system.cc revision 7723
15222Sksewell@umich.edu/* 25268Sksewell@umich.edu * Copyright (c) 2002-2005 The Regents of The University of Michigan 35254Sksewell@umich.edu * Copyright (c) 2007 MIPS Technologies, Inc. 45254Sksewell@umich.edu * All rights reserved. 55222Sksewell@umich.edu * 65254Sksewell@umich.edu * Redistribution and use in source and binary forms, with or without 75254Sksewell@umich.edu * modification, are permitted provided that the following conditions are 85254Sksewell@umich.edu * met: redistributions of source code must retain the above copyright 95254Sksewell@umich.edu * notice, this list of conditions and the following disclaimer; 105254Sksewell@umich.edu * redistributions in binary form must reproduce the above copyright 115254Sksewell@umich.edu * notice, this list of conditions and the following disclaimer in the 125254Sksewell@umich.edu * documentation and/or other materials provided with the distribution; 135254Sksewell@umich.edu * neither the name of the copyright holders nor the names of its 145254Sksewell@umich.edu * contributors may be used to endorse or promote products derived from 155254Sksewell@umich.edu * this software without specific prior written permission. 165222Sksewell@umich.edu * 175254Sksewell@umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 185254Sksewell@umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 195254Sksewell@umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 205254Sksewell@umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 215254Sksewell@umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 225254Sksewell@umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 235254Sksewell@umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 245254Sksewell@umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 255254Sksewell@umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 265254Sksewell@umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 275254Sksewell@umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 285222Sksewell@umich.edu * 295254Sksewell@umich.edu * Authors: Ali Saidi 305254Sksewell@umich.edu * Nathan Binkert 315222Sksewell@umich.edu * Jaidev Patwardhan 325222Sksewell@umich.edu */ 335222Sksewell@umich.edu 345222Sksewell@umich.edu#include "arch/mips/system.hh" 355222Sksewell@umich.edu#include "arch/vtophys.hh" 365222Sksewell@umich.edu#include "base/loader/object_file.hh" 375222Sksewell@umich.edu#include "base/loader/hex_file.hh" 385222Sksewell@umich.edu#include "base/loader/symtab.hh" 395222Sksewell@umich.edu#include "base/trace.hh" 405222Sksewell@umich.edu#include "mem/physical.hh" 415222Sksewell@umich.edu#include "params/MipsSystem.hh" 425222Sksewell@umich.edu#include "sim/byteswap.hh" 435222Sksewell@umich.edu 445222Sksewell@umich.edu 455222Sksewell@umich.eduusing namespace LittleEndianGuest; 465222Sksewell@umich.edu 476378Sgblack@eecs.umich.eduMipsSystem::MipsSystem(Params *p) : System(p) 485222Sksewell@umich.edu{ 495222Sksewell@umich.edu 505222Sksewell@umich.edu#if FULL_SYSTEM 515222Sksewell@umich.edu if (p->bare_iron == true) { 525222Sksewell@umich.edu hexFile = new HexFile(params()->hex_file_name); 537723SAli.Saidi@ARM.com if (!hexFile->loadSections(functionalPort)) 545222Sksewell@umich.edu panic("Could not load hex file\n"); 555222Sksewell@umich.edu } 565222Sksewell@umich.edu 575222Sksewell@umich.edu Addr addr = 0; 585222Sksewell@umich.edu 595222Sksewell@umich.edu consoleSymtab = new SymbolTable; 605222Sksewell@umich.edu 615222Sksewell@umich.edu 625222Sksewell@umich.edu /** 635222Sksewell@umich.edu * Load the console code into memory 645222Sksewell@umich.edu */ 655222Sksewell@umich.edu // Load Console Code 665222Sksewell@umich.edu console = createObjectFile(params()->console); 675222Sksewell@umich.edu 685222Sksewell@umich.edu warn("console code is located at: %s\n", params()->console); 695222Sksewell@umich.edu 705222Sksewell@umich.edu if (console == NULL) 715222Sksewell@umich.edu fatal("Could not load console file %s", params()->console); 725222Sksewell@umich.edu //Load program sections into memory 737723SAli.Saidi@ARM.com console->loadSections(functionalPort, loadAddrMask); 745222Sksewell@umich.edu 755222Sksewell@umich.edu //load symbols 765222Sksewell@umich.edu if (!console->loadGlobalSymbols(consoleSymtab)) 775222Sksewell@umich.edu panic("could not load console symbols\n"); 785222Sksewell@umich.edu 795222Sksewell@umich.edu if (!console->loadGlobalSymbols(debugSymbolTable)) 805222Sksewell@umich.edu panic("could not load console symbols\n"); 815222Sksewell@umich.edu 825222Sksewell@umich.edu 835222Sksewell@umich.edu#ifndef NDEBUG 845222Sksewell@umich.edu consolePanicEvent = addConsoleFuncEvent<BreakPCEvent>("panic"); 855222Sksewell@umich.edu#endif 865222Sksewell@umich.edu 875222Sksewell@umich.edu /** 885222Sksewell@umich.edu * Copy the osflags (kernel arguments) into the consoles 895222Sksewell@umich.edu * memory. (Presently Linux does not use the console service 905222Sksewell@umich.edu * routine to get these command line arguments, but Tru64 and 915222Sksewell@umich.edu * others do.) 925222Sksewell@umich.edu */ 935222Sksewell@umich.edu if (consoleSymtab->findAddress("env_booted_osflags", addr)) { 945222Sksewell@umich.edu warn("writing addr starting from %#x", addr); 957723SAli.Saidi@ARM.com virtPort->writeBlob(addr, (uint8_t*)params()->boot_osflags.c_str(), 965222Sksewell@umich.edu strlen(params()->boot_osflags.c_str())); 975222Sksewell@umich.edu } 985222Sksewell@umich.edu 995222Sksewell@umich.edu /** 1005222Sksewell@umich.edu * Set the hardware reset parameter block system type and revision 1015222Sksewell@umich.edu * information to Tsunami. 1025222Sksewell@umich.edu */ 1035222Sksewell@umich.edu if (consoleSymtab->findAddress("m5_rpb", addr)) { 1045222Sksewell@umich.edu uint64_t data; 1055222Sksewell@umich.edu data = htog(params()->system_type); 1067723SAli.Saidi@ARM.com virtPort->write(addr + 0x50, data); 1075222Sksewell@umich.edu data = htog(params()->system_rev); 1087723SAli.Saidi@ARM.com virtPort->write(addr + 0x58, data); 1096378Sgblack@eecs.umich.edu } else { 1105222Sksewell@umich.edu panic("could not find hwrpb\n"); 1116378Sgblack@eecs.umich.edu } 1125222Sksewell@umich.edu#endif 1135222Sksewell@umich.edu} 1145222Sksewell@umich.edu 1155222Sksewell@umich.eduMipsSystem::~MipsSystem() 1165222Sksewell@umich.edu{ 1175222Sksewell@umich.edu} 1186378Sgblack@eecs.umich.edu 1195222Sksewell@umich.edu#if FULL_SYSTEM 1205222Sksewell@umich.eduAddr 1215222Sksewell@umich.eduMipsSystem::fixFuncEventAddr(Addr addr) 1225222Sksewell@umich.edu{ 1236378Sgblack@eecs.umich.edu return addr; 1245222Sksewell@umich.edu} 1255222Sksewell@umich.edu 1265222Sksewell@umich.eduvoid 1275222Sksewell@umich.eduMipsSystem::setMipsAccess(Addr access) 1286378Sgblack@eecs.umich.edu{} 1295222Sksewell@umich.edu 1305222Sksewell@umich.edu#endif 1315222Sksewell@umich.edu 1325222Sksewell@umich.edubool 1335222Sksewell@umich.eduMipsSystem::breakpoint() 1345222Sksewell@umich.edu{ 1356378Sgblack@eecs.umich.edu return 0; 1365222Sksewell@umich.edu} 1375222Sksewell@umich.edu 1385222Sksewell@umich.eduvoid 1395222Sksewell@umich.eduMipsSystem::serialize(std::ostream &os) 1405222Sksewell@umich.edu{ 1415222Sksewell@umich.edu System::serialize(os); 1425222Sksewell@umich.edu} 1435222Sksewell@umich.edu 1445222Sksewell@umich.edu 1455222Sksewell@umich.eduvoid 1465222Sksewell@umich.eduMipsSystem::unserialize(Checkpoint *cp, const std::string §ion) 1475222Sksewell@umich.edu{ 1485222Sksewell@umich.edu System::unserialize(cp,section); 1495222Sksewell@umich.edu} 1505222Sksewell@umich.edu 1515222Sksewell@umich.eduMipsSystem * 1525222Sksewell@umich.eduMipsSystemParams::create() 1535222Sksewell@umich.edu{ 1545222Sksewell@umich.edu return new MipsSystem(this); 1555222Sksewell@umich.edu} 1565222Sksewell@umich.edu 157