src/systemc/tests/systemc/kernel/process_control/test08/test08.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.

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

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

  test08.cpp -- Test of suspend and asynchronous reset interaction

  Original Author: Andy Goodrich, 14 Februrary 2011

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

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

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

      Name, Affiliation, Date:
  Description of Modification:

 *****************************************************************************/
// $Log: test08.cpp,v $
// Revision 1.4  2011/04/02 00:08:36  acg
//  Andy Goodrich: turn off corner case error checking.
//
// Revision 1.3  2011/03/07 19:32:16  acg
//  Andy Goodrich: addition to set sc_core::sc_allow_process_control_corners
//  to true so that this test avoids corner case error messages.
//
// Revision 1.2  2011/02/20 13:44:06  acg
//  Andy Goodrich: updates for IEEE 1666 2011.
//
// Revision 1.1  2011/02/14 16:59:29  acg
//  Andy Goodrich: first check in.
//

#include "systemc.h"

sc_event event1;
sc_process_handle t;
SC_MODULE(DUT)
{
    SC_CTOR(DUT)
    {
        SC_THREAD(thread);
	t = sc_get_current_process_handle();
    }
    void thread()
    {
        cout << sc_time_stamp() << " target: initializing" << endl;
        for (;;)
        {
            wait(event1);
	    cout << sc_time_stamp() << " target: awoke" << endl;
        }
    }
};

SC_MODULE(TB)
{
    SC_CTOR(TB)
    {
        SC_THREAD(tb_thread);
    }
    void tb_thread()
    {
	wait( 10, SC_NS );
	cout << sc_time_stamp() << " tb: firing event " << endl;
	event1.notify();
	wait( 10, SC_NS );

	cout << sc_time_stamp() << " tb: suspending target " << endl;
        t.suspend();
	wait( 10, SC_NS );

	cout << sc_time_stamp() << " tb: firing event while target suspended" 
	     << endl;
	event1.notify();
	wait( 10, SC_NS );

	cout << sc_time_stamp() << " tb: resetting target " << endl;
	t.reset();
	wait( 10, SC_NS );

	cout << sc_time_stamp() << " tb: resuming target" << endl;
	t.resume();
	wait( 10, SC_NS );

	cout << sc_time_stamp() << " tb: 10ns after resume" << endl;
	wait( 10, SC_NS );

	cout << sc_time_stamp() << " tb: firing event again" << endl;
	event1.notify();
	wait( 10, SC_NS );

	cout << sc_time_stamp() << " tb: stopping" << endl;
	sc_stop();
    }
};

int sc_main(int argc, char* argv[])
{
    sc_core::sc_allow_process_control_corners = true;
    DUT             dut("dut");
    TB              tb("tb");

    sc_core::sc_allow_process_control_corners = true;
    sc_start();

    cout << "Program completed" << endl;
    return 0;
}