156 lines
4.4 KiB
C++
Executable file
156 lines
4.4 KiB
C++
Executable file
/*
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* Copyright (c) 2002-2005 The Regents of The University of Michigan
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* Copyright (c) 2007 MIPS Technologies, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Ali Saidi
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* Nathan Binkert
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* Jaidev Patwardhan
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*/
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#include "arch/mips/system.hh"
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#include "arch/vtophys.hh"
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#include "base/loader/hex_file.hh"
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#include "base/loader/object_file.hh"
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#include "base/loader/symtab.hh"
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#include "base/trace.hh"
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#include "mem/physical.hh"
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#include "params/MipsSystem.hh"
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#include "sim/byteswap.hh"
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using namespace LittleEndianGuest;
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MipsSystem::MipsSystem(Params *p) : System(p)
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{
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#if FULL_SYSTEM
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if (p->bare_iron == true) {
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hexFile = new HexFile(params()->hex_file_name);
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if (!hexFile->loadSections(functionalPort))
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panic("Could not load hex file\n");
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}
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Addr addr = 0;
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consoleSymtab = new SymbolTable;
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/**
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* Load the console code into memory
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*/
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// Load Console Code
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console = createObjectFile(params()->console);
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warn("console code is located at: %s\n", params()->console);
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if (console == NULL)
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fatal("Could not load console file %s", params()->console);
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//Load program sections into memory
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console->loadSections(functionalPort, loadAddrMask);
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//load symbols
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if (!console->loadGlobalSymbols(consoleSymtab))
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panic("could not load console symbols\n");
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if (!console->loadGlobalSymbols(debugSymbolTable))
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panic("could not load console symbols\n");
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#ifndef NDEBUG
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consolePanicEvent = addConsoleFuncEvent<BreakPCEvent>("panic");
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#endif
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/**
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* Copy the osflags (kernel arguments) into the consoles
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* memory. (Presently Linux does not use the console service
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* routine to get these command line arguments, but Tru64 and
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* others do.)
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*/
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if (consoleSymtab->findAddress("env_booted_osflags", addr)) {
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warn("writing addr starting from %#x", addr);
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virtPort->writeBlob(addr, (uint8_t*)params()->boot_osflags.c_str(),
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strlen(params()->boot_osflags.c_str()));
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}
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/**
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* Set the hardware reset parameter block system type and revision
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* information to Tsunami.
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*/
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if (consoleSymtab->findAddress("m5_rpb", addr)) {
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uint64_t data;
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data = htog(params()->system_type);
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virtPort->write(addr + 0x50, data);
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data = htog(params()->system_rev);
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virtPort->write(addr + 0x58, data);
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} else {
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panic("could not find hwrpb\n");
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}
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#endif
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}
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MipsSystem::~MipsSystem()
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{
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}
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#if FULL_SYSTEM
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Addr
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MipsSystem::fixFuncEventAddr(Addr addr)
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{
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return addr;
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}
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void
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MipsSystem::setMipsAccess(Addr access)
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{}
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#endif
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bool
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MipsSystem::breakpoint()
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{
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return 0;
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}
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void
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MipsSystem::serialize(std::ostream &os)
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{
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System::serialize(os);
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}
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void
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MipsSystem::unserialize(Checkpoint *cp, const std::string §ion)
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{
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System::unserialize(cp,section);
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}
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MipsSystem *
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MipsSystemParams::create()
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{
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return new MipsSystem(this);
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}
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