1 | /* |
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2 | * Copyright (c) 2012 embedded brains GmbH. All rights reserved. |
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3 | * |
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4 | * embedded brains GmbH |
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5 | * Obere Lagerstr. 30 |
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6 | * 82178 Puchheim |
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7 | * Germany |
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8 | * <rtems@embedded-brains.de> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.org/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #ifdef HAVE_CONFIG_H |
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16 | #include "config.h" |
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17 | #endif |
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18 | |
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19 | #include "tmacros.h" |
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20 | |
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21 | const char rtems_test_name[] = "FLASHDISK 1"; |
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22 | |
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23 | #if !BSP_SMALL_MEMORY |
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24 | |
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25 | #include <sys/stat.h> |
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26 | #include <errno.h> |
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27 | #include <string.h> |
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28 | #include <stdint.h> |
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29 | #include <unistd.h> |
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30 | #include <fcntl.h> |
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31 | |
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32 | #include <rtems/flashdisk.h> |
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33 | #include <rtems/libio.h> |
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34 | #include <rtems/blkdev.h> |
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35 | #include <rtems/rtems-rfs-format.h> |
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36 | |
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37 | #include "test-file-system.h" |
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38 | |
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39 | /* forward declarations to avoid warnings */ |
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40 | static rtems_task Init(rtems_task_argument argument); |
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41 | |
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42 | #define FLASHDISK_CONFIG_COUNT 1 |
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43 | |
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44 | #define FLASHDISK_DEVICE_COUNT 1 |
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45 | |
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46 | #define FLASHDISK_SEGMENT_COUNT 4U |
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47 | |
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48 | #define FLASHDISK_SEGMENT_SIZE (16 * 1024) |
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49 | |
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50 | #define FLASHDISK_BLOCK_SIZE 512U |
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51 | |
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52 | #define FLASHDISK_BLOCKS_PER_SEGMENT \ |
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53 | (FLASHDISK_SEGMENT_SIZE / FLASHDISK_BLOCK_SIZE) |
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54 | |
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55 | #define FLASHDISK_SIZE \ |
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56 | (FLASHDISK_SEGMENT_COUNT * FLASHDISK_SEGMENT_SIZE) |
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57 | |
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58 | static const rtems_rfs_format_config rfs_config; |
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59 | |
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60 | static const char device [] = "/dev/fdda"; |
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61 | |
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62 | static const char mnt [] = "/mnt"; |
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63 | |
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64 | static const char file [] = "/mnt/file"; |
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65 | |
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66 | static uint8_t flashdisk_data [FLASHDISK_SIZE]; |
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67 | |
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68 | static void flashdisk_print_status(const char *disk_path) |
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69 | { |
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70 | int rv; |
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71 | int fd = open(disk_path, O_RDWR); |
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72 | rtems_test_assert(fd >= 0); |
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73 | |
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74 | rv = ioctl(fd, RTEMS_FDISK_IOCTL_PRINT_STATUS); |
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75 | rtems_test_assert(rv == 0); |
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76 | |
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77 | rv = close(fd); |
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78 | rtems_test_assert(rv == 0); |
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79 | } |
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80 | |
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81 | static int test_rfs_mount_handler( |
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82 | const char *disk_path, |
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83 | const char *mount_path, |
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84 | void *arg |
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85 | ) |
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86 | { |
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87 | return mount_and_make_target_path( |
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88 | disk_path, |
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89 | mount_path, |
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90 | RTEMS_FILESYSTEM_TYPE_RFS, |
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91 | RTEMS_FILESYSTEM_READ_WRITE, |
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92 | NULL |
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93 | ); |
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94 | } |
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95 | |
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96 | static int test_rfs_format_handler( |
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97 | const char *disk_path, |
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98 | void *arg |
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99 | ) |
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100 | { |
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101 | flashdisk_print_status(disk_path); |
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102 | |
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103 | rtems_test_assert(0); |
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104 | |
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105 | errno = EIO; |
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106 | |
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107 | return -1; |
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108 | } |
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109 | |
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110 | static const test_file_system_handler test_rfs_handler = { |
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111 | .mount = test_rfs_mount_handler, |
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112 | .format = test_rfs_format_handler |
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113 | }; |
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114 | |
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115 | static void test(void) |
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116 | { |
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117 | int rv; |
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118 | const void *data = NULL; |
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119 | |
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120 | rv = mkdir(mnt, S_IRWXU | S_IRWXG | S_IRWXO); |
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121 | rtems_test_assert(rv == 0); |
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122 | |
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123 | rv = rtems_rfs_format(device, &rfs_config); |
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124 | rtems_test_assert(rv == 0); |
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125 | |
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126 | rv = mount( |
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127 | device, |
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128 | mnt, |
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129 | RTEMS_FILESYSTEM_TYPE_RFS, |
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130 | RTEMS_FILESYSTEM_READ_WRITE, |
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131 | data |
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132 | ); |
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133 | rtems_test_assert(rv == 0); |
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134 | |
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135 | rv = mknod(file, S_IFREG | S_IRWXU | S_IRWXG | S_IRWXO, 0); |
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136 | rtems_test_assert(rv == 0); |
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137 | |
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138 | rv = unmount(mnt); |
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139 | rtems_test_assert(rv == 0); |
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140 | |
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141 | test_file_system_with_handler( |
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142 | 0, |
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143 | device, |
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144 | mnt, |
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145 | &test_rfs_handler, |
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146 | NULL |
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147 | ); |
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148 | |
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149 | flashdisk_print_status(device); |
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150 | } |
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151 | |
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152 | static void Init(rtems_task_argument arg) |
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153 | { |
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154 | TEST_BEGIN(); |
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155 | |
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156 | test(); |
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157 | |
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158 | TEST_END(); |
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159 | |
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160 | rtems_test_exit(0); |
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161 | } |
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162 | |
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163 | static void erase_device(void) |
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164 | { |
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165 | memset(&flashdisk_data [0], 0xff, FLASHDISK_SIZE); |
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166 | } |
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167 | |
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168 | static rtems_device_driver flashdisk_initialize( |
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169 | rtems_device_major_number major, |
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170 | rtems_device_minor_number minor, |
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171 | void *arg |
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172 | ) |
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173 | { |
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174 | erase_device(); |
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175 | |
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176 | return rtems_fdisk_initialize(major, minor, arg); |
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177 | } |
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178 | |
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179 | static uint8_t *get_data_pointer( |
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180 | const rtems_fdisk_segment_desc *sd, |
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181 | uint32_t segment, |
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182 | uint32_t offset |
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183 | ) |
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184 | { |
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185 | offset += sd->offset + (segment - sd->segment) * sd->size; |
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186 | |
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187 | return &flashdisk_data [offset]; |
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188 | } |
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189 | |
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190 | static int flashdisk_read( |
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191 | const rtems_fdisk_segment_desc *sd, |
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192 | uint32_t device, |
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193 | uint32_t segment, |
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194 | uint32_t offset, |
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195 | void *buffer, |
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196 | uint32_t size |
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197 | ) |
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198 | { |
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199 | int eno = 0; |
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200 | const uint8_t *data = get_data_pointer(sd, segment, offset); |
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201 | |
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202 | memcpy(buffer, data, size); |
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203 | |
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204 | return eno; |
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205 | } |
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206 | |
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207 | static int flashdisk_write( |
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208 | const rtems_fdisk_segment_desc *sd, |
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209 | uint32_t device, |
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210 | uint32_t segment, |
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211 | uint32_t offset, |
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212 | const void *buffer, |
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213 | uint32_t size |
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214 | ) |
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215 | { |
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216 | int eno = 0; |
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217 | uint8_t *data = get_data_pointer(sd, segment, offset); |
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218 | |
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219 | memcpy(data, buffer, size); |
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220 | |
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221 | return eno; |
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222 | } |
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223 | |
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224 | static int flashdisk_blank( |
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225 | const rtems_fdisk_segment_desc *sd, |
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226 | uint32_t device, |
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227 | uint32_t segment, |
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228 | uint32_t offset, |
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229 | uint32_t size |
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230 | ) |
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231 | { |
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232 | int eno = 0; |
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233 | const uint8_t *current = get_data_pointer(sd, segment, offset); |
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234 | const uint8_t *end = current + size; |
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235 | |
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236 | while (eno == 0 && current != end) { |
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237 | if (*current != 0xff) { |
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238 | eno = EIO; |
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239 | } |
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240 | ++current; |
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241 | } |
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242 | |
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243 | return eno; |
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244 | } |
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245 | |
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246 | static int flashdisk_verify( |
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247 | const rtems_fdisk_segment_desc *sd, |
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248 | uint32_t device, |
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249 | uint32_t segment, |
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250 | uint32_t offset, |
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251 | const void *buffer, |
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252 | uint32_t size |
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253 | ) |
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254 | { |
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255 | int eno = 0; |
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256 | uint8_t *data = get_data_pointer(sd, segment, offset); |
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257 | |
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258 | if (memcmp(data, buffer, size) != 0) { |
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259 | eno = EIO; |
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260 | } |
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261 | |
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262 | return eno; |
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263 | } |
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264 | |
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265 | static int flashdisk_erase( |
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266 | const rtems_fdisk_segment_desc *sd, |
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267 | uint32_t device, |
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268 | uint32_t segment |
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269 | ) |
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270 | { |
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271 | int eno = 0; |
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272 | uint8_t *data = get_data_pointer(sd, segment, 0); |
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273 | |
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274 | memset(data, 0xff, sd->size); |
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275 | |
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276 | return eno; |
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277 | } |
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278 | |
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279 | static int flashdisk_erase_device( |
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280 | const rtems_fdisk_device_desc *sd, |
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281 | uint32_t device |
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282 | ) |
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283 | { |
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284 | int eno = 0; |
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285 | |
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286 | erase_device(); |
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287 | |
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288 | return eno; |
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289 | } |
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290 | |
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291 | static const rtems_fdisk_segment_desc flashdisk_segment_desc = { |
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292 | .count = FLASHDISK_SEGMENT_COUNT, |
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293 | .segment = 0, |
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294 | .offset = 0, |
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295 | .size = FLASHDISK_SEGMENT_SIZE |
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296 | }; |
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297 | |
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298 | static const rtems_fdisk_driver_handlers flashdisk_ops = { |
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299 | .read = flashdisk_read, |
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300 | .write = flashdisk_write, |
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301 | .blank = flashdisk_blank, |
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302 | .verify = flashdisk_verify, |
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303 | .erase = flashdisk_erase, |
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304 | .erase_device = flashdisk_erase_device |
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305 | }; |
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306 | |
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307 | static const rtems_fdisk_device_desc flashdisk_device = { |
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308 | .segment_count = 1, |
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309 | .segments = &flashdisk_segment_desc, |
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310 | .flash_ops = &flashdisk_ops |
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311 | }; |
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312 | |
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313 | const rtems_flashdisk_config |
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314 | rtems_flashdisk_configuration [FLASHDISK_CONFIG_COUNT] = { |
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315 | { |
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316 | .block_size = FLASHDISK_BLOCK_SIZE, |
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317 | .device_count = FLASHDISK_DEVICE_COUNT, |
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318 | .devices = &flashdisk_device, |
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319 | .flags = RTEMS_FDISK_CHECK_PAGES |
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320 | | RTEMS_FDISK_BLANK_CHECK_BEFORE_WRITE, |
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321 | .unavail_blocks = FLASHDISK_BLOCKS_PER_SEGMENT, |
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322 | .compact_segs = 2, |
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323 | .avail_compact_segs = 1, |
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324 | .info_level = 0 |
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325 | } |
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326 | }; |
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327 | |
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328 | uint32_t rtems_flashdisk_configuration_size = FLASHDISK_CONFIG_COUNT; |
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329 | |
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330 | #define FLASHDISK_DRIVER { \ |
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331 | .initialization_entry = flashdisk_initialize, \ |
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332 | .open_entry = rtems_blkdev_generic_open, \ |
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333 | .close_entry = rtems_blkdev_generic_close, \ |
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334 | .read_entry = rtems_blkdev_generic_read, \ |
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335 | .write_entry = rtems_blkdev_generic_write, \ |
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336 | .control_entry = rtems_blkdev_generic_ioctl \ |
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337 | } |
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338 | |
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339 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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340 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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341 | #define CONFIGURE_APPLICATION_EXTRA_DRIVERS FLASHDISK_DRIVER |
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342 | #define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK |
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343 | |
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344 | #define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 6 |
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345 | |
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346 | #define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM |
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347 | #define CONFIGURE_FILESYSTEM_RFS |
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348 | |
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349 | #define CONFIGURE_MAXIMUM_TASKS 2 |
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350 | #define CONFIGURE_MAXIMUM_SEMAPHORES 1 |
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351 | |
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352 | #define CONFIGURE_MINIMUM_TASK_STACK_SIZE (32U * 1024U) |
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353 | |
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354 | #define CONFIGURE_EXTRA_TASK_STACKS (8 * 1024) |
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355 | |
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356 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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357 | |
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358 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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359 | |
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360 | #define CONFIGURE_INIT |
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361 | |
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362 | #include <rtems/confdefs.h> |
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363 | |
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364 | #else /* BSP_SMALL_MEMORY */ |
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365 | |
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366 | static void Init(rtems_task_argument arg) |
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367 | { |
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368 | TEST_BEGIN(); |
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369 | puts("NOT ENOUGH MEMORY TO RUN TEST"); |
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370 | |
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371 | rtems_test_exit(0); |
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372 | } |
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373 | |
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374 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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375 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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376 | |
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377 | #define CONFIGURE_MAXIMUM_TASKS 1 |
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378 | |
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379 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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380 | |
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381 | #define CONFIGURE_INIT |
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382 | |
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383 | #include <rtems/confdefs.h> |
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384 | |
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385 | #endif /* BSP_SMALL_MEMORY */ |
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