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)?$2-l:s}' /proc/meminfo)
   7
   8 mount none /tmp -t tmpfs -o size=$size,nosuid,nodev,mode=1777
   9 if grep devfs /proc/filesystems >/dev/null; then
  10         mount none /dev -t devfs
  11 else
  12         mount -t tmpfs tmpfs /dev -o size=512K
  13         mknod /dev/console c 5 1
  14         exec >/dev/console </dev/console 2>&1
  15 fi
  16 mkdir /dev/shm
  17 if grep sysfs /proc/filesystems >/dev/null; then
  18         mount -t sysfs none /sys
  19         HOTPLUG=""
  20         # use a minimal ruleset only for creating device nodes
  21         /sbin/hotplug2 --no-persistent --coldplug --set-rules-file /etc/hotplug2-init.rules
  22 else
  23         HOTPLUG="/sbin/hotplug2-dnode"
  24 fi
  25 echo "$HOTPLUG" > /proc/sys/kernel/hotplug
  26
  27 mkdir -p /dev/pts
  28 mount none /dev/pts -t devpts
  29
  30 [ failsafe != "$1" ] && {
  31         grep rootfs /proc/mtd >/dev/null 2>/dev/null && {
  32                 mtd unlock rootfs
  33                 grep rootfs_data /proc/mtd >/dev/null 2>/dev/null && {
  34                         . /bin/firstboot
  35                         echo "switching to jffs2"
  36                         mount "$(find_mtd_part rootfs_data)" /jffs -t jffs2
  37                         fopivot /jffs /rom
  38                 }
  39         } || mount -o remount,rw /dev/root /
  40 }