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:
Oct. 07, 2014
Filed:
Dec. 22, 2010
Takahito Hirano, Kawasaki, JP;
Iwao Yamazaki, Kawasaki, JP;
Takahito Hirano, Kawasaki, JP;
Iwao Yamazaki, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A processor holds, in a plurality of respective cache lines, part of data held in a main memory unit. The processor also holds, in the plurality of respective cache lines, a tag address used to search for the data held in the cache lines and a flag indicating the validity of the data held in the cache lines. The processor executes a cache line fill instruction on a cache line corresponding to a specified address. Upon execution of the cache line fill instruction, the processor registers predetermined data in the cache line of the cache memory unit which has a tag address corresponding to the specified address and validates a flag in the cache line having the tag address corresponding to the specified address.