+platform_check_image() {
+ [ "$ARGC" -gt 1 ] && return 1
+
+ case "$(get_magic_word "$1")" in
+ 48eb) return 0;;
+ *)
+ echo "Invalid image type"
+ return 1
+ ;;
+ esac
+}
+
+platform_do_upgrade() {
+ get_image "$1" > /dev/hda
+ sync
+}
+
+x86_prepare_ext2() {
+ # if we're running from ext2, we need to make sure that we have a mtd
+ # partition that points to the active rootfs partition.
+ # however this only matters if we actually need to preserve the config files
+ [ "$SAVE_CONFIG" -eq 1 ] && return 0
+ grep rootfs /proc/mtd >/dev/null || {
+ echo /dev/hda2,65536,rootfs > /sys/module/block2mtd/parameters/block2mtd
+ }
+}
+append sysupgrade_pre_upgrade x86_prepare_ext2