1 | /* |
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2 | * Author: Fernando RUIZ CASAS |
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3 | * |
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4 | * Work: fernando.ruiz@ctv.es |
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5 | * Home: correo@fernando-ruiz.com |
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6 | * |
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7 | * This file is inspired in rtems_monitor & Chris John MyRightBoot |
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8 | * |
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9 | * But I want to make it more user friendly |
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10 | * A 'monitor' command is added to adapt the call rtems monitor commands |
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11 | * at my call procedure |
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12 | * |
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13 | * MINIX date.c is adapted to run here. Like a exercise only.... |
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14 | * |
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15 | * TODO: A lot of improvements of course. |
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16 | * cp, mv, ... |
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17 | * hexdump, |
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18 | * |
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19 | * More? Say me it, please... |
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20 | * |
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21 | * The BSP Specific are not welcome here. |
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22 | * |
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23 | * C&S welcome... |
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24 | * |
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25 | * $Id$ |
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26 | */ |
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27 | |
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28 | #include <stdio.h> |
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29 | #include <termios.h> |
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30 | #include <string.h> |
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31 | #include <stdlib.h> |
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32 | #include <ctype.h> |
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33 | #include <dirent.h> |
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34 | #include <time.h> |
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35 | #include <fcntl.h> |
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36 | #include <unistd.h> |
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37 | #include <pwd.h> |
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38 | #include <grp.h> |
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39 | #include <errno.h> |
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40 | #include <sys/types.h> |
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41 | #include <stddef.h> |
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42 | |
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43 | #include <rtems.h> |
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44 | #include <rtems/monitor.h> |
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45 | #include <rtems/score/tod.h> |
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46 | |
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47 | #include <imfs.h> |
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48 | #include <rtems/shell.h> |
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49 | |
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50 | /* ----------------------------------------------- * |
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51 | - str to int "0xaffe" "0b010010" "0123" "192939" |
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52 | * ----------------------------------------------- */ |
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53 | int str2int(char * s) { |
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54 | int sign=1; |
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55 | int base=10; |
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56 | int value=0; |
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57 | int digit; |
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58 | if (!s) return 0; |
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59 | if (*s) { |
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60 | if (*s=='-') { |
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61 | sign=-1; |
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62 | s++; |
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63 | if (!*s) return 0; |
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64 | }; |
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65 | if (*s=='0') { |
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66 | s++; |
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67 | switch(*s) { |
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68 | case 'x': |
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69 | case 'X':s++; |
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70 | base=16; |
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71 | break; |
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72 | case 'b': |
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73 | case 'B':s++; |
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74 | base=2; |
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75 | break; |
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76 | default :base=8; |
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77 | break; |
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78 | } |
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79 | }; |
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80 | while (*s) { |
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81 | switch(*s) { |
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82 | case '0': |
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83 | case '1': |
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84 | case '2': |
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85 | case '3': |
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86 | case '4': |
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87 | case '5': |
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88 | case '6': |
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89 | case '7': |
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90 | case '8': |
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91 | case '9':digit=*s-'0'; |
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92 | break; |
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93 | case 'A': |
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94 | case 'B': |
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95 | case 'C': |
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96 | case 'D': |
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97 | case 'E': |
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98 | case 'F':digit=*s-'A'+10; |
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99 | break; |
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100 | case 'a': |
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101 | case 'b': |
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102 | case 'c': |
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103 | case 'd': |
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104 | case 'e': |
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105 | case 'f':digit=*s-'a'+10; |
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106 | break; |
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107 | default:return value*sign; |
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108 | }; |
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109 | if (digit>base) return value*sign; |
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110 | value=value*base+digit; |
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111 | s++; |
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112 | }; |
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113 | }; |
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114 | return value*sign; |
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115 | } |
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116 | /*----------------------------------------------------------------------------* |
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117 | * RAM MEMORY COMMANDS |
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118 | *----------------------------------------------------------------------------*/ |
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119 | |
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120 | #define mdump_adr (current_shell_env->mdump_adr) /* static value */ |
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121 | |
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122 | int main_mdump(int argc,char * argv[]) { |
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123 | unsigned char n,m,max=0; |
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124 | int adr=mdump_adr; |
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125 | unsigned char * pb; |
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126 | if (argc>1) adr=str2int(argv[1]); |
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127 | if (argc>2) max=str2int(argv[2]); |
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128 | max/=16; |
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129 | if (!max) max=20; |
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130 | for (m=0;m<max;m++) { |
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131 | printf("0x%08X ",adr); |
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132 | pb=(unsigned char*) adr; |
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133 | for (n=0;n<16;n++) |
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134 | printf("%02X%c",pb[n],n==7?'-':' '); |
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135 | for (n=0;n<16;n++) { |
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136 | printf("%c",isprint(pb[n])?pb[n]:'.'); |
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137 | }; |
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138 | printf("\n"); |
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139 | adr+=16; |
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140 | }; |
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141 | mdump_adr=adr; |
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142 | return 0; |
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143 | } |
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144 | /*----------------------------------------------------------------------------*/ |
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145 | int main_mwdump(int argc,char * argv[]) { |
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146 | unsigned char n,m,max=0; |
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147 | int adr=mdump_adr; |
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148 | unsigned short * pw; |
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149 | if (argc>1) adr=str2int(argv[1]); |
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150 | if (argc>2) max=str2int(argv[2]); |
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151 | max/=16; |
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152 | if (!max) max=20; |
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153 | for (m=0;m<max;m++) { |
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154 | printf("0x%08X ",adr); |
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155 | pw=(unsigned short*) adr; |
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156 | for (n=0;n<8;n++) |
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157 | printf("%02X %02X%c",pw[n]/0x100,pw[n]%0x100,n==3?'-':' '); |
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158 | for (n=0;n<8;n++) { |
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159 | printf("%c",isprint(pw[n]/0x100)?pw[n]/0x100:'.'); |
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160 | printf("%c",isprint(pw[n]%0x100)?pw[n]%0x100:'.'); |
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161 | }; |
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162 | printf("\n"); |
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163 | adr+=16; |
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164 | }; |
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165 | mdump_adr=adr; |
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166 | return 0; |
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167 | } |
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168 | /*----------------------------------------------------------------------------*/ |
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169 | int main_medit(int argc,char * argv[]) { |
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170 | unsigned char * pb; |
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171 | int n,i; |
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172 | if (argc<3) { |
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173 | printf("too few arguments\n"); |
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174 | return 0; |
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175 | }; |
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176 | pb=(unsigned char*)str2int(argv[1]); |
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177 | i=2; |
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178 | n=0; |
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179 | while (i<=argc) { |
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180 | pb[n++]=str2int(argv[i++])%0x100; |
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181 | } |
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182 | mdump_adr=(int)pb; |
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183 | return main_mdump(0,NULL); |
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184 | } |
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185 | /*----------------------------------------------------------------------------*/ |
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186 | int main_mfill(int argc,char * argv[]) { |
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187 | int adr; |
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188 | int size; |
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189 | unsigned char value; |
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190 | if (argc<4) { |
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191 | printf("too few arguments\n"); |
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192 | return 0; |
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193 | }; |
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194 | adr =str2int(argv[1]); |
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195 | size =str2int(argv[2]); |
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196 | value=str2int(argv[3])%0x100; |
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197 | memset((unsigned char*)adr,size,value); |
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198 | mdump_adr=adr; |
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199 | return main_mdump(0,NULL); |
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200 | } |
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201 | /*----------------------------------------------------------------------------*/ |
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202 | int main_mmove(int argc,char * argv[]) { |
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203 | int src; |
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204 | int dst; |
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205 | int size; |
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206 | if (argc<4) { |
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207 | printf("too few arguments\n"); |
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208 | return 0; |
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209 | }; |
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210 | dst =str2int(argv[1]); |
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211 | src =str2int(argv[2]); |
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212 | size =str2int(argv[3]); |
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213 | memcpy((unsigned char*)dst,(unsigned char*)src,size); |
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214 | mdump_adr=dst; |
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215 | return main_mdump(0,NULL); |
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216 | } |
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217 | /*----------------------------------------------------------------------------*/ |
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218 | #ifdef MALLOC_STATS /* /rtems/s/src/lib/libc/malloc.c */ |
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219 | int main_malloc_dump(int argc,char * argv[]) { |
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220 | void malloc_dump(void); |
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221 | malloc_dump(); |
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222 | return 0; |
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223 | } |
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224 | #endif |
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225 | /*---------------------------------------------------------------------------- |
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226 | * Reset. Assumes that the watchdog is present. |
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227 | *----------------------------------------------------------------------------*/ |
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228 | int main_reset (int argc, char **argv) |
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229 | { |
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230 | rtems_interrupt_level level; |
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231 | printf ("Waiting for watchdog ... "); |
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232 | tcdrain(fileno(stdout)); |
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233 | |
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234 | rtems_interrupt_disable (level); |
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235 | for (;;) |
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236 | ; |
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237 | return 0; |
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238 | } |
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239 | /*---------------------------------------------------------------------------- |
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240 | * Alias. make an alias |
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241 | *----------------------------------------------------------------------------*/ |
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242 | int main_alias (int argc, char **argv) |
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243 | { |
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244 | if (argc<3) { |
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245 | printf("too few arguments\n"); |
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246 | return 1; |
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247 | }; |
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248 | if (!shell_alias_cmd(argv[1],argv[2])) { |
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249 | printf("unable to make an alias(%s,%s)\n",argv[1],argv[2]); |
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250 | }; |
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251 | return 0; |
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252 | } |
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253 | /*-----------------------------------------------------------* |
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254 | * Directory commands |
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255 | *-----------------------------------------------------------*/ |
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256 | int main_ls(int argc, char *argv[]) |
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257 | { |
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258 | char * fname; |
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259 | DIR *dirp; |
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260 | struct dirent *dp; |
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261 | struct stat stat_buf; |
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262 | struct passwd * pwd; |
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263 | struct group * grp; |
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264 | char * user; |
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265 | char * group; |
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266 | char sbuf[256]; |
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267 | char nbuf[1024]; |
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268 | int n,size; |
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269 | |
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270 | fname="."; |
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271 | if (argc>1) fname=argv[1]; |
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272 | |
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273 | if ((dirp = opendir(fname)) == NULL) |
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274 | { |
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275 | printf("%s: No such file or directory.\n", fname); |
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276 | return errno; |
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277 | } |
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278 | n=0; |
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279 | size=0; |
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280 | while ((dp = readdir(dirp)) != NULL) |
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281 | { |
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282 | strcpy(nbuf,fname); |
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283 | if (nbuf[strlen(nbuf)-1]!='/') strcat(nbuf,"/"); |
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284 | strcat(nbuf,dp->d_name); /* always the fullpathname. Avoid ftpd problem.*/ |
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285 | if (stat(nbuf, &stat_buf) == 0) |
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286 | { /* AWFUL buts works...*/ |
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287 | strftime(sbuf,sizeof(sbuf)-1,"%b %d %H:%M",gmtime(&stat_buf.st_atime)); |
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288 | pwd=getpwuid(stat_buf.st_uid); |
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289 | user=pwd?pwd->pw_name:"nouser"; |
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290 | grp=getgrgid(stat_buf.st_gid); |
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291 | group=grp?grp->gr_name:"nogrp"; |
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292 | printf("%c%c%c%c%c%c%c%c%c%c %3d %6.6s %6.6s %11d %s %s%c\n", |
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293 | (S_ISLNK(stat_buf.st_mode)?('l'): |
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294 | (S_ISDIR(stat_buf.st_mode)?('d'):('-'))), |
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295 | (stat_buf.st_mode & S_IRUSR)?('r'):('-'), |
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296 | (stat_buf.st_mode & S_IWUSR)?('w'):('-'), |
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297 | (stat_buf.st_mode & S_IXUSR)?('x'):('-'), |
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298 | (stat_buf.st_mode & S_IRGRP)?('r'):('-'), |
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299 | (stat_buf.st_mode & S_IWGRP)?('w'):('-'), |
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300 | (stat_buf.st_mode & S_IXGRP)?('x'):('-'), |
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301 | (stat_buf.st_mode & S_IROTH)?('r'):('-'), |
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302 | (stat_buf.st_mode & S_IWOTH)?('w'):('-'), |
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303 | (stat_buf.st_mode & S_IXOTH)?('x'):('-'), |
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304 | (int)stat_buf.st_nlink, |
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305 | user,group, |
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306 | (int)stat_buf.st_size, |
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307 | sbuf, |
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308 | dp->d_name, |
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309 | S_ISDIR(stat_buf.st_mode)?'/':' '); |
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310 | n++; |
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311 | size+=stat_buf.st_size; |
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312 | } |
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313 | } |
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314 | printf("%d files %d bytes occupied\n",n,size); |
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315 | closedir(dirp); |
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316 | return 0; |
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317 | } |
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318 | /*-----------------------------------------------------------*/ |
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319 | int main_pwd (int argc, char *argv[]) { |
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320 | char dir[1024]; |
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321 | getcwd(dir,1024); |
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322 | printf("%s\n",dir); |
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323 | return 0; |
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324 | } |
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325 | /*-----------------------------------------------------------*/ |
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326 | int main_chdir (int argc, char *argv[]) { |
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327 | char *dir; |
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328 | dir="/"; |
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329 | if (argc>1) dir=argv[1]; |
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330 | if (chdir(dir)) { |
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331 | printf("chdir to '%s' failed:%s\n",dir,strerror(errno)); |
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332 | return errno; |
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333 | }; |
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334 | return 0; |
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335 | } |
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336 | /*-----------------------------------------------------------*/ |
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337 | int main_mkdir (int argc, char *argv[]) { |
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338 | char *dir; |
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339 | dir=NULL; |
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340 | if (argc>1) dir=argv[1]; |
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341 | if (mkdir(dir,S_IRWXU|S_IRWXG|S_IRWXO)) { |
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342 | printf("mkdir '%s' failed:%s\n",dir,strerror(errno)); |
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343 | }; |
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344 | return errno; |
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345 | } |
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346 | /*-----------------------------------------------------------*/ |
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347 | int main_rmdir (int argc, char *argv[]) |
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348 | { |
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349 | char *dir; |
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350 | dir=NULL; |
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351 | if (argc>1) dir=argv[1]; |
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352 | if (rmdir(dir)) printf("rmdir '%s' failed:%s\n",dir,strerror(errno)); |
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353 | return errno; |
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354 | } |
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355 | /*-----------------------------------------------------------*/ |
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356 | int main_chroot(int argc,char * argv[]) { |
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357 | char * new_root="/"; |
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358 | if (argc==2) new_root=argv[1]; |
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359 | if (chroot(new_root)<0) { |
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360 | printf("error %s:chroot(%s);\n",strerror(errno),new_root); |
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361 | return -1; |
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362 | }; |
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363 | return 0; |
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364 | } |
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365 | /*-----------------------------------------------------------*/ |
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366 | int main_cat (int argc, char *argv[]) |
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367 | { |
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368 | int n; |
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369 | n=1; |
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370 | while (n<argc) cat_file(stdout,argv[n++]); |
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371 | return 0; |
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372 | } |
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373 | /*-----------------------------------------------------------*/ |
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374 | int main_rm (int argc, char *argv[]) |
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375 | { |
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376 | int n; |
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377 | n=1; |
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378 | while (n<argc) { |
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379 | if (unlink(argv[n])) { |
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380 | printf("error %s:rm %s\n",strerror(errno),argv[n]); |
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381 | return -1; |
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382 | }; |
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383 | n++; |
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384 | }; |
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385 | return 0; |
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386 | } |
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387 | /*-----------------------------------------------------------*/ |
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388 | /* date - print or set time and date Author: Jan Looyen */ |
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389 | /* MINIX 1.5 GPL'ed */ |
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390 | |
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391 | |
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392 | #define MIN 60L /* # seconds in a minute */ |
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393 | #define HOUR (60 * MIN) /* # seconds in an hour */ |
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394 | #define DAY (24 * HOUR) /* # seconds in a day */ |
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395 | #define YEAR (365 * DAY) /* # seconds in a year */ |
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396 | |
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397 | static int conv(unsigned32 *value,char **ptr,unsigned32 max) |
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398 | { |
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399 | int buf; |
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400 | *ptr -= 2; |
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401 | buf = atoi(*ptr); |
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402 | **ptr = 0; |
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403 | if (buf < 0 || buf > max) { |
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404 | fprintf(stderr, "Date: bad conversion\n"); |
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405 | return 0; |
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406 | }; |
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407 | *value=buf; |
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408 | return 1; |
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409 | } |
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410 | |
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411 | static int set_time(char *t) |
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412 | { |
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413 | rtems_time_of_day tod; |
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414 | FILE * rtc; |
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415 | char *tp; |
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416 | int len; |
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417 | if (rtems_clock_get(RTEMS_CLOCK_GET_TOD,&tod)!=RTEMS_SUCCESSFUL) |
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418 | memset(&tod,0,sizeof(tod)); |
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419 | len = strlen(t); |
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420 | if (len != 12 && len != 10 && len != 6 && len != 4) return 0; |
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421 | tp = t; |
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422 | while (*tp) |
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423 | if (!isdigit(*tp++)) { |
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424 | fprintf(stderr, "date: bad conversion\n"); |
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425 | return 0; |
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426 | }; |
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427 | if (len == 6 || len == 12) |
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428 | if (!conv(&tod.second,&tp, 59)) return 0; |
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429 | if (!conv(&tod.minute,&tp, 59)) return 0; |
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430 | if (!conv(&tod.hour,&tp, 23)) return 0; |
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431 | if (len == 12 || len == 10) { |
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432 | if (!conv(&tod.year,&tp, 99)) return 0; |
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433 | tod.year+=1900; |
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434 | if (tod.year<TOD_BASE_YEAR) tod.year+=100; |
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435 | if (!conv(&tod.day ,&tp, 31)) return 0; |
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436 | if (!conv(&tod.month ,&tp, 12)) return 0; |
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437 | } |
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438 | if (!_TOD_Validate(&tod)) { |
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439 | fprintf(stderr, "Invalid date value\n"); |
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440 | } else { |
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441 | rtems_clock_set(&tod); |
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442 | rtems_clock_get(RTEMS_CLOCK_GET_TOD,&tod); |
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443 | rtc=fopen("/dev/rtc","r+"); |
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444 | if (rtc) { |
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445 | fwrite(&tod,sizeof(tod),1,rtc); |
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446 | fclose(rtc); |
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447 | }; |
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448 | }; |
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449 | return 1; |
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450 | } |
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451 | |
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452 | int main_date(int argc,char *argv[]) |
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453 | { |
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454 | time_t t; |
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455 | if (argc == 2) set_time(argv[1]); |
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456 | time(&t); |
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457 | printf("%s", ctime(&t)); |
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458 | return 0; |
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459 | } |
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460 | /*-----------------------------------------------------------*/ |
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461 | int main_logoff(int argc,char *argv[]) |
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462 | { |
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463 | printf("logoff from the system..."); |
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464 | current_shell_env->exit_shell=TRUE; |
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465 | return 0; |
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466 | } |
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467 | /*-----------------------------------------------------------*/ |
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468 | int main_tty (int argc,char *argv[]) |
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469 | { |
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470 | printf("%s\n",ttyname(fileno(stdin))); |
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471 | return 0; |
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472 | } |
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473 | /*-----------------------------------------------------------*/ |
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474 | int main_whoami(int argc,char *argv[]) |
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475 | { |
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476 | struct passwd * pwd; |
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477 | pwd=getpwuid(getuid()); |
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478 | printf("%s\n",pwd?pwd->pw_name:"nobody"); |
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479 | return 0; |
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480 | } |
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481 | /*-----------------------------------------------------------*/ |
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482 | int main_id (int argc,char *argv[]) |
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483 | { |
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484 | struct passwd * pwd; |
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485 | struct group * grp; |
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486 | pwd=getpwuid(getuid()); |
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487 | grp=getgrgid(getgid()); |
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488 | printf("uid=%d(%s),gid=%d(%s),", |
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489 | getuid(),pwd?pwd->pw_name:"", |
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490 | getgid(),grp?grp->gr_name:""); |
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491 | pwd=getpwuid(geteuid()); |
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492 | grp=getgrgid(getegid()); |
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493 | printf("euid=%d(%s),egid=%d(%s)\n", |
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494 | geteuid(),pwd?pwd->pw_name:"", |
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495 | getegid(),grp?grp->gr_name:""); |
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496 | return 0; |
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497 | } |
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498 | /*-----------------------------------------------------------*/ |
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499 | int main_umask(int argc,char *argv[]) |
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500 | { |
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501 | mode_t msk=umask(0); |
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502 | if (argc == 2) msk=str2int(argv[1]); |
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503 | umask(msk); |
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504 | msk=umask(0); |
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505 | printf("0%o\n",msk); |
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506 | umask(msk); |
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507 | return 0; |
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508 | } |
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509 | /*-----------------------------------------------------------*/ |
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510 | int main_chmod(int argc,char *argv[]) |
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511 | { |
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512 | int n; |
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513 | mode_t mode; |
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514 | if (argc > 2){ |
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515 | mode=str2int(argv[1])&0777; |
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516 | n=2; |
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517 | while (n<argc) chmod(argv[n++],mode); |
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518 | }; |
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519 | return 0; |
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520 | } |
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521 | /*-----------------------------------------------------------* |
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522 | * with this you can call at all the rtems monitor commands. |
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523 | * Not all work fine but you can show the rtems status and more. |
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524 | *-----------------------------------------------------------*/ |
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525 | int main_monitor(int argc,char * argv[]) { |
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526 | rtems_monitor_command_entry_t *command; |
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527 | extern rtems_monitor_command_entry_t rtems_monitor_commands[]; |
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528 | rtems_task_ident(RTEMS_SELF,0,&rtems_monitor_task_id); |
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529 | rtems_monitor_node = rtems_get_node(rtems_monitor_task_id); |
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530 | rtems_monitor_default_node = rtems_monitor_node; |
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531 | if ((command=rtems_monitor_command_lookup(rtems_monitor_commands,argc,argv))) |
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532 | command->command_function(argc, argv, command->command_arg, 0); |
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533 | return 0; |
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534 | } |
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535 | /*-----------------------------------------------------------*/ |
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536 | void register_cmds(void) { |
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537 | rtems_monitor_command_entry_t *command; |
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538 | extern rtems_monitor_command_entry_t rtems_monitor_commands[]; |
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539 | /* monitor topic */ |
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540 | command=rtems_monitor_commands; |
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541 | while (command) { |
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542 | if (strcmp("exit",command->command)) /*Exclude EXIT (alias quit)*/ |
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543 | shell_add_cmd(command->command,"monitor", |
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544 | command->usage ,main_monitor); |
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545 | command=command->next; |
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546 | }; |
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547 | /* dir[ectories] topic */ |
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548 | shell_add_cmd ("ls" ,"dir","ls [dir] # list files in the directory" ,main_ls ); |
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549 | shell_add_cmd ("chdir" ,"dir","chdir [dir] # change the current directory",main_chdir); |
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550 | shell_add_cmd ("rmdir" ,"dir","rmdir dir # remove directory" ,main_rmdir); |
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551 | shell_add_cmd ("mkdir" ,"dir","mkdir dir # make a directory" ,main_mkdir); |
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552 | shell_add_cmd ("pwd" ,"dir","pwd # print work directory" ,main_pwd ); |
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553 | shell_add_cmd ("chroot","dir","chroot [dir] # change the root directory" ,main_chroot); |
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554 | shell_add_cmd ("cat" ,"dir","cat n1 [n2 [n3...]]# show the ascii contents",main_cat ); |
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555 | shell_add_cmd ("rm" ,"dir","rm n1 [n2 [n3...]]# remove files" ,main_rm ); |
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556 | shell_add_cmd ("chmod" ,"dir","chmod 0777 n1 n2... #change filemode" ,main_chmod); |
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557 | |
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558 | shell_alias_cmd("ls" ,"dir"); |
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559 | shell_alias_cmd("chdir" ,"cd"); |
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560 | |
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561 | /* misc. topic */ |
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562 | shell_add_cmd ("logoff","misc","logoff from the system" ,main_logoff); |
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563 | shell_alias_cmd("logoff","exit"); |
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564 | shell_add_cmd ("date" ,"misc","date [[MMDDYY]hhmm[ss]]" ,main_date); |
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565 | shell_add_cmd ("reset","misc","reset the BSP" ,main_reset); |
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566 | shell_add_cmd ("alias","misc","alias old new" ,main_alias); |
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567 | shell_add_cmd ("tty" ,"misc","show ttyname" ,main_tty ); |
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568 | shell_add_cmd ("whoami","misc","show current user" ,main_whoami); |
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569 | shell_add_cmd ("id" ,"misc","show uid,gid,euid,egid" ,main_id ); |
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570 | shell_add_cmd ("umask" ,"misc","umask [new_umask]" ,main_umask ); |
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571 | |
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572 | |
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573 | /* memory topic */ |
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574 | shell_add_cmd ("mdump","mem" ,"mdump [adr [size]]" ,main_mdump); |
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575 | shell_add_cmd ("wdump","mem" ,"wdump [adr [size]]" ,main_mwdump); |
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576 | shell_add_cmd ("medit","mem" ,"medit adr value [value ...]" ,main_medit); |
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577 | shell_add_cmd ("mfill","mem" ,"mfill adr size value" ,main_mfill); |
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578 | shell_add_cmd ("mmove","mem" ,"mmove dst src size" ,main_mmove); |
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579 | #ifdef MALLOC_STATS /* /rtems/s/src/lib/libc/malloc.c */ |
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580 | shell_add_cmd ("malloc","mem","mem show memory malloc'ed" ,main_mem); |
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581 | #endif |
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582 | } |
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583 | /*-----------------------------------------------------------*/ |
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