1 inherit linux-kernel-base module_strip
3 PROVIDES += "virtual/kernel"
4 DEPENDS += "virtual/${TARGET_PREFIX}depmod-${@get_kernelmajorversion('${PV}')} virtual/${TARGET_PREFIX}gcc${KERNEL_CCSUFFIX} update-modules"
6 KERNEL_IMAGETYPE ?= "zImage"
8 # Add dependency on mkimage for kernels that build a uImage
10 python __anonymous () {
14 kerneltype = bb.data.getVar('KERNEL_IMAGETYPE', d, 1) or ''
15 if kerneltype == 'uImage':
16 depends = bb.data.getVar("DEPENDS", d, 1)
17 depends = "%s u-boot-mkimage-openmoko-native" % depends
18 bb.data.setVar("DEPENDS", depends, d)
20 image = bb.data.getVar('INITRAMFS_IMAGE', d, True)
21 if image != '' and image is not None:
22 bb.data.setVar('INITRAMFS_TASK', '${INITRAMFS_IMAGE}:do_rootfs', d)
30 PACKAGES_DYNAMIC += "kernel-module-*"
31 PACKAGES_DYNAMIC += "kernel-image-*"
33 export OS = "${TARGET_OS}"
34 export CROSS_COMPILE = "${TARGET_PREFIX}"
36 KERNEL_PRIORITY = "${@bb.data.getVar('PV',d,1).split('-')[0].split('.')[-1]}"
38 KERNEL_RELEASE ?= "${KERNEL_VERSION}"
43 # Set TARGET_??_KERNEL_ARCH in the machine .conf to set architecture
44 # specific options necessary for building the kernel and modules.
45 #FIXME: should be this: TARGET_CC_KERNEL_ARCH ?= "${TARGET_CC_ARCH}"
46 TARGET_CC_KERNEL_ARCH ?= ""
47 HOST_CC_KERNEL_ARCH ?= "${TARGET_CC_KERNEL_ARCH}"
48 TARGET_LD_KERNEL_ARCH ?= ""
49 HOST_LD_KERNEL_ARCH ?= "${TARGET_LD_KERNEL_ARCH}"
51 KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc${KERNEL_CCSUFFIX} ${HOST_CC_KERNEL_ARCH}"
52 KERNEL_LD = "${LD}${KERNEL_LDSUFFIX} ${HOST_LD_KERNEL_ARCH}"
54 # Where built kernel lies in the kernel tree
55 KERNEL_OUTPUT = "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}"
56 KERNEL_IMAGEDEST = "boot"
61 export CMDLINE_CONSOLE = "console=${@bb.data.getVar("KERNEL_CONSOLE",d,1) or "ttyS0"}"
63 KERNEL_VERSION = "${@get_kernelversion('${S}')}"
64 KERNEL_MAJOR_VERSION = "${@get_kernelmajorversion('${KERNEL_VERSION}')}"
66 KERNEL_LOCALVERSION ?= ""
68 # kernels are generally machine specific
69 PACKAGE_ARCH = "${MACHINE_ARCH}"
72 UBOOT_ENTRYPOINT ?= "20008000"
73 UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}"
76 if [ ! -z "${INITRAMFS_IMAGE}" ]; then
77 cp "${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.cpio.gz" initramfs.cpio.gz
79 unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
80 oe_runmake include/linux/version.h CC="${KERNEL_CC}" LD="${KERNEL_LD}"
81 if [ "${KERNEL_MAJOR_VERSION}" != "2.6" ]; then
82 oe_runmake dep CC="${KERNEL_CC}" LD="${KERNEL_LD}"
84 oe_runmake ${KERNEL_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}"
85 if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
86 oe_runmake modules CC="${KERNEL_CC}" LD="${KERNEL_LD}"
88 oenote "no modules to compile"
91 kernel_do_compile[depends] = "${INITRAMFS_TASK}"
95 ASMDIR=`readlink include/asm`
97 mkdir -p ${STAGING_KERNEL_DIR}/include/$ASMDIR
98 cp -fR include/$ASMDIR/* ${STAGING_KERNEL_DIR}/include/$ASMDIR/
99 rm -f $ASMDIR ${STAGING_KERNEL_DIR}/include/asm
100 ln -sf $ASMDIR ${STAGING_KERNEL_DIR}/include/asm
102 mkdir -p ${STAGING_KERNEL_DIR}/include/asm-generic
103 cp -fR include/asm-generic/* ${STAGING_KERNEL_DIR}/include/asm-generic/
105 mkdir -p ${STAGING_KERNEL_DIR}/include/linux
106 cp -fR include/linux/* ${STAGING_KERNEL_DIR}/include/linux/
108 mkdir -p ${STAGING_KERNEL_DIR}/include/net
109 cp -fR include/net/* ${STAGING_KERNEL_DIR}/include/net/
111 mkdir -p ${STAGING_KERNEL_DIR}/include/pcmcia
112 cp -fR include/pcmcia/* ${STAGING_KERNEL_DIR}/include/pcmcia/
114 for entry in drivers/crypto include/media include/acpi include/sound include/video; do
115 if [ -d $entry ]; then
116 mkdir -p ${STAGING_KERNEL_DIR}/$entry
117 cp -fR $entry/* ${STAGING_KERNEL_DIR}/$entry/
121 if [ -d drivers/sound ]; then
122 # 2.4 alsa needs some headers from this directory
123 mkdir -p ${STAGING_KERNEL_DIR}/include/drivers/sound
124 cp -fR drivers/sound/*.h ${STAGING_KERNEL_DIR}/include/drivers/sound/
127 install -m 0644 .config ${STAGING_KERNEL_DIR}/config-${KERNEL_VERSION}
128 ln -sf config-${KERNEL_VERSION} ${STAGING_KERNEL_DIR}/.config
129 ln -sf config-${KERNEL_VERSION} ${STAGING_KERNEL_DIR}/kernel-config
130 echo "${KERNEL_VERSION}" >${STAGING_KERNEL_DIR}/kernel-abiversion
131 echo "${S}" >${STAGING_KERNEL_DIR}/kernel-source
132 echo "${KERNEL_CCSUFFIX}" >${STAGING_KERNEL_DIR}/kernel-ccsuffix
133 echo "${KERNEL_LDSUFFIX}" >${STAGING_KERNEL_DIR}/kernel-ldsuffix
134 [ -e Rules.make ] && install -m 0644 Rules.make ${STAGING_KERNEL_DIR}/
135 [ -e Makefile ] && install -m 0644 Makefile ${STAGING_KERNEL_DIR}/
137 # Check if arch/${ARCH}/Makefile exists and install it
138 if [ -e arch/${ARCH}/Makefile ]; then
139 install -d ${STAGING_KERNEL_DIR}/arch/${ARCH}
140 install -m 0644 arch/${ARCH}/Makefile* ${STAGING_KERNEL_DIR}/arch/${ARCH}
141 # Otherwise check arch/x86/Makefile for i386 and x86_64 on kernels >= 2.6.24
142 elif [ -e arch/x86/Makefile ]; then
143 install -d ${STAGING_KERNEL_DIR}/arch/x86
144 install -m 0644 arch/x86/Makefile* ${STAGING_KERNEL_DIR}/arch/x86
146 cp -fR include/config* ${STAGING_KERNEL_DIR}/include/
147 # Install kernel images and system.map to staging
148 [ -e vmlinux ] && install -m 0644 vmlinux ${STAGING_KERNEL_DIR}/
149 install -m 0644 ${KERNEL_OUTPUT} ${STAGING_KERNEL_DIR}/${KERNEL_IMAGETYPE}
150 install -m 0644 System.map ${STAGING_KERNEL_DIR}/System.map-${KERNEL_VERSION}
151 [ -e Module.symvers ] && install -m 0644 Module.symvers ${STAGING_KERNEL_DIR}/
153 cp -fR scripts ${STAGING_KERNEL_DIR}/
156 kernel_do_install() {
157 unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
158 if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
159 oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install
161 oenote "no modules to install"
164 install -d ${D}/${KERNEL_IMAGEDEST}
166 install -m 0644 ${KERNEL_OUTPUT} ${D}/${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION}
167 install -m 0644 System.map ${D}/boot/System.map-${KERNEL_VERSION}
168 install -m 0644 .config ${D}/boot/config-${KERNEL_VERSION}
169 install -m 0644 vmlinux ${D}/boot/vmlinux-${KERNEL_VERSION}
170 install -d ${D}/etc/modutils
171 if [ "${KERNEL_MAJOR_VERSION}" = "2.6" ]; then
172 install -d ${D}/etc/modprobe.d
175 # Check if scripts/genksyms exists and if so, build it
176 if [ -e scripts/genksyms/ ]; then
177 oe_runmake SUBDIRS="scripts/genksyms"
180 install -d ${STAGING_KERNEL_DIR}
181 cp -fR scripts ${STAGING_KERNEL_DIR}/
184 kernel_do_configure() {
185 yes '' | oe_runmake oldconfig
189 export TERMWINDOWTITLE="${PN} Kernel Configuration"
190 export SHELLCMDS="make menuconfig"
192 if [ $? -ne 0 ]; then
193 echo "Fatal: '${TERMCMD}' not found. Check TERMCMD variable."
197 do_menuconfig[nostamp] = "1"
198 addtask menuconfig after do_patch
200 pkg_postinst_kernel () {
201 cd /${KERNEL_IMAGEDEST}; update-alternatives --install /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE}-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true
204 pkg_postrm_kernel () {
205 cd /${KERNEL_IMAGEDEST}; update-alternatives --remove ${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE}-${KERNEL_VERSION} || true
210 EXPORT_FUNCTIONS do_compile do_install do_stage do_configure
212 # kernel-base becomes kernel-${KERNEL_VERSION}
213 # kernel-image becomes kernel-image-${KERNEL_VERISON}
214 PACKAGES = "kernel kernel-base kernel-image kernel-dev kernel-vmlinux"
216 FILES_kernel-image = "/boot/${KERNEL_IMAGETYPE}*"
217 FILES_kernel-dev = "/boot/System.map* /boot/config*"
218 FILES_kernel-vmlinux = "/boot/vmlinux*"
219 RDEPENDS_kernel = "kernel-base"
220 RRECOMMENDS_kernel-module-hostap-cs += '${@base_version_less_or_equal("KERNEL_VERSION", "2.6.17", "", "apm-wifi-suspendfix", d)}'
221 RRECOMMENDS_kernel-module-orinoco-cs += '${@base_version_less_or_equal("KERNEL_VERSION", "2.6.17", "", "apm-wifi-suspendfix", d)}'
222 # Allow machines to override this dependency if kernel image files are
223 # not wanted in images as standard
224 RDEPENDS_kernel-base ?= "kernel-image"
225 PKG_kernel-image = "kernel-image-${KERNEL_VERSION}"
226 PKG_kernel-base = "kernel-${KERNEL_VERSION}"
227 ALLOW_EMPTY_kernel = "1"
228 ALLOW_EMPTY_kernel-base = "1"
229 ALLOW_EMPTY_kernel-image = "1"
231 # Userspace workarounds for kernel modules issues
232 # This is shame, fix the kernel instead!
233 DEPENDS_kernel-module-dtl1-cs = "bluez-dtl1-workaround"
234 RDEPENDS_kernel-module-dtl1-cs = "bluez-dtl1-workaround"
236 pkg_postinst_kernel-image () {
237 if [ ! -e "$D/lib/modules/${KERNEL_VERSION}" ]; then
238 mkdir -p $D/lib/modules/${KERNEL_VERSION}
241 ${HOST_PREFIX}depmod-${KERNEL_MAJOR_VERSION} -A -b $D -F ${STAGING_KERNEL_DIR}/System.map-${KERNEL_VERSION} ${KERNEL_VERSION}
247 pkg_postinst_modules () {
249 ${HOST_PREFIX}depmod-${KERNEL_MAJOR_VERSION} -A -b $D -F ${STAGING_KERNEL_DIR}/System.map-${KERNEL_VERSION} ${KERNEL_VERSION}
252 update-modules || true
256 pkg_postrm_modules () {
257 update-modules || true
260 autoload_postinst_fragment() {
261 if [ x"$D" = "x" ]; then
266 # autoload defaults (alphabetically sorted)
267 module_autoload_hidp = "hidp"
268 module_autoload_ipv6 = "ipv6"
269 module_autoload_ipsec = "ipsec"
270 module_autoload_ircomm-tty = "ircomm-tty"
271 module_autoload_rfcomm = "rfcomm"
272 module_autoload_sa1100-rtc = "sa1100-rtc"
273 # sa1100-rtc was renamed in 2.6.23 onwards
274 module_autoload_rtc-sa1100 = "rtc-sa1100"
276 # alias defaults (alphabetically sorted)
277 module_conf_af_packet = "alias net-pf-17 af_packet"
278 module_conf_bluez = "alias net-pf-31 bluez"
279 module_conf_bnep = "alias bt-proto-4 bnep"
280 module_conf_hci_uart = "alias tty-ldisc-15 hci_uart"
281 module_conf_l2cap = "alias bt-proto-0 l2cap"
282 module_conf_sco = "alias bt-proto-2 sco"
283 module_conf_rfcomm = "alias bt-proto-3 rfcomm"
285 python populate_packages_prepend () {
286 def extract_modinfo(file):
288 tmpfile = os.tmpnam()
289 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)
292 l = f.read().split("\000")
295 exp = re.compile("([^=]+)=(.*)")
301 vals[m.group(1)] = m.group(2)
307 dvar = bb.data.getVar('D', d, 1)
309 bb.error("D not defined")
312 kernelver = bb.data.getVar('KERNEL_VERSION', d, 1)
313 kernelver_stripped = kernelver
314 m = re.match('^(.*-hh.*)[\.\+].*$', kernelver)
316 kernelver_stripped = m.group(1)
317 path = bb.data.getVar("PATH", d, 1)
318 host_prefix = bb.data.getVar("HOST_PREFIX", d, 1) or ""
319 major_version = bb.data.getVar('KERNEL_MAJOR_VERSION', d, 1)
321 cmd = "PATH=\"%s\" %sdepmod-%s -n -a -r -b %s -F %s/boot/System.map-%s %s" % (path, host_prefix, major_version, dvar, dvar, kernelver, kernelver_stripped)
322 f = os.popen(cmd, 'r')
325 pattern0 = "^(.*\.k?o):..*$"
326 pattern1 = "^(.*\.k?o):\s*(.*\.k?o)\s*$"
327 pattern2 = "^(.*\.k?o):\s*(.*\.k?o)\s*\\\$"
328 pattern3 = "^\t(.*\.k?o)\s*\\\$"
329 pattern4 = "^\t(.*\.k?o)\s*$"
333 if not re.match(pattern0, line):
336 m1 = re.match(pattern1, line)
338 deps[m1.group(1)] = m1.group(2).split()
340 m2 = re.match(pattern2, line)
342 deps[m2.group(1)] = m2.group(2).split()
344 m3 = re.match(pattern3, line)
346 deps[m2.group(1)].extend(m3.group(1).split())
348 m3 = re.match(pattern3, line)
349 m4 = re.match(pattern4, line)
350 deps[m2.group(1)].extend(m4.group(1).split())
355 def get_dependencies(file, pattern, format):
356 file = file.replace(bb.data.getVar('D', d, 1) or '', '', 1)
358 if module_deps.has_key(file):
361 for i in module_deps[file]:
362 m = re.match(pattern, os.path.basename(i))
365 on = legitimize_package_name(m.group(1))
366 dependency_pkg = format % on
367 dependencies.append(dependency_pkg)
371 def frob_metadata(file, pkg, pattern, format, basename):
373 vals = extract_modinfo(file)
375 dvar = bb.data.getVar('D', d, 1)
377 # If autoloading is requested, output /etc/modutils/<name> and append
378 # appropriate modprobe commands to the postinst
379 autoload = bb.data.getVar('module_autoload_%s' % basename, d, 1)
381 # Also, try canonical name with dashes
382 autoload = bb.data.getVar('module_autoload_%s' % basename.replace('_', '-'), d, 1)
384 name = '%s/etc/modutils/%s' % (dvar, basename)
386 for m in autoload.split():
389 postinst = bb.data.getVar('pkg_postinst_%s' % pkg, d, 1)
391 bb.fatal("pkg_postinst_%s not defined" % pkg)
392 postinst += bb.data.getVar('autoload_postinst_fragment', d, 1) % autoload
393 bb.data.setVar('pkg_postinst_%s' % pkg, postinst, d)
395 # Write out any modconf fragment
396 modconf = bb.data.getVar('module_conf_%s' % basename, d, 1)
398 if bb.data.getVar("KERNEL_MAJOR_VERSION", d, 1) == "2.6":
399 name = '%s/etc/modprobe.d/%s.conf' % (dvar, basename)
401 name = '%s/etc/modutils/%s.conf' % (dvar, basename)
403 f.write("%s\n" % modconf)
406 files = bb.data.getVar('FILES_%s' % pkg, d, 1)
407 files = "%s /etc/modutils/%s /etc/modutils/%s.conf /etc/modprobe.d/%s.conf" % (files, basename, basename, basename)
408 bb.data.setVar('FILES_%s' % pkg, files, d)
410 if vals.has_key("description"):
411 old_desc = bb.data.getVar('DESCRIPTION_' + pkg, d, 1) or ""
412 bb.data.setVar('DESCRIPTION_' + pkg, old_desc + "; " + vals["description"], d)
414 rdepends_str = bb.data.getVar('RDEPENDS_' + pkg, d, 1)
416 rdepends = rdepends_str.split()
419 rdepends.extend(get_dependencies(file, pattern, format))
420 bb.data.setVar('RDEPENDS_' + pkg, ' '.join(rdepends), d)
422 module_deps = parse_depmod()
423 module_regex = '^(.*)\.k?o$'
424 module_pattern = 'kernel-module-%s'
426 postinst = bb.data.getVar('pkg_postinst_modules', d, 1)
427 postrm = bb.data.getVar('pkg_postrm_modules', d, 1)
428 do_split_packages(d, root='/lib/modules', file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='update-modules kernel-%s' % bb.data.getVar("KERNEL_VERSION", d, 1))
431 metapkg = "kernel-modules"
432 bb.data.setVar('ALLOW_EMPTY_' + metapkg, "1", d)
433 bb.data.setVar('FILES_' + metapkg, "", d)
434 blacklist = [ 'kernel-dev', 'kernel-image', 'kernel-base', 'kernel-vmlinux' ]
435 for l in module_deps.values():
437 pkg = module_pattern % legitimize_package_name(re.match(module_regex, os.path.basename(i)).group(1))
438 blacklist.append(pkg)
439 metapkg_rdepends = []
440 packages = bb.data.getVar('PACKAGES', d, 1).split()
441 for pkg in packages[1:]:
442 if not pkg in blacklist and not pkg in metapkg_rdepends:
443 metapkg_rdepends.append(pkg)
444 bb.data.setVar('RDEPENDS_' + metapkg, ' '.join(metapkg_rdepends), d)
445 bb.data.setVar('DESCRIPTION_' + metapkg, 'Kernel modules meta package', d)
446 packages.append(metapkg)
447 bb.data.setVar('PACKAGES', ' '.join(packages), d)
450 # Support checking the kernel size since some kernels need to reside in partitions
451 # with a fixed length or there is a limit in transferring the kernel to memory
453 if [ ! -z "${KERNEL_IMAGE_MAXSIZE}" -a -z "${DONT_CHECK_KERNELSIZE}"]; then
454 size=`ls -l arch/${ARCH}/boot/${KERNEL_IMAGETYPE} | awk '{ print $5}'`
455 if [ $size -ge ${KERNEL_IMAGE_MAXSIZE} ]; then
456 rm arch/${ARCH}/boot/${KERNEL_IMAGETYPE}
457 die "This kernel (size=$size > ${KERNEL_IMAGE_MAXSIZE}) is too big for your device. Please reduce the size of the kernel by making more of it modular."
462 addtask sizecheck before do_install after do_compile
464 KERNEL_IMAGE_BASE_NAME ?= "${KERNEL_IMAGETYPE}-${PV}-${PR}-${MACHINE}"
465 KERNEL_IMAGE_SYMLINK_NAME ?= "${KERNEL_IMAGETYPE}-${MACHINE}"
468 install -d ${DEPLOY_DIR_IMAGE}
469 install -m 0644 arch/${ARCH}/boot/${KERNEL_IMAGETYPE} ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin
470 package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin
472 if [ -d "${D}/lib" ]; then
473 tar -cvzf ${DEPLOY_DIR_IMAGE}/modules-${PV}-${PR}-${MACHINE}.tgz -C ${D} lib
476 if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then
477 if test -e arch/${ARCH}/boot/compressed/vmlinux ; then
478 ${OBJCOPY} -O binary -R .note -R .comment -S arch/${ARCH}/boot/compressed/vmlinux linux.bin
479 uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C none -a ${UBOOT_LOADADDRESS} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin
482 ${OBJCOPY} -O binary -R .note -R .comment -S vmlinux linux.bin
485 uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C gzip -a ${UBOOT_LOADADDRESS} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin.gz ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin
488 package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin
491 cd ${DEPLOY_DIR_IMAGE}
492 rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.bin
493 ln -sf ${KERNEL_IMAGE_BASE_NAME}.bin ${KERNEL_IMAGE_SYMLINK_NAME}.bin
494 package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_SYMLINK_NAME}.bin
497 do_deploy[dirs] = "${S}"
499 addtask deploy before do_package after do_install