The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 31, 1987

Filed:

Nov. 28, 1983
Applicant:
Inventor:

Gary A Woffinden, Scotts Valley, CA (US);

Assignee:

Amdahl Corporation, Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364200 ;
Abstract

An apparatus translates a set of logical addresses to a system addresses where the set of logical addresses includes virtual and real addresses which map to the same system address. An address mechanism provides a requesting field for indicating when a requesting logical address is virtual or when a requesting logical address is real. An address translator translates logical addresses to system addresses. A translation buffer stores translation information for associating logical addresses with system addresses. The translation buffer includes means for storing a resident field for indicating if stored translation information associates a virtual address with a system address, a real address with a system address, or both a real address and a virtual address with a system address.


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