Machine stoppage preventing error processing system

Details Machine stoppage preventing error processing system Machine stoppage preventing error processing system

G - Physics

06

F

354/222

G06F 11/00 (2006.01) G06F 11/14 (2006.01)

Patent

CA 1203630

A DATA PROCESSING SYSTEM ABSTRACT OF THE DISCLOSURE A data processing system comprising an instruction control unit for controlling system operation, a storage control unit for storing data used for the system operation, and a machine check interruption portion for carrying out a machine check interruption when an error occurs during the system operation. The instruction control unit has a system control register group for storing system control data. The storage control unit has a copy register group for storing data copied from the system control data. The instruction control unit further comprises a register save state portion for copying the contents stored in the system control register group into the copy register group during the machine check interruption when an error occurs in the copy register group during the system operation, whereby a machine stop due to an error only in the copy register group is prevented.

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