Method and apparatus for selector storing and restoration

Details Method and apparatus for selector storing and restoration Method and apparatus for selector storing and restoration

1995-12-18

1998-07-28

Chan, Eddie P.

Electrical computers and digital processing systems: memory

Address formation

Address mapping

711206, 711209, 711163, 711170, G06F 1210

Patent

active

057874956

ABSTRACT:
An apparatus for storing selectors directly into segment registers within a single processor cycle. New selectors are stored into addressable segment registers prior to being validated. Old selectors which are shifted into temporary register space prior to being overwritten. If a selector fails validation tests, and requires restoration, the old selector is shifted back into the appropriate segment register thereby restoring the state of the selector.

REFERENCES:
patent: 4442484 (1984-04-01), Childs, Jr. et al.
patent: 5125087 (1992-06-01), Randell
patent: 5339426 (1994-08-01), Aoshima
patent: 5418956 (1995-05-01), Willman

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