add x86_64 target support

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>

SVN-Revision: 39208

target/linux/x86_64/base-files/lib/upgrade/platform.sh

@@ -0,0 +1,44 @@
+x86_get_rootfs() {
+	local rootfsdev
+	local rootfstype
+	
+	rootfstype="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "rootfstype") { print $2 }' < /proc/cmdline)"
+	case "$rootfstype" in
+		squashfs|jffs2)
+			rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "block2mtd.block2mtd") { print substr($2,1,index($2, ",")-1) }' < /proc/cmdline)";;
+		ext4)
+			rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "root") { print $2 }' < /proc/cmdline)";;
+	esac
+		
+	echo "$rootfstype:$rootfsdev"
+}
+
+platform_check_image() {
+	[ "$ARGC" -gt 1 ] && return 1
+
+	case "$(get_magic_word "$1")" in
+		eb48|eb63) return 0;;
+		*)
+			echo "Invalid image type"
+			return 1
+		;;
+	esac
+}
+
+platform_copy_config() {
+	local rootfs="$(x86_get_rootfs)"
+	local rootfsdev="${rootfs##*:}"
+	
+	mount -t ext4 -o rw,noatime "${rootfsdev%[0-9]}1" /mnt
+	cp -af "$CONF_TAR" /mnt/
+	umount /mnt
+}
+
+platform_do_upgrade() {
+	local rootfs="$(x86_get_rootfs)"
+	local rootfsdev="${rootfs##*:}"
+
+	sync
+	[ -b ${rootfsdev%[0-9]} ] && get_image "$@" | dd of=${rootfsdev%[0-9]} bs=4096 conv=fsync
+	sleep 1
+}