1/*-
2 * Copyright (c) 1982, 1986, 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)tty_compat.c 8.1 (Berkeley) 6/10/93
30 */
31
32#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 1982, 1986, 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)tty_compat.c 8.1 (Berkeley) 6/10/93
30 */
31
32#include <sys/cdefs.h>
|
37/*
38 * mapping routines for old line discipline (yuck)
39 */
40#if defined(COMPAT_43)
41
42#include <sys/param.h>
43#include <sys/systm.h>
44#include <sys/ioctl_compat.h>
45#include <sys/tty.h>
46#include <sys/kernel.h>
47#include <sys/sysctl.h>
48
49static int ttcompatgetflags(struct tty *tp);
50static void ttcompatsetflags(struct tty *tp, struct termios *t);
51static void ttcompatsetlflags(struct tty *tp, struct termios *t);
52static int ttcompatspeedtab(int speed, struct speedtab *table);
53
54static int ttydebug = 0;
55SYSCTL_INT(_debug, OID_AUTO, ttydebug, CTLFLAG_RW, &ttydebug, 0, "");
56
57static struct speedtab compatspeeds[] = {
58#define MAX_SPEED 17
59 { 115200, 17 },
60 { 57600, 16 },
61 { 38400, 15 },
62 { 19200, 14 },
63 { 9600, 13 },
64 { 4800, 12 },
65 { 2400, 11 },
66 { 1800, 10 },
67 { 1200, 9 },
68 { 600, 8 },
69 { 300, 7 },
70 { 200, 6 },
71 { 150, 5 },
72 { 134, 4 },
73 { 110, 3 },
74 { 75, 2 },
75 { 50, 1 },
76 { 0, 0 },
77 { -1, -1 },
78};
79static int compatspcodes[] = {
80 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200,
81 1800, 2400, 4800, 9600, 19200, 38400, 57600, 115200,
82};
83
84static int
85ttcompatspeedtab(int speed, struct speedtab *table)
86{
87 if (speed == 0)
88 return (0); /* hangup */
89 for ( ; table->sp_speed > 0; table++)
90 if (table->sp_speed <= speed) /* nearest one, rounded down */
91 return (table->sp_code);
92 return (1); /* 50, min and not hangup */
93}
94
95int
96ttsetcompat(struct tty *tp, u_long *com, caddr_t data, struct termios *term)
97{
98 switch (*com) {
99 case TIOCSETP:
100 case TIOCSETN: {
101 struct sgttyb *sg = (struct sgttyb *)data;
102 int speed;
103
104 if ((speed = sg->sg_ispeed) > MAX_SPEED || speed < 0)
105 return(EINVAL);
106 else if (speed != ttcompatspeedtab(tp->t_ispeed, compatspeeds))
107 term->c_ispeed = compatspcodes[speed];
108 else
109 term->c_ispeed = tp->t_ispeed;
110 if ((speed = sg->sg_ospeed) > MAX_SPEED || speed < 0)
111 return(EINVAL);
112 else if (speed != ttcompatspeedtab(tp->t_ospeed, compatspeeds))
113 term->c_ospeed = compatspcodes[speed];
114 else
115 term->c_ospeed = tp->t_ospeed;
116 term->c_cc[VERASE] = sg->sg_erase;
117 term->c_cc[VKILL] = sg->sg_kill;
118 tp->t_flags = (tp->t_flags&0xffff0000) | (sg->sg_flags&0xffff);
119 ttcompatsetflags(tp, term);
120 *com = (*com == TIOCSETP) ? TIOCSETAF : TIOCSETA;
121 break;
122 }
123 case TIOCSETC: {
124 struct tchars *tc = (struct tchars *)data;
125 cc_t *cc;
126
127 cc = term->c_cc;
128 cc[VINTR] = tc->t_intrc;
129 cc[VQUIT] = tc->t_quitc;
130 cc[VSTART] = tc->t_startc;
131 cc[VSTOP] = tc->t_stopc;
132 cc[VEOF] = tc->t_eofc;
133 cc[VEOL] = tc->t_brkc;
134 if (tc->t_brkc == (char)_POSIX_VDISABLE)
135 cc[VEOL2] = _POSIX_VDISABLE;
136 *com = TIOCSETA;
137 break;
138 }
139 case TIOCSLTC: {
140 struct ltchars *ltc = (struct ltchars *)data;
141 cc_t *cc;
142
143 cc = term->c_cc;
144 cc[VSUSP] = ltc->t_suspc;
145 cc[VDSUSP] = ltc->t_dsuspc;
146 cc[VREPRINT] = ltc->t_rprntc;
147 cc[VDISCARD] = ltc->t_flushc;
148 cc[VWERASE] = ltc->t_werasc;
149 cc[VLNEXT] = ltc->t_lnextc;
150 *com = TIOCSETA;
151 break;
152 }
153 case TIOCLBIS:
154 case TIOCLBIC:
155 case TIOCLSET:
156 if (*com == TIOCLSET)
157 tp->t_flags = (tp->t_flags&0xffff) | *(int *)data<<16;
158 else {
159 tp->t_flags =
160 (ttcompatgetflags(tp)&0xffff0000)|(tp->t_flags&0xffff);
161 if (*com == TIOCLBIS)
162 tp->t_flags |= *(int *)data<<16;
163 else
164 tp->t_flags &= ~(*(int *)data<<16);
165 }
166 ttcompatsetlflags(tp, term);
167 *com = TIOCSETA;
168 break;
169 }
170 return 0;
171}
172
173/*ARGSUSED*/
174int
175ttcompat(struct tty *tp, u_long com, caddr_t data, int flag)
176{
177 switch (com) {
178 case TIOCSETP:
179 case TIOCSETN:
180 case TIOCSETC:
181 case TIOCSLTC:
182 case TIOCLBIS:
183 case TIOCLBIC:
184 case TIOCLSET: {
185 struct termios term;
186 int error;
187
188 term = tp->t_termios;
189 if ((error = ttsetcompat(tp, &com, data, &term)) != 0)
190 return error;
191 return ttioctl(tp, com, &term, flag);
192 }
193 case TIOCGETP: {
194 struct sgttyb *sg = (struct sgttyb *)data;
195 cc_t *cc = tp->t_cc;
196
197 sg->sg_ospeed = ttcompatspeedtab(tp->t_ospeed, compatspeeds);
198 if (tp->t_ispeed == 0)
199 sg->sg_ispeed = sg->sg_ospeed;
200 else
201 sg->sg_ispeed = ttcompatspeedtab(tp->t_ispeed, compatspeeds);
202 sg->sg_erase = cc[VERASE];
203 sg->sg_kill = cc[VKILL];
204 sg->sg_flags = tp->t_flags = ttcompatgetflags(tp);
205 break;
206 }
207 case TIOCGETC: {
208 struct tchars *tc = (struct tchars *)data;
209 cc_t *cc = tp->t_cc;
210
211 tc->t_intrc = cc[VINTR];
212 tc->t_quitc = cc[VQUIT];
213 tc->t_startc = cc[VSTART];
214 tc->t_stopc = cc[VSTOP];
215 tc->t_eofc = cc[VEOF];
216 tc->t_brkc = cc[VEOL];
217 break;
218 }
219 case TIOCGLTC: {
220 struct ltchars *ltc = (struct ltchars *)data;
221 cc_t *cc = tp->t_cc;
222
223 ltc->t_suspc = cc[VSUSP];
224 ltc->t_dsuspc = cc[VDSUSP];
225 ltc->t_rprntc = cc[VREPRINT];
226 ltc->t_flushc = cc[VDISCARD];
227 ltc->t_werasc = cc[VWERASE];
228 ltc->t_lnextc = cc[VLNEXT];
229 break;
230 }
231 case TIOCLGET:
232 tp->t_flags =
233 (ttcompatgetflags(tp) & 0xffff0000UL)
234 | (tp->t_flags & 0xffff);
235 *(int *)data = tp->t_flags>>16;
236 if (ttydebug)
237 printf("CLGET: returning %x\n", *(int *)data);
238 break;
239
240 case OTIOCGETD:
241 *(int *)data = tp->t_line ? tp->t_line : 2;
242 break;
243
244 case OTIOCSETD: {
245 int ldisczero = 0;
246
247 return (ttioctl(tp, TIOCSETD,
248 *(int *)data == 2 ? (caddr_t)&ldisczero : data, flag));
249 }
250
251 case OTIOCCONS:
252 *(int *)data = 1;
253 return (ttioctl(tp, TIOCCONS, data, flag));
254
255 default:
256 return (ENOIOCTL);
257 }
258 return (0);
259}
260
261static int
262ttcompatgetflags(struct tty *tp)
263{
264 tcflag_t iflag = tp->t_iflag;
265 tcflag_t lflag = tp->t_lflag;
266 tcflag_t oflag = tp->t_oflag;
267 tcflag_t cflag = tp->t_cflag;
268 int flags = 0;
269
270 if (iflag&IXOFF)
271 flags |= TANDEM;
272 if (iflag&ICRNL || oflag&ONLCR)
273 flags |= CRMOD;
274 if ((cflag&CSIZE) == CS8) {
275 flags |= PASS8;
276 if (iflag&ISTRIP)
277 flags |= ANYP;
278 }
279 else if (cflag&PARENB) {
280 if (iflag&INPCK) {
281 if (cflag&PARODD)
282 flags |= ODDP;
283 else
284 flags |= EVENP;
285 } else
286 flags |= EVENP | ODDP;
287 }
288
289 if ((lflag&ICANON) == 0) {
290 /* fudge */
291 if (iflag&(INPCK|ISTRIP|IXON) || lflag&(IEXTEN|ISIG)
292 || (cflag&(CSIZE|PARENB)) != CS8)
293 flags |= CBREAK;
294 else
295 flags |= RAW;
296 }
297 if (!(flags&RAW) && !(oflag&OPOST) && (cflag&(CSIZE|PARENB)) == CS8)
298 flags |= LITOUT;
299 if (cflag&MDMBUF)
300 flags |= MDMBUF;
301 if ((cflag&HUPCL) == 0)
302 flags |= NOHANG;
303 if (oflag&OXTABS)
304 flags |= XTABS;
305 if (lflag&ECHOE)
306 flags |= CRTERA|CRTBS;
307 if (lflag&ECHOKE)
308 flags |= CRTKIL|CRTBS;
309 if (lflag&ECHOPRT)
310 flags |= PRTERA;
311 if (lflag&ECHOCTL)
312 flags |= CTLECH;
313 if ((iflag&IXANY) == 0)
314 flags |= DECCTQ;
315 flags |= lflag&(ECHO|TOSTOP|FLUSHO|PENDIN|NOFLSH);
316 if (ttydebug)
317 printf("getflags: %x\n", flags);
318 return (flags);
319}
320
321static void
322ttcompatsetflags(struct tty *tp, struct termios *t)
323{
324 int flags = tp->t_flags;
325 tcflag_t iflag = t->c_iflag;
326 tcflag_t oflag = t->c_oflag;
327 tcflag_t lflag = t->c_lflag;
328 tcflag_t cflag = t->c_cflag;
329
330 if (flags & RAW) {
331 iflag = IGNBRK;
332 lflag &= ~(ECHOCTL|ISIG|ICANON|IEXTEN);
333 } else {
334 iflag &= ~(PARMRK|IGNPAR|IGNCR|INLCR);
335 iflag |= BRKINT|IXON|IMAXBEL;
336 lflag |= ISIG|IEXTEN|ECHOCTL; /* XXX was echoctl on ? */
337 if (flags & XTABS)
338 oflag |= OXTABS;
339 else
340 oflag &= ~OXTABS;
341 if (flags & CBREAK)
342 lflag &= ~ICANON;
343 else
344 lflag |= ICANON;
345 if (flags&CRMOD) {
346 iflag |= ICRNL;
347 oflag |= ONLCR;
348 } else {
349 iflag &= ~ICRNL;
350 oflag &= ~ONLCR;
351 }
352 }
353 if (flags&ECHO)
354 lflag |= ECHO;
355 else
356 lflag &= ~ECHO;
357
358 cflag &= ~(CSIZE|PARENB);
359 if (flags&(RAW|LITOUT|PASS8)) {
360 cflag |= CS8;
361 if (!(flags&(RAW|PASS8))
362 || (flags&(RAW|PASS8|ANYP)) == (PASS8|ANYP))
363 iflag |= ISTRIP;
364 else
365 iflag &= ~ISTRIP;
366 if (flags&(RAW|LITOUT))
367 oflag &= ~OPOST;
368 else
369 oflag |= OPOST;
370 } else {
371 cflag |= CS7|PARENB;
372 iflag |= ISTRIP;
373 oflag |= OPOST;
374 }
375 /* XXX don't set INPCK if RAW or PASS8? */
376 if ((flags&(EVENP|ODDP)) == EVENP) {
377 iflag |= INPCK;
378 cflag &= ~PARODD;
379 } else if ((flags&(EVENP|ODDP)) == ODDP) {
380 iflag |= INPCK;
381 cflag |= PARODD;
382 } else
383 iflag &= ~INPCK;
384 if (flags&TANDEM)
385 iflag |= IXOFF;
386 else
387 iflag &= ~IXOFF;
388 if ((flags&DECCTQ) == 0)
389 iflag |= IXANY;
390 else
391 iflag &= ~IXANY;
392 t->c_iflag = iflag;
393 t->c_oflag = oflag;
394 t->c_lflag = lflag;
395 t->c_cflag = cflag;
396}
397
398static void
399ttcompatsetlflags(struct tty *tp, struct termios *t)
400{
401 int flags = tp->t_flags;
402 tcflag_t iflag = t->c_iflag;
403 tcflag_t oflag = t->c_oflag;
404 tcflag_t lflag = t->c_lflag;
405 tcflag_t cflag = t->c_cflag;
406
407 iflag &= ~(PARMRK|IGNPAR|IGNCR|INLCR);
408 if (flags&CRTERA)
409 lflag |= ECHOE;
410 else
411 lflag &= ~ECHOE;
412 if (flags&CRTKIL)
413 lflag |= ECHOKE;
414 else
415 lflag &= ~ECHOKE;
416 if (flags&PRTERA)
417 lflag |= ECHOPRT;
418 else
419 lflag &= ~ECHOPRT;
420 if (flags&CTLECH)
421 lflag |= ECHOCTL;
422 else
423 lflag &= ~ECHOCTL;
424 if (flags&TANDEM)
425 iflag |= IXOFF;
426 else
427 iflag &= ~IXOFF;
428 if ((flags&DECCTQ) == 0)
429 iflag |= IXANY;
430 else
431 iflag &= ~IXANY;
432 if (flags & MDMBUF)
433 cflag |= MDMBUF;
434 else
435 cflag &= ~MDMBUF;
436 if (flags&NOHANG)
437 cflag &= ~HUPCL;
438 else
439 cflag |= HUPCL;
440 lflag &= ~(TOSTOP|FLUSHO|PENDIN|NOFLSH);
441 lflag |= flags&(TOSTOP|FLUSHO|PENDIN|NOFLSH);
442
443 /*
444 * The next if-else statement is copied from above so don't bother
445 * checking it separately. We could avoid fiddlling with the
446 * character size if the mode is already RAW or if neither the
447 * LITOUT bit or the PASS8 bit is being changed, but the delta of
448 * the change is not available here and skipping the RAW case would
449 * make the code different from above.
450 */
451 cflag &= ~(CSIZE|PARENB);
452 if (flags&(RAW|LITOUT|PASS8)) {
453 cflag |= CS8;
454 if (!(flags&(RAW|PASS8))
455 || (flags&(RAW|PASS8|ANYP)) == (PASS8|ANYP))
456 iflag |= ISTRIP;
457 else
458 iflag &= ~ISTRIP;
459 if (flags&(RAW|LITOUT))
460 oflag &= ~OPOST;
461 else
462 oflag |= OPOST;
463 } else {
464 cflag |= CS7|PARENB;
465 iflag |= ISTRIP;
466 oflag |= OPOST;
467 }
468 t->c_iflag = iflag;
469 t->c_oflag = oflag;
470 t->c_lflag = lflag;
471 t->c_cflag = cflag;
472}
473#endif /* COMPAT_43 */
| 38/*
39 * mapping routines for old line discipline (yuck)
40 */
41#if defined(COMPAT_43)
42
43#include <sys/param.h>
44#include <sys/systm.h>
45#include <sys/ioctl_compat.h>
46#include <sys/tty.h>
47#include <sys/kernel.h>
48#include <sys/sysctl.h>
49
50static int ttcompatgetflags(struct tty *tp);
51static void ttcompatsetflags(struct tty *tp, struct termios *t);
52static void ttcompatsetlflags(struct tty *tp, struct termios *t);
53static int ttcompatspeedtab(int speed, struct speedtab *table);
54
55static int ttydebug = 0;
56SYSCTL_INT(_debug, OID_AUTO, ttydebug, CTLFLAG_RW, &ttydebug, 0, "");
57
58static struct speedtab compatspeeds[] = {
59#define MAX_SPEED 17
60 { 115200, 17 },
61 { 57600, 16 },
62 { 38400, 15 },
63 { 19200, 14 },
64 { 9600, 13 },
65 { 4800, 12 },
66 { 2400, 11 },
67 { 1800, 10 },
68 { 1200, 9 },
69 { 600, 8 },
70 { 300, 7 },
71 { 200, 6 },
72 { 150, 5 },
73 { 134, 4 },
74 { 110, 3 },
75 { 75, 2 },
76 { 50, 1 },
77 { 0, 0 },
78 { -1, -1 },
79};
80static int compatspcodes[] = {
81 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200,
82 1800, 2400, 4800, 9600, 19200, 38400, 57600, 115200,
83};
84
85static int
86ttcompatspeedtab(int speed, struct speedtab *table)
87{
88 if (speed == 0)
89 return (0); /* hangup */
90 for ( ; table->sp_speed > 0; table++)
91 if (table->sp_speed <= speed) /* nearest one, rounded down */
92 return (table->sp_code);
93 return (1); /* 50, min and not hangup */
94}
95
96int
97ttsetcompat(struct tty *tp, u_long *com, caddr_t data, struct termios *term)
98{
99 switch (*com) {
100 case TIOCSETP:
101 case TIOCSETN: {
102 struct sgttyb *sg = (struct sgttyb *)data;
103 int speed;
104
105 if ((speed = sg->sg_ispeed) > MAX_SPEED || speed < 0)
106 return(EINVAL);
107 else if (speed != ttcompatspeedtab(tp->t_ispeed, compatspeeds))
108 term->c_ispeed = compatspcodes[speed];
109 else
110 term->c_ispeed = tp->t_ispeed;
111 if ((speed = sg->sg_ospeed) > MAX_SPEED || speed < 0)
112 return(EINVAL);
113 else if (speed != ttcompatspeedtab(tp->t_ospeed, compatspeeds))
114 term->c_ospeed = compatspcodes[speed];
115 else
116 term->c_ospeed = tp->t_ospeed;
117 term->c_cc[VERASE] = sg->sg_erase;
118 term->c_cc[VKILL] = sg->sg_kill;
119 tp->t_flags = (tp->t_flags&0xffff0000) | (sg->sg_flags&0xffff);
120 ttcompatsetflags(tp, term);
121 *com = (*com == TIOCSETP) ? TIOCSETAF : TIOCSETA;
122 break;
123 }
124 case TIOCSETC: {
125 struct tchars *tc = (struct tchars *)data;
126 cc_t *cc;
127
128 cc = term->c_cc;
129 cc[VINTR] = tc->t_intrc;
130 cc[VQUIT] = tc->t_quitc;
131 cc[VSTART] = tc->t_startc;
132 cc[VSTOP] = tc->t_stopc;
133 cc[VEOF] = tc->t_eofc;
134 cc[VEOL] = tc->t_brkc;
135 if (tc->t_brkc == (char)_POSIX_VDISABLE)
136 cc[VEOL2] = _POSIX_VDISABLE;
137 *com = TIOCSETA;
138 break;
139 }
140 case TIOCSLTC: {
141 struct ltchars *ltc = (struct ltchars *)data;
142 cc_t *cc;
143
144 cc = term->c_cc;
145 cc[VSUSP] = ltc->t_suspc;
146 cc[VDSUSP] = ltc->t_dsuspc;
147 cc[VREPRINT] = ltc->t_rprntc;
148 cc[VDISCARD] = ltc->t_flushc;
149 cc[VWERASE] = ltc->t_werasc;
150 cc[VLNEXT] = ltc->t_lnextc;
151 *com = TIOCSETA;
152 break;
153 }
154 case TIOCLBIS:
155 case TIOCLBIC:
156 case TIOCLSET:
157 if (*com == TIOCLSET)
158 tp->t_flags = (tp->t_flags&0xffff) | *(int *)data<<16;
159 else {
160 tp->t_flags =
161 (ttcompatgetflags(tp)&0xffff0000)|(tp->t_flags&0xffff);
162 if (*com == TIOCLBIS)
163 tp->t_flags |= *(int *)data<<16;
164 else
165 tp->t_flags &= ~(*(int *)data<<16);
166 }
167 ttcompatsetlflags(tp, term);
168 *com = TIOCSETA;
169 break;
170 }
171 return 0;
172}
173
174/*ARGSUSED*/
175int
176ttcompat(struct tty *tp, u_long com, caddr_t data, int flag)
177{
178 switch (com) {
179 case TIOCSETP:
180 case TIOCSETN:
181 case TIOCSETC:
182 case TIOCSLTC:
183 case TIOCLBIS:
184 case TIOCLBIC:
185 case TIOCLSET: {
186 struct termios term;
187 int error;
188
189 term = tp->t_termios;
190 if ((error = ttsetcompat(tp, &com, data, &term)) != 0)
191 return error;
192 return ttioctl(tp, com, &term, flag);
193 }
194 case TIOCGETP: {
195 struct sgttyb *sg = (struct sgttyb *)data;
196 cc_t *cc = tp->t_cc;
197
198 sg->sg_ospeed = ttcompatspeedtab(tp->t_ospeed, compatspeeds);
199 if (tp->t_ispeed == 0)
200 sg->sg_ispeed = sg->sg_ospeed;
201 else
202 sg->sg_ispeed = ttcompatspeedtab(tp->t_ispeed, compatspeeds);
203 sg->sg_erase = cc[VERASE];
204 sg->sg_kill = cc[VKILL];
205 sg->sg_flags = tp->t_flags = ttcompatgetflags(tp);
206 break;
207 }
208 case TIOCGETC: {
209 struct tchars *tc = (struct tchars *)data;
210 cc_t *cc = tp->t_cc;
211
212 tc->t_intrc = cc[VINTR];
213 tc->t_quitc = cc[VQUIT];
214 tc->t_startc = cc[VSTART];
215 tc->t_stopc = cc[VSTOP];
216 tc->t_eofc = cc[VEOF];
217 tc->t_brkc = cc[VEOL];
218 break;
219 }
220 case TIOCGLTC: {
221 struct ltchars *ltc = (struct ltchars *)data;
222 cc_t *cc = tp->t_cc;
223
224 ltc->t_suspc = cc[VSUSP];
225 ltc->t_dsuspc = cc[VDSUSP];
226 ltc->t_rprntc = cc[VREPRINT];
227 ltc->t_flushc = cc[VDISCARD];
228 ltc->t_werasc = cc[VWERASE];
229 ltc->t_lnextc = cc[VLNEXT];
230 break;
231 }
232 case TIOCLGET:
233 tp->t_flags =
234 (ttcompatgetflags(tp) & 0xffff0000UL)
235 | (tp->t_flags & 0xffff);
236 *(int *)data = tp->t_flags>>16;
237 if (ttydebug)
238 printf("CLGET: returning %x\n", *(int *)data);
239 break;
240
241 case OTIOCGETD:
242 *(int *)data = tp->t_line ? tp->t_line : 2;
243 break;
244
245 case OTIOCSETD: {
246 int ldisczero = 0;
247
248 return (ttioctl(tp, TIOCSETD,
249 *(int *)data == 2 ? (caddr_t)&ldisczero : data, flag));
250 }
251
252 case OTIOCCONS:
253 *(int *)data = 1;
254 return (ttioctl(tp, TIOCCONS, data, flag));
255
256 default:
257 return (ENOIOCTL);
258 }
259 return (0);
260}
261
262static int
263ttcompatgetflags(struct tty *tp)
264{
265 tcflag_t iflag = tp->t_iflag;
266 tcflag_t lflag = tp->t_lflag;
267 tcflag_t oflag = tp->t_oflag;
268 tcflag_t cflag = tp->t_cflag;
269 int flags = 0;
270
271 if (iflag&IXOFF)
272 flags |= TANDEM;
273 if (iflag&ICRNL || oflag&ONLCR)
274 flags |= CRMOD;
275 if ((cflag&CSIZE) == CS8) {
276 flags |= PASS8;
277 if (iflag&ISTRIP)
278 flags |= ANYP;
279 }
280 else if (cflag&PARENB) {
281 if (iflag&INPCK) {
282 if (cflag&PARODD)
283 flags |= ODDP;
284 else
285 flags |= EVENP;
286 } else
287 flags |= EVENP | ODDP;
288 }
289
290 if ((lflag&ICANON) == 0) {
291 /* fudge */
292 if (iflag&(INPCK|ISTRIP|IXON) || lflag&(IEXTEN|ISIG)
293 || (cflag&(CSIZE|PARENB)) != CS8)
294 flags |= CBREAK;
295 else
296 flags |= RAW;
297 }
298 if (!(flags&RAW) && !(oflag&OPOST) && (cflag&(CSIZE|PARENB)) == CS8)
299 flags |= LITOUT;
300 if (cflag&MDMBUF)
301 flags |= MDMBUF;
302 if ((cflag&HUPCL) == 0)
303 flags |= NOHANG;
304 if (oflag&OXTABS)
305 flags |= XTABS;
306 if (lflag&ECHOE)
307 flags |= CRTERA|CRTBS;
308 if (lflag&ECHOKE)
309 flags |= CRTKIL|CRTBS;
310 if (lflag&ECHOPRT)
311 flags |= PRTERA;
312 if (lflag&ECHOCTL)
313 flags |= CTLECH;
314 if ((iflag&IXANY) == 0)
315 flags |= DECCTQ;
316 flags |= lflag&(ECHO|TOSTOP|FLUSHO|PENDIN|NOFLSH);
317 if (ttydebug)
318 printf("getflags: %x\n", flags);
319 return (flags);
320}
321
322static void
323ttcompatsetflags(struct tty *tp, struct termios *t)
324{
325 int flags = tp->t_flags;
326 tcflag_t iflag = t->c_iflag;
327 tcflag_t oflag = t->c_oflag;
328 tcflag_t lflag = t->c_lflag;
329 tcflag_t cflag = t->c_cflag;
330
331 if (flags & RAW) {
332 iflag = IGNBRK;
333 lflag &= ~(ECHOCTL|ISIG|ICANON|IEXTEN);
334 } else {
335 iflag &= ~(PARMRK|IGNPAR|IGNCR|INLCR);
336 iflag |= BRKINT|IXON|IMAXBEL;
337 lflag |= ISIG|IEXTEN|ECHOCTL; /* XXX was echoctl on ? */
338 if (flags & XTABS)
339 oflag |= OXTABS;
340 else
341 oflag &= ~OXTABS;
342 if (flags & CBREAK)
343 lflag &= ~ICANON;
344 else
345 lflag |= ICANON;
346 if (flags&CRMOD) {
347 iflag |= ICRNL;
348 oflag |= ONLCR;
349 } else {
350 iflag &= ~ICRNL;
351 oflag &= ~ONLCR;
352 }
353 }
354 if (flags&ECHO)
355 lflag |= ECHO;
356 else
357 lflag &= ~ECHO;
358
359 cflag &= ~(CSIZE|PARENB);
360 if (flags&(RAW|LITOUT|PASS8)) {
361 cflag |= CS8;
362 if (!(flags&(RAW|PASS8))
363 || (flags&(RAW|PASS8|ANYP)) == (PASS8|ANYP))
364 iflag |= ISTRIP;
365 else
366 iflag &= ~ISTRIP;
367 if (flags&(RAW|LITOUT))
368 oflag &= ~OPOST;
369 else
370 oflag |= OPOST;
371 } else {
372 cflag |= CS7|PARENB;
373 iflag |= ISTRIP;
374 oflag |= OPOST;
375 }
376 /* XXX don't set INPCK if RAW or PASS8? */
377 if ((flags&(EVENP|ODDP)) == EVENP) {
378 iflag |= INPCK;
379 cflag &= ~PARODD;
380 } else if ((flags&(EVENP|ODDP)) == ODDP) {
381 iflag |= INPCK;
382 cflag |= PARODD;
383 } else
384 iflag &= ~INPCK;
385 if (flags&TANDEM)
386 iflag |= IXOFF;
387 else
388 iflag &= ~IXOFF;
389 if ((flags&DECCTQ) == 0)
390 iflag |= IXANY;
391 else
392 iflag &= ~IXANY;
393 t->c_iflag = iflag;
394 t->c_oflag = oflag;
395 t->c_lflag = lflag;
396 t->c_cflag = cflag;
397}
398
399static void
400ttcompatsetlflags(struct tty *tp, struct termios *t)
401{
402 int flags = tp->t_flags;
403 tcflag_t iflag = t->c_iflag;
404 tcflag_t oflag = t->c_oflag;
405 tcflag_t lflag = t->c_lflag;
406 tcflag_t cflag = t->c_cflag;
407
408 iflag &= ~(PARMRK|IGNPAR|IGNCR|INLCR);
409 if (flags&CRTERA)
410 lflag |= ECHOE;
411 else
412 lflag &= ~ECHOE;
413 if (flags&CRTKIL)
414 lflag |= ECHOKE;
415 else
416 lflag &= ~ECHOKE;
417 if (flags&PRTERA)
418 lflag |= ECHOPRT;
419 else
420 lflag &= ~ECHOPRT;
421 if (flags&CTLECH)
422 lflag |= ECHOCTL;
423 else
424 lflag &= ~ECHOCTL;
425 if (flags&TANDEM)
426 iflag |= IXOFF;
427 else
428 iflag &= ~IXOFF;
429 if ((flags&DECCTQ) == 0)
430 iflag |= IXANY;
431 else
432 iflag &= ~IXANY;
433 if (flags & MDMBUF)
434 cflag |= MDMBUF;
435 else
436 cflag &= ~MDMBUF;
437 if (flags&NOHANG)
438 cflag &= ~HUPCL;
439 else
440 cflag |= HUPCL;
441 lflag &= ~(TOSTOP|FLUSHO|PENDIN|NOFLSH);
442 lflag |= flags&(TOSTOP|FLUSHO|PENDIN|NOFLSH);
443
444 /*
445 * The next if-else statement is copied from above so don't bother
446 * checking it separately. We could avoid fiddlling with the
447 * character size if the mode is already RAW or if neither the
448 * LITOUT bit or the PASS8 bit is being changed, but the delta of
449 * the change is not available here and skipping the RAW case would
450 * make the code different from above.
451 */
452 cflag &= ~(CSIZE|PARENB);
453 if (flags&(RAW|LITOUT|PASS8)) {
454 cflag |= CS8;
455 if (!(flags&(RAW|PASS8))
456 || (flags&(RAW|PASS8|ANYP)) == (PASS8|ANYP))
457 iflag |= ISTRIP;
458 else
459 iflag &= ~ISTRIP;
460 if (flags&(RAW|LITOUT))
461 oflag &= ~OPOST;
462 else
463 oflag |= OPOST;
464 } else {
465 cflag |= CS7|PARENB;
466 iflag |= ISTRIP;
467 oflag |= OPOST;
468 }
469 t->c_iflag = iflag;
470 t->c_oflag = oflag;
471 t->c_lflag = lflag;
472 t->c_cflag = cflag;
473}
474#endif /* COMPAT_43 */
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