53 lines
2.4 KiB
CMake
53 lines
2.4 KiB
CMake
SET(CMAKE_C_FLAGS "-mcpu=cortex-m4 -mthumb -mno-thumb-interwork -fno-common -mfloat-abi=hard -mfpu=fpv4-sp-d16 -ffunction-sections -fdata-sections -fomit-frame-pointer -mabi=aapcs -fno-unroll-loops -fsingle-precision-constant -flto -falign-functions=16" CACHE INTERNAL "c compiler flags")
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SET(CMAKE_CXX_FLAGS "$(CMAKE_C_FLAGS)" CACHE INTERNAL "cxx compiler flags")
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SET(CMAKE_ASM_FLAGS "-mthumb -mno-thumb-interwork -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -x assembler-with-cpp -flto" CACHE INTERNAL "asm compiler flags")
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SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections -mthumb -mno-thumb-interwork -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -nostartfiles -flto" CACHE INTERNAL "executable linker flags")
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SET(CMAKE_MODULE_LINKER_FLAGS "-mthumb -mno-thumb-interwork -mcpu=cortex-m4 -mfpu=fpv4-sp-d16" CACHE INTERNAL "module linker flags")
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SET(CMAKE_SHARED_LINKER_FLAGS "-mthumb -mno-thumb-interwork -mcpu=cortex-m4 -mfpu=fpv4-sp-d16" CACHE INTERNAL "shared linker flags")
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SET(STM32_CHIP_TYPES 476xE 496xG CACHE INTERNAL "stm32l4 chip types")
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SET(STM32_CODES "476.." "496..")
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MACRO(STM32_GET_CHIP_TYPE CHIP CHIP_TYPE)
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STRING(REGEX REPLACE "^[sS][tT][mM]32[lL](4[79]6.[EG]).+$" "\\1" STM32_CODE ${CHIP})
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SET(INDEX 0)
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FOREACH(C_TYPE ${STM32_CHIP_TYPES})
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LIST(GET STM32_CODES ${INDEX} CHIP_TYPE_REGEXP)
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IF(STM32_CODE MATCHES ${CHIP_TYPE_REGEXP})
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SET(RESULT_TYPE ${C_TYPE})
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ENDIF()
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MATH(EXPR INDEX "${INDEX}+1")
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ENDFOREACH()
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SET(${CHIP_TYPE} ${RESULT_TYPE})
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ENDMACRO()
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MACRO(STM32_GET_CHIP_PARAMETERS CHIP FLASH_SIZE RAM_SIZE)
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STRING(REGEX REPLACE "^[sS][tT][mM]32[lL]4[79]6.([EG]).*$" "\\1" STM32_SIZE_CODE ${CHIP})
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IF(STM32_SIZE_CODE STREQUAL "G")
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SET(FLASH "1024K")
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ELSEIF(STM32_SIZE_CODE STREQUAL "E")
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SET(FLASH "512K")
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ENDIF()
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STM32_GET_CHIP_TYPE(${CHIP} TYPE)
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IF(${TYPE} STREQUAL "496xG")
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SET(RAM "320K")
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ELSEIF(${TYPE} STREQUAL "476xE")
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SET(RAM "128K")
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ENDIF()
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SET(${FLASH_SIZE} ${FLASH})
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SET(${RAM_SIZE} ${RAM})
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ENDMACRO()
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FUNCTION(STM32_SET_CHIP_DEFINITIONS TARGET CHIP_TYPE)
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LIST(FIND STM32_CHIP_TYPES ${CHIP_TYPE} TYPE_INDEX)
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IF(TYPE_INDEX EQUAL -1)
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MESSAGE(FATAL_ERROR "Invalid/unsupported STM32L4 chip type: ${CHIP_TYPE}")
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ENDIF()
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add_definitions("-DSTM32L4 -DSTM32L${CHIP_TYPE}")
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ENDFUNCTION()
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