ite.c revision 1.68.2.1 1 /* $NetBSD: ite.c,v 1.68.2.1 2011/06/06 09:05:08 jruoho Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: Utah Hdr: ite.c 1.1 90/07/09
37 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91
38 */
39
40 /*
41 * ite - bitmapped terminal.
42 * Supports VT200, a few terminal features will be unavailable until
43 * the system actually probes the device (i.e. not after consinit())
44 */
45
46 #include <sys/cdefs.h>
47 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.68.2.1 2011/06/06 09:05:08 jruoho Exp $");
48
49 #include "opt_ddb.h"
50
51 #include <sys/param.h>
52 #include <sys/kernel.h>
53 #include <sys/conf.h>
54 #include <sys/device.h>
55 #include <sys/malloc.h>
56 #include <sys/fcntl.h>
57 #include <sys/ioctl.h>
58 #include <sys/tty.h>
59 #include <sys/termios.h>
60 #include <sys/systm.h>
61 #include <sys/callout.h>
62 #include <sys/proc.h>
63 #include <dev/cons.h>
64 #include <sys/kauth.h>
65
66 #include <machine/cpu.h>
67
68 #include <atari/atari/device.h>
69 #include <atari/dev/event_var.h>
70 #include <atari/dev/kbdmap.h>
71 #include <atari/dev/kbdvar.h>
72 #include <atari/dev/iteioctl.h>
73 #include <atari/dev/itevar.h>
74 #include <atari/dev/grfioctl.h>
75 #include <atari/dev/grfabs_reg.h>
76 #include <atari/dev/grfvar.h>
77 #include <atari/dev/viewioctl.h>
78 #include <atari/dev/viewvar.h>
79
80 #include "ioconf.h"
81
82 #define ITEUNIT(dev) (minor(dev))
83
84 #define SUBR_INIT(sc) (sc)->grf->g_iteinit(sc)
85 #define SUBR_DEINIT(sc) (sc)->grf->g_itedeinit(sc)
86 #define SUBR_PUTC(sc,c,dy,dx,m) (sc)->grf->g_iteputc(sc,c,dy,dx,m)
87 #define SUBR_CURSOR(sc,flg) (sc)->grf->g_itecursor(sc,flg)
88 #define SUBR_CLEAR(sc,sy,sx,h,w) (sc)->grf->g_iteclear(sc,sy,sx,h,w)
89 #define SUBR_SCROLL(sc,sy,sx,cnt,dir) (sc)->grf->g_itescroll(sc,sy,sx,cnt,dir)
90
91 int start_repeat_timeo = 30; /* first repeat after x s/100 */
92 int next_repeat_timeo = 10; /* next repeat after x s/100 */
93
94 /*
95 * Patchable
96 */
97 int ite_default_x = 0; /* def leftedge offset */
98 int ite_default_y = 0; /* def topedge offset */
99 int ite_default_width = 640; /* def width */
100 int ite_default_depth = 1; /* def depth */
101 int ite_default_height = 400; /* def height */
102 int ite_default_wrap = 1; /* if you want vtxxx-nam -> binpatch */
103
104 struct ite_softc con_itesoftc;
105 u_char cons_tabs[MAX_TABS];
106
107 struct ite_softc *kbd_ite;
108 int kbd_init;
109
110 static inline int atoi(const char *);
111 static inline int ite_argnum(struct ite_softc *);
112 static inline int ite_zargnum(struct ite_softc *);
113 static inline void ite_cr(struct ite_softc *);
114 static inline void ite_crlf(struct ite_softc *);
115 static inline void ite_clrline(struct ite_softc *);
116 static inline void ite_clrscreen(struct ite_softc *);
117 static inline void ite_clrtobos(struct ite_softc *);
118 static inline void ite_clrtobol(struct ite_softc *);
119 static inline void ite_clrtoeol(struct ite_softc *);
120 static inline void ite_clrtoeos(struct ite_softc *);
121 static inline void ite_dnchar(struct ite_softc *, int);
122 static inline void ite_inchar(struct ite_softc *, int);
123 static inline void ite_inline(struct ite_softc *, int);
124 static inline void ite_lf(struct ite_softc *);
125 static inline void ite_dnline(struct ite_softc *, int);
126 static inline void ite_rlf(struct ite_softc *);
127 static inline void ite_sendstr(const char *);
128 static inline void snap_cury(struct ite_softc *);
129
130 static void alignment_display(struct ite_softc *);
131 static struct ite_softc *getitesp(dev_t);
132 static void itecheckwrap(struct ite_softc *);
133 static void iteprecheckwrap(struct ite_softc *);
134 static void itestart(struct tty *);
135 static void ite_switch(int);
136 static void repeat_handler(void *);
137
138 void iteputchar(int c, struct ite_softc *sc);
139 void ite_putstr(const u_char * s, int len, dev_t dev);
140 void iteattach(device_t, device_t, void *);
141 int itematch(device_t, cfdata_t, void *);
142
143 /*
144 * Console specific types.
145 */
146 dev_type_cnprobe(itecnprobe);
147 dev_type_cninit(itecninit);
148 dev_type_cngetc(itecngetc);
149 dev_type_cnputc(itecnputc);
150
151 CFATTACH_DECL_NEW(ite, sizeof(struct ite_softc),
152 itematch, iteattach, NULL, NULL);
153
154 dev_type_open(iteopen);
155 dev_type_close(iteclose);
156 dev_type_read(iteread);
157 dev_type_write(itewrite);
158 dev_type_ioctl(iteioctl);
159 dev_type_tty(itetty);
160 dev_type_poll(itepoll);
161
162 const struct cdevsw ite_cdevsw = {
163 iteopen, iteclose, iteread, itewrite, iteioctl,
164 nostop, itetty, itepoll, nommap, ttykqfilter, D_TTY
165 };
166
167 /*
168 * Keep track of the device number of the ite console. Only used in the
169 * itematch/iteattach functions.
170 */
171 static int cons_ite = -1;
172
173 int
174 itematch(device_t parent, cfdata_t cf, void *aux)
175 {
176
177 /*
178 * Handle early console stuff. The first unit number
179 * is the console unit. All other early matches will fail.
180 */
181 if (atari_realconfig == 0) {
182 if (cons_ite >= 0)
183 return 0;
184 cons_ite = cf->cf_unit;
185 return 1;
186 }
187 return 1;
188 }
189
190 void
191 iteattach(device_t parent, device_t self, void *aux)
192 {
193 struct grf_softc *gsc;
194 struct ite_softc *sc;
195 int s;
196 int maj, unit;
197
198 gsc = device_private(parent);
199 sc = device_private(self);
200
201 maj = cdevsw_lookup_major(&ite_cdevsw);
202 unit = (self != NULL) ? device_unit(self) : cons_ite;
203 gsc->g_itedev = makedev(maj, unit);
204
205 if (self != NULL) {
206 s = spltty();
207 if (con_itesoftc.grf != NULL &&
208 con_itesoftc.grf->g_unit == gsc->g_unit) {
209 /*
210 * console reinit copy params over.
211 * and console always gets keyboard
212 */
213 memcpy(&sc->grf, &con_itesoftc.grf,
214 (char *)&sc[1] - (char *)&sc->grf);
215 con_itesoftc.grf = NULL;
216 kbd_ite = sc;
217 }
218 sc->grf = gsc;
219 splx(s);
220
221 iteinit(gsc->g_itedev);
222 printf(": %dx%d", sc->rows, sc->cols);
223 printf(" repeat at (%d/100)s next at (%d/100)s",
224 start_repeat_timeo, next_repeat_timeo);
225
226 if (kbd_ite == NULL)
227 kbd_ite = sc;
228 if (kbd_ite == sc)
229 printf(" has keyboard");
230 printf("\n");
231 sc->flags |= ITE_ATTACHED;
232 } else {
233 if (con_itesoftc.grf != NULL &&
234 con_itesoftc.grf->g_conpri > gsc->g_conpri)
235 return;
236 con_itesoftc.grf = gsc;
237 con_itesoftc.tabs = cons_tabs;
238 }
239 }
240
241 static struct ite_softc *
242 getitesp(dev_t dev)
243 {
244
245 if (atari_realconfig && (con_itesoftc.grf == NULL))
246 return(device_lookup_private(&ite_cd, 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 * return priority of the best ite (already picked from attach)
266 * or CN_DEAD.
267 */
268 if (con_itesoftc.grf == NULL)
269 cd->cn_pri = CN_DEAD;
270 else {
271 cd->cn_pri = con_itesoftc.grf->g_conpri;
272 cd->cn_dev = con_itesoftc.grf->g_itedev;
273 }
274 }
275
276 void
277 itecninit(struct consdev *cd)
278 {
279 struct ite_softc *sc;
280
281 sc = getitesp(cd->cn_dev);
282 sc->flags |= ITE_ISCONS;
283 iteinit(cd->cn_dev);
284 sc->flags |= ITE_ACTIVE | ITE_ISCONS;
285 }
286
287 /*
288 * ite_cnfinish() is called in ite_init() when the device is
289 * being probed in the normal fasion, thus we can finish setting
290 * up this ite now that the system is more functional.
291 */
292 void
293 ite_cnfinish(struct ite_softc *sc)
294 {
295 static int done;
296
297 if (done)
298 return;
299 done = 1;
300 }
301
302 int
303 itecngetc(dev_t dev)
304 {
305 int c;
306
307 do {
308 c = kbdgetcn();
309 c = ite_cnfilter(c, ITEFILT_CONSOLE);
310 } while (c == -1);
311 return (c);
312 }
313
314 void
315 itecnputc(dev_t dev, int c)
316 {
317 static int paniced;
318 struct ite_softc *sc;
319 char ch;
320
321 sc = getitesp(dev);
322 ch = c;
323
324 if (panicstr && !paniced &&
325 (sc->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
326 ite_on(dev, 3);
327 paniced = 1;
328 }
329 SUBR_CURSOR(sc, START_CURSOROPT);
330 iteputchar(ch, sc);
331 SUBR_CURSOR(sc, END_CURSOROPT);
332 }
333
334 /*
335 * standard entry points to the device.
336 */
337
338 /*
339 * iteinit() is the standard entry point for initialization of
340 * an ite device, it is also called from itecninit().
341 *
342 */
343 void
344 iteinit(dev_t dev)
345 {
346 struct ite_softc *sc;
347
348 sc = getitesp(dev);
349 if (sc->flags & ITE_INITED)
350 return;
351 if (atari_realconfig) {
352 if (sc->kbdmap && sc->kbdmap != &ascii_kbdmap)
353 free(sc->kbdmap, M_DEVBUF);
354 sc->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK);
355 memcpy(sc->kbdmap, &ascii_kbdmap, sizeof(struct kbdmap));
356 }
357 else
358 sc->kbdmap = &ascii_kbdmap;
359
360 sc->cursorx = 0;
361 sc->cursory = 0;
362 SUBR_INIT(sc);
363 SUBR_CURSOR(sc, DRAW_CURSOR);
364 if (sc->tabs == NULL)
365 sc->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
366 ite_reset(sc);
367 sc->flags |= ITE_INITED;
368 }
369
370 int
371 iteopen(dev_t dev, int mode, int devtype, struct lwp *l)
372 {
373 struct ite_softc *sc;
374 struct tty *tp;
375 int error, first, unit;
376
377 unit = ITEUNIT(dev);
378 if (unit >= ite_cd.cd_ndevs)
379 return ENXIO;
380
381 first = 0;
382 sc = getitesp(dev);
383 if (sc == NULL)
384 return ENXIO;
385 if ((sc->flags & ITE_ATTACHED) == 0)
386 return (ENXIO);
387
388 if (sc->tp == NULL) {
389 tp = sc->tp = tty_alloc();
390 tty_attach(tp);
391 }
392 else
393 tp = sc->tp;
394
395 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp))
396 return (EBUSY);
397
398 if ((sc->flags & ITE_ACTIVE) == 0) {
399 ite_on(dev, 0);
400 first = 1;
401 }
402 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) {
403 tp->t_oproc = itestart;
404 tp->t_param = ite_param;
405 tp->t_dev = dev;
406 tp->t_iflag = TTYDEF_IFLAG;
407 tp->t_oflag = TTYDEF_OFLAG;
408 tp->t_cflag = TTYDEF_CFLAG;
409 tp->t_lflag = TTYDEF_LFLAG;
410 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
411 tp->t_state = TS_CARR_ON;
412 ttychars(tp);
413 ttsetwater(tp);
414 }
415
416
417 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0);
418 if (error)
419 goto bad;
420
421 error = (*tp->t_linesw->l_open) (dev, tp);
422 if (error)
423 goto bad;
424
425 tp->t_winsize.ws_row = sc->rows;
426 tp->t_winsize.ws_col = sc->cols;
427 if (!kbd_init) {
428 kbd_init = 1;
429 kbdenable();
430 }
431 return (0);
432
433
434 bad:
435 if (first)
436 ite_off(dev, 0);
437
438 return (error);
439 }
440
441 int
442 iteclose(dev_t dev, int flag, int mode, struct lwp *l)
443 {
444 struct tty *tp;
445
446 tp = getitesp(dev)->tp;
447
448 KDASSERT(tp);
449 (*tp->t_linesw->l_close) (tp, flag);
450 ttyclose(tp);
451 ite_off(dev, 0);
452 return (0);
453 }
454
455 int
456 iteread(dev_t dev, struct uio *uio, int flag)
457 {
458 struct tty *tp;
459
460 tp = getitesp(dev)->tp;
461
462 KDASSERT(tp);
463 return ((*tp->t_linesw->l_read) (tp, uio, flag));
464 }
465
466 int
467 itewrite(dev_t dev, struct uio *uio, int flag)
468 {
469 struct tty *tp;
470
471 tp = getitesp(dev)->tp;
472
473 KDASSERT(tp);
474 return ((*tp->t_linesw->l_write) (tp, uio, flag));
475 }
476
477 int
478 itepoll(dev_t dev, int events, struct lwp *l)
479 {
480 struct tty *tp;
481
482 tp = getitesp(dev)->tp;
483
484 KDASSERT(tp);
485 return ((*tp->t_linesw->l_poll)(tp, events, l));
486 }
487
488 struct tty *
489 itetty(dev_t dev)
490 {
491 return(getitesp(dev)->tp);
492 }
493
494 int
495 iteioctl(dev_t dev, u_long cmd, void * addr, int flag, struct lwp *l)
496 {
497 struct iterepeat *irp;
498 struct ite_softc *sc;
499 struct tty *tp;
500 view_t *view;
501 struct itewinsize *is;
502 struct itebell *ib;
503 int error;
504
505 sc = getitesp(dev);
506 tp = sc->tp;
507 view = viewview(sc->grf->g_viewdev);
508
509 KDASSERT(tp);
510
511 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, l);
512 if (error != EPASSTHROUGH)
513 return (error);
514
515 error = ttioctl(tp, cmd, addr, flag, l);
516 if (error != EPASSTHROUGH)
517 return (error);
518
519 switch (cmd) {
520 case ITEIOCSKMAP:
521 if (addr == NULL)
522 return(EFAULT);
523 memcpy(sc->kbdmap, addr, sizeof(struct kbdmap));
524 return 0;
525 case ITEIOCSSKMAP:
526 if (addr == NULL)
527 return(EFAULT);
528 memcpy(&ascii_kbdmap, addr, sizeof(struct kbdmap));
529 return 0;
530 case ITEIOCGKMAP:
531 if (addr == NULL)
532 return(EFAULT);
533 memcpy(addr, sc->kbdmap, sizeof(struct kbdmap));
534 return 0;
535 case ITEIOCGREPT:
536 if (addr == NULL)
537 return(EFAULT);
538 irp = (struct iterepeat *)addr;
539 irp->start = start_repeat_timeo;
540 irp->next = next_repeat_timeo;
541 return 0;
542 case ITEIOCSREPT:
543 if (addr == NULL)
544 return(EFAULT);
545 irp = (struct iterepeat *)addr;
546 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
547 return(EINVAL);
548 start_repeat_timeo = irp->start;
549 next_repeat_timeo = irp->next;
550 return 0;
551 case ITEIOCGWINSZ:
552 if (addr == NULL)
553 return(EFAULT);
554 is = (struct itewinsize *)addr;
555 is->x = view->display.x;
556 is->y = view->display.y;
557 is->width = view->display.width;
558 is->height = view->display.height;
559 is->depth = view->bitmap->depth;
560 return 0;
561 case ITEIOCDSPWIN:
562 sc->grf->g_mode(sc->grf, GM_GRFON, NULL, 0, 0);
563 return 0;
564 case ITEIOCREMWIN:
565 sc->grf->g_mode(sc->grf, GM_GRFOFF, NULL, 0, 0);
566 return 0;
567 case ITEIOCSBELL:
568 if (addr == NULL)
569 return(EFAULT);
570 ib = (struct itebell *)addr;
571 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec);
572 return 0;
573 case ITEIOCGBELL:
574 if (addr == NULL)
575 return(EFAULT);
576 ib = (struct itebell *)addr;
577 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec);
578 return 0;
579 }
580 return (sc->itexx_ioctl)(sc, cmd, addr, flag, l);
581 }
582
583 void
584 itestart(struct tty *tp)
585 {
586 struct clist *rbp;
587 struct ite_softc *sc;
588 u_char buf[ITEBURST];
589 int s, len;
590
591 sc = getitesp(tp->t_dev);
592
593 KDASSERT(tp);
594
595 s = spltty(); {
596 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
597 goto out;
598
599 tp->t_state |= TS_BUSY;
600 rbp = &tp->t_outq;
601
602 len = q_to_b(rbp, buf, ITEBURST);
603 } splx(s);
604
605 /* Here is a really good place to implement pre/jumpscroll() */
606 ite_putstr((char *)buf, len, tp->t_dev);
607
608 s = spltty(); {
609 tp->t_state &= ~TS_BUSY;
610 /* we have characters remaining. */
611 if (ttypull(tp)) {
612 tp->t_state |= TS_TIMEOUT;
613 callout_schedule(&tp->t_rstrt_ch, 1);
614 }
615 out: ;
616 } splx(s);
617 }
618
619 void
620 ite_on(dev_t dev, int flag)
621 {
622 struct ite_softc *sc;
623 int unit;
624
625 unit = ITEUNIT(dev);
626 sc = getitesp(dev);
627
628 /* force ite active, overriding graphics mode */
629 if (flag & 1) {
630 sc->flags |= ITE_ACTIVE;
631 sc->flags &= ~(ITE_INGRF | ITE_INITED);
632 }
633 /* leave graphics mode */
634 if (flag & 2) {
635 sc->flags &= ~ITE_INGRF;
636 if ((sc->flags & ITE_ACTIVE) == 0)
637 return;
638 }
639 sc->flags |= ITE_ACTIVE;
640 if (sc->flags & ITE_INGRF)
641 return;
642 iteinit(dev);
643 }
644
645 void
646 ite_off(dev_t dev, int flag)
647 {
648 struct ite_softc *sc;
649
650 sc = getitesp(dev);
651 if (flag & 2)
652 sc->flags |= ITE_INGRF;
653 if ((sc->flags & ITE_ACTIVE) == 0)
654 return;
655 if ((flag & 1) ||
656 (sc->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
657 SUBR_DEINIT(sc);
658 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
659 sc->flags &= ~ITE_ACTIVE;
660 }
661
662 static void
663 ite_switch(int unit)
664 {
665 struct ite_softc *sc;
666 extern const struct cdevsw view_cdevsw;
667
668 sc = getitesp(unit);
669 if ((sc->flags & (ITE_ATTACHED | ITE_INITED)) == 0)
670 return;
671
672 /*
673 * If switching to an active ite, also switch the keyboard.
674 */
675 if (sc->flags & ITE_ACTIVE)
676 kbd_ite = sc;
677
678 /*
679 * Now make it visible
680 */
681 (*view_cdevsw.d_ioctl)(sc->grf->g_viewdev, VIOCDISPLAY, NULL,
682 0, NOLWP);
683
684 /*
685 * Make sure the cursor's there too....
686 */
687 SUBR_CURSOR(sc, DRAW_CURSOR);
688 }
689
690 /* XXX called after changes made in underlying grf layer. */
691 /* I want to nuke this */
692 void
693 ite_reinit(dev_t dev)
694 {
695 struct ite_softc *sc;
696
697 sc = getitesp(dev);
698 sc->flags &= ~ITE_INITED;
699 iteinit(dev);
700 }
701
702 int
703 ite_param(struct tty *tp, struct termios *t)
704 {
705 tp->t_ispeed = t->c_ispeed;
706 tp->t_ospeed = t->c_ospeed;
707 tp->t_cflag = t->c_cflag;
708 return (0);
709 }
710
711 void
712 ite_reset(struct ite_softc *sc)
713 {
714 int i;
715
716 sc->curx = 0;
717 sc->cury = 0;
718 sc->attribute = ATTR_NOR;
719 sc->save_curx = 0;
720 sc->save_cury = 0;
721 sc->save_attribute = ATTR_NOR;
722 sc->ap = sc->argbuf;
723 sc->emul_level = 0;
724 sc->eightbit_C1 = 0;
725 sc->top_margin = 0;
726 sc->bottom_margin = sc->rows - 1;
727 sc->inside_margins = 0;
728 sc->linefeed_newline = 0;
729 sc->auto_wrap = ite_default_wrap;
730 sc->cursor_appmode = 0;
731 sc->keypad_appmode = 0;
732 sc->imode = 0;
733 sc->key_repeat = 1;
734 memset(sc->tabs, 0, sc->cols);
735 for (i = 0; i < sc->cols; i++)
736 sc->tabs[i] = ((i & 7) == 0);
737 }
738
739 /*
740 * has to be global because of the shared filters.
741 */
742 static u_char last_dead;
743
744 /*
745 * Used in console at startup only and for DDB.
746 */
747 int
748 ite_cnfilter(u_int c, enum caller caller)
749 {
750 struct key key;
751 struct kbdmap *kbdmap;
752 u_char code, up, mask;
753 int s;
754
755 up = KBD_RELEASED(c);
756 c = KBD_SCANCODE(c);
757 code = 0;
758 mask = 0;
759 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
760
761 s = spltty();
762
763 /*
764 * No special action if key released
765 */
766 if (up) {
767 splx(s);
768 return -1;
769 }
770
771 /* translate modifiers */
772 if (kbd_modifier & KBD_MOD_SHIFT) {
773 if (kbd_modifier & KBD_MOD_ALT)
774 key = kbdmap->alt_shift_keys[c];
775 else
776 key = kbdmap->shift_keys[c];
777 }
778 else if (kbd_modifier & KBD_MOD_ALT)
779 key = kbdmap->alt_keys[c];
780 else {
781 key = kbdmap->keys[c];
782 /*
783 * If CAPS and key is CAPable (no pun intended)
784 */
785 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
786 key = kbdmap->shift_keys[c];
787 }
788 code = key.code;
789
790 #ifdef notyet /* LWP: Didn't have time to look at this yet */
791 /*
792 * If string return simple console filter
793 */
794 if (key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
795 splx(s);
796 return -1;
797 }
798 /* handle dead keys */
799 if (key->mode & KBD_MODE_DEAD) {
800 /* if entered twice, send accent itself */
801 if (last_dead == key->mode & KBD_MODE_ACCMASK)
802 last_dead = 0;
803 else {
804 last_dead = key->mode & KBD_MODE_ACCMASK;
805 splx(s);
806 return -1;
807 }
808 }
809 if (last_dead) {
810 /* can't apply dead flag to string-keys */
811 if (code >= '@' && code < 0x7f)
812 code =
813 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
814 last_dead = 0;
815 }
816 #endif
817 if (kbd_modifier & KBD_MOD_CTRL)
818 code &= 0x1f;
819
820 /*
821 * Do console mapping.
822 */
823 code = code == '\r' ? '\n' : code;
824
825 splx(s);
826 return (code);
827 }
828
829 /* And now the old stuff. */
830
831 /* these are used to implement repeating keys.. */
832 static u_int last_char;
833 static u_char tout_pending;
834
835 static callout_t repeat_ch;
836
837 /*ARGSUSED*/
838 static void
839 repeat_handler(void *arg)
840 {
841 tout_pending = 0;
842 if (last_char)
843 add_sicallback((si_farg)ite_filter, (void *)last_char,
844 (void *)ITEFILT_REPEATER);
845 }
846
847 void
848 ite_filter(u_int c, enum caller caller)
849 {
850 struct tty *kbd_tty;
851 struct kbdmap *kbdmap;
852 u_char code, *str, up, mask;
853 struct key key;
854 int s, i;
855 static bool again;
856
857 if (!again) {
858 /* XXX */
859 callout_init(&repeat_ch, 0);
860 again = true;
861 }
862
863 if (kbd_ite == NULL)
864 return;
865
866 kbd_tty = kbd_ite->tp;
867 kbdmap = kbd_ite->kbdmap;
868
869 up = KBD_RELEASED(c);
870 c = KBD_SCANCODE(c);
871 code = 0;
872 mask = 0;
873
874 /* have to make sure we're at spltty in here */
875 s = spltty();
876
877 /*
878 * keyboard interrupts come at priority 2, while softint
879 * generated keyboard-repeat interrupts come at level 1. So,
880 * to not allow a key-up event to get thru before a repeat for
881 * the key-down, we remove any outstanding callout requests..
882 */
883 rem_sicallback((si_farg)ite_filter);
884
885 /*
886 * Stop repeating on up event
887 */
888 if (up) {
889 if (tout_pending) {
890 callout_stop(&repeat_ch);
891 tout_pending = 0;
892 last_char = 0;
893 }
894 splx(s);
895 return;
896 }
897 else if (tout_pending && last_char != c) {
898 /*
899 * Different character, stop also
900 */
901 callout_stop(&repeat_ch);
902 tout_pending = 0;
903 last_char = 0;
904 }
905
906 /*
907 * Handle ite-switching ALT + Fx
908 */
909 if ((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
910 ite_switch(c - 0x3b);
911 splx(s);
912 return;
913 }
914 /*
915 * Safety button, switch back to ascii keymap.
916 */
917 if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
918 /* ALT + LSHIFT + F1 */
919 memcpy(kbdmap, &ascii_kbdmap, sizeof(struct kbdmap));
920 splx(s);
921 return;
922 #ifdef DDB
923 } else if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) &&
924 c == 0x43) {
925 /*
926 * ALT + LSHIFT + F9 -> Debugger!
927 */
928 Debugger();
929 splx(s);
930 return;
931 #endif
932 }
933
934 /*
935 * The rest of the code is senseless when the device is not open.
936 */
937 if (kbd_tty == NULL) {
938 splx(s);
939 return;
940 }
941
942 /*
943 * Translate modifiers
944 */
945 if (kbd_modifier & KBD_MOD_SHIFT) {
946 if (kbd_modifier & KBD_MOD_ALT)
947 key = kbdmap->alt_shift_keys[c];
948 else
949 key = kbdmap->shift_keys[c];
950 }
951 else if (kbd_modifier & KBD_MOD_ALT)
952 key = kbdmap->alt_keys[c];
953 else {
954 key = kbdmap->keys[c];
955 /*
956 * If CAPS and key is CAPable (no pun intended)
957 */
958 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
959 key = kbdmap->shift_keys[c];
960 }
961 code = key.code;
962
963 /*
964 * Arrange to repeat the keystroke. By doing this at the level
965 * of scan-codes, we can have function keys, and keys that
966 * send strings, repeat too. This also entitles an additional
967 * overhead, since we have to do the conversion each time, but
968 * I guess that's ok.
969 */
970 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
971 tout_pending = 1;
972 last_char = c;
973 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100,
974 repeat_handler, NULL);
975 } else if (!tout_pending && caller==ITEFILT_REPEATER &&
976 kbd_ite->key_repeat) {
977 tout_pending = 1;
978 last_char = c;
979 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100,
980 repeat_handler, NULL);
981 }
982 /* handle dead keys */
983 if (key.mode & KBD_MODE_DEAD) {
984 /* if entered twice, send accent itself */
985 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
986 last_dead = 0;
987 else {
988 last_dead = key.mode & KBD_MODE_ACCMASK;
989 splx(s);
990 return;
991 }
992 }
993 if (last_dead) {
994 /* can't apply dead flag to string-keys */
995 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
996 code < 0x7f)
997 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
998 last_dead = 0;
999 }
1000
1001 /*
1002 * If not string, apply CTRL modifiers
1003 */
1004 if (!(key.mode & KBD_MODE_STRING) &&
1005 (!(key.mode & KBD_MODE_KPAD) ||
1006 (kbd_ite && !kbd_ite->keypad_appmode))) {
1007 if (kbd_modifier & KBD_MOD_CTRL)
1008 code &= 0x1f;
1009 } else if ((key.mode & KBD_MODE_KPAD) &&
1010 (kbd_ite && kbd_ite->keypad_appmode)) {
1011 static const char * const in = "0123456789-+.\r()/*";
1012 static const char * const out = "pqrstuvwxymlnMPQRS";
1013 char *cp = strchr(in, code);
1014
1015 /*
1016 * keypad-appmode sends SS3 followed by the above
1017 * translated character
1018 */
1019 kbd_tty->t_linesw->l_rint(27, kbd_tty);
1020 kbd_tty->t_linesw->l_rint('O', kbd_tty);
1021 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
1022 splx(s);
1023 return;
1024 } else {
1025 /* *NO* I don't like this.... */
1026 static u_char app_cursor[] =
1027 {
1028 3, 27, 'O', 'A',
1029 3, 27, 'O', 'B',
1030 3, 27, 'O', 'C',
1031 3, 27, 'O', 'D'};
1032
1033 str = kbdmap->strings + code;
1034 /*
1035 * if this is a cursor key, AND it has the default
1036 * keymap setting, AND we're in app-cursor mode, switch
1037 * to the above table. This is *nasty* !
1038 */
1039 if (((c == 0x48) || (c == 0x4b) ||(c == 0x4d) || (c == 0x50)) &&
1040 kbd_ite->cursor_appmode &&
1041 !memcmp(str, "\x03\x1b[", 3) &&
1042 strchr("ABCD", str[3]))
1043 str = app_cursor + 4 * (str[3] - 'A');
1044
1045 /*
1046 * using a length-byte instead of 0-termination allows
1047 * to embed \0 into strings, although this is not used
1048 * in the default keymap
1049 */
1050 for (i = *str++; i; i--)
1051 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1052 splx(s);
1053 return;
1054 }
1055 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1056
1057 splx(s);
1058 return;
1059 }
1060
1061 /* helper functions, makes the code below more readable */
1062 static inline void
1063 ite_sendstr(const char *str)
1064 {
1065 struct tty *kbd_tty;
1066
1067 kbd_tty = kbd_ite->tp;
1068 KDASSERT(kbd_tty);
1069 while (*str)
1070 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1071 }
1072
1073 static void
1074 alignment_display(struct ite_softc *sc)
1075 {
1076 int i, j;
1077
1078 for (j = 0; j < sc->rows; j++)
1079 for (i = 0; i < sc->cols; i++)
1080 SUBR_PUTC(sc, 'E', j, i, ATTR_NOR);
1081 attrclr(sc, 0, 0, sc->rows, sc->cols);
1082 SUBR_CURSOR(sc, DRAW_CURSOR);
1083 }
1084
1085 static inline void
1086 snap_cury(struct ite_softc *sc)
1087 {
1088 if (sc->inside_margins)
1089 {
1090 if (sc->cury < sc->top_margin)
1091 sc->cury = sc->top_margin;
1092 if (sc->cury > sc->bottom_margin)
1093 sc->cury = sc->bottom_margin;
1094 }
1095 }
1096
1097 static inline void
1098 ite_dnchar(struct ite_softc *sc, int n)
1099 {
1100 n = min(n, sc->cols - sc->curx);
1101 if (n < sc->cols - sc->curx)
1102 {
1103 SUBR_SCROLL(sc, sc->cury, sc->curx + n, n, SCROLL_LEFT);
1104 attrmov(sc, sc->cury, sc->curx + n, sc->cury, sc->curx,
1105 1, sc->cols - sc->curx - n);
1106 attrclr(sc, sc->cury, sc->cols - n, 1, n);
1107 }
1108 while (n-- > 0)
1109 SUBR_PUTC(sc, ' ', sc->cury, sc->cols - n - 1, ATTR_NOR);
1110 SUBR_CURSOR(sc, DRAW_CURSOR);
1111 }
1112
1113 static inline void
1114 ite_inchar(struct ite_softc *sc, int n)
1115 {
1116 n = min(n, sc->cols - sc->curx);
1117 if (n < sc->cols - sc->curx)
1118 {
1119 SUBR_SCROLL(sc, sc->cury, sc->curx, n, SCROLL_RIGHT);
1120 attrmov(sc, sc->cury, sc->curx, sc->cury, sc->curx + n,
1121 1, sc->cols - sc->curx - n);
1122 attrclr(sc, sc->cury, sc->curx, 1, n);
1123 }
1124 while (n--)
1125 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR);
1126 SUBR_CURSOR(sc, DRAW_CURSOR);
1127 }
1128
1129 static inline void
1130 ite_clrtoeol(struct ite_softc *sc)
1131 {
1132 int y = sc->cury, x = sc->curx;
1133 if (sc->cols - x > 0)
1134 {
1135 SUBR_CLEAR(sc, y, x, 1, sc->cols - x);
1136 attrclr(sc, y, x, 1, sc->cols - x);
1137 SUBR_CURSOR(sc, DRAW_CURSOR);
1138 }
1139 }
1140
1141 static inline void
1142 ite_clrtobol(struct ite_softc *sc)
1143 {
1144 int y = sc->cury, x = min(sc->curx + 1, sc->cols);
1145 SUBR_CLEAR(sc, y, 0, 1, x);
1146 attrclr(sc, y, 0, 1, x);
1147 SUBR_CURSOR(sc, DRAW_CURSOR);
1148 }
1149
1150 static inline void
1151 ite_clrline(struct ite_softc *sc)
1152 {
1153 int y = sc->cury;
1154 SUBR_CLEAR(sc, y, 0, 1, sc->cols);
1155 attrclr(sc, y, 0, 1, sc->cols);
1156 SUBR_CURSOR(sc, DRAW_CURSOR);
1157 }
1158
1159
1160
1161 static inline void
1162 ite_clrtoeos(struct ite_softc *sc)
1163 {
1164 ite_clrtoeol(sc);
1165 if (sc->cury < sc->rows - 1)
1166 {
1167 SUBR_CLEAR(sc, sc->cury + 1, 0, sc->rows - 1 - sc->cury, sc->cols);
1168 attrclr(sc, sc->cury, 0, sc->rows - sc->cury, sc->cols);
1169 SUBR_CURSOR(sc, DRAW_CURSOR);
1170 }
1171 }
1172
1173 static inline void
1174 ite_clrtobos(struct ite_softc *sc)
1175 {
1176 ite_clrtobol(sc);
1177 if (sc->cury > 0)
1178 {
1179 SUBR_CLEAR(sc, 0, 0, sc->cury, sc->cols);
1180 attrclr(sc, 0, 0, sc->cury, sc->cols);
1181 SUBR_CURSOR(sc, DRAW_CURSOR);
1182 }
1183 }
1184
1185 static inline void
1186 ite_clrscreen(struct ite_softc *sc)
1187 {
1188 SUBR_CLEAR(sc, 0, 0, sc->rows, sc->cols);
1189 attrclr(sc, 0, 0, sc->rows, sc->cols);
1190 SUBR_CURSOR(sc, DRAW_CURSOR);
1191 }
1192
1193
1194
1195 static inline void
1196 ite_dnline(struct ite_softc *sc, int n)
1197 {
1198 /* interesting.. if the cursor is outside the scrolling
1199 region, this command is simply ignored.. */
1200 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin)
1201 return;
1202
1203 n = min(n, sc->bottom_margin + 1 - sc->cury);
1204 if (n <= sc->bottom_margin - sc->cury)
1205 {
1206 SUBR_SCROLL(sc, sc->cury + n, 0, n, SCROLL_UP);
1207 attrmov(sc, sc->cury + n, 0, sc->cury, 0,
1208 sc->bottom_margin + 1 - sc->cury - n, sc->cols);
1209 }
1210 SUBR_CLEAR(sc, sc->bottom_margin - n + 1, 0, n, sc->cols);
1211 attrclr(sc, sc->bottom_margin - n + 1, 0, n, sc->cols);
1212 SUBR_CURSOR(sc, DRAW_CURSOR);
1213 }
1214
1215 static inline void
1216 ite_inline(struct ite_softc *sc, int n)
1217 {
1218 /* interesting.. if the cursor is outside the scrolling
1219 region, this command is simply ignored.. */
1220 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin)
1221 return;
1222
1223 n = min(n, sc->bottom_margin + 1 - sc->cury);
1224 if (n <= sc->bottom_margin - sc->cury)
1225 {
1226 SUBR_SCROLL(sc, sc->cury, 0, n, SCROLL_DOWN);
1227 attrmov(sc, sc->cury, 0, sc->cury + n, 0,
1228 sc->bottom_margin + 1 - sc->cury - n, sc->cols);
1229 }
1230 SUBR_CLEAR(sc, sc->cury, 0, n, sc->cols);
1231 attrclr(sc, sc->cury, 0, n, sc->cols);
1232 SUBR_CURSOR(sc, DRAW_CURSOR);
1233 }
1234
1235 static inline void
1236 ite_lf (struct ite_softc *sc)
1237 {
1238 ++sc->cury;
1239 if ((sc->cury == sc->bottom_margin+1) || (sc->cury == sc->rows))
1240 {
1241 sc->cury--;
1242 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP);
1243 ite_clrline(sc);
1244 }
1245 SUBR_CURSOR(sc, MOVE_CURSOR);
1246 clr_attr(sc, ATTR_INV);
1247 }
1248
1249 static inline void
1250 ite_crlf (struct ite_softc *sc)
1251 {
1252 sc->curx = 0;
1253 ite_lf (sc);
1254 }
1255
1256 static inline void
1257 ite_cr (struct ite_softc *sc)
1258 {
1259 if (sc->curx)
1260 {
1261 sc->curx = 0;
1262 SUBR_CURSOR(sc, MOVE_CURSOR);
1263 }
1264 }
1265
1266 static inline void
1267 ite_rlf (struct ite_softc *sc)
1268 {
1269 sc->cury--;
1270 if ((sc->cury < 0) || (sc->cury == sc->top_margin - 1))
1271 {
1272 sc->cury++;
1273 SUBR_SCROLL(sc, sc->top_margin, 0, 1, SCROLL_DOWN);
1274 ite_clrline(sc);
1275 }
1276 SUBR_CURSOR(sc, MOVE_CURSOR);
1277 clr_attr(sc, ATTR_INV);
1278 }
1279
1280 static inline int
1281 atoi (const char *cp)
1282 {
1283 int n;
1284
1285 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1286 n = n * 10 + *cp - '0';
1287
1288 return n;
1289 }
1290
1291 static inline int
1292 ite_argnum (struct ite_softc *sc)
1293 {
1294 char ch;
1295 int n;
1296
1297 /* convert argument string into number */
1298 if (sc->ap == sc->argbuf)
1299 return 1;
1300 ch = *sc->ap;
1301 *sc->ap = 0;
1302 n = atoi (sc->argbuf);
1303 *sc->ap = ch;
1304
1305 return n;
1306 }
1307
1308 static inline int
1309 ite_zargnum (struct ite_softc *sc)
1310 {
1311 char ch;
1312 int n;
1313
1314 /* convert argument string into number */
1315 if (sc->ap == sc->argbuf)
1316 return 0;
1317 ch = *sc->ap;
1318 *sc->ap = 0;
1319 n = atoi (sc->argbuf);
1320 *sc->ap = ch;
1321
1322 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1323 }
1324
1325 void
1326 ite_putstr(const u_char *s, int len, dev_t dev)
1327 {
1328 struct ite_softc *sc;
1329 int i;
1330
1331 sc = getitesp(dev);
1332
1333 /* XXX avoid problems */
1334 if ((sc->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1335 return;
1336
1337 SUBR_CURSOR(sc, START_CURSOROPT);
1338 for (i = 0; i < len; i++)
1339 if (s[i])
1340 iteputchar(s[i], sc);
1341 SUBR_CURSOR(sc, END_CURSOROPT);
1342 }
1343
1344
1345 void
1346 iteputchar(register int c, struct ite_softc *sc)
1347 {
1348 struct tty *kbd_tty;
1349 int n, x, y;
1350 char *cp;
1351
1352 if (kbd_ite == NULL)
1353 kbd_tty = NULL;
1354 else
1355 kbd_tty = kbd_ite->tp;
1356
1357 if (sc->escape)
1358 {
1359 switch (sc->escape)
1360 {
1361 case ESC:
1362 switch (c)
1363 {
1364 /* first 7bit equivalents for the 8bit control characters */
1365
1366 case 'D':
1367 c = IND;
1368 sc->escape = 0;
1369 break; /* and fall into the next switch below (same for all `break') */
1370
1371 case 'E':
1372 c = NEL;
1373 sc->escape = 0;
1374 break;
1375
1376 case 'H':
1377 c = HTS;
1378 sc->escape = 0;
1379 break;
1380
1381 case 'M':
1382 c = RI;
1383 sc->escape = 0;
1384 break;
1385
1386 case 'N':
1387 c = SS2;
1388 sc->escape = 0;
1389 break;
1390
1391 case 'O':
1392 c = SS3;
1393 sc->escape = 0;
1394 break;
1395
1396 case 'P':
1397 c = DCS;
1398 sc->escape = 0;
1399 break;
1400
1401 case '[':
1402 c = CSI;
1403 sc->escape = 0;
1404 break;
1405
1406 case '\\':
1407 c = ST;
1408 sc->escape = 0;
1409 break;
1410
1411 case ']':
1412 c = OSC;
1413 sc->escape = 0;
1414 break;
1415
1416 case '^':
1417 c = PM;
1418 sc->escape = 0;
1419 break;
1420
1421 case '_':
1422 c = APC;
1423 sc->escape = 0;
1424 break;
1425
1426
1427 /* introduces 7/8bit control */
1428 case ' ':
1429 /* can be followed by either F or G */
1430 sc->escape = ' ';
1431 break;
1432
1433
1434 /* a lot of character set selections, not yet used...
1435 94-character sets: */
1436 case '(': /* G0 */
1437 case ')': /* G1 */
1438 sc->escape = c;
1439 return;
1440
1441 case '*': /* G2 */
1442 case '+': /* G3 */
1443 case 'B': /* ASCII */
1444 case 'A': /* ISO latin 1 */
1445 case '<': /* user preferred suplemental */
1446 case '0': /* dec special graphics */
1447
1448 /* 96-character sets: */
1449 case '-': /* G1 */
1450 case '.': /* G2 */
1451 case '/': /* G3 */
1452
1453 /* national character sets: */
1454 case '4': /* dutch */
1455 case '5':
1456 case 'C': /* finnish */
1457 case 'R': /* french */
1458 case 'Q': /* french canadian */
1459 case 'K': /* german */
1460 case 'Y': /* italian */
1461 case '6': /* norwegian/danish */
1462 /* note: %5 and %6 are not supported (two chars..) */
1463
1464 sc->escape = 0;
1465 /* just ignore for now */
1466 return;
1467
1468
1469 /* locking shift modes (as you might guess, not yet supported..) */
1470 case '`':
1471 sc->GR = sc->G1;
1472 sc->escape = 0;
1473 return;
1474
1475 case 'n':
1476 sc->GL = sc->G2;
1477 sc->escape = 0;
1478 return;
1479
1480 case '}':
1481 sc->GR = sc->G2;
1482 sc->escape = 0;
1483 return;
1484
1485 case 'o':
1486 sc->GL = sc->G3;
1487 sc->escape = 0;
1488 return;
1489
1490 case '|':
1491 sc->GR = sc->G3;
1492 sc->escape = 0;
1493 return;
1494
1495
1496 /* font width/height control */
1497 case '#':
1498 sc->escape = '#';
1499 return;
1500
1501
1502 /* hard terminal reset .. */
1503 case 'c':
1504 ite_reset (sc);
1505 SUBR_CURSOR(sc, MOVE_CURSOR);
1506 sc->escape = 0;
1507 return;
1508
1509
1510 case '7':
1511 sc->save_curx = sc->curx;
1512 sc->save_cury = sc->cury;
1513 sc->save_attribute = sc->attribute;
1514 sc->escape = 0;
1515 return;
1516
1517 case '8':
1518 sc->curx = sc->save_curx;
1519 sc->cury = sc->save_cury;
1520 sc->attribute = sc->save_attribute;
1521 SUBR_CURSOR(sc, MOVE_CURSOR);
1522 sc->escape = 0;
1523 return;
1524
1525 case '=':
1526 sc->keypad_appmode = 1;
1527 sc->escape = 0;
1528 return;
1529
1530 case '>':
1531 sc->keypad_appmode = 0;
1532 sc->escape = 0;
1533 return;
1534
1535 case 'Z': /* request ID */
1536 if (sc->emul_level == EMUL_VT100)
1537 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1538 else
1539 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1540 sc->escape = 0;
1541 return;
1542
1543 /* default catch all for not recognized ESC sequences */
1544 default:
1545 sc->escape = 0;
1546 return;
1547 }
1548 break;
1549
1550
1551 case '(':
1552 case ')':
1553 sc->escape = 0;
1554 return;
1555
1556
1557 case ' ':
1558 switch (c)
1559 {
1560 case 'F':
1561 sc->eightbit_C1 = 0;
1562 sc->escape = 0;
1563 return;
1564
1565 case 'G':
1566 sc->eightbit_C1 = 1;
1567 sc->escape = 0;
1568 return;
1569
1570 default:
1571 /* not supported */
1572 sc->escape = 0;
1573 return;
1574 }
1575 break;
1576
1577
1578 case '#':
1579 switch (c)
1580 {
1581 case '5':
1582 /* single height, single width */
1583 sc->escape = 0;
1584 return;
1585
1586 case '6':
1587 /* double width, single height */
1588 sc->escape = 0;
1589 return;
1590
1591 case '3':
1592 /* top half */
1593 sc->escape = 0;
1594 return;
1595
1596 case '4':
1597 /* bottom half */
1598 sc->escape = 0;
1599 return;
1600
1601 case '8':
1602 /* screen alignment pattern... */
1603 alignment_display (sc);
1604 sc->escape = 0;
1605 return;
1606
1607 default:
1608 sc->escape = 0;
1609 return;
1610 }
1611 break;
1612
1613
1614
1615 case CSI:
1616 /* the biggie... */
1617 switch (c)
1618 {
1619 case '0': case '1': case '2': case '3': case '4':
1620 case '5': case '6': case '7': case '8': case '9':
1621 case ';': case '\"': case '$': case '>':
1622 if (sc->ap < sc->argbuf + MAX_ARGSIZE)
1623 *sc->ap++ = c;
1624 return;
1625
1626 case BS:
1627 /* you wouldn't believe such perversion is possible?
1628 it is.. BS is allowed in between cursor sequences
1629 (at least), according to vttest.. */
1630 if (--sc->curx < 0)
1631 sc->curx = 0;
1632 else
1633 SUBR_CURSOR(sc, MOVE_CURSOR);
1634 break;
1635
1636 case 'p':
1637 *sc->ap = 0;
1638 if (! strncmp (sc->argbuf, "61\"", 3))
1639 sc->emul_level = EMUL_VT100;
1640 else if (! strncmp (sc->argbuf, "63;1\"", 5)
1641 || ! strncmp (sc->argbuf, "62;1\"", 5))
1642 sc->emul_level = EMUL_VT300_7;
1643 else
1644 sc->emul_level = EMUL_VT300_8;
1645 sc->escape = 0;
1646 return;
1647
1648
1649 case '?':
1650 *sc->ap = 0;
1651 sc->escape = '?';
1652 sc->ap = sc->argbuf;
1653 return;
1654
1655
1656 case 'c':
1657 *sc->ap = 0;
1658 if (sc->argbuf[0] == '>')
1659 {
1660 ite_sendstr ("\033[>24;0;0;0c");
1661 }
1662 else switch (ite_zargnum(sc))
1663 {
1664 case 0:
1665 /* primary DA request, send primary DA response */
1666 if (sc->emul_level == EMUL_VT100)
1667 ite_sendstr ("\033[?1;1c");
1668 else
1669 ite_sendstr ("\033[?63;1c");
1670 break;
1671 }
1672 sc->escape = 0;
1673 return;
1674
1675 case 'n':
1676 switch (ite_zargnum(sc))
1677 {
1678 case 5:
1679 ite_sendstr ("\033[0n"); /* no malfunction */
1680 break;
1681 case 6:
1682 /* cursor position report */
1683 sprintf (sc->argbuf, "\033[%d;%dR",
1684 sc->cury + 1, sc->curx + 1);
1685 ite_sendstr (sc->argbuf);
1686 break;
1687 }
1688 sc->escape = 0;
1689 return;
1690
1691
1692 case 'x':
1693 switch (ite_zargnum(sc))
1694 {
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 sc->escape = 0;
1704 return;
1705
1706
1707 case 'g':
1708 switch (ite_zargnum(sc))
1709 {
1710 case 0:
1711 if (sc->curx < sc->cols)
1712 sc->tabs[sc->curx] = 0;
1713 break;
1714 case 3:
1715 for (n = 0; n < sc->cols; n++)
1716 sc->tabs[n] = 0;
1717 break;
1718 }
1719 sc->escape = 0;
1720 return;
1721
1722
1723 case 'h': case 'l':
1724 n = ite_zargnum (sc);
1725 switch (n)
1726 {
1727 case 4:
1728 sc->imode = (c == 'h'); /* insert/replace mode */
1729 break;
1730 case 20:
1731 sc->linefeed_newline = (c == 'h');
1732 break;
1733 }
1734 sc->escape = 0;
1735 return;
1736
1737
1738 case 'M':
1739 ite_dnline (sc, ite_argnum (sc));
1740 sc->escape = 0;
1741 return;
1742
1743
1744 case 'L':
1745 ite_inline (sc, ite_argnum (sc));
1746 sc->escape = 0;
1747 return;
1748
1749
1750 case 'P':
1751 ite_dnchar (sc, ite_argnum (sc));
1752 sc->escape = 0;
1753 return;
1754
1755
1756 case '@':
1757 ite_inchar (sc, ite_argnum (sc));
1758 sc->escape = 0;
1759 return;
1760
1761
1762 case 'G':
1763 /* this one was *not* in my vt320 manual but in
1764 a vt320 termcap entry.. who is right?
1765 It's supposed to set the horizontal cursor position. */
1766 *sc->ap = 0;
1767 x = atoi (sc->argbuf);
1768 if (x) x--;
1769 sc->curx = min(x, sc->cols - 1);
1770 sc->escape = 0;
1771 SUBR_CURSOR(sc, MOVE_CURSOR);
1772 clr_attr (sc, ATTR_INV);
1773 return;
1774
1775
1776 case 'd':
1777 /* same thing here, this one's for setting the absolute
1778 vertical cursor position. Not documented... */
1779 *sc->ap = 0;
1780 y = atoi (sc->argbuf);
1781 if (y) y--;
1782 if (sc->inside_margins)
1783 y += sc->top_margin;
1784 sc->cury = min(y, sc->rows - 1);
1785 sc->escape = 0;
1786 snap_cury(sc);
1787 SUBR_CURSOR(sc, MOVE_CURSOR);
1788 clr_attr (sc, ATTR_INV);
1789 return;
1790
1791
1792 case 'H':
1793 case 'f':
1794 *sc->ap = 0;
1795 y = atoi (sc->argbuf);
1796 x = 0;
1797 cp = strchr(sc->argbuf, ';');
1798 if (cp)
1799 x = atoi (cp + 1);
1800 if (x) x--;
1801 if (y) y--;
1802 if (sc->inside_margins)
1803 y += sc->top_margin;
1804 sc->cury = min(y, sc->rows - 1);
1805 sc->curx = min(x, sc->cols - 1);
1806 sc->escape = 0;
1807 snap_cury(sc);
1808 SUBR_CURSOR(sc, MOVE_CURSOR);
1809 clr_attr (sc, ATTR_INV);
1810 return;
1811
1812 case 'A':
1813 n = ite_argnum (sc);
1814 n = sc->cury - (n ? n : 1);
1815 if (n < 0) n = 0;
1816 if (sc->inside_margins)
1817 n = max(sc->top_margin, n);
1818 else if (n == sc->top_margin - 1)
1819 /* allow scrolling outside region, but don't scroll out
1820 of active region without explicit CUP */
1821 n = sc->top_margin;
1822 sc->cury = n;
1823 sc->escape = 0;
1824 SUBR_CURSOR(sc, MOVE_CURSOR);
1825 clr_attr (sc, ATTR_INV);
1826 return;
1827
1828 case 'B':
1829 n = ite_argnum (sc);
1830 n = sc->cury + (n ? n : 1);
1831 n = min(sc->rows - 1, n);
1832 if (sc->inside_margins)
1833 n = min(sc->bottom_margin, n);
1834 else if (n == sc->bottom_margin + 1)
1835 /* allow scrolling outside region, but don't scroll out
1836 of active region without explicit CUP */
1837 n = sc->bottom_margin;
1838 sc->cury = n;
1839 sc->escape = 0;
1840 SUBR_CURSOR(sc, MOVE_CURSOR);
1841 clr_attr (sc, ATTR_INV);
1842 return;
1843
1844 case 'C':
1845 n = ite_argnum (sc);
1846 n = n ? n : 1;
1847 sc->curx = min(sc->curx + n, sc->cols - 1);
1848 sc->escape = 0;
1849 SUBR_CURSOR(sc, MOVE_CURSOR);
1850 clr_attr (sc, ATTR_INV);
1851 return;
1852
1853 case 'D':
1854 n = ite_argnum (sc);
1855 n = n ? n : 1;
1856 n = sc->curx - n;
1857 sc->curx = n >= 0 ? n : 0;
1858 sc->escape = 0;
1859 SUBR_CURSOR(sc, MOVE_CURSOR);
1860 clr_attr (sc, ATTR_INV);
1861 return;
1862
1863
1864
1865
1866 case 'J':
1867 *sc->ap = 0;
1868 n = ite_zargnum (sc);
1869 if (n == 0)
1870 ite_clrtoeos(sc);
1871 else if (n == 1)
1872 ite_clrtobos(sc);
1873 else if (n == 2)
1874 ite_clrscreen(sc);
1875 sc->escape = 0;
1876 return;
1877
1878
1879 case 'K':
1880 n = ite_zargnum (sc);
1881 if (n == 0)
1882 ite_clrtoeol(sc);
1883 else if (n == 1)
1884 ite_clrtobol(sc);
1885 else if (n == 2)
1886 ite_clrline(sc);
1887 sc->escape = 0;
1888 return;
1889
1890
1891 case 'X':
1892 n = ite_argnum(sc) - 1;
1893 n = min(n, sc->cols - 1 - sc->curx);
1894 for (; n >= 0; n--)
1895 {
1896 attrclr(sc, sc->cury, sc->curx + n, 1, 1);
1897 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR);
1898 }
1899 sc->escape = 0;
1900 return;
1901
1902
1903 case '}': case '`':
1904 /* status line control */
1905 sc->escape = 0;
1906 return;
1907
1908
1909 case 'r':
1910 *sc->ap = 0;
1911 x = atoi (sc->argbuf);
1912 x = x ? x : 1;
1913 y = sc->rows;
1914 cp = strchr(sc->argbuf, ';');
1915 if (cp)
1916 {
1917 y = atoi (cp + 1);
1918 y = y ? y : sc->rows;
1919 }
1920 if (y - x < 2)
1921 {
1922 /* if illegal scrolling region, reset to defaults */
1923 x = 1;
1924 y = sc->rows;
1925 }
1926 x--;
1927 y--;
1928 sc->top_margin = min(x, sc->rows - 1);
1929 sc->bottom_margin = min(y, sc->rows - 1);
1930 if (sc->inside_margins)
1931 {
1932 sc->cury = sc->top_margin;
1933 sc->curx = 0;
1934 SUBR_CURSOR(sc, MOVE_CURSOR);
1935 }
1936 sc->escape = 0;
1937 return;
1938
1939
1940 case 'm':
1941 /* big attribute setter/resetter */
1942 {
1943 char *chp;
1944 *sc->ap = 0;
1945 /* kludge to make CSIm work (== CSI0m) */
1946 if (sc->ap == sc->argbuf)
1947 sc->ap++;
1948 for (chp = sc->argbuf; chp < sc->ap; )
1949 {
1950 switch (*chp)
1951 {
1952 case 0:
1953 case '0':
1954 clr_attr (sc, ATTR_ALL);
1955 chp++;
1956 break;
1957
1958 case '1':
1959 set_attr (sc, ATTR_BOLD);
1960 chp++;
1961 break;
1962
1963 case '2':
1964 switch (chp[1])
1965 {
1966 case '2':
1967 clr_attr (sc, ATTR_BOLD);
1968 chp += 2;
1969 break;
1970
1971 case '4':
1972 clr_attr (sc, ATTR_UL);
1973 chp += 2;
1974 break;
1975
1976 case '5':
1977 clr_attr (sc, ATTR_BLINK);
1978 chp += 2;
1979 break;
1980
1981 case '7':
1982 clr_attr (sc, ATTR_INV);
1983 chp += 2;
1984 break;
1985
1986 default:
1987 chp++;
1988 break;
1989 }
1990 break;
1991
1992 case '4':
1993 set_attr (sc, ATTR_UL);
1994 chp++;
1995 break;
1996
1997 case '5':
1998 set_attr (sc, ATTR_BLINK);
1999 chp++;
2000 break;
2001
2002 case '7':
2003 set_attr (sc, ATTR_INV);
2004 chp++;
2005 break;
2006
2007 default:
2008 chp++;
2009 break;
2010 }
2011 }
2012
2013 }
2014 sc->escape = 0;
2015 return;
2016
2017
2018 case 'u':
2019 /* DECRQTSR */
2020 ite_sendstr ("\033P\033\\");
2021 sc->escape = 0;
2022 return;
2023
2024
2025
2026 default:
2027 sc->escape = 0;
2028 return;
2029 }
2030 break;
2031
2032
2033
2034 case '?': /* CSI ? */
2035 switch (c)
2036 {
2037 case '0': case '1': case '2': case '3': case '4':
2038 case '5': case '6': case '7': case '8': case '9':
2039 case ';': case '\"': case '$':
2040 /* Don't fill the last character; it's needed. */
2041 /* XXX yeah, where ?? */
2042 if (sc->ap < sc->argbuf + MAX_ARGSIZE - 1)
2043 *sc->ap++ = c;
2044 return;
2045
2046
2047 case 'n':
2048 *sc->ap = 0;
2049 if (sc->ap == &sc->argbuf[2])
2050 {
2051 if (! strncmp (sc->argbuf, "15", 2))
2052 /* printer status: no printer */
2053 ite_sendstr ("\033[13n");
2054
2055 else if (! strncmp (sc->argbuf, "25", 2))
2056 /* udk status */
2057 ite_sendstr ("\033[20n");
2058
2059 else if (! strncmp (sc->argbuf, "26", 2))
2060 /* keyboard dialect: US */
2061 ite_sendstr ("\033[27;1n");
2062 }
2063 sc->escape = 0;
2064 return;
2065
2066
2067 case 'h': case 'l':
2068 n = ite_zargnum (sc);
2069 switch (n)
2070 {
2071 case 1:
2072 sc->cursor_appmode = (c == 'h');
2073 break;
2074
2075 case 3:
2076 /* 132/80 columns (132 == 'h') */
2077 break;
2078
2079 case 4: /* smooth scroll */
2080 break;
2081
2082 case 5:
2083 /* light background (=='h') /dark background(=='l') */
2084 break;
2085
2086 case 6: /* origin mode */
2087 sc->inside_margins = (c == 'h');
2088 sc->curx = 0;
2089 sc->cury = sc->inside_margins ? sc->top_margin : 0;
2090 SUBR_CURSOR(sc, MOVE_CURSOR);
2091 break;
2092
2093 case 7: /* auto wraparound */
2094 sc->auto_wrap = (c == 'h');
2095 break;
2096
2097 case 8: /* keyboard repeat */
2098 sc->key_repeat = (c == 'h');
2099 break;
2100
2101 case 20: /* newline mode */
2102 sc->linefeed_newline = (c == 'h');
2103 break;
2104
2105 case 25: /* cursor on/off */
2106 SUBR_CURSOR(sc, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2107 break;
2108 }
2109 sc->escape = 0;
2110 return;
2111
2112 default:
2113 sc->escape = 0;
2114 return;
2115 }
2116 break;
2117
2118
2119 default:
2120 sc->escape = 0;
2121 return;
2122 }
2123 }
2124
2125 switch (c) {
2126
2127 case VT: /* VT is treated like LF */
2128 case FF: /* so is FF */
2129 case LF:
2130 /* cr->crlf distinction is done here, on output,
2131 not on input! */
2132 if (sc->linefeed_newline)
2133 ite_crlf (sc);
2134 else
2135 ite_lf (sc);
2136 break;
2137
2138 case CR:
2139 ite_cr (sc);
2140 break;
2141
2142 case BS:
2143 if (--sc->curx < 0)
2144 sc->curx = 0;
2145 else
2146 SUBR_CURSOR(sc, MOVE_CURSOR);
2147 break;
2148
2149 case HT:
2150 for (n = sc->curx + 1; n < sc->cols; n++) {
2151 if (sc->tabs[n]) {
2152 sc->curx = n;
2153 SUBR_CURSOR(sc, MOVE_CURSOR);
2154 break;
2155 }
2156 }
2157 break;
2158
2159 case BEL:
2160 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2161 kbdbell();
2162 break;
2163
2164 case SO:
2165 sc->GL = sc->G1;
2166 break;
2167
2168 case SI:
2169 sc->GL = sc->G0;
2170 break;
2171
2172 case ENQ:
2173 /* send answer-back message !! */
2174 break;
2175
2176 case CAN:
2177 sc->escape = 0; /* cancel any escape sequence in progress */
2178 break;
2179
2180 case SUB:
2181 sc->escape = 0; /* dito, but see below */
2182 /* should also display a reverse question mark!! */
2183 break;
2184
2185 case ESC:
2186 sc->escape = ESC;
2187 break;
2188
2189
2190 /* now it gets weird.. 8bit control sequences.. */
2191 case IND: /* index: move cursor down, scroll */
2192 ite_lf (sc);
2193 break;
2194
2195 case NEL: /* next line. next line, first pos. */
2196 ite_crlf (sc);
2197 break;
2198
2199 case HTS: /* set horizontal tab */
2200 if (sc->curx < sc->cols)
2201 sc->tabs[sc->curx] = 1;
2202 break;
2203
2204 case RI: /* reverse index */
2205 ite_rlf (sc);
2206 break;
2207
2208 case SS2: /* go into G2 for one character */
2209 /* not yet supported */
2210 break;
2211
2212 case SS3: /* go into G3 for one character */
2213 break;
2214
2215 case DCS: /* device control string introducer */
2216 sc->escape = DCS;
2217 sc->ap = sc->argbuf;
2218 break;
2219
2220 case CSI: /* control sequence introducer */
2221 sc->escape = CSI;
2222 sc->ap = sc->argbuf;
2223 break;
2224
2225 case ST: /* string terminator */
2226 /* ignore, if not used as terminator */
2227 break;
2228
2229 case OSC: /* introduces OS command. Ignore everything upto ST */
2230 sc->escape = OSC;
2231 break;
2232
2233 case PM: /* privacy message, ignore everything upto ST */
2234 sc->escape = PM;
2235 break;
2236
2237 case APC: /* application program command, ignore everything upto ST */
2238 sc->escape = APC;
2239 break;
2240
2241 default:
2242 if (c < ' ' || c == DEL)
2243 break;
2244 if (sc->imode)
2245 ite_inchar(sc, 1);
2246 iteprecheckwrap(sc);
2247 #ifdef DO_WEIRD_ATTRIBUTES
2248 if ((sc->attribute & ATTR_INV) || attrtest(sc, ATTR_INV)) {
2249 attrset(sc, ATTR_INV);
2250 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_INV);
2251 }
2252 else
2253 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_NOR);
2254 #else
2255 SUBR_PUTC(sc, c, sc->cury, sc->curx, sc->attribute);
2256 #endif
2257 SUBR_CURSOR(sc, DRAW_CURSOR);
2258 itecheckwrap(sc);
2259 break;
2260 }
2261 }
2262
2263 static void
2264 iteprecheckwrap(struct ite_softc *sc)
2265 {
2266 if (sc->auto_wrap && sc->curx == sc->cols) {
2267 sc->curx = 0;
2268 clr_attr(sc, ATTR_INV);
2269 if (++sc->cury >= sc->bottom_margin + 1) {
2270 sc->cury = sc->bottom_margin;
2271 SUBR_CURSOR(sc, MOVE_CURSOR);
2272 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP);
2273 ite_clrtoeol(sc);
2274 } else
2275 SUBR_CURSOR(sc, MOVE_CURSOR);
2276 }
2277 }
2278
2279 static void
2280 itecheckwrap(struct ite_softc *sc)
2281 {
2282 if (sc->curx < sc->cols) {
2283 sc->curx++;
2284 SUBR_CURSOR(sc, MOVE_CURSOR);
2285 }
2286 }
2287