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/*
* Copyright (c) 2003 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.
*/
#include <string>
#include "arch/alpha/pseudo_inst.hh"
#include "cpu/exec_context.hh"
#include "sim/annotation.hh"
#include "sim/param.hh"
#include "sim/serialize.hh"
#include "sim/sim_exit.hh"
#include "sim/sim_stats.hh"
using namespace std;
using namespace Statistics;
namespace AlphaPseudo
{
bool doStatisticsInsts;
bool doCheckpointInsts;
bool doQuiesce;
void
quiesce(ExecContext *xc)
{
if (!doQuiesce)
return;
Annotate::QUIESCE(xc);
xc->setStatus(ExecContext::Suspended);
xc->kernelStats.quiesce();
}
void
m5exit_old(ExecContext *xc)
{
SimExit(curTick, "m5_exit_old instruction encountered");
}
void
m5exit(ExecContext *xc)
{
Tick delay = xc->regs.intRegFile[16];
Tick when = curTick + NS2Ticks(delay);
SimExit(when, "m5_exit instruction encountered");
}
void
resetstats(ExecContext *xc)
{
if (!doStatisticsInsts)
return;
Tick delay = xc->regs.intRegFile[16];
Tick period = xc->regs.intRegFile[17];
Tick when = curTick + NS2Ticks(delay);
Tick repeat = NS2Ticks(period);
SetupEvent(Reset, when, repeat);
}
void
dumpstats(ExecContext *xc)
{
if (!doStatisticsInsts)
return;
Tick delay = xc->regs.intRegFile[16];
Tick period = xc->regs.intRegFile[17];
Tick when = curTick + NS2Ticks(delay);
Tick repeat = NS2Ticks(period);
SetupEvent(Dump, when, repeat);
}
void
dumpresetstats(ExecContext *xc)
{
if (!doStatisticsInsts)
return;
Tick delay = xc->regs.intRegFile[16];
Tick period = xc->regs.intRegFile[17];
Tick when = curTick + NS2Ticks(delay);
Tick repeat = NS2Ticks(period);
SetupEvent(Dump|Reset, when, repeat);
}
void
m5checkpoint(ExecContext *xc)
{
if (!doCheckpointInsts)
return;
Tick delay = xc->regs.intRegFile[16];
Tick period = xc->regs.intRegFile[17];
Tick when = curTick + NS2Ticks(delay);
Tick repeat = NS2Ticks(period);
SetupCheckpoint(when, repeat);
}
class Context : public ParamContext
{
public:
Context(const string §ion) : ParamContext(section) {}
void checkParams();
};
Context context("PseudoInsts");
Param<bool> __quiesce(&context, "quiesce",
"enable quiesce instructions",
true);
Param<bool> __statistics(&context, "statistics",
"enable statistics pseudo instructions",
true);
Param<bool> __checkpoint(&context, "checkpoint",
"enable checkpoint pseudo instructions",
true);
void
Context::checkParams()
{
doQuiesce = __quiesce;
doStatisticsInsts = __statistics;
doCheckpointInsts = __checkpoint;
}
}
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