System and method monitoring instruction progress within a proce

Details System and method monitoring instruction progress within a proce System and method monitoring instruction progress within a proce

1998-04-15

2000-05-23

Beausoliel, Jr., Robert W.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

714 39, 712227, G06F 1100

Patent

active

060676442

ABSTRACT:
A processor operable for processing an instruction through a plurality of internal stages will produce a result of the processing of the process at each stage or a reason code why the stage was unable to process the instruction. The result or the reason code will then be passed to a subsequent stage, which will attempt to process the instruction. The second stage will forward the reason code when it cannot produce its own result and it is idle. The second stage will create its own reason code when it is not idle but cannot produce a result, and will forward this reason code.

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