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Merge pull request #206 from azure-rtos/JideshMSFT-fix-cortex_m4-example_build

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Delete cortexm_crt0.s and tx_simulator_startup.s which were removed from the latest release
This commit is contained in:
Scott Larson
2022-07-29 13:00:47 -07:00
committed by GitHub
parent 8c3c08f108 b6fb0b8e09
commit b871c33620
2 changed files with 0 additions and 200 deletions
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127
ports_module/cortex_m4/gnu/example_build/cortexm_crt0.s
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@@ -1,127 +0,0 @@
.global _start
.extern main
.section .init, "ax"
.code 16
.align 2
.thumb_func
_start:
CPSID i
ldr r1, =__stack_end__
mov sp, r1
/* Copy initialised sections into RAM if required. */
ldr r0, =__data_load_start__
ldr r1, =__data_start__
ldr r2, =__data_end__
bl crt0_memory_copy
ldr r0, =__text_load_start__
ldr r1, =__text_start__
ldr r2, =__text_end__
bl crt0_memory_copy
ldr r0, =__fast_load_start__
ldr r1, =__fast_start__
ldr r2, =__fast_end__
bl crt0_memory_copy
ldr r0, =__ctors_load_start__
ldr r1, =__ctors_start__
ldr r2, =__ctors_end__
bl crt0_memory_copy
ldr r0, =__dtors_load_start__
ldr r1, =__dtors_start__
ldr r2, =__dtors_end__
bl crt0_memory_copy
ldr r0, =__rodata_load_start__
ldr r1, =__rodata_start__
ldr r2, =__rodata_end__
bl crt0_memory_copy
/* Zero bss. */
ldr r0, =__bss_start__
ldr r1, =__bss_end__
mov r2, #0
bl crt0_memory_set
/* Setup heap - not recommended for Threadx but here for compatibility reasons */
ldr r0, = __heap_start__
ldr r1, = __heap_end__
sub r1, r1, r0
mov r2, #0
str r2, [r0]
add r0, r0, #4
str r1, [r0]
/* constructors in case of using C++ */
ldr r0, =__ctors_start__
ldr r1, =__ctors_end__
crt0_ctor_loop:
cmp r0, r1
beq crt0_ctor_end
ldr r2, [r0]
add r0, #4
push {r0-r1}
blx r2
pop {r0-r1}
b crt0_ctor_loop
crt0_ctor_end:
/* Setup call frame for main() */
mov r0, #0
mov lr, r0
mov r12, sp
start:
/* Jump to main() */
mov r0, #0
mov r1, #0
ldr r2, =main
blx r2
/* when main returns, loop forever. */
crt0_exit_loop:
b crt0_exit_loop
/* Startup helper functions. */
crt0_memory_copy:
cmp r0, r1
beq memory_copy_done
sub r2, r2, r1
beq memory_copy_done
memory_copy_loop:
ldrb r3, [r0]
add r0, r0, #1
strb r3, [r1]
add r1, r1, #1
sub r2, r2, #1
bne memory_copy_loop
memory_copy_done:
bx lr
crt0_memory_set:
cmp r0, r1
beq memory_set_done
strb r2, [r0]
add r0, r0, #1
b crt0_memory_set
memory_set_done:
bx lr
/* Setup attibutes of stack and heap sections so they don't take up room in the elf file */
.section .stack, "wa", %nobits
.section .stack_process, "wa", %nobits
.section .heap, "wa", %nobits

73
ports_module/cortex_m4/gnu/example_build/tx_simulator_startup.s
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@@ -1,73 +0,0 @@
.syntax unified
.section .vectors, "ax"
.code 16
.align 0
.global _vectors
_vectors:
.word __stack_end__
.word reset_handler
.word __tx_NMIHandler
.word __tx_HardfaultHandler
.word MemManage_Handler
.word BusFault_Handler
.word UsageFault_Handler
.word 0 // Reserved
.word 0 // Reserved
.word 0 // Reserved
.word 0 // Reserved
.word __tx_SVCallHandler //_SVC_Handler - used by Threadx scheduler //
.word __tx_DBGHandler
.word 0 // Reserved
.word __tx_PendSVHandler
.word __tx_SysTickHandler // Used by Threadx timer functionality
.word __tx_BadHandler // Populate with user Interrupt handler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.word __tx_BadHandler
.section .init, "ax"
.global reset_handler
.thumb_func
reset_handler:
// low level hardware config, such as PLL setup goes here
b _start