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