On Fri, 6 Mar 2026 at 13:34, Mohamed Mediouni <[email protected]> wrote:
>
>
>
> > On 6. Mar 2026, at 14:32, Peter Maydell <[email protected]> wrote:
> >
> > On Fri, 6 Mar 2026 at 13:02, Mohamed Mediouni <[email protected]> 
> > wrote:
> >>
> >> Currently, Apple doesn't support the nested virtualisation + SME 
> >> combination.
> >>
> >> Signed-off-by: Mohamed Mediouni <[email protected]>
> >> ---
> >> target/arm/hvf/hvf.c | 3 +++
> >> target/arm/hvf_arm.h | 5 +++++
> >> 2 files changed, 8 insertions(+)
> >>
> >> diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
> >> index 0183dd8a60..61ba5acce4 100644
> >> --- a/target/arm/hvf/hvf.c
> >> +++ b/target/arm/hvf/hvf.c
> >> @@ -1181,6 +1181,9 @@ static bool 
> >> hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
> >>
> >>     if (hvf_nested_virt_enabled()) {
> >>         FIELD_DP64_IDREG(&host_isar, ID_AA64DFR0, PMUVER, 0x1);
> >> +        /* SME is not implemented with nested virt on the Apple side */
> >> +        SET_IDREG(&host_isar, ID_AA64PFR1,
> >> +              GET_IDREG(&host_isar, ID_AA64PFR1) & 
> >> ~R_ID_AA64PFR1_SME_MASK);
> >
> > This is
> >  FIELD_DP64_IDREG(&host_isar, ID_AA64PFR1, SME, 0);
> >
> > isn't it?
> >
> Hi,
>
> That's an equivalent sequence indeed. Should I respin for this?

No, I'll fix it locally.

thanks
-- PMM

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