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annotate packages/redboot/current/src/load.c @ 198:ea3f0bd33a73

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Merge from eCos master repository on 2001-12-07-11:40:47-GMT
author jlarmour
date Fri, 07 Dec 2001 14:15:03 +0000
parents 9b55e9c69693
children e0c0827131d1
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1 //==========================================================================
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2 //
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3 // load.c
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4 //
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5 // RedBoot file/image loader
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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, tsmith
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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 #include <redboot.h>
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47 #include <xyzModem.h>
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48 #ifdef CYGPKG_REDBOOT_DISK
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49 #include <fs/disk.h>
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50 #endif
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51
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52
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53 // Buffer used by redboot_getc
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54 getc_info_t getc_info;
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55
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56 static char usage[] = "[-r] [-v] "
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57 #ifdef CYGPKG_COMPRESS_ZLIB
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58 "[-d] "
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59 #endif
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60 "[-h <host>] [-m {TFTP | xyzMODEM"
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61 #ifdef CYGPKG_REDBOOT_DISK
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62 " | disk"
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63 #endif
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64 #if CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS > 1
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65 " -c <channel_number>"
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66 #endif
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67 "}]\n [-b <base_address>] <file_name>";
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68
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69 // Exported CLI function
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70 RedBoot_cmd("load",
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71 "Load a file",
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72 usage,
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73 do_load
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74 );
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75
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76 static unsigned long
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77 load_elf_image(int (*getc)(void))
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78 {
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79 diag_printf("ELF images not supported\n");
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80 return 0;
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81 }
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82
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83 //
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84 // Scan a string of hex bytes and update the checksum
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85 //
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86 static long
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87 _hex2(int (*getc)(void), int len, long *sum)
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88 {
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89 int val, byte;
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90 char c1, c2;
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91
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92 val = 0;
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93 while (len-- > 0) {
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94 c1 = (*getc)();
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95 c2 = (*getc)();
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96 if (_is_hex(c1) && _is_hex(c2)) {
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97 val <<= 8;
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98 byte = (_from_hex(c1)<<4) | _from_hex(c2);
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99 val |= byte;
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100 if (sum) {
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101 *sum += byte;
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102 }
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103 } else {
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104 return (-1);
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105 }
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106 }
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107 return (val);
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108 }
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109
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110 //
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111 // Process a set of S-records, loading the contents into memory.
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112 // Note: if a "base" value is provided, the data will be relocated
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113 // relative to that location. Of course, this can only work for
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114 // the first section of the data, so if there are non-contiguous
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115 // pieces of data, they will end up relocated in the same fashion.
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116 // Because of this, "base" probably only makes sense for a set of
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117 // data which has only one section, e.g. a ROM image.
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118 //
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119 #define MAX_LINE 80
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120 static unsigned long
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121 load_srec_image(int (*getc)(void), void (*terminate)(int method,int (*getc)(void)), unsigned long base)
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122 {
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123 char line[MAX_LINE];
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124 char *lp;
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125 int c, len;
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126 long offset = 0, count, sum, val, cksum;
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127 unsigned char *addr, *base_addr;
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128 char type;
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129 bool first_addr = true;
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130 unsigned long addr_offset = 0;
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131 unsigned long highest_address = 0;
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132 unsigned long lowest_address = 0xFFFFFFFF;
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133
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134 while ((c = (*getc)()) > 0) {
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135 lp = line; len = 0;
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136 // Start of line
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137 if (c != 'S') {
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138 if (terminate) (*terminate)(xyzModem_abort, getc);
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139 diag_printf("Invalid S-record at offset %p, input: %c\n",
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140 (void *)offset, c);
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141 return 0;
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142 }
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143 type = (*getc)();
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144 offset += 2;
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145 sum = 0;
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146 if ((count = _hex2(getc, 1, &sum)) < 0) {
182
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147 if (terminate) (*terminate)(xyzModem_abort, getc);
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148 diag_printf("Bad S-record count at offset %p\n", (void *)offset);
156
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149 return 0;
115
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150 }
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151 offset += 1;
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152 switch (type) {
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153 case '0':
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154 break;
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155 case '1':
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156 case '2':
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157 case '3':
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158 base_addr = addr = (unsigned char *)_hex2(getc, (type-'1'+2), &sum);
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159 offset += (type-'1'+2);
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160 if (first_addr) {
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161 if (base) {
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162 addr_offset = (unsigned long)base - (unsigned long)addr;
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163 } else {
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164 addr_offset = 0;
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165 }
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166 first_addr = false;
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167 }
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168 addr += addr_offset;
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169 if ((unsigned long)(addr-addr_offset) < lowest_address) {
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170 lowest_address = (unsigned long)(addr - addr_offset);
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171 }
174
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172 #ifdef CYGSEM_REDBOOT_VALIDATE_USER_RAM_LOADS
156
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173 if ((addr < user_ram_start) || (addr > user_ram_end)) {
182
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174 // Only if there is no need to stop the download before printing
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175 // output can we ask confirmation questions.
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176 if (terminate) {
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177 (*terminate)(xyzModem_abort, getc);
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178 diag_printf("*** Warning! Attempt to load S-record to address: %p\nRedBoot does not believe this is in RAM\nUse TFTP for a chance to override this.\n",(void*)addr);
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179 } else {
161
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180 if (!verify_action("Attempt to load S-record data to address: %p\n"
171
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181 "RedBoot does not believe this is in RAM", (void*)addr))
161
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182 return 0;
182
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183 }
115
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184 }
174
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185 #endif
115
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186 count -= ((type-'1'+2)+1);
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187 offset += count;
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188 while (count-- > 0) {
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189 val = _hex2(getc, 1, &sum);
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190 *addr++ = val;
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191 }
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192 cksum = _hex2(getc, 1, 0);
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193 offset += 1;
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194 sum = sum & 0xFF;
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195 cksum = (~cksum & 0xFF);
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196 if (cksum != sum) {
182
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197 if (terminate) (*terminate)(xyzModem_abort, getc);
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198 diag_printf("*** Warning! Checksum failure - Addr: %lx, %02lX <> %02lX\n",
115
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199 (unsigned long)base_addr, sum, cksum);
156
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200 return 0;
115
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201 }
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202 if ((unsigned long)(addr-addr_offset) > highest_address) {
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203 highest_address = (unsigned long)(addr - addr_offset);
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204 }
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205 break;
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206 case '7':
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207 case '8':
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208 case '9':
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209 addr = (unsigned char *)_hex2(getc, ('9'-type+2), &sum);
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210 offset += ('9'-type+2);
196
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diff changeset
211 entry_address = (unsigned long)addr;
182
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diff changeset
212 if (terminate) (*terminate)(xyzModem_close, getc);
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213 if (addr_offset) diag_printf("Address offset = %p\n", (void *)addr_offset);
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214 diag_printf("Entry point: %p, address range: %p-%p\n",
143
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215 (void*)entry_address, (void *)lowest_address, (void *)highest_address);
196
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216
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217 // Save load base/top
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218 load_address = lowest_address;
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219 load_address_end = highest_address;
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220
156
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221 return highest_address;
115
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222 default:
182
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223 if (terminate) (*terminate)(xyzModem_abort, getc);
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224 diag_printf("Invalid S-record at offset 0x%lx, type: %x\n",
115
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225 (unsigned long)offset, type);
156
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226 return 0;
115
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227 }
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228 while ((c = (*getc)()) != '\n') offset++;
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229 }
156
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230 return 0;
115
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231 }
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232
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233
124
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diff changeset
234 int
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diff changeset
235 redboot_getc(void)
115
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236 {
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237 static char spin[] = "|/-\\|-";
124
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diff changeset
238 if (getc_info.avail < 0) {
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239 return -1;
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240 }
115
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241 if (getc_info.avail == 0) {
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242 if (getc_info.verbose) {
182
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diff changeset
243 diag_printf("%c\b", spin[getc_info.tick++]);
115
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244 if (getc_info.tick >= sizeof(spin)) {
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245 getc_info.tick = 0;
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246 }
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247 }
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248 if (getc_info.len < BUF_SIZE) {
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249 // No more data available
182
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diff changeset
250 if (getc_info.verbose) diag_printf("\n");
115
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251 return -1;
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252 }
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253 getc_info.bufp = getc_info.buf;
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254 getc_info.len = (*getc_info.fun)(getc_info.bufp, BUF_SIZE, &getc_info.err);
117
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diff changeset
255 if ((getc_info.avail = getc_info.len) <= 0) {
182
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256 if (getc_info.verbose) diag_printf("\n");
115
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257 return -1;
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258 }
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259 }
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260 getc_info.avail--;
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261 return *getc_info.bufp++;
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262 }
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263
124
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diff changeset
264 void
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265 redboot_getc_init(int (*fun)(char *, int, int *), int verbose)
115
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266 {
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267 getc_info.avail = 0;
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268 getc_info.len = BUF_SIZE;
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269 getc_info.fun = fun;
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270 getc_info.verbose = verbose;
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271 getc_info.tick = 0;
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272 }
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273
124
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diff changeset
274 void
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diff changeset
275 redboot_getc_rewind(void)
115
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276 {
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277 getc_info.bufp = getc_info.buf;
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278 getc_info.avail = getc_info.len;
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279 }
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280
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281 #define MODE_TFTP 0
174
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282 #define MODE_XMODEM xyzModem_xmodem // 1
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283 #define MODE_YMODEM xyzModem_ymodem // 2
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284 #define MODE_ZMODEM xyzModem_zmodem // 3
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285 #define MODE_DISK 4
115
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286
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287 void
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288 do_load(int argc, char *argv[])
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289 {
126
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290 int res, num_options;
132
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291 int i, err, mode;
117
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292 bool verbose, raw;
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293 bool base_addr_set, mode_str_set;
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294 char *mode_str;
115
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295 #ifdef CYGPKG_REDBOOT_NETWORKING
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296 struct sockaddr_in host;
117
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297 bool hostname_set;
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298 char *hostname;
115
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299 #endif
156
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300 #ifdef CYGPKG_COMPRESS_ZLIB
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301 bool decompress;
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302 #endif
184
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303 int chan = -1;
198
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304 #if CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS > 1
184
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305 bool chan_set;
198
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306 #endif
115
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307 unsigned long base = 0;
156
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308 unsigned long end = 0;
115
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309 char type[4];
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310 char *filename = 0;
184
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311 struct option_info opts[7];
115
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312
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313 #ifdef CYGPKG_REDBOOT_NETWORKING
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314 memset((char *)&host, 0, sizeof(host));
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315 host.sin_len = sizeof(host);
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316 host.sin_family = AF_INET;
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317 host.sin_addr = my_bootp_info.bp_siaddr;
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318 host.sin_port = 0;
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319 #endif
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320 #ifdef CYGPKG_REDBOOT_NETWORKING
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321 mode = MODE_TFTP;
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322 #else
132
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323 mode = MODE_YMODEM;
115
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324 #endif
117
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325
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326 init_opts(&opts[0], 'v', false, OPTION_ARG_TYPE_FLG,
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327 (void **)&verbose, 0, "verbose");
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328 init_opts(&opts[1], 'r', false, OPTION_ARG_TYPE_FLG,
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329 (void **)&raw, 0, "load raw data");
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330 init_opts(&opts[2], 'b', true, OPTION_ARG_TYPE_NUM,
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331 (void **)&base, (bool *)&base_addr_set, "load address");
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332 init_opts(&opts[3], 'm', true, OPTION_ARG_TYPE_STR,
174
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333 (void **)&mode_str, (bool *)&mode_str_set, "download mode (TFTP, xyzMODEM, or disk)");
117
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334 num_options = 4;
184
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335 #if CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS > 1
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336 init_opts(&opts[num_options], 'c', true, OPTION_ARG_TYPE_NUM,
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337 (void **)&chan, (bool *)&chan_set, "I/O channel");
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338 num_options++;
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339 #endif
115
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340 #ifdef CYGPKG_REDBOOT_NETWORKING
179
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341 init_opts(&opts[num_options], 'h', true, OPTION_ARG_TYPE_STR,
184
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342 (void **)&hostname, (bool *)&hostname_set, "host name or IP address");
156
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343 num_options++;
115
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344 #endif
156
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345 #ifdef CYGPKG_COMPRESS_ZLIB
179
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346 init_opts(&opts[num_options], 'd', false, OPTION_ARG_TYPE_FLG,
156
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347 (void **)&decompress, 0, "decompress");
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348 num_options++;
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349 #endif
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350
117
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351 if (!scan_opts(argc, argv, 1, opts, num_options, (void *)&filename, OPTION_ARG_TYPE_STR, "file name"))
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352 {
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353 return;
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354 }
115
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355 #ifdef CYGPKG_REDBOOT_NETWORKING
117
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356 if (hostname_set) {
184
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357 ip_route_t rt;
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358 if (!_gethostbyname(hostname, (in_addr_t *)&host)) {
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359 diag_printf("Invalid host: %s\n", hostname);
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360 return;
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361 }
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362 /* check that the host can be accessed */
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363 if (__arp_lookup((ip_addr_t *)&host.sin_addr, &rt) < 0) {
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364 diag_printf("Unable to reach host %s (%s)\n",
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365 hostname, inet_ntoa((in_addr_t *)&host));
117
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366 return;
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367 }
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368 }
115
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369 #endif
117
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370 if (mode_str_set) {
182
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371 if (strncasecmp(&mode_str[1], "modem", strlen(&mode_str[1])) == 0) {
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372 switch (_tolower(mode_str[0])) {
132
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373 case 'x':
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374 mode = MODE_XMODEM;
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375 break;
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376 case 'y':
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377 mode = MODE_YMODEM;
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378 break;
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379 case 'z':
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380 mode = MODE_ZMODEM;
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381 break;
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382 default:
182
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383 diag_printf("Invalid 'mode': %s\n", mode_str);
132
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384 return;
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385 }
165
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386 // When using a serial download type, override verbose
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387 // setting: spinner interferes with the protocol.
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388 verbose = false;
174
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389 #ifdef CYGPKG_REDBOOT_DISK
182
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390 } else if (strcasecmp(mode_str, "disk") == 0) {
174
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391 mode = MODE_DISK;
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392 #endif
117
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393 #ifdef CYGPKG_REDBOOT_NETWORKING
182
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394 } else if (strcasecmp(mode_str, "tftp") == 0) {
117
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395 mode = MODE_TFTP;
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396 if (!have_net) {
182
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397 diag_printf("TFTP mode requires a working network\n");
115
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398 return;
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399 }
117
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400 #endif
115
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401 } else {
182
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402 diag_printf("Invalid 'mode': %s\n", mode_str);
117
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403 return;
115
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404 }
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405 }
174
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406 #if defined(CYGPKG_REDBOOT_NETWORKING) || defined(CYGPKG_REDBOOT_DISK)
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407 if ((mode == MODE_TFTP || mode == MODE_DISK) && !filename) {
182
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408 diag_printf("File name missing\n");
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409 diag_printf("usage: load %s\n", usage);
115
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410 return;
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411 }
162
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diff changeset
412 #endif
184
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413 #if CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS > 1
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414 if (chan_set) {
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415 if ((mode != MODE_XMODEM) && (mode != MODE_YMODEM) && (mode != MODE_ZMODEM)) {
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diff changeset
416 diag_printf("I/O channel can only be used with {xyz}Modem\n");
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jlarmour
parents: 182
diff changeset
417 return;
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST
jlarmour
parents: 182
diff changeset
418 }
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST
jlarmour
parents: 182
diff changeset
419 if (chan >= CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS) {
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jlarmour
parents: 182
diff changeset
420 diag_printf("Invalid I/O channel: %d\n", chan);
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jlarmour
parents: 182
diff changeset
421 return;
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST
jlarmour
parents: 182
diff changeset
422 }
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jlarmour
parents: 182
diff changeset
423 } else {
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jlarmour
parents: 182
diff changeset
424 chan = -1;
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST
jlarmour
parents: 182
diff changeset
425 }
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jlarmour
parents: 182
diff changeset
426 #endif
174
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jlarmour
parents: 171
diff changeset
427 #ifdef CYGSEM_REDBOOT_VALIDATE_USER_RAM_LOADS
153
5e8f3b328bb3 Merge from eCos master repository on 2001-02-19-15:48:12-GMT
jlarmour
parents: 143
diff changeset
428 if (base_addr_set &&
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 154
diff changeset
429 ((base < (unsigned long)user_ram_start) ||
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 154
diff changeset
430 (base > (unsigned long)user_ram_end))) {
161
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents: 157
diff changeset
431 if (!verify_action("Specified address (%p) is not believed to be in RAM", (void*)base))
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents: 157
diff changeset
432 return;
143
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT
jlarmour
parents: 132
diff changeset
433 }
174
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST
jlarmour
parents: 171
diff changeset
434 #endif
157
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
435 if (raw && !base_addr_set) {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
436 diag_printf("Raw load requires a memory address\n");
157
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
437 return;
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jlarmour
parents: 156
diff changeset
438 }
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
439 #ifdef CYGPKG_REDBOOT_NETWORKING
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jlarmour
parents:
diff changeset
440 if (mode == MODE_TFTP) {
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jlarmour
parents:
diff changeset
441 res = tftp_stream_open(filename, &host, TFTP_OCTET, &err);
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
442 if (res < 0) {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
443 diag_printf("Can't load '%s': %s\n", filename, tftp_error(err));
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
444 return;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
445 }
124
0ec04793409a Merge from eCos master repository on 2000-09-11-03:00:13-BST
jlarmour
parents: 117
diff changeset
446 redboot_getc_init(tftp_stream_read, verbose);
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
447 }
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jlarmour
parents:
diff changeset
448 #endif
174
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST
jlarmour
parents: 171
diff changeset
449 #ifdef CYGPKG_REDBOOT_DISK
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jlarmour
parents: 171
diff changeset
450 else if (mode == MODE_DISK) {
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jlarmour
parents: 171
diff changeset
451 res = disk_stream_open(filename, &err);
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jlarmour
parents: 171
diff changeset
452 if (res < 0) {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
453 diag_printf("Can't load '%s': %s\n", filename, disk_error(err));
174
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST
jlarmour
parents: 171
diff changeset
454 return;
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jlarmour
parents: 171
diff changeset
455 }
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jlarmour
parents: 171
diff changeset
456 redboot_getc_init(disk_stream_read, verbose);
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST
jlarmour
parents: 171
diff changeset
457 }
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jlarmour
parents: 171
diff changeset
458 #endif
132
0ae0bc38e387 Merge from eCos master repository on 2000-10-31-00:30:36-GMT
jlarmour
parents: 126
diff changeset
459 else {
184
022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST
jlarmour
parents: 182
diff changeset
460 res = xyzModem_stream_open(filename, mode, chan, &err);
132
0ae0bc38e387 Merge from eCos master repository on 2000-10-31-00:30:36-GMT
jlarmour
parents: 126
diff changeset
461 if (res < 0) {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
462 diag_printf("Can't load '%s': %s\n", filename, xyzModem_error(err));
132
0ae0bc38e387 Merge from eCos master repository on 2000-10-31-00:30:36-GMT
jlarmour
parents: 126
diff changeset
463 return;
0ae0bc38e387 Merge from eCos master repository on 2000-10-31-00:30:36-GMT
jlarmour
parents: 126
diff changeset
464 }
143
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT
jlarmour
parents: 132
diff changeset
465 // Suppress verbosity when using xyz modem download
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jlarmour
parents: 132
diff changeset
466 redboot_getc_init(xyzModem_stream_read, 0 && verbose);
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
467 }
157
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
468 if (raw) {
156
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jlarmour
parents: 154
diff changeset
469 #ifdef CYGPKG_COMPRESS_ZLIB
157
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
470 if (decompress) {
163
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST
jlarmour
parents: 162
diff changeset
471 _pipe_t load_pipe;
157
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
472 _pipe_t* p = &load_pipe;
163
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST
jlarmour
parents: 162
diff changeset
473 unsigned char _buffer[CYGNUM_REDBOOT_LOAD_ZLIB_BUFFER];
0d2b193a635f Merge from eCos master repository on 2001-06-22-17:38:39-BST
jlarmour
parents: 162
diff changeset
474
157
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
475 p->out_buf = (unsigned char*) base;
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jlarmour
parents: 156
diff changeset
476 p->out_size = 0;
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jlarmour
parents: 156
diff changeset
477 p->in_buf = _buffer;
156
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jlarmour
parents: 154
diff changeset
478
157
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
479 err = (*_dc_init)(p);
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jlarmour
parents: 156
diff changeset
480
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
481 while (0 == err) {
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jlarmour
parents: 156
diff changeset
482 p->in_avail = 0;
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jlarmour
parents: 156
diff changeset
483 for (i = 0; i < CYGNUM_REDBOOT_LOAD_ZLIB_BUFFER; i++) {
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
484 res = redboot_getc();
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jlarmour
parents: 156
diff changeset
485 if (res < 0) break;
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jlarmour
parents: 156
diff changeset
486 p->in_buf[p->in_avail++] = res;
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
487 }
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jlarmour
parents: 156
diff changeset
488 if (0 == p->in_avail) break;
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jlarmour
parents: 156
diff changeset
489
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
490 err = (*_dc_inflate)(p);
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
491 }
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jlarmour
parents: 156
diff changeset
492
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
493 // Free used resources, do final translation of
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
494 // error value.
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
495 err = (*_dc_close)(p, err);
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 154
diff changeset
496
161
ac086aa3217e Merge from eCos master repository on 2001-06-08-21:11:51-BST
jlarmour
parents: 157
diff changeset
497 if (0 != err && p->msg) {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
498 diag_printf("decompression error: %s\n", p->msg);
161
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jlarmour
parents: 157
diff changeset
499 }
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 154
diff changeset
500
157
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
501 end = (unsigned long) base + p->out_size;
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jlarmour
parents: 156
diff changeset
502 } else // dangling block
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 154
diff changeset
503 #endif
157
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
504 {
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
505 unsigned char *mp = (unsigned char *)base;
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jlarmour
parents: 156
diff changeset
506 while ((res = redboot_getc()) >= 0) {
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jlarmour
parents: 156
diff changeset
507 *mp++ = res;
132
0ae0bc38e387 Merge from eCos master repository on 2000-10-31-00:30:36-GMT
jlarmour
parents: 126
diff changeset
508 }
157
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
509 err = 0;
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jlarmour
parents: 156
diff changeset
510 end = (unsigned long) mp;
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jlarmour
parents: 156
diff changeset
511 }
196
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents: 184
diff changeset
512
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents: 184
diff changeset
513 // Save load base/top
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jlarmour
parents: 184
diff changeset
514 load_address = base;
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jlarmour
parents: 184
diff changeset
515 load_address_end = end;
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jlarmour
parents: 184
diff changeset
516
157
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
517 if (0 == err)
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
518 diag_printf("Raw file loaded %p-%p\n", (void *)base, (void *)end);
157
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
519 } else {
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jlarmour
parents: 156
diff changeset
520 // Read initial header - to determine file [image] type
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jlarmour
parents: 156
diff changeset
521 for (i = 0; i < sizeof(type); i++) {
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jlarmour
parents: 156
diff changeset
522 if ((res = redboot_getc()) < 0) {
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
523 err = getc_info.err;
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
524 break;
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
525 }
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
526 type[i] = res;
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
527 }
b65ec671dd4c Merge from eCos master repository on 2001-04-06-18:28:36-BST
jlarmour
parents: 156
diff changeset
528 if (res >= 0) {
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jlarmour
parents: 156
diff changeset
529 redboot_getc_rewind(); // Restore header to stream
132
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jlarmour
parents: 126
diff changeset
530 // Treat data as some sort of executable image
0ae0bc38e387 Merge from eCos master repository on 2000-10-31-00:30:36-GMT
jlarmour
parents: 126
diff changeset
531 if (strncmp(&type[1], "ELF", 3) == 0) {
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 154
diff changeset
532 end = load_elf_image(redboot_getc);
132
0ae0bc38e387 Merge from eCos master repository on 2000-10-31-00:30:36-GMT
jlarmour
parents: 126
diff changeset
533 } else if ((type[0] == 'S') &&
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jlarmour
parents: 126
diff changeset
534 ((type[1] >= '0') && (type[1] <= '9'))) {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
535 switch (mode) {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
536 case MODE_XMODEM:
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jlarmour
parents: 179
diff changeset
537 case MODE_YMODEM:
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jlarmour
parents: 179
diff changeset
538 case MODE_ZMODEM:
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
539 end = load_srec_image(redboot_getc, xyzModem_stream_terminate, base);
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
540 break;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
541 default:
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
542 end = load_srec_image(redboot_getc, NULL, base);
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
543 break;
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jlarmour
parents: 179
diff changeset
544 }
132
0ae0bc38e387 Merge from eCos master repository on 2000-10-31-00:30:36-GMT
jlarmour
parents: 126
diff changeset
545 } else {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 179
diff changeset
546 diag_printf("Unrecognized image type: 0x%lx\n", *(unsigned long *)type);
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
547 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
548 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
549 }
174
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST
jlarmour
parents: 171
diff changeset
550
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST
jlarmour
parents: 171
diff changeset
551 switch (mode) {
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jlarmour
parents: 171
diff changeset
552 #ifdef CYGPKG_REDBOOT_DISK
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST
jlarmour
parents: 171
diff changeset
553 case MODE_DISK:
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST
jlarmour
parents: 171
diff changeset
554 disk_stream_close(&err);
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST
jlarmour
parents: 171
diff changeset
555 break;
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST
jlarmour
parents: 171
diff changeset
556 #endif
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557 #ifdef CYGPKG_REDBOOT_NETWORKING
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558 case MODE_TFTP:
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559 tftp_stream_close(&err);
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560 break;
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561 #endif
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562 default:
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563 xyzModem_stream_close(&err);
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564 break;
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565 }
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566 return;
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567 }