Microprocessor architecture and microprocessor fault detection method
A technology of microprocessor and detection cycle, which is applied in electrical digital data processing, error detection/correction, and redundancy in hardware for error detection of data. It can solve problems such as waste of resources and achieve the effect of improving reliability.
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[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation methods described here are only used to explain the present invention, and are not intended to limit the present invention.
[0026] According to the importance of the task and the harm caused to the system when the task fails, the critical level of the task can be classified. If the task fails, it may not affect the safety of the vehicle and the person. In a mixed-criticality system, tasks of different criticality levels are running at the same time. When a low-criticality task is running, when a failure is detected, it is not feasible to restart the system to solve the problem, which will affect the execution of high-level tasks. Therefore, it is necessary to use the checkpoint rollback technology to recov...
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