The PPE accesses main storage (the effective-address space) with load and store instructions that move data between main storage and a private register file, the contents of which may be cached.
PPE用载入和存储指令访问主存储器(有效地址空间)，可以在主存储器与内容可以缓存的私有寄存器文件之间移动数据。
The dsirr (Data Storage Interrupt reason Register) indicates the type of page fault that has occurred.
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 dsisr (Data Storage Interrupt Status Register) indicates why the page fault could not be resolved.
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.
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。
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