sim_object.cc revision 11793
1/* 2 * Copyright (c) 2001-2005 The Regents of The University of Michigan 3 * Copyright (c) 2010 Advanced Micro Devices, Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer; 10 * redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution; 13 * neither the name of the copyright holders nor the names of its 14 * contributors may be used to endorse or promote products derived from 15 * this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * Authors: Steve Reinhardt 30 * Nathan Binkert 31 */ 32 33#include "sim/sim_object.hh" 34 35#include <cassert> 36 37#include "base/callback.hh" 38#include "base/inifile.hh" 39#include "base/match.hh" 40#include "base/misc.hh" 41#include "base/trace.hh" 42#include "base/types.hh" 43#include "debug/Checkpoint.hh" 44#include "sim/probe/probe.hh" 45#include "sim/stats.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 61// 62// SimObject constructor: used to maintain static simObjectList 63// 64SimObject::SimObject(const Params *p) 65 : EventManager(getEventQueue(p->eventq_index)), _params(p) 66{ 67#ifdef DEBUG 68 doDebugBreak = false; 69#endif 70 simObjectList.push_back(this); 71 probeManager = new ProbeManager(this); 72} 73 74SimObject::~SimObject() 75{ 76 delete probeManager; 77} 78 79void 80SimObject::init() 81{ 82} 83 84void 85SimObject::loadState(CheckpointIn &cp) 86{ 87 if (cp.sectionExists(name())) { 88 DPRINTF(Checkpoint, "unserializing\n"); 89 // This works despite name() returning a fully qualified name 90 // since we are at the top level. 91 unserializeSection(cp, name()); 92 } else { 93 DPRINTF(Checkpoint, "no checkpoint section found\n"); 94 } 95} 96 97void 98SimObject::initState() 99{ 100} 101 102void 103SimObject::startup() 104{ 105} 106 107// 108// no default statistics, so nothing to do in base implementation 109// 110void 111SimObject::regStats() 112{ 113} 114 115void 116SimObject::resetStats() 117{ 118} 119 120/** 121 * No probe points by default, so do nothing in base. 122 */ 123void 124SimObject::regProbePoints() 125{ 126} 127 128/** 129 * No probe listeners by default, so do nothing in base. 130 */ 131void 132SimObject::regProbeListeners() 133{ 134} 135 136ProbeManager * 137SimObject::getProbeManager() 138{ 139 return probeManager; 140} 141 142// 143// static function: serialize all SimObjects. 144// 145void 146SimObject::serializeAll(CheckpointOut &cp) 147{ 148 SimObjectList::reverse_iterator ri = simObjectList.rbegin(); 149 SimObjectList::reverse_iterator rend = simObjectList.rend(); 150 151 for (; ri != rend; ++ri) { 152 SimObject *obj = *ri; 153 // This works despite name() returning a fully qualified name 154 // since we are at the top level. 155 obj->serializeSection(cp, obj->name()); 156 } 157} 158 159 160#ifdef DEBUG 161// 162// static function: flag which objects should have the debugger break 163// 164void 165SimObject::debugObjectBreak(const string &objs) 166{ 167 SimObjectList::const_iterator i = simObjectList.begin(); 168 SimObjectList::const_iterator end = simObjectList.end(); 169 170 ObjectMatch match(objs); 171 for (; i != end; ++i) { 172 SimObject *obj = *i; 173 obj->doDebugBreak = match.match(obj->name()); 174 } 175} 176 177void 178debugObjectBreak(const char *objs) 179{ 180 SimObject::debugObjectBreak(string(objs)); 181} 182#endif 183 184SimObject * 185SimObject::find(const char *name) 186{ 187 SimObjectList::const_iterator i = simObjectList.begin(); 188 SimObjectList::const_iterator end = simObjectList.end(); 189 190 for (; i != end; ++i) { 191 SimObject *obj = *i; 192 if (obj->name() == name) 193 return obj; 194 } 195 196 return NULL; 197} 198