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