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41 lines
1.1 KiB
Bash
41 lines
1.1 KiB
Bash
#!/bin/sh
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. /etc/nvram.sh
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is_clean() {
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grep Broadcom /proc/cpuinfo 2>&- >&- || return 0
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OFFSET="$((0x$(dd if=/dev/mtdblock/1 bs=1 skip=$((0x14)) count=2 2>&- | hexdump | grep 0000000 | cut -d ' ' -f 2) - 1))"
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dd if=/dev/mtdblock/1 bs=1 skip=$OFFSET count=1 2>&- | hexdump -v | grep ' 0000' > /dev/null && return 255 || return 0
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}
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if [ "$1" != "failsafe" ]; then
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mount | grep jffs2 >&-
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if [ $? = 0 ] ; then
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if [ $(cat /proc/mtd | wc -l) = 6 ]; then
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echo 5 > /proc/sys/diag
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mtd unlock linux
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mtd erase OpenWrt
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jffs2root --move
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else
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mtd unlock rootfs
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mount -o remount,rw /dev/root /
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fi
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else
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if [ -z "$(nvram get no_root_swap)" ]; then
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is_clean || {
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mtd erase OpenWrt
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mtd unlock linux
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jffs2root --clean
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}
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mtd unlock OpenWrt
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mount -t jffs2 /dev/mtdblock/4 /jffs
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pivot_root /jffs /jffs/rom
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mount none /proc -t proc
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mount none /dev -t devfs
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umount /rom/proc rom/dev >&-
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fi
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fi
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fi
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mount none /tmp -t tmpfs -o nosuid,nodev,mode=1777,size=50%
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mkdir -p /dev/pts
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mount none /dev/pts -t devpts
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grep sysfs /proc/filesystems >&- && mount -t sysfs none /sys
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