Gabe Black has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/13294
Change subject: systemc: Change how signal based resets work.
......................................................................
systemc: Change how signal based resets work.
The previous implementation used the value changed event to track when
signals changed value, but there were a couple problems with this
approach. First, this piggybacked on the sensitivity mechanism in some
ways, but diverged in others. The sensitivity didn't notify a process
when it was satisfied like other sensitivity types would, and it also
ignored whether the process was disabled.
Second, the value_changed_event is notified by a signal instance as a
delta notification, but reset signals are supposed to act immediately.
That means they should happen before all delta notifications, or in
other words all delta notifications should see the reset status of a
given process. That's particularly important in the case of wait(int n)
where setting the reset clears the reset count, and the count is
checked when determining whether or not to wake up a process when its
sensitivity is satisfied, potentially by a delta notification.
Third, by removing the middle man and not trying to repurpose the
sensitivity mechanism, the code gets simpler and easier to understand.
Change-Id: I0d05d11437291d368b060f6a45a207813615f113
---
M src/systemc/channel/sc_signal.cc
M src/systemc/core/event.cc
M src/systemc/core/event.hh
M src/systemc/core/port.cc
M src/systemc/core/port.hh
M src/systemc/core/process.cc
M src/systemc/core/process.hh
M src/systemc/core/sc_module.cc
M src/systemc/core/sc_spawn.cc
M src/systemc/core/sensitivity.cc
M src/systemc/core/sensitivity.hh
M src/systemc/ext/channel/sc_signal.hh
M src/systemc/ext/channel/sc_signal_in_if.hh
13 files changed, 144 insertions(+), 227 deletions(-)
diff --git a/src/systemc/channel/sc_signal.cc
b/src/systemc/channel/sc_signal.cc
index 702f209..14ee8a6 100644
--- a/src/systemc/channel/sc_signal.cc
+++ b/src/systemc/channel/sc_signal.cc
@@ -165,11 +165,24 @@
{
return _posStamp == getChangeStamp();
}
-bool
+bool
ScSignalBaseBinary::negedge() const
{
return _negStamp == getChangeStamp();
}
+void
+ScSignalBaseBinary::_signalReset(sc_gem5::Reset *r)
+{
+ r->update();
+}
+
+void
+ScSignalBaseBinary::_signalReset()
+{
+ for (auto r: _resets)
+ _signalReset(r);
+}
+
} // namespace sc_gem5
diff --git a/src/systemc/core/event.cc b/src/systemc/core/event.cc
index 36830b3..aa4a713 100644
--- a/src/systemc/core/event.cc
+++ b/src/systemc/core/event.cc
@@ -148,13 +148,6 @@
}
void
-Event::notify(ResetSensitivities &senses)
-{
- for (auto s: senses)
- s->notify(this);
-}
-
-void
Event::notify()
{
if (scheduler.inUpdate()) {
@@ -167,7 +160,6 @@
scheduler.deschedule(&delayedNotify);
_triggeredStamp = scheduler.changeStamp();
- notify(resetSense);
notify(staticSenseMethod);
notify(dynamicSenseMethod);
notify(staticSenseThread);
diff --git a/src/systemc/core/event.hh b/src/systemc/core/event.hh
index ff72fd3..2d620c9 100644
--- a/src/systemc/core/event.hh
+++ b/src/systemc/core/event.hh
@@ -74,7 +74,6 @@
void notify(StaticSensitivities &senses);
void notify(DynamicSensitivities &senses);
- void notify(ResetSensitivities &senses);
void notify();
void notify(const sc_core::sc_time &t);
@@ -138,22 +137,6 @@
}
}
}
- void
- addSensitivity(ResetSensitivity *s) const
- {
- resetSense.push_back(s);
- }
- void
- delSensitivity(ResetSensitivity *s) const
- {
- for (auto &t: resetSense) {
- if (t == s) {
- t = resetSense.back();
- resetSense.pop_back();
- break;
- }
- }
- }
private:
sc_core::sc_event *_sc_event;
@@ -171,7 +154,6 @@
mutable StaticSensitivities staticSenseThread;
mutable DynamicSensitivities dynamicSenseMethod;
mutable DynamicSensitivities dynamicSenseThread;
- mutable ResetSensitivities resetSense;
};
extern Events topLevelEvents;
diff --git a/src/systemc/core/port.cc b/src/systemc/core/port.cc
index db025bb..b7120ef 100644
--- a/src/systemc/core/port.cc
+++ b/src/systemc/core/port.cc
@@ -29,6 +29,7 @@
#include "systemc/core/port.hh"
+#include "systemc/core/process.hh"
#include "systemc/core/sensitivity.hh"
#include "systemc/ext/channel/sc_signal_in_if.hh"
@@ -50,14 +51,15 @@
}
void
-Port::finalizeReset(ResetSensitivityPort *reset)
+Port::finalizeReset(Reset *reset)
{
assert(size() <= 1);
if (size()) {
auto iface =
dynamic_cast<sc_core::sc_signal_in_if<bool>
*>(getInterface(0));
assert(iface);
- reset->setSignal(iface);
+ if (!reset->install(iface))
+ delete reset;
}
}
@@ -80,12 +82,12 @@
}
void
-Port::sensitive(ResetSensitivityPort *reset)
+Port::addReset(Reset *reset)
{
if (finalized)
finalizeReset(reset);
else
- sensitivities.push_back(new Sensitivity(reset));
+ resets.push_back(reset);
}
void
@@ -110,14 +112,17 @@
for (auto &s: sensitivities) {
if (s->port)
finalizePort(s->port);
- else if (s->finder)
- finalizeFinder(s->finder);
else
- finalizeReset(s->reset);
+ finalizeFinder(s->finder);
delete s;
}
sensitivities.clear();
+
+ for (auto &r: resets)
+ finalizeReset(r);
+
+ resets.clear();
}
void
diff --git a/src/systemc/core/port.hh b/src/systemc/core/port.hh
index f7b1bbc..fa98c60 100644
--- a/src/systemc/core/port.hh
+++ b/src/systemc/core/port.hh
@@ -43,7 +43,7 @@
class StaticSensitivityPort;
class StaticSensitivityFinder;
-class ResetSensitivityPort;
+class Reset;
class Port;
@@ -62,7 +62,7 @@
void finalizePort(StaticSensitivityPort *port);
void finalizeFinder(StaticSensitivityFinder *finder);
- void finalizeReset(ResetSensitivityPort *reset);
+ void finalizeReset(Reset *reset);
void
addInterface(::sc_core::sc_interface *iface)
@@ -112,24 +112,20 @@
struct Sensitivity
{
Sensitivity(StaticSensitivityPort *port) :
- port(port), finder(nullptr), reset(nullptr)
+ port(port), finder(nullptr)
{}
Sensitivity(StaticSensitivityFinder *finder) :
- port(nullptr), finder(finder), reset(nullptr)
- {}
-
- Sensitivity(ResetSensitivityPort *reset) :
- port(nullptr), finder(nullptr), reset(reset)
+ port(nullptr), finder(finder)
{}
StaticSensitivityPort *port;
StaticSensitivityFinder *finder;
- ResetSensitivityPort *reset;
};
std::vector<Binding *> bindings;
std::vector<Sensitivity *> sensitivities;
+ std::vector<Reset *> resets;
public:
static Port *
@@ -166,7 +162,7 @@
void sensitive(StaticSensitivityPort *port);
void sensitive(StaticSensitivityFinder *finder);
- void sensitive(ResetSensitivityPort *reset);
+ void addReset(Reset *reset);
void finalize();
void regPort();
diff --git a/src/systemc/core/process.cc b/src/systemc/core/process.cc
index d8ed5ff..3bf7ead 100644
--- a/src/systemc/core/process.cc
+++ b/src/systemc/core/process.cc
@@ -31,6 +31,7 @@
#include "base/logging.hh"
#include "systemc/core/event.hh"
+#include "systemc/core/port.hh"
#include "systemc/core/scheduler.hh"
#include "systemc/ext/core/sc_join.hh"
#include "systemc/ext/core/sc_main.hh"
@@ -293,9 +294,9 @@
}
void
-Process::addReset(ResetSensitivity *s)
+Process::addReset(Reset *reset)
{
- resetSensitivities.push_back(s);
+ resets.push_back(reset);
}
void
@@ -418,4 +419,19 @@
p->throw_it(exc, inc_kids);
}
+void
+newReset(const sc_core::sc_port_base *pb, Process *p, bool s, bool v)
+{
+ Port *port = Port::fromPort(pb);
+ port->addReset(new Reset(p, s, v));
+}
+
+void
+newReset(const sc_core::sc_signal_in_if<bool> *sig, Process *p, bool s,
bool v)
+{
+ Reset *reset = new Reset(p, s, v);
+ if (!reset->install(sig))
+ delete reset;
+}
+
} // namespace sc_gem5
diff --git a/src/systemc/core/process.hh b/src/systemc/core/process.hh
index 9bddbdd..a0657f4 100644
--- a/src/systemc/core/process.hh
+++ b/src/systemc/core/process.hh
@@ -40,6 +40,7 @@
#include "systemc/core/object.hh"
#include "systemc/core/sched_event.hh"
#include "systemc/core/sensitivity.hh"
+#include "systemc/ext/channel/sc_signal_in_if.hh"
#include "systemc/ext/core/sc_event.hh"
#include "systemc/ext/core/sc_module.hh"
#include "systemc/ext/core/sc_process_handle.hh"
@@ -57,6 +58,9 @@
class ScHalt
{};
+class Process;
+class Reset;
+
class Process : public ::sc_core::sc_process_b, public ListNode
{
public:
@@ -103,7 +107,7 @@
void addStatic(StaticSensitivity *);
void setDynamic(DynamicSensitivity *);
void clearDynamic() { setDynamic(nullptr); }
- void addReset(ResetSensitivity *);
+ void addReset(Reset *);
ScEvent timeoutEvent;
void setTimeout(::sc_core::sc_time t);
@@ -189,7 +193,7 @@
StaticSensitivities staticSensitivities;
DynamicSensitivity *dynamicSensitivity;
- ResetSensitivities resetSensitivities;
+ std::vector<Reset *> resets;
std::unique_ptr<::sc_core::sc_report> _lastReport;
@@ -198,6 +202,44 @@
UniqueNameGen nameGen;
};
+class Reset
+{
+ public:
+ Reset(Process *p, bool s, bool v) :
+ _process(p), _signal(nullptr), _sync(s), _value(v)
+ {}
+
+ bool
+ install(const sc_core::sc_signal_in_if<bool> *s)
+ {
+ _signal = s;
+
+ if (_signal->_addReset(this)) {
+ _process->addReset(this);
+ if (_signal->read() == _value)
+ update();
+ return true;
+ }
+ return false;
+ }
+ void update() { _process->signalReset(_signal->read() == _value,
_sync); }
+
+ Process *process() { return _process; }
+ const sc_core::sc_signal_in_if<bool> *signal() { return _signal; }
+ bool sync() { return _sync; }
+ bool value() { return _value; }
+
+ private:
+ Process *_process;
+ const sc_core::sc_signal_in_if<bool> *_signal;
+ bool _sync;
+ bool _value;
+};
+
+void newReset(const sc_core::sc_port_base *pb, Process *p, bool s, bool v);
+void newReset(const sc_core::sc_signal_in_if<bool> *sig, Process *p,
+ bool s, bool v);
+
} // namespace sc_gem5
#endif //__SYSTEMC_CORE_PROCESS_HH__
diff --git a/src/systemc/core/sc_module.cc b/src/systemc/core/sc_module.cc
index fe4b5cd..42fff32 100644
--- a/src/systemc/core/sc_module.cc
+++ b/src/systemc/core/sc_module.cc
@@ -36,8 +36,12 @@
#include "systemc/core/kernel.hh"
#include "systemc/core/module.hh"
#include "systemc/core/object.hh"
+#include "systemc/core/port.hh"
#include "systemc/core/process_types.hh"
#include "systemc/core/sensitivity.hh"
+#include "systemc/ext/channel/sc_in.hh"
+#include "systemc/ext/channel/sc_inout.hh"
+#include "systemc/ext/channel/sc_out.hh"
#include "systemc/ext/channel/sc_signal_in_if.hh"
#include "systemc/ext/core/sc_module.hh"
#include "systemc/ext/core/sc_module_name.hh"
@@ -258,58 +262,50 @@
void
sc_module::reset_signal_is(const sc_in<bool> &port, bool val)
{
- sc_gem5::newResetSensitivityPort(
- ::sc_gem5::Process::newest(), &port, val, true);
+ ::sc_gem5::newReset(&port, ::sc_gem5::Process::newest(), true, val);
}
void
sc_module::reset_signal_is(const sc_inout<bool> &port, bool val)
{
- sc_gem5::newResetSensitivityPort(
- ::sc_gem5::Process::newest(), &port, val, true);
+ ::sc_gem5::newReset(&port, ::sc_gem5::Process::newest(), true, val);
}
void
sc_module::reset_signal_is(const sc_out<bool> &port, bool val)
{
- sc_gem5::newResetSensitivityPort(
- ::sc_gem5::Process::newest(), &port, val, true);
+ ::sc_gem5::newReset(&port, ::sc_gem5::Process::newest(), true, val);
}
void
sc_module::reset_signal_is(const sc_signal_in_if<bool> &signal, bool val)
{
- sc_gem5::newResetSensitivitySignal(
- ::sc_gem5::Process::newest(), &signal, val, true);
+ ::sc_gem5::newReset(&signal, ::sc_gem5::Process::newest(), true, val);
}
void
sc_module::async_reset_signal_is(const sc_in<bool> &port, bool val)
{
- sc_gem5::newResetSensitivityPort(
- ::sc_gem5::Process::newest(), &port, val, false);
+ ::sc_gem5::newReset(&port, ::sc_gem5::Process::newest(), false, val);
}
void
sc_module::async_reset_signal_is(const sc_inout<bool> &port, bool val)
{
- sc_gem5::newResetSensitivityPort(
- ::sc_gem5::Process::newest(), &port, val, false);
+ ::sc_gem5::newReset(&port, ::sc_gem5::Process::newest(), false, val);
}
void
sc_module::async_reset_signal_is(const sc_out<bool> &port, bool val)
{
- sc_gem5::newResetSensitivityPort(
- ::sc_gem5::Process::newest(), &port, val, false);
+ ::sc_gem5::newReset(&port, ::sc_gem5::Process::newest(), false, val);
}
void
sc_module::async_reset_signal_is(const sc_signal_in_if<bool> &signal, bool
val)
{
- sc_gem5::newResetSensitivitySignal(
- ::sc_gem5::Process::newest(), &signal, val, false);
+ ::sc_gem5::newReset(&signal, ::sc_gem5::Process::newest(), false, val);
}
diff --git a/src/systemc/core/sc_spawn.cc b/src/systemc/core/sc_spawn.cc
index ed7f2f2..8c4d2bc 100644
--- a/src/systemc/core/sc_spawn.cc
+++ b/src/systemc/core/sc_spawn.cc
@@ -31,6 +31,10 @@
#include "systemc/core/process.hh"
#include "systemc/core/process_types.hh"
#include "systemc/core/scheduler.hh"
+#include "systemc/ext/channel/sc_in.hh"
+#include "systemc/ext/channel/sc_inout.hh"
+#include "systemc/ext/channel/sc_out.hh"
+#include "systemc/ext/channel/sc_signal_in_if.hh"
#include "systemc/ext/core/sc_main.hh"
#include "systemc/ext/core/sc_module.hh"
#include "systemc/ext/core/sc_spawn.hh"
@@ -85,16 +89,16 @@
newStaticSensitivityFinder(proc, f);
for (auto p: opts->_in_resets)
- newResetSensitivityPort(proc, p.target, p.value, p.sync);
+ newReset(p.target, proc, p.sync, p.value);
for (auto p: opts->_inout_resets)
- newResetSensitivityPort(proc, p.target, p.value, p.sync);
+ newReset(p.target, proc, p.sync, p.value);
for (auto p: opts->_out_resets)
- newResetSensitivityPort(proc, p.target, p.value, p.sync);
+ newReset(p.target, proc, p.sync, p.value);
for (auto i: opts->_if_resets)
- newResetSensitivitySignal(proc, i.target, i.value, i.sync);
+ newReset(i.target, proc, i.sync, i.value);
}
if (opts && opts->_dontInitialize &&
diff --git a/src/systemc/core/sensitivity.cc
b/src/systemc/core/sensitivity.cc
index 9ce6fc4..4f84ce0 100644
--- a/src/systemc/core/sensitivity.cc
+++ b/src/systemc/core/sensitivity.cc
@@ -29,6 +29,7 @@
#include "systemc/core/sensitivity.hh"
+#include "base/logging.hh"
#include "systemc/core/event.hh"
#include "systemc/core/port.hh"
#include "systemc/core/process.hh"
@@ -97,18 +98,6 @@
Event::getFromScEvent(e)->delSensitivity(this);
}
-void
-ResetSensitivity::addToEvent(const ::sc_core::sc_event *e)
-{
- Event::getFromScEvent(e)->addSensitivity(this);
-}
-
-void
-ResetSensitivity::delFromEvent(const ::sc_core::sc_event *e)
-{
- Event::getFromScEvent(e)->delSensitivity(this);
-}
-
/*
* Static sensitivities.
@@ -250,71 +239,4 @@
return true;
}
-/*
- * Reset sensitivities.
- */
-
-void
-newResetSensitivitySignal(
- Process *p, const sc_core::sc_signal_in_if<bool> *signal,
- bool val, bool sync)
-{
- auto s = new ResetSensitivitySignal(p, signal, val, sync);
- s->addToEvent(s->event);
- p->addReset(s);
-}
-
-void
-newResetSensitivityPort(Process *p, const sc_core::sc_in<bool> *port,
- bool val, bool sync)
-{
- auto s = new ResetSensitivityPort(p, port, val, sync);
- Port::fromPort(port)->sensitive(s);
- p->addReset(s);
-}
-void
-newResetSensitivityPort(Process *p, const sc_core::sc_inout<bool> *port,
- bool val, bool sync)
-{
- auto s = new ResetSensitivityPort(p, port, val, sync);
- Port::fromPort(port)->sensitive(s);
- p->addReset(s);
-}
-void
-newResetSensitivityPort(Process *p, const sc_core::sc_out<bool> *port,
- bool val, bool sync)
-{
- auto s = new ResetSensitivityPort(p, port, val, sync);
- Port::fromPort(port)->sensitive(s);
- p->addReset(s);
-}
-
-ResetSensitivitySignal::ResetSensitivitySignal(
- Process *p, const sc_core::sc_signal_in_if<bool> *signal,
- bool _val, bool _sync) :
- Sensitivity(p), ResetSensitivity(p, _val, _sync),
- SensitivityEvent(p, signal ? &signal->value_changed_event() : nullptr),
- _signal(signal)
-{
- if (signal && signal->read() == val())
- process->signalReset(true, sync());
-}
-
-bool
-ResetSensitivitySignal::notify(Event *e)
-{
- process->signalReset(_signal->read() == val(), sync());
- return true;
-}
-
-void
-ResetSensitivityPort::setSignal(const ::sc_core::sc_signal_in_if<bool>
*signal)
-{
- _signal = signal;
- event = &_signal->value_changed_event();
- addToEvent(event);
- if (signal->read() == val())
- process->signalReset(true, sync());
-}
-
} // namespace sc_gem5
diff --git a/src/systemc/core/sensitivity.hh
b/src/systemc/core/sensitivity.hh
index 62c9682..7a065d2 100644
--- a/src/systemc/core/sensitivity.hh
+++ b/src/systemc/core/sensitivity.hh
@@ -81,8 +81,7 @@
enum Category
{
Static,
- Dynamic,
- Reset
+ Dynamic
};
virtual Category category() = 0;
@@ -92,7 +91,7 @@
/*
- * Dynamic vs. static vs. reset sensitivity.
+ * Dynamic vs. static sensitivity.
*/
class DynamicSensitivity : virtual public Sensitivity
@@ -124,29 +123,6 @@
typedef std::vector<StaticSensitivity *> StaticSensitivities;
-class ResetSensitivity : virtual public Sensitivity
-{
- private:
- bool _val;
- bool _sync;
-
- protected:
- ResetSensitivity(Process *p, bool _val, bool _sync) :
- Sensitivity(p), _val(_val), _sync(_sync)
- {}
-
- void addToEvent(const ::sc_core::sc_event *e) override;
- void delFromEvent(const ::sc_core::sc_event *e) override;
-
- bool val() { return _val; }
- bool sync() { return _sync; }
-
- public:
- Category category() override { return Reset; }
-};
-
-typedef std::vector<ResetSensitivity *> ResetSensitivities;
-
/*
* Sensitivity to an event or events, which can be static or dynamic.
@@ -319,60 +295,6 @@
bool notify(Event *e) override;
};
-/*
- * Reset sensitivities.
- */
-
-void newResetSensitivitySignal(
- Process *p, const sc_core::sc_signal_in_if<bool> *signal,
- bool val, bool sync);
-
-void newResetSensitivityPort(
- Process *p, const sc_core::sc_in<bool> *port, bool val, bool sync);
-void newResetSensitivityPort(
- Process *p, const sc_core::sc_inout<bool> *port, bool val, bool
sync);
-void newResetSensitivityPort(
- Process *p, const sc_core::sc_out<bool> *port, bool val, bool
sync);
-
-class ResetSensitivitySignal :
- public ResetSensitivity, public SensitivityEvent
-{
- protected:
- const sc_core::sc_signal_in_if<bool> *_signal;
-
- friend void newResetSensitivitySignal(
- Process *p, const sc_core::sc_signal_in_if<bool> *signal,
- bool val, bool sync);
-
- ResetSensitivitySignal(
- Process *p, const sc_core::sc_signal_in_if<bool> *signal,
- bool _val, bool _sync);
-
- bool notify(Event *e) override;
-};
-
-class ResetSensitivityPort : public ResetSensitivitySignal
-{
- private:
- friend void newResetSensitivityPort(
- Process *p, const sc_core::sc_in<bool> *port, bool val, bool
sync);
- friend void newResetSensitivityPort(
- Process *p, const sc_core::sc_inout<bool> *port,
- bool val, bool sync);
- friend void newResetSensitivityPort(
- Process *p, const sc_core::sc_out<bool> *port,
- bool val, bool sync);
-
- ResetSensitivityPort(
- Process *p, const sc_core::sc_port_base *port,
- bool _val, bool _sync) :
- Sensitivity(p), ResetSensitivitySignal(p, nullptr, _val, _sync)
- {}
-
- public:
- void setSignal(const ::sc_core::sc_signal_in_if<bool> *signal);
-};
-
} // namespace sc_gem5
#endif //__SYSTEMC_CORE_SENSITIVITY_HH__
diff --git a/src/systemc/ext/channel/sc_signal.hh
b/src/systemc/ext/channel/sc_signal.hh
index e430034..3b2765d 100644
--- a/src/systemc/ext/channel/sc_signal.hh
+++ b/src/systemc/ext/channel/sc_signal.hh
@@ -51,6 +51,7 @@
{
class Process;
+class Reset;
class ScSignalBase : public sc_core::sc_prim_channel
{
@@ -80,6 +81,10 @@
protected:
ScSignalBaseBinary(const char *_name);
+ mutable std::vector<sc_gem5::Reset *> _resets;
+ void _signalReset(sc_gem5::Reset *reset);
+ void _signalReset();
+
const sc_core::sc_event &posedgeEvent() const;
const sc_core::sc_event &negedgeEvent() const;
@@ -352,6 +357,7 @@
return;
this->m_cur_val = this->m_new_val;
+ this->_signalReset();
this->_signalChange();
if (this->m_cur_val) {
this->_posStamp = ::sc_gem5::getChangeStamp();
@@ -363,6 +369,13 @@
}
private:
+ bool
+ _addReset(sc_gem5::Reset *reset) const
+ {
+ this->_resets.push_back(reset);
+ return true;
+ }
+
// Disabled
sc_signal(const sc_signal<bool, WRITER_POLICY> &);
};
diff --git a/src/systemc/ext/channel/sc_signal_in_if.hh
b/src/systemc/ext/channel/sc_signal_in_if.hh
index 6fac358..0085164 100644
--- a/src/systemc/ext/channel/sc_signal_in_if.hh
+++ b/src/systemc/ext/channel/sc_signal_in_if.hh
@@ -39,6 +39,13 @@
};
+namespace sc_gem5
+{
+
+class Reset;
+
+} // namespace sc_gem5
+
namespace sc_core
{
@@ -83,6 +90,13 @@
sc_signal_in_if() : sc_interface() {}
private:
+ friend class sc_gem5::Reset;
+ virtual bool
+ _addReset(sc_gem5::Reset *reset) const
+ {
+ return false;
+ }
+
// Disabled
sc_signal_in_if(const sc_signal_in_if<bool> &) : sc_interface() {}
sc_signal_in_if<bool> &
--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: I0d05d11437291d368b060f6a45a207813615f113
Gerrit-Change-Number: 13294
Gerrit-PatchSet: 1
Gerrit-Owner: Gabe Black <[email protected]>
Gerrit-MessageType: newchange
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