xref: /gem5/src/systemc/tests/systemc/tracing/vcd_trace/test16/test16.cpp

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  with this work for additional information regarding copyright ownership.
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  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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/*****************************************************************************

  test15.cpp -- test event/time tracing

  Original Author: Philipp A Hartmann, Intel Corporation, 2017-08-29

 *****************************************************************************/

/*****************************************************************************

  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
  changes you are making here.

      Name, Affiliation, Date:
  Description of Modification:

 *****************************************************************************/

#include <systemc>
using namespace sc_core;

SC_MODULE(module)
{
  SC_CTOR(module)
  {
    SC_THREAD(driver);
    SC_METHOD(consumer);
      sensitive << event;
      dont_initialize();
  }

  void driver()
  {
    wait(1, SC_NS);
    event.notify(); // t == 1ns

    wait(1, SC_NS);
    event.notify(SC_ZERO_TIME); // t == 2ns

    wait(1, SC_NS);
    event.notify(1, SC_NS); // t == 4ns
    time = sc_time_stamp();

    wait(2, SC_NS);
    event.notify(); // t == 5ns

    wait(1, SC_NS);
    event.notify(SC_ZERO_TIME); // t == 6ns

    wait(1, SC_NS);
    event.notify(1, SC_NS); // t == 8ns
    time = sc_time_stamp();

    wait(2, SC_NS);
  }

  void consumer()
  {
    time = sc_time_stamp();
  }

  sc_event event;
  sc_time  time;
};

int sc_main(int argc, char* argv[])
{
  sc_trace_file* tf = sc_create_vcd_trace_file("test16");

  module m("m");

  sc_trace(tf, m.event, "event");
  sc_trace(tf, m.time,  "time");

  sc_start();
  sc_stop();

  sc_close_vcd_trace_file(tf);
  return 0;
}