A fault injection environment for microprocessor-based boards

  • Authors:
  • Alfredo Benso;Paolo Prinetto;Maurizio Rebaudengo;Matteo Sonza Reorda

  • Affiliations:
  • -;-;-;-

  • Venue:
  • ITC '98 Proceedings of the 1998 IEEE International Test Conference
  • Year:
  • 1998

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Abstract

Evaluating the faulty behavior of low-costmicroprocessor-based boards is an increasinglyimportant issue, due to their usage in many safetycritical systems. To address this issue, the paperdescribes a Software-implemented Fault Injectionsystem based on the trace exception mode available inmost microprocessors. The architecture of the completeFault Injection environment is proposed, integratingmodules for generating a fault list, for performing theirinjection and for gathering the results, respectively.Data gathered from some sample benchmarkapplications are presented. The main advantages of theapproach are low cost, good portability, and highefficiency.