67 lines
1.9 KiB
CMake
67 lines
1.9 KiB
CMake
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if(NOT DEFINED ENV{CROSS_COMPILE})
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set(CROSS_COMPILE "arm-none-eabi")
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message(STATUS
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"No CROSS_COMPILE environmental variable set, using default ARM "
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"cross compiler name ${CROSS_COMPILE}"
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)
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else()
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set(CROSS_COMPILE "$ENV{CROSS_COMPILE}")
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message(STATUS
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"Using environmental variable CROSS_COMPILE as cross-compiler: "
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"$ENV{CROSS_COMPILE}"
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)
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endif()
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set(TGT_ARCH "arm" CACHE STRING "Target architecture")
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set(TGT_MACH "stm32h743zi-nucleo" CACHE STRING "Target machine")
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set(TGT_BSP "${TGT_ARCH}/${TGT_MACH}" CACHE STRING "Target BSP")
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set(CROSS_COMPILE_CC "${CROSS_COMPILE}-gcc")
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set(CROSS_COMPILE_CXX "${CROSS_COMPILE}-g++")
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set(CROSS_COMPILE_SIZE "${CROSS_COMPILE}-size")
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# At the very least, cross compile gcc and g++ have to be set!
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find_program (CROSS_COMPILE_CC_FOUND ${CROSS_COMPILE_CC} REQUIRED)
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find_program (CROSS_COMPILE_CXX_FOUND ${CROSS_COMPILE_CXX} REQUIRED)
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# Size utility optional.
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find_program (CMAKE_SIZE ${CROSS_COMPILE_SIZE})
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set(CMAKE_CROSSCOMPILING TRUE)
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# Define name of the target system
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set(CMAKE_SYSTEM_NAME "Generic")
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set(CMAKE_SYSTEM_PROCESSOR "arm")
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# Define the compiler
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set(CMAKE_C_COMPILER ${CROSS_COMPILE_CC})
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set(CMAKE_CXX_COMPILER ${CROSS_COMPILE_CXX})
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set(CMAKE_ASM_FLAGS "-x assembler-with-cpp")
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set(ABI_FLAGS
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-mcpu=cortex-m7
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-mfpu=fpv5-d16
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-mfloat-abi=hard
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-mthumb
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--specs=nosys.specs
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--specs=nano.specs
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)
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string (REPLACE ";" " " ABI_FLAGS "${ABI_FLAGS}")
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set(CMAKE_C_FLAGS
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${ABI_FLAGS}
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CACHE STRING "C flags for the STM32H743ZI-Nucleo with FreeRTOS"
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)
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set(CMAKE_CXX_FLAGS
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"${CMAKE_C_FLAGS}"
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CACHE STRING "C++ flags for the STM32H743ZI-Nucleo with FreeRTOS"
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)
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# search for programs in the build host directories
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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# for libraries and headers in the target directories
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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