xref: /gem5/src/systemc/tests/systemc/misc/unit/aproc_halt/disaproc3/disaproc3.cpp

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

  disaproc3.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:

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

#include "systemc.h"

int val1[17] = { 34329, 32492,  1034, 12000,  102, 12981,  1902, 19409,
                 10029,  2149, 12030, 20099,   90, 10009,  9345, 57483,
                 10903 };

int val2[19] = {   239,   923,  1240,   129,  191,   101,  1010,   190,
                 19820,  2349, 24039, 34728, 5745, 78234, 17838, 37482,
                 17498,  1347,  3721 };

SC_MODULE( aproc1 )
{
    SC_HAS_PROCESS( aproc1 );

    const sc_signal<bool>& a;
    const sc_signal<bool>& b;
          sc_signal<bool>& c;

    aproc1( sc_module_name NAME,

            const sc_signal<bool>& A,
            const sc_signal<bool>& B,
                  sc_signal<bool>& C )
        : a(A), b(B), c(C)
    {
        SC_THREAD( entry );
        sensitive << a.posedge_event();
        sensitive << b.negedge_event();
    }
    void entry();
};

void
aproc1::entry()
{
    wait();
    c = a + b;
    cout << "c is (a + b)" << endl;
    wait();
    c = a - b;
    cout << "c is (a - b)" << endl;
    wait();
    cout << name() << " is exiting." << endl;
}


SC_MODULE( aproc2 )
{
    SC_HAS_PROCESS( aproc2 );

    const sc_signal<bool>& a;
    const sc_signal<bool>& b;
          sc_signal<bool>& d;

    aproc2( sc_module_name NAME,

            const sc_signal<bool>& A,
            const sc_signal<bool>& B,
                  sc_signal<bool>& D )
        : a(A), b(B), d(D)
    {
        SC_THREAD( entry );
        sensitive << a.negedge_event();
        sensitive << b.posedge_event();
    }
    void entry();
};

void
aproc2::entry()
{
    wait();
    int loops = 0;
    while (true) {
        d = a * b;
        cout << "d is (a * b)" << endl;
        wait();
        if ((bool) b == 0) {
            d = a / (b + 1);
            cout << "d is (a / (b + 1))" << endl;
        } else {
            d = a / b;
            cout << "d is (a / b)" << endl;
        }
        wait();
        if (loops < 1) {
            // sc_assert( a.sensitive_aprocs_neg.size() == 1 );
            // sc_assert( a.sensitive_aprocs.size() == 1 );
            // sc_assert( b.sensitive_aprocs_neg.size() == 1 );
            // sc_assert( b.sensitive_aprocs.size() == 1 );
        }
        if (loops > 5) {
            // /* By this time aproc1 should have died. */
            // sc_assert( a.sensitive_aprocs_neg.size() == 1 );
            // sc_assert( a.sensitive_aprocs.size() == 0 );
            // sc_assert( b.sensitive_aprocs_neg.size() == 0 );
            // sc_assert( b.sensitive_aprocs.size() == 1 );
        }
        loops++;
    }
}

SC_MODULE( sync1 )
{
    SC_HAS_PROCESS( sync1 );

    sc_in_clk clk;

          sc_signal<bool>& a;
          sc_signal<bool>& b;
    const sc_signal<bool>& c;
    const sc_signal<bool>& d;

    int count;
    sync1( sc_module_name NAME,
           sc_clock& CLK,
           sc_signal<bool>& A,
           sc_signal<bool>& B,
           const sc_signal<bool>& C,
           const sc_signal<bool>& D )
        :
          a(A), b(B), c(C), d(D)

    {
        clk(CLK);
		SC_CTHREAD( entry, clk.pos() );
        count = 0;
    }
    void entry();
};

void
sync1::entry()
{
    while (true) {
        a = (val1[count % (sizeof(val1)/sizeof(val1[0]))] & 1);
        b = (val2[count % (sizeof(val2)/sizeof(val2[0]))] & 1);
        count++;
        wait();
        cout << "  a =  " << a;
        cout << "  b =  " << b;
        cout << "  c =  " << c;
        cout << "  d =  " << d << endl;
    }
}



int
sc_main(int argc, char** argv)
{
    sc_clock clk("clk");
    sc_signal<bool> a("a");
    sc_signal<bool> b("b");
    sc_signal<bool> c("c");
    sc_signal<bool> d("d");

    a = 0;
    b = 0;
    c = 0;
    d = 0;

    aproc1 p1("p1", a, b, c);
    aproc2 p2("p2", a, b, d);
    sync1  s1("s1", clk, a, b, c, d);

    // sc_assert( p1.aproc_handle->trigger_signals[0] == &a );
    // sc_assert( p1.aproc_handle->trigger_signals_edgy_neg[0] == &b );
    // sc_assert( p2.aproc_handle->trigger_signals[0] == &b );
    // sc_assert( p2.aproc_handle->trigger_signals_edgy_neg[0] == &a );

    sc_start(2000, SC_NS);
    return 0;
}