2 * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 FILE_LICENCE ( GPL2_OR_LATER );
26 #include <ipxe/uaccess.h>
27 #include <ipxe/smbios.h>
33 * System Management BIOS
40 * @v smbios SMBIOS entry point descriptor structure to fill in
41 * @ret rc Return status code
43 static int bios_find_smbios ( struct smbios *smbios ) {
44 struct smbios_entry entry;
47 /* Scan through BIOS segment to find SMBIOS entry point */
48 if ( ( rc = find_smbios_entry ( real_to_user ( BIOS_SEG, 0 ), 0x10000,
52 /* Fill in entry point descriptor structure */
53 smbios->address = phys_to_user ( entry.smbios_address );
54 smbios->len = entry.smbios_len;
55 smbios->count = entry.smbios_count;
56 smbios->version = SMBIOS_VERSION ( entry.major, entry.minor );
61 PROVIDE_SMBIOS ( pcbios, find_smbios, bios_find_smbios );