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/*
* Copyright 2018 Google, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
#ifndef __SYSTEMC_CORE_EVENT_HH__
#define __SYSTEMC_CORE_EVENT_HH__
#include <list>
#include <string>
#include <vector>
#include "sim/eventq.hh"
#include "systemc/core/list.hh"
#include "systemc/core/object.hh"
#include "systemc/core/process.hh"
#include "systemc/core/sched_event.hh"
#include "systemc/core/sensitivity.hh"
#include "systemc/ext/core/sc_prim.hh"
#include "systemc/ext/core/sc_time.hh"
namespace sc_core
{
class sc_event;
} // namespace sc_core
namespace sc_gem5
{
typedef std::vector<sc_core::sc_event *> Events;
class Sensitivity;
class Event
{
public:
Event(sc_core::sc_event *_sc_event, bool internal=false);
Event(sc_core::sc_event *_sc_event, const char *_basename,
bool internal=false);
~Event();
sc_core::sc_event *sc_event() { return _sc_event; }
const std::string &name() const;
const std::string &basename() const;
bool inHierarchy() const;
sc_core::sc_object *getParentObject() const;
void notify(StaticSensitivities &senses);
void notify(DynamicSensitivities &senses);
void notify();
void notify(const sc_core::sc_time &t);
void
notify(double d, sc_core::sc_time_unit &u)
{
notify(sc_core::sc_time(d, u));
}
void notifyDelayed(const sc_core::sc_time &t);
void cancel();
bool triggered() const;
uint64_t triggeredStamp() const { return _triggeredStamp; }
static Event *
getFromScEvent(sc_core::sc_event *e)
{
return e->_gem5_event;
}
static const Event *
getFromScEvent(const sc_core::sc_event *e)
{
return e->_gem5_event;
}
void
addSensitivity(StaticSensitivity *s) const
{
// Insert static sensitivities in reverse order to match Accellera's
// implementation.
auto &senses = s->ofMethod() ? staticSenseMethod : staticSenseThread;
senses.insert(senses.begin(), s);
}
void
delSensitivity(StaticSensitivity *s) const
{
auto &senses = s->ofMethod() ? staticSenseMethod : staticSenseThread;
for (auto &t: senses) {
if (t == s) {
t = senses.back();
senses.pop_back();
break;
}
}
}
void
addSensitivity(DynamicSensitivity *s) const
{
auto &senses = s->ofMethod() ? dynamicSenseMethod : dynamicSenseThread;
senses.push_back(s);
}
void
delSensitivity(DynamicSensitivity *s) const
{
auto &senses = s->ofMethod() ? dynamicSenseMethod : dynamicSenseThread;
for (auto &t: senses) {
if (t == s) {
t = senses.back();
senses.pop_back();
break;
}
}
}
void clearParent();
private:
sc_core::sc_event *_sc_event;
std::string _basename;
std::string _name;
bool _inHierarchy;
sc_core::sc_object *parent;
ScEvent delayedNotify;
mutable uint64_t _triggeredStamp;
mutable StaticSensitivities staticSenseMethod;
mutable StaticSensitivities staticSenseThread;
mutable DynamicSensitivities dynamicSenseMethod;
mutable DynamicSensitivities dynamicSenseThread;
};
extern Events topLevelEvents;
extern Events allEvents;
EventsIt findEvent(const std::string &name);
} // namespace sc_gem5
#endif //__SYSTEMC_CORE_EVENT_HH__
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