target/linux/brcm-2.4/base-files/sbin/mount_root

   1 #!/bin/sh
   2 # Copyright (C) 2006 OpenWrt.org
   3
   4 is_dirty() {
   5         grep Broadcom /proc/cpuinfo >&- || return 1
   6         OFFSET="$(($(hexdump -v /dev/mtdblock/1 -s 20 -n 2 -e '"%d"')-1))"
   7         return $(hexdump -v /dev/mtdblock/1 -s $OFFSET -n 1 -e '"%d"')
   8 }
   9
  10 if [ "$1" != "failsafe" ]; then
  11         mtd unlock linux
  12         mount | grep jffs2 >&-
  13         if [ $? = 0 ] ; then
  14                 mount -o remount,rw /dev/root /
  15         else
  16                 . /bin/firstboot
  17                 is_dirty
  18                 [ $? != 0 ] && {
  19                         echo "switching to jffs2"
  20                         mount /dev/mtdblock/4 /jffs -t jffs2
  21                         fopivot /jffs /rom
  22                 } || {
  23                         echo "jffs2 not ready yet; using ramdisk"
  24                         ramoverlay
  25                 }
  26         fi
  27 fi
  28
  29 mkdir -p /dev/pts
  30 mount none /dev/pts -t devpts 2>&-
  31 grep sysfs /proc/filesystems >/dev/null && mount -t sysfs none /sys 2>&-