event.hh revision 12957
1/* 2 * Copyright 2018 Google, Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer; 8 * redistributions in binary form must reproduce the above copyright 9 * notice, this list of conditions and the following disclaimer in the 10 * documentation and/or other materials provided with the distribution; 11 * neither the name of the copyright holders nor the names of its 12 * contributors may be used to endorse or promote products derived from 13 * this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Authors: Gabe Black 28 */ 29 30#ifndef __SYSTEMC_CORE_EVENT_HH__ 31#define __SYSTEMC_CORE_EVENT_HH__ 32 33#include <set> 34#include <string> 35#include <vector> 36 37#include "sim/eventq.hh" 38#include "systemc/core/list.hh" 39#include "systemc/core/object.hh" 40#include "systemc/ext/core/sc_prim.hh" 41#include "systemc/ext/core/sc_time.hh" 42 43namespace sc_core 44{ 45 46class sc_event; 47 48} // namespace sc_core 49 50namespace sc_gem5 51{ 52 53typedef std::vector<sc_core::sc_event *> Events; 54 55class Sensitivity; 56 57class Event 58{ 59 public: 60 Event(sc_core::sc_event *_sc_event); 61 Event(sc_core::sc_event *_sc_event, const char *_basename); 62 63 ~Event(); 64 65 sc_core::sc_event *sc_event() { return _sc_event; } 66 67 const std::string &name() const; 68 const std::string &basename() const; 69 bool inHierarchy() const; 70 sc_core::sc_object *getParentObject() const; 71 72 void notify(); 73 void notify(const sc_core::sc_time &t); 74 void 75 notify(double d, sc_core::sc_time_unit &u) 76 { 77 notify(sc_core::sc_time(d, u)); 78 } 79 void cancel(); 80 81 bool triggered() const; 82 83 static Event * 84 getFromScEvent(sc_core::sc_event *e) 85 { 86 return e->_gem5_event; 87 } 88 89 static const Event * 90 getFromScEvent(const sc_core::sc_event *e) 91 { 92 return e->_gem5_event; 93 } 94 95 void addSensitivity(Sensitivity *s) const { sensitivities.insert(s); } 96 void delSensitivity(Sensitivity *s) const { sensitivities.erase(s); } 97 98 private: 99 sc_core::sc_event *_sc_event; 100 101 std::string _basename; 102 std::string _name; 103 bool _inHierarchy; 104 105 sc_core::sc_object *parent; 106 EventsIt parentIt; 107 108 EventWrapper<Event, &Event::notify> delayedNotify; 109 110 mutable std::set<Sensitivity *> sensitivities; 111}; 112 113extern Events topLevelEvents; 114extern Events allEvents; 115 116EventsIt findEvent(const std::string &name); 117 118} // namespace sc_gem5 119 120#endif //__SYSTEMC_CORE_EVENT_HH__ 121