openwrt/package/base-files/default/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 [ $(cat /proc/sys/reset) = 1 ] || [ "$(/usr/sbin/nvram get failsafe)" = 1 ]; then
   7         export FAILSAFE=true
   8         [ "$(/usr/sbin/nvram get boot_wait)" != "on" ] && {
   9                 /usr/sbin/nvram set boot_wait=on
  10                 /usr/sbin/nvram commit
  11         }
  12         while :; do { echo $(((X=(X+1)%8)%2)) > /proc/sys/diag; sleep $((X==0)); } done &
  13 fi
  14
  15 /sbin/mount_root ${FAILSAFE:+failsafe}
  16
  17 exec /sbin/init