root/etc/preinit

   1 #!/bin/sh
   2 mount none /proc -t proc
   3 insmod diag
   4 echo 0x01 > /proc/sys/diag
   5 sleep 1
   6 if /sbin/resetmon ; then
   7   mount -t jffs2 /dev/mtdblock/4 /jffs && \
   8   mtd unlock mtd4 &
   9   pivot_root /jffs /jffs/rom
  10   mount none /dev -t devfs
  11   mount none /proc -t proc
  12   umount rom/proc
  13   umount rom/dev
  14 else
  15   export FAILSAFE=true
  16 fi
  17 mount none /tmp -t ramfs
  18 exec /sbin/init