103 lines
3.2 KiB
C++
103 lines
3.2 KiB
C++
/*
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* Copyright (c) 2004-2006 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: Ali Saidi
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* Lisa Hsu
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* Nathan Binkert
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*/
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/**
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* @file
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* This code loads the linux kernel, console, pal and patches certain
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* functions. The symbol tables are loaded so that traces can show
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* the executing function and we can skip functions. Various delay
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* loops are skipped and their final values manually computed to speed
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* up boot time.
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*/
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#include "arch/mips/linux/system.hh"
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#include "arch/generic/linux/threadinfo.hh"
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#include "arch/mips/idle_event.hh"
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#include "arch/mips/system.hh"
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#include "arch/vtophys.hh"
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#include "base/loader/symtab.hh"
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#include "cpu/base.hh"
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#include "cpu/thread_context.hh"
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#include "debug/Thread.hh"
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#include "dev/platform.hh"
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#include "kern/linux/events.hh"
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#include "kern/linux/printk.hh"
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#include "mem/physical.hh"
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#include "mem/port.hh"
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#include "sim/arguments.hh"
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#include "sim/byteswap.hh"
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using namespace std;
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using namespace MipsISA;
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using namespace Linux;
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LinuxMipsSystem::LinuxMipsSystem(Params *p)
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: MipsSystem(p)
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{
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}
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LinuxMipsSystem::~LinuxMipsSystem()
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{
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}
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void
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LinuxMipsSystem::setDelayLoop(ThreadContext *tc)
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{
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panic("setDelayLoop not implemented.\n");
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}
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void
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LinuxMipsSystem::SkipDelayLoopEvent::process(ThreadContext *tc)
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{
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SkipFuncEvent::process(tc);
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// calculate and set loops_per_jiffy
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((LinuxMipsSystem *)tc->getSystemPtr())->setDelayLoop(tc);
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}
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void
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LinuxMipsSystem::PrintThreadInfo::process(ThreadContext *tc)
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{
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Linux::ThreadInfo ti(tc);
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DPRINTF(Thread, "Currently Executing Thread %s, pid %d, started at: %d\n",
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ti.curTaskName(), ti.curTaskPID(), ti.curTaskStart());
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}
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LinuxMipsSystem *
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LinuxMipsSystemParams::create()
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{
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return new LinuxMipsSystem(this);
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}
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