1 |
/* |
2 |
* sys_unix.cpp - System dependent routines, Unix implementation |
3 |
* |
4 |
* Basilisk II (C) 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 |
8 |
* the Free Software Foundation; either version 2 of the License, or |
9 |
* (at your option) any later version. |
10 |
* |
11 |
* This program is distributed in the hope that it will be useful, |
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
* GNU General Public License for more details. |
15 |
* |
16 |
* You should have received a copy of the GNU General Public License |
17 |
* along with this program; if not, write to the Free Software |
18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 |
*/ |
20 |
|
21 |
#include "sysdeps.h" |
22 |
|
23 |
#include <sys/ioctl.h> |
24 |
#include <sys/stat.h> |
25 |
#include <errno.h> |
26 |
|
27 |
#ifdef HAVE_AVAILABILITYMACROS_H |
28 |
#include <AvailabilityMacros.h> |
29 |
#endif |
30 |
|
31 |
#ifdef __linux__ |
32 |
#include <sys/mount.h> |
33 |
#include <linux/cdrom.h> |
34 |
#include <linux/fd.h> |
35 |
#include <linux/major.h> |
36 |
#include <linux/kdev_t.h> |
37 |
#include <dirent.h> |
38 |
#include <limits.h> |
39 |
#endif |
40 |
|
41 |
#if defined(__FreeBSD__) || defined(__NetBSD__) |
42 |
#include <sys/cdio.h> |
43 |
#endif |
44 |
|
45 |
#if defined __APPLE__ && defined __MACH__ |
46 |
#include <sys/disk.h> |
47 |
#if (defined AQUA || defined HAVE_FRAMEWORK_COREFOUNDATION) |
48 |
#ifndef __MACOSX__ |
49 |
#define __MACOSX__ MAC_OS_X_VERSION_MIN_REQUIRED |
50 |
#endif |
51 |
#endif |
52 |
#endif |
53 |
|
54 |
#include "main.h" |
55 |
#include "macos_util.h" |
56 |
#include "prefs.h" |
57 |
#include "user_strings.h" |
58 |
#include "sys.h" |
59 |
|
60 |
#if defined(BINCUE) |
61 |
#include "bincue_unix.h" |
62 |
#endif |
63 |
|
64 |
#if defined(HAVE_LIBVHD) |
65 |
#include "vhd_unix.h" |
66 |
#endif |
67 |
|
68 |
|
69 |
#define DEBUG 0 |
70 |
#include "debug.h" |
71 |
|
72 |
// File handles are pointers to these structures |
73 |
struct mac_file_handle { |
74 |
char *name; // Copy of device/file name |
75 |
int fd; |
76 |
|
77 |
bool is_file; // Flag: plain file or /dev/something? |
78 |
bool is_floppy; // Flag: floppy device |
79 |
bool is_cdrom; // Flag: CD-ROM device |
80 |
bool read_only; // Copy of Sys_open() flag |
81 |
|
82 |
loff_t start_byte; // Size of file header (if any) |
83 |
loff_t file_size; // Size of file data (only valid if is_file is true) |
84 |
|
85 |
bool is_media_present; // Flag: media is inserted and available |
86 |
|
87 |
#if defined(__linux__) |
88 |
int cdrom_cap; // CD-ROM capability flags (only valid if is_cdrom is true) |
89 |
#elif defined(__FreeBSD__) |
90 |
struct ioc_capability cdrom_cap; |
91 |
#elif defined(__APPLE__) && defined(__MACH__) |
92 |
char *ioctl_name; // For CDs on OS X - a device for special ioctls |
93 |
int ioctl_fd; |
94 |
#endif |
95 |
|
96 |
#if defined(BINCUE) |
97 |
bool is_bincue; // Flag: BIN CUE file |
98 |
void *bincue_fd; |
99 |
#endif |
100 |
|
101 |
#if defined(HAVE_LIBVHD) |
102 |
bool is_vhd; // Flag: VHD file |
103 |
void *vhd_fd; |
104 |
#endif |
105 |
}; |
106 |
|
107 |
// Open file handles |
108 |
struct open_mac_file_handle { |
109 |
mac_file_handle *fh; |
110 |
open_mac_file_handle *next; |
111 |
}; |
112 |
static open_mac_file_handle *open_mac_file_handles = NULL; |
113 |
|
114 |
// File handle of first floppy drive (for SysMountFirstFloppy()) |
115 |
static mac_file_handle *first_floppy = NULL; |
116 |
|
117 |
// Prototypes |
118 |
static void cdrom_close(mac_file_handle *fh); |
119 |
static bool cdrom_open(mac_file_handle *fh, const char *path = NULL); |
120 |
|
121 |
|
122 |
/* |
123 |
* Initialization |
124 |
*/ |
125 |
|
126 |
void SysInit(void) |
127 |
{ |
128 |
#if defined __MACOSX__ |
129 |
extern void DarwinSysInit(void); |
130 |
DarwinSysInit(); |
131 |
#endif |
132 |
} |
133 |
|
134 |
|
135 |
/* |
136 |
* Deinitialization |
137 |
*/ |
138 |
|
139 |
void SysExit(void) |
140 |
{ |
141 |
#if defined __MACOSX__ |
142 |
extern void DarwinSysExit(void); |
143 |
DarwinSysExit(); |
144 |
#endif |
145 |
} |
146 |
|
147 |
|
148 |
/* |
149 |
* Manage open file handles |
150 |
*/ |
151 |
|
152 |
static void sys_add_mac_file_handle(mac_file_handle *fh) |
153 |
{ |
154 |
open_mac_file_handle *p = new open_mac_file_handle; |
155 |
p->fh = fh; |
156 |
p->next = open_mac_file_handles; |
157 |
open_mac_file_handles = p; |
158 |
} |
159 |
|
160 |
static void sys_remove_mac_file_handle(mac_file_handle *fh) |
161 |
{ |
162 |
open_mac_file_handle *p = open_mac_file_handles; |
163 |
open_mac_file_handle *q = NULL; |
164 |
|
165 |
while (p) { |
166 |
if (p->fh == fh) { |
167 |
if (q) |
168 |
q->next = p->next; |
169 |
else |
170 |
open_mac_file_handles = p->next; |
171 |
delete p; |
172 |
break; |
173 |
} |
174 |
q = p; |
175 |
p = p->next; |
176 |
} |
177 |
} |
178 |
|
179 |
|
180 |
/* |
181 |
* Account for media that has just arrived |
182 |
*/ |
183 |
|
184 |
void SysMediaArrived(const char *path, int type) |
185 |
{ |
186 |
// Replace the "cdrom" entry (we are polling, it's unique) |
187 |
if (type == MEDIA_CD && !PrefsFindBool("nocdrom")) |
188 |
PrefsReplaceString("cdrom", path); |
189 |
|
190 |
// Wait for media to be available for reading |
191 |
if (open_mac_file_handles) { |
192 |
const int MAX_WAIT = 5; |
193 |
for (int i = 0; i < MAX_WAIT; i++) { |
194 |
if (access(path, R_OK) == 0) |
195 |
break; |
196 |
switch (errno) { |
197 |
case ENOENT: // Unlikely |
198 |
case EACCES: // MacOS X is mounting the media |
199 |
sleep(1); |
200 |
continue; |
201 |
} |
202 |
printf("WARNING: Cannot access %s (%s)\n", path, strerror(errno)); |
203 |
return; |
204 |
} |
205 |
} |
206 |
|
207 |
for (open_mac_file_handle *p = open_mac_file_handles; p != NULL; p = p->next) { |
208 |
mac_file_handle * const fh = p->fh; |
209 |
|
210 |
// Re-open CD-ROM device |
211 |
if (fh->is_cdrom && type == MEDIA_CD) { |
212 |
cdrom_close(fh); |
213 |
if (cdrom_open(fh, path)) { |
214 |
fh->is_media_present = true; |
215 |
MountVolume(fh); |
216 |
} |
217 |
} |
218 |
} |
219 |
} |
220 |
|
221 |
|
222 |
/* |
223 |
* Account for media that has just been removed |
224 |
*/ |
225 |
|
226 |
void SysMediaRemoved(const char *path, int type) |
227 |
{ |
228 |
if ((type & MEDIA_REMOVABLE) != MEDIA_CD) |
229 |
return; |
230 |
|
231 |
for (open_mac_file_handle *p = open_mac_file_handles; p != NULL; p = p->next) { |
232 |
mac_file_handle * const fh = p->fh; |
233 |
|
234 |
// Mark media as not available |
235 |
if (!fh->is_cdrom || !fh->is_media_present) |
236 |
continue; |
237 |
if (fh->name && strcmp(fh->name, path) == 0) { |
238 |
fh->is_media_present = false; |
239 |
break; |
240 |
} |
241 |
#if defined __MACOSX__ |
242 |
if (fh->ioctl_name && strcmp(fh->ioctl_name, path) == 0) { |
243 |
fh->is_media_present = false; |
244 |
break; |
245 |
} |
246 |
#endif |
247 |
} |
248 |
} |
249 |
|
250 |
|
251 |
/* |
252 |
* Mount first floppy disk |
253 |
*/ |
254 |
|
255 |
void SysMountFirstFloppy(void) |
256 |
{ |
257 |
if (first_floppy) |
258 |
MountVolume(first_floppy); |
259 |
} |
260 |
|
261 |
|
262 |
/* |
263 |
* This gets called when no "floppy" prefs items are found |
264 |
* It scans for available floppy drives and adds appropriate prefs items |
265 |
*/ |
266 |
|
267 |
void SysAddFloppyPrefs(void) |
268 |
{ |
269 |
#if defined(__linux__) |
270 |
DIR *fd_dir = opendir("/dev/floppy"); |
271 |
if (fd_dir) { |
272 |
struct dirent *floppy_dev; |
273 |
while ((floppy_dev = readdir(fd_dir)) != NULL) { |
274 |
if (strstr(floppy_dev->d_name, "u1440") != NULL) { |
275 |
char fd_dev[20]; |
276 |
sprintf(fd_dev, "/dev/floppy/%s", floppy_dev->d_name); |
277 |
PrefsAddString("floppy", fd_dev); |
278 |
} |
279 |
} |
280 |
closedir(fd_dir); |
281 |
} else { |
282 |
PrefsAddString("floppy", "/dev/fd0"); |
283 |
PrefsAddString("floppy", "/dev/fd1"); |
284 |
} |
285 |
#elif defined(__NetBSD__) |
286 |
PrefsAddString("floppy", "/dev/fd0a"); |
287 |
PrefsAddString("floppy", "/dev/fd1a"); |
288 |
#elif defined(__APPLE__) && defined(__MACH__) |
289 |
#if defined(AQUA) || defined(HAVE_FRAMEWORK_COREFOUNDATION) |
290 |
extern void DarwinAddFloppyPrefs(void); |
291 |
|
292 |
DarwinAddFloppyPrefs(); |
293 |
#else |
294 |
// Until I can convince the other guys that my Darwin code is useful, |
295 |
// we just add something safe (a non-existant device): |
296 |
PrefsAddString("floppy", "/dev/null"); |
297 |
#endif |
298 |
#else |
299 |
PrefsAddString("floppy", "/dev/fd0"); |
300 |
PrefsAddString("floppy", "/dev/fd1"); |
301 |
#endif |
302 |
} |
303 |
|
304 |
|
305 |
/* |
306 |
* This gets called when no "disk" prefs items are found |
307 |
* It scans for available HFS volumes and adds appropriate prefs items |
308 |
* On OS X, we could do the same, but on an OS X machine I think it is |
309 |
* very unlikely that any mounted volumes would contain a system which |
310 |
* is old enough to boot a 68k Mac, so we just do nothing here for now. |
311 |
*/ |
312 |
|
313 |
void SysAddDiskPrefs(void) |
314 |
{ |
315 |
#ifdef __linux__ |
316 |
FILE *f = fopen("/etc/fstab", "r"); |
317 |
if (f) { |
318 |
char line[256]; |
319 |
while(fgets(line, 255, f)) { |
320 |
// Read line |
321 |
int len = strlen(line); |
322 |
if (len == 0 || line[0] == '#') |
323 |
continue; |
324 |
line[len-1] = 0; |
325 |
|
326 |
// Parse line |
327 |
char *dev, *mnt_point, *fstype; |
328 |
if (sscanf(line, "%as %as %as", &dev, &mnt_point, &fstype) == 3) { |
329 |
if (strcmp(fstype, "hfs") == 0) |
330 |
PrefsAddString("disk", dev); |
331 |
} |
332 |
free(dev); free(mnt_point); free(fstype); |
333 |
} |
334 |
fclose(f); |
335 |
} |
336 |
#endif |
337 |
} |
338 |
|
339 |
|
340 |
/* |
341 |
* This gets called when no "cdrom" prefs items are found |
342 |
* It scans for available CD-ROM drives and adds appropriate prefs items |
343 |
*/ |
344 |
|
345 |
void SysAddCDROMPrefs(void) |
346 |
{ |
347 |
// Don't scan for drives if nocdrom option given |
348 |
if (PrefsFindBool("nocdrom")) |
349 |
return; |
350 |
|
351 |
#if defined(__linux__) |
352 |
if (access("/dev/.devfsd", F_OK) < 0) |
353 |
PrefsAddString("cdrom", "/dev/cdrom"); |
354 |
else { |
355 |
DIR *cd_dir = opendir("/dev/cdroms"); |
356 |
if (cd_dir) { |
357 |
struct dirent *cdrom_dev; |
358 |
while ((cdrom_dev = readdir(cd_dir)) != NULL) { |
359 |
if (strcmp(cdrom_dev->d_name, ".") != 0 && strcmp(cdrom_dev->d_name, "..") != 0) { |
360 |
char cd_dev[20]; |
361 |
sprintf(cd_dev, "/dev/cdroms/%s", cdrom_dev->d_name); |
362 |
PrefsAddString("cdrom", cd_dev); |
363 |
} |
364 |
} |
365 |
closedir(cd_dir); |
366 |
} |
367 |
} |
368 |
#elif defined __MACOSX__ |
369 |
// There is no predefined path for CD-ROMs on MacOS X. Rather, we |
370 |
// define a single fake CD-ROM entry for the emulated MacOS. |
371 |
// XXX this means we handle only CD-ROM drive at a time, wherever |
372 |
// the disk is, the latest one is used. |
373 |
PrefsAddString("cdrom", "/dev/poll/cdrom"); |
374 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
375 |
PrefsAddString("cdrom", "/dev/cd0c"); |
376 |
#endif |
377 |
} |
378 |
|
379 |
|
380 |
/* |
381 |
* Add default serial prefs (must be added, even if no ports present) |
382 |
*/ |
383 |
|
384 |
void SysAddSerialPrefs(void) |
385 |
{ |
386 |
#if defined(__linux__) |
387 |
if (access("/dev/.devfsd", F_OK) < 0) { |
388 |
PrefsAddString("seriala", "/dev/ttyS0"); |
389 |
PrefsAddString("serialb", "/dev/ttyS1"); |
390 |
} else { |
391 |
PrefsAddString("seriala", "/dev/tts/0"); |
392 |
PrefsAddString("serialb", "/dev/tts/1"); |
393 |
} |
394 |
#elif defined(__FreeBSD__) |
395 |
PrefsAddString("seriala", "/dev/cuaa0"); |
396 |
PrefsAddString("serialb", "/dev/cuaa1"); |
397 |
#elif defined(__NetBSD__) |
398 |
PrefsAddString("seriala", "/dev/tty00"); |
399 |
PrefsAddString("serialb", "/dev/tty01"); |
400 |
#elif defined(__APPLE__) && defined(__MACH__) |
401 |
#if defined(AQUA) || defined(HAVE_FRAMEWORK_COREFOUNDATION) |
402 |
extern void DarwinAddSerialPrefs(void); |
403 |
|
404 |
DarwinAddSerialPrefs(); |
405 |
#else |
406 |
// Until I can convince the other guys that my Darwin code is useful, |
407 |
// we just add something safe (non-existant devices): |
408 |
PrefsAddString("seriala", "/dev/null"); |
409 |
PrefsAddString("serialb", "/dev/null"); |
410 |
#endif |
411 |
#endif |
412 |
} |
413 |
|
414 |
|
415 |
/* |
416 |
* Open CD-ROM device and initialize internal data |
417 |
*/ |
418 |
|
419 |
static bool cdrom_open_1(mac_file_handle *fh) |
420 |
{ |
421 |
#if defined __MACOSX__ |
422 |
// In OS X, the device name is OK for sending ioctls to, |
423 |
// but not for reading raw CDROM data from. |
424 |
// (it seems to have extra data padded in) |
425 |
// |
426 |
// So, we keep the already opened file handle, |
427 |
// and open a slightly different file for CDROM data |
428 |
// |
429 |
fh->ioctl_fd = fh->fd; |
430 |
fh->ioctl_name = fh->name; |
431 |
fh->fd = -1; |
432 |
fh->name = (char *)malloc(strlen(fh->ioctl_name) + 3); |
433 |
if (fh->name) { |
434 |
strcpy(fh->name, fh->ioctl_name); |
435 |
strcat(fh->name, "s1"); |
436 |
fh->fd = open(fh->name, O_RDONLY, O_NONBLOCK); |
437 |
} |
438 |
if (fh->ioctl_fd < 0) |
439 |
return false; |
440 |
#endif |
441 |
return true; |
442 |
} |
443 |
|
444 |
bool cdrom_open(mac_file_handle *fh, const char *path) |
445 |
{ |
446 |
if (path) |
447 |
fh->name = strdup(path); |
448 |
fh->fd = open(fh->name, O_RDONLY, O_NONBLOCK); |
449 |
fh->start_byte = 0; |
450 |
if (!cdrom_open_1(fh)) |
451 |
return false; |
452 |
return fh->fd >= 0; |
453 |
} |
454 |
|
455 |
|
456 |
/* |
457 |
* Close a CD-ROM device |
458 |
*/ |
459 |
|
460 |
void cdrom_close(mac_file_handle *fh) |
461 |
{ |
462 |
|
463 |
if (fh->fd >= 0) { |
464 |
close(fh->fd); |
465 |
fh->fd = -1; |
466 |
} |
467 |
if (fh->name) { |
468 |
free(fh->name); |
469 |
fh->name = NULL; |
470 |
} |
471 |
#if defined __MACOSX__ |
472 |
if (fh->ioctl_fd >= 0) { |
473 |
close(fh->ioctl_fd); |
474 |
fh->ioctl_fd = -1; |
475 |
} |
476 |
if (fh->ioctl_name) { |
477 |
free(fh->ioctl_name); |
478 |
fh->ioctl_name = NULL; |
479 |
} |
480 |
#endif |
481 |
} |
482 |
|
483 |
|
484 |
/* |
485 |
* Check if device is a mounted HFS volume, get mount name |
486 |
*/ |
487 |
|
488 |
static bool is_drive_mounted(const char *dev_name, char *mount_name) |
489 |
{ |
490 |
#ifdef __linux__ |
491 |
FILE *f = fopen("/proc/mounts", "r"); |
492 |
if (f) { |
493 |
char line[256]; |
494 |
while(fgets(line, 255, f)) { |
495 |
// Read line |
496 |
int len = strlen(line); |
497 |
if (len == 0) |
498 |
continue; |
499 |
line[len-1] = 0; |
500 |
|
501 |
// Parse line |
502 |
if (strncmp(line, dev_name, strlen(dev_name)) == 0) { |
503 |
mount_name[0] = 0; |
504 |
char *dummy; |
505 |
sscanf(line, "%as %s", &dummy, mount_name); |
506 |
free(dummy); |
507 |
fclose(f); |
508 |
return true; |
509 |
} |
510 |
} |
511 |
fclose(f); |
512 |
} |
513 |
#endif |
514 |
return false; |
515 |
} |
516 |
|
517 |
|
518 |
/* |
519 |
* Open file/device, create new file handle (returns NULL on error) |
520 |
*/ |
521 |
|
522 |
static mac_file_handle *open_filehandle(const char *name) |
523 |
{ |
524 |
mac_file_handle *fh = new mac_file_handle; |
525 |
memset(fh, 0, sizeof(mac_file_handle)); |
526 |
fh->name = strdup(name); |
527 |
fh->fd = -1; |
528 |
#if defined __MACOSX__ |
529 |
fh->ioctl_fd = -1; |
530 |
fh->ioctl_name = NULL; |
531 |
#endif |
532 |
return fh; |
533 |
} |
534 |
|
535 |
void *Sys_open(const char *name, bool read_only) |
536 |
{ |
537 |
bool is_file = strncmp(name, "/dev/", 5) != 0; |
538 |
#if defined(__FreeBSD__) |
539 |
// SCSI IDE |
540 |
bool is_cdrom = strncmp(name, "/dev/cd", 7) == 0 || strncmp(name, "/dev/acd", 8) == 0; |
541 |
#else |
542 |
bool is_cdrom = strncmp(name, "/dev/cd", 7) == 0; |
543 |
#endif |
544 |
bool is_floppy = strncmp(name, "/dev/fd", 7) == 0; |
545 |
|
546 |
bool is_polled_media = strncmp(name, "/dev/poll/", 10) == 0; |
547 |
if (is_floppy) // Floppy open fails if there's no disk inserted |
548 |
is_polled_media = true; |
549 |
|
550 |
#if defined __MACOSX__ |
551 |
// There is no set filename in /dev which is the cdrom, |
552 |
// so we have to see if it is any of the devices that we found earlier |
553 |
{ |
554 |
int index = 0; |
555 |
const char *str; |
556 |
while ((str = PrefsFindString("cdrom", index++)) != NULL) { |
557 |
if (is_polled_media || strcmp(str, name) == 0) { |
558 |
is_cdrom = true; |
559 |
read_only = true; |
560 |
break; |
561 |
} |
562 |
} |
563 |
} |
564 |
#endif |
565 |
|
566 |
D(bug("Sys_open(%s, %s)\n", name, read_only ? "read-only" : "read/write")); |
567 |
|
568 |
// Check if write access is allowed, set read-only flag if not |
569 |
if (!read_only && access(name, W_OK)) |
570 |
read_only = true; |
571 |
|
572 |
// Print warning message and eventually unmount drive when this is an HFS volume mounted under Linux (double mounting will corrupt the volume) |
573 |
char mount_name[256]; |
574 |
if (!is_file && !read_only && is_drive_mounted(name, mount_name)) { |
575 |
char str[512]; |
576 |
sprintf(str, GetString(STR_VOLUME_IS_MOUNTED_WARN), mount_name); |
577 |
WarningAlert(str); |
578 |
sprintf(str, "umount %s", mount_name); |
579 |
if (system(str)) { |
580 |
sprintf(str, GetString(STR_CANNOT_UNMOUNT_WARN), mount_name, strerror(errno)); |
581 |
WarningAlert(str); |
582 |
return NULL; |
583 |
} |
584 |
} |
585 |
|
586 |
// Open file/device |
587 |
|
588 |
#if defined(BINCUE) |
589 |
void *binfd = open_bincue(name); |
590 |
if (binfd) { |
591 |
mac_file_handle *fh = open_filehandle(name); |
592 |
D(bug("opening %s as bincue\n", name)); |
593 |
fh->bincue_fd = binfd; |
594 |
fh->is_bincue = true; |
595 |
fh->read_only = true; |
596 |
fh->is_media_present = true; |
597 |
sys_add_mac_file_handle(fh); |
598 |
return fh; |
599 |
} |
600 |
#endif |
601 |
|
602 |
|
603 |
#if defined(HAVE_LIBVHD) |
604 |
int vhdsize; |
605 |
void *vhdfd = vhd_unix_open(name, &vhdsize, read_only); |
606 |
if (vhdfd) { |
607 |
mac_file_handle *fh = open_filehandle(name); |
608 |
D(bug("opening %s as vnd\n", name)); |
609 |
fh->is_vhd = true; |
610 |
fh->vhd_fd = vhdfd; |
611 |
fh->read_only = read_only; |
612 |
fh->file_size = vhdsize; |
613 |
fh->is_media_present = true; |
614 |
sys_add_mac_file_handle(fh); |
615 |
return fh; |
616 |
} |
617 |
#endif |
618 |
|
619 |
#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__MACOSX__) |
620 |
int fd = open(name, (read_only ? O_RDONLY : O_RDWR) | (is_cdrom ? O_NONBLOCK : 0)); |
621 |
#else |
622 |
int fd = open(name, read_only ? O_RDONLY : O_RDWR); |
623 |
#endif |
624 |
if (fd < 0 && !read_only) { |
625 |
// Read-write failed, try read-only |
626 |
read_only = true; |
627 |
fd = open(name, O_RDONLY); |
628 |
} |
629 |
if (fd >= 0 || is_polled_media) { |
630 |
mac_file_handle *fh = open_filehandle(name); |
631 |
fh->fd = fd; |
632 |
fh->is_file = is_file; |
633 |
fh->read_only = read_only; |
634 |
fh->is_floppy = is_floppy; |
635 |
fh->is_cdrom = is_cdrom; |
636 |
if (fh->is_file) { |
637 |
fh->is_media_present = true; |
638 |
// Detect disk image file layout |
639 |
loff_t size = 0; |
640 |
size = lseek(fd, 0, SEEK_END); |
641 |
uint8 data[256]; |
642 |
lseek(fd, 0, SEEK_SET); |
643 |
read(fd, data, 256); |
644 |
FileDiskLayout(size, data, fh->start_byte, fh->file_size); |
645 |
} else { |
646 |
struct stat st; |
647 |
if (fstat(fd, &st) == 0) { |
648 |
fh->is_media_present = true; |
649 |
if (S_ISBLK(st.st_mode)) { |
650 |
fh->is_cdrom = is_cdrom; |
651 |
#if defined(__linux__) |
652 |
fh->is_floppy = (MAJOR(st.st_rdev) == FLOPPY_MAJOR); |
653 |
#ifdef CDROM_GET_CAPABILITY |
654 |
if (is_cdrom) { |
655 |
fh->cdrom_cap = ioctl(fh->fd, CDROM_GET_CAPABILITY); |
656 |
if (fh->cdrom_cap < 0) |
657 |
fh->cdrom_cap = 0; |
658 |
} |
659 |
#endif |
660 |
#elif defined(__FreeBSD__) |
661 |
fh->is_floppy = ((st.st_rdev >> 16) == 2); |
662 |
#ifdef CDIOCCAPABILITY |
663 |
if (is_cdrom) { |
664 |
if (ioctl(fh->fd, CDIOCCAPABILITY, &fh->cdrom_cap) < 0) |
665 |
memset(&fh->cdrom_cap, 0, sizeof(fh->cdrom_cap)); |
666 |
} |
667 |
#endif |
668 |
#elif defined(__NetBSD__) |
669 |
fh->is_floppy = ((st.st_rdev >> 16) == 2); |
670 |
#endif |
671 |
} |
672 |
#if defined __MACOSX__ |
673 |
if (is_cdrom) { |
674 |
fh->is_cdrom = true; |
675 |
fh->is_floppy = false; |
676 |
if (cdrom_open_1(fh)) |
677 |
fh->is_media_present = true; |
678 |
} |
679 |
#endif |
680 |
} |
681 |
} |
682 |
if (fh->is_floppy && first_floppy == NULL) |
683 |
first_floppy = fh; |
684 |
sys_add_mac_file_handle(fh); |
685 |
return fh; |
686 |
} else { |
687 |
printf("WARNING: Cannot open %s (%s)\n", name, strerror(errno)); |
688 |
return NULL; |
689 |
} |
690 |
} |
691 |
|
692 |
|
693 |
/* |
694 |
* Close file/device, delete file handle |
695 |
*/ |
696 |
|
697 |
void Sys_close(void *arg) |
698 |
{ |
699 |
mac_file_handle *fh = (mac_file_handle *)arg; |
700 |
if (!fh) |
701 |
return; |
702 |
|
703 |
sys_remove_mac_file_handle(fh); |
704 |
|
705 |
#if defined(HAVE_LIBVHD) |
706 |
if (fh->is_vhd) |
707 |
vhd_unix_close(fh->vhd_fd); |
708 |
#endif |
709 |
|
710 |
#if defined(BINCUE) |
711 |
if (fh->is_bincue) |
712 |
close_bincue(fh->bincue_fd); |
713 |
#endif |
714 |
|
715 |
if (fh->is_cdrom) |
716 |
cdrom_close(fh); |
717 |
if (fh->fd >= 0) |
718 |
close(fh->fd); |
719 |
if (fh->name) |
720 |
free(fh->name); |
721 |
delete fh; |
722 |
} |
723 |
|
724 |
|
725 |
/* |
726 |
* Read "length" bytes from file/device, starting at "offset", to "buffer", |
727 |
* returns number of bytes read (or 0) |
728 |
*/ |
729 |
|
730 |
size_t Sys_read(void *arg, void *buffer, loff_t offset, size_t length) |
731 |
{ |
732 |
mac_file_handle *fh = (mac_file_handle *)arg; |
733 |
if (!fh) |
734 |
return 0; |
735 |
|
736 |
#if defined(BINCUE) |
737 |
if (fh->is_bincue) |
738 |
return read_bincue(fh->bincue_fd, buffer, offset, length); |
739 |
#endif |
740 |
|
741 |
#if defined(HAVE_LIBVHD) |
742 |
if (fh->is_vhd) |
743 |
return vhd_unix_read(fh->vhd_fd, buffer, offset, length); |
744 |
#endif |
745 |
|
746 |
// Seek to position |
747 |
if (lseek(fh->fd, offset + fh->start_byte, SEEK_SET) < 0) |
748 |
return 0; |
749 |
|
750 |
// Read data |
751 |
return read(fh->fd, buffer, length); |
752 |
} |
753 |
|
754 |
|
755 |
/* |
756 |
* Write "length" bytes from "buffer" to file/device, starting at "offset", |
757 |
* returns number of bytes written (or 0) |
758 |
*/ |
759 |
|
760 |
size_t Sys_write(void *arg, void *buffer, loff_t offset, size_t length) |
761 |
{ |
762 |
mac_file_handle *fh = (mac_file_handle *)arg; |
763 |
if (!fh) |
764 |
return 0; |
765 |
|
766 |
#if defined(HAVE_LIBVHD) |
767 |
if (fh->is_vhd) |
768 |
return vhd_unix_write(fh->vhd_fd, buffer, offset, length); |
769 |
#endif |
770 |
|
771 |
// Seek to position |
772 |
if (lseek(fh->fd, offset + fh->start_byte, SEEK_SET) < 0) |
773 |
return 0; |
774 |
|
775 |
// Write data |
776 |
return write(fh->fd, buffer, length); |
777 |
} |
778 |
|
779 |
|
780 |
/* |
781 |
* Return size of file/device (minus header) |
782 |
*/ |
783 |
|
784 |
loff_t SysGetFileSize(void *arg) |
785 |
{ |
786 |
mac_file_handle *fh = (mac_file_handle *)arg; |
787 |
if (!fh) |
788 |
return true; |
789 |
|
790 |
#if defined(BINCUE) |
791 |
if (fh->is_bincue) |
792 |
return size_bincue(fh->bincue_fd); |
793 |
#endif |
794 |
|
795 |
#if defined(HAVE_LIBVHD) |
796 |
if (fh->is_vhd) |
797 |
return fh->file_size; |
798 |
#endif |
799 |
|
800 |
if (fh->is_file) |
801 |
return fh->file_size; |
802 |
else { |
803 |
#if defined(__linux__) |
804 |
long blocks; |
805 |
if (ioctl(fh->fd, BLKGETSIZE, &blocks) < 0) |
806 |
return 0; |
807 |
D(bug(" BLKGETSIZE returns %d blocks\n", blocks)); |
808 |
return (loff_t)blocks * 512; |
809 |
#elif defined __MACOSX__ |
810 |
uint32 block_size; |
811 |
if (ioctl(fh->ioctl_fd, DKIOCGETBLOCKSIZE, &block_size) < 0) |
812 |
return 0; |
813 |
D(bug(" DKIOCGETBLOCKSIZE returns %lu bytes\n", (unsigned long)block_size)); |
814 |
uint64 block_count; |
815 |
if (ioctl(fh->ioctl_fd, DKIOCGETBLOCKCOUNT, &block_count) < 0) |
816 |
return 0; |
817 |
D(bug(" DKIOCGETBLOCKCOUNT returns %llu blocks\n", (unsigned long long)block_count)); |
818 |
return block_count * block_size; |
819 |
#else |
820 |
return lseek(fh->fd, 0, SEEK_END) - fh->start_byte; |
821 |
#endif |
822 |
} |
823 |
} |
824 |
|
825 |
|
826 |
/* |
827 |
* Eject volume (if applicable) |
828 |
*/ |
829 |
|
830 |
void SysEject(void *arg) |
831 |
{ |
832 |
mac_file_handle *fh = (mac_file_handle *)arg; |
833 |
if (!fh) |
834 |
return; |
835 |
|
836 |
#if defined(__linux__) |
837 |
if (fh->is_floppy) { |
838 |
if (fh->fd >= 0) { |
839 |
fsync(fh->fd); |
840 |
ioctl(fh->fd, FDFLUSH); |
841 |
ioctl(fh->fd, FDEJECT); |
842 |
close(fh->fd); // Close and reopen so the driver will see the media change |
843 |
} |
844 |
fh->fd = open(fh->name, fh->read_only ? O_RDONLY : O_RDWR); |
845 |
} else if (fh->is_cdrom) { |
846 |
ioctl(fh->fd, CDROMEJECT); |
847 |
close(fh->fd); // Close and reopen so the driver will see the media change |
848 |
fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK); |
849 |
} |
850 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
851 |
if (fh->is_floppy) { |
852 |
fsync(fh->fd); |
853 |
} else if (fh->is_cdrom) { |
854 |
ioctl(fh->fd, CDIOCEJECT); |
855 |
close(fh->fd); // Close and reopen so the driver will see the media change |
856 |
fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK); |
857 |
} |
858 |
#elif defined(__APPLE__) && defined(__MACH__) |
859 |
if (fh->is_cdrom && fh->is_media_present) { |
860 |
close(fh->fd); |
861 |
fh->fd = -1; |
862 |
if (ioctl(fh->ioctl_fd, DKIOCEJECT) < 0) { |
863 |
D(bug(" DKIOCEJECT failed on file %s: %s\n", |
864 |
fh->ioctl_name, strerror(errno))); |
865 |
|
866 |
// If we are running MacOS X, the device may be in busy |
867 |
// state because the Finder has mounted the disk |
868 |
close(fh->ioctl_fd); |
869 |
fh->ioctl_fd = -1; |
870 |
|
871 |
// Try to use "diskutil eject" but it can take up to 5 |
872 |
// seconds to complete |
873 |
static const char eject_cmd[] = "/usr/sbin/diskutil eject %s 2>&1 >/dev/null"; |
874 |
char *cmd = (char *)alloca(strlen(eject_cmd) + strlen(fh->ioctl_name) + 1); |
875 |
sprintf(cmd, eject_cmd, fh->ioctl_name); |
876 |
system(cmd); |
877 |
} |
878 |
fh->is_media_present = false; |
879 |
} |
880 |
#endif |
881 |
} |
882 |
|
883 |
|
884 |
/* |
885 |
* Format volume (if applicable) |
886 |
*/ |
887 |
|
888 |
bool SysFormat(void *arg) |
889 |
{ |
890 |
mac_file_handle *fh = (mac_file_handle *)arg; |
891 |
if (!fh) |
892 |
return false; |
893 |
|
894 |
//!! |
895 |
return true; |
896 |
} |
897 |
|
898 |
|
899 |
/* |
900 |
* Check if file/device is read-only (this includes the read-only flag on Sys_open()) |
901 |
*/ |
902 |
|
903 |
bool SysIsReadOnly(void *arg) |
904 |
{ |
905 |
mac_file_handle *fh = (mac_file_handle *)arg; |
906 |
if (!fh) |
907 |
return true; |
908 |
|
909 |
#if defined(__linux__) |
910 |
if (fh->is_floppy) { |
911 |
if (fh->fd >= 0) { |
912 |
struct floppy_drive_struct stat; |
913 |
ioctl(fh->fd, FDGETDRVSTAT, &stat); |
914 |
return !(stat.flags & FD_DISK_WRITABLE); |
915 |
} else |
916 |
return true; |
917 |
} else |
918 |
#endif |
919 |
return fh->read_only; |
920 |
} |
921 |
|
922 |
|
923 |
/* |
924 |
* Check if the given file handle refers to a fixed or a removable disk |
925 |
*/ |
926 |
|
927 |
bool SysIsFixedDisk(void *arg) |
928 |
{ |
929 |
mac_file_handle *fh = (mac_file_handle *)arg; |
930 |
if (!fh) |
931 |
return true; |
932 |
|
933 |
#if defined(HAVE_LIBVHD) |
934 |
if (fh->is_vhd) |
935 |
return true; |
936 |
#endif |
937 |
|
938 |
if (fh->is_file) |
939 |
return true; |
940 |
else if (fh->is_floppy || fh->is_cdrom) |
941 |
return false; |
942 |
else |
943 |
return true; |
944 |
} |
945 |
|
946 |
|
947 |
/* |
948 |
* Check if a disk is inserted in the drive (always true for files) |
949 |
*/ |
950 |
|
951 |
bool SysIsDiskInserted(void *arg) |
952 |
{ |
953 |
mac_file_handle *fh = (mac_file_handle *)arg; |
954 |
if (!fh) |
955 |
return false; |
956 |
|
957 |
#if defined(HAVE_LIBVHD) |
958 |
if (fh->is_vhd) |
959 |
return true; |
960 |
#endif |
961 |
|
962 |
if (fh->is_file) { |
963 |
return true; |
964 |
|
965 |
#if defined(__linux__) |
966 |
} else if (fh->is_floppy) { |
967 |
char block[512]; |
968 |
lseek(fh->fd, 0, SEEK_SET); |
969 |
ssize_t actual = read(fh->fd, block, 512); |
970 |
if (actual < 0) { |
971 |
close(fh->fd); // Close and reopen so the driver will see the media change |
972 |
fh->fd = open(fh->name, fh->read_only ? O_RDONLY : O_RDWR); |
973 |
actual = read(fh->fd, block, 512); |
974 |
} |
975 |
return actual == 512; |
976 |
} else if (fh->is_cdrom) { |
977 |
#ifdef CDROM_MEDIA_CHANGED |
978 |
if (fh->cdrom_cap & CDC_MEDIA_CHANGED) { |
979 |
// If we don't do this, all attempts to read from a disc fail |
980 |
// once the tray has been opened (altough the TOC reads fine). |
981 |
// Can somebody explain this to me? |
982 |
if (ioctl(fh->fd, CDROM_MEDIA_CHANGED) == 1) { |
983 |
close(fh->fd); |
984 |
fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK); |
985 |
} |
986 |
} |
987 |
#endif |
988 |
#ifdef CDROM_DRIVE_STATUS |
989 |
if (fh->cdrom_cap & CDC_DRIVE_STATUS) { |
990 |
return ioctl(fh->fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) == CDS_DISC_OK; |
991 |
} |
992 |
#endif |
993 |
cdrom_tochdr header; |
994 |
return ioctl(fh->fd, CDROMREADTOCHDR, &header) == 0; |
995 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
996 |
} else if (fh->is_floppy) { |
997 |
return false; //!! |
998 |
} else if (fh->is_cdrom) { |
999 |
struct ioc_toc_header header; |
1000 |
return ioctl(fh->fd, CDIOREADTOCHEADER, &header) == 0; |
1001 |
#elif defined __MACOSX__ |
1002 |
} else if (fh->is_cdrom || fh->is_floppy) { |
1003 |
return fh->is_media_present; |
1004 |
#endif |
1005 |
|
1006 |
} else |
1007 |
return true; |
1008 |
} |
1009 |
|
1010 |
|
1011 |
/* |
1012 |
* Prevent medium removal (if applicable) |
1013 |
*/ |
1014 |
|
1015 |
void SysPreventRemoval(void *arg) |
1016 |
{ |
1017 |
mac_file_handle *fh = (mac_file_handle *)arg; |
1018 |
if (!fh) |
1019 |
return; |
1020 |
|
1021 |
#if defined(__linux__) && defined(CDROM_LOCKDOOR) |
1022 |
if (fh->is_cdrom) |
1023 |
ioctl(fh->fd, CDROM_LOCKDOOR, 1); |
1024 |
#endif |
1025 |
} |
1026 |
|
1027 |
|
1028 |
/* |
1029 |
* Allow medium removal (if applicable) |
1030 |
*/ |
1031 |
|
1032 |
void SysAllowRemoval(void *arg) |
1033 |
{ |
1034 |
mac_file_handle *fh = (mac_file_handle *)arg; |
1035 |
if (!fh) |
1036 |
return; |
1037 |
|
1038 |
#if defined(__linux__) && defined(CDROM_LOCKDOOR) |
1039 |
if (fh->is_cdrom) |
1040 |
ioctl(fh->fd, CDROM_LOCKDOOR, 0); |
1041 |
#endif |
1042 |
} |
1043 |
|
1044 |
|
1045 |
/* |
1046 |
* Read CD-ROM TOC (binary MSF format, 804 bytes max.) |
1047 |
*/ |
1048 |
|
1049 |
bool SysCDReadTOC(void *arg, uint8 *toc) |
1050 |
{ |
1051 |
mac_file_handle *fh = (mac_file_handle *)arg; |
1052 |
if (!fh) |
1053 |
return false; |
1054 |
|
1055 |
#if defined(BINCUE) |
1056 |
if (fh->is_bincue) |
1057 |
return readtoc_bincue(fh->bincue_fd, toc); |
1058 |
#endif |
1059 |
|
1060 |
if (fh->is_cdrom) { |
1061 |
|
1062 |
#if defined(__linux__) |
1063 |
uint8 *p = toc + 2; |
1064 |
|
1065 |
// Header |
1066 |
cdrom_tochdr header; |
1067 |
if (ioctl(fh->fd, CDROMREADTOCHDR, &header) < 0) |
1068 |
return false; |
1069 |
*p++ = header.cdth_trk0; |
1070 |
*p++ = header.cdth_trk1; |
1071 |
|
1072 |
// Tracks |
1073 |
cdrom_tocentry entry; |
1074 |
for (int i=header.cdth_trk0; i<=header.cdth_trk1; i++) { |
1075 |
entry.cdte_track = i; |
1076 |
entry.cdte_format = CDROM_MSF; |
1077 |
if (ioctl(fh->fd, CDROMREADTOCENTRY, &entry) < 0) |
1078 |
return false; |
1079 |
*p++ = 0; |
1080 |
*p++ = (entry.cdte_adr << 4) | entry.cdte_ctrl; |
1081 |
*p++ = entry.cdte_track; |
1082 |
*p++ = 0; |
1083 |
*p++ = 0; |
1084 |
*p++ = entry.cdte_addr.msf.minute; |
1085 |
*p++ = entry.cdte_addr.msf.second; |
1086 |
*p++ = entry.cdte_addr.msf.frame; |
1087 |
} |
1088 |
|
1089 |
// Leadout track |
1090 |
entry.cdte_track = CDROM_LEADOUT; |
1091 |
entry.cdte_format = CDROM_MSF; |
1092 |
if (ioctl(fh->fd, CDROMREADTOCENTRY, &entry) < 0) |
1093 |
return false; |
1094 |
*p++ = 0; |
1095 |
*p++ = (entry.cdte_adr << 4) | entry.cdte_ctrl; |
1096 |
*p++ = entry.cdte_track; |
1097 |
*p++ = 0; |
1098 |
*p++ = 0; |
1099 |
*p++ = entry.cdte_addr.msf.minute; |
1100 |
*p++ = entry.cdte_addr.msf.second; |
1101 |
*p++ = entry.cdte_addr.msf.frame; |
1102 |
|
1103 |
// TOC size |
1104 |
int toc_size = p - toc; |
1105 |
*toc++ = toc_size >> 8; |
1106 |
*toc++ = toc_size & 0xff; |
1107 |
return true; |
1108 |
#elif defined __MACOSX__ && defined MAC_OS_X_VERSION_10_2 |
1109 |
if (fh->is_media_present) { |
1110 |
extern bool DarwinCDReadTOC(char *name, uint8 *toc); |
1111 |
return DarwinCDReadTOC(fh->name, toc); |
1112 |
} |
1113 |
return false; |
1114 |
#elif defined(__FreeBSD__) |
1115 |
uint8 *p = toc + 2; |
1116 |
|
1117 |
// Header |
1118 |
struct ioc_toc_header header; |
1119 |
if (ioctl(fh->fd, CDIOREADTOCHEADER, &header) < 0) |
1120 |
return false; |
1121 |
*p++ = header.starting_track; |
1122 |
*p++ = header.ending_track; |
1123 |
|
1124 |
// Tracks |
1125 |
struct ioc_read_toc_single_entry entry; |
1126 |
for (int i=header.starting_track; i<=header.ending_track; i++) { |
1127 |
entry.track = i; |
1128 |
entry.address_format = CD_MSF_FORMAT; |
1129 |
if (ioctl(fh->fd, CDIOREADTOCENTRY, &entry) < 0) |
1130 |
return false; |
1131 |
*p++ = 0; |
1132 |
*p++ = (entry.entry.addr_type << 4) | entry.entry.control; |
1133 |
*p++ = entry.entry.track; |
1134 |
*p++ = 0; |
1135 |
*p++ = 0; |
1136 |
*p++ = entry.entry.addr.msf.minute; |
1137 |
*p++ = entry.entry.addr.msf.second; |
1138 |
*p++ = entry.entry.addr.msf.frame; |
1139 |
} |
1140 |
|
1141 |
// Leadout track |
1142 |
entry.track = CD_TRACK_INFO; |
1143 |
entry.address_format = CD_MSF_FORMAT; |
1144 |
if (ioctl(fh->fd, CDIOREADTOCENTRY, &entry) < 0) |
1145 |
return false; |
1146 |
*p++ = 0; |
1147 |
*p++ = (entry.entry.addr_type << 4) | entry.entry.control; |
1148 |
*p++ = entry.entry.track; |
1149 |
*p++ = 0; |
1150 |
*p++ = 0; |
1151 |
*p++ = entry.entry.addr.msf.minute; |
1152 |
*p++ = entry.entry.addr.msf.second; |
1153 |
*p++ = entry.entry.addr.msf.frame; |
1154 |
|
1155 |
// TOC size |
1156 |
int toc_size = p - toc; |
1157 |
*toc++ = toc_size >> 8; |
1158 |
*toc++ = toc_size & 0xff; |
1159 |
return true; |
1160 |
#elif defined(__NetBSD__) |
1161 |
uint8 *p = toc + 2; |
1162 |
|
1163 |
// Header |
1164 |
struct ioc_toc_header header; |
1165 |
if (ioctl(fh->fd, CDIOREADTOCHEADER, &header) < 0) |
1166 |
return false; |
1167 |
*p++ = header.starting_track; |
1168 |
*p++ = header.ending_track; |
1169 |
|
1170 |
// Tracks (this is nice... :-) |
1171 |
struct ioc_read_toc_entry entries; |
1172 |
entries.address_format = CD_MSF_FORMAT; |
1173 |
entries.starting_track = 1; |
1174 |
entries.data_len = 800; |
1175 |
entries.data = (cd_toc_entry *)p; |
1176 |
if (ioctl(fh->fd, CDIOREADTOCENTRIES, &entries) < 0) |
1177 |
return false; |
1178 |
|
1179 |
// TOC size |
1180 |
int toc_size = p - toc; |
1181 |
*toc++ = toc_size >> 8; |
1182 |
*toc++ = toc_size & 0xff; |
1183 |
return true; |
1184 |
#else |
1185 |
return false; |
1186 |
#endif |
1187 |
} else |
1188 |
return false; |
1189 |
} |
1190 |
|
1191 |
|
1192 |
/* |
1193 |
* Read CD-ROM position data (Sub-Q Channel, 16 bytes, see SCSI standard) |
1194 |
*/ |
1195 |
|
1196 |
bool SysCDGetPosition(void *arg, uint8 *pos) |
1197 |
{ |
1198 |
mac_file_handle *fh = (mac_file_handle *)arg; |
1199 |
if (!fh) |
1200 |
return false; |
1201 |
|
1202 |
#if defined(BINCUE) |
1203 |
if (fh->is_bincue) |
1204 |
return GetPosition_bincue(fh->bincue_fd, pos); |
1205 |
#endif |
1206 |
|
1207 |
if (fh->is_cdrom) { |
1208 |
#if defined(__linux__) |
1209 |
cdrom_subchnl chan; |
1210 |
chan.cdsc_format = CDROM_MSF; |
1211 |
if (ioctl(fh->fd, CDROMSUBCHNL, &chan) < 0) |
1212 |
return false; |
1213 |
*pos++ = 0; |
1214 |
*pos++ = chan.cdsc_audiostatus; |
1215 |
*pos++ = 0; |
1216 |
*pos++ = 12; // Sub-Q data length |
1217 |
*pos++ = 0; |
1218 |
*pos++ = (chan.cdsc_adr << 4) | chan.cdsc_ctrl; |
1219 |
*pos++ = chan.cdsc_trk; |
1220 |
*pos++ = chan.cdsc_ind; |
1221 |
*pos++ = 0; |
1222 |
*pos++ = chan.cdsc_absaddr.msf.minute; |
1223 |
*pos++ = chan.cdsc_absaddr.msf.second; |
1224 |
*pos++ = chan.cdsc_absaddr.msf.frame; |
1225 |
*pos++ = 0; |
1226 |
*pos++ = chan.cdsc_reladdr.msf.minute; |
1227 |
*pos++ = chan.cdsc_reladdr.msf.second; |
1228 |
*pos++ = chan.cdsc_reladdr.msf.frame; |
1229 |
return true; |
1230 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1231 |
struct ioc_read_subchannel chan; |
1232 |
chan.data_format = CD_MSF_FORMAT; |
1233 |
chan.address_format = CD_MSF_FORMAT; |
1234 |
chan.track = CD_CURRENT_POSITION; |
1235 |
if (ioctl(fh->fd, CDIOCREADSUBCHANNEL, &chan) < 0) |
1236 |
return false; |
1237 |
*pos++ = 0; |
1238 |
*pos++ = chan.data->header.audio_status; |
1239 |
*pos++ = 0; |
1240 |
*pos++ = 12; // Sub-Q data length |
1241 |
*pos++ = 0; |
1242 |
*pos++ = (chan.data->what.position.addr_type << 4) | chan.data->what.position.control; |
1243 |
*pos++ = chan.data->what.position.track_number; |
1244 |
*pos++ = chan.data->what.position.index_number; |
1245 |
*pos++ = 0; |
1246 |
*pos++ = chan.data->what.position.absaddr.msf.minute; |
1247 |
*pos++ = chan.data->what.position.absaddr.msf.second; |
1248 |
*pos++ = chan.data->what.position.absaddr.msf.frame; |
1249 |
*pos++ = 0; |
1250 |
*pos++ = chan.data->what.position.reladdr.msf.minute; |
1251 |
*pos++ = chan.data->what.position.reladdr.msf.second; |
1252 |
*pos++ = chan.data->what.position.reladdr.msf.frame; |
1253 |
return true; |
1254 |
#else |
1255 |
return false; |
1256 |
#endif |
1257 |
} else |
1258 |
return false; |
1259 |
} |
1260 |
|
1261 |
|
1262 |
/* |
1263 |
* Play CD audio |
1264 |
*/ |
1265 |
|
1266 |
bool SysCDPlay(void *arg, uint8 start_m, uint8 start_s, uint8 start_f, uint8 end_m, uint8 end_s, uint8 end_f) |
1267 |
{ |
1268 |
mac_file_handle *fh = (mac_file_handle *)arg; |
1269 |
if (!fh) |
1270 |
return false; |
1271 |
|
1272 |
#if defined(BINCUE) |
1273 |
if (fh->is_bincue) |
1274 |
return CDPlay_bincue(fh->bincue_fd, start_m, start_s, start_f, end_m, end_s, end_f); |
1275 |
#endif |
1276 |
|
1277 |
if (fh->is_cdrom) { |
1278 |
#if defined(__linux__) |
1279 |
cdrom_msf play; |
1280 |
play.cdmsf_min0 = start_m; |
1281 |
play.cdmsf_sec0 = start_s; |
1282 |
play.cdmsf_frame0 = start_f; |
1283 |
play.cdmsf_min1 = end_m; |
1284 |
play.cdmsf_sec1 = end_s; |
1285 |
play.cdmsf_frame1 = end_f; |
1286 |
return ioctl(fh->fd, CDROMPLAYMSF, &play) == 0; |
1287 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1288 |
struct ioc_play_msf play; |
1289 |
play.start_m = start_m; |
1290 |
play.start_s = start_s; |
1291 |
play.start_f = start_f; |
1292 |
play.end_m = end_m; |
1293 |
play.end_s = end_s; |
1294 |
play.end_f = end_f; |
1295 |
return ioctl(fh->fd, CDIOCPLAYMSF, &play) == 0; |
1296 |
#else |
1297 |
return false; |
1298 |
#endif |
1299 |
} else |
1300 |
return false; |
1301 |
} |
1302 |
|
1303 |
|
1304 |
/* |
1305 |
* Pause CD audio |
1306 |
*/ |
1307 |
|
1308 |
bool SysCDPause(void *arg) |
1309 |
{ |
1310 |
mac_file_handle *fh = (mac_file_handle *)arg; |
1311 |
if (!fh) |
1312 |
return false; |
1313 |
|
1314 |
#if defined(BINCUE) |
1315 |
if (fh->is_bincue) |
1316 |
return CDPause_bincue(fh->bincue_fd); |
1317 |
#endif |
1318 |
|
1319 |
if (fh->is_cdrom) { |
1320 |
#if defined(__linux__) |
1321 |
return ioctl(fh->fd, CDROMPAUSE) == 0; |
1322 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1323 |
return ioctl(fh->fd, CDIOCPAUSE) == 0; |
1324 |
#else |
1325 |
return false; |
1326 |
#endif |
1327 |
} else |
1328 |
return false; |
1329 |
} |
1330 |
|
1331 |
|
1332 |
/* |
1333 |
* Resume paused CD audio |
1334 |
*/ |
1335 |
|
1336 |
bool SysCDResume(void *arg) |
1337 |
{ |
1338 |
mac_file_handle *fh = (mac_file_handle *)arg; |
1339 |
if (!fh) |
1340 |
return false; |
1341 |
|
1342 |
#if defined(BINCUE) |
1343 |
if (fh->is_bincue) |
1344 |
return CDResume_bincue(fh->bincue_fd); |
1345 |
#endif |
1346 |
|
1347 |
|
1348 |
if (fh->is_cdrom) { |
1349 |
#if defined(__linux__) |
1350 |
return ioctl(fh->fd, CDROMRESUME) == 0; |
1351 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1352 |
return ioctl(fh->fd, CDIOCRESUME) == 0; |
1353 |
#else |
1354 |
return false; |
1355 |
#endif |
1356 |
} else |
1357 |
return false; |
1358 |
} |
1359 |
|
1360 |
|
1361 |
/* |
1362 |
* Stop CD audio |
1363 |
*/ |
1364 |
|
1365 |
bool SysCDStop(void *arg, uint8 lead_out_m, uint8 lead_out_s, uint8 lead_out_f) |
1366 |
{ |
1367 |
mac_file_handle *fh = (mac_file_handle *)arg; |
1368 |
if (!fh) |
1369 |
return false; |
1370 |
|
1371 |
#if defined(BINCUE) |
1372 |
if (fh->is_bincue) |
1373 |
return CDStop_bincue(fh->bincue_fd); |
1374 |
#endif |
1375 |
|
1376 |
|
1377 |
if (fh->is_cdrom) { |
1378 |
#if defined(__linux__) |
1379 |
return ioctl(fh->fd, CDROMSTOP) == 0; |
1380 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1381 |
return ioctl(fh->fd, CDIOCSTOP) == 0; |
1382 |
#else |
1383 |
return false; |
1384 |
#endif |
1385 |
} else |
1386 |
return false; |
1387 |
} |
1388 |
|
1389 |
|
1390 |
/* |
1391 |
* Perform CD audio fast-forward/fast-reverse operation starting from specified address |
1392 |
*/ |
1393 |
|
1394 |
bool SysCDScan(void *arg, uint8 start_m, uint8 start_s, uint8 start_f, bool reverse) |
1395 |
{ |
1396 |
mac_file_handle *fh = (mac_file_handle *)arg; |
1397 |
if (!fh) |
1398 |
return false; |
1399 |
|
1400 |
// Not supported under Linux |
1401 |
return false; |
1402 |
} |
1403 |
|
1404 |
|
1405 |
/* |
1406 |
* Set CD audio volume (0..255 each channel) |
1407 |
*/ |
1408 |
|
1409 |
void SysCDSetVolume(void *arg, uint8 left, uint8 right) |
1410 |
{ |
1411 |
mac_file_handle *fh = (mac_file_handle *)arg; |
1412 |
if (!fh) |
1413 |
return; |
1414 |
|
1415 |
if (fh->is_cdrom) { |
1416 |
#if defined(__linux__) |
1417 |
cdrom_volctrl vol; |
1418 |
vol.channel0 = vol.channel2 = left; |
1419 |
vol.channel1 = vol.channel3 = right; |
1420 |
ioctl(fh->fd, CDROMVOLCTRL, &vol); |
1421 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1422 |
struct ioc_vol vol; |
1423 |
vol.vol[0] = vol.vol[2] = left; |
1424 |
vol.vol[1] = vol.vol[3] = right; |
1425 |
ioctl(fh->fd, CDIOCSETVOL, &vol); |
1426 |
#endif |
1427 |
} |
1428 |
} |
1429 |
|
1430 |
|
1431 |
/* |
1432 |
* Get CD audio volume (0..255 each channel) |
1433 |
*/ |
1434 |
|
1435 |
void SysCDGetVolume(void *arg, uint8 &left, uint8 &right) |
1436 |
{ |
1437 |
mac_file_handle *fh = (mac_file_handle *)arg; |
1438 |
if (!fh) |
1439 |
return; |
1440 |
|
1441 |
left = right = 0; |
1442 |
if (fh->is_cdrom) { |
1443 |
#if defined(__linux__) |
1444 |
cdrom_volctrl vol; |
1445 |
ioctl(fh->fd, CDROMVOLREAD, &vol); |
1446 |
left = vol.channel0; |
1447 |
right = vol.channel1; |
1448 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1449 |
struct ioc_vol vol; |
1450 |
ioctl(fh->fd, CDIOCGETVOL, &vol); |
1451 |
left = vol.vol[0]; |
1452 |
right = vol.vol[1]; |
1453 |
#endif |
1454 |
} |
1455 |
} |