RE: [Xen-ia64-devel] E100 emulator is ready

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

>
>VgaInit just setup the vga card (initialize registers and load
>a font).
>It doesn't install any protocol.
>
>VgaMiniPort publish a protocol to drive a VGA card.
>
>VgaClass is a layer to install SimpleTextOut on VgaMiniPorts
>
>*EntryPoint are commented because the entry point function is
>created by the
>build tool.  They also automatically install all protocols. See
>created files
>in BUILD/
>
>I don't know how things are supposed to work.  My hypothesis
>is:
>* Windows knows nothing about the Cirrus, ie all the work must
>be in the GFW.
>* Currently the graphic drivers are not compiled (no UGA, no
>GOP).
>* I suppose windows enable graphics during EFI phase.  And I
>think GOP is
>  required.
>
>The edk2 contains a Cirrus driver.  I suppose both GOP and UGA
>are supported.
>I had tested it.
>
>Tristan.
Which doc you refer to could tell me how to understand .spd file and .msa file? 
I search in EDK2's website but get nothing.
As far as now, I don't know how to configure these files to build a new driver. 

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