Reuse the same function in 2 Verilog modules

Question

I have a function f(), defined in a Verilog module, M1. I would like to reuse this same function in a different module, M2.

Is there anyway of doing this without redefining the function in M2?

  --- M1.v ---
  module M1();
     function f;
        //do stuff
     endfunction
  endmodule

  --- M2.v -----
  module M2();
  // Use f() here
  endmodule

toolic · Accepted Answer · 2013-04-21 17:57:43Z

3

You can place the function into a separate file and use the `include compiler directive to include the function inside both modules:

  --- M1.v ---
  module M1();
     `include "functions.v"
  endmodule

  --- M2.v -----
  module M2();
     `include "functions.v"
     // Use f() here
  endmodule

answered Apr 21, 2013 at 17:57

toolic

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