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:
May. 12, 2020
Filed:
Mar. 16, 2017
Applicant:
Arm Limited, Cambridge, GB;
Inventors:
Geoffrey Wyman Blake, Austin, TX (US);
Pavel Shamis, Austin, TX (US);
Assignee:
ARM Limited, Cambridge, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 9/54 (2006.01); G06F 12/0804 (2016.01); G06F 12/0815 (2016.01); G06F 13/40 (2006.01); G06F 13/42 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0653 (2013.01); G06F 3/0604 (2013.01); G06F 3/0625 (2013.01); G06F 3/0673 (2013.01); G06F 9/542 (2013.01); G06F 12/0804 (2013.01); G06F 12/0815 (2013.01); G06F 13/4068 (2013.01); G06F 13/42 (2013.01); G06F 3/067 (2013.01); G06F 2212/621 (2013.01); Y02D 10/14 (2018.01); Y02D 10/151 (2018.01);
Abstract
An apparatus has a monitoring data store for storing monitoring data indicating regions of a memory address space to be monitored for changes, which can include at least two non-contiguous regions. Processing circuitry updates the monitoring data in response to an update monitor instruction. Monitoring circuitry monitors accesses to the memory system and provides a notification to the processing circuitry when data associated with one of the monitored regions has changed. This improves performance and energy efficiency by reducing the overhead of polling changes to multiple regions.