dsirr（数据存储中断原因寄存器）表示发生的页面错误的类型。
The dsirr (Data Storage Interrupt reason Register) indicates the type of page fault that has occurred.
dsisr(数据存储中断状态寄存器)表示页面错误无法解决的原因。
The dsisr (Data Storage Interrupt Status Register) indicates why the page fault could not be resolved.
中断处理器读寄存器，并提供信息，指出哪一个存储单元出现了奇偶错误。
An interrupt handler reads the register and provides messages indicating which memory bank caused the parity error.
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