97917e9e02
Create a io region for an EDID data block. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20180925075646.25114-4-kraxel@redhat.com
34 lines
848 B
C
34 lines
848 B
C
#include "qemu/osdep.h"
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#include "qemu-common.h"
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#include "hw/display/edid.h"
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static uint64_t edid_region_read(void *ptr, hwaddr addr, unsigned size)
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{
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uint8_t *edid = ptr;
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return edid[addr];
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}
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static void edid_region_write(void *ptr, hwaddr addr,
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uint64_t val, unsigned size)
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{
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/* read only */
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}
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static const MemoryRegionOps edid_region_ops = {
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.read = edid_region_read,
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.write = edid_region_write,
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.valid.min_access_size = 1,
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.valid.max_access_size = 4,
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.impl.min_access_size = 1,
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.impl.max_access_size = 1,
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.endianness = DEVICE_LITTLE_ENDIAN,
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};
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void qemu_edid_region_io(MemoryRegion *region, Object *owner,
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uint8_t *edid, size_t size)
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{
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memory_region_init_io(region, owner, &edid_region_ops,
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edid, "edid", size);
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}
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