Design-For-Debug in Hardware/Software Co-Design

Authors:
H. P. E. Vranken;M. P. J. Stevens;M. T. M. Segers
Affiliations:
Eindhoven University of Technology, Dep. of Electrical Engineering;Eindhoven University of Technology, Dep. of Electrical Engineering;Eindhoven University of Technology, Dep. of Electrical Engineering and Philips Semiconductors, Eindhoven, Netherlands
Venue:
CODES '97 Proceedings of the 5th International Workshop on Hardware/Software Co-Design
Year:
1997

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Abstract

The increasing complexity of hardware/software systems is handled effectively by hardware/software codesign methods. However, the debugging of hardware/software systems is still a very troublesome process. This is mainly due to the limited accessibility to the internals of embedded hardware/software systems. Debugging is also hindered by the nature of the design errors encountered during hardware/software debugging.We present a structured design-for-debug strategy to address the problems of hardware/software debugging. Our design-for-debug strategy is an integral part of hardware/software codesign. Furthermore, we re-use the hardware design-for-test facilities to reduce the overhead costs of design-for-debug. Two examples are provided to illustrate our design-for-debug strategy.