Arrangement for error recovery in a self-guarding data...

Details Arrangement for error recovery in a self-guarding data... Arrangement for error recovery in a self-guarding data...

G - Physics

06

F

354/226

G06F 11/00 (2006.01) G06F 11/07 (2006.01)

Patent

CA 1316608

A B S T R A C T Arrangement for Error Recovery in a Self-Guarding Data Processing System In self-guarding data processing systems most of the error handling activities have to be implemented without any program support from a dedicated subsystem which is secured against the error problems which it has to handle. The self-guarding data processing system must be reset and restarted to handle the error procedures by itself. This means that the error status manifested in many check latches has to survive the reset and restart activities and that it has to be accessible by instructions within the processor in error. Check indicator latches are provided which are set by the error signals and which are read by the error handling program routines for further evaluation. They can only be reset by the error handling program routines.

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