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Commit | Line | Data |
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1 | #!/bin/sh | |
2 | ||
3 | # geninitrd | |
4 | # | |
5 | # by PLD Linux Team | |
6 | # | |
7 | # based on mkinitrd from RedHat Linux | |
8 | # | |
9 | ||
10 | VERSION='devel' | |
11 | PROGRAM=${0##*/} | |
12 | ||
13 | . /etc/rc.d/init.d/functions | |
14 | . /lib/geninitrd/functions | |
15 | . /etc/sysconfig/system | |
16 | ||
17 | # list of geninitrd modules which need setup routine after commandline args parsing | |
18 | GENINITRD_MODS="" | |
19 | COMPRESS=yes | |
20 | LILO_MICROCODE=yes | |
21 | STRIP=/usr/bin/strip | |
22 | target="" | |
23 | kernel="" | |
24 | force="" | |
25 | verbose="" | |
26 | MODULES="" | |
27 | img_vers="" | |
28 | fstab=/etc/fstab | |
29 | modext=.o | |
30 | rootdev_nr=0 | |
31 | # device node for rootfs from fstab | |
32 | rootdev="" | |
33 | ||
34 | # internal variables | |
35 | # is /dev on tmpfs | |
36 | dev_mounted=no | |
37 | # is /proc mounted | |
38 | proc_mounted=no | |
39 | # is /sys mounted | |
40 | sys_mounted=no | |
41 | # is /tmp mounted on tmpfs | |
42 | tmp_mounted=no | |
43 | ||
44 | # are /dev nodes already created from /proc/devices info? | |
45 | proc_partitions=no | |
46 | ||
47 | usage() { | |
48 | echo "Usage: $PROGRAM [--version] [-v] [-f] [--ifneeded] [--preload <module>]" | |
49 | echo " [--with=<module>] [--image-version] [--fstab=<fstab>] [--nocompress]" | |
50 | echo " [--compress=yes|zstd|xz|lzma|bzip2|gzip|lzo]" | |
51 | echo " [--nostrip ] [--strip PATH/strip] [--strip=PATH/strip]" | |
52 | echo " [--initrdfs=rom|initramfs|ext2|cram] [--modules-conf=<modules.conf>]" | |
53 | echo " [--with-bootsplash] [--without-bootsplash]" | |
54 | echo " [--with-fbsplash] [--without-fbsplash]" | |
55 | echo " [--with-fbcondecor] [--without-fbcondecor]" | |
56 | echo " [--lvmtoolsversion=1|2] [--with-udev] [--without-udev]" | |
57 | echo " [--with-suspend] [--without-suspend]" | |
58 | echo " [--with-tuxonice] [--without-tuxonice]" | |
59 | echo " [--without-dmraid]" | |
60 | echo " [--with-multipath=DEVPATH] [--without-multipath]" | |
61 | echo " [--without-blkid] [--without-luks]" | |
62 | echo " <initrd-image> <kernel-version>" | |
63 | echo "" | |
64 | echo "Example:" | |
65 | ||
66 | local kdir kver dir=${target:-/boot} | |
67 | for kdir in /lib/modules/*; do | |
68 | [ -d $kdir ] || continue | |
69 | kver=${kdir##*/} | |
70 | echo " $0 -f --initrdfs=initramfs $dir/initrd-$kver.gz $kver $verbose" | |
71 | done | sort -V | |
72 | } | |
73 | ||
74 | msg() { | |
75 | echo "$PROGRAM: $*" | |
76 | } | |
77 | ||
78 | warn() { | |
79 | msg "WARNING: $*" >&2 | |
80 | } | |
81 | ||
82 | verbose() { | |
83 | [ -n "$verbose" ] && msg "$*" >&3 | |
84 | } | |
85 | ||
86 | debug() { | |
87 | [ x"$verbose" = x"-v -v" ] && msg "$*" >&3 | |
88 | } | |
89 | ||
90 | # add initrd code to print to kmsg | |
91 | # @param string message | |
92 | # @param int loglevel. defaults to "6" (info) | |
93 | # Log levels can be: | |
94 | # Name String Meaning | |
95 | # KERN_EMERG "0" Emergency messages, system is about to crash or is unstable | |
96 | # KERN_ALERT "1" Something bad happened and action must be taken immediately | |
97 | # KERN_CRIT "2" A critical condition occurred like a serious hardware/software failure | |
98 | # KERN_ERR "3" An error condition, often used by drivers to indicate difficulties with the hardware | |
99 | # KERN_WARNING "4" A warning, meaning nothing serious by itself but might indicate problems | |
100 | # KERN_NOTICE "5" Nothing serious, but notably nevertheless. Often used to report security events. | |
101 | # KERN_INFO "6" Informational message e.g. startup information at driver initialization | |
102 | # KERN_DEBUG "7" Debug messages | |
103 | # KERN_CONT "c" "continued" line of log printout (only done after a line that had no enclosing \n) | |
104 | kmsg() { | |
105 | local msg="$1" level=${2:-6} | |
106 | echo "echo '<$level>$msg' > /dev/kmsg" | add_linuxrc | |
107 | } | |
108 | ||
109 | # aborts program abnormally | |
110 | die() { | |
111 | local rc=${2:-1} | |
112 | msg "ERROR: $1" >&2 | |
113 | exit $rc | |
114 | } | |
115 | ||
116 | # find program from specified paths | |
117 | find_tool() { | |
118 | local x p b n | |
119 | local paths="$initrd_dirs /bin /sbin /usr/bin /usr/sbin" | |
120 | for x in "$@"; do | |
121 | debug "find_tool: checking $x" | |
122 | if [ -x "$x" ]; then | |
123 | echo $x | |
124 | verbose "find_tool: found $x" | |
125 | return 0 | |
126 | fi | |
127 | n="$x" | |
128 | for p in $paths; do | |
129 | b=$(basename $x) | |
130 | debug "find_tool: checking $p/$b" | |
131 | if [ -x "$p/$b" ]; then | |
132 | echo $p/$b | |
133 | verbose "find_tool: found $p/$b" | |
134 | return 0 | |
135 | fi | |
136 | n="$n $p/$b" | |
137 | done | |
138 | done | |
139 | debug "find_tool: did not find any of: $n" | |
140 | return 1 | |
141 | } | |
142 | ||
143 | # loads geninitrd modules | |
144 | geninitrd_load_mods() { | |
145 | local mod | |
146 | for mod in "$@"; do | |
147 | if [ ! -f /lib/geninitrd/mod-$mod.sh ]; then | |
148 | die "$mod geninitrd module can't be loaded" | |
149 | fi | |
150 | . /lib/geninitrd/mod-$mod.sh | |
151 | ||
152 | GENINITRD_MODS="$GENINITRD_MODS $mod" | |
153 | done | |
154 | } | |
155 | ||
156 | # setup geninitrd modules | |
157 | geninitrd_setup_mods() { | |
158 | local mod | |
159 | ||
160 | for mod in $GENINITRD_MODS; do | |
161 | debug "# $mod" | |
162 | ||
163 | # some mods want init | |
164 | if type setup_mod_$mod > /dev/null; then | |
165 | eval setup_mod_$mod | |
166 | fi | |
167 | done | |
168 | } | |
169 | ||
170 | # append text to /linuxrc | |
171 | # takes STDIN as input | |
172 | add_linuxrc() { | |
173 | cat >> "$RCFILE" | |
174 | } | |
175 | ||
176 | # generate code to mount /dev on tmpfs and create initial nodes | |
177 | # can be called multiple times. /dev is cleaned up (umounted) automatically at | |
178 | # the end of script. | |
179 | mount_dev() { | |
180 | # we already generated tmpfs code; return | |
181 | if is_yes "$dev_mounted"; then | |
182 | return | |
183 | fi | |
184 | ||
185 | dev_mounted=yes | |
186 | ||
187 | busybox_applet mount mknod mkdir | |
188 | add_linuxrc <<-EOF | |
189 | : 'Creating /dev' | |
190 | if ! mount -t devtmpfs -o mode=0755,nosuid devtmpfs /dev > /dev/null 2>&1; then | |
191 | mount -o mode=0755,nosuid -t tmpfs tmpfs /dev | |
192 | mknod -m 600 /dev/console c 5 1 | |
193 | mknod -m 666 /dev/null c 1 3 | |
194 | mknod -m 666 /dev/zero c 1 5 | |
195 | mknod -m 666 /dev/random c 1 8 | |
196 | mknod -m 600 /dev/snapshot c 10 231 | |
197 | mknod -m 666 /dev/urandom c 1 9 | |
198 | mknod -m 666 /dev/ptmx c 5 2 | |
199 | mknod -m 644 /dev/kmsg c 1 11 | |
200 | fi | |
201 | mkdir /dev/pts | |
202 | mkdir /dev/shm | |
203 | EOF | |
204 | } | |
205 | ||
206 | # load font | |
207 | load_font() { | |
208 | local font | |
209 | [ ! -r /etc/sysconfig/console ] && return | |
210 | . /etc/sysconfig/console | |
211 | if [ -n "$CONSOLEFONT" ]; then | |
212 | font=$(ls -1 /lib/kbd/consolefonts/${CONSOLEFONT}*.gz 2> /dev/null) | |
213 | if [ -n "$font" ]; then | |
214 | verbose "Loading font $font" | |
215 | busybox_applet loadfont | |
216 | inst_d "/lib/kbd/consolefonts" | |
217 | cp -a "$font" "$DESTDIR/lib/kbd/consolefonts/" | |
218 | gunzip ${DESTDIR}/lib/kbd/consolefonts/${CONSOLEFONT}*.gz | |
219 | font=${font%.gz} | |
220 | echo "loadfont < $font" | add_linuxrc | |
221 | fi | |
222 | fi | |
223 | } | |
224 | ||
225 | # generate code to mount /proc on initrd | |
226 | # can be called multiple times | |
227 | mount_proc() { | |
228 | if is_yes "$proc_mounted"; then | |
229 | return | |
230 | fi | |
231 | ||
232 | proc_mounted=yes | |
233 | if [ "$INITRDFS" = "initramfs" ]; then | |
234 | # /proc is mounted with initramfs 2.6.22.14 kernel | |
235 | # XXX: remove when it is clear why proc was already mounted | |
236 | echo "[ -f /proc/cmdline ] || mount -t proc none /proc" | add_linuxrc | |
237 | else | |
238 | echo "mount -t proc none /proc" | add_linuxrc | |
239 | fi | |
240 | } | |
241 | ||
242 | # generate code to mount /sys on initrd | |
243 | # can be called multiple times | |
244 | mount_sys() { | |
245 | if is_yes "$sys_mounted"; then | |
246 | return | |
247 | fi | |
248 | ||
249 | sys_mounted=yes | |
250 | echo "mount -t sysfs none /sys" | add_linuxrc | |
251 | } | |
252 | ||
253 | # generate code to mount /tmp on initrd | |
254 | # can be called multiple times | |
255 | mount_tmp() { | |
256 | if [ "$INITRDFS" = "initramfs" ]; then | |
257 | # initramfs is read-write filesystem, no need for tmpfs | |
258 | return | |
259 | fi | |
260 | ||
261 | if is_yes "$tmp_mounted"; then | |
262 | return | |
263 | fi | |
264 | ||
265 | tmp_mounted=yes | |
266 | echo "mount -t tmpfs none /tmp" | add_linuxrc | |
267 | } | |
268 | ||
269 | # generate code to mount /run on initrd | |
270 | # can be called multiple times | |
271 | mount_run() { | |
272 | if is_yes "$run_mounted"; then | |
273 | return | |
274 | fi | |
275 | ||
276 | run_mounted=yes | |
277 | echo "mount -t tmpfs run /run -o mode=0755,noexec,nosuid,nodev" | add_linuxrc | |
278 | } | |
279 | ||
280 | # unmount all mountpoints mounted by geninitrd | |
281 | # try to move pseudo filesystems to newroot if possible | |
282 | umount_all() { | |
283 | ||
284 | add_linuxrc <<-'EOF' | |
285 | : Last shell before umounting all and giving control over to real init. | |
286 | debugshell | |
287 | EOF | |
288 | ||
289 | if is_yes "$run_mounted"; then | |
290 | add_linuxrc <<-EOF | |
291 | mount -n --move /run /newroot/run | |
292 | EOF | |
293 | run_mounted=no | |
294 | fi | |
295 | if is_yes "$dev_mounted"; then | |
296 | add_linuxrc <<-EOF | |
297 | mount --bind /dev /newroot/dev | |
298 | umount /dev | |
299 | EOF | |
300 | dev_mounted=no | |
301 | fi | |
302 | if is_yes "$sys_mounted"; then | |
303 | add_linuxrc <<-EOF | |
304 | mount --bind /sys /newroot/sys | |
305 | umount /sys | |
306 | EOF | |
307 | sys_mounted=no | |
308 | fi | |
309 | if is_yes "$proc_mounted"; then | |
310 | add_linuxrc <<-EOF | |
311 | mount --bind /proc /newroot/proc | |
312 | umount /proc | |
313 | EOF | |
314 | proc_mounted=no | |
315 | fi | |
316 | if is_yes "$tmp_mounted"; then | |
317 | echo 'umount /tmp' | add_linuxrc | |
318 | tmp_mounted=no | |
319 | fi | |
320 | } | |
321 | ||
322 | # Checks if busybox has support for APPLET(s) | |
323 | # Exits from geninitrd if the support is not present. | |
324 | # | |
325 | # NB! XXX do not output to STDOUT, it will appear in initrd images in some cases! | |
326 | busybox_applet() { | |
327 | local err=0 applet | |
328 | ||
329 | if [ -z "$busybox_functions" ]; then | |
330 | local tmp=$($busybox 2>&1) | |
331 | ||
332 | # BusyBox v1.1.3 says applet not found if it's not called 'busybox'. | |
333 | if [[ "$tmp" = *applet\ not\ found* ]]; then | |
334 | local t=$(mktemp -d) | |
335 | ln -s $busybox $t/busybox | |
336 | local tmp=$($t/busybox 2>&1) | |
337 | rm -rf $t | |
338 | fi | |
339 | ||
340 | busybox_functions=$(echo "$tmp" | \ | |
341 | sed -ne '/Currently defined functions:/,$p' | \ | |
342 | xargs | sed -e 's,.*Currently defined functions: ,,' | |
343 | ) | |
344 | fi | |
345 | for applet in $*; do | |
346 | local have | |
347 | # try cache | |
348 | eval have='$'busybox_have_$applet | |
349 | if [ -z "$have" ]; then | |
350 | have=$(echo "$busybox_functions" | grep -Ec "( |^)$applet(,|$)") | |
351 | if [ "$have" = 0 ]; then | |
352 | warn "This setup requires busybox-initrd compiled with applet '$applet' support" | |
353 | err=1 | |
354 | fi | |
355 | eval busybox_have_$applet=$have | |
356 | fi | |
357 | done | |
358 | if [ $err = 1 ]; then | |
359 | die "Aborted" | |
360 | fi | |
361 | } | |
362 | ||
363 | # Extract the .config file from a kernel image | |
364 | # uses extract-ikconfig from kernel sources (scripts/extract-ikconfig) | |
365 | ikconfig() { | |
366 | local kofile=$(modinfo -k $kernel -n configs 2> /dev/null) | |
367 | if [ -n "$kofile" ]; then | |
368 | /lib/geninitrd/extract-ikconfig $kofile | |
369 | return | |
370 | fi | |
371 | ||
372 | # see if config available as separate file | |
373 | if [ -f /boot/config-$kernel ]; then | |
374 | cat /boot/config-$kernel | |
375 | return | |
376 | fi | |
377 | ||
378 | # finally try vmlinuz itself | |
379 | /lib/geninitrd/extract-ikconfig /boot/vmlinuz-$kernel | |
380 | } | |
381 | ||
382 | # @param $module | |
383 | basename_module() { | |
384 | local module=$1 | |
385 | ||
386 | module=${module##*/} | |
387 | module=${module%$modext*} | |
388 | echo $module | |
389 | } | |
390 | ||
391 | # Finds module dependencies | |
392 | # | |
393 | # @param $module | |
394 | # | |
395 | # Outputs full path to module and it's dependencies | |
396 | find_depmod() { | |
397 | local module="$1" | |
398 | local skiperrors=0 | |
399 | ||
400 | # if module is prefixed with dash, we should ignore errors if the module | |
401 | # can't be found. | |
402 | if [ ${module#-} != $module ]; then | |
403 | skiperrors=1 | |
404 | module=${module#-} | |
405 | fi | |
406 | ||
407 | # This works when user has module-init-tools installed even on 2.4 kernels | |
408 | local modprobe | |
409 | modprobe=$(modprobe --set-version $kernel --show-depends $module --ignore-install 2>&1) | |
410 | ||
411 | if [ $? != 0 ]; then | |
412 | if [ $skiperrors = 1 ]; then | |
413 | return 0 | |
414 | fi | |
415 | echo >&2 "$modprobe" | |
416 | ||
417 | if ! is_no "$EXIT_IF_MISSING"; then | |
418 | die "$module: module not found for $kernel kernel" | |
419 | fi | |
420 | ||
421 | warn "$module: module not found for $kernel kernel" | |
422 | warn "If $module isn't compiled in kernel then this initrd may not start your system." | |
423 | fi | |
424 | ||
425 | local smodule | |
426 | ||
427 | echo "$modprobe" | \ | |
428 | while read insmod modpath options; do | |
429 | if [ "$insmod" = "insmod" ]; then | |
430 | ||
431 | # XXX: find a away to autodetect | |
432 | smodule=$(basename_module $modpath) | |
433 | case "$smodule" in | |
434 | btrfs) | |
435 | warn "mounting multidevice btrfs volume requires rootfsflags=device=/dev/...,device=/dev/... kernel option" | |
436 | find_depmod "-libcrc32c" | |
437 | ;; | |
438 | ext4) | |
439 | find_depmod "-libcrc32c" | |
440 | ;; | |
441 | crc-t10dif) | |
442 | find_depmod "-crct10dif-pclmul" | |
443 | find_depmod "-crct10dif" | |
444 | ;; | |
445 | libcrc32c) | |
446 | find_depmod "-crc32c-intel" | |
447 | find_depmod "-crc32c" | |
448 | ;; | |
449 | virtio_blk|virtio_scsi) | |
450 | find_depmod "-virtio_pci" | |
451 | find_depmod "-virtio_mmio" | |
452 | ;; | |
453 | esac | |
454 | ||
455 | echo $modpath | |
456 | fi | |
457 | done | |
458 | return 0 | |
459 | } | |
460 | ||
461 | find_firmware() { | |
462 | local module="$1" | |
463 | ||
464 | # no firmware support in 2.4 kernels | |
465 | if [ "$kernel_version_long" -lt "002005048" ]; then | |
466 | return | |
467 | fi | |
468 | echo -n $(NEW_MODINFO=1 modinfo -k $kernel -F firmware $module 2>/dev/null | xargs) | |
469 | } | |
470 | ||
471 | # @param $module | |
472 | find_module() { | |
473 | local mod depmod module=$1 | |
474 | ||
475 | depmod=$(find_depmod $module) || exit 1 | |
476 | for mod in $depmod; do | |
477 | mod=${mod#/lib/modules/$kernel/} | |
478 | ||
479 | # add each module only once | |
480 | local m have=0 | |
481 | for m in $MODULES; do | |
482 | [ $m = $mod ] && have=1 | |
483 | done | |
484 | if [ $have = 0 ]; then | |
485 | MODULES="$MODULES $mod" | |
486 | fi | |
487 | done | |
488 | } | |
489 | ||
490 | # install a file to temporary mount image. | |
491 | # it will operate recursively (copying directories) | |
492 | # and will symlink destinations if source is symlink. | |
493 | inst() { | |
494 | if [ $# -lt 2 ]; then | |
495 | die 'Usage: inst <file> [<file>] <destination>' | |
496 | fi | |
497 | ||
498 | local src i=0 c=$(($# - 1)) | |
499 | while [ $i -lt $c ]; do | |
500 | src="$src $1" | |
501 | i=$((i + 1)) | |
502 | shift | |
503 | done | |
504 | local dest=$1 | |
505 | set -- $src | |
506 | local parentDir=$(dirname $DESTDIR$dest) | |
507 | if [ ! -d "$parentDir" ]; then | |
508 | verbose "+ mkdir -p DESTDIR${parentDir#$DESTDIR}" | |
509 | mkdir -p $parentDir | |
510 | fi | |
511 | verbose "+ cp $* DESTDIR$dest" | |
512 | cp -HRp "$@" "$DESTDIR$dest" | |
513 | } | |
514 | ||
515 | inst_d() { | |
516 | if [ $# = 0 ]; then | |
517 | die 'Usage: inst_d <destination> <destination>' | |
518 | fi | |
519 | local dir | |
520 | for dir in "$@"; do | |
521 | install -d "$DESTDIR$dir" | |
522 | done | |
523 | } | |
524 | ||
525 | # install executable and it's shared libraries | |
526 | inst_exec() { | |
527 | if [ $# -lt 2 ]; then | |
528 | die "Invalid params ($@), Usage: inst_exec <file>[, <file>] <destination>" | |
529 | fi | |
530 | local src i=0 c=$(($# - 1)) | |
531 | while [ $i -lt $c ]; do | |
532 | src="$src $1" | |
533 | i=$((i + 1)) | |
534 | shift | |
535 | done | |
536 | local dest=$1 | |
537 | set -- $src | |
538 | ||
539 | inst "$@" $dest | |
540 | ||
541 | local obj lib libs libs_additional libdir | |
542 | for obj in "$@"; do | |
543 | case "$obj" in | |
544 | /lib/ld-linux.so.2 | /lib64/ld-linux-x86-64.so.2 | /libx32/ld-linux-x32.so.2) | |
545 | continue | |
546 | ;; | |
547 | /lib/libpthread.so* | /lib64/libpthread.so* | /libx32/libpthread.so*) | |
548 | libs_additional="${obj%/libpthread*}/libgcc_s.so.1" | |
549 | ;; | |
550 | esac | |
551 | ||
552 | ||
553 | libs=$(ldd "$obj" 2> /dev/null | awk '/statically|linux-(gate|vdso)\.so/{next} NF == 2 {print $1} /=/{print $3}' | sort -u) | |
554 | for lib in $libs $libs_additional; do | |
555 | libdir=$(cd $(dirname "$lib"); pwd) | |
556 | if [ ! -f "$DESTDIR/$lib" ]; then | |
557 | inst_d $libdir | |
558 | inst_exec $lib $libdir | |
559 | fi | |
560 | done | |
561 | done | |
562 | ||
563 | # hack for uclibc linked binaries requiring this fixed path | |
564 | # XXX: shouldn't rpath be used here instead so th | |
565 | for _lib in $(get_libdir LIBDIR); do | |
566 | if [ -f $DESTDIR/$_lib/libc.so.0 ]; then | |
567 | lib=$DESTDIR/$_lib/libc.so.0 | |
568 | lib=$(ldd "$lib" 2> /dev/null | awk '/statically|linux-(gate|vdso)\.so/{next} NF == 2 {print $1} /=/{print $3}' | sort -u) | |
569 | libdir=$(cd $(dirname "$lib"); pwd) | |
570 | if [ ! -e $DESTDIR$libdir ]; then | |
571 | libdir=$(dirname "$libdir") | |
572 | inst_d $libdir | |
573 | verbose "+ ln -s /$_lib $DESTDIR$libdir" | |
574 | ln -s /$_lib $DESTDIR$libdir | |
575 | break | |
576 | fi | |
577 | fi | |
578 | done | |
579 | } | |
580 | ||
581 | # output modules.conf / modprobe.conf | |
582 | modprobe_conf() { | |
583 | echo "$modprobe_conf_cache" | |
584 | } | |
585 | ||
586 | # return options for MODULE | |
587 | # @param $1 module name | |
588 | modprobe_options() { | |
589 | local module=$1 | |
590 | local options=$(modprobe_conf | awk -vmodule="$module" '{ if ($1 == "options" && $2 == module) { for(i=3;i<=NF;i++) printf("%s ",$i); }}') | |
591 | echo ${options# } | |
592 | } | |
593 | ||
594 | # | |
595 | # defaults to modprobe -c if not told otherwise, this means include statements | |
596 | # work from there. | |
597 | cache_modprobe_conf() { | |
598 | if [ "$kernel_version" -lt "002005" ]; then | |
599 | modulefile=/etc/modules.conf | |
600 | if [ ! -f "$modulefile" -a -f /etc/conf.modules ]; then | |
601 | modulefile=/etc/conf.modules | |
602 | fi | |
603 | fi | |
604 | ||
605 | if [ -n "$modulefile" ]; then | |
606 | debug "Using $modulefile for modules config" | |
607 | modprobe_conf_cache=$(cat $modulefile | awk '!/^[\t ]*#/ { print }') | |
608 | ||
609 | else | |
610 | debug "Using modprobe -c to get modules config" | |
611 | modprobe_conf_cache=$(modprobe -c --set-version $kernel | awk '!/^[\t ]*#/ { print }') | |
612 | fi | |
613 | } | |
614 | ||
615 | # find modules for $devpath | |
616 | find_modules_for_devpath() { | |
617 | local devpath="$1" | |
618 | if [ -z "$devpath" ]; then | |
619 | die "No argument passed to find_modules_for_devpath() - is your /etc/fstab correct?" | |
620 | fi | |
621 | ||
622 | if [[ "$devpath" = /dev/dm-* ]]; then | |
623 | # /dev/dm-3 -> /dev/mapper/sil_ahbgadcbchfc3 | |
624 | devpath=$(dm_node "$devpath") | |
625 | fi | |
626 | ||
627 | if [ -L "$devpath" ] && ! is_lvm "$devpath" && ! is_luks "$devpath"; then | |
628 | # sanitize things like: | |
629 | # /dev/block/104:2 -> /dev/cciss/c0d0p2 | |
630 | devpath=$(readlink -f "$devpath") | |
631 | fi | |
632 | ||
633 | verbose "Finding modules for device path $devpath" | |
634 | ||
635 | if is_luks "$devpath"; then | |
636 | find_modules_luks "$devpath" | |
637 | return | |
638 | fi | |
639 | ||
640 | if is_nfs "$devpath"; then | |
641 | find_modules_nfs "$devpath" | |
642 | return | |
643 | fi | |
644 | ||
645 | if is_md "$devpath"; then | |
646 | find_modules_md "$devpath" | |
647 | return | |
648 | fi | |
649 | ||
650 | if is_multipath "$devpath"; then | |
651 | if find_modules_multipath "$devpath"; then | |
652 | return | |
653 | fi | |
654 | ||
655 | # fallback | |
656 | fi | |
657 | ||
658 | if is_dmraid "$devpath"; then | |
659 | if find_modules_dmraid "$devpath"; then | |
660 | return | |
661 | fi | |
662 | # fallback | |
663 | fi | |
664 | ||
665 | if is_scsi "$devpath"; then | |
666 | find_modules_scsi "$devpath" | |
667 | return | |
668 | fi | |
669 | ||
670 | if is_ide "$devpath"; then | |
671 | find_modules_ide "$devpath" | |
672 | return | |
673 | fi | |
674 | ||
675 | if [[ "$devpath" == /dev/nvme* ]]; then | |
676 | find_module "nvme" | |
677 | return | |
678 | fi | |
679 | ||
680 | if [[ "$devpath" == /dev/bcache* ]]; then | |
681 | find_modules_bcache "$devpath" | |
682 | return | |
683 | fi | |
684 | ||
685 | if [[ "$devpath" == /dev/rd/* ]]; then | |
686 | find_module "DAC960" | |
687 | rootdev_add=/dev/rd/ | |
688 | return | |
689 | fi | |
690 | ||
691 | if [[ "$devpath" == /dev/ida/* ]]; then | |
692 | find_module "cpqarray" | |
693 | rootdev_add=/dev/ida/ | |
694 | return | |
695 | fi | |
696 | ||
697 | if [[ "$devpath" == /dev/cciss/* ]]; then | |
698 | rootdev_add=/dev/cciss/ | |
699 | ||
700 | # load hpsa for future kernels, cciss for backwards compat | |
701 | if [ "$kernel_version_long" -ge "003000000" ]; then | |
702 | find_module "hpsa" "-cciss" | |
703 | find_modules_scsi "$devpath" | |
704 | else | |
705 | find_module "cciss" | |
706 | fi | |
707 | ||
708 | return | |
709 | fi | |
710 | ||
711 | if [[ "$devpath" == /dev/ataraid/* ]]; then | |
712 | find_modules_ide | |
713 | find_module "ataraid" | |
714 | ataraidmodules=$(modprobe_conf | awk '/ataraid_hostadapter/ { print $3 }') | |
715 | if [ -n "$ataraidmodules" ]; then | |
716 | # FIXME: think about modules compiled in kernel | |
717 | die "ataraid_hostadapter alias not defined in modprobe.conf! Please set it and run $PROGRAM again." | |
718 | fi | |
719 | for n in $ataraidmodules; do | |
720 | find_module "$n" | |
721 | done | |
722 | rootdev_add=/dev/ataraid/ | |
723 | return | |
724 | fi | |
725 | ||
726 | # check to see if we need to set up a loopback filesystem | |
727 | if [[ "$devpath" == /dev/loop* ]]; then | |
728 | die "Sorry, root on loop device isn't supported." | |
729 | # TODO: rewrite for bsp and make nfs ready | |
730 | if [ ! -x /sbin/losetup ]; then | |
731 | die "losetup is missing" | |
732 | fi | |
733 | key="^# $(echo $devpath | awk -F/ '{print($3);}' | tr '[a-z]' '[A-Z]'):" | |
734 | if ! is_yes "`awk '/'$key'/ { print( "yes"); }' $fstab`"; then | |
735 | die "The root filesystem is on a $devpath, but there is no magic entry in $fstab for this device. Consult the $PROGRAM man page for more information" | |
736 | fi | |
737 | ||
738 | line="`awk '/'$key'/ { print $0; }' $fstab`" | |
739 | loopDev="$(echo $line | awk '{print $3}')" | |
740 | loopFs="$(echo $line | awk '{print $4}')" | |
741 | loopFile="$(echo $line | awk '{print $5}')" | |
742 | ||
743 | BASICMODULES="$BASICMODULES -loop" | |
744 | find_module "-$loopFs" | |
745 | BASICMODULES="$BASICMODULES -${loopFs}" | |
746 | return | |
747 | fi | |
748 | ||
749 | if is_lvm "$devpath"; then | |
750 | find_modules_lvm "$devpath" | |
751 | return | |
752 | fi | |
753 | } | |
754 | ||
755 | firmware_install_module() { | |
756 | local module="$1" | |
757 | local firmware_files="$2" | |
758 | ||
759 | verbose "Adding Firmwares ($firmware_files) to initrd for module $module" | |
760 | # firmware not yet installed | |
761 | if [ ! -f "$DESTDIR/lib/firmware/firmware.sh" ]; then | |
762 | inst_d /lib/firmware | |
763 | cat << 'EOF' >> "$DESTDIR/lib/firmware/firmware.sh" | |
764 | #!/bin/sh -e | |
765 | # handle only firmware add requests | |
766 | if [ "$SUBSYSTEM" != "firmware" ]; then | |
767 | exit 0 | |
768 | fi | |
769 | if [ "$ACTION" != "add" ]; then | |
770 | exit 0 | |
771 | fi | |
772 | echo 1 > /sys$DEVPATH/loading | |
773 | cat "/lib/firmware/$FIRMWARE" > /sys$DEVPATH/data | |
774 | echo 0 > /sys$DEVPATH/loading | |
775 | exit 0 | |
776 | EOF | |
777 | chmod 755 "$DESTDIR/lib/firmware/firmware.sh" | |
778 | ||
779 | # setup firmware loader agent | |
780 | echo "echo -n "/lib/firmware/firmware.sh" > /proc/sys/kernel/hotplug" | add_linuxrc | |
781 | fi | |
782 | ||
783 | for firmware in $firmware_files; do | |
784 | if [ -f "/lib/firmware/$kernel/$firmware" ]; then | |
785 | FIRMWAREDIR=${firmware%/*} | |
786 | [ "$FIRMWAREDIR" != "$firmware" ] && inst_d /lib/firmware/$FIRMWAREDIR | |
787 | inst /lib/firmware/$kernel/$firmware /lib/firmware/$firmware | |
788 | elif [ -f "/lib/firmware/$firmware" ]; then | |
789 | FIRMWAREDIR=${firmware%/*} | |
790 | [ "$FIRMWAREDIR" != "$firmware" ] && inst_d /lib/firmware/$FIRMWAREDIR | |
791 | inst /lib/firmware/$firmware /lib/firmware/$firmware | |
792 | else | |
793 | warn "Possible missing firmware file /lib/firmware/$firmware or /lib/firmware/$kernel/$firmware for module $module." | |
794 | fi | |
795 | done | |
796 | ||
797 | mount_sys | |
798 | } | |
799 | ||
800 | modules_install() { | |
801 | local modules="$1" | |
802 | local mod | |
803 | ||
804 | for mod in $modules; do | |
805 | MODULEDIR=${mod%/*} | |
806 | inst_d "/lib/modules/$kernel/$MODULEDIR" | |
807 | cp -a "/lib/modules/$kernel/$mod" "$DESTDIR/lib/modules/$kernel/$mod" | |
808 | case $mod in | |
809 | *.gz) | |
810 | gunzip "$DESTDIR/lib/modules/$kernel/$mod" || die "Can't uncompress gz" | |
811 | mod=${mod%.gz} | |
812 | ;; | |
813 | *.xz) | |
814 | xz -d "$DESTDIR/lib/modules/$kernel/$mod" || die "Can't uncompress xz" | |
815 | mod=${mod%.xz} | |
816 | ;; | |
817 | *.bz2) | |
818 | bzip2 -d "$DESTDIR/lib/modules/$kernel/$mod" || die "Can't uncompress bz2" | |
819 | mod=${mod%.bz2} | |
820 | ;; | |
821 | esac | |
822 | if [ "$STRIP" ] && [ -x "$STRIP" ]; then | |
823 | $STRIP -g --remove-section=.comment "$DESTDIR/lib/modules/$kernel/${mod}" | |
824 | fi | |
825 | done | |
826 | } | |
827 | ||
828 | modules_add_linuxrc() { | |
829 | local mod modpath | |
830 | ||
831 | for mod in "$@"; do | |
832 | # module path without optional compression | |
833 | modpath=${mod%.gz} | |
834 | modpath=${modpath%.xz} | |
835 | modpath=${modpath%.bz2} | |
836 | ||
837 | # name of the module | |
838 | local module=${modpath##*/}; module=${module%$modext} | |
839 | local options=$(modprobe_options "$module") | |
840 | local genericname=$(echo $module | tr - _) | |
841 | local usleep=$(eval echo \$MODULE_${genericname}_USLEEP) | |
842 | local firmware=$(eval echo \$MODULE_${genericname}_FIRMWARE) | |
843 | ||
844 | if [ "$module" = "scsi_mod" -a "$kernel_version_long" -ge "002006030" ]; then | |
845 | options="scan=sync $options" | |
846 | fi | |
847 | ||
848 | if [ x"$verbose" = x"-v" ]; then | |
849 | s="" | |
850 | if [ "$options" ]; then | |
851 | s="$s with options [$options]" | |
852 | fi | |
853 | if [ "$usleep" ]; then | |
854 | s="$s and $usleep usleep" | |
855 | fi | |
856 | verbose "Loading module [$module]$s" | |
857 | fi | |
858 | ||
859 | if [ -n "$firmware" ]; then | |
860 | firmware_install_module "$module" "$firmware" | |
861 | else | |
862 | for file in $(find_firmware "$module"); do | |
863 | firmware_install_module "$module" "$file" | |
864 | done | |
865 | fi | |
866 | ||
867 | echo "insmod /lib/modules/$kernel/$modpath $options" | add_linuxrc | |
868 | if [ -n "$usleep" ]; then | |
869 | echo "usleep $usleep" | add_linuxrc | |
870 | fi | |
871 | if [ "$module" = "scsi_wait_scan" ]; then | |
872 | if [ "$(busybox_applet rmmod 2>/dev/null; echo $?)" = 0 ]; then | |
873 | echo "rmmod scsi_wait_scan" | add_linuxrc | |
874 | fi | |
875 | fi | |
876 | ||
877 | done | |
878 | } | |
879 | ||
880 | # Generates /dev nodes based on /proc/partitions information. | |
881 | # Needs /proc mounted. | |
882 | # Can be called multiple times. | |
883 | initrd_gen_devices() { | |
884 | if is_yes "$proc_partitions"; then | |
885 | return | |
886 | fi | |
887 | proc_partitions=yes | |
888 | ||
889 | mount_dev | |
890 | add_linuxrc <<-'EOF' | |
891 | : 'Making device nodes' | |
892 | cat /proc/partitions | ( | |
893 | # ignore first two lines: header, empty line | |
894 | read b; read b | |
895 | ||
896 | while read major minor blocks dev rest; do | |
897 | node=/dev/$dev | |
898 | mkdir -p ${node%/*} | |
899 | [ -e $node ] || mknod -m 660 $node b $major $minor | |
900 | done | |
901 | ) | |
902 | EOF | |
903 | } | |
904 | ||
905 | ||
906 | initrd_gen_setrootdev() { | |
907 | verbose "Adding rootfs finding based on kernel cmdline root= option support." | |
908 | busybox_applet ls | |
909 | debug "Current /proc/partitions:\n$(sed -e 's,^,| ,' /proc/partitions)" | |
910 | add_linuxrc <<-'EOF' | |
911 | if [ "${ROOT##/dev/}" != "${ROOT}" ]; then | |
912 | rootnr="$(busybox awk -v rootnode="${ROOT##/dev/}" '$4 == rootnode { print 256 * $1 + $2 }' /proc/partitions)" | |
913 | # fallback to ls, try two different formats | |
914 | # http://lists.pld-linux.org/mailman/pipermail/pld-devel-en/2014-May/023915.html | |
915 | if [ "${rootnr:-0}" = 0 -a -e "$ROOT" ]; then | |
916 | # busybox up to 1.22 | |
917 | rootnr="$(busybox ls -lL ${ROOT} | busybox awk '{if (/^b/) { print 256 * $3 + $4; }}')" | |
918 | fi | |
919 | if [ "${rootnr:-0}" = 0 -a -e "$ROOT" ]; then | |
920 | # busybox 1.22 and upwards | |
921 | rootnr="$(busybox ls -lL ${ROOT} | busybox awk '{if (/^b/) { print 256 * $5 + $6; }}')" | |
922 | fi | |
923 | if [ "${rootnr:-0}" -gt 0 ]; then | |
924 | echo "$rootnr" > /proc/sys/kernel/real-root-dev | |
925 | fi | |
926 | fi | |
927 | EOF | |
928 | } | |
929 | ||
930 | initrd_gen_initramfs_switchroot() { | |
931 | inst_d /newroot | |
932 | if [ "$rootdev" = "/dev/nfs" ]; then | |
933 | echo "rootfs on NFS root=/dev/nfs" | |
934 | else | |
935 | [ ! -e "$DESTDIR/$rootdev" ] && inst $rootdev $rootdev | |
936 | fi | |
937 | ||
938 | # parse 'root=xxx' kernel commandline | |
939 | # We support passing root as hda3 /dev/hda3 0303 0x0303 and 303 | |
940 | ||
941 | # from lilo-23.2/readme/README: | |
942 | # root=<device> changes the root device. This overrides settings that may | |
943 | # have been made in the boot image and on the LILO command line. <device> is | |
944 | # either the hexadecimal device number or the full path name of the device, | |
945 | # e.g. /dev/hda3 [*] | |
946 | # | |
947 | # * The device names are hard-coded in the kernel. Therefore, only the | |
948 | # "standard" names are supported and some less common devices may not be | |
949 | # recognized. In those cases, only numbers can be used. | |
950 | busybox_applet cat | |
951 | add_linuxrc <<-'EOF' | |
952 | device= | |
953 | eval "$(busybox awk -v root="$ROOT" ' | |
954 | function h2d(str, hstr, res, num, n, digit, i) { # http://9fans.net/archive/2006/09/261 | |
955 | hstr = "0123456789abdcef"; res = 0; | |
956 | n = split(tolower(str), digit, ""); | |
957 | ||
958 | for (i = 1; i <= n; i++) { | |
959 | num = index(hstr, digit[i]) - 1; | |
960 | res = res + (num * 16 ^ (n - i)); | |
961 | } | |
962 | return res; | |
963 | } | |
964 | BEGIN { | |
965 | num_pattern_short = "[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]"; | |
966 | num_pattern = "[0-9a-fA-F]" num_pattern_short; | |
967 | dev_pattern = "[hms][a-z][a-z]([0-9])+"; | |
968 | partition = ""; min = -1; maj = -1; | |
969 | ||
970 | if (root ~ "^\/dev\/" dev_pattern "$" || root ~ "^" dev_pattern "$") { # see if we have /dev/hdX or hdX, we can just take partition name | |
971 | partition = root; sub("^/dev/", "", partition); | |
972 | } else { # unify values first | |
973 | if (root ~ "^" num_pattern_short "$") { # change "303" => "0x0303" | |
974 | root = "0x0" root | |
975 | } else if (root ~ "^" num_pattern "$") { # change "0303" => "0x0303" | |
976 | root = "0x" root | |
977 | } | |
978 | maj = h2d(substr(root, 3, 2)); | |
979 | min = h2d(substr(root, 5, 2)); | |
980 | } | |
981 | } | |
982 | partition && $4 == partition { maj = $1; min = $2; } | |
983 | $1 == maj && $2 == min { partition = $4; } | |
984 | END { | |
985 | if (maj >= 0 && min >= 0) { printf("maj=%s; min=%s;\n", maj, min); } | |
986 | if (partition) { printf("device=/dev/%s;\n", partition); } | |
987 | }' /proc/partitions)" | |
988 | ||
989 | if [ -z "$device" ]; then | |
990 | if [ "$DEBUGINITRD" -a "$DEBUGINITRD" != 'sh' ]; then | |
991 | cat /proc/partitions | |
992 | fi | |
993 | device=$ROOT | |
994 | fi | |
995 | ||
996 | if [ "$device" -a ! -b $device -a "$maj$min" ]; then | |
997 | mknod -m 660 $device b $maj $min | |
998 | fi | |
999 | ||
1000 | # XXX hack, fallback to rootdev from geninitrd time | |
1001 | if [ ! -e "$device" ]; then | |
1002 | EOF | |
1003 | add_linuxrc <<-EOF | |
1004 | device="$rootdev" | |
1005 | EOF | |
1006 | add_linuxrc <<-'EOF' | |
1007 | echo "DEVICE set to $device based on fstab entry from initrd gen time" | |
1008 | fi | |
1009 | ||
1010 | # XXX hack, if no device, try to parse it from /proc/partitions using /proc/sys/kernel/real-root-dev | |
1011 | if [ ! -e "$device" ]; then | |
1012 | rrd=$(cat /proc/sys/kernel/real-root-dev) | |
1013 | major=$(($rrd / 256)) | |
1014 | minor=$(($rrd % 256)) | |
1015 | ||
1016 | while read pmajor pminor blocks dev rest; do | |
1017 | # skip header and empty line | |
1018 | [ -z "$pmajor" -o "$pmajor" = "major" ] && continue | |
1019 | ||
1020 | if [ $pmajor = $major -a $pminor = $minor ]; then | |
1021 | device=/dev/$dev | |
1022 | echo "DEVICE set to $device based on real-root-dev" | |
1023 | fi | |
1024 | done < /proc/partitions | |
1025 | fi | |
1026 | ||
1027 | [ -n "$ROOTFLAGS" ] && ROOTFLAGS="-o $ROOTFLAGS" | |
1028 | ||
1029 | mount -t $ROOTFS -r $device $ROOTFLAGS /newroot || echo "Mount of rootfs failed." | |
1030 | init=$INIT | |
1031 | if [ -z "$init" -o ! -x "/newroot$init" ]; then | |
1032 | init=/sbin/init | |
1033 | fi | |
1034 | EOF | |
1035 | ||
1036 | busybox_applet dmesg | |
1037 | busybox_applet tail | |
1038 | add_linuxrc <<-'EOF' | |
1039 | if [ "$DEBUGINITRD" -a "$DEBUGINITRD" != 'sh' ]; then | |
1040 | echo "Last 20 lines of dmesg:" | |
1041 | dmesg | tail -n 20 | |
1042 | fi | |
1043 | ||
1044 | EOF | |
1045 | ||
1046 | kmsg "geninitrd/$VERSION switching root" | |
1047 | ||
1048 | umount_all | |
1049 | busybox_applet switch_root usleep | |
1050 | add_linuxrc <<-'EOF' | |
1051 | [ ! -e /newroot/dev/console ] && mknod -m 660 /newroot/dev/console c 5 1 | |
1052 | ||
1053 | # switch root to empty dir will make kernel panic, so sleep 10s before it | |
1054 | # switch_root needs to be pid 1, so there's no other way to recover from here | |
1055 | # if /dev is missing, switch root will likely fail, give debug shell before that | |
1056 | if [ ! -d /newroot/dev ]; then | |
1057 | echo "/dev is missing, switch_root will likely fail" | |
1058 | echo "if you booted with debugrd=sh, then you be given shell and you might able to recover this situation" | |
1059 | debugshell | |
1060 | [ "$DEBUGINITRD" ] || usleep 10000000 | |
1061 | fi | |
1062 | ||
1063 | # systemd[1]: /usr appears to be on its own filesytem and is not | |
1064 | # already mounted. This is not a supported setup. Some things will | |
1065 | # probably break (sometimes even silently) in mysterious ways. Consult | |
1066 | # http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken | |
1067 | # for more information. | |
1068 | echo trying to mount /usr | |
1069 | chroot /newroot mount -n /usr | |
1070 | ||
1071 | exec switch_root /newroot $init ${1:+"$@"} | |
1072 | ||
1073 | # FIXME: this code is never executed, as "exec" does not return! | |
1074 | ||
1075 | echo "Error! initramfs should not reach this place." | |
1076 | echo "It probably means you've got old version of busybox, with broken" | |
1077 | echo "initramfs support. Trying to boot anyway, but won't promise anything." | |
1078 | ||
1079 | exec chroot /newroot $init ${1:+"$@"} | |
1080 | ||
1081 | echo "Failed to chroot!" | |
1082 | debugshell | |
1083 | EOF | |
1084 | # we need /init being real file, not symlink, otherwise the initramfs will | |
1085 | # not be ran by pid 1 which is required for switch_root | |
1086 | mv $DESTDIR/linuxrc $DESTDIR/init | |
1087 | ln -s init $DESTDIR/linuxrc | |
1088 | } | |
1089 | ||
1090 | # find if $symbol exists in System.map $mapfile | |
1091 | sym_exists() { | |
1092 | local mapfile="$1" | |
1093 | local symbol="$2" | |
1094 | if [ ! -f $mapfile ]; then | |
1095 | # missing mapfile (not a pld kernel?) | |
1096 | return 1 | |
1097 | fi | |
1098 | ||
1099 | awk -vc=1 -vsymbol="$symbol" '(tolower($2) == "t" || tolower($2) == "d") && $3 == symbol {c = 0} END {exit c}' $mapfile | |
1100 | } | |
1101 | ||
1102 | # find best compressor (or forced one) for initrd | |
1103 | find_compressor() { | |
1104 | local mode="$1" | |
1105 | local compressors='zstd xz lzma bzip2 gzip lzo' | |
1106 | ||
1107 | # a specified one, take it | |
1108 | if ! is_yes "$mode"; then | |
1109 | compressors="$mode" | |
1110 | fi | |
1111 | ||
1112 | verbose "finding compressor: $compressors (via $mode)" | |
1113 | # check for compressor validity | |
1114 | local c prog map=/boot/System.map-$kernel | |
1115 | for c in $compressors; do | |
1116 | case $c in | |
1117 | xz) | |
1118 | sym=unxz | |
1119 | prog=/usr/bin/xz | |
1120 | ;; | |
1121 | lzma) | |
1122 | sym=unlzma | |
1123 | prog=/usr/bin/xz | |
1124 | ;; | |
1125 | bzip2) | |
1126 | sym=bzip2 | |
1127 | prog=/usr/bin/bzip2 | |
1128 | ;; | |
1129 | gzip) | |
1130 | sym=gunzip | |
1131 | prog=/bin/gzip | |
1132 | ;; | |
1133 | lzo) | |
1134 | sym=unlzo | |
1135 | prog=/usr/bin/lzop | |
1136 | ;; | |
1137 | zstd) | |
1138 | sym=zstd | |
1139 | prog=/usr/bin/zstd | |
1140 | ;; | |
1141 | none|no) | |
1142 | # any existing sym will work | |
1143 | sym=initrd_load | |
1144 | prog=/bin/cat | |
1145 | ;; | |
1146 | *) | |
1147 | die "Unknown compressor $c" | |
1148 | ;; | |
1149 | esac | |
1150 | if sym_exists $map $sym && [ -x $prog ]; then | |
1151 | echo $c | |
1152 | return | |
1153 | fi | |
1154 | done | |
1155 | ||
1156 | verbose "using gzip for compressor (fallback)" | |
1157 | echo gzip | |
1158 | } | |
1159 | ||
1160 | # compresses kernel image image | |
1161 | # in function so we could retry with other compressor on failure | |
1162 | compress_image() { | |
1163 | local compressor="$1" IMAGE="$2" target="$3" tmp | |
1164 | tmp=$(mktemp "$target".XXXXXX) || die "mktemp failed" | |
1165 | ||
1166 | case "$compressor" in | |
1167 | xz) | |
1168 | # don't use -9 here since kernel won't understand it | |
1169 | xz --format=xz --check=crc32 --lzma2=preset=6e,dict=1MiB < "$IMAGE" > "$tmp" || return $? | |
1170 | ;; | |
1171 | lzma) | |
1172 | xz --format=lzma -9 < "$IMAGE" > "$tmp" || return $? | |
1173 | ;; | |
1174 | bzip2) | |
1175 | bzip2 -9 < "$IMAGE" > "$tmp" || return $? | |
1176 | ;; | |
1177 | gzip) | |
1178 | gzip -9 < "$IMAGE" > "$tmp" || return $? | |
1179 | ;; | |
1180 | lzo) | |
1181 | lzop -9 < "$IMAGE" > "$tmp" || return $? | |
1182 | ;; | |
1183 | zstd) | |
1184 | zstd -9 < "$IMAGE" > "$tmp" || return $? | |
1185 | ;; | |
1186 | none|no) | |
1187 | cat < "$IMAGE" > "$tmp" || return $? | |
1188 | ;; | |
1189 | esac | |
1190 | ||
1191 | mv -f "$tmp" "$target" | |
1192 | } | |
1193 | ||
1194 | # prepend file to image | |
1195 | prepend_file_to_image() { | |
1196 | local file="$1" target="$2" tmp | |
1197 | tmp=$(mktemp "$target".XXXXXX) || die "mktemp failed" | |
1198 | ||
1199 | cat "$file" "$target" > "$tmp" || return $? | |
1200 | ||
1201 | mv -f "$tmp" "$target" | |
1202 | } | |
1203 | ||
1204 | if [ -r /etc/sysconfig/geninitrd ]; then | |
1205 | . /etc/sysconfig/geninitrd | |
1206 | fi | |
1207 | ||
1208 | if [ ! -f /proc/mounts ]; then | |
1209 | warn "/proc filesystem not mounted, may cause wrong results or failure." | |
1210 | fi | |
1211 | ||
1212 | geninitrd_load_mods ide luks multipath dmraid lvm md blkid udev swsusp tuxonice suspend fbsplash condecor bootsplash uvesafb nfs sata scsi usbkbd bcache | |
1213 | ||
1214 | while [ $# -gt 0 ]; do | |
1215 | case $1 in | |
1216 | --fstab=*) | |
1217 | fstab=${1#--fstab=} | |
1218 | ;; | |
1219 | --fstab) | |
1220 | fstab=$2 | |
1221 | shift | |
1222 | ;; | |
1223 | --modules-conf=*) | |
1224 | modulefile=${1#--modules-conf=} | |
1225 | ;; | |
1226 | --modules-conf) | |
1227 | modulefile=$2 | |
1228 | shift | |
1229 | ;; | |
1230 | --with-bootsplash) | |
1231 | BOOT_SPLASH=yes | |
1232 | ;; | |
1233 | --without-bootsplash) | |
1234 | BOOT_SPLASH=no | |
1235 | ;; | |
1236 | --with-fbsplash) | |
1237 | FB_SPLASH=yes | |
1238 | ;; | |
1239 | --without-fbsplash) | |
1240 | FB_SPLASH=no | |
1241 | ;; | |
1242 | --with-fbcondecor) | |
1243 | FB_CON_DECOR=yes | |
1244 | ;; | |
1245 | --without-fbcondecor) | |
1246 | FB_CON_DECOR=no | |
1247 | ;; | |
1248 | --without-swsusp) | |
1249 | USE_SWSUSP=no | |
1250 | ;; | |
1251 | --with-suspend) | |
1252 | USE_SUSPEND=yes | |
1253 | ;; | |
1254 | --without-suspend) | |
1255 | USE_SUSPEND=no | |
1256 | ;; | |
1257 | --with-suspend2 | --with-tuxonice) | |
1258 | USE_TUXONICE=yes | |
1259 | ;; | |
1260 | --without-suspend2 | --without-tuxonice) | |
1261 | USE_TUXONICE=no | |
1262 | ;; | |
1263 | --lvmversion=*) | |
1264 | LVMTOOLSVERSION=${1#--lvmversion=} | |
1265 | ;; | |
1266 | --lvmtoolsversion=*) | |
1267 | LVMTOOLSVERSION=${1#--lvmtoolsversion=} | |
1268 | ;; | |
1269 | --lvmtoolsversion|--lvmversion) | |
1270 | LVMTOOLSVERSION=$2 | |
1271 | shift | |
1272 | ;; | |
1273 | --without-udev) | |
1274 | USE_UDEV=no | |
1275 | ;; | |
1276 | --with-udev) | |
1277 | USE_UDEV=yes | |
1278 | ;; | |
1279 | --without-dmraid) | |
1280 | USE_DMRAID=no | |
1281 | ;; | |
1282 | --without-multipath) | |
1283 | USE_MULTIPATH=no | |
1284 | ;; | |
1285 | --with-multipath=*) | |
1286 | USE_MULTIPATH=${1#--with-multipath=} | |
1287 | ;; | |
1288 | --without-blkid) | |
1289 | USE_BLKID=no | |
1290 | ;; | |
1291 | --without-luks) | |
1292 | USE_LUKS=no | |
1293 | ;; | |
1294 | --with=*) | |
1295 | BASICMODULES="$BASICMODULES ${1#--with=}" | |
1296 | ;; | |
1297 | --with) | |
1298 | BASICMODULES="$BASICMODULES $2" | |
1299 | shift | |
1300 | ;; | |
1301 | --version) | |
1302 | echo "$PROGRAM: version $VERSION" | |
1303 | exit 0 | |
1304 | ;; | |
1305 | -v) | |
1306 | if [ x"$verbose" = x"-v" ]; then | |
1307 | verbose="-v -v" | |
1308 | else | |
1309 | verbose="-v" | |
1310 | fi | |
1311 | exec 3>&1 | |
1312 | ;; | |
1313 | --compress) | |
1314 | COMPRESS=$2 | |
1315 | ;; | |
1316 | --compress=*) | |
1317 | COMPRESS="${1#--compress=}" | |
1318 | ;; | |
1319 | --nocompress) | |
1320 | COMPRESS=no | |
1321 | ;; | |
1322 | --nostrip) | |
1323 | STRIP= | |
1324 | ;; | |
1325 | --strip=*) | |
1326 | STRIP="${1#--strip=}" | |
1327 | ;; | |
1328 | --strip) | |
1329 | STRIP=$2 | |
1330 | shift | |
1331 | ;; | |
1332 | --ifneeded) | |
1333 | ifneeded=1 | |
1334 | ;; | |
1335 | -f) | |
1336 | force=1 | |
1337 | ;; | |
1338 | --preload=*) | |
1339 | PREMODS="$PREMODS ${1#--preload=}" | |
1340 | ;; | |
1341 | --preload) | |
1342 | PREMODS="$PREMODS $2" | |
1343 | shift | |
1344 | ;; | |
1345 | --fs=* | --fs) | |
1346 | die "--fs option is obsoleted. Use --initrdfs instead" | |
1347 | ;; | |
1348 | --initrdfs=*) | |
1349 | INITRDFS=${1#--initrdfs=} | |
1350 | ;; | |
1351 | --initrdfs) | |
1352 | INITRDFS=$2 | |
1353 | shift | |
1354 | ;; | |
1355 | --image-version) | |
1356 | img_vers=yes | |
1357 | ;; | |
1358 | --ide-only-root) | |
1359 | ide_only_root="yes" | |
1360 | ;; | |
1361 | *) | |
1362 | if [ -z "$target" ]; then | |
1363 | target="$1" | |
1364 | elif [ -z "$kernel" ]; then | |
1365 | kernel="$1" | |
1366 | else | |
1367 | usage | |
1368 | exit 1 | |
1369 | fi | |
1370 | ;; | |
1371 | esac | |
1372 | ||
1373 | shift | |
1374 | done | |
1375 | ||
1376 | if [ -z "$target" -o -z "$kernel" ]; then | |
1377 | usage | |
1378 | exit 1 | |
1379 | fi | |
1380 | ||
1381 | # main() | |
1382 | if [ "$(id -u)" != 0 ]; then | |
1383 | die "You need to be root to generate initrd" | |
1384 | fi | |
1385 | ||
1386 | for dir in libx32 lib64 lib; do | |
1387 | initrd_dir=/usr/$dir/initrd | |
1388 | if [ -d "$initrd_dir" ]; then | |
1389 | initrd_dirs="$initrd_dirs $initrd_dir" | |
1390 | fi | |
1391 | done | |
1392 | ||
1393 | kernel_version=$(echo "$kernel" | awk -F. '{gsub(/[_-].*/, "", $0); print sprintf("%03d%03d",$1,$2)}') | |
1394 | kernel_version_long=$(echo "$kernel" | awk -F. '{gsub(/[_-].*/, "", $0); print sprintf("%03d%03d%03d",$1,$2,$3)}') | |
1395 | ||
1396 | verbose "# geninitrd $VERSION" | |
1397 | debug "Using initrd_dir: $initrd_dir" | |
1398 | ||
1399 | busybox=$(find_tool $initrd_dir/busybox $initrd_dir/initrd-busybox /bin/initrd-busybox) || die "Couldn't find busybox suitable for initrd" | |
1400 | ||
1401 | # we setup mods after parsing command line args | |
1402 | geninitrd_setup_mods | |
1403 | ||
1404 | if [ ! -f /boot/vmlinuz-"$kernel" ]; then | |
1405 | warn "/boot/vmlinuz-$kernel doesn't exist, is your /boot mounted?" | |
1406 | fi | |
1407 | ||
1408 | if [ -z "$INITRDFS" ]; then | |
1409 | if [ -n "$FS" ]; then | |
1410 | # FS= can came only via /etc/sysconfig/geninitrd likely? | |
1411 | die "FS configuration option is obsoleted. Use INITRDFS instead" | |
1412 | fi | |
1413 | ||
1414 | # default value | |
1415 | if [ "$kernel_version" -ge "002005" ]; then | |
1416 | INITRDFS="initramfs" | |
1417 | else | |
1418 | INITRDFS="rom" | |
1419 | fi | |
1420 | fi | |
1421 | ||
1422 | check_initrd_fs() { | |
1423 | local s sfound sym p prog map=/boot/System.map-$kernel | |
1424 | case "$INITRDFS" in | |
1425 | ext2) | |
1426 | # TODO: symbols to check in case of ext2 used via ext3/4 subsystem | |
1427 | sym=init_ext2_fs | |
1428 | prog=/sbin/mke2fs | |
1429 | ;; | |
1430 | rom|romfs) | |
1431 | sym=init_romfs_fs | |
1432 | prog=/sbin/genromfs | |
1433 | ;; | |
1434 | cram|cramfs) | |
1435 | sym=init_cramfs_fs | |
1436 | prog=/sbin/mkcramfs | |
1437 | ;; | |
1438 | initramfs) | |
1439 | sym=__initramfs_start | |
1440 | prog="/bin/cpio /usr/bin/find" | |
1441 | ;; | |
1442 | *) | |
1443 | die "Filesystem $INITRDFS on initrd is not supported by geninitrd" | |
1444 | ;; | |
1445 | esac | |
1446 | ||
1447 | # only one is needed (for cases like ext2 via ext2 or via ext3 or via ext4 subsysytem) | |
1448 | sfound=0 | |
1449 | for s in $sym; do | |
1450 | sym_exists $map $s && sfound=1 | |
1451 | break | |
1452 | done | |
1453 | if [ "$sfound" -eq "0" ]; then | |
1454 | die "Filesystem $INITRDFS on initrd is not supported by kernel" | |
1455 | fi | |
1456 | ||
1457 | for p in $prog; do | |
1458 | [ ! -x "$p" ] && die "$prog is missing" | |
1459 | done | |
1460 | } | |
1461 | check_initrd_fs | |
1462 | ||
1463 | if [ -L "$target" ]; then | |
1464 | target=$(readlink -f "$target") | |
1465 | fi | |
1466 | ||
1467 | if [ -n "$img_vers" ]; then | |
1468 | target="$target-$kernel" | |
1469 | fi | |
1470 | ||
1471 | if [ -z "$force" -a -f "$target" ]; then | |
1472 | die "$target already exists." | |
1473 | fi | |
1474 | ||
1475 | if [ ! -d "/lib/modules/$kernel" ]; then | |
1476 | die "/lib/modules/$kernel is not a directory." | |
1477 | fi | |
1478 | ||
1479 | if [ "$kernel_version" -ge "002005" ]; then | |
1480 | modext=".ko" | |
1481 | fi | |
1482 | ||
1483 | cache_modprobe_conf | |
1484 | ||
1485 | for n in $PREMODS; do | |
1486 | find_module "$n" | |
1487 | done | |
1488 | ||
1489 | if [ "$FBMODULE" ]; then | |
1490 | find_module "$FBMODULE" | |
1491 | fi | |
1492 | ||
1493 | # autodetect USB keyboards | |
1494 | find_modules_usbkbd | |
1495 | ||
1496 | # allow forcing loading SCSI and/or IDE modules | |
1497 | # XXX: where ADDSCSI cames from? drop? | |
1498 | if is_yes "$ADDSCSI"; then | |
1499 | find_modules_scsi | |
1500 | fi | |
1501 | ||
1502 | # autodetect SATA modules | |
1503 | find_modules_sata | |
1504 | ||
1505 | # XXX: where ADDIDE cames from? drop? | |
1506 | if is_yes "$ADDIDE"; then | |
1507 | find_modules_ide | |
1508 | fi | |
1509 | ||
1510 | if is_yes "$USE_SUSPEND"; then | |
1511 | find_modules_suspend | |
1512 | fi | |
1513 | ||
1514 | if is_yes "$USE_SWSUSP"; then | |
1515 | find_modules_swsusp | |
1516 | fi | |
1517 | ||
1518 | find_root "$fstab" || exit | |
1519 | verbose "Using $rootdev as device for rootfs" | |
1520 | ||
1521 | find_modules_for_devpath "$rootdev" | |
1522 | ||
1523 | # if USE_MULTIPATH is path to device, scan that too | |
1524 | # this is to bootstrap multipath setup into initrd. | |
1525 | if ! is_no "$USE_MULTIPATH" && ! is_yes "$USE_MULTIPATH"; then | |
1526 | find_modules_multipath $USE_MULTIPATH | |
1527 | fi | |
1528 | ||
1529 | find_module "-$rootFs" | |
1530 | ||
1531 | for n in $BASICMODULES; do | |
1532 | find_module "$n" | |
1533 | done | |
1534 | ||
1535 | if is_yes "$USE_TUXONICE"; then | |
1536 | find_module "-lzf" | |
1537 | fi | |
1538 | ||
1539 | find_modules_uvesafb | |
1540 | find_modules_fbsplash | |
1541 | ||
1542 | if [ -n "$ifneeded" -a -z "$MODULES" ]; then | |
1543 | verbose "No modules are needed -- not building initrd image." | |
1544 | exit 0 | |
1545 | fi | |
1546 | ||
1547 | verbose "Building initrd..." | |
1548 | DESTDIR=$(mktemp -d -t initrd.XXXXXX) || die "mktemp failed" | |
1549 | RCFILE="$DESTDIR/linuxrc" | |
1550 | > "$RCFILE" | |
1551 | chmod a+rx "$RCFILE" | |
1552 | ln -s linuxrc $DESTDIR/init | |
1553 | ||
1554 | # create dirs that we really need | |
1555 | inst_d /{lib,bin,sbin,etc,dev{,/pts,/shm},loopfs,var,proc,run,sys,tmp} | |
1556 | ||
1557 | modules_install "$MODULES" | |
1558 | ||
1559 | # mknod'ing the devices instead of copying them works both with and | |
1560 | # without devfs... | |
1561 | mknod -m 600 "$DESTDIR/dev/console" c 5 1 | |
1562 | mknod -m 666 "$DESTDIR/dev/null" c 1 3 | |
1563 | mknod -m 666 "$DESTDIR/dev/zero" c 1 5 | |
1564 | mknod -m 666 "$DESTDIR/dev/random" c 1 8 | |
1565 | mknod -m 666 "$DESTDIR/dev/urandom" c 1 9 | |
1566 | mknod -m 644 "$DESTDIR/dev/kmsg" c 1 11 | |
1567 | ||
1568 | inst_exec $busybox /bin/busybox | |
1569 | ln -s busybox $DESTDIR/bin/sh | |
1570 | # for older busyboxes who had /bin/initrd-busybox as EXEPATH | |
1571 | ln -s busybox $DESTDIR/bin/initrd-busybox | |
1572 | ||
1573 | add_linuxrc <<EOF | |
1574 | #!/bin/sh | |
1575 | # initrd generated by geninitrd/$VERSION | |
1576 | # on $(LC_ALL=C date) | |
1577 | ||
1578 | EOF | |
1579 | load_font | |
1580 | mount_proc | |
1581 | ||
1582 | kmsg "geninitrd/$VERSION starting" | |
1583 | ||
1584 | inst_d /lib/geninitrd/ | |
1585 | inst /lib/geninitrd/functions.initrd /lib/geninitrd/functions.initrd | |
1586 | ||
1587 | add_linuxrc <<-EOF | |
1588 | . /lib/geninitrd/functions.initrd | |
1589 | # builtin defaults from geninitrd | |
1590 | ROOT=$rootdev | |
1591 | ROOTFS=$rootFs | |
1592 | EOF | |
1593 | add_linuxrc <<-'EOF' | |
1594 | read CMDLINE < /proc/cmdline | |
1595 | ||
1596 | for arg in $CMDLINE; do | |
1597 | if [ "${arg}" = "debuginitrd" ] || [ "${arg}" = "debugrd" ]; then | |
1598 | DEBUGINITRD=yes | |
1599 | fi | |
1600 | if [ "${arg##debuginitrd=}" != "${arg}" ] || [ "${arg##debugrd=}" != "${arg}" ]; then | |
1601 | DEBUGINITRD=${arg##debug*rd=} | |
1602 | fi | |
1603 | if [ "${arg##root=}" != "${arg}" ]; then | |
1604 | ROOT=${arg##root=} | |
1605 | fi | |
1606 | if [ "${arg##rootfs=}" != "${arg}" ]; then | |
1607 | ROOTFS=${arg##rootfs=} | |
1608 | fi | |
1609 | if [ "${arg##rootflags=}" != "${arg}" ]; then | |
1610 | ROOTFLAGS=${arg##rootflags=} | |
1611 | fi | |
1612 | if [ "${arg##rootfsflags=}" != "${arg}" ]; then | |
1613 | ROOTFSFLAGS=${arg##rootfsflags=} | |
1614 | fi | |
1615 | if [ "${arg##init=}" != "${arg}" ]; then | |
1616 | INIT=${arg##init=} | |
1617 | fi | |
1618 | done | |
1619 | ||
1620 | # handling of invalid, rootfsflags, option | |
1621 | if [ -n "$ROOTFSFLAGS" ]; then | |
1622 | if [ -n "$ROOTFLAGS" ]; then | |
1623 | ROOTFLAGS="$ROOTFLAGS,$ROOTFSFLAGS" | |
1624 | else | |
1625 | ROOTFLAGS="$ROOTFSFLAGS" | |
1626 | fi | |
1627 | fi | |
1628 | ||
1629 | if [ "$DEBUGINITRD" = "sh" ]; then | |
1630 | # export some vars to subshell for debug to work | |
1631 | export CMDLINE ROOT ROOTFS ROOTDEV ROOTFLAGS DEBUGINITRD INIT | |
1632 | export LVM_ROOTVG LVM_SUSPENDVG LVM_VGVOLUMES | |
1633 | export rootnr attrs majmin major minor device | |
1634 | ||
1635 | # make debugshell() invoke subshell if $DEBUGINITRD=sh | |
1636 | debugshell() { | |
1637 | EOF | |
1638 | if is_yes "$RUN_SULOGIN_ON_ERR"; then | |
1639 | add_linuxrc <<-'EOF' | |
1640 | echo "debug shell disabled by RUN_SULOGIN_ON_ERR=yes from /etc/sysconfig/system during initrd generation time" | |
1641 | EOF | |
1642 | else | |
1643 | add_linuxrc <<-'EOF' | |
1644 | sh | |
1645 | EOF | |
1646 | fi | |
1647 | add_linuxrc <<-'EOF' | |
1648 | } | |
1649 | else | |
1650 | debugshell() { | |
1651 | : | |
1652 | } | |
1653 | fi | |
1654 | ||
1655 | if [ "$DEBUGINITRD" ]; then | |
1656 | set -x | |
1657 | fi | |
1658 | EOF | |
1659 | ||
1660 | # mount early | |
1661 | mount_tmp | |
1662 | mount_run | |
1663 | ||
1664 | modules_add_linuxrc $MODULES | |
1665 | ||
1666 | # TODO: rewrite for busybox | |
1667 | #if [ -n "$loopDev" ]; then | |
1668 | # if [ ! -d /initrd ]; then | |
1669 | # mkdir /initrd | |
1670 | # fi | |
1671 | # | |
1672 | # cp -a "$loopDev" "$DESTDIR/dev" | |
1673 | # cp -a "$rootdev" "$DESTDIR/dev" | |
1674 | # echo "echo Mounting device containing loopback root filesystem" >> "$RCFILE" | |
1675 | # echo "mount -t $loopFs $loopDev /loopfs" >> "$RCFILE" | |
1676 | # echo "echo Setting up loopback device $rootdev" >> $RCFILE | |
1677 | # echo "losetup $rootdev /loopfs$loopFile" >> "$RCFILE" | |
1678 | #fi | |
1679 | ||
1680 | if is_yes "$USE_UDEV"; then | |
1681 | initrd_gen_udev | |
1682 | else | |
1683 | initrd_gen_mdev | |
1684 | fi | |
1685 | ||
1686 | initrd_gen_uvesafb | |
1687 | initrd_gen_luks | |
1688 | initrd_gen_dmraid | |
1689 | initrd_gen_multipath | |
1690 | initrd_gen_blkid | |
1691 | ||
1692 | if is_yes "$have_nfs"; then | |
1693 | initrd_gen_nfs | |
1694 | else | |
1695 | initrd_gen_md | |
1696 | initrd_gen_lvm | |
1697 | initrd_gen_bcache | |
1698 | initrd_gen_blkid | |
1699 | initrd_gen_luks | |
1700 | initrd_gen_setrootdev | |
1701 | fi | |
1702 | ||
1703 | # additional devs always needed | |
1704 | [ ! -e "$DESTDIR/$rootdev_add" ] && inst $rootdev_add /dev | |
1705 | ||
1706 | initrd_gen_stop_udevd | |
1707 | initrd_gen_stop_mdev | |
1708 | initrd_gen_stop_uvesafb | |
1709 | ||
1710 | # resume after killing local processes | |
1711 | initrd_gen_tuxonice | |
1712 | initrd_gen_suspend | |
1713 | initrd_gen_swsusp | |
1714 | ||
1715 | # clean up env | |
1716 | add_linuxrc <<-'EOF' | |
1717 | if [ ! "$DEBUGINITRD" ]; then | |
1718 | ifs=$IFS | |
1719 | IFS=" | |
1720 | " | |
1721 | for i in $(export -p); do | |
1722 | i=${i#declare -x } # ksh/bash | |
1723 | i=${i#export } # busybox | |
1724 | ||
1725 | case "$i" in | |
1726 | *=*) | |
1727 | : ;; | |
1728 | *) | |
1729 | continue ;; | |
1730 | esac | |
1731 | ||
1732 | i=${i%%=*} | |
1733 | ||
1734 | [ -z "$i" ] && continue | |
1735 | ||
1736 | case "$i" in | |
1737 | ROOT|PATH|HOME|TERM) | |
1738 | : | |
1739 | ;; | |
1740 | *) | |
1741 | unset $i | |
1742 | ;; | |
1743 | esac | |
1744 | done | |
1745 | IFS=$ifs | |
1746 | fi | |
1747 | EOF | |
1748 | ||
1749 | if [ "$INITRDFS" = "initramfs" ]; then | |
1750 | initrd_gen_initramfs_switchroot | |
1751 | else | |
1752 | umount_all | |
1753 | fi | |
1754 | ||
1755 | initrd_gen_fbsplash | |
1756 | initrd_gen_fbcondecor | |
1757 | ||
1758 | debug "Current /linuxrc:\n$(sed -e 's,^,| ,' $DESTDIR/linuxrc)" | |
1759 | ||
1760 | IMAGE=$(mktemp -t initrd.img-XXXXXX) || die "mktemp failed" | |
1761 | ||
1762 | IMAGESIZE=$(du -ks $DESTDIR | awk '{print int(($1+1023+512)/1024)*1024}') | |
1763 | verbose "image size: $IMAGESIZE KiB ($DESTDIR)" | |
1764 | ||
1765 | verbose "Creating $INITRDFS image $IMAGE" | |
1766 | case "$INITRDFS" in | |
1767 | ext2) | |
1768 | dd if=/dev/zero of="$IMAGE" bs=1k count="$IMAGESIZE" 2> /dev/null | |
1769 | # NOTE: ext2 label is max 16 chars | |
1770 | mke2fs -q -F -b 1024 -m 0 -L "PLD/$kernel" "$IMAGE" 2>/dev/null 1>&2 | |
1771 | tune2fs -i 0 "$IMAGE" >/dev/null 2>&1 | |
1772 | ||
1773 | local tmpmnt=$(mktemp -d -t initrd.mnt-XXXXXX) | |
1774 | debug "Mounting ext2 image $IMAGE to $tmpmnt" | |
1775 | mount -o loop -t ext2 "$IMAGE" "$tmpmnt" || die "mount failed, check dmesg(1)" | |
1776 | # We don't need this directory, so let's save space | |
1777 | rm -rf "$tmpmnt"/lost+found | |
1778 | ||
1779 | debug "Copy recursively $DESTDIR -> $tmpmnt" | |
1780 | cp -a $DESTDIR/* $tmpmnt | |
1781 | umount "$IMAGE" | |
1782 | rmdir "$tmpmnt" | |
1783 | ||
1784 | ;; | |
1785 | rom|romfs) | |
1786 | genromfs -f "$IMAGE" -d "$DESTDIR" -V "PLD Linux/$kernel (geninitrd/$VERSION)" | |
1787 | ;; | |
1788 | cram|cramfs) | |
1789 | mkcramfs "$DESTDIR" "$IMAGE" | |
1790 | ;; | |
1791 | initramfs) | |
1792 | (cd $DESTDIR; find . | cpio --quiet -H newc -o > "$IMAGE") | |
1793 | ;; | |
1794 | *) | |
1795 | die "Filesystem $INITRDFS not supported by $PROGRAM" | |
1796 | esac | |
1797 | ||
1798 | if [ "$INITRDFS" != "initramfs" ]; then | |
1799 | CONFIG_BLK_DEV_RAM_SIZE=$(ikconfig | awk -F= '/^CONFIG_BLK_DEV_RAM_SIZE/{print $2}') | |
1800 | if [ -z "$CONFIG_BLK_DEV_RAM_SIZE" ]; then | |
1801 | CONFIG_BLK_DEV_RAM_SIZE=4096 | |
1802 | warn "No CONFIG_BLK_DEV_RAM_SIZE detected, fallback to $CONFIG_BLK_DEV_RAM_SIZE" | |
1803 | fi | |
1804 | ||
1805 | if [ "$IMAGESIZE" -gt $CONFIG_BLK_DEV_RAM_SIZE ]; then | |
1806 | warn "Your image size is larger than $CONFIG_BLK_DEV_RAM_SIZE, Be sure to boot kernel with ramdisk_size=$IMAGESIZE!" | |
1807 | fi | |
1808 | fi | |
1809 | ||
1810 | if ! is_no "$COMPRESS"; then | |
1811 | compressor=$(find_compressor "$COMPRESS") | |
1812 | verbose "Compressing $target with $compressor" | |
1813 | ||
1814 | # TODO: the image name (specified from kernel.spec) already contains | |
1815 | # extension, which is .gz most of the time. | |
1816 | compress_image "$compressor" "$IMAGE" "$target" || { | |
1817 | if [ $compressor != gzip ]; then | |
1818 | warn "Could not compress with $compressor, retrying with gzip" | |
1819 | compress_image gzip "$IMAGE" "$target" || die "compress failed with gzip" $? | |
1820 | else | |
1821 | die "Could not compress image with $compressor" | |
1822 | fi | |
1823 | } | |
1824 | else | |
1825 | cp -a "$IMAGE" "$target" | |
1826 | fi | |
1827 | ||
1828 | # microcode support for lilo | |
1829 | if ! is_no "$LILO_MICROCODE"; then | |
1830 | if [ -x /sbin/lilo -a -f "/boot/intel-ucode.img" ]; then | |
1831 | verbose "Prepending $target with microcode image /boot/intel-ucode.img for LILO" | |
1832 | prepend_file_to_image "/boot/intel-ucode.img" "$target" | |
1833 | fi | |
1834 | fi | |
1835 | ||
1836 | # XXX. check if bootsplash can output data to tmp dir not directly to initramfs image. | |
1837 | initrd_gen_bootsplash "$target" | |
1838 | ||
1839 | rm -rf "$DESTDIR" "$IMAGE" | |
1840 | ||
1841 | # vim:ts=4:sw=4:noet:fdm=marker |