[WIP] Pile of stuff

[pistorm] / platforms / amiga / piscsi / piscsi.h

diff --git a/platforms/amiga/piscsi/piscsi.h b/platforms/amiga/piscsi/piscsi.h
index 562b81f8a32d1963ada18d1edef6a675aabcac9f..7940a4f887b5fcb4f7a4bed936a5620eed878a5a 100644 (file)
--- a/platforms/amiga/piscsi/piscsi.h
+++ b/platforms/amiga/piscsi/piscsi.h
@@ -1,3 +1,54 @@
+#define        TDF_EXTCOM (1<<15)
+
+#define CMD_INVALID    0
+#define CMD_RESET      1
+#define CMD_READ       2
+#define CMD_WRITE      3
+#define CMD_UPDATE     4
+#define CMD_CLEAR      5
+#define CMD_STOP       6
+#define CMD_START      7
+#define CMD_FLUSH      8
+#define CMD_NONSTD     9
+
+#define        TD_MOTOR        (CMD_NONSTD+0)      // 9
+#define        TD_SEEK         (CMD_NONSTD+1)      // 10
+#define        TD_FORMAT       (CMD_NONSTD+2)      // 11
+#define        TD_REMOVE       (CMD_NONSTD+3)      // 12
+#define        TD_CHANGENUM    (CMD_NONSTD+4)  // 13
+#define        TD_CHANGESTATE  (CMD_NONSTD+5)  // 15
+#define        TD_PROTSTATUS   (CMD_NONSTD+6)  // 16
+#define        TD_RAWREAD      (CMD_NONSTD+7)      // 17
+#define        TD_RAWWRITE     (CMD_NONSTD+8)      // 18
+#define        TD_GETDRIVETYPE (CMD_NONSTD+9)  // 19
+#define        TD_GETNUMTRACKS (CMD_NONSTD+10) // 20
+#define        TD_ADDCHANGEINT (CMD_NONSTD+11) // 21
+#define        TD_REMCHANGEINT (CMD_NONSTD+12) // 22
+#define TD_GETGEOMETRY (CMD_NONSTD+13) // 23
+#define TD_EJECT       (CMD_NONSTD+14)     // 24
+#define        TD_LASTCOMM     (CMD_NONSTD+15)     // 25
+
+#define        ETD_WRITE       (CMD_WRITE|TDF_EXTCOM)
+#define        ETD_READ        (CMD_READ|TDF_EXTCOM)
+#define        ETD_MOTOR       (TD_MOTOR|TDF_EXTCOM)
+#define        ETD_SEEK        (TD_SEEK|TDF_EXTCOM)
+#define        ETD_FORMAT      (TD_FORMAT|TDF_EXTCOM)
+#define        ETD_UPDATE      (CMD_UPDATE|TDF_EXTCOM)
+#define        ETD_CLEAR       (CMD_CLEAR|TDF_EXTCOM)
+#define        ETD_RAWREAD     (TD_RAWREAD|TDF_EXTCOM)
+#define        ETD_RAWWRITE    (TD_RAWWRITE|TDF_EXTCOM)
+
+#define HD_SCSICMD 28
+
+#define NSCMD_DEVICEQUERY 0x4000
+#define NSCMD_TD_READ64   0xC000
+#define NSCMD_TD_WRITE64  0xC001
+#define NSCMD_TD_SEEK64   0xC002
+#define NSCMD_TD_FORMAT64 0xC003
+
+#define RDB_BLOCK_LIMIT 16
+#define RDB_IDENTIFIER 0x5244534B
+
 void piscsi_init();
 void piscsi_map_drive(char *filename, uint8_t index);
 
@@ -12,4 +63,113 @@ struct piscsi_dev {
     uint64_t fs;
     int32_t fd;
     uint32_t lba;
+    // Will parse max eight partitions per disk
+    struct PartitionBlock *pb[16];
+    struct RigidDiskBlock *rdb;
+};
+
+/*
+dosnode: \
+//  .long 0 /* dos disk name */
+//  .long 0 /* device file name */
+//  .long 0 /* unit */
+//  .long 0 /* flags */
+//  .long 16 /* length of node? */
+//  .long 128 /* longs in a block */
+//  .long 0
+//  .long 4 /* surfaces */
+//  .long 1 /* sectors per block */
+//  .long 256 /* blocks per track */
+//  .long 2 /* reserved bootblocks 256 = 128KB */
+//  .long 0
+//  .long 0
+//  .long 2  /* lowcyl FIXME */
+//  /*.long 2047*/ /* hicyl */
+//  .long 10 /* buffers */
+//  .long 0 /* MEMF_ANY */
+//  .long 0x0001fe00 /* MAXTRANS */
+//  .long 0x7ffffffe /* Mask */
+//  .long -1 /* boot prio */
+//  .long 0x444f5303 /* dostype: DOS3 */1
+
+struct pihd_dosnode_data {
+    uint32_t name_ptr;
+    uint32_t dev_name_ptr;
+    uint32_t unit;
+    uint32_t flags;
+    uint32_t node_len;
+    uint32_t block_len;
+    uint32_t pad1;
+    uint32_t surf;
+    uint32_t secs_per_block;
+    uint32_t blocks_per_track;
+    uint32_t reserved_blocks;
+    uint32_t pad2;
+    uint32_t pad3;
+    uint32_t lowcyl;
+    uint32_t highcyl;
+    uint32_t buffers;
+    uint32_t mem_type;
+    uint32_t maxtransfer;
+    uint32_t transfer_mask;
+    uint32_t priority;
+    uint32_t dostype;
+};
+
+struct RigidDiskBlock {
+    uint32_t   rdb_ID;
+    uint32_t   rdb_SummedLongs;
+    int32_t    rdb_ChkSum;
+    uint32_t   rdb_HostID;
+    uint32_t   rdb_BlockBytes;
+    uint32_t   rdb_Flags;
+    /* block list heads */
+    uint32_t   rdb_BadBlockList;
+    uint32_t   rdb_PartitionList;
+    uint32_t   rdb_FileSysHeaderList;
+    uint32_t   rdb_DriveInit;
+    uint32_t   rdb_Reserved1[6];
+    /* physical drive characteristics */
+    uint32_t   rdb_Cylinders;
+    uint32_t   rdb_Sectors;
+    uint32_t   rdb_Heads;
+    uint32_t   rdb_Interleave;
+    uint32_t   rdb_Park;
+    uint32_t   rdb_Reserved2[3];
+    uint32_t   rdb_WritePreComp;
+    uint32_t   rdb_ReducedWrite;
+    uint32_t   rdb_StepRate;
+    uint32_t   rdb_Reserved3[5];
+    /* logical drive characteristics */
+    uint32_t   rdb_RDBBlocksLo;
+    uint32_t   rdb_RDBBlocksHi;
+    uint32_t   rdb_LoCylinder;
+    uint32_t   rdb_HiCylinder;
+    uint32_t   rdb_CylBlocks;
+    uint32_t   rdb_AutoParkSeconds;
+    uint32_t   rdb_HighRDSKBlock;
+    uint32_t   rdb_Reserved4;
+    /* drive identification */
+    char    rdb_DiskVendor[8];
+    char    rdb_DiskProduct[16];
+    char    rdb_DiskRevision[4];
+    char    rdb_ControllerVendor[8];
+    char    rdb_ControllerProduct[16];
+    char    rdb_ControllerRevision[4];
+    char    rdb_DriveInitName[40];
+};
+
+struct PartitionBlock {
+    uint32_t   pb_ID;
+    uint32_t   pb_SummedLongs;
+    int32_t    pb_ChkSum;
+    uint32_t   pb_HostID;
+    uint32_t   pb_Next;
+    uint32_t   pb_Flags;
+    uint32_t   pb_Reserved1[2];
+    uint32_t   pb_DevFlags;
+    uint8_t    pb_DriveName[32];
+    uint32_t   pb_Reserved2[15];
+    uint32_t   pb_Environment[20];
+    uint32_t   pb_EReserved[12];
 };