73 lines
3.2 KiB
CMake
73 lines
3.2 KiB
CMake
# @brief Link designated functions from SRAM to Flash to save SRAM
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if(CONFIG_CU_RELINKER_ENABLE)
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# project_elf variable is only in project.cmake
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if(NOT TARGET customer_sections AND DEFINED project_elf)
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message(STATUS "Relinker is enabled.")
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if(CONFIG_IDF_TARGET_ESP32C2)
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set(target "esp32c2")
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else()
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message(FATAL_ERROR "Other targets are not supported.")
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endif()
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if(CONFIG_CU_RELINKER_ENABLE_CUSTOMIZED_CONFIGURATION_FILES)
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idf_build_get_property(project_dir PROJECT_DIR)
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get_filename_component(cfg_file_path "${CONFIG_CU_RELINKER_CUSTOMIZED_CONFIGURATION_FILES_PATH}"
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ABSOLUTE BASE_DIR "${project_dir}")
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if(NOT EXISTS "${cfg_file_path}")
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message(FATAL_ERROR "Relinker Configuration files path ${cfg_file_path} is not found.")
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endif()
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else()
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set(cfg_file_path ${PROJECT_DIR}/relinker/${target})
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if(NOT EXISTS ${cfg_file_path})
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set(cfg_file_path ${CMAKE_CURRENT_LIST_DIR}/scripts/relinker/examples/${target})
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endif()
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endif()
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message(STATUS "Relinker configuration files: ${cfg_file_path}")
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set(library_file "${cfg_file_path}/library.csv")
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set(object_file "${cfg_file_path}/object.csv")
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set(function_file "${cfg_file_path}/function.csv")
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set(relinker_script "${CMAKE_CURRENT_LIST_DIR}/scripts/relinker/relinker.py")
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set(cmake_objdump "${CMAKE_OBJDUMP}")
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set(link_path "${CMAKE_BINARY_DIR}/esp-idf/esp_system/ld")
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set(link_src_file "${link_path}/sections.ld")
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set(link_dst_file "${link_path}/customer_sections.ld")
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set(relinker_opts --input ${link_src_file}
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--output ${link_dst_file}
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--library ${library_file}
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--object ${object_file}
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--function ${function_file}
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--sdkconfig ${sdkconfig}
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--objdump ${cmake_objdump})
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if(CONFIG_CU_RELINKER_ENABLE_PRINT_ERROR_INFO_WHEN_MISSING_FUNCTION)
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list(APPEND relinker_opts --missing_function_info True)
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endif()
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idf_build_get_property(link_depends __LINK_DEPENDS)
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add_custom_command(OUTPUT ${link_dst_file}
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COMMAND ${python} -B ${relinker_script}
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${relinker_opts}
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COMMAND ${CMAKE_COMMAND} -E copy
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${link_dst_file}
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${link_src_file}
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COMMAND ${CMAKE_COMMAND} -E echo
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/*relinker*/ >>
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${link_dst_file}
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DEPENDS "${link_depends}"
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"${library_file}"
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"${object_file}"
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"${function_file}"
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VERBATIM)
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add_custom_target(customer_sections DEPENDS ${link_dst_file})
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add_dependencies(${project_elf} customer_sections)
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endif()
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else()
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message(STATUS "Relinker isn't enabled.")
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endif()
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