iPXE
Data Fields
EFI_ACPI_5_1_BOOT_GRAPHICS_RESOURCE_TABLE Struct Reference

Boot Graphics Resource Table definition. More...

#include <Acpi51.h>

Data Fields

EFI_ACPI_DESCRIPTION_HEADER Header
UINT16 Version
 2-bytes (16 bit) version ID.
UINT8 Status
 1-byte status field indicating current status about the table.
UINT8 ImageType
 1-byte enumerated type field indicating format of the image.
UINT64 ImageAddress
 8-byte (64 bit) physical address pointing to the firmware's in-memory copy of the image bitmap.
UINT32 ImageOffsetX
 A 4-byte (32-bit) unsigned long describing the display X-offset of the boot image.
UINT32 ImageOffsetY
 A 4-byte (32-bit) unsigned long describing the display Y-offset of the boot image.

Detailed Description

Boot Graphics Resource Table definition.

Definition at line 1006 of file Acpi51.h.


Field Documentation

Definition at line 1007 of file Acpi51.h.

2-bytes (16 bit) version ID.

This value must be 1.

Definition at line 1011 of file Acpi51.h.

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 1017 of file Acpi51.h.

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

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

Definition at line 1023 of file Acpi51.h.

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

Definition at line 1028 of file Acpi51.h.

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 1034 of file Acpi51.h.

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).

Definition at line 1040 of file Acpi51.h.


The documentation for this struct was generated from the following file: