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pc: QOM'ify port 92

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Introduce type constant and cast macro to obsolete DO_UPCAST().

Prepares for ISA realizefn.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-12-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Andreas Färber 2013-04-27 22:18:46 +02:00 committed by Anthony Liguori
parent b0dc5ee6bd
commit a0881c6408
1 changed files with 9 additions and 5 deletions
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14
hw/i386/pc.c
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@ -429,9 +429,13 @@ void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
qemu_register_reset(pc_cmos_init_late, &arg);
}
#define TYPE_PORT92 "port92"
#define PORT92(obj) OBJECT_CHECK(Port92State, (obj), TYPE_PORT92)
/* port 92 stuff: could be split off */
typedef struct Port92State {
ISADevice dev;
ISADevice parent_obj;
MemoryRegion io;
uint8_t outport;
qemu_irq *a20_out;
@ -463,7 +467,7 @@ static uint64_t port92_read(void *opaque, hwaddr addr,
static void port92_init(ISADevice *dev, qemu_irq *a20_out)
{
Port92State *s = DO_UPCAST(Port92State, dev, dev);
Port92State *s = PORT92(dev);
s->a20_out = a20_out;
}
@ -481,7 +485,7 @@ static const VMStateDescription vmstate_port92_isa = {
static void port92_reset(DeviceState *d)
{
Port92State *s = container_of(d, Port92State, dev.qdev);
Port92State *s = PORT92(d);
s->outport &= ~1;
}
@ -498,7 +502,7 @@ static const MemoryRegionOps port92_ops = {
static int port92_initfn(ISADevice *dev)
{
Port92State *s = DO_UPCAST(Port92State, dev, dev);
Port92State *s = PORT92(dev);
memory_region_init_io(&s->io, &port92_ops, s, "port92", 1);
isa_register_ioport(dev, &s->io, 0x92);
@ -518,7 +522,7 @@ static void port92_class_initfn(ObjectClass *klass, void *data)
}
static const TypeInfo port92_info = {
.name = "port92",
.name = TYPE_PORT92,
.parent = TYPE_ISA_DEVICE,
.instance_size = sizeof(Port92State),
.class_init = port92_class_initfn,