On 08/04/2011 08:06 AM, Avi Kivity wrote:
Make use of the memory API's ability to satisfy multi-byte accesses via
multiple single-byte accesses.
Reviewed-by: Richard Henderson<r...@twiddle.net>
Signed-off-by: Avi Kivity<a...@redhat.com>
-static uint64_t cirrus_mmio_read(void *opaque, target_phys_addr_t addr,
- unsigned size)
-{
- CirrusVGAState *s = opaque;
-
- switch (size) {
- case 1: return cirrus_mmio_readb(s, addr);
- case 2: return cirrus_mmio_readw(s, addr);
- case 4: return cirrus_mmio_readl(s, addr);
- default: abort();
- }
-};
-
-static void cirrus_mmio_write(void *opaque, target_phys_addr_t addr,
- uint64_t data, unsigned size)
-{
- CirrusVGAState *s = opaque;
-
- switch (size) {
- case 1: return cirrus_mmio_writeb(s, addr, data);
- case 2: return cirrus_mmio_writew(s, addr, data);
- case 4: return cirrus_mmio_writel(s, addr, data);
- default: abort();
- }
-};
-
static const MemoryRegionOps cirrus_mmio_io_ops = {
.read = cirrus_mmio_read,
.write = cirrus_mmio_write,
.endianness = DEVICE_LITTLE_ENDIAN,
+ .impl = {
+ .min_access_size = 1,
+ .max_access_size = 1,
+ },
};
Nevermind, I get the lack of old_mmio usage now.
Regards,
Anthony Liguori
/* load/save state */
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