1 #define TDF_EXTCOM (1<<15)
14 #define TD_MOTOR (CMD_NONSTD+0) // 9
15 #define TD_SEEK (CMD_NONSTD+1) // 10
16 #define TD_FORMAT (CMD_NONSTD+2) // 11
17 #define TD_REMOVE (CMD_NONSTD+3) // 12
18 #define TD_CHANGENUM (CMD_NONSTD+4) // 13
19 #define TD_CHANGESTATE (CMD_NONSTD+5) // 15
20 #define TD_PROTSTATUS (CMD_NONSTD+6) // 16
21 #define TD_RAWREAD (CMD_NONSTD+7) // 17
22 #define TD_RAWWRITE (CMD_NONSTD+8) // 18
23 #define TD_GETDRIVETYPE (CMD_NONSTD+9) // 19
24 #define TD_GETNUMTRACKS (CMD_NONSTD+10) // 20
25 #define TD_ADDCHANGEINT (CMD_NONSTD+11) // 21
26 #define TD_REMCHANGEINT (CMD_NONSTD+12) // 22
27 #define TD_GETGEOMETRY (CMD_NONSTD+13) // 23
28 #define TD_EJECT (CMD_NONSTD+14) // 24
29 #define TD_LASTCOMM (CMD_NONSTD+15) // 25
31 #define ETD_WRITE (CMD_WRITE|TDF_EXTCOM)
32 #define ETD_READ (CMD_READ|TDF_EXTCOM)
33 #define ETD_MOTOR (TD_MOTOR|TDF_EXTCOM)
34 #define ETD_SEEK (TD_SEEK|TDF_EXTCOM)
35 #define ETD_FORMAT (TD_FORMAT|TDF_EXTCOM)
36 #define ETD_UPDATE (CMD_UPDATE|TDF_EXTCOM)
37 #define ETD_CLEAR (CMD_CLEAR|TDF_EXTCOM)
38 #define ETD_RAWREAD (TD_RAWREAD|TDF_EXTCOM)
39 #define ETD_RAWWRITE (TD_RAWWRITE|TDF_EXTCOM)
43 #define NSCMD_DEVICEQUERY 0x4000
44 #define NSCMD_TD_READ64 0xC000
45 #define NSCMD_TD_WRITE64 0xC001
46 #define NSCMD_TD_SEEK64 0xC002
47 #define NSCMD_TD_FORMAT64 0xC003
49 #define RDB_BLOCK_LIMIT 16
50 #define RDB_IDENTIFIER 0x5244534B
53 void piscsi_map_drive(char *filename, uint8_t index);
55 void handle_piscsi_write(uint32_t addr, uint32_t val, uint8_t type);
56 uint32_t handle_piscsi_read(uint32_t addr, uint8_t type);
58 void piscsi_block_op(uint8_t type, uint8_t num, uint32_t dest, uint32_t len);
66 uint32_t num_partitions;
67 // Will parse max eight partitions per disk
68 struct PartitionBlock *pb[16];
69 struct RigidDiskBlock *rdb;
72 // .long 0 /* dos disk name */
73 // .long 0 /* device file name */
75 // .long 0 /* flags */
77 uint32_t de_TableSize; /* Size of Environment vector */
78 uint32_t de_SizeBlock; /* in longwords: standard value is 128 */
79 uint32_t de_SecOrg; /* not used; must be 0 */
80 uint32_t de_Surfaces; /* # of heads (surfaces). drive specific */
81 uint32_t de_SectorPerBlock; /* not used; must be 1 */
82 uint32_t de_BlocksPerTrack; /* blocks per track. drive specific */
83 uint32_t de_Reserved; /* DOS reserved blocks at start of partition. */
84 uint32_t de_PreAlloc; /* DOS reserved blocks at end of partition */
85 uint32_t de_Interleave; /* usually 0 */
86 uint32_t de_LowCyl; /* starting cylinder. typically 0 */
87 uint32_t de_HighCyl; /* max cylinder. drive specific */
88 uint32_t de_NumBuffers; /* Initial # DOS of buffers. */
89 uint32_t de_BufMemType; /* type of mem to allocate for buffers */
90 uint32_t de_MaxTransfer; /* Max number of bytes to transfer at a time */
91 uint32_t de_Mask; /* Address Mask to block out certain memory */
92 int32_t de_BootPri; /* Boot priority for autoboot */
93 uint32_t de_DosType; /* ASCII (HEX) string showing filesystem type;
94 * 0X444F5300 is old filesystem,
95 * 0X444F5301 is fast file system */
96 uint32_t de_Baud; /* Baud rate for serial handler */
97 uint32_t de_Control; /* Control word for handler/filesystem */
98 uint32_t de_BootBlocks; /* Number of blocks containing boot code */
102 struct pihd_dosnode_data {
104 uint32_t dev_name_ptr;
111 uint32_t secs_per_block;
112 uint32_t blocks_per_track;
113 uint32_t reserved_blocks;
120 uint32_t maxtransfer;
121 uint32_t transfer_mask;
126 struct RigidDiskBlock {
128 uint32_t rdb_SummedLongs;
131 uint32_t rdb_BlockBytes;
133 /* block list heads */
134 uint32_t rdb_BadBlockList;
135 uint32_t rdb_PartitionList;
136 uint32_t rdb_FileSysHeaderList;
137 uint32_t rdb_DriveInit;
138 uint32_t rdb_Reserved1[6];
139 /* physical drive characteristics */
140 uint32_t rdb_Cylinders;
141 uint32_t rdb_Sectors;
143 uint32_t rdb_Interleave;
145 uint32_t rdb_Reserved2[3];
146 uint32_t rdb_WritePreComp;
147 uint32_t rdb_ReducedWrite;
148 uint32_t rdb_StepRate;
149 uint32_t rdb_Reserved3[5];
150 /* logical drive characteristics */
151 uint32_t rdb_RDBBlocksLo;
152 uint32_t rdb_RDBBlocksHi;
153 uint32_t rdb_LoCylinder;
154 uint32_t rdb_HiCylinder;
155 uint32_t rdb_CylBlocks;
156 uint32_t rdb_AutoParkSeconds;
157 uint32_t rdb_HighRDSKBlock;
158 uint32_t rdb_Reserved4;
159 /* drive identification */
160 char rdb_DiskVendor[8];
161 char rdb_DiskProduct[16];
162 char rdb_DiskRevision[4];
163 char rdb_ControllerVendor[8];
164 char rdb_ControllerProduct[16];
165 char rdb_ControllerRevision[4];
166 char rdb_DriveInitName[40];
169 struct PartitionBlock {
171 uint32_t pb_SummedLongs;
176 uint32_t pb_Reserved1[2];
177 uint32_t pb_DevFlags;
178 uint8_t pb_DriveName[32];
179 uint32_t pb_Reserved2[15];
180 uint32_t pb_Environment[20];
181 uint32_t pb_EReserved[12];