[HVM] More info when failing to emulate instruction group 1.

Signed-off-by: Keir Fraser <keir@xensource.com>

diff --git a/xen/arch/x86/hvm/platform.c b/xen/arch/x86/hvm/platform.c
index 2ee9fd96832f0aded35b3a06f2ecd0ecb4dea641..f1bfd4c47909d7da5a548bdcd4f62860d28defe0 100644 (file)
--- a/xen/arch/x86/hvm/platform.c
+++ b/xen/arch/x86/hvm/platform.c
@@ -462,7 +462,8 @@ static int hvm_decode(int realmode, unsigned char *opcode, struct instruction *i
                     return DECODE_success;
 
                 default:
-                    printf("%x, This opcode isn't handled yet!\n", *opcode);
+                    printf("%x/%x, This opcode isn't handled yet!\n",
+                           *opcode, ins_subtype);
                     return DECODE_failure;
             }
         }