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[Xen-ia64-devel] Re: [Xen-ia64][GFW PATCH]VGA high color fix



Quoting "Zhang, Xing Z" <xing.z.zhang@xxxxxxxxx>:

> This patch fixes low VGA show in windows guest.

Congrat!

> The root cause is win2k3 will check VGA bios during HalInitSystem(). Open GFW
> has no VGA bios support.

I see.  I suppose win2k3 has an x86 emulator (or ia32-el).

> This patch is for that.

I suppose the cirrus bios is the cirrus-bios image ?

Do you know how it is loaded on x86/ia32 ?

>
> Hi Tristan:
>       I'd like to invoke CopyMem() which includes in BaseMemoryLib in 
> VgaInit.c. I
> add BaseMemoryLib declaration in VgaInit.msa but it still complains
> "undefined reference to CopyMem" during link time. What I lost? I directly
> copy InternalMemCopyMem() to VgaInit.c as a workaround but it need be
> replaced by CopyMem() when it is checked in. Could you offer me some help on
> this compiling issue?

I don't know how to do this by heart, but I will take care of this.

Tristan.

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