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- #!/bin/sh
- # Copyright (C) 2006 OpenWrt.org
- 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 $OFFSET -n 1 -e '"%d"')
- }
- size=$(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
- mount -o remount,rw /dev/root /
- 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
- mkdir -p /dev/pts
- mount none /dev/pts -t devpts
- mount -t sysfs none /sys 2>&-
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