init commit
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stubbfel
12
.gitignore
vendored
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12
.gitignore
vendored
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### CMake ###
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CMakeCache.txt
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CMakeFiles
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CMakeScripts
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Testing
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Makefile
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cmake_install.cmake
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install_manifest.txt
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compile_commands.json
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CTestTestfile.cmake
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build
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CMakeLists.txt.user
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101
BuildKernelModule.cmake
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101
BuildKernelModule.cmake
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# convert module source/object files to module object string
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function(get_module_objects module_name input_files output_string)
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foreach(module_file ${input_files})
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# only files with extension .c and .o are valid
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string(REGEX MATCH "^.+\\.[oc]$" 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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# convert include folders of current cmake source folder to ccflags strings
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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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# convert compile definitions of current cmake source folder to ccflags strings
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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} ${module_definitions_string} PARENT_SCOPE)
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endfunction()
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# create content of the Kbuild file
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function(module_kbuild module_name module_files output_string)
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get_module_objects("${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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# Add an kernel module to the project using the specified source files and kernel build enviroment.
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function(add_module module_name module_files kernel_dir)
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# set build path
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set(module_build_path "${PROJECT_BINARY_DIR}/${module_name}")
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# create KBuild file
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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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# create copy script, wich copy source files to binary folder with folder structur
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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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# define make modules command
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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 ${module_name}:
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${CMAKE_MAKE_PROGRAM} -C ${kernel_dir} M=${module_build_path} modules KBUILD_EXTRA_SYMBOLS=${module_build_path}/Module.symvers
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Kbuild:
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${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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# define copy files command
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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} ${module_include_dirs}
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VERBATIM)
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# define command target
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ADD_CUSTOM_TARGET("${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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22
LICENSE.md
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22
LICENSE.md
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MIT License
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Copyright (c) 2018 stubbfel
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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