2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1997 Michael Smith
5 * Copyright (c) 1998 Jonathan Lemon
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * System Management BIOS
38 #define SMBIOS_START 0xf0000
39 #define SMBIOS_STEP 0x10
42 #define SMBIOS_SIG "_SM_"
45 uint8_t anchor_string[4]; /* '_SM_' */
48 uint8_t major_version;
49 uint8_t minor_version;
50 uint16_t maximum_structure_size;
51 uint8_t entry_point_revision;
52 uint8_t formatted_area[5];
53 uint8_t intermediate_anchor_string[5]; /* '_DMI_' */
54 uint8_t intermediate_checksum;
55 uint16_t structure_table_length;
56 uint32_t structure_table_address;
57 uint16_t number_structures;
61 struct smbios_structure_header {
67 #endif /* _SMBIOS_H_ */