Using scan chains for context switching

Details Using scan chains for context switching Using scan chains for context switching

2005-12-13

2011-11-08

Puente, Emerson (Department: 2196)

Electrical computers and digital processing systems: virtual mac

Task management or control

Process scheduling

C712S228000

Reexamination Certificate

active

08056088

ABSTRACT:
The invention sets forth an approach to context switching that utilizes scan chains modified to perform context switching operations. The design requires substantially less additional silicon area and design engineering effort than existing context switch approaches, while operating substantially faster and providing additional debug observability during context switching operations.

REFERENCES:
patent: 5280616 (1994-01-01), Butler et al.
patent: 5428779 (1995-06-01), Allegrucci et al.
patent: 6959407 (2005-10-01), Six
patent: 7461242 (2008-12-01), Grossman et al.
patent: 2003/0164825 (2003-09-01), Baldwin et al.
patent: 2007/0136564 (2007-06-01), Menon et al.

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