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Single-bit flipping rapid repair method and device, computer equipment and storage medium

A repair method and a single-bit technology, applied in the direction of calculation, response error generation, instruments, etc., can solve the problems of increasing hardware resource overhead, reducing real-time performance of data processing, etc., and achieve the effect of improving real-time performance

Pending Publication Date: 2021-11-09
CHINA SOUTHERN POWER GRID DIGITAL GRID RES INST CO LTD +1
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  • Claims
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Problems solved by technology

[0004] But at present, this method needs to increase the hardware resource overhead, and each data read must go through the memory controller, which reduces the real-time performance of data processing

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  • Single-bit flipping rapid repair method and device, computer equipment and storage medium
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  • Single-bit flipping rapid repair method and device, computer equipment and storage medium

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Embodiment Construction

[0043] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0044] The single-bit flip fast repair method provided by this application can be applied to ZYNQ chips in power systems, especially CSD-602 series merging unit devices. CSD-602 series merging unit devices include a series of chip models, and these chips are suitable for digital substation. The device is located at the process level of the substation, and can collect analog signals of traditional current and voltage transformers, as well as digital signals of electronic current and voltage transformers, and convert the sampled value (SV) in accordance with IEC61850-9-2 wit...

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Abstract

The invention relates to a single-bit flipping rapid repair method and device, computer equipment and a storage medium. Compared with the prior art in which a memory controller needs to be added for repairing, the method and the device have the advantages that hardware resources do not need to be added, the memory controller does not need to be used when the processor reads data, and the real-time performance of the chip processor for data processing is further improved. The method comprises the following steps: after electrifying, dividing an original program segment in an internal RAM (Random Access Memory) into a plurality of segments of subprograms; copying the multiple segments of subprograms as copy program segments; solving an original program checksum for each copy program segment, and storing the original program checksum and the copy program segment in an external RAM (Random Access Memory); under the triggering of a timer, calling an interrupt response service to solve a real-time checksum for each segment of subprogram, and comparing the real-time checksum with the original program checksum to obtain a program state of the subprogram; and repairing the original program segment according to the program state.

Description

technical field [0001] The present application relates to the technical field of digital processing chips, and in particular to a method, device, computer equipment and storage medium for quick recovery of single bit flips. Background technique [0002] In computer chip technology, due to the impact of chip packaging materials, it may cause a single bit flip in the memory. Single bit flip refers to: a certain bit in the memory jumps randomly, the original stored 1 becomes 0, or the originally stored 1 becomes 0, this situation will seriously affect the execution of the program or the storage of data, such as the original representation A certain bit in the binary bit of the number 4 may be finally displayed as $ due to a single bit flip, and the single bit flip phenomenon is random, and the error is different every time, rewriting or resetting can restore normal, but the operation When there is a large amount of data storage and processing, if it is always necessary to rese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/07G06F11/10
CPCG06F11/0793G06F11/1012
Inventor 于杨习伟姚浩李肖博姚睿董志平王富亮
Owner CHINA SOUTHERN POWER GRID DIGITAL GRID RES INST CO LTD
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