REAL_ROOTFLAGS=''
ROOTFSTYPE='auto'
CRYPT_SILENT=0
+mkdir -p /etc/cmdline /etc/modprobe.d
for x in ${CMDLINE}
do
case "${x}" in
DMRAID_OPTS=${x#*=}
USE_DMRAID_NORMAL=1
;;
+ dozfs*)
+ USE_ZFS=1
+
+ if [ "${x#*=}" = 'force' ]
+ then
+ ZPOOL_FORCE=-f
+ fi
+ ;;
# Debug Options
debug)
DEBUG='yes'
# Module no-loads
doload=*)
MDOLIST=${x#*=}
- MDOLIST=$(echo ${MDOLIST} | sed -e 's/,/ /g'`)
+ MDOLIST=$(echo ${MDOLIST} | sed -e 's/,/ /g')
;;
nodetect)
NODETECT=1
root_keydev=*)
CRYPT_ROOT_KEYDEV=${x#*=}
;;
+ root_trim=*)
+ CRYPT_ROOT_TRIM=${x#*=}
+ ;;
+
swap_key=*)
CRYPT_SWAP_KEY=${x#*=}
;;
nounionfs)
USE_UNIONFS_NORMAL=0
;;
+ *=*)
+ case "${x%%=*}" in
+ *.*)
+ echo "${x#*.}" >> "/etc/module_options/${x%%.*}.conf"
+ ;;
+ esac
+ ;;
esac
done
REAL_ROOT="${FAKE_ROOT}"
fi
+# Set variables based on the value of REAL_ROOT
+case "${REAL_ROOT}" in
+ ZFS=*)
+ ZFS_POOL=${REAL_ROOT#*=}
+ ZFS_POOL=${ZFS_POOL%%/*}
+ USE_ZFS=1
+ ;;
+ ZFS)
+ USE_ZFS=1
+ ;;
+esac
+
+# Verify that it is safe to use ZFS
+if [ "USE_ZFS" = "1" ]
+then
+ if [ -x /sbin/zfs -a -x /sbin/zpool ]
+ then
+ MY_HWOPTS="${MY_HWOPTS} zfs"
+ else
+ USE_ZFS=0
+
+ [ -x /sbin/zfs ] || bad_msg '/sbin/zfs not found!'
+ [ -x /sbin/zpool ] || bad_msg '/sbin/zpool not found!'
+ bad_msg 'Aborting use of zfs!'
+ fi
+fi
+
splash 'init'
cmdline_hwopts
+# Mount devfs
+mount_devfs
+
# Mount sysfs
mount_sysfs
-# Setup hotplugging for firmware loading
-setup_hotplug
+# Initialize mdev
+if [ "${KV_2_6_OR_GREATER}" ]
+then
+ good_msg 'Activating mdev'
+
+ # Serialize hotplug events
+ touch /dev/mdev.seq
+
+ # Setup hotplugging for firmware loading
+ echo /sbin/mdev > /proc/sys/kernel/hotplug
+fi
# Load modules listed in MY_HWOPTS if /lib/modules exists for the running kernel
if [ -z "${DO_modules}" ]
good_msg 'Skipping module load; no modules in the ramdisk!'
fi
+# Ensure that device nodes are properly configured
+if [ "${KV_2_6_OR_GREATER}" ]
+then
+ mdev -s || bad_msg "mdev -s failed"
+fi
+
# Apply scan delay if specified
sdelay
# Setup slow USB bits
setup_slowusb
-# Start device manager
-start_dev_mgr
+cd /
# if doslowusb is passed, pause other 10 seconds here, after mdev load
[ "${DO_slowusb}" ] && sleep 10
fi
if [ ${retval} -ne 0 ]; then
- RESUME_DEV=$(blkid -l -t "${REAL_RESUME}" | cut -d ":" -f 1 2>/dev/null)
+ RESUME_DEV=$(blkid -o device -l -t "${REAL_RESUME}")
retval=$?
fi
good_msg "Making tmpfs for ${NEW_ROOT}"
mount -n -t tmpfs tmpfs "${NEW_ROOT}"
- for i in dev mnt mnt/cdrom mnt/livecd mnt/key tmp tmp/.initrd mnt/gentoo sys
+ for i in dev mnt mnt/livecd mnt/key tmp tmp/.initrd mnt/gentoo sys
do
mkdir -p "${NEW_ROOT}/${i}"
chmod 755 "${NEW_ROOT}/${i}"
done
+ [ ! -d "${CDROOT_PATH}" ] && mkdir -p "${CDROOT_PATH}"
[ ! -e "${NEW_ROOT}/dev/null" ] && mknod "${NEW_ROOT}"/dev/null c 1 3
[ ! -e "${NEW_ROOT}/dev/console" ] && mknod "${NEW_ROOT}"/dev/console c 5 1
fi
if [ ${retval} -ne 0 ]; then
- ROOT_DEV=$(blkid -l -t "${REAL_ROOT}" | cut -d ":" -f 1 2>/dev/null)
+ ROOT_DEV=$(blkid -o device -l -t "${REAL_ROOT}")
retval=$?
fi
continue
fi
;;
+ ZFS*)
+ if [ "${USE_ZFS}" = '0' ]; then
+ prompt_user "REAL_ROOT" "root block device"
+ continue
+ fi
+
+ ROOT_DEV="${REAL_ROOT#*=}"
+ if [ "${ROOT_DEV}" != 'ZFS' ]
+ then
+ if [ "$(zfs get type -o value -H ${ROOT_DEV})" = 'filesystem' ]
+ then
+ got_good_root=1;
+ REAL_ROOT=${ROOT_DEV}
+ ROOTFSTYPE=zfs
+ else
+ bad_msg "${ROOT_DEV} is not a filesystem"
+ prompt_user "REAL_ROOT" "root block device"
+ got_good_root=0
+ continue
+ fi
+ else
+ BOOTFS=$(/sbin/zpool list -H -o bootfs)
+ if [ "${BOOTFS}" != '-' ]
+ then
+
+ for i in ${BOOTFS}
+ do
+
+ zfs get type ${i} > /dev/null
+ retval=$?
+
+ if [ ${retval} -eq 0 ]; then
+ got_good_root=1
+ REAL_ROOT=${i}
+ ROOTFSTYPE=zfs
+ break
+ fi
+
+ done;
+
+ else
+ got_good_root=0
+ fi
+
+ fi
+
+ if [ ${got_good_root} -ne 1 ]; then
+ prompt_user "REAL_ROOT" "root block device"
+ got_good_root=0
+ fi
+
+ continue
+ ;;
esac
if [ "${REAL_ROOT}" = '' ]
# there is no isofs filesystem to worry about
break
else
- good_msg "Mounting root..."
+ good_msg "Mounting $REAL_ROOT as root..."
+
+ if [ "${ROOTFSTYPE}" = 'zfs' ]
+ then
+ if [ "zfs get -H -o value mountpoint ${REAL_ROOT}" = 'legacy' ]
+ then
+ MOUNT_STATE=rw
+ else
+ MOUNT_STATE=rw,zfsutil
+ fi
+ else
+ MOUNT_STATE=ro
+ fi
# Try to mount the device as ${NEW_ROOT}
if [ "${REAL_ROOT}" = '/dev/nfs' ]; then
findnfsmount
else
+ # If $REAL_ROOT is a symlink
+ # Resolve it like util-linux mount does
+ [ -L ${REAL_ROOT} ] && REAL_ROOT=`readlink ${REAL_ROOT}`
# mount ro so fsck doesn't barf later
if [ "${REAL_ROOTFLAGS}" = '' ]; then
- good_msg "Using mount -t ${ROOTFSTYPE} -o ro"
- mount -t ${ROOTFSTYPE} -o ro ${REAL_ROOT} ${NEW_ROOT}
+ good_msg "Using mount -t ${ROOTFSTYPE} -o ${MOUNT_STATE}"
+ mount -t ${ROOTFSTYPE} -o ${MOUNT_STATE} ${REAL_ROOT} ${NEW_ROOT}
else
- good_msg "Using mount -t ${ROOTFSTYPE} -o ro,${REAL_ROOTFLAGS}"
- mount -t ${ROOTFSTYPE} -o ro,${REAL_ROOTFLAGS} ${REAL_ROOT} ${NEW_ROOT}
+ good_msg "Using mount -t ${ROOTFSTYPE} -o ${MOUNT_STATE},${REAL_ROOTFLAGS}"
+ mount -t ${ROOTFSTYPE} -o ${MOUNT_STATE},${REAL_ROOTFLAGS} ${REAL_ROOT} ${NEW_ROOT}
fi
fi
# If encrypted, find key and mount, otherwise mount as usual
if [ -n "${CRYPT_ROOT}" ]
then
- CRYPT_ROOT_KEY="$(head -n 1 ${NEW_ROOT}/mnt/cdrom/livecd)"
+ CRYPT_ROOT_KEY="$(head -n 1 "${CDROOT_PATH}"/livecd)"
CRYPT_ROOT='/dev/loop0'
good_msg 'You booted an encrypted livecd' "${CRYPT_SILENT}"
- losetup /dev/loop0 "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
+ losetup /dev/loop0 "${CDROOT_PATH}/${LOOPEXT}${LOOP}"
test_success 'Preparing loop filesystem'
startLUKS
if [ "${LOOPTYPE}" = 'normal' ]
then
good_msg 'Mounting loop filesystem'
- mount -t ext2 -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
+ mount -t ext2 -o loop,ro "${CDROOT_PATH}/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
test_success 'Mount filesystem'
FS_LOCATION='mnt/livecd'
elif [ "${LOOPTYPE}" = 'squashfs' ]
then
if [ "${USE_AUFS_NORMAL}" != '1' ]; then
good_msg 'Mounting squashfs filesystem'
- mount -t squashfs -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
+ _CACHED_SQUASHFS_PATH="${NEW_ROOT}/mnt/${LOOP}"
+ _squashfs_path="${CDROOT_PATH}/${LOOPEXT}${LOOP}" # Default to uncached
+ # Upgrade to cached version if possible
+ [ "${DO_cache}" -a -f "${_CACHED_SQUASHFS_PATH}" ] \
+ && _squashfs_path=${_CACHED_SQUASHFS_PATH}
+ mount -t squashfs -o loop,ro "${_squashfs_path}" "${NEW_ROOT}/mnt/livecd" || {
+ bad_msg "Squashfs filesystem could not be mounted, dropping into shell."
+ if [ -e /proc/filesystems ]; then
+ fgrep -q squashfs /proc/filesystems || \
+ bad_msg "HINT: Your kernel does not know filesystem \"squashfs\"."
+ fi
+ do_rundebugshell
+ }
else
good_msg 'Mounting squashfs & aufs filesystems'
setup_squashfs_aufs
elif [ "${LOOPTYPE}" = 'gcloop' ]
then
good_msg 'Mounting gcloop filesystem'
- echo ' ' | losetup -E 19 -e ucl-0 -p0 "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
+ echo ' ' | losetup -E 19 -e ucl-0 -p0 "${NEW_ROOT}/dev/loop0" "${CDROOT_PATH}/${LOOPEXT}${LOOP}"
test_success 'losetup the loop device'
mount -t ext2 -o ro "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/livecd"
FS_LOCATION='mnt/livecd'
elif [ "${LOOPTYPE}" = 'zisofs' ]
then
- FS_LOCATION="mnt/cdrom/${LOOPEXT}${LOOP}"
+ FS_LOCATION="${CDROOT_PATH/\/}/${LOOPEXT}${LOOP}"
elif [ "${LOOPTYPE}" = 'noloop' ]
then
- FS_LOCATION='mnt/cdrom'
+ FS_LOCATION="${CDROOT_PATH/\/}"
elif [ "${LOOPTYPE}" = 'sgimips' ]
then
# getdvhoff finds the starting offset (in bytes) of the squashfs
# We do this now, so that additional packages can add whereever they want.
if [ "${REAL_ROOT}" = '/dev/nfs' ]
then
- if [ -e "${NEW_ROOT}/mnt/cdrom/add" ]
+ if [ -e "${CDROOT_PATH}/add" ]
then
- for targz in $(ls ${NEW_ROOT}/mnt/cdrom/add/*.tar.gz)
+ for targz in $(ls ${CDROOT_PATH}/add/*.tar.gz)
do
tarname=$(basename ${targz})
good_msg "Adding additional package ${tarname}"
if [ "${USE_UNIONFS_NORMAL}" = '1' ]
then
- setup_unionfs ${NEW_ROOT} ${NEW_ROOT}/${FS_LOCATION}
+ setup_unionfs ${NEW_ROOT} /${FS_LOCATION}
CHROOT=/union
elif [ "${USE_AUFS_NORMAL}" != '1' ]; then
good_msg "Copying read-write image contents to tmpfs"
# Copy over stuff that should be writable
- (cd "${NEW_ROOT}/${FS_LOCATION}"; cp -a ${ROOT_TREES} "${NEW_ROOT}")
+ (cd "${NEW_ROOT}/${FS_LOCATION}"; cp -a ${ROOT_TREES} "${NEW_ROOT}") || {
+ bad_msg "Copying failed, dropping into a shell."
+ do_rundebugshell
+ }
# Now we do the links.
for x in ${ROOT_LINKS}
fi
done
- mkdir initramfs proc tmp sys 2>/dev/null
+ mkdir initramfs proc tmp sys run 2>/dev/null
chmod 1777 tmp
fi
fi
fi
+# Mount the additional things as required by udev & systemd
+if [ -f ${NEW_ROOT}/etc/initramfs.mounts ]; then
+ fslist=$(get_mounts_list)
+else
+ fslist="/usr"
+fi
+
+for fs in $fslist; do
+ dev=$(get_mount_device $fs)
+ [ -z "${dev}" ] && continue
+ # Resolve it like util-linux mount does
+ [ -L ${dev} ] && dev=`readlink ${dev}`
+ # In this case, it's probably part of the filesystem
+ # and not a mountpoint
+ [ -z "$dev" ] && continue
+ fstype=$(get_mount_fstype $fs)
+ if get_mount_options $fs | fgrep -q bind ; then
+ opts='bind'
+ dev=${NEW_ROOT}${dev}
+ else
+ # ro must be trailing, and the options will always contain at least 'defaults'
+ opts="$(get_mount_options $fs | strip_mount_options),ro"
+ fi
+ mnt=${NEW_ROOT}${fs}
+ cmd="mount -t $fstype -o $opts $dev $mnt"
+ good_msg "Mounting $dev as ${fs}: $cmd"
+ if ! $cmd; then
+ bad_msg "Unable to mount $dev for $fs"
+ fi
+done
+
# Execute script on the cdrom just before boot to update things if necessary
cdupdate
echo -ne "${GOOD}>>${NORMAL}${BOLD} Booting (initramfs)${NORMAL}"
cd "${CHROOT}"
-mkdir "${CHROOT}/proc" "${CHROOT}/sys" 2>/dev/null
+mkdir "${CHROOT}/proc" "${CHROOT}/sys" "${CHROOT}/run" 2>/dev/null
echo -ne "${BOLD}.${NORMAL}"
# If devtmpfs is mounted, try move it to the new root
# If we get here, something bad has happened
splash 'verbose'
-echo 'A fatal error has probably occured since /sbin/init did not'
-echo 'boot correctly. Trying to open a shell...'
+echo "A fatal error has probably occured since ${REAL_INIT:-/sbin/init} did not"
+echo "boot correctly. Trying to open a shell..."
echo
exec /bin/bash
exec /bin/sh
exec /bin/ash
+exec /bin/dash
exec sh
projects / genkernel.git / blobdiff