Contents of /smage/trunk/include/kernel.sminc
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Revision 3581 -
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Mon Jul 9 17:44:28 2012 UTC (12 years, 3 months ago) by niro
File size: 13801 byte(s)
Mon Jul 9 17:44:28 2012 UTC (12 years, 3 months ago) by niro
File size: 13801 byte(s)
-merged with upstream
1 | # kernel global smage functions |
2 | # $Id$ |
3 | |
4 | # needed extra vars: |
5 | # ${KERNEL_TYPE}: needed, 'sources', 'headers' or 'image' |
6 | # ${BRANCH}: needed, style branch of the kernel |
7 | # ${KERNEL_CONFIG}: optional, needed if you want to override the default |
8 | # searchpath ${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD} |
9 | # |
10 | # ${PSUBVER}: optional, only needed for 2.6.x.x naming scheme |
11 | # ${EXTRAVERSION}: optinal, extra version for the kernel name |
12 | # default setting is ${PSUBVER}-${BRANCH}-${PBUILD} |
13 | # ${KERNEL_IMAGE_PATH}: override the default KERNEL_IMAGE_PATH (to build xen images for e.g.) |
14 | # ${COMPRESS_MODULES}: compresses the kernel modules with given compressor (gzip|bzip2|xz) |
15 | # ${LINUX_FIRMWARE}: remove included firmware bits if requested |
16 | # set the version here like USE_LINUX_FIRMARE="20110605" |
17 | # version "internal" keeps the bits too |
18 | # |
19 | |
20 | sminclude mtools |
21 | |
22 | # remove me when all distris support this: |
23 | if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]] |
24 | then |
25 | KERNEL_ARCH_EXTENSION="-${ARCH}" |
26 | else |
27 | KERNEL_ARCH_EXTENSION="" |
28 | fi |
29 | |
30 | if [[ ! -z ${COMPRESS_MODULES} ]] |
31 | then |
32 | case ${COMPRESS_MODULES} in |
33 | gzip) |
34 | COMPRESS_MODULES_CMD="gzip -9v" |
35 | SDEPEND="${SDEPEND} |
36 | >= app-arch/gzip-1.4" |
37 | ;; |
38 | bzip2) |
39 | COMPRESS_MODULES_CMD="bzip2 -9v" |
40 | SDEPEND="${SDEPEND} |
41 | >= app-arch/bzip2-1.0.6" |
42 | ;; |
43 | xz) |
44 | COMPRESS_MODULES_CMD="xz -9v" |
45 | SDEPEND="${SDEPEND} |
46 | >= app-arch/xz-5" |
47 | ;; |
48 | none) |
49 | echo "Disabled compressed kernel-modules!" |
50 | COMPRESS_MODULES_CMD="" |
51 | ;; |
52 | *) die "Unkown compression format '${COMPRESS_MODULES}'" ;; |
53 | esac |
54 | fi |
55 | |
56 | # some sane defaults |
57 | : ${PCAT="sys-kernel"} |
58 | : ${HOMEPAGE="http://magellan-linux.de/"} |
59 | : ${TARBALLPVER="${PVER}"} |
60 | : ${SRCFILE="linux-${TARBALLPVER}.tar.bz2"} |
61 | : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"} |
62 | |
63 | if [[ -z ${SRC_URI[*]} ]] |
64 | then |
65 | SRC_URI=( |
66 | http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE} |
67 | http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE} |
68 | mirror://kernel-${BRANCH}/${SRCFILE} |
69 | ) |
70 | case ${KERNEL_TYPE} in |
71 | image|sources) |
72 | SRC_URI=( |
73 | ${SRC_URI[*]} |
74 | mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686 |
75 | mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64 |
76 | ) |
77 | ;; |
78 | esac |
79 | fi |
80 | |
81 | case ${KERNEL_TYPE} in |
82 | image) |
83 | : ${PROVIDE="virtual/kernel"} |
84 | : ${DEPEND=">= virtual/module-tools |
85 | >= sys-fs/udev-115 |
86 | >= virtual/initramfs-tools |
87 | >= virtual/initscripts"} |
88 | if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]] |
89 | then |
90 | DEPEND="${DEPEND} |
91 | >= sys-kernel/linux-firmware-${LINUX_FIRMWARE}" |
92 | fi |
93 | : ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."} |
94 | ;; |
95 | |
96 | sources) |
97 | : ${PROVIDE="virtual/kernel-sources"} |
98 | : ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."} |
99 | ;; |
100 | |
101 | headers) |
102 | : ${PROVIDE="virtual/kernel-headers"} |
103 | : ${DESCRIPTION="Sanitized kernel headers for libc."} |
104 | ;; |
105 | esac |
106 | |
107 | EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" |
108 | KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}" |
109 | |
110 | # special vars for mage file only |
111 | KPVER="${PVER}" |
112 | KPBUILD="${PBUILD}" |
113 | KBRANCH="${BRANCH}" |
114 | SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH" |
115 | |
116 | kernel_src_prepare() |
117 | { |
118 | munpack ${SRCFILE} || die |
119 | mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} || die |
120 | |
121 | # fix permissions |
122 | chown -R 0:0 ${SRCDIR} || die |
123 | chmod -R a+r-w+X,u+w ${SRCDIR} || die |
124 | |
125 | cd ${SRCDIR} |
126 | |
127 | # fixes INSTALL_PATH to /boot and EXTRAVERSION |
128 | sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \ |
129 | -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die |
130 | |
131 | # fix sublevel version with 3.x kernels and higher |
132 | local kver=$(echo ${PVER} | sed "s:\.::g") |
133 | if [[ ${PVER%%.*} -gt 2 ]] |
134 | then |
135 | local sublevel="$(echo ${PVER} | cut -d. -f3)" |
136 | sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile || die |
137 | fi |
138 | } |
139 | |
140 | kernel_src_compile() |
141 | { |
142 | cd ${SRCDIR} |
143 | |
144 | make mrproper || die |
145 | |
146 | if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]] |
147 | then |
148 | # inject our kernel config |
149 | cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die |
150 | make ARCH=${ARCH/i*86/x86} oldconfig || die |
151 | fi |
152 | |
153 | case ${KERNEL_TYPE} in |
154 | image) |
155 | mmake ARCH=${ARCH/i*86/x86} || die |
156 | ;; |
157 | |
158 | headers) |
159 | make ARCH=${ARCH/i*86/x86} headers_check || die |
160 | ;; |
161 | |
162 | sources) |
163 | make clean || die |
164 | |
165 | # needed to compile other programs like iptables |
166 | make ARCH=${ARCH/i*86/x86} prepare || die |
167 | # needed to cover >=2.6.14 builds |
168 | # but deprecated with >=2.6.21, prepare cover all targets there |
169 | local kver=$(echo ${PVER} | sed "s:\.::g") |
170 | # honor >=3.0.x; add one zero |
171 | if [[ ${PVER%%.*} -gt 2 ]] |
172 | then |
173 | kver="${kver}0" |
174 | fi |
175 | if [[ ${kver} < 2621 ]] |
176 | then |
177 | make ARCH=${ARCH/i*86/x86} prepare-all || die |
178 | fi |
179 | make ARCH=${ARCH/i*86/x86} scripts || die |
180 | |
181 | # at least alsa-drivers needs this one ... |
182 | touch include/linux/autoconf.h || die |
183 | ;; |
184 | esac |
185 | } |
186 | |
187 | kernel_image_src_install() |
188 | { |
189 | cd ${SRCDIR} |
190 | |
191 | # needed directories |
192 | minstalldir /boot || die |
193 | |
194 | # install modules |
195 | make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR}/usr modules_install || die |
196 | |
197 | # install kernelimage |
198 | if [[ -z ${KERNEL_IMAGE_PATH} ]] |
199 | then |
200 | local my_arch="${ARCH}" |
201 | [[ ${my_arch} = i*86 ]] && my_arch=i386 |
202 | minstallfile arch/${my_arch}/boot/bzImage \ |
203 | /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \ |
204 | || die |
205 | else |
206 | minstallfile ${KERNEL_IMAGE_PATH} \ |
207 | /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \ |
208 | || die |
209 | fi |
210 | |
211 | # install System.map |
212 | minstallfile System.map \ |
213 | /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \ |
214 | || die |
215 | |
216 | # install Module.symvers in boot and /usr/src |
217 | minstallfile Module.symvers \ |
218 | /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \ |
219 | || die |
220 | minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die |
221 | minstallfile Module.symvers \ |
222 | /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \ |
223 | || die |
224 | |
225 | # install kernel description |
226 | echo " |
227 | KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} |
228 | KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} |
229 | KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} |
230 | KRNINITRD= |
231 | " > ${BINDIR}/boot/kernelversion || die |
232 | |
233 | # install kernel-config from srcdir |
234 | minstallfile .config \ |
235 | /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \ |
236 | || die |
237 | |
238 | # fix build symlink |
239 | if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ] |
240 | then |
241 | echo "fixing build symlink" |
242 | rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die |
243 | mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \ |
244 | /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \ |
245 | || die |
246 | fi |
247 | |
248 | # and fixing source symlink |
249 | if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ] |
250 | then |
251 | echo "fixing source symlink" |
252 | rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die |
253 | mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \ |
254 | /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \ |
255 | || die |
256 | fi |
257 | |
258 | # remove firmware bits if $LINUX_FIRMWARE was set |
259 | if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]] |
260 | then |
261 | if [[ -d ${BINDIR}/usr/lib/firmware ]] |
262 | then |
263 | rm -rv ${BINDIR}/usr/lib/firmware |
264 | fi |
265 | fi |
266 | |
267 | # compress modules if COMPRESS_MODULES_CMD was set |
268 | if [[ ! -z ${COMPRESS_MODULES_CMD} ]] |
269 | then |
270 | # compress all kernel modules |
271 | find ${BINDIR} -name \*.ko | xargs ${COMPRESS_MODULES_CMD} || die |
272 | fi |
273 | } |
274 | |
275 | kernel_headers_src_install() |
276 | { |
277 | cd ${SRCDIR} |
278 | make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die |
279 | |
280 | # clean-up unnecessary files |
281 | find ${BINDIR} -name .install -or -name ..install.cmd | xargs --no-run-if-empty rm -f |
282 | } |
283 | |
284 | kernel_sources_src_install() |
285 | { |
286 | cd ${BUILDDIR} |
287 | |
288 | echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... " |
289 | tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die |
290 | |
291 | echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... " |
292 | minstalldir /usr/src || die |
293 | mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die |
294 | } |
295 | |
296 | # installs module-sources path/to/SRCDIR to MODDIR/MODNAME |
297 | # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME |
298 | kernel_external_modules_install() |
299 | { |
300 | cd ${BUILDDIR} |
301 | |
302 | local modsrc="$1" |
303 | local moddest="$2" |
304 | local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}" |
305 | |
306 | echo "Installing ${modsrc} to ${moddir}/${moddest} ..." |
307 | install -d ${moddir} || die |
308 | mv ${modsrc} ${moddir}/${moddest} || die |
309 | } |
310 | |
311 | kernel_external_modules_tarball() |
312 | { |
313 | cd ${BUILDDIR} |
314 | |
315 | echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... " |
316 | tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \ |
317 | kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die |
318 | |
319 | echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... " |
320 | minstalldir /usr/src || die |
321 | mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die |
322 | } |
323 | |
324 | kernel_src_install() |
325 | { |
326 | case ${KERNEL_TYPE} in |
327 | image) |
328 | kernel_image_src_install || die |
329 | ;; |
330 | |
331 | headers) |
332 | kernel_headers_src_install || die |
333 | ;; |
334 | |
335 | sources) |
336 | kernel_sources_src_install || die |
337 | ;; |
338 | esac |
339 | } |
340 | |
341 | kernel_major_version() |
342 | { |
343 | local ksrc="$@" |
344 | local kv |
345 | |
346 | if [[ -z ${ksrc} ]] |
347 | then |
348 | kv="$(uname -r|cut -d. -f1-2)" |
349 | else |
350 | local version |
351 | local patchlevel |
352 | |
353 | # get version from makefile |
354 | version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g") |
355 | # get patchlevel from makefile |
356 | patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g") |
357 | # kernelversion |
358 | kv="${version}.${patchlevel}" |
359 | fi |
360 | |
361 | echo "${kv}" |
362 | } |
363 | |
364 | mod_suffix() |
365 | { |
366 | local ksrc="$@" |
367 | local mod_suffix |
368 | local kmv |
369 | |
370 | kmv=$(kernel_major_version ${ksrc}) |
371 | if [[ ${kmv//.} -ge 26 ]] |
372 | then |
373 | mod_suffix="ko" |
374 | else |
375 | mod_suffix="o" |
376 | fi |
377 | |
378 | echo ${mod_suffix} |
379 | } |
380 | |
381 | kernel_image_preinstall() |
382 | { |
383 | if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]] |
384 | then |
385 | mount /boot &> /dev/null |
386 | fi |
387 | } |
388 | |
389 | kernel_image_preremove() |
390 | { |
391 | if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]] |
392 | then |
393 | mount /boot &> /dev/null |
394 | fi |
395 | } |
396 | |
397 | kernel_image_postremove() |
398 | { |
399 | if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]] |
400 | then |
401 | # remove old image entry from grub |
402 | new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD} |
403 | fi |
404 | } |
405 | |
406 | kernel_image_postinstall() |
407 | { |
408 | [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys |
409 | |
410 | # fixes a small glitch in <=mage-0.3.6-r15 with symlinks |
411 | [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \ |
412 | rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} |
413 | |
414 | [ -x ${MROOT}/sbin/depmod ] && |
415 | ${MROOT}/sbin/depmod -ae \ |
416 | -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \ |
417 | ${KPVER}-${KBRANCH}-${KPBUILD} |
418 | |
419 | # do not run this if ${MROOT} is set ! |
420 | if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]] |
421 | then |
422 | new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD} |
423 | fi |
424 | |
425 | # symlink actual kernel to /boot/vmlinuz etc... |
426 | ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz |
427 | ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map |
428 | ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config |
429 | [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] && |
430 | ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd |
431 | } |
432 | |
433 | kernel_sources_postinstall() |
434 | { |
435 | # check for linux-VERSION/include as the kernel-image installs |
436 | # the file Modules.symver in the linux-VERSION directory |
437 | if mqueryfeature "kernelsrcunpack" && |
438 | [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ] |
439 | then |
440 | echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... " |
441 | tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src |
442 | fi |
443 | |
444 | if mqueryfeature "kernelsrcunpack" && |
445 | [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] && |
446 | [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ] |
447 | then |
448 | echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... " |
449 | tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src |
450 | fi |
451 | |
452 | # create linux symlink |
453 | if mqueryfeature "linuxsymlink" |
454 | then |
455 | echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... " |
456 | [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src |
457 | ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \ |
458 | ${MROOT}/usr/src/linux || die |
459 | fi |
460 | |
461 | # create kernel-modules symlink |
462 | if mqueryfeature "linuxsymlink" && |
463 | [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] |
464 | then |
465 | echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... " |
466 | [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src |
467 | ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \ |
468 | ${MROOT}/usr/src/kernel-modules || die |
469 | fi |
470 | } |
471 | |
472 | export_inherits kernel src_prepare src_compile src_install |
473 | |
474 | # export pre/postinstall functions depending on KERNEL_TYPE |
475 | case ${KERNEL_TYPE} in |
476 | image) |
477 | export_inherits kernel_image preinstall preremove postinstall postremove |
478 | SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove" |
479 | ;; |
480 | sources) |
481 | export_inherits kernel_sources postinstall |
482 | SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall" |
483 | ;; |
484 | esac |