xref: /gem5/src/systemc/tests/systemc/kernel/dynamic_processes/test09/test09.cpp

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

  test09.cpp -- Test for hierarchical reset, try/catch and individual kill
                processes

  Original Author: Andy Goodrich

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

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

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

      Name, Affiliation, Date:
  Description of Modification:

 *****************************************************************************/
// $Log: test09.cpp,v $
// Revision 1.4  2011/02/01 17:17:40  acg
//  Andy Goodrich: update of copyright notice, added visible CVS logging.
//
// Revision 1.3  2011/01/14 14:23:46  acg
//  Andy Goodrich: Fixes for 1666_2011
//
// Revision 1.2  2009/10/14 19:13:27  acg
//  Andy Goodrich: changes for SystemC 2.3
//
// Revision 1.1.1.1  2006/12/15 20:26:03  acg
// systemc_tests-2.3
//
// Revision 1.1  2006/04/17 20:10:04  acg
//  Andy Goodrich: first inclusion of test for expanded process support.
//


#define SC_INCLUDE_DYNAMIC_PROCESSES
#include "systemc.h"

SC_MODULE(DUT)
{
    SC_CTOR(DUT)
    {
        SC_CTHREAD(stimulus,m_clk.pos());
        reset_signal_is(m_reset, true);
        SC_THREAD(grand_parent);
        sensitive << m_clk.pos();
    }

    void child()
    {
        sc_process_handle my_handle = sc_get_current_process_handle();
        cout << sc_time_stamp() << " " << my_handle.name()
             << " initialization" << endl;
        try {
            for (;;)
            {
                wait();
            }
        }
        catch(sc_core::sc_unwind_exception& ex)
        {
	    if ( !ex.is_reset() )
	    {
		cout << sc_time_stamp() << " " << my_handle.name()
		     << " got kill" << endl;
	    }
	    throw ex;
        }
    }

    void grand_parent()
    {
        static bool       initialize = true;
        cout << sc_time_stamp() << " " << "dut.grand_parent initialization"
             << endl;
        cout << endl;
        if ( initialize )
        {
            m_grand_parent_handle = sc_get_current_process_handle();
            sc_spawn( sc_bind(&DUT::parent1, this), "parent1" );
            sc_spawn( sc_bind(&DUT::parent2, this), "parent2" );
            initialize = false;
        }

        for (;;)
        {
            wait();
        }
    }

    void parent1()
    {
        static bool initialize = true;
        sc_process_handle m_child1;
        sc_process_handle m_child2;
        sc_process_handle m_child3;
        sc_process_handle my_handle = sc_get_current_process_handle();
        cout << sc_time_stamp() << " " << my_handle.name()
             << " initialization" << endl;
        if ( initialize )
        {
            m_child1 = sc_spawn( sc_bind(&DUT::child, this), "child1" );
            m_child2 = sc_spawn( sc_bind(&DUT::child, this), "child2" );
            m_child3 = sc_spawn( sc_bind(&DUT::child, this), "child3" );
            initialize = false;
        }

        for (;;)
        {
            wait();
        }
    }

    void parent2()
    {
        sc_process_handle m_child1;
        sc_process_handle m_child2;
        sc_process_handle m_child3;
        sc_process_handle my_handle;
        for (;;)
        {
            try
            {
                my_handle = sc_get_current_process_handle();
                cout << sc_time_stamp() << " " << my_handle.name()
                     << " initialization" << endl;
                m_child1 = sc_spawn( sc_bind(&DUT::child, this), "child1" );
                m_child2 = sc_spawn( sc_bind(&DUT::child, this), "child2" );
                m_child3 = sc_spawn( sc_bind(&DUT::child, this), "child3" );

                for (;;)
                {
                    wait();
                }
            }
            catch ( sc_core::sc_unwind_exception& ex )
            {
		if ( ex.is_reset() )
		{
		    cout << sc_time_stamp() << " " << my_handle.name()
			 << " removing children" << endl;
		    m_child1.kill();
		    m_child2.kill();
		    m_child3.kill();
		}
		throw ex;
            }
        }
    }

    void stimulus()
    {
        for (;;)
        {
            wait();
            wait();
            wait();
            wait();
	    cout << sc_time_stamp() << " stimulus issuing reset" << endl;
            m_grand_parent_handle.reset(SC_INCLUDE_DESCENDANTS);
        }
    }

    sc_in<bool>       m_clk;
    sc_process_handle m_grand_parent_handle;
    sc_in<bool>       m_reset;
};

int sc_main(int argc, char* argv[])
{
    sc_clock        clock;
    DUT             dut("dut");
    sc_signal<bool> reset;

    dut.m_clk(clock);
    dut.m_reset(reset);

    reset = true;
    sc_start(1, SC_NS);
    reset = false;
    sc_start(20, SC_NS);

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