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diff --git a/util/nvramtool/cmos_ops.h b/util/nvramtool/cmos_ops.h
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+++ b/util/nvramtool/cmos_ops.h
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+/*****************************************************************************\
+ * cmos_ops.h
+ * $Id$
+ *****************************************************************************
+ *  Copyright (C) 2002-2005 The Regents of the University of California.
+ *  Produced at the Lawrence Livermore National Laboratory.
+ *  Written by David S. Peterson <dsp@llnl.gov> <dave_peterson@pobox.com>.
+ *  UCRL-CODE-2003-012
+ *  All rights reserved.
+ *
+ *  This file is part of nvramtool, a utility for reading/writing coreboot
+ *  parameters and displaying information from the coreboot table.
+ *  For details, see http://coreboot.org/nvramtool.
+ *
+ *  Please also read the file DISCLAIMER which is included in this software
+ *  distribution.
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License (as published by the
+ *  Free Software Foundation) version 2, dated June 1991.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the terms and
+ *  conditions of the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+\*****************************************************************************/
+
+#ifndef CMOS_OPS_H
+#define CMOS_OPS_H
+
+#include "common.h"
+#include "layout.h"
+
+#define CMOS_OP_BAD_ENUM_VALUE (CMOS_OP_RESULT_START + 0)
+#define CMOS_OP_NEGATIVE_INT (CMOS_OP_RESULT_START + 1)
+#define CMOS_OP_INVALID_INT (CMOS_OP_RESULT_START + 2)
+#define CMOS_OP_RESERVED (CMOS_OP_RESULT_START + 3)
+#define CMOS_OP_VALUE_TOO_WIDE (CMOS_OP_RESULT_START + 4)
+#define CMOS_OP_NO_MATCHING_ENUM (CMOS_OP_RESULT_START + 5)
+
+int prepare_cmos_read (const cmos_entry_t *e);
+int prepare_cmos_write (const cmos_entry_t *e, const char value_str[],
+                        unsigned long long *value);
+uint16_t cmos_checksum_read (void);
+void cmos_checksum_write (uint16_t checksum);
+uint16_t cmos_checksum_compute (void);
+void cmos_checksum_verify (void);
+
+#endif  /* CMOS_OPS_H */