ppc/xics: introduce an icp_create() helper

The sPAPR and the PowerNV core objects create the interrupt presenter
object of the CPUs in a very similar way. Let's provide a common
routine in which we use the presenter 'type' as a child identifier.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

1 files changed, 21 insertions, 0 deletions

diff --git a/hw/intc/xics.c b/hw/intc/xics.c
index a1cc0e420c..bfc6b5bb23 100644
--- a/hw/intc/xics.c
+++ b/hw/intc/xics.c
@@ -384,6 +384,27 @@ static const TypeInfo icp_info = {
     .class_size = sizeof(ICPStateClass),
 };
 
+Object *icp_create(Object *cpu, const char *type, XICSFabric *xi, Error **errp)
+{
+    Error *local_err = NULL;
+    Object *obj;
+
+    obj = object_new(type);
+    object_property_add_child(cpu, type, obj, &error_abort);
+    object_unref(obj);
+    object_property_add_const_link(obj, ICP_PROP_XICS, OBJECT(xi),
+                                   &error_abort);
+    object_property_add_const_link(obj, ICP_PROP_CPU, cpu, &error_abort);
+    object_property_set_bool(obj, true, "realized", &local_err);
+    if (local_err) {
+        object_unparent(obj);
+        error_propagate(errp, local_err);
+        obj = NULL;
+    }
+
+    return obj;
+}
+
 /*
  * ICS: Source layer
  */