1 files changed, 2 insertions, 0 deletions
diff --git a/exec.c b/exec.c
index 6deaf49279..c168abef48 100644
--- a/exec.c
+++ b/exec.c
@@ -47,6 +47,8 @@
 //#define DEBUG_TB_CHECK 
 //#define DEBUG_TLB_CHECK 
 
+//#define DEBUG_IOPORT
+
 #if !defined(CONFIG_USER_ONLY)
 /* TB consistency checks only implemented for usermode emulation.  */
 #undef DEBUG_TB_CHECK