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:
May. 20, 2025

Filed:

Dec. 13, 2022
Applicant:

Alibaba (China) Co., Ltd., Zhejiang Province, CN;

Inventors:

Shijian Zhang, Beijing, CN;

Lide Duan, Sunnyvale, CA (US);

Assignee:

ALIBABA (CHINA) CO., LTD., Zhejiang Province, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0622 (2013.01); G06F 3/0631 (2013.01); G06F 3/0653 (2013.01); G06F 3/0671 (2013.01);
Abstract

The present application discloses a processing unit and an access detection method thereof. The processing unit includes an execution circuit. The execution circuit connects to a memory and is configured to: execute an access request, wherein the access request is for accessing at least one part of a first physical memory section corresponding to a first access base address; determine whether a first tag of the access request is equal to a second tag corresponding to the first memory base address and whether the at least one part of the first physical memory section matches a first legal access section corresponding to the first memory base address; and determine whether to send an alert message according to the determination result.


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