haraldwolff/qemu-patch-raspberry4
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

xen_platform: convert PIO to new memory api read/write

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

48
hw/xen_platform.c
View file

@ -228,18 +228,46 @@ static void platform_fixed_ioport_reset(void *opaque)
platform_fixed_ioport_writeb(s, 0, 0);
}
const MemoryRegionPortio xen_platform_ioport[] = {
{ 0, 16, 4, .write = platform_fixed_ioport_writel, },
{ 0, 16, 2, .write = platform_fixed_ioport_writew, },
{ 0, 16, 1, .write = platform_fixed_ioport_writeb, },
{ 0, 16, 2, .read = platform_fixed_ioport_readw, },
{ 0, 16, 1, .read = platform_fixed_ioport_readb, },
PORTIO_END_OF_LIST()
};
static uint64_t platform_fixed_ioport_read(void *opaque,
hwaddr addr,
unsigned size)
{
switch (size) {
case 1:
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 = {
.old_portio = xen_platform_ioport,
.endianness = DEVICE_NATIVE_ENDIAN,
.read = platform_fixed_ioport_read,
.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)