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:
Jan. 06, 2015
Filed:
Feb. 18, 2013
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Colin Christopher Sharp, San Diego, CA (US);
Sudeep Ravi Kottilingal, San Diego, CA (US);
Thomas Edwin Frisinger, Shrewsbury, MA (US);
Andrew E. Gruber, Arlington, MA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01); G06F 21/53 (2013.01); G06F 21/50 (2013.01);
U.S. Cl.
CPC ...
G06F 21/53 (2013.01); G06F 21/50 (2013.01); G06F 2221/0746 (2013.01);
Abstract
A graphics processing unit (GPU) is configured to access a first memory unit according to one of an unsecure mode and a secure mode. The GPU may include a memory access controller configured to allow the GPU to read data from only an unsecure portion of the first memory unit when the GPU is in the unsecure mode, and configured to allow the GPU to write data only to a secure portion of the first memory unit when the GPU is in the secure mode.