inherit linux-kernel-base module_strip PROVIDES += "virtual/kernel" DEPENDS += "virtual/${TARGET_PREFIX}gcc virtual/${TARGET_PREFIX}depmod-${@get_kernelmajorversion('${PV}')} virtual/${TARGET_PREFIX}gcc${KERNEL_CCSUFFIX} update-modules" # we include gcc above, we dont need virtual/libc INHIBIT_DEFAULT_DEPS = "1" KERNEL_IMAGETYPE ?= "zImage" python __anonymous () { kerneltype = bb.data.getVar('KERNEL_IMAGETYPE', d, 1) or '' if kerneltype == 'uImage': depends = bb.data.getVar("DEPENDS", d, 1) depends = "%s u-boot-mkimage-native" % depends bb.data.setVar("DEPENDS", depends, d) } 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 = "${@bb.data.getVar('PV',d,1).split('-')[0].split('.')[-1]}" KERNEL_RELEASE ?= "${KERNEL_VERSION}" KERNEL_CCSUFFIX ?= "" KERNEL_LDSUFFIX ?= "" # Set TARGET_??_KERNEL_ARCH in the machine .conf to set architecture # specific options necessary for building the kernel and modules. #FIXME: should be this: TARGET_CC_KERNEL_ARCH ?= "${TARGET_CC_ARCH}" TARGET_CC_KERNEL_ARCH ?= "" HOST_CC_KERNEL_ARCH ?= "${TARGET_CC_KERNEL_ARCH}" TARGET_LD_KERNEL_ARCH ?= "" HOST_LD_KERNEL_ARCH ?= "${TARGET_LD_KERNEL_ARCH}" KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc${KERNEL_CCSUFFIX} ${HOST_CC_KERNEL_ARCH}" KERNEL_LD = "${LD}${KERNEL_LDSUFFIX} ${HOST_LD_KERNEL_ARCH}" # Where built kernel lies in the kernel tree KERNEL_OUTPUT ?= "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}" KERNEL_IMAGEDEST = "boot" # # configuration # export CMDLINE_CONSOLE = "console=${@bb.data.getVar("KERNEL_CONSOLE",d,1) or "ttyS0"}" KERNEL_VERSION = "${@get_kernelversion('${B}')}" KERNEL_MAJOR_VERSION = "${@get_kernelmajorversion('${KERNEL_VERSION}')}" KERNEL_LOCALVERSION ?= "" # kernels are generally machine specific PACKAGE_ARCH = "${MACHINE_ARCH}" # U-Boot support UBOOT_ENTRYPOINT ?= "20008000" UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}" # 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 ??= "" kernel_do_compile() { unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE oe_runmake include/linux/version.h CC="${KERNEL_CC}" LD="${KERNEL_LD}" if [ "${KERNEL_MAJOR_VERSION}" != "2.6" ]; then oe_runmake dep CC="${KERNEL_CC}" LD="${KERNEL_LD}" fi oe_runmake ${KERNEL_IMAGETYPE} ${KERNEL_ALT_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}" if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then oe_runmake modules CC="${KERNEL_CC}" LD="${KERNEL_LD}" else oenote "no modules to compile" fi } 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 else oenote "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 ${D}/etc/modutils if [ "${KERNEL_MAJOR_VERSION}" = "2.6" ]; then install -d ${D}/etc/modprobe.d fi # # Support for external module building - create a minimal copy of the kernel source tree # kerneldir=${D}/kernel/ # Take care of arch specific headers # Kernel 2.6.27 moved headers from includes/asm-${ARCH} to arch/${ARCH}/include/asm if [ -e arch/${ARCH}/include/asm/ ] ; then install -d $kerneldir/arch/${ARCH}/ cp -fR arch/${ARCH}/* $kerneldir/arch/${ARCH}/ # Check for arch/x86 on i386 elif [ -d arch/x86/include/asm/ ]; then if [ -e include/asm ] ; then install -d $kerneldir/include/asm/ cp -fR arch/x86/include/asm/* $kerneldir/include/asm/ fi install -d $kerneldir/arch/x86/include cp -fR arch/x86/* $kerneldir/arch/x86/ fi # Take care of the rest of the main directories we need for entry in drivers/crypto drivers/media include scripts; do if [ -d $entry ]; then mkdir -p $kerneldir/$entry cp -fR $entry/* $kerneldir/$entry/ fi done install -m 0644 .config $kerneldir/config-${KERNEL_VERSION} ln -sf config-${KERNEL_VERSION} $kerneldir/.config ln -sf config-${KERNEL_VERSION} $kerneldir/kernel-config echo "${KERNEL_VERSION}" >$kerneldir/kernel-abiversion echo "${S}" >$kerneldir/kernel-source echo "${KERNEL_CCSUFFIX}" >$kerneldir/kernel-ccsuffix echo "${KERNEL_LDSUFFIX}" >$kerneldir/kernel-ldsuffix [ -e vmlinux ] && install -m 0644 vmlinux $kerneldir/ install -m 0644 ${KERNEL_OUTPUT} $kerneldir/${KERNEL_IMAGETYPE} install -m 0644 System.map $kerneldir/System.map-${KERNEL_VERSION} [ -e Module.symvers ] && install -m 0644 Module.symvers $kerneldir/ # Copy over the main Makefiles [ -e Rules.make ] && install -m 0644 Rules.make $kerneldir/ [ -e Makefile ] && install -m 0644 Makefile $kerneldir/ # Check if arch/${ARCH}/Makefile exists and install it if [ -e arch/${ARCH}/Makefile ]; then install -d $kerneldir/arch/${ARCH} install -m 0644 arch/${ARCH}/Makefile* $kerneldir/arch/${ARCH} # Otherwise check arch/x86/Makefile for i386 and x86_64 on kernels >= 2.6.24 elif [ -e arch/x86/Makefile ]; then install -d $kerneldir/arch/x86 install -m 0644 arch/x86/Makefile* $kerneldir/arch/x86 fi # Remove the following binaries which cause strip errors # during do_package for cross-compiled platforms bin_files="arch/powerpc/boot/addnote arch/powerpc/boot/hack-coff \ arch/powerpc/boot/mktree scripts/bin2c scripts/conmakehash \ scripts/ihex2fw scripts/kallsyms scripts/pnmtologo scripts/basic/docproc \ scripts/basic/fixdep scripts/basic/hash scripts/dtc/dtc \ scripts/genksyms/genksyms scripts/kconfig/conf scripts/mod/mk_elfconfig \ scripts/mod/modpost" rm -rf $kerneldir/scripts/*.o rm -rf $kerneldir/scripts/basic/*.o rm -rf $kerneldir/scripts/kconfig/*.o rm -rf $kerneldir/scripts/mod/*.o rm -rf $kerneldir/scripts/dtc/*.o for entry in $bin_files; do rm -f $kerneldir/$entry done } sysroot_stage_all_append() { sysroot_stage_dir ${D}/kernel ${SYSROOT_DESTDIR}${STAGING_KERNEL_DIR} } kernel_do_configure() { yes '' | oe_runmake oldconfig } do_menuconfig() { export TERMWINDOWTITLE="${PN} Kernel Configuration" export SHELLCMDS="make menuconfig" ${TERMCMDRUN} if [ $? -ne 0 ]; then echo "Fatal: '${TERMCMD}' not found. Check TERMCMD variable." exit 1 fi } do_menuconfig[nostamp] = "1" addtask menuconfig after do_patch pkg_postinst_kernel () { cd /${KERNEL_IMAGEDEST}; update-alternatives --install /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE}-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true } pkg_postrm_kernel () { cd /${KERNEL_IMAGEDEST}; update-alternatives --remove ${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE}-${KERNEL_VERSION} || true } 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-image kernel-dev kernel-vmlinux kernel-misc" FILES = "" FILES_kernel-image = "/boot/${KERNEL_IMAGETYPE}*" FILES_kernel-dev = "/boot/System.map* /boot/Module.symvers* /boot/config*" FILES_kernel-vmlinux = "/boot/vmlinux*" # misc is a package to contain files we need in staging FILES_kernel-misc = "/kernel/include/config /kernel/scripts /kernel/drivers/crypto /kernel/drivers/media" RDEPENDS_kernel = "kernel-base" # Allow machines to override this dependency if kernel image files are # not wanted in images as standard RDEPENDS_kernel-base ?= "kernel-image" PKG_kernel-image = "kernel-image-${KERNEL_VERSION}" PKG_kernel-base = "kernel-${KERNEL_VERSION}" ALLOW_EMPTY_kernel = "1" ALLOW_EMPTY_kernel-base = "1" ALLOW_EMPTY_kernel-image = "1" # Userspace workarounds for kernel modules issues # This is shame, fix the kernel instead! DEPENDS_kernel-module-dtl1-cs = "bluez-dtl1-workaround" RDEPENDS_kernel-module-dtl1-cs = "bluez-dtl1-workaround" pkg_postinst_kernel-image () { if [ ! -e "$D/lib/modules/${KERNEL_VERSION}" ]; then mkdir -p $D/lib/modules/${KERNEL_VERSION} fi if [ -n "$D" ]; then ${HOST_PREFIX}depmod-${KERNEL_MAJOR_VERSION} -A -b $D -F ${STAGING_KERNEL_DIR}/System.map-${KERNEL_VERSION} ${KERNEL_VERSION} else depmod -a fi } pkg_postinst_modules () { if [ -n "$D" ]; then ${HOST_PREFIX}depmod-${KERNEL_MAJOR_VERSION} -A -b $D -F ${STAGING_KERNEL_DIR}/System.map-${KERNEL_VERSION} ${KERNEL_VERSION} else depmod -a update-modules || true fi } pkg_postrm_modules () { update-modules || true } autoload_postinst_fragment() { if [ x"$D" = "x" ]; then modprobe %s || true fi } # autoload defaults (alphabetically sorted) module_autoload_hidp = "hidp" module_autoload_ipv6 = "ipv6" module_autoload_ipsec = "ipsec" module_autoload_ircomm-tty = "ircomm-tty" module_autoload_rfcomm = "rfcomm" module_autoload_sa1100-rtc = "sa1100-rtc" # sa1100-rtc was renamed in 2.6.23 onwards module_autoload_rtc-sa1100 = "rtc-sa1100" # alias defaults (alphabetically sorted) module_conf_af_packet = "alias net-pf-17 af_packet" module_conf_bluez = "alias net-pf-31 bluez" module_conf_bnep = "alias bt-proto-4 bnep" module_conf_hci_uart = "alias tty-ldisc-15 hci_uart" module_conf_l2cap = "alias bt-proto-0 l2cap" module_conf_sco = "alias bt-proto-2 sco" module_conf_rfcomm = "alias bt-proto-3 rfcomm" python populate_packages_prepend () { def extract_modinfo(file): import re tmpfile = os.tmpnam() cmd = "PATH=\"%s\" %sobjcopy -j .modinfo -O binary %s %s" % (bb.data.getVar("PATH", d, 1), bb.data.getVar("HOST_PREFIX", d, 1) or "", file, tmpfile) os.system(cmd) f = open(tmpfile) l = f.read().split("\000") f.close() os.unlink(tmpfile) exp = re.compile("([^=]+)=(.*)") vals = {} for i in l: m = exp.match(i) if not m: continue vals[m.group(1)] = m.group(2) return vals def parse_depmod(): import re dvar = bb.data.getVar('PKGD', d, 1) if not dvar: bb.error("PKGD not defined") return kernelver = bb.data.getVar('KERNEL_VERSION', d, 1) kernelver_stripped = kernelver m = re.match('^(.*-hh.*)[\.\+].*$', kernelver) if m: kernelver_stripped = m.group(1) path = bb.data.getVar("PATH", d, 1) host_prefix = bb.data.getVar("HOST_PREFIX", d, 1) or "" major_version = bb.data.getVar('KERNEL_MAJOR_VERSION', d, 1) cmd = "PATH=\"%s\" %sdepmod-%s -n -a -r -b %s -F %s/boot/System.map-%s %s" % (path, host_prefix, major_version, dvar, dvar, kernelver, kernelver_stripped) f = os.popen(cmd, 'r') deps = {} pattern0 = "^(.*\.k?o):..*$" pattern1 = "^(.*\.k?o):\s*(.*\.k?o)\s*$" pattern2 = "^(.*\.k?o):\s*(.*\.k?o)\s*\\\$" pattern3 = "^\t(.*\.k?o)\s*\\\$" pattern4 = "^\t(.*\.k?o)\s*$" line = f.readline() while line: if not re.match(pattern0, line): line = f.readline() continue m1 = re.match(pattern1, line) if m1: deps[m1.group(1)] = m1.group(2).split() else: m2 = re.match(pattern2, line) if m2: deps[m2.group(1)] = m2.group(2).split() line = f.readline() m3 = re.match(pattern3, line) while m3: deps[m2.group(1)].extend(m3.group(1).split()) line = f.readline() m3 = re.match(pattern3, line) m4 = re.match(pattern4, 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(bb.data.getVar('PKGD', d, 1) or '', '', 1) # instead is prefixed with /lib/modules/${KERNEL_VERSION} file = file.replace("/lib/modules/%s/" % bb.data.getVar('KERNEL_VERSION', d, 1) or '', '', 1) if module_deps.has_key(file): import re 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): import re vals = extract_modinfo(file) dvar = bb.data.getVar('PKGD', d, 1) # If autoloading is requested, output /etc/modutils/ and append # appropriate modprobe commands to the postinst autoload = bb.data.getVar('module_autoload_%s' % basename, d, 1) if autoload: name = '%s/etc/modutils/%s' % (dvar, basename) f = open(name, 'w') for m in autoload.split(): f.write('%s\n' % m) f.close() postinst = bb.data.getVar('pkg_postinst_%s' % pkg, d, 1) if not postinst: bb.fatal("pkg_postinst_%s not defined" % pkg) postinst += bb.data.getVar('autoload_postinst_fragment', d, 1) % autoload bb.data.setVar('pkg_postinst_%s' % pkg, postinst, d) # Write out any modconf fragment modconf = bb.data.getVar('module_conf_%s' % basename, d, 1) if modconf: if bb.data.getVar("KERNEL_MAJOR_VERSION", d, 1) == "2.6": name = '%s/etc/modprobe.d/%s.conf' % (dvar, basename) else: name = '%s/etc/modutils/%s.conf' % (dvar, basename) f = open(name, 'w') f.write("%s\n" % modconf) f.close() files = bb.data.getVar('FILES_%s' % pkg, d, 1) files = "%s /etc/modutils/%s /etc/modutils/%s.conf /etc/modprobe.d/%s.conf" % (files, basename, basename, basename) bb.data.setVar('FILES_%s' % pkg, files, d) if vals.has_key("description"): old_desc = bb.data.getVar('DESCRIPTION_' + pkg, d, 1) or "" bb.data.setVar('DESCRIPTION_' + pkg, old_desc + "; " + vals["description"], d) rdepends_str = bb.data.getVar('RDEPENDS_' + pkg, d, 1) if rdepends_str: rdepends = rdepends_str.split() else: rdepends = [] rdepends.extend(get_dependencies(file, pattern, format)) bb.data.setVar('RDEPENDS_' + pkg, ' '.join(rdepends), d) module_deps = parse_depmod() module_regex = '^(.*)\.k?o$' module_pattern = 'kernel-module-%s' postinst = bb.data.getVar('pkg_postinst_modules', d, 1) postrm = bb.data.getVar('pkg_postrm_modules', d, 1) 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/modules', file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='update-modules kernel-%s' % bb.data.getVar("KERNEL_VERSION", d, 1)) import re metapkg = "kernel-modules" bb.data.setVar('ALLOW_EMPTY_' + metapkg, "1", d) bb.data.setVar('FILES_' + metapkg, "", d) blacklist = [ 'kernel-dev', 'kernel-image', 'kernel-base', 'kernel-vmlinux' ] for l in module_deps.values(): for i in l: pkg = module_pattern % legitimize_package_name(re.match(module_regex, os.path.basename(i)).group(1)) blacklist.append(pkg) metapkg_rdepends = [] packages = bb.data.getVar('PACKAGES', d, 1).split() for pkg in packages[1:]: if not pkg in blacklist and not pkg in metapkg_rdepends: metapkg_rdepends.append(pkg) bb.data.setVar('RDEPENDS_' + metapkg, ' '.join(metapkg_rdepends), d) bb.data.setVar('DESCRIPTION_' + metapkg, 'Kernel modules meta package', d) packages.append(metapkg) bb.data.setVar('PACKAGES', ' '.join(packages), d) } # 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 "${KERNEL_IMAGE_MAXSIZE}" ]; then size=`ls -l arch/${ARCH}/boot/${KERNEL_IMAGETYPE} | awk '{ print $5}'` if [ $size -ge ${KERNEL_IMAGE_MAXSIZE} ]; then rm arch/${ARCH}/boot/${KERNEL_IMAGETYPE} die "This kernel (size=$size > ${KERNEL_IMAGE_MAXSIZE}) is too big for your device. Please reduce the size of the kernel by making more of it modular." fi fi } addtask sizecheck before do_install after do_compile KERNEL_IMAGE_BASE_NAME ?= "${KERNEL_IMAGETYPE}-${PV}-${PR}-${MACHINE}-${DATETIME}" KERNEL_IMAGE_SYMLINK_NAME ?= "${KERNEL_IMAGETYPE}-${MACHINE}" do_deploy() { install -m 0644 arch/${ARCH}/boot/${KERNEL_IMAGETYPE} ${DEPLOYDIR}/${KERNEL_IMAGE_BASE_NAME}.bin if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then tar -cvzf ${DEPLOYDIR}/modules-${KERNEL_VERSION}-${PR}-${MACHINE}.tgz -C ${D} lib fi if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then if test -e arch/${ARCH}/boot/uImage ; then cp arch/${ARCH}/boot/uImage ${DEPLOYDIR}/uImage-${PV}-${PR}-${MACHINE}-${DATETIME}.bin elif test -e arch/${ARCH}/boot/compressed/vmlinux ; then ${OBJCOPY} -O binary -R .note -R .comment -S arch/${ARCH}/boot/compressed/vmlinux linux.bin uboot-mkimage -A ${ARCH} -O linux -T kernel -C none -a ${UBOOT_ENTRYPOINT} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin ${DEPLOYDIR}/uImage-${PV}-${PR}-${MACHINE}-${DATETIME}.bin 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 ${ARCH} -O linux -T kernel -C gzip -a ${UBOOT_ENTRYPOINT} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin.gz ${DEPLOYDIR}/uImage-${PV}-${PR}-${MACHINE}-${DATETIME}.bin rm -f linux.bin.gz fi fi cd ${DEPLOYDIR} rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.bin ln -sf ${KERNEL_IMAGE_BASE_NAME}.bin ${KERNEL_IMAGE_SYMLINK_NAME}.bin } do_deploy[dirs] = "${DEPLOYDIR} ${B}" addtask deploy before do_package after do_install # perf must be enabled in individual kernel recipes PACKAGES =+ "perf" FILES_perf = "${bindir}/* \ ${libexecdir}" 1 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529