sim_object.cc revision 10905
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 <cassert> 34 35#include "base/callback.hh" 36#include "base/inifile.hh" 37#include "base/match.hh" 38#include "base/misc.hh" 39#include "base/trace.hh" 40#include "base/types.hh" 41#include "debug/Checkpoint.hh" 42#include "sim/probe/probe.hh" 43#include "sim/sim_object.hh" 44#include "sim/stats.hh" 45 46using namespace std; 47 48 49//////////////////////////////////////////////////////////////////////// 50// 51// SimObject member definitions 52// 53//////////////////////////////////////////////////////////////////////// 54 55// 56// static list of all SimObjects, used for initialization etc. 57// 58SimObject::SimObjectList SimObject::simObjectList; 59 60// 61// SimObject constructor: used to maintain static simObjectList 62// 63SimObject::SimObject(const Params *p) 64 : EventManager(getEventQueue(p->eventq_index)), _params(p) 65{ 66#ifdef DEBUG 67 doDebugBreak = false; 68#endif 69 simObjectList.push_back(this); 70 probeManager = new ProbeManager(this); 71} 72 73SimObject::~SimObject() 74{ 75 delete probeManager; 76} 77 78void 79SimObject::init() 80{ 81} 82 83void 84SimObject::loadState(CheckpointIn &cp) 85{ 86 if (cp.sectionExists(name())) { 87 DPRINTF(Checkpoint, "unserializing\n"); 88 // This works despite name() returning a fully qualified name 89 // since we are at the top level. 90 unserializeSection(cp, name()); 91 } else { 92 DPRINTF(Checkpoint, "no checkpoint section found\n"); 93 } 94} 95 96void 97SimObject::initState() 98{ 99} 100 101void 102SimObject::startup() 103{ 104} 105 106// 107// no default statistics, so nothing to do in base implementation 108// 109void 110SimObject::regStats() 111{ 112} 113 114void 115SimObject::resetStats() 116{ 117} 118 119/** 120 * No probe points by default, so do nothing in base. 121 */ 122void 123SimObject::regProbePoints() 124{ 125} 126 127/** 128 * No probe listeners by default, so do nothing in base. 129 */ 130void 131SimObject::regProbeListeners() 132{ 133} 134 135ProbeManager * 136SimObject::getProbeManager() 137{ 138 return probeManager; 139} 140 141// 142// static function: serialize all SimObjects. 143// 144void 145SimObject::serializeAll(CheckpointOut &cp) 146{ 147 SimObjectList::reverse_iterator ri = simObjectList.rbegin(); 148 SimObjectList::reverse_iterator rend = simObjectList.rend(); 149 150 for (; ri != rend; ++ri) { 151 SimObject *obj = *ri; 152 // This works despite name() returning a fully qualified name 153 // since we are at the top level. 154 obj->serializeSectionOld(cp, obj->name()); 155 } 156} 157 158 159#ifdef DEBUG 160// 161// static function: flag which objects should have the debugger break 162// 163void 164SimObject::debugObjectBreak(const string &objs) 165{ 166 SimObjectList::const_iterator i = simObjectList.begin(); 167 SimObjectList::const_iterator end = simObjectList.end(); 168 169 ObjectMatch match(objs); 170 for (; i != end; ++i) { 171 SimObject *obj = *i; 172 obj->doDebugBreak = match.match(obj->name()); 173 } 174} 175 176void 177debugObjectBreak(const char *objs) 178{ 179 SimObject::debugObjectBreak(string(objs)); 180} 181#endif 182 183unsigned int 184SimObject::drain(DrainManager *drain_manager) 185{ 186 setDrainState(Drained); 187 return 0; 188} 189 190 191SimObject * 192SimObject::find(const char *name) 193{ 194 SimObjectList::const_iterator i = simObjectList.begin(); 195 SimObjectList::const_iterator end = simObjectList.end(); 196 197 for (; i != end; ++i) { 198 SimObject *obj = *i; 199 if (obj->name() == name) 200 return obj; 201 } 202 203 return NULL; 204} 205