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Formal verification framework for programs targeting REDFIN instruction-set architecture

What is REDFIN?

REDFIN is an instruction-set architecture and a processing core designed to be deployed into subsystems of spacecrafts. REDFIN targets space-qualified Field Programmable Gate Arrays (FPGAs), which have limited resources, and thus has the following distinguishing features:

  • simple instruction set with a small hardware footprint,
  • reduced complexity to support formal verification of programs,
  • deterministic real-time behaviour.

Program Verification

This software implements an executable model of REDFIN ISA and a verification framework for REDFIN programs. The following diagram depicts the modules of the application and their purpose:

Building

To build the codebase and run the examples, the following software is required:

  • Glasgow Haskell Compiler (GHC), version 8.0.1 or older
  • cabal-install --- the Haskell build tool
  • Z3 SMT solver

Run cabal build to build the code and cabal run benchmark to execute the set of examples. Run cabal repl to run GHCi, the Haskell interpreter, and try the examples interactively.