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f406ae69 KB |
1 | /*- |
2 | * Copyright (c) 1982, 1986, 1991 The Regents of the University of California. | |
3 | * All rights reserved. | |
f73a43fc | 4 | * |
f406ae69 KB |
5 | * %sccs.include.redist.c% |
6 | * | |
67af60ec | 7 | * @(#)tty_compat.c 7.14 (Berkeley) %G% |
f73a43fc MT |
8 | */ |
9 | ||
10 | /* | |
e39f9ea6 | 11 | * mapping routines for old line discipline (yuck) |
f73a43fc | 12 | */ |
7b630ab2 | 13 | #if defined(COMPAT_43) || defined(COMPAT_SUNOS) |
f73a43fc | 14 | |
f73a43fc MT |
15 | #include "param.h" |
16 | #include "systm.h" | |
f73a43fc | 17 | #include "ioctl.h" |
063b2136 | 18 | #include "proc.h" |
f73a43fc MT |
19 | #include "tty.h" |
20 | #include "termios.h" | |
f73a43fc MT |
21 | #include "file.h" |
22 | #include "conf.h" | |
f73a43fc MT |
23 | #include "kernel.h" |
24 | #include "syslog.h" | |
25 | ||
e39f9ea6 | 26 | int ttydebug = 0; |
f73a43fc | 27 | |
f73a43fc MT |
28 | static struct speedtab compatspeeds[] = { |
29 | 38400, 15, | |
30 | 19200, 14, | |
31 | 9600, 13, | |
32 | 4800, 12, | |
33 | 2400, 11, | |
34 | 1800, 10, | |
35 | 1200, 9, | |
36 | 600, 8, | |
37 | 300, 7, | |
38 | 200, 6, | |
39 | 150, 5, | |
40 | 134, 4, | |
41 | 110, 3, | |
42 | 75, 2, | |
43 | 50, 1, | |
44 | 0, 0, | |
45 | -1, -1, | |
46 | }; | |
47 | static int compatspcodes[16] = { | |
48 | 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, | |
49 | 1800, 2400, 4800, 9600, 19200, 38400, | |
50 | }; | |
51 | ||
52 | /*ARGSUSED*/ | |
53 | ttcompat(tp, com, data, flag) | |
54 | register struct tty *tp; | |
fd1092d8 | 55 | int com; |
f73a43fc | 56 | caddr_t data; |
fd1092d8 | 57 | int flag; |
f73a43fc | 58 | { |
7fbb76da MT |
59 | |
60 | switch (com) { | |
f73a43fc MT |
61 | case TIOCGETP: { |
62 | register struct sgttyb *sg = (struct sgttyb *)data; | |
63 | register u_char *cc = tp->t_cc; | |
64 | register speed; | |
65 | ||
66 | speed = ttspeedtab(tp->t_ospeed, compatspeeds); | |
67 | sg->sg_ospeed = (speed == -1) ? 15 : speed; | |
68 | if (tp->t_ispeed == 0) | |
69 | sg->sg_ispeed = sg->sg_ospeed; | |
70 | else { | |
71 | speed = ttspeedtab(tp->t_ispeed, compatspeeds); | |
72 | sg->sg_ispeed = (speed == -1) ? 15 : speed; | |
73 | } | |
f73a43fc MT |
74 | sg->sg_erase = cc[VERASE]; |
75 | sg->sg_kill = cc[VKILL]; | |
e39f9ea6 | 76 | sg->sg_flags = ttcompatgetflags(tp); |
f73a43fc MT |
77 | break; |
78 | } | |
79 | ||
80 | case TIOCSETP: | |
81 | case TIOCSETN: { | |
82 | register struct sgttyb *sg = (struct sgttyb *)data; | |
83 | struct termios term; | |
84 | int speed; | |
85 | ||
86 | term = tp->t_termios; | |
f73a43fc MT |
87 | if ((speed = sg->sg_ispeed) > 15 || speed < 0) |
88 | term.c_ispeed = speed; | |
89 | else | |
90 | term.c_ispeed = compatspcodes[speed]; | |
91 | if ((speed = sg->sg_ospeed) > 15 || speed < 0) | |
92 | term.c_ospeed = speed; | |
93 | else | |
94 | term.c_ospeed = compatspcodes[speed]; | |
f73a43fc MT |
95 | term.c_cc[VERASE] = sg->sg_erase; |
96 | term.c_cc[VKILL] = sg->sg_kill; | |
7fbb76da | 97 | tp->t_flags = tp->t_flags&0xffff0000 | sg->sg_flags&0xffff; |
f73a43fc MT |
98 | ttcompatsetflags(tp, &term); |
99 | return (ttioctl(tp, com == TIOCSETP ? TIOCSETAF : TIOCSETA, | |
100 | &term, flag)); | |
101 | } | |
102 | ||
103 | case TIOCGETC: { | |
104 | struct tchars *tc = (struct tchars *)data; | |
105 | register u_char *cc = tp->t_cc; | |
106 | ||
107 | tc->t_intrc = cc[VINTR]; | |
108 | tc->t_quitc = cc[VQUIT]; | |
109 | tc->t_startc = cc[VSTART]; | |
110 | tc->t_stopc = cc[VSTOP]; | |
111 | tc->t_eofc = cc[VEOF]; | |
112 | tc->t_brkc = cc[VEOL]; | |
113 | break; | |
114 | } | |
115 | case TIOCSETC: { | |
116 | struct tchars *tc = (struct tchars *)data; | |
117 | register u_char *cc = tp->t_cc; | |
118 | ||
119 | cc[VINTR] = tc->t_intrc; | |
120 | cc[VQUIT] = tc->t_quitc; | |
121 | cc[VSTART] = tc->t_startc; | |
122 | cc[VSTOP] = tc->t_stopc; | |
123 | cc[VEOF] = tc->t_eofc; | |
124 | cc[VEOL] = tc->t_brkc; | |
125 | if (tc->t_brkc == -1) | |
e39f9ea6 | 126 | cc[VEOL2] = _POSIX_VDISABLE; |
f73a43fc MT |
127 | break; |
128 | } | |
129 | case TIOCSLTC: { | |
130 | struct ltchars *ltc = (struct ltchars *)data; | |
131 | register u_char *cc = tp->t_cc; | |
132 | ||
133 | cc[VSUSP] = ltc->t_suspc; | |
134 | cc[VDSUSP] = ltc->t_dsuspc; | |
135 | cc[VREPRINT] = ltc->t_rprntc; | |
ee3c7f94 | 136 | cc[VDISCARD] = ltc->t_flushc; |
f73a43fc MT |
137 | cc[VWERASE] = ltc->t_werasc; |
138 | cc[VLNEXT] = ltc->t_lnextc; | |
139 | break; | |
140 | } | |
141 | case TIOCGLTC: { | |
142 | struct ltchars *ltc = (struct ltchars *)data; | |
143 | register u_char *cc = tp->t_cc; | |
144 | ||
145 | ltc->t_suspc = cc[VSUSP]; | |
146 | ltc->t_dsuspc = cc[VDSUSP]; | |
147 | ltc->t_rprntc = cc[VREPRINT]; | |
ee3c7f94 | 148 | ltc->t_flushc = cc[VDISCARD]; |
f73a43fc MT |
149 | ltc->t_werasc = cc[VWERASE]; |
150 | ltc->t_lnextc = cc[VLNEXT]; | |
151 | break; | |
152 | } | |
153 | case TIOCLBIS: | |
154 | case TIOCLBIC: | |
155 | case TIOCLSET: { | |
156 | struct termios term; | |
157 | ||
158 | term = tp->t_termios; | |
159 | if (com == TIOCLSET) | |
e39f9ea6 | 160 | tp->t_flags = (tp->t_flags&0xffff) | *(int *)data<<16; |
f73a43fc MT |
161 | else { |
162 | tp->t_flags = | |
163 | (ttcompatgetflags(tp)&0xffff0000)|(tp->t_flags&0xffff); | |
164 | if (com == TIOCLBIS) | |
e39f9ea6 | 165 | tp->t_flags |= *(int *)data<<16; |
f73a43fc | 166 | else |
e39f9ea6 | 167 | tp->t_flags &= ~(*(int *)data<<16); |
f73a43fc MT |
168 | } |
169 | ttcompatsetlflags(tp, &term); | |
170 | return (ttioctl(tp, TIOCSETA, &term, flag)); | |
171 | } | |
172 | case TIOCLGET: | |
e39f9ea6 MT |
173 | *(int *)data = ttcompatgetflags(tp)>>16; |
174 | if (ttydebug) | |
175 | printf("CLGET: returning %x\n", *(int *)data); | |
f73a43fc | 176 | break; |
e39f9ea6 | 177 | |
6ef1614c | 178 | case OTIOCGETD: |
e39f9ea6 MT |
179 | *(int *)data = tp->t_line ? tp->t_line : 2; |
180 | break; | |
181 | ||
6ef1614c | 182 | case OTIOCSETD: { |
e39f9ea6 MT |
183 | int ldisczero = 0; |
184 | ||
7fbb76da | 185 | return (ttioctl(tp, TIOCSETD, |
e39f9ea6 | 186 | *(int *)data == 2 ? (caddr_t)&ldisczero : data, flag)); |
7fbb76da | 187 | } |
a574d21e KM |
188 | |
189 | case OTIOCCONS: | |
190 | *(int *)data = 1; | |
7fbb76da | 191 | return (ttioctl(tp, TIOCCONS, data, flag)); |
e39f9ea6 | 192 | |
f73a43fc MT |
193 | default: |
194 | return (-1); | |
195 | } | |
7fbb76da | 196 | return (0); |
f73a43fc MT |
197 | } |
198 | ||
f73a43fc MT |
199 | ttcompatgetflags(tp) |
200 | register struct tty *tp; | |
201 | { | |
202 | register long iflag = tp->t_iflag; | |
203 | register long lflag = tp->t_lflag; | |
204 | register long oflag = tp->t_oflag; | |
205 | register long cflag = tp->t_cflag; | |
206 | register flags = 0; | |
207 | ||
208 | if (iflag&IXOFF) | |
209 | flags |= TANDEM; | |
210 | if (iflag&ICRNL || oflag&ONLCR) | |
211 | flags |= CRMOD; | |
212 | if (cflag&PARENB) { | |
213 | if (iflag&INPCK) { | |
214 | if (cflag&PARODD) | |
215 | flags |= ODDP; | |
216 | else | |
217 | flags |= EVENP; | |
218 | } else | |
219 | flags |= EVENP | ODDP; | |
220 | } else { | |
221 | if ((tp->t_flags&LITOUT) && !(oflag&OPOST)) | |
222 | flags |= LITOUT; | |
223 | if (tp->t_flags&PASS8) | |
224 | flags |= PASS8; | |
225 | } | |
226 | ||
227 | if ((lflag&ICANON) == 0) { | |
228 | /* fudge */ | |
229 | if (iflag&IXON || lflag&ISIG || lflag&IEXTEN || cflag&PARENB) | |
230 | flags |= CBREAK; | |
231 | else | |
232 | flags |= RAW; | |
233 | } | |
234 | if (oflag&OXTABS) | |
235 | flags |= XTABS; | |
f73a43fc | 236 | if (lflag&ECHOE) |
e39f9ea6 | 237 | flags |= CRTERA|CRTBS; |
f73a43fc | 238 | if (lflag&ECHOKE) |
e39f9ea6 | 239 | flags |= CRTKIL|CRTBS; |
f73a43fc MT |
240 | if (lflag&ECHOPRT) |
241 | flags |= PRTERA; | |
242 | if (lflag&ECHOCTL) | |
243 | flags |= CTLECH; | |
244 | if ((iflag&IXANY) == 0) | |
245 | flags |= DECCTQ; | |
246 | flags |= lflag&(ECHO|MDMBUF|TOSTOP|FLUSHO|NOHANG|PENDIN|NOFLSH); | |
e39f9ea6 MT |
247 | if (ttydebug) |
248 | printf("getflags: %x\n", flags); | |
f73a43fc MT |
249 | return (flags); |
250 | } | |
251 | ||
252 | ttcompatsetflags(tp, t) | |
253 | register struct tty *tp; | |
254 | register struct termios *t; | |
255 | { | |
256 | register flags = tp->t_flags; | |
257 | register long iflag = t->c_iflag; | |
258 | register long oflag = t->c_oflag; | |
259 | register long lflag = t->c_lflag; | |
260 | register long cflag = t->c_cflag; | |
261 | ||
262 | if (flags & RAW) { | |
263 | iflag &= IXOFF; | |
264 | oflag &= ~OPOST; | |
85a1af63 | 265 | lflag &= ~(ECHOCTL|ISIG|ICANON|IEXTEN); |
f73a43fc | 266 | } else { |
85a1af63 | 267 | iflag |= BRKINT|IXON|IMAXBEL; |
f73a43fc | 268 | oflag |= OPOST; |
7fbb76da | 269 | lflag |= ISIG|IEXTEN|ECHOCTL; /* XXX was echoctl on ? */ |
f73a43fc MT |
270 | if (flags & XTABS) |
271 | oflag |= OXTABS; | |
272 | else | |
273 | oflag &= ~OXTABS; | |
274 | if (flags & CBREAK) | |
275 | lflag &= ~ICANON; | |
276 | else | |
277 | lflag |= ICANON; | |
278 | if (flags&CRMOD) { | |
279 | iflag |= ICRNL; | |
280 | oflag |= ONLCR; | |
281 | } else { | |
282 | iflag &= ~ICRNL; | |
283 | oflag &= ~ONLCR; | |
284 | } | |
285 | } | |
286 | if (flags&ECHO) | |
287 | lflag |= ECHO; | |
288 | else | |
289 | lflag &= ~ECHO; | |
290 | ||
291 | if (flags&(RAW|LITOUT|PASS8)) { | |
292 | cflag &= ~(CSIZE|PARENB); | |
293 | cflag |= CS8; | |
294 | if ((flags&(RAW|PASS8)) == 0) | |
295 | iflag |= ISTRIP; | |
7fbb76da MT |
296 | else |
297 | iflag &= ~ISTRIP; | |
f73a43fc MT |
298 | } else { |
299 | cflag &= ~CSIZE; | |
300 | cflag |= CS7|PARENB; | |
7fbb76da | 301 | iflag |= ISTRIP; |
f73a43fc MT |
302 | } |
303 | if ((flags&(EVENP|ODDP)) == EVENP) { | |
304 | iflag |= INPCK; | |
305 | cflag &= ~PARODD; | |
306 | } else if ((flags&(EVENP|ODDP)) == ODDP) { | |
307 | iflag |= INPCK; | |
308 | cflag |= PARODD; | |
309 | } else | |
310 | iflag &= ~INPCK; | |
311 | if (flags&LITOUT) | |
312 | oflag &= ~OPOST; /* move earlier ? */ | |
313 | if (flags&TANDEM) | |
314 | iflag |= IXOFF; | |
315 | else | |
316 | iflag &= ~IXOFF; | |
317 | t->c_iflag = iflag; | |
318 | t->c_oflag = oflag; | |
319 | t->c_lflag = lflag; | |
320 | t->c_cflag = cflag; | |
321 | } | |
322 | ||
f73a43fc MT |
323 | ttcompatsetlflags(tp, t) |
324 | register struct tty *tp; | |
325 | register struct termios *t; | |
326 | { | |
327 | register flags = tp->t_flags; | |
328 | register long iflag = t->c_iflag; | |
329 | register long oflag = t->c_oflag; | |
330 | register long lflag = t->c_lflag; | |
331 | register long cflag = t->c_cflag; | |
e39f9ea6 | 332 | |
f73a43fc MT |
333 | if (flags&CRTERA) |
334 | lflag |= ECHOE; | |
335 | else | |
e39f9ea6 | 336 | lflag &= ~ECHOE; |
f73a43fc MT |
337 | if (flags&CRTKIL) |
338 | lflag |= ECHOKE; | |
339 | else | |
340 | lflag &= ~ECHOKE; | |
341 | if (flags&PRTERA) | |
342 | lflag |= ECHOPRT; | |
343 | else | |
344 | lflag &= ~ECHOPRT; | |
345 | if (flags&CTLECH) | |
346 | lflag |= ECHOCTL; | |
347 | else | |
348 | lflag &= ~ECHOCTL; | |
349 | if ((flags&DECCTQ) == 0) | |
350 | lflag |= IXANY; | |
351 | else | |
352 | lflag &= ~IXANY; | |
f73a43fc MT |
353 | lflag &= ~(MDMBUF|TOSTOP|FLUSHO|NOHANG|PENDIN|NOFLSH); |
354 | lflag |= flags&(MDMBUF|TOSTOP|FLUSHO|NOHANG|PENDIN|NOFLSH); | |
f73a43fc MT |
355 | if (flags&(LITOUT|PASS8)) { |
356 | iflag &= ~ISTRIP; | |
357 | cflag &= ~(CSIZE|PARENB); | |
358 | cflag |= CS8; | |
359 | if (flags&LITOUT) | |
360 | oflag &= ~OPOST; | |
361 | if ((flags&(PASS8|RAW)) == 0) | |
362 | iflag |= ISTRIP; | |
363 | } else if ((flags&RAW) == 0) { | |
364 | cflag &= ~CSIZE; | |
365 | cflag |= CS7|PARENB; | |
366 | oflag |= OPOST; | |
367 | } | |
368 | t->c_iflag = iflag; | |
369 | t->c_oflag = oflag; | |
370 | t->c_lflag = lflag; | |
371 | t->c_cflag = cflag; | |
372 | } | |
7b630ab2 | 373 | #endif /* COMPAT_43 || COMPAT_SUNOS */ |