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:
Dec. 07, 2010
Filed:
Nov. 17, 2003
Simon Charles Watt, Cambridge, GB;
Christopher Bentley Dornan, Cambridge, GB;
Luc Orion, Mouans Sartoux, FR;
Nicolas Chaussade, Mouans-Sartoux, FR;
Lionel Belnet, Villeneuve-Loubet, FR;
Stephane Eric Sebastien Brochier, Chateauneuf de Grasse, FR;
Simon Charles Watt, Cambridge, GB;
Christopher Bentley Dornan, Cambridge, GB;
Luc Orion, Mouans Sartoux, FR;
Nicolas Chaussade, Mouans-Sartoux, FR;
Lionel Belnet, Villeneuve-Loubet, FR;
Stephane Eric Sebastien Brochier, Chateauneuf de Grasse, FR;
ARM Limited, Cambridge, GB;
Abstract
A data processing system including a processor operable in a plurality of modes and in either a secure domain or a non-secure domain. The system includes at least one secure mode being a mode in the secure domain, at least one non-secure mode being a mode in the non-secure domain, and a monitor mode. When the processor is executing a program in a secure mode the program has access to secure data which is not accessible when the processor is operating in a non-secure mode. Switching between the secure and non-secure modes takes place via the monitor mode and the processor is operable at least partially in the monitor mode to execute a monitor program managing switching between the secure and non-secure modes.