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-rw-r--r--meta/classes/kernel.bbclass435
1 files changed, 435 insertions, 0 deletions
diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
new file mode 100644
index 000000000..ad51c4e03
--- /dev/null
+++ b/meta/classes/kernel.bbclass
@@ -0,0 +1,435 @@
+inherit 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]}"
+
+# [jbowler 20051109] ${PV}${KERNEL_LOCALVERSION} is used throughout this
+# .bbclass to (apparently) find the full 'uname -r' kernel version, this
+# should be the same as UTS_RELEASE or (in this file) KERNEL_VERSION:
+# KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)$(LOCALVERSION)
+# but since this is not certain this overridable setting is used here:
+KERNEL_RELEASE ?= "${PV}${KERNEL_LOCALVERSION}"
+
+KERNEL_CCSUFFIX ?= ""
+KERNEL_LDSUFFIX ?= ""
+
+# Set TARGET_??_KERNEL_ARCH in the machine .conf to set architecture
+# specific options necessary for building the kernel and modules.
+#FIXME: should be this: TARGET_CC_KERNEL_ARCH ?= "${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"}"
+
+# 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
+
+def get_kernelmajorversion(p):
+ import re
+ r = re.compile("([0-9]+\.[0-9]+).*")
+ m = r.match(p);
+ if m:
+ return m.group(1)
+ return None
+
+KERNEL_VERSION = "${@get_kernelversion('${S}/include/linux/version.h')}"
+KERNEL_MAJOR_VERSION = "${@get_kernelmajorversion('${KERNEL_VERSION}')}"
+
+KERNEL_LOCALVERSION ?= ""
+
+# kernels are generally machine specific
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+kernel_do_compile() {
+ unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
+ oe_runmake include/linux/version.h CC="${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/
+
+ if [ -d include/sound ]; then
+ mkdir -p ${STAGING_KERNEL_DIR}/include/sound
+ cp -fR include/sound/* ${STAGING_KERNEL_DIR}/include/sound/
+ fi
+
+ 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_RELEASE}
+ ln -sf config-${KERNEL_RELEASE} ${STAGING_KERNEL_DIR}/.config
+ ln -sf config-${KERNEL_RELEASE} ${STAGING_KERNEL_DIR}/kernel-config
+ echo "${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_RELEASE}
+ [ -e Module.symvers ] && install -m 0644 Module.symvers ${STAGING_KERNEL_DIR}/
+
+ cp -fR scripts ${STAGING_KERNEL_DIR}/
+}
+
+kernel_do_install() {
+ unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
+ if (grep -q -i -e '^CONFIG_MODULES=y$' .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_RELEASE}
+ install -m 0644 System.map ${D}/boot/System.map-${KERNEL_RELEASE}
+ install -m 0644 .config ${D}/boot/config-${KERNEL_RELEASE}
+ install -d ${D}/etc/modutils
+
+ # 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 ${STAGING_KERNEL_DIR}/
+}
+
+kernel_do_configure() {
+ yes '' | oe_runmake oldconfig
+}
+
+pkg_postinst_kernel () {
+ update-alternatives --install /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE} /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_RELEASE} ${KERNEL_PRIORITY} || true
+}
+
+pkg_postrm_kernel () {
+ update-alternatives --remove ${KERNEL_IMAGETYPE} /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_RELEASE} || true
+}
+
+inherit cml1
+
+EXPORT_FUNCTIONS do_compile do_install do_stage do_configure
+
+PACKAGES = "kernel kernel-image kernel-dev"
+FILES = ""
+FILES_kernel-image = "/boot/${KERNEL_IMAGETYPE}*"
+FILES_kernel-dev = "/boot/System.map* /boot/config*"
+RDEPENDS_kernel = "kernel-image-${KERNEL_VERSION}"
+PKG_kernel-image = "kernel-image-${KERNEL_VERSION}"
+ALLOW_EMPTY_kernel = "1"
+ALLOW_EMPTY_kernel-image = "1"
+
+pkg_postinst_kernel-image () {
+if [ ! -e "$D/lib/modules/${KERNEL_RELEASE}" ]; then
+ mkdir -p $D/lib/modules/${KERNEL_RELEASE}
+fi
+if [ -n "$D" ]; then
+ ${HOST_PREFIX}depmod-${KERNEL_MAJOR_VERSION} -A -b $D -F ${STAGING_KERNEL_DIR}/System.map-${KERNEL_RELEASE} ${KERNEL_VERSION}
+else
+ depmod -A
+fi
+}
+
+pkg_postinst_modules () {
+if [ -n "$D" ]; then
+ ${HOST_PREFIX}depmod-${KERNEL_MAJOR_VERSION} -A -b $D -F ${STAGING_KERNEL_DIR}/System.map-${KERNEL_RELEASE} ${KERNEL_VERSION}
+else
+ depmod -A
+ update-modules || true
+fi
+}
+
+pkg_postrm_modules () {
+update-modules || true
+}
+
+autoload_postinst_fragment() {
+if [ x"$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_RELEASE', 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
+ v = bb.data.getVar("PARALLEL_INSTALL_MODULES", d, 1) or "0"
+ if v == "1":
+ kv = bb.data.getVar("KERNEL_MAJOR_VERSION", d, 1)
+ dependency_pkg = "%s-%s" % (dependency_pkg, kv)
+ 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/<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 kernel-image-%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' ]
+ 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)
+
+ v = bb.data.getVar("PARALLEL_INSTALL_MODULES", d, 1) or "0"
+ if v == "1":
+ kv = bb.data.getVar("KERNEL_MAJOR_VERSION", d, 1)
+ packages = bb.data.getVar("PACKAGES", d, 1).split()
+ module_re = re.compile("^kernel-module-")
+
+ newmetapkg = "kernel-modules-%s" % kv
+ bb.data.setVar('ALLOW_EMPTY_' + newmetapkg, "1", d)
+ bb.data.setVar('FILES_' + newmetapkg, "", d)
+
+ newmetapkg_rdepends = []
+
+ for p in packages:
+ if not module_re.match(p):
+ continue
+ pkg = bb.data.getVar("PKG_%s" % p, d, 1) or p
+ newpkg = "%s-%s" % (pkg, kv)
+ bb.data.setVar("PKG_%s" % p, newpkg, d)
+ rprovides = bb.data.getVar("RPROVIDES_%s" % p, d, 1)
+ if rprovides:
+ rprovides = "%s %s" % (rprovides, pkg)
+ else:
+ rprovides = pkg
+ bb.data.setVar("RPROVIDES_%s" % p, rprovides, d)
+ newmetapkg_rdepends.append(newpkg)
+
+ bb.data.setVar('RDEPENDS_' + newmetapkg, ' '.join(newmetapkg_rdepends), d)
+ bb.data.setVar('DESCRIPTION_' + newmetapkg, 'Kernel modules meta package', d)
+ packages.append(newmetapkg)
+ bb.data.setVar('PACKAGES', ' '.join(packages), d)
+
+}
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-23 05:19:30 +0000