// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2017 by John Stevenson.
// SPDX-License-Identifier: CC0-1.0

typedef logic [63:0] uid_t;
typedef logic [31:0] value_t;

interface the_intf #(parameter M = 5);
   logic             valid;
   uid_t           uid;
   value_t [M-1:0] values;

   modport i(
             output valid,
             output uid,
             output values
             );
   modport t(
             input valid,
             input uid,
             input values
             );
endinterface

module Contemplator #(
                      parameter IMPL = 0,
                      parameter M    = 5,
                      parameter N    = 1 )
   (
    input logic clk,
    the_intf.i out [N-1:0]
    );

   the_intf #(.M(M)) inp[N-1:0] ();

   DeepThought #(
                 .N    ( N   ))
   ultimateAnswerer(
                    .src  ( inp ),
                    .dst  ( out ));
endmodule

module DeepThought #(
                     parameter N = 1 )
   (
    the_intf.t src[N-1:0],
    the_intf.i dst[N-1:0]
    );
endmodule


module t (/*AUTOARG*/
   // Inputs
   clk
   );
   input clk;

   localparam  M = 5;
   localparam  N = 1;

   the_intf #(.M(M)) out0 [N-1:0] ();
   the_intf #(.M(M)) out1 [N-1:0] ();

   Contemplator #(
                  .IMPL ( 0    ),
                  .M    ( M    ),
                  .N    ( N    ))
   contemplatorOfTheZerothKind(
                               .clk  ( clk  ),
                               .out  ( out0 ));

   Contemplator #(
                  .IMPL ( 1    ),
                  .M    ( M    ),
                  .N    ( N    ))
   contemplatorOfTheFirstKind(
                              .clk  ( clk  ),
                              .out  ( out1 ));
   initial begin
      $write("*-* All Finished *-*\n");
      $finish;
   end

endmodule