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xen-ia64-devel
RE: [Xen-ia64-devel] Re: [Xen-devel] [PATCH] Add lost logic for VGAiniti
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To: |
"Tian, Kevin" <kevin.tian@xxxxxxxxx>, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, "Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx> |
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Subject: |
RE: [Xen-ia64-devel] Re: [Xen-devel] [PATCH] Add lost logic for VGAinitialization |
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From: |
"Tian, Kevin" <kevin.tian@xxxxxxxxx> |
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Date: |
Wed, 26 Jul 2006 16:57:21 +0800 |
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Cc: |
xen-devel@xxxxxxxxxxxxxxxxxxx, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx |
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Wed, 26 Jul 2006 01:58:01 -0700 |
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Thread-topic: |
[Xen-ia64-devel] Re: [Xen-devel] [PATCH] Add lost logic for VGAinitialization |
>From: Tian, Kevin
>Sent: 2006年7月26日 16:55
>>
>>How come the new qemu code seems to have perfectly working VGA
>>without
>>this patch?
>>
>> -- Keir
>>
>
>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, to match
>platform requirement.
>
>Thanks
>Kevin
Oops, I meant 0xC0000 indeed. :-)
Thanks,
Kevin
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