From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([140.186.70.92]:54065)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <rth7680@gmail.com>) id 1R3wI7-0004kU-65
	for qemu-devel@nongnu.org; Wed, 14 Sep 2011 16:42:44 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <rth7680@gmail.com>) id 1R3wI5-0003SE-KK
	for qemu-devel@nongnu.org; Wed, 14 Sep 2011 16:42:42 -0400
Received: from mail-fx0-f45.google.com ([209.85.161.45]:45521)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <rth7680@gmail.com>) id 1R3wI5-0003RF-FD
	for qemu-devel@nongnu.org; Wed, 14 Sep 2011 16:42:41 -0400
Received: by fxh13 with SMTP id 13so2090091fxh.4
	for <qemu-devel@nongnu.org>; Wed, 14 Sep 2011 13:42:40 -0700 (PDT)
Sender: Richard Henderson <rth7680@gmail.com>
Message-ID: <4E7111BB.1070608@twiddle.net>
Date: Wed, 14 Sep 2011 13:42:35 -0700
From: Richard Henderson <rth@twiddle.net>
MIME-Version: 1.0
References: <cover.1314033132.git.jan.kiszka@siemens.com>
	<4E6E2329.9050109@suse.de> <4E6E2631.4060300@siemens.com>
	<4E6E28FD.7070907@web.de> <4E6E2A06.8010900@siemens.com>
	<4E6E2BDC.3060702@siemens.com>
	<DD4F44FB-6EC2-44FD-8F29-5C83107D7C37@suse.de>
	<4E6F10DD.6060606@siemens.com>
	<6BA6355D-D77A-40F4-A8C4-61901A926E71@suse.de>
	<4E6F1BAF.2000105@siemens.com>
	<2A74238E-5C89-444B-9DB9-4B380D182AC3@suse.de>
	<4E6F3FB8.6060705@siemens.com>
	<CAAu8pHty2nzvikbMjgEu07UheuQLD3s1B2kGSvsEX-=wO38ZtA@mail.gmail.com>
	<4E7053A3.8090508@redhat.com>
	<B073C410-AB29-4037-ABAD-91880E88A2C2@suse.de>
	<4E706303.9040502@redhat.com> <4E7063D9.3040803@siemens.com>
	<4E70645D.8050100@redhat.com> <4E7064BA.1050700@siemens.com>
	<58B7465A-925F-4732-A557-AB57BEFCD64B@suse.de>
	<4E706763.8020706@redhat.com>
	<CAAu8pHv-jc7jyM6vnpfscZ-vViwh9ieT-Y8FN72SXBEDisj2bg@mail.gmail.com>
	<14B02BB3-FFB5-4B67-B0AC-6E6A9806AE0E@suse.de> <4E710BAB.
	6060705@redhat.com> <FA86B227-12A4-40ED-B14B-E00ACDABD3B1@suse.de>
In-Reply-To: <FA86B227-12A4-40ED-B14B-E00ACDABD3B1@suse.de>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty
 logging in chain 4 memory access mode
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Alexander Graf <agraf@suse.de>
Cc: Anthony Liguori <aliguori@us.ibm.com>, Jan Kiszka <jan.kiszka@siemens.com>, qemu-devel <qemu-devel@nongnu.org>, Blue Swirl <blauwirbel@gmail.com>, =?ISO-8859-1?Q?Andreas_F=E4rber?= <andreas.faerber@web.de>, Avi Kivity <avi@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>

On 09/14/2011 01:35 PM, Alexander Graf wrote:

>> Can you explain what the memory map looks like from the hardware point of view?
> 
> If you can tell me where to find out :). I seriously have zero experience in VGA mapping - and it sounds as if Blue has a pretty good idea what's going on.

He's not interested in the VGA bits, but in the PPC board bits.
How are addresses forwarded from the main system bus to the
PCI host bridge, for instance?


r~