From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1DuwQX-0000gu-Uk for qemu-devel@nongnu.org; Tue, 19 Jul 2005 14:02:46 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1DuwQV-0000fc-Bk for qemu-devel@nongnu.org; Tue, 19 Jul 2005 14:02:45 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DuwQU-0000ep-M3 for qemu-devel@nongnu.org; Tue, 19 Jul 2005 14:02:42 -0400 Received: from [62.2.95.247] (helo=smtp.hispeed.ch) by monty-python.gnu.org with esmtp (TLS-1.0:DHE_RSA_3DES_EDE_CBC_SHA:24) (Exim 4.34) id 1DuwWL-00045R-3f for qemu-devel@nongnu.org; Tue, 19 Jul 2005 14:08:45 -0400 Received: from nbbolle (80-218-108-238.dclient.hispeed.ch [80.218.108.238]) by smtp.hispeed.ch (8.12.6/8.12.6/tornado-1.0) with ESMTP id j6JHxA4D010188 for ; Tue, 19 Jul 2005 19:59:11 +0200 From: "Andreas Bollhalder" Date: Tue, 19 Jul 2005 20:00:21 +0200 Message-ID: <001201c58c8b$bb0c85b0$6401a8c0@geodb.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable In-Reply-To: Subject: [Qemu-devel] Writing to ROM-Range 0xC800-EFFF Reply-To: bolle@geodb.org, qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Hello What does I need to change in the source code of QEMU that it would be possible to enable write access to the ROM adresses from 0xC800 up to 0xEFFF ? For instance, "UMBPCI.SYS" (http://www.uwe-sieber.de/umbpci_e.html) can made this range accessible for direct access if no BIOS-ROM is using it. The original chipset which QEMU emulate (Intel 440FX) does allow this, but in QEMU, it won't work. Any ideas ? Andreas