94 lines
4.6 KiB
CMake
94 lines
4.6 KiB
CMake
# Setting Linux is forcing th extension to be .o instead of .obj when building on WIndows.
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# It is important because armlink is failing when files have .obj extensions (error with
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# scatter file section not found)
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SET(CMAKE_SYSTEM_NAME Linux)
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SET(CMAKE_SYSTEM_PROCESSOR arm)
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#SET(CMAKE_C_COMPILER "${tools}/bin/arm-none-eabi-gcc")
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#SET(CMAKE_CXX_COMPILER "${tools}/bin/arm-none-eabi-g++")
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#SET(CMAKE_ASM_COMPILER "${tools}/bin/arm-none-eabi-gcc")
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find_program(CMAKE_C_COMPILER NAMES arm-none-eabi-gcc arm-none-eabi-gcc.exe)
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find_program(CMAKE_CXX_COMPILER NAMES arm-none-eabi-g++ arm-none-eabi-g++.exe)
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find_program(CMAKE_ASM_COMPILER NAMES arm-none-eabi-gcc arm-none-eabi-gcc.exe)
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if (NOT ("${tools}" STREQUAL ""))
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message(STATUS "Tools path is set")
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SET(CMAKE_AR "${tools}/bin/ar")
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SET(CMAKE_CXX_COMPILER_AR "${tools}/bin/ar")
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SET(CMAKE_C_COMPILER_AR "${tools}/bin/ar")
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else()
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find_program(CMAKE_AR NAMES arm-none-eabi-gcc-ar arm-none-eabi-gcc-ar.exe )
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find_program(CMAKE_CXX_COMPILER_AR NAMES arm-none-eabi-gcc-ar arm-none-eabi-gcc-ar.exe )
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find_program(CMAKE_C_COMPILER_AR NAMES arm-none-eabi-gcc-ar arm-none-eabi-gcc-ar.exe)
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endif()
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#SET(CMAKE_LINKER "${tools}/bin/arm-none-eabi-g++")
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find_program(CMAKE_LINKER NAMES arm-none-eabi-g++ arm-none-eabi-g++.exe)
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SET(CMAKE_C_LINK_EXECUTABLE "<CMAKE_LINKER> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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SET(CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_LINKER> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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SET(CMAKE_C_OUTPUT_EXTENSION .o)
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SET(CMAKE_CXX_OUTPUT_EXTENSION .o)
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SET(CMAKE_ASM_OUTPUT_EXTENSION .o)
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# When library defined as STATIC, this line is needed to describe how the .a file must be
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# create. Some changes to the line may be needed.
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SET(CMAKE_C_CREATE_STATIC_LIBRARY "<CMAKE_AR> -crs <TARGET> <LINK_FLAGS> <OBJECTS>" )
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SET(CMAKE_CXX_CREATE_STATIC_LIBRARY "<CMAKE_AR> -crs <TARGET> <LINK_FLAGS> <OBJECTS>" )
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set(GCC ON)
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# default core
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if(NOT ARM_CPU)
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set(
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ARM_CPU "cortex-a5"
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CACHE STRING "Set ARM CPU. Default : cortex-a5"
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)
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endif(NOT ARM_CPU)
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if (ARM_CPU STREQUAL "cortex-m55")
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# For gcc 10q4
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SET(CMAKE_C_FLAGS "-ffunction-sections -fdata-sections -march=armv8.1-m.main+mve.fp+fp.dp" CACHE INTERNAL "C compiler common flags")
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SET(CMAKE_CXX_FLAGS "-ffunction-sections -fdata-sections -march=armv8.1-m.main+mve.fp+fp.dp" CACHE INTERNAL "C compiler common flags")
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SET(CMAKE_ASM_FLAGS "-march=armv8.1-m.main+mve.fp+fp.dp" CACHE INTERNAL "ASM compiler common flags")
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SET(CMAKE_EXE_LINKER_FLAGS "-fno-use-linker-plugin -march=armv8.1-m.main+mve.fp+fp.dp" CACHE INTERNAL "linker flags")
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elseif (ARM_CPU STREQUAL "cortex-m55+nomve.fp+nofp")
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# This case is not tested nor supported
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SET(CMAKE_C_FLAGS "-ffunction-sections -fdata-sections -march=armv8.1-m.main+dsp+nofp" CACHE INTERNAL "C compiler common flags")
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SET(CMAKE_CXX_FLAGS "-ffunction-sections -fdata-sections -march=armv8.1-m.main+dsp+nofp" CACHE INTERNAL "C compiler common flags")
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SET(CMAKE_ASM_FLAGS "-march=armv8.1-m.main+dsp+nofp" CACHE INTERNAL "ASM compiler common flags")
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SET(CMAKE_EXE_LINKER_FLAGS "-fno-use-linker-plugin -march=armv8.1-m.main+dsp+nofp" CACHE INTERNAL "linker flags")
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elseif (ARM_CPU STREQUAL "cortex-m55+nomve.fp+fp.dp")
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# This case is not tested nor supported
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SET(CMAKE_C_FLAGS "-ffunction-sections -fdata-sections -march=armv8.1-m.main+dsp+fp.dp" CACHE INTERNAL "C compiler common flags")
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SET(CMAKE_CXX_FLAGS "-ffunction-sections -fdata-sections -march=armv8.1-m.main+dsp+fp.dp" CACHE INTERNAL "C compiler common flags")
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SET(CMAKE_ASM_FLAGS "-march=armv8.1-m.main+dsp+fp.dp" CACHE INTERNAL "ASM compiler common flags")
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SET(CMAKE_EXE_LINKER_FLAGS "-fno-use-linker-plugin -march=armv8.1-m.main+dsp+fp.dp" CACHE INTERNAL "linker flags")
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else()
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SET(CMAKE_C_FLAGS "-ffunction-sections -fdata-sections -mcpu=${ARM_CPU}" CACHE INTERNAL "C compiler common flags")
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SET(CMAKE_CXX_FLAGS "-ffunction-sections -fdata-sections -mcpu=${ARM_CPU}" CACHE INTERNAL "C compiler common flags")
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SET(CMAKE_ASM_FLAGS "-mcpu=${ARM_CPU}" CACHE INTERNAL "ASM compiler common flags")
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SET(CMAKE_EXE_LINKER_FLAGS "-mcpu=${ARM_CPU}" CACHE INTERNAL "linker flags")
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endif()
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get_property(IS_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
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if(IS_IN_TRY_COMPILE)
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add_link_options("--specs=nosys.specs")
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endif()
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add_link_options("-Wl,--start-group")
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#add_link_options("-mcpu=${ARM_CPU}")
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# Where is the target environment
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#SET(CMAKE_FIND_ROOT_PATH "${tools}")
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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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