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QemuVideo: Add support for the bochs dispi interface

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Add code to handle qemu-emulated vga cards supporting the bochs dispi
interface (standard vga, qxl vga).  This requires qemu 1.3+ which
provides the bochs dispi interface data register on a aligned io
address.  See
http://git.qemu.org/?p=qemu.git;a=commitdiff;h=df9ffb726ff13f850b8829be1bc85ed621b903ac

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13968 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten
2012-11-27 19:11:29 +00:00
parent 212aac55fd
commit 54f9b9accb
4 changed files with 196 additions and 1 deletions
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3
OvmfPkg/QemuVideoDxe/Gop.c
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@@ -186,6 +186,9 @@ Routine Description:
case QEMU_VIDEO_CIRRUS_5446:
InitializeCirrusGraphicsMode (Private, &QemuVideoCirrusModes[ModeData->ModeNumber]);
break;
case QEMU_VIDEO_BOCHS:
InitializeBochsGraphicsMode (Private, &QemuVideoBochsModes[ModeData->ModeNumber]);
break;
default:
ASSERT (FALSE);
gBS->FreePool (Private->LineBuffer);