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: [PATCH] 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(-)
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,
--
2.30.2