| /* |
| * 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. |
| */ |
| |
| #ifndef __SIM_SIM_EVENTS_HH__ |
| #define __SIM_SIM_EVENTS_HH__ |
| |
| #include "sim/eventq.hh" |
| |
| // |
| // Event to terminate simulation at a particular cycle/instruction |
| // |
| class SimExitEvent : public Event |
| { |
| private: |
| // string explaining why we're terminating |
| std::string cause; |
| int code; |
| |
| public: |
| SimExitEvent(const std::string &_cause, int c = 0) |
| : Event(&mainEventQueue, Sim_Exit_Pri), cause(_cause), |
| code(c) |
| { schedule(curTick); } |
| |
| SimExitEvent(Tick _when, const std::string &_cause, int c = 0) |
| : Event(&mainEventQueue, Sim_Exit_Pri), cause(_cause), |
| code(c) |
| { schedule(_when); } |
| |
| SimExitEvent(EventQueue *q, const std::string &_cause, int c = 0) |
| : Event(q, Sim_Exit_Pri), cause(_cause), code(c) |
| { schedule(curTick); } |
| |
| SimExitEvent(EventQueue *q, Tick _when, const std::string &_cause, |
| int c = 0) |
| : Event(q, Sim_Exit_Pri), cause(_cause), code(c) |
| { schedule(_when); } |
| |
| void process(); // process event |
| |
| virtual const char *description(); |
| }; |
| |
| // |
| // 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(); |
| }; |
| |
| // |
| // Progress event: print out cycle every so often so we know we're |
| // making forward progress. |
| // |
| class ProgressEvent : public Event |
| { |
| protected: |
| Tick interval; |
| |
| public: |
| ProgressEvent(EventQueue *q, Tick ival) |
| : Event(q), interval(ival) |
| { schedule(curTick + interval); } |
| |
| void process(); // process event |
| |
| virtual const char *description(); |
| }; |
| |
| #endif // __SIM_SIM_EVENTS_HH__ |