Paper Details

%T A Programming Language for Hardware/Software Co\-Design
%A D. R. Watt, David May
%E Alan G. Chalmers, Majid Mirmehdi, Henk Muller
%B Communicating Process Architectures 2001
%X We have developed a programming language that allows
   programs to be expressed as single specifications in which
   any number of processes may be tagged for hardware
   compilation and the rest are compiled into software. We
   introduce a number of novel transformations that may be
   arbitrarily applied to an occam process in order to
   decompose it into two semantically equivalent concurrent
   processes. Our compiler targets hardware by compiling one of
   these processes into a field programmable gate array and the
   other into x86 object code. Furthermore, the compiler
   integrates a specialised communications protocol between the
   two programs that consists of a full\-duplex channel
   implementation, multiplexor and buffers that are dependent
   on the program structure and that guarantee all external
   communications are free from deadlock. We demonstrate the
   elegance of our language and the power of our compiler on a
   small benchmark program.

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