xref: /gem5/src/systemc/tests/systemc/kernel/sc_simcontext/test02/test02.cpp

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  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
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  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  implied.  See the License for the specific language governing
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/*****************************************************************************

  test02.cpp --

  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15

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

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

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

      Name, Affiliation, Date:
  Description of Modification:

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

// test of process initialization -- the dont_initialize() method

#include "systemc.h"

SC_MODULE( mod_a )
{
    sc_in_clk clk;

    void write( const char* msg )
    {
        cout << sc_time_stamp() << " " << msg << endl;
    }

    void method_a()
    {
        write( "method_a" );
    }

    void thread_a()
    {
        while( true ) {
            write( "thread_a" );
            wait();
        }
    }

    void cthread_a()
    {
        while( true ) {
            write( "cthread_a" );
            wait();
        }
    }

    SC_CTOR( mod_a )
    {
        SC_METHOD( method_a );
        sensitive << clk.neg();
        SC_THREAD( thread_a );
        sensitive << clk.neg();
        SC_CTHREAD( cthread_a, clk.neg() );
    }
};

SC_MODULE( mod_b )
{
    sc_in_clk clk;

    void write( const char* msg )
    {
        cout << sc_time_stamp() << " " << msg << endl;
    }

    void method_b()
    {
        write( "method_b" );
    }

    void thread_b()
    {
        while( true ) {
            write( "thread_b" );
            wait();
        }
    }

    void cthread_b()
    {
        while( true ) {
            write( "cthread_b" );
            wait();
        }
    }

    SC_CTOR( mod_b )
    {
        SC_METHOD( method_b );
        sensitive << clk.neg();
        dont_initialize();
        SC_THREAD( thread_b );
        sensitive << clk.neg();
        dont_initialize();
        SC_CTHREAD( cthread_b, clk.neg() );
        dont_initialize();
    }
};

int
sc_main( int, char*[] )
{
    sc_clock clk;

    mod_a a( "a" );
    mod_b b( "b" );

    a.clk( clk );
    b.clk( clk );

    sc_start( 3, SC_NS );

    return 0;
}