sc_event_queue.cc revision 13258
112841Sgabeblack@google.com/* 212841Sgabeblack@google.com * Copyright 2018 Google, Inc. 312841Sgabeblack@google.com * 412841Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 512841Sgabeblack@google.com * modification, are permitted provided that the following conditions are 612841Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 712841Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 812841Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 912841Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1012841Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1112841Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1212841Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1312841Sgabeblack@google.com * this software without specific prior written permission. 1412841Sgabeblack@google.com * 1512841Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1612841Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1712841Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1812841Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1912841Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2012841Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2112841Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2212841Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2312841Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2412841Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2512841Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2612841Sgabeblack@google.com * 2712841Sgabeblack@google.com * Authors: Gabe Black 2812841Sgabeblack@google.com */ 2912841Sgabeblack@google.com 3012841Sgabeblack@google.com#include "base/logging.hh" 3112841Sgabeblack@google.com#include "systemc/ext/channel/sc_event_queue.hh" 3213258Sgabeblack@google.com#include "systemc/ext/core/sc_main.hh" 3313258Sgabeblack@google.com#include "systemc/ext/core/sc_time.hh" 3412841Sgabeblack@google.com 3512841Sgabeblack@google.comnamespace sc_core 3612841Sgabeblack@google.com{ 3712841Sgabeblack@google.com 3812841Sgabeblack@google.comsc_event_queue::sc_event_queue(sc_module_name name) : 3912841Sgabeblack@google.com sc_interface(), sc_event_queue_if(), sc_module(name) 4013258Sgabeblack@google.com{ 4113258Sgabeblack@google.com SC_METHOD(_trigger); 4213258Sgabeblack@google.com dont_initialize(); 4313258Sgabeblack@google.com sensitive << _defaultEvent; 4413258Sgabeblack@google.com} 4512841Sgabeblack@google.com 4612841Sgabeblack@google.comsc_event_queue::~sc_event_queue() {} 4712841Sgabeblack@google.com 4812841Sgabeblack@google.comvoid 4913258Sgabeblack@google.comsc_event_queue::notify(double d, sc_time_unit tu) 5012841Sgabeblack@google.com{ 5113258Sgabeblack@google.com notify(sc_time(d, tu)); 5212841Sgabeblack@google.com} 5312841Sgabeblack@google.com 5412841Sgabeblack@google.comvoid 5513258Sgabeblack@google.comsc_event_queue::notify(const sc_time &t) 5612841Sgabeblack@google.com{ 5713258Sgabeblack@google.com _times.push(sc_time_stamp() + t); 5813258Sgabeblack@google.com _defaultEvent.notify(_times.top() - sc_time_stamp()); 5912841Sgabeblack@google.com} 6012841Sgabeblack@google.com 6112841Sgabeblack@google.comvoid 6212841Sgabeblack@google.comsc_event_queue::cancel_all() 6312841Sgabeblack@google.com{ 6413258Sgabeblack@google.com _defaultEvent.cancel(); 6513258Sgabeblack@google.com _times = std::priority_queue< 6613258Sgabeblack@google.com sc_time, std::vector<sc_time>, std::greater<sc_time> >(); 6712841Sgabeblack@google.com} 6812841Sgabeblack@google.com 6912841Sgabeblack@google.comconst sc_event & 7012841Sgabeblack@google.comsc_event_queue::default_event() const 7112841Sgabeblack@google.com{ 7213258Sgabeblack@google.com return _defaultEvent; 7313258Sgabeblack@google.com} 7413258Sgabeblack@google.com 7513258Sgabeblack@google.comvoid 7613258Sgabeblack@google.comsc_event_queue::_trigger() 7713258Sgabeblack@google.com{ 7813258Sgabeblack@google.com _times.pop(); 7913258Sgabeblack@google.com if (!_times.empty()) 8013258Sgabeblack@google.com _defaultEvent.notify(_times.top() - sc_time_stamp()); 8112841Sgabeblack@google.com} 8212841Sgabeblack@google.com 8312841Sgabeblack@google.com} // namespace sc_core 84