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TTBRx_EL1中的CnP位作用是什么?

在ARMv8中,TTBR0_EL1和TTBR1_RL1最低为支持CnP,如图:

CnP与ASID有关,设置CnP为表示在同一个内部共享域共享TLB,问题是,在TLB命中时,是否命中还需要考虑到ASID匹配 才能命中?否则即使设置了CnP位,TLB entries中ASID与PE的ASID不同也不能命中

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