10 [ -e /etc/initrd.splash ] && . /etc/initrd.splash
13 exec >${CONSOLE} <${CONSOLE} 2>&1
17 echo '/linuxrc has to be run as the init process as the one'
18 echo 'with a PID of 1. Try adding init="/linuxrc" to the'
19 echo 'kernel command line or running "exec /linuxrc".'
23 mount -t proc proc /proc >/dev/null 2>&1
24 mount -o remount,rw / >/dev/null 2>&1
27 /bin/busybox --install -s
31 [ -e /linuxrc ] && rm /linuxrc
36 [ -e /bin/vgscan ] || ln -s /bin/lvm /bin/vgscan
37 [ -e /bin/vgchange ] || ln -s /bin/lvm /bin/vgchange
42 CMDLINE=`cat /proc/cmdline`
43 # Scan CMDLINE for any specified real_root= or cdroot arguments
51 REAL_ROOT=`parse_opt "${x}"`
54 FAKE_ROOT=`parse_opt "${x}"`
57 SUBDIR=`parse_opt "${x}"`
60 REAL_INIT=`parse_opt "${x}"`
63 INIT_OPTS=`parse_opt "${x}"`
71 CDROOT_DEV=`parse_opt "${x}"`
74 CDROOT_TYPE=`parse_opt "${x}"`
76 # Start livecd loop, looptype options
78 LOOP=`parse_opt "${x}"`
81 LOOPTYPE=`parse_opt "${x}"`
84 ISOBOOT=`parse_opt "${x}"`
86 # Start Volume manager options
91 bad_msg 'Using dolvm2 is deprecated, use dolvm, instead.'
101 DMRAID_OPTS=`parse_opt "${x}"`
108 bad_msg 'Using doevms2 is deprecated, use doevms, instead.'
117 SDELAY=`parse_opt "${x}"`
124 MDOLIST=`parse_opt "${x}"`
125 MDOLIST="`echo ${MDOLIST} | sed -e 's/,/ /g'`"
131 MLIST=`parse_opt "${x}"`
132 MLIST="`echo ${MLIST} | sed -e 's/,/ /g'`"
135 # Redirect output to a specific tty
136 CONSOLE\=*|console\=*)
137 CONSOLE=`parse_opt "${x}"`
138 # exec >${CONSOLE} <${CONSOLE} 2>&1
142 RAID_DEVICES="`parse_opt ${x}`"
143 RAID_DEVICES="`echo ${RAID_DEVICES} | sed -e 's/,/ /g'`"
146 MDPART=`parse_opt "${x}"`
150 IP=`parse_opt "${x}"`
153 NFSROOT=`parse_opt "${x}"`
156 iscsi_initiatorname\=*)
157 ISCSI_INITIATORNAME=`parse_opt "${x}"`
160 ISCSI_TARGET=`parse_opt "${x}"`
163 ISCSI_TGPT=`parse_opt "${x}"`
166 ISCSI_ADDRESS=`parse_opt "${x}"`
169 ISCSI_PORT=`parse_opt "${x}"`
172 ISCSI_USERNAME=`parse_opt "${x}"`
175 ISCSI_PASSWORD=`parse_opt "${x}"`
177 iscsi_username_in\=*)
178 ISCSI_USERNAME_IN=`parse_opt "${x}"`
180 iscsi_password_in\=*)
181 ISCSI_PASSWORD_IN=`parse_opt "${x}"`
184 ISCSI_DEBUG=`parse_opt "${x}"`
188 CRYPT_ROOT=`parse_opt "${x}"`
191 CRYPT_SWAP=`parse_opt "${x}"`
194 CRYPT_ROOT_KEY=`parse_opt "${x}"`
197 CRYPT_ROOT_KEYDEV=`parse_opt "${x}"`
200 CRYPT_SWAP_KEY=`parse_opt "${x}"`
203 CRYPT_SWAP_KEYDEV=`parse_opt "${x}"`
205 real_resume\=*|resume\=*)
206 REAL_RESUME=`parse_opt "${x}"`
215 REAL_ROOTFLAGS=`parse_opt "${x}"`
218 keymap=`parse_opt "${x}"`
221 if [ ! -x /sbin/unionfs ]
224 bad_msg 'unionfs binary not found: aborting use of unionfs!'
233 # if [ ! -x /sbin/unionfs ]
235 # USE_UNIONFS_NORMAL=0
236 # bad_msg 'unionfs binary not found: aborting use of unionfs!'
238 # USE_UNIONFS_NORMAL=1
239 # CMD_UNIONFS=`parse_opt "${x}"`
240 # echo ${CMD_UNIONFS}|grep , >/dev/null 2>&1
243 # UID=`echo ${CMD_UNIONFS#*,}`
244 # UNIONFS=`echo ${CMD_UNIONFS%,*}`
246 # UNIONFS=${CMD_UNIONFS}
253 if [ -z "${REAL_ROOT}" -a \( "${CDROOT}" = '0' \) -a \( "${FAKE_ROOT}" != "/dev/ram0" \) ]
255 REAL_ROOT="${FAKE_ROOT}"
265 # Setup hotplugging for firmware loading
268 # Load modules listed in MY_HWOPTS if /lib/modules exists for the running kernel
269 if [ -z "${DO_modules}" ]
271 good_msg 'Skipping module load; disabled via commandline'
272 elif [ -d "/lib/modules/${KV}" ]
274 good_msg 'Loading modules'
275 # Load appropriate kernel modules
276 if [ "${NODETECT}" != '1' ]
278 for modules in ${MY_HWOPTS}
280 modules_scan ${modules}
283 # Always eval doload=...
284 modules_load ${MDOLIST}
286 good_msg 'Skipping module load; no modules in the ramdisk!'
289 # Delay if needed for USB hardware
292 # Setup slow USB bits
295 # Start device manager
298 # if doslowusb is passed, pause other 10 seconds here, after mdev load
299 [ "${DO_slowusb}" ] && sleep 10
304 # let iscsid settle - otherwise mounting the iSCSI-disk will fail (very rarely, though)
307 # Setup md device nodes if they dont exist
315 # Initialize LUKS root device except for livecd's
316 if [ "${CDROOT}" != 1 ]
319 if [ "${NORESUME}" != '1' ] && [ -n "${REAL_RESUME}" ]
321 case "${REAL_RESUME}" in
327 if [ ${retval} -ne 0 ]; then
328 RESUME_DEV=`findfs "${REAL_RESUME}" 2>/dev/null`
332 if [ ${retval} -ne 0 ]; then
333 RESUME_DEV=`busybox findfs "${REAL_RESUME}" 2>/dev/null`
337 if [ ${retval} -ne 0 ]; then
338 RESUME_DEV=`blkid -t "${REAL_RESUME}" | cut -d ":" -f 1 2>/dev/null`
342 if [ ${retval} -eq 0 ] && [ -n "${RESUME_DEV}" ]; then
343 good_msg "Detected real_resume=${RESUME_DEV}"
344 REAL_RESUME="${RESUME_DEV}"
353 mkdir -p "${NEW_ROOT}"
356 # Run debug shell if requested
359 if [ "${CDROOT}" = '1' ]
361 good_msg "Making tmpfs for ${NEW_ROOT}"
362 mount -n -t tmpfs tmpfs "${NEW_ROOT}"
364 for i in dev mnt mnt/cdrom mnt/livecd mnt/key tmp tmp/.initrd mnt/gentoo sys
366 mkdir -p "${NEW_ROOT}/${i}"
367 chmod 755 "${NEW_ROOT}/${i}"
369 [ ! -e "${NEW_ROOT}/dev/null" ] && mknod "${NEW_ROOT}"/dev/null c 1 3
370 [ ! -e "${NEW_ROOT}/dev/console" ] && mknod "${NEW_ROOT}"/dev/console c 5 1
372 # For SGI LiveCDs ...
373 if [ "${LOOPTYPE}" = "sgimips" ]
375 [ ! -e "${NEW_ROOT}/dev/sr0" ] && mknod "${NEW_ROOT}/dev/sr0" b 11 0
376 [ ! -e "${NEW_ROOT}/dev/loop0" ] && mknod "${NEW_ROOT}/dev/loop0" b 7 0
379 # Required for splash to work. Not an issue with the initrd as this
380 # device isn't created there and is not needed.
383 [ ! -e "${NEW_ROOT}/dev/tty1" ] && mknod "${NEW_ROOT}/dev/tty1" c 4 1
386 if [ "${REAL_ROOT}" != "/dev/nfs" ] && [ "${LOOPTYPE}" != "sgimips" ]
391 if [ "${REAL_ROOT}" = '' ]
393 echo -n -e "${WARN}>>${NORMAL}${BOLD} No bootable medium found. Waiting for new devices"
396 while [ ${COUNTER} -lt 3 ]; do
399 let COUNTER=${COUNTER}+1
407 if [ "${REAL_ROOT}" = '' ]
410 umount "${NEW_ROOT}/dev" 2>/dev/null
411 umount "${NEW_ROOT}/sys" 2>/dev/null
412 umount /sys 2>/dev/null
415 rm -rf "${NEW_ROOT}/*"
417 bad_msg 'Could not find CD to boot, something else needed!'
422 # Determine root device
423 good_msg 'Determining root device...'
426 while [ "${got_good_root}" != '1' ]
428 case "${REAL_ROOT}" in
434 if [ ${retval} -ne 0 ]; then
435 ROOT_DEV=`findfs "${REAL_ROOT}" 2>/dev/null`
439 if [ ${retval} -ne 0 ]; then
440 ROOT_DEV=`busybox findfs "${REAL_ROOT}" 2>/dev/null`
444 if [ ${retval} -ne 0 ]; then
445 ROOT_DEV=`blkid -l -t "${REAL_ROOT}" | cut -d ":" -f 1 2>/dev/null`
449 if [ ${retval} -eq 0 ] && [ -n "${ROOT_DEV}" ]; then
450 good_msg "Detected real_root=${ROOT_DEV}"
451 REAL_ROOT="${ROOT_DEV}"
453 whereis "REAL_ROOT" "root block device"
460 if [ "${REAL_ROOT}" = '' ]
462 # No REAL_ROOT determined/specified. Prompt user for root block device.
463 whereis "REAL_ROOT" "root block device"
466 # Check for a block device or /dev/nfs
467 elif [ -b "${REAL_ROOT}" ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
472 bad_msg "Block device ${REAL_ROOT} is not a valid root device..."
479 if [ "${CDROOT}" = 1 -a "${got_good_root}" = '1' -a "${REAL_ROOT}" != "/dev/nfs" ]
481 # CD already mounted; no further checks necessary
483 elif [ "${LOOPTYPE}" = "sgimips" ]
485 # sgimips mounts the livecd root partition directly
486 # there is no isofs filesystem to worry about
489 good_msg "Mounting root..."
491 # Try to mount the device as ${NEW_ROOT}
492 if [ "${REAL_ROOT}" = '/dev/nfs' ]; then
495 # mount ro so fsck doesn't barf later
496 if [ "${REAL_ROOTFLAGS}" = '' ]; then
497 mount -o ro ${REAL_ROOT} ${NEW_ROOT}
499 good_msg "Using mount -o ro,${REAL_ROOTFLAGS}"
500 mount -o ro,${REAL_ROOTFLAGS} ${REAL_ROOT} ${NEW_ROOT}
504 # If mount is successful break out of the loop
505 # else not a good root and start over.
508 if [ -d ${NEW_ROOT}/dev -a -x ${NEW_ROOT}/sbin/init ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
512 bad_msg "The filesystem mounted at ${REAL_ROOT} does not appear to be a valid /, try again"
517 bad_msg "Could not mount specified ROOT, try again"
523 # End determine root device
527 # If CD root is set determine the looptype to boot
528 if [ "${CDROOT}" = '1' ]
530 good_msg 'Determining looptype ...'
533 # Find loop and looptype
534 [ -z "${LOOP}" ] && find_loop
535 [ -z "${LOOPTYPE}" ] && find_looptype
539 # If encrypted, find key and mount, otherwise mount as usual
540 if [ -n "${CRYPT_ROOT}" ]
542 CRYPT_ROOT_KEY="$(head -n 1 ${NEW_ROOT}/mnt/cdrom/livecd)"
543 CRYPT_ROOT='/dev/loop0'
544 good_msg 'You booted an encrypted livecd' "${CRYPT_SILENT}"
546 losetup /dev/loop0 "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
547 test_success 'Preparing loop filesystem'
556 MOUNTTYPE="${LOOPTYPE}"
559 mount -t "${MOUNTTYPE}" -o ro /dev/mapper/root "${NEW_ROOT}/mnt/livecd"
560 test_success 'Mount filesystem'
561 FS_LOCATION='mnt/livecd'
562 # Setup the loopback mounts, if unencrypted
564 if [ "${LOOPTYPE}" = 'normal' ]
566 good_msg 'Mounting loop filesystem'
567 mount -t ext2 -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
568 test_success 'Mount filesystem'
569 FS_LOCATION='mnt/livecd'
570 elif [ "${LOOPTYPE}" = 'squashfs' ]
572 good_msg 'Mounting squashfs filesystem'
573 mount -t squashfs -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
574 test_success 'Mount filesystem'
575 FS_LOCATION='mnt/livecd'
576 elif [ "${LOOPTYPE}" = 'gcloop' ]
578 good_msg 'Mounting gcloop filesystem'
579 echo ' ' | losetup -E 19 -e ucl-0 -p0 "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
580 test_success 'losetup the loop device'
582 mount -t ext2 -o ro "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/livecd"
583 test_success 'Mount the losetup loop device'
584 FS_LOCATION='mnt/livecd'
585 elif [ "${LOOPTYPE}" = 'zisofs' ]
587 FS_LOCATION="mnt/cdrom/${LOOPEXT}${LOOP}"
588 elif [ "${LOOPTYPE}" = 'noloop' ]
590 FS_LOCATION='mnt/cdrom'
591 elif [ "${LOOPTYPE}" = 'sgimips' ]
593 # getdvhoff finds the starting offset (in bytes) of the squashfs
594 # partition on the cdrom and returns this offset for losetup
596 # All currently supported SGI Systems use SCSI CD-ROMs, so
597 # so we know that the CD-ROM is usually going to be /dev/sr0.
599 # We use the value given to losetup to set /dev/loop0 to point
600 # to the liveCD root partition, and then mount /dev/loop0 as
602 good_msg 'Locating the SGI LiveCD Root Partition'
604 losetup -o $(getdvhoff "${NEW_ROOT}${REAL_ROOT}" 0) \
605 "${NEW_ROOT}${CDROOT_DEV}" \
606 "${NEW_ROOT}${REAL_ROOT}"
607 test_success 'losetup /dev/sr0 /dev/loop0'
609 good_msg 'Mounting the Root Partition'
610 mount -t squashfs -o ro "${NEW_ROOT}${CDROOT_DEV}" "${NEW_ROOT}/mnt/livecd"
611 test_success 'mount /dev/loop0 /'
612 FS_LOCATION='mnt/livecd'
618 # Unpacking additional packages from NFS mount
619 # This is useful for adding kernel modules to /lib
620 # We do this now, so that additional packages can add whereever they want.
621 if [ "${REAL_ROOT}" = '/dev/nfs' ]
623 if [ -e "${NEW_ROOT}/mnt/cdrom/add" ]
625 for targz in `ls ${NEW_ROOT}/mnt/cdrom/add/*.tar.gz`
627 tarname=`basename ${targz}`
628 good_msg "Adding additional package ${tarname}"
629 (cd ${NEW_ROOT} ; /bin/tar -xzf ${targz})
635 if [ "${USE_UNIONFS_NORMAL}" = '1' ]
637 setup_unionfs ${NEW_ROOT} ${NEW_ROOT}/${FS_LOCATION}
641 good_msg "Copying read-write image contents to tmpfs"
642 # Copy over stuff that should be writable
643 (cd "${NEW_ROOT}/${FS_LOCATION}"; cp -a ${ROOT_TREES} "${NEW_ROOT}")
645 # Now we do the links.
646 for x in ${ROOT_LINKS}
648 if [ -L "${NEW_ROOT}/${FS_LOCATION}/${x}" ]
650 ln -s "`readlink ${NEW_ROOT}/${FS_LOCATION}/${x}`" "${x}" 2>/dev/null
652 # List all subdirectories of x
653 find "${NEW_ROOT}/${FS_LOCATION}/${x}" -type d 2>/dev/null | while read directory
655 # Strip the prefix of the FS_LOCATION
656 directory="${directory#${NEW_ROOT}/${FS_LOCATION}/}"
658 # Skip this directory if we already linked a parent directory
659 if [ "${current_parent}" != '' ]; then
660 var=`echo "${directory}" | grep "^${current_parent}"`
661 if [ "${var}" != '' ]; then
665 # Test if the directory exists already
666 if [ -e "/${NEW_ROOT}/${directory}" ]
668 # It does exist, link all the individual files
669 for file in `ls /${NEW_ROOT}/${FS_LOCATION}/${directory}`
671 if [ ! -d "/${NEW_ROOT}/${FS_LOCATION}/${directory}/${file}" ] && [ ! -e "${NEW_ROOT}/${directory}/${file}" ]; then
672 ln -s "/${FS_LOCATION}/${directory}/${file}" "${directory}/${file}" 2> /dev/null
676 # It does not exist, make a link to the livecd
677 ln -s "/${FS_LOCATION}/${directory}" "${directory}" 2>/dev/null
678 current_parent="${directory}"
684 mkdir initramfs proc tmp sys 2>/dev/null
689 #UML=`cat /proc/cpuinfo|grep UML|sed -e 's|model name.*: ||'`
690 #if [ "${UML}" = 'UML' ]
693 # good_msg 'Updating for uml system'
696 # Let Init scripts know that we booted from CD
700 if [ "${USE_UNIONFS_NORMAL}" = '1' ]
703 mount -t tmpfs tmpfs /union_changes
704 setup_unionfs /union_changes ${NEW_ROOT}
705 mkdir -p ${UNION}/tmp/.initrd
709 # Execute script on the cdrom just before boot to update things if necessary
712 if [ "${SUBDIR}" != '' -a -e "${CHROOT}/${SUBDIR}" ]
714 good_msg "Entering ${SUBDIR} to boot"
715 CHROOT="${CHROOT}/${SUBDIR}"
720 echo -ne "${GOOD}>>${NORMAL}${BOLD} Booting (initramfs)${NORMAL}"
721 if [ ! -e "${CHROOT}/dev/console" ] || [ ! -e "${CHROOT}/dev/null" ]
723 echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing files required to boot (console and null)${NORMAL}"
724 elif [ -e /etc/initrd.splash -a ! -e "${CHROOT}/dev/tty1" ]
726 echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing tty1, which is required for splash${NORMAL}"
730 mkdir "${CHROOT}/proc" "${CHROOT}/sys" 2>/dev/null
731 echo -ne "${BOLD}.${NORMAL}"
732 umount /sys || echo '*: Failed to unmount the ramdisk /sys!'
733 umount /proc || echo '*: Failed to unmount the ramdisk /proc!'
734 echo -e "${BOLD}.${NORMAL}"
736 exec /sbin/switch_root -c "/dev/console" "${CHROOT}" "${REAL_INIT:-/sbin/init}" "${INIT_OPTS}"
738 # If we get here, something bad has happened
741 echo 'A fatal error has probably occured since /sbin/init did not'
742 echo 'boot correctly. Trying to open a shell...'