xref: /gem5/src/systemc/tests/systemc/kernel/dynamic_processes/sc_spawn_options/test01/test01.cpp

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

  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
  more contributor license agreements.  See the NOTICE file distributed
  with this work for additional information regarding copyright ownership.
  Accellera licenses this file to you under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with the
  License.  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  implied.  See the License for the specific language governing
  permissions and limitations under the License.

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

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

  test01.cpp -- Demo "new" dynamic method support.


  See the README file for a description of these capabilities. This demo
  excercises all of the major capabilities.

  Original Author: Stuart Swan, Cadence Design Systems, Inc., 2002-10-22

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

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

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

      Name, Affiliation, Date: Andy Goodrich, Forte Design Systems, 30 July 03
  Description of Modification: Converted thread demo to method demo.

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


#define SC_INCLUDE_DYNAMIC_PROCESSES
#include <systemc.h>


int test_function(double d)
{
  cout << endl << "Test_function sees " << d << endl;
  return int(d);
}

void void_function(double d)
{
  cout << endl << "void_function sees " << d << endl;
}

int ref_function(const double& d)
{
  cout << endl << "ref_function sees " << d << endl;
  return int(d);
}


class top : public sc_module
{
public:
  SC_HAS_PROCESS(top);

  top(sc_module_name name) : sc_module(name)
  {
     SC_THREAD(main);
  }

  void main()
  {
    sc_event e1, e2, e3, e4;
	sc_spawn_options options1, options2, options3, options4;
    int r;

    cout << endl;

    e1.notify(100, SC_NS);

    // Spawn several methods that co-operatively execute in round robin order

	options1.spawn_method();
	options1.dont_initialize();
	options1.set_sensitivity(&e1);
    sc_spawn(&r,
        sc_bind(&top::round_robin, this, "1", sc_ref(e1), sc_ref(e2), 3),
		"1", &options1
	  );

	options2.spawn_method();
	options2.dont_initialize();
	options2.set_sensitivity(&e2);
    sc_spawn(&r,
        sc_bind(&top::round_robin, this, "2", sc_ref(e2), sc_ref(e3), 3),
		"2", &options2
	);

	options3.spawn_method();
	options3.dont_initialize();
	options3.set_sensitivity(&e3);
    sc_spawn(&r,
        sc_bind(&top::round_robin, this, "3", sc_ref(e3), sc_ref(e4), 3),
		"3", &options3
	);

	options4.spawn_method();
	options4.dont_initialize();
	options4.set_sensitivity(&e4);
    sc_spawn(&r,
        sc_bind(&top::round_robin, this, "4", sc_ref(e4), sc_ref(e1), 3),
		"4", &options4
	);
	wait(295, SC_NS);
    cout << endl << "Done." << endl;
	sc_stop();
  }

  int round_robin(const char *str, sc_event& receive, sc_event& send, int cnt)
  {
      cout << "Round robin method " << str <<
			" at time " << sc_time_stamp() << endl;
      next_trigger(receive);
      send.notify(10, SC_NS);
      return 0;
  }
};

int sc_main (int argc , char *argv[])
{
  top top1("Top1");
  sc_start();

  return 0;
}