From 718488cb45188dfdb9886342121aa472db66cdf5 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Fri, 14 Feb 2020 17:05:52 +0000 Subject: 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 Signed-off-by: Peter Maydell --- v1->v2: use FIELD_DP64 for 64-bit idreg --- target/arm/cpu64.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index f8f74a7ecd..c945289403 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, -- cgit v1.2.3