event.cc (12957:e54f9890363d) event.cc (12962:004cc9133bd6)
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

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38#include "systemc/core/scheduler.hh"
39
40namespace sc_gem5
41{
42
43Event::Event(sc_core::sc_event *_sc_event) : Event(_sc_event, "") {}
44
45Event::Event(sc_core::sc_event *_sc_event, const char *_basename) :
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

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38#include "systemc/core/scheduler.hh"
39
40namespace sc_gem5
41{
42
43Event::Event(sc_core::sc_event *_sc_event) : Event(_sc_event, "") {}
44
45Event::Event(sc_core::sc_event *_sc_event, const char *_basename) :
46 _sc_event(_sc_event), _basename(_basename), delayedNotify(this)
46 _sc_event(_sc_event), _basename(_basename), delayedNotifyEvent(this)
47{
48 Module *p = currentModule();
49
50 if (p)
51 parent = p->obj()->sc_obj();
52 else if (scheduler.current())
53 parent = scheduler.current();
54

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116Event::notify()
117{
118 auto local_sensitivities = sensitivities;
119 for (auto s: local_sensitivities)
120 s->notify(this);
121}
122
123void
47{
48 Module *p = currentModule();
49
50 if (p)
51 parent = p->obj()->sc_obj();
52 else if (scheduler.current())
53 parent = scheduler.current();
54

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116Event::notify()
117{
118 auto local_sensitivities = sensitivities;
119 for (auto s: local_sensitivities)
120 s->notify(this);
121}
122
123void
124Event::delayedNotify()
125{
126 scheduler.eventHappened();
127 notify();
128}
129
130void
124Event::notify(const sc_core::sc_time &t)
125{
126 //XXX We're assuming the systemc time resolution is in ps.
131Event::notify(const sc_core::sc_time &t)
132{
133 //XXX We're assuming the systemc time resolution is in ps.
127 Tick new_tick = t.value() * SimClock::Int::ps +
128 scheduler.eventQueue().getCurTick();
129 if (delayedNotify.scheduled()) {
130 Tick old_tick = delayedNotify.when();
134 Tick new_tick = t.value() * SimClock::Int::ps + scheduler.getCurTick();
135 if (delayedNotifyEvent.scheduled()) {
136 Tick old_tick = delayedNotifyEvent.when();
131
132 if (new_tick >= old_tick)
133 return;
134
137
138 if (new_tick >= old_tick)
139 return;
140
135 scheduler.eventQueue().deschedule(&delayedNotify);
141 scheduler.deschedule(&delayedNotifyEvent);
136 }
137
142 }
143
138 scheduler.eventQueue().schedule(&delayedNotify, new_tick);
144 scheduler.schedule(&delayedNotifyEvent, new_tick);
139}
140
141void
142Event::cancel()
143{
145}
146
147void
148Event::cancel()
149{
144 if (delayedNotify.scheduled())
145 scheduler.eventQueue().deschedule(&delayedNotify);
150 if (delayedNotifyEvent.scheduled())
151 scheduler.deschedule(&delayedNotifyEvent);
146}
147
148bool
149Event::triggered() const
150{
151 return false;
152}
153

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153
154bool
155Event::triggered() const
156{
157 return false;
158}
159

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