verilator/test_regress/t/t_sys_system.v
2020-03-21 11:24:24 -04:00

35 lines
729 B
Systemverilog

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2011 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0
module t;
integer i;
initial begin
`ifndef VERILATOR
`ifndef VCS
`ifndef NC
$system(); // Legal per spec, but not supported everywhere and nonsensical
`endif
`endif
`endif
$system("exit 0");
$system("echo hello");
`ifndef VCS
i = $system("exit 0");
if (i!==0) $stop;
i = $system("exit 10");
if (i!==10) $stop;
i = $system("exit 20"); // Wide
if (i!==20) $stop;
`endif
$write("*-* All Finished *-*\n");
$finish;
end
endmodule