Multicore abnormality monitoring device

Details Multicore abnormality monitoring device Multicore abnormality monitoring device

2011-01-25

2011-01-25

Chu, Gabriel L (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C700S079000

Reexamination Certificate

active

07877637

ABSTRACT:
A monitoring side core has an input protection part including an access checking part and an address information storage part. Address information of a count RAM area and an access prohibiting mode to the address are stored in the address information storage part in advance by CPU. The access checking part determines whether an address to be accessed through a first communication path by a monitored side core and an access mode are coincident with the stored address and the stored access prohibiting mode. When the coincidence is determined, the access of the monitored side core to the count RAM area of the monitoring side core is prohibited.

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Extended European Search Report dated Mar. 22, 2010, issued in corresponding European Application No. 08011025.7-1225.

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