ite.c revision 1.75 1 /* $NetBSD: ite.c,v 1.75 2014/03/26 18:04:33 christos Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: Utah Hdr: ite.c 1.1 90/07/09
37 * from: @(#)ite.c 7.6 (Berkeley) 5/16/91
38 */
39
40 /*
41 * ite - bitmapped terminal.
42 * Supports VT200, a few terminal features will be unavailable until
43 * the system actually probes the device (i.e. not after consinit())
44 */
45
46 #include <sys/cdefs.h>
47 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.75 2014/03/26 18:04:33 christos Exp $");
48
49 #include "opt_ddb.h"
50
51 #include <sys/param.h>
52 #include <sys/kernel.h>
53 #include <sys/conf.h>
54 #include <sys/device.h>
55 #include <sys/malloc.h>
56 #include <sys/fcntl.h>
57 #include <sys/ioctl.h>
58 #include <sys/tty.h>
59 #include <sys/termios.h>
60 #include <sys/systm.h>
61 #include <sys/callout.h>
62 #include <sys/proc.h>
63 #include <dev/cons.h>
64 #include <sys/kauth.h>
65
66 #include <machine/cpu.h>
67
68 #include <atari/atari/device.h>
69 #include <atari/dev/event_var.h>
70 #include <atari/dev/kbdmap.h>
71 #include <atari/dev/kbdvar.h>
72 #include <atari/dev/iteioctl.h>
73 #include <atari/dev/itevar.h>
74 #include <atari/dev/grfioctl.h>
75 #include <atari/dev/grfabs_reg.h>
76 #include <atari/dev/grfvar.h>
77 #include <atari/dev/viewioctl.h>
78 #include <atari/dev/viewvar.h>
79
80 #include "ioconf.h"
81
82 #define ITEUNIT(dev) (minor(dev))
83
84 #define SUBR_INIT(sc) (sc)->grf->g_iteinit(sc)
85 #define SUBR_DEINIT(sc) (sc)->grf->g_itedeinit(sc)
86 #define SUBR_PUTC(sc,c,dy,dx,m) (sc)->grf->g_iteputc(sc,c,dy,dx,m)
87 #define SUBR_CURSOR(sc,flg) (sc)->grf->g_itecursor(sc,flg)
88 #define SUBR_CLEAR(sc,sy,sx,h,w) (sc)->grf->g_iteclear(sc,sy,sx,h,w)
89 #define SUBR_SCROLL(sc,sy,sx,cnt,dir) (sc)->grf->g_itescroll(sc,sy,sx,cnt,dir)
90
91 int start_repeat_timeo = 30; /* first repeat after x s/100 */
92 int next_repeat_timeo = 10; /* next repeat after x s/100 */
93
94 /*
95 * Patchable
96 */
97 int ite_default_x = 0; /* def leftedge offset */
98 int ite_default_y = 0; /* def topedge offset */
99 int ite_default_width = 640; /* def width */
100 int ite_default_depth = 1; /* def depth */
101 int ite_default_height = 400; /* def height */
102 int ite_default_wrap = 1; /* if you want vtxxx-nam -> binpatch */
103
104 struct ite_softc con_itesoftc;
105 u_char cons_tabs[MAX_TABS];
106
107 struct ite_softc *kbd_ite;
108 int kbd_init;
109
110 static inline int atoi(const char *);
111 static inline int ite_argnum(struct ite_softc *);
112 static inline int ite_zargnum(struct ite_softc *);
113 static inline void ite_cr(struct ite_softc *);
114 static inline void ite_crlf(struct ite_softc *);
115 static inline void ite_clrline(struct ite_softc *);
116 static inline void ite_clrscreen(struct ite_softc *);
117 static inline void ite_clrtobos(struct ite_softc *);
118 static inline void ite_clrtobol(struct ite_softc *);
119 static inline void ite_clrtoeol(struct ite_softc *);
120 static inline void ite_clrtoeos(struct ite_softc *);
121 static inline void ite_dnchar(struct ite_softc *, int);
122 static inline void ite_inchar(struct ite_softc *, int);
123 static inline void ite_inline(struct ite_softc *, int);
124 static inline void ite_lf(struct ite_softc *);
125 static inline void ite_dnline(struct ite_softc *, int);
126 static inline void ite_rlf(struct ite_softc *);
127 static inline void ite_sendstr(const char *);
128 static inline void snap_cury(struct ite_softc *);
129
130 static void alignment_display(struct ite_softc *);
131 static struct ite_softc *getitesp(dev_t);
132 static void itecheckwrap(struct ite_softc *);
133 static void iteprecheckwrap(struct ite_softc *);
134 static void itestart(struct tty *);
135 static void ite_switch(int);
136 static void repeat_handler(void *);
137
138 void iteputchar(int c, struct ite_softc *sc);
139 void ite_putstr(const u_char * s, int len, dev_t dev);
140 void iteattach(device_t, device_t, void *);
141 int itematch(device_t, cfdata_t, void *);
142
143 /*
144 * Console specific types.
145 */
146 dev_type_cnprobe(itecnprobe);
147 dev_type_cninit(itecninit);
148 dev_type_cngetc(itecngetc);
149 dev_type_cnputc(itecnputc);
150
151 CFATTACH_DECL_NEW(ite, sizeof(struct ite_softc),
152 itematch, iteattach, NULL, NULL);
153
154 dev_type_open(iteopen);
155 dev_type_close(iteclose);
156 dev_type_read(iteread);
157 dev_type_write(itewrite);
158 dev_type_ioctl(iteioctl);
159 dev_type_tty(itetty);
160 dev_type_poll(itepoll);
161
162 const struct cdevsw ite_cdevsw = {
163 .d_open = iteopen,
164 .d_close = iteclose,
165 .d_read = iteread,
166 .d_write = itewrite,
167 .d_ioctl = iteioctl,
168 .d_stop = nostop,
169 .d_tty = itetty,
170 .d_poll = itepoll,
171 .d_mmap = nommap,
172 .d_kqfilter = ttykqfilter,
173 .d_flag = D_TTY
174 };
175
176 /*
177 * Keep track of the device number of the ite console. Only used in the
178 * itematch/iteattach functions.
179 */
180 static int cons_ite = -1;
181
182 int
183 itematch(device_t parent, cfdata_t cf, void *aux)
184 {
185
186 /*
187 * Handle early console stuff. The first unit number
188 * is the console unit. All other early matches will fail.
189 */
190 if (atari_realconfig == 0) {
191 if (cons_ite >= 0)
192 return 0;
193 cons_ite = cf->cf_unit;
194 return 1;
195 }
196 return 1;
197 }
198
199 void
200 iteattach(device_t parent, device_t self, void *aux)
201 {
202 struct grf_softc *gsc;
203 struct ite_softc *sc;
204 int s;
205 int maj, unit;
206
207 gsc = device_private(parent);
208 sc = device_private(self);
209
210 maj = cdevsw_lookup_major(&ite_cdevsw);
211 unit = (self != NULL) ? device_unit(self) : cons_ite;
212 gsc->g_itedev = makedev(maj, unit);
213
214 if (self != NULL) {
215 s = spltty();
216 if (con_itesoftc.grf != NULL &&
217 con_itesoftc.grf->g_unit == gsc->g_unit) {
218 /*
219 * console reinit copy params over.
220 * and console always gets keyboard
221 */
222 memcpy(&sc->grf, &con_itesoftc.grf,
223 (char *)&sc[1] - (char *)&sc->grf);
224 con_itesoftc.grf = NULL;
225 kbd_ite = sc;
226 }
227 sc->grf = gsc;
228 splx(s);
229
230 iteinit(gsc->g_itedev);
231 printf(": %dx%d", sc->rows, sc->cols);
232 printf(" repeat at (%d/100)s next at (%d/100)s",
233 start_repeat_timeo, next_repeat_timeo);
234
235 if (kbd_ite == NULL)
236 kbd_ite = sc;
237 if (kbd_ite == sc)
238 printf(" has keyboard");
239 printf("\n");
240 sc->flags |= ITE_ATTACHED;
241 } else {
242 if (con_itesoftc.grf != NULL &&
243 con_itesoftc.grf->g_conpri > gsc->g_conpri)
244 return;
245 con_itesoftc.grf = gsc;
246 con_itesoftc.tabs = cons_tabs;
247 }
248 }
249
250 static struct ite_softc *
251 getitesp(dev_t dev)
252 {
253
254 if (atari_realconfig && (con_itesoftc.grf == NULL))
255 return(device_lookup_private(&ite_cd, 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 * return priority of the best ite (already picked from attach)
275 * or CN_DEAD.
276 */
277 if (con_itesoftc.grf == NULL)
278 cd->cn_pri = CN_DEAD;
279 else {
280 cd->cn_pri = con_itesoftc.grf->g_conpri;
281 cd->cn_dev = con_itesoftc.grf->g_itedev;
282 }
283 }
284
285 void
286 itecninit(struct consdev *cd)
287 {
288 struct ite_softc *sc;
289
290 sc = getitesp(cd->cn_dev);
291 sc->flags |= ITE_ISCONS;
292 iteinit(cd->cn_dev);
293 sc->flags |= ITE_ACTIVE | ITE_ISCONS;
294 }
295
296 /*
297 * ite_cnfinish() is called in ite_init() when the device is
298 * being probed in the normal fasion, thus we can finish setting
299 * up this ite now that the system is more functional.
300 */
301 void
302 ite_cnfinish(struct ite_softc *sc)
303 {
304 static int done;
305
306 if (done)
307 return;
308 done = 1;
309 }
310
311 int
312 itecngetc(dev_t dev)
313 {
314 int c;
315
316 do {
317 c = kbdgetcn();
318 c = ite_cnfilter(c, ITEFILT_CONSOLE);
319 } while (c == -1);
320 return (c);
321 }
322
323 void
324 itecnputc(dev_t dev, int c)
325 {
326 static int paniced;
327 struct ite_softc *sc;
328 char ch;
329
330 sc = getitesp(dev);
331 ch = c;
332
333 if (panicstr && !paniced &&
334 (sc->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
335 ite_on(dev, 3);
336 paniced = 1;
337 }
338 SUBR_CURSOR(sc, START_CURSOROPT);
339 iteputchar(ch, sc);
340 SUBR_CURSOR(sc, END_CURSOROPT);
341 }
342
343 /*
344 * standard entry points to the device.
345 */
346
347 /*
348 * iteinit() is the standard entry point for initialization of
349 * an ite device, it is also called from itecninit().
350 *
351 */
352 void
353 iteinit(dev_t dev)
354 {
355 struct ite_softc *sc;
356
357 sc = getitesp(dev);
358 if (sc->flags & ITE_INITED)
359 return;
360 if (atari_realconfig) {
361 if (sc->kbdmap && sc->kbdmap != &ascii_kbdmap)
362 free(sc->kbdmap, M_DEVBUF);
363 sc->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK);
364 memcpy(sc->kbdmap, &ascii_kbdmap, sizeof(struct kbdmap));
365 }
366 else
367 sc->kbdmap = &ascii_kbdmap;
368
369 sc->cursorx = 0;
370 sc->cursory = 0;
371 SUBR_INIT(sc);
372 SUBR_CURSOR(sc, DRAW_CURSOR);
373 if (sc->tabs == NULL)
374 sc->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
375 ite_reset(sc);
376 sc->flags |= ITE_INITED;
377 }
378
379 int
380 iteopen(dev_t dev, int mode, int devtype, struct lwp *l)
381 {
382 struct ite_softc *sc;
383 struct tty *tp;
384 int error, first, unit;
385
386 unit = ITEUNIT(dev);
387 if (unit >= ite_cd.cd_ndevs)
388 return ENXIO;
389
390 first = 0;
391 sc = getitesp(dev);
392 if (sc == NULL)
393 return ENXIO;
394 if ((sc->flags & ITE_ATTACHED) == 0)
395 return (ENXIO);
396
397 if (sc->tp == NULL) {
398 tp = sc->tp = tty_alloc();
399 tty_attach(tp);
400 }
401 else
402 tp = sc->tp;
403
404 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp))
405 return (EBUSY);
406
407 if ((sc->flags & ITE_ACTIVE) == 0) {
408 ite_on(dev, 0);
409 first = 1;
410 }
411 if (!(tp->t_state & TS_ISOPEN) && tp->t_wopen == 0) {
412 tp->t_oproc = itestart;
413 tp->t_param = ite_param;
414 tp->t_dev = dev;
415 tp->t_iflag = TTYDEF_IFLAG;
416 tp->t_oflag = TTYDEF_OFLAG;
417 tp->t_cflag = TTYDEF_CFLAG;
418 tp->t_lflag = TTYDEF_LFLAG;
419 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
420 tp->t_state = TS_CARR_ON;
421 ttychars(tp);
422 ttsetwater(tp);
423 }
424
425
426 error = ttyopen(tp, 0, (mode & O_NONBLOCK) ? 1 : 0);
427 if (error)
428 goto bad;
429
430 error = (*tp->t_linesw->l_open) (dev, tp);
431 if (error)
432 goto bad;
433
434 tp->t_winsize.ws_row = sc->rows;
435 tp->t_winsize.ws_col = sc->cols;
436 if (!kbd_init) {
437 kbd_init = 1;
438 kbdenable();
439 }
440 return (0);
441
442
443 bad:
444 if (first)
445 ite_off(dev, 0);
446
447 return (error);
448 }
449
450 int
451 iteclose(dev_t dev, int flag, int mode, struct lwp *l)
452 {
453 struct tty *tp;
454
455 tp = getitesp(dev)->tp;
456
457 KDASSERT(tp);
458 (*tp->t_linesw->l_close) (tp, flag);
459 ttyclose(tp);
460 ite_off(dev, 0);
461 return (0);
462 }
463
464 int
465 iteread(dev_t dev, struct uio *uio, int flag)
466 {
467 struct tty *tp;
468
469 tp = getitesp(dev)->tp;
470
471 KDASSERT(tp);
472 return ((*tp->t_linesw->l_read) (tp, uio, flag));
473 }
474
475 int
476 itewrite(dev_t dev, struct uio *uio, int flag)
477 {
478 struct tty *tp;
479
480 tp = getitesp(dev)->tp;
481
482 KDASSERT(tp);
483 return ((*tp->t_linesw->l_write) (tp, uio, flag));
484 }
485
486 int
487 itepoll(dev_t dev, int events, struct lwp *l)
488 {
489 struct tty *tp;
490
491 tp = getitesp(dev)->tp;
492
493 KDASSERT(tp);
494 return ((*tp->t_linesw->l_poll)(tp, events, l));
495 }
496
497 struct tty *
498 itetty(dev_t dev)
499 {
500 return(getitesp(dev)->tp);
501 }
502
503 int
504 iteioctl(dev_t dev, u_long cmd, void * addr, int flag, struct lwp *l)
505 {
506 struct iterepeat *irp;
507 struct ite_softc *sc;
508 struct tty *tp;
509 view_t *view;
510 struct itewinsize *is;
511 struct itebell *ib;
512 int error;
513
514 sc = getitesp(dev);
515 tp = sc->tp;
516 view = viewview(sc->grf->g_viewdev);
517
518 KDASSERT(tp);
519
520 error = (*tp->t_linesw->l_ioctl) (tp, cmd, addr, flag, l);
521 if (error != EPASSTHROUGH)
522 return (error);
523
524 error = ttioctl(tp, cmd, addr, flag, l);
525 if (error != EPASSTHROUGH)
526 return (error);
527
528 switch (cmd) {
529 case ITEIOCSKMAP:
530 if (addr == NULL)
531 return(EFAULT);
532 memcpy(sc->kbdmap, addr, sizeof(struct kbdmap));
533 return 0;
534 case ITEIOCSSKMAP:
535 if (addr == NULL)
536 return(EFAULT);
537 memcpy(&ascii_kbdmap, addr, sizeof(struct kbdmap));
538 return 0;
539 case ITEIOCGKMAP:
540 if (addr == NULL)
541 return(EFAULT);
542 memcpy(addr, sc->kbdmap, sizeof(struct kbdmap));
543 return 0;
544 case ITEIOCGREPT:
545 if (addr == NULL)
546 return(EFAULT);
547 irp = (struct iterepeat *)addr;
548 irp->start = start_repeat_timeo;
549 irp->next = next_repeat_timeo;
550 return 0;
551 case ITEIOCSREPT:
552 if (addr == NULL)
553 return(EFAULT);
554 irp = (struct iterepeat *)addr;
555 if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
556 return(EINVAL);
557 start_repeat_timeo = irp->start;
558 next_repeat_timeo = irp->next;
559 return 0;
560 case ITEIOCGWINSZ:
561 if (addr == NULL)
562 return(EFAULT);
563 is = (struct itewinsize *)addr;
564 is->x = view->display.x;
565 is->y = view->display.y;
566 is->width = view->display.width;
567 is->height = view->display.height;
568 is->depth = view->bitmap->depth;
569 return 0;
570 case ITEIOCDSPWIN:
571 sc->grf->g_mode(sc->grf, GM_GRFON, NULL, 0, 0);
572 return 0;
573 case ITEIOCREMWIN:
574 sc->grf->g_mode(sc->grf, GM_GRFOFF, NULL, 0, 0);
575 return 0;
576 case ITEIOCSBELL:
577 if (addr == NULL)
578 return(EFAULT);
579 ib = (struct itebell *)addr;
580 kbd_bell_sparms(ib->volume, ib->pitch, ib->msec);
581 return 0;
582 case ITEIOCGBELL:
583 if (addr == NULL)
584 return(EFAULT);
585 ib = (struct itebell *)addr;
586 kbd_bell_gparms(&ib->volume, &ib->pitch, &ib->msec);
587 return 0;
588 }
589 return (sc->itexx_ioctl)(sc, cmd, addr, flag, l);
590 }
591
592 void
593 itestart(struct tty *tp)
594 {
595 struct clist *rbp;
596 u_char buf[ITEBURST];
597 int s, len;
598
599 KDASSERT(tp);
600
601 s = spltty(); {
602 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
603 goto out;
604
605 tp->t_state |= TS_BUSY;
606 rbp = &tp->t_outq;
607
608 len = q_to_b(rbp, buf, ITEBURST);
609 } splx(s);
610
611 /* Here is a really good place to implement pre/jumpscroll() */
612 ite_putstr((char *)buf, len, tp->t_dev);
613
614 s = spltty(); {
615 tp->t_state &= ~TS_BUSY;
616 /* we have characters remaining. */
617 if (ttypull(tp)) {
618 tp->t_state |= TS_TIMEOUT;
619 callout_schedule(&tp->t_rstrt_ch, 1);
620 }
621 out: ;
622 } splx(s);
623 }
624
625 void
626 ite_on(dev_t dev, int flag)
627 {
628 struct ite_softc *sc;
629 sc = getitesp(dev);
630
631 /* force ite active, overriding graphics mode */
632 if (flag & 1) {
633 sc->flags |= ITE_ACTIVE;
634 sc->flags &= ~(ITE_INGRF | ITE_INITED);
635 }
636 /* leave graphics mode */
637 if (flag & 2) {
638 sc->flags &= ~ITE_INGRF;
639 if ((sc->flags & ITE_ACTIVE) == 0)
640 return;
641 }
642 sc->flags |= ITE_ACTIVE;
643 if (sc->flags & ITE_INGRF)
644 return;
645 iteinit(dev);
646 }
647
648 void
649 ite_off(dev_t dev, int flag)
650 {
651 struct ite_softc *sc;
652
653 sc = getitesp(dev);
654 if (flag & 2)
655 sc->flags |= ITE_INGRF;
656 if ((sc->flags & ITE_ACTIVE) == 0)
657 return;
658 if ((flag & 1) ||
659 (sc->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
660 SUBR_DEINIT(sc);
661 if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
662 sc->flags &= ~ITE_ACTIVE;
663 }
664
665 static void
666 ite_switch(int unit)
667 {
668 struct ite_softc *sc;
669 extern const struct cdevsw view_cdevsw;
670
671 sc = device_lookup_private(&ite_cd, unit);
672 if (sc == NULL || (sc->flags & (ITE_ATTACHED | ITE_INITED)) == 0)
673 return;
674
675 /*
676 * If switching to an active ite, also switch the keyboard.
677 */
678 if (sc->flags & ITE_ACTIVE)
679 kbd_ite = sc;
680
681 /*
682 * Now make it visible
683 */
684 (*view_cdevsw.d_ioctl)(sc->grf->g_viewdev, VIOCDISPLAY, NULL,
685 0, NOLWP);
686
687 /*
688 * Make sure the cursor's there too....
689 */
690 SUBR_CURSOR(sc, DRAW_CURSOR);
691 }
692
693 /* XXX called after changes made in underlying grf layer. */
694 /* I want to nuke this */
695 void
696 ite_reinit(dev_t dev)
697 {
698 struct ite_softc *sc;
699
700 sc = getitesp(dev);
701 sc->flags &= ~ITE_INITED;
702 iteinit(dev);
703 }
704
705 int
706 ite_param(struct tty *tp, struct termios *t)
707 {
708 tp->t_ispeed = t->c_ispeed;
709 tp->t_ospeed = t->c_ospeed;
710 tp->t_cflag = t->c_cflag;
711 return (0);
712 }
713
714 void
715 ite_reset(struct ite_softc *sc)
716 {
717 int i;
718
719 sc->curx = 0;
720 sc->cury = 0;
721 sc->attribute = ATTR_NOR;
722 sc->save_curx = 0;
723 sc->save_cury = 0;
724 sc->save_attribute = ATTR_NOR;
725 sc->ap = sc->argbuf;
726 sc->emul_level = 0;
727 sc->eightbit_C1 = 0;
728 sc->top_margin = 0;
729 sc->bottom_margin = sc->rows - 1;
730 sc->inside_margins = 0;
731 sc->linefeed_newline = 0;
732 sc->auto_wrap = ite_default_wrap;
733 sc->cursor_appmode = 0;
734 sc->keypad_appmode = 0;
735 sc->imode = 0;
736 sc->key_repeat = 1;
737 memset(sc->tabs, 0, sc->cols);
738 for (i = 0; i < sc->cols; i++)
739 sc->tabs[i] = ((i & 7) == 0);
740 }
741
742 /*
743 * has to be global because of the shared filters.
744 */
745 static u_char last_dead;
746
747 /*
748 * Used in console at startup only and for DDB.
749 */
750 int
751 ite_cnfilter(u_int c, enum caller caller)
752 {
753 struct key key;
754 struct kbdmap *kbdmap;
755 u_char code, up;
756 int s;
757
758 up = KBD_RELEASED(c);
759 c = KBD_SCANCODE(c);
760 code = 0;
761 kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
762
763 s = spltty();
764
765 /*
766 * No special action if key released
767 */
768 if (up) {
769 splx(s);
770 return -1;
771 }
772
773 /* translate modifiers */
774 if (kbd_modifier & KBD_MOD_SHIFT) {
775 if (kbd_modifier & KBD_MOD_ALT)
776 key = kbdmap->alt_shift_keys[c];
777 else
778 key = kbdmap->shift_keys[c];
779 }
780 else if (kbd_modifier & KBD_MOD_ALT)
781 key = kbdmap->alt_keys[c];
782 else {
783 key = kbdmap->keys[c];
784 /*
785 * If CAPS and key is CAPable (no pun intended)
786 */
787 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
788 key = kbdmap->shift_keys[c];
789 }
790 code = key.code;
791
792 #ifdef notyet /* LWP: Didn't have time to look at this yet */
793 /*
794 * If string return simple console filter
795 */
796 if (key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
797 splx(s);
798 return -1;
799 }
800 /* handle dead keys */
801 if (key->mode & KBD_MODE_DEAD) {
802 /* if entered twice, send accent itself */
803 if (last_dead == key->mode & KBD_MODE_ACCMASK)
804 last_dead = 0;
805 else {
806 last_dead = key->mode & KBD_MODE_ACCMASK;
807 splx(s);
808 return -1;
809 }
810 }
811 if (last_dead) {
812 /* can't apply dead flag to string-keys */
813 if (code >= '@' && code < 0x7f)
814 code =
815 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
816 last_dead = 0;
817 }
818 #endif
819 if (kbd_modifier & KBD_MOD_CTRL)
820 code &= 0x1f;
821
822 /*
823 * Do console mapping.
824 */
825 code = code == '\r' ? '\n' : code;
826
827 splx(s);
828 return (code);
829 }
830
831 /* And now the old stuff. */
832
833 /* these are used to implement repeating keys.. */
834 static u_int last_char;
835 static u_char tout_pending;
836
837 static callout_t repeat_ch;
838
839 /*ARGSUSED*/
840 static void
841 repeat_handler(void *arg)
842 {
843 tout_pending = 0;
844 if (last_char)
845 add_sicallback((si_farg)ite_filter, (void *)last_char,
846 (void *)ITEFILT_REPEATER);
847 }
848
849 void
850 ite_filter(u_int c, enum caller caller)
851 {
852 struct tty *kbd_tty;
853 struct kbdmap *kbdmap;
854 u_char code, *str, up;
855 struct key key;
856 int s, i;
857 static bool again;
858
859 if (!again) {
860 /* XXX */
861 callout_init(&repeat_ch, 0);
862 again = true;
863 }
864
865 if (kbd_ite == NULL)
866 return;
867
868 kbd_tty = kbd_ite->tp;
869 kbdmap = kbd_ite->kbdmap;
870
871 up = KBD_RELEASED(c);
872 c = KBD_SCANCODE(c);
873 code = 0;
874
875 /* have to make sure we're at spltty in here */
876 s = spltty();
877
878 /*
879 * keyboard interrupts come at priority 2, while softint
880 * generated keyboard-repeat interrupts come at level 1. So,
881 * to not allow a key-up event to get thru before a repeat for
882 * the key-down, we remove any outstanding callout requests..
883 */
884 rem_sicallback((si_farg)ite_filter);
885
886 /*
887 * Stop repeating on up event
888 */
889 if (up) {
890 if (tout_pending) {
891 callout_stop(&repeat_ch);
892 tout_pending = 0;
893 last_char = 0;
894 }
895 splx(s);
896 return;
897 }
898 else if (tout_pending && last_char != c) {
899 /*
900 * Different character, stop also
901 */
902 callout_stop(&repeat_ch);
903 tout_pending = 0;
904 last_char = 0;
905 }
906
907 /*
908 * Handle ite-switching ALT + Fx
909 */
910 if ((kbd_modifier == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
911 ite_switch(c - 0x3b);
912 splx(s);
913 return;
914 }
915 /*
916 * Safety button, switch back to ascii keymap.
917 */
918 if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
919 /* ALT + LSHIFT + F1 */
920 memcpy(kbdmap, &ascii_kbdmap, sizeof(struct kbdmap));
921 splx(s);
922 return;
923 #ifdef DDB
924 } else if (kbd_modifier == (KBD_MOD_ALT | KBD_MOD_LSHIFT) &&
925 c == 0x43) {
926 /*
927 * ALT + LSHIFT + F9 -> Debugger!
928 */
929 Debugger();
930 splx(s);
931 return;
932 #endif
933 }
934
935 /*
936 * The rest of the code is senseless when the device is not open.
937 */
938 if (kbd_tty == NULL) {
939 splx(s);
940 return;
941 }
942
943 /*
944 * Translate modifiers
945 */
946 if (kbd_modifier & KBD_MOD_SHIFT) {
947 if (kbd_modifier & KBD_MOD_ALT)
948 key = kbdmap->alt_shift_keys[c];
949 else
950 key = kbdmap->shift_keys[c];
951 }
952 else if (kbd_modifier & KBD_MOD_ALT)
953 key = kbdmap->alt_keys[c];
954 else {
955 key = kbdmap->keys[c];
956 /*
957 * If CAPS and key is CAPable (no pun intended)
958 */
959 if ((kbd_modifier & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
960 key = kbdmap->shift_keys[c];
961 }
962 code = key.code;
963
964 /*
965 * Arrange to repeat the keystroke. By doing this at the level
966 * of scan-codes, we can have function keys, and keys that
967 * send strings, repeat too. This also entitles an additional
968 * overhead, since we have to do the conversion each time, but
969 * I guess that's ok.
970 */
971 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
972 tout_pending = 1;
973 last_char = c;
974 callout_reset(&repeat_ch, start_repeat_timeo * hz / 100,
975 repeat_handler, NULL);
976 } else if (!tout_pending && caller==ITEFILT_REPEATER &&
977 kbd_ite->key_repeat) {
978 tout_pending = 1;
979 last_char = c;
980 callout_reset(&repeat_ch, next_repeat_timeo * hz / 100,
981 repeat_handler, NULL);
982 }
983 /* handle dead keys */
984 if (key.mode & KBD_MODE_DEAD) {
985 /* if entered twice, send accent itself */
986 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
987 last_dead = 0;
988 else {
989 last_dead = key.mode & KBD_MODE_ACCMASK;
990 splx(s);
991 return;
992 }
993 }
994 if (last_dead) {
995 /* can't apply dead flag to string-keys */
996 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
997 code < 0x7f)
998 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
999 last_dead = 0;
1000 }
1001
1002 /*
1003 * If not string, apply CTRL modifiers
1004 */
1005 if (!(key.mode & KBD_MODE_STRING) &&
1006 (!(key.mode & KBD_MODE_KPAD) ||
1007 (kbd_ite && !kbd_ite->keypad_appmode))) {
1008 if (kbd_modifier & KBD_MOD_CTRL)
1009 code &= 0x1f;
1010 } else if ((key.mode & KBD_MODE_KPAD) &&
1011 (kbd_ite && kbd_ite->keypad_appmode)) {
1012 static const char * const in = "0123456789-+.\r()/*";
1013 static const char * const out = "pqrstuvwxymlnMPQRS";
1014 char *cp = strchr(in, code);
1015
1016 /*
1017 * keypad-appmode sends SS3 followed by the above
1018 * translated character
1019 */
1020 kbd_tty->t_linesw->l_rint(27, kbd_tty);
1021 kbd_tty->t_linesw->l_rint('O', kbd_tty);
1022 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
1023 splx(s);
1024 return;
1025 } else {
1026 /* *NO* I don't like this.... */
1027 static u_char app_cursor[] =
1028 {
1029 3, 27, 'O', 'A',
1030 3, 27, 'O', 'B',
1031 3, 27, 'O', 'C',
1032 3, 27, 'O', 'D'};
1033
1034 str = kbdmap->strings + code;
1035 /*
1036 * if this is a cursor key, AND it has the default
1037 * keymap setting, AND we're in app-cursor mode, switch
1038 * to the above table. This is *nasty* !
1039 */
1040 if (((c == 0x48) || (c == 0x4b) ||(c == 0x4d) || (c == 0x50)) &&
1041 kbd_ite->cursor_appmode &&
1042 !memcmp(str, "\x03\x1b[", 3) &&
1043 strchr("ABCD", str[3]))
1044 str = app_cursor + 4 * (str[3] - 'A');
1045
1046 /*
1047 * using a length-byte instead of 0-termination allows
1048 * to embed \0 into strings, although this is not used
1049 * in the default keymap
1050 */
1051 for (i = *str++; i; i--)
1052 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1053 splx(s);
1054 return;
1055 }
1056 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1057
1058 splx(s);
1059 return;
1060 }
1061
1062 /* helper functions, makes the code below more readable */
1063 static inline void
1064 ite_sendstr(const char *str)
1065 {
1066 struct tty *kbd_tty;
1067
1068 kbd_tty = kbd_ite->tp;
1069 KDASSERT(kbd_tty);
1070 while (*str)
1071 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1072 }
1073
1074 static void
1075 alignment_display(struct ite_softc *sc)
1076 {
1077 int i, j;
1078
1079 for (j = 0; j < sc->rows; j++)
1080 for (i = 0; i < sc->cols; i++)
1081 SUBR_PUTC(sc, 'E', j, i, ATTR_NOR);
1082 attrclr(sc, 0, 0, sc->rows, sc->cols);
1083 SUBR_CURSOR(sc, DRAW_CURSOR);
1084 }
1085
1086 static inline void
1087 snap_cury(struct ite_softc *sc)
1088 {
1089 if (sc->inside_margins)
1090 {
1091 if (sc->cury < sc->top_margin)
1092 sc->cury = sc->top_margin;
1093 if (sc->cury > sc->bottom_margin)
1094 sc->cury = sc->bottom_margin;
1095 }
1096 }
1097
1098 static inline void
1099 ite_dnchar(struct ite_softc *sc, int n)
1100 {
1101 n = min(n, sc->cols - sc->curx);
1102 if (n < sc->cols - sc->curx)
1103 {
1104 SUBR_SCROLL(sc, sc->cury, sc->curx + n, n, SCROLL_LEFT);
1105 attrmov(sc, sc->cury, sc->curx + n, sc->cury, sc->curx,
1106 1, sc->cols - sc->curx - n);
1107 attrclr(sc, sc->cury, sc->cols - n, 1, n);
1108 }
1109 while (n-- > 0)
1110 SUBR_PUTC(sc, ' ', sc->cury, sc->cols - n - 1, ATTR_NOR);
1111 SUBR_CURSOR(sc, DRAW_CURSOR);
1112 }
1113
1114 static inline void
1115 ite_inchar(struct ite_softc *sc, int n)
1116 {
1117 n = min(n, sc->cols - sc->curx);
1118 if (n < sc->cols - sc->curx)
1119 {
1120 SUBR_SCROLL(sc, sc->cury, sc->curx, n, SCROLL_RIGHT);
1121 attrmov(sc, sc->cury, sc->curx, sc->cury, sc->curx + n,
1122 1, sc->cols - sc->curx - n);
1123 attrclr(sc, sc->cury, sc->curx, 1, n);
1124 }
1125 while (n--)
1126 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR);
1127 SUBR_CURSOR(sc, DRAW_CURSOR);
1128 }
1129
1130 static inline void
1131 ite_clrtoeol(struct ite_softc *sc)
1132 {
1133 int y = sc->cury, x = sc->curx;
1134 if (sc->cols - x > 0)
1135 {
1136 SUBR_CLEAR(sc, y, x, 1, sc->cols - x);
1137 attrclr(sc, y, x, 1, sc->cols - x);
1138 SUBR_CURSOR(sc, DRAW_CURSOR);
1139 }
1140 }
1141
1142 static inline void
1143 ite_clrtobol(struct ite_softc *sc)
1144 {
1145 int y = sc->cury, x = min(sc->curx + 1, sc->cols);
1146 SUBR_CLEAR(sc, y, 0, 1, x);
1147 attrclr(sc, y, 0, 1, x);
1148 SUBR_CURSOR(sc, DRAW_CURSOR);
1149 }
1150
1151 static inline void
1152 ite_clrline(struct ite_softc *sc)
1153 {
1154 int y = sc->cury;
1155 SUBR_CLEAR(sc, y, 0, 1, sc->cols);
1156 attrclr(sc, y, 0, 1, sc->cols);
1157 SUBR_CURSOR(sc, DRAW_CURSOR);
1158 }
1159
1160
1161
1162 static inline void
1163 ite_clrtoeos(struct ite_softc *sc)
1164 {
1165 ite_clrtoeol(sc);
1166 if (sc->cury < sc->rows - 1)
1167 {
1168 SUBR_CLEAR(sc, sc->cury + 1, 0, sc->rows - 1 - sc->cury, sc->cols);
1169 attrclr(sc, sc->cury, 0, sc->rows - sc->cury, sc->cols);
1170 SUBR_CURSOR(sc, DRAW_CURSOR);
1171 }
1172 }
1173
1174 static inline void
1175 ite_clrtobos(struct ite_softc *sc)
1176 {
1177 ite_clrtobol(sc);
1178 if (sc->cury > 0)
1179 {
1180 SUBR_CLEAR(sc, 0, 0, sc->cury, sc->cols);
1181 attrclr(sc, 0, 0, sc->cury, sc->cols);
1182 SUBR_CURSOR(sc, DRAW_CURSOR);
1183 }
1184 }
1185
1186 static inline void
1187 ite_clrscreen(struct ite_softc *sc)
1188 {
1189 SUBR_CLEAR(sc, 0, 0, sc->rows, sc->cols);
1190 attrclr(sc, 0, 0, sc->rows, sc->cols);
1191 SUBR_CURSOR(sc, DRAW_CURSOR);
1192 }
1193
1194
1195
1196 static inline void
1197 ite_dnline(struct ite_softc *sc, int n)
1198 {
1199 /* interesting.. if the cursor is outside the scrolling
1200 region, this command is simply ignored.. */
1201 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin)
1202 return;
1203
1204 n = min(n, sc->bottom_margin + 1 - sc->cury);
1205 if (n <= sc->bottom_margin - sc->cury)
1206 {
1207 SUBR_SCROLL(sc, sc->cury + n, 0, n, SCROLL_UP);
1208 attrmov(sc, sc->cury + n, 0, sc->cury, 0,
1209 sc->bottom_margin + 1 - sc->cury - n, sc->cols);
1210 }
1211 SUBR_CLEAR(sc, sc->bottom_margin - n + 1, 0, n, sc->cols);
1212 attrclr(sc, sc->bottom_margin - n + 1, 0, n, sc->cols);
1213 SUBR_CURSOR(sc, DRAW_CURSOR);
1214 }
1215
1216 static inline void
1217 ite_inline(struct ite_softc *sc, int n)
1218 {
1219 /* interesting.. if the cursor is outside the scrolling
1220 region, this command is simply ignored.. */
1221 if (sc->cury < sc->top_margin || sc->cury > sc->bottom_margin)
1222 return;
1223
1224 n = min(n, sc->bottom_margin + 1 - sc->cury);
1225 if (n <= sc->bottom_margin - sc->cury)
1226 {
1227 SUBR_SCROLL(sc, sc->cury, 0, n, SCROLL_DOWN);
1228 attrmov(sc, sc->cury, 0, sc->cury + n, 0,
1229 sc->bottom_margin + 1 - sc->cury - n, sc->cols);
1230 }
1231 SUBR_CLEAR(sc, sc->cury, 0, n, sc->cols);
1232 attrclr(sc, sc->cury, 0, n, sc->cols);
1233 SUBR_CURSOR(sc, DRAW_CURSOR);
1234 }
1235
1236 static inline void
1237 ite_lf (struct ite_softc *sc)
1238 {
1239 ++sc->cury;
1240 if ((sc->cury == sc->bottom_margin+1) || (sc->cury == sc->rows))
1241 {
1242 sc->cury--;
1243 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP);
1244 ite_clrline(sc);
1245 }
1246 SUBR_CURSOR(sc, MOVE_CURSOR);
1247 clr_attr(sc, ATTR_INV);
1248 }
1249
1250 static inline void
1251 ite_crlf (struct ite_softc *sc)
1252 {
1253 sc->curx = 0;
1254 ite_lf (sc);
1255 }
1256
1257 static inline void
1258 ite_cr (struct ite_softc *sc)
1259 {
1260 if (sc->curx)
1261 {
1262 sc->curx = 0;
1263 SUBR_CURSOR(sc, MOVE_CURSOR);
1264 }
1265 }
1266
1267 static inline void
1268 ite_rlf (struct ite_softc *sc)
1269 {
1270 sc->cury--;
1271 if ((sc->cury < 0) || (sc->cury == sc->top_margin - 1))
1272 {
1273 sc->cury++;
1274 SUBR_SCROLL(sc, sc->top_margin, 0, 1, SCROLL_DOWN);
1275 ite_clrline(sc);
1276 }
1277 SUBR_CURSOR(sc, MOVE_CURSOR);
1278 clr_attr(sc, ATTR_INV);
1279 }
1280
1281 static inline int
1282 atoi (const char *cp)
1283 {
1284 int n;
1285
1286 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1287 n = n * 10 + *cp - '0';
1288
1289 return n;
1290 }
1291
1292 static inline int
1293 ite_argnum (struct ite_softc *sc)
1294 {
1295 char ch;
1296 int n;
1297
1298 /* convert argument string into number */
1299 if (sc->ap == sc->argbuf)
1300 return 1;
1301 ch = *sc->ap;
1302 *sc->ap = 0;
1303 n = atoi (sc->argbuf);
1304 *sc->ap = ch;
1305
1306 return n;
1307 }
1308
1309 static inline int
1310 ite_zargnum (struct ite_softc *sc)
1311 {
1312 char ch;
1313 int n;
1314
1315 /* convert argument string into number */
1316 if (sc->ap == sc->argbuf)
1317 return 0;
1318 ch = *sc->ap;
1319 *sc->ap = 0;
1320 n = atoi (sc->argbuf);
1321 *sc->ap = ch;
1322
1323 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1324 }
1325
1326 void
1327 ite_putstr(const u_char *s, int len, dev_t dev)
1328 {
1329 struct ite_softc *sc;
1330 int i;
1331
1332 sc = getitesp(dev);
1333
1334 /* XXX avoid problems */
1335 if ((sc->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1336 return;
1337
1338 SUBR_CURSOR(sc, START_CURSOROPT);
1339 for (i = 0; i < len; i++)
1340 if (s[i])
1341 iteputchar(s[i], sc);
1342 SUBR_CURSOR(sc, END_CURSOROPT);
1343 }
1344
1345
1346 void
1347 iteputchar(register int c, struct ite_softc *sc)
1348 {
1349 struct tty *kbd_tty;
1350 int n, x, y;
1351 char *cp;
1352
1353 if (kbd_ite == NULL)
1354 kbd_tty = NULL;
1355 else
1356 kbd_tty = kbd_ite->tp;
1357
1358 if (sc->escape)
1359 {
1360 switch (sc->escape)
1361 {
1362 case ESC:
1363 switch (c)
1364 {
1365 /* first 7bit equivalents for the 8bit control characters */
1366
1367 case 'D':
1368 c = IND;
1369 sc->escape = 0;
1370 break; /* and fall into the next switch below (same for all `break') */
1371
1372 case 'E':
1373 c = NEL;
1374 sc->escape = 0;
1375 break;
1376
1377 case 'H':
1378 c = HTS;
1379 sc->escape = 0;
1380 break;
1381
1382 case 'M':
1383 c = RI;
1384 sc->escape = 0;
1385 break;
1386
1387 case 'N':
1388 c = SS2;
1389 sc->escape = 0;
1390 break;
1391
1392 case 'O':
1393 c = SS3;
1394 sc->escape = 0;
1395 break;
1396
1397 case 'P':
1398 c = DCS;
1399 sc->escape = 0;
1400 break;
1401
1402 case '[':
1403 c = CSI;
1404 sc->escape = 0;
1405 break;
1406
1407 case '\\':
1408 c = ST;
1409 sc->escape = 0;
1410 break;
1411
1412 case ']':
1413 c = OSC;
1414 sc->escape = 0;
1415 break;
1416
1417 case '^':
1418 c = PM;
1419 sc->escape = 0;
1420 break;
1421
1422 case '_':
1423 c = APC;
1424 sc->escape = 0;
1425 break;
1426
1427
1428 /* introduces 7/8bit control */
1429 case ' ':
1430 /* can be followed by either F or G */
1431 sc->escape = ' ';
1432 break;
1433
1434
1435 /* a lot of character set selections, not yet used...
1436 94-character sets: */
1437 case '(': /* G0 */
1438 case ')': /* G1 */
1439 sc->escape = c;
1440 return;
1441
1442 case '*': /* G2 */
1443 case '+': /* G3 */
1444 case 'B': /* ASCII */
1445 case 'A': /* ISO latin 1 */
1446 case '<': /* user preferred suplemental */
1447 case '0': /* dec special graphics */
1448
1449 /* 96-character sets: */
1450 case '-': /* G1 */
1451 case '.': /* G2 */
1452 case '/': /* G3 */
1453
1454 /* national character sets: */
1455 case '4': /* dutch */
1456 case '5':
1457 case 'C': /* finnish */
1458 case 'R': /* french */
1459 case 'Q': /* french canadian */
1460 case 'K': /* german */
1461 case 'Y': /* italian */
1462 case '6': /* norwegian/danish */
1463 /* note: %5 and %6 are not supported (two chars..) */
1464
1465 sc->escape = 0;
1466 /* just ignore for now */
1467 return;
1468
1469
1470 /* locking shift modes (as you might guess, not yet supported..) */
1471 case '`':
1472 sc->GR = sc->G1;
1473 sc->escape = 0;
1474 return;
1475
1476 case 'n':
1477 sc->GL = sc->G2;
1478 sc->escape = 0;
1479 return;
1480
1481 case '}':
1482 sc->GR = sc->G2;
1483 sc->escape = 0;
1484 return;
1485
1486 case 'o':
1487 sc->GL = sc->G3;
1488 sc->escape = 0;
1489 return;
1490
1491 case '|':
1492 sc->GR = sc->G3;
1493 sc->escape = 0;
1494 return;
1495
1496
1497 /* font width/height control */
1498 case '#':
1499 sc->escape = '#';
1500 return;
1501
1502
1503 /* hard terminal reset .. */
1504 case 'c':
1505 ite_reset (sc);
1506 SUBR_CURSOR(sc, MOVE_CURSOR);
1507 sc->escape = 0;
1508 return;
1509
1510
1511 case '7':
1512 sc->save_curx = sc->curx;
1513 sc->save_cury = sc->cury;
1514 sc->save_attribute = sc->attribute;
1515 sc->escape = 0;
1516 return;
1517
1518 case '8':
1519 sc->curx = sc->save_curx;
1520 sc->cury = sc->save_cury;
1521 sc->attribute = sc->save_attribute;
1522 SUBR_CURSOR(sc, MOVE_CURSOR);
1523 sc->escape = 0;
1524 return;
1525
1526 case '=':
1527 sc->keypad_appmode = 1;
1528 sc->escape = 0;
1529 return;
1530
1531 case '>':
1532 sc->keypad_appmode = 0;
1533 sc->escape = 0;
1534 return;
1535
1536 case 'Z': /* request ID */
1537 if (sc->emul_level == EMUL_VT100)
1538 ite_sendstr ("\033[?61;0c"); /* XXX not clean */
1539 else
1540 ite_sendstr ("\033[?63;0c"); /* XXX not clean */
1541 sc->escape = 0;
1542 return;
1543
1544 /* default catch all for not recognized ESC sequences */
1545 default:
1546 sc->escape = 0;
1547 return;
1548 }
1549 break;
1550
1551
1552 case '(':
1553 case ')':
1554 sc->escape = 0;
1555 return;
1556
1557
1558 case ' ':
1559 switch (c)
1560 {
1561 case 'F':
1562 sc->eightbit_C1 = 0;
1563 sc->escape = 0;
1564 return;
1565
1566 case 'G':
1567 sc->eightbit_C1 = 1;
1568 sc->escape = 0;
1569 return;
1570
1571 default:
1572 /* not supported */
1573 sc->escape = 0;
1574 return;
1575 }
1576 break;
1577
1578
1579 case '#':
1580 switch (c)
1581 {
1582 case '5':
1583 /* single height, single width */
1584 sc->escape = 0;
1585 return;
1586
1587 case '6':
1588 /* double width, single height */
1589 sc->escape = 0;
1590 return;
1591
1592 case '3':
1593 /* top half */
1594 sc->escape = 0;
1595 return;
1596
1597 case '4':
1598 /* bottom half */
1599 sc->escape = 0;
1600 return;
1601
1602 case '8':
1603 /* screen alignment pattern... */
1604 alignment_display (sc);
1605 sc->escape = 0;
1606 return;
1607
1608 default:
1609 sc->escape = 0;
1610 return;
1611 }
1612 break;
1613
1614
1615
1616 case CSI:
1617 /* the biggie... */
1618 switch (c)
1619 {
1620 case '0': case '1': case '2': case '3': case '4':
1621 case '5': case '6': case '7': case '8': case '9':
1622 case ';': case '\"': case '$': case '>':
1623 if (sc->ap < sc->argbuf + MAX_ARGSIZE)
1624 *sc->ap++ = c;
1625 return;
1626
1627 case BS:
1628 /* you wouldn't believe such perversion is possible?
1629 it is.. BS is allowed in between cursor sequences
1630 (at least), according to vttest.. */
1631 if (--sc->curx < 0)
1632 sc->curx = 0;
1633 else
1634 SUBR_CURSOR(sc, MOVE_CURSOR);
1635 break;
1636
1637 case 'p':
1638 *sc->ap = 0;
1639 if (! strncmp (sc->argbuf, "61\"", 3))
1640 sc->emul_level = EMUL_VT100;
1641 else if (! strncmp (sc->argbuf, "63;1\"", 5)
1642 || ! strncmp (sc->argbuf, "62;1\"", 5))
1643 sc->emul_level = EMUL_VT300_7;
1644 else
1645 sc->emul_level = EMUL_VT300_8;
1646 sc->escape = 0;
1647 return;
1648
1649
1650 case '?':
1651 *sc->ap = 0;
1652 sc->escape = '?';
1653 sc->ap = sc->argbuf;
1654 return;
1655
1656
1657 case 'c':
1658 *sc->ap = 0;
1659 if (sc->argbuf[0] == '>')
1660 {
1661 ite_sendstr ("\033[>24;0;0;0c");
1662 }
1663 else switch (ite_zargnum(sc))
1664 {
1665 case 0:
1666 /* primary DA request, send primary DA response */
1667 if (sc->emul_level == EMUL_VT100)
1668 ite_sendstr ("\033[?1;1c");
1669 else
1670 ite_sendstr ("\033[?63;1c");
1671 break;
1672 }
1673 sc->escape = 0;
1674 return;
1675
1676 case 'n':
1677 switch (ite_zargnum(sc))
1678 {
1679 case 5:
1680 ite_sendstr ("\033[0n"); /* no malfunction */
1681 break;
1682 case 6:
1683 /* cursor position report */
1684 snprintf (sc->argbuf, sizeof(sc->argbuf), "\033[%d;%dR",
1685 sc->cury + 1, sc->curx + 1);
1686 ite_sendstr (sc->argbuf);
1687 break;
1688 }
1689 sc->escape = 0;
1690 return;
1691
1692
1693 case 'x':
1694 switch (ite_zargnum(sc))
1695 {
1696 case 0:
1697 /* Fake some terminal parameters. */
1698 ite_sendstr ("\033[2;1;1;112;112;1;0x");
1699 break;
1700 case 1:
1701 ite_sendstr ("\033[3;1;1;112;112;1;0x");
1702 break;
1703 }
1704 sc->escape = 0;
1705 return;
1706
1707
1708 case 'g':
1709 switch (ite_zargnum(sc))
1710 {
1711 case 0:
1712 if (sc->curx < sc->cols)
1713 sc->tabs[sc->curx] = 0;
1714 break;
1715 case 3:
1716 for (n = 0; n < sc->cols; n++)
1717 sc->tabs[n] = 0;
1718 break;
1719 }
1720 sc->escape = 0;
1721 return;
1722
1723
1724 case 'h': case 'l':
1725 n = ite_zargnum (sc);
1726 switch (n)
1727 {
1728 case 4:
1729 sc->imode = (c == 'h'); /* insert/replace mode */
1730 break;
1731 case 20:
1732 sc->linefeed_newline = (c == 'h');
1733 break;
1734 }
1735 sc->escape = 0;
1736 return;
1737
1738
1739 case 'M':
1740 ite_dnline (sc, ite_argnum (sc));
1741 sc->escape = 0;
1742 return;
1743
1744
1745 case 'L':
1746 ite_inline (sc, ite_argnum (sc));
1747 sc->escape = 0;
1748 return;
1749
1750
1751 case 'P':
1752 ite_dnchar (sc, ite_argnum (sc));
1753 sc->escape = 0;
1754 return;
1755
1756
1757 case '@':
1758 ite_inchar (sc, ite_argnum (sc));
1759 sc->escape = 0;
1760 return;
1761
1762
1763 case 'G':
1764 /* this one was *not* in my vt320 manual but in
1765 a vt320 termcap entry.. who is right?
1766 It's supposed to set the horizontal cursor position. */
1767 *sc->ap = 0;
1768 x = atoi (sc->argbuf);
1769 if (x) x--;
1770 sc->curx = min(x, sc->cols - 1);
1771 sc->escape = 0;
1772 SUBR_CURSOR(sc, MOVE_CURSOR);
1773 clr_attr (sc, ATTR_INV);
1774 return;
1775
1776
1777 case 'd':
1778 /* same thing here, this one's for setting the absolute
1779 vertical cursor position. Not documented... */
1780 *sc->ap = 0;
1781 y = atoi (sc->argbuf);
1782 if (y) y--;
1783 if (sc->inside_margins)
1784 y += sc->top_margin;
1785 sc->cury = min(y, sc->rows - 1);
1786 sc->escape = 0;
1787 snap_cury(sc);
1788 SUBR_CURSOR(sc, MOVE_CURSOR);
1789 clr_attr (sc, ATTR_INV);
1790 return;
1791
1792
1793 case 'H':
1794 case 'f':
1795 *sc->ap = 0;
1796 y = atoi (sc->argbuf);
1797 x = 0;
1798 cp = strchr(sc->argbuf, ';');
1799 if (cp)
1800 x = atoi (cp + 1);
1801 if (x) x--;
1802 if (y) y--;
1803 if (sc->inside_margins)
1804 y += sc->top_margin;
1805 sc->cury = min(y, sc->rows - 1);
1806 sc->curx = min(x, sc->cols - 1);
1807 sc->escape = 0;
1808 snap_cury(sc);
1809 SUBR_CURSOR(sc, MOVE_CURSOR);
1810 clr_attr (sc, ATTR_INV);
1811 return;
1812
1813 case 'A':
1814 n = ite_argnum (sc);
1815 n = sc->cury - (n ? n : 1);
1816 if (n < 0) n = 0;
1817 if (sc->inside_margins)
1818 n = max(sc->top_margin, n);
1819 else if (n == sc->top_margin - 1)
1820 /* allow scrolling outside region, but don't scroll out
1821 of active region without explicit CUP */
1822 n = sc->top_margin;
1823 sc->cury = n;
1824 sc->escape = 0;
1825 SUBR_CURSOR(sc, MOVE_CURSOR);
1826 clr_attr (sc, ATTR_INV);
1827 return;
1828
1829 case 'B':
1830 n = ite_argnum (sc);
1831 n = sc->cury + (n ? n : 1);
1832 n = min(sc->rows - 1, n);
1833 if (sc->inside_margins)
1834 n = min(sc->bottom_margin, n);
1835 else if (n == sc->bottom_margin + 1)
1836 /* allow scrolling outside region, but don't scroll out
1837 of active region without explicit CUP */
1838 n = sc->bottom_margin;
1839 sc->cury = n;
1840 sc->escape = 0;
1841 SUBR_CURSOR(sc, MOVE_CURSOR);
1842 clr_attr (sc, ATTR_INV);
1843 return;
1844
1845 case 'C':
1846 n = ite_argnum (sc);
1847 n = n ? n : 1;
1848 sc->curx = min(sc->curx + n, sc->cols - 1);
1849 sc->escape = 0;
1850 SUBR_CURSOR(sc, MOVE_CURSOR);
1851 clr_attr (sc, ATTR_INV);
1852 return;
1853
1854 case 'D':
1855 n = ite_argnum (sc);
1856 n = n ? n : 1;
1857 n = sc->curx - n;
1858 sc->curx = n >= 0 ? n : 0;
1859 sc->escape = 0;
1860 SUBR_CURSOR(sc, MOVE_CURSOR);
1861 clr_attr (sc, ATTR_INV);
1862 return;
1863
1864
1865
1866
1867 case 'J':
1868 *sc->ap = 0;
1869 n = ite_zargnum (sc);
1870 if (n == 0)
1871 ite_clrtoeos(sc);
1872 else if (n == 1)
1873 ite_clrtobos(sc);
1874 else if (n == 2)
1875 ite_clrscreen(sc);
1876 sc->escape = 0;
1877 return;
1878
1879
1880 case 'K':
1881 n = ite_zargnum (sc);
1882 if (n == 0)
1883 ite_clrtoeol(sc);
1884 else if (n == 1)
1885 ite_clrtobol(sc);
1886 else if (n == 2)
1887 ite_clrline(sc);
1888 sc->escape = 0;
1889 return;
1890
1891
1892 case 'X':
1893 n = ite_argnum(sc) - 1;
1894 n = min(n, sc->cols - 1 - sc->curx);
1895 for (; n >= 0; n--)
1896 {
1897 attrclr(sc, sc->cury, sc->curx + n, 1, 1);
1898 SUBR_PUTC(sc, ' ', sc->cury, sc->curx + n, ATTR_NOR);
1899 }
1900 sc->escape = 0;
1901 return;
1902
1903
1904 case '}': case '`':
1905 /* status line control */
1906 sc->escape = 0;
1907 return;
1908
1909
1910 case 'r':
1911 *sc->ap = 0;
1912 x = atoi (sc->argbuf);
1913 x = x ? x : 1;
1914 y = sc->rows;
1915 cp = strchr(sc->argbuf, ';');
1916 if (cp)
1917 {
1918 y = atoi (cp + 1);
1919 y = y ? y : sc->rows;
1920 }
1921 if (y - x < 2)
1922 {
1923 /* if illegal scrolling region, reset to defaults */
1924 x = 1;
1925 y = sc->rows;
1926 }
1927 x--;
1928 y--;
1929 sc->top_margin = min(x, sc->rows - 1);
1930 sc->bottom_margin = min(y, sc->rows - 1);
1931 if (sc->inside_margins)
1932 {
1933 sc->cury = sc->top_margin;
1934 sc->curx = 0;
1935 SUBR_CURSOR(sc, MOVE_CURSOR);
1936 }
1937 sc->escape = 0;
1938 return;
1939
1940
1941 case 'm':
1942 /* big attribute setter/resetter */
1943 {
1944 char *chp;
1945 *sc->ap = 0;
1946 /* kludge to make CSIm work (== CSI0m) */
1947 if (sc->ap == sc->argbuf)
1948 sc->ap++;
1949 for (chp = sc->argbuf; chp < sc->ap; )
1950 {
1951 switch (*chp)
1952 {
1953 case 0:
1954 case '0':
1955 clr_attr (sc, ATTR_ALL);
1956 chp++;
1957 break;
1958
1959 case '1':
1960 set_attr (sc, ATTR_BOLD);
1961 chp++;
1962 break;
1963
1964 case '2':
1965 switch (chp[1])
1966 {
1967 case '2':
1968 clr_attr (sc, ATTR_BOLD);
1969 chp += 2;
1970 break;
1971
1972 case '4':
1973 clr_attr (sc, ATTR_UL);
1974 chp += 2;
1975 break;
1976
1977 case '5':
1978 clr_attr (sc, ATTR_BLINK);
1979 chp += 2;
1980 break;
1981
1982 case '7':
1983 clr_attr (sc, ATTR_INV);
1984 chp += 2;
1985 break;
1986
1987 default:
1988 chp++;
1989 break;
1990 }
1991 break;
1992
1993 case '4':
1994 set_attr (sc, ATTR_UL);
1995 chp++;
1996 break;
1997
1998 case '5':
1999 set_attr (sc, ATTR_BLINK);
2000 chp++;
2001 break;
2002
2003 case '7':
2004 set_attr (sc, ATTR_INV);
2005 chp++;
2006 break;
2007
2008 default:
2009 chp++;
2010 break;
2011 }
2012 }
2013
2014 }
2015 sc->escape = 0;
2016 return;
2017
2018
2019 case 'u':
2020 /* DECRQTSR */
2021 ite_sendstr ("\033P\033\\");
2022 sc->escape = 0;
2023 return;
2024
2025
2026
2027 default:
2028 sc->escape = 0;
2029 return;
2030 }
2031 break;
2032
2033
2034
2035 case '?': /* CSI ? */
2036 switch (c)
2037 {
2038 case '0': case '1': case '2': case '3': case '4':
2039 case '5': case '6': case '7': case '8': case '9':
2040 case ';': case '\"': case '$':
2041 /* Don't fill the last character; it's needed. */
2042 /* XXX yeah, where ?? */
2043 if (sc->ap < sc->argbuf + MAX_ARGSIZE - 1)
2044 *sc->ap++ = c;
2045 return;
2046
2047
2048 case 'n':
2049 *sc->ap = 0;
2050 if (sc->ap == &sc->argbuf[2])
2051 {
2052 if (! strncmp (sc->argbuf, "15", 2))
2053 /* printer status: no printer */
2054 ite_sendstr ("\033[13n");
2055
2056 else if (! strncmp (sc->argbuf, "25", 2))
2057 /* udk status */
2058 ite_sendstr ("\033[20n");
2059
2060 else if (! strncmp (sc->argbuf, "26", 2))
2061 /* keyboard dialect: US */
2062 ite_sendstr ("\033[27;1n");
2063 }
2064 sc->escape = 0;
2065 return;
2066
2067
2068 case 'h': case 'l':
2069 n = ite_zargnum (sc);
2070 switch (n)
2071 {
2072 case 1:
2073 sc->cursor_appmode = (c == 'h');
2074 break;
2075
2076 case 3:
2077 /* 132/80 columns (132 == 'h') */
2078 break;
2079
2080 case 4: /* smooth scroll */
2081 break;
2082
2083 case 5:
2084 /* light background (=='h') /dark background(=='l') */
2085 break;
2086
2087 case 6: /* origin mode */
2088 sc->inside_margins = (c == 'h');
2089 sc->curx = 0;
2090 sc->cury = sc->inside_margins ? sc->top_margin : 0;
2091 SUBR_CURSOR(sc, MOVE_CURSOR);
2092 break;
2093
2094 case 7: /* auto wraparound */
2095 sc->auto_wrap = (c == 'h');
2096 break;
2097
2098 case 8: /* keyboard repeat */
2099 sc->key_repeat = (c == 'h');
2100 break;
2101
2102 case 20: /* newline mode */
2103 sc->linefeed_newline = (c == 'h');
2104 break;
2105
2106 case 25: /* cursor on/off */
2107 SUBR_CURSOR(sc, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
2108 break;
2109 }
2110 sc->escape = 0;
2111 return;
2112
2113 default:
2114 sc->escape = 0;
2115 return;
2116 }
2117 break;
2118
2119
2120 default:
2121 sc->escape = 0;
2122 return;
2123 }
2124 }
2125
2126 switch (c) {
2127
2128 case VT: /* VT is treated like LF */
2129 case FF: /* so is FF */
2130 case LF:
2131 /* cr->crlf distinction is done here, on output,
2132 not on input! */
2133 if (sc->linefeed_newline)
2134 ite_crlf (sc);
2135 else
2136 ite_lf (sc);
2137 break;
2138
2139 case CR:
2140 ite_cr (sc);
2141 break;
2142
2143 case BS:
2144 if (--sc->curx < 0)
2145 sc->curx = 0;
2146 else
2147 SUBR_CURSOR(sc, MOVE_CURSOR);
2148 break;
2149
2150 case HT:
2151 for (n = sc->curx + 1; n < sc->cols; n++) {
2152 if (sc->tabs[n]) {
2153 sc->curx = n;
2154 SUBR_CURSOR(sc, MOVE_CURSOR);
2155 break;
2156 }
2157 }
2158 break;
2159
2160 case BEL:
2161 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
2162 kbdbell();
2163 break;
2164
2165 case SO:
2166 sc->GL = sc->G1;
2167 break;
2168
2169 case SI:
2170 sc->GL = sc->G0;
2171 break;
2172
2173 case ENQ:
2174 /* send answer-back message !! */
2175 break;
2176
2177 case CAN:
2178 sc->escape = 0; /* cancel any escape sequence in progress */
2179 break;
2180
2181 case SUB:
2182 sc->escape = 0; /* dito, but see below */
2183 /* should also display a reverse question mark!! */
2184 break;
2185
2186 case ESC:
2187 sc->escape = ESC;
2188 break;
2189
2190
2191 /* now it gets weird.. 8bit control sequences.. */
2192 case IND: /* index: move cursor down, scroll */
2193 ite_lf (sc);
2194 break;
2195
2196 case NEL: /* next line. next line, first pos. */
2197 ite_crlf (sc);
2198 break;
2199
2200 case HTS: /* set horizontal tab */
2201 if (sc->curx < sc->cols)
2202 sc->tabs[sc->curx] = 1;
2203 break;
2204
2205 case RI: /* reverse index */
2206 ite_rlf (sc);
2207 break;
2208
2209 case SS2: /* go into G2 for one character */
2210 /* not yet supported */
2211 break;
2212
2213 case SS3: /* go into G3 for one character */
2214 break;
2215
2216 case DCS: /* device control string introducer */
2217 sc->escape = DCS;
2218 sc->ap = sc->argbuf;
2219 break;
2220
2221 case CSI: /* control sequence introducer */
2222 sc->escape = CSI;
2223 sc->ap = sc->argbuf;
2224 break;
2225
2226 case ST: /* string terminator */
2227 /* ignore, if not used as terminator */
2228 break;
2229
2230 case OSC: /* introduces OS command. Ignore everything upto ST */
2231 sc->escape = OSC;
2232 break;
2233
2234 case PM: /* privacy message, ignore everything upto ST */
2235 sc->escape = PM;
2236 break;
2237
2238 case APC: /* application program command, ignore everything upto ST */
2239 sc->escape = APC;
2240 break;
2241
2242 default:
2243 if (c < ' ' || c == DEL)
2244 break;
2245 if (sc->imode)
2246 ite_inchar(sc, 1);
2247 iteprecheckwrap(sc);
2248 #ifdef DO_WEIRD_ATTRIBUTES
2249 if ((sc->attribute & ATTR_INV) || attrtest(sc, ATTR_INV)) {
2250 attrset(sc, ATTR_INV);
2251 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_INV);
2252 }
2253 else
2254 SUBR_PUTC(sc, c, sc->cury, sc->curx, ATTR_NOR);
2255 #else
2256 SUBR_PUTC(sc, c, sc->cury, sc->curx, sc->attribute);
2257 #endif
2258 SUBR_CURSOR(sc, DRAW_CURSOR);
2259 itecheckwrap(sc);
2260 break;
2261 }
2262 }
2263
2264 static void
2265 iteprecheckwrap(struct ite_softc *sc)
2266 {
2267 if (sc->auto_wrap && sc->curx == sc->cols) {
2268 sc->curx = 0;
2269 clr_attr(sc, ATTR_INV);
2270 if (++sc->cury >= sc->bottom_margin + 1) {
2271 sc->cury = sc->bottom_margin;
2272 SUBR_CURSOR(sc, MOVE_CURSOR);
2273 SUBR_SCROLL(sc, sc->top_margin + 1, 0, 1, SCROLL_UP);
2274 ite_clrtoeol(sc);
2275 } else
2276 SUBR_CURSOR(sc, MOVE_CURSOR);
2277 }
2278 }
2279
2280 static void
2281 itecheckwrap(struct ite_softc *sc)
2282 {
2283 if (sc->curx < sc->cols) {
2284 sc->curx++;
2285 SUBR_CURSOR(sc, MOVE_CURSOR);
2286 }
2287 }
2288