[Edk2 Dev] RE: [EDK DEV] GraphicsOutput in Duet EDK-II

Subject: [Edk2 Dev] RE: [EDK DEV] GraphicsOutput in Duet EDK-II

From: Lu ken <ken.lu@intel.com>

To: dev@edk.tianocore.org

Date: 2009-02-28 01:25:19

  • 2009-02-28 01:25:19  Lu ken   [Edk2 Dev] RE: [EDK DEV] GraphicsOutput in Duet EDK-II
Hi, SN:
	The VgaClass and VgaMiniPort produce the simple text out protocol for text mode which frame buffer is at legacy regison 0xb8000.
	If want to enable graphic mode for Duet in edk2, you need a module can produce EFI_UGA_DRAW_PROTOCOL or EFI_GRAPHICS_OUTPUT_PROTOCOL.
	In edk codebase, following two drivers could provide EFI_UGA_DRAW_PROTOCOL via legacy bios thunk.
	Edk\Sample\Csm\BiosThunk\Video\Dxe\
	Edk\Sample\Csm\LegacyBiosThunk\Dxe\
	
	You could put their binary into edk2 duet's fdf file directly. Then you can get graphic output.

	Thanks. 

-----Original Message-----
From: Raviprasad SN [mailto:raviprasadsn@gmail.com] 
Sent: Friday, February 27, 2009 4:38 PM
To: dev@edk.tianocore.org
Subject: RE: [EDK DEV] GraphicsOutput in Duet EDK-II

I'm Using DUET to boot my test system. Its not under VMWare. As I said, I'm using EDKII and I have the GraphicsConsole, ConsoleSplitter, VgaClass and VgaMiniPort drivers loaded. I observe that GraphicsConsole, VgaClass abd VgaMiniPort doesnot manage any devices. 

How do I get to Graphics Mode using DUET in EDKII.

Thanks,
-Ravi

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