Device for Improving the Fault Tolerance of a Processor
AssigneeThales
InventorsGuy ESTAVES, Fabian TOURTEAU
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Abstract
A device for improving the fault tolerance of a processor installed on a motherboard, the motherboard comprising memory units and a data input/output interface, the processor being able to execute at least one application, includes: a software layer, called a hypervisor, centralizing exchanges between the said processor and the said application and implementing fault tolerance management mechanisms, and a programmable electronic component forming an interface between the processor on the one hand.
Claims9
A device for improving the fault tolerance of a processor installed on a motherboard, said motherboard comprising memory units and a data input/output interface, said processor being able to execute at least one application (201), said device comprising:
- a software layer, being a hypervisor, centralizing exchanges between the said processor and said application and implementing fault tolerance management mechanisms, and
- a programmable electronic component forming an interface between the said processor on the one hand, and the memory units and the input/output interface on the other hand;
- wherein one of the fault tolerance mechanisms implemented by the hypervisor is a function to return the processor to a known state, said function being called upon periodically according to a configurable period, the return of the processor to a known state being triggered by a reset signal transmitted by the programmable electronic component.
Dependencies are inferred from the claim text.