diff options
Diffstat (limited to 'remote/modules/kernel')
-rw-r--r-- | remote/modules/kernel/module.build | 151 | ||||
-rw-r--r-- | remote/modules/kernel/module.conf | 3 | ||||
-rw-r--r-- | remote/modules/kernel/module.conf.opensuse | 2 | ||||
-rw-r--r-- | remote/modules/kernel/module.conf.ubuntu | 2 | ||||
-rw-r--r-- | remote/modules/kernel/module.conf.ubuntu.13.04 | 2 |
5 files changed, 160 insertions, 0 deletions
diff --git a/remote/modules/kernel/module.build b/remote/modules/kernel/module.build new file mode 100644 index 00000000..fdc7e9ff --- /dev/null +++ b/remote/modules/kernel/module.build @@ -0,0 +1,151 @@ +get_kernel_version() { + # determine kernel version that will be running in the generated system + if [ -e "$MODULES_DIR/kernel/ksrc/include/generated/utsrelease.h" ]; then + # declare kernel version stuff + declare -rg SYS_UTS_RELEASE=$(grep 'UTS_RELEASE' "$MODULES_DIR/kernel/ksrc/include/generated/utsrelease.h" | awk -F '"' '{print $2}') + declare -rg SYS_KERNEL=$(echo "$SYS_UTS_RELEASE" | grep -o -E '^[0-9\.]+') + declare -rg KERNEL_NEW_VERSION="$SYS_UTS_RELEASE" + + # declare path to kernel headers and modules/firmware + declare -rg KERNEL_HEADERS_PATH="$MODULES_DIR/kernel/ksrc" + declare -rg KERNEL_BASE_DIR="$MODULES_DIR/kernel/build" + fi + + # print debug info + pdebug "SYS_UTS_RELEASE: '$SYS_UTS_RELEASE'" + pdebug "SYS_KERNEL: '$SYS_KERNEL'" + pdebug "KERNEL_NEW_VERSION: '$KERNEL_NEW_VERSION'" + pdebug "KERNEL_BASE_DIR: '$KERNEL_BASE_DIR'" + + # check the headers/src path +} + +fetch_source() { + pdebug "getting kernel sources via git ...." + [ -d ./ksrc ] && rm -rf ./ksrc # slightly brutal ... + git clone --depth 1 ${REQUIRED_GIT} ksrc || perror "Could not clone kernel git." + # check for aufs + local RSL=$(find ksrc/ -type d -name aufs) + if [ -z "$RSL" ]; then + pinfo "aufs not found in kernel sources, patching it..." + patch_aufs + else + pinfo "aufs detected in kernel source :)" + fi + # remember the current kernel version + echo "${KERNEL_CURRENT_VERSION}" > ksrc/KVERSION +} + +build() { + local TARGET_CONFIG_FILE="openslx.config" + [ -e "${TARGET_CONFIG_FILE}" ] && rm -f "${TARGET_CONFIG_FILE}" + # update config and copy to ksrc + pinfo "Updating kernel config..." + update_config + cp "${TARGET_CONFIG_FILE}" ksrc/.config + # make kernel with the new config + cd ksrc || perror "Could not cd to ksrc, was the kernel source fetched properly?" + pinfo "Preparing kernel for new config ('make oldconfig')." + if [ "x$MLTK_QUIET" = "x1" ]; then + yes "" | make oldconfig || perror "make oldconfig failed." + else + make oldconfig || perror "make oldconfig failed." + fi + make prepare || perror "make prepare failed." + make scripts || perror "make scripts failed." + + pinfo "Compiling kernel... (this will take some time)" + if gcc --version | grep "4\.7" && which distcc; then + pinfo "USING DISTCC" + make CC="distcc gcc-4.7" -j16 || perror "make failed." + else + # explicitly state number of cores here, as MAKEFLAGS seems to be overridden + make "-j$CPU_CORES" || perror "make failed." + fi + + # install modules to build directory + pinfo "Installing kernel modules..." + if [ -d "${MODULE_BUILD_DIR}/lib/modules" ]; then + rm -r "${MODULE_BUILD_DIR}/lib/modules" || pwarning "Could not clean old modules." + fi + make INSTALL_MOD_PATH="${MODULE_BUILD_DIR}" INSTALL_MOD_STRIP=1 modules_install || perror "make modules_install failed in ${MODULE_BUILD_DIR}." + cd - 2> /dev/null + + # copy kernel to build + cp ksrc/arch/x86/boot/bzImage "${MODULE_BUILD_DIR}/${KERNEL_TARGET_NAME}" + pinfo "Kernel was successfully built at ${MODULE_BUILD_DIR}/${KERNEL_TARGET_NAME}" + [ -z "${KERNEL_BUILD_DIR}" ] && KERNEL_BUILD_DIR="${MODULE_BUILD_DIR}" +} + +post_copy() { + mkdir -p "$TARGET_BUILD_DIR/../kernel" + cp -a "$MODULE_BUILD_DIR/kernel" "$TARGET_BUILD_DIR/../kernel/kernel" || perror "could not copy kernel to remote build dir." +} + +# helper function to update the current kernel config with our parameters +update_config() { + + # first we need to update the current config + local BASE_CONFIG_FILE="/boot/config-$(uname -r)" + [ -e "${BASE_CONFIG_FILE}" ] || perror "$BASE_CONFIG_FILE could not be found! This should not happen." + + # check for our wanted config parameter + local OPENSLX_WANTED_CONFIG="${ROOT_DIR}/data/kernel.wanted.config" + + [ -e "${OPENSLX_WANTED_CONFIG}" ] || perror "$OPENSLX_WANTED_CONFIG does not exist! Please add a list of wanted kernel config parameters." + + # copy basic config file + cp "$BASE_CONFIG_FILE" "$TARGET_CONFIG_FILE" + + for WANTED_CONFIG in $(cat $OPENSLX_WANTED_CONFIG|sort -u); do + local CONFIG_PARAM_NAME="$(echo $WANTED_CONFIG | awk -F "=" '{print $1}')" + local SEARCH_RESULT="$(grep -E "^\s*$(echo "$CONFIG_PARAM_NAME" | escape_search)=" "$BASE_CONFIG_FILE")" + + #echo "Process: $SEARCH_RESULT" + # analyse results + if [ "x$SEARCH_RESULT" == "x" ]; then + # no match, add it + sed -i -r "s/^\s*#.*\s$(echo "$CONFIG_PARAM_NAME" | escape_search)[^_A-Z0-9].*$//" "$TARGET_CONFIG_FILE" + echo "$WANTED_CONFIG" >> "$TARGET_CONFIG_FILE" + else + # match, change to our setting if they differ + if [ "x$SEARCH_RESULT" != "x$WANTED_CONFIG" ]; then + sed -i "s/$(echo "$SEARCH_RESULT" | escape_search)/$(echo "$WANTED_CONFIG" | escape_replace)/" "$TARGET_CONFIG_FILE" + fi + fi + done +} + +# helper to patch aufs +patch_aufs() { + pinfo "Cloning aufs3 standalone git" + cd "$MODULE_DIR" + [ -d "aufs3-standalone/.git" ] && rm -rf "aufs3-standalone" # if already there, kill it. + # git: --depth 1 won't work here due to later "checkout origin/branch" + git clone "git://aufs.git.sourceforge.net/gitroot/aufs/aufs3-standalone.git" || perror "Cloning aufs3 failed." + # get the needed version + [ ! -z ${KERNEL_CURRENT_VERSION} ] && local NEEDED_BRANCH=$(echo $KERNEL_CURRENT_VERSION | awk -F "." '{print $1"."$2}') \ + || perror "KERNEL_CURRENT_VERSION not set, this should not happen!" + pinfo "Getting branch origin/$NEEDED_BRANCH" + cd "$MODULE_DIR/aufs3-standalone" || perror "Could not CD to aufs3-standalone" + git checkout "origin/aufs$NEEDED_BRANCH" || perror "Could not checkout needed branch." + pinfo "Starting to patch... $NEEDED_BRANCH" + tarcopy "Documentation fs" "$MODULE_DIR/ksrc" + + # Quick-and-dirty aufs_type.h copying: + [ -e "include/linux/aufs_type.h" ] && cp "include/linux/aufs_type.h" "$MODULE_DIR/ksrc/include/linux/" + [ -e "include/uapi/linux/aufs_type.h" ] && cp "include/uapi/linux/aufs_type.h" "$MODULE_DIR/ksrc/include/uapi/linux/" + + cd "$MODULE_DIR/ksrc" || perror "Could not CD to kernel-source dir ksrc" + + patch -p1 < "$MODULE_DIR/aufs3-standalone/aufs3-kbuild.patch" || perror "aufs3-standalone/aufs3-kbuild.patch failed!" + patch -p1 < "$MODULE_DIR/aufs3-standalone/aufs3-base.patch" || perror "aufs3-standalone/aufs3-base.patch failed!" + + # this following 'if' is a burning shame - caused as patching under eg. openSuse 13.1 is always unsuccessful due to hunk failing + if [ -f "$MODULE_DIR/aufs3-standalone/aufs3-mmap.patch" ]; then + patch -p1 < "$MODULE_DIR/aufs3-standalone/aufs3-mmap.patch" || pwarning "Problem patching aufs3-mmap.patch: hunks failed?" + fi + pinfo "Patched kernel source with aufs-${NEEDED_BRANCH}" + cd "$MODULE_DIR" +} + diff --git a/remote/modules/kernel/module.conf b/remote/modules/kernel/module.conf new file mode 100644 index 00000000..0cd03752 --- /dev/null +++ b/remote/modules/kernel/module.conf @@ -0,0 +1,3 @@ +REQUIRED_BINARIES="" +REQUIRED_LIBRARIES="" +REQUIRED_DIRECTORIES="" diff --git a/remote/modules/kernel/module.conf.opensuse b/remote/modules/kernel/module.conf.opensuse new file mode 100644 index 00000000..a66564fe --- /dev/null +++ b/remote/modules/kernel/module.conf.opensuse @@ -0,0 +1,2 @@ +REQUIRED_GIT_BRANCH="-b openSUSE-${SYS_VERSION}" +REQUIRED_GIT="git://kernel.opensuse.org/kernel.git $REQUIRED_GIT_BRANCH" diff --git a/remote/modules/kernel/module.conf.ubuntu b/remote/modules/kernel/module.conf.ubuntu new file mode 100644 index 00000000..1c876d15 --- /dev/null +++ b/remote/modules/kernel/module.conf.ubuntu @@ -0,0 +1,2 @@ +REQUIRED_GIT_BRANCH="-b master" +REQUIRED_GIT="git://kernel.ubuntu.com/ubuntu/ubuntu-${SYS_CODENAME}.git $REQUIRED_GIT_BRANCH" diff --git a/remote/modules/kernel/module.conf.ubuntu.13.04 b/remote/modules/kernel/module.conf.ubuntu.13.04 new file mode 100644 index 00000000..e9192f01 --- /dev/null +++ b/remote/modules/kernel/module.conf.ubuntu.13.04 @@ -0,0 +1,2 @@ +REQUIRED_GIT_BRANCH="-b master" +REQUIRED_GIT="git://kernel.ubuntu.com/ubuntu-archive/ubuntu-${SYS_CODENAME}.git $REQUIRED_GIT_BRANCH" |