Add PowerPC power-management state check callback.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3441 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index cf4a110..fc1d9bb 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -584,6 +584,7 @@
 
     /* Power management */
     int power_mode;
+    int (*check_pow)(CPUPPCState *env);
 
     /* temporary hack to handle OSI calls (only used if non NULL) */
     int (*osi_call)(struct CPUPPCState *env);