TAILIEUCHUNG - Model-Based Design for Embedded Systems- P30

Model-Based Design for Embedded Systems- P30: This book contains information obtained from authentic and highly regarded sources. Reasonable efforts have been made to publish reliable data and information, but the author and publisher cannot assume responsibility for the validity of all materials or the consequences of their use. | 256 Model-Based Design for Embedded Systems SW Stack DSP2 FIGURE Global view of the virtual prototype for Diopsis R2DT with Hermes NoC running encoder application. fix the final memory mapping. The encoder running on the Diopsis R2DT architecture at the virtual prototype level is illustrated in Figure . There are three final software stacks running on the architecture one per processor. The hardware platform includes ISS to execute the final software. The ISS allows determining the execution cycles spent on each task. Conclusions In this chapter we discussed the use of high level programming for the abstraction of hardware-software interfaces. A programming model is made of a set of functions implicit and or explicit primitives that can be used by the software to interact with the hardware. In case of heterogeneous MPSoC design the programming model hides both hardware and software refinements. We proposed a Simulink- and SystemC-based programming environment which combines high level programming models with the low level details and involves design at various abstraction levels. The proposed programming environment was applied upon a complex MPSoC architecture to execute efficiently the video encoder application and to explore different communication schemes. Programming Models for MPSoC 257 References 1. H. Meyr Application specific processors ASIP On design and implementation efficiency Proceeding ofSASIMI 06 Nagoya Japan 2006. 2. TI OMAP. http 3. Nomadik. http 4. Nexperia. http 5. . Paolucci A. Jerraya R. Leupers L. Thiele P. Vicini SHAPES A tiled scalable software hardware architecture platform for embedded systems Proceeding ofCODES ISSS 2006 Seoul Korea 2006 pp. 167-172. 6. J. Turley Survey says Software tools more important than chips Embedded Systems Design April 11 2005 Online . Available http www. columns surveys 160700620 _requestid 177492 7. MPICH MPI implementation. .

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