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
35 ln -s /bin/lvm /bin/vgscan
36 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 "${x}"`
83 # Start Volume manager options
88 bad_msg 'Using dolvm2 is deprecated, use dolvm, instead.'
98 DMRAID_OPTS=`parse_opt "${x}"`
105 bad_msg 'Using doevms2 is deprecated, use doevms, instead.'
114 SDELAY=`parse_opt "${x}"`
121 MDOLIST=`parse_opt "${x}"`
122 MDOLIST="`echo ${MDOLIST} | sed -e 's/,/ /g'`"
128 MLIST=`parse_opt "${x}"`
129 MLIST="`echo ${MLIST} | sed -e 's/,/ /g'`"
132 # Redirect output to a specific tty
133 CONSOLE\=*|console\=*)
134 CONSOLE=`parse_opt "${x}"`
135 # exec >${CONSOLE} <${CONSOLE} 2>&1
139 RAID_DEVICES="`parse_opt ${x}`"
140 RAID_DEVICES="`echo ${RAID_DEVICES} | sed -e 's/,/ /g'`"
143 MDPART=`parse_opt "${x}"`
147 IP=`parse_opt "${x}"`
150 NFSROOT=`parse_opt "${x}"`
153 iscsi_initiatorname\=*)
154 ISCSI_INITIATORNAME=`parse_opt "${x}"`
157 ISCSI_TARGET=`parse_opt "${x}"`
160 ISCSI_TGPT=`parse_opt "${x}"`
163 ISCSI_ADDRESS=`parse_opt "${x}"`
166 ISCSI_PORT=`parse_opt "${x}"`
169 ISCSI_USERNAME=`parse_opt "${x}"`
172 ISCSI_PASSWORD=`parse_opt "${x}"`
174 iscsi_username_in\=*)
175 ISCSI_USERNAME_IN=`parse_opt "${x}"`
177 iscsi_password_in\=*)
178 ISCSI_PASSWORD_IN=`parse_opt "${x}"`
181 ISCSI_DEBUG=`parse_opt "${x}"`
185 CRYPT_ROOT=`parse_opt "${x}"`
188 CRYPT_SWAP=`parse_opt "${x}"`
191 CRYPT_ROOT_KEY=`parse_opt "${x}"`
194 CRYPT_ROOT_KEYDEV=`parse_opt "${x}"`
197 CRYPT_SWAP_KEY=`parse_opt "${x}"`
200 CRYPT_SWAP_KEYDEV=`parse_opt "${x}"`
202 real_resume\=*|resume\=*)
203 REAL_RESUME=`parse_opt "${x}"`
212 REAL_ROOTFLAGS=`parse_opt "${x}"`
215 keymap=`parse_opt "${x}"`
218 if [ ! -x /sbin/unionfs ]
221 bad_msg 'unionfs binary not found: aborting use of unionfs!'
230 # if [ ! -x /sbin/unionfs ]
232 # USE_UNIONFS_NORMAL=0
233 # bad_msg 'unionfs binary not found: aborting use of unionfs!'
235 # USE_UNIONFS_NORMAL=1
236 # CMD_UNIONFS=`parse_opt "${x}"`
237 # echo ${CMD_UNIONFS}|grep , >/dev/null 2>&1
238 # if [ "$?" -eq '0' ]
240 # UID=`echo ${CMD_UNIONFS#*,}`
241 # UNIONFS=`echo ${CMD_UNIONFS%,*}`
243 # UNIONFS=${CMD_UNIONFS}
250 if [ -z "${REAL_ROOT}" -a \( "${CDROOT}" -eq 0 \) -a \( "${FAKE_ROOT}" != "/dev/ram0" \) ]
252 REAL_ROOT="${FAKE_ROOT}"
262 # Setup hotplugging for firmware loading
265 # Load modules listed in MY_HWOPTS if /lib/modules exists for the running kernel
266 if [ -z "${DO_modules}" ]
268 good_msg 'Skipping module load; disabled via commandline'
269 elif [ -d "/lib/modules/${KV}" ]
271 good_msg 'Loading modules'
272 # Load appropriate kernel modules
273 if [ "${NODETECT}" != '1' ]
275 for modules in ${MY_HWOPTS}
277 modules_scan ${modules}
280 # Always eval doload=...
281 modules_load ${MDOLIST}
283 good_msg 'Skipping module load; no modules in the ramdisk!'
286 # Delay if needed for USB hardware
289 # Start device manager
295 # let iscsid settle - otherwise mounting the iSCSI-disk will fail (very rarely, though)
298 # Setup md device nodes if they dont exist
306 # Initialize LUKS root device except for livecd's
307 if [ "${CDROOT}" != 1 ]
310 if [ "${NORESUME}" != '1' ] && [ -n "${REAL_RESUME}" ]
312 case "${REAL_RESUME}" in
318 if [ "${retval}" -ne '0' ]; then
319 RESUME_DEV=`findfs "${REAL_RESUME}" 2>/dev/null`
323 if [ "$retval" -ne '0' ]; then
324 RESUME_DEV=`busybox findfs "${REAL_RESUME}" 2>/dev/null`
328 if [ "${retval}" -ne '0' ]; then
329 RESUME_DEV=`blkid -t "${REAL_RESUME}" | cut -d ":" -f 1 2>/dev/null`
333 if [ "${retval}" -eq '0' ] && [ -n "${RESUME_DEV}" ]; then
334 good_msg "Detected real_resume=${RESUME_DEV}"
335 REAL_RESUME="${RESUME_DEV}"
344 mkdir -p "${NEW_ROOT}"
347 # Run debug shell if requested
350 if [ "${CDROOT}" = '1' ]
352 good_msg "Making tmpfs for ${NEW_ROOT}"
353 mount -n -t tmpfs tmpfs "${NEW_ROOT}"
355 for i in dev mnt mnt/cdrom mnt/livecd mnt/key tmp tmp/.initrd mnt/gentoo sys
357 mkdir -p "${NEW_ROOT}/${i}"
358 chmod 755 "${NEW_ROOT}/${i}"
360 [ ! -e "${NEW_ROOT}/dev/null" ] && mknod "${NEW_ROOT}"/dev/null c 1 3
361 [ ! -e "${NEW_ROOT}/dev/console" ] && mknod "${NEW_ROOT}"/dev/console c 5 1
363 # For SGI LiveCDs ...
364 if [ "${LOOPTYPE}" = "sgimips" ]
366 [ ! -e "${NEW_ROOT}/dev/sr0" ] && mknod "${NEW_ROOT}/dev/sr0" b 11 0
367 [ ! -e "${NEW_ROOT}/dev/loop0" ] && mknod "${NEW_ROOT}/dev/loop0" b 7 0
370 # Required for splash to work. Not an issue with the initrd as this
371 # device isn't created there and is not needed.
374 [ ! -e "${NEW_ROOT}/dev/tty1" ] && mknod "${NEW_ROOT}/dev/tty1" c 4 1
377 if [ "${REAL_ROOT}" != "/dev/nfs" ] && [ "${LOOPTYPE}" != "sgimips" ]
382 if [ "${REAL_ROOT}" = '' ]
384 echo -n -e "${WARN}>>${NORMAL}${BOLD} No bootable medium found. Waiting for new devices"
387 while [ ${COUNTER} -lt 3 ]; do
390 let COUNTER=${COUNTER}+1
398 if [ "${REAL_ROOT}" = '' ]
401 umount "${NEW_ROOT}/dev" 2>/dev/null
402 umount "${NEW_ROOT}/sys" 2>/dev/null
403 umount /sys 2>/dev/null
406 rm -rf "${NEW_ROOT}/*"
408 bad_msg 'Could not find CD to boot, something else needed!'
413 # Determine root device
414 good_msg 'Determining root device...'
417 while [ "${got_good_root}" != '1' ]
419 case "${REAL_ROOT}" in
425 if [ "${retval}" -ne '0' ]; then
426 ROOT_DEV=`findfs "${REAL_ROOT}" 2>/dev/null`
430 if [ "$retval" -ne '0' ]; then
431 ROOT_DEV=`busybox findfs "${REAL_ROOT}" 2>/dev/null`
435 if [ "${retval}" -ne '0' ]; then
436 ROOT_DEV=`blkid -t "${REAL_ROOT}" | cut -d ":" -f 1 2>/dev/null`
440 if [ "${retval}" -eq '0' ] && [ -n "${ROOT_DEV}" ]; then
441 good_msg "Detected real_root=${ROOT_DEV}"
442 REAL_ROOT="${ROOT_DEV}"
444 whereis "REAL_ROOT" "root block device"
451 if [ "${REAL_ROOT}" = '' ]
453 # No REAL_ROOT determined/specified. Prompt user for root block device.
454 whereis "REAL_ROOT" "root block device"
457 # Check for a block device or /dev/nfs
458 elif [ -b "${REAL_ROOT}" ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
463 bad_msg "Block device ${REAL_ROOT} is not a valid root device..."
470 if [ "${CDROOT}" = 1 -a "${got_good_root}" = '1' -a "${REAL_ROOT}" != "/dev/nfs" ]
472 # CD already mounted; no further checks necessary
474 elif [ "${LOOPTYPE}" = "sgimips" ]
476 # sgimips mounts the livecd root partition directly
477 # there is no isofs filesystem to worry about
480 good_msg "Mounting root..."
482 # Try to mount the device as ${NEW_ROOT}
483 if [ "${REAL_ROOT}" = '/dev/nfs' ]; then
486 # mount ro so fsck doesn't barf later
487 if [ "${REAL_ROOTFLAGS}" = '' ]; then
488 mount -o ro ${REAL_ROOT} ${NEW_ROOT}
490 good_msg "Using mount -o ro,${REAL_ROOTFLAGS}"
491 mount -o ro,${REAL_ROOTFLAGS} ${REAL_ROOT} ${NEW_ROOT}
495 # If mount is successful break out of the loop
496 # else not a good root and start over.
499 if [ -d ${NEW_ROOT}/dev -a -x ${NEW_ROOT}/sbin/init ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
503 bad_msg "The filesystem mounted at ${REAL_ROOT} does not appear to be a valid /, try again"
508 bad_msg "Could not mount specified ROOT, try again"
514 # End determine root device
518 # If CD root is set determine the looptype to boot
519 if [ "${CDROOT}" = '1' ]
521 good_msg 'Determining looptype ...'
524 # Find loop and looptype
525 [ -z "${LOOP}" ] && find_loop
526 [ -z "${LOOPTYPE}" ] && find_looptype
530 # If encrypted, find key and mount, otherwise mount as usual
531 if [ -n "${CRYPT_ROOT}" ]
533 CRYPT_ROOT_KEY="$(head -n 1 ${NEW_ROOT}/mnt/cdrom/livecd)"
534 CRYPT_ROOT='/dev/loop0'
535 good_msg 'You booted an encrypted livecd' "${CRYPT_SILENT}"
537 losetup /dev/loop0 "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
538 test_success 'Preparing loop filesystem'
547 MOUNTTYPE="${LOOPTYPE}"
550 mount -t "${MOUNTTYPE}" -o ro /dev/mapper/root "${NEW_ROOT}/mnt/livecd"
551 test_success 'Mount filesystem'
552 FS_LOCATION='mnt/livecd'
553 # Setup the loopback mounts, if unencrypted
555 if [ "${LOOPTYPE}" = 'normal' ]
557 good_msg 'Mounting loop filesystem'
558 mount -t ext2 -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
559 test_success 'Mount filesystem'
560 FS_LOCATION='mnt/livecd'
561 elif [ "${LOOPTYPE}" = 'squashfs' ]
563 good_msg 'Mounting squashfs filesystem'
564 mount -t squashfs -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
565 test_success 'Mount filesystem'
566 FS_LOCATION='mnt/livecd'
567 elif [ "${LOOPTYPE}" = 'gcloop' ]
569 good_msg 'Mounting gcloop filesystem'
570 echo ' ' | losetup -E 19 -e ucl-0 -p0 "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
571 test_success 'losetup the loop device'
573 mount -t ext2 -o ro "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/livecd"
574 test_success 'Mount the losetup loop device'
575 FS_LOCATION='mnt/livecd'
576 elif [ "${LOOPTYPE}" = 'zisofs' ]
578 FS_LOCATION="mnt/cdrom/${LOOPEXT}${LOOP}"
579 elif [ "${LOOPTYPE}" = 'noloop' ]
581 FS_LOCATION='mnt/cdrom'
582 elif [ "${LOOPTYPE}" = 'sgimips' ]
584 # getdvhoff finds the starting offset (in bytes) of the squashfs
585 # partition on the cdrom and returns this offset for losetup
587 # All currently supported SGI Systems use SCSI CD-ROMs, so
588 # so we know that the CD-ROM is usually going to be /dev/sr0.
590 # We use the value given to losetup to set /dev/loop0 to point
591 # to the liveCD root partition, and then mount /dev/loop0 as
593 good_msg 'Locating the SGI LiveCD Root Partition'
595 losetup -o $(getdvhoff "${NEW_ROOT}${REAL_ROOT}" 0) \
596 "${NEW_ROOT}${CDROOT_DEV}" \
597 "${NEW_ROOT}${REAL_ROOT}"
598 test_success 'losetup /dev/sr0 /dev/loop0'
600 good_msg 'Mounting the Root Partition'
601 mount -t squashfs -o ro "${NEW_ROOT}${CDROOT_DEV}" "${NEW_ROOT}/mnt/livecd"
602 test_success 'mount /dev/loop0 /'
603 FS_LOCATION='mnt/livecd'
609 # Unpacking additional packages from NFS mount
610 # This is useful for adding kernel modules to /lib
611 # We do this now, so that additional packages can add whereever they want.
612 if [ "${REAL_ROOT}" = '/dev/nfs' ]
614 if [ -e "${NEW_ROOT}/mnt/cdrom/add" ]
616 for targz in `ls ${NEW_ROOT}/mnt/cdrom/add/*.tar.gz`
618 tarname=`basename ${targz}`
619 good_msg "Adding additional package ${tarname}"
620 (cd ${NEW_ROOT} ; /bin/tar -xzf ${targz})
626 if [ "${USE_UNIONFS_NORMAL}" = '1' ]
628 setup_unionfs ${NEW_ROOT} ${NEW_ROOT}/${FS_LOCATION}
632 good_msg "Copying read-write image contents to tmpfs"
633 # Copy over stuff that should be writable
634 (cd "${NEW_ROOT}/${FS_LOCATION}"; cp -a ${ROOT_TREES} "${NEW_ROOT}")
636 # Now we do the links.
637 for x in ${ROOT_LINKS}
639 if [ -L "${NEW_ROOT}/${FS_LOCATION}/${x}" ]
641 ln -s "`readlink ${NEW_ROOT}/${FS_LOCATION}/${x}`" "${x}" 2>/dev/null
643 # List all subdirectories of x
644 find "${NEW_ROOT}/${FS_LOCATION}/${x}" -type d 2>/dev/null | while read directory
646 # Strip the prefix of the FS_LOCATION
647 directory="${directory#${NEW_ROOT}/${FS_LOCATION}/}"
649 # Skip this directory if we already linked a parent directory
650 if [ "${curent_parrent}" != '' ]; then
651 var=`echo "${directory}" | grep "^${curent_parrent}"`
652 if [ "${var}" != '' ]; then
656 # Test if the directory exists already
657 if [ -e "/${NEW_ROOT}/${directory}" ]
659 # It does exist, link all the individual files
660 for file in `ls /${NEW_ROOT}/${FS_LOCATION}/${directory}`
662 if [ ! -d "/${NEW_ROOT}/${FS_LOCATION}/${directory}/${file}" ] && [ ! -e "${NEW_ROOT}/${directory}/${file}" ]; then
663 ln -s "/${FS_LOCATION}/${directory}/${file}" "${directory}/${file}" 2> /dev/null
667 # It does not exist, make a link to the livecd
668 ln -s "/${FS_LOCATION}/${directory}" "${directory}" 2>/dev/null
669 current_parent="${directory}"
675 if [ "${DO_slowusb}" ] || [ "${FORCE_slowusb}" ]
679 mkdir initramfs proc tmp sys 2>/dev/null
684 #UML=`cat /proc/cpuinfo|grep UML|sed -e 's|model name.*: ||'`
685 #if [ "${UML}" = 'UML' ]
688 # good_msg 'Updating for uml system'
691 # Let Init scripts know that we booted from CD
695 if [ "${DO_slowusb}" ] || [ "${FORCE_slowusb}" ]
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...'