diff options
author | Stefan Reinauer <stepan@coresystems.de> | 2007-07-12 16:35:42 +0000 |
---|---|---|
committer | Stefan Reinauer <stepan@openbios.org> | 2007-07-12 16:35:42 +0000 |
commit | 6540ae5ea0a52e05ceb31675a2419d07197db738 (patch) | |
tree | 0dd2a6401ef2cfa5b06de374a6ba6db11e0b61c6 /util/lxbios/layout.h | |
parent | 6cf687783bc9c54146cf85ce5e526e63ab7047fb (diff) |
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
Diffstat (limited to 'util/lxbios/layout.h')
-rw-r--r-- | util/lxbios/layout.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/util/lxbios/layout.h b/util/lxbios/layout.h new file mode 100644 index 0000000000..8a6ab80b9b --- /dev/null +++ b/util/lxbios/layout.h @@ -0,0 +1,114 @@ +/*****************************************************************************\ + * layout.h + * $Id: layout.h,v 1.2 2006/01/24 00:25:40 dsp_llnl Exp $ + ***************************************************************************** + * Copyright (C) 2002-2005 The Regents of the University of California. + * Produced at the Lawrence Livermore National Laboratory. + * Written by Dave Peterson <dsp@llnl.gov> <dave_peterson@pobox.com>. + * UCRL-CODE-2003-012 + * All rights reserved. + * + * This file is part of lxbios, a utility for reading/writing LinuxBIOS + * parameters and displaying information from the LinuxBIOS table. + * For details, see <http://www.llnl.gov/linux/lxbios/>. + * + * 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 LXBIOS_LAYOUT_H +#define LXBIOS_LAYOUT_H + +#include "common.h" +#include "linuxbios_tables.h" + +#define LAYOUT_ENTRY_OVERLAP (LAYOUT_RESULT_START + 0) +#define LAYOUT_ENTRY_BAD_LENGTH (LAYOUT_RESULT_START + 1) +#define LAYOUT_DUPLICATE_ENUM (LAYOUT_RESULT_START + 2) +#define LAYOUT_SUMMED_AREA_START_NOT_ALIGNED (LAYOUT_RESULT_START + 3) +#define LAYOUT_SUMMED_AREA_END_NOT_ALIGNED (LAYOUT_RESULT_START + 4) +#define LAYOUT_CHECKSUM_LOCATION_NOT_ALIGNED (LAYOUT_RESULT_START + 5) +#define LAYOUT_INVALID_SUMMED_AREA (LAYOUT_RESULT_START + 6) +#define LAYOUT_CHECKSUM_OVERLAPS_SUMMED_AREA (LAYOUT_RESULT_START + 7) +#define LAYOUT_SUMMED_AREA_OUT_OF_RANGE (LAYOUT_RESULT_START + 8) +#define LAYOUT_CHECKSUM_LOCATION_OUT_OF_RANGE (LAYOUT_RESULT_START + 9) + +typedef enum + { CMOS_ENTRY_ENUM, + CMOS_ENTRY_HEX, + CMOS_ENTRY_RESERVED + } +cmos_entry_config_t; + +/* This represents a CMOS parameter. */ +typedef struct + { unsigned bit; + unsigned length; + cmos_entry_config_t config; + unsigned config_id; + char name[CMOS_MAX_NAME_LENGTH]; + } +cmos_entry_t; + +/* This represents a possible value for a CMOS parameter of type + * CMOS_ENTRY_ENUM. + */ +typedef struct + { unsigned config_id; + unsigned long long value; + char text[CMOS_MAX_TEXT_LENGTH]; + } +cmos_enum_t; + +/* This represents the location of the CMOS checksum and the area over which + * it is computed. Depending on the context, the values may be represented as + * either bit positions or byte positions. + */ +typedef struct + { unsigned summed_area_start; /* first checksummed location */ + unsigned summed_area_end; /* last checksummed location */ + unsigned checksum_at; /* location of checksum */ + } +cmos_checksum_layout_t; + +extern const char checksum_param_name[]; + +extern unsigned cmos_checksum_start; + +extern unsigned cmos_checksum_end; + +extern unsigned cmos_checksum_index; + +typedef void (*cmos_layout_get_fn_t) (void); + +void register_cmos_layout_get_fn (cmos_layout_get_fn_t fn); +void get_cmos_layout (void); +int add_cmos_entry (const cmos_entry_t *e, const cmos_entry_t **conflict); +const cmos_entry_t * find_cmos_entry (const char name[]); +const cmos_entry_t * first_cmos_entry (void); +const cmos_entry_t * next_cmos_entry (const cmos_entry_t *last); +int add_cmos_enum (const cmos_enum_t *e); +const cmos_enum_t * find_cmos_enum (unsigned config_id, + unsigned long long value); +const cmos_enum_t * first_cmos_enum (void); +const cmos_enum_t * next_cmos_enum (const cmos_enum_t *last); +const cmos_enum_t * first_cmos_enum_id (unsigned config_id); +const cmos_enum_t * next_cmos_enum_id (const cmos_enum_t *last); +int is_checksum_name (const char name[]); +int checksum_layout_to_bytes (cmos_checksum_layout_t *layout); +void checksum_layout_to_bits (cmos_checksum_layout_t *layout); + +#endif /* LXBIOS_LAYOUT_H */ |