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Add cpuid Linux kernel module for ARM CPUs

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The Tumultuous Unicorn Of Darkness 2024-07-10 20:16:19 +02:00
commit 371a9648d6
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9 changed files with 371 additions and 3 deletions
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38
drivers/arm/linux/CMakeLists.txt Normal file
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@ -0,0 +1,38 @@
set(DRIVER_NAME "cpuid")
option(LIBCPUID_DRIVER_ARM_LINUX_DKMS "Use DKMS for CPUID kernel module for ARM" ON)
if(LIBCPUID_DRIVER_ARM_LINUX_DKMS)
message(STATUS "Deploying DKMS configuration for CPUID kernel module...")
set(LIBCPUID_SRC_DIR "/usr/src/${CMAKE_PROJECT_NAME}-${PROJECT_VERSION}")
configure_file(dkms.conf.in "${CMAKE_CURRENT_BINARY_DIR}/dkms.conf")
configure_file(Makefile.in "${CMAKE_CURRENT_BINARY_DIR}/Makefile_dkms")
install(FILES
cpuid.c
"${CMAKE_SOURCE_DIR}/libcpuid/libcpuid_arm_driver.h"
"${CMAKE_CURRENT_BINARY_DIR}/dkms.conf"
DESTINATION "${LIBCPUID_SRC_DIR}/"
)
install(FILES
"${CMAKE_CURRENT_BINARY_DIR}/Makefile_dkms"
DESTINATION "${LIBCPUID_SRC_DIR}"
RENAME "Makefile"
)
else(LIBCPUID_DRIVER_ARM_LINUX_DKMS)
find_package(LinuxKernelHeaders REQUIRED)
set(DRIVER_SOURCE "${DRIVER_NAME}.c")
set(DRIVER_OBJECT "${DRIVER_NAME}.o")
set(DRIVER_MODULE "${DRIVER_NAME}.ko")
set(KBUILD_CMD "${CMAKE_MAKE_PROGRAM}" EXTRA_CFLAGS="-I${CMAKE_SOURCE_DIR}/libcpuid" -C "${KERNELHEADERS_DIR}" "src=${CMAKE_CURRENT_SOURCE_DIR}" "M=${CMAKE_CURRENT_BINARY_DIR}")
add_custom_command(OUTPUT "${DRIVER_MODULE}"
COMMAND ${KBUILD_CMD} modules
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
DEPENDS "${DRIVER_SOURCE}"
COMMENT "Building CPUID kernel module for ARM..."
VERBATIM
)
add_custom_target(driver-arm-cpuid ALL DEPENDS "${DRIVER_MODULE}")
endif(LIBCPUID_DRIVER_ARM_LINUX_DKMS)