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.
Patent No.:
Date of Patent:
Jun. 14, 2022
Filed:
Mar. 19, 2021
Applicant:
Huawei Technologies Co., Ltd., Guangdong, CN;
Inventors:
Assignee:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/48 (2006.01); G06F 13/24 (2006.01); G06F 1/24 (2006.01); G06F 11/07 (2006.01);
U.S. Cl.
CPC ...
G06F 9/48 (2013.01); G06F 1/24 (2013.01); G06F 9/4812 (2013.01); G06F 11/0757 (2013.01); G06F 11/0793 (2013.01); G06F 13/24 (2013.01);
Abstract
Method and systems for executing a non-maskable interrupt are provided. In one aspect, a method for executing a non-maskable interrupt includes: obtaining an interrupt request in a non-secure mode, and interrupting an operation of an operating system (OS); saving, in a secure mode, a status of the OS when the operation of the OS is interrupted; executing, in the non-secure mode, a procedure defined for the interrupt request; resume, in the secure mode, the status of the OS; and after resuming the status of the OS, continue executing the operation of the OS in the non-secure mode.