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:
Dec. 28, 2021
Filed:
Aug. 22, 2019
Fujitsu Limited, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
An arithmetic processing device includes: a decoding circuit configured to decode a command; a command execution circuit configured to execute the command decoded by the decoding circuit; a register circuit configured to include a plurality of registers for holding data used by the command execution circuit; an identification information holding circuit configured to store identification information for identifying a register for writing a specific value when the command is a register writing command; a setting circuit configured to hold the specific value; and an operation control circuit configured to execute inhibiting processing when the command is a register reading command, the inhibiting processing including inhibiting an access of the register by the register reading command and selecting the specific value held in the setting circuit.