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New platform - TAMS MOAB - and generic changes to support it
author gthomas
date Fri, 19 Sep 2003 17:11:18 +0000
parents 92e31da869cc
children 13ba50dd5a8e
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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 //####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 Red Hat, Inc.
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12 // Copyright (C) 2002, 2003 Gary Thomas
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13 //
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14 // eCos is free software; you can redistribute it and/or modify it under
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15 // the terms of the GNU General Public License as published by the Free
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16 // Software Foundation; either version 2 or (at your option) any later version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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19 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License along
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24 // with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use macros
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28 // or inline functions from this file, or you compile this file and link it
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29 // with other works to produce a work based on this file, this file does not
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30 // by itself cause the resulting work to be covered by the GNU General Public
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31 // License. However the source code for this file must still be made available
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32 // in accordance with section (3) of the GNU General Public License.
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33 //
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34 // This exception does not invalidate any other reasons why a work based on
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35 // this file might be covered by the GNU General Public License.
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36 //
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37 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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38 // at http://sources.redhat.com/ecos/ecos-license/
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39 // -------------------------------------------
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40 //####ECOSGPLCOPYRIGHTEND####
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41 //==========================================================================
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42 //#####DESCRIPTIONBEGIN####
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43 //
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44 // Author(s): gthomas
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45 // Contributors: gthomas, tkoeller
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46 // Date: 2000-07-14
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47 // Purpose:
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48 // Description:
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49 //
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50 // This code is part of RedBoot (tm).
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51 //
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52 //####DESCRIPTIONEND####
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53 //
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54 //==========================================================================
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55
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56 #ifndef _REDBOOT_H_
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57 #define _REDBOOT_H_
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58
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59 #include <pkgconf/redboot.h>
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60 #include <pkgconf/hal.h>
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61 #include <cyg/hal/hal_if.h>
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62 #include <cyg/hal/hal_tables.h>
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63 #include <cyg/infra/diag.h>
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64 #include <cyg/crc/crc.h>
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65 #include <string.h>
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66
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67 #ifdef CYGPKG_REDBOOT_NETWORKING
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68 #include <net/net.h>
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69 #include <net/bootp.h>
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70 // Determine an IP address for this node, using BOOTP
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71 extern int __bootp_find_local_ip(bootp_header_t *info);
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72 #endif
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73
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74 #ifdef DEFINE_VARS
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75 #define EXTERN
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76 #else
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77 #define EXTERN extern
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78 #endif
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79
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80 // Global variables
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81 EXTERN int argc;
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82 #define MAX_ARGV 16
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83 EXTERN char *argv[MAX_ARGV];
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84 EXTERN unsigned char *ram_start, *ram_end;
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85 EXTERN struct _mem_segment {
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86 unsigned char *start, *end;
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87 } mem_segments[CYGBLD_REDBOOT_MAX_MEM_SEGMENTS];
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88 #define NO_MEMORY (unsigned char *)0xFFFFFFFF
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89 EXTERN bool valid_address(unsigned char *addr);
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90 EXTERN void cyg_plf_memory_segment(int seg, unsigned char **start, unsigned char **end);
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91 EXTERN unsigned char *workspace_start, *workspace_end;
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92 EXTERN unsigned long workspace_size;
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93
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94 // Data squirreled away after a load operation
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95 EXTERN unsigned long entry_address;
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96 EXTERN unsigned long load_address;
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97 EXTERN unsigned long load_address_end;
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98
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99
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100 #ifdef CYGPKG_REDBOOT_ANY_CONSOLE
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101 EXTERN bool console_selected;
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102 #endif
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103 EXTERN bool console_echo;
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104 EXTERN bool gdb_active;
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105 #if CYGNUM_REDBOOT_CMD_LINE_EDITING != 0
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106 EXTERN bool cmd_history;
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107 #endif
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108
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109 #ifdef CYGPKG_REDBOOT_NETWORKING
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110 EXTERN bool have_net, use_bootp;
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111 EXTERN bootp_header_t my_bootp_info;
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112 EXTERN int gdb_port;
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113 EXTERN bool net_debug;
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114 #endif
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116 #ifdef CYGFUN_REDBOOT_BOOT_SCRIPT
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117 EXTERN unsigned char *script;
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118 EXTERN int script_timeout;
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119 #ifdef CYGSEM_REDBOOT_VARIABLE_BAUD_RATE
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120 EXTERN int console_baud_rate;
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121 #endif
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122 #endif
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123
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124 #ifdef CYGOPT_REDBOOT_FIS_ZLIB_COMMON_BUFFER
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125 EXTERN unsigned char *fis_zlib_common_buffer;
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126 #endif
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127
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128 #ifdef CYGSEM_REDBOOT_PLF_STARTUP
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129 EXTERN void cyg_plf_redboot_startup(void);
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130 #endif
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131
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132 // Prototypes
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133 typedef int _printf_fun(const char *fmt, ...);
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134 externC int strcasecmp(const char *s1, const char *s2);
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135 externC int strncasecmp(const char *s1, const char *s2, size_t len);
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136
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137 externC void mon_write_char(char c);
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138 externC bool verify_action(char *fmt, ...);
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139 externC bool verify_action_with_timeout(int timeout, char *fmt, ...);
143
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140
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141 // Read a single line of input from the console, possibly with timeout
182
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142 externC int _rb_gets(char *line, int len, int timeout);
195
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143 // Just like _rb_gets(), except that the line buffer is assumed to contain
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144 // valid input data. This provides an easy mechanism for edit-in-place.
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145 externC int _rb_gets_preloaded(char *line, int len, int timeout);
143
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146 // Result codes from 'gets()'
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147 #define _GETS_TIMEOUT -1
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148 #define _GETS_CTRLC -2
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149 #define _GETS_GDB 0
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150 #define _GETS_OK 1
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151 // Test for ^C on the console. This function should only be used if any
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152 // other console input can be discarded, e.g. while performing some long
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153 // computation, waiting for the network, etc. Returns 'true' if ^C typed.
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154 externC bool _rb_break(int timeout);
115
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155
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156 // "console" selection
182
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157 externC int start_console(void);
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158 externC void end_console(int old_console);
115
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159
208
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160 // Alias functions
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161 #ifdef CYGSEM_REDBOOT_FLASH_ALIASES
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162 externC char *flash_lookup_alias(char *alias, char *alias_buf);
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163 #endif
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164 externC void expand_aliases(char *line, int len);
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165
228
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166 //
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167 // Stream I/O support
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168 //
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169
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170 typedef struct {
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171 char *filename;
245
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172 int mode;
228
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173 int chan;
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174 #ifdef CYGPKG_REDBOOT_NETWORKING
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175 struct sockaddr_in *server;
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176 #endif
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177 } connection_info_t;
208
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178
228
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179 typedef struct {
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180 int (*open)(connection_info_t *info, int *err);
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181 void (*close)(int *err);
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182 void (*terminate)(bool abort, int (*getc)(void));
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183 int (*read)(char *buf, int size, int *err);
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184 char *(*error)(int err);
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185 } getc_io_funcs_t;
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186
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187 #define GETC_IO_FUNCS(_label_, _open_, _close_, _terminate_, _read_, _error_) \
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188 getc_io_funcs_t _label_ = { \
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189 _open_, _close_, _terminate_, _read_, _error_ \
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190 };
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191
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192 struct load_io_entry {
245
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193 char *name;
228
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194 getc_io_funcs_t *funcs;
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195 bool can_verbose;
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196 bool need_filename;
245
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197 int mode;
228
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198 } CYG_HAL_TABLE_TYPE;
245
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199 #define _RedBoot_load(_name_,_funcs_,_verbose_,_filename_,_mode_) \
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200 struct load_io_entry _load_tab_##_funcs_##_name_ \
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201 CYG_HAL_TABLE_QUALIFIED_ENTRY(RedBoot_load,_funcs_##_name) = \
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202 { #_name_, &_funcs_, _verbose_, _filename_, _mode_ };
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203 #define RedBoot_load(_name_,_funcs_,_verbose_,_filename_, _mode_) \
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204 _RedBoot_load(_name_,_funcs_,_verbose_,_filename_,_mode_)
228
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205
156
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206 #ifdef CYGPKG_COMPRESS_ZLIB
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207 // Decompression support
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208 typedef struct _pipe {
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209 unsigned char* in_buf; // only changed by producer
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210 int in_avail; // only changed by producer
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211 unsigned char* out_buf; // only changed by consumer (init by producer)
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212 int out_size; // only changed by consumer (init by producer)
208
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213 int out_max; // set by producer
156
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214 const char* msg; // message from consumer
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215 void* priv; // handler's data
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216 } _pipe_t;
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217
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218 typedef int _decompress_fun_init(_pipe_t*);
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219 typedef int _decompress_fun_inflate(_pipe_t*);
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220 typedef int _decompress_fun_close(_pipe_t*, int);
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221
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222 externC _decompress_fun_init* _dc_init;
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223 externC _decompress_fun_inflate* _dc_inflate;
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224 externC _decompress_fun_close* _dc_close;
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225 #endif // CYGPKG_COMPRESS_ZLIB
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226
115
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227 // CLI support functions
182
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228 externC bool parse_num(char *s, unsigned long *val, char **es, char *delim);
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229 externC bool parse_bool(char *s, bool *val);
115
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230
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231 typedef void cmd_fun(int argc, char *argv[]);
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232 struct cmd {
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233 char *str;
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234 char *help;
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235 char *usage;
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236 cmd_fun *fun;
208
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237 struct cmd *sub_cmds, *sub_cmds_end;
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238 } CYG_HAL_TABLE_TYPE;
182
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239 externC struct cmd *cmd_search(struct cmd *tab, struct cmd *tabend, char *arg);
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240 externC void cmd_usage(struct cmd *tab, struct cmd *tabend, char *prefix);
208
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241 #define RedBoot_cmd(_s_,_h_,_u_,_f_) cmd_entry(_s_,_h_,_u_,_f_,0,0,RedBoot_commands)
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242 #define RedBoot_nested_cmd(_s_,_h_,_u_,_f_,_subs_,_sube_) cmd_entry(_s_,_h_,_u_,_f_,_subs_,_sube_,RedBoot_commands)
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243 #define _cmd_entry(_s_,_h_,_u_,_f_,_subs_,_sube_,_n_) \
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244 cmd_fun _f_; \
208
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245 struct cmd _cmd_tab_##_f_ CYG_HAL_TABLE_QUALIFIED_ENTRY(_n_,_f_) = {_s_, _h_, _u_, _f_, _subs_, _sube_};
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246 #define cmd_entry(_s_,_h_,_u_,_f_,_subs_,_sube_,_n_) \
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247 extern _cmd_entry(_s_,_h_,_u_,_f_,_subs_,_sube_,_n_)
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248 #define local_cmd_entry(_s_,_h_,_u_,_f_,_n_) \
208
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249 static _cmd_entry(_s_,_h_,_u_,_f_,0,0,_n_)
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250
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251 // Initialization functions
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252 #define RedBoot_INIT_FIRST 0000
154
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253 // Specify a 3 digit numeric value for proper prioritizing
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254 #define RedBoot_INIT_PRIO(_n_) 1##_n_
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255 #define RedBoot_INIT_LAST 9999
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256 typedef void void_fun(void);
126
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257 typedef void_fun *void_fun_ptr;
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258 struct init_tab_entry {
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259 void_fun_ptr fun;
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260 } CYG_HAL_TABLE_TYPE;
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261 #define _RedBoot_init(_f_,_p_) \
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262 struct init_tab_entry _init_tab_##_p_##_f_ \
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263 CYG_HAL_TABLE_QUALIFIED_ENTRY(RedBoot_inits,_p_##_f_) = { _f_ };
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264 #define RedBoot_init(_f_,_p_) _RedBoot_init(_f_,_p_)
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265
151
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266 // Main loop [idle] call-back functions
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267 #define RedBoot_IDLE_FIRST 0000
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268 #define RedBoot_IDLE_BEFORE_NETIO 3000
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269 #define RedBoot_IDLE_NETIO 5000
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270 #define RedBoot_IDLE_AFTER_NETIO 7000
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271 #define RedBoot_IDLE_LAST 9999
156
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272 typedef void idle_fun(bool);
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273 typedef idle_fun *idle_fun_ptr;
151
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274 struct idle_tab_entry {
156
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275 idle_fun_ptr fun;
151
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276 } CYG_HAL_TABLE_TYPE;
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277 #define _RedBoot_idle(_f_,_p_) \
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278 struct idle_tab_entry _idle_tab_##_p_##_f_ \
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279 CYG_HAL_TABLE_QUALIFIED_ENTRY(RedBoot_idle,_p_##_f_) = { _f_ };
151
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280 #define RedBoot_idle(_f_,_p_) _RedBoot_idle(_f_,_p_)
156
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281
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282 // This function called when changing idle/not - mostly used by I/O
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283 // to support idle when timeout, etc.
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284 void do_idle(bool state);
228
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285
115
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286 // Option processing support
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287
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288 struct option_info {
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289 char flag;
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290 bool takes_arg;
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291 int arg_type;
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292 void **arg;
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293 bool *arg_set;
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294 char *name;
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295 };
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296
117
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297 #define OPTION_ARG_TYPE_NUM 0 // Numeric data
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298 #define OPTION_ARG_TYPE_STR 1 // Generic string
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299 #define OPTION_ARG_TYPE_FLG 2 // Flag only
115
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300
130
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301 // Command line parsing
183
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302 externC struct cmd *parse(char **line, int *argc, char **argv);
130
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303
182
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304 externC void init_opts(struct option_info *opts, char flag, bool takes_arg,
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305 int arg_type, void **arg, bool *arg_set, char *name);
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306 externC bool scan_opts(int argc, char *argv[], int first,
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307 struct option_info *opts, int num_opts,
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308 void **def_arg, int def_arg_type, char *def_descr);
115
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309
165
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310 #ifdef CYGNUM_HAL_VIRTUAL_VECTOR_AUX_CHANNELS
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311 #define CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS \
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312 (CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS+CYGNUM_HAL_VIRTUAL_VECTOR_AUX_CHANNELS)
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313 #else
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314 #define CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS \
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315 CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS
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316 #endif
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317
184
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318 #ifdef CYGPKG_REDBOOT_NETWORKING
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319 //-----------------------------------------------------------------------------
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320 // DNS wrapper
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321 #ifdef CYGPKG_REDBOOT_NETWORKING_DNS
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322
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323 // I would really like if we could just pull in cyg/ns/dns/dns.h, but
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324 // that would require adding dummy <network.h> and <netinet/in.h> files.
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325
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326 // Host name / IP mapping
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327 struct hostent {
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328 char *h_name; /* official name of host */
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329 char **h_aliases; /* alias list */
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330 int h_addrtype; /* host address type */
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331 int h_length; /* length of address */
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332 char **h_addr_list; /* list of addresses */
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333 };
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334 #define h_addr h_addr_list[0] /* for backward compatibility */
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335
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336 externC int redboot_dns_res_init(void);
208
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337 externC void set_dns(char* new_ip);
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338 externC void show_dns(void);
184
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339 externC struct hostent *gethostbyname(const char *host);
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340
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341 // Error reporting
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342 externC int h_errno;
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343
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344 #define DNS_SUCCESS 0
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345 #define HOST_NOT_FOUND 1
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346 #define TRY_AGAIN 2
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347 #define NO_RECOVERY 3
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348 #define NO_DATA 4
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349
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350 static inline bool
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351 _gethostbyname(const char* name, in_addr_t* host)
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352 {
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353 struct hostent* hent = gethostbyname(name);
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354 if (hent) {
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355 memcpy(host, hent->h_addr_list[0], sizeof(in_addr_t));
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356 return true;
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357 }
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358 // Fall back to inet_aton - gethostbyname may already have tried
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359 // it, but we can't know for sure (the DNS IP may not have been
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360 // valid, preventing the inet_aton).
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361 return inet_aton(name, host);
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362 }
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363 #else
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364 static inline bool
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365 _gethostbyname(const char* name, in_addr_t* host)
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366 {
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367 return inet_aton(name, host);
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368 }
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369 #endif // CYGPKG_REDBOOT_NETWORKING_DNS
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370 #endif // CYGPKG_REDBOOT_NETWORKING
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371
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372 //-----------------------------------------------------------------------------
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373 // String functions. Some of these are duplicates of the same functions in
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374 // the I18N package.
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375
115
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376 // Validate a hex character
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377 __inline__ static bool
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378 _is_hex(char c)
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379 {
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380 return (((c >= '0') && (c <= '9')) ||
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381 ((c >= 'A') && (c <= 'F')) ||
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382 ((c >= 'a') && (c <= 'f')));
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383 }
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384
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385 // Convert a single hex nibble
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386 __inline__ static int
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387 _from_hex(char c)
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388 {
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389 int ret = 0;
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390
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391 if ((c >= '0') && (c <= '9')) {
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392 ret = (c - '0');
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393 } else if ((c >= 'a') && (c <= 'f')) {
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394 ret = (c - 'a' + 0x0a);
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395 } else if ((c >= 'A') && (c <= 'F')) {
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396 ret = (c - 'A' + 0x0A);
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397 }
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398 return ret;
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399 }
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400
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401 // Convert a character to lower case
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402 __inline__ static char
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403 _tolower(char c)
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404 {
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405 if ((c >= 'A') && (c <= 'Z')) {
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406 c = (c - 'A') + 'a';
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407 }
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408 return c;
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409 }
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410
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411 // Validate alpha
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412 __inline__ static bool
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413 isalpha(int c)
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414 {
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415 return (((c >= 'a') && (c <= 'z')) ||
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416 ((c >= 'A') && (c <= 'Z')));
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417 }
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418
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419 // Validate digit
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420 __inline__ static bool
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421 isdigit(int c)
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422 {
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423 return ((c >= '0') && (c <= '9'));
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424 }
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425
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426 // Validate alphanum
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427 __inline__ static bool
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428 isalnum(int c)
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429 {
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430 return (isalpha(c) || isdigit(c));
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431 }
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432
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433 //----------------------------------------------------------------------------
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434 // syscall values
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435 #if defined(CYGSEM_REDBOOT_BSP_SYSCALLS)
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436
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437 // These are required by the ANSI C part of newlib (excluding system() of
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438 // course).
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439 #define SYS_exit 1
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440 #define SYS_open 2
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441 #define SYS_close 3
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442 #define SYS_read 4
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443 #define SYS_write 5
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444 #define SYS_lseek 6
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445 #define SYS_unlink 7
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446 #define SYS_getpid 8
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447 #define SYS_kill 9
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448 #define SYS_fstat 10
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449 //#define SYS_sbrk 11 - not currently a system call, but reserved.
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450
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451 // ARGV support.
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452 #define SYS_argvlen 12
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453 #define SYS_argv 13
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454
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455 // These are extras added for one reason or another.
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456 #define SYS_chdir 14
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457 #define SYS_stat 15
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458 #define SYS_chmod 16
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459 #define SYS_utime 17
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460 #define SYS_time 18
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461 #define SYS_gettimeofday 19
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462 #define SYS_times 20
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463
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464 #define SYS_interrupt 1000
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465 #define SYS_meminfo 1001
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466
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467 #define __GET_SHARED 0xbaad // 47789 decimal
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468
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469 #ifdef CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
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470
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471 #define SYS_timer_call_back 2001
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472 #define SYS_timer_frequency 2002
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473 #define SYS_timer_reset 2003
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474
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475 #endif // CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
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476 #define SYS_rename 3001
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477 #define SYS_isatty 3002
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478 #define SYS_system 3003
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479
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480 #endif // CYGSEM_REDBOOT_BSP_SYSCALLS
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481
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482 #endif // _REDBOOT_H_