openwrt-owl/obsolete-buildroot/sources/openwrt/root/etc/preinit

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#!/bin/sh
# executed from squashfs before init to
# transfer root to the jffs2 partition
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mount none /proc -t proc
insmod diag
echo 0x01 > /proc/sys/diag
sleep 1
if [ $(cat /proc/sys/reset) = 1 ] ; then
export FAILSAFE=true
while :; do { echo $(((X=(X+1)%8)%2)) > /proc/sys/diag; sleep $((X==0)); } done &
else
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mtd unlock mtd4
mount -t jffs2 /dev/mtdblock/4 /jffs
pivot_root /jffs /jffs/rom
mount none /dev -t devfs
mount none /proc -t proc
umount rom/proc rom/dev
fi
mount none /tmp -t ramfs
exec /sbin/init