yocto-poky/meta/classes/kernel.bbclass - mdmillerii/openbmc - Gitiles

 inherit linux-kernel-base kernel-module-split

 PROVIDES += "virtual/kernel"
 DEPENDS += "virtual/${TARGET_PREFIX}binutils virtual/${TARGET_PREFIX}gcc kmod-native depmodwrapper-cross bc-native"

 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_TASK ?= ""
 INITRAMFS_IMAGE_BUNDLE ?= ""

 python __anonymous () {
     import re

     kerneltype = d.getVar('KERNEL_IMAGETYPE', True)

     d.setVar("KERNEL_IMAGETYPE_FOR_MAKE", re.sub(r'\.gz$', '', kerneltype))

     image = d.getVar('INITRAMFS_IMAGE', True)
     if image:
         d.appendVarFlag('do_bundle_initramfs', 'depends', ' ${INITRAMFS_IMAGE}:do_rootfs')

     # 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', True)
     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}"
 base_do_unpack_append () {
     s = d.getVar("S", True)
     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", True)
     if s != kernsrc:
         bb.utils.mkdirhier(kernsrc)
         bb.utils.remove(kernsrc, recurse=True)
         if d.getVar("EXTERNALSRC", True):
             # 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)
 }

 inherit kernel-arch deploy

 PACKAGES_DYNAMIC += "^kernel-module-.*"
 PACKAGES_DYNAMIC += "^kernel-image-.*"
 PACKAGES_DYNAMIC += "^kernel-firmware-.*"

 export OS = "${TARGET_OS}"
 export CROSS_COMPILE = "${TARGET_PREFIX}"

 KERNEL_PRIORITY ?= "${@int(d.getVar('PV',1).split('-')[0].split('+')[0].split('.')[0]) * 10000 + \
                        int(d.getVar('PV',1).split('-')[0].split('+')[0].split('.')[1]) * 100 + \
                        int(d.getVar('PV',1).split('-')[0].split('+')[0].split('.')[-1])}"

 KERNEL_RELEASE ?= "${KERNEL_VERSION}"

 # Where built kernel lies in the kernel tree
 KERNEL_OUTPUT ?= "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}"
 KERNEL_IMAGEDEST = "boot"

 #
 # configuration
 #
 export CMDLINE_CONSOLE = "console=${@d.getVar("KERNEL_CONSOLE",1) or "ttyS0"}"

 KERNEL_VERSION = "${@get_kernelversion_headers('${B}')}"

 KERNEL_LOCALVERSION ?= ""

 # 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 ?= ""

 # For the kernel, we don't want the '-e MAKEFLAGS=' in EXTRA_OEMAKE.
 # We don't want to override kernel Makefile variables from the environment
 EXTRA_OEMAKE = ""

 KERNEL_ALT_IMAGETYPE ??= ""

 # Define where the kernel headers are installed on the target as well as where
 # they are staged.
 KERNEL_SRC_PATH = "/usr/src/kernel"

 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}-${MACHINE}.cpio
 	for img in cpio.gz cpio.lz4 cpio.lzo cpio.lzma cpio.xz; do
 		if [ -e "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img" ]; then
 			cp ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img ${B}/usr/.
 			case $img in
 			*gz)
 				echo "gzip decompressing image"
 				gunzip -f ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
 				break
 				;;
 			*lz4)
 				echo "lz4 decompressing image"
 				lz4 -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
 				break
 				;;
 			*lzo)
 				echo "lzo decompressing image"
 				lzop -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
 				break
 				;;
 			*lzma)
 				echo "lzma decompressing image"
 				lzma -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
 				break
 				;;
 			*xz)
 				echo "xz decompressing image"
 				xz -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
 				break
 				;;
 			esac
 		fi
 	done
 	echo "Finished copy of initramfs into ./usr"
 }

 INITRAMFS_BASE_NAME = "${KERNEL_IMAGETYPE}-initramfs-${PV}-${PR}-${MACHINE}-${DATETIME}"
 INITRAMFS_BASE_NAME[vardepsexclude] = "DATETIME"
 do_bundle_initramfs () {
 	if [ ! -z "${INITRAMFS_IMAGE}" -a x"${INITRAMFS_IMAGE_BUNDLE}" = x1 ]; then
 		echo "Creating a kernel image with a bundled initramfs..."
 		copy_initramfs
 		if [ -e ${KERNEL_OUTPUT} ] ; then
 			mv -f ${KERNEL_OUTPUT} ${KERNEL_OUTPUT}.bak
 		fi
 		use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.cpio
 		kernel_do_compile
 		mv -f ${KERNEL_OUTPUT} ${KERNEL_OUTPUT}.initramfs
 		mv -f ${KERNEL_OUTPUT}.bak ${KERNEL_OUTPUT}
 		# Update install area
 		echo "There is kernel image bundled with initramfs: ${B}/${KERNEL_OUTPUT}.initramfs"
 		install -m 0644 ${B}/${KERNEL_OUTPUT}.initramfs ${D}/boot/${KERNEL_IMAGETYPE}-initramfs-${MACHINE}.bin
 		echo "${B}/${KERNEL_OUTPUT}.initramfs"
 	fi
 }

 python do_devshell_prepend () {
     os.environ["LDFLAGS"] = ''
 }

 addtask bundle_initramfs after do_install before do_deploy

 kernel_do_compile() {
 	unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
 	# 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/${INITRAMFS_IMAGE}-${MACHINE}.cpio
 	fi
 	oe_runmake ${KERNEL_IMAGETYPE_FOR_MAKE} ${KERNEL_ALT_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS} $use_alternate_initrd
 	if test "${KERNEL_IMAGETYPE_FOR_MAKE}.gz" = "${KERNEL_IMAGETYPE}"; then
 		gzip -9c < "${KERNEL_IMAGETYPE_FOR_MAKE}" > "${KERNEL_OUTPUT}"
 	fi
 }

 do_compile_kernelmodules() {
 	unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
 	if (grep -q -i -e '^CONFIG_MODULES=y$' ${B}/.config); then
 		oe_runmake -C ${B} ${PARALLEL_MAKE} modules CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS}
 	else
 		bbnote "no modules to compile"
 	fi
 }
 addtask compile_kernelmodules after do_compile before do_strip

 kernel_do_install() {
 	#
 	# First install the modules
 	#
 	unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
 	if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
 		oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install
 		rm "${D}/lib/modules/${KERNEL_VERSION}/build"
 		rm "${D}/lib/modules/${KERNEL_VERSION}/source"
 		# If the kernel/ directory is empty remove it to prevent QA issues
 		rmdir --ignore-fail-on-non-empty "${D}/lib/modules/${KERNEL_VERSION}/kernel"
 	else
 		bbnote "no modules to install"
 	fi

 	#
 	# Install various kernel output (zImage, map file, config, module support files)
 	#
 	install -d ${D}/${KERNEL_IMAGEDEST}
 	install -d ${D}/boot
 	install -m 0644 ${KERNEL_OUTPUT} ${D}/${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION}
 	install -m 0644 System.map ${D}/boot/System.map-${KERNEL_VERSION}
 	install -m 0644 .config ${D}/boot/config-${KERNEL_VERSION}
 	install -m 0644 vmlinux ${D}/boot/vmlinux-${KERNEL_VERSION}
 	[ -e Module.symvers ] && install -m 0644 Module.symvers ${D}/boot/Module.symvers-${KERNEL_VERSION}
 	install -d ${D}${sysconfdir}/modules-load.d
 	install -d ${D}${sysconfdir}/modprobe.d
 }
 do_install[prefuncs] += "package_get_auto_pr"

 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 ${PKGDESTWORK}/kernel-depmod/
 	echo "${KERNEL_VERSION}" > ${PKGDESTWORK}/kernel-depmod/kernel-abiversion
 	cp ${B}/System.map ${PKGDESTWORK}/kernel-depmod/System.map-${KERNEL_VERSION}
 }

 PACKAGEFUNCS += "emit_depmod_pkgdata"

 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-abiversion

 	# Copy files required for module builds
 	cp System.map $kerneldir/System.map-${KERNEL_VERSION}
 	cp Module.symvers $kerneldir/
 	cp .config $kerneldir/
 	mkdir -p $kerneldir/include/config
 	cp include/config/kernel.release $kerneldir/include/config/kernel.release

 	# 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
 		mkdir -p $kerneldir/arch/powerpc/lib/
 		cp arch/powerpc/lib/crtsavres.o $kerneldir/arch/powerpc/lib/crtsavres.o
 	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
 }

 # We don't need to stage anything, not the modules/firmware since those would clash with linux-firmware
 sysroot_stage_all () {
 	:
 }

 KERNEL_CONFIG_COMMAND ?= "oe_runmake_call -C ${S} O=${B} oldnoconfig || yes '' | oe_runmake -C ${S} O=${B} oldconfig"

 kernel_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
 	eval ${KERNEL_CONFIG_COMMAND}
 }

 do_savedefconfig() {
 	oe_runmake -C ${B} savedefconfig
 }
 do_savedefconfig[nostamp] = "1"
 addtask savedefconfig after do_configure

 inherit cml1

 EXPORT_FUNCTIONS do_compile do_install do_configure

 # kernel-base becomes kernel-${KERNEL_VERSION}
 # kernel-image becomes kernel-image-${KERNEL_VERISON}
 PACKAGES = "kernel kernel-base kernel-vmlinux kernel-image kernel-dev kernel-modules"
 FILES_${PN} = ""
 FILES_kernel-base = "/lib/modules/${KERNEL_VERSION}/modules.order /lib/modules/${KERNEL_VERSION}/modules.builtin"
 FILES_kernel-image = "/boot/${KERNEL_IMAGETYPE}*"
 FILES_kernel-dev = "/boot/System.map* /boot/Module.symvers* /boot/config* ${KERNEL_SRC_PATH} /lib/modules/${KERNEL_VERSION}/build"
 FILES_kernel-vmlinux = "/boot/vmlinux*"
 FILES_kernel-modules = ""
 RDEPENDS_kernel = "kernel-base"
 # Allow machines to override this dependency if kernel image files are
 # not wanted in images as standard
 RDEPENDS_kernel-base ?= "kernel-image"
 PKG_kernel-image = "kernel-image-${@legitimize_package_name('${KERNEL_VERSION}')}"
 RDEPENDS_kernel-image += "${@base_conditional('KERNEL_IMAGETYPE', 'vmlinux', 'kernel-vmlinux', '', d)}"
 PKG_kernel-base = "kernel-${@legitimize_package_name('${KERNEL_VERSION}')}"
 RPROVIDES_kernel-base += "kernel-${KERNEL_VERSION}"
 ALLOW_EMPTY_kernel = "1"
 ALLOW_EMPTY_kernel-base = "1"
 ALLOW_EMPTY_kernel-image = "1"
 ALLOW_EMPTY_kernel-modules = "1"
 DESCRIPTION_kernel-modules = "Kernel modules meta package"

 pkg_postinst_kernel-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
 }

 pkg_postinst_kernel-image () {
 	update-alternatives --install /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE} /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true
 }

 pkg_postrm_kernel-image () {
 	update-alternatives --remove ${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE}-${KERNEL_VERSION} || true
 }

 PACKAGESPLITFUNCS_prepend = "split_kernel_packages "

 python split_kernel_packages () {
     do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.(bin|fw|cis|dsp)$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
 }

 do_strip() {
 	if [ -n "${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}" ]; then
 		if [ "${KERNEL_IMAGETYPE}" != "vmlinux" ]; then
 			bbwarn "image type will not be stripped (not supported): ${KERNEL_IMAGETYPE}"
 			return
 		fi

 		cd ${B}
 		headers=`"$CROSS_COMPILE"readelf -S ${KERNEL_OUTPUT} | \
 			  grep "^ \{1,\}\[[0-9 ]\{1,\}\] [^ ]" | \
 			  sed "s/^ \{1,\}\[[0-9 ]\{1,\}\] //" | \
 			  gawk '{print $1}'`

 		for str in ${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}; do {
 			if [ "$headers" != *"$str"* ]; then
 				bbwarn "Section not found: $str";
 			fi

 			"$CROSS_COMPILE"strip -s -R $str ${KERNEL_OUTPUT}
 		}; done

 		bbnote "KERNEL_IMAGE_STRIP_EXTRA_SECTIONS is set, stripping sections:" \
 			"${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}"
 	fi;
 }
 do_strip[dirs] = "${B}"

 addtask do_strip before do_sizecheck after do_kernel_link_vmlinux

 # 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
 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 integerx (The unit is Kbytes)"
 		fi
 		size=`du -ks ${B}/${KERNEL_OUTPUT} | awk '{ print $1}'`
 		if [ $size -ge ${KERNEL_IMAGE_MAXSIZE} ]; then
 			die "This kernel (size=$size(K) > ${KERNEL_IMAGE_MAXSIZE}(K)) is too big for your device. Please reduce the size of the kernel by making more of it modular."
 		fi
 	fi
 }
 do_sizecheck[dirs] = "${B}"

 addtask sizecheck before do_install after do_strip

 KERNEL_IMAGE_BASE_NAME ?= "${KERNEL_IMAGETYPE}-${PKGE}-${PKGV}-${PKGR}-${MACHINE}-${DATETIME}"
 # Don't include the DATETIME variable in the sstate package signatures
 KERNEL_IMAGE_BASE_NAME[vardepsexclude] = "DATETIME"
 KERNEL_IMAGE_SYMLINK_NAME ?= "${KERNEL_IMAGETYPE}-${MACHINE}"
 MODULE_IMAGE_BASE_NAME ?= "modules-${PKGE}-${PKGV}-${PKGR}-${MACHINE}-${DATETIME}"
 MODULE_IMAGE_BASE_NAME[vardepsexclude] = "DATETIME"
 MODULE_TARBALL_BASE_NAME ?= "${MODULE_IMAGE_BASE_NAME}.tgz"
 # Don't include the DATETIME variable in the sstate package signatures
 MODULE_TARBALL_SYMLINK_NAME ?= "modules-${MACHINE}.tgz"
 MODULE_TARBALL_DEPLOY ?= "1"

 kernel_do_deploy() {
 	install -m 0644 ${KERNEL_OUTPUT} ${DEPLOYDIR}/${KERNEL_IMAGE_BASE_NAME}.bin
 	if [ ${MODULE_TARBALL_DEPLOY} = "1" ] && (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
 		mkdir -p ${D}/lib
 		tar -cvzf ${DEPLOYDIR}/${MODULE_TARBALL_BASE_NAME} -C ${D} lib
 		ln -sf ${MODULE_TARBALL_BASE_NAME} ${DEPLOYDIR}/${MODULE_TARBALL_SYMLINK_NAME}
 	fi

 	ln -sf ${KERNEL_IMAGE_BASE_NAME}.bin ${DEPLOYDIR}/${KERNEL_IMAGE_SYMLINK_NAME}.bin
 	ln -sf ${KERNEL_IMAGE_BASE_NAME}.bin ${DEPLOYDIR}/${KERNEL_IMAGETYPE}

 	cp ${COREBASE}/meta/files/deploydir_readme.txt ${DEPLOYDIR}/README_-_DO_NOT_DELETE_FILES_IN_THIS_DIRECTORY.txt

 	cd ${B}
 	# Update deploy directory
 	if [ -e "${KERNEL_OUTPUT}.initramfs" ]; then
 		echo "Copying deploy kernel-initramfs image and setting up links..."
 		initramfs_base_name=${INITRAMFS_BASE_NAME}
 		initramfs_symlink_name=${KERNEL_IMAGETYPE}-initramfs-${MACHINE}
 		install -m 0644 ${KERNEL_OUTPUT}.initramfs ${DEPLOYDIR}/${initramfs_base_name}.bin
 		cd ${DEPLOYDIR}
 		ln -sf ${initramfs_base_name}.bin ${initramfs_symlink_name}.bin
 	fi
 }
 do_deploy[dirs] = "${DEPLOYDIR} ${B}"
 do_deploy[prefuncs] += "package_get_auto_pr"

 addtask deploy after do_populate_sysroot

 EXPORT_FUNCTIONS do_deploy
	inherit linux-kernel-base kernel-module-split

	PROVIDES += "virtual/kernel"
	DEPENDS += "virtual/${TARGET_PREFIX}binutils virtual/${TARGET_PREFIX}gcc kmod-native depmodwrapper-cross bc-native"

	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_TASK ?= ""
	INITRAMFS_IMAGE_BUNDLE ?= ""

	python __anonymous () {
	import re

	kerneltype = d.getVar('KERNEL_IMAGETYPE', True)

	d.setVar("KERNEL_IMAGETYPE_FOR_MAKE", re.sub(r'\.gz$', '', kerneltype))

	image = d.getVar('INITRAMFS_IMAGE', True)
	if image:
	d.appendVarFlag('do_bundle_initramfs', 'depends', ' ${INITRAMFS_IMAGE}:do_rootfs')

	# 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', True)
	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}"
	base_do_unpack_append () {
	s = d.getVar("S", True)
	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", True)
	if s != kernsrc:
	bb.utils.mkdirhier(kernsrc)
	bb.utils.remove(kernsrc, recurse=True)
	if d.getVar("EXTERNALSRC", True):
	# 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)
	}

	inherit kernel-arch deploy

	PACKAGES_DYNAMIC += "^kernel-module-.*"
	PACKAGES_DYNAMIC += "^kernel-image-.*"
	PACKAGES_DYNAMIC += "^kernel-firmware-.*"

	export OS = "${TARGET_OS}"
	export CROSS_COMPILE = "${TARGET_PREFIX}"

	KERNEL_PRIORITY ?= "${@int(d.getVar('PV',1).split('-')[0].split('+')[0].split('.')[0]) * 10000 + \
	int(d.getVar('PV',1).split('-')[0].split('+')[0].split('.')[1]) * 100 + \
	int(d.getVar('PV',1).split('-')[0].split('+')[0].split('.')[-1])}"

	KERNEL_RELEASE ?= "${KERNEL_VERSION}"

	# Where built kernel lies in the kernel tree
	KERNEL_OUTPUT ?= "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}"
	KERNEL_IMAGEDEST = "boot"

	#
	# configuration
	#
	export CMDLINE_CONSOLE = "console=${@d.getVar("KERNEL_CONSOLE",1) or "ttyS0"}"

	KERNEL_VERSION = "${@get_kernelversion_headers('${B}')}"

	KERNEL_LOCALVERSION ?= ""

	# 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 ?= ""

	# For the kernel, we don't want the '-e MAKEFLAGS=' in EXTRA_OEMAKE.
	# We don't want to override kernel Makefile variables from the environment
	EXTRA_OEMAKE = ""

	KERNEL_ALT_IMAGETYPE ??= ""

	# Define where the kernel headers are installed on the target as well as where
	# they are staged.
	KERNEL_SRC_PATH = "/usr/src/kernel"

	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}-${MACHINE}.cpio
	for img in cpio.gz cpio.lz4 cpio.lzo cpio.lzma cpio.xz; do
	if [ -e "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img" ]; then
	cp ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img ${B}/usr/.
	case $img in
	*gz)
	echo "gzip decompressing image"
	gunzip -f ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
	break
	;;
	*lz4)
	echo "lz4 decompressing image"
	lz4 -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
	break
	;;
	*lzo)
	echo "lzo decompressing image"
	lzop -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
	break
	;;
	*lzma)
	echo "lzma decompressing image"
	lzma -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
	break
	;;
	*xz)
	echo "xz decompressing image"
	xz -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
	break
	;;
	esac
	fi
	done
	echo "Finished copy of initramfs into ./usr"
	}

	INITRAMFS_BASE_NAME = "${KERNEL_IMAGETYPE}-initramfs-${PV}-${PR}-${MACHINE}-${DATETIME}"
	INITRAMFS_BASE_NAME[vardepsexclude] = "DATETIME"
	do_bundle_initramfs () {
	if [ ! -z "${INITRAMFS_IMAGE}" -a x"${INITRAMFS_IMAGE_BUNDLE}" = x1 ]; then
	echo "Creating a kernel image with a bundled initramfs..."
	copy_initramfs
	if [ -e ${KERNEL_OUTPUT} ] ; then
	mv -f ${KERNEL_OUTPUT} ${KERNEL_OUTPUT}.bak
	fi
	use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.cpio
	kernel_do_compile
	mv -f ${KERNEL_OUTPUT} ${KERNEL_OUTPUT}.initramfs
	mv -f ${KERNEL_OUTPUT}.bak ${KERNEL_OUTPUT}
	# Update install area
	echo "There is kernel image bundled with initramfs: ${B}/${KERNEL_OUTPUT}.initramfs"
	install -m 0644 ${B}/${KERNEL_OUTPUT}.initramfs ${D}/boot/${KERNEL_IMAGETYPE}-initramfs-${MACHINE}.bin
	echo "${B}/${KERNEL_OUTPUT}.initramfs"
	fi
	}

	python do_devshell_prepend () {
	os.environ["LDFLAGS"] = ''
	}

	addtask bundle_initramfs after do_install before do_deploy

	kernel_do_compile() {
	unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
	# 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/${INITRAMFS_IMAGE}-${MACHINE}.cpio
	fi
	oe_runmake ${KERNEL_IMAGETYPE_FOR_MAKE} ${KERNEL_ALT_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS} $use_alternate_initrd
	if test "${KERNEL_IMAGETYPE_FOR_MAKE}.gz" = "${KERNEL_IMAGETYPE}"; then
	gzip -9c < "${KERNEL_IMAGETYPE_FOR_MAKE}" > "${KERNEL_OUTPUT}"
	fi
	}

	do_compile_kernelmodules() {
	unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
	if (grep -q -i -e '^CONFIG_MODULES=y$' ${B}/.config); then
	oe_runmake -C ${B} ${PARALLEL_MAKE} modules CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS}
	else
	bbnote "no modules to compile"
	fi
	}
	addtask compile_kernelmodules after do_compile before do_strip

	kernel_do_install() {
	#
	# First install the modules
	#
	unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
	if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
	oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install
	rm "${D}/lib/modules/${KERNEL_VERSION}/build"
	rm "${D}/lib/modules/${KERNEL_VERSION}/source"
	# If the kernel/ directory is empty remove it to prevent QA issues
	rmdir --ignore-fail-on-non-empty "${D}/lib/modules/${KERNEL_VERSION}/kernel"
	else
	bbnote "no modules to install"
	fi

	#
	# Install various kernel output (zImage, map file, config, module support files)
	#
	install -d ${D}/${KERNEL_IMAGEDEST}
	install -d ${D}/boot
	install -m 0644 ${KERNEL_OUTPUT} ${D}/${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION}
	install -m 0644 System.map ${D}/boot/System.map-${KERNEL_VERSION}
	install -m 0644 .config ${D}/boot/config-${KERNEL_VERSION}
	install -m 0644 vmlinux ${D}/boot/vmlinux-${KERNEL_VERSION}
	[ -e Module.symvers ] && install -m 0644 Module.symvers ${D}/boot/Module.symvers-${KERNEL_VERSION}
	install -d ${D}${sysconfdir}/modules-load.d
	install -d ${D}${sysconfdir}/modprobe.d
	}
	do_install[prefuncs] += "package_get_auto_pr"

	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 ${PKGDESTWORK}/kernel-depmod/
	echo "${KERNEL_VERSION}" > ${PKGDESTWORK}/kernel-depmod/kernel-abiversion
	cp ${B}/System.map ${PKGDESTWORK}/kernel-depmod/System.map-${KERNEL_VERSION}
	}

	PACKAGEFUNCS += "emit_depmod_pkgdata"

	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-abiversion

	# Copy files required for module builds
	cp System.map $kerneldir/System.map-${KERNEL_VERSION}
	cp Module.symvers $kerneldir/
	cp .config $kerneldir/
	mkdir -p $kerneldir/include/config
	cp include/config/kernel.release $kerneldir/include/config/kernel.release

	# 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
	mkdir -p $kerneldir/arch/powerpc/lib/
	cp arch/powerpc/lib/crtsavres.o $kerneldir/arch/powerpc/lib/crtsavres.o
	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
	}

	# We don't need to stage anything, not the modules/firmware since those would clash with linux-firmware
	sysroot_stage_all () {
	:
	}

	KERNEL_CONFIG_COMMAND ?= "oe_runmake_call -C ${S} O=${B} oldnoconfig \|\| yes '' \| oe_runmake -C ${S} O=${B} oldconfig"

	kernel_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
	eval ${KERNEL_CONFIG_COMMAND}
	}

	do_savedefconfig() {
	oe_runmake -C ${B} savedefconfig
	}
	do_savedefconfig[nostamp] = "1"
	addtask savedefconfig after do_configure

	inherit cml1

	EXPORT_FUNCTIONS do_compile do_install do_configure

	# kernel-base becomes kernel-${KERNEL_VERSION}
	# kernel-image becomes kernel-image-${KERNEL_VERISON}
	PACKAGES = "kernel kernel-base kernel-vmlinux kernel-image kernel-dev kernel-modules"
	FILES_${PN} = ""
	FILES_kernel-base = "/lib/modules/${KERNEL_VERSION}/modules.order /lib/modules/${KERNEL_VERSION}/modules.builtin"
	FILES_kernel-image = "/boot/${KERNEL_IMAGETYPE}*"
	FILES_kernel-dev = "/boot/System.map* /boot/Module.symvers* /boot/config* ${KERNEL_SRC_PATH} /lib/modules/${KERNEL_VERSION}/build"
	FILES_kernel-vmlinux = "/boot/vmlinux*"
	FILES_kernel-modules = ""
	RDEPENDS_kernel = "kernel-base"
	# Allow machines to override this dependency if kernel image files are
	# not wanted in images as standard
	RDEPENDS_kernel-base ?= "kernel-image"
	PKG_kernel-image = "kernel-image-${@legitimize_package_name('${KERNEL_VERSION}')}"
	RDEPENDS_kernel-image += "${@base_conditional('KERNEL_IMAGETYPE', 'vmlinux', 'kernel-vmlinux', '', d)}"
	PKG_kernel-base = "kernel-${@legitimize_package_name('${KERNEL_VERSION}')}"
	RPROVIDES_kernel-base += "kernel-${KERNEL_VERSION}"
	ALLOW_EMPTY_kernel = "1"
	ALLOW_EMPTY_kernel-base = "1"
	ALLOW_EMPTY_kernel-image = "1"
	ALLOW_EMPTY_kernel-modules = "1"
	DESCRIPTION_kernel-modules = "Kernel modules meta package"

	pkg_postinst_kernel-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
	}

	pkg_postinst_kernel-image () {
	update-alternatives --install /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE} /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION} ${KERNEL_PRIORITY} \|\| true
	}

	pkg_postrm_kernel-image () {
	update-alternatives --remove ${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE}-${KERNEL_VERSION} \|\| true
	}

	PACKAGESPLITFUNCS_prepend = "split_kernel_packages "

	python split_kernel_packages () {
	do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.(bin\|fw\|cis\|dsp)$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
	}

	do_strip() {
	if [ -n "${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}" ]; then
	if [ "${KERNEL_IMAGETYPE}" != "vmlinux" ]; then
	bbwarn "image type will not be stripped (not supported): ${KERNEL_IMAGETYPE}"
	return
	fi

	cd ${B}
	headers=`"$CROSS_COMPILE"readelf -S ${KERNEL_OUTPUT} \| \
	grep "^ \{1,\}\[[0-9 ]\{1,\}\] [^ ]" \| \
	sed "s/^ \{1,\}\[[0-9 ]\{1,\}\] //" \| \
	gawk '{print $1}'`

	for str in ${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}; do {
	if [ "$headers" != "$str" ]; then
	bbwarn "Section not found: $str";
	fi

	"$CROSS_COMPILE"strip -s -R $str ${KERNEL_OUTPUT}
	}; done

	bbnote "KERNEL_IMAGE_STRIP_EXTRA_SECTIONS is set, stripping sections:" \
	"${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}"
	fi;
	}
	do_strip[dirs] = "${B}"

	addtask do_strip before do_sizecheck after do_kernel_link_vmlinux

	# 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
	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 integerx (The unit is Kbytes)"
	fi
	size=`du -ks ${B}/${KERNEL_OUTPUT} \| awk '{ print $1}'`
	if [ $size -ge ${KERNEL_IMAGE_MAXSIZE} ]; then
	die "This kernel (size=$size(K) > ${KERNEL_IMAGE_MAXSIZE}(K)) is too big for your device. Please reduce the size of the kernel by making more of it modular."
	fi
	fi
	}
	do_sizecheck[dirs] = "${B}"

	addtask sizecheck before do_install after do_strip

	KERNEL_IMAGE_BASE_NAME ?= "${KERNEL_IMAGETYPE}-${PKGE}-${PKGV}-${PKGR}-${MACHINE}-${DATETIME}"
	# Don't include the DATETIME variable in the sstate package signatures
	KERNEL_IMAGE_BASE_NAME[vardepsexclude] = "DATETIME"
	KERNEL_IMAGE_SYMLINK_NAME ?= "${KERNEL_IMAGETYPE}-${MACHINE}"
	MODULE_IMAGE_BASE_NAME ?= "modules-${PKGE}-${PKGV}-${PKGR}-${MACHINE}-${DATETIME}"
	MODULE_IMAGE_BASE_NAME[vardepsexclude] = "DATETIME"
	MODULE_TARBALL_BASE_NAME ?= "${MODULE_IMAGE_BASE_NAME}.tgz"
	# Don't include the DATETIME variable in the sstate package signatures
	MODULE_TARBALL_SYMLINK_NAME ?= "modules-${MACHINE}.tgz"
	MODULE_TARBALL_DEPLOY ?= "1"

	kernel_do_deploy() {
	install -m 0644 ${KERNEL_OUTPUT} ${DEPLOYDIR}/${KERNEL_IMAGE_BASE_NAME}.bin
	if [ ${MODULE_TARBALL_DEPLOY} = "1" ] && (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
	mkdir -p ${D}/lib
	tar -cvzf ${DEPLOYDIR}/${MODULE_TARBALL_BASE_NAME} -C ${D} lib
	ln -sf ${MODULE_TARBALL_BASE_NAME} ${DEPLOYDIR}/${MODULE_TARBALL_SYMLINK_NAME}
	fi

	ln -sf ${KERNEL_IMAGE_BASE_NAME}.bin ${DEPLOYDIR}/${KERNEL_IMAGE_SYMLINK_NAME}.bin
	ln -sf ${KERNEL_IMAGE_BASE_NAME}.bin ${DEPLOYDIR}/${KERNEL_IMAGETYPE}

	cp ${COREBASE}/meta/files/deploydir_readme.txt ${DEPLOYDIR}/README_-_DO_NOT_DELETE_FILES_IN_THIS_DIRECTORY.txt

	cd ${B}
	# Update deploy directory
	if [ -e "${KERNEL_OUTPUT}.initramfs" ]; then
	echo "Copying deploy kernel-initramfs image and setting up links..."
	initramfs_base_name=${INITRAMFS_BASE_NAME}
	initramfs_symlink_name=${KERNEL_IMAGETYPE}-initramfs-${MACHINE}
	install -m 0644 ${KERNEL_OUTPUT}.initramfs ${DEPLOYDIR}/${initramfs_base_name}.bin
	cd ${DEPLOYDIR}
	ln -sf ${initramfs_base_name}.bin ${initramfs_symlink_name}.bin
	fi
	}
	do_deploy[dirs] = "${DEPLOYDIR} ${B}"
	do_deploy[prefuncs] += "package_get_auto_pr"

	addtask deploy after do_populate_sysroot

	EXPORT_FUNCTIONS do_deploy