ite.c revision 1.73
1 /* $NetBSD: ite.c,v 1.73 2014/03/16 05:20:23 dholland Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: Utah Hdr: ite.c 1.1 90/07/09 37 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91 38 */ 39 40 /* 41 * ite - bitmapped terminal. 42 * Supports VT200, a few terminal features will be unavailable until 43 * the system actually probes the device (i.e. not after consinit()) 44 */ 45 46 #include <sys/cdefs.h> 47 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.73 2014/03/16 05:20:23 dholland Exp $"); 48 49 #include "opt_ddb.h" 50 51 #include <sys/param.h> 52 #include <sys/kernel.h> 53 #include <sys/conf.h> 54 #include <sys/device.h> 55 #include <sys/malloc.h> 56 #include <sys/fcntl.h> 57 #include <sys/ioctl.h> 58 #include <sys/tty.h> 59 #include <sys/termios.h> 60 #include <sys/systm.h> 61 #include <sys/callout.h> 62 #include <sys/proc.h> 63 #include <dev/cons.h> 64 #include <sys/kauth.h> 65 66 #include <machine/cpu.h> 67 68 #include <atari/atari/device.h> 69 #include <atari/dev/event_var.h> 70 #include <atari/dev/kbdmap.h> 71 #include <atari/dev/kbdvar.h> 72 #include <atari/dev/iteioctl.h> 73 #include <atari/dev/itevar.h> 74 #include <atari/dev/grfioctl.h> 75 #include <atari/dev/grfabs_reg.h> 76 #include <atari/dev/grfvar.h> 77 #include <atari/dev/viewioctl.h> 78 #include <atari/dev/viewvar.h> 79 80 #include "ioconf.h" 81 82 #define ITEUNIT(dev) (minor(dev)) 83 84 #define SUBR_INIT(sc) (sc)->grf->g_iteinit(sc) 85 #define SUBR_DEINIT(sc) (sc)->grf->g_itedeinit(sc) 86 #define SUBR_PUTC(sc,c,dy,dx,m) (sc)->grf->g_iteputc(sc,c,dy,dx,m) 87 #define SUBR_CURSOR(sc,flg) (sc)->grf->g_itecursor(sc,flg) 88 #define SUBR_CLEAR(sc,sy,sx,h,w) (sc)->grf->g_iteclear(sc,sy,sx,h,w) 89 #define SUBR_SCROLL(sc,sy,sx,cnt,dir) (sc)->grf->g_itescroll(sc,sy,sx,cnt,dir) 90 91 int start_repeat_timeo = 30; /* first repeat after x s/100 */ 92 int next_repeat_timeo = 10; /* next repeat after x s/100 */ 93 94 /* 95 * Patchable 96 */ 97 int ite_default_x = 0; /* def leftedge offset */ 98 int ite_default_y = 0; /* def topedge offset */ 99 int ite_default_width = 640; /* def width */ 100 int ite_default_depth = 1; /* def depth */ 101 int ite_default_height = 400; /* def height */ 102 int ite_default_wrap = 1; /* if you want vtxxx-nam -> binpatch */ 103 104 struct ite_softc con_itesoftc; 105 u_char cons_tabs[MAX_TABS]; 106 107 struct ite_softc *kbd_ite; 108 int kbd_init; 109 110 static inline int atoi(const char *); 111 static inline int ite_argnum(struct ite_softc *); 112 static inline int ite_zargnum(struct ite_softc *); 113 static inline void ite_cr(struct ite_softc *); 114 static inline void ite_crlf(struct ite_softc *); 115 static inline void ite_clrline(struct ite_softc *); 116 static inline void ite_clrscreen(struct ite_softc *); 117 static inline void ite_clrtobos(struct ite_softc *); 118 static inline void ite_clrtobol(struct ite_softc *); 119 static inline void ite_clrtoeol(struct ite_softc *); 120 static inline void ite_clrtoeos(struct ite_softc *); 121 static inline void ite_dnchar(struct ite_softc *, int); 122 static inline void ite_inchar(struct ite_softc *, int); 123 static inline void ite_inline(struct ite_softc *, int); 124 static inline void ite_lf(struct ite_softc *); 125 static inline void ite_dnline(struct ite_softc *, int); 126 static inline void ite_rlf(struct ite_softc *); 127 static inline void ite_sendstr(const char *); 128 static inline void snap_cury(struct ite_softc *); 129 130 static void alignment_display(struct ite_softc *); 131 static struct ite_softc *getitesp(dev_t); 132 static void itecheckwrap(struct ite_softc *); 133 static void iteprecheckwrap(struct ite_softc *); 134 static void itestart(struct tty *); 135 static void ite_switch(int); 136 static void repeat_handler(void *); 137 138 void iteputchar(int c, struct ite_softc *sc); 139 void ite_putstr(const u_char * s, int len, dev_t dev); 140 void iteattach(device_t, device_t, void *); 141 int itematch(device_t, cfdata_t, void *); 142 143 /* 144 * Console specific types. 145 */ 146 dev_type_cnprobe(itecnprobe); 147 dev_type_cninit(itecninit); 148 dev_type_cngetc(itecngetc); 149 dev_type_cnputc(itecnputc); 150 151 CFATTACH_DECL_NEW(ite, sizeof(struct ite_softc), 152 itematch, iteattach, NULL, NULL); 153 154 dev_type_open(iteopen); 155 dev_type_close(iteclose); 156 dev_type_read(iteread); 157 dev_type_write(itewrite); 158 dev_type_ioctl(iteioctl); 159 dev_type_tty(itetty); 160 dev_type_poll(itepoll); 161 162 const struct cdevsw ite_cdevsw = { 163 .d_open = iteopen, 164 .d_close = iteclose, 165 .d_read = iteread, 166 .d_write = itewrite, 167 .d_ioctl = iteioctl, 168 .d_stop = nostop, 169 .d_tty = itetty, 170 .d_poll = itepoll, 171 .d_mmap = nommap, 172 .d_kqfilter = ttykqfilter, 173 .d_flag = D_TTY 174 }; 175 176 /* 177 * Keep track of the device number of the ite console. Only used in the 178 * itematch/iteattach functions. 179 */ 180 static int cons_ite = -1; 181 182 int 183 itematch(device_t parent, cfdata_t cf, void *aux) 184 { 185 186 /* 187 * Handle early console stuff. The first unit number 188 * is the console unit. All other early matches will fail. 189 */ 190 if (atari_realconfig == 0) { 191 if (cons_ite >= 0) 192 return 0; 193 cons_ite = cf->cf_unit; 194 return 1; 195 } 196 return 1; 197 } 198 199 void 200 iteattach(device_t parent, device_t self, void *aux) 201 { 202 struct grf_softc *gsc; 203 struct ite_softc *sc; 204 int s; 205 int maj, unit; 206 207 gsc = device_private(parent); 208 sc = device_private(self); 209 210 maj = cdevsw_lookup_major(&ite_cdevsw); 211 unit = (self != NULL) ? device_unit(self) : cons_ite; 212 gsc->g_itedev = makedev(maj, unit); 213 214 if (self != NULL) { 215 s = spltty(); 216 if (con_itesoftc.grf != NULL && 217 con_itesoftc.grf->g_unit == gsc->g_unit) { 218 /* 219 * console reinit copy params over. 220 * and console always gets keyboard 221 */ 222 memcpy(&sc->grf, &con_itesoftc.grf, 223 (char *)&sc[1] - (char *)&sc->grf); 224 con_itesoftc.grf = NULL; 225 kbd_ite = sc; 226 } 227 sc->grf = gsc; 228 splx(s); 229 230 iteinit(gsc->g_itedev); 231 printf(": %dx%d", sc->rows, sc->cols); 232 printf(" repeat at (%d/100)s next at (%d/100)s", 233 start_repeat_timeo, next_repeat_timeo); 234 235 if (kbd_ite == NULL) 236 kbd_ite = sc; 237 if (kbd_ite == sc) 238 printf(" has keyboard"); 239 printf("\n"); 240 sc->flags |= ITE_ATTACHED; 241 } else { 242 if (con_itesoftc.grf != NULL && 243 con_itesoftc.grf->g_conpri > gsc->g_conpri) 244 return; 245 con_itesoftc.grf = gsc; 246 con_itesoftc.tabs = cons_tabs; 247 } 248 } 249 250 static struct ite_softc * 251 getitesp(dev_t dev) 252 { 253 254 if (atari_realconfig && (con_itesoftc.grf == NULL)) 255 return(device_lookup_private(&ite_cd, ITEUNIT(dev))); 256 257 if (con_itesoftc.grf == NULL) 258 panic("no ite_softc for console"); 259 return(&con_itesoftc); 260 } 261 262 /* 263 * cons.c entry points into ite device. 264 */ 265 266 /* 267 * Return a priority in consdev->cn_pri field highest wins. This function 268 * is called before any devices have been probed. 269 */ 270 void 271 itecnprobe(struct consdev *cd) 272 { 273 /* 274 * return priority of the best ite (already picked from attach) 275 * or CN_DEAD. 276 */ 277 if (con_itesoftc.grf == NULL) 278 cd->cn_pri = CN_DEAD; 279 else { 280 cd->cn_pri = con_itesoftc.grf->g_conpri; 281 cd->cn_dev = con_itesoftc.grf->g_itedev; 282 } 283 } 284 285 void 286 itecninit(struct consdev *cd) 287 { 288 struct ite_softc *sc; 289 290 sc = getitesp(cd->cn_dev); 291 sc->flags |= ITE_ISCONS; 292 iteinit(cd->cn_dev); 293 sc->flags |= ITE_ACTIVE | ITE_ISCONS; 294 } 295 296 /* 297 * ite_cnfinish() is called in ite_init() when the device is 298 * being probed in the normal fasion, thus we can finish setting 299 * up this ite now that the system is more functional. 300 */ 301 void 302 ite_cnfinish(struct ite_softc *sc) 303 { 304 static int done; 305 306 if (done) 307 return; 308 done = 1; 309 } 310 311 int 312 itecngetc(dev_t dev) 313 { 314 int c; 315 316 do { 317 c = kbdgetcn(); 318 c = ite_cnfilter(c, ITEFILT_CONSOLE); 319 } while (c == -1); 320 return (c); 321 } 322 323 void 324 itecnputc(dev_t dev, int c) 325 { 326 static int paniced; 327 struct ite_softc *sc; 328 char ch; 329 330 sc = getitesp(dev); 331 ch = c; 332 333 if (panicstr && !paniced && 334 (sc->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 335 ite_on(dev, 3); 336 paniced = 1; 337 } 338 SUBR_CURSOR(sc, START_CURSOROPT); 339 iteputchar(ch, sc); 340 SUBR_CURSOR(sc, END_CURSOROPT); 341 } 342 343 /* 344 * standard entry points to the device. 345 */ 346 347 /* 348 * iteinit() is the standard entry point for initialization of 349 * an ite device, it is also called from itecninit(). 350 * 351 */ 352 void 353 iteinit(dev_t dev) 354 { 355 struct ite_softc *sc; 356 357 sc = getitesp(dev); 358 if (sc->flags & ITE_INITED) 359 return; 360 if (atari_realconfig) { 361 if (sc->kbdmap && sc->kbdmap != &ascii_kbdmap) 362 free(sc->kbdmap, M_DEVBUF); 363 sc->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK); 364 memcpy(sc->kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 365 } 366 else 367 sc->kbdmap = &ascii_kbdmap; 368 369 sc->cursorx = 0; 370 sc->cursory = 0; 371 SUBR_INIT(sc); 372 SUBR_CURSOR(sc, DRAW_CURSOR); 373 if (sc->tabs == NULL) 374 sc->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 375 ite_reset(sc); 376 sc->flags |= ITE_INITED; 377 } 378 379 int 380 iteopen(dev_t dev, int mode, int devtype, struct lwp *l) 381 { 382 struct ite_softc *sc; 383 struct tty *tp; 384 int error, first, unit; 385 386 unit = ITEUNIT(dev); 387 if (unit >= ite_cd.cd_ndevs) 388 return ENXIO; 389 390 first = 0; 391 sc = getitesp(dev); 392 if (sc == NULL) 393 return ENXIO; 394 if ((sc->flags & ITE_ATTACHED) == 0) 395 return (ENXIO); 396 397 if (sc->tp == NULL) { 398 tp = sc->tp = tty_alloc(); 399 tty_attach(tp); 400 } 401 else 402 tp = sc->tp; 403 404 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) 405 return (EBUSY); 406 407 if ((sc->flags & ITE_ACTIVE) == 0) { 408 ite_on(dev, 0); 409 first = 1; 410 } 411 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) { 412 tp->t_oproc = itestart; 413 tp->t_param = ite_param; 414 tp->t_dev = dev; 415 tp->t_iflag = TTYDEF_IFLAG; 416 tp->t_oflag = TTYDEF_OFLAG; 417 tp->t_cflag = TTYDEF_CFLAG; 418 tp->t_lflag = TTYDEF_LFLAG; 419 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 420 tp->t_state = TS_CARR_ON; 421 ttychars(tp); 422 ttsetwater(tp); 423 } 424 425 426 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0); 427 if (error) 428 goto bad; 429 430 error = (*tp->t_linesw->l_open) (dev, tp); 431 if (error) 432 goto bad; 433 434 tp->t_winsize.ws_row = sc->rows; 435 tp->t_winsize.ws_col = sc->cols; 436 if (!kbd_init) { 437 kbd_init = 1; 438 kbdenable(); 439 } 440 return (0); 441 442 443 bad: 444 if (first) 445 ite_off(dev, 0); 446 447 return (error); 448 } 449 450 int 451 iteclose(dev_t dev, int flag, int mode, struct lwp *l) 452 { 453 struct tty *tp; 454 455 tp = getitesp(dev)->tp; 456 457 KDASSERT(tp); 458 (*tp->t_linesw->l_close) (tp, flag); 459 ttyclose(tp); 460 ite_off(dev, 0); 461 return (0); 462 } 463 464 int 465 iteread(dev_t dev, struct uio *uio, int flag) 466 { 467 struct tty *tp; 468 469 tp = getitesp(dev)->tp; 470 471 KDASSERT(tp); 472 return ((*tp->t_linesw->l_read) (tp, uio, flag)); 473 } 474 475 int 476 itewrite(dev_t dev, struct uio *uio, int flag) 477 { 478 struct tty *tp; 479 480 tp = getitesp(dev)->tp; 481 482 KDASSERT(tp); 483 return ((*tp->t_linesw->l_write) (tp, uio, flag)); 484 } 485 486 int 487 itepoll(dev_t dev, int events, struct lwp *l) 488 { 489 struct tty *tp; 490 491 tp = getitesp(dev)->tp; 492 493 KDASSERT(tp); 494 return ((*tp->t_linesw->l_poll)(tp, events, l)); 495 } 496 497 struct tty * 498 itetty(dev_t dev) 499 { 500 return(getitesp(dev)->tp); 501 } 502 503 int 504 iteioctl(dev_t dev, u_long cmd, void * addr, int flag, struct lwp *l) 505 { 506 struct iterepeat *irp; 507 struct ite_softc *sc; 508 struct tty *tp; 509 view_t *view; 510 struct itewinsize *is; 511 struct itebell *ib; 512 int error; 513 514 sc = getitesp(dev); 515 tp = sc->tp; 516 view = viewview(sc->grf->g_viewdev); 517 518 KDASSERT(tp); 519 520 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, l); 521 if (error != EPASSTHROUGH) 522 return (error); 523 524 error = ttioctl(tp, cmd, addr, flag, l); 525 if (error != EPASSTHROUGH) 526 return (error); 527 528 switch (cmd) { 529 case ITEIOCSKMAP: 530 if (addr == NULL) 531 return(EFAULT); 532 memcpy(sc->kbdmap, addr, sizeof(struct kbdmap)); 533 return 0; 534 case ITEIOCSSKMAP: 535 if (addr == NULL) 536 return(EFAULT); 537 memcpy(&ascii_kbdmap, addr, sizeof(struct kbdmap)); 538 return 0; 539 case ITEIOCGKMAP: 540 if (addr == NULL) 541 return(EFAULT); 542 memcpy(addr, sc->kbdmap, sizeof(struct kbdmap)); 543 return 0; 544 case ITEIOCGREPT: 545 if (addr == NULL) 546 return(EFAULT); 547 irp = (struct iterepeat *)addr; 548 irp->start = start_repeat_timeo; 549 irp->next = next_repeat_timeo; 550 return 0; 551 case ITEIOCSREPT: 552 if (addr == NULL) 553 return(EFAULT); 554 irp = (struct iterepeat *)addr; 555 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT) 556 return(EINVAL); 557 start_repeat_timeo = irp->start; 558 next_repeat_timeo = irp->next; 559 return 0; 560 case ITEIOCGWINSZ: 561 if (addr == NULL) 562 return(EFAULT); 563 is = (struct itewinsize *)addr; 564 is->x = view->display.x; 565 is->y = view->display.y; 566 is->width = view->display.width; 567 is->height = view->display.height; 568 is->depth = view->bitmap->depth; 569 return 0; 570 case ITEIOCDSPWIN: 571 sc->grf->g_mode(sc->grf, GM_GRFON, NULL, 0, 0); 572 return 0; 573 case ITEIOCREMWIN: 574 sc->grf->g_mode(sc->grf, GM_GRFOFF, NULL, 0, 0); 575 return 0; 576 case ITEIOCSBELL: 577 if (addr == NULL) 578 return(EFAULT); 579 ib = (struct itebell *)addr; 580 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec); 581 return 0; 582 case ITEIOCGBELL: 583 if (addr == NULL) 584 return(EFAULT); 585 ib = (struct itebell *)addr; 586 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec); 587 return 0; 588 } 589 return (sc->itexx_ioctl)(sc, cmd, addr, flag, l); 590 } 591 592 void 593 itestart(struct tty *tp) 594 { 595 struct clist *rbp; 596 struct ite_softc *sc; 597 u_char buf[ITEBURST]; 598 int s, len; 599 600 sc = getitesp(tp->t_dev); 601 602 KDASSERT(tp); 603 604 s = spltty(); { 605 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 606 goto out; 607 608 tp->t_state |= TS_BUSY; 609 rbp = &tp->t_outq; 610 611 len = q_to_b(rbp, buf, ITEBURST); 612 } splx(s); 613 614 /* Here is a really good place to implement pre/jumpscroll() */ 615 ite_putstr((char *)buf, len, tp->t_dev); 616 617 s = spltty(); { 618 tp->t_state &= ~TS_BUSY; 619 /* we have characters remaining. */ 620 if (ttypull(tp)) { 621 tp->t_state |= TS_TIMEOUT; 622 callout_schedule(&tp->t_rstrt_ch, 1); 623 } 624 out: ; 625 } splx(s); 626 } 627 628 void 629 ite_on(dev_t dev, int flag) 630 { 631 struct ite_softc *sc; 632 int unit; 633 634 unit = ITEUNIT(dev); 635 sc = getitesp(dev); 636 637 /* force ite active, overriding graphics mode */ 638 if (flag & 1) { 639 sc->flags |= ITE_ACTIVE; 640 sc->flags &= ~(ITE_INGRF | ITE_INITED); 641 } 642 /* leave graphics mode */ 643 if (flag & 2) { 644 sc->flags &= ~ITE_INGRF; 645 if ((sc->flags & ITE_ACTIVE) == 0) 646 return; 647 } 648 sc->flags |= ITE_ACTIVE; 649 if (sc->flags & ITE_INGRF) 650 return; 651 iteinit(dev); 652 } 653 654 void 655 ite_off(dev_t dev, int flag) 656 { 657 struct ite_softc *sc; 658 659 sc = getitesp(dev); 660 if (flag & 2) 661 sc->flags |= ITE_INGRF; 662 if ((sc->flags & ITE_ACTIVE) == 0) 663 return; 664 if ((flag & 1) || 665 (sc->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 666 SUBR_DEINIT(sc); 667 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */ 668 sc->flags &= ~ITE_ACTIVE; 669 } 670 671 static void 672 ite_switch(int unit) 673 { 674 struct ite_softc *sc; 675 extern const struct cdevsw view_cdevsw; 676 677 sc = device_lookup_private(&ite_cd, unit); 678 if (sc == NULL || (sc->flags & (ITE_ATTACHED | ITE_INITED)) == 0) 679 return; 680 681 /* 682 * If switching to an active ite, also switch the keyboard. 683 */ 684 if (sc->flags & ITE_ACTIVE) 685 kbd_ite = sc; 686 687 /* 688 * Now make it visible 689 */ 690 (*view_cdevsw.d_ioctl)(sc->grf->g_viewdev, VIOCDISPLAY, NULL, 691 0, NOLWP); 692 693 /* 694 * Make sure the cursor's there too.... 695 */ 696 SUBR_CURSOR(sc, DRAW_CURSOR); 697 } 698 699 /* XXX called after changes made in underlying grf layer. */ 700 /* I want to nuke this */ 701 void 702 ite_reinit(dev_t dev) 703 { 704 struct ite_softc *sc; 705 706 sc = getitesp(dev); 707 sc->flags &= ~ITE_INITED; 708 iteinit(dev); 709 } 710 711 int 712 ite_param(struct tty *tp, struct termios *t) 713 { 714 tp->t_ispeed = t->c_ispeed; 715 tp->t_ospeed = t->c_ospeed; 716 tp->t_cflag = t->c_cflag; 717 return (0); 718 } 719 720 void 721 ite_reset(struct ite_softc *sc) 722 { 723 int i; 724 725 sc->curx = 0; 726 sc->cury = 0; 727 sc->attribute = ATTR_NOR; 728 sc->save_curx = 0; 729 sc->save_cury = 0; 730 sc->save_attribute = ATTR_NOR; 731 sc->ap = sc->argbuf; 732 sc->emul_level = 0; 733 sc->eightbit_C1 = 0; 734 sc->top_margin = 0; 735 sc->bottom_margin = sc->rows - 1; 736 sc->inside_margins = 0; 737 sc->linefeed_newline = 0; 738 sc->auto_wrap = ite_default_wrap; 739 sc->cursor_appmode = 0; 740 sc->keypad_appmode = 0; 741 sc->imode = 0; 742 sc->key_repeat = 1; 743 memset(sc->tabs, 0, sc->cols); 744 for (i = 0; i < sc->cols; i++) 745 sc->tabs[i] = ((i & 7) == 0); 746 } 747 748 /* 749 * has to be global because of the shared filters. 750 */ 751 static u_char last_dead; 752 753 /* 754 * Used in console at startup only and for DDB. 755 */ 756 int 757 ite_cnfilter(u_int c, enum caller caller) 758 { 759 struct key key; 760 struct kbdmap *kbdmap; 761 u_char code, up, mask; 762 int s; 763 764 up = KBD_RELEASED(c); 765 c = KBD_SCANCODE(c); 766 code = 0; 767 mask = 0; 768 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap; 769 770 s = spltty(); 771 772 /* 773 * No special action if key released 774 */ 775 if (up) { 776 splx(s); 777 return -1; 778 } 779 780 /* translate modifiers */ 781 if (kbd_modifier & KBD_MOD_SHIFT) { 782 if (kbd_modifier & KBD_MOD_ALT) 783 key = kbdmap->alt_shift_keys[c]; 784 else 785 key = kbdmap->shift_keys[c]; 786 } 787 else if (kbd_modifier & KBD_MOD_ALT) 788 key = kbdmap->alt_keys[c]; 789 else { 790 key = kbdmap->keys[c]; 791 /* 792 * If CAPS and key is CAPable (no pun intended) 793 */ 794 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 795 key = kbdmap->shift_keys[c]; 796 } 797 code = key.code; 798 799 #ifdef notyet /* LWP: Didn't have time to look at this yet */ 800 /* 801 * If string return simple console filter 802 */ 803 if (key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 804 splx(s); 805 return -1; 806 } 807 /* handle dead keys */ 808 if (key->mode & KBD_MODE_DEAD) { 809 /* if entered twice, send accent itself */ 810 if (last_dead == key->mode & KBD_MODE_ACCMASK) 811 last_dead = 0; 812 else { 813 last_dead = key->mode & KBD_MODE_ACCMASK; 814 splx(s); 815 return -1; 816 } 817 } 818 if (last_dead) { 819 /* can't apply dead flag to string-keys */ 820 if (code >= '@' && code < 0x7f) 821 code = 822 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 823 last_dead = 0; 824 } 825 #endif 826 if (kbd_modifier & KBD_MOD_CTRL) 827 code &= 0x1f; 828 829 /* 830 * Do console mapping. 831 */ 832 code = code == '\r' ? '\n' : code; 833 834 splx(s); 835 return (code); 836 } 837 838 /* And now the old stuff. */ 839 840 /* these are used to implement repeating keys.. */ 841 static u_int last_char; 842 static u_char tout_pending; 843 844 static callout_t repeat_ch; 845 846 /*ARGSUSED*/ 847 static void 848 repeat_handler(void *arg) 849 { 850 tout_pending = 0; 851 if (last_char) 852 add_sicallback((si_farg)ite_filter, (void *)last_char, 853 (void *)ITEFILT_REPEATER); 854 } 855 856 void 857 ite_filter(u_int c, enum caller caller) 858 { 859 struct tty *kbd_tty; 860 struct kbdmap *kbdmap; 861 u_char code, *str, up, mask; 862 struct key key; 863 int s, i; 864 static bool again; 865 866 if (!again) { 867 /* XXX */ 868 callout_init(&repeat_ch, 0); 869 again = true; 870 } 871 872 if (kbd_ite == NULL) 873 return; 874 875 kbd_tty = kbd_ite->tp; 876 kbdmap = kbd_ite->kbdmap; 877 878 up = KBD_RELEASED(c); 879 c = KBD_SCANCODE(c); 880 code = 0; 881 mask = 0; 882 883 /* have to make sure we're at spltty in here */ 884 s = spltty(); 885 886 /* 887 * keyboard interrupts come at priority 2, while softint 888 * generated keyboard-repeat interrupts come at level 1. So, 889 * to not allow a key-up event to get thru before a repeat for 890 * the key-down, we remove any outstanding callout requests.. 891 */ 892 rem_sicallback((si_farg)ite_filter); 893 894 /* 895 * Stop repeating on up event 896 */ 897 if (up) { 898 if (tout_pending) { 899 callout_stop(&repeat_ch); 900 tout_pending = 0; 901 last_char = 0; 902 } 903 splx(s); 904 return; 905 } 906 else if (tout_pending && last_char != c) { 907 /* 908 * Different character, stop also 909 */ 910 callout_stop(&repeat_ch); 911 tout_pending = 0; 912 last_char = 0; 913 } 914 915 /* 916 * Handle ite-switching ALT + Fx 917 */ 918 if ((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) { 919 ite_switch(c - 0x3b); 920 splx(s); 921 return; 922 } 923 /* 924 * Safety button, switch back to ascii keymap. 925 */ 926 if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) { 927 /* ALT + LSHIFT + F1 */ 928 memcpy(kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 929 splx(s); 930 return; 931 #ifdef DDB 932 } else if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && 933 c == 0x43) { 934 /* 935 * ALT + LSHIFT + F9 -> Debugger! 936 */ 937 Debugger(); 938 splx(s); 939 return; 940 #endif 941 } 942 943 /* 944 * The rest of the code is senseless when the device is not open. 945 */ 946 if (kbd_tty == NULL) { 947 splx(s); 948 return; 949 } 950 951 /* 952 * Translate modifiers 953 */ 954 if (kbd_modifier & KBD_MOD_SHIFT) { 955 if (kbd_modifier & KBD_MOD_ALT) 956 key = kbdmap->alt_shift_keys[c]; 957 else 958 key = kbdmap->shift_keys[c]; 959 } 960 else if (kbd_modifier & KBD_MOD_ALT) 961 key = kbdmap->alt_keys[c]; 962 else { 963 key = kbdmap->keys[c]; 964 /* 965 * If CAPS and key is CAPable (no pun intended) 966 */ 967 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 968 key = kbdmap->shift_keys[c]; 969 } 970 code = key.code; 971 972 /* 973 * Arrange to repeat the keystroke. By doing this at the level 974 * of scan-codes, we can have function keys, and keys that 975 * send strings, repeat too. This also entitles an additional 976 * overhead, since we have to do the conversion each time, but 977 * I guess that's ok. 978 */ 979 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 980 tout_pending = 1; 981 last_char = c; 982 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100, 983 repeat_handler, NULL); 984 } else if (!tout_pending && caller==ITEFILT_REPEATER && 985 kbd_ite->key_repeat) { 986 tout_pending = 1; 987 last_char = c; 988 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100, 989 repeat_handler, NULL); 990 } 991 /* handle dead keys */ 992 if (key.mode & KBD_MODE_DEAD) { 993 /* if entered twice, send accent itself */ 994 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 995 last_dead = 0; 996 else { 997 last_dead = key.mode & KBD_MODE_ACCMASK; 998 splx(s); 999 return; 1000 } 1001 } 1002 if (last_dead) { 1003 /* can't apply dead flag to string-keys */ 1004 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 1005 code < 0x7f) 1006 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 1007 last_dead = 0; 1008 } 1009 1010 /* 1011 * If not string, apply CTRL modifiers 1012 */ 1013 if (!(key.mode & KBD_MODE_STRING) && 1014 (!(key.mode & KBD_MODE_KPAD) || 1015 (kbd_ite && !kbd_ite->keypad_appmode))) { 1016 if (kbd_modifier & KBD_MOD_CTRL) 1017 code &= 0x1f; 1018 } else if ((key.mode & KBD_MODE_KPAD) && 1019 (kbd_ite && kbd_ite->keypad_appmode)) { 1020 static const char * const in = "0123456789-+.\r()/*"; 1021 static const char * const out = "pqrstuvwxymlnMPQRS"; 1022 char *cp = strchr(in, code); 1023 1024 /* 1025 * keypad-appmode sends SS3 followed by the above 1026 * translated character 1027 */ 1028 kbd_tty->t_linesw->l_rint(27, kbd_tty); 1029 kbd_tty->t_linesw->l_rint('O', kbd_tty); 1030 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty); 1031 splx(s); 1032 return; 1033 } else { 1034 /* *NO* I don't like this.... */ 1035 static u_char app_cursor[] = 1036 { 1037 3, 27, 'O', 'A', 1038 3, 27, 'O', 'B', 1039 3, 27, 'O', 'C', 1040 3, 27, 'O', 'D'}; 1041 1042 str = kbdmap->strings + code; 1043 /* 1044 * if this is a cursor key, AND it has the default 1045 * keymap setting, AND we're in app-cursor mode, switch 1046 * to the above table. This is *nasty* ! 1047 */ 1048 if (((c == 0x48) || (c == 0x4b) ||(c == 0x4d) || (c == 0x50)) && 1049 kbd_ite->cursor_appmode && 1050 !memcmp(str, "\x03\x1b[", 3) && 1051 strchr("ABCD", str[3])) 1052 str = app_cursor + 4 * (str[3] - 'A'); 1053 1054 /* 1055 * using a length-byte instead of 0-termination allows 1056 * to embed \0 into strings, although this is not used 1057 * in the default keymap 1058 */ 1059 for (i = *str++; i; i--) 1060 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1061 splx(s); 1062 return; 1063 } 1064 kbd_tty->t_linesw->l_rint(code, kbd_tty); 1065 1066 splx(s); 1067 return; 1068 } 1069 1070 /* helper functions, makes the code below more readable */ 1071 static inline void 1072 ite_sendstr(const char *str) 1073 { 1074 struct tty *kbd_tty; 1075 1076 kbd_tty = kbd_ite->tp; 1077 KDASSERT(kbd_tty); 1078 while (*str) 1079 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1080 } 1081 1082 static void 1083 alignment_display(struct ite_softc *sc) 1084 { 1085 int i, j; 1086 1087 for (j = 0; j < sc->rows; j++) 1088 for (i = 0; i < sc->cols; i++) 1089 SUBR_PUTC(sc, 'E', j, i, ATTR_NOR); 1090 attrclr(sc, 0, 0, sc->rows, sc->cols); 1091 SUBR_CURSOR(sc, DRAW_CURSOR); 1092 } 1093 1094 static inline void 1095 snap_cury(struct ite_softc *sc) 1096 { 1097 if (sc->inside_margins) 1098 { 1099 if (sc->cury < sc->top_margin) 1100 sc->cury = sc->top_margin; 1101 if (sc->cury > sc->bottom_margin) 1102 sc->cury = sc->bottom_margin; 1103 } 1104 } 1105 1106 static inline void 1107 ite_dnchar(struct ite_softc *sc, int n) 1108 { 1109 n = min(n, sc->cols - sc->curx); 1110 if (n < sc->cols - sc->curx) 1111 { 1112 SUBR_SCROLL(sc, sc->cury, sc->curx + n, n, SCROLL_LEFT); 1113 attrmov(sc, sc->cury, sc->curx + n, sc->cury, sc->curx, 1114 1, sc->cols - sc->curx - n); 1115 attrclr(sc, sc->cury, sc->cols - n, 1, n); 1116 } 1117 while (n-- > 0) 1118 SUBR_PUTC(sc, ' ', sc->cury, sc->cols - n - 1, ATTR_NOR); 1119 SUBR_CURSOR(sc, DRAW_CURSOR); 1120 } 1121 1122 static inline void 1123 ite_inchar(struct ite_softc *sc, int n) 1124 { 1125 n = min(n, sc->cols - sc->curx); 1126 if (n < sc->cols - sc->curx) 1127 { 1128 SUBR_SCROLL(sc, sc->cury, sc->curx, n, SCROLL_RIGHT); 1129 attrmov(sc, sc->cury, sc->curx, sc->cury, sc->curx + n, 1130 1, sc->cols - sc->curx - n); 1131 attrclr(sc, sc->cury, sc->curx, 1, n); 1132 } 1133 while (n--) 1134 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR); 1135 SUBR_CURSOR(sc, DRAW_CURSOR); 1136 } 1137 1138 static inline void 1139 ite_clrtoeol(struct ite_softc *sc) 1140 { 1141 int y = sc->cury, x = sc->curx; 1142 if (sc->cols - x > 0) 1143 { 1144 SUBR_CLEAR(sc, y, x, 1, sc->cols - x); 1145 attrclr(sc, y, x, 1, sc->cols - x); 1146 SUBR_CURSOR(sc, DRAW_CURSOR); 1147 } 1148 } 1149 1150 static inline void 1151 ite_clrtobol(struct ite_softc *sc) 1152 { 1153 int y = sc->cury, x = min(sc->curx + 1, sc->cols); 1154 SUBR_CLEAR(sc, y, 0, 1, x); 1155 attrclr(sc, y, 0, 1, x); 1156 SUBR_CURSOR(sc, DRAW_CURSOR); 1157 } 1158 1159 static inline void 1160 ite_clrline(struct ite_softc *sc) 1161 { 1162 int y = sc->cury; 1163 SUBR_CLEAR(sc, y, 0, 1, sc->cols); 1164 attrclr(sc, y, 0, 1, sc->cols); 1165 SUBR_CURSOR(sc, DRAW_CURSOR); 1166 } 1167 1168 1169 1170 static inline void 1171 ite_clrtoeos(struct ite_softc *sc) 1172 { 1173 ite_clrtoeol(sc); 1174 if (sc->cury < sc->rows - 1) 1175 { 1176 SUBR_CLEAR(sc, sc->cury + 1, 0, sc->rows - 1 - sc->cury, sc->cols); 1177 attrclr(sc, sc->cury, 0, sc->rows - sc->cury, sc->cols); 1178 SUBR_CURSOR(sc, DRAW_CURSOR); 1179 } 1180 } 1181 1182 static inline void 1183 ite_clrtobos(struct ite_softc *sc) 1184 { 1185 ite_clrtobol(sc); 1186 if (sc->cury > 0) 1187 { 1188 SUBR_CLEAR(sc, 0, 0, sc->cury, sc->cols); 1189 attrclr(sc, 0, 0, sc->cury, sc->cols); 1190 SUBR_CURSOR(sc, DRAW_CURSOR); 1191 } 1192 } 1193 1194 static inline void 1195 ite_clrscreen(struct ite_softc *sc) 1196 { 1197 SUBR_CLEAR(sc, 0, 0, sc->rows, sc->cols); 1198 attrclr(sc, 0, 0, sc->rows, sc->cols); 1199 SUBR_CURSOR(sc, DRAW_CURSOR); 1200 } 1201 1202 1203 1204 static inline void 1205 ite_dnline(struct ite_softc *sc, int n) 1206 { 1207 /* interesting.. if the cursor is outside the scrolling 1208 region, this command is simply ignored.. */ 1209 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin) 1210 return; 1211 1212 n = min(n, sc->bottom_margin + 1 - sc->cury); 1213 if (n <= sc->bottom_margin - sc->cury) 1214 { 1215 SUBR_SCROLL(sc, sc->cury + n, 0, n, SCROLL_UP); 1216 attrmov(sc, sc->cury + n, 0, sc->cury, 0, 1217 sc->bottom_margin + 1 - sc->cury - n, sc->cols); 1218 } 1219 SUBR_CLEAR(sc, sc->bottom_margin - n + 1, 0, n, sc->cols); 1220 attrclr(sc, sc->bottom_margin - n + 1, 0, n, sc->cols); 1221 SUBR_CURSOR(sc, DRAW_CURSOR); 1222 } 1223 1224 static inline void 1225 ite_inline(struct ite_softc *sc, int n) 1226 { 1227 /* interesting.. if the cursor is outside the scrolling 1228 region, this command is simply ignored.. */ 1229 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin) 1230 return; 1231 1232 n = min(n, sc->bottom_margin + 1 - sc->cury); 1233 if (n <= sc->bottom_margin - sc->cury) 1234 { 1235 SUBR_SCROLL(sc, sc->cury, 0, n, SCROLL_DOWN); 1236 attrmov(sc, sc->cury, 0, sc->cury + n, 0, 1237 sc->bottom_margin + 1 - sc->cury - n, sc->cols); 1238 } 1239 SUBR_CLEAR(sc, sc->cury, 0, n, sc->cols); 1240 attrclr(sc, sc->cury, 0, n, sc->cols); 1241 SUBR_CURSOR(sc, DRAW_CURSOR); 1242 } 1243 1244 static inline void 1245 ite_lf (struct ite_softc *sc) 1246 { 1247 ++sc->cury; 1248 if ((sc->cury == sc->bottom_margin+1) || (sc->cury == sc->rows)) 1249 { 1250 sc->cury--; 1251 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP); 1252 ite_clrline(sc); 1253 } 1254 SUBR_CURSOR(sc, MOVE_CURSOR); 1255 clr_attr(sc, ATTR_INV); 1256 } 1257 1258 static inline void 1259 ite_crlf (struct ite_softc *sc) 1260 { 1261 sc->curx = 0; 1262 ite_lf (sc); 1263 } 1264 1265 static inline void 1266 ite_cr (struct ite_softc *sc) 1267 { 1268 if (sc->curx) 1269 { 1270 sc->curx = 0; 1271 SUBR_CURSOR(sc, MOVE_CURSOR); 1272 } 1273 } 1274 1275 static inline void 1276 ite_rlf (struct ite_softc *sc) 1277 { 1278 sc->cury--; 1279 if ((sc->cury < 0) || (sc->cury == sc->top_margin - 1)) 1280 { 1281 sc->cury++; 1282 SUBR_SCROLL(sc, sc->top_margin, 0, 1, SCROLL_DOWN); 1283 ite_clrline(sc); 1284 } 1285 SUBR_CURSOR(sc, MOVE_CURSOR); 1286 clr_attr(sc, ATTR_INV); 1287 } 1288 1289 static inline int 1290 atoi (const char *cp) 1291 { 1292 int n; 1293 1294 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1295 n = n * 10 + *cp - '0'; 1296 1297 return n; 1298 } 1299 1300 static inline int 1301 ite_argnum (struct ite_softc *sc) 1302 { 1303 char ch; 1304 int n; 1305 1306 /* convert argument string into number */ 1307 if (sc->ap == sc->argbuf) 1308 return 1; 1309 ch = *sc->ap; 1310 *sc->ap = 0; 1311 n = atoi (sc->argbuf); 1312 *sc->ap = ch; 1313 1314 return n; 1315 } 1316 1317 static inline int 1318 ite_zargnum (struct ite_softc *sc) 1319 { 1320 char ch; 1321 int n; 1322 1323 /* convert argument string into number */ 1324 if (sc->ap == sc->argbuf) 1325 return 0; 1326 ch = *sc->ap; 1327 *sc->ap = 0; 1328 n = atoi (sc->argbuf); 1329 *sc->ap = ch; 1330 1331 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1332 } 1333 1334 void 1335 ite_putstr(const u_char *s, int len, dev_t dev) 1336 { 1337 struct ite_softc *sc; 1338 int i; 1339 1340 sc = getitesp(dev); 1341 1342 /* XXX avoid problems */ 1343 if ((sc->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1344 return; 1345 1346 SUBR_CURSOR(sc, START_CURSOROPT); 1347 for (i = 0; i < len; i++) 1348 if (s[i]) 1349 iteputchar(s[i], sc); 1350 SUBR_CURSOR(sc, END_CURSOROPT); 1351 } 1352 1353 1354 void 1355 iteputchar(register int c, struct ite_softc *sc) 1356 { 1357 struct tty *kbd_tty; 1358 int n, x, y; 1359 char *cp; 1360 1361 if (kbd_ite == NULL) 1362 kbd_tty = NULL; 1363 else 1364 kbd_tty = kbd_ite->tp; 1365 1366 if (sc->escape) 1367 { 1368 switch (sc->escape) 1369 { 1370 case ESC: 1371 switch (c) 1372 { 1373 /* first 7bit equivalents for the 8bit control characters */ 1374 1375 case 'D': 1376 c = IND; 1377 sc->escape = 0; 1378 break; /* and fall into the next switch below (same for all `break') */ 1379 1380 case 'E': 1381 c = NEL; 1382 sc->escape = 0; 1383 break; 1384 1385 case 'H': 1386 c = HTS; 1387 sc->escape = 0; 1388 break; 1389 1390 case 'M': 1391 c = RI; 1392 sc->escape = 0; 1393 break; 1394 1395 case 'N': 1396 c = SS2; 1397 sc->escape = 0; 1398 break; 1399 1400 case 'O': 1401 c = SS3; 1402 sc->escape = 0; 1403 break; 1404 1405 case 'P': 1406 c = DCS; 1407 sc->escape = 0; 1408 break; 1409 1410 case '[': 1411 c = CSI; 1412 sc->escape = 0; 1413 break; 1414 1415 case '\\': 1416 c = ST; 1417 sc->escape = 0; 1418 break; 1419 1420 case ']': 1421 c = OSC; 1422 sc->escape = 0; 1423 break; 1424 1425 case '^': 1426 c = PM; 1427 sc->escape = 0; 1428 break; 1429 1430 case '_': 1431 c = APC; 1432 sc->escape = 0; 1433 break; 1434 1435 1436 /* introduces 7/8bit control */ 1437 case ' ': 1438 /* can be followed by either F or G */ 1439 sc->escape = ' '; 1440 break; 1441 1442 1443 /* a lot of character set selections, not yet used... 1444 94-character sets: */ 1445 case '(': /* G0 */ 1446 case ')': /* G1 */ 1447 sc->escape = c; 1448 return; 1449 1450 case '*': /* G2 */ 1451 case '+': /* G3 */ 1452 case 'B': /* ASCII */ 1453 case 'A': /* ISO latin 1 */ 1454 case '<': /* user preferred suplemental */ 1455 case '0': /* dec special graphics */ 1456 1457 /* 96-character sets: */ 1458 case '-': /* G1 */ 1459 case '.': /* G2 */ 1460 case '/': /* G3 */ 1461 1462 /* national character sets: */ 1463 case '4': /* dutch */ 1464 case '5': 1465 case 'C': /* finnish */ 1466 case 'R': /* french */ 1467 case 'Q': /* french canadian */ 1468 case 'K': /* german */ 1469 case 'Y': /* italian */ 1470 case '6': /* norwegian/danish */ 1471 /* note: %5 and %6 are not supported (two chars..) */ 1472 1473 sc->escape = 0; 1474 /* just ignore for now */ 1475 return; 1476 1477 1478 /* locking shift modes (as you might guess, not yet supported..) */ 1479 case '`': 1480 sc->GR = sc->G1; 1481 sc->escape = 0; 1482 return; 1483 1484 case 'n': 1485 sc->GL = sc->G2; 1486 sc->escape = 0; 1487 return; 1488 1489 case '}': 1490 sc->GR = sc->G2; 1491 sc->escape = 0; 1492 return; 1493 1494 case 'o': 1495 sc->GL = sc->G3; 1496 sc->escape = 0; 1497 return; 1498 1499 case '|': 1500 sc->GR = sc->G3; 1501 sc->escape = 0; 1502 return; 1503 1504 1505 /* font width/height control */ 1506 case '#': 1507 sc->escape = '#'; 1508 return; 1509 1510 1511 /* hard terminal reset .. */ 1512 case 'c': 1513 ite_reset (sc); 1514 SUBR_CURSOR(sc, MOVE_CURSOR); 1515 sc->escape = 0; 1516 return; 1517 1518 1519 case '7': 1520 sc->save_curx = sc->curx; 1521 sc->save_cury = sc->cury; 1522 sc->save_attribute = sc->attribute; 1523 sc->escape = 0; 1524 return; 1525 1526 case '8': 1527 sc->curx = sc->save_curx; 1528 sc->cury = sc->save_cury; 1529 sc->attribute = sc->save_attribute; 1530 SUBR_CURSOR(sc, MOVE_CURSOR); 1531 sc->escape = 0; 1532 return; 1533 1534 case '=': 1535 sc->keypad_appmode = 1; 1536 sc->escape = 0; 1537 return; 1538 1539 case '>': 1540 sc->keypad_appmode = 0; 1541 sc->escape = 0; 1542 return; 1543 1544 case 'Z': /* request ID */ 1545 if (sc->emul_level == EMUL_VT100) 1546 ite_sendstr ("\033[?61;0c"); /* XXX not clean */ 1547 else 1548 ite_sendstr ("\033[?63;0c"); /* XXX not clean */ 1549 sc->escape = 0; 1550 return; 1551 1552 /* default catch all for not recognized ESC sequences */ 1553 default: 1554 sc->escape = 0; 1555 return; 1556 } 1557 break; 1558 1559 1560 case '(': 1561 case ')': 1562 sc->escape = 0; 1563 return; 1564 1565 1566 case ' ': 1567 switch (c) 1568 { 1569 case 'F': 1570 sc->eightbit_C1 = 0; 1571 sc->escape = 0; 1572 return; 1573 1574 case 'G': 1575 sc->eightbit_C1 = 1; 1576 sc->escape = 0; 1577 return; 1578 1579 default: 1580 /* not supported */ 1581 sc->escape = 0; 1582 return; 1583 } 1584 break; 1585 1586 1587 case '#': 1588 switch (c) 1589 { 1590 case '5': 1591 /* single height, single width */ 1592 sc->escape = 0; 1593 return; 1594 1595 case '6': 1596 /* double width, single height */ 1597 sc->escape = 0; 1598 return; 1599 1600 case '3': 1601 /* top half */ 1602 sc->escape = 0; 1603 return; 1604 1605 case '4': 1606 /* bottom half */ 1607 sc->escape = 0; 1608 return; 1609 1610 case '8': 1611 /* screen alignment pattern... */ 1612 alignment_display (sc); 1613 sc->escape = 0; 1614 return; 1615 1616 default: 1617 sc->escape = 0; 1618 return; 1619 } 1620 break; 1621 1622 1623 1624 case CSI: 1625 /* the biggie... */ 1626 switch (c) 1627 { 1628 case '0': case '1': case '2': case '3': case '4': 1629 case '5': case '6': case '7': case '8': case '9': 1630 case ';': case '\"': case '$': case '>': 1631 if (sc->ap < sc->argbuf + MAX_ARGSIZE) 1632 *sc->ap++ = c; 1633 return; 1634 1635 case BS: 1636 /* you wouldn't believe such perversion is possible? 1637 it is.. BS is allowed in between cursor sequences 1638 (at least), according to vttest.. */ 1639 if (--sc->curx < 0) 1640 sc->curx = 0; 1641 else 1642 SUBR_CURSOR(sc, MOVE_CURSOR); 1643 break; 1644 1645 case 'p': 1646 *sc->ap = 0; 1647 if (! strncmp (sc->argbuf, "61\"", 3)) 1648 sc->emul_level = EMUL_VT100; 1649 else if (! strncmp (sc->argbuf, "63;1\"", 5) 1650 || ! strncmp (sc->argbuf, "62;1\"", 5)) 1651 sc->emul_level = EMUL_VT300_7; 1652 else 1653 sc->emul_level = EMUL_VT300_8; 1654 sc->escape = 0; 1655 return; 1656 1657 1658 case '?': 1659 *sc->ap = 0; 1660 sc->escape = '?'; 1661 sc->ap = sc->argbuf; 1662 return; 1663 1664 1665 case 'c': 1666 *sc->ap = 0; 1667 if (sc->argbuf[0] == '>') 1668 { 1669 ite_sendstr ("\033[>24;0;0;0c"); 1670 } 1671 else switch (ite_zargnum(sc)) 1672 { 1673 case 0: 1674 /* primary DA request, send primary DA response */ 1675 if (sc->emul_level == EMUL_VT100) 1676 ite_sendstr ("\033[?1;1c"); 1677 else 1678 ite_sendstr ("\033[?63;1c"); 1679 break; 1680 } 1681 sc->escape = 0; 1682 return; 1683 1684 case 'n': 1685 switch (ite_zargnum(sc)) 1686 { 1687 case 5: 1688 ite_sendstr ("\033[0n"); /* no malfunction */ 1689 break; 1690 case 6: 1691 /* cursor position report */ 1692 sprintf (sc->argbuf, "\033[%d;%dR", 1693 sc->cury + 1, sc->curx + 1); 1694 ite_sendstr (sc->argbuf); 1695 break; 1696 } 1697 sc->escape = 0; 1698 return; 1699 1700 1701 case 'x': 1702 switch (ite_zargnum(sc)) 1703 { 1704 case 0: 1705 /* Fake some terminal parameters. */ 1706 ite_sendstr ("\033[2;1;1;112;112;1;0x"); 1707 break; 1708 case 1: 1709 ite_sendstr ("\033[3;1;1;112;112;1;0x"); 1710 break; 1711 } 1712 sc->escape = 0; 1713 return; 1714 1715 1716 case 'g': 1717 switch (ite_zargnum(sc)) 1718 { 1719 case 0: 1720 if (sc->curx < sc->cols) 1721 sc->tabs[sc->curx] = 0; 1722 break; 1723 case 3: 1724 for (n = 0; n < sc->cols; n++) 1725 sc->tabs[n] = 0; 1726 break; 1727 } 1728 sc->escape = 0; 1729 return; 1730 1731 1732 case 'h': case 'l': 1733 n = ite_zargnum (sc); 1734 switch (n) 1735 { 1736 case 4: 1737 sc->imode = (c == 'h'); /* insert/replace mode */ 1738 break; 1739 case 20: 1740 sc->linefeed_newline = (c == 'h'); 1741 break; 1742 } 1743 sc->escape = 0; 1744 return; 1745 1746 1747 case 'M': 1748 ite_dnline (sc, ite_argnum (sc)); 1749 sc->escape = 0; 1750 return; 1751 1752 1753 case 'L': 1754 ite_inline (sc, ite_argnum (sc)); 1755 sc->escape = 0; 1756 return; 1757 1758 1759 case 'P': 1760 ite_dnchar (sc, ite_argnum (sc)); 1761 sc->escape = 0; 1762 return; 1763 1764 1765 case '@': 1766 ite_inchar (sc, ite_argnum (sc)); 1767 sc->escape = 0; 1768 return; 1769 1770 1771 case 'G': 1772 /* this one was *not* in my vt320 manual but in 1773 a vt320 termcap entry.. who is right? 1774 It's supposed to set the horizontal cursor position. */ 1775 *sc->ap = 0; 1776 x = atoi (sc->argbuf); 1777 if (x) x--; 1778 sc->curx = min(x, sc->cols - 1); 1779 sc->escape = 0; 1780 SUBR_CURSOR(sc, MOVE_CURSOR); 1781 clr_attr (sc, ATTR_INV); 1782 return; 1783 1784 1785 case 'd': 1786 /* same thing here, this one's for setting the absolute 1787 vertical cursor position. Not documented... */ 1788 *sc->ap = 0; 1789 y = atoi (sc->argbuf); 1790 if (y) y--; 1791 if (sc->inside_margins) 1792 y += sc->top_margin; 1793 sc->cury = min(y, sc->rows - 1); 1794 sc->escape = 0; 1795 snap_cury(sc); 1796 SUBR_CURSOR(sc, MOVE_CURSOR); 1797 clr_attr (sc, ATTR_INV); 1798 return; 1799 1800 1801 case 'H': 1802 case 'f': 1803 *sc->ap = 0; 1804 y = atoi (sc->argbuf); 1805 x = 0; 1806 cp = strchr(sc->argbuf, ';'); 1807 if (cp) 1808 x = atoi (cp + 1); 1809 if (x) x--; 1810 if (y) y--; 1811 if (sc->inside_margins) 1812 y += sc->top_margin; 1813 sc->cury = min(y, sc->rows - 1); 1814 sc->curx = min(x, sc->cols - 1); 1815 sc->escape = 0; 1816 snap_cury(sc); 1817 SUBR_CURSOR(sc, MOVE_CURSOR); 1818 clr_attr (sc, ATTR_INV); 1819 return; 1820 1821 case 'A': 1822 n = ite_argnum (sc); 1823 n = sc->cury - (n ? n : 1); 1824 if (n < 0) n = 0; 1825 if (sc->inside_margins) 1826 n = max(sc->top_margin, n); 1827 else if (n == sc->top_margin - 1) 1828 /* allow scrolling outside region, but don't scroll out 1829 of active region without explicit CUP */ 1830 n = sc->top_margin; 1831 sc->cury = n; 1832 sc->escape = 0; 1833 SUBR_CURSOR(sc, MOVE_CURSOR); 1834 clr_attr (sc, ATTR_INV); 1835 return; 1836 1837 case 'B': 1838 n = ite_argnum (sc); 1839 n = sc->cury + (n ? n : 1); 1840 n = min(sc->rows - 1, n); 1841 if (sc->inside_margins) 1842 n = min(sc->bottom_margin, n); 1843 else if (n == sc->bottom_margin + 1) 1844 /* allow scrolling outside region, but don't scroll out 1845 of active region without explicit CUP */ 1846 n = sc->bottom_margin; 1847 sc->cury = n; 1848 sc->escape = 0; 1849 SUBR_CURSOR(sc, MOVE_CURSOR); 1850 clr_attr (sc, ATTR_INV); 1851 return; 1852 1853 case 'C': 1854 n = ite_argnum (sc); 1855 n = n ? n : 1; 1856 sc->curx = min(sc->curx + n, sc->cols - 1); 1857 sc->escape = 0; 1858 SUBR_CURSOR(sc, MOVE_CURSOR); 1859 clr_attr (sc, ATTR_INV); 1860 return; 1861 1862 case 'D': 1863 n = ite_argnum (sc); 1864 n = n ? n : 1; 1865 n = sc->curx - n; 1866 sc->curx = n >= 0 ? n : 0; 1867 sc->escape = 0; 1868 SUBR_CURSOR(sc, MOVE_CURSOR); 1869 clr_attr (sc, ATTR_INV); 1870 return; 1871 1872 1873 1874 1875 case 'J': 1876 *sc->ap = 0; 1877 n = ite_zargnum (sc); 1878 if (n == 0) 1879 ite_clrtoeos(sc); 1880 else if (n == 1) 1881 ite_clrtobos(sc); 1882 else if (n == 2) 1883 ite_clrscreen(sc); 1884 sc->escape = 0; 1885 return; 1886 1887 1888 case 'K': 1889 n = ite_zargnum (sc); 1890 if (n == 0) 1891 ite_clrtoeol(sc); 1892 else if (n == 1) 1893 ite_clrtobol(sc); 1894 else if (n == 2) 1895 ite_clrline(sc); 1896 sc->escape = 0; 1897 return; 1898 1899 1900 case 'X': 1901 n = ite_argnum(sc) - 1; 1902 n = min(n, sc->cols - 1 - sc->curx); 1903 for (; n >= 0; n--) 1904 { 1905 attrclr(sc, sc->cury, sc->curx + n, 1, 1); 1906 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR); 1907 } 1908 sc->escape = 0; 1909 return; 1910 1911 1912 case '}': case '`': 1913 /* status line control */ 1914 sc->escape = 0; 1915 return; 1916 1917 1918 case 'r': 1919 *sc->ap = 0; 1920 x = atoi (sc->argbuf); 1921 x = x ? x : 1; 1922 y = sc->rows; 1923 cp = strchr(sc->argbuf, ';'); 1924 if (cp) 1925 { 1926 y = atoi (cp + 1); 1927 y = y ? y : sc->rows; 1928 } 1929 if (y - x < 2) 1930 { 1931 /* if illegal scrolling region, reset to defaults */ 1932 x = 1; 1933 y = sc->rows; 1934 } 1935 x--; 1936 y--; 1937 sc->top_margin = min(x, sc->rows - 1); 1938 sc->bottom_margin = min(y, sc->rows - 1); 1939 if (sc->inside_margins) 1940 { 1941 sc->cury = sc->top_margin; 1942 sc->curx = 0; 1943 SUBR_CURSOR(sc, MOVE_CURSOR); 1944 } 1945 sc->escape = 0; 1946 return; 1947 1948 1949 case 'm': 1950 /* big attribute setter/resetter */ 1951 { 1952 char *chp; 1953 *sc->ap = 0; 1954 /* kludge to make CSIm work (== CSI0m) */ 1955 if (sc->ap == sc->argbuf) 1956 sc->ap++; 1957 for (chp = sc->argbuf; chp < sc->ap; ) 1958 { 1959 switch (*chp) 1960 { 1961 case 0: 1962 case '0': 1963 clr_attr (sc, ATTR_ALL); 1964 chp++; 1965 break; 1966 1967 case '1': 1968 set_attr (sc, ATTR_BOLD); 1969 chp++; 1970 break; 1971 1972 case '2': 1973 switch (chp[1]) 1974 { 1975 case '2': 1976 clr_attr (sc, ATTR_BOLD); 1977 chp += 2; 1978 break; 1979 1980 case '4': 1981 clr_attr (sc, ATTR_UL); 1982 chp += 2; 1983 break; 1984 1985 case '5': 1986 clr_attr (sc, ATTR_BLINK); 1987 chp += 2; 1988 break; 1989 1990 case '7': 1991 clr_attr (sc, ATTR_INV); 1992 chp += 2; 1993 break; 1994 1995 default: 1996 chp++; 1997 break; 1998 } 1999 break; 2000 2001 case '4': 2002 set_attr (sc, ATTR_UL); 2003 chp++; 2004 break; 2005 2006 case '5': 2007 set_attr (sc, ATTR_BLINK); 2008 chp++; 2009 break; 2010 2011 case '7': 2012 set_attr (sc, ATTR_INV); 2013 chp++; 2014 break; 2015 2016 default: 2017 chp++; 2018 break; 2019 } 2020 } 2021 2022 } 2023 sc->escape = 0; 2024 return; 2025 2026 2027 case 'u': 2028 /* DECRQTSR */ 2029 ite_sendstr ("\033P\033\\"); 2030 sc->escape = 0; 2031 return; 2032 2033 2034 2035 default: 2036 sc->escape = 0; 2037 return; 2038 } 2039 break; 2040 2041 2042 2043 case '?': /* CSI ? */ 2044 switch (c) 2045 { 2046 case '0': case '1': case '2': case '3': case '4': 2047 case '5': case '6': case '7': case '8': case '9': 2048 case ';': case '\"': case '$': 2049 /* Don't fill the last character; it's needed. */ 2050 /* XXX yeah, where ?? */ 2051 if (sc->ap < sc->argbuf + MAX_ARGSIZE - 1) 2052 *sc->ap++ = c; 2053 return; 2054 2055 2056 case 'n': 2057 *sc->ap = 0; 2058 if (sc->ap == &sc->argbuf[2]) 2059 { 2060 if (! strncmp (sc->argbuf, "15", 2)) 2061 /* printer status: no printer */ 2062 ite_sendstr ("\033[13n"); 2063 2064 else if (! strncmp (sc->argbuf, "25", 2)) 2065 /* udk status */ 2066 ite_sendstr ("\033[20n"); 2067 2068 else if (! strncmp (sc->argbuf, "26", 2)) 2069 /* keyboard dialect: US */ 2070 ite_sendstr ("\033[27;1n"); 2071 } 2072 sc->escape = 0; 2073 return; 2074 2075 2076 case 'h': case 'l': 2077 n = ite_zargnum (sc); 2078 switch (n) 2079 { 2080 case 1: 2081 sc->cursor_appmode = (c == 'h'); 2082 break; 2083 2084 case 3: 2085 /* 132/80 columns (132 == 'h') */ 2086 break; 2087 2088 case 4: /* smooth scroll */ 2089 break; 2090 2091 case 5: 2092 /* light background (=='h') /dark background(=='l') */ 2093 break; 2094 2095 case 6: /* origin mode */ 2096 sc->inside_margins = (c == 'h'); 2097 sc->curx = 0; 2098 sc->cury = sc->inside_margins ? sc->top_margin : 0; 2099 SUBR_CURSOR(sc, MOVE_CURSOR); 2100 break; 2101 2102 case 7: /* auto wraparound */ 2103 sc->auto_wrap = (c == 'h'); 2104 break; 2105 2106 case 8: /* keyboard repeat */ 2107 sc->key_repeat = (c == 'h'); 2108 break; 2109 2110 case 20: /* newline mode */ 2111 sc->linefeed_newline = (c == 'h'); 2112 break; 2113 2114 case 25: /* cursor on/off */ 2115 SUBR_CURSOR(sc, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR); 2116 break; 2117 } 2118 sc->escape = 0; 2119 return; 2120 2121 default: 2122 sc->escape = 0; 2123 return; 2124 } 2125 break; 2126 2127 2128 default: 2129 sc->escape = 0; 2130 return; 2131 } 2132 } 2133 2134 switch (c) { 2135 2136 case VT: /* VT is treated like LF */ 2137 case FF: /* so is FF */ 2138 case LF: 2139 /* cr->crlf distinction is done here, on output, 2140 not on input! */ 2141 if (sc->linefeed_newline) 2142 ite_crlf (sc); 2143 else 2144 ite_lf (sc); 2145 break; 2146 2147 case CR: 2148 ite_cr (sc); 2149 break; 2150 2151 case BS: 2152 if (--sc->curx < 0) 2153 sc->curx = 0; 2154 else 2155 SUBR_CURSOR(sc, MOVE_CURSOR); 2156 break; 2157 2158 case HT: 2159 for (n = sc->curx + 1; n < sc->cols; n++) { 2160 if (sc->tabs[n]) { 2161 sc->curx = n; 2162 SUBR_CURSOR(sc, MOVE_CURSOR); 2163 break; 2164 } 2165 } 2166 break; 2167 2168 case BEL: 2169 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty) 2170 kbdbell(); 2171 break; 2172 2173 case SO: 2174 sc->GL = sc->G1; 2175 break; 2176 2177 case SI: 2178 sc->GL = sc->G0; 2179 break; 2180 2181 case ENQ: 2182 /* send answer-back message !! */ 2183 break; 2184 2185 case CAN: 2186 sc->escape = 0; /* cancel any escape sequence in progress */ 2187 break; 2188 2189 case SUB: 2190 sc->escape = 0; /* dito, but see below */ 2191 /* should also display a reverse question mark!! */ 2192 break; 2193 2194 case ESC: 2195 sc->escape = ESC; 2196 break; 2197 2198 2199 /* now it gets weird.. 8bit control sequences.. */ 2200 case IND: /* index: move cursor down, scroll */ 2201 ite_lf (sc); 2202 break; 2203 2204 case NEL: /* next line. next line, first pos. */ 2205 ite_crlf (sc); 2206 break; 2207 2208 case HTS: /* set horizontal tab */ 2209 if (sc->curx < sc->cols) 2210 sc->tabs[sc->curx] = 1; 2211 break; 2212 2213 case RI: /* reverse index */ 2214 ite_rlf (sc); 2215 break; 2216 2217 case SS2: /* go into G2 for one character */ 2218 /* not yet supported */ 2219 break; 2220 2221 case SS3: /* go into G3 for one character */ 2222 break; 2223 2224 case DCS: /* device control string introducer */ 2225 sc->escape = DCS; 2226 sc->ap = sc->argbuf; 2227 break; 2228 2229 case CSI: /* control sequence introducer */ 2230 sc->escape = CSI; 2231 sc->ap = sc->argbuf; 2232 break; 2233 2234 case ST: /* string terminator */ 2235 /* ignore, if not used as terminator */ 2236 break; 2237 2238 case OSC: /* introduces OS command. Ignore everything upto ST */ 2239 sc->escape = OSC; 2240 break; 2241 2242 case PM: /* privacy message, ignore everything upto ST */ 2243 sc->escape = PM; 2244 break; 2245 2246 case APC: /* application program command, ignore everything upto ST */ 2247 sc->escape = APC; 2248 break; 2249 2250 default: 2251 if (c < ' ' || c == DEL) 2252 break; 2253 if (sc->imode) 2254 ite_inchar(sc, 1); 2255 iteprecheckwrap(sc); 2256 #ifdef DO_WEIRD_ATTRIBUTES 2257 if ((sc->attribute & ATTR_INV) || attrtest(sc, ATTR_INV)) { 2258 attrset(sc, ATTR_INV); 2259 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_INV); 2260 } 2261 else 2262 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_NOR); 2263 #else 2264 SUBR_PUTC(sc, c, sc->cury, sc->curx, sc->attribute); 2265 #endif 2266 SUBR_CURSOR(sc, DRAW_CURSOR); 2267 itecheckwrap(sc); 2268 break; 2269 } 2270 } 2271 2272 static void 2273 iteprecheckwrap(struct ite_softc *sc) 2274 { 2275 if (sc->auto_wrap && sc->curx == sc->cols) { 2276 sc->curx = 0; 2277 clr_attr(sc, ATTR_INV); 2278 if (++sc->cury >= sc->bottom_margin + 1) { 2279 sc->cury = sc->bottom_margin; 2280 SUBR_CURSOR(sc, MOVE_CURSOR); 2281 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP); 2282 ite_clrtoeol(sc); 2283 } else 2284 SUBR_CURSOR(sc, MOVE_CURSOR); 2285 } 2286 } 2287 2288 static void 2289 itecheckwrap(struct ite_softc *sc) 2290 { 2291 if (sc->curx < sc->cols) { 2292 sc->curx++; 2293 SUBR_CURSOR(sc, MOVE_CURSOR); 2294 } 2295 } 2296
Indexes created Tue Sep 23 07:09:52 GMT 2025