From: Nikita Ostrenkov <n.ostrenkov@gmail.com>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
qemu-arm@nongnu.org,
Nikita Ostrenkov <Nikita.Ostrenkov@gmail.com>
Subject: [PATCH] target/arm/tcg: enable pmu feature for cortex a9
Date: Sun, 12 Nov 2023 16:50:08 +0000 [thread overview]
Message-ID: <20231112165008.1419-1-n.ostrenkov@gmail.com> (raw)
From: Nikita Ostrenkov <Nikita.Ostrenkov@gmail.com>
According to the technical reference manual Cortex A9 like Cortex A7 and Cortex A15 has Perfomance Unit Monitor (PMU)
https://developer.arm.com/documentation/100511/0401/performance-monitoring-unit/about-the-performance-monitoring-unit
---
target/arm/tcg/cpu32.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/target/arm/tcg/cpu32.c b/target/arm/tcg/cpu32.c
index 0d5d8e307d..0008c3f890 100644
--- a/target/arm/tcg/cpu32.c
+++ b/target/arm/tcg/cpu32.c
@@ -418,6 +418,7 @@ static void cortex_a9_initfn(Object *obj)
set_feature(&cpu->env, ARM_FEATURE_NEON);
set_feature(&cpu->env, ARM_FEATURE_THUMB2EE);
set_feature(&cpu->env, ARM_FEATURE_EL3);
+ set_feature(&cpu->env, ARM_FEATURE_PMU);
/*
* Note that A9 supports the MP extensions even for
* A9UP and single-core A9MP (which are both different
--
2.34.1
reply other threads:[~2023-11-12 16:51 UTC|newest]
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