verilator/test_regress/t/t_timing_pong.v

36 lines
706 B
Systemverilog

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2022 by Antmicro Ltd.
// SPDX-License-Identifier: CC0-1.0
module t;
event ping;
event pong;
int cnt = 0;
initial forever @ping begin
`ifdef TEST_VERBOSE
$write("ping\n");
`endif
cnt++;
->pong;
end
initial forever @pong begin
`ifdef TEST_VERBOSE
$write("pong\n");
`endif
if (cnt < 10) ->ping;
end
initial #1 ->ping;
initial #2
if (cnt == 10) begin
$write("*-* All Finished *-*\n");
$finish;
end else $stop;
initial #3 $stop; // timeout
endmodule