// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain.
// SPDX-FileCopyrightText: 2016 Adrian Wise
// SPDX-License-Identifier: CC0-1.0

//bug1104

module t (
    input clk
);
  simple_bus sb_intf (clk);
  simple_bus #(.DWIDTH(16)) wide_intf (clk);
  mem mem (sb_intf.slave);
  cpu cpu (sb_intf.master);
  mem memW (wide_intf.slave);
  cpu cpuW (wide_intf.master);
endmodule

interface simple_bus #(
    AWIDTH = 8,
    DWIDTH = 8
) (
    input logic clk
);  // Define the interface

  logic req, gnt;
  logic [AWIDTH-1:0] addr;
  logic [DWIDTH-1:0] data;

  modport slave(input req, addr, clk, output gnt, input data);

  modport master(input gnt, clk, output req, addr, output data);

  initial begin
    if (DWIDTH != 8 && DWIDTH != 16) $stop;
  end
endinterface : simple_bus

module mem (
    interface a
);
  logic avail;
  always @(posedge a.clk) a.gnt <= a.req & avail;
  initial begin
    $write("*-* All Finished *-*\n");
    $finish;
  end
endmodule

module cpu (
    interface b
);
endmodule