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annotate packages/redboot/current/include/flash_config.h @ 1451:077fd39935a2

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Expand fconfig access via virtual vectors. Work around a TCP timing issue.
author gthomas
date Sun, 21 Dec 2003 13:17:51 +0000
parents dbcfe4e0dbd2
children
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1 //==========================================================================
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2 //
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3 // flash_config.h
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4 //
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5 // Flash configuration data tables for RedBoot
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6 //
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7 //==========================================================================
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8 //####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later version.
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16 //
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 // for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License along
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23 // with eCos; if not, write to the Free Software Foundation, Inc.,
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 //
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26 // As a special exception, if other files instantiate templates or use macros
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27 // or inline functions from this file, or you compile this file and link it
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28 // with other works to produce a work based on this file, this file does not
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29 // by itself cause the resulting work to be covered by the GNU General Public
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30 // License. However the source code for this file must still be made available
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31 // in accordance with section (3) of the GNU General Public License.
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32 //
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33 // This exception does not invalidate any other reasons why a work based on
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34 // this file might be covered by the GNU General Public License.
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35 //
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 // at http://sources.redhat.com/ecos/ecos-license/
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
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40 //==========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): gthomas
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44 // Contributors: gthomas
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45 // Date: 2000-08-21
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46 // Purpose:
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47 // Description:
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48 //
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49 // This code is part of RedBoot (tm).
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50 //
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51 //####DESCRIPTIONEND####
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52 //
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53 //==========================================================================
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54
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55 #ifndef _FLASH_CONFIG_H_
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56 #define _FLASH_CONFIG_H_
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57
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58 #define MAX_SCRIPT_LENGTH CYGNUM_REDBOOT_FLASH_SCRIPT_SIZE
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59 #define MAX_STRING_LENGTH CYGNUM_REDBOOT_FLASH_STRING_SIZE
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60 #define MAX_CONFIG_DATA CYGNUM_REDBOOT_FLASH_CONFIG_SIZE
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61
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62 #define CONFIG_EMPTY 0
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63 #define CONFIG_BOOL 1
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64 #define CONFIG_INT 2
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65 #define CONFIG_STRING 3
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66 #define CONFIG_SCRIPT 4
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67 #ifdef CYGPKG_REDBOOT_NETWORKING
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68 #define CONFIG_IP 5
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69 #define CONFIG_ESA 6
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70 #define CONFIG_NETPORT 7
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71 #endif
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72
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73 struct config_option {
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74 char *key;
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75 char *title;
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76 char *enable;
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77 bool enable_sense;
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78 int type;
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79 unsigned long dflt;
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80 } CYG_HAL_TABLE_TYPE;
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81
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82 #define ALWAYS_ENABLED (char *)0
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83
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84 #define RedBoot_config_option(_t_,_n_,_e_,_ie_,_type_,_dflt_) \
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85 struct config_option _config_option_##_n_ \
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86 CYG_HAL_TABLE_QUALIFIED_ENTRY(RedBoot_config_options,_n_) = \
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87 {#_n_,_t_,_e_,_ie_,_type_,(unsigned long)_dflt_};
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88
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89 // Cause the in-memory configuration data to be written to flash
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90 void flash_write_config(bool prompt);
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91 // Fetch a data item from flash storage, returns 'false' if not found
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92 bool flash_get_config(char *key, void *val, int type);
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93 // Update a data item from flash storage, returns 'false' if not found
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94 bool flash_set_config(char *key, void *val, int type);
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95 // Enumerate keys from configuration
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96 bool flash_next_key(char *key, int keylen, int *type, int *offset);
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97 // Add a new data item to configuration data base. Returns 'false'
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98 // if no space is available.
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99 bool flash_add_config(struct config_option *opt, bool update);
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100
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101 // Internal structure used to hold config data
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102 struct _config {
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103 unsigned long len;
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104 unsigned long key1;
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105 unsigned char config_data[MAX_CONFIG_DATA-(4*4)];
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106 unsigned long key2;
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107 unsigned long cksum;
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108 };
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109
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110 #endif // _FLASH_CONFIG_H_