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:
Jan. 21, 2020

Filed:

Jul. 29, 2014
Applicants:

Dirk Wendel, Grasbrunn, DE;

Oliver Bibel, Grasbrunn, DE;

Joachim Fader, Munich, DE;

Wilhard Christophorus Von Wendorff, Munich, DE;

Inventors:

Dirk Wendel, Grasbrunn, DE;

Oliver Bibel, Grasbrunn, DE;

Joachim Fader, Munich, DE;

Wilhard Christophorus Von Wendorff, Munich, DE;

Assignee:

NXP USA, Inc., Austin, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/0831 (2016.01); G06F 12/14 (2006.01); G06F 12/084 (2016.01); G06F 12/0811 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0831 (2013.01); G06F 12/084 (2013.01); G06F 12/1458 (2013.01); G06F 12/0811 (2013.01); G06F 2212/1024 (2013.01); G06F 2212/1032 (2013.01);
Abstract

A cache-coherent multiprocessor system comprising processing units, a shared memory resource accessible by the processing units, the shared memory resource being divided into at least one shared region, at least one first region, and at least one second region, a first cache, a second cache, a coherency unit, and a monitor unit, wherein the monitor unit is adapted to generate an error signal, when the coherency unit affects the at least one first region due to a memory access from the second processing unit and/or when the coherency unit affects the at least one second region due to a memory access from the first processing unit, and a method for detecting failures in a such a cache-coherent multiprocessor system.


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