Annotation of /trunk/mkinitrd-magellan/mkinitrd.in
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Revision 993 -
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Sun May 30 11:47:04 2010 UTC (14 years, 4 months ago) by niro
File size: 21678 byte(s)
Sun May 30 11:47:04 2010 UTC (14 years, 4 months ago) by niro
File size: 21678 byte(s)
-fixed modprobe.conf.d handling
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 | niro | 993 | modulefile="/etc/modules.conf" |
57 | modprobeconf="/etc/modprobe.d/*" | ||
58 | niro | 564 | rc=0 |
59 | |||
60 | IMAGESIZE=4000 | ||
61 | PRESCSIMODS="sd_mod" | ||
62 | fstab="/etc/fstab" | ||
63 | |||
64 | vg_list="" | ||
65 | |||
66 | die() { echo "Error: $@"; exit 1; } | ||
67 | add_initrd() { echo "$@" >> ${DEST}/init || die; } | ||
68 | |||
69 | DEST="$(mktemp -d)" | ||
70 | IMAGE="$(mktemp)" | ||
71 | |||
72 | usage() | ||
73 | { | ||
74 | echo "usage: $(basename $0) [--version] [--help] [-v] [-f] [--preload <module>]" | ||
75 | echo " [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]" | ||
76 | echo " [--image-version] [--force-scsi-probe | --omit-raid-modules]" | ||
77 | echo " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]" | ||
78 | echo " [--builtin=<module>] [--initramfs | --loopback] [--no-strip]" | ||
79 | echo " [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>" | ||
80 | echo | ||
81 | echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)" | ||
82 | |||
83 | exit 0 | ||
84 | } | ||
85 | |||
86 | moduledep() | ||
87 | { | ||
88 | if [ ! -f "/lib/modules/${kernel}/modules.dep" ] | ||
89 | then | ||
90 | die "No dep file found for kernel ${kernel}" | ||
91 | fi | ||
92 | |||
93 | echo "Looking for deps of module $1" | ||
94 | deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \ | ||
95 | function modname(filename) { match(filename, /\/([^\/]+)\.k?o:?$/, ret); return ret[1] } \ | ||
96 | function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \ | ||
97 | niro | 845 | /^.*kernel/ { show(); \ |
98 | niro | 564 | orig=modname($1); dep=""; \ |
99 | if ($2) { for (i = 2; i <= NF; i++) { dep=sprintf("%s %s", dep, modname($i)); } } } \ | ||
100 | /^ / { dep=sprintf("%s %s", dep, modname($1)); } \ | ||
101 | END { show(); exit(rc) }' /lib/modules/${kernel}/modules.dep $1) | ||
102 | [ -n "${deps}" ] && echo ":${deps}" || echo | ||
103 | } | ||
104 | |||
105 | findone() { /usr/bin/find "$@" | /bin/awk '{ print $1; exit; }'; } | ||
106 | findall() { /usr/bin/find "$@"; } | ||
107 | |||
108 | findmodule() | ||
109 | { | ||
110 | skiperrors="" | ||
111 | |||
112 | if [[ $1 = --skiperrors ]] | ||
113 | then | ||
114 | skiperrors=--skiperrors | ||
115 | shift | ||
116 | fi | ||
117 | |||
118 | local modName=$1 | ||
119 | |||
120 | if [ "${modName}" = "off" -o "${modName}" = "null" ] | ||
121 | then | ||
122 | return | ||
123 | fi | ||
124 | |||
125 | if [ $(echo ${modName} | cut -b1) = "-" ] | ||
126 | then | ||
127 | skiperrors=--skiperrors | ||
128 | modName=$(echo ${modName} | cut -b2-) | ||
129 | fi | ||
130 | |||
131 | case "${MODULES} " in | ||
132 | *"/${modName}.ko "*) return ;; | ||
133 | esac | ||
134 | |||
135 | if echo ${builtins} | egrep -q '(^| )'${modName}'( |$)' | ||
136 | then | ||
137 | echo "module ${modName} assumed to be built in" | ||
138 | return | ||
139 | fi | ||
140 | |||
141 | # special cases | ||
142 | if [[ ${modName} = i2o_block ]] | ||
143 | then | ||
144 | findmodule i2o_core | ||
145 | findmodule -i2o_pci | ||
146 | modName="i2o_block" | ||
147 | elif [[ ${modName} = ppa ]] | ||
148 | then | ||
149 | findmodule parport | ||
150 | findmodule parport_pc | ||
151 | modName="ppa" | ||
152 | elif [[ ${modName} = sbp2 ]] | ||
153 | then | ||
154 | findmodule ieee1394 | ||
155 | findmodule ohci1394 | ||
156 | modName="sbp2" | ||
157 | else | ||
158 | moduledep ${modName} | ||
159 | for i in ${deps} | ||
160 | do | ||
161 | findmodule ${i} | ||
162 | done | ||
163 | fi | ||
164 | |||
165 | for modExt in o.gz o ko | ||
166 | do | ||
167 | for modDir in /lib/modules/${kernel}/updates /lib/modules/${kernel} | ||
168 | do | ||
169 | if [ -d ${modDir} ] | ||
170 | then | ||
171 | fmPath=$(findone ${modDir} -name ${modName}.${modExt}) | ||
172 | if [ -f "${fmPath}" ] | ||
173 | then | ||
174 | break 2 | ||
175 | fi | ||
176 | fi | ||
177 | done | ||
178 | done | ||
179 | |||
180 | if [ ! -f ${fmPath} ] | ||
181 | then | ||
182 | if [ -n "${skiperrors}" ] | ||
183 | then | ||
184 | return | ||
185 | fi | ||
186 | |||
187 | # ignore the absence of the scsi modules | ||
188 | for n in ${PRESCSIMODS} | ||
189 | do | ||
190 | if [[ ${n} = ${modName} ]] | ||
191 | then | ||
192 | return | ||
193 | fi | ||
194 | done | ||
195 | |||
196 | if [ -n "${allowmissing}" ] | ||
197 | then | ||
198 | echo "WARNING: No module ${modName} found for kernel ${kernel}, continuing anyway" | ||
199 | return | ||
200 | fi | ||
201 | |||
202 | die "No module ${modName} found for kernel ${kernel}, aborting." | ||
203 | fi | ||
204 | |||
205 | # only need to add each module once | ||
206 | MODULES="${MODULES} ${fmPath}" | ||
207 | } | ||
208 | |||
209 | inst() | ||
210 | { | ||
211 | if [ "$#" != "2" ] | ||
212 | then | ||
213 | echo "usage: inst <file> <destination>" | ||
214 | return | ||
215 | fi | ||
216 | echo "$1 -> $2" | ||
217 | cp $1 $2 | ||
218 | } | ||
219 | |||
220 | findstoragedriver() | ||
221 | { | ||
222 | for device in $@ | ||
223 | do | ||
224 | case " ${handledevices} " in | ||
225 | *" ${device} "*) continue ;; | ||
226 | *) handleddevices="${handleddevices} ${device}" ;; | ||
227 | esac | ||
228 | |||
229 | if [[ "${device}" =~ "md[0-9]+" ]] | ||
230 | then | ||
231 | echo "Found RAID component ${device}" | ||
232 | handleraid "${device}" | ||
233 | continue | ||
234 | fi | ||
235 | echo "Looking for driver for device ${device}" | ||
236 | sysfs=$(findone /sys/block -name ${device} -type d) | ||
237 | [ -z "${sysfs}" ] && return | ||
238 | pushd ${sysfs} >/dev/null 2>&1 | ||
239 | while [ ! -L device ] | ||
240 | do | ||
241 | [[ ${PWD} = /sys ]] && continue 2 | ||
242 | cd .. | ||
243 | done | ||
244 | cd $(readlink ./device) | ||
245 | while [ ! -f modalias ] | ||
246 | do | ||
247 | [[ ${PWD} = /sys/devices ]] && continue 2 | ||
248 | cd .. | ||
249 | done | ||
250 | modalias=$(cat modalias) | ||
251 | for driver in $(modprobe --set-version ${kernel} --show-depends ${modalias} 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }') | ||
252 | do | ||
253 | findmodule ${driver%%.ko} | ||
254 | done | ||
255 | popd >/dev/null 2>&1 | ||
256 | done | ||
257 | } | ||
258 | |||
259 | handleraid() | ||
260 | { | ||
261 | local start=0 | ||
262 | |||
263 | if [ -n "${noraid}" -o ! -f /proc/mdstat ] | ||
264 | then | ||
265 | return 0 | ||
266 | fi | ||
267 | |||
268 | levels=$(grep "^$1[ ]*:" /proc/mdstat | \ | ||
269 | awk '{ print $4 }') | ||
270 | devs=$(grep "^$1[ ]*:" /proc/mdstat | \ | ||
271 | awk '{ print gensub("\\[[0-9]*\\]","","g",gensub("^md.*raid[0-9]*","","1")) }') | ||
272 | |||
273 | for level in ${levels} | ||
274 | do | ||
275 | case ${level} in | ||
276 | linear) | ||
277 | findmodule linear | ||
278 | start=1 | ||
279 | ;; | ||
280 | multipath) | ||
281 | findmodule multipath | ||
282 | start=1 | ||
283 | ;; | ||
284 | raid[01456]) | ||
285 | findmodule ${level} | ||
286 | start=1 | ||
287 | ;; | ||
288 | *) | ||
289 | error "raid level ${level} (in /proc/mdstat) not recognized" | ||
290 | ;; | ||
291 | esac | ||
292 | done | ||
293 | findstoragedriver ${devs} | ||
294 | if [[ ${start} = 1 ]] | ||
295 | then | ||
296 | raiddevices="${raiddevices} $1" | ||
297 | fi | ||
298 | return ${start} | ||
299 | } | ||
300 | |||
301 | handlelvordev() | ||
302 | { | ||
303 | local vg=$(lvs --noheadings -o vg_name $1 2>/dev/null) | ||
304 | if [ -n "${vg}" ] | ||
305 | then | ||
306 | vg=$(echo ${vg}) # strip whitespace | ||
307 | case " ${vg_list} " in | ||
308 | *" ${vg} "*) | ||
309 | ;; | ||
310 | *) | ||
311 | vg_list="${vg_list} ${vg}" | ||
312 | for device in $(vgdisplay -v ${vg} 2>/dev/null | sed -n 's/PV Name//p') | ||
313 | do | ||
314 | findstoragedriver ${device##/dev/} | ||
315 | done | ||
316 | ;; | ||
317 | esac | ||
318 | else | ||
319 | findstoragedriver ${1##/dev/} | ||
320 | fi | ||
321 | } | ||
322 | |||
323 | niro | 897 | get_blkid() |
324 | { | ||
325 | local UUID | ||
326 | local SEC_TYPE | ||
327 | local TYPE | ||
328 | |||
329 | local dev="$1" | ||
330 | [[ -z ${dev} ]] && die "no dev given" | ||
331 | |||
332 | niro | 901 | # check if given device is already an UUID |
333 | if [[ ${dev/UUID=/}x != ${dev}x ]] | ||
334 | then | ||
335 | eval "${dev}" | ||
336 | else | ||
337 | eval $(busybox.mkinitrd blkid ${dev} | grep "${dev}:" | sed 's/.*:\ //') | ||
338 | fi | ||
339 | niro | 897 | echo ${UUID} |
340 | } | ||
341 | |||
342 | niro | 564 | # need r00t privs |
343 | [[ $(id -u) != 0 ]] && die "you must be r00t." | ||
344 | |||
345 | while [ $# -gt 0 ]; do | ||
346 | case $1 in | ||
347 | --fstab*) | ||
348 | if echo $1 | grep -q '=' ; then | ||
349 | fstab=$(echo $1 | sed 's/^--fstab=//') | ||
350 | else | ||
351 | fstab=$2 | ||
352 | shift | ||
353 | fi | ||
354 | ;; | ||
355 | |||
356 | --with-usb) withusb=yes ;; | ||
357 | |||
358 | --with*) | ||
359 | if echo $1 | grep -q '=' ; then | ||
360 | modname=$(echo $1 | sed 's/^--with=//') | ||
361 | else | ||
362 | modname=$2 | ||
363 | shift | ||
364 | fi | ||
365 | basicmodules="${basicmodules} ${modname}" | ||
366 | ;; | ||
367 | |||
368 | --builtin*) | ||
369 | if echo $1 | grep -q '=' ; then | ||
370 | modname=$(echo $1 | sed 's/^--builtin=//') | ||
371 | else | ||
372 | modname=$2 | ||
373 | shift | ||
374 | fi | ||
375 | builtins="${builtins} ${modname}" | ||
376 | ;; | ||
377 | |||
378 | --version) | ||
379 | echo "mkinitrd: version ${VERSION}" | ||
380 | exit 0 | ||
381 | ;; | ||
382 | |||
383 | -v) verbose=-v ;; | ||
384 | --nocompress) compress="" ;; | ||
385 | --ifneeded) | ||
386 | # legacy | ||
387 | ;; | ||
388 | -f) force=1 ;; | ||
389 | |||
390 | --preload*) | ||
391 | if echo $1 | grep -q '=' ; then | ||
392 | modname=$(echo $1 | sed 's/^--preload=//') | ||
393 | else | ||
394 | modname=$2 | ||
395 | shift | ||
396 | fi | ||
397 | PREMODS="${PREMODS} ${modname}" | ||
398 | ;; | ||
399 | |||
400 | --force-scsi-probe) forcescsi=1 ;; | ||
401 | |||
402 | --omit-scsi-modules) | ||
403 | PRESCSIMODS="" | ||
404 | noscsi=1 | ||
405 | ;; | ||
406 | --force-raid-probe) forceraid=1 ;; | ||
407 | --omit-raid-modules) noraid=1 ;; | ||
408 | --force-lvm-probe) forcelvm=1 ;; | ||
409 | --omit-lvm-modules) nolvm=1 ;; | ||
410 | --force-ide-probe) forceide=1 ;; | ||
411 | --image-version) img_vers=yes ;; | ||
412 | --allow-missing) allowmissing=yes ;; | ||
413 | --noresume) noresume=1 ;; | ||
414 | --help) usage -n ;; | ||
415 | --initramfs) IMAGE_TYPE=initramfs ;; | ||
416 | --loopback) IMAGE_TYPE=loopback ;; | ||
417 | --no-strip) NOSTRIP=true ;; | ||
418 | *) | ||
419 | if [ -z "${target}" ] | ||
420 | then | ||
421 | target=$1 | ||
422 | elif [ -z "${kernel}" ] | ||
423 | then | ||
424 | kernel=$1 | ||
425 | else | ||
426 | usage | ||
427 | fi | ||
428 | ;; | ||
429 | esac | ||
430 | |||
431 | shift | ||
432 | done | ||
433 | |||
434 | # enforce initramfs method as default | ||
435 | [[ -z ${IMAGE_TYPE} ]] && IMAGE_TYPE=initramfs | ||
436 | |||
437 | if [ -z "${target}" -o -z "${kernel}" ] | ||
438 | then | ||
439 | usage | ||
440 | fi | ||
441 | |||
442 | if [ -n "${img_vers}" ] | ||
443 | then | ||
444 | target="${target}-${kernel}" | ||
445 | fi | ||
446 | |||
447 | if [ -z "${force}" -a -f ${target} ] | ||
448 | then | ||
449 | die "${target} already exists." | ||
450 | fi | ||
451 | |||
452 | if [ -n "${forcescsi}" -a -n "${noscsi}" ] | ||
453 | then | ||
454 | die "Can't both force scsi probe and omit scsi modules" | ||
455 | fi | ||
456 | |||
457 | if [ -n "${forceraid}" -a -n "${noraid}" ] | ||
458 | then | ||
459 | die "Can't both force raid probe and omit raid modules" | ||
460 | fi | ||
461 | |||
462 | if [ -n "${forcelvm}" -a -n "${nolvm}" ] | ||
463 | then | ||
464 | die "Can't both force LVM probe and omit LVM modules" | ||
465 | fi | ||
466 | |||
467 | if [ ! -d /lib/modules/${kernel} ] | ||
468 | then | ||
469 | die "No modules available for kernel '${kernel}'." | ||
470 | fi | ||
471 | |||
472 | ############################## | ||
473 | ####### get modules ########## | ||
474 | |||
475 | echo "Creating ${IMAGE_TYPE} initrd image" | ||
476 | |||
477 | for n in ${PREMODS} | ||
478 | do | ||
479 | findmodule ${n} | ||
480 | done | ||
481 | |||
482 | needusb="" | ||
483 | if [ -n "${withusb}" -a "x${PROBE}" == "xyes" ] | ||
484 | then | ||
485 | # If / or /boot is on a USB device include the driver. With root by | ||
486 | # label we could still get some odd behaviors | ||
487 | for fs in / /boot | ||
488 | do | ||
489 | esc=$(echo ${fs} | sed 's,/,\\/,g') | ||
490 | dev=$(mount | awk "/ on ${esc} / { print \$1 }" | sed 's/[0-9]*$//' | cut -d/ -f3) | ||
491 | if [ "$(echo ${dev} | cut -c1-2)" = sd ] | ||
492 | then | ||
493 | if [ $(which kudzu 2>/dev/null) ] | ||
494 | then | ||
495 | host=$(kudzu --probe -b scsi | | ||
496 | gawk '/^device: '${dev}'/,/^host:/ { if (/^host/) { print $2; exit; } }') | ||
497 | if [ -d /proc/scsi/usb-storage-${host} -o -f /proc/scsi/usb-storage/${host} ] | ||
498 | then | ||
499 | needusb=1 | ||
500 | fi | ||
501 | fi | ||
502 | fi | ||
503 | done | ||
504 | fi | ||
505 | |||
506 | if [ -n "${needusb}" -a "x${PROBE}" == "xyes" ] | ||
507 | then | ||
508 | drivers=$(awk '/^alias[[:space:]]+usb-controller[0-9]* / { print $3}' < ${modulefile}) | ||
509 | if [ -n "${drivers}" ] | ||
510 | then | ||
511 | for driver in ${drivers} | ||
512 | do | ||
513 | findmodule ${driver} | ||
514 | done | ||
515 | findmodule scsi_mod | ||
516 | findmodule sd_mod | ||
517 | findmodule usb-storage | ||
518 | fi | ||
519 | fi | ||
520 | |||
521 | if [ -n "${forcescsi}" -o -z "${noscsi}" -a "x${PROBE}" == "xyes" ] | ||
522 | then | ||
523 | if [ ! -f ${modulefile} ] | ||
524 | then | ||
525 | modulefile=/etc/conf.modules | ||
526 | fi | ||
527 | |||
528 | if [ -f ${modulefile} ] | ||
529 | then | ||
530 | scsimodules=$(grep "alias[[:space:]]\+scsi_hostadapter" ${modulefile} | grep -v '^[ ]*#' | LC_ALL=C sort -u | awk '{ print $3 }') | ||
531 | |||
532 | if [ -n "${scsimodules}" ] | ||
533 | then | ||
534 | for n in ${PRESCSIMODS} | ||
535 | do | ||
536 | findmodule ${n} | ||
537 | done | ||
538 | |||
539 | for n in ${scsimodules} | ||
540 | do | ||
541 | # for now allow scsi modules to come from anywhere. There are some | ||
542 | # RAID controllers with drivers in block/ | ||
543 | findmodule ${n} | ||
544 | done | ||
545 | fi | ||
546 | fi | ||
547 | fi | ||
548 | |||
549 | # If we have ide devices and module ide, do the right thing | ||
550 | ide=/proc/ide/ide* | ||
551 | if [ -n "${forceide}" -o -n "${ide}" -a "x${PROBE}" == "xyes" ] | ||
552 | then | ||
553 | findmodule -ide-disk | ||
554 | fi | ||
555 | |||
556 | # If we have dasd devices, include the necessary modules (S/390) | ||
557 | if [ "x${PROBE}" == "xyes" -a -d /proc/dasd ] | ||
558 | then | ||
559 | findmodule -dasd_mod | ||
560 | findmodule -dasd_eckd_mod | ||
561 | findmodule -dasd_fba_mod | ||
562 | fi | ||
563 | |||
564 | if [ "x${PROBE}" == "xyes" ] | ||
565 | then | ||
566 | # check to see if we need to set up a loopback filesystem | ||
567 | rootdev=$(awk '/^[ \t]*[^#]/ { if ($2 == "/") { print $1; }}' ${fstab}) | ||
568 | # check if it's root by label | ||
569 | if echo ${rootdev} | cut -c1-6 | grep -q "LABEL=" | ||
570 | then | ||
571 | majmin=$(stat -c "%t:%T" /dev/root) | ||
572 | if [ -n "${majmin}" ] | ||
573 | then | ||
574 | dev=$(findall /sys/block -name dev | while read device ; do \ | ||
575 | echo "${majmin}" | cmp -s ${device} && echo ${device} ; done \ | ||
576 | | sed -e 's,.*/\([^/]\+\)/dev,\1,' ) | ||
577 | if [ -n "${dev}" ]; then | ||
578 | echo "Found root device ${dev} for ${rootdev}" | ||
579 | rootdev=${dev} | ||
580 | fi | ||
581 | fi | ||
582 | fi | ||
583 | if echo ${rootdev} | cut -d/ -f3 | grep -q loop | ||
584 | then | ||
585 | key="^# $(echo ${rootdev} | cut -d/ -f3 | tr '[a-z]' '[A-Z]'):" | ||
586 | if ! grep "${key}" ${fstab} >> /dev/null | ||
587 | then | ||
588 | echo "The root filesystem is on a ${rootdev}, but there is no magic entry in ${fstab}" | ||
589 | echo "for this device. Consult the mkinitrd man page for more information" | ||
590 | echo "loopback root." | ||
591 | exit 1 | ||
592 | fi | ||
593 | |||
594 | line=$(grep "${key}" ${fstab}) | ||
595 | loopDev=$(echo ${line} | awk '{print $3}') | ||
596 | loopFs=$(echo ${line} | awk '{print $4}') | ||
597 | loopFile=$(echo ${line} | awk '{print $5}') | ||
598 | |||
599 | basicmodules="${basicmodules} -loop" | ||
600 | if [ "${loopFs}" = "vfat" -o "${loopFs}" = "msdos" ] | ||
601 | then | ||
602 | basicmodules="${basicmodules} -fat" | ||
603 | fi | ||
604 | basicmodules="${basicmodules} -${loopFs}" | ||
605 | # check if the root fs is on a logical volume | ||
606 | # this check must be last | ||
607 | else | ||
608 | handlelvordev ${rootdev} | ||
609 | fi | ||
610 | |||
611 | rootfs=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $3; }}' ${fstab}) | ||
612 | rootopts=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $4; }}' ${fstab}\ | ||
613 | | sed -e 's/^r[ow],//' -e 's/,r[ow],$//' -e 's/,r[ow],/,/' \ | ||
614 | -e 's/^r[ow]$/defaults/' -e 's/$/,ro/') | ||
615 | |||
616 | # in case the root filesystem is modular | ||
617 | findmodule -${rootfs} | ||
618 | |||
619 | # find the first swap dev which would get used for swsusp | ||
620 | swsuspdev=$(awk '/^[ \t]*[^#]/ { if ($3 == "swap") { print $1; }}' ${fstab} \ | ||
621 | | head -n 1) | ||
622 | if ! echo ${swsuspdev} | cut -c1-6 | grep -q "LABEL=" | ||
623 | then | ||
624 | handlelvordev ${swsupdev} | ||
625 | fi | ||
626 | fi | ||
627 | |||
628 | # If we use LVM or dm-based raid, include dm-mod | ||
629 | # XXX: dm not really supported yet. | ||
630 | testdm="" | ||
631 | [ -n "${vg_list}" ] && testdm="yes" | ||
632 | [ -n "${forceraid}" -o -n "${forcelvm}" ] && testdm="yes" | ||
633 | [ "x${PROBE}" == "xyes" -a \ | ||
634 | -n "$(test -z \"${nolvm}\" -o -z \"${noraid}\")" ] && testdm="yes" | ||
635 | |||
636 | if [ -n "${testdm}" ] | ||
637 | then | ||
638 | if [ -x /sbin/dmsetup -a -e /dev/mapper/control ] | ||
639 | then | ||
640 | dmout=$(/sbin/dmsetup ls 2>/dev/null) | ||
641 | if [ "${dmout}" != "No devices found" -a "${dmout}" != "" ] | ||
642 | then | ||
643 | findmodule -dm-mod | ||
644 | |||
645 | # DM requires all of these to be there in case someone used the | ||
646 | # feature. broken. (#132001) | ||
647 | findmodule -dm-mirror | ||
648 | findmodule -dm-zero | ||
649 | findmodule -dm-snapshot | ||
650 | fi | ||
651 | fi | ||
652 | fi | ||
653 | |||
654 | for n in ${basicmodules} | ||
655 | do | ||
656 | findmodule ${n} | ||
657 | done | ||
658 | |||
659 | for n in ${CONFMODS} | ||
660 | do | ||
661 | findmodule ${n} | ||
662 | done | ||
663 | |||
664 | echo "Using modules:${MODULES}" | ||
665 | |||
666 | ####### eof modules ########## | ||
667 | ############################## | ||
668 | |||
669 | |||
670 | # create basic filesystem layout | ||
671 | niro | 894 | install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot,usr/bin,usr/sbin} || die |
672 | niro | 564 | |
673 | # install busybox | ||
674 | echo "$(which busybox.mkinitrd)" | ||
675 | install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die | ||
676 | for i in '[' ash basename cat cut clear cp dirname echo env false find \ | ||
677 | grep gunzip gzip ln ls loadkmap mkdir mknod more mount mv \ | ||
678 | ps pwd rm rmdir sh sleep test touch true umount uname \ | ||
679 | xargs yes chmod chown | ||
680 | do | ||
681 | # use soft links from now on; | ||
682 | # hardlinks in initramfs apears to be broken on newer kernels | ||
683 | # -> "request module: runaway loop modprobe binfmt-0000" | ||
684 | # see: http://www.gossamer-threads.com/lists/linux/kernel/728042 | ||
685 | ln -s /bin/busybox ${DEST}/bin/${i} || die "${i}" | ||
686 | done | ||
687 | |||
688 | # sbin related | ||
689 | for i in chroot init losetup modprobe pivot_root | ||
690 | do | ||
691 | niro | 894 | ln -s ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}" |
692 | niro | 564 | done |
693 | |||
694 | # install run-init | ||
695 | echo "$(which run-init.mkinitrd)" | ||
696 | install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die | ||
697 | |||
698 | # install insmod.static | ||
699 | niro | 894 | #echo "$(which insmod.static)" |
700 | #install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die | ||
701 | niro | 564 | |
702 | niro | 703 | # install v86d for uvesafb support if installed |
703 | if which v86d &> /dev/null | ||
704 | then | ||
705 | niro | 894 | echo "$(which v86d)" |
706 | niro | 703 | install -m0755 $(which v86d) ${DEST}/sbin/v86d || die |
707 | fi | ||
708 | |||
709 | niro | 564 | # install lvm |
710 | if [ -n "${vg_list}" ] | ||
711 | then | ||
712 | inst /sbin/lvm.static "${DEST}/sbin/lvm" | ||
713 | if [ -f /etc/lvm/lvm.conf ] | ||
714 | then | ||
715 | cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/ | ||
716 | fi | ||
717 | fi | ||
718 | |||
719 | # create some needed device nodes | ||
720 | mkdir ${DEST}/dev/pts || die | ||
721 | mkdir ${DEST}/dev/shm || die | ||
722 | mkdir ${DEST}/dev/mapper || die | ||
723 | mkdir ${DEST}/dev/misc || die | ||
724 | mkdir ${DEST}/dev/fb || die | ||
725 | mkdir ${DEST}/dev/vc || die | ||
726 | mknod ${DEST}/dev/console c 5 1 || die | ||
727 | mknod ${DEST}/dev/null c 1 3 || die | ||
728 | mknod ${DEST}/dev/ram b 1 1 || die | ||
729 | mknod ${DEST}/dev/rtc c 10 135 || die | ||
730 | mknod ${DEST}/dev/systty c 4 0 || die | ||
731 | mknod ${DEST}/dev/tty c 5 0 || die | ||
732 | mknod ${DEST}/dev/zero c 1 5 || die | ||
733 | for ((i=0; i < 13; i++)) | ||
734 | do | ||
735 | mknod ${DEST}/dev/tty${i} c 4 ${i} || die "tty${i}" | ||
736 | done | ||
737 | for ((i=64; i < 68; i++)) | ||
738 | do | ||
739 | mknod ${DEST}/dev/ttyS$((${i} - 64)) c 4 ${i} || die "ttyS$((${i} - 64))" | ||
740 | done | ||
741 | |||
742 | # create init script | ||
743 | :> ${DEST}/init || die | ||
744 | add_initrd '#!/bin/sh' | ||
745 | |||
746 | add_initrd 'mount -t proc proc /proc' | ||
747 | add_initrd 'mount -t sysfs sysfs /sys' | ||
748 | niro | 894 | add_initrd 'mount -t tmpfs tmpfs /dev -o rw,mode=0644,size=1024' |
749 | niro | 564 | |
750 | [[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /' | ||
751 | |||
752 | niro | 894 | # install all busybox applets |
753 | add_initrd 'busybox --install -s' | ||
754 | |||
755 | niro | 564 | # silencio |
756 | add_initrd 'echo 0 > /proc/sys/kernel/printk' | ||
757 | |||
758 | niro | 737 | add_initrd 'echo "-- Creating initial device nodes ..."' |
759 | niro | 894 | # populate dev |
760 | add_initrd 'mdev -s' | ||
761 | # handle hotplug events properly | ||
762 | add_initrd 'echo /sbin/mdev > /proc/sys/kernel/hotplug' | ||
763 | niro | 564 | |
764 | # loading detected modules with options | ||
765 | for MODULE in ${MODULES} | ||
766 | do | ||
767 | text="" | ||
768 | module=$(echo ${MODULE} | sed "s|.*/||" | sed "s/.k\?o$//") | ||
769 | fullmodule=$(echo ${MODULE} | sed "s|.*/||") | ||
770 | |||
771 | niro | 993 | options=$(sed -n -e "s/^options[ ][ ]*${module}[ ][ ]*//p" ${modprobeconf} 2>/dev/null) |
772 | niro | 564 | |
773 | if [ -n "${options}" ] | ||
774 | then | ||
775 | echo "Adding module ${module}${text} with options ${options} ..." | ||
776 | else | ||
777 | echo "Adding module ${module}${text} ..." | ||
778 | fi | ||
779 | |||
780 | add_initrd "echo \"-- Loading ${fullmodule} module\"" | ||
781 | add_initrd "insmod /lib/${fullmodule} ${options}" | ||
782 | |||
783 | # Hack - we need a delay after loading usb-storage to give things | ||
784 | # time to settle down before we start looking a block devices | ||
785 | if [ "${module}" = "usb-storage" ] | ||
786 | then | ||
787 | add_initrd 'echo Waiting 8 seconds for driver initialization.' | ||
788 | add_initrd 'sleep 8' | ||
789 | fi | ||
790 | if [ "${module}" = "zfcp" -a -f /etc/zfcp.conf ] | ||
791 | then | ||
792 | add_initrd 'echo Waiting 2 seconds for driver initialization.' | ||
793 | add_initrd 'sleep 2' | ||
794 | cat /etc/zfcp.conf | grep -v "^#" | tr "A-Z" "a-z" | while read DEVICE SCSIID WWPN SCSILUN FCPLUN | ||
795 | do | ||
796 | add_initrd "echo -n ${WWPN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/port_add" | ||
797 | add_initrd "echo -n ${FCPLUN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/${WWPN}/unit_add" | ||
798 | add_initrd "echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online" | ||
799 | done | ||
800 | fi | ||
801 | done | ||
802 | |||
803 | # lvm support | ||
804 | if [ -n "${vg_list}" ] | ||
805 | then | ||
806 | add_initrd 'echo Scanning logical volumes' | ||
807 | add_initrd 'lvm vgscan --ignorelockingfailure' | ||
808 | add_initrd 'echo Activating logical volumes' | ||
809 | add_initrd "lvm vgchange -ay --ignorelockingfailure ${vg_list}" | ||
810 | fi | ||
811 | |||
812 | # loopback support | ||
813 | if [ -n "${loopDev}" ] | ||
814 | then | ||
815 | # needed on the host system | ||
816 | install -d /initrd | ||
817 | cp -a ${loopDev} ${DEST}/dev || die | ||
818 | cp -a ${rootdev} ${DEST}/dev || die | ||
819 | add_initrd 'echo "Mounting device containing loopback root filesystem ..."' | ||
820 | add_initrd "mount -t ${loopFs} ${loopDev} /loopfs" | ||
821 | add_initrd "echo Setting up loopback device ${rootdev}" | ||
822 | add_initrd "losetup ${rootdev} /loopfs${loopFile}" | ||
823 | fi | ||
824 | |||
825 | # software suspend | ||
826 | if [ -z "${noresume}" ] | ||
827 | then | ||
828 | add_initrd "[ -x /bin/resume ] && resume ${swsuspdev}" | ||
829 | fi | ||
830 | |||
831 | # raid | ||
832 | if [ -n "${raiddevices}" ] | ||
833 | then | ||
834 | for dev in ${raiddevices} | ||
835 | do | ||
836 | cp -a /dev/${dev} ${DEST}/dev || die | ||
837 | add_initrd "raidautorun /dev/${dev}" | ||
838 | done | ||
839 | fi | ||
840 | |||
841 | add_initrd 'echo "-- Mounting sysroot ..."' | ||
842 | add_initrd '. /etc/rootdev' | ||
843 | add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' | ||
844 | niro | 738 | add_initrd 'mount /sysroot || ash' |
845 | niro | 564 | |
846 | niro | 894 | # unset hotplug event-manager |
847 | add_initrd 'echo > /proc/sys/kernel/hotplug' | ||
848 | |||
849 | niro | 564 | # de-silencio |
850 | add_initrd 'echo 3 > /proc/sys/kernel/printk' | ||
851 | |||
852 | add_initrd 'echo "-- Switching to real sysroot ..."' | ||
853 | niro | 894 | add_initrd 'umount /dev' |
854 | niro | 564 | add_initrd 'umount /sys' |
855 | add_initrd 'umount /proc' | ||
856 | |||
857 | [[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console' | ||
858 | if [[ ${IMAGE_TYPE} = loopback ]] | ||
859 | then | ||
860 | add_initrd 'cd /sysroot' | ||
861 | add_initrd 'pivot_root . initrd' | ||
862 | 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" | ||
863 | fi | ||
864 | |||
865 | chmod +x ${DEST}/init || die | ||
866 | |||
867 | # setup root block device | ||
868 | [[ -z ${rootdev} ]] && die "no known rootdev found." | ||
869 | niro | 897 | echo "device='UUID=$(get_blkid ${rootdev})'" > ${DEST}/etc/rootdev || die |
870 | echo "rootfs='${rootfs}'" >> ${DEST}/etc/rootdev || die | ||
871 | niro | 564 | |
872 | # install detected modules | ||
873 | echo "Coping your modules to '${DEST}/lib' ..." | ||
874 | for MODULE in ${MODULES} | ||
875 | do | ||
876 | if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]] | ||
877 | then | ||
878 | /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die | ||
879 | else | ||
880 | cp ${verbose} -a ${MODULE} ${DEST}/lib || die | ||
881 | fi | ||
882 | done | ||
883 | |||
884 | # create the image | ||
885 | echo "Creating initrd image '${target}' ..." | ||
886 | if [[ ${IMAGE_TYPE} = initramfs ]] | ||
887 | then | ||
888 | (cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE}) | ||
889 | cat ${IMAGE} > ${target} || die | ||
890 | fi | ||
891 | |||
892 | if [[ ${IMAGE_TYPE} = loopback ]] | ||
893 | then | ||
894 | MOUNTTMP="$(mktemp -d)" | ||
895 | |||
896 | # create ext2 img | ||
897 | dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die | ||
898 | mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die | ||
899 | mount -o loop ${IMAGE} ${MOUNTTMP} || die | ||
900 | mv ${DEST}/* ${MOUNTTMP} || die | ||
901 | umount ${MOUNTTMP} || die | ||
902 | gzip -9 ${IMAGE} || die | ||
903 | cat ${IMAGE}.gz > ${target} || die | ||
904 | [ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP} | ||
905 | |||
906 | # create inird dir for pivot_root | ||
907 | [ ! -d /initrd ] && { install -d /initrd || die; } | ||
908 | fi | ||
909 | |||
910 | # clean up | ||
911 | [ -d ${DEST} ] && rm -rf ${DEST} | ||
912 | [ -f ${IMAGE} ] && rm -f ${IMAGE} | ||
913 | |||
914 | # all went ok at this point | ||
915 | exit 0 |