From e14cc941f109cb93fab28a2b3fe79c700c7b6eeb Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 6 May 2022 13:02:25 -0500 Subject: target/arm: Set ID_DFR0.PerfMon for qemu-system-arm -cpu max 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 Signed-off-by: Richard Henderson Message-id: 20220506180242.216785-8-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/cpu_tcg.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'target/arm/cpu_tcg.c') diff --git a/target/arm/cpu_tcg.c b/target/arm/cpu_tcg.c index f9094c1752..9aa2f737c1 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 = FIELD_DP32(t, ID_PFR2, SSBS, 1); cpu->isar.id_pfr2 = t; + t = cpu->isar.id_dfr0; + t = FIELD_DP32(t, ID_DFR0, PERFMON, 5); /* v8.4-PMU */ + cpu->isar.id_dfr0 = t; + #ifdef CONFIG_USER_ONLY /* * Break with true ARMv8 and add back old-style VFP short-vector support. -- cgit v1.2.3