// DESCRIPTION: Verilator: Verilog Test module // // This file ONLY is placed under the Creative Commons Public Domain. // SPDX-FileCopyrightText: 2014 Wilson Snyder // SPDX-License-Identifier: CC0-1.0 module t ( input clk ); integer cyc = 0; reg [63:0] crc; reg [63:0] sum; logic [2:0][1:0] in; always @* in = crc[5:0]; /*AUTOWIRE*/ // Beginning of automatic wires (for undeclared instantiated-module outputs) logic [1:0] [1:0] out; // From test of Test.v // End of automatics Test test ( /*AUTOINST*/ // Outputs .out (out/*[1:0][1:0]*/), // Inputs .clk (clk), .in (in/*[2:0][1:0]*/)); // Aggregate outputs into a single result vector wire [63:0] result = {60'h0, out[1], out[0]}; // Test loop always @(posedge clk) begin `ifdef TEST_VERBOSE $write("[%0t] cyc==%0d crc=%x result=%x\n", $time, cyc, crc, result); `endif cyc <= cyc + 1; crc <= {crc[62:0], crc[63] ^ crc[2] ^ crc[0]}; sum <= result ^ {sum[62:0], sum[63] ^ sum[2] ^ sum[0]}; if (cyc == 0) begin // Setup crc <= 64'h5aef0c8d_d70a4497; sum <= 64'h0; end else if (cyc < 10) begin sum <= 64'h0; end else if (cyc < 90) begin end else if (cyc == 99) begin $write("[%0t] cyc==%0d crc=%x sum=%x\n", $time, cyc, crc, sum); if (crc !== 64'hc77bb9b3784ea091) $stop; // What checksum will we end up with (above print should match) `define EXPECTED_SUM 64'hdc21e42d85441511 if (sum !== `EXPECTED_SUM) $stop; $write("*-* All Finished *-*\n"); $finish; end end endmodule module Test ( /*AUTOARG*/ // Outputs out, // Inputs clk, in ); //bug717 input clk; input logic [2:0][1:0] in; output logic [1:0][1:0] out; always @(posedge clk) begin out <= in[2-:2]; end endmodule