| 3eb9473e |
1 | /*++\r |
| 2 | \r |
| 3 | Copyright 2006, Intel Corporation \r |
| 4 | All rights reserved. This program and the accompanying materials \r |
| 5 | are licensed and made available under the terms and conditions of the BSD License \r |
| 6 | which accompanies this distribution. The full text of the license may be found at \r |
| 7 | http://opensource.org/licenses/bsd-license.php \r |
| 8 | \r |
| 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
| 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
| 11 | \r |
| 12 | Module Name:\r |
| 13 | \r |
| 14 | fat.h\r |
| 15 | \r |
| 16 | Abstract:\r |
| 17 | \r |
| 18 | Revision History\r |
| 19 | \r |
| 20 | --*/\r |
| 21 | \r |
| 22 | #ifndef _FAT_BPB_H_\r |
| 23 | #define _FAT_BPB_H_\r |
| 24 | \r |
| 25 | #include "Tiano.h"\r |
| 26 | \r |
| 27 | #pragma pack(1)\r |
| 28 | \r |
| 29 | typedef struct {\r |
| 30 | //\r |
| 31 | // Fat common field\r |
| 32 | //\r |
| 33 | UINT8 BS_jmpBoot[3];\r |
| 34 | CHAR8 BS_OEMName[8];\r |
| 35 | UINT16 BPB_BytsPerSec;\r |
| 36 | UINT8 BPB_SecPerClus;\r |
| 37 | UINT16 BPB_RsvdSecCnt;\r |
| 38 | UINT8 BPB_NumFATs;\r |
| 39 | UINT16 BPB_RootEntCnt;\r |
| 40 | UINT16 BPB_TotSec16;\r |
| 41 | UINT8 BPB_Media;\r |
| 42 | UINT16 BPB_FATSz16;\r |
| 43 | UINT16 BPB_SecPerTrk;\r |
| 44 | UINT16 BPB_NumHeads;\r |
| 45 | UINT32 BPB_HiddSec;\r |
| 46 | UINT32 BPB_TotSec32;\r |
| 47 | \r |
| 48 | //\r |
| 49 | // Fat12/16 specific field\r |
| 50 | //\r |
| 51 | UINT8 BS_DrvNum;\r |
| 52 | UINT8 BS_Reserved1;\r |
| 53 | UINT8 BS_BootSig;\r |
| 54 | UINT32 BS_VolID;\r |
| 55 | CHAR8 BS_VolLab[11];\r |
| 56 | CHAR8 BS_FilSysType[8];\r |
| 57 | \r |
| 58 | //\r |
| 59 | // Boot Code and Data\r |
| 60 | //\r |
| 61 | UINT8 Reserved[448];\r |
| 62 | \r |
| 63 | //\r |
| 64 | // Fat common signature - 0xAA55\r |
| 65 | //\r |
| 66 | UINT16 Signature;\r |
| 67 | } FAT12_16_BPB_STRUCT;\r |
| 68 | \r |
| 69 | typedef struct {\r |
| 70 | //\r |
| 71 | // Fat common field\r |
| 72 | //\r |
| 73 | UINT8 BS_jmpBoot[3];\r |
| 74 | CHAR8 BS_OEMName[8];\r |
| 75 | UINT16 BPB_BytsPerSec;\r |
| 76 | UINT8 BPB_SecPerClus;\r |
| 77 | UINT16 BPB_RsvdSecCnt;\r |
| 78 | UINT8 BPB_NumFATs;\r |
| 79 | UINT16 BPB_RootEntCnt;\r |
| 80 | UINT16 BPB_TotSec16;\r |
| 81 | UINT8 BPB_Media;\r |
| 82 | UINT16 BPB_FATSz16;\r |
| 83 | UINT16 BPB_SecPerTrk;\r |
| 84 | UINT16 BPB_NumHeads;\r |
| 85 | UINT32 BPB_HiddSec;\r |
| 86 | UINT32 BPB_TotSec32;\r |
| 87 | \r |
| 88 | //\r |
| 89 | // Fat32 specific field\r |
| 90 | //\r |
| 91 | UINT32 BPB_FATSz32;\r |
| 92 | UINT16 BPB_ExtFlags;\r |
| 93 | UINT16 BPB_FSVer;\r |
| 94 | UINT32 BPB_RootClus;\r |
| 95 | UINT16 BPB_FSInfo;\r |
| 96 | UINT16 BPB_BkBootSec;\r |
| 97 | UINT8 BPB_Reserved[12];\r |
| 98 | UINT8 BS_DrvNum;\r |
| 99 | UINT8 BS_Reserved1;\r |
| 100 | UINT8 BS_BootSig;\r |
| 101 | UINT32 BS_VolID;\r |
| 102 | CHAR8 BS_VolLab[11];\r |
| 103 | CHAR8 BS_FilSysType[8];\r |
| 104 | \r |
| 105 | //\r |
| 106 | // Boot Code and Data\r |
| 107 | //\r |
| 108 | UINT8 Reserved[420];\r |
| 109 | \r |
| 110 | //\r |
| 111 | // Fat common signature - 0xAA55\r |
| 112 | //\r |
| 113 | UINT16 Signature;\r |
| 114 | } FAT32_BPB_STRUCT;\r |
| 115 | \r |
| 116 | typedef union {\r |
| 117 | FAT12_16_BPB_STRUCT Fat12_16;\r |
| 118 | FAT32_BPB_STRUCT Fat32;\r |
| 119 | } FAT_BPB_STRUCT;\r |
| 120 | \r |
| 121 | typedef enum {\r |
| 122 | FatTypeUnknown,\r |
| 123 | FatTypeFat12,\r |
| 124 | FatTypeFat16,\r |
| 125 | FatTypeFat32,\r |
| 126 | FatTypeMax\r |
| 127 | } FAT_TYPE;\r |
| 128 | \r |
| 129 | typedef struct {\r |
| 130 | CHAR8 DIR_Name[11];\r |
| 131 | UINT8 DIR_Attr;\r |
| 132 | UINT8 DIR_NTRes;\r |
| 133 | UINT8 DIR_CrtTimeTenth;\r |
| 134 | UINT16 DIR_CrtTime;\r |
| 135 | UINT16 DIR_CrtDate;\r |
| 136 | UINT16 DIR_LstAccDate;\r |
| 137 | UINT16 DIR_FstClusHI;\r |
| 138 | UINT16 DIR_WrtTime;\r |
| 139 | UINT16 DIR_WrtDate;\r |
| 140 | UINT16 DIR_FstClusLO;\r |
| 141 | UINT32 DIR_FileSize;\r |
| 142 | } FAT_DIRECTORY_ENTRY;\r |
| 143 | \r |
| 144 | #pragma pack()\r |
| 145 | \r |
| 146 | #define FAT_MAX_FAT12_CLUSTER 0xFF5\r |
| 147 | #define FAT_MAX_FAT16_CLUSTER 0xFFF5\r |
| 148 | \r |
| 149 | #define FAT_BS_SIGNATURE 0xAA55\r |
| 150 | #define FAT_BS_BOOTSIG 0x29\r |
| 151 | #define FAT_BS_JMP1 0xEB\r |
| 152 | #define FAT_BS_JMP2 0xE9\r |
| 153 | #define FAT_FILSYSTYPE "FAT "\r |
| 154 | #define FAT12_FILSYSTYPE "FAT12 "\r |
| 155 | #define FAT16_FILSYSTYPE "FAT16 "\r |
| 156 | #define FAT32_FILSYSTYPE "FAT32 "\r |
| 157 | \r |
| 158 | #endif\r |
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