| 1 |
|
/* |
| 2 |
|
* sys_amiga.cpp - System dependent routines, Amiga implementation |
| 3 |
|
* |
| 4 |
< |
* Basilisk II (C) 1997-1999 Christian Bauer |
| 4 |
> |
* Basilisk II (C) 1997-2000 Christian Bauer |
| 5 |
|
* |
| 6 |
|
* This program is free software; you can redistribute it and/or modify |
| 7 |
|
* it under the terms of the GNU General Public License as published by |
| 52 |
|
ULONG block_size; // Block size of device (must be a power of two) |
| 53 |
|
bool is_nsd; // New style device? |
| 54 |
|
bool does_64bit; // Supports 64 bit trackdisk commands? |
| 55 |
+ |
bool is_ejected; // Volume has been (logically) ejected |
| 56 |
+ |
bool is_2060scsi; // Enable workaround for 2060scsi.device CD-ROM TD_READ bug |
| 57 |
|
}; |
| 58 |
|
|
| 59 |
|
|
| 91 |
|
void SysExit(void) |
| 92 |
|
{ |
| 93 |
|
// Delete port and temporary buffer |
| 94 |
< |
if (the_port) |
| 94 |
> |
if (the_port) { |
| 95 |
|
DeleteMsgPort(the_port); |
| 96 |
< |
if (tmp_buf) |
| 96 |
> |
the_port = NULL; |
| 97 |
> |
} |
| 98 |
> |
if (tmp_buf) { |
| 99 |
|
FreeMem(tmp_buf, TMP_BUF_SIZE); |
| 100 |
+ |
tmp_buf = NULL; |
| 101 |
+ |
} |
| 102 |
|
} |
| 103 |
|
|
| 104 |
|
|
| 109 |
|
|
| 110 |
|
void SysAddFloppyPrefs(void) |
| 111 |
|
{ |
| 106 |
– |
#if 0 |
| 112 |
|
for (int i=0; i<4; i++) { |
| 113 |
|
ULONG id = GetUnitID(i); |
| 114 |
|
if (id == DRT_150RPM) { // We need an HD drive |
| 115 |
|
char str[256]; |
| 116 |
< |
sprintf(str, "/dev/mfm.device/%d/0/0/1474560/512", i); |
| 116 |
> |
sprintf(str, "/dev/mfm.device/%d/0/0/2880/512", i); |
| 117 |
|
PrefsAddString("floppy", str); |
| 118 |
|
} |
| 119 |
|
} |
| 115 |
– |
#endif |
| 120 |
|
} |
| 121 |
|
|
| 122 |
|
|
| 261 |
|
fh->block_size = dev_bsize; |
| 262 |
|
fh->is_nsd = is_nsd; |
| 263 |
|
fh->does_64bit = does_64bit; |
| 264 |
+ |
fh->is_ejected = false; |
| 265 |
+ |
fh->is_2060scsi = (strcmp(dev_name, "2060scsi.device") == 0); |
| 266 |
|
return fh; |
| 267 |
|
} |
| 268 |
|
} |
| 319 |
|
fh->io->io_Length = length; |
| 320 |
|
fh->io->io_Offset = offset; |
| 321 |
|
fh->io->io_Data = data; |
| 322 |
< |
if (DoIO((struct IORequest *)fh->io) || fh->io->io_Actual != length) |
| 323 |
< |
return 0; |
| 324 |
< |
return fh->io->io_Actual; |
| 322 |
> |
|
| 323 |
> |
if (fh->is_2060scsi && fh->block_size == 2048) { |
| 324 |
> |
|
| 325 |
> |
// 2060scsi.device has serious problems reading CD-ROMs via TD_READ |
| 326 |
> |
static struct SCSICmd scsi; |
| 327 |
> |
const int SENSE_LENGTH = 256; |
| 328 |
> |
static UBYTE sense_buffer[SENSE_LENGTH]; // Buffer for autosense data |
| 329 |
> |
static UBYTE cmd_buffer[10] = { 0x28, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; |
| 330 |
> |
|
| 331 |
> |
D(bug("send_io_request length=%lu offset=%lu\n", length, (ULONG) offset)); |
| 332 |
> |
|
| 333 |
> |
memset(sense_buffer, 0, sizeof(sense_buffer)); |
| 334 |
> |
|
| 335 |
> |
scsi.scsi_Command = cmd_buffer; |
| 336 |
> |
scsi.scsi_CmdLength = sizeof(cmd_buffer); |
| 337 |
> |
scsi.scsi_SenseData = sense_buffer; |
| 338 |
> |
scsi.scsi_SenseLength = SENSE_LENGTH; |
| 339 |
> |
scsi.scsi_Flags = SCSIF_AUTOSENSE | (writing ? SCSIF_WRITE : SCSIF_READ); |
| 340 |
> |
scsi.scsi_Data = (UWORD *) data; |
| 341 |
> |
scsi.scsi_Length = length; |
| 342 |
> |
|
| 343 |
> |
ULONG block_offset = (ULONG) offset / fh->block_size; |
| 344 |
> |
ULONG block_length = length / fh->block_size; |
| 345 |
> |
|
| 346 |
> |
cmd_buffer[2] = block_offset >> 24; |
| 347 |
> |
cmd_buffer[3] = block_offset >> 16; |
| 348 |
> |
cmd_buffer[4] = block_offset >> 8; |
| 349 |
> |
cmd_buffer[5] = block_offset & 0xff; |
| 350 |
> |
|
| 351 |
> |
cmd_buffer[7] = block_length >> 8; |
| 352 |
> |
cmd_buffer[8] = block_length & 0xff; |
| 353 |
> |
|
| 354 |
> |
fh->io->io_Command = HD_SCSICMD; |
| 355 |
> |
fh->io->io_Actual = 0; |
| 356 |
> |
fh->io->io_Offset = 0; |
| 357 |
> |
fh->io->io_Data = &scsi; |
| 358 |
> |
fh->io->io_Length = sizeof(scsi); |
| 359 |
> |
|
| 360 |
> |
BYTE result = DoIO((struct IORequest *)fh->io); |
| 361 |
> |
|
| 362 |
> |
if (result) { |
| 363 |
> |
D(bug("send_io_request SCSI FAIL result=%lu\n", result)); |
| 364 |
> |
|
| 365 |
> |
if (result == HFERR_BadStatus) { |
| 366 |
> |
D(bug("send_io_request SCSI Status=%lu\n", scsi.scsi_Status)); |
| 367 |
> |
if (scsi.scsi_Status == 2) { |
| 368 |
> |
D(bug("send_io_request Sense Key=%02lx\n", sense_buffer[2] & 0x0f)); |
| 369 |
> |
D(bug("send_io_request ASC=%02lx ASCQ=%02lx\n", sense_buffer[12], sense_buffer[13])); |
| 370 |
> |
} |
| 371 |
> |
} |
| 372 |
> |
return 0; |
| 373 |
> |
} |
| 374 |
> |
|
| 375 |
> |
D(bug("send_io_request SCSI Actual=%lu\n", scsi.scsi_Actual)); |
| 376 |
> |
|
| 377 |
> |
if (scsi.scsi_Actual != length) |
| 378 |
> |
return 0; |
| 379 |
> |
|
| 380 |
> |
return scsi.scsi_Actual; |
| 381 |
> |
|
| 382 |
> |
} else { |
| 383 |
> |
|
| 384 |
> |
if (DoIO((struct IORequest *)fh->io) || fh->io->io_Actual != length) |
| 385 |
> |
return 0; |
| 386 |
> |
return fh->io->io_Actual; |
| 387 |
> |
} |
| 388 |
|
} |
| 389 |
|
|
| 390 |
|
|
| 597 |
|
fh->io->io_Command = TD_EJECT; |
| 598 |
|
fh->io->io_Length = 1; |
| 599 |
|
DoIO((struct IORequest *)fh->io); |
| 600 |
+ |
|
| 601 |
+ |
fh->is_ejected = true; |
| 602 |
|
} |
| 603 |
|
} |
| 604 |
|
|
| 636 |
|
} else { |
| 637 |
|
|
| 638 |
|
// Device, check write protection |
| 568 |
– |
fh->io->io_Flags = IOF_QUICK; |
| 639 |
|
fh->io->io_Command = TD_PROTSTATUS; |
| 640 |
< |
BeginIO((struct IORequest *)fh->io); |
| 640 |
> |
DoIO((struct IORequest *)fh->io); |
| 641 |
|
if (fh->io->io_Actual) |
| 642 |
|
return true; |
| 643 |
|
else |
| 675 |
|
else { |
| 676 |
|
|
| 677 |
|
// Check medium status |
| 608 |
– |
fh->io->io_Flags = IOF_QUICK; |
| 678 |
|
fh->io->io_Command = TD_CHANGESTATE; |
| 679 |
|
fh->io->io_Actual = 0; |
| 680 |
< |
BeginIO((struct IORequest *)fh->io); |
| 681 |
< |
return fh->io->io_Actual == 0; |
| 680 |
> |
DoIO((struct IORequest *)fh->io); |
| 681 |
> |
bool inserted = (fh->io->io_Actual == 0); |
| 682 |
> |
|
| 683 |
> |
if (!inserted) { |
| 684 |
> |
// Disk was ejected and has now been taken out |
| 685 |
> |
fh->is_ejected = false; |
| 686 |
> |
} |
| 687 |
> |
|
| 688 |
> |
if (fh->is_ejected) { |
| 689 |
> |
// Disk was ejected but has not yet been taken out, report it as |
| 690 |
> |
// no longer in the drive |
| 691 |
> |
return false; |
| 692 |
> |
} else |
| 693 |
> |
return inserted; |
| 694 |
|
} |
| 695 |
|
} |
| 696 |
|
|
