1 /* $NetBSD: ite.c,v 1.75 2014/03/26 18:04:33 christos 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 1.75 2014/03/26 18:04:33 christos Exp $"); 48 49 #include "opt_ddb.h" 50 51 #include <sys/param.h> 52 #include <sys/kernel.h> 53 #include <sys/conf.h> 54 #include <sys/device.h> 55 #include <sys/malloc.h> 56 #include <sys/fcntl.h> 57 #include <sys/ioctl.h> 58 #include <sys/tty.h> 59 #include <sys/termios.h> 60 #include <sys/systm.h> 61 #include <sys/callout.h> 62 #include <sys/proc.h> 63 #include <dev/cons.h> 64 #include <sys/kauth.h> 65 66 #include <machine/cpu.h> 67 68 #include <atari/atari/device.h> 69 #include <atari/dev/event_var.h> 70 #include <atari/dev/kbdmap.h> 71 #include <atari/dev/kbdvar.h> 72 #include <atari/dev/iteioctl.h> 73 #include <atari/dev/itevar.h> 74 #include <atari/dev/grfioctl.h> 75 #include <atari/dev/grfabs_reg.h> 76 #include <atari/dev/grfvar.h> 77 #include <atari/dev/viewioctl.h> 78 #include <atari/dev/viewvar.h> 79 80 #include "ioconf.h" 81 82 #define ITEUNIT(dev) (minor(dev)) 83 84 #define SUBR_INIT(sc) (sc)->grf->g_iteinit(sc) 85 #define SUBR_DEINIT(sc) (sc)->grf->g_itedeinit(sc) 86 #define SUBR_PUTC(sc,c,dy,dx,m) (sc)->grf->g_iteputc(sc,c,dy,dx,m) 87 #define SUBR_CURSOR(sc,flg) (sc)->grf->g_itecursor(sc,flg) 88 #define SUBR_CLEAR(sc,sy,sx,h,w) (sc)->grf->g_iteclear(sc,sy,sx,h,w) 89 #define SUBR_SCROLL(sc,sy,sx,cnt,dir) (sc)->grf->g_itescroll(sc,sy,sx,cnt,dir) 90 91 int start_repeat_timeo = 30; /* first repeat after x s/100 */ 92 int next_repeat_timeo = 10; /* next repeat after x s/100 */ 93 94 /* 95 * Patchable 96 */ 97 int ite_default_x = 0; /* def leftedge offset */ 98 int ite_default_y = 0; /* def topedge offset */ 99 int ite_default_width = 640; /* def width */ 100 int ite_default_depth = 1; /* def depth */ 101 int ite_default_height = 400; /* def height */ 102 int ite_default_wrap = 1; /* if you want vtxxx-nam -> binpatch */ 103 104 struct ite_softc con_itesoftc; 105 u_char cons_tabs[MAX_TABS]; 106 107 struct ite_softc *kbd_ite; 108 int kbd_init; 109 110 static inline int atoi(const char *); 111 static inline int ite_argnum(struct ite_softc *); 112 static inline int ite_zargnum(struct ite_softc *); 113 static inline void ite_cr(struct ite_softc *); 114 static inline void ite_crlf(struct ite_softc *); 115 static inline void ite_clrline(struct ite_softc *); 116 static inline void ite_clrscreen(struct ite_softc *); 117 static inline void ite_clrtobos(struct ite_softc *); 118 static inline void ite_clrtobol(struct ite_softc *); 119 static inline void ite_clrtoeol(struct ite_softc *); 120 static inline void ite_clrtoeos(struct ite_softc *); 121 static inline void ite_dnchar(struct ite_softc *, int); 122 static inline void ite_inchar(struct ite_softc *, int); 123 static inline void ite_inline(struct ite_softc *, int); 124 static inline void ite_lf(struct ite_softc *); 125 static inline void ite_dnline(struct ite_softc *, int); 126 static inline void ite_rlf(struct ite_softc *); 127 static inline void ite_sendstr(const char *); 128 static inline void snap_cury(struct ite_softc *); 129 130 static void alignment_display(struct ite_softc *); 131 static struct ite_softc *getitesp(dev_t); 132 static void itecheckwrap(struct ite_softc *); 133 static void iteprecheckwrap(struct ite_softc *); 134 static void itestart(struct tty *); 135 static void ite_switch(int); 136 static void repeat_handler(void *); 137 138 void iteputchar(int c, struct ite_softc *sc); 139 void ite_putstr(const u_char * s, int len, dev_t dev); 140 void iteattach(device_t, device_t, void *); 141 int itematch(device_t, cfdata_t, void *); 142 143 /* 144 * Console specific types. 145 */ 146 dev_type_cnprobe(itecnprobe); 147 dev_type_cninit(itecninit); 148 dev_type_cngetc(itecngetc); 149 dev_type_cnputc(itecnputc); 150 151 CFATTACH_DECL_NEW(ite, sizeof(struct ite_softc), 152 itematch, iteattach, NULL, NULL); 153 154 dev_type_open(iteopen); 155 dev_type_close(iteclose); 156 dev_type_read(iteread); 157 dev_type_write(itewrite); 158 dev_type_ioctl(iteioctl); 159 dev_type_tty(itetty); 160 dev_type_poll(itepoll); 161 162 const struct cdevsw ite_cdevsw = { 163 .d_open = iteopen, 164 .d_close = iteclose, 165 .d_read = iteread, 166 .d_write = itewrite, 167 .d_ioctl = iteioctl, 168 .d_stop = nostop, 169 .d_tty = itetty, 170 .d_poll = itepoll, 171 .d_mmap = nommap, 172 .d_kqfilter = ttykqfilter, 173 .d_flag = D_TTY 174 }; 175 176 /* 177 * Keep track of the device number of the ite console. Only used in the 178 * itematch/iteattach functions. 179 */ 180 static int cons_ite = -1; 181 182 int 183 itematch(device_t parent, cfdata_t cf, void *aux) 184 { 185 186 /* 187 * Handle early console stuff. The first unit number 188 * is the console unit. All other early matches will fail. 189 */ 190 if (atari_realconfig == 0) { 191 if (cons_ite >= 0) 192 return 0; 193 cons_ite = cf->cf_unit; 194 return 1; 195 } 196 return 1; 197 } 198 199 void 200 iteattach(device_t parent, device_t self, void *aux) 201 { 202 struct grf_softc *gsc; 203 struct ite_softc *sc; 204 int s; 205 int maj, unit; 206 207 gsc = device_private(parent); 208 sc = device_private(self); 209 210 maj = cdevsw_lookup_major(&ite_cdevsw); 211 unit = (self != NULL) ? device_unit(self) : cons_ite; 212 gsc->g_itedev = makedev(maj, unit); 213 214 if (self != NULL) { 215 s = spltty(); 216 if (con_itesoftc.grf != NULL && 217 con_itesoftc.grf->g_unit == gsc->g_unit) { 218 /* 219 * console reinit copy params over. 220 * and console always gets keyboard 221 */ 222 memcpy(&sc->grf, &con_itesoftc.grf, 223 (char *)&sc[1] - (char *)&sc->grf); 224 con_itesoftc.grf = NULL; 225 kbd_ite = sc; 226 } 227 sc->grf = gsc; 228 splx(s); 229 230 iteinit(gsc->g_itedev); 231 printf(": %dx%d", sc->rows, sc->cols); 232 printf(" repeat at (%d/100)s next at (%d/100)s", 233 start_repeat_timeo, next_repeat_timeo); 234 235 if (kbd_ite == NULL) 236 kbd_ite = sc; 237 if (kbd_ite == sc) 238 printf(" has keyboard"); 239 printf("\n"); 240 sc->flags |= ITE_ATTACHED; 241 } else { 242 if (con_itesoftc.grf != NULL && 243 con_itesoftc.grf->g_conpri > gsc->g_conpri) 244 return; 245 con_itesoftc.grf = gsc; 246 con_itesoftc.tabs = cons_tabs; 247 } 248 } 249 250 static struct ite_softc * 251 getitesp(dev_t dev) 252 { 253 254 if (atari_realconfig && (con_itesoftc.grf == NULL)) 255 return(device_lookup_private(&ite_cd, ITEUNIT(dev))); 256 257 if (con_itesoftc.grf == NULL) 258 panic("no ite_softc for console"); 259 return(&con_itesoftc); 260 } 261 262 /* 263 * cons.c entry points into ite device. 264 */ 265 266 /* 267 * Return a priority in consdev->cn_pri field highest wins. This function 268 * is called before any devices have been probed. 269 */ 270 void 271 itecnprobe(struct consdev *cd) 272 { 273 /* 274 * return priority of the best ite (already picked from attach) 275 * or CN_DEAD. 276 */ 277 if (con_itesoftc.grf == NULL) 278 cd->cn_pri = CN_DEAD; 279 else { 280 cd->cn_pri = con_itesoftc.grf->g_conpri; 281 cd->cn_dev = con_itesoftc.grf->g_itedev; 282 } 283 } 284 285 void 286 itecninit(struct consdev *cd) 287 { 288 struct ite_softc *sc; 289 290 sc = getitesp(cd->cn_dev); 291 sc->flags |= ITE_ISCONS; 292 iteinit(cd->cn_dev); 293 sc->flags |= ITE_ACTIVE | ITE_ISCONS; 294 } 295 296 /* 297 * ite_cnfinish() is called in ite_init() when the device is 298 * being probed in the normal fasion, thus we can finish setting 299 * up this ite now that the system is more functional. 300 */ 301 void 302 ite_cnfinish(struct ite_softc *sc) 303 { 304 static int done; 305 306 if (done) 307 return; 308 done = 1; 309 } 310 311 int 312 itecngetc(dev_t dev) 313 { 314 int c; 315 316 do { 317 c = kbdgetcn(); 318 c = ite_cnfilter(c, ITEFILT_CONSOLE); 319 } while (c == -1); 320 return (c); 321 } 322 323 void 324 itecnputc(dev_t dev, int c) 325 { 326 static int paniced; 327 struct ite_softc *sc; 328 char ch; 329 330 sc = getitesp(dev); 331 ch = c; 332 333 if (panicstr && !paniced && 334 (sc->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 335 ite_on(dev, 3); 336 paniced = 1; 337 } 338 SUBR_CURSOR(sc, START_CURSOROPT); 339 iteputchar(ch, sc); 340 SUBR_CURSOR(sc, END_CURSOROPT); 341 } 342 343 /* 344 * standard entry points to the device. 345 */ 346 347 /* 348 * iteinit() is the standard entry point for initialization of 349 * an ite device, it is also called from itecninit(). 350 * 351 */ 352 void 353 iteinit(dev_t dev) 354 { 355 struct ite_softc *sc; 356 357 sc = getitesp(dev); 358 if (sc->flags & ITE_INITED) 359 return; 360 if (atari_realconfig) { 361 if (sc->kbdmap && sc->kbdmap != &ascii_kbdmap) 362 free(sc->kbdmap, M_DEVBUF); 363 sc->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK); 364 memcpy(sc->kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 365 } 366 else 367 sc->kbdmap = &ascii_kbdmap; 368 369 sc->cursorx = 0; 370 sc->cursory = 0; 371 SUBR_INIT(sc); 372 SUBR_CURSOR(sc, DRAW_CURSOR); 373 if (sc->tabs == NULL) 374 sc->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 375 ite_reset(sc); 376 sc->flags |= ITE_INITED; 377 } 378 379 int 380 iteopen(dev_t dev, int mode, int devtype, struct lwp *l) 381 { 382 struct ite_softc *sc; 383 struct tty *tp; 384 int error, first, unit; 385 386 unit = ITEUNIT(dev); 387 if (unit >= ite_cd.cd_ndevs) 388 return ENXIO; 389 390 first = 0; 391 sc = getitesp(dev); 392 if (sc == NULL) 393 return ENXIO; 394 if ((sc->flags & ITE_ATTACHED) == 0) 395 return (ENXIO); 396 397 if (sc->tp == NULL) { 398 tp = sc->tp = tty_alloc(); 399 tty_attach(tp); 400 } 401 else 402 tp = sc->tp; 403 404 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) 405 return (EBUSY); 406 407 if ((sc->flags & ITE_ACTIVE) == 0) { 408 ite_on(dev, 0); 409 first = 1; 410 } 411 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) { 412 tp->t_oproc = itestart; 413 tp->t_param = ite_param; 414 tp->t_dev = dev; 415 tp->t_iflag = TTYDEF_IFLAG; 416 tp->t_oflag = TTYDEF_OFLAG; 417 tp->t_cflag = TTYDEF_CFLAG; 418 tp->t_lflag = TTYDEF_LFLAG; 419 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 420 tp->t_state = TS_CARR_ON; 421 ttychars(tp); 422 ttsetwater(tp); 423 } 424 425 426 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0); 427 if (error) 428 goto bad; 429 430 error = (*tp->t_linesw->l_open) (dev, tp); 431 if (error) 432 goto bad; 433 434 tp->t_winsize.ws_row = sc->rows; 435 tp->t_winsize.ws_col = sc->cols; 436 if (!kbd_init) { 437 kbd_init = 1; 438 kbdenable(); 439 } 440 return (0); 441 442 443 bad: 444 if (first) 445 ite_off(dev, 0); 446 447 return (error); 448 } 449 450 int 451 iteclose(dev_t dev, int flag, int mode, struct lwp *l) 452 { 453 struct tty *tp; 454 455 tp = getitesp(dev)->tp; 456 457 KDASSERT(tp); 458 (*tp->t_linesw->l_close) (tp, flag); 459 ttyclose(tp); 460 ite_off(dev, 0); 461 return (0); 462 } 463 464 int 465 iteread(dev_t dev, struct uio *uio, int flag) 466 { 467 struct tty *tp; 468 469 tp = getitesp(dev)->tp; 470 471 KDASSERT(tp); 472 return ((*tp->t_linesw->l_read) (tp, uio, flag)); 473 } 474 475 int 476 itewrite(dev_t dev, struct uio *uio, int flag) 477 { 478 struct tty *tp; 479 480 tp = getitesp(dev)->tp; 481 482 KDASSERT(tp); 483 return ((*tp->t_linesw->l_write) (tp, uio, flag)); 484 } 485 486 int 487 itepoll(dev_t dev, int events, struct lwp *l) 488 { 489 struct tty *tp; 490 491 tp = getitesp(dev)->tp; 492 493 KDASSERT(tp); 494 return ((*tp->t_linesw->l_poll)(tp, events, l)); 495 } 496 497 struct tty * 498 itetty(dev_t dev) 499 { 500 return(getitesp(dev)->tp); 501 } 502 503 int 504 iteioctl(dev_t dev, u_long cmd, void * addr, int flag, struct lwp *l) 505 { 506 struct iterepeat *irp; 507 struct ite_softc *sc; 508 struct tty *tp; 509 view_t *view; 510 struct itewinsize *is; 511 struct itebell *ib; 512 int error; 513 514 sc = getitesp(dev); 515 tp = sc->tp; 516 view = viewview(sc->grf->g_viewdev); 517 518 KDASSERT(tp); 519 520 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, l); 521 if (error != EPASSTHROUGH) 522 return (error); 523 524 error = ttioctl(tp, cmd, addr, flag, l); 525 if (error != EPASSTHROUGH) 526 return (error); 527 528 switch (cmd) { 529 case ITEIOCSKMAP: 530 if (addr == NULL) 531 return(EFAULT); 532 memcpy(sc->kbdmap, addr, sizeof(struct kbdmap)); 533 return 0; 534 case ITEIOCSSKMAP: 535 if (addr == NULL) 536 return(EFAULT); 537 memcpy(&ascii_kbdmap, addr, sizeof(struct kbdmap)); 538 return 0; 539 case ITEIOCGKMAP: 540 if (addr == NULL) 541 return(EFAULT); 542 memcpy(addr, sc->kbdmap, sizeof(struct kbdmap)); 543 return 0; 544 case ITEIOCGREPT: 545 if (addr == NULL) 546 return(EFAULT); 547 irp = (struct iterepeat *)addr; 548 irp->start = start_repeat_timeo; 549 irp->next = next_repeat_timeo; 550 return 0; 551 case ITEIOCSREPT: 552 if (addr == NULL) 553 return(EFAULT); 554 irp = (struct iterepeat *)addr; 555 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT) 556 return(EINVAL); 557 start_repeat_timeo = irp->start; 558 next_repeat_timeo = irp->next; 559 return 0; 560 case ITEIOCGWINSZ: 561 if (addr == NULL) 562 return(EFAULT); 563 is = (struct itewinsize *)addr; 564 is->x = view->display.x; 565 is->y = view->display.y; 566 is->width = view->display.width; 567 is->height = view->display.height; 568 is->depth = view->bitmap->depth; 569 return 0; 570 case ITEIOCDSPWIN: 571 sc->grf->g_mode(sc->grf, GM_GRFON, NULL, 0, 0); 572 return 0; 573 case ITEIOCREMWIN: 574 sc->grf->g_mode(sc->grf, GM_GRFOFF, NULL, 0, 0); 575 return 0; 576 case ITEIOCSBELL: 577 if (addr == NULL) 578 return(EFAULT); 579 ib = (struct itebell *)addr; 580 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec); 581 return 0; 582 case ITEIOCGBELL: 583 if (addr == NULL) 584 return(EFAULT); 585 ib = (struct itebell *)addr; 586 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec); 587 return 0; 588 } 589 return (sc->itexx_ioctl)(sc, cmd, addr, flag, l); 590 } 591 592 void 593 itestart(struct tty *tp) 594 { 595 struct clist *rbp; 596 u_char buf[ITEBURST]; 597 int s, len; 598 599 KDASSERT(tp); 600 601 s = spltty(); { 602 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 603 goto out; 604 605 tp->t_state |= TS_BUSY; 606 rbp = &tp->t_outq; 607 608 len = q_to_b(rbp, buf, ITEBURST); 609 } splx(s); 610 611 /* Here is a really good place to implement pre/jumpscroll() */ 612 ite_putstr((char *)buf, len, tp->t_dev); 613 614 s = spltty(); { 615 tp->t_state &= ~TS_BUSY; 616 /* we have characters remaining. */ 617 if (ttypull(tp)) { 618 tp->t_state |= TS_TIMEOUT; 619 callout_schedule(&tp->t_rstrt_ch, 1); 620 } 621 out: ; 622 } splx(s); 623 } 624 625 void 626 ite_on(dev_t dev, int flag) 627 { 628 struct ite_softc *sc; 629 sc = getitesp(dev); 630 631 /* force ite active, overriding graphics mode */ 632 if (flag & 1) { 633 sc->flags |= ITE_ACTIVE; 634 sc->flags &= ~(ITE_INGRF | ITE_INITED); 635 } 636 /* leave graphics mode */ 637 if (flag & 2) { 638 sc->flags &= ~ITE_INGRF; 639 if ((sc->flags & ITE_ACTIVE) == 0) 640 return; 641 } 642 sc->flags |= ITE_ACTIVE; 643 if (sc->flags & ITE_INGRF) 644 return; 645 iteinit(dev); 646 } 647 648 void 649 ite_off(dev_t dev, int flag) 650 { 651 struct ite_softc *sc; 652 653 sc = getitesp(dev); 654 if (flag & 2) 655 sc->flags |= ITE_INGRF; 656 if ((sc->flags & ITE_ACTIVE) == 0) 657 return; 658 if ((flag & 1) || 659 (sc->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 660 SUBR_DEINIT(sc); 661 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */ 662 sc->flags &= ~ITE_ACTIVE; 663 } 664 665 static void 666 ite_switch(int unit) 667 { 668 struct ite_softc *sc; 669 extern const struct cdevsw view_cdevsw; 670 671 sc = device_lookup_private(&ite_cd, unit); 672 if (sc == NULL || (sc->flags & (ITE_ATTACHED | ITE_INITED)) == 0) 673 return; 674 675 /* 676 * If switching to an active ite, also switch the keyboard. 677 */ 678 if (sc->flags & ITE_ACTIVE) 679 kbd_ite = sc; 680 681 /* 682 * Now make it visible 683 */ 684 (*view_cdevsw.d_ioctl)(sc->grf->g_viewdev, VIOCDISPLAY, NULL, 685 0, NOLWP); 686 687 /* 688 * Make sure the cursor's there too.... 689 */ 690 SUBR_CURSOR(sc, DRAW_CURSOR); 691 } 692 693 /* XXX called after changes made in underlying grf layer. */ 694 /* I want to nuke this */ 695 void 696 ite_reinit(dev_t dev) 697 { 698 struct ite_softc *sc; 699 700 sc = getitesp(dev); 701 sc->flags &= ~ITE_INITED; 702 iteinit(dev); 703 } 704 705 int 706 ite_param(struct tty *tp, struct termios *t) 707 { 708 tp->t_ispeed = t->c_ispeed; 709 tp->t_ospeed = t->c_ospeed; 710 tp->t_cflag = t->c_cflag; 711 return (0); 712 } 713 714 void 715 ite_reset(struct ite_softc *sc) 716 { 717 int i; 718 719 sc->curx = 0; 720 sc->cury = 0; 721 sc->attribute = ATTR_NOR; 722 sc->save_curx = 0; 723 sc->save_cury = 0; 724 sc->save_attribute = ATTR_NOR; 725 sc->ap = sc->argbuf; 726 sc->emul_level = 0; 727 sc->eightbit_C1 = 0; 728 sc->top_margin = 0; 729 sc->bottom_margin = sc->rows - 1; 730 sc->inside_margins = 0; 731 sc->linefeed_newline = 0; 732 sc->auto_wrap = ite_default_wrap; 733 sc->cursor_appmode = 0; 734 sc->keypad_appmode = 0; 735 sc->imode = 0; 736 sc->key_repeat = 1; 737 memset(sc->tabs, 0, sc->cols); 738 for (i = 0; i < sc->cols; i++) 739 sc->tabs[i] = ((i & 7) == 0); 740 } 741 742 /* 743 * has to be global because of the shared filters. 744 */ 745 static u_char last_dead; 746 747 /* 748 * Used in console at startup only and for DDB. 749 */ 750 int 751 ite_cnfilter(u_int c, enum caller caller) 752 { 753 struct key key; 754 struct kbdmap *kbdmap; 755 u_char code, up; 756 int s; 757 758 up = KBD_RELEASED(c); 759 c = KBD_SCANCODE(c); 760 code = 0; 761 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap; 762 763 s = spltty(); 764 765 /* 766 * No special action if key released 767 */ 768 if (up) { 769 splx(s); 770 return -1; 771 } 772 773 /* translate modifiers */ 774 if (kbd_modifier & KBD_MOD_SHIFT) { 775 if (kbd_modifier & KBD_MOD_ALT) 776 key = kbdmap->alt_shift_keys[c]; 777 else 778 key = kbdmap->shift_keys[c]; 779 } 780 else if (kbd_modifier & KBD_MOD_ALT) 781 key = kbdmap->alt_keys[c]; 782 else { 783 key = kbdmap->keys[c]; 784 /* 785 * If CAPS and key is CAPable (no pun intended) 786 */ 787 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 788 key = kbdmap->shift_keys[c]; 789 } 790 code = key.code; 791 792 #ifdef notyet /* LWP: Didn't have time to look at this yet */ 793 /* 794 * If string return simple console filter 795 */ 796 if (key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 797 splx(s); 798 return -1; 799 } 800 /* handle dead keys */ 801 if (key->mode & KBD_MODE_DEAD) { 802 /* if entered twice, send accent itself */ 803 if (last_dead == key->mode & KBD_MODE_ACCMASK) 804 last_dead = 0; 805 else { 806 last_dead = key->mode & KBD_MODE_ACCMASK; 807 splx(s); 808 return -1; 809 } 810 } 811 if (last_dead) { 812 /* can't apply dead flag to string-keys */ 813 if (code >= '@' && code < 0x7f) 814 code = 815 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 816 last_dead = 0; 817 } 818 #endif 819 if (kbd_modifier & KBD_MOD_CTRL) 820 code &= 0x1f; 821 822 /* 823 * Do console mapping. 824 */ 825 code = code == '\r' ? '\n' : code; 826 827 splx(s); 828 return (code); 829 } 830 831 /* And now the old stuff. */ 832 833 /* these are used to implement repeating keys.. */ 834 static u_int last_char; 835 static u_char tout_pending; 836 837 static callout_t repeat_ch; 838 839 /*ARGSUSED*/ 840 static void 841 repeat_handler(void *arg) 842 { 843 tout_pending = 0; 844 if (last_char) 845 add_sicallback((si_farg)ite_filter, (void *)last_char, 846 (void *)ITEFILT_REPEATER); 847 } 848 849 void 850 ite_filter(u_int c, enum caller caller) 851 { 852 struct tty *kbd_tty; 853 struct kbdmap *kbdmap; 854 u_char code, *str, up; 855 struct key key; 856 int s, i; 857 static bool again; 858 859 if (!again) { 860 /* XXX */ 861 callout_init(&repeat_ch, 0); 862 again = true; 863 } 864 865 if (kbd_ite == NULL) 866 return; 867 868 kbd_tty = kbd_ite->tp; 869 kbdmap = kbd_ite->kbdmap; 870 871 up = KBD_RELEASED(c); 872 c = KBD_SCANCODE(c); 873 code = 0; 874 875 /* have to make sure we're at spltty in here */ 876 s = spltty(); 877 878 /* 879 * keyboard interrupts come at priority 2, while softint 880 * generated keyboard-repeat interrupts come at level 1. So, 881 * to not allow a key-up event to get thru before a repeat for 882 * the key-down, we remove any outstanding callout requests.. 883 */ 884 rem_sicallback((si_farg)ite_filter); 885 886 /* 887 * Stop repeating on up event 888 */ 889 if (up) { 890 if (tout_pending) { 891 callout_stop(&repeat_ch); 892 tout_pending = 0; 893 last_char = 0; 894 } 895 splx(s); 896 return; 897 } 898 else if (tout_pending && last_char != c) { 899 /* 900 * Different character, stop also 901 */ 902 callout_stop(&repeat_ch); 903 tout_pending = 0; 904 last_char = 0; 905 } 906 907 /* 908 * Handle ite-switching ALT + Fx 909 */ 910 if ((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) { 911 ite_switch(c - 0x3b); 912 splx(s); 913 return; 914 } 915 /* 916 * Safety button, switch back to ascii keymap. 917 */ 918 if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) { 919 /* ALT + LSHIFT + F1 */ 920 memcpy(kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 921 splx(s); 922 return; 923 #ifdef DDB 924 } else if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && 925 c == 0x43) { 926 /* 927 * ALT + LSHIFT + F9 -> Debugger! 928 */ 929 Debugger(); 930 splx(s); 931 return; 932 #endif 933 } 934 935 /* 936 * The rest of the code is senseless when the device is not open. 937 */ 938 if (kbd_tty == NULL) { 939 splx(s); 940 return; 941 } 942 943 /* 944 * Translate modifiers 945 */ 946 if (kbd_modifier & KBD_MOD_SHIFT) { 947 if (kbd_modifier & KBD_MOD_ALT) 948 key = kbdmap->alt_shift_keys[c]; 949 else 950 key = kbdmap->shift_keys[c]; 951 } 952 else if (kbd_modifier & KBD_MOD_ALT) 953 key = kbdmap->alt_keys[c]; 954 else { 955 key = kbdmap->keys[c]; 956 /* 957 * If CAPS and key is CAPable (no pun intended) 958 */ 959 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 960 key = kbdmap->shift_keys[c]; 961 } 962 code = key.code; 963 964 /* 965 * Arrange to repeat the keystroke. By doing this at the level 966 * of scan-codes, we can have function keys, and keys that 967 * send strings, repeat too. This also entitles an additional 968 * overhead, since we have to do the conversion each time, but 969 * I guess that's ok. 970 */ 971 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 972 tout_pending = 1; 973 last_char = c; 974 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100, 975 repeat_handler, NULL); 976 } else if (!tout_pending && caller==ITEFILT_REPEATER && 977 kbd_ite->key_repeat) { 978 tout_pending = 1; 979 last_char = c; 980 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100, 981 repeat_handler, NULL); 982 } 983 /* handle dead keys */ 984 if (key.mode & KBD_MODE_DEAD) { 985 /* if entered twice, send accent itself */ 986 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 987 last_dead = 0; 988 else { 989 last_dead = key.mode & KBD_MODE_ACCMASK; 990 splx(s); 991 return; 992 } 993 } 994 if (last_dead) { 995 /* can't apply dead flag to string-keys */ 996 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 997 code < 0x7f) 998 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 999 last_dead = 0; 1000 } 1001 1002 /* 1003 * If not string, apply CTRL modifiers 1004 */ 1005 if (!(key.mode & KBD_MODE_STRING) && 1006 (!(key.mode & KBD_MODE_KPAD) || 1007 (kbd_ite && !kbd_ite->keypad_appmode))) { 1008 if (kbd_modifier & KBD_MOD_CTRL) 1009 code &= 0x1f; 1010 } else if ((key.mode & KBD_MODE_KPAD) && 1011 (kbd_ite && kbd_ite->keypad_appmode)) { 1012 static const char * const in = "0123456789-+.\r()/*"; 1013 static const char * const out = "pqrstuvwxymlnMPQRS"; 1014 char *cp = strchr(in, code); 1015 1016 /* 1017 * keypad-appmode sends SS3 followed by the above 1018 * translated character 1019 */ 1020 kbd_tty->t_linesw->l_rint(27, kbd_tty); 1021 kbd_tty->t_linesw->l_rint('O', kbd_tty); 1022 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty); 1023 splx(s); 1024 return; 1025 } else { 1026 /* *NO* I don't like this.... */ 1027 static u_char app_cursor[] = 1028 { 1029 3, 27, 'O', 'A', 1030 3, 27, 'O', 'B', 1031 3, 27, 'O', 'C', 1032 3, 27, 'O', 'D'}; 1033 1034 str = kbdmap->strings + code; 1035 /* 1036 * if this is a cursor key, AND it has the default 1037 * keymap setting, AND we're in app-cursor mode, switch 1038 * to the above table. This is *nasty* ! 1039 */ 1040 if (((c == 0x48) || (c == 0x4b) ||(c == 0x4d) || (c == 0x50)) && 1041 kbd_ite->cursor_appmode && 1042 !memcmp(str, "\x03\x1b[", 3) && 1043 strchr("ABCD", str[3])) 1044 str = app_cursor + 4 * (str[3] - 'A'); 1045 1046 /* 1047 * using a length-byte instead of 0-termination allows 1048 * to embed \0 into strings, although this is not used 1049 * in the default keymap 1050 */ 1051 for (i = *str++; i; i--) 1052 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1053 splx(s); 1054 return; 1055 } 1056 kbd_tty->t_linesw->l_rint(code, kbd_tty); 1057 1058 splx(s); 1059 return; 1060 } 1061 1062 /* helper functions, makes the code below more readable */ 1063 static inline void 1064 ite_sendstr(const char *str) 1065 { 1066 struct tty *kbd_tty; 1067 1068 kbd_tty = kbd_ite->tp; 1069 KDASSERT(kbd_tty); 1070 while (*str) 1071 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1072 } 1073 1074 static void 1075 alignment_display(struct ite_softc *sc) 1076 { 1077 int i, j; 1078 1079 for (j = 0; j < sc->rows; j++) 1080 for (i = 0; i < sc->cols; i++) 1081 SUBR_PUTC(sc, 'E', j, i, ATTR_NOR); 1082 attrclr(sc, 0, 0, sc->rows, sc->cols); 1083 SUBR_CURSOR(sc, DRAW_CURSOR); 1084 } 1085 1086 static inline void 1087 snap_cury(struct ite_softc *sc) 1088 { 1089 if (sc->inside_margins) 1090 { 1091 if (sc->cury < sc->top_margin) 1092 sc->cury = sc->top_margin; 1093 if (sc->cury > sc->bottom_margin) 1094 sc->cury = sc->bottom_margin; 1095 } 1096 } 1097 1098 static inline void 1099 ite_dnchar(struct ite_softc *sc, int n) 1100 { 1101 n = min(n, sc->cols - sc->curx); 1102 if (n < sc->cols - sc->curx) 1103 { 1104 SUBR_SCROLL(sc, sc->cury, sc->curx + n, n, SCROLL_LEFT); 1105 attrmov(sc, sc->cury, sc->curx + n, sc->cury, sc->curx, 1106 1, sc->cols - sc->curx - n); 1107 attrclr(sc, sc->cury, sc->cols - n, 1, n); 1108 } 1109 while (n-- > 0) 1110 SUBR_PUTC(sc, ' ', sc->cury, sc->cols - n - 1, ATTR_NOR); 1111 SUBR_CURSOR(sc, DRAW_CURSOR); 1112 } 1113 1114 static inline void 1115 ite_inchar(struct ite_softc *sc, int n) 1116 { 1117 n = min(n, sc->cols - sc->curx); 1118 if (n < sc->cols - sc->curx) 1119 { 1120 SUBR_SCROLL(sc, sc->cury, sc->curx, n, SCROLL_RIGHT); 1121 attrmov(sc, sc->cury, sc->curx, sc->cury, sc->curx + n, 1122 1, sc->cols - sc->curx - n); 1123 attrclr(sc, sc->cury, sc->curx, 1, n); 1124 } 1125 while (n--) 1126 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR); 1127 SUBR_CURSOR(sc, DRAW_CURSOR); 1128 } 1129 1130 static inline void 1131 ite_clrtoeol(struct ite_softc *sc) 1132 { 1133 int y = sc->cury, x = sc->curx; 1134 if (sc->cols - x > 0) 1135 { 1136 SUBR_CLEAR(sc, y, x, 1, sc->cols - x); 1137 attrclr(sc, y, x, 1, sc->cols - x); 1138 SUBR_CURSOR(sc, DRAW_CURSOR); 1139 } 1140 } 1141 1142 static inline void 1143 ite_clrtobol(struct ite_softc *sc) 1144 { 1145 int y = sc->cury, x = min(sc->curx + 1, sc->cols); 1146 SUBR_CLEAR(sc, y, 0, 1, x); 1147 attrclr(sc, y, 0, 1, x); 1148 SUBR_CURSOR(sc, DRAW_CURSOR); 1149 } 1150 1151 static inline void 1152 ite_clrline(struct ite_softc *sc) 1153 { 1154 int y = sc->cury; 1155 SUBR_CLEAR(sc, y, 0, 1, sc->cols); 1156 attrclr(sc, y, 0, 1, sc->cols); 1157 SUBR_CURSOR(sc, DRAW_CURSOR); 1158 } 1159 1160 1161 1162 static inline void 1163 ite_clrtoeos(struct ite_softc *sc) 1164 { 1165 ite_clrtoeol(sc); 1166 if (sc->cury < sc->rows - 1) 1167 { 1168 SUBR_CLEAR(sc, sc->cury + 1, 0, sc->rows - 1 - sc->cury, sc->cols); 1169 attrclr(sc, sc->cury, 0, sc->rows - sc->cury, sc->cols); 1170 SUBR_CURSOR(sc, DRAW_CURSOR); 1171 } 1172 } 1173 1174 static inline void 1175 ite_clrtobos(struct ite_softc *sc) 1176 { 1177 ite_clrtobol(sc); 1178 if (sc->cury > 0) 1179 { 1180 SUBR_CLEAR(sc, 0, 0, sc->cury, sc->cols); 1181 attrclr(sc, 0, 0, sc->cury, sc->cols); 1182 SUBR_CURSOR(sc, DRAW_CURSOR); 1183 } 1184 } 1185 1186 static inline void 1187 ite_clrscreen(struct ite_softc *sc) 1188 { 1189 SUBR_CLEAR(sc, 0, 0, sc->rows, sc->cols); 1190 attrclr(sc, 0, 0, sc->rows, sc->cols); 1191 SUBR_CURSOR(sc, DRAW_CURSOR); 1192 } 1193 1194 1195 1196 static inline void 1197 ite_dnline(struct ite_softc *sc, int n) 1198 { 1199 /* interesting.. if the cursor is outside the scrolling 1200 region, this command is simply ignored.. */ 1201 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin) 1202 return; 1203 1204 n = min(n, sc->bottom_margin + 1 - sc->cury); 1205 if (n <= sc->bottom_margin - sc->cury) 1206 { 1207 SUBR_SCROLL(sc, sc->cury + n, 0, n, SCROLL_UP); 1208 attrmov(sc, sc->cury + n, 0, sc->cury, 0, 1209 sc->bottom_margin + 1 - sc->cury - n, sc->cols); 1210 } 1211 SUBR_CLEAR(sc, sc->bottom_margin - n + 1, 0, n, sc->cols); 1212 attrclr(sc, sc->bottom_margin - n + 1, 0, n, sc->cols); 1213 SUBR_CURSOR(sc, DRAW_CURSOR); 1214 } 1215 1216 static inline void 1217 ite_inline(struct ite_softc *sc, int n) 1218 { 1219 /* interesting.. if the cursor is outside the scrolling 1220 region, this command is simply ignored.. */ 1221 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin) 1222 return; 1223 1224 n = min(n, sc->bottom_margin + 1 - sc->cury); 1225 if (n <= sc->bottom_margin - sc->cury) 1226 { 1227 SUBR_SCROLL(sc, sc->cury, 0, n, SCROLL_DOWN); 1228 attrmov(sc, sc->cury, 0, sc->cury + n, 0, 1229 sc->bottom_margin + 1 - sc->cury - n, sc->cols); 1230 } 1231 SUBR_CLEAR(sc, sc->cury, 0, n, sc->cols); 1232 attrclr(sc, sc->cury, 0, n, sc->cols); 1233 SUBR_CURSOR(sc, DRAW_CURSOR); 1234 } 1235 1236 static inline void 1237 ite_lf (struct ite_softc *sc) 1238 { 1239 ++sc->cury; 1240 if ((sc->cury == sc->bottom_margin+1) || (sc->cury == sc->rows)) 1241 { 1242 sc->cury--; 1243 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP); 1244 ite_clrline(sc); 1245 } 1246 SUBR_CURSOR(sc, MOVE_CURSOR); 1247 clr_attr(sc, ATTR_INV); 1248 } 1249 1250 static inline void 1251 ite_crlf (struct ite_softc *sc) 1252 { 1253 sc->curx = 0; 1254 ite_lf (sc); 1255 } 1256 1257 static inline void 1258 ite_cr (struct ite_softc *sc) 1259 { 1260 if (sc->curx) 1261 { 1262 sc->curx = 0; 1263 SUBR_CURSOR(sc, MOVE_CURSOR); 1264 } 1265 } 1266 1267 static inline void 1268 ite_rlf (struct ite_softc *sc) 1269 { 1270 sc->cury--; 1271 if ((sc->cury < 0) || (sc->cury == sc->top_margin - 1)) 1272 { 1273 sc->cury++; 1274 SUBR_SCROLL(sc, sc->top_margin, 0, 1, SCROLL_DOWN); 1275 ite_clrline(sc); 1276 } 1277 SUBR_CURSOR(sc, MOVE_CURSOR); 1278 clr_attr(sc, ATTR_INV); 1279 } 1280 1281 static inline int 1282 atoi (const char *cp) 1283 { 1284 int n; 1285 1286 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1287 n = n * 10 + *cp - '0'; 1288 1289 return n; 1290 } 1291 1292 static inline int 1293 ite_argnum (struct ite_softc *sc) 1294 { 1295 char ch; 1296 int n; 1297 1298 /* convert argument string into number */ 1299 if (sc->ap == sc->argbuf) 1300 return 1; 1301 ch = *sc->ap; 1302 *sc->ap = 0; 1303 n = atoi (sc->argbuf); 1304 *sc->ap = ch; 1305 1306 return n; 1307 } 1308 1309 static inline int 1310 ite_zargnum (struct ite_softc *sc) 1311 { 1312 char ch; 1313 int n; 1314 1315 /* convert argument string into number */ 1316 if (sc->ap == sc->argbuf) 1317 return 0; 1318 ch = *sc->ap; 1319 *sc->ap = 0; 1320 n = atoi (sc->argbuf); 1321 *sc->ap = ch; 1322 1323 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1324 } 1325 1326 void 1327 ite_putstr(const u_char *s, int len, dev_t dev) 1328 { 1329 struct ite_softc *sc; 1330 int i; 1331 1332 sc = getitesp(dev); 1333 1334 /* XXX avoid problems */ 1335 if ((sc->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1336 return; 1337 1338 SUBR_CURSOR(sc, START_CURSOROPT); 1339 for (i = 0; i < len; i++) 1340 if (s[i]) 1341 iteputchar(s[i], sc); 1342 SUBR_CURSOR(sc, END_CURSOROPT); 1343 } 1344 1345 1346 void 1347 iteputchar(register int c, struct ite_softc *sc) 1348 { 1349 struct tty *kbd_tty; 1350 int n, x, y; 1351 char *cp; 1352 1353 if (kbd_ite == NULL) 1354 kbd_tty = NULL; 1355 else 1356 kbd_tty = kbd_ite->tp; 1357 1358 if (sc->escape) 1359 { 1360 switch (sc->escape) 1361 { 1362 case ESC: 1363 switch (c) 1364 { 1365 /* first 7bit equivalents for the 8bit control characters */ 1366 1367 case 'D': 1368 c = IND; 1369 sc->escape = 0; 1370 break; /* and fall into the next switch below (same for all `break') */ 1371 1372 case 'E': 1373 c = NEL; 1374 sc->escape = 0; 1375 break; 1376 1377 case 'H': 1378 c = HTS; 1379 sc->escape = 0; 1380 break; 1381 1382 case 'M': 1383 c = RI; 1384 sc->escape = 0; 1385 break; 1386 1387 case 'N': 1388 c = SS2; 1389 sc->escape = 0; 1390 break; 1391 1392 case 'O': 1393 c = SS3; 1394 sc->escape = 0; 1395 break; 1396 1397 case 'P': 1398 c = DCS; 1399 sc->escape = 0; 1400 break; 1401 1402 case '[': 1403 c = CSI; 1404 sc->escape = 0; 1405 break; 1406 1407 case '\\': 1408 c = ST; 1409 sc->escape = 0; 1410 break; 1411 1412 case ']': 1413 c = OSC; 1414 sc->escape = 0; 1415 break; 1416 1417 case '^': 1418 c = PM; 1419 sc->escape = 0; 1420 break; 1421 1422 case '_': 1423 c = APC; 1424 sc->escape = 0; 1425 break; 1426 1427 1428 /* introduces 7/8bit control */ 1429 case ' ': 1430 /* can be followed by either F or G */ 1431 sc->escape = ' '; 1432 break; 1433 1434 1435 /* a lot of character set selections, not yet used... 1436 94-character sets: */ 1437 case '(': /* G0 */ 1438 case ')': /* G1 */ 1439 sc->escape = c; 1440 return; 1441 1442 case '*': /* G2 */ 1443 case '+': /* G3 */ 1444 case 'B': /* ASCII */ 1445 case 'A': /* ISO latin 1 */ 1446 case '<': /* user preferred suplemental */ 1447 case '0': /* dec special graphics */ 1448 1449 /* 96-character sets: */ 1450 case '-': /* G1 */ 1451 case '.': /* G2 */ 1452 case '/': /* G3 */ 1453 1454 /* national character sets: */ 1455 case '4': /* dutch */ 1456 case '5': 1457 case 'C': /* finnish */ 1458 case 'R': /* french */ 1459 case 'Q': /* french canadian */ 1460 case 'K': /* german */ 1461 case 'Y': /* italian */ 1462 case '6': /* norwegian/danish */ 1463 /* note: %5 and %6 are not supported (two chars..) */ 1464 1465 sc->escape = 0; 1466 /* just ignore for now */ 1467 return; 1468 1469 1470 /* locking shift modes (as you might guess, not yet supported..) */ 1471 case '`': 1472 sc->GR = sc->G1; 1473 sc->escape = 0; 1474 return; 1475 1476 case 'n': 1477 sc->GL = sc->G2; 1478 sc->escape = 0; 1479 return; 1480 1481 case '}': 1482 sc->GR = sc->G2; 1483 sc->escape = 0; 1484 return; 1485 1486 case 'o': 1487 sc->GL = sc->G3; 1488 sc->escape = 0; 1489 return; 1490 1491 case '|': 1492 sc->GR = sc->G3; 1493 sc->escape = 0; 1494 return; 1495 1496 1497 /* font width/height control */ 1498 case '#': 1499 sc->escape = '#'; 1500 return; 1501 1502 1503 /* hard terminal reset .. */ 1504 case 'c': 1505 ite_reset (sc); 1506 SUBR_CURSOR(sc, MOVE_CURSOR); 1507 sc->escape = 0; 1508 return; 1509 1510 1511 case '7': 1512 sc->save_curx = sc->curx; 1513 sc->save_cury = sc->cury; 1514 sc->save_attribute = sc->attribute; 1515 sc->escape = 0; 1516 return; 1517 1518 case '8': 1519 sc->curx = sc->save_curx; 1520 sc->cury = sc->save_cury; 1521 sc->attribute = sc->save_attribute; 1522 SUBR_CURSOR(sc, MOVE_CURSOR); 1523 sc->escape = 0; 1524 return; 1525 1526 case '=': 1527 sc->keypad_appmode = 1; 1528 sc->escape = 0; 1529 return; 1530 1531 case '>': 1532 sc->keypad_appmode = 0; 1533 sc->escape = 0; 1534 return; 1535 1536 case 'Z': /* request ID */ 1537 if (sc->emul_level == EMUL_VT100) 1538 ite_sendstr ("\033[?61;0c"); /* XXX not clean */ 1539 else 1540 ite_sendstr ("\033[?63;0c"); /* XXX not clean */ 1541 sc->escape = 0; 1542 return; 1543 1544 /* default catch all for not recognized ESC sequences */ 1545 default: 1546 sc->escape = 0; 1547 return; 1548 } 1549 break; 1550 1551 1552 case '(': 1553 case ')': 1554 sc->escape = 0; 1555 return; 1556 1557 1558 case ' ': 1559 switch (c) 1560 { 1561 case 'F': 1562 sc->eightbit_C1 = 0; 1563 sc->escape = 0; 1564 return; 1565 1566 case 'G': 1567 sc->eightbit_C1 = 1; 1568 sc->escape = 0; 1569 return; 1570 1571 default: 1572 /* not supported */ 1573 sc->escape = 0; 1574 return; 1575 } 1576 break; 1577 1578 1579 case '#': 1580 switch (c) 1581 { 1582 case '5': 1583 /* single height, single width */ 1584 sc->escape = 0; 1585 return; 1586 1587 case '6': 1588 /* double width, single height */ 1589 sc->escape = 0; 1590 return; 1591 1592 case '3': 1593 /* top half */ 1594 sc->escape = 0; 1595 return; 1596 1597 case '4': 1598 /* bottom half */ 1599 sc->escape = 0; 1600 return; 1601 1602 case '8': 1603 /* screen alignment pattern... */ 1604 alignment_display (sc); 1605 sc->escape = 0; 1606 return; 1607 1608 default: 1609 sc->escape = 0; 1610 return; 1611 } 1612 break; 1613 1614 1615 1616 case CSI: 1617 /* the biggie... */ 1618 switch (c) 1619 { 1620 case '0': case '1': case '2': case '3': case '4': 1621 case '5': case '6': case '7': case '8': case '9': 1622 case ';': case '\"': case '$': case '>': 1623 if (sc->ap < sc->argbuf + MAX_ARGSIZE) 1624 *sc->ap++ = c; 1625 return; 1626 1627 case BS: 1628 /* you wouldn't believe such perversion is possible? 1629 it is.. BS is allowed in between cursor sequences 1630 (at least), according to vttest.. */ 1631 if (--sc->curx < 0) 1632 sc->curx = 0; 1633 else 1634 SUBR_CURSOR(sc, MOVE_CURSOR); 1635 break; 1636 1637 case 'p': 1638 *sc->ap = 0; 1639 if (! strncmp (sc->argbuf, "61\"", 3)) 1640 sc->emul_level = EMUL_VT100; 1641 else if (! strncmp (sc->argbuf, "63;1\"", 5) 1642 || ! strncmp (sc->argbuf, "62;1\"", 5)) 1643 sc->emul_level = EMUL_VT300_7; 1644 else 1645 sc->emul_level = EMUL_VT300_8; 1646 sc->escape = 0; 1647 return; 1648 1649 1650 case '?': 1651 *sc->ap = 0; 1652 sc->escape = '?'; 1653 sc->ap = sc->argbuf; 1654 return; 1655 1656 1657 case 'c': 1658 *sc->ap = 0; 1659 if (sc->argbuf[0] == '>') 1660 { 1661 ite_sendstr ("\033[>24;0;0;0c"); 1662 } 1663 else switch (ite_zargnum(sc)) 1664 { 1665 case 0: 1666 /* primary DA request, send primary DA response */ 1667 if (sc->emul_level == EMUL_VT100) 1668 ite_sendstr ("\033[?1;1c"); 1669 else 1670 ite_sendstr ("\033[?63;1c"); 1671 break; 1672 } 1673 sc->escape = 0; 1674 return; 1675 1676 case 'n': 1677 switch (ite_zargnum(sc)) 1678 { 1679 case 5: 1680 ite_sendstr ("\033[0n"); /* no malfunction */ 1681 break; 1682 case 6: 1683 /* cursor position report */ 1684 snprintf (sc->argbuf, sizeof(sc->argbuf), "\033[%d;%dR", 1685 sc->cury + 1, sc->curx + 1); 1686 ite_sendstr (sc->argbuf); 1687 break; 1688 } 1689 sc->escape = 0; 1690 return; 1691 1692 1693 case 'x': 1694 switch (ite_zargnum(sc)) 1695 { 1696 case 0: 1697 /* Fake some terminal parameters. */ 1698 ite_sendstr ("\033[2;1;1;112;112;1;0x"); 1699 break; 1700 case 1: 1701 ite_sendstr ("\033[3;1;1;112;112;1;0x"); 1702 break; 1703 } 1704 sc->escape = 0; 1705 return; 1706 1707 1708 case 'g': 1709 switch (ite_zargnum(sc)) 1710 { 1711 case 0: 1712 if (sc->curx < sc->cols) 1713 sc->tabs[sc->curx] = 0; 1714 break; 1715 case 3: 1716 for (n = 0; n < sc->cols; n++) 1717 sc->tabs[n] = 0; 1718 break; 1719 } 1720 sc->escape = 0; 1721 return; 1722 1723 1724 case 'h': case 'l': 1725 n = ite_zargnum (sc); 1726 switch (n) 1727 { 1728 case 4: 1729 sc->imode = (c == 'h'); /* insert/replace mode */ 1730 break; 1731 case 20: 1732 sc->linefeed_newline = (c == 'h'); 1733 break; 1734 } 1735 sc->escape = 0; 1736 return; 1737 1738 1739 case 'M': 1740 ite_dnline (sc, ite_argnum (sc)); 1741 sc->escape = 0; 1742 return; 1743 1744 1745 case 'L': 1746 ite_inline (sc, ite_argnum (sc)); 1747 sc->escape = 0; 1748 return; 1749 1750 1751 case 'P': 1752 ite_dnchar (sc, ite_argnum (sc)); 1753 sc->escape = 0; 1754 return; 1755 1756 1757 case '@': 1758 ite_inchar (sc, ite_argnum (sc)); 1759 sc->escape = 0; 1760 return; 1761 1762 1763 case 'G': 1764 /* this one was *not* in my vt320 manual but in 1765 a vt320 termcap entry.. who is right? 1766 It's supposed to set the horizontal cursor position. */ 1767 *sc->ap = 0; 1768 x = atoi (sc->argbuf); 1769 if (x) x--; 1770 sc->curx = min(x, sc->cols - 1); 1771 sc->escape = 0; 1772 SUBR_CURSOR(sc, MOVE_CURSOR); 1773 clr_attr (sc, ATTR_INV); 1774 return; 1775 1776 1777 case 'd': 1778 /* same thing here, this one's for setting the absolute 1779 vertical cursor position. Not documented... */ 1780 *sc->ap = 0; 1781 y = atoi (sc->argbuf); 1782 if (y) y--; 1783 if (sc->inside_margins) 1784 y += sc->top_margin; 1785 sc->cury = min(y, sc->rows - 1); 1786 sc->escape = 0; 1787 snap_cury(sc); 1788 SUBR_CURSOR(sc, MOVE_CURSOR); 1789 clr_attr (sc, ATTR_INV); 1790 return; 1791 1792 1793 case 'H': 1794 case 'f': 1795 *sc->ap = 0; 1796 y = atoi (sc->argbuf); 1797 x = 0; 1798 cp = strchr(sc->argbuf, ';'); 1799 if (cp) 1800 x = atoi (cp + 1); 1801 if (x) x--; 1802 if (y) y--; 1803 if (sc->inside_margins) 1804 y += sc->top_margin; 1805 sc->cury = min(y, sc->rows - 1); 1806 sc->curx = min(x, sc->cols - 1); 1807 sc->escape = 0; 1808 snap_cury(sc); 1809 SUBR_CURSOR(sc, MOVE_CURSOR); 1810 clr_attr (sc, ATTR_INV); 1811 return; 1812 1813 case 'A': 1814 n = ite_argnum (sc); 1815 n = sc->cury - (n ? n : 1); 1816 if (n < 0) n = 0; 1817 if (sc->inside_margins) 1818 n = max(sc->top_margin, n); 1819 else if (n == sc->top_margin - 1) 1820 /* allow scrolling outside region, but don't scroll out 1821 of active region without explicit CUP */ 1822 n = sc->top_margin; 1823 sc->cury = n; 1824 sc->escape = 0; 1825 SUBR_CURSOR(sc, MOVE_CURSOR); 1826 clr_attr (sc, ATTR_INV); 1827 return; 1828 1829 case 'B': 1830 n = ite_argnum (sc); 1831 n = sc->cury + (n ? n : 1); 1832 n = min(sc->rows - 1, n); 1833 if (sc->inside_margins) 1834 n = min(sc->bottom_margin, n); 1835 else if (n == sc->bottom_margin + 1) 1836 /* allow scrolling outside region, but don't scroll out 1837 of active region without explicit CUP */ 1838 n = sc->bottom_margin; 1839 sc->cury = n; 1840 sc->escape = 0; 1841 SUBR_CURSOR(sc, MOVE_CURSOR); 1842 clr_attr (sc, ATTR_INV); 1843 return; 1844 1845 case 'C': 1846 n = ite_argnum (sc); 1847 n = n ? n : 1; 1848 sc->curx = min(sc->curx + n, sc->cols - 1); 1849 sc->escape = 0; 1850 SUBR_CURSOR(sc, MOVE_CURSOR); 1851 clr_attr (sc, ATTR_INV); 1852 return; 1853 1854 case 'D': 1855 n = ite_argnum (sc); 1856 n = n ? n : 1; 1857 n = sc->curx - n; 1858 sc->curx = n >= 0 ? n : 0; 1859 sc->escape = 0; 1860 SUBR_CURSOR(sc, MOVE_CURSOR); 1861 clr_attr (sc, ATTR_INV); 1862 return; 1863 1864 1865 1866 1867 case 'J': 1868 *sc->ap = 0; 1869 n = ite_zargnum (sc); 1870 if (n == 0) 1871 ite_clrtoeos(sc); 1872 else if (n == 1) 1873 ite_clrtobos(sc); 1874 else if (n == 2) 1875 ite_clrscreen(sc); 1876 sc->escape = 0; 1877 return; 1878 1879 1880 case 'K': 1881 n = ite_zargnum (sc); 1882 if (n == 0) 1883 ite_clrtoeol(sc); 1884 else if (n == 1) 1885 ite_clrtobol(sc); 1886 else if (n == 2) 1887 ite_clrline(sc); 1888 sc->escape = 0; 1889 return; 1890 1891 1892 case 'X': 1893 n = ite_argnum(sc) - 1; 1894 n = min(n, sc->cols - 1 - sc->curx); 1895 for (; n >= 0; n--) 1896 { 1897 attrclr(sc, sc->cury, sc->curx + n, 1, 1); 1898 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR); 1899 } 1900 sc->escape = 0; 1901 return; 1902 1903 1904 case '}': case '`': 1905 /* status line control */ 1906 sc->escape = 0; 1907 return; 1908 1909 1910 case 'r': 1911 *sc->ap = 0; 1912 x = atoi (sc->argbuf); 1913 x = x ? x : 1; 1914 y = sc->rows; 1915 cp = strchr(sc->argbuf, ';'); 1916 if (cp) 1917 { 1918 y = atoi (cp + 1); 1919 y = y ? y : sc->rows; 1920 } 1921 if (y - x < 2) 1922 { 1923 /* if illegal scrolling region, reset to defaults */ 1924 x = 1; 1925 y = sc->rows; 1926 } 1927 x--; 1928 y--; 1929 sc->top_margin = min(x, sc->rows - 1); 1930 sc->bottom_margin = min(y, sc->rows - 1); 1931 if (sc->inside_margins) 1932 { 1933 sc->cury = sc->top_margin; 1934 sc->curx = 0; 1935 SUBR_CURSOR(sc, MOVE_CURSOR); 1936 } 1937 sc->escape = 0; 1938 return; 1939 1940 1941 case 'm': 1942 /* big attribute setter/resetter */ 1943 { 1944 char *chp; 1945 *sc->ap = 0; 1946 /* kludge to make CSIm work (== CSI0m) */ 1947 if (sc->ap == sc->argbuf) 1948 sc->ap++; 1949 for (chp = sc->argbuf; chp < sc->ap; ) 1950 { 1951 switch (*chp) 1952 { 1953 case 0: 1954 case '0': 1955 clr_attr (sc, ATTR_ALL); 1956 chp++; 1957 break; 1958 1959 case '1': 1960 set_attr (sc, ATTR_BOLD); 1961 chp++; 1962 break; 1963 1964 case '2': 1965 switch (chp[1]) 1966 { 1967 case '2': 1968 clr_attr (sc, ATTR_BOLD); 1969 chp += 2; 1970 break; 1971 1972 case '4': 1973 clr_attr (sc, ATTR_UL); 1974 chp += 2; 1975 break; 1976 1977 case '5': 1978 clr_attr (sc, ATTR_BLINK); 1979 chp += 2; 1980 break; 1981 1982 case '7': 1983 clr_attr (sc, ATTR_INV); 1984 chp += 2; 1985 break; 1986 1987 default: 1988 chp++; 1989 break; 1990 } 1991 break; 1992 1993 case '4': 1994 set_attr (sc, ATTR_UL); 1995 chp++; 1996 break; 1997 1998 case '5': 1999 set_attr (sc, ATTR_BLINK); 2000 chp++; 2001 break; 2002 2003 case '7': 2004 set_attr (sc, ATTR_INV); 2005 chp++; 2006 break; 2007 2008 default: 2009 chp++; 2010 break; 2011 } 2012 } 2013 2014 } 2015 sc->escape = 0; 2016 return; 2017 2018 2019 case 'u': 2020 /* DECRQTSR */ 2021 ite_sendstr ("\033P\033\\"); 2022 sc->escape = 0; 2023 return; 2024 2025 2026 2027 default: 2028 sc->escape = 0; 2029 return; 2030 } 2031 break; 2032 2033 2034 2035 case '?': /* CSI ? */ 2036 switch (c) 2037 { 2038 case '0': case '1': case '2': case '3': case '4': 2039 case '5': case '6': case '7': case '8': case '9': 2040 case ';': case '\"': case '$': 2041 /* Don't fill the last character; it's needed. */ 2042 /* XXX yeah, where ?? */ 2043 if (sc->ap < sc->argbuf + MAX_ARGSIZE - 1) 2044 *sc->ap++ = c; 2045 return; 2046 2047 2048 case 'n': 2049 *sc->ap = 0; 2050 if (sc->ap == &sc->argbuf[2]) 2051 { 2052 if (! strncmp (sc->argbuf, "15", 2)) 2053 /* printer status: no printer */ 2054 ite_sendstr ("\033[13n"); 2055 2056 else if (! strncmp (sc->argbuf, "25", 2)) 2057 /* udk status */ 2058 ite_sendstr ("\033[20n"); 2059 2060 else if (! strncmp (sc->argbuf, "26", 2)) 2061 /* keyboard dialect: US */ 2062 ite_sendstr ("\033[27;1n"); 2063 } 2064 sc->escape = 0; 2065 return; 2066 2067 2068 case 'h': case 'l': 2069 n = ite_zargnum (sc); 2070 switch (n) 2071 { 2072 case 1: 2073 sc->cursor_appmode = (c == 'h'); 2074 break; 2075 2076 case 3: 2077 /* 132/80 columns (132 == 'h') */ 2078 break; 2079 2080 case 4: /* smooth scroll */ 2081 break; 2082 2083 case 5: 2084 /* light background (=='h') /dark background(=='l') */ 2085 break; 2086 2087 case 6: /* origin mode */ 2088 sc->inside_margins = (c == 'h'); 2089 sc->curx = 0; 2090 sc->cury = sc->inside_margins ? sc->top_margin : 0; 2091 SUBR_CURSOR(sc, MOVE_CURSOR); 2092 break; 2093 2094 case 7: /* auto wraparound */ 2095 sc->auto_wrap = (c == 'h'); 2096 break; 2097 2098 case 8: /* keyboard repeat */ 2099 sc->key_repeat = (c == 'h'); 2100 break; 2101 2102 case 20: /* newline mode */ 2103 sc->linefeed_newline = (c == 'h'); 2104 break; 2105 2106 case 25: /* cursor on/off */ 2107 SUBR_CURSOR(sc, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR); 2108 break; 2109 } 2110 sc->escape = 0; 2111 return; 2112 2113 default: 2114 sc->escape = 0; 2115 return; 2116 } 2117 break; 2118 2119 2120 default: 2121 sc->escape = 0; 2122 return; 2123 } 2124 } 2125 2126 switch (c) { 2127 2128 case VT: /* VT is treated like LF */ 2129 case FF: /* so is FF */ 2130 case LF: 2131 /* cr->crlf distinction is done here, on output, 2132 not on input! */ 2133 if (sc->linefeed_newline) 2134 ite_crlf (sc); 2135 else 2136 ite_lf (sc); 2137 break; 2138 2139 case CR: 2140 ite_cr (sc); 2141 break; 2142 2143 case BS: 2144 if (--sc->curx < 0) 2145 sc->curx = 0; 2146 else 2147 SUBR_CURSOR(sc, MOVE_CURSOR); 2148 break; 2149 2150 case HT: 2151 for (n = sc->curx + 1; n < sc->cols; n++) { 2152 if (sc->tabs[n]) { 2153 sc->curx = n; 2154 SUBR_CURSOR(sc, MOVE_CURSOR); 2155 break; 2156 } 2157 } 2158 break; 2159 2160 case BEL: 2161 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty) 2162 kbdbell(); 2163 break; 2164 2165 case SO: 2166 sc->GL = sc->G1; 2167 break; 2168 2169 case SI: 2170 sc->GL = sc->G0; 2171 break; 2172 2173 case ENQ: 2174 /* send answer-back message !! */ 2175 break; 2176 2177 case CAN: 2178 sc->escape = 0; /* cancel any escape sequence in progress */ 2179 break; 2180 2181 case SUB: 2182 sc->escape = 0; /* dito, but see below */ 2183 /* should also display a reverse question mark!! */ 2184 break; 2185 2186 case ESC: 2187 sc->escape = ESC; 2188 break; 2189 2190 2191 /* now it gets weird.. 8bit control sequences.. */ 2192 case IND: /* index: move cursor down, scroll */ 2193 ite_lf (sc); 2194 break; 2195 2196 case NEL: /* next line. next line, first pos. */ 2197 ite_crlf (sc); 2198 break; 2199 2200 case HTS: /* set horizontal tab */ 2201 if (sc->curx < sc->cols) 2202 sc->tabs[sc->curx] = 1; 2203 break; 2204 2205 case RI: /* reverse index */ 2206 ite_rlf (sc); 2207 break; 2208 2209 case SS2: /* go into G2 for one character */ 2210 /* not yet supported */ 2211 break; 2212 2213 case SS3: /* go into G3 for one character */ 2214 break; 2215 2216 case DCS: /* device control string introducer */ 2217 sc->escape = DCS; 2218 sc->ap = sc->argbuf; 2219 break; 2220 2221 case CSI: /* control sequence introducer */ 2222 sc->escape = CSI; 2223 sc->ap = sc->argbuf; 2224 break; 2225 2226 case ST: /* string terminator */ 2227 /* ignore, if not used as terminator */ 2228 break; 2229 2230 case OSC: /* introduces OS command. Ignore everything upto ST */ 2231 sc->escape = OSC; 2232 break; 2233 2234 case PM: /* privacy message, ignore everything upto ST */ 2235 sc->escape = PM; 2236 break; 2237 2238 case APC: /* application program command, ignore everything upto ST */ 2239 sc->escape = APC; 2240 break; 2241 2242 default: 2243 if (c < ' ' || c == DEL) 2244 break; 2245 if (sc->imode) 2246 ite_inchar(sc, 1); 2247 iteprecheckwrap(sc); 2248 #ifdef DO_WEIRD_ATTRIBUTES 2249 if ((sc->attribute & ATTR_INV) || attrtest(sc, ATTR_INV)) { 2250 attrset(sc, ATTR_INV); 2251 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_INV); 2252 } 2253 else 2254 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_NOR); 2255 #else 2256 SUBR_PUTC(sc, c, sc->cury, sc->curx, sc->attribute); 2257 #endif 2258 SUBR_CURSOR(sc, DRAW_CURSOR); 2259 itecheckwrap(sc); 2260 break; 2261 } 2262 } 2263 2264 static void 2265 iteprecheckwrap(struct ite_softc *sc) 2266 { 2267 if (sc->auto_wrap && sc->curx == sc->cols) { 2268 sc->curx = 0; 2269 clr_attr(sc, ATTR_INV); 2270 if (++sc->cury >= sc->bottom_margin + 1) { 2271 sc->cury = sc->bottom_margin; 2272 SUBR_CURSOR(sc, MOVE_CURSOR); 2273 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP); 2274 ite_clrtoeol(sc); 2275 } else 2276 SUBR_CURSOR(sc, MOVE_CURSOR); 2277 } 2278 } 2279 2280 static void 2281 itecheckwrap(struct ite_softc *sc) 2282 { 2283 if (sc->curx < sc->cols) { 2284 sc->curx++; 2285 SUBR_CURSOR(sc, MOVE_CURSOR); 2286 } 2287 } 2288