Method and apparatus for a guest to access a memory mapped device

Embodiments of apparatuses, methods, and systems for guests to access memory mapped devices are disclosed. In one embodiment, an apparatus includes evaluation logic and exit logic. The evaluation logic is to determine, in response to an attempt of a guest to access a device using a memory address ma...

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Main Author NEIGER GILBERT,ANDERSON ANDREW V.,BENNETT STEVEN M.,MADUKKARUMUKUMANA RAJESH S.,UHLIG RICHARD A.,PARTHASARATHY RAJESH S.,SCHOENBERG SEBASTIAN
Format Patent
LanguageEnglish
Published 04.07.2007
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:Embodiments of apparatuses, methods, and systems for guests to access memory mapped devices are disclosed. In one embodiment, an apparatus includes evaluation logic and exit logic. The evaluation logic is to determine, in response to an attempt of a guest to access a device using a memory address mapped to the device and based on an access type, whether the access is allowed. The exit logic is to transfer control to a host if the evaluation logic determines that the access is not allowed.
Bibliography:Application Number: CN200610064096