Processor that detects when system management mode attempts to reach program code outside of protected space

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United States of America Patent

PATENT NO 9448867
APP PUB NO 20130326288A1
SERIAL NO

13997046

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Abstract

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A method is described that includes detecting that a memory access of system management mode program code is attempting to reach program code outside of a protected region of memory by comparing a target memory address of a memory access instruction of the system management program code again information that defines confines of the protection region. The method also includes raising an error signal in response to the detecting.

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Patent Owner(s)

  • INTEL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Binns, Frank Portland, US 26 576
Datta, Shamanna M Hillsboro, US 22 237
Kumar, Mohan J Aloha, US 227 3050
Natu, Mahesh S Sunnyvale, US 55 651
Parathasarathy, Rajesh S Hillsboro, US 1 15

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