xref: /gem5/src/systemc/tests/systemc/1666-2011-compliance/async_reset_port/async_reset_port.cpp

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  more contributor license agreements.  See the NOTICE file distributed
  with this work for additional information regarding copyright ownership.
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// async_reset_port.cpp --
//
//  Original Author: John Aynsley, Doulos Inc.
//
// MODIFICATION LOG - modifiers, enter your name, affiliation, date and
//
// $Log: async_reset_port.cpp,v $
// Revision 1.2  2011/05/08 19:18:46  acg
//  Andy Goodrich: remove extraneous + prefixes from git diff.
//

// async_reset_signal_is

#define SC_INCLUDE_DYNAMIC_PROCESSES

#include <systemc>
using namespace sc_core;
using std::cout;
using std::endl;

struct M: sc_module
{
  sc_in<bool>    clk;

  sc_in<bool>    sreset1;
  sc_inout<bool> sreset2;
  sc_out<bool>   sreset3;

  sc_in<bool>    areset1;
  sc_inout<bool> areset2;
  sc_out<bool>   areset3;

  M(sc_module_name _name)
  : count(0)
  {
    SC_CTHREAD(CT1, clk);
      reset_signal_is(sreset1, false);
      ct1 = sc_get_current_process_handle();

    SC_CTHREAD(CT2, clk);
      reset_signal_is(sreset2, false);
      ct2 = sc_get_current_process_handle();

    SC_CTHREAD(CT3, clk);
      reset_signal_is(sreset3, false);
      ct3 = sc_get_current_process_handle();

    SC_CTHREAD(CT4, clk);
      async_reset_signal_is(areset1, false);
      ct4 = sc_get_current_process_handle();

    SC_CTHREAD(CT5, clk);
      async_reset_signal_is(areset2, false);
      ct5 = sc_get_current_process_handle();

    SC_CTHREAD(CT6, clk);
      async_reset_signal_is(areset3, false);
      ct6 = sc_get_current_process_handle();

    f1 = f2 = f3 = f4 = f5 = f6 = f7 = f8 = f9 = 0;
    f10 = f11 = f12 = f13 = f14 = f15 = f16 = f17 = f18 = f19 = 0;
    f20 = f21 = f22 = f23 = f24 = f25 = f26 = f27 = f28 = f29 = 0;
    f30 = f31 = f32 = f33 = f34 = f35 = f36 = f37 = f38 = f39 = 0;
  }

  int count;
  sc_process_handle ct1, ct2, ct3, ct4, ct5, ct6;

  int f1, f2, f3, f4, f5, f6, f7, f8, f9;
  int f10, f11, f12, f13, f14, f15, f16, f17, f18, f19;
  int f20, f21, f22, f23, f24, f25, f26, f27, f28, f29;
  int f30, f31, f32, f33, f34, f35, f36, f37, f38, f39;

  void CT1()
  {
    if (count ==  2) { sc_assert(sc_time_stamp() == sc_time( 15, SC_NS));  f1 = 1; }
    if (count == 17) { sc_assert(false); }
    if (count == 18) { sc_assert(sc_time_stamp() == sc_time(135, SC_NS)); f16 = 1; }
    if (count == 19) { sc_assert(sc_time_stamp() == sc_time(145, SC_NS)); f25 = 1; }
    while (true)
    {
      wait();
      if (count == 16) { sc_assert(sc_time_stamp() == sc_time(125, SC_NS)); f10 = 1; }
      if (count == 20) { sc_assert(sc_time_stamp() == sc_time(155, SC_NS)); f31 = 1; }
    }
  }

  void CT2()
  {
    if (count ==  4) { sc_assert(sc_time_stamp() == sc_time( 35, SC_NS));  f2 = 1; }
    if (count == 17) { sc_assert(false); }
    if (count == 18) { sc_assert(sc_time_stamp() == sc_time(135, SC_NS)); f17 = 1; }
    if (count == 19) { sc_assert(sc_time_stamp() == sc_time(145, SC_NS)); f26 = 1; }
    while (true)
    {
      wait();
      if (count == 16) { sc_assert(sc_time_stamp() == sc_time(125, SC_NS)); f11 = 1; }
      if (count == 20) { sc_assert(sc_time_stamp() == sc_time(155, SC_NS)); f32 = 1; }
    }
  }

  void CT3()
  {
    if (count ==  6) { sc_assert(sc_time_stamp() == sc_time( 55, SC_NS));  f3 = 1; }
    if (count == 17) { sc_assert(false); }
    if (count == 18) { sc_assert(sc_time_stamp() == sc_time(135, SC_NS)); f18 = 1; }
    if (count == 19) { sc_assert(sc_time_stamp() == sc_time(145, SC_NS)); f27 = 1; }
    while (true)
    {
      wait();
      if (count == 16) { sc_assert(sc_time_stamp() == sc_time(125, SC_NS)); f12 = 1; }
      if (count == 20) { sc_assert(sc_time_stamp() == sc_time(155, SC_NS)); f33 = 1; }
    }
  }

  void CT4()
  {
    if (count ==  8) { sc_assert(sc_time_stamp() == sc_time( 70, SC_NS));  f4 = 1; }
    if (count ==  9) { sc_assert(sc_time_stamp() == sc_time( 75, SC_NS));  f5 = 1; }
    if (count == 17) { sc_assert(sc_time_stamp() == sc_time(130, SC_NS)); f19 = 1; }
    if (count == 18) { sc_assert(sc_time_stamp() == sc_time(135, SC_NS)); f22 = 1; }
    if (count == 19) { sc_assert(sc_time_stamp() == sc_time(145, SC_NS)); f28 = 1; }
    while (true)
    {
      wait();
      if (count == 16) { sc_assert(sc_time_stamp() == sc_time(125, SC_NS)); f13 = 1; }
      if (count == 20) { sc_assert(sc_time_stamp() == sc_time(155, SC_NS)); f34 = 1; }
    }
  }

  void CT5()
  {
    if (count == 11) { sc_assert(sc_time_stamp() == sc_time( 90, SC_NS));  f6 = 1; }
    if (count == 12) { sc_assert(sc_time_stamp() == sc_time( 95, SC_NS));  f7 = 1; }
    if (count == 17) { sc_assert(sc_time_stamp() == sc_time(130, SC_NS)); f20 = 1; }
    if (count == 18) { sc_assert(sc_time_stamp() == sc_time(135, SC_NS)); f23 = 1; }
    if (count == 19) { sc_assert(sc_time_stamp() == sc_time(145, SC_NS)); f29 = 1; }
    while (true)
    {
      wait();
      if (count == 16) { sc_assert(sc_time_stamp() == sc_time(125, SC_NS)); f14 = 1; }
      if (count == 20) { sc_assert(sc_time_stamp() == sc_time(155, SC_NS)); f35 = 1; }
    }
  }

  void CT6()
  {
    if (count == 14) { sc_assert(sc_time_stamp() == sc_time(110, SC_NS));  f8 = 1; }
    if (count == 15) { sc_assert(sc_time_stamp() == sc_time(115, SC_NS));  f9 = 1; }
    if (count == 17) { sc_assert(sc_time_stamp() == sc_time(130, SC_NS)); f21 = 1; }
    if (count == 18) { sc_assert(sc_time_stamp() == sc_time(135, SC_NS)); f24 = 1; }
    if (count == 19) { sc_assert(sc_time_stamp() == sc_time(145, SC_NS)); f30 = 1; }
    while (true)
    {
      try {
        wait();
      }
      catch (const sc_unwind_exception& e) {
        sc_assert( e.is_reset() );
        sc_assert( sc_is_unwinding() );
        if (count == 14) { sc_assert(sc_time_stamp() == sc_time(110, SC_NS)); f37 = 1; }
        if (count == 17) { sc_assert(sc_time_stamp() == sc_time(130, SC_NS)); f38 = 1; }
        throw e;
      }
      if (count == 16) { sc_assert(sc_time_stamp() == sc_time(125, SC_NS)); f15 = 1; }
      if (count == 20) { sc_assert(sc_time_stamp() == sc_time(155, SC_NS)); f36 = 1; }
    }
  }

  SC_HAS_PROCESS(M);
};

struct Top: sc_module
{
  Top(sc_module_name _name)
  {
    m = new M("m");
    m->clk(clk);
    m->sreset1(sreset1);
    m->sreset2(sreset2);
    m->sreset3(sreset3);
    m->areset1(areset1);
    m->areset2(areset2);
    m->areset3(areset3);

    SC_THREAD(ctrl);

    // Resets are all active-low
    sreset1.write(1);
    sreset2.write(1);
    sreset3.write(1);
    areset1.write(1);
    areset2.write(1);
    areset3.write(1);
  }

  M* m;

  sc_signal<bool> clk;

  sc_signal<bool> sreset1;
  sc_signal<bool> sreset2;
  sc_signal<bool> sreset3;

  sc_signal<bool> areset1;
  sc_signal<bool> areset2;
  sc_signal<bool> areset3;

  void ctrl()
  {
    m->count = 1;
    clock();

    m->count = 2;
    sreset1.write(0);
    clock();

    m->count = 3;
    sreset1.write(1);
    clock();

    m->count = 4;
    sreset2.write(0);
    clock();

    m->count = 5;
    sreset2.write(1);
    clock();

    m->count = 6;
    sreset3.write(0);
    clock();

    m->count = 7;
    sreset3.write(1);
    clock();

    m->count = 8;
    areset1.write(0);
    wait(SC_ZERO_TIME);

    m->count = 9;
    clock();

    m->count = 10;
    areset1.write(1);
    clock();

    m->count = 11;
    areset2.write(0);
    wait(SC_ZERO_TIME);

    m->count = 12;
    clock();

    m->count = 13;
    areset2.write(1);
    clock();

    m->count = 14;
    areset3.write(0);
    wait(SC_ZERO_TIME);

    m->count = 15;
    clock();

    m->count = 16;
    areset3.write(1);
    clock();

    m->count = 17;
    sreset1.write(0);
    sreset2.write(0);
    sreset3.write(0);
    areset1.write(0);
    areset2.write(0);
    areset3.write(0);
    wait(SC_ZERO_TIME);

    m->count = 18;
    clock();

    m->count = 19;
    clock();

    m->count = 20;
    sreset1.write(1);
    sreset2.write(1);
    sreset3.write(1);
    areset1.write(1);
    areset2.write(1);
    areset3.write(1);
    clock();
  }

  void clock()
  {
    clk.write(0);
    wait(5, SC_NS);
    clk.write(1);
    wait(5, SC_NS);
  }

  SC_HAS_PROCESS(Top);
};

int sc_main(int argc, char* argv[])
{
  Top top("top");

  sc_start();

  sc_assert(top.m->f1);
  sc_assert(top.m->f2);
  sc_assert(top.m->f3);
  sc_assert(top.m->f4);
  sc_assert(top.m->f5);
  sc_assert(top.m->f6);
  sc_assert(top.m->f7);
  sc_assert(top.m->f8);
  sc_assert(top.m->f9);
  sc_assert(top.m->f10);
  sc_assert(top.m->f11);
  sc_assert(top.m->f12);
  sc_assert(top.m->f13);
  sc_assert(top.m->f14);
  sc_assert(top.m->f15);
  sc_assert(top.m->f16);
  sc_assert(top.m->f17);
  sc_assert(top.m->f18);
  sc_assert(top.m->f19);
  sc_assert(top.m->f20);
  sc_assert(top.m->f21);
  sc_assert(top.m->f22);
  sc_assert(top.m->f23);
  sc_assert(top.m->f24);
  sc_assert(top.m->f25);
  sc_assert(top.m->f26);
  sc_assert(top.m->f28);
  sc_assert(top.m->f29);
  sc_assert(top.m->f30);
  sc_assert(top.m->f31);
  sc_assert(top.m->f32);
  sc_assert(top.m->f33);
  sc_assert(top.m->f34);
  sc_assert(top.m->f35);
  sc_assert(top.m->f36);
  sc_assert(top.m->f37);
  sc_assert(top.m->f38);

  cout << endl << "Success" << endl;
  return 0;
}