【问题标题】:From makefile to Cmake - stm32从 makefile 到 Cmake - stm32
【发布时间】:2019-12-12 09:36:25
【问题描述】:

我想为我的 stm32 项目测试 CLion,因为它现在支持远程调试!为此,我需要为我的项目设置 Cmake,这是我的问题。

我尝试使用this link,它似乎已经贬值,所以我做了一些更改。它几乎可以构建,但 .elf .bin .hex 存在问题。

CMakeLists.txt:

project(F466cmake)
cmake_minimum_required(VERSION 3.10)

add_definitions(-DSTM32F446xx)

file(GLOB_RECURSE USER_SOURCES "Src/*.c")
file(GLOB_RECURSE HAL_SOURCES "Drivers/STM32F4xx_HAL_Driver/Src/*.c")

add_library(CMSIS
        Drivers/CMSIS/Device/Src/system_stm32f4xx.c
        Drivers/CMSIS/Device/Src/startup_stm32f446xx.s)

include_directories(Inc)
include_directories(Drivers/STM32F4xx_HAL_Driver/Inc)
include_directories(Drivers/CMSIS/Inc)
include_directories(Drivers/CMSIS/Device/Inc)

set(CMAKE_C_COMPILER arm-none-eabi-gcc)
set(CMAKE_CXX_COMPILER arm-none-eabi-g++)
set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_VERSION 1)

set(LINKER_SCRIPT ${CMAKE_SOURCE_DIR}/STM32F446RETx_FLASH.ld)
set(COMMON_FLAGS "-mcpu=cortex-m4 -mthumb -mthumb-interwork -mfloat-abi=hard -mfpu=fpv4-sp-d16 -ffunction-sections -fdata-sections -g -fno-common -fmessage-length=0")
set(CMAKE_CXX_FLAGS "${COMMON_FLAGS} -std=c++11")
set(CMAKE_C_FLAGS "${COMMON_FLAGS} -std=gnu99")
set(CMAKE_EXE_LINKER_FLAGS "-Wl,-gc-sections -T ${LINKER_SCRIPT}")

add_executable(${PROJECT_NAME}.elf ${USER_SOURCES} ${HAL_SOURCES} ${LINKER_SCRIPT})

target_link_libraries(${PROJECT_NAME}.elf CMSIS)

set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-Map=${PROJECT_SOURCE_DIR}/build/${PROJECT_NAME}.map")
set(HEX_FILE ${PROJECT_SOURCE_DIR}/build/${PROJECT_NAME}.hex)
set(BIN_FILE ${PROJECT_SOURCE_DIR}/build/${PROJECT_NAME}.bin)

add_custom_command(TARGET ${PROJECT_NAME}.elf POST_BUILD
        COMMAND ${CMAKE_OBJCOPY} -Oihex $<TARGET_FILE:${PROJECT_NAME}.elf> ${HEX_FILE}
        COMMAND ${CMAKE_OBJCOPY} -Obinary $<TARGET_FILE:${PROJECT_NAME}.elf> ${BIN_FILE}
        COMMENT "Building ${HEX_FILE} \nBuilding ${BIN_FILE}")

终端输出:

[ 95%] Building C object CMakeFiles/F466cmake.elf.dir/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c.o
[100%] Linking C executable F466cmake.elf
/home/flo/bin/gcc-arm-none-eabi-7-2018-q2-update/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/bin/ld: warning: cannot find entry symbol Reset_Handler; defaulting to 0000000008000000
Building /home/flo/STM32Cube/Testing/build/F466cmake.hex 
Building /home/flo/STM32Cube/Testing/build/F466cmake.bin
/usr/bin/objcopy: Unable to recognise the format of the input file `/home/flo/STM32Cube/Testing/build/F466cmake.elf'
CMakeFiles/F466cmake.elf.dir/build.make:563: recipe for target 'F466cmake.elf' failed
make[2]: *** [F466cmake.elf] Error 1
make[2]: *** Deleting file 'F466cmake.elf'
CMakeFiles/Makefile2:104: recipe for target 'CMakeFiles/F466cmake.elf.dir/all' failed
make[1]: *** [CMakeFiles/F466cmake.elf.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2

【问题讨论】:

  • 您使用的是主机的 objcopy 而不是交叉版本。 .hex 真的被写了吗?您似乎从未像使用其他工具那样配置 objcopy 的交叉版本。另请注意,如有关缺少重置处理程序的警告所示,您的项目的一部分丢失了,猜测不会起作用,因为闪存必须以向量块而不是代码开头。
  • @ChrisStratton 是的 .hex 和 .map 在我的构建文件夹中。所以我想我有 2 个问题,定义重置处理程序地址并调查 objectcopy
  • 重置处理程序可能已定义,问题是提供它的文件未包含在您的构建中,或者至少相应的对象未包含在提供给链接器的对象中。您要使用的 objcopy 是您正在使用的编译器和链接器旁边的那个,您只需要弄清楚如何将其指定给 cmake。您也可以尝试手动运行它,看看是否得到不同的结果。
  • @ChrisStratton 我在我的 STM32F446RETx_FLASH.ld 文件中找到了 /* 入口点 */ ENTRY(Reset_Handler)。我记得将同一文件夹中的文件移动到其他地方。也许我应该把这个文件移到同一个文件夹中。
  • ENTRY() 在裸机系统中被有效忽略。它的值存在于.elf.hex 文件中,但不会写入闪存。有效入口点位于启动文件定义的向量表中闪存映像的偏移量 4(在 Cortex-M 上)。

标签: cmake stm32


【解决方案1】:

得到它的工作,感谢克里斯的指导。问题是 ASM 没有构建,我必须链接 arm 对象副本。

CMakeLists.txt:

project(F466cmake C ASM)
cmake_minimum_required(VERSION 3.10)

add_definitions(-DSTM32F446xx)

file(GLOB_RECURSE USER_SOURCES "Src/*.c")
file(GLOB_RECURSE HAL_SOURCES "Drivers/STM32F4xx_HAL_Driver/Src/*.c")

add_library(CMSIS
        Drivers/CMSIS/Device/Src/system_stm32f4xx.c)
add_library(STARTUP
    Drivers/CMSIS/Device/Src/startup_stm32f446xx.s)

set_source_files_properties(Drivers/CMSIS/Device/Src/startup_stm32f446xx.s PROPERTIES COMPILE_FLAGS "-x assembler-with-cpp")
set_property(SOURCE Drivers/CMSIS/Device/Src/startup_stm32f446xx.s PROPERTY LANGUAGE C)

include_directories(Inc)
include_directories(Drivers/STM32F4xx_HAL_Driver/Inc)
include_directories(Drivers/CMSIS/Inc)
include_directories(Drivers/CMSIS/Device/Inc)

set(CMAKE_C_COMPILER arm-none-eabi-gcc)
set(CMAKE_CXX_COMPILER arm-none-eabi-g++)
set(OBJCOPY arm-none-eabi-objcopy)
set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_VERSION 1)

set(LINKER_SCRIPT ${CMAKE_SOURCE_DIR}/STM32F446RETx_FLASH.ld)
set(COMMON_FLAGS "-mcpu=cortex-m4 -mthumb -mthumb-interwork -mfloat-abi=hard -mfpu=fpv4-sp-d16 -ffunction-sections -fdata-sections -g -fno-common -fmessage-length=0")
set(CMAKE_CXX_FLAGS "${COMMON_FLAGS} -std=c++11")
set(CMAKE_C_FLAGS "${COMMON_FLAGS} -std=gnu99")
set(CMAKE_EXE_LINKER_FLAGS "-Wl,-gc-sections -T ${LINKER_SCRIPT}")

add_executable(${PROJECT_NAME}.elf ${USER_SOURCES} ${HAL_SOURCES} ${LINKER_SCRIPT})

target_link_libraries(${PROJECT_NAME}.elf CMSIS STARTUP)

set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-Map=${PROJECT_SOURCE_DIR}/build/${PROJECT_NAME}.map")
set(HEX_FILE ${PROJECT_SOURCE_DIR}/build/${PROJECT_NAME}.hex)
set(BIN_FILE ${PROJECT_SOURCE_DIR}/build/${PROJECT_NAME}.bin)

add_custom_command(TARGET ${PROJECT_NAME}.elf POST_BUILD
        COMMAND ${OBJCOPY} -Oihex $<TARGET_FILE:${PROJECT_NAME}.elf> ${HEX_FILE}
        COMMAND ${OBJCOPY} -Obinary $<TARGET_FILE:${PROJECT_NAME}.elf> ${BIN_FILE}
        COMMENT "Building ${HEX_FILE} \nBuilding ${BIN_FILE}")

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