Apparatus and method for memory address re-mapping of...

Details Apparatus and method for memory address re-mapping of... Apparatus and method for memory address re-mapping of...

2011-01-11

2011-01-11

Nguyen, Hau H (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics display memory system

Graphic display memory controller

C345S537000, C345S538000, C345S568000

Reexamination Certificate

active

07868897

ABSTRACT:
A method and apparatus for creating, updating, and using guest physical address (GPA) to host physical address (HPA) shadow translation tables for translating GPAs of graphics data direct memory access (DMA) requests of a computing environment implementing a virtual machine monitor to support virtual machines. The requests may be sent through a render or display path of the computing environment from one or more virtual machines, transparently with respect to the virtual machine monitor. The creating, updating, and using may be performed by a memory controller detecting entries sent to existing global and page directory tables, forking off shadow table entries from the detected entries, and translating GPAs to HPAs for the shadow table entries.

REFERENCES:
patent: 5077654 (1991-12-01), Ohtsuki
patent: 5088031 (1992-02-01), Takasaki
patent: 5390309 (1995-02-01), Onodera
patent: 5426748 (1995-06-01), Brenza et al.
patent: 6895491 (2005-05-01), Kjos et al.
patent: 6907600 (2005-06-01), Neiger et al.
patent: 7499057 (2009-03-01), Wooten
patent: 2005/0132365 (2005-06-01), Madukkarumukumana et al.
patent: 2006/0146057 (2006-07-01), Blythe
patent: 67344 (1982-05-01), None
patent: 1677190 (2005-11-01), None
Intel Corporation, Transmittal of International Search Report and Written Opinion mailed Nov. 13, 2007, PCT/US2007/071953 filed Jun. 22, 2007.

Affiliated with

Also associated with

Rating

Apparatus and method for memory address re-mapping of... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method for memory address re-mapping of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for memory address re-mapping of... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2739621