From: Alexey Kardashevskiy <aik@ozlabs.ru>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Alexander Graf <agraf@suse.de>,
qemu-ppc@nongnu.org, qemu-devel <qemu-devel@nongnu.org>,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [Qemu-devel] [PATCH] spapr-pci: change endianness for io ports space
Date: Tue, 16 Jul 2013 12:17:24 +1000 [thread overview]
Message-ID: <51E4AD34.6010706@ozlabs.ru> (raw)
In-Reply-To: <CA+aC4ku8kJ84_pB3outAjV_QabF992KiifES3VK+uKQsMj+1_Q@mail.gmail.com>
On 07/16/2013 12:05 PM, Anthony Liguori wrote:
> On Mon, Jul 15, 2013 at 7:39 PM, Alexey Kardashevskiy <aik@ozlabs.ru> wrote:
>> On 07/16/2013 10:28 AM, Anthony Liguori wrote:
>>> Alexey Kardashevskiy <aik@ozlabs.ru> 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.
--
Alexey
prev parent reply other threads:[~2013-07-16 2:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-12 7:37 [Qemu-devel] [PATCH] spapr-pci: change endianness for io ports space Alexey Kardashevskiy
2013-07-12 8:59 ` [Qemu-devel] BUG report " Alexey Kardashevskiy
2013-07-12 11:25 ` Alexander Graf
2013-07-13 8:03 ` [Qemu-devel] " David Gibson
2013-07-14 13:22 ` Alexey Kardashevskiy
2013-07-15 15:02 ` Anthony Liguori
2013-07-15 23:06 ` Alexey Kardashevskiy
2013-07-16 0:28 ` Anthony Liguori
2013-07-16 0:39 ` Alexey Kardashevskiy
2013-07-16 2:05 ` Anthony Liguori
2013-07-16 2:17 ` Alexey Kardashevskiy [this message]
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