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:
Aug. 25, 2020
Filed:
Dec. 15, 2015
Marvell International Ltd., Hamilton, BM;
Gaurav Arora, Cupertino, CA (US);
Yongsen Chen, Shanghai, CN;
Adil Jagmag, Hollis, NH (US);
Pontus Lidman, Saratoga, CA (US);
Haobo Yu, Irvine, CA (US);
Yongbing Chen, Milpitas, CA (US);
Ailing Du, Sunnyvale, CA (US);
Marvell Asia Pte, Ltd., Singapore, SG;
Abstract
Systems, methods, and other embodiments associated with handling secure interrupts between security zones are described. According to one embodiment, an apparatus includes a memory divided between a secure zone and a non-secure zone and storing a plurality of applications. The secure zone provides exclusive access to secure assets of the apparatus. A processor with an interface module configured to, in response to receiving an interrupt request from a requesting application that executes on the processor in the non-secure zone, tunnel the interrupt request into the secure zone of the processor. The non-secure zone and the secure zone are configured as operating environments of the processor with separate security controls. The processor includes a monitor module configured to issue the secure interrupt to a trusted application that is one of the plurality of applications in the secure zone, wherein the trusted application is registered to handle the secure interrupt.