new file mode 100644
@@ -0,0 +1,134 @@
+# Support for device tree generation
+python () {
+ if not bb.data.inherits_class('nopackages', d):
+ d.appendVar("PACKAGES", " ${KERNEL_PACKAGE_NAME}-devicetree")
+ if d.getVar('KERNEL_DEVICETREE_BUNDLE') == '1':
+ d.appendVar("PACKAGES", " ${KERNEL_PACKAGE_NAME}-image-zimage-bundle")
+}
+
+# recursivly search for devicetree files
+def find_device_trees(d):
+ import glob
+ import os
+
+ file_paths = []
+ dest_dir = d.getVar('D')
+ full_dtb_dir = dest_dir + '/' + d.getVar('KERNEL_DTBDEST')
+
+ for file in glob.glob(full_dtb_dir + '/**/*.dtb*', recursive=True):
+ file_paths.append('/' + os.path.relpath(file, dest_dir))
+
+ return ' '.join(file_paths)
+
+FILES:${KERNEL_PACKAGE_NAME}-devicetree = "${@find_device_trees(d)}"
+FILES:${KERNEL_PACKAGE_NAME}-image-zimage-bundle = "/${KERNEL_IMAGEDEST}/zImage-*.dtb.bin"
+
+# Generate kernel+devicetree bundle
+KERNEL_DEVICETREE_BUNDLE ?= "0"
+
+# dtc flags passed via DTC_FLAGS env variable
+KERNEL_DTC_FLAGS ?= ""
+
+normalize_dtb () {
+ dtb="$1"
+ if echo $dtb | grep -q '/dts/'; then
+ bbwarn "$dtb contains the full path to the the dts file, but only the dtb name should be used."
+ dtb=`basename $dtb | sed 's,\.dts$,.dtb,g'`
+ fi
+ echo "$dtb"
+}
+
+get_real_dtb_path_in_kernel () {
+ dtb="$1"
+ dtb_path="${B}/arch/${ARCH}/boot/dts/$dtb"
+ if [ ! -e "$dtb_path" ]; then
+ dtb_path="${B}/arch/${ARCH}/boot/$dtb"
+ fi
+ echo "$dtb_path"
+}
+
+do_configure:append() {
+ if [ "${KERNEL_DEVICETREE_BUNDLE}" = "1" ]; then
+ if echo ${KERNEL_IMAGETYPE_FOR_MAKE} | grep -q 'zImage'; then
+ case "${ARCH}" in
+ "arm")
+ config="${B}/.config"
+ if ! grep -q 'CONFIG_ARM_APPENDED_DTB=y' $config; then
+ bbwarn 'CONFIG_ARM_APPENDED_DTB is NOT enabled in the kernel. Enabling it to allow the kernel to boot with the Device Tree appended!'
+ sed -i "/CONFIG_ARM_APPENDED_DTB[ =]/d" $config
+ echo "CONFIG_ARM_APPENDED_DTB=y" >> $config
+ echo "# CONFIG_ARM_ATAG_DTB_COMPAT is not set" >> $config
+ fi
+ ;;
+ *)
+ bberror "KERNEL_DEVICETREE_BUNDLE is not supported for ${ARCH}. Currently it is only supported for 'ARM'."
+ esac
+ else
+ bberror 'The KERNEL_DEVICETREE_BUNDLE requires the KERNEL_IMAGETYPE to contain zImage.'
+ fi
+ fi
+}
+
+do_compile:append() {
+ if [ -n "${KERNEL_DTC_FLAGS}" ]; then
+ export DTC_FLAGS="${KERNEL_DTC_FLAGS}"
+ fi
+
+ for dtbf in ${KERNEL_DEVICETREE}; do
+ dtb=`normalize_dtb "$dtbf"`
+ oe_runmake $dtb CC="${KERNEL_CC} $cc_extra " LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS}
+ done
+}
+
+do_install:append() {
+ install -d ${D}/${KERNEL_DTBDEST}
+ for dtbf in ${KERNEL_DEVICETREE}; do
+ dtb=`normalize_dtb "$dtbf"`
+ dtb_path=`get_real_dtb_path_in_kernel "$dtb"`
+ if "${@'false' if oe.types.boolean(d.getVar('KERNEL_DTBVENDORED')) else 'true'}"; then
+ dtb_ext=${dtb##*.}
+ dtb_base_name=`basename $dtb .$dtb_ext`
+ dtb=$dtb_base_name.$dtb_ext
+ fi
+ install -Dm 0644 $dtb_path ${D}/${KERNEL_DTBDEST}/$dtb
+ done
+}
+
+do_deploy:append() {
+ for dtbf in ${KERNEL_DEVICETREE}; do
+ dtb=`normalize_dtb "$dtbf"`
+ dtb_ext=${dtb##*.}
+ dtb_base_name=`basename $dtb .$dtb_ext`
+ install -d $deployDir
+ if "${@'false' if oe.types.boolean(d.getVar('KERNEL_DTBVENDORED')) else 'true'}"; then
+ dtb=$dtb_base_name.$dtb_ext
+ fi
+ install -m 0644 ${D}/${KERNEL_DTBDEST}/$dtb $deployDir/$dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext
+ if [ "${KERNEL_IMAGETYPE_SYMLINK}" = "1" ] ; then
+ ln -sf $dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext $deployDir/$dtb_base_name.$dtb_ext
+ fi
+ if [ -n "${KERNEL_DTB_LINK_NAME}" ] ; then
+ ln -sf $dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext $deployDir/$dtb_base_name-${KERNEL_DTB_LINK_NAME}.$dtb_ext
+ fi
+ for type in ${KERNEL_IMAGETYPE_FOR_MAKE}; do
+ if [ "$type" = "zImage" ] && [ "${KERNEL_DEVICETREE_BUNDLE}" = "1" ]; then
+ cat ${D}/${KERNEL_IMAGEDEST}/$type \
+ $deployDir/$dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext \
+ > $deployDir/$type-$dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext${KERNEL_DTB_BIN_EXT}
+ if [ -n "${KERNEL_DTB_LINK_NAME}" ]; then
+ ln -sf $type-$dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext${KERNEL_DTB_BIN_EXT} \
+ $deployDir/$type-$dtb_base_name-${KERNEL_DTB_LINK_NAME}.$dtb_ext${KERNEL_DTB_BIN_EXT}
+ fi
+ if [ -e "${KERNEL_OUTPUT_DIR}/${type}.initramfs" ]; then
+ cat ${KERNEL_OUTPUT_DIR}/${type}.initramfs \
+ $deployDir/$dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext \
+ > $deployDir/${type}-${INITRAMFS_NAME}-$dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext${KERNEL_DTB_BIN_EXT}
+ if [ -n "${KERNEL_DTB_LINK_NAME}" ]; then
+ ln -sf ${type}-${INITRAMFS_NAME}-$dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext${KERNEL_DTB_BIN_EXT} \
+ $deployDir/${type}-${INITRAMFS_NAME}-$dtb_base_name-${KERNEL_DTB_LINK_NAME}.$dtb_ext${KERNEL_DTB_BIN_EXT}
+ fi
+ fi
+ fi
+ done
+ done
+}
new file mode 100644
@@ -0,0 +1,837 @@
+inherit linux-kernel-base kernel-module-split
+
+COMPATIBLE_HOST = ".*-linux"
+
+KERNEL_PACKAGE_NAME ??= "kernel"
+KERNEL_DEPLOYSUBDIR ??= "${@ "" if (d.getVar("KERNEL_PACKAGE_NAME") == "kernel") else d.getVar("KERNEL_PACKAGE_NAME") }"
+
+PROVIDES += "virtual/kernel"
+DEPENDS += "virtual/${TARGET_PREFIX}binutils virtual/${TARGET_PREFIX}gcc kmod-native bc-native bison-native"
+DEPENDS += "${@bb.utils.contains("INITRAMFS_FSTYPES", "cpio.lzo", "lzop-native", "", d)}"
+DEPENDS += "${@bb.utils.contains("INITRAMFS_FSTYPES", "cpio.lz4", "lz4-native", "", d)}"
+DEPENDS += "${@bb.utils.contains("INITRAMFS_FSTYPES", "cpio.zst", "zstd-native", "", d)}"
+PACKAGE_WRITE_DEPS += "depmodwrapper-cross"
+
+do_deploy[depends] += "depmodwrapper-cross:do_populate_sysroot gzip-native:do_populate_sysroot"
+do_clean[depends] += "make-mod-scripts:do_clean"
+
+CVE_PRODUCT ?= "linux_kernel"
+
+S = "${STAGING_KERNEL_DIR}"
+B = "${WORKDIR}/build"
+KBUILD_OUTPUT = "${B}"
+OE_TERMINAL_EXPORTS += "KBUILD_OUTPUT"
+
+# we include gcc above, we dont need virtual/libc
+INHIBIT_DEFAULT_DEPS = "1"
+
+KERNEL_IMAGETYPE ?= "zImage"
+INITRAMFS_IMAGE ?= ""
+INITRAMFS_IMAGE_NAME ?= "${@['${INITRAMFS_IMAGE}-${MACHINE}', ''][d.getVar('INITRAMFS_IMAGE') == '']}"
+INITRAMFS_TASK ?= ""
+INITRAMFS_IMAGE_BUNDLE ?= ""
+INITRAMFS_DEPLOY_DIR_IMAGE ?= "${DEPLOY_DIR_IMAGE}"
+INITRAMFS_MULTICONFIG ?= ""
+
+# KERNEL_VERSION is extracted from source code. It is evaluated as
+# None for the first parsing, since the code has not been fetched.
+# After the code is fetched, it will be evaluated as real version
+# number and cause kernel to be rebuilt. To avoid this, make
+# KERNEL_VERSION_NAME and KERNEL_VERSION_PKG_NAME depend on
+# LINUX_VERSION which is a constant.
+KERNEL_VERSION_NAME = "${@d.getVar('KERNEL_VERSION') or ""}"
+KERNEL_VERSION_NAME[vardepvalue] = "${LINUX_VERSION}"
+KERNEL_VERSION_PKG_NAME = "${@legitimize_package_name(d.getVar('KERNEL_VERSION'))}"
+KERNEL_VERSION_PKG_NAME[vardepvalue] = "${LINUX_VERSION}"
+
+python __anonymous () {
+ pn = d.getVar("PN")
+ kpn = d.getVar("KERNEL_PACKAGE_NAME")
+
+ # XXX Remove this after bug 11905 is resolved
+ # FILES:${KERNEL_PACKAGE_NAME}-dev doesn't expand correctly
+ if kpn == pn:
+ bb.warn("Some packages (E.g. *-dev) might be missing due to "
+ "bug 11905 (variable KERNEL_PACKAGE_NAME == PN)")
+
+ # The default kernel recipe builds in a shared location defined by
+ # bitbake/distro confs: STAGING_KERNEL_DIR and STAGING_KERNEL_BUILDDIR.
+ # Set these variables to directories under ${WORKDIR} in alternate
+ # kernel recipes (I.e. where KERNEL_PACKAGE_NAME != kernel) so that they
+ # may build in parallel with the default kernel without clobbering.
+ if kpn != "kernel":
+ workdir = d.getVar("WORKDIR")
+ sourceDir = os.path.join(workdir, 'kernel-source')
+ artifactsDir = os.path.join(workdir, 'kernel-build-artifacts')
+ d.setVar("STAGING_KERNEL_DIR", sourceDir)
+ d.setVar("STAGING_KERNEL_BUILDDIR", artifactsDir)
+
+ # Merge KERNEL_IMAGETYPE and KERNEL_ALT_IMAGETYPE into KERNEL_IMAGETYPES
+ type = d.getVar('KERNEL_IMAGETYPE') or ""
+ alttype = d.getVar('KERNEL_ALT_IMAGETYPE') or ""
+ types = d.getVar('KERNEL_IMAGETYPES') or ""
+ if type not in types.split():
+ types = (type + ' ' + types).strip()
+ if alttype not in types.split():
+ types = (alttype + ' ' + types).strip()
+ d.setVar('KERNEL_IMAGETYPES', types)
+
+ # KERNEL_IMAGETYPES may contain a mixture of image types supported directly
+ # by the kernel build system and types which are created by post-processing
+ # the output of the kernel build system (e.g. compressing vmlinux ->
+ # vmlinux.gz in kernel_vendor_dtb_do_transform_kernel()).
+ # KERNEL_IMAGETYPE_FOR_MAKE should contain only image types supported
+ # directly by the kernel build system.
+ if not d.getVar('KERNEL_IMAGETYPE_FOR_MAKE'):
+ typeformake = set()
+ for type in types.split():
+ if type == 'vmlinux.gz':
+ type = 'vmlinux'
+ typeformake.add(type)
+
+ d.setVar('KERNEL_IMAGETYPE_FOR_MAKE', ' '.join(sorted(typeformake)))
+
+ kname = d.getVar('KERNEL_PACKAGE_NAME') or "kernel"
+ imagedest = d.getVar('KERNEL_IMAGEDEST')
+
+ for type in types.split():
+ if bb.data.inherits_class('nopackages', d):
+ continue
+ typelower = type.lower()
+ d.appendVar('PACKAGES', ' %s-image-%s' % (kname, typelower))
+ d.setVar('FILES:' + kname + '-image-' + typelower, '/' + imagedest + '/' + type + '-${KERNEL_VERSION_NAME}' + ' /' + imagedest + '/' + type)
+ d.appendVar('RDEPENDS:%s-image' % kname, ' %s-image-%s (= ${EXTENDPKGV})' % (kname, typelower))
+ splitmods = d.getVar("KERNEL_SPLIT_MODULES")
+ if splitmods != '1':
+ d.appendVar('RDEPENDS:%s-image' % kname, ' %s-modules (= ${EXTENDPKGV})' % kname)
+ d.appendVar('RDEPENDS:%s-image-%s' % (kname, typelower), ' %s-modules-${KERNEL_VERSION_PKG_NAME} (= ${EXTENDPKGV})' % kname)
+ d.setVar('PKG:%s-modules' % kname, '%s-modules-${KERNEL_VERSION_PKG_NAME}' % kname)
+ d.appendVar('RPROVIDES:%s-modules' % kname, '%s-modules-${KERNEL_VERSION_PKG_NAME}' % kname)
+
+ d.setVar('PKG:%s-image-%s' % (kname,typelower), '%s-image-%s-${KERNEL_VERSION_PKG_NAME}' % (kname, typelower))
+ d.setVar('ALLOW_EMPTY:%s-image-%s' % (kname, typelower), '1')
+ d.setVar('pkg_postinst:%s-image-%s' % (kname,typelower), """set +e
+if [ -n "$D" ]; then
+ ln -sf %s-${KERNEL_VERSION} $D/${KERNEL_IMAGEDEST}/%s > /dev/null 2>&1
+else
+ ln -sf %s-${KERNEL_VERSION} ${KERNEL_IMAGEDEST}/%s > /dev/null 2>&1
+ if [ $? -ne 0 ]; then
+ echo "Filesystem on ${KERNEL_IMAGEDEST}/ doesn't support symlinks, falling back to copied image (%s)."
+ install -m 0644 ${KERNEL_IMAGEDEST}/%s-${KERNEL_VERSION} ${KERNEL_IMAGEDEST}/%s
+ fi
+fi
+set -e
+""" % (type, type, type, type, type, type, type))
+ d.setVar('pkg_postrm:%s-image-%s' % (kname,typelower), """set +e
+if [ -f "${KERNEL_IMAGEDEST}/%s" -o -L "${KERNEL_IMAGEDEST}/%s" ]; then
+ rm -f ${KERNEL_IMAGEDEST}/%s > /dev/null 2>&1
+fi
+set -e
+""" % (type, type, type))
+
+
+ image = d.getVar('INITRAMFS_IMAGE')
+ # If the INTIRAMFS_IMAGE is set but the INITRAMFS_IMAGE_BUNDLE is set to 0,
+ # the do_bundle_initramfs does nothing, but the INITRAMFS_IMAGE is built
+ # standalone for use by wic and other tools.
+ if image:
+ if d.getVar('INITRAMFS_MULTICONFIG'):
+ d.appendVarFlag('do_bundle_initramfs', 'mcdepends', ' mc::${INITRAMFS_MULTICONFIG}:${INITRAMFS_IMAGE}:do_image_complete')
+ else:
+ d.appendVarFlag('do_bundle_initramfs', 'depends', ' ${INITRAMFS_IMAGE}:do_image_complete')
+ if image and bb.utils.to_boolean(d.getVar('INITRAMFS_IMAGE_BUNDLE')):
+ bb.build.addtask('do_transform_bundled_initramfs', 'do_deploy', 'do_bundle_initramfs', d)
+
+ # NOTE: setting INITRAMFS_TASK is for backward compatibility
+ # The preferred method is to set INITRAMFS_IMAGE, because
+ # this INITRAMFS_TASK has circular dependency problems
+ # if the initramfs requires kernel modules
+ image_task = d.getVar('INITRAMFS_TASK')
+ if image_task:
+ d.appendVarFlag('do_configure', 'depends', ' ${INITRAMFS_TASK}')
+}
+
+# Here we pull in all various kernel image types which we support.
+#
+# In case you're wondering why kernel.bbclass inherits the other image
+# types instead of the other way around, the reason for that is to
+# maintain compatibility with various currently existing meta-layers.
+# By pulling in the various kernel image types here, we retain the
+# original behavior of kernel.bbclass, so no meta-layers should get
+# broken.
+#
+# KERNEL_CLASSES by default pulls in kernel-uimage.bbclass, since this
+# used to be the default behavior when only uImage was supported. This
+# variable can be appended by users who implement support for new kernel
+# image types.
+
+KERNEL_CLASSES ?= " kernel-uimage "
+inherit ${KERNEL_CLASSES}
+
+# Old style kernels may set ${S} = ${WORKDIR}/git for example
+# We need to move these over to STAGING_KERNEL_DIR. We can't just
+# create the symlink in advance as the git fetcher can't cope with
+# the symlink.
+do_unpack[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILDDIR}"
+do_clean[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILDDIR}"
+python do_symlink_kernsrc () {
+ s = d.getVar("S")
+ if s[-1] == '/':
+ # drop trailing slash, so that os.symlink(kernsrc, s) doesn't use s as directory name and fail
+ s=s[:-1]
+ kernsrc = d.getVar("STAGING_KERNEL_DIR")
+ if s != kernsrc:
+ bb.utils.mkdirhier(kernsrc)
+ bb.utils.remove(kernsrc, recurse=True)
+ if d.getVar("EXTERNALSRC"):
+ # With EXTERNALSRC S will not be wiped so we can symlink to it
+ os.symlink(s, kernsrc)
+ else:
+ import shutil
+ shutil.move(s, kernsrc)
+ os.symlink(kernsrc, s)
+}
+# do_patch is normally ordered before do_configure, but
+# externalsrc.bbclass deletes do_patch, breaking the dependency of
+# do_configure on do_symlink_kernsrc.
+addtask symlink_kernsrc before do_patch do_configure after do_unpack
+
+inherit kernel-arch deploy
+
+PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-module-.*"
+PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-image-.*"
+PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-firmware-.*"
+
+export OS = "${TARGET_OS}"
+export CROSS_COMPILE = "${TARGET_PREFIX}"
+
+KERNEL_RELEASE ?= "${KERNEL_VERSION}"
+
+# The directory where built kernel lies in the kernel tree
+KERNEL_OUTPUT_DIR ?= "arch/${ARCH}/boot"
+KERNEL_IMAGEDEST ?= "boot"
+KERNEL_DTBDEST ?= "${KERNEL_IMAGEDEST}"
+KERNEL_DTBVENDORED ?= "0"
+
+#
+# configuration
+#
+export CMDLINE_CONSOLE = "console=${@d.getVar("KERNEL_CONSOLE") or "ttyS0"}"
+
+KERNEL_VERSION = "${@get_kernelversion_headers('${B}')}"
+
+# kernels are generally machine specific
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+# U-Boot support
+UBOOT_ENTRYPOINT ?= "20008000"
+UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}"
+
+# Some Linux kernel configurations need additional parameters on the command line
+KERNEL_EXTRA_ARGS ?= ""
+
+EXTRA_OEMAKE += ' CC="${KERNEL_CC}" LD="${KERNEL_LD}"'
+EXTRA_OEMAKE += ' HOSTCC="${BUILD_CC}" HOSTCFLAGS="${BUILD_CFLAGS}" HOSTLDFLAGS="${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}"'
+EXTRA_OEMAKE += ' HOSTCXX="${BUILD_CXX}" HOSTCXXFLAGS="${BUILD_CXXFLAGS}" PAHOLE=false'
+
+KERNEL_ALT_IMAGETYPE ??= ""
+
+copy_initramfs() {
+ echo "Copying initramfs into ./usr ..."
+ # In case the directory is not created yet from the first pass compile:
+ mkdir -p ${B}/usr
+ # Find and use the first initramfs image archive type we find
+ rm -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
+ for img in cpio cpio.gz cpio.lz4 cpio.lzo cpio.lzma cpio.xz cpio.zst; do
+ if [ -e "${INITRAMFS_DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.$img" ]; then
+ cp ${INITRAMFS_DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.$img ${B}/usr/.
+ case $img in
+ *gz)
+ echo "gzip decompressing image"
+ gunzip -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
+ break
+ ;;
+ *lz4)
+ echo "lz4 decompressing image"
+ lz4 -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
+ break
+ ;;
+ *lzo)
+ echo "lzo decompressing image"
+ lzop -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
+ break
+ ;;
+ *lzma)
+ echo "lzma decompressing image"
+ lzma -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
+ break
+ ;;
+ *xz)
+ echo "xz decompressing image"
+ xz -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
+ break
+ ;;
+ *zst)
+ echo "zst decompressing image"
+ zstd -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
+ break
+ ;;
+ esac
+ break
+ fi
+ done
+ # Verify that the above loop found a initramfs, fail otherwise
+ [ -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio ] && echo "Finished copy of initramfs into ./usr" || die "Could not find any ${INITRAMFS_DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.cpio{.gz|.lz4|.lzo|.lzma|.xz|.zst) for bundling; INITRAMFS_IMAGE_NAME might be wrong."
+}
+
+do_bundle_initramfs () {
+ if [ ! -z "${INITRAMFS_IMAGE}" -a x"${INITRAMFS_IMAGE_BUNDLE}" = x1 ]; then
+ echo "Creating a kernel image with a bundled initramfs..."
+ copy_initramfs
+ # Backing up kernel image relies on its type(regular file or symbolic link)
+ tmp_path=""
+ for imageType in ${KERNEL_IMAGETYPE_FOR_MAKE} ; do
+ if [ -h ${KERNEL_OUTPUT_DIR}/$imageType ] ; then
+ linkpath=`readlink -n ${KERNEL_OUTPUT_DIR}/$imageType`
+ realpath=`readlink -fn ${KERNEL_OUTPUT_DIR}/$imageType`
+ mv -f $realpath $realpath.bak
+ tmp_path=$tmp_path" "$imageType"#"$linkpath"#"$realpath
+ elif [ -f ${KERNEL_OUTPUT_DIR}/$imageType ]; then
+ mv -f ${KERNEL_OUTPUT_DIR}/$imageType ${KERNEL_OUTPUT_DIR}/$imageType.bak
+ tmp_path=$tmp_path" "$imageType"##"
+ fi
+ done
+ use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
+ kernel_vendor_dtb_do_compile
+ # Restoring kernel image
+ for tp in $tmp_path ; do
+ imageType=`echo $tp|cut -d "#" -f 1`
+ linkpath=`echo $tp|cut -d "#" -f 2`
+ realpath=`echo $tp|cut -d "#" -f 3`
+ if [ -n "$realpath" ]; then
+ mv -f $realpath $realpath.initramfs
+ mv -f $realpath.bak $realpath
+ ln -sf $linkpath.initramfs ${B}/${KERNEL_OUTPUT_DIR}/$imageType.initramfs
+ else
+ mv -f ${KERNEL_OUTPUT_DIR}/$imageType ${KERNEL_OUTPUT_DIR}/$imageType.initramfs
+ mv -f ${KERNEL_OUTPUT_DIR}/$imageType.bak ${KERNEL_OUTPUT_DIR}/$imageType
+ fi
+ done
+ fi
+}
+do_bundle_initramfs[dirs] = "${B}"
+
+kernel_vendor_dtb_do_transform_bundled_initramfs() {
+ # vmlinux.gz is not built by kernel
+ if (echo "${KERNEL_IMAGETYPES}" | grep -wq "vmlinux\.gz"); then
+ gzip -9cn < ${KERNEL_OUTPUT_DIR}/vmlinux.initramfs > ${KERNEL_OUTPUT_DIR}/vmlinux.gz.initramfs
+ fi
+}
+do_transform_bundled_initramfs[dirs] = "${B}"
+
+python do_devshell:prepend () {
+ os.environ["LDFLAGS"] = ''
+}
+
+addtask bundle_initramfs after do_install before do_deploy
+
+KERNEL_DEBUG_TIMESTAMPS ??= "0"
+
+kernel_vendor_dtb_do_compile() {
+ unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
+
+ # setup native pkg-config variables (kconfig scripts call pkg-config directly, cannot generically be overriden to pkg-config-native)
+ export PKG_CONFIG_DIR="${STAGING_DIR_NATIVE}${libdir_native}/pkgconfig"
+ export PKG_CONFIG_PATH="$PKG_CONFIG_DIR:${STAGING_DATADIR_NATIVE}/pkgconfig"
+ export PKG_CONFIG_LIBDIR="$PKG_CONFIG_DIR"
+ export PKG_CONFIG_SYSROOT_DIR=""
+
+ if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then
+ # kernel sources do not use do_unpack, so SOURCE_DATE_EPOCH may not
+ # be set....
+ if [ "${SOURCE_DATE_EPOCH}" = "" -o "${SOURCE_DATE_EPOCH}" = "0" ]; then
+ # The source directory is not necessarily a git repository, so we
+ # specify the git-dir to ensure that git does not query a
+ # repository in any parent directory.
+ SOURCE_DATE_EPOCH=`git --git-dir="${S}/.git" log -1 --pretty=%ct 2>/dev/null || echo "${REPRODUCIBLE_TIMESTAMP_ROOTFS}"`
+ fi
+
+ ts=`LC_ALL=C date -d @$SOURCE_DATE_EPOCH`
+ export KBUILD_BUILD_TIMESTAMP="$ts"
+ export KCONFIG_NOTIMESTAMP=1
+ bbnote "KBUILD_BUILD_TIMESTAMP: $ts"
+ else
+ ts=`LC_ALL=C date`
+ export KBUILD_BUILD_TIMESTAMP="$ts"
+ bbnote "KBUILD_BUILD_TIMESTAMP: $ts"
+ fi
+ # The $use_alternate_initrd is only set from
+ # do_bundle_initramfs() This variable is specifically for the
+ # case where we are making a second pass at the kernel
+ # compilation and we want to force the kernel build to use a
+ # different initramfs image. The way to do that in the kernel
+ # is to specify:
+ # make ...args... CONFIG_INITRAMFS_SOURCE=some_other_initramfs.cpio
+ if [ "$use_alternate_initrd" = "" ] && [ "${INITRAMFS_TASK}" != "" ] ; then
+ # The old style way of copying an prebuilt image and building it
+ # is turned on via INTIRAMFS_TASK != ""
+ copy_initramfs
+ use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
+ fi
+ for typeformake in ${KERNEL_IMAGETYPE_FOR_MAKE} ; do
+ oe_runmake ${PARALLEL_MAKE} ${typeformake} ${KERNEL_EXTRA_ARGS} $use_alternate_initrd
+ done
+}
+
+kernel_vendor_dtb_do_transform_kernel() {
+ # vmlinux.gz is not built by kernel
+ if (echo "${KERNEL_IMAGETYPES}" | grep -wq "vmlinux\.gz"); then
+ mkdir -p "${KERNEL_OUTPUT_DIR}"
+ gzip -9cn < ${B}/vmlinux > "${KERNEL_OUTPUT_DIR}/vmlinux.gz"
+ fi
+}
+do_transform_kernel[dirs] = "${B}"
+addtask transform_kernel after do_compile before do_install
+
+do_compile_kernelmodules() {
+ unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
+ if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then
+ # kernel sources do not use do_unpack, so SOURCE_DATE_EPOCH may not
+ # be set....
+ if [ "${SOURCE_DATE_EPOCH}" = "" -o "${SOURCE_DATE_EPOCH}" = "0" ]; then
+ # The source directory is not necessarily a git repository, so we
+ # specify the git-dir to ensure that git does not query a
+ # repository in any parent directory.
+ SOURCE_DATE_EPOCH=`git --git-dir="${S}/.git" log -1 --pretty=%ct 2>/dev/null || echo "${REPRODUCIBLE_TIMESTAMP_ROOTFS}"`
+ fi
+
+ ts=`LC_ALL=C date -d @$SOURCE_DATE_EPOCH`
+ export KBUILD_BUILD_TIMESTAMP="$ts"
+ export KCONFIG_NOTIMESTAMP=1
+ bbnote "KBUILD_BUILD_TIMESTAMP: $ts"
+ else
+ ts=`LC_ALL=C date`
+ export KBUILD_BUILD_TIMESTAMP="$ts"
+ bbnote "KBUILD_BUILD_TIMESTAMP: $ts"
+ fi
+ if (grep -q -i -e '^CONFIG_MODULES=y$' ${B}/.config); then
+ oe_runmake -C ${B} ${PARALLEL_MAKE} modules ${KERNEL_EXTRA_ARGS}
+
+ # Module.symvers gets updated during the
+ # building of the kernel modules. We need to
+ # update this in the shared workdir since some
+ # external kernel modules has a dependency on
+ # other kernel modules and will look at this
+ # file to do symbol lookups
+ cp ${B}/Module.symvers ${STAGING_KERNEL_BUILDDIR}/
+ # 5.10+ kernels have module.lds that we need to copy for external module builds
+ if [ -e "${B}/scripts/module.lds" ]; then
+ install -Dm 0644 ${B}/scripts/module.lds ${STAGING_KERNEL_BUILDDIR}/scripts/module.lds
+ fi
+ else
+ bbnote "no modules to compile"
+ fi
+}
+addtask compile_kernelmodules after do_compile before do_strip
+
+kernel_vendor_dtb_do_install() {
+ #
+ # First install the modules
+ #
+ unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
+ if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
+ oe_runmake DEPMOD=echo MODLIB=${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION} INSTALL_FW_PATH=${D}${nonarch_base_libdir}/firmware modules_install
+ rm "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
+ rm "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/source"
+ # Remove empty module directories to prevent QA issues
+ find "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/kernel" -type d -empty -delete
+ else
+ bbnote "no modules to install"
+ fi
+
+ #
+ # Install various kernel output (zImage, map file, config, module support files)
+ #
+ install -d ${D}/${KERNEL_IMAGEDEST}
+
+ #
+ # When including an initramfs bundle inside a FIT image, the fitImage is created after the install task
+ # by do_assemble_fitimage_initramfs.
+ # This happens after the generation of the initramfs bundle (done by do_bundle_initramfs).
+ # So, at the level of the install task we should not try to install the fitImage. fitImage is still not
+ # generated yet.
+ # After the generation of the fitImage, the deploy task copies the fitImage from the build directory to
+ # the deploy folder.
+ #
+
+ for imageType in ${KERNEL_IMAGETYPES} ; do
+ if [ $imageType != "fitImage" ] || [ "${INITRAMFS_IMAGE_BUNDLE}" != "1" ] ; then
+ install -m 0644 ${KERNEL_OUTPUT_DIR}/$imageType ${D}/${KERNEL_IMAGEDEST}/$imageType-${KERNEL_VERSION}
+ fi
+ done
+
+ install -m 0644 System.map ${D}/${KERNEL_IMAGEDEST}/System.map-${KERNEL_VERSION}
+ install -m 0644 .config ${D}/${KERNEL_IMAGEDEST}/config-${KERNEL_VERSION}
+ install -m 0644 vmlinux ${D}/${KERNEL_IMAGEDEST}/vmlinux-${KERNEL_VERSION}
+ [ -e Module.symvers ] && install -m 0644 Module.symvers ${D}/${KERNEL_IMAGEDEST}/Module.symvers-${KERNEL_VERSION}
+ install -d ${D}${sysconfdir}/modules-load.d
+ install -d ${D}${sysconfdir}/modprobe.d
+}
+
+# Must be ran no earlier than after do_kernel_checkout or else Makefile won't be in ${S}/Makefile
+do_kernel_version_sanity_check() {
+ if [ "x${KERNEL_VERSION_SANITY_SKIP}" = "x1" ]; then
+ exit 0
+ fi
+
+ # The Makefile determines the kernel version shown at runtime
+ # Don't use KERNEL_VERSION because the headers it grabs the version from aren't generated until do_compile
+ VERSION=$(grep "^VERSION =" ${S}/Makefile | sed s/.*=\ *//)
+ PATCHLEVEL=$(grep "^PATCHLEVEL =" ${S}/Makefile | sed s/.*=\ *//)
+ SUBLEVEL=$(grep "^SUBLEVEL =" ${S}/Makefile | sed s/.*=\ *//)
+ EXTRAVERSION=$(grep "^EXTRAVERSION =" ${S}/Makefile | sed s/.*=\ *//)
+
+ # Build a string for regex and a plain version string
+ reg="^${VERSION}\.${PATCHLEVEL}"
+ vers="${VERSION}.${PATCHLEVEL}"
+ if [ -n "${SUBLEVEL}" ]; then
+ # Ignoring a SUBLEVEL of zero is fine
+ if [ "${SUBLEVEL}" = "0" ]; then
+ reg="${reg}(\.${SUBLEVEL})?"
+ else
+ reg="${reg}\.${SUBLEVEL}"
+ vers="${vers}.${SUBLEVEL}"
+ fi
+ fi
+ vers="${vers}${EXTRAVERSION}"
+ reg="${reg}${EXTRAVERSION}"
+
+ if [ -z `echo ${PV} | grep -E "${reg}"` ]; then
+ bbfatal "Package Version (${PV}) does not match of kernel being built (${vers}). Please update the PV variable to match the kernel source or set KERNEL_VERSION_SANITY_SKIP=\"1\" in your recipe."
+ fi
+ exit 0
+}
+
+addtask shared_workdir after do_compile before do_compile_kernelmodules
+addtask shared_workdir_setscene
+
+do_shared_workdir_setscene () {
+ exit 1
+}
+
+emit_depmod_pkgdata() {
+ # Stash data for depmod
+ install -d ${PKGDESTWORK}/${KERNEL_PACKAGE_NAME}-depmod/
+ echo "${KERNEL_VERSION}" > ${PKGDESTWORK}/${KERNEL_PACKAGE_NAME}-depmod/${KERNEL_PACKAGE_NAME}-abiversion
+ cp ${B}/System.map ${PKGDESTWORK}/${KERNEL_PACKAGE_NAME}-depmod/System.map-${KERNEL_VERSION}
+}
+
+PACKAGEFUNCS += "emit_depmod_pkgdata"
+
+do_shared_workdir[cleandirs] += " ${STAGING_KERNEL_BUILDDIR}"
+do_shared_workdir () {
+ cd ${B}
+
+ kerneldir=${STAGING_KERNEL_BUILDDIR}
+ install -d $kerneldir
+
+ #
+ # Store the kernel version in sysroots for module-base.bbclass
+ #
+
+ echo "${KERNEL_VERSION}" > $kerneldir/${KERNEL_PACKAGE_NAME}-abiversion
+
+ # Copy files required for module builds
+ cp System.map $kerneldir/System.map-${KERNEL_VERSION}
+ [ -e Module.symvers ] && cp Module.symvers $kerneldir/
+ cp .config $kerneldir/
+ mkdir -p $kerneldir/include/config
+ cp include/config/kernel.release $kerneldir/include/config/kernel.release
+ if [ -e certs/signing_key.x509 ]; then
+ # The signing_key.* files are stored in the certs/ dir in
+ # newer Linux kernels
+ mkdir -p $kerneldir/certs
+ cp certs/signing_key.* $kerneldir/certs/
+ elif [ -e signing_key.priv ]; then
+ cp signing_key.* $kerneldir/
+ fi
+
+ # We can also copy over all the generated files and avoid special cases
+ # like version.h, but we've opted to keep this small until file creep starts
+ # to happen
+ if [ -e include/linux/version.h ]; then
+ mkdir -p $kerneldir/include/linux
+ cp include/linux/version.h $kerneldir/include/linux/version.h
+ fi
+
+ # As of Linux kernel version 3.0.1, the clean target removes
+ # arch/powerpc/lib/crtsavres.o which is present in
+ # KBUILD_LDFLAGS_MODULE, making it required to build external modules.
+ if [ ${ARCH} = "powerpc" ]; then
+ if [ -e arch/powerpc/lib/crtsavres.o ]; then
+ mkdir -p $kerneldir/arch/powerpc/lib/
+ cp arch/powerpc/lib/crtsavres.o $kerneldir/arch/powerpc/lib/crtsavres.o
+ fi
+ fi
+
+ if [ -d include/generated ]; then
+ mkdir -p $kerneldir/include/generated/
+ cp -fR include/generated/* $kerneldir/include/generated/
+ fi
+
+ if [ -d arch/${ARCH}/include/generated ]; then
+ mkdir -p $kerneldir/arch/${ARCH}/include/generated/
+ cp -fR arch/${ARCH}/include/generated/* $kerneldir/arch/${ARCH}/include/generated/
+ fi
+
+ if (grep -q -i -e '^CONFIG_UNWINDER_ORC=y$' $kerneldir/.config); then
+ # With CONFIG_UNWINDER_ORC (the default in 4.14), objtool is required for
+ # out-of-tree modules to be able to generate object files.
+ if [ -x tools/objtool/objtool ]; then
+ mkdir -p ${kerneldir}/tools/objtool
+ cp tools/objtool/objtool ${kerneldir}/tools/objtool/
+ fi
+ fi
+
+ # When building with CONFIG_MODVERSIONS=y and CONFIG_RANDSTRUCT=y we need
+ # to copy the build assets generated for the randstruct seed to
+ # STAGING_KERNEL_BUILDDIR, otherwise the out-of-tree modules build will
+ # generate those assets which will result in a different
+ # RANDSTRUCT_HASHED_SEED
+ if [ -d scripts/basic ]; then
+ mkdir -p ${kerneldir}/scripts
+ cp -r scripts/basic ${kerneldir}/scripts
+ fi
+
+ if [ -d scripts/gcc-plugins ]; then
+ mkdir -p ${kerneldir}/scripts
+ cp -r scripts/gcc-plugins ${kerneldir}/scripts
+ fi
+
+}
+
+# We don't need to stage anything, not the modules/firmware since those would clash with linux-firmware
+SYSROOT_DIRS = ""
+
+KERNEL_CONFIG_COMMAND ?= "oe_runmake_call -C ${S} O=${B} olddefconfig || oe_runmake -C ${S} O=${B} oldnoconfig"
+
+python check_oldest_kernel() {
+ oldest_kernel = d.getVar('OLDEST_KERNEL')
+ kernel_version = d.getVar('KERNEL_VERSION')
+ tclibc = d.getVar('TCLIBC')
+ if tclibc == 'glibc':
+ kernel_version = kernel_version.split('-', 1)[0]
+ if oldest_kernel and kernel_version:
+ if bb.utils.vercmp_string(kernel_version, oldest_kernel) < 0:
+ bb.warn('%s: OLDEST_KERNEL is "%s" but the version of the kernel you are building is "%s" - therefore %s as built may not be compatible with this kernel. Either set OLDEST_KERNEL to an older version, or build a newer kernel.' % (d.getVar('PN'), oldest_kernel, kernel_version, tclibc))
+}
+
+check_oldest_kernel[vardepsexclude] += "OLDEST_KERNEL KERNEL_VERSION"
+do_configure[prefuncs] += "check_oldest_kernel"
+
+kernel_vendor_dtb_do_configure() {
+ # fixes extra + in /lib/modules/2.6.37+
+ # $ scripts/setlocalversion . => +
+ # $ make kernelversion => 2.6.37
+ # $ make kernelrelease => 2.6.37+
+ touch ${B}/.scmversion ${S}/.scmversion
+
+ if [ "${S}" != "${B}" ] && [ -f "${S}/.config" ] && [ ! -f "${B}/.config" ]; then
+ mv "${S}/.config" "${B}/.config"
+ fi
+
+ # Copy defconfig to .config if .config does not exist. This allows
+ # recipes to manage the .config themselves in do_configure:prepend().
+ if [ -f "${WORKDIR}/defconfig" ] && [ ! -f "${B}/.config" ]; then
+ cp "${WORKDIR}/defconfig" "${B}/.config"
+ fi
+
+ ${KERNEL_CONFIG_COMMAND}
+}
+
+do_savedefconfig() {
+ bbplain "Saving defconfig to:\n${B}/defconfig"
+ oe_runmake -C ${B} savedefconfig
+}
+do_savedefconfig[nostamp] = "1"
+addtask savedefconfig after do_configure
+
+inherit cml1 pkgconfig
+
+# Need LD, HOSTLDFLAGS and more for config operations
+KCONFIG_CONFIG_COMMAND:append = " ${EXTRA_OEMAKE}"
+
+EXPORT_FUNCTIONS do_compile do_transform_kernel do_transform_bundled_initramfs do_install do_configure
+
+# kernel-base becomes kernel-${KERNEL_VERSION}
+# kernel-image becomes kernel-image-${KERNEL_VERSION}
+PACKAGES = "${KERNEL_PACKAGE_NAME} ${KERNEL_PACKAGE_NAME}-base ${KERNEL_PACKAGE_NAME}-vmlinux ${KERNEL_PACKAGE_NAME}-image ${KERNEL_PACKAGE_NAME}-dev ${KERNEL_PACKAGE_NAME}-modules ${KERNEL_PACKAGE_NAME}-dbg"
+FILES:${PN} = ""
+FILES:${KERNEL_PACKAGE_NAME}-base = "${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.order ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.builtin ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.builtin.modinfo"
+FILES:${KERNEL_PACKAGE_NAME}-image = ""
+FILES:${KERNEL_PACKAGE_NAME}-dev = "/${KERNEL_IMAGEDEST}/System.map* /${KERNEL_IMAGEDEST}/Module.symvers* /${KERNEL_IMAGEDEST}/config* ${KERNEL_SRC_PATH} ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
+FILES:${KERNEL_PACKAGE_NAME}-vmlinux = "/${KERNEL_IMAGEDEST}/vmlinux-${KERNEL_VERSION_NAME}"
+FILES:${KERNEL_PACKAGE_NAME}-modules = ""
+RDEPENDS:${KERNEL_PACKAGE_NAME} = "${KERNEL_PACKAGE_NAME}-base (= ${EXTENDPKGV})"
+# Allow machines to override this dependency if kernel image files are
+# not wanted in images as standard
+RRECOMMENDS:${KERNEL_PACKAGE_NAME}-base ?= "${KERNEL_PACKAGE_NAME}-image (= ${EXTENDPKGV})"
+PKG:${KERNEL_PACKAGE_NAME}-image = "${KERNEL_PACKAGE_NAME}-image-${@legitimize_package_name(d.getVar('KERNEL_VERSION'))}"
+RDEPENDS:${KERNEL_PACKAGE_NAME}-image += "${@oe.utils.conditional('KERNEL_IMAGETYPE', 'vmlinux', '${KERNEL_PACKAGE_NAME}-vmlinux (= ${EXTENDPKGV})', '', d)}"
+PKG:${KERNEL_PACKAGE_NAME}-base = "${KERNEL_PACKAGE_NAME}-${@legitimize_package_name(d.getVar('KERNEL_VERSION'))}"
+RPROVIDES:${KERNEL_PACKAGE_NAME}-base += "${KERNEL_PACKAGE_NAME}-${KERNEL_VERSION}"
+ALLOW_EMPTY:${KERNEL_PACKAGE_NAME} = "1"
+ALLOW_EMPTY:${KERNEL_PACKAGE_NAME}-base = "1"
+ALLOW_EMPTY:${KERNEL_PACKAGE_NAME}-image = "1"
+ALLOW_EMPTY:${KERNEL_PACKAGE_NAME}-modules = "1"
+DESCRIPTION:${KERNEL_PACKAGE_NAME}-modules = "Kernel modules meta package"
+
+pkg_postinst:${KERNEL_PACKAGE_NAME}-base () {
+ if [ ! -e "$D/lib/modules/${KERNEL_VERSION}" ]; then
+ mkdir -p $D/lib/modules/${KERNEL_VERSION}
+ fi
+ if [ -n "$D" ]; then
+ depmodwrapper -a -b $D ${KERNEL_VERSION}
+ else
+ depmod -a ${KERNEL_VERSION}
+ fi
+}
+
+PACKAGESPLITFUNCS:prepend = "split_kernel_packages "
+
+python split_kernel_packages () {
+ do_split_packages(d, root='${nonarch_base_libdir}/firmware', file_regex=r'^(.*)\.(bin|fw|cis|csp|dsp)$', output_pattern='${KERNEL_PACKAGE_NAME}-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
+}
+
+# Many scripts want to look in arch/$arch/boot for the bootable
+# image. This poses a problem for vmlinux and vmlinuz based
+# booting. This task arranges to have vmlinux and vmlinuz appear
+# in the normalized directory location.
+do_kernel_link_images() {
+ if [ ! -d "${B}/arch/${ARCH}/boot" ]; then
+ mkdir ${B}/arch/${ARCH}/boot
+ fi
+ cd ${B}/arch/${ARCH}/boot
+ ln -sf ../../../vmlinux
+ if [ -f ../../../vmlinuz ]; then
+ ln -sf ../../../vmlinuz
+ fi
+ if [ -f ../../../vmlinuz.bin ]; then
+ ln -sf ../../../vmlinuz.bin
+ fi
+ if [ -f ../../../vmlinux.64 ]; then
+ ln -sf ../../../vmlinux.64
+ fi
+}
+addtask kernel_link_images after do_compile before do_strip
+
+python do_strip() {
+ import shutil
+
+ strip = d.getVar('STRIP')
+ extra_sections = d.getVar('KERNEL_IMAGE_STRIP_EXTRA_SECTIONS')
+ kernel_image = d.getVar('B') + "/" + d.getVar('KERNEL_OUTPUT_DIR') + "/vmlinux"
+
+ if (extra_sections and kernel_image.find(d.getVar('KERNEL_IMAGEDEST') + '/vmlinux') != -1):
+ kernel_image_stripped = kernel_image + ".stripped"
+ shutil.copy2(kernel_image, kernel_image_stripped)
+ oe.package.runstrip((kernel_image_stripped, 8, strip, extra_sections))
+ bb.debug(1, "KERNEL_IMAGE_STRIP_EXTRA_SECTIONS is set, stripping sections: " + \
+ extra_sections)
+}
+do_strip[dirs] = "${B}"
+
+addtask strip before do_sizecheck after do_kernel_link_images
+
+# Support checking the kernel size since some kernels need to reside in partitions
+# with a fixed length or there is a limit in transferring the kernel to memory.
+# If more than one image type is enabled, warn on any that don't fit but only fail
+# if none fit.
+do_sizecheck() {
+ if [ ! -z "${KERNEL_IMAGE_MAXSIZE}" ]; then
+ invalid=`echo ${KERNEL_IMAGE_MAXSIZE} | sed 's/[0-9]//g'`
+ if [ -n "$invalid" ]; then
+ die "Invalid KERNEL_IMAGE_MAXSIZE: ${KERNEL_IMAGE_MAXSIZE}, should be an integer (The unit is Kbytes)"
+ fi
+ at_least_one_fits=
+ for imageType in ${KERNEL_IMAGETYPES} ; do
+ size=`du -ks ${B}/${KERNEL_OUTPUT_DIR}/$imageType | awk '{print $1}'`
+ if [ $size -gt ${KERNEL_IMAGE_MAXSIZE} ]; then
+ bbwarn "This kernel $imageType (size=$size(K) > ${KERNEL_IMAGE_MAXSIZE}(K)) is too big for your device."
+ else
+ at_least_one_fits=y
+ fi
+ done
+ if [ -z "$at_least_one_fits" ]; then
+ die "All kernel images are too big for your device. Please reduce the size of the kernel by making more of it modular."
+ fi
+ fi
+}
+do_sizecheck[dirs] = "${B}"
+
+addtask sizecheck before do_install after do_strip
+
+inherit kernel-artifact-names
+
+kernel_vendor_dtb_do_deploy() {
+ deployDir="${DEPLOYDIR}"
+ if [ -n "${KERNEL_DEPLOYSUBDIR}" ]; then
+ deployDir="${DEPLOYDIR}/${KERNEL_DEPLOYSUBDIR}"
+ mkdir "$deployDir"
+ fi
+
+ for imageType in ${KERNEL_IMAGETYPES} ; do
+ baseName=$imageType-${KERNEL_IMAGE_NAME}
+
+ if [ -s ${KERNEL_OUTPUT_DIR}/$imageType.stripped ] ; then
+ install -m 0644 ${KERNEL_OUTPUT_DIR}/$imageType.stripped $deployDir/$baseName${KERNEL_IMAGE_BIN_EXT}
+ else
+ install -m 0644 ${KERNEL_OUTPUT_DIR}/$imageType $deployDir/$baseName${KERNEL_IMAGE_BIN_EXT}
+ fi
+ if [ -n "${KERNEL_IMAGE_LINK_NAME}" ] ; then
+ ln -sf $baseName${KERNEL_IMAGE_BIN_EXT} $deployDir/$imageType-${KERNEL_IMAGE_LINK_NAME}${KERNEL_IMAGE_BIN_EXT}
+ fi
+ if [ "${KERNEL_IMAGETYPE_SYMLINK}" = "1" ] ; then
+ ln -sf $baseName${KERNEL_IMAGE_BIN_EXT} $deployDir/$imageType
+ fi
+ done
+
+ if [ ${MODULE_TARBALL_DEPLOY} = "1" ] && (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
+ mkdir -p ${D}${root_prefix}/lib
+ if [ -n "${SOURCE_DATE_EPOCH}" ]; then
+ TAR_ARGS="--sort=name --clamp-mtime --mtime=@${SOURCE_DATE_EPOCH}"
+ else
+ TAR_ARGS=""
+ fi
+ TAR_ARGS="$TAR_ARGS --owner=0 --group=0"
+ tar $TAR_ARGS -cv -C ${D}${root_prefix} lib | gzip -9n > $deployDir/modules-${MODULE_TARBALL_NAME}.tgz
+
+ if [ -n "${MODULE_TARBALL_LINK_NAME}" ] ; then
+ ln -sf modules-${MODULE_TARBALL_NAME}.tgz $deployDir/modules-${MODULE_TARBALL_LINK_NAME}.tgz
+ fi
+ fi
+
+ if [ ! -z "${INITRAMFS_IMAGE}" -a x"${INITRAMFS_IMAGE_BUNDLE}" = x1 ]; then
+ for imageType in ${KERNEL_IMAGETYPES} ; do
+ if [ "$imageType" = "fitImage" ] ; then
+ continue
+ fi
+ initramfsBaseName=$imageType-${INITRAMFS_NAME}
+ install -m 0644 ${KERNEL_OUTPUT_DIR}/$imageType.initramfs $deployDir/$initramfsBaseName${KERNEL_IMAGE_BIN_EXT}
+ if [ -n "${INITRAMFS_LINK_NAME}" ] ; then
+ ln -sf $initramfsBaseName${KERNEL_IMAGE_BIN_EXT} $deployDir/$imageType-${INITRAMFS_LINK_NAME}${KERNEL_IMAGE_BIN_EXT}
+ fi
+ done
+ fi
+}
+
+# We deploy to filenames that include PKGV and PKGR, read the saved data to
+# ensure we get the right values for both
+do_deploy[prefuncs] += "read_subpackage_metadata"
+
+addtask deploy after do_populate_sysroot do_packagedata
+
+EXPORT_FUNCTIONS do_deploy
+
+# Add using Device Tree support
+inherit kernel_devicetree_vendor_dtb