Processor-architecture for facilitating a virtual machine...

Details Processor-architecture for facilitating a virtual machine... Processor-architecture for facilitating a virtual machine...

2003-10-28

2008-09-02

An, Meng-Ai (Department: 2194)

Electrical computers and digital processing systems: virtual mac

Virtual machine task or process management

C718S100000, C712S001000

Reexamination Certificate

active

07421689

ABSTRACT:
Virtual-machine-monitor operation and implementation is facilitated by number of easily implemented features and extensions added to the features of a processor architecture. These features, one or more of which are used in various embodiments of the present invention, include a vmsw instruction that provides a means for transitioning between virtualization mode and non-virtualization mode without an interruption, a virtualization fault that faults on an attempt by a priority-0 routine in virtualization mode attempting to execute a privileged instruction, and a flexible highest-implemented-address mechanism to partition virtual address space into a virtualization address space and a non-virtualization address space.

REFERENCES:
patent: 4787031 (1988-11-01), Karger et al.
patent: 6895491 (2005-05-01), Kjos et al.
patent: 2003/0037089 (2003-02-01), Cota-Robles et al.

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