EFI_ACPI_5_1_BOOT_GRAPHICS_RESOURCE_TABLE Struct Reference

Data Fields
EFI_ACPI_DESCRIPTION_HEADER	Header
UINT16	Version
UINT8	Status
UINT8	ImageType
UINT64	ImageAddress
UINT32	ImageOffsetX
UINT32	ImageOffsetY

Detailed Description

Boot Graphics Resource Table definition.

Field Documentation

EFI_ACPI_DESCRIPTION_HEADER EFI_ACPI_5_1_BOOT_GRAPHICS_RESOURCE_TABLE::Header

UINT64 EFI_ACPI_5_1_BOOT_GRAPHICS_RESOURCE_TABLE::ImageAddress

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

UINT32 EFI_ACPI_5_1_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).

UINT32 EFI_ACPI_5_1_BOOT_GRAPHICS_RESOURCE_TABLE::ImageOffsetY

A 4-byte (32-bit) unsigned long describing the display Y-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).

UINT8 EFI_ACPI_5_1_BOOT_GRAPHICS_RESOURCE_TABLE::ImageType

1-byte enumerated type field indicating format of the image. 0 = Bitmap 1 - 255 Reserved (for future use)

UINT8 EFI_ACPI_5_1_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.

UINT16 EFI_ACPI_5_1_BOOT_GRAPHICS_RESOURCE_TABLE::Version

2-bytes (16 bit) version ID. This value must be 1.