65 lines
2.2 KiB
Plaintext
65 lines
2.2 KiB
Plaintext
|
# vim: set ft=sh:
|
||
|
|
run_hook ()
|
||
|
|
{
|
||
|
|
#Big Fat TODO... we need to add possible boot 'cheatcodes'
|
||
|
|
# as is common in most livecds. However, most of these can be handled
|
||
|
|
# in real userspace (early userspace only needs to load the squashfs
|
||
|
|
# image. That is _all_. Others will be handled in a custom rc.local/rc.conf
|
||
|
|
|
||
|
|
#This is going to get brutal...
|
||
|
|
|
||
|
|
if [ "x${ramdisk_size}" = "x" ]; then
|
||
|
|
ramdisk_size="75%"
|
||
|
|
fi
|
||
|
|
msg -n ":: Mounting tmpfs, size=${ramdisk_size}..."
|
||
|
|
mount -t tmpfs -o "size=${ramdisk_size}" tmpfs /tmpfs
|
||
|
|
mkdir /tmpfs/bootcd
|
||
|
|
msg "done."
|
||
|
|
|
||
|
|
squashfound=0
|
||
|
|
msg -n ":: Scanning for boot cdrom device..."
|
||
|
|
for cdrom in /dev/cd/*; do
|
||
|
|
if mount -r -t iso9660 "${cdrom}" /tmpfs/bootcd >/dev/null 2>&1; then
|
||
|
|
if [ -e /tmpfs/bootcd/archlive.sqfs ]; then
|
||
|
|
squashfound=1
|
||
|
|
msg "${cdrom}"
|
||
|
|
break
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
[ $squashfound -eq 0 ] && umount /tmpfs/bootcd >/dev/null 2>&1
|
||
|
|
done
|
||
|
|
|
||
|
|
if [ $squashfound -eq 0 ]; then
|
||
|
|
echo "ERROR: cannot find booted cdrom device, cannot continue..."
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
msg -n ":: Mounting squashfs image..."
|
||
|
|
/bin/modprobe -q squashfs >/dev/null 2>&1
|
||
|
|
mkdir -p /tmpfs/squashfs_root
|
||
|
|
if ! losetup /dev/loop0 /tmpfs/bootcd/archlive.sqfs; then
|
||
|
|
echo "ERROR: Cannot mount loop device /dev/loop0...aborting"
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
mount -r -t squashfs /dev/loop0 /tmpfs/squashfs_root
|
||
|
|
#mount.full -r -t squashfs -o loop /tmpfs/bootcd/squashfs_image /tmpfs/squashfs_root
|
||
|
|
msg "done."
|
||
|
|
|
||
|
|
msg -n ":: Mounting root (union) filesystem..."
|
||
|
|
/bin/modprobe -q unionfs >/dev/null 2>&1
|
||
|
|
mount -t unionfs -o dirs=/tmpfs=rw:/tmpfs/squashfs_root=ro,debug=0 none /real_root
|
||
|
|
msg "done."
|
||
|
|
|
||
|
|
if [ -d /proc/sus/dev/cdrom ]; then
|
||
|
|
echo 0 > /proc/sys/dev/cdrom/lock
|
||
|
|
echo 1 > /proc/sys/dev/cdrom/autoeject
|
||
|
|
fi
|
||
|
|
|
||
|
|
msg ":: Stopping udevd"
|
||
|
|
udevpid=$(/bin/minips -C udevd -o pid=)
|
||
|
|
[ "x${udevpid}" != "x" ] && /bin/kill -9 $udevpid
|
||
|
|
#Yep, we're bailing out here. We don't need kinit.
|
||
|
|
msg ":: Passing control to Archlinux Initscripts..."
|
||
|
|
exec /bin/run-init -c /dev/console /real_root /sbin/init ${CMDLINE}
|
||
|
|
}
|