说明：  内存测试工具，可用于检查硬件内存质量，该版本为arm-linux板，可在arm-linux上运行。x86版本只要对照README做修改
(Memory test tool can be used to check the quality of the hardware memory, the version of arm-linux board, arm-linux can run on. README x86 version control to make changes as long as)