-#define IOAPIC_RSELECT 0x00000000
-#define IOAPIC_RWINDOW 0x00000010
-#define IOA_R_ID 0x00
-#define IOA_R_ID_SHIFT 24
-#define IOA_R_VERSION 0x01
-#define IOA_R_VERSION_MASK 0xFF
-#define IOA_R_VERSION_ME_SHIFT 16
-#define IOA_R_VERSION_ME_MASK 0xFF
-#define IOA_R_REDIRECTION 0x10
-#define IOA_R_R_VECTOR_MASK 0x000FF
-#define IOA_R_R_DM_MASK 0x00700
-#define IOA_R_R_DM_FIXED 0x00000
-#define IOA_R_R_DM_LOWEST 0x00100
-#define IOA_R_R_DM_NMI 0x00400
-#define IOA_R_R_DM_RESET 0x00500
-#define IOA_R_R_DM_EXTINT 0x00700
-#define IOA_R_R_DEST_LOGICAL 0x00800
-#define IOA_R_R_DS_PENDING 0x01000
-#define IOA_R_R_IP_PLRITY_LOW 0x02000
-#define IOA_R_R_TM_LEVEL 0x08000
-#define IOA_R_R_MASKED 0x10000
+#define IOAPIC_RSELECT 0x00000000
+#define IOAPIC_RWINDOW 0x00000010
+#define IOA_R_ID 0x00
+#define IOA_R_ID_SHIFT 24
+#define IOA_R_VERSION 0x01
+#define IOA_R_VERSION_MASK 0xFF
+#define IOA_R_VERSION_ME_SHIFT 16
+#define IOA_R_VERSION_ME_MASK 0xFF
+#define IOA_R_REDIRECTION 0x10
+#define IOA_R_R_VECTOR_MASK 0x000FF
+#define IOA_R_R_DM_MASK 0x00700
+#define IOA_R_R_DM_FIXED 0x00000
+#define IOA_R_R_DM_LOWEST 0x00100
+#define IOA_R_R_DM_NMI 0x00400
+#define IOA_R_R_DM_RESET 0x00500
+#define IOA_R_R_DM_EXTINT 0x00700
+#define IOA_R_R_DEST_LOGICAL 0x00800
+#define IOA_R_R_DS_PENDING 0x01000
+#define IOA_R_R_IP_PLRITY_LOW 0x02000
+#define IOA_R_R_TM_LEVEL 0x08000
+#define IOA_R_R_MASKED 0x10000