diff options
Diffstat (limited to 'classes')
| -rw-r--r-- | classes/kernel-module-split.bbclass | 203 | ||||
| -rw-r--r-- | classes/kernel.bbclass | 496 |
2 files changed, 699 insertions, 0 deletions
diff --git a/classes/kernel-module-split.bbclass b/classes/kernel-module-split.bbclass new file mode 100644 index 0000000..172b8df --- /dev/null +++ b/classes/kernel-module-split.bbclass @@ -0,0 +1,203 @@ +pkg_postinst_modules () { +if [ -z "$D" ]; then + depmod -a ${KERNEL_VERSION} +else + # image.bbclass will call depmodwrapper after everything is installed, + # no need to do it here as well + : +fi +} + +pkg_postrm_modules () { +if [ -z "$D" ]; then + depmod -a ${KERNEL_VERSION} +else + depmodwrapper -a -b $D ${KERNEL_VERSION} +fi +} + +autoload_postinst_fragment() { +if [ x"$D" = "x" ]; then + modprobe %s || true +fi +} + +do_install_append() { + install -d ${D}${sysconfdir}/modules-load.d/ ${D}${sysconfdir}/modprobe.d/ +} + +PACKAGESPLITFUNCS_prepend = "split_kernel_module_packages " + +KERNEL_MODULES_META_PACKAGE ?= "kernel-modules" + +python split_kernel_module_packages () { + import re + + modinfoexp = re.compile("([^=]+)=(.*)") + kerverrexp = re.compile('^(.*-hh.*)[\.\+].*$') + depmodpat0 = re.compile("^(.*\.k?o):..*$") + depmodpat1 = re.compile("^(.*\.k?o):\s*(.*\.k?o)\s*$") + depmodpat2 = re.compile("^(.*\.k?o):\s*(.*\.k?o)\s*\\\$") + depmodpat3 = re.compile("^\t(.*\.k?o)\s*\\\$") + depmodpat4 = re.compile("^\t(.*\.k?o)\s*$") + + def extract_modinfo(file): + import tempfile, subprocess + tempfile.tempdir = d.getVar("WORKDIR", True) + tf = tempfile.mkstemp() + tmpfile = tf[1] + cmd = "%sobjcopy -j .modinfo -O binary %s %s" % (d.getVar("HOST_PREFIX", True) or "", file, tmpfile) + subprocess.call(cmd, shell=True) + f = open(tmpfile) + l = f.read().split("\000") + f.close() + os.close(tf[0]) + os.unlink(tmpfile) + vals = {} + for i in l: + m = modinfoexp.match(i) + if not m: + continue + vals[m.group(1)] = m.group(2) + return vals + + def parse_depmod(): + + dvar = d.getVar('PKGD', True) + + kernelver = d.getVar('KERNEL_VERSION', True) + kernelver_stripped = kernelver + m = kerverrexp.match(kernelver) + if m: + kernelver_stripped = m.group(1) + staging_kernel_dir = d.getVar("STAGING_KERNEL_BUILDDIR", True) + system_map_file = "%s/boot/System.map-%s" % (dvar, kernelver) + if not os.path.exists(system_map_file): + system_map_file = "%s/System.map-%s" % (staging_kernel_dir, kernelver) + if not os.path.exists(system_map_file): + bb.fatal("System.map-%s does not exist in '%s/boot' nor STAGING_KERNEL_BUILDDIR '%s'" % (kernelver, dvar, staging_kernel_dir)) + + cmd = "depmod -n -a -b %s -F %s %s" % (dvar, system_map_file, kernelver_stripped) + f = os.popen(cmd, 'r') + + deps = {} + line = f.readline() + while line: + if not depmodpat0.match(line): + line = f.readline() + continue + m1 = depmodpat1.match(line) + if m1: + deps[m1.group(1)] = m1.group(2).split() + else: + m2 = depmodpat2.match(line) + if m2: + deps[m2.group(1)] = m2.group(2).split() + line = f.readline() + m3 = depmodpat3.match(line) + while m3: + deps[m2.group(1)].extend(m3.group(1).split()) + line = f.readline() + m3 = depmodpat3.match(line) + m4 = depmodpat4.match(line) + deps[m2.group(1)].extend(m4.group(1).split()) + line = f.readline() + f.close() + return deps + + def get_dependencies(file, pattern, format): + # file no longer includes PKGD + file = file.replace(d.getVar('PKGD', True) or '', '', 1) + # instead is prefixed with /lib/modules/${KERNEL_VERSION} + file = file.replace("%s/modules/%s/" % (d.getVar('base_libdir', True), d.getVar('KERNEL_VERSION', True)), '', 1) + + if file in module_deps: + dependencies = [] + for i in module_deps[file]: + m = re.match(pattern, os.path.basename(i)) + if not m: + continue + on = legitimize_package_name(m.group(1)) + dependency_pkg = format % on + dependencies.append(dependency_pkg) + return dependencies + return [] + + def frob_metadata(file, pkg, pattern, format, basename): + vals = extract_modinfo(file) + + dvar = d.getVar('PKGD', True) + + # If autoloading is requested, output /etc/modules-load.d/<name>.conf and append + # appropriate modprobe commands to the postinst + autoloadlist = (d.getVar("KERNEL_MODULE_AUTOLOAD", True) or "").split() + autoload = d.getVar('module_autoload_%s' % basename, True) + if autoload and autoload == basename: + bb.warn("module_autoload_%s was replaced by KERNEL_MODULE_AUTOLOAD for cases where basename == module name, please drop it" % basename) + if autoload and basename not in autoloadlist: + bb.warn("module_autoload_%s is defined but '%s' isn't included in KERNEL_MODULE_AUTOLOAD, please add it there" % (basename, basename)) + if basename in autoloadlist: + name = '%s/etc/modules-load.d/%s.conf' % (dvar, basename) + f = open(name, 'w') + if autoload: + for m in autoload.split(): + f.write('%s\n' % m) + else: + f.write('%s\n' % basename) + f.close() + postinst = d.getVar('pkg_postinst_%s' % pkg, True) + if not postinst: + bb.fatal("pkg_postinst_%s not defined" % pkg) + postinst += d.getVar('autoload_postinst_fragment', True) % (autoload or basename) + d.setVar('pkg_postinst_%s' % pkg, postinst) + + # Write out any modconf fragment + modconflist = (d.getVar("KERNEL_MODULE_PROBECONF", True) or "").split() + modconf = d.getVar('module_conf_%s' % basename, True) + if modconf and basename in modconflist: + name = '%s/etc/modprobe.d/%s.conf' % (dvar, basename) + f = open(name, 'w') + f.write("%s\n" % modconf) + f.close() + elif modconf: + bb.error("Please ensure module %s is listed in KERNEL_MODULE_PROBECONF since module_conf_%s is set" % (basename, basename)) + + files = d.getVar('FILES_%s' % pkg, True) + files = "%s /etc/modules-load.d/%s.conf /etc/modprobe.d/%s.conf" % (files, basename, basename) + d.setVar('FILES_%s' % pkg, files) + + if "description" in vals: + old_desc = d.getVar('DESCRIPTION_' + pkg, True) or "" + d.setVar('DESCRIPTION_' + pkg, old_desc + "; " + vals["description"]) + + rdepends = bb.utils.explode_dep_versions2(d.getVar('RDEPENDS_' + pkg, True) or "") + for dep in get_dependencies(file, pattern, format): + if not dep in rdepends: + rdepends[dep] = [] + d.setVar('RDEPENDS_' + pkg, bb.utils.join_deps(rdepends, commasep=False)) + + # Avoid automatic -dev recommendations for modules ending with -dev. + d.setVarFlag('RRECOMMENDS_' + pkg, 'nodeprrecs', 1) + + module_deps = parse_depmod() + module_regex = '^(.*)\.k?o$' + module_pattern = 'kernel-module-%s' + + postinst = d.getVar('pkg_postinst_modules', True) + postrm = d.getVar('pkg_postrm_modules', True) + + modules = do_split_packages(d, root='%s/modules' % d.getVar('base_libdir', True), file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='kernel-%s' % (d.getVar("KERNEL_VERSION", True))) + if modules: + metapkg = d.getVar('KERNEL_MODULES_META_PACKAGE', True) + d.appendVar('RDEPENDS_' + metapkg, ' '+' '.join(modules)) + + # If modules-load.d and modprobe.d are empty at this point, remove them to + # avoid warnings. removedirs only raises an OSError if an empty + # directory cannot be removed. + dvar = d.getVar('PKGD', True) + for dir in ["%s/etc/modprobe.d" % (dvar), "%s/etc/modules-load.d" % (dvar), "%s/etc" % (dvar)]: + if len(os.listdir(dir)) == 0: + os.rmdir(dir) +} + +do_package[vardeps] += '${@" ".join(map(lambda s: "module_conf_" + s, (d.getVar("KERNEL_MODULE_PROBECONF", True) or "").split()))}' diff --git a/classes/kernel.bbclass b/classes/kernel.bbclass new file mode 100644 index 0000000..984f514 --- /dev/null +++ b/classes/kernel.bbclass @@ -0,0 +1,496 @@ +inherit linux-kernel-base kernel-module-split + +PROVIDES += "virtual/kernel" +DEPENDS += "virtual/${TARGET_PREFIX}binutils virtual/${TARGET_PREFIX}gcc kmod-native depmodwrapper-cross bc-native" + +S = "${STAGING_KERNEL_DIR}" +B = "${WORKDIR}/build" +KBUILD_OUTPUT = "${B}" +OE_TERMINAL_EXPORTS += "KBUILD_OUTPUT" + +# we include gcc above, we dont need virtual/libc +INHIBIT_DEFAULT_DEPS = "1" + +KERNEL_IMAGETYPE ?= "zImage" +INITRAMFS_IMAGE ?= "" +INITRAMFS_TASK ?= "" +INITRAMFS_IMAGE_BUNDLE ?= "" + +python __anonymous () { + import re + + kerneltype = d.getVar('KERNEL_IMAGETYPE', True) + + d.setVar("KERNEL_IMAGETYPE_FOR_MAKE", re.sub(r'\.gz$', '', kerneltype)) + + image = d.getVar('INITRAMFS_IMAGE', True) + if image: + d.appendVarFlag('do_bundle_initramfs', 'depends', ' ${INITRAMFS_IMAGE}:do_rootfs') + + # NOTE: setting INITRAMFS_TASK is for backward compatibility + # The preferred method is to set INITRAMFS_IMAGE, because + # this INITRAMFS_TASK has circular dependency problems + # if the initramfs requires kernel modules + image_task = d.getVar('INITRAMFS_TASK', True) + if image_task: + d.appendVarFlag('do_configure', 'depends', ' ${INITRAMFS_TASK}') +} + +# Here we pull in all various kernel image types which we support. +# +# In case you're wondering why kernel.bbclass inherits the other image +# types instead of the other way around, the reason for that is to +# maintain compatibility with various currently existing meta-layers. +# By pulling in the various kernel image types here, we retain the +# original behavior of kernel.bbclass, so no meta-layers should get +# broken. +# +# KERNEL_CLASSES by default pulls in kernel-uimage.bbclass, since this +# used to be the default behavior when only uImage was supported. This +# variable can be appended by users who implement support for new kernel +# image types. + +KERNEL_CLASSES ?= " kernel-uimage " +inherit ${KERNEL_CLASSES} + +# Old style kernels may set ${S} = ${WORKDIR}/git for example +# We need to move these over to STAGING_KERNEL_DIR. We can't just +# create the symlink in advance as the git fetcher can't cope with +# the symlink. +do_unpack[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILDDIR}" +do_clean[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILDDIR}" +base_do_unpack_append () { + s = d.getVar("S", True) + if s[-1] == '/': + # drop trailing slash, so that os.symlink(kernsrc, s) doesn't use s as directory name and fail + s=s[:-1] + kernsrc = d.getVar("STAGING_KERNEL_DIR", True) + if s != kernsrc: + bb.utils.mkdirhier(kernsrc) + bb.utils.remove(kernsrc, recurse=True) + import subprocess + subprocess.call(d.expand("mv ${S} ${STAGING_KERNEL_DIR}"), shell=True) + os.symlink(kernsrc, s) +} + +inherit kernel-arch deploy + +PACKAGES_DYNAMIC += "^kernel-module-.*" +PACKAGES_DYNAMIC += "^kernel-image-.*" +PACKAGES_DYNAMIC += "^kernel-firmware-.*" + +export OS = "${TARGET_OS}" +export CROSS_COMPILE = "${TARGET_PREFIX}" + +KERNEL_PRIORITY ?= "${@int(d.getVar('PV',1).split('-')[0].split('+')[0].split('.')[0]) * 10000 + \ + int(d.getVar('PV',1).split('-')[0].split('+')[0].split('.')[1]) * 100 + \ + int(d.getVar('PV',1).split('-')[0].split('+')[0].split('.')[-1])}" + +KERNEL_RELEASE ?= "${KERNEL_VERSION}" + +# Where built kernel lies in the kernel tree +KERNEL_OUTPUT ?= "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}" +KERNEL_IMAGEDEST = "boot" + +# +# configuration +# +export CMDLINE_CONSOLE = "console=${@d.getVar("KERNEL_CONSOLE",1) or "ttyS0"}" + +KERNEL_VERSION = "${@get_kernelversion_headers('${B}')}" + +KERNEL_LOCALVERSION ?= "" + +# kernels are generally machine specific +PACKAGE_ARCH = "${MACHINE_ARCH}" + +# U-Boot support +UBOOT_ENTRYPOINT ?= "20008000" +UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}" + +# Some Linux kernel configurations need additional parameters on the command line +KERNEL_EXTRA_ARGS ?= "" + +# For the kernel, we don't want the '-e MAKEFLAGS=' in EXTRA_OEMAKE. +# We don't want to override kernel Makefile variables from the environment +EXTRA_OEMAKE = "" + +KERNEL_ALT_IMAGETYPE ??= "" + +# Define where the kernel headers are installed on the target as well as where +# they are staged. +KERNEL_SRC_PATH = "/usr/src/kernel" + +copy_initramfs() { + echo "Copying initramfs into ./usr ..." + # In case the directory is not created yet from the first pass compile: + mkdir -p ${B}/usr + # Find and use the first initramfs image archive type we find + rm -f ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.cpio + for img in cpio.gz cpio.lz4 cpio.lzo cpio.lzma cpio.xz; do + if [ -e "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img" ]; then + cp ${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$img ${B}/usr/. + case $img in + *gz) + echo "gzip decompressing image" + gunzip -f ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img + break + ;; + *lz4) + echo "lz4 decompressing image" + lz4 -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img + break + ;; + *lzo) + echo "lzo decompressing image" + lzop -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img + break + ;; + *lzma) + echo "lzma decompressing image" + lzma -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img + break + ;; + *xz) + echo "xz decompressing image" + xz -df ${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.$img + break + ;; + esac + fi + done + echo "Finished copy of initramfs into ./usr" +} + +INITRAMFS_BASE_NAME = "${KERNEL_IMAGETYPE}-initramfs-${PV}-${PR}-${MACHINE}-${DATETIME}" +INITRAMFS_BASE_NAME[vardepsexclude] = "DATETIME" +do_bundle_initramfs () { + if [ ! -z "${INITRAMFS_IMAGE}" -a x"${INITRAMFS_IMAGE_BUNDLE}" = x1 ]; then + echo "Creating a kernel image with a bundled initramfs..." + copy_initramfs + if [ -e ${KERNEL_OUTPUT} ] ; then + mv -f ${KERNEL_OUTPUT} ${KERNEL_OUTPUT}.bak + fi + use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.cpio + kernel_do_compile + mv -f ${KERNEL_OUTPUT} ${KERNEL_OUTPUT}.initramfs + mv -f ${KERNEL_OUTPUT}.bak ${KERNEL_OUTPUT} + # Update install area + echo "There is kernel image bundled with initramfs: ${B}/${KERNEL_OUTPUT}.initramfs" + install -m 0644 ${B}/${KERNEL_OUTPUT}.initramfs ${D}/boot/${KERNEL_IMAGETYPE}-initramfs-${MACHINE}.bin + echo "${B}/${KERNEL_OUTPUT}.initramfs" + fi +} + +python do_devshell_prepend () { + os.environ["LDFLAGS"] = '' +} + +addtask bundle_initramfs after do_install before do_deploy + +kernel_do_compile() { + unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE + # The $use_alternate_initrd is only set from + # do_bundle_initramfs() This variable is specifically for the + # case where we are making a second pass at the kernel + # compilation and we want to force the kernel build to use a + # different initramfs image. The way to do that in the kernel + # is to specify: + # make ...args... CONFIG_INITRAMFS_SOURCE=some_other_initramfs.cpio + if [ "$use_alternate_initrd" = "" ] && [ "${INITRAMFS_TASK}" != "" ] ; then + # The old style way of copying an prebuilt image and building it + # is turned on via INTIRAMFS_TASK != "" + copy_initramfs + use_alternate_initrd=CONFIG_INITRAMFS_SOURCE=${B}/usr/${INITRAMFS_IMAGE}-${MACHINE}.cpio + fi + oe_runmake ${KERNEL_IMAGETYPE_FOR_MAKE} ${KERNEL_ALT_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS} $use_alternate_initrd + if test "${KERNEL_IMAGETYPE_FOR_MAKE}.gz" = "${KERNEL_IMAGETYPE}"; then + gzip -9c < "${KERNEL_IMAGETYPE_FOR_MAKE}" > "${KERNEL_OUTPUT}" + fi +} + +do_compile_kernelmodules() { + unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE + if (grep -q -i -e '^CONFIG_MODULES=y$' ${B}/.config); then + oe_runmake -C ${B} ${PARALLEL_MAKE} modules CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS} + else + bbnote "no modules to compile" + fi +} +addtask compile_kernelmodules after do_compile before do_strip + +kernel_do_install() { + # + # First install the modules + # + unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE + if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then + oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install + rm "${D}/lib/modules/${KERNEL_VERSION}/build" + rm "${D}/lib/modules/${KERNEL_VERSION}/source" + # If the kernel/ directory is empty remove it to prevent QA issues + rmdir --ignore-fail-on-non-empty "${D}/lib/modules/${KERNEL_VERSION}/kernel" + + if [ "${base_libdir}" != "/lib" ]; then + install -d "${D}${base_libdir}" + mv "${D}/lib/modules" "${D}${base_libdir}" + fi + 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 + + if [ "${base_libdir}" != "/lib" ]; then + install -d "${D}${base_libdir}" + mv "${D}/lib/firmware" "${D}${base_libdir}" + rmdir --ignore-fail-on-non-empty "${D}/lib" + fi +} +do_install[prefuncs] += "package_get_auto_pr" + +addtask shared_workdir after do_compile before do_compile_kernelmodules +addtask shared_workdir_setscene + +do_shared_workdir_setscene () { + exit 1 +} + +emit_depmod_pkgdata() { + # Stash data for depmod + install -d ${PKGDESTWORK}/kernel-depmod/ + echo "${KERNEL_VERSION}" > ${PKGDESTWORK}/kernel-depmod/kernel-abiversion + cp ${B}/System.map ${PKGDESTWORK}/kernel-depmod/System.map-${KERNEL_VERSION} +} + +PACKAGEFUNCS += "emit_depmod_pkgdata" + +do_shared_workdir () { + cd ${B} + + kerneldir=${STAGING_KERNEL_BUILDDIR} + install -d $kerneldir + + # + # Store the kernel version in sysroots for module-base.bbclass + # + + echo "${KERNEL_VERSION}" > $kerneldir/kernel-abiversion + + # Copy files required for module builds + cp System.map $kerneldir/System.map-${KERNEL_VERSION} + cp Module.symvers $kerneldir/ + cp .config $kerneldir/ + mkdir -p $kerneldir/include/config + cp include/config/kernel.release $kerneldir/include/config/kernel.release + + # We can also copy over all the generated files and avoid special cases + # like version.h, but we've opted to keep this small until file creep starts + # to happen + if [ -e include/linux/version.h ]; then + mkdir -p $kerneldir/include/linux + cp include/linux/version.h $kerneldir/include/linux/version.h + fi + + # As of Linux kernel version 3.0.1, the clean target removes + # arch/powerpc/lib/crtsavres.o which is present in + # KBUILD_LDFLAGS_MODULE, making it required to build external modules. + if [ ${ARCH} = "powerpc" ]; then + mkdir -p $kerneldir/arch/powerpc/lib/ + cp arch/powerpc/lib/crtsavres.o $kerneldir/arch/powerpc/lib/crtsavres.o + fi + + if [ -d include/generated ]; then + mkdir -p $kerneldir/include/generated/ + cp -fR include/generated/* $kerneldir/include/generated/ + fi + + if [ -d arch/${ARCH}/include/generated ]; then + mkdir -p $kerneldir/arch/${ARCH}/include/generated/ + cp -fR arch/${ARCH}/include/generated/* $kerneldir/arch/${ARCH}/include/generated/ + fi +} + +# We don't need to stage anything, not the modules/firmware since those would clash with linux-firmware +sysroot_stage_all () { + : +} + +KERNEL_CONFIG_COMMAND ?= "oe_runmake_call -C ${S} O=${B} oldnoconfig || yes '' | oe_runmake -C ${S} O=${B} oldconfig" + +kernel_do_configure() { + # fixes extra + in /lib/modules/2.6.37+ + # $ scripts/setlocalversion . => + + # $ make kernelversion => 2.6.37 + # $ make kernelrelease => 2.6.37+ + touch ${B}/.scmversion ${S}/.scmversion + + if [ "${S}" != "${B}" ] && [ -f "${S}/.config" ] && [ ! -f "${B}/.config" ]; then + mv "${S}/.config" "${B}/.config" + fi + + # Copy defconfig to .config if .config does not exist. This allows + # recipes to manage the .config themselves in do_configure_prepend(). + if [ -f "${WORKDIR}/defconfig" ] && [ ! -f "${B}/.config" ]; then + cp "${WORKDIR}/defconfig" "${B}/.config" + fi + eval ${KERNEL_CONFIG_COMMAND} +} + +do_savedefconfig() { + oe_runmake -C ${B} savedefconfig +} +do_savedefconfig[nostamp] = "1" +addtask savedefconfig after do_configure + +inherit cml1 + +EXPORT_FUNCTIONS do_compile do_install do_configure + +# kernel-base becomes kernel-${KERNEL_VERSION} +# kernel-image becomes kernel-image-${KERNEL_VERISON} +PACKAGES = "kernel kernel-base kernel-vmlinux kernel-image kernel-dev kernel-modules" +FILES_${PN} = "" +FILES_kernel-base = "${base_libdir}/modules/${KERNEL_VERSION}/modules.order ${base_libdir}/modules/${KERNEL_VERSION}/modules.builtin" +FILES_kernel-image = "/boot/${KERNEL_IMAGETYPE}*" +FILES_kernel-dev = "/boot/System.map* /boot/Module.symvers* /boot/config* ${KERNEL_SRC_PATH} ${base_libdir}/modules/${KERNEL_VERSION}/build" +FILES_kernel-vmlinux = "/boot/vmlinux*" +FILES_kernel-modules = "" +RDEPENDS_kernel = "kernel-base" +# Allow machines to override this dependency if kernel image files are +# not wanted in images as standard +RDEPENDS_kernel-base ?= "kernel-image" +PKG_kernel-image = "kernel-image-${@legitimize_package_name('${KERNEL_VERSION}')}" +PKG_kernel-base = "kernel-${@legitimize_package_name('${KERNEL_VERSION}')}" +RPROVIDES_kernel-base += "kernel-${KERNEL_VERSION}" +ALLOW_EMPTY_kernel = "1" +ALLOW_EMPTY_kernel-base = "1" +ALLOW_EMPTY_kernel-image = "1" +ALLOW_EMPTY_kernel-modules = "1" +DESCRIPTION_kernel-modules = "Kernel modules meta package" + +pkg_postinst_kernel-base () { + if [ ! -e "$D${base_libdir}/modules/${KERNEL_VERSION}" ]; then + mkdir -p $D${base_libdir}/modules/${KERNEL_VERSION} + fi + if [ -n "$D" ]; then + depmodwrapper -a -b $D ${KERNEL_VERSION} + else + depmod -a ${KERNEL_VERSION} + fi +} + +pkg_postinst_kernel-image () { + update-alternatives --install /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE} /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true +} + +pkg_postrm_kernel-image () { + update-alternatives --remove ${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE}-${KERNEL_VERSION} || true +} + +PACKAGESPLITFUNCS_prepend = "split_kernel_packages " + +python split_kernel_packages () { + do_split_packages(d, root='%s/firmware' % d.getVar('base_libdir', True), file_regex='^(.*)\.(bin|fw|cis|dsp)$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='') +} + +do_strip() { + if [ -n "${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}" ]; then + if [ "${KERNEL_IMAGETYPE}" != "vmlinux" ]; then + bbwarn "image type will not be stripped (not supported): ${KERNEL_IMAGETYPE}" + return + fi + + cd ${B} + headers=`"$CROSS_COMPILE"readelf -S ${KERNEL_OUTPUT} | \ + grep "^ \{1,\}\[[0-9 ]\{1,\}\] [^ ]" | \ + sed "s/^ \{1,\}\[[0-9 ]\{1,\}\] //" | \ + gawk '{print $1}'` + + for str in ${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}; do { + if [ "$headers" != *"$str"* ]; then + bbwarn "Section not found: $str"; + fi + + "$CROSS_COMPILE"strip -s -R $str ${KERNEL_OUTPUT} + }; done + + bbnote "KERNEL_IMAGE_STRIP_EXTRA_SECTIONS is set, stripping sections:" \ + "${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}" + fi; +} +do_strip[dirs] = "${B}" + +addtask do_strip before do_sizecheck after do_kernel_link_vmlinux + +# Support checking the kernel size since some kernels need to reside in partitions +# with a fixed length or there is a limit in transferring the kernel to memory +do_sizecheck() { + if [ ! -z "${KERNEL_IMAGE_MAXSIZE}" ]; then + invalid=`echo ${KERNEL_IMAGE_MAXSIZE} | sed 's/[0-9]//g'` + if [ -n "$invalid" ]; then + die "Invalid KERNEL_IMAGE_MAXSIZE: ${KERNEL_IMAGE_MAXSIZE}, should be an integerx (The unit is Kbytes)" + fi + size=`du -ks ${B}/${KERNEL_OUTPUT} | awk '{ print $1}'` + if [ $size -ge ${KERNEL_IMAGE_MAXSIZE} ]; then + die "This kernel (size=$size(K) > ${KERNEL_IMAGE_MAXSIZE}(K)) is too big for your device. Please reduce the size of the kernel by making more of it modular." + fi + fi +} +do_sizecheck[dirs] = "${B}" + +addtask sizecheck before do_install after do_strip + +KERNEL_IMAGE_BASE_NAME ?= "${KERNEL_IMAGETYPE}-${PKGE}-${PKGV}-${PKGR}-${MACHINE}-${DATETIME}" +# Don't include the DATETIME variable in the sstate package signatures +KERNEL_IMAGE_BASE_NAME[vardepsexclude] = "DATETIME" +KERNEL_IMAGE_SYMLINK_NAME ?= "${KERNEL_IMAGETYPE}-${MACHINE}" +MODULE_IMAGE_BASE_NAME ?= "modules-${PKGE}-${PKGV}-${PKGR}-${MACHINE}-${DATETIME}" +MODULE_IMAGE_BASE_NAME[vardepsexclude] = "DATETIME" +MODULE_TARBALL_BASE_NAME ?= "${MODULE_IMAGE_BASE_NAME}.tgz" +# Don't include the DATETIME variable in the sstate package signatures +MODULE_TARBALL_SYMLINK_NAME ?= "modules-${MACHINE}.tgz" +MODULE_TARBALL_DEPLOY ?= "1" + +kernel_do_deploy() { + install -m 0644 ${KERNEL_OUTPUT} ${DEPLOYDIR}/${KERNEL_IMAGE_BASE_NAME}.bin + if [ ${MODULE_TARBALL_DEPLOY} = "1" ] && (grep -q -i -e '^CONFIG_MODULES=y$' .config); then + mkdir -p ${D}${base_libdir} + tar -cvzf ${DEPLOYDIR}/${MODULE_TARBALL_BASE_NAME} -C ${D} ${@d.getVar('base_libdir', True)[1:]} + ln -sf ${MODULE_TARBALL_BASE_NAME} ${DEPLOYDIR}/${MODULE_TARBALL_SYMLINK_NAME} + fi + + ln -sf ${KERNEL_IMAGE_BASE_NAME}.bin ${DEPLOYDIR}/${KERNEL_IMAGE_SYMLINK_NAME}.bin + ln -sf ${KERNEL_IMAGE_BASE_NAME}.bin ${DEPLOYDIR}/${KERNEL_IMAGETYPE} + + cp ${COREBASE}/meta/files/deploydir_readme.txt ${DEPLOYDIR}/README_-_DO_NOT_DELETE_FILES_IN_THIS_DIRECTORY.txt + + cd ${B} + # Update deploy directory + if [ -e "${KERNEL_OUTPUT}.initramfs" ]; then + echo "Copying deploy kernel-initramfs image and setting up links..." + initramfs_base_name=${INITRAMFS_BASE_NAME} + initramfs_symlink_name=${KERNEL_IMAGETYPE}-initramfs-${MACHINE} + install -m 0644 ${KERNEL_OUTPUT}.initramfs ${DEPLOYDIR}/${initramfs_base_name}.bin + cd ${DEPLOYDIR} + ln -sf ${initramfs_base_name}.bin ${initramfs_symlink_name}.bin + fi +} +do_deploy[dirs] = "${DEPLOYDIR} ${B}" +do_deploy[prefuncs] += "package_get_auto_pr" + +addtask deploy after do_populate_sysroot + +EXPORT_FUNCTIONS do_deploy + |