Method and system for supporting virtual mappings for shared...

Details Method and system for supporting virtual mappings for shared... Method and system for supporting virtual mappings for shared...

2007-11-27

2007-11-27

Farrokh, Hashem (Department: 2187)

Electrical computers and digital processing systems: memory

Address formation

Address mapping

C719S328000

Reexamination Certificate

active

10955802

ABSTRACT:
System and method of supporting virtual mappings for shared firmware contents in a computer system are described. In one embodiment, the method comprises, responsive to a function call issued by a processor, determining whether address translation has been enabled for the issuing processor; and responsive to a determination that address translation has been enabled, determining an ID of the issuing processor; identifying a Physical-to-Virtual (“PTV”) Map corresponding to the issuing processor; extracting from the identified PTV map a virtual address corresponding to a physical address passed in the function call; and returning the virtual address to the issuing processor.

REFERENCES:
patent: 5778226 (1998-07-01), Adams et al.
patent: 6125430 (2000-09-01), Noel et al.
patent: 2004/0143714 (2004-07-01), Watt
patent: 2004/0177243 (2004-09-01), Worley, Jr.
Doran, Mark, Principal Engineer, Intel Corporation; “EFI 1.10 and Beyond: An Overview”; http://www.intel.com/technology/efi/efibeyondbs.pdf; Feb. 19, 2003; pp. 1-26.

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