[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v3 31/39] ARM: new VGIC: Provide system register emulation stub
On Wed, 21 Mar 2018, Andre Przywara wrote: > The Xen arch code traps system registers writes from the guest and will > relay anything GIC related to the VGIC. > Since this affects only GICv3 (which we don't yet emulate), provide a > stub implementation of vgic_emulate() for now. > > Signed-off-by: Andre Przywara <andre.przywara@xxxxxxxxxx> > Acked-by: Julien Grall <julien.grall@xxxxxxx> Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx> > --- > xen/arch/arm/vgic/vgic.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/xen/arch/arm/vgic/vgic.c b/xen/arch/arm/vgic/vgic.c > index 79c6a5553d..ffab0b2635 100644 > --- a/xen/arch/arm/vgic/vgic.c > +++ b/xen/arch/arm/vgic/vgic.c > @@ -814,6 +814,13 @@ struct irq_desc *vgic_get_hw_irq_desc(struct domain *d, > struct vcpu *v, > return desc; > } > > +bool vgic_emulate(struct cpu_user_regs *regs, union hsr hsr) > +{ > + ASSERT(current->domain->arch.vgic.version == GIC_V3); > + > + return false; > +} > + > /* > * was: > * int kvm_vgic_map_phys_irq(struct vcpu *vcpu, u32 virt_irq, u32 > phys_irq) > -- > 2.14.1 > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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