1 /* $NetBSD: ite.c,v 1.56 2001/05/02 10:32:12 scw 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. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah Hdr: ite.c 1.1 90/07/09 41 * @(#)ite.c 7.6 (Berkeley) 5/16/91 42 */ 43 44 /* 45 * ite - bitmaped terminal. 46 * Supports VT200, a few terminal features will be unavailable until 47 * the system actually probes the device (i.e. not after consinit()) 48 */ 49 50 #include "opt_ddb.h" 51 52 #include <sys/param.h> 53 #include <sys/kernel.h> 54 #include <sys/device.h> 55 #include <sys/fcntl.h> 56 #include <sys/malloc.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 <amiga/amiga/cc.h> 65 #include <amiga/amiga/color.h> /* DEBUG */ 66 #include <amiga/amiga/custom.h> /* DEBUG */ 67 #include <amiga/amiga/device.h> 68 #if defined(__m68k__) 69 #include <amiga/amiga/isr.h> 70 #endif 71 #include <amiga/dev/iteioctl.h> 72 #include <amiga/dev/itevar.h> 73 #include <amiga/dev/kbdmap.h> 74 #include <amiga/dev/grfioctl.h> 75 #include <amiga/dev/grfvar.h> 76 77 #include <machine/cpu.h> /* for is_draco() */ 78 79 #include <sys/conf.h> 80 #include <machine/conf.h> 81 82 #include "grfcc.h" 83 #include "ite.h" 84 85 /* 86 * XXX go ask sys/kern/tty.c:ttselect() 87 */ 88 89 #define ITEUNIT(dev) (minor(dev)) 90 91 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip) 92 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip) 93 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m) 94 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg) 95 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w) 96 #define SUBR_SCROLL(ip,sy,sx,count,dir) \ 97 (ip)->grf->g_itescroll(ip,sy,sx,count,dir) 98 99 u_int ite_confunits; /* configured units */ 100 101 int start_repeat_timeo = 30; /* first repeat after x s/100 */ 102 int next_repeat_timeo = 10; /* next repeat after x s/100 */ 103 104 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */ 105 106 struct ite_softc con_itesoftc; 107 u_char cons_tabs[MAX_TABS]; 108 109 struct ite_softc *kbd_ite; 110 111 /* audio bell stuff */ 112 u_int bvolume = 10; 113 u_int bpitch = 660; 114 u_int bmsec = 75; 115 116 static char *bsamplep; 117 static char sample[20] = { 118 0,39,75,103,121,127,121,103,75,39,0, 119 -39,-75,-103,-121,-127,-121,-103,-75,-39 120 }; 121 122 static char *index __P((const char *, char)); 123 void iteputchar __P((int c, struct ite_softc *ip)); 124 void ite_putstr __P((const char * s, int len, dev_t dev)); 125 void iteattach __P((struct device *, struct device *, void *)); 126 int itematch __P((struct device *, struct cfdata *, void *)); 127 static void iteprecheckwrap __P((struct ite_softc *)); 128 static void itecheckwrap __P((struct ite_softc *)); 129 struct ite_softc *getitesp __P((dev_t)); 130 void init_bell __P((void)); 131 void ite_bell __P((void)); 132 void itecnpollc __P((dev_t, int)); 133 static void repeat_handler __P((void *)); 134 inline static void ite_sendstr __P((char *)); 135 static void alignment_display __P((struct ite_softc *)); 136 inline static void snap_cury __P((struct ite_softc *)); 137 inline static void ite_dnchar __P((struct ite_softc *, int)); 138 inline static void ite_inchar __P((struct ite_softc *, int)); 139 inline static void ite_clrtoeol __P((struct ite_softc *)); 140 inline static void ite_clrtobol __P((struct ite_softc *)); 141 inline static void ite_clrline __P((struct ite_softc *)); 142 inline static void ite_clrtoeos __P((struct ite_softc *)); 143 inline static void ite_clrtobos __P((struct ite_softc *)); 144 inline static void ite_clrscreen __P((struct ite_softc *)); 145 inline static void ite_dnline __P((struct ite_softc *, int)); 146 inline static void ite_inline __P((struct ite_softc *, int)); 147 inline static void ite_lf __P((struct ite_softc *)); 148 inline static void ite_crlf __P((struct ite_softc *)); 149 inline static void ite_cr __P((struct ite_softc *)); 150 inline static void ite_rlf __P((struct ite_softc *)); 151 inline static int atoi __P((const char *)); 152 inline static int ite_argnum __P((struct ite_softc *)); 153 inline static int ite_zargnum __P((struct ite_softc *)); 154 155 struct cfattach ite_ca = { 156 sizeof(struct ite_softc), itematch, iteattach 157 }; 158 159 extern struct cfdriver ite_cd; 160 161 int 162 itematch(pdp, cfp, auxp) 163 struct device *pdp; 164 struct cfdata *cfp; 165 void *auxp; 166 { 167 struct grf_softc *gp; 168 int maj; 169 170 gp = auxp; 171 /* 172 * all that our mask allows (more than enough no one 173 * has > 32 monitors for text consoles on one machine) 174 */ 175 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY) 176 return(0); 177 /* 178 * XXX 179 * normally this would be done in attach, however 180 * during early init we do not have a device pointer 181 * and thus no unit number. 182 */ 183 for(maj = 0; maj < nchrdev; maj++) 184 if (cdevsw[maj].d_open == iteopen) 185 break; 186 gp->g_itedev = makedev(maj, cfp->cf_unit); 187 return(1); 188 } 189 190 void 191 iteattach(pdp, dp, auxp) 192 struct device *pdp, *dp; 193 void *auxp; 194 { 195 struct grf_softc *gp; 196 struct ite_softc *ip; 197 int s; 198 199 gp = (struct grf_softc *)auxp; 200 201 /* 202 * mark unit as attached (XXX see itematch) 203 */ 204 ite_confunits |= 1 << ITEUNIT(gp->g_itedev); 205 206 if (dp) { 207 ip = (struct ite_softc *)dp; 208 209 s = spltty(); 210 if (con_itesoftc.grf != NULL && 211 con_itesoftc.grf->g_unit == gp->g_unit) { 212 /* 213 * console reinit copy params over. 214 * and console always gets keyboard 215 */ 216 bcopy(&con_itesoftc.grf, &ip->grf, 217 (char *)&ip[1] - (char *)&ip->grf); 218 con_itesoftc.grf = NULL; 219 kbd_ite = ip; 220 } 221 ip->grf = gp; 222 splx(s); 223 224 alloc_sicallback(); 225 iteinit(gp->g_itedev); 226 printf(": rows %d cols %d", ip->rows, ip->cols); 227 printf(" repeat at (%d/100)s next at (%d/100)s", 228 start_repeat_timeo, next_repeat_timeo); 229 230 if (kbd_ite == NULL) 231 kbd_ite = ip; 232 if (kbd_ite == ip) 233 printf(" has keyboard"); 234 printf("\n"); 235 } else { 236 if (con_itesoftc.grf != NULL && 237 con_itesoftc.grf->g_conpri > gp->g_conpri) 238 return; 239 con_itesoftc.grf = gp; 240 con_itesoftc.tabs = cons_tabs; 241 } 242 } 243 244 struct ite_softc * 245 getitesp(dev) 246 dev_t dev; 247 { 248 if (amiga_realconfig && con_itesoftc.grf == NULL) 249 return(ite_cd.cd_devs[ITEUNIT(dev)]); 250 251 if (con_itesoftc.grf == NULL) 252 panic("no ite_softc for console"); 253 return(&con_itesoftc); 254 } 255 256 /* 257 * cons.c entry points into ite device. 258 */ 259 260 /* 261 * Return a priority in consdev->cn_pri field highest wins. This function 262 * is called before any devices have been probed. 263 */ 264 void 265 itecnprobe(cd) 266 struct consdev *cd; 267 { 268 /* 269 * bring graphics layer up. 270 */ 271 config_console(); 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 /* audio bell stuff */ 286 void 287 init_bell() 288 { 289 if (bsamplep != NULL) 290 return; 291 bsamplep = alloc_chipmem(20); 292 if (bsamplep == NULL) 293 panic("no chipmem for ite_bell"); 294 295 bcopy(sample, bsamplep, 20); 296 } 297 298 void 299 ite_bell() 300 { 301 u_int clock; 302 u_int period; 303 u_int count; 304 305 clock = 3579545; /* PAL 3546895 */ 306 307 /* 308 * the number of clock ticks per sample byte must be > 124 309 * ergo bpitch must be < clock / 124*20 310 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously 311 */ 312 period = clock / (bpitch * 20); 313 count = bmsec * bpitch / 1000; 314 315 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count); 316 } 317 318 void 319 itecninit(cd) 320 struct consdev *cd; 321 { 322 struct ite_softc *ip; 323 324 ip = getitesp(cd->cn_dev); 325 iteinit(cd->cn_dev); 326 ip->flags |= ITE_ACTIVE | ITE_ISCONS; 327 328 #ifdef DRACO 329 if (!is_draco()) 330 #endif 331 init_bell(); 332 } 333 334 /* 335 * ite_cnfinish() is called in ite_init() when the device is 336 * being probed in the normal fasion, thus we can finish setting 337 * up this ite now that the system is more functional. 338 */ 339 void 340 ite_cnfinish(ip) 341 struct ite_softc *ip; 342 { 343 static int done; 344 345 if (done) 346 return; 347 done = 1; 348 } 349 350 int 351 itecngetc(dev) 352 dev_t dev; 353 { 354 int c; 355 356 /* XXX this should be moved */ 357 kbdenable(); 358 do { 359 c = kbdgetcn(); 360 c = ite_cnfilter(c, ITEFILT_CONSOLE); 361 } while (c == -1); 362 return (c); 363 } 364 365 void 366 itecnputc(dev, c) 367 dev_t dev; 368 int c; 369 { 370 static int paniced; 371 struct ite_softc *ip; 372 char ch; 373 374 ip = getitesp(dev); 375 ch = c; 376 377 if (panicstr && !paniced && 378 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 379 (void)ite_on(dev, 3); 380 paniced = 1; 381 } 382 iteputchar(ch, ip); 383 } 384 385 void 386 itecnpollc(dev, on) 387 dev_t dev; 388 int on; 389 { 390 391 } 392 393 /* 394 * standard entry points to the device. 395 */ 396 397 /* 398 * iteinit() is the standard entry point for initialization of 399 * an ite device, it is also called from ite_cninit(). 400 * 401 */ 402 void 403 iteinit(dev) 404 dev_t dev; 405 { 406 struct ite_softc *ip; 407 static int kbdmap_loaded = 0; 408 409 ip = getitesp(dev); 410 if (ip->flags & ITE_INITED) 411 return; 412 if (kbdmap_loaded == 0) { 413 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap)); 414 kbdmap_loaded = 1; 415 } 416 417 ip->cursorx = 0; 418 ip->cursory = 0; 419 SUBR_INIT(ip); 420 SUBR_CURSOR(ip, DRAW_CURSOR); 421 if (ip->tabs == NULL) 422 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 423 ite_reset(ip); 424 ip->flags |= ITE_INITED; 425 } 426 427 int 428 iteopen(dev, mode, devtype, p) 429 dev_t dev; 430 int mode, devtype; 431 struct proc *p; 432 { 433 struct ite_softc *ip; 434 struct tty *tp; 435 int error, first, unit; 436 437 unit = ITEUNIT(dev); 438 first = 0; 439 440 if (((1 << unit) & ite_confunits) == 0) 441 return (ENXIO); 442 443 ip = getitesp(dev); 444 445 if (ip->tp == NULL) { 446 tp = ip->tp = ttymalloc(); 447 tty_attach(tp); 448 } else 449 tp = ip->tp; 450 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE) 451 && p->p_ucred->cr_uid != 0) 452 return (EBUSY); 453 if ((ip->flags & ITE_ACTIVE) == 0) { 454 error = ite_on(dev, 0); 455 if (error) 456 return (error); 457 first = 1; 458 } 459 tp->t_oproc = itestart; 460 tp->t_param = ite_param; 461 tp->t_dev = dev; 462 if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) { 463 ttychars(tp); 464 tp->t_iflag = TTYDEF_IFLAG; 465 tp->t_oflag = TTYDEF_OFLAG; 466 tp->t_cflag = TTYDEF_CFLAG; 467 tp->t_lflag = TTYDEF_LFLAG; 468 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 469 tp->t_state = TS_CARR_ON; 470 ttsetwater(tp); 471 } 472 error = ttyopen(tp, 0, mode & O_NONBLOCK); 473 if (error) 474 goto bad; 475 476 error = tp->t_linesw->l_open(dev, tp); 477 if (error) 478 goto bad; 479 480 tp->t_winsize.ws_row = ip->rows; 481 tp->t_winsize.ws_col = ip->cols; 482 kbdenable(); 483 return (0); 484 bad: 485 if (first) 486 ite_off(dev, 0); 487 return (error); 488 } 489 490 int 491 iteclose(dev, flag, mode, p) 492 dev_t dev; 493 int flag, mode; 494 struct proc *p; 495 { 496 struct tty *tp; 497 498 tp = getitesp(dev)->tp; 499 500 KDASSERT(tp); 501 tp->t_linesw->l_close(tp, flag); 502 ttyclose(tp); 503 ite_off(dev, 0); 504 return (0); 505 } 506 507 int 508 iteread(dev, uio, flag) 509 dev_t dev; 510 struct uio *uio; 511 int flag; 512 { 513 struct tty *tp; 514 515 tp = getitesp(dev)->tp; 516 517 KDASSERT(tp); 518 return tp->t_linesw->l_read(tp, uio, flag); 519 } 520 521 int 522 itewrite(dev, uio, flag) 523 dev_t dev; 524 struct uio *uio; 525 int flag; 526 { 527 struct tty *tp; 528 529 tp = getitesp(dev)->tp; 530 531 KDASSERT(tp); 532 return tp->t_linesw->l_write(tp, uio, flag); 533 } 534 535 int 536 itepoll(dev, events, p) 537 dev_t dev; 538 int events; 539 struct proc *p; 540 { 541 struct tty *tp; 542 543 tp = getitesp(dev)->tp; 544 545 KDASSERT(tp); 546 return ((*tp->t_linesw->l_poll)(tp, events, p)); 547 } 548 549 struct tty * 550 itetty(dev) 551 dev_t dev; 552 { 553 return (getitesp(dev)->tp); 554 } 555 556 void 557 itestop(tp, flag) 558 struct tty *tp; 559 int flag; 560 { 561 562 } 563 564 int 565 iteioctl(dev, cmd, addr, flag, p) 566 dev_t dev; 567 u_long cmd; 568 caddr_t addr; 569 int flag; 570 struct proc *p; 571 { 572 struct iterepeat *irp; 573 struct ite_softc *ip; 574 struct itebell *ib; 575 struct tty *tp; 576 int error; 577 578 ip = getitesp(dev); 579 tp = ip->tp; 580 581 KDASSERT(tp); 582 583 error = tp->t_linesw->l_ioctl(tp, cmd, addr, flag, p); 584 if (error >= 0) 585 return (error); 586 error = ttioctl(tp, cmd, addr, flag, p); 587 if (error >= 0) 588 return (error); 589 590 switch (cmd) { 591 case ITEIOCGBELL: 592 ib = (struct itebell *)addr; 593 ib->volume = bvolume; 594 ib->pitch = bpitch; 595 ib->msec = bmsec; 596 return (0); 597 case ITEIOCSBELL: 598 ib = (struct itebell *)addr; 599 600 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH || 601 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME) 602 return (EINVAL); 603 bvolume = ib->volume; 604 bpitch = ib->pitch; 605 bmsec = ib->msec; 606 return (0); 607 case ITEIOCSKMAP: 608 if (addr == 0) 609 return(EFAULT); 610 bcopy(addr, &kbdmap, sizeof(struct kbdmap)); 611 return(0); 612 case ITEIOCGKMAP: 613 if (addr == NULL) 614 return(EFAULT); 615 bcopy(&kbdmap, addr, sizeof(struct kbdmap)); 616 return(0); 617 case ITEIOCGREPT: 618 irp = (struct iterepeat *)addr; 619 irp->start = start_repeat_timeo; 620 irp->next = next_repeat_timeo; 621 return (0); 622 case ITEIOCSREPT: 623 irp = (struct iterepeat *)addr; 624 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT) 625 return(EINVAL); 626 start_repeat_timeo = irp->start; 627 next_repeat_timeo = irp->next; 628 return(0); 629 } 630 #if NGRFCC > 0 631 /* XXX */ 632 if (minor(dev) == 0) { 633 error = ite_grf_ioctl(ip, cmd, addr, flag, p); 634 if (error >= 0) 635 return (error); 636 } 637 #endif 638 return (ENOTTY); 639 } 640 641 void 642 itestart(tp) 643 struct tty *tp; 644 { 645 struct clist *rbp; 646 struct ite_softc *ip; 647 u_char buf[ITEBURST]; 648 int s, len; 649 650 ip = getitesp(tp->t_dev); 651 652 KDASSERT(tp); 653 654 s = spltty(); { 655 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 656 goto out; 657 658 tp->t_state |= TS_BUSY; 659 rbp = &tp->t_outq; 660 661 len = q_to_b(rbp, buf, ITEBURST); 662 } splx(s); 663 664 /* Here is a really good place to implement pre/jumpscroll() */ 665 ite_putstr(buf, len, tp->t_dev); 666 667 s = spltty(); { 668 tp->t_state &= ~TS_BUSY; 669 /* we have characters remaining. */ 670 if (rbp->c_cc) { 671 tp->t_state |= TS_TIMEOUT; 672 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp); 673 } 674 /* wakeup we are below */ 675 if (rbp->c_cc <= tp->t_lowat) { 676 if (tp->t_state & TS_ASLEEP) { 677 tp->t_state &= ~TS_ASLEEP; 678 wakeup((caddr_t) rbp); 679 } 680 selwakeup(&tp->t_wsel); 681 } 682 out: 683 } splx(s); 684 } 685 686 int 687 ite_on(dev, flag) 688 dev_t dev; 689 int flag; 690 { 691 struct ite_softc *ip; 692 int unit; 693 694 unit = ITEUNIT(dev); 695 if (((1 << unit) & ite_confunits) == 0) 696 return (ENXIO); 697 698 ip = getitesp(dev); 699 700 /* force ite active, overriding graphics mode */ 701 if (flag & 1) { 702 ip->flags |= ITE_ACTIVE; 703 ip->flags &= ~(ITE_INGRF | ITE_INITED); 704 } 705 /* leave graphics mode */ 706 if (flag & 2) { 707 ip->flags &= ~ITE_INGRF; 708 if ((ip->flags & ITE_ACTIVE) == 0) 709 return (0); 710 } 711 ip->flags |= ITE_ACTIVE; 712 if (ip->flags & ITE_INGRF) 713 return (0); 714 iteinit(dev); 715 return (0); 716 } 717 718 void 719 ite_off(dev, flag) 720 dev_t dev; 721 int flag; 722 { 723 struct ite_softc *ip; 724 725 ip = getitesp(dev); 726 if (flag & 2) 727 ip->flags |= ITE_INGRF; 728 if ((ip->flags & ITE_ACTIVE) == 0) 729 return; 730 if ((flag & 1) || 731 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 732 SUBR_DEINIT(ip); 733 /* XXX hmm grfon() I think wants this to go inactive. */ 734 if ((flag & 2) == 0) 735 ip->flags &= ~ITE_ACTIVE; 736 } 737 738 /* XXX called after changes made in underlying grf layer. */ 739 /* I want to nuke this */ 740 void 741 ite_reinit(dev) 742 dev_t dev; 743 { 744 struct ite_softc *ip; 745 746 ip = getitesp(dev); 747 ip->flags &= ~ITE_INITED; 748 iteinit(dev); 749 } 750 751 int 752 ite_param(tp, t) 753 struct tty *tp; 754 struct termios *t; 755 { 756 tp->t_ispeed = t->c_ispeed; 757 tp->t_ospeed = t->c_ospeed; 758 tp->t_cflag = t->c_cflag; 759 return (0); 760 } 761 762 void 763 ite_reset(ip) 764 struct ite_softc *ip; 765 { 766 int i; 767 768 ip->curx = 0; 769 ip->cury = 0; 770 ip->attribute = ATTR_NOR; 771 ip->save_curx = 0; 772 ip->save_cury = 0; 773 ip->save_attribute = ATTR_NOR; 774 ip->ap = ip->argbuf; 775 ip->emul_level = 0; 776 ip->eightbit_C1 = 0; 777 ip->top_margin = 0; 778 ip->bottom_margin = ip->rows - 1; 779 ip->inside_margins = 0; 780 ip->linefeed_newline = 0; 781 ip->auto_wrap = ite_default_wrap; 782 ip->cursor_appmode = 0; 783 ip->keypad_appmode = 0; 784 ip->imode = 0; 785 ip->key_repeat = 1; 786 bzero(ip->tabs, ip->cols); 787 for (i = 0; i < ip->cols; i++) 788 ip->tabs[i] = ((i & 7) == 0); 789 } 790 791 /* 792 * has to be global becuase of the shared filters. 793 */ 794 static u_char key_mod; 795 static u_char last_dead; 796 797 /* Used in console at startup only */ 798 int 799 ite_cnfilter(c, caller) 800 u_char c; 801 enum caller caller; 802 { 803 struct key key; 804 u_char code, up, mask; 805 int s, i; 806 807 up = c & 0x80 ? 1 : 0; 808 c &= 0x7f; 809 code = 0; 810 811 s = spltty(); 812 813 i = (int)c - KBD_LEFT_SHIFT; 814 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) { 815 mask = 1 << i; 816 if (up) 817 key_mod &= ~mask; 818 else 819 key_mod |= mask; 820 splx(s); 821 return -1; 822 } 823 824 if (up) { 825 splx(s); 826 return -1; 827 } 828 829 /* translate modifiers */ 830 if (key_mod & KBD_MOD_SHIFT) { 831 if (key_mod & KBD_MOD_ALT) 832 key = kbdmap.alt_shift_keys[c]; 833 else 834 key = kbdmap.shift_keys[c]; 835 } else if (key_mod & KBD_MOD_ALT) 836 key = kbdmap.alt_keys[c]; 837 else { 838 key = kbdmap.keys[c]; 839 /* if CAPS and key is CAPable (no pun intended) */ 840 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 841 key = kbdmap.shift_keys[c]; 842 } 843 code = key.code; 844 845 /* if string return */ 846 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 847 splx(s); 848 return -1; 849 } 850 /* handle dead keys */ 851 if (key.mode & KBD_MODE_DEAD) { 852 /* if entered twice, send accent itself */ 853 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 854 last_dead = 0; 855 else { 856 last_dead = key.mode & KBD_MODE_ACCMASK; 857 splx(s); 858 return -1; 859 } 860 } 861 if (last_dead) { 862 /* can't apply dead flag to string-keys */ 863 if (code >= '@' && code < 0x7f) 864 code = 865 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 866 last_dead = 0; 867 } 868 if (key_mod & KBD_MOD_CTRL) 869 code &= 0x1f; 870 if (key_mod & KBD_MOD_META) 871 code |= 0x80; 872 873 /* do console mapping. */ 874 code = code == '\r' ? '\n' : code; 875 876 splx(s); 877 return (code); 878 } 879 880 /* And now the old stuff. */ 881 882 /* these are used to implement repeating keys.. */ 883 static u_char last_char; 884 static u_char tout_pending; 885 886 static struct callout repeat_ch = CALLOUT_INITIALIZER; 887 888 /*ARGSUSED*/ 889 static void 890 repeat_handler(arg) 891 void *arg; 892 { 893 tout_pending = 0; 894 if (last_char) 895 ite_filter(last_char, ITEFILT_REPEATER); 896 } 897 898 void 899 ite_filter(c, caller) 900 u_char c; 901 enum caller caller; 902 { 903 struct tty *kbd_tty; 904 u_char code, *str, up, mask; 905 struct key key; 906 int s, i; 907 908 if (kbd_ite == NULL || kbd_ite->tp == NULL) 909 return; 910 911 kbd_tty = kbd_ite->tp; 912 913 /* have to make sure we're at spltty in here */ 914 s = spltty(); 915 916 /* 917 * keyboard interrupts come at priority 2, while softint 918 * generated keyboard-repeat interrupts come at level 1. So, 919 * to not allow a key-up event to get thru before a repeat for 920 * the key-down, we remove any outstanding callout requests.. 921 rem_sicallback(ite_sifilter); 922 */ 923 924 up = c & 0x80 ? 1 : 0; 925 c &= 0x7f; 926 code = 0; 927 928 i = (int)c - KBD_LEFT_SHIFT; 929 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) { 930 mask = 1 << i; 931 if (up) 932 key_mod &= ~mask; 933 else 934 key_mod |= mask; 935 splx(s); 936 return; 937 } 938 /* stop repeating on up event */ 939 if (up) { 940 if (tout_pending) { 941 callout_stop(&repeat_ch); 942 tout_pending = 0; 943 last_char = 0; 944 } 945 splx(s); 946 return; 947 } else if (tout_pending && last_char != c) { 948 /* different character, stop also */ 949 callout_stop(&repeat_ch); 950 tout_pending = 0; 951 last_char = 0; 952 } 953 /* Safety button, switch back to ascii keymap. */ 954 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) { 955 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap)); 956 957 splx(s); 958 return; 959 #ifdef DDB 960 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) { 961 Debugger(); 962 splx(s); 963 return; 964 #endif 965 } 966 /* translate modifiers */ 967 if (key_mod & KBD_MOD_SHIFT) { 968 if (key_mod & KBD_MOD_ALT) 969 key = kbdmap.alt_shift_keys[c]; 970 else 971 key = kbdmap.shift_keys[c]; 972 } else if (key_mod & KBD_MOD_ALT) 973 key = kbdmap.alt_keys[c]; 974 else { 975 key = kbdmap.keys[c]; 976 /* if CAPS and key is CAPable (no pun intended) */ 977 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 978 key = kbdmap.shift_keys[c]; 979 } 980 code = key.code; 981 982 /* 983 * arrange to repeat the keystroke. By doing this at the level 984 * of scan-codes, we can have function keys, and keys that 985 * send strings, repeat too. This also entitles an additional 986 * overhead, since we have to do the conversion each time, but 987 * I guess that's ok. 988 */ 989 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 990 tout_pending = 1; 991 last_char = c; 992 callout_reset(&repeat_ch, 993 start_repeat_timeo * hz / 100, repeat_handler, NULL); 994 } else if (!tout_pending && caller == ITEFILT_REPEATER && 995 kbd_ite->key_repeat) { 996 tout_pending = 1; 997 last_char = c; 998 callout_reset(&repeat_ch, 999 next_repeat_timeo * hz / 100, repeat_handler, NULL); 1000 } 1001 /* handle dead keys */ 1002 if (key.mode & KBD_MODE_DEAD) { 1003 /* if entered twice, send accent itself */ 1004 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 1005 last_dead = 0; 1006 else { 1007 last_dead = key.mode & KBD_MODE_ACCMASK; 1008 splx(s); 1009 return; 1010 } 1011 } 1012 if (last_dead) { 1013 /* can't apply dead flag to string-keys */ 1014 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 1015 code < 0x7f) 1016 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 1017 last_dead = 0; 1018 } 1019 /* if not string, apply META and CTRL modifiers */ 1020 if (!(key.mode & KBD_MODE_STRING) 1021 && (!(key.mode & KBD_MODE_KPAD) || 1022 (kbd_ite && !kbd_ite->keypad_appmode))) { 1023 if (key_mod & KBD_MOD_CTRL) 1024 code &= 0x1f; 1025 if (key_mod & KBD_MOD_META) 1026 code |= 0x80; 1027 } else if ((key.mode & KBD_MODE_KPAD) && 1028 (kbd_ite && kbd_ite->keypad_appmode)) { 1029 static char in[] = { 1030 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */, 1031 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */, 1032 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */, 1033 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */, 1034 0x5c /* / */, 0x5d /* * */ 1035 }; 1036 static char *out = "pqrstuvwxymlnMPQRS"; 1037 char *cp = index (in, c); 1038 1039 /* 1040 * keypad-appmode sends SS3 followed by the above 1041 * translated character 1042 */ 1043 kbd_tty->t_linesw->l_rint(27, kbd_tty); 1044 kbd_tty->t_linesw->l_rint('O', kbd_tty); 1045 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty); 1046 splx(s); 1047 return; 1048 } else { 1049 /* *NO* I don't like this.... */ 1050 static u_char app_cursor[] = 1051 { 1052 3, 27, 'O', 'A', 1053 3, 27, 'O', 'B', 1054 3, 27, 'O', 'C', 1055 3, 27, 'O', 'D'}; 1056 1057 str = kbdmap.strings + code; 1058 /* 1059 * if this is a cursor key, AND it has the default 1060 * keymap setting, AND we're in app-cursor mode, switch 1061 * to the above table. This is *nasty* ! 1062 */ 1063 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode 1064 && !bcmp(str, "\x03\x1b[", 3) && 1065 index("ABCD", str[3])) 1066 str = app_cursor + 4 * (str[3] - 'A'); 1067 1068 /* 1069 * using a length-byte instead of 0-termination allows 1070 * to embed \0 into strings, although this is not used 1071 * in the default keymap 1072 */ 1073 for (i = *str++; i; i--) 1074 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1075 splx(s); 1076 return; 1077 } 1078 kbd_tty->t_linesw->l_rint(code, kbd_tty); 1079 1080 splx(s); 1081 return; 1082 } 1083 1084 /* helper functions, makes the code below more readable */ 1085 inline static void 1086 ite_sendstr(str) 1087 char *str; 1088 { 1089 struct tty *kbd_tty; 1090 1091 kbd_tty = kbd_ite->tp; 1092 KDASSERT(kbd_tty); 1093 while (*str) 1094 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1095 } 1096 1097 static void 1098 alignment_display(ip) 1099 struct ite_softc *ip; 1100 { 1101 int i, j; 1102 1103 for (j = 0; j < ip->rows; j++) 1104 for (i = 0; i < ip->cols; i++) 1105 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR); 1106 attrclr(ip, 0, 0, ip->rows, ip->cols); 1107 SUBR_CURSOR(ip, DRAW_CURSOR); 1108 } 1109 1110 inline static void 1111 snap_cury(ip) 1112 struct ite_softc *ip; 1113 { 1114 if (ip->inside_margins) 1115 { 1116 if (ip->cury < ip->top_margin) 1117 ip->cury = ip->top_margin; 1118 if (ip->cury > ip->bottom_margin) 1119 ip->cury = ip->bottom_margin; 1120 } 1121 } 1122 1123 inline static void 1124 ite_dnchar(ip, n) 1125 struct ite_softc *ip; 1126 int n; 1127 { 1128 n = min(n, ip->cols - ip->curx); 1129 if (n < ip->cols - ip->curx) 1130 { 1131 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT); 1132 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx, 1133 1, ip->cols - ip->curx - n); 1134 attrclr(ip, ip->cury, ip->cols - n, 1, n); 1135 } 1136 while (n-- > 0) 1137 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR); 1138 SUBR_CURSOR(ip, DRAW_CURSOR); 1139 } 1140 1141 inline static void 1142 ite_inchar(ip, n) 1143 struct ite_softc *ip; 1144 int n; 1145 { 1146 n = min(n, ip->cols - ip->curx); 1147 if (n < ip->cols - ip->curx) 1148 { 1149 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT); 1150 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n, 1151 1, ip->cols - ip->curx - n); 1152 attrclr(ip, ip->cury, ip->curx, 1, n); 1153 } 1154 while (n--) 1155 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1156 SUBR_CURSOR(ip, DRAW_CURSOR); 1157 } 1158 1159 inline static void 1160 ite_clrtoeol(ip) 1161 struct ite_softc *ip; 1162 { 1163 int y = ip->cury, x = ip->curx; 1164 if (ip->cols - x > 0) 1165 { 1166 SUBR_CLEAR(ip, y, x, 1, ip->cols - x); 1167 attrclr(ip, y, x, 1, ip->cols - x); 1168 SUBR_CURSOR(ip, DRAW_CURSOR); 1169 } 1170 } 1171 1172 inline static void 1173 ite_clrtobol(ip) 1174 struct ite_softc *ip; 1175 { 1176 int y = ip->cury, x = min(ip->curx + 1, ip->cols); 1177 SUBR_CLEAR(ip, y, 0, 1, x); 1178 attrclr(ip, y, 0, 1, x); 1179 SUBR_CURSOR(ip, DRAW_CURSOR); 1180 } 1181 1182 inline static void 1183 ite_clrline(ip) 1184 struct ite_softc *ip; 1185 { 1186 int y = ip->cury; 1187 SUBR_CLEAR(ip, y, 0, 1, ip->cols); 1188 attrclr(ip, y, 0, 1, ip->cols); 1189 SUBR_CURSOR(ip, DRAW_CURSOR); 1190 } 1191 1192 1193 1194 inline static void 1195 ite_clrtoeos(ip) 1196 struct ite_softc *ip; 1197 { 1198 ite_clrtoeol(ip); 1199 if (ip->cury < ip->rows - 1) 1200 { 1201 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols); 1202 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols); 1203 SUBR_CURSOR(ip, DRAW_CURSOR); 1204 } 1205 } 1206 1207 inline static void 1208 ite_clrtobos(ip) 1209 struct ite_softc *ip; 1210 { 1211 ite_clrtobol(ip); 1212 if (ip->cury > 0) 1213 { 1214 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols); 1215 attrclr(ip, 0, 0, ip->cury, ip->cols); 1216 SUBR_CURSOR(ip, DRAW_CURSOR); 1217 } 1218 } 1219 1220 inline static void 1221 ite_clrscreen(ip) 1222 struct ite_softc *ip; 1223 { 1224 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols); 1225 attrclr(ip, 0, 0, ip->rows, ip->cols); 1226 SUBR_CURSOR(ip, DRAW_CURSOR); 1227 } 1228 1229 1230 1231 inline static void 1232 ite_dnline(ip, n) 1233 struct ite_softc *ip; 1234 int n; 1235 { 1236 /* interesting.. if the cursor is outside the scrolling 1237 region, this command is simply ignored.. */ 1238 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1239 return; 1240 1241 n = min(n, ip->bottom_margin + 1 - ip->cury); 1242 if (n <= ip->bottom_margin - ip->cury) 1243 { 1244 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP); 1245 attrmov(ip, ip->cury + n, 0, ip->cury, 0, 1246 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1247 } 1248 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1249 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1250 SUBR_CURSOR(ip, DRAW_CURSOR); 1251 } 1252 1253 inline static void 1254 ite_inline(ip, n) 1255 struct ite_softc *ip; 1256 int n; 1257 { 1258 /* interesting.. if the cursor is outside the scrolling 1259 region, this command is simply ignored.. */ 1260 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1261 return; 1262 1263 n = min(n, ip->bottom_margin + 1 - ip->cury); 1264 if (n <= ip->bottom_margin - ip->cury) 1265 { 1266 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN); 1267 attrmov(ip, ip->cury, 0, ip->cury + n, 0, 1268 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1269 } 1270 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols); 1271 attrclr(ip, ip->cury, 0, n, ip->cols); 1272 SUBR_CURSOR(ip, DRAW_CURSOR); 1273 } 1274 1275 inline static void 1276 ite_lf (ip) 1277 struct ite_softc *ip; 1278 { 1279 ++ip->cury; 1280 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows)) 1281 { 1282 ip->cury--; 1283 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1284 ite_clrline(ip); 1285 } 1286 SUBR_CURSOR(ip, MOVE_CURSOR); 1287 clr_attr(ip, ATTR_INV); 1288 } 1289 1290 inline static void 1291 ite_crlf (ip) 1292 struct ite_softc *ip; 1293 { 1294 ip->curx = 0; 1295 ite_lf (ip); 1296 } 1297 1298 inline static void 1299 ite_cr (ip) 1300 struct ite_softc *ip; 1301 { 1302 if (ip->curx) 1303 { 1304 ip->curx = 0; 1305 SUBR_CURSOR(ip, MOVE_CURSOR); 1306 } 1307 } 1308 1309 inline static void 1310 ite_rlf (ip) 1311 struct ite_softc *ip; 1312 { 1313 ip->cury--; 1314 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1)) 1315 { 1316 ip->cury++; 1317 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN); 1318 ite_clrline(ip); 1319 } 1320 SUBR_CURSOR(ip, MOVE_CURSOR); 1321 clr_attr(ip, ATTR_INV); 1322 } 1323 1324 inline static int 1325 atoi (cp) 1326 const char *cp; 1327 { 1328 int n; 1329 1330 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1331 n = n * 10 + *cp - '0'; 1332 1333 return n; 1334 } 1335 1336 static char * 1337 index (cp, ch) 1338 const char *cp; 1339 char ch; 1340 { 1341 while (*cp && *cp != ch) cp++; 1342 return *cp ? (char *) cp : 0; 1343 } 1344 1345 1346 1347 inline static int 1348 ite_argnum (ip) 1349 struct ite_softc *ip; 1350 { 1351 char ch; 1352 int n; 1353 1354 /* convert argument string into number */ 1355 if (ip->ap == ip->argbuf) 1356 return 1; 1357 ch = *ip->ap; 1358 *ip->ap = 0; 1359 n = atoi (ip->argbuf); 1360 *ip->ap = ch; 1361 1362 return n; 1363 } 1364 1365 inline static int 1366 ite_zargnum (ip) 1367 struct ite_softc *ip; 1368 { 1369 char ch; 1370 int n; 1371 1372 /* convert argument string into number */ 1373 if (ip->ap == ip->argbuf) 1374 return 0; 1375 ch = *ip->ap; 1376 *ip->ap = 0; 1377 n = atoi (ip->argbuf); 1378 *ip->ap = ch; 1379 1380 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1381 } 1382 1383 void 1384 ite_putstr(s, len, dev) 1385 const char *s; 1386 int len; 1387 dev_t dev; 1388 { 1389 struct ite_softc *ip; 1390 int i; 1391 1392 ip = getitesp(dev); 1393 1394 /* XXX avoid problems */ 1395 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1396 return; 1397 1398 SUBR_CURSOR(ip, START_CURSOROPT); 1399 for (i = 0; i < len; i++) 1400 if (s[i]) 1401 iteputchar(s[i], ip); 1402 SUBR_CURSOR(ip, END_CURSOROPT); 1403 } 1404 1405 static void 1406 iteprecheckwrap(ip) 1407 struct ite_softc *ip; 1408 { 1409 if (ip->auto_wrap && ip->curx == ip->cols) { 1410 ip->curx = 0; 1411 clr_attr(ip, ATTR_INV); 1412 if (++ip->cury >= ip->bottom_margin + 1) { 1413 ip->cury = ip->bottom_margin; 1414 SUBR_CURSOR(ip, MOVE_CURSOR); 1415 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1416 ite_clrtoeol(ip); 1417 } else 1418 SUBR_CURSOR(ip, MOVE_CURSOR); 1419 } 1420 } 1421 1422 static void 1423 itecheckwrap(ip) 1424 struct ite_softc *ip; 1425 { 1426 #if 0 1427 if (++ip->curx == ip->cols) { 1428 if (ip->auto_wrap) { 1429 ip->curx = 0; 1430 clr_attr(ip, ATTR_INV); 1431 if (++ip->cury >= ip->bottom_margin + 1) { 1432 ip->cury = ip->bottom_margin; 1433 SUBR_CURSOR(ip, MOVE_CURSOR); 1434 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1435 ite_clrtoeol(ip); 1436 return; 1437 } 1438 } else 1439 /* stay there if no autowrap.. */ 1440 ip->curx--; 1441 } 1442 #else 1443 if (ip->curx < ip->cols) { 1444 ip->curx++; 1445 SUBR_CURSOR(ip, MOVE_CURSOR); 1446 } 1447 #endif 1448 } 1449 1450 void 1451 iteputchar(c, ip) 1452 register int c; 1453 struct ite_softc *ip; 1454 { 1455 struct tty *kbd_tty; 1456 int n, x, y; 1457 char *cp; 1458 1459 if (kbd_ite == NULL) 1460 kbd_tty = NULL; 1461 else 1462 kbd_tty = kbd_ite->tp; 1463 1464 if (ip->escape) { 1465 switch (ip->escape) { 1466 case ESC: 1467 switch (c) { 1468 /* 1469 * first 7bit equivalents for the 1470 * 8bit control characters 1471 */ 1472 case 'D': 1473 c = IND; 1474 ip->escape = 0; 1475 break; 1476 /* 1477 * and fall into the next 1478 * switch below (same for all `break') 1479 */ 1480 case 'E': 1481 c = NEL; 1482 ip->escape = 0; 1483 break; 1484 case 'H': 1485 c = HTS; 1486 ip->escape = 0; 1487 break; 1488 case 'M': 1489 c = RI; 1490 ip->escape = 0; 1491 break; 1492 case 'N': 1493 c = SS2; 1494 ip->escape = 0; 1495 break; 1496 case 'O': 1497 c = SS3; 1498 ip->escape = 0; 1499 break; 1500 case 'P': 1501 c = DCS; 1502 ip->escape = 0; 1503 break; 1504 case '[': 1505 c = CSI; 1506 ip->escape = 0; 1507 break; 1508 case '\\': 1509 c = ST; 1510 ip->escape = 0; 1511 break; 1512 case ']': 1513 c = OSC; 1514 ip->escape = 0; 1515 break; 1516 case '^': 1517 c = PM; 1518 ip->escape = 0; 1519 break; 1520 case '_': 1521 c = APC; 1522 ip->escape = 0; 1523 break; 1524 /* introduces 7/8bit control */ 1525 case ' ': 1526 /* can be followed by either F or G */ 1527 ip->escape = ' '; 1528 break; 1529 /* 1530 * a lot of character set selections, not yet 1531 * used... 94-character sets: 1532 */ 1533 case '(': /* G0 */ 1534 case ')': /* G1 */ 1535 ip->escape = c; 1536 return; 1537 case '*': /* G2 */ 1538 case '+': /* G3 */ 1539 case 'B': /* ASCII */ 1540 case 'A': /* ISO latin 1 */ 1541 case '<': /* user preferred suplemental */ 1542 case '0': /* dec special graphics */ 1543 /* 1544 * 96-character sets: 1545 */ 1546 case '-': /* G1 */ 1547 case '.': /* G2 */ 1548 case '/': /* G3 */ 1549 /* 1550 * national character sets: 1551 */ 1552 case '4': /* dutch */ 1553 case '5': 1554 case 'C': /* finnish */ 1555 case 'R': /* french */ 1556 case 'Q': /* french canadian */ 1557 case 'K': /* german */ 1558 case 'Y': /* italian */ 1559 case '6': /* norwegian/danish */ 1560 /* 1561 * note: %5 and %6 are not supported (two 1562 * chars..) 1563 */ 1564 ip->escape = 0; 1565 /* just ignore for now */ 1566 return; 1567 /* 1568 * locking shift modes (as you might guess, not 1569 * yet supported..) 1570 */ 1571 case '`': 1572 ip->GR = ip->G1; 1573 ip->escape = 0; 1574 return; 1575 case 'n': 1576 ip->GL = ip->G2; 1577 ip->escape = 0; 1578 return; 1579 case '}': 1580 ip->GR = ip->G2; 1581 ip->escape = 0; 1582 return; 1583 case 'o': 1584 ip->GL = ip->G3; 1585 ip->escape = 0; 1586 return; 1587 case '|': 1588 ip->GR = ip->G3; 1589 ip->escape = 0; 1590 return; 1591 case '#': 1592 /* font width/height control */ 1593 ip->escape = '#'; 1594 return; 1595 case 'c': 1596 /* hard terminal reset .. */ 1597 ite_reset(ip); 1598 SUBR_CURSOR(ip, MOVE_CURSOR); 1599 ip->escape = 0; 1600 return; 1601 case '7': 1602 ip->save_curx = ip->curx; 1603 ip->save_cury = ip->cury; 1604 ip->save_attribute = ip->attribute; 1605 ip->escape = 0; 1606 return; 1607 case '8': 1608 ip->curx = ip->save_curx; 1609 ip->cury = ip->save_cury; 1610 ip->attribute = ip->save_attribute; 1611 SUBR_CURSOR(ip, MOVE_CURSOR); 1612 ip->escape = 0; 1613 return; 1614 case '=': 1615 ip->keypad_appmode = 1; 1616 ip->escape = 0; 1617 return; 1618 case '>': 1619 ip->keypad_appmode = 0; 1620 ip->escape = 0; 1621 return; 1622 case 'Z': /* request ID */ 1623 /* XXX not clean */ 1624 if (ip->emul_level == EMUL_VT100) 1625 ite_sendstr("\033[?61;0c"); 1626 else 1627 ite_sendstr("\033[?63;0c"); 1628 ip->escape = 0; 1629 return; 1630 default: 1631 /* 1632 * default catch all for not recognized ESC 1633 * sequences 1634 */ 1635 ip->escape = 0; 1636 return; 1637 } 1638 break; 1639 case '(': 1640 case ')': 1641 ip->escape = 0; 1642 return; 1643 case ' ': 1644 switch (c) { 1645 case 'F': 1646 ip->eightbit_C1 = 0; 1647 ip->escape = 0; 1648 return; 1649 case 'G': 1650 ip->eightbit_C1 = 1; 1651 ip->escape = 0; 1652 return; 1653 default: 1654 /* not supported */ 1655 ip->escape = 0; 1656 return; 1657 } 1658 break; 1659 case '#': 1660 switch (c) { 1661 case '5': 1662 /* single height, single width */ 1663 ip->escape = 0; 1664 return; 1665 case '6': 1666 /* double width, single height */ 1667 ip->escape = 0; 1668 return; 1669 case '3': 1670 /* top half */ 1671 ip->escape = 0; 1672 return; 1673 case '4': 1674 /* bottom half */ 1675 ip->escape = 0; 1676 return; 1677 case '8': 1678 /* screen alignment pattern... */ 1679 alignment_display(ip); 1680 ip->escape = 0; 1681 return; 1682 default: 1683 ip->escape = 0; 1684 return; 1685 } 1686 break; 1687 case CSI: 1688 /* the biggie... */ 1689 switch (c) { 1690 case '0': 1691 case '1': 1692 case '2': 1693 case '3': 1694 case '4': 1695 case '5': 1696 case '6': 1697 case '7': 1698 case '8': 1699 case '9': 1700 case ';': 1701 case '\"': 1702 case '$': 1703 case '>': 1704 if (ip->ap < ip->argbuf + MAX_ARGSIZE) 1705 *ip->ap++ = c; 1706 return; 1707 case BS: 1708 /* 1709 * you wouldn't believe such perversion is 1710 * possible? it is.. BS is allowed in between 1711 * cursor sequences (at least), according to 1712 * vttest.. 1713 */ 1714 if (--ip->curx < 0) 1715 ip->curx = 0; 1716 else 1717 SUBR_CURSOR(ip, MOVE_CURSOR); 1718 break; 1719 case 'p': 1720 *ip->ap = 0; 1721 if (!strncmp(ip->argbuf, "61\"", 3)) 1722 ip->emul_level = EMUL_VT100; 1723 else if (!strncmp(ip->argbuf, "63;1\"", 5) 1724 || !strncmp(ip->argbuf, "62;1\"", 5)) 1725 ip->emul_level = EMUL_VT300_7; 1726 else 1727 ip->emul_level = EMUL_VT300_8; 1728 ip->escape = 0; 1729 return; 1730 case '?': 1731 *ip->ap = 0; 1732 ip->escape = '?'; 1733 ip->ap = ip->argbuf; 1734 return; 1735 case 'c': 1736 *ip->ap = 0; 1737 if (ip->argbuf[0] == '>') { 1738 ite_sendstr("\033[>24;0;0;0c"); 1739 } else 1740 switch (ite_zargnum(ip)) { 1741 case 0: 1742 /* 1743 * primary DA request, send 1744 * primary DA response 1745 */ 1746 if (ip->emul_level 1747 == EMUL_VT100) 1748 ite_sendstr( 1749 "\033[?1;1c"); 1750 else 1751 ite_sendstr( 1752 "\033[?63;1c"); 1753 break; 1754 } 1755 ip->escape = 0; 1756 return; 1757 case 'n': 1758 switch (ite_zargnum(ip)) { 1759 case 5: 1760 /* no malfunction */ 1761 ite_sendstr("\033[0n"); 1762 break; 1763 case 6: 1764 /* cursor position report */ 1765 sprintf(ip->argbuf, "\033[%d;%dR", 1766 ip->cury + 1, ip->curx + 1); 1767 ite_sendstr(ip->argbuf); 1768 break; 1769 } 1770 ip->escape = 0; 1771 return; 1772 case 'x': 1773 switch (ite_zargnum(ip)) { 1774 case 0: 1775 /* Fake some terminal parameters. */ 1776 ite_sendstr("\033[2;1;1;112;112;1;0x"); 1777 break; 1778 case 1: 1779 ite_sendstr("\033[3;1;1;112;112;1;0x"); 1780 break; 1781 } 1782 ip->escape = 0; 1783 return; 1784 case 'g': 1785 switch (ite_zargnum(ip)) { 1786 case 0: 1787 if (ip->curx < ip->cols) 1788 ip->tabs[ip->curx] = 0; 1789 break; 1790 case 3: 1791 for (n = 0; n < ip->cols; n++) 1792 ip->tabs[n] = 0; 1793 break; 1794 } 1795 ip->escape = 0; 1796 return; 1797 case 'h': 1798 case 'l': 1799 n = ite_zargnum(ip); 1800 switch (n) { 1801 case 4: 1802 /* insert/replace mode */ 1803 ip->imode = (c == 'h'); 1804 break; 1805 case 20: 1806 ip->linefeed_newline = (c == 'h'); 1807 break; 1808 } 1809 ip->escape = 0; 1810 return; 1811 case 'M': 1812 ite_dnline(ip, ite_argnum(ip)); 1813 ip->escape = 0; 1814 return; 1815 case 'L': 1816 ite_inline(ip, ite_argnum(ip)); 1817 ip->escape = 0; 1818 return; 1819 case 'P': 1820 ite_dnchar(ip, ite_argnum(ip)); 1821 ip->escape = 0; 1822 return; 1823 case '@': 1824 ite_inchar(ip, ite_argnum(ip)); 1825 ip->escape = 0; 1826 return; 1827 case 'G': 1828 /* 1829 * this one was *not* in my vt320 manual but in 1830 * a vt320 termcap entry.. who is right? It's 1831 * supposed to set the horizontal cursor 1832 * position. 1833 */ 1834 *ip->ap = 0; 1835 x = atoi(ip->argbuf); 1836 if (x) 1837 x--; 1838 ip->curx = min(x, ip->cols - 1); 1839 ip->escape = 0; 1840 SUBR_CURSOR(ip, MOVE_CURSOR); 1841 clr_attr(ip, ATTR_INV); 1842 return; 1843 case 'd': 1844 /* 1845 * same thing here, this one's for setting the 1846 * absolute vertical cursor position. Not 1847 * documented... 1848 */ 1849 *ip->ap = 0; 1850 y = atoi(ip->argbuf); 1851 if (y) 1852 y--; 1853 if (ip->inside_margins) 1854 y += ip->top_margin; 1855 ip->cury = min(y, ip->rows - 1); 1856 ip->escape = 0; 1857 snap_cury(ip); 1858 SUBR_CURSOR(ip, MOVE_CURSOR); 1859 clr_attr(ip, ATTR_INV); 1860 return; 1861 case 'H': 1862 case 'f': 1863 *ip->ap = 0; 1864 y = atoi(ip->argbuf); 1865 x = 0; 1866 cp = index(ip->argbuf, ';'); 1867 if (cp) 1868 x = atoi(cp + 1); 1869 if (x) 1870 x--; 1871 if (y) 1872 y--; 1873 if (ip->inside_margins) 1874 y += ip->top_margin; 1875 ip->cury = min(y, ip->rows - 1); 1876 ip->curx = min(x, ip->cols - 1); 1877 ip->escape = 0; 1878 snap_cury(ip); 1879 SUBR_CURSOR(ip, MOVE_CURSOR); 1880 clr_attr(ip, ATTR_INV); 1881 return; 1882 case 'A': 1883 n = ite_argnum(ip); 1884 n = ip->cury - (n ? n : 1); 1885 if (n < 0) 1886 n = 0; 1887 if (ip->inside_margins) 1888 n = max(ip->top_margin, n); 1889 else if (n == ip->top_margin - 1) 1890 /* 1891 * allow scrolling outside region, but 1892 * don't scroll out of active region 1893 * without explicit CUP 1894 */ 1895 n = ip->top_margin; 1896 ip->cury = n; 1897 ip->escape = 0; 1898 SUBR_CURSOR(ip, MOVE_CURSOR); 1899 clr_attr(ip, ATTR_INV); 1900 return; 1901 case 'B': 1902 n = ite_argnum(ip); 1903 n = ip->cury + (n ? n : 1); 1904 n = min(ip->rows - 1, n); 1905 if (ip->inside_margins) 1906 n = min(ip->bottom_margin, n); 1907 else if (n == ip->bottom_margin + 1) 1908 /* 1909 * allow scrolling outside region, but 1910 * don't scroll out of active region 1911 * without explicit CUP 1912 */ 1913 n = ip->bottom_margin; 1914 ip->cury = n; 1915 ip->escape = 0; 1916 SUBR_CURSOR(ip, MOVE_CURSOR); 1917 clr_attr(ip, ATTR_INV); 1918 return; 1919 case 'C': 1920 n = ite_argnum(ip); 1921 n = n ? n : 1; 1922 ip->curx = min(ip->curx + n, ip->cols - 1); 1923 ip->escape = 0; 1924 SUBR_CURSOR(ip, MOVE_CURSOR); 1925 clr_attr(ip, ATTR_INV); 1926 return; 1927 case 'D': 1928 n = ite_argnum(ip); 1929 n = n ? n : 1; 1930 n = ip->curx - n; 1931 ip->curx = n >= 0 ? n : 0; 1932 ip->escape = 0; 1933 SUBR_CURSOR(ip, MOVE_CURSOR); 1934 clr_attr(ip, ATTR_INV); 1935 return; 1936 case 'J': 1937 *ip->ap = 0; 1938 n = ite_zargnum(ip); 1939 if (n == 0) 1940 ite_clrtoeos(ip); 1941 else if (n == 1) 1942 ite_clrtobos(ip); 1943 else if (n == 2) 1944 ite_clrscreen(ip); 1945 ip->escape = 0; 1946 return; 1947 case 'K': 1948 n = ite_zargnum(ip); 1949 if (n == 0) 1950 ite_clrtoeol(ip); 1951 else if (n == 1) 1952 ite_clrtobol(ip); 1953 else if (n == 2) 1954 ite_clrline(ip); 1955 ip->escape = 0; 1956 return; 1957 case 'X': 1958 n = ite_argnum(ip) - 1; 1959 n = min(n, ip->cols - 1 - ip->curx); 1960 for (; n >= 0; n--) { 1961 attrclr(ip, ip->cury, ip->curx + n, 1, 1); 1962 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1963 } 1964 ip->escape = 0; 1965 return; 1966 case '}': 1967 case '`': 1968 /* status line control */ 1969 ip->escape = 0; 1970 return; 1971 case 'r': 1972 *ip->ap = 0; 1973 x = atoi(ip->argbuf); 1974 x = x ? x : 1; 1975 y = ip->rows; 1976 cp = index(ip->argbuf, ';'); 1977 if (cp) { 1978 y = atoi(cp + 1); 1979 y = y ? y : ip->rows; 1980 } 1981 if (y - x < 2) { 1982 /* 1983 * if illegal scrolling region, reset 1984 * to defaults 1985 */ 1986 x = 1; 1987 y = ip->rows; 1988 } 1989 x--; 1990 y--; 1991 ip->top_margin = min(x, ip->rows - 1); 1992 ip->bottom_margin = min(y, ip->rows - 1); 1993 if (ip->inside_margins) { 1994 ip->cury = ip->top_margin; 1995 ip->curx = 0; 1996 SUBR_CURSOR(ip, MOVE_CURSOR); 1997 } 1998 ip->escape = 0; 1999 return; 2000 case 'm': 2001 /* big attribute setter/resetter */ 2002 { char *cp; 2003 *ip->ap = 0; 2004 /* kludge to make CSIm work (== CSI0m) */ 2005 if (ip->ap == ip->argbuf) 2006 ip->ap++; 2007 for (cp = ip->argbuf; cp < ip->ap;) { 2008 switch (*cp) { 2009 case 0: 2010 case '0': 2011 clr_attr(ip, ATTR_ALL); 2012 cp++; 2013 break; 2014 2015 case '1': 2016 set_attr(ip, ATTR_BOLD); 2017 cp++; 2018 break; 2019 2020 case '2': 2021 switch (cp[1]) { 2022 case '2': 2023 clr_attr(ip, ATTR_BOLD); 2024 cp += 2; 2025 break; 2026 2027 case '4': 2028 clr_attr(ip, ATTR_UL); 2029 cp += 2; 2030 break; 2031 2032 case '5': 2033 clr_attr(ip, ATTR_BLINK); 2034 cp += 2; 2035 break; 2036 2037 case '7': 2038 clr_attr(ip, ATTR_INV); 2039 cp += 2; 2040 break; 2041 2042 default: 2043 cp++; 2044 break; 2045 } 2046 break; 2047 2048 case '4': 2049 set_attr(ip, ATTR_UL); 2050 cp++; 2051 break; 2052 2053 case '5': 2054 set_attr(ip, ATTR_BLINK); 2055 cp++; 2056 break; 2057 2058 case '7': 2059 set_attr(ip, ATTR_INV); 2060 cp++; 2061 break; 2062 2063 default: 2064 cp++; 2065 break; 2066 } 2067 } 2068 ip->escape = 0; 2069 return; } 2070 case 'u': 2071 /* DECRQTSR */ 2072 ite_sendstr("\033P\033\\"); 2073 ip->escape = 0; 2074 return; 2075 default: 2076 ip->escape = 0; 2077 return; 2078 } 2079 break; 2080 case '?': /* CSI ? */ 2081 switch (c) { 2082 case '0': 2083 case '1': 2084 case '2': 2085 case '3': 2086 case '4': 2087 case '5': 2088 case '6': 2089 case '7': 2090 case '8': 2091 case '9': 2092 case ';': 2093 case '\"': 2094 case '$': 2095 /* 2096 * Don't fill the last character; 2097 * it's needed. 2098 * XXX yeah, where ?? 2099 */ 2100 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1) 2101 *ip->ap++ = c; 2102 return; 2103 case 'n': 2104 *ip->ap = 0; 2105 if (ip->ap == &ip->argbuf[2]) { 2106 if (!strncmp(ip->argbuf, "15", 2)) 2107 /* printer status: no printer */ 2108 ite_sendstr("\033[13n"); 2109 2110 else if (!strncmp(ip->argbuf, "25", 2)) 2111 /* udk status */ 2112 ite_sendstr("\033[20n"); 2113 2114 else if (!strncmp(ip->argbuf, "26", 2)) 2115 /* keyboard dialect: US */ 2116 ite_sendstr("\033[27;1n"); 2117 } 2118 ip->escape = 0; 2119 return; 2120 case 'h': 2121 case 'l': 2122 n = ite_zargnum(ip); 2123 switch (n) { 2124 case 1: 2125 ip->cursor_appmode = (c == 'h'); 2126 break; 2127 case 3: 2128 /* 132/80 columns (132 == 'h') */ 2129 break; 2130 case 4: /* smooth scroll */ 2131 break; 2132 case 5: 2133 /* 2134 * light background (=='h') /dark 2135 * background(=='l') 2136 */ 2137 break; 2138 case 6: /* origin mode */ 2139 ip->inside_margins = (c == 'h'); 2140 ip->curx = 0; 2141 ip->cury = ip->inside_margins ? 2142 ip->top_margin : 0; 2143 SUBR_CURSOR(ip, MOVE_CURSOR); 2144 break; 2145 case 7: /* auto wraparound */ 2146 ip->auto_wrap = (c == 'h'); 2147 break; 2148 case 8: /* keyboard repeat */ 2149 ip->key_repeat = (c == 'h'); 2150 break; 2151 case 20: /* newline mode */ 2152 ip->linefeed_newline = (c == 'h'); 2153 break; 2154 case 25: /* cursor on/off */ 2155 SUBR_CURSOR(ip, (c == 'h') ? 2156 DRAW_CURSOR : ERASE_CURSOR); 2157 break; 2158 } 2159 ip->escape = 0; 2160 return; 2161 default: 2162 ip->escape = 0; 2163 return; 2164 } 2165 break; 2166 default: 2167 ip->escape = 0; 2168 return; 2169 } 2170 } 2171 switch (c) { 2172 case VT: /* VT is treated like LF */ 2173 case FF: /* so is FF */ 2174 case LF: 2175 /* 2176 * cr->crlf distinction is done here, on output, not on input! 2177 */ 2178 if (ip->linefeed_newline) 2179 ite_crlf(ip); 2180 else 2181 ite_lf(ip); 2182 break; 2183 case CR: 2184 ite_cr(ip); 2185 break; 2186 case BS: 2187 if (--ip->curx < 0) 2188 ip->curx = 0; 2189 else 2190 SUBR_CURSOR(ip, MOVE_CURSOR); 2191 break; 2192 case HT: 2193 for (n = ip->curx + 1; n < ip->cols; n++) { 2194 if (ip->tabs[n]) { 2195 ip->curx = n; 2196 SUBR_CURSOR(ip, MOVE_CURSOR); 2197 break; 2198 } 2199 } 2200 break; 2201 case BEL: 2202 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty 2203 #ifdef DRACO 2204 && !is_draco() 2205 #endif 2206 ) 2207 ite_bell(); 2208 break; 2209 case SO: 2210 ip->GL = ip->G1; 2211 break; 2212 case SI: 2213 ip->GL = ip->G0; 2214 break; 2215 case ENQ: 2216 /* send answer-back message !! */ 2217 break; 2218 case CAN: 2219 ip->escape = 0; /* cancel any escape sequence in progress */ 2220 break; 2221 case SUB: 2222 ip->escape = 0; /* dito, but see below */ 2223 /* should also display a reverse question mark!! */ 2224 break; 2225 case ESC: 2226 ip->escape = ESC; 2227 break; 2228 /* 2229 * now it gets weird.. 8bit control sequences.. 2230 */ 2231 case IND: 2232 /* index: move cursor down, scroll */ 2233 ite_lf(ip); 2234 break; 2235 case NEL: 2236 /* next line. next line, first pos. */ 2237 ite_crlf(ip); 2238 break; 2239 case HTS: 2240 /* set horizontal tab */ 2241 if (ip->curx < ip->cols) 2242 ip->tabs[ip->curx] = 1; 2243 break; 2244 case RI: 2245 /* reverse index */ 2246 ite_rlf(ip); 2247 break; 2248 case SS2: 2249 /* go into G2 for one character */ 2250 /* not yet supported */ 2251 break; 2252 case SS3: 2253 /* go into G3 for one character */ 2254 break; 2255 case DCS: 2256 /* device control string introducer */ 2257 ip->escape = DCS; 2258 ip->ap = ip->argbuf; 2259 break; 2260 case CSI: 2261 /* control sequence introducer */ 2262 ip->escape = CSI; 2263 ip->ap = ip->argbuf; 2264 break; 2265 case ST: 2266 /* string terminator */ 2267 /* ignore, if not used as terminator */ 2268 break; 2269 case OSC: 2270 /* 2271 * introduces OS command. Ignore everything 2272 * upto ST 2273 */ 2274 ip->escape = OSC; 2275 break; 2276 case PM: 2277 /* privacy message, ignore everything upto ST */ 2278 ip->escape = PM; 2279 break; 2280 case APC: 2281 /* 2282 * application program command, ignore * everything upto ST 2283 */ 2284 ip->escape = APC; 2285 break; 2286 default: 2287 if ((c & 0x7f) < ' ' || c == DEL) 2288 break; 2289 if (ip->imode) 2290 ite_inchar(ip, 1); 2291 iteprecheckwrap(ip); 2292 #ifdef DO_WEIRD_ATTRIBUTES 2293 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) { 2294 attrset(ip, ATTR_INV); 2295 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV); 2296 } else 2297 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR); 2298 #else 2299 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute); 2300 #endif 2301 SUBR_CURSOR(ip, DRAW_CURSOR); 2302 itecheckwrap(ip); 2303 break; 2304 } 2305 } 2306 2307