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

Comparing BasiliskII/src/Unix/sys_unix.cpp (file contents):
Revision 1.2 by cebix, 1999-10-03T17:45:08Z vs.
Revision 1.18 by cebix, 2002-04-28T14:06:17Z

#	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) 1997-2002 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 25 | Line 25
25		#include <errno.h>
26
27		#ifdef __linux__
28	+	#include <sys/mount.h>
29		#include <linux/cdrom.h>
30		#include <linux/fd.h>
31		#include <linux/major.h>
32		#include <linux/kdev_t.h>
33		#include <linux/unistd.h>
34	+	#include <dirent.h>
35
36		#ifdef __NR__llseek
37	<	_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, loff_t *, res, uint, wh);
37	>	_syscall5(int, _llseek, unsigned int, fd, unsigned long, hi, unsigned long, lo, loff_t *, res, unsigned int, wh);
38		#else
39	<	static int _llseek(uint fd, ulong hi, ulong lo, loff_t *res, uint wh)
39	>	static int _llseek(unsigned int fd, unsigned long hi, unsigned long lo, loff_t *res, unsigned int wh)
40		{
41		if (hi)
42		return -1;
#	Line 46 | Line 48 | static int _llseek(uint fd, ulong hi, ul
48		#endif
49		#endif
50
51	<	#ifdef __FreeBSD__
51	>	#if defined(__FreeBSD__) || defined(__NetBSD__)
52		#include <sys/cdio.h>
53		#endif
54
#	Line 119 | Line 121 | void SysMountFirstFloppy(void)
121		void SysAddFloppyPrefs(void)
122		{
123		#if defined(__linux__)
124	<	PrefsAddString("floppy", "/dev/fd0H1440");
125	<	PrefsAddString("floppy", "/dev/fd1H1440");
124	>	if (access("/dev/.devfsd", F_OK) < 0) {
125	>	PrefsAddString("floppy", "/dev/fd0u1440");
126	>	PrefsAddString("floppy", "/dev/fd1u1440");
127	>	} else {
128	>	DIR *fd_dir = opendir("/dev/floppy");
129	>	if (fd_dir) {
130	>	struct dirent *floppy_dev;
131	>	while ((floppy_dev = readdir(fd_dir)) != NULL) {
132	>	if (strstr(floppy_dev->d_name, "u1440") != NULL) {
133	>	char fd_dev[20];
134	>	sprintf(fd_dev, "/dev/floppy/%s", floppy_dev->d_name);
135	>	PrefsAddString("floppy", fd_dev);
136	>	}
137	>	}
138	>	closedir(fd_dir);
139	>	}
140	>	}
141	>	#elif defined(__NetBSD__)
142	>	PrefsAddString("floppy", "/dev/fd0a");
143	>	PrefsAddString("floppy", "/dev/fd1a");
144		#else
145		PrefsAddString("floppy", "/dev/fd0");
146		PrefsAddString("floppy", "/dev/fd1");
#	Line 142 | Line 162 | void SysAddDiskPrefs(void)
162		while(fgets(line, 255, f)) {
163		// Read line
164		int len = strlen(line);
165	<	if (len == 0)
165	>	if (len == 0 || line[0] == '#')
166		continue;
167		line[len-1] = 0;
168
169		// Parse line
170		char *dev, *mnt_point, *fstype;
171	<	if (sscanf(line, "%s %s %s", &dev, &mnt_point, &fstype) == 3) {
171	>	if (sscanf(line, "%as %as %as", &dev, &mnt_point, &fstype) == 3) {
172		if (strcmp(fstype, "hfs") == 0)
173		PrefsAddString("disk", dev);
174		}
175	+	free(dev); free(mnt_point); free(fstype);
176		}
177		fclose(f);
178		}
#	Line 171 | Line 192 | void SysAddCDROMPrefs(void)
192		return;
193
194		#if defined(__linux__)
195	<	PrefsAddString("cdrom", "/dev/cdrom");
196	<	#elif defined(__FreeBSD__)
195	>	if (access("/dev/.devfsd", F_OK) < 0)
196	>	PrefsAddString("cdrom", "/dev/cdrom");
197	>	else {
198	>	DIR *cd_dir = opendir("/dev/cdroms");
199	>	if (cd_dir) {
200	>	struct dirent *cdrom_dev;
201	>	while ((cdrom_dev = readdir(cd_dir)) != NULL) {
202	>	if (strcmp(cdrom_dev->d_name, ".") != 0 && strcmp(cdrom_dev->d_name, "..") != 0) {
203	>	char cd_dev[20];
204	>	sprintf(cd_dev, "/dev/cdroms/%s", cdrom_dev->d_name);
205	>	PrefsAddString("cdrom", cd_dev);
206	>	}
207	>	}
208	>	closedir(cd_dir);
209	>	}
210	>	}
211	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
212		PrefsAddString("cdrom", "/dev/cd0c");
213		#endif
214		}
#	Line 185 | Line 221 | void SysAddCDROMPrefs(void)
221		void SysAddSerialPrefs(void)
222		{
223		#if defined(__linux__)
224	<	PrefsAddString("seriala", "/dev/ttyS0");
225	<	PrefsAddString("serialb", "/dev/ttyS1");
224	>	if (access("/dev/.devfsd", F_OK) < 0) {
225	>	PrefsAddString("seriala", "/dev/ttyS0");
226	>	PrefsAddString("serialb", "/dev/ttyS1");
227	>	} else {
228	>	PrefsAddString("seriala", "/dev/tts/0");
229	>	PrefsAddString("serialb", "/dev/tts/1");
230	>	}
231		#elif defined(__FreeBSD__)
232		PrefsAddString("seriala", "/dev/cuaa0");
233		PrefsAddString("serialb", "/dev/cuaa1");
234	+	#elif defined(__NetBSD__)
235	+	PrefsAddString("seriala", "/dev/tty00");
236	+	PrefsAddString("serialb", "/dev/tty01");
237		#endif
238		}
239
#	Line 214 | Line 258 | static bool is_drive_mounted(const char
258		// Parse line
259		if (strncmp(line, dev_name, strlen(dev_name)) == 0) {
260		mount_name[0] = 0;
261	<	char dummy[256];
262	<	sscanf(line, "%s %s", dummy, mount_name);
261	>	char *dummy;
262	>	sscanf(line, "%as %s", &dummy, mount_name);
263	>	free(dummy);
264		fclose(f);
265		return true;
266		}
#	Line 234 | Line 279 | static bool is_drive_mounted(const char
279		void *Sys_open(const char *name, bool read_only)
280		{
281		bool is_file = strncmp(name, "/dev/", 5) != 0;
282	<	#ifdef __FreeBSD__
282	>	#if defined(__FreeBSD__)
283		// SCSI                             IDE
284		bool is_cdrom = strncmp(name, "/dev/cd", 7) == 0 || strncmp(name, "/dev/acd", 8) == 0;
285		#else
#	Line 262 | Line 307 | void *Sys_open(const char *name, bool re
307		}
308
309		// Open file/device
310	<	#ifdef __linux__
310	>	#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__)
311		int fd = open(name, (read_only ? O_RDONLY : O_RDWR) | (is_cdrom ? O_NONBLOCK : 0));
312		#else
313		int fd = open(name, read_only ? O_RDONLY : O_RDWR);
#	Line 284 | Line 329 | void *Sys_open(const char *name, bool re
329		if (fh->is_file) {
330		// Detect disk image file layout
331		loff_t size = 0;
332	<	#ifdef __linux__
332	>	#if defined(__linux__)
333		_llseek(fh->fd, 0, 0, &size, SEEK_END);
334		#else
335		size = lseek(fd, 0, SEEK_END);
#	Line 319 | Line 364 | void *Sys_open(const char *name, bool re
364		#else
365		fh->cdrom_cap = 0;
366		#endif
367	+	#elif defined(__NetBSD__)
368	+	fh->is_floppy = ((st.st_rdev >> 16) == 2);
369		#endif
370		}
371		}
#	Line 362 | Line 409 | size_t Sys_read(void *arg, void *buffer,
409		return 0;
410
411		// Seek to position
412	<	#ifdef __linux__
412	>	#if defined(__linux__)
413		loff_t pos = offset + fh->start_byte, res;
414		if (_llseek(fh->fd, pos >> 32, pos, &res, SEEK_SET) < 0)
415		return 0;
#	Line 388 | Line 435 | size_t Sys_write(void *arg, void *buffer
435		return 0;
436
437		// Seek to position
438	<	#ifdef __linux__
438	>	#if defined(__linux__)
439		loff_t pos = offset + fh->start_byte, res;
440		if (_llseek(fh->fd, pos >> 32, pos, &res, SEEK_SET) < 0)
441		return 0;
#	Line 415 | Line 462 | loff_t SysGetFileSize(void *arg)
462		if (fh->is_file)
463		return fh->file_size;
464		else {
465	<	#ifdef __linux__
466	<	loff_t pos = 0;
467	<	_llseek(fh->fd, 0, 0, &pos, SEEK_END);
468	<	return pos - fh->start_byte;
465	>	#if defined(__linux__)
466	>	long blocks;
467	>	if (ioctl(fh->fd, BLKGETSIZE, &blocks) < 0)
468	>	return 0;
469	>	D(bug(" BLKGETSIZE returns %d blocks\n", blocks));
470	>	return (loff_t)blocks * 512;
471		#else
472		return lseek(fh->fd, 0, SEEK_END) - fh->start_byte;
473		#endif
#	Line 441 | Line 490 | void SysEject(void *arg)
490		fsync(fh->fd);
491		ioctl(fh->fd, FDFLUSH);
492		ioctl(fh->fd, FDEJECT);
493	+	close(fh->fd);  // Close and reopen so the driver will see the media change
494	+	fh->fd = open(fh->name, fh->read_only ? O_RDONLY : O_RDWR);
495		} else if (fh->is_cdrom) {
496		ioctl(fh->fd, CDROMEJECT);
497		close(fh->fd);  // Close and reopen so the driver will see the media change
498		fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK);
499		}
500	<	#elif defined(__FreeBSD__)
500	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
501		if (fh->is_floppy) {
502		fsync(fh->fd);
452	–	//ioctl(fh->fd, FDFLUSH);
453	–	//ioctl(fh->fd, FDEJECT);
503		} else if (fh->is_cdrom) {
504		ioctl(fh->fd, CDIOCEJECT);
505		close(fh->fd);  // Close and reopen so the driver will see the media change
#	Line 485 | Line 534 | bool SysIsReadOnly(void *arg)
534		if (!fh)
535		return true;
536
537	<	#ifdef __linux__
537	>	#if defined(__linux__)
538		if (fh->is_floppy) {
539		struct floppy_drive_struct stat;
540		ioctl(fh->fd, FDGETDRVSTAT, &stat);
#	Line 532 | Line 581 | bool SysIsDiskInserted(void *arg)
581		} else if (fh->is_floppy) {
582		char block[512];
583		lseek(fh->fd, 0, SEEK_SET);
584	<	return read(fh->fd, block, 512) == 512;
584	>	ssize_t actual = read(fh->fd, block, 512);
585	>	if (actual < 0) {
586	>	close(fh->fd);  // Close and reopen so the driver will see the media change
587	>	fh->fd = open(fh->name, fh->read_only ? O_RDONLY : O_RDWR);
588	>	actual = read(fh->fd, block, 512);
589	>	}
590	>	return actual == 512;
591		} else if (fh->is_cdrom) {
592	+	#ifdef CDROM_MEDIA_CHANGED
593	+	if (fh->cdrom_cap & CDC_MEDIA_CHANGED) {
594	+	// If we don't do this, all attempts to read from a disc fail
595	+	// once the tray has been opened (altough the TOC reads fine).
596	+	// Can somebody explain this to me?
597	+	if (ioctl(fh->fd, CDROM_MEDIA_CHANGED) == 1) {
598	+	close(fh->fd);
599	+	fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK);
600	+	}
601	+	}
602	+	#endif
603		#ifdef CDROM_DRIVE_STATUS
604		if (fh->cdrom_cap & CDC_DRIVE_STATUS) {
605		return ioctl(fh->fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) == CDS_DISC_OK;
#	Line 541 | Line 607 | bool SysIsDiskInserted(void *arg)
607		#endif
608		cdrom_tochdr header;
609		return ioctl(fh->fd, CDROMREADTOCHDR, &header) == 0;
610	<	#elif defined(__FreeBSD__)
610	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
611		} else if (fh->is_floppy) {
612		return false;   //!!
613		} else if (fh->is_cdrom) {
#	Line 691 | Line 757 | bool SysCDReadTOC(void *arg, uint8 *toc)
757		*toc++ = toc_size >> 8;
758		*toc++ = toc_size & 0xff;
759		return true;
760	+	#elif defined(__NetBSD__)
761	+	uint8 *p = toc + 2;
762	+
763	+	// Header
764	+	struct ioc_toc_header header;
765	+	if (ioctl(fh->fd, CDIOREADTOCHEADER, &header) < 0)
766	+	return false;
767	+	*p++ = header.starting_track;
768	+	*p++ = header.ending_track;
769	+
770	+	// Tracks (this is nice... :-)
771	+	struct ioc_read_toc_entry entries;
772	+	entries.address_format = CD_MSF_FORMAT;
773	+	entries.starting_track = 1;
774	+	entries.data_len = 800;
775	+	entries.data = (cd_toc_entry *)p;
776	+	if (ioctl(fh->fd, CDIOREADTOCENTRIES, &entries) < 0)
777	+	return false;
778	+
779	+	// TOC size
780	+	int toc_size = p - toc;
781	+	*toc++ = toc_size >> 8;
782	+	*toc++ = toc_size & 0xff;
783	+	return true;
784	+	#else
785	+	return false;
786		#endif
787		} else
788		return false;
#	Line 730 | Line 822 | bool SysCDGetPosition(void *arg, uint8 *
822		*pos++ = chan.cdsc_reladdr.msf.second;
823		*pos++ = chan.cdsc_reladdr.msf.frame;
824		return true;
825	<	#elif defined(__FreeBSD__)
825	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
826		struct ioc_read_subchannel chan;
827		chan.data_format = CD_MSF_FORMAT;
828		chan.address_format = CD_MSF_FORMAT;
#	Line 754 | Line 846 | bool SysCDGetPosition(void *arg, uint8 *
846		*pos++ = chan.data->what.position.reladdr.msf.second;
847		*pos++ = chan.data->what.position.reladdr.msf.frame;
848		return true;
849	+	#else
850	+	return false;
851		#endif
852		} else
853		return false;
#	Line 780 | Line 874 | bool SysCDPlay(void *arg, uint8 start_m,
874		play.cdmsf_sec1 = end_s;
875		play.cdmsf_frame1 = end_f;
876		return ioctl(fh->fd, CDROMPLAYMSF, &play) == 0;
877	<	#elif defined(__FreeBSD__)
877	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
878		struct ioc_play_msf play;
879		play.start_m = start_m;
880		play.start_s = start_s;
#	Line 789 | Line 883 | bool SysCDPlay(void *arg, uint8 start_m,
883		play.end_s = end_s;
884		play.end_f = end_f;
885		return ioctl(fh->fd, CDIOCPLAYMSF, &play) == 0;
886	+	#else
887	+	return false;
888		#endif
889		} else
890		return false;
#	Line 808 | Line 904 | bool SysCDPause(void *arg)
904		if (fh->is_cdrom) {
905		#if defined(__linux__)
906		return ioctl(fh->fd, CDROMPAUSE) == 0;
907	<	#elif defined(__FreeBSD__)
907	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
908		return ioctl(fh->fd, CDIOCPAUSE) == 0;
909	+	#else
910	+	return false;
911		#endif
912		} else
913		return false;
#	Line 829 | Line 927 | bool SysCDResume(void *arg)
927		if (fh->is_cdrom) {
928		#if defined(__linux__)
929		return ioctl(fh->fd, CDROMRESUME) == 0;
930	<	#elif defined(__FreeBSD__)
930	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
931		return ioctl(fh->fd, CDIOCRESUME) == 0;
932	+	#else
933	+	return false;
934		#endif
935		} else
936		return false;
#	Line 850 | Line 950 | bool SysCDStop(void *arg, uint8 lead_out
950		if (fh->is_cdrom) {
951		#if defined(__linux__)
952		return ioctl(fh->fd, CDROMSTOP) == 0;
953	<	#elif defined(__FreeBSD__)
953	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
954		return ioctl(fh->fd, CDIOCSTOP) == 0;
955	+	#else
956	+	return false;
957		#endif
958		} else
959		return false;
#	Line 889 | Line 991 | void SysCDSetVolume(void *arg, uint8 lef
991		vol.channel0 = vol.channel2 = left;
992		vol.channel1 = vol.channel3 = right;
993		ioctl(fh->fd, CDROMVOLCTRL, &vol);
994	<	#elif defined(__FreeBSD__)
994	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
995		struct ioc_vol vol;
996		vol.vol[0] = vol.vol[2] = left;
997		vol.vol[1] = vol.vol[3] = right;
#	Line 916 | Line 1018 | void SysCDGetVolume(void *arg, uint8 &le
1018		ioctl(fh->fd, CDROMVOLREAD, &vol);
1019		left = vol.channel0;
1020		right = vol.channel1;
1021	<	#elif defined(__FreeBSD__)
1021	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
1022		struct ioc_vol vol;
1023		ioctl(fh->fd, CDIOCGETVOL, &vol);
1024		left = vol.vol[0];

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