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:
Jun. 20, 2023
Filed:
Feb. 12, 2019
Arm Limited, Cambridge, GB;
Graeme Peter Barnes, Cambridge, GB;
Jasen Milov Borisov, Cambridge, GB;
Arm Limited, Cambridge, GB;
Abstract
An apparatus has processing circuitry (); memory access circuitry () to perform a guard tag check for a tag checking target address having an associated address tag, the guard tag check comprising comparing the address tag with a guard tag stored in a memory system in association with a block of one or more memory locations comprising an addressed location identified by the target address; and an instruction decoder () responsive to a random tag setting instruction specifying a tag setting target address, to control the processing circuitry () to set the address tag associated with the tag setting target address to a random tag value randomly selected from a set of candidate tag values.