85 lines
2.7 KiB
CMake
85 lines
2.7 KiB
CMake
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#===============================================================================
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# @brief cmake deal with link script
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# Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2022-2022. All rights reserved.
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#===============================================================================
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if("${LINK_SCRIPT}" STREQUAL "")
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MESSAGE(FATAL_ERROR "linkscript is not found!")
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endif()
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function(auto_gen_lds macro_name lib_list)
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file(APPEND ${CMAKE_BINARY_DIR}/auto_gen_libfunc.lds "#define ${macro_name}(func) \\\n")
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set(LIB_FUNC "${${lib_list}}")
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list(TRANSFORM LIB_FUNC PREPEND " func(*lib")
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list(TRANSFORM LIB_FUNC APPEND ".a:*.o) \\\n")
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file(APPEND ${CMAKE_BINARY_DIR}/auto_gen_libfunc.lds ${LIB_FUNC} "\n")
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endfunction()
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# 添加用于处理链接脚本用的编译宏
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set(LDS_DEFINES ${DEFINES})
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list(TRANSFORM LDS_DEFINES PREPEND "-D")
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# 添加用于处理链接脚本用的编译头文件
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if(DEFINED LDS_HEADER)
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list(REMOVE_ITEM LDS_HEADER "")
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list(TRANSFORM LDS_HEADER PREPEND "-I")
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else()
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set(LDS_HEADER ${ALL_PUBLIC_HEADER})
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list(REMOVE_DUPLICATES LDS_HEADER)
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list(REMOVE_ITEM LDS_HEADER "")
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list(TRANSFORM LDS_HEADER PREPEND "-I")
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endif()
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list(APPEND LDS_HEADER -I${CMAKE_BINARY_DIR})
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if(DEFINED ROM_RAM_CHECK)
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list(APPEND LDSDEFINES -DROM_BIN_CHECK)
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endif()
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list(TRANSFORM LDS_HEADER PREPEND "\"")
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list(TRANSFORM LDS_HEADER APPEND "\"")
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string(JOIN " " LDS_HEADER_STR ${LDS_HEADER})
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file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/linker_header.srp "${LDS_HEADER_STR}")
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auto_gen_lds("LIB_RAM_FUNC" RAM_COMPONENT)
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auto_gen_lds("LIB_ROM_FUNC" ROM_COMPONENT)
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auto_gen_lds("LIB_LOS_FUNC" LOS_LIB)
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if(DEFINED SDK_OUTPUT_PATH)
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string(REPLACE "${PROJECT_SOURCE_DIR}" "${SDK_OUTPUT_PATH}" dest ${LINK_SCRIPT})
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get_filename_component(dest ${dest} DIRECTORY)
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install(FILES ${LINK_SCRIPT} DESTINATION ${dest})
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install_sdk(${LINK_SCRIPT} "*.prelds")
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endif()
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if(NOT DEFINED ROM_CHECK)
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set(ROM_CHECK False)
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endif()
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if(${ROM_CHECK})
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list(APPEND LDS_DEFINES "-DROM_CHECK")
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endif()
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add_custom_command(TARGET ${TARGET_NAME} PRE_BUILD
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COMMAND ${CMAKE_C_COMPILER} -P -xc -E -o linker.lds @${CMAKE_CURRENT_BINARY_DIR}/linker_header.srp ${LDS_DEFINES} ${LINK_SCRIPT}
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COMMENT "Generating ${LINK_SCRIPT} -> ${CMAKE_BINARY_DIR}/linker.lds"
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WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
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VERBATIM
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)
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target_link_directories(${TARGET_NAME}
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PRIVATE
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${LIB_GCC}
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${LIB_C}
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${LIB_CXX}
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)
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target_link_libraries(${TARGET_NAME}
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PRIVATE
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-Wl,--start-group "${STD_LIBS}" -Wl,--end-group
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)
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target_link_options(${TARGET_NAME}
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PRIVATE
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${LINKFLAGS}
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-Wl,-T${CMAKE_BINARY_DIR}/linker.lds -nostartfiles
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-Wl,--gc-sections -Wl,-Map=${CMAKE_BINARY_DIR}/${BIN_NAME}.map
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-Wl,--print-memory-usage
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)
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