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stm32.cmake
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include(stm32-bootloader)
include(stm32f3)
include(stm32f4)
include(stm32f7)
include(stm32h7)
include(CMakeParseArguments)
option(DEBUG_HARDFAULTS "Enable debugging of hard faults via custom handler")
option(SEMIHOSTING "Enable semihosting")
message("-- DEBUG_HARDFAULTS: ${DEBUG_HARDFAULTS}, SEMIHOSTING: ${SEMIHOSTING}")
set(CMSIS_DIR "${MAIN_LIB_DIR}/main/CMSIS")
set(CMSIS_INCLUDE_DIR "${CMSIS_DIR}/Core/Include")
set(CMSIS_DSP_DIR "${MAIN_LIB_DIR}/main/CMSIS/DSP")
set(CMSIS_DSP_INCLUDE_DIR "${CMSIS_DSP_DIR}/Include")
set(CMSIS_DSP_SRC
BasicMathFunctions/arm_mult_f32.c
TransformFunctions/arm_rfft_fast_f32.c
TransformFunctions/arm_cfft_f32.c
TransformFunctions/arm_rfft_fast_init_f32.c
TransformFunctions/arm_cfft_radix8_f32.c
TransformFunctions/arm_bitreversal2.S
CommonTables/arm_common_tables.c
ComplexMathFunctions/arm_cmplx_mag_f32.c
StatisticsFunctions/arm_max_f32.c
)
list(TRANSFORM CMSIS_DSP_SRC PREPEND "${CMSIS_DSP_DIR}/Source/")
set(STM32_STARTUP_DIR "${MAIN_SRC_DIR}/startup")
main_sources(STM32_VCP_SRC
drivers/serial_usb_vcp.c
drivers/usb_io.c
)
main_sources(STM32_SDCARD_SRC
drivers/sdcard/sdcard.c
drivers/sdcard/sdcard_spi.c
drivers/sdcard/sdcard_sdio.c
drivers/sdcard/sdcard_standard.c
)
# XXX: This code is not STM32 specific
main_sources(STM32_ASYNCFATFS_SRC
io/asyncfatfs/asyncfatfs.c
io/asyncfatfs/fat_standard.c
)
main_sources(STM32_MSC_SRC
msc/usbd_storage.c
)
main_sources(STM32_MSC_FLASH_SRC
msc/usbd_storage_emfat.c
msc/emfat.c
msc/emfat_file.c
)
main_sources(STM32_MSC_SDCARD_SRC
msc/usbd_storage_sd_spi.c
)
set(STM32_INCLUDE_DIRS
"${CMSIS_INCLUDE_DIR}"
"${CMSIS_DSP_INCLUDE_DIR}"
"${MAIN_SRC_DIR}/target"
)
set(STM32_DEFINITIONS
)
set(STM32_DEFAULT_HSE_MHZ 8)
set(STM32_LINKER_DIR "${MAIN_SRC_DIR}/target/link")
set(STM32_COMPILE_OPTIONS
-ffunction-sections
-fdata-sections
-fno-common
)
set(STM32_LINK_LIBRARIES
-lm
-lc
)
if(SEMIHOSTING)
list(APPEND STM32_LINK_LIBRARIES --specs=rdimon.specs -lrdimon)
list(APPEND STM32_DEFINITIONS SEMIHOSTING)
else()
list(APPEND STM32_LINK_LIBRARIES -lnosys)
endif()
set(STM32_LINK_OPTIONS
-nostartfiles
--specs=nano.specs
-static
-Wl,-gc-sections
-Wl,-L${STM32_LINKER_DIR}
-Wl,--cref
-Wl,--no-wchar-size-warning
-Wl,--print-memory-usage
)
macro(get_stm32_target_features output_var dir target_name)
execute_process(COMMAND "${CMAKE_C_COMPILER}" -E -dD -D${ARGV2} "${ARGV1}/target.h"
ERROR_VARIABLE _errors
RESULT_VARIABLE _result
OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE _contents)
if(NOT _result EQUAL 0)
message(FATAL_ERROR "error extracting features for stm32 target ${ARGV2}: ${_errors}")
endif()
string(REGEX MATCH "#define[\t ]+USE_VCP" HAS_VCP ${_contents})
if(HAS_VCP)
list(APPEND ${ARGV0} VCP)
endif()
string(REGEX MATCH "define[\t ]+USE_FLASHFS" HAS_FLASHFS ${_contents})
if(HAS_FLASHFS)
list(APPEND ${ARGV0} FLASHFS)
endif()
string(REGEX MATCH "define[\t ]+USE_SDCARD" HAS_SDCARD ${_contents})
if (HAS_SDCARD)
list(APPEND ${ARGV0} SDCARD)
string(REGEX MATCH "define[\t ]+USE_SDCARD_SDIO" HAS_SDIO ${_contents})
if (HAS_SDIO)
list(APPEND ${ARGV0} SDIO)
endif()
endif()
if(HAS_FLASHFS OR HAS_SDCARD)
list(APPEND ${ARGV0} MSC)
endif()
endmacro()
function(get_stm32_flash_size out size)
# 4: 16, 6: 32, 8: 64, B: 128, C: 256, D: 384, E: 512, F: 768, G: 1024, H: 1536, I: 2048 KiB
string(TOUPPER ${size} s)
if(${s} STREQUAL "4")
set(${out} 16 PARENT_SCOPE)
return()
endif()
if(${s} STREQUAL "6")
set(${out} 32 PARENT_SCOPE)
return()
endif()
if(${s} STREQUAL "8")
set(${out} 64 PARENT_SCOPE)
return()
endif()
if(${s} STREQUAL "8")
set(${out} 64 PARENT_SCOPE)
return()
endif()
if(${s} STREQUAL "B")
set(${out} 128 PARENT_SCOPE)
return()
endif()
if(${s} STREQUAL "C")
set(${out} 256 PARENT_SCOPE)
return()
endif()
if(${s} STREQUAL "D")
set(${out} 384 PARENT_SCOPE)
return()
endif()
if(${s} STREQUAL "E")
set(${out} 512 PARENT_SCOPE)
return()
endif()
if(${s} STREQUAL "F")
set(${out} 768 PARENT_SCOPE)
return()
endif()
if(${s} STREQUAL "G")
set(${out} 1024 PARENT_SCOPE)
return()
endif()
if(${s} STREQUAL "H")
set(${out} 1536 PARENT_SCOPE)
return()
endif()
if(${s} STREQUAL "I")
set(${out} 2048 PARENT_SCOPE)
return()
endif()
endfunction()
function(add_hex_target name exe hex)
add_custom_target(${name} ALL
cmake -E env PATH="$ENV{PATH}"
# TODO: Overriding the start address with --set-start 0x08000000
# seems to be required due to some incorrect assumptions about .hex
# files in the configurator. Verify wether that's the case and fix
# the bug in configurator or delete this comment.
${CMAKE_OBJCOPY} -Oihex --set-start 0x08000000 $<TARGET_FILE:${exe}> ${hex}
BYPRODUCTS ${hex}
)
endfunction()
function(add_bin_target name exe bin)
add_custom_target(${name}
cmake -E env PATH="$ENV{PATH}"
${CMAKE_OBJCOPY} -Obinary $<TARGET_FILE:${exe}> ${bin}
BYPRODUCTS ${bin}
)
endfunction()
function(generate_map_file target)
if(CMAKE_VERSION VERSION_LESS 3.15)
set(map "$<TARGET_FILE:${target}>.map")
else()
set(map "$<TARGET_FILE_DIR:${target}>/$<TARGET_FILE_BASE_NAME:${target}>.map")
endif()
target_link_options(${target} PRIVATE "-Wl,-Map,${map}")
endfunction()
function(set_linker_script target script)
set(script_path ${STM32_LINKER_DIR}/${args_LINKER_SCRIPT}.ld)
if(NOT EXISTS ${script_path})
message(FATAL_ERROR "linker script ${script_path} doesn't exist")
endif()
set_target_properties(${target} PROPERTIES LINK_DEPENDS ${script_path})
target_link_options(${elf_target} PRIVATE -T${script_path})
endfunction()
function(add_stm32_executable)
cmake_parse_arguments(
args
# Boolean arguments
""
# Single value arguments
"FILENAME;NAME;OPTIMIZATION;OUTPUT_BIN_FILENAME;OUTPUT_HEX_FILENAME;OUTPUT_TARGET_NAME"
# Multi-value arguments
"COMPILE_DEFINITIONS;COMPILE_OPTIONS;INCLUDE_DIRECTORIES;LINK_OPTIONS;LINKER_SCRIPT;SOURCES"
# Start parsing after the known arguments
${ARGN}
)
set(elf_target ${args_NAME}.elf)
add_executable(${elf_target})
target_sources(${elf_target} PRIVATE ${args_SOURCES})
target_include_directories(${elf_target} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR} ${args_INCLUDE_DIRECTORIES} ${STM32_INCLUDE_DIRS})
target_compile_definitions(${elf_target} PRIVATE ${args_COMPILE_DEFINITIONS})
target_compile_options(${elf_target} PRIVATE ${STM32_COMPILE_OPTIONS} ${args_COMPILE_OPTIONS})
if(WARNINGS_AS_ERRORS)
target_compile_options(${elf_target} PRIVATE -Werror)
endif()
if (IS_RELEASE_BUILD)
target_compile_options(${elf_target} PRIVATE ${args_OPTIMIZATION})
target_link_options(${elf_target} PRIVATE ${args_OPTIMIZATION})
endif()
target_link_libraries(${elf_target} PRIVATE ${STM32_LINK_LIBRARIES})
target_link_options(${elf_target} PRIVATE ${STM32_LINK_OPTIONS} ${args_LINK_OPTIONS})
generate_map_file(${elf_target})
set_linker_script(${elf_target} ${args_LINKER_SCRIPT})
if(args_FILENAME)
set(basename ${CMAKE_BINARY_DIR}/${args_FILENAME})
set(hex_filename ${basename}.hex)
add_hex_target(${args_NAME} ${elf_target} ${hex_filename})
set(bin_filename ${basename}.bin)
add_bin_target(${args_NAME}.bin ${elf_target} ${bin_filename})
endif()
if(args_OUTPUT_BIN_FILENAME)
set(${args_OUTPUT_BIN_FILENAME} ${bin_filename} PARENT_SCOPE)
endif()
if(args_OUTPUT_TARGET_NAME)
set(${args_OUTPUT_TARGET_NAME} ${elf_target} PARENT_SCOPE)
endif()
if(args_OUTPUT_HEX_FILENAME)
set(${args_OUTPUT_HEX_FILENAME} ${hex_filename} PARENT_SCOPE)
endif()
endfunction()
function(target_stm32)
if(NOT arm-none-eabi STREQUAL TOOLCHAIN)
return()
endif()
# Parse keyword arguments
cmake_parse_arguments(
args
# Boolean arguments
"DISABLE_MSC;BOOTLOADER"
# Single value arguments
"HSE_MHZ;LINKER_SCRIPT;NAME;OPENOCD_TARGET;OPTIMIZATION;STARTUP;SVD"
# Multi-value arguments
"COMPILE_DEFINITIONS;COMPILE_OPTIONS;INCLUDE_DIRECTORIES;LINK_OPTIONS;SOURCES;MSC_SOURCES;MSC_INCLUDE_DIRECTORIES;VCP_SOURCES;VCP_INCLUDE_DIRECTORIES"
# Start parsing after the known arguments
${ARGN}
)
set(name ${args_NAME})
if (args_HSE_MHZ)
set(hse_mhz ${args_HSE_MHZ})
else()
set(hse_mhz ${STM32_DEFAULT_HSE_MHZ})
endif()
set(target_sources ${STM32_STARTUP_DIR}/${args_STARTUP})
list(APPEND target_sources ${args_SOURCES})
file(GLOB target_c_sources "${CMAKE_CURRENT_SOURCE_DIR}/*.c")
file(GLOB target_h_sources "${CMAKE_CURRENT_SOURCE_DIR}/*.h")
list(APPEND target_sources ${target_c_sources} ${target_h_sources})
set(target_include_directories ${args_INCLUDE_DIRECTORIES})
set(target_definitions ${STM32_DEFINITIONS} ${COMMON_COMPILE_DEFINITIONS})
get_stm32_target_features(features "${CMAKE_CURRENT_SOURCE_DIR}" ${name})
set_property(TARGET ${elf_target} PROPERTY FEATURES ${features})
if(VCP IN_LIST features)
list(APPEND target_sources ${STM32_VCP_SRC} ${args_VCP_SOURCES})
list(APPEND target_include_directories ${args_VCP_INCLUDE_DIRECTORIES})
endif()
if(SDCARD IN_LIST features)
list(APPEND target_sources ${STM32_SDCARD_SRC} ${STM32_ASYNCFATFS_SRC})
endif()
set(msc_sources)
if(NOT args_DISABLE_MSC AND MSC IN_LIST features)
list(APPEND target_include_directories ${args_MSC_INCLUDE_DIRECTORIES})
list(APPEND msc_sources ${STM32_MSC_SRC} ${args_MSC_SOURCES})
list(APPEND target_definitions USE_USB_MSC)
if(FLASHFS IN_LIST features)
list(APPEND msc_sources ${STM32_MSC_FLASH_SRC})
endif()
if (SDCARD IN_LIST features)
list(APPEND msc_sources ${STM32_MSC_SDCARD_SRC})
endif()
endif()
math(EXPR hse_value "${hse_mhz} * 1000000")
list(APPEND target_definitions "HSE_VALUE=${hse_value}")
if(args_COMPILE_DEFINITIONS)
list(APPEND target_definitions ${args_COMPILE_DEFINITIONS})
endif()
if(DEBUG_HARDFAULTS)
list(APPEND target_definitions DEBUG_HARDFAULTS)
endif()
string(TOLOWER ${PROJECT_NAME} lowercase_project_name)
set(binary_name ${lowercase_project_name}_${FIRMWARE_VERSION}_${name})
if(DEFINED BUILD_SUFFIX AND NOT "" STREQUAL "${BUILD_SUFFIX}")
set(binary_name "${binary_name}_${BUILD_SUFFIX}")
endif()
# Main firmware
add_stm32_executable(
NAME ${name}
FILENAME ${binary_name}
SOURCES ${target_sources} ${msc_sources} ${CMSIS_DSP_SRC} ${COMMON_SRC}
COMPILE_DEFINITIONS ${target_definitions}
COMPILE_OPTIONS ${args_COMPILE_OPTIONS}
INCLUDE_DIRECTORIES ${target_include_directories}
LINK_OPTIONS ${args_LINK_OPTIONS}
LINKER_SCRIPT ${args_LINKER_SCRIPT}
OPTIMIZATION ${args_OPTIMIZATION}
OUTPUT_HEX_FILENAME main_hex_filename
OUTPUT_TARGET_NAME main_target_name
)
set_property(TARGET ${main_target_name} PROPERTY OPENOCD_TARGET ${args_OPENOCD_TARGET})
set_property(TARGET ${main_target_name} PROPERTY OPENOCD_DEFAULT_INTERFACE stlink)
set_property(TARGET ${main_target_name} PROPERTY SVD ${args_SVD})
setup_firmware_target(${main_target_name} ${name} ${ARGN})
if(args_BOOTLOADER)
# Bootloader for the target
set(bl_suffix _bl)
add_stm32_executable(
NAME ${name}${bl_suffix}
FILENAME ${binary_name}${bl_suffix}
SOURCES ${target_sources} ${BOOTLOADER_SOURCES}
COMPILE_DEFINITIONS ${target_definitions} BOOTLOADER MSP_FIRMWARE_UPDATE
COMPILE_OPTIONS ${args_COMPILE_OPTIONS}
INCLUDE_DIRECTORIES ${target_include_directories}
LINK_OPTIONS ${args_LINK_OPTIONS}
LINKER_SCRIPT ${args_LINKER_SCRIPT}${bl_suffix}
OPTIMIZATION ${args_OPTIMIZATION}
OUTPUT_BIN_FILENAME bl_bin_filename
OUTPUT_HEX_FILENAME bl_hex_filename
OUTPUT_TARGET_NAME bl_target_name
)
setup_executable(${bl_target_name} ${name})
# Main firmware, but for running with the bootloader
set(for_bl_suffix _for_bl)
add_stm32_executable(
NAME ${name}${for_bl_suffix}
FILENAME ${binary_name}${for_bl_suffix}
SOURCES ${target_sources} ${msc_sources} ${CMSIS_DSP_SRC} ${COMMON_SRC}
COMPILE_DEFINITIONS ${target_definitions} MSP_FIRMWARE_UPDATE
COMPILE_OPTIONS ${args_COMPILE_OPTIONS}
INCLUDE_DIRECTORIES ${target_include_directories}
LINK_OPTIONS ${args_LINK_OPTIONS}
LINKER_SCRIPT ${args_LINKER_SCRIPT}${for_bl_suffix}
OPTIMIZATION ${args_OPTIMIZATION}
OUTPUT_BIN_FILENAME for_bl_bin_filename
OUTPUT_HEX_FILENAME for_bl_hex_filename
OUTPUT_TARGET_NAME for_bl_target_name
)
setup_executable(${for_bl_target_name} ${name})
# Combined with bootloader and main firmware
set(with_bl_suffix _with_bl)
set(combined_hex ${CMAKE_BINARY_DIR}/${binary_name}${with_bl_suffix}.hex)
set(with_bl_target ${name}${with_bl_suffix})
add_custom_target(${with_bl_target}
${CMAKE_SOURCE_DIR}/src/utils/combine_tool ${bl_bin_filename} ${for_bl_bin_filename} ${combined_hex}
BYPRODUCTS ${combined_hex}
)
add_dependencies(${with_bl_target} ${bl_target_name} ${for_bl_target_name})
endif()
# clean_<target>
set(generator_cmd "")
if (CMAKE_GENERATOR STREQUAL "Unix Makefiles")
set(generator_cmd "make")
elseif(CMAKE_GENERATOR STREQUAL "Ninja")
set(generator_cmd "ninja")
endif()
if (NOT generator_cmd STREQUAL "")
set(clean_target "clean_${name}")
add_custom_target(${clean_target}
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMAND ${generator_cmd} clean
COMMENT "Removing intermediate files for ${name}")
set_property(TARGET ${clean_target} PROPERTY
EXCLUDE_FROM_ALL 1
EXCLUDE_FROM_DEFAULT_BUILD 1)
endif()
endfunction()