From: Brad Smith <brad@comstyle.com>
To: Sebastian Herbszt <herbszt@gmx.de>
Cc: Gerd Hoffmann <kraxel@redhat.com>,
Anthony Liguori <anthony@codemonkey.ws>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] Ensure PCIR is aligned to 4 bytes
Date: Wed, 25 Sep 2013 19:24:54 -0400 [thread overview]
Message-ID: <524370C6.3010603@comstyle.com> (raw)
In-Reply-To: <20130921183824.00002cd3@unknown>
On 21/09/13 12:38 PM, Sebastian Herbszt wrote:
> Brad Smith wrote:
>> On 19/09/13 12:53 PM, Sebastian Herbszt wrote:
>>> Brad Smith wrote:
>>>> On 20/01/13 1:12 PM, David Woodhouse wrote:
>>>>> The PCI Firmware Specification apparently requires that the PCI
>>>>> Data Structure be DWORD-aligned. The implementation in OVMF also
>>>>> requires this, so vgabios ROMs don't work there. With this fixed,
>>>>> I can now initialise the VGA ROM from EFI, and EFI can display
>>>>> using INT 10h services.
>>>>>
>>>>> --- vgabios-0.6c/vgabios.c.orig 2013-01-20
>>>>> 11:33:36.138548472 -0600 +++ vgabios-0.6c/vgabios.c
>>>>> 2013-01-20 11:36:26.060270163 -0600 @@ -204,6 +204,7 @@
>>>>> vgabios_website: .byte 0x00
>>>>>
>>>>> #ifdef PCIBIOS
>>>>> +.align 4 // DWORD alignment required by PCI Firmware
>>>>> Specification vgabios_pci_data:
>>>>> .ascii "PCIR"
>>>>> #ifdef CIRRUS
>>>>
>>>> We have had this in the OpenBSD port of QEMU for awhile now. Is it
>>>> possible to have this reviewed and commited?
>>>
>>> This change was commited to upstream vgabios back in February [1].
>>
>> But that has not resulted in it being brought into QEMU.
>
> Gerd, Anthony, care to update QEMU's vgabios repository [1] with
> changes from upstream CVS repository [2]?
>
> [1] http://git.qemu.org/?p=vgabios.git
> [2] http://cvs.savannah.gnu.org/viewvc/?root=vgabios
Any comment?
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next prev parent reply other threads:[~2013-09-25 23:27 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-19 16:53 [Qemu-devel] [PATCH] Ensure PCIR is aligned to 4 bytes Sebastian Herbszt
2013-09-20 22:43 ` Brad Smith
2013-09-21 16:38 ` Sebastian Herbszt
2013-09-25 23:24 ` Brad Smith [this message]
2013-10-09 1:56 ` Brad Smith
2013-10-09 15:18 ` Andreas Färber
2013-10-10 19:17 ` Sebastian Herbszt
2013-10-11 6:31 ` Gerd Hoffmann
2013-11-24 20:35 ` Brad Smith
2013-11-25 7:02 ` Gerd Hoffmann
-- strict thread matches above, loose matches on Subject: below --
2013-01-20 18:12 David Woodhouse
2013-09-13 0:05 ` Brad Smith
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