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Diffstat (limited to 'src/systemc/utils/tracefile.hh')
| -rw-r--r-- | src/systemc/utils/tracefile.hh | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/src/systemc/utils/tracefile.hh b/src/systemc/utils/tracefile.hh new file mode 100644 index 000000000..8e751e4ec --- /dev/null +++ b/src/systemc/utils/tracefile.hh @@ -0,0 +1,279 @@ +/* + * 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__ |