1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup test_bdbuf |
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5 | * |
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6 | * @brief Bdbuf test. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2009 |
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11 | * embedded brains GmbH |
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12 | * Obere Lagerstr. 30 |
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13 | * D-82178 Puchheim |
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14 | * Germany |
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15 | * <rtems@embedded-brains.de> |
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16 | * |
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17 | * The license and distribution terms for this file may be |
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18 | * found in the file LICENSE in this distribution or at |
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19 | * http://www.rtems.com/license/LICENSE. |
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20 | */ |
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21 | |
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22 | #include "tmacros.h" |
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23 | #include <stdarg.h> |
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24 | #include <errno.h> |
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25 | |
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26 | #include <rtems.h> |
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27 | #include <rtems/bdbuf.h> |
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28 | #include <rtems/diskdevs.h> |
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29 | |
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30 | #define ASSERT_SC(sc) rtems_test_assert((sc) == RTEMS_SUCCESSFUL) |
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31 | |
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32 | #define PRIORITY_INIT 1 |
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33 | |
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34 | #define PRIORITY_HIGH 2 |
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35 | |
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36 | #define PRIORITY_LOW_ALT 3 |
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37 | |
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38 | #define PRIORITY_SWAPOUT 4 |
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39 | |
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40 | #define PRIORITY_LOW 5 |
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41 | |
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42 | #define PRIORITY_RESUME 6 |
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43 | |
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44 | #define BLOCK_SIZE_A 1 |
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45 | |
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46 | #define BLOCK_COUNT_A 2 |
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47 | |
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48 | #define BLOCK_SIZE_B 2 |
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49 | |
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50 | #define BLOCK_COUNT_B 1 |
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51 | |
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52 | /* In case of trouble change this to 1 or 2 for more output */ |
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53 | static unsigned output_level = 0; |
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54 | |
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55 | static dev_t dev_a; |
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56 | |
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57 | static dev_t dev_b; |
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58 | |
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59 | static rtems_id task_id_init; |
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60 | |
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61 | static rtems_id task_id_low; |
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62 | |
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63 | static rtems_id task_id_high; |
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64 | |
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65 | static rtems_id task_id_resume; |
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66 | |
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67 | static volatile bool finish_low; |
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68 | |
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69 | static volatile bool finish_high; |
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70 | |
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71 | static volatile enum resume_style { |
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72 | RESUME_IMMEDIATE, |
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73 | RESUME_FINISH |
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74 | } resume; |
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75 | |
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76 | static volatile enum trig_style { |
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77 | SUSP = 0, |
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78 | CONT |
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79 | } trig; |
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80 | |
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81 | static volatile enum get_type { |
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82 | GET = 0, |
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83 | READ |
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84 | } trig_get, low_get, high_get; |
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85 | |
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86 | static volatile enum blk_kind { |
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87 | BLK_A0 = 0, |
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88 | BLK_A1, |
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89 | BLK_B0 |
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90 | } trig_blk, low_blk, high_blk; |
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91 | |
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92 | static volatile enum rel_type { |
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93 | REL = 0, |
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94 | REL_MOD, |
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95 | SYNC |
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96 | } trig_rel, low_rel, high_rel; |
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97 | |
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98 | static const char trig_style_desc [] = { |
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99 | 'S', |
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100 | 'C' |
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101 | }; |
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102 | |
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103 | static const char get_type_desc [] = { |
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104 | 'G', |
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105 | 'R' |
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106 | }; |
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107 | |
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108 | static const char *blk_kind_desc [] = { |
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109 | "A0", |
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110 | "A1", |
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111 | "B0" |
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112 | }; |
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113 | |
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114 | static const char rel_type_desc [] = { |
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115 | 'R', |
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116 | 'M', |
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117 | 'S' |
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118 | }; |
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119 | |
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120 | static void print(unsigned level, const char *fmt, ...) |
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121 | { |
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122 | if (level <= output_level) { |
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123 | va_list ap; |
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124 | |
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125 | va_start(ap, fmt); |
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126 | vprintk(fmt, ap); |
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127 | va_end(ap); |
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128 | } |
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129 | } |
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130 | |
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131 | static void set_task_prio(rtems_id task, rtems_task_priority prio) |
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132 | { |
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133 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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134 | rtems_task_priority cur = 0; |
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135 | |
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136 | sc = rtems_task_set_priority(task, prio, &cur); |
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137 | ASSERT_SC(sc); |
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138 | } |
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139 | |
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140 | static rtems_bdbuf_buffer *get(enum get_type type, enum blk_kind kind) |
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141 | { |
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142 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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143 | rtems_bdbuf_buffer *bd = NULL; |
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144 | rtems_blkdev_bnum blk_index = 0; |
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145 | rtems_status_code (*get_bd)(dev_t, rtems_blkdev_bnum, rtems_bdbuf_buffer **) |
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146 | = NULL; |
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147 | dev_t dev = 0; |
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148 | size_t bds_per_group = 0; |
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149 | |
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150 | switch (kind) { |
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151 | case BLK_A0: |
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152 | dev = dev_a; |
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153 | blk_index = 0; |
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154 | bds_per_group = 2; |
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155 | break; |
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156 | case BLK_A1: |
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157 | dev = dev_a; |
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158 | blk_index = 1; |
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159 | bds_per_group = 2; |
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160 | break; |
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161 | case BLK_B0: |
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162 | dev = dev_b; |
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163 | blk_index = 0; |
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164 | bds_per_group = 1; |
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165 | break; |
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166 | default: |
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167 | rtems_test_assert(false); |
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168 | break; |
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169 | } |
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170 | |
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171 | switch (type) { |
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172 | case GET: |
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173 | get_bd = rtems_bdbuf_get; |
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174 | break; |
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175 | case READ: |
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176 | get_bd = rtems_bdbuf_read; |
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177 | break; |
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178 | default: |
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179 | rtems_test_assert(false); |
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180 | break; |
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181 | } |
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182 | |
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183 | sc = (*get_bd)(dev, blk_index, &bd); |
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184 | rtems_test_assert( |
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185 | sc == RTEMS_SUCCESSFUL |
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186 | && bd->dev == dev |
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187 | && bd->block == blk_index |
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188 | && bd->group->bds_per_group == bds_per_group |
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189 | ); |
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190 | |
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191 | return bd; |
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192 | } |
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193 | |
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194 | static void rel(rtems_bdbuf_buffer *bd, enum rel_type type) |
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195 | { |
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196 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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197 | rtems_status_code (*rel_bd)(rtems_bdbuf_buffer *) = NULL; |
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198 | |
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199 | switch (type) { |
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200 | case REL: |
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201 | rel_bd = rtems_bdbuf_release; |
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202 | break; |
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203 | case REL_MOD: |
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204 | rel_bd = rtems_bdbuf_release_modified; |
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205 | break; |
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206 | case SYNC: |
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207 | rel_bd = rtems_bdbuf_sync; |
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208 | break; |
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209 | default: |
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210 | rtems_test_assert(false); |
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211 | break; |
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212 | } |
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213 | |
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214 | sc = (*rel_bd)(bd); |
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215 | ASSERT_SC(sc); |
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216 | } |
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217 | |
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218 | static void task_low(rtems_task_argument arg) |
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219 | { |
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220 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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221 | |
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222 | while (true) { |
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223 | print(2, "LG\n"); |
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224 | rtems_bdbuf_buffer *bd = get(low_get, low_blk); |
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225 | |
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226 | print(2, "LR\n"); |
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227 | rel(bd, low_rel); |
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228 | |
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229 | finish_low = true; |
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230 | |
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231 | sc = rtems_task_suspend(RTEMS_SELF); |
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232 | ASSERT_SC(sc); |
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233 | } |
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234 | } |
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235 | |
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236 | static void task_high(rtems_task_argument arg) |
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237 | { |
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238 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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239 | |
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240 | while (true) { |
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241 | print(2, "HG\n"); |
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242 | rtems_bdbuf_buffer *bd = get(high_get, high_blk); |
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243 | |
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244 | print(2, "HR\n"); |
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245 | rel(bd, high_rel); |
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246 | |
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247 | finish_high = true; |
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248 | |
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249 | sc = rtems_task_suspend(RTEMS_SELF); |
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250 | ASSERT_SC(sc); |
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251 | } |
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252 | } |
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253 | |
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254 | static void task_resume(rtems_task_argument arg) |
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255 | { |
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256 | while (true) { |
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257 | bool do_resume = false; |
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258 | |
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259 | switch (resume) { |
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260 | case RESUME_IMMEDIATE: |
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261 | print(2, "RI\n"); |
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262 | do_resume = true; |
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263 | break; |
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264 | case RESUME_FINISH: |
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265 | print(2, "RF\n"); |
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266 | do_resume = finish_low && finish_high; |
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267 | break; |
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268 | default: |
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269 | rtems_test_assert(false); |
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270 | break; |
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271 | } |
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272 | |
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273 | if (do_resume) { |
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274 | rtems_task_resume(task_id_init); |
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275 | } |
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276 | } |
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277 | } |
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278 | |
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279 | static void execute_test(unsigned i) |
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280 | { |
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281 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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282 | rtems_bdbuf_buffer *bd = NULL; |
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283 | bool suspend = false; |
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284 | |
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285 | print( |
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286 | 1, |
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287 | "[%05u]T(%c,%c,%s,%c)L(%c,%s,%c)H(%c,%s,%c)\n", |
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288 | i, |
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289 | trig_style_desc [trig], |
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290 | get_type_desc [trig_get], |
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291 | blk_kind_desc [trig_blk], |
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292 | rel_type_desc [trig_rel], |
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293 | get_type_desc [low_get], |
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294 | blk_kind_desc [low_blk], |
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295 | rel_type_desc [low_rel], |
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296 | get_type_desc [high_get], |
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297 | blk_kind_desc [high_blk], |
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298 | rel_type_desc [high_rel] |
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299 | ); |
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300 | |
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301 | set_task_prio(task_id_low, PRIORITY_LOW); |
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302 | |
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303 | finish_low = false; |
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304 | finish_high = false; |
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305 | |
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306 | sc = rtems_task_resume(task_id_low); |
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307 | ASSERT_SC(sc); |
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308 | |
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309 | sc = rtems_task_resume(task_id_high); |
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310 | ASSERT_SC(sc); |
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311 | |
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312 | sc = rtems_bdbuf_get(dev_b, 0, &bd); |
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313 | rtems_test_assert(sc == RTEMS_SUCCESSFUL && bd->dev == dev_b && bd->block == 0); |
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314 | |
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315 | sc = rtems_bdbuf_release(bd); |
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316 | ASSERT_SC(sc); |
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317 | |
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318 | switch (trig) { |
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319 | case SUSP: |
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320 | suspend = true; |
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321 | break; |
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322 | case CONT: |
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323 | suspend = false; |
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324 | break; |
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325 | default: |
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326 | rtems_test_assert(false); |
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327 | break; |
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328 | } |
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329 | |
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330 | print(2, "TG\n"); |
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331 | bd = get(trig_get, trig_blk); |
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332 | |
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333 | if (suspend) { |
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334 | print(2, "S\n"); |
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335 | resume = RESUME_IMMEDIATE; |
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336 | sc = rtems_task_suspend(RTEMS_SELF); |
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337 | ASSERT_SC(sc); |
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338 | } |
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339 | resume = RESUME_FINISH; |
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340 | |
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341 | print(2, "TR\n"); |
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342 | rel(bd, trig_rel); |
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343 | |
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344 | sc = rtems_task_suspend(RTEMS_SELF); |
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345 | ASSERT_SC(sc); |
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346 | |
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347 | print(2, "F\n"); |
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348 | |
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349 | sc = rtems_bdbuf_syncdev(dev_a); |
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350 | ASSERT_SC(sc); |
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351 | |
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352 | sc = rtems_bdbuf_syncdev(dev_b); |
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353 | ASSERT_SC(sc); |
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354 | } |
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355 | |
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356 | static const rtems_driver_address_table disk_ops = { |
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357 | .initialization_entry = NULL, |
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358 | RTEMS_GENERIC_BLOCK_DEVICE_DRIVER_ENTRIES |
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359 | }; |
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360 | |
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361 | static int disk_ioctl(rtems_disk_device *dd, uint32_t req, void *argp) |
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362 | { |
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363 | if (req == RTEMS_BLKIO_REQUEST) { |
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364 | rtems_blkdev_request *r = argp; |
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365 | |
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366 | set_task_prio(task_id_low, PRIORITY_LOW_ALT); |
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367 | |
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368 | switch (r->req) { |
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369 | case RTEMS_BLKDEV_REQ_READ: |
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370 | case RTEMS_BLKDEV_REQ_WRITE: |
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371 | r->req_done(r->done_arg, RTEMS_SUCCESSFUL); |
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372 | return 0; |
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373 | default: |
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374 | errno = EINVAL; |
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375 | return -1; |
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376 | } |
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377 | } else { |
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378 | return rtems_blkdev_ioctl(dd, req, argp); |
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379 | } |
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380 | } |
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381 | |
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382 | rtems_status_code disk_register( |
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383 | uint32_t block_size, |
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384 | rtems_blkdev_bnum block_count, |
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385 | dev_t *dev_ptr |
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386 | ) |
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387 | { |
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388 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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389 | rtems_device_major_number major = 0; |
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390 | dev_t dev = 0; |
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391 | |
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392 | sc = rtems_io_register_driver(0, &disk_ops, &major); |
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393 | ASSERT_SC(sc); |
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394 | |
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395 | dev = rtems_filesystem_make_dev_t(major, 0); |
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396 | |
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397 | sc = rtems_disk_create_phys( |
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398 | dev, |
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399 | block_size, |
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400 | block_count, |
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401 | disk_ioctl, |
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402 | NULL, |
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403 | NULL |
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404 | ); |
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405 | ASSERT_SC(sc); |
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406 | |
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407 | *dev_ptr = dev; |
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408 | |
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409 | return RTEMS_SUCCESSFUL; |
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410 | } |
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411 | |
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412 | static rtems_task Init(rtems_task_argument argument) |
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413 | { |
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414 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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415 | unsigned i = 0; |
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416 | |
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417 | printk("\n\n*** TEST BLOCK 5 ***\n"); |
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418 | |
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419 | task_id_init = rtems_task_self(); |
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420 | |
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421 | sc = rtems_disk_io_initialize(); |
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422 | ASSERT_SC(sc); |
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423 | |
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424 | sc = disk_register(BLOCK_SIZE_A, BLOCK_COUNT_A, &dev_a); |
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425 | ASSERT_SC(sc); |
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426 | |
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427 | sc = disk_register(BLOCK_SIZE_B, BLOCK_COUNT_B, &dev_b); |
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428 | ASSERT_SC(sc); |
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429 | |
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430 | sc = rtems_task_create( |
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431 | rtems_build_name(' ', 'L', 'O', 'W'), |
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432 | PRIORITY_LOW, |
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433 | 0, |
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434 | RTEMS_DEFAULT_MODES, |
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435 | RTEMS_DEFAULT_ATTRIBUTES, |
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436 | &task_id_low |
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437 | ); |
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438 | ASSERT_SC(sc); |
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439 | |
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440 | sc = rtems_task_start(task_id_low, task_low, 0); |
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441 | ASSERT_SC(sc); |
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442 | |
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443 | sc = rtems_task_create( |
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444 | rtems_build_name('H', 'I', 'G', 'H'), |
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445 | PRIORITY_HIGH, |
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446 | 0, |
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447 | RTEMS_DEFAULT_MODES, |
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448 | RTEMS_DEFAULT_ATTRIBUTES, |
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449 | &task_id_high |
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450 | ); |
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451 | ASSERT_SC(sc); |
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452 | |
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453 | sc = rtems_task_start(task_id_high, task_high, 0); |
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454 | ASSERT_SC(sc); |
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455 | |
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456 | sc = rtems_task_create( |
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457 | rtems_build_name('R', 'E', 'S', 'U'), |
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458 | PRIORITY_RESUME, |
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459 | 0, |
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460 | RTEMS_DEFAULT_MODES, |
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461 | RTEMS_DEFAULT_ATTRIBUTES, |
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462 | &task_id_resume |
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463 | ); |
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464 | ASSERT_SC(sc); |
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465 | |
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466 | sc = rtems_task_start(task_id_resume, task_resume, 0); |
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467 | ASSERT_SC(sc); |
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468 | |
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469 | sc = rtems_task_suspend(task_id_low); |
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470 | ASSERT_SC(sc); |
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471 | |
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472 | sc = rtems_task_suspend(task_id_high); |
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473 | ASSERT_SC(sc); |
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474 | |
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475 | for (trig = SUSP; trig <= CONT; ++trig) { |
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476 | for (trig_get = GET; trig_get <= READ; ++trig_get) { |
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477 | for (low_get = GET; low_get <= READ; ++low_get) { |
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478 | for (high_get = GET; high_get <= READ; ++high_get) { |
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479 | for (trig_blk = BLK_A0; trig_blk <= BLK_B0; ++trig_blk) { |
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480 | for (low_blk = BLK_A0; low_blk <= BLK_B0; ++low_blk) { |
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481 | for (high_blk = BLK_A0; high_blk <= BLK_B0; ++high_blk) { |
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482 | for (trig_rel = REL; trig_rel <= SYNC; ++trig_rel) { |
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483 | for (low_rel = REL; low_rel <= SYNC; ++low_rel) { |
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484 | for (high_rel = REL; high_rel <= SYNC; ++high_rel) { |
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485 | execute_test(i); |
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486 | ++i; |
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487 | } |
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488 | } |
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489 | } |
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490 | } |
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491 | } |
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492 | } |
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493 | } |
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494 | } |
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495 | } |
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496 | } |
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497 | |
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498 | printk("*** END OF TEST BLOCK 5 ***\n"); |
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499 | |
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500 | exit(0); |
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501 | } |
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502 | |
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503 | #define CONFIGURE_INIT |
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504 | |
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505 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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506 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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507 | #define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK |
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508 | |
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509 | #define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM |
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510 | |
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511 | #define CONFIGURE_MAXIMUM_TASKS 6 |
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512 | #define CONFIGURE_MAXIMUM_DRIVERS 4 |
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513 | #define CONFIGURE_MAXIMUM_SEMAPHORES 5 |
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514 | |
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515 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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516 | |
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517 | #define CONFIGURE_INIT_TASK_PRIORITY PRIORITY_INIT |
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518 | #define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_DEFAULT_ATTRIBUTES |
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519 | #define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_DEFAULT_MODES |
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520 | |
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521 | #define CONFIGURE_SWAPOUT_TASK_PRIORITY PRIORITY_SWAPOUT |
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522 | |
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523 | #define CONFIGURE_BDBUF_BUFFER_MIN_SIZE BLOCK_SIZE_A |
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524 | #define CONFIGURE_BDBUF_BUFFER_MAX_SIZE BLOCK_SIZE_B |
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525 | #define CONFIGURE_BDBUF_CACHE_MEMORY_SIZE BLOCK_SIZE_B |
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526 | |
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527 | #include <rtems/confdefs.h> |
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