source: sources/test_regression/11062007/system.cpp @ 55

#include <signal.h>

#include "systemc.h"

#include "test.h"

using namespace std;


struct A : sc_module {
    sc_in_clk clk;
    sc_out<bool> o1;

    void eval() {
        o1 = (rand() % 2) == 0;
    }

    SC_CTOR(A) : clk ("clk"), o1("o1") {
        SC_METHOD(eval);
        sensitive << clk.neg();
        dont_initialize();
    }
};


struct B : sc_module {
    sc_in_clk    clk;
    sc_in<bool>  i1;
    sc_in<bool>  i2;
    sc_out<bool> o1;
    sc_out<bool> o2;

    void eval1() {
        o1 = ~i1;
    }

    void eval2() {
        o2 = ~i2;
    }

    SC_CTOR(B) : clk("clk"), i1("i1"), i2("i2"), o1("o1"), o2("o2") {
        SC_METHOD(eval1);
        sensitive << clk.neg();
        sensitive << i1;
        dont_initialize();
#ifdef SYSTEMCASS_SPECIFIC
        o1(i1);
#endif
        SC_METHOD(eval2);
        sensitive << clk.neg();
        sensitive << i2;
        dont_initialize();
#ifdef SYSTEMCASS_SPECIFIC
        o2(i2);
#endif
    }
};


struct C : sc_module {
    sc_in_clk    clk;
    sc_in<bool>  i1;
    sc_in<bool>  i2;
    sc_out<bool> o1;

    void eval1() {
        o1 = i1 ^ i2;
    }

    SC_CTOR(C) : clk ("clk"), i1 ("i1"), i2("i2"), o1("o1") {
        SC_METHOD(eval1);
        sensitive << clk.neg();
        sensitive << i1 << i2;
        dont_initialize();
#ifdef SYSTEMCASS_SPECIFIC
        o1(i1);
        o1(i2);
#endif
    }

};


struct D : sc_module {
    sc_in_clk    clk;
    sc_out<bool> o1;

    void eval () {
        o1 = (rand() % 2) == 0;
    }

    SC_CTOR(D) : clk ("clk"), o1("o1") {
        SC_METHOD(eval);
        sensitive << clk.neg();
        dont_initialize();
    }

};


int sc_main (int argc, char * argv[]) {
    sc_clock signal_clk("my_clock",1, 0.5);
    sc_signal<bool> s1("s1"),s2("s2"),s3("s3"),s4("s4"),s5("s5");

    A a("a");
    B b("b");
    C c("c");
    D d("d");

    a.clk(signal_clk);
    b.clk(signal_clk);
    c.clk(signal_clk);
    d.clk(signal_clk);

    a.o1(s1);
    b.i1(s1);

    d.o1(s2);
    c.i2(s2);

    b.o1(s3);
    c.i1(s3);

    c.o1(s4);
    b.i2(s4);

    b.o2(s5);

    // Init & run
    sc_start(sc_time(0, sc_core::SC_NS));

    if (argc == 1) {
        cout << "Usage :\n" << argv[0] << " [#cycles]\n";
        return EXIT_SUCCESS;
    }

    sc_start(sc_time(atoi(argv[1]), sc_core::SC_NS));

    cout << s1.read() << endl;
    cout << s2.read() << endl;
    cout << s3.read() << endl;
    cout << s4.read() << endl;
    cout << s5.read() << endl;

    return EXIT_SUCCESS;
}

/*
# Local Variables:
# tab-width: 4;
# c-basic-offset: 4;
# c-file-offsets:((innamespace . 0)(inline-open . 0));
# indent-tabs-mode: nil;
# End:
#
# vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=4:softtabstop=4
*/