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.

Date of Patent:
Aug. 26, 2008

Filed:

Feb. 25, 2005
Applicants:

Alexander C. Klaiber, Mountain View, CA (US);

Geoffrey S. Strongin, Austin, TX (US);

Kevin J. Mcgrath, Los Gatos, CA (US);

Inventors:

Alexander C. Klaiber, Mountain View, CA (US);

Geoffrey S. Strongin, Austin, TX (US);

Kevin J. McGrath, Los Gatos, CA (US);

Assignee:

Advanced Micro Devices, Inc., Sunnyvale, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 7/38 (2006.01); G06F 9/00 (2006.01); G06F 9/44 (2006.01); G06F 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In one embodiment, a register in a processor is programmable with an intercept indication indicative of whether or not an event that would cause a transition by the processor to a first mode is to be intercepted during execution of a guest. Responsive to the intercept indication and further responsive to detecting the event, execution circuitry in the processor is configured to exit the guest. In another embodiment, a method comprises: detecting an event that would cause a processor to transition to a first mode, wherein first code is to be executed in the first mode; and causing the first code to be executed in a guest responsive to the detecting. In still another embodiment, a computer accessible medium comprising instructions which when executed in response to detecting the event, cause the first code to be executed in a guest.


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