战争：找不到输入符号reset_handler;默认为0000000008000000 我正在尝试使用我自己的CMAKE文件构建STM32应用程序。我已经能够编译并将静态库与项目链接并构建可执行文件。我正在使用此.LD文件： /*条目...

Question

i定义了一些变量，例如此文件中的reset_handler入口点：

  .syntax unified
  .cpu cortex-m7
  .fpu softvfp
  .thumb

.global  g_pfnVectors
.global  Default_Handler

/* start address for the initialization values of the .data section.
defined in linker script */
.word  _sidata
/* start address for the .data section. defined in linker script */
.word  _sdata
/* end address for the .data section. defined in linker script */
.word  _edata
/* start address for the .bss section. defined in linker script */
.word  _sbss
/* end address for the .bss section. defined in linker script */
.word  _ebss
/* stack used for SystemInit_ExtMemCtl; always internal RAM used */

    .section  .text.Reset_Handler
  .weak  Reset_Handler
  .type  Reset_Handler, %function
Reset_Handler:
  ldr   sp, =_estack      /* set stack pointer */

/* Call the clock system initialization function.*/
  bl  SystemInit

/* Copy the data segment initializers from flash to SRAM */
  ldr r0, =_sdata
  ldr r1, =_edata
  ldr r2, =_sidata
  movs r3, #0
  b LoopCopyDataInit

CopyDataInit:
  ldr r4, [r2, r3]
  str r4, [r0, r3]
  adds r3, r3, #4

LoopCopyDataInit:
  adds r4, r0, r3
  cmp r4, r1
  bcc CopyDataInit
/* Zero fill the bss segment. */
  ldr r2, =_sbss
  ldr r4, =_ebss
  movs r3, #0
  b LoopFillZerobss

FillZerobss:
  str  r3, [r2]
  adds r2, r2, #4

LoopFillZerobss:
  cmp r2, r4
  bcc FillZerobss

/* Call static constructors */
    bl __libc_init_array
/* Call the application's entry point.*/
  bl  main
  bx  lr
.size  Reset_Handler, .-Reset_Handler

... some code

I使用此CMAKE文件构建可执行项目，其中我将.ld文件链接到链接选项中，将.s文件作为源文件。这种方法正确吗？

...

add_subdirectory(${STLIB_DIR} ${STLIB_DIR}/build)
add_executable(${EXECUTABLE} 
  ${CMAKE_SOURCE_DIR}/Core/Src/main.cpp 
  ${CMAKE_SOURCE_DIR}/Core/Src/syscalls.c 
  ${CMAKE_SOURCE_DIR}/Core/Src/stm32h7xx_hal_msp.c
  ${CMAKE_SOURCE_DIR}/Core/Src/stm32h7xx_it.c
  ${CMAKE_SOURCE_DIR}/Core/Src/sysmem.c
  ${CMAKE_SOURCE_DIR}/Core/Src/system_stm32h7xx.c
  ${CMAKE_SOURCE_DIR}/Core/Startup/startup_stm32h723zgtx.s
  )
target_link_libraries(${EXECUTABLE} ${STLIB_DIR}/build/libst-lib.a)

...

target_link_options(${EXECUTABLE} PUBLIC 
        -T${CMAKE_SOURCE_DIR}/STM32H723ZGTX_FLASH.ld
        -mcpu=cortex-m7
        -mthumb
        -mfpu=fpv5-d16
        -mfloat-abi=hard
        -specs=nosys.specs
        -lc
        -lm
        -lnosys
        -Wl,-Map=${PROJECT_NAME}.map,--cref
        -Wl,--gc-sections
        )

没有看到整个

CMakeLists.txt

的情况很难说，但是您可能没有适当配置您的项目的ASM支持。

enable_language(C ASM)

Answer 1

您还希望确保您在调用CMAKE时通过

.cmake

传递适当的工具链文件。对于我的项目，我使用了由STM32Cubeide生成的工具链文件进行“模板” CMAKE项目：

CMAKE_TOOLCHAIN_FILE