| 1 | #!/bin/sh |
| 2 | . /etc/functions.sh |
| 3 | |
| 4 | copy_kernel() { |
| 5 | local input="$1" |
| 6 | local output="$2" |
| 7 | local cmdline="$3" |
| 8 | size="$(echo -n "$cmdline" | wc -c)" |
| 9 | dd if="$input" bs=3M count=1 > "$output" |
| 10 | /sbin/patch-cmdline "$output" "$cmdline" |
| 11 | } |
| 12 | |
| 13 | fstype="$(mount | grep ' / ' | awk '$5 != "rootfs" {print $5}')" |
| 14 | case "$fstype" in |
| 15 | ext2|jffs2) echo "Copying from $fstype to yaffs2";; |
| 16 | *) echo "Invalid filesystem."; exit 1;; |
| 17 | esac |
| 18 | |
| 19 | [ -d /tmp/cf2nand ] && { |
| 20 | echo "/tmp/cf2nand already exists" |
| 21 | exit 1 |
| 22 | } |
| 23 | |
| 24 | mkdir /tmp/cf2nand |
| 25 | mkdir /tmp/cf2nand/rootfs |
| 26 | mount -t "$fstype" /dev/root /tmp/cf2nand/rootfs || { |
| 27 | echo "Mounting rootfs failed." |
| 28 | exit 1 |
| 29 | } |
| 30 | |
| 31 | boot="$(find_mtd_part 'Routerboard NAND boot')" |
| 32 | main="$(find_mtd_part 'rootfs')" |
| 33 | [ -z "$boot" -o -z "$main" ] && { |
| 34 | echo "Cannot find NAND Flash partitions" |
| 35 | exit 1 |
| 36 | } |
| 37 | |
| 38 | echo "Erasing filesystem..." |
| 39 | mtd erase Boot 2>/dev/null >/dev/null |
| 40 | mtd erase Main 2>/dev/null >/dev/null |
| 41 | |
| 42 | mkdir /tmp/cf2nand/p1 |
| 43 | mkdir /tmp/cf2nand/p2 |
| 44 | mount -t yaffs2 "$boot" /tmp/cf2nand/p1 |
| 45 | mount -t yaffs2 "$main" /tmp/cf2nand/p2 |
| 46 | |
| 47 | echo "Copying kernel..." |
| 48 | copy_kernel /dev/cfa1 /tmp/cf2nand/p1/kernel "root=/dev/mtdblock1 rootfstype=yaffs2 " 2>/dev/null >/dev/null |
| 49 | umount /tmp/cf2nand/p1 |
| 50 | rmdir /tmp/cf2nand/p1 |
| 51 | |
| 52 | echo "Copying filesystem..." |
| 53 | ( cd /tmp/cf2nand/rootfs; tar c . ) | ( cd /tmp/cf2nand/p2; tar x ) |
| 54 | echo "chmod ugo+x /" > /tmp/cf2nand/p2/etc/uci-defaults/set_root_permission |
| 55 | sync |
| 56 | # Use kexec is present |
| 57 | [ -x /usr/bin/kexec ] && { |
| 58 | kexec -l /tmp/cf2nand/p1/kernel --command-line="$(cat /proc/cmdline) root=/dev/mtdblock1 rootfstype=yaffs2" |
| 59 | kexec -e |
| 60 | } |
| 61 | umount /tmp/cf2nand/p2 |
| 62 | rmdir /tmp/cf2nand/p2 |
| 63 | |
| 64 | umount /tmp/cf2nand/rootfs |
| 65 | rmdir /tmp/cf2nand/rootfs |
| 66 | rmdir /tmp/cf2nand |
| 67 | |
| 68 | |
