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 KERNEL_LOCALVERSION ?= ""
57 # kernels are generally machine specific
58 PACKAGE_ARCH = "${MACHINE_ARCH}"
61 unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
62 oe_runmake include/linux/version.h CC="${KERNEL_CC}" LD="${KERNEL_LD}"
63 oe_runmake dep CC="${KERNEL_CC}" LD="${KERNEL_LD}"
64 oe_runmake ${KERNEL_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}"
65 if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
66 oe_runmake modules CC="${KERNEL_CC}" LD="${KERNEL_LD}"
68 oenote "no modules to compile"
73 ASMDIR=`readlink include/asm`
75 mkdir -p ${STAGING_KERNEL_DIR}/include/$ASMDIR
76 cp -fR include/$ASMDIR/* ${STAGING_KERNEL_DIR}/include/$ASMDIR/
77 ln -sf $ASMDIR ${STAGING_KERNEL_DIR}/include/asm
79 mkdir -p ${STAGING_KERNEL_DIR}/include/asm-generic
80 cp -fR include/asm-generic/* ${STAGING_KERNEL_DIR}/include/asm-generic/
82 mkdir -p ${STAGING_KERNEL_DIR}/include/linux
83 cp -fR include/linux/* ${STAGING_KERNEL_DIR}/include/linux/
85 mkdir -p ${STAGING_KERNEL_DIR}/include/net
86 cp -fR include/net/* ${STAGING_KERNEL_DIR}/include/net/
88 mkdir -p ${STAGING_KERNEL_DIR}/include/pcmcia
89 cp -fR include/pcmcia/* ${STAGING_KERNEL_DIR}/include/pcmcia/
91 if [ -d drivers/sound ]; then
92 # 2.4 alsa needs some headers from this directory
93 mkdir -p ${STAGING_KERNEL_DIR}/include/drivers/sound
94 cp -fR drivers/sound/*.h ${STAGING_KERNEL_DIR}/include/drivers/sound/
97 install -m 0644 .config ${STAGING_KERNEL_DIR}/config-${PV}${KERNEL_LOCALVERSION}
98 ln -sf config-${PV}${KERNEL_LOCALVERSION} ${STAGING_KERNEL_DIR}/.config
99 ln -sf config-${PV}${KERNEL_LOCALVERSION} ${STAGING_KERNEL_DIR}/kernel-config
100 echo "${KERNEL_VERSION}" >${STAGING_KERNEL_DIR}/kernel-abiversion
101 echo "${S}" >${STAGING_KERNEL_DIR}/kernel-source
102 echo "${KERNEL_CCSUFFIX}" >${STAGING_KERNEL_DIR}/kernel-ccsuffix
103 echo "${KERNEL_LDSUFFIX}" >${STAGING_KERNEL_DIR}/kernel-ldsuffix
104 [ -e Rules.make ] && install -m 0644 Rules.make ${STAGING_KERNEL_DIR}/
105 [ -e Makefile ] && install -m 0644 Makefile ${STAGING_KERNEL_DIR}/
107 # Check if arch/${ARCH}/Makefile exists and install it
108 if [ -e arch/${ARCH}/Makefile ]; then
109 install -d ${STAGING_KERNEL_DIR}/arch/${ARCH}
110 install -m 0644 arch/${ARCH}/Makefile ${STAGING_KERNEL_DIR}/arch/${ARCH}
112 cp -fR include/config* ${STAGING_KERNEL_DIR}/include/
113 install -m 0644 ${KERNEL_OUTPUT} ${STAGING_KERNEL_DIR}/${KERNEL_IMAGETYPE}
114 install -m 0644 System.map ${STAGING_KERNEL_DIR}/System.map-${PV}${KERNEL_LOCALVERSION}
115 [ -e Module.symvers ] && install -m 0644 Module.symvers ${STAGING_KERNEL_DIR}/
117 cp -fR scripts ${STAGING_KERNEL_DIR}/
120 kernel_do_install() {
121 unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
122 if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
123 oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install
125 oenote "no modules to install"
128 install -d ${D}/${KERNEL_IMAGEDEST}
130 install -m 0644 ${KERNEL_OUTPUT} ${D}/${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${PV}${KERNEL_LOCALVERSION}
131 install -m 0644 System.map ${D}/boot/System.map-${PV}${KERNEL_LOCALVERSION}
132 install -m 0644 .config ${D}/boot/config-${PV}${KERNEL_LOCALVERSION}
133 install -d ${D}/etc/modutils
135 # Check if scripts/genksyms exists and if so, build it
136 if [ -e scripts/genksyms/ ]; then
137 oe_runmake SUBDIRS="scripts/genksyms"
140 cp -fR scripts ${STAGING_KERNEL_DIR}/
143 kernel_do_configure() {
144 yes '' | oe_runmake oldconfig
147 pkg_postinst_kernel () {
148 update-alternatives --install /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE} ${KERNEL_IMAGETYPE} /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${PV}${KERNEL_LOCALVERSION} ${KERNEL_PRIORITY} || true
151 pkg_postrm_kernel () {
152 update-alternatives --remove ${KERNEL_IMAGETYPE} /${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${PV}${KERNEL_LOCALVERSION} || true
157 EXPORT_FUNCTIONS do_compile do_install do_stage do_configure
159 PACKAGES = "kernel kernel-image kernel-dev"
161 FILES_kernel-image = "/boot/${KERNEL_IMAGETYPE}*"
162 FILES_kernel-dev = "/boot/System.map* /boot/config*"
163 RDEPENDS_kernel = "kernel-image-${KERNEL_VERSION}"
164 PKG_kernel-image = "kernel-image-${KERNEL_VERSION}"
165 ALLOW_EMPTY_kernel = "1"
166 ALLOW_EMPTY_kernel-image = "1"
168 pkg_postinst_modules () {
170 ${HOST_PREFIX}depmod -A -b $D -F ${STAGING_KERNEL_DIR}/System.map-${PV}${KERNEL_LOCALVERSION} ${KERNEL_VERSION}
173 update-modules || true
177 pkg_postrm_modules () {
178 update-modules || true
181 autoload_postinst_fragment() {
182 if [ x"$D" = "x" ]; then
187 # autoload defaults (alphabetically sorted)
188 module_autoload_evdev = "evdev"
189 module_autoload_hidp = "hidp"
190 module_autoload_ipv6 = "ipv6"
191 module_autoload_ipsec = "ipsec"
192 module_autoload_ircomm-tty = "ircomm-tty"
193 module_autoload_rfcomm = "rfcomm"
194 module_autoload_sa1100-rtc = "sa1100-rtc"
196 # alias defaults (alphabetically sorted)
197 module_conf_af_packet = "alias net-pf-17 af_packet"
198 module_conf_bluez = "alias net-pf-31 bluez"
199 module_conf_bnep = "alias bt-proto-4 bnep"
200 module_conf_hci_uart = "alias tty-ldisc-15 hci_uart"
201 module_conf_l2cap = "alias bt-proto-0 l2cap"
202 module_conf_sco = "alias bt-proto-2 sco"
203 module_conf_rfcomm = "alias bt-proto-3 rfcomm"
205 python populate_packages_prepend () {
206 def extract_modinfo(file):
208 tmpfile = os.tmpnam()
209 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)
212 l = f.read().split("\000")
215 exp = re.compile("([^=]+)=(.*)")
221 vals[m.group(1)] = m.group(2)
227 dvar = bb.data.getVar('D', d, 1)
229 bb.error("D not defined")
232 kernelver = bb.data.getVar('PV', d, 1) + bb.data.getVar('KERNEL_LOCALVERSION', d, 1)
233 kernelver_stripped = kernelver
234 m = re.match('^(.*-hh.*)[\.\+].*$', kernelver)
236 kernelver_stripped = m.group(1)
237 path = bb.data.getVar("PATH", d, 1)
238 host_prefix = bb.data.getVar("HOST_PREFIX", d, 1) or ""
240 cmd = "PATH=\"%s\" %sdepmod -n -a -r -b %s -F %s/boot/System.map-%s %s" % (path, host_prefix, dvar, dvar, kernelver, kernelver_stripped)
241 f = os.popen(cmd, 'r')
244 pattern0 = "^(.*\.k?o):..*$"
245 pattern1 = "^(.*\.k?o):\s*(.*\.k?o)\s*$"
246 pattern2 = "^(.*\.k?o):\s*(.*\.k?o)\s*\\\$"
247 pattern3 = "^\t(.*\.k?o)\s*\\\$"
248 pattern4 = "^\t(.*\.k?o)\s*$"
252 if not re.match(pattern0, line):
255 m1 = re.match(pattern1, line)
257 deps[m1.group(1)] = m1.group(2).split()
259 m2 = re.match(pattern2, line)
261 deps[m2.group(1)] = m2.group(2).split()
263 m3 = re.match(pattern3, line)
265 deps[m2.group(1)].extend(m3.group(1).split())
267 m3 = re.match(pattern3, line)
268 m4 = re.match(pattern4, line)
269 deps[m2.group(1)].extend(m4.group(1).split())
274 def get_dependencies(file, pattern, format):
275 file = file.replace(bb.data.getVar('D', d, 1) or '', '', 1)
277 if module_deps.has_key(file):
280 for i in module_deps[file]:
281 m = re.match(pattern, os.path.basename(i))
284 on = legitimize_package_name(m.group(1))
285 dependency_pkg = format % on
286 v = bb.data.getVar("PARALLEL_INSTALL_MODULES", d, 1) or "0"
288 kv = bb.data.getVar("KERNEL_MAJOR_VERSION", d, 1)
289 dependency_pkg = "%s-%s" % (dependency_pkg, kv)
290 dependencies.append(dependency_pkg)
294 def frob_metadata(file, pkg, pattern, format, basename):
296 vals = extract_modinfo(file)
298 dvar = bb.data.getVar('D', d, 1)
300 # If autoloading is requested, output /etc/modutils/<name> and append
301 # appropriate modprobe commands to the postinst
302 autoload = bb.data.getVar('module_autoload_%s' % basename, d, 1)
304 name = '%s/etc/modutils/%s' % (dvar, basename)
306 for m in autoload.split():
309 postinst = bb.data.getVar('pkg_postinst_%s' % pkg, d, 1)
311 bb.fatal("pkg_postinst_%s not defined" % pkg)
312 postinst += bb.data.getVar('autoload_postinst_fragment', d, 1) % autoload
313 bb.data.setVar('pkg_postinst_%s' % pkg, postinst, d)
315 # Write out any modconf fragment
316 modconf = bb.data.getVar('module_conf_%s' % basename, d, 1)
318 name = '%s/etc/modutils/%s.conf' % (dvar, basename)
320 f.write("%s\n" % modconf)
323 files = bb.data.getVar('FILES_%s' % pkg, d, 1)
324 files = "%s /etc/modutils/%s /etc/modutils/%s.conf" % (files, basename, basename)
325 bb.data.setVar('FILES_%s' % pkg, files, d)
327 if vals.has_key("description"):
328 old_desc = bb.data.getVar('DESCRIPTION_' + pkg, d, 1) or ""
329 bb.data.setVar('DESCRIPTION_' + pkg, old_desc + "; " + vals["description"], d)
331 rdepends_str = bb.data.getVar('RDEPENDS_' + pkg, d, 1)
333 rdepends = rdepends_str.split()
336 rdepends.extend(get_dependencies(file, pattern, format))
337 bb.data.setVar('RDEPENDS_' + pkg, ' '.join(rdepends), d)
339 module_deps = parse_depmod()
340 module_regex = '^(.*)\.k?o$'
341 module_pattern = 'kernel-module-%s'
343 postinst = bb.data.getVar('pkg_postinst_modules', d, 1)
344 postrm = bb.data.getVar('pkg_postrm_modules', d, 1)
345 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))
348 metapkg = "kernel-modules"
349 bb.data.setVar('ALLOW_EMPTY_' + metapkg, "1", d)
350 bb.data.setVar('FILES_' + metapkg, "", d)
351 blacklist = [ 'kernel-dev', 'kernel-image' ]
352 for l in module_deps.values():
354 pkg = module_pattern % legitimize_package_name(re.match(module_regex, os.path.basename(i)).group(1))
355 blacklist.append(pkg)
356 metapkg_rdepends = []
357 packages = bb.data.getVar('PACKAGES', d, 1).split()
358 for pkg in packages[1:]:
359 if not pkg in blacklist and not pkg in metapkg_rdepends:
360 metapkg_rdepends.append(pkg)
361 bb.data.setVar('RDEPENDS_' + metapkg, ' '.join(metapkg_rdepends), d)
362 bb.data.setVar('DESCRIPTION_' + metapkg, 'Kernel modules meta package', d)
363 packages.append(metapkg)
364 bb.data.setVar('PACKAGES', ' '.join(packages), d)
366 v = bb.data.getVar("PARALLEL_INSTALL_MODULES", d, 1) or "0"
368 kv = bb.data.getVar("KERNEL_MAJOR_VERSION", d, 1)
369 packages = bb.data.getVar("PACKAGES", d, 1)
370 module_re = re.compile("^kernel-module-")
371 for p in packages.split():
372 if not module_re.match(p):
374 pkg = bb.data.getVar("PKG_%s" % p, d, 1) or p
375 newpkg = "%s-%s" % (pkg, kv)
376 bb.data.setVar("PKG_%s" % p, newpkg, d)
377 rprovides = bb.data.getVar("RPROVIDES_%s" % p, d, 1)
379 rprovides = "%s %s" % (rprovides, pkg)
382 bb.data.setVar("RPROVIDES_%s" % p, rprovides, d)