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DOI:
Journal of Software:2002.13(10):2021-2030

Verilog操作语义研究
李勇坚,何积丰,孙永强
(上海交通大学,计算机科学与工程系,上海,200030;澳门联合国大学,国际软件技术研究所,澳门)
Study on the Operational Semantics of Verilog
LI Yong-jian,HE Ji-feng,SUN Yong-qiang
()
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Received:February 13, 2001    Revised:April 24, 2001
> 中文摘要: 提出了一个结构化操作语义模型,用于描述Verilog核心子集的语言特征,此子集包含了事件驱动、基于共享变量的并发特性、时间延迟等Verilog的主要语言成分.在此操作语义模型中,所有的Verilog程序将被统一地认为是开放式系统,所以在此操作语义模型的基础上能够进一步提出Verilog开放进程的观察模型,并提出基于互模拟的观察等价概念来判定进程之间的等价关系.最后证明了所定义的观察等价关系对所有的Verilog构造子而言是一个同余关系,从而为发展相应的进程代数理论提供了一个可靠性基础.
Abstract:In this paper, a structural operational semantic model is presented for a core subset of Verilog, and the subset has the main features of Verilog such as event-driven computation, shared-variable concurrency, time-delay, and so on. And all the Verilog processes are seen as open systems in this operational semantic model, so a model of observation is provided for open Verilog processes, and use observation equivalence based on bisimulation to identify the equivalence between programs. The observation equivalence can be proved to be a congruence for all Verilog operators, so it provides a sound base for deriving the algebraic laws for Verilog processes.
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基金项目:澳门联合国大学国际软件技术研究所"实时混成系统的研究技术"(Design Tech niques for Real-Time Hybrid Systems)研究计划的资助项目. 澳门联合国大学国际软件技术研究所"实时混成系统的研究技术"(Design Tech niques for Real-Time Hybrid Systems)研究计划的资助项目.
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李勇坚,何积丰,孙永强.Verilog操作语义研究.软件学报,2002,13(10):2021-2030

LI Yong-jian,HE Ji-feng,SUN Yong-qiang.Study on the Operational Semantics of Verilog.Journal of Software,2002,13(10):2021-2030