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:
Jul. 15, 2025
Filed:
Jul. 15, 2022
Applicant:
Stmicroelectronics (Grand Ouest) Sas, Le Mans, FR;
Inventors:
Michel Jaouen, Yvre l'Eveque, FR;
Loic Pallardy, Rouillon, FR;
Assignee:
STMicroelectronics (Grand Ouest) SAS, Le Mans, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/62 (2013.01); G06F 12/0802 (2016.01);
U.S. Cl.
CPC ...
G06F 21/6281 (2013.01); G06F 12/0802 (2013.01); G06F 2212/60 (2013.01);
Abstract
In an embodiment a method for managing access rights of software tasks executed by a processing unit (CPU) using a cache memory containing execution data of the tasks in memory locations, each execution data having an attribute representative of a level of access right of the respective task, includes changing the attributes of the locations of the cache memory when the access rights of at least one task changes and retaining the execution data contained in the locations of the cache memory.