blob: 3ac7633488833b8c995bf33481a8301f5c8f7cc6 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
# SPDX-License-Identifier: GPL-2.0
#
# CMake macros to build and install Linux kernel modules
# Copyright (C) 2020 Manuel Bentele <development@manuel-bentele.de>
#
# macro to define kernel module targets
macro(add_kernel_module MODULE_NAME KERNEL_DIR MODULE_MACRO MODULE_SOURCE_FILES MODULE_HEADER_FILES BUILD_SOURCE_FILE)
# copy build source file
file(COPY ${BUILD_SOURCE_FILE} DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME})
# copy source files
foreach(MODULE_SOURCE_FILE ${MODULE_SOURCE_FILES})
file(COPY ${MODULE_SOURCE_FILE} DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME})
endforeach()
# copy header files
foreach(MODULE_HEADER_FILE ${MODULE_HEADER_FILES})
file(COPY ${MODULE_HEADER_FILE} DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME})
endforeach()
# check if module depends on another module
if(NOT ${ARGV6} STREQUAL "")
set(MODULE_EXTRA_SYMBOLS ${CMAKE_CURRENT_BINARY_DIR}/${ARGV6}/Module.symvers)
endif()
# define build command
set(MODULE_BUILD_COMMAND ${CMAKE_MAKE_PROGRAM} ${MODULE_MACRO}
-C ${KERNEL_DIR}/build
M=${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME} modules
EXTRA_CFLAGS=${KERNEL_C_FLAGS}
KBUILD_EXTRA_SYMBOLS=${MODULE_EXTRA_SYMBOLS})
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME}/${MODULE_NAME}.ko
COMMAND ${MODULE_BUILD_COMMAND}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME}
DEPENDS ${MODULE_SOURCE_FILES} ${MODULE_HEADER_FILES} ${BUILD_SOURCE_FILE}
VERBATIM)
add_custom_target(${MODULE_NAME} ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME}/${MODULE_NAME}.ko ${ARGV6})
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME}/${MODULE_NAME}.ko
DESTINATION ${KERNEL_DIR}/extra
PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
COMPONENT main)
endmacro(add_kernel_module)
|
