ite.c revision 1.77.18.1
1 /* $NetBSD: ite.c,v 1.77.18.1 2019/06/10 22:05:58 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 1.77.18.1 2019/06/10 22:05:58 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_discard = nodiscard, 174 .d_flag = D_TTY 175 }; 176 177 /* 178 * Keep track of the device number of the ite console. Only used in the 179 * itematch/iteattach functions. 180 */ 181 static int cons_ite = -1; 182 183 int 184 itematch(device_t parent, cfdata_t cf, void *aux) 185 { 186 187 /* 188 * Handle early console stuff. The first unit number 189 * is the console unit. All other early matches will fail. 190 */ 191 if (atari_realconfig == 0) { 192 if (cons_ite >= 0) 193 return 0; 194 cons_ite = cf->cf_unit; 195 return 1; 196 } 197 return 1; 198 } 199 200 void 201 iteattach(device_t parent, device_t self, void *aux) 202 { 203 struct grf_softc *gsc; 204 struct ite_softc *sc; 205 int s; 206 int maj, unit; 207 208 gsc = device_private(parent); 209 sc = device_private(self); 210 211 maj = cdevsw_lookup_major(&ite_cdevsw); 212 unit = (self != NULL) ? device_unit(self) : cons_ite; 213 gsc->g_itedev = makedev(maj, unit); 214 215 if (self != NULL) { 216 s = spltty(); 217 if (con_itesoftc.grf != NULL && 218 con_itesoftc.grf->g_unit == gsc->g_unit) { 219 /* 220 * console reinit copy params over. 221 * and console always gets keyboard 222 */ 223 memcpy(&sc->grf, &con_itesoftc.grf, 224 (char *)&sc[1] - (char *)&sc->grf); 225 con_itesoftc.grf = NULL; 226 kbd_ite = sc; 227 } 228 sc->grf = gsc; 229 splx(s); 230 231 iteinit(gsc->g_itedev); 232 printf(": %dx%d", sc->rows, sc->cols); 233 printf(" repeat at (%d/100)s next at (%d/100)s", 234 start_repeat_timeo, next_repeat_timeo); 235 236 if (kbd_ite == NULL) 237 kbd_ite = sc; 238 if (kbd_ite == sc) 239 printf(" has keyboard"); 240 printf("\n"); 241 sc->flags |= ITE_ATTACHED; 242 } else { 243 if (con_itesoftc.grf != NULL && 244 con_itesoftc.grf->g_conpri > gsc->g_conpri) 245 return; 246 con_itesoftc.grf = gsc; 247 con_itesoftc.tabs = cons_tabs; 248 } 249 } 250 251 static struct ite_softc * 252 getitesp(dev_t dev) 253 { 254 255 if (atari_realconfig && (con_itesoftc.grf == NULL)) 256 return(device_lookup_private(&ite_cd, ITEUNIT(dev))); 257 258 if (con_itesoftc.grf == NULL) 259 panic("no ite_softc for console"); 260 return(&con_itesoftc); 261 } 262 263 /* 264 * cons.c entry points into ite device. 265 */ 266 267 /* 268 * Return a priority in consdev->cn_pri field highest wins. This function 269 * is called before any devices have been probed. 270 */ 271 void 272 itecnprobe(struct consdev *cd) 273 { 274 /* 275 * return priority of the best ite (already picked from attach) 276 * or CN_DEAD. 277 */ 278 if (con_itesoftc.grf == NULL) 279 cd->cn_pri = CN_DEAD; 280 else { 281 cd->cn_pri = con_itesoftc.grf->g_conpri; 282 cd->cn_dev = con_itesoftc.grf->g_itedev; 283 } 284 } 285 286 void 287 itecninit(struct consdev *cd) 288 { 289 struct ite_softc *sc; 290 291 sc = getitesp(cd->cn_dev); 292 sc->flags |= ITE_ISCONS; 293 iteinit(cd->cn_dev); 294 sc->flags |= ITE_ACTIVE | ITE_ISCONS; 295 } 296 297 /* 298 * ite_cnfinish() is called in ite_init() when the device is 299 * being probed in the normal fasion, thus we can finish setting 300 * up this ite now that the system is more functional. 301 */ 302 void 303 ite_cnfinish(struct ite_softc *sc) 304 { 305 static int done; 306 307 if (done) 308 return; 309 done = 1; 310 } 311 312 int 313 itecngetc(dev_t dev) 314 { 315 int c; 316 317 do { 318 c = kbdgetcn(); 319 c = ite_cnfilter(c, ITEFILT_CONSOLE); 320 } while (c == -1); 321 return (c); 322 } 323 324 void 325 itecnputc(dev_t dev, int c) 326 { 327 static int paniced; 328 struct ite_softc *sc; 329 char ch; 330 331 sc = getitesp(dev); 332 ch = c; 333 334 if (panicstr && !paniced && 335 (sc->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 336 ite_on(dev, 3); 337 paniced = 1; 338 } 339 SUBR_CURSOR(sc, START_CURSOROPT); 340 iteputchar(ch, sc); 341 SUBR_CURSOR(sc, END_CURSOROPT); 342 } 343 344 /* 345 * standard entry points to the device. 346 */ 347 348 /* 349 * iteinit() is the standard entry point for initialization of 350 * an ite device, it is also called from itecninit(). 351 * 352 */ 353 void 354 iteinit(dev_t dev) 355 { 356 struct ite_softc *sc; 357 358 sc = getitesp(dev); 359 if (sc->flags & ITE_INITED) 360 return; 361 if (atari_realconfig) { 362 if (sc->kbdmap && sc->kbdmap != &ascii_kbdmap) 363 free(sc->kbdmap, M_DEVBUF); 364 sc->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK); 365 memcpy(sc->kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 366 } 367 else 368 sc->kbdmap = &ascii_kbdmap; 369 370 sc->cursorx = 0; 371 sc->cursory = 0; 372 SUBR_INIT(sc); 373 SUBR_CURSOR(sc, DRAW_CURSOR); 374 if (sc->tabs == NULL) 375 sc->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 376 ite_reset(sc); 377 sc->flags |= ITE_INITED; 378 } 379 380 int 381 iteopen(dev_t dev, int mode, int devtype, struct lwp *l) 382 { 383 struct ite_softc *sc; 384 struct tty *tp; 385 int error, first, unit; 386 387 unit = ITEUNIT(dev); 388 if (unit >= ite_cd.cd_ndevs) 389 return ENXIO; 390 391 first = 0; 392 sc = getitesp(dev); 393 if (sc == NULL) 394 return ENXIO; 395 if ((sc->flags & ITE_ATTACHED) == 0) 396 return (ENXIO); 397 398 if (sc->tp == NULL) { 399 tp = sc->tp = tty_alloc(); 400 tty_attach(tp); 401 } 402 else 403 tp = sc->tp; 404 405 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) 406 return (EBUSY); 407 408 if ((sc->flags & ITE_ACTIVE) == 0) { 409 ite_on(dev, 0); 410 first = 1; 411 } 412 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) { 413 tp->t_oproc = itestart; 414 tp->t_param = ite_param; 415 tp->t_dev = dev; 416 tp->t_iflag = TTYDEF_IFLAG; 417 tp->t_oflag = TTYDEF_OFLAG; 418 tp->t_cflag = TTYDEF_CFLAG; 419 tp->t_lflag = TTYDEF_LFLAG; 420 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 421 tp->t_state = TS_CARR_ON; 422 ttychars(tp); 423 ttsetwater(tp); 424 } 425 426 427 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0); 428 if (error) 429 goto bad; 430 431 error = (*tp->t_linesw->l_open) (dev, tp); 432 if (error) 433 goto bad; 434 435 tp->t_winsize.ws_row = sc->rows; 436 tp->t_winsize.ws_col = sc->cols; 437 if (!kbd_init) { 438 kbd_init = 1; 439 kbdenable(); 440 } 441 return (0); 442 443 444 bad: 445 if (first) 446 ite_off(dev, 0); 447 448 return (error); 449 } 450 451 int 452 iteclose(dev_t dev, int flag, int mode, struct lwp *l) 453 { 454 struct tty *tp; 455 456 tp = getitesp(dev)->tp; 457 458 KDASSERT(tp); 459 (*tp->t_linesw->l_close) (tp, flag); 460 ttyclose(tp); 461 ite_off(dev, 0); 462 return (0); 463 } 464 465 int 466 iteread(dev_t dev, struct uio *uio, int flag) 467 { 468 struct tty *tp; 469 470 tp = getitesp(dev)->tp; 471 472 KDASSERT(tp); 473 return ((*tp->t_linesw->l_read) (tp, uio, flag)); 474 } 475 476 int 477 itewrite(dev_t dev, struct uio *uio, int flag) 478 { 479 struct tty *tp; 480 481 tp = getitesp(dev)->tp; 482 483 KDASSERT(tp); 484 return ((*tp->t_linesw->l_write) (tp, uio, flag)); 485 } 486 487 int 488 itepoll(dev_t dev, int events, struct lwp *l) 489 { 490 struct tty *tp; 491 492 tp = getitesp(dev)->tp; 493 494 KDASSERT(tp); 495 return ((*tp->t_linesw->l_poll)(tp, events, l)); 496 } 497 498 struct tty * 499 itetty(dev_t dev) 500 { 501 return(getitesp(dev)->tp); 502 } 503 504 int 505 iteioctl(dev_t dev, u_long cmd, void * addr, int flag, struct lwp *l) 506 { 507 struct iterepeat *irp; 508 struct ite_softc *sc; 509 struct tty *tp; 510 view_t *view; 511 struct itewinsize *is; 512 struct itebell *ib; 513 int error; 514 515 sc = getitesp(dev); 516 tp = sc->tp; 517 view = viewview(sc->grf->g_viewdev); 518 519 KDASSERT(tp); 520 521 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, l); 522 if (error != EPASSTHROUGH) 523 return (error); 524 525 error = ttioctl(tp, cmd, addr, flag, l); 526 if (error != EPASSTHROUGH) 527 return (error); 528 529 switch (cmd) { 530 case ITEIOCSKMAP: 531 if (addr == NULL) 532 return(EFAULT); 533 memcpy(sc->kbdmap, addr, sizeof(struct kbdmap)); 534 return 0; 535 case ITEIOCSSKMAP: 536 if (addr == NULL) 537 return(EFAULT); 538 memcpy(&ascii_kbdmap, addr, sizeof(struct kbdmap)); 539 return 0; 540 case ITEIOCGKMAP: 541 if (addr == NULL) 542 return(EFAULT); 543 memcpy(addr, sc->kbdmap, sizeof(struct kbdmap)); 544 return 0; 545 case ITEIOCGREPT: 546 if (addr == NULL) 547 return(EFAULT); 548 irp = (struct iterepeat *)addr; 549 irp->start = start_repeat_timeo; 550 irp->next = next_repeat_timeo; 551 return 0; 552 case ITEIOCSREPT: 553 if (addr == NULL) 554 return(EFAULT); 555 irp = (struct iterepeat *)addr; 556 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT) 557 return(EINVAL); 558 start_repeat_timeo = irp->start; 559 next_repeat_timeo = irp->next; 560 return 0; 561 case ITEIOCGWINSZ: 562 if (addr == NULL) 563 return(EFAULT); 564 is = (struct itewinsize *)addr; 565 is->x = view->display.x; 566 is->y = view->display.y; 567 is->width = view->display.width; 568 is->height = view->display.height; 569 is->depth = view->bitmap->depth; 570 return 0; 571 case ITEIOCDSPWIN: 572 sc->grf->g_mode(sc->grf, GM_GRFON, NULL, 0, 0); 573 return 0; 574 case ITEIOCREMWIN: 575 sc->grf->g_mode(sc->grf, GM_GRFOFF, NULL, 0, 0); 576 return 0; 577 case ITEIOCSBELL: 578 if (addr == NULL) 579 return(EFAULT); 580 ib = (struct itebell *)addr; 581 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec); 582 return 0; 583 case ITEIOCGBELL: 584 if (addr == NULL) 585 return(EFAULT); 586 ib = (struct itebell *)addr; 587 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec); 588 return 0; 589 } 590 return (sc->itexx_ioctl)(sc, cmd, addr, flag, l); 591 } 592 593 void 594 itestart(struct tty *tp) 595 { 596 struct clist *rbp; 597 u_char buf[ITEBURST]; 598 int s, len; 599 600 KDASSERT(tp); 601 602 s = spltty(); { 603 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 604 goto out; 605 606 tp->t_state |= TS_BUSY; 607 rbp = &tp->t_outq; 608 609 len = q_to_b(rbp, buf, ITEBURST); 610 } splx(s); 611 612 /* Here is a really good place to implement pre/jumpscroll() */ 613 ite_putstr((char *)buf, len, tp->t_dev); 614 615 s = spltty(); { 616 tp->t_state &= ~TS_BUSY; 617 /* we have characters remaining. */ 618 if (ttypull(tp)) { 619 tp->t_state |= TS_TIMEOUT; 620 callout_schedule(&tp->t_rstrt_ch, 1); 621 } 622 out: ; 623 } splx(s); 624 } 625 626 void 627 ite_on(dev_t dev, int flag) 628 { 629 struct ite_softc *sc; 630 sc = getitesp(dev); 631 632 /* force ite active, overriding graphics mode */ 633 if (flag & 1) { 634 sc->flags |= ITE_ACTIVE; 635 sc->flags &= ~(ITE_INGRF | ITE_INITED); 636 } 637 /* leave graphics mode */ 638 if (flag & 2) { 639 sc->flags &= ~ITE_INGRF; 640 if ((sc->flags & ITE_ACTIVE) == 0) 641 return; 642 } 643 sc->flags |= ITE_ACTIVE; 644 if (sc->flags & ITE_INGRF) 645 return; 646 iteinit(dev); 647 } 648 649 void 650 ite_off(dev_t dev, int flag) 651 { 652 struct ite_softc *sc; 653 654 sc = getitesp(dev); 655 if (flag & 2) 656 sc->flags |= ITE_INGRF; 657 if ((sc->flags & ITE_ACTIVE) == 0) 658 return; 659 if ((flag & 1) || 660 (sc->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 661 SUBR_DEINIT(sc); 662 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */ 663 sc->flags &= ~ITE_ACTIVE; 664 } 665 666 static void 667 ite_switch(int unit) 668 { 669 struct ite_softc *sc; 670 extern const struct cdevsw view_cdevsw; 671 672 sc = device_lookup_private(&ite_cd, unit); 673 if (sc == NULL || (sc->flags & (ITE_ATTACHED | ITE_INITED)) == 0) 674 return; 675 676 /* 677 * If switching to an active ite, also switch the keyboard. 678 */ 679 if (sc->flags & ITE_ACTIVE) 680 kbd_ite = sc; 681 682 /* 683 * Now make it visible 684 */ 685 (*view_cdevsw.d_ioctl)(sc->grf->g_viewdev, VIOCDISPLAY, NULL, 686 0, NOLWP); 687 688 /* 689 * Make sure the cursor's there too.... 690 */ 691 SUBR_CURSOR(sc, DRAW_CURSOR); 692 } 693 694 /* XXX called after changes made in underlying grf layer. */ 695 /* I want to nuke this */ 696 void 697 ite_reinit(dev_t dev) 698 { 699 struct ite_softc *sc; 700 701 sc = getitesp(dev); 702 sc->flags &= ~ITE_INITED; 703 iteinit(dev); 704 } 705 706 int 707 ite_param(struct tty *tp, struct termios *t) 708 { 709 tp->t_ispeed = t->c_ispeed; 710 tp->t_ospeed = t->c_ospeed; 711 tp->t_cflag = t->c_cflag; 712 return (0); 713 } 714 715 void 716 ite_reset(struct ite_softc *sc) 717 { 718 int i; 719 720 sc->curx = 0; 721 sc->cury = 0; 722 sc->attribute = ATTR_NOR; 723 sc->save_curx = 0; 724 sc->save_cury = 0; 725 sc->save_attribute = ATTR_NOR; 726 sc->ap = sc->argbuf; 727 sc->emul_level = 0; 728 sc->eightbit_C1 = 0; 729 sc->top_margin = 0; 730 sc->bottom_margin = sc->rows - 1; 731 sc->inside_margins = 0; 732 sc->linefeed_newline = 0; 733 sc->auto_wrap = ite_default_wrap; 734 sc->cursor_appmode = 0; 735 sc->keypad_appmode = 0; 736 sc->imode = 0; 737 sc->key_repeat = 1; 738 memset(sc->tabs, 0, sc->cols); 739 for (i = 0; i < sc->cols; i++) 740 sc->tabs[i] = ((i & 7) == 0); 741 } 742 743 /* 744 * has to be global because of the shared filters. 745 */ 746 static u_char last_dead; 747 748 /* 749 * Used in console at startup only and for DDB. 750 */ 751 int 752 ite_cnfilter(u_int c, enum caller caller) 753 { 754 struct key key; 755 struct kbdmap *kbdmap; 756 u_char code, up; 757 int s; 758 759 up = KBD_RELEASED(c); 760 c = KBD_SCANCODE(c); 761 code = 0; 762 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap; 763 764 s = spltty(); 765 766 /* 767 * No special action if key released 768 */ 769 if (up) { 770 splx(s); 771 return -1; 772 } 773 774 /* translate modifiers */ 775 if (kbd_modifier & KBD_MOD_SHIFT) { 776 if (kbd_modifier & KBD_MOD_ALT) 777 key = kbdmap->alt_shift_keys[c]; 778 else 779 key = kbdmap->shift_keys[c]; 780 } 781 else if (kbd_modifier & KBD_MOD_ALT) 782 key = kbdmap->alt_keys[c]; 783 else { 784 key = kbdmap->keys[c]; 785 /* 786 * If CAPS and key is CAPable (no pun intended) 787 */ 788 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 789 key = kbdmap->shift_keys[c]; 790 } 791 code = key.code; 792 793 #ifdef notyet /* LWP: Didn't have time to look at this yet */ 794 /* 795 * If string return simple console filter 796 */ 797 if (key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 798 splx(s); 799 return -1; 800 } 801 /* handle dead keys */ 802 if (key->mode & KBD_MODE_DEAD) { 803 /* if entered twice, send accent itself */ 804 if (last_dead == (key->mode & KBD_MODE_ACCMASK)) 805 last_dead = 0; 806 else { 807 last_dead = key->mode & KBD_MODE_ACCMASK; 808 splx(s); 809 return -1; 810 } 811 } 812 if (last_dead) { 813 /* can't apply dead flag to string-keys */ 814 if (code >= '@' && code < 0x7f) 815 code = 816 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 817 last_dead = 0; 818 } 819 #endif 820 if (kbd_modifier & KBD_MOD_CTRL) 821 code &= 0x1f; 822 823 /* 824 * Do console mapping. 825 */ 826 code = code == '\r' ? '\n' : code; 827 828 splx(s); 829 return (code); 830 } 831 832 /* And now the old stuff. */ 833 834 /* these are used to implement repeating keys.. */ 835 static u_int last_char; 836 static u_char tout_pending; 837 838 static callout_t repeat_ch; 839 840 /*ARGSUSED*/ 841 static void 842 repeat_handler(void *arg) 843 { 844 tout_pending = 0; 845 if (last_char) 846 add_sicallback((si_farg)ite_filter, (void *)last_char, 847 (void *)ITEFILT_REPEATER); 848 } 849 850 void 851 ite_filter(u_int c, enum caller caller) 852 { 853 struct tty *kbd_tty; 854 struct kbdmap *kbdmap; 855 u_char code, *str, up; 856 struct key key; 857 int s, i; 858 static bool again; 859 860 if (!again) { 861 /* XXX */ 862 callout_init(&repeat_ch, 0); 863 again = true; 864 } 865 866 if (kbd_ite == NULL) 867 return; 868 869 kbd_tty = kbd_ite->tp; 870 kbdmap = kbd_ite->kbdmap; 871 872 up = KBD_RELEASED(c); 873 c = KBD_SCANCODE(c); 874 code = 0; 875 876 /* have to make sure we're at spltty in here */ 877 s = spltty(); 878 879 /* 880 * keyboard interrupts come at priority 2, while softint 881 * generated keyboard-repeat interrupts come at level 1. So, 882 * to not allow a key-up event to get thru before a repeat for 883 * the key-down, we remove any outstanding callout requests.. 884 */ 885 rem_sicallback((si_farg)ite_filter); 886 887 /* 888 * Stop repeating on up event 889 */ 890 if (up) { 891 if (tout_pending) { 892 callout_stop(&repeat_ch); 893 tout_pending = 0; 894 last_char = 0; 895 } 896 splx(s); 897 return; 898 } 899 else if (tout_pending && last_char != c) { 900 /* 901 * Different character, stop also 902 */ 903 callout_stop(&repeat_ch); 904 tout_pending = 0; 905 last_char = 0; 906 } 907 908 /* 909 * Handle ite-switching ALT + Fx 910 */ 911 if ((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) { 912 ite_switch(c - 0x3b); 913 splx(s); 914 return; 915 } 916 /* 917 * Safety button, switch back to ascii keymap. 918 */ 919 if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) { 920 /* ALT + LSHIFT + F1 */ 921 memcpy(kbdmap, &ascii_kbdmap, sizeof(struct kbdmap)); 922 splx(s); 923 return; 924 #ifdef DDB 925 } else if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && 926 c == 0x43) { 927 /* 928 * ALT + LSHIFT + F9 -> Debugger! 929 */ 930 Debugger(); 931 splx(s); 932 return; 933 #endif 934 } 935 936 /* 937 * The rest of the code is senseless when the device is not open. 938 */ 939 if (kbd_tty == NULL) { 940 splx(s); 941 return; 942 } 943 944 /* 945 * Translate modifiers 946 */ 947 if (kbd_modifier & KBD_MOD_SHIFT) { 948 if (kbd_modifier & KBD_MOD_ALT) 949 key = kbdmap->alt_shift_keys[c]; 950 else 951 key = kbdmap->shift_keys[c]; 952 } 953 else if (kbd_modifier & KBD_MOD_ALT) 954 key = kbdmap->alt_keys[c]; 955 else { 956 key = kbdmap->keys[c]; 957 /* 958 * If CAPS and key is CAPable (no pun intended) 959 */ 960 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 961 key = kbdmap->shift_keys[c]; 962 } 963 code = key.code; 964 965 /* 966 * Arrange to repeat the keystroke. By doing this at the level 967 * of scan-codes, we can have function keys, and keys that 968 * send strings, repeat too. This also entitles an additional 969 * overhead, since we have to do the conversion each time, but 970 * I guess that's ok. 971 */ 972 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 973 tout_pending = 1; 974 last_char = c; 975 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100, 976 repeat_handler, NULL); 977 } else if (!tout_pending && caller==ITEFILT_REPEATER && 978 kbd_ite->key_repeat) { 979 tout_pending = 1; 980 last_char = c; 981 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100, 982 repeat_handler, NULL); 983 } 984 /* handle dead keys */ 985 if (key.mode & KBD_MODE_DEAD) { 986 /* if entered twice, send accent itself */ 987 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 988 last_dead = 0; 989 else { 990 last_dead = key.mode & KBD_MODE_ACCMASK; 991 splx(s); 992 return; 993 } 994 } 995 if (last_dead) { 996 /* can't apply dead flag to string-keys */ 997 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 998 code < 0x7f) 999 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 1000 last_dead = 0; 1001 } 1002 1003 /* 1004 * If not string, apply CTRL modifiers 1005 */ 1006 if (!(key.mode & KBD_MODE_STRING) && 1007 (!(key.mode & KBD_MODE_KPAD) || 1008 (kbd_ite && !kbd_ite->keypad_appmode))) { 1009 if (kbd_modifier & KBD_MOD_CTRL) 1010 code &= 0x1f; 1011 } else if ((key.mode & KBD_MODE_KPAD) && 1012 (kbd_ite && kbd_ite->keypad_appmode)) { 1013 static const char * const in = "0123456789-+.\r()/*"; 1014 static const char * const out = "pqrstuvwxymlnMPQRS"; 1015 char *cp = strchr(in, code); 1016 1017 /* 1018 * keypad-appmode sends SS3 followed by the above 1019 * translated character 1020 */ 1021 kbd_tty->t_linesw->l_rint(27, kbd_tty); 1022 kbd_tty->t_linesw->l_rint('O', kbd_tty); 1023 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty); 1024 splx(s); 1025 return; 1026 } else { 1027 /* *NO* I don't like this.... */ 1028 static u_char app_cursor[] = 1029 { 1030 3, 27, 'O', 'A', 1031 3, 27, 'O', 'B', 1032 3, 27, 'O', 'C', 1033 3, 27, 'O', 'D'}; 1034 1035 str = kbdmap->strings + code; 1036 /* 1037 * if this is a cursor key, AND it has the default 1038 * keymap setting, AND we're in app-cursor mode, switch 1039 * to the above table. This is *nasty* ! 1040 */ 1041 if (((c == 0x48) || (c == 0x4b) ||(c == 0x4d) || (c == 0x50)) && 1042 kbd_ite->cursor_appmode && 1043 !memcmp(str, "\x03\x1b[", 3) && 1044 strchr("ABCD", str[3])) 1045 str = app_cursor + 4 * (str[3] - 'A'); 1046 1047 /* 1048 * using a length-byte instead of 0-termination allows 1049 * to embed \0 into strings, although this is not used 1050 * in the default keymap 1051 */ 1052 for (i = *str++; i; i--) 1053 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1054 splx(s); 1055 return; 1056 } 1057 kbd_tty->t_linesw->l_rint(code, kbd_tty); 1058 1059 splx(s); 1060 return; 1061 } 1062 1063 /* helper functions, makes the code below more readable */ 1064 static inline void 1065 ite_sendstr(const char *str) 1066 { 1067 struct tty *kbd_tty; 1068 1069 kbd_tty = kbd_ite->tp; 1070 KDASSERT(kbd_tty); 1071 while (*str) 1072 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1073 } 1074 1075 static void 1076 alignment_display(struct ite_softc *sc) 1077 { 1078 int i, j; 1079 1080 for (j = 0; j < sc->rows; j++) 1081 for (i = 0; i < sc->cols; i++) 1082 SUBR_PUTC(sc, 'E', j, i, ATTR_NOR); 1083 attrclr(sc, 0, 0, sc->rows, sc->cols); 1084 SUBR_CURSOR(sc, DRAW_CURSOR); 1085 } 1086 1087 static inline void 1088 snap_cury(struct ite_softc *sc) 1089 { 1090 if (sc->inside_margins) 1091 { 1092 if (sc->cury < sc->top_margin) 1093 sc->cury = sc->top_margin; 1094 if (sc->cury > sc->bottom_margin) 1095 sc->cury = sc->bottom_margin; 1096 } 1097 } 1098 1099 static inline void 1100 ite_dnchar(struct ite_softc *sc, int n) 1101 { 1102 n = uimin(n, sc->cols - sc->curx); 1103 if (n < sc->cols - sc->curx) 1104 { 1105 SUBR_SCROLL(sc, sc->cury, sc->curx + n, n, SCROLL_LEFT); 1106 attrmov(sc, sc->cury, sc->curx + n, sc->cury, sc->curx, 1107 1, sc->cols - sc->curx - n); 1108 attrclr(sc, sc->cury, sc->cols - n, 1, n); 1109 } 1110 while (n-- > 0) 1111 SUBR_PUTC(sc, ' ', sc->cury, sc->cols - n - 1, ATTR_NOR); 1112 SUBR_CURSOR(sc, DRAW_CURSOR); 1113 } 1114 1115 static inline void 1116 ite_inchar(struct ite_softc *sc, int n) 1117 { 1118 n = uimin(n, sc->cols - sc->curx); 1119 if (n < sc->cols - sc->curx) 1120 { 1121 SUBR_SCROLL(sc, sc->cury, sc->curx, n, SCROLL_RIGHT); 1122 attrmov(sc, sc->cury, sc->curx, sc->cury, sc->curx + n, 1123 1, sc->cols - sc->curx - n); 1124 attrclr(sc, sc->cury, sc->curx, 1, n); 1125 } 1126 while (n--) 1127 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR); 1128 SUBR_CURSOR(sc, DRAW_CURSOR); 1129 } 1130 1131 static inline void 1132 ite_clrtoeol(struct ite_softc *sc) 1133 { 1134 int y = sc->cury, x = sc->curx; 1135 if (sc->cols - x > 0) 1136 { 1137 SUBR_CLEAR(sc, y, x, 1, sc->cols - x); 1138 attrclr(sc, y, x, 1, sc->cols - x); 1139 SUBR_CURSOR(sc, DRAW_CURSOR); 1140 } 1141 } 1142 1143 static inline void 1144 ite_clrtobol(struct ite_softc *sc) 1145 { 1146 int y = sc->cury, x = uimin(sc->curx + 1, sc->cols); 1147 SUBR_CLEAR(sc, y, 0, 1, x); 1148 attrclr(sc, y, 0, 1, x); 1149 SUBR_CURSOR(sc, DRAW_CURSOR); 1150 } 1151 1152 static inline void 1153 ite_clrline(struct ite_softc *sc) 1154 { 1155 int y = sc->cury; 1156 SUBR_CLEAR(sc, y, 0, 1, sc->cols); 1157 attrclr(sc, y, 0, 1, sc->cols); 1158 SUBR_CURSOR(sc, DRAW_CURSOR); 1159 } 1160 1161 1162 1163 static inline void 1164 ite_clrtoeos(struct ite_softc *sc) 1165 { 1166 ite_clrtoeol(sc); 1167 if (sc->cury < sc->rows - 1) 1168 { 1169 SUBR_CLEAR(sc, sc->cury + 1, 0, sc->rows - 1 - sc->cury, sc->cols); 1170 attrclr(sc, sc->cury, 0, sc->rows - sc->cury, sc->cols); 1171 SUBR_CURSOR(sc, DRAW_CURSOR); 1172 } 1173 } 1174 1175 static inline void 1176 ite_clrtobos(struct ite_softc *sc) 1177 { 1178 ite_clrtobol(sc); 1179 if (sc->cury > 0) 1180 { 1181 SUBR_CLEAR(sc, 0, 0, sc->cury, sc->cols); 1182 attrclr(sc, 0, 0, sc->cury, sc->cols); 1183 SUBR_CURSOR(sc, DRAW_CURSOR); 1184 } 1185 } 1186 1187 static inline void 1188 ite_clrscreen(struct ite_softc *sc) 1189 { 1190 SUBR_CLEAR(sc, 0, 0, sc->rows, sc->cols); 1191 attrclr(sc, 0, 0, sc->rows, sc->cols); 1192 SUBR_CURSOR(sc, DRAW_CURSOR); 1193 } 1194 1195 1196 1197 static inline void 1198 ite_dnline(struct ite_softc *sc, int n) 1199 { 1200 /* interesting.. if the cursor is outside the scrolling 1201 region, this command is simply ignored.. */ 1202 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin) 1203 return; 1204 1205 n = uimin(n, sc->bottom_margin + 1 - sc->cury); 1206 if (n <= sc->bottom_margin - sc->cury) 1207 { 1208 SUBR_SCROLL(sc, sc->cury + n, 0, n, SCROLL_UP); 1209 attrmov(sc, sc->cury + n, 0, sc->cury, 0, 1210 sc->bottom_margin + 1 - sc->cury - n, sc->cols); 1211 } 1212 SUBR_CLEAR(sc, sc->bottom_margin - n + 1, 0, n, sc->cols); 1213 attrclr(sc, sc->bottom_margin - n + 1, 0, n, sc->cols); 1214 SUBR_CURSOR(sc, DRAW_CURSOR); 1215 } 1216 1217 static inline void 1218 ite_inline(struct ite_softc *sc, int n) 1219 { 1220 /* interesting.. if the cursor is outside the scrolling 1221 region, this command is simply ignored.. */ 1222 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin) 1223 return; 1224 1225 n = uimin(n, sc->bottom_margin + 1 - sc->cury); 1226 if (n <= sc->bottom_margin - sc->cury) 1227 { 1228 SUBR_SCROLL(sc, sc->cury, 0, n, SCROLL_DOWN); 1229 attrmov(sc, sc->cury, 0, sc->cury + n, 0, 1230 sc->bottom_margin + 1 - sc->cury - n, sc->cols); 1231 } 1232 SUBR_CLEAR(sc, sc->cury, 0, n, sc->cols); 1233 attrclr(sc, sc->cury, 0, n, sc->cols); 1234 SUBR_CURSOR(sc, DRAW_CURSOR); 1235 } 1236 1237 static inline void 1238 ite_lf (struct ite_softc *sc) 1239 { 1240 ++sc->cury; 1241 if ((sc->cury == sc->bottom_margin+1) || (sc->cury == sc->rows)) 1242 { 1243 sc->cury--; 1244 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP); 1245 ite_clrline(sc); 1246 } 1247 SUBR_CURSOR(sc, MOVE_CURSOR); 1248 clr_attr(sc, ATTR_INV); 1249 } 1250 1251 static inline void 1252 ite_crlf (struct ite_softc *sc) 1253 { 1254 sc->curx = 0; 1255 ite_lf (sc); 1256 } 1257 1258 static inline void 1259 ite_cr (struct ite_softc *sc) 1260 { 1261 if (sc->curx) 1262 { 1263 sc->curx = 0; 1264 SUBR_CURSOR(sc, MOVE_CURSOR); 1265 } 1266 } 1267 1268 static inline void 1269 ite_rlf (struct ite_softc *sc) 1270 { 1271 sc->cury--; 1272 if ((sc->cury < 0) || (sc->cury == sc->top_margin - 1)) 1273 { 1274 sc->cury++; 1275 SUBR_SCROLL(sc, sc->top_margin, 0, 1, SCROLL_DOWN); 1276 ite_clrline(sc); 1277 } 1278 SUBR_CURSOR(sc, MOVE_CURSOR); 1279 clr_attr(sc, ATTR_INV); 1280 } 1281 1282 static inline int 1283 atoi (const char *cp) 1284 { 1285 int n; 1286 1287 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1288 n = n * 10 + *cp - '0'; 1289 1290 return n; 1291 } 1292 1293 static inline int 1294 ite_argnum (struct ite_softc *sc) 1295 { 1296 char ch; 1297 int n; 1298 1299 /* convert argument string into number */ 1300 if (sc->ap == sc->argbuf) 1301 return 1; 1302 ch = *sc->ap; 1303 *sc->ap = 0; 1304 n = atoi (sc->argbuf); 1305 *sc->ap = ch; 1306 1307 return n; 1308 } 1309 1310 static inline int 1311 ite_zargnum (struct ite_softc *sc) 1312 { 1313 char ch; 1314 int n; 1315 1316 /* convert argument string into number */ 1317 if (sc->ap == sc->argbuf) 1318 return 0; 1319 ch = *sc->ap; 1320 *sc->ap = 0; 1321 n = atoi (sc->argbuf); 1322 *sc->ap = ch; 1323 1324 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1325 } 1326 1327 void 1328 ite_putstr(const u_char *s, int len, dev_t dev) 1329 { 1330 struct ite_softc *sc; 1331 int i; 1332 1333 sc = getitesp(dev); 1334 1335 /* XXX avoid problems */ 1336 if ((sc->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1337 return; 1338 1339 SUBR_CURSOR(sc, START_CURSOROPT); 1340 for (i = 0; i < len; i++) 1341 if (s[i]) 1342 iteputchar(s[i], sc); 1343 SUBR_CURSOR(sc, END_CURSOROPT); 1344 } 1345 1346 1347 void 1348 iteputchar(register int c, struct ite_softc *sc) 1349 { 1350 struct tty *kbd_tty; 1351 int n, x, y; 1352 char *cp; 1353 1354 if (kbd_ite == NULL) 1355 kbd_tty = NULL; 1356 else 1357 kbd_tty = kbd_ite->tp; 1358 1359 if (sc->escape) 1360 { 1361 switch (sc->escape) 1362 { 1363 case ESC: 1364 switch (c) 1365 { 1366 /* first 7bit equivalents for the 8bit control characters */ 1367 1368 case 'D': 1369 c = IND; 1370 sc->escape = 0; 1371 break; /* and fall into the next switch below (same for all `break') */ 1372 1373 case 'E': 1374 c = NEL; 1375 sc->escape = 0; 1376 break; 1377 1378 case 'H': 1379 c = HTS; 1380 sc->escape = 0; 1381 break; 1382 1383 case 'M': 1384 c = RI; 1385 sc->escape = 0; 1386 break; 1387 1388 case 'N': 1389 c = SS2; 1390 sc->escape = 0; 1391 break; 1392 1393 case 'O': 1394 c = SS3; 1395 sc->escape = 0; 1396 break; 1397 1398 case 'P': 1399 c = DCS; 1400 sc->escape = 0; 1401 break; 1402 1403 case '[': 1404 c = CSI; 1405 sc->escape = 0; 1406 break; 1407 1408 case '\\': 1409 c = ST; 1410 sc->escape = 0; 1411 break; 1412 1413 case ']': 1414 c = OSC; 1415 sc->escape = 0; 1416 break; 1417 1418 case '^': 1419 c = PM; 1420 sc->escape = 0; 1421 break; 1422 1423 case '_': 1424 c = APC; 1425 sc->escape = 0; 1426 break; 1427 1428 1429 /* introduces 7/8bit control */ 1430 case ' ': 1431 /* can be followed by either F or G */ 1432 sc->escape = ' '; 1433 break; 1434 1435 1436 /* a lot of character set selections, not yet used... 1437 94-character sets: */ 1438 case '(': /* G0 */ 1439 case ')': /* G1 */ 1440 sc->escape = c; 1441 return; 1442 1443 case '*': /* G2 */ 1444 case '+': /* G3 */ 1445 case 'B': /* ASCII */ 1446 case 'A': /* ISO latin 1 */ 1447 case '<': /* user preferred suplemental */ 1448 case '0': /* dec special graphics */ 1449 1450 /* 96-character sets: */ 1451 case '-': /* G1 */ 1452 case '.': /* G2 */ 1453 case '/': /* G3 */ 1454 1455 /* national character sets: */ 1456 case '4': /* dutch */ 1457 case '5': 1458 case 'C': /* finnish */ 1459 case 'R': /* french */ 1460 case 'Q': /* french canadian */ 1461 case 'K': /* german */ 1462 case 'Y': /* italian */ 1463 case '6': /* norwegian/danish */ 1464 /* note: %5 and %6 are not supported (two chars..) */ 1465 1466 sc->escape = 0; 1467 /* just ignore for now */ 1468 return; 1469 1470 1471 /* locking shift modes (as you might guess, not yet supported..) */ 1472 case '`': 1473 sc->GR = sc->G1; 1474 sc->escape = 0; 1475 return; 1476 1477 case 'n': 1478 sc->GL = sc->G2; 1479 sc->escape = 0; 1480 return; 1481 1482 case '}': 1483 sc->GR = sc->G2; 1484 sc->escape = 0; 1485 return; 1486 1487 case 'o': 1488 sc->GL = sc->G3; 1489 sc->escape = 0; 1490 return; 1491 1492 case '|': 1493 sc->GR = sc->G3; 1494 sc->escape = 0; 1495 return; 1496 1497 1498 /* font width/height control */ 1499 case '#': 1500 sc->escape = '#'; 1501 return; 1502 1503 1504 /* hard terminal reset .. */ 1505 case 'c': 1506 ite_reset (sc); 1507 SUBR_CURSOR(sc, MOVE_CURSOR); 1508 sc->escape = 0; 1509 return; 1510 1511 1512 case '7': 1513 sc->save_curx = sc->curx; 1514 sc->save_cury = sc->cury; 1515 sc->save_attribute = sc->attribute; 1516 sc->escape = 0; 1517 return; 1518 1519 case '8': 1520 sc->curx = sc->save_curx; 1521 sc->cury = sc->save_cury; 1522 sc->attribute = sc->save_attribute; 1523 SUBR_CURSOR(sc, MOVE_CURSOR); 1524 sc->escape = 0; 1525 return; 1526 1527 case '=': 1528 sc->keypad_appmode = 1; 1529 sc->escape = 0; 1530 return; 1531 1532 case '>': 1533 sc->keypad_appmode = 0; 1534 sc->escape = 0; 1535 return; 1536 1537 case 'Z': /* request ID */ 1538 if (sc->emul_level == EMUL_VT100) 1539 ite_sendstr ("\033[?61;0c"); /* XXX not clean */ 1540 else 1541 ite_sendstr ("\033[?63;0c"); /* XXX not clean */ 1542 sc->escape = 0; 1543 return; 1544 1545 /* default catch all for not recognized ESC sequences */ 1546 default: 1547 sc->escape = 0; 1548 return; 1549 } 1550 break; 1551 1552 1553 case '(': 1554 case ')': 1555 sc->escape = 0; 1556 return; 1557 1558 1559 case ' ': 1560 switch (c) 1561 { 1562 case 'F': 1563 sc->eightbit_C1 = 0; 1564 sc->escape = 0; 1565 return; 1566 1567 case 'G': 1568 sc->eightbit_C1 = 1; 1569 sc->escape = 0; 1570 return; 1571 1572 default: 1573 /* not supported */ 1574 sc->escape = 0; 1575 return; 1576 } 1577 break; 1578 1579 1580 case '#': 1581 switch (c) 1582 { 1583 case '5': 1584 /* single height, single width */ 1585 sc->escape = 0; 1586 return; 1587 1588 case '6': 1589 /* double width, single height */ 1590 sc->escape = 0; 1591 return; 1592 1593 case '3': 1594 /* top half */ 1595 sc->escape = 0; 1596 return; 1597 1598 case '4': 1599 /* bottom half */ 1600 sc->escape = 0; 1601 return; 1602 1603 case '8': 1604 /* screen alignment pattern... */ 1605 alignment_display (sc); 1606 sc->escape = 0; 1607 return; 1608 1609 default: 1610 sc->escape = 0; 1611 return; 1612 } 1613 break; 1614 1615 1616 1617 case CSI: 1618 /* the biggie... */ 1619 switch (c) 1620 { 1621 case '0': case '1': case '2': case '3': case '4': 1622 case '5': case '6': case '7': case '8': case '9': 1623 case ';': case '\"': case '$': case '>': 1624 if (sc->ap < sc->argbuf + MAX_ARGSIZE) 1625 *sc->ap++ = c; 1626 return; 1627 1628 case BS: 1629 /* you wouldn't believe such perversion is possible? 1630 it is.. BS is allowed in between cursor sequences 1631 (at least), according to vttest.. */ 1632 if (--sc->curx < 0) 1633 sc->curx = 0; 1634 else 1635 SUBR_CURSOR(sc, MOVE_CURSOR); 1636 break; 1637 1638 case 'p': 1639 *sc->ap = 0; 1640 if (! strncmp (sc->argbuf, "61\"", 3)) 1641 sc->emul_level = EMUL_VT100; 1642 else if (! strncmp (sc->argbuf, "63;1\"", 5) 1643 || ! strncmp (sc->argbuf, "62;1\"", 5)) 1644 sc->emul_level = EMUL_VT300_7; 1645 else 1646 sc->emul_level = EMUL_VT300_8; 1647 sc->escape = 0; 1648 return; 1649 1650 1651 case '?': 1652 *sc->ap = 0; 1653 sc->escape = '?'; 1654 sc->ap = sc->argbuf; 1655 return; 1656 1657 1658 case 'c': 1659 *sc->ap = 0; 1660 if (sc->argbuf[0] == '>') 1661 { 1662 ite_sendstr ("\033[>24;0;0;0c"); 1663 } 1664 else switch (ite_zargnum(sc)) 1665 { 1666 case 0: 1667 /* primary DA request, send primary DA response */ 1668 if (sc->emul_level == EMUL_VT100) 1669 ite_sendstr ("\033[?1;1c"); 1670 else 1671 ite_sendstr ("\033[?63;1c"); 1672 break; 1673 } 1674 sc->escape = 0; 1675 return; 1676 1677 case 'n': 1678 switch (ite_zargnum(sc)) 1679 { 1680 case 5: 1681 ite_sendstr ("\033[0n"); /* no malfunction */ 1682 break; 1683 case 6: 1684 /* cursor position report */ 1685 snprintf (sc->argbuf, sizeof(sc->argbuf), "\033[%d;%dR", 1686 sc->cury + 1, sc->curx + 1); 1687 ite_sendstr (sc->argbuf); 1688 break; 1689 } 1690 sc->escape = 0; 1691 return; 1692 1693 1694 case 'x': 1695 switch (ite_zargnum(sc)) 1696 { 1697 case 0: 1698 /* Fake some terminal parameters. */ 1699 ite_sendstr ("\033[2;1;1;112;112;1;0x"); 1700 break; 1701 case 1: 1702 ite_sendstr ("\033[3;1;1;112;112;1;0x"); 1703 break; 1704 } 1705 sc->escape = 0; 1706 return; 1707 1708 1709 case 'g': 1710 switch (ite_zargnum(sc)) 1711 { 1712 case 0: 1713 if (sc->curx < sc->cols) 1714 sc->tabs[sc->curx] = 0; 1715 break; 1716 case 3: 1717 for (n = 0; n < sc->cols; n++) 1718 sc->tabs[n] = 0; 1719 break; 1720 } 1721 sc->escape = 0; 1722 return; 1723 1724 1725 case 'h': case 'l': 1726 n = ite_zargnum (sc); 1727 switch (n) 1728 { 1729 case 4: 1730 sc->imode = (c == 'h'); /* insert/replace mode */ 1731 break; 1732 case 20: 1733 sc->linefeed_newline = (c == 'h'); 1734 break; 1735 } 1736 sc->escape = 0; 1737 return; 1738 1739 1740 case 'M': 1741 ite_dnline (sc, ite_argnum (sc)); 1742 sc->escape = 0; 1743 return; 1744 1745 1746 case 'L': 1747 ite_inline (sc, ite_argnum (sc)); 1748 sc->escape = 0; 1749 return; 1750 1751 1752 case 'P': 1753 ite_dnchar (sc, ite_argnum (sc)); 1754 sc->escape = 0; 1755 return; 1756 1757 1758 case '@': 1759 ite_inchar (sc, ite_argnum (sc)); 1760 sc->escape = 0; 1761 return; 1762 1763 1764 case 'G': 1765 /* this one was *not* in my vt320 manual but in 1766 a vt320 termcap entry.. who is right? 1767 It's supposed to set the horizontal cursor position. */ 1768 *sc->ap = 0; 1769 x = atoi (sc->argbuf); 1770 if (x) x--; 1771 sc->curx = uimin(x, sc->cols - 1); 1772 sc->escape = 0; 1773 SUBR_CURSOR(sc, MOVE_CURSOR); 1774 clr_attr (sc, ATTR_INV); 1775 return; 1776 1777 1778 case 'd': 1779 /* same thing here, this one's for setting the absolute 1780 vertical cursor position. Not documented... */ 1781 *sc->ap = 0; 1782 y = atoi (sc->argbuf); 1783 if (y) y--; 1784 if (sc->inside_margins) 1785 y += sc->top_margin; 1786 sc->cury = uimin(y, sc->rows - 1); 1787 sc->escape = 0; 1788 snap_cury(sc); 1789 SUBR_CURSOR(sc, MOVE_CURSOR); 1790 clr_attr (sc, ATTR_INV); 1791 return; 1792 1793 1794 case 'H': 1795 case 'f': 1796 *sc->ap = 0; 1797 y = atoi (sc->argbuf); 1798 x = 0; 1799 cp = strchr(sc->argbuf, ';'); 1800 if (cp) 1801 x = atoi (cp + 1); 1802 if (x) x--; 1803 if (y) y--; 1804 if (sc->inside_margins) 1805 y += sc->top_margin; 1806 sc->cury = uimin(y, sc->rows - 1); 1807 sc->curx = uimin(x, sc->cols - 1); 1808 sc->escape = 0; 1809 snap_cury(sc); 1810 SUBR_CURSOR(sc, MOVE_CURSOR); 1811 clr_attr (sc, ATTR_INV); 1812 return; 1813 1814 case 'A': 1815 n = ite_argnum (sc); 1816 n = sc->cury - (n ? n : 1); 1817 if (n < 0) n = 0; 1818 if (sc->inside_margins) 1819 n = uimax(sc->top_margin, n); 1820 else if (n == sc->top_margin - 1) 1821 /* allow scrolling outside region, but don't scroll out 1822 of active region without explicit CUP */ 1823 n = sc->top_margin; 1824 sc->cury = n; 1825 sc->escape = 0; 1826 SUBR_CURSOR(sc, MOVE_CURSOR); 1827 clr_attr (sc, ATTR_INV); 1828 return; 1829 1830 case 'B': 1831 n = ite_argnum (sc); 1832 n = sc->cury + (n ? n : 1); 1833 n = uimin(sc->rows - 1, n); 1834 if (sc->inside_margins) 1835 n = uimin(sc->bottom_margin, n); 1836 else if (n == sc->bottom_margin + 1) 1837 /* allow scrolling outside region, but don't scroll out 1838 of active region without explicit CUP */ 1839 n = sc->bottom_margin; 1840 sc->cury = n; 1841 sc->escape = 0; 1842 SUBR_CURSOR(sc, MOVE_CURSOR); 1843 clr_attr (sc, ATTR_INV); 1844 return; 1845 1846 case 'C': 1847 n = ite_argnum (sc); 1848 n = n ? n : 1; 1849 sc->curx = uimin(sc->curx + n, sc->cols - 1); 1850 sc->escape = 0; 1851 SUBR_CURSOR(sc, MOVE_CURSOR); 1852 clr_attr (sc, ATTR_INV); 1853 return; 1854 1855 case 'D': 1856 n = ite_argnum (sc); 1857 n = n ? n : 1; 1858 n = sc->curx - n; 1859 sc->curx = n >= 0 ? n : 0; 1860 sc->escape = 0; 1861 SUBR_CURSOR(sc, MOVE_CURSOR); 1862 clr_attr (sc, ATTR_INV); 1863 return; 1864 1865 1866 1867 1868 case 'J': 1869 *sc->ap = 0; 1870 n = ite_zargnum (sc); 1871 if (n == 0) 1872 ite_clrtoeos(sc); 1873 else if (n == 1) 1874 ite_clrtobos(sc); 1875 else if (n == 2) 1876 ite_clrscreen(sc); 1877 sc->escape = 0; 1878 return; 1879 1880 1881 case 'K': 1882 n = ite_zargnum (sc); 1883 if (n == 0) 1884 ite_clrtoeol(sc); 1885 else if (n == 1) 1886 ite_clrtobol(sc); 1887 else if (n == 2) 1888 ite_clrline(sc); 1889 sc->escape = 0; 1890 return; 1891 1892 1893 case 'X': 1894 n = ite_argnum(sc) - 1; 1895 n = uimin(n, sc->cols - 1 - sc->curx); 1896 for (; n >= 0; n--) 1897 { 1898 attrclr(sc, sc->cury, sc->curx + n, 1, 1); 1899 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR); 1900 } 1901 sc->escape = 0; 1902 return; 1903 1904 1905 case '}': case '`': 1906 /* status line control */ 1907 sc->escape = 0; 1908 return; 1909 1910 1911 case 'r': 1912 *sc->ap = 0; 1913 x = atoi (sc->argbuf); 1914 x = x ? x : 1; 1915 y = sc->rows; 1916 cp = strchr(sc->argbuf, ';'); 1917 if (cp) 1918 { 1919 y = atoi (cp + 1); 1920 y = y ? y : sc->rows; 1921 } 1922 if (y - x < 2) 1923 { 1924 /* if illegal scrolling region, reset to defaults */ 1925 x = 1; 1926 y = sc->rows; 1927 } 1928 x--; 1929 y--; 1930 sc->top_margin = uimin(x, sc->rows - 1); 1931 sc->bottom_margin = uimin(y, sc->rows - 1); 1932 if (sc->inside_margins) 1933 { 1934 sc->cury = sc->top_margin; 1935 sc->curx = 0; 1936 SUBR_CURSOR(sc, MOVE_CURSOR); 1937 } 1938 sc->escape = 0; 1939 return; 1940 1941 1942 case 'm': 1943 /* big attribute setter/resetter */ 1944 { 1945 char *chp; 1946 *sc->ap = 0; 1947 /* kludge to make CSIm work (== CSI0m) */ 1948 if (sc->ap == sc->argbuf) 1949 sc->ap++; 1950 for (chp = sc->argbuf; chp < sc->ap; ) 1951 { 1952 switch (*chp) 1953 { 1954 case 0: 1955 case '0': 1956 clr_attr (sc, ATTR_ALL); 1957 chp++; 1958 break; 1959 1960 case '1': 1961 set_attr (sc, ATTR_BOLD); 1962 chp++; 1963 break; 1964 1965 case '2': 1966 switch (chp[1]) 1967 { 1968 case '2': 1969 clr_attr (sc, ATTR_BOLD); 1970 chp += 2; 1971 break; 1972 1973 case '4': 1974 clr_attr (sc, ATTR_UL); 1975 chp += 2; 1976 break; 1977 1978 case '5': 1979 clr_attr (sc, ATTR_BLINK); 1980 chp += 2; 1981 break; 1982 1983 case '7': 1984 clr_attr (sc, ATTR_INV); 1985 chp += 2; 1986 break; 1987 1988 default: 1989 chp++; 1990 break; 1991 } 1992 break; 1993 1994 case '4': 1995 set_attr (sc, ATTR_UL); 1996 chp++; 1997 break; 1998 1999 case '5': 2000 set_attr (sc, ATTR_BLINK); 2001 chp++; 2002 break; 2003 2004 case '7': 2005 set_attr (sc, ATTR_INV); 2006 chp++; 2007 break; 2008 2009 default: 2010 chp++; 2011 break; 2012 } 2013 } 2014 2015 } 2016 sc->escape = 0; 2017 return; 2018 2019 2020 case 'u': 2021 /* DECRQTSR */ 2022 ite_sendstr ("\033P\033\\"); 2023 sc->escape = 0; 2024 return; 2025 2026 2027 2028 default: 2029 sc->escape = 0; 2030 return; 2031 } 2032 break; 2033 2034 2035 2036 case '?': /* CSI ? */ 2037 switch (c) 2038 { 2039 case '0': case '1': case '2': case '3': case '4': 2040 case '5': case '6': case '7': case '8': case '9': 2041 case ';': case '\"': case '$': 2042 /* Don't fill the last character; it's needed. */ 2043 /* XXX yeah, where ?? */ 2044 if (sc->ap < sc->argbuf + MAX_ARGSIZE - 1) 2045 *sc->ap++ = c; 2046 return; 2047 2048 2049 case 'n': 2050 *sc->ap = 0; 2051 if (sc->ap == &sc->argbuf[2]) 2052 { 2053 if (! strncmp (sc->argbuf, "15", 2)) 2054 /* printer status: no printer */ 2055 ite_sendstr ("\033[13n"); 2056 2057 else if (! strncmp (sc->argbuf, "25", 2)) 2058 /* udk status */ 2059 ite_sendstr ("\033[20n"); 2060 2061 else if (! strncmp (sc->argbuf, "26", 2)) 2062 /* keyboard dialect: US */ 2063 ite_sendstr ("\033[27;1n"); 2064 } 2065 sc->escape = 0; 2066 return; 2067 2068 2069 case 'h': case 'l': 2070 n = ite_zargnum (sc); 2071 switch (n) 2072 { 2073 case 1: 2074 sc->cursor_appmode = (c == 'h'); 2075 break; 2076 2077 case 3: 2078 /* 132/80 columns (132 == 'h') */ 2079 break; 2080 2081 case 4: /* smooth scroll */ 2082 break; 2083 2084 case 5: 2085 /* light background (=='h') /dark background(=='l') */ 2086 break; 2087 2088 case 6: /* origin mode */ 2089 sc->inside_margins = (c == 'h'); 2090 sc->curx = 0; 2091 sc->cury = sc->inside_margins ? sc->top_margin : 0; 2092 SUBR_CURSOR(sc, MOVE_CURSOR); 2093 break; 2094 2095 case 7: /* auto wraparound */ 2096 sc->auto_wrap = (c == 'h'); 2097 break; 2098 2099 case 8: /* keyboard repeat */ 2100 sc->key_repeat = (c == 'h'); 2101 break; 2102 2103 case 20: /* newline mode */ 2104 sc->linefeed_newline = (c == 'h'); 2105 break; 2106 2107 case 25: /* cursor on/off */ 2108 SUBR_CURSOR(sc, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR); 2109 break; 2110 } 2111 sc->escape = 0; 2112 return; 2113 2114 default: 2115 sc->escape = 0; 2116 return; 2117 } 2118 break; 2119 2120 2121 default: 2122 sc->escape = 0; 2123 return; 2124 } 2125 } 2126 2127 switch (c) { 2128 2129 case VT: /* VT is treated like LF */ 2130 case FF: /* so is FF */ 2131 case LF: 2132 /* cr->crlf distinction is done here, on output, 2133 not on input! */ 2134 if (sc->linefeed_newline) 2135 ite_crlf (sc); 2136 else 2137 ite_lf (sc); 2138 break; 2139 2140 case CR: 2141 ite_cr (sc); 2142 break; 2143 2144 case BS: 2145 if (--sc->curx < 0) 2146 sc->curx = 0; 2147 else 2148 SUBR_CURSOR(sc, MOVE_CURSOR); 2149 break; 2150 2151 case HT: 2152 for (n = sc->curx + 1; n < sc->cols; n++) { 2153 if (sc->tabs[n]) { 2154 sc->curx = n; 2155 SUBR_CURSOR(sc, MOVE_CURSOR); 2156 break; 2157 } 2158 } 2159 break; 2160 2161 case BEL: 2162 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty) 2163 kbdbell(); 2164 break; 2165 2166 case SO: 2167 sc->GL = sc->G1; 2168 break; 2169 2170 case SI: 2171 sc->GL = sc->G0; 2172 break; 2173 2174 case ENQ: 2175 /* send answer-back message !! */ 2176 break; 2177 2178 case CAN: 2179 sc->escape = 0; /* cancel any escape sequence in progress */ 2180 break; 2181 2182 case SUB: 2183 sc->escape = 0; /* dito, but see below */ 2184 /* should also display a reverse question mark!! */ 2185 break; 2186 2187 case ESC: 2188 sc->escape = ESC; 2189 break; 2190 2191 2192 /* now it gets weird.. 8bit control sequences.. */ 2193 case IND: /* index: move cursor down, scroll */ 2194 ite_lf (sc); 2195 break; 2196 2197 case NEL: /* next line. next line, first pos. */ 2198 ite_crlf (sc); 2199 break; 2200 2201 case HTS: /* set horizontal tab */ 2202 if (sc->curx < sc->cols) 2203 sc->tabs[sc->curx] = 1; 2204 break; 2205 2206 case RI: /* reverse index */ 2207 ite_rlf (sc); 2208 break; 2209 2210 case SS2: /* go into G2 for one character */ 2211 /* not yet supported */ 2212 break; 2213 2214 case SS3: /* go into G3 for one character */ 2215 break; 2216 2217 case DCS: /* device control string introducer */ 2218 sc->escape = DCS; 2219 sc->ap = sc->argbuf; 2220 break; 2221 2222 case CSI: /* control sequence introducer */ 2223 sc->escape = CSI; 2224 sc->ap = sc->argbuf; 2225 break; 2226 2227 case ST: /* string terminator */ 2228 /* ignore, if not used as terminator */ 2229 break; 2230 2231 case OSC: /* introduces OS command. Ignore everything upto ST */ 2232 sc->escape = OSC; 2233 break; 2234 2235 case PM: /* privacy message, ignore everything upto ST */ 2236 sc->escape = PM; 2237 break; 2238 2239 case APC: /* application program command, ignore everything upto ST */ 2240 sc->escape = APC; 2241 break; 2242 2243 default: 2244 if (c < ' ' || c == DEL) 2245 break; 2246 if (sc->imode) 2247 ite_inchar(sc, 1); 2248 iteprecheckwrap(sc); 2249 #ifdef DO_WEIRD_ATTRIBUTES 2250 if ((sc->attribute & ATTR_INV) || attrtest(sc, ATTR_INV)) { 2251 attrset(sc, ATTR_INV); 2252 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_INV); 2253 } 2254 else 2255 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_NOR); 2256 #else 2257 SUBR_PUTC(sc, c, sc->cury, sc->curx, sc->attribute); 2258 #endif 2259 SUBR_CURSOR(sc, DRAW_CURSOR); 2260 itecheckwrap(sc); 2261 break; 2262 } 2263 } 2264 2265 static void 2266 iteprecheckwrap(struct ite_softc *sc) 2267 { 2268 if (sc->auto_wrap && sc->curx == sc->cols) { 2269 sc->curx = 0; 2270 clr_attr(sc, ATTR_INV); 2271 if (++sc->cury >= sc->bottom_margin + 1) { 2272 sc->cury = sc->bottom_margin; 2273 SUBR_CURSOR(sc, MOVE_CURSOR); 2274 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP); 2275 ite_clrtoeol(sc); 2276 } else 2277 SUBR_CURSOR(sc, MOVE_CURSOR); 2278 } 2279 } 2280 2281 static void 2282 itecheckwrap(struct ite_softc *sc) 2283 { 2284 if (sc->curx < sc->cols) { 2285 sc->curx++; 2286 SUBR_CURSOR(sc, MOVE_CURSOR); 2287 } 2288 } 2289
Indexes created Thu Sep 25 16:09:42 GMT 2025