1/*
2 * Copyright 2018 Google, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer;
8 * redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution;
11 * neither the name of the copyright holders nor the names of its
12 * contributors may be used to endorse or promote products derived from
13 * this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 * Authors: Gabe Black
28 */
29
30#include "systemc/utils/tracefile.hh"
31
32#include <ctime>
33#include <iomanip>
34
35#include "base/output.hh"
36#include "sim/core.hh"
37#include "systemc/core/time.hh"
38#include "systemc/ext/core/sc_main.hh"
39#include "systemc/ext/core/sc_time.hh"
40#include "systemc/ext/utils/functions.hh"
41
42namespace sc_gem5
43{
44
45TraceFile::TraceFile(const std::string &name) :
46    _os(simout.create(name, true, true)), timeUnitTicks(0),
47    timeUnitValue(0.0), timeUnitUnit(::sc_core::SC_PS), _traceDeltas(false)
48{}
49
50TraceFile::~TraceFile()
51{
52    simout.close(_os);
53}
54
55std::ostream &TraceFile::stream() { return *_os->stream(); }
56
57void
58TraceFile::set_time_unit(double d, ::sc_core::sc_time_unit tu)
59{
60    timeUnitValue = d;
61    timeUnitUnit = tu;
62
63    double secs = d * TimeUnitScale[tu];
64    for (tu = ::sc_core::SC_SEC; tu > ::sc_core::SC_FS;
65            tu = (::sc_core::sc_time_unit)(tu - 1)) {
66        if (TimeUnitScale[tu] <= secs)
67            break;
68    }
69
70    uint64_t i = static_cast<uint64_t>(secs / TimeUnitScale[tu]);
71    std::ostringstream ss;
72    ss << i << " " << TimeUnitNames[tu] << " (" << _os->name() << ")";
73    SC_REPORT_INFO("(I703) tracing timescale unit set", ss.str().c_str());
74}
75
76void
77TraceFile::finalizeTime()
78{
79    ::sc_core::sc_time time;
80    if (timeUnitValue == 0.0) {
81        // The time scale was never set. Use the global time resolution.
82        time = ::sc_core::sc_get_time_resolution();
83    } else {
84        time = ::sc_core::sc_time(timeUnitValue, timeUnitUnit);
85    }
86    timeUnitTicks = time.value();
87}
88
89} // namespace sc_gem5
90