systemc: Add the nonstandard timed_out function.

Change-Id: If14a5f98f03448c712827b7f92d2a36992541518
Reviewed-on: https://gem5-review.googlesource.com/11279
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>

src/systemc/core/sc_module.cc

@@ -301,6 +301,14 @@ sc_module::next_trigger(double, sc_time_unit, const sc_event_and_list &)
 }
 
 
+bool
+sc_module::timed_out()
+{
+    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+    return false;
+}
+
+
 void
 sc_module::wait()
 {
@@ -483,6 +491,13 @@ next_trigger(double, sc_time_unit, const sc_event_and_list &)
     warn("%s not implemented.\n", __PRETTY_FUNCTION__);
 }
 
+bool
+timed_out()
+{
+    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+    return false;
+}
+
 
 void
 wait()

src/systemc/core/sc_prim.cc

@@ -134,6 +134,13 @@ sc_prim_channel::next_trigger(double, sc_time_unit, const sc_event_and_list &)
     warn("%s not implemented.\n", __PRETTY_FUNCTION__);
 }
 
+bool
+sc_prim_channel::timed_out()
+{
+    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+    return false;
+}
+
 void
 sc_prim_channel::wait()
 {

src/systemc/ext/core/sc_module.hh

@@ -183,6 +183,9 @@ class sc_module : public sc_object
     void next_trigger(const sc_time &, const sc_event_and_list &);
     void next_trigger(double, sc_time_unit, const sc_event_and_list &);
 
+    // Nonstandard
+    bool timed_out();
+
     void wait();
     void wait(int);
     void wait(const sc_event &);
@@ -242,6 +245,9 @@ void wait(double, sc_time_unit, const sc_event_or_list &);
 void wait(const sc_time &, const sc_event_and_list &);
 void wait(double, sc_time_unit, const sc_event_and_list &);
 
+// Nonstandard
+bool timed_out();
+
 #define SC_MODULE(name) struct name : ::sc_core::sc_module
 
 #define SC_CTOR(name) \

src/systemc/ext/core/sc_prim.hh

@@ -67,6 +67,9 @@ class sc_prim_channel : public sc_object
     void next_trigger(const sc_time &, const sc_event_and_list &);
     void next_trigger(double, sc_time_unit, const sc_event_and_list &);
 
+    // Nonstandard.
+    bool timed_out();
+
     void wait();
     void wait(int);
     void wait(const sc_event &);