From 97702da7ad9f7841ea44749864753e0b04a8b913 Mon Sep 17 00:00:00 2001
From: Aaron Lindsay <aaron@os.amperecomputing.com>
Date: Mon, 1 Mar 2021 18:25:16 -0500
Subject: [PATCH] target/arm: Count PMU events when MDCR.SPME is set

This check was backwards when introduced in commit
033614c47de78409ad3fb39bb7bd1483b71c6789:

target/arm: Filter cycle counter based on PMCCFILTR_EL0

Backports commit db1f3afb17269cf2bd86c222e1bced748487ef71
---
 qemu/target/arm/helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qemu/target/arm/helper.c b/qemu/target/arm/helper.c
index 4b532766..5dd617e5 100644
--- a/qemu/target/arm/helper.c
+++ b/qemu/target/arm/helper.c
@@ -1191,7 +1191,7 @@ static bool pmu_counter_enabled(CPUARMState *env, uint8_t counter)
         }
     } else {
         prohibited = arm_feature(env, ARM_FEATURE_EL3) &&
-           (env->cp15.mdcr_el3 & MDCR_SPME);
+           !(env->cp15.mdcr_el3 & MDCR_SPME);
     }
 
     if (prohibited && counter == 31) {