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Rev | Author | Line No. | Line |
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1200 | giacomo | 1 | #include <kernel/kern.h> |
1199 | giacomo | 2 | #include <stdlib.h> |
3 | #include <string.h> |
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4 | #include <stdio.h> |
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5 | #include "parser.h" |
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6 | |||
7 | #define PAR_TOTAL_EXEC_TIME 0 |
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8 | #define PAR_TIME 2 |
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9 | #define PAR_ACT_TYPE 3 |
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10 | #define PAR_TASK_NUMBER 4 |
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11 | #define PAR_EXEC_TYPE 5 |
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12 | #define PAR_TASK_TYPE 6 |
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13 | #define PAR_NOTHING 8 |
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14 | #define PAR_ERROR 10 |
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15 | #define PAR_FOUND 11 |
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16 | |||
17 | #define PAR_EXEC_CONST 12 |
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18 | #define PAR_EXEC_MEAN 13 |
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19 | #define PAR_EXEC_EXP 14 |
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20 | #define PAR_EXEC_EXP_MAX 15 |
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21 | |||
22 | #define PAR_ACT_SINGLE 16 |
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23 | #define PAR_ACT_PERIODIC 17 |
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24 | #define PAR_ACT_MEAN 18 |
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25 | #define PAR_ACT_EXP 19 |
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26 | #define PAR_ACT_EXP_MAX 20 |
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27 | |||
28 | #define PAR_TASK_NRT 21 |
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29 | #define PAR_TASK_HARD 22 |
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30 | #define PAR_TASK_SOFT 23 |
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31 | |||
32 | #define PARSER_DEBUG |
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33 | |||
34 | static int find_break(char **buf, int find_type, struct timespec *time, int *val) |
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35 | { |
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36 | |||
37 | int i; |
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38 | char str[20]; |
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39 | |||
40 | i = 0; |
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41 | while (((char *)(*buf))[i] == ' ' || ((char *)(*buf))[i] == ':') i++; |
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42 | *buf += i; |
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43 | |||
44 | switch (find_type) { |
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1200 | giacomo | 45 | |
46 | case PAR_NOTHING: |
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47 | if (((char *)(*buf))[0] == '#' || |
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48 | ((char *)(*buf))[0] == ';' || |
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49 | ((char *)(*buf))[0] == 0 || |
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50 | ((char *)(*buf))[0] == '\n') return PAR_FOUND; |
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51 | break; |
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1199 | giacomo | 52 | |
53 | case PAR_TOTAL_EXEC_TIME: |
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54 | if (!strncmp(*buf, "TOTAL_EXEC_TIME:",16)) { |
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55 | *buf += 16; |
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56 | return PAR_FOUND; |
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57 | } |
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58 | break; |
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59 | |||
60 | case PAR_TIME: |
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61 | if (((char *)(*buf))[0] != '[') return PAR_ERROR; |
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62 | *buf += 1; |
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63 | i = 0; |
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64 | while (((char *)(*buf))[i] >= '0' && ((char *)(*buf))[i] <= '9') { |
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65 | str[i] = ((char *)(*buf))[i]; |
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66 | i++; |
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67 | } |
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68 | if (((char *)(*buf))[i] != ']') return PAR_ERROR; |
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69 | str[i] = 0; |
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70 | time->tv_sec = atoi(str); |
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71 | i += 2; |
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72 | *buf += i; |
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73 | i = 0; |
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74 | while (((char *)(*buf))[i] >= '0' && ((char *)(*buf))[i] <= '9') { |
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75 | str[i] = ((char *)(*buf))[i]; |
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76 | i++; |
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77 | } |
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78 | if (((char *)(*buf))[i] != ']') return PAR_ERROR; |
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79 | str[i] = 0; |
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80 | time->tv_nsec = atoi(str) * 1000; |
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81 | i += 2; |
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82 | *buf += i; |
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83 | return PAR_FOUND; |
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84 | break; |
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85 | |||
86 | case PAR_TASK_TYPE: |
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87 | if (!strncmp(*buf, "NRT:",4)) { |
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88 | *val = PAR_TASK_NRT; |
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89 | *buf += 4; |
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90 | return PAR_FOUND; |
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91 | } |
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92 | if (!strncmp(*buf, "HARD:",5)) { |
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93 | *val = PAR_TASK_HARD; |
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94 | *buf += 5; |
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95 | return PAR_FOUND; |
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96 | } |
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97 | if (!strncmp(*buf, "SOFT:",5)) { |
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98 | *val = PAR_TASK_SOFT; |
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99 | *buf += 5; |
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100 | return PAR_FOUND; |
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101 | } |
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102 | break; |
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103 | |||
104 | case PAR_TASK_NUMBER: |
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105 | if (((char *)(*buf))[0] != '[') return PAR_ERROR; |
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106 | *buf += 1; |
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107 | i = 0; |
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108 | while (((char *)(*buf))[i] >= '0' && ((char *)(*buf))[i] <= '9') { |
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109 | str[i] = ((char *)(*buf))[i]; |
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110 | i++; |
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111 | } |
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112 | if (((char *)(*buf))[i] != ']') return PAR_ERROR; |
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113 | str[i] = 0; |
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114 | *val = atoi(str); |
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115 | i += 2; |
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116 | *buf += i; |
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117 | return PAR_FOUND; |
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118 | break; |
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119 | |||
120 | case PAR_ACT_TYPE: |
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121 | if (!strncmp(*buf,"ACT_SINGLE(",11)) { |
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122 | *buf += 11; |
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123 | *val = PAR_ACT_SINGLE; |
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124 | return PAR_FOUND; |
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125 | } |
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126 | if (!strncmp(*buf,"ACT_PERIODIC(",13)) { |
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127 | *buf += 13; |
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128 | *val = PAR_ACT_PERIODIC; |
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129 | return PAR_FOUND; |
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130 | } |
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131 | if (!strncmp(*buf,"ACT_MEAN(",9)) { |
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132 | *buf += 9; |
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133 | *val = PAR_ACT_MEAN; |
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134 | return PAR_FOUND; |
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135 | } |
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136 | if (!strncmp(*buf,"ACT_EXP(",8)) { |
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137 | *buf += 8; |
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138 | *val = PAR_ACT_EXP; |
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139 | return PAR_FOUND;; |
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140 | } |
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141 | if (!strncmp(*buf,"ACT_EXP_MAX(",12)) { |
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142 | *buf += 12; |
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143 | *val = PAR_ACT_EXP_MAX; |
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144 | return PAR_FOUND; |
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145 | } |
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146 | return PAR_ERROR; |
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147 | break; |
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148 | |||
149 | case PAR_EXEC_TYPE: |
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150 | if (!strncmp(*buf,"EXEC_CONST(",11)) { |
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151 | *buf += 11; |
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152 | *val = PAR_EXEC_CONST; |
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153 | return PAR_FOUND; |
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154 | } |
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155 | if (!strncmp(*buf,"EXEC_MEAN(",10)) { |
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156 | *buf += 10; |
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157 | *val = PAR_EXEC_MEAN; |
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158 | return PAR_FOUND; |
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159 | } |
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160 | if (!strncmp(*buf,"EXEC_EXP(",9)) { |
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161 | *buf += 9; |
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162 | *val = PAR_EXEC_EXP; |
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163 | return PAR_FOUND; |
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164 | } |
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165 | if (!strncmp(*buf,"EXEC_EXP_MAX(",13)) { |
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166 | *buf += 13; |
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167 | *val = PAR_EXEC_EXP_MAX; |
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168 | return PAR_FOUND; |
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169 | } |
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170 | return PAR_ERROR; |
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171 | break; |
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172 | |||
173 | } |
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174 | |||
175 | return PAR_ERROR; |
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176 | |||
177 | } |
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178 | |||
179 | void par_error(int line_num) |
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180 | { |
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181 | |||
182 | cprintf("\nParser error: line [%d]\n",line_num); |
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1200 | giacomo | 183 | sys_end(); |
1199 | giacomo | 184 | |
185 | } |
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186 | |||
1200 | giacomo | 187 | /* result: |
188 | * 0 -> nothing |
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189 | * 1 -> total |
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190 | * 2 -> new task-loader |
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191 | */ |
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192 | int line_parser(char *buf, int line_num, struct timespec *total, struct loader_task *last) |
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1199 | giacomo | 193 | { |
194 | char *pbuf = buf; |
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1200 | giacomo | 195 | struct timespec time; |
196 | struct loader_task *ld = NULL; |
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1199 | giacomo | 197 | int val, res; |
198 | |||
1200 | giacomo | 199 | res = find_break(&pbuf, PAR_NOTHING, &time, &val); |
200 | if (res == PAR_FOUND) return 0; |
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201 | |||
1199 | giacomo | 202 | res = find_break(&pbuf,PAR_TOTAL_EXEC_TIME, &time, &val); |
203 | if (res == PAR_FOUND) { |
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1200 | giacomo | 204 | NULL_TIMESPEC(total); |
1199 | giacomo | 205 | res = find_break(&pbuf, PAR_TIME, &time, &val); |
206 | if (res == PAR_FOUND) { |
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1200 | giacomo | 207 | TIMESPEC_ASSIGN(total,&time); |
1199 | giacomo | 208 | #ifdef PARSER_DEBUG |
1200 | giacomo | 209 | cprintf("TOTAL EXEC TIME SEC = %ld NSEC = %ld\n",total->tv_sec,total->tv_nsec); |
1199 | giacomo | 210 | #endif |
1200 | giacomo | 211 | return 1; |
212 | } else par_error(line_num); |
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1199 | giacomo | 213 | } |
214 | |||
215 | res = find_break(&pbuf,PAR_TASK_TYPE, &time, &val); |
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216 | if (res == PAR_FOUND) { |
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217 | #ifdef PARSER_DEBUG |
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218 | cprintf("TASK TYPE = %d\n",val); |
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219 | #endif |
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220 | |||
1200 | giacomo | 221 | ld = malloc(sizeof(struct loader_task)); |
222 | if (ld == NULL) par_error(line_num); |
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223 | |||
224 | ld->next = NULL; |
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225 | last = ld; |
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226 | |||
227 | ld->task_type = val; |
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228 | |||
229 | } else par_error(line_num); |
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230 | |||
1199 | giacomo | 231 | res = find_break(&pbuf,PAR_TASK_NUMBER, &time, &val); |
232 | if (res == PAR_FOUND) { |
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233 | #ifdef PARSER_DEBUG |
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234 | cprintf("TASK LEVEL = %d\n",val); |
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235 | #endif |
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236 | |||
1200 | giacomo | 237 | ld->task_level = val; |
238 | |||
239 | } else par_error(line_num); |
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240 | |||
1199 | giacomo | 241 | res = find_break(&pbuf,PAR_TASK_NUMBER, &time, &val); |
242 | if (res == PAR_FOUND) { |
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243 | #ifdef PARSER_DEBUG |
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244 | cprintf("TASK NUMBER = %d\n",val); |
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245 | #endif |
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246 | |||
1200 | giacomo | 247 | ld->number = val; |
248 | |||
249 | } else par_error(line_num); |
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250 | |||
1199 | giacomo | 251 | res = find_break(&pbuf,PAR_ACT_TYPE, &time, &val); |
252 | if (res == PAR_FOUND) { |
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253 | #ifdef PARSER_DEBUG |
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254 | cprintf("ACTIVATION TYPE: %d (",val); |
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255 | #endif |
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1200 | giacomo | 256 | |
257 | ld->act_type = val; |
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1199 | giacomo | 258 | |
259 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
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260 | if (res == PAR_FOUND) { |
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261 | #ifdef PARSER_DEBUG |
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262 | cprintf("[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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263 | #endif |
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1200 | giacomo | 264 | TIMESPEC_ASSIGN(&ld->act_par_1,&time); |
265 | } else par_error(line_num); |
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1199 | giacomo | 266 | |
1200 | giacomo | 267 | if (ld->act_type != PAR_ACT_SINGLE) { |
1199 | giacomo | 268 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
269 | if (res == PAR_FOUND) { |
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270 | #ifdef PARSER_DEBUG |
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271 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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272 | #endif |
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1200 | giacomo | 273 | TIMESPEC_ASSIGN(&ld->act_par_2,&time); |
274 | } else par_error(line_num); |
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1199 | giacomo | 275 | } |
276 | |||
1200 | giacomo | 277 | if (ld->act_type != PAR_ACT_SINGLE && ld->act_type != PAR_ACT_PERIODIC) { |
1199 | giacomo | 278 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
279 | if (res == PAR_FOUND) { |
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280 | #ifdef PARSER_DEBUG |
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281 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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282 | #endif |
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1200 | giacomo | 283 | TIMESPEC_ASSIGN(&ld->act_par_3,&time); |
284 | } else par_error(line_num); |
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1199 | giacomo | 285 | } |
286 | |||
1200 | giacomo | 287 | if (ld->act_type != PAR_ACT_SINGLE && ld->act_type != PAR_ACT_PERIODIC && |
288 | ld->act_type != PAR_ACT_MEAN && ld->act_type != PAR_ACT_EXP) { |
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1199 | giacomo | 289 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
290 | if (res == PAR_FOUND) { |
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291 | #ifdef PARSER_DEBUG |
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292 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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293 | #endif |
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1200 | giacomo | 294 | TIMESPEC_ASSIGN(&ld->act_par_4,&time); |
295 | } else par_error(line_num); |
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1199 | giacomo | 296 | } |
297 | |||
298 | #ifdef PARSER_DEBUG |
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299 | cprintf(")\n"); |
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300 | #endif |
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301 | |||
1200 | giacomo | 302 | } else par_error(line_num); |
1199 | giacomo | 303 | |
304 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
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305 | if (res == PAR_FOUND) { |
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306 | #ifdef PARSER_DEBUG |
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307 | cprintf("WCET: [%ld][%ld]\n",time.tv_sec,time.tv_nsec/1000); |
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308 | #endif |
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1200 | giacomo | 309 | TIMESPEC_ASSIGN(&ld->wcet,&time); |
310 | } else par_error(line_num); |
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1199 | giacomo | 311 | |
312 | res = find_break(&pbuf,PAR_EXEC_TYPE, &time, &val); |
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313 | if (res == PAR_FOUND) { |
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314 | #ifdef PARSER_DEBUG |
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315 | cprintf("EXEC TYPE: %d (",val); |
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316 | #endif |
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1200 | giacomo | 317 | ld->exec_type = val; |
1199 | giacomo | 318 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
319 | if (res == PAR_FOUND) { |
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320 | #ifdef PARSER_DEBUG |
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321 | cprintf("[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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322 | #endif |
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1200 | giacomo | 323 | TIMESPEC_ASSIGN(&ld->exec_par_1,&time); |
324 | } else par_error(line_num); |
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1199 | giacomo | 325 | |
1200 | giacomo | 326 | if (ld->exec_type != PAR_EXEC_CONST) { |
1199 | giacomo | 327 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
328 | if (res == PAR_FOUND) { |
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329 | #ifdef PARSER_DEBUG |
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330 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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331 | #endif |
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1200 | giacomo | 332 | TIMESPEC_ASSIGN(&ld->exec_par_2,&time); |
333 | } else par_error(line_num); |
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1199 | giacomo | 334 | } |
335 | |||
1200 | giacomo | 336 | if (ld->exec_type != PAR_EXEC_CONST && ld->exec_type != PAR_EXEC_MEAN && |
337 | ld->exec_type != PAR_EXEC_EXP) { |
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1199 | giacomo | 338 | res = find_break(&pbuf,PAR_TIME, &time, &val); |
339 | if (res == PAR_FOUND) { |
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340 | #ifdef PARSER_DEBUG |
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341 | cprintf(",[%ld][%ld]",time.tv_sec,time.tv_nsec/1000); |
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342 | #endif |
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1200 | giacomo | 343 | TIMESPEC_ASSIGN(&ld->exec_par_3,&time); |
344 | } else par_error(line_num); |
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1199 | giacomo | 345 | } |
346 | |||
347 | #ifdef PARSER_DEBUG |
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348 | cprintf(")\n"); |
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349 | #endif |
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350 | |||
1200 | giacomo | 351 | } else par_error(line_num); |
1199 | giacomo | 352 | |
1200 | giacomo | 353 | return 2; |
1199 | giacomo | 354 | |
355 | } |
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1200 | giacomo | 356 |