113511Sgabeblack@google.com/***************************************************************************** 213511Sgabeblack@google.com 313511Sgabeblack@google.com Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 413511Sgabeblack@google.com more contributor license agreements. See the NOTICE file distributed 513511Sgabeblack@google.com with this work for additional information regarding copyright ownership. 613511Sgabeblack@google.com Accellera licenses this file to you under the Apache License, Version 2.0 713511Sgabeblack@google.com (the "License"); you may not use this file except in compliance with the 813511Sgabeblack@google.com License. You may obtain a copy of the License at 913511Sgabeblack@google.com 1013511Sgabeblack@google.com http://www.apache.org/licenses/LICENSE-2.0 1113511Sgabeblack@google.com 1213511Sgabeblack@google.com Unless required by applicable law or agreed to in writing, software 1313511Sgabeblack@google.com distributed under the License is distributed on an "AS IS" BASIS, 1413511Sgabeblack@google.com WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 1513511Sgabeblack@google.com implied. See the License for the specific language governing 1613511Sgabeblack@google.com permissions and limitations under the License. 1713511Sgabeblack@google.com 1813511Sgabeblack@google.com *****************************************************************************/ 1913511Sgabeblack@google.com 2013511Sgabeblack@google.com// 12-Jan-2009 John Aynsley Bug fix. sc_time argument to notify should be const 2113511Sgabeblack@google.com// 20-Mar-2009 John Aynsley Add cancel_all() method 2213511Sgabeblack@google.com 2313511Sgabeblack@google.com 2413513Sgabeblack@google.com#ifndef __SYSTEMC_EXT_TLM_UTILS_PEQ_WITH_GET_H__ 2513513Sgabeblack@google.com#define __SYSTEMC_EXT_TLM_UTILS_PEQ_WITH_GET_H__ 2613511Sgabeblack@google.com 2713513Sgabeblack@google.com#include <map> 2813586Sgabeblack@google.com 2913586Sgabeblack@google.com#include "../core/sc_event.hh" 3013586Sgabeblack@google.com#include "../core/sc_main.hh" 3113586Sgabeblack@google.com#include "../core/sc_object.hh" 3213586Sgabeblack@google.com#include "../core/sc_time.hh" 3313511Sgabeblack@google.com 3413513Sgabeblack@google.comnamespace tlm_utils 3513513Sgabeblack@google.com{ 3613511Sgabeblack@google.com 3713511Sgabeblack@google.comtemplate <class PAYLOAD> 3813511Sgabeblack@google.comclass peq_with_get : public sc_core::sc_object 3913511Sgabeblack@google.com{ 4013513Sgabeblack@google.com public: 4113513Sgabeblack@google.com typedef PAYLOAD transaction_type; 4213513Sgabeblack@google.com typedef std::pair<const sc_core::sc_time, transaction_type *> pair_type; 4313511Sgabeblack@google.com 4413513Sgabeblack@google.com public: 4513513Sgabeblack@google.com peq_with_get(const char *name) : sc_core::sc_object(name) {} 4613511Sgabeblack@google.com 4713513Sgabeblack@google.com void 4813513Sgabeblack@google.com notify(transaction_type &trans, const sc_core::sc_time &t) 4913513Sgabeblack@google.com { 5013513Sgabeblack@google.com m_scheduled_events.insert(pair_type(t + sc_core::sc_time_stamp(), 5113513Sgabeblack@google.com &trans)); 5213513Sgabeblack@google.com m_event.notify(t); 5313511Sgabeblack@google.com } 5413511Sgabeblack@google.com 5513513Sgabeblack@google.com void 5613513Sgabeblack@google.com notify(transaction_type &trans) 5713513Sgabeblack@google.com { 5813513Sgabeblack@google.com m_scheduled_events.insert(pair_type(sc_core::sc_time_stamp(), &trans)); 5913513Sgabeblack@google.com m_event.notify(); // Immediate notification. 6013511Sgabeblack@google.com } 6113511Sgabeblack@google.com 6213513Sgabeblack@google.com // Needs to be called until it returns NULL 6313513Sgabeblack@google.com transaction_type * 6413513Sgabeblack@google.com get_next_transaction() 6513513Sgabeblack@google.com { 6613513Sgabeblack@google.com if (m_scheduled_events.empty()) { 6713513Sgabeblack@google.com return nullptr; 6813513Sgabeblack@google.com } 6913511Sgabeblack@google.com 7013513Sgabeblack@google.com sc_core::sc_time now = sc_core::sc_time_stamp(); 7113513Sgabeblack@google.com if (m_scheduled_events.begin()->first <= now) { 7213513Sgabeblack@google.com transaction_type *trans = m_scheduled_events.begin()->second; 7313513Sgabeblack@google.com m_scheduled_events.erase(m_scheduled_events.begin()); 7413513Sgabeblack@google.com return trans; 7513513Sgabeblack@google.com } 7613511Sgabeblack@google.com 7713513Sgabeblack@google.com m_event.notify(m_scheduled_events.begin()->first - now); 7813511Sgabeblack@google.com 7913513Sgabeblack@google.com return nullptr; 8013513Sgabeblack@google.com } 8113511Sgabeblack@google.com 8213513Sgabeblack@google.com sc_core::sc_event &get_event() { return m_event; } 8313513Sgabeblack@google.com 8413513Sgabeblack@google.com // Cancel all events from the event queue. 8513513Sgabeblack@google.com void 8613513Sgabeblack@google.com cancel_all() 8713513Sgabeblack@google.com { 8813513Sgabeblack@google.com m_scheduled_events.clear(); 8913513Sgabeblack@google.com m_event.cancel(); 9013513Sgabeblack@google.com } 9113513Sgabeblack@google.com 9213513Sgabeblack@google.com private: 9313513Sgabeblack@google.com std::multimap<const sc_core::sc_time, transaction_type *> 9413513Sgabeblack@google.com m_scheduled_events; 9513513Sgabeblack@google.com sc_core::sc_event m_event; 9613511Sgabeblack@google.com}; 9713511Sgabeblack@google.com 9813513Sgabeblack@google.com} // namespace tlm_utils 9913511Sgabeblack@google.com 10013513Sgabeblack@google.com#endif /* __SYSTEMC_EXT_TLM_UTILS_PEQ_WITH_GET_H__ */ 101