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heathrow: change heathrow_pic_init() to return the heathrow device

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This enables the device to be made available during the setup of the Old World
machine. In order to pass back the previous set of IRQs we temporarily introduce
a new pic_irqs parameter until it can be removed.

An additional benefit of this change is that it is also possible to remove the
pic_mem pointer used for macio by accessing the memory region via sysbus.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Mark Cave-Ayland 2018-02-28 20:32:36 +00:00 • committed by David Gibson
parent ec7c2709d7
commit c29646009a
3 changed files with 13 additions and 10 deletions
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10
hw/intc/heathrow_pic.c
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@ -170,13 +170,15 @@ static void heathrow_reset(DeviceState *d)
static void heathrow_init(Object *obj)
{
HeathrowState *s = HEATHROW(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
memory_region_init_io(&s->mem, OBJECT(s), &heathrow_ops, s,
"heathrow-pic", 0x1000);
sysbus_init_mmio(sbd, &s->mem);
}
qemu_irq *heathrow_pic_init(MemoryRegion **pmem,
int nb_cpus, qemu_irq **irqs)
DeviceState *heathrow_pic_init(int nb_cpus, qemu_irq **irqs,
qemu_irq **pic_irqs)
{
DeviceState *d;
HeathrowState *s;
@ -188,9 +190,9 @@ qemu_irq *heathrow_pic_init(MemoryRegion **pmem,
/* only 1 CPU */
s->irqs = irqs[0];
*pmem = &s->mem;
*pic_irqs = qemu_allocate_irqs(heathrow_set_irq, s, HEATHROW_NUM_IRQS);
return qemu_allocate_irqs(heathrow_set_irq, s, HEATHROW_NUM_IRQS);
return d;
}
static void heathrow_class_init(ObjectClass *oc, void *data)