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From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 08/32] target/arm: Set ID_DFR0.PerfMon for qemu-system-arm -cpu
max
Date: Mon, 9 May 2022 12:58:24 +0100
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From: Richard Henderson <richard.henderson@linaro.org>
We set this for qemu-system-aarch64, but failed to do so
for the strictly 32-bit emulation.
Fixes: 3bec78447a9 ("target/arm: Provide ARMv8.4-PMU in '-cpu max'")
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220506180242.216785-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu_tcg.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/target/arm/cpu_tcg.c b/target/arm/cpu_tcg.c
index f9094c17525..9aa2f737c1e 100644
--- a/target/arm/cpu_tcg.c
+++ b/target/arm/cpu_tcg.c
@@ -1084,6 +1084,10 @@ static void arm_max_initfn(Object *obj)
t =3D FIELD_DP32(t, ID_PFR2, SSBS, 1);
cpu->isar.id_pfr2 =3D t;
=20
+ t =3D cpu->isar.id_dfr0;
+ t =3D FIELD_DP32(t, ID_DFR0, PERFMON, 5); /* v8.4-PMU */
+ cpu->isar.id_dfr0 =3D t;
+
#ifdef CONFIG_USER_ONLY
/*
* Break with true ARMv8 and add back old-style VFP short-vector suppo=
rt.
--=20
2.25.1