184.108.40.206.1. The RD Flag
- The tag portion of pteaddr.VPN
- The tlbacc register
The TLB entry to be read is specified by the following values:
- the line portion of pteaddr.VPN
When system software changes the fields that specify the TLB entry, there is no immediate effect on pteaddr.VPN, tlbmisc.PID, or the tlbacc register. The registers retain their previous values until the next TLB read operation is initiated. For example, when the operating system sets pteaddr.VPN to a new value, the contents of tlbacc continues to reflect the previous TLB entry. tlbacc does not contain the new TLB entry until after an explicit TLB read.
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