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-rw-r--r--meta/classes/kernel.bbclass256
1 files changed, 134 insertions, 122 deletions
diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 24ac7786db..5e8b6cf343 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -1,7 +1,12 @@
-inherit linux-kernel-base module_strip kernel-module-split
+inherit linux-kernel-base kernel-module-split
PROVIDES += "virtual/kernel"
-DEPENDS += "virtual/${TARGET_PREFIX}binutils virtual/${TARGET_PREFIX}gcc kmod-native depmodwrapper-cross"
+DEPENDS += "virtual/${TARGET_PREFIX}binutils virtual/${TARGET_PREFIX}gcc kmod-native depmodwrapper-cross bc-native"
+
+S = "${STAGING_KERNEL_DIR}"
+B = "${WORKDIR}/build"
+KBUILD_OUTPUT = "${B}"
+OE_TERMINAL_EXPORTS += "KBUILD_OUTPUT"
# we include gcc above, we dont need virtual/libc
INHIBIT_DEFAULT_DEPS = "1"
@@ -12,11 +17,11 @@ INITRAMFS_TASK ?= ""
INITRAMFS_IMAGE_BUNDLE ?= ""
python __anonymous () {
- kerneltype = d.getVar('KERNEL_IMAGETYPE', True) or ''
- if kerneltype == 'uImage':
- depends = d.getVar("DEPENDS", True)
- depends = "%s u-boot-mkimage-native" % depends
- d.setVar("DEPENDS", depends)
+ import re
+
+ kerneltype = d.getVar('KERNEL_IMAGETYPE', True)
+
+ d.setVar("KERNEL_IMAGETYPE_FOR_MAKE", re.sub(r'\.gz$', '', kerneltype))
image = d.getVar('INITRAMFS_IMAGE', True)
if image:
@@ -31,6 +36,47 @@ python __anonymous () {
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} ${STAGING_KERNEL_BUILDDIR}"
+base_do_unpack_append () {
+ s = d.getVar("S", True)
+ if s[-1] == '/':
+ # drop trailing slash, so that os.symlink(kernsrc, s) doesn't use s as directory name and fail
+ s=s[:-1]
+ kernsrc = d.getVar("STAGING_KERNEL_DIR", True)
+ if s != kernsrc:
+ bb.utils.mkdirhier(kernsrc)
+ bb.utils.remove(kernsrc, recurse=True)
+ if d.getVar("EXTERNALSRC", True):
+ # With EXTERNALSRC S will not be wiped so we can symlink to it
+ os.symlink(s, kernsrc)
+ else:
+ import shutil
+ shutil.move(s, kernsrc)
+ os.symlink(kernsrc, s)
+}
+
inherit kernel-arch deploy
PACKAGES_DYNAMIC += "^kernel-module-.*"
@@ -55,7 +101,7 @@ KERNEL_IMAGEDEST = "boot"
#
export CMDLINE_CONSOLE = "console=${@d.getVar("KERNEL_CONSOLE",1) or "ttyS0"}"
-KERNEL_VERSION = "${@get_kernelversion('${B}')}"
+KERNEL_VERSION = "${@get_kernelversion_headers('${B}')}"
KERNEL_LOCALVERSION ?= ""
@@ -79,15 +125,13 @@ KERNEL_ALT_IMAGETYPE ??= ""
# 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}-${MACHINE}.cpio
- for img in cpio.gz cpio.lzo cpio.lzma cpio.xz; do
+ for img in cpio.gz cpio.lz4 cpio.lzo cpio.lzma cpio.xz; do
if [ -e "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img" ]; then
cp ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img ${B}/usr/.
case $img in
@@ -96,6 +140,11 @@ copy_initramfs() {
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
@@ -166,8 +215,8 @@ kernel_do_compile() {
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}" ${KERNEL_EXTRA_ARGS}
else
bbnote "no modules to compile"
fi
@@ -183,6 +232,8 @@ kernel_do_install() {
oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${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
@@ -199,101 +250,78 @@ kernel_do_install() {
[ -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"
- #
- # Support for external module building - create a minimal copy of the
- # kernel source tree.
- #
- kerneldir=${D}${KERNEL_SRC_PATH}
- install -d $kerneldir
+addtask shared_workdir after do_compile before do_compile_kernelmodules
+addtask shared_workdir_setscene
- #
- # Store the kernel version in sysroots for module-base.bbclass
- #
+do_shared_workdir_setscene () {
+ exit 1
+}
- echo "${KERNEL_VERSION}" > $kerneldir/kernel-abiversion
+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}
+}
- #
- # Store kernel image name to allow use during image generation
- #
+PACKAGEFUNCS += "emit_depmod_pkgdata"
- echo "${KERNEL_IMAGE_BASE_NAME}" >$kerneldir/kernel-image-name
+do_shared_workdir () {
+ cd ${B}
+
+ kerneldir=${STAGING_KERNEL_BUILDDIR}
+ install -d $kerneldir
#
- # Copy the entire source tree. In case an external build directory is
- # used, copy the build directory over first, then copy over the source
- # dir. This ensures the original Makefiles are used and not the
- # redirecting Makefiles in the build directory.
+ # Store the kernel version in sysroots for module-base.bbclass
#
- find . -depth -not -name "*.cmd" -not -name "*.o" -not -path "./Documentation*" -not -path "./.*" -print0 | cpio --null -pdlu $kerneldir
- cp .config $kerneldir
- if [ "${S}" != "${B}" ]; then
- pwd="$PWD"
- cd "${S}"
- find . -depth -not -path "./Documentation*" -not -path "./.*" -print0 | cpio --null -pdlu $kerneldir
- cd "$pwd"
- fi
- # Test to ensure that the output file and image type are not actually
- # the same file. If hardlinking is used, they will be the same, and there's
- # no need to install.
- ! [ ${KERNEL_OUTPUT} -ef $kerneldir/${KERNEL_IMAGETYPE} ] && install -m 0644 ${KERNEL_OUTPUT} $kerneldir/${KERNEL_IMAGETYPE}
- install -m 0644 System.map $kerneldir/System.map-${KERNEL_VERSION}
-
- # Dummy Makefile so the clean below works
- mkdir $kerneldir/Documentation
- touch $kerneldir/Documentation/Makefile
+ echo "${KERNEL_VERSION}" > $kerneldir/kernel-abiversion
- #
- # Clean and remove files not needed for building modules.
- # Some distributions go through a lot more trouble to strip out
- # unecessary headers, for now, we just prune the obvious bits.
- #
- # We don't want to leave host-arch binaries in /sysroots, so
- # we clean the scripts dir while leaving the generated config
- # and include files.
- #
- oe_runmake -C $kerneldir CC="${KERNEL_CC}" LD="${KERNEL_LD}" clean
- make -C $kerneldir _mrproper_scripts
- find $kerneldir -path $kerneldir/lib -prune -o -path $kerneldir/tools -prune -o -path $kerneldir/scripts -prune -o -name "*.[csS]" -exec rm '{}' \;
+ # 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
- cp -l arch/powerpc/lib/crtsavres.o $kerneldir/arch/powerpc/lib/crtsavres.o
+ mkdir -p $kerneldir/arch/powerpc/lib/
+ cp arch/powerpc/lib/crtsavres.o $kerneldir/arch/powerpc/lib/crtsavres.o
fi
- # Necessary for building modules like compat-wireless.
- if [ -f include/generated/bounds.h ]; then
- cp -l include/generated/bounds.h $kerneldir/include/generated/bounds.h
+ 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 -flR arch/${ARCH}/include/generated/* $kerneldir/arch/${ARCH}/include/generated/
- fi
-
- # Remove the following binaries which cause strip or arch QA errors
- # during do_package for cross-compiled platforms
- bin_files="arch/powerpc/boot/addnote arch/powerpc/boot/hack-coff \
- arch/powerpc/boot/mktree scripts/kconfig/zconf.tab.o \
- scripts/kconfig/conf.o scripts/kconfig/kxgettext.o"
- for entry in $bin_files; do
- rm -f $kerneldir/$entry
- done
-
- # kernels <2.6.30 don't have $kerneldir/tools directory so we check if it exists before calling sed
- if [ -f $kerneldir/tools/perf/Makefile ]; then
- # Fix SLANG_INC for slang.h
- sed -i 's#-I/usr/include/slang#-I=/usr/include/slang#g' $kerneldir/tools/perf/Makefile
+ cp -fR arch/${ARCH}/include/generated/* $kerneldir/arch/${ARCH}/include/generated/
fi
}
-do_install[prefuncs] += "package_get_auto_pr"
-python sysroot_stage_all () {
- oe.path.copyhardlinktree(d.expand("${D}${KERNEL_SRC_PATH}"), d.expand("${SYSROOT_DESTDIR}${KERNEL_SRC_PATH}"))
+# 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 . => +
@@ -301,16 +329,20 @@ kernel_do_configure() {
# $ 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
- yes '' | oe_runmake oldconfig
+ eval ${KERNEL_CONFIG_COMMAND}
}
do_savedefconfig() {
- oe_runmake savedefconfig
+ oe_runmake -C ${B} savedefconfig
}
do_savedefconfig[nostamp] = "1"
addtask savedefconfig after do_configure
@@ -325,7 +357,7 @@ PACKAGES = "kernel kernel-base kernel-vmlinux kernel-image kernel-dev kernel-mod
FILES_${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}"
+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"
@@ -333,6 +365,7 @@ RDEPENDS_kernel = "kernel-base"
# 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"
@@ -341,8 +374,7 @@ ALLOW_EMPTY_kernel-image = "1"
ALLOW_EMPTY_kernel-modules = "1"
DESCRIPTION_kernel-modules = "Kernel modules meta package"
-pkg_postinst_kernel-image () {
- update-alternatives --install /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE}-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true
+pkg_postinst_kernel-base () {
if [ ! -e "$D/lib/modules/${KERNEL_VERSION}" ]; then
mkdir -p $D/lib/modules/${KERNEL_VERSION}
fi
@@ -353,6 +385,10 @@ pkg_postinst_kernel-image () {
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
}
@@ -360,14 +396,12 @@ pkg_postrm_kernel-image () {
PACKAGESPLITFUNCS_prepend = "split_kernel_packages "
python split_kernel_packages () {
- do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.bin$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
- do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.fw$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
- do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.cis$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
+ do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.(bin|fw|cis|dsp)$', 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
+ if [ "${KERNEL_IMAGETYPE}" != "vmlinux" ]; then
bbwarn "image type will not be stripped (not supported): ${KERNEL_IMAGETYPE}"
return
fi
@@ -379,7 +413,7 @@ do_strip() {
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: $str";
fi
@@ -398,10 +432,13 @@ addtask do_strip before do_sizecheck after do_kernel_link_vmlinux
# with a fixed length or there is a limit in transferring the kernel to memory
do_sizecheck() {
if [ ! -z "${KERNEL_IMAGE_MAXSIZE}" ]; then
- cd ${B}
- size=`ls -lL ${KERNEL_OUTPUT} | awk '{ print $5}'`
+ 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 > ${KERNEL_IMAGE_MAXSIZE}) is too big for your device. Please reduce the size of the kernel by making more of it modular."
+ die "This kernel (size=$size(K) > ${KERNEL_IMAGE_MAXSIZE}(K)) is too big for your device. Please reduce the size of the kernel by making more of it modular."
fi
fi
}
@@ -420,31 +457,6 @@ MODULE_TARBALL_BASE_NAME ?= "${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
if [ ${MODULE_TARBALL_DEPLOY} = "1" ] && (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
@@ -472,7 +484,7 @@ kernel_do_deploy() {
do_deploy[dirs] = "${DEPLOYDIR} ${B}"
do_deploy[prefuncs] += "package_get_auto_pr"
-addtask deploy before do_build after do_install
+addtask deploy after do_populate_sysroot
EXPORT_FUNCTIONS do_deploy
generated by cgit v1.2.3 (git 2.25.1) at 2026-08-06 17:03:53 +0000