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Using SDL for hardware/software co-design of an ATM network interface card

Auteur(s) : N.-E. Zergainoh, G.F. Marchioro, J.- M. Daveau, A. A. Jerraya

Doc. Source: 1st Workshop of the forum society on SDL and MSC

The Co-design is the process of generating a mixed hardware/software architecture starting from system-level model. This paper discusses the uses of SDL for the co-design of an ATM Network Interface (NIC). In this study, the initial specification is given in SDL. The architecture generation is made using Cosmos, a co-design tool for multiprocessor architecture. Several architectures are produced starting from the same initial SDL specification. The performance evaluation of these solutions was made using hardware/software co-simulation. This paper describes the experiment and the lessons learned the capabilities and the restrictions of SDL and Cosmos for hardware/software co-design of distributed systems. The use of SDL allows for drastic reduction of the model size when compared to hardware/software model given in C/VHDL. SDL simulation may be 30 times faster than C/VHDL simulation.