When running with nested virt on, a minimum PMU is exposed by Hypervisor.framework
if a valid PMUVer register value is set. That PMU isn't exposed otherwise.

Signed-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/arm/hvf/hvf.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index da6b548880..212efab731 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -1127,6 +1127,10 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
 
     clamp_id_aa64mmfr0_parange_to_ipa_size(&host_isar);
 
+    if (hvf_nested_virt_enabled()) {
+        FIELD_DP64_IDREG(&host_isar, ID_AA64DFR0, PMUVER, 0x1);
+    }
+
     ahcf->isar = host_isar;
 
     /*
-- 
2.50.1 (Apple Git-155)