ite.c revision 1.77.18.2
1 /* $NetBSD: ite.c,v 1.77.18.2 2020/04/13 08:03:39 martin 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 1.77.18.2 2020/04/13 08:03:39 martin 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 static void iteputchar(int c, struct ite_softc *sc); 139 static void ite_putstr(const u_char * s, int len, dev_t dev); 140 141 static void iteattach(device_t, device_t, void *); 142 static int itematch(device_t, cfdata_t, void *); 143 144 /* 145 * Console specific types. 146 */ 147 dev_type_cnprobe(itecnprobe); 148 dev_type_cninit(itecninit); 149 dev_type_cngetc(itecngetc); 150 dev_type_cnputc(itecnputc); 151 152 CFATTACH_DECL_NEW(ite, sizeof(struct ite_softc), 153 itematch, iteattach, NULL, NULL); 154 155 dev_type_open(iteopen); 156 dev_type_close(iteclose); 157 dev_type_read(iteread); 158 dev_type_write(itewrite); 159 dev_type_ioctl(iteioctl); 160 dev_type_tty(itetty); 161 dev_type_poll(itepoll); 162 163 const struct cdevsw ite_cdevsw = { 164 .d_open = iteopen, 165 .d_close = iteclose, 166 .d_read = iteread, 167 .d_write = itewrite, 168 .d_ioctl = iteioctl, 169 .d_stop = nostop, 170 .d_tty = itetty, 171 .d_poll = itepoll, 172 .d_mmap = nommap, 173 .d_kqfilter = ttykqfilter, 174 .d_discard = nodiscard, 175 .d_flag = D_TTY 176 }; 177 178 /* 179 * Keep track of the device number of the ite console. Only used in the 180 * itematch/iteattach functions. 181 */ 182 static int cons_ite = -1; 183 184 static int 185 itematch(device_t parent, cfdata_t cf, void *aux) 186 { 187 188 /* 189 * Handle early console stuff. The first unit number 190 * is the console unit. All other early matches will fail. 191 */ 192 if (atari_realconfig == 0) { 193 if (cons_ite >= 0) 194 return 0; 195 cons_ite = cf->cf_unit; 196 return 1; 197 } 198 return 1; 199 } 200 201 static void 202 iteattach(device_t parent, device_t self, void *aux) 203 { 204 struct grf_softc *gsc; 205 struct ite_softc *sc; 206 int s; 207 int maj, unit; 208 209 gsc = device_private(parent); 210 sc = device_private(self); 211 212 maj = cdevsw_lookup_major(&ite_cdevsw); 213 unit = (self != NULL) ? device_unit(self) : cons_ite; 214 gsc->g_itedev = makedev(maj, unit); 215 216 if (self != NULL) { 217 s = spltty(); 218 if (con_itesoftc.grf != NULL && 219 con_itesoftc.grf->g_unit == gsc->g_unit) { 220 /* 221 * console reinit copy params over. 222 * and console always gets keyboard 223 */ 224 memcpy(&sc->grf, &con_itesoftc.grf, 225 (char *)&sc[1] - (char *)&sc->grf); 226 con_itesoftc.grf = NULL; 227 kbd_ite = sc; 228 } 229 sc->grf = gsc; 230 splx(s); 231 232 iteinit(gsc->g_itedev); 233 printf(": %dx%d", sc->rows, sc->cols); 234 printf(" repeat at (%d/100)s next at (%d/100)s", 235 start_repeat_timeo, next_repeat_timeo); 236 237 if (kbd_ite == NULL) 238 kbd_ite = sc; 239 if (kbd_ite == sc) 240 printf(" has keyboard"); 241 printf("\n"); 242 sc->flags |= ITE_ATTACHED; 243 } else { 244 if (con_itesoftc.grf != NULL && 245 con_itesoftc.grf->g_conpri > gsc->g_conpri) 246 return; 247 con_itesoftc.grf = gsc; 248 con_itesoftc.tabs = cons_tabs; 249 } 250 } 251 252 static struct ite_softc * 253 getitesp(dev_t dev) 254 { 255 256 if (atari_realconfig && (con_itesoftc.grf == NULL)) 257 return(device_lookup_private(&ite_cd, ITEUNIT(dev))); 258 259 if (con_itesoftc.grf == NULL) 260 panic("no ite_softc for console"); 261 return(&con_itesoftc); 262 } 263 264 /* 265 * cons.c entry points into ite device. 266 */ 267 268 /* 269 * Return a priority in consdev->cn_pri field highest wins. This function 270 * is called before any devices have been probed. 271 */ 272 void 273 itecnprobe(struct consdev *cd) 274 { 275 /* 276 * return priority of the best ite (already picked from attach) 277 * or CN_DEAD. 278 */ 279 if (con_itesoftc.grf == NULL) 280 cd->cn_pri = CN_DEAD; 281 else { 282 cd->cn_pri = con_itesoftc.grf->g_conpri; 283 cd->cn_dev = con_itesoftc.grf->g_itedev; 284 } 285 } 286 287 void 288 itecninit(struct consdev *cd) 289 { 290 struct ite_softc *sc; 291 292 sc = getitesp(cd->cn_dev); 293 sc->flags |= ITE_ISCONS; 294 iteinit(cd->cn_dev); 295 sc->flags |= ITE_ACTIVE | ITE_ISCONS; 296 } 297 298 /* 299 * ite_cnfinish() is called in ite_init() when the device is 300 * being probed in the normal fasion, thus we can finish setting 301 * up this ite now that the system is more functional. 302 */ 303 void 304 ite_cnfinish(struct ite_softc *sc) 305 { 306 static int done; 307 308 if (done) 309 return; 310 done = 1; 311 } 312 313 int 314 itecngetc(dev_t dev) 315 { 316 int c; 317 318 do { 319 c = kbdgetcn(); 320 c = ite_cnfilter(c, ITEFILT_CONSOLE); 321 } while (c == -1); 322 return (c); 323 } 324 325 void 326 itecnputc(dev_t dev, int c) 327 { 328 static int paniced; 329 struct ite_softc *sc; 330 char ch; 331 332 sc = getitesp(dev); 333 ch = c; 334 335 if (panicstr && !paniced && 336 (sc->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 337 ite_on(dev, 3); 338 paniced = 1; 339 } 340 SUBR_CURSOR(sc, START_CURSOROPT); 341 iteputchar(ch, sc); 342 SUBR_CURSOR(sc, END_CURSOROPT); 343 } 344 345 /* 346 * standard entry points to the device. 347 */ 348 349 /* 350 * iteinit() is the standard entry point for initialization of 351 * an ite device, it is also called from itecninit(). 352 * 353 */ 354 void 355 iteinit(dev_t dev) 356 { 357 struct ite_softc *sc; 358 359 sc = getitesp(dev); 360 if (sc->flags & ITE_INITED) 361 return; 362 if (atari_realconfig) { 363 if (sc->kbdmap && sc->kbdmap != &ascii_kbdmap) 364 free(sc->kbdmap, M_DEVBUF); 365 sc->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK); 366 memcpy(sc->kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 367 } 368 else 369 sc->kbdmap = &ascii_kbdmap; 370 371 sc->cursorx = 0; 372 sc->cursory = 0; 373 SUBR_INIT(sc); 374 SUBR_CURSOR(sc, DRAW_CURSOR); 375 if (sc->tabs == NULL) 376 sc->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 377 ite_reset(sc); 378 sc->flags |= ITE_INITED; 379 } 380 381 int 382 iteopen(dev_t dev, int mode, int devtype, struct lwp *l) 383 { 384 struct ite_softc *sc; 385 struct tty *tp; 386 int error, first, unit; 387 388 unit = ITEUNIT(dev); 389 if (unit >= ite_cd.cd_ndevs) 390 return ENXIO; 391 392 first = 0; 393 sc = getitesp(dev); 394 if (sc == NULL) 395 return ENXIO; 396 if ((sc->flags & ITE_ATTACHED) == 0) 397 return (ENXIO); 398 399 if (sc->tp == NULL) { 400 tp = sc->tp = tty_alloc(); 401 tty_attach(tp); 402 } 403 else 404 tp = sc->tp; 405 406 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) 407 return (EBUSY); 408 409 if ((sc->flags & ITE_ACTIVE) == 0) { 410 ite_on(dev, 0); 411 first = 1; 412 } 413 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) { 414 tp->t_oproc = itestart; 415 tp->t_param = ite_param; 416 tp->t_dev = dev; 417 tp->t_iflag = TTYDEF_IFLAG; 418 tp->t_oflag = TTYDEF_OFLAG; 419 tp->t_cflag = TTYDEF_CFLAG; 420 tp->t_lflag = TTYDEF_LFLAG; 421 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 422 tp->t_state = TS_CARR_ON; 423 ttychars(tp); 424 ttsetwater(tp); 425 } 426 427 428 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0); 429 if (error) 430 goto bad; 431 432 error = (*tp->t_linesw->l_open) (dev, tp); 433 if (error) 434 goto bad; 435 436 tp->t_winsize.ws_row = sc->rows; 437 tp->t_winsize.ws_col = sc->cols; 438 if (!kbd_init) { 439 kbd_init = 1; 440 kbdenable(); 441 } 442 return (0); 443 444 445 bad: 446 if (first) 447 ite_off(dev, 0); 448 449 return (error); 450 } 451 452 int 453 iteclose(dev_t dev, int flag, int mode, struct lwp *l) 454 { 455 struct tty *tp; 456 457 tp = getitesp(dev)->tp; 458 459 KDASSERT(tp); 460 (*tp->t_linesw->l_close) (tp, flag); 461 ttyclose(tp); 462 ite_off(dev, 0); 463 return (0); 464 } 465 466 int 467 iteread(dev_t dev, struct uio *uio, int flag) 468 { 469 struct tty *tp; 470 471 tp = getitesp(dev)->tp; 472 473 KDASSERT(tp); 474 return ((*tp->t_linesw->l_read) (tp, uio, flag)); 475 } 476 477 int 478 itewrite(dev_t dev, struct uio *uio, int flag) 479 { 480 struct tty *tp; 481 482 tp = getitesp(dev)->tp; 483 484 KDASSERT(tp); 485 return ((*tp->t_linesw->l_write) (tp, uio, flag)); 486 } 487 488 int 489 itepoll(dev_t dev, int events, struct lwp *l) 490 { 491 struct tty *tp; 492 493 tp = getitesp(dev)->tp; 494 495 KDASSERT(tp); 496 return ((*tp->t_linesw->l_poll)(tp, events, l)); 497 } 498 499 struct tty * 500 itetty(dev_t dev) 501 { 502 return(getitesp(dev)->tp); 503 } 504 505 int 506 iteioctl(dev_t dev, u_long cmd, void * addr, int flag, struct lwp *l) 507 { 508 struct iterepeat *irp; 509 struct ite_softc *sc; 510 struct tty *tp; 511 view_t *view; 512 struct itewinsize *is; 513 struct itebell *ib; 514 int error; 515 516 sc = getitesp(dev); 517 tp = sc->tp; 518 view = viewview(sc->grf->g_viewdev); 519 520 KDASSERT(tp); 521 522 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, l); 523 if (error != EPASSTHROUGH) 524 return (error); 525 526 error = ttioctl(tp, cmd, addr, flag, l); 527 if (error != EPASSTHROUGH) 528 return (error); 529 530 switch (cmd) { 531 case ITEIOCSKMAP: 532 if (addr == NULL) 533 return(EFAULT); 534 memcpy(sc->kbdmap, addr, sizeof(struct kbdmap)); 535 return 0; 536 case ITEIOCSSKMAP: 537 if (addr == NULL) 538 return(EFAULT); 539 memcpy(&ascii_kbdmap, addr, sizeof(struct kbdmap)); 540 return 0; 541 case ITEIOCGKMAP: 542 if (addr == NULL) 543 return(EFAULT); 544 memcpy(addr, sc->kbdmap, sizeof(struct kbdmap)); 545 return 0; 546 case ITEIOCGREPT: 547 if (addr == NULL) 548 return(EFAULT); 549 irp = (struct iterepeat *)addr; 550 irp->start = start_repeat_timeo; 551 irp->next = next_repeat_timeo; 552 return 0; 553 case ITEIOCSREPT: 554 if (addr == NULL) 555 return(EFAULT); 556 irp = (struct iterepeat *)addr; 557 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT) 558 return(EINVAL); 559 start_repeat_timeo = irp->start; 560 next_repeat_timeo = irp->next; 561 return 0; 562 case ITEIOCGWINSZ: 563 if (addr == NULL) 564 return(EFAULT); 565 is = (struct itewinsize *)addr; 566 is->x = view->display.x; 567 is->y = view->display.y; 568 is->width = view->display.width; 569 is->height = view->display.height; 570 is->depth = view->bitmap->depth; 571 return 0; 572 case ITEIOCDSPWIN: 573 sc->grf->g_mode(sc->grf, GM_GRFON, NULL, 0, 0); 574 return 0; 575 case ITEIOCREMWIN: 576 sc->grf->g_mode(sc->grf, GM_GRFOFF, NULL, 0, 0); 577 return 0; 578 case ITEIOCSBELL: 579 if (addr == NULL) 580 return(EFAULT); 581 ib = (struct itebell *)addr; 582 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec); 583 return 0; 584 case ITEIOCGBELL: 585 if (addr == NULL) 586 return(EFAULT); 587 ib = (struct itebell *)addr; 588 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec); 589 return 0; 590 } 591 return (sc->itexx_ioctl)(sc, cmd, addr, flag, l); 592 } 593 594 void 595 itestart(struct tty *tp) 596 { 597 struct clist *rbp; 598 u_char buf[ITEBURST]; 599 int s, len; 600 601 KDASSERT(tp); 602 603 s = spltty(); { 604 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 605 goto out; 606 607 tp->t_state |= TS_BUSY; 608 rbp = &tp->t_outq; 609 610 len = q_to_b(rbp, buf, ITEBURST); 611 } splx(s); 612 613 /* Here is a really good place to implement pre/jumpscroll() */ 614 ite_putstr((char *)buf, len, tp->t_dev); 615 616 s = spltty(); { 617 tp->t_state &= ~TS_BUSY; 618 /* we have characters remaining. */ 619 if (ttypull(tp)) { 620 tp->t_state |= TS_TIMEOUT; 621 callout_schedule(&tp->t_rstrt_ch, 1); 622 } 623 out: ; 624 } splx(s); 625 } 626 627 void 628 ite_on(dev_t dev, int flag) 629 { 630 struct ite_softc *sc; 631 sc = getitesp(dev); 632 633 /* force ite active, overriding graphics mode */ 634 if (flag & 1) { 635 sc->flags |= ITE_ACTIVE; 636 sc->flags &= ~(ITE_INGRF | ITE_INITED); 637 } 638 /* leave graphics mode */ 639 if (flag & 2) { 640 sc->flags &= ~ITE_INGRF; 641 if ((sc->flags & ITE_ACTIVE) == 0) 642 return; 643 } 644 sc->flags |= ITE_ACTIVE; 645 if (sc->flags & ITE_INGRF) 646 return; 647 iteinit(dev); 648 } 649 650 void 651 ite_off(dev_t dev, int flag) 652 { 653 struct ite_softc *sc; 654 655 sc = getitesp(dev); 656 if (flag & 2) 657 sc->flags |= ITE_INGRF; 658 if ((sc->flags & ITE_ACTIVE) == 0) 659 return; 660 if ((flag & 1) || 661 (sc->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 662 SUBR_DEINIT(sc); 663 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */ 664 sc->flags &= ~ITE_ACTIVE; 665 } 666 667 static void 668 ite_switch(int unit) 669 { 670 struct ite_softc *sc; 671 extern const struct cdevsw view_cdevsw; 672 673 sc = device_lookup_private(&ite_cd, unit); 674 if (sc == NULL || (sc->flags & (ITE_ATTACHED | ITE_INITED)) == 0) 675 return; 676 677 /* 678 * If switching to an active ite, also switch the keyboard. 679 */ 680 if (sc->flags & ITE_ACTIVE) 681 kbd_ite = sc; 682 683 /* 684 * Now make it visible 685 */ 686 (*view_cdevsw.d_ioctl)(sc->grf->g_viewdev, VIOCDISPLAY, NULL, 687 0, NOLWP); 688 689 /* 690 * Make sure the cursor's there too.... 691 */ 692 SUBR_CURSOR(sc, DRAW_CURSOR); 693 } 694 695 /* XXX called after changes made in underlying grf layer. */ 696 /* I want to nuke this */ 697 void 698 ite_reinit(dev_t dev) 699 { 700 struct ite_softc *sc; 701 702 sc = getitesp(dev); 703 sc->flags &= ~ITE_INITED; 704 iteinit(dev); 705 } 706 707 int 708 ite_param(struct tty *tp, struct termios *t) 709 { 710 tp->t_ispeed = t->c_ispeed; 711 tp->t_ospeed = t->c_ospeed; 712 tp->t_cflag = t->c_cflag; 713 return (0); 714 } 715 716 void 717 ite_reset(struct ite_softc *sc) 718 { 719 int i; 720 721 sc->curx = 0; 722 sc->cury = 0; 723 sc->attribute = ATTR_NOR; 724 sc->save_curx = 0; 725 sc->save_cury = 0; 726 sc->save_attribute = ATTR_NOR; 727 sc->ap = sc->argbuf; 728 sc->emul_level = 0; 729 sc->eightbit_C1 = 0; 730 sc->top_margin = 0; 731 sc->bottom_margin = sc->rows - 1; 732 sc->inside_margins = 0; 733 sc->linefeed_newline = 0; 734 sc->auto_wrap = ite_default_wrap; 735 sc->cursor_appmode = 0; 736 sc->keypad_appmode = 0; 737 sc->imode = 0; 738 sc->key_repeat = 1; 739 memset(sc->tabs, 0, sc->cols); 740 for (i = 0; i < sc->cols; i++) 741 sc->tabs[i] = ((i & 7) == 0); 742 } 743 744 /* 745 * has to be global because of the shared filters. 746 */ 747 static u_char last_dead; 748 749 /* 750 * Used in console at startup only and for DDB. 751 */ 752 int 753 ite_cnfilter(u_int c, enum caller caller) 754 { 755 struct key key; 756 struct kbdmap *kbdmap; 757 u_char code, up; 758 int s; 759 760 up = KBD_RELEASED(c); 761 c = KBD_SCANCODE(c); 762 code = 0; 763 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap; 764 765 s = spltty(); 766 767 /* 768 * No special action if key released 769 */ 770 if (up) { 771 splx(s); 772 return -1; 773 } 774 775 /* translate modifiers */ 776 if (kbd_modifier & KBD_MOD_SHIFT) { 777 if (kbd_modifier & KBD_MOD_ALT) 778 key = kbdmap->alt_shift_keys[c]; 779 else 780 key = kbdmap->shift_keys[c]; 781 } 782 else if (kbd_modifier & KBD_MOD_ALT) 783 key = kbdmap->alt_keys[c]; 784 else { 785 key = kbdmap->keys[c]; 786 /* 787 * If CAPS and key is CAPable (no pun intended) 788 */ 789 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 790 key = kbdmap->shift_keys[c]; 791 } 792 code = key.code; 793 794 #ifdef notyet /* LWP: Didn't have time to look at this yet */ 795 /* 796 * If string return simple console filter 797 */ 798 if (key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 799 splx(s); 800 return -1; 801 } 802 /* handle dead keys */ 803 if (key->mode & KBD_MODE_DEAD) { 804 /* if entered twice, send accent itself */ 805 if (last_dead == (key->mode & KBD_MODE_ACCMASK)) 806 last_dead = 0; 807 else { 808 last_dead = key->mode & KBD_MODE_ACCMASK; 809 splx(s); 810 return -1; 811 } 812 } 813 if (last_dead) { 814 /* can't apply dead flag to string-keys */ 815 if (code >= '@' && code < 0x7f) 816 code = 817 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 818 last_dead = 0; 819 } 820 #endif 821 if (kbd_modifier & KBD_MOD_CTRL) 822 code &= 0x1f; 823 824 /* 825 * Do console mapping. 826 */ 827 code = code == '\r' ? '\n' : code; 828 829 splx(s); 830 return (code); 831 } 832 833 /* And now the old stuff. */ 834 835 /* these are used to implement repeating keys.. */ 836 static u_int last_char; 837 static u_char tout_pending; 838 839 static callout_t repeat_ch; 840 841 /*ARGSUSED*/ 842 static void 843 repeat_handler(void *arg) 844 { 845 tout_pending = 0; 846 if (last_char) 847 add_sicallback((si_farg)ite_filter, (void *)last_char, 848 (void *)ITEFILT_REPEATER); 849 } 850 851 void 852 ite_filter(u_int c, enum caller caller) 853 { 854 struct tty *kbd_tty; 855 struct kbdmap *kbdmap; 856 u_char code, *str, up; 857 struct key key; 858 int s, i; 859 static bool again; 860 861 if (!again) { 862 /* XXX */ 863 callout_init(&repeat_ch, 0); 864 again = true; 865 } 866 867 if (kbd_ite == NULL) 868 return; 869 870 kbd_tty = kbd_ite->tp; 871 kbdmap = kbd_ite->kbdmap; 872 873 up = KBD_RELEASED(c); 874 c = KBD_SCANCODE(c); 875 code = 0; 876 877 /* have to make sure we're at spltty in here */ 878 s = spltty(); 879 880 /* 881 * keyboard interrupts come at priority 2, while softint 882 * generated keyboard-repeat interrupts come at level 1. So, 883 * to not allow a key-up event to get thru before a repeat for 884 * the key-down, we remove any outstanding callout requests.. 885 */ 886 rem_sicallback((si_farg)ite_filter); 887 888 /* 889 * Stop repeating on up event 890 */ 891 if (up) { 892 if (tout_pending) { 893 callout_stop(&repeat_ch); 894 tout_pending = 0; 895 last_char = 0; 896 } 897 splx(s); 898 return; 899 } 900 else if (tout_pending && last_char != c) { 901 /* 902 * Different character, stop also 903 */ 904 callout_stop(&repeat_ch); 905 tout_pending = 0; 906 last_char = 0; 907 } 908 909 /* 910 * Handle ite-switching ALT + Fx 911 */ 912 if ((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) { 913 ite_switch(c - 0x3b); 914 splx(s); 915 return; 916 } 917 /* 918 * Safety button, switch back to ascii keymap. 919 */ 920 if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) { 921 /* ALT + LSHIFT + F1 */ 922 memcpy(kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 923 splx(s); 924 return; 925 #ifdef DDB 926 } else if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && 927 c == 0x43) { 928 /* 929 * ALT + LSHIFT + F9 -> Debugger! 930 */ 931 Debugger(); 932 splx(s); 933 return; 934 #endif 935 } 936 937 /* 938 * The rest of the code is senseless when the device is not open. 939 */ 940 if (kbd_tty == NULL) { 941 splx(s); 942 return; 943 } 944 945 /* 946 * Translate modifiers 947 */ 948 if (kbd_modifier & KBD_MOD_SHIFT) { 949 if (kbd_modifier & KBD_MOD_ALT) 950 key = kbdmap->alt_shift_keys[c]; 951 else 952 key = kbdmap->shift_keys[c]; 953 } 954 else if (kbd_modifier & KBD_MOD_ALT) 955 key = kbdmap->alt_keys[c]; 956 else { 957 key = kbdmap->keys[c]; 958 /* 959 * If CAPS and key is CAPable (no pun intended) 960 */ 961 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 962 key = kbdmap->shift_keys[c]; 963 } 964 code = key.code; 965 966 /* 967 * Arrange to repeat the keystroke. By doing this at the level 968 * of scan-codes, we can have function keys, and keys that 969 * send strings, repeat too. This also entitles an additional 970 * overhead, since we have to do the conversion each time, but 971 * I guess that's ok. 972 */ 973 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 974 tout_pending = 1; 975 last_char = c; 976 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100, 977 repeat_handler, NULL); 978 } else if (!tout_pending && caller==ITEFILT_REPEATER && 979 kbd_ite->key_repeat) { 980 tout_pending = 1; 981 last_char = c; 982 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100, 983 repeat_handler, NULL); 984 } 985 /* handle dead keys */ 986 if (key.mode & KBD_MODE_DEAD) { 987 /* if entered twice, send accent itself */ 988 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 989 last_dead = 0; 990 else { 991 last_dead = key.mode & KBD_MODE_ACCMASK; 992 splx(s); 993 return; 994 } 995 } 996 if (last_dead) { 997 /* can't apply dead flag to string-keys */ 998 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 999 code < 0x7f) 1000 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 1001 last_dead = 0; 1002 } 1003 1004 /* 1005 * If not string, apply CTRL modifiers 1006 */ 1007 if (!(key.mode & KBD_MODE_STRING) && 1008 (!(key.mode & KBD_MODE_KPAD) || 1009 (kbd_ite && !kbd_ite->keypad_appmode))) { 1010 if (kbd_modifier & KBD_MOD_CTRL) 1011 code &= 0x1f; 1012 } else if ((key.mode & KBD_MODE_KPAD) && 1013 (kbd_ite && kbd_ite->keypad_appmode)) { 1014 static const char * const in = "0123456789-+.\r()/*"; 1015 static const char * const out = "pqrstuvwxymlnMPQRS"; 1016 char *cp = strchr(in, code); 1017 1018 /* 1019 * keypad-appmode sends SS3 followed by the above 1020 * translated character 1021 */ 1022 kbd_tty->t_linesw->l_rint(27, kbd_tty); 1023 kbd_tty->t_linesw->l_rint('O', kbd_tty); 1024 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty); 1025 splx(s); 1026 return; 1027 } else { 1028 /* *NO* I don't like this.... */ 1029 static u_char app_cursor[] = 1030 { 1031 3, 27, 'O', 'A', 1032 3, 27, 'O', 'B', 1033 3, 27, 'O', 'C', 1034 3, 27, 'O', 'D'}; 1035 1036 str = kbdmap->strings + code; 1037 /* 1038 * if this is a cursor key, AND it has the default 1039 * keymap setting, AND we're in app-cursor mode, switch 1040 * to the above table. This is *nasty* ! 1041 */ 1042 if (((c == 0x48) || (c == 0x4b) ||(c == 0x4d) || (c == 0x50)) && 1043 kbd_ite->cursor_appmode && 1044 !memcmp(str, "\x03\x1b[", 3) && 1045 strchr("ABCD", str[3])) 1046 str = app_cursor + 4 * (str[3] - 'A'); 1047 1048 /* 1049 * using a length-byte instead of 0-termination allows 1050 * to embed \0 into strings, although this is not used 1051 * in the default keymap 1052 */ 1053 for (i = *str++; i; i--) 1054 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1055 splx(s); 1056 return; 1057 } 1058 kbd_tty->t_linesw->l_rint(code, kbd_tty); 1059 1060 splx(s); 1061 return; 1062 } 1063 1064 /* helper functions, makes the code below more readable */ 1065 static inline void 1066 ite_sendstr(const char *str) 1067 { 1068 struct tty *kbd_tty; 1069 1070 kbd_tty = kbd_ite->tp; 1071 KDASSERT(kbd_tty); 1072 while (*str) 1073 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1074 } 1075 1076 static void 1077 alignment_display(struct ite_softc *sc) 1078 { 1079 int i, j; 1080 1081 for (j = 0; j < sc->rows; j++) 1082 for (i = 0; i < sc->cols; i++) 1083 SUBR_PUTC(sc, 'E', j, i, ATTR_NOR); 1084 attrclr(sc, 0, 0, sc->rows, sc->cols); 1085 SUBR_CURSOR(sc, DRAW_CURSOR); 1086 } 1087 1088 static inline void 1089 snap_cury(struct ite_softc *sc) 1090 { 1091 if (sc->inside_margins) 1092 { 1093 if (sc->cury < sc->top_margin) 1094 sc->cury = sc->top_margin; 1095 if (sc->cury > sc->bottom_margin) 1096 sc->cury = sc->bottom_margin; 1097 } 1098 } 1099 1100 static inline void 1101 ite_dnchar(struct ite_softc *sc, int n) 1102 { 1103 n = uimin(n, sc->cols - sc->curx); 1104 if (n < sc->cols - sc->curx) 1105 { 1106 SUBR_SCROLL(sc, sc->cury, sc->curx + n, n, SCROLL_LEFT); 1107 attrmov(sc, sc->cury, sc->curx + n, sc->cury, sc->curx, 1108 1, sc->cols - sc->curx - n); 1109 attrclr(sc, sc->cury, sc->cols - n, 1, n); 1110 } 1111 while (n-- > 0) 1112 SUBR_PUTC(sc, ' ', sc->cury, sc->cols - n - 1, ATTR_NOR); 1113 SUBR_CURSOR(sc, DRAW_CURSOR); 1114 } 1115 1116 static inline void 1117 ite_inchar(struct ite_softc *sc, int n) 1118 { 1119 n = uimin(n, sc->cols - sc->curx); 1120 if (n < sc->cols - sc->curx) 1121 { 1122 SUBR_SCROLL(sc, sc->cury, sc->curx, n, SCROLL_RIGHT); 1123 attrmov(sc, sc->cury, sc->curx, sc->cury, sc->curx + n, 1124 1, sc->cols - sc->curx - n); 1125 attrclr(sc, sc->cury, sc->curx, 1, n); 1126 } 1127 while (n--) 1128 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR); 1129 SUBR_CURSOR(sc, DRAW_CURSOR); 1130 } 1131 1132 static inline void 1133 ite_clrtoeol(struct ite_softc *sc) 1134 { 1135 int y = sc->cury, x = sc->curx; 1136 if (sc->cols - x > 0) 1137 { 1138 SUBR_CLEAR(sc, y, x, 1, sc->cols - x); 1139 attrclr(sc, y, x, 1, sc->cols - x); 1140 SUBR_CURSOR(sc, DRAW_CURSOR); 1141 } 1142 } 1143 1144 static inline void 1145 ite_clrtobol(struct ite_softc *sc) 1146 { 1147 int y = sc->cury, x = uimin(sc->curx + 1, sc->cols); 1148 SUBR_CLEAR(sc, y, 0, 1, x); 1149 attrclr(sc, y, 0, 1, x); 1150 SUBR_CURSOR(sc, DRAW_CURSOR); 1151 } 1152 1153 static inline void 1154 ite_clrline(struct ite_softc *sc) 1155 { 1156 int y = sc->cury; 1157 SUBR_CLEAR(sc, y, 0, 1, sc->cols); 1158 attrclr(sc, y, 0, 1, sc->cols); 1159 SUBR_CURSOR(sc, DRAW_CURSOR); 1160 } 1161 1162 1163 1164 static inline void 1165 ite_clrtoeos(struct ite_softc *sc) 1166 { 1167 ite_clrtoeol(sc); 1168 if (sc->cury < sc->rows - 1) 1169 { 1170 SUBR_CLEAR(sc, sc->cury + 1, 0, sc->rows - 1 - sc->cury, sc->cols); 1171 attrclr(sc, sc->cury, 0, sc->rows - sc->cury, sc->cols); 1172 SUBR_CURSOR(sc, DRAW_CURSOR); 1173 } 1174 } 1175 1176 static inline void 1177 ite_clrtobos(struct ite_softc *sc) 1178 { 1179 ite_clrtobol(sc); 1180 if (sc->cury > 0) 1181 { 1182 SUBR_CLEAR(sc, 0, 0, sc->cury, sc->cols); 1183 attrclr(sc, 0, 0, sc->cury, sc->cols); 1184 SUBR_CURSOR(sc, DRAW_CURSOR); 1185 } 1186 } 1187 1188 static inline void 1189 ite_clrscreen(struct ite_softc *sc) 1190 { 1191 SUBR_CLEAR(sc, 0, 0, sc->rows, sc->cols); 1192 attrclr(sc, 0, 0, sc->rows, sc->cols); 1193 SUBR_CURSOR(sc, DRAW_CURSOR); 1194 } 1195 1196 1197 1198 static inline void 1199 ite_dnline(struct ite_softc *sc, int n) 1200 { 1201 /* interesting.. if the cursor is outside the scrolling 1202 region, this command is simply ignored.. */ 1203 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin) 1204 return; 1205 1206 n = uimin(n, sc->bottom_margin + 1 - sc->cury); 1207 if (n <= sc->bottom_margin - sc->cury) 1208 { 1209 SUBR_SCROLL(sc, sc->cury + n, 0, n, SCROLL_UP); 1210 attrmov(sc, sc->cury + n, 0, sc->cury, 0, 1211 sc->bottom_margin + 1 - sc->cury - n, sc->cols); 1212 } 1213 SUBR_CLEAR(sc, sc->bottom_margin - n + 1, 0, n, sc->cols); 1214 attrclr(sc, sc->bottom_margin - n + 1, 0, n, sc->cols); 1215 SUBR_CURSOR(sc, DRAW_CURSOR); 1216 } 1217 1218 static inline void 1219 ite_inline(struct ite_softc *sc, int n) 1220 { 1221 /* interesting.. if the cursor is outside the scrolling 1222 region, this command is simply ignored.. */ 1223 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin) 1224 return; 1225 1226 n = uimin(n, sc->bottom_margin + 1 - sc->cury); 1227 if (n <= sc->bottom_margin - sc->cury) 1228 { 1229 SUBR_SCROLL(sc, sc->cury, 0, n, SCROLL_DOWN); 1230 attrmov(sc, sc->cury, 0, sc->cury + n, 0, 1231 sc->bottom_margin + 1 - sc->cury - n, sc->cols); 1232 } 1233 SUBR_CLEAR(sc, sc->cury, 0, n, sc->cols); 1234 attrclr(sc, sc->cury, 0, n, sc->cols); 1235 SUBR_CURSOR(sc, DRAW_CURSOR); 1236 } 1237 1238 static inline void 1239 ite_lf (struct ite_softc *sc) 1240 { 1241 ++sc->cury; 1242 if ((sc->cury == sc->bottom_margin+1) || (sc->cury == sc->rows)) 1243 { 1244 sc->cury--; 1245 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP); 1246 ite_clrline(sc); 1247 } 1248 SUBR_CURSOR(sc, MOVE_CURSOR); 1249 clr_attr(sc, ATTR_INV); 1250 } 1251 1252 static inline void 1253 ite_crlf (struct ite_softc *sc) 1254 { 1255 sc->curx = 0; 1256 ite_lf (sc); 1257 } 1258 1259 static inline void 1260 ite_cr (struct ite_softc *sc) 1261 { 1262 if (sc->curx) 1263 { 1264 sc->curx = 0; 1265 SUBR_CURSOR(sc, MOVE_CURSOR); 1266 } 1267 } 1268 1269 static inline void 1270 ite_rlf (struct ite_softc *sc) 1271 { 1272 sc->cury--; 1273 if ((sc->cury < 0) || (sc->cury == sc->top_margin - 1)) 1274 { 1275 sc->cury++; 1276 SUBR_SCROLL(sc, sc->top_margin, 0, 1, SCROLL_DOWN); 1277 ite_clrline(sc); 1278 } 1279 SUBR_CURSOR(sc, MOVE_CURSOR); 1280 clr_attr(sc, ATTR_INV); 1281 } 1282 1283 static inline int 1284 atoi (const char *cp) 1285 { 1286 int n; 1287 1288 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1289 n = n * 10 + *cp - '0'; 1290 1291 return n; 1292 } 1293 1294 static inline int 1295 ite_argnum (struct ite_softc *sc) 1296 { 1297 char ch; 1298 int n; 1299 1300 /* convert argument string into number */ 1301 if (sc->ap == sc->argbuf) 1302 return 1; 1303 ch = *sc->ap; 1304 *sc->ap = 0; 1305 n = atoi (sc->argbuf); 1306 *sc->ap = ch; 1307 1308 return n; 1309 } 1310 1311 static inline int 1312 ite_zargnum (struct ite_softc *sc) 1313 { 1314 char ch; 1315 int n; 1316 1317 /* convert argument string into number */ 1318 if (sc->ap == sc->argbuf) 1319 return 0; 1320 ch = *sc->ap; 1321 *sc->ap = 0; 1322 n = atoi (sc->argbuf); 1323 *sc->ap = ch; 1324 1325 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1326 } 1327 1328 static void 1329 ite_putstr(const u_char *s, int len, dev_t dev) 1330 { 1331 struct ite_softc *sc; 1332 int i; 1333 1334 sc = getitesp(dev); 1335 1336 /* XXX avoid problems */ 1337 if ((sc->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1338 return; 1339 1340 SUBR_CURSOR(sc, START_CURSOROPT); 1341 for (i = 0; i < len; i++) 1342 if (s[i]) 1343 iteputchar(s[i], sc); 1344 SUBR_CURSOR(sc, END_CURSOROPT); 1345 } 1346 1347 1348 static void 1349 iteputchar(register int c, struct ite_softc *sc) 1350 { 1351 struct tty *kbd_tty; 1352 int n, x, y; 1353 char *cp; 1354 1355 if (kbd_ite == NULL) 1356 kbd_tty = NULL; 1357 else 1358 kbd_tty = kbd_ite->tp; 1359 1360 if (sc->escape) 1361 { 1362 switch (sc->escape) 1363 { 1364 case ESC: 1365 switch (c) 1366 { 1367 /* first 7bit equivalents for the 8bit control characters */ 1368 1369 case 'D': 1370 c = IND; 1371 sc->escape = 0; 1372 break; /* and fall into the next switch below (same for all `break') */ 1373 1374 case 'E': 1375 c = NEL; 1376 sc->escape = 0; 1377 break; 1378 1379 case 'H': 1380 c = HTS; 1381 sc->escape = 0; 1382 break; 1383 1384 case 'M': 1385 c = RI; 1386 sc->escape = 0; 1387 break; 1388 1389 case 'N': 1390 c = SS2; 1391 sc->escape = 0; 1392 break; 1393 1394 case 'O': 1395 c = SS3; 1396 sc->escape = 0; 1397 break; 1398 1399 case 'P': 1400 c = DCS; 1401 sc->escape = 0; 1402 break; 1403 1404 case '[': 1405 c = CSI; 1406 sc->escape = 0; 1407 break; 1408 1409 case '\\': 1410 c = ST; 1411 sc->escape = 0; 1412 break; 1413 1414 case ']': 1415 c = OSC; 1416 sc->escape = 0; 1417 break; 1418 1419 case '^': 1420 c = PM; 1421 sc->escape = 0; 1422 break; 1423 1424 case '_': 1425 c = APC; 1426 sc->escape = 0; 1427 break; 1428 1429 1430 /* introduces 7/8bit control */ 1431 case ' ': 1432 /* can be followed by either F or G */ 1433 sc->escape = ' '; 1434 break; 1435 1436 1437 /* a lot of character set selections, not yet used... 1438 94-character sets: */ 1439 case '(': /* G0 */ 1440 case ')': /* G1 */ 1441 sc->escape = c; 1442 return; 1443 1444 case '*': /* G2 */ 1445 case '+': /* G3 */ 1446 case 'B': /* ASCII */ 1447 case 'A': /* ISO latin 1 */ 1448 case '<': /* user preferred suplemental */ 1449 case '0': /* dec special graphics */ 1450 1451 /* 96-character sets: */ 1452 case '-': /* G1 */ 1453 case '.': /* G2 */ 1454 case '/': /* G3 */ 1455 1456 /* national character sets: */ 1457 case '4': /* dutch */ 1458 case '5': 1459 case 'C': /* finnish */ 1460 case 'R': /* french */ 1461 case 'Q': /* french canadian */ 1462 case 'K': /* german */ 1463 case 'Y': /* italian */ 1464 case '6': /* norwegian/danish */ 1465 /* note: %5 and %6 are not supported (two chars..) */ 1466 1467 sc->escape = 0; 1468 /* just ignore for now */ 1469 return; 1470 1471 1472 /* locking shift modes (as you might guess, not yet supported..) */ 1473 case '`': 1474 sc->GR = sc->G1; 1475 sc->escape = 0; 1476 return; 1477 1478 case 'n': 1479 sc->GL = sc->G2; 1480 sc->escape = 0; 1481 return; 1482 1483 case '}': 1484 sc->GR = sc->G2; 1485 sc->escape = 0; 1486 return; 1487 1488 case 'o': 1489 sc->GL = sc->G3; 1490 sc->escape = 0; 1491 return; 1492 1493 case '|': 1494 sc->GR = sc->G3; 1495 sc->escape = 0; 1496 return; 1497 1498 1499 /* font width/height control */ 1500 case '#': 1501 sc->escape = '#'; 1502 return; 1503 1504 1505 /* hard terminal reset .. */ 1506 case 'c': 1507 ite_reset (sc); 1508 SUBR_CURSOR(sc, MOVE_CURSOR); 1509 sc->escape = 0; 1510 return; 1511 1512 1513 case '7': 1514 sc->save_curx = sc->curx; 1515 sc->save_cury = sc->cury; 1516 sc->save_attribute = sc->attribute; 1517 sc->escape = 0; 1518 return; 1519 1520 case '8': 1521 sc->curx = sc->save_curx; 1522 sc->cury = sc->save_cury; 1523 sc->attribute = sc->save_attribute; 1524 SUBR_CURSOR(sc, MOVE_CURSOR); 1525 sc->escape = 0; 1526 return; 1527 1528 case '=': 1529 sc->keypad_appmode = 1; 1530 sc->escape = 0; 1531 return; 1532 1533 case '>': 1534 sc->keypad_appmode = 0; 1535 sc->escape = 0; 1536 return; 1537 1538 case 'Z': /* request ID */ 1539 if (sc->emul_level == EMUL_VT100) 1540 ite_sendstr ("\033[?61;0c"); /* XXX not clean */ 1541 else 1542 ite_sendstr ("\033[?63;0c"); /* XXX not clean */ 1543 sc->escape = 0; 1544 return; 1545 1546 /* default catch all for not recognized ESC sequences */ 1547 default: 1548 sc->escape = 0; 1549 return; 1550 } 1551 break; 1552 1553 1554 case '(': 1555 case ')': 1556 sc->escape = 0; 1557 return; 1558 1559 1560 case ' ': 1561 switch (c) 1562 { 1563 case 'F': 1564 sc->eightbit_C1 = 0; 1565 sc->escape = 0; 1566 return; 1567 1568 case 'G': 1569 sc->eightbit_C1 = 1; 1570 sc->escape = 0; 1571 return; 1572 1573 default: 1574 /* not supported */ 1575 sc->escape = 0; 1576 return; 1577 } 1578 break; 1579 1580 1581 case '#': 1582 switch (c) 1583 { 1584 case '5': 1585 /* single height, single width */ 1586 sc->escape = 0; 1587 return; 1588 1589 case '6': 1590 /* double width, single height */ 1591 sc->escape = 0; 1592 return; 1593 1594 case '3': 1595 /* top half */ 1596 sc->escape = 0; 1597 return; 1598 1599 case '4': 1600 /* bottom half */ 1601 sc->escape = 0; 1602 return; 1603 1604 case '8': 1605 /* screen alignment pattern... */ 1606 alignment_display (sc); 1607 sc->escape = 0; 1608 return; 1609 1610 default: 1611 sc->escape = 0; 1612 return; 1613 } 1614 break; 1615 1616 1617 1618 case CSI: 1619 /* the biggie... */ 1620 switch (c) 1621 { 1622 case '0': case '1': case '2': case '3': case '4': 1623 case '5': case '6': case '7': case '8': case '9': 1624 case ';': case '\"': case '$': case '>': 1625 if (sc->ap < sc->argbuf + MAX_ARGSIZE) 1626 *sc->ap++ = c; 1627 return; 1628 1629 case BS: 1630 /* you wouldn't believe such perversion is possible? 1631 it is.. BS is allowed in between cursor sequences 1632 (at least), according to vttest.. */ 1633 if (--sc->curx < 0) 1634 sc->curx = 0; 1635 else 1636 SUBR_CURSOR(sc, MOVE_CURSOR); 1637 break; 1638 1639 case 'p': 1640 *sc->ap = 0; 1641 if (! strncmp (sc->argbuf, "61\"", 3)) 1642 sc->emul_level = EMUL_VT100; 1643 else if (! strncmp (sc->argbuf, "63;1\"", 5) 1644 || ! strncmp (sc->argbuf, "62;1\"", 5)) 1645 sc->emul_level = EMUL_VT300_7; 1646 else 1647 sc->emul_level = EMUL_VT300_8; 1648 sc->escape = 0; 1649 return; 1650 1651 1652 case '?': 1653 *sc->ap = 0; 1654 sc->escape = '?'; 1655 sc->ap = sc->argbuf; 1656 return; 1657 1658 1659 case 'c': 1660 *sc->ap = 0; 1661 if (sc->argbuf[0] == '>') 1662 { 1663 ite_sendstr ("\033[>24;0;0;0c"); 1664 } 1665 else switch (ite_zargnum(sc)) 1666 { 1667 case 0: 1668 /* primary DA request, send primary DA response */ 1669 if (sc->emul_level == EMUL_VT100) 1670 ite_sendstr ("\033[?1;1c"); 1671 else 1672 ite_sendstr ("\033[?63;1c"); 1673 break; 1674 } 1675 sc->escape = 0; 1676 return; 1677 1678 case 'n': 1679 switch (ite_zargnum(sc)) 1680 { 1681 case 5: 1682 ite_sendstr ("\033[0n"); /* no malfunction */ 1683 break; 1684 case 6: 1685 /* cursor position report */ 1686 snprintf (sc->argbuf, sizeof(sc->argbuf), "\033[%d;%dR", 1687 sc->cury + 1, sc->curx + 1); 1688 ite_sendstr (sc->argbuf); 1689 break; 1690 } 1691 sc->escape = 0; 1692 return; 1693 1694 1695 case 'x': 1696 switch (ite_zargnum(sc)) 1697 { 1698 case 0: 1699 /* Fake some terminal parameters. */ 1700 ite_sendstr ("\033[2;1;1;112;112;1;0x"); 1701 break; 1702 case 1: 1703 ite_sendstr ("\033[3;1;1;112;112;1;0x"); 1704 break; 1705 } 1706 sc->escape = 0; 1707 return; 1708 1709 1710 case 'g': 1711 switch (ite_zargnum(sc)) 1712 { 1713 case 0: 1714 if (sc->curx < sc->cols) 1715 sc->tabs[sc->curx] = 0; 1716 break; 1717 case 3: 1718 for (n = 0; n < sc->cols; n++) 1719 sc->tabs[n] = 0; 1720 break; 1721 } 1722 sc->escape = 0; 1723 return; 1724 1725 1726 case 'h': case 'l': 1727 n = ite_zargnum (sc); 1728 switch (n) 1729 { 1730 case 4: 1731 sc->imode = (c == 'h'); /* insert/replace mode */ 1732 break; 1733 case 20: 1734 sc->linefeed_newline = (c == 'h'); 1735 break; 1736 } 1737 sc->escape = 0; 1738 return; 1739 1740 1741 case 'M': 1742 ite_dnline (sc, ite_argnum (sc)); 1743 sc->escape = 0; 1744 return; 1745 1746 1747 case 'L': 1748 ite_inline (sc, ite_argnum (sc)); 1749 sc->escape = 0; 1750 return; 1751 1752 1753 case 'P': 1754 ite_dnchar (sc, ite_argnum (sc)); 1755 sc->escape = 0; 1756 return; 1757 1758 1759 case '@': 1760 ite_inchar (sc, ite_argnum (sc)); 1761 sc->escape = 0; 1762 return; 1763 1764 1765 case 'G': 1766 /* this one was *not* in my vt320 manual but in 1767 a vt320 termcap entry.. who is right? 1768 It's supposed to set the horizontal cursor position. */ 1769 *sc->ap = 0; 1770 x = atoi (sc->argbuf); 1771 if (x) x--; 1772 sc->curx = uimin(x, sc->cols - 1); 1773 sc->escape = 0; 1774 SUBR_CURSOR(sc, MOVE_CURSOR); 1775 clr_attr (sc, ATTR_INV); 1776 return; 1777 1778 1779 case 'd': 1780 /* same thing here, this one's for setting the absolute 1781 vertical cursor position. Not documented... */ 1782 *sc->ap = 0; 1783 y = atoi (sc->argbuf); 1784 if (y) y--; 1785 if (sc->inside_margins) 1786 y += sc->top_margin; 1787 sc->cury = uimin(y, sc->rows - 1); 1788 sc->escape = 0; 1789 snap_cury(sc); 1790 SUBR_CURSOR(sc, MOVE_CURSOR); 1791 clr_attr (sc, ATTR_INV); 1792 return; 1793 1794 1795 case 'H': 1796 case 'f': 1797 *sc->ap = 0; 1798 y = atoi (sc->argbuf); 1799 x = 0; 1800 cp = strchr(sc->argbuf, ';'); 1801 if (cp) 1802 x = atoi (cp + 1); 1803 if (x) x--; 1804 if (y) y--; 1805 if (sc->inside_margins) 1806 y += sc->top_margin; 1807 sc->cury = uimin(y, sc->rows - 1); 1808 sc->curx = uimin(x, sc->cols - 1); 1809 sc->escape = 0; 1810 snap_cury(sc); 1811 SUBR_CURSOR(sc, MOVE_CURSOR); 1812 clr_attr (sc, ATTR_INV); 1813 return; 1814 1815 case 'A': 1816 n = ite_argnum (sc); 1817 n = sc->cury - (n ? n : 1); 1818 if (n < 0) n = 0; 1819 if (sc->inside_margins) 1820 n = uimax(sc->top_margin, n); 1821 else if (n == sc->top_margin - 1) 1822 /* allow scrolling outside region, but don't scroll out 1823 of active region without explicit CUP */ 1824 n = sc->top_margin; 1825 sc->cury = n; 1826 sc->escape = 0; 1827 SUBR_CURSOR(sc, MOVE_CURSOR); 1828 clr_attr (sc, ATTR_INV); 1829 return; 1830 1831 case 'B': 1832 n = ite_argnum (sc); 1833 n = sc->cury + (n ? n : 1); 1834 n = uimin(sc->rows - 1, n); 1835 if (sc->inside_margins) 1836 n = uimin(sc->bottom_margin, n); 1837 else if (n == sc->bottom_margin + 1) 1838 /* allow scrolling outside region, but don't scroll out 1839 of active region without explicit CUP */ 1840 n = sc->bottom_margin; 1841 sc->cury = n; 1842 sc->escape = 0; 1843 SUBR_CURSOR(sc, MOVE_CURSOR); 1844 clr_attr (sc, ATTR_INV); 1845 return; 1846 1847 case 'C': 1848 n = ite_argnum (sc); 1849 n = n ? n : 1; 1850 sc->curx = uimin(sc->curx + n, sc->cols - 1); 1851 sc->escape = 0; 1852 SUBR_CURSOR(sc, MOVE_CURSOR); 1853 clr_attr (sc, ATTR_INV); 1854 return; 1855 1856 case 'D': 1857 n = ite_argnum (sc); 1858 n = n ? n : 1; 1859 n = sc->curx - n; 1860 sc->curx = n >= 0 ? n : 0; 1861 sc->escape = 0; 1862 SUBR_CURSOR(sc, MOVE_CURSOR); 1863 clr_attr (sc, ATTR_INV); 1864 return; 1865 1866 1867 1868 1869 case 'J': 1870 *sc->ap = 0; 1871 n = ite_zargnum (sc); 1872 if (n == 0) 1873 ite_clrtoeos(sc); 1874 else if (n == 1) 1875 ite_clrtobos(sc); 1876 else if (n == 2) 1877 ite_clrscreen(sc); 1878 sc->escape = 0; 1879 return; 1880 1881 1882 case 'K': 1883 n = ite_zargnum (sc); 1884 if (n == 0) 1885 ite_clrtoeol(sc); 1886 else if (n == 1) 1887 ite_clrtobol(sc); 1888 else if (n == 2) 1889 ite_clrline(sc); 1890 sc->escape = 0; 1891 return; 1892 1893 1894 case 'X': 1895 n = ite_argnum(sc) - 1; 1896 n = uimin(n, sc->cols - 1 - sc->curx); 1897 for (; n >= 0; n--) 1898 { 1899 attrclr(sc, sc->cury, sc->curx + n, 1, 1); 1900 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR); 1901 } 1902 sc->escape = 0; 1903 return; 1904 1905 1906 case '}': case '`': 1907 /* status line control */ 1908 sc->escape = 0; 1909 return; 1910 1911 1912 case 'r': 1913 *sc->ap = 0; 1914 x = atoi (sc->argbuf); 1915 x = x ? x : 1; 1916 y = sc->rows; 1917 cp = strchr(sc->argbuf, ';'); 1918 if (cp) 1919 { 1920 y = atoi (cp + 1); 1921 y = y ? y : sc->rows; 1922 } 1923 if (y - x < 2) 1924 { 1925 /* if illegal scrolling region, reset to defaults */ 1926 x = 1; 1927 y = sc->rows; 1928 } 1929 x--; 1930 y--; 1931 sc->top_margin = uimin(x, sc->rows - 1); 1932 sc->bottom_margin = uimin(y, sc->rows - 1); 1933 if (sc->inside_margins) 1934 { 1935 sc->cury = sc->top_margin; 1936 sc->curx = 0; 1937 SUBR_CURSOR(sc, MOVE_CURSOR); 1938 } 1939 sc->escape = 0; 1940 return; 1941 1942 1943 case 'm': 1944 /* big attribute setter/resetter */ 1945 { 1946 char *chp; 1947 *sc->ap = 0; 1948 /* kludge to make CSIm work (== CSI0m) */ 1949 if (sc->ap == sc->argbuf) 1950 sc->ap++; 1951 for (chp = sc->argbuf; chp < sc->ap; ) 1952 { 1953 switch (*chp) 1954 { 1955 case 0: 1956 case '0': 1957 clr_attr (sc, ATTR_ALL); 1958 chp++; 1959 break; 1960 1961 case '1': 1962 set_attr (sc, ATTR_BOLD); 1963 chp++; 1964 break; 1965 1966 case '2': 1967 switch (chp[1]) 1968 { 1969 case '2': 1970 clr_attr (sc, ATTR_BOLD); 1971 chp += 2; 1972 break; 1973 1974 case '4': 1975 clr_attr (sc, ATTR_UL); 1976 chp += 2; 1977 break; 1978 1979 case '5': 1980 clr_attr (sc, ATTR_BLINK); 1981 chp += 2; 1982 break; 1983 1984 case '7': 1985 clr_attr (sc, ATTR_INV); 1986 chp += 2; 1987 break; 1988 1989 default: 1990 chp++; 1991 break; 1992 } 1993 break; 1994 1995 case '4': 1996 set_attr (sc, ATTR_UL); 1997 chp++; 1998 break; 1999 2000 case '5': 2001 set_attr (sc, ATTR_BLINK); 2002 chp++; 2003 break; 2004 2005 case '7': 2006 set_attr (sc, ATTR_INV); 2007 chp++; 2008 break; 2009 2010 default: 2011 chp++; 2012 break; 2013 } 2014 } 2015 2016 } 2017 sc->escape = 0; 2018 return; 2019 2020 2021 case 'u': 2022 /* DECRQTSR */ 2023 ite_sendstr ("\033P\033\\"); 2024 sc->escape = 0; 2025 return; 2026 2027 2028 2029 default: 2030 sc->escape = 0; 2031 return; 2032 } 2033 break; 2034 2035 2036 2037 case '?': /* CSI ? */ 2038 switch (c) 2039 { 2040 case '0': case '1': case '2': case '3': case '4': 2041 case '5': case '6': case '7': case '8': case '9': 2042 case ';': case '\"': case '$': 2043 /* Don't fill the last character; it's needed. */ 2044 /* XXX yeah, where ?? */ 2045 if (sc->ap < sc->argbuf + MAX_ARGSIZE - 1) 2046 *sc->ap++ = c; 2047 return; 2048 2049 2050 case 'n': 2051 *sc->ap = 0; 2052 if (sc->ap == &sc->argbuf[2]) 2053 { 2054 if (! strncmp (sc->argbuf, "15", 2)) 2055 /* printer status: no printer */ 2056 ite_sendstr ("\033[13n"); 2057 2058 else if (! strncmp (sc->argbuf, "25", 2)) 2059 /* udk status */ 2060 ite_sendstr ("\033[20n"); 2061 2062 else if (! strncmp (sc->argbuf, "26", 2)) 2063 /* keyboard dialect: US */ 2064 ite_sendstr ("\033[27;1n"); 2065 } 2066 sc->escape = 0; 2067 return; 2068 2069 2070 case 'h': case 'l': 2071 n = ite_zargnum (sc); 2072 switch (n) 2073 { 2074 case 1: 2075 sc->cursor_appmode = (c == 'h'); 2076 break; 2077 2078 case 3: 2079 /* 132/80 columns (132 == 'h') */ 2080 break; 2081 2082 case 4: /* smooth scroll */ 2083 break; 2084 2085 case 5: 2086 /* light background (=='h') /dark background(=='l') */ 2087 break; 2088 2089 case 6: /* origin mode */ 2090 sc->inside_margins = (c == 'h'); 2091 sc->curx = 0; 2092 sc->cury = sc->inside_margins ? sc->top_margin : 0; 2093 SUBR_CURSOR(sc, MOVE_CURSOR); 2094 break; 2095 2096 case 7: /* auto wraparound */ 2097 sc->auto_wrap = (c == 'h'); 2098 break; 2099 2100 case 8: /* keyboard repeat */ 2101 sc->key_repeat = (c == 'h'); 2102 break; 2103 2104 case 20: /* newline mode */ 2105 sc->linefeed_newline = (c == 'h'); 2106 break; 2107 2108 case 25: /* cursor on/off */ 2109 SUBR_CURSOR(sc, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR); 2110 break; 2111 } 2112 sc->escape = 0; 2113 return; 2114 2115 default: 2116 sc->escape = 0; 2117 return; 2118 } 2119 break; 2120 2121 2122 default: 2123 sc->escape = 0; 2124 return; 2125 } 2126 } 2127 2128 switch (c) { 2129 2130 case VT: /* VT is treated like LF */ 2131 case FF: /* so is FF */ 2132 case LF: 2133 /* cr->crlf distinction is done here, on output, 2134 not on input! */ 2135 if (sc->linefeed_newline) 2136 ite_crlf (sc); 2137 else 2138 ite_lf (sc); 2139 break; 2140 2141 case CR: 2142 ite_cr (sc); 2143 break; 2144 2145 case BS: 2146 if (--sc->curx < 0) 2147 sc->curx = 0; 2148 else 2149 SUBR_CURSOR(sc, MOVE_CURSOR); 2150 break; 2151 2152 case HT: 2153 for (n = sc->curx + 1; n < sc->cols; n++) { 2154 if (sc->tabs[n]) { 2155 sc->curx = n; 2156 SUBR_CURSOR(sc, MOVE_CURSOR); 2157 break; 2158 } 2159 } 2160 break; 2161 2162 case BEL: 2163 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty) 2164 kbdbell(); 2165 break; 2166 2167 case SO: 2168 sc->GL = sc->G1; 2169 break; 2170 2171 case SI: 2172 sc->GL = sc->G0; 2173 break; 2174 2175 case ENQ: 2176 /* send answer-back message !! */ 2177 break; 2178 2179 case CAN: 2180 sc->escape = 0; /* cancel any escape sequence in progress */ 2181 break; 2182 2183 case SUB: 2184 sc->escape = 0; /* dito, but see below */ 2185 /* should also display a reverse question mark!! */ 2186 break; 2187 2188 case ESC: 2189 sc->escape = ESC; 2190 break; 2191 2192 2193 /* now it gets weird.. 8bit control sequences.. */ 2194 case IND: /* index: move cursor down, scroll */ 2195 ite_lf (sc); 2196 break; 2197 2198 case NEL: /* next line. next line, first pos. */ 2199 ite_crlf (sc); 2200 break; 2201 2202 case HTS: /* set horizontal tab */ 2203 if (sc->curx < sc->cols) 2204 sc->tabs[sc->curx] = 1; 2205 break; 2206 2207 case RI: /* reverse index */ 2208 ite_rlf (sc); 2209 break; 2210 2211 case SS2: /* go into G2 for one character */ 2212 /* not yet supported */ 2213 break; 2214 2215 case SS3: /* go into G3 for one character */ 2216 break; 2217 2218 case DCS: /* device control string introducer */ 2219 sc->escape = DCS; 2220 sc->ap = sc->argbuf; 2221 break; 2222 2223 case CSI: /* control sequence introducer */ 2224 sc->escape = CSI; 2225 sc->ap = sc->argbuf; 2226 break; 2227 2228 case ST: /* string terminator */ 2229 /* ignore, if not used as terminator */ 2230 break; 2231 2232 case OSC: /* introduces OS command. Ignore everything upto ST */ 2233 sc->escape = OSC; 2234 break; 2235 2236 case PM: /* privacy message, ignore everything upto ST */ 2237 sc->escape = PM; 2238 break; 2239 2240 case APC: /* application program command, ignore everything upto ST */ 2241 sc->escape = APC; 2242 break; 2243 2244 default: 2245 if (c < ' ' || c == DEL) 2246 break; 2247 if (sc->imode) 2248 ite_inchar(sc, 1); 2249 iteprecheckwrap(sc); 2250 #ifdef DO_WEIRD_ATTRIBUTES 2251 if ((sc->attribute & ATTR_INV) || attrtest(sc, ATTR_INV)) { 2252 attrset(sc, ATTR_INV); 2253 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_INV); 2254 } 2255 else 2256 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_NOR); 2257 #else 2258 SUBR_PUTC(sc, c, sc->cury, sc->curx, sc->attribute); 2259 #endif 2260 SUBR_CURSOR(sc, DRAW_CURSOR); 2261 itecheckwrap(sc); 2262 break; 2263 } 2264 } 2265 2266 static void 2267 iteprecheckwrap(struct ite_softc *sc) 2268 { 2269 if (sc->auto_wrap && sc->curx == sc->cols) { 2270 sc->curx = 0; 2271 clr_attr(sc, ATTR_INV); 2272 if (++sc->cury >= sc->bottom_margin + 1) { 2273 sc->cury = sc->bottom_margin; 2274 SUBR_CURSOR(sc, MOVE_CURSOR); 2275 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP); 2276 ite_clrtoeol(sc); 2277 } else 2278 SUBR_CURSOR(sc, MOVE_CURSOR); 2279 } 2280 } 2281 2282 static void 2283 itecheckwrap(struct ite_softc *sc) 2284 { 2285 if (sc->curx < sc->cols) { 2286 sc->curx++; 2287 SUBR_CURSOR(sc, MOVE_CURSOR); 2288 } 2289 } 2290
Indexes created Thu Sep 25 06:09:39 GMT 2025