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:
Jul. 17, 2020
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Andrew Edmund Turner, San Diego, CA (US);
Bohuslav Rychlik, San Diego, CA (US);
George Patsilaras, San Diego, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/0815 (2016.01); G06F 12/0804 (2016.01); G06F 12/0891 (2016.01); G06F 12/10 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0815 (2013.01); G06F 12/0804 (2013.01); G06F 12/0891 (2013.01); G06F 12/10 (2013.01); G06F 2212/1032 (2013.01); G06F 2212/657 (2013.01);
Abstract
Various embodiments include methods and devices for virtual cache coherency. Embodiments may include receiving a snoop for a physical address from a coherent processing device, determining whether an entry for the physical address corresponding to a virtual address in a virtual cache exists in a snoop filter, and sending a cache coherency operation to the virtual cache in response to determining that the entry exists in the snoop filter.