diff options
| -rw-r--r-- | hw/arm/virt.c | 11 | ||||
| -rw-r--r-- | target/arm/kvm.c | 14 | ||||
| -rw-r--r-- | target/arm/kvm_arm.h | 3 |
3 files changed, 20 insertions, 8 deletions
diff --git a/hw/arm/virt.c b/hw/arm/virt.c index e55cafa014..a94bc5ddae 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -1554,11 +1554,18 @@ static void finalize_gic_version(VirtMachineState *vms) vms->gic_version = VIRT_GIC_VERSION_3; } } else { - vms->gic_version = kvm_arm_vgic_probe(); - if (!vms->gic_version) { + int probe_bitmap = kvm_arm_vgic_probe(); + + if (!probe_bitmap) { error_report( "Unable to determine GIC version supported by host"); exit(1); + } else { + if (probe_bitmap & KVM_ARM_VGIC_V3) { + vms->gic_version = VIRT_GIC_VERSION_3; + } else { + vms->gic_version = VIRT_GIC_VERSION_2; + } } } } else if (vms->gic_version == VIRT_GIC_VERSION_NOSEL) { diff --git a/target/arm/kvm.c b/target/arm/kvm.c index 85860e6f95..390077c518 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -874,15 +874,17 @@ int kvm_arch_irqchip_create(KVMState *s) int kvm_arm_vgic_probe(void) { + int val = 0; + if (kvm_create_device(kvm_state, KVM_DEV_TYPE_ARM_VGIC_V3, true) == 0) { - return 3; - } else if (kvm_create_device(kvm_state, - KVM_DEV_TYPE_ARM_VGIC_V2, true) == 0) { - return 2; - } else { - return 0; + val |= KVM_ARM_VGIC_V3; + } + if (kvm_create_device(kvm_state, + KVM_DEV_TYPE_ARM_VGIC_V2, true) == 0) { + val |= KVM_ARM_VGIC_V2; } + return val; } int kvm_arm_set_irq(int cpu, int irqtype, int irq, int level) diff --git a/target/arm/kvm_arm.h b/target/arm/kvm_arm.h index ae9e075d75..48bf5e16d5 100644 --- a/target/arm/kvm_arm.h +++ b/target/arm/kvm_arm.h @@ -15,6 +15,9 @@ #include "exec/memory.h" #include "qemu/error-report.h" +#define KVM_ARM_VGIC_V2 (1 << 0) +#define KVM_ARM_VGIC_V3 (1 << 1) + /** * kvm_arm_vcpu_init: * @cs: CPUState |