1KERNEL_IMG="openwrt-au1000-au1500-vmlinux.bin"
2ROOTFS_IMG="openwrt-au1000-au1500-jffs2-128k.fs"
3
4platform_check_image() {
5	[ "$ARGC" -gt 1 ] && return 1
6	case "$(get_magic_word "$1")" in
7		6f70)
8			( get_image "$1" | tar -tf - $KERNEL_IMG >/dev/null && \
9			  get_image "$1" | tar -tf - $ROOTFS_IMG >/dev/null) || {
10				echo "Invalid image contents"
11				return 1
12			}
13			return 0;;
14		*)
15			echo "Invalid image type"
16			return 1;;
17	esac
18}
19
20platform_do_upgrade() {
21	sync
22	local conf=""
23	[ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && conf="-j $CONF_TAR"
24	get_image "$1" | tar -Oxvf - $KERNEL_IMG | mtd write - "kernel"
25	get_image "$1" | tar -Oxvf - $ROOTFS_IMG | mtd $conf write - "rootfs"
26}
27
28disable_watchdog() {
29        killall watchdog
30        ( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
31                echo 'Could not disable watchdog'
32                return 1
33        }
34}
35
36append sysupgrade_pre_upgrade disable_watchdog
37