acpi_description_header Struct Reference

An ACPI description header. More...

#include <acpi.h>

Data Fields
char	signature [4]
	ACPI signature (4 ASCII characters).
uint32_t	length
	Length of table, in bytes, including header.
uint8_t	revision
	ACPI Specification minor version number.
uint8_t	checksum
	To make sum of entire table == 0.
char	oem_id [6]
	OEM identification.
char	oem_table_id [8]
	OEM table identification.
uint32_t	oem_revision
	OEM revision number.
char	asl_compiler_id [4]
	ASL compiler vendor ID.
uint32_t	asl_compiler_revision
	ASL compiler revision number.

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Detailed Description

An ACPI description header.

This is the structure common to the start of all ACPI system description tables.

Definition at line 20 of file acpi.h.

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Field Documentation

char acpi_description_header::signature[4]

ACPI signature (4 ASCII characters).

Definition at line 22 of file acpi.h.

uint32_t acpi_description_header::length

Length of table, in bytes, including header.

Definition at line 24 of file acpi.h.

Referenced by acpi_fix_checksum(), and ibft_alloc_string().

uint8_t acpi_description_header::revision

ACPI Specification minor version number.

Definition at line 26 of file acpi.h.

uint8_t acpi_description_header::checksum

To make sum of entire table == 0.

Definition at line 28 of file acpi.h.

Referenced by acpi_fix_checksum().

char acpi_description_header::oem_id[6]

OEM identification.

Definition at line 30 of file acpi.h.

char acpi_description_header::oem_table_id[8]

OEM table identification.

Definition at line 32 of file acpi.h.

uint32_t acpi_description_header::oem_revision

OEM revision number.

Definition at line 34 of file acpi.h.

char acpi_description_header::asl_compiler_id[4]

ASL compiler vendor ID.

Definition at line 36 of file acpi.h.

uint32_t acpi_description_header::asl_compiler_revision

ASL compiler revision number.

Definition at line 38 of file acpi.h.

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

• include/gpxe/acpi.h