Drop IO_MEM_ROMD

Unlike ->readonly, ->readable is not inherited from aliase, so we can simply
query the memory region.

Signed-off-by: Avi Kivity <avi@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/memory.h b/memory.h
index fbca6f146c..70f57fbc12 100644
--- a/memory.h
+++ b/memory.h
@@ -125,6 +125,7 @@ struct MemoryRegion {
     bool ram;
     bool readonly; /* For RAM regions */
     bool enabled;
+    bool rom_device;
     MemoryRegion *alias;
     target_phys_addr_t alias_offset;
     unsigned priority;