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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Becker, M. Di Guglielmo, G. Fummi, F. Mueller, W. Pravadelli, G. Tao Xie |
| Copyright Year | 2010 |
| Description | Author affiliation: Dipartimento di Informatica, Università di Verona, Italy (Di Guglielmo, G.; Fummi, F.; Pravadelli, G.) || C-LAB, University of Paderborn, Germany (Becker, M.; Mueller, W.; Tao Xie) |
| Abstract | Refinement of untimed TLM models into a timed HW/SW platform is a step by step design process which is a trade-off between timing accuracy of the used models and correct estimation of the final timing performance. The use of an RTOS on the target platform is mandatory in the case real-time properties must be guaranteed. Thus, the question is when the RTOS must be introduced in this step by step refinement process. This paper proposes a four-level RTOS-aware refinement methodology that, starting from an untimed TLMSystemC description of the whole system, progressively introduce HW/SW partitioning, timing, device driver and RTOS functionalities, till to obtain an accurate model of the final platform, where SW tasks run upon an RTOS hosted by QEMU and HW components are modeled by cycle accurate TLM descriptions. Each refinement level allows the designer to estimate more and more accurate timing properties, thus anticipating design decisions without being constrained to leave timing analysis to the final step of the refinement. The effectiveness of the methodology has been evaluated in the design of two complex platforms. |
| Starting Page | 1053 |
| Ending Page | 1058 |
| File Size | 168113 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424470549 |
| ISSN | 15301591 |
| e-ISBN | 9783981080162 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-03-08 |
| Publisher Place | Germany |
| Access Restriction | Subscribed |
| Rights Holder | European Design Automation Association (EDAA) |
| Subject Keyword | Timing Hardware Operating systems Process design Accuracy Standards development Context modeling Real time systems Communication channels Microprogramming |
| Content Type | Text |
| Resource Type | Article |
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