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.
Patent No.:
Date of Patent:
Apr. 19, 1994
Filed:
Dec. 21, 1990
Robert Becker, Shirley, MA (US);
Peter Mehring, Wilmington, MA (US);
Sun Microsystems, Inc., Mountain View, CA (US);
Abstract
A translation lookaside buffer for caching virtual addresses from a plurality of sources along with the associated physical addresses which physical addresses must be rapidly accessable and in which virtual addresses may appear simultaneously from two of the sources requiring translation into physical addresses, including a primary cache for storing a plurality of individual virtual addresses and associated physical addresses from all of the plurality of sources, apparatus for storing a single virtual address and its associated physical address from one of the plurality of sources which occurs most often each time a virtual address and an associated physical address from that one of the plurality of sources is referenced in the primary cache, and apparatus for ascertaining whether the virtual address held in the apparatus for storing a single virtual address and an associated physical address is a virtual address sought when an attempt is made to access the primary cache for a virtual address from the one of the plurality of sources and for another of the plurality of sources simultaneously.