[meta-ti] [master][PATCH 1/2] kernel.bbclass: Pull in kernel.bbclass from oe-core master
Franklin S. Cooper Jr
fcooper at ti.com
Tue Aug 20 12:18:04 PDT 2013
* Pull in kernel.bbclass from oe-core dylan to allow patching of the local
version of kernel.bbclass until upstream patch is accepted and pulled into
oe-core master.
Signed-off-by: Franklin S. Cooper Jr <fcooper at ti.com>
---
classes/kernel.bbclass | 389 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 389 insertions(+), 0 deletions(-)
create mode 100644 classes/kernel.bbclass
diff --git a/classes/kernel.bbclass b/classes/kernel.bbclass
new file mode 100644
index 0000000..e039dfc
--- /dev/null
+++ b/classes/kernel.bbclass
@@ -0,0 +1,389 @@
+inherit linux-kernel-base module_strip kernel-module-split
+
+PROVIDES += "virtual/kernel"
+DEPENDS += "virtual/${TARGET_PREFIX}binutils virtual/${TARGET_PREFIX}gcc kmod-native depmodwrapper-cross"
+
+# we include gcc above, we dont need virtual/libc
+INHIBIT_DEFAULT_DEPS = "1"
+
+KERNEL_IMAGETYPE ?= "zImage"
+INITRAMFS_IMAGE ?= ""
+INITRAMFS_TASK ?= ""
+
+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)
+
+ image = d.getVar('INITRAMFS_IMAGE', True)
+ if image:
+ d.setVar('INITRAMFS_TASK', '${INITRAMFS_IMAGE}:do_rootfs')
+}
+
+inherit kernel-arch deploy
+
+PACKAGES_DYNAMIC += "^kernel-module-.*"
+PACKAGES_DYNAMIC += "^kernel-image-.*"
+PACKAGES_DYNAMIC += "^kernel-firmware-.*"
+
+export OS = "${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 = "${@get_kernelversion('${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"
+
+KERNEL_IMAGETYPE_FOR_MAKE = "${@(lambda s: s[:-3] if s[-3:] == ".gz" else s)(d.getVar('KERNEL_IMAGETYPE', True))}"
+
+kernel_do_compile() {
+ unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
+ oe_runmake ${KERNEL_IMAGETYPE_FOR_MAKE} ${KERNEL_ALT_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS}
+ if test "${KERNEL_IMAGETYPE_FOR_MAKE}.gz" = "${KERNEL_IMAGETYPE}"; then
+ gzip -9c < "${KERNEL_IMAGETYPE_FOR_MAKE}" > "${KERNEL_OUTPUT}"
+ fi
+}
+
+do_compile_kernelmodules() {
+ unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
+ if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
+ oe_runmake ${PARALLEL_MAKE} modules CC="${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"
+ 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
+
+ #
+ # Support for external module building - create a minimal copy of the
+ # kernel source tree.
+ #
+ kerneldir=${D}${KERNEL_SRC_PATH}
+ install -d $kerneldir
+
+ #
+ # Store the kernel version in sysroots for module-base.bbclass
+ #
+
+ echo "${KERNEL_VERSION}" > $kerneldir/kernel-abiversion
+
+ #
+ # Store kernel image name to allow use during image generation
+ #
+
+ echo "${KERNEL_IMAGE_BASE_NAME}" >$kerneldir/kernel-image-name
+
+ #
+ # 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.
+ #
+ # work and sysroots can be on different partitions, so we can't rely on
+ # hardlinking, unfortunately.
+ #
+ find . -depth -not -name "*.cmd" -not -name "*.o" -not -path "./.*" -print0 | cpio --null -pdu $kerneldir
+ cp .config $kerneldir
+ if [ "${S}" != "${B}" ]; then
+ pwd="$PWD"
+ cd "${S}"
+ find . -depth -not -path "./.*" -print0 | cpio --null -pdu $kerneldir
+ cd "$pwd"
+ fi
+ install -m 0644 ${KERNEL_OUTPUT} $kerneldir/${KERNEL_IMAGETYPE}
+ install -m 0644 System.map $kerneldir/System.map-${KERNEL_VERSION}
+
+ #
+ # 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 '{}' \;
+ find $kerneldir/Documentation -name "*.txt" -exec rm '{}' \;
+
+ # 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 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 include/generated/bounds.h $kerneldir/include/generated/bounds.h
+ fi
+ if [ -d arch/${ARCH}/include/generated ]; then
+ mkdir -p $kerneldir/arch/${ARCH}/include/generated/
+ cp -fR arch/${ARCH}/include/generated/* $kerneldir/arch/${ARCH}/include/generated/
+ fi
+
+ # 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
+ fi
+}
+do_install[prefuncs] += "package_get_auto_pr"
+
+sysroot_stage_all_append() {
+ sysroot_stage_dir ${D}${KERNEL_SRC_PATH} ${SYSROOT_DESTDIR}${KERNEL_SRC_PATH}
+}
+
+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 ${S}/.scmversion
+
+ # Copy defconfig to .config if .config does not exist. This allows
+ # recipes to manage the .config themselves in do_configure_prepend().
+ if [ -f "${WORKDIR}/defconfig" ] && [ ! -f "${B}/.config" ]; then
+ cp "${WORKDIR}/defconfig" "${B}/.config"
+ fi
+ yes '' | oe_runmake oldconfig
+
+ if [ ! -z "${INITRAMFS_IMAGE}" ]; then
+ for img in cpio.gz 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" initramfs.$img
+ fi
+ done
+ fi
+}
+
+do_configure[depends] += "${INITRAMFS_TASK}"
+
+do_savedefconfig() {
+ oe_runmake 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* ${KERNEL_SRC_PATH}"
+FILES_kernel-vmlinux = "/boot/vmlinux*"
+FILES_kernel-modules = ""
+RDEPENDS_kernel = "kernel-base"
+# Allow machines to override this dependency if kernel image files are
+# not wanted in images as standard
+RDEPENDS_kernel-base ?= "kernel-image"
+PKG_kernel-image = "kernel-image-${@legitimize_package_name('${KERNEL_VERSION}')}"
+PKG_kernel-base = "kernel-${@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-image () {
+ update-alternatives --install /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE}-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true
+ if [ ! -e "$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_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$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
+ do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.fw$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
+ do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.cis$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='')
+}
+
+do_strip() {
+ if [ -n "${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
+ cd ${B}
+ size=`ls -lL ${KERNEL_OUTPUT} | awk '{ print $5}'`
+ if [ $size -ge ${KERNEL_IMAGE_MAXSIZE} ]; then
+ die "This kernel (size=$size > ${KERNEL_IMAGE_MAXSIZE}) is too big for your device. Please reduce the size of the kernel by making more of it modular."
+ fi
+ fi
+}
+do_sizecheck[dirs] = "${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-${MACHINE}.tgz"
+MODULE_TARBALL_DEPLOY ?= "1"
+
+do_uboot_mkimage() {
+ if test "x${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
+ 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 ${DEPLOYDIR}/README_-_DO_NOT_DELETE_FILES_IN_THIS_DIRECTORY.txt
+}
+do_deploy[dirs] = "${DEPLOYDIR} ${B}"
+do_deploy[prefuncs] += "package_get_auto_pr"
+
+addtask deploy before do_build after do_install
+
+EXPORT_FUNCTIONS do_deploy
+
--
1.7.0.4
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