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 * 6 * @(#)tty_compat.c 1.2 (Berkeley) 10/18/88 7 */ 8 9 /* 10 * mapping routines for old line discipline (yuck) 11 */ 12 #ifdef COMPAT_43 13 14 #include "../machine/reg.h" 15 16 #include "param.h" 17 #include "systm.h" 18 #include "dir.h" 19 #include "user.h" 20 #include "ioctl.h" 21 #include "tty.h" 22 #include "termios.h" 23 #include "proc.h" 24 #include "file.h" 25 #include "conf.h" 26 #include "dkstat.h" 27 #include "uio.h" 28 #include "kernel.h" 29 #include "syslog.h" 30 31 int ttydebug = 0; 32 33 /* XXX - fold these two tables into one */ 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 } 77 sg->sg_erase = cc[VERASE]; 78 sg->sg_kill = cc[VKILL]; 79 sg->sg_flags = ttcompatgetflags(tp); 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; 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]; 98 term.c_cc[VERASE] = sg->sg_erase; 99 term.c_cc[VKILL] = sg->sg_kill; 100 if (sg->sg_erase == -1) 101 term.c_cc[VERASE2] = _POSIX_VDISABLE; 102 tp->t_flags = (tp->t_flags&0xffff0000) | sg->sg_flags; 103 ttcompatsetflags(tp, &term); 104 return (ttioctl(tp, com == TIOCSETP ? TIOCSETAF : TIOCSETA, 105 &term, flag)); 106 } 107 108 case TIOCGETC: { 109 struct tchars *tc = (struct tchars *)data; 110 register u_char *cc = tp->t_cc; 111 112 tc->t_intrc = cc[VINTR]; 113 tc->t_quitc = cc[VQUIT]; 114 tc->t_startc = cc[VSTART]; 115 tc->t_stopc = cc[VSTOP]; 116 tc->t_eofc = cc[VEOF]; 117 tc->t_brkc = cc[VEOL]; 118 break; 119 } 120 case TIOCSETC: { 121 struct tchars *tc = (struct tchars *)data; 122 register u_char *cc = tp->t_cc; 123 124 cc[VINTR] = tc->t_intrc; 125 cc[VQUIT] = tc->t_quitc; 126 cc[VSTART] = tc->t_startc; 127 cc[VSTOP] = tc->t_stopc; 128 cc[VEOF] = tc->t_eofc; 129 cc[VEOL] = tc->t_brkc; 130 if (tc->t_brkc == -1) 131 cc[VEOL2] = _POSIX_VDISABLE; 132 break; 133 } 134 case TIOCSLTC: { 135 struct ltchars *ltc = (struct ltchars *)data; 136 register u_char *cc = tp->t_cc; 137 138 cc[VSUSP] = ltc->t_suspc; 139 cc[VDSUSP] = ltc->t_dsuspc; 140 cc[VREPRINT] = ltc->t_rprntc; 141 cc[VFLUSHO] = ltc->t_flushc; 142 cc[VWERASE] = ltc->t_werasc; 143 cc[VLNEXT] = ltc->t_lnextc; 144 break; 145 } 146 case TIOCGLTC: { 147 struct ltchars *ltc = (struct ltchars *)data; 148 register u_char *cc = tp->t_cc; 149 150 ltc->t_suspc = cc[VSUSP]; 151 ltc->t_dsuspc = cc[VDSUSP]; 152 ltc->t_rprntc = cc[VREPRINT]; 153 ltc->t_flushc = cc[VFLUSHO]; 154 ltc->t_werasc = cc[VWERASE]; 155 ltc->t_lnextc = cc[VLNEXT]; 156 break; 157 } 158 case TIOCLBIS: 159 case TIOCLBIC: 160 case TIOCLSET: { 161 struct termios term; 162 163 term = tp->t_termios; 164 if (com == TIOCLSET) 165 tp->t_flags = (tp->t_flags&0xffff) | *(int *)data<<16; 166 else { 167 tp->t_flags = 168 (ttcompatgetflags(tp)&0xffff0000)|(tp->t_flags&0xffff); 169 if (com == TIOCLBIS) 170 tp->t_flags |= *(int *)data<<16; 171 else 172 tp->t_flags &= ~(*(int *)data<<16); 173 } 174 ttcompatsetlflags(tp, &term); 175 return (ttioctl(tp, TIOCSETA, &term, flag)); 176 } 177 case TIOCLGET: 178 *(int *)data = ttcompatgetflags(tp)>>16; 179 if (ttydebug) 180 printf("CLGET: returning %x\n", *(int *)data); 181 break; 182 183 case TIOCGETDCOMPAT: 184 *(int *)data = tp->t_line ? tp->t_line : 2; 185 break; 186 187 case TIOCSETDCOMPAT: { 188 int ldisczero = 0; 189 190 return(ttioctl(tp, TIOCSETD, 191 *(int *)data == 2 ? (caddr_t)&ldisczero : data, flag)); 192 } 193 194 default: 195 return (-1); 196 } 197 return(0); 198 } 199 200 ttcompatgetflags(tp) 201 register struct tty *tp; 202 { 203 register long iflag = tp->t_iflag; 204 register long lflag = tp->t_lflag; 205 register long oflag = tp->t_oflag; 206 register long cflag = tp->t_cflag; 207 register flags = 0; 208 209 if (iflag&IXOFF) 210 flags |= TANDEM; 211 if (iflag&ICRNL || oflag&ONLCR) 212 flags |= CRMOD; 213 if (cflag&PARENB) { 214 if (iflag&INPCK) { 215 if (cflag&PARODD) 216 flags |= ODDP; 217 else 218 flags |= EVENP; 219 } else 220 flags |= EVENP | ODDP; 221 } else { 222 if ((tp->t_flags&LITOUT) && !(oflag&OPOST)) 223 flags |= LITOUT; 224 if (tp->t_flags&PASS8) 225 flags |= PASS8; 226 } 227 228 if ((lflag&ICANON) == 0) { 229 /* fudge */ 230 if (iflag&IXON || lflag&ISIG || lflag&IEXTEN || cflag&PARENB) 231 flags |= CBREAK; 232 else 233 flags |= RAW; 234 } 235 if (oflag&OXTABS) 236 flags |= XTABS; 237 if (lflag&ECHOE) 238 flags |= CRTERA|CRTBS; 239 if (lflag&ECHOKE) 240 flags |= CRTKIL|CRTBS; 241 if (lflag&ECHOPRT) 242 flags |= PRTERA; 243 if (lflag&ECHOCTL) 244 flags |= CTLECH; 245 if ((iflag&IXANY) == 0) 246 flags |= DECCTQ; 247 flags |= lflag&(ECHO|MDMBUF|TOSTOP|FLUSHO|NOHANG|PENDIN|NOFLSH); 248 if (ttydebug) 249 printf("getflags: %x\n", flags); 250 return (flags); 251 } 252 253 ttcompatsetflags(tp, t) 254 register struct tty *tp; 255 register struct termios *t; 256 { 257 register flags = tp->t_flags; 258 register long iflag = t->c_iflag; 259 register long oflag = t->c_oflag; 260 register long lflag = t->c_lflag; 261 register long cflag = t->c_cflag; 262 263 if (flags & RAW) { 264 iflag &= IXOFF; 265 oflag &= ~OPOST; 266 lflag &= ~(ECHOCTL|ISIG|ICANON); 267 } else { 268 iflag |= BRKINT|IXON|IEXTEN|IMAXBEL; 269 oflag |= OPOST; 270 lflag |= ISIG; 271 if (flags & XTABS) 272 oflag |= OXTABS; 273 else 274 oflag &= ~OXTABS; 275 if (flags & CBREAK) 276 lflag &= ~ICANON; 277 else 278 lflag |= ICANON; 279 if (flags&CRMOD) { 280 iflag |= ICRNL; 281 oflag |= ONLCR; 282 } else { 283 iflag &= ~ICRNL; 284 oflag &= ~ONLCR; 285 } 286 } 287 if (flags&ECHO) 288 lflag |= ECHO; 289 else 290 lflag &= ~ECHO; 291 292 if (flags&(RAW|LITOUT|PASS8)) { 293 cflag &= ~(CSIZE|PARENB); 294 cflag |= CS8; 295 if ((flags&(RAW|PASS8)) == 0) 296 iflag |= ISTRIP; 297 } else { 298 cflag &= ~CSIZE; 299 cflag |= CS7|PARENB; 300 } 301 if ((flags&(EVENP|ODDP)) == EVENP) { 302 iflag |= INPCK; 303 cflag &= ~PARODD; 304 } else if ((flags&(EVENP|ODDP)) == ODDP) { 305 iflag |= INPCK; 306 cflag |= PARODD; 307 } else 308 iflag &= ~INPCK; 309 if (flags&LITOUT) 310 oflag &= ~OPOST; /* move earlier ? */ 311 if (flags&TANDEM) 312 iflag |= IXOFF; 313 else 314 iflag &= ~IXOFF; 315 t->c_iflag = iflag; 316 t->c_oflag = oflag; 317 t->c_lflag = lflag; 318 t->c_cflag = cflag; 319 } 320 321 ttcompatsetlflags(tp, t) 322 register struct tty *tp; 323 register struct termios *t; 324 { 325 register flags = tp->t_flags; 326 register long iflag = t->c_iflag; 327 register long oflag = t->c_oflag; 328 register long lflag = t->c_lflag; 329 register long cflag = t->c_cflag; 330 331 if (flags&CRTERA) 332 lflag |= ECHOE; 333 else 334 lflag &= ~ECHOE; 335 if (flags&CRTKIL) 336 lflag |= ECHOKE; 337 else 338 lflag &= ~ECHOKE; 339 if (flags&PRTERA) 340 lflag |= ECHOPRT; 341 else 342 lflag &= ~ECHOPRT; 343 if (flags&CTLECH) 344 lflag |= ECHOCTL; 345 else 346 lflag &= ~ECHOCTL; 347 if ((flags&DECCTQ) == 0) 348 lflag |= IXANY; 349 else 350 lflag &= ~IXANY; 351 lflag &= ~(MDMBUF|TOSTOP|FLUSHO|NOHANG|PENDIN|NOFLSH); 352 lflag |= flags&(MDMBUF|TOSTOP|FLUSHO|NOHANG|PENDIN|NOFLSH); 353 if (flags&(LITOUT|PASS8)) { 354 iflag &= ~ISTRIP; 355 cflag &= ~(CSIZE|PARENB); 356 cflag |= CS8; 357 if (flags&LITOUT) 358 oflag &= ~OPOST; 359 if ((flags&(PASS8|RAW)) == 0) 360 iflag |= ISTRIP; 361 } else if ((flags&RAW) == 0) { 362 cflag &= ~CSIZE; 363 cflag |= CS7|PARENB; 364 oflag |= OPOST; 365 } 366 t->c_iflag = iflag; 367 t->c_oflag = oflag; 368 t->c_lflag = lflag; 369 t->c_cflag = cflag; 370 } 371 #endif /* COMPAT_43 */ 372