1platform_check_image() { 2 [ "$ARGC" -gt 1 ] && return 1 3 4 case "$(get_magic_word "$1")" in 5 48eb) return 0;; 6 *) 7 echo "Invalid image type" 8 return 1 9 ;; 10 esac 11} 12 13platform_do_upgrade() { 14 get_image "$1" > /dev/hda 15 sync 16} 17 18x86_prepare_ext2() { 19 # if we're running from ext2, we need to make sure that we have a mtd 20 # partition that points to the active rootfs partition. 21 # however this only matters if we actually need to preserve the config files 22 [ "$SAVE_CONFIG" -eq 1 ] && return 0 23 grep rootfs /proc/mtd >/dev/null || { 24 echo /dev/hda2,65536,rootfs > /sys/module/block2mtd/parameters/block2mtd 25 } 26} 27append sysupgrade_pre_upgrade x86_prepare_ext2 28