Selective address translation for a resource such as a...

Details Selective address translation for a resource such as a... Selective address translation for a resource such as a...

2006-03-10

2008-09-16

Ellis, Kevin (Department: 2187)

Electrical computers and digital processing systems: memory

Address formation

Address mapping

C711S141000, C711S144000, C711S145000, C711S202000, C711S206000

Reexamination Certificate

active

07426627

ABSTRACT:
A computing system has a resource for providing resource services, where each resource service is accessed by way of a system address (SA). A device requests the resource services of the resource by way of requests, where each request includes a remote address (RA) corresponding to an SA of the resource. A centralized address translator (CAT) has a database of RA/SA translations for the resource and the device, where each RA/SA translation in the database corresponds to a respective RA and SA. The device has a remote address translator (RAT) with a cache for storing priority RA/SA translations as obtained from the CAT. Each priority RA/SA translation in the cache of the RAT includes a validity flag set to indicate whether the priority translation is valid based on whether the SA has changed at the CAT.

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David L. Black, Richard F. Rashid, David B. Golub, Charles R. Hill, Robert V. Baron, Translation Lookaside Buffer Consistency: A Software Approach, 1998, ACM.

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