diff options
Diffstat (limited to 'meta/classes/kernel.bbclass')
| -rw-r--r-- | meta/classes/kernel.bbclass | 788 |
1 files changed, 0 insertions, 788 deletions
diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass deleted file mode 100644 index 7b3c6bee96..0000000000 --- a/meta/classes/kernel.bbclass +++ /dev/null @@ -1,788 +0,0 @@ -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" if (d.getVar("KERNEL_PACKAGE_NAME") == "kernel") else "" }" -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}-${MACHINE}', ''][d.getVar('INITRAMFS_IMAGE') == '']}" -INITRAMFS_TASK ?= "" -INITRAMFS_IMAGE_BUNDLE ?= "" - -# KERNEL_VERSION is extracted from source code. It is evaluated as -# None for the first parsing, since the code has not been fetched. -# After the code is fetched, it will be evaluated as real version -# number and cause kernel to be rebuilt. To avoid this, make -# KERNEL_VERSION_NAME and KERNEL_VERSION_PKG_NAME depend on -# LINUX_VERSION which is a constant. -KERNEL_VERSION_NAME = "${@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 ${WORKDIR} in alternate - # kernel recipes (I.e. where KERNEL_PACKAGE_NAME != kernel) so that they - # may build in parallel with the default kernel without clobbering. - if kpn != "kernel": - workdir = d.getVar("WORKDIR") - sourceDir = os.path.join(workdir, 'kernel-source') - artifactsDir = os.path.join(workdir, 'kernel-build-artifacts') - d.setVar("STAGING_KERNEL_DIR", sourceDir) - d.setVar("STAGING_KERNEL_BUILDDIR", artifactsDir) - - # Merge KERNEL_IMAGETYPE and KERNEL_ALT_IMAGETYPE into KERNEL_IMAGETYPES - type = d.getVar('KERNEL_IMAGETYPE') or "" - alttype = d.getVar('KERNEL_ALT_IMAGETYPE') or "" - types = d.getVar('KERNEL_IMAGETYPES') or "" - if type not in types.split(): - types = (type + ' ' + types).strip() - if alttype not in types.split(): - types = (alttype + ' ' + types).strip() - d.setVar('KERNEL_IMAGETYPES', types) - - # KERNEL_IMAGETYPES may contain a mixture of image types supported directly - # by the kernel build system and types which are created by post-processing - # the output of the kernel build system (e.g. compressing vmlinux -> - # vmlinux.gz in kernel_do_compile()). - # KERNEL_IMAGETYPE_FOR_MAKE should contain only image types supported - # directly by the kernel build system. - if not d.getVar('KERNEL_IMAGETYPE_FOR_MAKE'): - typeformake = set() - for type in types.split(): - if type == 'vmlinux.gz': - type = 'vmlinux' - typeformake.add(type) - - d.setVar('KERNEL_IMAGETYPE_FOR_MAKE', ' '.join(sorted(typeformake))) - - kname = d.getVar('KERNEL_PACKAGE_NAME') or "kernel" - imagedest = d.getVar('KERNEL_IMAGEDEST') - - for type in types.split(): - if bb.data.inherits_class('nopackages', d): - continue - typelower = type.lower() - d.appendVar('PACKAGES', ' %s-image-%s' % (kname, typelower)) - d.setVar('FILES:' + kname + '-image-' + typelower, '/' + imagedest + '/' + type + '-${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: - 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') - 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}" -export KBUILD_BUILD_VERSION = "1" -export KBUILD_BUILD_USER ?= "oe-user" -export KBUILD_BUILD_HOST ?= "oe-host" - -KERNEL_RELEASE ?= "${KERNEL_VERSION}" - -# The directory where built kernel lies in the kernel tree -KERNEL_OUTPUT_DIR ?= "arch/${ARCH}/boot" -KERNEL_IMAGEDEST ?= "boot" - -# -# configuration -# -export CMDLINE_CONSOLE = "console=${@d.getVar("KERNEL_CONSOLE") or "ttyS0"}" - -KERNEL_VERSION = "${@get_kernelversion_headers('${B}')}" - -KERNEL_LOCALVERSION ?= "" - -# kernels are generally machine specific -PACKAGE_ARCH = "${MACHINE_ARCH}" - -# U-Boot support -UBOOT_ENTRYPOINT ?= "20008000" -UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}" - -# Some Linux kernel configurations need additional parameters on the command line -KERNEL_EXTRA_ARGS ?= "" - -EXTRA_OEMAKE = " HOSTCC="${BUILD_CC}" HOSTCFLAGS="${BUILD_CFLAGS}" HOSTLDFLAGS="${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}"" -EXTRA_OEMAKE += " HOSTCXX="${BUILD_CXX}" HOSTCXXFLAGS="${BUILD_CXXFLAGS}"" - -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 "${DEPLOY_DIR_IMAGE}/${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_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 ${DEPLOY_DIR_IMAGE}/${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_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] = "${B}" - -python do_devshell:prepend () { - os.environ["LDFLAGS"] = '' -} - -addtask bundle_initramfs after do_install before do_deploy - -KERNEL_DEBUG_TIMESTAMPS ??= "0" - -kernel_do_compile() { - unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE - if [ "${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" - 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 ${typeformake} CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS} $use_alternate_initrd - done - # vmlinux.gz is not built by kernel - if (echo "${KERNEL_IMAGETYPES}" | grep -wq "vmlinux\.gz"); then - mkdir -p "${KERNEL_OUTPUT_DIR}" - gzip -9cn < ${B}/vmlinux > "${KERNEL_OUTPUT_DIR}/vmlinux.gz" - fi -} - -do_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: $ts" - fi - if (grep -q -i -e '^CONFIG_MODULES=y$' ${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 ${STAGING_KERNEL_BUILDDIR}/ - # 5.10+ kernels have module.lds that we need to copy for external module builds - if [ -e "${B}/scripts/module.lds" ]; then - install -Dm 0644 ${B}/scripts/module.lds ${STAGING_KERNEL_BUILDDIR}/scripts/module.lds - fi - else - bbnote "no modules to compile" - fi -} -addtask compile_kernelmodules after do_compile before do_strip - -kernel_do_install() { - # - # First install the modules - # - unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE - if (grep -q -i -e '^CONFIG_MODULES=y$' .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/${KERNEL_VERSION}/source" - # If the kernel/ directory is empty remove it to prevent QA issues - rmdir --ignore-fail-on-non-empty "${D}${nonarch_base_libdir}/modules/${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 - - # - # 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 ${D}/boot/System.map-${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 -} - -# 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 -} - -# 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 ${S} CC="${KERNEL_CC}" LD="${KERNEL_LD}" O=${B} olddefconfig || oe_runmake -C ${S} O=${B} CC="${KERNEL_CC}" LD="${KERNEL_LD}" 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_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 ${B} savedefconfig -} -do_savedefconfig[nostamp] = "1" -addtask savedefconfig after do_configure - -inherit cml1 - -KCONFIG_CONFIG_COMMAND:append = " LD='${KERNEL_LD}' HOSTLDFLAGS='${BUILD_LDFLAGS}'" - -EXPORT_FUNCTIONS do_compile do_install do_configure - -# kernel-base becomes kernel-${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 ${KERNEL_PACKAGE_NAME}-modules" -FILES:${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 = "/boot/System.map* /boot/Module.symvers* /boot/config* ${KERNEL_SRC_PATH} ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build" -FILES:${KERNEL_PACKAGE_NAME}-vmlinux = "/boot/vmlinux-${KERNEL_VERSION_NAME}" -FILES:${KERNEL_PACKAGE_NAME}-modules = "" -RDEPENDS:${KERNEL_PACKAGE_NAME} = "${KERNEL_PACKAGE_NAME}-base (= ${EXTENDPKGV})" -# Allow machines to override this dependency if kernel image files are -# not wanted in images as standard -RDEPENDS:${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 - -do_strip() { - if [ -n "${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}" ]; then - if ! (echo "${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_DIR}/vmlinux | \ - grep "^ \{1,\}\[[0-9 ]\{1,\}\] [^ ]" | \ - sed "s/^ \{1,\}\[[0-9 ]\{1,\}\] //" | \ - gawk '{print $1}'` - - for str in ${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}; do { - if ! (echo "$headers" | grep -q "^$str$"); then - bbwarn "Section not found: $str"; - fi - - "$CROSS_COMPILE"strip -s -R $str ${KERNEL_OUTPUT_DIR}/vmlinux - }; done - - bbnote "KERNEL_IMAGE_STRIP_EXTRA_SECTIONS is set, stripping sections:" \ - "${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}" - fi; -} -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] = "${B}" - -addtask sizecheck before do_install after do_strip - -inherit kernel-artifact-names - -kernel_do_deploy() { - deployDir="${DEPLOYDIR}" - if [ -n "${KERNEL_DEPLOYSUBDIR}" ]; then - deployDir="${DEPLOYDIR}/${KERNEL_DEPLOYSUBDIR}" - mkdir "$deployDir" - fi - - for imageType in ${KERNEL_IMAGETYPES} ; do - baseName=$imageType-${KERNEL_IMAGE_NAME} - install -m 0644 ${KERNEL_OUTPUT_DIR}/$imageType $deployDir/$baseName.bin - ln -sf $baseName.bin $deployDir/$imageType-${KERNEL_IMAGE_LINK_NAME}.bin - ln -sf $baseName.bin $deployDir/$imageType - 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 - - ln -sf modules-${MODULE_TARBALL_NAME}.tgz $deployDir/modules-${MODULE_TARBALL_LINK_NAME}.tgz - fi - - if [ ! -z "${INITRAMFS_IMAGE}" -a x"${INITRAMFS_IMAGE_BUNDLE}" = x1 ]; then - for imageType in ${KERNEL_IMAGETYPE_FOR_MAKE} ; do - if [ "$imageType" = "fitImage" ] ; then - continue - fi - initramfsBaseName=$imageType-${INITRAMFS_NAME} - install -m 0644 ${KERNEL_OUTPUT_DIR}/$imageType.initramfs $deployDir/$initramfsBaseName.bin - ln -sf $initramfsBaseName.bin $deployDir/$imageType-${INITRAMFS_LINK_NAME}.bin - 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 |