From 3bec78447a958d4819911252e056f29740ac25e4 Mon Sep 17 00:00:00 2001
From: Peter Maydell <peter.maydell@linaro.org>
Date: Fri, 14 Feb 2020 17:51:10 +0000
Subject: [PATCH] target/arm: Provide ARMv8.4-PMU in '-cpu max'
Set the ID register bits to provide ARMv8.4-PMU (and implicitly
also ARMv8.1-PMU) in the 'max' CPU.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200214175116.9164-16-peter.maydell@linaro.org
---
target/arm/cpu64.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index f8f74a7ecda..c9452894035 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -703,6 +703,14 @@ static void aarch64_max_initfn(Object *obj)
u = FIELD_DP32(u, ID_MMFR3, PAN, 2); /* ATS1E1 */
cpu->id_mmfr3 = u;
+ u = cpu->isar.id_aa64dfr0;
+ u = FIELD_DP64(u, ID_AA64DFR0, PMUVER, 5); /* v8.4-PMU */
+ cpu->isar.id_aa64dfr0 = u;
+
+ u = cpu->isar.id_dfr0;
+ u = FIELD_DP32(u, ID_DFR0, PERFMON, 5); /* v8.4-PMU */
+ cpu->isar.id_dfr0 = u;
+
/*
* FIXME: We do not yet support ARMv8.2-fp16 for AArch32 yet,
* so do not set MVFR1.FPHP. Strictly speaking this is not legal,
--
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