hw_x86_64: Emit debug message on #UD

Print information when handling an undefined instruction exception.
2015-04-21 23:05:58 +02:00 · 2015-04-21 23:05:58 +02:00 · 4d700fe2ae
parent 96149db858
commit 4d700fe2ae
1 changed files with 5 additions and 0 deletions
--- a/repos/base-hw/src/core/spec/x86/kernel/thread.cc
+++ b/repos/base-hw/src/core/spec/x86/kernel/thread.cc
@ -35,6 +35,11 @@ void Thread::exception(unsigned const cpu)
 		PWRN("%s -> %s: FPU error", pd_label(), label());
 		_stop();
 		return;
+	case UNDEFINED_INSTRUCTION:
+		PWRN("%s -> %s: undefined instruction at ip=%p",
+			 pd_label(), label(), (void*)ip);
+		_stop();
+		return;
 	case SUPERVISOR_CALL:
 		_call();
 		return;