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. 26, 2021
Filed:
Jan. 13, 2015
Applicant:
Texas Instruments Incorporated, Dallas, TX (US);
Inventors:
Gregory Remy Philippe Conti, Saint Paul, FR;
Jerome Laurent Azema, Villeneuve-Loubet, FR;
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01); G06F 9/30 (2018.01); G06F 11/30 (2006.01); G06F 11/28 (2006.01); G06F 21/82 (2013.01);
U.S. Cl.
CPC ...
G06F 21/00 (2013.01); G06F 9/30076 (2013.01); G06F 11/28 (2013.01); G06F 11/3027 (2013.01); G06F 21/82 (2013.01);
Abstract
A method and system of verifying proper execution of a secure mode entry sequence. At least some of the exemplary embodiments may be a method comprising delivering an instruction from a memory to a processor across an instruction bus (the instruction at least partially configures the processor for secure mode of operation different that privilege modes of the processor), verifying delivery of the instruction across the instruction bus, and checking for proper execution of the instruction using a trace port of the processor.