define Image/Build
$(call Image/Build/$(1))
+ $(call Build/sdcard-img)
dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
endef
+define Build/sdcard-img
+ ./gen_realview_sdcard_img.sh \
+ $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)sdcard.img \
+ $(KDIR)/root.ext4 \
+ $(CONFIG_TARGET_ROOTFS_PARTSIZE)
+endef
+
+
$(eval $(call BuildImage))