Java as a specification language for hardware-software systems

  • Authors:
  • Rachid Helaihel;Kunle Olukotun

  • Affiliations:
  • Computer Systems Laboratory, Stanford University, Stanford, CA;Computer Systems Laboratory, Stanford University, Stanford, CA

  • Venue:
  • ICCAD '97 Proceedings of the 1997 IEEE/ACM international conference on Computer-aided design
  • Year:
  • 1997

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Abstract

The specification language is a critical component of the hardware-software co-design process since it is used for functional validation and as a starting point for hardware- software partitioning and co-synthesis. This paper pro poses the Java programming language as a specification language for hardware-software systems. Java has several characteristics that make it suitable for system specification. However, static control and dataflow analysis of Java programs is problematic because Java classes are dynamically linked. This paper provides a general solution to the problem of statically analyzing Java programs using a technique that pre-allocates most class instances and aggressively resolve memory aliasing using global analysis. The output of our analysis is a control dataflow graph for the input specification. Our results for sample designs show that the analysis can extract fine to coarse-grained concurrency for subsequent hardware-software partitioning and co-synthesis steps of the hardware-software co- design process to exploit.