src/system/boot/loader/file_systems/fat/fatfs.h

   1 /*
   2 ** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
   3 ** Distributed under the terms of the MIT License.
   4 */
   5 #ifndef FATFS_H
   6 #define FATFS_H
   7
   8
   9 #include <SupportDefs.h>
  10 #include <ByteOrder.h>
  11
  12 namespace FATFS {
  13
  14 class Volume;
  15
  16 // mode bits
  17 #define FAT_READ_ONLY   1
  18 #define FAT_HIDDEN              2
  19 #define FAT_SYSTEM              4
  20 #define FAT_VOLUME              8
  21 #define FAT_SUBDIR              16
  22 #define FAT_ARCHIVE             32
  23
  24 #define read32(buffer,off) \
  25         B_LENDIAN_TO_HOST_INT32(*(uint32 *)&buffer[off])
  26
  27 #define read16(buffer,off) \
  28         B_LENDIAN_TO_HOST_INT16(*(uint16 *)&buffer[off])
  29
  30 #define write32(buffer, off, value) \
  31         *(uint32*)&buffer[off] = B_HOST_TO_LENDIAN_INT32(value)
  32
  33 #define write16(buffer, off, value) \
  34         *(uint16*)&buffer[off] = B_HOST_TO_LENDIAN_INT16(value)
  35
  36 enum name_lengths {
  37         FATFS_BASENAME_LENGTH   = 8,
  38         FATFS_EXTNAME_LENGTH    = 3,
  39         FATFS_NAME_LENGTH       = 12,
  40 };
  41
  42 status_t get_root_block(int fDevice, char *buffer, int32 blockSize, off_t partitionSize);
  43
  44
  45 }       // namespace FATFS
  46
  47 #endif  /* FATFS_H */
  48