From b5fe14cc7efa4e3ef58f591728e69203287a9de4 Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Mon, 29 Aug 2011 09:12:49 +0300
Subject: memory: fix rom_device I/O mode

When adding a rom_device in I/O mode, we incorrectly masked off the low
bits, resulting in a pure RAM map.  Fix my masking off the high bits and
IO_MEM_ROMD, yielding a pure I/O map.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 memory.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'memory.c')

diff --git a/memory.c b/memory.c
index 1491a396ec..eb31fa8e58 100644
--- a/memory.c
+++ b/memory.c
@@ -304,7 +304,7 @@ static void as_memory_range_add(AddressSpace *as, FlatRange *fr)
     }
 
     if (!fr->readable) {
-        phys_offset &= TARGET_PAGE_MASK;
+        phys_offset &= ~TARGET_PAGE_MASK & ~IO_MEM_ROMD;
     }
 
     cpu_register_physical_memory_log(fr->addr.start,
-- 
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