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. 01, 2020
Filed:
Nov. 29, 2017
Arm Limited, Cambridge, GB;
Nikos Nikoleris, London, GB;
Andreas Lars Sandberg, Cambridge, GB;
Prakash S. Ramrakhyani, Austin, TX (US);
Stephan Diestelhorst, Cambridge, GB;
ARM Limited, Cambridge, GB;
Abstract
Memory address translation apparatus comprises page table access circuitry to access a page table to retrieve translation data; a translation data buffer to store one or more instances of the translation data, comprising: an array of storage locations arranged in rows and columns; a row buffer comprising a plurality of entries and comparison circuitry responsive to a key value dependent upon at least the initial memory address, to compare the key value with information stored in each of at least one key entry and an associated value entry for storing at least a representation of a corresponding output memory address, and to identify which of the at least one key entry, if any, is a matching key entry storing information matching the key value; and output circuitry to output, when there is a matching key entry, at least the representation of the output memory address.