[23ed785] | 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.com/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 | #include <sys/stat.h> |
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| 22 | #include <errno.h> |
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| 23 | #include <string.h> |
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| 24 | #include <stdint.h> |
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| 25 | #include <unistd.h> |
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| 26 | #include <fcntl.h> |
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| 27 | |
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| 28 | #include <rtems/flashdisk.h> |
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| 29 | #include <rtems/libio.h> |
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| 30 | #include <rtems/blkdev.h> |
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| 31 | #include <rtems/rtems-rfs-format.h> |
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| 32 | |
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| 33 | #include "test-file-system.h" |
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| 34 | |
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[4c86e3d] | 35 | /* forward declarations to avoid warnings */ |
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| 36 | static rtems_task Init(rtems_task_argument argument); |
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| 37 | |
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[23ed785] | 38 | #define FLASHDISK_CONFIG_COUNT 1 |
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| 39 | |
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| 40 | #define FLASHDISK_DEVICE_COUNT 1 |
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| 41 | |
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| 42 | #define FLASHDISK_SEGMENT_COUNT 4 |
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| 43 | |
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| 44 | #define FLASHDISK_SEGMENT_SIZE (16 * 1024) |
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| 45 | |
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| 46 | #define FLASHDISK_BLOCK_SIZE 512 |
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| 47 | |
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| 48 | #define FLASHDISK_BLOCKS_PER_SEGMENT \ |
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| 49 | (FLASHDISK_SEGMENT_SIZE / FLASHDISK_BLOCK_SIZE) |
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| 50 | |
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| 51 | #define FLASHDISK_SIZE \ |
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| 52 | (FLASHDISK_SEGMENT_COUNT * FLASHDISK_SEGMENT_SIZE) |
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| 53 | |
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| 54 | static const rtems_rfs_format_config rfs_config; |
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| 55 | |
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| 56 | static const char device [] = "/dev/fdda"; |
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| 57 | |
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| 58 | static const char mnt [] = "/mnt"; |
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| 59 | |
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| 60 | static const char file [] = "/mnt/file"; |
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| 61 | |
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| 62 | static uint8_t flashdisk_data [FLASHDISK_SIZE]; |
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| 63 | |
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| 64 | static void flashdisk_print_status(const char *disk_path) |
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| 65 | { |
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| 66 | int rv; |
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| 67 | int fd = open(disk_path, O_RDWR); |
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| 68 | rtems_test_assert(fd >= 0); |
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| 69 | |
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| 70 | rv = ioctl(fd, RTEMS_FDISK_IOCTL_PRINT_STATUS); |
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| 71 | rtems_test_assert(rv == 0); |
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| 72 | |
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| 73 | rv = close(fd); |
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| 74 | rtems_test_assert(rv == 0); |
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| 75 | } |
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| 76 | |
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| 77 | static int test_rfs_mount_handler( |
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| 78 | const char *disk_path, |
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| 79 | const char *mount_path, |
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| 80 | void *arg |
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| 81 | ) |
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| 82 | { |
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| 83 | return mount_and_make_target_path( |
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| 84 | disk_path, |
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| 85 | mount_path, |
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| 86 | RTEMS_FILESYSTEM_TYPE_RFS, |
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| 87 | RTEMS_FILESYSTEM_READ_WRITE, |
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| 88 | NULL |
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| 89 | ); |
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| 90 | } |
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| 91 | |
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| 92 | static int test_rfs_format_handler( |
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| 93 | const char *disk_path, |
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| 94 | void *arg |
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| 95 | ) |
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| 96 | { |
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| 97 | flashdisk_print_status(disk_path); |
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| 98 | |
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| 99 | rtems_test_assert(0); |
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| 100 | |
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| 101 | errno = EIO; |
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| 102 | |
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| 103 | return -1; |
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| 104 | } |
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| 105 | |
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| 106 | static const test_file_system_handler test_rfs_handler = { |
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| 107 | .mount = test_rfs_mount_handler, |
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| 108 | .format = test_rfs_format_handler |
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| 109 | }; |
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| 110 | |
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| 111 | static void test(void) |
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| 112 | { |
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| 113 | int rv; |
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| 114 | const void *data = NULL; |
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| 115 | |
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| 116 | rv = mkdir(mnt, S_IRWXU | S_IRWXG | S_IRWXO); |
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| 117 | rtems_test_assert(rv == 0); |
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| 118 | |
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| 119 | rv = rtems_rfs_format(device, &rfs_config); |
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| 120 | rtems_test_assert(rv == 0); |
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| 121 | |
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| 122 | rv = mount( |
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| 123 | device, |
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| 124 | mnt, |
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| 125 | RTEMS_FILESYSTEM_TYPE_RFS, |
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| 126 | RTEMS_FILESYSTEM_READ_WRITE, |
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| 127 | data |
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| 128 | ); |
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| 129 | rtems_test_assert(rv == 0); |
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| 130 | |
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| 131 | rv = mknod(file, S_IFREG | S_IRWXU | S_IRWXG | S_IRWXO, 0); |
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| 132 | rtems_test_assert(rv == 0); |
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| 133 | |
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| 134 | rv = unmount(mnt); |
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| 135 | rtems_test_assert(rv == 0); |
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| 136 | |
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| 137 | test_file_system_with_handler( |
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| 138 | 0, |
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| 139 | device, |
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| 140 | mnt, |
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| 141 | &test_rfs_handler, |
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| 142 | NULL |
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| 143 | ); |
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| 144 | |
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| 145 | flashdisk_print_status(device); |
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| 146 | } |
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| 147 | |
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| 148 | static void Init(rtems_task_argument arg) |
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| 149 | { |
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| 150 | puts("\n\n*** TEST FLASHDISK 1 ***"); |
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| 151 | |
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| 152 | test(); |
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| 153 | |
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| 154 | puts("*** END OF TEST FLASHDISK 1 ***"); |
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| 155 | |
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| 156 | rtems_test_exit(0); |
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| 157 | } |
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| 158 | |
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| 159 | static void erase_device(void) |
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| 160 | { |
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| 161 | memset(&flashdisk_data [0], 0xff, FLASHDISK_SIZE); |
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| 162 | } |
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| 163 | |
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| 164 | static rtems_device_driver flashdisk_initialize( |
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| 165 | rtems_device_major_number major, |
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| 166 | rtems_device_minor_number minor, |
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| 167 | void *arg |
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| 168 | ) |
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| 169 | { |
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| 170 | erase_device(); |
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| 171 | |
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| 172 | return rtems_fdisk_initialize(major, minor, arg); |
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| 173 | } |
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| 174 | |
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| 175 | static uint8_t *get_data_pointer( |
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| 176 | const rtems_fdisk_segment_desc *sd, |
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| 177 | uint32_t segment, |
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| 178 | uint32_t offset |
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| 179 | ) |
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| 180 | { |
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| 181 | offset += sd->offset + (segment - sd->segment) * sd->size; |
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| 182 | |
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| 183 | return &flashdisk_data [offset]; |
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| 184 | } |
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| 185 | |
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| 186 | static int flashdisk_read( |
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| 187 | const rtems_fdisk_segment_desc *sd, |
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| 188 | uint32_t device, |
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| 189 | uint32_t segment, |
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| 190 | uint32_t offset, |
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| 191 | void *buffer, |
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| 192 | uint32_t size |
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| 193 | ) |
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| 194 | { |
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| 195 | int eno = 0; |
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| 196 | const uint8_t *data = get_data_pointer(sd, segment, offset); |
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| 197 | |
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| 198 | memcpy(buffer, data, size); |
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| 199 | |
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| 200 | return eno; |
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| 201 | } |
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| 202 | |
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| 203 | static int flashdisk_write( |
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| 204 | const rtems_fdisk_segment_desc *sd, |
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| 205 | uint32_t device, |
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| 206 | uint32_t segment, |
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| 207 | uint32_t offset, |
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| 208 | const void *buffer, |
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| 209 | uint32_t size |
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| 210 | ) |
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| 211 | { |
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| 212 | int eno = 0; |
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| 213 | uint8_t *data = get_data_pointer(sd, segment, offset); |
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| 214 | |
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| 215 | memcpy(data, buffer, size); |
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| 216 | |
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| 217 | return eno; |
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| 218 | } |
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| 219 | |
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| 220 | static int flashdisk_blank( |
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| 221 | const rtems_fdisk_segment_desc *sd, |
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| 222 | uint32_t device, |
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| 223 | uint32_t segment, |
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| 224 | uint32_t offset, |
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| 225 | uint32_t size |
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| 226 | ) |
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| 227 | { |
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| 228 | int eno = 0; |
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| 229 | const uint8_t *current = get_data_pointer(sd, segment, offset); |
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[721fe34] | 230 | const uint8_t *end = current + size; |
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[23ed785] | 231 | |
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| 232 | while (eno == 0 && current != end) { |
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| 233 | if (*current != 0xff) { |
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| 234 | eno = EIO; |
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| 235 | } |
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| 236 | ++current; |
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| 237 | } |
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| 238 | |
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| 239 | return eno; |
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| 240 | } |
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| 241 | |
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| 242 | static int flashdisk_verify( |
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| 243 | const rtems_fdisk_segment_desc *sd, |
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| 244 | uint32_t device, |
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| 245 | uint32_t segment, |
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| 246 | uint32_t offset, |
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| 247 | const void *buffer, |
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| 248 | uint32_t size |
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| 249 | ) |
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| 250 | { |
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| 251 | int eno = 0; |
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| 252 | uint8_t *data = get_data_pointer(sd, segment, offset); |
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| 253 | |
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| 254 | if (memcmp(data, buffer, size) != 0) { |
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| 255 | eno = EIO; |
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| 256 | } |
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| 257 | |
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| 258 | return eno; |
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| 259 | } |
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| 260 | |
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| 261 | static int flashdisk_erase( |
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| 262 | const rtems_fdisk_segment_desc *sd, |
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| 263 | uint32_t device, |
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| 264 | uint32_t segment |
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| 265 | ) |
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| 266 | { |
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| 267 | int eno = 0; |
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| 268 | uint8_t *data = get_data_pointer(sd, segment, 0); |
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| 269 | |
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| 270 | memset(data, 0xff, sd->size); |
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| 271 | |
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| 272 | return eno; |
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| 273 | } |
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| 274 | |
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| 275 | static int flashdisk_erase_device( |
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| 276 | const rtems_fdisk_device_desc *sd, |
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| 277 | uint32_t device |
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| 278 | ) |
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| 279 | { |
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| 280 | int eno = 0; |
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| 281 | |
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| 282 | erase_device(); |
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| 283 | |
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| 284 | return eno; |
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| 285 | } |
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| 286 | |
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| 287 | static const rtems_fdisk_segment_desc flashdisk_segment_desc = { |
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| 288 | .count = FLASHDISK_SEGMENT_COUNT, |
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| 289 | .segment = 0, |
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| 290 | .offset = 0, |
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| 291 | .size = FLASHDISK_SEGMENT_SIZE |
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| 292 | }; |
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| 293 | |
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| 294 | static const rtems_fdisk_driver_handlers flashdisk_ops = { |
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| 295 | .read = flashdisk_read, |
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| 296 | .write = flashdisk_write, |
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| 297 | .blank = flashdisk_blank, |
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| 298 | .verify = flashdisk_verify, |
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| 299 | .erase = flashdisk_erase, |
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| 300 | .erase_device = flashdisk_erase_device |
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| 301 | }; |
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| 302 | |
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| 303 | static const rtems_fdisk_device_desc flashdisk_device = { |
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| 304 | .segment_count = 1, |
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| 305 | .segments = &flashdisk_segment_desc, |
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| 306 | .flash_ops = &flashdisk_ops |
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| 307 | }; |
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| 308 | |
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| 309 | const rtems_flashdisk_config |
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| 310 | rtems_flashdisk_configuration [FLASHDISK_CONFIG_COUNT] = { |
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| 311 | { |
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| 312 | .block_size = FLASHDISK_BLOCK_SIZE, |
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| 313 | .device_count = FLASHDISK_DEVICE_COUNT, |
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| 314 | .devices = &flashdisk_device, |
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| 315 | .flags = RTEMS_FDISK_CHECK_PAGES |
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| 316 | | RTEMS_FDISK_BLANK_CHECK_BEFORE_WRITE, |
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| 317 | .unavail_blocks = FLASHDISK_BLOCKS_PER_SEGMENT, |
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| 318 | .compact_segs = 2, |
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| 319 | .avail_compact_segs = 1, |
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| 320 | .info_level = 0 |
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| 321 | } |
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| 322 | }; |
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| 323 | |
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| 324 | uint32_t rtems_flashdisk_configuration_size = FLASHDISK_CONFIG_COUNT; |
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| 325 | |
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| 326 | #define FLASHDISK_DRIVER { \ |
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| 327 | .initialization_entry = flashdisk_initialize, \ |
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| 328 | .open_entry = rtems_blkdev_generic_open, \ |
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| 329 | .close_entry = rtems_blkdev_generic_close, \ |
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| 330 | .read_entry = rtems_blkdev_generic_read, \ |
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| 331 | .write_entry = rtems_blkdev_generic_write, \ |
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| 332 | .control_entry = rtems_blkdev_generic_ioctl \ |
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| 333 | } |
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| 334 | |
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| 335 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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| 336 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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| 337 | #define CONFIGURE_APPLICATION_EXTRA_DRIVERS FLASHDISK_DRIVER |
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| 338 | #define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK |
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| 339 | |
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| 340 | #define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 6 |
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| 341 | |
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| 342 | #define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM |
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| 343 | #define CONFIGURE_FILESYSTEM_RFS |
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| 344 | |
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| 345 | #define CONFIGURE_MAXIMUM_TASKS 2 |
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| 346 | #define CONFIGURE_MAXIMUM_SEMAPHORES 1 |
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| 347 | |
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| 348 | #define CONFIGURE_MINIMUM_TASK_STACK_SIZE (32 * 1024) |
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| 349 | |
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| 350 | #define CONFIGURE_EXTRA_TASK_STACKS (8 * 1024) |
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| 351 | |
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| 352 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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| 353 | |
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| 354 | #define CONFIGURE_INIT |
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| 355 | |
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| 356 | #include <rtems/confdefs.h> |
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