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/*
* Copyright (c) 2002-2005 The Regents of The University of Michigan
* 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/eventq.hh"
//
// Event to terminate simulation at a particular cycle/instruction
//
class SimLoopExitEvent : public Event
{
protected:
// string explaining why we're terminating
std::string cause;
int code;
Tick repeat;
public:
SimLoopExitEvent(const std::string &_cause, int c, Tick repeat = 0);
std::string getCause() { return cause; }
int getCode() { return code; }
void process(); // process event
virtual const char *description() const;
};
class CountedDrainEvent : public SimLoopExitEvent
{
private:
// Count of how many objects have not yet drained
int count;
public:
CountedDrainEvent();
void process();
void setCount(int _count) { count = _count; }
int getCount() { 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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