1 /*****************************************************************************\
4 *****************************************************************************
5 * Copyright (C) 2002-2005 The Regents of the University of California.
6 * Produced at the Lawrence Livermore National Laboratory.
7 * Written by David S. Peterson <dsp@llnl.gov> <dave_peterson@pobox.com>.
11 * This file is part of nvramtool, a utility for reading/writing coreboot
12 * parameters and displaying information from the coreboot table.
13 * For details, see http://coreboot.org/nvramtool.
15 * Please also read the file DISCLAIMER which is included in this software
18 * This program is free software; you can redistribute it and/or modify it
19 * under the terms of the GNU General Public License (as published by the
20 * Free Software Foundation) version 2, dated June 1991.
22 * This program is distributed in the hope that it will be useful, but
23 * WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
25 * conditions of the GNU General Public License for more details.
27 * You should have received a copy of the GNU General Public License along
28 * with this program; if not, write to the Free Software Foundation, Inc.,
29 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
30 \*****************************************************************************/
38 #define CMOS_OP_BAD_ENUM_VALUE (CMOS_OP_RESULT_START + 0)
39 #define CMOS_OP_NEGATIVE_INT (CMOS_OP_RESULT_START + 1)
40 #define CMOS_OP_INVALID_INT (CMOS_OP_RESULT_START + 2)
41 #define CMOS_OP_RESERVED (CMOS_OP_RESULT_START + 3)
42 #define CMOS_OP_VALUE_TOO_WIDE (CMOS_OP_RESULT_START + 4)
43 #define CMOS_OP_NO_MATCHING_ENUM (CMOS_OP_RESULT_START + 5)
45 int prepare_cmos_read (const cmos_entry_t *e);
46 int prepare_cmos_write (const cmos_entry_t *e, const char value_str[],
47 unsigned long long *value);
48 uint16_t cmos_checksum_read (void);
49 void cmos_checksum_write (uint16_t checksum);
50 uint16_t cmos_checksum_compute (void);
51 void cmos_checksum_verify (void);
53 #endif /* CMOS_OPS_H */