| #!/bin/sh |
| mkdir -p /proc |
| mkdir -p /ro |
| mkdir -p /rw |
| mkdir -p /new_root |
| |
| mount -t proc none /proc |
| mount -t devtmpfs none /dev |
| |
| sqfs="/dev/mmcblk0p2" |
| rwfs="/dev/mmcblk0p3" |
| |
| while [ ! -e ${rwfs} ]; do |
| echo "Waiting for ${rwfs}" |
| sleep 1 |
| done |
| |
| mount -t ext4 ${rwfs} /rw |
| |
| # Insert update concept here |
| if [ -r /rw/root.sfs ] ; then |
| mount -t squashfs -o loop /rw/root.sfs /ro |
| else |
| mount -t squashfs ${sqfs} /ro |
| fi |
| |
| mkdir -p /rw/overlay |
| mkdir -p /rw/overlay_work |
| |
| mount -t overlay overlay -o lowerdir=/ro,upperdir=/rw/overlay,workdir=/rw/overlay_work /new_root/ |
| |
| exec switch_root /new_root /sbin/init |
