ISS-centric modular HW/SW co-simulation

  • Authors:
  • Franco Fummi;Giovanni Perbellini;Mirko Loghi;Massimo Poncino

  • Affiliations:
  • Universitá di Verona, Verona, Italy;Universitá di Verona, Verona, Italy;Politecnico di Torino, Torino, Italy;Politecnico di Torino, Torino, Italy

  • Venue:
  • GLSVLSI '06 Proceedings of the 16th ACM Great Lakes symposium on VLSI
  • Year:
  • 2006

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Abstract

Modular design is an important requirement in modern embedded system design flows because of the widespread acceptance of new paradigms such as IP core reuse and platform-based design. Co-simulation frameworks must thus support modular design, since programmable devices, ad-hoc HW components, and the interconnect infrastructure must be easily interchangeable in order to allow design exploration while keeping the SW portion unchanged or only marginally changed. The proposed co-simulation framework implements such a modular approach to co-simulation by means of a novel paradigm in which HW models can be modified on the fly by keeping the SW parts unchanged. This is achieved through an ISS-centric co-simulation strategy in which modularity is provided in terms of (i) the replacement of HW components thanks to the use of a common interface based on the device address space, or (ii) the use of different ISS's, thanks to a re-configurable simulator. We demonstrate our approach onto an industrial-strength embedded application, showing that the proposed co-simulation strategy provides both high speed and accuracy.