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62 lines
1.4 KiB
Bash
62 lines
1.4 KiB
Bash
#!/bin/sh
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. /etc/functions.sh
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copy_kernel() {
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local input="$1"
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local output="$2"
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local cmdline="$3"
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size="$(echo -n "$cmdline" | wc -c)"
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dd if="$input" bs=3M count=1 > "$output"
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/sbin/patch-cmdline "$output" "$cmdline"
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}
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fstype="$(mount | grep ' / ' | awk '$5 != "rootfs" {print $5}')"
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case "$fstype" in
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ext2|jffs2) echo "Copying from $fstype to yaffs2";;
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*) echo "Invalid filesystem."; exit 1;;
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esac
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[ -d /tmp/cf2nand ] && {
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echo "/tmp/cf2nand already exists"
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exit 1
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}
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mkdir /tmp/cf2nand
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mkdir /tmp/cf2nand/rootfs
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mount -t "$fstype" /dev/root /tmp/cf2nand/rootfs || {
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echo "Mounting rootfs failed."
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exit 1
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}
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boot="$(find_mtd_part 'RouterBoard NAND Boot')"
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main="$(find_mtd_part 'RouterBoard NAND Main')"
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[ -z "$boot" -o -z "$main" ] && {
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echo "Cannot find NAND Flash partitions"
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exit 1
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}
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echo "Erasing filesystem..."
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mtd erase Boot 2>/dev/null >/dev/null
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mtd erase Main 2>/dev/null >/dev/null
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mkdir /tmp/cf2nand/p1
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mkdir /tmp/cf2nand/p2
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mount -t yaffs2 "$boot" /tmp/cf2nand/p1
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mount -t yaffs2 "$main" /tmp/cf2nand/p2
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echo "Copying kernel..."
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copy_kernel /dev/cf/card0/part1 /tmp/cf2nand/p1/kernel "root=/dev/mtdblock1 rootfstype=yaffs2 " 2>/dev/null >/dev/null
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umount /tmp/cf2nand/p1
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rmdir /tmp/cf2nand/p1
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echo "Copying filesystem..."
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( cd /tmp/cf2nand/rootfs; tar c . ) | ( cd /tmp/cf2nand/p2; tar x )
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sync
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umount /tmp/cf2nand/p2
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rmdir /tmp/cf2nand/p2
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umount /tmp/cf2nand/rootfs
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rmdir /tmp/cf2nand/rootfs
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rmdir /tmp/cf2nand
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