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diff --git a/include/VBox/Graphics/VBoxVideoVBEPrivate.h b/include/VBox/Graphics/VBoxVideoVBEPrivate.h
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+/** @file
+ * VirtualBox graphics card definitions, private interface for firmware
+ */
+
+/*
+ * Copyright (C) 2006-2023 Oracle and/or its affiliates.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef VBOX_INCLUDED_Graphics_VBoxVideoVBEPrivate_h
+#define VBOX_INCLUDED_Graphics_VBoxVideoVBEPrivate_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#ifdef VBE
+# include <stdint.h>
+#else
+# include <iprt/types.h>
+#endif
+
+/* VBE Mode Numbers */
+#define VBE_MODE_VESA_DEFINED 0x0100
+#define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800
+#define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000
+#define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000
+
+/* VBE GFX Mode Number */
+#define VBE_VESA_MODE_640X400X8 0x100
+#define VBE_VESA_MODE_640X480X8 0x101
+#define VBE_VESA_MODE_800X600X4 0x102
+#define VBE_VESA_MODE_800X600X8 0x103
+#define VBE_VESA_MODE_1024X768X4 0x104
+#define VBE_VESA_MODE_1024X768X8 0x105
+#define VBE_VESA_MODE_1280X1024X4 0x106
+#define VBE_VESA_MODE_1280X1024X8 0x107
+#define VBE_VESA_MODE_320X200X1555 0x10D
+#define VBE_VESA_MODE_320X200X565 0x10E
+#define VBE_VESA_MODE_320X200X888 0x10F
+#define VBE_VESA_MODE_640X480X1555 0x110
+#define VBE_VESA_MODE_640X480X565 0x111
+#define VBE_VESA_MODE_640X480X888 0x112
+#define VBE_VESA_MODE_800X600X1555 0x113
+#define VBE_VESA_MODE_800X600X565 0x114
+#define VBE_VESA_MODE_800X600X888 0x115
+#define VBE_VESA_MODE_1024X768X1555 0x116
+#define VBE_VESA_MODE_1024X768X565 0x117
+#define VBE_VESA_MODE_1024X768X888 0x118
+#define VBE_VESA_MODE_1280X1024X1555 0x119
+#define VBE_VESA_MODE_1280X1024X565 0x11A
+#define VBE_VESA_MODE_1280X1024X888 0x11B
+#define VBE_VESA_MODE_1600X1200X8 0x11C
+#define VBE_VESA_MODE_1600X1200X1555 0x11D
+#define VBE_VESA_MODE_1600X1200X565 0x11E
+#define VBE_VESA_MODE_1600X1200X888 0x11F
+
+/* BOCHS/PLEX86 'own' mode numbers */
+#define VBE_OWN_MODE_320X200X8888 0x140
+#define VBE_OWN_MODE_640X400X8888 0x141
+#define VBE_OWN_MODE_640X480X8888 0x142
+#define VBE_OWN_MODE_800X600X8888 0x143
+#define VBE_OWN_MODE_1024X768X8888 0x144
+#define VBE_OWN_MODE_1280X1024X8888 0x145
+#define VBE_OWN_MODE_320X200X8 0x146
+#define VBE_OWN_MODE_1600X1200X8888 0x147
+#define VBE_OWN_MODE_1152X864X8 0x148
+#define VBE_OWN_MODE_1152X864X1555 0x149
+#define VBE_OWN_MODE_1152X864X565 0x14a
+#define VBE_OWN_MODE_1152X864X888 0x14b
+#define VBE_OWN_MODE_1152X864X8888 0x14c
+
+/* VirtualBox 'own' mode numbers */
+#define VBE_VBOX_MODE_CUSTOM1 0x160
+#define VBE_VBOX_MODE_CUSTOM2 0x161
+#define VBE_VBOX_MODE_CUSTOM3 0x162
+#define VBE_VBOX_MODE_CUSTOM4 0x163
+#define VBE_VBOX_MODE_CUSTOM5 0x164
+#define VBE_VBOX_MODE_CUSTOM6 0x165
+#define VBE_VBOX_MODE_CUSTOM7 0x166
+#define VBE_VBOX_MODE_CUSTOM8 0x167
+#define VBE_VBOX_MODE_CUSTOM9 0x168
+#define VBE_VBOX_MODE_CUSTOM10 0x169
+#define VBE_VBOX_MODE_CUSTOM11 0x16a
+#define VBE_VBOX_MODE_CUSTOM12 0x16b
+#define VBE_VBOX_MODE_CUSTOM13 0x16c
+#define VBE_VBOX_MODE_CUSTOM14 0x16d
+#define VBE_VBOX_MODE_CUSTOM15 0x16e
+#define VBE_VBOX_MODE_CUSTOM16 0x16f
+
+#define VBE_VESA_MODE_END_OF_LIST 0xFFFF
+
+/* Capabilities */
+#define VBE_CAPABILITY_8BIT_DAC 0x0001
+#define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002
+#define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004
+#define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008
+#define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010
+
+/* Mode Attributes */
+#define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001
+#define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002
+#define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004
+#define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008
+#define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010
+#define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020
+#define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040
+#define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080
+#define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100
+#define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200
+#define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400
+#define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800
+#define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000
+
+#define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )
+
+/* Window attributes */
+#define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01
+#define VBE_WINDOW_ATTRIBUTE_READABLE 0x02
+#define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04
+
+/* Memory model */
+#define VBE_MEMORYMODEL_TEXT_MODE 0x00
+#define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01
+#define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02
+#define VBE_MEMORYMODEL_PLANAR 0x03
+#define VBE_MEMORYMODEL_PACKED_PIXEL 0x04
+#define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05
+#define VBE_MEMORYMODEL_DIRECT_COLOR 0x06
+#define VBE_MEMORYMODEL_YUV 0x07
+
+/* DirectColorModeInfo */
+#define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01
+#define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02
+
+/* Video memory */
+#define VGAMEM_GRAPH 0xA000
+
+/**
+ * VBE Bios Extra Data structure.
+ */
+typedef struct VBEHeader
+{
+ /** Signature (VBEHEADER_MAGIC). */
+ uint16_t u16Signature;
+ /** Data size. */
+ uint16_t cbData;
+} VBEHeader;
+
+/** The value of the VBEHeader::u16Signature field. */
+#define VBEHEADER_MAGIC 0x77CC
+
+/** The extra port which is used to read the mode list. */
+#define VBE_EXTRA_PORT 0x3b6
+
+/** The extra port which is used for debug printf. */
+#define VBE_PRINTF_PORT 0x3b7
+
+/**
+ * This one is for compactly storing a list of mode info blocks
+ */
+#pragma pack(1) /* pack(1) is important! (you'll get a byte extra for each of the u8 fields elsewise...)
+ * bird: Load of non-sense. You'll get two extra bytes before MaxPixelClock if you don't pack it. */
+typedef struct ModeInfoBlockCompact
+{
+ /* Mandatory information for all VBE revisions */
+ uint16_t ModeAttributes;
+ uint8_t WinAAttributes;
+ uint8_t WinBAttributes;
+ uint16_t WinGranularity;
+ uint16_t WinSize;
+ uint16_t WinASegment;
+ uint16_t WinBSegment;
+ uint32_t WinFuncPtr;
+ uint16_t BytesPerScanLine;
+ /* Mandatory information for VBE 1.2 and above */
+ uint16_t XResolution;
+ uint16_t YResolution;
+ uint8_t XCharSize;
+ uint8_t YCharSize;
+ uint8_t NumberOfPlanes;
+ uint8_t BitsPerPixel;
+ uint8_t NumberOfBanks;
+ uint8_t MemoryModel;
+ uint8_t BankSize;
+ uint8_t NumberOfImagePages;
+ uint8_t Reserved_page;
+ /* Direct Color fields (required for direct/6 and YUV/7 memory models) */
+ uint8_t RedMaskSize;
+ uint8_t RedFieldPosition;
+ uint8_t GreenMaskSize;
+ uint8_t GreenFieldPosition;
+ uint8_t BlueMaskSize;
+ uint8_t BlueFieldPosition;
+ uint8_t RsvdMaskSize;
+ uint8_t RsvdFieldPosition;
+ uint8_t DirectColorModeInfo;
+ /* Mandatory information for VBE 2.0 and above */
+ uint32_t PhysBasePtr;
+ uint32_t OffScreenMemOffset;
+ uint16_t OffScreenMemSize;
+ /* Mandatory information for VBE 3.0 and above */
+ uint16_t LinBytesPerScanLine;
+ uint8_t BnkNumberOfPages;
+ uint8_t LinNumberOfPages;
+ uint8_t LinRedMaskSize;
+ uint8_t LinRedFieldPosition;
+ uint8_t LinGreenMaskSize;
+ uint8_t LinGreenFieldPosition;
+ uint8_t LinBlueMaskSize;
+ uint8_t LinBlueFieldPosition;
+ uint8_t LinRsvdMaskSize;
+ uint8_t LinRsvdFieldPosition;
+ uint32_t MaxPixelClock;
+} ModeInfoBlockCompact;
+#pragma pack()
+
+typedef struct ModeInfoListItem
+{
+ uint16_t mode;
+ ModeInfoBlockCompact info;
+} ModeInfoListItem;
+
+
+#endif /* !VBOX_INCLUDED_Graphics_VBoxVideoVBEPrivate_h */
+