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Re: [Xen-ia64-devel] [PATCH][GFW] allocate xen vram area and tell xen pc

from [Tristan Gingold]

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To:	Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Subject:	Re: [Xen-ia64-devel] [PATCH][GFW] allocate xen vram area and tell xen pci chip.
From:	Tristan Gingold <tgingold@xxxxxxx>
Date:	Thu, 11 Sep 2008 06:30:11 +0200
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On Thu, Sep 11, 2008 at 11:47:15AM +0900, Isaku Yamahata wrote:
> > Hi Isaku,
> > 
> > this looks to be slightly over-complex.  Why not programming the VGA
> > inside VgaInit ?
> 
> Because ioemu requires that tells xen chip before starting programming
> the VGA. After initializing VGA, it's too late to tell ioemu
> address of memory for vram.

Ok, but VgaInit is the first DXE to access to the VGA.  So you can
modify VgaInit to allocate and set address of vram memory before it
initializes the VGA card.

Tristan.

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[Xen-ia64-devel] [PATCH][GFW] allocate xen vram area and tell xen pci chip., Isaku Yamahata Re: [Xen-ia64-devel] [PATCH][GFW] allocate xen vram area and tell xen pci chip., tgingold Re: [Xen-ia64-devel] [PATCH][GFW] allocate xen vram area and tell xen pci chip., Isaku Yamahata Re: [Xen-ia64-devel] [PATCH][GFW] allocate xen vram area and tell xen pci chip., Tristan Gingold <= Re: [Xen-ia64-devel] [PATCH][GFW] allocate xen vram area and tell xen pci chip., Isaku Yamahata Re: [Xen-ia64-devel] [PATCH][GFW] allocate xen vram area and tell xen pci chip., Tristan Gingold

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