verilator/test_regress/t/t_sys_time.v

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain.
// SPDX-FileCopyrightText: 2008 Wilson Snyder
// SPDX-License-Identifier: CC0-1.0

module t (
    input clk
);

  integer cyc = 0;

  reg [63:0] time64;


  // Test loop
  always @(posedge clk) begin
    cyc <= cyc + 1;
    if (cyc == 0) begin
    end
    else if (cyc < 10) begin
    end
    else if (cyc < 90) begin
      time64 = $time;
      if ($stime != time64[31:0]) $stop;
    end
    else if (cyc == 99) begin
      $write("*-* All Finished *-*\n");
      $finish;
    end
  end

endmodule