92 lines
2.2 KiB
CMake
92 lines
2.2 KiB
CMake
CMAKE_MINIMUM_REQUIRED(VERSION 3.13 FATAL_ERROR)
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SET(BOARD "iss" CACHE STRING "board to be compiled for")
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OPTION(SEMIHOSTING "Enable Semihosting" ON)
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SET(RISCV_ARCH "rv32imc" CACHE STRING "arch")
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SET(RISCV_ABI "ilp32" CACHE STRING "abi")
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EXECUTE_PROCESS(
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COMMAND which riscv64-unknown-elf-gcc
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OUTPUT_VARIABLE COMPILER
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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GET_FILENAME_COMPONENT(TOOL_DIR ${COMPILER} DIRECTORY)
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SET(TRIPLET "riscv64-unknown-elf")
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SET(CMAKE_C_COMPILER ${TOOL_DIR}/${TRIPLET}-gcc)
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SET(CMAKE_CXX_COMPILER ${TOOL_DIR}/${TRIPLET}-g++)
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SET(CMAKE_ASM_COMPILER ${TOOL_DIR}/${TRIPLET}-gcc)
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SET(CMAKE_LINKER ${TOOL_DIR}/${TRIPLET}-ld)
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SET(CMAKE_OBJCOPY ${TOOL_DIR}/${TRIPLET}-objcopy)
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SET(CMAKE_AR ${TOOL_DIR}/${TRIPLET}-ar)
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PROJECT(semihosting_test)
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SET(BSP_BASE "../bare-metal-bsp")
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SET(ENV_DIR ${BSP_BASE}/env)
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SET(PLATFORM_DIR ${ENV_DIR}/${BOARD})
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SET(SEMIHOSTING TRUE)
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INCLUDE(${BSP_BASE}/libwrap/CMakeLists.txt)
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INCLUDE_DIRECTORIES(
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${BSP_BASE}/include
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${BSP_BASE}/drivers
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${BSP_BASE}/libwrap/semihosting
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${PLATFORM_DIR}
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${ENV_DIR}
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)
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# Source files
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SET(ASM_SRCS
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${ENV_DIR}/entry.S
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${ENV_DIR}/start.S
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)
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SET(C_SRCS
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${PLATFORM_DIR}/init.c
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test.c
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)
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SET_SOURCE_FILES_PROPERTIES(${ASM_SRCS} PROPERTIES LANGUAGE C)
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# Compiler Flags
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SET(COMMON_FLAGS "")
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# GCC Version Check
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EXECUTE_PROCESS(
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COMMAND ${CMAKE_C_COMPILER} --version
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OUTPUT_VARIABLE GCC_VERSION
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)
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IF(GCC_VERSION MATCHES "9.2")
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LIST(APPEND COMMON_FLAGS "-march=${RISCV_ARCH}")
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ELSE()
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LIST(APPEND COMMON_FLAGS "-march=${RISCV_ARCH}_zicsr_zifencei")
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ENDIF()
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LIST(APPEND COMMON_FLAGS "-mabi=${RISCV_ABI}" "-mcmodel=medany" "-DBOARD_${BOARD}")
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# Compiler Options
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ADD_COMPILE_OPTIONS("${COMMON_FLAGS}")
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IF(SEMIHOSTING)
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ADD_DEFINITIONS(-DSEMIHOSTING=1)
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ELSE ()
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ADD_DEFINITIONS(-DSEMIHOSTING=0)
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ENDIF()
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ADD_EXECUTABLE(${PROJECT_NAME} ${ASM_SRCS} ${C_SRCS} ${SRC_FILES})
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TARGET_LINK_LIBRARIES(${PROJECT_NAME} PUBLIC ${LIBWRAP_TGC_LDFLAGS} LIBWRAP_TGC)
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# Linker Flags
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TARGET_LINK_LIBRARIES(${PROJECT_NAME}
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PUBLIC
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-march=${RISCV_ARCH} -mabi=${RISCV_ABI}
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-T../${PLATFORM_DIR}/link.lds #TODO Path
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-Wl,-Map=${PROJECT_NAME}.map
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-nostartfiles
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-L${ENV_DIR}
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)
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