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/*
* Copyright 2018 Google, Inc.
*
* 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: Gabe Black
*/
#include "systemc/utils/tracefile.hh"
#include <ctime>
#include <iomanip>
#include "base/output.hh"
#include "sim/core.hh"
#include "systemc/core/time.hh"
#include "systemc/ext/core/sc_main.hh"
#include "systemc/ext/core/sc_time.hh"
#include "systemc/ext/utils/functions.hh"
namespace sc_gem5
{
TraceFile::TraceFile(const std::string &name) :
_os(simout.create(name, true, true)), timeUnitTicks(0),
timeUnitValue(0.0), timeUnitUnit(::sc_core::SC_PS), _traceDeltas(false)
{}
TraceFile::~TraceFile()
{
simout.close(_os);
}
std::ostream &TraceFile::stream() { return *_os->stream(); }
void
TraceFile::set_time_unit(double d, ::sc_core::sc_time_unit tu)
{
timeUnitValue = d;
timeUnitUnit = tu;
double secs = d * TimeUnitScale[tu];
for (tu = ::sc_core::SC_SEC; tu > ::sc_core::SC_FS;
tu = (::sc_core::sc_time_unit)(tu - 1)) {
if (TimeUnitScale[tu] <= secs)
break;
}
uint64_t i = static_cast<uint64_t>(secs / TimeUnitScale[tu]);
std::ostringstream ss;
ss << i << " " << TimeUnitNames[tu] << " (" << _os->name() << ")";
SC_REPORT_INFO("(I703) tracing timescale unit set", ss.str().c_str());
}
void
TraceFile::finalizeTime()
{
::sc_core::sc_time time;
if (timeUnitValue == 0.0) {
// The time scale was never set. Use the global time resolution.
time = ::sc_core::sc_get_time_resolution();
} else {
time = ::sc_core::sc_time(timeUnitValue, timeUnitUnit);
}
timeUnitTicks = time.value();
}
} // namespace sc_gem5
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