2 * Copyright (c) 1997 Michael Smith
3 * Copyright (c) 1998 Jonathan Lemon
4 * Copyright (c) 2008 The DragonFly Project.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #ifndef _MACHINE_PC_BIOS_H_
32 #define _MACHINE_PC_BIOS_H_
34 u_int32_t bios_sigsearch(u_int32_t, u_char *, int, int, int);
36 #define BIOS_PADDRTOVADDR(x) ((x) + KERNBASE)
37 #define BIOS_VADDRTOPADDR(x) ((x) - KERNBASE)
40 * Int 15:E820 'SMAP' structure
43 #define SMAP_SIG 0x534D4150 /* 'SMAP' */
45 #define SMAP_TYPE_MEMORY 1
54 * System Management BIOS
56 #define SMBIOS_START 0xf0000
57 #define SMBIOS_STEP 0x10
60 #define SMBIOS_SIG "_SM_"
63 uint8_t anchor_string[4]; /* '_SM_' */
66 uint8_t major_version;
67 uint8_t minor_version;
68 uint16_t maximum_structure_size;
69 uint8_t entry_point_revision;
70 uint8_t formatted_area[5];
71 uint8_t intermediate_anchor_string[5]; /* '_DMI_' */
72 uint8_t intermediate_checksum;
73 uint16_t structure_table_length;
74 uint32_t structure_table_address;
75 uint16_t number_structures;
79 struct smbios_structure_header {
85 #endif /* _MACHINE_PC_BIOS_H_ */