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 1.4 (Berkeley) 08/13/89 7 */ 8 9 /* 10 * mapping routines for old line discipline (yuck) 11 */ 12 #ifdef COMPAT_43 13 14 #include "param.h" 15 #include "systm.h" 16 #include "user.h" 17 #include "ioctl.h" 18 #include "tty.h" 19 #include "termios.h" 20 #include "proc.h" 21 #include "file.h" 22 #include "conf.h" 23 #include "dkstat.h" 24 #include "uio.h" 25 #include "kernel.h" 26 #include "syslog.h" 27 28 #include "machine/reg.h" 29 30 int ttydebug = 0; 31 32 /* XXX - fold these two tables into one */ 33 static struct speedtab compatspeeds[] = { 34 38400, 15, 35 19200, 14, 36 9600, 13, 37 4800, 12, 38 2400, 11, 39 1800, 10, 40 1200, 9, 41 600, 8, 42 300, 7, 43 200, 6, 44 150, 5, 45 134, 4, 46 110, 3, 47 75, 2, 48 50, 1, 49 0, 0, 50 -1, -1, 51 }; 52 static int compatspcodes[16] = { 53 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 54 1800, 2400, 4800, 9600, 19200, 38400, 55 }; 56 57 /*ARGSUSED*/ 58 ttcompat(tp, com, data, flag) 59 register struct tty *tp; 60 caddr_t data; 61 { 62 switch(com) { 63 case TIOCGETP: { 64 register struct sgttyb *sg = (struct sgttyb *)data; 65 register u_char *cc = tp->t_cc; 66 register speed; 67 68 speed = ttspeedtab(tp->t_ospeed, compatspeeds); 69 sg->sg_ospeed = (speed == -1) ? 15 : speed; 70 if (tp->t_ispeed == 0) 71 sg->sg_ispeed = sg->sg_ospeed; 72 else { 73 speed = ttspeedtab(tp->t_ispeed, compatspeeds); 74 sg->sg_ispeed = (speed == -1) ? 15 : speed; 75 } 76 sg->sg_erase = cc[VERASE]; 77 sg->sg_kill = cc[VKILL]; 78 sg->sg_flags = ttcompatgetflags(tp); 79 break; 80 } 81 82 case TIOCSETP: 83 case TIOCSETN: { 84 register struct sgttyb *sg = (struct sgttyb *)data; 85 struct termios term; 86 int speed; 87 88 term = tp->t_termios; 89 if ((speed = sg->sg_ispeed) > 15 || speed < 0) 90 term.c_ispeed = speed; 91 else 92 term.c_ispeed = compatspcodes[speed]; 93 if ((speed = sg->sg_ospeed) > 15 || speed < 0) 94 term.c_ospeed = speed; 95 else 96 term.c_ospeed = compatspcodes[speed]; 97 term.c_cc[VERASE] = sg->sg_erase; 98 term.c_cc[VKILL] = sg->sg_kill; 99 if (sg->sg_erase == -1) 100 term.c_cc[VERASE2] = _POSIX_VDISABLE; 101 tp->t_flags = (tp->t_flags&0xffff0000) | sg->sg_flags; 102 ttcompatsetflags(tp, &term); 103 return (ttioctl(tp, com == TIOCSETP ? TIOCSETAF : TIOCSETA, 104 &term, flag)); 105 } 106 107 case TIOCGETC: { 108 struct tchars *tc = (struct tchars *)data; 109 register u_char *cc = tp->t_cc; 110 111 tc->t_intrc = cc[VINTR]; 112 tc->t_quitc = cc[VQUIT]; 113 tc->t_startc = cc[VSTART]; 114 tc->t_stopc = cc[VSTOP]; 115 tc->t_eofc = cc[VEOF]; 116 tc->t_brkc = cc[VEOL]; 117 break; 118 } 119 case TIOCSETC: { 120 struct tchars *tc = (struct tchars *)data; 121 register u_char *cc = tp->t_cc; 122 123 cc[VINTR] = tc->t_intrc; 124 cc[VQUIT] = tc->t_quitc; 125 cc[VSTART] = tc->t_startc; 126 cc[VSTOP] = tc->t_stopc; 127 cc[VEOF] = tc->t_eofc; 128 cc[VEOL] = tc->t_brkc; 129 if (tc->t_brkc == -1) 130 cc[VEOL2] = _POSIX_VDISABLE; 131 break; 132 } 133 case TIOCSLTC: { 134 struct ltchars *ltc = (struct ltchars *)data; 135 register u_char *cc = tp->t_cc; 136 137 cc[VSUSP] = ltc->t_suspc; 138 cc[VDSUSP] = ltc->t_dsuspc; 139 cc[VREPRINT] = ltc->t_rprntc; 140 cc[VFLUSHO] = ltc->t_flushc; 141 cc[VWERASE] = ltc->t_werasc; 142 cc[VLNEXT] = ltc->t_lnextc; 143 break; 144 } 145 case TIOCGLTC: { 146 struct ltchars *ltc = (struct ltchars *)data; 147 register u_char *cc = tp->t_cc; 148 149 ltc->t_suspc = cc[VSUSP]; 150 ltc->t_dsuspc = cc[VDSUSP]; 151 ltc->t_rprntc = cc[VREPRINT]; 152 ltc->t_flushc = cc[VFLUSHO]; 153 ltc->t_werasc = cc[VWERASE]; 154 ltc->t_lnextc = cc[VLNEXT]; 155 break; 156 } 157 case TIOCLBIS: 158 case TIOCLBIC: 159 case TIOCLSET: { 160 struct termios term; 161 162 term = tp->t_termios; 163 if (com == TIOCLSET) 164 tp->t_flags = (tp->t_flags&0xffff) | *(int *)data<<16; 165 else { 166 tp->t_flags = 167 (ttcompatgetflags(tp)&0xffff0000)|(tp->t_flags&0xffff); 168 if (com == TIOCLBIS) 169 tp->t_flags |= *(int *)data<<16; 170 else 171 tp->t_flags &= ~(*(int *)data<<16); 172 } 173 ttcompatsetlflags(tp, &term); 174 return (ttioctl(tp, TIOCSETA, &term, flag)); 175 } 176 case TIOCLGET: 177 *(int *)data = ttcompatgetflags(tp)>>16; 178 if (ttydebug) 179 printf("CLGET: returning %x\n", *(int *)data); 180 break; 181 182 case TIOCGETDCOMPAT: 183 *(int *)data = tp->t_line ? tp->t_line : 2; 184 break; 185 186 case TIOCSETDCOMPAT: { 187 int ldisczero = 0; 188 189 return(ttioctl(tp, TIOCSETD, 190 *(int *)data == 2 ? (caddr_t)&ldisczero : data, flag)); 191 } 192 193 default: 194 return (-1); 195 } 196 return(0); 197 } 198 199 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; 236 if (lflag&ECHOE) 237 flags |= CRTERA|CRTBS; 238 if (lflag&ECHOKE) 239 flags |= CRTKIL|CRTBS; 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); 247 if (ttydebug) 248 printf("getflags: %x\n", flags); 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; 265 lflag &= ~(ECHOCTL|ISIG|ICANON); 266 } else { 267 iflag |= BRKINT|IXON|IEXTEN|IMAXBEL; 268 oflag |= OPOST; 269 lflag |= ISIG; 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; 296 } else { 297 cflag &= ~CSIZE; 298 cflag |= CS7|PARENB; 299 } 300 if ((flags&(EVENP|ODDP)) == EVENP) { 301 iflag |= INPCK; 302 cflag &= ~PARODD; 303 } else if ((flags&(EVENP|ODDP)) == ODDP) { 304 iflag |= INPCK; 305 cflag |= PARODD; 306 } else 307 iflag &= ~INPCK; 308 if (flags&LITOUT) 309 oflag &= ~OPOST; /* move earlier ? */ 310 if (flags&TANDEM) 311 iflag |= IXOFF; 312 else 313 iflag &= ~IXOFF; 314 t->c_iflag = iflag; 315 t->c_oflag = oflag; 316 t->c_lflag = lflag; 317 t->c_cflag = cflag; 318 } 319 320 ttcompatsetlflags(tp, t) 321 register struct tty *tp; 322 register struct termios *t; 323 { 324 register flags = tp->t_flags; 325 register long iflag = t->c_iflag; 326 register long oflag = t->c_oflag; 327 register long lflag = t->c_lflag; 328 register long cflag = t->c_cflag; 329 330 if (flags&CRTERA) 331 lflag |= ECHOE; 332 else 333 lflag &= ~ECHOE; 334 if (flags&CRTKIL) 335 lflag |= ECHOKE; 336 else 337 lflag &= ~ECHOKE; 338 if (flags&PRTERA) 339 lflag |= ECHOPRT; 340 else 341 lflag &= ~ECHOPRT; 342 if (flags&CTLECH) 343 lflag |= ECHOCTL; 344 else 345 lflag &= ~ECHOCTL; 346 if ((flags&DECCTQ) == 0) 347 lflag |= IXANY; 348 else 349 lflag &= ~IXANY; 350 lflag &= ~(MDMBUF|TOSTOP|FLUSHO|NOHANG|PENDIN|NOFLSH); 351 lflag |= flags&(MDMBUF|TOSTOP|FLUSHO|NOHANG|PENDIN|NOFLSH); 352 if (flags&(LITOUT|PASS8)) { 353 iflag &= ~ISTRIP; 354 cflag &= ~(CSIZE|PARENB); 355 cflag |= CS8; 356 if (flags&LITOUT) 357 oflag &= ~OPOST; 358 if ((flags&(PASS8|RAW)) == 0) 359 iflag |= ISTRIP; 360 } else if ((flags&RAW) == 0) { 361 cflag &= ~CSIZE; 362 cflag |= CS7|PARENB; 363 oflag |= OPOST; 364 } 365 t->c_iflag = iflag; 366 t->c_oflag = oflag; 367 t->c_lflag = lflag; 368 t->c_cflag = cflag; 369 } 370 #endif /* COMPAT_43 */ 371