1 /*****************************************************************************\
3 *****************************************************************************
4 * Copyright (C) 2002-2005 The Regents of the University of California.
5 * Produced at the Lawrence Livermore National Laboratory.
6 * Written by David S. Peterson <dsp@llnl.gov> <dave_peterson@pobox.com>.
10 * This file is part of nvramtool, a utility for reading/writing coreboot
11 * parameters and displaying information from the coreboot table.
12 * For details, see http://coreboot.org/nvramtool.
14 * Please also read the file DISCLAIMER which is included in this software
17 * This program is free software; you can redistribute it and/or modify it
18 * under the terms of the GNU General Public License (as published by the
19 * Free Software Foundation) version 2, dated June 1991.
21 * This program is distributed in the hope that it will be useful, but
22 * WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
24 * conditions of the GNU General Public License for more details.
26 * You should have received a copy of the GNU General Public License along
27 * with this program; if not, write to the Free Software Foundation, Inc.,
28 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
29 \*****************************************************************************/
37 #define CMOS_OP_BAD_ENUM_VALUE (CMOS_OP_RESULT_START + 0)
38 #define CMOS_OP_NEGATIVE_INT (CMOS_OP_RESULT_START + 1)
39 #define CMOS_OP_INVALID_INT (CMOS_OP_RESULT_START + 2)
40 #define CMOS_OP_RESERVED (CMOS_OP_RESULT_START + 3)
41 #define CMOS_OP_VALUE_TOO_WIDE (CMOS_OP_RESULT_START + 4)
42 #define CMOS_OP_NO_MATCHING_ENUM (CMOS_OP_RESULT_START + 5)
44 int prepare_cmos_read(const cmos_entry_t
* e
);
45 int prepare_cmos_write(const cmos_entry_t
* e
, const char value_str
[],
46 unsigned long long *value
);
47 uint16_t cmos_checksum_read(void);
48 void cmos_checksum_write(uint16_t checksum
);
49 uint16_t cmos_checksum_compute(void);
50 void cmos_checksum_verify(void);
52 #endif /* CMOS_OPS_H */