Annotation of /trunk/mkinitrd/mkinitrd.sh
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Mon Dec 5 22:45:33 2005 UTC (18 years, 9 months ago) by niro
File MIME type: application/x-sh
File size: 21861 byte(s)
Mon Dec 5 22:45:33 2005 UTC (18 years, 9 months ago) by niro
File MIME type: application/x-sh
File size: 21861 byte(s)
- reimplementet loppback functionality - temporaly reduced image to 4mb
1 | niro | 290 | #!/bin/bash |
2 | niro | 301 | # $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd/mkinitrd.sh,v 1.5 2005-12-05 22:45:33 niro Exp $ |
3 | niro | 290 | |
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:$PATH | ||
34 | export PATH | ||
35 | |||
36 | VERSION=5.0.8 | ||
37 | |||
38 | PROBE="yes" | ||
39 | MODULES="" | ||
40 | PREMODS="" | ||
41 | |||
42 | niro | 293 | [ -e /etc/conf.d/mkinitrd ] && . /etc/conf.d/mkinitrd |
43 | niro | 290 | |
44 | niro | 293 | CONFMODS="${MODULES}" |
45 | niro | 290 | MODULES="" |
46 | |||
47 | compress=1 | ||
48 | allowmissing="" | ||
49 | target="" | ||
50 | kernel="" | ||
51 | force="" | ||
52 | verbose="" | ||
53 | img_vers="" | ||
54 | builtins="" | ||
55 | modulefile=/etc/modules.conf | ||
56 | rc=0 | ||
57 | |||
58 | niro | 301 | IMAGESIZE=4000 |
59 | niro | 290 | PRESCSIMODS="sd_mod" |
60 | fstab="/etc/fstab" | ||
61 | |||
62 | vg_list="" | ||
63 | |||
64 | die() { echo "Error: $@"; exit 1; } | ||
65 | add_initrd() { echo "$@" >> ${DEST}/init || die; } | ||
66 | |||
67 | DEST="$(mktemp -d)" | ||
68 | IMAGE="$(mktemp)" | ||
69 | |||
70 | usage() | ||
71 | { | ||
72 | echo "usage: $(basename $0) [--version] [--help] [-v] [-f] [--preload <module>]" | ||
73 | echo " [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]" | ||
74 | echo " [--image-version] [--force-scsi-probe | --omit-raid-modules]" | ||
75 | echo " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]" | ||
76 | echo " [--builtin=<module>] " | ||
77 | echo " [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>" | ||
78 | echo | ||
79 | echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)" | ||
80 | |||
81 | exit 0 | ||
82 | } | ||
83 | |||
84 | moduledep() | ||
85 | { | ||
86 | if [ ! -f "/lib/modules/${kernel}/modules.dep" ] | ||
87 | then | ||
88 | die "No dep file found for kernel ${kernel}" | ||
89 | fi | ||
90 | |||
91 | echo "Looking for deps of module $1" | ||
92 | deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \ | ||
93 | function modname(filename) { match(filename, /\/([^\/]+)\.k?o:?$/, ret); return ret[1] } \ | ||
94 | function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \ | ||
95 | /^\/lib/ { show(); \ | ||
96 | orig=modname($1); dep=""; \ | ||
97 | if ($2) { for (i = 2; i <= NF; i++) { dep=sprintf("%s %s", dep, modname($i)); } } } \ | ||
98 | /^ / { dep=sprintf("%s %s", dep, modname($1)); } \ | ||
99 | END { show(); exit(rc) }' /lib/modules/${kernel}/modules.dep $1) | ||
100 | [ -n "${deps}" ] && echo ":${deps}" || echo | ||
101 | } | ||
102 | |||
103 | findone() { /usr/bin/find "$@" | /bin/awk '{ print $1; exit; }'; } | ||
104 | findall() { /usr/bin/find "$@"; } | ||
105 | |||
106 | findmodule() | ||
107 | { | ||
108 | skiperrors="" | ||
109 | |||
110 | if [[ $1 = --skiperrors ]] | ||
111 | then | ||
112 | skiperrors=--skiperrors | ||
113 | shift | ||
114 | fi | ||
115 | |||
116 | local modName=$1 | ||
117 | |||
118 | if [ "${modName}" = "off" -o "${modName}" = "null" ] | ||
119 | then | ||
120 | return | ||
121 | fi | ||
122 | |||
123 | if [ $(echo ${modName} | cut -b1) = "-" ] | ||
124 | then | ||
125 | skiperrors=--skiperrors | ||
126 | modName=$(echo ${modName} | cut -b2-) | ||
127 | fi | ||
128 | |||
129 | case "${MODULES} " in | ||
130 | *"/${modName}.ko "*) return ;; | ||
131 | esac | ||
132 | |||
133 | if echo ${builtins} | egrep -q '(^| )'${modName}'( |$)' | ||
134 | then | ||
135 | echo "module ${modName} assumed to be built in" | ||
136 | return | ||
137 | fi | ||
138 | |||
139 | # special cases | ||
140 | if [[ ${modName} = i2o_block ]] | ||
141 | then | ||
142 | findmodule i2o_core | ||
143 | findmodule -i2o_pci | ||
144 | modName="i2o_block" | ||
145 | elif [[ ${modName} = ppa ]] | ||
146 | then | ||
147 | findmodule parport | ||
148 | findmodule parport_pc | ||
149 | modName="ppa" | ||
150 | elif [[ ${modName} = sbp2 ]] | ||
151 | then | ||
152 | findmodule ieee1394 | ||
153 | findmodule ohci1394 | ||
154 | modName="sbp2" | ||
155 | else | ||
156 | moduledep ${modName} | ||
157 | for i in ${deps} | ||
158 | do | ||
159 | findmodule ${i} | ||
160 | done | ||
161 | fi | ||
162 | |||
163 | for modExt in o.gz o ko | ||
164 | do | ||
165 | for modDir in /lib/modules/${kernel}/updates /lib/modules/${kernel} | ||
166 | do | ||
167 | if [ -d ${modDir} ] | ||
168 | then | ||
169 | fmPath=$(findone ${modDir} -name ${modName}.${modExt}) | ||
170 | if [ -f "${fmPath}" ] | ||
171 | then | ||
172 | break 2 | ||
173 | fi | ||
174 | fi | ||
175 | done | ||
176 | done | ||
177 | |||
178 | if [ ! -f ${fmPath} ] | ||
179 | then | ||
180 | if [ -n "${skiperrors}" ] | ||
181 | then | ||
182 | return | ||
183 | fi | ||
184 | |||
185 | # ignore the absence of the scsi modules | ||
186 | for n in ${PRESCSIMODS} | ||
187 | do | ||
188 | if [[ ${n} = ${modName} ]] | ||
189 | then | ||
190 | return | ||
191 | fi | ||
192 | done | ||
193 | |||
194 | if [ -n "${allowmissing}" ] | ||
195 | then | ||
196 | echo "WARNING: No module ${modName} found for kernel ${kernel}, continuing anyway" | ||
197 | return | ||
198 | fi | ||
199 | |||
200 | die "No module ${modName} found for kernel ${kernel}, aborting." | ||
201 | fi | ||
202 | |||
203 | # only need to add each module once | ||
204 | MODULES="${MODULES} ${fmPath}" | ||
205 | } | ||
206 | |||
207 | inst() | ||
208 | { | ||
209 | if [ "$#" != "2" ] | ||
210 | then | ||
211 | echo "usage: inst <file> <destination>" | ||
212 | return | ||
213 | fi | ||
214 | echo "$1 -> $2" | ||
215 | cp $1 $2 | ||
216 | } | ||
217 | |||
218 | findstoragedriver() | ||
219 | { | ||
220 | for device in $@ | ||
221 | do | ||
222 | case " ${handledevices} " in | ||
223 | *" ${device} "*) continue ;; | ||
224 | *) handleddevices="${handleddevices} ${device}" ;; | ||
225 | esac | ||
226 | |||
227 | if [[ "${device}" =~ "md[0-9]+" ]] | ||
228 | then | ||
229 | echo "Found RAID component ${device}" | ||
230 | handleraid "${device}" | ||
231 | continue | ||
232 | fi | ||
233 | echo "Looking for driver for device ${device}" | ||
234 | sysfs=$(findone /sys/block -name ${device} -type d) | ||
235 | [ -z "${sysfs}" ] && return | ||
236 | pushd ${sysfs} >/dev/null 2>&1 | ||
237 | while [ ! -L device ] | ||
238 | do | ||
239 | [[ ${PWD} = /sys ]] && continue 2 | ||
240 | cd .. | ||
241 | done | ||
242 | cd $(readlink ./device) | ||
243 | while [ ! -f modalias ] | ||
244 | do | ||
245 | [[ ${PWD} = /sys/devices ]] && continue 2 | ||
246 | cd .. | ||
247 | done | ||
248 | modalias=$(cat modalias) | ||
249 | for driver in $(modprobe --set-version ${kernel} --show-depends ${modalias} 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }') | ||
250 | do | ||
251 | findmodule ${driver%%.ko} | ||
252 | done | ||
253 | popd >/dev/null 2>&1 | ||
254 | done | ||
255 | } | ||
256 | |||
257 | handleraid() | ||
258 | { | ||
259 | local start=0 | ||
260 | |||
261 | if [ -n "${noraid}" -o ! -f /proc/mdstat ] | ||
262 | then | ||
263 | return 0 | ||
264 | fi | ||
265 | |||
266 | levels=$(grep "^$1[ ]*:" /proc/mdstat | \ | ||
267 | awk '{ print $4 }') | ||
268 | devs=$(grep "^$1[ ]*:" /proc/mdstat | \ | ||
269 | awk '{ print gensub("\\[[0-9]*\\]","","g",gensub("^md.*raid[0-9]*","","1")) }') | ||
270 | |||
271 | for level in ${levels} | ||
272 | do | ||
273 | case ${level} in | ||
274 | linear) | ||
275 | findmodule linear | ||
276 | start=1 | ||
277 | ;; | ||
278 | multipath) | ||
279 | findmodule multipath | ||
280 | start=1 | ||
281 | ;; | ||
282 | raid[01456]) | ||
283 | findmodule ${level} | ||
284 | start=1 | ||
285 | ;; | ||
286 | *) | ||
287 | error "raid level ${level} (in /proc/mdstat) not recognized" | ||
288 | ;; | ||
289 | esac | ||
290 | done | ||
291 | findstoragedriver ${devs} | ||
292 | if [[ ${start} = 1 ]] | ||
293 | then | ||
294 | raiddevices="${raiddevices} $1" | ||
295 | fi | ||
296 | return ${start} | ||
297 | } | ||
298 | |||
299 | handlelvordev() | ||
300 | { | ||
301 | local vg=$(lvs --noheadings -o vg_name $1 2>/dev/null) | ||
302 | if [ -n "${vg}" ] | ||
303 | then | ||
304 | vg=$(echo ${vg}) # strip whitespace | ||
305 | case " ${vg_list} " in | ||
306 | *" ${vg} "*) | ||
307 | ;; | ||
308 | *) | ||
309 | vg_list="${vg_list} ${vg}" | ||
310 | for device in $(vgdisplay -v ${vg} 2>/dev/null | sed -n 's/PV Name//p') | ||
311 | do | ||
312 | findstoragedriver ${device##/dev/} | ||
313 | done | ||
314 | ;; | ||
315 | esac | ||
316 | else | ||
317 | findstoragedriver ${1##/dev/} | ||
318 | fi | ||
319 | } | ||
320 | |||
321 | # need r00t privs | ||
322 | [[ $(id -u) != 0 ]] && die "you must be r00t." | ||
323 | |||
324 | while [ $# -gt 0 ]; do | ||
325 | case $1 in | ||
326 | --fstab*) | ||
327 | if echo $1 | grep -q '=' ; then | ||
328 | fstab=$(echo $1 | sed 's/^--fstab=//') | ||
329 | else | ||
330 | fstab=$2 | ||
331 | shift | ||
332 | fi | ||
333 | ;; | ||
334 | |||
335 | --with-usb) withusb=yes ;; | ||
336 | |||
337 | --with*) | ||
338 | if echo $1 | grep -q '=' ; then | ||
339 | modname=$(echo $1 | sed 's/^--with=//') | ||
340 | else | ||
341 | modname=$2 | ||
342 | shift | ||
343 | fi | ||
344 | basicmodules="${basicmodules} ${modname}" | ||
345 | ;; | ||
346 | |||
347 | --builtin*) | ||
348 | if echo $1 | grep -q '=' ; then | ||
349 | modname=$(echo $1 | sed 's/^--builtin=//') | ||
350 | else | ||
351 | modname=$2 | ||
352 | shift | ||
353 | fi | ||
354 | builtins="${builtins} ${modname}" | ||
355 | ;; | ||
356 | |||
357 | --version) | ||
358 | echo "mkinitrd: version ${VERSION}" | ||
359 | exit 0 | ||
360 | ;; | ||
361 | |||
362 | -v) verbose=-v ;; | ||
363 | --nocompress) compress="" ;; | ||
364 | --ifneeded) | ||
365 | # legacy | ||
366 | ;; | ||
367 | -f) force=1 ;; | ||
368 | |||
369 | --preload*) | ||
370 | if echo $1 | grep -q '=' ; then | ||
371 | modname=$(echo $1 | sed 's/^--preload=//') | ||
372 | else | ||
373 | modname=$2 | ||
374 | shift | ||
375 | fi | ||
376 | PREMODS="${PREMODS} ${modname}" | ||
377 | ;; | ||
378 | |||
379 | --force-scsi-probe) forcescsi=1 ;; | ||
380 | |||
381 | --omit-scsi-modules) | ||
382 | PRESCSIMODS="" | ||
383 | noscsi=1 | ||
384 | ;; | ||
385 | --force-raid-probe) forceraid=1 ;; | ||
386 | --omit-raid-modules) noraid=1 ;; | ||
387 | --force-lvm-probe) forcelvm=1 ;; | ||
388 | --omit-lvm-modules) nolvm=1 ;; | ||
389 | --force-ide-probe) forceide=1 ;; | ||
390 | --image-version) img_vers=yes ;; | ||
391 | --allow-missing) allowmissing=yes ;; | ||
392 | --noresume) noresume=1 ;; | ||
393 | --help) usage -n ;; | ||
394 | niro | 301 | --initramfs) IMAGE_TYPE=initramfs ;; |
395 | --loopback) IMAGE_TYPE=loopback ;; | ||
396 | niro | 290 | *) |
397 | if [ -z "${target}" ] | ||
398 | then | ||
399 | target=$1 | ||
400 | elif [ -z "${kernel}" ] | ||
401 | then | ||
402 | kernel=$1 | ||
403 | else | ||
404 | usage | ||
405 | fi | ||
406 | ;; | ||
407 | esac | ||
408 | |||
409 | shift | ||
410 | done | ||
411 | |||
412 | niro | 301 | # enforce loopback method as default |
413 | [[ -z ${IMAGE_TYPE} ]] && IMAGE_TYPE=loopback | ||
414 | |||
415 | niro | 290 | if [ -z "${target}" -o -z "${kernel}" ] |
416 | then | ||
417 | usage | ||
418 | fi | ||
419 | |||
420 | if [ -n "${img_vers}" ] | ||
421 | then | ||
422 | target="${target}-${kernel}" | ||
423 | fi | ||
424 | |||
425 | if [ -z "${force}" -a -f ${target} ] | ||
426 | then | ||
427 | die "${target} already exists." | ||
428 | fi | ||
429 | |||
430 | if [ -n "${forcescsi}" -a -n "${noscsi}" ] | ||
431 | then | ||
432 | die "Can't both force scsi probe and omit scsi modules" | ||
433 | fi | ||
434 | |||
435 | if [ -n "${forceraid}" -a -n "${noraid}" ] | ||
436 | then | ||
437 | die "Can't both force raid probe and omit raid modules" | ||
438 | fi | ||
439 | |||
440 | if [ -n "${forcelvm}" -a -n "${nolvm}" ] | ||
441 | then | ||
442 | die "Can't both force LVM probe and omit LVM modules" | ||
443 | fi | ||
444 | |||
445 | if [ ! -d /lib/modules/${kernel} ] | ||
446 | then | ||
447 | die "No modules available for kernel '${kernel}'." | ||
448 | fi | ||
449 | |||
450 | ############################## | ||
451 | ####### get modules ########## | ||
452 | |||
453 | niro | 301 | echo "Creating ${IMAGE_TYPE} initrd image" |
454 | niro | 290 | modulefile=/etc/modprobe.conf |
455 | |||
456 | for n in ${PREMODS} | ||
457 | do | ||
458 | findmodule ${n} | ||
459 | done | ||
460 | |||
461 | needusb="" | ||
462 | if [ -n "${withusb}" -a "x${PROBE}" == "xyes" ] | ||
463 | then | ||
464 | # If / or /boot is on a USB device include the driver. With root by | ||
465 | # label we could still get some odd behaviors | ||
466 | for fs in / /boot | ||
467 | do | ||
468 | esc=$(echo ${fs} | sed 's,/,\\/,g') | ||
469 | dev=$(mount | awk "/ on ${esc} / { print \$1 }" | sed 's/[0-9]*$//' | cut -d/ -f3) | ||
470 | if [ "$(echo ${dev} | cut -c1-2)" = sd ] | ||
471 | then | ||
472 | if [ $(which kudzu 2>/dev/null) ] | ||
473 | then | ||
474 | host=$(kudzu --probe -b scsi | | ||
475 | gawk '/^device: '${dev}'/,/^host:/ { if (/^host/) { print $2; exit; } }') | ||
476 | if [ -d /proc/scsi/usb-storage-${host} -o -f /proc/scsi/usb-storage/${host} ] | ||
477 | then | ||
478 | needusb=1 | ||
479 | fi | ||
480 | fi | ||
481 | fi | ||
482 | done | ||
483 | fi | ||
484 | |||
485 | if [ -n "${needusb}" -a "x${PROBE}" == "xyes" ] | ||
486 | then | ||
487 | drivers=$(awk '/^alias[[:space:]]+usb-controller[0-9]* / { print $3}' < ${modulefile}) | ||
488 | if [ -n "${drivers}" ] | ||
489 | then | ||
490 | for driver in ${drivers} | ||
491 | do | ||
492 | findmodule ${driver} | ||
493 | done | ||
494 | findmodule scsi_mod | ||
495 | findmodule sd_mod | ||
496 | findmodule usb-storage | ||
497 | fi | ||
498 | fi | ||
499 | |||
500 | if [ -n "${forcescsi}" -o -z "${noscsi}" -a "x${PROBE}" == "xyes" ] | ||
501 | then | ||
502 | if [ ! -f ${modulefile} ] | ||
503 | then | ||
504 | modulefile=/etc/conf.modules | ||
505 | fi | ||
506 | |||
507 | if [ -f ${modulefile} ] | ||
508 | then | ||
509 | scsimodules=$(grep "alias[[:space:]]\+scsi_hostadapter" ${modulefile} | grep -v '^[ ]*#' | LC_ALL=C sort -u | awk '{ print $3 }') | ||
510 | |||
511 | if [ -n "${scsimodules}" ] | ||
512 | then | ||
513 | for n in ${PRESCSIMODS} | ||
514 | do | ||
515 | findmodule ${n} | ||
516 | done | ||
517 | |||
518 | for n in ${scsimodules} | ||
519 | do | ||
520 | # for now allow scsi modules to come from anywhere. There are some | ||
521 | # RAID controllers with drivers in block/ | ||
522 | findmodule ${n} | ||
523 | done | ||
524 | fi | ||
525 | fi | ||
526 | fi | ||
527 | |||
528 | # If we have ide devices and module ide, do the right thing | ||
529 | ide=/proc/ide/ide* | ||
530 | if [ -n "${forceide}" -o -n "${ide}" -a "x${PROBE}" == "xyes" ] | ||
531 | then | ||
532 | findmodule -ide-disk | ||
533 | fi | ||
534 | |||
535 | # If we have dasd devices, include the necessary modules (S/390) | ||
536 | if [ "x${PROBE}" == "xyes" -a -d /proc/dasd ] | ||
537 | then | ||
538 | findmodule -dasd_mod | ||
539 | findmodule -dasd_eckd_mod | ||
540 | findmodule -dasd_fba_mod | ||
541 | fi | ||
542 | |||
543 | if [ "x${PROBE}" == "xyes" ] | ||
544 | then | ||
545 | # check to see if we need to set up a loopback filesystem | ||
546 | rootdev=$(awk '/^[ \t]*[^#]/ { if ($2 == "/") { print $1; }}' ${fstab}) | ||
547 | # check if it's root by label | ||
548 | if echo ${rootdev} | cut -c1-6 | grep -q "LABEL=" | ||
549 | then | ||
550 | majmin=$(stat -c "%t:%T" /dev/root) | ||
551 | if [ -n "${majmin}" ] | ||
552 | then | ||
553 | dev=$(findall /sys/block -name dev | while read device ; do \ | ||
554 | echo "${majmin}" | cmp -s ${device} && echo ${device} ; done \ | ||
555 | | sed -e 's,.*/\([^/]\+\)/dev,\1,' ) | ||
556 | if [ -n "${dev}" ]; then | ||
557 | echo "Found root device ${dev} for ${rootdev}" | ||
558 | rootdev=${dev} | ||
559 | fi | ||
560 | fi | ||
561 | fi | ||
562 | if echo ${rootdev} | cut -d/ -f3 | grep -q loop | ||
563 | then | ||
564 | key="^# $(echo ${rootdev} | cut -d/ -f3 | tr '[a-z]' '[A-Z]'):" | ||
565 | if ! grep "${key}" ${fstab} >> /dev/null | ||
566 | then | ||
567 | echo "The root filesystem is on a ${rootdev}, but there is no magic entry in ${fstab}" | ||
568 | echo "for this device. Consult the mkinitrd man page for more information" | ||
569 | echo "loopback root." | ||
570 | exit 1 | ||
571 | fi | ||
572 | |||
573 | line=$(grep "${key}" ${fstab}) | ||
574 | loopDev=$(echo ${line} | awk '{print $3}') | ||
575 | loopFs=$(echo ${line} | awk '{print $4}') | ||
576 | loopFile=$(echo ${line} | awk '{print $5}') | ||
577 | |||
578 | basicmodules="${basicmodules} -loop" | ||
579 | if [ "${loopFs}" = "vfat" -o "${loopFs}" = "msdos" ] | ||
580 | then | ||
581 | basicmodules="${basicmodules} -fat" | ||
582 | fi | ||
583 | basicmodules="${basicmodules} -${loopFs}" | ||
584 | # check if the root fs is on a logical volume | ||
585 | # this check must be last | ||
586 | else | ||
587 | handlelvordev ${rootdev} | ||
588 | fi | ||
589 | |||
590 | rootfs=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $3; }}' ${fstab}) | ||
591 | rootopts=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $4; }}' ${fstab}\ | ||
592 | | sed -e 's/^r[ow],//' -e 's/,r[ow],$//' -e 's/,r[ow],/,/' \ | ||
593 | -e 's/^r[ow]$/defaults/' -e 's/$/,ro/') | ||
594 | |||
595 | # in case the root filesystem is modular | ||
596 | findmodule -${rootfs} | ||
597 | |||
598 | # find the first swap dev which would get used for swsusp | ||
599 | swsuspdev=$(awk '/^[ \t]*[^#]/ { if ($3 == "swap") { print $1; }}' ${fstab} \ | ||
600 | | head -n 1) | ||
601 | if ! echo ${swsuspdev} | cut -c1-6 | grep -q "LABEL=" | ||
602 | then | ||
603 | handlelvordev ${swsupdev} | ||
604 | fi | ||
605 | fi | ||
606 | |||
607 | # If we use LVM or dm-based raid, include dm-mod | ||
608 | # XXX: dm not really supported yet. | ||
609 | testdm="" | ||
610 | [ -n "${vg_list}" ] && testdm="yes" | ||
611 | [ -n "${forceraid}" -o -n "${forcelvm}" ] && testdm="yes" | ||
612 | [ "x${PROBE}" == "xyes" -a \ | ||
613 | -n "$(test -z \"${nolvm}\" -o -z \"${noraid}\")" ] && testdm="yes" | ||
614 | |||
615 | if [ -n "${testdm}" ] | ||
616 | then | ||
617 | if [ -x /sbin/dmsetup -a -e /dev/mapper/control ] | ||
618 | then | ||
619 | dmout=$(/sbin/dmsetup ls 2>/dev/null) | ||
620 | if [ "${dmout}" != "No devices found" -a "${dmout}" != "" ] | ||
621 | then | ||
622 | findmodule -dm-mod | ||
623 | |||
624 | # DM requires all of these to be there in case someone used the | ||
625 | # feature. broken. (#132001) | ||
626 | findmodule -dm-mirror | ||
627 | findmodule -dm-zero | ||
628 | findmodule -dm-snapshot | ||
629 | fi | ||
630 | fi | ||
631 | fi | ||
632 | |||
633 | for n in ${basicmodules} | ||
634 | do | ||
635 | findmodule ${n} | ||
636 | done | ||
637 | |||
638 | for n in ${CONFMODS} | ||
639 | do | ||
640 | findmodule ${n} | ||
641 | done | ||
642 | |||
643 | echo "Using modules:${MODULES}" | ||
644 | |||
645 | ####### eof modules ########## | ||
646 | ############################## | ||
647 | |||
648 | |||
649 | # create basic filesystem layout | ||
650 | install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sys,sysroot} || die | ||
651 | |||
652 | # install busybox | ||
653 | niro | 301 | echo "$(which busybox.mkinitrd)" |
654 | niro | 290 | install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die |
655 | niro | 291 | for i in '[' ash basename cat cut chroot clear cp dirname echo env false find \ |
656 | niro | 301 | grep gunzip gzip init ln ls loadkmap losetup mkdir mknod modprobe more mount mv \ |
657 | pivot_root ps pwd rm rmdir sh sleep test touch true umount uname \ | ||
658 | niro | 291 | xargs yes chmod chown |
659 | niro | 290 | do |
660 | # static links | ||
661 | ln ${DEST}/bin/busybox ${DEST}/bin/${i} || die "${i}" | ||
662 | done | ||
663 | |||
664 | # install run-init | ||
665 | niro | 301 | echo "$(which run-init.mkinitrd)" |
666 | niro | 290 | install -m0755 $(which run-init.mkinitrd) ${DEST}/bin/run-init || die |
667 | |||
668 | niro | 291 | # install insmod.static |
669 | niro | 301 | echo "$(which insmod.static)" |
670 | niro | 291 | install -m0755 $(which insmod.static) ${DEST}/bin/insmod || die |
671 | |||
672 | niro | 290 | # install udev |
673 | cp -a /etc/udev ${DEST}/etc || die | ||
674 | install -m0755 /sbin/udev.static ${DEST}/bin/udev || die | ||
675 | install -m0755 /sbin/udevd.static ${DEST}/bin/udevd || die | ||
676 | install -m0755 /sbin/udevstart.static ${DEST}/bin/udevstart || die | ||
677 | |||
678 | # install lvm | ||
679 | if [ -n "${vg_list}" ] | ||
680 | then | ||
681 | inst /sbin/lvm.static "${DEST}/bin/lvm" | ||
682 | if [ -f /etc/lvm/lvm.conf ] | ||
683 | then | ||
684 | cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/ | ||
685 | fi | ||
686 | fi | ||
687 | |||
688 | # create some needed device nodes | ||
689 | mkdir ${DEST}/dev/mapper || die | ||
690 | mknod ${DEST}/dev/console c 5 1 || die | ||
691 | mknod ${DEST}/dev/null c 1 3 || die | ||
692 | mknod ${DEST}/dev/ram b 1 1 || die | ||
693 | mknod ${DEST}/dev/rtc c 10 135 || die | ||
694 | mknod ${DEST}/dev/systty c 4 0 || die | ||
695 | mknod ${DEST}/dev/tty c 5 0 || die | ||
696 | mknod ${DEST}/dev/zero c 1 5 || die | ||
697 | for ((i=0; i < 13; i++)) | ||
698 | do | ||
699 | mknod ${DEST}/dev/tty${i} c 4 ${i} || die "tty${i}" | ||
700 | done | ||
701 | for ((i=64; i < 68; i++)) | ||
702 | do | ||
703 | mknod ${DEST}/dev/ttyS$((${i} - 64)) c 4 ${i} || die "ttyS$((${i} - 64))" | ||
704 | done | ||
705 | |||
706 | # create init script | ||
707 | :> ${DEST}/init || die | ||
708 | add_initrd '#!/bin/sh' | ||
709 | |||
710 | add_initrd 'mount -t proc proc /proc' | ||
711 | add_initrd 'mount -t sysfs sysfs /sys' | ||
712 | |||
713 | niro | 301 | [[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /' |
714 | |||
715 | niro | 290 | add_initrd 'echo "-- Creating inital device nodes ..."' |
716 | add_initrd 'mount -o mode=0755 -t tmpfs udev /dev' | ||
717 | add_initrd 'mkdir /dev/pts' | ||
718 | add_initrd 'mkdir /dev/shm' | ||
719 | add_initrd 'mkdir /dev/mapper' | ||
720 | add_initrd 'mknod /dev/console c 5 1' | ||
721 | add_initrd 'mknod /dev/null c 1 3' | ||
722 | add_initrd 'mknod /dev/ram b 1 1' | ||
723 | add_initrd 'mknod /dev/rtc c 10 135' | ||
724 | add_initrd 'mknod /dev/systty c 4 0' | ||
725 | add_initrd 'mknod /dev/tty c 5 0' | ||
726 | add_initrd 'mknod /dev/zero c 1 5' | ||
727 | for (( i=0; i < 13; i++ )); do | ||
728 | add_initrd "mknod /dev/tty${i} c 4 ${i}" | ||
729 | done | ||
730 | for (( i=64; i < 68; i++)); do | ||
731 | add_initrd "mknod /dev/ttyS$((${i} - 64)) c 4 ${i}" | ||
732 | done | ||
733 | |||
734 | add_initrd 'echo "-- Starting udevd ..."' | ||
735 | add_initrd 'ln -snf bin /sbin' | ||
736 | add_initrd '/sbin/udevstart' | ||
737 | add_initrd 'ln -snf /proc/self/fd /dev/fd' | ||
738 | add_initrd 'ln -snf fd/0 /dev/stdin' | ||
739 | add_initrd 'ln -snf fd/1 /dev/stdout' | ||
740 | add_initrd 'ln -snf fd/2 /dev/stderr' | ||
741 | add_initrd 'ln -snf /proc/kcore /dev/core' | ||
742 | add_initrd 'touch /dev/.udev' | ||
743 | |||
744 | add_initrd 'echo "-- Setting up hotplug ..."' | ||
745 | add_initrd 'echo "/sbin/hotplug" > /proc/sys/kernel/hotplug' | ||
746 | niro | 292 | # add_initrd 'for i in $(find /lib -type f -name *.ko)' |
747 | # add_initrd 'do' | ||
748 | # add_initrd ' echo "-- Loading module ${i}"' | ||
749 | # add_initrd ' insmod ${i};' | ||
750 | # # handle special cases like usb | ||
751 | # add_initrd ' if [ "${i}" = "usb-storage" ]' | ||
752 | # add_initrd ' then' | ||
753 | # add_initrd ' echo "Waiting 8 seconds for usb-driver initialization."' | ||
754 | # add_initrd ' sleep 8' | ||
755 | # add_initrd ' fi' | ||
756 | # add_initrd 'done' | ||
757 | niro | 290 | |
758 | niro | 292 | # loading detected modules with options |
759 | for MODULE in ${MODULES} | ||
760 | do | ||
761 | text="" | ||
762 | module=$(echo ${MODULE} | sed "s|.*/||" | sed "s/.k\?o$//") | ||
763 | fullmodule=$(echo ${MODULE} | sed "s|.*/||") | ||
764 | |||
765 | options=$(sed -n -e "s/^options[ ][ ]*${module}[ ][ ]*//p" ${modulefile} 2>/dev/null) | ||
766 | |||
767 | if [ -n "${options}" ] | ||
768 | then | ||
769 | echo "Adding module ${module}${text} with options ${options} ..." | ||
770 | else | ||
771 | echo "Adding module ${module}${text} ..." | ||
772 | fi | ||
773 | |||
774 | add_initrd "echo \"-- Loading ${fullmodule} module\"" | ||
775 | add_initrd "insmod /lib/${fullmodule} ${options}" | ||
776 | |||
777 | # Hack - we need a delay after loading usb-storage to give things | ||
778 | # time to settle down before we start looking a block devices | ||
779 | if [ "${module}" = "usb-storage" ] | ||
780 | then | ||
781 | add_initrd 'echo Waiting 8 seconds for driver initialization.' | ||
782 | add_initrd 'sleep 8' | ||
783 | fi | ||
784 | if [ "${module}" = "zfcp" -a -f /etc/zfcp.conf ] | ||
785 | then | ||
786 | add_initrd 'echo Waiting 2 seconds for driver initialization.' | ||
787 | add_initrd 'sleep 2' | ||
788 | cat /etc/zfcp.conf | grep -v "^#" | tr "A-Z" "a-z" | while read DEVICE SCSIID WWPN SCSILUN FCPLUN | ||
789 | do | ||
790 | add_initrd "echo -n ${WWPN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/port_add" | ||
791 | add_initrd "echo -n ${FCPLUN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/${WWPN}/unit_add" | ||
792 | add_initrd "echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online" | ||
793 | done | ||
794 | fi | ||
795 | done | ||
796 | |||
797 | niro | 290 | # lvm support |
798 | if [ -n "${vg_list}" ] | ||
799 | then | ||
800 | add_initrd 'echo Scanning logical volumes' | ||
801 | add_initrd 'lvm vgscan --ignorelockingfailure' | ||
802 | add_initrd 'echo Activating logical volumes' | ||
803 | add_initrd "lvm vgchange -ay --ignorelockingfailure ${vg_list}" | ||
804 | fi | ||
805 | |||
806 | # loopback support | ||
807 | if [ -n "${loopDev}" ] | ||
808 | then | ||
809 | # needed on the host system | ||
810 | install -d /initrd | ||
811 | cp -a ${loopDev} ${DEST}/dev || die | ||
812 | cp -a ${rootdev} ${DEST}/dev || die | ||
813 | add_initrd 'echo "Mounting device containing loopback root filesystem ..."' | ||
814 | add_initrd "mount -t ${loopFs} ${loopDev} /loopfs" | ||
815 | add_initrd "echo Setting up loopback device ${rootdev}" | ||
816 | add_initrd "losetup ${rootdev} /loopfs${loopFile}" | ||
817 | fi | ||
818 | |||
819 | # software suspend | ||
820 | if [ -z "${noresume}" ] | ||
821 | then | ||
822 | add_initrd "resume ${swsuspdev}" | ||
823 | fi | ||
824 | |||
825 | # raid | ||
826 | if [ -n "${raiddevices}" ] | ||
827 | then | ||
828 | for dev in ${raiddevices} | ||
829 | do | ||
830 | cp -a /dev/${dev} ${DEST}/dev || die | ||
831 | add_initrd "raidautorun /dev/${dev}" | ||
832 | done | ||
833 | fi | ||
834 | |||
835 | add_initrd 'echo "-- Mounting sysroot ..."' | ||
836 | add_initrd '. /etc/rootdev' | ||
837 | niro | 301 | add_initrd '[ ! -e ${device} ] && mknod ${device} b ${major} ${minor}' |
838 | niro | 290 | add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' |
839 | add_initrd 'mount /sysroot' | ||
840 | |||
841 | add_initrd 'echo "-- Switching to real sysroot ..."' | ||
842 | add_initrd 'umount /sys' | ||
843 | add_initrd 'umount /proc' | ||
844 | |||
845 | niro | 301 | [[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console' |
846 | if [[ ${IMAGE_TYPE} = loopback ]] | ||
847 | then | ||
848 | add_initrd 'cd /sysroot' | ||
849 | add_initrd 'pivot_root . initrd' | ||
850 | 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" | ||
851 | fi | ||
852 | |||
853 | niro | 290 | chmod +x ${DEST}/init || die |
854 | |||
855 | # setup root block device | ||
856 | [[ -z ${rootdev} ]] && die "no known rootdev found." | ||
857 | echo "device=${rootdev}" > ${DEST}/etc/rootdev || die | ||
858 | echo "major=$(stat -c %t ${rootdev})" >> ${DEST}/etc/rootdev || die | ||
859 | echo "minor=$(stat -c %T ${rootdev})" >> ${DEST}/etc/rootdev || die | ||
860 | echo "rootfs=${rootfs}" >> ${DEST}/etc/rootdev || die | ||
861 | |||
862 | # install detected modules | ||
863 | echo "Coping your modules to '${DEST}/lib' ..." | ||
864 | for MODULE in ${MODULES} | ||
865 | do | ||
866 | if [ -x /usr/bin/strip ] | ||
867 | then | ||
868 | /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die | ||
869 | else | ||
870 | cp ${verbose} -a ${MODULE} ${DEST}/lib || die | ||
871 | fi | ||
872 | done | ||
873 | |||
874 | # create the image | ||
875 | niro | 292 | echo "Creating initrd image '${target}' ..." |
876 | niro | 301 | if [[ ${IMAGE_TYPE} = initramfs ]] |
877 | then | ||
878 | (cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE}) | ||
879 | cat ${IMAGE} > ${target} || die | ||
880 | fi | ||
881 | niro | 290 | |
882 | niro | 301 | if [[ ${IMAGE_TYPE} = loopback ]] |
883 | then | ||
884 | MOUNTTMP="$(mktemp -d)" | ||
885 | |||
886 | # create ext2 img | ||
887 | dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die | ||
888 | mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die | ||
889 | mount -o loop ${IMAGE} ${MOUNTTMP} || die | ||
890 | mv ${DEST}/* ${MOUNTTMP} || die | ||
891 | umount ${MOUNTTMP} || die | ||
892 | gzip -9 ${IMAGE} || die | ||
893 | cat ${IMAGE}.gz > ${target} || die | ||
894 | [ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP} | ||
895 | |||
896 | # create inird dir for pivot_root | ||
897 | [ ! -d /initrd ] && { install -d /initrd || die; } | ||
898 | fi | ||
899 | |||
900 | niro | 290 | # clean up |
901 | [ -d ${DEST} ] && rm -rf ${DEST} | ||
902 | [ -f ${IMAGE} ] && rm -f ${IMAGE} |