update to v6.1.3

This commit is contained in:
Scott Larson
2021-01-08 13:31:36 -08:00
parent b0e9b132b5
commit f108ebdbaf
477 changed files with 98409 additions and 5320 deletions

View File

@@ -1,5 +1,7 @@
del tx.a
armasm -g --cpreproc --cpu=cortex-m7.fp.dp --apcs=/interwork tx_initialize_low_level.S
armasm -g --cpreproc --cpu=cortex-m7.fp.dp --apcs=/interwork ../module_manager/src/tx_thread_stack_build.S
armasm -g --cpreproc --cpu=cortex-m7.fp.dp --apcs=/interwork ../module_manager/src/tx_thread_schedule.S
armasm -g --cpreproc --cpu=cortex-m7.fp.dp --apcs=/interwork ../module_manager/src/tx_thread_system_return.S
@@ -9,6 +11,16 @@ armasm -g --cpreproc --cpu=cortex-m7.fp.dp --apcs=/interwork ../module_manager/s
armasm -g --cpreproc --cpu=cortex-m7.fp.dp --apcs=/interwork ../module_manager/src/tx_timer_interrupt.S
armasm -g --cpreproc --cpu=cortex-m7.fp.dp --apcs=/interwork ../module_manager/src/tx_thread_interrupt_disable.S
armasm -g --cpreproc --cpu=cortex-m7.fp.dp --apcs=/interwork ../module_manager/src/tx_thread_interrupt_restore.S
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../module_manager/src/txm_module_manager_alignment_adjust.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../module_manager/src/txm_module_manager_external_memory_enable.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../module_manager/src/txm_module_manager_memory_fault_handler.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../module_manager/src/txm_module_manager_memory_fault_notify.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../module_manager/src/txm_module_manager_mm_register_setup.c
armasm -g --cpreproc --cpu=cortex-m7.fp.dp --apcs=/interwork ../module_manager/src/txm_module_manager_thread_stack_build.S
armasm -g --cpreproc --cpu=cortex-m7.fp.dp --apcs=/interwork ../module_manager/src/txm_module_manager_user_mode_entry.S
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../../../common/src/tx_block_allocate.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../../../common/src/tx_block_pool_cleanup.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../../../common/src/tx_block_pool_create.c
@@ -133,6 +145,7 @@ armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../..
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../../../common/src/tx_trace_buffer_full_notify.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../../../common/src/tx_trace_event_filter.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../../../common/src/tx_trace_event_unfilter.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../../../common/src/txe_block_allocate.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../../../common/src/txe_block_pool_create.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../../../common/src/txe_block_pool_delete.c
@@ -193,6 +206,8 @@ armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../..
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../../../common/src/txe_timer_deactivate.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../../../common/src/txe_timer_delete.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common/inc ../../../../common/src/txe_timer_info_get.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../../../../common_modules/module_manager/src/txm_module_manager_absolute_load.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../../../../common_modules/module_manager/src/txm_module_manager_application_request.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../../../../common_modules/module_manager/src/txm_module_manager_callback_request.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../../../../common_modules/module_manager/src/txm_module_manager_event_flags_notify_trampoline.c
@@ -219,17 +234,10 @@ armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../../../../common_modules/module_manager/src/txm_module_manager_timer_notify_trampoline.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../../../../common_modules/module_manager/src/txm_module_manager_unload.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../../../../common_modules/module_manager/src/txm_module_manager_util.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../module_manager/src/txm_module_manager_alignment_adjust.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../module_manager/src/txm_module_manager_external_memory_enable.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../module_manager/src/txm_module_manager_memory_fault_handler.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../module_manager/src/txm_module_manager_memory_fault_notify.c
armcc -g -O0 --cpu=cortex-m7.fp.dp -c -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc ../module_manager/src/txm_module_manager_mm_register_setup.c
armasm -g --cpreproc --cpu=cortex-m7.fp.dp --apcs=/interwork ../module_manager/src/txm_module_manager_thread_stack_build.S
armasm -g --cpreproc --cpu=cortex-m7.fp.dp --apcs=/interwork ../module_manager/src/txm_module_manager_user_mode_entry.S
armar --create tx.a tx_thread_stack_build.o tx_thread_schedule.o tx_thread_system_return.o tx_thread_context_save.o tx_thread_context_restore.o tx_timer_interrupt.o tx_thread_interrupt_control.o tx_initialize_low_level.o tx_thread_interrupt_disable.o tx_thread_interrupt_restore.o tx_block_allocate.o tx_block_pool_cleanup.o tx_block_pool_create.o tx_block_pool_delete.o tx_block_pool_info_get.o tx_block_pool_initialize.o tx_block_pool_performance_info_get.o tx_block_pool_performance_system_info_get.o tx_block_pool_prioritize.o tx_block_release.o tx_byte_allocate.o tx_byte_pool_cleanup.o tx_byte_pool_create.o tx_byte_pool_delete.o tx_byte_pool_info_get.o tx_byte_pool_initialize.o tx_byte_pool_performance_info_get.o tx_byte_pool_performance_system_info_get.o tx_byte_pool_prioritize.o tx_byte_pool_search.o tx_byte_release.o tx_event_flags_cleanup.o tx_event_flags_create.o tx_event_flags_delete.o tx_event_flags_get.o tx_event_flags_info_get.o tx_event_flags_initialize.o tx_event_flags_performance_info_get.o
armar -r tx.a tx_event_flags_performance_system_info_get.o tx_event_flags_set.o tx_event_flags_set_notify.o tx_initialize_high_level.o tx_initialize_kernel_enter.o tx_initialize_kernel_setup.o tx_mutex_cleanup.o tx_mutex_create.o tx_mutex_delete.o tx_mutex_get.o tx_mutex_info_get.o tx_mutex_initialize.o tx_mutex_performance_info_get.o tx_mutex_performance_system_info_get.o tx_mutex_prioritize.o tx_mutex_priority_change.o tx_mutex_put.o tx_queue_cleanup.o tx_queue_create.o tx_queue_delete.o tx_queue_flush.o tx_queue_front_send.o tx_queue_info_get.o tx_queue_initialize.o tx_queue_performance_info_get.o tx_queue_performance_system_info_get.o tx_queue_prioritize.o tx_queue_receive.o tx_queue_send.o tx_queue_send_notify.o tx_semaphore_ceiling_put.o tx_semaphore_cleanup.o tx_semaphore_create.o tx_semaphore_delete.o tx_semaphore_get.o tx_semaphore_info_get.o tx_semaphore_initialize.o tx_semaphore_performance_info_get.o tx_semaphore_performance_system_info_get.o tx_semaphore_prioritize.o tx_semaphore_put.o
armar -r tx.a tx_semaphore_put_notify.o tx_thread_create.o tx_thread_delete.o tx_thread_entry_exit_notify.o tx_thread_identify.o tx_thread_info_get.o tx_thread_initialize.o tx_thread_performance_info_get.o tx_thread_performance_system_info_get.o tx_thread_preemption_change.o tx_thread_priority_change.o tx_thread_relinquish.o tx_thread_reset.o tx_thread_resume.o tx_thread_shell_entry.o tx_thread_sleep.o tx_thread_stack_analyze.o tx_thread_stack_error_handler.o tx_thread_stack_error_notify.o tx_thread_suspend.o tx_thread_system_preempt_check.o tx_thread_system_resume.o tx_thread_system_suspend.o tx_thread_terminate.o tx_thread_time_slice.o tx_thread_time_slice_change.o tx_thread_timeout.o tx_thread_wait_abort.o tx_time_get.o tx_time_set.o tx_timer_activate.o tx_timer_change.o tx_timer_create.o tx_timer_deactivate.o tx_timer_delete.o tx_timer_expiration_process.o tx_timer_info_get.o tx_timer_initialize.o tx_timer_performance_info_get.o tx_timer_performance_system_info_get.o tx_timer_system_activate.o
armar -r tx.a tx_timer_system_deactivate.o tx_timer_thread_entry.o tx_trace_enable.o tx_trace_disable.o tx_trace_initialize.o tx_trace_interrupt_control.o tx_trace_isr_enter_insert.o tx_trace_isr_exit_insert.o tx_trace_object_register.o tx_trace_object_unregister.o tx_trace_user_event_insert.o tx_trace_buffer_full_notify.o tx_trace_event_filter.o tx_trace_event_unfilter.o txe_block_allocate.o txe_block_pool_create.o txe_block_pool_delete.o txe_block_pool_info_get.o txe_block_pool_prioritize.o txe_block_release.o txe_byte_allocate.o txe_byte_pool_create.o txe_byte_pool_delete.o txe_byte_pool_info_get.o txe_byte_pool_prioritize.o txe_byte_release.o txe_event_flags_create.o txe_event_flags_delete.o txe_event_flags_get.o txe_event_flags_info_get.o txe_event_flags_set.o txe_event_flags_set_notify.o txe_mutex_create.o txe_mutex_delete.o txe_mutex_get.o txe_mutex_info_get.o txe_mutex_prioritize.o txe_mutex_put.o txe_queue_create.o txe_queue_delete.o txe_queue_flush.o txe_queue_front_send.o txe_queue_info_get.o
armar -r tx.a txe_queue_prioritize.o txe_queue_receive.o txe_queue_send.o txe_queue_send_notify.o txe_semaphore_ceiling_put.o txe_semaphore_create.o txe_semaphore_delete.o txe_semaphore_get.o txe_semaphore_info_get.o txe_semaphore_prioritize.o txe_semaphore_put.o txe_semaphore_put_notify.o txe_thread_create.o txe_thread_delete.o txe_thread_entry_exit_notify.o txe_thread_info_get.o txe_thread_preemption_change.o txe_thread_priority_change.o txe_thread_relinquish.o txe_thread_reset.o txe_thread_resume.o txe_thread_suspend.o txe_thread_terminate.o txe_thread_time_slice_change.o txe_thread_wait_abort.o txe_timer_activate.o txe_timer_change.o txe_timer_create.o txe_timer_deactivate.o txe_timer_delete.o txe_timer_info_get.o txm_module_manager_alignment_adjust.o txm_module_manager_application_request.o txm_module_manager_callback_request.o txm_module_manager_event_flags_notify_trampoline.o txm_module_manager_external_memory_enable.o txm_module_manager_file_load.o txm_module_manager_in_place_load.o
armar -r tx.a txm_module_manager_initialize.o txm_module_manager_kernel_dispatch.o txm_module_manager_maximum_module_priority_set.o txm_module_manager_memory_fault_handler.o txm_module_manager_memory_fault_notify.o txm_module_manager_memory_load.o txm_module_manager_object_pointer_get.o txm_module_manager_object_pool_create.o txm_module_manager_queue_notify_trampoline.o txm_module_manager_semaphore_notify_trampoline.o txm_module_manager_mm_register_setup.o txm_module_manager_start.o txm_module_manager_stop.o txm_module_manager_thread_create.o txm_module_manager_thread_notify_trampoline.o txm_module_manager_thread_reset.o txm_module_manager_timer_notify_trampoline.o txm_module_manager_unload.o txm_module_manager_thread_stack_build.o txm_module_manager_internal_load.o txm_module_manager_object_allocate.o txm_module_manager_object_deallocate.o txm_module_manager_object_pointer_get_extended.o txm_module_manager_properties_get.o txm_module_manager_util.o txm_module_manager_user_mode_entry.o
armar -r tx.a txm_module_manager_initialize.o txm_module_manager_kernel_dispatch.o txm_module_manager_maximum_module_priority_set.o txm_module_manager_memory_fault_handler.o txm_module_manager_memory_fault_notify.o txm_module_manager_memory_load.o txm_module_manager_object_pointer_get.o txm_module_manager_object_pool_create.o txm_module_manager_queue_notify_trampoline.o txm_module_manager_semaphore_notify_trampoline.o txm_module_manager_mm_register_setup.o txm_module_manager_start.o txm_module_manager_stop.o txm_module_manager_thread_create.o txm_module_manager_thread_notify_trampoline.o txm_module_manager_thread_reset.o txm_module_manager_timer_notify_trampoline.o txm_module_manager_unload.o txm_module_manager_thread_stack_build.o txm_module_manager_internal_load.o txm_module_manager_object_allocate.o txm_module_manager_object_deallocate.o txm_module_manager_object_pointer_get_extended.o txm_module_manager_properties_get.o txm_module_manager_util.o txm_module_manager_user_mode_entry.o txm_module_manager_absolute_load.o

View File

@@ -1,4 +1,4 @@
armasm -g --cpu=cortex-m7.fp.dp --apcs=/interwork tx_initialize_low_level.S
armasm -g --cpreproc --cpu=cortex-m7.fp.dp --apcs=/interwork tx_initialize_low_level.S
armcc -c -g --cpu=cortex-m7.fp.dp -O2 -I../inc -I../../../../common_modules/inc -I../../../../common_modules/module_manager/inc -I../../../../common/inc sample_threadx.c
armlink -d -o sample_threadx.axf --elf --map --ro-base=0x00000000 --rw-base=0x20000000 --first __tx_vectors --datacompressor=off --inline --info=inline --callgraph --list sample_threadx.map tx_initialize_low_level.o sample_threadx.o tx.a

View File

@@ -55,8 +55,6 @@
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.arm.tool.c.compiler.v6.base.option.incpath.1498096289" name="Include path (-I)" superClass="com.arm.tool.c.compiler.v6.base.option.incpath" useByScannerDiscovery="false" valueType="includePath">
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/tx}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/tx/inc_generic}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/tx/inc_port}&quot;"/>
@@ -89,11 +87,7 @@
<option id="com.arm.tool.assembler.v6.base.options.debug.level.429021326" name="Debug Level" superClass="com.arm.tool.assembler.v6.base.options.debug.level" useByScannerDiscovery="false" value="com.arm.tool.assembler.v6.base.options.debug.level.std" valueType="enumerated"/>
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.arm.tool.assembler.v6.base.option.incpath.2094427773" name="Include path (-I)" superClass="com.arm.tool.assembler.v6.base.option.incpath" valueType="includePath">
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/tx}&quot;"/>
</option>
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="true" id="com.arm.tool.assembler.v6.base.option.incpath.2094427773" name="Include path (-I)" superClass="com.arm.tool.assembler.v6.base.option.incpath" valueType="includePath"/>
<inputType id="com.arm.tool.assembler.v6.base.input.1024953339" superClass="com.arm.tool.assembler.v6.base.input"/>
@@ -133,23 +127,7 @@
</storageModule>
<storageModule moduleId="org.eclipse.cdt.core.externalSettings">
<externalSettings containerId="tx;" factoryId="org.eclipse.cdt.core.cfg.export.settings.sipplier">
<externalSetting>
<entry flags="VALUE_WORKSPACE_PATH" kind="includePath" name="/tx"/>
<entry flags="VALUE_WORKSPACE_PATH" kind="libraryPath" name="/tx/Debug"/>
<entry flags="RESOLVED" kind="libraryFile" name="tx" srcPrefixMapping="" srcRootPath=""/>
</externalSetting>
</externalSettings>
</storageModule>
<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
</cconfiguration>

View File

@@ -3,7 +3,6 @@
<name>sample_threadx</name>
<comment></comment>
<projects>
<project>tx</project>
</projects>
<buildSpec>
<buildCommand>

View File

@@ -57,10 +57,6 @@
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.arm.tool.c.compiler.v6.base.option.incpath.1498096289" name="Include path (-I)" superClass="com.arm.tool.c.compiler.v6.base.option.incpath" useByScannerDiscovery="false" valueType="includePath">
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/tx}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/txm}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/tx/inc_generic}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/tx/inc_generic_modules}&quot;"/>
@@ -115,13 +111,7 @@
<option id="com.arm.tool.assembler.v6.base.useMicroLib.555616131" name="Use microlib (-D__MICROLIB)" superClass="com.arm.tool.assembler.v6.base.useMicroLib" useByScannerDiscovery="false" value="false" valueType="boolean"/>
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.arm.tool.assembler.v6.base.option.incpath.1292905054" name="Include path (-I)" superClass="com.arm.tool.assembler.v6.base.option.incpath" valueType="includePath">
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/tx}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/txm}&quot;"/>
</option>
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="true" id="com.arm.tool.assembler.v6.base.option.incpath.1292905054" name="Include path (-I)" superClass="com.arm.tool.assembler.v6.base.option.incpath" valueType="includePath"/>
<inputType id="com.arm.tool.assembler.v6.base.input.1024953339" superClass="com.arm.tool.assembler.v6.base.input"/>
@@ -185,29 +175,7 @@
</storageModule>
<storageModule moduleId="org.eclipse.cdt.core.externalSettings">
<externalSettings containerId="txm;" factoryId="org.eclipse.cdt.core.cfg.export.settings.sipplier">
<externalSetting>
<entry flags="VALUE_WORKSPACE_PATH" kind="includePath" name="/tx"/>
<entry flags="VALUE_WORKSPACE_PATH" kind="includePath" name="/txm"/>
<entry flags="VALUE_WORKSPACE_PATH" kind="libraryPath" name="/tx/Debug"/>
<entry flags="VALUE_WORKSPACE_PATH" kind="libraryPath" name="/txm/Debug"/>
<entry flags="RESOLVED" kind="libraryFile" name="tx" srcPrefixMapping="" srcRootPath=""/>
<entry flags="RESOLVED" kind="libraryFile" name="txm" srcPrefixMapping="" srcRootPath=""/>
</externalSetting>
</externalSettings>
</storageModule>
<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
</cconfiguration>

View File

@@ -3,7 +3,6 @@
<name>sample_threadx_module</name>
<comment></comment>
<projects>
<project>txm</project>
</projects>
<buildSpec>
<buildCommand>

View File

@@ -55,8 +55,6 @@
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.arm.tool.c.compiler.v6.base.option.incpath.1498096289" name="Include path (-I)" superClass="com.arm.tool.c.compiler.v6.base.option.incpath" useByScannerDiscovery="false" valueType="includePath">
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/tx}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/tx/inc_generic}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/tx/inc_generic_modules}&quot;"/>
@@ -91,11 +89,7 @@
<option id="com.arm.tool.assembler.v6.base.options.debug.level.429021326" name="Debug Level" superClass="com.arm.tool.assembler.v6.base.options.debug.level" useByScannerDiscovery="false" value="com.arm.tool.assembler.v6.base.options.debug.level.std" valueType="enumerated"/>
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.arm.tool.assembler.v6.base.option.incpath.1361570371" name="Include path (-I)" superClass="com.arm.tool.assembler.v6.base.option.incpath" valueType="includePath">
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/tx}&quot;"/>
</option>
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="true" id="com.arm.tool.assembler.v6.base.option.incpath.1361570371" name="Include path (-I)" superClass="com.arm.tool.assembler.v6.base.option.incpath" valueType="includePath"/>
<inputType id="com.arm.tool.assembler.v6.base.input.1024953339" superClass="com.arm.tool.assembler.v6.base.input"/>
@@ -135,25 +129,7 @@
</storageModule>
<storageModule moduleId="org.eclipse.cdt.core.externalSettings">
<externalSettings containerId="sample_threadx_module;" factoryId="org.eclipse.cdt.core.cfg.export.settings.sipplier"/>
<externalSettings containerId="tx;" factoryId="org.eclipse.cdt.core.cfg.export.settings.sipplier">
<externalSetting>
<entry flags="VALUE_WORKSPACE_PATH" kind="includePath" name="/tx"/>
<entry flags="VALUE_WORKSPACE_PATH" kind="libraryPath" name="/tx/Debug"/>
<entry flags="RESOLVED" kind="libraryFile" name="tx" srcPrefixMapping="" srcRootPath=""/>
</externalSetting>
</externalSettings>
</storageModule>
<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
</cconfiguration>

View File

@@ -3,8 +3,6 @@
<name>sample_threadx_module_manager</name>
<comment></comment>
<projects>
<project>sample_threadx_module</project>
<project>tx</project>
</projects>
<buildSpec>
<buildCommand>

View File

@@ -1,3 +0,0 @@
wait
load ..\sample_threadx_module\Debug\sample_threadx_module.axf
wait

View File

@@ -1,3 +0,0 @@
wait
add-symbol-file ..\sample_threadx_module\Debug\sample_threadx_module.axf
wait

View File

@@ -1,5 +1,7 @@
del tx.a
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb tx_initialize_low_level.S
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb ..\module_manager\src\tx_thread_stack_build.S
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb ..\module_manager\src\tx_thread_schedule.S
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb ..\module_manager\src\tx_thread_system_return.S
@@ -9,6 +11,12 @@ arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb ..\module_manager\src\tx_timer_interrupt.S
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb ..\module_manager\src\txm_module_manager_thread_stack_build.S
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\module_manager\src\txm_module_manager_alignment_adjust.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\module_manager\src\txm_module_manager_external_memory_enable.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\module_manager\src\txm_module_manager_memory_fault_handler.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\module_manager\src\txm_module_manager_mm_register_setup.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\module_manager\src\txm_module_manager_memory_fault_notify.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc ..\..\..\..\common\src\tx_block_allocate.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc ..\..\..\..\common\src\tx_block_pool_cleanup.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc ..\..\..\..\common\src\tx_block_pool_create.c
@@ -194,19 +202,16 @@ arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc ..\..\..\..\common\src\txe_timer_delete.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc ..\..\..\..\common\src\txe_timer_info_get.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\module_manager\src\txm_module_manager_alignment_adjust.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_absolute_load.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_application_request.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_callback_request.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_event_flags_notify_trampoline.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\module_manager\src\txm_module_manager_external_memory_enable.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_file_load.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_in_place_load.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_internal_load.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_initialize.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_kernel_dispatch.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_maximum_module_priority_set.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\module_manager\src\txm_module_manager_memory_fault_handler.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\module_manager\src\txm_module_manager_memory_fault_notify.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_memory_load.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_object_allocate.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_object_deallocate.c
@@ -216,7 +221,6 @@ arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_properties_get.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_queue_notify_trampoline.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_semaphore_notify_trampoline.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\module_manager\src\txm_module_manager_mm_register_setup.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_start.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_stop.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc -I..\..\..\..\common_modules\module_manager\inc ..\..\..\..\common_modules\module_manager\src\txm_module_manager_thread_create.c
@@ -252,6 +256,7 @@ arm-none-eabi-ar -r tx.a tx_timer_info_get.o tx_timer_initialize.o tx_timer_perf
arm-none-eabi-ar -r tx.a tx_timer_system_deactivate.o tx_timer_thread_entry.o tx_trace_enable.o tx_trace_disable.o tx_trace_initialize.o tx_trace_interrupt_control.o
arm-none-eabi-ar -r tx.a tx_trace_isr_enter_insert.o tx_trace_isr_exit_insert.o tx_trace_object_register.o tx_trace_object_unregister.o tx_trace_user_event_insert.o
arm-none-eabi-ar -r tx.a tx_trace_buffer_full_notify.o tx_trace_event_filter.o tx_trace_event_unfilter.o
arm-none-eabi-ar -r tx.a txe_block_allocate.o txe_block_pool_create.o txe_block_pool_delete.o txe_block_pool_info_get.o txe_block_pool_prioritize.o txe_block_release.o
arm-none-eabi-ar -r tx.a txe_byte_allocate.o txe_byte_pool_create.o txe_byte_pool_delete.o txe_byte_pool_info_get.o txe_byte_pool_prioritize.o txe_byte_release.o
arm-none-eabi-ar -r tx.a txe_event_flags_create.o txe_event_flags_delete.o txe_event_flags_get.o txe_event_flags_info_get.o txe_event_flags_set.o
@@ -265,16 +270,11 @@ arm-none-eabi-ar -r tx.a txe_thread_wait_abort.o txe_timer_activate.o txe_timer_
arm-none-eabi-ar -r tx.a txm_module_manager_alignment_adjust.o txm_module_manager_application_request.o txm_module_manager_callback_request.o
arm-none-eabi-ar -r tx.a txm_module_manager_event_flags_notify_trampoline.o txm_module_manager_external_memory_enable.o txm_module_manager_file_load.o
arm-none-eabi-ar -r tx.a txm_module_manager_in_place_load.o txm_module_manager_initialize.o
arm-none-eabi-ar -r tx.a txm_module_manager_absolute_load.o txm_module_manager_in_place_load.o txm_module_manager_initialize.o txm_module_manager_internal_load.o
arm-none-eabi-ar -r tx.a txm_module_manager_kernel_dispatch.o txm_module_manager_maximum_module_priority_set.o txm_module_manager_memory_fault_handler.o
arm-none-eabi-ar -r tx.a txm_module_manager_memory_fault_notify.o txm_module_manager_memory_load.o txm_module_manager_object_pointer_get.o
arm-none-eabi-ar -r tx.a txm_module_manager_object_pool_create.o txm_module_manager_queue_notify_trampoline.o txm_module_manager_semaphore_notify_trampoline.o
arm-none-eabi-ar -r tx.a txm_module_manager_mm_register_setup.o txm_module_manager_start.o txm_module_manager_stop.o
arm-none-eabi-ar -r tx.a txm_module_manager_thread_create.o txm_module_manager_thread_notify_trampoline.o txm_module_manager_thread_reset.o
arm-none-eabi-ar -r tx.a txm_module_manager_timer_notify_trampoline.o txm_module_manager_unload.o txm_module_manager_thread_stack_build.o
arm-none-eabi-ar -r tx.a txm_module_manager_internal_load.o
arm-none-eabi-ar -r tx.a txm_module_manager_object_allocate.o
arm-none-eabi-ar -r tx.a txm_module_manager_object_deallocate.o
arm-none-eabi-ar -r tx.a txm_module_manager_object_pointer_get_extended.o
arm-none-eabi-ar -r tx.a txm_module_manager_properties_get.o
arm-none-eabi-ar -r tx.a txm_module_manager_util.o
arm-none-eabi-ar -r tx.a txm_module_manager_object_allocate.o txm_module_manager_object_deallocate.o txm_module_manager_object_pointer_get_extended.o txm_module_manager_properties_get.o txm_module_manager_util.o

View File

@@ -1,5 +1,7 @@
del txm.a
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -fpic -fno-plt -mpic-data-is-text-relative -msingle-pic-base -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc ..\module_lib\src\txm_module_thread_shell_entry.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -fpic -fno-plt -mpic-data-is-text-relative -msingle-pic-base -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc ..\..\..\..\common_modules\module_lib\src\txm_block_allocate.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -fpic -fno-plt -mpic-data-is-text-relative -msingle-pic-base -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc ..\..\..\..\common_modules\module_lib\src\txm_block_pool_create.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -fpic -fno-plt -mpic-data-is-text-relative -msingle-pic-base -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc ..\..\..\..\common_modules\module_lib\src\txm_block_pool_delete.c
@@ -29,7 +31,6 @@ arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -fpic -fno-plt -mpic-data-is-text-relative -msingle-pic-base -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc ..\..\..\..\common_modules\module_lib\src\txm_module_object_allocate.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -fpic -fno-plt -mpic-data-is-text-relative -msingle-pic-base -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc ..\..\..\..\common_modules\module_lib\src\txm_module_object_deallocate.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -fpic -fno-plt -mpic-data-is-text-relative -msingle-pic-base -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc ..\..\..\..\common_modules\module_lib\src\txm_module_object_pointer_get.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -fpic -fno-plt -mpic-data-is-text-relative -msingle-pic-base -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc ..\module_lib\src\txm_module_thread_shell_entry.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -fpic -fno-plt -mpic-data-is-text-relative -msingle-pic-base -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc ..\..\..\..\common_modules\module_lib\src\txm_module_thread_system_suspend.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -fpic -fno-plt -mpic-data-is-text-relative -msingle-pic-base -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc ..\..\..\..\common_modules\module_lib\src\txm_mutex_create.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -fpic -fno-plt -mpic-data-is-text-relative -msingle-pic-base -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc ..\..\..\..\common_modules\module_lib\src\txm_mutex_delete.c
@@ -98,21 +99,6 @@ arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -fpic -fno-plt -mpic-data-is-text-relative -msingle-pic-base -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc ..\..\..\..\common_modules\module_lib\src\txm_trace_isr_exit_insert.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -fpic -fno-plt -mpic-data-is-text-relative -msingle-pic-base -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc ..\..\..\..\common_modules\module_lib\src\txm_trace_user_event_insert.c
arm-none-eabi-ar -r txm.a txm_block_allocate.o txm_block_pool_create.o txm_block_pool_delete.o txm_block_pool_info_get.o txm_block_pool_performance_info_get.o txm_block_pool_performance_system_info_get.o
arm-none-eabi-ar -r txm.a txm_block_pool_prioritize.o txm_block_release.o
arm-none-eabi-ar -r txm.a txm_byte_allocate.o txm_byte_pool_create.o txm_byte_pool_delete.o txm_byte_pool_info_get.o txm_byte_pool_performance_info_get.o txm_byte_pool_performance_system_info_get.o
arm-none-eabi-ar -r txm.a txm_byte_pool_prioritize.o txm_byte_release.o
arm-none-eabi-ar -r txm.a txm_event_flags_create.o txm_event_flags_delete.o txm_event_flags_get.o txm_event_flags_info_get.o txm_event_flags_performance_info_get.o txm_event_flags_performance_system_info_get.o
arm-none-eabi-ar -r txm.a txm_event_flags_set.o txm_event_flags_set_notify.o
arm-none-eabi-ar -r txm.a txm_module_application_request.o txm_module_callback_request_thread_entry.o txm_module_object_allocate.o txm_module_object_deallocate.o txm_module_object_pointer_get.o txm_module_thread_shell_entry.o txm_module_thread_system_suspend.o
arm-none-eabi-ar -r txm.a txm_mutex_create.o txm_mutex_delete.o txm_mutex_get.o txm_mutex_info_get.o txm_mutex_performance_info_get.o txm_mutex_performance_system_info_get.o txm_mutex_prioritize.o txm_mutex_put.o
arm-none-eabi-ar -r txm.a txm_queue_create.o txm_queue_delete.o txm_queue_flush.o txm_queue_front_send.o txm_queue_info_get.o txm_queue_performance_info_get.o txm_queue_performance_system_info_get.o
arm-none-eabi-ar -r txm.a txm_queue_prioritize.o txm_queue_receive.o txm_queue_send.o txm_queue_send_notify.o
arm-none-eabi-ar -r txm.a txm_semaphore_ceiling_put.o txm_semaphore_create.o txm_semaphore_delete.o txm_semaphore_get.o txm_semaphore_info_get.o txm_semaphore_performance_info_get.o txm_semaphore_performance_system_info_get.o
arm-none-eabi-ar -r txm.a txm_semaphore_prioritize.o txm_semaphore_put.o txm_semaphore_put_notify.o
arm-none-eabi-ar -r txm.a txm_thread_create.o txm_thread_delete.o txm_thread_entry_exit_notify.o txm_thread_identify.o txm_thread_info_get.o txm_thread_interrupt_control.o txm_thread_performance_info_get.o
arm-none-eabi-ar -r txm.a txm_thread_performance_system_info_get.o txm_thread_preemption_change.o txm_thread_priority_change.o txm_thread_relinquish.o txm_thread_reset.o txm_thread_resume.o
arm-none-eabi-ar -r txm.a txm_thread_sleep.o txm_thread_stack_error_notify.o txm_thread_suspend.o txm_thread_terminate.o txm_thread_time_slice_change.o txm_thread_wait_abort.o
arm-none-eabi-ar -r txm.a txm_time_get.o txm_time_set.o
arm-none-eabi-ar -r txm.a txm_timer_activate.o txm_timer_change.o txm_timer_create.o txm_timer_deactivate.o txm_timer_delete.o txm_timer_info_get.o txm_timer_performance_info_get.o txm_timer_performance_system_info_get.o
arm-none-eabi-ar -r txm.a txm_trace_buffer_full_notify.o txm_trace_disable.o txm_trace_enable.o txm_trace_event_filter.o txm_trace_event_unfilter.o txm_trace_isr_enter_insert.o txm_trace_isr_exit_insert.o txm_trace_user_event_insert.o
arm-none-eabi-ar -r txm.a txm_block_allocate.o txm_block_pool_create.o txm_block_pool_delete.o txm_block_pool_info_get.o txm_block_pool_performance_info_get.o txm_block_pool_performance_system_info_get.o txm_block_pool_prioritize.o txm_block_release.o txm_byte_allocate.o txm_byte_pool_create.o txm_byte_pool_delete.o txm_byte_pool_info_get.o txm_byte_pool_performance_info_get.o txm_byte_pool_performance_system_info_get.o txm_byte_pool_prioritize.o txm_byte_release.o txm_event_flags_create.o txm_event_flags_delete.o txm_event_flags_get.o txm_event_flags_info_get.o txm_event_flags_performance_info_get.o txm_event_flags_performance_system_info_get.o txm_event_flags_set.o txm_event_flags_set_notify.o txm_thread_create.o txm_thread_delete.o txm_thread_entry_exit_notify.o txm_thread_identify.o txm_thread_info_get.o txm_thread_interrupt_control.o txm_thread_performance_info_get.o txm_time_get.o txm_time_set.o
arm-none-eabi-ar -r txm.a txm_module_application_request.o txm_module_callback_request_thread_entry.o txm_module_object_allocate.o txm_module_object_deallocate.o txm_module_object_pointer_get.o txm_module_thread_shell_entry.o txm_module_thread_system_suspend.o txm_mutex_create.o txm_mutex_delete.o txm_mutex_get.o txm_mutex_info_get.o txm_mutex_performance_info_get.o txm_mutex_performance_system_info_get.o txm_mutex_prioritize.o txm_mutex_put.o txm_queue_create.o txm_queue_delete.o txm_queue_flush.o txm_queue_front_send.o txm_queue_info_get.o txm_queue_performance_info_get.o txm_queue_performance_system_info_get.o txm_queue_prioritize.o txm_queue_receive.o txm_queue_send.o txm_queue_send_notify.o txm_semaphore_ceiling_put.o txm_semaphore_create.o txm_semaphore_delete.o txm_semaphore_get.o txm_semaphore_info_get.o txm_semaphore_performance_info_get.o txm_semaphore_performance_system_info_get.o txm_semaphore_prioritize.o txm_semaphore_put.o txm_semaphore_put_notify.o
arm-none-eabi-ar -r txm.a txm_thread_performance_system_info_get.o txm_thread_preemption_change.o txm_thread_priority_change.o txm_thread_relinquish.o txm_thread_reset.o txm_thread_resume.o txm_thread_sleep.o txm_thread_stack_error_notify.o txm_thread_suspend.o txm_thread_terminate.o txm_thread_time_slice_change.o txm_thread_wait_abort.o txm_timer_activate.o txm_timer_change.o txm_timer_create.o txm_timer_deactivate.o txm_timer_delete.o txm_timer_info_get.o txm_timer_performance_info_get.o txm_timer_performance_system_info_get.o txm_trace_buffer_full_notify.o txm_trace_disable.o txm_trace_enable.o txm_trace_event_filter.o txm_trace_event_unfilter.o txm_trace_isr_enter_insert.o txm_trace_isr_exit_insert.o txm_trace_user_event_insert.o

View File

@@ -1,4 +1,4 @@
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc -I..\..\..\..\common_modules\inc sample_threadx_module_manager.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb tx_simulator_startup.S
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb cortexm_crt0.S
arm-none-eabi-ld -A cortex-m7 -ereset_handler -T sample_threadx.ld tx_simulator_startup.o cortexm_crt0.o sample_threadx_module_manager.o tx.a libc.a -o sample_threadx_module_manager.axf -M > sample_threadx_module_manager.map
arm-none-eabi-gcc -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -nostartfiles -ereset_handler -T sample_threadx.ld tx_simulator_startup.o cortexm_crt0.o sample_threadx_module_manager.o tx.a -o sample_threadx_module_manager.axf -Wl,-Map=sample_threadx_module_manager.map

View File

@@ -0,0 +1,4 @@
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -I..\inc -I..\..\..\..\common\inc sample_threadx.c
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb tx_simulator_startup.S
arm-none-eabi-gcc -c -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb cortexm_crt0.S
arm-none-eabi-gcc -g -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -mthumb -nostartfiles -ereset_handler -T sample_threadx.ld tx_simulator_startup.o cortexm_crt0.o sample_threadx.o tx.a -lc -o sample_threadx.axf -Wl,-Map=sample_threadx.map

View File

@@ -66,7 +66,7 @@
</option>
<option>
<name>OGLastSavedByProductVersion</name>
<state>8.50.4.26131</state>
<state>8.50.9.33458</state>
</option>
<option>
<name>GeneralEnableMisra</name>
@@ -481,7 +481,7 @@
<name>AARM</name>
<archiveVersion>2</archiveVersion>
<data>
<version>10</version>
<version>11</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
@@ -637,6 +637,10 @@
<name>AsmNoLiteralPool</name>
<state>0</state>
</option>
<option>
<name>PreInclude</name>
<state></state>
</option>
</data>
</settings>
<settings>
@@ -1050,7 +1054,7 @@
</option>
<option>
<name>IarchiveOutput</name>
<state></state>
<state>C:\Users\andrejm\work\git\AzureRTOS\threadx\ports_module\cortex-m7\iar\example_build\Debug\Exe\tx.a</state>
</option>
</data>
</settings>
@@ -1541,7 +1545,7 @@
<name>AARM</name>
<archiveVersion>2</archiveVersion>
<data>
<version>10</version>
<version>11</version>
<wantNonLocal>1</wantNonLocal>
<debug>0</debug>
<option>
@@ -1697,6 +1701,10 @@
<name>AsmNoLiteralPool</name>
<state>0</state>
</option>
<option>
<name>PreInclude</name>
<state></state>
</option>
</data>
</settings>
<settings>
@@ -2766,6 +2774,9 @@
<file>
<name>$PROJ_DIR$\..\..\..\..\common\src\txe_timer_info_get.c</name>
</file>
<file>
<name>$PROJ_DIR$\..\..\..\..\common_modules\module_manager\src\txm_module_manager_absolute_load.c</name>
</file>
<file>
<name>$PROJ_DIR$\..\module_manager\src\txm_module_manager_alignment_adjust.c</name>
</file>

View File

@@ -0,0 +1,174 @@
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View File

@@ -0,0 +1,26 @@
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View File

@@ -0,0 +1,561 @@
/*
* GICv3.h - data types and function prototypes for GICv3 utility routines
*
* Copyright (c) 2014-2017 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#ifndef GICV3_h
#define GICV3_h
#include <stdint.h>
/*
* extra flags for GICD enable
*/
typedef enum
{
gicdctlr_EnableGrp0 = (1 << 0),
gicdctlr_EnableGrp1NS = (1 << 1),
gicdctlr_EnableGrp1A = (1 << 1),
gicdctlr_EnableGrp1S = (1 << 2),
gicdctlr_EnableAll = (1 << 2) | (1 << 1) | (1 << 0),
gicdctlr_ARE_S = (1 << 4), /* Enable Secure state affinity routing */
gicdctlr_ARE_NS = (1 << 5), /* Enable Non-Secure state affinity routing */
gicdctlr_DS = (1 << 6), /* Disable Security support */
gicdctlr_E1NWF = (1 << 7) /* Enable "1-of-N" wakeup model */
} GICDCTLRFlags_t;
/*
* modes for SPI routing
*/
typedef enum
{
gicdirouter_ModeSpecific = 0,
gicdirouter_ModeAny = (1 << 31)
} GICDIROUTERBits_t;
typedef enum
{
gicdicfgr_Level = 0,
gicdicfgr_Edge = (1 << 1)
} GICDICFGRBits_t;
typedef enum
{
gicigroupr_G0S = 0,
gicigroupr_G1NS = (1 << 0),
gicigroupr_G1S = (1 << 2)
} GICIGROUPRBits_t;
typedef enum
{
gicrwaker_ProcessorSleep = (1 << 1),
gicrwaker_ChildrenAsleep = (1 << 2)
} GICRWAKERBits_t;
/**********************************************************************/
/*
* Utility macros & functions
*/
#define RANGE_LIMIT(x) ((sizeof(x) / sizeof((x)[0])) - 1)
static inline uint64_t gicv3PackAffinity(uint32_t aff3, uint32_t aff2,
uint32_t aff1, uint32_t aff0)
{
/*
* only need to cast aff3 to get type promotion for all affinities
*/
return ((((uint64_t)aff3 & 0xff) << 32) |
((aff2 & 0xff) << 16) |
((aff1 & 0xff) << 8) | aff0);
}
/**********************************************************************/
/*
* GIC Distributor Function Prototypes
*/
/*
* ConfigGICD - configure GIC Distributor prior to enabling it
*
* Inputs:
*
* control - control flags
*
* Returns:
*
* <nothing>
*
* NOTE:
*
* ConfigGICD() will set an absolute flags value, whereas
* {En,Dis}ableGICD() will only {set,clear} the flag bits
* passed as a parameter
*/
void ConfigGICD(GICDCTLRFlags_t flags);
/*
* EnableGICD - top-level enable for GIC Distributor
*
* Inputs:
*
* flags - new control flags to set
*
* Returns:
*
* <nothing>
*
* NOTE:
*
* ConfigGICD() will set an absolute flags value, whereas
* {En,Dis}ableGICD() will only {set,clear} the flag bits
* passed as a parameter
*/
void EnableGICD(GICDCTLRFlags_t flags);
/*
* DisableGICD - top-level disable for GIC Distributor
*
* Inputs
*
* flags - control flags to clear
*
* Returns
*
* <nothing>
*
* NOTE:
*
* ConfigGICD() will set an absolute flags value, whereas
* {En,Dis}ableGICD() will only {set,clear} the flag bits
* passed as a parameter
*/
void DisableGICD(GICDCTLRFlags_t flags);
/*
* SyncAREinGICD - synchronise GICD Address Routing Enable bits
*
* Inputs
*
* flags - absolute flag bits to set in GIC Distributor
*
* dosync - flag whether to wait for ARE bits to match passed
* flag field (dosync = true), or whether to set absolute
* flag bits (dosync = false)
*
* Returns
*
* <nothing>
*
* NOTE:
*
* This function is used to resolve a race in an MP system whereby secondary
* CPUs cannot reliably program all Redistributor registers until the
* primary CPU has enabled Address Routing. The primary CPU will call this
* function with dosync = false, while the secondaries will call it with
* dosync = true.
*/
void SyncAREinGICD(GICDCTLRFlags_t flags, uint32_t dosync);
/*
* EnableSPI - enable a specific shared peripheral interrupt
*
* Inputs:
*
* id - which interrupt to enable
*
* Returns:
*
* <nothing>
*/
void EnableSPI(uint32_t id);
/*
* DisableSPI - disable a specific shared peripheral interrupt
*
* Inputs:
*
* id - which interrupt to disable
*
* Returns:
*
* <nothing>
*/
void DisableSPI(uint32_t id);
/*
* SetSPIPriority - configure the priority for a shared peripheral interrupt
*
* Inputs:
*
* id - interrupt identifier
*
* priority - 8-bit priority to program (see note below)
*
* Returns:
*
* <nothing>
*
* Note:
*
* The GICv3 architecture makes this function sensitive to the Security
* context in terms of what effect it has on the programmed priority: no
* attempt is made to adjust for the reduced priority range available
* when making Non-Secure accesses to the GIC
*/
void SetSPIPriority(uint32_t id, uint32_t priority);
/*
* GetSPIPriority - determine the priority for a shared peripheral interrupt
*
* Inputs:
*
* id - interrupt identifier
*
* Returns:
*
* interrupt priority in the range 0 - 0xff
*/
uint32_t GetSPIPriority(uint32_t id);
/*
* SetSPIRoute - specify interrupt routing when gicdctlr_ARE is enabled
*
* Inputs:
*
* id - interrupt identifier
*
* affinity - prepacked "dotted quad" affinity routing. NOTE: use the
* gicv3PackAffinity() helper routine to generate this input
*
* mode - select routing mode (specific affinity, or any recipient)
*
* Returns:
*
* <nothing>
*/
void SetSPIRoute(uint32_t id, uint64_t affinity, GICDIROUTERBits_t mode);
/*
* GetSPIRoute - read ARE-enabled interrupt routing information
*
* Inputs:
*
* id - interrupt identifier
*
* Returns:
*
* routing configuration
*/
uint64_t GetSPIRoute(uint32_t id);
/*
* SetSPITarget - configure the set of processor targets for an interrupt
*
* Inputs
*
* id - interrupt identifier
*
* target - 8-bit target bitmap
*
* Returns
*
* <nothing>
*/
void SetSPITarget(uint32_t id, uint32_t target);
/*
* GetSPITarget - read the set of processor targets for an interrupt
*
* Inputs
*
* id - interrupt identifier
*
* Returns
*
* 8-bit target bitmap
*/
uint32_t GetSPITarget(uint32_t id);
/*
* ConfigureSPI - setup an interrupt as edge- or level-triggered
*
* Inputs
*
* id - interrupt identifier
*
* config - desired configuration
*
* Returns
*
* <nothing>
*/
void ConfigureSPI(uint32_t id, GICDICFGRBits_t config);
/*
* SetSPIPending - mark an interrupt as pending
*
* Inputs
*
* id - interrupt identifier
*
* Returns
*
* <nothing>
*/
void SetSPIPending(uint32_t id);
/*
* ClearSPIPending - mark an interrupt as not pending
*
* Inputs
*
* id - interrupt identifier
*
* Returns
*
* <nothing>
*/
void ClearSPIPending(uint32_t id);
/*
* GetSPIPending - query whether an interrupt is pending
*
* Inputs
*
* id - interrupt identifier
*
* Returns
*
* pending status
*/
uint32_t GetSPIPending(uint32_t id);
/*
* SetSPISecurity - mark a shared peripheral interrupt as
* security <group>
*
* Inputs
*
* id - which interrupt to mark
*
* group - the group for the interrupt
*
* Returns
*
* <nothing>
*/
void SetSPISecurity(uint32_t id, GICIGROUPRBits_t group);
/*
* SetSPISecurityBlock - mark a block of 32 shared peripheral
* interrupts as security <group>
*
* Inputs:
*
* block - which block to mark (e.g. 1 = Ints 32-63)
*
* group - the group for the interrupts
*
* Returns:
*
* <nothing>
*/
void SetSPISecurityBlock(uint32_t block, GICIGROUPRBits_t group);
/*
* SetSPISecurityAll - mark all shared peripheral interrupts
* as security <group>
*
* Inputs:
*
* group - the group for the interrupts
*
* Returns:
*
* <nothing>
*/
void SetSPISecurityAll(GICIGROUPRBits_t group);
/**********************************************************************/
/*
* GIC Re-Distributor Function Prototypes
*
* The model for calling Redistributor functions is that, rather than
* identifying the target redistributor with every function call, the
* SelectRedistributor() function is used to identify which redistributor
* is to be used for all functions until a different redistributor is
* explicitly selected
*/
/*
* WakeupGICR - wake up a Redistributor
*
* Inputs:
*
* gicr - which Redistributor to wakeup
*
* Returns:
*
* <nothing>
*/
void WakeupGICR(uint32_t gicr);
/*
* EnablePrivateInt - enable a private (SGI/PPI) interrupt
*
* Inputs:
*
* gicr - which Redistributor to program
*
* id - which interrupt to enable
*
* Returns:
*
* <nothing>
*/
void EnablePrivateInt(uint32_t gicr, uint32_t id);
/*
* DisablePrivateInt - disable a private (SGI/PPI) interrupt
*
* Inputs:
*
* gicr - which Redistributor to program
*
* id - which interrupt to disable
*
* Returns:
*
* <nothing>
*/
void DisablePrivateInt(uint32_t gicr, uint32_t id);
/*
* SetPrivateIntPriority - configure the priority for a private
* (SGI/PPI) interrupt
*
* Inputs:
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* priority - 8-bit priority to program (see note below)
*
* Returns:
*
* <nothing>
*
* Note:
*
* The GICv3 architecture makes this function sensitive to the Security
* context in terms of what effect it has on the programmed priority: no
* attempt is made to adjust for the reduced priority range available
* when making Non-Secure accesses to the GIC
*/
void SetPrivateIntPriority(uint32_t gicr, uint32_t id, uint32_t priority);
/*
* GetPrivateIntPriority - configure the priority for a private
* (SGI/PPI) interrupt
*
* Inputs:
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* Returns:
*
* Int priority
*/
uint32_t GetPrivateIntPriority(uint32_t gicr, uint32_t id);
/*
* SetPrivateIntPending - mark a private (SGI/PPI) interrupt as pending
*
* Inputs
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* Returns
*
* <nothing>
*/
void SetPrivateIntPending(uint32_t gicr, uint32_t id);
/*
* ClearPrivateIntPending - mark a private (SGI/PPI) interrupt as not pending
*
* Inputs
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* Returns
*
* <nothing>
*/
void ClearPrivateIntPending(uint32_t gicr, uint32_t id);
/*
* GetPrivateIntPending - query whether a private (SGI/PPI) interrupt is pending
*
* Inputs
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* Returns
*
* pending status
*/
uint32_t GetPrivateIntPending(uint32_t gicr, uint32_t id);
/*
* SetPrivateIntSecurity - mark a private (SGI/PPI) interrupt as
* security <group>
*
* Inputs
*
* gicr - which Redistributor to program
*
* id - which interrupt to mark
*
* group - the group for the interrupt
*
* Returns
*
* <nothing>
*/
void SetPrivateIntSecurity(uint32_t gicr, uint32_t id, GICIGROUPRBits_t group);
/*
* SetPrivateIntSecurityBlock - mark all 32 private (SGI/PPI)
* interrupts as security <group>
*
* Inputs:
*
* gicr - which Redistributor to program
*
* group - the group for the interrupt
*
* Returns:
*
* <nothing>
*/
void SetPrivateIntSecurityBlock(uint32_t gicr, GICIGROUPRBits_t group);
#endif /* ndef GICV3_h */
/* EOF GICv3.h */

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@@ -0,0 +1,249 @@
/*
* GICv3_gicc.h - prototypes and inline functions for GICC system register operations
*
* Copyright (c) 2014-2017 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#ifndef GICV3_gicc_h
#define GICV3_gicc_h
/**********************************************************************/
typedef enum
{
sreSRE = (1 << 0),
sreDFB = (1 << 1),
sreDIB = (1 << 2),
sreEnable = (1 << 3)
} ICC_SREBits_t;
static inline void setICC_SRE_EL1(ICC_SREBits_t mode)
{
asm("msr ICC_SRE_EL1, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_SRE_EL1(void)
{
uint64_t retc;
asm("mrs %0, ICC_SRE_EL1\n" : "=r" (retc));
return retc;
}
static inline void setICC_SRE_EL2(ICC_SREBits_t mode)
{
asm("msr ICC_SRE_EL2, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_SRE_EL2(void)
{
uint64_t retc;
asm("mrs %0, ICC_SRE_EL2\n" : "=r" (retc));
return retc;
}
static inline void setICC_SRE_EL3(ICC_SREBits_t mode)
{
asm("msr ICC_SRE_EL3, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_SRE_EL3(void)
{
uint64_t retc;
asm("mrs %0, ICC_SRE_EL3\n" : "=r" (retc));
return retc;
}
/**********************************************************************/
typedef enum
{
igrpEnable = (1 << 0),
igrpEnableGrp1NS = (1 << 0),
igrpEnableGrp1S = (1 << 2)
} ICC_IGRPBits_t;
static inline void setICC_IGRPEN0_EL1(ICC_IGRPBits_t mode)
{
asm("msr ICC_IGRPEN0_EL1, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline void setICC_IGRPEN1_EL1(ICC_IGRPBits_t mode)
{
asm("msr ICC_IGRPEN1_EL1, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline void setICC_IGRPEN1_EL3(ICC_IGRPBits_t mode)
{
asm("msr ICC_IGRPEN1_EL3, %0\n; isb" :: "r" ((uint64_t)mode));
}
/**********************************************************************/
typedef enum
{
ctlrCBPR = (1 << 0),
ctlrCBPR_EL1S = (1 << 0),
ctlrEOImode = (1 << 1),
ctlrCBPR_EL1NS = (1 << 1),
ctlrEOImode_EL3 = (1 << 2),
ctlrEOImode_EL1S = (1 << 3),
ctlrEOImode_EL1NS = (1 << 4),
ctlrRM = (1 << 5),
ctlrPMHE = (1 << 6)
} ICC_CTLRBits_t;
static inline void setICC_CTLR_EL1(ICC_CTLRBits_t mode)
{
asm("msr ICC_CTLR_EL1, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_CTLR_EL1(void)
{
uint64_t retc;
asm("mrs %0, ICC_CTLR_EL1\n" : "=r" (retc));
return retc;
}
static inline void setICC_CTLR_EL3(ICC_CTLRBits_t mode)
{
asm("msr ICC_CTLR_EL3, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_CTLR_EL3(void)
{
uint64_t retc;
asm("mrs %0, ICC_CTLR_EL3\n" : "=r" (retc));
return retc;
}
/**********************************************************************/
static inline uint64_t getICC_IAR0(void)
{
uint64_t retc;
asm("mrs %0, ICC_IAR0_EL1\n" : "=r" (retc));
return retc;
}
static inline uint64_t getICC_IAR1(void)
{
uint64_t retc;
asm("mrs %0, ICC_IAR1_EL1\n" : "=r" (retc));
return retc;
}
static inline void setICC_EOIR0(uint32_t interrupt)
{
asm("msr ICC_EOIR0_EL1, %0\n; isb" :: "r" ((uint64_t)interrupt));
}
static inline void setICC_EOIR1(uint32_t interrupt)
{
asm("msr ICC_EOIR1_EL1, %0\n; isb" :: "r" ((uint64_t)interrupt));
}
static inline void setICC_DIR(uint32_t interrupt)
{
asm("msr ICC_DIR_EL1, %0\n; isb" :: "r" ((uint64_t)interrupt));
}
static inline void setICC_PMR(uint32_t priority)
{
asm("msr ICC_PMR_EL1, %0\n; isb" :: "r" ((uint64_t)priority));
}
static inline void setICC_BPR0(uint32_t binarypoint)
{
asm("msr ICC_BPR0_EL1, %0\n; isb" :: "r" ((uint64_t)binarypoint));
}
static inline void setICC_BPR1(uint32_t binarypoint)
{
asm("msr ICC_BPR1_EL1, %0\n; isb" :: "r" ((uint64_t)binarypoint));
}
static inline uint64_t getICC_BPR0(void)
{
uint64_t retc;
asm("mrs %0, ICC_BPR0_EL1\n" : "=r" (retc));
return retc;
}
static inline uint64_t getICC_BPR1(void)
{
uint64_t retc;
asm("mrs %0, ICC_BPR1_EL1\n" : "=r" (retc));
return retc;
}
static inline uint64_t getICC_RPR(void)
{
uint64_t retc;
asm("mrs %0, ICC_RPR_EL1\n" : "=r" (retc));
return retc;
}
/**********************************************************************/
typedef enum
{
sgirIRMTarget = 0,
sgirIRMAll = (1ull << 40)
} ICC_SGIRBits_t;
static inline void setICC_SGI0R(uint8_t aff3, uint8_t aff2,
uint8_t aff1, ICC_SGIRBits_t irm,
uint16_t targetlist, uint8_t intid)
{
uint64_t packedbits = (((uint64_t)aff3 << 48) | ((uint64_t)aff2 << 32) | \
((uint64_t)aff1 << 16) | irm | targetlist | \
((uint64_t)(intid & 0x0f) << 24));
asm("msr ICC_SGI0R_EL1, %0\n; isb" :: "r" (packedbits));
}
static inline void setICC_SGI1R(uint8_t aff3, uint8_t aff2,
uint8_t aff1, ICC_SGIRBits_t irm,
uint16_t targetlist, uint8_t intid)
{
uint64_t packedbits = (((uint64_t)aff3 << 48) | ((uint64_t)aff2 << 32) | \
((uint64_t)aff1 << 16) | irm | targetlist | \
((uint64_t)(intid & 0x0f) << 24));
asm("msr ICC_SGI1R_EL1, %0\n; isb" :: "r" (packedbits));
}
static inline void setICC_ASGI1R(uint8_t aff3, uint8_t aff2,
uint8_t aff1, ICC_SGIRBits_t irm,
uint16_t targetlist, uint8_t intid)
{
uint64_t packedbits = (((uint64_t)aff3 << 48) | ((uint64_t)aff2 << 32) | \
((uint64_t)aff1 << 16) | irm | targetlist | \
((uint64_t)(intid & 0x0f) << 24));
asm("msr ICC_ASGI1R_EL1, %0\n; isb" :: "r" (packedbits));
}
#endif /* ndef GICV3_gicc_h */

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/*
* GICv3_gicd.c - generic driver code for GICv3 distributor
*
* Copyright (c) 2014-2017 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#include <stdint.h>
#include "GICv3.h"
typedef struct
{
volatile uint32_t GICD_CTLR; // +0x0000
const volatile uint32_t GICD_TYPER; // +0x0004
const volatile uint32_t GICD_IIDR; // +0x0008
const volatile uint32_t padding0; // +0x000c
volatile uint32_t GICD_STATUSR; // +0x0010
const volatile uint32_t padding1[3]; // +0x0014
volatile uint32_t IMP_DEF[8]; // +0x0020
volatile uint32_t GICD_SETSPI_NSR; // +0x0040
const volatile uint32_t padding2; // +0x0044
volatile uint32_t GICD_CLRSPI_NSR; // +0x0048
const volatile uint32_t padding3; // +0x004c
volatile uint32_t GICD_SETSPI_SR; // +0x0050
const volatile uint32_t padding4; // +0x0054
volatile uint32_t GICD_CLRSPI_SR; // +0x0058
const volatile uint32_t padding5[3]; // +0x005c
volatile uint32_t GICD_SEIR; // +0x0068
const volatile uint32_t padding6[5]; // +0x006c
volatile uint32_t GICD_IGROUPR[32]; // +0x0080
volatile uint32_t GICD_ISENABLER[32]; // +0x0100
volatile uint32_t GICD_ICENABLER[32]; // +0x0180
volatile uint32_t GICD_ISPENDR[32]; // +0x0200
volatile uint32_t GICD_ICPENDR[32]; // +0x0280
volatile uint32_t GICD_ISACTIVER[32]; // +0x0300
volatile uint32_t GICD_ICACTIVER[32]; // +0x0380
volatile uint8_t GICD_IPRIORITYR[1024]; // +0x0400
volatile uint8_t GICD_ITARGETSR[1024]; // +0x0800
volatile uint32_t GICD_ICFGR[64]; // +0x0c00
volatile uint32_t GICD_IGRPMODR[32]; // +0x0d00
const volatile uint32_t padding7[32]; // +0x0d80
volatile uint32_t GICD_NSACR[64]; // +0x0e00
volatile uint32_t GICD_SGIR; // +0x0f00
const volatile uint32_t padding8[3]; // +0x0f04
volatile uint32_t GICD_CPENDSGIR[4]; // +0x0f10
volatile uint32_t GICD_SPENDSGIR[4]; // +0x0f20
const volatile uint32_t padding9[52]; // +0x0f30
const volatile uint32_t padding10[5120]; // +0x1000
volatile uint64_t GICD_IROUTER[1024]; // +0x6000
} GICv3_distributor;
/*
* use the scatter file to place GICD
*/
static GICv3_distributor __attribute__((section(".bss.distributor"))) gicd;
void ConfigGICD(GICDCTLRFlags_t flags)
{
gicd.GICD_CTLR = flags;
}
void EnableGICD(GICDCTLRFlags_t flags)
{
gicd.GICD_CTLR |= flags;
}
void DisableGICD(GICDCTLRFlags_t flags)
{
gicd.GICD_CTLR &= ~flags;
}
void SyncAREinGICD(GICDCTLRFlags_t flags, uint32_t dosync)
{
if (dosync)
{
const uint32_t tmask = gicdctlr_ARE_S | gicdctlr_ARE_NS;
const uint32_t tval = flags & tmask;
while ((gicd.GICD_CTLR & tmask) != tval)
continue;
}
else
gicd.GICD_CTLR = flags;
}
void EnableSPI(uint32_t id)
{
uint32_t bank;
/*
* GICD_ISENABLER has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ISENABLER);
id &= 32 - 1;
gicd.GICD_ISENABLER[bank] = 1 << id;
return;
}
void DisableSPI(uint32_t id)
{
uint32_t bank;
/*
* GICD_ISENABLER has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ICENABLER);
id &= 32 - 1;
gicd.GICD_ICENABLER[bank] = 1 << id;
return;
}
void SetSPIPriority(uint32_t id, uint32_t priority)
{
uint32_t bank;
/*
* GICD_IPRIORITYR has one byte-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_IPRIORITYR);
gicd.GICD_IPRIORITYR[bank] = priority;
}
uint32_t GetSPIPriority(uint32_t id)
{
uint32_t bank;
/*
* GICD_IPRIORITYR has one byte-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_IPRIORITYR);
return (uint32_t)(gicd.GICD_IPRIORITYR[bank]);
}
void SetSPIRoute(uint32_t id, uint64_t affinity, GICDIROUTERBits_t mode)
{
uint32_t bank;
/*
* GICD_IROUTER has one doubleword-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_IROUTER);
gicd.GICD_IROUTER[bank] = affinity | (uint64_t)mode;
}
uint64_t GetSPIRoute(uint32_t id)
{
uint32_t bank;
/*
* GICD_IROUTER has one doubleword-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_IROUTER);
return gicd.GICD_IROUTER[bank];
}
void SetSPITarget(uint32_t id, uint32_t target)
{
uint32_t bank;
/*
* GICD_ITARGETSR has one byte-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_ITARGETSR);
gicd.GICD_ITARGETSR[bank] = target;
}
uint32_t GetSPITarget(uint32_t id)
{
uint32_t bank;
/*
* GICD_ITARGETSR has one byte-wide entry per interrupt
*/
/*
* GICD_ITARGETSR has 4 interrupts per register, i.e. 8-bits of
* target bitmap per register
*/
bank = id & RANGE_LIMIT(gicd.GICD_ITARGETSR);
return (uint32_t)(gicd.GICD_ITARGETSR[bank]);
}
void ConfigureSPI(uint32_t id, GICDICFGRBits_t config)
{
uint32_t bank, tmp;
/*
* GICD_ICFGR has 16 interrupts per register, i.e. 2-bits of
* configuration per register
*/
bank = (id >> 4) & RANGE_LIMIT(gicd.GICD_ICFGR);
config &= 3;
id = (id & 0xf) << 1;
tmp = gicd.GICD_ICFGR[bank];
tmp &= ~(3 << id);
tmp |= config << id;
gicd.GICD_ICFGR[bank] = tmp;
}
void SetSPIPending(uint32_t id)
{
uint32_t bank;
/*
* GICD_ISPENDR has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ISPENDR);
id &= 0x1f;
gicd.GICD_ISPENDR[bank] = 1 << id;
}
void ClearSPIPending(uint32_t id)
{
uint32_t bank;
/*
* GICD_ICPENDR has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ICPENDR);
id &= 0x1f;
gicd.GICD_ICPENDR[bank] = 1 << id;
}
uint32_t GetSPIPending(uint32_t id)
{
uint32_t bank;
/*
* GICD_ICPENDR has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ICPENDR);
id &= 0x1f;
return (gicd.GICD_ICPENDR[bank] >> id) & 1;
}
void SetSPISecurity(uint32_t id, GICIGROUPRBits_t group)
{
uint32_t bank, groupmod;
/*
* GICD_IGROUPR has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_IGROUPR);
id &= 0x1f;
/*
* the single group argument is split into two separate
* registers, so filter out and remove the (new to gicv3)
* group modifier bit
*/
groupmod = (group >> 1) & 1;
group &= 1;
/*
* either set or clear the Group bit for the interrupt as appropriate
*/
if (group)
gicd.GICD_IGROUPR[bank] |= 1 << id;
else
gicd.GICD_IGROUPR[bank] &= ~(1 << id);
/*
* now deal with groupmod
*/
if (groupmod)
gicd.GICD_IGRPMODR[bank] |= 1 << id;
else
gicd.GICD_IGRPMODR[bank] &= ~(1 << id);
}
void SetSPISecurityBlock(uint32_t block, GICIGROUPRBits_t group)
{
uint32_t groupmod;
const uint32_t nbits = (sizeof group * 8) - 1;
/*
* GICD_IGROUPR has 32 interrupts per register
*/
block &= RANGE_LIMIT(gicd.GICD_IGROUPR);
/*
* get each bit of group config duplicated over all 32-bits in a word
*/
groupmod = (uint32_t)(((int32_t)group << (nbits - 1)) >> 31);
group = (uint32_t)(((int32_t)group << nbits) >> 31);
/*
* set the security state for this block of SPIs
*/
gicd.GICD_IGROUPR[block] = group;
gicd.GICD_IGRPMODR[block] = groupmod;
}
void SetSPISecurityAll(GICIGROUPRBits_t group)
{
uint32_t block;
/*
* GICD_TYPER.ITLinesNumber gives (No. SPIS / 32) - 1, and we
* want to iterate over all blocks excluding 0 (which are the
* SGI/PPI interrupts, and not relevant here)
*/
for (block = (gicd.GICD_TYPER & ((1 << 5) - 1)); block > 0; --block)
SetSPISecurityBlock(block, group);
}
/* EOF GICv3_gicd.c */

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/*
* GICv3_gicr.c - generic driver code for GICv3 redistributor
*
* Copyright (c) 2014-2019 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#include "GICv3.h"
/*
* physical LPI Redistributor register map
*/
typedef struct
{
volatile uint32_t GICR_CTLR; // +0x0000 - RW - Redistributor Control Register
const volatile uint32_t GICR_IIDR; // +0x0004 - RO - Implementer Identification Register
const volatile uint32_t GICR_TYPER[2]; // +0x0008 - RO - Redistributor Type Register
volatile uint32_t GICR_STATUSR; // +0x0010 - RW - Error Reporting Status Register, optional
volatile uint32_t GICR_WAKER; // +0x0014 - RW - Redistributor Wake Register
const volatile uint32_t padding1[2]; // +0x0018 - RESERVED
#ifndef USE_GIC600
volatile uint32_t IMPDEF1[8]; // +0x0020 - ?? - IMPLEMENTATION DEFINED
#else
volatile uint32_t GICR_FCTLR; // +0x0020 - RW - Function Control Register
volatile uint32_t GICR_PWRR; // +0x0024 - RW - Power Management Control Register
volatile uint32_t GICR_CLASS; // +0x0028 - RW - Class Register
const volatile uint32_t padding2[5]; // +0x002C - RESERVED
#endif
volatile uint64_t GICR_SETLPIR; // +0x0040 - WO - Set LPI Pending Register
volatile uint64_t GICR_CLRLPIR; // +0x0048 - WO - Clear LPI Pending Register
const volatile uint32_t padding3[8]; // +0x0050 - RESERVED
volatile uint64_t GICR_PROPBASER; // +0x0070 - RW - Redistributor Properties Base Address Register
volatile uint64_t GICR_PENDBASER; // +0x0078 - RW - Redistributor LPI Pending Table Base Address Register
const volatile uint32_t padding4[8]; // +0x0080 - RESERVED
volatile uint64_t GICR_INVLPIR; // +0x00A0 - WO - Redistributor Invalidate LPI Register
const volatile uint32_t padding5[2]; // +0x00A8 - RESERVED
volatile uint64_t GICR_INVALLR; // +0x00B0 - WO - Redistributor Invalidate All Register
const volatile uint32_t padding6[2]; // +0x00B8 - RESERVED
volatile uint64_t GICR_SYNCR; // +0x00C0 - RO - Redistributor Synchronize Register
const volatile uint32_t padding7[2]; // +0x00C8 - RESERVED
const volatile uint32_t padding8[12]; // +0x00D0 - RESERVED
volatile uint64_t IMPDEF2; // +0x0100 - WO - IMPLEMENTATION DEFINED
const volatile uint32_t padding9[2]; // +0x0108 - RESERVED
volatile uint64_t IMPDEF3; // +0x0110 - WO - IMPLEMENTATION DEFINED
const volatile uint32_t padding10[2]; // +0x0118 - RESERVED
} GICv3_redistributor_RD;
/*
* SGI and PPI Redistributor register map
*/
typedef struct
{
const volatile uint32_t padding1[32]; // +0x0000 - RESERVED
volatile uint32_t GICR_IGROUPR0; // +0x0080 - RW - Interrupt Group Registers (Security Registers in GICv1)
const volatile uint32_t padding2[31]; // +0x0084 - RESERVED
volatile uint32_t GICR_ISENABLER; // +0x0100 - RW - Interrupt Set-Enable Registers
const volatile uint32_t padding3[31]; // +0x0104 - RESERVED
volatile uint32_t GICR_ICENABLER; // +0x0180 - RW - Interrupt Clear-Enable Registers
const volatile uint32_t padding4[31]; // +0x0184 - RESERVED
volatile uint32_t GICR_ISPENDR; // +0x0200 - RW - Interrupt Set-Pending Registers
const volatile uint32_t padding5[31]; // +0x0204 - RESERVED
volatile uint32_t GICR_ICPENDR; // +0x0280 - RW - Interrupt Clear-Pending Registers
const volatile uint32_t padding6[31]; // +0x0284 - RESERVED
volatile uint32_t GICR_ISACTIVER; // +0x0300 - RW - Interrupt Set-Active Register
const volatile uint32_t padding7[31]; // +0x0304 - RESERVED
volatile uint32_t GICR_ICACTIVER; // +0x0380 - RW - Interrupt Clear-Active Register
const volatile uint32_t padding8[31]; // +0x0184 - RESERVED
volatile uint8_t GICR_IPRIORITYR[32]; // +0x0400 - RW - Interrupt Priority Registers
const volatile uint32_t padding9[504]; // +0x0420 - RESERVED
volatile uint32_t GICR_ICnoFGR[2]; // +0x0C00 - RW - Interrupt Configuration Registers
const volatile uint32_t padding10[62]; // +0x0C08 - RESERVED
volatile uint32_t GICR_IGRPMODR0; // +0x0D00 - RW - ????
const volatile uint32_t padding11[63]; // +0x0D04 - RESERVED
volatile uint32_t GICR_NSACR; // +0x0E00 - RW - Non-Secure Access Control Register
} GICv3_redistributor_SGI;
/*
* We have a multiplicity of GIC Redistributors; on the GIC-AEM and
* GIC-500 they are arranged as one 128KB region per redistributor: one
* 64KB page of GICR LPI registers, and one 64KB page of GICR Private
* Int registers
*/
typedef struct
{
union
{
GICv3_redistributor_RD RD_base;
uint8_t padding[64 * 1024];
} RDblock;
union
{
GICv3_redistributor_SGI SGI_base;
uint8_t padding[64 * 1024];
} SGIblock;
} GICv3_GICR;
/*
* use the scatter file to place GIC Redistributor base address
*
* although this code doesn't know how many Redistributor banks
* a particular system will have, we declare gicrbase as an array
* to avoid unwanted compiler optimisations when calculating the
* base of a particular Redistributor bank
*/
static const GICv3_GICR gicrbase[2] __attribute__((section (".bss.redistributor")));
/**********************************************************************/
/*
* utility functions to calculate base of a particular
* Redistributor bank
*/
static inline GICv3_redistributor_RD *const getgicrRD(uint32_t gicr)
{
GICv3_GICR *const arraybase = (GICv3_GICR *const)&gicrbase;
return &((arraybase + gicr)->RDblock.RD_base);
}
static inline GICv3_redistributor_SGI *const getgicrSGI(uint32_t gicr)
{
GICv3_GICR *arraybase = (GICv3_GICR *)(&gicrbase);
return &(arraybase[gicr].SGIblock.SGI_base);
}
/**********************************************************************/
// This function walks a block of RDs to find one with the matching affinity
uint32_t GetGICR(uint32_t affinity)
{
GICv3_redistributor_RD* gicr;
uint32_t index = 0;
do
{
gicr = getgicrRD(index);
if (gicr->GICR_TYPER[1] == affinity)
return index;
index++;
}
while((gicr->GICR_TYPER[0] & (1<<4)) == 0); // Keep looking until GICR_TYPER.Last reports no more RDs in block
return 0xFFFFFFFF; // return -1 to signal not RD found
}
void WakeupGICR(uint32_t gicr)
{
GICv3_redistributor_RD *const gicrRD = getgicrRD(gicr);
#ifdef USE_GIC600
//Power up Re-distributor for GIC-600
gicrRD->GICR_PWRR = 0x2;
#endif
/*
* step 1 - ensure GICR_WAKER.ProcessorSleep is off
*/
gicrRD->GICR_WAKER &= ~gicrwaker_ProcessorSleep;
/*
* step 2 - wait for children asleep to be cleared
*/
while ((gicrRD->GICR_WAKER & gicrwaker_ChildrenAsleep) != 0)
continue;
/*
* OK, GICR is go
*/
return;
}
void EnablePrivateInt(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
id &= 0x1f;
gicrSGI->GICR_ISENABLER = 1 << id;
}
void DisablePrivateInt(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
id &= 0x1f;
gicrSGI->GICR_ICENABLER = 1 << id;
}
void SetPrivateIntPriority(uint32_t gicr, uint32_t id, uint32_t priority)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICD_IPRIORITYR has one byte-wide entry per interrupt
*/
id &= RANGE_LIMIT(gicrSGI->GICR_IPRIORITYR);
gicrSGI->GICR_IPRIORITYR[id] = priority;
}
uint32_t GetPrivateIntPriority(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICD_IPRIORITYR has one byte-wide entry per interrupt
*/
id &= RANGE_LIMIT(gicrSGI->GICR_IPRIORITYR);
return (uint32_t)(gicrSGI->GICR_IPRIORITYR[id]);
}
void SetPrivateIntPending(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICR_ISPENDR is one 32-bit register
*/
id &= 0x1f;
gicrSGI->GICR_ISPENDR = 1 << id;
}
void ClearPrivateIntPending(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICR_ICPENDR is one 32-bit register
*/
id &= 0x1f;
gicrSGI->GICR_ICPENDR = 1 << id;
}
uint32_t GetPrivateIntPending(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICR_ISPENDR is one 32-bit register
*/
id &= 0x1f;
return (gicrSGI->GICR_ISPENDR >> id) & 0x01;
}
void SetPrivateIntSecurity(uint32_t gicr, uint32_t id, GICIGROUPRBits_t group)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
uint32_t groupmod;
/*
* GICR_IGROUPR0 is one 32-bit register
*/
id &= 0x1f;
/*
* the single group argument is split into two separate
* registers, so filter out and remove the (new to gicv3)
* group modifier bit
*/
groupmod = (group >> 1) & 1;
group &= 1;
/*
* either set or clear the Group bit for the interrupt as appropriate
*/
if (group)
gicrSGI->GICR_IGROUPR0 |= 1 << id;
else
gicrSGI->GICR_IGROUPR0 &= ~(1 << id);
/*
* now deal with groupmod
*/
if (groupmod)
gicrSGI->GICR_IGRPMODR0 |= 1 << id;
else
gicrSGI->GICR_IGRPMODR0 &= ~(1 << id);
}
void SetPrivateIntSecurityBlock(uint32_t gicr, GICIGROUPRBits_t group)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
const uint32_t nbits = (sizeof group * 8) - 1;
uint32_t groupmod;
/*
* get each bit of group config duplicated over all 32 bits
*/
groupmod = (uint32_t)(((int32_t)group << (nbits - 1)) >> 31);
group = (uint32_t)(((int32_t)group << nbits) >> 31);
/*
* set the security state for this block of SPIs
*/
gicrSGI->GICR_IGROUPR0 = group;
gicrSGI->GICR_IGRPMODR0 = groupmod;
}
/* EOF GICv3_gicr.c */

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//
// Armv8-A AArch64 - Basic Mutex Example
// Includes the option (USE_LSE_ATOMIC) to use Large System Extension (LSE) atomics introduced in Armv8.1-A
//
// Copyright (c) 2012-2019 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
//
.text
.cfi_sections .debug_frame // put stack frame info into .debug_frame instead of .eh_frame
.global _mutex_initialize
.global _mutex_acquire
.global _mutex_release
//
// These routines implement the mutex management functions required for running
// the Arm C library in a multi-threaded environment.
//
// They use a value of 0 to represent an unlocked mutex, and 1 for a locked mutex
//
// **********************************************************************
//
.type _mutex_initialize, "function"
.cfi_startproc
_mutex_initialize:
//
// mark the mutex as unlocked
//
mov w1, #0
str w1, [x0]
//
// we are running multi-threaded, so set a non-zero return
// value (function prototype says use 1)
//
mov w0, #1
ret
.cfi_endproc
#if !defined(USE_LSE_ATOMIC)
.type _mutex_acquire, "function"
.cfi_startproc
_mutex_acquire:
//
// send ourselves an event, so we don't stick on the wfe at the
// top of the loop
//
sevl
//
// wait until the mutex is available
//
loop:
wfe
ldaxr w1, [x0]
cbnz w1, loop
//
// mutex is (at least, it was) available - try to claim it
//
mov w1, #1
stxr w2, w1, [x0]
cbnz w2, loop
//
// OK, we have the mutex, our work is done here
//
ret
.cfi_endproc
.type _mutex_release, "function"
.cfi_startproc
_mutex_release:
mov w1, #0
stlr w1, [x0]
ret
.cfi_endproc
#else // LSE version
.type _mutex_acquire, "function"
.cfi_startproc
_mutex_acquire:
// This uses a "ticket lock". The lock is stored as a 32-bit value:
// - the upper 16-bits record the thread's ticket number ("take a ticket")
// - the lower 16-bits record the ticket being served ("now serving")
// atomically load then increment the thread's ticket number ("take a ticket")
mov w3, #(1 << 16)
ldadda w3, w1, [x0]
// is the ticket now being served?
eor w2, w1, w1, ror #16
cbz w2, loop_exit
// no, so wait for the ticket to be served
// send a local event to avoid missing an unlock before the exclusive load
sevl
loop:
wfe
ldaxrh w3, [x0]
eor w2, w3, w1, lsr #16
cbnz w2, loop
//
// OK, we have the mutex, our work is done here
//
loop_exit:
ret
.cfi_endproc
.type _mutex_release, "function"
.cfi_startproc
_mutex_release:
mov w1, #1
staddlh w1, [x0]
ret
.cfi_endproc
#endif

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@@ -0,0 +1,66 @@
/*
* Armv8-A AArch64 - Basic Mutex Example
*
* Copyright (c) 2012-2014 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#ifndef MP_MUTEX_H
#define MP_MUTEX_H
/*
* The Arm C library calls-out to these functions to manage multithreading.
* They can also be called by user application code.
*
* Mutex type is specified by the Arm C library
*
* Declare function prototypes for libc mutex routines
*/
typedef signed int *mutex;
/*
* int _mutex_initialize(mutex *m)
*
* Inputs
* mutex *m - pointer to the 32-bit word associated with the mutex
*
* Returns
* 0 - application is non-threaded
* 1 - application is threaded
* The C library uses the return result to indicate whether it is being used in a multithreaded environment.
*/
int _mutex_initialize(mutex *m);
/*
* void _mutex_acquire(mutex *m)
*
* Inputs
* mutex *m - pointer to the 32-bit word associated with the mutex
*
* Returns
* <nothing>
*
* Side Effects
* Routine does not return until the mutex has been claimed. A load-acquire
* is used to guarantee that the mutex claim is properly ordered with
* respect to any accesses to the resource protected by the mutex
*/
void _mutex_acquire(mutex *m);
/*
* void _mutex_release(mutex *m)
*
* Inputs
* mutex *m - pointer to the 32-bit word associated with the mutex
*
* Returns
* <nothing>
*
* Side Effects
* A store-release is used to guarantee that the mutex release is properly
* ordered with respect any accesses to the resource protected by the mutex
*/
void _mutex_release(mutex *m);
#endif

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@@ -0,0 +1,66 @@
//
// Private Peripheral Map for the v8 Architecture Envelope Model
//
// Copyright (c) 2012-2017 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
//
#ifndef PPM_AEM_H
#define PPM_AEM_H
//
// Distributor layout
//
#define GICD_CTLR 0x0000
#define GICD_TYPER 0x0004
#define GICD_IIDR 0x0008
#define GICD_IGROUP 0x0080
#define GICD_ISENABLE 0x0100
#define GICD_ICENABLE 0x0180
#define GICD_ISPEND 0x0200
#define GICD_ICPEND 0x0280
#define GICD_ISACTIVE 0x0300
#define GICD_ICACTIVE 0x0380
#define GICD_IPRIORITY 0x0400
#define GICD_ITARGETS 0x0800
#define GICD_ICFG 0x0c00
#define GICD_PPISR 0x0d00
#define GICD_SPISR 0x0d04
#define GICD_SGIR 0x0f00
#define GICD_CPENDSGI 0x0f10
#define GICD_SPENDSGI 0x0f20
#define GICD_PIDR4 0x0fd0
#define GICD_PIDR5 0x0fd4
#define GICD_PIDR6 0x0fd8
#define GICD_PIDR7 0x0fdc
#define GICD_PIDR0 0x0fe0
#define GICD_PIDR1 0x0fe4
#define GICD_PIDR2 0x0fe8
#define GICD_PIDR3 0x0fec
#define GICD_CIDR0 0x0ff0
#define GICD_CIDR1 0x0ff4
#define GICD_CIDR2 0x0ff8
#define GICD_CIDR3 0x0ffc
//
// CPU Interface layout
//
#define GICC_CTLR 0x0000
#define GICC_PMR 0x0004
#define GICC_BPR 0x0008
#define GICC_IAR 0x000c
#define GICC_EOIR 0x0010
#define GICC_RPR 0x0014
#define GICC_HPPIR 0x0018
#define GICC_ABPR 0x001c
#define GICC_AIAR 0x0020
#define GICC_AEOIR 0x0024
#define GICC_AHPPIR 0x0028
#define GICC_APR0 0x00d0
#define GICC_NSAPR0 0x00e0
#define GICC_IIDR 0x00fc
#define GICC_DIR 0x1000
#endif // PPM_AEM_H

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/* This is a small demo of the high-performance ThreadX kernel. It includes examples of eight
threads of different priorities, using a message queue, semaphore, mutex, event flags group,
byte pool, and block pool. */
#include "tx_api.h"
#include <stddef.h>
#define DEMO_STACK_SIZE 2048
#define DEMO_BYTE_POOL_SIZE 64000
#define DEMO_BLOCK_POOL_SIZE 100
#define DEMO_QUEUE_SIZE 100
/* Define the ThreadX object control blocks... */
TX_THREAD thread_0;
TX_THREAD thread_1;
TX_THREAD thread_2;
TX_THREAD thread_3;
TX_THREAD thread_4;
TX_THREAD thread_5;
TX_THREAD thread_6;
TX_THREAD thread_7;
TX_QUEUE queue_0;
TX_SEMAPHORE semaphore_0;
TX_MUTEX mutex_0;
TX_EVENT_FLAGS_GROUP event_flags_0;
TX_BYTE_POOL byte_pool_0;
TX_BLOCK_POOL block_pool_0;
/* Define the counters used in the demo application... */
ULONG thread_0_counter;
ULONG thread_1_counter;
ULONG thread_1_messages_sent;
ULONG thread_2_counter;
ULONG thread_2_messages_received;
ULONG thread_3_counter;
ULONG thread_4_counter;
ULONG thread_5_counter;
ULONG thread_6_counter;
ULONG thread_7_counter;
UCHAR memory_pool[DEMO_BYTE_POOL_SIZE];
/* Define thread prototypes. */
void thread_0_entry(ULONG thread_input);
void thread_1_entry(ULONG thread_input);
void thread_2_entry(ULONG thread_input);
void thread_3_and_4_entry(ULONG thread_input);
void thread_5_entry(ULONG thread_input);
void thread_6_and_7_entry(ULONG thread_input);
void init_timer();
/* Define main entry point. */
int main()
{
/* Initialize timer for ThreadX. */
init_timer();
/* Enter the ThreadX kernel. */
tx_kernel_enter();
}
/* Define what the initial system looks like. */
void tx_application_define(void *first_unused_memory)
{
UCHAR *pointer = TX_NULL;
/* Create a byte memory pool from which to allocate the thread stacks. */
tx_byte_pool_create(&byte_pool_0, "byte pool 0", memory_pool, DEMO_BYTE_POOL_SIZE);
/* Put system definition stuff in here, e.g. thread creates and other assorted
create information. */
/* Allocate the stack for thread 0. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
/* Create the main thread. */
tx_thread_create(&thread_0, "thread 0", thread_0_entry, 0,
pointer, DEMO_STACK_SIZE,
1, 1, TX_NO_TIME_SLICE, TX_AUTO_START);
/* Allocate the stack for thread 1. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
/* Create threads 1 and 2. These threads pass information through a ThreadX
message queue. It is also interesting to note that these threads have a time
slice. */
tx_thread_create(&thread_1, "thread 1", thread_1_entry, 1,
pointer, DEMO_STACK_SIZE,
16, 16, 4, TX_AUTO_START);
/* Allocate the stack for thread 2. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
tx_thread_create(&thread_2, "thread 2", thread_2_entry, 2,
pointer, DEMO_STACK_SIZE,
16, 16, 4, TX_AUTO_START);
/* Allocate the stack for thread 3. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
/* Create threads 3 and 4. These threads compete for a ThreadX counting semaphore.
An interesting thing here is that both threads share the same instruction area. */
tx_thread_create(&thread_3, "thread 3", thread_3_and_4_entry, 3,
pointer, DEMO_STACK_SIZE,
8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
/* Allocate the stack for thread 4. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
tx_thread_create(&thread_4, "thread 4", thread_3_and_4_entry, 4,
pointer, DEMO_STACK_SIZE,
8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
/* Allocate the stack for thread 5. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
/* Create thread 5. This thread simply pends on an event flag which will be set
by thread_0. */
tx_thread_create(&thread_5, "thread 5", thread_5_entry, 5,
pointer, DEMO_STACK_SIZE,
4, 4, TX_NO_TIME_SLICE, TX_AUTO_START);
/* Allocate the stack for thread 6. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
/* Create threads 6 and 7. These threads compete for a ThreadX mutex. */
tx_thread_create(&thread_6, "thread 6", thread_6_and_7_entry, 6,
pointer, DEMO_STACK_SIZE,
8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
/* Allocate the stack for thread 7. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
tx_thread_create(&thread_7, "thread 7", thread_6_and_7_entry, 7,
pointer, DEMO_STACK_SIZE,
8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
/* Allocate the message queue. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_QUEUE_SIZE*sizeof(ULONG), TX_NO_WAIT);
/* Create the message queue shared by threads 1 and 2. */
tx_queue_create(&queue_0, "queue 0", TX_1_ULONG, pointer, DEMO_QUEUE_SIZE*sizeof(ULONG));
/* Create the semaphore used by threads 3 and 4. */
tx_semaphore_create(&semaphore_0, "semaphore 0", 1);
/* Create the event flags group used by threads 1 and 5. */
tx_event_flags_create(&event_flags_0, "event flags 0");
/* Create the mutex used by thread 6 and 7 without priority inheritance. */
tx_mutex_create(&mutex_0, "mutex 0", TX_NO_INHERIT);
/* Allocate the memory for a small block pool. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_BLOCK_POOL_SIZE, TX_NO_WAIT);
/* Create a block memory pool to allocate a message buffer from. */
tx_block_pool_create(&block_pool_0, "block pool 0", sizeof(ULONG), pointer, DEMO_BLOCK_POOL_SIZE);
/* Allocate a block and release the block memory. */
tx_block_allocate(&block_pool_0, (VOID **) &pointer, TX_NO_WAIT);
/* Release the block back to the pool. */
tx_block_release(pointer);
}
/* Define the test threads. */
void thread_0_entry(ULONG thread_input)
{
UINT status;
/* This thread simply sits in while-forever-sleep loop. */
while(1)
{
/* Increment the thread counter. */
thread_0_counter++;
/* Sleep for 10 ticks. */
tx_thread_sleep(10);
/* Set event flag 0 to wakeup thread 5. */
status = tx_event_flags_set(&event_flags_0, 0x1, TX_OR);
/* Check status. */
if (status != TX_SUCCESS)
break;
}
}
void thread_1_entry(ULONG thread_input)
{
UINT status;
/* This thread simply sends messages to a queue shared by thread 2. */
while(1)
{
/* Increment the thread counter. */
thread_1_counter++;
/* Send message to queue 0. */
status = tx_queue_send(&queue_0, &thread_1_messages_sent, TX_WAIT_FOREVER);
/* Check completion status. */
if (status != TX_SUCCESS)
break;
/* Increment the message sent. */
thread_1_messages_sent++;
}
}
void thread_2_entry(ULONG thread_input)
{
ULONG received_message;
UINT status;
/* This thread retrieves messages placed on the queue by thread 1. */
while(1)
{
/* Increment the thread counter. */
thread_2_counter++;
/* Retrieve a message from the queue. */
status = tx_queue_receive(&queue_0, &received_message, TX_WAIT_FOREVER);
/* Check completion status and make sure the message is what we
expected. */
if ((status != TX_SUCCESS) || (received_message != thread_2_messages_received))
break;
/* Otherwise, all is okay. Increment the received message count. */
thread_2_messages_received++;
}
}
void thread_3_and_4_entry(ULONG thread_input)
{
UINT status;
/* This function is executed from thread 3 and thread 4. As the loop
below shows, these function compete for ownership of semaphore_0. */
while(1)
{
/* Increment the thread counter. */
if (thread_input == 3)
thread_3_counter++;
else
thread_4_counter++;
/* Get the semaphore with suspension. */
status = tx_semaphore_get(&semaphore_0, TX_WAIT_FOREVER);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Sleep for 2 ticks to hold the semaphore. */
tx_thread_sleep(2);
/* Release the semaphore. */
status = tx_semaphore_put(&semaphore_0);
/* Check status. */
if (status != TX_SUCCESS)
break;
}
}
void thread_5_entry(ULONG thread_input)
{
UINT status;
ULONG actual_flags;
/* This thread simply waits for an event in a forever loop. */
while(1)
{
/* Increment the thread counter. */
thread_5_counter++;
/* Wait for event flag 0. */
status = tx_event_flags_get(&event_flags_0, 0x1, TX_OR_CLEAR,
&actual_flags, TX_WAIT_FOREVER);
/* Check status. */
if ((status != TX_SUCCESS) || (actual_flags != 0x1))
break;
}
}
void thread_6_and_7_entry(ULONG thread_input)
{
UINT status;
/* This function is executed from thread 6 and thread 7. As the loop
below shows, these function compete for ownership of mutex_0. */
while(1)
{
/* Increment the thread counter. */
if (thread_input == 6)
thread_6_counter++;
else
thread_7_counter++;
/* Get the mutex with suspension. */
status = tx_mutex_get(&mutex_0, TX_WAIT_FOREVER);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Get the mutex again with suspension. This shows
that an owning thread may retrieve the mutex it
owns multiple times. */
status = tx_mutex_get(&mutex_0, TX_WAIT_FOREVER);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Sleep for 2 ticks to hold the mutex. */
tx_thread_sleep(2);
/* Release the mutex. */
status = tx_mutex_put(&mutex_0);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Release the mutex again. This will actually
release ownership since it was obtained twice. */
status = tx_mutex_put(&mutex_0);
/* Check status. */
if (status != TX_SUCCESS)
break;
}
}

View File

@@ -0,0 +1,323 @@
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@@ -0,0 +1,103 @@
;********************************************************
; Scatter file for Armv8-A Startup code on FVP Base model
; Copyright (c) 2014-2017 Arm Limited (or its affiliates). All rights reserved.
; Use, modification and redistribution of this file is subject to your possession of a
; valid End User License Agreement for the Arm Product of which these examples are part of
; and your compliance with all applicable terms and conditions of such licence agreement.
;********************************************************
LOAD 0x80000000
{
EXEC +0
{
startup.o (StartUp, +FIRST)
* (+RO, +RW, +ZI)
}
;
; App stacks for all CPUs
; All stacks and heap are aligned to a cache-line boundary
;
ARM_LIB_STACK +0 ALIGN 64 EMPTY 8 * 0x4000 {}
;
; Separate heap - import symbol __use_two_region_memory
; in source code for this to work correctly
;
ARM_LIB_HEAP +0 ALIGN 64 EMPTY 0xA0000 {}
;
; Handler stacks for all CPUs
; All stacks and heap are aligned to a cache-line boundary
;
HANDLER_STACK +0 ALIGN 64 EMPTY 4 * 0x4000 {}
;
; Stacks for EL3
;
EL3_STACKS +0 ALIGN 64 EMPTY 8 * 0x1000 {}
;
; Strictly speaking, the L1 tables do not need to
; be so strongly aligned, but no matter
;
TTB0_L1 +0 ALIGN 4096 EMPTY 0x1000 {}
;
; Various sets of L2 tables
;
; Alignment is 4KB, since the code uses a 4K page
; granularity - larger granularities would require
; correspondingly stricter alignment
;
TTB0_L2_RAM +0 ALIGN 4096 EMPTY 0x1000 {}
TTB0_L2_PRIVATE +0 ALIGN 4096 EMPTY 0x1000 {}
TTB0_L2_PERIPH +0 ALIGN 4096 EMPTY 0x1000 {}
;
; The startup code uses the end of this region to calculate
; the top of memory - do not place any RAM regions after it
;
TOP_OF_RAM +0 EMPTY 4 {}
;
; CS3 Peripherals is a 64MB region from 0x1c000000
; that includes the following:
; System Registers at 0x1C010000
; UART0 (PL011) at 0x1C090000
; Color LCD Controller (PL111) at 0x1C1F0000
; plus a number of others.
; CS3_PERIPHERALS is used by the startup code for page-table generation
; This region is not truly empty, but we have no
; predefined objects that live within it
;
CS3_PERIPHERALS 0x1c000000 EMPTY 0x90000 {}
;
; Place the UART peripheral registers data structure
; This is only really needed if USE_SERIAL_PORT is defined, but
; the linker will remove unused sections if not needed
; PL011 0x1c090000 UNINIT 0x1000
; {
; uart.o (+ZI)
; }
; Note that some other CS3_PERIPHERALS follow this
;
; GICv3 distributor
;
GICD 0x2f000000 UNINIT 0x8000
{
GICv3_gicd.o (.bss.distributor)
}
;
; GICv3 redistributors
; 128KB for each redistributor in the system
;
GICR 0x2f100000 UNINIT 0x80000
{
GICv3_gicr.o (.bss.redistributor)
}
}

View File

@@ -0,0 +1,122 @@
// ------------------------------------------------------------
// SP804 Dual Timer
//
// Copyright (c) 2009-2017 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
// ------------------------------------------------------------
#include "sp804_timer.h"
#define TIMER_SP804_CTRL_TIMEREN (1 << 7)
#define TIMER_SP804_CTRL_TIMERMODE (1 << 6) // Bit 6:
#define TIMER_SP804_CTRL_INTENABLE (1 << 5)
#define TIMER_SP804_CTRL_TIMERSIZE (1 << 1) // Bit 1: 0=16-bit, 1=32-bit
#define TIMER_SP804_CTRL_ONESHOT (1 << 0) // Bit 0: 0=wrapping, 1=one-shot
#define TIMER_SP804_CTRL_PRESCALE_1 (0 << 2) // clk/1
#define TIMER_SP804_CTRL_PRESCALE_4 (1 << 2) // clk/4
#define TIMER_SP804_CTRL_PRESCALE_8 (2 << 2) // clk/8
struct sp804_timer
{
volatile uint32_t Time1Load; // +0x00
const volatile uint32_t Time1Value; // +0x04 - RO
volatile uint32_t Timer1Control; // +0x08
volatile uint32_t Timer1IntClr; // +0x0C - WO
const volatile uint32_t Timer1RIS; // +0x10 - RO
const volatile uint32_t Timer1MIS; // +0x14 - RO
volatile uint32_t Timer1BGLoad; // +0x18
volatile uint32_t Time2Load; // +0x20
volatile uint32_t Time2Value; // +0x24
volatile uint8_t Timer2Control; // +0x28
volatile uint32_t Timer2IntClr; // +0x2C - WO
const volatile uint32_t Timer2RIS; // +0x30 - RO
const volatile uint32_t Timer2MIS; // +0x34 - RO
volatile uint32_t Timer2BGLoad; // +0x38
// Not including ID registers
};
// Instance of the dual timer, will be placed using the scatter file
struct sp804_timer* dual_timer;
// Set base address of timer
// address - virtual address of SP804 timer
void setTimerBaseAddress(uint64_t address)
{
dual_timer = (struct sp804_timer*)address;
return;
}
// Sets up the private timer
// load_value - Initial value of timer
// auto_reload - Periodic (SP804_AUTORELOAD) or one shot (SP804_SINGLESHOT)
// interrupt - Whether to generate an interrupt
void initTimer(uint32_t load_value, uint32_t auto_reload, uint32_t interrupt)
{
uint32_t tmp = 0;
dual_timer->Time1Load = load_value;
// Fixed setting: 32-bit, no prescaling
tmp = TIMER_SP804_CTRL_TIMERSIZE | TIMER_SP804_CTRL_PRESCALE_1 | TIMER_SP804_CTRL_TIMERMODE;
// Settings from parameters: interrupt generation & reload
tmp = tmp | interrupt | auto_reload;
// Write control register
dual_timer->Timer1Control = tmp;
return;
}
// Starts the timer
void startTimer(void)
{
uint32_t tmp;
tmp = dual_timer->Timer1Control;
tmp = tmp | TIMER_SP804_CTRL_TIMEREN; // Set TimerEn (bit 7)
dual_timer->Timer1Control = tmp;
return;
}
// Stops the timer
void stopTimer(void)
{
uint32_t tmp;
tmp = dual_timer->Timer1Control;
tmp = tmp & ~TIMER_SP804_CTRL_TIMEREN; // Clear TimerEn (bit 7)
dual_timer->Timer1Control = tmp;
return;
}
// Returns the current timer count
uint32_t getTimerCount(void)
{
return dual_timer->Time1Value;
}
void clearTimerIrq(void)
{
// A write to this register, of any value, clears the interrupt
dual_timer->Timer1IntClr = 1;
}
// ------------------------------------------------------------
// End of sp804_timer.c
// ------------------------------------------------------------

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@@ -0,0 +1,53 @@
// ------------------------------------------------------------
// SP804 Dual Timer
// Header Filer
//
// Copyright (c) 2009-2017 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
// ------------------------------------------------------------
#ifndef _SP804_TIMER_
#define _SP804_TIMER_
#include <stdint.h>
// Set base address of timer
// address - virtual address of SP804 timer
void setTimerBaseAddress(uint64_t address);
// Sets up the private timer
// load_value - Initial value of timer
// auto_reload - Periodic (SP804_AUTORELOAD) or one shot (SP804_SINGLESHOT)
// interrupt - Whether to generate an interrupt
#define SP804_AUTORELOAD (0)
#define SP804_SINGLESHOT (1)
#define SP804_GENERATE_IRQ (1 << 5)
#define SP804_NO_IRQ (0)
void initTimer(uint32_t load_value, uint32_t auto_reload, uint32_t interrupt);
// Starts the timer
void startTimer(void);
// Stops the timer
void stopTimer(void);
// Returns the current timer count
uint32_t getTimerCount(void);
// Clears the timer interrupt
void clearTimerIrq(void);
#endif
// ------------------------------------------------------------
// End of sp804_timer.h
// ------------------------------------------------------------

View File

@@ -0,0 +1,779 @@
// ------------------------------------------------------------
// Armv8-A MPCore EL3 AArch64 Startup Code
//
// Basic Vectors, MMU, caches and GICv3 initialization
//
// Exits in EL1 AArch64
//
// Copyright (c) 2014-2019 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
// ------------------------------------------------------------
#include "v8_mmu.h"
#include "v8_system.h"
.section StartUp, "ax"
.balign 4
.cfi_sections .debug_frame // put stack frame info into .debug_frame instead of .eh_frame
.global el1_vectors
.global el2_vectors
.global el3_vectors
.global InvalidateUDCaches
.global ZeroBlock
.global SetPrivateIntSecurityBlock
.global SetSPISecurityAll
.global SetPrivateIntPriority
.global GetGICR
.global WakeupGICR
.global SyncAREinGICD
.global EnableGICD
.global EnablePrivateInt
.global GetPrivateIntPending
.global ClearPrivateIntPending
.global __main
//.global MainApp
.global Image$$EXEC$$RO$$Base
.global Image$$TTB0_L1$$ZI$$Base
.global Image$$TTB0_L2_RAM$$ZI$$Base
.global Image$$TTB0_L2_PERIPH$$ZI$$Base
.global Image$$TOP_OF_RAM$$ZI$$Base
.global Image$$GICD$$ZI$$Base
.global Image$$ARM_LIB_STACK$$ZI$$Limit
.global Image$$EL3_STACKS$$ZI$$Limit
.global Image$$CS3_PERIPHERALS$$ZI$$Base
// use separate stack and heap, as anticipated by scatter.scat
.global __use_two_region_memory
// ------------------------------------------------------------
.global start64
.type start64, "function"
start64:
//
// program the VBARs
//
ldr x1, =el1_vectors
msr VBAR_EL1, x1
ldr x1, =el2_vectors
msr VBAR_EL2, x1
ldr x1, =el3_vectors
msr VBAR_EL3, x1
// GIC-500 comes out of reset in GICv2 compatibility mode - first set
// system register enables for all relevant exception levels, and
// select GICv3 operating mode
//
msr SCR_EL3, xzr // Ensure NS bit is initially clear, so secure copy of ICC_SRE_EL1 can be configured
isb
mov x0, #15
msr ICC_SRE_EL3, x0
isb
msr ICC_SRE_EL1, x0 // Secure copy of ICC_SRE_EL1
//
// set lower exception levels as non-secure, with no access
// back to EL2 or EL3, and are AArch64 capable
//
mov x3, #(SCR_EL3_RW | \
SCR_EL3_SMD | \
SCR_EL3_NS) // Set NS bit, to access Non-secure registers
msr SCR_EL3, x3
isb
mov x0, #15
msr ICC_SRE_EL2, x0
isb
msr ICC_SRE_EL1, x0 // Non-secure copy of ICC_SRE_EL1
//
// no traps or VM modifications from the Hypervisor, EL1 is AArch64
//
mov x2, #HCR_EL2_RW
msr HCR_EL2, x2
//
// VMID is still significant, even when virtualisation is not
// being used, so ensure VTTBR_EL2 is properly initialised
//
msr VTTBR_EL2, xzr
//
// VMPIDR_EL2 holds the value of the Virtualization Multiprocessor ID. This is the value returned by Non-secure EL1 reads of MPIDR_EL1.
// VPIDR_EL2 holds the value of the Virtualization Processor ID. This is the value returned by Non-secure EL1 reads of MIDR_EL1.
// Both of these registers are architecturally UNKNOWN at reset, and so they must be set to the correct value
// (even if EL2/virtualization is not being used), otherwise non-secure EL1 reads of MPIDR_EL1/MIDR_EL1 will return garbage values.
// This guarantees that any future reads of MPIDR_EL1 and MIDR_EL1 from Non-secure EL1 will return the correct value.
//
mrs x0, MPIDR_EL1
msr VMPIDR_EL2, x0
mrs x0, MIDR_EL1
msr VPIDR_EL2, x0
// extract the core number from MPIDR_EL1 and store it in
// x19 (defined by the AAPCS as callee-saved), so we can re-use
// the number later
//
bl GetCPUID
mov x19, x0
//
// neither EL3 nor EL2 trap floating point or accesses to CPACR
//
msr CPTR_EL3, xzr
msr CPTR_EL2, xzr
//
// SCTLR_ELx may come out of reset with UNKNOWN values so we will
// set the fields to 0 except, possibly, the endianess field(s).
// Note that setting SCTLR_EL2 or the EL0 related fields of SCTLR_EL1
// is not strictly needed, since we're never in EL2 or EL0
//
#ifdef __ARM_BIG_ENDIAN
mov x0, #(SCTLR_ELx_EE | SCTLR_EL1_E0E)
#else
mov x0, #0
#endif
msr SCTLR_EL3, x0
msr SCTLR_EL2, x0
msr SCTLR_EL1, x0
#ifdef CORTEXA
//
// Configure ACTLR_EL[23]
// ----------------------
//
// These bits are IMPLEMENTATION DEFINED, so are different for
// different processors
//
// For Cortex-A57, the controls we set are:
//
// Enable lower level access to CPUACTLR_EL1
// Enable lower level access to CPUECTLR_EL1
// Enable lower level access to L2CTLR_EL1
// Enable lower level access to L2ECTLR_EL1
// Enable lower level access to L2ACTLR_EL1
//
mov x0, #((1 << 0) | \
(1 << 1) | \
(1 << 4) | \
(1 << 5) | \
(1 << 6))
msr ACTLR_EL3, x0
msr ACTLR_EL2, x0
//
// configure CPUECTLR_EL1
//
// These bits are IMP DEF, so need to different for different
// processors
//
// SMPEN - bit 6 - Enables the processor to receive cache
// and TLB maintenance operations
//
// Note: For Cortex-A57/53 SMPEN should be set before enabling
// the caches and MMU, or performing any cache and TLB
// maintenance operations.
//
// This register has a defined reset value, so we use a
// read-modify-write sequence to set SMPEN
//
mrs x0, S3_1_c15_c2_1 // Read EL1 CPU Extended Control Register
orr x0, x0, #(1 << 6) // Set the SMPEN bit
msr S3_1_c15_c2_1, x0 // Write EL1 CPU Extended Control Register
isb
#endif
//
// That's the last of the control settings for now
//
// Note: no ISB after all these changes, as registers won't be
// accessed until after an exception return, which is itself a
// context synchronisation event
//
//
// Setup some EL3 stack space, ready for calling some subroutines, below.
//
// Stack space allocation is CPU-specific, so use CPU
// number already held in x19
//
// 2^12 bytes per CPU for the EL3 stacks
//
ldr x0, =Image$$EL3_STACKS$$ZI$$Limit
sub x0, x0, x19, lsl #12
mov sp, x0
//
// we need to configure the GIC while still in secure mode, specifically
// all PPIs and SPIs have to be programmed as Group1 interrupts
//
//
// Before the GIC can be reliably programmed, we need to
// enable Affinity Routing, as this affects where the configuration
// registers are (with Affinity Routing enabled, some registers are
// in the Redistributor, whereas those same registers are in the
// Distributor with Affinity Routing disabled (i.e. when in GICv2
// compatibility mode).
//
mov x0, #(1 << 4) | (1 << 5) // gicdctlr_ARE_S | gicdctlr_ARE_NS
mov x1, x19
bl SyncAREinGICD
//
// The Redistributor comes out of reset assuming the processor is
// asleep - correct that assumption
//
bl GetAffinity
bl GetGICR
mov w20, w0 // Keep a copy for later
bl WakeupGICR
//
// Now we're ready to set security and other initialisations
//
// This is a per-CPU configuration for these interrupts
//
// for the first cluster, CPU number is the redistributor index
//
mov w0, w20
mov w1, #1 // gicigroupr_G1NS
bl SetPrivateIntSecurityBlock
//
// While we're in the Secure World, set the priority mask low enough
// for it to be writable in the Non-Secure World
//
//mov x0, #16 << 3 // 5 bits of priority in the Secure world
mov x0, #0xFF // for Non-Secure interrupts
msr ICC_PMR_EL1, x0
//
// there's more GIC setup to do, but only for the primary CPU
//
cbnz x19, drop_to_el1
//
// There's more to do to the GIC - call the utility routine to set
// all SPIs to Group1
//
mov w0, #1 // gicigroupr_G1NS
bl SetSPISecurityAll
//
// Set up EL1 entry point and "dummy" exception return information,
// then perform exception return to enter EL1
//
.global drop_to_el1
drop_to_el1:
adr x1, el1_entry_aarch64
msr ELR_EL3, x1
mov x1, #(AARCH64_SPSR_EL1h | \
AARCH64_SPSR_F | \
AARCH64_SPSR_I | \
AARCH64_SPSR_A)
msr SPSR_EL3, x1
eret
// ------------------------------------------------------------
// EL1 - Common start-up code
// ------------------------------------------------------------
.global el1_entry_aarch64
.type el1_entry_aarch64, "function"
el1_entry_aarch64:
//
// Now we're in EL1, setup the application stack
// the scatter file allocates 2^14 bytes per app stack
//
ldr x0, =Image$$HANDLER_STACK$$ZI$$Limit
sub x0, x0, x19, lsl #14
mov sp, x0
MSR SPSel, #0
ISB
ldr x0, =Image$$ARM_LIB_STACK$$ZI$$Limit
sub x0, x0, x19, lsl #14
mov sp, x0
//
// Enable floating point
//
mov x0, #CPACR_EL1_FPEN
msr CPACR_EL1, x0
//
// Invalidate caches and TLBs for all stage 1
// translations used at EL1
//
// Cortex-A processors automatically invalidate their caches on reset
// (unless suppressed with the DBGL1RSTDISABLE or L2RSTDISABLE pins).
// It is therefore not necessary for software to invalidate the caches
// on startup, however, this is done here in case of a warm reset.
bl InvalidateUDCaches
tlbi VMALLE1
//
// Set TTBR0 Base address
//
// The CPUs share one set of translation tables that are
// generated by CPU0 at run-time
//
// TTBR1_EL1 is not used in this example
//
ldr x1, =Image$$TTB0_L1$$ZI$$Base
msr TTBR0_EL1, x1
//
// Set up memory attributes
//
// These equate to:
//
// 0 -> 0b01000100 = 0x00000044 = Normal, Inner/Outer Non-Cacheable
// 1 -> 0b11111111 = 0x0000ff00 = Normal, Inner/Outer WriteBack Read/Write Allocate
// 2 -> 0b00000100 = 0x00040000 = Device-nGnRE
//
mov x1, #0xff44
movk x1, #4, LSL #16 // equiv to: movk x1, #0x0000000000040000
msr MAIR_EL1, x1
//
// Set up TCR_EL1
//
// We're using only TTBR0 (EPD1 = 1), and the page table entries:
// - are using an 8-bit ASID from TTBR0
// - have a 4K granularity (TG0 = 0b00)
// - are outer-shareable (SH0 = 0b10)
// - are using Inner & Outer WBWA Normal memory ([IO]RGN0 = 0b01)
// - map
// + 32 bits of VA space (T0SZ = 0x20)
// + into a 32-bit PA space (IPS = 0b000)
//
// 36 32 28 24 20 16 12 8 4 0
// -----+----+----+----+----+----+----+----+----+----+
// | | |OOII| | | |OOII| | |
// TT | | |RRRR|E T | T| |RRRR|E T | T|
// BB | I I|TTSS|GGGG|P 1 | 1|TTSS|GGGG|P 0 | 0|
// IIA| P P|GGHH|NNNN|DAS | S|GGHH|NNNN|D S | S|
// 10S| S-S|1111|1111|11Z-|---Z|0000|0000|0 Z-|---Z|
//
// 000 0000 0000 0000 1000 0000 0010 0101 0010 0000
//
// 0x 8 0 2 5 2 0
//
// Note: the ISB is needed to ensure the changes to system
// context are before the write of SCTLR_EL1.M to enable
// the MMU. It is likely on a "real" implementation that
// this setup would work without an ISB, due to the
// amount of code that gets executed before enabling the
// MMU, but that would not be architecturally correct.
//
ldr x1, =0x0000000000802520
msr TCR_EL1, x1
isb
//
// x19 already contains the CPU number, so branch to secondary
// code if we're not on CPU0
//
cbnz x19, el1_secondary
//
// Fall through to primary code
//
//
// ------------------------------------------------------------
//
// EL1 - primary CPU init code
//
// This code is run on CPU0, while the other CPUs are in the
// holding pen
//
.global el1_primary
.type el1_primary, "function"
el1_primary:
//
// Turn on the banked GIC distributor enable,
// ready for individual CPU enables later
//
mov w0, #(1 << 1) // gicdctlr_EnableGrp1A
bl EnableGICD
//
// Generate TTBR0 L1
//
// at 4KB granularity, 32-bit VA space, table lookup starts at
// L1, with 1GB regions
//
// we are going to create entries pointing to L2 tables for a
// couple of these 1GB regions, the first of which is the
// RAM on the VE board model - get the table addresses and
// start by emptying out the L1 page tables (4 entries at L1
// for a 4K granularity)
//
// x21 = address of L1 tables
//
ldr x21, =Image$$TTB0_L1$$ZI$$Base
mov x0, x21
mov x1, #(4 << 3)
bl ZeroBlock
//
// time to start mapping the RAM regions - clear out the
// L2 tables and point to them from the L1 tables
//
// x22 = address of L2 tables, needs to be remembered in case
// we want to re-use the tables for mapping peripherals
//
ldr x22, =Image$$TTB0_L2_RAM$$ZI$$Base
mov x1, #(512 << 3)
mov x0, x22
bl ZeroBlock
//
// Get the start address of RAM (the EXEC region) into x4
// and calculate the offset into the L1 table (1GB per region,
// max 4GB)
//
// x23 = L1 table offset, saved for later comparison against
// peripheral offset
//
ldr x4, =Image$$EXEC$$RO$$Base
ubfx x23, x4, #30, #2
orr x1, x22, #TT_S1_ATTR_PAGE
str x1, [x21, x23, lsl #3]
//
// we've already used the RAM start address in x4 - we now need
// to get this in terms of an offset into the L2 page tables,
// where each entry covers 2MB
//
ubfx x2, x4, #21, #9
//
// TOP_OF_RAM in the scatter file marks the end of the
// Execute region in RAM: convert the end of this region to an
// offset too, being careful to round up, then calculate the
// number of entries to write
//
ldr x5, =Image$$TOP_OF_RAM$$ZI$$Base
sub x3, x5, #1
ubfx x3, x3, #21, #9
add x3, x3, #1
sub x3, x3, x2
//
// set x1 to the required page table attributes, then orr
// in the start address (modulo 2MB)
//
// L2 tables in our configuration cover 2MB per entry - map
// memory as Shared, Normal WBWA (MAIR[1]) with a flat
// VA->PA translation
//
bic x4, x4, #((1 << 21) - 1)
ldr x1, =(TT_S1_ATTR_BLOCK | \
(1 << TT_S1_ATTR_MATTR_LSB) | \
TT_S1_ATTR_NS | \
TT_S1_ATTR_AP_RW_PL1 | \
TT_S1_ATTR_SH_INNER | \
TT_S1_ATTR_AF | \
TT_S1_ATTR_nG)
orr x1, x1, x4
//
// factor the offset into the page table address and then write
// the entries
//
add x0, x22, x2, lsl #3
loop1:
subs x3, x3, #1
str x1, [x0], #8
add x1, x1, #0x200, LSL #12 // equiv to add x1, x1, #(1 << 21) // 2MB per entry
bne loop1
//
// now mapping the Peripheral regions - clear out the
// L2 tables and point to them from the L1 tables
//
// The assumption here is that all peripherals live within
// a common 1GB region (i.e. that there's a single set of
// L2 pages for all the peripherals). We only use a UART
// and the GIC in this example, so the assumption is sound
//
// x24 = address of L2 peripheral tables
//
ldr x24, =Image$$TTB0_L2_PERIPH$$ZI$$Base
//
// get the GICD address into x4 and calculate
// the offset into the L1 table
//
// x25 = L1 table offset
//
ldr x4, =Image$$GICD$$ZI$$Base
ubfx x25, x4, #30, #2
//
// here's the tricky bit: it's possible that the peripherals are
// in the same 1GB region as the RAM, in which case we don't need
// to prime a separate set of L2 page tables, nor add them to the
// L1 tables
//
// if we're going to re-use the TTB0_L2_RAM tables, get their
// address into x24, which is used later on to write the PTEs
//
cmp x25, x23
csel x24, x22, x24, EQ
b.eq nol2setup
//
// Peripherals are in a separate 1GB region, and so have their own
// set of L2 tables - clean out the tables and add them to the L1
// table
//
mov x0, x24
mov x1, #512 << 3
bl ZeroBlock
orr x1, x24, #TT_S1_ATTR_PAGE
str x1, [x21, x25, lsl #3]
//
// there's only going to be a single 2MB region for GICD (in
// x4) - get this in terms of an offset into the L2 page tables
//
// with larger systems, it is possible that the GIC redistributor
// registers require extra 2MB pages, in which case extra code
// would be required here
//
nol2setup:
ubfx x2, x4, #21, #9
//
// set x1 to the required page table attributes, then orr
// in the start address (modulo 2MB)
//
// L2 tables in our configuration cover 2MB per entry - map
// memory as NS Device-nGnRE (MAIR[2]) with a flat VA->PA
// translation
//
bic x4, x4, #((1 << 21) - 1) // start address mod 2MB
ldr x1, =(TT_S1_ATTR_BLOCK | \
(2 << TT_S1_ATTR_MATTR_LSB) | \
TT_S1_ATTR_NS | \
TT_S1_ATTR_AP_RW_PL1 | \
TT_S1_ATTR_AF | \
TT_S1_ATTR_nG)
orr x1, x1, x4
//
// only a single L2 entry for this, so no loop as we have for RAM, above
//
str x1, [x24, x2, lsl #3]
//
// we have CS3_PERIPHERALS that include the UART controller
//
// Again, the code is making assumptions - this time that the CS3_PERIPHERALS
// region uses the same 1GB portion of the address space as the GICD,
// and thus shares the same set of L2 page tables
//
// Get CS3_PERIPHERALS address into x4 and calculate the offset into the
// L2 tables
//
ldr x4, =Image$$CS3_PERIPHERALS$$ZI$$Base
ubfx x2, x4, #21, #9
//
// set x1 to the required page table attributes, then orr
// in the start address (modulo 2MB)
//
// L2 tables in our configuration cover 2MB per entry - map
// memory as NS Device-nGnRE (MAIR[2]) with a flat VA->PA
// translation
//
bic x4, x4, #((1 << 21) - 1) // start address mod 2MB
ldr x1, =(TT_S1_ATTR_BLOCK | \
(2 << TT_S1_ATTR_MATTR_LSB) | \
TT_S1_ATTR_NS | \
TT_S1_ATTR_AP_RW_PL1 | \
TT_S1_ATTR_AF | \
TT_S1_ATTR_nG)
orr x1, x1, x4
//
// only a single L2 entry again - write it
//
str x1, [x24, x2, lsl #3]
//
// issue a barrier to ensure all table entry writes are complete
//
dsb ish
//
// Enable the MMU. Caches will be enabled later, after scatterloading.
//
mrs x1, SCTLR_EL1
orr x1, x1, #SCTLR_ELx_M
bic x1, x1, #SCTLR_ELx_A // Disable alignment fault checking. To enable, change bic to orr
msr SCTLR_EL1, x1
isb
//
// Branch to C library init code
//
b __main
// ------------------------------------------------------------
// AArch64 Arm C library startup add-in:
// The Arm Architecture Reference Manual for Armv8-A states:
//
// Instruction accesses to Non-cacheable Normal memory can be held in instruction caches.
// Correspondingly, the sequence for ensuring that modifications to instructions are available
// for execution must include invalidation of the modified locations from the instruction cache,
// even if the instructions are held in Normal Non-cacheable memory.
// This includes cases where the instruction cache is disabled.
//
// To invalidate the AArch64 instruction cache after scatter-loading and before initialization of the stack and heap,
// it is necessary for the user to:
//
// * Implement instruction cache invalidation code in _platform_pre_stackheap_init.
// * Ensure all code on the path from the program entry up to and including _platform_pre_stackheap_init is located in a root region.
//
// In this example, this function is only called once, by the primary core
.global _platform_pre_stackheap_init
.type _platform_pre_stackheap_init, "function"
.cfi_startproc
_platform_pre_stackheap_init:
dsb ish // ensure all previous stores have completed before invalidating
ic ialluis // I cache invalidate all inner shareable to PoU (which includes secondary cores)
dsb ish // ensure completion on inner shareable domain (which includes secondary cores)
isb
// Scatter-loading is complete, so enable the caches here, so that the C-library's mutex initialization later will work
mrs x1, SCTLR_EL1
orr x1, x1, #SCTLR_ELx_C
orr x1, x1, #SCTLR_ELx_I
msr SCTLR_EL1, x1
isb
ret
.cfi_endproc
// ------------------------------------------------------------
// EL1 - secondary CPU init code
//
// This code is run on CPUs 1, 2, 3 etc....
// ------------------------------------------------------------
.global el1_secondary
.type el1_secondary, "function"
el1_secondary:
//
// the primary CPU is going to use SGI 15 as a wakeup event
// to let us know when it is OK to proceed, so prepare for
// receiving that interrupt
//
// NS interrupt priorities run from 0 to 15, with 15 being
// too low a priority to ever raise an interrupt, so let's
// use 14
//
mov w0, w20
mov w1, #15
mov w2, #14 << 4 // we're in NS world, so 4 bits of priority,
// 8-bit field, - 4 = 4-bit shift
bl SetPrivateIntPriority
mov w0, w20
mov w1, #15
bl EnablePrivateInt
//
// set priority mask as low as possible; although,being in the
// NS World, we can't set bit[7] of the priority, we still
// write all 8-bits of priority to an ICC register
//
mov x0, #31 << 3
msr ICC_PMR_EL1, x0
//
// set global enable and wait for our interrupt to arrive
//
mov x0, #1
msr ICC_IGRPEN1_EL1, x0
isb
loop_wfi:
dsb SY // Clear all pending data accesses
wfi // Go to sleep
//
// something woke us from our wait, was it the required interrupt?
//
mov w0, w20
mov w1, #15
bl GetPrivateIntPending
cbz w0, loop_wfi
//
// it was - there's no need to actually take the interrupt,
// so just clear it
//
mov w0, w20
mov w1, #15
bl ClearPrivateIntPending
//
// Enable the MMU and caches
//
mrs x1, SCTLR_EL1
orr x1, x1, #SCTLR_ELx_M
orr x1, x1, #SCTLR_ELx_C
orr x1, x1, #SCTLR_ELx_I
bic x1, x1, #SCTLR_ELx_A // Disable alignment fault checking. To enable, change bic to orr
msr SCTLR_EL1, x1
isb
//
// Branch to thread start
//
//B MainApp
b __main

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/* Bare-metal example for Armv8-A FVP Base model */
/* Timer and interrupts */
/* Copyright (c) 2016-2018 Arm Limited (or its affiliates). All rights reserved. */
/* Use, modification and redistribution of this file is subject to your possession of a */
/* valid End User License Agreement for the Arm Product of which these examples are part of */
/* and your compliance with all applicable terms and conditions of such licence agreement. */
#include <stdio.h>
#include "GICv3.h"
#include "GICv3_gicc.h"
#include "sp804_timer.h"
void _tx_timer_interrupt(void);
// LED Base address
#define LED_BASE (volatile unsigned int *)0x1C010008
void nudge_leds(void) // Move LEDs along
{
static int state = 1;
static int value = 1;
if (state)
{
int max = (1 << 7);
value <<= 1;
if (value == max)
state = 0;
}
else
{
value >>= 1;
if (value == 1)
state = 1;
}
*LED_BASE = value; // Update LEDs hardware
}
// Initialize Timer 0 and Interrupt Controller
void init_timer(void)
{
// Enable interrupts
__asm("MSR DAIFClr, #0xF");
setICC_IGRPEN1_EL1(igrpEnable);
// Configure the SP804 timer to generate an interrupt
setTimerBaseAddress(0x1C110000);
initTimer(0x200, SP804_AUTORELOAD, SP804_GENERATE_IRQ);
startTimer();
// The SP804 timer generates SPI INTID 34. Enable
// this ID, and route it to core 0.0.0.0 (this one!)
SetSPIRoute(34, 0, gicdirouter_ModeSpecific); // Route INTID 34 to 0.0.0.0 (this core)
SetSPIPriority(34, 0); // Set INTID 34 to priority to 0
ConfigureSPI(34, gicdicfgr_Level); // Set INTID 34 as level-sensitive
EnableSPI(34); // Enable INTID 34
}
// --------------------------------------------------------
void irqHandler(void)
{
unsigned int ID;
ID = getICC_IAR1(); // readIntAck();
// Check for reserved IDs
if ((1020 <= ID) && (ID <= 1023))
{
//printf("irqHandler() - Reserved INTID %d\n\n", ID);
return;
}
switch(ID)
{
case 34:
// Dual-Timer 0 (SP804)
//printf("irqHandler() - External timer interrupt\n\n");
nudge_leds();
clearTimerIrq();
/* Call ThreadX timer interrupt processing. */
_tx_timer_interrupt();
break;
default:
// Unexpected ID value
//printf("irqHandler() - Unexpected INTID %d\n\n", ID);
break;
}
// Write the End of Interrupt register to tell the GIC
// we've finished handling the interrupt
setICC_EOIR1(ID); // writeAliasedEOI(ID);
}
// --------------------------------------------------------
// Not actually used in this example, but provided for completeness
void fiqHandler(void)
{
unsigned int ID;
unsigned int aliased = 0;
ID = getICC_IAR0(); // readIntAck();
//printf("fiqHandler() - Read %d from IAR0\n", ID);
// Check for reserved IDs
if ((1020 <= ID) && (ID <= 1023))
{
//printf("fiqHandler() - Reserved INTID %d\n\n", ID);
ID = getICC_IAR1(); // readAliasedIntAck();
//printf("fiqHandler() - Read %d from AIAR\n", ID);
aliased = 1;
// If still spurious then simply return
if ((1020 <= ID) && (ID <= 1023))
return;
}
switch(ID)
{
case 34:
// Dual-Timer 0 (SP804)
//printf("fiqHandler() - External timer interrupt\n\n");
clearTimerIrq();
break;
default:
// Unexpected ID value
//printf("fiqHandler() - Unexpected INTID %d\n\n", ID);
break;
}
// Write the End of Interrupt register to tell the GIC
// we've finished handling the interrupt
// NOTE: If the ID was read from the Aliased IAR, then
// the aliased EOI register must be used
if (aliased == 0)
setICC_EOIR0(ID); // writeEOI(ID);
else
setICC_EOIR1(ID); // writeAliasedEOI(ID);
}

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Initialize */
/** */
/**************************************************************************/
/**************************************************************************/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_initialize_low_level Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for any low-level processor */
/* initialization, including setting up interrupt vectors, setting */
/* up a periodic timer interrupt source, saving the system stack */
/* pointer for use in ISR processing later, and finding the first */
/* available RAM memory address for tx_application_define. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_initialize_kernel_enter ThreadX entry function */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
// VOID _tx_initialize_low_level(VOID)
// {
.global _tx_initialize_low_level
.type _tx_initialize_low_level, @function
_tx_initialize_low_level:
MSR DAIFSet, 0x3 // Lockout interrupts
/* Save the system stack pointer. */
// _tx_thread_system_stack_ptr = (VOID_PTR) (sp);
LDR x0, =_tx_thread_system_stack_ptr // Pickup address of system stack ptr
MOV x1, sp // Pickup SP
BIC x1, x1, #0xF // Get 16-bit alignment
STR x1, [x0] // Store system stack
/* Save the first available memory address. */
/* _tx_initialize_unused_memory = (VOID_PTR) Image$$ZI$$Limit; */
LDR x0, =_tx_initialize_unused_memory // Pickup address of unused memory ptr
LDR x1, =zi_limit // Pickup unused memory address
LDR x1, [x1] //
STR x1, [x0] // Store unused memory address
/* Done, return to caller. */
RET // Return to caller
// }
zi_limit:
.quad (Image$$TOP_OF_RAM$$Base)

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// ------------------------------------------------------------
// Armv8-A AArch64 - Common helper functions
//
// Copyright (c) 2012-2019 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
// ------------------------------------------------------------
#include "v8_system.h"
.text
.cfi_sections .debug_frame // put stack frame info into .debug_frame instead of .eh_frame
.global EnableCachesEL1
.global DisableCachesEL1
.global InvalidateUDCaches
.global GetMIDR
.global GetMPIDR
.global GetAffinity
.global GetCPUID
// ------------------------------------------------------------
//
// void EnableCachesEL1(void)
//
// enable Instruction and Data caches
//
.type EnableCachesEL1, "function"
.cfi_startproc
EnableCachesEL1:
mrs x0, SCTLR_EL1
orr x0, x0, #SCTLR_ELx_I
orr x0, x0, #SCTLR_ELx_C
msr SCTLR_EL1, x0
isb
ret
.cfi_endproc
// ------------------------------------------------------------
.type DisableCachesEL1, "function"
.cfi_startproc
DisableCachesEL1:
mrs x0, SCTLR_EL1
bic x0, x0, #SCTLR_ELx_I
bic x0, x0, #SCTLR_ELx_C
msr SCTLR_EL1, x0
isb
ret
.cfi_endproc
// ------------------------------------------------------------
//
// void InvalidateUDCaches(void)
//
// Invalidate data and unified caches
//
.type InvalidateUDCaches, "function"
.cfi_startproc
InvalidateUDCaches:
// From the Armv8-A Architecture Reference Manual
dmb ish // ensure all prior inner-shareable accesses have been observed
mrs x0, CLIDR_EL1
and w3, w0, #0x07000000 // get 2 x level of coherence
lsr w3, w3, #23
cbz w3, finished
mov w10, #0 // w10 = 2 x cache level
mov w8, #1 // w8 = constant 0b1
loop_level:
add w2, w10, w10, lsr #1 // calculate 3 x cache level
lsr w1, w0, w2 // extract 3-bit cache type for this level
and w1, w1, #0x7
cmp w1, #2
b.lt next_level // no data or unified cache at this level
msr CSSELR_EL1, x10 // select this cache level
isb // synchronize change of csselr
mrs x1, CCSIDR_EL1 // read ccsidr
and w2, w1, #7 // w2 = log2(linelen)-4
add w2, w2, #4 // w2 = log2(linelen)
ubfx w4, w1, #3, #10 // w4 = max way number, right aligned
clz w5, w4 // w5 = 32-log2(ways), bit position of way in dc operand
lsl w9, w4, w5 // w9 = max way number, aligned to position in dc operand
lsl w16, w8, w5 // w16 = amount to decrement way number per iteration
loop_way:
ubfx w7, w1, #13, #15 // w7 = max set number, right aligned
lsl w7, w7, w2 // w7 = max set number, aligned to position in dc operand
lsl w17, w8, w2 // w17 = amount to decrement set number per iteration
loop_set:
orr w11, w10, w9 // w11 = combine way number and cache number ...
orr w11, w11, w7 // ... and set number for dc operand
dc isw, x11 // do data cache invalidate by set and way
subs w7, w7, w17 // decrement set number
b.ge loop_set
subs x9, x9, x16 // decrement way number
b.ge loop_way
next_level:
add w10, w10, #2 // increment 2 x cache level
cmp w3, w10
b.gt loop_level
dsb sy // ensure completion of previous cache maintenance operation
isb
finished:
ret
.cfi_endproc
// ------------------------------------------------------------
//
// ID Register functions
//
.type GetMIDR, "function"
.cfi_startproc
GetMIDR:
mrs x0, MIDR_EL1
ret
.cfi_endproc
.type GetMPIDR, "function"
.cfi_startproc
GetMPIDR:
mrs x0, MPIDR_EL1
ret
.cfi_endproc
.type GetAffinity, "function"
.cfi_startproc
GetAffinity:
mrs x0, MPIDR_EL1
ubfx x1, x0, #32, #8
bfi w0, w1, #24, #8
ret
.cfi_endproc
.type GetCPUID, "function"
.cfi_startproc
GetCPUID:
mrs x0, MIDR_EL1
ubfx x0, x0, #4, #12 // extract PartNum
cmp x0, #0xD0D // Cortex-A77
b.eq DynamIQ
cmp x0, #0xD0B // Cortex-A76
b.eq DynamIQ
cmp x0, #0xD0A // Cortex-A75
b.eq DynamIQ
cmp x0, #0xD05 // Cortex-A55
b.eq DynamIQ
b Others
DynamIQ:
mrs x0, MPIDR_EL1
ubfx x0, x0, #MPIDR_EL1_AFF1_LSB, #MPIDR_EL1_AFF_WIDTH
ret
Others:
mrs x0, MPIDR_EL1
ubfx x1, x0, #MPIDR_EL1_AFF0_LSB, #MPIDR_EL1_AFF_WIDTH
ubfx x2, x0, #MPIDR_EL1_AFF1_LSB, #MPIDR_EL1_AFF_WIDTH
add x0, x1, x2, LSL #2
ret
.cfi_endproc

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/*
*
* Armv8-A AArch64 common helper functions
*
* Copyright (c) 2012-2014 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#ifndef V8_AARCH64_H
#define V8_AARCH64_H
/*
* Parameters for data barriers
*/
#define OSHLD 1
#define OSHST 2
#define OSH 3
#define NSHLD 5
#define NSHST 6
#define NSH 7
#define ISHLD 9
#define ISHST 10
#define ISH 11
#define LD 13
#define ST 14
#define SY 15
/**********************************************************************/
/*
* function prototypes
*/
/*
* void InvalidateUDCaches(void)
* invalidates all Unified and Data Caches
*
* Inputs
* <none>
*
* Returns
* <nothing>
*
* Side Effects
* guarantees that all levels of cache will be invalidated before
* returning to caller
*/
void InvalidateUDCaches(void);
/*
* unsigned long long EnableCachesEL1(void)
* enables I- and D- caches at EL1
*
* Inputs
* <none>
*
* Returns
* New value of SCTLR_EL1
*
* Side Effects
* context will be synchronised before returning to caller
*/
unsigned long long EnableCachesEL1(void);
/*
* unsigned long long GetMIDR(void)
* returns the contents of MIDR_EL0
*
* Inputs
* <none>
*
* Returns
* MIDR_EL0
*/
unsigned long long GetMIDR(void);
/*
* unsigned long long GetMPIDR(void)
* returns the contents of MPIDR_EL0
*
* Inputs
* <none>
*
* Returns
* MPIDR_EL0
*/
unsigned long long GetMPIDR(void);
/*
* unsigned int GetCPUID(void)
* returns the Aff0 field of MPIDR_EL0
*
* Inputs
* <none>
*
* Returns
* MPIDR_EL0[7:0]
*/
unsigned int GetCPUID(void);
#endif

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//
// Defines for v8 Memory Model
//
// Copyright (c) 2012-2019 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
//
#ifndef V8_MMU_H
#define V8_MMU_H
//
// Translation Control Register fields
//
// RGN field encodings
//
#define TCR_RGN_NC 0b00
#define TCR_RGN_WBWA 0b01
#define TCR_RGN_WT 0b10
#define TCR_RGN_WBRA 0b11
//
// Shareability encodings
//
#define TCR_SHARE_NONE 0b00
#define TCR_SHARE_OUTER 0b10
#define TCR_SHARE_INNER 0b11
//
// Granule size encodings
//
#define TCR_GRANULE_4K 0b00
#define TCR_GRANULE_64K 0b01
#define TCR_GRANULE_16K 0b10
//
// Physical Address sizes
//
#define TCR_SIZE_4G 0b000
#define TCR_SIZE_64G 0b001
#define TCR_SIZE_1T 0b010
#define TCR_SIZE_4T 0b011
#define TCR_SIZE_16T 0b100
#define TCR_SIZE_256T 0b101
//
// Translation Control Register fields
//
#define TCR_EL1_T0SZ_SHIFT 0
#define TCR_EL1_EPD0 (1 << 7)
#define TCR_EL1_IRGN0_SHIFT 8
#define TCR_EL1_ORGN0_SHIFT 10
#define TCR_EL1_SH0_SHIFT 12
#define TCR_EL1_TG0_SHIFT 14
#define TCR_EL1_T1SZ_SHIFT 16
#define TCR_EL1_A1 (1 << 22)
#define TCR_EL1_EPD1 (1 << 23)
#define TCR_EL1_IRGN1_SHIFT 24
#define TCR_EL1_ORGN1_SHIFT 26
#define TCR_EL1_SH1_SHIFT 28
#define TCR_EL1_TG1_SHIFT 30
#define TCR_EL1_IPS_SHIFT 32
#define TCR_EL1_AS (1 << 36)
#define TCR_EL1_TBI0 (1 << 37)
#define TCR_EL1_TBI1 (1 << 38)
//
// Stage 1 Translation Table descriptor fields
//
#define TT_S1_ATTR_FAULT (0b00 << 0)
#define TT_S1_ATTR_BLOCK (0b01 << 0) // Level 1/2
#define TT_S1_ATTR_TABLE (0b11 << 0) // Level 0/1/2
#define TT_S1_ATTR_PAGE (0b11 << 0) // Level 3
#define TT_S1_ATTR_MATTR_LSB 2
#define TT_S1_ATTR_NS (1 << 5)
#define TT_S1_ATTR_AP_RW_PL1 (0b00 << 6)
#define TT_S1_ATTR_AP_RW_ANY (0b01 << 6)
#define TT_S1_ATTR_AP_RO_PL1 (0b10 << 6)
#define TT_S1_ATTR_AP_RO_ANY (0b11 << 6)
#define TT_S1_ATTR_SH_NONE (0b00 << 8)
#define TT_S1_ATTR_SH_OUTER (0b10 << 8)
#define TT_S1_ATTR_SH_INNER (0b11 << 8)
#define TT_S1_ATTR_AF (1 << 10)
#define TT_S1_ATTR_nG (1 << 11)
// OA bits [15:12] - If Armv8.2-LPA is implemented, bits[15:12] are bits[51:48]
// and bits[47:16] are bits[47:16] of the output address for a page of memory
#define TT_S1_ATTR_nT (1 << 16) // Present if Armv8.4-TTRem is implemented, otherwise RES0
#define TT_S1_ATTR_DBM (1 << 51) // Present if Armv8.1-TTHM is implemented, otherwise RES0
#define TT_S1_ATTR_CONTIG (1 << 52)
#define TT_S1_ATTR_PXN (1 << 53)
#define TT_S1_ATTR_UXN (1 << 54)
// PBHA bits[62:59] - If Armv8.2-TTPBHA is implemented, hardware can use these bits
// for IMPLEMENTATIONDEFINED purposes, otherwise IGNORED
#define TT_S1_MAIR_DEV_nGnRnE 0b00000000
#define TT_S1_MAIR_DEV_nGnRE 0b00000100
#define TT_S1_MAIR_DEV_nGRE 0b00001000
#define TT_S1_MAIR_DEV_GRE 0b00001100
//
// Inner and Outer Normal memory attributes use the same bit patterns
// Outer attributes just need to be shifted up
//
#define TT_S1_MAIR_OUTER_SHIFT 4
#define TT_S1_MAIR_WT_TRANS_RA 0b0010
#define TT_S1_MAIR_WB_TRANS_RA 0b0110
#define TT_S1_MAIR_WB_TRANS_RWA 0b0111
#define TT_S1_MAIR_WT_RA 0b1010
#define TT_S1_MAIR_WB_RA 0b1110
#define TT_S1_MAIR_WB_RWA 0b1111
#endif // V8_MMU_H

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//
// Defines for v8 System Registers
//
// Copyright (c) 2012-2016 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
//
#ifndef V8_SYSTEM_H
#define V8_SYSTEM_H
//
// AArch64 SPSR
//
#define AARCH64_SPSR_EL3h 0b1101
#define AARCH64_SPSR_EL3t 0b1100
#define AARCH64_SPSR_EL2h 0b1001
#define AARCH64_SPSR_EL2t 0b1000
#define AARCH64_SPSR_EL1h 0b0101
#define AARCH64_SPSR_EL1t 0b0100
#define AARCH64_SPSR_EL0t 0b0000
#define AARCH64_SPSR_RW (1 << 4)
#define AARCH64_SPSR_F (1 << 6)
#define AARCH64_SPSR_I (1 << 7)
#define AARCH64_SPSR_A (1 << 8)
#define AARCH64_SPSR_D (1 << 9)
#define AARCH64_SPSR_IL (1 << 20)
#define AARCH64_SPSR_SS (1 << 21)
#define AARCH64_SPSR_V (1 << 28)
#define AARCH64_SPSR_C (1 << 29)
#define AARCH64_SPSR_Z (1 << 30)
#define AARCH64_SPSR_N (1 << 31)
//
// Multiprocessor Affinity Register
//
#define MPIDR_EL1_AFF3_LSB 32
#define MPIDR_EL1_U (1 << 30)
#define MPIDR_EL1_MT (1 << 24)
#define MPIDR_EL1_AFF2_LSB 16
#define MPIDR_EL1_AFF1_LSB 8
#define MPIDR_EL1_AFF0_LSB 0
#define MPIDR_EL1_AFF_WIDTH 8
//
// Data Cache Zero ID Register
//
#define DCZID_EL0_BS_LSB 0
#define DCZID_EL0_BS_WIDTH 4
#define DCZID_EL0_DZP_LSB 5
#define DCZID_EL0_DZP (1 << 5)
//
// System Control Register
//
#define SCTLR_EL1_UCI (1 << 26)
#define SCTLR_ELx_EE (1 << 25)
#define SCTLR_EL1_E0E (1 << 24)
#define SCTLR_ELx_WXN (1 << 19)
#define SCTLR_EL1_nTWE (1 << 18)
#define SCTLR_EL1_nTWI (1 << 16)
#define SCTLR_EL1_UCT (1 << 15)
#define SCTLR_EL1_DZE (1 << 14)
#define SCTLR_ELx_I (1 << 12)
#define SCTLR_EL1_UMA (1 << 9)
#define SCTLR_EL1_SED (1 << 8)
#define SCTLR_EL1_ITD (1 << 7)
#define SCTLR_EL1_THEE (1 << 6)
#define SCTLR_EL1_CP15BEN (1 << 5)
#define SCTLR_EL1_SA0 (1 << 4)
#define SCTLR_ELx_SA (1 << 3)
#define SCTLR_ELx_C (1 << 2)
#define SCTLR_ELx_A (1 << 1)
#define SCTLR_ELx_M (1 << 0)
//
// Architectural Feature Access Control Register
//
#define CPACR_EL1_TTA (1 << 28)
#define CPACR_EL1_FPEN (3 << 20)
//
// Architectural Feature Trap Register
//
#define CPTR_ELx_TCPAC (1 << 31)
#define CPTR_ELx_TTA (1 << 20)
#define CPTR_ELx_TFP (1 << 10)
//
// Secure Configuration Register
//
#define SCR_EL3_TWE (1 << 13)
#define SCR_EL3_TWI (1 << 12)
#define SCR_EL3_ST (1 << 11)
#define SCR_EL3_RW (1 << 10)
#define SCR_EL3_SIF (1 << 9)
#define SCR_EL3_HCE (1 << 8)
#define SCR_EL3_SMD (1 << 7)
#define SCR_EL3_EA (1 << 3)
#define SCR_EL3_FIQ (1 << 2)
#define SCR_EL3_IRQ (1 << 1)
#define SCR_EL3_NS (1 << 0)
//
// Hypervisor Configuration Register
//
#define HCR_EL2_ID (1 << 33)
#define HCR_EL2_CD (1 << 32)
#define HCR_EL2_RW (1 << 31)
#define HCR_EL2_TRVM (1 << 30)
#define HCR_EL2_HVC (1 << 29)
#define HCR_EL2_TDZ (1 << 28)
#endif // V8_SYSTEM_H

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//
// Simple utility routines for baremetal v8 code
//
// Copyright (c) 2013-2017 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
//
#include "v8_system.h"
.text
.cfi_sections .debug_frame // put stack frame info into .debug_frame instead of .eh_frame
//
// void *ZeroBlock(void *blockPtr, unsigned int nBytes)
//
// Zero fill a block of memory
// Fill memory pages or similar structures with zeros.
// The byte count must be a multiple of the block fill size (16 bytes)
//
// Inputs:
// blockPtr - base address of block to fill
// nBytes - block size, in bytes
//
// Returns:
// pointer to just filled block, NULL if nBytes is
// incompatible with block fill size
//
.global ZeroBlock
.type ZeroBlock, "function"
.cfi_startproc
ZeroBlock:
//
// we fill data by steam, 16 bytes at a time: check that
// blocksize is a multiple of that
//
ubfx x2, x1, #0, #4
cbnz x2, incompatible
//
// we already have one register full of zeros, get another
//
mov x3, x2
//
// OK, set temporary pointer and away we go
//
add x0, x0, x1
loop0:
subs x1, x1, #16
stp x2, x3, [x0, #-16]!
b.ne loop0
//
// that's all - x0 will be back to its start value
//
ret
//
// parameters are incompatible with block size - return
// an indication that this is so
//
incompatible:
mov x0,#0
ret
.cfi_endproc

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// ------------------------------------------------------------
// Armv8-A Vector tables
//
// Copyright (c) 2014-2016 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
// ------------------------------------------------------------
.global el1_vectors
.global el2_vectors
.global el3_vectors
.global c0sync1
.global irqHandler
.global fiqHandler
.global irqFirstLevelHandler
.global fiqFirstLevelHandler
.section EL1VECTORS, "ax"
.align 11
//
// Current EL with SP0
//
el1_vectors:
c0sync1: B c0sync1
.balign 0x80
c0irq1: B irqFirstLevelHandler
.balign 0x80
c0fiq1: B fiqFirstLevelHandler
.balign 0x80
c0serr1: B c0serr1
//
// Current EL with SPx
//
.balign 0x80
cxsync1: B cxsync1
.balign 0x80
cxirq1: B irqFirstLevelHandler
.balign 0x80
cxfiq1: B fiqFirstLevelHandler
.balign 0x80
cxserr1: B cxserr1
//
// Lower EL using AArch64
//
.balign 0x80
l64sync1: B l64sync1
.balign 0x80
l64irq1: B irqFirstLevelHandler
.balign 0x80
l64fiq1: B fiqFirstLevelHandler
.balign 0x80
l64serr1: B l64serr1
//
// Lower EL using AArch32
//
.balign 0x80
l32sync1: B l32sync1
.balign 0x80
l32irq1: B irqFirstLevelHandler
.balign 0x80
l32fiq1: B fiqFirstLevelHandler
.balign 0x80
l32serr1: B l32serr1
//----------------------------------------------------------------
.section EL2VECTORS, "ax"
.align 11
//
// Current EL with SP0
//
el2_vectors:
c0sync2: B c0sync2
.balign 0x80
c0irq2: B irqFirstLevelHandler
.balign 0x80
c0fiq2: B fiqFirstLevelHandler
.balign 0x80
c0serr2: B c0serr2
//
// Current EL with SPx
//
.balign 0x80
cxsync2: B cxsync2
.balign 0x80
cxirq2: B irqFirstLevelHandler
.balign 0x80
cxfiq2: B fiqFirstLevelHandler
.balign 0x80
cxserr2: B cxserr2
//
// Lower EL using AArch64
//
.balign 0x80
l64sync2: B l64sync2
.balign 0x80
l64irq2: B irqFirstLevelHandler
.balign 0x80
l64fiq2: B fiqFirstLevelHandler
.balign 0x80
l64serr2: B l64serr2
//
// Lower EL using AArch32
//
.balign 0x80
l32sync2: B l32sync2
.balign 0x80
l32irq2: B irqFirstLevelHandler
.balign 0x80
l32fiq2: B fiqFirstLevelHandler
.balign 0x80
l32serr2: B l32serr2
//----------------------------------------------------------------
.section EL3VECTORS, "ax"
.align 11
//
// Current EL with SP0
//
el3_vectors:
c0sync3: B c0sync3
.balign 0x80
c0irq3: B irqFirstLevelHandler
.balign 0x80
c0fiq3: B fiqFirstLevelHandler
.balign 0x80
c0serr3: B c0serr3
//
// Current EL with SPx
//
.balign 0x80
cxsync3: B cxsync3
.balign 0x80
cxirq3: B irqFirstLevelHandler
.balign 0x80
cxfiq3: B fiqFirstLevelHandler
.balign 0x80
cxserr3: B cxserr3
//
// Lower EL using AArch64
//
.balign 0x80
l64sync3: B l64sync3
.balign 0x80
l64irq3: B irqFirstLevelHandler
.balign 0x80
l64fiq3: B fiqFirstLevelHandler
.balign 0x80
l64serr3: B l64serr3
//
// Lower EL using AArch32
//
.balign 0x80
l32sync3: B l32sync3
.balign 0x80
l32irq3: B irqFirstLevelHandler
.balign 0x80
l32fiq3: B fiqFirstLevelHandler
.balign 0x80
l32serr3: B l32serr3
.section InterruptHandlers, "ax"
.balign 4
.type irqFirstLevelHandler, "function"
irqFirstLevelHandler:
MSR SPSel, 0
STP x29, x30, [sp, #-16]!
BL _tx_thread_context_save
BL irqHandler
B _tx_thread_context_restore
.type fiqFirstLevelHandler, "function"
fiqFirstLevelHandler:
STP x29, x30, [sp, #-16]!
STP x18, x19, [sp, #-16]!
STP x16, x17, [sp, #-16]!
STP x14, x15, [sp, #-16]!
STP x12, x13, [sp, #-16]!
STP x10, x11, [sp, #-16]!
STP x8, x9, [sp, #-16]!
STP x6, x7, [sp, #-16]!
STP x4, x5, [sp, #-16]!
STP x2, x3, [sp, #-16]!
STP x0, x1, [sp, #-16]!
BL fiqHandler
LDP x0, x1, [sp], #16
LDP x2, x3, [sp], #16
LDP x4, x5, [sp], #16
LDP x6, x7, [sp], #16
LDP x8, x9, [sp], #16
LDP x10, x11, [sp], #16
LDP x12, x13, [sp], #16
LDP x14, x15, [sp], #16
LDP x16, x17, [sp], #16
LDP x18, x19, [sp], #16
LDP x29, x30, [sp], #16
ERET

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View File

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View File

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/* This is a small demo of the high-performance ThreadX kernel running as a module. It includes
examples of eight threads of different priorities, using a message queue, semaphore, mutex,
event flags group, byte pool, and block pool. */
/* Specify that this is a module! */
#define TXM_MODULE
/* Include the ThreadX module definitions. */
#include "txm_module.h"
/* Define constants. */
#define DEMO_BYTE_POOL_SIZE (1024 * 48)
#define DEMO_STACK_SIZE (1024 * 4)
#define DEMO_BLOCK_POOL_SIZE 100
#define DEMO_QUEUE_SIZE 100
/* Define the pool space in the bss section of the module. ULONG is used to
get the word alignment. */
ULONG demo_module_pool_space[DEMO_BYTE_POOL_SIZE / sizeof(ULONG)];
/* Define the ThreadX object control blocks... */
TX_THREAD *thread_0;
TX_THREAD *thread_1;
TX_THREAD *thread_2;
TX_THREAD *thread_3;
TX_THREAD *thread_4;
TX_THREAD *thread_5;
TX_THREAD *thread_6;
TX_THREAD *thread_7;
TX_QUEUE *queue_0;
TX_SEMAPHORE *semaphore_0;
TX_MUTEX *mutex_0;
TX_EVENT_FLAGS_GROUP *event_flags_0;
TX_BYTE_POOL *byte_pool_0;
TX_BLOCK_POOL *block_pool_0;
/* Define the counters used in the demo application... */
ULONG thread_0_counter = 0;
ULONG thread_1_counter = 0;
ULONG thread_1_messages_sent = 0;
ULONG thread_2_counter = 0;
ULONG thread_2_messages_received = 0;
ULONG thread_3_counter = 0;
ULONG thread_4_counter = 0;
ULONG thread_5_counter = 0;
ULONG thread_6_counter = 0;
ULONG thread_7_counter = 0;
ULONG semaphore_0_puts = 0;
ULONG event_0_sets = 0;
ULONG queue_0_sends = 0;
/* Define thread prototypes. */
void thread_0_entry(ULONG thread_input);
void thread_1_entry(ULONG thread_input);
void thread_2_entry(ULONG thread_input);
void thread_3_and_4_entry(ULONG thread_input);
void thread_5_entry(ULONG thread_input);
void thread_6_and_7_entry(ULONG thread_input);
void semaphore_0_notify(TX_SEMAPHORE *semaphore_ptr)
{
if (semaphore_ptr == semaphore_0)
semaphore_0_puts++;
}
void event_0_notify(TX_EVENT_FLAGS_GROUP *event_flag_group_ptr)
{
if (event_flag_group_ptr == event_flags_0)
event_0_sets++;
}
void queue_0_notify(TX_QUEUE *queue_ptr)
{
if (queue_ptr == queue_0)
queue_0_sends++;
}
/* Define the module start function. */
void demo_module_start(ULONG id)
{
UINT status;
CHAR *pointer;
/* Allocate all the objects. In MMU mode, modules cannot allocate control blocks within
their own memory area so they cannot corrupt the resident portion of ThreadX by overwriting
the control block(s). */
status = txm_module_object_allocate((void*)&thread_0, sizeof(TX_THREAD));
while (status != TX_SUCCESS);
status = txm_module_object_allocate((void*)&thread_1, sizeof(TX_THREAD));
while (status != TX_SUCCESS);
status = txm_module_object_allocate((void*)&thread_2, sizeof(TX_THREAD));
while (status != TX_SUCCESS);
status = txm_module_object_allocate((void*)&thread_3, sizeof(TX_THREAD));
while (status != TX_SUCCESS);
status = txm_module_object_allocate((void*)&thread_4, sizeof(TX_THREAD));
while (status != TX_SUCCESS);
status = txm_module_object_allocate((void*)&thread_5, sizeof(TX_THREAD));
while (status != TX_SUCCESS);
status = txm_module_object_allocate((void*)&thread_6, sizeof(TX_THREAD));
while (status != TX_SUCCESS);
status = txm_module_object_allocate((void*)&thread_7, sizeof(TX_THREAD));
while (status != TX_SUCCESS);
status = txm_module_object_allocate((void*)&queue_0, sizeof(TX_QUEUE));
while (status != TX_SUCCESS);
status = txm_module_object_allocate((void*)&semaphore_0, sizeof(TX_SEMAPHORE));
while (status != TX_SUCCESS);
status = txm_module_object_allocate((void*)&mutex_0, sizeof(TX_MUTEX));
while (status != TX_SUCCESS);
status = txm_module_object_allocate((void*)&event_flags_0, sizeof(TX_EVENT_FLAGS_GROUP));
while (status != TX_SUCCESS);
status = txm_module_object_allocate((void*)&byte_pool_0, sizeof(TX_BYTE_POOL));
while (status != TX_SUCCESS);
status = txm_module_object_allocate((void*)&block_pool_0, sizeof(TX_BLOCK_POOL));
while (status != TX_SUCCESS);
/* Create a byte memory pool from which to allocate the thread stacks. */
status = tx_byte_pool_create(byte_pool_0, "module byte pool 0", demo_module_pool_space, DEMO_BYTE_POOL_SIZE);
while (status != TX_SUCCESS);
/* Put system definition stuff in here, e.g. thread creates and other assorted
create information. */
/* Allocate the stack for thread 0. */
status = tx_byte_allocate(byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
while (status != TX_SUCCESS);
/* Create the main thread. */
status = tx_thread_create(thread_0, "module thread 0", thread_0_entry, 0,
pointer, DEMO_STACK_SIZE,
1, 1, TX_NO_TIME_SLICE, TX_AUTO_START);
while (status != TX_SUCCESS);
/* Allocate the stack for thread 1. */
status = tx_byte_allocate(byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
while (status != TX_SUCCESS);
/* Create threads 1 and 2. These threads pass information through a ThreadX
message queue. It is also interesting to note that these threads have a time
slice. */
status = tx_thread_create(thread_1, "module thread 1", thread_1_entry, 1,
pointer, DEMO_STACK_SIZE,
16, 16, 4, TX_AUTO_START);
while (status != TX_SUCCESS);
/* Allocate the stack for thread 2. */
status = tx_byte_allocate(byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
while (status != TX_SUCCESS);
status = tx_thread_create(thread_2, "module thread 2", thread_2_entry, 2,
pointer, DEMO_STACK_SIZE,
16, 16, 4, TX_AUTO_START);
while (status != TX_SUCCESS);
/* Allocate the stack for thread 3. */
status = tx_byte_allocate(byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
while (status != TX_SUCCESS);
/* Create threads 3 and 4. These threads compete for a ThreadX counting semaphore.
An interesting thing here is that both threads share the same instruction area. */
status = tx_thread_create(thread_3, "module thread 3", thread_3_and_4_entry, 3,
pointer, DEMO_STACK_SIZE,
8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
while (status != TX_SUCCESS);
/* Allocate the stack for thread 4. */
status = tx_byte_allocate(byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
while (status != TX_SUCCESS);
status = tx_thread_create(thread_4, "module thread 4", thread_3_and_4_entry, 4,
pointer, DEMO_STACK_SIZE,
8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
while (status != TX_SUCCESS);
/* Allocate the stack for thread 5. */
status = tx_byte_allocate(byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
while (status != TX_SUCCESS);
/* Create thread 5. This thread simply pends on an event flag which will be set
by thread_0. */
status = tx_thread_create(thread_5, "module thread 5", thread_5_entry, 5,
pointer, DEMO_STACK_SIZE,
4, 4, TX_NO_TIME_SLICE, TX_AUTO_START);
while (status != TX_SUCCESS);
/* Allocate the stack for thread 6. */
status = tx_byte_allocate(byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
while (status != TX_SUCCESS);
/* Create threads 6 and 7. These threads compete for a ThreadX mutex. */
status = tx_thread_create(thread_6, "module thread 6", thread_6_and_7_entry, 6,
pointer, DEMO_STACK_SIZE,
8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
while (status != TX_SUCCESS);
/* Allocate the stack for thread 7. */
status = tx_byte_allocate(byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
while (status != TX_SUCCESS);
status = tx_thread_create(thread_7, "module thread 7", thread_6_and_7_entry, 7,
pointer, DEMO_STACK_SIZE,
8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
while (status != TX_SUCCESS);
/* Allocate the message queue. */
status = tx_byte_allocate(byte_pool_0, (VOID **) &pointer, DEMO_QUEUE_SIZE*sizeof(ULONG), TX_NO_WAIT);
while (status != TX_SUCCESS);
/* Create the message queue shared by threads 1 and 2. */
status = tx_queue_create(queue_0, "module queue 0", TX_1_ULONG, pointer, DEMO_QUEUE_SIZE*sizeof(ULONG));
while (status != TX_SUCCESS);
status = tx_queue_send_notify(queue_0, queue_0_notify);
while (status != TX_SUCCESS);
/* Create the semaphore used by threads 3 and 4. */
status = tx_semaphore_create(semaphore_0, "module semaphore 0", 1);
while (status != TX_SUCCESS);
status = tx_semaphore_put_notify(semaphore_0, semaphore_0_notify);
while (status != TX_SUCCESS);
/* Create the event flags group used by threads 1 and 5. */
status = tx_event_flags_create(event_flags_0, "module event flags 0");
while (status != TX_SUCCESS);
status = tx_event_flags_set_notify(event_flags_0, event_0_notify);
while (status != TX_SUCCESS);
/* Create the mutex used by thread 6 and 7 without priority inheritance. */
status = tx_mutex_create(mutex_0, "module mutex 0", TX_NO_INHERIT);
while (status != TX_SUCCESS);
/* Allocate the memory for a small block pool. */
status = tx_byte_allocate(byte_pool_0, (VOID **) &pointer, DEMO_BLOCK_POOL_SIZE, TX_NO_WAIT);
while (status != TX_SUCCESS);
/* Create a block memory pool to allocate a message buffer from. */
status = tx_block_pool_create(block_pool_0, "module block pool 0", sizeof(ULONG), pointer, DEMO_BLOCK_POOL_SIZE);
while (status != TX_SUCCESS);
/* Allocate a block and release the block memory. */
status = tx_block_allocate(block_pool_0, (VOID **) &pointer, TX_NO_WAIT);
while (status != TX_SUCCESS);
/* Release the block back to the pool. */
status = tx_block_release(pointer);
while (status != TX_SUCCESS);
}
/* Define the test threads. */
void thread_0_entry(ULONG thread_input)
{
UINT status;
/* This thread simply sits in while-forever-sleep loop. */
while(1)
{
/* Increment the thread counter. */
thread_0_counter++;
/* Sleep for 10 ticks. */
tx_thread_sleep(10);
/* Set event flag 0 to wakeup thread 5. */
status = tx_event_flags_set(event_flags_0, 0x1, TX_OR);
/* Check status. */
if (status != TX_SUCCESS)
break;
}
}
void thread_1_entry(ULONG thread_input)
{
UINT status;
/* This thread simply sends messages to a queue shared by thread 2. */
while(1)
{
/* Increment the thread counter. */
thread_1_counter++;
/* Send message to queue 0. */
status = tx_queue_send(queue_0, &thread_1_messages_sent, TX_WAIT_FOREVER);
/* Check completion status. */
if (status != TX_SUCCESS)
break;
/* Increment the message sent. */
thread_1_messages_sent++;
}
}
void thread_2_entry(ULONG thread_input)
{
ULONG received_message;
UINT status;
/* This thread retrieves messages placed on the queue by thread 1. */
while(1)
{
/* Increment the thread counter. */
thread_2_counter++;
/* Retrieve a message from the queue. */
status = tx_queue_receive(queue_0, &received_message, TX_WAIT_FOREVER);
/* Check completion status and make sure the message is what we
expected. */
if ((status != TX_SUCCESS) || (received_message != thread_2_messages_received))
break;
/* Otherwise, all is okay. Increment the received message count. */
thread_2_messages_received++;
}
}
void thread_3_and_4_entry(ULONG thread_input)
{
UINT status;
/* This function is executed from thread 3 and thread 4. As the loop
below shows, these function compete for ownership of semaphore_0. */
while(1)
{
/* Increment the thread counter. */
if (thread_input == 3)
thread_3_counter++;
else
thread_4_counter++;
/* Get the semaphore with suspension. */
status = tx_semaphore_get(semaphore_0, TX_WAIT_FOREVER);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Sleep for 2 ticks to hold the semaphore. */
tx_thread_sleep(2);
/* Release the semaphore. */
status = tx_semaphore_put(semaphore_0);
/* Check status. */
if (status != TX_SUCCESS)
break;
}
}
void thread_5_entry(ULONG thread_input)
{
UINT status;
ULONG actual_flags;
/* This thread simply waits for an event in a forever loop. */
while(1)
{
/* Increment the thread counter. */
thread_5_counter++;
/* Wait for event flag 0. */
status = tx_event_flags_get(event_flags_0, 0x1, TX_OR_CLEAR,
&actual_flags, TX_WAIT_FOREVER);
/* Check status. */
if ((status != TX_SUCCESS) || (actual_flags != 0x1))
break;
}
}
void thread_6_and_7_entry(ULONG thread_input)
{
UINT status;
/* This function is executed from thread 6 and thread 7. As the loop
below shows, these function compete for ownership of mutex_0. */
while(1)
{
/* Increment the thread counter. */
if (thread_input == 6)
thread_6_counter++;
else
thread_7_counter++;
/* Get the mutex with suspension. */
status = tx_mutex_get(mutex_0, TX_WAIT_FOREVER);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Get the mutex again with suspension. This shows
that an owning thread may retrieve the mutex it
owns multiple times. */
status = tx_mutex_get(mutex_0, TX_WAIT_FOREVER);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Sleep for 2 ticks to hold the mutex. */
tx_thread_sleep(2);
/* Release the mutex. */
status = tx_mutex_put(mutex_0);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Release the mutex again. This will actually
release ownership since it was obtained twice. */
status = tx_mutex_put(mutex_0);
/* Check status. */
if (status != TX_SUCCESS)
break;
}
}

View File

@@ -0,0 +1,63 @@
.text
.align 4
.section Init
// External references
.global _txm_module_thread_shell_entry
.global _txm_module_callback_request_thread_entry
.global demo_module_start
.global Image$$ER_RO$$Length
.global Image$$ER_RW$$Length
.global Image$$ER_ZI$$Length
.global __txm_module_preamble
__txm_module_preamble:
.dc.l 0x4D4F4455 // Module ID
.dc.l 0x6 // Module Major Version
.dc.l 0x1 // Module Minor Version
.dc.l 32 // Module Preamble Size in 32-bit words
.dc.l 0x12345678 // Module ID (application defined)
.dc.l 0x01000000 // Module Properties where:
// Bits 31-24: Compiler ID
// 0 -> IAR
// 1 -> ARM
// 2 -> GNU
// Bit 0: 0 -> Privileged mode execution
// 1 -> User mode execution
// Bit 1: 0 -> No MPU protection
// 1 -> MPU protection (must have user mode selected)
// Bit 2: 0 -> Disable shared/external memory access
// 1 -> Enable shared/external memory access
.dc.l _txm_module_thread_shell_entry // Module Shell Entry Point
.dc.l demo_module_start // Module Start Thread Entry Point
.dc.l 0 // Module Stop Thread Entry Point
.dc.l 1 // Module Start/Stop Thread Priority
.dc.l 4096 // Module Start/Stop Thread Stack Size
.dc.l _txm_module_callback_request_thread_entry // Module Callback Thread Entry
.dc.l 1 // Module Callback Thread Priority
.dc.l 4096 // Module Callback Thread Stack Size
.dc.l Image$$ER_RO$$Length // Module Code Size
.dc.l Image$$ER_ZI$$Length // Module Data Size
.dc.l 0 // Reserved 0
.dc.l 0 // Reserved 1
.dc.l 0 // Reserved 2
.dc.l 0 // Reserved 3
.dc.l 0 // Reserved 4
.dc.l 0 // Reserved 5
.dc.l 0 // Reserved 6
.dc.l 0 // Reserved 7
.dc.l 0 // Reserved 8
.dc.l 0 // Reserved 9
.dc.l 0 // Reserved 10
.dc.l 0 // Reserved 11
.dc.l 0 // Reserved 12
.dc.l 0 // Reserved 13
.dc.l 0 // Reserved 14
.dc.l 0 // Reserved 15
.image__er_ro__length:
.quad Image$$ER_RO$$Length
.image__er_rw__length:
.quad Image$$ER_RW$$Length
.image__er_zi__length:
.quad Image$$ER_ZI$$Length

View File

@@ -0,0 +1,238 @@
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View File

@@ -0,0 +1,38 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>sample_threadx_module_manager</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
<triggers>clean,full,incremental,</triggers>
<arguments>
</arguments>
</buildCommand>
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<arguments>
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</link>
<link>
<name>src_common_module_manager</name>
<type>2</type>
<locationURI>$%7BPARENT-5-PROJECT_LOC%7D/common_modules/module_manager/src</locationURI>
</link>
</linkedResources>
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View File

@@ -0,0 +1,561 @@
/*
* GICv3.h - data types and function prototypes for GICv3 utility routines
*
* Copyright (c) 2014-2017 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#ifndef GICV3_h
#define GICV3_h
#include <stdint.h>
/*
* extra flags for GICD enable
*/
typedef enum
{
gicdctlr_EnableGrp0 = (1 << 0),
gicdctlr_EnableGrp1NS = (1 << 1),
gicdctlr_EnableGrp1A = (1 << 1),
gicdctlr_EnableGrp1S = (1 << 2),
gicdctlr_EnableAll = (1 << 2) | (1 << 1) | (1 << 0),
gicdctlr_ARE_S = (1 << 4), /* Enable Secure state affinity routing */
gicdctlr_ARE_NS = (1 << 5), /* Enable Non-Secure state affinity routing */
gicdctlr_DS = (1 << 6), /* Disable Security support */
gicdctlr_E1NWF = (1 << 7) /* Enable "1-of-N" wakeup model */
} GICDCTLRFlags_t;
/*
* modes for SPI routing
*/
typedef enum
{
gicdirouter_ModeSpecific = 0,
gicdirouter_ModeAny = (1 << 31)
} GICDIROUTERBits_t;
typedef enum
{
gicdicfgr_Level = 0,
gicdicfgr_Edge = (1 << 1)
} GICDICFGRBits_t;
typedef enum
{
gicigroupr_G0S = 0,
gicigroupr_G1NS = (1 << 0),
gicigroupr_G1S = (1 << 2)
} GICIGROUPRBits_t;
typedef enum
{
gicrwaker_ProcessorSleep = (1 << 1),
gicrwaker_ChildrenAsleep = (1 << 2)
} GICRWAKERBits_t;
/**********************************************************************/
/*
* Utility macros & functions
*/
#define RANGE_LIMIT(x) ((sizeof(x) / sizeof((x)[0])) - 1)
static inline uint64_t gicv3PackAffinity(uint32_t aff3, uint32_t aff2,
uint32_t aff1, uint32_t aff0)
{
/*
* only need to cast aff3 to get type promotion for all affinities
*/
return ((((uint64_t)aff3 & 0xff) << 32) |
((aff2 & 0xff) << 16) |
((aff1 & 0xff) << 8) | aff0);
}
/**********************************************************************/
/*
* GIC Distributor Function Prototypes
*/
/*
* ConfigGICD - configure GIC Distributor prior to enabling it
*
* Inputs:
*
* control - control flags
*
* Returns:
*
* <nothing>
*
* NOTE:
*
* ConfigGICD() will set an absolute flags value, whereas
* {En,Dis}ableGICD() will only {set,clear} the flag bits
* passed as a parameter
*/
void ConfigGICD(GICDCTLRFlags_t flags);
/*
* EnableGICD - top-level enable for GIC Distributor
*
* Inputs:
*
* flags - new control flags to set
*
* Returns:
*
* <nothing>
*
* NOTE:
*
* ConfigGICD() will set an absolute flags value, whereas
* {En,Dis}ableGICD() will only {set,clear} the flag bits
* passed as a parameter
*/
void EnableGICD(GICDCTLRFlags_t flags);
/*
* DisableGICD - top-level disable for GIC Distributor
*
* Inputs
*
* flags - control flags to clear
*
* Returns
*
* <nothing>
*
* NOTE:
*
* ConfigGICD() will set an absolute flags value, whereas
* {En,Dis}ableGICD() will only {set,clear} the flag bits
* passed as a parameter
*/
void DisableGICD(GICDCTLRFlags_t flags);
/*
* SyncAREinGICD - synchronise GICD Address Routing Enable bits
*
* Inputs
*
* flags - absolute flag bits to set in GIC Distributor
*
* dosync - flag whether to wait for ARE bits to match passed
* flag field (dosync = true), or whether to set absolute
* flag bits (dosync = false)
*
* Returns
*
* <nothing>
*
* NOTE:
*
* This function is used to resolve a race in an MP system whereby secondary
* CPUs cannot reliably program all Redistributor registers until the
* primary CPU has enabled Address Routing. The primary CPU will call this
* function with dosync = false, while the secondaries will call it with
* dosync = true.
*/
void SyncAREinGICD(GICDCTLRFlags_t flags, uint32_t dosync);
/*
* EnableSPI - enable a specific shared peripheral interrupt
*
* Inputs:
*
* id - which interrupt to enable
*
* Returns:
*
* <nothing>
*/
void EnableSPI(uint32_t id);
/*
* DisableSPI - disable a specific shared peripheral interrupt
*
* Inputs:
*
* id - which interrupt to disable
*
* Returns:
*
* <nothing>
*/
void DisableSPI(uint32_t id);
/*
* SetSPIPriority - configure the priority for a shared peripheral interrupt
*
* Inputs:
*
* id - interrupt identifier
*
* priority - 8-bit priority to program (see note below)
*
* Returns:
*
* <nothing>
*
* Note:
*
* The GICv3 architecture makes this function sensitive to the Security
* context in terms of what effect it has on the programmed priority: no
* attempt is made to adjust for the reduced priority range available
* when making Non-Secure accesses to the GIC
*/
void SetSPIPriority(uint32_t id, uint32_t priority);
/*
* GetSPIPriority - determine the priority for a shared peripheral interrupt
*
* Inputs:
*
* id - interrupt identifier
*
* Returns:
*
* interrupt priority in the range 0 - 0xff
*/
uint32_t GetSPIPriority(uint32_t id);
/*
* SetSPIRoute - specify interrupt routing when gicdctlr_ARE is enabled
*
* Inputs:
*
* id - interrupt identifier
*
* affinity - prepacked "dotted quad" affinity routing. NOTE: use the
* gicv3PackAffinity() helper routine to generate this input
*
* mode - select routing mode (specific affinity, or any recipient)
*
* Returns:
*
* <nothing>
*/
void SetSPIRoute(uint32_t id, uint64_t affinity, GICDIROUTERBits_t mode);
/*
* GetSPIRoute - read ARE-enabled interrupt routing information
*
* Inputs:
*
* id - interrupt identifier
*
* Returns:
*
* routing configuration
*/
uint64_t GetSPIRoute(uint32_t id);
/*
* SetSPITarget - configure the set of processor targets for an interrupt
*
* Inputs
*
* id - interrupt identifier
*
* target - 8-bit target bitmap
*
* Returns
*
* <nothing>
*/
void SetSPITarget(uint32_t id, uint32_t target);
/*
* GetSPITarget - read the set of processor targets for an interrupt
*
* Inputs
*
* id - interrupt identifier
*
* Returns
*
* 8-bit target bitmap
*/
uint32_t GetSPITarget(uint32_t id);
/*
* ConfigureSPI - setup an interrupt as edge- or level-triggered
*
* Inputs
*
* id - interrupt identifier
*
* config - desired configuration
*
* Returns
*
* <nothing>
*/
void ConfigureSPI(uint32_t id, GICDICFGRBits_t config);
/*
* SetSPIPending - mark an interrupt as pending
*
* Inputs
*
* id - interrupt identifier
*
* Returns
*
* <nothing>
*/
void SetSPIPending(uint32_t id);
/*
* ClearSPIPending - mark an interrupt as not pending
*
* Inputs
*
* id - interrupt identifier
*
* Returns
*
* <nothing>
*/
void ClearSPIPending(uint32_t id);
/*
* GetSPIPending - query whether an interrupt is pending
*
* Inputs
*
* id - interrupt identifier
*
* Returns
*
* pending status
*/
uint32_t GetSPIPending(uint32_t id);
/*
* SetSPISecurity - mark a shared peripheral interrupt as
* security <group>
*
* Inputs
*
* id - which interrupt to mark
*
* group - the group for the interrupt
*
* Returns
*
* <nothing>
*/
void SetSPISecurity(uint32_t id, GICIGROUPRBits_t group);
/*
* SetSPISecurityBlock - mark a block of 32 shared peripheral
* interrupts as security <group>
*
* Inputs:
*
* block - which block to mark (e.g. 1 = Ints 32-63)
*
* group - the group for the interrupts
*
* Returns:
*
* <nothing>
*/
void SetSPISecurityBlock(uint32_t block, GICIGROUPRBits_t group);
/*
* SetSPISecurityAll - mark all shared peripheral interrupts
* as security <group>
*
* Inputs:
*
* group - the group for the interrupts
*
* Returns:
*
* <nothing>
*/
void SetSPISecurityAll(GICIGROUPRBits_t group);
/**********************************************************************/
/*
* GIC Re-Distributor Function Prototypes
*
* The model for calling Redistributor functions is that, rather than
* identifying the target redistributor with every function call, the
* SelectRedistributor() function is used to identify which redistributor
* is to be used for all functions until a different redistributor is
* explicitly selected
*/
/*
* WakeupGICR - wake up a Redistributor
*
* Inputs:
*
* gicr - which Redistributor to wakeup
*
* Returns:
*
* <nothing>
*/
void WakeupGICR(uint32_t gicr);
/*
* EnablePrivateInt - enable a private (SGI/PPI) interrupt
*
* Inputs:
*
* gicr - which Redistributor to program
*
* id - which interrupt to enable
*
* Returns:
*
* <nothing>
*/
void EnablePrivateInt(uint32_t gicr, uint32_t id);
/*
* DisablePrivateInt - disable a private (SGI/PPI) interrupt
*
* Inputs:
*
* gicr - which Redistributor to program
*
* id - which interrupt to disable
*
* Returns:
*
* <nothing>
*/
void DisablePrivateInt(uint32_t gicr, uint32_t id);
/*
* SetPrivateIntPriority - configure the priority for a private
* (SGI/PPI) interrupt
*
* Inputs:
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* priority - 8-bit priority to program (see note below)
*
* Returns:
*
* <nothing>
*
* Note:
*
* The GICv3 architecture makes this function sensitive to the Security
* context in terms of what effect it has on the programmed priority: no
* attempt is made to adjust for the reduced priority range available
* when making Non-Secure accesses to the GIC
*/
void SetPrivateIntPriority(uint32_t gicr, uint32_t id, uint32_t priority);
/*
* GetPrivateIntPriority - configure the priority for a private
* (SGI/PPI) interrupt
*
* Inputs:
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* Returns:
*
* Int priority
*/
uint32_t GetPrivateIntPriority(uint32_t gicr, uint32_t id);
/*
* SetPrivateIntPending - mark a private (SGI/PPI) interrupt as pending
*
* Inputs
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* Returns
*
* <nothing>
*/
void SetPrivateIntPending(uint32_t gicr, uint32_t id);
/*
* ClearPrivateIntPending - mark a private (SGI/PPI) interrupt as not pending
*
* Inputs
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* Returns
*
* <nothing>
*/
void ClearPrivateIntPending(uint32_t gicr, uint32_t id);
/*
* GetPrivateIntPending - query whether a private (SGI/PPI) interrupt is pending
*
* Inputs
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* Returns
*
* pending status
*/
uint32_t GetPrivateIntPending(uint32_t gicr, uint32_t id);
/*
* SetPrivateIntSecurity - mark a private (SGI/PPI) interrupt as
* security <group>
*
* Inputs
*
* gicr - which Redistributor to program
*
* id - which interrupt to mark
*
* group - the group for the interrupt
*
* Returns
*
* <nothing>
*/
void SetPrivateIntSecurity(uint32_t gicr, uint32_t id, GICIGROUPRBits_t group);
/*
* SetPrivateIntSecurityBlock - mark all 32 private (SGI/PPI)
* interrupts as security <group>
*
* Inputs:
*
* gicr - which Redistributor to program
*
* group - the group for the interrupt
*
* Returns:
*
* <nothing>
*/
void SetPrivateIntSecurityBlock(uint32_t gicr, GICIGROUPRBits_t group);
#endif /* ndef GICV3_h */
/* EOF GICv3.h */

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@@ -0,0 +1,249 @@
/*
* GICv3_gicc.h - prototypes and inline functions for GICC system register operations
*
* Copyright (c) 2014-2017 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#ifndef GICV3_gicc_h
#define GICV3_gicc_h
/**********************************************************************/
typedef enum
{
sreSRE = (1 << 0),
sreDFB = (1 << 1),
sreDIB = (1 << 2),
sreEnable = (1 << 3)
} ICC_SREBits_t;
static inline void setICC_SRE_EL1(ICC_SREBits_t mode)
{
asm("msr ICC_SRE_EL1, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_SRE_EL1(void)
{
uint64_t retc;
asm("mrs %0, ICC_SRE_EL1\n" : "=r" (retc));
return retc;
}
static inline void setICC_SRE_EL2(ICC_SREBits_t mode)
{
asm("msr ICC_SRE_EL2, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_SRE_EL2(void)
{
uint64_t retc;
asm("mrs %0, ICC_SRE_EL2\n" : "=r" (retc));
return retc;
}
static inline void setICC_SRE_EL3(ICC_SREBits_t mode)
{
asm("msr ICC_SRE_EL3, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_SRE_EL3(void)
{
uint64_t retc;
asm("mrs %0, ICC_SRE_EL3\n" : "=r" (retc));
return retc;
}
/**********************************************************************/
typedef enum
{
igrpEnable = (1 << 0),
igrpEnableGrp1NS = (1 << 0),
igrpEnableGrp1S = (1 << 2)
} ICC_IGRPBits_t;
static inline void setICC_IGRPEN0_EL1(ICC_IGRPBits_t mode)
{
asm("msr ICC_IGRPEN0_EL1, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline void setICC_IGRPEN1_EL1(ICC_IGRPBits_t mode)
{
asm("msr ICC_IGRPEN1_EL1, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline void setICC_IGRPEN1_EL3(ICC_IGRPBits_t mode)
{
asm("msr ICC_IGRPEN1_EL3, %0\n; isb" :: "r" ((uint64_t)mode));
}
/**********************************************************************/
typedef enum
{
ctlrCBPR = (1 << 0),
ctlrCBPR_EL1S = (1 << 0),
ctlrEOImode = (1 << 1),
ctlrCBPR_EL1NS = (1 << 1),
ctlrEOImode_EL3 = (1 << 2),
ctlrEOImode_EL1S = (1 << 3),
ctlrEOImode_EL1NS = (1 << 4),
ctlrRM = (1 << 5),
ctlrPMHE = (1 << 6)
} ICC_CTLRBits_t;
static inline void setICC_CTLR_EL1(ICC_CTLRBits_t mode)
{
asm("msr ICC_CTLR_EL1, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_CTLR_EL1(void)
{
uint64_t retc;
asm("mrs %0, ICC_CTLR_EL1\n" : "=r" (retc));
return retc;
}
static inline void setICC_CTLR_EL3(ICC_CTLRBits_t mode)
{
asm("msr ICC_CTLR_EL3, %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_CTLR_EL3(void)
{
uint64_t retc;
asm("mrs %0, ICC_CTLR_EL3\n" : "=r" (retc));
return retc;
}
/**********************************************************************/
static inline uint64_t getICC_IAR0(void)
{
uint64_t retc;
asm("mrs %0, ICC_IAR0_EL1\n" : "=r" (retc));
return retc;
}
static inline uint64_t getICC_IAR1(void)
{
uint64_t retc;
asm("mrs %0, ICC_IAR1_EL1\n" : "=r" (retc));
return retc;
}
static inline void setICC_EOIR0(uint32_t interrupt)
{
asm("msr ICC_EOIR0_EL1, %0\n; isb" :: "r" ((uint64_t)interrupt));
}
static inline void setICC_EOIR1(uint32_t interrupt)
{
asm("msr ICC_EOIR1_EL1, %0\n; isb" :: "r" ((uint64_t)interrupt));
}
static inline void setICC_DIR(uint32_t interrupt)
{
asm("msr ICC_DIR_EL1, %0\n; isb" :: "r" ((uint64_t)interrupt));
}
static inline void setICC_PMR(uint32_t priority)
{
asm("msr ICC_PMR_EL1, %0\n; isb" :: "r" ((uint64_t)priority));
}
static inline void setICC_BPR0(uint32_t binarypoint)
{
asm("msr ICC_BPR0_EL1, %0\n; isb" :: "r" ((uint64_t)binarypoint));
}
static inline void setICC_BPR1(uint32_t binarypoint)
{
asm("msr ICC_BPR1_EL1, %0\n; isb" :: "r" ((uint64_t)binarypoint));
}
static inline uint64_t getICC_BPR0(void)
{
uint64_t retc;
asm("mrs %0, ICC_BPR0_EL1\n" : "=r" (retc));
return retc;
}
static inline uint64_t getICC_BPR1(void)
{
uint64_t retc;
asm("mrs %0, ICC_BPR1_EL1\n" : "=r" (retc));
return retc;
}
static inline uint64_t getICC_RPR(void)
{
uint64_t retc;
asm("mrs %0, ICC_RPR_EL1\n" : "=r" (retc));
return retc;
}
/**********************************************************************/
typedef enum
{
sgirIRMTarget = 0,
sgirIRMAll = (1ull << 40)
} ICC_SGIRBits_t;
static inline void setICC_SGI0R(uint8_t aff3, uint8_t aff2,
uint8_t aff1, ICC_SGIRBits_t irm,
uint16_t targetlist, uint8_t intid)
{
uint64_t packedbits = (((uint64_t)aff3 << 48) | ((uint64_t)aff2 << 32) | \
((uint64_t)aff1 << 16) | irm | targetlist | \
((uint64_t)(intid & 0x0f) << 24));
asm("msr ICC_SGI0R_EL1, %0\n; isb" :: "r" (packedbits));
}
static inline void setICC_SGI1R(uint8_t aff3, uint8_t aff2,
uint8_t aff1, ICC_SGIRBits_t irm,
uint16_t targetlist, uint8_t intid)
{
uint64_t packedbits = (((uint64_t)aff3 << 48) | ((uint64_t)aff2 << 32) | \
((uint64_t)aff1 << 16) | irm | targetlist | \
((uint64_t)(intid & 0x0f) << 24));
asm("msr ICC_SGI1R_EL1, %0\n; isb" :: "r" (packedbits));
}
static inline void setICC_ASGI1R(uint8_t aff3, uint8_t aff2,
uint8_t aff1, ICC_SGIRBits_t irm,
uint16_t targetlist, uint8_t intid)
{
uint64_t packedbits = (((uint64_t)aff3 << 48) | ((uint64_t)aff2 << 32) | \
((uint64_t)aff1 << 16) | irm | targetlist | \
((uint64_t)(intid & 0x0f) << 24));
asm("msr ICC_ASGI1R_EL1, %0\n; isb" :: "r" (packedbits));
}
#endif /* ndef GICV3_gicc_h */

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/*
* GICv3_gicd.c - generic driver code for GICv3 distributor
*
* Copyright (c) 2014-2017 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#include <stdint.h>
#include "GICv3.h"
typedef struct
{
volatile uint32_t GICD_CTLR; // +0x0000
const volatile uint32_t GICD_TYPER; // +0x0004
const volatile uint32_t GICD_IIDR; // +0x0008
const volatile uint32_t padding0; // +0x000c
volatile uint32_t GICD_STATUSR; // +0x0010
const volatile uint32_t padding1[3]; // +0x0014
volatile uint32_t IMP_DEF[8]; // +0x0020
volatile uint32_t GICD_SETSPI_NSR; // +0x0040
const volatile uint32_t padding2; // +0x0044
volatile uint32_t GICD_CLRSPI_NSR; // +0x0048
const volatile uint32_t padding3; // +0x004c
volatile uint32_t GICD_SETSPI_SR; // +0x0050
const volatile uint32_t padding4; // +0x0054
volatile uint32_t GICD_CLRSPI_SR; // +0x0058
const volatile uint32_t padding5[3]; // +0x005c
volatile uint32_t GICD_SEIR; // +0x0068
const volatile uint32_t padding6[5]; // +0x006c
volatile uint32_t GICD_IGROUPR[32]; // +0x0080
volatile uint32_t GICD_ISENABLER[32]; // +0x0100
volatile uint32_t GICD_ICENABLER[32]; // +0x0180
volatile uint32_t GICD_ISPENDR[32]; // +0x0200
volatile uint32_t GICD_ICPENDR[32]; // +0x0280
volatile uint32_t GICD_ISACTIVER[32]; // +0x0300
volatile uint32_t GICD_ICACTIVER[32]; // +0x0380
volatile uint8_t GICD_IPRIORITYR[1024]; // +0x0400
volatile uint8_t GICD_ITARGETSR[1024]; // +0x0800
volatile uint32_t GICD_ICFGR[64]; // +0x0c00
volatile uint32_t GICD_IGRPMODR[32]; // +0x0d00
const volatile uint32_t padding7[32]; // +0x0d80
volatile uint32_t GICD_NSACR[64]; // +0x0e00
volatile uint32_t GICD_SGIR; // +0x0f00
const volatile uint32_t padding8[3]; // +0x0f04
volatile uint32_t GICD_CPENDSGIR[4]; // +0x0f10
volatile uint32_t GICD_SPENDSGIR[4]; // +0x0f20
const volatile uint32_t padding9[52]; // +0x0f30
const volatile uint32_t padding10[5120]; // +0x1000
volatile uint64_t GICD_IROUTER[1024]; // +0x6000
} GICv3_distributor;
/*
* use the scatter file to place GICD
*/
static GICv3_distributor __attribute__((section(".bss.distributor"))) gicd;
void ConfigGICD(GICDCTLRFlags_t flags)
{
gicd.GICD_CTLR = flags;
}
void EnableGICD(GICDCTLRFlags_t flags)
{
gicd.GICD_CTLR |= flags;
}
void DisableGICD(GICDCTLRFlags_t flags)
{
gicd.GICD_CTLR &= ~flags;
}
void SyncAREinGICD(GICDCTLRFlags_t flags, uint32_t dosync)
{
if (dosync)
{
const uint32_t tmask = gicdctlr_ARE_S | gicdctlr_ARE_NS;
const uint32_t tval = flags & tmask;
while ((gicd.GICD_CTLR & tmask) != tval)
continue;
}
else
gicd.GICD_CTLR = flags;
}
void EnableSPI(uint32_t id)
{
uint32_t bank;
/*
* GICD_ISENABLER has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ISENABLER);
id &= 32 - 1;
gicd.GICD_ISENABLER[bank] = 1 << id;
return;
}
void DisableSPI(uint32_t id)
{
uint32_t bank;
/*
* GICD_ISENABLER has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ICENABLER);
id &= 32 - 1;
gicd.GICD_ICENABLER[bank] = 1 << id;
return;
}
void SetSPIPriority(uint32_t id, uint32_t priority)
{
uint32_t bank;
/*
* GICD_IPRIORITYR has one byte-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_IPRIORITYR);
gicd.GICD_IPRIORITYR[bank] = priority;
}
uint32_t GetSPIPriority(uint32_t id)
{
uint32_t bank;
/*
* GICD_IPRIORITYR has one byte-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_IPRIORITYR);
return (uint32_t)(gicd.GICD_IPRIORITYR[bank]);
}
void SetSPIRoute(uint32_t id, uint64_t affinity, GICDIROUTERBits_t mode)
{
uint32_t bank;
/*
* GICD_IROUTER has one doubleword-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_IROUTER);
gicd.GICD_IROUTER[bank] = affinity | (uint64_t)mode;
}
uint64_t GetSPIRoute(uint32_t id)
{
uint32_t bank;
/*
* GICD_IROUTER has one doubleword-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_IROUTER);
return gicd.GICD_IROUTER[bank];
}
void SetSPITarget(uint32_t id, uint32_t target)
{
uint32_t bank;
/*
* GICD_ITARGETSR has one byte-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_ITARGETSR);
gicd.GICD_ITARGETSR[bank] = target;
}
uint32_t GetSPITarget(uint32_t id)
{
uint32_t bank;
/*
* GICD_ITARGETSR has one byte-wide entry per interrupt
*/
/*
* GICD_ITARGETSR has 4 interrupts per register, i.e. 8-bits of
* target bitmap per register
*/
bank = id & RANGE_LIMIT(gicd.GICD_ITARGETSR);
return (uint32_t)(gicd.GICD_ITARGETSR[bank]);
}
void ConfigureSPI(uint32_t id, GICDICFGRBits_t config)
{
uint32_t bank, tmp;
/*
* GICD_ICFGR has 16 interrupts per register, i.e. 2-bits of
* configuration per register
*/
bank = (id >> 4) & RANGE_LIMIT(gicd.GICD_ICFGR);
config &= 3;
id = (id & 0xf) << 1;
tmp = gicd.GICD_ICFGR[bank];
tmp &= ~(3 << id);
tmp |= config << id;
gicd.GICD_ICFGR[bank] = tmp;
}
void SetSPIPending(uint32_t id)
{
uint32_t bank;
/*
* GICD_ISPENDR has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ISPENDR);
id &= 0x1f;
gicd.GICD_ISPENDR[bank] = 1 << id;
}
void ClearSPIPending(uint32_t id)
{
uint32_t bank;
/*
* GICD_ICPENDR has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ICPENDR);
id &= 0x1f;
gicd.GICD_ICPENDR[bank] = 1 << id;
}
uint32_t GetSPIPending(uint32_t id)
{
uint32_t bank;
/*
* GICD_ICPENDR has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ICPENDR);
id &= 0x1f;
return (gicd.GICD_ICPENDR[bank] >> id) & 1;
}
void SetSPISecurity(uint32_t id, GICIGROUPRBits_t group)
{
uint32_t bank, groupmod;
/*
* GICD_IGROUPR has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_IGROUPR);
id &= 0x1f;
/*
* the single group argument is split into two separate
* registers, so filter out and remove the (new to gicv3)
* group modifier bit
*/
groupmod = (group >> 1) & 1;
group &= 1;
/*
* either set or clear the Group bit for the interrupt as appropriate
*/
if (group)
gicd.GICD_IGROUPR[bank] |= 1 << id;
else
gicd.GICD_IGROUPR[bank] &= ~(1 << id);
/*
* now deal with groupmod
*/
if (groupmod)
gicd.GICD_IGRPMODR[bank] |= 1 << id;
else
gicd.GICD_IGRPMODR[bank] &= ~(1 << id);
}
void SetSPISecurityBlock(uint32_t block, GICIGROUPRBits_t group)
{
uint32_t groupmod;
const uint32_t nbits = (sizeof group * 8) - 1;
/*
* GICD_IGROUPR has 32 interrupts per register
*/
block &= RANGE_LIMIT(gicd.GICD_IGROUPR);
/*
* get each bit of group config duplicated over all 32-bits in a word
*/
groupmod = (uint32_t)(((int32_t)group << (nbits - 1)) >> 31);
group = (uint32_t)(((int32_t)group << nbits) >> 31);
/*
* set the security state for this block of SPIs
*/
gicd.GICD_IGROUPR[block] = group;
gicd.GICD_IGRPMODR[block] = groupmod;
}
void SetSPISecurityAll(GICIGROUPRBits_t group)
{
uint32_t block;
/*
* GICD_TYPER.ITLinesNumber gives (No. SPIS / 32) - 1, and we
* want to iterate over all blocks excluding 0 (which are the
* SGI/PPI interrupts, and not relevant here)
*/
for (block = (gicd.GICD_TYPER & ((1 << 5) - 1)); block > 0; --block)
SetSPISecurityBlock(block, group);
}
/* EOF GICv3_gicd.c */

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@@ -0,0 +1,308 @@
/*
* GICv3_gicr.c - generic driver code for GICv3 redistributor
*
* Copyright (c) 2014-2019 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#include "GICv3.h"
/*
* physical LPI Redistributor register map
*/
typedef struct
{
volatile uint32_t GICR_CTLR; // +0x0000 - RW - Redistributor Control Register
const volatile uint32_t GICR_IIDR; // +0x0004 - RO - Implementer Identification Register
const volatile uint32_t GICR_TYPER[2]; // +0x0008 - RO - Redistributor Type Register
volatile uint32_t GICR_STATUSR; // +0x0010 - RW - Error Reporting Status Register, optional
volatile uint32_t GICR_WAKER; // +0x0014 - RW - Redistributor Wake Register
const volatile uint32_t padding1[2]; // +0x0018 - RESERVED
#ifndef USE_GIC600
volatile uint32_t IMPDEF1[8]; // +0x0020 - ?? - IMPLEMENTATION DEFINED
#else
volatile uint32_t GICR_FCTLR; // +0x0020 - RW - Function Control Register
volatile uint32_t GICR_PWRR; // +0x0024 - RW - Power Management Control Register
volatile uint32_t GICR_CLASS; // +0x0028 - RW - Class Register
const volatile uint32_t padding2[5]; // +0x002C - RESERVED
#endif
volatile uint64_t GICR_SETLPIR; // +0x0040 - WO - Set LPI Pending Register
volatile uint64_t GICR_CLRLPIR; // +0x0048 - WO - Clear LPI Pending Register
const volatile uint32_t padding3[8]; // +0x0050 - RESERVED
volatile uint64_t GICR_PROPBASER; // +0x0070 - RW - Redistributor Properties Base Address Register
volatile uint64_t GICR_PENDBASER; // +0x0078 - RW - Redistributor LPI Pending Table Base Address Register
const volatile uint32_t padding4[8]; // +0x0080 - RESERVED
volatile uint64_t GICR_INVLPIR; // +0x00A0 - WO - Redistributor Invalidate LPI Register
const volatile uint32_t padding5[2]; // +0x00A8 - RESERVED
volatile uint64_t GICR_INVALLR; // +0x00B0 - WO - Redistributor Invalidate All Register
const volatile uint32_t padding6[2]; // +0x00B8 - RESERVED
volatile uint64_t GICR_SYNCR; // +0x00C0 - RO - Redistributor Synchronize Register
const volatile uint32_t padding7[2]; // +0x00C8 - RESERVED
const volatile uint32_t padding8[12]; // +0x00D0 - RESERVED
volatile uint64_t IMPDEF2; // +0x0100 - WO - IMPLEMENTATION DEFINED
const volatile uint32_t padding9[2]; // +0x0108 - RESERVED
volatile uint64_t IMPDEF3; // +0x0110 - WO - IMPLEMENTATION DEFINED
const volatile uint32_t padding10[2]; // +0x0118 - RESERVED
} GICv3_redistributor_RD;
/*
* SGI and PPI Redistributor register map
*/
typedef struct
{
const volatile uint32_t padding1[32]; // +0x0000 - RESERVED
volatile uint32_t GICR_IGROUPR0; // +0x0080 - RW - Interrupt Group Registers (Security Registers in GICv1)
const volatile uint32_t padding2[31]; // +0x0084 - RESERVED
volatile uint32_t GICR_ISENABLER; // +0x0100 - RW - Interrupt Set-Enable Registers
const volatile uint32_t padding3[31]; // +0x0104 - RESERVED
volatile uint32_t GICR_ICENABLER; // +0x0180 - RW - Interrupt Clear-Enable Registers
const volatile uint32_t padding4[31]; // +0x0184 - RESERVED
volatile uint32_t GICR_ISPENDR; // +0x0200 - RW - Interrupt Set-Pending Registers
const volatile uint32_t padding5[31]; // +0x0204 - RESERVED
volatile uint32_t GICR_ICPENDR; // +0x0280 - RW - Interrupt Clear-Pending Registers
const volatile uint32_t padding6[31]; // +0x0284 - RESERVED
volatile uint32_t GICR_ISACTIVER; // +0x0300 - RW - Interrupt Set-Active Register
const volatile uint32_t padding7[31]; // +0x0304 - RESERVED
volatile uint32_t GICR_ICACTIVER; // +0x0380 - RW - Interrupt Clear-Active Register
const volatile uint32_t padding8[31]; // +0x0184 - RESERVED
volatile uint8_t GICR_IPRIORITYR[32]; // +0x0400 - RW - Interrupt Priority Registers
const volatile uint32_t padding9[504]; // +0x0420 - RESERVED
volatile uint32_t GICR_ICnoFGR[2]; // +0x0C00 - RW - Interrupt Configuration Registers
const volatile uint32_t padding10[62]; // +0x0C08 - RESERVED
volatile uint32_t GICR_IGRPMODR0; // +0x0D00 - RW - ????
const volatile uint32_t padding11[63]; // +0x0D04 - RESERVED
volatile uint32_t GICR_NSACR; // +0x0E00 - RW - Non-Secure Access Control Register
} GICv3_redistributor_SGI;
/*
* We have a multiplicity of GIC Redistributors; on the GIC-AEM and
* GIC-500 they are arranged as one 128KB region per redistributor: one
* 64KB page of GICR LPI registers, and one 64KB page of GICR Private
* Int registers
*/
typedef struct
{
union
{
GICv3_redistributor_RD RD_base;
uint8_t padding[64 * 1024];
} RDblock;
union
{
GICv3_redistributor_SGI SGI_base;
uint8_t padding[64 * 1024];
} SGIblock;
} GICv3_GICR;
/*
* use the scatter file to place GIC Redistributor base address
*
* although this code doesn't know how many Redistributor banks
* a particular system will have, we declare gicrbase as an array
* to avoid unwanted compiler optimisations when calculating the
* base of a particular Redistributor bank
*/
static const GICv3_GICR gicrbase[2] __attribute__((section (".bss.redistributor")));
/**********************************************************************/
/*
* utility functions to calculate base of a particular
* Redistributor bank
*/
static inline GICv3_redistributor_RD *const getgicrRD(uint32_t gicr)
{
GICv3_GICR *const arraybase = (GICv3_GICR *const)&gicrbase;
return &((arraybase + gicr)->RDblock.RD_base);
}
static inline GICv3_redistributor_SGI *const getgicrSGI(uint32_t gicr)
{
GICv3_GICR *arraybase = (GICv3_GICR *)(&gicrbase);
return &(arraybase[gicr].SGIblock.SGI_base);
}
/**********************************************************************/
// This function walks a block of RDs to find one with the matching affinity
uint32_t GetGICR(uint32_t affinity)
{
GICv3_redistributor_RD* gicr;
uint32_t index = 0;
do
{
gicr = getgicrRD(index);
if (gicr->GICR_TYPER[1] == affinity)
return index;
index++;
}
while((gicr->GICR_TYPER[0] & (1<<4)) == 0); // Keep looking until GICR_TYPER.Last reports no more RDs in block
return 0xFFFFFFFF; // return -1 to signal not RD found
}
void WakeupGICR(uint32_t gicr)
{
GICv3_redistributor_RD *const gicrRD = getgicrRD(gicr);
#ifdef USE_GIC600
//Power up Re-distributor for GIC-600
gicrRD->GICR_PWRR = 0x2;
#endif
/*
* step 1 - ensure GICR_WAKER.ProcessorSleep is off
*/
gicrRD->GICR_WAKER &= ~gicrwaker_ProcessorSleep;
/*
* step 2 - wait for children asleep to be cleared
*/
while ((gicrRD->GICR_WAKER & gicrwaker_ChildrenAsleep) != 0)
continue;
/*
* OK, GICR is go
*/
return;
}
void EnablePrivateInt(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
id &= 0x1f;
gicrSGI->GICR_ISENABLER = 1 << id;
}
void DisablePrivateInt(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
id &= 0x1f;
gicrSGI->GICR_ICENABLER = 1 << id;
}
void SetPrivateIntPriority(uint32_t gicr, uint32_t id, uint32_t priority)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICD_IPRIORITYR has one byte-wide entry per interrupt
*/
id &= RANGE_LIMIT(gicrSGI->GICR_IPRIORITYR);
gicrSGI->GICR_IPRIORITYR[id] = priority;
}
uint32_t GetPrivateIntPriority(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICD_IPRIORITYR has one byte-wide entry per interrupt
*/
id &= RANGE_LIMIT(gicrSGI->GICR_IPRIORITYR);
return (uint32_t)(gicrSGI->GICR_IPRIORITYR[id]);
}
void SetPrivateIntPending(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICR_ISPENDR is one 32-bit register
*/
id &= 0x1f;
gicrSGI->GICR_ISPENDR = 1 << id;
}
void ClearPrivateIntPending(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICR_ICPENDR is one 32-bit register
*/
id &= 0x1f;
gicrSGI->GICR_ICPENDR = 1 << id;
}
uint32_t GetPrivateIntPending(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICR_ISPENDR is one 32-bit register
*/
id &= 0x1f;
return (gicrSGI->GICR_ISPENDR >> id) & 0x01;
}
void SetPrivateIntSecurity(uint32_t gicr, uint32_t id, GICIGROUPRBits_t group)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
uint32_t groupmod;
/*
* GICR_IGROUPR0 is one 32-bit register
*/
id &= 0x1f;
/*
* the single group argument is split into two separate
* registers, so filter out and remove the (new to gicv3)
* group modifier bit
*/
groupmod = (group >> 1) & 1;
group &= 1;
/*
* either set or clear the Group bit for the interrupt as appropriate
*/
if (group)
gicrSGI->GICR_IGROUPR0 |= 1 << id;
else
gicrSGI->GICR_IGROUPR0 &= ~(1 << id);
/*
* now deal with groupmod
*/
if (groupmod)
gicrSGI->GICR_IGRPMODR0 |= 1 << id;
else
gicrSGI->GICR_IGRPMODR0 &= ~(1 << id);
}
void SetPrivateIntSecurityBlock(uint32_t gicr, GICIGROUPRBits_t group)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
const uint32_t nbits = (sizeof group * 8) - 1;
uint32_t groupmod;
/*
* get each bit of group config duplicated over all 32 bits
*/
groupmod = (uint32_t)(((int32_t)group << (nbits - 1)) >> 31);
group = (uint32_t)(((int32_t)group << nbits) >> 31);
/*
* set the security state for this block of SPIs
*/
gicrSGI->GICR_IGROUPR0 = group;
gicrSGI->GICR_IGRPMODR0 = groupmod;
}
/* EOF GICv3_gicr.c */

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//
// Armv8-A AArch64 - Basic Mutex Example
// Includes the option (USE_LSE_ATOMIC) to use Large System Extension (LSE) atomics introduced in Armv8.1-A
//
// Copyright (c) 2012-2019 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
//
.text
.cfi_sections .debug_frame // put stack frame info into .debug_frame instead of .eh_frame
.global _mutex_initialize
.global _mutex_acquire
.global _mutex_release
//
// These routines implement the mutex management functions required for running
// the Arm C library in a multi-threaded environment.
//
// They use a value of 0 to represent an unlocked mutex, and 1 for a locked mutex
//
// **********************************************************************
//
.type _mutex_initialize, "function"
.cfi_startproc
_mutex_initialize:
//
// mark the mutex as unlocked
//
mov w1, #0
str w1, [x0]
//
// we are running multi-threaded, so set a non-zero return
// value (function prototype says use 1)
//
mov w0, #1
ret
.cfi_endproc
#if !defined(USE_LSE_ATOMIC)
.type _mutex_acquire, "function"
.cfi_startproc
_mutex_acquire:
//
// send ourselves an event, so we don't stick on the wfe at the
// top of the loop
//
sevl
//
// wait until the mutex is available
//
loop:
wfe
ldaxr w1, [x0]
cbnz w1, loop
//
// mutex is (at least, it was) available - try to claim it
//
mov w1, #1
stxr w2, w1, [x0]
cbnz w2, loop
//
// OK, we have the mutex, our work is done here
//
ret
.cfi_endproc
.type _mutex_release, "function"
.cfi_startproc
_mutex_release:
mov w1, #0
stlr w1, [x0]
ret
.cfi_endproc
#else // LSE version
.type _mutex_acquire, "function"
.cfi_startproc
_mutex_acquire:
// This uses a "ticket lock". The lock is stored as a 32-bit value:
// - the upper 16-bits record the thread's ticket number ("take a ticket")
// - the lower 16-bits record the ticket being served ("now serving")
// atomically load then increment the thread's ticket number ("take a ticket")
mov w3, #(1 << 16)
ldadda w3, w1, [x0]
// is the ticket now being served?
eor w2, w1, w1, ror #16
cbz w2, loop_exit
// no, so wait for the ticket to be served
// send a local event to avoid missing an unlock before the exclusive load
sevl
loop:
wfe
ldaxrh w3, [x0]
eor w2, w3, w1, lsr #16
cbnz w2, loop
//
// OK, we have the mutex, our work is done here
//
loop_exit:
ret
.cfi_endproc
.type _mutex_release, "function"
.cfi_startproc
_mutex_release:
mov w1, #1
staddlh w1, [x0]
ret
.cfi_endproc
#endif

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@@ -0,0 +1,66 @@
/*
* Armv8-A AArch64 - Basic Mutex Example
*
* Copyright (c) 2012-2014 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#ifndef MP_MUTEX_H
#define MP_MUTEX_H
/*
* The Arm C library calls-out to these functions to manage multithreading.
* They can also be called by user application code.
*
* Mutex type is specified by the Arm C library
*
* Declare function prototypes for libc mutex routines
*/
typedef signed int *mutex;
/*
* int _mutex_initialize(mutex *m)
*
* Inputs
* mutex *m - pointer to the 32-bit word associated with the mutex
*
* Returns
* 0 - application is non-threaded
* 1 - application is threaded
* The C library uses the return result to indicate whether it is being used in a multithreaded environment.
*/
int _mutex_initialize(mutex *m);
/*
* void _mutex_acquire(mutex *m)
*
* Inputs
* mutex *m - pointer to the 32-bit word associated with the mutex
*
* Returns
* <nothing>
*
* Side Effects
* Routine does not return until the mutex has been claimed. A load-acquire
* is used to guarantee that the mutex claim is properly ordered with
* respect to any accesses to the resource protected by the mutex
*/
void _mutex_acquire(mutex *m);
/*
* void _mutex_release(mutex *m)
*
* Inputs
* mutex *m - pointer to the 32-bit word associated with the mutex
*
* Returns
* <nothing>
*
* Side Effects
* A store-release is used to guarantee that the mutex release is properly
* ordered with respect any accesses to the resource protected by the mutex
*/
void _mutex_release(mutex *m);
#endif

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@@ -0,0 +1,66 @@
//
// Private Peripheral Map for the v8 Architecture Envelope Model
//
// Copyright (c) 2012-2017 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
//
#ifndef PPM_AEM_H
#define PPM_AEM_H
//
// Distributor layout
//
#define GICD_CTLR 0x0000
#define GICD_TYPER 0x0004
#define GICD_IIDR 0x0008
#define GICD_IGROUP 0x0080
#define GICD_ISENABLE 0x0100
#define GICD_ICENABLE 0x0180
#define GICD_ISPEND 0x0200
#define GICD_ICPEND 0x0280
#define GICD_ISACTIVE 0x0300
#define GICD_ICACTIVE 0x0380
#define GICD_IPRIORITY 0x0400
#define GICD_ITARGETS 0x0800
#define GICD_ICFG 0x0c00
#define GICD_PPISR 0x0d00
#define GICD_SPISR 0x0d04
#define GICD_SGIR 0x0f00
#define GICD_CPENDSGI 0x0f10
#define GICD_SPENDSGI 0x0f20
#define GICD_PIDR4 0x0fd0
#define GICD_PIDR5 0x0fd4
#define GICD_PIDR6 0x0fd8
#define GICD_PIDR7 0x0fdc
#define GICD_PIDR0 0x0fe0
#define GICD_PIDR1 0x0fe4
#define GICD_PIDR2 0x0fe8
#define GICD_PIDR3 0x0fec
#define GICD_CIDR0 0x0ff0
#define GICD_CIDR1 0x0ff4
#define GICD_CIDR2 0x0ff8
#define GICD_CIDR3 0x0ffc
//
// CPU Interface layout
//
#define GICC_CTLR 0x0000
#define GICC_PMR 0x0004
#define GICC_BPR 0x0008
#define GICC_IAR 0x000c
#define GICC_EOIR 0x0010
#define GICC_RPR 0x0014
#define GICC_HPPIR 0x0018
#define GICC_ABPR 0x001c
#define GICC_AIAR 0x0020
#define GICC_AEOIR 0x0024
#define GICC_AHPPIR 0x0028
#define GICC_APR0 0x00d0
#define GICC_NSAPR0 0x00e0
#define GICC_IIDR 0x00fc
#define GICC_DIR 0x1000
#endif // PPM_AEM_H

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@@ -0,0 +1,107 @@
;********************************************************
; Scatter file for Armv8-A Startup code on FVP Base model
; Copyright (c) 2014-2017 Arm Limited (or its affiliates). All rights reserved.
; Use, modification and redistribution of this file is subject to your possession of a
; valid End User License Agreement for the Arm Product of which these examples are part of
; and your compliance with all applicable terms and conditions of such licence agreement.
;********************************************************
LOAD 0x80000000
{
EXEC +0
{
startup.o (StartUp, +FIRST)
* (+RO, +RW, +ZI)
}
;
; App stacks for all CPUs
; All stacks and heap are aligned to a cache-line boundary
;
ARM_LIB_STACK +0 ALIGN 64 EMPTY 8 * 0x4000 {}
;
; Separate heap - import symbol __use_two_region_memory
; in source code for this to work correctly
;
ARM_LIB_HEAP +0 ALIGN 64 EMPTY 0xA0000 {}
;
; Handler stacks for all CPUs
; All stacks and heap are aligned to a cache-line boundary
;
HANDLER_STACK +0 ALIGN 64 EMPTY 4 * 0x4000 {}
;
; Stacks for EL3
;
EL3_STACKS +0 ALIGN 64 EMPTY 8 * 0x1000 {}
;
; Strictly speaking, the L1 tables do not need to
; be so strongly aligned, but no matter
;
TTB0_L1 +0 ALIGN 4096 EMPTY 0x1000 {}
;
; Various sets of L2 tables
;
; Alignment is 4KB, since the code uses a 4K page
; granularity - larger granularities would require
; correspondingly stricter alignment
;
TTB0_L2_RAM +0 ALIGN 4096 EMPTY 0x1000 {}
TTB0_L2_PRIVATE +0 ALIGN 4096 EMPTY 0x1000 {}
TTB0_L2_PERIPH +0 ALIGN 4096 EMPTY 0x1000 {}
MODULE_ABSOLUTE 0x80180000 EMPTY 0x60000 {}
SHARED_MEMORY 0x801F0000 EMPTY 0x8000 {}
;
; The startup code uses the end of this region to calculate
; the top of memory - do not place any RAM regions after it
;
TOP_OF_RAM +0 EMPTY 4 {}
;
; CS3 Peripherals is a 64MB region from 0x1c000000
; that includes the following:
; System Registers at 0x1C010000
; UART0 (PL011) at 0x1C090000
; Color LCD Controller (PL111) at 0x1C1F0000
; plus a number of others.
; CS3_PERIPHERALS is used by the startup code for page-table generation
; This region is not truly empty, but we have no
; predefined objects that live within it
;
CS3_PERIPHERALS 0x1c000000 EMPTY 0x90000 {}
;
; Place the UART peripheral registers data structure
; This is only really needed if USE_SERIAL_PORT is defined, but
; the linker will remove unused sections if not needed
; PL011 0x1c090000 UNINIT 0x1000
; {
; uart.o (+ZI)
; }
; Note that some other CS3_PERIPHERALS follow this
;
; GICv3 distributor
;
GICD 0x2f000000 UNINIT 0x8000
{
GICv3_gicd.o (.bss.distributor)
}
;
; GICv3 redistributors
; 128KB for each redistributor in the system
;
GICR 0x2f100000 UNINIT 0x80000
{
GICv3_gicr.o (.bss.redistributor)
}
}

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/* Small demonstration of the ThreadX module manager. */
#include "tx_api.h"
#include "txm_module.h"
#include <stddef.h>
/* Define the ThreadX module manager thread and stack... */
TX_THREAD module_manager;
#define MODULE_MANAGER_STACK_SIZE (1024 * 4)
ALIGN_TYPE module_manager_stack[MODULE_MANAGER_STACK_SIZE / sizeof(ALIGN_TYPE)];
/* Define the module instance object */
TXM_MODULE_INSTANCE my_module;
/* The module code should be loaded here. */
#define MODULE_CODE (0x80180000)
/* Define the object pool area. */
UCHAR object_memory[1024 * 16];
/* Define the module data pool area. */
#define MODULE_DATA_SIZE (1024 * 32)
ALIGN_TYPE MODULE_DATA [MODULE_DATA_SIZE / sizeof(ALIGN_TYPE)];
/* Define the count of memory faults. */
ULONG memory_faults = 0;
/* Define thread prototypes. */
void module_manager_entry(ULONG thread_input);
#ifdef TX_ENABLE_EVENT_TRACE
UCHAR event_buffer[65536];
#endif
/* Define main entry point. */
int main(void)
{
/* Initialize timer for ThreadX. */
extern void init_timer(void); /* in timer_interrupts.c */
init_timer();
/* Enter the ThreadX kernel. */
tx_kernel_enter();
/* The functions doesn't really return*/
return 0;
}
ULONG simple_thread_counter = 0;
TX_THREAD simple_thread;
#define SIMPLE_THREAD_STACK_SIZE (1024 * 4)
ALIGN_TYPE simple_thread_stack[SIMPLE_THREAD_STACK_SIZE / sizeof(ALIGN_TYPE)];
void simple_thread_entry(ULONG thread_input)
{
while(1)
{
simple_thread_counter++;
tx_thread_sleep(2);
}
}
/* Define what the initial system looks like. */
void tx_application_define(void *first_unused_memory)
{
tx_thread_create(
&module_manager,
"Module Manager Thread",
module_manager_entry, 0,
module_manager_stack, MODULE_MANAGER_STACK_SIZE,
1, 1,
TX_NO_TIME_SLICE,
TX_AUTO_START);
tx_thread_create(
&simple_thread,
"Simple Thread",
simple_thread_entry, 0,
simple_thread_stack, SIMPLE_THREAD_STACK_SIZE,
1, 1,
TX_NO_TIME_SLICE,
TX_AUTO_START);
}
/* Define the test threads. */
void module_manager_entry(ULONG thread_input)
{
/* Initialize the module manager. */
txm_module_manager_initialize((void *) MODULE_DATA, MODULE_DATA_SIZE);
txm_module_manager_object_pool_create(object_memory, sizeof(object_memory));
/* Load the module with absolute address linkage, in this example it is placed there by the multiple image download. */
txm_module_manager_absolute_load(&my_module, "my module", (void *) MODULE_CODE);
/* Start the module. */
txm_module_manager_start(&my_module);
/* Sleep for a while.... */
{
int i;
for (i = 0; i < 10; i++)
{
tx_thread_sleep(10);
}
}
/* Stop the module. */
txm_module_manager_stop(&my_module);
/* Unload the module. */
txm_module_manager_unload(&my_module);
/* Load the module again. */
txm_module_manager_absolute_load(&my_module, "my module", (void *) MODULE_CODE);
/* Start the module again. */
txm_module_manager_start(&my_module);
/* Now just spin... */
while(1)
{
tx_thread_sleep(10);
}
}

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// ------------------------------------------------------------
// SP804 Dual Timer
//
// Copyright (c) 2009-2017 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
// ------------------------------------------------------------
#include "sp804_timer.h"
#define TIMER_SP804_CTRL_TIMEREN (1 << 7)
#define TIMER_SP804_CTRL_TIMERMODE (1 << 6) // Bit 6:
#define TIMER_SP804_CTRL_INTENABLE (1 << 5)
#define TIMER_SP804_CTRL_TIMERSIZE (1 << 1) // Bit 1: 0=16-bit, 1=32-bit
#define TIMER_SP804_CTRL_ONESHOT (1 << 0) // Bit 0: 0=wrapping, 1=one-shot
#define TIMER_SP804_CTRL_PRESCALE_1 (0 << 2) // clk/1
#define TIMER_SP804_CTRL_PRESCALE_4 (1 << 2) // clk/4
#define TIMER_SP804_CTRL_PRESCALE_8 (2 << 2) // clk/8
struct sp804_timer
{
volatile uint32_t Time1Load; // +0x00
const volatile uint32_t Time1Value; // +0x04 - RO
volatile uint32_t Timer1Control; // +0x08
volatile uint32_t Timer1IntClr; // +0x0C - WO
const volatile uint32_t Timer1RIS; // +0x10 - RO
const volatile uint32_t Timer1MIS; // +0x14 - RO
volatile uint32_t Timer1BGLoad; // +0x18
volatile uint32_t Time2Load; // +0x20
volatile uint32_t Time2Value; // +0x24
volatile uint8_t Timer2Control; // +0x28
volatile uint32_t Timer2IntClr; // +0x2C - WO
const volatile uint32_t Timer2RIS; // +0x30 - RO
const volatile uint32_t Timer2MIS; // +0x34 - RO
volatile uint32_t Timer2BGLoad; // +0x38
// Not including ID registers
};
// Instance of the dual timer, will be placed using the scatter file
struct sp804_timer* dual_timer;
// Set base address of timer
// address - virtual address of SP804 timer
void setTimerBaseAddress(uint64_t address)
{
dual_timer = (struct sp804_timer*)address;
return;
}
// Sets up the private timer
// load_value - Initial value of timer
// auto_reload - Periodic (SP804_AUTORELOAD) or one shot (SP804_SINGLESHOT)
// interrupt - Whether to generate an interrupt
void initTimer(uint32_t load_value, uint32_t auto_reload, uint32_t interrupt)
{
uint32_t tmp = 0;
dual_timer->Time1Load = load_value;
// Fixed setting: 32-bit, no prescaling
tmp = TIMER_SP804_CTRL_TIMERSIZE | TIMER_SP804_CTRL_PRESCALE_1 | TIMER_SP804_CTRL_TIMERMODE;
// Settings from parameters: interrupt generation & reload
tmp = tmp | interrupt | auto_reload;
// Write control register
dual_timer->Timer1Control = tmp;
return;
}
// Starts the timer
void startTimer(void)
{
uint32_t tmp;
tmp = dual_timer->Timer1Control;
tmp = tmp | TIMER_SP804_CTRL_TIMEREN; // Set TimerEn (bit 7)
dual_timer->Timer1Control = tmp;
return;
}
// Stops the timer
void stopTimer(void)
{
uint32_t tmp;
tmp = dual_timer->Timer1Control;
tmp = tmp & ~TIMER_SP804_CTRL_TIMEREN; // Clear TimerEn (bit 7)
dual_timer->Timer1Control = tmp;
return;
}
// Returns the current timer count
uint32_t getTimerCount(void)
{
return dual_timer->Time1Value;
}
void clearTimerIrq(void)
{
// A write to this register, of any value, clears the interrupt
dual_timer->Timer1IntClr = 1;
}
// ------------------------------------------------------------
// End of sp804_timer.c
// ------------------------------------------------------------

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// ------------------------------------------------------------
// SP804 Dual Timer
// Header Filer
//
// Copyright (c) 2009-2017 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
// ------------------------------------------------------------
#ifndef _SP804_TIMER_
#define _SP804_TIMER_
#include <stdint.h>
// Set base address of timer
// address - virtual address of SP804 timer
void setTimerBaseAddress(uint64_t address);
// Sets up the private timer
// load_value - Initial value of timer
// auto_reload - Periodic (SP804_AUTORELOAD) or one shot (SP804_SINGLESHOT)
// interrupt - Whether to generate an interrupt
#define SP804_AUTORELOAD (0)
#define SP804_SINGLESHOT (1)
#define SP804_GENERATE_IRQ (1 << 5)
#define SP804_NO_IRQ (0)
void initTimer(uint32_t load_value, uint32_t auto_reload, uint32_t interrupt);
// Starts the timer
void startTimer(void);
// Stops the timer
void stopTimer(void);
// Returns the current timer count
uint32_t getTimerCount(void);
// Clears the timer interrupt
void clearTimerIrq(void);
#endif
// ------------------------------------------------------------
// End of sp804_timer.h
// ------------------------------------------------------------

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// ------------------------------------------------------------
// Armv8-A MPCore EL3 AArch64 Startup Code
//
// Basic Vectors, MMU, caches and GICv3 initialization
//
// Exits in EL1 AArch64
//
// Copyright (c) 2014-2019 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
// ------------------------------------------------------------
#include "v8_mmu.h"
#include "v8_system.h"
.section StartUp, "ax"
.balign 4
.cfi_sections .debug_frame // put stack frame info into .debug_frame instead of .eh_frame
.global el1_vectors
.global el2_vectors
.global el3_vectors
.global InvalidateUDCaches
.global ZeroBlock
.global SetPrivateIntSecurityBlock
.global SetSPISecurityAll
.global SetPrivateIntPriority
.global GetGICR
.global WakeupGICR
.global SyncAREinGICD
.global EnableGICD
.global EnablePrivateInt
.global GetPrivateIntPending
.global ClearPrivateIntPending
.global __main
//.global MainApp
.global Image$$EXEC$$RO$$Base
.global Image$$TTB0_L1$$ZI$$Base
.global Image$$TTB0_L2_RAM$$ZI$$Base
.global Image$$TTB0_L2_PERIPH$$ZI$$Base
.global Image$$TOP_OF_RAM$$ZI$$Base
.global Image$$GICD$$ZI$$Base
.global Image$$ARM_LIB_STACK$$ZI$$Limit
.global Image$$EL3_STACKS$$ZI$$Limit
.global Image$$CS3_PERIPHERALS$$ZI$$Base
// use separate stack and heap, as anticipated by scatter.scat
.global __use_two_region_memory
// ------------------------------------------------------------
.global start64
.type start64, "function"
start64:
//
// program the VBARs
//
ldr x1, =el1_vectors
msr VBAR_EL1, x1
ldr x1, =el2_vectors
msr VBAR_EL2, x1
ldr x1, =el3_vectors
msr VBAR_EL3, x1
// GIC-500 comes out of reset in GICv2 compatibility mode - first set
// system register enables for all relevant exception levels, and
// select GICv3 operating mode
//
msr SCR_EL3, xzr // Ensure NS bit is initially clear, so secure copy of ICC_SRE_EL1 can be configured
isb
mov x0, #15
msr ICC_SRE_EL3, x0
isb
msr ICC_SRE_EL1, x0 // Secure copy of ICC_SRE_EL1
//
// set lower exception levels as non-secure, with no access
// back to EL2 or EL3, and are AArch64 capable
//
mov x3, #(SCR_EL3_RW | \
SCR_EL3_SMD | \
SCR_EL3_NS) // Set NS bit, to access Non-secure registers
msr SCR_EL3, x3
isb
mov x0, #15
msr ICC_SRE_EL2, x0
isb
msr ICC_SRE_EL1, x0 // Non-secure copy of ICC_SRE_EL1
//
// no traps or VM modifications from the Hypervisor, EL1 is AArch64
//
mov x2, #HCR_EL2_RW
msr HCR_EL2, x2
//
// VMID is still significant, even when virtualisation is not
// being used, so ensure VTTBR_EL2 is properly initialised
//
msr VTTBR_EL2, xzr
//
// VMPIDR_EL2 holds the value of the Virtualization Multiprocessor ID. This is the value returned by Non-secure EL1 reads of MPIDR_EL1.
// VPIDR_EL2 holds the value of the Virtualization Processor ID. This is the value returned by Non-secure EL1 reads of MIDR_EL1.
// Both of these registers are architecturally UNKNOWN at reset, and so they must be set to the correct value
// (even if EL2/virtualization is not being used), otherwise non-secure EL1 reads of MPIDR_EL1/MIDR_EL1 will return garbage values.
// This guarantees that any future reads of MPIDR_EL1 and MIDR_EL1 from Non-secure EL1 will return the correct value.
//
mrs x0, MPIDR_EL1
msr VMPIDR_EL2, x0
mrs x0, MIDR_EL1
msr VPIDR_EL2, x0
// extract the core number from MPIDR_EL1 and store it in
// x19 (defined by the AAPCS as callee-saved), so we can re-use
// the number later
//
bl GetCPUID
mov x19, x0
//
// neither EL3 nor EL2 trap floating point or accesses to CPACR
//
msr CPTR_EL3, xzr
msr CPTR_EL2, xzr
//
// SCTLR_ELx may come out of reset with UNKNOWN values so we will
// set the fields to 0 except, possibly, the endianess field(s).
// Note that setting SCTLR_EL2 or the EL0 related fields of SCTLR_EL1
// is not strictly needed, since we're never in EL2 or EL0
//
#ifdef __ARM_BIG_ENDIAN
mov x0, #(SCTLR_ELx_EE | SCTLR_EL1_E0E)
#else
mov x0, #0
#endif
msr SCTLR_EL3, x0
msr SCTLR_EL2, x0
msr SCTLR_EL1, x0
#ifdef CORTEXA
//
// Configure ACTLR_EL[23]
// ----------------------
//
// These bits are IMPLEMENTATION DEFINED, so are different for
// different processors
//
// For Cortex-A57, the controls we set are:
//
// Enable lower level access to CPUACTLR_EL1
// Enable lower level access to CPUECTLR_EL1
// Enable lower level access to L2CTLR_EL1
// Enable lower level access to L2ECTLR_EL1
// Enable lower level access to L2ACTLR_EL1
//
mov x0, #((1 << 0) | \
(1 << 1) | \
(1 << 4) | \
(1 << 5) | \
(1 << 6))
msr ACTLR_EL3, x0
msr ACTLR_EL2, x0
//
// configure CPUECTLR_EL1
//
// These bits are IMP DEF, so need to different for different
// processors
//
// SMPEN - bit 6 - Enables the processor to receive cache
// and TLB maintenance operations
//
// Note: For Cortex-A57/53 SMPEN should be set before enabling
// the caches and MMU, or performing any cache and TLB
// maintenance operations.
//
// This register has a defined reset value, so we use a
// read-modify-write sequence to set SMPEN
//
mrs x0, S3_1_c15_c2_1 // Read EL1 CPU Extended Control Register
orr x0, x0, #(1 << 6) // Set the SMPEN bit
msr S3_1_c15_c2_1, x0 // Write EL1 CPU Extended Control Register
isb
#endif
//
// That's the last of the control settings for now
//
// Note: no ISB after all these changes, as registers won't be
// accessed until after an exception return, which is itself a
// context synchronisation event
//
//
// Setup some EL3 stack space, ready for calling some subroutines, below.
//
// Stack space allocation is CPU-specific, so use CPU
// number already held in x19
//
// 2^12 bytes per CPU for the EL3 stacks
//
ldr x0, =Image$$EL3_STACKS$$ZI$$Limit
sub x0, x0, x19, lsl #12
mov sp, x0
//
// we need to configure the GIC while still in secure mode, specifically
// all PPIs and SPIs have to be programmed as Group1 interrupts
//
//
// Before the GIC can be reliably programmed, we need to
// enable Affinity Routing, as this affects where the configuration
// registers are (with Affinity Routing enabled, some registers are
// in the Redistributor, whereas those same registers are in the
// Distributor with Affinity Routing disabled (i.e. when in GICv2
// compatibility mode).
//
mov x0, #(1 << 4) | (1 << 5) // gicdctlr_ARE_S | gicdctlr_ARE_NS
mov x1, x19
bl SyncAREinGICD
//
// The Redistributor comes out of reset assuming the processor is
// asleep - correct that assumption
//
bl GetAffinity
bl GetGICR
mov w20, w0 // Keep a copy for later
bl WakeupGICR
//
// Now we're ready to set security and other initialisations
//
// This is a per-CPU configuration for these interrupts
//
// for the first cluster, CPU number is the redistributor index
//
mov w0, w20
mov w1, #1 // gicigroupr_G1NS
bl SetPrivateIntSecurityBlock
//
// While we're in the Secure World, set the priority mask low enough
// for it to be writable in the Non-Secure World
//
//mov x0, #16 << 3 // 5 bits of priority in the Secure world
mov x0, #0xFF // for Non-Secure interrupts
msr ICC_PMR_EL1, x0
//
// there's more GIC setup to do, but only for the primary CPU
//
cbnz x19, drop_to_el1
//
// There's more to do to the GIC - call the utility routine to set
// all SPIs to Group1
//
mov w0, #1 // gicigroupr_G1NS
bl SetSPISecurityAll
//
// Set up EL1 entry point and "dummy" exception return information,
// then perform exception return to enter EL1
//
.global drop_to_el1
drop_to_el1:
adr x1, el1_entry_aarch64
msr ELR_EL3, x1
mov x1, #(AARCH64_SPSR_EL1h | \
AARCH64_SPSR_F | \
AARCH64_SPSR_I | \
AARCH64_SPSR_A)
msr SPSR_EL3, x1
eret
// ------------------------------------------------------------
// EL1 - Common start-up code
// ------------------------------------------------------------
.global el1_entry_aarch64
.type el1_entry_aarch64, "function"
el1_entry_aarch64:
//
// Now we're in EL1, setup the application stack
// the scatter file allocates 2^14 bytes per app stack
//
ldr x0, =Image$$HANDLER_STACK$$ZI$$Limit
sub x0, x0, x19, lsl #14
mov sp, x0
MSR SPSel, #0
ISB
ldr x0, =Image$$ARM_LIB_STACK$$ZI$$Limit
sub x0, x0, x19, lsl #14
mov sp, x0
//
// Enable floating point
//
mov x0, #CPACR_EL1_FPEN
msr CPACR_EL1, x0
//
// Invalidate caches and TLBs for all stage 1
// translations used at EL1
//
// Cortex-A processors automatically invalidate their caches on reset
// (unless suppressed with the DBGL1RSTDISABLE or L2RSTDISABLE pins).
// It is therefore not necessary for software to invalidate the caches
// on startup, however, this is done here in case of a warm reset.
bl InvalidateUDCaches
tlbi VMALLE1
//
// Set TTBR0 Base address
//
// The CPUs share one set of translation tables that are
// generated by CPU0 at run-time
//
// TTBR1_EL1 is not used in this example
//
ldr x1, =Image$$TTB0_L1$$ZI$$Base
msr TTBR0_EL1, x1
//
// Set up memory attributes
//
// These equate to:
//
// 0 -> 0b01000100 = 0x00000044 = Normal, Inner/Outer Non-Cacheable
// 1 -> 0b11111111 = 0x0000ff00 = Normal, Inner/Outer WriteBack Read/Write Allocate
// 2 -> 0b00000100 = 0x00040000 = Device-nGnRE
//
mov x1, #0xff44
movk x1, #4, LSL #16 // equiv to: movk x1, #0x0000000000040000
msr MAIR_EL1, x1
//
// Set up TCR_EL1
//
// We're using only TTBR0 (EPD1 = 1), and the page table entries:
// - are using an 8-bit ASID from TTBR0
// - have a 4K granularity (TG0 = 0b00)
// - are outer-shareable (SH0 = 0b10)
// - are using Inner & Outer WBWA Normal memory ([IO]RGN0 = 0b01)
// - map
// + 32 bits of VA space (T0SZ = 0x20)
// + into a 32-bit PA space (IPS = 0b000)
//
// 36 32 28 24 20 16 12 8 4 0
// -----+----+----+----+----+----+----+----+----+----+
// | | |OOII| | | |OOII| | |
// TT | | |RRRR|E T | T| |RRRR|E T | T|
// BB | I I|TTSS|GGGG|P 1 | 1|TTSS|GGGG|P 0 | 0|
// IIA| P P|GGHH|NNNN|DAS | S|GGHH|NNNN|D S | S|
// 10S| S-S|1111|1111|11Z-|---Z|0000|0000|0 Z-|---Z|
//
// 000 0000 0000 0000 1000 0000 0010 0101 0010 0000
//
// 0x 8 0 2 5 2 0
//
// Note: the ISB is needed to ensure the changes to system
// context are before the write of SCTLR_EL1.M to enable
// the MMU. It is likely on a "real" implementation that
// this setup would work without an ISB, due to the
// amount of code that gets executed before enabling the
// MMU, but that would not be architecturally correct.
//
ldr x1, =0x0000000000802520
msr TCR_EL1, x1
isb
//
// x19 already contains the CPU number, so branch to secondary
// code if we're not on CPU0
//
cbnz x19, el1_secondary
//
// Fall through to primary code
//
//
// ------------------------------------------------------------
//
// EL1 - primary CPU init code
//
// This code is run on CPU0, while the other CPUs are in the
// holding pen
//
.global el1_primary
.type el1_primary, "function"
el1_primary:
//
// Turn on the banked GIC distributor enable,
// ready for individual CPU enables later
//
mov w0, #(1 << 1) // gicdctlr_EnableGrp1A
bl EnableGICD
//
// Generate TTBR0 L1
//
// at 4KB granularity, 32-bit VA space, table lookup starts at
// L1, with 1GB regions
//
// we are going to create entries pointing to L2 tables for a
// couple of these 1GB regions, the first of which is the
// RAM on the VE board model - get the table addresses and
// start by emptying out the L1 page tables (4 entries at L1
// for a 4K granularity)
//
// x21 = address of L1 tables
//
ldr x21, =Image$$TTB0_L1$$ZI$$Base
mov x0, x21
mov x1, #(4 << 3)
bl ZeroBlock
//
// time to start mapping the RAM regions - clear out the
// L2 tables and point to them from the L1 tables
//
// x22 = address of L2 tables, needs to be remembered in case
// we want to re-use the tables for mapping peripherals
//
ldr x22, =Image$$TTB0_L2_RAM$$ZI$$Base
mov x1, #(512 << 3)
mov x0, x22
bl ZeroBlock
//
// Get the start address of RAM (the EXEC region) into x4
// and calculate the offset into the L1 table (1GB per region,
// max 4GB)
//
// x23 = L1 table offset, saved for later comparison against
// peripheral offset
//
ldr x4, =Image$$EXEC$$RO$$Base
ubfx x23, x4, #30, #2
orr x1, x22, #TT_S1_ATTR_PAGE
str x1, [x21, x23, lsl #3]
//
// we've already used the RAM start address in x4 - we now need
// to get this in terms of an offset into the L2 page tables,
// where each entry covers 2MB
//
ubfx x2, x4, #21, #9
//
// TOP_OF_RAM in the scatter file marks the end of the
// Execute region in RAM: convert the end of this region to an
// offset too, being careful to round up, then calculate the
// number of entries to write
//
ldr x5, =Image$$TOP_OF_RAM$$ZI$$Base
sub x3, x5, #1
ubfx x3, x3, #21, #9
add x3, x3, #1
sub x3, x3, x2
//
// set x1 to the required page table attributes, then orr
// in the start address (modulo 2MB)
//
// L2 tables in our configuration cover 2MB per entry - map
// memory as Shared, Normal WBWA (MAIR[1]) with a flat
// VA->PA translation
//
bic x4, x4, #((1 << 21) - 1)
ldr x1, =(TT_S1_ATTR_BLOCK | \
(1 << TT_S1_ATTR_MATTR_LSB) | \
TT_S1_ATTR_NS | \
TT_S1_ATTR_AP_RW_PL1 | \
TT_S1_ATTR_SH_INNER | \
TT_S1_ATTR_AF | \
TT_S1_ATTR_nG)
orr x1, x1, x4
//
// factor the offset into the page table address and then write
// the entries
//
add x0, x22, x2, lsl #3
loop1:
subs x3, x3, #1
str x1, [x0], #8
add x1, x1, #0x200, LSL #12 // equiv to add x1, x1, #(1 << 21) // 2MB per entry
bne loop1
//
// now mapping the Peripheral regions - clear out the
// L2 tables and point to them from the L1 tables
//
// The assumption here is that all peripherals live within
// a common 1GB region (i.e. that there's a single set of
// L2 pages for all the peripherals). We only use a UART
// and the GIC in this example, so the assumption is sound
//
// x24 = address of L2 peripheral tables
//
ldr x24, =Image$$TTB0_L2_PERIPH$$ZI$$Base
//
// get the GICD address into x4 and calculate
// the offset into the L1 table
//
// x25 = L1 table offset
//
ldr x4, =Image$$GICD$$ZI$$Base
ubfx x25, x4, #30, #2
//
// here's the tricky bit: it's possible that the peripherals are
// in the same 1GB region as the RAM, in which case we don't need
// to prime a separate set of L2 page tables, nor add them to the
// L1 tables
//
// if we're going to re-use the TTB0_L2_RAM tables, get their
// address into x24, which is used later on to write the PTEs
//
cmp x25, x23
csel x24, x22, x24, EQ
b.eq nol2setup
//
// Peripherals are in a separate 1GB region, and so have their own
// set of L2 tables - clean out the tables and add them to the L1
// table
//
mov x0, x24
mov x1, #512 << 3
bl ZeroBlock
orr x1, x24, #TT_S1_ATTR_PAGE
str x1, [x21, x25, lsl #3]
//
// there's only going to be a single 2MB region for GICD (in
// x4) - get this in terms of an offset into the L2 page tables
//
// with larger systems, it is possible that the GIC redistributor
// registers require extra 2MB pages, in which case extra code
// would be required here
//
nol2setup:
ubfx x2, x4, #21, #9
//
// set x1 to the required page table attributes, then orr
// in the start address (modulo 2MB)
//
// L2 tables in our configuration cover 2MB per entry - map
// memory as NS Device-nGnRE (MAIR[2]) with a flat VA->PA
// translation
//
bic x4, x4, #((1 << 21) - 1) // start address mod 2MB
ldr x1, =(TT_S1_ATTR_BLOCK | \
(2 << TT_S1_ATTR_MATTR_LSB) | \
TT_S1_ATTR_NS | \
TT_S1_ATTR_AP_RW_PL1 | \
TT_S1_ATTR_AF | \
TT_S1_ATTR_nG)
orr x1, x1, x4
//
// only a single L2 entry for this, so no loop as we have for RAM, above
//
str x1, [x24, x2, lsl #3]
//
// we have CS3_PERIPHERALS that include the UART controller
//
// Again, the code is making assumptions - this time that the CS3_PERIPHERALS
// region uses the same 1GB portion of the address space as the GICD,
// and thus shares the same set of L2 page tables
//
// Get CS3_PERIPHERALS address into x4 and calculate the offset into the
// L2 tables
//
ldr x4, =Image$$CS3_PERIPHERALS$$ZI$$Base
ubfx x2, x4, #21, #9
//
// set x1 to the required page table attributes, then orr
// in the start address (modulo 2MB)
//
// L2 tables in our configuration cover 2MB per entry - map
// memory as NS Device-nGnRE (MAIR[2]) with a flat VA->PA
// translation
//
bic x4, x4, #((1 << 21) - 1) // start address mod 2MB
ldr x1, =(TT_S1_ATTR_BLOCK | \
(2 << TT_S1_ATTR_MATTR_LSB) | \
TT_S1_ATTR_NS | \
TT_S1_ATTR_AP_RW_PL1 | \
TT_S1_ATTR_AF | \
TT_S1_ATTR_nG)
orr x1, x1, x4
//
// only a single L2 entry again - write it
//
str x1, [x24, x2, lsl #3]
//
// issue a barrier to ensure all table entry writes are complete
//
dsb ish
//
// Enable the MMU. Caches will be enabled later, after scatterloading.
//
mrs x1, SCTLR_EL1
orr x1, x1, #SCTLR_ELx_M
bic x1, x1, #SCTLR_ELx_A // Disable alignment fault checking. To enable, change bic to orr
msr SCTLR_EL1, x1
isb
//
// Branch to C library init code
//
b __main
// ------------------------------------------------------------
// AArch64 Arm C library startup add-in:
// The Arm Architecture Reference Manual for Armv8-A states:
//
// Instruction accesses to Non-cacheable Normal memory can be held in instruction caches.
// Correspondingly, the sequence for ensuring that modifications to instructions are available
// for execution must include invalidation of the modified locations from the instruction cache,
// even if the instructions are held in Normal Non-cacheable memory.
// This includes cases where the instruction cache is disabled.
//
// To invalidate the AArch64 instruction cache after scatter-loading and before initialization of the stack and heap,
// it is necessary for the user to:
//
// * Implement instruction cache invalidation code in _platform_pre_stackheap_init.
// * Ensure all code on the path from the program entry up to and including _platform_pre_stackheap_init is located in a root region.
//
// In this example, this function is only called once, by the primary core
.global _platform_pre_stackheap_init
.type _platform_pre_stackheap_init, "function"
.cfi_startproc
_platform_pre_stackheap_init:
dsb ish // ensure all previous stores have completed before invalidating
ic ialluis // I cache invalidate all inner shareable to PoU (which includes secondary cores)
dsb ish // ensure completion on inner shareable domain (which includes secondary cores)
isb
// Scatter-loading is complete, so enable the caches here, so that the C-library's mutex initialization later will work
mrs x1, SCTLR_EL1
orr x1, x1, #SCTLR_ELx_C
orr x1, x1, #SCTLR_ELx_I
msr SCTLR_EL1, x1
isb
ret
.cfi_endproc
// ------------------------------------------------------------
// EL1 - secondary CPU init code
//
// This code is run on CPUs 1, 2, 3 etc....
// ------------------------------------------------------------
.global el1_secondary
.type el1_secondary, "function"
el1_secondary:
//
// the primary CPU is going to use SGI 15 as a wakeup event
// to let us know when it is OK to proceed, so prepare for
// receiving that interrupt
//
// NS interrupt priorities run from 0 to 15, with 15 being
// too low a priority to ever raise an interrupt, so let's
// use 14
//
mov w0, w20
mov w1, #15
mov w2, #14 << 4 // we're in NS world, so 4 bits of priority,
// 8-bit field, - 4 = 4-bit shift
bl SetPrivateIntPriority
mov w0, w20
mov w1, #15
bl EnablePrivateInt
//
// set priority mask as low as possible; although,being in the
// NS World, we can't set bit[7] of the priority, we still
// write all 8-bits of priority to an ICC register
//
mov x0, #31 << 3
msr ICC_PMR_EL1, x0
//
// set global enable and wait for our interrupt to arrive
//
mov x0, #1
msr ICC_IGRPEN1_EL1, x0
isb
loop_wfi:
dsb SY // Clear all pending data accesses
wfi // Go to sleep
//
// something woke us from our wait, was it the required interrupt?
//
mov w0, w20
mov w1, #15
bl GetPrivateIntPending
cbz w0, loop_wfi
//
// it was - there's no need to actually take the interrupt,
// so just clear it
//
mov w0, w20
mov w1, #15
bl ClearPrivateIntPending
//
// Enable the MMU and caches
//
mrs x1, SCTLR_EL1
orr x1, x1, #SCTLR_ELx_M
orr x1, x1, #SCTLR_ELx_C
orr x1, x1, #SCTLR_ELx_I
bic x1, x1, #SCTLR_ELx_A // Disable alignment fault checking. To enable, change bic to orr
msr SCTLR_EL1, x1
isb
//
// Branch to thread start
//
//B MainApp
b __main

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/* Bare-metal example for Armv8-A FVP Base model */
/* Timer and interrupts */
/* Copyright (c) 2016-2018 Arm Limited (or its affiliates). All rights reserved. */
/* Use, modification and redistribution of this file is subject to your possession of a */
/* valid End User License Agreement for the Arm Product of which these examples are part of */
/* and your compliance with all applicable terms and conditions of such licence agreement. */
#include <stdio.h>
#include "GICv3.h"
#include "GICv3_gicc.h"
#include "sp804_timer.h"
void _tx_timer_interrupt(void);
// LED Base address
#define LED_BASE (volatile unsigned int *)0x1C010008
void nudge_leds(void) // Move LEDs along
{
static int state = 1;
static int value = 1;
if (state)
{
int max = (1 << 7);
value <<= 1;
if (value == max)
state = 0;
}
else
{
value >>= 1;
if (value == 1)
state = 1;
}
*LED_BASE = value; // Update LEDs hardware
}
// Initialize Timer 0 and Interrupt Controller
void init_timer(void)
{
// Enable interrupts
__asm("MSR DAIFClr, #0xF");
setICC_IGRPEN1_EL1(igrpEnable);
// Configure the SP804 timer to generate an interrupt
setTimerBaseAddress(0x1C110000);
initTimer(0x200, SP804_AUTORELOAD, SP804_GENERATE_IRQ);
startTimer();
// The SP804 timer generates SPI INTID 34. Enable
// this ID, and route it to core 0.0.0.0 (this one!)
SetSPIRoute(34, 0, gicdirouter_ModeSpecific); // Route INTID 34 to 0.0.0.0 (this core)
SetSPIPriority(34, 0); // Set INTID 34 to priority to 0
ConfigureSPI(34, gicdicfgr_Level); // Set INTID 34 as level-sensitive
EnableSPI(34); // Enable INTID 34
}
// --------------------------------------------------------
void irqHandler(void)
{
unsigned int ID;
ID = getICC_IAR1(); // readIntAck();
// Check for reserved IDs
if ((1020 <= ID) && (ID <= 1023))
{
//printf("irqHandler() - Reserved INTID %d\n\n", ID);
return;
}
switch(ID)
{
case 34:
// Dual-Timer 0 (SP804)
//printf("irqHandler() - External timer interrupt\n\n");
nudge_leds();
clearTimerIrq();
/* Call ThreadX timer interrupt processing. */
_tx_timer_interrupt();
break;
default:
// Unexpected ID value
//printf("irqHandler() - Unexpected INTID %d\n\n", ID);
break;
}
// Write the End of Interrupt register to tell the GIC
// we've finished handling the interrupt
setICC_EOIR1(ID); // writeAliasedEOI(ID);
}
// --------------------------------------------------------
// Not actually used in this example, but provided for completeness
void fiqHandler(void)
{
unsigned int ID;
unsigned int aliased = 0;
ID = getICC_IAR0(); // readIntAck();
//printf("fiqHandler() - Read %d from IAR0\n", ID);
// Check for reserved IDs
if ((1020 <= ID) && (ID <= 1023))
{
//printf("fiqHandler() - Reserved INTID %d\n\n", ID);
ID = getICC_IAR1(); // readAliasedIntAck();
//printf("fiqHandler() - Read %d from AIAR\n", ID);
aliased = 1;
// If still spurious then simply return
if ((1020 <= ID) && (ID <= 1023))
return;
}
switch(ID)
{
case 34:
// Dual-Timer 0 (SP804)
//printf("fiqHandler() - External timer interrupt\n\n");
clearTimerIrq();
break;
default:
// Unexpected ID value
//printf("fiqHandler() - Unexpected INTID %d\n\n", ID);
break;
}
// Write the End of Interrupt register to tell the GIC
// we've finished handling the interrupt
// NOTE: If the ID was read from the Aliased IAR, then
// the aliased EOI register must be used
if (aliased == 0)
setICC_EOIR0(ID); // writeEOI(ID);
else
setICC_EOIR1(ID); // writeAliasedEOI(ID);
}

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Initialize */
/** */
/**************************************************************************/
/**************************************************************************/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_initialize_low_level Cortex-A35/AC6 */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for any low-level processor */
/* initialization, including setting up interrupt vectors, setting */
/* up a periodic timer interrupt source, saving the system stack */
/* pointer for use in ISR processing later, and finding the first */
/* available RAM memory address for tx_application_define. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_initialize_kernel_enter ThreadX entry function */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* */
/**************************************************************************/
/* VOID _tx_initialize_low_level(VOID)
{ */
.global _tx_initialize_low_level
.type _tx_initialize_low_level, @function
_tx_initialize_low_level:
MSR DAIFSet, 0x3 // Lockout interrupts
/* Save the system stack pointer. */
/* _tx_thread_system_stack_ptr = (VOID_PTR) (sp); */
LDR x0, =_tx_thread_system_stack_ptr // Pickup address of system stack ptr
MOV x1, sp // Pickup SP
BIC x1, x1, #0xF // Get 16-bit alignment
STR x1, [x0] // Store system stack
/* Save the first available memory address. */
/* _tx_initialize_unused_memory = (VOID_PTR) Image$$ZI$$Limit; */
LDR x0, =_tx_initialize_unused_memory // Pickup address of unused memory ptr
LDR x1, =zi_limit // Pickup unused memory address
LDR x1, [x1] //
STR x1, [x0] // Store unused memory address
/* Done, return to caller. */
RET // Return to caller
/* } */
zi_limit:
.quad (Image$$TOP_OF_RAM$$Base)

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// ------------------------------------------------------------
// Armv8-A AArch64 - Common helper functions
//
// Copyright (c) 2012-2019 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
// ------------------------------------------------------------
#include "v8_system.h"
.text
.cfi_sections .debug_frame // put stack frame info into .debug_frame instead of .eh_frame
.global EnableCachesEL1
.global DisableCachesEL1
.global InvalidateUDCaches
.global GetMIDR
.global GetMPIDR
.global GetAffinity
.global GetCPUID
// ------------------------------------------------------------
//
// void EnableCachesEL1(void)
//
// enable Instruction and Data caches
//
.type EnableCachesEL1, "function"
.cfi_startproc
EnableCachesEL1:
mrs x0, SCTLR_EL1
orr x0, x0, #SCTLR_ELx_I
orr x0, x0, #SCTLR_ELx_C
msr SCTLR_EL1, x0
isb
ret
.cfi_endproc
// ------------------------------------------------------------
.type DisableCachesEL1, "function"
.cfi_startproc
DisableCachesEL1:
mrs x0, SCTLR_EL1
bic x0, x0, #SCTLR_ELx_I
bic x0, x0, #SCTLR_ELx_C
msr SCTLR_EL1, x0
isb
ret
.cfi_endproc
// ------------------------------------------------------------
//
// void InvalidateUDCaches(void)
//
// Invalidate data and unified caches
//
.type InvalidateUDCaches, "function"
.cfi_startproc
InvalidateUDCaches:
// From the Armv8-A Architecture Reference Manual
dmb ish // ensure all prior inner-shareable accesses have been observed
mrs x0, CLIDR_EL1
and w3, w0, #0x07000000 // get 2 x level of coherence
lsr w3, w3, #23
cbz w3, finished
mov w10, #0 // w10 = 2 x cache level
mov w8, #1 // w8 = constant 0b1
loop_level:
add w2, w10, w10, lsr #1 // calculate 3 x cache level
lsr w1, w0, w2 // extract 3-bit cache type for this level
and w1, w1, #0x7
cmp w1, #2
b.lt next_level // no data or unified cache at this level
msr CSSELR_EL1, x10 // select this cache level
isb // synchronize change of csselr
mrs x1, CCSIDR_EL1 // read ccsidr
and w2, w1, #7 // w2 = log2(linelen)-4
add w2, w2, #4 // w2 = log2(linelen)
ubfx w4, w1, #3, #10 // w4 = max way number, right aligned
clz w5, w4 // w5 = 32-log2(ways), bit position of way in dc operand
lsl w9, w4, w5 // w9 = max way number, aligned to position in dc operand
lsl w16, w8, w5 // w16 = amount to decrement way number per iteration
loop_way:
ubfx w7, w1, #13, #15 // w7 = max set number, right aligned
lsl w7, w7, w2 // w7 = max set number, aligned to position in dc operand
lsl w17, w8, w2 // w17 = amount to decrement set number per iteration
loop_set:
orr w11, w10, w9 // w11 = combine way number and cache number ...
orr w11, w11, w7 // ... and set number for dc operand
dc isw, x11 // do data cache invalidate by set and way
subs w7, w7, w17 // decrement set number
b.ge loop_set
subs x9, x9, x16 // decrement way number
b.ge loop_way
next_level:
add w10, w10, #2 // increment 2 x cache level
cmp w3, w10
b.gt loop_level
dsb sy // ensure completion of previous cache maintenance operation
isb
finished:
ret
.cfi_endproc
// ------------------------------------------------------------
//
// ID Register functions
//
.type GetMIDR, "function"
.cfi_startproc
GetMIDR:
mrs x0, MIDR_EL1
ret
.cfi_endproc
.type GetMPIDR, "function"
.cfi_startproc
GetMPIDR:
mrs x0, MPIDR_EL1
ret
.cfi_endproc
.type GetAffinity, "function"
.cfi_startproc
GetAffinity:
mrs x0, MPIDR_EL1
ubfx x1, x0, #32, #8
bfi w0, w1, #24, #8
ret
.cfi_endproc
.type GetCPUID, "function"
.cfi_startproc
GetCPUID:
mrs x0, MIDR_EL1
ubfx x0, x0, #4, #12 // extract PartNum
cmp x0, #0xD0D // Cortex-A77
b.eq DynamIQ
cmp x0, #0xD0B // Cortex-A76
b.eq DynamIQ
cmp x0, #0xD0A // Cortex-A75
b.eq DynamIQ
cmp x0, #0xD05 // Cortex-A55
b.eq DynamIQ
b Others
DynamIQ:
mrs x0, MPIDR_EL1
ubfx x0, x0, #MPIDR_EL1_AFF1_LSB, #MPIDR_EL1_AFF_WIDTH
ret
Others:
mrs x0, MPIDR_EL1
ubfx x1, x0, #MPIDR_EL1_AFF0_LSB, #MPIDR_EL1_AFF_WIDTH
ubfx x2, x0, #MPIDR_EL1_AFF1_LSB, #MPIDR_EL1_AFF_WIDTH
add x0, x1, x2, LSL #2
ret
.cfi_endproc

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/*
*
* Armv8-A AArch64 common helper functions
*
* Copyright (c) 2012-2014 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#ifndef V8_AARCH64_H
#define V8_AARCH64_H
/*
* Parameters for data barriers
*/
#define OSHLD 1
#define OSHST 2
#define OSH 3
#define NSHLD 5
#define NSHST 6
#define NSH 7
#define ISHLD 9
#define ISHST 10
#define ISH 11
#define LD 13
#define ST 14
#define SY 15
/**********************************************************************/
/*
* function prototypes
*/
/*
* void InvalidateUDCaches(void)
* invalidates all Unified and Data Caches
*
* Inputs
* <none>
*
* Returns
* <nothing>
*
* Side Effects
* guarantees that all levels of cache will be invalidated before
* returning to caller
*/
void InvalidateUDCaches(void);
/*
* unsigned long long EnableCachesEL1(void)
* enables I- and D- caches at EL1
*
* Inputs
* <none>
*
* Returns
* New value of SCTLR_EL1
*
* Side Effects
* context will be synchronised before returning to caller
*/
unsigned long long EnableCachesEL1(void);
/*
* unsigned long long GetMIDR(void)
* returns the contents of MIDR_EL0
*
* Inputs
* <none>
*
* Returns
* MIDR_EL0
*/
unsigned long long GetMIDR(void);
/*
* unsigned long long GetMPIDR(void)
* returns the contents of MPIDR_EL0
*
* Inputs
* <none>
*
* Returns
* MPIDR_EL0
*/
unsigned long long GetMPIDR(void);
/*
* unsigned int GetCPUID(void)
* returns the Aff0 field of MPIDR_EL0
*
* Inputs
* <none>
*
* Returns
* MPIDR_EL0[7:0]
*/
unsigned int GetCPUID(void);
#endif

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//
// Defines for v8 Memory Model
//
// Copyright (c) 2012-2019 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
//
#ifndef V8_MMU_H
#define V8_MMU_H
//
// Translation Control Register fields
//
// RGN field encodings
//
#define TCR_RGN_NC 0b00
#define TCR_RGN_WBWA 0b01
#define TCR_RGN_WT 0b10
#define TCR_RGN_WBRA 0b11
//
// Shareability encodings
//
#define TCR_SHARE_NONE 0b00
#define TCR_SHARE_OUTER 0b10
#define TCR_SHARE_INNER 0b11
//
// Granule size encodings
//
#define TCR_GRANULE_4K 0b00
#define TCR_GRANULE_64K 0b01
#define TCR_GRANULE_16K 0b10
//
// Physical Address sizes
//
#define TCR_SIZE_4G 0b000
#define TCR_SIZE_64G 0b001
#define TCR_SIZE_1T 0b010
#define TCR_SIZE_4T 0b011
#define TCR_SIZE_16T 0b100
#define TCR_SIZE_256T 0b101
//
// Translation Control Register fields
//
#define TCR_EL1_T0SZ_SHIFT 0
#define TCR_EL1_EPD0 (1 << 7)
#define TCR_EL1_IRGN0_SHIFT 8
#define TCR_EL1_ORGN0_SHIFT 10
#define TCR_EL1_SH0_SHIFT 12
#define TCR_EL1_TG0_SHIFT 14
#define TCR_EL1_T1SZ_SHIFT 16
#define TCR_EL1_A1 (1 << 22)
#define TCR_EL1_EPD1 (1 << 23)
#define TCR_EL1_IRGN1_SHIFT 24
#define TCR_EL1_ORGN1_SHIFT 26
#define TCR_EL1_SH1_SHIFT 28
#define TCR_EL1_TG1_SHIFT 30
#define TCR_EL1_IPS_SHIFT 32
#define TCR_EL1_AS (1 << 36)
#define TCR_EL1_TBI0 (1 << 37)
#define TCR_EL1_TBI1 (1 << 38)
//
// Stage 1 Translation Table descriptor fields
//
#define TT_S1_ATTR_FAULT (0b00 << 0)
#define TT_S1_ATTR_BLOCK (0b01 << 0) // Level 1/2
#define TT_S1_ATTR_TABLE (0b11 << 0) // Level 0/1/2
#define TT_S1_ATTR_PAGE (0b11 << 0) // Level 3
#define TT_S1_ATTR_MATTR_LSB 2
#define TT_S1_ATTR_NS (1 << 5)
#define TT_S1_ATTR_AP_RW_PL1 (0b00 << 6)
#define TT_S1_ATTR_AP_RW_ANY (0b01 << 6)
#define TT_S1_ATTR_AP_RO_PL1 (0b10 << 6)
#define TT_S1_ATTR_AP_RO_ANY (0b11 << 6)
#define TT_S1_ATTR_SH_NONE (0b00 << 8)
#define TT_S1_ATTR_SH_OUTER (0b10 << 8)
#define TT_S1_ATTR_SH_INNER (0b11 << 8)
#define TT_S1_ATTR_AF (1 << 10)
#define TT_S1_ATTR_nG (1 << 11)
// OA bits [15:12] - If Armv8.2-LPA is implemented, bits[15:12] are bits[51:48]
// and bits[47:16] are bits[47:16] of the output address for a page of memory
#define TT_S1_ATTR_nT (1 << 16) // Present if Armv8.4-TTRem is implemented, otherwise RES0
#define TT_S1_ATTR_DBM (1 << 51) // Present if Armv8.1-TTHM is implemented, otherwise RES0
#define TT_S1_ATTR_CONTIG (1 << 52)
#define TT_S1_ATTR_PXN (1 << 53)
#define TT_S1_ATTR_UXN (1 << 54)
// PBHA bits[62:59] - If Armv8.2-TTPBHA is implemented, hardware can use these bits
// for IMPLEMENTATIONDEFINED purposes, otherwise IGNORED
#define TT_S1_MAIR_DEV_nGnRnE 0b00000000
#define TT_S1_MAIR_DEV_nGnRE 0b00000100
#define TT_S1_MAIR_DEV_nGRE 0b00001000
#define TT_S1_MAIR_DEV_GRE 0b00001100
//
// Inner and Outer Normal memory attributes use the same bit patterns
// Outer attributes just need to be shifted up
//
#define TT_S1_MAIR_OUTER_SHIFT 4
#define TT_S1_MAIR_WT_TRANS_RA 0b0010
#define TT_S1_MAIR_WB_TRANS_RA 0b0110
#define TT_S1_MAIR_WB_TRANS_RWA 0b0111
#define TT_S1_MAIR_WT_RA 0b1010
#define TT_S1_MAIR_WB_RA 0b1110
#define TT_S1_MAIR_WB_RWA 0b1111
#endif // V8_MMU_H

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//
// Defines for v8 System Registers
//
// Copyright (c) 2012-2016 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
//
#ifndef V8_SYSTEM_H
#define V8_SYSTEM_H
//
// AArch64 SPSR
//
#define AARCH64_SPSR_EL3h 0b1101
#define AARCH64_SPSR_EL3t 0b1100
#define AARCH64_SPSR_EL2h 0b1001
#define AARCH64_SPSR_EL2t 0b1000
#define AARCH64_SPSR_EL1h 0b0101
#define AARCH64_SPSR_EL1t 0b0100
#define AARCH64_SPSR_EL0t 0b0000
#define AARCH64_SPSR_RW (1 << 4)
#define AARCH64_SPSR_F (1 << 6)
#define AARCH64_SPSR_I (1 << 7)
#define AARCH64_SPSR_A (1 << 8)
#define AARCH64_SPSR_D (1 << 9)
#define AARCH64_SPSR_IL (1 << 20)
#define AARCH64_SPSR_SS (1 << 21)
#define AARCH64_SPSR_V (1 << 28)
#define AARCH64_SPSR_C (1 << 29)
#define AARCH64_SPSR_Z (1 << 30)
#define AARCH64_SPSR_N (1 << 31)
//
// Multiprocessor Affinity Register
//
#define MPIDR_EL1_AFF3_LSB 32
#define MPIDR_EL1_U (1 << 30)
#define MPIDR_EL1_MT (1 << 24)
#define MPIDR_EL1_AFF2_LSB 16
#define MPIDR_EL1_AFF1_LSB 8
#define MPIDR_EL1_AFF0_LSB 0
#define MPIDR_EL1_AFF_WIDTH 8
//
// Data Cache Zero ID Register
//
#define DCZID_EL0_BS_LSB 0
#define DCZID_EL0_BS_WIDTH 4
#define DCZID_EL0_DZP_LSB 5
#define DCZID_EL0_DZP (1 << 5)
//
// System Control Register
//
#define SCTLR_EL1_UCI (1 << 26)
#define SCTLR_ELx_EE (1 << 25)
#define SCTLR_EL1_E0E (1 << 24)
#define SCTLR_ELx_WXN (1 << 19)
#define SCTLR_EL1_nTWE (1 << 18)
#define SCTLR_EL1_nTWI (1 << 16)
#define SCTLR_EL1_UCT (1 << 15)
#define SCTLR_EL1_DZE (1 << 14)
#define SCTLR_ELx_I (1 << 12)
#define SCTLR_EL1_UMA (1 << 9)
#define SCTLR_EL1_SED (1 << 8)
#define SCTLR_EL1_ITD (1 << 7)
#define SCTLR_EL1_THEE (1 << 6)
#define SCTLR_EL1_CP15BEN (1 << 5)
#define SCTLR_EL1_SA0 (1 << 4)
#define SCTLR_ELx_SA (1 << 3)
#define SCTLR_ELx_C (1 << 2)
#define SCTLR_ELx_A (1 << 1)
#define SCTLR_ELx_M (1 << 0)
//
// Architectural Feature Access Control Register
//
#define CPACR_EL1_TTA (1 << 28)
#define CPACR_EL1_FPEN (3 << 20)
//
// Architectural Feature Trap Register
//
#define CPTR_ELx_TCPAC (1 << 31)
#define CPTR_ELx_TTA (1 << 20)
#define CPTR_ELx_TFP (1 << 10)
//
// Secure Configuration Register
//
#define SCR_EL3_TWE (1 << 13)
#define SCR_EL3_TWI (1 << 12)
#define SCR_EL3_ST (1 << 11)
#define SCR_EL3_RW (1 << 10)
#define SCR_EL3_SIF (1 << 9)
#define SCR_EL3_HCE (1 << 8)
#define SCR_EL3_SMD (1 << 7)
#define SCR_EL3_EA (1 << 3)
#define SCR_EL3_FIQ (1 << 2)
#define SCR_EL3_IRQ (1 << 1)
#define SCR_EL3_NS (1 << 0)
//
// Hypervisor Configuration Register
//
#define HCR_EL2_ID (1 << 33)
#define HCR_EL2_CD (1 << 32)
#define HCR_EL2_RW (1 << 31)
#define HCR_EL2_TRVM (1 << 30)
#define HCR_EL2_HVC (1 << 29)
#define HCR_EL2_TDZ (1 << 28)
#endif // V8_SYSTEM_H

View File

@@ -0,0 +1,69 @@
//
// Simple utility routines for baremetal v8 code
//
// Copyright (c) 2013-2017 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
//
#include "v8_system.h"
.text
.cfi_sections .debug_frame // put stack frame info into .debug_frame instead of .eh_frame
//
// void *ZeroBlock(void *blockPtr, unsigned int nBytes)
//
// Zero fill a block of memory
// Fill memory pages or similar structures with zeros.
// The byte count must be a multiple of the block fill size (16 bytes)
//
// Inputs:
// blockPtr - base address of block to fill
// nBytes - block size, in bytes
//
// Returns:
// pointer to just filled block, NULL if nBytes is
// incompatible with block fill size
//
.global ZeroBlock
.type ZeroBlock, "function"
.cfi_startproc
ZeroBlock:
//
// we fill data by steam, 16 bytes at a time: check that
// blocksize is a multiple of that
//
ubfx x2, x1, #0, #4
cbnz x2, incompatible
//
// we already have one register full of zeros, get another
//
mov x3, x2
//
// OK, set temporary pointer and away we go
//
add x0, x0, x1
loop0:
subs x1, x1, #16
stp x2, x3, [x0, #-16]!
b.ne loop0
//
// that's all - x0 will be back to its start value
//
ret
//
// parameters are incompatible with block size - return
// an indication that this is so
//
incompatible:
mov x0,#0
ret
.cfi_endproc

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@@ -0,0 +1,252 @@
// ------------------------------------------------------------
// Armv8-A Vector tables
//
// Copyright (c) 2014-2016 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
// ------------------------------------------------------------
.global el1_vectors
.global el2_vectors
.global el3_vectors
.global c0sync1
.global irqHandler
.global fiqHandler
.global irqFirstLevelHandler
.global fiqFirstLevelHandler
.section EL1VECTORS, "ax"
.align 11
//
// Current EL with SP0
//
el1_vectors:
c0sync1: B c0sync1
.balign 0x80
c0irq1: B irqFirstLevelHandler
.balign 0x80
c0fiq1: B fiqFirstLevelHandler
.balign 0x80
c0serr1: B c0serr1
//
// Current EL with SPx
//
.balign 0x80
cxsync1: B cxsync1
.balign 0x80
cxirq1: B irqFirstLevelHandler
.balign 0x80
cxfiq1: B fiqFirstLevelHandler
.balign 0x80
cxserr1: B cxserr1
//
// Lower EL using AArch64
//
.balign 0x80
l64sync1: B l64sync1
.balign 0x80
l64irq1: B irqFirstLevelHandler
.balign 0x80
l64fiq1: B fiqFirstLevelHandler
.balign 0x80
l64serr1: B l64serr1
//
// Lower EL using AArch32
//
.balign 0x80
l32sync1: B l32sync1
.balign 0x80
l32irq1: B irqFirstLevelHandler
.balign 0x80
l32fiq1: B fiqFirstLevelHandler
.balign 0x80
l32serr1: B l32serr1
//----------------------------------------------------------------
.section EL2VECTORS, "ax"
.align 11
//
// Current EL with SP0
//
el2_vectors:
c0sync2: B c0sync2
.balign 0x80
c0irq2: B irqFirstLevelHandler
.balign 0x80
c0fiq2: B fiqFirstLevelHandler
.balign 0x80
c0serr2: B c0serr2
//
// Current EL with SPx
//
.balign 0x80
cxsync2: B cxsync2
.balign 0x80
cxirq2: B irqFirstLevelHandler
.balign 0x80
cxfiq2: B fiqFirstLevelHandler
.balign 0x80
cxserr2: B cxserr2
//
// Lower EL using AArch64
//
.balign 0x80
l64sync2: B l64sync2
.balign 0x80
l64irq2: B irqFirstLevelHandler
.balign 0x80
l64fiq2: B fiqFirstLevelHandler
.balign 0x80
l64serr2: B l64serr2
//
// Lower EL using AArch32
//
.balign 0x80
l32sync2: B l32sync2
.balign 0x80
l32irq2: B irqFirstLevelHandler
.balign 0x80
l32fiq2: B fiqFirstLevelHandler
.balign 0x80
l32serr2: B l32serr2
//----------------------------------------------------------------
.section EL3VECTORS, "ax"
.align 11
//
// Current EL with SP0
//
el3_vectors:
c0sync3: B c0sync3
.balign 0x80
c0irq3: B irqFirstLevelHandler
.balign 0x80
c0fiq3: B fiqFirstLevelHandler
.balign 0x80
c0serr3: B c0serr3
//
// Current EL with SPx
//
.balign 0x80
cxsync3: B cxsync3
.balign 0x80
cxirq3: B irqFirstLevelHandler
.balign 0x80
cxfiq3: B fiqFirstLevelHandler
.balign 0x80
cxserr3: B cxserr3
//
// Lower EL using AArch64
//
.balign 0x80
l64sync3: B l64sync3
.balign 0x80
l64irq3: B irqFirstLevelHandler
.balign 0x80
l64fiq3: B fiqFirstLevelHandler
.balign 0x80
l64serr3: B l64serr3
//
// Lower EL using AArch32
//
.balign 0x80
l32sync3: B l32sync3
.balign 0x80
l32irq3: B irqFirstLevelHandler
.balign 0x80
l32fiq3: B fiqFirstLevelHandler
.balign 0x80
l32serr3: B l32serr3
.section InterruptHandlers, "ax"
.balign 4
.type irqFirstLevelHandler, "function"
irqFirstLevelHandler:
MSR SPSel, 0
STP x29, x30, [sp, #-16]!
BL _tx_thread_context_save
BL irqHandler
B _tx_thread_context_restore
.type fiqFirstLevelHandler, "function"
fiqFirstLevelHandler:
STP x29, x30, [sp, #-16]!
STP x18, x19, [sp, #-16]!
STP x16, x17, [sp, #-16]!
STP x14, x15, [sp, #-16]!
STP x12, x13, [sp, #-16]!
STP x10, x11, [sp, #-16]!
STP x8, x9, [sp, #-16]!
STP x6, x7, [sp, #-16]!
STP x4, x5, [sp, #-16]!
STP x2, x3, [sp, #-16]!
STP x0, x1, [sp, #-16]!
BL fiqHandler
LDP x0, x1, [sp], #16
LDP x2, x3, [sp], #16
LDP x4, x5, [sp], #16
LDP x6, x7, [sp], #16
LDP x8, x9, [sp], #16
LDP x10, x11, [sp], #16
LDP x12, x13, [sp], #16
LDP x14, x15, [sp], #16
LDP x16, x17, [sp], #16
LDP x18, x19, [sp], #16
LDP x29, x30, [sp], #16
ERET

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@@ -0,0 +1,172 @@
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View File

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View File

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View File

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View File

@@ -0,0 +1,396 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Port Specific */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* PORT SPECIFIC C INFORMATION RELEASE */
/* */
/* tx_port.h Cortex-A35/AC6 */
/* 6.1.3 */
/* */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file contains data type definitions that make the ThreadX */
/* real-time kernel function identically on a variety of different */
/* processor architectures. For example, the size or number of bits */
/* in an "int" data type vary between microprocessor architectures and */
/* even C compilers for the same microprocessor. ThreadX does not */
/* directly use native C data types. Instead, ThreadX creates its */
/* own special types that can be mapped to actual data types by this */
/* file to guarantee consistency in the interface and functionality. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
#ifndef TX_PORT_H
#define TX_PORT_H
/* Determine if the optional ThreadX user define file should be used. */
#ifdef TX_INCLUDE_USER_DEFINE_FILE
/* Yes, include the user defines in tx_user.h. The defines in this file may
alternately be defined on the command line. */
#include "tx_user.h"
#endif
/* Define compiler library include files. */
#include <stdlib.h>
#include <string.h>
/* Define ThreadX basic types for this port. */
#define VOID void
typedef char CHAR;
typedef unsigned char UCHAR;
typedef int INT;
typedef unsigned int UINT;
typedef int LONG;
typedef unsigned int ULONG;
typedef short SHORT;
typedef unsigned short USHORT;
/* Override the alignment type to use 64-bit alignment and storage for pointers. */
#define ALIGN_TYPE_DEFINED
typedef unsigned long long ALIGN_TYPE;
/* Override the free block marker for byte pools to be a 64-bit constant. */
#define TX_BYTE_BLOCK_FREE ((ALIGN_TYPE) 0xFFFFEEEEFFFFEEEE)
/* Define the priority levels for ThreadX. Legal values range
from 32 to 1024 and MUST be evenly divisible by 32. */
#ifndef TX_MAX_PRIORITIES
#define TX_MAX_PRIORITIES 32
#endif
/* Define the minimum stack for a ThreadX thread on this processor. If the size supplied during
thread creation is less than this value, the thread create call will return an error. */
#ifndef TX_MINIMUM_STACK
#define TX_MINIMUM_STACK 200 /* Minimum stack size for this port */
#endif
/* Define the system timer thread's default stack size and priority. These are only applicable
if TX_TIMER_PROCESS_IN_ISR is not defined. */
#ifndef TX_TIMER_THREAD_STACK_SIZE
#define TX_TIMER_THREAD_STACK_SIZE 4096 /* Default timer thread stack size */
#endif
#ifndef TX_TIMER_THREAD_PRIORITY
#define TX_TIMER_THREAD_PRIORITY 0 /* Default timer thread priority */
#endif
/* Define various constants for the ThreadX Cortex ARMv8 port. */
#define TX_INT_DISABLE 0xC0 /* Disable IRQ & FIQ interrupts */
#define TX_INT_ENABLE 0x00 /* Enable IRQ & FIQ interrupts */
/* Define the clock source for trace event entry time stamp. The following two item are port specific.
For example, if the time source is at the address 0x0a800024 and is 16-bits in size, the clock
source constants would be:
#define TX_TRACE_TIME_SOURCE *((ULONG *) 0x0a800024)
#define TX_TRACE_TIME_MASK 0x0000FFFFUL
*/
#ifndef TX_MISRA_ENABLE
#ifndef TX_TRACE_TIME_SOURCE
#define TX_TRACE_TIME_SOURCE ++_tx_trace_simulated_time
#endif
#else
#ifndef TX_TRACE_TIME_SOURCE
ULONG _tx_misra_time_stamp_get(VOID);
#define TX_TRACE_TIME_SOURCE _tx_misra_time_stamp_get()
#endif
#endif
#ifndef TX_TRACE_TIME_MASK
#define TX_TRACE_TIME_MASK 0xFFFFFFFFUL
#endif
/* Define the port specific options for the _tx_build_options variable. This variable indicates
how the ThreadX library was built. */
#ifdef TX_ENABLE_FIQ_SUPPORT
#define TX_FIQ_ENABLED 1
#else
#define TX_FIQ_ENABLED 0
#endif
#ifdef TX_ENABLE_IRQ_NESTING
#define TX_IRQ_NESTING_ENABLED 2
#else
#define TX_IRQ_NESTING_ENABLED 0
#endif
#ifdef TX_ENABLE_FIQ_NESTING
#define TX_FIQ_NESTING_ENABLED 4
#else
#define TX_FIQ_NESTING_ENABLED 0
#endif
#define TX_PORT_SPECIFIC_BUILD_OPTIONS (TX_FIQ_ENABLED | TX_IRQ_NESTING_ENABLED | TX_FIQ_NESTING_ENABLED)
/* Define the in-line initialization constant so that modules with in-line
initialization capabilities can prevent their initialization from being
a function call. */
#ifdef TX_MISRA_ENABLE
#define TX_DISABLE_INLINE
#else
#define TX_INLINE_INITIALIZATION
#endif
/* Determine whether or not stack checking is enabled. By default, ThreadX stack checking is
disabled. When the following is defined, ThreadX thread stack checking is enabled. If stack
checking is enabled (TX_ENABLE_STACK_CHECKING is defined), the TX_DISABLE_STACK_FILLING
define is negated, thereby forcing the stack fill which is necessary for the stack checking
logic. */
#ifndef TX_MISRA_ENABLE
#ifdef TX_ENABLE_STACK_CHECKING
#undef TX_DISABLE_STACK_FILLING
#endif
#endif
/* Define the TX_THREAD control block extensions for this port. The main reason
for the multiple macros is so that backward compatibility can be maintained with
existing ThreadX kernel awareness modules. */
#define TX_THREAD_EXTENSION_0
#define TX_THREAD_EXTENSION_1
#define TX_THREAD_EXTENSION_2 ULONG tx_thread_fp_enable;
#define TX_THREAD_EXTENSION_3 VOID *tx_thread_extension_ptr; \
VOID *tx_thread_module_instance_ptr; \
VOID *tx_thread_module_entry_info_ptr; \
ULONG tx_thread_module_current_user_mode; \
ULONG tx_thread_module_user_mode; \
ULONG tx_thread_module_saved_lr; \
VOID *tx_thread_module_kernel_stack_start; \
VOID *tx_thread_module_kernel_stack_end; \
ULONG tx_thread_module_kernel_stack_size; \
VOID *tx_thread_module_stack_ptr; \
VOID *tx_thread_module_stack_start; \
VOID *tx_thread_module_stack_end; \
ULONG tx_thread_module_stack_size; \
VOID *tx_thread_module_reserved;
/* Define the port extensions of the remaining ThreadX objects. */
#define TX_BLOCK_POOL_EXTENSION
#define TX_BYTE_POOL_EXTENSION
#define TX_MUTEX_EXTENSION
#define TX_EVENT_FLAGS_GROUP_EXTENSION VOID *tx_event_flags_group_module_instance; \
VOID (*tx_event_flags_group_set_module_notify)(struct TX_EVENT_FLAGS_GROUP_STRUCT *group_ptr);
#define TX_QUEUE_EXTENSION VOID *tx_queue_module_instance; \
VOID (*tx_queue_send_module_notify)(struct TX_QUEUE_STRUCT *queue_ptr);
#define TX_SEMAPHORE_EXTENSION VOID *tx_semaphore_module_instance; \
VOID (*tx_semaphore_put_module_notify)(struct TX_SEMAPHORE_STRUCT *semaphore_ptr);
#define TX_TIMER_EXTENSION VOID *tx_timer_module_instance; \
VOID (*tx_timer_module_expiration_function)(ULONG id);
/* Define the user extension field of the thread control block. Nothing
additional is needed for this port so it is defined as white space. */
#ifndef TX_THREAD_USER_EXTENSION
#define TX_THREAD_USER_EXTENSION
#endif
/* Define the macros for processing extensions in tx_thread_create, tx_thread_delete,
tx_thread_shell_entry, and tx_thread_terminate. */
#define TX_THREAD_CREATE_EXTENSION(thread_ptr)
#define TX_THREAD_DELETE_EXTENSION(thread_ptr)
#define TX_THREAD_COMPLETED_EXTENSION(thread_ptr)
#define TX_THREAD_TERMINATED_EXTENSION(thread_ptr)
/* Define the ThreadX object creation extensions for the remaining objects. */
#define TX_BLOCK_POOL_CREATE_EXTENSION(pool_ptr)
#define TX_BYTE_POOL_CREATE_EXTENSION(pool_ptr)
#define TX_EVENT_FLAGS_GROUP_CREATE_EXTENSION(group_ptr)
#define TX_MUTEX_CREATE_EXTENSION(mutex_ptr)
#define TX_QUEUE_CREATE_EXTENSION(queue_ptr)
#define TX_SEMAPHORE_CREATE_EXTENSION(semaphore_ptr)
#define TX_TIMER_CREATE_EXTENSION(timer_ptr)
/* Define the ThreadX object deletion extensions for the remaining objects. */
#define TX_BLOCK_POOL_DELETE_EXTENSION(pool_ptr)
#define TX_BYTE_POOL_DELETE_EXTENSION(pool_ptr)
#define TX_EVENT_FLAGS_GROUP_DELETE_EXTENSION(group_ptr)
#define TX_MUTEX_DELETE_EXTENSION(mutex_ptr)
#define TX_QUEUE_DELETE_EXTENSION(queue_ptr)
#define TX_SEMAPHORE_DELETE_EXTENSION(semaphore_ptr)
#define TX_TIMER_DELETE_EXTENSION(timer_ptr)
/* Determine if the ARM architecture has the CLZ instruction. This is available on
architectures v5 and above. If available, redefine the macro for calculating the
lowest bit set. */
#ifndef TX_DISABLE_INLINE
#define TX_LOWEST_SET_BIT_CALCULATE(m, b) b = (UINT) __builtin_ctz((unsigned int) m);
#endif
/* Define the internal timer extension to also hold the thread pointer such that _tx_thread_timeout
can figure out what thread timeout to process. */
#define TX_TIMER_INTERNAL_EXTENSION VOID *tx_timer_internal_thread_timeout_ptr;
/* Define the thread timeout setup logic in _tx_thread_create. */
#define TX_THREAD_CREATE_TIMEOUT_SETUP(t) (t) -> tx_thread_timer.tx_timer_internal_timeout_function = &(_tx_thread_timeout); \
(t) -> tx_thread_timer.tx_timer_internal_timeout_param = 0; \
(t) -> tx_thread_timer.tx_timer_internal_thread_timeout_ptr = (VOID *) (t);
/* Define the thread timeout pointer setup in _tx_thread_timeout. */
#define TX_THREAD_TIMEOUT_POINTER_SETUP(t) (t) = (TX_THREAD *) _tx_timer_expired_timer_ptr -> tx_timer_internal_thread_timeout_ptr;
/* Define ThreadX interrupt lockout and restore macros for protection on
access of critical kernel information. The restore interrupt macro must
restore the interrupt posture of the running thread prior to the value
present prior to the disable macro. In most cases, the save area macro
is used to define a local function save area for the disable and restore
macros. */
#ifndef TX_DISABLE_INLINE
/* Define macros, with in-line assembly for performance. */
__attribute__( ( always_inline ) ) static inline unsigned int __disable_interrupts(void)
{
unsigned long long daif_value;
__asm__ volatile (" MRS %0, DAIF ": "=r" (daif_value) );
__asm__ volatile (" MSR DAIFSet, 0x3" : : : "memory" );
return((unsigned int) daif_value);
}
__attribute__( ( always_inline ) ) static inline void __restore_interrupts(unsigned int daif_value)
{
unsigned long long temp;
temp = (unsigned long long) daif_value;
__asm__ volatile (" MSR DAIF,%0": : "r" (temp): "memory" );
}
#define TX_INTERRUPT_SAVE_AREA unsigned int interrupt_save;
#define TX_DISABLE interrupt_save = __disable_interrupts();
#define TX_RESTORE __restore_interrupts(interrupt_save);
#else
unsigned int _tx_thread_interrupt_disable(void);
unsigned int _tx_thread_interrupt_restore(UINT old_posture);
#define TX_INTERRUPT_SAVE_AREA unsigned int interrupt_save;
#define TX_DISABLE interrupt_save = _tx_thread_interrupt_disable();
#define TX_RESTORE _tx_thread_interrupt_restore(interrupt_save);
#endif
/* Define FP extension for the Cortex-A35. Each is assumed to be called in the context of the executing
thread. */
#ifndef TX_SOURCE_CODE
#define tx_thread_fp_enable _tx_thread_fp_enable
#define tx_thread_fp_disable _tx_thread_fp_disable
#endif
VOID tx_thread_fp_enable(VOID);
VOID tx_thread_fp_disable(VOID);
/* Define the interrupt lockout macros for each ThreadX object. */
#define TX_BLOCK_POOL_DISABLE TX_DISABLE
#define TX_BYTE_POOL_DISABLE TX_DISABLE
#define TX_EVENT_FLAGS_GROUP_DISABLE TX_DISABLE
#define TX_MUTEX_DISABLE TX_DISABLE
#define TX_QUEUE_DISABLE TX_DISABLE
#define TX_SEMAPHORE_DISABLE TX_DISABLE
/* Define the version ID of ThreadX. This may be utilized by the application. */
#ifdef TX_THREAD_INIT
CHAR _tx_version_id[] =
"Copyright (c) Microsoft Corporation. All rights reserved. * ThreadX Modules Cortex-A35/AC6 Version 6.1.3 *";
#else
extern CHAR _tx_version_id[];
#endif
#endif

View File

@@ -0,0 +1,284 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Module */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* APPLICATION INTERFACE DEFINITION RELEASE */
/* */
/* txm_module_port.h Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the basic module constants, interface structures, */
/* and function prototypes. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
#ifndef TXM_MODULE_PORT_H
#define TXM_MODULE_PORT_H
/* Determine if the optional Modules user define file should be used. */
#ifdef TXM_MODULE_INCLUDE_USER_DEFINE_FILE
/* Yes, include the user defines in txm_module_user.h. The defines in this file may
alternately be defined on the command line. */
#include "txm_module_user.h"
#endif
/* It is assumed that the base ThreadX tx_port.h file has been modified to add the
following extensions to the ThreadX thread control block (this code should replace
the corresponding macro define in tx_port.h):
#define TX_THREAD_EXTENSION_2 VOID *tx_thread_module_instance_ptr; \
VOID *tx_thread_module_entry_info_ptr; \
ULONG tx_thread_module_current_user_mode; \
ULONG tx_thread_module_user_mode; \
ULONG tx_thread_module_saved_lr; \
VOID *tx_thread_module_kernel_stack_start; \
VOID *tx_thread_module_kernel_stack_end; \
ULONG tx_thread_module_kernel_stack_size; \
VOID *tx_thread_module_stack_ptr; \
VOID *tx_thread_module_stack_start; \
VOID *tx_thread_module_stack_end; \
ULONG tx_thread_module_stack_size; \
VOID *tx_thread_module_reserved;
The following extensions must also be defined in tx_port.h:
#define TX_EVENT_FLAGS_GROUP_EXTENSION VOID *tx_event_flags_group_module_instance; \
VOID (*tx_event_flags_group_set_module_notify)(struct TX_EVENT_FLAGS_GROUP_STRUCT *group_ptr);
#define TX_QUEUE_EXTENSION VOID *tx_queue_module_instance; \
VOID (*tx_queue_send_module_notify)(struct TX_QUEUE_STRUCT *queue_ptr);
#define TX_SEMAPHORE_EXTENSION VOID *tx_semaphore_module_instance; \
VOID (*tx_semaphore_put_module_notify)(struct TX_SEMAPHORE_STRUCT *semaphore_ptr);
#define TX_TIMER_EXTENSION VOID *tx_timer_module_instance; \
VOID (*tx_timer_module_expiration_function)(ULONG id);
*/
/* Define the kernel stack size for a module thread. */
#ifndef TXM_MODULE_KERNEL_STACK_SIZE
#define TXM_MODULE_KERNEL_STACK_SIZE 768
#endif
/* Define constants specific to the tools the module can be built with for this particular modules port. */
#define TXM_MODULE_IAR_COMPILER 0x00000000
#define TXM_MODULE_RVDS_COMPILER 0x01000000
#define TXM_MODULE_GNU_COMPILER 0x02000000
#define TXM_MODULE_COMPILER_MASK 0xFF000000
#define TXM_MODULE_OPTIONS_MASK 0x000000FF
/* Define the properties for this particular module port. */
#define TXM_MODULE_MEMORY_PROTECTION_ENABLED
#ifdef TXM_MODULE_MEMORY_PROTECTION_ENABLED
#define TXM_MODULE_REQUIRE_ALLOCATED_OBJECT_MEMORY
#else
#define TXM_MODULE_REQUIRE_LOCAL_OBJECT_MEMORY
#endif
#define TXM_MODULE_USER_MODE 0x00000001
#define TXM_MODULE_MEMORY_PROTECTION 0x00000002
#define TXM_MODULE_SHARED_EXTERNAL_MEMORY_ACCESS 0x00000004
/* Define the supported options for this module. */
#define TXM_MODULE_MANAGER_SUPPORTED_OPTIONS (TXM_MODULE_USER_MODE | TXM_MODULE_MEMORY_PROTECTION | TXM_MODULE_SHARED_EXTERNAL_MEMORY_ACCESS)
#define TXM_MODULE_MANAGER_REQUIRED_OPTIONS 0
/* Define offset adjustments according to the compiler used to build the module. */
#define TXM_MODULE_IAR_SHELL_ADJUST 24
#define TXM_MODULE_IAR_START_ADJUST 28
#define TXM_MODULE_IAR_STOP_ADJUST 32
#define TXM_MODULE_IAR_CALLBACK_ADJUST 44
#define TXM_MODULE_RVDS_SHELL_ADJUST 0
#define TXM_MODULE_RVDS_START_ADJUST 0
#define TXM_MODULE_RVDS_STOP_ADJUST 0
#define TXM_MODULE_RVDS_CALLBACK_ADJUST 0
#define TXM_MODULE_GNU_SHELL_ADJUST 24
#define TXM_MODULE_GNU_START_ADJUST 28
#define TXM_MODULE_GNU_STOP_ADJUST 32
#define TXM_MODULE_GNU_CALLBACK_ADJUST 44
/* Define other module port-specific constants. */
/* Define INLINE_DECLARE to inline for ARM compiler. */
#define INLINE_DECLARE inline
/* Define the port-extensions to the module manager instance structure. */
#define TXM_MODULE_MANAGER_PORT_EXTENSION
/* Define the memory fault information structure that is populated when a memory fault occurs. */
typedef struct TXM_MODULE_MANAGER_MEMORY_FAULT_INFO_STRUCT
{
TX_THREAD *txm_module_manager_memory_fault_info_thread_ptr;
VOID *txm_module_manager_memory_fault_info_code_location;
ULONG txm_module_manager_memory_fault_info_shcsr;
ULONG txm_module_manager_memory_fault_info_cfsr;
ULONG txm_module_manager_memory_fault_info_mmfar;
ULONG txm_module_manager_memory_fault_info_bfar;
ULONG txm_module_manager_memory_fault_info_control;
ULONG txm_module_manager_memory_fault_info_sp;
ULONG txm_module_manager_memory_fault_info_r0;
ULONG txm_module_manager_memory_fault_info_r1;
ULONG txm_module_manager_memory_fault_info_r2;
ULONG txm_module_manager_memory_fault_info_r3;
ULONG txm_module_manager_memory_fault_info_r4;
ULONG txm_module_manager_memory_fault_info_r5;
ULONG txm_module_manager_memory_fault_info_r6;
ULONG txm_module_manager_memory_fault_info_r7;
ULONG txm_module_manager_memory_fault_info_r8;
ULONG txm_module_manager_memory_fault_info_r9;
ULONG txm_module_manager_memory_fault_info_r10;
ULONG txm_module_manager_memory_fault_info_r11;
ULONG txm_module_manager_memory_fault_info_r12;
ULONG txm_module_manager_memory_fault_info_lr;
ULONG txm_module_manager_memory_fault_info_xpsr;
} TXM_MODULE_MANAGER_MEMORY_FAULT_INFO;
#define TXM_MODULE_MANAGER_FAULT_INFO \
TXM_MODULE_MANAGER_MEMORY_FAULT_INFO _txm_module_manager_memory_fault_info;
/* Define the macro to check the code alignment. */
#define TXM_MODULE_MANAGER_CHECK_CODE_ALIGNMENT(module_location, code_alignment) \
{ \
ALIGN_TYPE temp; \
temp = (ALIGN_TYPE) module_location; \
temp = temp & (code_alignment - 1); \
if (temp) \
{ \
_tx_mutex_put(&_txm_module_manager_mutex); \
return(TXM_MODULE_ALIGNMENT_ERROR); \
} \
}
/* Define the macro to adjust the alignment and size for code/data areas. */
#define TXM_MODULE_MANAGER_ALIGNMENT_ADJUST(module_preamble, code_size, code_alignment, data_size, data_alignment) \
{ \
code_size = (code_size % 32) ? ((code_size + 32) & ~32) : (code_size); \
code_alignment = 32; \
data_size = (data_size % 32) ? ((data_size + 32) & ~32) : (data_size); \
data_alignment = 32; \
}
/* Define the macro to adjust the symbols in the module preamble. */
#define TXM_MODULE_MANAGER_CALCULATE_ADJUSTMENTS(properties, shell_function_adjust, start_function_adjust, stop_function_adjust, callback_function_adjust) \
if ((properties & TXM_MODULE_COMPILER_MASK) == TXM_MODULE_IAR_COMPILER) \
{ \
shell_function_adjust = TXM_MODULE_IAR_SHELL_ADJUST; \
start_function_adjust = TXM_MODULE_IAR_START_ADJUST; \
stop_function_adjust = TXM_MODULE_IAR_STOP_ADJUST; \
callback_function_adjust = TXM_MODULE_IAR_CALLBACK_ADJUST; \
} \
else if ((properties & TXM_MODULE_COMPILER_MASK) == TXM_MODULE_RVDS_COMPILER) \
{ \
shell_function_adjust = TXM_MODULE_RVDS_SHELL_ADJUST; \
start_function_adjust = TXM_MODULE_RVDS_START_ADJUST; \
stop_function_adjust = TXM_MODULE_RVDS_STOP_ADJUST; \
callback_function_adjust = TXM_MODULE_RVDS_CALLBACK_ADJUST; \
} \
else \
{ \
shell_function_adjust = TXM_MODULE_GNU_SHELL_ADJUST; \
start_function_adjust = TXM_MODULE_GNU_START_ADJUST; \
stop_function_adjust = TXM_MODULE_GNU_STOP_ADJUST; \
callback_function_adjust = TXM_MODULE_GNU_CALLBACK_ADJUST; \
}
/* Define the macro to populate the thread control block with module port-specific information.
Check if the module is in user mode and set up txm_module_thread_entry_info_kernel_call_dispatcher accordingly.
*/
#define TXM_MODULE_MANAGER_THREAD_SETUP(thread_ptr, module_instance) \
thread_entry_info -> txm_module_thread_entry_info_kernel_call_dispatcher = _txm_module_manager_kernel_dispatch;
/* Define the macro to populate the module control block with module port-specific information.
*/
#define TXM_MODULE_MANAGER_MODULE_SETUP(module_instance)
/* Define the macro to perform port-specific functions when unloading the module. */
/* Nothing needs to be done for this port. */
#define TXM_MODULE_MANAGER_MODULE_UNLOAD(module_instance)
/* Define the macros to perform port-specific checks when passing pointers to the kernel. */
/* Define macro to make sure object is inside the module's data. */
#define TXM_MODULE_MANAGER_CHECK_INSIDE_DATA(module_instance, obj_ptr, obj_size) (TX_SUCCESS)
/* Define some internal prototypes to this module port. */
#ifndef TX_SOURCE_CODE
#define txm_module_manager_memory_fault_notify _txm_module_manager_memory_fault_notify
#endif
#define TXM_MODULE_MANAGER_ADDITIONAL_PROTOTYPES \
VOID _txm_module_manager_alignment_adjust(TXM_MODULE_PREAMBLE *module_preamble, ULONG *code_size, ULONG *code_alignment, ULONG *data_size, ULONG *data_alignment); \
ULONG _txm_module_manager_region_size_get(ULONG block_size); \
UINT _txm_module_manager_inside_data_check(TXM_MODULE_INSTANCE *module_instance, ALIGN_TYPE obj_ptr, UINT obj_size); \
ALIGN_TYPE _txm_module_manager_port_dispatch(TXM_MODULE_INSTANCE *module_instance, ULONG kernel_request, ALIGN_TYPE param_0, ALIGN_TYPE param_1, ALIGN_TYPE param_2);
#define TXM_MODULE_MANAGER_VERSION_ID \
CHAR _txm_module_manager_version_id[] = \
"Copyright (c) Microsoft Corporation. All rights reserved. * ThreadX Module Cortex-A35/AC6 Version 6.1.3 *";
#endif

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Module */
/** */
/**************************************************************************/
/**************************************************************************/
#define TXM_MODULE_HEAP_SIZE 512
.text
// module entry point
.align 3
.global _txm_module_initialize
_txm_module_initialize:
sub sp, sp, 16
str x30, [sp]
B __main
// main function called by the C library
.align 3
.global main
main:
// Do nothing
RET
// custom exit, return to the initialization caller
.align 3
.global exit
exit:
ldr x30, [sp]
add sp, sp, 16
RET
// returns heap start address in R0
// returns heap end address in R2
// does not touch SP, it is already set up before the module runs
.align 3
.global __user_setup_stackheap
__user_setup_stackheap:
LDR x0, =_txm_heap // load heap offset
MOV x2, TXM_MODULE_HEAP_SIZE // load heap size
ADD x2, x2, x0 // calculate heap end address
RET
.align 8
_txm_heap:
.zero TXM_MODULE_HEAP_SIZE

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Module */
/** */
/**************************************************************************/
/**************************************************************************/
#ifndef TXM_MODULE
#define TXM_MODULE
#endif
#ifndef TX_SOURCE_CODE
#define TX_SOURCE_CODE
#endif
/* Include necessary system files. */
#include "txm_module.h"
#include "tx_thread.h"
/* Define the global module entry pointer from the start thread of the module. */
TXM_MODULE_THREAD_ENTRY_INFO *_txm_module_entry_info;
/* Define the dispatch function pointer used in the module implementation. */
ALIGN_TYPE (*_txm_module_kernel_call_dispatcher)(ULONG type, ALIGN_TYPE param_1, ALIGN_TYPE param_2, ALIGN_TYPE param3);
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _txm_module_thread_shell_entry Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function calls the specified entry function of the thread. It */
/* also provides a place for the thread's entry function to return. */
/* If the thread returns, this function places the thread in a */
/* "COMPLETED" state. */
/* */
/* INPUT */
/* */
/* thread_ptr Pointer to current thread */
/* thread_info Pointer to thread entry info */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _txm_module_initialize cstartup initialization */
/* thread_entry Thread's entry function */
/* tx_thread_resume Resume the module callback thread */
/* _txm_module_thread_system_suspend Module thread suspension routine */
/* */
/* CALLED BY */
/* */
/* Initial thread stack frame */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
VOID _txm_module_thread_shell_entry(TX_THREAD *thread_ptr, TXM_MODULE_THREAD_ENTRY_INFO *thread_info)
{
TX_INTERRUPT_SAVE_AREA
#ifndef TX_DISABLE_NOTIFY_CALLBACKS
VOID (*entry_exit_notify)(TX_THREAD *notify_thread_ptr, UINT type);
#endif
/* Perform any additional activities for tool or user purpose. */
TX_THREAD_STARTED_EXTENSION(thread_ptr)
/* Determine if this is the start thread. If so, we must prepare the module for
execution. If not, simply skip the C startup code. */
if (thread_info -> txm_module_thread_entry_info_start_thread)
{
/* Initialize the C library */
extern void _txm_module_initialize(void);
_txm_module_initialize();
/* Save the entry info pointer, for later use. */
_txm_module_entry_info = thread_info;
/* Save the kernel function dispatch address. This is used to make all resident calls from
the module. */
_txm_module_kernel_call_dispatcher = thread_info -> txm_module_thread_entry_info_kernel_call_dispatcher;
/* Ensure that we have a valid pointer. */
while (!_txm_module_kernel_call_dispatcher)
{
/* Loop here, if an error is present getting the dispatch function pointer!
An error here typically indicates the resident portion of _tx_thread_schedule
is not supporting the trap to obtain the function pointer. */
}
/* Resume the module's callback thread, already created in the manager. */
_txe_thread_resume(thread_info -> txm_module_thread_entry_info_callback_request_thread);
}
#ifndef TX_DISABLE_NOTIFY_CALLBACKS
/* Disable interrupts. */
TX_DISABLE
/* Pickup the entry/exit application callback routine. */
entry_exit_notify = thread_info -> txm_module_thread_entry_info_exit_notify;
/* Restore interrupts. */
TX_RESTORE
/* Determine if an application callback routine is specified. */
if (entry_exit_notify != TX_NULL)
{
/* Yes, notify application that this thread has been entered! */
(entry_exit_notify)(thread_ptr, TX_THREAD_ENTRY);
}
#endif
/* Call current thread's entry function. */
(thread_info -> txm_module_thread_entry_info_entry) (thread_info -> txm_module_thread_entry_info_parameter);
/* Suspend thread with a "completed" state. */
#ifndef TX_DISABLE_NOTIFY_CALLBACKS
/* Pickup the entry/exit application callback routine again. */
entry_exit_notify = thread_info -> txm_module_thread_entry_info_exit_notify;
/* Determine if an application callback routine is specified. */
if (entry_exit_notify != TX_NULL)
{
/* Yes, notify application that this thread has exited! */
(entry_exit_notify)(thread_ptr, TX_THREAD_EXIT);
}
#endif
/* Call actual thread suspension routine. */
_txm_module_thread_system_suspend(thread_ptr);
#ifdef TX_SAFETY_CRITICAL
/* If we ever get here, raise safety critical exception. */
TX_SAFETY_CRITICAL_EXCEPTION(__FILE__, __LINE__, 0);
#endif
}

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_restore Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function restores the interrupt context if it is processing a */
/* nested interrupt. If not, it returns to the interrupt thread if no */
/* preemption is necessary. Otherwise, if preemption is necessary or */
/* if no thread was running, the function returns to the scheduler. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _tx_thread_schedule Thread scheduling routine */
/* */
/* CALLED BY */
/* */
/* ISRs Interrupt Service Routines */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
// VOID _tx_thread_context_restore(VOID)
// {
.global _tx_thread_context_restore
.type _tx_thread_context_restore, @function
_tx_thread_context_restore:
/* Lockout interrupts. */
MSR DAIFSet, 0x3 // Lockout interrupts
#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
/* Call the ISR exit function to indicate an ISR is complete. */
BL _tx_execution_isr_exit // Call the ISR exit function
#endif
/* Determine if interrupts are nested. */
// if (--_tx_thread_system_state)
// {
LDR x3, =_tx_thread_system_state // Pickup address of system state var
LDR w2, [x3, #0] // Pickup system state
SUB w2, w2, #1 // Decrement the counter
STR w2, [x3, #0] // Store the counter
CMP w2, #0 // Was this the first interrupt?
BEQ __tx_thread_not_nested_restore // If so, not a nested restore
/* Interrupts are nested. */
/* Just recover the saved registers and return to the point of
interrupt. */
LDP x4, x5, [sp], #16 // Pickup saved SPSR/DAIF and ELR_EL
#ifdef EL1
MSR SPSR_EL1, x4 // Setup SPSR for return
MSR ELR_EL1, x5 // Setup point of interrupt
#else
#ifdef EL2
MSR SPSR_EL2, x4 // Setup SPSR for return
MSR ELR_EL2, x5 // Setup point of interrupt
#else
MSR SPSR_EL3, x4 // Setup SPSR for return
MSR ELR_EL3, x5 // Setup point of interrupt
#endif
#endif
LDP x18, x19, [sp], #16 // Recover x18, x19
LDP x16, x17, [sp], #16 // Recover x16, x17
LDP x14, x15, [sp], #16 // Recover x14, x15
LDP x12, x13, [sp], #16 // Recover x12, x13
LDP x10, x11, [sp], #16 // Recover x10, x11
LDP x8, x9, [sp], #16 // Recover x8, x9
LDP x6, x7, [sp], #16 // Recover x6, x7
LDP x4, x5, [sp], #16 // Recover x4, x5
LDP x2, x3, [sp], #16 // Recover x2, x3
LDP x0, x1, [sp], #16 // Recover x0, x1
LDP x29, x30, [sp], #16 // Recover x29, x30
ERET // Return to point of interrupt
// }
__tx_thread_not_nested_restore:
/* Determine if a thread was interrupted and no preemption is required. */
// else if (((_tx_thread_current_ptr) && (_tx_thread_current_ptr == _tx_thread_execute_ptr)
// || (_tx_thread_preempt_disable))
// {
LDR x1, =_tx_thread_current_ptr // Pickup address of current thread ptr
LDR x0, [x1, #0] // Pickup actual current thread pointer
CMP x0, #0 // Is it NULL?
BEQ __tx_thread_idle_system_restore // Yes, idle system was interrupted
LDR x3, =_tx_thread_preempt_disable // Pickup preempt disable address
LDR w2, [x3, #0] // Pickup actual preempt disable flag
CMP w2, #0 // Is it set?
BNE __tx_thread_no_preempt_restore // Yes, don't preempt this thread
LDR x3, =_tx_thread_execute_ptr // Pickup address of execute thread ptr
LDR x2, [x3, #0] // Pickup actual execute thread pointer
CMP x0, x2 // Is the same thread highest priority?
BNE __tx_thread_preempt_restore // No, preemption needs to happen
__tx_thread_no_preempt_restore:
/* Restore interrupted thread or ISR. */
/* Pickup the saved stack pointer. */
// sp = _tx_thread_current_ptr -> tx_thread_stack_ptr;
LDR x4, [x0, #8] // Switch to thread stack pointer
MOV sp, x4 //
/* Recover the saved context and return to the point of interrupt. */
LDP x4, x5, [sp], #16 // Pickup saved SPSR/DAIF and ELR_EL1
#ifdef EL1
MSR SPSR_EL1, x4 // Setup SPSR for return
MSR ELR_EL1, x5 // Setup point of interrupt
#else
#ifdef EL2
MSR SPSR_EL2, x4 // Setup SPSR for return
MSR ELR_EL2, x5 // Setup point of interrupt
#else
MSR SPSR_EL3, x4 // Setup SPSR for return
MSR ELR_EL3, x5 // Setup point of interrupt
#endif
#endif
LDP x18, x19, [sp], #16 // Recover x18, x19
LDP x16, x17, [sp], #16 // Recover x16, x17
LDP x14, x15, [sp], #16 // Recover x14, x15
LDP x12, x13, [sp], #16 // Recover x12, x13
LDP x10, x11, [sp], #16 // Recover x10, x11
LDP x8, x9, [sp], #16 // Recover x8, x9
LDP x6, x7, [sp], #16 // Recover x6, x7
LDP x4, x5, [sp], #16 // Recover x4, x5
LDP x2, x3, [sp], #16 // Recover x2, x3
LDP x0, x1, [sp], #16 // Recover x0, x1
LDP x29, x30, [sp], #16 // Recover x29, x30
ERET // Return to point of interrupt
// }
// else
// {
__tx_thread_preempt_restore:
LDR x4, [x0, #8] // Switch to thread stack pointer
MOV sp, x4 //
LDP x4, x5, [sp], #16 // Pickup saved SPSR/DAIF and ELR_EL1
STP x20, x21, [sp, #-16]! // Save x20, x21
STP x22, x23, [sp, #-16]! // Save x22, x23
STP x24, x25, [sp, #-16]! // Save x24, x25
STP x26, x27, [sp, #-16]! // Save x26, x27
STP x28, x29, [sp, #-16]! // Save x28, x29
#ifdef ENABLE_ARM_FP
LDR w3, [x0, #248] // Pickup FP enable flag
CMP w3, #0 // Is FP enabled?
BEQ _skip_fp_save // No, skip FP save
STP q0, q1, [sp, #-32]! // Save q0, q1
STP q2, q3, [sp, #-32]! // Save q2, q3
STP q4, q5, [sp, #-32]! // Save q4, q5
STP q6, q7, [sp, #-32]! // Save q6, q7
STP q8, q9, [sp, #-32]! // Save q8, q9
STP q10, q11, [sp, #-32]! // Save q10, q11
STP q12, q13, [sp, #-32]! // Save q12, q13
STP q14, q15, [sp, #-32]! // Save q14, q15
STP q16, q17, [sp, #-32]! // Save q16, q17
STP q18, q19, [sp, #-32]! // Save q18, q19
STP q20, q21, [sp, #-32]! // Save q20, q21
STP q22, q23, [sp, #-32]! // Save q22, q23
STP q24, q25, [sp, #-32]! // Save q24, q25
STP q26, q27, [sp, #-32]! // Save q26, q27
STP q28, q29, [sp, #-32]! // Save q28, q29
STP q30, q31, [sp, #-32]! // Save q30, q31
MRS x2, FPSR // Pickup FPSR
MRS x3, FPCR // Pickup FPCR
STP x2, x3, [sp, #-16]! // Save FPSR, FPCR
_skip_fp_save:
#endif
STP x4, x5, [sp, #-16]! // Save x4 (SPSR_EL3), x5 (ELR_E3)
MOV x3, sp // Move sp into x3
STR x3, [x0, #8] // Save stack pointer in thread control
// block
LDR x3, =_tx_thread_system_stack_ptr // Pickup address of system stack
LDR x4, [x3, #0] // Pickup system stack pointer
MOV sp, x4 // Setup system stack pointer
/* Save the remaining time-slice and disable it. */
// if (_tx_timer_time_slice)
// {
LDR x3, =_tx_timer_time_slice // Pickup time-slice variable address
LDR w2, [x3, #0] // Pickup time-slice
CMP w2, #0 // Is it active?
BEQ __tx_thread_dont_save_ts // No, don't save it
/* _tx_thread_current_ptr -> tx_thread_time_slice = _tx_timer_time_slice;
_tx_timer_time_slice = 0; */
STR w2, [x0, #36] // Save thread's time-slice
MOV w2, #0 // Clear value
STR w2, [x3, #0] // Disable global time-slice flag
// }
__tx_thread_dont_save_ts:
/* Clear the current task pointer. */
// _tx_thread_current_ptr = TX_NULL;
MOV x0, #0 // NULL value
STR x0, [x1, #0] // Clear current thread pointer
/* Return to the scheduler. */
// _tx_thread_schedule();
// }
__tx_thread_idle_system_restore:
/* Just return back to the scheduler! */
LDR x1, =_tx_thread_schedule // Build address for _tx_thread_schedule
#ifdef EL1
MSR ELR_EL1, x1 // Setup point of interrupt
// MOV x1, #0x4 // Setup EL1 return
// MSR spsr_el1, x1 // Move into SPSR
#else
#ifdef EL2
MSR ELR_EL2, x1 // Setup point of interrupt
// MOV x1, #0x8 // Setup EL2 return
// MSR spsr_el2, x1 // Move into SPSR
#else
MSR ELR_EL3, x1 // Setup point of interrupt
// MOV x1, #0xC // Setup EL3 return
// MSR spsr_el3, x1 // Move into SPSR
#endif
#endif
ERET // Return to scheduler
// }

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_save Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function saves the context of an executing thread in the */
/* beginning of interrupt processing. The function also ensures that */
/* the system stack is used upon return to the calling ISR. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* ISRs */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
// VOID _tx_thread_context_save(VOID)
// {
.global _tx_thread_context_save
.type _tx_thread_context_save, @function
_tx_thread_context_save:
/* Upon entry to this routine, it is assumed that IRQ/FIQ interrupts are locked
out, x29 (frame pointer), x30 (link register) are saved, we are in EL1,
and all other registers are intact. */
/* Check for a nested interrupt condition. */
// if (_tx_thread_system_state++)
// {
STP x0, x1, [sp, #-16]! // Save x0, x1
STP x2, x3, [sp, #-16]! // Save x2, x3
LDR x3, =_tx_thread_system_state // Pickup address of system state var
LDR w2, [x3, #0] // Pickup system state
CMP w2, #0 // Is this the first interrupt?
BEQ __tx_thread_not_nested_save // Yes, not a nested context save
/* Nested interrupt condition. */
ADD w2, w2, #1 // Increment the nested interrupt counter
STR w2, [x3, #0] // Store it back in the variable
/* Save the rest of the scratch registers on the stack and return to the
calling ISR. */
STP x4, x5, [sp, #-16]! // Save x4, x5
STP x6, x7, [sp, #-16]! // Save x6, x7
STP x8, x9, [sp, #-16]! // Save x8, x9
STP x10, x11, [sp, #-16]! // Save x10, x11
STP x12, x13, [sp, #-16]! // Save x12, x13
STP x14, x15, [sp, #-16]! // Save x14, x15
STP x16, x17, [sp, #-16]! // Save x16, x17
STP x18, x19, [sp, #-16]! // Save x18, x19
#ifdef EL1
MRS x0, SPSR_EL1 // Pickup SPSR
MRS x1, ELR_EL1 // Pickup ELR (point of interrupt)
#else
#ifdef EL2
MRS x0, SPSR_EL2 // Pickup SPSR
MRS x1, ELR_EL2 // Pickup ELR (point of interrupt)
#else
MRS x0, SPSR_EL3 // Pickup SPSR
MRS x1, ELR_EL3 // Pickup ELR (point of interrupt)
#endif
#endif
STP x0, x1, [sp, #-16]! // Save SPSR, ELR
#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
/* Call the ISR enter function to indicate an ISR is executing. */
STP x29, x30, [sp, #-16]! // Save x29, x30
BL _tx_execution_isr_enter // Call the ISR enter function
LDP x29, x30, [sp], #16 // Recover x29, x30
#endif
/* Return to the ISR. */
RET // Return to ISR
__tx_thread_not_nested_save:
// }
/* Otherwise, not nested, check to see if a thread was running. */
// else if (_tx_thread_current_ptr)
// {
ADD w2, w2, #1 // Increment the interrupt counter
STR w2, [x3, #0] // Store it back in the variable
LDR x1, =_tx_thread_current_ptr // Pickup address of current thread ptr
LDR x0, [x1, #0] // Pickup current thread pointer
CMP x0, #0 // Is it NULL?
BEQ __tx_thread_idle_system_save // If so, interrupt occurred in
// scheduling loop - nothing needs saving!
/* Save minimal context of interrupted thread. */
STP x4, x5, [sp, #-16]! // Save x4, x5
STP x6, x7, [sp, #-16]! // Save x6, x7
STP x8, x9, [sp, #-16]! // Save x8, x9
STP x10, x11, [sp, #-16]! // Save x10, x11
STP x12, x13, [sp, #-16]! // Save x12, x13
STP x14, x15, [sp, #-16]! // Save x14, x15
STP x16, x17, [sp, #-16]! // Save x16, x17
STP x18, x19, [sp, #-16]! // Save x18, x19
#ifdef EL1
MRS x4, SPSR_EL1 // Pickup SPSR
MRS x5, ELR_EL1 // Pickup ELR (point of interrupt)
#else
#ifdef EL2
MRS x4, SPSR_EL2 // Pickup SPSR
MRS x5, ELR_EL2 // Pickup ELR (point of interrupt)
#else
MRS x4, SPSR_EL3 // Pickup SPSR
MRS x5, ELR_EL3 // Pickup ELR (point of interrupt)
#endif
#endif
STP x4, x5, [sp, #-16]! // Save SPSR, ELR
/* Save the current stack pointer in the thread's control block. */
// _tx_thread_current_ptr -> tx_thread_stack_ptr = sp;
MOV x4, sp //
STR x4, [x0, #8] // Save thread stack pointer
/* Switch to the system stack. */
// sp = _tx_thread_system_stack_ptr
LDR x3, =_tx_thread_system_stack_ptr // Pickup address of system stack
LDR x4, [x3, #0] // Pickup system stack pointer
MOV sp, x4 // Setup system stack pointer
#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
/* Call the ISR enter function to indicate an ISR is executing. */
STP x29, x30, [sp, #-16]! // Save x29, x30
BL _tx_execution_isr_enter // Call the ISR enter function
LDP x29, x30, [sp], #16 // Recover x29, x30
#endif
RET // Return to caller
// }
// else
// {
__tx_thread_idle_system_save:
/* Interrupt occurred in the scheduling loop. */
/* Not much to do here, just adjust the stack pointer, and return to IRQ
processing. */
#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
/* Call the ISR enter function to indicate an ISR is executing. */
STP x29, x30, [sp, #-16]! // Save x29, x30
BL _tx_execution_isr_enter // Call the ISR enter function
LDP x29, x30, [sp], #16 // Recover x29, x30
#endif
ADD sp, sp, #48 // Recover saved registers
RET // Continue IRQ processing
// }
// }

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_fp_disable Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function disables the FP for the currently executing thread. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
VOID _tx_thread_fp_disable(VOID)
{
TX_THREAD *thread_ptr;
ULONG system_state;
/* Pickup the current thread pointer. */
TX_THREAD_GET_CURRENT(thread_ptr);
/* Get the system state. */
system_state = TX_THREAD_GET_SYSTEM_STATE();
/* Make sure it is not NULL. */
if (thread_ptr != TX_NULL)
{
/* Thread is running... make sure the call is from the thread context. */
if (system_state == 0)
{
/* Yes, now set the FP enable flag to false in the TX_THREAD structure. */
thread_ptr -> tx_thread_fp_enable = TX_FALSE;
}
}
}

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_fp_enable Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enabled the FP for the currently executing thread. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
VOID _tx_thread_fp_enable(VOID)
{
TX_THREAD *thread_ptr;
ULONG system_state;
/* Pickup the current thread pointer. */
TX_THREAD_GET_CURRENT(thread_ptr);
/* Get the system state. */
system_state = TX_THREAD_GET_SYSTEM_STATE();
/* Make sure it is not NULL. */
if (thread_ptr != TX_NULL)
{
/* Thread is running... make sure the call is from the thread context. */
if (system_state == 0)
{
/* Yes, now setup the FP enable flag in the TX_THREAD structure. */
thread_ptr -> tx_thread_fp_enable = TX_TRUE;
}
}
}

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@@ -0,0 +1,80 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_control Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for changing the interrupt lockout */
/* posture of the system. */
/* */
/* INPUT */
/* */
/* new_posture New interrupt lockout posture */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
// UINT _tx_thread_interrupt_control(UINT new_posture)
// {
.global _tx_thread_interrupt_control
.type _tx_thread_interrupt_control, @function
_tx_thread_interrupt_control:
/* Pickup current interrupt lockout posture. */
MRS x1, DAIF // Pickup current interrupt posture
/* Apply the new interrupt posture. */
MSR DAIF, x0 // Set new interrupt posture
MOV x0, x1 // Setup return value
RET // Return to caller
// }

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_disable Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for disabling interrupts */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
// UINT _tx_thread_interrupt_disable(void)
// {
.global _tx_thread_interrupt_disable
.type _tx_thread_interrupt_disable, @function
_tx_thread_interrupt_disable:
/* Pickup current interrupt lockout posture. */
MRS x0, DAIF // Pickup current interrupt lockout posture
/* Mask interrupts. */
MSR DAIFSet, 0x3 // Lockout interrupts
RET // Return to caller
// }

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_restore Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for restoring interrupts to the state */
/* returned by a previous _tx_thread_interrupt_disable call. */
/* */
/* INPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
// UINT _tx_thread_interrupt_restore(UINT old_posture)
// {
.global _tx_thread_interrupt_restore
.type _tx_thread_interrupt_restore, @function
_tx_thread_interrupt_restore:
/* Restore the old interrupt posture. */
MSR DAIF, x0 // Setup the old posture
RET // Return to caller
// }

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@@ -0,0 +1,225 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_schedule Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function waits for a thread control block pointer to appear in */
/* the _tx_thread_execute_ptr variable. Once a thread pointer appears */
/* in the variable, the corresponding thread is resumed. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_initialize_kernel_enter ThreadX entry function */
/* _tx_thread_system_return Return to system from thread */
/* _tx_thread_context_restore Restore thread's context */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
// VOID _tx_thread_schedule(VOID)
// {
.global _tx_thread_schedule
.type _tx_thread_schedule, @function
_tx_thread_schedule:
/* Enable interrupts. */
MSR DAIFClr, 0x3 // Enable interrupts
// Wait for a thread to execute. */
// do
// {
LDR x1, =_tx_thread_execute_ptr // Address of thread execute ptr
#ifdef TX_ENABLE_WFI
__tx_thread_schedule_loop:
LDR x0, [x1, #0] // Pickup next thread to execute
CMP x0, #0 // Is it NULL?
BNE _tx_thread_schedule_thread //
WFI //
B __tx_thread_schedule_loop // Keep looking for a thread
_tx_thread_schedule_thread:
#else
__tx_thread_schedule_loop:
LDR x0, [x1, #0] // Pickup next thread to execute
CMP x0, #0 // Is it NULL?
BEQ __tx_thread_schedule_loop // If so, keep looking for a thread
#endif
// }
// while(_tx_thread_execute_ptr == TX_NULL);
/* Yes! We have a thread to execute. Lockout interrupts and
transfer control to it. */
MSR DAIFSet, 0x3 // Lockout interrupts
/* Setup the current thread pointer. */
// _tx_thread_current_ptr = _tx_thread_execute_ptr;
LDR x1, =_tx_thread_current_ptr // Pickup address of current thread
STR x0, [x1, #0] // Setup current thread pointer
/* Increment the run count for this thread. */
// _tx_thread_current_ptr -> tx_thread_run_count++;
LDR w2, [x0, #4] // Pickup run counter
LDR w3, [x0, #36] // Pickup time-slice for this thread
ADD w2, w2, #1 // Increment thread run-counter
STR w2, [x0, #4] // Store the new run counter
/* Setup time-slice, if present. */
// _tx_timer_time_slice = _tx_thread_current_ptr -> tx_thread_time_slice;
LDR x2, =_tx_timer_time_slice // Pickup address of time slice
// variable
LDR x4, [x0, #8] // Switch stack pointers
MOV sp, x4 //
STR w3, [x2, #0] // Setup time-slice
#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
/* Call the thread entry function to indicate the thread is executing. */
MOV x19, x0 // Save x0
BL _tx_execution_thread_enter // Call the thread execution enter function
MOV x0, x19 // Restore x0
#endif
/* Switch to the thread's stack. */
// sp = _tx_thread_execute_ptr -> tx_thread_stack_ptr;
/* Determine if an interrupt frame or a synchronous task suspension frame
is present. */
LDP x4, x5, [sp], #16 // Pickup saved SPSR/DAIF and ELR_EL1
CMP x5, #0 // Check for synchronous context switch (ELR_EL1 = NULL)
BEQ _tx_solicited_return
#ifdef EL1
MSR SPSR_EL1, x4 // Setup SPSR for return
MSR ELR_EL1, x5 // Setup point of interrupt
#else
#ifdef EL2
MSR SPSR_EL2, x4 // Setup SPSR for return
MSR ELR_EL2, x5 // Setup point of interrupt
#else
MSR SPSR_EL3, x4 // Setup SPSR for return
MSR ELR_EL3, x5 // Setup point of interrupt
#endif
#endif
#ifdef ENABLE_ARM_FP
LDR w1, [x0, #248] // Pickup FP enable flag
CMP w1, #0 // Is FP enabled?
BEQ _skip_interrupt_fp_restore // No, skip FP restore
LDP x0, x1, [sp], #16 // Pickup FPSR, FPCR
MSR FPSR, x0 // Recover FPSR
MSR FPCR, x1 // Recover FPCR
LDP q30, q31, [sp], #32 // Recover q30, q31
LDP q28, q29, [sp], #32 // Recover q28, q29
LDP q26, q27, [sp], #32 // Recover q26, q27
LDP q24, q25, [sp], #32 // Recover q24, q25
LDP q22, q23, [sp], #32 // Recover q22, q23
LDP q20, q21, [sp], #32 // Recover q20, q21
LDP q18, q19, [sp], #32 // Recover q18, q19
LDP q16, q17, [sp], #32 // Recover q16, q17
LDP q14, q15, [sp], #32 // Recover q14, q15
LDP q12, q13, [sp], #32 // Recover q12, q13
LDP q10, q11, [sp], #32 // Recover q10, q11
LDP q8, q9, [sp], #32 // Recover q8, q9
LDP q6, q7, [sp], #32 // Recover q6, q7
LDP q4, q5, [sp], #32 // Recover q4, q5
LDP q2, q3, [sp], #32 // Recover q2, q3
LDP q0, q1, [sp], #32 // Recover q0, q1
_skip_interrupt_fp_restore:
#endif
LDP x28, x29, [sp], #16 // Recover x28
LDP x26, x27, [sp], #16 // Recover x26, x27
LDP x24, x25, [sp], #16 // Recover x24, x25
LDP x22, x23, [sp], #16 // Recover x22, x23
LDP x20, x21, [sp], #16 // Recover x20, x21
LDP x18, x19, [sp], #16 // Recover x18, x19
LDP x16, x17, [sp], #16 // Recover x16, x17
LDP x14, x15, [sp], #16 // Recover x14, x15
LDP x12, x13, [sp], #16 // Recover x12, x13
LDP x10, x11, [sp], #16 // Recover x10, x11
LDP x8, x9, [sp], #16 // Recover x8, x9
LDP x6, x7, [sp], #16 // Recover x6, x7
LDP x4, x5, [sp], #16 // Recover x4, x5
LDP x2, x3, [sp], #16 // Recover x2, x3
LDP x0, x1, [sp], #16 // Recover x0, x1
LDP x29, x30, [sp], #16 // Recover x29, x30
ERET // Return to point of interrupt
_tx_solicited_return:
#ifdef ENABLE_ARM_FP
LDR w1, [x0, #248] // Pickup FP enable flag
CMP w1, #0 // Is FP enabled?
BEQ _skip_solicited_fp_restore // No, skip FP restore
LDP x0, x1, [sp], #16 // Pickup FPSR, FPCR
MSR FPSR, x0 // Recover FPSR
MSR FPCR, x1 // Recover FPCR
LDP q14, q15, [sp], #32 // Recover q14, q15
LDP q12, q13, [sp], #32 // Recover q12, q13
LDP q10, q11, [sp], #32 // Recover q10, q11
LDP q8, q9, [sp], #32 // Recover q8, q9
_skip_solicited_fp_restore:
#endif
LDP x27, x28, [sp], #16 // Recover x27, x28
LDP x25, x26, [sp], #16 // Recover x25, x26
LDP x23, x24, [sp], #16 // Recover x23, x24
LDP x21, x22, [sp], #16 // Recover x21, x22
LDP x19, x20, [sp], #16 // Recover x19, x20
LDP x29, x30, [sp], #16 // Recover x29, x30
MSR DAIF, x4 // Recover DAIF
RET // Return to caller
// }

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_stack_build Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function builds a stack frame on the supplied thread's stack. */
/* The stack frame results in a fake interrupt return to the supplied */
/* function pointer. */
/* */
/* INPUT */
/* */
/* thread_ptr Pointer to thread control blk */
/* function_ptr Pointer to entry function */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_thread_create Create thread service */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
// VOID _tx_thread_stack_build(TX_THREAD *thread_ptr, VOID (*function_ptr)(VOID))
// {
.global _tx_thread_stack_build
.type _tx_thread_stack_build, @function
_tx_thread_stack_build:
/* Build an interrupt frame. On Cortex-A35 it should look like this:
Stack Top: SSPR Initial SSPR
ELR Point of interrupt
x28 Initial value for x28
not used Not used
x26 Initial value for x26
x27 Initial value for x27
x24 Initial value for x24
x25 Initial value for x25
x22 Initial value for x22
x23 Initial value for x23
x20 Initial value for x20
x21 Initial value for x21
x18 Initial value for x18
x19 Initial value for x19
x16 Initial value for x16
x17 Initial value for x17
x14 Initial value for x14
x15 Initial value for x15
x12 Initial value for x12
x13 Initial value for x13
x10 Initial value for x10
x11 Initial value for x11
x8 Initial value for x8
x9 Initial value for x9
x6 Initial value for x6
x7 Initial value for x7
x4 Initial value for x4
x5 Initial value for x5
x2 Initial value for x2
x3 Initial value for x3
x0 Initial value for x0
x1 Initial value for x1
x29 Initial value for x29 (frame pointer)
x30 Initial value for x30 (link register)
0 For stack backtracing
Stack Bottom: (higher memory address)
*/
LDR x4, [x0, #24] // Pickup end of stack area
BIC x4, x4, #0xF // Ensure 16-byte alignment
/* Actually build the stack frame. */
MOV x2, #0 // Build clear value
MOV x3, #0 //
STP x2, x3, [x4, #-16]! // Set backtrace to 0
STP x2, x3, [x4, #-16]! // Set initial x29, x30
STP x2, x3, [x4, #-16]! // Set initial x0, x1
STP x2, x3, [x4, #-16]! // Set initial x2, x3
STP x2, x3, [x4, #-16]! // Set initial x4, x5
STP x2, x3, [x4, #-16]! // Set initial x6, x7
STP x2, x3, [x4, #-16]! // Set initial x8, x9
STP x2, x3, [x4, #-16]! // Set initial x10, x11
STP x2, x3, [x4, #-16]! // Set initial x12, x13
STP x2, x3, [x4, #-16]! // Set initial x14, x15
STP x2, x3, [x4, #-16]! // Set initial x16, x17
STP x2, x3, [x4, #-16]! // Set initial x18, x19
STP x2, x3, [x4, #-16]! // Set initial x20, x21
STP x2, x3, [x4, #-16]! // Set initial x22, x23
STP x2, x3, [x4, #-16]! // Set initial x24, x25
STP x2, x3, [x4, #-16]! // Set initial x26, x27
STP x2, x3, [x4, #-16]! // Set initial x28
#ifdef EL1
MOV x2, #0x4 // Build initial SPSR (EL1)
#else
#ifdef EL2
MOV x2, #0x8 // Build initial SPSR (EL2)
#else
MOV x2, #0xC // Build initial SPSR (EL3)
#endif
#endif
MOV x3, x1 // Build initial ELR
STP x2, x3, [x4, #-16]! // Set initial SPSR & ELR
/* Setup stack pointer. */
/* thread_ptr -> tx_thread_stack_ptr = x2; */
STR x4, [x0, #8] // Save stack pointer in thread's
RET // Return to caller
// }

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@@ -0,0 +1,151 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_system_return Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is target processor specific. It is used to transfer */
/* control from a thread back to the ThreadX system. Only a */
/* minimal context is saved since the compiler assumes temp registers */
/* are going to get slicked by a function call anyway. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _tx_thread_schedule Thread scheduling loop */
/* */
/* CALLED BY */
/* */
/* ThreadX components */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
// VOID _tx_thread_system_return(VOID)
// {
.global _tx_thread_system_return
.type _tx_thread_system_return, @function
_tx_thread_system_return:
/* Save minimal context on the stack. */
MRS x0, DAIF // Pickup DAIF
MSR DAIFSet, 0x3 // Lockout interrupts
STP x29, x30, [sp, #-16]! // Save x29 (frame pointer), x30 (link register)
STP x19, x20, [sp, #-16]! // Save x19, x20
STP x21, x22, [sp, #-16]! // Save x21, x22
STP x23, x24, [sp, #-16]! // Save x23, x24
STP x25, x26, [sp, #-16]! // Save x25, x26
STP x27, x28, [sp, #-16]! // Save x27, x28
LDR x5, =_tx_thread_current_ptr // Pickup address of current ptr
LDR x6, [x5, #0] // Pickup current thread pointer
#ifdef ENABLE_ARM_FP
LDR w7, [x6, #248] // Pickup FP enable flag
CMP w7, #0 // Is FP enabled?
BEQ _skip_fp_save // No, skip FP save
STP q8, q9, [sp, #-32]! // Save q8, q9
STP q10, q11, [sp, #-32]! // Save q10, q11
STP q12, q13, [sp, #-32]! // Save q12, q13
STP q14, q15, [sp, #-32]! // Save q14, q15
MRS x2, FPSR // Pickup FPSR
MRS x3, FPCR // Pickup FPCR
STP x2, x3, [sp, #-16]! // Save FPSR, FPCR
_skip_fp_save:
#endif
MOV x1, #0 // Clear x1
STP x0, x1, [sp, #-16]! // Save DAIF and clear value for ELR_EK1
#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
/* Call the thread exit function to indicate the thread is no longer executing. */
MOV x19, x5 // Save x5
MOV x20, x6 // Save x6
BL _tx_execution_thread_exit // Call the thread exit function
MOV x5, x19 // Restore x5
MOV x6, x20 // Restore x6
#endif
LDR x2, =_tx_timer_time_slice // Pickup address of time slice
LDR w1, [x2, #0] // Pickup current time slice
/* Save current stack and switch to system stack. */
// _tx_thread_current_ptr -> tx_thread_stack_ptr = sp;
// sp = _tx_thread_system_stack_ptr;
MOV x4, sp //
STR x4, [x6, #8] // Save thread stack pointer
LDR x3, =_tx_thread_system_stack_ptr // Pickup address of system stack
LDR x4, [x3, #0] // Pickup system stack pointer
MOV sp, x4 // Setup system stack pointer
/* Determine if the time-slice is active. */
// if (_tx_timer_time_slice)
// {
MOV x4, #0 // Build clear value
CMP w1, #0 // Is a time-slice active?
BEQ __tx_thread_dont_save_ts // No, don't save the time-slice
/* Save the current remaining time-slice. */
// _tx_thread_current_ptr -> tx_thread_time_slice = _tx_timer_time_slice;
// _tx_timer_time_slice = 0;
STR w4, [x2, #0] // Clear time-slice
STR w1, [x6, #36] // Store current time-slice
// }
__tx_thread_dont_save_ts:
/* Clear the current thread pointer. */
// _tx_thread_current_ptr = TX_NULL;
STR x4, [x5, #0] // Clear current thread pointer
B _tx_thread_schedule // Jump to scheduler!
// }

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Timer */
/** */
/**************************************************************************/
/**************************************************************************/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_timer_interrupt Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function processes the hardware timer interrupt. This */
/* processing includes incrementing the system clock and checking for */
/* time slice and/or timer expiration. If either is found, the */
/* interrupt context save/restore functions are called along with the */
/* expiration functions. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _tx_timer_expiration_process Timer expiration processing */
/* _tx_thread_time_slice Time slice interrupted thread */
/* */
/* CALLED BY */
/* */
/* interrupt vector */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
// VOID _tx_timer_interrupt(VOID)
// {
.global _tx_timer_interrupt
.type _tx_timer_interrupt, @function
_tx_timer_interrupt:
/* Upon entry to this routine, it is assumed that context save has already
been called, and therefore the compiler scratch registers are available
for use. */
/* Increment the system clock. */
// _tx_timer_system_clock++;
LDR x1, =_tx_timer_system_clock // Pickup address of system clock
LDR w0, [x1, #0] // Pickup system clock
ADD w0, w0, #1 // Increment system clock
STR w0, [x1, #0] // Store new system clock
/* Test for time-slice expiration. */
// if (_tx_timer_time_slice)
// {
LDR x3, =_tx_timer_time_slice // Pickup address of time-slice
LDR w2, [x3, #0] // Pickup time-slice
CMP w2, #0 // Is it non-active?
BEQ __tx_timer_no_time_slice // Yes, skip time-slice processing
/* Decrement the time_slice. */
// _tx_timer_time_slice--;
SUB w2, w2, #1 // Decrement the time-slice
STR w2, [x3, #0] // Store new time-slice value
/* Check for expiration. */
// if (__tx_timer_time_slice == 0)
CMP w2, #0 // Has it expired?
BNE __tx_timer_no_time_slice // No, skip expiration processing
/* Set the time-slice expired flag. */
// _tx_timer_expired_time_slice = TX_TRUE;
LDR x3, =_tx_timer_expired_time_slice // Pickup address of expired flag
MOV w0, #1 // Build expired value
STR w0, [x3, #0] // Set time-slice expiration flag
/* } */
__tx_timer_no_time_slice:
/* Test for timer expiration. */
// if (*_tx_timer_current_ptr)
// {
LDR x1, =_tx_timer_current_ptr // Pickup current timer pointer addr
LDR x0, [x1, #0] // Pickup current timer
LDR x2, [x0, #0] // Pickup timer list entry
CMP x2, #0 // Is there anything in the list?
BEQ __tx_timer_no_timer // No, just increment the timer
/* Set expiration flag. */
// _tx_timer_expired = TX_TRUE;
LDR x3, =_tx_timer_expired // Pickup expiration flag address
MOV w2, #1 // Build expired value
STR w2, [x3, #0] // Set expired flag
B __tx_timer_done // Finished timer processing
// }
// else
// {
__tx_timer_no_timer:
/* No timer expired, increment the timer pointer. */
// _tx_timer_current_ptr++;
ADD x0, x0, #8 // Move to next timer
/* Check for wrap-around. */
// if (_tx_timer_current_ptr == _tx_timer_list_end)
LDR x3, =_tx_timer_list_end // Pickup addr of timer list end
LDR x2, [x3, #0] // Pickup list end
CMP x0, x2 // Are we at list end?
BNE __tx_timer_skip_wrap // No, skip wrap-around logic
/* Wrap to beginning of list. */
// _tx_timer_current_ptr = _tx_timer_list_start;
LDR x3, =_tx_timer_list_start // Pickup addr of timer list start
LDR x0, [x3, #0] // Set current pointer to list start
__tx_timer_skip_wrap:
STR x0, [x1, #0] // Store new current timer pointer
// }
__tx_timer_done:
/* See if anything has expired. */
// if ((_tx_timer_expired_time_slice) || (_tx_timer_expired))
// {
LDR x3, =_tx_timer_expired_time_slice // Pickup addr of expired flag
LDR w2, [x3, #0] // Pickup time-slice expired flag
CMP w2, #0 // Did a time-slice expire?
BNE __tx_something_expired // If non-zero, time-slice expired
LDR x1, =_tx_timer_expired // Pickup addr of other expired flag
LDR w0, [x1, #0] // Pickup timer expired flag
CMP w0, #0 // Did a timer expire?
BEQ __tx_timer_nothing_expired // No, nothing expired
__tx_something_expired:
STP x29, x30, [sp, #-16]! // Save x29 (frame pointer), x30 (link register)
/* Did a timer expire? */
// if (_tx_timer_expired)
// {
LDR x1, =_tx_timer_expired // Pickup addr of expired flag
LDR w0, [x1, #0] // Pickup timer expired flag
CMP w0, #0 // Check for timer expiration
BEQ __tx_timer_dont_activate // If not set, skip timer activation
/* Process timer expiration. */
// _tx_timer_expiration_process();
BL _tx_timer_expiration_process // Call the timer expiration handling routine
/* } */
__tx_timer_dont_activate:
/* Did time slice expire? */
// if (_tx_timer_expired_time_slice)
// {
LDR x3, =_tx_timer_expired_time_slice // Pickup addr of time-slice expired
LDR w2, [x3, #0] // Pickup the actual flag
CMP w2, #0 // See if the flag is set
BEQ __tx_timer_not_ts_expiration // No, skip time-slice processing
/* Time slice interrupted thread. */
// _tx_thread_time_slice();
BL _tx_thread_time_slice // Call time-slice processing
// }
__tx_timer_not_ts_expiration:
LDP x29, x30, [sp], #16 // Recover x29, x30
// }
__tx_timer_nothing_expired:
RET // Return to caller
// }

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@@ -0,0 +1,85 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Module Manager */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
#include "tx_api.h"
#include "txm_module.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _txm_module_manager_port_dispatch Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function dispatches the module's kernel request based upon the */
/* ID and parameters specified in the request. */
/* */
/* INPUT */
/* */
/* module_instance Module pointer */
/* kernel_request Module's kernel request */
/* param_0 First parameter */
/* param_1 Second parameter */
/* param_2 Third parameter */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* Port-specific ThreadX API Calls */
/* */
/* CALLED BY */
/* */
/* _txm_module_manager_kernel_dispatch */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
ALIGN_TYPE _txm_module_manager_port_dispatch(TXM_MODULE_INSTANCE *module_instance, ULONG kernel_request, ALIGN_TYPE param_0, ALIGN_TYPE param_1, ALIGN_TYPE param_2)
{
ALIGN_TYPE return_value = TX_NOT_AVAILABLE;
switch(kernel_request)
{
default:
{
/* Unhandled kernel request, return an error! */
break;
}
}
return(return_value);
}

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@@ -0,0 +1,163 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Module Manager */
/** */
/**************************************************************************/
/**************************************************************************/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _txm_module_manager_thread_stack_build Cortex-A35/AC6 */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Andres Mlinar, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function builds a stack frame on the supplied thread's stack. */
/* The stack frame results in a fake interrupt return to the supplied */
/* function pointer. */
/* */
/* INPUT */
/* */
/* thread_ptr Pointer to thread */
/* function_ptr Pointer to entry function */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_thread_create Create thread service */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Andres Mlinar Initial Version 6.1.3 */
/* */
/**************************************************************************/
// VOID _txm_module_manager_thread_stack_build(TX_THREAD *thread_ptr, VOID (*function_ptr)(TX_THREAD *, TXM_MODULE_INSTANCE *))
// {
.global _txm_module_manager_thread_stack_build
.type _txm_module_manager_thread_stack_build, @function
_txm_module_manager_thread_stack_build:
/* Build an interrupt frame. On Cortex-A35 it should look like this:
Stack Top: SSPR Initial SSPR
ELR Point of interrupt
x28 Initial value for x28
not used Not used
x26 Initial value for x26
x27 Initial value for x27
x24 Initial value for x24
x25 Initial value for x25
x22 Initial value for x22
x23 Initial value for x23
x20 Initial value for x20
x21 Initial value for x21
x18 Initial value for x18
x19 Initial value for x19
x16 Initial value for x16
x17 Initial value for x17
x14 Initial value for x14
x15 Initial value for x15
x12 Initial value for x12
x13 Initial value for x13
x10 Initial value for x10
x11 Initial value for x11
x8 Initial value for x8
x9 Initial value for x9
x6 Initial value for x6
x7 Initial value for x7
x4 Initial value for x4
x5 Initial value for x5
x2 Initial value for x2
x3 Initial value for x3
x0 Initial value for x0
x1 Initial value for x1
x29 Initial value for x29 (frame pointer)
x30 Initial value for x30 (link register)
0 For stack backtracing
Stack Bottom: (higher memory address)
*/
LDR x4, [x0, #24] // Pickup end of stack area
BIC x4, x4, #0xF // Ensure 16-byte alignment
LDR x5, [x0, #8] // Pickup thread entry info pointer,which is in the stack pointer position of the thread control block.
// It was setup in the txm_module_manager_thread_create function. It will be overwritten later in this
// function with the actual, initial stack pointer.
/* Actually build the stack frame. */
MOV x2, #0 // Build clear value
MOV x3, #0 //
STP x2, x3, [x4, #-16]! // Set backtrace to 0
STP x2, x3, [x4, #-16]! // Set initial x29, x30
STP x0, x5, [x4, #-16]! // Set initial x0, x1
// x0->x0 is the thread control block pointer
// x5->x1 is the thread entry info pointer
STP x2, x3, [x4, #-16]! // Set initial x2, x3
STP x2, x3, [x4, #-16]! // Set initial x4, x5
STP x2, x3, [x4, #-16]! // Set initial x6, x7
STP x2, x3, [x4, #-16]! // Set initial x8, x9
STP x2, x3, [x4, #-16]! // Set initial x10, x11
STP x2, x3, [x4, #-16]! // Set initial x12, x13
STP x2, x3, [x4, #-16]! // Set initial x14, x15
STP x2, x3, [x4, #-16]! // Set initial x16, x17
STP x2, x3, [x4, #-16]! // Set initial x18, x19
STP x2, x3, [x4, #-16]! // Set initial x20, x21
STP x2, x3, [x4, #-16]! // Set initial x22, x23
STP x2, x3, [x4, #-16]! // Set initial x24, x25
STP x2, x3, [x4, #-16]! // Set initial x26, x27
STP x2, x3, [x4, #-16]! // Set initial x28
#ifdef EL1
MOV x2, #0x4 // Build initial SPSR (EL1)
#else
#ifdef EL2
MOV x2, #0x8 // Build initial SPSR (EL2)
#else
MOV x2, #0xC // Build initial SPSR (EL3)
#endif
#endif
MOV x3, x1 // Build initial ELR
STP x2, x3, [x4, #-16]! // Set initial SPSR & ELR
/* Setup stack pointer. */
/* thread_ptr -> tx_thread_stack_ptr = x2; */
STR x4, [x0, #8] // Save stack pointer in thread's
RET // Return to caller
// }

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Microsoft's Azure RTOS ThreadX Modules for Cortex-A35
Using the ARM Compiler 6 & DS
1. Import the ThreadX Modules Projects
In order to build the ThreadX library and the ThreadX demonstration, first import
the 'tx', 'txm', 'sample_threadx', 'sample_threadx_module' and
'sample_thread_module_manager' projects (located in the "example_build" directory)
into your DS workspace.
2. Building the ThreadX run-time Library
Building the ThreadX library is easy; simply select the Eclipse project file
"tx" and then select the build button. You should now observe the compilation
and assembly of the ThreadX library. This project build produces the ThreadX
library file tx.a. To bild the ThreadX Module library select the project "txm"
and select the build button to produce the file txm.a.
3. Demonstration System
The ThreadX demonstration is designed to execute under the DS debugger on the
Base_A35x1 Bare Metal simulator.
Building the basic ThreadX demonstration is easy; simply select the sample_threadx project, and
select the build button. Next, in the sample_threadx project, right-click on the
sample_threadx.launch file and select 'Debug As -> sample_threadx'. The debugger is
setup for the Cortex-A35 FVP, so selecting "Debug" will launch the FVP, load
the sample_threadx.axf ELF file and run to the entry point. You are now ready to execute
the ThreadX demonstration.
The ThreadX Modules demonstration is composed of a module and a module manager.
First build the ThreadX sample module project sample_thread_module by selecting it and
clicking the build button. Next built the ThreadX Module Manager sample by selecting
sample_threadx_module_manager and clicking the build button.
To run the ThreadX Module Manager demo in the sample_threadx_module_manager project,
right-click on the sample_threadx_module_manager.launch file and select 'Debug As -> sample_threadx'.
The debugger is setup for the Cortex-A35 FVP, so selecting "Debug" will launch the FVP, load
the sample_threadx.axf ELF file and run to the entry point. You are now ready to execute
the ThreadX demonstration.
4. System Initialization
The entry point in ThreadX for the Cortex-A35 using AC6 tools is at label
"start64". This is defined within the AC6 compiler's startup code. In addition,
this is where all static and global pre-set C variable initialization processing
takes place.
The ThreadX tx_initialize_low_level.s file is responsible for determining the
first available RAM address for use by the application, which is supplied as the
sole input parameter to your application definition function, tx_application_define.
5. Register Usage and Stack Frames
The 64-bit AC6 compiler assumes that registers x0-x18 are scratch registers
for each function. All other registers used by a C function must be preserved
by the function. ThreadX takes advantage of this in situations where a context
switch happens as a result of making a ThreadX service call (which is itself a
C function). In such cases, the saved context of a thread is only the
non-scratch registers.
The following defines the saved context stack frames for context switches
that occur as a result of interrupt handling or from thread-level API calls.
All suspended threads have one of these two types of stack frames. The top
of the suspended thread's stack is pointed to by tx_thread_stack_ptr in the
associated thread control block TX_THREAD.
FP not enabled and TX_THREAD.tx_thread_fp_enable == 0:
Offset Interrupted Stack Frame Non-Interrupt Stack Frame
0x000 SPSR DAIF
0x008 ELR 0
0x010 x28 x27
0x018 reserved x28
0x020 x26 x25
0x028 x27 x26
0x030 x24 x23
0x038 x25 x24
0x040 x22 x21
0x048 x23 x22
0x050 x20 x19
0x058 x21 x20
0x060 x18 x29
0x068 x19 x30
0x070 x16
0x078 x17
0x080 x14
0x088 x15
0x090 x12
0x098 x13
0x0A0 x10
0x0A8 x11
0x0B0 x8
0x0B8 x9
0x0C0 x6
0x0C8 x7
0x0D0 x4
0x0D8 x5
0x0E0 x2
0x0E8 x3
0x0F0 x0
0x0F8 x1
0x100 x29
0x108 x30
FP enabled and TX_THREAD.tx_thread_fp_enable == 1:
Offset Interrupted Stack Frame Non-Interrupt Stack Frame
0x000 SPSR DAIF
0x008 ELR 0
0x010 FPSR FPSR
0x018 FPCR FPCR
0x020 q30 q14
0x030 q31 q15
0x040 q28 q12
0x050 q29 q13
0x060 q26 q10
0x070 q27 q11
0x080 q24 q8
0x090 q25 q9
0x0A0 q22 x27
0x0A8 x28
0x0B0 q23 x25
0x0B8 x26
0x0C0 q20 x23
0x0C8 x24
0x0D0 q21 x21
0x0D8 x22
0x0E0 q18 x19
0x0E8 x20
0x0F0 q19 x29
0x0F8 x30
0x100 q16
0x110 q17
0x120 q14
0x130 q15
0x140 q12
0x150 q13
0x160 q10
0x170 q11
0x180 q8
0x190 q9
0x1A0 q6
0x1B0 q7
0x1C0 q4
0x1D0 q5
0x1E0 q2
0x1F0 q3
0x200 q0
0x210 q1
0x220 x28
0x228 reserved
0x230 x26
0x238 x27
0x240 x24
0x248 x25
0x250 x22
0x258 x23
0x260 x20
0x268 x21
0x270 x18
0x278 x19
0x280 x16
0x288 x17
0x290 x14
0x298 x15
0x2A0 x12
0x2A8 x13
0x2B0 x10
0x2B8 x11
0x2C0 x8
0x2C8 x9
0x2D0 x6
0x2D8 x7
0x2E0 x4
0x2E8 x5
0x2F0 x2
0x2F8 x3
0x300 x0
0x308 x1
0x310 x29
0x318 x30
6. Improving Performance
The distribution version of ThreadX is built without any compiler optimizations.
This makes it easy to debug because you can trace or set breakpoints inside of
ThreadX itself. Of course, this costs some performance. To make it run faster,
you can change the project settings to the desired compiler optimization level.
In addition, you can eliminate the ThreadX basic API error checking by
compiling your application code with the symbol TX_DISABLE_ERROR_CHECKING
defined.
7. Interrupt Handling
ThreadX provides complete and high-performance interrupt handling for Cortex-A35
targets. Interrupts handlers for the 64-bit mode of the Cortex-A35 have the following
format:
.global irq_handler
irq_handler:
MSR SPSel, 0
STP x29, x30, [sp, #-16]!
BL _tx_thread_context_save
/* Your ISR call goes here! */
BL application_isr_handler
B _tx_thread_context_restore
By default, ThreadX assumes EL3 level of execution. Running and taking exceptions in EL1
and EL2 can be done by simply building the ThreadX library with either EL1 or EL2 defined.
8. ThreadX Timer Interrupt
ThreadX requires a periodic interrupt source to manage all time-slicing, thread sleeps,
timeouts, and application timers. Without such a timer interrupt source, these services
are not functional. However, all other ThreadX services are operational without a
periodic timer source.
9. ARM FP Support
By default, FP support is disabled for each thread. If saving the context of the FP registers
is needed, the following API call must be made from the context of the application thread - before
the FP usage:
void tx_thread_fp_enable(void);
After this API is called in the application, FP registers will be saved/restored for this thread if it
is preempted via an interrupt. All other suspension of the this thread will not require the FP registers
to be saved/restored.
To disable FP register context saving, simply call the following API:
void tx_thread_fp_disable(void);
10. Revision History
For generic code revision information, please refer to the readme_threadx_generic.txt
file, which is included in your distribution. The following details the revision
information associated with this specific port of ThreadX:
12-31-2020 Initial ThreadX 6.1 version for Cortex-A35 using AC6 tools.
Copyright(c) 1996-2020 Microsoft Corporation
https://azure.com/rtos

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@@ -0,0 +1,252 @@
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<resource resourceType="PROJECT" workspacePath="/sample_threadx"/>
</configuration>
</storageModule>
<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
<storageModule moduleId="com.arm.projectSettings" version="6.0.0"/>
</cproject>

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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>sample_threadx</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
<triggers>clean,full,incremental,</triggers>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
<triggers>full,incremental,</triggers>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.cdt.core.cnature</nature>
<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
</natures>
</projectDescription>

View File

@@ -0,0 +1,561 @@
/*
* GICv3.h - data types and function prototypes for GICv3 utility routines
*
* Copyright (c) 2014-2017 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#ifndef GICV3_h
#define GICV3_h
#include <stdint.h>
/*
* extra flags for GICD enable
*/
typedef enum
{
gicdctlr_EnableGrp0 = (1 << 0),
gicdctlr_EnableGrp1NS = (1 << 1),
gicdctlr_EnableGrp1A = (1 << 1),
gicdctlr_EnableGrp1S = (1 << 2),
gicdctlr_EnableAll = (1 << 2) | (1 << 1) | (1 << 0),
gicdctlr_ARE_S = (1 << 4), /* Enable Secure state affinity routing */
gicdctlr_ARE_NS = (1 << 5), /* Enable Non-Secure state affinity routing */
gicdctlr_DS = (1 << 6), /* Disable Security support */
gicdctlr_E1NWF = (1 << 7) /* Enable "1-of-N" wakeup model */
} GICDCTLRFlags_t;
/*
* modes for SPI routing
*/
typedef enum
{
gicdirouter_ModeSpecific = 0,
gicdirouter_ModeAny = (1 << 31)
} GICDIROUTERBits_t;
typedef enum
{
gicdicfgr_Level = 0,
gicdicfgr_Edge = (1 << 1)
} GICDICFGRBits_t;
typedef enum
{
gicigroupr_G0S = 0,
gicigroupr_G1NS = (1 << 0),
gicigroupr_G1S = (1 << 2)
} GICIGROUPRBits_t;
typedef enum
{
gicrwaker_ProcessorSleep = (1 << 1),
gicrwaker_ChildrenAsleep = (1 << 2)
} GICRWAKERBits_t;
/**********************************************************************/
/*
* Utility macros & functions
*/
#define RANGE_LIMIT(x) ((sizeof(x) / sizeof((x)[0])) - 1)
static inline uint64_t gicv3PackAffinity(uint32_t aff3, uint32_t aff2,
uint32_t aff1, uint32_t aff0)
{
/*
* only need to cast aff3 to get type promotion for all affinities
*/
return ((((uint64_t)aff3 & 0xff) << 32) |
((aff2 & 0xff) << 16) |
((aff1 & 0xff) << 8) | aff0);
}
/**********************************************************************/
/*
* GIC Distributor Function Prototypes
*/
/*
* ConfigGICD - configure GIC Distributor prior to enabling it
*
* Inputs:
*
* control - control flags
*
* Returns:
*
* <nothing>
*
* NOTE:
*
* ConfigGICD() will set an absolute flags value, whereas
* {En,Dis}ableGICD() will only {set,clear} the flag bits
* passed as a parameter
*/
void ConfigGICD(GICDCTLRFlags_t flags);
/*
* EnableGICD - top-level enable for GIC Distributor
*
* Inputs:
*
* flags - new control flags to set
*
* Returns:
*
* <nothing>
*
* NOTE:
*
* ConfigGICD() will set an absolute flags value, whereas
* {En,Dis}ableGICD() will only {set,clear} the flag bits
* passed as a parameter
*/
void EnableGICD(GICDCTLRFlags_t flags);
/*
* DisableGICD - top-level disable for GIC Distributor
*
* Inputs
*
* flags - control flags to clear
*
* Returns
*
* <nothing>
*
* NOTE:
*
* ConfigGICD() will set an absolute flags value, whereas
* {En,Dis}ableGICD() will only {set,clear} the flag bits
* passed as a parameter
*/
void DisableGICD(GICDCTLRFlags_t flags);
/*
* SyncAREinGICD - synchronise GICD Address Routing Enable bits
*
* Inputs
*
* flags - absolute flag bits to set in GIC Distributor
*
* dosync - flag whether to wait for ARE bits to match passed
* flag field (dosync = true), or whether to set absolute
* flag bits (dosync = false)
*
* Returns
*
* <nothing>
*
* NOTE:
*
* This function is used to resolve a race in an MP system whereby secondary
* CPUs cannot reliably program all Redistributor registers until the
* primary CPU has enabled Address Routing. The primary CPU will call this
* function with dosync = false, while the secondaries will call it with
* dosync = true.
*/
void SyncAREinGICD(GICDCTLRFlags_t flags, uint32_t dosync);
/*
* EnableSPI - enable a specific shared peripheral interrupt
*
* Inputs:
*
* id - which interrupt to enable
*
* Returns:
*
* <nothing>
*/
void EnableSPI(uint32_t id);
/*
* DisableSPI - disable a specific shared peripheral interrupt
*
* Inputs:
*
* id - which interrupt to disable
*
* Returns:
*
* <nothing>
*/
void DisableSPI(uint32_t id);
/*
* SetSPIPriority - configure the priority for a shared peripheral interrupt
*
* Inputs:
*
* id - interrupt identifier
*
* priority - 8-bit priority to program (see note below)
*
* Returns:
*
* <nothing>
*
* Note:
*
* The GICv3 architecture makes this function sensitive to the Security
* context in terms of what effect it has on the programmed priority: no
* attempt is made to adjust for the reduced priority range available
* when making Non-Secure accesses to the GIC
*/
void SetSPIPriority(uint32_t id, uint32_t priority);
/*
* GetSPIPriority - determine the priority for a shared peripheral interrupt
*
* Inputs:
*
* id - interrupt identifier
*
* Returns:
*
* interrupt priority in the range 0 - 0xff
*/
uint32_t GetSPIPriority(uint32_t id);
/*
* SetSPIRoute - specify interrupt routing when gicdctlr_ARE is enabled
*
* Inputs:
*
* id - interrupt identifier
*
* affinity - prepacked "dotted quad" affinity routing. NOTE: use the
* gicv3PackAffinity() helper routine to generate this input
*
* mode - select routing mode (specific affinity, or any recipient)
*
* Returns:
*
* <nothing>
*/
void SetSPIRoute(uint32_t id, uint64_t affinity, GICDIROUTERBits_t mode);
/*
* GetSPIRoute - read ARE-enabled interrupt routing information
*
* Inputs:
*
* id - interrupt identifier
*
* Returns:
*
* routing configuration
*/
uint64_t GetSPIRoute(uint32_t id);
/*
* SetSPITarget - configure the set of processor targets for an interrupt
*
* Inputs
*
* id - interrupt identifier
*
* target - 8-bit target bitmap
*
* Returns
*
* <nothing>
*/
void SetSPITarget(uint32_t id, uint32_t target);
/*
* GetSPITarget - read the set of processor targets for an interrupt
*
* Inputs
*
* id - interrupt identifier
*
* Returns
*
* 8-bit target bitmap
*/
uint32_t GetSPITarget(uint32_t id);
/*
* ConfigureSPI - setup an interrupt as edge- or level-triggered
*
* Inputs
*
* id - interrupt identifier
*
* config - desired configuration
*
* Returns
*
* <nothing>
*/
void ConfigureSPI(uint32_t id, GICDICFGRBits_t config);
/*
* SetSPIPending - mark an interrupt as pending
*
* Inputs
*
* id - interrupt identifier
*
* Returns
*
* <nothing>
*/
void SetSPIPending(uint32_t id);
/*
* ClearSPIPending - mark an interrupt as not pending
*
* Inputs
*
* id - interrupt identifier
*
* Returns
*
* <nothing>
*/
void ClearSPIPending(uint32_t id);
/*
* GetSPIPending - query whether an interrupt is pending
*
* Inputs
*
* id - interrupt identifier
*
* Returns
*
* pending status
*/
uint32_t GetSPIPending(uint32_t id);
/*
* SetSPISecurity - mark a shared peripheral interrupt as
* security <group>
*
* Inputs
*
* id - which interrupt to mark
*
* group - the group for the interrupt
*
* Returns
*
* <nothing>
*/
void SetSPISecurity(uint32_t id, GICIGROUPRBits_t group);
/*
* SetSPISecurityBlock - mark a block of 32 shared peripheral
* interrupts as security <group>
*
* Inputs:
*
* block - which block to mark (e.g. 1 = Ints 32-63)
*
* group - the group for the interrupts
*
* Returns:
*
* <nothing>
*/
void SetSPISecurityBlock(uint32_t block, GICIGROUPRBits_t group);
/*
* SetSPISecurityAll - mark all shared peripheral interrupts
* as security <group>
*
* Inputs:
*
* group - the group for the interrupts
*
* Returns:
*
* <nothing>
*/
void SetSPISecurityAll(GICIGROUPRBits_t group);
/**********************************************************************/
/*
* GIC Re-Distributor Function Prototypes
*
* The model for calling Redistributor functions is that, rather than
* identifying the target redistributor with every function call, the
* SelectRedistributor() function is used to identify which redistributor
* is to be used for all functions until a different redistributor is
* explicitly selected
*/
/*
* WakeupGICR - wake up a Redistributor
*
* Inputs:
*
* gicr - which Redistributor to wakeup
*
* Returns:
*
* <nothing>
*/
void WakeupGICR(uint32_t gicr);
/*
* EnablePrivateInt - enable a private (SGI/PPI) interrupt
*
* Inputs:
*
* gicr - which Redistributor to program
*
* id - which interrupt to enable
*
* Returns:
*
* <nothing>
*/
void EnablePrivateInt(uint32_t gicr, uint32_t id);
/*
* DisablePrivateInt - disable a private (SGI/PPI) interrupt
*
* Inputs:
*
* gicr - which Redistributor to program
*
* id - which interrupt to disable
*
* Returns:
*
* <nothing>
*/
void DisablePrivateInt(uint32_t gicr, uint32_t id);
/*
* SetPrivateIntPriority - configure the priority for a private
* (SGI/PPI) interrupt
*
* Inputs:
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* priority - 8-bit priority to program (see note below)
*
* Returns:
*
* <nothing>
*
* Note:
*
* The GICv3 architecture makes this function sensitive to the Security
* context in terms of what effect it has on the programmed priority: no
* attempt is made to adjust for the reduced priority range available
* when making Non-Secure accesses to the GIC
*/
void SetPrivateIntPriority(uint32_t gicr, uint32_t id, uint32_t priority);
/*
* GetPrivateIntPriority - configure the priority for a private
* (SGI/PPI) interrupt
*
* Inputs:
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* Returns:
*
* Int priority
*/
uint32_t GetPrivateIntPriority(uint32_t gicr, uint32_t id);
/*
* SetPrivateIntPending - mark a private (SGI/PPI) interrupt as pending
*
* Inputs
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* Returns
*
* <nothing>
*/
void SetPrivateIntPending(uint32_t gicr, uint32_t id);
/*
* ClearPrivateIntPending - mark a private (SGI/PPI) interrupt as not pending
*
* Inputs
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* Returns
*
* <nothing>
*/
void ClearPrivateIntPending(uint32_t gicr, uint32_t id);
/*
* GetPrivateIntPending - query whether a private (SGI/PPI) interrupt is pending
*
* Inputs
*
* gicr - which Redistributor to program
*
* id - interrupt identifier
*
* Returns
*
* pending status
*/
uint32_t GetPrivateIntPending(uint32_t gicr, uint32_t id);
/*
* SetPrivateIntSecurity - mark a private (SGI/PPI) interrupt as
* security <group>
*
* Inputs
*
* gicr - which Redistributor to program
*
* id - which interrupt to mark
*
* group - the group for the interrupt
*
* Returns
*
* <nothing>
*/
void SetPrivateIntSecurity(uint32_t gicr, uint32_t id, GICIGROUPRBits_t group);
/*
* SetPrivateIntSecurityBlock - mark all 32 private (SGI/PPI)
* interrupts as security <group>
*
* Inputs:
*
* gicr - which Redistributor to program
*
* group - the group for the interrupt
*
* Returns:
*
* <nothing>
*/
void SetPrivateIntSecurityBlock(uint32_t gicr, GICIGROUPRBits_t group);
#endif /* ndef GICV3_h */
/* EOF GICv3.h */

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//
// Aliases for GICv3 registers
//
// Copyright (c) 2016-2017 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
//
#ifndef GICV3_ALIASES_H
#define GICV3_ALIASES_H
#ifndef __clang__
/*
* Mapping of MSR and MRS to physical and virtual CPU interface registers
*
* Arm Generic Interrupt Controller Architecture Specification
* GIC architecture version 3.0 and version 4.0
* Table 8-5
*/
#define ICC_AP0R0_EL1 S3_0_C12_C8_4
#define ICC_AP0R1_EL1 S3_0_C12_C8_5
#define ICC_AP0R2_EL1 S3_0_C12_C8_6
#define ICC_AP0R3_EL1 S3_0_C12_C8_7
#define ICC_AP1R0_EL1 S3_0_C12_C9_0
#define ICC_AP1R1_EL1 S3_0_C12_C9_1
#define ICC_AP1R2_EL1 S3_0_C12_C9_2
#define ICC_AP1R3_EL1 S3_0_C12_C9_3
#define ICC_ASGI1R_EL1 S3_0_C12_C11_6
#define ICC_BPR0_EL1 S3_0_C12_C8_3
#define ICC_BPR1_EL1 S3_0_C12_C12_3
#define ICC_CTLR_EL1 S3_0_C12_C12_4
#define ICC_CTLR_EL3 S3_6_C12_C12_4
#define ICC_DIR_EL1 S3_0_C12_C11_1
#define ICC_EOIR0_EL1 S3_0_C12_C8_1
#define ICC_EOIR1_EL1 S3_0_C12_C12_1
#define ICC_HPPIR0_EL1 S3_0_C12_C8_2
#define ICC_HPPIR1_EL1 S3_0_C12_C12_2
#define ICC_IAR0_EL1 S3_0_C12_C8_0
#define ICC_IAR1_EL1 S3_0_C12_C12_0
#define ICC_IGRPEN0_EL1 S3_0_C12_C12_6
#define ICC_IGRPEN1_EL1 S3_0_C12_C12_7
#define ICC_IGRPEN1_EL3 S3_6_C12_C12_7
#define ICC_PMR_EL1 S3_0_C4_C6_0
#define ICC_RPR_EL1 S3_0_C12_C11_3
#define ICC_SGI0R_EL1 S3_0_C12_C11_7
#define ICC_SGI1R_EL1 S3_0_C12_C11_5
#define ICC_SRE_EL1 S3_0_C12_C12_5
#define ICC_SRE_EL2 S3_4_C12_C9_5
#define ICC_SRE_EL3 S3_6_C12_C12_5
/*
* Mapping of MSR and MRS to virtual interface control registers
*
* Arm Generic Interrupt Controller Architecture Specification
* GIC architecture version 3.0 and version 4.0
* Table 8-6
*/
#define ICH_AP0R0_EL2 S3_4_C12_C8_0
#define ICH_AP0R1_EL2 S3_4_C12_C8_1
#define ICH_AP0R2_EL2 S3_4_C12_C8_2
#define ICH_AP0R3_EL2 S3_4_C12_C8_3
#define ICH_AP1R0_EL2 S3_4_C12_C9_0
#define ICH_AP1R1_EL2 S3_4_C12_C9_1
#define ICH_AP1R2_EL2 S3_4_C12_C9_2
#define ICH_AP1R3_EL2 S3_4_C12_C9_3
#define ICH_HCR_EL2 S3_4_C12_C11_0
#define ICH_VTR_EL2 S3_4_C12_C11_1
#define ICH_MISR_EL2 S3_4_C12_C11_2
#define ICH_EISR_EL2 S3_4_C12_C11_3
#define ICH_ELRSR_EL2 S3_4_C12_C11_5
#define ICH_VMCR_EL2 S3_4_C12_C11_7
#define ICH_LR0_EL2 S3_4_C12_C12_0
#define ICH_LR1_EL2 S3_4_C12_C12_1
#define ICH_LR2_EL2 S3_4_C12_C12_2
#define ICH_LR3_EL2 S3_4_C12_C12_3
#define ICH_LR4_EL2 S3_4_C12_C12_4
#define ICH_LR5_EL2 S3_4_C12_C12_5
#define ICH_LR6_EL2 S3_4_C12_C12_6
#define ICH_LR7_EL2 S3_4_C12_C12_7
#define ICH_LR8_EL2 S3_4_C12_C13_0
#define ICH_LR9_EL2 S3_4_C12_C13_1
#define ICH_LR10_EL2 S3_4_C12_C13_2
#define ICH_LR11_EL2 S3_4_C12_C13_3
#define ICH_LR12_EL2 S3_4_C12_C13_4
#define ICH_LR13_EL2 S3_4_C12_C13_5
#define ICH_LR14_EL2 S3_4_C12_C13_6
#define ICH_LR15_EL2 S3_4_C12_C13_7
#endif /* not __clang__ */
#endif /* GICV3_ALIASES */

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/*
* GICv3_gicc.h - prototypes and inline functions for GICC system register operations
*
* Copyright (c) 2014-2017 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#ifndef GICV3_gicc_h
#define GICV3_gicc_h
#include "GICv3_aliases.h"
#define stringify_no_expansion(x) #x
#define stringify(x) stringify_no_expansion(x)
/**********************************************************************/
typedef enum
{
sreSRE = (1 << 0),
sreDFB = (1 << 1),
sreDIB = (1 << 2),
sreEnable = (1 << 3)
} ICC_SREBits_t;
static inline void setICC_SRE_EL1(ICC_SREBits_t mode)
{
asm("msr "stringify(ICC_SRE_EL1)", %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_SRE_EL1(void)
{
uint64_t retc;
asm("mrs %0, "stringify(ICC_SRE_EL1)"\n" : "=r" (retc));
return retc;
}
static inline void setICC_SRE_EL2(ICC_SREBits_t mode)
{
asm("msr "stringify(ICC_SRE_EL2)", %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_SRE_EL2(void)
{
uint64_t retc;
asm("mrs %0, "stringify(ICC_SRE_EL2)"\n" : "=r" (retc));
return retc;
}
static inline void setICC_SRE_EL3(ICC_SREBits_t mode)
{
asm("msr "stringify(ICC_SRE_EL3)", %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_SRE_EL3(void)
{
uint64_t retc;
asm("mrs %0, "stringify(ICC_SRE_EL3)"\n" : "=r" (retc));
return retc;
}
/**********************************************************************/
typedef enum
{
igrpEnable = (1 << 0),
igrpEnableGrp1NS = (1 << 0),
igrpEnableGrp1S = (1 << 2)
} ICC_IGRPBits_t;
static inline void setICC_IGRPEN0_EL1(ICC_IGRPBits_t mode)
{
asm("msr "stringify(ICC_IGRPEN0_EL1)", %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline void setICC_IGRPEN1_EL1(ICC_IGRPBits_t mode)
{
asm("msr "stringify(ICC_IGRPEN1_EL1)", %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline void setICC_IGRPEN1_EL3(ICC_IGRPBits_t mode)
{
asm("msr "stringify(ICC_IGRPEN1_EL3)", %0\n; isb" :: "r" ((uint64_t)mode));
}
/**********************************************************************/
typedef enum
{
ctlrCBPR = (1 << 0),
ctlrCBPR_EL1S = (1 << 0),
ctlrEOImode = (1 << 1),
ctlrCBPR_EL1NS = (1 << 1),
ctlrEOImode_EL3 = (1 << 2),
ctlrEOImode_EL1S = (1 << 3),
ctlrEOImode_EL1NS = (1 << 4),
ctlrRM = (1 << 5),
ctlrPMHE = (1 << 6)
} ICC_CTLRBits_t;
static inline void setICC_CTLR_EL1(ICC_CTLRBits_t mode)
{
asm("msr "stringify(ICC_CTLR_EL1)", %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_CTLR_EL1(void)
{
uint64_t retc;
asm("mrs %0, "stringify(ICC_CTLR_EL1)"\n" : "=r" (retc));
return retc;
}
static inline void setICC_CTLR_EL3(ICC_CTLRBits_t mode)
{
asm("msr "stringify(ICC_CTLR_EL3)", %0\n; isb" :: "r" ((uint64_t)mode));
}
static inline uint64_t getICC_CTLR_EL3(void)
{
uint64_t retc;
asm("mrs %0, "stringify(ICC_CTLR_EL3)"\n" : "=r" (retc));
return retc;
}
/**********************************************************************/
static inline uint64_t getICC_IAR0(void)
{
uint64_t retc;
asm("mrs %0, "stringify(ICC_IAR0_EL1)"\n" : "=r" (retc));
return retc;
}
static inline uint64_t getICC_IAR1(void)
{
uint64_t retc;
asm("mrs %0, "stringify(ICC_IAR1_EL1)"\n" : "=r" (retc));
return retc;
}
static inline void setICC_EOIR0(uint32_t interrupt)
{
asm("msr "stringify(ICC_EOIR0_EL1)", %0\n; isb" :: "r" ((uint64_t)interrupt));
}
static inline void setICC_EOIR1(uint32_t interrupt)
{
asm("msr "stringify(ICC_EOIR1_EL1)", %0\n; isb" :: "r" ((uint64_t)interrupt));
}
static inline void setICC_DIR(uint32_t interrupt)
{
asm("msr "stringify(ICC_DIR_EL1)", %0\n; isb" :: "r" ((uint64_t)interrupt));
}
static inline void setICC_PMR(uint32_t priority)
{
asm("msr "stringify(ICC_PMR_EL1)", %0\n; isb" :: "r" ((uint64_t)priority));
}
static inline void setICC_BPR0(uint32_t binarypoint)
{
asm("msr "stringify(ICC_BPR0_EL1)", %0\n; isb" :: "r" ((uint64_t)binarypoint));
}
static inline void setICC_BPR1(uint32_t binarypoint)
{
asm("msr "stringify(ICC_BPR1_EL1)", %0\n; isb" :: "r" ((uint64_t)binarypoint));
}
static inline uint64_t getICC_BPR0(void)
{
uint64_t retc;
asm("mrs %0, "stringify(ICC_BPR0_EL1)"\n" : "=r" (retc));
return retc;
}
static inline uint64_t getICC_BPR1(void)
{
uint64_t retc;
asm("mrs %0, "stringify(ICC_BPR1_EL1)"\n" : "=r" (retc));
return retc;
}
static inline uint64_t getICC_RPR(void)
{
uint64_t retc;
asm("mrs %0, "stringify(ICC_RPR_EL1)"\n" : "=r" (retc));
return retc;
}
/**********************************************************************/
typedef enum
{
sgirIRMTarget = 0,
sgirIRMAll = (1ull << 40)
} ICC_SGIRBits_t;
static inline void setICC_SGI0R(uint8_t aff3, uint8_t aff2,
uint8_t aff1, ICC_SGIRBits_t irm,
uint16_t targetlist, uint8_t intid)
{
uint64_t packedbits = (((uint64_t)aff3 << 48) | ((uint64_t)aff2 << 32) | \
((uint64_t)aff1 << 16) | irm | targetlist | \
((uint64_t)(intid & 0x0f) << 24));
asm("msr "stringify(ICC_SGI0R_EL1)", %0\n; isb" :: "r" (packedbits));
}
static inline void setICC_SGI1R(uint8_t aff3, uint8_t aff2,
uint8_t aff1, ICC_SGIRBits_t irm,
uint16_t targetlist, uint8_t intid)
{
uint64_t packedbits = (((uint64_t)aff3 << 48) | ((uint64_t)aff2 << 32) | \
((uint64_t)aff1 << 16) | irm | targetlist | \
((uint64_t)(intid & 0x0f) << 24));
asm("msr "stringify(ICC_SGI1R_EL1)", %0\n; isb" :: "r" (packedbits));
}
static inline void setICC_ASGI1R(uint8_t aff3, uint8_t aff2,
uint8_t aff1, ICC_SGIRBits_t irm,
uint16_t targetlist, uint8_t intid)
{
uint64_t packedbits = (((uint64_t)aff3 << 48) | ((uint64_t)aff2 << 32) | \
((uint64_t)aff1 << 16) | irm | targetlist | \
((uint64_t)(intid & 0x0f) << 24));
asm("msr "stringify(ICC_ASGI1R_EL1)", %0\n; isb" :: "r" (packedbits));
}
#endif /* ndef GICV3_gicc_h */

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@@ -0,0 +1,339 @@
/*
* GICv3_gicd.c - generic driver code for GICv3 distributor
*
* Copyright (c) 2014-2017 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#include <stdint.h>
#include "GICv3.h"
typedef struct
{
volatile uint32_t GICD_CTLR; // +0x0000
const volatile uint32_t GICD_TYPER; // +0x0004
const volatile uint32_t GICD_IIDR; // +0x0008
const volatile uint32_t padding0; // +0x000c
volatile uint32_t GICD_STATUSR; // +0x0010
const volatile uint32_t padding1[3]; // +0x0014
volatile uint32_t IMP_DEF[8]; // +0x0020
volatile uint32_t GICD_SETSPI_NSR; // +0x0040
const volatile uint32_t padding2; // +0x0044
volatile uint32_t GICD_CLRSPI_NSR; // +0x0048
const volatile uint32_t padding3; // +0x004c
volatile uint32_t GICD_SETSPI_SR; // +0x0050
const volatile uint32_t padding4; // +0x0054
volatile uint32_t GICD_CLRSPI_SR; // +0x0058
const volatile uint32_t padding5[3]; // +0x005c
volatile uint32_t GICD_SEIR; // +0x0068
const volatile uint32_t padding6[5]; // +0x006c
volatile uint32_t GICD_IGROUPR[32]; // +0x0080
volatile uint32_t GICD_ISENABLER[32]; // +0x0100
volatile uint32_t GICD_ICENABLER[32]; // +0x0180
volatile uint32_t GICD_ISPENDR[32]; // +0x0200
volatile uint32_t GICD_ICPENDR[32]; // +0x0280
volatile uint32_t GICD_ISACTIVER[32]; // +0x0300
volatile uint32_t GICD_ICACTIVER[32]; // +0x0380
volatile uint8_t GICD_IPRIORITYR[1024]; // +0x0400
volatile uint8_t GICD_ITARGETSR[1024]; // +0x0800
volatile uint32_t GICD_ICFGR[64]; // +0x0c00
volatile uint32_t GICD_IGRPMODR[32]; // +0x0d00
const volatile uint32_t padding7[32]; // +0x0d80
volatile uint32_t GICD_NSACR[64]; // +0x0e00
volatile uint32_t GICD_SGIR; // +0x0f00
const volatile uint32_t padding8[3]; // +0x0f04
volatile uint32_t GICD_CPENDSGIR[4]; // +0x0f10
volatile uint32_t GICD_SPENDSGIR[4]; // +0x0f20
const volatile uint32_t padding9[52]; // +0x0f30
const volatile uint32_t padding10[5120]; // +0x1000
volatile uint64_t GICD_IROUTER[1024]; // +0x6000
} GICv3_distributor;
/*
* use the scatter file to place GICD
*/
GICv3_distributor __attribute__((section(".gicd"))) gicd;
void ConfigGICD(GICDCTLRFlags_t flags)
{
gicd.GICD_CTLR = flags;
}
void EnableGICD(GICDCTLRFlags_t flags)
{
gicd.GICD_CTLR |= flags;
}
void DisableGICD(GICDCTLRFlags_t flags)
{
gicd.GICD_CTLR &= ~flags;
}
void SyncAREinGICD(GICDCTLRFlags_t flags, uint32_t dosync)
{
if (dosync)
{
const uint32_t tmask = gicdctlr_ARE_S | gicdctlr_ARE_NS;
const uint32_t tval = flags & tmask;
while ((gicd.GICD_CTLR & tmask) != tval)
continue;
}
else
gicd.GICD_CTLR = flags;
}
void EnableSPI(uint32_t id)
{
uint32_t bank;
/*
* GICD_ISENABLER has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ISENABLER);
id &= 32 - 1;
gicd.GICD_ISENABLER[bank] = 1 << id;
return;
}
void DisableSPI(uint32_t id)
{
uint32_t bank;
/*
* GICD_ISENABLER has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ICENABLER);
id &= 32 - 1;
gicd.GICD_ICENABLER[bank] = 1 << id;
return;
}
void SetSPIPriority(uint32_t id, uint32_t priority)
{
uint32_t bank;
/*
* GICD_IPRIORITYR has one byte-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_IPRIORITYR);
gicd.GICD_IPRIORITYR[bank] = priority;
}
uint32_t GetSPIPriority(uint32_t id)
{
uint32_t bank;
/*
* GICD_IPRIORITYR has one byte-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_IPRIORITYR);
return (uint32_t)(gicd.GICD_IPRIORITYR[bank]);
}
void SetSPIRoute(uint32_t id, uint64_t affinity, GICDIROUTERBits_t mode)
{
uint32_t bank;
/*
* GICD_IROUTER has one doubleword-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_IROUTER);
gicd.GICD_IROUTER[bank] = affinity | (uint64_t)mode;
}
uint64_t GetSPIRoute(uint32_t id)
{
uint32_t bank;
/*
* GICD_IROUTER has one doubleword-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_IROUTER);
return gicd.GICD_IROUTER[bank];
}
void SetSPITarget(uint32_t id, uint32_t target)
{
uint32_t bank;
/*
* GICD_ITARGETSR has one byte-wide entry per interrupt
*/
bank = id & RANGE_LIMIT(gicd.GICD_ITARGETSR);
gicd.GICD_ITARGETSR[bank] = target;
}
uint32_t GetSPITarget(uint32_t id)
{
uint32_t bank;
/*
* GICD_ITARGETSR has one byte-wide entry per interrupt
*/
/*
* GICD_ITARGETSR has 4 interrupts per register, i.e. 8-bits of
* target bitmap per register
*/
bank = id & RANGE_LIMIT(gicd.GICD_ITARGETSR);
return (uint32_t)(gicd.GICD_ITARGETSR[bank]);
}
void ConfigureSPI(uint32_t id, GICDICFGRBits_t config)
{
uint32_t bank, tmp;
/*
* GICD_ICFGR has 16 interrupts per register, i.e. 2-bits of
* configuration per register
*/
bank = (id >> 4) & RANGE_LIMIT(gicd.GICD_ICFGR);
config &= 3;
id = (id & 0xf) << 1;
tmp = gicd.GICD_ICFGR[bank];
tmp &= ~(3 << id);
tmp |= config << id;
gicd.GICD_ICFGR[bank] = tmp;
}
void SetSPIPending(uint32_t id)
{
uint32_t bank;
/*
* GICD_ISPENDR has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ISPENDR);
id &= 0x1f;
gicd.GICD_ISPENDR[bank] = 1 << id;
}
void ClearSPIPending(uint32_t id)
{
uint32_t bank;
/*
* GICD_ICPENDR has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ICPENDR);
id &= 0x1f;
gicd.GICD_ICPENDR[bank] = 1 << id;
}
uint32_t GetSPIPending(uint32_t id)
{
uint32_t bank;
/*
* GICD_ICPENDR has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_ICPENDR);
id &= 0x1f;
return (gicd.GICD_ICPENDR[bank] >> id) & 1;
}
void SetSPISecurity(uint32_t id, GICIGROUPRBits_t group)
{
uint32_t bank, groupmod;
/*
* GICD_IGROUPR has 32 interrupts per register
*/
bank = (id >> 5) & RANGE_LIMIT(gicd.GICD_IGROUPR);
id &= 0x1f;
/*
* the single group argument is split into two separate
* registers, so filter out and remove the (new to gicv3)
* group modifier bit
*/
groupmod = (group >> 1) & 1;
group &= 1;
/*
* either set or clear the Group bit for the interrupt as appropriate
*/
if (group)
gicd.GICD_IGROUPR[bank] |= 1 << id;
else
gicd.GICD_IGROUPR[bank] &= ~(1 << id);
/*
* now deal with groupmod
*/
if (groupmod)
gicd.GICD_IGRPMODR[bank] |= 1 << id;
else
gicd.GICD_IGRPMODR[bank] &= ~(1 << id);
}
void SetSPISecurityBlock(uint32_t block, GICIGROUPRBits_t group)
{
uint32_t groupmod;
const uint32_t nbits = (sizeof group * 8) - 1;
/*
* GICD_IGROUPR has 32 interrupts per register
*/
block &= RANGE_LIMIT(gicd.GICD_IGROUPR);
/*
* get each bit of group config duplicated over all 32-bits in a word
*/
groupmod = (uint32_t)(((int32_t)group << (nbits - 1)) >> 31);
group = (uint32_t)(((int32_t)group << nbits) >> 31);
/*
* set the security state for this block of SPIs
*/
gicd.GICD_IGROUPR[block] = group;
gicd.GICD_IGRPMODR[block] = groupmod;
}
void SetSPISecurityAll(GICIGROUPRBits_t group)
{
uint32_t block;
/*
* GICD_TYPER.ITLinesNumber gives (No. SPIS / 32) - 1, and we
* want to iterate over all blocks excluding 0 (which are the
* SGI/PPI interrupts, and not relevant here)
*/
for (block = (gicd.GICD_TYPER & ((1 << 5) - 1)); block > 0; --block)
SetSPISecurityBlock(block, group);
}
/* EOF GICv3_gicd.c */

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@@ -0,0 +1,308 @@
/*
* GICv3_gicr.c - generic driver code for GICv3 redistributor
*
* Copyright (c) 2014-2019 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#include "GICv3.h"
/*
* physical LPI Redistributor register map
*/
typedef struct
{
volatile uint32_t GICR_CTLR; // +0x0000 - RW - Redistributor Control Register
const volatile uint32_t GICR_IIDR; // +0x0004 - RO - Implementer Identification Register
const volatile uint32_t GICR_TYPER[2]; // +0x0008 - RO - Redistributor Type Register
volatile uint32_t GICR_STATUSR; // +0x0010 - RW - Error Reporting Status Register, optional
volatile uint32_t GICR_WAKER; // +0x0014 - RW - Redistributor Wake Register
const volatile uint32_t padding1[2]; // +0x0018 - RESERVED
#ifndef USE_GIC600
volatile uint32_t IMPDEF1[8]; // +0x0020 - ?? - IMPLEMENTATION DEFINED
#else
volatile uint32_t GICR_FCTLR; // +0x0020 - RW - Function Control Register
volatile uint32_t GICR_PWRR; // +0x0024 - RW - Power Management Control Register
volatile uint32_t GICR_CLASS; // +0x0028 - RW - Class Register
const volatile uint32_t padding2[5]; // +0x002C - RESERVED
#endif
volatile uint64_t GICR_SETLPIR; // +0x0040 - WO - Set LPI Pending Register
volatile uint64_t GICR_CLRLPIR; // +0x0048 - WO - Clear LPI Pending Register
const volatile uint32_t padding3[8]; // +0x0050 - RESERVED
volatile uint64_t GICR_PROPBASER; // +0x0070 - RW - Redistributor Properties Base Address Register
volatile uint64_t GICR_PENDBASER; // +0x0078 - RW - Redistributor LPI Pending Table Base Address Register
const volatile uint32_t padding4[8]; // +0x0080 - RESERVED
volatile uint64_t GICR_INVLPIR; // +0x00A0 - WO - Redistributor Invalidate LPI Register
const volatile uint32_t padding5[2]; // +0x00A8 - RESERVED
volatile uint64_t GICR_INVALLR; // +0x00B0 - WO - Redistributor Invalidate All Register
const volatile uint32_t padding6[2]; // +0x00B8 - RESERVED
volatile uint64_t GICR_SYNCR; // +0x00C0 - RO - Redistributor Synchronize Register
const volatile uint32_t padding7[2]; // +0x00C8 - RESERVED
const volatile uint32_t padding8[12]; // +0x00D0 - RESERVED
volatile uint64_t IMPDEF2; // +0x0100 - WO - IMPLEMENTATION DEFINED
const volatile uint32_t padding9[2]; // +0x0108 - RESERVED
volatile uint64_t IMPDEF3; // +0x0110 - WO - IMPLEMENTATION DEFINED
const volatile uint32_t padding10[2]; // +0x0118 - RESERVED
} GICv3_redistributor_RD;
/*
* SGI and PPI Redistributor register map
*/
typedef struct
{
const volatile uint32_t padding1[32]; // +0x0000 - RESERVED
volatile uint32_t GICR_IGROUPR0; // +0x0080 - RW - Interrupt Group Registers (Security Registers in GICv1)
const volatile uint32_t padding2[31]; // +0x0084 - RESERVED
volatile uint32_t GICR_ISENABLER; // +0x0100 - RW - Interrupt Set-Enable Registers
const volatile uint32_t padding3[31]; // +0x0104 - RESERVED
volatile uint32_t GICR_ICENABLER; // +0x0180 - RW - Interrupt Clear-Enable Registers
const volatile uint32_t padding4[31]; // +0x0184 - RESERVED
volatile uint32_t GICR_ISPENDR; // +0x0200 - RW - Interrupt Set-Pending Registers
const volatile uint32_t padding5[31]; // +0x0204 - RESERVED
volatile uint32_t GICR_ICPENDR; // +0x0280 - RW - Interrupt Clear-Pending Registers
const volatile uint32_t padding6[31]; // +0x0284 - RESERVED
volatile uint32_t GICR_ISACTIVER; // +0x0300 - RW - Interrupt Set-Active Register
const volatile uint32_t padding7[31]; // +0x0304 - RESERVED
volatile uint32_t GICR_ICACTIVER; // +0x0380 - RW - Interrupt Clear-Active Register
const volatile uint32_t padding8[31]; // +0x0184 - RESERVED
volatile uint8_t GICR_IPRIORITYR[32]; // +0x0400 - RW - Interrupt Priority Registers
const volatile uint32_t padding9[504]; // +0x0420 - RESERVED
volatile uint32_t GICR_ICnoFGR[2]; // +0x0C00 - RW - Interrupt Configuration Registers
const volatile uint32_t padding10[62]; // +0x0C08 - RESERVED
volatile uint32_t GICR_IGRPMODR0; // +0x0D00 - RW - ????
const volatile uint32_t padding11[63]; // +0x0D04 - RESERVED
volatile uint32_t GICR_NSACR; // +0x0E00 - RW - Non-Secure Access Control Register
} GICv3_redistributor_SGI;
/*
* We have a multiplicity of GIC Redistributors; on the GIC-AEM and
* GIC-500 they are arranged as one 128KB region per redistributor: one
* 64KB page of GICR LPI registers, and one 64KB page of GICR Private
* Int registers
*/
typedef struct
{
union
{
GICv3_redistributor_RD RD_base;
uint8_t padding[64 * 1024];
} RDblock;
union
{
GICv3_redistributor_SGI SGI_base;
uint8_t padding[64 * 1024];
} SGIblock;
} GICv3_GICR;
/*
* use the scatter file to place GIC Redistributor base address
*
* although this code doesn't know how many Redistributor banks
* a particular system will have, we declare gicrbase as an array
* to avoid unwanted compiler optimisations when calculating the
* base of a particular Redistributor bank
*/
static const GICv3_GICR gicrbase[2] __attribute__((section (".gicr")));
/**********************************************************************/
/*
* utility functions to calculate base of a particular
* Redistributor bank
*/
static inline GICv3_redistributor_RD *const getgicrRD(uint32_t gicr)
{
GICv3_GICR *const arraybase = (GICv3_GICR *const)&gicrbase;
return &((arraybase + gicr)->RDblock.RD_base);
}
static inline GICv3_redistributor_SGI *const getgicrSGI(uint32_t gicr)
{
GICv3_GICR *arraybase = (GICv3_GICR *)(&gicrbase);
return &(arraybase[gicr].SGIblock.SGI_base);
}
/**********************************************************************/
// This function walks a block of RDs to find one with the matching affinity
uint32_t GetGICR(uint32_t affinity)
{
GICv3_redistributor_RD* gicr;
uint32_t index = 0;
do
{
gicr = getgicrRD(index);
if (gicr->GICR_TYPER[1] == affinity)
return index;
index++;
}
while((gicr->GICR_TYPER[0] & (1<<4)) == 0); // Keep looking until GICR_TYPER.Last reports no more RDs in block
return 0xFFFFFFFF; // return -1 to signal not RD found
}
void WakeupGICR(uint32_t gicr)
{
GICv3_redistributor_RD *const gicrRD = getgicrRD(gicr);
#ifdef USE_GIC600
//Power up Re-distributor for GIC-600
gicrRD->GICR_PWRR = 0x2;
#endif
/*
* step 1 - ensure GICR_WAKER.ProcessorSleep is off
*/
gicrRD->GICR_WAKER &= ~gicrwaker_ProcessorSleep;
/*
* step 2 - wait for children asleep to be cleared
*/
while ((gicrRD->GICR_WAKER & gicrwaker_ChildrenAsleep) != 0)
continue;
/*
* OK, GICR is go
*/
return;
}
void EnablePrivateInt(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
id &= 0x1f;
gicrSGI->GICR_ISENABLER = 1 << id;
}
void DisablePrivateInt(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
id &= 0x1f;
gicrSGI->GICR_ICENABLER = 1 << id;
}
void SetPrivateIntPriority(uint32_t gicr, uint32_t id, uint32_t priority)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICD_IPRIORITYR has one byte-wide entry per interrupt
*/
id &= RANGE_LIMIT(gicrSGI->GICR_IPRIORITYR);
gicrSGI->GICR_IPRIORITYR[id] = priority;
}
uint32_t GetPrivateIntPriority(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICD_IPRIORITYR has one byte-wide entry per interrupt
*/
id &= RANGE_LIMIT(gicrSGI->GICR_IPRIORITYR);
return (uint32_t)(gicrSGI->GICR_IPRIORITYR[id]);
}
void SetPrivateIntPending(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICR_ISPENDR is one 32-bit register
*/
id &= 0x1f;
gicrSGI->GICR_ISPENDR = 1 << id;
}
void ClearPrivateIntPending(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICR_ICPENDR is one 32-bit register
*/
id &= 0x1f;
gicrSGI->GICR_ICPENDR = 1 << id;
}
uint32_t GetPrivateIntPending(uint32_t gicr, uint32_t id)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
/*
* GICR_ISPENDR is one 32-bit register
*/
id &= 0x1f;
return (gicrSGI->GICR_ISPENDR >> id) & 0x01;
}
void SetPrivateIntSecurity(uint32_t gicr, uint32_t id, GICIGROUPRBits_t group)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
uint32_t groupmod;
/*
* GICR_IGROUPR0 is one 32-bit register
*/
id &= 0x1f;
/*
* the single group argument is split into two separate
* registers, so filter out and remove the (new to gicv3)
* group modifier bit
*/
groupmod = (group >> 1) & 1;
group &= 1;
/*
* either set or clear the Group bit for the interrupt as appropriate
*/
if (group)
gicrSGI->GICR_IGROUPR0 |= 1 << id;
else
gicrSGI->GICR_IGROUPR0 &= ~(1 << id);
/*
* now deal with groupmod
*/
if (groupmod)
gicrSGI->GICR_IGRPMODR0 |= 1 << id;
else
gicrSGI->GICR_IGRPMODR0 &= ~(1 << id);
}
void SetPrivateIntSecurityBlock(uint32_t gicr, GICIGROUPRBits_t group)
{
GICv3_redistributor_SGI *const gicrSGI = getgicrSGI(gicr);
const uint32_t nbits = (sizeof group * 8) - 1;
uint32_t groupmod;
/*
* get each bit of group config duplicated over all 32 bits
*/
groupmod = (uint32_t)(((int32_t)group << (nbits - 1)) >> 31);
group = (uint32_t)(((int32_t)group << nbits) >> 31);
/*
* set the security state for this block of SPIs
*/
gicrSGI->GICR_IGROUPR0 = group;
gicrSGI->GICR_IGRPMODR0 = groupmod;
}
/* EOF GICv3_gicr.c */

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//
// Armv8-A AArch64 - Basic Mutex Example
// Includes the option (USE_LSE_ATOMIC) to use Large System Extension (LSE) atomics introduced in Armv8.1-A
//
// Copyright (c) 2012-2019 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
//
.text
.cfi_sections .debug_frame // put stack frame info into .debug_frame instead of .eh_frame
.global _mutex_initialize
.global _mutex_acquire
.global _mutex_release
//
// These routines implement the mutex management functions required for running
// the Arm C library in a multi-threaded environment.
//
// They use a value of 0 to represent an unlocked mutex, and 1 for a locked mutex
//
// **********************************************************************
//
.type _mutex_initialize, "function"
.cfi_startproc
_mutex_initialize:
//
// mark the mutex as unlocked
//
mov w1, #0
str w1, [x0]
//
// we are running multi-threaded, so set a non-zero return
// value (function prototype says use 1)
//
mov w0, #1
ret
.cfi_endproc
#if !defined(USE_LSE_ATOMIC)
.type _mutex_acquire, "function"
.cfi_startproc
_mutex_acquire:
//
// send ourselves an event, so we don't stick on the wfe at the
// top of the loop
//
sevl
//
// wait until the mutex is available
//
loop:
wfe
ldaxr w1, [x0]
cbnz w1, loop
//
// mutex is (at least, it was) available - try to claim it
//
mov w1, #1
stxr w2, w1, [x0]
cbnz w2, loop
//
// OK, we have the mutex, our work is done here
//
ret
.cfi_endproc
.type _mutex_release, "function"
.cfi_startproc
_mutex_release:
mov w1, #0
stlr w1, [x0]
ret
.cfi_endproc
#else // LSE version
.type _mutex_acquire, "function"
.cfi_startproc
_mutex_acquire:
// This uses a "ticket lock". The lock is stored as a 32-bit value:
// - the upper 16-bits record the thread's ticket number ("take a ticket")
// - the lower 16-bits record the ticket being served ("now serving")
// atomically load then increment the thread's ticket number ("take a ticket")
mov w3, #(1 << 16)
ldadda w3, w1, [x0]
// is the ticket now being served?
eor w2, w1, w1, ror #16
cbz w2, loop_exit
// no, so wait for the ticket to be served
// send a local event to avoid missing an unlock before the exclusive load
sevl
loop:
wfe
ldaxrh w3, [x0]
eor w2, w3, w1, lsr #16
cbnz w2, loop
//
// OK, we have the mutex, our work is done here
//
loop_exit:
ret
.cfi_endproc
.type _mutex_release, "function"
.cfi_startproc
_mutex_release:
mov w1, #1
staddlh w1, [x0]
ret
.cfi_endproc
#endif

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@@ -0,0 +1,66 @@
/*
* Armv8-A AArch64 - Basic Mutex Example
*
* Copyright (c) 2012-2014 Arm Limited (or its affiliates). All rights reserved.
* Use, modification and redistribution of this file is subject to your possession of a
* valid End User License Agreement for the Arm Product of which these examples are part of
* and your compliance with all applicable terms and conditions of such licence agreement.
*/
#ifndef MP_MUTEX_H
#define MP_MUTEX_H
/*
* The Arm C library calls-out to these functions to manage multithreading.
* They can also be called by user application code.
*
* Mutex type is specified by the Arm C library
*
* Declare function prototypes for libc mutex routines
*/
typedef signed int *mutex;
/*
* int _mutex_initialize(mutex *m)
*
* Inputs
* mutex *m - pointer to the 32-bit word associated with the mutex
*
* Returns
* 0 - application is non-threaded
* 1 - application is threaded
* The C library uses the return result to indicate whether it is being used in a multithreaded environment.
*/
int _mutex_initialize(mutex *m);
/*
* void _mutex_acquire(mutex *m)
*
* Inputs
* mutex *m - pointer to the 32-bit word associated with the mutex
*
* Returns
* <nothing>
*
* Side Effects
* Routine does not return until the mutex has been claimed. A load-acquire
* is used to guarantee that the mutex claim is properly ordered with
* respect to any accesses to the resource protected by the mutex
*/
void _mutex_acquire(mutex *m);
/*
* void _mutex_release(mutex *m)
*
* Inputs
* mutex *m - pointer to the 32-bit word associated with the mutex
*
* Returns
* <nothing>
*
* Side Effects
* A store-release is used to guarantee that the mutex release is properly
* ordered with respect any accesses to the resource protected by the mutex
*/
void _mutex_release(mutex *m);
#endif

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@@ -0,0 +1,66 @@
//
// Private Peripheral Map for the v8 Architecture Envelope Model
//
// Copyright (c) 2012-2017 Arm Limited (or its affiliates). All rights reserved.
// Use, modification and redistribution of this file is subject to your possession of a
// valid End User License Agreement for the Arm Product of which these examples are part of
// and your compliance with all applicable terms and conditions of such licence agreement.
//
#ifndef PPM_AEM_H
#define PPM_AEM_H
//
// Distributor layout
//
#define GICD_CTLR 0x0000
#define GICD_TYPER 0x0004
#define GICD_IIDR 0x0008
#define GICD_IGROUP 0x0080
#define GICD_ISENABLE 0x0100
#define GICD_ICENABLE 0x0180
#define GICD_ISPEND 0x0200
#define GICD_ICPEND 0x0280
#define GICD_ISACTIVE 0x0300
#define GICD_ICACTIVE 0x0380
#define GICD_IPRIORITY 0x0400
#define GICD_ITARGETS 0x0800
#define GICD_ICFG 0x0c00
#define GICD_PPISR 0x0d00
#define GICD_SPISR 0x0d04
#define GICD_SGIR 0x0f00
#define GICD_CPENDSGI 0x0f10
#define GICD_SPENDSGI 0x0f20
#define GICD_PIDR4 0x0fd0
#define GICD_PIDR5 0x0fd4
#define GICD_PIDR6 0x0fd8
#define GICD_PIDR7 0x0fdc
#define GICD_PIDR0 0x0fe0
#define GICD_PIDR1 0x0fe4
#define GICD_PIDR2 0x0fe8
#define GICD_PIDR3 0x0fec
#define GICD_CIDR0 0x0ff0
#define GICD_CIDR1 0x0ff4
#define GICD_CIDR2 0x0ff8
#define GICD_CIDR3 0x0ffc
//
// CPU Interface layout
//
#define GICC_CTLR 0x0000
#define GICC_PMR 0x0004
#define GICC_BPR 0x0008
#define GICC_IAR 0x000c
#define GICC_EOIR 0x0010
#define GICC_RPR 0x0014
#define GICC_HPPIR 0x0018
#define GICC_ABPR 0x001c
#define GICC_AIAR 0x0020
#define GICC_AEOIR 0x0024
#define GICC_AHPPIR 0x0028
#define GICC_APR0 0x00d0
#define GICC_NSAPR0 0x00e0
#define GICC_IIDR 0x00fc
#define GICC_DIR 0x1000
#endif // PPM_AEM_H

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@@ -0,0 +1,377 @@
/* This is a small demo of the high-performance ThreadX kernel. It includes examples of eight
threads of different priorities, using a message queue, semaphore, mutex, event flags group,
byte pool, and block pool. */
#include "tx_api.h"
#include <stddef.h>
#define DEMO_STACK_SIZE 2048
#define DEMO_BYTE_POOL_SIZE 64000
#define DEMO_BLOCK_POOL_SIZE 100
#define DEMO_QUEUE_SIZE 100
/* Define the ThreadX object control blocks... */
TX_THREAD thread_0;
TX_THREAD thread_1;
TX_THREAD thread_2;
TX_THREAD thread_3;
TX_THREAD thread_4;
TX_THREAD thread_5;
TX_THREAD thread_6;
TX_THREAD thread_7;
TX_QUEUE queue_0;
TX_SEMAPHORE semaphore_0;
TX_MUTEX mutex_0;
TX_EVENT_FLAGS_GROUP event_flags_0;
TX_BYTE_POOL byte_pool_0;
TX_BLOCK_POOL block_pool_0;
/* Define the counters used in the demo application... */
ULONG thread_0_counter;
ULONG thread_1_counter;
ULONG thread_1_messages_sent;
ULONG thread_2_counter;
ULONG thread_2_messages_received;
ULONG thread_3_counter;
ULONG thread_4_counter;
ULONG thread_5_counter;
ULONG thread_6_counter;
ULONG thread_7_counter;
UCHAR memory_pool[DEMO_BYTE_POOL_SIZE];
/* Define thread prototypes. */
void thread_0_entry(ULONG thread_input);
void thread_1_entry(ULONG thread_input);
void thread_2_entry(ULONG thread_input);
void thread_3_and_4_entry(ULONG thread_input);
void thread_5_entry(ULONG thread_input);
void thread_6_and_7_entry(ULONG thread_input);
void init_timer();
/* Define main entry point. */
int main()
{
/* Initialize timer for ThreadX. */
init_timer();
/* Enter the ThreadX kernel. */
tx_kernel_enter();
}
/* Define what the initial system looks like. */
void tx_application_define(void *first_unused_memory)
{
UCHAR *pointer = TX_NULL;
/* Create a byte memory pool from which to allocate the thread stacks. */
tx_byte_pool_create(&byte_pool_0, "byte pool 0", memory_pool, DEMO_BYTE_POOL_SIZE);
/* Put system definition stuff in here, e.g. thread creates and other assorted
create information. */
/* Allocate the stack for thread 0. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
/* Create the main thread. */
tx_thread_create(&thread_0, "thread 0", thread_0_entry, 0,
pointer, DEMO_STACK_SIZE,
1, 1, TX_NO_TIME_SLICE, TX_AUTO_START);
/* Allocate the stack for thread 1. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
/* Create threads 1 and 2. These threads pass information through a ThreadX
message queue. It is also interesting to note that these threads have a time
slice. */
tx_thread_create(&thread_1, "thread 1", thread_1_entry, 1,
pointer, DEMO_STACK_SIZE,
16, 16, 4, TX_AUTO_START);
/* Allocate the stack for thread 2. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
tx_thread_create(&thread_2, "thread 2", thread_2_entry, 2,
pointer, DEMO_STACK_SIZE,
16, 16, 4, TX_AUTO_START);
/* Allocate the stack for thread 3. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
/* Create threads 3 and 4. These threads compete for a ThreadX counting semaphore.
An interesting thing here is that both threads share the same instruction area. */
tx_thread_create(&thread_3, "thread 3", thread_3_and_4_entry, 3,
pointer, DEMO_STACK_SIZE,
8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
/* Allocate the stack for thread 4. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
tx_thread_create(&thread_4, "thread 4", thread_3_and_4_entry, 4,
pointer, DEMO_STACK_SIZE,
8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
/* Allocate the stack for thread 5. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
/* Create thread 5. This thread simply pends on an event flag which will be set
by thread_0. */
tx_thread_create(&thread_5, "thread 5", thread_5_entry, 5,
pointer, DEMO_STACK_SIZE,
4, 4, TX_NO_TIME_SLICE, TX_AUTO_START);
/* Allocate the stack for thread 6. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
/* Create threads 6 and 7. These threads compete for a ThreadX mutex. */
tx_thread_create(&thread_6, "thread 6", thread_6_and_7_entry, 6,
pointer, DEMO_STACK_SIZE,
8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
/* Allocate the stack for thread 7. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
tx_thread_create(&thread_7, "thread 7", thread_6_and_7_entry, 7,
pointer, DEMO_STACK_SIZE,
8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
/* Allocate the message queue. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_QUEUE_SIZE*sizeof(ULONG), TX_NO_WAIT);
/* Create the message queue shared by threads 1 and 2. */
tx_queue_create(&queue_0, "queue 0", TX_1_ULONG, pointer, DEMO_QUEUE_SIZE*sizeof(ULONG));
/* Create the semaphore used by threads 3 and 4. */
tx_semaphore_create(&semaphore_0, "semaphore 0", 1);
/* Create the event flags group used by threads 1 and 5. */
tx_event_flags_create(&event_flags_0, "event flags 0");
/* Create the mutex used by thread 6 and 7 without priority inheritance. */
tx_mutex_create(&mutex_0, "mutex 0", TX_NO_INHERIT);
/* Allocate the memory for a small block pool. */
tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_BLOCK_POOL_SIZE, TX_NO_WAIT);
/* Create a block memory pool to allocate a message buffer from. */
tx_block_pool_create(&block_pool_0, "block pool 0", sizeof(ULONG), pointer, DEMO_BLOCK_POOL_SIZE);
/* Allocate a block and release the block memory. */
tx_block_allocate(&block_pool_0, (VOID **) &pointer, TX_NO_WAIT);
/* Release the block back to the pool. */
tx_block_release(pointer);
}
/* Define the test threads. */
void thread_0_entry(ULONG thread_input)
{
UINT status;
/* This thread simply sits in while-forever-sleep loop. */
while(1)
{
/* Increment the thread counter. */
thread_0_counter++;
/* Sleep for 10 ticks. */
tx_thread_sleep(10);
/* Set event flag 0 to wakeup thread 5. */
status = tx_event_flags_set(&event_flags_0, 0x1, TX_OR);
/* Check status. */
if (status != TX_SUCCESS)
break;
}
}
void thread_1_entry(ULONG thread_input)
{
UINT status;
/* This thread simply sends messages to a queue shared by thread 2. */
while(1)
{
/* Increment the thread counter. */
thread_1_counter++;
/* Send message to queue 0. */
status = tx_queue_send(&queue_0, &thread_1_messages_sent, TX_WAIT_FOREVER);
/* Check completion status. */
if (status != TX_SUCCESS)
break;
/* Increment the message sent. */
thread_1_messages_sent++;
}
}
void thread_2_entry(ULONG thread_input)
{
ULONG received_message;
UINT status;
/* This thread retrieves messages placed on the queue by thread 1. */
while(1)
{
/* Increment the thread counter. */
thread_2_counter++;
/* Retrieve a message from the queue. */
status = tx_queue_receive(&queue_0, &received_message, TX_WAIT_FOREVER);
/* Check completion status and make sure the message is what we
expected. */
if ((status != TX_SUCCESS) || (received_message != thread_2_messages_received))
break;
/* Otherwise, all is okay. Increment the received message count. */
thread_2_messages_received++;
}
}
void thread_3_and_4_entry(ULONG thread_input)
{
UINT status;
/* This function is executed from thread 3 and thread 4. As the loop
below shows, these function compete for ownership of semaphore_0. */
while(1)
{
/* Increment the thread counter. */
if (thread_input == 3)
thread_3_counter++;
else
thread_4_counter++;
/* Get the semaphore with suspension. */
status = tx_semaphore_get(&semaphore_0, TX_WAIT_FOREVER);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Sleep for 2 ticks to hold the semaphore. */
tx_thread_sleep(2);
/* Release the semaphore. */
status = tx_semaphore_put(&semaphore_0);
/* Check status. */
if (status != TX_SUCCESS)
break;
}
}
void thread_5_entry(ULONG thread_input)
{
UINT status;
ULONG actual_flags;
/* This thread simply waits for an event in a forever loop. */
while(1)
{
/* Increment the thread counter. */
thread_5_counter++;
/* Wait for event flag 0. */
status = tx_event_flags_get(&event_flags_0, 0x1, TX_OR_CLEAR,
&actual_flags, TX_WAIT_FOREVER);
/* Check status. */
if ((status != TX_SUCCESS) || (actual_flags != 0x1))
break;
}
}
void thread_6_and_7_entry(ULONG thread_input)
{
UINT status;
/* This function is executed from thread 6 and thread 7. As the loop
below shows, these function compete for ownership of mutex_0. */
while(1)
{
/* Increment the thread counter. */
if (thread_input == 6)
thread_6_counter++;
else
thread_7_counter++;
/* Get the mutex with suspension. */
status = tx_mutex_get(&mutex_0, TX_WAIT_FOREVER);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Get the mutex again with suspension. This shows
that an owning thread may retrieve the mutex it
owns multiple times. */
status = tx_mutex_get(&mutex_0, TX_WAIT_FOREVER);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Sleep for 2 ticks to hold the mutex. */
tx_thread_sleep(2);
/* Release the mutex. */
status = tx_mutex_put(&mutex_0);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Release the mutex again. This will actually
release ownership since it was obtained twice. */
status = tx_mutex_put(&mutex_0);
/* Check status. */
if (status != TX_SUCCESS)
break;
}
}

View File

@@ -0,0 +1,333 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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