Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Simon Charles Watt0
Stephane Eric Sebastian Brochier0
Christopher Bentley Dornan0
David Hennah Mansell0
Dominic Hugo Symes0
Lionel Belnet0
Luc Orion0
Nicolas Chaussade0
Date of Patent
February 9, 2010
0Patent Application Number
107144820
Date Filed
November 17, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A processor may utilise two operating systems (Non-Secure, Secure) between which calls may be made. In order that a second operating system can track task switches made by a first operating system, each time a call is made to the second operating system, this call includes an identifier to enable discrimination between the task which was executing on the first operating system when that call was made. The identifier can be a call identifier and/or a target thread identifier and may include further parameters.
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