systemc: Implement general and VCD trace support.
This doesn't include WIF trace support, but does make allowances for
adding it in the future.
Change-Id: Ifb62f40a7d8a13e94463930a44ac4b1cf41e3009
Reviewed-on: https://gem5-review.googlesource.com/c/12826
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
diff --git a/src/systemc/core/scheduler.cc b/src/systemc/core/scheduler.cc
index ae1aa89..d79abb2 100644
--- a/src/systemc/core/scheduler.cc
+++ b/src/systemc/core/scheduler.cc
@@ -36,6 +36,7 @@
#include "systemc/ext/core/sc_main.hh"
#include "systemc/ext/utils/sc_report.hh"
#include "systemc/ext/utils/sc_report_handler.hh"
+#include "systemc/utils/tracefile.hh"
namespace sc_gem5
{
@@ -48,8 +49,8 @@
starvationEvent(this, false, StarvationPriority),
_elaborationDone(false), _started(false), _stopNow(false),
_status(StatusOther), maxTickEvent(this, false, MaxTickPriority),
- _numCycles(0), _changeStamp(0), _current(nullptr), initDone(false),
- runOnce(false)
+ timeAdvancesEvent(this, false, TimeAdvancesPriority), _numCycles(0),
+ _changeStamp(0), _current(nullptr), initDone(false), runOnce(false)
{}
Scheduler::~Scheduler()
@@ -86,6 +87,8 @@
deschedule(&starvationEvent);
if (maxTickEvent.scheduled())
deschedule(&maxTickEvent);
+ if (timeAdvancesEvent.scheduled())
+ deschedule(&timeAdvancesEvent);
Process *p;
while ((p = initList.getNext()))
@@ -134,6 +137,8 @@
initDone = true;
status(StatusOther);
+
+ scheduleTimeAdvancesEvent();
}
void
@@ -263,10 +268,13 @@
void
Scheduler::runReady()
{
+ scheduleTimeAdvancesEvent();
+
bool empty = readyListMethods.empty() && readyListThreads.empty();
lastReadyTick = getCurTick();
// The evaluation phase.
+ status(StatusEvaluate);
do {
yield();
} while (getNextReady());
@@ -282,6 +290,8 @@
}
runUpdate();
+ if (!traceFiles.empty())
+ trace(true);
runDelta();
if (!runToTime && starved())
@@ -367,6 +377,7 @@
}
schedule(&maxTickEvent, maxTick);
+ scheduleTimeAdvancesEvent();
// Return to gem5 to let it run events, etc.
Fiber::primaryFiber()->run();
@@ -429,6 +440,13 @@
schedule(&stopEvent);
}
+void
+Scheduler::trace(bool delta)
+{
+ for (auto tf: traceFiles)
+ tf->trace(delta);
+}
+
Scheduler scheduler;
namespace {
diff --git a/src/systemc/core/scheduler.hh b/src/systemc/core/scheduler.hh
index 8015260..ebe1546 100644
--- a/src/systemc/core/scheduler.hh
+++ b/src/systemc/core/scheduler.hh
@@ -48,6 +48,8 @@
namespace sc_gem5
{
+class TraceFile;
+
typedef NodeList<Process> ProcessList;
typedef NodeList<Channel> ChannelList;
@@ -280,6 +282,7 @@
timeSlots.erase(timeSlots.begin());
if (!runToTime && starved())
scheduleStarvationEvent();
+ scheduleTimeAdvancesEvent();
}
// Pending activity ignores gem5 activity, much like how a systemc
@@ -357,6 +360,9 @@
Status status() { return _status; }
void status(Status s) { _status = s; }
+ void registerTraceFile(TraceFile *tf) { traceFiles.insert(tf); }
+ void unregisterTraceFile(TraceFile *tf) { traceFiles.erase(tf); }
+
private:
typedef const EventBase::Priority Priority;
static Priority DefaultPriority = EventBase::Default_Pri;
@@ -366,6 +372,7 @@
static Priority MaxTickPriority = DefaultPriority + 2;
static Priority ReadyPriority = DefaultPriority + 3;
static Priority StarvationPriority = ReadyPriority;
+ static Priority TimeAdvancesPriority = EventBase::Maximum_Pri;
EventQueue *eq;
@@ -440,6 +447,15 @@
}
EventWrapper<Scheduler, &Scheduler::maxTickFunc> maxTickEvent;
+ void timeAdvances() { trace(false); }
+ EventWrapper<Scheduler, &Scheduler::timeAdvances> timeAdvancesEvent;
+ void
+ scheduleTimeAdvancesEvent()
+ {
+ if (!traceFiles.empty() && !timeAdvancesEvent.scheduled())
+ schedule(&timeAdvancesEvent);
+ }
+
uint64_t _numCycles;
uint64_t _changeStamp;
@@ -457,6 +473,10 @@
ChannelList updateList;
std::map<::Event *, Tick> eventsToSchedule;
+
+ std::set<TraceFile *> traceFiles;
+
+ void trace(bool delta);
};
extern Scheduler scheduler;
diff --git a/src/systemc/ext/channel/sc_in.hh b/src/systemc/ext/channel/sc_in.hh
index b7170ae..a768401 100644
--- a/src/systemc/ext/channel/sc_in.hh
+++ b/src/systemc/ext/channel/sc_in.hh
@@ -34,9 +34,9 @@
#include "../core/sc_event.hh"
#include "../core/sc_port.hh"
+#include "../utils/sc_trace_file.hh"
#include "sc_signal_in_if.hh"
#include "sc_signal_inout_if.hh"
-#include "warn_unimpl.hh"
namespace sc_core
{
@@ -112,7 +112,14 @@
bind(p);
}
- virtual void end_of_elaboration() { /* Implementation defined. */ }
+ virtual void
+ end_of_elaboration()
+ {
+ for (auto params: traceParamsVec)
+ sc_trace(params->tf, (*this)->read(), params->name);
+
+ traceParamsVec.clear();
+ }
const T &read() const { return (*this)->read(); }
operator const T& () const { return (*this)->read(); }
@@ -128,9 +135,17 @@
virtual const char *kind() const { return "sc_in"; }
+ void
+ add_trace(sc_trace_file *tf, const std::string &name) const
+ {
+ traceParamsVec.push_back(new sc_trace_params(tf, name));
+ }
+
private:
mutable sc_event_finder_t<sc_signal_in_if<T> > _valueChangedFinder;
+ mutable sc_trace_params_vec traceParamsVec;
+
// Disabled
sc_in(const sc_in<T> &);
sc_in<T> &operator = (const sc_in<T> &);
@@ -138,9 +153,12 @@
template <class T>
inline void
-sc_trace(sc_trace_file *, const sc_in<T> &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_in<T> &i, const std::string &name)
{
- sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
+ if (i.size())
+ sc_trace(tf, i->read(), name);
+ else
+ i.add_trace(tf, name);
}
template <>
@@ -236,7 +254,14 @@
bind(p);
}
- virtual void end_of_elaboration() { /* Implementation defined. */ }
+ virtual void
+ end_of_elaboration()
+ {
+ for (auto params: traceParamsVec)
+ sc_trace(params->tf, (*this)->read(), params->name);
+
+ traceParamsVec.clear();
+ }
const bool &read() const { return (*this)->read(); }
operator const bool& () const { return (*this)->read(); }
@@ -268,11 +293,19 @@
virtual const char *kind() const { return "sc_in"; }
+ void
+ add_trace(sc_trace_file *tf, const std::string &name) const
+ {
+ traceParamsVec.push_back(new sc_trace_params(tf, name));
+ }
+
private:
mutable sc_event_finder_t<sc_signal_in_if<bool> > _valueChangedFinder;
mutable sc_event_finder_t<sc_signal_in_if<bool> > _posFinder;
mutable sc_event_finder_t<sc_signal_in_if<bool> > _negFinder;
+ mutable sc_trace_params_vec traceParamsVec;
+
// Disabled
sc_in(const sc_in<bool> &);
sc_in<bool> &operator = (const sc_in<bool> &);
@@ -280,9 +313,13 @@
template <>
inline void
-sc_trace<bool>(sc_trace_file *, const sc_in<bool> &, const std::string &)
+sc_trace<bool>(sc_trace_file *tf, const sc_in<bool> &i,
+ const std::string &name)
{
- sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
+ if (i.size())
+ sc_trace(tf, i->read(), name);
+ else
+ i.add_trace(tf, name);
}
template <>
@@ -383,7 +420,14 @@
bind(p);
}
- virtual void end_of_elaboration() { /* Implementation defined. */ }
+ virtual void
+ end_of_elaboration()
+ {
+ for (auto params: traceParamsVec)
+ sc_trace(params->tf, (*this)->read(), params->name);
+
+ traceParamsVec.clear();
+ }
const sc_dt::sc_logic &read() const { return (*this)->read(); }
operator const sc_dt::sc_logic& () const { return (*this)->read(); }
@@ -407,12 +451,20 @@
virtual const char *kind() const { return "sc_in"; }
+ void
+ add_trace(sc_trace_file *tf, const std::string &name) const
+ {
+ traceParamsVec.push_back(new sc_trace_params(tf, name));
+ }
+
private:
mutable sc_event_finder_t<sc_signal_in_if<sc_dt::sc_logic> >
_valueChangedFinder;
mutable sc_event_finder_t<sc_signal_in_if<sc_dt::sc_logic> > _posFinder;
mutable sc_event_finder_t<sc_signal_in_if<sc_dt::sc_logic> > _negFinder;
+ mutable sc_trace_params_vec traceParamsVec;
+
// Disabled
sc_in(const sc_in<sc_dt::sc_logic> &);
sc_in<sc_dt::sc_logic> &operator = (const sc_in<sc_dt::sc_logic> &);
@@ -420,10 +472,13 @@
template <>
inline void
-sc_trace<sc_dt::sc_logic>(
- sc_trace_file *, const sc_in<sc_dt::sc_logic> &, const std::string &)
+sc_trace<sc_dt::sc_logic>(sc_trace_file *tf, const sc_in<sc_dt::sc_logic> &i,
+ const std::string &name)
{
- sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
+ if (i.size())
+ sc_trace(tf, i->read(), name);
+ else
+ i.add_trace(tf, name);
}
} // namespace sc_core
diff --git a/src/systemc/ext/channel/sc_inout.hh b/src/systemc/ext/channel/sc_inout.hh
index 54b0ae7..7f19443 100644
--- a/src/systemc/ext/channel/sc_inout.hh
+++ b/src/systemc/ext/channel/sc_inout.hh
@@ -35,8 +35,8 @@
#include "../core/sc_event.hh"
#include "../core/sc_port.hh"
#include "../dt/bit/sc_logic.hh"
+#include "../utils/sc_trace_file.hh"
#include "sc_signal_inout_if.hh"
-#include "warn_unimpl.hh"
namespace sc_dt
{
@@ -111,6 +111,11 @@
delete initValue;
initValue = nullptr;
}
+
+ for (auto params: traceParamsVec)
+ sc_trace(params->tf, (*this)->read(), params->name);
+
+ traceParamsVec.clear();
}
const T &read() const { return (*this)->read(); }
@@ -159,19 +164,30 @@
virtual const char *kind() const { return "sc_inout"; }
+ void
+ add_trace(sc_trace_file *tf, const std::string &name) const
+ {
+ traceParamsVec.push_back(new sc_trace_params(tf, name));
+ }
+
private:
T *initValue;
mutable sc_event_finder_t<sc_signal_inout_if<T> > _valueChangedFinder;
+ mutable sc_trace_params_vec traceParamsVec;
+
// Disabled
sc_inout(const sc_inout<T> &);
};
template <class T>
inline void
-sc_trace(sc_trace_file *, const sc_inout<T> &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_inout<T> &i, const std::string &name)
{
- sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
+ if (i.size())
+ sc_trace(tf, i->read(), name);
+ else
+ i.add_trace(tf, name);
}
template <>
@@ -259,6 +275,11 @@
delete initValue;
initValue = nullptr;
}
+
+ for (auto params: traceParamsVec)
+ sc_trace(params->tf, (*this)->read(), params->name);
+
+ traceParamsVec.clear();
}
const bool &read() const { return (*this)->read(); }
@@ -314,21 +335,32 @@
virtual const char *kind() const { return "sc_inout"; }
+ void
+ add_trace(sc_trace_file *tf, const std::string &name) const
+ {
+ traceParamsVec.push_back(new sc_trace_params(tf, name));
+ }
+
private:
bool *initValue;
mutable sc_event_finder_t<sc_signal_inout_if<bool> > _valueChangedFinder;
mutable sc_event_finder_t<sc_signal_inout_if<bool> > _posFinder;
mutable sc_event_finder_t<sc_signal_inout_if<bool> > _negFinder;
+ mutable sc_trace_params_vec traceParamsVec;
+
// Disabled
sc_inout(const sc_inout<bool> &);
};
template <>
inline void sc_trace<bool>(
- sc_trace_file *, const sc_inout<bool> &, const std::string &)
+ sc_trace_file *tf, const sc_inout<bool> &i, const std::string &name)
{
- sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
+ if (i.size())
+ sc_trace(tf, i->read(), name);
+ else
+ i.add_trace(tf, name);
}
template <>
@@ -433,6 +465,11 @@
delete initValue;
initValue = nullptr;
}
+
+ for (auto params: traceParamsVec)
+ sc_trace(params->tf, (*this)->read(), params->name);
+
+ traceParamsVec.clear();
}
const sc_dt::sc_logic &read() const { return (*this)->read(); }
@@ -488,6 +525,12 @@
virtual const char *kind() const { return "sc_inout"; }
+ void
+ add_trace(sc_trace_file *tf, const std::string &name) const
+ {
+ traceParamsVec.push_back(new sc_trace_params(tf, name));
+ }
+
private:
sc_dt::sc_logic *initValue;
mutable sc_event_finder_t<
@@ -495,16 +538,21 @@
mutable sc_event_finder_t<sc_signal_inout_if<sc_dt::sc_logic> > _posFinder;
mutable sc_event_finder_t<sc_signal_inout_if<sc_dt::sc_logic> > _negFinder;
+ mutable sc_trace_params_vec traceParamsVec;
+
// Disabled
sc_inout(const sc_inout<sc_dt::sc_logic> &);
};
template <>
inline void
-sc_trace<sc_dt::sc_logic>(sc_trace_file *, const sc_inout<sc_dt::sc_logic> &,
- const std::string &)
+sc_trace<sc_dt::sc_logic>(sc_trace_file *tf,
+ const sc_inout<sc_dt::sc_logic> &i, const std::string &name)
{
- sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
+ if (i.size())
+ sc_trace(tf, i->read(), name);
+ else
+ i.add_trace(tf, name);
}
} // namespace sc_core
diff --git a/src/systemc/ext/channel/sc_signal.hh b/src/systemc/ext/channel/sc_signal.hh
index bbe2d01..7c01837 100644
--- a/src/systemc/ext/channel/sc_signal.hh
+++ b/src/systemc/ext/channel/sc_signal.hh
@@ -45,22 +45,6 @@
{
class sc_port_base;
-class sc_trace_file;
-
-// Nonstandard
-// Despite having a warning "FOR INTERNAL USE ONLY!" in all caps above this
-// class definition in the Accellera implementation, it appears in their
-// examples and test programs, and so we need to have it here as well.
-struct sc_trace_params
-{
- sc_trace_file *tf;
- std::string name;
-
- sc_trace_params(sc_trace_file *tf, const std::string &name) :
- tf(tf), name(name)
- {}
-};
-typedef std::vector<sc_trace_params *> sc_trace_params_vec;
template <class T, sc_writer_policy WRITER_POLICY=SC_ONE_WRITER>
class sc_signal : public sc_signal_inout_if<T>,
diff --git a/src/systemc/ext/core/sc_port.hh b/src/systemc/ext/core/sc_port.hh
index c9d436e..3586fec 100644
--- a/src/systemc/ext/core/sc_port.hh
+++ b/src/systemc/ext/core/sc_port.hh
@@ -47,6 +47,22 @@
{
class sc_interface;
+class sc_trace_file;
+
+// Nonstandard
+// Despite having a warning "FOR INTERNAL USE ONLY!" in all caps above this
+// class definition in the Accellera implementation, it appears in their
+// examples and test programs, and so we need to have it here as well.
+struct sc_trace_params
+{
+ sc_trace_file *tf;
+ std::string name;
+
+ sc_trace_params(sc_trace_file *tf, const std::string &name) :
+ tf(tf), name(name)
+ {}
+};
+typedef std::vector<sc_trace_params *> sc_trace_params_vec;
enum sc_port_policy
{
diff --git a/src/systemc/ext/dt/fx/sc_fxnum.hh b/src/systemc/ext/dt/fx/sc_fxnum.hh
index 1138646..8a0b7f6 100644
--- a/src/systemc/ext/dt/fx/sc_fxnum.hh
+++ b/src/systemc/ext/dt/fx/sc_fxnum.hh
@@ -66,13 +66,11 @@
#include "sc_fxval.hh"
#include "scfx_params.hh"
-namespace sc_core
+namespace sc_gem5
{
-class vcd_sc_fxnum_trace;
-class vcd_sc_fxnum_fast_trace;
-class wif_sc_fxnum_trace;
-class wif_sc_fxnum_fast_trace;
+template <typename T, typename B>
+class TraceValFxnumBase;
} // namespace sc_core
@@ -490,8 +488,8 @@
friend class sc_fxnum_fast_bitref;
friend class sc_fxnum_fast_subref;
- friend class sc_core::vcd_sc_fxnum_trace;
- friend class sc_core::wif_sc_fxnum_trace;
+ template <typename T, typename B>
+ friend class sc_gem5::TraceValFxnumBase;
protected:
sc_fxnum_observer *observer() const;
@@ -851,8 +849,8 @@
friend class sc_fxnum_fast_bitref;
friend class sc_fxnum_fast_subref;
- friend class sc_core::vcd_sc_fxnum_fast_trace;
- friend class sc_core::wif_sc_fxnum_fast_trace;
+ template <typename T, typename B>
+ friend class sc_gem5::TraceValFxnumBase;
protected:
sc_fxnum_fast_observer *observer() const;
diff --git a/src/systemc/ext/utils/sc_trace_file.hh b/src/systemc/ext/utils/sc_trace_file.hh
index 0b4b0d0..09f5bb2 100644
--- a/src/systemc/ext/utils/sc_trace_file.hh
+++ b/src/systemc/ext/utils/sc_trace_file.hh
@@ -63,7 +63,12 @@
class sc_trace_file
{
+ protected:
+ sc_trace_file();
+
public:
+ virtual ~sc_trace_file();
+
virtual void set_time_unit(double, sc_time_unit) = 0;
};
diff --git a/src/systemc/utils/SConscript b/src/systemc/utils/SConscript
index f925293..5aaea54 100644
--- a/src/systemc/utils/SConscript
+++ b/src/systemc/utils/SConscript
@@ -33,4 +33,6 @@
Source('sc_report_handler.cc')
Source('sc_trace_file.cc')
Source('sc_vector.cc')
+ Source('tracefile.cc')
+ Source('vcd.cc')
Source('warn_unimpl.cc')
diff --git a/src/systemc/utils/sc_trace_file.cc b/src/systemc/utils/sc_trace_file.cc
index 2ac702d..cc9ceef 100644
--- a/src/systemc/utils/sc_trace_file.cc
+++ b/src/systemc/utils/sc_trace_file.cc
@@ -27,390 +27,439 @@
* Authors: Gabe Black
*/
+#include <vector>
+
#include "base/logging.hh"
+#include "systemc/core/scheduler.hh"
+#include "systemc/ext/channel/sc_signal_in_if.hh"
+#include "systemc/ext/core/sc_event.hh"
+#include "systemc/ext/core/sc_time.hh"
+#include "systemc/ext/dt/bit/sc_bv_base.hh"
+#include "systemc/ext/dt/bit/sc_logic.hh"
+#include "systemc/ext/dt/bit/sc_lv_base.hh"
+#include "systemc/ext/dt/fx/sc_fxnum.hh"
+#include "systemc/ext/dt/fx/sc_fxval.hh"
+#include "systemc/ext/dt/int/sc_int_base.hh"
+#include "systemc/ext/dt/int/sc_signed.hh"
+#include "systemc/ext/dt/int/sc_uint_base.hh"
+#include "systemc/ext/dt/int/sc_unsigned.hh"
#include "systemc/ext/utils/sc_trace_file.hh"
+#include "systemc/utils/vcd.hh"
namespace sc_core
{
+sc_trace_file::sc_trace_file() {}
+sc_trace_file::~sc_trace_file() {}
+
sc_trace_file *
sc_create_vcd_trace_file(const char *name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
- return nullptr;
+ auto tf = new ::sc_gem5::VcdTraceFile(name);
+ ::sc_gem5::scheduler.registerTraceFile(tf);
+ return tf;
}
void
sc_close_vcd_trace_file(sc_trace_file *tf)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ ::sc_gem5::scheduler.unregisterTraceFile(
+ static_cast<::sc_gem5::TraceFile *>(tf));
+ delete tf;
}
void
sc_write_comment(sc_trace_file *tf, const std::string &comment)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->writeComment(comment);
}
void
-sc_trace(sc_trace_file *, const bool &, const std::string &)
+sc_trace(sc_trace_file *tf, const bool &v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const bool *, const std::string &)
+sc_trace(sc_trace_file *tf, const bool *v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const float &, const std::string &)
+sc_trace(sc_trace_file *tf, const float &v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const float *, const std::string &)
+sc_trace(sc_trace_file *tf, const float *v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const double &, const std::string &)
+sc_trace(sc_trace_file *tf, const double &v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const double *, const std::string &)
+sc_trace(sc_trace_file *tf, const double *v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_logic &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_logic &v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_logic *, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_logic *v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_int_base &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_int_base &v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_int_base *, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_int_base *v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_uint_base &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_uint_base &v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_uint_base *, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_uint_base *v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_signed &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_signed &v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_signed *, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_signed *v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_unsigned &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_unsigned &v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_unsigned *, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_unsigned *v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_bv_base &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_bv_base &v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_bv_base *, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_bv_base *v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_lv_base &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_lv_base &v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_lv_base *, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_lv_base *v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_fxval &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_fxval &v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_fxval *, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_fxval *v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_fxval_fast &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_fxval_fast &v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_fxval_fast *, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_fxval_fast *v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_fxnum &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_fxnum &v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_fxnum *, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_fxnum *v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_fxnum_fast &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_fxnum_fast &v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const sc_dt::sc_fxnum_fast *, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_dt::sc_fxnum_fast *v,
+ const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const sc_event &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_event &v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const sc_event *, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_event *v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const sc_time &, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_time &v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name);
}
void
-sc_trace(sc_trace_file *, const sc_time *, const std::string &)
+sc_trace(sc_trace_file *tf, const sc_time *v, const std::string &name)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name);
}
void
-sc_trace(sc_trace_file *, const unsigned char &,
- const std::string &, int width)
+sc_trace(sc_trace_file *tf, const unsigned char &v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name, width);
}
void
-sc_trace(sc_trace_file *, const unsigned char *,
- const std::string &, int width)
+sc_trace(sc_trace_file *tf, const unsigned char *v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name, width);
}
void
-sc_trace(sc_trace_file *, const unsigned short &,
- const std::string &, int width)
+sc_trace(sc_trace_file *tf, const unsigned short &v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name, width);
}
void
-sc_trace(sc_trace_file *, const unsigned short *,
- const std::string &, int width)
+sc_trace(sc_trace_file *tf, const unsigned short *v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name, width);
}
void
-sc_trace(sc_trace_file *, const unsigned int &, const std::string &, int width)
+sc_trace(sc_trace_file *tf, const unsigned int &v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name, width);
}
void
-sc_trace(sc_trace_file *, const unsigned int *, const std::string &, int width)
+sc_trace(sc_trace_file *tf, const unsigned int *v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name, width);
}
void
-sc_trace(sc_trace_file *, const unsigned long &,
- const std::string &, int width)
+sc_trace(sc_trace_file *tf, const unsigned long &v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name, width);
}
void
-sc_trace(sc_trace_file *, const unsigned long *,
- const std::string &, int width)
+sc_trace(sc_trace_file *tf, const unsigned long *v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name, width);
}
void
-sc_trace(sc_trace_file *, const char &, const std::string &, int width)
+sc_trace(sc_trace_file *tf, const char &v, const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name, width);
}
void
-sc_trace(sc_trace_file *, const char *, const std::string &, int width)
+sc_trace(sc_trace_file *tf, const char *v, const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name, width);
}
void
-sc_trace(sc_trace_file *, const short &, const std::string &, int width)
+sc_trace(sc_trace_file *tf, const short &v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name, width);
}
void
-sc_trace(sc_trace_file *, const short *, const std::string &, int width)
+sc_trace(sc_trace_file *tf, const short *v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name, width);
}
void
-sc_trace(sc_trace_file *, const int &, const std::string &, int width)
+sc_trace(sc_trace_file *tf, const int &v, const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name, width);
}
void
-sc_trace(sc_trace_file *, const int *, const std::string &, int width)
+sc_trace(sc_trace_file *tf, const int *v, const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name, width);
}
void
-sc_trace(sc_trace_file *, const long &, const std::string &, int width)
+sc_trace(sc_trace_file *tf, const long &v, const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name, width);
}
void
-sc_trace(sc_trace_file *, const long *, const std::string &, int width)
+sc_trace(sc_trace_file *tf, const long *v, const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name, width);
}
void
-sc_trace(sc_trace_file *, const sc_dt::int64 &, const std::string &, int width)
+sc_trace(sc_trace_file *tf, const sc_dt::int64 &v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name, width);
}
void
-sc_trace(sc_trace_file *, const sc_dt::int64 *, const std::string &, int width)
+sc_trace(sc_trace_file *tf, const sc_dt::int64 *v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name, width);
}
void
-sc_trace(sc_trace_file *, const sc_dt::uint64 &,
- const std::string &, int width)
+sc_trace(sc_trace_file *tf, const sc_dt::uint64 &v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(&v, name, width);
}
void
-sc_trace(sc_trace_file *, const sc_dt::uint64 *,
- const std::string &, int width)
+sc_trace(sc_trace_file *tf, const sc_dt::uint64 *v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->addTraceVal(v, name, width);
}
void
-sc_trace(sc_trace_file *, const sc_signal_in_if<char> &,
- const std::string &, int width)
+sc_trace(sc_trace_file *tf, const sc_signal_in_if<char> &v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->
+ addTraceVal(&v.read(), name, width);
}
void
-sc_trace(sc_trace_file *, const sc_signal_in_if<short> &,
- const std::string &, int width)
+sc_trace(sc_trace_file *tf, const sc_signal_in_if<short> &v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->
+ addTraceVal(&v.read(), name, width);
}
void
-sc_trace(sc_trace_file *, const sc_signal_in_if<int> &,
- const std::string &, int width)
+sc_trace(sc_trace_file *tf, const sc_signal_in_if<int> &v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->
+ addTraceVal(&v.read(), name, width);
}
void
-sc_trace(sc_trace_file *, const sc_signal_in_if<long> &,
- const std::string &, int width)
+sc_trace(sc_trace_file *tf, const sc_signal_in_if<long> &v,
+ const std::string &name, int width)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->
+ addTraceVal(&v.read(), name, width);
}
void
-sc_trace(sc_trace_file *, const unsigned int &,
- const std::string &, const char **enum_literals)
+sc_trace(sc_trace_file *tf, const unsigned int &v,
+ const std::string &name, const char **enum_literals)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->
+ addTraceVal(&v, name, enum_literals);
}
void
-sc_trace_delta_cycles(sc_trace_file *, bool on)
+sc_trace_delta_cycles(sc_trace_file *tf, bool on)
{
- warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+ static_cast<::sc_gem5::TraceFile *>(tf)->traceDeltas(on);
}
} // namespace sc_core
diff --git a/src/systemc/utils/tracefile.cc b/src/systemc/utils/tracefile.cc
new file mode 100644
index 0000000..20091c3
--- /dev/null
+++ b/src/systemc/utils/tracefile.cc
@@ -0,0 +1,69 @@
+/*
+ * 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/logging.hh"
+#include "base/output.hh"
+#include "sim/core.hh"
+#include "systemc/ext/core/sc_main.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(1.0), 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;
+}
+
+void
+TraceFile::finalizeTime()
+{
+ timeUnitTicks = ::sc_core::sc_time(timeUnitValue, timeUnitUnit).value();
+}
+
+} // namespace sc_gem5
diff --git a/src/systemc/utils/tracefile.hh b/src/systemc/utils/tracefile.hh
new file mode 100644
index 0000000..8e751e4
--- /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__
diff --git a/src/systemc/utils/vcd.cc b/src/systemc/utils/vcd.cc
new file mode 100644
index 0000000..83e6b50
--- /dev/null
+++ b/src/systemc/utils/vcd.cc
@@ -0,0 +1,703 @@
+/*
+ * 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/vcd.hh"
+
+#include <ctime>
+#include <iomanip>
+
+#include "base/bitfield.hh"
+#include "base/cprintf.hh"
+#include "base/logging.hh"
+#include "systemc/core/scheduler.hh"
+#include "systemc/ext/core/sc_event.hh"
+#include "systemc/ext/core/sc_main.hh"
+#include "systemc/ext/core/sc_time.hh"
+#include "systemc/ext/dt/bit/sc_bv_base.hh"
+#include "systemc/ext/dt/bit/sc_logic.hh"
+#include "systemc/ext/dt/bit/sc_lv_base.hh"
+#include "systemc/ext/dt/fx/sc_fxnum.hh"
+#include "systemc/ext/dt/fx/sc_fxval.hh"
+#include "systemc/ext/dt/int/sc_int_base.hh"
+#include "systemc/ext/dt/int/sc_signed.hh"
+#include "systemc/ext/dt/int/sc_uint_base.hh"
+#include "systemc/ext/dt/int/sc_unsigned.hh"
+#include "systemc/ext/utils/functions.hh"
+
+namespace sc_gem5
+{
+
+namespace
+{
+
+std::string
+cleanName(std::string name)
+{
+ for (int i = 0; i < name.length(); i++) {
+ if (name[i] == '[')
+ name[i] = '(';
+ else if (name[i] == ']')
+ name[i] = ')';
+ }
+ return name;
+}
+
+} // anonymous namespace
+
+class VcdTraceValBase : public TraceValBase
+{
+ protected:
+ std::string _vcdName;
+
+ const char *
+ stripLeadingBits(const char *orig)
+ {
+ const char first = orig[0];
+
+ if (first != 'z' && first != 'x' && first != '0')
+ return orig;
+
+ const char *res = orig;
+ while (*++res == first) {}
+
+ if (first != '0' || *res != '1')
+ res--;
+
+ return res;
+ }
+
+ char
+ scLogicToVcdState(char in)
+ {
+ switch (in) {
+ case 'U':
+ case 'X':
+ case 'W':
+ case 'D':
+ return 'x';
+ case '0':
+ case 'L':
+ return '0';
+ case '1':
+ case 'H':
+ return '1';
+ case 'Z':
+ return 'z';
+ default:
+ return '?';
+ }
+ }
+
+ void
+ printVal(std::ostream &os, const std::string &rep)
+ {
+ switch (width()) {
+ case 0:
+ return;
+ case 1:
+ os << rep << vcdName() << std::endl;;
+ return;
+ default:
+ os << "b" << stripLeadingBits(rep.c_str()) << " " <<
+ vcdName() << std::endl;
+ return;
+ }
+ }
+
+ public:
+ VcdTraceValBase(int width) : TraceValBase(width) {}
+ ~VcdTraceValBase() {}
+
+ void vcdName(const std::string &vcd_name) { _vcdName = vcd_name; }
+ const std::string &vcdName() { return _vcdName; }
+ virtual std::string vcdType() { return "wire"; }
+
+ virtual void output(std::ostream &os) = 0;
+};
+
+void
+VcdTraceScope::addValue(const std::string &name, VcdTraceValBase *value)
+{
+ size_t pos = name.find_first_of('.');
+ if (pos == std::string::npos) {
+ values.emplace_back(name, value);
+ } else {
+ std::string sname = name.substr(0, pos);
+ auto it = scopes.find(sname);
+ if (it == scopes.end())
+ it = scopes.emplace(sname, new VcdTraceScope).first;
+ it->second->addValue(name.substr(pos + 1), value);
+ }
+}
+
+void
+VcdTraceScope::output(const std::string &name, std::ostream &os)
+{
+ os << "$scope module " << name << " $end" << std::endl;
+
+ for (auto &p: values) {
+ const std::string &name = p.first;
+ VcdTraceValBase *value = p.second;
+
+ int w = value->width();
+ if (w <= 0) {
+ std::string msg = csprintf("'%s' has 0 bits", name);
+ // The typo in this error message is intentional to match the
+ // Accellera output.
+ SC_REPORT_ERROR("(E710) object cannot not be traced", msg.c_str());
+ return;
+ }
+
+ std::string clean_name = cleanName(name);
+ if (w == 1) {
+ ccprintf(os, "$var %s % 3d %s %s $end\n",
+ value->vcdType(), w, value->vcdName(), clean_name);
+ } else {
+ ccprintf(os, "$var %s % 3d %s %s [%d:0] $end\n",
+ value->vcdType(), w, value->vcdName(), clean_name, w - 1);
+ }
+ }
+
+ for (auto &p: scopes)
+ p.second->output(p.first, os);
+
+ os << "$upscope $end" << std::endl;
+}
+
+template <typename T>
+class VcdTraceVal : public TraceVal<T, VcdTraceValBase>
+{
+ public:
+ typedef T TracedType;
+
+ VcdTraceVal(const T* t, const std::string &vcd_name, int width) :
+ TraceVal<T, VcdTraceValBase>(t, width)
+ {
+ this->vcdName(vcd_name);
+ }
+};
+
+std::string
+VcdTraceFile::nextSignalName()
+{
+ std::string name(_nextName);
+
+ bool carry = false;
+ int pos = NextNameChars - 1;
+ do {
+ carry = (_nextName[pos] == 'z');
+ if (carry)
+ _nextName[pos--] = 'a';
+ else
+ _nextName[pos--]++;
+ } while (carry && pos >= 0);
+
+ return name;
+}
+
+void
+VcdTraceFile::initialize()
+{
+ finalizeTime();
+
+ // Date.
+ stream() << "$date" << std::endl;
+ time_t long_time;
+ time(&long_time);
+ struct tm *p_tm = localtime(&long_time);
+ stream() << std::put_time(p_tm, " %b %d, %Y %H:%M:%S\n");
+ stream() << "$end" << std::endl << std::endl;
+
+ // Version.
+ stream() << "$version" << std::endl;
+ stream() << " " << ::sc_core::sc_version() << std::endl;
+ stream() << "$end" << std::endl << std::endl;
+
+ // Timescale.
+ stream() << "$timescale" << std::endl;
+ stream() << " " << ::sc_core::sc_time::from_value(timeUnitTicks) <<
+ std::endl;
+ stream() << "$end" << std::endl << std::endl;
+
+ for (auto tv: traceVals)
+ tv->finalize();
+
+ topScope.output("SystemC", stream());
+
+ stream() << "$enddefinitions $end" << std::endl << std::endl;
+
+ Tick now = scheduler.getCurTick();
+
+ std::string timedump_comment =
+ csprintf("All initial values are dumped below at time "
+ "%g sec = %g timescale units.",
+ static_cast<double>(now) / SimClock::Float::s,
+ static_cast<double>(now / timeUnitTicks));
+ writeComment(timedump_comment);
+
+ lastPrintedTime = now / timeUnitTicks;
+
+ stream() << "$dumpvars" << std::endl;
+ for (auto tv: traceVals)
+ tv->output(stream());
+ stream() << "$end" << std::endl << std::endl;
+
+ initialized = true;
+}
+
+VcdTraceFile::~VcdTraceFile()
+{
+ for (auto tv: traceVals)
+ delete tv;
+ traceVals.clear();
+
+ if (timeUnitTicks)
+ ccprintf(stream(), "#%u\n", scheduler.getCurTick() / timeUnitTicks);
+}
+
+void
+VcdTraceFile::trace(bool delta)
+{
+ if (!delta)
+ deltasAtNow = 0;
+
+ uint64_t deltaOffset = deltasAtNow;
+
+ if (delta)
+ deltaOffset = deltasAtNow++;
+
+ if (_traceDeltas != delta)
+ return;
+
+ if (!initialized) {
+ initialize();
+ return;
+ }
+
+ Tick now = scheduler.getCurTick() / timeUnitTicks + deltaOffset;
+
+ if (now <= lastPrintedTime) {
+ // TODO warn about reversed time?
+ return;
+ }
+
+ bool time_printed = false;
+ for (auto tv: traceVals) {
+ if (tv->check()) {
+ if (!time_printed) {
+ lastPrintedTime = now;
+ ccprintf(stream(), "#%u\n", now);
+ time_printed = true;
+ }
+
+ tv->output(stream());
+ }
+ }
+ if (time_printed)
+ stream() << std::endl;
+}
+
+class VcdTraceValBool : public VcdTraceVal<bool>
+{
+ public:
+ using VcdTraceVal<bool>::VcdTraceVal;
+
+ void
+ output(std::ostream &os) override
+ {
+ printVal(os, this->value() ? "1" : "0");
+ }
+};
+
+void
+VcdTraceFile::addTraceVal(const bool *v, const std::string &name)
+{
+ addNewTraceVal<VcdTraceValBool>(v, name);
+}
+
+template <typename T>
+class VcdTraceValFloat : public VcdTraceVal<T>
+{
+ public:
+ using VcdTraceVal<T>::VcdTraceVal;
+
+ std::string vcdType() override { return "real"; }
+
+ void
+ output(std::ostream &os) override
+ {
+ ccprintf(os, "r%.16g %s\n", this->value(), this->vcdName());
+ }
+};
+
+void
+VcdTraceFile::addTraceVal(const float *v, const std::string &name)
+{
+ addNewTraceVal<VcdTraceValFloat<float>>(v, name);
+}
+void
+VcdTraceFile::addTraceVal(const double *v, const std::string &name)
+{
+ addNewTraceVal<VcdTraceValFloat<double>>(v, name);
+}
+
+class VcdTraceValScLogic : public VcdTraceVal<sc_dt::sc_logic>
+{
+ public:
+ using VcdTraceVal<sc_dt::sc_logic>::VcdTraceVal;
+
+ void
+ output(std::ostream &os) override
+ {
+ char str[2] = {
+ scLogicToVcdState(value().to_char()),
+ '\0'
+ };
+ printVal(os, str);
+ }
+};
+
+void
+VcdTraceFile::addTraceVal(const sc_dt::sc_logic *v, const std::string &name)
+{
+ addNewTraceVal<VcdTraceValScLogic>(v, name);
+}
+
+template <typename T>
+class VcdTraceValFinite : public VcdTraceVal<T>
+{
+ public:
+ using VcdTraceVal<T>::VcdTraceVal;
+
+ void
+ finalize() override
+ {
+ VcdTraceVal<T>::finalize();
+ this->_width = this->value().length();
+ }
+
+ void
+ output(std::ostream &os) override
+ {
+ std::string str;
+ const int w = this->width();
+
+ str.reserve(w);
+ for (int i = w - 1; i >= 0; i--)
+ str += this->value()[i].to_bool() ? '1' : '0';
+
+ this->printVal(os, str);
+ }
+};
+
+void
+VcdTraceFile::addTraceVal(const sc_dt::sc_int_base *v,
+ const std::string &name)
+{
+ addNewTraceVal<VcdTraceValFinite<sc_dt::sc_int_base>>(v, name);
+}
+void
+VcdTraceFile::addTraceVal(const sc_dt::sc_uint_base *v,
+ const std::string &name)
+{
+ addNewTraceVal<VcdTraceValFinite<sc_dt::sc_uint_base>>(v, name);
+}
+
+void
+VcdTraceFile::addTraceVal(const sc_dt::sc_signed *v, const std::string &name)
+{
+ addNewTraceVal<VcdTraceValFinite<sc_dt::sc_signed>>(v, name);
+}
+void
+VcdTraceFile::addTraceVal(const sc_dt::sc_unsigned *v,
+ const std::string &name)
+{
+ addNewTraceVal<VcdTraceValFinite<sc_dt::sc_unsigned>>(v, name);
+}
+
+template <typename T>
+class VcdTraceValLogic : public VcdTraceVal<T>
+{
+ public:
+ using VcdTraceVal<T>::VcdTraceVal;
+
+ void
+ finalize() override
+ {
+ VcdTraceVal<T>::finalize();
+ this->_width = this->value().length();
+ }
+
+ void
+ output(std::ostream &os) override
+ {
+ this->printVal(os, this->value().to_string());
+ }
+};
+
+void
+VcdTraceFile::addTraceVal(const sc_dt::sc_bv_base *v, const std::string &name)
+{
+ addNewTraceVal<VcdTraceValLogic<::sc_dt::sc_bv_base>>(v, name);
+}
+void
+VcdTraceFile::addTraceVal(const sc_dt::sc_lv_base *v, const std::string &name)
+{
+ addNewTraceVal<VcdTraceValLogic<::sc_dt::sc_lv_base>>(v, name);
+}
+
+template <typename T>
+class VcdTraceValFxval : public VcdTraceVal<T>
+{
+ public:
+ using VcdTraceVal<T>::VcdTraceVal;
+
+ std::string vcdType() override { return "real"; }
+
+ void
+ output(std::ostream &os) override
+ {
+ ccprintf(os, "r%.16g %s\n",
+ this->value().to_double(), this->vcdName());
+ }
+};
+
+void
+VcdTraceFile::addTraceVal(const sc_dt::sc_fxval *v, const std::string &name)
+{
+ addNewTraceVal<VcdTraceValFxval<sc_dt::sc_fxval>>(v, name);
+}
+void
+VcdTraceFile::addTraceVal(const sc_dt::sc_fxval_fast *v,
+ const std::string &name)
+{
+ addNewTraceVal<VcdTraceValFxval<sc_dt::sc_fxval_fast>>(v, name);
+}
+
+template <typename T>
+class VcdTraceValFxnum : public VcdTraceVal<T>
+{
+ public:
+ using VcdTraceVal<T>::VcdTraceVal;
+
+ void
+ output(std::ostream &os) override
+ {
+ std::string str;
+ const int w = this->width();
+
+ str.reserve(w);
+ for (int i = w - 1; i >= 0; i--)
+ str += this->value()[i] ? '1' : '0';
+
+ this->printVal(os, str);
+ }
+};
+
+void
+VcdTraceFile::addTraceVal(const sc_dt::sc_fxnum *v, const std::string &name)
+{
+ addNewTraceVal<VcdTraceValFxnum<::sc_dt::sc_fxnum>>(v, name);
+}
+void
+VcdTraceFile::addTraceVal(const sc_dt::sc_fxnum_fast *v,
+ const std::string &name)
+{
+ addNewTraceVal<VcdTraceValFxnum<::sc_dt::sc_fxnum_fast>>(v, name);
+}
+
+class VcdTraceValEvent : public VcdTraceVal<::sc_core::sc_event>
+{
+ public:
+ using VcdTraceVal<::sc_core::sc_event>::VcdTraceVal;
+
+ std::string vcdType() override { return "event"; }
+
+ void
+ output(std::ostream &os) override
+ {
+ if (value())
+ printVal(os, "1");
+ else
+ os << std::endl;
+ }
+};
+
+void
+VcdTraceFile::addTraceVal(const sc_core::sc_event *v, const std::string &name)
+{
+ addNewTraceVal<VcdTraceValEvent>(v, name);
+}
+
+class VcdTraceValTime : public VcdTraceVal<::sc_core::sc_time>
+{
+ private:
+ static const int TimeWidth = 64;
+
+ public:
+ using VcdTraceVal<::sc_core::sc_time>::VcdTraceVal;
+
+ std::string vcdType() override { return "time"; }
+
+ void
+ finalize() override
+ {
+ VcdTraceVal<::sc_core::sc_time>::finalize();
+ _width = TimeWidth;
+ }
+
+ void
+ output(std::ostream &os) override
+ {
+ char str[TimeWidth + 1];
+ str[TimeWidth] = '\0';
+
+ const uint64_t val = value().value();
+ for (int i = 0; i < TimeWidth; i++)
+ str[i] = ::bits(val, TimeWidth - i - 1) ? '1' : '0';
+
+ printVal(os, str);
+ }
+};
+void
+VcdTraceFile::addTraceVal(const sc_core::sc_time *v, const std::string &name)
+{
+ addNewTraceVal<VcdTraceValTime>(v, name);
+}
+
+template <typename T>
+class VcdTraceValInt : public VcdTraceVal<T>
+{
+ public:
+ using VcdTraceVal<T>::VcdTraceVal;
+
+ void
+ output(std::ostream &os) override
+ {
+ const int w = this->width();
+ char str[w + 1];
+ str[w] = '\0';
+
+ const uint64_t val =
+ static_cast<uint64_t>(this->value()) & ::mask(sizeof(T) * 8);
+
+ if (::mask(w) < val) {
+ for (int i = 0; i < w; i++)
+ str[i] = 'x';
+ } else {
+ for (int i = 0; i < w; i++)
+ str[i] = ::bits(val, w - i - 1) ? '1' : '0';
+ }
+
+ this->printVal(os, str);
+ }
+};
+
+void
+VcdTraceFile::addTraceVal(const unsigned char *v, const std::string &name,
+ int width)
+{
+ addNewTraceVal<VcdTraceValInt<unsigned char>>(v, name, width);
+}
+void
+VcdTraceFile::addTraceVal(const char *v, const std::string &name, int width)
+{
+ addNewTraceVal<VcdTraceValInt<char>>(v, name, width);
+}
+void
+VcdTraceFile::addTraceVal(const unsigned short *v, const std::string &name,
+ int width)
+{
+ addNewTraceVal<VcdTraceValInt<unsigned short>>(v, name, width);
+}
+void
+VcdTraceFile::addTraceVal(const short *v, const std::string &name, int width)
+{
+ addNewTraceVal<VcdTraceValInt<short>>(v, name, width);
+}
+void
+VcdTraceFile::addTraceVal(const unsigned int *v, const std::string &name,
+ int width)
+{
+ addNewTraceVal<VcdTraceValInt<unsigned int>>(v, name, width);
+}
+void
+VcdTraceFile::addTraceVal(const int *v, const std::string &name, int width)
+{
+ addNewTraceVal<VcdTraceValInt<int>>(v, name, width);
+}
+void
+VcdTraceFile::addTraceVal(const unsigned long *v, const std::string &name,
+ int width)
+{
+ addNewTraceVal<VcdTraceValInt<unsigned long>>(v, name, width);
+}
+void
+VcdTraceFile::addTraceVal(const long *v, const std::string &name, int width)
+{
+ addNewTraceVal<VcdTraceValInt<long>>(v, name, width);
+}
+
+void
+VcdTraceFile::addTraceVal(const sc_dt::int64 *v, const std::string &name,
+ int width)
+{
+ addNewTraceVal<VcdTraceValInt<sc_dt::int64>>(v, name, width);
+}
+void
+VcdTraceFile::addTraceVal(const sc_dt::uint64 *v, const std::string &name,
+ int width)
+{
+ addNewTraceVal<VcdTraceValInt<sc_dt::uint64>>(v, name, width);
+}
+
+void
+VcdTraceFile::addTraceVal(const unsigned int *v, const std::string &name,
+ const char **literals)
+{
+ uint64_t count = 0;
+ while (*literals++)
+ count++;
+
+ int bits = 0;
+ while (count >> bits)
+ bits++;
+
+ addNewTraceVal<VcdTraceValInt<unsigned int>>(v, name, bits);
+}
+
+void
+VcdTraceFile::writeComment(const std::string &comment)
+{
+ stream() << "$comment" << std::endl;
+ stream() << comment << std::endl;
+ stream() << "$end" << std::endl << std::endl;
+}
+
+} // namespace sc_gem5
diff --git a/src/systemc/utils/vcd.hh b/src/systemc/utils/vcd.hh
new file mode 100644
index 0000000..dce7f46
--- /dev/null
+++ b/src/systemc/utils/vcd.hh
@@ -0,0 +1,154 @@
+/*
+ * 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__
