Contents of /trunk/mkinitrd-magellan/mkinitrd.in
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Thu Aug 19 12:24:23 2010 UTC (14 years, 1 month ago) by niro
File size: 21565 byte(s)
Thu Aug 19 12:24:23 2010 UTC (14 years, 1 month ago) by niro
File size: 21565 byte(s)
-dropped kudzu, using hwinfo instead if present
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 | |
48 | compress=1 |
49 | allowmissing="" |
50 | target="" |
51 | kernel="" |
52 | force="" |
53 | verbose="" |
54 | img_vers="" |
55 | builtins="" |
56 | modulefile="/etc/modules.conf" |
57 | modprobeconf="/etc/modprobe.d/*" |
58 | 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 | /^.*kernel/ { show(); \ |
98 | 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 | 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 | # 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 | echo ${UUID} |
340 | } |
341 | |
342 | # 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 ${esc} / { print \$1 }" | sed 's/[0-9]*$//') |
491 | if [ "$(echo ${dev} | cut -c6-7)" = sd ] |
492 | then |
493 | if [ $(which hwinfo 2>/dev/null) ] |
494 | then |
495 | if [[ -n $(hwinfo --disk --only ${dev} | grep 'Driver Modules' | grep 'usb[_|-]storage') ]] |
496 | then |
497 | needusb=1 |
498 | fi |
499 | fi |
500 | fi |
501 | done |
502 | fi |
503 | |
504 | if [ -n "${needusb}" -a "x${PROBE}" == "xyes" ] |
505 | then |
506 | drivers=$(awk '/^alias[[:space:]]+usb-controller[0-9]* / { print $3}' < ${modulefile}) |
507 | if [ -n "${drivers}" ] |
508 | then |
509 | for driver in ${drivers} |
510 | do |
511 | findmodule ${driver} |
512 | done |
513 | findmodule scsi_mod |
514 | findmodule sd_mod |
515 | findmodule usb-storage |
516 | fi |
517 | fi |
518 | |
519 | if [ -n "${forcescsi}" -o -z "${noscsi}" -a "x${PROBE}" == "xyes" ] |
520 | then |
521 | if [ ! -f ${modulefile} ] |
522 | then |
523 | modulefile=/etc/conf.modules |
524 | fi |
525 | |
526 | if [ -f ${modulefile} ] |
527 | then |
528 | scsimodules=$(grep "alias[[:space:]]\+scsi_hostadapter" ${modulefile} | grep -v '^[ ]*#' | LC_ALL=C sort -u | awk '{ print $3 }') |
529 | |
530 | if [ -n "${scsimodules}" ] |
531 | then |
532 | for n in ${PRESCSIMODS} |
533 | do |
534 | findmodule ${n} |
535 | done |
536 | |
537 | for n in ${scsimodules} |
538 | do |
539 | # for now allow scsi modules to come from anywhere. There are some |
540 | # RAID controllers with drivers in block/ |
541 | findmodule ${n} |
542 | done |
543 | fi |
544 | fi |
545 | fi |
546 | |
547 | # If we have ide devices and module ide, do the right thing |
548 | ide=/proc/ide/ide* |
549 | if [ -n "${forceide}" -o -n "${ide}" -a "x${PROBE}" == "xyes" ] |
550 | then |
551 | findmodule -ide-disk |
552 | fi |
553 | |
554 | # If we have dasd devices, include the necessary modules (S/390) |
555 | if [ "x${PROBE}" == "xyes" -a -d /proc/dasd ] |
556 | then |
557 | findmodule -dasd_mod |
558 | findmodule -dasd_eckd_mod |
559 | findmodule -dasd_fba_mod |
560 | fi |
561 | |
562 | if [ "x${PROBE}" == "xyes" ] |
563 | then |
564 | # check to see if we need to set up a loopback filesystem |
565 | rootdev=$(awk '/^[ \t]*[^#]/ { if ($2 == "/") { print $1; }}' ${fstab}) |
566 | # check if it's root by label |
567 | if echo ${rootdev} | cut -c1-6 | grep -q "LABEL=" |
568 | then |
569 | majmin=$(stat -c "%t:%T" /dev/root) |
570 | if [ -n "${majmin}" ] |
571 | then |
572 | dev=$(findall /sys/block -name dev | while read device ; do \ |
573 | echo "${majmin}" | cmp -s ${device} && echo ${device} ; done \ |
574 | | sed -e 's,.*/\([^/]\+\)/dev,\1,' ) |
575 | if [ -n "${dev}" ]; then |
576 | echo "Found root device ${dev} for ${rootdev}" |
577 | rootdev=${dev} |
578 | fi |
579 | fi |
580 | fi |
581 | if echo ${rootdev} | cut -d/ -f3 | grep -q loop |
582 | then |
583 | key="^# $(echo ${rootdev} | cut -d/ -f3 | tr '[a-z]' '[A-Z]'):" |
584 | if ! grep "${key}" ${fstab} >> /dev/null |
585 | then |
586 | echo "The root filesystem is on a ${rootdev}, but there is no magic entry in ${fstab}" |
587 | echo "for this device. Consult the mkinitrd man page for more information" |
588 | echo "loopback root." |
589 | exit 1 |
590 | fi |
591 | |
592 | line=$(grep "${key}" ${fstab}) |
593 | loopDev=$(echo ${line} | awk '{print $3}') |
594 | loopFs=$(echo ${line} | awk '{print $4}') |
595 | loopFile=$(echo ${line} | awk '{print $5}') |
596 | |
597 | basicmodules="${basicmodules} -loop" |
598 | if [ "${loopFs}" = "vfat" -o "${loopFs}" = "msdos" ] |
599 | then |
600 | basicmodules="${basicmodules} -fat" |
601 | fi |
602 | basicmodules="${basicmodules} -${loopFs}" |
603 | # check if the root fs is on a logical volume |
604 | # this check must be last |
605 | else |
606 | handlelvordev ${rootdev} |
607 | fi |
608 | |
609 | rootfs=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $3; }}' ${fstab}) |
610 | rootopts=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $4; }}' ${fstab}\ |
611 | | sed -e 's/^r[ow],//' -e 's/,r[ow],$//' -e 's/,r[ow],/,/' \ |
612 | -e 's/^r[ow]$/defaults/' -e 's/$/,ro/') |
613 | |
614 | # in case the root filesystem is modular |
615 | findmodule -${rootfs} |
616 | |
617 | # find the first swap dev which would get used for swsusp |
618 | swsuspdev=$(awk '/^[ \t]*[^#]/ { if ($3 == "swap") { print $1; }}' ${fstab} \ |
619 | | head -n 1) |
620 | if ! echo ${swsuspdev} | cut -c1-6 | grep -q "LABEL=" |
621 | then |
622 | handlelvordev ${swsupdev} |
623 | fi |
624 | fi |
625 | |
626 | # If we use LVM or dm-based raid, include dm-mod |
627 | # XXX: dm not really supported yet. |
628 | testdm="" |
629 | [ -n "${vg_list}" ] && testdm="yes" |
630 | [ -n "${forceraid}" -o -n "${forcelvm}" ] && testdm="yes" |
631 | [ "x${PROBE}" == "xyes" -a \ |
632 | -n "$(test -z \"${nolvm}\" -o -z \"${noraid}\")" ] && testdm="yes" |
633 | |
634 | if [ -n "${testdm}" ] |
635 | then |
636 | if [ -x /sbin/dmsetup -a -e /dev/mapper/control ] |
637 | then |
638 | dmout=$(/sbin/dmsetup ls 2>/dev/null) |
639 | if [ "${dmout}" != "No devices found" -a "${dmout}" != "" ] |
640 | then |
641 | findmodule -dm-mod |
642 | |
643 | # DM requires all of these to be there in case someone used the |
644 | # feature. broken. (#132001) |
645 | findmodule -dm-mirror |
646 | findmodule -dm-zero |
647 | findmodule -dm-snapshot |
648 | fi |
649 | fi |
650 | fi |
651 | |
652 | for n in ${basicmodules} |
653 | do |
654 | findmodule ${n} |
655 | done |
656 | |
657 | for n in ${CONFMODS} |
658 | do |
659 | findmodule ${n} |
660 | done |
661 | |
662 | echo "Using modules:${MODULES}" |
663 | |
664 | ####### eof modules ########## |
665 | ############################## |
666 | |
667 | |
668 | # create basic filesystem layout |
669 | install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot,usr/bin,usr/sbin} || die |
670 | |
671 | # install busybox |
672 | echo "$(which busybox.mkinitrd)" |
673 | install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die |
674 | for i in '[' ash basename cat cut clear cp dirname echo env false find \ |
675 | grep gunzip gzip ln ls loadkmap mkdir mknod more mount mv \ |
676 | ps pwd rm rmdir sh sleep test touch true umount uname \ |
677 | xargs yes chmod chown |
678 | do |
679 | # use soft links from now on; |
680 | # hardlinks in initramfs apears to be broken on newer kernels |
681 | # -> "request module: runaway loop modprobe binfmt-0000" |
682 | # see: http://www.gossamer-threads.com/lists/linux/kernel/728042 |
683 | ln -s /bin/busybox ${DEST}/bin/${i} || die "${i}" |
684 | done |
685 | |
686 | # sbin related |
687 | for i in chroot init losetup modprobe pivot_root |
688 | do |
689 | ln -s ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}" |
690 | done |
691 | |
692 | # install run-init |
693 | echo "$(which run-init.mkinitrd)" |
694 | install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die |
695 | |
696 | # install insmod.static |
697 | #echo "$(which insmod.static)" |
698 | #install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die |
699 | |
700 | # install v86d for uvesafb support if installed |
701 | if which v86d &> /dev/null |
702 | then |
703 | echo "$(which v86d)" |
704 | install -m0755 $(which v86d) ${DEST}/sbin/v86d || die |
705 | fi |
706 | |
707 | # install lvm |
708 | if [ -n "${vg_list}" ] |
709 | then |
710 | inst /sbin/lvm.static "${DEST}/sbin/lvm" |
711 | if [ -f /etc/lvm/lvm.conf ] |
712 | then |
713 | cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/ |
714 | fi |
715 | fi |
716 | |
717 | # create some needed device nodes |
718 | mkdir ${DEST}/dev/pts || die |
719 | mkdir ${DEST}/dev/shm || die |
720 | mkdir ${DEST}/dev/mapper || die |
721 | mkdir ${DEST}/dev/misc || die |
722 | mkdir ${DEST}/dev/fb || die |
723 | mkdir ${DEST}/dev/vc || die |
724 | mknod ${DEST}/dev/console c 5 1 || die |
725 | mknod ${DEST}/dev/null c 1 3 || die |
726 | mknod ${DEST}/dev/ram b 1 1 || die |
727 | mknod ${DEST}/dev/rtc c 10 135 || die |
728 | mknod ${DEST}/dev/systty c 4 0 || die |
729 | mknod ${DEST}/dev/tty c 5 0 || die |
730 | mknod ${DEST}/dev/zero c 1 5 || die |
731 | for ((i=0; i < 13; i++)) |
732 | do |
733 | mknod ${DEST}/dev/tty${i} c 4 ${i} || die "tty${i}" |
734 | done |
735 | for ((i=64; i < 68; i++)) |
736 | do |
737 | mknod ${DEST}/dev/ttyS$((${i} - 64)) c 4 ${i} || die "ttyS$((${i} - 64))" |
738 | done |
739 | |
740 | # create init script |
741 | :> ${DEST}/init || die |
742 | add_initrd '#!/bin/sh' |
743 | |
744 | add_initrd 'mount -t proc proc /proc' |
745 | add_initrd 'mount -t sysfs sysfs /sys' |
746 | add_initrd 'mount -t tmpfs tmpfs /dev -o rw,mode=0644,size=1024' |
747 | |
748 | [[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /' |
749 | |
750 | # install all busybox applets |
751 | add_initrd 'busybox --install -s' |
752 | |
753 | # silencio |
754 | add_initrd 'echo 0 > /proc/sys/kernel/printk' |
755 | |
756 | add_initrd 'echo "-- Creating initial device nodes ..."' |
757 | # populate dev |
758 | add_initrd 'mdev -s' |
759 | # handle hotplug events properly |
760 | add_initrd 'echo /sbin/mdev > /proc/sys/kernel/hotplug' |
761 | |
762 | # loading detected modules with options |
763 | for MODULE in ${MODULES} |
764 | do |
765 | text="" |
766 | module=$(echo ${MODULE} | sed "s|.*/||" | sed "s/.k\?o$//") |
767 | fullmodule=$(echo ${MODULE} | sed "s|.*/||") |
768 | |
769 | options=$(sed -n -e "s/^options[ ][ ]*${module}[ ][ ]*//p" ${modprobeconf} 2>/dev/null) |
770 | |
771 | if [ -n "${options}" ] |
772 | then |
773 | echo "Adding module ${module}${text} with options ${options} ..." |
774 | else |
775 | echo "Adding module ${module}${text} ..." |
776 | fi |
777 | |
778 | add_initrd "echo \"-- Loading ${fullmodule} module\"" |
779 | add_initrd "insmod /lib/${fullmodule} ${options}" |
780 | |
781 | # Hack - we need a delay after loading usb-storage to give things |
782 | # time to settle down before we start looking a block devices |
783 | if [ "${module}" = "usb-storage" ] |
784 | then |
785 | add_initrd 'echo Waiting 8 seconds for driver initialization.' |
786 | add_initrd 'sleep 8' |
787 | fi |
788 | if [ "${module}" = "zfcp" -a -f /etc/zfcp.conf ] |
789 | then |
790 | add_initrd 'echo Waiting 2 seconds for driver initialization.' |
791 | add_initrd 'sleep 2' |
792 | cat /etc/zfcp.conf | grep -v "^#" | tr "A-Z" "a-z" | while read DEVICE SCSIID WWPN SCSILUN FCPLUN |
793 | do |
794 | add_initrd "echo -n ${WWPN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/port_add" |
795 | add_initrd "echo -n ${FCPLUN} > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/${WWPN}/unit_add" |
796 | add_initrd "echo -n 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE/0x/}/online" |
797 | done |
798 | fi |
799 | done |
800 | |
801 | # lvm support |
802 | if [ -n "${vg_list}" ] |
803 | then |
804 | add_initrd 'echo Scanning logical volumes' |
805 | add_initrd 'lvm vgscan --ignorelockingfailure' |
806 | add_initrd 'echo Activating logical volumes' |
807 | add_initrd "lvm vgchange -ay --ignorelockingfailure ${vg_list}" |
808 | fi |
809 | |
810 | # loopback support |
811 | if [ -n "${loopDev}" ] |
812 | then |
813 | # needed on the host system |
814 | install -d /initrd |
815 | cp -a ${loopDev} ${DEST}/dev || die |
816 | cp -a ${rootdev} ${DEST}/dev || die |
817 | add_initrd 'echo "Mounting device containing loopback root filesystem ..."' |
818 | add_initrd "mount -t ${loopFs} ${loopDev} /loopfs" |
819 | add_initrd "echo Setting up loopback device ${rootdev}" |
820 | add_initrd "losetup ${rootdev} /loopfs${loopFile}" |
821 | fi |
822 | |
823 | # software suspend |
824 | if [ -z "${noresume}" ] |
825 | then |
826 | add_initrd "[ -x /bin/resume ] && resume ${swsuspdev}" |
827 | fi |
828 | |
829 | # raid |
830 | if [ -n "${raiddevices}" ] |
831 | then |
832 | for dev in ${raiddevices} |
833 | do |
834 | cp -a /dev/${dev} ${DEST}/dev || die |
835 | add_initrd "raidautorun /dev/${dev}" |
836 | done |
837 | fi |
838 | |
839 | add_initrd 'echo "-- Mounting sysroot ..."' |
840 | add_initrd '. /etc/rootdev' |
841 | add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' |
842 | add_initrd 'mount /sysroot || ash' |
843 | |
844 | # unset hotplug event-manager |
845 | add_initrd 'echo > /proc/sys/kernel/hotplug' |
846 | |
847 | # de-silencio |
848 | add_initrd 'echo 3 > /proc/sys/kernel/printk' |
849 | |
850 | add_initrd 'echo "-- Switching to real sysroot ..."' |
851 | add_initrd 'umount /dev' |
852 | add_initrd 'umount /sys' |
853 | add_initrd 'umount /proc' |
854 | |
855 | [[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console' |
856 | if [[ ${IMAGE_TYPE} = loopback ]] |
857 | then |
858 | add_initrd 'cd /sysroot' |
859 | add_initrd 'pivot_root . initrd' |
860 | 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" |
861 | fi |
862 | |
863 | chmod +x ${DEST}/init || die |
864 | |
865 | # setup root block device |
866 | [[ -z ${rootdev} ]] && die "no known rootdev found." |
867 | echo "device='UUID=$(get_blkid ${rootdev})'" > ${DEST}/etc/rootdev || die |
868 | echo "rootfs='${rootfs}'" >> ${DEST}/etc/rootdev || die |
869 | |
870 | # install detected modules |
871 | echo "Coping your modules to '${DEST}/lib' ..." |
872 | for MODULE in ${MODULES} |
873 | do |
874 | if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]] |
875 | then |
876 | /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die |
877 | else |
878 | cp ${verbose} -a ${MODULE} ${DEST}/lib || die |
879 | fi |
880 | done |
881 | |
882 | # create the image |
883 | echo "Creating initrd image '${target}' ..." |
884 | if [[ ${IMAGE_TYPE} = initramfs ]] |
885 | then |
886 | (cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE}) |
887 | cat ${IMAGE} > ${target} || die |
888 | fi |
889 | |
890 | if [[ ${IMAGE_TYPE} = loopback ]] |
891 | then |
892 | MOUNTTMP="$(mktemp -d)" |
893 | |
894 | # create ext2 img |
895 | dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die |
896 | mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die |
897 | mount -o loop ${IMAGE} ${MOUNTTMP} || die |
898 | mv ${DEST}/* ${MOUNTTMP} || die |
899 | umount ${MOUNTTMP} || die |
900 | gzip -9 ${IMAGE} || die |
901 | cat ${IMAGE}.gz > ${target} || die |
902 | [ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP} |
903 | |
904 | # create inird dir for pivot_root |
905 | [ ! -d /initrd ] && { install -d /initrd || die; } |
906 | fi |
907 | |
908 | # clean up |
909 | [ -d ${DEST} ] && rm -rf ${DEST} |
910 | [ -f ${IMAGE} ] && rm -f ${IMAGE} |
911 | |
912 | # all went ok at this point |
913 | exit 0 |