inherit linux-kernel-base module_strip PROVIDES += "virtual/kernel" DEPENDS += "virtual/${TARGET_PREFIX}depmod-${@get_kernelmajorversion('${PV}')} virtual/${TARGET_PREFIX}gcc${KERNEL_CCSUFFIX} update-modules" inherit kernel-arch PACKAGES_DYNAMIC += "kernel-module-*" PACKAGES_DYNAMIC += "kernel-image-*" export OS = "${TARGET_OS}" export CROSS_COMPILE = "${TARGET_PREFIX}" KERNEL_IMAGETYPE ?= "zImage" KERNEL_PRIORITY = "${@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 = "${MACHINE_ARCH}" kernel_do_compile() { unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE oe_runmake include/linux/version.h CC="${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/${KERNEL_IMAGETYPE}*" FILES_kernel-dev = "/boot/System.map* /boot/config*" FILES_kernel-vmlinux = "/boot/vmlinux*" RDEPENDS_kernel = "kernel-base" RRECOMMENDS_kernel-module-hostap-cs += '${@base_version_less_or_equal("KERNEL_VERSION", "2.6.17", "", "apm-wifi-suspendfix", d)}' RRECOMMENDS_kernel-module-orinoco-cs += '${@base_version_less_or_equal("KERNEL_VERSION", "2.6.17", "", "apm-wifi-suspendfix", d)}' # Allow machines to override this dependency if kernel image files are # not wanted in images as standard RDEPENDS_kernel-base ?= "kernel-image" PKG_kernel-image = "kernel-image-${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 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 not autoload: # Also, try canonical name with dashes autoload = bb.data.getVar('module_autoload_%s' % basename.replace('_', '-'), 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$' module_pattern = 'kernel-module-%s' postinst = bb.data.getVar('pkg_postinst_modules', d, 1) postrm = bb.data.getVar('pkg_postrm_modules', d, 1) do_split_packages(d, root='/lib/modules', file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='update-modules kernel-%s' % bb.data.getVar("KERNEL_VERSION", d, 1)) import re, os metapkg = "kernel-modules" bb.data.setVar('ALLOW_EMPTY_' + metapkg, "1", d) bb.data.setVar('FILES_' + metapkg, "", d) blacklist = [ 'kernel-dev', 'kernel-image', 'kernel-base', 'kernel-vmlinux' ] for l in module_deps.values(): for i in l: pkg = module_pattern % legitimize_package_name(re.match(module_regex, os.path.basename(i)).group(1)) blacklist.append(pkg) metapkg_rdepends = [] packages = bb.data.getVar('PACKAGES', d, 1).split() for pkg in packages[1:]: if not pkg in blacklist and not pkg in metapkg_rdepends: metapkg_rdepends.append(pkg) bb.data.setVar('RDEPENDS_' + metapkg, ' '.join(metapkg_rdepends), d) bb.data.setVar('DESCRIPTION_' + metapkg, 'Kernel modules meta package', d) packages.append(metapkg) bb.data.setVar('PACKAGES', ' '.join(packages), d) } # Support checking the kernel size since some kernels need to reside in partitions # with a fixed length or there is a limit in transferring the kernel to memory do_sizecheck() { if [ ! -z "${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