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

["Zhang, Xing Z" <xing.z.zhang@xxxxxxxxx>]

>-----Original Message-----
>From: Tristan Gingold [mailto:tgingold@xxxxxxx]
>Sent: 2007?12?12? 9:24
>To: Zhang, Xing Z
>Cc: tgingold@xxxxxxx; xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>Subject: Re: [Xen-ia64][GFW PATCH]VGA high color fix
>
>Hi,
>
>I have just commited and pushed your patch.

Thanks, I will go on looking for a clean up way for CopyMem()
>
>I'd really prefer to have the vga bios loaded like xen/x86, ie
>by qemu
>(or by the hvm loader).  This will save a lot of space and avoid
>duplication.

Yes, it's a natural way. Why VgaBios didn't load by QEMU at IA64 side, we need 
more investigation.

>
>I also think the ivt could be clean up.  It seems vgabios only
>set a few
>entries (2 ?).

Sure. I will clean up other unused IDT entry with dummy function.
>
>For the future, if the vgabios is loaded by qemu/hvm loader we
>could try
>to initialize the vga by running the vgabios.  We of course need
>an x86
>emulator and we could use x86emu (either the one from xfree86
>or the one
>of milo - the linux alpha loader).

I have little experience on the emulator you mentioned. Do you mean current 
code in VgaInit.c is duplication of VgaBios? If we add a x86 emulator, it may 
introduce more code in FW?
>
>Thoughts ?
>
>Thank you for this work,
>Tristan.

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