-flash-bootrom: bootrom/obj/bootrom.s19 $(FLASH_TOOL)
- $(FLASH_TOOL) bootrom $(subst /,$(PATHSEP),$<)
+flash-bootrom: bootrom/obj/bootrom.elf $(FLASH_TOOL)
+ $(FLASH_TOOL) -b $(subst /,$(PATHSEP),$<)
+
+flash-os: armsrc/obj/osimage.elf $(FLASH_TOOL)
+ $(FLASH_TOOL) $(subst /,$(PATHSEP),$<)