1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "hw/display/edid.h"
static uint64_t edid_region_read(void *ptr, hwaddr addr, unsigned size)
{
uint8_t *edid = ptr;
return edid[addr];
}
static void edid_region_write(void *ptr, hwaddr addr,
uint64_t val, unsigned size)
{
/* read only */
}
static const MemoryRegionOps edid_region_ops = {
.read = edid_region_read,
.write = edid_region_write,
.valid.min_access_size = 1,
.valid.max_access_size = 4,
.impl.min_access_size = 1,
.impl.max_access_size = 1,
.endianness = DEVICE_LITTLE_ENDIAN,
};
void qemu_edid_region_io(MemoryRegion *region, Object *owner,
uint8_t *edid, size_t size)
{
memory_region_init_io(region, owner, &edid_region_ops,
edid, "edid", size);
}
|
