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. 29, 2012
Filed:
Feb. 21, 2007
Gerard Chauvel, Antibes, FR;
Gilbert Cabillic, Brece, FR;
Jean-philippe Lesot, Etrelles, FR;
Dominique D'inverno, Villeneuve-Loubet, FR;
Eric Badi, Cagnes-sur-Mer, FR;
Serge Lasserre, Plascassier, FR;
Gerard Chauvel, Antibes, FR;
Gilbert Cabillic, Brece, FR;
Jean-Philippe Lesot, Etrelles, FR;
Dominique D'Inverno, Villeneuve-Loubet, FR;
Eric Badi, Cagnes-sur-Mer, FR;
Serge Lasserre, Plascassier, FR;
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A method and system for implementing a micro-sequence based security model in a processor. More particularly, micro-sequences and JSM hardware resources are employed to construct a security model invisible to applications, and when memory constraints are in place, extend a complex security model in JSM code by implementing a micro-sequence security trigger. The method includes micro-sequence based security policy that determines whether an instruction accesses a privileged resource associated with a processor and when not already in privilege mode and not executing a micro-sequence, the micro-sequence based security policy is applied to the instruction to control access to the privileged resource according to the security policy.