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Diffstat (limited to 'contrib/syslinux-4.02/memdisk/acpi.h')
-rw-r--r-- | contrib/syslinux-4.02/memdisk/acpi.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/memdisk/acpi.h b/contrib/syslinux-4.02/memdisk/acpi.h new file mode 100644 index 0000000..732d116 --- /dev/null +++ b/contrib/syslinux-4.02/memdisk/acpi.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>. + * This file derived almost in its entirety from gPXE. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/** @file + * + * ACPI data structures + * + */ + +#include <stdint.h> + +/** + * An ACPI description header + * + * This is the structure common to the start of all ACPI system + * description tables. + */ +MEMDISK_PACKED_PREFIX +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; +} MEMDISK_PACKED_POSTFIX; + |