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root/cebix/BasiliskII/src/Unix/sys_unix.cpp

Comparing BasiliskII/src/Unix/sys_unix.cpp (file contents):
Revision 1.4 by cebix, 1999-10-15T14:50:38Z vs.
Revision 1.26 by gbeauche, 2005-08-01T05:23:02Z

#	Line 1 | Line 1
1		/*
2		*  sys_unix.cpp - System dependent routines, Unix implementation
3		*
4	<	*  Basilisk II (C) 1997-1999 Christian Bauer
4	>	*  Basilisk II (C) 1997-2005 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
#	Line 24 | Line 24
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 <linux/unistd.h>
33	<
34	<	#ifdef __NR__llseek
35	<	_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, loff_t *, res, uint, wh);
36	<	#else
37	<	static int _llseek(uint fd, ulong hi, ulong lo, loff_t *res, uint wh)
38	<	{
39	<	if (hi)
40	<	return -1;
41	<	*res = lseek(fd, lo, wh);
42	<	if (*res == -1)
43	<	return -1;
44	<	return 0;
45	<	}
46	<	#endif
37	>	#include <dirent.h>
38		#endif
39
40		#if defined(__FreeBSD__) || defined(__NetBSD__)
#	Line 75 | Line 66 | struct file_handle {
66		int cdrom_cap;          // CD-ROM capability flags (only valid if is_cdrom is true)
67		#elif defined(__FreeBSD__)
68		struct ioc_capability cdrom_cap;
69	+	#elif defined(__APPLE__) && defined(__MACH__)
70	+	char    *ioctl_name;    // For CDs on OS X - a device for special ioctls
71	+	int             ioctl_fd;
72		#endif
73		};
74
#	Line 119 | Line 113 | void SysMountFirstFloppy(void)
113		void SysAddFloppyPrefs(void)
114		{
115		#if defined(__linux__)
116	<	PrefsAddString("floppy", "/dev/fd0H1440");
117	<	PrefsAddString("floppy", "/dev/fd1H1440");
116	>	if (access("/dev/.devfsd", F_OK) < 0) {
117	>	PrefsAddString("floppy", "/dev/fd0u1440");
118	>	PrefsAddString("floppy", "/dev/fd1u1440");
119	>	} else {
120	>	DIR *fd_dir = opendir("/dev/floppy");
121	>	if (fd_dir) {
122	>	struct dirent *floppy_dev;
123	>	while ((floppy_dev = readdir(fd_dir)) != NULL) {
124	>	if (strstr(floppy_dev->d_name, "u1440") != NULL) {
125	>	char fd_dev[20];
126	>	sprintf(fd_dev, "/dev/floppy/%s", floppy_dev->d_name);
127	>	PrefsAddString("floppy", fd_dev);
128	>	}
129	>	}
130	>	closedir(fd_dir);
131	>	}
132	>	}
133		#elif defined(__NetBSD__)
134		PrefsAddString("floppy", "/dev/fd0a");
135		PrefsAddString("floppy", "/dev/fd1a");
136	+	#elif defined(__APPLE__) && defined(__MACH__)
137	+	#if defined(AQUA) || defined(HAVE_FRAMEWORK_COREFOUNDATION)
138	+	extern  void DarwinAddFloppyPrefs(void);
139	+
140	+	DarwinAddFloppyPrefs();
141	+	#else
142	+	// Until I can convince the other guys that my Darwin code is useful,
143	+	// we just add something safe (a non-existant device):
144	+	PrefsAddString("floppy", "/dev/null");
145	+	#endif
146		#else
147		PrefsAddString("floppy", "/dev/fd0");
148		PrefsAddString("floppy", "/dev/fd1");
#	Line 134 | Line 153 | void SysAddFloppyPrefs(void)
153		/*
154		*  This gets called when no "disk" prefs items are found
155		*  It scans for available HFS volumes and adds appropriate prefs items
156	+	*      On OS X, we could do the same, but on an OS X machine I think it is
157	+	*      very unlikely that any mounted volumes would contain a system which
158	+	*      is old enough to boot a 68k Mac, so we just do nothing here for now.
159		*/
160
161		void SysAddDiskPrefs(void)
#	Line 145 | Line 167 | void SysAddDiskPrefs(void)
167		while(fgets(line, 255, f)) {
168		// Read line
169		int len = strlen(line);
170	<	if (len == 0)
170	>	if (len == 0 || line[0] == '#')
171		continue;
172		line[len-1] = 0;
173
#	Line 175 | Line 197 | void SysAddCDROMPrefs(void)
197		return;
198
199		#if defined(__linux__)
200	<	PrefsAddString("cdrom", "/dev/cdrom");
201	<	#elif defined(__FreeBSD__)
200	>	if (access("/dev/.devfsd", F_OK) < 0)
201	>	PrefsAddString("cdrom", "/dev/cdrom");
202	>	else {
203	>	DIR *cd_dir = opendir("/dev/cdroms");
204	>	if (cd_dir) {
205	>	struct dirent *cdrom_dev;
206	>	while ((cdrom_dev = readdir(cd_dir)) != NULL) {
207	>	if (strcmp(cdrom_dev->d_name, ".") != 0 && strcmp(cdrom_dev->d_name, "..") != 0) {
208	>	char cd_dev[20];
209	>	sprintf(cd_dev, "/dev/cdroms/%s", cdrom_dev->d_name);
210	>	PrefsAddString("cdrom", cd_dev);
211	>	}
212	>	}
213	>	closedir(cd_dir);
214	>	}
215	>	}
216	>	#elif defined(__APPLE__) && defined(__MACH__)
217	>	#if defined(AQUA) || defined(HAVE_FRAMEWORK_COREFOUNDATION)
218	>	extern  void DarwinAddCDROMPrefs(void);
219	>
220	>	DarwinAddCDROMPrefs();
221	>	#else
222	>	// Until I can convince the other guys that my Darwin code is useful,
223	>	// we just do nothing (it is safe to have no cdrom device)
224	>	#endif
225	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
226		PrefsAddString("cdrom", "/dev/cd0c");
181	–	#elif defined(__NetBSD__)
182	–	PrefsAddString("cdrom", "/dev/cd0d");
227		#endif
228		}
229
#	Line 191 | Line 235 | void SysAddCDROMPrefs(void)
235		void SysAddSerialPrefs(void)
236		{
237		#if defined(__linux__)
238	<	PrefsAddString("seriala", "/dev/ttyS0");
239	<	PrefsAddString("serialb", "/dev/ttyS1");
238	>	if (access("/dev/.devfsd", F_OK) < 0) {
239	>	PrefsAddString("seriala", "/dev/ttyS0");
240	>	PrefsAddString("serialb", "/dev/ttyS1");
241	>	} else {
242	>	PrefsAddString("seriala", "/dev/tts/0");
243	>	PrefsAddString("serialb", "/dev/tts/1");
244	>	}
245		#elif defined(__FreeBSD__)
246		PrefsAddString("seriala", "/dev/cuaa0");
247		PrefsAddString("serialb", "/dev/cuaa1");
248		#elif defined(__NetBSD__)
249		PrefsAddString("seriala", "/dev/tty00");
250		PrefsAddString("serialb", "/dev/tty01");
251	+	#elif defined(__APPLE__) && defined(__MACH__)
252	+	#if defined(AQUA) || defined(HAVE_FRAMEWORK_COREFOUNDATION)
253	+	extern  void DarwinAddSerialPrefs(void);
254	+
255	+	DarwinAddSerialPrefs();
256	+	#else
257	+	// Until I can convince the other guys that my Darwin code is useful,
258	+	// we just add something safe (non-existant devices):
259	+	PrefsAddString("seriala", "/dev/null");
260	+	PrefsAddString("serialb", "/dev/null");
261	+	#endif
262		#endif
263		}
264
#	Line 251 | Line 311 | void *Sys_open(const char *name, bool re
311		bool is_cdrom = strncmp(name, "/dev/cd", 7) == 0;
312		#endif
313
314	+	#if defined(__APPLE__) && defined(__MACH__)
315	+	//
316	+	// There is no set filename in /dev which is the cdrom,
317	+	// so we have to see if it is any of the devices that we found earlier
318	+	//
319	+	const char      *cdrom;
320	+	int                     tmp = 0;
321	+
322	+	while ( (cdrom = PrefsFindString("cdrom", tmp) ) != NULL )
323	+	{
324	+	if ( strcmp(name, cdrom) == 0 )
325	+	{
326	+	is_cdrom = 1;
327	+	read_only = 1;
328	+	break;
329	+	}
330	+	++tmp;
331	+	}
332	+	#endif
333	+
334		D(bug("Sys_open(%s, %s)\n", name, read_only ? "read-only" : "read/write"));
335
336		// Check if write access is allowed, set read-only flag if not
#	Line 272 | Line 352 | void *Sys_open(const char *name, bool re
352		}
353
354		// Open file/device
355	<	#if defined(__linux__)
355	>	#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__)
356		int fd = open(name, (read_only ? O_RDONLY : O_RDWR) | (is_cdrom ? O_NONBLOCK : 0));
357		#else
358		int fd = open(name, read_only ? O_RDONLY : O_RDWR);
#	Line 294 | Line 374 | void *Sys_open(const char *name, bool re
374		if (fh->is_file) {
375		// Detect disk image file layout
376		loff_t size = 0;
297	–	#if defined(__linux__)
298	–	_llseek(fh->fd, 0, 0, &size, SEEK_END);
299	–	#else
377		size = lseek(fd, 0, SEEK_END);
301	–	#endif
378		uint8 data[256];
379		lseek(fd, 0, SEEK_SET);
380		read(fd, data, 256);
#	Line 333 | Line 409 | void *Sys_open(const char *name, bool re
409		fh->is_floppy = ((st.st_rdev >> 16) == 2);
410		#endif
411		}
412	+	#if defined(__APPLE__) && defined(__MACH__)
413	+
414	+	// In OS X, the device name is OK for sending ioctls to,
415	+	// but not for reading raw CDROM data from.
416	+	// (it seems to have extra data padded in)
417	+	//
418	+	// So, we keep the already opened fiole handle,
419	+	// and open a slightly different file for CDROM data
420	+	//
421	+	if ( is_cdrom )
422	+	{
423	+	fh->ioctl_name  = fh->name;
424	+	fh->ioctl_fd    = fh->fd;
425	+
426	+	fh->name = (char *) malloc(strlen(name) + 2);
427	+	if ( fh->name )
428	+	{
429	+	*fh->name = '\0';
430	+	strcat(fh->name, name);
431	+	strcat(fh->name, "s1");
432	+	fh->fd = open(fh->name, (read_only ? O_RDONLY : O_RDWR));
433	+	if ( fh->fd < 0 ) {
434	+	printf("WARNING: Cannot open %s (%s)\n",
435	+	fh->name, strerror(errno));
436	+	return NULL;
437	+	}
438	+	}
439	+	}
440	+	#endif
441		}
442		}
443		if (fh->is_floppy && first_floppy == NULL)
#	Line 374 | Line 479 | size_t Sys_read(void *arg, void *buffer,
479		return 0;
480
481		// Seek to position
377	–	#if defined(__linux__)
378	–	loff_t pos = offset + fh->start_byte, res;
379	–	if (_llseek(fh->fd, pos >> 32, pos, &res, SEEK_SET) < 0)
380	–	return 0;
381	–	#else
482		if (lseek(fh->fd, offset + fh->start_byte, SEEK_SET) < 0)
483		return 0;
384	–	#endif
484
485		// Read data
486		return read(fh->fd, buffer, length);
#	Line 400 | Line 499 | size_t Sys_write(void *arg, void *buffer
499		return 0;
500
501		// Seek to position
403	–	#if defined(__linux__)
404	–	loff_t pos = offset + fh->start_byte, res;
405	–	if (_llseek(fh->fd, pos >> 32, pos, &res, SEEK_SET) < 0)
406	–	return 0;
407	–	#else
502		if (lseek(fh->fd, offset + fh->start_byte, SEEK_SET) < 0)
503		return 0;
410	–	#endif
504
505		// Write data
506		return write(fh->fd, buffer, length);
#	Line 428 | Line 521 | loff_t SysGetFileSize(void *arg)
521		return fh->file_size;
522		else {
523		#if defined(__linux__)
524	<	loff_t pos = 0;
525	<	_llseek(fh->fd, 0, 0, &pos, SEEK_END);
526	<	return pos - fh->start_byte;
524	>	long blocks;
525	>	if (ioctl(fh->fd, BLKGETSIZE, &blocks) < 0)
526	>	return 0;
527	>	D(bug(" BLKGETSIZE returns %d blocks\n", blocks));
528	>	return (loff_t)blocks * 512;
529		#else
530		return lseek(fh->fd, 0, SEEK_END) - fh->start_byte;
531		#endif
#	Line 453 | Line 548 | void SysEject(void *arg)
548		fsync(fh->fd);
549		ioctl(fh->fd, FDFLUSH);
550		ioctl(fh->fd, FDEJECT);
551	+	close(fh->fd);  // Close and reopen so the driver will see the media change
552	+	fh->fd = open(fh->name, fh->read_only ? O_RDONLY : O_RDWR);
553		} else if (fh->is_cdrom) {
554		ioctl(fh->fd, CDROMEJECT);
555		close(fh->fd);  // Close and reopen so the driver will see the media change
#	Line 461 | Line 558 | void SysEject(void *arg)
558		#elif defined(__FreeBSD__) || defined(__NetBSD__)
559		if (fh->is_floppy) {
560		fsync(fh->fd);
464	–	//ioctl(fh->fd, FDFLUSH);
465	–	//ioctl(fh->fd, FDEJECT);
561		} else if (fh->is_cdrom) {
562		ioctl(fh->fd, CDIOCEJECT);
563		close(fh->fd);  // Close and reopen so the driver will see the media change
564		fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK);
565		}
566	+	#elif defined(__APPLE__) && defined(__MACH__)
567	+	if ( fh->is_cdrom ) {
568	+
569	+	// Stolen from IOKit/storage/IOMediaBSDClient.h
570	+	#define DKIOCEJECT _IO('d', 21)
571	+
572	+	close(fh->fd);
573	+	if ( ioctl(fh->ioctl_fd, DKIOCEJECT) < 0 )
574	+	{
575	+	printf("ioctl(DKIOCEJECT) failed on file %s: %s\n",
576	+	fh->ioctl_name, strerror(errno));
577	+
578	+	// If we are running OSX, the device may be is busy
579	+	// due to the Finder having the disk mounted and open,
580	+	// so we have to use another method.
581	+
582	+	// The only problem is that this takes about 5 seconds:
583	+
584	+	char    *cmd = (char *) malloc(30+sizeof(fh->name));
585	+
586	+	if ( ! cmd )
587	+	return;
588	+	close(fh->ioctl_fd);
589	+	sprintf(cmd, "diskutil eject %s 2>&1 >/dev/null", fh->name);
590	+	system(cmd);
591	+	}
592	+	}
593		#endif
594		}
595
#	Line 544 | Line 666 | bool SysIsDiskInserted(void *arg)
666		} else if (fh->is_floppy) {
667		char block[512];
668		lseek(fh->fd, 0, SEEK_SET);
669	<	return read(fh->fd, block, 512) == 512;
669	>	ssize_t actual = read(fh->fd, block, 512);
670	>	if (actual < 0) {
671	>	close(fh->fd);  // Close and reopen so the driver will see the media change
672	>	fh->fd = open(fh->name, fh->read_only ? O_RDONLY : O_RDWR);
673	>	actual = read(fh->fd, block, 512);
674	>	}
675	>	return actual == 512;
676		} else if (fh->is_cdrom) {
677	+	#ifdef CDROM_MEDIA_CHANGED
678	+	if (fh->cdrom_cap & CDC_MEDIA_CHANGED) {
679	+	// If we don't do this, all attempts to read from a disc fail
680	+	// once the tray has been opened (altough the TOC reads fine).
681	+	// Can somebody explain this to me?
682	+	if (ioctl(fh->fd, CDROM_MEDIA_CHANGED) == 1) {
683	+	close(fh->fd);
684	+	fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK);
685	+	}
686	+	}
687	+	#endif
688		#ifdef CDROM_DRIVE_STATUS
689		if (fh->cdrom_cap & CDC_DRIVE_STATUS) {
690		return ioctl(fh->fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) == CDS_DISC_OK;
#	Line 657 | Line 796 | bool SysCDReadTOC(void *arg, uint8 *toc)
796		*toc++ = toc_size >> 8;
797		*toc++ = toc_size & 0xff;
798		return true;
799	+	#elif defined(__APPLE__) && defined(__MACH__) && defined(MAC_OS_X_VERSION_10_2) && defined(HAVE_FRAMEWORK_COREFOUNDATION)
800	+	extern  bool    DarwinCDReadTOC(char *name, uint8 *toc);
801	+
802	+	return  DarwinCDReadTOC(fh->name, toc);
803		#elif defined(__FreeBSD__)
804		uint8 *p = toc + 2;
805
#	Line 727 | Line 870 | bool SysCDReadTOC(void *arg, uint8 *toc)
870		*toc++ = toc_size >> 8;
871		*toc++ = toc_size & 0xff;
872		return true;
873	+	#else
874	+	return false;
875		#endif
876		} else
877		return false;
#	Line 790 | Line 935 | bool SysCDGetPosition(void *arg, uint8 *
935		*pos++ = chan.data->what.position.reladdr.msf.second;
936		*pos++ = chan.data->what.position.reladdr.msf.frame;
937		return true;
938	+	#else
939	+	return false;
940		#endif
941		} else
942		return false;
#	Line 825 | Line 972 | bool SysCDPlay(void *arg, uint8 start_m,
972		play.end_s = end_s;
973		play.end_f = end_f;
974		return ioctl(fh->fd, CDIOCPLAYMSF, &play) == 0;
975	+	#else
976	+	return false;
977		#endif
978		} else
979		return false;
#	Line 846 | Line 995 | bool SysCDPause(void *arg)
995		return ioctl(fh->fd, CDROMPAUSE) == 0;
996		#elif defined(__FreeBSD__) || defined(__NetBSD__)
997		return ioctl(fh->fd, CDIOCPAUSE) == 0;
998	+	#else
999	+	return false;
1000		#endif
1001		} else
1002		return false;
#	Line 867 | Line 1018 | bool SysCDResume(void *arg)
1018		return ioctl(fh->fd, CDROMRESUME) == 0;
1019		#elif defined(__FreeBSD__) || defined(__NetBSD__)
1020		return ioctl(fh->fd, CDIOCRESUME) == 0;
1021	+	#else
1022	+	return false;
1023		#endif
1024		} else
1025		return false;
#	Line 888 | Line 1041 | bool SysCDStop(void *arg, uint8 lead_out
1041		return ioctl(fh->fd, CDROMSTOP) == 0;
1042		#elif defined(__FreeBSD__) || defined(__NetBSD__)
1043		return ioctl(fh->fd, CDIOCSTOP) == 0;
1044	+	#else
1045	+	return false;
1046		#endif
1047		} else
1048		return false;

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