target/linux/ar7-2.4/base-files/default/sbin/mount_root

   1 #!/bin/sh
   2 size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)<l)?$2-l:s}' /proc/meminfo)
   3 mount none /tmp -t tmpfs -o size=$size
   4
   5 if [ "$1" != "failsafe" ]; then
   6         mtd unlock linux
   7         mount | grep jffs2 >&-
   8         if [ $? = 0 ] ; then
   9                 if [ $(cat /proc/mtd | wc -l) = 6 ]; then
  10                         mtd erase OpenWrt
  11                 else
  12                         mount -o remount,rw /dev/root /
  13                 fi
  14         else
  15                 . /bin/firstboot
  16                 echo "switching to jffs2"
  17                 mount /dev/mtdblock/4 /jffs -t jffs2
  18                 pivot /jffs /rom || {
  19                         echo "jffs2 unusable; using ramdisk"
  20                         ramoverlay
  21                 }
  22         fi
  23 fi
  24
  25 mount none /tmp -t tmpfs -o remount,nosuid,nodev,mode=1777
  26 mkdir -p /dev/pts
  27 mount none /dev/pts -t devpts
  28 mount -t sysfs none /sys 2>&-