1 /* $NetBSD: ite.c,v 1.60 2002/05/30 20:03:27 thorpej 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/cdefs.h> 53 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.60 2002/05/30 20:03:27 thorpej Exp $"); 54 55 #include <sys/param.h> 56 #include <sys/kernel.h> 57 #include <sys/device.h> 58 #include <sys/fcntl.h> 59 #include <sys/malloc.h> 60 #include <sys/ioctl.h> 61 #include <sys/tty.h> 62 #include <sys/termios.h> 63 #include <sys/systm.h> 64 #include <sys/callout.h> 65 #include <sys/proc.h> 66 #include <dev/cons.h> 67 #include <amiga/amiga/cc.h> 68 #include <amiga/amiga/color.h> /* DEBUG */ 69 #include <amiga/amiga/custom.h> /* DEBUG */ 70 #include <amiga/amiga/device.h> 71 #if defined(__m68k__) 72 #include <amiga/amiga/isr.h> 73 #endif 74 #include <amiga/dev/iteioctl.h> 75 #include <amiga/dev/itevar.h> 76 #include <amiga/dev/kbdmap.h> 77 #include <amiga/dev/grfioctl.h> 78 #include <amiga/dev/grfvar.h> 79 80 #include <machine/cpu.h> /* for is_draco() */ 81 82 #include <sys/conf.h> 83 #include <machine/conf.h> 84 85 #include "grfcc.h" 86 #include "ite.h" 87 88 /* 89 * XXX go ask sys/kern/tty.c:ttselect() 90 */ 91 92 #define ITEUNIT(dev) (minor(dev)) 93 94 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip) 95 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip) 96 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m) 97 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg) 98 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w) 99 #define SUBR_SCROLL(ip,sy,sx,count,dir) \ 100 (ip)->grf->g_itescroll(ip,sy,sx,count,dir) 101 102 u_int ite_confunits; /* configured units */ 103 104 int start_repeat_timeo = 30; /* first repeat after x s/100 */ 105 int next_repeat_timeo = 10; /* next repeat after x s/100 */ 106 107 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */ 108 109 struct ite_softc con_itesoftc; 110 u_char cons_tabs[MAX_TABS]; 111 112 struct ite_softc *kbd_ite; 113 114 /* audio bell stuff */ 115 u_int bvolume = 10; 116 u_int bpitch = 660; 117 u_int bmsec = 75; 118 119 static char *bsamplep; 120 static char sample[20] = { 121 0,39,75,103,121,127,121,103,75,39,0, 122 -39,-75,-103,-121,-127,-121,-103,-75,-39 123 }; 124 125 static char *index(const char *, char); 126 void iteputchar(int c, struct ite_softc *ip); 127 void ite_putstr(const char * s, int len, dev_t dev); 128 void iteattach(struct device *, struct device *, void *); 129 int itematch(struct device *, struct cfdata *, void *); 130 static void iteprecheckwrap(struct ite_softc *); 131 static void itecheckwrap(struct ite_softc *); 132 struct ite_softc *getitesp(dev_t); 133 void init_bell(void); 134 void ite_bell(void); 135 void itecnpollc(dev_t, int); 136 static void repeat_handler(void *); 137 inline static void ite_sendstr(char *); 138 static void alignment_display(struct ite_softc *); 139 inline static void snap_cury(struct ite_softc *); 140 inline static void ite_dnchar(struct ite_softc *, int); 141 inline static void ite_inchar(struct ite_softc *, int); 142 inline static void ite_clrtoeol(struct ite_softc *); 143 inline static void ite_clrtobol(struct ite_softc *); 144 inline static void ite_clrline(struct ite_softc *); 145 inline static void ite_clrtoeos(struct ite_softc *); 146 inline static void ite_clrtobos(struct ite_softc *); 147 inline static void ite_clrscreen(struct ite_softc *); 148 inline static void ite_dnline(struct ite_softc *, int); 149 inline static void ite_inline(struct ite_softc *, int); 150 inline static void ite_lf(struct ite_softc *); 151 inline static void ite_crlf(struct ite_softc *); 152 inline static void ite_cr(struct ite_softc *); 153 inline static void ite_rlf(struct ite_softc *); 154 inline static int atoi(const char *); 155 inline static int ite_argnum(struct ite_softc *); 156 inline static int ite_zargnum(struct ite_softc *); 157 158 struct cfattach ite_ca = { 159 sizeof(struct ite_softc), itematch, iteattach 160 }; 161 162 extern struct cfdriver ite_cd; 163 164 int 165 itematch(struct device *pdp, struct cfdata *cfp, 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(struct device *pdp, struct device *dp, void *auxp) 192 { 193 struct grf_softc *gp; 194 struct ite_softc *ip; 195 int s; 196 197 gp = (struct grf_softc *)auxp; 198 199 /* 200 * mark unit as attached (XXX see itematch) 201 */ 202 ite_confunits |= 1 << ITEUNIT(gp->g_itedev); 203 204 if (dp) { 205 ip = (struct ite_softc *)dp; 206 207 s = spltty(); 208 if (con_itesoftc.grf != NULL && 209 con_itesoftc.grf->g_unit == gp->g_unit) { 210 /* 211 * console reinit copy params over. 212 * and console always gets keyboard 213 */ 214 bcopy(&con_itesoftc.grf, &ip->grf, 215 (char *)&ip[1] - (char *)&ip->grf); 216 con_itesoftc.grf = NULL; 217 kbd_ite = ip; 218 } 219 ip->grf = gp; 220 splx(s); 221 222 alloc_sicallback(); 223 iteinit(gp->g_itedev); 224 printf(": rows %d cols %d", ip->rows, ip->cols); 225 printf(" repeat at (%d/100)s next at (%d/100)s", 226 start_repeat_timeo, next_repeat_timeo); 227 228 if (kbd_ite == NULL) 229 kbd_ite = ip; 230 if (kbd_ite == ip) 231 printf(" has keyboard"); 232 printf("\n"); 233 } else { 234 if (con_itesoftc.grf != NULL && 235 con_itesoftc.grf->g_conpri > gp->g_conpri) 236 return; 237 con_itesoftc.grf = gp; 238 con_itesoftc.tabs = cons_tabs; 239 } 240 } 241 242 struct ite_softc * 243 getitesp(dev_t dev) 244 { 245 if (amiga_realconfig && con_itesoftc.grf == NULL) 246 return(ite_cd.cd_devs[ITEUNIT(dev)]); 247 248 if (con_itesoftc.grf == NULL) 249 panic("no ite_softc for console"); 250 return(&con_itesoftc); 251 } 252 253 /* 254 * cons.c entry points into ite device. 255 */ 256 257 /* 258 * Return a priority in consdev->cn_pri field highest wins. This function 259 * is called before any devices have been probed. 260 */ 261 void 262 itecnprobe(struct consdev *cd) 263 { 264 /* 265 * bring graphics layer up. 266 */ 267 config_console(); 268 269 /* 270 * return priority of the best ite (already picked from attach) 271 * or CN_DEAD. 272 */ 273 if (con_itesoftc.grf == NULL) 274 cd->cn_pri = CN_DEAD; 275 else { 276 cd->cn_pri = con_itesoftc.grf->g_conpri; 277 cd->cn_dev = con_itesoftc.grf->g_itedev; 278 } 279 } 280 281 /* audio bell stuff */ 282 void 283 init_bell(void) 284 { 285 if (bsamplep != NULL) 286 return; 287 bsamplep = alloc_chipmem(20); 288 if (bsamplep == NULL) 289 panic("no chipmem for ite_bell"); 290 291 bcopy(sample, bsamplep, 20); 292 } 293 294 void 295 ite_bell(void) 296 { 297 u_int clock; 298 u_int period; 299 u_int count; 300 301 clock = 3579545; /* PAL 3546895 */ 302 303 /* 304 * the number of clock ticks per sample byte must be > 124 305 * ergo bpitch must be < clock / 124*20 306 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously 307 */ 308 period = clock / (bpitch * 20); 309 count = bmsec * bpitch / 1000; 310 311 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count); 312 } 313 314 void 315 itecninit(struct consdev *cd) 316 { 317 struct ite_softc *ip; 318 319 ip = getitesp(cd->cn_dev); 320 iteinit(cd->cn_dev); 321 ip->flags |= ITE_ACTIVE | ITE_ISCONS; 322 323 #ifdef DRACO 324 if (!is_draco()) 325 #endif 326 init_bell(); 327 } 328 329 /* 330 * ite_cnfinish() is called in ite_init() when the device is 331 * being probed in the normal fasion, thus we can finish setting 332 * up this ite now that the system is more functional. 333 */ 334 void 335 ite_cnfinish(struct ite_softc *ip) 336 { 337 static int done; 338 339 if (done) 340 return; 341 done = 1; 342 } 343 344 int 345 itecngetc(dev_t dev) 346 { 347 int c; 348 349 /* XXX this should be moved */ 350 kbdenable(); 351 do { 352 c = kbdgetcn(); 353 c = ite_cnfilter(c, ITEFILT_CONSOLE); 354 } while (c == -1); 355 return (c); 356 } 357 358 void 359 itecnputc(dev_t dev, int c) 360 { 361 static int paniced; 362 struct ite_softc *ip; 363 char ch; 364 365 ip = getitesp(dev); 366 ch = c; 367 368 if (panicstr && !paniced && 369 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) { 370 (void)ite_on(dev, 3); 371 paniced = 1; 372 } 373 iteputchar(ch, ip); 374 } 375 376 void 377 itecnpollc(dev_t dev, int on) 378 { 379 } 380 381 /* 382 * standard entry points to the device. 383 */ 384 385 /* 386 * iteinit() is the standard entry point for initialization of 387 * an ite device, it is also called from ite_cninit(). 388 * 389 */ 390 void 391 iteinit(dev_t dev) 392 { 393 struct ite_softc *ip; 394 static int kbdmap_loaded = 0; 395 396 ip = getitesp(dev); 397 if (ip->flags & ITE_INITED) 398 return; 399 if (kbdmap_loaded == 0) { 400 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap)); 401 kbdmap_loaded = 1; 402 } 403 404 ip->cursorx = 0; 405 ip->cursory = 0; 406 SUBR_INIT(ip); 407 SUBR_CURSOR(ip, DRAW_CURSOR); 408 if (ip->tabs == NULL) 409 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 410 ite_reset(ip); 411 ip->flags |= ITE_INITED; 412 } 413 414 int 415 iteopen(dev_t dev, int mode, int devtype, struct proc *p) 416 { 417 struct ite_softc *ip; 418 struct tty *tp; 419 int error, first, unit; 420 421 unit = ITEUNIT(dev); 422 first = 0; 423 424 if (((1 << unit) & ite_confunits) == 0) 425 return (ENXIO); 426 427 ip = getitesp(dev); 428 429 if (ip->tp == NULL) { 430 tp = ip->tp = ttymalloc(); 431 tty_attach(tp); 432 } else 433 tp = ip->tp; 434 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE) 435 && p->p_ucred->cr_uid != 0) 436 return (EBUSY); 437 if ((ip->flags & ITE_ACTIVE) == 0) { 438 error = ite_on(dev, 0); 439 if (error) 440 return (error); 441 first = 1; 442 } 443 tp->t_oproc = itestart; 444 tp->t_param = ite_param; 445 tp->t_dev = dev; 446 if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) { 447 ttychars(tp); 448 tp->t_iflag = TTYDEF_IFLAG; 449 tp->t_oflag = TTYDEF_OFLAG; 450 tp->t_cflag = TTYDEF_CFLAG; 451 tp->t_lflag = TTYDEF_LFLAG; 452 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 453 tp->t_state = TS_CARR_ON; 454 ttsetwater(tp); 455 } 456 error = ttyopen(tp, 0, mode & O_NONBLOCK); 457 if (error) 458 goto bad; 459 460 error = tp->t_linesw->l_open(dev, tp); 461 if (error) 462 goto bad; 463 464 tp->t_winsize.ws_row = ip->rows; 465 tp->t_winsize.ws_col = ip->cols; 466 kbdenable(); 467 return (0); 468 bad: 469 if (first) 470 ite_off(dev, 0); 471 return (error); 472 } 473 474 int 475 iteclose(dev_t dev, int flag, int mode, struct proc *p) 476 { 477 struct tty *tp; 478 479 tp = getitesp(dev)->tp; 480 481 KDASSERT(tp); 482 tp->t_linesw->l_close(tp, flag); 483 ttyclose(tp); 484 ite_off(dev, 0); 485 return (0); 486 } 487 488 int 489 iteread(dev_t dev, struct uio *uio, int flag) 490 { 491 struct tty *tp; 492 493 tp = getitesp(dev)->tp; 494 495 KDASSERT(tp); 496 return tp->t_linesw->l_read(tp, uio, flag); 497 } 498 499 int 500 itewrite(dev_t dev, struct uio *uio, int flag) 501 { 502 struct tty *tp; 503 504 tp = getitesp(dev)->tp; 505 506 KDASSERT(tp); 507 return tp->t_linesw->l_write(tp, uio, flag); 508 } 509 510 int 511 itepoll(dev_t dev, int events, struct proc *p) 512 { 513 struct tty *tp; 514 515 tp = getitesp(dev)->tp; 516 517 KDASSERT(tp); 518 return ((*tp->t_linesw->l_poll)(tp, events, p)); 519 } 520 521 struct tty * 522 itetty(dev_t dev) 523 { 524 return (getitesp(dev)->tp); 525 } 526 527 void 528 itestop(struct tty *tp, int flag) 529 { 530 531 } 532 533 int 534 iteioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) 535 { 536 struct iterepeat *irp; 537 struct ite_softc *ip; 538 struct itebell *ib; 539 struct tty *tp; 540 int error; 541 542 ip = getitesp(dev); 543 tp = ip->tp; 544 545 KDASSERT(tp); 546 547 error = tp->t_linesw->l_ioctl(tp, cmd, addr, flag, p); 548 if (error != EPASSTHROUGH) 549 return (error); 550 error = ttioctl(tp, cmd, addr, flag, p); 551 if (error != EPASSTHROUGH) 552 return (error); 553 554 switch (cmd) { 555 case ITEIOCGBELL: 556 ib = (struct itebell *)addr; 557 ib->volume = bvolume; 558 ib->pitch = bpitch; 559 ib->msec = bmsec; 560 return (0); 561 case ITEIOCSBELL: 562 ib = (struct itebell *)addr; 563 564 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH || 565 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME) 566 return (EINVAL); 567 bvolume = ib->volume; 568 bpitch = ib->pitch; 569 bmsec = ib->msec; 570 return (0); 571 case ITEIOCSKMAP: 572 if (addr == 0) 573 return(EFAULT); 574 bcopy(addr, &kbdmap, sizeof(struct kbdmap)); 575 return(0); 576 case ITEIOCGKMAP: 577 if (addr == NULL) 578 return(EFAULT); 579 bcopy(&kbdmap, addr, sizeof(struct kbdmap)); 580 return(0); 581 case ITEIOCGREPT: 582 irp = (struct iterepeat *)addr; 583 irp->start = start_repeat_timeo; 584 irp->next = next_repeat_timeo; 585 return (0); 586 case ITEIOCSREPT: 587 irp = (struct iterepeat *)addr; 588 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT) 589 return(EINVAL); 590 start_repeat_timeo = irp->start; 591 next_repeat_timeo = irp->next; 592 return(0); 593 } 594 #if NGRFCC > 0 595 /* XXX */ 596 if (minor(dev) == 0) { 597 error = ite_grf_ioctl(ip, cmd, addr, flag, p); 598 if (error >= 0) 599 return (error); 600 } 601 #endif 602 return (EPASSTHROUGH); 603 } 604 605 void 606 itestart(struct tty *tp) 607 { 608 struct clist *rbp; 609 struct ite_softc *ip; 610 u_char buf[ITEBURST]; 611 int s, len; 612 613 ip = getitesp(tp->t_dev); 614 615 KDASSERT(tp); 616 617 s = spltty(); { 618 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 619 goto out; 620 621 tp->t_state |= TS_BUSY; 622 rbp = &tp->t_outq; 623 624 len = q_to_b(rbp, buf, ITEBURST); 625 } splx(s); 626 627 /* Here is a really good place to implement pre/jumpscroll() */ 628 ite_putstr(buf, len, tp->t_dev); 629 630 s = spltty(); { 631 tp->t_state &= ~TS_BUSY; 632 /* we have characters remaining. */ 633 if (rbp->c_cc) { 634 tp->t_state |= TS_TIMEOUT; 635 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp); 636 } 637 /* wakeup we are below */ 638 if (rbp->c_cc <= tp->t_lowat) { 639 if (tp->t_state & TS_ASLEEP) { 640 tp->t_state &= ~TS_ASLEEP; 641 wakeup((caddr_t) rbp); 642 } 643 selwakeup(&tp->t_wsel); 644 } 645 } 646 out: 647 splx(s); 648 } 649 650 int 651 ite_on(dev_t dev, int flag) 652 { 653 struct ite_softc *ip; 654 int unit; 655 656 unit = ITEUNIT(dev); 657 if (((1 << unit) & ite_confunits) == 0) 658 return (ENXIO); 659 660 ip = getitesp(dev); 661 662 /* force ite active, overriding graphics mode */ 663 if (flag & 1) { 664 ip->flags |= ITE_ACTIVE; 665 ip->flags &= ~(ITE_INGRF | ITE_INITED); 666 } 667 /* leave graphics mode */ 668 if (flag & 2) { 669 ip->flags &= ~ITE_INGRF; 670 if ((ip->flags & ITE_ACTIVE) == 0) 671 return (0); 672 } 673 ip->flags |= ITE_ACTIVE; 674 if (ip->flags & ITE_INGRF) 675 return (0); 676 iteinit(dev); 677 return (0); 678 } 679 680 void 681 ite_off(dev_t dev, int flag) 682 { 683 struct ite_softc *ip; 684 685 ip = getitesp(dev); 686 if (flag & 2) 687 ip->flags |= ITE_INGRF; 688 if ((ip->flags & ITE_ACTIVE) == 0) 689 return; 690 if ((flag & 1) || 691 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 692 SUBR_DEINIT(ip); 693 /* XXX hmm grfon() I think wants this to go inactive. */ 694 if ((flag & 2) == 0) 695 ip->flags &= ~ITE_ACTIVE; 696 } 697 698 /* XXX called after changes made in underlying grf layer. */ 699 /* I want to nuke this */ 700 void 701 ite_reinit(dev_t dev) 702 { 703 struct ite_softc *ip; 704 705 ip = getitesp(dev); 706 ip->flags &= ~ITE_INITED; 707 iteinit(dev); 708 } 709 710 int 711 ite_param(struct tty *tp, struct termios *t) 712 { 713 tp->t_ispeed = t->c_ispeed; 714 tp->t_ospeed = t->c_ospeed; 715 tp->t_cflag = t->c_cflag; 716 return (0); 717 } 718 719 void 720 ite_reset(struct ite_softc *ip) 721 { 722 int i; 723 724 ip->curx = 0; 725 ip->cury = 0; 726 ip->attribute = ATTR_NOR; 727 ip->save_curx = 0; 728 ip->save_cury = 0; 729 ip->save_attribute = ATTR_NOR; 730 ip->ap = ip->argbuf; 731 ip->emul_level = 0; 732 ip->eightbit_C1 = 0; 733 ip->top_margin = 0; 734 ip->bottom_margin = ip->rows - 1; 735 ip->inside_margins = 0; 736 ip->linefeed_newline = 0; 737 ip->auto_wrap = ite_default_wrap; 738 ip->cursor_appmode = 0; 739 ip->keypad_appmode = 0; 740 ip->imode = 0; 741 ip->key_repeat = 1; 742 bzero(ip->tabs, ip->cols); 743 for (i = 0; i < ip->cols; i++) 744 ip->tabs[i] = ((i & 7) == 0); 745 } 746 747 /* 748 * has to be global becuase of the shared filters. 749 */ 750 static u_char key_mod; 751 static u_char last_dead; 752 753 /* Used in console at startup only */ 754 int 755 ite_cnfilter(u_char c, enum caller caller) 756 { 757 struct key key; 758 u_char code, up, mask; 759 int s, i; 760 761 up = c & 0x80 ? 1 : 0; 762 c &= 0x7f; 763 code = 0; 764 765 s = spltty(); 766 767 i = (int)c - KBD_LEFT_SHIFT; 768 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) { 769 mask = 1 << i; 770 if (up) 771 key_mod &= ~mask; 772 else 773 key_mod |= mask; 774 splx(s); 775 return -1; 776 } 777 778 if (up) { 779 splx(s); 780 return -1; 781 } 782 783 /* translate modifiers */ 784 if (key_mod & KBD_MOD_SHIFT) { 785 if (key_mod & KBD_MOD_ALT) 786 key = kbdmap.alt_shift_keys[c]; 787 else 788 key = kbdmap.shift_keys[c]; 789 } else if (key_mod & KBD_MOD_ALT) 790 key = kbdmap.alt_keys[c]; 791 else { 792 key = kbdmap.keys[c]; 793 /* if CAPS and key is CAPable (no pun intended) */ 794 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 795 key = kbdmap.shift_keys[c]; 796 } 797 code = key.code; 798 799 /* if string return */ 800 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 801 splx(s); 802 return -1; 803 } 804 /* handle dead keys */ 805 if (key.mode & KBD_MODE_DEAD) { 806 /* if entered twice, send accent itself */ 807 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 808 last_dead = 0; 809 else { 810 last_dead = key.mode & KBD_MODE_ACCMASK; 811 splx(s); 812 return -1; 813 } 814 } 815 if (last_dead) { 816 /* can't apply dead flag to string-keys */ 817 if (code >= '@' && code < 0x7f) 818 code = 819 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 820 last_dead = 0; 821 } 822 if (key_mod & KBD_MOD_CTRL) 823 code &= 0x1f; 824 if (key_mod & KBD_MOD_META) 825 code |= 0x80; 826 827 /* do console mapping. */ 828 code = code == '\r' ? '\n' : code; 829 830 splx(s); 831 return (code); 832 } 833 834 /* And now the old stuff. */ 835 836 /* these are used to implement repeating keys.. */ 837 static u_char last_char; 838 static u_char tout_pending; 839 840 static struct callout repeat_ch = CALLOUT_INITIALIZER; 841 842 /*ARGSUSED*/ 843 static void 844 repeat_handler(void *arg) 845 { 846 tout_pending = 0; 847 if (last_char) 848 ite_filter(last_char, ITEFILT_REPEATER); 849 } 850 851 void 852 ite_filter(u_char c, enum caller caller) 853 { 854 struct tty *kbd_tty; 855 u_char code, *str, up, mask; 856 struct key key; 857 int s, i; 858 859 if (kbd_ite == NULL || kbd_ite->tp == NULL) 860 return; 861 862 kbd_tty = kbd_ite->tp; 863 864 /* have to make sure we're at spltty in here */ 865 s = spltty(); 866 867 /* 868 * keyboard interrupts come at priority 2, while softint 869 * generated keyboard-repeat interrupts come at level 1. So, 870 * to not allow a key-up event to get thru before a repeat for 871 * the key-down, we remove any outstanding callout requests.. 872 rem_sicallback(ite_sifilter); 873 */ 874 875 up = c & 0x80 ? 1 : 0; 876 c &= 0x7f; 877 code = 0; 878 879 i = (int)c - KBD_LEFT_SHIFT; 880 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) { 881 mask = 1 << i; 882 if (up) 883 key_mod &= ~mask; 884 else 885 key_mod |= mask; 886 splx(s); 887 return; 888 } 889 /* stop repeating on up event */ 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 } else if (tout_pending && last_char != c) { 899 /* different character, stop also */ 900 callout_stop(&repeat_ch); 901 tout_pending = 0; 902 last_char = 0; 903 } 904 /* Safety button, switch back to ascii keymap. */ 905 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) { 906 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap)); 907 908 splx(s); 909 return; 910 #ifdef DDB 911 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) { 912 Debugger(); 913 splx(s); 914 return; 915 #endif 916 } 917 /* translate modifiers */ 918 if (key_mod & KBD_MOD_SHIFT) { 919 if (key_mod & KBD_MOD_ALT) 920 key = kbdmap.alt_shift_keys[c]; 921 else 922 key = kbdmap.shift_keys[c]; 923 } else if (key_mod & KBD_MOD_ALT) 924 key = kbdmap.alt_keys[c]; 925 else { 926 key = kbdmap.keys[c]; 927 /* if CAPS and key is CAPable (no pun intended) */ 928 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 929 key = kbdmap.shift_keys[c]; 930 } 931 code = key.code; 932 933 /* 934 * arrange to repeat the keystroke. By doing this at the level 935 * of scan-codes, we can have function keys, and keys that 936 * send strings, repeat too. This also entitles an additional 937 * overhead, since we have to do the conversion each time, but 938 * I guess that's ok. 939 */ 940 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 941 tout_pending = 1; 942 last_char = c; 943 callout_reset(&repeat_ch, 944 start_repeat_timeo * hz / 100, repeat_handler, NULL); 945 } else if (!tout_pending && caller == ITEFILT_REPEATER && 946 kbd_ite->key_repeat) { 947 tout_pending = 1; 948 last_char = c; 949 callout_reset(&repeat_ch, 950 next_repeat_timeo * hz / 100, repeat_handler, NULL); 951 } 952 /* handle dead keys */ 953 if (key.mode & KBD_MODE_DEAD) { 954 /* if entered twice, send accent itself */ 955 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 956 last_dead = 0; 957 else { 958 last_dead = key.mode & KBD_MODE_ACCMASK; 959 splx(s); 960 return; 961 } 962 } 963 if (last_dead) { 964 /* can't apply dead flag to string-keys */ 965 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 966 code < 0x7f) 967 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 968 last_dead = 0; 969 } 970 /* if not string, apply META and CTRL modifiers */ 971 if (!(key.mode & KBD_MODE_STRING) 972 && (!(key.mode & KBD_MODE_KPAD) || 973 (kbd_ite && !kbd_ite->keypad_appmode))) { 974 if (key_mod & KBD_MOD_CTRL) 975 code &= 0x1f; 976 if (key_mod & KBD_MOD_META) 977 code |= 0x80; 978 } else if ((key.mode & KBD_MODE_KPAD) && 979 (kbd_ite && kbd_ite->keypad_appmode)) { 980 static char in[] = { 981 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */, 982 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */, 983 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */, 984 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */, 985 0x5c /* / */, 0x5d /* * */ 986 }; 987 static char *out = "pqrstuvwxymlnMPQRS"; 988 char *cp = index (in, c); 989 990 /* 991 * keypad-appmode sends SS3 followed by the above 992 * translated character 993 */ 994 kbd_tty->t_linesw->l_rint(27, kbd_tty); 995 kbd_tty->t_linesw->l_rint('O', kbd_tty); 996 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty); 997 splx(s); 998 return; 999 } else { 1000 /* *NO* I don't like this.... */ 1001 static u_char app_cursor[] = 1002 { 1003 3, 27, 'O', 'A', 1004 3, 27, 'O', 'B', 1005 3, 27, 'O', 'C', 1006 3, 27, 'O', 'D'}; 1007 1008 str = kbdmap.strings + code; 1009 /* 1010 * if this is a cursor key, AND it has the default 1011 * keymap setting, AND we're in app-cursor mode, switch 1012 * to the above table. This is *nasty* ! 1013 */ 1014 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode 1015 && !bcmp(str, "\x03\x1b[", 3) && 1016 index("ABCD", str[3])) 1017 str = app_cursor + 4 * (str[3] - 'A'); 1018 1019 /* 1020 * using a length-byte instead of 0-termination allows 1021 * to embed \0 into strings, although this is not used 1022 * in the default keymap 1023 */ 1024 for (i = *str++; i; i--) 1025 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1026 splx(s); 1027 return; 1028 } 1029 kbd_tty->t_linesw->l_rint(code, kbd_tty); 1030 1031 splx(s); 1032 return; 1033 } 1034 1035 /* helper functions, makes the code below more readable */ 1036 inline static void 1037 ite_sendstr(char *str) 1038 { 1039 struct tty *kbd_tty; 1040 1041 kbd_tty = kbd_ite->tp; 1042 KDASSERT(kbd_tty); 1043 while (*str) 1044 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1045 } 1046 1047 static void 1048 alignment_display(struct ite_softc *ip) 1049 { 1050 int i, j; 1051 1052 for (j = 0; j < ip->rows; j++) 1053 for (i = 0; i < ip->cols; i++) 1054 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR); 1055 attrclr(ip, 0, 0, ip->rows, ip->cols); 1056 SUBR_CURSOR(ip, DRAW_CURSOR); 1057 } 1058 1059 inline static void 1060 snap_cury(struct ite_softc *ip) 1061 { 1062 if (ip->inside_margins) 1063 { 1064 if (ip->cury < ip->top_margin) 1065 ip->cury = ip->top_margin; 1066 if (ip->cury > ip->bottom_margin) 1067 ip->cury = ip->bottom_margin; 1068 } 1069 } 1070 1071 inline static void 1072 ite_dnchar(struct ite_softc *ip, int n) 1073 { 1074 n = min(n, ip->cols - ip->curx); 1075 if (n < ip->cols - ip->curx) 1076 { 1077 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT); 1078 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx, 1079 1, ip->cols - ip->curx - n); 1080 attrclr(ip, ip->cury, ip->cols - n, 1, n); 1081 } 1082 while (n-- > 0) 1083 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR); 1084 SUBR_CURSOR(ip, DRAW_CURSOR); 1085 } 1086 1087 inline static void 1088 ite_inchar(struct ite_softc *ip, int n) 1089 { 1090 n = min(n, ip->cols - ip->curx); 1091 if (n < ip->cols - ip->curx) 1092 { 1093 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT); 1094 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n, 1095 1, ip->cols - ip->curx - n); 1096 attrclr(ip, ip->cury, ip->curx, 1, n); 1097 } 1098 while (n--) 1099 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1100 SUBR_CURSOR(ip, DRAW_CURSOR); 1101 } 1102 1103 inline static void 1104 ite_clrtoeol(struct ite_softc *ip) 1105 { 1106 int y = ip->cury, x = ip->curx; 1107 if (ip->cols - x > 0) 1108 { 1109 SUBR_CLEAR(ip, y, x, 1, ip->cols - x); 1110 attrclr(ip, y, x, 1, ip->cols - x); 1111 SUBR_CURSOR(ip, DRAW_CURSOR); 1112 } 1113 } 1114 1115 inline static void 1116 ite_clrtobol(struct ite_softc *ip) 1117 { 1118 int y = ip->cury, x = min(ip->curx + 1, ip->cols); 1119 SUBR_CLEAR(ip, y, 0, 1, x); 1120 attrclr(ip, y, 0, 1, x); 1121 SUBR_CURSOR(ip, DRAW_CURSOR); 1122 } 1123 1124 inline static void 1125 ite_clrline(struct ite_softc *ip) 1126 { 1127 int y = ip->cury; 1128 SUBR_CLEAR(ip, y, 0, 1, ip->cols); 1129 attrclr(ip, y, 0, 1, ip->cols); 1130 SUBR_CURSOR(ip, DRAW_CURSOR); 1131 } 1132 1133 1134 1135 inline static void 1136 ite_clrtoeos(struct ite_softc *ip) 1137 { 1138 ite_clrtoeol(ip); 1139 if (ip->cury < ip->rows - 1) 1140 { 1141 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols); 1142 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols); 1143 SUBR_CURSOR(ip, DRAW_CURSOR); 1144 } 1145 } 1146 1147 inline static void 1148 ite_clrtobos(struct ite_softc *ip) 1149 { 1150 ite_clrtobol(ip); 1151 if (ip->cury > 0) 1152 { 1153 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols); 1154 attrclr(ip, 0, 0, ip->cury, ip->cols); 1155 SUBR_CURSOR(ip, DRAW_CURSOR); 1156 } 1157 } 1158 1159 inline static void 1160 ite_clrscreen(struct ite_softc *ip) 1161 { 1162 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols); 1163 attrclr(ip, 0, 0, ip->rows, ip->cols); 1164 SUBR_CURSOR(ip, DRAW_CURSOR); 1165 } 1166 1167 1168 1169 inline static void 1170 ite_dnline(struct ite_softc *ip, int n) 1171 { 1172 /* interesting.. if the cursor is outside the scrolling 1173 region, this command is simply ignored.. */ 1174 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1175 return; 1176 1177 n = min(n, ip->bottom_margin + 1 - ip->cury); 1178 if (n <= ip->bottom_margin - ip->cury) 1179 { 1180 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP); 1181 attrmov(ip, ip->cury + n, 0, ip->cury, 0, 1182 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1183 } 1184 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1185 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1186 SUBR_CURSOR(ip, DRAW_CURSOR); 1187 } 1188 1189 inline static void 1190 ite_inline(struct ite_softc *ip, int n) 1191 { 1192 /* interesting.. if the cursor is outside the scrolling 1193 region, this command is simply ignored.. */ 1194 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1195 return; 1196 1197 n = min(n, ip->bottom_margin + 1 - ip->cury); 1198 if (n <= ip->bottom_margin - ip->cury) 1199 { 1200 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN); 1201 attrmov(ip, ip->cury, 0, ip->cury + n, 0, 1202 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1203 } 1204 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols); 1205 attrclr(ip, ip->cury, 0, n, ip->cols); 1206 SUBR_CURSOR(ip, DRAW_CURSOR); 1207 } 1208 1209 inline static void 1210 ite_lf(struct ite_softc *ip) 1211 { 1212 ++ip->cury; 1213 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows)) 1214 { 1215 ip->cury--; 1216 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1217 ite_clrline(ip); 1218 } 1219 SUBR_CURSOR(ip, MOVE_CURSOR); 1220 clr_attr(ip, ATTR_INV); 1221 } 1222 1223 inline static void 1224 ite_crlf(struct ite_softc *ip) 1225 { 1226 ip->curx = 0; 1227 ite_lf (ip); 1228 } 1229 1230 inline static void 1231 ite_cr(struct ite_softc *ip) 1232 { 1233 if (ip->curx) 1234 { 1235 ip->curx = 0; 1236 SUBR_CURSOR(ip, MOVE_CURSOR); 1237 } 1238 } 1239 1240 inline static void 1241 ite_rlf(struct ite_softc *ip) 1242 { 1243 ip->cury--; 1244 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1)) 1245 { 1246 ip->cury++; 1247 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN); 1248 ite_clrline(ip); 1249 } 1250 SUBR_CURSOR(ip, MOVE_CURSOR); 1251 clr_attr(ip, ATTR_INV); 1252 } 1253 1254 inline static int 1255 atoi(const char *cp) 1256 { 1257 int n; 1258 1259 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1260 n = n * 10 + *cp - '0'; 1261 1262 return n; 1263 } 1264 1265 static char * 1266 index(const char *cp, char ch) 1267 { 1268 while (*cp && *cp != ch) cp++; 1269 return *cp ? (char *) cp : 0; 1270 } 1271 1272 1273 1274 inline static int 1275 ite_argnum(struct ite_softc *ip) 1276 { 1277 char ch; 1278 int n; 1279 1280 /* convert argument string into number */ 1281 if (ip->ap == ip->argbuf) 1282 return 1; 1283 ch = *ip->ap; 1284 *ip->ap = 0; 1285 n = atoi (ip->argbuf); 1286 *ip->ap = ch; 1287 1288 return n; 1289 } 1290 1291 inline static int 1292 ite_zargnum(struct ite_softc *ip) 1293 { 1294 char ch; 1295 int n; 1296 1297 /* convert argument string into number */ 1298 if (ip->ap == ip->argbuf) 1299 return 0; 1300 ch = *ip->ap; 1301 *ip->ap = 0; 1302 n = atoi (ip->argbuf); 1303 *ip->ap = ch; 1304 1305 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1306 } 1307 1308 void 1309 ite_putstr(const char *s, int len, dev_t dev) 1310 { 1311 struct ite_softc *ip; 1312 int i; 1313 1314 ip = getitesp(dev); 1315 1316 /* XXX avoid problems */ 1317 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1318 return; 1319 1320 SUBR_CURSOR(ip, START_CURSOROPT); 1321 for (i = 0; i < len; i++) 1322 if (s[i]) 1323 iteputchar(s[i], ip); 1324 SUBR_CURSOR(ip, END_CURSOROPT); 1325 } 1326 1327 static void 1328 iteprecheckwrap(struct ite_softc *ip) 1329 { 1330 if (ip->auto_wrap && ip->curx == ip->cols) { 1331 ip->curx = 0; 1332 clr_attr(ip, ATTR_INV); 1333 if (++ip->cury >= ip->bottom_margin + 1) { 1334 ip->cury = ip->bottom_margin; 1335 SUBR_CURSOR(ip, MOVE_CURSOR); 1336 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1337 ite_clrtoeol(ip); 1338 } else 1339 SUBR_CURSOR(ip, MOVE_CURSOR); 1340 } 1341 } 1342 1343 static void 1344 itecheckwrap(struct ite_softc *ip) 1345 { 1346 #if 0 1347 if (++ip->curx == ip->cols) { 1348 if (ip->auto_wrap) { 1349 ip->curx = 0; 1350 clr_attr(ip, ATTR_INV); 1351 if (++ip->cury >= ip->bottom_margin + 1) { 1352 ip->cury = ip->bottom_margin; 1353 SUBR_CURSOR(ip, MOVE_CURSOR); 1354 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1355 ite_clrtoeol(ip); 1356 return; 1357 } 1358 } else 1359 /* stay there if no autowrap.. */ 1360 ip->curx--; 1361 } 1362 #else 1363 if (ip->curx < ip->cols) { 1364 ip->curx++; 1365 SUBR_CURSOR(ip, MOVE_CURSOR); 1366 } 1367 #endif 1368 } 1369 1370 void 1371 iteputchar(register int c, struct ite_softc *ip) 1372 { 1373 struct tty *kbd_tty; 1374 int n, x, y; 1375 char *cp; 1376 1377 if (kbd_ite == NULL) 1378 kbd_tty = NULL; 1379 else 1380 kbd_tty = kbd_ite->tp; 1381 1382 if (ip->escape) { 1383 switch (ip->escape) { 1384 case ESC: 1385 switch (c) { 1386 /* 1387 * first 7bit equivalents for the 1388 * 8bit control characters 1389 */ 1390 case 'D': 1391 c = IND; 1392 ip->escape = 0; 1393 break; 1394 /* 1395 * and fall into the next 1396 * switch below (same for all `break') 1397 */ 1398 case 'E': 1399 c = NEL; 1400 ip->escape = 0; 1401 break; 1402 case 'H': 1403 c = HTS; 1404 ip->escape = 0; 1405 break; 1406 case 'M': 1407 c = RI; 1408 ip->escape = 0; 1409 break; 1410 case 'N': 1411 c = SS2; 1412 ip->escape = 0; 1413 break; 1414 case 'O': 1415 c = SS3; 1416 ip->escape = 0; 1417 break; 1418 case 'P': 1419 c = DCS; 1420 ip->escape = 0; 1421 break; 1422 case '[': 1423 c = CSI; 1424 ip->escape = 0; 1425 break; 1426 case '\\': 1427 c = ST; 1428 ip->escape = 0; 1429 break; 1430 case ']': 1431 c = OSC; 1432 ip->escape = 0; 1433 break; 1434 case '^': 1435 c = PM; 1436 ip->escape = 0; 1437 break; 1438 case '_': 1439 c = APC; 1440 ip->escape = 0; 1441 break; 1442 /* introduces 7/8bit control */ 1443 case ' ': 1444 /* can be followed by either F or G */ 1445 ip->escape = ' '; 1446 break; 1447 /* 1448 * a lot of character set selections, not yet 1449 * used... 94-character sets: 1450 */ 1451 case '(': /* G0 */ 1452 case ')': /* G1 */ 1453 ip->escape = c; 1454 return; 1455 case '*': /* G2 */ 1456 case '+': /* G3 */ 1457 case 'B': /* ASCII */ 1458 case 'A': /* ISO latin 1 */ 1459 case '<': /* user preferred suplemental */ 1460 case '0': /* dec special graphics */ 1461 /* 1462 * 96-character sets: 1463 */ 1464 case '-': /* G1 */ 1465 case '.': /* G2 */ 1466 case '/': /* G3 */ 1467 /* 1468 * national character sets: 1469 */ 1470 case '4': /* dutch */ 1471 case '5': 1472 case 'C': /* finnish */ 1473 case 'R': /* french */ 1474 case 'Q': /* french canadian */ 1475 case 'K': /* german */ 1476 case 'Y': /* italian */ 1477 case '6': /* norwegian/danish */ 1478 /* 1479 * note: %5 and %6 are not supported (two 1480 * chars..) 1481 */ 1482 ip->escape = 0; 1483 /* just ignore for now */ 1484 return; 1485 /* 1486 * locking shift modes (as you might guess, not 1487 * yet supported..) 1488 */ 1489 case '`': 1490 ip->GR = ip->G1; 1491 ip->escape = 0; 1492 return; 1493 case 'n': 1494 ip->GL = ip->G2; 1495 ip->escape = 0; 1496 return; 1497 case '}': 1498 ip->GR = ip->G2; 1499 ip->escape = 0; 1500 return; 1501 case 'o': 1502 ip->GL = ip->G3; 1503 ip->escape = 0; 1504 return; 1505 case '|': 1506 ip->GR = ip->G3; 1507 ip->escape = 0; 1508 return; 1509 case '#': 1510 /* font width/height control */ 1511 ip->escape = '#'; 1512 return; 1513 case 'c': 1514 /* hard terminal reset .. */ 1515 ite_reset(ip); 1516 SUBR_CURSOR(ip, MOVE_CURSOR); 1517 ip->escape = 0; 1518 return; 1519 case '7': 1520 ip->save_curx = ip->curx; 1521 ip->save_cury = ip->cury; 1522 ip->save_attribute = ip->attribute; 1523 ip->escape = 0; 1524 return; 1525 case '8': 1526 ip->curx = ip->save_curx; 1527 ip->cury = ip->save_cury; 1528 ip->attribute = ip->save_attribute; 1529 SUBR_CURSOR(ip, MOVE_CURSOR); 1530 ip->escape = 0; 1531 return; 1532 case '=': 1533 ip->keypad_appmode = 1; 1534 ip->escape = 0; 1535 return; 1536 case '>': 1537 ip->keypad_appmode = 0; 1538 ip->escape = 0; 1539 return; 1540 case 'Z': /* request ID */ 1541 /* XXX not clean */ 1542 if (ip->emul_level == EMUL_VT100) 1543 ite_sendstr("\033[?61;0c"); 1544 else 1545 ite_sendstr("\033[?63;0c"); 1546 ip->escape = 0; 1547 return; 1548 default: 1549 /* 1550 * default catch all for not recognized ESC 1551 * sequences 1552 */ 1553 ip->escape = 0; 1554 return; 1555 } 1556 break; 1557 case '(': 1558 case ')': 1559 ip->escape = 0; 1560 return; 1561 case ' ': 1562 switch (c) { 1563 case 'F': 1564 ip->eightbit_C1 = 0; 1565 ip->escape = 0; 1566 return; 1567 case 'G': 1568 ip->eightbit_C1 = 1; 1569 ip->escape = 0; 1570 return; 1571 default: 1572 /* not supported */ 1573 ip->escape = 0; 1574 return; 1575 } 1576 break; 1577 case '#': 1578 switch (c) { 1579 case '5': 1580 /* single height, single width */ 1581 ip->escape = 0; 1582 return; 1583 case '6': 1584 /* double width, single height */ 1585 ip->escape = 0; 1586 return; 1587 case '3': 1588 /* top half */ 1589 ip->escape = 0; 1590 return; 1591 case '4': 1592 /* bottom half */ 1593 ip->escape = 0; 1594 return; 1595 case '8': 1596 /* screen alignment pattern... */ 1597 alignment_display(ip); 1598 ip->escape = 0; 1599 return; 1600 default: 1601 ip->escape = 0; 1602 return; 1603 } 1604 break; 1605 case CSI: 1606 /* the biggie... */ 1607 switch (c) { 1608 case '0': 1609 case '1': 1610 case '2': 1611 case '3': 1612 case '4': 1613 case '5': 1614 case '6': 1615 case '7': 1616 case '8': 1617 case '9': 1618 case ';': 1619 case '\"': 1620 case '$': 1621 case '>': 1622 if (ip->ap < ip->argbuf + MAX_ARGSIZE) 1623 *ip->ap++ = c; 1624 return; 1625 case BS: 1626 /* 1627 * you wouldn't believe such perversion is 1628 * possible? it is.. BS is allowed in between 1629 * cursor sequences (at least), according to 1630 * vttest.. 1631 */ 1632 if (--ip->curx < 0) 1633 ip->curx = 0; 1634 else 1635 SUBR_CURSOR(ip, MOVE_CURSOR); 1636 break; 1637 case 'p': 1638 *ip->ap = 0; 1639 if (!strncmp(ip->argbuf, "61\"", 3)) 1640 ip->emul_level = EMUL_VT100; 1641 else if (!strncmp(ip->argbuf, "63;1\"", 5) 1642 || !strncmp(ip->argbuf, "62;1\"", 5)) 1643 ip->emul_level = EMUL_VT300_7; 1644 else 1645 ip->emul_level = EMUL_VT300_8; 1646 ip->escape = 0; 1647 return; 1648 case '?': 1649 *ip->ap = 0; 1650 ip->escape = '?'; 1651 ip->ap = ip->argbuf; 1652 return; 1653 case 'c': 1654 *ip->ap = 0; 1655 if (ip->argbuf[0] == '>') { 1656 ite_sendstr("\033[>24;0;0;0c"); 1657 } else 1658 switch (ite_zargnum(ip)) { 1659 case 0: 1660 /* 1661 * primary DA request, send 1662 * primary DA response 1663 */ 1664 if (ip->emul_level 1665 == EMUL_VT100) 1666 ite_sendstr( 1667 "\033[?1;1c"); 1668 else 1669 ite_sendstr( 1670 "\033[?63;1c"); 1671 break; 1672 } 1673 ip->escape = 0; 1674 return; 1675 case 'n': 1676 switch (ite_zargnum(ip)) { 1677 case 5: 1678 /* no malfunction */ 1679 ite_sendstr("\033[0n"); 1680 break; 1681 case 6: 1682 /* cursor position report */ 1683 sprintf(ip->argbuf, "\033[%d;%dR", 1684 ip->cury + 1, ip->curx + 1); 1685 ite_sendstr(ip->argbuf); 1686 break; 1687 } 1688 ip->escape = 0; 1689 return; 1690 case 'x': 1691 switch (ite_zargnum(ip)) { 1692 case 0: 1693 /* Fake some terminal parameters. */ 1694 ite_sendstr("\033[2;1;1;112;112;1;0x"); 1695 break; 1696 case 1: 1697 ite_sendstr("\033[3;1;1;112;112;1;0x"); 1698 break; 1699 } 1700 ip->escape = 0; 1701 return; 1702 case 'g': 1703 switch (ite_zargnum(ip)) { 1704 case 0: 1705 if (ip->curx < ip->cols) 1706 ip->tabs[ip->curx] = 0; 1707 break; 1708 case 3: 1709 for (n = 0; n < ip->cols; n++) 1710 ip->tabs[n] = 0; 1711 break; 1712 } 1713 ip->escape = 0; 1714 return; 1715 case 'h': 1716 case 'l': 1717 n = ite_zargnum(ip); 1718 switch (n) { 1719 case 4: 1720 /* insert/replace mode */ 1721 ip->imode = (c == 'h'); 1722 break; 1723 case 20: 1724 ip->linefeed_newline = (c == 'h'); 1725 break; 1726 } 1727 ip->escape = 0; 1728 return; 1729 case 'M': 1730 ite_dnline(ip, ite_argnum(ip)); 1731 ip->escape = 0; 1732 return; 1733 case 'L': 1734 ite_inline(ip, ite_argnum(ip)); 1735 ip->escape = 0; 1736 return; 1737 case 'P': 1738 ite_dnchar(ip, ite_argnum(ip)); 1739 ip->escape = 0; 1740 return; 1741 case '@': 1742 ite_inchar(ip, ite_argnum(ip)); 1743 ip->escape = 0; 1744 return; 1745 case 'G': 1746 /* 1747 * this one was *not* in my vt320 manual but in 1748 * a vt320 termcap entry.. who is right? It's 1749 * supposed to set the horizontal cursor 1750 * position. 1751 */ 1752 *ip->ap = 0; 1753 x = atoi(ip->argbuf); 1754 if (x) 1755 x--; 1756 ip->curx = min(x, ip->cols - 1); 1757 ip->escape = 0; 1758 SUBR_CURSOR(ip, MOVE_CURSOR); 1759 clr_attr(ip, ATTR_INV); 1760 return; 1761 case 'd': 1762 /* 1763 * same thing here, this one's for setting the 1764 * absolute vertical cursor position. Not 1765 * documented... 1766 */ 1767 *ip->ap = 0; 1768 y = atoi(ip->argbuf); 1769 if (y) 1770 y--; 1771 if (ip->inside_margins) 1772 y += ip->top_margin; 1773 ip->cury = min(y, ip->rows - 1); 1774 ip->escape = 0; 1775 snap_cury(ip); 1776 SUBR_CURSOR(ip, MOVE_CURSOR); 1777 clr_attr(ip, ATTR_INV); 1778 return; 1779 case 'H': 1780 case 'f': 1781 *ip->ap = 0; 1782 y = atoi(ip->argbuf); 1783 x = 0; 1784 cp = index(ip->argbuf, ';'); 1785 if (cp) 1786 x = atoi(cp + 1); 1787 if (x) 1788 x--; 1789 if (y) 1790 y--; 1791 if (ip->inside_margins) 1792 y += ip->top_margin; 1793 ip->cury = min(y, ip->rows - 1); 1794 ip->curx = min(x, ip->cols - 1); 1795 ip->escape = 0; 1796 snap_cury(ip); 1797 SUBR_CURSOR(ip, MOVE_CURSOR); 1798 clr_attr(ip, ATTR_INV); 1799 return; 1800 case 'A': 1801 n = ite_argnum(ip); 1802 n = ip->cury - (n ? n : 1); 1803 if (n < 0) 1804 n = 0; 1805 if (ip->inside_margins) 1806 n = max(ip->top_margin, n); 1807 else if (n == ip->top_margin - 1) 1808 /* 1809 * allow scrolling outside region, but 1810 * don't scroll out of active region 1811 * without explicit CUP 1812 */ 1813 n = ip->top_margin; 1814 ip->cury = n; 1815 ip->escape = 0; 1816 SUBR_CURSOR(ip, MOVE_CURSOR); 1817 clr_attr(ip, ATTR_INV); 1818 return; 1819 case 'B': 1820 n = ite_argnum(ip); 1821 n = ip->cury + (n ? n : 1); 1822 n = min(ip->rows - 1, n); 1823 if (ip->inside_margins) 1824 n = min(ip->bottom_margin, n); 1825 else if (n == ip->bottom_margin + 1) 1826 /* 1827 * allow scrolling outside region, but 1828 * don't scroll out of active region 1829 * without explicit CUP 1830 */ 1831 n = ip->bottom_margin; 1832 ip->cury = n; 1833 ip->escape = 0; 1834 SUBR_CURSOR(ip, MOVE_CURSOR); 1835 clr_attr(ip, ATTR_INV); 1836 return; 1837 case 'C': 1838 n = ite_argnum(ip); 1839 n = n ? n : 1; 1840 ip->curx = min(ip->curx + n, ip->cols - 1); 1841 ip->escape = 0; 1842 SUBR_CURSOR(ip, MOVE_CURSOR); 1843 clr_attr(ip, ATTR_INV); 1844 return; 1845 case 'D': 1846 n = ite_argnum(ip); 1847 n = n ? n : 1; 1848 n = ip->curx - n; 1849 ip->curx = n >= 0 ? n : 0; 1850 ip->escape = 0; 1851 SUBR_CURSOR(ip, MOVE_CURSOR); 1852 clr_attr(ip, ATTR_INV); 1853 return; 1854 case 'J': 1855 *ip->ap = 0; 1856 n = ite_zargnum(ip); 1857 if (n == 0) 1858 ite_clrtoeos(ip); 1859 else if (n == 1) 1860 ite_clrtobos(ip); 1861 else if (n == 2) 1862 ite_clrscreen(ip); 1863 ip->escape = 0; 1864 return; 1865 case 'K': 1866 n = ite_zargnum(ip); 1867 if (n == 0) 1868 ite_clrtoeol(ip); 1869 else if (n == 1) 1870 ite_clrtobol(ip); 1871 else if (n == 2) 1872 ite_clrline(ip); 1873 ip->escape = 0; 1874 return; 1875 case 'X': 1876 n = ite_argnum(ip) - 1; 1877 n = min(n, ip->cols - 1 - ip->curx); 1878 for (; n >= 0; n--) { 1879 attrclr(ip, ip->cury, ip->curx + n, 1, 1); 1880 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1881 } 1882 ip->escape = 0; 1883 return; 1884 case '}': 1885 case '`': 1886 /* status line control */ 1887 ip->escape = 0; 1888 return; 1889 case 'r': 1890 *ip->ap = 0; 1891 x = atoi(ip->argbuf); 1892 x = x ? x : 1; 1893 y = ip->rows; 1894 cp = index(ip->argbuf, ';'); 1895 if (cp) { 1896 y = atoi(cp + 1); 1897 y = y ? y : ip->rows; 1898 } 1899 if (y - x < 2) { 1900 /* 1901 * if illegal scrolling region, reset 1902 * to defaults 1903 */ 1904 x = 1; 1905 y = ip->rows; 1906 } 1907 x--; 1908 y--; 1909 ip->top_margin = min(x, ip->rows - 1); 1910 ip->bottom_margin = min(y, ip->rows - 1); 1911 if (ip->inside_margins) { 1912 ip->cury = ip->top_margin; 1913 ip->curx = 0; 1914 SUBR_CURSOR(ip, MOVE_CURSOR); 1915 } 1916 ip->escape = 0; 1917 return; 1918 case 'm': 1919 /* big attribute setter/resetter */ 1920 { char *cp; 1921 *ip->ap = 0; 1922 /* kludge to make CSIm work (== CSI0m) */ 1923 if (ip->ap == ip->argbuf) 1924 ip->ap++; 1925 for (cp = ip->argbuf; cp < ip->ap;) { 1926 switch (*cp) { 1927 case 0: 1928 case '0': 1929 clr_attr(ip, ATTR_ALL); 1930 cp++; 1931 break; 1932 1933 case '1': 1934 set_attr(ip, ATTR_BOLD); 1935 cp++; 1936 break; 1937 1938 case '2': 1939 switch (cp[1]) { 1940 case '2': 1941 clr_attr(ip, ATTR_BOLD); 1942 cp += 2; 1943 break; 1944 1945 case '4': 1946 clr_attr(ip, ATTR_UL); 1947 cp += 2; 1948 break; 1949 1950 case '5': 1951 clr_attr(ip, ATTR_BLINK); 1952 cp += 2; 1953 break; 1954 1955 case '7': 1956 clr_attr(ip, ATTR_INV); 1957 cp += 2; 1958 break; 1959 1960 default: 1961 cp++; 1962 break; 1963 } 1964 break; 1965 1966 case '4': 1967 set_attr(ip, ATTR_UL); 1968 cp++; 1969 break; 1970 1971 case '5': 1972 set_attr(ip, ATTR_BLINK); 1973 cp++; 1974 break; 1975 1976 case '7': 1977 set_attr(ip, ATTR_INV); 1978 cp++; 1979 break; 1980 1981 default: 1982 cp++; 1983 break; 1984 } 1985 } 1986 ip->escape = 0; 1987 return; } 1988 case 'u': 1989 /* DECRQTSR */ 1990 ite_sendstr("\033P\033\\"); 1991 ip->escape = 0; 1992 return; 1993 default: 1994 ip->escape = 0; 1995 return; 1996 } 1997 break; 1998 case '?': /* CSI ? */ 1999 switch (c) { 2000 case '0': 2001 case '1': 2002 case '2': 2003 case '3': 2004 case '4': 2005 case '5': 2006 case '6': 2007 case '7': 2008 case '8': 2009 case '9': 2010 case ';': 2011 case '\"': 2012 case '$': 2013 /* 2014 * Don't fill the last character; 2015 * it's needed. 2016 * XXX yeah, where ?? 2017 */ 2018 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1) 2019 *ip->ap++ = c; 2020 return; 2021 case 'n': 2022 *ip->ap = 0; 2023 if (ip->ap == &ip->argbuf[2]) { 2024 if (!strncmp(ip->argbuf, "15", 2)) 2025 /* printer status: no printer */ 2026 ite_sendstr("\033[13n"); 2027 2028 else if (!strncmp(ip->argbuf, "25", 2)) 2029 /* udk status */ 2030 ite_sendstr("\033[20n"); 2031 2032 else if (!strncmp(ip->argbuf, "26", 2)) 2033 /* keyboard dialect: US */ 2034 ite_sendstr("\033[27;1n"); 2035 } 2036 ip->escape = 0; 2037 return; 2038 case 'h': 2039 case 'l': 2040 n = ite_zargnum(ip); 2041 switch (n) { 2042 case 1: 2043 ip->cursor_appmode = (c == 'h'); 2044 break; 2045 case 3: 2046 /* 132/80 columns (132 == 'h') */ 2047 break; 2048 case 4: /* smooth scroll */ 2049 break; 2050 case 5: 2051 /* 2052 * light background (=='h') /dark 2053 * background(=='l') 2054 */ 2055 break; 2056 case 6: /* origin mode */ 2057 ip->inside_margins = (c == 'h'); 2058 ip->curx = 0; 2059 ip->cury = ip->inside_margins ? 2060 ip->top_margin : 0; 2061 SUBR_CURSOR(ip, MOVE_CURSOR); 2062 break; 2063 case 7: /* auto wraparound */ 2064 ip->auto_wrap = (c == 'h'); 2065 break; 2066 case 8: /* keyboard repeat */ 2067 ip->key_repeat = (c == 'h'); 2068 break; 2069 case 20: /* newline mode */ 2070 ip->linefeed_newline = (c == 'h'); 2071 break; 2072 case 25: /* cursor on/off */ 2073 SUBR_CURSOR(ip, (c == 'h') ? 2074 DRAW_CURSOR : ERASE_CURSOR); 2075 break; 2076 } 2077 ip->escape = 0; 2078 return; 2079 default: 2080 ip->escape = 0; 2081 return; 2082 } 2083 break; 2084 default: 2085 ip->escape = 0; 2086 return; 2087 } 2088 } 2089 switch (c) { 2090 case VT: /* VT is treated like LF */ 2091 case FF: /* so is FF */ 2092 case LF: 2093 /* 2094 * cr->crlf distinction is done here, on output, not on input! 2095 */ 2096 if (ip->linefeed_newline) 2097 ite_crlf(ip); 2098 else 2099 ite_lf(ip); 2100 break; 2101 case CR: 2102 ite_cr(ip); 2103 break; 2104 case BS: 2105 if (--ip->curx < 0) 2106 ip->curx = 0; 2107 else 2108 SUBR_CURSOR(ip, MOVE_CURSOR); 2109 break; 2110 case HT: 2111 for (n = ip->curx + 1; n < ip->cols; n++) { 2112 if (ip->tabs[n]) { 2113 ip->curx = n; 2114 SUBR_CURSOR(ip, MOVE_CURSOR); 2115 break; 2116 } 2117 } 2118 break; 2119 case BEL: 2120 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty 2121 #ifdef DRACO 2122 && !is_draco() 2123 #endif 2124 ) 2125 ite_bell(); 2126 break; 2127 case SO: 2128 ip->GL = ip->G1; 2129 break; 2130 case SI: 2131 ip->GL = ip->G0; 2132 break; 2133 case ENQ: 2134 /* send answer-back message !! */ 2135 break; 2136 case CAN: 2137 ip->escape = 0; /* cancel any escape sequence in progress */ 2138 break; 2139 case SUB: 2140 ip->escape = 0; /* dito, but see below */ 2141 /* should also display a reverse question mark!! */ 2142 break; 2143 case ESC: 2144 ip->escape = ESC; 2145 break; 2146 /* 2147 * now it gets weird.. 8bit control sequences.. 2148 */ 2149 case IND: 2150 /* index: move cursor down, scroll */ 2151 ite_lf(ip); 2152 break; 2153 case NEL: 2154 /* next line. next line, first pos. */ 2155 ite_crlf(ip); 2156 break; 2157 case HTS: 2158 /* set horizontal tab */ 2159 if (ip->curx < ip->cols) 2160 ip->tabs[ip->curx] = 1; 2161 break; 2162 case RI: 2163 /* reverse index */ 2164 ite_rlf(ip); 2165 break; 2166 case SS2: 2167 /* go into G2 for one character */ 2168 /* not yet supported */ 2169 break; 2170 case SS3: 2171 /* go into G3 for one character */ 2172 break; 2173 case DCS: 2174 /* device control string introducer */ 2175 ip->escape = DCS; 2176 ip->ap = ip->argbuf; 2177 break; 2178 case CSI: 2179 /* control sequence introducer */ 2180 ip->escape = CSI; 2181 ip->ap = ip->argbuf; 2182 break; 2183 case ST: 2184 /* string terminator */ 2185 /* ignore, if not used as terminator */ 2186 break; 2187 case OSC: 2188 /* 2189 * introduces OS command. Ignore everything 2190 * upto ST 2191 */ 2192 ip->escape = OSC; 2193 break; 2194 case PM: 2195 /* privacy message, ignore everything upto ST */ 2196 ip->escape = PM; 2197 break; 2198 case APC: 2199 /* 2200 * application program command, ignore * everything upto ST 2201 */ 2202 ip->escape = APC; 2203 break; 2204 default: 2205 if ((c & 0x7f) < ' ' || c == DEL) 2206 break; 2207 if (ip->imode) 2208 ite_inchar(ip, 1); 2209 iteprecheckwrap(ip); 2210 #ifdef DO_WEIRD_ATTRIBUTES 2211 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) { 2212 attrset(ip, ATTR_INV); 2213 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV); 2214 } else 2215 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR); 2216 #else 2217 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute); 2218 #endif 2219 SUBR_CURSOR(ip, DRAW_CURSOR); 2220 itecheckwrap(ip); 2221 break; 2222 } 2223 } 2224 2225