VESA frame buffer console. More...

#include <stdint.h>
#include <realmode.h>

Data Structures
struct	vbe_controller_info
	VBE controller information. More...
struct	vbe_mode_info
	VBE mode information. More...

Macros
#define	VBE_CONTROLLER_INFO 0x4f00
	INT 10,4f00: return controller information.
#define	VBE_CONTROLLER_SIGNATURE ( ( 'V' << 0 ) \| ( 'E' << 8 ) \| ( 'S' << 16 ) \| ( 'A' << 24 ) )
	VBE controller information signature.
#define	VBE_MODE_END 0xffff
	VBE mode list end marker.
#define	VBE_MODE_INFO 0x4f01
	INT 10,4f01: return VBE mode information.
#define	VBE_SET_MODE 0x4f02
	INT 10,4f02: set VBE mode.
#define	VBE_MODE_LINEAR 0x4000
	VBE linear frame buffer mode bit.
#define	VBE_GET_FONT 0x1130
	INT 10,1130: get font information.
#define	VBE_SET_VGA_MODE 0x0000
	INT 10,00: set VGA mode.
#define	VBE_GET_VGA_MODE 0x0f00
	INT 10,0f: get VGA mode.

Enumerations
enum	vbe_mode_attributes { VBE_MODE_ATTR_SUPPORTED = 0x0001 , VBE_MODE_ATTR_TTY = 0x0004 , VBE_MODE_ATTR_COLOUR = 0x0008 , VBE_MODE_ATTR_GRAPHICS = 0x0010 , VBE_MODE_ATTR_NOT_VGA = 0x0020 , VBE_MODE_ATTR_NOT_WINDOWED = 0x0040 , VBE_MODE_ATTR_LINEAR = 0x0080 , VBE_MODE_ATTR_DOUBLE = 0x0100 , VBE_MODE_ATTR_INTERLACED = 0x0200 , VBE_MODE_ATTR_TRIPLE_BUF = 0x0400 , VBE_MODE_ATTR_STEREO = 0x0800 , VBE_MODE_ATTR_DUAL = 0x1000 }
	VBE mode attributes. More...
enum	vbe_mode_memory_model { VBE_MODE_MODEL_TEXT = 0x00 , VBE_MODE_MODEL_CGA = 0x01 , VBE_MODE_MODEL_HERCULES = 0x02 , VBE_MODE_MODEL_PLANAR = 0x03 , VBE_MODE_MODEL_PACKED_PIXEL = 0x04 , VBE_MODE_MODEL_NON_CHAIN_4 = 0x05 , VBE_MODE_MODEL_DIRECT_COLOUR = 0x06 , VBE_MODE_MODEL_YUV = 0x07 }
	VBE mode memory models. More...
enum	vbe_font_set { VBE_FONT_8x14 = 0x0200 , VBE_FONT_8x8_DOUBLE = 0x0300 , VBE_FONT_8x8_DOUBLE_HIGH = 0x0400 , VBE_FONT_9x14_ALPHA_ALT = 0x0500 , VBE_FONT_8x16 = 0x0600 , VBE_FONT_9x16_ALT = 0x0700 }
	Font sets. More...

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
struct vbe_controller_info	__attribute__ ((packed))

Variables
uint32_t	vbe_signature
	VBE signature.
uint8_t	vbe_minor_version
	VBE minor version.
uint8_t	vbe_major_version
	VBE major version.
struct segoff	oem_string_ptr
	Pointer to OEM string.
uint32_t	capabilities
	Capabilities of graphics controller.
struct segoff	video_mode_ptr
	Pointer to video mode list.
uint16_t	total_memory
	Number of 64kB memory blocks.
uint16_t	oem_software_rev
	VBE implementation software revision.
struct segoff	oem_vendor_name_ptr
	Pointer to vendor name string.
struct segoff	oem_product_name_ptr
	Pointer to product name string.
struct segoff	oem_product_rev_ptr
	Pointer to product revision string.
uint8_t	reserved [222]
	Reserved for VBE implementation scratch area.
uint16_t	mode_attributes
	Mode attributes.
uint8_t	win_a_attributes
	Window A attributes.
uint8_t	win_b_attributes
	Window B attributes.
uint16_t	win_granularity
	Window granularity.
uint16_t	win_size
	Window size.
uint16_t	win_a_segment
	Window A start segment.
uint16_t	win_b_segment
	Window B start segment.
struct segoff	win_func_ptr
	Pointer to window function.
uint16_t	bytes_per_scan_line
	Bytes per scan line.
uint16_t	x_resolution
	Horizontal resolution in pixels or characters.
uint16_t	y_resolution
	Vertical resolution in pixels or characters.
uint8_t	x_char_size
	Character cell width in pixels.
uint8_t	y_char_size
	Character cell height in pixels.
uint8_t	number_of_planes
	Number of memory planes.
uint8_t	bits_per_pixel
	Bits per pixel.
uint8_t	number_of_banks
	Number of banks.
uint8_t	memory_model
	Memory model type.
uint8_t	bank_size
	Bank size in kB.
uint8_t	number_of_image_pages
	Number of images.
uint8_t	reserved_1
	Reserved for page function.
uint8_t	red_mask_size
	Size of direct colour red mask in bits.
uint8_t	red_field_position
	Bit position of LSB of red mask.
uint8_t	green_mask_size
	Size of direct colour green mask in bits.
uint8_t	green_field_position
	Bit position of LSB of green mask.
uint8_t	blue_mask_size
	Size of direct colour blue mask in bits.
uint8_t	blue_field_position
	Bit position of LSB of blue mask.
uint8_t	rsvd_mask_size
	Size of direct colour reserved mask in bits.
uint8_t	rsvd_field_position
	Bit position of LSB of reserved mask.
uint8_t	direct_colour_mode_info
	Direct colour mode attributes.
uint32_t	phys_base_ptr
	Physical address for flat memory frame buffer.
uint32_t	off_screen_mem_offset
	Pointer to start of off-screen memory.
uint16_t	off_screen_mem_size
	Amount of off-screen memory in 1kB units.
uint8_t	reserved_2 [206]
	Reserved.
enum vbe_mode_attributes	__attribute__

Detailed Description

VESA frame buffer console.

Definition in file vesafb.h.

Macro Definition Documentation

◆ VBE_CONTROLLER_INFO

#define VBE_CONTROLLER_INFO 0x4f00

INT 10,4f00: return controller information.

Definition at line 16 of file vesafb.h.

Referenced by vesafb_mode_list().

◆ VBE_CONTROLLER_SIGNATURE

#define VBE_CONTROLLER_SIGNATURE ( ( 'V' << 0 ) | ( 'E' << 8 ) | ( 'S' << 16 ) | ( 'A' << 24 ) )

VBE controller information signature.

Definition at line 52 of file vesafb.h.

52#define VBE_CONTROLLER_SIGNATURE \

53 ( ( 'V' << 0 ) | ( 'E' << 8 ) | ( 'S' << 16 ) | ( 'A' << 24 ) )

Referenced by vesafb_mode_list().

◆ VBE_MODE_END

#define VBE_MODE_END 0xffff

VBE mode list end marker.

Definition at line 56 of file vesafb.h.

Referenced by vesafb_mode_list(), and vesafb_select_mode().

◆ VBE_MODE_INFO

#define VBE_MODE_INFO 0x4f01

INT 10,4f01: return VBE mode information.

Definition at line 59 of file vesafb.h.

Referenced by vesafb_mode_info().

◆ VBE_SET_MODE

#define VBE_SET_MODE 0x4f02

INT 10,4f02: set VBE mode.

Definition at line 180 of file vesafb.h.

Referenced by vesafb_set_mode().

◆ VBE_MODE_LINEAR

#define VBE_MODE_LINEAR 0x4000

VBE linear frame buffer mode bit.

Definition at line 183 of file vesafb.h.

Referenced by vesafb_select_mode().

◆ VBE_GET_FONT

#define VBE_GET_FONT 0x1130

INT 10,1130: get font information.

Definition at line 186 of file vesafb.h.

Referenced by vesafb_font().

◆ VBE_SET_VGA_MODE

#define VBE_SET_VGA_MODE 0x0000

INT 10,00: set VGA mode.

Definition at line 205 of file vesafb.h.

Referenced by vesafb_restore().

◆ VBE_GET_VGA_MODE

#define VBE_GET_VGA_MODE 0x0f00

INT 10,0f: get VGA mode.

Definition at line 208 of file vesafb.h.

Referenced by vesafb_init().

Enumeration Type Documentation

◆ vbe_mode_attributes

enum vbe_mode_attributes

VBE mode attributes.

Enumerator
VBE_MODE_ATTR_SUPPORTED	Mode supported in hardware.
VBE_MODE_ATTR_TTY	TTY output functions supported by BIOS.
VBE_MODE_ATTR_COLOUR	Colour mode.
VBE_MODE_ATTR_GRAPHICS	Graphics mode.
VBE_MODE_ATTR_NOT_VGA	Not a VGA compatible mode.
VBE_MODE_ATTR_NOT_WINDOWED	VGA compatible windowed memory mode is not available.
VBE_MODE_ATTR_LINEAR	Linear frame buffer mode is available.
VBE_MODE_ATTR_DOUBLE	Double scan mode is available.
VBE_MODE_ATTR_INTERLACED	Interlaced mode is available.
VBE_MODE_ATTR_TRIPLE_BUF	Hardware triple buffering support.
VBE_MODE_ATTR_STEREO	Hardware stereoscopic display support.
VBE_MODE_ATTR_DUAL	Dual display start address support.

Definition at line 132 of file vesafb.h.

                         {
        /** Mode supported in hardware */
        VBE_MODE_ATTR_SUPPORTED = 0x0001,
        /** TTY output functions supported by BIOS */
        VBE_MODE_ATTR_TTY = 0x0004,
        /** Colour mode */
        VBE_MODE_ATTR_COLOUR = 0x0008,
        /** Graphics mode */
        VBE_MODE_ATTR_GRAPHICS = 0x0010,
        /** Not a VGA compatible mode */
        VBE_MODE_ATTR_NOT_VGA = 0x0020,
        /** VGA compatible windowed memory mode is not available */
        VBE_MODE_ATTR_NOT_WINDOWED = 0x0040,
        /** Linear frame buffer mode is available */
        VBE_MODE_ATTR_LINEAR = 0x0080,
        /** Double scan mode is available */
        VBE_MODE_ATTR_DOUBLE = 0x0100,
        /** Interlaced mode is available */
        VBE_MODE_ATTR_INTERLACED = 0x0200,
        /** Hardware triple buffering support */
        VBE_MODE_ATTR_TRIPLE_BUF = 0x0400,
        /** Hardware stereoscopic display support */
        VBE_MODE_ATTR_STEREO = 0x0800,
        /** Dual display start address support */
        VBE_MODE_ATTR_DUAL = 0x1000,
};

◆ vbe_mode_memory_model

enum vbe_mode_memory_model

VBE mode memory models.

Enumerator
VBE_MODE_MODEL_TEXT	Text mode.
VBE_MODE_MODEL_CGA	CGA graphics mode.
VBE_MODE_MODEL_HERCULES	Hercules graphics mode.
VBE_MODE_MODEL_PLANAR	Planar mode.
VBE_MODE_MODEL_PACKED_PIXEL	Packed pixel mode.
VBE_MODE_MODEL_NON_CHAIN_4	Non-chain 4, 256 colour mode.
VBE_MODE_MODEL_DIRECT_COLOUR	Direct colour mode.
VBE_MODE_MODEL_YUV	YUV mode.

Definition at line 160 of file vesafb.h.

                           {
        /** Text mode */
        VBE_MODE_MODEL_TEXT = 0x00,
        /** CGA graphics mode */
        VBE_MODE_MODEL_CGA = 0x01,
        /** Hercules graphics mode */
        VBE_MODE_MODEL_HERCULES = 0x02,
        /** Planar mode */
        VBE_MODE_MODEL_PLANAR = 0x03,
        /** Packed pixel mode */
        VBE_MODE_MODEL_PACKED_PIXEL = 0x04,
        /** Non-chain 4, 256 colour mode */
        VBE_MODE_MODEL_NON_CHAIN_4 = 0x05,
        /** Direct colour mode */
        VBE_MODE_MODEL_DIRECT_COLOUR = 0x06,
        /** YUV mode */
        VBE_MODE_MODEL_YUV = 0x07,
};

◆ vbe_font_set

enum vbe_font_set

Font sets.

Enumerator
VBE_FONT_8x14	8x14 character font
VBE_FONT_8x8_DOUBLE	8x8 double dot font
VBE_FONT_8x8_DOUBLE_HIGH	8x8 double dot font (high 128 characters)
VBE_FONT_9x14_ALPHA_ALT	9x14 alpha alternate font
VBE_FONT_8x16	8x16 font
VBE_FONT_9x16_ALT	9x16 alternate font

Definition at line 189 of file vesafb.h.

                  {
        /** 8x14 character font */
        VBE_FONT_8x14 = 0x0200,
        /** 8x8 double dot font */
        VBE_FONT_8x8_DOUBLE = 0x0300,
        /** 8x8 double dot font (high 128 characters) */
        VBE_FONT_8x8_DOUBLE_HIGH = 0x0400,
        /** 9x14 alpha alternate font */
        VBE_FONT_9x14_ALPHA_ALT = 0x0500,
        /** 8x16 font */
        VBE_FONT_8x16 = 0x0600,
        /** 9x16 alternate font */
        VBE_FONT_9x16_ALT = 0x0700,
};

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL )

Variable Documentation

◆ vbe_signature

uint32_t vbe_signature

VBE signature.

Definition at line 1 of file vesafb.h.

◆ vbe_minor_version

uint8_t vbe_minor_version

VBE minor version.

Definition at line 3 of file vesafb.h.

◆ vbe_major_version

uint8_t vbe_major_version

VBE major version.

Definition at line 5 of file vesafb.h.

◆ oem_string_ptr

struct segoff oem_string_ptr

Pointer to OEM string.

Definition at line 7 of file vesafb.h.

◆ capabilities

uint32_t capabilities

Capabilities of graphics controller.

Definition at line 9 of file vesafb.h.

◆ video_mode_ptr

struct segoff video_mode_ptr

Pointer to video mode list.

Definition at line 11 of file vesafb.h.

Referenced by vesafb_mode_list().

◆ total_memory

uint16_t total_memory

Number of 64kB memory blocks.

Definition at line 13 of file vesafb.h.

◆ oem_software_rev

uint16_t oem_software_rev

VBE implementation software revision.

Definition at line 15 of file vesafb.h.

◆ oem_vendor_name_ptr

struct segoff oem_vendor_name_ptr

Pointer to vendor name string.

Definition at line 17 of file vesafb.h.

◆ oem_product_name_ptr

struct segoff oem_product_name_ptr

Pointer to product name string.

Definition at line 19 of file vesafb.h.

◆ oem_product_rev_ptr

struct segoff oem_product_rev_ptr

Pointer to product revision string.

Definition at line 21 of file vesafb.h.

◆ reserved

uint8_t reserved[222]

Reserved for VBE implementation scratch area.

Definition at line 23 of file vesafb.h.

◆ mode_attributes

uint16_t mode_attributes

Mode attributes.

Definition at line 1 of file vesafb.h.

◆ win_a_attributes

uint8_t win_a_attributes

Window A attributes.

Definition at line 3 of file vesafb.h.

◆ win_b_attributes

uint8_t win_b_attributes

Window B attributes.

Definition at line 5 of file vesafb.h.

◆ win_granularity

uint16_t win_granularity

Window granularity.

Definition at line 7 of file vesafb.h.

◆ win_size

uint16_t win_size

Window size.

Definition at line 9 of file vesafb.h.

◆ win_a_segment

uint16_t win_a_segment

Window A start segment.

Definition at line 11 of file vesafb.h.

◆ win_b_segment

uint16_t win_b_segment

Window B start segment.

Definition at line 13 of file vesafb.h.

◆ win_func_ptr

struct segoff win_func_ptr

Pointer to window function.

Definition at line 15 of file vesafb.h.

◆ bytes_per_scan_line

uint16_t bytes_per_scan_line

Bytes per scan line.

Definition at line 17 of file vesafb.h.

◆ x_resolution

uint16_t x_resolution

Horizontal resolution in pixels or characters.

Definition at line 19 of file vesafb.h.

◆ y_resolution

uint16_t y_resolution

Vertical resolution in pixels or characters.

Definition at line 21 of file vesafb.h.

◆ x_char_size

uint8_t x_char_size

Character cell width in pixels.

Definition at line 23 of file vesafb.h.

◆ y_char_size

uint8_t y_char_size

Character cell height in pixels.

Definition at line 25 of file vesafb.h.

◆ number_of_planes

uint8_t number_of_planes

Number of memory planes.

Definition at line 27 of file vesafb.h.

◆ bits_per_pixel

uint8_t bits_per_pixel

Bits per pixel.

Definition at line 29 of file vesafb.h.

◆ number_of_banks

uint8_t number_of_banks

Number of banks.

Definition at line 31 of file vesafb.h.

◆ memory_model

uint8_t memory_model

Memory model type.

Definition at line 33 of file vesafb.h.

◆ bank_size

uint8_t bank_size

Bank size in kB.

Definition at line 35 of file vesafb.h.

◆ number_of_image_pages

uint8_t number_of_image_pages

Number of images.

Definition at line 37 of file vesafb.h.

◆ reserved_1

uint8_t reserved_1

Reserved for page function.

Definition at line 39 of file vesafb.h.

◆ red_mask_size

uint8_t red_mask_size

Size of direct colour red mask in bits.

Definition at line 41 of file vesafb.h.

◆ red_field_position

uint8_t red_field_position

Bit position of LSB of red mask.

Definition at line 43 of file vesafb.h.

◆ green_mask_size

uint8_t green_mask_size

Size of direct colour green mask in bits.

Definition at line 45 of file vesafb.h.

◆ green_field_position

uint8_t green_field_position

Bit position of LSB of green mask.

Definition at line 47 of file vesafb.h.

◆ blue_mask_size

uint8_t blue_mask_size

Size of direct colour blue mask in bits.

Definition at line 49 of file vesafb.h.

◆ blue_field_position

uint8_t blue_field_position

Bit position of LSB of blue mask.

Definition at line 51 of file vesafb.h.

◆ rsvd_mask_size

uint8_t rsvd_mask_size

Size of direct colour reserved mask in bits.

Definition at line 53 of file vesafb.h.

◆ rsvd_field_position

uint8_t rsvd_field_position

Bit position of LSB of reserved mask.

Definition at line 55 of file vesafb.h.

◆ direct_colour_mode_info

uint8_t direct_colour_mode_info

Direct colour mode attributes.

Definition at line 57 of file vesafb.h.

◆ phys_base_ptr

uint32_t phys_base_ptr

Physical address for flat memory frame buffer.

Definition at line 59 of file vesafb.h.

◆ off_screen_mem_offset

uint32_t off_screen_mem_offset

Pointer to start of off-screen memory.

Definition at line 61 of file vesafb.h.

◆ off_screen_mem_size

uint16_t off_screen_mem_size

Amount of off-screen memory in 1kB units.

Definition at line 63 of file vesafb.h.

◆ reserved_2

uint8_t reserved_2[206]

Reserved.

Definition at line 65 of file vesafb.h.

Data Structures

Macros

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ VBE_CONTROLLER_INFO

◆ VBE_CONTROLLER_SIGNATURE

◆ VBE_MODE_END

◆ VBE_MODE_INFO

◆ VBE_SET_MODE

◆ VBE_MODE_LINEAR

◆ VBE_GET_FONT

◆ VBE_SET_VGA_MODE

◆ VBE_GET_VGA_MODE

Enumeration Type Documentation

◆ vbe_mode_attributes

◆ vbe_mode_memory_model

◆ vbe_font_set

Function Documentation

◆ FILE_LICENCE()

Variable Documentation

◆ vbe_signature

◆ vbe_minor_version

◆ vbe_major_version

◆ oem_string_ptr

◆ capabilities

◆ video_mode_ptr

◆ total_memory

◆ oem_software_rev

◆ oem_vendor_name_ptr

◆ oem_product_name_ptr

◆ oem_product_rev_ptr

◆ reserved

◆ mode_attributes

◆ win_a_attributes

◆ win_b_attributes

◆ win_granularity

◆ win_size

◆ win_a_segment

◆ win_b_segment

◆ win_func_ptr

◆ bytes_per_scan_line

◆ x_resolution

◆ y_resolution

◆ x_char_size

◆ y_char_size

◆ number_of_planes

◆ bits_per_pixel

◆ number_of_banks

◆ memory_model

◆ bank_size

◆ number_of_image_pages

◆ reserved_1

◆ red_mask_size

◆ red_field_position

◆ green_mask_size

◆ green_field_position

◆ blue_mask_size

◆ blue_field_position

◆ rsvd_mask_size

◆ rsvd_field_position

◆ direct_colour_mode_info

◆ phys_base_ptr

◆ off_screen_mem_offset

◆ off_screen_mem_size

◆ reserved_2