Boot Graphics Resource Table definition. More...

#include <Acpi50.h>

Data Fields
EFI_ACPI_DESCRIPTION_HEADER	Header

UINT16	Version
	2-bytes (16 bit) version ID. More...

UINT8	Status
	1-byte status field indicating current status about the table. More...

UINT8	ImageType
	1-byte enumerated type field indicating format of the image. More...

UINT64	ImageAddress
	8-byte (64 bit) physical address pointing to the firmware's in-memory copy of the image bitmap. More...

UINT32	ImageOffsetX
	A 4-byte (32-bit) unsigned long describing the display X-offset of the boot image. More...

UINT32	ImageOffsetY
	A 4-byte (32-bit) unsigned long describing the display Y-offset of the boot image. More...

Detailed Description

Boot Graphics Resource Table definition.

Definition at line 1067 of file Acpi50.h.

Field Documentation

◆ Header

EFI_ACPI_DESCRIPTION_HEADER EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE::Header

Definition at line 1068 of file Acpi50.h.

◆ Version

UINT16 EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE::Version

2-bytes (16 bit) version ID.

This value must be 1.

Definition at line 1072 of file Acpi50.h.

◆ Status

UINT8 EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE::Status

1-byte status field indicating current status about the table.

Bits[7:1] = Reserved (must be zero) Bit [0] = Valid. A one indicates the boot image graphic is valid.

Definition at line 1078 of file Acpi50.h.

◆ ImageType

UINT8 EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE::ImageType

1-byte enumerated type field indicating format of the image.

0 = Bitmap 1 - 255 Reserved (for future use)

Definition at line 1084 of file Acpi50.h.

◆ ImageAddress

UINT64 EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE::ImageAddress

8-byte (64 bit) physical address pointing to the firmware's in-memory copy of the image bitmap.

Definition at line 1089 of file Acpi50.h.

◆ ImageOffsetX

UINT32 EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE::ImageOffsetX

A 4-byte (32-bit) unsigned long describing the display X-offset of the boot image.

(X, Y) display offset of the top left corner of the boot image. The top left corner of the display is at offset (0, 0).

Definition at line 1095 of file Acpi50.h.

◆ ImageOffsetY

UINT32 EFI_ACPI_5_0_BOOT_GRAPHICS_RESOURCE_TABLE::ImageOffsetY

A 4-byte (32-bit) unsigned long describing the display Y-offset of the boot image.