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Rigorous system level modeling and analysis of mixed HW/SW systems

A grand challenge in complex embedded systems design is developing methods and tools for modeling and analyzing the behavior of an application software running on multicore or distributed platforms. We propose a rigorous method and a tool chain that allows to obtain a faithful model representing the behavior of a mixed hardware/software system from a model of its application software and a model of its underlying hardware architecture. The system model can be simulated and analyzed for validation of both functional and extra-functional properties. The tool chain uses DOL (Distributed Operation Layer [1]) as the frontend for specifying the application software and hardware architecture, and BIP (Behavior Interaction Priority [2]) as the modeling and analysis framework. It is illustrated through the construction of system models of MJPEG and MPEG2 decoder applications running on MPARM, a multicore architecture.