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-rw-r--r--meta/classes/kernel.bbclass422
1 files changed, 287 insertions, 135 deletions
diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 125ed88406..8954b28b2c 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -1,7 +1,10 @@
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"
+DEPENDS += "virtual/${TARGET_PREFIX}binutils virtual/${TARGET_PREFIX}gcc kmod-native bc-native lzop-native"
+PACKAGE_WRITE_DEPS += "depmodwrapper-cross virtual/update-alternatives-native"
+
+do_deploy[depends] += "depmodwrapper-cross:do_populate_sysroot"
S = "${STAGING_KERNEL_DIR}"
B = "${WORKDIR}/build"
@@ -13,29 +16,88 @@ INHIBIT_DEFAULT_DEPS = "1"
KERNEL_IMAGETYPE ?= "zImage"
INITRAMFS_IMAGE ?= ""
+INITRAMFS_IMAGE_NAME ?= "${@['${INITRAMFS_IMAGE}-${MACHINE}', ''][d.getVar('INITRAMFS_IMAGE') == '']}"
INITRAMFS_TASK ?= ""
INITRAMFS_IMAGE_BUNDLE ?= ""
+# KERNEL_VERSION is extracted from source code. It is evaluated as
+# None for the first parsing, since the code has not been fetched.
+# After the code is fetched, it will be evaluated as real version
+# number and cause kernel to be rebuilt. To avoid this, make
+# KERNEL_VERSION_NAME and KERNEL_VERSION_PKG_NAME depend on
+# LINUX_VERSION which is a constant.
+KERNEL_VERSION_NAME = "${@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] = "${LINUX_VERSION}"
+
python __anonymous () {
- kerneltype = d.getVar('KERNEL_IMAGETYPE', True)
- if kerneltype == 'uImage':
- depends = d.getVar("DEPENDS", True)
- depends = "%s u-boot-mkimage-native" % depends
- d.setVar("DEPENDS", depends)
+ import re
+
+ # Merge KERNEL_IMAGETYPE and KERNEL_ALT_IMAGETYPE into KERNEL_IMAGETYPES
+ type = d.getVar('KERNEL_IMAGETYPE') or ""
+ alttype = d.getVar('KERNEL_ALT_IMAGETYPE') or ""
+ types = d.getVar('KERNEL_IMAGETYPES') or ""
+ if type not in types.split():
+ types = (type + ' ' + types).strip()
+ if alttype not in types.split():
+ types = (alttype + ' ' + types).strip()
+ d.setVar('KERNEL_IMAGETYPES', types)
+
+ typeformake = re.sub(r'\.gz', '', types)
+ d.setVar('KERNEL_IMAGETYPE_FOR_MAKE', typeformake)
+
+ for type in types.split():
+ typelower = type.lower()
+ imagedest = d.getVar('KERNEL_IMAGEDEST')
+
+ d.appendVar('PACKAGES', ' ' + 'kernel-image-' + typelower)
+
+ d.setVar('FILES_kernel-image-' + typelower, '/' + imagedest + '/' + type + '-${KERNEL_VERSION_NAME}')
+
+ d.appendVar('RDEPENDS_kernel-image', ' ' + 'kernel-image-' + typelower)
+
+ d.setVar('PKG_kernel-image-' + typelower, 'kernel-image-' + typelower + '-${KERNEL_VERSION_PKG_NAME}')
- image = d.getVar('INITRAMFS_IMAGE', True)
+ d.setVar('ALLOW_EMPTY_kernel-image-' + typelower, '1')
+
+ priority = d.getVar('KERNEL_PRIORITY')
+ postinst = '#!/bin/sh\n' + 'update-alternatives --install /' + imagedest + '/' + type + ' ' + type + ' ' + type + '-${KERNEL_VERSION_NAME} ' + priority + ' || true' + '\n'
+ d.setVar('pkg_postinst_kernel-image-' + typelower, postinst)
+
+ postrm = '#!/bin/sh\n' + 'update-alternatives --remove' + ' ' + type + ' ' + type + '-${KERNEL_VERSION_NAME} || true' + '\n'
+ d.setVar('pkg_postrm_kernel-image-' + typelower, postrm)
+
+ image = d.getVar('INITRAMFS_IMAGE')
if image:
- d.appendVarFlag('do_bundle_initramfs', 'depends', ' ${INITRAMFS_IMAGE}:do_rootfs')
+ d.appendVarFlag('do_bundle_initramfs', 'depends', ' ${INITRAMFS_IMAGE}:do_image_complete')
# 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)
+ 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
@@ -43,17 +105,21 @@ python __anonymous () {
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)
+ 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", True)
+ kernsrc = d.getVar("STAGING_KERNEL_DIR")
if s != kernsrc:
bb.utils.mkdirhier(kernsrc)
bb.utils.remove(kernsrc, recurse=True)
- import subprocess
- subprocess.call(d.expand("mv ${S} ${STAGING_KERNEL_DIR}"), shell=True)
- os.symlink(kernsrc, s)
+ if d.getVar("EXTERNALSRC"):
+ # With EXTERNALSRC S will not be wiped so we can symlink to it
+ os.symlink(s, kernsrc)
+ else:
+ import shutil
+ shutil.move(s, kernsrc)
+ os.symlink(kernsrc, s)
}
inherit kernel-arch deploy
@@ -65,20 +131,20 @@ PACKAGES_DYNAMIC += "^kernel-firmware-.*"
export OS = "${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_PRIORITY ?= "${@int(d.getVar('PV').split('-')[0].split('+')[0].split('.')[0]) * 10000 + \
+ int(d.getVar('PV').split('-')[0].split('+')[0].split('.')[1]) * 100 + \
+ int(d.getVar('PV').split('-')[0].split('+')[0].split('.')[-1])}"
KERNEL_RELEASE ?= "${KERNEL_VERSION}"
-# Where built kernel lies in the kernel tree
-KERNEL_OUTPUT ?= "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}"
+# The directory where built kernel lies in the kernel tree
+KERNEL_OUTPUT_DIR ?= "arch/${ARCH}/boot"
KERNEL_IMAGEDEST = "boot"
#
# configuration
#
-export CMDLINE_CONSOLE = "console=${@d.getVar("KERNEL_CONSOLE",1) or "ttyS0"}"
+export CMDLINE_CONSOLE = "console=${@d.getVar("KERNEL_CONSOLE") or "ttyS0"}"
KERNEL_VERSION = "${@get_kernelversion_headers('${B}')}"
@@ -94,51 +160,42 @@ UBOOT_LOADADDRESS ?= "${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 = ""
-
+EXTRA_OEMAKE = " HOSTCC="${BUILD_CC}" HOSTCPP="${BUILD_CPP}""
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"
-
-KERNEL_IMAGETYPE_FOR_MAKE = "${@(lambda s: s[:-3] if s[-3:] == ".gz" else s)(d.getVar('KERNEL_IMAGETYPE', True))}"
-
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/.
+ rm -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
+ for img in cpio cpio.gz cpio.lz4 cpio.lzo cpio.lzma cpio.xz; do
+ if [ -e "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.$img" ]; then
+ cp ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE_NAME}.$img ${B}/usr/.
case $img in
*gz)
echo "gzip decompressing image"
- gunzip -f ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
+ gunzip -f ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
break
;;
*lz4)
echo "lz4 decompressing image"
- lz4 -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
+ lz4 -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
break
;;
*lzo)
echo "lzo decompressing image"
- lzop -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
+ lzop -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
break
;;
*lzma)
echo "lzma decompressing image"
- lzma -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
+ lzma -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
break
;;
*xz)
echo "xz decompressing image"
- xz -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img
+ xz -df ${B}/usr/${INITRAMFS_IMAGE_NAME}.$img
break
;;
esac
@@ -147,25 +204,44 @@ copy_initramfs() {
echo "Finished copy of initramfs into ./usr"
}
-INITRAMFS_BASE_NAME = "${KERNEL_IMAGETYPE}-initramfs-${PV}-${PR}-${MACHINE}-${DATETIME}"
+INITRAMFS_BASE_NAME ?= "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
+ # Backing up kernel image relies on its type(regular file or symbolic link)
+ tmp_path=""
+ for type in ${KERNEL_IMAGETYPES} ; do
+ if [ -h ${KERNEL_OUTPUT_DIR}/$type ] ; then
+ linkpath=`readlink -n ${KERNEL_OUTPUT_DIR}/$type`
+ realpath=`readlink -fn ${KERNEL_OUTPUT_DIR}/$type`
+ mv -f $realpath $realpath.bak
+ tmp_path=$tmp_path" "$type"#"$linkpath"#"$realpath
+ elif [ -f ${KERNEL_OUTPUT_DIR}/$type ]; then
+ mv -f ${KERNEL_OUTPUT_DIR}/$type ${KERNEL_OUTPUT_DIR}/$type.bak
+ tmp_path=$tmp_path" "$type"##"
+ fi
+ done
+ use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${B}/usr/${INITRAMFS_IMAGE_NAME}.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"
+ # Restoring kernel image
+ for tp in $tmp_path ; do
+ type=`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}/$type.initramfs
+ else
+ mv -f ${KERNEL_OUTPUT_DIR}/$type ${KERNEL_OUTPUT_DIR}/$type.initramfs
+ mv -f ${KERNEL_OUTPUT_DIR}/$type.bak ${KERNEL_OUTPUT_DIR}/$type
+ fi
+ done
fi
}
+do_bundle_initramfs[dirs] = "${B}"
python do_devshell_prepend () {
os.environ["LDFLAGS"] = ''
@@ -186,18 +262,32 @@ kernel_do_compile() {
# The old style way of copying an prebuilt image and building it
# is turned on via INTIRAMFS_TASK != ""
copy_initramfs
- use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${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}" > "${KERNEL_OUTPUT}"
+ use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${B}/usr/${INITRAMFS_IMAGE_NAME}.cpio
fi
+ for typeformake in ${KERNEL_IMAGETYPE_FOR_MAKE} ; do
+ oe_runmake ${typeformake} CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS} $use_alternate_initrd
+ for type in ${KERNEL_IMAGETYPES} ; do
+ if test "${typeformake}.gz" = "${type}"; then
+ mkdir -p "${KERNEL_OUTPUT_DIR}"
+ gzip -9c < "${typeformake}" > "${KERNEL_OUTPUT_DIR}/${type}"
+ break;
+ fi
+ done
+ done
}
do_compile_kernelmodules() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
- if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
- oe_runmake ${PARALLEL_MAKE} modules CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS}
+ if (grep -q -i -e '^CONFIG_MODULES=y$' ${B}/.config); then
+ oe_runmake -C ${B} ${PARALLEL_MAKE} modules CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS}
+
+ # 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 ${STAGING_KERNEL_BUILDDIR}/
else
bbnote "no modules to compile"
fi
@@ -210,11 +300,11 @@ kernel_do_install() {
#
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
- oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install
- rm "${D}/lib/modules/${KERNEL_VERSION}/build"
- rm "${D}/lib/modules/${KERNEL_VERSION}/source"
+ oe_runmake DEPMOD=echo MODLIB=${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"
# If the kernel/ directory is empty remove it to prevent QA issues
- rmdir --ignore-fail-on-non-empty "${D}/lib/modules/${KERNEL_VERSION}/kernel"
+ rmdir --ignore-fail-on-non-empty "${D}${nonarch_base_libdir}/modules/${KERNEL_VERSION}/kernel"
else
bbnote "no modules to install"
fi
@@ -224,7 +314,9 @@ kernel_do_install() {
#
install -d ${D}/${KERNEL_IMAGEDEST}
install -d ${D}/boot
- install -m 0644 ${KERNEL_OUTPUT} ${D}/${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION}
+ for type in ${KERNEL_IMAGETYPES} ; do
+ install -m 0644 ${KERNEL_OUTPUT_DIR}/${type} ${D}/${KERNEL_IMAGEDEST}/${type}-${KERNEL_VERSION}
+ done
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}
@@ -234,13 +326,52 @@ kernel_do_install() {
}
do_install[prefuncs] += "package_get_auto_pr"
-addtask shared_workdir after do_compile before do_install
+# 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 ${PKGDESTWORK}/kernel-depmod/
echo "${KERNEL_VERSION}" > ${PKGDESTWORK}/kernel-depmod/kernel-abiversion
- cp System.map ${PKGDESTWORK}/kernel-depmod/System.map-${KERNEL_VERSION}
+ cp ${B}/System.map ${PKGDESTWORK}/kernel-depmod/System.map-${KERNEL_VERSION}
}
PACKAGEFUNCS += "emit_depmod_pkgdata"
@@ -263,6 +394,14 @@ do_shared_workdir () {
cp .config $kerneldir/
mkdir -p $kerneldir/include/config
cp include/config/kernel.release $kerneldir/include/config/kernel.release
+ if [ -e certs/signing_key.pem ]; 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
@@ -280,8 +419,10 @@ do_shared_workdir () {
cp arch/powerpc/lib/crtsavres.o $kerneldir/arch/powerpc/lib/crtsavres.o
fi
- mkdir -p $kerneldir/include/generated/
- cp -fR include/generated/* $kerneldir/include/generated/
+ 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/
@@ -296,6 +437,20 @@ sysroot_stage_all () {
KERNEL_CONFIG_COMMAND ?= "oe_runmake_call -C ${S} O=${B} oldnoconfig || yes '' | oe_runmake -C ${S} O=${B} oldconfig"
+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_do_configure() {
# fixes extra + in /lib/modules/2.6.37+
# $ scripts/setlocalversion . => +
@@ -312,11 +467,13 @@ kernel_do_configure() {
if [ -f "${WORKDIR}/defconfig" ] && [ ! -f "${B}/.config" ]; then
cp "${WORKDIR}/defconfig" "${B}/.config"
fi
- eval ${KERNEL_CONFIG_COMMAND}
+
+ ${KERNEL_CONFIG_COMMAND}
}
do_savedefconfig() {
- oe_runmake savedefconfig
+ bbplain "Saving defconfig to:\n${B}/defconfig"
+ oe_runmake -C ${B} savedefconfig
}
do_savedefconfig[nostamp] = "1"
addtask savedefconfig after do_configure
@@ -326,19 +483,20 @@ inherit cml1
EXPORT_FUNCTIONS do_compile do_install do_configure
# kernel-base becomes kernel-${KERNEL_VERSION}
-# kernel-image becomes kernel-image-${KERNEL_VERISON}
+# kernel-image becomes kernel-image-${KERNEL_VERSION}
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-base = "${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.order ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.builtin"
+FILES_kernel-image = ""
+FILES_kernel-dev = "/boot/System.map* /boot/Module.symvers* /boot/config* ${KERNEL_SRC_PATH} ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
+FILES_kernel-vmlinux = "/boot/vmlinux-${KERNEL_VERSION_NAME}"
FILES_kernel-modules = ""
RDEPENDS_kernel = "kernel-base"
-# Allow machines to override this dependency if kernel image files are
+# Allow machines to override this dependency if kernel image files are
# not wanted in images as standard
RDEPENDS_kernel-base ?= "kernel-image"
PKG_kernel-image = "kernel-image-${@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-${KERNEL_VERSION}"
ALLOW_EMPTY_kernel = "1"
@@ -358,39 +516,50 @@ pkg_postinst_kernel-base () {
fi
}
-pkg_postinst_kernel-image () {
- update-alternatives --install /${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)$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
+ do_split_packages(d, root='${nonarch_base_libdir}/firmware', file_regex='^(.*)\.(bin|fw|cis|csp|dsp)$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
+}
+
+# Many scripts want to look in arch/$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
}
+addtask kernel_link_images after do_compile before do_strip
do_strip() {
if [ -n "${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}" ]; then
- if [ "${KERNEL_IMAGETYPE}" != "vmlinux" ]; then
- bbwarn "image type will not be stripped (not supported): ${KERNEL_IMAGETYPE}"
+ if ! (echo "${KERNEL_IMAGETYPES}" | grep -wq "vmlinux"); then
+ bbwarn "image type(s) will not be stripped (not supported): ${KERNEL_IMAGETYPES}"
return
fi
cd ${B}
- headers=`"$CROSS_COMPILE"readelf -S ${KERNEL_OUTPUT} | \
+ headers=`"$CROSS_COMPILE"readelf -S ${KERNEL_OUTPUT_DIR}/vmlinux | \
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" != *"$str"* ]; then
+ if ! (echo "$headers" | grep -q "^$str$"); then
bbwarn "Section not found: $str";
fi
- "$CROSS_COMPILE"strip -s -R $str ${KERNEL_OUTPUT}
+ "$CROSS_COMPILE"strip -s -R $str ${KERNEL_OUTPUT_DIR}/vmlinux
}; done
bbnote "KERNEL_IMAGE_STRIP_EXTRA_SECTIONS is set, stripping sections:" \
@@ -399,7 +568,7 @@ do_strip() {
}
do_strip[dirs] = "${B}"
-addtask do_strip before do_sizecheck after do_kernel_link_vmlinux
+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
@@ -409,20 +578,22 @@ do_sizecheck() {
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
+ for type in ${KERNEL_IMAGETYPES} ; do
+ size=`du -ks ${B}/${KERNEL_OUTPUT_DIR}/$type | awk '{print $1}'`
+ if [ $size -ge ${KERNEL_IMAGE_MAXSIZE} ]; then
+ warn "This kernel $type (size=$size(K) > ${KERNEL_IMAGE_MAXSIZE}(K)) is too big for your device. Please reduce the size of the kernel by making more of it modular."
+ fi
+ done
fi
}
do_sizecheck[dirs] = "${B}"
addtask sizecheck before do_install after do_strip
-KERNEL_IMAGE_BASE_NAME ?= "${KERNEL_IMAGETYPE}-${PKGE}-${PKGV}-${PKGR}-${MACHINE}-${DATETIME}"
+KERNEL_IMAGE_BASE_NAME ?= "${PKGE}-${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}-${MACHINE}"
+KERNEL_IMAGE_SYMLINK_NAME ?= "${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"
@@ -430,59 +601,40 @@ MODULE_TARBALL_BASE_NAME ?= "${MODULE_IMAGE_BASE_NAME}.tgz"
MODULE_TARBALL_SYMLINK_NAME ?= "modules-${MACHINE}.tgz"
MODULE_TARBALL_DEPLOY ?= "1"
-do_uboot_mkimage() {
- if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then
- if test "x${KEEPUIMAGE}" != "xyes" ; then
- ENTRYPOINT=${UBOOT_ENTRYPOINT}
- if test -n "${UBOOT_ENTRYSYMBOL}"; then
- ENTRYPOINT=`${HOST_PREFIX}nm ${S}/vmlinux | \
- awk '$3=="${UBOOT_ENTRYSYMBOL}" {print $1}'`
- fi
- if test -e arch/${ARCH}/boot/compressed/vmlinux ; then
- ${OBJCOPY} -O binary -R .note -R .comment -S arch/${ARCH}/boot/compressed/vmlinux linux.bin
- uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C none -a ${UBOOT_LOADADDRESS} -e $ENTRYPOINT -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin arch/${ARCH}/boot/uImage
- rm -f linux.bin
- else
- ${OBJCOPY} -O binary -R .note -R .comment -S vmlinux linux.bin
- rm -f linux.bin.gz
- gzip -9 linux.bin
- uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C gzip -a ${UBOOT_LOADADDRESS} -e $ENTRYPOINT -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin.gz arch/${ARCH}/boot/uImage
- rm -f linux.bin.gz
- fi
- fi
- fi
-}
-
-addtask uboot_mkimage before do_install after do_compile
-
kernel_do_deploy() {
- install -m 0644 ${KERNEL_OUTPUT} ${DEPLOYDIR}/${KERNEL_IMAGE_BASE_NAME}.bin
+ for type in ${KERNEL_IMAGETYPES} ; do
+ base_name=${type}-${KERNEL_IMAGE_BASE_NAME}
+ install -m 0644 ${KERNEL_OUTPUT_DIR}/${type} ${DEPLOYDIR}/${base_name}.bin
+ done
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
+ for type in ${KERNEL_IMAGETYPES} ; do
+ base_name=${type}-${KERNEL_IMAGE_BASE_NAME}
+ symlink_name=${type}-${KERNEL_IMAGE_SYMLINK_NAME}
+ ln -sf ${base_name}.bin ${DEPLOYDIR}/${symlink_name}.bin
+ ln -sf ${base_name}.bin ${DEPLOYDIR}/${type}
+ done
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
+ for type in ${KERNEL_IMAGETYPES} ; do
+ if [ -e "${KERNEL_OUTPUT_DIR}/${type}.initramfs" ]; then
+ echo "Copying deploy ${type} kernel-initramfs image and setting up links..."
+ initramfs_base_name=${type}-${INITRAMFS_BASE_NAME}
+ initramfs_symlink_name=${type}-initramfs-${MACHINE}
+ install -m 0644 ${KERNEL_OUTPUT_DIR}/${type}.initramfs ${DEPLOYDIR}/${initramfs_base_name}.bin
+ ln -sf ${initramfs_base_name}.bin ${DEPLOYDIR}/${initramfs_symlink_name}.bin
+ fi
+ done
}
+do_deploy[cleandirs] = "${DEPLOYDIR}"
do_deploy[dirs] = "${DEPLOYDIR} ${B}"
do_deploy[prefuncs] += "package_get_auto_pr"
-addtask deploy after do_populate_sysroot
+addtask deploy after do_populate_sysroot do_packagedata
EXPORT_FUNCTIONS do_deploy
-
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-29 19:30:18 +0000