diff options
Diffstat (limited to 'OvmfPkg/Include')
-rw-r--r-- | OvmfPkg/Include/IndustryStandard/LegacyVgaBios.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/OvmfPkg/Include/IndustryStandard/LegacyVgaBios.h b/OvmfPkg/Include/IndustryStandard/LegacyVgaBios.h new file mode 100644 index 0000000000..d55d1283f4 --- /dev/null +++ b/OvmfPkg/Include/IndustryStandard/LegacyVgaBios.h @@ -0,0 +1,97 @@ +/** @file
+ Type definitions related to the VBE (VESA BIOS Extension, Int10h AH=4Fh)
+ services GET INFORMATION (AL=00h) and GET MODE INFORMATION (AL=01h).
+
+ For reference, see Ralf Brown's Interrupt List:
+ <http://www.cs.cmu.edu/~ralf/files.html>
+ <http://www.ctyme.com/rbrown.htm>
+
+ Copyright (C) 2014, Red Hat, Inc.
+
+ This program and the accompanying materials are licensed and made available
+ under the terms and conditions of the BSD License which accompanies this
+ distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+ WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+
+#ifndef __LEGACY_VGA_BIOS_H__
+#define __LEGACY_VGA_BIOS_H__
+
+#include <Base.h>
+
+#pragma pack (1)
+typedef struct {
+ UINT8 Signature[4];
+ UINT16 VesaVersion;
+ UINT32 OemNameAddress;
+ UINT32 Capabilities;
+ UINT32 ModeListAddress;
+ UINT16 VideoMem64K;
+ UINT16 OemSoftwareVersion;
+ UINT32 VendorNameAddress;
+ UINT32 ProductNameAddress;
+ UINT32 ProductRevAddress;
+} VBE_INFO_BASE;
+
+typedef struct {
+ VBE_INFO_BASE Base;
+ UINT8 Buffer[256 - sizeof (VBE_INFO_BASE)];
+} VBE_INFO;
+
+typedef struct {
+ UINT16 ModeAttr;
+ UINT8 WindowAAttr;
+ UINT8 WindowBAttr;
+ UINT16 WindowGranularityKB;
+ UINT16 WindowSizeKB;
+ UINT16 WindowAStartSegment;
+ UINT16 WindowBStartSegment;
+ UINT32 WindowPositioningAddress;
+ UINT16 BytesPerScanLine;
+
+ UINT16 Width;
+ UINT16 Height;
+ UINT8 CharCellWidth;
+ UINT8 CharCellHeight;
+ UINT8 NumPlanes;
+ UINT8 BitsPerPixel;
+ UINT8 NumBanks;
+ UINT8 MemoryModel;
+ UINT8 BankSizeKB;
+ UINT8 NumImagePagesLessOne;
+ UINT8 Vbe3;
+
+ UINT8 RedMaskSize;
+ UINT8 RedMaskPos;
+ UINT8 GreenMaskSize;
+ UINT8 GreenMaskPos;
+ UINT8 BlueMaskSize;
+ UINT8 BlueMaskPos;
+ UINT8 ReservedMaskSize;
+ UINT8 ReservedMaskPos;
+ UINT8 DirectColorModeInfo;
+
+ UINT32 LfbAddress;
+ UINT32 OffScreenAddress;
+ UINT16 OffScreenSizeKB;
+
+ UINT16 BytesPerScanLineLinear;
+ UINT8 NumImagesLessOneBanked;
+ UINT8 NumImagesLessOneLinear;
+ UINT8 RedMaskSizeLinear;
+ UINT8 RedMaskPosLinear;
+ UINT8 GreenMaskSizeLinear;
+ UINT8 GreenMaskPosLinear;
+ UINT8 BlueMaskSizeLinear;
+ UINT8 BlueMaskPosLinear;
+ UINT8 ReservedMaskSizeLinear;
+ UINT8 ReservedMaskPosLinear;
+ UINT32 MaxPixelClockHz;
+ UINT8 Reserved[190];
+} VBE_MODE_INFO;
+#pragma pack ()
+
+#endif
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