1 /* $NetBSD: ite.c,v 1.64 2002/10/23 09:10:32 jdolecek 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 1.64 2002/10/23 09:10:32 jdolecek 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 84 #include "grfcc.h" 85 #include "ite.h" 86 87 /* 88 * XXX go ask sys/kern/tty.c:ttselect() 89 */ 90 91 #define ITEUNIT(dev) (minor(dev)) 92 93 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip) 94 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip) 95 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m) 96 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg) 97 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w) 98 #define SUBR_SCROLL(ip,sy,sx,count,dir) \ 99 (ip)->grf->g_itescroll(ip,sy,sx,count,dir) 100 101 u_int ite_confunits; /* configured units */ 102 103 int start_repeat_timeo = 30; /* first repeat after x s/100 */ 104 int next_repeat_timeo = 10; /* next repeat after x s/100 */ 105 106 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */ 107 108 struct ite_softc con_itesoftc; 109 u_char cons_tabs[MAX_TABS]; 110 111 struct ite_softc *kbd_ite; 112 113 /* audio bell stuff */ 114 u_int bvolume = 10; 115 u_int bpitch = 660; 116 u_int bmsec = 75; 117 118 static char *bsamplep; 119 static char sample[20] = { 120 0,39,75,103,121,127,121,103,75,39,0, 121 -39,-75,-103,-121,-127,-121,-103,-75,-39 122 }; 123 124 static char *index(const char *, char); 125 void iteputchar(int c, struct ite_softc *ip); 126 void ite_putstr(const char * s, int len, dev_t dev); 127 void iteattach(struct device *, struct device *, void *); 128 int itematch(struct device *, struct cfdata *, void *); 129 static void iteprecheckwrap(struct ite_softc *); 130 static void itecheckwrap(struct ite_softc *); 131 struct ite_softc *getitesp(dev_t); 132 void init_bell(void); 133 void ite_bell(void); 134 void itecnpollc(dev_t, int); 135 static void repeat_handler(void *); 136 inline static void ite_sendstr(char *); 137 static void alignment_display(struct ite_softc *); 138 inline static void snap_cury(struct ite_softc *); 139 inline static void ite_dnchar(struct ite_softc *, int); 140 inline static void ite_inchar(struct ite_softc *, int); 141 inline static void ite_clrtoeol(struct ite_softc *); 142 inline static void ite_clrtobol(struct ite_softc *); 143 inline static void ite_clrline(struct ite_softc *); 144 inline static void ite_clrtoeos(struct ite_softc *); 145 inline static void ite_clrtobos(struct ite_softc *); 146 inline static void ite_clrscreen(struct ite_softc *); 147 inline static void ite_dnline(struct ite_softc *, int); 148 inline static void ite_inline(struct ite_softc *, int); 149 inline static void ite_lf(struct ite_softc *); 150 inline static void ite_crlf(struct ite_softc *); 151 inline static void ite_cr(struct ite_softc *); 152 inline static void ite_rlf(struct ite_softc *); 153 inline static int atoi(const char *); 154 inline static int ite_argnum(struct ite_softc *); 155 inline static int ite_zargnum(struct ite_softc *); 156 157 CFATTACH_DECL(ite, sizeof(struct ite_softc), 158 itematch, iteattach, NULL, NULL); 159 160 extern struct cfdriver ite_cd; 161 162 dev_type_open(iteopen); 163 dev_type_close(iteclose); 164 dev_type_read(iteread); 165 dev_type_write(itewrite); 166 dev_type_ioctl(iteioctl); 167 dev_type_tty(itetty); 168 dev_type_poll(itepoll); 169 170 const struct cdevsw ite_cdevsw = { 171 iteopen, iteclose, iteread, itewrite, iteioctl, 172 nostop, itetty, itepoll, nommap, ttykqfilter, D_TTY 173 }; 174 175 int 176 itematch(struct device *pdp, struct cfdata *cfp, void *auxp) 177 { 178 struct grf_softc *gp; 179 int maj; 180 181 gp = auxp; 182 /* 183 * all that our mask allows (more than enough no one 184 * has > 32 monitors for text consoles on one machine) 185 */ 186 if (cfp->cf_unit >= sizeof(ite_confunits) * NBBY) 187 return(0); 188 /* 189 * XXX 190 * normally this would be done in attach, however 191 * during early init we do not have a device pointer 192 * and thus no unit number. 193 */ 194 maj = cdevsw_lookup_major(&ite_cdevsw); 195 gp->g_itedev = makedev(maj, cfp->cf_unit); 196 return(1); 197 } 198 199 void 200 iteattach(struct device *pdp, struct device *dp, void *auxp) 201 { 202 struct grf_softc *gp; 203 struct ite_softc *ip; 204 int s; 205 206 gp = (struct grf_softc *)auxp; 207 208 /* 209 * mark unit as attached (XXX see itematch) 210 */ 211 ite_confunits |= 1 << ITEUNIT(gp->g_itedev); 212 213 if (dp) { 214 ip = (struct ite_softc *)dp; 215 216 s = spltty(); 217 if (con_itesoftc.grf != NULL && 218 con_itesoftc.grf->g_unit == gp->g_unit) { 219 /* 220 * console reinit copy params over. 221 * and console always gets keyboard 222 */ 223 bcopy(&con_itesoftc.grf, &ip->grf, 224 (char *)&ip[1] - (char *)&ip->grf); 225 con_itesoftc.grf = NULL; 226 kbd_ite = ip; 227 } 228 ip->grf = gp; 229 splx(s); 230 231 alloc_sicallback(); 232 iteinit(gp->g_itedev); 233 printf(": rows %d cols %d", ip->rows, ip->cols); 234 printf(" repeat at (%d/100)s next at (%d/100)s", 235 start_repeat_timeo, next_repeat_timeo); 236 237 if (kbd_ite == NULL) 238 kbd_ite = ip; 239 if (kbd_ite == ip) 240 printf(" has keyboard"); 241 printf("\n"); 242 } else { 243 if (con_itesoftc.grf != NULL && 244 con_itesoftc.grf->g_conpri > gp->g_conpri) 245 return; 246 con_itesoftc.grf = gp; 247 con_itesoftc.tabs = cons_tabs; 248 } 249 } 250 251 struct ite_softc * 252 getitesp(dev_t dev) 253 { 254 if (amiga_realconfig && con_itesoftc.grf == NULL) 255 return(ite_cd.cd_devs[ITEUNIT(dev)]); 256 257 if (con_itesoftc.grf == NULL) 258 panic("no ite_softc for console"); 259 return(&con_itesoftc); 260 } 261 262 /* 263 * cons.c entry points into ite device. 264 */ 265 266 /* 267 * Return a priority in consdev->cn_pri field highest wins. This function 268 * is called before any devices have been probed. 269 */ 270 void 271 itecnprobe(struct consdev *cd) 272 { 273 /* 274 * bring graphics layer up. 275 */ 276 config_console(); 277 278 /* 279 * return priority of the best ite (already picked from attach) 280 * or CN_DEAD. 281 */ 282 if (con_itesoftc.grf == NULL) 283 cd->cn_pri = CN_DEAD; 284 else { 285 cd->cn_pri = con_itesoftc.grf->g_conpri; 286 cd->cn_dev = con_itesoftc.grf->g_itedev; 287 } 288 } 289 290 /* audio bell stuff */ 291 void 292 init_bell(void) 293 { 294 if (bsamplep != NULL) 295 return; 296 bsamplep = alloc_chipmem(20); 297 if (bsamplep == NULL) 298 panic("no chipmem for ite_bell"); 299 300 bcopy(sample, bsamplep, 20); 301 } 302 303 void 304 ite_bell(void) 305 { 306 u_int clock; 307 u_int period; 308 u_int count; 309 310 clock = 3579545; /* PAL 3546895 */ 311 312 /* 313 * the number of clock ticks per sample byte must be > 124 314 * ergo bpitch must be < clock / 124*20 315 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously 316 */ 317 period = clock / (bpitch * 20); 318 count = bmsec * bpitch / 1000; 319 320 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count); 321 } 322 323 void 324 itecninit(struct consdev *cd) 325 { 326 struct ite_softc *ip; 327 328 ip = getitesp(cd->cn_dev); 329 iteinit(cd->cn_dev); 330 ip->flags |= ITE_ACTIVE | ITE_ISCONS; 331 332 #ifdef DRACO 333 if (!is_draco()) 334 #endif 335 init_bell(); 336 } 337 338 /* 339 * ite_cnfinish() is called in ite_init() when the device is 340 * being probed in the normal fasion, thus we can finish setting 341 * up this ite now that the system is more functional. 342 */ 343 void 344 ite_cnfinish(struct ite_softc *ip) 345 { 346 static int done; 347 348 if (done) 349 return; 350 done = 1; 351 } 352 353 int 354 itecngetc(dev_t dev) 355 { 356 int c; 357 358 /* XXX this should be moved */ 359 kbdenable(); 360 do { 361 c = kbdgetcn(); 362 c = ite_cnfilter(c, ITEFILT_CONSOLE); 363 } while (c == -1); 364 return (c); 365 } 366 367 void 368 itecnputc(dev_t dev, 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_t dev, int on) 387 { 388 } 389 390 /* 391 * standard entry points to the device. 392 */ 393 394 /* 395 * iteinit() is the standard entry point for initialization of 396 * an ite device, it is also called from ite_cninit(). 397 * 398 */ 399 void 400 iteinit(dev_t dev) 401 { 402 struct ite_softc *ip; 403 static int kbdmap_loaded = 0; 404 405 ip = getitesp(dev); 406 if (ip->flags & ITE_INITED) 407 return; 408 if (kbdmap_loaded == 0) { 409 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap)); 410 kbdmap_loaded = 1; 411 } 412 413 ip->cursorx = 0; 414 ip->cursory = 0; 415 SUBR_INIT(ip); 416 SUBR_CURSOR(ip, DRAW_CURSOR); 417 if (ip->tabs == NULL) 418 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK); 419 ite_reset(ip); 420 ip->flags |= ITE_INITED; 421 } 422 423 int 424 iteopen(dev_t dev, int mode, int devtype, struct proc *p) 425 { 426 struct ite_softc *ip; 427 struct tty *tp; 428 int error, first, unit; 429 430 unit = ITEUNIT(dev); 431 first = 0; 432 433 if (((1 << unit) & ite_confunits) == 0) 434 return (ENXIO); 435 436 ip = getitesp(dev); 437 438 if (ip->tp == NULL) { 439 tp = ip->tp = ttymalloc(); 440 tty_attach(tp); 441 } else 442 tp = ip->tp; 443 if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE) 444 && p->p_ucred->cr_uid != 0) 445 return (EBUSY); 446 if ((ip->flags & ITE_ACTIVE) == 0) { 447 error = ite_on(dev, 0); 448 if (error) 449 return (error); 450 first = 1; 451 } 452 tp->t_oproc = itestart; 453 tp->t_param = ite_param; 454 tp->t_dev = dev; 455 if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) { 456 ttychars(tp); 457 tp->t_iflag = TTYDEF_IFLAG; 458 tp->t_oflag = TTYDEF_OFLAG; 459 tp->t_cflag = TTYDEF_CFLAG; 460 tp->t_lflag = TTYDEF_LFLAG; 461 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; 462 tp->t_state = TS_CARR_ON; 463 ttsetwater(tp); 464 } 465 error = ttyopen(tp, 0, mode & O_NONBLOCK); 466 if (error) 467 goto bad; 468 469 error = tp->t_linesw->l_open(dev, tp); 470 if (error) 471 goto bad; 472 473 tp->t_winsize.ws_row = ip->rows; 474 tp->t_winsize.ws_col = ip->cols; 475 kbdenable(); 476 return (0); 477 bad: 478 if (first) 479 ite_off(dev, 0); 480 return (error); 481 } 482 483 int 484 iteclose(dev_t dev, int flag, int mode, struct proc *p) 485 { 486 struct tty *tp; 487 488 tp = getitesp(dev)->tp; 489 490 KDASSERT(tp); 491 tp->t_linesw->l_close(tp, flag); 492 ttyclose(tp); 493 ite_off(dev, 0); 494 return (0); 495 } 496 497 int 498 iteread(dev_t dev, struct uio *uio, int flag) 499 { 500 struct tty *tp; 501 502 tp = getitesp(dev)->tp; 503 504 KDASSERT(tp); 505 return tp->t_linesw->l_read(tp, uio, flag); 506 } 507 508 int 509 itewrite(dev_t dev, struct uio *uio, int flag) 510 { 511 struct tty *tp; 512 513 tp = getitesp(dev)->tp; 514 515 KDASSERT(tp); 516 return tp->t_linesw->l_write(tp, uio, flag); 517 } 518 519 int 520 itepoll(dev_t dev, int events, struct proc *p) 521 { 522 struct tty *tp; 523 524 tp = getitesp(dev)->tp; 525 526 KDASSERT(tp); 527 return ((*tp->t_linesw->l_poll)(tp, events, p)); 528 } 529 530 struct tty * 531 itetty(dev_t dev) 532 { 533 return (getitesp(dev)->tp); 534 } 535 536 int 537 iteioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) 538 { 539 struct iterepeat *irp; 540 struct ite_softc *ip; 541 struct itebell *ib; 542 struct tty *tp; 543 int error; 544 545 ip = getitesp(dev); 546 tp = ip->tp; 547 548 KDASSERT(tp); 549 550 error = tp->t_linesw->l_ioctl(tp, cmd, addr, flag, p); 551 if (error != EPASSTHROUGH) 552 return (error); 553 error = ttioctl(tp, cmd, addr, flag, p); 554 if (error != EPASSTHROUGH) 555 return (error); 556 557 switch (cmd) { 558 case ITEIOCGBELL: 559 ib = (struct itebell *)addr; 560 ib->volume = bvolume; 561 ib->pitch = bpitch; 562 ib->msec = bmsec; 563 return (0); 564 case ITEIOCSBELL: 565 ib = (struct itebell *)addr; 566 567 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH || 568 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME) 569 return (EINVAL); 570 bvolume = ib->volume; 571 bpitch = ib->pitch; 572 bmsec = ib->msec; 573 return (0); 574 case ITEIOCSKMAP: 575 if (addr == 0) 576 return(EFAULT); 577 bcopy(addr, &kbdmap, sizeof(struct kbdmap)); 578 return(0); 579 case ITEIOCGKMAP: 580 if (addr == NULL) 581 return(EFAULT); 582 bcopy(&kbdmap, addr, sizeof(struct kbdmap)); 583 return(0); 584 case ITEIOCGREPT: 585 irp = (struct iterepeat *)addr; 586 irp->start = start_repeat_timeo; 587 irp->next = next_repeat_timeo; 588 return (0); 589 case ITEIOCSREPT: 590 irp = (struct iterepeat *)addr; 591 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT) 592 return(EINVAL); 593 start_repeat_timeo = irp->start; 594 next_repeat_timeo = irp->next; 595 return(0); 596 } 597 #if NGRFCC > 0 598 /* XXX */ 599 if (minor(dev) == 0) { 600 error = ite_grf_ioctl(ip, cmd, addr, flag, p); 601 if (error >= 0) 602 return (error); 603 } 604 #endif 605 return (EPASSTHROUGH); 606 } 607 608 void 609 itestart(struct tty *tp) 610 { 611 struct clist *rbp; 612 struct ite_softc *ip; 613 u_char buf[ITEBURST]; 614 int s, len; 615 616 ip = getitesp(tp->t_dev); 617 618 KDASSERT(tp); 619 620 s = spltty(); { 621 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) 622 goto out; 623 624 tp->t_state |= TS_BUSY; 625 rbp = &tp->t_outq; 626 627 len = q_to_b(rbp, buf, ITEBURST); 628 } splx(s); 629 630 /* Here is a really good place to implement pre/jumpscroll() */ 631 ite_putstr(buf, len, tp->t_dev); 632 633 s = spltty(); { 634 tp->t_state &= ~TS_BUSY; 635 /* we have characters remaining. */ 636 if (rbp->c_cc) { 637 tp->t_state |= TS_TIMEOUT; 638 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp); 639 } 640 /* wakeup we are below */ 641 if (rbp->c_cc <= tp->t_lowat) { 642 if (tp->t_state & TS_ASLEEP) { 643 tp->t_state &= ~TS_ASLEEP; 644 wakeup((caddr_t) rbp); 645 } 646 selwakeup(&tp->t_wsel); 647 } 648 } 649 out: 650 splx(s); 651 } 652 653 int 654 ite_on(dev_t dev, int flag) 655 { 656 struct ite_softc *ip; 657 int unit; 658 659 unit = ITEUNIT(dev); 660 if (((1 << unit) & ite_confunits) == 0) 661 return (ENXIO); 662 663 ip = getitesp(dev); 664 665 /* force ite active, overriding graphics mode */ 666 if (flag & 1) { 667 ip->flags |= ITE_ACTIVE; 668 ip->flags &= ~(ITE_INGRF | ITE_INITED); 669 } 670 /* leave graphics mode */ 671 if (flag & 2) { 672 ip->flags &= ~ITE_INGRF; 673 if ((ip->flags & ITE_ACTIVE) == 0) 674 return (0); 675 } 676 ip->flags |= ITE_ACTIVE; 677 if (ip->flags & ITE_INGRF) 678 return (0); 679 iteinit(dev); 680 return (0); 681 } 682 683 void 684 ite_off(dev_t dev, int flag) 685 { 686 struct ite_softc *ip; 687 688 ip = getitesp(dev); 689 if (flag & 2) 690 ip->flags |= ITE_INGRF; 691 if ((ip->flags & ITE_ACTIVE) == 0) 692 return; 693 if ((flag & 1) || 694 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED) 695 SUBR_DEINIT(ip); 696 /* XXX hmm grfon() I think wants this to go inactive. */ 697 if ((flag & 2) == 0) 698 ip->flags &= ~ITE_ACTIVE; 699 } 700 701 /* XXX called after changes made in underlying grf layer. */ 702 /* I want to nuke this */ 703 void 704 ite_reinit(dev_t dev) 705 { 706 struct ite_softc *ip; 707 708 ip = getitesp(dev); 709 ip->flags &= ~ITE_INITED; 710 iteinit(dev); 711 } 712 713 int 714 ite_param(struct tty *tp, struct termios *t) 715 { 716 tp->t_ispeed = t->c_ispeed; 717 tp->t_ospeed = t->c_ospeed; 718 tp->t_cflag = t->c_cflag; 719 return (0); 720 } 721 722 void 723 ite_reset(struct ite_softc *ip) 724 { 725 int i; 726 727 ip->curx = 0; 728 ip->cury = 0; 729 ip->attribute = ATTR_NOR; 730 ip->save_curx = 0; 731 ip->save_cury = 0; 732 ip->save_attribute = ATTR_NOR; 733 ip->ap = ip->argbuf; 734 ip->emul_level = 0; 735 ip->eightbit_C1 = 0; 736 ip->top_margin = 0; 737 ip->bottom_margin = ip->rows - 1; 738 ip->inside_margins = 0; 739 ip->linefeed_newline = 0; 740 ip->auto_wrap = ite_default_wrap; 741 ip->cursor_appmode = 0; 742 ip->keypad_appmode = 0; 743 ip->imode = 0; 744 ip->key_repeat = 1; 745 bzero(ip->tabs, ip->cols); 746 for (i = 0; i < ip->cols; i++) 747 ip->tabs[i] = ((i & 7) == 0); 748 } 749 750 /* 751 * has to be global becuase of the shared filters. 752 */ 753 static u_char key_mod; 754 static u_char last_dead; 755 756 /* Used in console at startup only */ 757 int 758 ite_cnfilter(u_char c, enum caller caller) 759 { 760 struct key key; 761 u_char code, up, mask; 762 int s, i; 763 764 up = c & 0x80 ? 1 : 0; 765 c &= 0x7f; 766 code = 0; 767 768 s = spltty(); 769 770 i = (int)c - KBD_LEFT_SHIFT; 771 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) { 772 mask = 1 << i; 773 if (up) 774 key_mod &= ~mask; 775 else 776 key_mod |= mask; 777 splx(s); 778 return -1; 779 } 780 781 if (up) { 782 splx(s); 783 return -1; 784 } 785 786 /* translate modifiers */ 787 if (key_mod & KBD_MOD_SHIFT) { 788 if (key_mod & KBD_MOD_ALT) 789 key = kbdmap.alt_shift_keys[c]; 790 else 791 key = kbdmap.shift_keys[c]; 792 } else if (key_mod & KBD_MOD_ALT) 793 key = kbdmap.alt_keys[c]; 794 else { 795 key = kbdmap.keys[c]; 796 /* if CAPS and key is CAPable (no pun intended) */ 797 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 798 key = kbdmap.shift_keys[c]; 799 } 800 code = key.code; 801 802 /* if string return */ 803 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) { 804 splx(s); 805 return -1; 806 } 807 /* handle dead keys */ 808 if (key.mode & KBD_MODE_DEAD) { 809 /* if entered twice, send accent itself */ 810 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 811 last_dead = 0; 812 else { 813 last_dead = key.mode & KBD_MODE_ACCMASK; 814 splx(s); 815 return -1; 816 } 817 } 818 if (last_dead) { 819 /* can't apply dead flag to string-keys */ 820 if (code >= '@' && code < 0x7f) 821 code = 822 acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 823 last_dead = 0; 824 } 825 if (key_mod & KBD_MOD_CTRL) 826 code &= 0x1f; 827 if (key_mod & KBD_MOD_META) 828 code |= 0x80; 829 830 /* do console mapping. */ 831 code = code == '\r' ? '\n' : code; 832 833 splx(s); 834 return (code); 835 } 836 837 /* And now the old stuff. */ 838 839 /* these are used to implement repeating keys.. */ 840 static u_char last_char; 841 static u_char tout_pending; 842 843 static struct callout repeat_ch = CALLOUT_INITIALIZER; 844 845 /*ARGSUSED*/ 846 static void 847 repeat_handler(void *arg) 848 { 849 tout_pending = 0; 850 if (last_char) 851 ite_filter(last_char, ITEFILT_REPEATER); 852 } 853 854 void 855 ite_filter(u_char c, enum caller caller) 856 { 857 struct tty *kbd_tty; 858 u_char code, *str, up, mask; 859 struct key key; 860 int s, i; 861 862 if (kbd_ite == NULL || kbd_ite->tp == NULL) 863 return; 864 865 kbd_tty = kbd_ite->tp; 866 867 /* have to make sure we're at spltty in here */ 868 s = spltty(); 869 870 /* 871 * keyboard interrupts come at priority 2, while softint 872 * generated keyboard-repeat interrupts come at level 1. So, 873 * to not allow a key-up event to get thru before a repeat for 874 * the key-down, we remove any outstanding callout requests.. 875 rem_sicallback(ite_sifilter); 876 */ 877 878 up = c & 0x80 ? 1 : 0; 879 c &= 0x7f; 880 code = 0; 881 882 i = (int)c - KBD_LEFT_SHIFT; 883 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) { 884 mask = 1 << i; 885 if (up) 886 key_mod &= ~mask; 887 else 888 key_mod |= mask; 889 splx(s); 890 return; 891 } 892 /* stop repeating on up event */ 893 if (up) { 894 if (tout_pending) { 895 callout_stop(&repeat_ch); 896 tout_pending = 0; 897 last_char = 0; 898 } 899 splx(s); 900 return; 901 } else if (tout_pending && last_char != c) { 902 /* different character, stop also */ 903 callout_stop(&repeat_ch); 904 tout_pending = 0; 905 last_char = 0; 906 } 907 /* Safety button, switch back to ascii keymap. */ 908 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) { 909 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap)); 910 911 splx(s); 912 return; 913 #ifdef DDB 914 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) { 915 Debugger(); 916 splx(s); 917 return; 918 #endif 919 } 920 /* translate modifiers */ 921 if (key_mod & KBD_MOD_SHIFT) { 922 if (key_mod & KBD_MOD_ALT) 923 key = kbdmap.alt_shift_keys[c]; 924 else 925 key = kbdmap.shift_keys[c]; 926 } else if (key_mod & KBD_MOD_ALT) 927 key = kbdmap.alt_keys[c]; 928 else { 929 key = kbdmap.keys[c]; 930 /* if CAPS and key is CAPable (no pun intended) */ 931 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS)) 932 key = kbdmap.shift_keys[c]; 933 } 934 code = key.code; 935 936 /* 937 * arrange to repeat the keystroke. By doing this at the level 938 * of scan-codes, we can have function keys, and keys that 939 * send strings, repeat too. This also entitles an additional 940 * overhead, since we have to do the conversion each time, but 941 * I guess that's ok. 942 */ 943 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) { 944 tout_pending = 1; 945 last_char = c; 946 callout_reset(&repeat_ch, 947 start_repeat_timeo * hz / 100, repeat_handler, NULL); 948 } else if (!tout_pending && caller == ITEFILT_REPEATER && 949 kbd_ite->key_repeat) { 950 tout_pending = 1; 951 last_char = c; 952 callout_reset(&repeat_ch, 953 next_repeat_timeo * hz / 100, repeat_handler, NULL); 954 } 955 /* handle dead keys */ 956 if (key.mode & KBD_MODE_DEAD) { 957 /* if entered twice, send accent itself */ 958 if (last_dead == (key.mode & KBD_MODE_ACCMASK)) 959 last_dead = 0; 960 else { 961 last_dead = key.mode & KBD_MODE_ACCMASK; 962 splx(s); 963 return; 964 } 965 } 966 if (last_dead) { 967 /* can't apply dead flag to string-keys */ 968 if (!(key.mode & KBD_MODE_STRING) && code >= '@' && 969 code < 0x7f) 970 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@']; 971 last_dead = 0; 972 } 973 /* if not string, apply META and CTRL modifiers */ 974 if (!(key.mode & KBD_MODE_STRING) 975 && (!(key.mode & KBD_MODE_KPAD) || 976 (kbd_ite && !kbd_ite->keypad_appmode))) { 977 if (key_mod & KBD_MOD_CTRL) 978 code &= 0x1f; 979 if (key_mod & KBD_MOD_META) 980 code |= 0x80; 981 } else if ((key.mode & KBD_MODE_KPAD) && 982 (kbd_ite && kbd_ite->keypad_appmode)) { 983 static char in[] = { 984 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */, 985 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */, 986 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */, 987 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */, 988 0x5c /* / */, 0x5d /* * */ 989 }; 990 static char *out = "pqrstuvwxymlnMPQRS"; 991 char *cp = index (in, c); 992 993 /* 994 * keypad-appmode sends SS3 followed by the above 995 * translated character 996 */ 997 kbd_tty->t_linesw->l_rint(27, kbd_tty); 998 kbd_tty->t_linesw->l_rint('O', kbd_tty); 999 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty); 1000 splx(s); 1001 return; 1002 } else { 1003 /* *NO* I don't like this.... */ 1004 static u_char app_cursor[] = 1005 { 1006 3, 27, 'O', 'A', 1007 3, 27, 'O', 'B', 1008 3, 27, 'O', 'C', 1009 3, 27, 'O', 'D'}; 1010 1011 str = kbdmap.strings + code; 1012 /* 1013 * if this is a cursor key, AND it has the default 1014 * keymap setting, AND we're in app-cursor mode, switch 1015 * to the above table. This is *nasty* ! 1016 */ 1017 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode 1018 && !bcmp(str, "\x03\x1b[", 3) && 1019 index("ABCD", str[3])) 1020 str = app_cursor + 4 * (str[3] - 'A'); 1021 1022 /* 1023 * using a length-byte instead of 0-termination allows 1024 * to embed \0 into strings, although this is not used 1025 * in the default keymap 1026 */ 1027 for (i = *str++; i; i--) 1028 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1029 splx(s); 1030 return; 1031 } 1032 kbd_tty->t_linesw->l_rint(code, kbd_tty); 1033 1034 splx(s); 1035 return; 1036 } 1037 1038 /* helper functions, makes the code below more readable */ 1039 inline static void 1040 ite_sendstr(char *str) 1041 { 1042 struct tty *kbd_tty; 1043 1044 kbd_tty = kbd_ite->tp; 1045 KDASSERT(kbd_tty); 1046 while (*str) 1047 kbd_tty->t_linesw->l_rint(*str++, kbd_tty); 1048 } 1049 1050 static void 1051 alignment_display(struct ite_softc *ip) 1052 { 1053 int i, j; 1054 1055 for (j = 0; j < ip->rows; j++) 1056 for (i = 0; i < ip->cols; i++) 1057 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR); 1058 attrclr(ip, 0, 0, ip->rows, ip->cols); 1059 SUBR_CURSOR(ip, DRAW_CURSOR); 1060 } 1061 1062 inline static void 1063 snap_cury(struct ite_softc *ip) 1064 { 1065 if (ip->inside_margins) 1066 { 1067 if (ip->cury < ip->top_margin) 1068 ip->cury = ip->top_margin; 1069 if (ip->cury > ip->bottom_margin) 1070 ip->cury = ip->bottom_margin; 1071 } 1072 } 1073 1074 inline static void 1075 ite_dnchar(struct ite_softc *ip, int n) 1076 { 1077 n = min(n, ip->cols - ip->curx); 1078 if (n < ip->cols - ip->curx) 1079 { 1080 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT); 1081 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx, 1082 1, ip->cols - ip->curx - n); 1083 attrclr(ip, ip->cury, ip->cols - n, 1, n); 1084 } 1085 while (n-- > 0) 1086 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR); 1087 SUBR_CURSOR(ip, DRAW_CURSOR); 1088 } 1089 1090 inline static void 1091 ite_inchar(struct ite_softc *ip, int n) 1092 { 1093 n = min(n, ip->cols - ip->curx); 1094 if (n < ip->cols - ip->curx) 1095 { 1096 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT); 1097 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n, 1098 1, ip->cols - ip->curx - n); 1099 attrclr(ip, ip->cury, ip->curx, 1, n); 1100 } 1101 while (n--) 1102 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1103 SUBR_CURSOR(ip, DRAW_CURSOR); 1104 } 1105 1106 inline static void 1107 ite_clrtoeol(struct ite_softc *ip) 1108 { 1109 int y = ip->cury, x = ip->curx; 1110 if (ip->cols - x > 0) 1111 { 1112 SUBR_CLEAR(ip, y, x, 1, ip->cols - x); 1113 attrclr(ip, y, x, 1, ip->cols - x); 1114 SUBR_CURSOR(ip, DRAW_CURSOR); 1115 } 1116 } 1117 1118 inline static void 1119 ite_clrtobol(struct ite_softc *ip) 1120 { 1121 int y = ip->cury, x = min(ip->curx + 1, ip->cols); 1122 SUBR_CLEAR(ip, y, 0, 1, x); 1123 attrclr(ip, y, 0, 1, x); 1124 SUBR_CURSOR(ip, DRAW_CURSOR); 1125 } 1126 1127 inline static void 1128 ite_clrline(struct ite_softc *ip) 1129 { 1130 int y = ip->cury; 1131 SUBR_CLEAR(ip, y, 0, 1, ip->cols); 1132 attrclr(ip, y, 0, 1, ip->cols); 1133 SUBR_CURSOR(ip, DRAW_CURSOR); 1134 } 1135 1136 1137 1138 inline static void 1139 ite_clrtoeos(struct ite_softc *ip) 1140 { 1141 ite_clrtoeol(ip); 1142 if (ip->cury < ip->rows - 1) 1143 { 1144 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols); 1145 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols); 1146 SUBR_CURSOR(ip, DRAW_CURSOR); 1147 } 1148 } 1149 1150 inline static void 1151 ite_clrtobos(struct ite_softc *ip) 1152 { 1153 ite_clrtobol(ip); 1154 if (ip->cury > 0) 1155 { 1156 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols); 1157 attrclr(ip, 0, 0, ip->cury, ip->cols); 1158 SUBR_CURSOR(ip, DRAW_CURSOR); 1159 } 1160 } 1161 1162 inline static void 1163 ite_clrscreen(struct ite_softc *ip) 1164 { 1165 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols); 1166 attrclr(ip, 0, 0, ip->rows, ip->cols); 1167 SUBR_CURSOR(ip, DRAW_CURSOR); 1168 } 1169 1170 1171 1172 inline static void 1173 ite_dnline(struct ite_softc *ip, int n) 1174 { 1175 /* interesting.. if the cursor is outside the scrolling 1176 region, this command is simply ignored.. */ 1177 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1178 return; 1179 1180 n = min(n, ip->bottom_margin + 1 - ip->cury); 1181 if (n <= ip->bottom_margin - ip->cury) 1182 { 1183 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP); 1184 attrmov(ip, ip->cury + n, 0, ip->cury, 0, 1185 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1186 } 1187 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1188 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols); 1189 SUBR_CURSOR(ip, DRAW_CURSOR); 1190 } 1191 1192 inline static void 1193 ite_inline(struct ite_softc *ip, int n) 1194 { 1195 /* interesting.. if the cursor is outside the scrolling 1196 region, this command is simply ignored.. */ 1197 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin) 1198 return; 1199 1200 n = min(n, ip->bottom_margin + 1 - ip->cury); 1201 if (n <= ip->bottom_margin - ip->cury) 1202 { 1203 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN); 1204 attrmov(ip, ip->cury, 0, ip->cury + n, 0, 1205 ip->bottom_margin + 1 - ip->cury - n, ip->cols); 1206 } 1207 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols); 1208 attrclr(ip, ip->cury, 0, n, ip->cols); 1209 SUBR_CURSOR(ip, DRAW_CURSOR); 1210 } 1211 1212 inline static void 1213 ite_lf(struct ite_softc *ip) 1214 { 1215 ++ip->cury; 1216 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows)) 1217 { 1218 ip->cury--; 1219 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1220 ite_clrline(ip); 1221 } 1222 SUBR_CURSOR(ip, MOVE_CURSOR); 1223 clr_attr(ip, ATTR_INV); 1224 } 1225 1226 inline static void 1227 ite_crlf(struct ite_softc *ip) 1228 { 1229 ip->curx = 0; 1230 ite_lf (ip); 1231 } 1232 1233 inline static void 1234 ite_cr(struct ite_softc *ip) 1235 { 1236 if (ip->curx) 1237 { 1238 ip->curx = 0; 1239 SUBR_CURSOR(ip, MOVE_CURSOR); 1240 } 1241 } 1242 1243 inline static void 1244 ite_rlf(struct ite_softc *ip) 1245 { 1246 ip->cury--; 1247 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1)) 1248 { 1249 ip->cury++; 1250 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN); 1251 ite_clrline(ip); 1252 } 1253 SUBR_CURSOR(ip, MOVE_CURSOR); 1254 clr_attr(ip, ATTR_INV); 1255 } 1256 1257 inline static int 1258 atoi(const char *cp) 1259 { 1260 int n; 1261 1262 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++) 1263 n = n * 10 + *cp - '0'; 1264 1265 return n; 1266 } 1267 1268 static char * 1269 index(const char *cp, char ch) 1270 { 1271 while (*cp && *cp != ch) cp++; 1272 return *cp ? (char *) cp : 0; 1273 } 1274 1275 1276 1277 inline static int 1278 ite_argnum(struct ite_softc *ip) 1279 { 1280 char ch; 1281 int n; 1282 1283 /* convert argument string into number */ 1284 if (ip->ap == ip->argbuf) 1285 return 1; 1286 ch = *ip->ap; 1287 *ip->ap = 0; 1288 n = atoi (ip->argbuf); 1289 *ip->ap = ch; 1290 1291 return n; 1292 } 1293 1294 inline static int 1295 ite_zargnum(struct ite_softc *ip) 1296 { 1297 char ch; 1298 int n; 1299 1300 /* convert argument string into number */ 1301 if (ip->ap == ip->argbuf) 1302 return 0; 1303 ch = *ip->ap; 1304 *ip->ap = 0; 1305 n = atoi (ip->argbuf); 1306 *ip->ap = ch; 1307 1308 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */ 1309 } 1310 1311 void 1312 ite_putstr(const char *s, int len, dev_t dev) 1313 { 1314 struct ite_softc *ip; 1315 int i; 1316 1317 ip = getitesp(dev); 1318 1319 /* XXX avoid problems */ 1320 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE) 1321 return; 1322 1323 SUBR_CURSOR(ip, START_CURSOROPT); 1324 for (i = 0; i < len; i++) 1325 if (s[i]) 1326 iteputchar(s[i], ip); 1327 SUBR_CURSOR(ip, END_CURSOROPT); 1328 } 1329 1330 static void 1331 iteprecheckwrap(struct ite_softc *ip) 1332 { 1333 if (ip->auto_wrap && ip->curx == ip->cols) { 1334 ip->curx = 0; 1335 clr_attr(ip, ATTR_INV); 1336 if (++ip->cury >= ip->bottom_margin + 1) { 1337 ip->cury = ip->bottom_margin; 1338 SUBR_CURSOR(ip, MOVE_CURSOR); 1339 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1340 ite_clrtoeol(ip); 1341 } else 1342 SUBR_CURSOR(ip, MOVE_CURSOR); 1343 } 1344 } 1345 1346 static void 1347 itecheckwrap(struct ite_softc *ip) 1348 { 1349 #if 0 1350 if (++ip->curx == ip->cols) { 1351 if (ip->auto_wrap) { 1352 ip->curx = 0; 1353 clr_attr(ip, ATTR_INV); 1354 if (++ip->cury >= ip->bottom_margin + 1) { 1355 ip->cury = ip->bottom_margin; 1356 SUBR_CURSOR(ip, MOVE_CURSOR); 1357 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP); 1358 ite_clrtoeol(ip); 1359 return; 1360 } 1361 } else 1362 /* stay there if no autowrap.. */ 1363 ip->curx--; 1364 } 1365 #else 1366 if (ip->curx < ip->cols) { 1367 ip->curx++; 1368 SUBR_CURSOR(ip, MOVE_CURSOR); 1369 } 1370 #endif 1371 } 1372 1373 void 1374 iteputchar(register int c, struct ite_softc *ip) 1375 { 1376 struct tty *kbd_tty; 1377 int n, x, y; 1378 char *cp; 1379 1380 if (kbd_ite == NULL) 1381 kbd_tty = NULL; 1382 else 1383 kbd_tty = kbd_ite->tp; 1384 1385 if (ip->escape) { 1386 switch (ip->escape) { 1387 case ESC: 1388 switch (c) { 1389 /* 1390 * first 7bit equivalents for the 1391 * 8bit control characters 1392 */ 1393 case 'D': 1394 c = IND; 1395 ip->escape = 0; 1396 break; 1397 /* 1398 * and fall into the next 1399 * switch below (same for all `break') 1400 */ 1401 case 'E': 1402 c = NEL; 1403 ip->escape = 0; 1404 break; 1405 case 'H': 1406 c = HTS; 1407 ip->escape = 0; 1408 break; 1409 case 'M': 1410 c = RI; 1411 ip->escape = 0; 1412 break; 1413 case 'N': 1414 c = SS2; 1415 ip->escape = 0; 1416 break; 1417 case 'O': 1418 c = SS3; 1419 ip->escape = 0; 1420 break; 1421 case 'P': 1422 c = DCS; 1423 ip->escape = 0; 1424 break; 1425 case '[': 1426 c = CSI; 1427 ip->escape = 0; 1428 break; 1429 case '\\': 1430 c = ST; 1431 ip->escape = 0; 1432 break; 1433 case ']': 1434 c = OSC; 1435 ip->escape = 0; 1436 break; 1437 case '^': 1438 c = PM; 1439 ip->escape = 0; 1440 break; 1441 case '_': 1442 c = APC; 1443 ip->escape = 0; 1444 break; 1445 /* introduces 7/8bit control */ 1446 case ' ': 1447 /* can be followed by either F or G */ 1448 ip->escape = ' '; 1449 break; 1450 /* 1451 * a lot of character set selections, not yet 1452 * used... 94-character sets: 1453 */ 1454 case '(': /* G0 */ 1455 case ')': /* G1 */ 1456 ip->escape = c; 1457 return; 1458 case '*': /* G2 */ 1459 case '+': /* G3 */ 1460 case 'B': /* ASCII */ 1461 case 'A': /* ISO latin 1 */ 1462 case '<': /* user preferred suplemental */ 1463 case '0': /* dec special graphics */ 1464 /* 1465 * 96-character sets: 1466 */ 1467 case '-': /* G1 */ 1468 case '.': /* G2 */ 1469 case '/': /* G3 */ 1470 /* 1471 * national character sets: 1472 */ 1473 case '4': /* dutch */ 1474 case '5': 1475 case 'C': /* finnish */ 1476 case 'R': /* french */ 1477 case 'Q': /* french canadian */ 1478 case 'K': /* german */ 1479 case 'Y': /* italian */ 1480 case '6': /* norwegian/danish */ 1481 /* 1482 * note: %5 and %6 are not supported (two 1483 * chars..) 1484 */ 1485 ip->escape = 0; 1486 /* just ignore for now */ 1487 return; 1488 /* 1489 * locking shift modes (as you might guess, not 1490 * yet supported..) 1491 */ 1492 case '`': 1493 ip->GR = ip->G1; 1494 ip->escape = 0; 1495 return; 1496 case 'n': 1497 ip->GL = ip->G2; 1498 ip->escape = 0; 1499 return; 1500 case '}': 1501 ip->GR = ip->G2; 1502 ip->escape = 0; 1503 return; 1504 case 'o': 1505 ip->GL = ip->G3; 1506 ip->escape = 0; 1507 return; 1508 case '|': 1509 ip->GR = ip->G3; 1510 ip->escape = 0; 1511 return; 1512 case '#': 1513 /* font width/height control */ 1514 ip->escape = '#'; 1515 return; 1516 case 'c': 1517 /* hard terminal reset .. */ 1518 ite_reset(ip); 1519 SUBR_CURSOR(ip, MOVE_CURSOR); 1520 ip->escape = 0; 1521 return; 1522 case '7': 1523 ip->save_curx = ip->curx; 1524 ip->save_cury = ip->cury; 1525 ip->save_attribute = ip->attribute; 1526 ip->escape = 0; 1527 return; 1528 case '8': 1529 ip->curx = ip->save_curx; 1530 ip->cury = ip->save_cury; 1531 ip->attribute = ip->save_attribute; 1532 SUBR_CURSOR(ip, MOVE_CURSOR); 1533 ip->escape = 0; 1534 return; 1535 case '=': 1536 ip->keypad_appmode = 1; 1537 ip->escape = 0; 1538 return; 1539 case '>': 1540 ip->keypad_appmode = 0; 1541 ip->escape = 0; 1542 return; 1543 case 'Z': /* request ID */ 1544 /* XXX not clean */ 1545 if (ip->emul_level == EMUL_VT100) 1546 ite_sendstr("\033[?61;0c"); 1547 else 1548 ite_sendstr("\033[?63;0c"); 1549 ip->escape = 0; 1550 return; 1551 default: 1552 /* 1553 * default catch all for not recognized ESC 1554 * sequences 1555 */ 1556 ip->escape = 0; 1557 return; 1558 } 1559 break; 1560 case '(': 1561 case ')': 1562 ip->escape = 0; 1563 return; 1564 case ' ': 1565 switch (c) { 1566 case 'F': 1567 ip->eightbit_C1 = 0; 1568 ip->escape = 0; 1569 return; 1570 case 'G': 1571 ip->eightbit_C1 = 1; 1572 ip->escape = 0; 1573 return; 1574 default: 1575 /* not supported */ 1576 ip->escape = 0; 1577 return; 1578 } 1579 break; 1580 case '#': 1581 switch (c) { 1582 case '5': 1583 /* single height, single width */ 1584 ip->escape = 0; 1585 return; 1586 case '6': 1587 /* double width, single height */ 1588 ip->escape = 0; 1589 return; 1590 case '3': 1591 /* top half */ 1592 ip->escape = 0; 1593 return; 1594 case '4': 1595 /* bottom half */ 1596 ip->escape = 0; 1597 return; 1598 case '8': 1599 /* screen alignment pattern... */ 1600 alignment_display(ip); 1601 ip->escape = 0; 1602 return; 1603 default: 1604 ip->escape = 0; 1605 return; 1606 } 1607 break; 1608 case CSI: 1609 /* the biggie... */ 1610 switch (c) { 1611 case '0': 1612 case '1': 1613 case '2': 1614 case '3': 1615 case '4': 1616 case '5': 1617 case '6': 1618 case '7': 1619 case '8': 1620 case '9': 1621 case ';': 1622 case '\"': 1623 case '$': 1624 case '>': 1625 if (ip->ap < ip->argbuf + MAX_ARGSIZE) 1626 *ip->ap++ = c; 1627 return; 1628 case BS: 1629 /* 1630 * you wouldn't believe such perversion is 1631 * possible? it is.. BS is allowed in between 1632 * cursor sequences (at least), according to 1633 * vttest.. 1634 */ 1635 if (--ip->curx < 0) 1636 ip->curx = 0; 1637 else 1638 SUBR_CURSOR(ip, MOVE_CURSOR); 1639 break; 1640 case 'p': 1641 *ip->ap = 0; 1642 if (!strncmp(ip->argbuf, "61\"", 3)) 1643 ip->emul_level = EMUL_VT100; 1644 else if (!strncmp(ip->argbuf, "63;1\"", 5) 1645 || !strncmp(ip->argbuf, "62;1\"", 5)) 1646 ip->emul_level = EMUL_VT300_7; 1647 else 1648 ip->emul_level = EMUL_VT300_8; 1649 ip->escape = 0; 1650 return; 1651 case '?': 1652 *ip->ap = 0; 1653 ip->escape = '?'; 1654 ip->ap = ip->argbuf; 1655 return; 1656 case 'c': 1657 *ip->ap = 0; 1658 if (ip->argbuf[0] == '>') { 1659 ite_sendstr("\033[>24;0;0;0c"); 1660 } else 1661 switch (ite_zargnum(ip)) { 1662 case 0: 1663 /* 1664 * primary DA request, send 1665 * primary DA response 1666 */ 1667 if (ip->emul_level 1668 == EMUL_VT100) 1669 ite_sendstr( 1670 "\033[?1;1c"); 1671 else 1672 ite_sendstr( 1673 "\033[?63;1c"); 1674 break; 1675 } 1676 ip->escape = 0; 1677 return; 1678 case 'n': 1679 switch (ite_zargnum(ip)) { 1680 case 5: 1681 /* no malfunction */ 1682 ite_sendstr("\033[0n"); 1683 break; 1684 case 6: 1685 /* cursor position report */ 1686 sprintf(ip->argbuf, "\033[%d;%dR", 1687 ip->cury + 1, ip->curx + 1); 1688 ite_sendstr(ip->argbuf); 1689 break; 1690 } 1691 ip->escape = 0; 1692 return; 1693 case 'x': 1694 switch (ite_zargnum(ip)) { 1695 case 0: 1696 /* Fake some terminal parameters. */ 1697 ite_sendstr("\033[2;1;1;112;112;1;0x"); 1698 break; 1699 case 1: 1700 ite_sendstr("\033[3;1;1;112;112;1;0x"); 1701 break; 1702 } 1703 ip->escape = 0; 1704 return; 1705 case 'g': 1706 switch (ite_zargnum(ip)) { 1707 case 0: 1708 if (ip->curx < ip->cols) 1709 ip->tabs[ip->curx] = 0; 1710 break; 1711 case 3: 1712 for (n = 0; n < ip->cols; n++) 1713 ip->tabs[n] = 0; 1714 break; 1715 } 1716 ip->escape = 0; 1717 return; 1718 case 'h': 1719 case 'l': 1720 n = ite_zargnum(ip); 1721 switch (n) { 1722 case 4: 1723 /* insert/replace mode */ 1724 ip->imode = (c == 'h'); 1725 break; 1726 case 20: 1727 ip->linefeed_newline = (c == 'h'); 1728 break; 1729 } 1730 ip->escape = 0; 1731 return; 1732 case 'M': 1733 ite_dnline(ip, ite_argnum(ip)); 1734 ip->escape = 0; 1735 return; 1736 case 'L': 1737 ite_inline(ip, ite_argnum(ip)); 1738 ip->escape = 0; 1739 return; 1740 case 'P': 1741 ite_dnchar(ip, ite_argnum(ip)); 1742 ip->escape = 0; 1743 return; 1744 case '@': 1745 ite_inchar(ip, ite_argnum(ip)); 1746 ip->escape = 0; 1747 return; 1748 case 'G': 1749 /* 1750 * this one was *not* in my vt320 manual but in 1751 * a vt320 termcap entry.. who is right? It's 1752 * supposed to set the horizontal cursor 1753 * position. 1754 */ 1755 *ip->ap = 0; 1756 x = atoi(ip->argbuf); 1757 if (x) 1758 x--; 1759 ip->curx = min(x, ip->cols - 1); 1760 ip->escape = 0; 1761 SUBR_CURSOR(ip, MOVE_CURSOR); 1762 clr_attr(ip, ATTR_INV); 1763 return; 1764 case 'd': 1765 /* 1766 * same thing here, this one's for setting the 1767 * absolute vertical cursor position. Not 1768 * documented... 1769 */ 1770 *ip->ap = 0; 1771 y = atoi(ip->argbuf); 1772 if (y) 1773 y--; 1774 if (ip->inside_margins) 1775 y += ip->top_margin; 1776 ip->cury = min(y, ip->rows - 1); 1777 ip->escape = 0; 1778 snap_cury(ip); 1779 SUBR_CURSOR(ip, MOVE_CURSOR); 1780 clr_attr(ip, ATTR_INV); 1781 return; 1782 case 'H': 1783 case 'f': 1784 *ip->ap = 0; 1785 y = atoi(ip->argbuf); 1786 x = 0; 1787 cp = index(ip->argbuf, ';'); 1788 if (cp) 1789 x = atoi(cp + 1); 1790 if (x) 1791 x--; 1792 if (y) 1793 y--; 1794 if (ip->inside_margins) 1795 y += ip->top_margin; 1796 ip->cury = min(y, ip->rows - 1); 1797 ip->curx = min(x, ip->cols - 1); 1798 ip->escape = 0; 1799 snap_cury(ip); 1800 SUBR_CURSOR(ip, MOVE_CURSOR); 1801 clr_attr(ip, ATTR_INV); 1802 return; 1803 case 'A': 1804 n = ite_argnum(ip); 1805 n = ip->cury - (n ? n : 1); 1806 if (n < 0) 1807 n = 0; 1808 if (ip->inside_margins) 1809 n = max(ip->top_margin, n); 1810 else if (n == ip->top_margin - 1) 1811 /* 1812 * allow scrolling outside region, but 1813 * don't scroll out of active region 1814 * without explicit CUP 1815 */ 1816 n = ip->top_margin; 1817 ip->cury = n; 1818 ip->escape = 0; 1819 SUBR_CURSOR(ip, MOVE_CURSOR); 1820 clr_attr(ip, ATTR_INV); 1821 return; 1822 case 'B': 1823 n = ite_argnum(ip); 1824 n = ip->cury + (n ? n : 1); 1825 n = min(ip->rows - 1, n); 1826 if (ip->inside_margins) 1827 n = min(ip->bottom_margin, n); 1828 else if (n == ip->bottom_margin + 1) 1829 /* 1830 * allow scrolling outside region, but 1831 * don't scroll out of active region 1832 * without explicit CUP 1833 */ 1834 n = ip->bottom_margin; 1835 ip->cury = n; 1836 ip->escape = 0; 1837 SUBR_CURSOR(ip, MOVE_CURSOR); 1838 clr_attr(ip, ATTR_INV); 1839 return; 1840 case 'C': 1841 n = ite_argnum(ip); 1842 n = n ? n : 1; 1843 ip->curx = min(ip->curx + n, ip->cols - 1); 1844 ip->escape = 0; 1845 SUBR_CURSOR(ip, MOVE_CURSOR); 1846 clr_attr(ip, ATTR_INV); 1847 return; 1848 case 'D': 1849 n = ite_argnum(ip); 1850 n = n ? n : 1; 1851 n = ip->curx - n; 1852 ip->curx = n >= 0 ? n : 0; 1853 ip->escape = 0; 1854 SUBR_CURSOR(ip, MOVE_CURSOR); 1855 clr_attr(ip, ATTR_INV); 1856 return; 1857 case 'J': 1858 *ip->ap = 0; 1859 n = ite_zargnum(ip); 1860 if (n == 0) 1861 ite_clrtoeos(ip); 1862 else if (n == 1) 1863 ite_clrtobos(ip); 1864 else if (n == 2) 1865 ite_clrscreen(ip); 1866 ip->escape = 0; 1867 return; 1868 case 'K': 1869 n = ite_zargnum(ip); 1870 if (n == 0) 1871 ite_clrtoeol(ip); 1872 else if (n == 1) 1873 ite_clrtobol(ip); 1874 else if (n == 2) 1875 ite_clrline(ip); 1876 ip->escape = 0; 1877 return; 1878 case 'X': 1879 n = ite_argnum(ip) - 1; 1880 n = min(n, ip->cols - 1 - ip->curx); 1881 for (; n >= 0; n--) { 1882 attrclr(ip, ip->cury, ip->curx + n, 1, 1); 1883 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR); 1884 } 1885 ip->escape = 0; 1886 return; 1887 case '}': 1888 case '`': 1889 /* status line control */ 1890 ip->escape = 0; 1891 return; 1892 case 'r': 1893 *ip->ap = 0; 1894 x = atoi(ip->argbuf); 1895 x = x ? x : 1; 1896 y = ip->rows; 1897 cp = index(ip->argbuf, ';'); 1898 if (cp) { 1899 y = atoi(cp + 1); 1900 y = y ? y : ip->rows; 1901 } 1902 if (y - x < 2) { 1903 /* 1904 * if illegal scrolling region, reset 1905 * to defaults 1906 */ 1907 x = 1; 1908 y = ip->rows; 1909 } 1910 x--; 1911 y--; 1912 ip->top_margin = min(x, ip->rows - 1); 1913 ip->bottom_margin = min(y, ip->rows - 1); 1914 if (ip->inside_margins) { 1915 ip->cury = ip->top_margin; 1916 ip->curx = 0; 1917 SUBR_CURSOR(ip, MOVE_CURSOR); 1918 } 1919 ip->escape = 0; 1920 return; 1921 case 'm': 1922 /* big attribute setter/resetter */ 1923 { char *cp; 1924 *ip->ap = 0; 1925 /* kludge to make CSIm work (== CSI0m) */ 1926 if (ip->ap == ip->argbuf) 1927 ip->ap++; 1928 for (cp = ip->argbuf; cp < ip->ap;) { 1929 switch (*cp) { 1930 case 0: 1931 case '0': 1932 clr_attr(ip, ATTR_ALL); 1933 cp++; 1934 break; 1935 1936 case '1': 1937 set_attr(ip, ATTR_BOLD); 1938 cp++; 1939 break; 1940 1941 case '2': 1942 switch (cp[1]) { 1943 case '2': 1944 clr_attr(ip, ATTR_BOLD); 1945 cp += 2; 1946 break; 1947 1948 case '4': 1949 clr_attr(ip, ATTR_UL); 1950 cp += 2; 1951 break; 1952 1953 case '5': 1954 clr_attr(ip, ATTR_BLINK); 1955 cp += 2; 1956 break; 1957 1958 case '7': 1959 clr_attr(ip, ATTR_INV); 1960 cp += 2; 1961 break; 1962 1963 default: 1964 cp++; 1965 break; 1966 } 1967 break; 1968 1969 case '4': 1970 set_attr(ip, ATTR_UL); 1971 cp++; 1972 break; 1973 1974 case '5': 1975 set_attr(ip, ATTR_BLINK); 1976 cp++; 1977 break; 1978 1979 case '7': 1980 set_attr(ip, ATTR_INV); 1981 cp++; 1982 break; 1983 1984 default: 1985 cp++; 1986 break; 1987 } 1988 } 1989 ip->escape = 0; 1990 return; } 1991 case 'u': 1992 /* DECRQTSR */ 1993 ite_sendstr("\033P\033\\"); 1994 ip->escape = 0; 1995 return; 1996 default: 1997 ip->escape = 0; 1998 return; 1999 } 2000 break; 2001 case '?': /* CSI ? */ 2002 switch (c) { 2003 case '0': 2004 case '1': 2005 case '2': 2006 case '3': 2007 case '4': 2008 case '5': 2009 case '6': 2010 case '7': 2011 case '8': 2012 case '9': 2013 case ';': 2014 case '\"': 2015 case '$': 2016 /* 2017 * Don't fill the last character; 2018 * it's needed. 2019 * XXX yeah, where ?? 2020 */ 2021 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1) 2022 *ip->ap++ = c; 2023 return; 2024 case 'n': 2025 *ip->ap = 0; 2026 if (ip->ap == &ip->argbuf[2]) { 2027 if (!strncmp(ip->argbuf, "15", 2)) 2028 /* printer status: no printer */ 2029 ite_sendstr("\033[13n"); 2030 2031 else if (!strncmp(ip->argbuf, "25", 2)) 2032 /* udk status */ 2033 ite_sendstr("\033[20n"); 2034 2035 else if (!strncmp(ip->argbuf, "26", 2)) 2036 /* keyboard dialect: US */ 2037 ite_sendstr("\033[27;1n"); 2038 } 2039 ip->escape = 0; 2040 return; 2041 case 'h': 2042 case 'l': 2043 n = ite_zargnum(ip); 2044 switch (n) { 2045 case 1: 2046 ip->cursor_appmode = (c == 'h'); 2047 break; 2048 case 3: 2049 /* 132/80 columns (132 == 'h') */ 2050 break; 2051 case 4: /* smooth scroll */ 2052 break; 2053 case 5: 2054 /* 2055 * light background (=='h') /dark 2056 * background(=='l') 2057 */ 2058 break; 2059 case 6: /* origin mode */ 2060 ip->inside_margins = (c == 'h'); 2061 ip->curx = 0; 2062 ip->cury = ip->inside_margins ? 2063 ip->top_margin : 0; 2064 SUBR_CURSOR(ip, MOVE_CURSOR); 2065 break; 2066 case 7: /* auto wraparound */ 2067 ip->auto_wrap = (c == 'h'); 2068 break; 2069 case 8: /* keyboard repeat */ 2070 ip->key_repeat = (c == 'h'); 2071 break; 2072 case 20: /* newline mode */ 2073 ip->linefeed_newline = (c == 'h'); 2074 break; 2075 case 25: /* cursor on/off */ 2076 SUBR_CURSOR(ip, (c == 'h') ? 2077 DRAW_CURSOR : ERASE_CURSOR); 2078 break; 2079 } 2080 ip->escape = 0; 2081 return; 2082 default: 2083 ip->escape = 0; 2084 return; 2085 } 2086 break; 2087 default: 2088 ip->escape = 0; 2089 return; 2090 } 2091 } 2092 switch (c) { 2093 case VT: /* VT is treated like LF */ 2094 case FF: /* so is FF */ 2095 case LF: 2096 /* 2097 * cr->crlf distinction is done here, on output, not on input! 2098 */ 2099 if (ip->linefeed_newline) 2100 ite_crlf(ip); 2101 else 2102 ite_lf(ip); 2103 break; 2104 case CR: 2105 ite_cr(ip); 2106 break; 2107 case BS: 2108 if (--ip->curx < 0) 2109 ip->curx = 0; 2110 else 2111 SUBR_CURSOR(ip, MOVE_CURSOR); 2112 break; 2113 case HT: 2114 for (n = ip->curx + 1; n < ip->cols; n++) { 2115 if (ip->tabs[n]) { 2116 ip->curx = n; 2117 SUBR_CURSOR(ip, MOVE_CURSOR); 2118 break; 2119 } 2120 } 2121 break; 2122 case BEL: 2123 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty 2124 #ifdef DRACO 2125 && !is_draco() 2126 #endif 2127 ) 2128 ite_bell(); 2129 break; 2130 case SO: 2131 ip->GL = ip->G1; 2132 break; 2133 case SI: 2134 ip->GL = ip->G0; 2135 break; 2136 case ENQ: 2137 /* send answer-back message !! */ 2138 break; 2139 case CAN: 2140 ip->escape = 0; /* cancel any escape sequence in progress */ 2141 break; 2142 case SUB: 2143 ip->escape = 0; /* dito, but see below */ 2144 /* should also display a reverse question mark!! */ 2145 break; 2146 case ESC: 2147 ip->escape = ESC; 2148 break; 2149 /* 2150 * now it gets weird.. 8bit control sequences.. 2151 */ 2152 case IND: 2153 /* index: move cursor down, scroll */ 2154 ite_lf(ip); 2155 break; 2156 case NEL: 2157 /* next line. next line, first pos. */ 2158 ite_crlf(ip); 2159 break; 2160 case HTS: 2161 /* set horizontal tab */ 2162 if (ip->curx < ip->cols) 2163 ip->tabs[ip->curx] = 1; 2164 break; 2165 case RI: 2166 /* reverse index */ 2167 ite_rlf(ip); 2168 break; 2169 case SS2: 2170 /* go into G2 for one character */ 2171 /* not yet supported */ 2172 break; 2173 case SS3: 2174 /* go into G3 for one character */ 2175 break; 2176 case DCS: 2177 /* device control string introducer */ 2178 ip->escape = DCS; 2179 ip->ap = ip->argbuf; 2180 break; 2181 case CSI: 2182 /* control sequence introducer */ 2183 ip->escape = CSI; 2184 ip->ap = ip->argbuf; 2185 break; 2186 case ST: 2187 /* string terminator */ 2188 /* ignore, if not used as terminator */ 2189 break; 2190 case OSC: 2191 /* 2192 * introduces OS command. Ignore everything 2193 * upto ST 2194 */ 2195 ip->escape = OSC; 2196 break; 2197 case PM: 2198 /* privacy message, ignore everything upto ST */ 2199 ip->escape = PM; 2200 break; 2201 case APC: 2202 /* 2203 * application program command, ignore * everything upto ST 2204 */ 2205 ip->escape = APC; 2206 break; 2207 default: 2208 if ((c & 0x7f) < ' ' || c == DEL) 2209 break; 2210 if (ip->imode) 2211 ite_inchar(ip, 1); 2212 iteprecheckwrap(ip); 2213 #ifdef DO_WEIRD_ATTRIBUTES 2214 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) { 2215 attrset(ip, ATTR_INV); 2216 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV); 2217 } else 2218 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR); 2219 #else 2220 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute); 2221 #endif 2222 SUBR_CURSOR(ip, DRAW_CURSOR); 2223 itecheckwrap(ip); 2224 break; 2225 } 2226 } 2227 2228