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annotate packages/redboot/current/include/redboot.h @ 161:ac086aa3217e

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Merge from eCos master repository on 2001-06-08-21:11:51-BST
author jlarmour
date Sun, 10 Jun 2001 19:35:23 +0000
parents 511f4dc167f6
children d63db767121d
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1 //==========================================================================
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2 //
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3 // redboot.h
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4 //
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5 // Standard interfaces for RedBoot
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): gthomas
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35 // Contributors: gthomas
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36 // Date: 2000-07-14
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37 // Purpose:
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38 // Description:
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39 //
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40 // This code is part of RedBoot (tm).
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41 //
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42 //####DESCRIPTIONEND####
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43 //
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44 //==========================================================================
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45
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46 #ifndef _REDBOOT_H_
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47 #define _REDBOOT_H_
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48
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49 #include <pkgconf/redboot.h>
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50 #include <pkgconf/hal.h>
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51 #include <cyg/hal/hal_if.h>
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52 #include <cyg/hal/hal_tables.h>
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53
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54 #ifdef CYGPKG_REDBOOT_NETWORKING
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55 #include <net/net.h>
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56 #include <net/tftp_support.h>
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57 #include <net/bootp.h>
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58 // Determine an IP address for this node, using BOOTP
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59 extern int __bootp_find_local_ip(bootp_header_t *info);
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60 #endif
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61
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62 #ifdef DEFINE_VARS
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63 #define EXTERN
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64 #else
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65 #define EXTERN extern
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66 #endif
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67
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68 // Global variables
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69 EXTERN int argc;
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70 #define MAX_ARGV 16
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71 EXTERN char *argv[MAX_ARGV];
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72 EXTERN unsigned char *ram_start, *ram_end;
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73 EXTERN unsigned char *user_ram_start, *user_ram_end;
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74 EXTERN unsigned char *workspace_start, *workspace_end;
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75 EXTERN unsigned long workspace_size;
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76 EXTERN unsigned long *entry_address;
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77
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78 #ifdef CYGPKG_REDBOOT_ANY_CONSOLE
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79 EXTERN bool console_selected;
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80 #endif
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81 EXTERN bool console_echo;
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82 EXTERN bool gdb_active;
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83
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84 #ifdef CYGPKG_REDBOOT_NETWORKING
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85 EXTERN bool have_net, use_bootp;
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86 EXTERN bootp_header_t my_bootp_info;
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87 EXTERN int gdb_port;
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88 #endif
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89
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90 #ifdef CYGFUN_REDBOOT_BOOT_SCRIPT
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91 EXTERN unsigned char *script;
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92 EXTERN int script_timeout;
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93 #ifdef CYGSEM_REDBOOT_VARIBLE_BAUD_RATE
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94 EXTERN int console_baud_rate;
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95 #endif
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96 #endif
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97
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98 // Prototypes
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99 typedef int _printf_fun(char *fmt, ...);
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100 _printf_fun printf;
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101 int vprintf(char *fmt, va_list ap);
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102 int sprintf(char *buf, char *fmt, ...);
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103 int vsprintf(char *buf, char *fmt, va_list ap);
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104 int strlen(const char *str);
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105 int strcmp(const char *s1, const char *s2);
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106 int strncmp(const char *s1, const char *s2, int len);
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107 int strcmpci(const char *s1, const char *s2);
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108 int strncmpci(const char *s1, const char *s2, int len);
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109 char *strcpy(char *s1, const char *s2);
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110 char *strncpy(char *s1, const char *s2, unsigned long n);
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111
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112 void mon_write_char(char c);
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113 bool verify_action(char *fmt, ...);
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114 void dump_buf(void *, CYG_ADDRWORD);
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115 void dump_buf_with_offset(void *, CYG_ADDRWORD, void *);
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116 void vdump_buf_with_offset(_printf_fun *pf, void *, CYG_ADDRWORD, void *);
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117
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118 // Read a single line of input from the console, possibly with timeout
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119 int gets(char *line, int len, int timeout);
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120 // Result codes from 'gets()'
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121 #define _GETS_TIMEOUT -1
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122 #define _GETS_CTRLC -2
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123 #define _GETS_GDB 0
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124 #define _GETS_OK 1
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125
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126 // "console" selection
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127 int start_console(void);
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128 void end_console(int old_console);
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129
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130 // CRC support
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131 unsigned short crc16(unsigned char *buf, int len);
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132 unsigned long crc32(unsigned char *buf, int len);
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133
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134 #ifdef CYGPKG_COMPRESS_ZLIB
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135 // Decompression support
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136 typedef struct _pipe {
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137 unsigned char* in_buf; // only changed by producer
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138 int in_avail; // only changed by producer
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139 unsigned char* out_buf; // only changed by consumer (init by producer)
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140 int out_size; // only changed by consumer (init by producer)
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141 const char* msg; // message from consumer
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142 void* priv; // handler's data
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143 } _pipe_t;
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144
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145 typedef int _decompress_fun_init(_pipe_t*);
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146 typedef int _decompress_fun_inflate(_pipe_t*);
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147 typedef int _decompress_fun_close(_pipe_t*, int);
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148
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149 externC _decompress_fun_init* _dc_init;
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150 externC _decompress_fun_inflate* _dc_inflate;
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151 externC _decompress_fun_close* _dc_close;
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152 #endif // CYGPKG_COMPRESS_ZLIB
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153
115
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154 // CLI support functions
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155 bool parse_num(char *s, unsigned long *val, char **es, char *delim);
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156 bool parse_bool(char *s, bool *val);
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157
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158 typedef void cmd_fun(int argc, char *argv[]);
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159 struct cmd {
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160 char *str;
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161 char *help;
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162 char *usage;
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163 cmd_fun *fun;
121
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164 } CYG_HAL_TABLE_TYPE;
115
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165 extern struct cmd *cmd_search(struct cmd *tab, struct cmd *tabend, char *arg);
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166 extern void cmd_usage(struct cmd *tab, struct cmd *tabend, char *prefix);
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167 #define RedBoot_cmd(_s_,_h_,_u_,_f_) cmd_entry(_s_,_h_,_u_,_f_,RedBoot_commands)
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168 #define _cmd_entry(_s_,_h_,_u_,_f_,_n_) \
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169 cmd_fun _f_; \
117
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170 struct cmd _cmd_tab_##_f_ CYG_HAL_TABLE_QUALIFIED_ENTRY(_n_,_f_) = {_s_, _h_, _u_, _f_};
115
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171 #define cmd_entry(_s_,_h_,_u_,_f_,_n_) \
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172 extern _cmd_entry(_s_,_h_,_u_,_f_,_n_)
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173 #define local_cmd_entry(_s_,_h_,_u_,_f_,_n_) \
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174 static _cmd_entry(_s_,_h_,_u_,_f_,_n_)
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175
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176 // Initialization functions
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177 #define RedBoot_INIT_FIRST 0000
154
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178 // Specify a 3 digit numeric value for proper prioritizing
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179 #define RedBoot_INIT_PRIO(_n_) 1##_n_
115
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180 #define RedBoot_INIT_LAST 9999
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181 typedef void void_fun(void);
126
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182 typedef void_fun *void_fun_ptr;
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183 struct init_tab_entry {
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184 void_fun_ptr fun;
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185 } CYG_HAL_TABLE_TYPE;
115
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186 #define _RedBoot_init(_f_,_p_) \
154
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187 struct init_tab_entry _init_tab_##_p_##_f_ \
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188 CYG_HAL_TABLE_QUALIFIED_ENTRY(RedBoot_inits,_p_##_f_) = { _f_ };
115
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189 #define RedBoot_init(_f_,_p_) _RedBoot_init(_f_,_p_)
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190
151
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191 // Main loop [idle] call-back functions
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192 #define RedBoot_IDLE_FIRST 0000
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193 #define RedBoot_IDLE_BEFORE_NETIO 3000
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194 #define RedBoot_IDLE_NETIO 5000
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195 #define RedBoot_IDLE_AFTER_NETIO 7000
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196 #define RedBoot_IDLE_LAST 9999
156
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197 typedef void idle_fun(bool);
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198 typedef idle_fun *idle_fun_ptr;
151
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199 struct idle_tab_entry {
156
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200 idle_fun_ptr fun;
151
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201 } CYG_HAL_TABLE_TYPE;
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202 #define _RedBoot_idle(_f_,_p_) \
156
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203 struct idle_tab_entry _idle_tab_##_p_##_f_ \
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204 CYG_HAL_TABLE_QUALIFIED_ENTRY(RedBoot_idle,_p_##_f_) = { _f_ };
151
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205 #define RedBoot_idle(_f_,_p_) _RedBoot_idle(_f_,_p_)
156
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206
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207 // This function called when changing idle/not - mostly used by I/O
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208 // to support idle when timeout, etc.
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209 void do_idle(bool state);
151
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210
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211 // Option processing support
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212
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213 struct option_info {
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214 char flag;
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215 bool takes_arg;
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216 int arg_type;
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217 void **arg;
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218 bool *arg_set;
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219 char *name;
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220 };
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221
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222 #define OPTION_ARG_TYPE_NUM 0 // Numeric data
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223 #define OPTION_ARG_TYPE_STR 1 // Generic string
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224 #define OPTION_ARG_TYPE_FLG 2 // Flag only
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225
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226 // Command line parsing
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227 struct cmd *parse(char *line, int *argc, char **argv);
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228
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229 extern void init_opts(struct option_info *opts, char flag, bool takes_arg,
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230 int arg_type, void **arg, bool *arg_set, char *name);
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231 extern bool scan_opts(int argc, char *argv[], int first,
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232 struct option_info *opts, int num_opts,
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233 void **def_arg, int def_arg_type, char *def_descr);
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234
124
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235 extern int redboot_getc(void);
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236 extern void redboot_getc_init(int (*fun)(char *, int, int *), int verbose);
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237 extern void redboot_getc_rewind(void);
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238
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239 #define BUF_SIZE 256
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240 typedef struct {
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241 int (*fun)(char *, int len, int *err);
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242 unsigned char buf[BUF_SIZE];
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243 unsigned char *bufp;
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244 int avail, len, err;
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245 int verbose, tick;
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246 } getc_info_t;
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247
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248
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249 //
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250 // Validate a hex character
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251 //
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252 __inline__ static bool
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253 _is_hex(char c)
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254 {
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255 return (((c >= '0') && (c <= '9')) ||
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256 ((c >= 'A') && (c <= 'F')) ||
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257 ((c >= 'a') && (c <= 'f')));
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258 }
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259
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260 //
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261 // Convert a single hex nibble
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262 //
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263 __inline__ static int
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264 _from_hex(char c)
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265 {
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266 int ret = 0;
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267
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268 if ((c >= '0') && (c <= '9')) {
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269 ret = (c - '0');
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270 } else if ((c >= 'a') && (c <= 'f')) {
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271 ret = (c - 'a' + 0x0a);
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272 } else if ((c >= 'A') && (c <= 'F')) {
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273 ret = (c - 'A' + 0x0A);
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274 }
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275 return ret;
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276 }
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277
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278 //
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279 // Convert a character to lower case
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280 //
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281 __inline__ static char
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282 tolower(char c)
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283 {
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284 if ((c >= 'A') && (c <= 'Z')) {
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285 c = (c - 'A') + 'a';
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286 }
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287 return c;
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288 }
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289
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290 #endif // _REDBOOT_H_