Contents of /tags/mkinitrd-6_5_2/mkinitrd.in
Parent Directory | Revision Log
Revision 1522 -
(show annotations)
(download)
Wed Sep 7 18:40:16 2011 UTC (13 years ago) by niro
File size: 22893 byte(s)
Wed Sep 7 18:40:16 2011 UTC (13 years ago) by niro
File size: 22893 byte(s)
tagged 'mkinitrd-6_5_2'
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.?g?z?:?$/, 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 | *"/${modName}.ko "*) return ;; |
135 | *"/${modName}.ko.gz "*) return ;; |
136 | esac |
137 | |
138 | if echo ${builtins} | egrep -q '(^| )'${modName}'( |$)' |
139 | then |
140 | echo "module ${modName} assumed to be built in" |
141 | return |
142 | fi |
143 | |
144 | # special cases |
145 | if [[ ${modName} = i2o_block ]] |
146 | then |
147 | findmodule i2o_core |
148 | findmodule -i2o_pci |
149 | modName="i2o_block" |
150 | elif [[ ${modName} = ppa ]] |
151 | then |
152 | findmodule parport |
153 | findmodule parport_pc |
154 | modName="ppa" |
155 | elif [[ ${modName} = sbp2 ]] |
156 | then |
157 | findmodule ieee1394 |
158 | findmodule ohci1394 |
159 | modName="sbp2" |
160 | else |
161 | moduledep ${modName} |
162 | for i in ${deps} |
163 | do |
164 | findmodule ${i} |
165 | done |
166 | fi |
167 | |
168 | for modExt in o.gz o ko ko.gz |
169 | do |
170 | for modDir in /lib/modules/${kernel}/updates /lib/modules/${kernel} |
171 | do |
172 | if [ -d ${modDir} ] |
173 | then |
174 | fmPath=$(findone ${modDir} -name ${modName}.${modExt}) |
175 | if [ -f "${fmPath}" ] |
176 | then |
177 | break 2 |
178 | fi |
179 | fi |
180 | done |
181 | done |
182 | |
183 | if [ ! -f ${fmPath} ] |
184 | then |
185 | if [ -n "${skiperrors}" ] |
186 | then |
187 | return |
188 | fi |
189 | |
190 | # ignore the absence of the scsi modules |
191 | for n in ${PRESCSIMODS} |
192 | do |
193 | if [[ ${n} = ${modName} ]] |
194 | then |
195 | return |
196 | fi |
197 | done |
198 | |
199 | if [ -n "${allowmissing}" ] |
200 | then |
201 | echo "WARNING: No module ${modName} found for kernel ${kernel}, continuing anyway" |
202 | return |
203 | fi |
204 | |
205 | die "No module ${modName} found for kernel ${kernel}, aborting." |
206 | fi |
207 | |
208 | # only need to add each module once |
209 | MODULES="${MODULES} ${fmPath}" |
210 | } |
211 | |
212 | inst() |
213 | { |
214 | if [ "$#" != "2" ] |
215 | then |
216 | echo "usage: inst <file> <destination>" |
217 | return |
218 | fi |
219 | echo "$1 -> $2" |
220 | cp $1 $2 |
221 | } |
222 | |
223 | findstoragedriver() |
224 | { |
225 | for device in $@ |
226 | do |
227 | case " ${handledevices} " in |
228 | *" ${device} "*) continue ;; |
229 | *) handleddevices="${handleddevices} ${device}" ;; |
230 | esac |
231 | |
232 | if [[ "${device}" =~ "md[0-9]+" ]] |
233 | then |
234 | echo "Found RAID component ${device}" |
235 | handleraid "${device}" |
236 | continue |
237 | fi |
238 | echo "Looking for driver for device ${device}" |
239 | sysfs=$(findone /sys/block -name ${device} -type d) |
240 | [ -z "${sysfs}" ] && return |
241 | pushd ${sysfs} >/dev/null 2>&1 |
242 | while [ ! -L device ] |
243 | do |
244 | [[ ${PWD} = /sys ]] && continue 2 |
245 | cd .. |
246 | done |
247 | cd $(readlink ./device) |
248 | while [ ! -f modalias ] |
249 | do |
250 | [[ ${PWD} = /sys/devices ]] && continue 2 |
251 | cd .. |
252 | done |
253 | modalias=$(cat modalias) |
254 | for driver in $(modprobe --set-version ${kernel} --show-depends ${modalias} 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }') |
255 | do |
256 | findmodule ${driver%%.*} |
257 | done |
258 | popd >/dev/null 2>&1 |
259 | done |
260 | } |
261 | |
262 | handleraid() |
263 | { |
264 | local start=0 |
265 | |
266 | if [ -n "${noraid}" -o ! -f /proc/mdstat ] |
267 | then |
268 | return 0 |
269 | fi |
270 | |
271 | levels=$(grep "^$1[ ]*:" /proc/mdstat | \ |
272 | awk '{ print $4 }') |
273 | devs=$(grep "^$1[ ]*:" /proc/mdstat | \ |
274 | awk '{ print gensub("\\[[0-9]*\\]","","g",gensub("^md.*raid[0-9]*","","1")) }') |
275 | |
276 | for level in ${levels} |
277 | do |
278 | case ${level} in |
279 | linear) |
280 | findmodule linear |
281 | start=1 |
282 | ;; |
283 | multipath) |
284 | findmodule multipath |
285 | start=1 |
286 | ;; |
287 | raid[01456]) |
288 | findmodule ${level} |
289 | start=1 |
290 | ;; |
291 | *) |
292 | error "raid level ${level} (in /proc/mdstat) not recognized" |
293 | ;; |
294 | esac |
295 | done |
296 | findstoragedriver ${devs} |
297 | if [[ ${start} = 1 ]] |
298 | then |
299 | raiddevices="${raiddevices} $1" |
300 | fi |
301 | return ${start} |
302 | } |
303 | |
304 | handlelvordev() |
305 | { |
306 | local vg=$(lvs --noheadings -o vg_name $1 2>/dev/null) |
307 | if [ -n "${vg}" ] |
308 | then |
309 | vg=$(echo ${vg}) # strip whitespace |
310 | case " ${vg_list} " in |
311 | *" ${vg} "*) |
312 | ;; |
313 | *) |
314 | vg_list="${vg_list} ${vg}" |
315 | for device in $(vgdisplay -v ${vg} 2>/dev/null | sed -n 's/PV Name//p') |
316 | do |
317 | findstoragedriver ${device##/dev/} |
318 | done |
319 | ;; |
320 | esac |
321 | else |
322 | findstoragedriver ${1##/dev/} |
323 | fi |
324 | } |
325 | |
326 | get_blkid() |
327 | { |
328 | local UUID |
329 | local SEC_TYPE |
330 | local TYPE |
331 | |
332 | local dev="$1" |
333 | [[ -z ${dev} ]] && die "no dev given" |
334 | |
335 | # check if given device is already an UUID |
336 | if [[ ${dev/UUID=/}x != ${dev}x ]] |
337 | then |
338 | eval "${dev}" |
339 | else |
340 | eval $(busybox.mkinitrd blkid ${dev} | grep "${dev}:" | sed 's/.*:\ //') |
341 | fi |
342 | echo ${UUID} |
343 | } |
344 | |
345 | # need r00t privs |
346 | [[ $(id -u) != 0 ]] && die "you must be r00t." |
347 | |
348 | while [ $# -gt 0 ]; do |
349 | case $1 in |
350 | --fstab*) |
351 | if echo $1 | grep -q '=' ; then |
352 | fstab=$(echo $1 | sed 's/^--fstab=//') |
353 | else |
354 | fstab=$2 |
355 | shift |
356 | fi |
357 | ;; |
358 | |
359 | --with-usb) withusb=yes ;; |
360 | |
361 | --with*) |
362 | if echo $1 | grep -q '=' ; then |
363 | modname=$(echo $1 | sed 's/^--with=//') |
364 | else |
365 | modname=$2 |
366 | shift |
367 | fi |
368 | basicmodules="${basicmodules} ${modname}" |
369 | ;; |
370 | |
371 | --builtin*) |
372 | if echo $1 | grep -q '=' ; then |
373 | modname=$(echo $1 | sed 's/^--builtin=//') |
374 | else |
375 | modname=$2 |
376 | shift |
377 | fi |
378 | builtins="${builtins} ${modname}" |
379 | ;; |
380 | |
381 | --version) |
382 | echo "mkinitrd: version ${VERSION}" |
383 | exit 0 |
384 | ;; |
385 | |
386 | -v) verbose=-v ;; |
387 | --nocompress) compress="" ;; |
388 | --ifneeded) |
389 | # legacy |
390 | ;; |
391 | -f) force=1 ;; |
392 | |
393 | --preload*) |
394 | if echo $1 | grep -q '=' ; then |
395 | modname=$(echo $1 | sed 's/^--preload=//') |
396 | else |
397 | modname=$2 |
398 | shift |
399 | fi |
400 | PREMODS="${PREMODS} ${modname}" |
401 | ;; |
402 | |
403 | --force-scsi-probe) forcescsi=1 ;; |
404 | |
405 | --omit-scsi-modules) |
406 | PRESCSIMODS="" |
407 | noscsi=1 |
408 | ;; |
409 | --force-raid-probe) forceraid=1 ;; |
410 | --omit-raid-modules) noraid=1 ;; |
411 | --force-lvm-probe) forcelvm=1 ;; |
412 | --omit-lvm-modules) nolvm=1 ;; |
413 | --force-ide-probe) forceide=1 ;; |
414 | --image-version) img_vers=yes ;; |
415 | --allow-missing) allowmissing=yes ;; |
416 | --noresume) noresume=1 ;; |
417 | --help) usage -n ;; |
418 | --initramfs) IMAGE_TYPE=initramfs ;; |
419 | --loopback) IMAGE_TYPE=loopback ;; |
420 | --no-strip) NOSTRIP=true ;; |
421 | --initexec*) |
422 | if echo $1 | grep -q '=' ; then |
423 | INITEXEC=$(echo $1 | sed 's/^--initexec=//') |
424 | else |
425 | INITEXEC=$2 |
426 | shift |
427 | fi |
428 | ;; |
429 | *) |
430 | if [ -z "${target}" ] |
431 | then |
432 | target=$1 |
433 | elif [ -z "${kernel}" ] |
434 | then |
435 | kernel=$1 |
436 | else |
437 | usage |
438 | fi |
439 | ;; |
440 | esac |
441 | |
442 | shift |
443 | done |
444 | |
445 | # enforce initramfs method as default |
446 | [[ -z ${IMAGE_TYPE} ]] && IMAGE_TYPE=initramfs |
447 | |
448 | if [ -z "${target}" -o -z "${kernel}" ] |
449 | then |
450 | usage |
451 | fi |
452 | |
453 | if [ -n "${img_vers}" ] |
454 | then |
455 | target="${target}-${kernel}" |
456 | fi |
457 | |
458 | if [ -z "${force}" -a -f ${target} ] |
459 | then |
460 | die "${target} already exists." |
461 | fi |
462 | |
463 | if [ -n "${forcescsi}" -a -n "${noscsi}" ] |
464 | then |
465 | die "Can't both force scsi probe and omit scsi modules" |
466 | fi |
467 | |
468 | if [ -n "${forceraid}" -a -n "${noraid}" ] |
469 | then |
470 | die "Can't both force raid probe and omit raid modules" |
471 | fi |
472 | |
473 | if [ -n "${forcelvm}" -a -n "${nolvm}" ] |
474 | then |
475 | die "Can't both force LVM probe and omit LVM modules" |
476 | fi |
477 | |
478 | if [ ! -d /lib/modules/${kernel} ] |
479 | then |
480 | die "No modules available for kernel '${kernel}'." |
481 | fi |
482 | |
483 | ############################## |
484 | ####### get modules ########## |
485 | |
486 | echo "Creating ${IMAGE_TYPE} initrd image" |
487 | |
488 | for n in ${PREMODS} |
489 | do |
490 | findmodule ${n} |
491 | done |
492 | |
493 | needusb="" |
494 | if [ -n "${withusb}" -a "x${PROBE}" == "xyes" ] |
495 | then |
496 | # If / or /boot is on a USB device include the driver. With root by |
497 | # label we could still get some odd behaviors |
498 | for fs in / /boot |
499 | do |
500 | esc=$(echo ${fs} | sed 's,/,\\/,g') |
501 | dev=$(mount | awk "/ on ${esc} / { print \$1 }" | sed 's/[0-9]*$//') |
502 | if [ "$(echo ${dev} | cut -c6-7)" = sd ] |
503 | then |
504 | if [ $(which hwinfo 2>/dev/null) ] |
505 | then |
506 | if [[ -n $(hwinfo --disk --only ${dev} | grep 'Driver Modules' | grep 'usb[_|-]storage') ]] |
507 | then |
508 | needusb=1 |
509 | fi |
510 | fi |
511 | fi |
512 | done |
513 | fi |
514 | |
515 | if [ -n "${needusb}" -a "x${PROBE}" == "xyes" ] |
516 | then |
517 | drivers=$(awk '/^alias[[:space:]]+usb-controller[0-9]* / { print $3}' < ${modulefile}) |
518 | if [ -n "${drivers}" ] |
519 | then |
520 | for driver in ${drivers} |
521 | do |
522 | findmodule ${driver} |
523 | done |
524 | findmodule scsi_mod |
525 | findmodule sd_mod |
526 | findmodule usb-storage |
527 | fi |
528 | fi |
529 | |
530 | if [ -n "${forcescsi}" -o -z "${noscsi}" -a "x${PROBE}" == "xyes" ] |
531 | then |
532 | if [ ! -f ${modulefile} ] |
533 | then |
534 | modulefile=/etc/conf.modules |
535 | fi |
536 | |
537 | if [ -f ${modulefile} ] |
538 | then |
539 | scsimodules=$(grep "alias[[:space:]]\+scsi_hostadapter" ${modulefile} | grep -v '^[ ]*#' | LC_ALL=C sort -u | awk '{ print $3 }') |
540 | |
541 | if [ -n "${scsimodules}" ] |
542 | then |
543 | for n in ${PRESCSIMODS} |
544 | do |
545 | findmodule ${n} |
546 | done |
547 | |
548 | for n in ${scsimodules} |
549 | do |
550 | # for now allow scsi modules to come from anywhere. There are some |
551 | # RAID controllers with drivers in block/ |
552 | findmodule ${n} |
553 | done |
554 | fi |
555 | fi |
556 | fi |
557 | |
558 | # If we have ide devices and module ide, do the right thing |
559 | ide=/proc/ide/ide* |
560 | if [ -n "${forceide}" -o -n "${ide}" -a "x${PROBE}" == "xyes" ] |
561 | then |
562 | findmodule -ide-disk |
563 | fi |
564 | |
565 | # If we have dasd devices, include the necessary modules (S/390) |
566 | if [ "x${PROBE}" == "xyes" -a -d /proc/dasd ] |
567 | then |
568 | findmodule -dasd_mod |
569 | findmodule -dasd_eckd_mod |
570 | findmodule -dasd_fba_mod |
571 | fi |
572 | |
573 | if [ "x${PROBE}" == "xyes" ] |
574 | then |
575 | # check to see if we need to set up a loopback filesystem |
576 | rootdev=$(awk '/^[ \t]*[^#]/ { if ($2 == "/") { print $1; }}' ${fstab}) |
577 | # check if it's root by label |
578 | if echo ${rootdev} | cut -c1-6 | grep -q "LABEL=" |
579 | then |
580 | majmin=$(stat -c "%t:%T" /dev/root) |
581 | if [ -n "${majmin}" ] |
582 | then |
583 | dev=$(findall /sys/block -name dev | while read device ; do \ |
584 | echo "${majmin}" | cmp -s ${device} && echo ${device} ; done \ |
585 | | sed -e 's,.*/\([^/]\+\)/dev,\1,' ) |
586 | if [ -n "${dev}" ]; then |
587 | echo "Found root device ${dev} for ${rootdev}" |
588 | rootdev=${dev} |
589 | fi |
590 | fi |
591 | fi |
592 | if echo ${rootdev} | cut -d/ -f3 | grep -q loop |
593 | then |
594 | key="^# $(echo ${rootdev} | cut -d/ -f3 | tr '[a-z]' '[A-Z]'):" |
595 | if ! grep "${key}" ${fstab} >> /dev/null |
596 | then |
597 | echo "The root filesystem is on a ${rootdev}, but there is no magic entry in ${fstab}" |
598 | echo "for this device. Consult the mkinitrd man page for more information" |
599 | echo "loopback root." |
600 | exit 1 |
601 | fi |
602 | |
603 | line=$(grep "${key}" ${fstab}) |
604 | loopDev=$(echo ${line} | awk '{print $3}') |
605 | loopFs=$(echo ${line} | awk '{print $4}') |
606 | loopFile=$(echo ${line} | awk '{print $5}') |
607 | |
608 | basicmodules="${basicmodules} -loop" |
609 | if [ "${loopFs}" = "vfat" -o "${loopFs}" = "msdos" ] |
610 | then |
611 | basicmodules="${basicmodules} -fat" |
612 | fi |
613 | basicmodules="${basicmodules} -${loopFs}" |
614 | # check if the root fs is on a logical volume |
615 | # this check must be last |
616 | else |
617 | handlelvordev ${rootdev} |
618 | fi |
619 | |
620 | rootfs=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $3; }}' ${fstab}) |
621 | rootopts=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $4; }}' ${fstab}\ |
622 | | sed -e 's/^r[ow],//' -e 's/,r[ow],$//' -e 's/,r[ow],/,/' \ |
623 | -e 's/^r[ow]$/defaults/' -e 's/$/,ro/') |
624 | |
625 | # in case the root filesystem is modular |
626 | findmodule -${rootfs} |
627 | |
628 | # find the first swap dev which would get used for swsusp |
629 | swsuspdev=$(awk '/^[ \t]*[^#]/ { if ($3 == "swap") { print $1; }}' ${fstab} \ |
630 | | head -n 1) |
631 | if ! echo ${swsuspdev} | cut -c1-6 | grep -q "LABEL=" |
632 | then |
633 | handlelvordev ${swsupdev} |
634 | fi |
635 | fi |
636 | |
637 | # If we use LVM or dm-based raid, include dm-mod |
638 | # XXX: dm not really supported yet. |
639 | testdm="" |
640 | [ -n "${vg_list}" ] && testdm="yes" |
641 | [ -n "${forceraid}" -o -n "${forcelvm}" ] && testdm="yes" |
642 | [ "x${PROBE}" == "xyes" -a \ |
643 | -n "$(test -z \"${nolvm}\" -o -z \"${noraid}\")" ] && testdm="yes" |
644 | |
645 | if [ -n "${testdm}" ] |
646 | then |
647 | if [ -x /sbin/dmsetup -a -e /dev/mapper/control ] |
648 | then |
649 | dmout=$(/sbin/dmsetup ls 2>/dev/null) |
650 | if [ "${dmout}" != "No devices found" -a "${dmout}" != "" ] |
651 | then |
652 | findmodule -dm-mod |
653 | |
654 | # DM requires all of these to be there in case someone used the |
655 | # feature. broken. (#132001) |
656 | findmodule -dm-mirror |
657 | findmodule -dm-zero |
658 | findmodule -dm-snapshot |
659 | fi |
660 | fi |
661 | fi |
662 | |
663 | for n in ${basicmodules} |
664 | do |
665 | findmodule ${n} |
666 | done |
667 | |
668 | for n in ${CONFMODS} |
669 | do |
670 | findmodule ${n} |
671 | done |
672 | |
673 | echo "Using modules:${MODULES}" |
674 | |
675 | ####### eof modules ########## |
676 | ############################## |
677 | |
678 | |
679 | # create basic filesystem layout |
680 | install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot,usr/bin,usr/sbin} || die |
681 | |
682 | # install busybox |
683 | echo "$(which busybox.mkinitrd)" |
684 | install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die |
685 | for i in '[' ash basename cat cut clear cp dirname echo env false find \ |
686 | grep gunzip gzip ln ls loadkmap mkdir mknod more mount mv \ |
687 | ps pwd rm rmdir sh sleep test touch true umount uname \ |
688 | xargs yes chmod chown |
689 | do |
690 | # use soft links from now on; |
691 | # hardlinks in initramfs apears to be broken on newer kernels |
692 | # -> "request module: runaway loop modprobe binfmt-0000" |
693 | # see: http://www.gossamer-threads.com/lists/linux/kernel/728042 |
694 | ln -s /bin/busybox ${DEST}/bin/${i} || die "${i}" |
695 | done |
696 | |
697 | # sbin related |
698 | for i in chroot init losetup modprobe pivot_root |
699 | do |
700 | ln -s ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}" |
701 | done |
702 | |
703 | # install run-init |
704 | echo "$(which run-init.mkinitrd)" |
705 | install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die |
706 | |
707 | # install insmod.static |
708 | #echo "$(which insmod.static)" |
709 | #install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die |
710 | |
711 | # install v86d for uvesafb support if installed |
712 | if which v86d &> /dev/null |
713 | then |
714 | echo "$(which v86d)" |
715 | install -m0755 $(which v86d) ${DEST}/sbin/v86d || die |
716 | fi |
717 | |
718 | # install lvm |
719 | if [ -n "${vg_list}" ] |
720 | then |
721 | inst /sbin/lvm.static "${DEST}/sbin/lvm" |
722 | if [ -f /etc/lvm/lvm.conf ] |
723 | then |
724 | cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/ |
725 | fi |
726 | fi |
727 | |
728 | # create some needed device nodes |
729 | mkdir ${DEST}/dev/pts || die |
730 | mkdir ${DEST}/dev/shm || die |
731 | mkdir ${DEST}/dev/mapper || die |
732 | mkdir ${DEST}/dev/misc || die |
733 | mkdir ${DEST}/dev/fb || die |
734 | mkdir ${DEST}/dev/vc || die |
735 | mknod ${DEST}/dev/console c 5 1 || die |
736 | mknod ${DEST}/dev/null c 1 3 || die |
737 | mknod ${DEST}/dev/ram b 1 1 || die |
738 | mknod ${DEST}/dev/rtc c 10 135 || die |
739 | mknod ${DEST}/dev/systty c 4 0 || die |
740 | mknod ${DEST}/dev/tty c 5 0 || die |
741 | mknod ${DEST}/dev/zero c 1 5 || die |
742 | for ((i=0; i < 13; i++)) |
743 | do |
744 | mknod ${DEST}/dev/tty${i} c 4 ${i} || die "tty${i}" |
745 | done |
746 | for ((i=64; i < 68; i++)) |
747 | do |
748 | mknod ${DEST}/dev/ttyS$((${i} - 64)) c 4 ${i} || die "ttyS$((${i} - 64))" |
749 | done |
750 | |
751 | # create init script |
752 | :> ${DEST}/init || die |
753 | add_initrd '#!/bin/sh' |
754 | |
755 | add_initrd 'mount -t proc proc /proc' |
756 | add_initrd 'mount -t sysfs sysfs /sys' |
757 | add_initrd 'mount -t tmpfs tmpfs /dev -o rw,mode=0644,size=1024' |
758 | |
759 | [[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /' |
760 | |
761 | # install all busybox applets |
762 | add_initrd 'busybox --install -s' |
763 | |
764 | # silencio |
765 | add_initrd 'echo 0 > /proc/sys/kernel/printk' |
766 | |
767 | add_initrd 'echo "-- Creating initial device nodes ..."' |
768 | # populate dev |
769 | add_initrd 'mdev -s' |
770 | # handle hotplug events properly |
771 | add_initrd 'echo /sbin/mdev > /proc/sys/kernel/hotplug' |
772 | |
773 | # loading detected modules with options |
774 | for MODULE in ${MODULES} |
775 | do |
776 | text="" |
777 | module=$(echo ${MODULE} | sed "s|.*/||" | sed -e "s/.k\?o.\?g\?z\?$//" -e "s/.gz//") |
778 | fullmodule=$(echo ${MODULE} | sed -e "s|.*/||" -e "s/.gz//") |
779 | |
780 | options=$(sed -n -e "s/^options[ ][ ]*${module}[ ][ ]*//p" ${modprobeconf} 2>/dev/null) |
781 | |
782 | if [ -n "${options}" ] |
783 | then |
784 | echo "Adding module ${module}${text} with options ${options} ..." |
785 | else |
786 | echo "Adding module ${module}${text} ..." |
787 | fi |
788 | |
789 | add_initrd "echo \"-- Loading ${fullmodule} module\"" |
790 | add_initrd "insmod /lib/${fullmodule} ${options}" |
791 | |
792 | # Hack - we need a delay after loading usb-storage to give things |
793 | # time to settle down before we start looking a block devices |
794 | if [ "${module}" = "usb-storage" ] |
795 | then |
796 | add_initrd 'echo Waiting 8 seconds for driver initialization.' |
797 | add_initrd 'sleep 8' |
798 | fi |
799 | if [ "${module}" = "zfcp" -a -f /etc/zfcp.conf ] |
800 | then |
801 | add_initrd 'echo Waiting 2 seconds for driver initialization.' |
802 | add_initrd 'sleep 2' |
803 | cat /etc/zfcp.conf | grep -v "^#" | tr "A-Z" "a-z" | while read DEVICE SCSIID WWPN SCSILUN FCPLUN |
804 | do |
805 | add_initrd "echo -n ${WWPN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/port_add" |
806 | add_initrd "echo -n ${FCPLUN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/${WWPN}/unit_add" |
807 | add_initrd "echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online" |
808 | done |
809 | fi |
810 | done |
811 | |
812 | # respect rootdelay kernel param |
813 | add_initrd 'for i in $(cat /proc/cmdline); do case ${i} in rootdelay=*) ROOTDELAY="${i#*=}";; esac; done' |
814 | add_initrd 'if [ ! -z "${ROOTDELAY}" ]; then echo "-- Requested a rootdelay of ${ROOTDELAY} seconds ..."; sleep ${ROOTDELAY};fi' |
815 | |
816 | # lvm support |
817 | if [ -n "${vg_list}" ] |
818 | then |
819 | add_initrd 'echo Scanning logical volumes' |
820 | add_initrd 'lvm vgscan --ignorelockingfailure' |
821 | add_initrd 'echo Activating logical volumes' |
822 | add_initrd "lvm vgchange -ay --ignorelockingfailure ${vg_list}" |
823 | fi |
824 | |
825 | # loopback support |
826 | if [ -n "${loopDev}" ] |
827 | then |
828 | # needed on the host system |
829 | install -d /initrd |
830 | cp -a ${loopDev} ${DEST}/dev || die |
831 | cp -a ${rootdev} ${DEST}/dev || die |
832 | add_initrd 'echo "Mounting device containing loopback root filesystem ..."' |
833 | add_initrd "mount -t ${loopFs} ${loopDev} /loopfs" |
834 | add_initrd "echo Setting up loopback device ${rootdev}" |
835 | add_initrd "losetup ${rootdev} /loopfs${loopFile}" |
836 | fi |
837 | |
838 | # software suspend |
839 | if [ -z "${noresume}" ] |
840 | then |
841 | add_initrd "[ -x /bin/resume ] && resume ${swsuspdev}" |
842 | fi |
843 | |
844 | # raid |
845 | if [ -n "${raiddevices}" ] |
846 | then |
847 | for dev in ${raiddevices} |
848 | do |
849 | cp -a /dev/${dev} ${DEST}/dev || die |
850 | add_initrd "raidautorun /dev/${dev}" |
851 | done |
852 | fi |
853 | |
854 | # get the right initexec |
855 | add_initrd "INITEXEC=\"${INITEXEC}\"" |
856 | # support init=* from cmdline |
857 | add_initrd 'for i in $(cat /proc/cmdline); do case ${i} in init=*) INITEXEC="${i#*=}";; esac; done' |
858 | |
859 | add_initrd 'echo "-- Mounting sysroot ..."' |
860 | add_initrd '. /etc/rootdev' |
861 | add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' |
862 | add_initrd 'mount /sysroot || ash' |
863 | |
864 | # use devtmpfs if supported |
865 | add_initrd "if [ \"\$(grep devtmpfs /proc/filesystems | cut -d$'\t' -f2)\" = \"devtmpfs\" ]; then mount -t devtmpfs dev /sysroot/dev;fi" |
866 | |
867 | # unset hotplug event-manager |
868 | add_initrd 'echo > /proc/sys/kernel/hotplug' |
869 | |
870 | # de-silencio |
871 | add_initrd 'echo 3 > /proc/sys/kernel/printk' |
872 | |
873 | add_initrd 'BREAK_ENABLED=no' |
874 | add_initrd 'for i in $(cat /proc/cmdline); do case ${i} in break) BREAK_ENABLED=yes;; esac; done' |
875 | add_initrd 'if [ "${BREAK_ENABLED}" = "yes" ]; then echo "-- Break requested, type 'exit' to resume operation ..."; ash; fi' |
876 | |
877 | add_initrd 'echo "-- Switching to real sysroot ..."' |
878 | add_initrd 'umount /dev' |
879 | add_initrd 'umount /sys' |
880 | add_initrd 'umount /proc' |
881 | |
882 | [[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot ${INITEXEC} $@ </sysroot/dev/console >/sysroot/dev/console' |
883 | if [[ ${IMAGE_TYPE} = loopback ]] |
884 | then |
885 | add_initrd 'cd /sysroot' |
886 | add_initrd 'pivot_root . initrd' |
887 | 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" |
888 | fi |
889 | |
890 | chmod +x ${DEST}/init || die |
891 | |
892 | # setup root block device |
893 | [[ -z ${rootdev} ]] && die "no known rootdev found." |
894 | echo "device='UUID=$(get_blkid ${rootdev})'" > ${DEST}/etc/rootdev || die |
895 | echo "rootfs='${rootfs}'" >> ${DEST}/etc/rootdev || die |
896 | |
897 | # install detected modules |
898 | echo "Coping your modules to '${DEST}/lib' ..." |
899 | for MODULE in ${MODULES} |
900 | do |
901 | if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]] |
902 | then |
903 | /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die |
904 | # handle gzip compressed modules right |
905 | elif [[ ${MODULE##*.} = gz ]] |
906 | then |
907 | zcat ${verbose} ${MODULE} > ${DEST}/lib/$(basename ${MODULE} .gz) || die |
908 | else |
909 | cp ${verbose} -a ${MODULE} ${DEST}/lib || die |
910 | fi |
911 | done |
912 | |
913 | # create the image |
914 | echo "Creating initrd image '${target}' ..." |
915 | if [[ ${IMAGE_TYPE} = initramfs ]] |
916 | then |
917 | (cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE}) |
918 | cat ${IMAGE} > ${target} || die |
919 | fi |
920 | |
921 | if [[ ${IMAGE_TYPE} = loopback ]] |
922 | then |
923 | MOUNTTMP="$(mktemp -d)" |
924 | |
925 | # create ext2 img |
926 | dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die |
927 | mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die |
928 | mount -o loop ${IMAGE} ${MOUNTTMP} || die |
929 | mv ${DEST}/* ${MOUNTTMP} || die |
930 | umount ${MOUNTTMP} || die |
931 | gzip -9 ${IMAGE} || die |
932 | cat ${IMAGE}.gz > ${target} || die |
933 | [ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP} |
934 | |
935 | # create inird dir for pivot_root |
936 | [ ! -d /initrd ] && { install -d /initrd || die; } |
937 | fi |
938 | |
939 | # clean up |
940 | [ -d ${DEST} ] && rm -rf ${DEST} |
941 | [ -f ${IMAGE} ] && rm -f ${IMAGE} |
942 | |
943 | # all went ok at this point |
944 | exit 0 |