into iceaxe.:/Volumes/work/research/m5/merge src/cpu/simple/base.cc: src/kern/kernel_stats.cc: src/kern/kernel_stats.hh: src/kern/system_events.cc: src/kern/system_events.hh: src/python/m5/objects/System.py: src/sim/system.cc: src/sim/system.hh: hand merge --HG-- rename : build/SConstruct => SConstruct rename : SConscript => src/SConscript rename : arch/alpha/freebsd/system.cc => src/arch/alpha/freebsd/system.cc rename : arch/alpha/linux/system.cc => src/arch/alpha/linux/system.cc rename : arch/alpha/linux/system.hh => src/arch/alpha/linux/system.hh rename : arch/alpha/system.cc => src/arch/alpha/system.cc rename : arch/alpha/tru64/system.cc => src/arch/alpha/tru64/system.cc rename : base/statistics.cc => src/base/statistics.cc rename : base/statistics.hh => src/base/statistics.hh rename : base/stats/mysql.cc => src/base/stats/mysql.cc rename : base/stats/mysql.hh => src/base/stats/mysql.hh rename : base/stats/statdb.cc => src/base/stats/statdb.cc rename : base/stats/statdb.hh => src/base/stats/statdb.hh rename : base/stats/text.cc => src/base/stats/text.cc rename : base/stats/text.hh => src/base/stats/text.hh rename : cpu/simple/cpu.cc => src/cpu/simple/base.cc rename : kern/kernel_stats.cc => src/kern/kernel_stats.cc rename : kern/kernel_stats.hh => src/kern/kernel_stats.hh rename : kern/system_events.cc => src/kern/system_events.cc rename : kern/system_events.hh => src/kern/system_events.hh rename : python/m5/objects/System.py => src/python/m5/objects/System.py rename : sim/system.cc => src/sim/system.cc rename : sim/system.hh => src/sim/system.hh rename : test/stattest.cc => src/unittest/stattest.cc extra : convert_revision : 4bb576a2bf5e32784efc48030bd776c6c7c29a7c
287 lines
7.1 KiB
C++
287 lines
7.1 KiB
C++
/*
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* Copyright (c) 2003-2006 The Regents of The University of Michigan
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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: Steve Reinhardt
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* Lisa Hsu
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* Nathan Binkert
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* Ali Saidi
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*/
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#include "arch/isa_traits.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 "cpu/thread_context.hh"
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#include "mem/mem_object.hh"
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#include "mem/physical.hh"
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#include "sim/builder.hh"
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#include "sim/byteswap.hh"
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#include "sim/system.hh"
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#if FULL_SYSTEM
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#include "arch/vtophys.hh"
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#include "base/remote_gdb.hh"
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#include "kern/kernel_stats.hh"
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#endif
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using namespace std;
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using namespace TheISA;
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vector<System *> System::systemList;
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int System::numSystemsRunning = 0;
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System::System(Params *p)
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: SimObject(p->name), physmem(p->physmem), numcpus(0),
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#if FULL_SYSTEM
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init_param(p->init_param),
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functionalPort(p->name + "-fport"),
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virtPort(p->name + "-vport"),
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#else
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page_ptr(0),
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#endif
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_params(p)
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{
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// add self to global system list
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systemList.push_back(this);
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#if FULL_SYSTEM
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kernelSymtab = new SymbolTable;
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debugSymbolTable = new SymbolTable;
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/**
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* Get a functional port to memory
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*/
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Port *mem_port;
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mem_port = physmem->getPort("functional");
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functionalPort.setPeer(mem_port);
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mem_port->setPeer(&functionalPort);
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mem_port = physmem->getPort("functional");
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virtPort.setPeer(mem_port);
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mem_port->setPeer(&virtPort);
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/**
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* Load the kernel code into memory
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*/
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// Load kernel code
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kernel = createObjectFile(params()->kernel_path);
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if (kernel == NULL)
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fatal("Could not load kernel file %s", params()->kernel_path);
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// Load program sections into memory
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kernel->loadSections(&functionalPort, LoadAddrMask);
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// setup entry points
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kernelStart = kernel->textBase();
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kernelEnd = kernel->bssBase() + kernel->bssSize();
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kernelEntry = kernel->entryPoint();
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// load symbols
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if (!kernel->loadGlobalSymbols(kernelSymtab))
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panic("could not load kernel symbols\n");
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if (!kernel->loadLocalSymbols(kernelSymtab))
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panic("could not load kernel local symbols\n");
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if (!kernel->loadGlobalSymbols(debugSymbolTable))
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panic("could not load kernel symbols\n");
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if (!kernel->loadLocalSymbols(debugSymbolTable))
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panic("could not load kernel local symbols\n");
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DPRINTF(Loader, "Kernel start = %#x\n", kernelStart);
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DPRINTF(Loader, "Kernel end = %#x\n", kernelEnd);
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DPRINTF(Loader, "Kernel entry = %#x\n", kernelEntry);
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DPRINTF(Loader, "Kernel loaded...\n");
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kernelBinning = new Kernel::Binning(this);
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#endif // FULL_SYSTEM
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// increment the number of running systms
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numSystemsRunning++;
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}
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System::~System()
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{
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#if FULL_SYSTEM
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delete kernelSymtab;
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delete kernel;
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#else
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panic("System::fixFuncEventAddr needs to be rewritten "
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"to work with syscall emulation");
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#endif // FULL_SYSTEM}
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}
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#if FULL_SYSTEM
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int rgdb_wait = -1;
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#endif // FULL_SYSTEM
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int
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System::registerThreadContext(ThreadContext *tc, int id)
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{
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if (id == -1) {
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for (id = 0; id < threadContexts.size(); id++) {
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if (!threadContexts[id])
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break;
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}
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}
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if (threadContexts.size() <= id)
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threadContexts.resize(id + 1);
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if (threadContexts[id])
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panic("Cannot have two CPUs with the same id (%d)\n", id);
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threadContexts[id] = tc;
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numcpus++;
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#if FULL_SYSTEM
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RemoteGDB *rgdb = new RemoteGDB(this, tc);
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GDBListener *gdbl = new GDBListener(rgdb, 7000 + id);
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gdbl->listen();
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/**
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* Uncommenting this line waits for a remote debugger to connect
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* to the simulator before continuing.
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*/
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if (rgdb_wait != -1 && rgdb_wait == id)
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gdbl->accept();
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if (remoteGDB.size() <= id) {
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remoteGDB.resize(id + 1);
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}
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remoteGDB[id] = rgdb;
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#endif // FULL_SYSTEM
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return id;
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}
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void
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System::startup()
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{
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int i;
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for (i = 0; i < threadContexts.size(); i++)
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threadContexts[i]->activate(0);
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}
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void
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System::replaceThreadContext(ThreadContext *tc, int id)
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{
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if (id >= threadContexts.size()) {
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panic("replaceThreadContext: bad id, %d >= %d\n",
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id, threadContexts.size());
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}
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threadContexts[id] = tc;
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#if FULL_SYSTEM
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remoteGDB[id]->replaceThreadContext(tc);
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#endif // FULL_SYSTEM
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}
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#if !FULL_SYSTEM
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Addr
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System::new_page()
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{
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Addr return_addr = page_ptr << LogVMPageSize;
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++page_ptr;
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return return_addr;
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}
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#endif
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void
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System::serialize(ostream &os)
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{
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#if FULL_SYSTEM
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kernelSymtab->serialize("kernel_symtab", os);
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#endif // FULL_SYSTEM
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}
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void
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System::unserialize(Checkpoint *cp, const string §ion)
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{
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#if FULL_SYSTEM
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kernelSymtab->unserialize("kernel_symtab", cp, section);
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#endif // FULL_SYSTEM
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}
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void
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System::printSystems()
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{
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vector<System *>::iterator i = systemList.begin();
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vector<System *>::iterator end = systemList.end();
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for (; i != end; ++i) {
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System *sys = *i;
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cerr << "System " << sys->name() << ": " << hex << sys << endl;
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}
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}
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extern "C"
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void
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printSystems()
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{
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System::printSystems();
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}
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#if FULL_SYSTEM
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// In full system mode, only derived classes (e.g. AlphaLinuxSystem)
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// can be created directly.
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DEFINE_SIM_OBJECT_CLASS_NAME("System", System)
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#else
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BEGIN_DECLARE_SIM_OBJECT_PARAMS(System)
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SimObjectParam<PhysicalMemory *> physmem;
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END_DECLARE_SIM_OBJECT_PARAMS(System)
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BEGIN_INIT_SIM_OBJECT_PARAMS(System)
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INIT_PARAM(physmem, "physical memory")
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END_INIT_SIM_OBJECT_PARAMS(System)
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CREATE_SIM_OBJECT(System)
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{
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System::Params *p = new System::Params;
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p->name = getInstanceName();
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p->physmem = physmem;
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return new System(p);
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}
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REGISTER_SIM_OBJECT("System", System)
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#endif
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