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.

Date of Patent:
Jun. 14, 2005

Filed:

May. 22, 2002
Applicants:

David James Seal, Cambridge, GB;

Christopher Bentley Dornan, Cambridge, GB;

Inventors:

David James Seal, Cambridge, GB;

Christopher Bentley Dornan, Cambridge, GB;

Assignee:

Arm Limited, Cambridge, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F009/00 ;
U.S. Cl.
CPC ...
Abstract

A data processing system is provided with a first mechanism for executing instructions of a first instruction set and a second mechanism for executing instructions of a second instruction set. The second mechanism requires configuration datawhich may or may not be valid. Programs that use the second execution mechanism are responsible for the writing of its own configuration data with this being indicated as being necessary by a configuration valid indicator CV set to indicate that the configuration is invalid by the operating systemupon detecting an appropriate process switch.


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