A Domain Coverage Metric for the Validation of Behavioral VHDL Descriptions

  • Authors:
  • Qiushuang Zhang;Ian G. Harris

  • Affiliations:
  • -;-

  • Venue:
  • ITC '00 Proceedings of the 2000 IEEE International Test Conference
  • Year:
  • 2000

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Abstract

During functional validation, corner cases and boundaryconditions are known to be difficult to verify. Wepropose a functional fault coverage metric for behavioralVHDL descriptions which evaluates the coverageof faults which cause the behavior to execute an incorrectfunctional domain. Although domain faults areknown to be a source of design errors, they are not targetedexplicitly by previous work in functional validation.We propose an efficient method to compute domaincoverage in VHDL descriptions and we generatedomain coverage results for several benchmark VHDLcircuits for comparison to other approaches.