diff -ur acpi_ppc/acpi_ppc.c 7.0B1/acpi_ppc.c
--- acpi_ppc/acpi_ppc.c	Tue Jul 25 18:58:26 2006
+++ 7.0B1/acpi_ppc.c	Wed Nov  7 21:45:00 2007
@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2004-2006 FUKUDA Nobuhiko <nfukuda@spa.is.uec.ac.jp>
+ * Copyright (c) 2004-2007 FUKUDA Nobuhiko <nfukuda@spa.is.uec.ac.jp>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * [acpi_ppc/20060725]
+ * [acpi_ppc/20071107-7.0B1-test]
  */
 
 /*
@@ -215,12 +215,12 @@
 	goto done;
 
     memcpy(&gas, obj->Buffer.Pointer + 3, sizeof(gas));
-    switch (gas.AddressSpaceId) {
+    switch (gas.SpaceId) {
     case ACPI_ADR_SPACE_SYSTEM_IO:
-	if (!ACPI_VALID_ADDRESS(gas.Address))
+	if (!gas.Address)
 	    goto done;
 	sc->cpu_px_control.address = gas.Address;
-	sc->cpu_px_control.bitwidth = gas.RegisterBitWidth;
+	sc->cpu_px_control.bitwidth = gas.BitWidth;
 	break;
     case ACPI_ADR_SPACE_FIXED_HARDWARE:
 	sc->cpu_px_control.bitwidth = 0;
@@ -235,12 +235,12 @@
 	goto done;
 
     memcpy(&gas, obj->Buffer.Pointer + 3, sizeof(gas));
-    switch (gas.AddressSpaceId) {
+    switch (gas.SpaceId) {
     case ACPI_ADR_SPACE_SYSTEM_IO:
-	if (!ACPI_VALID_ADDRESS(gas.Address))
-		goto done;
+	if (!gas.Address)
+	    goto done;
 	sc->cpu_px_status.address = gas.Address;
-	sc->cpu_px_status.bitwidth = gas.RegisterBitWidth;
+	sc->cpu_px_status.bitwidth = gas.BitWidth;
 	break;
     case ACPI_ADR_SPACE_FIXED_HARDWARE:
 	sc->cpu_px_status.bitwidth = 0;