这让处理器可以提前准备分支操作(例如预取指令)。
This allows the processor to prepare for the branch ahead of time (prefetching the instructions, for instance).
它从存储器中取指令,提供存储器需要的地址和控制信号。
It fetches instructions from memory, supplying the address and control signals needed by memory to access its data.
每个被映射的页面都有读、写以及取指令(也叫执行)的限制。
Each mapped page is restricted in the types of operations that may be performed on its contents: read, write, and instruction fetch (also called execute).
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