The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 15, 2023

Filed:

Apr. 26, 2022
Applicant:

Dell Products L.p., Round Rock, TX (US);

Inventors:

Yaohui Hung, Taipei, TW;

David Keith Chalfant, Round Rock, TX (US);

Poyu Cheng, Tainan, TW;

Assignee:

Dell Products L.P., Round Rock, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); G06F 11/07 (2006.01); G06F 21/31 (2013.01); G06F 11/14 (2006.01);
U.S. Cl.
CPC ...
G06F 11/0772 (2013.01); G06F 11/0787 (2013.01); G06F 11/1405 (2013.01); G06F 21/31 (2013.01);
Abstract

Controlling access to an ERST, including: triggering, in response to an occurrence of an error, a SMI; adjusting, in response to the SMI and by a SMM RAS handler module, a slate of an access gate from a locked state to an unlocked state, the access gate controlling access to an ERST storage region; generating, by an OS MCE handler, an error record based on the error; accessing, by the OS MCE handler, an ACPI ERST to identify instructions for storing the error record at the ERST storage region; triggering, in response to the instructions and by the OS MCE handler, an additional SMI; determining, in response to the additional SMI and by a SMM handler, that the access gate is in the unlocked state; in response to determining that the access gate is in the unlocked state: storing, by the SMM handler, the error record at the ERST.


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