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f73a43fc MT |
1 | /* |
2 | * Copyright (c) 1982, 1986 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | * | |
6ef1614c | 6 | * @(#)tty_compat.c 7.3 (Berkeley) %G% |
f73a43fc MT |
7 | */ |
8 | ||
9 | /* | |
e39f9ea6 | 10 | * mapping routines for old line discipline (yuck) |
f73a43fc MT |
11 | */ |
12 | #ifdef COMPAT_43 | |
13 | ||
f73a43fc MT |
14 | #include "param.h" |
15 | #include "systm.h" | |
980f6624 | 16 | #include "dir.h" |
f73a43fc MT |
17 | #include "user.h" |
18 | #include "ioctl.h" | |
19 | #include "tty.h" | |
20 | #include "termios.h" | |
21 | #include "proc.h" | |
22 | #include "file.h" | |
23 | #include "conf.h" | |
24 | #include "dkstat.h" | |
25 | #include "uio.h" | |
26 | #include "kernel.h" | |
27 | #include "syslog.h" | |
28 | ||
d301d150 KM |
29 | #include "machine/reg.h" |
30 | ||
e39f9ea6 | 31 | int ttydebug = 0; |
f73a43fc | 32 | |
e39f9ea6 | 33 | /* XXX - fold these two tables into one */ |
f73a43fc MT |
34 | static struct speedtab compatspeeds[] = { |
35 | 38400, 15, | |
36 | 19200, 14, | |
37 | 9600, 13, | |
38 | 4800, 12, | |
39 | 2400, 11, | |
40 | 1800, 10, | |
41 | 1200, 9, | |
42 | 600, 8, | |
43 | 300, 7, | |
44 | 200, 6, | |
45 | 150, 5, | |
46 | 134, 4, | |
47 | 110, 3, | |
48 | 75, 2, | |
49 | 50, 1, | |
50 | 0, 0, | |
51 | -1, -1, | |
52 | }; | |
53 | static int compatspcodes[16] = { | |
54 | 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, | |
55 | 1800, 2400, 4800, 9600, 19200, 38400, | |
56 | }; | |
57 | ||
58 | /*ARGSUSED*/ | |
59 | ttcompat(tp, com, data, flag) | |
60 | register struct tty *tp; | |
61 | caddr_t data; | |
62 | { | |
63 | switch(com) { | |
64 | case TIOCGETP: { | |
65 | register struct sgttyb *sg = (struct sgttyb *)data; | |
66 | register u_char *cc = tp->t_cc; | |
67 | register speed; | |
68 | ||
69 | speed = ttspeedtab(tp->t_ospeed, compatspeeds); | |
70 | sg->sg_ospeed = (speed == -1) ? 15 : speed; | |
71 | if (tp->t_ispeed == 0) | |
72 | sg->sg_ispeed = sg->sg_ospeed; | |
73 | else { | |
74 | speed = ttspeedtab(tp->t_ispeed, compatspeeds); | |
75 | sg->sg_ispeed = (speed == -1) ? 15 : speed; | |
76 | } | |
f73a43fc MT |
77 | sg->sg_erase = cc[VERASE]; |
78 | sg->sg_kill = cc[VKILL]; | |
e39f9ea6 | 79 | sg->sg_flags = ttcompatgetflags(tp); |
f73a43fc MT |
80 | break; |
81 | } | |
82 | ||
83 | case TIOCSETP: | |
84 | case TIOCSETN: { | |
85 | register struct sgttyb *sg = (struct sgttyb *)data; | |
86 | struct termios term; | |
87 | int speed; | |
88 | ||
89 | term = tp->t_termios; | |
f73a43fc MT |
90 | if ((speed = sg->sg_ispeed) > 15 || speed < 0) |
91 | term.c_ispeed = speed; | |
92 | else | |
93 | term.c_ispeed = compatspcodes[speed]; | |
94 | if ((speed = sg->sg_ospeed) > 15 || speed < 0) | |
95 | term.c_ospeed = speed; | |
96 | else | |
97 | term.c_ospeed = compatspcodes[speed]; | |
f73a43fc MT |
98 | term.c_cc[VERASE] = sg->sg_erase; |
99 | term.c_cc[VKILL] = sg->sg_kill; | |
f73a43fc | 100 | tp->t_flags = (tp->t_flags&0xffff0000) | sg->sg_flags; |
f73a43fc MT |
101 | ttcompatsetflags(tp, &term); |
102 | return (ttioctl(tp, com == TIOCSETP ? TIOCSETAF : TIOCSETA, | |
103 | &term, flag)); | |
104 | } | |
105 | ||
106 | case TIOCGETC: { | |
107 | struct tchars *tc = (struct tchars *)data; | |
108 | register u_char *cc = tp->t_cc; | |
109 | ||
110 | tc->t_intrc = cc[VINTR]; | |
111 | tc->t_quitc = cc[VQUIT]; | |
112 | tc->t_startc = cc[VSTART]; | |
113 | tc->t_stopc = cc[VSTOP]; | |
114 | tc->t_eofc = cc[VEOF]; | |
115 | tc->t_brkc = cc[VEOL]; | |
116 | break; | |
117 | } | |
118 | case TIOCSETC: { | |
119 | struct tchars *tc = (struct tchars *)data; | |
120 | register u_char *cc = tp->t_cc; | |
121 | ||
122 | cc[VINTR] = tc->t_intrc; | |
123 | cc[VQUIT] = tc->t_quitc; | |
124 | cc[VSTART] = tc->t_startc; | |
125 | cc[VSTOP] = tc->t_stopc; | |
126 | cc[VEOF] = tc->t_eofc; | |
127 | cc[VEOL] = tc->t_brkc; | |
128 | if (tc->t_brkc == -1) | |
e39f9ea6 | 129 | cc[VEOL2] = _POSIX_VDISABLE; |
f73a43fc MT |
130 | break; |
131 | } | |
132 | case TIOCSLTC: { | |
133 | struct ltchars *ltc = (struct ltchars *)data; | |
134 | register u_char *cc = tp->t_cc; | |
135 | ||
136 | cc[VSUSP] = ltc->t_suspc; | |
137 | cc[VDSUSP] = ltc->t_dsuspc; | |
138 | cc[VREPRINT] = ltc->t_rprntc; | |
139 | cc[VFLUSHO] = ltc->t_flushc; | |
140 | cc[VWERASE] = ltc->t_werasc; | |
141 | cc[VLNEXT] = ltc->t_lnextc; | |
142 | break; | |
143 | } | |
144 | case TIOCGLTC: { | |
145 | struct ltchars *ltc = (struct ltchars *)data; | |
146 | register u_char *cc = tp->t_cc; | |
147 | ||
148 | ltc->t_suspc = cc[VSUSP]; | |
149 | ltc->t_dsuspc = cc[VDSUSP]; | |
150 | ltc->t_rprntc = cc[VREPRINT]; | |
151 | ltc->t_flushc = cc[VFLUSHO]; | |
152 | ltc->t_werasc = cc[VWERASE]; | |
153 | ltc->t_lnextc = cc[VLNEXT]; | |
154 | break; | |
155 | } | |
156 | case TIOCLBIS: | |
157 | case TIOCLBIC: | |
158 | case TIOCLSET: { | |
159 | struct termios term; | |
160 | ||
161 | term = tp->t_termios; | |
162 | if (com == TIOCLSET) | |
e39f9ea6 | 163 | tp->t_flags = (tp->t_flags&0xffff) | *(int *)data<<16; |
f73a43fc MT |
164 | else { |
165 | tp->t_flags = | |
166 | (ttcompatgetflags(tp)&0xffff0000)|(tp->t_flags&0xffff); | |
167 | if (com == TIOCLBIS) | |
e39f9ea6 | 168 | tp->t_flags |= *(int *)data<<16; |
f73a43fc | 169 | else |
e39f9ea6 | 170 | tp->t_flags &= ~(*(int *)data<<16); |
f73a43fc MT |
171 | } |
172 | ttcompatsetlflags(tp, &term); | |
173 | return (ttioctl(tp, TIOCSETA, &term, flag)); | |
174 | } | |
175 | case TIOCLGET: | |
e39f9ea6 MT |
176 | *(int *)data = ttcompatgetflags(tp)>>16; |
177 | if (ttydebug) | |
178 | printf("CLGET: returning %x\n", *(int *)data); | |
f73a43fc | 179 | break; |
e39f9ea6 | 180 | |
6ef1614c | 181 | case OTIOCGETD: |
e39f9ea6 MT |
182 | *(int *)data = tp->t_line ? tp->t_line : 2; |
183 | break; | |
184 | ||
6ef1614c | 185 | case OTIOCSETD: { |
e39f9ea6 MT |
186 | int ldisczero = 0; |
187 | ||
188 | return(ttioctl(tp, TIOCSETD, | |
189 | *(int *)data == 2 ? (caddr_t)&ldisczero : data, flag)); | |
190 | } | |
191 | ||
f73a43fc MT |
192 | default: |
193 | return (-1); | |
194 | } | |
195 | return(0); | |
196 | } | |
197 | ||
f73a43fc MT |
198 | ttcompatgetflags(tp) |
199 | register struct tty *tp; | |
200 | { | |
201 | register long iflag = tp->t_iflag; | |
202 | register long lflag = tp->t_lflag; | |
203 | register long oflag = tp->t_oflag; | |
204 | register long cflag = tp->t_cflag; | |
205 | register flags = 0; | |
206 | ||
207 | if (iflag&IXOFF) | |
208 | flags |= TANDEM; | |
209 | if (iflag&ICRNL || oflag&ONLCR) | |
210 | flags |= CRMOD; | |
211 | if (cflag&PARENB) { | |
212 | if (iflag&INPCK) { | |
213 | if (cflag&PARODD) | |
214 | flags |= ODDP; | |
215 | else | |
216 | flags |= EVENP; | |
217 | } else | |
218 | flags |= EVENP | ODDP; | |
219 | } else { | |
220 | if ((tp->t_flags&LITOUT) && !(oflag&OPOST)) | |
221 | flags |= LITOUT; | |
222 | if (tp->t_flags&PASS8) | |
223 | flags |= PASS8; | |
224 | } | |
225 | ||
226 | if ((lflag&ICANON) == 0) { | |
227 | /* fudge */ | |
228 | if (iflag&IXON || lflag&ISIG || lflag&IEXTEN || cflag&PARENB) | |
229 | flags |= CBREAK; | |
230 | else | |
231 | flags |= RAW; | |
232 | } | |
233 | if (oflag&OXTABS) | |
234 | flags |= XTABS; | |
f73a43fc | 235 | if (lflag&ECHOE) |
e39f9ea6 | 236 | flags |= CRTERA|CRTBS; |
f73a43fc | 237 | if (lflag&ECHOKE) |
e39f9ea6 | 238 | flags |= CRTKIL|CRTBS; |
f73a43fc MT |
239 | if (lflag&ECHOPRT) |
240 | flags |= PRTERA; | |
241 | if (lflag&ECHOCTL) | |
242 | flags |= CTLECH; | |
243 | if ((iflag&IXANY) == 0) | |
244 | flags |= DECCTQ; | |
245 | flags |= lflag&(ECHO|MDMBUF|TOSTOP|FLUSHO|NOHANG|PENDIN|NOFLSH); | |
e39f9ea6 MT |
246 | if (ttydebug) |
247 | printf("getflags: %x\n", flags); | |
f73a43fc MT |
248 | return (flags); |
249 | } | |
250 | ||
251 | ttcompatsetflags(tp, t) | |
252 | register struct tty *tp; | |
253 | register struct termios *t; | |
254 | { | |
255 | register flags = tp->t_flags; | |
256 | register long iflag = t->c_iflag; | |
257 | register long oflag = t->c_oflag; | |
258 | register long lflag = t->c_lflag; | |
259 | register long cflag = t->c_cflag; | |
260 | ||
261 | if (flags & RAW) { | |
262 | iflag &= IXOFF; | |
263 | oflag &= ~OPOST; | |
85a1af63 | 264 | lflag &= ~(ECHOCTL|ISIG|ICANON|IEXTEN); |
f73a43fc | 265 | } else { |
85a1af63 | 266 | iflag |= BRKINT|IXON|IMAXBEL; |
f73a43fc | 267 | oflag |= OPOST; |
85a1af63 | 268 | lflag |= ISIG|IEXTEN; |
f73a43fc MT |
269 | if (flags & XTABS) |
270 | oflag |= OXTABS; | |
271 | else | |
272 | oflag &= ~OXTABS; | |
273 | if (flags & CBREAK) | |
274 | lflag &= ~ICANON; | |
275 | else | |
276 | lflag |= ICANON; | |
277 | if (flags&CRMOD) { | |
278 | iflag |= ICRNL; | |
279 | oflag |= ONLCR; | |
280 | } else { | |
281 | iflag &= ~ICRNL; | |
282 | oflag &= ~ONLCR; | |
283 | } | |
284 | } | |
285 | if (flags&ECHO) | |
286 | lflag |= ECHO; | |
287 | else | |
288 | lflag &= ~ECHO; | |
289 | ||
290 | if (flags&(RAW|LITOUT|PASS8)) { | |
291 | cflag &= ~(CSIZE|PARENB); | |
292 | cflag |= CS8; | |
293 | if ((flags&(RAW|PASS8)) == 0) | |
294 | iflag |= ISTRIP; | |
295 | } else { | |
296 | cflag &= ~CSIZE; | |
297 | cflag |= CS7|PARENB; | |
298 | } | |
299 | if ((flags&(EVENP|ODDP)) == EVENP) { | |
300 | iflag |= INPCK; | |
301 | cflag &= ~PARODD; | |
302 | } else if ((flags&(EVENP|ODDP)) == ODDP) { | |
303 | iflag |= INPCK; | |
304 | cflag |= PARODD; | |
305 | } else | |
306 | iflag &= ~INPCK; | |
307 | if (flags&LITOUT) | |
308 | oflag &= ~OPOST; /* move earlier ? */ | |
309 | if (flags&TANDEM) | |
310 | iflag |= IXOFF; | |
311 | else | |
312 | iflag &= ~IXOFF; | |
313 | t->c_iflag = iflag; | |
314 | t->c_oflag = oflag; | |
315 | t->c_lflag = lflag; | |
316 | t->c_cflag = cflag; | |
317 | } | |
318 | ||
f73a43fc MT |
319 | ttcompatsetlflags(tp, t) |
320 | register struct tty *tp; | |
321 | register struct termios *t; | |
322 | { | |
323 | register flags = tp->t_flags; | |
324 | register long iflag = t->c_iflag; | |
325 | register long oflag = t->c_oflag; | |
326 | register long lflag = t->c_lflag; | |
327 | register long cflag = t->c_cflag; | |
e39f9ea6 | 328 | |
f73a43fc MT |
329 | if (flags&CRTERA) |
330 | lflag |= ECHOE; | |
331 | else | |
e39f9ea6 | 332 | lflag &= ~ECHOE; |
f73a43fc MT |
333 | if (flags&CRTKIL) |
334 | lflag |= ECHOKE; | |
335 | else | |
336 | lflag &= ~ECHOKE; | |
337 | if (flags&PRTERA) | |
338 | lflag |= ECHOPRT; | |
339 | else | |
340 | lflag &= ~ECHOPRT; | |
341 | if (flags&CTLECH) | |
342 | lflag |= ECHOCTL; | |
343 | else | |
344 | lflag &= ~ECHOCTL; | |
345 | if ((flags&DECCTQ) == 0) | |
346 | lflag |= IXANY; | |
347 | else | |
348 | lflag &= ~IXANY; | |
f73a43fc MT |
349 | lflag &= ~(MDMBUF|TOSTOP|FLUSHO|NOHANG|PENDIN|NOFLSH); |
350 | lflag |= flags&(MDMBUF|TOSTOP|FLUSHO|NOHANG|PENDIN|NOFLSH); | |
f73a43fc MT |
351 | if (flags&(LITOUT|PASS8)) { |
352 | iflag &= ~ISTRIP; | |
353 | cflag &= ~(CSIZE|PARENB); | |
354 | cflag |= CS8; | |
355 | if (flags&LITOUT) | |
356 | oflag &= ~OPOST; | |
357 | if ((flags&(PASS8|RAW)) == 0) | |
358 | iflag |= ISTRIP; | |
359 | } else if ((flags&RAW) == 0) { | |
360 | cflag &= ~CSIZE; | |
361 | cflag |= CS7|PARENB; | |
362 | oflag |= OPOST; | |
363 | } | |
364 | t->c_iflag = iflag; | |
365 | t->c_oflag = oflag; | |
366 | t->c_lflag = lflag; | |
367 | t->c_cflag = cflag; | |
368 | } | |
369 | #endif /* COMPAT_43 */ |