diff --git a/cpu-all.h b/cpu-all.h
index 6ee93dc390..0ed5d00f4e 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -618,6 +618,7 @@ extern int code_copy_enabled;
 #define CPU_INTERRUPT_EXIT   0x01 /* wants exit from main loop */
 #define CPU_INTERRUPT_HARD   0x02 /* hardware interrupt pending */
 #define CPU_INTERRUPT_EXITTB 0x04 /* exit the current TB (use for x86 a20 case) */
+#define CPU_INTERRUPT_TIMER  0x08 /* internal timer exception pending */
 void cpu_interrupt(CPUState *s, int mask);
 
 int cpu_breakpoint_insert(CPUState *env, target_ulong pc);