MCXplore: An automated framework for validating memory controller designs

Mohamed Hassan, Hiren D. Patel
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引用次数: 11

Abstract

This work presents an automated framework for the validation of dynamic random access memory controllers (DRAM MCs) called MCXplore. In developing this framework, we construct formal models for memory requests interrelation and DRAM command interaction. The framework enables validation engineers to define their test plans precisely as temporal logic specifications. We use the NuSMV model-checker to generate counter-examples that serve as test templates; hence, MCXplore uses these test templates to generate memory tests to validate the correctness properties of the memory controller. We show the effectiveness of MCXplore by validating various state-of-the-art MC features as well as hard-to-detect timing violations that often occur. We also provide a set of predefined test plans, and regression tests that validate essential properties of modern DRAM MCs. We release MCXplore as an open-source framework to allow validation engineers and researchers to extend and use.
MCXplore:一个用于验证内存控制器设计的自动框架
这项工作提出了一个自动框架,用于验证动态随机存取存储器控制器(DRAM MCs)称为MCXplore。在开发该框架时,我们构建了存储器请求相互关系和DRAM命令交互的形式化模型。该框架使验证工程师能够将他们的测试计划精确地定义为时间逻辑规范。我们使用NuSMV模型检查器来生成反例,作为测试模板;因此,MCXplore使用这些测试模板来生成内存测试,以验证内存控制器属性的正确性。通过验证各种最先进的MC特征以及经常发生的难以检测的时序违规,我们展示了MCXplore的有效性。我们还提供了一组预定义的测试计划和回归测试,以验证现代DRAM MCs的基本属性。我们将MCXplore作为一个开源框架发布,以允许验证工程师和研究人员扩展和使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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