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

Comparing BasiliskII/src/Unix/sys_unix.cpp (file contents):
Revision 1.6 by cebix, 2000-02-21T20:04:17Z vs.
Revision 1.24 by gbeauche, 2005-01-30T21:42:14Z

#	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>
#	Line 31 | Line 35
35		#include <linux/major.h>
36		#include <linux/kdev_t.h>
37		#include <linux/unistd.h>
38	+	#include <dirent.h>
39
40		#ifdef __NR__llseek
41	<	_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, loff_t *, res, uint, wh);
41	>	_syscall5(int, _llseek, unsigned int, fd, unsigned long, hi, unsigned long, lo, loff_t *, res, unsigned int, wh);
42		#else
43	<	static int _llseek(uint fd, ulong hi, ulong lo, loff_t *res, uint wh)
43	>	static int _llseek(unsigned int fd, unsigned long hi, unsigned long lo, loff_t *res, unsigned int wh)
44		{
45		if (hi)
46		return -1;
#	Line 76 | Line 81 | struct file_handle {
81		int cdrom_cap;          // CD-ROM capability flags (only valid if is_cdrom is true)
82		#elif defined(__FreeBSD__)
83		struct ioc_capability cdrom_cap;
84	+	#elif defined(__APPLE__) && defined(__MACH__)
85	+	char    *ioctl_name;    // For CDs on OS X - a device for special ioctls
86	+	int             ioctl_fd;
87		#endif
88		};
89
#	Line 120 | Line 128 | void SysMountFirstFloppy(void)
128		void SysAddFloppyPrefs(void)
129		{
130		#if defined(__linux__)
131	<	PrefsAddString("floppy", "/dev/fd0H1440");
132	<	PrefsAddString("floppy", "/dev/fd1H1440");
131	>	if (access("/dev/.devfsd", F_OK) < 0) {
132	>	PrefsAddString("floppy", "/dev/fd0u1440");
133	>	PrefsAddString("floppy", "/dev/fd1u1440");
134	>	} else {
135	>	DIR *fd_dir = opendir("/dev/floppy");
136	>	if (fd_dir) {
137	>	struct dirent *floppy_dev;
138	>	while ((floppy_dev = readdir(fd_dir)) != NULL) {
139	>	if (strstr(floppy_dev->d_name, "u1440") != NULL) {
140	>	char fd_dev[20];
141	>	sprintf(fd_dev, "/dev/floppy/%s", floppy_dev->d_name);
142	>	PrefsAddString("floppy", fd_dev);
143	>	}
144	>	}
145	>	closedir(fd_dir);
146	>	}
147	>	}
148		#elif defined(__NetBSD__)
149		PrefsAddString("floppy", "/dev/fd0a");
150		PrefsAddString("floppy", "/dev/fd1a");
151	+	#elif defined(__APPLE__) && defined(__MACH__)
152	+	#if defined(AQUA) || defined(HAVE_FRAMEWORK_IOKIT)
153	+	extern  void DarwinAddFloppyPrefs(void);
154	+
155	+	DarwinAddFloppyPrefs();
156	+	#else
157	+	// Until I can convince the other guys that my Darwin code is useful,
158	+	// we just add something safe (a non-existant device):
159	+	PrefsAddString("floppy", "/dev/null");
160	+	#endif
161		#else
162		PrefsAddString("floppy", "/dev/fd0");
163		PrefsAddString("floppy", "/dev/fd1");
#	Line 135 | Line 168 | void SysAddFloppyPrefs(void)
168		/*
169		*  This gets called when no "disk" prefs items are found
170		*  It scans for available HFS volumes and adds appropriate prefs items
171	+	*      On OS X, we could do the same, but on an OS X machine I think it is
172	+	*      very unlikely that any mounted volumes would contain a system which
173	+	*      is old enough to boot a 68k Mac, so we just do nothing here for now.
174		*/
175
176		void SysAddDiskPrefs(void)
#	Line 146 | Line 182 | void SysAddDiskPrefs(void)
182		while(fgets(line, 255, f)) {
183		// Read line
184		int len = strlen(line);
185	<	if (len == 0)
185	>	if (len == 0 || line[0] == '#')
186		continue;
187		line[len-1] = 0;
188
#	Line 176 | Line 212 | void SysAddCDROMPrefs(void)
212		return;
213
214		#if defined(__linux__)
215	<	PrefsAddString("cdrom", "/dev/cdrom");
216	<	#elif defined(__FreeBSD__)
215	>	if (access("/dev/.devfsd", F_OK) < 0)
216	>	PrefsAddString("cdrom", "/dev/cdrom");
217	>	else {
218	>	DIR *cd_dir = opendir("/dev/cdroms");
219	>	if (cd_dir) {
220	>	struct dirent *cdrom_dev;
221	>	while ((cdrom_dev = readdir(cd_dir)) != NULL) {
222	>	if (strcmp(cdrom_dev->d_name, ".") != 0 && strcmp(cdrom_dev->d_name, "..") != 0) {
223	>	char cd_dev[20];
224	>	sprintf(cd_dev, "/dev/cdroms/%s", cdrom_dev->d_name);
225	>	PrefsAddString("cdrom", cd_dev);
226	>	}
227	>	}
228	>	closedir(cd_dir);
229	>	}
230	>	}
231	>	#elif defined(__APPLE__) && defined(__MACH__)
232	>	#if defined(AQUA) || defined(HAVE_FRAMEWORK_IOKIT)
233	>	extern  void DarwinAddCDROMPrefs(void);
234	>
235	>	DarwinAddCDROMPrefs();
236	>	#else
237	>	// Until I can convince the other guys that my Darwin code is useful,
238	>	// we just do nothing (it is safe to have no cdrom device)
239	>	#endif
240	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
241		PrefsAddString("cdrom", "/dev/cd0c");
182	–	#elif defined(__NetBSD__)
183	–	PrefsAddString("cdrom", "/dev/cd0d");
242		#endif
243		}
244
#	Line 192 | Line 250 | void SysAddCDROMPrefs(void)
250		void SysAddSerialPrefs(void)
251		{
252		#if defined(__linux__)
253	<	PrefsAddString("seriala", "/dev/ttyS0");
254	<	PrefsAddString("serialb", "/dev/ttyS1");
253	>	if (access("/dev/.devfsd", F_OK) < 0) {
254	>	PrefsAddString("seriala", "/dev/ttyS0");
255	>	PrefsAddString("serialb", "/dev/ttyS1");
256	>	} else {
257	>	PrefsAddString("seriala", "/dev/tts/0");
258	>	PrefsAddString("serialb", "/dev/tts/1");
259	>	}
260		#elif defined(__FreeBSD__)
261		PrefsAddString("seriala", "/dev/cuaa0");
262		PrefsAddString("serialb", "/dev/cuaa1");
263		#elif defined(__NetBSD__)
264		PrefsAddString("seriala", "/dev/tty00");
265		PrefsAddString("serialb", "/dev/tty01");
266	+	#elif defined(__APPLE__) && defined(__MACH__)
267	+	#if defined(AQUA) || defined(HAVE_FRAMEWORK_IOKIT)
268	+	extern  void DarwinAddSerialPrefs(void);
269	+
270	+	DarwinAddSerialPrefs();
271	+	#else
272	+	// Until I can convince the other guys that my Darwin code is useful,
273	+	// we just add something safe (non-existant devices):
274	+	PrefsAddString("seriala", "/dev/null");
275	+	PrefsAddString("serialb", "/dev/null");
276	+	#endif
277		#endif
278		}
279
#	Line 252 | Line 326 | void *Sys_open(const char *name, bool re
326		bool is_cdrom = strncmp(name, "/dev/cd", 7) == 0;
327		#endif
328
329	+	#if defined(__APPLE__) && defined(__MACH__)
330	+	//
331	+	// There is no set filename in /dev which is the cdrom,
332	+	// so we have to see if it is any of the devices that we found earlier
333	+	//
334	+	const char      *cdrom;
335	+	int                     tmp = 0;
336	+
337	+	while ( (cdrom = PrefsFindString("cdrom", tmp) ) != NULL )
338	+	{
339	+	if ( strcmp(name, cdrom) == 0 )
340	+	{
341	+	is_cdrom = 1;
342	+	read_only = 1;
343	+	break;
344	+	}
345	+	++tmp;
346	+	}
347	+	#endif
348	+
349		D(bug("Sys_open(%s, %s)\n", name, read_only ? "read-only" : "read/write"));
350
351		// Check if write access is allowed, set read-only flag if not
#	Line 273 | Line 367 | void *Sys_open(const char *name, bool re
367		}
368
369		// Open file/device
370	<	#if defined(__linux__)
370	>	#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__)
371		int fd = open(name, (read_only ? O_RDONLY : O_RDWR) | (is_cdrom ? O_NONBLOCK : 0));
372		#else
373		int fd = open(name, read_only ? O_RDONLY : O_RDWR);
#	Line 334 | Line 428 | void *Sys_open(const char *name, bool re
428		fh->is_floppy = ((st.st_rdev >> 16) == 2);
429		#endif
430		}
431	+	#if defined(__APPLE__) && defined(__MACH__)
432	+
433	+	// In OS X, the device name is OK for sending ioctls to,
434	+	// but not for reading raw CDROM data from.
435	+	// (it seems to have extra data padded in)
436	+	//
437	+	// So, we keep the already opened fiole handle,
438	+	// and open a slightly different file for CDROM data
439	+	//
440	+	if ( is_cdrom )
441	+	{
442	+	fh->ioctl_name  = fh->name;
443	+	fh->ioctl_fd    = fh->fd;
444	+
445	+	fh->name = (char *) malloc(strlen(name) + 2);
446	+	if ( fh->name )
447	+	{
448	+	*fh->name = '\0';
449	+	strcat(fh->name, name);
450	+	strcat(fh->name, "s1");
451	+	fh->fd = open(fh->name, (read_only ? O_RDONLY : O_RDWR));
452	+	if ( fh->fd < 0 ) {
453	+	printf("WARNING: Cannot open %s (%s)\n",
454	+	fh->name, strerror(errno));
455	+	return NULL;
456	+	}
457	+	}
458	+	}
459	+	#endif
460		}
461		}
462		if (fh->is_floppy && first_floppy == NULL)
#	Line 456 | Line 579 | void SysEject(void *arg)
579		fsync(fh->fd);
580		ioctl(fh->fd, FDFLUSH);
581		ioctl(fh->fd, FDEJECT);
582	+	close(fh->fd);  // Close and reopen so the driver will see the media change
583	+	fh->fd = open(fh->name, fh->read_only ? O_RDONLY : O_RDWR);
584		} else if (fh->is_cdrom) {
585		ioctl(fh->fd, CDROMEJECT);
586		close(fh->fd);  // Close and reopen so the driver will see the media change
#	Line 464 | Line 589 | void SysEject(void *arg)
589		#elif defined(__FreeBSD__) || defined(__NetBSD__)
590		if (fh->is_floppy) {
591		fsync(fh->fd);
467	–	//ioctl(fh->fd, FDFLUSH);
468	–	//ioctl(fh->fd, FDEJECT);
592		} else if (fh->is_cdrom) {
593		ioctl(fh->fd, CDIOCEJECT);
594		close(fh->fd);  // Close and reopen so the driver will see the media change
595		fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK);
596		}
597	+	#elif defined(__APPLE__) && defined(__MACH__)
598	+	if ( fh->is_cdrom ) {
599	+
600	+	// Stolen from IOKit/storage/IOMediaBSDClient.h
601	+	#define DKIOCEJECT _IO('d', 21)
602	+
603	+	close(fh->fd);
604	+	if ( ioctl(fh->ioctl_fd, DKIOCEJECT) < 0 )
605	+	{
606	+	printf("ioctl(DKIOCEJECT) failed on file %s: %s\n",
607	+	fh->ioctl_name, strerror(errno));
608	+
609	+	// If we are running OSX, the device may be is busy
610	+	// due to the Finder having the disk mounted and open,
611	+	// so we have to use another method.
612	+
613	+	// The only problem is that this takes about 5 seconds:
614	+
615	+	char    *cmd = (char *) malloc(30+sizeof(fh->name));
616	+
617	+	if ( ! cmd )
618	+	return;
619	+	close(fh->ioctl_fd);
620	+	sprintf(cmd, "diskutil eject %s 2>&1 >/dev/null", fh->name);
621	+	system(cmd);
622	+	}
623	+	}
624		#endif
625		}
626
#	Line 547 | Line 697 | bool SysIsDiskInserted(void *arg)
697		} else if (fh->is_floppy) {
698		char block[512];
699		lseek(fh->fd, 0, SEEK_SET);
700	<	return read(fh->fd, block, 512) == 512;
700	>	ssize_t actual = read(fh->fd, block, 512);
701	>	if (actual < 0) {
702	>	close(fh->fd);  // Close and reopen so the driver will see the media change
703	>	fh->fd = open(fh->name, fh->read_only ? O_RDONLY : O_RDWR);
704	>	actual = read(fh->fd, block, 512);
705	>	}
706	>	return actual == 512;
707		} else if (fh->is_cdrom) {
708	+	#ifdef CDROM_MEDIA_CHANGED
709	+	if (fh->cdrom_cap & CDC_MEDIA_CHANGED) {
710	+	// If we don't do this, all attempts to read from a disc fail
711	+	// once the tray has been opened (altough the TOC reads fine).
712	+	// Can somebody explain this to me?
713	+	if (ioctl(fh->fd, CDROM_MEDIA_CHANGED) == 1) {
714	+	close(fh->fd);
715	+	fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK);
716	+	}
717	+	}
718	+	#endif
719		#ifdef CDROM_DRIVE_STATUS
720		if (fh->cdrom_cap & CDC_DRIVE_STATUS) {
721		return ioctl(fh->fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) == CDS_DISC_OK;
#	Line 660 | Line 827 | bool SysCDReadTOC(void *arg, uint8 *toc)
827		*toc++ = toc_size >> 8;
828		*toc++ = toc_size & 0xff;
829		return true;
830	+	#elif defined(__APPLE__) && defined(__MACH__) && defined(MAC_OS_X_VERSION_10_2)
831	+	extern  bool    DarwinCDReadTOC(char *name, uint8 *toc);
832	+
833	+	return  DarwinCDReadTOC(fh->name, toc);
834		#elif defined(__FreeBSD__)
835		uint8 *p = toc + 2;
836
#	Line 730 | Line 901 | bool SysCDReadTOC(void *arg, uint8 *toc)
901		*toc++ = toc_size >> 8;
902		*toc++ = toc_size & 0xff;
903		return true;
904	+	#else
905	+	return false;
906		#endif
907		} else
908		return false;
#	Line 793 | Line 966 | bool SysCDGetPosition(void *arg, uint8 *
966		*pos++ = chan.data->what.position.reladdr.msf.second;
967		*pos++ = chan.data->what.position.reladdr.msf.frame;
968		return true;
969	+	#else
970	+	return false;
971		#endif
972		} else
973		return false;
#	Line 828 | Line 1003 | bool SysCDPlay(void *arg, uint8 start_m,
1003		play.end_s = end_s;
1004		play.end_f = end_f;
1005		return ioctl(fh->fd, CDIOCPLAYMSF, &play) == 0;
1006	+	#else
1007	+	return false;
1008		#endif
1009		} else
1010		return false;
#	Line 849 | Line 1026 | bool SysCDPause(void *arg)
1026		return ioctl(fh->fd, CDROMPAUSE) == 0;
1027		#elif defined(__FreeBSD__) || defined(__NetBSD__)
1028		return ioctl(fh->fd, CDIOCPAUSE) == 0;
1029	+	#else
1030	+	return false;
1031		#endif
1032		} else
1033		return false;
#	Line 870 | Line 1049 | bool SysCDResume(void *arg)
1049		return ioctl(fh->fd, CDROMRESUME) == 0;
1050		#elif defined(__FreeBSD__) || defined(__NetBSD__)
1051		return ioctl(fh->fd, CDIOCRESUME) == 0;
1052	+	#else
1053	+	return false;
1054		#endif
1055		} else
1056		return false;
#	Line 891 | Line 1072 | bool SysCDStop(void *arg, uint8 lead_out
1072		return ioctl(fh->fd, CDROMSTOP) == 0;
1073		#elif defined(__FreeBSD__) || defined(__NetBSD__)
1074		return ioctl(fh->fd, CDIOCSTOP) == 0;
1075	+	#else
1076	+	return false;
1077		#endif
1078		} else
1079		return false;

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