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| author | Manuel Bentele | 2020-09-09 16:53:48 +0200 |
|---|---|---|
| committer | Manuel Bentele | 2020-09-16 07:37:56 +0200 |
| commit | 87c9cd859ca10ccbe109e09fe01a03b08932a887 (patch) | |
| tree | 31bdd21158857dcecbf91d85b1e5ade62033d8f2 /kernel/CMakeLists.txt | |
| parent | Added patched losetup utility to configure xloop devices (diff) | |
| download | xloop-87c9cd859ca10ccbe109e09fe01a03b08932a887.tar.gz xloop-87c9cd859ca10ccbe109e09fe01a03b08932a887.tar.xz xloop-87c9cd859ca10ccbe109e09fe01a03b08932a887.zip | |
Added CMake files to build xloop kernel modules and xlosetup utility
Diffstat (limited to 'kernel/CMakeLists.txt')
| -rw-r--r-- | kernel/CMakeLists.txt | 71 |
1 files changed, 70 insertions, 1 deletions
diff --git a/kernel/CMakeLists.txt b/kernel/CMakeLists.txt index 3c91af4..c850f0a 100644 --- a/kernel/CMakeLists.txt +++ b/kernel/CMakeLists.txt @@ -1,4 +1,73 @@ -cmake_minimum_required(VERSION 3.10) +cmake_minimum_required(VERSION 3.12) # set the project name project(xloop-kernel) + +set (CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${CMAKE_CURRENT_SOURCE_DIR}/cmake") +include(kernel) + +# set Linux kernel directory +set(KERNEL_DIR "/lib/modules/${CMAKE_SYSTEM_VERSION}" + CACHE PATH "Path to kernel sources to compile against") + +# define xloop device specific options +set(BLK_DEV_XLOOP_MIN_COUNT 8 + CACHE STRING "Number of xloop devices to pre-create at init time") +set(XLOOP_MAJOR 120 + CACHE STRING "Major number for xloop devices") + +# print configured settings +message(STATUS "Kernel module path is " ${KERNEL_DIR}) +message(STATUS "Number of xloop devices to pre-create at init time is " ${BLK_DEV_XLOOP_MIN_COUNT}) +message(STATUS "Major number for xloop devices is " ${XLOOP_MAJOR}) + +# set C flags for a Linux kernel module +set(KERNEL_C_FLAGS "-DCONFIG_BLK_DEV_XLOOP_MIN_COUNT=${BLK_DEV_XLOOP_MIN_COUNT} -DXLOOP_MAJOR=${XLOOP_MAJOR}" + CACHE STRING "C flags to be used for building the kernel module") +# set C flags for the debug mode of a Linux kernel module +set(KERNEL_C_FLAGS_DEBUG "-g -DDEBUG" + CACHE STRING "Additional C flags to be used for building the kernel module in debug mode") + +# append debug C flags if debug mode is enabled +if(CMAKE_BUILD_TYPE MATCHES Debug) + set(KERNEL_C_FLAGS "${KERNEL_C_FLAGS} ${KERNEL_C_FLAGS_DEBUG}") +endif(CMAKE_BUILD_TYPE MATCHES Debug) + +# preparation of the Kbuild file +add_kernel_build(prepare ${CMAKE_CURRENT_SOURCE_DIR}/Kbuild) + +# xloop main Linux kernel module +set(KERNEL_MODULE_XLOOP_SOURCE_FILES ${CMAKE_CURRENT_SOURCE_DIR}/loop_file_fmt.c + ${CMAKE_CURRENT_SOURCE_DIR}/loop_main.c) +set(KERNEL_MODULE_XLOOP_HEADER_FILES ${CMAKE_CURRENT_SOURCE_DIR}/loop_file_fmt.h + ${CMAKE_CURRENT_SOURCE_DIR}/loop_main.h + ${CMAKE_CURRENT_SOURCE_DIR}/uapi) +add_kernel_module(xloop "${KERNEL_DIR}" + "CONFIG_BLK_DEV_XLOOP=m" + "${KERNEL_MODULE_XLOOP_SOURCE_FILES}" + "${KERNEL_MODULE_XLOOP_HEADER_FILES}" + ${CMAKE_CURRENT_BINARY_DIR}/Kbuild) + +# xloop_file_fmt_raw Linux kernel module +set(KERNEL_MODULE_XLOOP_RAW_SOURCE_FILES ${CMAKE_CURRENT_SOURCE_DIR}/loop_file_fmt_raw.c) +set(KERNEL_MODULE_XLOOP_RAW_HEADER_FILES ) +add_kernel_module(loop_file_fmt_raw "${KERNEL_DIR}" + "CONFIG_BLK_DEV_XLOOP_FILE_FMT_RAW=m" + "${KERNEL_MODULE_XLOOP_RAW_SOURCE_FILES}" + "${KERNEL_MODULE_XLOOP_RAW_HEADER_FILES}" + ${CMAKE_CURRENT_BINARY_DIR}/Kbuild + xloop) + +# xloop_file_fmt_qcow Linux kernel module +set(KERNEL_MODULE_XLOOP_QCOW_SOURCE_FILES ${CMAKE_CURRENT_SOURCE_DIR}/loop_file_fmt_qcow_cache.c + ${CMAKE_CURRENT_SOURCE_DIR}/loop_file_fmt_qcow_cluster.c + ${CMAKE_CURRENT_SOURCE_DIR}/loop_file_fmt_qcow_main.c) +set(KERNEL_MODULE_XLOOP_QCOW_HEADER_FILES ${CMAKE_CURRENT_SOURCE_DIR}/loop_file_fmt_qcow_cache.h + ${CMAKE_CURRENT_SOURCE_DIR}/loop_file_fmt_qcow_cluster.h + ${CMAKE_CURRENT_SOURCE_DIR}/loop_file_fmt_qcow_main.h) +add_kernel_module(loop_file_fmt_qcow "${KERNEL_DIR}" + "CONFIG_BLK_DEV_XLOOP_FILE_FMT_QCOW=m" + "${KERNEL_MODULE_XLOOP_QCOW_SOURCE_FILES}" + "${KERNEL_MODULE_XLOOP_QCOW_HEADER_FILES}" + ${CMAKE_CURRENT_BINARY_DIR}/Kbuild + xloop) |