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/*
* Copyright (c) 2013 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* Copyright (c) 2002-2005 The Regents of The University of Michigan
* Copyright (c) 2013 Advanced Micro Devices, Inc.
* Copyright (c) 2013 Mark D. Hill and David A. Wood
* All rights reserved.
*
* 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: Nathan Binkert
*/
#ifndef __SIM_SIM_EVENTS_HH__
#define __SIM_SIM_EVENTS_HH__
#include "sim/global_event.hh"
#include "sim/serialize.hh"
//
// Event to terminate simulation at a particular cycle/instruction
//
class GlobalSimLoopExitEvent : public GlobalEvent
{
protected:
// string explaining why we're terminating
std::string cause;
int code;
Tick repeat;
public:
// non-scheduling version for createForUnserialize()
GlobalSimLoopExitEvent();
GlobalSimLoopExitEvent(Tick when, const std::string &_cause, int c,
Tick repeat = 0);
const std::string getCause() const { return cause; }
const int getCode() const { return code; }
void process(); // process event
virtual const char *description() const;
};
class LocalSimLoopExitEvent : public Event
{
protected:
// string explaining why we're terminating
std::string cause;
int code;
Tick repeat;
public:
LocalSimLoopExitEvent();
LocalSimLoopExitEvent(const std::string &_cause, int c, Tick repeat = 0);
const std::string getCause() const { return cause; }
const int getCode() const { return code; }
void process(); // process event
virtual const char *description() const;
void serialize(CheckpointOut &cp) const M5_ATTR_OVERRIDE;
void unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE;
static Serializable *createForUnserialize(CheckpointIn &cp,
const std::string §ion);
};
class CountedDrainEvent : public Event
{
private:
// Count of how many objects have not yet drained
int count;
public:
CountedDrainEvent();
void process();
void setCount(int _count) { count = _count; }
const int getCount() const { return count; }
};
//
// Event class to terminate simulation after 'n' related events have
// occurred using a shared counter: used to terminate when *all*
// threads have reached a particular instruction count
//
class CountedExitEvent : public Event
{
private:
std::string cause; // string explaining why we're terminating
int &downCounter; // decrement & terminate if zero
public:
CountedExitEvent(const std::string &_cause, int &_downCounter);
void process(); // process event
virtual const char *description() const;
};
#endif // __SIM_SIM_EVENTS_HH__
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