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FLASH 2-bit ERROR



我在做  flash 2-bit error 插入错误诊断触发,程序跳转到异常中断,

 产生ESM和flash错误标志,

恢复运行后程序会恢复执行下一条语句,ESM和Flash错误标志就没有。  我的意图就是插入错误后去读取错误标志,但是由于异常指令执行后就读取不到错误标志了。  1.为什么产生2 -bit error 会进入 prefetchEntry ? 2. 我该如何诊断2-bit错误?