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/*
* Copyright (c) 2002-2005 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 <cstring>
#include <fstream>
#include <list>
#include <string>
#include <vector>
#include "base/misc.hh"
#include "base/output.hh"
#include "sim/builder.hh"
#include "sim/host.hh"
#include "sim/sim_events.hh"
#include "sim/sim_object.hh"
#include "sim/root.hh"
using namespace std;
Tick curTick = 0;
ostream *outputStream;
ostream *configStream;
/// The simulated frequency of curTick. (This is only here for a short time)
Tick ticksPerSecond;
namespace Clock {
/// The simulated frequency of curTick. (In ticks per second)
Tick Frequency;
namespace Float {
double s;
double ms;
double us;
double ns;
double ps;
double Hz;
double kHz;
double MHz;
double GHZ;
/* namespace Float */ }
namespace Int {
Tick s;
Tick ms;
Tick us;
Tick ns;
Tick ps;
/* namespace Float */ }
/* namespace Clock */ }
// Dummy Object
class Root : public SimObject
{
private:
Tick max_tick;
Tick progress_interval;
public:
Root(const std::string &name, Tick maxtick, Tick pi)
: SimObject(name), max_tick(maxtick), progress_interval(pi)
{}
virtual void startup();
};
void
Root::startup()
{
if (max_tick != 0)
new SimExitEvent(curTick + max_tick, "reached maximum cycle count");
if (progress_interval != 0)
new ProgressEvent(&mainEventQueue, progress_interval);
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(Root)
Param<Tick> clock;
Param<Tick> max_tick;
Param<Tick> progress_interval;
Param<string> output_file;
END_DECLARE_SIM_OBJECT_PARAMS(Root)
BEGIN_INIT_SIM_OBJECT_PARAMS(Root)
INIT_PARAM(clock, "tick frequency"),
INIT_PARAM(max_tick, "maximum simulation time"),
INIT_PARAM(progress_interval, "print a progress message"),
INIT_PARAM(output_file, "file to dump simulator output to")
END_INIT_SIM_OBJECT_PARAMS(Root)
CREATE_SIM_OBJECT(Root)
{
static bool created = false;
if (created)
panic("only one root object allowed!");
created = true;
outputStream = simout.find(output_file);
Root *root = new Root(getInstanceName(), max_tick, progress_interval);
using namespace Clock;
Frequency = clock;
Float::s = static_cast<double>(Frequency);
Float::ms = Float::s / 1.0e3;
Float::us = Float::s / 1.0e6;
Float::ns = Float::s / 1.0e9;
Float::ps = Float::s / 1.0e12;
Float::Hz = 1.0 / Float::s;
Float::kHz = 1.0 / Float::ms;
Float::MHz = 1.0 / Float::us;
Float::GHZ = 1.0 / Float::ns;
Int::s = Frequency;
Int::ms = Int::s / 1000;
Int::us = Int::ms / 1000;
Int::ns = Int::us / 1000;
Int::ps = Int::ns / 1000;
return root;
}
REGISTER_SIM_OBJECT("Root", Root)
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