From bb058620c3b6bbddb99c9afff956dded7139897b Mon Sep 17 00:00:00 2001
From: bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Wed, 7 Apr 2004 20:21:16 +0000
Subject: [PATCH] refuse write accesses in BIOS area (aka EMM386.EXE fix) (Mike
 Nordell)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@712 c046a42c-6fe2-441c-8c8c-71466251a162
---
 hw/pc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/pc.c b/hw/pc.c
index e62d56da1c..496f365e6b 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -302,6 +302,7 @@ void pc_init(int ram_size, int vga_ram_size, int boot_device,
     
     /* setup basic memory access */
     cpu_register_physical_memory(0xc0000, 0x10000, 0xc0000 | IO_MEM_ROM);
+    cpu_register_physical_memory(0xd0000, 0x20000, IO_MEM_UNASSIGNED);
     cpu_register_physical_memory(0xf0000, 0x10000, 0xf0000 | IO_MEM_ROM);
     
     bochs_bios_init();