sim_object.cc revision 2665:a124942bacb8
1/* 2 * Copyright (c) 2001-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Steve Reinhardt 29 * Nathan Binkert 30 */ 31 32#include <assert.h> 33 34#include "base/callback.hh" 35#include "base/inifile.hh" 36#include "base/match.hh" 37#include "base/misc.hh" 38#include "base/trace.hh" 39#include "base/stats/events.hh" 40#include "base/serializer.hh" 41#include "sim/configfile.hh" 42#include "sim/host.hh" 43#include "sim/sim_object.hh" 44#include "sim/stats.hh" 45#include "sim/param.hh" 46 47using namespace std; 48 49 50//////////////////////////////////////////////////////////////////////// 51// 52// SimObject member definitions 53// 54//////////////////////////////////////////////////////////////////////// 55 56// 57// static list of all SimObjects, used for initialization etc. 58// 59SimObject::SimObjectList SimObject::simObjectList; 60 61namespace Stats { 62 extern ObjectMatch event_ignore; 63} 64 65// 66// SimObject constructor: used to maintain static simObjectList 67// 68SimObject::SimObject(Params *p) 69 : _params(p) 70{ 71#ifdef DEBUG 72 doDebugBreak = false; 73#endif 74 75 doRecordEvent = !Stats::event_ignore.match(name()); 76 simObjectList.push_back(this); 77} 78 79// 80// SimObject constructor: used to maintain static simObjectList 81// 82SimObject::SimObject(const string &_name) 83 : _params(new Params) 84{ 85 _params->name = _name; 86#ifdef DEBUG 87 doDebugBreak = false; 88#endif 89 90 doRecordEvent = !Stats::event_ignore.match(name()); 91 simObjectList.push_back(this); 92} 93 94void 95SimObject::connect() 96{ 97} 98 99void 100SimObject::init() 101{ 102} 103 104// 105// no default statistics, so nothing to do in base implementation 106// 107void 108SimObject::regStats() 109{ 110} 111 112void 113SimObject::regFormulas() 114{ 115} 116 117void 118SimObject::resetStats() 119{ 120} 121 122// 123// static function: 124// call regStats() on all SimObjects and then regFormulas() on all 125// SimObjects. 126// 127struct SimObjectResetCB : public Callback 128{ 129 virtual void process() { SimObject::resetAllStats(); } 130}; 131 132namespace { 133 static SimObjectResetCB StatResetCB; 134} 135 136void 137SimObject::regAllStats() 138{ 139 SimObjectList::iterator i; 140 SimObjectList::iterator end = simObjectList.end(); 141 142 /** 143 * @todo change cprintfs to DPRINTFs 144 */ 145 for (i = simObjectList.begin(); i != end; ++i) { 146#ifdef STAT_DEBUG 147 cprintf("registering stats for %s\n", (*i)->name()); 148#endif 149 (*i)->regStats(); 150 } 151 152 for (i = simObjectList.begin(); i != end; ++i) { 153#ifdef STAT_DEBUG 154 cprintf("registering formulas for %s\n", (*i)->name()); 155#endif 156 (*i)->regFormulas(); 157 } 158 159 Stats::registerResetCallback(&StatResetCB); 160} 161 162// 163// static function: call connect() on all SimObjects. 164// 165void 166SimObject::connectAll() 167{ 168 SimObjectList::iterator i = simObjectList.begin(); 169 SimObjectList::iterator end = simObjectList.end(); 170 171 for (; i != end; ++i) { 172 SimObject *obj = *i; 173 obj->connect(); 174 } 175} 176 177// 178// static function: call init() on all SimObjects. 179// 180void 181SimObject::initAll() 182{ 183 SimObjectList::iterator i = simObjectList.begin(); 184 SimObjectList::iterator end = simObjectList.end(); 185 186 for (; i != end; ++i) { 187 SimObject *obj = *i; 188 obj->init(); 189 } 190} 191 192// 193// static function: call resetStats() on all SimObjects. 194// 195void 196SimObject::resetAllStats() 197{ 198 SimObjectList::iterator i = simObjectList.begin(); 199 SimObjectList::iterator end = simObjectList.end(); 200 201 for (; i != end; ++i) { 202 SimObject *obj = *i; 203 obj->resetStats(); 204 } 205} 206 207// 208// static function: serialize all SimObjects. 209// 210void 211SimObject::serializeAll(ostream &os) 212{ 213 SimObjectList::reverse_iterator ri = simObjectList.rbegin(); 214 SimObjectList::reverse_iterator rend = simObjectList.rend(); 215 216 for (; ri != rend; ++ri) { 217 SimObject *obj = *ri; 218 obj->nameOut(os); 219 obj->serialize(os); 220 } 221} 222 223#ifdef DEBUG 224// 225// static function: flag which objects should have the debugger break 226// 227void 228SimObject::debugObjectBreak(const string &objs) 229{ 230 SimObjectList::const_iterator i = simObjectList.begin(); 231 SimObjectList::const_iterator end = simObjectList.end(); 232 233 ObjectMatch match(objs); 234 for (; i != end; ++i) { 235 SimObject *obj = *i; 236 obj->doDebugBreak = match.match(obj->name()); 237 } 238} 239 240extern "C" 241void 242debugObjectBreak(const char *objs) 243{ 244 SimObject::debugObjectBreak(string(objs)); 245} 246#endif 247 248void 249SimObject::recordEvent(const std::string &stat) 250{ 251 if (doRecordEvent) 252 Stats::recordEvent(stat); 253} 254 255void 256SimObject::drain(Serializer *serializer) 257{ 258 serializer->signalDrained(); 259} 260 261DEFINE_SIM_OBJECT_CLASS_NAME("SimObject", SimObject) 262