systemc: Distinguish internal events from normal sc_events.

The internal events aren't supposed to show up in the namespace or as
children of objects.

Change-Id: Id04b9bfe2e1f8f216390dd989797558eaf33d715
Reviewed-on: https://gem5-review.googlesource.com/c/13309
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/src/systemc/core/sc_event.cc b/src/systemc/core/sc_event.cc
index b2dc0e525..0eeae038f 100644
--- a/src/systemc/core/sc_event.cc
+++ b/src/systemc/core/sc_event.cc
@@ -389,6 +389,19 @@ sc_event::operator | (const sc_event_or_list &eol) const
     return expr;
 }
 
+sc_event::sc_event(bool) :
+    _gem5_event(new ::sc_gem5::Event(
+                this, sc_core::sc_gen_unique_name(
+                    "$$$internal kernel event$$$"), true))
+{}
+
+sc_event::sc_event(bool, const char *_name) :
+    _gem5_event(new ::sc_gem5::Event(
+                this,
+                (std::string("$$$internal kernel event$$$") + _name).c_str(),
+                true))
+{}
+
 const std::vector<sc_event *> &
 sc_get_top_level_events()
 {
@@ -404,3 +417,11 @@ sc_find_event(const char *name)
 }
 
 } // namespace sc_core
+
+namespace sc_gem5
+{
+
+InternalScEvent::InternalScEvent() : sc_event(true) {}
+InternalScEvent::InternalScEvent(const char *_name) : sc_event(true, _name) {}
+
+} // namespace sc_gem5