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hw/timer: QOM'ify arm_timer (pass 1) 

* assign icp_pit_init to icp_pit_info.instance_init
* split the old SysBus init function into an instance_init
  and a Device realize function
* use DeviceClass::realize instead of SysBusDeviceClass::init

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
xiaoqiang.zhao 2016-02-18 14:16:20 +00:00 committed by Peter Maydell
parent 9800ad88c8
commit 0d175e745f
1 changed files with 19 additions and 21 deletions
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40
hw/timer/arm_timer.c
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@ -277,21 +277,26 @@ static const VMStateDescription vmstate_sp804 = {
}
};
static int sp804_init(SysBusDevice *sbd)
static void sp804_init(Object *obj)
{
DeviceState *dev = DEVICE(sbd);
SP804State *s = SP804(dev);
SP804State *s = SP804(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
sysbus_init_irq(sbd, &s->irq);
memory_region_init_io(&s->iomem, obj, &sp804_ops, s,
"sp804", 0x1000);
sysbus_init_mmio(sbd, &s->iomem);
}
static void sp804_realize(DeviceState *dev, Error **errp)
{
SP804State *s = SP804(dev);
s->timer[0] = arm_timer_init(s->freq0);
s->timer[1] = arm_timer_init(s->freq1);
s->timer[0]->irq = qemu_allocate_irq(sp804_set_irq, s, 0);
s->timer[1]->irq = qemu_allocate_irq(sp804_set_irq, s, 1);
memory_region_init_io(&s->iomem, OBJECT(s), &sp804_ops, s,
"sp804", 0x1000);
sysbus_init_mmio(sbd, &s->iomem);
vmstate_register(dev, -1, &vmstate_sp804, s);
return 0;
}
/* Integrator/CP timer module. */
@ -344,9 +349,10 @@ static const MemoryRegionOps icp_pit_ops = {
.endianness = DEVICE_NATIVE_ENDIAN,
};
static int icp_pit_init(SysBusDevice *dev)
static void icp_pit_init(Object *obj)
{
icp_pit_state *s = INTEGRATOR_PIT(dev);
icp_pit_state *s = INTEGRATOR_PIT(obj);
SysBusDevice *dev = SYS_BUS_DEVICE(obj);
/* Timer 0 runs at the system clock speed (40MHz). */
s->timer[0] = arm_timer_init(40000000);
@ -358,26 +364,18 @@ static int icp_pit_init(SysBusDevice *dev)
sysbus_init_irq(dev, &s->timer[1]->irq);
sysbus_init_irq(dev, &s->timer[2]->irq);
memory_region_init_io(&s->iomem, OBJECT(s), &icp_pit_ops, s,
memory_region_init_io(&s->iomem, obj, &icp_pit_ops, s,
"icp_pit", 0x1000);
sysbus_init_mmio(dev, &s->iomem);
/* This device has no state to save/restore. The component timers will
save themselves. */
return 0;
}
static void icp_pit_class_init(ObjectClass *klass, void *data)
{
SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
sdc->init = icp_pit_init;
}
static const TypeInfo icp_pit_info = {
.name = TYPE_INTEGRATOR_PIT,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(icp_pit_state),
.class_init = icp_pit_class_init,
.instance_init = icp_pit_init,
};
static Property sp804_properties[] = {
@ -388,10 +386,9 @@ static Property sp804_properties[] = {
static void sp804_class_init(ObjectClass *klass, void *data)
{
SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
DeviceClass *k = DEVICE_CLASS(klass);
sdc->init = sp804_init;
k->realize = sp804_realize;
k->props = sp804_properties;
}
@ -399,6 +396,7 @@ static const TypeInfo sp804_info = {
.name = TYPE_SP804,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(SP804State),
.instance_init = sp804_init,
.class_init = sp804_class_init,
};