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