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[PULL 28/52] target/arm: Provide ARMv8.4-PMU in '-cpu max'


From: Peter Maydell
Subject: [PULL 28/52] target/arm: Provide ARMv8.4-PMU in '-cpu max'
Date: Fri, 21 Feb 2020 13:07:16 +0000

Set the ID register bits to provide ARMv8.4-PMU (and implicitly
also ARMv8.1-PMU) in the 'max' CPU.

Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>
Message-id: address@hidden
---
 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,
-- 
2.20.1




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