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UML design for dynamically reconfigurable multiprocessor embedded systems

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5 Author(s)
Vidal, J. ; Lab.-STICC, Eur. Univ. of Brittany, Lorient, France ; de Lamotte, F. ; Gogniat, G. ; Diguet, J.-P.
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In this paper we propose a design methodology to explore partial and dynamic reconfiguration of modern FPGAs. We improve an UML based co-design methodology to allow dynamic properties in embedded systems. Our approach targets MPSoPC (Multiprocessor System on Programmable Chip) which allows area optimization through partial reconfiguration without performance penalty. In our case area reduction is achieved by reconfiguring co-processors connected to embedded processors. Most of the system is automatically generated by means of MDE techniques. Our modeling approach allows designers to target dynamic reconfiguration without being expert of modern FPGAs as many implementation details are hidden during the modeling step. Such a methodology allows design time speedup and a significant reduction of the gap between hardware and software modeling. In order to validate our approach, an object tracking application has been implemented on a reconfigurable system composed of 4 embedded processors and 3 co-processors. Dynamic reconfiguration has been performed for one co-processor which dynamically implements 3 different computations.

Published in:

Design, Automation & Test in Europe Conference & Exhibition (DATE), 2010

Date of Conference:

8-12 March 2010