sim_object.cc revision 9253:e0d2a8e9f445
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/sim_object.hh" 43#include "sim/stats.hh" 44 45using namespace std; 46 47 48//////////////////////////////////////////////////////////////////////// 49// 50// SimObject member definitions 51// 52//////////////////////////////////////////////////////////////////////// 53 54// 55// static list of all SimObjects, used for initialization etc. 56// 57SimObject::SimObjectList SimObject::simObjectList; 58 59// 60// SimObject constructor: used to maintain static simObjectList 61// 62SimObject::SimObject(const Params *p) 63 : EventManager(p->eventq), _params(p) 64{ 65#ifdef DEBUG 66 doDebugBreak = false; 67#endif 68 69 simObjectList.push_back(this); 70 state = Running; 71} 72 73void 74SimObject::init() 75{ 76} 77 78void 79SimObject::loadState(Checkpoint *cp) 80{ 81 if (cp->sectionExists(name())) { 82 DPRINTF(Checkpoint, "unserializing\n"); 83 unserialize(cp, name()); 84 } else { 85 DPRINTF(Checkpoint, "no checkpoint section found\n"); 86 } 87} 88 89void 90SimObject::initState() 91{ 92} 93 94void 95SimObject::startup() 96{ 97} 98 99// 100// no default statistics, so nothing to do in base implementation 101// 102void 103SimObject::regStats() 104{ 105} 106 107void 108SimObject::resetStats() 109{ 110} 111 112// 113// static function: serialize all SimObjects. 114// 115void 116SimObject::serializeAll(std::ostream &os) 117{ 118 SimObjectList::reverse_iterator ri = simObjectList.rbegin(); 119 SimObjectList::reverse_iterator rend = simObjectList.rend(); 120 121 for (; ri != rend; ++ri) { 122 SimObject *obj = *ri; 123 obj->nameOut(os); 124 obj->serialize(os); 125 } 126} 127 128 129#ifdef DEBUG 130// 131// static function: flag which objects should have the debugger break 132// 133void 134SimObject::debugObjectBreak(const string &objs) 135{ 136 SimObjectList::const_iterator i = simObjectList.begin(); 137 SimObjectList::const_iterator end = simObjectList.end(); 138 139 ObjectMatch match(objs); 140 for (; i != end; ++i) { 141 SimObject *obj = *i; 142 obj->doDebugBreak = match.match(obj->name()); 143 } 144} 145 146void 147debugObjectBreak(const char *objs) 148{ 149 SimObject::debugObjectBreak(string(objs)); 150} 151#endif 152 153unsigned int 154SimObject::drain(Event *drain_event) 155{ 156 state = Drained; 157 return 0; 158} 159 160void 161SimObject::resume() 162{ 163 state = Running; 164} 165 166void 167SimObject::switchOut() 168{ 169 panic("Unimplemented!"); 170} 171 172void 173SimObject::takeOverFrom(BaseCPU *cpu) 174{ 175 panic("Unimplemented!"); 176} 177 178 179SimObject * 180SimObject::find(const char *name) 181{ 182 SimObjectList::const_iterator i = simObjectList.begin(); 183 SimObjectList::const_iterator end = simObjectList.end(); 184 185 for (; i != end; ++i) { 186 SimObject *obj = *i; 187 if (obj->name() == name) 188 return obj; 189 } 190 191 return NULL; 192} 193