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 () { import bb 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 PACKAGES_DYNAMIC += "kernel-module-*" PACKAGES_DYNAMIC += "kernel-image-*" 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} ${HOST_LD_KERNEL_ARCH}" KERNEL_OUTPUT = "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}" KERNEL_IMAGEDEST = "boot" # # configuration # export CMDLINE_CONSOLE = "console=${@bb.data.getVar("KERNEL_CONSOLE",d,1) or "ttyS0"}" KERNEL_VERSION = "${@get_kernelversion('${S}')}" KERNEL_MAJOR_VERSION = "${@get_kernelmajorversion('${KERNEL_VERSION}')}" KERNEL_LOCALVERSION ?= "" # kernels are generally machine specific PACKAGE_ARCH = "${MACHINE_ARCH}" # U-Boot support UBOOT_ENTRYPOINT ?= "20008000" kernel_do_compile() { unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE oe_runmake include/linux/version.h CC="${KERNEL_CC}" LD="${KERNEL_LD}" if [ "${KERNEL_MAJOR_VERSION}" != "2.6" ]; then oe_runmake dep CC="${KERNEL_CC}" LD="${KERNEL_LD}" fi oe_runmake ${KERNEL_IMAGETYPE} CC="${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_stage() { ASMDIR=`readlink include/asm` mkdir -p ${STAGING_KERNEL_DIR}/include/$ASMDIR cp -fR include/$ASMDIR/* ${STAGING_KERNEL_DIR}/include/$ASMDIR/ rm -f $ASMDIR ${STAGING_KERNEL_DIR}/include/asm ln -sf $ASMDIR ${STAGING_KERNEL_DIR}/include/asm mkdir -p ${STAGING_KERNEL_DIR}/include/asm-generic cp -fR include/asm-generic/* ${STAGING_KERNEL_DIR}/include/asm-generic/ mkdir -p ${STAGING_KERNEL_DIR}/include/linux cp -fR include/linux/* ${STAGING_KERNEL_DIR}/include/linux/ mkdir -p ${STAGING_KERNEL_DIR}/include/net cp -fR include/net/* ${STAGING_KERNEL_DIR}/include/net/ mkdir -p ${STAGING_KERNEL_DIR}/include/pcmcia cp -fR include/pcmcia/* ${STAGING_KERNEL_DIR}/include/pcmcia/ for entry in drivers/crypto include/media include/acpi include/sound include/video; do if [ -d $entry ]; then mkdir -p ${STAGING_KERNEL_DIR}/$entry cp -fR $entry/* ${STAGING_KERNEL_DIR}/$entry/ fi done if [ -d drivers/sound ]; then # 2.4 alsa needs some headers from this directory mkdir -p ${STAGING_KERNEL_DIR}/include/drivers/sound cp -fR drivers/sound/*.h ${STAGING_KERNEL_DIR}/include/drivers/sound/ fi install -m 0644 .config ${STAGING_KERNEL_DIR}/config-${KERNEL_VERSION} ln -sf config-${KERNEL_VERSION} ${STAGING_KERNEL_DIR}/.config ln -sf config-${KERNEL_VERSION} ${STAGING_KERNEL_DIR}/kernel-config echo "${KERNEL_VERSION}" >${STAGING_KERNEL_DIR}/kernel-abiversion echo "${S}" >${STAGING_KERNEL_DIR}/kernel-source echo "${KERNEL_CCSUFFIX}" >${STAGING_KERNEL_DIR}/kernel-ccsuffix echo "${KERNEL_LDSUFFIX}" >${STAGING_KERNEL_DIR}/kernel-ldsuffix [ -e Rules.make ] && install -m 0644 Rules.make ${STAGING_KERNEL_DIR}/ [ -e Makefile ] && install -m 0644 Makefile ${STAGING_KERNEL_DIR}/ # Check if arch/${ARCH}/Makefile exists and install it if [ -e arch/${ARCH}/Makefile ]; then install -d ${STAGING_KERNEL_DIR}/arch/${ARCH} install -m 0644 arch/${ARCH}/Makefile* ${STAGING_KERNEL_DIR}/arch/${ARCH} fi cp -fR include/config* ${STAGING_KERNEL_DIR}/include/ install -m 0644 ${KERNEL_OUTPUT} ${STAGING_KERNEL_DIR}/${KERNEL_IMAGETYPE} install -m 0644 System.map ${STAGING_KERNEL_DIR}/System.map-${KERNEL_VERSION} [ -e Module.symvers ] && install -m 0644 Module.symvers ${STAGING_KERNEL_DIR}/ cp -fR scripts ${STAGING_KERNEL_DIR}/ } kernel_do_install() { unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install else oenote "no modules to install" fi install -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} install -d ${D}/etc/modutils if [ "${KERNEL_MAJOR_VERSION}" = "2.6" ]; then install -d ${D}/etc/modprobe.d fi # Check if scripts/genksyms exists and if so, build it if [ -e scripts/genksyms/ ]; then oe_runmake SUBDIRS="scripts/genksyms" fi install -d ${STAGING_KERNEL_DIR} cp -fR scripts ${STAGING_KERNEL_DIR}/ } kernel_do_configure() { yes '' | oe_runmake oldconfig } do_menuconfig() { export TERMWINDOWTITLE="${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_stage 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" FILES = "" FILES_kernel-image = "/boot/${KERNEL_IMAGETYPE}*" FILES_kernel-dev = "/boot/System.map* /boot/config*" FILES_kernel-vmlinux = "/boot/vmlinux*" RDEPENDS_kernel = "kernel-base" # Allow machines to override this dependency if kernel image files are # not wanted in images as standard RDEPENDS_kernel-base ?= "kernel-image" PKG_kernel-image = "kernel-image-${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" # 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 os, 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 os, re dvar = bb.data.getVar('D', d, 1) if not dvar: bb.error("D 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 = file.replace(bb.data.getVar('D', d, 1) or '', '', 1) if module_deps.has_key(file): import os.path, 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('D', 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$' module_pattern = 'kernel-module-%s' postinst = bb.data.getVar('pkg_postinst_modules', d, 1) postrm = bb.data.getVar('pkg_postrm_modules', d, 1) do_split_packages(d, root='/lib/modules', file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='update-modules kernel-%s' % bb.data.getVar("KERNEL_VERSION", d, 1)) import re, os metapkg = "kernel-modules" bb.data.setVar('ALLOW_EMPTY_' + metapkg, "1", d) bb.data.setVar('FILES_' + metapkg, "", d) blacklist = [ 'kernel-dev', 'kernel-image', 'kernel-base' ] for l in module_deps.values(): for i in l: pkg = module_pattern % legitimize_package_name(re.match(module_regex, os.path.basename(i)).group(1)) blacklist.append(pkg) metapkg_rdepends = [] packages = bb.data.getVar('PACKAGES', d, 1).split() for pkg in packages[1:]: if not pkg in blacklist and not pkg in metapkg_rdepends: metapkg_rdepends.append(pkg) bb.data.setVar('RDEPENDS_' + metapkg, ' '.join(metapkg_rdepends), d) bb.data.setVar('DESCRIPTION_' + metapkg, 'Kernel modules meta package', d) packages.append(metapkg) bb.data.setVar('PACKAGES', ' '.join(packages), d) } # Support checking the kernel size since some kernels need to reside in partitions # with a fixed length or there is a limit in transferring the kernel to memory do_sizecheck() { if [ ! -z "${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 -d ${DEPLOY_DIR_IMAGE} install -m 0644 arch/${ARCH}/boot/${KERNEL_IMAGETYPE} ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin tar -cvzf ${DEPLOY_DIR_IMAGE}/modules-${KERNEL_VERSION}-${PR}-${MACHINE}.tgz -C ${D} lib if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then 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 ${ARCH} -O linux -T kernel -C none -a ${UBOOT_ENTRYPOINT} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin ${DEPLOY_DIR_IMAGE}/uImage-${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 ${DEPLOY_DIR_IMAGE}/uImage-${PV}-${PR}-${MACHINE}-${DATETIME}.bin rm -f linux.bin.gz fi package_stagefile_shell ${DEPLOY_DIR_IMAGE}/uImage-${PV}-${PR}-${MACHINE}-${DATETIME}.bin fi cd ${DEPLOY_DIR_IMAGE} rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.bin ln -sf ${KERNEL_IMAGE_BASE_NAME}.bin ${KERNEL_IMAGE_SYMLINK_NAME}.bin package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_SYMLINK_NAME}.bin } do_deploy[dirs] = "${S}" addtask deploy before do_package after do_install > 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570