Contents of /trunk/mkinitrd-magellan/mkinitrd.in
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Wed Dec 15 21:42:48 2010 UTC (13 years, 9 months ago) by niro
File size: 21970 byte(s)
Wed Dec 15 21:42:48 2010 UTC (13 years, 9 months ago) by niro
File size: 21970 byte(s)
-variable initexec support, also respect init= from kernel cmdline
1 | #!/bin/bash |
2 | # $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd-magellan/mkinitrd.in,v 1.4 2008-06-11 22:11:40 niro Exp $ |
3 | |
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 | INITEXEC="/sbin/init" |
48 | |
49 | compress=1 |
50 | allowmissing="" |
51 | target="" |
52 | kernel="" |
53 | force="" |
54 | verbose="" |
55 | img_vers="" |
56 | builtins="" |
57 | modulefile="/etc/modules.conf" |
58 | modprobeconf="/etc/modprobe.d/*" |
59 | rc=0 |
60 | |
61 | IMAGESIZE=4000 |
62 | PRESCSIMODS="sd_mod" |
63 | fstab="/etc/fstab" |
64 | |
65 | vg_list="" |
66 | |
67 | die() { echo "Error: $@"; exit 1; } |
68 | add_initrd() { echo "$@" >> ${DEST}/init || die; } |
69 | |
70 | DEST="$(mktemp -d)" |
71 | IMAGE="$(mktemp)" |
72 | |
73 | usage() |
74 | { |
75 | echo "usage: $(basename $0) [--version] [--help] [-v] [-f] [--preload <module>]" |
76 | echo " [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]" |
77 | echo " [--image-version] [--force-scsi-probe | --omit-raid-modules]" |
78 | echo " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]" |
79 | echo " [--builtin=<module>] [--initramfs | --loopback] [--no-strip]" |
80 | echo " [--fstab=<fstab>] [--nocompress] [--initexec=<init>]" |
81 | echo " <initrd-image> <kernel-version>" |
82 | echo |
83 | echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)" |
84 | |
85 | exit 0 |
86 | } |
87 | |
88 | moduledep() |
89 | { |
90 | if [ ! -f "/lib/modules/${kernel}/modules.dep" ] |
91 | then |
92 | die "No dep file found for kernel ${kernel}" |
93 | fi |
94 | |
95 | echo "Looking for deps of module $1" |
96 | deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \ |
97 | function modname(filename) { match(filename, /\/([^\/]+)\.k?o:?$/, ret); return ret[1] } \ |
98 | function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \ |
99 | /^.*kernel/ { show(); \ |
100 | orig=modname($1); dep=""; \ |
101 | if ($2) { for (i = 2; i <= NF; i++) { dep=sprintf("%s %s", dep, modname($i)); } } } \ |
102 | /^ / { dep=sprintf("%s %s", dep, modname($1)); } \ |
103 | END { show(); exit(rc) }' /lib/modules/${kernel}/modules.dep $1) |
104 | [ -n "${deps}" ] && echo ":${deps}" || echo |
105 | } |
106 | |
107 | findone() { /usr/bin/find "$@" | /bin/awk '{ print $1; exit; }'; } |
108 | findall() { /usr/bin/find "$@"; } |
109 | |
110 | findmodule() |
111 | { |
112 | skiperrors="" |
113 | |
114 | if [[ $1 = --skiperrors ]] |
115 | then |
116 | skiperrors=--skiperrors |
117 | shift |
118 | fi |
119 | |
120 | local modName=$1 |
121 | |
122 | if [ "${modName}" = "off" -o "${modName}" = "null" ] |
123 | then |
124 | return |
125 | fi |
126 | |
127 | if [ $(echo ${modName} | cut -b1) = "-" ] |
128 | then |
129 | skiperrors=--skiperrors |
130 | modName=$(echo ${modName} | cut -b2-) |
131 | fi |
132 | |
133 | case "${MODULES} " in |
134 | *"/${modName}.ko "*) return ;; |
135 | esac |
136 | |
137 | if echo ${builtins} | egrep -q '(^| )'${modName}'( |$)' |
138 | then |
139 | echo "module ${modName} assumed to be built in" |
140 | return |
141 | fi |
142 | |
143 | # special cases |
144 | if [[ ${modName} = i2o_block ]] |
145 | then |
146 | findmodule i2o_core |
147 | findmodule -i2o_pci |
148 | modName="i2o_block" |
149 | elif [[ ${modName} = ppa ]] |
150 | then |
151 | findmodule parport |
152 | findmodule parport_pc |
153 | modName="ppa" |
154 | elif [[ ${modName} = sbp2 ]] |
155 | then |
156 | findmodule ieee1394 |
157 | findmodule ohci1394 |
158 | modName="sbp2" |
159 | else |
160 | moduledep ${modName} |
161 | for i in ${deps} |
162 | do |
163 | findmodule ${i} |
164 | done |
165 | fi |
166 | |
167 | for modExt in o.gz o ko |
168 | do |
169 | for modDir in /lib/modules/${kernel}/updates /lib/modules/${kernel} |
170 | do |
171 | if [ -d ${modDir} ] |
172 | then |
173 | fmPath=$(findone ${modDir} -name ${modName}.${modExt}) |
174 | if [ -f "${fmPath}" ] |
175 | then |
176 | break 2 |
177 | fi |
178 | fi |
179 | done |
180 | done |
181 | |
182 | if [ ! -f ${fmPath} ] |
183 | then |
184 | if [ -n "${skiperrors}" ] |
185 | then |
186 | return |
187 | fi |
188 | |
189 | # ignore the absence of the scsi modules |
190 | for n in ${PRESCSIMODS} |
191 | do |
192 | if [[ ${n} = ${modName} ]] |
193 | then |
194 | return |
195 | fi |
196 | done |
197 | |
198 | if [ -n "${allowmissing}" ] |
199 | then |
200 | echo "WARNING: No module ${modName} found for kernel ${kernel}, continuing anyway" |
201 | return |
202 | fi |
203 | |
204 | die "No module ${modName} found for kernel ${kernel}, aborting." |
205 | fi |
206 | |
207 | # only need to add each module once |
208 | MODULES="${MODULES} ${fmPath}" |
209 | } |
210 | |
211 | inst() |
212 | { |
213 | if [ "$#" != "2" ] |
214 | then |
215 | echo "usage: inst <file> <destination>" |
216 | return |
217 | fi |
218 | echo "$1 -> $2" |
219 | cp $1 $2 |
220 | } |
221 | |
222 | findstoragedriver() |
223 | { |
224 | for device in $@ |
225 | do |
226 | case " ${handledevices} " in |
227 | *" ${device} "*) continue ;; |
228 | *) handleddevices="${handleddevices} ${device}" ;; |
229 | esac |
230 | |
231 | if [[ "${device}" =~ "md[0-9]+" ]] |
232 | then |
233 | echo "Found RAID component ${device}" |
234 | handleraid "${device}" |
235 | continue |
236 | fi |
237 | echo "Looking for driver for device ${device}" |
238 | sysfs=$(findone /sys/block -name ${device} -type d) |
239 | [ -z "${sysfs}" ] && return |
240 | pushd ${sysfs} >/dev/null 2>&1 |
241 | while [ ! -L device ] |
242 | do |
243 | [[ ${PWD} = /sys ]] && continue 2 |
244 | cd .. |
245 | done |
246 | cd $(readlink ./device) |
247 | while [ ! -f modalias ] |
248 | do |
249 | [[ ${PWD} = /sys/devices ]] && continue 2 |
250 | cd .. |
251 | done |
252 | modalias=$(cat modalias) |
253 | for driver in $(modprobe --set-version ${kernel} --show-depends ${modalias} 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }') |
254 | do |
255 | findmodule ${driver%%.ko} |
256 | done |
257 | popd >/dev/null 2>&1 |
258 | done |
259 | } |
260 | |
261 | handleraid() |
262 | { |
263 | local start=0 |
264 | |
265 | if [ -n "${noraid}" -o ! -f /proc/mdstat ] |
266 | then |
267 | return 0 |
268 | fi |
269 | |
270 | levels=$(grep "^$1[ ]*:" /proc/mdstat | \ |
271 | awk '{ print $4 }') |
272 | devs=$(grep "^$1[ ]*:" /proc/mdstat | \ |
273 | awk '{ print gensub("\\[[0-9]*\\]","","g",gensub("^md.*raid[0-9]*","","1")) }') |
274 | |
275 | for level in ${levels} |
276 | do |
277 | case ${level} in |
278 | linear) |
279 | findmodule linear |
280 | start=1 |
281 | ;; |
282 | multipath) |
283 | findmodule multipath |
284 | start=1 |
285 | ;; |
286 | raid[01456]) |
287 | findmodule ${level} |
288 | start=1 |
289 | ;; |
290 | *) |
291 | error "raid level ${level} (in /proc/mdstat) not recognized" |
292 | ;; |
293 | esac |
294 | done |
295 | findstoragedriver ${devs} |
296 | if [[ ${start} = 1 ]] |
297 | then |
298 | raiddevices="${raiddevices} $1" |
299 | fi |
300 | return ${start} |
301 | } |
302 | |
303 | handlelvordev() |
304 | { |
305 | local vg=$(lvs --noheadings -o vg_name $1 2>/dev/null) |
306 | if [ -n "${vg}" ] |
307 | then |
308 | vg=$(echo ${vg}) # strip whitespace |
309 | case " ${vg_list} " in |
310 | *" ${vg} "*) |
311 | ;; |
312 | *) |
313 | vg_list="${vg_list} ${vg}" |
314 | for device in $(vgdisplay -v ${vg} 2>/dev/null | sed -n 's/PV Name//p') |
315 | do |
316 | findstoragedriver ${device##/dev/} |
317 | done |
318 | ;; |
319 | esac |
320 | else |
321 | findstoragedriver ${1##/dev/} |
322 | fi |
323 | } |
324 | |
325 | get_blkid() |
326 | { |
327 | local UUID |
328 | local SEC_TYPE |
329 | local TYPE |
330 | |
331 | local dev="$1" |
332 | [[ -z ${dev} ]] && die "no dev given" |
333 | |
334 | # check if given device is already an UUID |
335 | if [[ ${dev/UUID=/}x != ${dev}x ]] |
336 | then |
337 | eval "${dev}" |
338 | else |
339 | eval $(busybox.mkinitrd blkid ${dev} | grep "${dev}:" | sed 's/.*:\ //') |
340 | fi |
341 | echo ${UUID} |
342 | } |
343 | |
344 | # need r00t privs |
345 | [[ $(id -u) != 0 ]] && die "you must be r00t." |
346 | |
347 | while [ $# -gt 0 ]; do |
348 | case $1 in |
349 | --fstab*) |
350 | if echo $1 | grep -q '=' ; then |
351 | fstab=$(echo $1 | sed 's/^--fstab=//') |
352 | else |
353 | fstab=$2 |
354 | shift |
355 | fi |
356 | ;; |
357 | |
358 | --with-usb) withusb=yes ;; |
359 | |
360 | --with*) |
361 | if echo $1 | grep -q '=' ; then |
362 | modname=$(echo $1 | sed 's/^--with=//') |
363 | else |
364 | modname=$2 |
365 | shift |
366 | fi |
367 | basicmodules="${basicmodules} ${modname}" |
368 | ;; |
369 | |
370 | --builtin*) |
371 | if echo $1 | grep -q '=' ; then |
372 | modname=$(echo $1 | sed 's/^--builtin=//') |
373 | else |
374 | modname=$2 |
375 | shift |
376 | fi |
377 | builtins="${builtins} ${modname}" |
378 | ;; |
379 | |
380 | --version) |
381 | echo "mkinitrd: version ${VERSION}" |
382 | exit 0 |
383 | ;; |
384 | |
385 | -v) verbose=-v ;; |
386 | --nocompress) compress="" ;; |
387 | --ifneeded) |
388 | # legacy |
389 | ;; |
390 | -f) force=1 ;; |
391 | |
392 | --preload*) |
393 | if echo $1 | grep -q '=' ; then |
394 | modname=$(echo $1 | sed 's/^--preload=//') |
395 | else |
396 | modname=$2 |
397 | shift |
398 | fi |
399 | PREMODS="${PREMODS} ${modname}" |
400 | ;; |
401 | |
402 | --force-scsi-probe) forcescsi=1 ;; |
403 | |
404 | --omit-scsi-modules) |
405 | PRESCSIMODS="" |
406 | noscsi=1 |
407 | ;; |
408 | --force-raid-probe) forceraid=1 ;; |
409 | --omit-raid-modules) noraid=1 ;; |
410 | --force-lvm-probe) forcelvm=1 ;; |
411 | --omit-lvm-modules) nolvm=1 ;; |
412 | --force-ide-probe) forceide=1 ;; |
413 | --image-version) img_vers=yes ;; |
414 | --allow-missing) allowmissing=yes ;; |
415 | --noresume) noresume=1 ;; |
416 | --help) usage -n ;; |
417 | --initramfs) IMAGE_TYPE=initramfs ;; |
418 | --loopback) IMAGE_TYPE=loopback ;; |
419 | --no-strip) NOSTRIP=true ;; |
420 | --initexec*) |
421 | if echo $1 | grep -q '=' ; then |
422 | INITEXEC=$(echo $1 | sed 's/^--initexec=//') |
423 | else |
424 | INITEXEC=$2 |
425 | shift |
426 | fi |
427 | ;; |
428 | *) |
429 | if [ -z "${target}" ] |
430 | then |
431 | target=$1 |
432 | elif [ -z "${kernel}" ] |
433 | then |
434 | kernel=$1 |
435 | else |
436 | usage |
437 | fi |
438 | ;; |
439 | esac |
440 | |
441 | shift |
442 | done |
443 | |
444 | # enforce initramfs method as default |
445 | [[ -z ${IMAGE_TYPE} ]] && IMAGE_TYPE=initramfs |
446 | |
447 | if [ -z "${target}" -o -z "${kernel}" ] |
448 | then |
449 | usage |
450 | fi |
451 | |
452 | if [ -n "${img_vers}" ] |
453 | then |
454 | target="${target}-${kernel}" |
455 | fi |
456 | |
457 | if [ -z "${force}" -a -f ${target} ] |
458 | then |
459 | die "${target} already exists." |
460 | fi |
461 | |
462 | if [ -n "${forcescsi}" -a -n "${noscsi}" ] |
463 | then |
464 | die "Can't both force scsi probe and omit scsi modules" |
465 | fi |
466 | |
467 | if [ -n "${forceraid}" -a -n "${noraid}" ] |
468 | then |
469 | die "Can't both force raid probe and omit raid modules" |
470 | fi |
471 | |
472 | if [ -n "${forcelvm}" -a -n "${nolvm}" ] |
473 | then |
474 | die "Can't both force LVM probe and omit LVM modules" |
475 | fi |
476 | |
477 | if [ ! -d /lib/modules/${kernel} ] |
478 | then |
479 | die "No modules available for kernel '${kernel}'." |
480 | fi |
481 | |
482 | ############################## |
483 | ####### get modules ########## |
484 | |
485 | echo "Creating ${IMAGE_TYPE} initrd image" |
486 | |
487 | for n in ${PREMODS} |
488 | do |
489 | findmodule ${n} |
490 | done |
491 | |
492 | needusb="" |
493 | if [ -n "${withusb}" -a "x${PROBE}" == "xyes" ] |
494 | then |
495 | # If / or /boot is on a USB device include the driver. With root by |
496 | # label we could still get some odd behaviors |
497 | for fs in / /boot |
498 | do |
499 | esc=$(echo ${fs} | sed 's,/,\\/,g') |
500 | dev=$(mount | awk "/ on ${esc} / { print \$1 }" | sed 's/[0-9]*$//') |
501 | if [ "$(echo ${dev} | cut -c6-7)" = sd ] |
502 | then |
503 | if [ $(which hwinfo 2>/dev/null) ] |
504 | then |
505 | if [[ -n $(hwinfo --disk --only ${dev} | grep 'Driver Modules' | grep 'usb[_|-]storage') ]] |
506 | then |
507 | needusb=1 |
508 | fi |
509 | fi |
510 | fi |
511 | done |
512 | fi |
513 | |
514 | if [ -n "${needusb}" -a "x${PROBE}" == "xyes" ] |
515 | then |
516 | drivers=$(awk '/^alias[[:space:]]+usb-controller[0-9]* / { print $3}' < ${modulefile}) |
517 | if [ -n "${drivers}" ] |
518 | then |
519 | for driver in ${drivers} |
520 | do |
521 | findmodule ${driver} |
522 | done |
523 | findmodule scsi_mod |
524 | findmodule sd_mod |
525 | findmodule usb-storage |
526 | fi |
527 | fi |
528 | |
529 | if [ -n "${forcescsi}" -o -z "${noscsi}" -a "x${PROBE}" == "xyes" ] |
530 | then |
531 | if [ ! -f ${modulefile} ] |
532 | then |
533 | modulefile=/etc/conf.modules |
534 | fi |
535 | |
536 | if [ -f ${modulefile} ] |
537 | then |
538 | scsimodules=$(grep "alias[[:space:]]\+scsi_hostadapter" ${modulefile} | grep -v '^[ ]*#' | LC_ALL=C sort -u | awk '{ print $3 }') |
539 | |
540 | if [ -n "${scsimodules}" ] |
541 | then |
542 | for n in ${PRESCSIMODS} |
543 | do |
544 | findmodule ${n} |
545 | done |
546 | |
547 | for n in ${scsimodules} |
548 | do |
549 | # for now allow scsi modules to come from anywhere. There are some |
550 | # RAID controllers with drivers in block/ |
551 | findmodule ${n} |
552 | done |
553 | fi |
554 | fi |
555 | fi |
556 | |
557 | # If we have ide devices and module ide, do the right thing |
558 | ide=/proc/ide/ide* |
559 | if [ -n "${forceide}" -o -n "${ide}" -a "x${PROBE}" == "xyes" ] |
560 | then |
561 | findmodule -ide-disk |
562 | fi |
563 | |
564 | # If we have dasd devices, include the necessary modules (S/390) |
565 | if [ "x${PROBE}" == "xyes" -a -d /proc/dasd ] |
566 | then |
567 | findmodule -dasd_mod |
568 | findmodule -dasd_eckd_mod |
569 | findmodule -dasd_fba_mod |
570 | fi |
571 | |
572 | if [ "x${PROBE}" == "xyes" ] |
573 | then |
574 | # check to see if we need to set up a loopback filesystem |
575 | rootdev=$(awk '/^[ \t]*[^#]/ { if ($2 == "/") { print $1; }}' ${fstab}) |
576 | # check if it's root by label |
577 | if echo ${rootdev} | cut -c1-6 | grep -q "LABEL=" |
578 | then |
579 | majmin=$(stat -c "%t:%T" /dev/root) |
580 | if [ -n "${majmin}" ] |
581 | then |
582 | dev=$(findall /sys/block -name dev | while read device ; do \ |
583 | echo "${majmin}" | cmp -s ${device} && echo ${device} ; done \ |
584 | | sed -e 's,.*/\([^/]\+\)/dev,\1,' ) |
585 | if [ -n "${dev}" ]; then |
586 | echo "Found root device ${dev} for ${rootdev}" |
587 | rootdev=${dev} |
588 | fi |
589 | fi |
590 | fi |
591 | if echo ${rootdev} | cut -d/ -f3 | grep -q loop |
592 | then |
593 | key="^# $(echo ${rootdev} | cut -d/ -f3 | tr '[a-z]' '[A-Z]'):" |
594 | if ! grep "${key}" ${fstab} >> /dev/null |
595 | then |
596 | echo "The root filesystem is on a ${rootdev}, but there is no magic entry in ${fstab}" |
597 | echo "for this device. Consult the mkinitrd man page for more information" |
598 | echo "loopback root." |
599 | exit 1 |
600 | fi |
601 | |
602 | line=$(grep "${key}" ${fstab}) |
603 | loopDev=$(echo ${line} | awk '{print $3}') |
604 | loopFs=$(echo ${line} | awk '{print $4}') |
605 | loopFile=$(echo ${line} | awk '{print $5}') |
606 | |
607 | basicmodules="${basicmodules} -loop" |
608 | if [ "${loopFs}" = "vfat" -o "${loopFs}" = "msdos" ] |
609 | then |
610 | basicmodules="${basicmodules} -fat" |
611 | fi |
612 | basicmodules="${basicmodules} -${loopFs}" |
613 | # check if the root fs is on a logical volume |
614 | # this check must be last |
615 | else |
616 | handlelvordev ${rootdev} |
617 | fi |
618 | |
619 | rootfs=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $3; }}' ${fstab}) |
620 | rootopts=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $4; }}' ${fstab}\ |
621 | | sed -e 's/^r[ow],//' -e 's/,r[ow],$//' -e 's/,r[ow],/,/' \ |
622 | -e 's/^r[ow]$/defaults/' -e 's/$/,ro/') |
623 | |
624 | # in case the root filesystem is modular |
625 | findmodule -${rootfs} |
626 | |
627 | # find the first swap dev which would get used for swsusp |
628 | swsuspdev=$(awk '/^[ \t]*[^#]/ { if ($3 == "swap") { print $1; }}' ${fstab} \ |
629 | | head -n 1) |
630 | if ! echo ${swsuspdev} | cut -c1-6 | grep -q "LABEL=" |
631 | then |
632 | handlelvordev ${swsupdev} |
633 | fi |
634 | fi |
635 | |
636 | # If we use LVM or dm-based raid, include dm-mod |
637 | # XXX: dm not really supported yet. |
638 | testdm="" |
639 | [ -n "${vg_list}" ] && testdm="yes" |
640 | [ -n "${forceraid}" -o -n "${forcelvm}" ] && testdm="yes" |
641 | [ "x${PROBE}" == "xyes" -a \ |
642 | -n "$(test -z \"${nolvm}\" -o -z \"${noraid}\")" ] && testdm="yes" |
643 | |
644 | if [ -n "${testdm}" ] |
645 | then |
646 | if [ -x /sbin/dmsetup -a -e /dev/mapper/control ] |
647 | then |
648 | dmout=$(/sbin/dmsetup ls 2>/dev/null) |
649 | if [ "${dmout}" != "No devices found" -a "${dmout}" != "" ] |
650 | then |
651 | findmodule -dm-mod |
652 | |
653 | # DM requires all of these to be there in case someone used the |
654 | # feature. broken. (#132001) |
655 | findmodule -dm-mirror |
656 | findmodule -dm-zero |
657 | findmodule -dm-snapshot |
658 | fi |
659 | fi |
660 | fi |
661 | |
662 | for n in ${basicmodules} |
663 | do |
664 | findmodule ${n} |
665 | done |
666 | |
667 | for n in ${CONFMODS} |
668 | do |
669 | findmodule ${n} |
670 | done |
671 | |
672 | echo "Using modules:${MODULES}" |
673 | |
674 | ####### eof modules ########## |
675 | ############################## |
676 | |
677 | |
678 | # create basic filesystem layout |
679 | install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot,usr/bin,usr/sbin} || die |
680 | |
681 | # install busybox |
682 | echo "$(which busybox.mkinitrd)" |
683 | install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die |
684 | for i in '[' ash basename cat cut clear cp dirname echo env false find \ |
685 | grep gunzip gzip ln ls loadkmap mkdir mknod more mount mv \ |
686 | ps pwd rm rmdir sh sleep test touch true umount uname \ |
687 | xargs yes chmod chown |
688 | do |
689 | # use soft links from now on; |
690 | # hardlinks in initramfs apears to be broken on newer kernels |
691 | # -> "request module: runaway loop modprobe binfmt-0000" |
692 | # see: http://www.gossamer-threads.com/lists/linux/kernel/728042 |
693 | ln -s /bin/busybox ${DEST}/bin/${i} || die "${i}" |
694 | done |
695 | |
696 | # sbin related |
697 | for i in chroot init losetup modprobe pivot_root |
698 | do |
699 | ln -s ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}" |
700 | done |
701 | |
702 | # install run-init |
703 | echo "$(which run-init.mkinitrd)" |
704 | install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die |
705 | |
706 | # install insmod.static |
707 | #echo "$(which insmod.static)" |
708 | #install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die |
709 | |
710 | # install v86d for uvesafb support if installed |
711 | if which v86d &> /dev/null |
712 | then |
713 | echo "$(which v86d)" |
714 | install -m0755 $(which v86d) ${DEST}/sbin/v86d || die |
715 | fi |
716 | |
717 | # install lvm |
718 | if [ -n "${vg_list}" ] |
719 | then |
720 | inst /sbin/lvm.static "${DEST}/sbin/lvm" |
721 | if [ -f /etc/lvm/lvm.conf ] |
722 | then |
723 | cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/ |
724 | fi |
725 | fi |
726 | |
727 | # create some needed device nodes |
728 | mkdir ${DEST}/dev/pts || die |
729 | mkdir ${DEST}/dev/shm || die |
730 | mkdir ${DEST}/dev/mapper || die |
731 | mkdir ${DEST}/dev/misc || die |
732 | mkdir ${DEST}/dev/fb || die |
733 | mkdir ${DEST}/dev/vc || die |
734 | mknod ${DEST}/dev/console c 5 1 || die |
735 | mknod ${DEST}/dev/null c 1 3 || die |
736 | mknod ${DEST}/dev/ram b 1 1 || die |
737 | mknod ${DEST}/dev/rtc c 10 135 || die |
738 | mknod ${DEST}/dev/systty c 4 0 || die |
739 | mknod ${DEST}/dev/tty c 5 0 || die |
740 | mknod ${DEST}/dev/zero c 1 5 || die |
741 | for ((i=0; i < 13; i++)) |
742 | do |
743 | mknod ${DEST}/dev/tty${i} c 4 ${i} || die "tty${i}" |
744 | done |
745 | for ((i=64; i < 68; i++)) |
746 | do |
747 | mknod ${DEST}/dev/ttyS$((${i} - 64)) c 4 ${i} || die "ttyS$((${i} - 64))" |
748 | done |
749 | |
750 | # create init script |
751 | :> ${DEST}/init || die |
752 | add_initrd '#!/bin/sh' |
753 | |
754 | add_initrd 'mount -t proc proc /proc' |
755 | add_initrd 'mount -t sysfs sysfs /sys' |
756 | add_initrd 'mount -t tmpfs tmpfs /dev -o rw,mode=0644,size=1024' |
757 | |
758 | [[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /' |
759 | |
760 | # install all busybox applets |
761 | add_initrd 'busybox --install -s' |
762 | |
763 | # silencio |
764 | add_initrd 'echo 0 > /proc/sys/kernel/printk' |
765 | |
766 | add_initrd 'echo "-- Creating initial device nodes ..."' |
767 | # populate dev |
768 | add_initrd 'mdev -s' |
769 | # handle hotplug events properly |
770 | add_initrd 'echo /sbin/mdev > /proc/sys/kernel/hotplug' |
771 | |
772 | # loading detected modules with options |
773 | for MODULE in ${MODULES} |
774 | do |
775 | text="" |
776 | module=$(echo ${MODULE} | sed "s|.*/||" | sed "s/.k\?o$//") |
777 | fullmodule=$(echo ${MODULE} | sed "s|.*/||") |
778 | |
779 | options=$(sed -n -e "s/^options[ ][ ]*${module}[ ][ ]*//p" ${modprobeconf} 2>/dev/null) |
780 | |
781 | if [ -n "${options}" ] |
782 | then |
783 | echo "Adding module ${module}${text} with options ${options} ..." |
784 | else |
785 | echo "Adding module ${module}${text} ..." |
786 | fi |
787 | |
788 | add_initrd "echo \"-- Loading ${fullmodule} module\"" |
789 | add_initrd "insmod /lib/${fullmodule} ${options}" |
790 | |
791 | # Hack - we need a delay after loading usb-storage to give things |
792 | # time to settle down before we start looking a block devices |
793 | if [ "${module}" = "usb-storage" ] |
794 | then |
795 | add_initrd 'echo Waiting 8 seconds for driver initialization.' |
796 | add_initrd 'sleep 8' |
797 | fi |
798 | if [ "${module}" = "zfcp" -a -f /etc/zfcp.conf ] |
799 | then |
800 | add_initrd 'echo Waiting 2 seconds for driver initialization.' |
801 | add_initrd 'sleep 2' |
802 | cat /etc/zfcp.conf | grep -v "^#" | tr "A-Z" "a-z" | while read DEVICE SCSIID WWPN SCSILUN FCPLUN |
803 | do |
804 | add_initrd "echo -n ${WWPN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/port_add" |
805 | add_initrd "echo -n ${FCPLUN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/${WWPN}/unit_add" |
806 | add_initrd "echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online" |
807 | done |
808 | fi |
809 | done |
810 | |
811 | # lvm support |
812 | if [ -n "${vg_list}" ] |
813 | then |
814 | add_initrd 'echo Scanning logical volumes' |
815 | add_initrd 'lvm vgscan --ignorelockingfailure' |
816 | add_initrd 'echo Activating logical volumes' |
817 | add_initrd "lvm vgchange -ay --ignorelockingfailure ${vg_list}" |
818 | fi |
819 | |
820 | # loopback support |
821 | if [ -n "${loopDev}" ] |
822 | then |
823 | # needed on the host system |
824 | install -d /initrd |
825 | cp -a ${loopDev} ${DEST}/dev || die |
826 | cp -a ${rootdev} ${DEST}/dev || die |
827 | add_initrd 'echo "Mounting device containing loopback root filesystem ..."' |
828 | add_initrd "mount -t ${loopFs} ${loopDev} /loopfs" |
829 | add_initrd "echo Setting up loopback device ${rootdev}" |
830 | add_initrd "losetup ${rootdev} /loopfs${loopFile}" |
831 | fi |
832 | |
833 | # software suspend |
834 | if [ -z "${noresume}" ] |
835 | then |
836 | add_initrd "[ -x /bin/resume ] && resume ${swsuspdev}" |
837 | fi |
838 | |
839 | # raid |
840 | if [ -n "${raiddevices}" ] |
841 | then |
842 | for dev in ${raiddevices} |
843 | do |
844 | cp -a /dev/${dev} ${DEST}/dev || die |
845 | add_initrd "raidautorun /dev/${dev}" |
846 | done |
847 | fi |
848 | |
849 | # get the right initexec |
850 | add_initrd "INITEXEC=\"${INITEXEC}\"" |
851 | # support init=* from cmdline |
852 | add_initrd 'for i in $(cat /proc/cmdline); do if [[ ${i} = init=* ]]; then INITEXEC=${i/init=}; fi; done' |
853 | |
854 | add_initrd 'echo "-- Mounting sysroot ..."' |
855 | add_initrd '. /etc/rootdev' |
856 | add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' |
857 | add_initrd 'mount /sysroot || ash' |
858 | |
859 | # unset hotplug event-manager |
860 | add_initrd 'echo > /proc/sys/kernel/hotplug' |
861 | |
862 | # de-silencio |
863 | add_initrd 'echo 3 > /proc/sys/kernel/printk' |
864 | |
865 | add_initrd 'echo "-- Switching to real sysroot ..."' |
866 | add_initrd 'umount /dev' |
867 | add_initrd 'umount /sys' |
868 | add_initrd 'umount /proc' |
869 | |
870 | [[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot ${INITEXEC} $@ </sysroot/dev/console >/sysroot/dev/console' |
871 | if [[ ${IMAGE_TYPE} = loopback ]] |
872 | then |
873 | add_initrd 'cd /sysroot' |
874 | add_initrd 'pivot_root . initrd' |
875 | add_initrd "exec /sbin/chroot . sh -c 'umount -n /initrd >/dev/null 2>&1;exec -a init.new \${INITEXEC}'</dev/console >/dev/console 2>&1" |
876 | fi |
877 | |
878 | chmod +x ${DEST}/init || die |
879 | |
880 | # setup root block device |
881 | [[ -z ${rootdev} ]] && die "no known rootdev found." |
882 | echo "device='UUID=$(get_blkid ${rootdev})'" > ${DEST}/etc/rootdev || die |
883 | echo "rootfs='${rootfs}'" >> ${DEST}/etc/rootdev || die |
884 | |
885 | # install detected modules |
886 | echo "Coping your modules to '${DEST}/lib' ..." |
887 | for MODULE in ${MODULES} |
888 | do |
889 | if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]] |
890 | then |
891 | /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die |
892 | else |
893 | cp ${verbose} -a ${MODULE} ${DEST}/lib || die |
894 | fi |
895 | done |
896 | |
897 | # create the image |
898 | echo "Creating initrd image '${target}' ..." |
899 | if [[ ${IMAGE_TYPE} = initramfs ]] |
900 | then |
901 | (cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE}) |
902 | cat ${IMAGE} > ${target} || die |
903 | fi |
904 | |
905 | if [[ ${IMAGE_TYPE} = loopback ]] |
906 | then |
907 | MOUNTTMP="$(mktemp -d)" |
908 | |
909 | # create ext2 img |
910 | dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die |
911 | mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die |
912 | mount -o loop ${IMAGE} ${MOUNTTMP} || die |
913 | mv ${DEST}/* ${MOUNTTMP} || die |
914 | umount ${MOUNTTMP} || die |
915 | gzip -9 ${IMAGE} || die |
916 | cat ${IMAGE}.gz > ${target} || die |
917 | [ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP} |
918 | |
919 | # create inird dir for pivot_root |
920 | [ ! -d /initrd ] && { install -d /initrd || die; } |
921 | fi |
922 | |
923 | # clean up |
924 | [ -d ${DEST} ] && rm -rf ${DEST} |
925 | [ -f ${IMAGE} ] && rm -f ${IMAGE} |
926 | |
927 | # all went ok at this point |
928 | exit 0 |