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-rw-r--r--hw/arm/virt.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index b6bb914541..73c68c79f8 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -93,6 +93,7 @@ typedef struct {
typedef struct {
MachineState parent;
+ bool secure;
} VirtMachineState;
#define TYPE_VIRT_MACHINE "virt"
@@ -632,6 +633,34 @@ static void machvirt_init(MachineState *machine)
arm_load_kernel(ARM_CPU(first_cpu), &vbi->bootinfo);
}
+static bool virt_get_secure(Object *obj, Error **errp)
+{
+ VirtMachineState *vms = VIRT_MACHINE(obj);
+
+ return vms->secure;
+}
+
+static void virt_set_secure(Object *obj, bool value, Error **errp)
+{
+ VirtMachineState *vms = VIRT_MACHINE(obj);
+
+ vms->secure = value;
+}
+
+static void virt_instance_init(Object *obj)
+{
+ VirtMachineState *vms = VIRT_MACHINE(obj);
+
+ /* EL3 is enabled by default on virt */
+ vms->secure = true;
+ object_property_add_bool(obj, "secure", virt_get_secure,
+ virt_set_secure, NULL);
+ object_property_set_description(obj, "secure",
+ "Set on/off to enable/disable the ARM "
+ "Security Extensions (TrustZone)",
+ NULL);
+}
+
static void virt_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
@@ -646,6 +675,7 @@ static const TypeInfo machvirt_info = {
.name = TYPE_VIRT_MACHINE,
.parent = TYPE_MACHINE,
.instance_size = sizeof(VirtMachineState),
+ .instance_init = virt_instance_init,
.class_size = sizeof(VirtMachineClass),
.class_init = virt_class_init,
};