Selective disabling of diagnostic functions within a data...

Details Selective disabling of diagnostic functions within a data... Selective disabling of diagnostic functions within a data...

2011-03-22

2011-03-22

Bonzo, Bryce P (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

07913120

ABSTRACT:
A data processing system2has a memory6with a memory address space incorporating a plurality of domains, each domain comprising a set of memory addresses as defined by programmable domain specifying data32. A processor core8executes program instructions fetched from the memory6. Diagnostic control circuitry20is responsive to the domain in which a currently executing program instruction is stored to selectively disable diagnostic circuitry14, 16, 18used to perform diagnostic functions upon the data processing system2. The diagnostic control circuitry20is responsive to diagnostic-capability-defining data36associated with the domains to indicate which diagnostic circuitry14, 16, 18is enabled for which domains.

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