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xen_platform: convert PIO to new memory api read/write 

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2012-10-08 13:47:30 +02:00
parent 360d613e52
commit 626c7a171e
1 changed files with 38 additions and 10 deletions
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48
hw/xen_platform.c
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@ -228,18 +228,46 @@ static void platform_fixed_ioport_reset(void *opaque)
platform_fixed_ioport_writeb(s, 0, 0); platform_fixed_ioport_writeb(s, 0, 0);
} }
const MemoryRegionPortio xen_platform_ioport[] = { static uint64_t platform_fixed_ioport_read(void *opaque,
{ 0, 16, 4, .write = platform_fixed_ioport_writel, }, hwaddr addr,
{ 0, 16, 2, .write = platform_fixed_ioport_writew, }, unsigned size)
{ 0, 16, 1, .write = platform_fixed_ioport_writeb, }, {
{ 0, 16, 2, .read = platform_fixed_ioport_readw, }, switch (size) {
{ 0, 16, 1, .read = platform_fixed_ioport_readb, }, case 1:
PORTIO_END_OF_LIST() return platform_fixed_ioport_readb(opaque, addr);
}; case 2:
return platform_fixed_ioport_readw(opaque, addr);
default:
return -1;
}
}
static void platform_fixed_ioport_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size)
{
switch (size) {
case 1:
platform_fixed_ioport_writeb(opaque, addr, val);
break;
case 2:
platform_fixed_ioport_writew(opaque, addr, val);
break;
case 4:
platform_fixed_ioport_writel(opaque, addr, val);
break;
}
}
static const MemoryRegionOps platform_fixed_io_ops = { static const MemoryRegionOps platform_fixed_io_ops = {
.old_portio = xen_platform_ioport, .read = platform_fixed_ioport_read,
.endianness = DEVICE_NATIVE_ENDIAN, .write = platform_fixed_ioport_write,
.impl = {
.min_access_size = 1,
.max_access_size = 4,
},
.endianness = DEVICE_LITTLE_ENDIAN,
}; };
static void platform_fixed_ioport_init(PCIXenPlatformState* s) static void platform_fixed_ioport_init(PCIXenPlatformState* s)