1 | #include "qemu/osdep.h" |
2 | #include "exec/memory.h" |
3 | #include "hw/display/edid.h" |
4 | |
5 | static uint64_t edid_region_read(void *ptr, hwaddr addr, unsigned size) |
6 | { |
7 | uint8_t *edid = ptr; |
8 | |
9 | return edid[addr]; |
10 | } |
11 | |
12 | static void edid_region_write(void *ptr, hwaddr addr, |
13 | uint64_t val, unsigned size) |
14 | { |
15 | /* read only */ |
16 | } |
17 | |
18 | static const MemoryRegionOps edid_region_ops = { |
19 | .read = edid_region_read, |
20 | .write = edid_region_write, |
21 | .valid.min_access_size = 1, |
22 | .valid.max_access_size = 4, |
23 | .impl.min_access_size = 1, |
24 | .impl.max_access_size = 1, |
25 | .endianness = DEVICE_LITTLE_ENDIAN, |
26 | }; |
27 | |
28 | void qemu_edid_region_io(MemoryRegion *region, Object *owner, |
29 | uint8_t *edid, size_t size) |
30 | { |
31 | memory_region_init_io(region, owner, &edid_region_ops, |
32 | edid, "edid" , size); |
33 | } |
34 | |