1 files changed, 36 insertions, 18 deletions

diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
index 5c7bd31e62..942ca37c54 100644
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@@ -559,6 +559,9 @@ static void tcx_init(hwaddr addr, int vram_size, int width,
 }
 
 /* NCR89C100/MACIO Internal ID register */
+
+#define TYPE_MACIO_ID_REGISTER "macio_idreg"
+
 static const uint8_t idreg_data[] = { 0xfe, 0x81, 0x01, 0x03 };
 
 static void idreg_init(hwaddr addr)
@@ -566,7 +569,7 @@ static void idreg_init(hwaddr addr)
     DeviceState *dev;
     SysBusDevice *s;
 
-    dev = qdev_create(NULL, "macio_idreg");
+    dev = qdev_create(NULL, TYPE_MACIO_ID_REGISTER);
     qdev_init_nofail(dev);
     s = SYS_BUS_DEVICE(dev);
 
@@ -574,14 +577,18 @@ static void idreg_init(hwaddr addr)
     cpu_physical_memory_write_rom(addr, idreg_data, sizeof(idreg_data));
 }
 
+#define MACIO_ID_REGISTER(obj) \
+    OBJECT_CHECK(IDRegState, (obj), TYPE_MACIO_ID_REGISTER)
+
 typedef struct IDRegState {
-    SysBusDevice busdev;
+    SysBusDevice parent_obj;
+
     MemoryRegion mem;
 } IDRegState;
 
 static int idreg_init1(SysBusDevice *dev)
 {
-    IDRegState *s = FROM_SYSBUS(IDRegState, dev);
+    IDRegState *s = MACIO_ID_REGISTER(dev);
 
     memory_region_init_ram(&s->mem, OBJECT(s),
                            "sun4m.idreg", sizeof(idreg_data));
@@ -599,14 +606,18 @@ static void idreg_class_init(ObjectClass *klass, void *data)
 }
 
 static const TypeInfo idreg_info = {
-    .name          = "macio_idreg",
+    .name          = TYPE_MACIO_ID_REGISTER,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(IDRegState),
     .class_init    = idreg_class_init,
 };
 
+#define TYPE_TCX_AFX "tcx_afx"
+#define TCX_AFX(obj) OBJECT_CHECK(AFXState, (obj), TYPE_TCX_AFX)
+
 typedef struct AFXState {
-    SysBusDevice busdev;
+    SysBusDevice parent_obj;
+
     MemoryRegion mem;
 } AFXState;
 
@@ -616,7 +627,7 @@ static void afx_init(hwaddr addr)
     DeviceState *dev;
     SysBusDevice *s;
 
-    dev = qdev_create(NULL, "tcx_afx");
+    dev = qdev_create(NULL, TYPE_TCX_AFX);
     qdev_init_nofail(dev);
     s = SYS_BUS_DEVICE(dev);
 
@@ -625,7 +636,7 @@ static void afx_init(hwaddr addr)
 
 static int afx_init1(SysBusDevice *dev)
 {
-    AFXState *s = FROM_SYSBUS(AFXState, dev);
+    AFXState *s = TCX_AFX(dev);
 
     memory_region_init_ram(&s->mem, OBJECT(s), "sun4m.afx", 4);
     vmstate_register_ram_global(&s->mem);
@@ -641,14 +652,18 @@ static void afx_class_init(ObjectClass *klass, void *data)
 }
 
 static const TypeInfo afx_info = {
-    .name          = "tcx_afx",
+    .name          = TYPE_TCX_AFX,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(AFXState),
     .class_init    = afx_class_init,
 };
 
+#define TYPE_OPENPROM "openprom"
+#define OPENPROM(obj) OBJECT_CHECK(PROMState, (obj), TYPE_OPENPROM)
+
 typedef struct PROMState {
-    SysBusDevice busdev;
+    SysBusDevice parent_obj;
+
     MemoryRegion prom;
 } PROMState;
 
@@ -666,7 +681,7 @@ static void prom_init(hwaddr addr, const char *bios_name)
     char *filename;
     int ret;
 
-    dev = qdev_create(NULL, "openprom");
+    dev = qdev_create(NULL, TYPE_OPENPROM);
     qdev_init_nofail(dev);
     s = SYS_BUS_DEVICE(dev);
 
@@ -695,7 +710,7 @@ static void prom_init(hwaddr addr, const char *bios_name)
 
 static int prom_init1(SysBusDevice *dev)
 {
-    PROMState *s = FROM_SYSBUS(PROMState, dev);
+    PROMState *s = OPENPROM(dev);
 
     memory_region_init_ram(&s->prom, OBJECT(s), "sun4m.prom", PROM_SIZE_MAX);
     vmstate_register_ram_global(&s->prom);
@@ -718,15 +733,18 @@ static void prom_class_init(ObjectClass *klass, void *data)
 }
 
 static const TypeInfo prom_info = {
-    .name          = "openprom",
+    .name          = TYPE_OPENPROM,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(PROMState),
     .class_init    = prom_class_init,
 };
 
-typedef struct RamDevice
-{
-    SysBusDevice busdev;
+#define TYPE_SUN4M_MEMORY "memory"
+#define SUN4M_RAM(obj) OBJECT_CHECK(RamDevice, (obj), TYPE_SUN4M_MEMORY)
+
+typedef struct RamDevice {
+    SysBusDevice parent_obj;
+
     MemoryRegion ram;
     uint64_t size;
 } RamDevice;
@@ -734,7 +752,7 @@ typedef struct RamDevice
 /* System RAM */
 static int ram_init1(SysBusDevice *dev)
 {
-    RamDevice *d = FROM_SYSBUS(RamDevice, dev);
+    RamDevice *d = SUN4M_RAM(dev);
 
     memory_region_init_ram(&d->ram, OBJECT(d), "sun4m.ram", d->size);
     vmstate_register_ram_global(&d->ram);
@@ -760,7 +778,7 @@ static void ram_init(hwaddr addr, ram_addr_t RAM_size,
     dev = qdev_create(NULL, "memory");
     s = SYS_BUS_DEVICE(dev);
 
-    d = FROM_SYSBUS(RamDevice, s);
+    d = SUN4M_RAM(dev);
     d->size = RAM_size;
     qdev_init_nofail(dev);
 
@@ -782,7 +800,7 @@ static void ram_class_init(ObjectClass *klass, void *data)
 }
 
 static const TypeInfo ram_info = {
-    .name          = "memory",
+    .name          = TYPE_SUN4M_MEMORY,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(RamDevice),
     .class_init    = ram_class_init,