V9_PMU302_Bootloader/build/sysmem.lst

ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccL4Tk29.s 			page 1


   1              		.cpu cortex-m4
   2              		.arch armv7e-m
   3              		.fpu fpv4-sp-d16
   4              		.eabi_attribute 27, 1
   5              		.eabi_attribute 28, 1
   6              		.eabi_attribute 20, 1
   7              		.eabi_attribute 21, 1
   8              		.eabi_attribute 23, 3
   9              		.eabi_attribute 24, 1
  10              		.eabi_attribute 25, 1
  11              		.eabi_attribute 26, 1
  12              		.eabi_attribute 30, 2
  13              		.eabi_attribute 34, 1
  14              		.eabi_attribute 18, 4
  15              		.file	"sysmem.c"
  16              		.text
  17              	.Ltext0:
  18              		.cfi_sections	.debug_frame
  19              		.section	.text._sbrk,"ax",%progbits
  20              		.align	1
  21              		.p2align 2,,3
  22              		.global	_sbrk
  23              		.syntax unified
  24              		.thumb
  25              		.thumb_func
  27              	_sbrk:
  28              	.LVL0:
  29              	.LFB0:
  30              		.file 1 "Core/Src/sysmem.c"
   1:Core/Src/sysmem.c **** /**
   2:Core/Src/sysmem.c ****  ******************************************************************************
   3:Core/Src/sysmem.c ****  * @file      sysmem.c
   4:Core/Src/sysmem.c ****  * @author    Generated by STM32CubeMX
   5:Core/Src/sysmem.c ****  * @brief     System Memory calls file
   6:Core/Src/sysmem.c ****  *
   7:Core/Src/sysmem.c ****  *            For more information about which C functions
   8:Core/Src/sysmem.c ****  *            need which of these lowlevel functions
   9:Core/Src/sysmem.c ****  *            please consult the Newlib or Picolibc libc manual
  10:Core/Src/sysmem.c ****  ******************************************************************************
  11:Core/Src/sysmem.c ****  * @attention
  12:Core/Src/sysmem.c ****  *
  13:Core/Src/sysmem.c ****  * Copyright (c) 2025 STMicroelectronics.
  14:Core/Src/sysmem.c ****  * All rights reserved.
  15:Core/Src/sysmem.c ****  *
  16:Core/Src/sysmem.c ****  * This software is licensed under terms that can be found in the LICENSE file
  17:Core/Src/sysmem.c ****  * in the root directory of this software component.
  18:Core/Src/sysmem.c ****  * If no LICENSE file comes with this software, it is provided AS-IS.
  19:Core/Src/sysmem.c ****  *
  20:Core/Src/sysmem.c ****  ******************************************************************************
  21:Core/Src/sysmem.c ****  */
  22:Core/Src/sysmem.c **** 
  23:Core/Src/sysmem.c **** /* Includes */
  24:Core/Src/sysmem.c **** #include <errno.h>
  25:Core/Src/sysmem.c **** #include <stdint.h>
  26:Core/Src/sysmem.c **** #include <stddef.h>
  27:Core/Src/sysmem.c **** 
  28:Core/Src/sysmem.c **** /**
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccL4Tk29.s 			page 2


  29:Core/Src/sysmem.c ****  * Pointer to the current high watermark of the heap usage
  30:Core/Src/sysmem.c ****  */
  31:Core/Src/sysmem.c **** static uint8_t *__sbrk_heap_end = NULL;
  32:Core/Src/sysmem.c **** 
  33:Core/Src/sysmem.c **** /**
  34:Core/Src/sysmem.c ****  * @brief _sbrk() allocates memory to the newlib heap and is used by malloc
  35:Core/Src/sysmem.c ****  *        and others from the C library
  36:Core/Src/sysmem.c ****  *
  37:Core/Src/sysmem.c ****  * @verbatim
  38:Core/Src/sysmem.c ****  * ############################################################################
  39:Core/Src/sysmem.c ****  * #  .data  #  .bss  #       newlib heap       #          MSP stack          #
  40:Core/Src/sysmem.c ****  * #         #        #                         # Reserved by _Min_Stack_Size #
  41:Core/Src/sysmem.c ****  * ############################################################################
  42:Core/Src/sysmem.c ****  * ^-- RAM start      ^-- _end                             _estack, RAM end --^
  43:Core/Src/sysmem.c ****  * @endverbatim
  44:Core/Src/sysmem.c ****  *
  45:Core/Src/sysmem.c ****  * This implementation starts allocating at the '_end' linker symbol
  46:Core/Src/sysmem.c ****  * The '_Min_Stack_Size' linker symbol reserves a memory for the MSP stack
  47:Core/Src/sysmem.c ****  * The implementation considers '_estack' linker symbol to be RAM end
  48:Core/Src/sysmem.c ****  * NOTE: If the MSP stack, at any point during execution, grows larger than the
  49:Core/Src/sysmem.c ****  * reserved size, please increase the '_Min_Stack_Size'.
  50:Core/Src/sysmem.c ****  *
  51:Core/Src/sysmem.c ****  * @param incr Memory size
  52:Core/Src/sysmem.c ****  * @return Pointer to allocated memory
  53:Core/Src/sysmem.c ****  */
  54:Core/Src/sysmem.c **** void *_sbrk(ptrdiff_t incr)
  55:Core/Src/sysmem.c **** {
  31              		.loc 1 55 1 view -0
  32              		.cfi_startproc
  33              		@ args = 0, pretend = 0, frame = 0
  34              		@ frame_needed = 0, uses_anonymous_args = 0
  56:Core/Src/sysmem.c ****   extern uint8_t _end; /* Symbol defined in the linker script */
  35              		.loc 1 56 3 view .LVU1
  57:Core/Src/sysmem.c ****   extern uint8_t _estack; /* Symbol defined in the linker script */
  36              		.loc 1 57 3 view .LVU2
  58:Core/Src/sysmem.c ****   extern uint32_t _Min_Stack_Size; /* Symbol defined in the linker script */
  37              		.loc 1 58 3 view .LVU3
  59:Core/Src/sysmem.c ****   const uint32_t stack_limit = (uint32_t)&_estack - (uint32_t)&_Min_Stack_Size;
  38              		.loc 1 59 3 view .LVU4
  60:Core/Src/sysmem.c ****   const uint8_t *max_heap = (uint8_t *)stack_limit;
  39              		.loc 1 60 3 view .LVU5
  55:Core/Src/sysmem.c ****   extern uint8_t _end; /* Symbol defined in the linker script */
  40              		.loc 1 55 1 is_stmt 0 view .LVU6
  41 0000 10B5     		push	{r4, lr}
  42              	.LCFI0:
  43              		.cfi_def_cfa_offset 8
  44              		.cfi_offset 4, -8
  45              		.cfi_offset 14, -4
  61:Core/Src/sysmem.c ****   uint8_t *prev_heap_end;
  62:Core/Src/sysmem.c **** 
  63:Core/Src/sysmem.c ****   /* Initialize heap end at first call */
  64:Core/Src/sysmem.c ****   if (NULL == __sbrk_heap_end)
  46              		.loc 1 64 12 view .LVU7
  47 0002 0C4C     		ldr	r4, .L9
  59:Core/Src/sysmem.c ****   const uint8_t *max_heap = (uint8_t *)stack_limit;
  48              		.loc 1 59 18 view .LVU8
  49 0004 0C4B     		ldr	r3, .L9+4
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccL4Tk29.s 			page 3


  50 0006 0D49     		ldr	r1, .L9+8
  51              		.loc 1 64 12 view .LVU9
  52 0008 2268     		ldr	r2, [r4]
  59:Core/Src/sysmem.c ****   const uint8_t *max_heap = (uint8_t *)stack_limit;
  53              		.loc 1 59 18 view .LVU10
  54 000a 591A     		subs	r1, r3, r1
  55              	.LVL1:
  61:Core/Src/sysmem.c ****   uint8_t *prev_heap_end;
  56              		.loc 1 61 3 is_stmt 1 view .LVU11
  57              		.loc 1 64 3 view .LVU12
  58              		.loc 1 64 6 is_stmt 0 view .LVU13
  59 000c 2AB1     		cbz	r2, .L7
  65:Core/Src/sysmem.c ****   {
  66:Core/Src/sysmem.c ****     __sbrk_heap_end = &_end;
  67:Core/Src/sysmem.c ****   }
  68:Core/Src/sysmem.c **** 
  69:Core/Src/sysmem.c ****   /* Protect heap from growing into the reserved MSP stack */
  70:Core/Src/sysmem.c ****   if (__sbrk_heap_end + incr > max_heap)
  60              		.loc 1 70 3 is_stmt 1 view .LVU14
  61              		.loc 1 70 23 is_stmt 0 view .LVU15
  62 000e 1044     		add	r0, r0, r2
  63              	.LVL2:
  64              		.loc 1 70 6 view .LVU16
  65 0010 8842     		cmp	r0, r1
  66 0012 07D8     		bhi	.L8
  67              	.L3:
  71:Core/Src/sysmem.c ****   {
  72:Core/Src/sysmem.c ****     errno = ENOMEM;
  73:Core/Src/sysmem.c ****     return (void *)-1;
  74:Core/Src/sysmem.c ****   }
  75:Core/Src/sysmem.c **** 
  76:Core/Src/sysmem.c ****   prev_heap_end = __sbrk_heap_end;
  68              		.loc 1 76 3 is_stmt 1 view .LVU17
  69              	.LVL3:
  77:Core/Src/sysmem.c ****   __sbrk_heap_end += incr;
  70              		.loc 1 77 3 view .LVU18
  71              		.loc 1 77 19 is_stmt 0 view .LVU19
  72 0014 2060     		str	r0, [r4]
  73              	.LVL4:
  78:Core/Src/sysmem.c **** 
  79:Core/Src/sysmem.c ****   return (void *)prev_heap_end;
  74              		.loc 1 79 3 is_stmt 1 view .LVU20
  80:Core/Src/sysmem.c **** }
  75              		.loc 1 80 1 is_stmt 0 view .LVU21
  76 0016 1046     		mov	r0, r2
  77 0018 10BD     		pop	{r4, pc}
  78              	.LVL5:
  79              	.L7:
  66:Core/Src/sysmem.c ****   }
  80              		.loc 1 66 5 is_stmt 1 view .LVU22
  66:Core/Src/sysmem.c ****   }
  81              		.loc 1 66 21 is_stmt 0 view .LVU23
  82 001a 094A     		ldr	r2, .L9+12
  83 001c 2260     		str	r2, [r4]
  70:Core/Src/sysmem.c ****   {
  84              		.loc 1 70 3 is_stmt 1 view .LVU24
  70:Core/Src/sysmem.c ****   {
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccL4Tk29.s 			page 4


  85              		.loc 1 70 23 is_stmt 0 view .LVU25
  86 001e 1044     		add	r0, r0, r2
  87              	.LVL6:
  70:Core/Src/sysmem.c ****   {
  88              		.loc 1 70 6 view .LVU26
  89 0020 8842     		cmp	r0, r1
  90 0022 F7D9     		bls	.L3
  91              	.L8:
  72:Core/Src/sysmem.c ****     return (void *)-1;
  92              		.loc 1 72 5 is_stmt 1 view .LVU27
  93 0024 FFF7FEFF 		bl	__errno
  94              	.LVL7:
  72:Core/Src/sysmem.c ****     return (void *)-1;
  95              		.loc 1 72 11 is_stmt 0 view .LVU28
  96 0028 0C23     		movs	r3, #12
  73:Core/Src/sysmem.c ****   }
  97              		.loc 1 73 12 view .LVU29
  98 002a 4FF0FF32 		mov	r2, #-1
  72:Core/Src/sysmem.c ****     return (void *)-1;
  99              		.loc 1 72 11 view .LVU30
 100 002e 0360     		str	r3, [r0]
  73:Core/Src/sysmem.c ****   }
 101              		.loc 1 73 5 is_stmt 1 view .LVU31
 102              		.loc 1 80 1 is_stmt 0 view .LVU32
 103 0030 1046     		mov	r0, r2
 104 0032 10BD     		pop	{r4, pc}
 105              	.L10:
 106              		.align	2
 107              	.L9:
 108 0034 00000000 		.word	.LANCHOR0
 109 0038 00000000 		.word	_estack
 110 003c 00000000 		.word	_Min_Stack_Size
 111 0040 00000000 		.word	_end
 112              		.cfi_endproc
 113              	.LFE0:
 115              		.section	.bss.__sbrk_heap_end,"aw",%nobits
 116              		.align	2
 117              		.set	.LANCHOR0,. + 0
 120              	__sbrk_heap_end:
 121 0000 00000000 		.space	4
 122              		.text
 123              	.Letext0:
 124              		.file 2 "d:\\arm-gcc\\lib\\gcc\\arm-none-eabi\\10.3.1\\include\\stddef.h"
 125              		.file 3 "d:\\arm-gcc\\arm-none-eabi\\include\\machine\\_default_types.h"
 126              		.file 4 "d:\\arm-gcc\\arm-none-eabi\\include\\sys\\_stdint.h"
 127              		.file 5 "d:\\arm-gcc\\arm-none-eabi\\include\\sys\\errno.h"
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccL4Tk29.s 			page 5


DEFINED SYMBOLS
                            *ABS*:00000000 sysmem.c
C:\Users\zl835\AppData\Local\Temp\ccL4Tk29.s:20     .text._sbrk:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccL4Tk29.s:27     .text._sbrk:00000000 _sbrk
C:\Users\zl835\AppData\Local\Temp\ccL4Tk29.s:108    .text._sbrk:00000034 $d
C:\Users\zl835\AppData\Local\Temp\ccL4Tk29.s:116    .bss.__sbrk_heap_end:00000000 $d
C:\Users\zl835\AppData\Local\Temp\ccL4Tk29.s:120    .bss.__sbrk_heap_end:00000000 __sbrk_heap_end

UNDEFINED SYMBOLS
__errno
_estack
_Min_Stack_Size
_end