sim_events.hh revision 7820:4ee66d8c1dd8
12SN/A/* 21762SN/A * Copyright (c) 2002-2005 The Regents of The University of Michigan 32SN/A * All rights reserved. 42SN/A * 52SN/A * Redistribution and use in source and binary forms, with or without 62SN/A * modification, are permitted provided that the following conditions are 72SN/A * met: redistributions of source code must retain the above copyright 82SN/A * notice, this list of conditions and the following disclaimer; 92SN/A * redistributions in binary form must reproduce the above copyright 102SN/A * notice, this list of conditions and the following disclaimer in the 112SN/A * documentation and/or other materials provided with the distribution; 122SN/A * neither the name of the copyright holders nor the names of its 132SN/A * contributors may be used to endorse or promote products derived from 142SN/A * this software without specific prior written permission. 152SN/A * 162SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Nathan Binkert 292SN/A */ 302SN/A 312SN/A#ifndef __SIM_SIM_EVENTS_HH__ 322SN/A#define __SIM_SIM_EVENTS_HH__ 332SN/A 342SN/A#include "sim/eventq.hh" 352SN/A 3656SN/A// 372SN/A// Event to terminate simulation at a particular cycle/instruction 382SN/A// 392SN/Aclass SimLoopExitEvent : public Event 402SN/A{ 412SN/A protected: 42492SN/A // string explaining why we're terminating 43492SN/A std::string cause; 44492SN/A int code; 45492SN/A Tick repeat; 46492SN/A 47492SN/A public: 48492SN/A SimLoopExitEvent(const std::string &_cause, int c, Tick repeat = 0); 49492SN/A 502SN/A std::string getCause() { return cause; } 512SN/A int getCode() { return code; } 522SN/A 53492SN/A void process(); // process event 54492SN/A 55492SN/A virtual const char *description() const; 562SN/A}; 572SN/A 582SN/Aclass CountedDrainEvent : public SimLoopExitEvent 592SN/A{ 602SN/A private: 612SN/A // Count of how many objects have not yet drained 622SN/A int count; 632SN/A 642SN/A public: 652SN/A CountedDrainEvent(); 662SN/A 672SN/A void process(); 682SN/A 692SN/A void setCount(int _count) { count = _count; } 70448SN/A 712SN/A int getCount() { return count; } 722SN/A}; 732SN/A 742SN/A// 752SN/A// Event class to terminate simulation after 'n' related events have 762SN/A// occurred using a shared counter: used to terminate when *all* 772SN/A// threads have reached a particular instruction count 782SN/A// 792SN/Aclass CountedExitEvent : public Event 802SN/A{ 812SN/A private: 822SN/A std::string cause; // string explaining why we're terminating 832SN/A int &downCounter; // decrement & terminate if zero 842SN/A 852SN/A public: 862SN/A CountedExitEvent(const std::string &_cause, int &_downCounter); 872SN/A 882SN/A void process(); // process event 892SN/A 902SN/A virtual const char *description() const; 912SN/A}; 922SN/A 932SN/A 942SN/A#endif // __SIM_SIM_EVENTS_HH__ 952SN/A