提交 9936d6e4 编写于 作者: R Richard Henderson 提交者: Avi Kivity

m48t59: Convert to isa_register_ioport

The sysbus interface is as yet unconverted.
Signed-off-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAvi Kivity <avi@redhat.com>
上级 d7adb96f
......@@ -73,6 +73,7 @@ struct M48t59State {
typedef struct M48t59ISAState {
ISADevice busdev;
M48t59State state;
MemoryRegion io;
} M48t59ISAState;
typedef struct M48t59SysBusState {
......@@ -626,6 +627,15 @@ static void m48t59_reset_sysbus(DeviceState *d)
m48t59_reset_common(NVRAM);
}
static const MemoryRegionPortio m48t59_portio[] = {
{0, 4, 1, .read = NVRAM_readb, .write = NVRAM_writeb },
PORTIO_END_OF_LIST(),
};
static const MemoryRegionOps m48t59_io_ops = {
.old_portio = m48t59_portio,
};
/* Initialisation routine */
M48t59State *m48t59_init(qemu_irq IRQ, target_phys_addr_t mem_base,
uint32_t io_base, uint16_t size, int type)
......@@ -669,10 +679,9 @@ M48t59State *m48t59_init_isa(uint32_t io_base, uint16_t size, int type)
d = DO_UPCAST(M48t59ISAState, busdev, dev);
s = &d->state;
memory_region_init_io(&d->io, &m48t59_io_ops, s, "m48t59", 4);
if (io_base != 0) {
register_ioport_read(io_base, 0x04, 1, NVRAM_readb, s);
register_ioport_write(io_base, 0x04, 1, NVRAM_writeb, s);
isa_init_ioport_range(dev, io_base, 4);
isa_register_ioport(dev, &d->io, io_base);
}
return s;
......
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