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pc: Convert port92 to isa_register_ioport 

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Richard Henderson 2011-08-16 08:32:44 -07:00 committed by Avi Kivity
parent 0a039dc700
commit 23af670e53
1 changed files with 13 additions and 3 deletions
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16
hw/pc.c
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@ -428,6 +428,7 @@ void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
/* port 92 stuff: could be split off */
typedef struct Port92State {
ISADevice dev;
MemoryRegion io;
uint8_t outport;
qemu_irq *a20_out;
} Port92State;
@ -479,13 +480,22 @@ static void port92_reset(DeviceState *d)
s->outport &= ~1;
}
static const MemoryRegionPortio port92_portio[] = {
{ 0, 1, 1, .read = port92_read, .write = port92_write },
PORTIO_END_OF_LIST(),
};
static const MemoryRegionOps port92_ops = {
.old_portio = port92_portio
};
static int port92_initfn(ISADevice *dev)
{
Port92State *s = DO_UPCAST(Port92State, dev, dev);
register_ioport_read(0x92, 1, 1, port92_read, s);
register_ioport_write(0x92, 1, 1, port92_write, s);
isa_init_ioport(dev, 0x92);
memory_region_init_io(&s->io, &port92_ops, s, "port92", 1);
isa_register_ioport(dev, &s->io, 0x92);
s->outport = 0;
return 0;
}