systemc: Add deprecated notify_delayed functions.

Change-Id: I8ec68920b35f9207b6856a0b1ddfdf7545b7148a
Reviewed-on: https://gem5-review.googlesource.com/11269
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
diff --git a/src/systemc/core/sc_event.cc b/src/systemc/core/sc_event.cc
index 32fdd0a..80d1027 100644
--- a/src/systemc/core/sc_event.cc
+++ b/src/systemc/core/sc_event.cc
@@ -284,6 +284,18 @@
     return false;
 }
 
+void
+sc_event::notify_delayed()
+{
+    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+}
+
+void
+sc_event::notify_delayed(const sc_time &)
+{
+    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+}
+
 sc_event_and_expr
 sc_event::operator & (const sc_event &) const
 {
diff --git a/src/systemc/ext/core/sc_event.hh b/src/systemc/ext/core/sc_event.hh
index d110b91..8eb1283 100644
--- a/src/systemc/ext/core/sc_event.hh
+++ b/src/systemc/ext/core/sc_event.hh
@@ -136,6 +136,10 @@
     // Returns whether this event is currently triggered.
     bool triggered() const;
 
+    // Deprecated
+    void notify_delayed();
+    void notify_delayed(const sc_time &);
+
     sc_event_and_expr operator & (const sc_event &) const;
     sc_event_and_expr operator & (const sc_event_and_list &) const;
     sc_event_or_expr operator | (const sc_event &) const;