From 35cfbfbd585a44c0b247f1bca355cdf45672094e Mon Sep 17 00:00:00 2001
From: JideshMSFT <105248163+JideshMSFT@users.noreply.github.com>
Date: Fri, 29 Jul 2022 12:48:58 -0700
Subject: [PATCH] Delete cortexm_crt0.s

---
 .../gnu/example_build/cortexm_crt0.s          | 127 ------------------
 1 file changed, 127 deletions(-)
 delete mode 100644 ports_module/cortex_m4/gnu/example_build/cortexm_crt0.s

diff --git a/ports_module/cortex_m4/gnu/example_build/cortexm_crt0.s b/ports_module/cortex_m4/gnu/example_build/cortexm_crt0.s
deleted file mode 100644
index d4cb1636..00000000
--- a/ports_module/cortex_m4/gnu/example_build/cortexm_crt0.s
+++ /dev/null
@@ -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
-  
\ No newline at end of file