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| 38 | #include <sys/types.h> |
38 | #include <sys/types.h> |
| 39 | #include <bool.h> |
39 | #include <bool.h> |
| 40 | 40 | ||
| 41 | #define dprintf(...) printf(__VA_ARGS__) |
41 | #define dprintf(...) printf(__VA_ARGS__) |
| 42 | 42 | ||
| - | 43 | typedef struct { |
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| - | 44 | uint8_t ji[3]; /**< Jump instruction. */ |
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| - | 45 | uint8_t oem_name[8]; |
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| - | 46 | /* BIOS Parameter Block */ |
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| - | 47 | uint16_t bps; /**< Bytes per sector. */ |
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| - | 48 | uint8_t spc; /**< Sectors per cluster. */ |
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| - | 49 | uint16_t rsc; /**< Reserved sector count. */ |
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| - | 50 | uint8_t fatcnt; /**< Number of FATs. */ |
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| - | 51 | uint16_t root_ent_max; /**< Maximum number of root directory |
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| - | 52 | entries. */ |
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| - | 53 | uint16_t totsec; /**< Total sectors. */ |
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| - | 54 | uint8_t mdesc; /**< Media descriptor. */ |
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| - | 55 | uint16_t sec_per_fat; /**< Sectors per FAT12/FAT16. */ |
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| - | 56 | uint16_t sec_per_track; /**< Sectors per track. */ |
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| - | 57 | uint16_t headcnt; /**< Number of heads. */ |
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| - | 58 | uint32_t hidden_sec; /**< Hidden sectors. */ |
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| - | 59 | uint32_t total_sec; /**< Total sectors. */ |
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| - | 60 | ||
| - | 61 | union { |
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| - | 62 | struct { |
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| - | 63 | /* FAT12/FAT16 only: Extended BIOS Parameter Block */ |
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| - | 64 | /** Physical drive number. */ |
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| - | 65 | uint8_t pdn; |
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| - | 66 | uint8_t reserved; |
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| - | 67 | /** Extended boot signature. */ |
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| - | 68 | uint8_t ebs; |
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| - | 69 | /** Serial number. */ |
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| - | 70 | uint32_t id; |
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| - | 71 | /** Volume label. */ |
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| - | 72 | uint8_t label[11]; |
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| - | 73 | /** FAT type. */ |
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| - | 74 | uint8_t type[8]; |
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| - | 75 | /** Boot code. */ |
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| - | 76 | uint8_t boot_code[448]; |
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| - | 77 | /** Boot sector signature. */ |
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| - | 78 | uint16_t signature; |
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| - | 79 | } __attribute__ ((packed)); |
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| - | 80 | struct { |
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| - | 81 | /* FAT32 only */ |
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| - | 82 | /** Sectors per FAT. */ |
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| - | 83 | uint32_t sectors_per_fat; |
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| - | 84 | /** FAT flags. */ |
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| - | 85 | uint16_t flags; |
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| - | 86 | /** Version. */ |
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| - | 87 | uint16_t version; |
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| - | 88 | /** Cluster number of root directory. */ |
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| - | 89 | uint32_t root_cluster; |
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| - | 90 | /** Sector number of file system information sector. */ |
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| - | 91 | uint16_t fsinfo_sec; |
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| - | 92 | /** Sector number of boot sector copy. */ |
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| - | 93 | uint16_t bscopy_sec; |
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| - | 94 | uint8_t reserved1[12]; |
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| - | 95 | /** Physical drive number. */ |
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| - | 96 | uint8_t pdn; |
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| - | 97 | uint8_t reserved2; |
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| - | 98 | /** Extended boot signature. */ |
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| - | 99 | uint8_t ebs; |
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| - | 100 | /** Serial number. */ |
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| - | 101 | uint32_t id; |
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| - | 102 | /** Volume label. */ |
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| - | 103 | uint8_t label; |
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| - | 104 | /** FAT type. */ |
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| - | 105 | uint8_t type[8]; |
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| - | 106 | /** Boot code. */ |
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| - | 107 | uint8_t boot_code[420]; |
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| - | 108 | /** Signature. */ |
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| - | 109 | uint16_t signature; |
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| - | 110 | } __attribute__ ((packed)); |
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| - | 111 | }; |
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| - | 112 | } fat_bs_t __attribute__ ((packed)); |
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| - | 113 | ||
| 43 | extern uint8_t *plb_ro; |
114 | extern uint8_t *plb_ro; |
| 44 | 115 | ||
| 45 | extern int block_read(int, unsigned long, void *); |
116 | extern int block_read(int, unsigned long, void *); |
| 46 | 117 | ||
| 47 | extern void fat_lookup(ipc_callid_t, ipc_call_t *); |
118 | extern void fat_lookup(ipc_callid_t, ipc_call_t *); |