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) 2009-2012 embedded brains GmbH. All rights reserved. |
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11 | * |
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12 | * embedded brains GmbH |
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13 | * Obere Lagerstr. 30 |
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14 | * 82178 Puchheim |
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15 | * Germany |
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16 | * <rtems@embedded-brains.de> |
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17 | * |
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18 | * The license and distribution terms for this file may be |
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19 | * found in the file LICENSE in this distribution or at |
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20 | * http://www.rtems.org/license/LICENSE. |
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21 | */ |
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22 | |
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23 | #ifdef HAVE_CONFIG_H |
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24 | #include "config.h" |
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25 | #endif |
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26 | |
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27 | #include "tmacros.h" |
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28 | |
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29 | #include <rtems.h> |
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30 | #include <rtems/bspIo.h> |
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31 | #include <rtems/ramdisk.h> |
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32 | #include <rtems/bdbuf.h> |
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33 | #include <rtems/diskdevs.h> |
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34 | |
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35 | const char rtems_test_name[] = "BLOCK 3"; |
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36 | |
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37 | /* forward declarations to avoid warnings */ |
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38 | static rtems_task Init(rtems_task_argument argument); |
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39 | |
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40 | #define ASSERT_SC(sc) rtems_test_assert((sc) == RTEMS_SUCCESSFUL) |
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41 | |
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42 | #define PRIORITY_INIT 10 |
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43 | |
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44 | #define PRIORITY_SWAPOUT 50 |
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45 | |
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46 | #define PRIORITY_HIGH 30 |
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47 | |
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48 | #define PRIORITY_LOW 40 |
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49 | |
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50 | #define BLOCK_SIZE 512 |
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51 | |
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52 | #define BLOCK_COUNT 2 |
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53 | |
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54 | static rtems_disk_device *dd; |
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55 | |
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56 | static volatile bool sync_done = false; |
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57 | |
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58 | static rtems_id task_id_low; |
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59 | |
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60 | static rtems_id task_id_high; |
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61 | |
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62 | static void task_low(rtems_task_argument arg) |
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63 | { |
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64 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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65 | rtems_bdbuf_buffer *bd = NULL; |
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66 | |
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67 | rtems_test_assert(!sync_done); |
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68 | |
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69 | printk("L: try access: 0\n"); |
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70 | |
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71 | sc = rtems_bdbuf_get(dd, 0, &bd); |
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72 | ASSERT_SC(sc); |
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73 | |
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74 | rtems_test_assert(sync_done); |
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75 | |
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76 | printk("L: access: 0\n"); |
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77 | |
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78 | rtems_test_assert(bd->block == 0); |
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79 | |
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80 | TEST_END(); |
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81 | |
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82 | exit(0); |
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83 | } |
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84 | |
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85 | static void task_high(rtems_task_argument arg) |
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86 | { |
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87 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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88 | rtems_bdbuf_buffer *bd = NULL; |
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89 | |
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90 | rtems_test_assert(!sync_done); |
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91 | |
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92 | printk("H: try access: 0\n"); |
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93 | |
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94 | sc = rtems_bdbuf_get(dd, 0, &bd); |
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95 | ASSERT_SC(sc); |
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96 | |
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97 | rtems_test_assert(sync_done); |
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98 | |
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99 | printk("H: access: 0\n"); |
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100 | |
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101 | printk("H: release: 0\n"); |
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102 | |
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103 | sc = rtems_bdbuf_release(bd); |
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104 | ASSERT_SC(sc); |
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105 | |
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106 | printk("H: release done: 0\n"); |
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107 | |
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108 | printk("H: try access: 1\n"); |
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109 | |
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110 | sc = rtems_bdbuf_get(dd, 1, &bd); |
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111 | ASSERT_SC(sc); |
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112 | |
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113 | printk("H: access: 1\n"); |
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114 | |
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115 | /* If we reach this code, we have likely a bug */ |
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116 | |
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117 | printk("H: release: 1\n"); |
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118 | |
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119 | sc = rtems_bdbuf_release(bd); |
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120 | ASSERT_SC(sc); |
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121 | |
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122 | printk("H: release done: 1\n"); |
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123 | |
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124 | rtems_task_delete(RTEMS_SELF); |
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125 | } |
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126 | |
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127 | static rtems_task Init(rtems_task_argument argument) |
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128 | { |
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129 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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130 | rtems_bdbuf_buffer *bd = NULL; |
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131 | dev_t dev = 0; |
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132 | |
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133 | TEST_BEGIN(); |
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134 | |
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135 | sc = rtems_disk_io_initialize(); |
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136 | ASSERT_SC(sc); |
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137 | |
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138 | sc = ramdisk_register(BLOCK_SIZE, BLOCK_COUNT, false, "/dev/rda", &dev); |
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139 | ASSERT_SC(sc); |
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140 | |
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141 | dd = rtems_disk_obtain(dev); |
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142 | rtems_test_assert(dd != NULL); |
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143 | |
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144 | sc = rtems_task_create( |
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145 | rtems_build_name(' ', 'L', 'O', 'W'), |
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146 | PRIORITY_LOW, |
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147 | 0, |
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148 | RTEMS_DEFAULT_MODES, |
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149 | RTEMS_DEFAULT_ATTRIBUTES, |
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150 | &task_id_low |
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151 | ); |
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152 | ASSERT_SC(sc); |
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153 | |
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154 | sc = rtems_task_start(task_id_low, task_low, 0); |
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155 | ASSERT_SC(sc); |
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156 | |
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157 | sc = rtems_task_create( |
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158 | rtems_build_name('H', 'I', 'G', 'H'), |
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159 | PRIORITY_HIGH, |
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160 | 0, |
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161 | RTEMS_DEFAULT_MODES, |
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162 | RTEMS_DEFAULT_ATTRIBUTES, |
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163 | &task_id_high |
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164 | ); |
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165 | ASSERT_SC(sc); |
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166 | |
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167 | sc = rtems_task_start(task_id_high, task_high, 0); |
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168 | ASSERT_SC(sc); |
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169 | |
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170 | sc = rtems_bdbuf_get(dd, 0, &bd); |
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171 | ASSERT_SC(sc); |
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172 | |
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173 | sc = rtems_bdbuf_sync(bd); |
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174 | ASSERT_SC(sc); |
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175 | |
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176 | printk("I: sync done: 0\n"); |
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177 | |
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178 | sync_done = true; |
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179 | |
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180 | sc = rtems_task_suspend(RTEMS_SELF); |
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181 | ASSERT_SC(sc); |
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182 | } |
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183 | |
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184 | #define CONFIGURE_INIT |
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185 | |
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186 | #define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER |
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187 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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188 | #define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK |
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189 | |
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190 | #define CONFIGURE_MAXIMUM_TASKS 3 |
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191 | #define CONFIGURE_MAXIMUM_DRIVERS 2 |
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192 | |
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193 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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194 | |
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195 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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196 | |
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197 | #define CONFIGURE_INIT_TASK_PRIORITY PRIORITY_INIT |
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198 | #define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_DEFAULT_ATTRIBUTES |
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199 | #define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_DEFAULT_MODES |
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200 | |
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201 | #define CONFIGURE_SWAPOUT_TASK_PRIORITY PRIORITY_SWAPOUT |
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202 | |
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203 | #define CONFIGURE_BDBUF_BUFFER_MIN_SIZE BLOCK_SIZE |
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204 | #define CONFIGURE_BDBUF_BUFFER_MAX_SIZE BLOCK_SIZE |
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205 | #define CONFIGURE_BDBUF_CACHE_MEMORY_SIZE BLOCK_SIZE |
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206 | |
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207 | #include <rtems/confdefs.h> |
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