89 lines
4.0 KiB
CMake
89 lines
4.0 KiB
CMake
function(module_objects module_name input_files output_string)
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foreach(module_file ${input_files})
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string(REGEX MATCH "^.*[oc]$" match_file ${module_file})
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if(NOT ${match_file})
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file(RELATIVE_PATH rel_file "${PROJECT_SOURCE_DIR}" ${module_file} )
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string(REPLACE ".c" ".o" module_object ${rel_file})
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list(APPEND module_objects "${module_name}-objs += ${module_object}")
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endif()
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endforeach()
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string(REPLACE ";" "\n" module_objects_string "${module_objects}")
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set(${output_string} ${module_objects_string} PARENT_SCOPE)
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endfunction()
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function(get_directory_includes output_string)
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get_property(input_dirs DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY INCLUDE_DIRECTORIES)
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foreach(include_dir ${input_dirs})
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get_filename_component(abs_path ${include_dir} REALPATH)
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list(APPEND module_includes "ccflags-y += -I${abs_path}")
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endforeach()
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string(REPLACE ";" "\n" module_includes_string "${module_includes}")
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set(${output_string} ${module_includes_string} PARENT_SCOPE)
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endfunction()
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function(get_directory_definitions output_string)
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get_property(input_definitions DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY COMPILE_DEFINITIONS)
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foreach(input_definition ${input_definitions})
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list(APPEND module_definitions "ccflags-y += -D${input_definition}")
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endforeach()
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string(REPLACE ";" "\n" module_definitions_string "${module_definitions}")
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set(${output_string} ${module_definitions_string} PARENT_SCOPE)
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endfunction()
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function(module_kbuild module_name module_files output_string)
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module_objects("${module_name}" "${module_files}" kobjects_string)
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get_directory_definitions(kdefintions_string)
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get_directory_includes(kincludes_string)
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set(${output_string}
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"obj-m += ${module_name}.o
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${kobjects_string}
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${kincludes_string}
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${kdefintions_string}" PARENT_SCOPE)
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endfunction()
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function(add_module module_name module_files kernel_dir)
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set(module_build_path "${PROJECT_BINARY_DIR}/${module_name}")
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module_kbuild("${module_name}" "${module_files}" Kbuild_string)
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file(WRITE "${module_build_path}/Kbuild" ${Kbuild_string})
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foreach(copy_file ${module_files})
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file(RELATIVE_PATH rel_copy_file "${PROJECT_SOURCE_DIR}" ${copy_file} )
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list(APPEND cmd_list "cp --parents ${rel_copy_file} ${module_build_path}")
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endforeach()
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string(REPLACE ";" "\n" cmd_list_string "${cmd_list}")
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file(WRITE "${module_build_path}/cp.sh" "#!/bin/sh\n${cmd_list_string}")
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file(COPY "${module_build_path}/cp.sh"
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DESTINATION "${module_build_path}/.tmp"
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FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
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file(REMOVE "${module_build_path}/cp.sh")
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message("${CMAKE_MAKE_PROGRAM} -C ${kernel_dir} M=${module_build_path} modules KBUILD_EXTRA_SYMBOLS=${module_build_path}/Module.symvers")
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ADD_CUSTOM_COMMAND(
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OUTPUT ${PROJECT_BINARY_DIR}/${module_name}.built
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COMMAND ${CMAKE_MAKE_PROGRAM} -C ${kernel_dir} M=${module_build_path} modules KBUILD_EXTRA_SYMBOLS=${module_build_path}/Module.symvers
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COMMAND cmake -E touch ${PROJECT_BINARY_DIR}/${module_name}.built
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COMMENT "Kernel make modules ${module_name}:\n${Kbuild_string}\n"
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DEPENDS ${PROJECT_SOURCE_DIR}/CMakeLists.txt ${module_files} ${module_include_dirs}
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VERBATIM)
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ADD_CUSTOM_COMMAND(
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OUTPUT ${PROJECT_BINARY_DIR}/${module_name}-copy.built
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COMMAND "${module_build_path}/.tmp/cp.sh"
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WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}"
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COMMAND cmake -E touch ${PROJECT_BINARY_DIR}/${module_name}-copy.built
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DEPENDS ${PROJECT_SOURCE_DIR}/CMakeLists.txt ${module_files} ${module_include_dirs}
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VERBATIM)
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ADD_CUSTOM_TARGET("${module_name}" ALL
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DEPENDS ${PROJECT_BINARY_DIR}/${module_name}.built ${PROJECT_BINARY_DIR}/${module_name}-copy.built
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SOURCES ${module_files}
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COMMENT "Building Kernel Module ${module_name}")
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endfunction()
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#function(get_target_definitions output_list)
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#function(get_target_includes output_list)
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