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:
Nov. 25, 2014
Filed:
Dec. 05, 2012
Arm Limited, Cambridge, GB;
Viswanath Chakrala, Bangalore, IN;
Timothy Nicholas Hay, Cherry Hinton, GB;
Stuart David Biles, Bury St Edmunds, GB;
ARM Limited, Cambridge, GB;
Abstract
A data processing apparatus having a memory configured to store tables having virtual to physical address translations, a cache configured to store a subset of the virtual to physical address translations and cache management circuitry configured to control transactions received from the processor requesting virtual address to physical address translations. The data processing apparatus identifies where a faulting transaction has occurred during execution of a context and whether the faulting transaction has a transaction stall or transaction terminate fault. The cache management circuitry is responsive to identification of the faulting transaction having a transaction terminate fault to invalidate all address translations in the cache that relate to the context of the faulting transaction such that a valid bit associated with each entry in the cache is set to invalid for the address translations.