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[PATCH] target/arm: Count PMU events when MDCR.SPME is set


From: Aaron Lindsay
Subject: [PATCH] target/arm: Count PMU events when MDCR.SPME is set
Date: Tue, 25 Aug 2020 10:48:10 -0400

This check was backwards when introduced in commit
033614c47de78409ad3fb39bb7bd1483b71c6789:

    target/arm: Filter cycle counter based on PMCCFILTR_EL0

Signed-off-by: Aaron Lindsay <aaron@os.amperecomputing.com>
---
 target/arm/helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 6b4f0eb533..8e7730c7e3 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -1452,7 +1452,7 @@ 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) {
-- 
2.17.1




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