3 #include "platforms/amiga/hunk-reloc.h"
5 #define TDF_EXTCOM (1<<15)
18 #define TD_MOTOR (CMD_NONSTD+0) // 9
19 #define TD_SEEK (CMD_NONSTD+1) // 10
20 #define TD_FORMAT (CMD_NONSTD+2) // 11
21 #define TD_REMOVE (CMD_NONSTD+3) // 12
22 #define TD_CHANGENUM (CMD_NONSTD+4) // 13
23 #define TD_CHANGESTATE (CMD_NONSTD+5) // 15
24 #define TD_PROTSTATUS (CMD_NONSTD+6) // 16
25 #define TD_RAWREAD (CMD_NONSTD+7) // 17
26 #define TD_RAWWRITE (CMD_NONSTD+8) // 18
27 #define TD_GETDRIVETYPE (CMD_NONSTD+9) // 19
28 #define TD_GETNUMTRACKS (CMD_NONSTD+10) // 20
29 #define TD_ADDCHANGEINT (CMD_NONSTD+11) // 21
30 #define TD_REMCHANGEINT (CMD_NONSTD+12) // 22
31 #define TD_GETGEOMETRY (CMD_NONSTD+13) // 23
32 #define TD_EJECT (CMD_NONSTD+14) // 24
33 #define TD_LASTCOMM (CMD_NONSTD+15) // 25
35 #define ETD_WRITE (CMD_WRITE|TDF_EXTCOM)
36 #define ETD_READ (CMD_READ|TDF_EXTCOM)
37 #define ETD_MOTOR (TD_MOTOR|TDF_EXTCOM)
38 #define ETD_SEEK (TD_SEEK|TDF_EXTCOM)
39 #define ETD_FORMAT (TD_FORMAT|TDF_EXTCOM)
40 #define ETD_UPDATE (CMD_UPDATE|TDF_EXTCOM)
41 #define ETD_CLEAR (CMD_CLEAR|TDF_EXTCOM)
42 #define ETD_RAWREAD (TD_RAWREAD|TDF_EXTCOM)
43 #define ETD_RAWWRITE (TD_RAWWRITE|TDF_EXTCOM)
47 #define NSCMD_DEVICEQUERY 0x4000
48 #define NSCMD_TD_READ64 0xC000
49 #define NSCMD_TD_WRITE64 0xC001
50 #define NSCMD_TD_SEEK64 0xC002
51 #define NSCMD_TD_FORMAT64 0xC003
53 #define RDB_BLOCK_LIMIT 16
56 #define RDB_IDENTIFIER 0x5244534B
58 #define PART_IDENTIFIER 0x50415254
60 #define FS_IDENTIFIER 0x46534844
62 #define PISCSI_DRIVER_OFFSET 0x1000
63 #define NUM_FILESYSTEMS 32
71 uint32_t num_partitions;
73 // Will parse max eight partitions per disk
74 struct PartitionBlock *pb[16];
75 struct RigidDiskBlock *rdb;
79 struct FileSysHeaderBlock * fhb;
82 struct hunk_reloc relocs[512];
83 struct hunk_info h_info;
87 // .long 0 /* dos disk name */
88 // .long 0 /* device file name */
90 // .long 0 /* flags */
92 uint32_t de_TableSize; /* Size of Environment vector */
93 uint32_t de_SizeBlock; /* in longwords: standard value is 128 */
94 uint32_t de_SecOrg; /* not used; must be 0 */
95 uint32_t de_Surfaces; /* # of heads (surfaces). drive specific */
96 uint32_t de_SectorPerBlock; /* not used; must be 1 */
97 uint32_t de_BlocksPerTrack; /* blocks per track. drive specific */
98 uint32_t de_Reserved; /* DOS reserved blocks at start of partition. */
99 uint32_t de_PreAlloc; /* DOS reserved blocks at end of partition */
100 uint32_t de_Interleave; /* usually 0 */
101 uint32_t de_LowCyl; /* starting cylinder. typically 0 */
102 uint32_t de_HighCyl; /* max cylinder. drive specific */
103 uint32_t de_NumBuffers; /* Initial # DOS of buffers. */
104 uint32_t de_BufMemType; /* type of mem to allocate for buffers */
105 uint32_t de_MaxTransfer; /* Max number of bytes to transfer at a time */
106 uint32_t de_Mask; /* Address Mask to block out certain memory */
107 int32_t de_BootPri; /* Boot priority for autoboot */
108 uint32_t de_DosType; /* ASCII (HEX) string showing filesystem type;
109 * 0X444F5300 is old filesystem,
110 * 0X444F5301 is fast file system */
111 uint32_t de_Baud; /* Baud rate for serial handler */
112 uint32_t de_Control; /* Control word for handler/filesystem */
113 uint32_t de_BootBlocks; /* Number of blocks containing boot code */
117 struct pihd_dosnode_data {
119 uint32_t dev_name_ptr;
126 uint32_t secs_per_block;
127 uint32_t blocks_per_track;
128 uint32_t reserved_blocks;
135 uint32_t maxtransfer;
136 uint32_t transfer_mask;
141 struct RigidDiskBlock {
143 uint32_t rdb_SummedLongs;
146 uint32_t rdb_BlockBytes;
148 /* block list heads */
149 uint32_t rdb_BadBlockList;
150 uint32_t rdb_PartitionList;
151 uint32_t rdb_FileSysHeaderList;
152 uint32_t rdb_DriveInit;
153 uint32_t rdb_Reserved1[6];
154 /* physical drive characteristics */
155 uint32_t rdb_Cylinders;
156 uint32_t rdb_Sectors;
158 uint32_t rdb_Interleave;
160 uint32_t rdb_Reserved2[3];
161 uint32_t rdb_WritePreComp;
162 uint32_t rdb_ReducedWrite;
163 uint32_t rdb_StepRate;
164 uint32_t rdb_Reserved3[5];
165 /* logical drive characteristics */
166 uint32_t rdb_RDBBlocksLo;
167 uint32_t rdb_RDBBlocksHi;
168 uint32_t rdb_LoCylinder;
169 uint32_t rdb_HiCylinder;
170 uint32_t rdb_CylBlocks;
171 uint32_t rdb_AutoParkSeconds;
172 uint32_t rdb_HighRDSKBlock;
173 uint32_t rdb_Reserved4;
174 /* drive identification */
175 char rdb_DiskVendor[8];
176 char rdb_DiskProduct[16];
177 char rdb_DiskRevision[4];
178 char rdb_ControllerVendor[8];
179 char rdb_ControllerProduct[16];
180 char rdb_ControllerRevision[4];
181 char rdb_DriveInitName[40];
190 uint32_t dn_StackSize;
194 uint32_t dn_GlobalVec;
198 struct PartitionBlock {
200 uint32_t pb_SummedLongs;
205 uint32_t pb_Reserved1[2];
206 uint32_t pb_DevFlags;
207 uint8_t pb_DriveName[32];
208 uint32_t pb_Reserved2[15];
209 uint32_t pb_Environment[20];
210 uint32_t pb_EReserved[12];
213 struct SCSICmd_ModeSense6 {
215 uint8_t reserved_dbd;
217 uint8_t subpage_code;
222 struct SCSICmd_RW10 {
224 uint8_t rdprotect_flags;
226 uint8_t res_groupnum;
231 struct FileSysHeaderBlock {
233 uint32_t fhb_SummedLongs;
238 uint32_t fhb_Reserved1[2];
239 uint32_t fhb_DosType;
240 uint32_t fhb_Version;
241 uint32_t fhb_PatchFlags;
245 uint32_t fhb_Handler;
246 uint32_t fhb_StackSize;
247 int32_t fhb_Priority;
249 int32_t fhb_SegListBlocks;
250 int32_t fhb_GlobalVec;
251 uint32_t fhb_Reserved2[23];
252 uint8_t fhb_FileSysName[84];
256 void piscsi_map_drive(char *filename, uint8_t index);
258 void handle_piscsi_write(uint32_t addr, uint32_t val, uint8_t type);
259 uint32_t handle_piscsi_read(uint32_t addr, uint8_t type);
261 void piscsi_find_filesystems(struct piscsi_dev *d);
262 void piscsi_refresh_drives();