#!/bin/sh
-is_dirty() {
- grep Broadcom /proc/cpuinfo >&- || return 1
- OFFSET="$(($(hexdump -v /dev/mtdblock/1 -s 20 -n 2 -e '"%d"')-1))"
- return $(hexdump -v /dev/mtdblock/1 -s $OFFSET -n 1 -e '"%d"')
-}
+# Copyright (C) 2006 OpenWrt.org
+mount none /proc -t proc
size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)<l)?$2-l:s}' /proc/meminfo)
-mount none /tmp -t tmpfs -o size=$size
-
-if [ "$1" != "failsafe" ]; then
- mtd unlock linux
- mount | grep jffs2 >&-
- if [ $? = 0 ] ; then
- if [ $(cat /proc/mtd | wc -l) = 6 ]; then
- mtd erase OpenWrt
- jffs2root --move
- else
- mount -o remount,rw /dev/root /
- fi
- else
- . /bin/firstboot
- is_dirty
- [ $? != 0 ] && {
- echo "switching to jffs2"
- mount /dev/mtdblock/4 /jffs -t jffs2
- pivot /jffs /rom
- } || {
- echo "jffs2 unusable; using ramdisk"
- ramoverlay
- }
- fi
-fi
-
-mount none /tmp -t tmpfs -o remount,nosuid,nodev,mode=1777
+mount none /tmp -t tmpfs -o size=$size,nosuid,nodev,mode=1777
mkdir -p /dev/pts
mount none /dev/pts -t devpts
mount -t sysfs none /sys 2>&-
+mount -o remount,rw /dev/root /