112855Sgabeblack@google.com/*****************************************************************************
212855Sgabeblack@google.com
312855Sgabeblack@google.com  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
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612855Sgabeblack@google.com  Accellera licenses this file to you under the Apache License, Version 2.0
712855Sgabeblack@google.com  (the "License"); you may not use this file except in compliance with the
812855Sgabeblack@google.com  License.  You may obtain a copy of the License at
912855Sgabeblack@google.com
1012855Sgabeblack@google.com    http://www.apache.org/licenses/LICENSE-2.0
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1212855Sgabeblack@google.com  Unless required by applicable law or agreed to in writing, software
1312855Sgabeblack@google.com  distributed under the License is distributed on an "AS IS" BASIS,
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1812855Sgabeblack@google.com *****************************************************************************/
1912855Sgabeblack@google.com
2012855Sgabeblack@google.com// sc_delta_count.cpp -- test for
2112855Sgabeblack@google.com//
2212855Sgabeblack@google.com//  Original Author: John Aynsley, Doulos, Inc.
2312855Sgabeblack@google.com//
2412855Sgabeblack@google.com// MODIFICATION LOG - modifiers, enter your name, affiliation, date and
2512855Sgabeblack@google.com//
2612855Sgabeblack@google.com// $Log: sc_delta_count.cpp,v $
2712855Sgabeblack@google.com// Revision 1.2  2011/05/08 19:18:46  acg
2812855Sgabeblack@google.com//  Andy Goodrich: remove extraneous + prefixes from git diff.
2912855Sgabeblack@google.com//
3012855Sgabeblack@google.com
3112855Sgabeblack@google.com// sc_delta_count, including notifications across pauses
3212855Sgabeblack@google.com
3312855Sgabeblack@google.com#define SC_INCLUDE_DYNAMIC_PROCESSES
3412855Sgabeblack@google.com
3512855Sgabeblack@google.com#include <systemc>
3612855Sgabeblack@google.comusing namespace sc_core;
3712855Sgabeblack@google.comusing std::cout;
3812855Sgabeblack@google.comusing std::endl;
3912855Sgabeblack@google.com
4012855Sgabeblack@google.comstruct Top: sc_module
4112855Sgabeblack@google.com{
4212855Sgabeblack@google.com  Top(sc_module_name _name)
4312855Sgabeblack@google.com  {
4412855Sgabeblack@google.com
4512855Sgabeblack@google.com    SC_THREAD(T);
4612855Sgabeblack@google.com
4712855Sgabeblack@google.com    SC_METHOD(M);
4812855Sgabeblack@google.com      sensitive << ev << ev2 << ev3;
4912855Sgabeblack@google.com      dont_initialize();
5012855Sgabeblack@google.com      m = sc_get_current_process_handle();
5112855Sgabeblack@google.com
5212855Sgabeblack@google.com    sc_assert( sc_delta_count() == 0 );
5312855Sgabeblack@google.com    count = 0;
5412855Sgabeblack@google.com    reached_end = false;
5512855Sgabeblack@google.com  }
5612855Sgabeblack@google.com
5712855Sgabeblack@google.com  void start_of_simulation()
5812855Sgabeblack@google.com  {
5912855Sgabeblack@google.com    sc_assert( sc_delta_count() == 0 );
6012855Sgabeblack@google.com  }
6112855Sgabeblack@google.com
6212855Sgabeblack@google.com  sc_process_handle m;
6312855Sgabeblack@google.com  sc_event ev, ev2, ev3;
6412855Sgabeblack@google.com  int count;
6512855Sgabeblack@google.com  sc_time last_time;
6612855Sgabeblack@google.com  bool reached_end;
6712855Sgabeblack@google.com
6812855Sgabeblack@google.com  void T()
6912855Sgabeblack@google.com  {
7012855Sgabeblack@google.com    sc_assert( sc_delta_count() == 0 );
7112855Sgabeblack@google.com
7212855Sgabeblack@google.com    count = 1;
7312855Sgabeblack@google.com    ev.notify();
7412855Sgabeblack@google.com    wait(SC_ZERO_TIME);
7512855Sgabeblack@google.com    sc_assert( sc_delta_count() == 1 );
7612855Sgabeblack@google.com
7712855Sgabeblack@google.com    count = 2;
7812855Sgabeblack@google.com    ev.notify();
7912855Sgabeblack@google.com    wait(SC_ZERO_TIME);
8012855Sgabeblack@google.com    sc_assert( sc_delta_count() == 2 );
8112855Sgabeblack@google.com
8212855Sgabeblack@google.com    count = 3;
8312855Sgabeblack@google.com    ev.notify(SC_ZERO_TIME);
8412855Sgabeblack@google.com    wait(SC_ZERO_TIME);
8512855Sgabeblack@google.com    sc_assert( sc_delta_count() == 3 );
8612855Sgabeblack@google.com
8712855Sgabeblack@google.com    count = 4;
8812855Sgabeblack@google.com    ev.notify(1, SC_NS);
8912855Sgabeblack@google.com    wait(SC_ZERO_TIME);
9012855Sgabeblack@google.com    sc_assert( sc_delta_count() == 4 );
9112855Sgabeblack@google.com
9212855Sgabeblack@google.com    count = 5;
9312855Sgabeblack@google.com    wait(1, SC_NS);
9412855Sgabeblack@google.com    ev.notify(1, SC_NS);
9512855Sgabeblack@google.com    sc_assert( sc_delta_count() == 5 );
9612855Sgabeblack@google.com
9712855Sgabeblack@google.com    count = 6;
9812855Sgabeblack@google.com    wait(2, SC_NS);
9912855Sgabeblack@google.com    sc_assert( sc_delta_count() == 7 );
10012855Sgabeblack@google.com
10112855Sgabeblack@google.com    count = 7;
10212855Sgabeblack@google.com    m.disable();
10312855Sgabeblack@google.com    ev.notify(1, SC_NS);
10412855Sgabeblack@google.com    wait(2, SC_NS);
10512855Sgabeblack@google.com    sc_assert( sc_delta_count() == 8 );
10612855Sgabeblack@google.com
10712855Sgabeblack@google.com    count = 8;
10812855Sgabeblack@google.com    m.enable();
10912855Sgabeblack@google.com    ev .notify();
11012855Sgabeblack@google.com    ev2.notify(1, SC_NS);
11112855Sgabeblack@google.com    ev3.notify(2, SC_NS);
11212855Sgabeblack@google.com    wait(3, SC_NS);
11312855Sgabeblack@google.com    sc_assert( sc_delta_count() == 11 );
11412855Sgabeblack@google.com
11512855Sgabeblack@google.com    count = 9;
11612855Sgabeblack@google.com    last_time = sc_time_stamp();
11712855Sgabeblack@google.com    sc_pause(); // 1st pause
11812855Sgabeblack@google.com    wait(ev);
11912855Sgabeblack@google.com    sc_assert( sc_delta_count() == 12 );
12012855Sgabeblack@google.com
12112855Sgabeblack@google.com    count = 10;
12212855Sgabeblack@google.com    last_time = sc_time_stamp();
12312855Sgabeblack@google.com    sc_pause(); // 2nd pause
12412855Sgabeblack@google.com    wait(ev);
12512855Sgabeblack@google.com    sc_assert( sc_delta_count() == 13 );
12612855Sgabeblack@google.com
12712855Sgabeblack@google.com    count = 11;
12812855Sgabeblack@google.com    last_time = sc_time_stamp();
12912855Sgabeblack@google.com    sc_pause(); // 3rd pause
13012855Sgabeblack@google.com    wait(ev);
13112855Sgabeblack@google.com    sc_assert( sc_delta_count() == 14 );
13212855Sgabeblack@google.com
13312855Sgabeblack@google.com    count = 12;
13412855Sgabeblack@google.com    last_time = sc_time_stamp();
13512855Sgabeblack@google.com    sc_pause(); // 4th pause
13612855Sgabeblack@google.com    wait(ev);
13712855Sgabeblack@google.com    sc_assert( sc_delta_count() == 15 );
13812855Sgabeblack@google.com
13912855Sgabeblack@google.com    count = 13;
14012855Sgabeblack@google.com    last_time = sc_time_stamp();
14112855Sgabeblack@google.com    sc_pause(); // 5th pause
14212855Sgabeblack@google.com    wait(ev);
14312855Sgabeblack@google.com    sc_assert( sc_delta_count() == 16 );
14412855Sgabeblack@google.com
14512855Sgabeblack@google.com     count = 14;
14612855Sgabeblack@google.com     wait(ev);
14712855Sgabeblack@google.com     sc_assert( sc_delta_count() == 17 );
14812855Sgabeblack@google.com
14912855Sgabeblack@google.com    last_time = sc_time_stamp();
15012855Sgabeblack@google.com    reached_end = true;
15112855Sgabeblack@google.com    sc_stop();
15212855Sgabeblack@google.com  }
15312855Sgabeblack@google.com
15412855Sgabeblack@google.com  void M()
15512855Sgabeblack@google.com  {
15612855Sgabeblack@google.com    cout << "M() awoke at " << sc_time_stamp() << endl;
15712855Sgabeblack@google.com    switch (count)
15812855Sgabeblack@google.com    {
15912855Sgabeblack@google.com      case  0: sc_assert( false ); break;
16012855Sgabeblack@google.com      case  1: sc_assert( sc_delta_count() == 0 ); break;
16112855Sgabeblack@google.com      case  2: sc_assert( sc_delta_count() == 1 ); break;
16212855Sgabeblack@google.com      case  3: sc_assert( sc_delta_count() == 3 ); break;
16312855Sgabeblack@google.com      case  4: sc_assert( false ); break;
16412855Sgabeblack@google.com      case  5: sc_assert( sc_delta_count() == 5 ); break;
16512855Sgabeblack@google.com      case  6: sc_assert( sc_delta_count() == 6 ); break;
16612855Sgabeblack@google.com      case  7: sc_assert( false ); break;
16712855Sgabeblack@google.com      case  8: sc_assert( sc_delta_count() == 8 ||
16812855Sgabeblack@google.com                         sc_delta_count() == 9 ||
16912855Sgabeblack@google.com                         sc_delta_count() == 10 ); break;
17012855Sgabeblack@google.com      case  9: sc_assert( sc_delta_count() == 12 ); break;
17112855Sgabeblack@google.com      case 10: sc_assert( sc_delta_count() == 13 ); break;
17212855Sgabeblack@google.com      case 11: sc_assert( sc_delta_count() == 14 ); break;
17312855Sgabeblack@google.com      case 12: sc_assert( sc_delta_count() == 15 ); break;
17412855Sgabeblack@google.com      case 13: sc_assert( sc_delta_count() == 16 ); break;
17512855Sgabeblack@google.com      case 14: sc_assert( sc_delta_count() == 17 ); break;
17612855Sgabeblack@google.com    }
17712855Sgabeblack@google.com  }
17812855Sgabeblack@google.com
17912855Sgabeblack@google.com  SC_HAS_PROCESS(Top);
18012855Sgabeblack@google.com};
18112855Sgabeblack@google.com
18212855Sgabeblack@google.comint sc_main(int argc, char* argv[])
18312855Sgabeblack@google.com{
18412855Sgabeblack@google.com  sc_assert( sc_delta_count() == 0 );
18512855Sgabeblack@google.com
18612855Sgabeblack@google.com  Top top("top");
18712855Sgabeblack@google.com
18812855Sgabeblack@google.com  sc_start();
18912855Sgabeblack@google.com
19012855Sgabeblack@google.com  sc_assert( sc_delta_count() == 12 );
19112855Sgabeblack@google.com  sc_assert( sc_get_status() == SC_PAUSED );
19212855Sgabeblack@google.com  top.ev.notify();  // Wake from 1st pause on immed notification
19312855Sgabeblack@google.com
19412855Sgabeblack@google.com  sc_start();
19512855Sgabeblack@google.com  sc_assert( sc_delta_count() == 13 );
19612855Sgabeblack@google.com  sc_assert( sc_get_status() == SC_PAUSED );
19712855Sgabeblack@google.com  sc_assert( sc_pending_activity_at_current_time() == false );
19812855Sgabeblack@google.com  sc_assert( sc_pending_activity_at_future_time() == false );
19912855Sgabeblack@google.com
20012855Sgabeblack@google.com  sc_start(SC_ZERO_TIME);
20112855Sgabeblack@google.com  sc_assert( sc_delta_count() == 13 );
20212855Sgabeblack@google.com
20312855Sgabeblack@google.com  sc_assert( sc_get_status() == SC_PAUSED );
20412855Sgabeblack@google.com  sc_start(SC_ZERO_TIME);
20512855Sgabeblack@google.com  sc_assert( sc_delta_count() == 13 );
20612855Sgabeblack@google.com  sc_assert( top.last_time == sc_time_stamp() );
20712855Sgabeblack@google.com
20812855Sgabeblack@google.com  sc_start(1, SC_NS);
20912855Sgabeblack@google.com  sc_assert( sc_delta_count() == 13 );
21012855Sgabeblack@google.com  sc_assert( top.count == 10 );
21112855Sgabeblack@google.com  // sc_assert( top.last_time == sc_time_stamp() );
21212855Sgabeblack@google.com
21312855Sgabeblack@google.com  top.ev.notify(SC_ZERO_TIME); // Wake from 2nd pause on delta notification
21412855Sgabeblack@google.com  sc_start(1, SC_NS);
21512855Sgabeblack@google.com  sc_assert( sc_delta_count() == 14 );
21612855Sgabeblack@google.com  sc_assert( top.last_time == sc_time_stamp() );
21712855Sgabeblack@google.com
21812855Sgabeblack@google.com  top.ev.notify(1, SC_NS);   // Wake from 3rd pause on timed notification
21912855Sgabeblack@google.com  sc_start(2, SC_NS);
22012855Sgabeblack@google.com  sc_assert( sc_delta_count() == 15 );
22112855Sgabeblack@google.com  sc_assert( top.last_time == sc_time_stamp() );
22212855Sgabeblack@google.com
22312855Sgabeblack@google.com  top.ev.notify(2, SC_NS);   // Future notification beyond the subsequent start
22412855Sgabeblack@google.com  sc_assert( sc_pending_activity_at_current_time() == false );
22512855Sgabeblack@google.com  sc_assert( sc_pending_activity_at_future_time() == true );
22612855Sgabeblack@google.com  sc_start(1, SC_NS);
22712855Sgabeblack@google.com  sc_assert( sc_delta_count() == 15 );
22812855Sgabeblack@google.com
22912855Sgabeblack@google.com  sc_start();
23012855Sgabeblack@google.com  sc_assert( sc_delta_count() == 16 );
23112855Sgabeblack@google.com  sc_assert( top.last_time == sc_time_stamp() );
23212855Sgabeblack@google.com
23312855Sgabeblack@google.com  top.ev.notify();  // Wake from 5th pause on immed notification
23412855Sgabeblack@google.com  sc_start(SC_ZERO_TIME);
23512855Sgabeblack@google.com  sc_assert( sc_delta_count() == 17 );
23612855Sgabeblack@google.com  sc_assert( top.last_time == sc_time_stamp() );
23712855Sgabeblack@google.com
23812855Sgabeblack@google.com  sc_assert( sc_get_status() == SC_PAUSED );
23912855Sgabeblack@google.com
24012855Sgabeblack@google.com  top.ev.notify(1, SC_NS);   // Future notification before calling sc_stop
24112855Sgabeblack@google.com  sc_start(2, SC_NS);
24212855Sgabeblack@google.com
24312855Sgabeblack@google.com  sc_assert( sc_get_status() == SC_STOPPED );
24412855Sgabeblack@google.com  sc_assert( sc_end_of_simulation_invoked() );
24512855Sgabeblack@google.com  sc_assert( top.last_time == sc_time_stamp() );
24612855Sgabeblack@google.com  sc_assert( top.reached_end );
24712855Sgabeblack@google.com
24812855Sgabeblack@google.com  cout << endl << "Success" << endl;
24912855Sgabeblack@google.com  return 0;
25012855Sgabeblack@google.com}
251