1 /* $NetBSD: ite.c,v 1.71 2011/06/05 16:25:12 tsutsui 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 1.71 2011/06/05 16:25:12 tsutsui 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 iteopen, iteclose, iteread, itewrite, iteioctl, 164 nostop, itetty, itepoll, nommap, ttykqfilter, D_TTY 165 }; 166 167 /* 168 * Keep track of the device number of the ite console. Only used in the 169 * itematch/iteattach functions. 170 */ 171 static int cons_ite = -1; 172 173 int 174 itematch(device_t parent, cfdata_t cf, void *aux) 175 { 176 177 /* 178 * Handle early console stuff. The first unit number 179 * is the console unit. All other early matches will fail. 180 */ 181 if (atari_realconfig == 0) { 182 if (cons_ite >= 0) 183 return 0; 184 cons_ite = cf->cf_unit; 185 return 1; 186 } 187 return 1; 188 } 189 190 void 191 iteattach(device_t parent, device_t self, void *aux) 192 { 193 struct grf_softc *gsc; 194 struct ite_softc *sc; 195 int s; 196 int maj, unit; 197 198 gsc = device_private(parent); 199 sc = device_private(self); 200 201 maj = cdevsw_lookup_major(&ite_cdevsw); 202 unit = (self != NULL) ? device_unit(self) : cons_ite; 203 gsc->g_itedev = makedev(maj, unit); 204 205 if (self != NULL) { 206 s = spltty(); 207 if (con_itesoftc.grf != NULL && 208 con_itesoftc.grf->g_unit == gsc->g_unit) { 209 /* 210 * console reinit copy params over. 211 * and console always gets keyboard 212 */ 213 memcpy(&sc->grf, &con_itesoftc.grf, 214 (char *)&sc[1] - (char *)&sc->grf); 215 con_itesoftc.grf = NULL; 216 kbd_ite = sc; 217 } 218 sc->grf = gsc; 219 splx(s); 220 221 iteinit(gsc->g_itedev); 222 printf(": %dx%d", sc->rows, sc->cols); 223 printf(" repeat at (%d/100)s next at (%d/100)s", 224 start_repeat_timeo, next_repeat_timeo); 225 226 if (kbd_ite == NULL) 227 kbd_ite = sc; 228 if (kbd_ite == sc) 229 printf(" has keyboard"); 230 printf("\n"); 231 sc->flags |= ITE_ATTACHED; 232 } else { 233 if (con_itesoftc.grf != NULL && 234 con_itesoftc.grf->g_conpri > gsc->g_conpri) 235 return; 236 con_itesoftc.grf = gsc; 237 con_itesoftc.tabs = cons_tabs; 238 } 239 } 240 241 static struct ite_softc * 242 getitesp(dev_t dev) 243 { 244 245 if (atari_realconfig && (con_itesoftc.grf == NULL)) 246 return(device_lookup_private(&ite_cd, ITEUNIT(dev))); 247 248 if (con_itesoftc.grf == NULL) 249 panic("no ite_softc for console"); 250 return(&con_itesoftc); 251 } 252 253 /* 254 * cons.c entry points into ite device. 255 */ 256 257 /* 258 * Return a priority in consdev->cn_pri field highest wins. This function 259 * is called before any devices have been probed. 260 */ 261 void 262 itecnprobe(struct consdev *cd) 263 { 264 /* 265 * return priority of the best ite (already picked from attach) 266 * or CN_DEAD. 267 */ 268 if (con_itesoftc.grf == NULL) 269 cd->cn_pri = CN_DEAD; 270 else { 271 cd->cn_pri = con_itesoftc.grf->g_conpri; 272 cd->cn_dev = con_itesoftc.grf->g_itedev; 273 } 274 } 275 276 void 277 itecninit(struct consdev *cd) 278 { 279 struct ite_softc *sc; 280 281 sc = getitesp(cd->cn_dev); 282 sc->flags |= ITE_ISCONS; 283 iteinit(cd->cn_dev); 284 sc->flags |= ITE_ACTIVE | ITE_ISCONS; 285 } 286 287 /* 288 * ite_cnfinish() is called in ite_init() when the device is 289 * being probed in the normal fasion, thus we can finish setting 290 * up this ite now that the system is more functional. 291 */ 292 void 293 ite_cnfinish(struct ite_softc *sc) 294 { 295 static int done; 296 297 if (done) 298 return; 299 done = 1; 300 } 301 302 int 303 itecngetc(dev_t dev) 304 { 305 int c; 306 307 do { 308 c = kbdgetcn(); 309 c = ite_cnfilter(c, ITEFILT_CONSOLE); 310 } while (c == -1); 311 return (c); 312 } 313 314 void 315 itecnputc(dev_t dev, int c) 316 { 317 static int paniced; 318 struct ite_softc *sc; 319 char ch; 320 321 sc = getitesp(dev); 322 ch = c; 323 324 if (panicstr && !paniced && 325 (sc->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 326 ite_on(dev, 3); 327 paniced = 1; 328 } 329 SUBR_CURSOR(sc, START_CURSOROPT); 330 iteputchar(ch, sc); 331 SUBR_CURSOR(sc, END_CURSOROPT); 332 } 333 334 /* 335 * standard entry points to the device. 336 */ 337 338 /* 339 * iteinit() is the standard entry point for initialization of 340 * an ite device, it is also called from itecninit(). 341 * 342 */ 343 void 344 iteinit(dev_t dev) 345 { 346 struct ite_softc *sc; 347 348 sc = getitesp(dev); 349 if (sc->flags & ITE_INITED) 350 return; 351 if (atari_realconfig) { 352 if (sc->kbdmap && sc->kbdmap != &ascii_kbdmap) 353 free(sc->kbdmap, M_DEVBUF); 354 sc->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK); 355 memcpy(sc->kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 356 } 357 else 358 sc->kbdmap = &ascii_kbdmap; 359 360 sc->cursorx = 0; 361 sc->cursory = 0; 362 SUBR_INIT(sc); 363 SUBR_CURSOR(sc, DRAW_CURSOR); 364 if (sc->tabs == NULL) 365 sc->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 366 ite_reset(sc); 367 sc->flags |= ITE_INITED; 368 } 369 370 int 371 iteopen(dev_t dev, int mode, int devtype, struct lwp *l) 372 { 373 struct ite_softc *sc; 374 struct tty *tp; 375 int error, first, unit; 376 377 unit = ITEUNIT(dev); 378 if (unit >= ite_cd.cd_ndevs) 379 return ENXIO; 380 381 first = 0; 382 sc = getitesp(dev); 383 if (sc == NULL) 384 return ENXIO; 385 if ((sc->flags & ITE_ATTACHED) == 0) 386 return (ENXIO); 387 388 if (sc->tp == NULL) { 389 tp = sc->tp = tty_alloc(); 390 tty_attach(tp); 391 } 392 else 393 tp = sc->tp; 394 395 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) 396 return (EBUSY); 397 398 if ((sc->flags & ITE_ACTIVE) == 0) { 399 ite_on(dev, 0); 400 first = 1; 401 } 402 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) { 403 tp->t_oproc = itestart; 404 tp->t_param = ite_param; 405 tp->t_dev = dev; 406 tp->t_iflag = TTYDEF_IFLAG; 407 tp->t_oflag = TTYDEF_OFLAG; 408 tp->t_cflag = TTYDEF_CFLAG; 409 tp->t_lflag = TTYDEF_LFLAG; 410 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 411 tp->t_state = TS_CARR_ON; 412 ttychars(tp); 413 ttsetwater(tp); 414 } 415 416 417 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0); 418 if (error) 419 goto bad; 420 421 error = (*tp->t_linesw->l_open) (dev, tp); 422 if (error) 423 goto bad; 424 425 tp->t_winsize.ws_row = sc->rows; 426 tp->t_winsize.ws_col = sc->cols; 427 if (!kbd_init) { 428 kbd_init = 1; 429 kbdenable(); 430 } 431 return (0); 432 433 434 bad: 435 if (first) 436 ite_off(dev, 0); 437 438 return (error); 439 } 440 441 int 442 iteclose(dev_t dev, int flag, int mode, struct lwp *l) 443 { 444 struct tty *tp; 445 446 tp = getitesp(dev)->tp; 447 448 KDASSERT(tp); 449 (*tp->t_linesw->l_close) (tp, flag); 450 ttyclose(tp); 451 ite_off(dev, 0); 452 return (0); 453 } 454 455 int 456 iteread(dev_t dev, struct uio *uio, int flag) 457 { 458 struct tty *tp; 459 460 tp = getitesp(dev)->tp; 461 462 KDASSERT(tp); 463 return ((*tp->t_linesw->l_read) (tp, uio, flag)); 464 } 465 466 int 467 itewrite(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_write) (tp, uio, flag)); 475 } 476 477 int 478 itepoll(dev_t dev, int events, struct lwp *l) 479 { 480 struct tty *tp; 481 482 tp = getitesp(dev)->tp; 483 484 KDASSERT(tp); 485 return ((*tp->t_linesw->l_poll)(tp, events, l)); 486 } 487 488 struct tty * 489 itetty(dev_t dev) 490 { 491 return(getitesp(dev)->tp); 492 } 493 494 int 495 iteioctl(dev_t dev, u_long cmd, void * addr, int flag, struct lwp *l) 496 { 497 struct iterepeat *irp; 498 struct ite_softc *sc; 499 struct tty *tp; 500 view_t *view; 501 struct itewinsize *is; 502 struct itebell *ib; 503 int error; 504 505 sc = getitesp(dev); 506 tp = sc->tp; 507 view = viewview(sc->grf->g_viewdev); 508 509 KDASSERT(tp); 510 511 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, l); 512 if (error != EPASSTHROUGH) 513 return (error); 514 515 error = ttioctl(tp, cmd, addr, flag, l); 516 if (error != EPASSTHROUGH) 517 return (error); 518 519 switch (cmd) { 520 case ITEIOCSKMAP: 521 if (addr == NULL) 522 return(EFAULT); 523 memcpy(sc->kbdmap, addr, sizeof(struct kbdmap)); 524 return 0; 525 case ITEIOCSSKMAP: 526 if (addr == NULL) 527 return(EFAULT); 528 memcpy(&ascii_kbdmap, addr, sizeof(struct kbdmap)); 529 return 0; 530 case ITEIOCGKMAP: 531 if (addr == NULL) 532 return(EFAULT); 533 memcpy(addr, sc->kbdmap, sizeof(struct kbdmap)); 534 return 0; 535 case ITEIOCGREPT: 536 if (addr == NULL) 537 return(EFAULT); 538 irp = (struct iterepeat *)addr; 539 irp->start = start_repeat_timeo; 540 irp->next = next_repeat_timeo; 541 return 0; 542 case ITEIOCSREPT: 543 if (addr == NULL) 544 return(EFAULT); 545 irp = (struct iterepeat *)addr; 546 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT) 547 return(EINVAL); 548 start_repeat_timeo = irp->start; 549 next_repeat_timeo = irp->next; 550 return 0; 551 case ITEIOCGWINSZ: 552 if (addr == NULL) 553 return(EFAULT); 554 is = (struct itewinsize *)addr; 555 is->x = view->display.x; 556 is->y = view->display.y; 557 is->width = view->display.width; 558 is->height = view->display.height; 559 is->depth = view->bitmap->depth; 560 return 0; 561 case ITEIOCDSPWIN: 562 sc->grf->g_mode(sc->grf, GM_GRFON, NULL, 0, 0); 563 return 0; 564 case ITEIOCREMWIN: 565 sc->grf->g_mode(sc->grf, GM_GRFOFF, NULL, 0, 0); 566 return 0; 567 case ITEIOCSBELL: 568 if (addr == NULL) 569 return(EFAULT); 570 ib = (struct itebell *)addr; 571 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec); 572 return 0; 573 case ITEIOCGBELL: 574 if (addr == NULL) 575 return(EFAULT); 576 ib = (struct itebell *)addr; 577 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec); 578 return 0; 579 } 580 return (sc->itexx_ioctl)(sc, cmd, addr, flag, l); 581 } 582 583 void 584 itestart(struct tty *tp) 585 { 586 struct clist *rbp; 587 struct ite_softc *sc; 588 u_char buf[ITEBURST]; 589 int s, len; 590 591 sc = getitesp(tp->t_dev); 592 593 KDASSERT(tp); 594 595 s = spltty(); { 596 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 597 goto out; 598 599 tp->t_state |= TS_BUSY; 600 rbp = &tp->t_outq; 601 602 len = q_to_b(rbp, buf, ITEBURST); 603 } splx(s); 604 605 /* Here is a really good place to implement pre/jumpscroll() */ 606 ite_putstr((char *)buf, len, tp->t_dev); 607 608 s = spltty(); { 609 tp->t_state &= ~TS_BUSY; 610 /* we have characters remaining. */ 611 if (ttypull(tp)) { 612 tp->t_state |= TS_TIMEOUT; 613 callout_schedule(&tp->t_rstrt_ch, 1); 614 } 615 out: ; 616 } splx(s); 617 } 618 619 void 620 ite_on(dev_t dev, int flag) 621 { 622 struct ite_softc *sc; 623 int unit; 624 625 unit = ITEUNIT(dev); 626 sc = getitesp(dev); 627 628 /* force ite active, overriding graphics mode */ 629 if (flag & 1) { 630 sc->flags |= ITE_ACTIVE; 631 sc->flags &= ~(ITE_INGRF | ITE_INITED); 632 } 633 /* leave graphics mode */ 634 if (flag & 2) { 635 sc->flags &= ~ITE_INGRF; 636 if ((sc->flags & ITE_ACTIVE) == 0) 637 return; 638 } 639 sc->flags |= ITE_ACTIVE; 640 if (sc->flags & ITE_INGRF) 641 return; 642 iteinit(dev); 643 } 644 645 void 646 ite_off(dev_t dev, int flag) 647 { 648 struct ite_softc *sc; 649 650 sc = getitesp(dev); 651 if (flag & 2) 652 sc->flags |= ITE_INGRF; 653 if ((sc->flags & ITE_ACTIVE) == 0) 654 return; 655 if ((flag & 1) || 656 (sc->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 657 SUBR_DEINIT(sc); 658 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */ 659 sc->flags &= ~ITE_ACTIVE; 660 } 661 662 static void 663 ite_switch(int unit) 664 { 665 struct ite_softc *sc; 666 extern const struct cdevsw view_cdevsw; 667 668 sc = getitesp(unit); 669 if ((sc->flags & (ITE_ATTACHED | ITE_INITED)) == 0) 670 return; 671 672 /* 673 * If switching to an active ite, also switch the keyboard. 674 */ 675 if (sc->flags & ITE_ACTIVE) 676 kbd_ite = sc; 677 678 /* 679 * Now make it visible 680 */ 681 (*view_cdevsw.d_ioctl)(sc->grf->g_viewdev, VIOCDISPLAY, NULL, 682 0, NOLWP); 683 684 /* 685 * Make sure the cursor's there too.... 686 */ 687 SUBR_CURSOR(sc, DRAW_CURSOR); 688 } 689 690 /* XXX called after changes made in underlying grf layer. */ 691 /* I want to nuke this */ 692 void 693 ite_reinit(dev_t dev) 694 { 695 struct ite_softc *sc; 696 697 sc = getitesp(dev); 698 sc->flags &= ~ITE_INITED; 699 iteinit(dev); 700 } 701 702 int 703 ite_param(struct tty *tp, struct termios *t) 704 { 705 tp->t_ispeed = t->c_ispeed; 706 tp->t_ospeed = t->c_ospeed; 707 tp->t_cflag = t->c_cflag; 708 return (0); 709 } 710 711 void 712 ite_reset(struct ite_softc *sc) 713 { 714 int i; 715 716 sc->curx = 0; 717 sc->cury = 0; 718 sc->attribute = ATTR_NOR; 719 sc->save_curx = 0; 720 sc->save_cury = 0; 721 sc->save_attribute = ATTR_NOR; 722 sc->ap = sc->argbuf; 723 sc->emul_level = 0; 724 sc->eightbit_C1 = 0; 725 sc->top_margin = 0; 726 sc->bottom_margin = sc->rows - 1; 727 sc->inside_margins = 0; 728 sc->linefeed_newline = 0; 729 sc->auto_wrap = ite_default_wrap; 730 sc->cursor_appmode = 0; 731 sc->keypad_appmode = 0; 732 sc->imode = 0; 733 sc->key_repeat = 1; 734 memset(sc->tabs, 0, sc->cols); 735 for (i = 0; i < sc->cols; i++) 736 sc->tabs[i] = ((i & 7) == 0); 737 } 738 739 /* 740 * has to be global because of the shared filters. 741 */ 742 static u_char last_dead; 743 744 /* 745 * Used in console at startup only and for DDB. 746 */ 747 int 748 ite_cnfilter(u_int c, enum caller caller) 749 { 750 struct key key; 751 struct kbdmap *kbdmap; 752 u_char code, up, mask; 753 int s; 754 755 up = KBD_RELEASED(c); 756 c = KBD_SCANCODE(c); 757 code = 0; 758 mask = 0; 759 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap; 760 761 s = spltty(); 762 763 /* 764 * No special action if key released 765 */ 766 if (up) { 767 splx(s); 768 return -1; 769 } 770 771 /* translate modifiers */ 772 if (kbd_modifier & KBD_MOD_SHIFT) { 773 if (kbd_modifier & KBD_MOD_ALT) 774 key = kbdmap->alt_shift_keys[c]; 775 else 776 key = kbdmap->shift_keys[c]; 777 } 778 else if (kbd_modifier & KBD_MOD_ALT) 779 key = kbdmap->alt_keys[c]; 780 else { 781 key = kbdmap->keys[c]; 782 /* 783 * If CAPS and key is CAPable (no pun intended) 784 */ 785 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 786 key = kbdmap->shift_keys[c]; 787 } 788 code = key.code; 789 790 #ifdef notyet /* LWP: Didn't have time to look at this yet */ 791 /* 792 * If string return simple console filter 793 */ 794 if (key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 795 splx(s); 796 return -1; 797 } 798 /* handle dead keys */ 799 if (key->mode & KBD_MODE_DEAD) { 800 /* if entered twice, send accent itself */ 801 if (last_dead == key->mode & KBD_MODE_ACCMASK) 802 last_dead = 0; 803 else { 804 last_dead = key->mode & KBD_MODE_ACCMASK; 805 splx(s); 806 return -1; 807 } 808 } 809 if (last_dead) { 810 /* can't apply dead flag to string-keys */ 811 if (code >= '@' && code < 0x7f) 812 code = 813 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 814 last_dead = 0; 815 } 816 #endif 817 if (kbd_modifier & KBD_MOD_CTRL) 818 code &= 0x1f; 819 820 /* 821 * Do console mapping. 822 */ 823 code = code == '\r' ? '\n' : code; 824 825 splx(s); 826 return (code); 827 } 828 829 /* And now the old stuff. */ 830 831 /* these are used to implement repeating keys.. */ 832 static u_int last_char; 833 static u_char tout_pending; 834 835 static callout_t repeat_ch; 836 837 /*ARGSUSED*/ 838 static void 839 repeat_handler(void *arg) 840 { 841 tout_pending = 0; 842 if (last_char) 843 add_sicallback((si_farg)ite_filter, (void *)last_char, 844 (void *)ITEFILT_REPEATER); 845 } 846 847 void 848 ite_filter(u_int c, enum caller caller) 849 { 850 struct tty *kbd_tty; 851 struct kbdmap *kbdmap; 852 u_char code, *str, up, mask; 853 struct key key; 854 int s, i; 855 static bool again; 856 857 if (!again) { 858 /* XXX */ 859 callout_init(&repeat_ch, 0); 860 again = true; 861 } 862 863 if (kbd_ite == NULL) 864 return; 865 866 kbd_tty = kbd_ite->tp; 867 kbdmap = kbd_ite->kbdmap; 868 869 up = KBD_RELEASED(c); 870 c = KBD_SCANCODE(c); 871 code = 0; 872 mask = 0; 873 874 /* have to make sure we're at spltty in here */ 875 s = spltty(); 876 877 /* 878 * keyboard interrupts come at priority 2, while softint 879 * generated keyboard-repeat interrupts come at level 1. So, 880 * to not allow a key-up event to get thru before a repeat for 881 * the key-down, we remove any outstanding callout requests.. 882 */ 883 rem_sicallback((si_farg)ite_filter); 884 885 /* 886 * Stop repeating on up event 887 */ 888 if (up) { 889 if (tout_pending) { 890 callout_stop(&repeat_ch); 891 tout_pending = 0; 892 last_char = 0; 893 } 894 splx(s); 895 return; 896 } 897 else if (tout_pending && last_char != c) { 898 /* 899 * Different character, stop also 900 */ 901 callout_stop(&repeat_ch); 902 tout_pending = 0; 903 last_char = 0; 904 } 905 906 /* 907 * Handle ite-switching ALT + Fx 908 */ 909 if ((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) { 910 ite_switch(c - 0x3b); 911 splx(s); 912 return; 913 } 914 /* 915 * Safety button, switch back to ascii keymap. 916 */ 917 if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) { 918 /* ALT + LSHIFT + F1 */ 919 memcpy(kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 920 splx(s); 921 return; 922 #ifdef DDB 923 } else if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && 924 c == 0x43) { 925 /* 926 * ALT + LSHIFT + F9 -> Debugger! 927 */ 928 Debugger(); 929 splx(s); 930 return; 931 #endif 932 } 933 934 /* 935 * The rest of the code is senseless when the device is not open. 936 */ 937 if (kbd_tty == NULL) { 938 splx(s); 939 return; 940 } 941 942 /* 943 * Translate modifiers 944 */ 945 if (kbd_modifier & KBD_MOD_SHIFT) { 946 if (kbd_modifier & KBD_MOD_ALT) 947 key = kbdmap->alt_shift_keys[c]; 948 else 949 key = kbdmap->shift_keys[c]; 950 } 951 else if (kbd_modifier & KBD_MOD_ALT) 952 key = kbdmap->alt_keys[c]; 953 else { 954 key = kbdmap->keys[c]; 955 /* 956 * If CAPS and key is CAPable (no pun intended) 957 */ 958 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 959 key = kbdmap->shift_keys[c]; 960 } 961 code = key.code; 962 963 /* 964 * Arrange to repeat the keystroke. By doing this at the level 965 * of scan-codes, we can have function keys, and keys that 966 * send strings, repeat too. This also entitles an additional 967 * overhead, since we have to do the conversion each time, but 968 * I guess that's ok. 969 */ 970 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 971 tout_pending = 1; 972 last_char = c; 973 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100, 974 repeat_handler, NULL); 975 } else if (!tout_pending && caller==ITEFILT_REPEATER && 976 kbd_ite->key_repeat) { 977 tout_pending = 1; 978 last_char = c; 979 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100, 980 repeat_handler, NULL); 981 } 982 /* handle dead keys */ 983 if (key.mode & KBD_MODE_DEAD) { 984 /* if entered twice, send accent itself */ 985 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 986 last_dead = 0; 987 else { 988 last_dead = key.mode & KBD_MODE_ACCMASK; 989 splx(s); 990 return; 991 } 992 } 993 if (last_dead) { 994 /* can't apply dead flag to string-keys */ 995 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 996 code < 0x7f) 997 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 998 last_dead = 0; 999 } 1000 1001 /* 1002 * If not string, apply CTRL modifiers 1003 */ 1004 if (!(key.mode & KBD_MODE_STRING) && 1005 (!(key.mode & KBD_MODE_KPAD) || 1006 (kbd_ite && !kbd_ite->keypad_appmode))) { 1007 if (kbd_modifier & KBD_MOD_CTRL) 1008 code &= 0x1f; 1009 } else if ((key.mode & KBD_MODE_KPAD) && 1010 (kbd_ite && kbd_ite->keypad_appmode)) { 1011 static const char * const in = "0123456789-+.\r()/*"; 1012 static const char * const out = "pqrstuvwxymlnMPQRS"; 1013 char *cp = strchr(in, code); 1014 1015 /* 1016 * keypad-appmode sends SS3 followed by the above 1017 * translated character 1018 */ 1019 kbd_tty->t_linesw->l_rint(27, kbd_tty); 1020 kbd_tty->t_linesw->l_rint('O', kbd_tty); 1021 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty); 1022 splx(s); 1023 return; 1024 } else { 1025 /* *NO* I don't like this.... */ 1026 static u_char app_cursor[] = 1027 { 1028 3, 27, 'O', 'A', 1029 3, 27, 'O', 'B', 1030 3, 27, 'O', 'C', 1031 3, 27, 'O', 'D'}; 1032 1033 str = kbdmap->strings + code; 1034 /* 1035 * if this is a cursor key, AND it has the default 1036 * keymap setting, AND we're in app-cursor mode, switch 1037 * to the above table. This is *nasty* ! 1038 */ 1039 if (((c == 0x48) || (c == 0x4b) ||(c == 0x4d) || (c == 0x50)) && 1040 kbd_ite->cursor_appmode && 1041 !memcmp(str, "\x03\x1b[", 3) && 1042 strchr("ABCD", str[3])) 1043 str = app_cursor + 4 * (str[3] - 'A'); 1044 1045 /* 1046 * using a length-byte instead of 0-termination allows 1047 * to embed \0 into strings, although this is not used 1048 * in the default keymap 1049 */ 1050 for (i = *str++; i; i--) 1051 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1052 splx(s); 1053 return; 1054 } 1055 kbd_tty->t_linesw->l_rint(code, kbd_tty); 1056 1057 splx(s); 1058 return; 1059 } 1060 1061 /* helper functions, makes the code below more readable */ 1062 static inline void 1063 ite_sendstr(const char *str) 1064 { 1065 struct tty *kbd_tty; 1066 1067 kbd_tty = kbd_ite->tp; 1068 KDASSERT(kbd_tty); 1069 while (*str) 1070 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1071 } 1072 1073 static void 1074 alignment_display(struct ite_softc *sc) 1075 { 1076 int i, j; 1077 1078 for (j = 0; j < sc->rows; j++) 1079 for (i = 0; i < sc->cols; i++) 1080 SUBR_PUTC(sc, 'E', j, i, ATTR_NOR); 1081 attrclr(sc, 0, 0, sc->rows, sc->cols); 1082 SUBR_CURSOR(sc, DRAW_CURSOR); 1083 } 1084 1085 static inline void 1086 snap_cury(struct ite_softc *sc) 1087 { 1088 if (sc->inside_margins) 1089 { 1090 if (sc->cury < sc->top_margin) 1091 sc->cury = sc->top_margin; 1092 if (sc->cury > sc->bottom_margin) 1093 sc->cury = sc->bottom_margin; 1094 } 1095 } 1096 1097 static inline void 1098 ite_dnchar(struct ite_softc *sc, int n) 1099 { 1100 n = min(n, sc->cols - sc->curx); 1101 if (n < sc->cols - sc->curx) 1102 { 1103 SUBR_SCROLL(sc, sc->cury, sc->curx + n, n, SCROLL_LEFT); 1104 attrmov(sc, sc->cury, sc->curx + n, sc->cury, sc->curx, 1105 1, sc->cols - sc->curx - n); 1106 attrclr(sc, sc->cury, sc->cols - n, 1, n); 1107 } 1108 while (n-- > 0) 1109 SUBR_PUTC(sc, ' ', sc->cury, sc->cols - n - 1, ATTR_NOR); 1110 SUBR_CURSOR(sc, DRAW_CURSOR); 1111 } 1112 1113 static inline void 1114 ite_inchar(struct ite_softc *sc, int n) 1115 { 1116 n = min(n, sc->cols - sc->curx); 1117 if (n < sc->cols - sc->curx) 1118 { 1119 SUBR_SCROLL(sc, sc->cury, sc->curx, n, SCROLL_RIGHT); 1120 attrmov(sc, sc->cury, sc->curx, sc->cury, sc->curx + n, 1121 1, sc->cols - sc->curx - n); 1122 attrclr(sc, sc->cury, sc->curx, 1, n); 1123 } 1124 while (n--) 1125 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR); 1126 SUBR_CURSOR(sc, DRAW_CURSOR); 1127 } 1128 1129 static inline void 1130 ite_clrtoeol(struct ite_softc *sc) 1131 { 1132 int y = sc->cury, x = sc->curx; 1133 if (sc->cols - x > 0) 1134 { 1135 SUBR_CLEAR(sc, y, x, 1, sc->cols - x); 1136 attrclr(sc, y, x, 1, sc->cols - x); 1137 SUBR_CURSOR(sc, DRAW_CURSOR); 1138 } 1139 } 1140 1141 static inline void 1142 ite_clrtobol(struct ite_softc *sc) 1143 { 1144 int y = sc->cury, x = min(sc->curx + 1, sc->cols); 1145 SUBR_CLEAR(sc, y, 0, 1, x); 1146 attrclr(sc, y, 0, 1, x); 1147 SUBR_CURSOR(sc, DRAW_CURSOR); 1148 } 1149 1150 static inline void 1151 ite_clrline(struct ite_softc *sc) 1152 { 1153 int y = sc->cury; 1154 SUBR_CLEAR(sc, y, 0, 1, sc->cols); 1155 attrclr(sc, y, 0, 1, sc->cols); 1156 SUBR_CURSOR(sc, DRAW_CURSOR); 1157 } 1158 1159 1160 1161 static inline void 1162 ite_clrtoeos(struct ite_softc *sc) 1163 { 1164 ite_clrtoeol(sc); 1165 if (sc->cury < sc->rows - 1) 1166 { 1167 SUBR_CLEAR(sc, sc->cury + 1, 0, sc->rows - 1 - sc->cury, sc->cols); 1168 attrclr(sc, sc->cury, 0, sc->rows - sc->cury, sc->cols); 1169 SUBR_CURSOR(sc, DRAW_CURSOR); 1170 } 1171 } 1172 1173 static inline void 1174 ite_clrtobos(struct ite_softc *sc) 1175 { 1176 ite_clrtobol(sc); 1177 if (sc->cury > 0) 1178 { 1179 SUBR_CLEAR(sc, 0, 0, sc->cury, sc->cols); 1180 attrclr(sc, 0, 0, sc->cury, sc->cols); 1181 SUBR_CURSOR(sc, DRAW_CURSOR); 1182 } 1183 } 1184 1185 static inline void 1186 ite_clrscreen(struct ite_softc *sc) 1187 { 1188 SUBR_CLEAR(sc, 0, 0, sc->rows, sc->cols); 1189 attrclr(sc, 0, 0, sc->rows, sc->cols); 1190 SUBR_CURSOR(sc, DRAW_CURSOR); 1191 } 1192 1193 1194 1195 static inline void 1196 ite_dnline(struct ite_softc *sc, int n) 1197 { 1198 /* interesting.. if the cursor is outside the scrolling 1199 region, this command is simply ignored.. */ 1200 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin) 1201 return; 1202 1203 n = min(n, sc->bottom_margin + 1 - sc->cury); 1204 if (n <= sc->bottom_margin - sc->cury) 1205 { 1206 SUBR_SCROLL(sc, sc->cury + n, 0, n, SCROLL_UP); 1207 attrmov(sc, sc->cury + n, 0, sc->cury, 0, 1208 sc->bottom_margin + 1 - sc->cury - n, sc->cols); 1209 } 1210 SUBR_CLEAR(sc, sc->bottom_margin - n + 1, 0, n, sc->cols); 1211 attrclr(sc, sc->bottom_margin - n + 1, 0, n, sc->cols); 1212 SUBR_CURSOR(sc, DRAW_CURSOR); 1213 } 1214 1215 static inline void 1216 ite_inline(struct ite_softc *sc, int n) 1217 { 1218 /* interesting.. if the cursor is outside the scrolling 1219 region, this command is simply ignored.. */ 1220 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin) 1221 return; 1222 1223 n = min(n, sc->bottom_margin + 1 - sc->cury); 1224 if (n <= sc->bottom_margin - sc->cury) 1225 { 1226 SUBR_SCROLL(sc, sc->cury, 0, n, SCROLL_DOWN); 1227 attrmov(sc, sc->cury, 0, sc->cury + n, 0, 1228 sc->bottom_margin + 1 - sc->cury - n, sc->cols); 1229 } 1230 SUBR_CLEAR(sc, sc->cury, 0, n, sc->cols); 1231 attrclr(sc, sc->cury, 0, n, sc->cols); 1232 SUBR_CURSOR(sc, DRAW_CURSOR); 1233 } 1234 1235 static inline void 1236 ite_lf (struct ite_softc *sc) 1237 { 1238 ++sc->cury; 1239 if ((sc->cury == sc->bottom_margin+1) || (sc->cury == sc->rows)) 1240 { 1241 sc->cury--; 1242 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP); 1243 ite_clrline(sc); 1244 } 1245 SUBR_CURSOR(sc, MOVE_CURSOR); 1246 clr_attr(sc, ATTR_INV); 1247 } 1248 1249 static inline void 1250 ite_crlf (struct ite_softc *sc) 1251 { 1252 sc->curx = 0; 1253 ite_lf (sc); 1254 } 1255 1256 static inline void 1257 ite_cr (struct ite_softc *sc) 1258 { 1259 if (sc->curx) 1260 { 1261 sc->curx = 0; 1262 SUBR_CURSOR(sc, MOVE_CURSOR); 1263 } 1264 } 1265 1266 static inline void 1267 ite_rlf (struct ite_softc *sc) 1268 { 1269 sc->cury--; 1270 if ((sc->cury < 0) || (sc->cury == sc->top_margin - 1)) 1271 { 1272 sc->cury++; 1273 SUBR_SCROLL(sc, sc->top_margin, 0, 1, SCROLL_DOWN); 1274 ite_clrline(sc); 1275 } 1276 SUBR_CURSOR(sc, MOVE_CURSOR); 1277 clr_attr(sc, ATTR_INV); 1278 } 1279 1280 static inline int 1281 atoi (const char *cp) 1282 { 1283 int n; 1284 1285 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1286 n = n * 10 + *cp - '0'; 1287 1288 return n; 1289 } 1290 1291 static inline int 1292 ite_argnum (struct ite_softc *sc) 1293 { 1294 char ch; 1295 int n; 1296 1297 /* convert argument string into number */ 1298 if (sc->ap == sc->argbuf) 1299 return 1; 1300 ch = *sc->ap; 1301 *sc->ap = 0; 1302 n = atoi (sc->argbuf); 1303 *sc->ap = ch; 1304 1305 return n; 1306 } 1307 1308 static inline int 1309 ite_zargnum (struct ite_softc *sc) 1310 { 1311 char ch; 1312 int n; 1313 1314 /* convert argument string into number */ 1315 if (sc->ap == sc->argbuf) 1316 return 0; 1317 ch = *sc->ap; 1318 *sc->ap = 0; 1319 n = atoi (sc->argbuf); 1320 *sc->ap = ch; 1321 1322 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1323 } 1324 1325 void 1326 ite_putstr(const u_char *s, int len, dev_t dev) 1327 { 1328 struct ite_softc *sc; 1329 int i; 1330 1331 sc = getitesp(dev); 1332 1333 /* XXX avoid problems */ 1334 if ((sc->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1335 return; 1336 1337 SUBR_CURSOR(sc, START_CURSOROPT); 1338 for (i = 0; i < len; i++) 1339 if (s[i]) 1340 iteputchar(s[i], sc); 1341 SUBR_CURSOR(sc, END_CURSOROPT); 1342 } 1343 1344 1345 void 1346 iteputchar(register int c, struct ite_softc *sc) 1347 { 1348 struct tty *kbd_tty; 1349 int n, x, y; 1350 char *cp; 1351 1352 if (kbd_ite == NULL) 1353 kbd_tty = NULL; 1354 else 1355 kbd_tty = kbd_ite->tp; 1356 1357 if (sc->escape) 1358 { 1359 switch (sc->escape) 1360 { 1361 case ESC: 1362 switch (c) 1363 { 1364 /* first 7bit equivalents for the 8bit control characters */ 1365 1366 case 'D': 1367 c = IND; 1368 sc->escape = 0; 1369 break; /* and fall into the next switch below (same for all `break') */ 1370 1371 case 'E': 1372 c = NEL; 1373 sc->escape = 0; 1374 break; 1375 1376 case 'H': 1377 c = HTS; 1378 sc->escape = 0; 1379 break; 1380 1381 case 'M': 1382 c = RI; 1383 sc->escape = 0; 1384 break; 1385 1386 case 'N': 1387 c = SS2; 1388 sc->escape = 0; 1389 break; 1390 1391 case 'O': 1392 c = SS3; 1393 sc->escape = 0; 1394 break; 1395 1396 case 'P': 1397 c = DCS; 1398 sc->escape = 0; 1399 break; 1400 1401 case '[': 1402 c = CSI; 1403 sc->escape = 0; 1404 break; 1405 1406 case '\\': 1407 c = ST; 1408 sc->escape = 0; 1409 break; 1410 1411 case ']': 1412 c = OSC; 1413 sc->escape = 0; 1414 break; 1415 1416 case '^': 1417 c = PM; 1418 sc->escape = 0; 1419 break; 1420 1421 case '_': 1422 c = APC; 1423 sc->escape = 0; 1424 break; 1425 1426 1427 /* introduces 7/8bit control */ 1428 case ' ': 1429 /* can be followed by either F or G */ 1430 sc->escape = ' '; 1431 break; 1432 1433 1434 /* a lot of character set selections, not yet used... 1435 94-character sets: */ 1436 case '(': /* G0 */ 1437 case ')': /* G1 */ 1438 sc->escape = c; 1439 return; 1440 1441 case '*': /* G2 */ 1442 case '+': /* G3 */ 1443 case 'B': /* ASCII */ 1444 case 'A': /* ISO latin 1 */ 1445 case '<': /* user preferred suplemental */ 1446 case '0': /* dec special graphics */ 1447 1448 /* 96-character sets: */ 1449 case '-': /* G1 */ 1450 case '.': /* G2 */ 1451 case '/': /* G3 */ 1452 1453 /* national character sets: */ 1454 case '4': /* dutch */ 1455 case '5': 1456 case 'C': /* finnish */ 1457 case 'R': /* french */ 1458 case 'Q': /* french canadian */ 1459 case 'K': /* german */ 1460 case 'Y': /* italian */ 1461 case '6': /* norwegian/danish */ 1462 /* note: %5 and %6 are not supported (two chars..) */ 1463 1464 sc->escape = 0; 1465 /* just ignore for now */ 1466 return; 1467 1468 1469 /* locking shift modes (as you might guess, not yet supported..) */ 1470 case '`': 1471 sc->GR = sc->G1; 1472 sc->escape = 0; 1473 return; 1474 1475 case 'n': 1476 sc->GL = sc->G2; 1477 sc->escape = 0; 1478 return; 1479 1480 case '}': 1481 sc->GR = sc->G2; 1482 sc->escape = 0; 1483 return; 1484 1485 case 'o': 1486 sc->GL = sc->G3; 1487 sc->escape = 0; 1488 return; 1489 1490 case '|': 1491 sc->GR = sc->G3; 1492 sc->escape = 0; 1493 return; 1494 1495 1496 /* font width/height control */ 1497 case '#': 1498 sc->escape = '#'; 1499 return; 1500 1501 1502 /* hard terminal reset .. */ 1503 case 'c': 1504 ite_reset (sc); 1505 SUBR_CURSOR(sc, MOVE_CURSOR); 1506 sc->escape = 0; 1507 return; 1508 1509 1510 case '7': 1511 sc->save_curx = sc->curx; 1512 sc->save_cury = sc->cury; 1513 sc->save_attribute = sc->attribute; 1514 sc->escape = 0; 1515 return; 1516 1517 case '8': 1518 sc->curx = sc->save_curx; 1519 sc->cury = sc->save_cury; 1520 sc->attribute = sc->save_attribute; 1521 SUBR_CURSOR(sc, MOVE_CURSOR); 1522 sc->escape = 0; 1523 return; 1524 1525 case '=': 1526 sc->keypad_appmode = 1; 1527 sc->escape = 0; 1528 return; 1529 1530 case '>': 1531 sc->keypad_appmode = 0; 1532 sc->escape = 0; 1533 return; 1534 1535 case 'Z': /* request ID */ 1536 if (sc->emul_level == EMUL_VT100) 1537 ite_sendstr ("\033[?61;0c"); /* XXX not clean */ 1538 else 1539 ite_sendstr ("\033[?63;0c"); /* XXX not clean */ 1540 sc->escape = 0; 1541 return; 1542 1543 /* default catch all for not recognized ESC sequences */ 1544 default: 1545 sc->escape = 0; 1546 return; 1547 } 1548 break; 1549 1550 1551 case '(': 1552 case ')': 1553 sc->escape = 0; 1554 return; 1555 1556 1557 case ' ': 1558 switch (c) 1559 { 1560 case 'F': 1561 sc->eightbit_C1 = 0; 1562 sc->escape = 0; 1563 return; 1564 1565 case 'G': 1566 sc->eightbit_C1 = 1; 1567 sc->escape = 0; 1568 return; 1569 1570 default: 1571 /* not supported */ 1572 sc->escape = 0; 1573 return; 1574 } 1575 break; 1576 1577 1578 case '#': 1579 switch (c) 1580 { 1581 case '5': 1582 /* single height, single width */ 1583 sc->escape = 0; 1584 return; 1585 1586 case '6': 1587 /* double width, single height */ 1588 sc->escape = 0; 1589 return; 1590 1591 case '3': 1592 /* top half */ 1593 sc->escape = 0; 1594 return; 1595 1596 case '4': 1597 /* bottom half */ 1598 sc->escape = 0; 1599 return; 1600 1601 case '8': 1602 /* screen alignment pattern... */ 1603 alignment_display (sc); 1604 sc->escape = 0; 1605 return; 1606 1607 default: 1608 sc->escape = 0; 1609 return; 1610 } 1611 break; 1612 1613 1614 1615 case CSI: 1616 /* the biggie... */ 1617 switch (c) 1618 { 1619 case '0': case '1': case '2': case '3': case '4': 1620 case '5': case '6': case '7': case '8': case '9': 1621 case ';': case '\"': case '$': case '>': 1622 if (sc->ap < sc->argbuf + MAX_ARGSIZE) 1623 *sc->ap++ = c; 1624 return; 1625 1626 case BS: 1627 /* you wouldn't believe such perversion is possible? 1628 it is.. BS is allowed in between cursor sequences 1629 (at least), according to vttest.. */ 1630 if (--sc->curx < 0) 1631 sc->curx = 0; 1632 else 1633 SUBR_CURSOR(sc, MOVE_CURSOR); 1634 break; 1635 1636 case 'p': 1637 *sc->ap = 0; 1638 if (! strncmp (sc->argbuf, "61\"", 3)) 1639 sc->emul_level = EMUL_VT100; 1640 else if (! strncmp (sc->argbuf, "63;1\"", 5) 1641 || ! strncmp (sc->argbuf, "62;1\"", 5)) 1642 sc->emul_level = EMUL_VT300_7; 1643 else 1644 sc->emul_level = EMUL_VT300_8; 1645 sc->escape = 0; 1646 return; 1647 1648 1649 case '?': 1650 *sc->ap = 0; 1651 sc->escape = '?'; 1652 sc->ap = sc->argbuf; 1653 return; 1654 1655 1656 case 'c': 1657 *sc->ap = 0; 1658 if (sc->argbuf[0] == '>') 1659 { 1660 ite_sendstr ("\033[>24;0;0;0c"); 1661 } 1662 else switch (ite_zargnum(sc)) 1663 { 1664 case 0: 1665 /* primary DA request, send primary DA response */ 1666 if (sc->emul_level == EMUL_VT100) 1667 ite_sendstr ("\033[?1;1c"); 1668 else 1669 ite_sendstr ("\033[?63;1c"); 1670 break; 1671 } 1672 sc->escape = 0; 1673 return; 1674 1675 case 'n': 1676 switch (ite_zargnum(sc)) 1677 { 1678 case 5: 1679 ite_sendstr ("\033[0n"); /* no malfunction */ 1680 break; 1681 case 6: 1682 /* cursor position report */ 1683 sprintf (sc->argbuf, "\033[%d;%dR", 1684 sc->cury + 1, sc->curx + 1); 1685 ite_sendstr (sc->argbuf); 1686 break; 1687 } 1688 sc->escape = 0; 1689 return; 1690 1691 1692 case 'x': 1693 switch (ite_zargnum(sc)) 1694 { 1695 case 0: 1696 /* Fake some terminal parameters. */ 1697 ite_sendstr ("\033[2;1;1;112;112;1;0x"); 1698 break; 1699 case 1: 1700 ite_sendstr ("\033[3;1;1;112;112;1;0x"); 1701 break; 1702 } 1703 sc->escape = 0; 1704 return; 1705 1706 1707 case 'g': 1708 switch (ite_zargnum(sc)) 1709 { 1710 case 0: 1711 if (sc->curx < sc->cols) 1712 sc->tabs[sc->curx] = 0; 1713 break; 1714 case 3: 1715 for (n = 0; n < sc->cols; n++) 1716 sc->tabs[n] = 0; 1717 break; 1718 } 1719 sc->escape = 0; 1720 return; 1721 1722 1723 case 'h': case 'l': 1724 n = ite_zargnum (sc); 1725 switch (n) 1726 { 1727 case 4: 1728 sc->imode = (c == 'h'); /* insert/replace mode */ 1729 break; 1730 case 20: 1731 sc->linefeed_newline = (c == 'h'); 1732 break; 1733 } 1734 sc->escape = 0; 1735 return; 1736 1737 1738 case 'M': 1739 ite_dnline (sc, ite_argnum (sc)); 1740 sc->escape = 0; 1741 return; 1742 1743 1744 case 'L': 1745 ite_inline (sc, ite_argnum (sc)); 1746 sc->escape = 0; 1747 return; 1748 1749 1750 case 'P': 1751 ite_dnchar (sc, ite_argnum (sc)); 1752 sc->escape = 0; 1753 return; 1754 1755 1756 case '@': 1757 ite_inchar (sc, ite_argnum (sc)); 1758 sc->escape = 0; 1759 return; 1760 1761 1762 case 'G': 1763 /* this one was *not* in my vt320 manual but in 1764 a vt320 termcap entry.. who is right? 1765 It's supposed to set the horizontal cursor position. */ 1766 *sc->ap = 0; 1767 x = atoi (sc->argbuf); 1768 if (x) x--; 1769 sc->curx = min(x, sc->cols - 1); 1770 sc->escape = 0; 1771 SUBR_CURSOR(sc, MOVE_CURSOR); 1772 clr_attr (sc, ATTR_INV); 1773 return; 1774 1775 1776 case 'd': 1777 /* same thing here, this one's for setting the absolute 1778 vertical cursor position. Not documented... */ 1779 *sc->ap = 0; 1780 y = atoi (sc->argbuf); 1781 if (y) y--; 1782 if (sc->inside_margins) 1783 y += sc->top_margin; 1784 sc->cury = min(y, sc->rows - 1); 1785 sc->escape = 0; 1786 snap_cury(sc); 1787 SUBR_CURSOR(sc, MOVE_CURSOR); 1788 clr_attr (sc, ATTR_INV); 1789 return; 1790 1791 1792 case 'H': 1793 case 'f': 1794 *sc->ap = 0; 1795 y = atoi (sc->argbuf); 1796 x = 0; 1797 cp = strchr(sc->argbuf, ';'); 1798 if (cp) 1799 x = atoi (cp + 1); 1800 if (x) x--; 1801 if (y) y--; 1802 if (sc->inside_margins) 1803 y += sc->top_margin; 1804 sc->cury = min(y, sc->rows - 1); 1805 sc->curx = min(x, sc->cols - 1); 1806 sc->escape = 0; 1807 snap_cury(sc); 1808 SUBR_CURSOR(sc, MOVE_CURSOR); 1809 clr_attr (sc, ATTR_INV); 1810 return; 1811 1812 case 'A': 1813 n = ite_argnum (sc); 1814 n = sc->cury - (n ? n : 1); 1815 if (n < 0) n = 0; 1816 if (sc->inside_margins) 1817 n = max(sc->top_margin, n); 1818 else if (n == sc->top_margin - 1) 1819 /* allow scrolling outside region, but don't scroll out 1820 of active region without explicit CUP */ 1821 n = sc->top_margin; 1822 sc->cury = n; 1823 sc->escape = 0; 1824 SUBR_CURSOR(sc, MOVE_CURSOR); 1825 clr_attr (sc, ATTR_INV); 1826 return; 1827 1828 case 'B': 1829 n = ite_argnum (sc); 1830 n = sc->cury + (n ? n : 1); 1831 n = min(sc->rows - 1, n); 1832 if (sc->inside_margins) 1833 n = min(sc->bottom_margin, n); 1834 else if (n == sc->bottom_margin + 1) 1835 /* allow scrolling outside region, but don't scroll out 1836 of active region without explicit CUP */ 1837 n = sc->bottom_margin; 1838 sc->cury = n; 1839 sc->escape = 0; 1840 SUBR_CURSOR(sc, MOVE_CURSOR); 1841 clr_attr (sc, ATTR_INV); 1842 return; 1843 1844 case 'C': 1845 n = ite_argnum (sc); 1846 n = n ? n : 1; 1847 sc->curx = min(sc->curx + n, sc->cols - 1); 1848 sc->escape = 0; 1849 SUBR_CURSOR(sc, MOVE_CURSOR); 1850 clr_attr (sc, ATTR_INV); 1851 return; 1852 1853 case 'D': 1854 n = ite_argnum (sc); 1855 n = n ? n : 1; 1856 n = sc->curx - n; 1857 sc->curx = n >= 0 ? n : 0; 1858 sc->escape = 0; 1859 SUBR_CURSOR(sc, MOVE_CURSOR); 1860 clr_attr (sc, ATTR_INV); 1861 return; 1862 1863 1864 1865 1866 case 'J': 1867 *sc->ap = 0; 1868 n = ite_zargnum (sc); 1869 if (n == 0) 1870 ite_clrtoeos(sc); 1871 else if (n == 1) 1872 ite_clrtobos(sc); 1873 else if (n == 2) 1874 ite_clrscreen(sc); 1875 sc->escape = 0; 1876 return; 1877 1878 1879 case 'K': 1880 n = ite_zargnum (sc); 1881 if (n == 0) 1882 ite_clrtoeol(sc); 1883 else if (n == 1) 1884 ite_clrtobol(sc); 1885 else if (n == 2) 1886 ite_clrline(sc); 1887 sc->escape = 0; 1888 return; 1889 1890 1891 case 'X': 1892 n = ite_argnum(sc) - 1; 1893 n = min(n, sc->cols - 1 - sc->curx); 1894 for (; n >= 0; n--) 1895 { 1896 attrclr(sc, sc->cury, sc->curx + n, 1, 1); 1897 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR); 1898 } 1899 sc->escape = 0; 1900 return; 1901 1902 1903 case '}': case '`': 1904 /* status line control */ 1905 sc->escape = 0; 1906 return; 1907 1908 1909 case 'r': 1910 *sc->ap = 0; 1911 x = atoi (sc->argbuf); 1912 x = x ? x : 1; 1913 y = sc->rows; 1914 cp = strchr(sc->argbuf, ';'); 1915 if (cp) 1916 { 1917 y = atoi (cp + 1); 1918 y = y ? y : sc->rows; 1919 } 1920 if (y - x < 2) 1921 { 1922 /* if illegal scrolling region, reset to defaults */ 1923 x = 1; 1924 y = sc->rows; 1925 } 1926 x--; 1927 y--; 1928 sc->top_margin = min(x, sc->rows - 1); 1929 sc->bottom_margin = min(y, sc->rows - 1); 1930 if (sc->inside_margins) 1931 { 1932 sc->cury = sc->top_margin; 1933 sc->curx = 0; 1934 SUBR_CURSOR(sc, MOVE_CURSOR); 1935 } 1936 sc->escape = 0; 1937 return; 1938 1939 1940 case 'm': 1941 /* big attribute setter/resetter */ 1942 { 1943 char *chp; 1944 *sc->ap = 0; 1945 /* kludge to make CSIm work (== CSI0m) */ 1946 if (sc->ap == sc->argbuf) 1947 sc->ap++; 1948 for (chp = sc->argbuf; chp < sc->ap; ) 1949 { 1950 switch (*chp) 1951 { 1952 case 0: 1953 case '0': 1954 clr_attr (sc, ATTR_ALL); 1955 chp++; 1956 break; 1957 1958 case '1': 1959 set_attr (sc, ATTR_BOLD); 1960 chp++; 1961 break; 1962 1963 case '2': 1964 switch (chp[1]) 1965 { 1966 case '2': 1967 clr_attr (sc, ATTR_BOLD); 1968 chp += 2; 1969 break; 1970 1971 case '4': 1972 clr_attr (sc, ATTR_UL); 1973 chp += 2; 1974 break; 1975 1976 case '5': 1977 clr_attr (sc, ATTR_BLINK); 1978 chp += 2; 1979 break; 1980 1981 case '7': 1982 clr_attr (sc, ATTR_INV); 1983 chp += 2; 1984 break; 1985 1986 default: 1987 chp++; 1988 break; 1989 } 1990 break; 1991 1992 case '4': 1993 set_attr (sc, ATTR_UL); 1994 chp++; 1995 break; 1996 1997 case '5': 1998 set_attr (sc, ATTR_BLINK); 1999 chp++; 2000 break; 2001 2002 case '7': 2003 set_attr (sc, ATTR_INV); 2004 chp++; 2005 break; 2006 2007 default: 2008 chp++; 2009 break; 2010 } 2011 } 2012 2013 } 2014 sc->escape = 0; 2015 return; 2016 2017 2018 case 'u': 2019 /* DECRQTSR */ 2020 ite_sendstr ("\033P\033\\"); 2021 sc->escape = 0; 2022 return; 2023 2024 2025 2026 default: 2027 sc->escape = 0; 2028 return; 2029 } 2030 break; 2031 2032 2033 2034 case '?': /* CSI ? */ 2035 switch (c) 2036 { 2037 case '0': case '1': case '2': case '3': case '4': 2038 case '5': case '6': case '7': case '8': case '9': 2039 case ';': case '\"': case '$': 2040 /* Don't fill the last character; it's needed. */ 2041 /* XXX yeah, where ?? */ 2042 if (sc->ap < sc->argbuf + MAX_ARGSIZE - 1) 2043 *sc->ap++ = c; 2044 return; 2045 2046 2047 case 'n': 2048 *sc->ap = 0; 2049 if (sc->ap == &sc->argbuf[2]) 2050 { 2051 if (! strncmp (sc->argbuf, "15", 2)) 2052 /* printer status: no printer */ 2053 ite_sendstr ("\033[13n"); 2054 2055 else if (! strncmp (sc->argbuf, "25", 2)) 2056 /* udk status */ 2057 ite_sendstr ("\033[20n"); 2058 2059 else if (! strncmp (sc->argbuf, "26", 2)) 2060 /* keyboard dialect: US */ 2061 ite_sendstr ("\033[27;1n"); 2062 } 2063 sc->escape = 0; 2064 return; 2065 2066 2067 case 'h': case 'l': 2068 n = ite_zargnum (sc); 2069 switch (n) 2070 { 2071 case 1: 2072 sc->cursor_appmode = (c == 'h'); 2073 break; 2074 2075 case 3: 2076 /* 132/80 columns (132 == 'h') */ 2077 break; 2078 2079 case 4: /* smooth scroll */ 2080 break; 2081 2082 case 5: 2083 /* light background (=='h') /dark background(=='l') */ 2084 break; 2085 2086 case 6: /* origin mode */ 2087 sc->inside_margins = (c == 'h'); 2088 sc->curx = 0; 2089 sc->cury = sc->inside_margins ? sc->top_margin : 0; 2090 SUBR_CURSOR(sc, MOVE_CURSOR); 2091 break; 2092 2093 case 7: /* auto wraparound */ 2094 sc->auto_wrap = (c == 'h'); 2095 break; 2096 2097 case 8: /* keyboard repeat */ 2098 sc->key_repeat = (c == 'h'); 2099 break; 2100 2101 case 20: /* newline mode */ 2102 sc->linefeed_newline = (c == 'h'); 2103 break; 2104 2105 case 25: /* cursor on/off */ 2106 SUBR_CURSOR(sc, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR); 2107 break; 2108 } 2109 sc->escape = 0; 2110 return; 2111 2112 default: 2113 sc->escape = 0; 2114 return; 2115 } 2116 break; 2117 2118 2119 default: 2120 sc->escape = 0; 2121 return; 2122 } 2123 } 2124 2125 switch (c) { 2126 2127 case VT: /* VT is treated like LF */ 2128 case FF: /* so is FF */ 2129 case LF: 2130 /* cr->crlf distinction is done here, on output, 2131 not on input! */ 2132 if (sc->linefeed_newline) 2133 ite_crlf (sc); 2134 else 2135 ite_lf (sc); 2136 break; 2137 2138 case CR: 2139 ite_cr (sc); 2140 break; 2141 2142 case BS: 2143 if (--sc->curx < 0) 2144 sc->curx = 0; 2145 else 2146 SUBR_CURSOR(sc, MOVE_CURSOR); 2147 break; 2148 2149 case HT: 2150 for (n = sc->curx + 1; n < sc->cols; n++) { 2151 if (sc->tabs[n]) { 2152 sc->curx = n; 2153 SUBR_CURSOR(sc, MOVE_CURSOR); 2154 break; 2155 } 2156 } 2157 break; 2158 2159 case BEL: 2160 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty) 2161 kbdbell(); 2162 break; 2163 2164 case SO: 2165 sc->GL = sc->G1; 2166 break; 2167 2168 case SI: 2169 sc->GL = sc->G0; 2170 break; 2171 2172 case ENQ: 2173 /* send answer-back message !! */ 2174 break; 2175 2176 case CAN: 2177 sc->escape = 0; /* cancel any escape sequence in progress */ 2178 break; 2179 2180 case SUB: 2181 sc->escape = 0; /* dito, but see below */ 2182 /* should also display a reverse question mark!! */ 2183 break; 2184 2185 case ESC: 2186 sc->escape = ESC; 2187 break; 2188 2189 2190 /* now it gets weird.. 8bit control sequences.. */ 2191 case IND: /* index: move cursor down, scroll */ 2192 ite_lf (sc); 2193 break; 2194 2195 case NEL: /* next line. next line, first pos. */ 2196 ite_crlf (sc); 2197 break; 2198 2199 case HTS: /* set horizontal tab */ 2200 if (sc->curx < sc->cols) 2201 sc->tabs[sc->curx] = 1; 2202 break; 2203 2204 case RI: /* reverse index */ 2205 ite_rlf (sc); 2206 break; 2207 2208 case SS2: /* go into G2 for one character */ 2209 /* not yet supported */ 2210 break; 2211 2212 case SS3: /* go into G3 for one character */ 2213 break; 2214 2215 case DCS: /* device control string introducer */ 2216 sc->escape = DCS; 2217 sc->ap = sc->argbuf; 2218 break; 2219 2220 case CSI: /* control sequence introducer */ 2221 sc->escape = CSI; 2222 sc->ap = sc->argbuf; 2223 break; 2224 2225 case ST: /* string terminator */ 2226 /* ignore, if not used as terminator */ 2227 break; 2228 2229 case OSC: /* introduces OS command. Ignore everything upto ST */ 2230 sc->escape = OSC; 2231 break; 2232 2233 case PM: /* privacy message, ignore everything upto ST */ 2234 sc->escape = PM; 2235 break; 2236 2237 case APC: /* application program command, ignore everything upto ST */ 2238 sc->escape = APC; 2239 break; 2240 2241 default: 2242 if (c < ' ' || c == DEL) 2243 break; 2244 if (sc->imode) 2245 ite_inchar(sc, 1); 2246 iteprecheckwrap(sc); 2247 #ifdef DO_WEIRD_ATTRIBUTES 2248 if ((sc->attribute & ATTR_INV) || attrtest(sc, ATTR_INV)) { 2249 attrset(sc, ATTR_INV); 2250 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_INV); 2251 } 2252 else 2253 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_NOR); 2254 #else 2255 SUBR_PUTC(sc, c, sc->cury, sc->curx, sc->attribute); 2256 #endif 2257 SUBR_CURSOR(sc, DRAW_CURSOR); 2258 itecheckwrap(sc); 2259 break; 2260 } 2261 } 2262 2263 static void 2264 iteprecheckwrap(struct ite_softc *sc) 2265 { 2266 if (sc->auto_wrap && sc->curx == sc->cols) { 2267 sc->curx = 0; 2268 clr_attr(sc, ATTR_INV); 2269 if (++sc->cury >= sc->bottom_margin + 1) { 2270 sc->cury = sc->bottom_margin; 2271 SUBR_CURSOR(sc, MOVE_CURSOR); 2272 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP); 2273 ite_clrtoeol(sc); 2274 } else 2275 SUBR_CURSOR(sc, MOVE_CURSOR); 2276 } 2277 } 2278 2279 static void 2280 itecheckwrap(struct ite_softc *sc) 2281 { 2282 if (sc->curx < sc->cols) { 2283 sc->curx++; 2284 SUBR_CURSOR(sc, MOVE_CURSOR); 2285 } 2286 } 2287