Techniques to provide hardware enforced protection environment for a system management mode

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United States of America Patent

PATENT NO 11783064
APP PUB NO 20190042780A1
SERIAL NO

15941992

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Abstract

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Various embodiments are generally directed to an apparatus, method and other techniques to detect an access request to access a computing resource while in a system management mode (SMM), determine a bit of a lock register is set to enable access to a bitmap associated with the computing resource, the bitmap to indicate an access policy for the computing resource, and determine whether the access request violate the access policy set in the bitmap. Embodiments may also include performing the access request if the access request does not violate the access policy, and causing a fault if the access request does violate the access policy.

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Patent Owner(s)

Patent OwnerAddress
INTEL CORPORATION2200 MISSION COLLEGE BOULEVARD SANTA CLARA CA 95054

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brannock, Kirk D Hillsboro, US 35 526
Huntley, Barry E Hillsboro, US 120 1058

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