diff --git a/qemu/target-arm/cpu.h b/qemu/target-arm/cpu.h
index 64766bec..1fc8fb93 100644
--- a/qemu/target-arm/cpu.h
+++ b/qemu/target-arm/cpu.h
@@ -581,6 +581,8 @@ typedef struct ARMCPU {
     bool powered_off;
     /* CPU has security extension */
     bool has_el3;
+    /* CPU has PMU (Performance Monitor Unit) */
+    bool has_pmu;
 
     /* CPU has memory protection unit */
     bool has_mpu;