From 35559ad87ce8f1b521e6a80eb463ea6e7c0601bf Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Thu, 10 Aug 2006 00:09:31 +0000 Subject: [PATCH] Added description for a basic ACPI table, taken from include/linux/acpi.h. --- src/include/gpxe/acpi.h | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/include/gpxe/acpi.h diff --git a/src/include/gpxe/acpi.h b/src/include/gpxe/acpi.h new file mode 100644 index 00000000..0c4f4846 --- /dev/null +++ b/src/include/gpxe/acpi.h @@ -0,0 +1,39 @@ +#ifndef _GPXE_ACPI_H +#define _GPXE_ACPI_H + +/** @file + * + * ACPI data structures + * + */ + +#include + +/** + * An ACPI description header + * + * This is the structure common to the start of all ACPI system + * description tables. + */ +struct acpi_description_header { + /** ACPI signature (4 ASCII characters) */ + char signature[4]; + /** Length of table, in bytes, including header */ + uint32_t length; + /** ACPI Specification minor version number */ + uint8_t revision; + /** To make sum of entire table == 0 */ + uint8_t checksum; + /** OEM identification */ + char oem_id[6]; + /** OEM table identification */ + char oem_table_id[8]; + /** OEM revision number */ + uint32_t oem_revision; + /** ASL compiler vendor ID */ + char asl_compiler_id[4]; + /** ASL compiler revision number */ + uint32_t asl_compiler_revision; +}; + +#endif /* _GPXE_ACPI_H */