Contents of /tags/mkinitrd-6_1_5/mkinitrd.in
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Wed Aug 5 17:52:52 2009 UTC (15 years, 1 month ago) by niro
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Wed Aug 5 17:52:52 2009 UTC (15 years, 1 month ago) by niro
File size: 21765 byte(s)
tagged 'mkinitrd-6_1_5'
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 | rc=0 |
58 | |
59 | IMAGESIZE=4000 |
60 | PRESCSIMODS="sd_mod" |
61 | fstab="/etc/fstab" |
62 | |
63 | vg_list="" |
64 | |
65 | die() { echo "Error: $@"; exit 1; } |
66 | add_initrd() { echo "$@" >> ${DEST}/init || die; } |
67 | |
68 | DEST="$(mktemp -d)" |
69 | IMAGE="$(mktemp)" |
70 | |
71 | usage() |
72 | { |
73 | echo "usage: $(basename $0) [--version] [--help] [-v] [-f] [--preload <module>]" |
74 | echo " [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]" |
75 | echo " [--image-version] [--force-scsi-probe | --omit-raid-modules]" |
76 | echo " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]" |
77 | echo " [--builtin=<module>] [--initramfs | --loopback] [--no-strip]" |
78 | echo " [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>" |
79 | echo |
80 | echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)" |
81 | |
82 | exit 0 |
83 | } |
84 | |
85 | moduledep() |
86 | { |
87 | if [ ! -f "/lib/modules/${kernel}/modules.dep" ] |
88 | then |
89 | die "No dep file found for kernel ${kernel}" |
90 | fi |
91 | |
92 | echo "Looking for deps of module $1" |
93 | deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \ |
94 | function modname(filename) { match(filename, /\/([^\/]+)\.k?o:?$/, ret); return ret[1] } \ |
95 | function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \ |
96 | /^.*kernel/ { show(); \ |
97 | orig=modname($1); dep=""; \ |
98 | if ($2) { for (i = 2; i <= NF; i++) { dep=sprintf("%s %s", dep, modname($i)); } } } \ |
99 | /^ / { dep=sprintf("%s %s", dep, modname($1)); } \ |
100 | END { show(); exit(rc) }' /lib/modules/${kernel}/modules.dep $1) |
101 | [ -n "${deps}" ] && echo ":${deps}" || echo |
102 | } |
103 | |
104 | findone() { /usr/bin/find "$@" | /bin/awk '{ print $1; exit; }'; } |
105 | findall() { /usr/bin/find "$@"; } |
106 | |
107 | findmodule() |
108 | { |
109 | skiperrors="" |
110 | |
111 | if [[ $1 = --skiperrors ]] |
112 | then |
113 | skiperrors=--skiperrors |
114 | shift |
115 | fi |
116 | |
117 | local modName=$1 |
118 | |
119 | if [ "${modName}" = "off" -o "${modName}" = "null" ] |
120 | then |
121 | return |
122 | fi |
123 | |
124 | if [ $(echo ${modName} | cut -b1) = "-" ] |
125 | then |
126 | skiperrors=--skiperrors |
127 | modName=$(echo ${modName} | cut -b2-) |
128 | fi |
129 | |
130 | case "${MODULES} " in |
131 | *"/${modName}.ko "*) return ;; |
132 | esac |
133 | |
134 | if echo ${builtins} | egrep -q '(^| )'${modName}'( |$)' |
135 | then |
136 | echo "module ${modName} assumed to be built in" |
137 | return |
138 | fi |
139 | |
140 | # special cases |
141 | if [[ ${modName} = i2o_block ]] |
142 | then |
143 | findmodule i2o_core |
144 | findmodule -i2o_pci |
145 | modName="i2o_block" |
146 | elif [[ ${modName} = ppa ]] |
147 | then |
148 | findmodule parport |
149 | findmodule parport_pc |
150 | modName="ppa" |
151 | elif [[ ${modName} = sbp2 ]] |
152 | then |
153 | findmodule ieee1394 |
154 | findmodule ohci1394 |
155 | modName="sbp2" |
156 | else |
157 | moduledep ${modName} |
158 | for i in ${deps} |
159 | do |
160 | findmodule ${i} |
161 | done |
162 | fi |
163 | |
164 | for modExt in o.gz o ko |
165 | do |
166 | for modDir in /lib/modules/${kernel}/updates /lib/modules/${kernel} |
167 | do |
168 | if [ -d ${modDir} ] |
169 | then |
170 | fmPath=$(findone ${modDir} -name ${modName}.${modExt}) |
171 | if [ -f "${fmPath}" ] |
172 | then |
173 | break 2 |
174 | fi |
175 | fi |
176 | done |
177 | done |
178 | |
179 | if [ ! -f ${fmPath} ] |
180 | then |
181 | if [ -n "${skiperrors}" ] |
182 | then |
183 | return |
184 | fi |
185 | |
186 | # ignore the absence of the scsi modules |
187 | for n in ${PRESCSIMODS} |
188 | do |
189 | if [[ ${n} = ${modName} ]] |
190 | then |
191 | return |
192 | fi |
193 | done |
194 | |
195 | if [ -n "${allowmissing}" ] |
196 | then |
197 | echo "WARNING: No module ${modName} found for kernel ${kernel}, continuing anyway" |
198 | return |
199 | fi |
200 | |
201 | die "No module ${modName} found for kernel ${kernel}, aborting." |
202 | fi |
203 | |
204 | # only need to add each module once |
205 | MODULES="${MODULES} ${fmPath}" |
206 | } |
207 | |
208 | inst() |
209 | { |
210 | if [ "$#" != "2" ] |
211 | then |
212 | echo "usage: inst <file> <destination>" |
213 | return |
214 | fi |
215 | echo "$1 -> $2" |
216 | cp $1 $2 |
217 | } |
218 | |
219 | findstoragedriver() |
220 | { |
221 | for device in $@ |
222 | do |
223 | case " ${handledevices} " in |
224 | *" ${device} "*) continue ;; |
225 | *) handleddevices="${handleddevices} ${device}" ;; |
226 | esac |
227 | |
228 | if [[ "${device}" =~ "md[0-9]+" ]] |
229 | then |
230 | echo "Found RAID component ${device}" |
231 | handleraid "${device}" |
232 | continue |
233 | fi |
234 | echo "Looking for driver for device ${device}" |
235 | sysfs=$(findone /sys/block -name ${device} -type d) |
236 | [ -z "${sysfs}" ] && return |
237 | pushd ${sysfs} >/dev/null 2>&1 |
238 | while [ ! -L device ] |
239 | do |
240 | [[ ${PWD} = /sys ]] && continue 2 |
241 | cd .. |
242 | done |
243 | cd $(readlink ./device) |
244 | while [ ! -f modalias ] |
245 | do |
246 | [[ ${PWD} = /sys/devices ]] && continue 2 |
247 | cd .. |
248 | done |
249 | modalias=$(cat modalias) |
250 | for driver in $(modprobe --set-version ${kernel} --show-depends ${modalias} 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }') |
251 | do |
252 | findmodule ${driver%%.ko} |
253 | done |
254 | popd >/dev/null 2>&1 |
255 | done |
256 | } |
257 | |
258 | handleraid() |
259 | { |
260 | local start=0 |
261 | |
262 | if [ -n "${noraid}" -o ! -f /proc/mdstat ] |
263 | then |
264 | return 0 |
265 | fi |
266 | |
267 | levels=$(grep "^$1[ ]*:" /proc/mdstat | \ |
268 | awk '{ print $4 }') |
269 | devs=$(grep "^$1[ ]*:" /proc/mdstat | \ |
270 | awk '{ print gensub("\\[[0-9]*\\]","","g",gensub("^md.*raid[0-9]*","","1")) }') |
271 | |
272 | for level in ${levels} |
273 | do |
274 | case ${level} in |
275 | linear) |
276 | findmodule linear |
277 | start=1 |
278 | ;; |
279 | multipath) |
280 | findmodule multipath |
281 | start=1 |
282 | ;; |
283 | raid[01456]) |
284 | findmodule ${level} |
285 | start=1 |
286 | ;; |
287 | *) |
288 | error "raid level ${level} (in /proc/mdstat) not recognized" |
289 | ;; |
290 | esac |
291 | done |
292 | findstoragedriver ${devs} |
293 | if [[ ${start} = 1 ]] |
294 | then |
295 | raiddevices="${raiddevices} $1" |
296 | fi |
297 | return ${start} |
298 | } |
299 | |
300 | handlelvordev() |
301 | { |
302 | local vg=$(lvs --noheadings -o vg_name $1 2>/dev/null) |
303 | if [ -n "${vg}" ] |
304 | then |
305 | vg=$(echo ${vg}) # strip whitespace |
306 | case " ${vg_list} " in |
307 | *" ${vg} "*) |
308 | ;; |
309 | *) |
310 | vg_list="${vg_list} ${vg}" |
311 | for device in $(vgdisplay -v ${vg} 2>/dev/null | sed -n 's/PV Name//p') |
312 | do |
313 | findstoragedriver ${device##/dev/} |
314 | done |
315 | ;; |
316 | esac |
317 | else |
318 | findstoragedriver ${1##/dev/} |
319 | fi |
320 | } |
321 | |
322 | get_blkid() |
323 | { |
324 | local UUID |
325 | local SEC_TYPE |
326 | local TYPE |
327 | |
328 | local dev="$1" |
329 | [[ -z ${dev} ]] && die "no dev given" |
330 | |
331 | eval $(busybox.mkinitrd blkid ${dev} | grep "${dev}:" | sed 's/.*:\ //') |
332 | echo ${UUID} |
333 | } |
334 | |
335 | # need r00t privs |
336 | [[ $(id -u) != 0 ]] && die "you must be r00t." |
337 | |
338 | while [ $# -gt 0 ]; do |
339 | case $1 in |
340 | --fstab*) |
341 | if echo $1 | grep -q '=' ; then |
342 | fstab=$(echo $1 | sed 's/^--fstab=//') |
343 | else |
344 | fstab=$2 |
345 | shift |
346 | fi |
347 | ;; |
348 | |
349 | --with-usb) withusb=yes ;; |
350 | |
351 | --with*) |
352 | if echo $1 | grep -q '=' ; then |
353 | modname=$(echo $1 | sed 's/^--with=//') |
354 | else |
355 | modname=$2 |
356 | shift |
357 | fi |
358 | basicmodules="${basicmodules} ${modname}" |
359 | ;; |
360 | |
361 | --builtin*) |
362 | if echo $1 | grep -q '=' ; then |
363 | modname=$(echo $1 | sed 's/^--builtin=//') |
364 | else |
365 | modname=$2 |
366 | shift |
367 | fi |
368 | builtins="${builtins} ${modname}" |
369 | ;; |
370 | |
371 | --version) |
372 | echo "mkinitrd: version ${VERSION}" |
373 | exit 0 |
374 | ;; |
375 | |
376 | -v) verbose=-v ;; |
377 | --nocompress) compress="" ;; |
378 | --ifneeded) |
379 | # legacy |
380 | ;; |
381 | -f) force=1 ;; |
382 | |
383 | --preload*) |
384 | if echo $1 | grep -q '=' ; then |
385 | modname=$(echo $1 | sed 's/^--preload=//') |
386 | else |
387 | modname=$2 |
388 | shift |
389 | fi |
390 | PREMODS="${PREMODS} ${modname}" |
391 | ;; |
392 | |
393 | --force-scsi-probe) forcescsi=1 ;; |
394 | |
395 | --omit-scsi-modules) |
396 | PRESCSIMODS="" |
397 | noscsi=1 |
398 | ;; |
399 | --force-raid-probe) forceraid=1 ;; |
400 | --omit-raid-modules) noraid=1 ;; |
401 | --force-lvm-probe) forcelvm=1 ;; |
402 | --omit-lvm-modules) nolvm=1 ;; |
403 | --force-ide-probe) forceide=1 ;; |
404 | --image-version) img_vers=yes ;; |
405 | --allow-missing) allowmissing=yes ;; |
406 | --noresume) noresume=1 ;; |
407 | --help) usage -n ;; |
408 | --initramfs) IMAGE_TYPE=initramfs ;; |
409 | --loopback) IMAGE_TYPE=loopback ;; |
410 | --no-strip) NOSTRIP=true ;; |
411 | *) |
412 | if [ -z "${target}" ] |
413 | then |
414 | target=$1 |
415 | elif [ -z "${kernel}" ] |
416 | then |
417 | kernel=$1 |
418 | else |
419 | usage |
420 | fi |
421 | ;; |
422 | esac |
423 | |
424 | shift |
425 | done |
426 | |
427 | # enforce initramfs method as default |
428 | [[ -z ${IMAGE_TYPE} ]] && IMAGE_TYPE=initramfs |
429 | |
430 | if [ -z "${target}" -o -z "${kernel}" ] |
431 | then |
432 | usage |
433 | fi |
434 | |
435 | if [ -n "${img_vers}" ] |
436 | then |
437 | target="${target}-${kernel}" |
438 | fi |
439 | |
440 | if [ -z "${force}" -a -f ${target} ] |
441 | then |
442 | die "${target} already exists." |
443 | fi |
444 | |
445 | if [ -n "${forcescsi}" -a -n "${noscsi}" ] |
446 | then |
447 | die "Can't both force scsi probe and omit scsi modules" |
448 | fi |
449 | |
450 | if [ -n "${forceraid}" -a -n "${noraid}" ] |
451 | then |
452 | die "Can't both force raid probe and omit raid modules" |
453 | fi |
454 | |
455 | if [ -n "${forcelvm}" -a -n "${nolvm}" ] |
456 | then |
457 | die "Can't both force LVM probe and omit LVM modules" |
458 | fi |
459 | |
460 | if [ ! -d /lib/modules/${kernel} ] |
461 | then |
462 | die "No modules available for kernel '${kernel}'." |
463 | fi |
464 | |
465 | ############################## |
466 | ####### get modules ########## |
467 | |
468 | echo "Creating ${IMAGE_TYPE} initrd image" |
469 | modulefile=/etc/modprobe.conf |
470 | |
471 | for n in ${PREMODS} |
472 | do |
473 | findmodule ${n} |
474 | done |
475 | |
476 | needusb="" |
477 | if [ -n "${withusb}" -a "x${PROBE}" == "xyes" ] |
478 | then |
479 | # If / or /boot is on a USB device include the driver. With root by |
480 | # label we could still get some odd behaviors |
481 | for fs in / /boot |
482 | do |
483 | esc=$(echo ${fs} | sed 's,/,\\/,g') |
484 | dev=$(mount | awk "/ on ${esc} / { print \$1 }" | sed 's/[0-9]*$//' | cut -d/ -f3) |
485 | if [ "$(echo ${dev} | cut -c1-2)" = sd ] |
486 | then |
487 | if [ $(which kudzu 2>/dev/null) ] |
488 | then |
489 | host=$(kudzu --probe -b scsi | |
490 | gawk '/^device: '${dev}'/,/^host:/ { if (/^host/) { print $2; exit; } }') |
491 | if [ -d /proc/scsi/usb-storage-${host} -o -f /proc/scsi/usb-storage/${host} ] |
492 | then |
493 | needusb=1 |
494 | fi |
495 | fi |
496 | fi |
497 | done |
498 | fi |
499 | |
500 | if [ -n "${needusb}" -a "x${PROBE}" == "xyes" ] |
501 | then |
502 | drivers=$(awk '/^alias[[:space:]]+usb-controller[0-9]* / { print $3}' < ${modulefile}) |
503 | if [ -n "${drivers}" ] |
504 | then |
505 | for driver in ${drivers} |
506 | do |
507 | findmodule ${driver} |
508 | done |
509 | findmodule scsi_mod |
510 | findmodule sd_mod |
511 | findmodule usb-storage |
512 | fi |
513 | fi |
514 | |
515 | if [ -n "${forcescsi}" -o -z "${noscsi}" -a "x${PROBE}" == "xyes" ] |
516 | then |
517 | if [ ! -f ${modulefile} ] |
518 | then |
519 | modulefile=/etc/conf.modules |
520 | fi |
521 | |
522 | if [ -f ${modulefile} ] |
523 | then |
524 | scsimodules=$(grep "alias[[:space:]]\+scsi_hostadapter" ${modulefile} | grep -v '^[ ]*#' | LC_ALL=C sort -u | awk '{ print $3 }') |
525 | |
526 | if [ -n "${scsimodules}" ] |
527 | then |
528 | for n in ${PRESCSIMODS} |
529 | do |
530 | findmodule ${n} |
531 | done |
532 | |
533 | for n in ${scsimodules} |
534 | do |
535 | # for now allow scsi modules to come from anywhere. There are some |
536 | # RAID controllers with drivers in block/ |
537 | findmodule ${n} |
538 | done |
539 | fi |
540 | fi |
541 | fi |
542 | |
543 | # If we have ide devices and module ide, do the right thing |
544 | ide=/proc/ide/ide* |
545 | if [ -n "${forceide}" -o -n "${ide}" -a "x${PROBE}" == "xyes" ] |
546 | then |
547 | findmodule -ide-disk |
548 | fi |
549 | |
550 | # If we have dasd devices, include the necessary modules (S/390) |
551 | if [ "x${PROBE}" == "xyes" -a -d /proc/dasd ] |
552 | then |
553 | findmodule -dasd_mod |
554 | findmodule -dasd_eckd_mod |
555 | findmodule -dasd_fba_mod |
556 | fi |
557 | |
558 | if [ "x${PROBE}" == "xyes" ] |
559 | then |
560 | # check to see if we need to set up a loopback filesystem |
561 | rootdev=$(awk '/^[ \t]*[^#]/ { if ($2 == "/") { print $1; }}' ${fstab}) |
562 | # check if it's root by label |
563 | if echo ${rootdev} | cut -c1-6 | grep -q "LABEL=" |
564 | then |
565 | majmin=$(stat -c "%t:%T" /dev/root) |
566 | if [ -n "${majmin}" ] |
567 | then |
568 | dev=$(findall /sys/block -name dev | while read device ; do \ |
569 | echo "${majmin}" | cmp -s ${device} && echo ${device} ; done \ |
570 | | sed -e 's,.*/\([^/]\+\)/dev,\1,' ) |
571 | if [ -n "${dev}" ]; then |
572 | echo "Found root device ${dev} for ${rootdev}" |
573 | rootdev=${dev} |
574 | fi |
575 | fi |
576 | fi |
577 | if echo ${rootdev} | cut -d/ -f3 | grep -q loop |
578 | then |
579 | key="^# $(echo ${rootdev} | cut -d/ -f3 | tr '[a-z]' '[A-Z]'):" |
580 | if ! grep "${key}" ${fstab} >> /dev/null |
581 | then |
582 | echo "The root filesystem is on a ${rootdev}, but there is no magic entry in ${fstab}" |
583 | echo "for this device. Consult the mkinitrd man page for more information" |
584 | echo "loopback root." |
585 | exit 1 |
586 | fi |
587 | |
588 | line=$(grep "${key}" ${fstab}) |
589 | loopDev=$(echo ${line} | awk '{print $3}') |
590 | loopFs=$(echo ${line} | awk '{print $4}') |
591 | loopFile=$(echo ${line} | awk '{print $5}') |
592 | |
593 | basicmodules="${basicmodules} -loop" |
594 | if [ "${loopFs}" = "vfat" -o "${loopFs}" = "msdos" ] |
595 | then |
596 | basicmodules="${basicmodules} -fat" |
597 | fi |
598 | basicmodules="${basicmodules} -${loopFs}" |
599 | # check if the root fs is on a logical volume |
600 | # this check must be last |
601 | else |
602 | handlelvordev ${rootdev} |
603 | fi |
604 | |
605 | rootfs=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $3; }}' ${fstab}) |
606 | rootopts=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $4; }}' ${fstab}\ |
607 | | sed -e 's/^r[ow],//' -e 's/,r[ow],$//' -e 's/,r[ow],/,/' \ |
608 | -e 's/^r[ow]$/defaults/' -e 's/$/,ro/') |
609 | |
610 | # in case the root filesystem is modular |
611 | findmodule -${rootfs} |
612 | |
613 | # find the first swap dev which would get used for swsusp |
614 | swsuspdev=$(awk '/^[ \t]*[^#]/ { if ($3 == "swap") { print $1; }}' ${fstab} \ |
615 | | head -n 1) |
616 | if ! echo ${swsuspdev} | cut -c1-6 | grep -q "LABEL=" |
617 | then |
618 | handlelvordev ${swsupdev} |
619 | fi |
620 | fi |
621 | |
622 | # If we use LVM or dm-based raid, include dm-mod |
623 | # XXX: dm not really supported yet. |
624 | testdm="" |
625 | [ -n "${vg_list}" ] && testdm="yes" |
626 | [ -n "${forceraid}" -o -n "${forcelvm}" ] && testdm="yes" |
627 | [ "x${PROBE}" == "xyes" -a \ |
628 | -n "$(test -z \"${nolvm}\" -o -z \"${noraid}\")" ] && testdm="yes" |
629 | |
630 | if [ -n "${testdm}" ] |
631 | then |
632 | if [ -x /sbin/dmsetup -a -e /dev/mapper/control ] |
633 | then |
634 | dmout=$(/sbin/dmsetup ls 2>/dev/null) |
635 | if [ "${dmout}" != "No devices found" -a "${dmout}" != "" ] |
636 | then |
637 | findmodule -dm-mod |
638 | |
639 | # DM requires all of these to be there in case someone used the |
640 | # feature. broken. (#132001) |
641 | findmodule -dm-mirror |
642 | findmodule -dm-zero |
643 | findmodule -dm-snapshot |
644 | fi |
645 | fi |
646 | fi |
647 | |
648 | for n in ${basicmodules} |
649 | do |
650 | findmodule ${n} |
651 | done |
652 | |
653 | for n in ${CONFMODS} |
654 | do |
655 | findmodule ${n} |
656 | done |
657 | |
658 | echo "Using modules:${MODULES}" |
659 | |
660 | ####### eof modules ########## |
661 | ############################## |
662 | |
663 | |
664 | # create basic filesystem layout |
665 | install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot,usr/bin,usr/sbin} || die |
666 | |
667 | # install busybox |
668 | echo "$(which busybox.mkinitrd)" |
669 | install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die |
670 | for i in '[' ash basename cat cut clear cp dirname echo env false find \ |
671 | grep gunzip gzip ln ls loadkmap mkdir mknod more mount mv \ |
672 | ps pwd rm rmdir sh sleep test touch true umount uname \ |
673 | xargs yes chmod chown |
674 | do |
675 | # use soft links from now on; |
676 | # hardlinks in initramfs apears to be broken on newer kernels |
677 | # -> "request module: runaway loop modprobe binfmt-0000" |
678 | # see: http://www.gossamer-threads.com/lists/linux/kernel/728042 |
679 | ln -s /bin/busybox ${DEST}/bin/${i} || die "${i}" |
680 | done |
681 | |
682 | # sbin related |
683 | for i in chroot init losetup modprobe pivot_root |
684 | do |
685 | ln -s ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}" |
686 | done |
687 | |
688 | # install run-init |
689 | echo "$(which run-init.mkinitrd)" |
690 | install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die |
691 | |
692 | # install insmod.static |
693 | #echo "$(which insmod.static)" |
694 | #install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die |
695 | |
696 | # install v86d for uvesafb support if installed |
697 | if which v86d &> /dev/null |
698 | then |
699 | echo "$(which v86d)" |
700 | install -m0755 $(which v86d) ${DEST}/sbin/v86d || die |
701 | fi |
702 | |
703 | # install lvm |
704 | if [ -n "${vg_list}" ] |
705 | then |
706 | inst /sbin/lvm.static "${DEST}/sbin/lvm" |
707 | if [ -f /etc/lvm/lvm.conf ] |
708 | then |
709 | cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/ |
710 | fi |
711 | fi |
712 | |
713 | # create some needed device nodes |
714 | mkdir ${DEST}/dev/pts || die |
715 | mkdir ${DEST}/dev/shm || die |
716 | mkdir ${DEST}/dev/mapper || die |
717 | mkdir ${DEST}/dev/misc || die |
718 | mkdir ${DEST}/dev/fb || die |
719 | mkdir ${DEST}/dev/vc || die |
720 | mknod ${DEST}/dev/console c 5 1 || die |
721 | mknod ${DEST}/dev/null c 1 3 || die |
722 | mknod ${DEST}/dev/ram b 1 1 || die |
723 | mknod ${DEST}/dev/rtc c 10 135 || die |
724 | mknod ${DEST}/dev/systty c 4 0 || die |
725 | mknod ${DEST}/dev/tty c 5 0 || die |
726 | mknod ${DEST}/dev/zero c 1 5 || die |
727 | for ((i=0; i < 13; i++)) |
728 | do |
729 | mknod ${DEST}/dev/tty${i} c 4 ${i} || die "tty${i}" |
730 | done |
731 | for ((i=64; i < 68; i++)) |
732 | do |
733 | mknod ${DEST}/dev/ttyS$((${i} - 64)) c 4 ${i} || die "ttyS$((${i} - 64))" |
734 | done |
735 | |
736 | # create init script |
737 | :> ${DEST}/init || die |
738 | add_initrd '#!/bin/sh' |
739 | |
740 | add_initrd 'mount -t proc proc /proc' |
741 | add_initrd 'mount -t sysfs sysfs /sys' |
742 | add_initrd 'mount -t tmpfs tmpfs /dev -o rw,mode=0644,size=1024' |
743 | |
744 | [[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /' |
745 | |
746 | # install all busybox applets |
747 | add_initrd 'busybox --install -s' |
748 | |
749 | # silencio |
750 | add_initrd 'echo 0 > /proc/sys/kernel/printk' |
751 | |
752 | add_initrd 'echo "-- Creating initial device nodes ..."' |
753 | # populate dev |
754 | add_initrd 'mdev -s' |
755 | # handle hotplug events properly |
756 | add_initrd 'echo /sbin/mdev > /proc/sys/kernel/hotplug' |
757 | |
758 | # 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 | # 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 "[ -x /bin/resume ] && 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 | add_initrd '[ ! -e ${device} ] && mknod ${device} b ${major} ${minor}' |
838 | add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' |
839 | add_initrd 'mount /sysroot || ash' |
840 | |
841 | # unset hotplug event-manager |
842 | add_initrd 'echo > /proc/sys/kernel/hotplug' |
843 | |
844 | # de-silencio |
845 | add_initrd 'echo 3 > /proc/sys/kernel/printk' |
846 | |
847 | add_initrd 'echo "-- Switching to real sysroot ..."' |
848 | add_initrd 'umount /dev' |
849 | add_initrd 'umount /sys' |
850 | add_initrd 'umount /proc' |
851 | |
852 | [[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console' |
853 | if [[ ${IMAGE_TYPE} = loopback ]] |
854 | then |
855 | add_initrd 'cd /sysroot' |
856 | add_initrd 'pivot_root . initrd' |
857 | 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" |
858 | fi |
859 | |
860 | chmod +x ${DEST}/init || die |
861 | |
862 | # setup root block device |
863 | [[ -z ${rootdev} ]] && die "no known rootdev found." |
864 | echo "device='UUID=$(get_blkid ${rootdev})'" > ${DEST}/etc/rootdev || die |
865 | echo "major=$(stat -c %t ${rootdev})" >> ${DEST}/etc/rootdev || die |
866 | echo "minor=$(stat -c %T ${rootdev})" >> ${DEST}/etc/rootdev || die |
867 | echo "rootfs='${rootfs}'" >> ${DEST}/etc/rootdev || die |
868 | |
869 | # install detected modules |
870 | echo "Coping your modules to '${DEST}/lib' ..." |
871 | for MODULE in ${MODULES} |
872 | do |
873 | if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]] |
874 | then |
875 | /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die |
876 | else |
877 | cp ${verbose} -a ${MODULE} ${DEST}/lib || die |
878 | fi |
879 | done |
880 | |
881 | # create the image |
882 | echo "Creating initrd image '${target}' ..." |
883 | if [[ ${IMAGE_TYPE} = initramfs ]] |
884 | then |
885 | (cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE}) |
886 | cat ${IMAGE} > ${target} || die |
887 | fi |
888 | |
889 | if [[ ${IMAGE_TYPE} = loopback ]] |
890 | then |
891 | MOUNTTMP="$(mktemp -d)" |
892 | |
893 | # create ext2 img |
894 | dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die |
895 | mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die |
896 | mount -o loop ${IMAGE} ${MOUNTTMP} || die |
897 | mv ${DEST}/* ${MOUNTTMP} || die |
898 | umount ${MOUNTTMP} || die |
899 | gzip -9 ${IMAGE} || die |
900 | cat ${IMAGE}.gz > ${target} || die |
901 | [ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP} |
902 | |
903 | # create inird dir for pivot_root |
904 | [ ! -d /initrd ] && { install -d /initrd || die; } |
905 | fi |
906 | |
907 | # clean up |
908 | [ -d ${DEST} ] && rm -rf ${DEST} |
909 | [ -f ${IMAGE} ] && rm -f ${IMAGE} |
910 | |
911 | # all went ok at this point |
912 | exit 0 |