Error recovery system in a data processor having a control stora

Details Error recovery system in a data processor having a control stora Error recovery system in a data processor having a control stora

1985-08-07

1987-10-20

Smith, Jerry

Excavating

371 16, 364200, G06F 1110, G11C 2900

Patent

active

047019158

ABSTRACT:
An error recovery system in a data processor of the pipeline type, including control storage for storing instruction data, having an error correction and detection code adapted to the detection and correction of errors, for controlling the data processor. A parity check circuit checks instructions read from the control storage and stops at least a part of pipeline processing immediately upon the detection of an error. An error correction circuit corrects the error in the read instruction data and rewrites the instruction data into the control storage while the part of the pipeline processing is stopped.

REFERENCES:
patent: 4371930 (1983-02-01), Kim
patent: 4566103 (1986-01-01), Sato
patent: 4598402 (1986-07-01), Matsumoto
patent: 4604750 (1986-08-01), Manton

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