1 files changed, 35 insertions, 13 deletions

diff --git a/hw/intc/i8259.c b/hw/intc/i8259.c
index fef00fca75..192a0ba68f 100644
--- a/hw/intc/i8259.c
+++ b/hw/intc/i8259.c
@@ -41,6 +41,20 @@
 //#define DEBUG_IRQ_LATENCY
 //#define DEBUG_IRQ_COUNT
 
+#define TYPE_I8259 "isa-i8259"
+#define PIC_CLASS(class) OBJECT_CLASS_CHECK(PICClass, (class), TYPE_I8259)
+#define PIC_GET_CLASS(obj) OBJECT_GET_CLASS(PICClass, (obj), TYPE_I8259)
+
+/**
+ * PICClass:
+ * @parent_realize: The parent's realizefn.
+ */
+typedef struct PICClass {
+    PICCommonClass parent_class;
+
+    DeviceRealize parent_realize;
+} PICClass;
+
 #if defined(DEBUG_PIC) || defined(DEBUG_IRQ_COUNT)
 static int irq_level[16];
 #endif
@@ -398,15 +412,18 @@ static const MemoryRegionOps pic_elcr_ioport_ops = {
     },
 };
 
-static void pic_init(PICCommonState *s)
+static void pic_realize(DeviceState *dev, Error **err)
 {
-    DeviceState *dev = DEVICE(s);
+    PICCommonState *s = PIC_COMMON(dev);
+    PICClass *pc = PIC_GET_CLASS(dev);
 
     memory_region_init_io(&s->base_io, &pic_base_ioport_ops, s, "pic", 2);
     memory_region_init_io(&s->elcr_io, &pic_elcr_ioport_ops, s, "elcr", 1);
 
     qdev_init_gpio_out(dev, s->int_out, ARRAY_SIZE(s->int_out));
     qdev_init_gpio_in(dev, pic_set_irq, 8);
+
+    pc->parent_realize(dev, err);
 }
 
 void pic_info(Monitor *mon, const QDict *qdict)
@@ -448,25 +465,28 @@ void irq_info(Monitor *mon, const QDict *qdict)
 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq)
 {
     qemu_irq *irq_set;
-    ISADevice *dev;
+    DeviceState *dev;
+    ISADevice *isadev;
     int i;
 
     irq_set = g_malloc(ISA_NUM_IRQS * sizeof(qemu_irq));
 
-    dev = i8259_init_chip("isa-i8259", bus, true);
+    isadev = i8259_init_chip(TYPE_I8259, bus, true);
+    dev = DEVICE(isadev);
 
-    qdev_connect_gpio_out(&dev->qdev, 0, parent_irq);
+    qdev_connect_gpio_out(dev, 0, parent_irq);
     for (i = 0 ; i < 8; i++) {
-        irq_set[i] = qdev_get_gpio_in(&dev->qdev, i);
+        irq_set[i] = qdev_get_gpio_in(dev, i);
     }
 
-    isa_pic = &dev->qdev;
+    isa_pic = dev;
 
-    dev = i8259_init_chip("isa-i8259", bus, false);
+    isadev = i8259_init_chip(TYPE_I8259, bus, false);
+    dev = DEVICE(isadev);
 
-    qdev_connect_gpio_out(&dev->qdev, 0, irq_set[2]);
+    qdev_connect_gpio_out(dev, 0, irq_set[2]);
     for (i = 0 ; i < 8; i++) {
-        irq_set[i + 8] = qdev_get_gpio_in(&dev->qdev, i);
+        irq_set[i + 8] = qdev_get_gpio_in(dev, i);
     }
 
     slave_pic = PIC_COMMON(dev);
@@ -476,18 +496,20 @@ qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq)
 
 static void i8259_class_init(ObjectClass *klass, void *data)
 {
-    PICCommonClass *k = PIC_COMMON_CLASS(klass);
+    PICClass *k = PIC_CLASS(klass);
     DeviceClass *dc = DEVICE_CLASS(klass);
 
-    k->init = pic_init;
+    k->parent_realize = dc->realize;
+    dc->realize = pic_realize;
     dc->reset = pic_reset;
 }
 
 static const TypeInfo i8259_info = {
-    .name       = "isa-i8259",
+    .name       = TYPE_I8259,
     .instance_size = sizeof(PICCommonState),
     .parent     = TYPE_PIC_COMMON,
     .class_init = i8259_class_init,
+    .class_size = sizeof(PICClass),
 };
 
 static void pic_register_types(void)