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@ -4,7 +4,9 @@ export PATH="/bin:/usr/bin:/sbin:/usr/sbin" |
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STAGE_2_BIG_IMAGE="2nd_stage.tar.gz" |
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STAGE_2_SMALL_IMAGE="2nd_stage_small.tar.gz" |
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STAGE_2_COMPRESS_ARG="--use-compress-program=gzip" |
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# Use -m to not let tar complain about modification times in the future, e.g. |
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# if the system clock is not set. |
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STAGE_2_COMPRESS_ARG="--use-compress-program=gzip -m" |
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#640kB, err, 64 MB should be enought for the tmpfs ;-) |
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TMPFS_OPTIONS="size=67108864" |
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@ -32,46 +34,53 @@ mod_load_info () { # {{{ |
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fi |
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} # }}} |
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doboot() { # {{{ |
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if ! mkdir /mnt_root/old_root ; then |
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if ! mkdir -p /mnt_root/old_root ; then |
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echo "Can't create /mnt_root/old_root" |
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exit_linuxrc=0 |
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return 1 |
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fi |
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if [ ! -f /mnt_root/sbin/init ] ; then |
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echo "Can't find /mnt_root/sbin/init!" |
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exit_linuxrc=0 |
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return 1 |
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fi |
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if [ ${exit_linuxrc} -ne 0 ] ; then |
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if ! pivot_root "/mnt_root" "/mnt_root/old_root" ; then |
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echo "Can't call pivot_root" |
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exit_linuxrc=0 |
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return |
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fi |
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# pivot_root may or may not change the PWD and root of the |
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# caller, so we change into the new root directory first. |
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cd /mnt_root |
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if ! pivot_root . "/mnt_root/old_root" ; then |
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echo "Can't call pivot_root" |
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cd / |
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return 1 |
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fi |
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if ! mount --move /old_root/dev /dev ; then |
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echo "Can't remount /old_root/dev as /dev" |
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fi |
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if ! mount --move /old_root/dev /dev ; then |
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echo "Can't remount /old_root/dev as /dev" |
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fi |
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if ! mount --move /old_root/proc /proc ; then |
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echo "Can't remount /old_root/proc as /proc" |
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fi |
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if ! mount --move /old_root/proc /proc ; then |
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echo "Can't remount /old_root/proc as /proc" |
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fi |
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if [[ "$( < /proc/version )" == "Linux version 2.6."* ]] ; then |
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if ! mount --move /old_root/sys /sys ; then |
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echo "Can't remount /old_root/sys as /sys" |
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fi |
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fi |
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if ! umount /old_root/tmp ; then |
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echo "Can't umount /old_root/tmp" |
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fi |
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if ! umount /old_root/tmp ; then |
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echo "Can't umount /old_root/tmp" |
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fi |
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else |
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rmdir /mnt_root/old_root || echo "Can't remove /mnt_root/old_root" |
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sed -e "s, /mnt_root , / ," /old_root/etc/mtab > /etc/mtab |
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umount /mnt_root || echo "Can't umount /mnt_root" |
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rmdir /mnt_root || echo "Can't remove /mnt_root" |
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fi |
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# Kill udevd so /old_root can be unmounted. |
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udev_pid="$( ps -C udevd -o pid= )" |
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[ "$udev_pid" ] && kill $udev_pid |
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exec chroot . sh -c "exec /sbin/init" <dev/console >dev/console 2>&1 |
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echo "Can't exec /sbin/init!" |
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return 1 |
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} # }}} |
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trymount() { # {{{ |
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source=${1} |
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@ -111,15 +120,14 @@ EOF |
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echo "[ ${url} ]" |
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export ROCK_INSTALL_SOURCE_URL=${baseurl} |
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exit_linuxrc=1; |
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if ! mkdir /mnt_root ; then |
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echo "Can't create /mnt_root" |
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exit_linuxrc=0 |
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return 1 |
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fi |
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if ! mount -t tmpfs -O ${TMPFS_OPTIONS} none /mnt_root ; then |
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if ! mount -t tmpfs -O ${TMPFS_OPTIONS} tmpfs /mnt_root ; then |
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echo "Can't mount /mnt_root" |
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exit_linuxrc=0 |
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return 1 |
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fi |
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wget -O - ${url} | tar ${STAGE_2_COMPRESS_ARG} -C /mnt_root -xf - |
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@ -296,44 +304,42 @@ EOF |
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filename="${text}" |
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fi |
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exit_linuxrc=1 |
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echo "Using ${devicefile}:${filename}." |
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if ! mkdir -p /mnt_source ; then |
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echo "Can't create /mnt_source" |
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exit_linuxrc=0 |
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return 1 |
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fi |
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if ! mount ${mountopts} ${devicefile} "/mnt_source" ; then |
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echo "Can't mount /mnt_source" |
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exit_linuxrc=0 |
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return 1 |
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fi |
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if ! mkdir -p /mnt_root ; then |
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echo "Can't create /mnt_root" |
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exit_linuxrc=0 |
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return 1 |
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fi |
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if ! mount -t tmpfs -o ${TMPFS_OPTIONS} tmpfs /mnt_root ; then |
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echo "Can't mount tmpfs on /mnt_root" |
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exit_linuxrc=0 |
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return 1 |
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fi |
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echo "Extracting 2nd stage filesystem to ram ..." |
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if ! tar ${STAGE_2_COMPRESS_ARG} -C /mnt_root -xf /mnt_source/${filename} ; then |
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echo "Can't extract /mnt/source/${filename}" |
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exit_linuxrc=0 |
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return 1 |
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fi |
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if ! umount "/mnt_source" ; then |
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echo "Can't umount /mnt_source" |
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exit_linuxrc=0 |
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return 1 |
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fi |
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if ! rmdir "/mnt_source" ; then |
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echo "Can't remove /mnt_source" |
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exit_linuxrc=0 |
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return 1 |
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fi |
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export ROCK_INSTALL_SOURCE_DEV=${devicefile} |
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@ -385,11 +391,11 @@ checkisomd5() { # {{{ |
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getcdromdevice 1 0 0 || return |
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echo "Running check..." |
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/bin/checkisomd5 ${devicefile} |
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/bin/checkisomd5 --verbose ${devicefile} |
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code=${?} |
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if [ ${code} -eq 1 ] ; then |
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if [ ${code} -eq 0 ] ; then |
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echo "MD5Sum is correct." |
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elif [ ${code} -eq 0 ] ; then |
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elif [ ${code} -eq 1 ] ; then |
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echo "MD5Sum is NOT correct! Please contact the authors!" |
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fi |
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@ -403,29 +409,40 @@ emit_udev_events() { # {{{ |
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} # }}} |
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input=1 |
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exit_linuxrc=0 |
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[ -z "${autoboot}" ] && autoboot=0 |
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# mount / / -o remount,rw || echo "Can't remount / read-/writeable" |
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# mount / / -o remount,rw || echo "Can't remount / read-/writeable (for mount log)" |
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mount -t tmpfs tmpfs /tmp -o ${TMPFS_OPTIONS} || echo "Can't mount a tmpfs on /tmp" |
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mount -t proc proc /proc || echo "Can't mount proc on /proc!" |
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mount -t sysfs sysfs /sys || echo "Can't mount sysfs on /sys!" |
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mount -t tmpfs tmpfs /dev || echo "Can't mount a tmpfs on /dev!" |
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mount -t tmpfs tmpfs /tmp -o ${TMPFS_OPTIONS} || echo "Can't mount a tmpfs on /tmp" |
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mount -t proc proc /proc || echo "Can't mount proc on /proc!" |
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# /sbin/depmod -ae |
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cp -r /lib/udev/devices/* /dev |
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case "$( < /proc/version )" in |
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"Linux version 2.4."*) |
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mount -t devfs devfs /dev || echo "Can't mount devfs on /dev!" ;; |
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"Linux version 2.6."*) |
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mount -t sysfs sysfs /sys || echo "Can't mount sysfs on /sys!" |
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echo "" > /proc/sys/kernel/hotplug |
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/sbin/udevd --daemon |
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if type -p udevd > /dev/null ; then |
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mount -t tmpfs tmpfs /dev || echo "Can't mount a tmpfs on /dev!" |
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# create nodes for devices already in kernel |
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emit_udev_events |
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cp -r /lib/udev/devices/* /dev |
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mod_load_info |
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echo "" > /proc/sys/kernel/hotplug |
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/sbin/udevd --daemon |
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# some devices (scsi...) need time to settle... |
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echo "Waiting for devices to settle..." |
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sleep 5 |
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# create nodes for devices already in kernel |
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emit_udev_events |
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mod_load_info |
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# some devices (scsi...) need time to settle... |
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echo "Waiting for devices to settle..." |
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sleep 5 |
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fi ;; |
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esac |
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ip addr add 127.0.0.1 dev lo |
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ip link set lo up |
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@ -445,7 +462,7 @@ you will not spend much time here. Just load your SCSI and networking |
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drivers (if needed) and configure the installation source so the |
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2nd stage boot system can be loaded and you can start the installation. |
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EOF |
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while [ ${exit_linuxrc} -eq 0 ] ; do |
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while : ; do |
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cat <<EOF |
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0. Load 2nd stage system from cdrom or floppy drive |
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1. Load 2nd stage system from any device |
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@ -499,7 +516,3 @@ EOF |
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echo "No such option present!" |
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esac |
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done |
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exec /sbin/init |
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echo "Can't start /sbin/init!! Life sucks.\n\n" |
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Stefan Fiedler
18 years ago