Contents of /tags/mkinitrd_5_0_8-r28_before_fork/mkinitrd/mkinitrd-livecd.sh
Parent Directory | Revision Log
Revision 333 -
(show annotations)
(download)
(as text)
Tue Feb 21 00:02:17 2006 UTC (18 years, 7 months ago) by niro
Original Path: trunk/mkinitrd/mkinitrd-livecd.sh
File MIME type: application/x-sh
File size: 9057 byte(s)
Tue Feb 21 00:02:17 2006 UTC (18 years, 7 months ago) by niro
Original Path: trunk/mkinitrd/mkinitrd-livecd.sh
File MIME type: application/x-sh
File size: 9057 byte(s)
mkinitrd-livecd; probably working
1 | #!/bin/bash |
2 | # $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd/mkinitrd-livecd.sh,v 1.1 2006-02-21 00:02:17 niro Exp $ |
3 | |
4 | # mkinitrd-livecd |
5 | # |
6 | # Copyright 2005 Red Hat, Inc. |
7 | # |
8 | # Written by Erik Troan <ewt@redhat.com> |
9 | # |
10 | # Contributors: |
11 | # Elliot Lee <sopwith@cuc.edu> |
12 | # Miguel de Icaza <miguel@nuclecu.unam.mx> |
13 | # Christian 'Dr. Disk' Hechelmann <drdisk@ds9.au.s.shuttle.de> |
14 | # Michael K. Johnson <johnsonm@redhat.com> |
15 | # Pierre Habraken <Pierre.Habraken@ujf-grenoble.fr> |
16 | # Jakub Jelinek <jakub@redhat.com> |
17 | # Carlo Arenas Belon (carenas@chasqui.lared.net.pe> |
18 | # Keith Owens <kaos@ocs.com.au> |
19 | # Bernhard Rosenkraenzer <bero@redhat.com> |
20 | # Matt Wilson <msw@redhat.com> |
21 | # Trond Eivind Glomsrød <teg@redhat.com> |
22 | # Jeremy Katz <katzj@redhat.com> |
23 | # Preston Brown <pbrown@redhat.com> |
24 | # Bill Nottingham <notting@redhat.com> |
25 | # Guillaume Cottenceau <gc@mandrakesoft.com> |
26 | # Peter Jones <pjones@redhat.com> |
27 | |
28 | # heavily modified for magellan-linux by Niels Rogalla <niro@magellan-linux.de> |
29 | |
30 | umask 0022 |
31 | export MALLOC_PERTURB_=204 |
32 | |
33 | PATH=/sbin:/usr/sbin:/bin:/usr/bin:$PATH |
34 | export PATH |
35 | |
36 | VERSION=5.0.8 |
37 | |
38 | MODULES="" |
39 | NOSTRIP=false |
40 | |
41 | [ -e /etc/conf.d/mkinitrd-livecd ] && . /etc/conf.d/mkinitrd-livecd |
42 | |
43 | #LINUXRC="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/linuxrc.sh" |
44 | #MODULES_GENERIC="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/modules.generic" |
45 | #MODULES_USB="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/modules.usb" |
46 | #MODULES_SCSI="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/modules.scsi" |
47 | #MODULES_SATA="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/modules.sata" |
48 | |
49 | LINUXRC="/usr/lib/mkinitrd-livecd/linuxrc.sh" |
50 | MODULES_GENERIC="/usr/lib/mkinitrd-livecd/modules.generic" |
51 | MODULES_USB="/usr/lib/mkinitrd-livecd/modules.usb" |
52 | MODULES_SCSI="/usr/lib/mkinitrd-livecd/modules.scsi" |
53 | MODULES_SATA="/usr/lib/mkinitrd-livecd/modules.sata" |
54 | |
55 | compress=1 |
56 | allowmissing="" |
57 | target="" |
58 | kernel="" |
59 | force="" |
60 | verbose="" |
61 | img_vers="" |
62 | builtins="" |
63 | modulefile=/etc/modules.conf |
64 | rc=0 |
65 | |
66 | IMAGESIZE=4000 |
67 | PRESCSIMODS="sd_mod" |
68 | fstab="/etc/fstab" |
69 | |
70 | vg_list="" |
71 | |
72 | die() { echo "Error: $@"; exit 1; } |
73 | add_initrd() { echo "$@" >> ${DEST}/init || die; } |
74 | |
75 | DEST="$(mktemp -d)" |
76 | IMAGE="$(mktemp)" |
77 | |
78 | usage() |
79 | { |
80 | echo "usage: $(basename $0) [--version] [--help] [-v] [-f]" |
81 | echo " [--image-version] [--no-strip] [--nocompress]" |
82 | echo " <initrd-image> <kernel-version>" |
83 | echo |
84 | echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)" |
85 | |
86 | exit 0 |
87 | } |
88 | |
89 | moduledep() |
90 | { |
91 | if [ ! -f "/lib/modules/${kernel}/modules.dep" ] |
92 | then |
93 | die "No dep file found for kernel ${kernel}" |
94 | fi |
95 | |
96 | echo "Looking for deps of module $1" |
97 | deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \ |
98 | function modname(filename) { match(filename, /\/([^\/]+)\.k?o:?$/, ret); return ret[1] } \ |
99 | function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \ |
100 | /^\/lib/ { show(); \ |
101 | orig=modname($1); dep=""; \ |
102 | if ($2) { for (i = 2; i <= NF; i++) { dep=sprintf("%s %s", dep, modname($i)); } } } \ |
103 | /^ / { dep=sprintf("%s %s", dep, modname($1)); } \ |
104 | END { show(); exit(rc) }' /lib/modules/${kernel}/modules.dep $1) |
105 | [ -n "${deps}" ] && echo ":${deps}" || echo |
106 | } |
107 | |
108 | findone() { /usr/bin/find "$@" | /bin/awk '{ print $1; exit; }'; } |
109 | findall() { /usr/bin/find "$@"; } |
110 | |
111 | findmodule() |
112 | { |
113 | skiperrors="" |
114 | |
115 | if [[ $1 = --skiperrors ]] |
116 | then |
117 | skiperrors=--skiperrors |
118 | shift |
119 | fi |
120 | |
121 | local modName=$1 |
122 | |
123 | if [ "${modName}" = "off" -o "${modName}" = "null" ] |
124 | then |
125 | return |
126 | fi |
127 | |
128 | if [ $(echo ${modName} | cut -b1) = "-" ] |
129 | then |
130 | skiperrors=--skiperrors |
131 | modName=$(echo ${modName} | cut -b2-) |
132 | fi |
133 | |
134 | case "${MODULES} " in |
135 | *"/${modName}.ko "*) 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 ${i} |
165 | done |
166 | fi |
167 | |
168 | for modExt in o.gz o ko |
169 | do |
170 | for modDir in /lib/modules/${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 | install_kernel_modules() |
213 | { |
214 | local list="$1" |
215 | local module |
216 | |
217 | while read module args |
218 | do |
219 | case "${module}" in |
220 | \#*|"") continue ;; |
221 | esac |
222 | |
223 | findmodule ${module} |
224 | done << EOF |
225 | $(cat ${list}; echo) |
226 | EOF |
227 | |
228 | # create empty modules.lala file |
229 | :> ${DEST}/etc/$(basename ${list}) |
230 | |
231 | # install detected modules |
232 | echo "Coping your modules to '${DEST}/lib' ..." |
233 | for MODULE in ${MODULES} |
234 | do |
235 | if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]] |
236 | then |
237 | /usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die |
238 | else |
239 | cp ${verbose} -a ${MODULE} ${DEST}/lib || die |
240 | fi |
241 | |
242 | # generate modules load file |
243 | echo "$(basename ${MODULE} .ko)" >> ${DEST}/etc/$(basename ${list}) || die |
244 | done |
245 | |
246 | export ALL_MODULES="${ALL_MODULES} ${MODULES}" |
247 | unset MODULES |
248 | } |
249 | |
250 | # need r00t privs |
251 | [[ $(id -u) != 0 ]] && die "you must be r00t." |
252 | |
253 | while [ $# -gt 0 ]; do |
254 | case $1 in |
255 | --version) |
256 | echo "mkinitrd: version ${VERSION}" |
257 | exit 0 |
258 | ;; |
259 | |
260 | -v) verbose=-v ;; |
261 | -f) force=1 ;; |
262 | --nocompress) compress="" ;; |
263 | --image-version) img_vers=yes ;; |
264 | --allow-missing) allowmissing=yes ;; |
265 | --noresume) noresume=1 ;; |
266 | --help) usage -n ;; |
267 | --initramfs) IMAGE_TYPE=initramfs ;; |
268 | --loopback) IMAGE_TYPE=loopback ;; |
269 | --no-strip) NOSTRIP=true ;; |
270 | *) |
271 | if [ -z "${target}" ] |
272 | then |
273 | target=$1 |
274 | elif [ -z "${kernel}" ] |
275 | then |
276 | kernel=$1 |
277 | else |
278 | usage |
279 | fi |
280 | ;; |
281 | esac |
282 | |
283 | shift |
284 | done |
285 | |
286 | |
287 | # create basic filesystem layout |
288 | install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sys,sysroot} || die |
289 | |
290 | # install busybox |
291 | echo "$(which busybox.mkinitrd)" |
292 | install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die |
293 | for i in '[' ash basename cat cut chroot clear cp dirname echo env false find \ |
294 | grep gunzip gzip init ln ls loadkmap losetup mkdir mknod modprobe more mount mv \ |
295 | pivot_root ps pwd rm rmdir sh sleep test touch true umount uname \ |
296 | xargs yes chmod chown |
297 | do |
298 | # static links |
299 | ln ${DEST}/bin/busybox ${DEST}/bin/${i} || die "${i}" |
300 | done |
301 | |
302 | # install run-init |
303 | echo "$(which run-init.mkinitrd)" |
304 | install -m0755 $(which run-init.mkinitrd) ${DEST}/bin/run-init || die |
305 | |
306 | # install insmod.static |
307 | echo "$(which insmod.static)" |
308 | install -m0755 $(which insmod.static) ${DEST}/bin/insmod || die |
309 | |
310 | # install udev |
311 | cp -a /etc/udev ${DEST}/etc || die |
312 | install -m0755 /sbin/udev.static ${DEST}/bin/udev || die |
313 | install -m0755 /sbin/udevd.static ${DEST}/bin/udevd || die |
314 | install -m0755 /sbin/udevstart.static ${DEST}/bin/udevstart || die |
315 | |
316 | # create some needed device nodes |
317 | mkdir ${DEST}/dev/mapper || die |
318 | mknod ${DEST}/dev/console c 5 1 || die |
319 | mknod ${DEST}/dev/null c 1 3 || die |
320 | mknod ${DEST}/dev/ram b 1 1 || die |
321 | mknod ${DEST}/dev/rtc c 10 135 || die |
322 | mknod ${DEST}/dev/systty c 4 0 || die |
323 | mknod ${DEST}/dev/tty c 5 0 || die |
324 | mknod ${DEST}/dev/zero c 1 5 || die |
325 | for ((i=0; i < 13; i++)) |
326 | do |
327 | mknod ${DEST}/dev/tty${i} c 4 ${i} || die "tty${i}" |
328 | done |
329 | for ((i=64; i < 68; i++)) |
330 | do |
331 | mknod ${DEST}/dev/ttyS$((${i} - 64)) c 4 ${i} || die "ttyS$((${i} - 64))" |
332 | done |
333 | |
334 | ## install kernel modules ## |
335 | # generic needed |
336 | install_kernel_modules "${MODULES_GENERIC}" |
337 | |
338 | # usb |
339 | install_kernel_modules "${MODULES_USB}" |
340 | |
341 | # scsi |
342 | install_kernel_modules "${MODULES_SCSI}" |
343 | |
344 | # sata |
345 | install_kernel_modules "${MODULES_SATA}" |
346 | |
347 | # show all modules |
348 | for i in ${ALL_MODULES} |
349 | do |
350 | echo ${i} |
351 | done |
352 | |
353 | # install linuxrc |
354 | install -m0755 ${LINUXRC} ${DEST}/init || die |
355 | |
356 | # create the image |
357 | echo "Creating initrd image '${target}' ..." |
358 | if [[ ${IMAGE_TYPE} = initramfs ]] |
359 | then |
360 | (cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE}) |
361 | cat ${IMAGE} > ${target} || die |
362 | fi |
363 | |
364 | if [[ ${IMAGE_TYPE} = loopback ]] |
365 | then |
366 | MOUNTTMP="$(mktemp -d)" |
367 | |
368 | # create ext2 img |
369 | dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die |
370 | mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die |
371 | mount -o loop ${IMAGE} ${MOUNTTMP} || die |
372 | mv ${DEST}/* ${MOUNTTMP} || die |
373 | umount ${MOUNTTMP} || die |
374 | gzip -9 ${IMAGE} || die |
375 | cat ${IMAGE}.gz > ${target} || die |
376 | [ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP} |
377 | |
378 | # create inird dir for pivot_root |
379 | [ ! -d /initrd ] && { install -d /initrd || die; } |
380 | fi |
381 | |
382 | # clean up |
383 | [ -d ${DEST} ] && rm -rf ${DEST} |
384 | [ -f ${IMAGE} ] && rm -f ${IMAGE} |
385 | |
386 | # all went ok at this point |
387 | exit 0 |