68 lines
1.6 KiB
Bash
Executable File
68 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
|
|
. /lib/functions.sh
|
|
|
|
copy_kernel() {
|
|
local input="$1"
|
|
local output="$2"
|
|
local cmdline="$3"
|
|
size="$(echo -n "$cmdline" | wc -c)"
|
|
dd if="$input" bs=3M count=1 > "$output"
|
|
/sbin/patch-cmdline "$output" "$cmdline"
|
|
}
|
|
|
|
fstype="$(mount | grep ' / ' | awk '$5 != "rootfs" {print $5}')"
|
|
case "$fstype" in
|
|
ext2|jffs2) echo "Copying from $fstype to yaffs2";;
|
|
*) echo "Invalid filesystem."; exit 1;;
|
|
esac
|
|
|
|
[ -d /tmp/cf2nand ] && {
|
|
echo "/tmp/cf2nand already exists"
|
|
exit 1
|
|
}
|
|
|
|
mkdir /tmp/cf2nand
|
|
mkdir /tmp/cf2nand/rootfs
|
|
mount -t "$fstype" /dev/root /tmp/cf2nand/rootfs || {
|
|
echo "Mounting rootfs failed."
|
|
exit 1
|
|
}
|
|
|
|
boot="$(find_mtd_part 'Routerboard NAND boot')"
|
|
main="$(find_mtd_part 'rootfs')"
|
|
[ -z "$boot" -o -z "$main" ] && {
|
|
echo "Cannot find NAND Flash partitions"
|
|
exit 1
|
|
}
|
|
|
|
echo "Erasing filesystem..."
|
|
mtd erase Boot 2>/dev/null >/dev/null
|
|
mtd erase Main 2>/dev/null >/dev/null
|
|
|
|
mkdir /tmp/cf2nand/p1
|
|
mkdir /tmp/cf2nand/p2
|
|
mount -t yaffs2 "$boot" /tmp/cf2nand/p1
|
|
mount -t yaffs2 "$main" /tmp/cf2nand/p2
|
|
|
|
echo "Copying kernel..."
|
|
copy_kernel /dev/cfa1 /tmp/cf2nand/p1/kernel "root=/dev/mtdblock1 rootfstype=yaffs2 " 2>/dev/null >/dev/null
|
|
umount /tmp/cf2nand/p1
|
|
rmdir /tmp/cf2nand/p1
|
|
|
|
echo "Copying filesystem..."
|
|
( cd /tmp/cf2nand/rootfs; tar c . ) | ( cd /tmp/cf2nand/p2; tar x )
|
|
echo "chmod ugo+x /" > /tmp/cf2nand/p2/etc/uci-defaults/set_root_permission
|
|
sync
|
|
# Use kexec is present
|
|
[ -x /usr/bin/kexec ] && {
|
|
kexec -l /tmp/cf2nand/p1/kernel --command-line="$(cat /proc/cmdline) root=/dev/mtdblock1 rootfstype=yaffs2"
|
|
kexec -e
|
|
}
|
|
umount /tmp/cf2nand/p2
|
|
rmdir /tmp/cf2nand/p2
|
|
|
|
umount /tmp/cf2nand/rootfs
|
|
rmdir /tmp/cf2nand/rootfs
|
|
rmdir /tmp/cf2nand
|
|
|