一种基于FPGA的微处理器软错误敏感性分析方法

梁华国; 孙红云; 孙骏; 黄正峰; 徐秀敏; 易茂祥; 欧阳一鸣; 鲁迎春; 闫爱斌

doi:10.11999/JEIT160225

一种基于FPGA的微处理器软错误敏感性分析方法

doi: 10.11999/JEIT160225

1.
(合肥工业大学电子科学与应用物理学院合肥 230009) ②(合肥工业大学计算机与信息学院合肥 230009)

基金项目:

国家自然科学基金(61274036, 61371025, 61474036, 61574052)，安徽省自然科学基金(1608085MF149)

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- 文章访问数: 1679
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- 被引次数: 0
出版历程
- 收稿日期: 2016-03-11
- 修回日期: 2016-07-22
- 刊出日期: 2017-01-19

FPGA-based Soft Error Sensitivity Analysis Method for Microprocessor

1.
(School of Electronic Science &
2.
(School of Electronic Science &

Funds:

The National Natural Science Foundation of China (61274036, 61371025, 61474036, 61574052), Anhui Provincial Natural Science Foundation (1608085MF149)

摘要

摘要: 为了自动快速地分析微处理器对软错误的敏感性，该文提出一种基于FPGA故障注入的软错误敏感性分析方法。在FPGA芯片上同时运行有故障和无故障的两个微处理器，并充分利用FPGA的并行性，把故障注入控制、故障分类、故障列表等模块均在硬件上实现，自动快速地完成全部存储位的故障注入。以PIC16F54微处理器为实验对象，基于不同负载分别注入约30万个软错误用以分析微处理器软错误敏感性，并对敏感性较高的单元加固后再次进行分析，验证该方法的有效性。实验数据表明，使用该方法进行故障注入及敏感性分析所需的时间比软件仿真方法提高了4个数量级。
- FPGA /
- 故障注入 /
- 单粒子翻转 /
- 软错误 /
- 敏感性分析
Abstract: In order to quickly and automatically analyze the soft error sensitivity for microprocessors, a soft error sensitivity analysis method using FPGA-based fault injection is proposed. The fault and fault-free microprocessors on a FPGA are board run simultaneously. Moreover, a fault injection controller, a fault classification module and a fault list module are also implemented on the hardware. The method inherits the parallelism of the FPGA and achieves a fast and automatical fault injection for all storage bits. Further, using a PIC16F54 microprocessor as experimental subject, approximate 300, 000 soft errors are injected into the microprocessors to analyze its soft error sensitivity. In order to demonstrate the sensitivity evaluation efficiency of the method, the quite sensitive storage cells are hardened and the sensitivity is analyzed again. Compared to the simulation approach, experimental results show that the proposed technique achieves four orders of magnitude speedup.
- FPGA /
- Fault injection /
- Single event upset /
- Soft error /
- Sensitivity analysis

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参考文献(20)

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