d55b25cde6
directly configured by python. Move stuff from root.(cc|hh) to core.(cc|hh) since it really belogs there now. In the process, simplify how ticks are used in the python code. --HG-- extra : convert_revision : cf82ee1ea20f9343924f30bacc2a38d4edee8df3
128 lines
3.9 KiB
C++
128 lines
3.9 KiB
C++
/*
|
|
* 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
|
|
{
|
|
private:
|
|
// string explaining why we're terminating
|
|
std::string cause;
|
|
int code;
|
|
Tick repeat;
|
|
|
|
public:
|
|
// Default constructor. Only really used for derived classes.
|
|
SimLoopExitEvent()
|
|
: Event(&mainEventQueue, Sim_Exit_Pri)
|
|
{ }
|
|
|
|
SimLoopExitEvent(EventQueue *q,
|
|
Tick _when, Tick _repeat, const std::string &_cause,
|
|
int c = 0)
|
|
: Event(q, Sim_Exit_Pri), cause(_cause),
|
|
code(c), repeat(_repeat)
|
|
{ setFlags(IsExitEvent); schedule(_when); }
|
|
|
|
// SimLoopExitEvent(EventQueue *q,
|
|
// Tick _when, const std::string &_cause,
|
|
// Tick _repeat = 0, int c = 0)
|
|
// : Event(q, Sim_Exit_Pri), cause(_cause), code(c), repeat(_repeat)
|
|
// { setFlags(IsExitEvent); schedule(_when); }
|
|
|
|
std::string getCause() { return cause; }
|
|
int getCode() { return code; }
|
|
|
|
void process(); // process event
|
|
|
|
virtual const char *description();
|
|
};
|
|
|
|
class CountedDrainEvent : public SimLoopExitEvent
|
|
{
|
|
private:
|
|
// Count of how many objects have not yet drained
|
|
int count;
|
|
public:
|
|
CountedDrainEvent()
|
|
: count(0)
|
|
{ }
|
|
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(EventQueue *q, const std::string &_cause,
|
|
Tick _when, int &_downCounter);
|
|
|
|
void process(); // process event
|
|
|
|
virtual const char *description();
|
|
};
|
|
|
|
//
|
|
// Event to check swap usage
|
|
//
|
|
class CheckSwapEvent : public Event
|
|
{
|
|
private:
|
|
int interval;
|
|
|
|
public:
|
|
CheckSwapEvent(EventQueue *q, int ival)
|
|
: Event(q), interval(ival)
|
|
{ schedule(curTick + interval); }
|
|
|
|
void process(); // process event
|
|
|
|
virtual const char *description();
|
|
};
|
|
|
|
#endif // __SIM_SIM_EVENTS_HH__
|