Denotational approach to an event-driven system-level language

Authors:
Huibiao Zhu;Jifeng He;Xiaoqing Peng;Naiyong Jin
Affiliations:
Shanghai Key Laboratory of Trustworthy Computing, Software Engineering Institute, East China Normal University, Shanghai, China;Shanghai Key Laboratory of Trustworthy Computing, Software Engineering Institute, East China Normal University, Shanghai, China;Shanghai Key Laboratory of Trustworthy Computing, Software Engineering Institute, East China Normal University, Shanghai, China;Shanghai Key Laboratory of Trustworthy Computing, Software Engineering Institute, East China Normal University, Shanghai, China
Venue:
UTP'08 Proceedings of the 2nd international conference on Unifying theories of programming
Year:
2008

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Abstract

As a system-level modelling language, SystemC possesses several novel features such as delayed notifications, notification cancelling, notification overriding and delta-cycle. It is challenging to formalise SystemC. In this paper, we study the denotational semantics for SystemC using Unifying Theories of Programming (abbreviated as UTP) [6]. Two trace variables are introduced, one is to record the state behaviours and another is to record the event behaviours. The timed model is formalised in a three-dimensional structure. A set of algebraic laws is explored, which can be proved via the achieved denotational semantics.