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[Qemu-devel] [PATCH qom-next for-1.6 v2] fdc: Fix inheritence for SUNW,
From: |
Andreas Färber |
Subject: |
[Qemu-devel] [PATCH qom-next for-1.6 v2] fdc: Fix inheritence for SUNW, fdtwo |
Date: |
Sat, 27 Jul 2013 03:50:07 +0200 |
Since commit dd3be7420774f7dc8f37a96ca24d07f0b6f31b3b SUNW,fdtwo's
initfn (realizefn since 940194c2369e50d91d1abf6f36d43853eea5e539)
was using SYSBUS_FDC() cast. This uses type sysbus-fdc rather than
SUNW,fdtwo.
Fix this by letting SUNW,fdtwo and sysbus-fdc both inherit from an
abstract type base-sysbus-fdc.
This allows to consolidate realizefns by using instance_init functions.
Clean up variable names and variable order while at it.
Reported-by: Mark Cave-Ayland <address@hidden>
Cc: Hu Tao <address@hidden>
Signed-off-by: Andreas Färber <address@hidden>
---
hw/block/fdc.c | 86 +++++++++++++++++++++++++++++-----------------------------
1 file changed, 43 insertions(+), 43 deletions(-)
diff --git a/hw/block/fdc.c b/hw/block/fdc.c
index d32f6ba..723d2c7 100644
--- a/hw/block/fdc.c
+++ b/hw/block/fdc.c
@@ -544,7 +544,7 @@ struct FDCtrl {
uint8_t timer1;
};
-#define TYPE_SYSBUS_FDC "sysbus-fdc"
+#define TYPE_SYSBUS_FDC "base-sysbus-fdc"
#define SYSBUS_FDC(obj) OBJECT_CHECK(FDCtrlSysBus, (obj), TYPE_SYSBUS_FDC)
typedef struct FDCtrlSysBus {
@@ -2153,60 +2153,49 @@ static void isabus_fdc_realize(DeviceState *dev, Error
**errp)
static void sysbus_fdc_initfn(Object *obj)
{
+ SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
FDCtrlSysBus *sys = SYSBUS_FDC(obj);
FDCtrl *fdctrl = &sys->state;
+ fdctrl->dma_chann = -1;
+
memory_region_init_io(&fdctrl->iomem, obj, &fdctrl_mem_ops, fdctrl,
"fdc", 0x08);
+ sysbus_init_mmio(sbd, &fdctrl->iomem);
}
-static void sysbus_fdc_realize(DeviceState *dev, Error **errp)
+static void sun4m_fdc_initfn(Object *obj)
{
- FDCtrlSysBus *sys = SYSBUS_FDC(dev);
+ SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+ FDCtrlSysBus *sys = SYSBUS_FDC(obj);
FDCtrl *fdctrl = &sys->state;
- SysBusDevice *b = SYS_BUS_DEVICE(dev);
- Error *err = NULL;
- sysbus_init_mmio(b, &fdctrl->iomem);
- sysbus_init_irq(b, &fdctrl->irq);
- qdev_init_gpio_in(dev, fdctrl_handle_tc, 1);
- fdctrl->dma_chann = -1;
+ fdctrl->sun4m = 1;
- qdev_set_legacy_instance_id(dev, 0 /* io */, 2); /* FIXME */
- fdctrl_realize_common(fdctrl, &err);
- if (err != NULL) {
- error_propagate(errp, err);
- return;
- }
+ memory_region_init_io(&fdctrl->iomem, obj, &fdctrl_mem_strict_ops,
+ fdctrl, "fdctrl", 0x08);
+ sysbus_init_mmio(sbd, &fdctrl->iomem);
}
-static void sun4m_fdc_initfn(Object *obj)
+static void sysbus_fdc_common_initfn(Object *obj)
{
+ DeviceState *dev = DEVICE(obj);
+ SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
FDCtrlSysBus *sys = SYSBUS_FDC(obj);
FDCtrl *fdctrl = &sys->state;
- memory_region_init_io(&fdctrl->iomem, obj, &fdctrl_mem_strict_ops,
- fdctrl, "fdctrl", 0x08);
+ qdev_set_legacy_instance_id(dev, 0 /* io */, 2); /* FIXME */
+
+ sysbus_init_irq(sbd, &fdctrl->irq);
+ qdev_init_gpio_in(dev, fdctrl_handle_tc, 1);
}
-static void sun4m_fdc_realize(DeviceState *dev, Error **errp)
+static void sysbus_fdc_common_realize(DeviceState *dev, Error **errp)
{
FDCtrlSysBus *sys = SYSBUS_FDC(dev);
FDCtrl *fdctrl = &sys->state;
- SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
- Error *err = NULL;
- sysbus_init_mmio(sbd, &fdctrl->iomem);
- sysbus_init_irq(sbd, &fdctrl->irq);
- qdev_init_gpio_in(dev, fdctrl_handle_tc, 1);
-
- fdctrl->sun4m = 1;
- qdev_set_legacy_instance_id(dev, 0 /* io */, 2); /* FIXME */
- fdctrl_realize_common(fdctrl, &err);
- if (err != NULL) {
- error_propagate(errp, err);
- return;
- }
+ fdctrl_realize_common(fdctrl, errp);
}
FDriveType isa_fdc_get_drive_type(ISADevice *fdc, int i)
@@ -2278,16 +2267,12 @@ static void sysbus_fdc_class_init(ObjectClass *klass,
void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
- dc->realize = sysbus_fdc_realize;
- dc->reset = fdctrl_external_reset_sysbus;
- dc->vmsd = &vmstate_sysbus_fdc;
dc->props = sysbus_fdc_properties;
}
static const TypeInfo sysbus_fdc_info = {
- .name = TYPE_SYSBUS_FDC,
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(FDCtrlSysBus),
+ .name = "sysbus-fdc",
+ .parent = TYPE_SYSBUS_FDC,
.instance_init = sysbus_fdc_initfn,
.class_init = sysbus_fdc_class_init,
};
@@ -2301,23 +2286,38 @@ static void sun4m_fdc_class_init(ObjectClass *klass,
void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
- dc->realize = sun4m_fdc_realize;
- dc->reset = fdctrl_external_reset_sysbus;
- dc->vmsd = &vmstate_sysbus_fdc;
dc->props = sun4m_fdc_properties;
}
static const TypeInfo sun4m_fdc_info = {
.name = "SUNW,fdtwo",
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(FDCtrlSysBus),
+ .parent = TYPE_SYSBUS_FDC,
.instance_init = sun4m_fdc_initfn,
.class_init = sun4m_fdc_class_init,
};
+static void sysbus_fdc_common_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ dc->realize = sysbus_fdc_common_realize;
+ dc->reset = fdctrl_external_reset_sysbus;
+ dc->vmsd = &vmstate_sysbus_fdc;
+}
+
+static const TypeInfo sysbus_fdc_type_info = {
+ .name = TYPE_SYSBUS_FDC,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(FDCtrlSysBus),
+ .instance_init = sysbus_fdc_common_initfn,
+ .abstract = true,
+ .class_init = sysbus_fdc_common_class_init,
+};
+
static void fdc_register_types(void)
{
type_register_static(&isa_fdc_info);
+ type_register_static(&sysbus_fdc_type_info);
type_register_static(&sysbus_fdc_info);
type_register_static(&sun4m_fdc_info);
}
--
1.8.1.4
- [Qemu-devel] [PATCH qom-next for-1.6 v2] fdc: Fix inheritence for SUNW, fdtwo,
Andreas Färber <=