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https://github.com/espressif/esp-idf.git
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33 lines
1.3 KiB
CMake
33 lines
1.3 KiB
CMake
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# For each supported target, a memory.ld.in and sections.ld.in is processed and dictate the
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# memory layout of the app.
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#
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# memory.ld.in goes through the preprocessor
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# sections.ld.in goes through linker script generator
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idf_build_get_property(target IDF_TARGET)
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idf_build_get_property(sdkconfig_header SDKCONFIG_HEADER)
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set(ld_input "${CMAKE_CURRENT_LIST_DIR}/${target}/memory.ld.in")
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set(ld_output "${CMAKE_CURRENT_BINARY_DIR}/ld/memory.ld")
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target_linker_script(${COMPONENT_LIB} INTERFACE "${ld_output}")
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file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/ld")
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# Process the template file through the linker script generation mechanism, and use the output for linking the
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# final binary
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target_linker_script(${COMPONENT_LIB} INTERFACE "${CMAKE_CURRENT_LIST_DIR}/${target}/sections.ld.in"
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PROCESS "${CMAKE_CURRENT_BINARY_DIR}/ld/sections.ld")
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idf_build_get_property(config_dir CONFIG_DIR)
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# Preprocess memory.ld.in linker script to include configuration, becomes memory.ld
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add_custom_command(
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OUTPUT ${ld_output}
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COMMAND "${CMAKE_C_COMPILER}" -C -P -x c -E -o ${ld_output} -I ${config_dir} ${ld_input}
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MAIN_DEPENDENCY ${ld_input}
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DEPENDS ${sdkconfig_header}
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COMMENT "Generating memory.ld linker script..."
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VERBATIM)
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add_custom_target(memory_ld DEPENDS ${ld_output})
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add_dependencies(${COMPONENT_LIB} memory_ld)
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