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Re: [Xen-ia64-devel] Re: [Xen-devel] [PATCH] Add lost logic for VGAinitialization

To: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Wed, 26 Jul 2006 10:03:08 +0100
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Wed, 26 Jul 2006 02:03:16 -0700
List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>


On 26 Jul 2006, at 09:54, Tian, Kevin wrote:


It's IA64 specific. On xen/x86, vga bios is copied to 0xD0000 by guest
firmware. However on ia64 platform, native firmware depends on some
initialization vga state at power on and so does guest firmware. That's

why that vga bios initialization stub is required for vti domain, tomatch

platform requirement.


Thanks, makes sense.

 -- Keir


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References:
- RE: [Xen-ia64-devel] Re: [Xen-devel] [PATCH] Add lost logic for VGAinitialization
  - From: Tian, Kevin

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