112855Sgabeblack@google.com/***************************************************************************** 212855Sgabeblack@google.com 312855Sgabeblack@google.com Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 412855Sgabeblack@google.com more contributor license agreements. See the NOTICE file distributed 512855Sgabeblack@google.com with this work for additional information regarding copyright ownership. 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 1112855Sgabeblack@google.com 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, 1412855Sgabeblack@google.com WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 1512855Sgabeblack@google.com implied. See the License for the specific language governing 1612855Sgabeblack@google.com permissions and limitations under the License. 1712855Sgabeblack@google.com 1812855Sgabeblack@google.com *****************************************************************************/ 1912855Sgabeblack@google.com 2012855Sgabeblack@google.com/***************************************************************************** 2112855Sgabeblack@google.com 2212855Sgabeblack@google.com test18.cpp -- Test that time cannot go backwards in simulator 2312855Sgabeblack@google.com 2412855Sgabeblack@google.com Original Author: Andy Goodrich, Forte Design Systems, 2006-05-03 2512855Sgabeblack@google.com 2612855Sgabeblack@google.com *****************************************************************************/ 2712855Sgabeblack@google.com 2812855Sgabeblack@google.com/***************************************************************************** 2912855Sgabeblack@google.com 3012855Sgabeblack@google.com MODIFICATION LOG - modifiers, enter your name, affiliation, date and 3112855Sgabeblack@google.com changes you are making here. 3212855Sgabeblack@google.com 3312855Sgabeblack@google.com Name, Affiliation, Date: 3412855Sgabeblack@google.com Description of Modification: 3512855Sgabeblack@google.com 3612855Sgabeblack@google.com *****************************************************************************/ 3712855Sgabeblack@google.com 3812855Sgabeblack@google.com// $Log: test18.cpp,v $ 3912855Sgabeblack@google.com// Revision 1.1.1.1 2006/12/15 20:26:06 acg 4012855Sgabeblack@google.com// systemc_tests-2.3 4112855Sgabeblack@google.com// 4212855Sgabeblack@google.com// Revision 1.1 2006/05/03 19:37:10 acg 4312855Sgabeblack@google.com// Andy Goodrich: new test to check that time will not run backward if a 4412855Sgabeblack@google.com// negative value is given to sc_event::notify() 4512855Sgabeblack@google.com// 4612855Sgabeblack@google.com 4712855Sgabeblack@google.com#include "systemc.h" 4812855Sgabeblack@google.com 4912855Sgabeblack@google.comSC_MODULE(DUT) 5012855Sgabeblack@google.com{ 5112855Sgabeblack@google.com SC_CTOR(DUT) 5212855Sgabeblack@google.com { 5312855Sgabeblack@google.com SC_METHOD(catcher); 5412855Sgabeblack@google.com sensitive << m_event; 5512855Sgabeblack@google.com dont_initialize(); 5612855Sgabeblack@google.com SC_CTHREAD(thrower,m_clk.pos()); 5712855Sgabeblack@google.com } 5812855Sgabeblack@google.com void catcher() 5912855Sgabeblack@google.com { 6012855Sgabeblack@google.com cout << sc_time_stamp() << " caught" << endl; 6112855Sgabeblack@google.com } 6212855Sgabeblack@google.com void thrower() 6312855Sgabeblack@google.com { 6412855Sgabeblack@google.com sc_time minus_four(-4.0, SC_NS); 6512855Sgabeblack@google.com wait(7); 6612855Sgabeblack@google.com for (;;) 6712855Sgabeblack@google.com { 6812855Sgabeblack@google.com wait(); 6912855Sgabeblack@google.com cout << sc_time_stamp() << " throwing" << endl; 7012855Sgabeblack@google.com m_event.notify(minus_four); 7112855Sgabeblack@google.com } 7212855Sgabeblack@google.com } 7312855Sgabeblack@google.com sc_in<bool> m_clk; 7412855Sgabeblack@google.com sc_event m_event; 7512855Sgabeblack@google.com}; 7612855Sgabeblack@google.com 7712855Sgabeblack@google.comint sc_main(int argc, char* argv[]) 7812855Sgabeblack@google.com{ 7912855Sgabeblack@google.com sc_clock clock; 8012855Sgabeblack@google.com DUT dut("dut"); 8112855Sgabeblack@google.com 8212855Sgabeblack@google.com dut.m_clk(clock); 8312855Sgabeblack@google.com 8412855Sgabeblack@google.com sc_start(11, SC_NS); 8512855Sgabeblack@google.com 8612855Sgabeblack@google.com cout << "Program completed" << endl; 8712855Sgabeblack@google.com return 0; 8812855Sgabeblack@google.com} 89