113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
/*-
|
|
* Copyright (c) 1997 Michael Smith
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
* from: i386/include/pc bios.h,v 1.2
|
|
*/
|
|
|
|
/*
|
|
* Signature structure for the BIOS32 Service Directory header
|
|
*/
|
|
struct bios32_SDheader
|
|
{
|
|
u_int8_t sig[4];
|
|
u_int32_t entry;
|
|
u_int8_t revision;
|
|
u_int8_t len;
|
|
u_int8_t cksum;
|
|
u_int8_t pad[5];
|
|
};
|
|
|
|
/*
|
|
* BIOS32 Service Directory entry. Caller supplies name, bios32_SDlookup
|
|
* fills in the rest of the details.
|
|
*/
|
|
struct bios32_SDentry
|
|
{
|
|
union
|
|
{
|
|
u_int8_t name[4]; /* service identifier */
|
|
u_int32_t id; /* as a 32-bit value */
|
|
} ident;
|
|
u_int32_t base; /* base of service */
|
|
u_int32_t len; /* service length */
|
|
u_int32_t entry; /* entrypoint offset from base */
|
|
};
|
|
|
|
extern int bios32_SDlookup(struct bios32_SDentry *ent);
|
|
extern u_int32_t bios_sigsearch(u_int32_t start, u_char *sig, int siglen,
|
|
int paralen, int sigofs);
|
|
|
|
/*
|
|
* Call a 32-bit BIOS function
|
|
*/
|
|
struct bios32_args {
|
|
u_long eax;
|
|
u_long ebx;
|
|
u_long ecx;
|
|
u_long edx;
|
|
};
|
|
extern void bios32(caddr_t func_addr, struct bios32_args *args);
|
|
|
|
#define BIOS_PADDRTOVADDR(x) (x)
|
|
#define BIOS_VADDRTOPADDR(x) (x)
|
|
|
|
/*
|
|
* System Management BIOS / Desktop Management Interface tables
|
|
*/
|
|
|
|
struct DMI_table
|
|
{
|
|
u_int8_t sig[5]; /* "_DMI_" */
|
|
u_int8_t cksum; /* checksum */
|
|
u_int16_t st_size; /* total length of SMBIOS table (bytes)*/
|
|
u_int32_t st_base; /* base address of the SMBIOS table (physical) */
|
|
u_int16_t st_entries; /* total number of structures present in the table */
|
|
u_int8_t bcd_revision; /* interface revision number */
|
|
};
|
|
|
|
struct SMBIOS_table
|
|
{
|
|
u_int8_t sig[4]; /* "_SM_" */
|
|
u_int8_t cksum; /* checksum */
|
|
u_int8_t len; /* structure length */
|
|
u_int8_t major, minor; /* major/minor revision numbers */
|
|
u_int16_t st_maxsize; /* largest structure size (bytes) */
|
|
u_int8_t revision; /* entrypoint revision */
|
|
u_int8_t pad[5];
|
|
struct DMI_table dmi; /* follows immediately */
|
|
};
|
|
|
|
|
|
/*
|
|
* Exported lookup results
|
|
*/
|
|
extern struct bios32_SDentry PCIbios;
|
|
extern struct SMBIOS_table *SMBIOS_table;
|
|
extern struct DMI_table *DMI_table;
|
|
|
|
|
|
|