sim_object.cc revision 8320
12SN/A/* 21762SN/A * Copyright (c) 2001-2005 The Regents of The University of Michigan 37534Ssteve.reinhardt@amd.com * Copyright (c) 2010 Advanced Micro Devices, Inc. 42SN/A * All rights reserved. 52SN/A * 62SN/A * Redistribution and use in source and binary forms, with or without 72SN/A * modification, are permitted provided that the following conditions are 82SN/A * met: redistributions of source code must retain the above copyright 92SN/A * notice, this list of conditions and the following disclaimer; 102SN/A * redistributions in binary form must reproduce the above copyright 112SN/A * notice, this list of conditions and the following disclaimer in the 122SN/A * documentation and/or other materials provided with the distribution; 132SN/A * neither the name of the copyright holders nor the names of its 142SN/A * contributors may be used to endorse or promote products derived from 152SN/A * this software without specific prior written permission. 162SN/A * 172SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 182SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 192SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 202SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 212SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 222SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 232SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 242SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 252SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 262SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 272SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 282665Ssaidi@eecs.umich.edu * 292665Ssaidi@eecs.umich.edu * Authors: Steve Reinhardt 302665Ssaidi@eecs.umich.edu * Nathan Binkert 312SN/A */ 322SN/A 336216Snate@binkert.org#include <cassert> 342SN/A 35330SN/A#include "base/callback.hh" 3656SN/A#include "base/inifile.hh" 371031SN/A#include "base/match.hh" 38330SN/A#include "base/misc.hh" 39330SN/A#include "base/trace.hh" 406214Snate@binkert.org#include "base/types.hh" 418320Ssteve.reinhardt@amd.com#include "debug/Checkpoint.hh" 42330SN/A#include "sim/sim_object.hh" 43695SN/A#include "sim/stats.hh" 442SN/A 452SN/Ausing namespace std; 462SN/A 472SN/A 482SN/A//////////////////////////////////////////////////////////////////////// 492SN/A// 502SN/A// SimObject member definitions 512SN/A// 522SN/A//////////////////////////////////////////////////////////////////////// 532SN/A 542SN/A// 552SN/A// static list of all SimObjects, used for initialization etc. 562SN/A// 572SN/ASimObject::SimObjectList SimObject::simObjectList; 582SN/A 592SN/A// 602SN/A// SimObject constructor: used to maintain static simObjectList 612SN/A// 624762Snate@binkert.orgSimObject::SimObject(const Params *p) 635605Snate@binkert.org : EventManager(p->eventq), _params(p) 642SN/A{ 651031SN/A#ifdef DEBUG 661031SN/A doDebugBreak = false; 671031SN/A#endif 681031SN/A 691553SN/A simObjectList.push_back(this); 702901Ssaidi@eecs.umich.edu state = Running; 711553SN/A} 721553SN/A 73465SN/Avoid 74465SN/ASimObject::init() 75465SN/A{ 76465SN/A} 77465SN/A 787492Ssteve.reinhardt@amd.comvoid 797532Ssteve.reinhardt@amd.comSimObject::loadState(Checkpoint *cp) 807532Ssteve.reinhardt@amd.com{ 818320Ssteve.reinhardt@amd.com if (cp->sectionExists(name())) { 828320Ssteve.reinhardt@amd.com DPRINTF(Checkpoint, "unserializing\n"); 837532Ssteve.reinhardt@amd.com unserialize(cp, name()); 848320Ssteve.reinhardt@amd.com } else { 858320Ssteve.reinhardt@amd.com DPRINTF(Checkpoint, "no checkpoint section found\n"); 868320Ssteve.reinhardt@amd.com } 877532Ssteve.reinhardt@amd.com} 887532Ssteve.reinhardt@amd.com 897532Ssteve.reinhardt@amd.comvoid 907532Ssteve.reinhardt@amd.comSimObject::initState() 917532Ssteve.reinhardt@amd.com{ 927532Ssteve.reinhardt@amd.com} 937532Ssteve.reinhardt@amd.com 947532Ssteve.reinhardt@amd.comvoid 957492Ssteve.reinhardt@amd.comSimObject::startup() 967492Ssteve.reinhardt@amd.com{ 977492Ssteve.reinhardt@amd.com} 987492Ssteve.reinhardt@amd.com 992SN/A// 1002SN/A// no default statistics, so nothing to do in base implementation 1012SN/A// 1022SN/Avoid 1032SN/ASimObject::regStats() 1042SN/A{ 1052SN/A} 1062SN/A 1072SN/Avoid 1082SN/ASimObject::regFormulas() 1092SN/A{ 1102SN/A} 1112SN/A 112330SN/Avoid 113330SN/ASimObject::resetStats() 114330SN/A{ 115330SN/A} 116330SN/A 1172SN/A// 118395SN/A// static function: serialize all SimObjects. 119395SN/A// 120395SN/Avoid 121395SN/ASimObject::serializeAll(ostream &os) 122395SN/A{ 123573SN/A SimObjectList::reverse_iterator ri = simObjectList.rbegin(); 124573SN/A SimObjectList::reverse_iterator rend = simObjectList.rend(); 125395SN/A 126573SN/A for (; ri != rend; ++ri) { 127573SN/A SimObject *obj = *ri; 128395SN/A obj->nameOut(os); 129395SN/A obj->serialize(os); 130395SN/A } 131395SN/A} 132843SN/A 1337492Ssteve.reinhardt@amd.com 1341031SN/A#ifdef DEBUG 1351031SN/A// 1361031SN/A// static function: flag which objects should have the debugger break 1371031SN/A// 1381031SN/Avoid 1391031SN/ASimObject::debugObjectBreak(const string &objs) 1401031SN/A{ 1411031SN/A SimObjectList::const_iterator i = simObjectList.begin(); 1421031SN/A SimObjectList::const_iterator end = simObjectList.end(); 1431031SN/A 1441031SN/A ObjectMatch match(objs); 1451031SN/A for (; i != end; ++i) { 1461031SN/A SimObject *obj = *i; 1471031SN/A obj->doDebugBreak = match.match(obj->name()); 1481031SN/A } 1491031SN/A} 1501031SN/A 1511031SN/Avoid 1521031SN/AdebugObjectBreak(const char *objs) 1531031SN/A{ 1541031SN/A SimObject::debugObjectBreak(string(objs)); 1551031SN/A} 1561031SN/A#endif 1571031SN/A 1582901Ssaidi@eecs.umich.eduunsigned int 1592839Sktlim@umich.eduSimObject::drain(Event *drain_event) 1602797Sktlim@umich.edu{ 1612901Ssaidi@eecs.umich.edu state = Drained; 1622901Ssaidi@eecs.umich.edu return 0; 1632797Sktlim@umich.edu} 1642797Sktlim@umich.edu 1652609SN/Avoid 1662797Sktlim@umich.eduSimObject::resume() 1672609SN/A{ 1682901Ssaidi@eecs.umich.edu state = Running; 1692797Sktlim@umich.edu} 1702797Sktlim@umich.edu 1712797Sktlim@umich.eduvoid 1722797Sktlim@umich.eduSimObject::setMemoryMode(State new_mode) 1732797Sktlim@umich.edu{ 1742901Ssaidi@eecs.umich.edu panic("setMemoryMode() should only be called on systems"); 1752797Sktlim@umich.edu} 1762797Sktlim@umich.edu 1772797Sktlim@umich.eduvoid 1782797Sktlim@umich.eduSimObject::switchOut() 1792797Sktlim@umich.edu{ 1802797Sktlim@umich.edu panic("Unimplemented!"); 1812797Sktlim@umich.edu} 1822797Sktlim@umich.edu 1832797Sktlim@umich.eduvoid 1842797Sktlim@umich.eduSimObject::takeOverFrom(BaseCPU *cpu) 1852797Sktlim@umich.edu{ 1862797Sktlim@umich.edu panic("Unimplemented!"); 1872609SN/A} 1885314Sstever@gmail.com 1895314Sstever@gmail.com 1905314Sstever@gmail.comSimObject * 1915314Sstever@gmail.comSimObject::find(const char *name) 1925314Sstever@gmail.com{ 1935314Sstever@gmail.com SimObjectList::const_iterator i = simObjectList.begin(); 1945314Sstever@gmail.com SimObjectList::const_iterator end = simObjectList.end(); 1955314Sstever@gmail.com 1965314Sstever@gmail.com for (; i != end; ++i) { 1975314Sstever@gmail.com SimObject *obj = *i; 1985314Sstever@gmail.com if (obj->name() == name) 1995314Sstever@gmail.com return obj; 2005314Sstever@gmail.com } 2015314Sstever@gmail.com 2025314Sstever@gmail.com return NULL; 2035314Sstever@gmail.com} 204