forked from Imagelibrary/rtems
Patch from Jay Monkman <jmonkman@frasca.com> to address minor issues
in the eth_comm BSP documentation.
This commit is contained in:
Joel Sherrill
@@ -136,8 +136,9 @@ The following persons/organizations have made contributions:
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Puchheim,Germany submitted some improvements to the PPC403
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support and added the helas403 BSP.
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+ Jay Monkman (jmonkman@frasca.com) of Frasca submitted the
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eth_comm BSP and support for the MPC860 PowerPC CPU model.
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+ Jay Monkman (jmonkman@frasca.com) of Frasca International, Inc
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submitted the support for the Motorola MPC860 CPU including the
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'eth_comm' BSP
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+ Charles Gauthier <Charles.Gauthier@iit.nrc.ca> of the Institute for
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Information Technology for the National Research Council of Canada
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@@ -27,10 +27,10 @@ NETWORKING: Ethernet (10 Mbps) on SCC1 (MPC860)
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DRIVER INFORMATION
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==================
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CLOCK DRIVER:
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IOSUPP DRIVER:
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CLOCK DRIVER: Periodic Interval Timer
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IOSUPP DRIVER: SCC1, SCC2, SCC3, SCC4, SMC1, SMC2
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SHMSUPP: none
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TIMER DRIVER:
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TIMER DRIVER: Timebase register (lower 32 bits only)
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STDIO
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=====
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@@ -62,7 +62,7 @@ On-chip resources:
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BRG4 console
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RTC
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PIT clock
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TB
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TB timer
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DEC
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SWT
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*CS0 FLASH
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@@ -75,17 +75,17 @@ On-chip resources:
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*CS7 DRAM bank 0
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UPMA
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UPMB
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IRQ0
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IRQ1
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IRQ0 Voltage supervisor
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IRQ1 ARINC-429
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IRQ2 CAN2
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IRQ3 CAN0
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IRQ4 CAN1
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IRQ5
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IRQ6
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IRQ5
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IRQ6 Multibus I
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IRQ7
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IRQ_LVL0 clock - PIT
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IRQ_LVL1
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IRQ_LVL2
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IRQ_LVL1 CPM
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IRQ_LVL2 FEC
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IRQ_LVL3
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IRQ_LVL4
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IRQ_LVL5
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@@ -98,3 +98,192 @@ Bus width: 16 bit Flash, 32 bit DRAM
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FLASH: 128K - 1024K, 120ns
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RAM: 2 - 32M DRAM SIMM, autodetects size and speed
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Verification
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-------------------------------
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Single processor tests: Passed
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Multi-processort tests: not applicable
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Timing tests:
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Context Switch
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context switch: self 9
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context switch: to another task 10
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context switch: no floating point contexts 23
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fp context switch: restore 1st FP task 24
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fp context switch: save initialized, restore initialized 11
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fp context switch: save idle, restore initialized 11
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fp context switch: save idle, restore idle 23
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Task Manager
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rtems_task_create 83
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rtems_task_ident 84
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rtems_task_start 30
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rtems_task_restart: calling task 48
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rtems_task_restart: suspended task -- returns to caller 36
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rtems_task_restart: blocked task -- returns to caller 47
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rtems_task_restart: ready task -- returns to caller 35
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rtems_task_restart: suspended task -- preempts caller 56
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rtems_task_restart: blocked task -- preempts caller 116
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rtems_task_restart: ready task -- preempts caller 93
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rtems_task_delete: calling task 102
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rtems_task_delete: suspended task 74
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rtems_task_delete: blocked task 76
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rtems_task_delete: ready task 80
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rtems_task_suspend: calling task 37
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rtems_task_suspend: returns to caller 14
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rtems_task_resume: task readied -- returns to caller 16
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rtems_task_resume: task readied -- preempts caller 30
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rtems_task_set_priority: obtain current priority 12
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rtems_task_set_priority: returns to caller 23
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rtems_task_set_priority: preempts caller 52
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rtems_task_mode: obtain current mode 5
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rtems_task_mode: no reschedule 6
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rtems_task_mode: reschedule -- returns to caller 15
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rtems_task_mode: reschedule -- preempts caller 43
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rtems_task_get_note 13
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rtems_task_set_note 12
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rtems_task_wake_after: yield -- returns to caller 8
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rtems_task_wake_after: yields -- preempts caller 30
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rtems_task_wake_when: 49
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Interrupt Manager
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interrupt entry overhead: returns to nested interrupt 7
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interrupt entry overhead: returns to interrupted task 31
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interrupt entry overhead: returns to preempting task 14
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interrupt exit overhead: returns to nested interrupt 10
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interrupt exit overhead: returns to interrupted task 8
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interrupt exit overhead: returns to preempting task 45
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Clock Manager
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rtems_clock_set 28
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rtems_clock_get 0
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rtems_clock_tick 36
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Timer Manager
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rtems_timer_create 11
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rtems_timer_ident 82
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rtems_timer_delete: inactive 14
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rtems_timer_delete: active 16
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rtems_timer_fire_after: inactive 20
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rtems_timer_fire_after: active 22
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rtems_timer_fire_when: inactive 24
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rtems_timer_fire_when: active 24
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rtems_timer_reset: inactive 18
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rtems_timer_reset: active 21
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rtems_timer_cancel: inactive 11
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rtems_timer_cancel: active 12
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Semaphore Manager
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rtems_semaphore_create 56
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rtems_semaphore_ident 94
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rtems_semaphore_delete 34
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rtems_semaphore_obtain: available 13
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rtems_semaphore_obtain: not available -- NO_WAIT 13
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rtems_semaphore_obtain: not available -- caller blocks 48
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rtems_semaphore_release: no waiting tasks 16
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rtems_semaphore_release: task readied -- returns to caller 36
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rtems_semaphore_release: task readied -- preempts caller 36
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Message Queue Manager
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rtems_message_queue_create 110
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rtems_message_queue_ident 82
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rtems_message_queue_delete 43
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rtems_message_queue_send: no waiting tasks 28
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rtems_message_queue_send: task readied -- returns to caller 31
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rtems_message_queue_send: task readied -- preempts caller 46
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rtems_message_queue_urgent: no waiting tasks 28
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rtems_message_queue_urgent: task readied -- returns to caller 31
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rtems_message_queue_urgent: task readied -- preempts caller 46
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rtems_message_queue_broadcast: no waiting tasks 22
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rtems_message_queue_broadcast: task readied -- returns to caller 81
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rtems_message_queue_broadcast: task readied -- preempts caller 75
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rtems_message_queue_receive: available 26
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rtems_message_queue_receive: not available -- NO_WAIT 15
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rtems_message_queue_receive: not available -- caller blocks 48
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rtems_message_queue_flush: no messages flushed 14
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rtems_message_queue_flush: messages flushed 14
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Event Manager
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rtems_event_send: no task readied 12
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rtems_event_send: task readied -- returns to caller 38
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rtems_event_send: task readied -- preempts caller 21
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rtems_event_receive: obtain current events 1
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rtems_event_receive: available 19
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rtems_event_receive: not available -- NO_WAIT 11
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rtems_event_receive: not available -- caller blocks 36
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Signal Manager
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rtems_signal_catch: 31
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rtems_signal_send: returns to caller 21
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rtems_signal_send: signal to self 39
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exit ASR overhead: returns to calling task 30
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exit ASR overhead: returns to preempting task 33
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Partition Manager
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rtems_partition_create 59
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rtems_partition_ident 82
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rtems_partition_delete 20
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rtems_partition_get_buffer: available 19
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rtems_partition_get_buffer: not available 13
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rtems_partition_return_buffer 20
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Region Manager
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rtems_region_create 37
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rtems_region_ident 84
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rtems_region_delete 20
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rtems_region_get_segment: available 19
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rtems_region_get_segment: not available -- NO_WAIT 23
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rtems_region_get_segment: not available -- caller blocks 75
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rtems_region_return_segment: no waiting tasks 21
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rtems_region_return_segment: task readied -- returns to caller 55
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rtems_region_return_segment: task readied -- preempts caller 82
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Dual-Ported Memory Manager
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rtems_port_create 23
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rtems_port_ident 82
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rtems_port_delete 21
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rtems_port_internal_to_external 10
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rtems_port_external_to_internal 11
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IO Manager
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rtems_io_initialize 1
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rtems_io_open 1
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rtems_io_close 1
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rtems_io_read 1
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rtems_io_write 1
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rtems_io_control 1
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Rate Monotonic Manager
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rtems_rate_monotonic_create 43
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rtems_rate_monotonic_ident 82
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rtems_rate_monotonic_cancel 23
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rtems_rate_monotonic_delete: active 28
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rtems_rate_monotonic_delete: inactive 25
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rtems_rate_monotonic_period: obtain status 17
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rtems_rate_monotonic_period: initiate period -- returns to caller 32
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rtems_rate_monotonic_period: conclude periods -- caller blocks 30
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Network tests:
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TCP throughput (as measured by ttcp):
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Receive: 1324 kbytes/sec
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Transmit: 1037 kbytes/sec
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@@ -7,188 +7,189 @@
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# $Id$
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#
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Board:
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CPU: include coprocessor if applicable
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Clock Speed:
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Memory Configuration: SRAM, DRAM, cache, etc
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Board: eth_comm
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CPU: Motorola MPC860T
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Clock Speed: 40 Mhz
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Memory Configuration: DRAM, 60ns
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Wait States:
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Times Reported in: cycles, microseconds, etc
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Timer Source: Count Down Timer, on-CPU cycle counter, etc
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Timer Source: Time Base register
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Column X:
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Column Y:
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# DESCRIPTION A B
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== ================================================================= ==== ====
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1 rtems_semaphore_create 20
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rtems_semaphore_delete 21
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rtems_semaphore_obtain: available 15
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rtems_semaphore_obtain: not available -- NO_WAIT 15
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1 rtems_semaphore_create 56
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rtems_semaphore_delete 35
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rtems_semaphore_obtain: available 13
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rtems_semaphore_obtain: not available -- NO_WAIT 13
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rtems_semaphore_release: no waiting tasks 16
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2 rtems_semaphore_obtain: not available -- caller blocks 62
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2 rtems_semaphore_obtain: not available -- caller blocks 48
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3 rtems_semaphore_release: task readied -- preempts caller 55
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3 rtems_semaphore_release: task readied -- preempts caller 36
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4 rtems_task_restart: blocked task -- preempts caller 77
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rtems_task_restart: ready task -- preempts caller 70
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rtems_semaphore_release: task readied -- returns to caller 25
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rtems_task_create 57
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rtems_task_start 31
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rtems_task_restart: suspended task -- returns to caller 36
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rtems_task_delete: suspended task 47
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rtems_task_restart: ready task -- returns to caller 37
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rtems_task_restart: blocked task -- returns to caller 46
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rtems_task_delete: blocked task 50
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4 rtems_task_restart: blocked task -- preempts caller 117
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rtems_task_restart: ready task -- preempts caller 94
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rtems_semaphore_release: task readied -- returns to caller 22
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rtems_task_create 83
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rtems_task_start 30
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rtems_task_restart: suspended task -- returns to caller 36
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rtems_task_delete: suspended task 74
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rtems_task_restart: ready task -- returns to caller 35
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rtems_task_restart: blocked task -- returns to caller 47
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rtems_task_delete: blocked task 76
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5 rtems_task_suspend: calling task 51
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rtems_task_resume: task readied -- preempts caller 49
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5 rtems_task_suspend: calling task 37
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rtems_task_resume: task readied -- preempts caller 31
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6 rtems_task_restart: calling task 59
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rtems_task_suspend: returns to caller 18
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rtems_task_resume: task readied -- returns to caller 19
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rtems_task_delete: ready task 50
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6 rtems_task_restart: calling task 48
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rtems_task_suspend: returns to caller 14
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rtems_task_resume: task readied -- returns to caller 16
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rtems_task_delete: ready task 80
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7 rtems_task_restart: suspended task -- preempts caller 70
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7 rtems_task_restart: suspended task -- preempts caller 56
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8 rtems_task_set_priority: obtain current priority 12
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rtems_task_set_priority: returns to caller 27
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rtems_task_mode: obtain current mode 5
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rtems_task_mode: no reschedule 5
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rtems_task_mode: reschedule -- returns to caller 8
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rtems_task_mode: reschedule -- preempts caller 39
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rtems_task_set_note 13
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rtems_task_get_note 13
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rtems_clock_set 33
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rtems_clock_get 3
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8 rtems_task_set_priority: obtain current priority 12
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rtems_task_set_priority: returns to caller 23
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rtems_task_mode: obtain current mode 5
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rtems_task_mode: no reschedule 7
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rtems_task_mode: reschedule -- returns to caller 14
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rtems_task_mode: reschedule -- preempts caller 43
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rtems_task_set_note 13
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rtems_task_get_note 12
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rtems_clock_set 28
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rtems_clock_get 0
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9 rtems_message_queue_create 110
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rtems_message_queue_send: no waiting tasks 37
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rtems_message_queue_urgent: no waiting tasks 37
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rtems_message_queue_receive: available 31
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rtems_message_queue_flush: no messages flushed 12
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rtems_message_queue_flush: messages flushed 16
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rtems_message_queue_delete 26
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9 rtems_message_queue_create 110
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rtems_message_queue_send: no waiting tasks 28
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rtems_message_queue_urgent: no waiting tasks 28
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rtems_message_queue_receive: available 26
|
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rtems_message_queue_flush: no messages flushed 13
|
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rtems_message_queue_flush: messages flushed 14
|
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rtems_message_queue_delete 45
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10 rtems_message_queue_receive: not available -- NO_WAIT 15
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rtems_message_queue_receive: not available -- caller blocks 62
|
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10 rtems_message_queue_receive: not available -- NO_WAIT 15
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rtems_message_queue_receive: not available -- caller blocks 48
|
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11 rtems_message_queue_send: task readied -- preempts caller 72
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11 rtems_message_queue_send: task readied -- preempts caller 46
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|
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12 rtems_message_queue_send: task readied -- returns to caller 39
|
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12 rtems_message_queue_send: task readied -- returns to caller 31
|
||||
|
||||
13 rtems_message_queue_urgent: task readied -- preempts caller 72
|
||||
13 rtems_message_queue_urgent: task readied -- preempts caller 46
|
||||
|
||||
14 rtems_message_queue_urgent: task readied -- returns to caller 39
|
||||
14 rtems_message_queue_urgent: task readied -- returns to caller 31
|
||||
|
||||
15 rtems_event_receive: obtain current events 1
|
||||
rtems_event_receive: not available -- NO_WAIT 12
|
||||
rtems_event_receive: not available -- caller blocks 56
|
||||
rtems_event_send: no task readied 12
|
||||
rtems_event_receive: available 12
|
||||
rtems_event_send: task readied -- returns to caller 24
|
||||
15 rtems_event_receive: obtain current events 1
|
||||
rtems_event_receive: not available -- NO_WAIT 11
|
||||
rtems_event_receive: not available -- caller blocks 36
|
||||
rtems_event_send: no task readied 12
|
||||
rtems_event_receive: available 19
|
||||
rtems_event_send: task readied -- returns to caller 21
|
||||
|
||||
16 rtems_event_send: task readied -- preempts caller 55
|
||||
16 rtems_event_send: task readied -- preempts caller 38
|
||||
|
||||
17 rtems_task_set_priority: preempts caller 62
|
||||
17 rtems_task_set_priority: preempts caller 51
|
||||
|
||||
18 rtems_task_delete: calling task 83
|
||||
18 rtems_task_delete: calling task 102
|
||||
|
||||
19 rtems_signal_catch 9
|
||||
rtems_signal_send: returns to caller 15
|
||||
rtems_signal_send: signal to self 18
|
||||
exit ASR overhead: returns to calling task 22
|
||||
exit ASR overhead: returns to preempting task 49
|
||||
19 rtems_signal_catch 31
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||||
rtems_signal_send: returns to caller 21
|
||||
rtems_signal_send: signal to self 39
|
||||
exit ASR overhead: returns to calling task 30
|
||||
exit ASR overhead: returns to preempting task 33
|
||||
|
||||
20 rtems_partition_create 35
|
||||
rtems_region_create 23
|
||||
rtems_partition_get_buffer: available 15
|
||||
rtems_partition_get_buffer: not available 13
|
||||
rtems_partition_return_buffer 18
|
||||
rtems_partition_delete 16
|
||||
rtems_region_get_segment: available 22
|
||||
rtems_region_get_segment: not available -- NO_WAIT 21
|
||||
rtems_region_return_segment: no waiting tasks 19
|
||||
rtems_region_get_segment: not available -- caller blocks 64
|
||||
rtems_region_return_segment: task readied -- preempts caller 74
|
||||
rtems_region_return_segment: task readied -- returns to caller 44
|
||||
rtems_region_delete 16
|
||||
rtems_io_initialize 2
|
||||
rtems_io_open 1
|
||||
rtems_io_close 1
|
||||
rtems_io_read 1
|
||||
rtems_io_write 1
|
||||
rtems_io_control 1
|
||||
20 rtems_partition_create 59
|
||||
rtems_region_create 37
|
||||
rtems_partition_get_buffer: available 19
|
||||
rtems_partition_get_buffer: not available 12
|
||||
rtems_partition_return_buffer 21
|
||||
rtems_partition_delete 20
|
||||
rtems_region_get_segment: available 20
|
||||
rtems_region_get_segment: not available -- NO_WAIT 24
|
||||
rtems_region_return_segment: no waiting tasks 21
|
||||
rtems_region_get_segment: not available -- caller blocks 76
|
||||
rtems_region_return_segment: task readied -- preempts caller 82
|
||||
rtems_region_return_segment: task readied -- returns to caller 55
|
||||
rtems_region_delete 20
|
||||
rtems_io_initialize 1
|
||||
rtems_io_open 1
|
||||
rtems_io_close 1
|
||||
rtems_io_read 1
|
||||
rtems_io_write 1
|
||||
rtems_io_control 1
|
||||
|
||||
21 rtems_task_ident 149
|
||||
rtems_message_queue_ident 145
|
||||
rtems_semaphore_ident 156
|
||||
rtems_partition_ident 145
|
||||
rtems_region_ident 148
|
||||
rtems_port_ident 145
|
||||
rtems_timer_ident 145
|
||||
rtems_rate_monotonic_ident 145
|
||||
21 rtems_task_ident 84
|
||||
rtems_message_queue_ident 82
|
||||
rtems_semaphore_ident 94
|
||||
rtems_partition_ident 82
|
||||
rtems_region_ident 84
|
||||
rtems_port_ident 82
|
||||
rtems_timer_ident 82
|
||||
rtems_rate_monotonic_ident 82
|
||||
|
||||
22 rtems_message_queue_broadcast: task readied -- returns to caller 42
|
||||
rtems_message_queue_broadcast: no waiting tasks 17
|
||||
rtems_message_queue_broadcast: task readied -- preempts caller 78
|
||||
22 rtems_message_queue_broadcast: task readied -- returns to caller 81
|
||||
rtems_message_queue_broadcast: no waiting tasks 22
|
||||
rtems_message_queue_broadcast: task readied -- preempts caller 76
|
||||
|
||||
23 rtems_timer_create 14
|
||||
rtems_timer_fire_after: inactive 22
|
||||
rtems_timer_fire_after: active 24
|
||||
rtems_timer_cancel: active 15
|
||||
rtems_timer_cancel: inactive 13
|
||||
rtems_timer_reset: inactive 21
|
||||
rtems_timer_reset: active 23
|
||||
rtems_timer_fire_when: inactive 34
|
||||
rtems_timer_fire_when: active 34
|
||||
rtems_timer_delete: active 19
|
||||
rtems_timer_delete: inactive 17
|
||||
rtems_task_wake_when 69
|
||||
23 rtems_timer_create 11
|
||||
rtems_timer_fire_after: inactive 20
|
||||
rtems_timer_fire_after: active 22
|
||||
rtems_timer_cancel: active 12
|
||||
rtems_timer_cancel: inactive 11
|
||||
rtems_timer_reset: inactive 18
|
||||
rtems_timer_reset: active 21
|
||||
rtems_timer_fire_when: inactive 24
|
||||
rtems_timer_fire_when: active 24
|
||||
rtems_timer_delete: active 16
|
||||
rtems_timer_delete: inactive 14
|
||||
rtems_task_wake_when 49
|
||||
|
||||
24 rtems_task_wake_after: yield -- returns to caller 9
|
||||
rtems_task_wake_after: yields -- preempts caller 45
|
||||
24 rtems_task_wake_after: yield -- returns to caller 8
|
||||
rtems_task_wake_after: yields -- preempts caller 30
|
||||
|
||||
25 rtems_clock_tick 4
|
||||
25 rtems_clock_tick 35
|
||||
|
||||
26 _ISR_Disable 0
|
||||
_ISR_Flash 1
|
||||
_ISR_Enable 1
|
||||
_Thread_Disable_dispatch 0
|
||||
_Thread_Enable_dispatch 7
|
||||
_Thread_Set_state 11
|
||||
_Thread_Disptach (NO FP) 31
|
||||
context switch: no floating point contexts 21
|
||||
context switch: self 10
|
||||
context switch: to another task 10
|
||||
context switch: restore 1st FP task 25
|
||||
fp context switch: save idle, restore idle 31
|
||||
fp context switch: save idle, restore initialized 19
|
||||
fp context switch: save initialized, restore initialized 20
|
||||
_Thread_Resume 7
|
||||
_Thread_Unblock 7
|
||||
_Thread_Ready 9
|
||||
_Thread_Get 4
|
||||
_Semaphore_Get 2
|
||||
_Thread_Get: invalid id 0
|
||||
26 _ISR_Disable 24
|
||||
_ISR_Flash 0
|
||||
_ISR_Enable 1
|
||||
_Thread_Disable_dispatch 1
|
||||
_Thread_Enable_dispatch 7
|
||||
_Thread_Set_state 7
|
||||
_Thread_Disptach (NO FP) 31
|
||||
context switch: no floating point contexts 22
|
||||
context switch: self 9
|
||||
context switch: to another task 10
|
||||
fp context switch: restore 1st FP task 24
|
||||
fp context switch: save idle, restore initialized 10
|
||||
fp context switch: save idle, restore idle 23
|
||||
fp context switch: save initialized, restore initialized 10
|
||||
_Thread_Resume 11
|
||||
_Thread_Unblock 6
|
||||
_Thread_Ready 10
|
||||
_Thread_Get 3
|
||||
_Semaphore_Get 2
|
||||
_Thread_Get: invalid id 0
|
||||
|
||||
27 interrupt entry overhead: returns to interrupted task 6
|
||||
interrupt exit overhead: returns to interrupted task 6
|
||||
interrupt entry overhead: returns to nested interrupt 6
|
||||
interrupt exit overhead: returns to nested interrupt 5
|
||||
interrupt entry overhead: returns to preempting task 7
|
||||
interrupt exit overhead: returns to preempting task 36
|
||||
|
||||
28 rtems_port_create 16
|
||||
rtems_port_external_to_internal 11
|
||||
rtems_port_internal_to_external 11
|
||||
rtems_port_delete 16
|
||||
27 interrupt entry overhead: returns to interrupted task 14
|
||||
interrupt exit overhead: returns to interrupted task 26
|
||||
interrupt entry overhead: returns to nested interrupt 7
|
||||
interrupt exit overhead: returns to nested interrupt 10
|
||||
interrupt entry overhead: returns to preempting task 14
|
||||
interrupt exit overhead: returns to preempting task 45
|
||||
|
||||
29 rtems_rate_monotonic_create 15
|
||||
rtems_rate_monotonic_period: initiate period -- returns to caller 21
|
||||
rtems_rate_monotonic_period: obtain status 13
|
||||
rtems_rate_monotonic_cancel 16
|
||||
rtems_rate_monotonic_delete: inactive 18
|
||||
rtems_rate_monotonic_delete: active 20
|
||||
rtems_rate_monotonic_period: conclude periods -- caller blocks 53
|
||||
28 rtems_port_create 23
|
||||
rtems_port_external_to_internal 10
|
||||
rtems_port_internal_to_external 10
|
||||
rtems_port_delete 21
|
||||
|
||||
29 rtems_rate_monotonic_create 43
|
||||
rtems_rate_monotonic_period: initiate period -- returns to caller 32
|
||||
rtems_rate_monotonic_period: obtain status 17
|
||||
rtems_rate_monotonic_cancel 22
|
||||
rtems_rate_monotonic_delete: inactive 25
|
||||
rtems_rate_monotonic_delete: active 28
|
||||
rtems_rate_monotonic_period: conclude periods -- caller blocks 30
|
||||
|
||||
@@ -4,19 +4,16 @@
|
||||
|
||||
Various non BSP dependant support routines.
|
||||
|
||||
clock - Uses the 403 PIT (Programmable interval timer) to
|
||||
clock - Uses the MPC860 PITPIT (Programmable interval timer) to
|
||||
generate RTEMS clock ticks.
|
||||
|
||||
console - Uses the 403 Internal serial port to do RTEMS
|
||||
console I/O. Not ALL members of the 403 family
|
||||
have this.
|
||||
console_generic - Uses the MPC860 SCCs and SMCs to to serial I/O
|
||||
|
||||
include - Currently empty
|
||||
include - console.h: function declarations for console related functions
|
||||
|
||||
timer - Uses the 403 timebase register for timing
|
||||
tests. Other PowerPCs have slightly different
|
||||
timebase register definitions.
|
||||
timer - Uses the MPC860 timebase register for timing
|
||||
tests. It only uses the lower 32 bits
|
||||
|
||||
vectors - PowerPC 403 specific vector entry points.
|
||||
vectors - MPC860 specific vector entry points.
|
||||
Includes CPU dependant, application independant
|
||||
handlers: alignment.
|
||||
|
||||
@@ -10,16 +10,11 @@ From the comments at the head of vectors.s:
|
||||
The first vector MUST be at address 0x????0100.
|
||||
How this is achieved is dependant on the tool chain.
|
||||
|
||||
However the basic mechanism for ELF assemblers is to create a
|
||||
section called ".vectors", which will be loaded to an address
|
||||
between 0x????0000 and 0x????0100 (inclusive) via a link script.
|
||||
|
||||
The basic mechanism for XCOFF assemblers is to place it in the
|
||||
normal text section, and arrange for this file to be located
|
||||
at an appropriate position on the linker command line.
|
||||
...
|
||||
|
||||
The variable 'PPC_VECTOR_FILE_BASE' must be defined to be the
|
||||
offset from 0x????0000 to the first location in the file. This
|
||||
will usually be 0x0000 or 0x0100.
|
||||
will be either 0x0000 or 0xfff0.
|
||||
|
||||
The eth_comm BSP defines PPC_VECTOR_FILE_BASE to be 0x00000000
|
||||
|
||||
Andrew Bray 18/8/1995
|
||||
|
||||
Reference in New Issue
Block a user