Software and hardware co-processing reconfigurable circuit and self-repairing method thereof

Abstract

The invention discloses a software and hardware co-processing reconfigurable circuit and a self-repairing method thereof.The circuit comprises a logic end and a processor end, the logic end is connected with the processor end through an AXI bus, and an HWICAP controller is connected with the AXI bus and the logic end; the logic end comprises an auxiliary selection module and three reconfigurable modules with the same function, and the reconfigurable modules transmit fault enable signals to a fault interrupt responder of the processor end through an AXI bus; the auxiliary selection module selects a reconfigurable module which needs to be enabled at present, and shields a reconfigurable module which does not work at present at the same time; and the processor end comprises a fault interruption responder, a fault processor and an error correction result judger. Faults can be quickly positioned through the dual-mode comparison functional module in the logic end reconfigurable module. Meanwhile, fault signals are transmitted to the processor end, the processor end interrupts internal circulating self-detection on the faults by responding to the fault signals, and the self-repairing speed is increased.

Description

technical field [0001] The invention belongs to the design field of reconfigurable hardware fault-tolerant methods, in particular to reconfigurable circuits for software and hardware co-processing and a self-repair method thereof. Background technique [0002] Commercial off-the-shelf SRAM (Static Random-Access Memory) FPGA (Field-Programmable Gate Array Field Programmable Gate Array) due to its low cost, short development cycle, good performance and on-rail reconfiguration, etc. More and more applications in aerospace, railway, automatic driving, medical and other fields. Different from the ground environment, high-energy particle radiation in the space environment poses a fatal threat to electronic systems, and SRAM-type FPGAs are more susceptible to the impact of radiation particles due to the particularity of their technology, and single event effects occur. [0003] Affected by single event effects, faults caused by space radiation effects can be divided into transient...

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Problems solved by technology

[0009] Purpose of the invention: In order to alleviate the repair power consumption of the reconfigurable module circuit in the FPGA, reduce the time for self-detection of faults, thereby speeding up the speed of self-repair of faults, and at the same time solve the problem of self-repair of permanent faults, the present invention proposes a software-based Reconfigurable circuit structure and self-healing method for hardware co-processing

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