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Re: [Qemu-devel] [PATCH v2 8/9] hw/sparc: QOM'ify sun4m.c


From: Philippe Mathieu-Daudé
Subject: Re: [Qemu-devel] [PATCH v2 8/9] hw/sparc: QOM'ify sun4m.c
Date: Sat, 29 Apr 2017 19:29:29 -0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

On 04/29/2017 07:49 AM, xiaoqiang zhao wrote:
Drop the old SysBusDeviceClass::init and use instance_init
or DeviceClass::realize instead

Signed-off-by: xiaoqiang zhao <address@hidden>

Reviewed-by: Philippe Mathieu-Daudé <address@hidden>

---
 hw/sparc/sun4m.c | 54 +++++++++++++++++++-----------------------------------
 1 file changed, 19 insertions(+), 35 deletions(-)

diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
index 5f022cc08d..0faff4619f 100644
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@@ -585,30 +585,23 @@ typedef struct IDRegState {
     MemoryRegion mem;
 } IDRegState;

-static int idreg_init1(SysBusDevice *dev)
+static void idreg_init1(Object *obj)
 {
-    IDRegState *s = MACIO_ID_REGISTER(dev);
+    IDRegState *s = MACIO_ID_REGISTER(obj);
+    SysBusDevice *dev = SYS_BUS_DEVICE(obj);

-    memory_region_init_ram(&s->mem, OBJECT(s),
+    memory_region_init_ram(&s->mem, obj,
                            "sun4m.idreg", sizeof(idreg_data), &error_fatal);
     vmstate_register_ram_global(&s->mem);
     memory_region_set_readonly(&s->mem, true);
     sysbus_init_mmio(dev, &s->mem);
-    return 0;
-}
-
-static void idreg_class_init(ObjectClass *klass, void *data)
-{
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
-    k->init = idreg_init1;
 }

 static const TypeInfo idreg_info = {
     .name          = TYPE_MACIO_ID_REGISTER,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(IDRegState),
-    .class_init    = idreg_class_init,
+    .instance_init = idreg_init1,
 };

 #define TYPE_TCX_AFX "tcx_afx"
@@ -633,28 +626,21 @@ static void afx_init(hwaddr addr)
     sysbus_mmio_map(s, 0, addr);
 }

-static int afx_init1(SysBusDevice *dev)
+static void afx_init1(Object *obj)
 {
-    AFXState *s = TCX_AFX(dev);
+    AFXState *s = TCX_AFX(obj);
+    SysBusDevice *dev = SYS_BUS_DEVICE(obj);

-    memory_region_init_ram(&s->mem, OBJECT(s), "sun4m.afx", 4, &error_fatal);
+    memory_region_init_ram(&s->mem, obj, "sun4m.afx", 4, &error_fatal);
     vmstate_register_ram_global(&s->mem);
     sysbus_init_mmio(dev, &s->mem);
-    return 0;
-}
-
-static void afx_class_init(ObjectClass *klass, void *data)
-{
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
-    k->init = afx_init1;
 }

 static const TypeInfo afx_info = {
     .name          = TYPE_TCX_AFX,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(AFXState),
-    .class_init    = afx_class_init,
+    .instance_init = afx_init1,
 };

 #define TYPE_OPENPROM "openprom"
@@ -707,16 +693,16 @@ static void prom_init(hwaddr addr, const char *bios_name)
     }
 }

-static int prom_init1(SysBusDevice *dev)
+static void prom_init1(Object *obj)
 {
-    PROMState *s = OPENPROM(dev);
+    PROMState *s = OPENPROM(obj);
+    SysBusDevice *dev = SYS_BUS_DEVICE(obj);

-    memory_region_init_ram(&s->prom, OBJECT(s), "sun4m.prom", PROM_SIZE_MAX,
+    memory_region_init_ram(&s->prom, obj, "sun4m.prom", PROM_SIZE_MAX,
                            &error_fatal);
     vmstate_register_ram_global(&s->prom);
     memory_region_set_readonly(&s->prom, true);
     sysbus_init_mmio(dev, &s->prom);
-    return 0;
 }

 static Property prom_properties[] = {
@@ -726,9 +712,7 @@ static Property prom_properties[] = {
 static void prom_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);

-    k->init = prom_init1;
     dc->props = prom_properties;
 }

@@ -737,6 +721,7 @@ static const TypeInfo prom_info = {
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(PROMState),
     .class_init    = prom_class_init,
+    .instance_init = prom_init1,
 };

 #define TYPE_SUN4M_MEMORY "memory"
@@ -750,14 +735,14 @@ typedef struct RamDevice {
 } RamDevice;

 /* System RAM */
-static int ram_init1(SysBusDevice *dev)
+static void ram_realize(DeviceState *dev, Error **errp)
 {
     RamDevice *d = SUN4M_RAM(dev);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);

     memory_region_allocate_system_memory(&d->ram, OBJECT(d), "sun4m.ram",
                                          d->size);
-    sysbus_init_mmio(dev, &d->ram);
-    return 0;
+    sysbus_init_mmio(sbd, &d->ram);
 }

 static void ram_init(hwaddr addr, ram_addr_t RAM_size,
@@ -793,9 +778,8 @@ static Property ram_properties[] = {
 static void ram_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);

-    k->init = ram_init1;
+    dc->realize = ram_realize;
     dc->props = ram_properties;
 }





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