From 0bbd88eb40e553deaabd6fbc935a596125701a86 Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Tue, 14 Sep 2010 12:27:30 -0700
Subject: X86: Make unrecognized instructions behave better in x86.

---
 src/arch/x86/isa/formats/unknown.isa | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'src/arch/x86/isa')

diff --git a/src/arch/x86/isa/formats/unknown.isa b/src/arch/x86/isa/formats/unknown.isa
index 9b283b5d7..11751e861 100644
--- a/src/arch/x86/isa/formats/unknown.isa
+++ b/src/arch/x86/isa/formats/unknown.isa
@@ -77,8 +77,7 @@ output exec {{
         Fault Unknown::execute(%(CPU_exec_context)s *xc,
                 Trace::InstRecord *traceData) const
         {
-            warn("No instructions are implemented for X86!\n");
-            return NoFault;
+            return new InvalidOpcode();
         }
 }};
 
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