Infrastructure for Design and Management of Relocatable Tasks in a Heterogeneous Reconfigurable System-on-Chip

  • Authors:
  • J-Y. Mignolet;V. Nollet;P. Coene;D. Verkest;S. Vernalde;R. Lauwereins

  • Affiliations:
  • IMEC vzw;IMEC vzw;IMEC vzw;IMEC vzw, Katholieke Universiteit Leuven and Vrije Universiteit Brussel;IMEC vzw;IMEC vzw and Katholieke Universiteit Leuven

  • Venue:
  • DATE '03 Proceedings of the conference on Design, Automation and Test in Europe - Volume 1
  • Year:
  • 2003

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Abstract

The ability to (re)schedule a task either in hardware or software will be an important asset in a reconfigurable systems-on-chip. To support this feature we have developed an infrastructure that, combined with a suitable design environment permits the implementation and management of hardware/software relocatable tasks. This paper presents the general scope of our research, and details the communication scheme, the design environment and the hardware/software context switching issues. The infrastructure proved its feasibility by allowing us to design a relocatable video decoder. When implemented on an embedded platform, the decoder performs at 23 frames/s (320x240 pixels, 16 bits per pixel) in reconfigurable hardware and 6 frames/s in software.