APPARATUS AND METHOD FOR ELIMINATING ERRORS IN A SYSTEM HAVING AT LEAST TWO EXECUTION UNITS WITH REGISTERS

A device for correcting errors in a system having at least two execution units having registers is presented, the registers being designed for recording data. The device has comparison device(s) that are set up such that through a comparison of data that are provided for storage in the registers, a...

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Bibliographic Details
Main Authors HARTER, WERNER, BOEHL, EBERHARD, KOTTKE, THOMAS, TUMMELTSHAMMER, PETER, LINDENKREUZ, THOMAS
Format Patent
LanguageEnglish
French
German
Published 06.08.2008
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A device for correcting errors in a system having at least two execution units having registers is presented, the registers being designed for recording data. The device has comparison device(s) that are set up such that through a comparison of data that are provided for storage in the registers, a deviation and thus an error may be ascertained. Furthermore, at least one shadow register that is set up such that data concerning the data of the registers may be stored therein, and device(s) are provided for restoring error-free data in at least one register on the basis of the data in the at least one shadow register when an error is detected. This device may be used to improve the safety of a multicore processor.
Bibliography:Application Number: EP20060807389