PACE - a microprogram evaluation system

  • Authors:
  • Robert E. Skibbe

  • Affiliations:
  • International Business Machines Corporation, General Products Division, Tucson, Arizona

  • Venue:
  • MICRO 15 Proceedings of the 15th annual workshop on Microprogramming
  • Year:
  • 1982

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Abstract

This paper describes PACE (Product Assurance Code Evaluation) System, a tool for evaluating microprograms. PACE incorporates both static analysis and dynamic analysis capabilities and it provides features that enable systematic and comprehensive evaluations of large-scale microcoded systems. The PACE static analysis capability performs a control flow analysis of the code being evaluated, reports various anomalous program constructs, and generates a program flow graph that is subsequently employed by PACE's dynamic analysis procedures. The PACE dynamic analysis capability uses encoded execution trace data to produce microcode test-coverage reports and formatted code-execution traces. The dynamic analysis capability provides quantitative code execution coverage data that enables an assessment of testing thoroughness and is useful in the identification of effective regression test cases.