FreeCalypso > hg > freecalypso-sw

annotate loadtools/hwparam.c @ 923:10b4bed10192

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gsm-fw/L1: fix for the DSP patch corruption bug The L1 code we got from the LoCosto fw contains a feature for DSP CPU load measurement. This feature is a LoCosto-ism, i.e., not applicable to earlier DBB chips (Calypso) with their respective earlier DSP ROMs. Most of the code dealing with that feature is conditionalized as #if (DSP >= 38), but one spot was missed, and the MCU code was writing into an API word dealing with this feature. In TCS211 this DSP API word happens to be used by the DSP code patch, hence that write was corrupting the patched DSP code.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Mon, 19 Oct 2015 17:13:56 +0000
parents 1ed2d78f150c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * This module contains the code that reads the hardware parameter files
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3 * specified with -h or -H, and sets variables for later use by other code.
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4 */
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5
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6 #include <sys/param.h>
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7 #include <stdio.h>
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8 #include <ctype.h>
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9 #include <string.h>
17
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10 #include <strings.h>
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11 #include <stdlib.h>
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12
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13 extern char default_helpers_dir[];
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14
413
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15 extern void set_boot_reflash_hack();
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16 extern void set_default_exit_mode();
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17 extern void set_flash_device();
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18
17
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19 char hw_init_script[128];
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20
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21 static void
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22 handle_compal_stage(arg, filename_for_errs, lineno_for_errs)
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23 char *arg;
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24 char *filename_for_errs;
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25 int lineno_for_errs;
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26 {
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27 char *cp;
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28
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29 while (isspace(*arg))
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30 arg++;
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31 if (!*arg) {
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32 fprintf(stderr,
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33 "%s line %d: compal-stage setting requires an argument\n",
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34 filename_for_errs, lineno_for_errs);
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35 exit(1);
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36 }
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37 for (cp = arg; *cp && !isspace(*cp); cp++)
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38 ;
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39 *cp = '\0';
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40 set_compalstage_short(arg);
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41 }
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42
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43 static void
17
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44 handle_init_script(arg, filename_for_errs, lineno_for_errs)
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45 char *arg;
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46 char *filename_for_errs;
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47 int lineno_for_errs;
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48 {
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49 char *cp;
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50
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51 while (isspace(*arg))
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52 arg++;
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53 if (!*arg) {
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54 fprintf(stderr,
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55 "%s line %d: init-script setting requires an argument\n",
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56 filename_for_errs, lineno_for_errs);
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57 exit(1);
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58 }
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59 for (cp = arg; *cp && !isspace(*cp); cp++)
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60 ;
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61 *cp = '\0';
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62 if (cp - arg > sizeof(hw_init_script) - 1) {
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63 fprintf(stderr,
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64 "%s line %d: init-script argument is too long (buffer overflow)\n",
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65 filename_for_errs, lineno_for_errs);
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66 exit(1);
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67 }
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68 strcpy(hw_init_script, arg);
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69 }
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70
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71 static void
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72 handle_pll_config(arg, filename_for_errs, lineno_for_errs)
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73 char *arg;
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74 char *filename_for_errs;
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75 int lineno_for_errs;
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76 {
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77 int mult, div;
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78
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79 while (isspace(*arg))
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80 arg++;
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81 if (!isdigit(*arg)) {
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82 inv: fprintf(stderr, "%s line %d: pll-config argument must be M/N\n",
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83 filename_for_errs, lineno_for_errs);
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84 exit(1);
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85 }
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86 mult = atoi(arg);
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87 arg++;
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88 if (isdigit(*arg))
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89 arg++;
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90 if (*arg++ != '/')
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91 goto inv;
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92 if (!isdigit(*arg))
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93 goto inv;
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94 div = atoi(arg);
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95 arg++;
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96 if (*arg && !isspace(*arg))
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97 goto inv;
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98 if (mult < 0 || mult > 31 || div < 1 || div > 4) {
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99 fprintf(stderr,
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100 "%s line %d: pll-config argument is out of range\n",
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101 filename_for_errs, lineno_for_errs);
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102 exit(1);
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103 }
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104 set_romload_pll_conf((mult << 2) | (div - 1));
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105 }
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106
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107 static void
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108 handle_rhea_cntl(arg, filename_for_errs, lineno_for_errs)
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109 char *arg;
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110 char *filename_for_errs;
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111 int lineno_for_errs;
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112 {
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113 int byte;
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114
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115 while (isspace(*arg))
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116 arg++;
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117 if (arg[0] == '0' && (arg[1] == 'x' || arg[1] == 'X'))
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118 arg += 2;
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119 byte = decode_hex_byte(arg);
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120 if (byte < 0 || arg[2] && !isspace(arg[2])) {
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121 fprintf(stderr,
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122 "%s line %d: rhea-cntl argument must be a hex byte value\n",
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123 filename_for_errs, lineno_for_errs);
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124 exit(1);
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125 }
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126 set_romload_rhea_cntl(byte);
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127 }
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128
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129 static struct cmdtab {
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130 char *name;
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131 void (*func)();
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132 } cmdtab[] = {
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133 {"boot-reflash-hack", set_boot_reflash_hack},
382
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134 {"compal-stage", handle_compal_stage},
28
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135 {"exit-mode", set_default_exit_mode},
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136 {"flash", set_flash_device},
17
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137 {"init-script", handle_init_script},
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138 {"pll-config", handle_pll_config},
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139 {"rhea-cntl", handle_rhea_cntl},
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140 {0, 0}
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141 };
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142
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143 void
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144 read_hwparam_file_fullpath(filename)
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145 char *filename;
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146 {
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147 FILE *f;
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148 char linebuf[512];
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149 int lineno;
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150 char *cp, *np;
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151 struct cmdtab *tp;
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152
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153 f = fopen(filename, "r");
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154 if (!f) {
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155 perror(filename);
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156 exit(1);
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157 }
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158 for (lineno = 1; fgets(linebuf, sizeof linebuf, f); lineno++) {
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159 for (cp = linebuf; isspace(*cp); cp++)
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160 ;
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161 if (!*cp || *cp == '#')
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162 continue;
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163 for (np = cp; *cp && !isspace(*cp); cp++)
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164 ;
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165 if (*cp)
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166 *cp++ = '\0';
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167 for (tp = cmdtab; tp->name; tp++)
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168 if (!strcmp(tp->name, np))
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169 break;
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170 if (tp->func)
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171 tp->func(cp, filename, lineno);
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172 else {
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173 fprintf(stderr,
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174 "%s line %d: setting \"%s\" not understood\n",
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175 filename, lineno, np);
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176 exit(1);
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177 }
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178 }
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parents:
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179 fclose(f);
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180 }
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parents:
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181
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182 void
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parents:
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183 read_hwparam_file_shortname(confname)
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parents:
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184 char *confname;
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parents:
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185 {
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parents:
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186 char pathname[MAXPATHLEN];
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parents:
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187
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188 sprintf(pathname, "%s/%s.config", default_helpers_dir, confname);
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189 read_hwparam_file_fullpath(pathname);
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parents:
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190 }