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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
*/
#ifndef __SYSTEMC_UTILS_TRACEFILE_HH__
#define __SYSTEMC_UTILS_TRACEFILE_HH__
#include <iostream>
#include <string>
#include <vector>
#include "systemc/core/event.hh"
#include "systemc/ext/channel/sc_signal_in_if.hh"
#include "systemc/ext/core/sc_event.hh"
#include "systemc/ext/dt/fx/sc_fxnum.hh"
#include "systemc/ext/utils/sc_trace_file.hh"
class OutputStream;
namespace sc_gem5
{
class TraceValBase
{
protected:
int _width;
public:
TraceValBase(int _width) : _width(_width) {}
virtual ~TraceValBase() {}
int width() { return _width; }
virtual void finalize() {};
virtual bool check() = 0;
};
template <typename T, typename Base=TraceValBase>
class TraceVal : public Base
{
private:
const T *t;
T oldVal;
public:
TraceVal(const T *_t, int _width) : Base(_width), t(_t), oldVal(*t)
{}
~TraceVal() {}
void finalize() override { oldVal = *t; }
const T &value() { return oldVal; }
bool
check() override
{
bool changed = (*t != oldVal);
oldVal = *t;
return changed;
}
};
template <typename T, typename Base>
class TraceVal<::sc_core::sc_signal_in_if<T>, Base> : public Base
{
private:
const ::sc_core::sc_signal_in_if<T> *iface;
T oldVal;
public:
TraceVal(const ::sc_core::sc_signal_in_if<T> *_iface, int _width) :
Base(_width), iface(_iface), oldVal(iface->read())
{}
~TraceVal() {}
void finalize() override { oldVal = iface->read(); }
const T &value() { return oldVal; }
bool
check() override
{
T newVal = iface->read();
bool changed = (newVal != oldVal);
oldVal = newVal;
return changed;
}
};
template <typename Base>
class TraceVal<::sc_core::sc_event, Base> : public Base
{
private:
bool triggered;
uint64_t oldStamp;
const Event *event;
public:
TraceVal(const ::sc_core::sc_event *_event, int _width) :
Base(_width), triggered(false), oldStamp(0),
event(Event::getFromScEvent(_event))
{}
~TraceVal() {}
bool value() { return triggered; }
void finalize() override { oldStamp = event->triggeredStamp(); }
bool
check() override
{
uint64_t newStamp = event->triggeredStamp();
triggered = (oldStamp != newStamp);
oldStamp = newStamp;
return triggered;
}
};
template <typename T, typename Base>
class TraceValFxnumBase : public Base
{
private:
const T *t;
T oldVal;
public:
TraceValFxnumBase(const T *_t, int _width) :
Base(_width), t(_t),
oldVal(_t->m_params.type_params(), _t->m_params.enc(),
_t->m_params.cast_switch(), 0)
{}
~TraceValFxnumBase() {}
void
finalize() override
{
oldVal = *t;
this->_width = t->wl();
}
const T &value() { return oldVal; }
bool
check() override
{
bool changed = (*t != oldVal);
oldVal = *t;
return changed;
}
};
template <typename Base>
class TraceVal<::sc_dt::sc_fxnum, Base> :
public TraceValFxnumBase<::sc_dt::sc_fxnum, Base>
{
public:
using TraceValFxnumBase<::sc_dt::sc_fxnum, Base>::TraceValFxnumBase;
~TraceVal() {}
};
template <typename Base>
class TraceVal<::sc_dt::sc_fxnum_fast, Base> :
public TraceValFxnumBase<::sc_dt::sc_fxnum_fast, Base>
{
public:
using TraceValFxnumBase<::sc_dt::sc_fxnum_fast, Base>::TraceValFxnumBase;
~TraceVal() {}
};
class TraceFile : public sc_core::sc_trace_file
{
protected:
OutputStream *_os;
uint64_t timeUnitTicks;
double timeUnitValue;
::sc_core::sc_time_unit timeUnitUnit;
bool _traceDeltas;
TraceFile(const std::string &name);
std::ostream &stream();
public:
~TraceFile();
void traceDeltas(bool on) { _traceDeltas = on; }
void set_time_unit(double, ::sc_core::sc_time_unit) override;
void finalizeTime();
virtual void trace(bool delta) = 0;
virtual void addTraceVal(const bool *v, const std::string &name) = 0;
virtual void addTraceVal(const float *v, const std::string &name) = 0;
virtual void addTraceVal(const double *v, const std::string &name) = 0;
virtual void addTraceVal(const sc_dt::sc_logic *v,
const std::string &name) = 0;
virtual void addTraceVal(const sc_dt::sc_int_base *v,
const std::string &name) = 0;
virtual void addTraceVal(const sc_dt::sc_uint_base *v,
const std::string &name) = 0;
virtual void addTraceVal(const sc_dt::sc_signed *v,
const std::string &name) = 0;
virtual void addTraceVal(const sc_dt::sc_unsigned *v,
const std::string &name) = 0;
virtual void addTraceVal(const sc_dt::sc_bv_base *v,
const std::string &name) = 0;
virtual void addTraceVal(const sc_dt::sc_lv_base *v,
const std::string &name) = 0;
virtual void addTraceVal(const sc_dt::sc_fxval *v,
const std::string &name) = 0;
virtual void addTraceVal(const sc_dt::sc_fxval_fast *v,
const std::string &name) = 0;
virtual void addTraceVal(const sc_dt::sc_fxnum *v,
const std::string &name) = 0;
virtual void addTraceVal(const sc_dt::sc_fxnum_fast *v,
const std::string &name) = 0;
virtual void addTraceVal(const sc_core::sc_event *v,
const std::string &name) = 0;
virtual void addTraceVal(const sc_core::sc_time *v,
const std::string &name) = 0;
virtual void addTraceVal(const unsigned char *v,
const std::string &name, int width) = 0;
virtual void addTraceVal(const char *v, const std::string &name,
int width) = 0;
virtual void addTraceVal(const unsigned short *v,
const std::string &name, int width) = 0;
virtual void addTraceVal(const short *v, const std::string &name,
int width) = 0;
virtual void addTraceVal(const unsigned int *v,
const std::string &name, int width) = 0;
virtual void addTraceVal(const int *v, const std::string &name,
int width) = 0;
virtual void addTraceVal(const unsigned long *v,
const std::string &name, int width) = 0;
virtual void addTraceVal(const long *v, const std::string &name,
int width) = 0;
virtual void addTraceVal(const sc_dt::int64 *v,
const std::string &name, int width) = 0;
virtual void addTraceVal(const sc_dt::uint64 *v,
const std::string &name, int width) = 0;
virtual void addTraceVal(const unsigned int *,
const std::string &name,
const char **literals) = 0;
virtual void writeComment(const std::string &comment) = 0;
};
} // namespace sc_gem5
#endif // __SYSTEMC_UTILS_TRACEFILE_HH__
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