diff options
Diffstat (limited to 'classes/kernel.bbclass')
| -rw-r--r-- | classes/kernel.bbclass | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/classes/kernel.bbclass b/classes/kernel.bbclass index e69de29bb2..8177654371 100644 --- a/classes/kernel.bbclass +++ b/classes/kernel.bbclass @@ -0,0 +1,312 @@ +inherit module_strip + +PROVIDES += "virtual/kernel" +DEPENDS += "virtual/${TARGET_PREFIX}depmod virtual/${TARGET_PREFIX}gcc${KERNEL_CCSUFFIX} update-modules" + +inherit kernel-arch + +export OS = "${TARGET_OS}" +export CROSS_COMPILE = "${TARGET_PREFIX}" +KERNEL_IMAGETYPE = "zImage" + +KERNEL_PRIORITY = "${@bb.data.getVar('PV',d,1).split('-')[0].split('.')[-1]}" + +KERNEL_CCSUFFIX ?= "" +KERNEL_LDSUFFIX ?= "" + +KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc${KERNEL_CCSUFFIX}" +KERNEL_LD = "${LD}${KERNEL_LDSUFFIX}" + +KERNEL_OUTPUT = "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}" +KERNEL_IMAGEDEST = "boot" + +# +# configuration +# +export CMDLINE_CONSOLE = "console=${@bb.data.getVar("KERNEL_CONSOLE",d,1) or "ttyS0"}" + +# parse kernel ABI version out of <linux/version.h> +def get_kernelversion(p): + import re + try: + f = open(p, 'r') + except IOError: + return None + l = f.readlines() + f.close() + r = re.compile("#define UTS_RELEASE \"(.*)\"") + for s in l: + m = r.match(s) + if m: + return m.group(1) + return None + +KERNEL_VERSION = "${@get_kernelversion('${S}/include/linux/version.h')}" + +# kernels are generally machine specific +PACKAGE_ARCH = "${MACHINE_ARCH}" + +kernel_do_compile() { + unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS + oe_runmake include/linux/version.h CC="${KERNEL_CC}" LD="${KERNEL_LD}" + oe_runmake dep CC="${KERNEL_CC}" LD="${KERNEL_LD}" + 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` + install -d ${STAGING_KERNEL_DIR}/include/{$ASMDIR,asm-generic,linux,net,pcmcia} + ln -sf $ASMDIR ${STAGING_KERNEL_DIR}/include/asm + cp -fR include/linux/* ${STAGING_KERNEL_DIR}/include/linux/ + cp -fR include/$ASMDIR/* ${STAGING_KERNEL_DIR}/include/$ASMDIR/ + cp -fR include/asm-generic/* ${STAGING_KERNEL_DIR}/include/asm-generic/ + cp -fR include/net/* ${STAGING_KERNEL_DIR}/include/net/ + cp -fR include/pcmcia/* ${STAGING_KERNEL_DIR}/include/pcmcia/ + install -m 0644 .config ${STAGING_KERNEL_DIR}/config-${PV} + ln -sf config-${PV} ${STAGING_KERNEL_DIR}/.config + ln -sf config-${PV} ${STAGING_KERNEL_DIR}/kernel-config + echo "${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 scripts ${STAGING_KERNEL_DIR}/ + cp -fR include/config* ${STAGING_KERNEL_DIR}/include/ + install -m 0644 ${KERNEL_OUTPUT} ${STAGING_KERNEL_DIR}/${KERNEL_IMAGETYPE} + install -m 0644 System.map ${STAGING_KERNEL_DIR}/System.map-${PV} +} + +kernel_do_install() { + unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS + 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}/${KERNEL_IMAGETYPE}-${PV} + install -m 0644 System.map ${D}/boot/System.map-${PV} + install -m 0644 .config ${D}/boot/config-${PV} + install -d ${D}/etc/modutils +} + +kernel_do_configure() { + yes '' | oe_runmake oldconfig +} + +pkg_postinst_kernel () { + update-alternatives --install /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE} /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${PV} ${KERNEL_PRIORITY} || true +} + +pkg_postrm_kernel () { + update-alternatives --remove ${KERNEL_IMAGETYPE} /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${PV} || true +} + +inherit cml1 + +EXPORT_FUNCTIONS do_compile do_install do_stage do_configure + +PACKAGES = "kernel kernel-dev" +FILES = "" +FILES_kernel = "/boot/${KERNEL_IMAGETYPE}*" +FILES_kernel-dev = "/boot/System.map* /boot/config*" + +pkg_postinst_modules () { +if [ -n "$D" ]; then + ${HOST_PREFIX}depmod -A -b $D -F ${STAGING_KERNEL_DIR}/System.map-${PV} ${KERNEL_VERSION} +else + depmod -A + update-modules || true +fi +} + +pkg_postrm_modules () { +update-modules || true +} + +autoload_postinst_fragment() { +if [ x"$D" = "x" ]; then + modprobe %s +fi +} + +# defaults +module_autoload_ipv6 = "ipv6" +module_autoload_ipsec = "ipsec" +module_conf_bluez = "alias net-pf-31 bluez" +module_conf_l2cap = "alias bt-proto-0 l2cap" +module_conf_sco = "alias bt-proto-2 sco" +module_conf_rfcomm = "alias bt-proto-3 rfcomm" +module_conf_bnep = "alias bt-proto-4 bnep" +module_conf_hci_uart = "alias tty-ldisc-15 hci_uart" + +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('PV', d, 1) + kernelver_stripped = kernelver + m = re.match('^(.*-hh.*)\..*$', kernelver) + if m: + kernelver_stripped = m.group(1) + path = bb.data.getVar("PATH", d, 1) + host_prefix = bb.data.getVar("HOST_PREFIX", d, 1) or "" + + cmd = "PATH=\"%s\" %sdepmod -n -a -r -b %s -F %s/boot/System.map-%s %s" % (path, host_prefix, dvar, dvar, kernelver, kernelver_stripped) + f = os.popen(cmd, 'r') + + deps = {} + pattern0 = "^(.*\.o):..*$" + pattern1 = "^(.*\.o):\t(.*\.o)$" + pattern2 = "^(.*\.o):\t(.*\.o) \\\$" + pattern3 = "^\t(.*\.o) \\\$" + pattern4 = "^\t(.*\.o)$" + + 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)] + else: + m2 = re.match(pattern2, line) + if m2: + deps[m2.group(1)] = [m2.group(2)] + line = f.readline() + m3 = re.match(pattern3, line) + while m3: + deps[m2.group(1)].append(m3.group(1)) + line = f.readline() + m3 = re.match(pattern3, line) + m4 = re.match(pattern4, line) + deps[m2.group(1)].append(m4.group(1)) + 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)) + dependencies.append(format % on) + 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/<name> 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: + 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" % (files, 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') + + 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' ] + 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) +} |