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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.:

US 10719632 B1

PDFFull Text
Date of Patent:
Jul. 21, 2020

Filed:

Aug. 25, 2016

Data processing systems

Applicant:

Arm Limited, Cambridge, GB;

Inventors:

Håkan Lars-Göran Persson, Bjärred, SE;

Steven John Price, Cambridge, GB;

Thomas James Cooksey, Cambridge, GB;

Assignee:

Arm Limited, Cambridge, GB;

Attorney:

Vierra Magen Marcus LLP

Primary Examiner:

Charles M Swift

Int. Cl.
CPC ...
G06F 21/74 (2013.01); G06F 21/75 (2013.01); G06F 21/70 (2013.01); G06F 21/71 (2013.01); H04L 9/00 (2006.01); G06F 9/48 (2006.01); G06F 9/50 (2006.01); C09D 11/50 (2014.01); C09B 67/02 (2006.01); G06F 21/14 (2013.01); G06F 21/12 (2013.01); G06F 21/55 (2013.01); G06F 21/50 (2013.01); G06F 21/60 (2013.01); G06F 12/14 (2006.01); H04L 9/06 (2006.01); G06F 9/46 (2006.01); G06T 1/20 (2006.01);
U.S. Cl.
CPC ...
G06F 21/74 (2013.01); C09B 67/0097 (2013.01); C09D 11/50 (2013.01); G06F 9/468 (2013.01); G06F 9/48 (2013.01); G06F 9/50 (2013.01); G06F 9/5016 (2013.01); G06F 12/14 (2013.01); G06F 21/12 (2013.01); G06F 21/14 (2013.01); G06F 21/50 (2013.01); G06F 21/55 (2013.01); G06F 21/556 (2013.01); G06F 21/60 (2013.01); G06F 21/70 (2013.01); G06F 21/71 (2013.01); G06F 21/75 (2013.01); G06T 1/20 (2013.01); H04L 9/00 (2013.01); H04L 9/002 (2013.01); H04L 9/003 (2013.01); H04L 9/004 (2013.01); H04L 9/005 (2013.01); H04L 9/0637 (2013.01); G06T 2200/28 (2013.01);
Abstract

A data processing system includes a host processor that executes an operating system and an accelerator operable to process data under the control of the operating system executing on the host processor. The accelerator can be switched between a normal mode of operation and a protected mode of operation in which the side channel information that can be provided by the accelerator to the host processor is restricted. The data processing system also includes a mechanism for switching the accelerator from its normal mode of operation to the protected mode of operation, and from its protected mode of operation to the normal mode of operation.

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