systemc: Catch exceptions during updates, notifications, and callbacks.

Change-Id: I6005c12ce32d24413618e3955625432985f99f69
Reviewed-on: https://gem5-review.googlesource.com/c/12607
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>

1 files changed, 10 insertions, 2 deletions

diff --git a/src/systemc/core/scheduler.hh b/src/systemc/core/scheduler.hh
index 7b6238843..052be08c3 100644
--- a/src/systemc/core/scheduler.hh
+++ b/src/systemc/core/scheduler.hh
@@ -457,8 +457,16 @@ Scheduler::TimeSlot::process()
 {
     scheduler.status(StatusTiming);
 
-    while (!events.empty())
-        events.front()->run();
+    try {
+        while (!events.empty())
+            events.front()->run();
+    } catch (...) {
+        if (events.empty())
+            scheduler.completeTimeSlot(this);
+        else
+            scheduler.schedule(this);
+        scheduler.throwToScMain();
+    }
 
     scheduler.status(StatusOther);
     scheduler.completeTimeSlot(this);