Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Jordan Crouse <jordan.crouse@amd.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2736 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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Stefan Reinauer
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114
util/lxbios/layout.h
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114
util/lxbios/layout.h
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/*****************************************************************************\
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* layout.h
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* $Id: layout.h,v 1.2 2006/01/24 00:25:40 dsp_llnl Exp $
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*****************************************************************************
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* Copyright (C) 2002-2005 The Regents of the University of California.
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* Produced at the Lawrence Livermore National Laboratory.
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* Written by Dave Peterson <dsp@llnl.gov> <dave_peterson@pobox.com>.
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* UCRL-CODE-2003-012
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* All rights reserved.
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*
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* This file is part of lxbios, a utility for reading/writing LinuxBIOS
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* parameters and displaying information from the LinuxBIOS table.
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* For details, see <http://www.llnl.gov/linux/lxbios/>.
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*
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* Please also read the file DISCLAIMER which is included in this software
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* distribution.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (as published by the
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* Free Software Foundation) version 2, dated June 1991.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
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* conditions of the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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\*****************************************************************************/
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#ifndef LXBIOS_LAYOUT_H
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#define LXBIOS_LAYOUT_H
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#include "common.h"
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#include "linuxbios_tables.h"
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#define LAYOUT_ENTRY_OVERLAP (LAYOUT_RESULT_START + 0)
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#define LAYOUT_ENTRY_BAD_LENGTH (LAYOUT_RESULT_START + 1)
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#define LAYOUT_DUPLICATE_ENUM (LAYOUT_RESULT_START + 2)
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#define LAYOUT_SUMMED_AREA_START_NOT_ALIGNED (LAYOUT_RESULT_START + 3)
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#define LAYOUT_SUMMED_AREA_END_NOT_ALIGNED (LAYOUT_RESULT_START + 4)
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#define LAYOUT_CHECKSUM_LOCATION_NOT_ALIGNED (LAYOUT_RESULT_START + 5)
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#define LAYOUT_INVALID_SUMMED_AREA (LAYOUT_RESULT_START + 6)
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#define LAYOUT_CHECKSUM_OVERLAPS_SUMMED_AREA (LAYOUT_RESULT_START + 7)
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#define LAYOUT_SUMMED_AREA_OUT_OF_RANGE (LAYOUT_RESULT_START + 8)
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#define LAYOUT_CHECKSUM_LOCATION_OUT_OF_RANGE (LAYOUT_RESULT_START + 9)
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typedef enum
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{ CMOS_ENTRY_ENUM,
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CMOS_ENTRY_HEX,
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CMOS_ENTRY_RESERVED
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}
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cmos_entry_config_t;
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/* This represents a CMOS parameter. */
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typedef struct
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{ unsigned bit;
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unsigned length;
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cmos_entry_config_t config;
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unsigned config_id;
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char name[CMOS_MAX_NAME_LENGTH];
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}
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cmos_entry_t;
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/* This represents a possible value for a CMOS parameter of type
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* CMOS_ENTRY_ENUM.
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*/
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typedef struct
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{ unsigned config_id;
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unsigned long long value;
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char text[CMOS_MAX_TEXT_LENGTH];
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}
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cmos_enum_t;
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/* This represents the location of the CMOS checksum and the area over which
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* it is computed. Depending on the context, the values may be represented as
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* either bit positions or byte positions.
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*/
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typedef struct
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{ unsigned summed_area_start; /* first checksummed location */
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unsigned summed_area_end; /* last checksummed location */
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unsigned checksum_at; /* location of checksum */
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}
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cmos_checksum_layout_t;
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extern const char checksum_param_name[];
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extern unsigned cmos_checksum_start;
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extern unsigned cmos_checksum_end;
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extern unsigned cmos_checksum_index;
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typedef void (*cmos_layout_get_fn_t) (void);
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void register_cmos_layout_get_fn (cmos_layout_get_fn_t fn);
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void get_cmos_layout (void);
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int add_cmos_entry (const cmos_entry_t *e, const cmos_entry_t **conflict);
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const cmos_entry_t * find_cmos_entry (const char name[]);
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const cmos_entry_t * first_cmos_entry (void);
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const cmos_entry_t * next_cmos_entry (const cmos_entry_t *last);
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int add_cmos_enum (const cmos_enum_t *e);
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const cmos_enum_t * find_cmos_enum (unsigned config_id,
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unsigned long long value);
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const cmos_enum_t * first_cmos_enum (void);
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const cmos_enum_t * next_cmos_enum (const cmos_enum_t *last);
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const cmos_enum_t * first_cmos_enum_id (unsigned config_id);
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const cmos_enum_t * next_cmos_enum_id (const cmos_enum_t *last);
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int is_checksum_name (const char name[]);
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int checksum_layout_to_bytes (cmos_checksum_layout_t *layout);
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void checksum_layout_to_bits (cmos_checksum_layout_t *layout);
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#endif /* LXBIOS_LAYOUT_H */
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