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Re: [Qemu-ppc] [Qemu-devel] [PATCH] spapr-pci: change endianness for io

From: Alexey Kardashevskiy
Subject: Re: [Qemu-ppc] [Qemu-devel] [PATCH] spapr-pci: change endianness for io ports space
Date: Tue, 16 Jul 2013 12:17:24 +1000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6

On 07/16/2013 12:05 PM, Anthony Liguori wrote:
> On Mon, Jul 15, 2013 at 7:39 PM, Alexey Kardashevskiy <address@hidden> wrote:
>> On 07/16/2013 10:28 AM, Anthony Liguori wrote:
>>> Alexey Kardashevskiy <address@hidden> writes:
>>> The right solution is to drop the additional IO region on sPAPR and
>>> remove the ISA devices marking themselves as "little endian".
>> No, this is not endianness, this is something different caused by a
>> difference in IO port registration (subpage? section? memoryregion? I am
>> going to draw a graph and try realize what is what here :) ).
>> Even very first IO port access does not reach VGA, fails somehow in
>> address_space_translate_internal() but devices other than VGA (well, at
>> least network devices) work perfectly.
> Can you be more specific about what's failing?  VGA works fine for me with 
> TCG.

With the patch we are replying to? Wow. Does not work for me (full
emulation or kvm) - does not show even a single symbol.


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