3 PROVIDES += "virtual/kernel"
4 DEPENDS += "virtual/${TARGET_PREFIX}depmod-${@get_kernelmajorversion('${PV}')} virtual/${TARGET_PREFIX}gcc${KERNEL_CCSUFFIX} update-modules"
8 export OS = "${TARGET_OS}"
9 export CROSS_COMPILE = "${TARGET_PREFIX}"
10 KERNEL_IMAGETYPE = "zImage"
12 KERNEL_PRIORITY = "${@bb.data.getVar('PV',d,1).split('-')[0].split('.')[-1]}"
17 KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc${KERNEL_CCSUFFIX}"
18 KERNEL_LD = "${LD}${KERNEL_LDSUFFIX}"
20 KERNEL_OUTPUT = "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}"
21 KERNEL_IMAGEDEST = "boot"
26 export CMDLINE_CONSOLE = "console=${@bb.data.getVar("KERNEL_CONSOLE",d,1) or "ttyS0"}"
28 # parse kernel ABI version out of <linux/version.h>
29 def get_kernelversion(p):
37 r = re.compile("#define UTS_RELEASE \"(.*)\"")
44 def get_kernelmajorversion(p):
46 r = re.compile("([0-9]+\.[0-9]+).*")
52 KERNEL_VERSION = "${@get_kernelversion('${S}/include/linux/version.h')}"
53 KERNEL_MAJOR_VERSION = "${@get_kernelmajorversion('${KERNEL_VERSION}')}"
55 # kernels are generally machine specific
56 PACKAGE_ARCH = "${MACHINE_ARCH}"
59 unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
60 oe_runmake include/linux/version.h CC="${KERNEL_CC}" LD="${KERNEL_LD}"
61 oe_runmake dep CC="${KERNEL_CC}" LD="${KERNEL_LD}"
62 oe_runmake ${KERNEL_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}"
63 if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
64 oe_runmake modules CC="${KERNEL_CC}" LD="${KERNEL_LD}"
66 oenote "no modules to compile"
71 ASMDIR=`readlink include/asm`
73 mkdir -p ${STAGING_KERNEL_DIR}/include/$ASMDIR
74 cp -fR include/$ASMDIR/* ${STAGING_KERNEL_DIR}/include/$ASMDIR/
75 ln -sf $ASMDIR ${STAGING_KERNEL_DIR}/include/asm
77 mkdir -p ${STAGING_KERNEL_DIR}/include/asm-generic
78 cp -fR include/asm-generic/* ${STAGING_KERNEL_DIR}/include/asm-generic/
80 mkdir -p ${STAGING_KERNEL_DIR}/include/linux
81 cp -fR include/linux/* ${STAGING_KERNEL_DIR}/include/linux/
83 mkdir -p ${STAGING_KERNEL_DIR}/include/net
84 cp -fR include/net/* ${STAGING_KERNEL_DIR}/include/net/
86 mkdir -p ${STAGING_KERNEL_DIR}/include/pcmcia
87 cp -fR include/pcmcia/* ${STAGING_KERNEL_DIR}/include/pcmcia/
89 if [ -d drivers/sound ]; then
90 # 2.4 alsa needs some headers from this directory
91 mkdir -p ${STAGING_KERNEL_DIR}/include/drivers/sound
92 cp -fR drivers/sound/*.h ${STAGING_KERNEL_DIR}/include/drivers/sound/
95 install -m 0644 .config ${STAGING_KERNEL_DIR}/config-${KERNEL_VERSION}
96 ln -sf config-${KERNEL_VERSION} ${STAGING_KERNEL_DIR}/.config
97 ln -sf config-${KERNEL_VERSION} ${STAGING_KERNEL_DIR}/kernel-config
98 echo "${KERNEL_VERSION}" >${STAGING_KERNEL_DIR}/kernel-abiversion
99 echo "${S}" >${STAGING_KERNEL_DIR}/kernel-source
100 echo "${KERNEL_CCSUFFIX}" >${STAGING_KERNEL_DIR}/kernel-ccsuffix
101 echo "${KERNEL_LDSUFFIX}" >${STAGING_KERNEL_DIR}/kernel-ldsuffix
102 [ -e Rules.make ] && install -m 0644 Rules.make ${STAGING_KERNEL_DIR}/
103 [ -e Makefile ] && install -m 0644 Makefile ${STAGING_KERNEL_DIR}/
105 # Check if arch/${ARCH}/Makefile exists and install it
106 if [ -e arch/${ARCH}/Makefile ]; then
107 install -d ${STAGING_KERNEL_DIR}/arch/${ARCH}
108 install -m 0644 arch/${ARCH}/Makefile ${STAGING_KERNEL_DIR}/arch/${ARCH}
110 cp -fR include/config* ${STAGING_KERNEL_DIR}/include/
111 install -m 0644 ${KERNEL_OUTPUT} ${STAGING_KERNEL_DIR}/${KERNEL_IMAGETYPE}
112 install -m 0644 System.map ${STAGING_KERNEL_DIR}/System.map-${KERNEL_VERSION}
113 [ -e Module.symvers ] && install -m 0644 Module.symvers ${STAGING_KERNEL_DIR}/
115 cp -fR scripts ${STAGING_KERNEL_DIR}/
118 kernel_do_install() {
119 unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
120 if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
121 oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install
123 oenote "no modules to install"
126 install -d ${D}/${KERNEL_IMAGEDEST}
128 install -m 0644 ${KERNEL_OUTPUT} ${D}/${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION}
129 install -m 0644 System.map ${D}/boot/System.map-${KERNEL_VERSION}
130 install -m 0644 .config ${D}/boot/config-${KERNEL_VERSION}
131 install -d ${D}/etc/modutils
133 # Check if scripts/genksyms exists and if so, build it
134 if [ -e scripts/genksyms/ ]; then
135 oe_runmake SUBDIRS="scripts/genksyms"
138 cp -fR scripts ${STAGING_KERNEL_DIR}/
141 kernel_do_configure() {
142 yes '' | oe_runmake oldconfig
145 pkg_postinst_kernel () {
146 update-alternatives --install /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE} /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true
149 pkg_postrm_kernel () {
150 update-alternatives --remove ${KERNEL_IMAGETYPE} /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${KERNEL_VERSION} || true
155 EXPORT_FUNCTIONS do_compile do_install do_stage do_configure
157 PACKAGES = "kernel kernel-image kernel-dev"
159 FILES_kernel-image = "/boot/${KERNEL_IMAGETYPE}*"
160 FILES_kernel-dev = "/boot/System.map* /boot/config*"
161 RDEPENDS_kernel = "kernel-image-${KERNEL_VERSION}"
162 PKG_kernel-image = "kernel-image-${KERNEL_VERSION}"
163 ALLOW_EMPTY_kernel = "1"
164 ALLOW_EMPTY_kernel-image = "1"
166 pkg_postinst_modules () {
168 ${HOST_PREFIX}depmod -A -b $D -F ${STAGING_KERNEL_DIR}/System.map-${KERNEL_VERSION} ${KERNEL_VERSION}
171 update-modules || true
175 pkg_postrm_modules () {
176 update-modules || true
179 autoload_postinst_fragment() {
180 if [ x"$D" = "x" ]; then
185 # autoload defaults (alphabetically sorted)
186 module_autoload_evdev = "evdev"
187 module_autoload_hidp = "hidp"
188 module_autoload_ipv6 = "ipv6"
189 module_autoload_ipsec = "ipsec"
190 module_autoload_ircomm-tty = "ircomm-tty"
191 module_autoload_rfcomm = "rfcomm"
192 module_autoload_sa1100-rtc = "sa1100-rtc"
194 # alias defaults (alphabetically sorted)
195 module_conf_af_packet = "alias net-pf-17 af_packet"
196 module_conf_bluez = "alias net-pf-31 bluez"
197 module_conf_bnep = "alias bt-proto-4 bnep"
198 module_conf_hci_uart = "alias tty-ldisc-15 hci_uart"
199 module_conf_l2cap = "alias bt-proto-0 l2cap"
200 module_conf_sco = "alias bt-proto-2 sco"
201 module_conf_rfcomm = "alias bt-proto-3 rfcomm"
203 python populate_packages_prepend () {
204 def extract_modinfo(file):
206 tmpfile = os.tmpnam()
207 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)
210 l = f.read().split("\000")
213 exp = re.compile("([^=]+)=(.*)")
219 vals[m.group(1)] = m.group(2)
225 dvar = bb.data.getVar('D', d, 1)
227 bb.error("D not defined")
230 kernelver = bb.data.getVar('KERNEL_VERSION', d, 1)
231 kernelver_stripped = kernelver
232 m = re.match('^(.*-hh.*)[\.\+].*$', kernelver)
233 if m and not bb.data.getVar('KERNEL_PRESERVE_HH_MINOR_VER', d, 1):
234 kernelver_stripped = m.group(1)
235 path = bb.data.getVar("PATH", d, 1)
236 host_prefix = bb.data.getVar("HOST_PREFIX", d, 1) or ""
238 cmd = "PATH=\"%s\" %sdepmod -n -a -r -b %s -F %s/boot/System.map-%s %s" % (path, host_prefix, dvar, dvar, kernelver, kernelver_stripped)
240 f = os.popen(cmd, 'r')
243 pattern0 = "^(.*\.k?o):..*$"
244 pattern1 = "^(.*\.k?o):\s*(.*\.k?o)\s*$"
245 pattern2 = "^(.*\.k?o):\s*(.*\.k?o)\s*\\\$"
246 pattern3 = "^\t(.*\.k?o)\s*\\\$"
247 pattern4 = "^\t(.*\.k?o)\s*$"
251 if not re.match(pattern0, line):
254 m1 = re.match(pattern1, line)
256 deps[m1.group(1)] = m1.group(2).split()
258 m2 = re.match(pattern2, line)
260 deps[m2.group(1)] = m2.group(2).split()
262 m3 = re.match(pattern3, line)
264 deps[m2.group(1)].extend(m3.group(1).split())
266 m3 = re.match(pattern3, line)
267 m4 = re.match(pattern4, line)
268 deps[m2.group(1)].extend(m4.group(1).split())
270 if f.close() or not deps:
271 # depmod returned an error or no deps found (very unlikely)
272 raise bb.build.FuncFailed("Failed to extract module dependencies.")
275 def get_dependencies(file, pattern, format):
276 file = file.replace(bb.data.getVar('D', d, 1) or '', '', 1)
278 if module_deps.has_key(file):
281 for i in module_deps[file]:
282 m = re.match(pattern, os.path.basename(i))
285 on = legitimize_package_name(m.group(1))
286 dependency_pkg = format % on
287 v = bb.data.getVar("PARALLEL_INSTALL_MODULES", d, 1) or "0"
289 kv = bb.data.getVar("KERNEL_MAJOR_VERSION", d, 1)
290 dependency_pkg = "%s-%s" % (dependency_pkg, kv)
291 dependencies.append(dependency_pkg)
295 def frob_metadata(file, pkg, pattern, format, basename):
297 vals = extract_modinfo(file)
299 dvar = bb.data.getVar('D', d, 1)
301 # If autoloading is requested, output /etc/modutils/<name> and append
302 # appropriate modprobe commands to the postinst
303 autoload = bb.data.getVar('module_autoload_%s' % basename, d, 1)
305 name = '%s/etc/modutils/%s' % (dvar, basename)
307 for m in autoload.split():
310 postinst = bb.data.getVar('pkg_postinst_%s' % pkg, d, 1)
312 bb.fatal("pkg_postinst_%s not defined" % pkg)
313 postinst += bb.data.getVar('autoload_postinst_fragment', d, 1) % autoload
314 bb.data.setVar('pkg_postinst_%s' % pkg, postinst, d)
316 # Write out any modconf fragment
317 modconf = bb.data.getVar('module_conf_%s' % basename, d, 1)
319 name = '%s/etc/modutils/%s.conf' % (dvar, basename)
321 f.write("%s\n" % modconf)
324 files = bb.data.getVar('FILES_%s' % pkg, d, 1)
325 files = "%s /etc/modutils/%s /etc/modutils/%s.conf" % (files, basename, basename)
326 bb.data.setVar('FILES_%s' % pkg, files, d)
328 if vals.has_key("description"):
329 old_desc = bb.data.getVar('DESCRIPTION_' + pkg, d, 1) or ""
330 bb.data.setVar('DESCRIPTION_' + pkg, old_desc + "; " + vals["description"], d)
332 rdepends_str = bb.data.getVar('RDEPENDS_' + pkg, d, 1)
334 rdepends = rdepends_str.split()
337 rdepends.extend(get_dependencies(file, pattern, format))
338 bb.data.setVar('RDEPENDS_' + pkg, ' '.join(rdepends), d)
340 module_deps = parse_depmod()
341 module_regex = '^(.*)\.k?o$'
342 module_pattern = 'kernel-module-%s'
344 postinst = bb.data.getVar('pkg_postinst_modules', d, 1)
345 postrm = bb.data.getVar('pkg_postrm_modules', d, 1)
346 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))
349 metapkg = "kernel-modules"
350 bb.data.setVar('ALLOW_EMPTY_' + metapkg, "1", d)
351 bb.data.setVar('FILES_' + metapkg, "", d)
352 blacklist = [ 'kernel-dev', 'kernel-image' ]
353 for l in module_deps.values():
355 pkg = module_pattern % legitimize_package_name(re.match(module_regex, os.path.basename(i)).group(1))
356 blacklist.append(pkg)
357 metapkg_rdepends = []
358 packages = bb.data.getVar('PACKAGES', d, 1).split()
359 for pkg in packages[1:]:
360 if not pkg in blacklist and not pkg in metapkg_rdepends:
361 metapkg_rdepends.append(pkg)
362 bb.data.setVar('RDEPENDS_' + metapkg, ' '.join(metapkg_rdepends), d)
363 bb.data.setVar('DESCRIPTION_' + metapkg, 'Kernel modules meta package', d)
364 packages.append(metapkg)
365 bb.data.setVar('PACKAGES', ' '.join(packages), d)
367 v = bb.data.getVar("PARALLEL_INSTALL_MODULES", d, 1) or "0"
369 kv = bb.data.getVar("KERNEL_MAJOR_VERSION", d, 1)
370 packages = bb.data.getVar("PACKAGES", d, 1)
371 module_re = re.compile("^kernel-module-")
372 for p in packages.split():
373 if not module_re.match(p):
375 pkg = bb.data.getVar("PKG_%s" % p, d, 1) or p
376 newpkg = "%s-%s" % (pkg, kv)
377 bb.data.setVar("PKG_%s" % p, newpkg, d)
378 rprovides = bb.data.getVar("RPROVIDES_%s" % p, d, 1)
380 rprovides = "%s %s" % (rprovides, pkg)
383 bb.data.setVar("RPROVIDES_%s" % p, rprovides, d)