package/base-files/files/sbin/mount_root

   1 #!/bin/sh
   2 # Copyright (C) 2006 OpenWrt.org
   3 . /etc/functions.sh
   4
   5 mount none /proc -t proc
   6 size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)<l)?$2-l:s}' /proc/meminfo)
   7 mount none /tmp -t tmpfs -o size=$size,nosuid,nodev,mode=1777
   8 if grep devfs /proc/filesystems > /dev/null; then
   9         mount none /dev -t devfs
  10 else
  11         mount -t sysfs none /sys
  12         mount -t tmpfs tmpfs /dev -o size=512K
  13         mknod /dev/console c 5 1
  14         mkdir /dev/shm
  15         /sbin/mdev -s
  16 fi
  17 mkdir -p /dev/pts
  18 mount none /dev/pts -t devpts
  19
  20 [ failsafe != "$1" ] && {
  21         grep rootfs /proc/mtd >/dev/null 2>/dev/null && {
  22                 mtd unlock rootfs
  23                 grep rootfs_data /proc/mtd >/dev/null 2>/dev/null && {
  24                         . /bin/firstboot
  25                         echo "switching to jffs2"
  26                         mount "$(find_mtd_part rootfs_data)" /jffs -t jffs2
  27                         fopivot /jffs /rom
  28                 }
  29         } || mount -o remount,rw /dev/root /
  30 }