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From: Avi Kivity <avi@qumranet.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Matt_Domsch@Dell.com, pjones@redhat.com, kvm@vger.kernel.org,
	Anthony Liguori <aliguori@us.ibm.com>
Subject: Re: qemu oddness with isolinux vesamenu.c32
Date: Mon, 21 Jul 2008 12:43:08 +0300	[thread overview]
Message-ID: <48845A2C.4050306@qumranet.com> (raw)
In-Reply-To: <488298A3.9050502@zytor.com>

H. Peter Anvin wrote:
> H. Peter Anvin wrote:
>>
>> Yes, although simulating the memory "pre-shadowed" works just as 
>> well; then it should be marked readonly by the BIOS immediately prior 
>> to running INT 19h.
>>
>
> On top of this, getting proper DDIM support and PCI expansion ROM into 
> the BIOS would be a good thing.  A PCI expansion ROM is attached to a 
> PCI device as a BAR and mapped into high memory, it is then copied to 
> shadowed RAM by the BIOS and its initialization stub is run.  This is 
> done one device at a time, so that the initialization code can be 
> discarded, per the DDIM spec.

I imagine it's necessary for proper pci device assignment.

-- 
error compiling committee.c: too many arguments to function


  reply	other threads:[~2008-07-21  9:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <E9909A75A543064DB66E55B8E3BE41EC72701C@ausx3mps307.aus.amer.dell.com>
     [not found] ` <48800A9D.1080403@zytor.com>
2008-07-18 16:25   ` qemu oddness with isolinux vesamenu.c32 H. Peter Anvin
2008-07-18 16:53     ` H. Peter Anvin
2008-07-19  7:37     ` Avi Kivity
2008-07-19 18:29       ` H. Peter Anvin
2008-07-20  1:45         ` H. Peter Anvin
2008-07-21  9:43           ` Avi Kivity [this message]
2008-07-21 12:51             ` H. Peter Anvin

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