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:
Aug. 09, 2011
Filed:
Jun. 06, 2005
Applicants:
Erik K. Renno, Trondheim, NO;
Oyvind Strom, Trondheim, NO;
Andreas Engh-halstvedt, Trondheim, NO;
Havard Skinnemoen, Trondheim, NO;
Inventors:
Erik K. Renno, Trondheim, NO;
Oyvind Strom, Trondheim, NO;
Andreas Engh-Halstvedt, Trondheim, NO;
Havard Skinnemoen, Trondheim, NO;
Assignee:
Atmel Corporation, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus comprises register means for storing a return context upon initiation of a supervisor call instruction and restoring means to restore a privilege level and status register upon execution of a supervisor return instruction. The supervisor call instruction can be called from all contexts.