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Reconfigurable Microkernel-based RTOS: Mechanisms and Methods for Run-Time Reconfiguration

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2 Author(s)
Marcelo Gotz ; Heinz Nixdorf Institute, University of Paderborn, Fuerstenallee 11, 33102 Paderborn, Germany., ; Florian Dittmann

The requirements of high computational performance and flexibility of the contemporary embedded systems are continuously increasing. Moreover, a single architecture must be able to support different applications with dynamical requirements (changing environments). Reconfigurable computing based on hybrid architectures, comprising general purpose processor (CPU) and field programmable gate array (FPGA), is very attractive because it can provide high computational performance as well as flexibility to support the requirements of today's embedded systems. An operating system (OS), which is desired to provide support for such systems, has to use the available resources in an optimal way (competing with the applications), since embedded system architectures are usually lacking in resources. In this paper, we present our approach towards a reconfigurable RTOS that is able to distribute itself over a hybrid architecture (comprising FPGA and CPU). We describe the main concepts and methods used to achieve the desired RTOS. Moreover, we present some preliminary evaluation results which show the realizability of our approach

Published in:

2006 IEEE International Conference on Reconfigurable Computing and FPGA's (ReConFig 2006)

Date of Conference:

Sept. 2006