all2: all sh ../pre_build.sh riscv32-elf-xmaker -b rtthread.xm riscv32-elf-xmaker -b download.xm clean2: -$(RM) $(CC_DEPS)$(C++_DEPS)$(C_UPPER_DEPS)$(CXX_DEPS)$(SECONDARY_FLASH)$(SECONDARY_SIZE)$(ASM_DEPS)$(S_UPPER_DEPS)$(C_DEPS)$(CPP_DEPS) -$(RM) $(OBJS) *.elf -@echo ' '