diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/OvmfPkg/Include/IndustryStandard/LegacyVgaBios.h | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/OvmfPkg/Include/IndustryStandard/LegacyVgaBios.h')
| -rw-r--r-- | roms/edk2/OvmfPkg/Include/IndustryStandard/LegacyVgaBios.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/roms/edk2/OvmfPkg/Include/IndustryStandard/LegacyVgaBios.h b/roms/edk2/OvmfPkg/Include/IndustryStandard/LegacyVgaBios.h new file mode 100644 index 000000000..38360a68b --- /dev/null +++ b/roms/edk2/OvmfPkg/Include/IndustryStandard/LegacyVgaBios.h @@ -0,0 +1,129 @@ +/** @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.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#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;
+
+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;
+} VBE2_MODE_INFO;
+#pragma pack ()
+
+#endif
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