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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_VCD_HH__
#define __SYSTEMC_UTILS_VCD_HH__
#include <map>
#include "systemc/utils/tracefile.hh"
namespace sc_gem5
{
class VcdTraceValBase;
class VcdTraceScope
{
private:
std::vector<std::pair<std::string, VcdTraceValBase *>> values;
std::map<std::string, VcdTraceScope *> scopes;
public:
void addValue(const std::string &name, VcdTraceValBase *value);
void output(const std::string &name, std::ostream &os);
};
class VcdTraceFile : public TraceFile
{
private:
Tick lastPrintedTime;
uint64_t deltasAtNow;
static const int NextNameChars = 5;
char _nextName[NextNameChars + 1];
std::string nextSignalName();
bool initialized;
void initialize();
std::vector<VcdTraceValBase *> traceVals;
VcdTraceScope topScope;
public:
VcdTraceFile(const std::string &name) :
TraceFile(name + ".vcd"), lastPrintedTime(0), deltasAtNow(0),
initialized(false)
{
_nextName[NextNameChars] = '\0';
for (int i = 0; i < NextNameChars; i++)
_nextName[i] = 'a';
}
~VcdTraceFile();
void trace(bool delta) override;
template<typename TV>
void
addNewTraceVal(const typename TV::TracedType *v, const std::string &name,
int width=1)
{
VcdTraceValBase *tv = new TV(v, nextSignalName(), width);
traceVals.push_back(tv);
topScope.addValue(name, tv);
}
void addTraceVal(const bool *v, const std::string &name) override;
void addTraceVal(const float *v, const std::string &name) override;
void addTraceVal(const double *v, const std::string &name) override;
void addTraceVal(const sc_dt::sc_logic *v,
const std::string &name) override;
void addTraceVal(const sc_dt::sc_int_base *v,
const std::string &name) override;
void addTraceVal(const sc_dt::sc_uint_base *v,
const std::string &name) override;
void addTraceVal(const sc_dt::sc_signed *v,
const std::string &name) override;
void addTraceVal(const sc_dt::sc_unsigned *v,
const std::string &name) override;
void addTraceVal(const sc_dt::sc_bv_base *v,
const std::string &name) override;
void addTraceVal(const sc_dt::sc_lv_base *v,
const std::string &name) override;
void addTraceVal(const sc_dt::sc_fxval *v,
const std::string &name) override;
void addTraceVal(const sc_dt::sc_fxval_fast *v,
const std::string &name) override;
void addTraceVal(const sc_dt::sc_fxnum *v,
const std::string &name) override;
void addTraceVal(const sc_dt::sc_fxnum_fast *v,
const std::string &name) override;
void addTraceVal(const sc_core::sc_event *v,
const std::string &name) override;
void addTraceVal(const sc_core::sc_time *v,
const std::string &name) override;
void addTraceVal(const unsigned char *v,
const std::string &name, int width) override;
void addTraceVal(const char *v, const std::string &name,
int width) override;
void addTraceVal(const unsigned short *v,
const std::string &name, int width) override;
void addTraceVal(const short *v, const std::string &name,
int width) override;
void addTraceVal(const unsigned int *v,
const std::string &name, int width) override;
void addTraceVal(const int *v, const std::string &name,
int width) override;
void addTraceVal(const unsigned long *v,
const std::string &name, int width) override;
void addTraceVal(const long *v, const std::string &name,
int width) override;
void addTraceVal(const sc_dt::int64 *v,
const std::string &name, int width) override;
void addTraceVal(const sc_dt::uint64 *v,
const std::string &name, int width) override;
void addTraceVal(const unsigned int *, const std::string &name,
const char **literals) override;
void writeComment(const std::string &comment) override;
};
} // namespace sc_gem5
#endif // __SYSTEMC_UTILS_VCD_HH__
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