Annotation of /trunk/mkinitrd-magellan/mkinitrd.in
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Revision 894 -
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Wed Aug 5 16:24:23 2009 UTC (15 years, 3 months ago) by niro
File size: 21540 byte(s)
Wed Aug 5 16:24:23 2009 UTC (15 years, 3 months ago) by niro
File size: 21540 byte(s)
-install all busybox applets -use mdev for /dev management -use inmod from busybox -fixed a small typo regarding v86d installation -set DOSATA and DOPATA as default settings -support all do/no commandline combinations
1 | niro | 564 | #!/bin/bash |
2 | niro | 738 | # $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd-magellan/mkinitrd.in,v 1.4 2008-06-11 22:11:40 niro Exp $ |
3 | niro | 564 | |
4 | # mkinitrd | ||
5 | # | ||
6 | # Copyright 2005 Red Hat, Inc. | ||
7 | # | ||
8 | # Written by Erik Troan <ewt@redhat.com> | ||
9 | # | ||
10 | # Contributors: | ||
11 | # Elliot Lee <sopwith@cuc.edu> | ||
12 | # Miguel de Icaza <miguel@nuclecu.unam.mx> | ||
13 | # Christian 'Dr. Disk' Hechelmann <drdisk@ds9.au.s.shuttle.de> | ||
14 | # Michael K. Johnson <johnsonm@redhat.com> | ||
15 | # Pierre Habraken <Pierre.Habraken@ujf-grenoble.fr> | ||
16 | # Jakub Jelinek <jakub@redhat.com> | ||
17 | # Carlo Arenas Belon (carenas@chasqui.lared.net.pe> | ||
18 | # Keith Owens <kaos@ocs.com.au> | ||
19 | # Bernhard Rosenkraenzer <bero@redhat.com> | ||
20 | # Matt Wilson <msw@redhat.com> | ||
21 | # Trond Eivind Glomsrød <teg@redhat.com> | ||
22 | # Jeremy Katz <katzj@redhat.com> | ||
23 | # Preston Brown <pbrown@redhat.com> | ||
24 | # Bill Nottingham <notting@redhat.com> | ||
25 | # Guillaume Cottenceau <gc@mandrakesoft.com> | ||
26 | # Peter Jones <pjones@redhat.com> | ||
27 | |||
28 | # heavily modified for magellan-linux by Niels Rogalla <niro@magellan-linux.de> | ||
29 | |||
30 | umask 0022 | ||
31 | export MALLOC_PERTURB_=204 | ||
32 | |||
33 | PATH=/sbin:/usr/sbin:/bin:/usr/bin:$PATH | ||
34 | export PATH | ||
35 | |||
36 | VERSION=%VERSIONTAG% | ||
37 | |||
38 | PROBE="yes" | ||
39 | MODULES="" | ||
40 | PREMODS="" | ||
41 | NOSTRIP=false | ||
42 | |||
43 | [ -e /etc/conf.d/mkinitrd ] && . /etc/conf.d/mkinitrd | ||
44 | |||
45 | CONFMODS="${MODULES}" | ||
46 | MODULES="" | ||
47 | |||
48 | compress=1 | ||
49 | allowmissing="" | ||
50 | target="" | ||
51 | kernel="" | ||
52 | force="" | ||
53 | verbose="" | ||
54 | img_vers="" | ||
55 | builtins="" | ||
56 | modulefile=/etc/modules.conf | ||
57 | rc=0 | ||
58 | |||
59 | IMAGESIZE=4000 | ||
60 | PRESCSIMODS="sd_mod" | ||
61 | fstab="/etc/fstab" | ||
62 | |||
63 | vg_list="" | ||
64 | |||
65 | die() { echo "Error: $@"; exit 1; } | ||
66 | add_initrd() { echo "$@" >> ${DEST}/init || die; } | ||
67 | |||
68 | DEST="$(mktemp -d)" | ||
69 | IMAGE="$(mktemp)" | ||
70 | |||
71 | usage() | ||
72 | { | ||
73 | echo "usage: $(basename $0) [--version] [--help] [-v] [-f] [--preload <module>]" | ||
74 | echo " [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]" | ||
75 | echo " [--image-version] [--force-scsi-probe | --omit-raid-modules]" | ||
76 | echo " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]" | ||
77 | echo " [--builtin=<module>] [--initramfs | --loopback] [--no-strip]" | ||
78 | echo " [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>" | ||
79 | echo | ||
80 | echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)" | ||
81 | |||
82 | exit 0 | ||
83 | } | ||
84 | |||
85 | moduledep() | ||
86 | { | ||
87 | if [ ! -f "/lib/modules/${kernel}/modules.dep" ] | ||
88 | then | ||
89 | die "No dep file found for kernel ${kernel}" | ||
90 | fi | ||
91 | |||
92 | echo "Looking for deps of module $1" | ||
93 | deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \ | ||
94 | function modname(filename) { match(filename, /\/([^\/]+)\.k?o:?$/, ret); return ret[1] } \ | ||
95 | function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \ | ||
96 | niro | 845 | /^.*kernel/ { show(); \ |
97 | niro | 564 | orig=modname($1); dep=""; \ |
98 | if ($2) { for (i = 2; i <= NF; i++) { dep=sprintf("%s %s", dep, modname($i)); } } } \ | ||
99 | /^ / { dep=sprintf("%s %s", dep, modname($1)); } \ | ||
100 | END { show(); exit(rc) }' /lib/modules/${kernel}/modules.dep $1) | ||
101 | [ -n "${deps}" ] && echo ":${deps}" || echo | ||
102 | } | ||
103 | |||
104 | findone() { /usr/bin/find "$@" | /bin/awk '{ print $1; exit; }'; } | ||
105 | findall() { /usr/bin/find "$@"; } | ||
106 | |||
107 | findmodule() | ||
108 | { | ||
109 | skiperrors="" | ||
110 | |||
111 | if [[ $1 = --skiperrors ]] | ||
112 | then | ||
113 | skiperrors=--skiperrors | ||
114 | shift | ||
115 | fi | ||
116 | |||
117 | local modName=$1 | ||
118 | |||
119 | if [ "${modName}" = "off" -o "${modName}" = "null" ] | ||
120 | then | ||
121 | return | ||
122 | fi | ||
123 | |||
124 | if [ $(echo ${modName} | cut -b1) = "-" ] | ||
125 | then | ||
126 | skiperrors=--skiperrors | ||
127 | modName=$(echo ${modName} | cut -b2-) | ||
128 | fi | ||
129 | |||
130 | case "${MODULES} " in | ||
131 | *"/${modName}.ko "*) return ;; | ||
132 | esac | ||
133 | |||
134 | if echo ${builtins} | egrep -q '(^| )'${modName}'( |$)' | ||
135 | then | ||
136 | echo "module ${modName} assumed to be built in" | ||
137 | return | ||
138 | fi | ||
139 | |||
140 | # special cases | ||
141 | if [[ ${modName} = i2o_block ]] | ||
142 | then | ||
143 | findmodule i2o_core | ||
144 | findmodule -i2o_pci | ||
145 | modName="i2o_block" | ||
146 | elif [[ ${modName} = ppa ]] | ||
147 | then | ||
148 | findmodule parport | ||
149 | findmodule parport_pc | ||
150 | modName="ppa" | ||
151 | elif [[ ${modName} = sbp2 ]] | ||
152 | then | ||
153 | findmodule ieee1394 | ||
154 | findmodule ohci1394 | ||
155 | modName="sbp2" | ||
156 | else | ||
157 | moduledep ${modName} | ||
158 | for i in ${deps} | ||
159 | do | ||
160 | findmodule ${i} | ||
161 | done | ||
162 | fi | ||
163 | |||
164 | for modExt in o.gz o ko | ||
165 | do | ||
166 | for modDir in /lib/modules/${kernel}/updates /lib/modules/${kernel} | ||
167 | do | ||
168 | if [ -d ${modDir} ] | ||
169 | then | ||
170 | fmPath=$(findone ${modDir} -name ${modName}.${modExt}) | ||
171 | if [ -f "${fmPath}" ] | ||
172 | then | ||
173 | break 2 | ||
174 | fi | ||
175 | fi | ||
176 | done | ||
177 | done | ||
178 | |||
179 | if [ ! -f ${fmPath} ] | ||
180 | then | ||
181 | if [ -n "${skiperrors}" ] | ||
182 | then | ||
183 | return | ||
184 | fi | ||
185 | |||
186 | # ignore the absence of the scsi modules | ||
187 | for n in ${PRESCSIMODS} | ||
188 | do | ||
189 | if [[ ${n} = ${modName} ]] | ||
190 | then | ||
191 | return | ||
192 | fi | ||
193 | done | ||
194 | |||
195 | if [ -n "${allowmissing}" ] | ||
196 | then | ||
197 | echo "WARNING: No module ${modName} found for kernel ${kernel}, continuing anyway" | ||
198 | return | ||
199 | fi | ||
200 | |||
201 | die "No module ${modName} found for kernel ${kernel}, aborting." | ||
202 | fi | ||
203 | |||
204 | # only need to add each module once | ||
205 | MODULES="${MODULES} ${fmPath}" | ||
206 | } | ||
207 | |||
208 | inst() | ||
209 | { | ||
210 | if [ "$#" != "2" ] | ||
211 | then | ||
212 | echo "usage: inst <file> <destination>" | ||
213 | return | ||
214 | fi | ||
215 | echo "$1 -> $2" | ||
216 | cp $1 $2 | ||
217 | } | ||
218 | |||
219 | findstoragedriver() | ||
220 | { | ||
221 | for device in $@ | ||
222 | do | ||
223 | case " ${handledevices} " in | ||
224 | *" ${device} "*) continue ;; | ||
225 | *) handleddevices="${handleddevices} ${device}" ;; | ||
226 | esac | ||
227 | |||
228 | if [[ "${device}" =~ "md[0-9]+" ]] | ||
229 | then | ||
230 | echo "Found RAID component ${device}" | ||
231 | handleraid "${device}" | ||
232 | continue | ||
233 | fi | ||
234 | echo "Looking for driver for device ${device}" | ||
235 | sysfs=$(findone /sys/block -name ${device} -type d) | ||
236 | [ -z "${sysfs}" ] && return | ||
237 | pushd ${sysfs} >/dev/null 2>&1 | ||
238 | while [ ! -L device ] | ||
239 | do | ||
240 | [[ ${PWD} = /sys ]] && continue 2 | ||
241 | cd .. | ||
242 | done | ||
243 | cd $(readlink ./device) | ||
244 | while [ ! -f modalias ] | ||
245 | do | ||
246 | [[ ${PWD} = /sys/devices ]] && continue 2 | ||
247 | cd .. | ||
248 | done | ||
249 | modalias=$(cat modalias) | ||
250 | for driver in $(modprobe --set-version ${kernel} --show-depends ${modalias} 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }') | ||
251 | do | ||
252 | findmodule ${driver%%.ko} | ||
253 | done | ||
254 | popd >/dev/null 2>&1 | ||
255 | done | ||
256 | } | ||
257 | |||
258 | handleraid() | ||
259 | { | ||
260 | local start=0 | ||
261 | |||
262 | if [ -n "${noraid}" -o ! -f /proc/mdstat ] | ||
263 | then | ||
264 | return 0 | ||
265 | fi | ||
266 | |||
267 | levels=$(grep "^$1[ ]*:" /proc/mdstat | \ | ||
268 | awk '{ print $4 }') | ||
269 | devs=$(grep "^$1[ ]*:" /proc/mdstat | \ | ||
270 | awk '{ print gensub("\\[[0-9]*\\]","","g",gensub("^md.*raid[0-9]*","","1")) }') | ||
271 | |||
272 | for level in ${levels} | ||
273 | do | ||
274 | case ${level} in | ||
275 | linear) | ||
276 | findmodule linear | ||
277 | start=1 | ||
278 | ;; | ||
279 | multipath) | ||
280 | findmodule multipath | ||
281 | start=1 | ||
282 | ;; | ||
283 | raid[01456]) | ||
284 | findmodule ${level} | ||
285 | start=1 | ||
286 | ;; | ||
287 | *) | ||
288 | error "raid level ${level} (in /proc/mdstat) not recognized" | ||
289 | ;; | ||
290 | esac | ||
291 | done | ||
292 | findstoragedriver ${devs} | ||
293 | if [[ ${start} = 1 ]] | ||
294 | then | ||
295 | raiddevices="${raiddevices} $1" | ||
296 | fi | ||
297 | return ${start} | ||
298 | } | ||
299 | |||
300 | handlelvordev() | ||
301 | { | ||
302 | local vg=$(lvs --noheadings -o vg_name $1 2>/dev/null) | ||
303 | if [ -n "${vg}" ] | ||
304 | then | ||
305 | vg=$(echo ${vg}) # strip whitespace | ||
306 | case " ${vg_list} " in | ||
307 | *" ${vg} "*) | ||
308 | ;; | ||
309 | *) | ||
310 | vg_list="${vg_list} ${vg}" | ||
311 | for device in $(vgdisplay -v ${vg} 2>/dev/null | sed -n 's/PV Name//p') | ||
312 | do | ||
313 | findstoragedriver ${device##/dev/} | ||
314 | done | ||
315 | ;; | ||
316 | esac | ||
317 | else | ||
318 | findstoragedriver ${1##/dev/} | ||
319 | fi | ||
320 | } | ||
321 | |||
322 | # need r00t privs | ||
323 | [[ $(id -u) != 0 ]] && die "you must be r00t." | ||
324 | |||
325 | while [ $# -gt 0 ]; do | ||
326 | case $1 in | ||
327 | --fstab*) | ||
328 | if echo $1 | grep -q '=' ; then | ||
329 | fstab=$(echo $1 | sed 's/^--fstab=//') | ||
330 | else | ||
331 | fstab=$2 | ||
332 | shift | ||
333 | fi | ||
334 | ;; | ||
335 | |||
336 | --with-usb) withusb=yes ;; | ||
337 | |||
338 | --with*) | ||
339 | if echo $1 | grep -q '=' ; then | ||
340 | modname=$(echo $1 | sed 's/^--with=//') | ||
341 | else | ||
342 | modname=$2 | ||
343 | shift | ||
344 | fi | ||
345 | basicmodules="${basicmodules} ${modname}" | ||
346 | ;; | ||
347 | |||
348 | --builtin*) | ||
349 | if echo $1 | grep -q '=' ; then | ||
350 | modname=$(echo $1 | sed 's/^--builtin=//') | ||
351 | else | ||
352 | modname=$2 | ||
353 | shift | ||
354 | fi | ||
355 | builtins="${builtins} ${modname}" | ||
356 | ;; | ||
357 | |||
358 | --version) | ||
359 | echo "mkinitrd: version ${VERSION}" | ||
360 | exit 0 | ||
361 | ;; | ||
362 | |||
363 | -v) verbose=-v ;; | ||
364 | --nocompress) compress="" ;; | ||
365 | --ifneeded) | ||
366 | # legacy | ||
367 | ;; | ||
368 | -f) force=1 ;; | ||
369 | |||
370 | --preload*) | ||
371 | if echo $1 | grep -q '=' ; then | ||
372 | modname=$(echo $1 | sed 's/^--preload=//') | ||
373 | else | ||
374 | modname=$2 | ||
375 | shift | ||
376 | fi | ||
377 | PREMODS="${PREMODS} ${modname}" | ||
378 | ;; | ||
379 | |||
380 | --force-scsi-probe) forcescsi=1 ;; | ||
381 | |||
382 | --omit-scsi-modules) | ||
383 | PRESCSIMODS="" | ||
384 | noscsi=1 | ||
385 | ;; | ||
386 | --force-raid-probe) forceraid=1 ;; | ||
387 | --omit-raid-modules) noraid=1 ;; | ||
388 | --force-lvm-probe) forcelvm=1 ;; | ||
389 | --omit-lvm-modules) nolvm=1 ;; | ||
390 | --force-ide-probe) forceide=1 ;; | ||
391 | --image-version) img_vers=yes ;; | ||
392 | --allow-missing) allowmissing=yes ;; | ||
393 | --noresume) noresume=1 ;; | ||
394 | --help) usage -n ;; | ||
395 | --initramfs) IMAGE_TYPE=initramfs ;; | ||
396 | --loopback) IMAGE_TYPE=loopback ;; | ||
397 | --no-strip) NOSTRIP=true ;; | ||
398 | *) | ||
399 | if [ -z "${target}" ] | ||
400 | then | ||
401 | target=$1 | ||
402 | elif [ -z "${kernel}" ] | ||
403 | then | ||
404 | kernel=$1 | ||
405 | else | ||
406 | usage | ||
407 | fi | ||
408 | ;; | ||
409 | esac | ||
410 | |||
411 | shift | ||
412 | done | ||
413 | |||
414 | # enforce initramfs method as default | ||
415 | [[ -z ${IMAGE_TYPE} ]] && IMAGE_TYPE=initramfs | ||
416 | |||
417 | if [ -z "${target}" -o -z "${kernel}" ] | ||
418 | then | ||
419 | usage | ||
420 | fi | ||
421 | |||
422 | if [ -n "${img_vers}" ] | ||
423 | then | ||
424 | target="${target}-${kernel}" | ||
425 | fi | ||
426 | |||
427 | if [ -z "${force}" -a -f ${target} ] | ||
428 | then | ||
429 | die "${target} already exists." | ||
430 | fi | ||
431 | |||
432 | if [ -n "${forcescsi}" -a -n "${noscsi}" ] | ||
433 | then | ||
434 | die "Can't both force scsi probe and omit scsi modules" | ||
435 | fi | ||
436 | |||
437 | if [ -n "${forceraid}" -a -n "${noraid}" ] | ||
438 | then | ||
439 | die "Can't both force raid probe and omit raid modules" | ||
440 | fi | ||
441 | |||
442 | if [ -n "${forcelvm}" -a -n "${nolvm}" ] | ||
443 | then | ||
444 | die "Can't both force LVM probe and omit LVM modules" | ||
445 | fi | ||
446 | |||
447 | if [ ! -d /lib/modules/${kernel} ] | ||
448 | then | ||
449 | die "No modules available for kernel '${kernel}'." | ||
450 | fi | ||
451 | |||
452 | ############################## | ||
453 | ####### get modules ########## | ||
454 | |||
455 | echo "Creating ${IMAGE_TYPE} initrd image" | ||
456 | modulefile=/etc/modprobe.conf | ||
457 | |||
458 | for n in ${PREMODS} | ||
459 | do | ||
460 | findmodule ${n} | ||
461 | done | ||
462 | |||
463 | needusb="" | ||
464 | if [ -n "${withusb}" -a "x${PROBE}" == "xyes" ] | ||
465 | then | ||
466 | # If / or /boot is on a USB device include the driver. With root by | ||
467 | # label we could still get some odd behaviors | ||
468 | for fs in / /boot | ||
469 | do | ||
470 | esc=$(echo ${fs} | sed 's,/,\\/,g') | ||
471 | dev=$(mount | awk "/ on ${esc} / { print \$1 }" | sed 's/[0-9]*$//' | cut -d/ -f3) | ||
472 | if [ "$(echo ${dev} | cut -c1-2)" = sd ] | ||
473 | then | ||
474 | if [ $(which kudzu 2>/dev/null) ] | ||
475 | then | ||
476 | host=$(kudzu --probe -b scsi | | ||
477 | gawk '/^device: '${dev}'/,/^host:/ { if (/^host/) { print $2; exit; } }') | ||
478 | if [ -d /proc/scsi/usb-storage-${host} -o -f /proc/scsi/usb-storage/${host} ] | ||
479 | then | ||
480 | needusb=1 | ||
481 | fi | ||
482 | fi | ||
483 | fi | ||
484 | done | ||
485 | fi | ||
486 | |||
487 | if [ -n "${needusb}" -a "x${PROBE}" == "xyes" ] | ||
488 | then | ||
489 | drivers=$(awk '/^alias[[:space:]]+usb-controller[0-9]* / { print $3}' < ${modulefile}) | ||
490 | if [ -n "${drivers}" ] | ||
491 | then | ||
492 | for driver in ${drivers} | ||
493 | do | ||
494 | findmodule ${driver} | ||
495 | done | ||
496 | findmodule scsi_mod | ||
497 | findmodule sd_mod | ||
498 | findmodule usb-storage | ||
499 | fi | ||
500 | fi | ||
501 | |||
502 | if [ -n "${forcescsi}" -o -z "${noscsi}" -a "x${PROBE}" == "xyes" ] | ||
503 | then | ||
504 | if [ ! -f ${modulefile} ] | ||
505 | then | ||
506 | modulefile=/etc/conf.modules | ||
507 | fi | ||
508 | |||
509 | if [ -f ${modulefile} ] | ||
510 | then | ||
511 | scsimodules=$(grep "alias[[:space:]]\+scsi_hostadapter" ${modulefile} | grep -v '^[ ]*#' | LC_ALL=C sort -u | awk '{ print $3 }') | ||
512 | |||
513 | if [ -n "${scsimodules}" ] | ||
514 | then | ||
515 | for n in ${PRESCSIMODS} | ||
516 | do | ||
517 | findmodule ${n} | ||
518 | done | ||
519 | |||
520 | for n in ${scsimodules} | ||
521 | do | ||
522 | # for now allow scsi modules to come from anywhere. There are some | ||
523 | # RAID controllers with drivers in block/ | ||
524 | findmodule ${n} | ||
525 | done | ||
526 | fi | ||
527 | fi | ||
528 | fi | ||
529 | |||
530 | # If we have ide devices and module ide, do the right thing | ||
531 | ide=/proc/ide/ide* | ||
532 | if [ -n "${forceide}" -o -n "${ide}" -a "x${PROBE}" == "xyes" ] | ||
533 | then | ||
534 | findmodule -ide-disk | ||
535 | fi | ||
536 | |||
537 | # If we have dasd devices, include the necessary modules (S/390) | ||
538 | if [ "x${PROBE}" == "xyes" -a -d /proc/dasd ] | ||
539 | then | ||
540 | findmodule -dasd_mod | ||
541 | findmodule -dasd_eckd_mod | ||
542 | findmodule -dasd_fba_mod | ||
543 | fi | ||
544 | |||
545 | if [ "x${PROBE}" == "xyes" ] | ||
546 | then | ||
547 | # check to see if we need to set up a loopback filesystem | ||
548 | rootdev=$(awk '/^[ \t]*[^#]/ { if ($2 == "/") { print $1; }}' ${fstab}) | ||
549 | # check if it's root by label | ||
550 | if echo ${rootdev} | cut -c1-6 | grep -q "LABEL=" | ||
551 | then | ||
552 | majmin=$(stat -c "%t:%T" /dev/root) | ||
553 | if [ -n "${majmin}" ] | ||
554 | then | ||
555 | dev=$(findall /sys/block -name dev | while read device ; do \ | ||
556 | echo "${majmin}" | cmp -s ${device} && echo ${device} ; done \ | ||
557 | | sed -e 's,.*/\([^/]\+\)/dev,\1,' ) | ||
558 | if [ -n "${dev}" ]; then | ||
559 | echo "Found root device ${dev} for ${rootdev}" | ||
560 | rootdev=${dev} | ||
561 | fi | ||
562 | fi | ||
563 | fi | ||
564 | if echo ${rootdev} | cut -d/ -f3 | grep -q loop | ||
565 | then | ||
566 | key="^# $(echo ${rootdev} | cut -d/ -f3 | tr '[a-z]' '[A-Z]'):" | ||
567 | if ! grep "${key}" ${fstab} >> /dev/null | ||
568 | then | ||
569 | echo "The root filesystem is on a ${rootdev}, but there is no magic entry in ${fstab}" | ||
570 | echo "for this device. Consult the mkinitrd man page for more information" | ||
571 | echo "loopback root." | ||
572 | exit 1 | ||
573 | fi | ||
574 | |||
575 | line=$(grep "${key}" ${fstab}) | ||
576 | loopDev=$(echo ${line} | awk '{print $3}') | ||
577 | loopFs=$(echo ${line} | awk '{print $4}') | ||
578 | loopFile=$(echo ${line} | awk '{print $5}') | ||
579 | |||
580 | basicmodules="${basicmodules} -loop" | ||
581 | if [ "${loopFs}" = "vfat" -o "${loopFs}" = "msdos" ] | ||
582 | then | ||
583 | basicmodules="${basicmodules} -fat" | ||
584 | fi | ||
585 | basicmodules="${basicmodules} -${loopFs}" | ||
586 | # check if the root fs is on a logical volume | ||
587 | # this check must be last | ||
588 | else | ||
589 | handlelvordev ${rootdev} | ||
590 | fi | ||
591 | |||
592 | rootfs=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $3; }}' ${fstab}) | ||
593 | rootopts=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $4; }}' ${fstab}\ | ||
594 | | sed -e 's/^r[ow],//' -e 's/,r[ow],$//' -e 's/,r[ow],/,/' \ | ||
595 | -e 's/^r[ow]$/defaults/' -e 's/$/,ro/') | ||
596 | |||
597 | # in case the root filesystem is modular | ||
598 | findmodule -${rootfs} | ||
599 | |||
600 | # find the first swap dev which would get used for swsusp | ||
601 | swsuspdev=$(awk '/^[ \t]*[^#]/ { if ($3 == "swap") { print $1; }}' ${fstab} \ | ||
602 | | head -n 1) | ||
603 | if ! echo ${swsuspdev} | cut -c1-6 | grep -q "LABEL=" | ||
604 | then | ||
605 | handlelvordev ${swsupdev} | ||
606 | fi | ||
607 | fi | ||
608 | |||
609 | # If we use LVM or dm-based raid, include dm-mod | ||
610 | # XXX: dm not really supported yet. | ||
611 | testdm="" | ||
612 | [ -n "${vg_list}" ] && testdm="yes" | ||
613 | [ -n "${forceraid}" -o -n "${forcelvm}" ] && testdm="yes" | ||
614 | [ "x${PROBE}" == "xyes" -a \ | ||
615 | -n "$(test -z \"${nolvm}\" -o -z \"${noraid}\")" ] && testdm="yes" | ||
616 | |||
617 | if [ -n "${testdm}" ] | ||
618 | then | ||
619 | if [ -x /sbin/dmsetup -a -e /dev/mapper/control ] | ||
620 | then | ||
621 | dmout=$(/sbin/dmsetup ls 2>/dev/null) | ||
622 | if [ "${dmout}" != "No devices found" -a "${dmout}" != "" ] | ||
623 | then | ||
624 | findmodule -dm-mod | ||
625 | |||
626 | # DM requires all of these to be there in case someone used the | ||
627 | # feature. broken. (#132001) | ||
628 | findmodule -dm-mirror | ||
629 | findmodule -dm-zero | ||
630 | findmodule -dm-snapshot | ||
631 | fi | ||
632 | fi | ||
633 | fi | ||
634 | |||
635 | for n in ${basicmodules} | ||
636 | do | ||
637 | findmodule ${n} | ||
638 | done | ||
639 | |||
640 | for n in ${CONFMODS} | ||
641 | do | ||
642 | findmodule ${n} | ||
643 | done | ||
644 | |||
645 | echo "Using modules:${MODULES}" | ||
646 | |||
647 | ####### eof modules ########## | ||
648 | ############################## | ||
649 | |||
650 | |||
651 | # create basic filesystem layout | ||
652 | niro | 894 | install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot,usr/bin,usr/sbin} || die |
653 | niro | 564 | |
654 | # install busybox | ||
655 | echo "$(which busybox.mkinitrd)" | ||
656 | install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die | ||
657 | for i in '[' ash basename cat cut clear cp dirname echo env false find \ | ||
658 | grep gunzip gzip ln ls loadkmap mkdir mknod more mount mv \ | ||
659 | ps pwd rm rmdir sh sleep test touch true umount uname \ | ||
660 | xargs yes chmod chown | ||
661 | do | ||
662 | # use soft links from now on; | ||
663 | # hardlinks in initramfs apears to be broken on newer kernels | ||
664 | # -> "request module: runaway loop modprobe binfmt-0000" | ||
665 | # see: http://www.gossamer-threads.com/lists/linux/kernel/728042 | ||
666 | ln -s /bin/busybox ${DEST}/bin/${i} || die "${i}" | ||
667 | done | ||
668 | |||
669 | # sbin related | ||
670 | for i in chroot init losetup modprobe pivot_root | ||
671 | do | ||
672 | niro | 894 | ln -s ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}" |
673 | niro | 564 | done |
674 | |||
675 | # install run-init | ||
676 | echo "$(which run-init.mkinitrd)" | ||
677 | install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die | ||
678 | |||
679 | # install insmod.static | ||
680 | niro | 894 | #echo "$(which insmod.static)" |
681 | #install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die | ||
682 | niro | 564 | |
683 | niro | 703 | # install v86d for uvesafb support if installed |
684 | if which v86d &> /dev/null | ||
685 | then | ||
686 | niro | 894 | echo "$(which v86d)" |
687 | niro | 703 | install -m0755 $(which v86d) ${DEST}/sbin/v86d || die |
688 | fi | ||
689 | |||
690 | niro | 564 | # install lvm |
691 | if [ -n "${vg_list}" ] | ||
692 | then | ||
693 | inst /sbin/lvm.static "${DEST}/sbin/lvm" | ||
694 | if [ -f /etc/lvm/lvm.conf ] | ||
695 | then | ||
696 | cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/ | ||
697 | fi | ||
698 | fi | ||
699 | |||
700 | # create some needed device nodes | ||
701 | mkdir ${DEST}/dev/pts || die | ||
702 | mkdir ${DEST}/dev/shm || die | ||
703 | mkdir ${DEST}/dev/mapper || die | ||
704 | mkdir ${DEST}/dev/misc || die | ||
705 | mkdir ${DEST}/dev/fb || die | ||
706 | mkdir ${DEST}/dev/vc || die | ||
707 | mknod ${DEST}/dev/console c 5 1 || die | ||
708 | mknod ${DEST}/dev/null c 1 3 || die | ||
709 | mknod ${DEST}/dev/ram b 1 1 || die | ||
710 | mknod ${DEST}/dev/rtc c 10 135 || die | ||
711 | mknod ${DEST}/dev/systty c 4 0 || die | ||
712 | mknod ${DEST}/dev/tty c 5 0 || die | ||
713 | mknod ${DEST}/dev/zero c 1 5 || die | ||
714 | for ((i=0; i < 13; i++)) | ||
715 | do | ||
716 | mknod ${DEST}/dev/tty${i} c 4 ${i} || die "tty${i}" | ||
717 | done | ||
718 | for ((i=64; i < 68; i++)) | ||
719 | do | ||
720 | mknod ${DEST}/dev/ttyS$((${i} - 64)) c 4 ${i} || die "ttyS$((${i} - 64))" | ||
721 | done | ||
722 | |||
723 | # create init script | ||
724 | :> ${DEST}/init || die | ||
725 | add_initrd '#!/bin/sh' | ||
726 | |||
727 | add_initrd 'mount -t proc proc /proc' | ||
728 | add_initrd 'mount -t sysfs sysfs /sys' | ||
729 | niro | 894 | add_initrd 'mount -t tmpfs tmpfs /dev -o rw,mode=0644,size=1024' |
730 | niro | 564 | |
731 | [[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /' | ||
732 | |||
733 | niro | 894 | # install all busybox applets |
734 | add_initrd 'busybox --install -s' | ||
735 | |||
736 | niro | 564 | # silencio |
737 | add_initrd 'echo 0 > /proc/sys/kernel/printk' | ||
738 | |||
739 | niro | 737 | add_initrd 'echo "-- Creating initial device nodes ..."' |
740 | niro | 894 | # populate dev |
741 | add_initrd 'mdev -s' | ||
742 | # handle hotplug events properly | ||
743 | add_initrd 'echo /sbin/mdev > /proc/sys/kernel/hotplug' | ||
744 | niro | 564 | |
745 | # loading detected modules with options | ||
746 | for MODULE in ${MODULES} | ||
747 | do | ||
748 | text="" | ||
749 | module=$(echo ${MODULE} | sed "s|.*/||" | sed "s/.k\?o$//") | ||
750 | fullmodule=$(echo ${MODULE} | sed "s|.*/||") | ||
751 | |||
752 | options=$(sed -n -e "s/^options[ ][ ]*${module}[ ][ ]*//p" ${modulefile} 2>/dev/null) | ||
753 | |||
754 | if [ -n "${options}" ] | ||
755 | then | ||
756 | echo "Adding module ${module}${text} with options ${options} ..." | ||
757 | else | ||
758 | echo "Adding module ${module}${text} ..." | ||
759 | fi | ||
760 | |||
761 | add_initrd "echo \"-- Loading ${fullmodule} module\"" | ||
762 | add_initrd "insmod /lib/${fullmodule} ${options}" | ||
763 | |||
764 | # Hack - we need a delay after loading usb-storage to give things | ||
765 | # time to settle down before we start looking a block devices | ||
766 | if [ "${module}" = "usb-storage" ] | ||
767 | then | ||
768 | add_initrd 'echo Waiting 8 seconds for driver initialization.' | ||
769 | add_initrd 'sleep 8' | ||
770 | fi | ||
771 | if [ "${module}" = "zfcp" -a -f /etc/zfcp.conf ] | ||
772 | then | ||
773 | add_initrd 'echo Waiting 2 seconds for driver initialization.' | ||
774 | add_initrd 'sleep 2' | ||
775 | cat /etc/zfcp.conf | grep -v "^#" | tr "A-Z" "a-z" | while read DEVICE SCSIID WWPN SCSILUN FCPLUN | ||
776 | do | ||
777 | add_initrd "echo -n ${WWPN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/port_add" | ||
778 | add_initrd "echo -n ${FCPLUN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/${WWPN}/unit_add" | ||
779 | add_initrd "echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online" | ||
780 | done | ||
781 | fi | ||
782 | done | ||
783 | |||
784 | # lvm support | ||
785 | if [ -n "${vg_list}" ] | ||
786 | then | ||
787 | add_initrd 'echo Scanning logical volumes' | ||
788 | add_initrd 'lvm vgscan --ignorelockingfailure' | ||
789 | add_initrd 'echo Activating logical volumes' | ||
790 | add_initrd "lvm vgchange -ay --ignorelockingfailure ${vg_list}" | ||
791 | fi | ||
792 | |||
793 | # loopback support | ||
794 | if [ -n "${loopDev}" ] | ||
795 | then | ||
796 | # needed on the host system | ||
797 | install -d /initrd | ||
798 | cp -a ${loopDev} ${DEST}/dev || die | ||
799 | cp -a ${rootdev} ${DEST}/dev || die | ||
800 | add_initrd 'echo "Mounting device containing loopback root filesystem ..."' | ||
801 | add_initrd "mount -t ${loopFs} ${loopDev} /loopfs" | ||
802 | add_initrd "echo Setting up loopback device ${rootdev}" | ||
803 | add_initrd "losetup ${rootdev} /loopfs${loopFile}" | ||
804 | fi | ||
805 | |||
806 | # software suspend | ||
807 | if [ -z "${noresume}" ] | ||
808 | then | ||
809 | add_initrd "[ -x /bin/resume ] && resume ${swsuspdev}" | ||
810 | fi | ||
811 | |||
812 | # raid | ||
813 | if [ -n "${raiddevices}" ] | ||
814 | then | ||
815 | for dev in ${raiddevices} | ||
816 | do | ||
817 | cp -a /dev/${dev} ${DEST}/dev || die | ||
818 | add_initrd "raidautorun /dev/${dev}" | ||
819 | done | ||
820 | fi | ||
821 | |||
822 | add_initrd 'echo "-- Mounting sysroot ..."' | ||
823 | add_initrd '. /etc/rootdev' | ||
824 | add_initrd '[ ! -e ${device} ] && mknod ${device} b ${major} ${minor}' | ||
825 | add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' | ||
826 | niro | 738 | add_initrd 'mount /sysroot || ash' |
827 | niro | 564 | |
828 | niro | 894 | # unset hotplug event-manager |
829 | add_initrd 'echo > /proc/sys/kernel/hotplug' | ||
830 | |||
831 | niro | 564 | # de-silencio |
832 | add_initrd 'echo 3 > /proc/sys/kernel/printk' | ||
833 | |||
834 | add_initrd 'echo "-- Switching to real sysroot ..."' | ||
835 | niro | 894 | add_initrd 'umount /dev' |
836 | niro | 564 | add_initrd 'umount /sys' |
837 | add_initrd 'umount /proc' | ||
838 | |||
839 | [[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console' | ||
840 | if [[ ${IMAGE_TYPE} = loopback ]] | ||
841 | then | ||
842 | add_initrd 'cd /sysroot' | ||
843 | add_initrd 'pivot_root . initrd' | ||
844 | add_initrd "exec /sbin/chroot . sh -c 'umount -n /initrd >/dev/null 2>&1;exec -a init.new /sbin/init'</dev/console >/dev/console 2>&1" | ||
845 | fi | ||
846 | |||
847 | chmod +x ${DEST}/init || die | ||
848 | |||
849 | # setup root block device | ||
850 | [[ -z ${rootdev} ]] && die "no known rootdev found." | ||
851 | echo "device=${rootdev}" > ${DEST}/etc/rootdev || die | ||
852 | echo "major=$(stat -c %t ${rootdev})" >> ${DEST}/etc/rootdev || die | ||
853 | echo "minor=$(stat -c %T ${rootdev})" >> ${DEST}/etc/rootdev || die | ||
854 | echo "rootfs=${rootfs}" >> ${DEST}/etc/rootdev || die | ||
855 | |||
856 | # install detected modules | ||
857 | echo "Coping your modules to '${DEST}/lib' ..." | ||
858 | for MODULE in ${MODULES} | ||
859 | do | ||
860 | if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]] | ||
861 | then | ||
862 | /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die | ||
863 | else | ||
864 | cp ${verbose} -a ${MODULE} ${DEST}/lib || die | ||
865 | fi | ||
866 | done | ||
867 | |||
868 | # create the image | ||
869 | echo "Creating initrd image '${target}' ..." | ||
870 | if [[ ${IMAGE_TYPE} = initramfs ]] | ||
871 | then | ||
872 | (cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE}) | ||
873 | cat ${IMAGE} > ${target} || die | ||
874 | fi | ||
875 | |||
876 | if [[ ${IMAGE_TYPE} = loopback ]] | ||
877 | then | ||
878 | MOUNTTMP="$(mktemp -d)" | ||
879 | |||
880 | # create ext2 img | ||
881 | dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die | ||
882 | mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die | ||
883 | mount -o loop ${IMAGE} ${MOUNTTMP} || die | ||
884 | mv ${DEST}/* ${MOUNTTMP} || die | ||
885 | umount ${MOUNTTMP} || die | ||
886 | gzip -9 ${IMAGE} || die | ||
887 | cat ${IMAGE}.gz > ${target} || die | ||
888 | [ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP} | ||
889 | |||
890 | # create inird dir for pivot_root | ||
891 | [ ! -d /initrd ] && { install -d /initrd || die; } | ||
892 | fi | ||
893 | |||
894 | # clean up | ||
895 | [ -d ${DEST} ] && rm -rf ${DEST} | ||
896 | [ -f ${IMAGE} ] && rm -f ${IMAGE} | ||
897 | |||
898 | # all went ok at this point | ||
899 | exit 0 |