Platform first error handling

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United States of America Patent

PATENT NO 11061753
APP PUB NO 20190303230A1
SERIAL NO

15940693

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Abstract

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Systems, apparatuses, and methods for implementing a hardware enforcement mechanism to enable platform-specific firmware visibility into an error state ahead of the operating system are disclosed. A system includes at least one or more processor cores, control logic, a plurality of registers, platform-specific firmware, and an operating system (OS). The control logic allows the platform-specific firmware to decide if and when the error state is visible to the OS. In some cases, the platform-specific firmware blocks the OS from accessing the error state. In other cases, the platform-specific firmware allows the OS to access the error state such as when the OS needs to unmap a page. The control logic enables the platform-specific firmware, rather than the OS, to make decisions about the replacement of faulty components in the system.

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Patent Owner(s)

Patent OwnerAddress
ADVANCED MICRO DEVICES INC901 THOMPSON PLACE P O BOX 3453 SUNNYVALE CA 94088

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Christie, David S Austin, US 84 3992
Clark, Michael T Austin, US 47 1106
Constantinescu, Cristian Fort Collins, US 2 1
Ilic, Jelena Austin, US 16 84
Liberty, Dean A Nashua, US 10 109
Sridharan, Vilas K Brookline, US 15 138
Williamson, James R Austin, US 12 147

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