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missed file in vesa inclusion back in 2016

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nhmall
2017-10-04 19:55:40 -04:00
parent 429288cac9
commit c60db38725
1 changed files with 81 additions and 0 deletions
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sys/msdos/vesa.h Normal file
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/* NetHack 3.6 vesa.h $NHDT-Date: 1507161296 2017/10/04 23:54:56 $ $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.0 $ */
/* VESA structures from the VESA BIOS Specification, retrieved 15 Jan 2016
* from http://flint.cs.yale.edu/cs422/readings/hardware/vbe3.pdf
* Part of rchason vesa port */
#ifndef VESA_H
#define VESA_H
#include <stdint.h>
struct VbeInfoBlock {
uint8_t VbeSignature[4]; /* VBE Signature */
uint16_t VbeVersion; /* VBE Version */
uint32_t OemStringPtr; /* VbeFarPtr to OEM String */
uint32_t Capabilities; /* Capabilities of graphics controller */
uint32_t VideoModePtr; /* VbeFarPtr to VideoModeList */
uint16_t TotalMemory; /* Number of 64kb memory blocks */
/* Added for VBE 2.0+ */
uint16_t OemSoftwareRev; /* VBE implementation Software revision */
uint32_t OemVendorNamePtr; /* VbeFarPtr to Vendor Name String */
uint32_t OemProductNamePtr; /* VbeFarPtr to Product Name String */
uint32_t OemProductRevPtr; /* VbeFarPtr to Product Revision String */
uint8_t Reserved[222]; /* Reserved for VBE implementation scratch area */
uint8_t OemData[256]; /* Data Area for OEM Strings */
} __attribute__((packed));
struct ModeInfoBlock {
/* Mandatory information for all VBE revisions */
uint16_t ModeAttributes; /* mode attributes */
uint8_t WinAAttributes; /* window A attributes */
uint8_t WinBAttributes; /* window B attributes */
uint16_t WinGranularity; /* window granularity */
uint16_t WinSize; /* window size */
uint16_t WinASegment; /* window A start segment */
uint16_t WinBSegment; /* window B start segment */
uint32_t WinFuncPtr; /* real mode pointer to window function */
uint16_t BytesPerScanLine; /* bytes per scan line */
/* Mandatory information for VBE 1.2 and above */
uint16_t XResolution; /* horizontal resolution in pixels or characters */
uint16_t YResolution; /* vertical resolution in pixels or characters */
uint8_t XCharSize; /* character cell width in pixels */
uint8_t YCharSize; /* character cell height in pixels */
uint8_t NumberOfPlanes; /* number of memory planes */
uint8_t BitsPerPixel; /* bits per pixel */
uint8_t NumberOfBanks; /* number of banks */
uint8_t MemoryModel; /* memory model type */
uint8_t BankSize; /* bank size in KB */
uint8_t NumberOfImagePages; /* number of images */
uint8_t Reserved1; /* reserved for page function */
/* Direct Color fields (required for direct/6 and YUV/7 memory models) */
uint8_t RedMaskSize; /* size of direct color red mask in bits */
uint8_t RedFieldPosition; /* bit position of lsb of red mask */
uint8_t GreenMaskSize; /* size of direct color green mask in bits */
uint8_t GreenFieldPosition; /* bit position of lsb of green mask */
uint8_t BlueMaskSize; /* size of direct color blue mask in bits */
uint8_t BlueFieldPosition; /* bit position of lsb of blue mask */
uint8_t RsvdMaskSize; /* size of direct color reserved mask in bits */
uint8_t RsvdFieldPosition; /* bit position of lsb of reserved mask */
uint8_t DirectColorModeInfo; /* direct color mode attributes */
/* Mandatory information for VBE 2.0 and above */
uint32_t PhysBasePtr; /* physical address for flat memory frame buffer */
uint32_t Reserved2; /* Reserved - always set to 0 */
uint16_t Reserved3; /* Reserved - always set to 0 */
/* Mandatory information for VBE 3.0 and above */
uint16_t LinBytesPerScanLine; /* bytes per scan line for linear modes */
uint8_t BnkNumberOfImagePages; /* number of images for banked modes */
uint8_t LinNumberOfImagePages; /* number of images for linear modes */
uint8_t LinRedMaskSize; /* size of direct color red mask (linear modes) */
uint8_t LinRedFieldPosition; /* bit position of lsb of red mask (linear modes) */
uint8_t LinGreenMaskSize; /* size of direct color green mask (linear modes) */
uint8_t LinGreenFieldPosition; /* bit position of lsb of green mask (linear modes) */
uint8_t LinBlueMaskSize; /* size of direct color blue mask (linear modes) */
uint8_t LinBlueFieldPosition; /* bit position of lsb of blue mask (linear modes) */
uint8_t LinRsvdMaskSize; /* size of direct color reserved mask (linear modes) */
uint8_t LinRsvdFieldPosition; /* bit position of lsb of reserved mask (linear modes) */
uint32_t MaxPixelClock; /* maximum pixel clock (in Hz) for graphics mode */
uint8_t Reserved4[189]; /* remainder of ModeInfoBlock */
} __attribute__((packed));
#endif