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   pivot_root /jffs /jffs/rom
   9   mount none /dev -t devfs
  10   mount none /proc -t proc
  11   umount rom/proc
  12   umount rom/dev
  13 else
  14   export FAILSAFE=true
  15 fi
  16 mount none /tmp -t ramfs
  17 exec /sbin/init