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1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Add a simple coff header to a binary file |
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15 // optionally strip off the first 256 bytes |
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16 // This is primarily for generating an image |
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17 // file that can be downloaded via the ether |
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18 // to cogent using the SmartFirmWare boot rom |
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19 // |
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20 // |
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21 |
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22 #include <sys/stat.h> |
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23 #include <fcntl.h> |
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24 #include <io.h> |
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25 #include <stdio.h> |
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26 #include <string.h> |
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27 #include <stdlib.h> |
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28 |
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29 // little error functionet |
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30 void error(const char* p) |
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31 { |
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32 fprintf(stderr, "%s\n", p); |
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33 exit(1); |
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34 } |
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35 |
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36 // little usage functionet |
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37 void usage(const char* p) |
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38 { |
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39 fprintf(stderr, "%s\n", p); |
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40 exit(EXIT_FAILURE); |
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41 } |
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42 |
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43 |
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44 int main(int argc, char* argv[]) |
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45 { |
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46 // check for usage |
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47 if (argc < 3 || argc > 4) |
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48 { |
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49 usage("Usage: bin2coff infile outfile nostrip\nOption nostrip: don't strip off the first 256 bytes"); |
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50 } |
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51 |
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52 // make sure we are not operating on only one file |
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53 if (!strcmp(argv[1], argv[2])) |
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54 { |
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55 usage("Usage: bin2coff must specify different input and output files"); |
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56 } |
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57 |
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58 // try to open the input file |
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59 FILE *pInFile; |
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60 if((pInFile = fopen(argv[1], "rb" )) == NULL) |
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61 { |
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62 error("Cannot open input file"); |
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63 } |
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64 |
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65 // open output file |
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66 FILE *pOutFile; |
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67 if((pOutFile = fopen(argv[2], "wb") ) == NULL) |
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68 { |
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69 error("Cannot open output file"); |
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70 } |
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71 |
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72 // strip the 256 long header? |
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73 // ok, so it's simple, so what |
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74 bool stripheader = (argc == 3); |
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75 |
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76 // how big is the input file |
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77 struct stat filelength; |
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78 stat(argv[1], &filelength); |
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79 unsigned long fsize = filelength.st_size; |
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80 if (stripheader) |
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81 { |
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82 fsize -= 256; |
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83 } |
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84 |
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85 // write out the coff header to the new file |
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86 // somewhere to put a simple coff header |
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87 unsigned char coffhead[0x58] = {0}; // zero all the elements |
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88 |
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89 // fill in the constant bits |
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90 // this is supposed to be simple, remember |
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91 coffhead[1] = 0x0a; |
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92 coffhead[2] = 0x01; |
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93 coffhead[0x10] = 0x1c; |
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94 coffhead[0x12] = 0x0f; |
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95 coffhead[0x13] = 0xa1; |
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96 coffhead[0x14] = 0x0b; |
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97 coffhead[0x15] = 0x01; |
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98 coffhead[0x26] = 0x40; // entry point 0x00400000 |
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99 coffhead[0x2a] = 0x40; |
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100 coffhead[0x30] = 0x2e; |
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101 coffhead[0x31] = 0x74; |
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102 coffhead[0x32] = 0x65; |
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103 coffhead[0x33] = 0x78; |
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104 coffhead[0x34] = 0x74; |
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105 coffhead[0x3a] = 0x40; |
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106 coffhead[0x3e] = 0x40; |
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107 coffhead[0x44] = 0x58; |
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108 coffhead[0x54] = 0x20; |
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109 |
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110 // now fill in the text segment size |
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111 *(int *) (&coffhead[0x18]) = fsize; |
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112 *(int *) (&coffhead[0x40]) = fsize; |
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113 |
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114 // write out the new file |
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115 // first the header |
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116 int numwritten=0; |
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117 numwritten = fwrite(coffhead, sizeof(char), 0x58, pOutFile); |
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118 if (numwritten < 0x58) |
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119 { |
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120 error("The number of items written is less than 0x58"); |
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121 } |
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122 |
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123 // now the rest of the file |
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124 if (stripheader) |
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125 { |
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126 fpos_t filePositionIndicator = 0x100; |
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127 if (fsetpos(pInFile, &filePositionIndicator) !=0) |
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128 { |
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129 error("The file is not accessible "); |
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130 } |
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131 } |
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132 |
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133 static const int buffsize = 1024; |
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134 unsigned char fbuff[buffsize]; |
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135 while (!feof(pInFile)) |
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136 { |
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137 int nread = fread(fbuff,sizeof(unsigned char), sizeof(fbuff), pInFile); |
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138 int nwritten = fwrite(fbuff, sizeof(unsigned char), nread, pOutFile); |
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139 if (nwritten < nread) |
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140 { |
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141 error("The number of items written is less than number of items read"); |
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142 } |
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143 } |
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144 |
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145 fclose(pOutFile); |
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146 fclose(pInFile); |
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147 |
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148 return 0; |
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149 } |