Magellan Linux

Contents of /trunk/include/kernel.sminc

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Revision 33338 - (show annotations) (download)
Wed Jul 12 20:16:24 2023 UTC (9 months, 2 weeks ago) by niro
File size: 14952 byte(s)
-disabled headers_check
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 # ${INCLUDE_KERNELVERSION_FILE}: creates a /boot/kernelversion file (deprecated)
20 # ${USE_KERNEL_SYMLINKS}: creates symlinks to unversioned kernel image files
21 # - kernel-x.x.x.x -> /boot/vmlinuz
22 # - initrd-x.x.x.x -> /boot/initrd
23 # - config-x.x.x.x -> /boot/config
24 # - System.map-x.x.x.x -> /boot/System.map
25
26 sminclude mtools
27
28 # remove me when all distris support this:
29 if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]]
30 then
31 KERNEL_ARCH_EXTENSION="-${ARCH}"
32 else
33 KERNEL_ARCH_EXTENSION=""
34 fi
35
36 if [[ ! -z ${COMPRESS_MODULES} ]]
37 then
38 case ${COMPRESS_MODULES} in
39 gzip)
40 COMPRESS_MODULES_CMD="gzip -9v"
41 SDEPEND="${SDEPEND}
42 >= app-arch/gzip-1.4"
43 ;;
44 bzip2)
45 COMPRESS_MODULES_CMD="bzip2 -9v"
46 SDEPEND="${SDEPEND}
47 >= app-arch/bzip2-1.0.6"
48 ;;
49 xz)
50 COMPRESS_MODULES_CMD="xz -9v"
51 SDEPEND="${SDEPEND}
52 >= app-arch/xz-5"
53 ;;
54 none)
55 echo "Disabled compressed kernel-modules!"
56 COMPRESS_MODULES_CMD=""
57 ;;
58 *) die "Unkown compression format '${COMPRESS_MODULES}'" ;;
59 esac
60 fi
61
62 # some sane defaults
63 : ${PCAT="sys-kernel"}
64 : ${HOMEPAGE="http://magellan-linux.de/"}
65 : ${TARBALLPVER="${PVER}"}
66 : ${SRCFILE="linux-${TARBALLPVER}.tar.xz"}
67 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
68
69 if [[ -z ${SRC_URI[*]} ]]
70 then
71 SRC_URI=(
72 http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
73 http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
74 mirror://kernel-${BRANCH}/${SRCFILE}
75 )
76 case ${KERNEL_TYPE} in
77 image|sources)
78 SRC_URI=(
79 ${SRC_URI[*]}
80 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
81 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
82 )
83 ;;
84 esac
85 fi
86
87 case ${PNAME} in
88 *-lts) _upparam="longterm" ;;
89 *) _upparam="stable" ;;
90 esac
91
92 UP2DATE="updatecmd http://www.kernel.org/ | grep -A1 -i '${_upparam}:' | sed 's/.*:\ \([0-9]\.[0-9].*\)\ [0-9].*/\1/;q'"
93
94 case ${KERNEL_TYPE} in
95 image)
96 : ${PROVIDE="virtual/kernel"}
97 : ${DEPEND=">= virtual/module-tools
98 >= sys-fs/udev-115
99 >= sys-apps/grubby-8.29-r1
100 >= virtual/initramfs-tools
101 >= virtual/initscripts"}
102 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
103 then
104 DEPEND="${DEPEND}
105 >= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
106 fi
107 SDEPEND="${SDEPEND}
108 >= sys-dev/bc-1.06
109 >= sys-dev/bison-3
110 >= sys-dev/flex-2.6"
111 : ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
112 ;;
113
114 sources)
115 : ${PROVIDE="virtual/kernel-sources"}
116 : ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
117 ;;
118
119 headers)
120 : ${PROVIDE="virtual/kernel-headers"}
121 : ${DESCRIPTION="Sanitized kernel headers for libc."}
122 ;;
123 esac
124
125 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
126 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
127
128 # special vars for mage file only
129 KPVER="${PVER}"
130 KPBUILD="${PBUILD}"
131 KBRANCH="${BRANCH}"
132 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH USE_KERNEL_SYMLINKS"
133
134 # dummy function to apply kernel patches
135 kernel_apply_patches()
136 {
137 return 0
138 }
139
140 kernel_src_prepare()
141 {
142 munpack ${SRCFILE} || die
143 mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} || die
144
145 # fix permissions
146 chown -R 0:0 ${SRCDIR} || die
147 chmod -R a+r-w+X,u+w ${SRCDIR} || die
148
149 cd ${SRCDIR}
150 kernel_apply_patches || die
151
152 # fix permissions after the patchwork
153 # gnu patch doesn't support git-style file mode
154 if [ -e tools/objtool/sync-check.sh ]
155 then
156 chmod +x tools/objtool/sync-check.sh || die
157 fi
158
159 # fixes INSTALL_PATH to /boot and EXTRAVERSION
160 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
161 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
162
163 # fix sublevel version with 3.x kernels and higher
164 local kver=$(echo ${PVER} | sed "s:\.::g")
165 if [[ ${PVER%%.*} -gt 2 ]]
166 then
167 local sublevel="$(echo ${PVER} | cut -d. -f3)"
168 sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile || die
169 fi
170 }
171
172 kernel_src_compile()
173 {
174 cd ${SRCDIR}
175
176 make mrproper || die
177
178 if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
179 then
180 # inject our kernel config
181 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
182 make ARCH=${ARCH/i*86/x86} oldconfig || die
183 fi
184
185 case ${KERNEL_TYPE} in
186 image)
187 mmake ARCH=${ARCH/i*86/x86} || die
188 ;;
189
190 # headers)
191 # make ARCH=${ARCH/i*86/x86} headers_check || die
192 # ;;
193
194 sources)
195 make clean || die
196
197 # needed to compile other programs like iptables
198 make ARCH=${ARCH/i*86/x86} prepare || die
199 # needed to cover >=2.6.14 builds
200 # but deprecated with >=2.6.21, prepare cover all targets there
201 local kver=$(echo ${PVER} | sed "s:\.::g")
202 # honor >=3.0.x; add one zero
203 if [[ ${PVER%%.*} -gt 2 ]]
204 then
205 kver="${kver}0"
206 fi
207 if [[ ${kver} < 2621 ]]
208 then
209 make ARCH=${ARCH/i*86/x86} prepare-all || die
210 fi
211 make ARCH=${ARCH/i*86/x86} scripts || die
212
213 # at least alsa-drivers needs this one ...
214 touch include/linux/autoconf.h || die
215
216 # compat symlink for 3.7.x new version.h location until everything is fixed
217 ;;
218 esac
219 }
220
221 kernel_image_src_install()
222 {
223 cd ${SRCDIR}
224
225 # needed directories
226 minstalldir /boot || die
227
228 # install modules
229 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR}/usr modules_install || die
230
231 # install kernelimage
232 if [[ -z ${KERNEL_IMAGE_PATH} ]]
233 then
234 local my_arch="${ARCH}"
235 [[ ${my_arch} = i*86 ]] && my_arch=i386
236 minstallfile arch/${my_arch}/boot/bzImage \
237 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
238 || die
239 else
240 minstallfile ${KERNEL_IMAGE_PATH} \
241 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
242 || die
243 fi
244
245 # install System.map
246 minstallfile System.map \
247 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
248 || die
249
250 # install Module.symvers in boot and /usr/src
251 minstallfile Module.symvers \
252 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
253 || die
254 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
255 minstallfile Module.symvers \
256 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
257 || die
258
259 if [[ ${INCLUDE_KERNELVERSION_FILE} = true ]]
260 then
261 MCONFIG=/boot/kernelversion
262 # install kernel description
263 mclearconfig || die
264 maddconfig "KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
265 maddconfig "KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
266 maddconfig "KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
267 maddconfig "KRNINITRD=" || die
268 fi
269
270 # install kernel-config from srcdir
271 minstallfile .config \
272 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
273 || die
274
275 # fix build symlink
276 if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
277 then
278 echo "fixing build symlink"
279 rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
280 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
281 /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
282 || die
283 fi
284
285 # and fixing source symlink
286 if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
287 then
288 echo "fixing source symlink"
289 rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
290 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
291 /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
292 || die
293 fi
294
295 # remove firmware bits if $LINUX_FIRMWARE was set
296 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
297 then
298 if [[ -d ${BINDIR}/usr/lib/firmware ]]
299 then
300 rm -rv ${BINDIR}/usr/lib/firmware
301 fi
302 fi
303
304 # compress modules if COMPRESS_MODULES_CMD was set
305 if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
306 then
307 # compress all kernel modules
308 find ${BINDIR} -name \*.ko | xargs ${COMPRESS_MODULES_CMD} || die
309 fi
310 }
311
312 kernel_headers_src_install()
313 {
314 cd ${SRCDIR}
315 make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
316
317 # clean-up unnecessary files
318 find ${BINDIR} -name .install -or -name ..install.cmd | xargs --no-run-if-empty rm -f
319 }
320
321 kernel_sources_src_install()
322 {
323 cd ${BUILDDIR}
324
325 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
326 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
327
328 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
329 minstalldir /usr/src || die
330 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
331 }
332
333 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
334 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
335 kernel_external_modules_install()
336 {
337 cd ${BUILDDIR}
338
339 local modsrc="$1"
340 local moddest="$2"
341 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
342
343 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
344 install -d ${moddir} || die
345 mv ${modsrc} ${moddir}/${moddest} || die
346 }
347
348 kernel_external_modules_tarball()
349 {
350 cd ${BUILDDIR}
351
352 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
353 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
354 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
355
356 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
357 minstalldir /usr/src || die
358 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
359 }
360
361 kernel_src_install()
362 {
363 case ${KERNEL_TYPE} in
364 image)
365 kernel_image_src_install || die
366 ;;
367
368 headers)
369 kernel_headers_src_install || die
370 ;;
371
372 sources)
373 kernel_sources_src_install || die
374 ;;
375 esac
376 }
377
378 kernel_major_version()
379 {
380 local ksrc="$@"
381 local kv
382
383 if [[ -z ${ksrc} ]]
384 then
385 kv="$(uname -r|cut -d. -f1-2)"
386 else
387 local version
388 local patchlevel
389
390 # get version from makefile
391 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
392 # get patchlevel from makefile
393 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
394 # kernelversion
395 kv="${version}.${patchlevel}"
396 fi
397
398 echo "${kv}"
399 }
400
401 mod_suffix()
402 {
403 local ksrc="$@"
404 local mod_suffix
405 local kmv
406
407 kmv=$(kernel_major_version ${ksrc})
408 if [[ ${kmv//.} -ge 26 ]]
409 then
410 mod_suffix="ko"
411 else
412 mod_suffix="o"
413 fi
414
415 echo ${mod_suffix}
416 }
417
418 kernel_image_preinstall()
419 {
420 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
421 then
422 mount /boot &> /dev/null
423 fi
424 }
425
426 kernel_image_preremove()
427 {
428 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
429 then
430 mount /boot &> /dev/null
431
432 # remove old image entry from grub
433 new-kernel-pkg -v --rminitrd --rmmoddep --remove ${KPVER}-${KBRANCH}-${KPBUILD}
434 fi
435 }
436
437 kernel_image_postinstall()
438 {
439 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
440
441 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
442 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
443 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
444
445 [ -x ${MROOT}/sbin/depmod ] &&
446 ${MROOT}/sbin/depmod -ae \
447 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
448 ${KPVER}-${KBRANCH}-${KPBUILD}
449
450 # do not run this if ${MROOT} is set !
451 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
452 then
453 new-kernel-pkg -v --mkinitrd --dracut --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
454 fi
455
456 if [[ ${USE_KERNEL_SYMLINKS} = true ]]
457 then
458 # symlink actual kernel to /boot/vmlinuz etc...
459 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
460 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
461 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
462 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
463 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
464 fi
465 }
466
467 kernel_sources_postinstall()
468 {
469 # check for linux-VERSION/include as the kernel-image installs
470 # the file Modules.symver in the linux-VERSION directory
471 if mqueryfeature "kernelsrcunpack" &&
472 [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
473 then
474 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
475 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
476 fi
477
478 if mqueryfeature "kernelsrcunpack" &&
479 [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
480 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
481 then
482 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
483 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
484 fi
485
486 # create linux symlink
487 if mqueryfeature "linuxsymlink"
488 then
489 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
490 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
491 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
492 ${MROOT}/usr/src/linux || die
493 fi
494
495 # create kernel-modules symlink
496 if mqueryfeature "linuxsymlink" &&
497 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
498 then
499 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
500 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
501 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
502 ${MROOT}/usr/src/kernel-modules || die
503 fi
504 }
505
506 export_inherits kernel src_prepare src_compile src_install
507
508 # export pre/postinstall functions depending on KERNEL_TYPE
509 case ${KERNEL_TYPE} in
510 image)
511 export_inherits kernel_image preinstall preremove postinstall
512 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall"
513 ;;
514 sources)
515 export_inherits kernel_sources postinstall
516 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
517 ;;
518 esac