ite.c revision 1.70.2.5 1 /* $NetBSD: ite.c,v 1.70.2.5 2007/12/07 17:24:07 yamt Exp $ */
2
3 /*
4 * Copyright (c) 1990 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * the Systems Programming Group of the University of Utah Computer
9 * Science Department.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * from: Utah Hdr: ite.c 1.1 90/07/09
36 * @(#)ite.c 7.6 (Berkeley) 5/16/91
37 */
38 /*
39 * Copyright (c) 1988 University of Utah.
40 *
41 * This code is derived from software contributed to Berkeley by
42 * the Systems Programming Group of the University of Utah Computer
43 * Science Department.
44 *
45 * Redistribution and use in source and binary forms, with or without
46 * modification, are permitted provided that the following conditions
47 * are met:
48 * 1. Redistributions of source code must retain the above copyright
49 * notice, this list of conditions and the following disclaimer.
50 * 2. Redistributions in binary form must reproduce the above copyright
51 * notice, this list of conditions and the following disclaimer in the
52 * documentation and/or other materials provided with the distribution.
53 * 3. All advertising materials mentioning features or use of this software
54 * must display the following acknowledgement:
55 * This product includes software developed by the University of
56 * California, Berkeley and its contributors.
57 * 4. Neither the name of the University nor the names of its contributors
58 * may be used to endorse or promote products derived from this software
59 * without specific prior written permission.
60 *
61 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
62 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
63 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
64 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
65 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
66 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
67 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
68 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
69 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
70 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
71 * SUCH DAMAGE.
72 *
73 * from: Utah Hdr: ite.c 1.1 90/07/09
74 * @(#)ite.c 7.6 (Berkeley) 5/16/91
75 */
76
77 /*
78 * ite - bitmaped terminal.
79 * Supports VT200, a few terminal features will be unavailable until
80 * the system actually probes the device (i.e. not after consinit())
81 */
82
83 #include "opt_ddb.h"
84
85 #include <sys/cdefs.h>
86 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.70.2.5 2007/12/07 17:24:07 yamt Exp $");
87
88 #include <sys/param.h>
89 #include <sys/kernel.h>
90 #include <sys/device.h>
91 #include <sys/fcntl.h>
92 #include <sys/malloc.h>
93 #include <sys/ioctl.h>
94 #include <sys/tty.h>
95 #include <sys/termios.h>
96 #include <sys/systm.h>
97 #include <sys/callout.h>
98 #include <sys/proc.h>
99 #include <dev/cons.h>
100 #include <sys/kauth.h>
101 #include <amiga/amiga/cc.h>
102 #include <amiga/amiga/color.h> /* DEBUG */
103 #include <amiga/amiga/custom.h> /* DEBUG */
104 #include <amiga/amiga/device.h>
105 #if defined(__m68k__)
106 #include <amiga/amiga/isr.h>
107 #endif
108 #include <amiga/dev/iteioctl.h>
109 #include <amiga/dev/itevar.h>
110 #include <amiga/dev/kbdmap.h>
111 #include <amiga/dev/grfioctl.h>
112 #include <amiga/dev/grfvar.h>
113
114 #include <machine/cpu.h> /* for is_draco() */
115
116 #include <sys/conf.h>
117
118 #include "grfcc.h"
119 #include "ite.h"
120
121 /*
122 * XXX go ask sys/kern/tty.c:ttselect()
123 */
124
125 #define ITEUNIT(dev) (minor(dev))
126
127 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
128 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
129 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
130 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
131 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
132 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
133 (ip)->grf->g_itescroll(ip,sy,sx,count,dir)
134
135 int start_repeat_timeo = 30; /* first repeat after x s/100 */
136 int next_repeat_timeo = 10; /* next repeat after x s/100 */
137
138 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
139
140 struct ite_softc con_itesoftc;
141 u_char cons_tabs[MAX_TABS];
142
143 struct ite_softc *kbd_ite;
144
145 /* audio bell stuff */
146 u_int bvolume = 10;
147 u_int bpitch = 660;
148 u_int bmsec = 75;
149
150 static char *bsamplep;
151 static char sample[20] = {
152 0,39,75,103,121,127,121,103,75,39,0,
153 -39,-75,-103,-121,-127,-121,-103,-75,-39
154 };
155
156 static callout_t repeat_ch;
157
158 void iteputchar(int c, struct ite_softc *ip);
159 void ite_putstr(const char * s, int len, dev_t dev);
160 void iteattach(struct device *, struct device *, void *);
161 int itematch(struct device *, struct cfdata *, void *);
162 static void iteprecheckwrap(struct ite_softc *);
163 static void itecheckwrap(struct ite_softc *);
164 struct ite_softc *getitesp(dev_t);
165 void init_bell(void);
166 void ite_bell(void);
167 void itecnpollc(dev_t, int);
168 static void repeat_handler(void *);
169 inline static void ite_sendstr(const char *);
170 static void alignment_display(struct ite_softc *);
171 inline static void snap_cury(struct ite_softc *);
172 inline static void ite_dnchar(struct ite_softc *, int);
173 inline static void ite_inchar(struct ite_softc *, int);
174 inline static void ite_clrtoeol(struct ite_softc *);
175 inline static void ite_clrtobol(struct ite_softc *);
176 inline static void ite_clrline(struct ite_softc *);
177 inline static void ite_clrtoeos(struct ite_softc *);
178 inline static void ite_clrtobos(struct ite_softc *);
179 inline static void ite_clrscreen(struct ite_softc *);
180 inline static void ite_dnline(struct ite_softc *, int);
181 inline static void ite_inline(struct ite_softc *, int);
182 inline static void ite_lf(struct ite_softc *);
183 inline static void ite_crlf(struct ite_softc *);
184 inline static void ite_cr(struct ite_softc *);
185 inline static void ite_rlf(struct ite_softc *);
186 inline static int atoi(const char *);
187 inline static int ite_argnum(struct ite_softc *);
188 inline static int ite_zargnum(struct ite_softc *);
189
190 CFATTACH_DECL(ite, sizeof(struct ite_softc),
191 itematch, iteattach, NULL, NULL);
192
193 extern struct cfdriver ite_cd;
194
195 dev_type_open(iteopen);
196 dev_type_close(iteclose);
197 dev_type_read(iteread);
198 dev_type_write(itewrite);
199 dev_type_ioctl(iteioctl);
200 dev_type_tty(itetty);
201 dev_type_poll(itepoll);
202
203 const struct cdevsw ite_cdevsw = {
204 iteopen, iteclose, iteread, itewrite, iteioctl,
205 nostop, itetty, itepoll, nommap, ttykqfilter, D_TTY
206 };
207
208 int
209 itematch(struct device *pdp, struct cfdata *cfp, void *auxp)
210 {
211 struct grf_softc *gp;
212 int maj;
213
214 gp = auxp;
215
216 /*
217 * XXX
218 * normally this would be done in attach, however
219 * during early init we do not have a device pointer
220 * and thus no unit number.
221 */
222 maj = cdevsw_lookup_major(&ite_cdevsw);
223 gp->g_itedev = makedev(maj, cfp->cf_unit);
224 return(1);
225 }
226
227 void
228 iteattach(struct device *pdp, struct device *dp, void *auxp)
229 {
230 struct grf_softc *gp;
231 struct ite_softc *ip;
232 int s;
233
234 gp = (struct grf_softc *)auxp;
235 if (dp) {
236 ip = (struct ite_softc *)dp;
237
238 s = spltty();
239 if (con_itesoftc.grf != NULL &&
240 con_itesoftc.grf->g_unit == gp->g_unit) {
241 /*
242 * console reinit copy params over.
243 * and console always gets keyboard
244 */
245 bcopy(&con_itesoftc.grf, &ip->grf,
246 (char *)&ip[1] - (char *)&ip->grf);
247 con_itesoftc.grf = NULL;
248 kbd_ite = ip;
249 }
250 ip->grf = gp;
251 splx(s);
252
253 alloc_sicallback();
254 iteinit(gp->g_itedev);
255 printf(": rows %d cols %d", ip->rows, ip->cols);
256 printf(" repeat at (%d/100)s next at (%d/100)s",
257 start_repeat_timeo, next_repeat_timeo);
258
259 if (kbd_ite == NULL)
260 kbd_ite = ip;
261 if (kbd_ite == ip)
262 printf(" has keyboard");
263 printf("\n");
264 ip->flags |= ITE_ATTACHED;
265 } else {
266 if (con_itesoftc.grf != NULL &&
267 con_itesoftc.grf->g_conpri > gp->g_conpri)
268 return;
269 con_itesoftc.grf = gp;
270 con_itesoftc.tabs = cons_tabs;
271 }
272 }
273
274 struct ite_softc *
275 getitesp(dev_t dev)
276 {
277 if (amiga_realconfig && con_itesoftc.grf == NULL)
278 return(ite_cd.cd_devs[ITEUNIT(dev)]);
279
280 if (con_itesoftc.grf == NULL)
281 panic("no ite_softc for console");
282 return(&con_itesoftc);
283 }
284
285 /*
286 * cons.c entry points into ite device.
287 */
288
289 /*
290 * Return a priority in consdev->cn_pri field highest wins. This function
291 * is called before any devices have been probed.
292 */
293 void
294 itecnprobe(struct consdev *cd)
295 {
296 /*
297 * bring graphics layer up.
298 */
299 config_console();
300
301 /*
302 * return priority of the best ite (already picked from attach)
303 * or CN_DEAD.
304 */
305 if (con_itesoftc.grf == NULL)
306 cd->cn_pri = CN_DEAD;
307 else {
308 cd->cn_pri = con_itesoftc.grf->g_conpri;
309 cd->cn_dev = con_itesoftc.grf->g_itedev;
310 }
311 }
312
313 /* audio bell stuff */
314 void
315 init_bell(void)
316 {
317 if (bsamplep != NULL)
318 return;
319 bsamplep = alloc_chipmem(20);
320 if (bsamplep == NULL)
321 panic("no chipmem for ite_bell");
322
323 bcopy(sample, bsamplep, 20);
324 }
325
326 void
327 ite_bell(void)
328 {
329 u_int clock;
330 u_int period;
331 u_int count;
332
333 clock = 3579545; /* PAL 3546895 */
334
335 /*
336 * the number of clock ticks per sample byte must be > 124
337 * ergo bpitch must be < clock / 124*20
338 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously
339 */
340 period = clock / (bpitch * 20);
341 count = bmsec * bpitch / 1000;
342
343 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count);
344 }
345
346 void
347 itecninit(struct consdev *cd)
348 {
349 struct ite_softc *ip;
350
351 ip = getitesp(cd->cn_dev);
352 iteinit(cd->cn_dev);
353 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
354
355 #ifdef DRACO
356 if (!is_draco())
357 #endif
358 init_bell();
359 }
360
361 /*
362 * ite_cnfinish() is called in ite_init() when the device is
363 * being probed in the normal fasion, thus we can finish setting
364 * up this ite now that the system is more functional.
365 */
366 void
367 ite_cnfinish(struct ite_softc *ip)
368 {
369 static int done;
370
371 if (done)
372 return;
373 done = 1;
374 }
375
376 int
377 itecngetc(dev_t dev)
378 {
379 int c;
380
381 /* XXX this should be moved */
382 kbdenable();
383 do {
384 c = kbdgetcn();
385 c = ite_cnfilter(c, ITEFILT_CONSOLE);
386 } while (c == -1);
387 return (c);
388 }
389
390 void
391 itecnputc(dev_t dev, int c)
392 {
393 static int paniced;
394 struct ite_softc *ip;
395 char ch;
396
397 ip = getitesp(dev);
398 ch = c;
399
400 if (panicstr && !paniced &&
401 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
402 ite_on(dev, 3);
403 paniced = 1;
404 }
405 iteputchar(ch, ip);
406 }
407
408 void
409 itecnpollc(dev_t dev, int on)
410 {
411 }
412
413 /*
414 * standard entry points to the device.
415 */
416
417 /*
418 * iteinit() is the standard entry point for initialization of
419 * an ite device, it is also called from ite_cninit().
420 *
421 */
422 void
423 iteinit(dev_t dev)
424 {
425 struct ite_softc *ip;
426 static int kbdmap_loaded = 0;
427
428 ip = getitesp(dev);
429 if (ip->flags & ITE_INITED)
430 return;
431 if (kbdmap_loaded == 0) {
432 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
433 kbdmap_loaded = 1;
434 }
435
436 callout_init(&repeat_ch, 0);
437
438 ip->cursorx = 0;
439 ip->cursory = 0;
440 SUBR_INIT(ip);
441 SUBR_CURSOR(ip, DRAW_CURSOR);
442 if (ip->tabs == NULL)
443 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
444 ite_reset(ip);
445 ip->flags |= ITE_INITED;
446 }
447
448 int
449 iteopen(dev_t dev, int mode, int devtype, struct lwp *l)
450 {
451 struct ite_softc *ip;
452 struct tty *tp;
453 int error, first, unit;
454
455 unit = ITEUNIT(dev);
456 first = 0;
457
458 if (unit >= ite_cd.cd_ndevs)
459 return ENXIO;
460 ip = getitesp(dev);
461 if (ip == NULL)
462 return ENXIO;
463 if ((ip->flags & ITE_ATTACHED) == 0)
464 return ENXIO;
465
466 if (ip->tp == NULL) {
467 tp = ip->tp = ttymalloc();
468 tty_attach(tp);
469 } else
470 tp = ip->tp;
471
472 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp))
473 return (EBUSY);
474
475 if ((ip->flags & ITE_ACTIVE) == 0) {
476 ite_on(dev, 0);
477 first = 1;
478 }
479 tp->t_oproc = itestart;
480 tp->t_param = ite_param;
481 tp->t_dev = dev;
482 if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) {
483 ttychars(tp);
484 tp->t_iflag = TTYDEF_IFLAG;
485 tp->t_oflag = TTYDEF_OFLAG;
486 tp->t_cflag = TTYDEF_CFLAG;
487 tp->t_lflag = TTYDEF_LFLAG;
488 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
489 tp->t_state = TS_CARR_ON;
490 ttsetwater(tp);
491 }
492 error = ttyopen(tp, 0, mode & O_NONBLOCK);
493 if (error)
494 goto bad;
495
496 error = tp->t_linesw->l_open(dev, tp);
497 if (error)
498 goto bad;
499
500 tp->t_winsize.ws_row = ip->rows;
501 tp->t_winsize.ws_col = ip->cols;
502 kbdenable();
503 return (0);
504 bad:
505 if (first)
506 ite_off(dev, 0);
507 return (error);
508 }
509
510 int
511 iteclose(dev_t dev, int flag, int mode, struct lwp *l)
512 {
513 struct tty *tp;
514
515 tp = getitesp(dev)->tp;
516
517 KDASSERT(tp);
518 tp->t_linesw->l_close(tp, flag);
519 ttyclose(tp);
520 ite_off(dev, 0);
521 return (0);
522 }
523
524 int
525 iteread(dev_t dev, struct uio *uio, int flag)
526 {
527 struct tty *tp;
528
529 tp = getitesp(dev)->tp;
530
531 KDASSERT(tp);
532 return tp->t_linesw->l_read(tp, uio, flag);
533 }
534
535 int
536 itewrite(dev_t dev, struct uio *uio, int flag)
537 {
538 struct tty *tp;
539
540 tp = getitesp(dev)->tp;
541
542 KDASSERT(tp);
543 return tp->t_linesw->l_write(tp, uio, flag);
544 }
545
546 int
547 itepoll(dev_t dev, int events, struct lwp *l)
548 {
549 struct tty *tp;
550
551 tp = getitesp(dev)->tp;
552
553 KDASSERT(tp);
554 return ((*tp->t_linesw->l_poll)(tp, events, l));
555 }
556
557 struct tty *
558 itetty(dev_t dev)
559 {
560 return (getitesp(dev)->tp);
561 }
562
563 int
564 iteioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l)
565 {
566 struct iterepeat *irp;
567 struct ite_softc *ip;
568 struct itebell *ib;
569 struct tty *tp;
570 int error;
571
572 ip = getitesp(dev);
573 tp = ip->tp;
574
575 KDASSERT(tp);
576
577 error = tp->t_linesw->l_ioctl(tp, cmd, addr, flag, l);
578 if (error != EPASSTHROUGH)
579 return (error);
580 error = ttioctl(tp, cmd, addr, flag, l);
581 if (error != EPASSTHROUGH)
582 return (error);
583
584 switch (cmd) {
585 case ITEIOCGBELL:
586 ib = (struct itebell *)addr;
587 ib->volume = bvolume;
588 ib->pitch = bpitch;
589 ib->msec = bmsec;
590 return (0);
591 case ITEIOCSBELL:
592 ib = (struct itebell *)addr;
593
594 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
595 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
596 return (EINVAL);
597 bvolume = ib->volume;
598 bpitch = ib->pitch;
599 bmsec = ib->msec;
600 return (0);
601 case ITEIOCSKMAP:
602 if (addr == 0)
603 return(EFAULT);
604 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
605 return(0);
606 case ITEIOCGKMAP:
607 if (addr == NULL)
608 return(EFAULT);
609 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
610 return(0);
611 case ITEIOCGREPT:
612 irp = (struct iterepeat *)addr;
613 irp->start = start_repeat_timeo;
614 irp->next = next_repeat_timeo;
615 return (0);
616 case ITEIOCSREPT:
617 irp = (struct iterepeat *)addr;
618 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
619 return(EINVAL);
620 start_repeat_timeo = irp->start;
621 next_repeat_timeo = irp->next;
622 return(0);
623 }
624 #if NGRFCC > 0
625 /* XXX */
626 if (minor(dev) == 0) {
627 error = ite_grf_ioctl(ip, cmd, addr, flag, l);
628 if (error >= 0)
629 return (error);
630 }
631 #endif
632 return (EPASSTHROUGH);
633 }
634
635 void
636 itestart(struct tty *tp)
637 {
638 struct clist *rbp;
639 struct ite_softc *ip;
640 u_char buf[ITEBURST];
641 int s, len;
642
643 ip = getitesp(tp->t_dev);
644
645 KDASSERT(tp);
646
647 s = spltty(); {
648 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
649 goto out;
650
651 tp->t_state |= TS_BUSY;
652 rbp = &tp->t_outq;
653
654 len = q_to_b(rbp, buf, ITEBURST);
655 } splx(s);
656
657 /* Here is a really good place to implement pre/jumpscroll() */
658 ite_putstr(buf, len, tp->t_dev);
659
660 s = spltty(); {
661 tp->t_state &= ~TS_BUSY;
662 /* we have characters remaining. */
663 if (ttypull(tp)) {
664 tp->t_state |= TS_TIMEOUT;
665 callout_schedule(&tp->t_rstrt_ch, 1);
666 }
667 }
668 out:
669 splx(s);
670 }
671
672 void
673 ite_on(dev_t dev, int flag)
674 {
675 struct ite_softc *ip;
676 int unit;
677
678 unit = ITEUNIT(dev);
679 ip = getitesp(dev);
680
681 /* force ite active, overriding graphics mode */
682 if (flag & 1) {
683 ip->flags |= ITE_ACTIVE;
684 ip->flags &= ~(ITE_INGRF | ITE_INITED);
685 }
686 /* leave graphics mode */
687 if (flag & 2) {
688 ip->flags &= ~ITE_INGRF;
689 if ((ip->flags & ITE_ACTIVE) == 0)
690 return;
691 }
692 ip->flags |= ITE_ACTIVE;
693 if (ip->flags & ITE_INGRF)
694 return;
695 iteinit(dev);
696 }
697
698 void
699 ite_off(dev_t dev, int flag)
700 {
701 struct ite_softc *ip;
702
703 ip = getitesp(dev);
704 if (flag & 2)
705 ip->flags |= ITE_INGRF;
706 if ((ip->flags & ITE_ACTIVE) == 0)
707 return;
708 if ((flag & 1) ||
709 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
710 SUBR_DEINIT(ip);
711 /* XXX hmm grfon() I think wants this to go inactive. */
712 if ((flag & 2) == 0)
713 ip->flags &= ~ITE_ACTIVE;
714 }
715
716 /* XXX called after changes made in underlying grf layer. */
717 /* I want to nuke this */
718 void
719 ite_reinit(dev_t dev)
720 {
721 struct ite_softc *ip;
722
723 ip = getitesp(dev);
724 ip->flags &= ~ITE_INITED;
725 iteinit(dev);
726 }
727
728 int
729 ite_param(struct tty *tp, struct termios *t)
730 {
731 tp->t_ispeed = t->c_ispeed;
732 tp->t_ospeed = t->c_ospeed;
733 tp->t_cflag = t->c_cflag;
734 return (0);
735 }
736
737 void
738 ite_reset(struct ite_softc *ip)
739 {
740 int i;
741
742 ip->curx = 0;
743 ip->cury = 0;
744 ip->attribute = ATTR_NOR;
745 ip->save_curx = 0;
746 ip->save_cury = 0;
747 ip->save_attribute = ATTR_NOR;
748 ip->ap = ip->argbuf;
749 ip->emul_level = 0;
750 ip->eightbit_C1 = 0;
751 ip->top_margin = 0;
752 ip->bottom_margin = ip->rows - 1;
753 ip->inside_margins = 0;
754 ip->linefeed_newline = 0;
755 ip->auto_wrap = ite_default_wrap;
756 ip->cursor_appmode = 0;
757 ip->keypad_appmode = 0;
758 ip->imode = 0;
759 ip->key_repeat = 1;
760 bzero(ip->tabs, ip->cols);
761 for (i = 0; i < ip->cols; i++)
762 ip->tabs[i] = ((i & 7) == 0);
763 }
764
765 /*
766 * has to be global because of the shared filters.
767 */
768 static u_char key_mod;
769 static u_char last_dead;
770
771 /* Used in console at startup only */
772 int
773 ite_cnfilter(u_char c, enum caller caller)
774 {
775 struct key key;
776 u_char code, up, mask;
777 int s, i;
778
779 up = c & 0x80 ? 1 : 0;
780 c &= 0x7f;
781 code = 0;
782
783 s = spltty();
784
785 i = (int)c - KBD_LEFT_SHIFT;
786 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
787 mask = 1 << i;
788 if (up)
789 key_mod &= ~mask;
790 else
791 key_mod |= mask;
792 splx(s);
793 return -1;
794 }
795
796 if (up) {
797 splx(s);
798 return -1;
799 }
800
801 /* translate modifiers */
802 if (key_mod & KBD_MOD_SHIFT) {
803 if (key_mod & KBD_MOD_ALT)
804 key = kbdmap.alt_shift_keys[c];
805 else
806 key = kbdmap.shift_keys[c];
807 } else if (key_mod & KBD_MOD_ALT)
808 key = kbdmap.alt_keys[c];
809 else {
810 key = kbdmap.keys[c];
811 /* if CAPS and key is CAPable (no pun intended) */
812 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
813 key = kbdmap.shift_keys[c];
814 }
815 code = key.code;
816
817 /* if string return */
818 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
819 splx(s);
820 return -1;
821 }
822 /* handle dead keys */
823 if (key.mode & KBD_MODE_DEAD) {
824 /* if entered twice, send accent itself */
825 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
826 last_dead = 0;
827 else {
828 last_dead = key.mode & KBD_MODE_ACCMASK;
829 splx(s);
830 return -1;
831 }
832 }
833 if (last_dead) {
834 /* can't apply dead flag to string-keys */
835 if (code >= '@' && code < 0x7f)
836 code =
837 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
838 last_dead = 0;
839 }
840 if (key_mod & KBD_MOD_CTRL)
841 code &= 0x1f;
842 if (key_mod & KBD_MOD_META)
843 code |= 0x80;
844
845 /* do console mapping. */
846 code = code == '\r' ? '\n' : code;
847
848 splx(s);
849 return (code);
850 }
851
852 /* And now the old stuff. */
853
854 /* these are used to implement repeating keys.. */
855 static u_char last_char;
856 static u_char tout_pending;
857
858 /*ARGSUSED*/
859 static void
860 repeat_handler(void *arg)
861 {
862 tout_pending = 0;
863 if (last_char)
864 ite_filter(last_char, ITEFILT_REPEATER);
865 }
866
867 void
868 ite_filter(u_char c, enum caller caller)
869 {
870 struct tty *kbd_tty;
871 u_char code, *str, up, mask;
872 struct key key;
873 int s, i;
874
875 if (kbd_ite == NULL || kbd_ite->tp == NULL)
876 return;
877
878 kbd_tty = kbd_ite->tp;
879
880 /* have to make sure we're at spltty in here */
881 s = spltty();
882
883 /*
884 * keyboard interrupts come at priority 2, while softint
885 * generated keyboard-repeat interrupts come at level 1. So,
886 * to not allow a key-up event to get thru before a repeat for
887 * the key-down, we remove any outstanding callout requests..
888 rem_sicallback(ite_sifilter);
889 */
890
891 up = c & 0x80 ? 1 : 0;
892 c &= 0x7f;
893 code = 0;
894
895 i = (int)c - KBD_LEFT_SHIFT;
896 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
897 mask = 1 << i;
898 if (up)
899 key_mod &= ~mask;
900 else
901 key_mod |= mask;
902 splx(s);
903 return;
904 }
905 /* stop repeating on up event */
906 if (up) {
907 if (tout_pending) {
908 callout_stop(&repeat_ch);
909 tout_pending = 0;
910 last_char = 0;
911 }
912 splx(s);
913 return;
914 } else if (tout_pending && last_char != c) {
915 /* different character, stop also */
916 callout_stop(&repeat_ch);
917 tout_pending = 0;
918 last_char = 0;
919 }
920 /* Safety button, switch back to ascii keymap. */
921 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
922 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
923
924 splx(s);
925 return;
926 #ifdef DDB
927 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
928 Debugger();
929 splx(s);
930 return;
931 #endif
932 }
933 /* translate modifiers */
934 if (key_mod & KBD_MOD_SHIFT) {
935 if (key_mod & KBD_MOD_ALT)
936 key = kbdmap.alt_shift_keys[c];
937 else
938 key = kbdmap.shift_keys[c];
939 } else if (key_mod & KBD_MOD_ALT)
940 key = kbdmap.alt_keys[c];
941 else {
942 key = kbdmap.keys[c];
943 /* if CAPS and key is CAPable (no pun intended) */
944 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
945 key = kbdmap.shift_keys[c];
946 }
947 code = key.code;
948
949 /*
950 * arrange to repeat the keystroke. By doing this at the level
951 * of scan-codes, we can have function keys, and keys that
952 * send strings, repeat too. This also entitles an additional
953 * overhead, since we have to do the conversion each time, but
954 * I guess that's ok.
955 */
956 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
957 tout_pending = 1;
958 last_char = c;
959 callout_reset(&repeat_ch,
960 start_repeat_timeo * hz / 100, repeat_handler, NULL);
961 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
962 kbd_ite->key_repeat) {
963 tout_pending = 1;
964 last_char = c;
965 callout_reset(&repeat_ch,
966 next_repeat_timeo * hz / 100, repeat_handler, NULL);
967 }
968 /* handle dead keys */
969 if (key.mode & KBD_MODE_DEAD) {
970 /* if entered twice, send accent itself */
971 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
972 last_dead = 0;
973 else {
974 last_dead = key.mode & KBD_MODE_ACCMASK;
975 splx(s);
976 return;
977 }
978 }
979 if (last_dead) {
980 /* can't apply dead flag to string-keys */
981 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
982 code < 0x7f)
983 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
984 last_dead = 0;
985 }
986 /* if not string, apply META and CTRL modifiers */
987 if (!(key.mode & KBD_MODE_STRING)
988 && (!(key.mode & KBD_MODE_KPAD) ||
989 (kbd_ite && !kbd_ite->keypad_appmode))) {
990 if (key_mod & KBD_MOD_CTRL)
991 code &= 0x1f;
992 if (key_mod & KBD_MOD_META)
993 code |= 0x80;
994 } else if ((key.mode & KBD_MODE_KPAD) &&
995 (kbd_ite && kbd_ite->keypad_appmode)) {
996 static char in[] = {
997 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
998 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
999 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
1000 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
1001 0x5c /* / */, 0x5d /* * */
1002 };
1003 static const char *out = "pqrstuvwxymlnMPQRS";
1004 char *cp = strchr(in, c);
1005
1006 /*
1007 * keypad-appmode sends SS3 followed by the above
1008 * translated character
1009 */
1010 kbd_tty->t_linesw->l_rint(27, kbd_tty);
1011 kbd_tty->t_linesw->l_rint('O', kbd_tty);
1012 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
1013 splx(s);
1014 return;
1015 } else {
1016 /* *NO* I don't like this.... */
1017 static u_char app_cursor[] =
1018 {
1019 3, 27, 'O', 'A',
1020 3, 27, 'O', 'B',
1021 3, 27, 'O', 'C',
1022 3, 27, 'O', 'D'};
1023
1024 str = kbdmap.strings + code;
1025 /*
1026 * if this is a cursor key, AND it has the default
1027 * keymap setting, AND we're in app-cursor mode, switch
1028 * to the above table. This is *nasty* !
1029 */
1030 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
1031 && !bcmp(str, "\x03\x1b[", 3) &&
1032 strchr("ABCD", str[3]))
1033 str = app_cursor + 4 * (str[3] - 'A');
1034
1035 /*
1036 * using a length-byte instead of 0-termination allows
1037 * to embed \0 into strings, although this is not used
1038 * in the default keymap
1039 */
1040 for (i = *str++; i; i--)
1041 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1042 splx(s);
1043 return;
1044 }
1045 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1046
1047 splx(s);
1048 return;
1049 }
1050
1051 /* helper functions, makes the code below more readable */
1052 inline static void
1053 ite_sendstr(const char *str)
1054 {
1055 struct tty *kbd_tty;
1056
1057 kbd_tty = kbd_ite->tp;
1058 KDASSERT(kbd_tty);
1059 while (*str)
1060 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1061 }
1062
1063 static void
1064 alignment_display(struct ite_softc *ip)
1065 {
1066 int i, j;
1067
1068 for (j = 0; j < ip->rows; j++)
1069 for (i = 0; i < ip->cols; i++)
1070 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1071 attrclr(ip, 0, 0, ip->rows, ip->cols);
1072 SUBR_CURSOR(ip, DRAW_CURSOR);
1073 }
1074
1075 inline static void
1076 snap_cury(struct ite_softc *ip)
1077 {
1078 if (ip->inside_margins)
1079 {
1080 if (ip->cury < ip->top_margin)
1081 ip->cury = ip->top_margin;
1082 if (ip->cury > ip->bottom_margin)
1083 ip->cury = ip->bottom_margin;
1084 }
1085 }
1086
1087 inline static void
1088 ite_dnchar(struct ite_softc *ip, int n)
1089 {
1090 n = min(n, ip->cols - ip->curx);
1091 if (n < ip->cols - ip->curx)
1092 {
1093 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1094 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1095 1, ip->cols - ip->curx - n);
1096 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1097 }
1098 while (n-- > 0)
1099 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1100 SUBR_CURSOR(ip, DRAW_CURSOR);
1101 }
1102
1103 inline static void
1104 ite_inchar(struct ite_softc *ip, int n)
1105 {
1106 n = min(n, ip->cols - ip->curx);
1107 if (n < ip->cols - ip->curx)
1108 {
1109 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1110 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1111 1, ip->cols - ip->curx - n);
1112 attrclr(ip, ip->cury, ip->curx, 1, n);
1113 }
1114 while (n--)
1115 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1116 SUBR_CURSOR(ip, DRAW_CURSOR);
1117 }
1118
1119 inline static void
1120 ite_clrtoeol(struct ite_softc *ip)
1121 {
1122 int y = ip->cury, x = ip->curx;
1123 if (ip->cols - x > 0)
1124 {
1125 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1126 attrclr(ip, y, x, 1, ip->cols - x);
1127 SUBR_CURSOR(ip, DRAW_CURSOR);
1128 }
1129 }
1130
1131 inline static void
1132 ite_clrtobol(struct ite_softc *ip)
1133 {
1134 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1135 SUBR_CLEAR(ip, y, 0, 1, x);
1136 attrclr(ip, y, 0, 1, x);
1137 SUBR_CURSOR(ip, DRAW_CURSOR);
1138 }
1139
1140 inline static void
1141 ite_clrline(struct ite_softc *ip)
1142 {
1143 int y = ip->cury;
1144 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1145 attrclr(ip, y, 0, 1, ip->cols);
1146 SUBR_CURSOR(ip, DRAW_CURSOR);
1147 }
1148
1149
1150
1151 inline static void
1152 ite_clrtoeos(struct ite_softc *ip)
1153 {
1154 ite_clrtoeol(ip);
1155 if (ip->cury < ip->rows - 1)
1156 {
1157 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1158 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1159 SUBR_CURSOR(ip, DRAW_CURSOR);
1160 }
1161 }
1162
1163 inline static void
1164 ite_clrtobos(struct ite_softc *ip)
1165 {
1166 ite_clrtobol(ip);
1167 if (ip->cury > 0)
1168 {
1169 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1170 attrclr(ip, 0, 0, ip->cury, ip->cols);
1171 SUBR_CURSOR(ip, DRAW_CURSOR);
1172 }
1173 }
1174
1175 inline static void
1176 ite_clrscreen(struct ite_softc *ip)
1177 {
1178 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1179 attrclr(ip, 0, 0, ip->rows, ip->cols);
1180 SUBR_CURSOR(ip, DRAW_CURSOR);
1181 }
1182
1183
1184
1185 inline static void
1186 ite_dnline(struct ite_softc *ip, int n)
1187 {
1188 /* interesting.. if the cursor is outside the scrolling
1189 region, this command is simply ignored.. */
1190 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1191 return;
1192
1193 n = min(n, ip->bottom_margin + 1 - ip->cury);
1194 if (n <= ip->bottom_margin - ip->cury)
1195 {
1196 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1197 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1198 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1199 }
1200 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1201 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1202 SUBR_CURSOR(ip, DRAW_CURSOR);
1203 }
1204
1205 inline static void
1206 ite_inline(struct ite_softc *ip, int n)
1207 {
1208 /* interesting.. if the cursor is outside the scrolling
1209 region, this command is simply ignored.. */
1210 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1211 return;
1212
1213 n = min(n, ip->bottom_margin + 1 - ip->cury);
1214 if (n <= ip->bottom_margin - ip->cury)
1215 {
1216 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1217 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1218 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1219 }
1220 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1221 attrclr(ip, ip->cury, 0, n, ip->cols);
1222 SUBR_CURSOR(ip, DRAW_CURSOR);
1223 }
1224
1225 inline static void
1226 ite_lf(struct ite_softc *ip)
1227 {
1228 ++ip->cury;
1229 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1230 {
1231 ip->cury--;
1232 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1233 ite_clrline(ip);
1234 }
1235 SUBR_CURSOR(ip, MOVE_CURSOR);
1236 clr_attr(ip, ATTR_INV);
1237 }
1238
1239 inline static void
1240 ite_crlf(struct ite_softc *ip)
1241 {
1242 ip->curx = 0;
1243 ite_lf (ip);
1244 }
1245
1246 inline static void
1247 ite_cr(struct ite_softc *ip)
1248 {
1249 if (ip->curx)
1250 {
1251 ip->curx = 0;
1252 SUBR_CURSOR(ip, MOVE_CURSOR);
1253 }
1254 }
1255
1256 inline static void
1257 ite_rlf(struct ite_softc *ip)
1258 {
1259 ip->cury--;
1260 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1261 {
1262 ip->cury++;
1263 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1264 ite_clrline(ip);
1265 }
1266 SUBR_CURSOR(ip, MOVE_CURSOR);
1267 clr_attr(ip, ATTR_INV);
1268 }
1269
1270 inline static int
1271 atoi(const char *cp)
1272 {
1273 int n;
1274
1275 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1276 n = n * 10 + *cp - '0';
1277
1278 return n;
1279 }
1280
1281 inline static int
1282 ite_argnum(struct ite_softc *ip)
1283 {
1284 char ch;
1285 int n;
1286
1287 /* convert argument string into number */
1288 if (ip->ap == ip->argbuf)
1289 return 1;
1290 ch = *ip->ap;
1291 *ip->ap = 0;
1292 n = atoi (ip->argbuf);
1293 *ip->ap = ch;
1294
1295 return n;
1296 }
1297
1298 inline static int
1299 ite_zargnum(struct ite_softc *ip)
1300 {
1301 char ch;
1302 int n;
1303
1304 /* convert argument string into number */
1305 if (ip->ap == ip->argbuf)
1306 return 0;
1307 ch = *ip->ap;
1308 *ip->ap = 0;
1309 n = atoi (ip->argbuf);
1310 *ip->ap = ch;
1311
1312 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1313 }
1314
1315 void
1316 ite_putstr(const char *s, int len, dev_t dev)
1317 {
1318 struct ite_softc *ip;
1319 int i;
1320
1321 ip = getitesp(dev);
1322
1323 /* XXX avoid problems */
1324 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1325 return;
1326
1327 SUBR_CURSOR(ip, START_CURSOROPT);
1328 for (i = 0; i < len; i++)
1329 if (s[i])
1330 iteputchar(s[i], ip);
1331 SUBR_CURSOR(ip, END_CURSOROPT);
1332 }
1333
1334 static void
1335 iteprecheckwrap(struct ite_softc *ip)
1336 {
1337 if (ip->auto_wrap && ip->curx == ip->cols) {
1338 ip->curx = 0;
1339 clr_attr(ip, ATTR_INV);
1340 if (++ip->cury >= ip->bottom_margin + 1) {
1341 ip->cury = ip->bottom_margin;
1342 SUBR_CURSOR(ip, MOVE_CURSOR);
1343 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1344 ite_clrtoeol(ip);
1345 } else
1346 SUBR_CURSOR(ip, MOVE_CURSOR);
1347 }
1348 }
1349
1350 static void
1351 itecheckwrap(struct ite_softc *ip)
1352 {
1353 #if 0
1354 if (++ip->curx == ip->cols) {
1355 if (ip->auto_wrap) {
1356 ip->curx = 0;
1357 clr_attr(ip, ATTR_INV);
1358 if (++ip->cury >= ip->bottom_margin + 1) {
1359 ip->cury = ip->bottom_margin;
1360 SUBR_CURSOR(ip, MOVE_CURSOR);
1361 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1362 ite_clrtoeol(ip);
1363 return;
1364 }
1365 } else
1366 /* stay there if no autowrap.. */
1367 ip->curx--;
1368 }
1369 #else
1370 if (ip->curx < ip->cols) {
1371 ip->curx++;
1372 SUBR_CURSOR(ip, MOVE_CURSOR);
1373 }
1374 #endif
1375 }
1376
1377 void
1378 iteputchar(register int c, struct ite_softc *ip)
1379 {
1380 struct tty *kbd_tty;
1381 int n, x, y;
1382 char *cp;
1383
1384 if (kbd_ite == NULL)
1385 kbd_tty = NULL;
1386 else
1387 kbd_tty = kbd_ite->tp;
1388
1389 if (ip->escape) {
1390 switch (ip->escape) {
1391 case ESC:
1392 switch (c) {
1393 /*
1394 * first 7bit equivalents for the
1395 * 8bit control characters
1396 */
1397 case 'D':
1398 c = IND;
1399 ip->escape = 0;
1400 break;
1401 /*
1402 * and fall into the next
1403 * switch below (same for all `break')
1404 */
1405 case 'E':
1406 c = NEL;
1407 ip->escape = 0;
1408 break;
1409 case 'H':
1410 c = HTS;
1411 ip->escape = 0;
1412 break;
1413 case 'M':
1414 c = RI;
1415 ip->escape = 0;
1416 break;
1417 case 'N':
1418 c = SS2;
1419 ip->escape = 0;
1420 break;
1421 case 'O':
1422 c = SS3;
1423 ip->escape = 0;
1424 break;
1425 case 'P':
1426 c = DCS;
1427 ip->escape = 0;
1428 break;
1429 case '[':
1430 c = CSI;
1431 ip->escape = 0;
1432 break;
1433 case '\\':
1434 c = ST;
1435 ip->escape = 0;
1436 break;
1437 case ']':
1438 c = OSC;
1439 ip->escape = 0;
1440 break;
1441 case '^':
1442 c = PM;
1443 ip->escape = 0;
1444 break;
1445 case '_':
1446 c = APC;
1447 ip->escape = 0;
1448 break;
1449 /* introduces 7/8bit control */
1450 case ' ':
1451 /* can be followed by either F or G */
1452 ip->escape = ' ';
1453 break;
1454 /*
1455 * a lot of character set selections, not yet
1456 * used... 94-character sets:
1457 */
1458 case '(': /* G0 */
1459 case ')': /* G1 */
1460 ip->escape = c;
1461 return;
1462 case '*': /* G2 */
1463 case '+': /* G3 */
1464 case 'B': /* ASCII */
1465 case 'A': /* ISO latin 1 */
1466 case '<': /* user preferred suplemental */
1467 case '0': /* dec special graphics */
1468 /*
1469 * 96-character sets:
1470 */
1471 case '-': /* G1 */
1472 case '.': /* G2 */
1473 case '/': /* G3 */
1474 /*
1475 * national character sets:
1476 */
1477 case '4': /* dutch */
1478 case '5':
1479 case 'C': /* finnish */
1480 case 'R': /* french */
1481 case 'Q': /* french canadian */
1482 case 'K': /* german */
1483 case 'Y': /* italian */
1484 case '6': /* norwegian/danish */
1485 /*
1486 * note: %5 and %6 are not supported (two
1487 * chars..)
1488 */
1489 ip->escape = 0;
1490 /* just ignore for now */
1491 return;
1492 /*
1493 * locking shift modes (as you might guess, not
1494 * yet supported..)
1495 */
1496 case '`':
1497 ip->GR = ip->G1;
1498 ip->escape = 0;
1499 return;
1500 case 'n':
1501 ip->GL = ip->G2;
1502 ip->escape = 0;
1503 return;
1504 case '}':
1505 ip->GR = ip->G2;
1506 ip->escape = 0;
1507 return;
1508 case 'o':
1509 ip->GL = ip->G3;
1510 ip->escape = 0;
1511 return;
1512 case '|':
1513 ip->GR = ip->G3;
1514 ip->escape = 0;
1515 return;
1516 case '#':
1517 /* font width/height control */
1518 ip->escape = '#';
1519 return;
1520 case 'c':
1521 /* hard terminal reset .. */
1522 ite_reset(ip);
1523 SUBR_CURSOR(ip, MOVE_CURSOR);
1524 ip->escape = 0;
1525 return;
1526 case '7':
1527 ip->save_curx = ip->curx;
1528 ip->save_cury = ip->cury;
1529 ip->save_attribute = ip->attribute;
1530 ip->escape = 0;
1531 return;
1532 case '8':
1533 ip->curx = ip->save_curx;
1534 ip->cury = ip->save_cury;
1535 ip->attribute = ip->save_attribute;
1536 SUBR_CURSOR(ip, MOVE_CURSOR);
1537 ip->escape = 0;
1538 return;
1539 case '=':
1540 ip->keypad_appmode = 1;
1541 ip->escape = 0;
1542 return;
1543 case '>':
1544 ip->keypad_appmode = 0;
1545 ip->escape = 0;
1546 return;
1547 case 'Z': /* request ID */
1548 /* XXX not clean */
1549 if (ip->emul_level == EMUL_VT100)
1550 ite_sendstr("\033[?61;0c");
1551 else
1552 ite_sendstr("\033[?63;0c");
1553 ip->escape = 0;
1554 return;
1555 default:
1556 /*
1557 * default catch all for not recognized ESC
1558 * sequences
1559 */
1560 ip->escape = 0;
1561 return;
1562 }
1563 break;
1564 case '(':
1565 case ')':
1566 ip->escape = 0;
1567 return;
1568 case ' ':
1569 switch (c) {
1570 case 'F':
1571 ip->eightbit_C1 = 0;
1572 ip->escape = 0;
1573 return;
1574 case 'G':
1575 ip->eightbit_C1 = 1;
1576 ip->escape = 0;
1577 return;
1578 default:
1579 /* not supported */
1580 ip->escape = 0;
1581 return;
1582 }
1583 break;
1584 case '#':
1585 switch (c) {
1586 case '5':
1587 /* single height, single width */
1588 ip->escape = 0;
1589 return;
1590 case '6':
1591 /* double width, single height */
1592 ip->escape = 0;
1593 return;
1594 case '3':
1595 /* top half */
1596 ip->escape = 0;
1597 return;
1598 case '4':
1599 /* bottom half */
1600 ip->escape = 0;
1601 return;
1602 case '8':
1603 /* screen alignment pattern... */
1604 alignment_display(ip);
1605 ip->escape = 0;
1606 return;
1607 default:
1608 ip->escape = 0;
1609 return;
1610 }
1611 break;
1612 case CSI:
1613 /* the biggie... */
1614 switch (c) {
1615 case '0':
1616 case '1':
1617 case '2':
1618 case '3':
1619 case '4':
1620 case '5':
1621 case '6':
1622 case '7':
1623 case '8':
1624 case '9':
1625 case ';':
1626 case '\"':
1627 case '$':
1628 case '>':
1629 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1630 *ip->ap++ = c;
1631 return;
1632 case BS:
1633 /*
1634 * you wouldn't believe such perversion is
1635 * possible? it is.. BS is allowed in between
1636 * cursor sequences (at least), according to
1637 * vttest..
1638 */
1639 if (--ip->curx < 0)
1640 ip->curx = 0;
1641 else
1642 SUBR_CURSOR(ip, MOVE_CURSOR);
1643 break;
1644 case 'p':
1645 *ip->ap = 0;
1646 if (!strncmp(ip->argbuf, "61\"", 3))
1647 ip->emul_level = EMUL_VT100;
1648 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1649 || !strncmp(ip->argbuf, "62;1\"", 5))
1650 ip->emul_level = EMUL_VT300_7;
1651 else
1652 ip->emul_level = EMUL_VT300_8;
1653 ip->escape = 0;
1654 return;
1655 case '?':
1656 *ip->ap = 0;
1657 ip->escape = '?';
1658 ip->ap = ip->argbuf;
1659 return;
1660 case 'c':
1661 *ip->ap = 0;
1662 if (ip->argbuf[0] == '>') {
1663 ite_sendstr("\033[>24;0;0;0c");
1664 } else
1665 switch (ite_zargnum(ip)) {
1666 case 0:
1667 /*
1668 * primary DA request, send
1669 * primary DA response
1670 */
1671 if (ip->emul_level
1672 == EMUL_VT100)
1673 ite_sendstr(
1674 "\033[?1;1c");
1675 else
1676 ite_sendstr(
1677 "\033[?63;1c");
1678 break;
1679 }
1680 ip->escape = 0;
1681 return;
1682 case 'n':
1683 switch (ite_zargnum(ip)) {
1684 case 5:
1685 /* no malfunction */
1686 ite_sendstr("\033[0n");
1687 break;
1688 case 6:
1689 /* cursor position report */
1690 sprintf(ip->argbuf, "\033[%d;%dR",
1691 ip->cury + 1, ip->curx + 1);
1692 ite_sendstr(ip->argbuf);
1693 break;
1694 }
1695 ip->escape = 0;
1696 return;
1697 case 'x':
1698 switch (ite_zargnum(ip)) {
1699 case 0:
1700 /* Fake some terminal parameters. */
1701 ite_sendstr("\033[2;1;1;112;112;1;0x");
1702 break;
1703 case 1:
1704 ite_sendstr("\033[3;1;1;112;112;1;0x");
1705 break;
1706 }
1707 ip->escape = 0;
1708 return;
1709 case 'g':
1710 switch (ite_zargnum(ip)) {
1711 case 0:
1712 if (ip->curx < ip->cols)
1713 ip->tabs[ip->curx] = 0;
1714 break;
1715 case 3:
1716 for (n = 0; n < ip->cols; n++)
1717 ip->tabs[n] = 0;
1718 break;
1719 }
1720 ip->escape = 0;
1721 return;
1722 case 'h':
1723 case 'l':
1724 n = ite_zargnum(ip);
1725 switch (n) {
1726 case 4:
1727 /* insert/replace mode */
1728 ip->imode = (c == 'h');
1729 break;
1730 case 20:
1731 ip->linefeed_newline = (c == 'h');
1732 break;
1733 }
1734 ip->escape = 0;
1735 return;
1736 case 'M':
1737 ite_dnline(ip, ite_argnum(ip));
1738 ip->escape = 0;
1739 return;
1740 case 'L':
1741 ite_inline(ip, ite_argnum(ip));
1742 ip->escape = 0;
1743 return;
1744 case 'P':
1745 ite_dnchar(ip, ite_argnum(ip));
1746 ip->escape = 0;
1747 return;
1748 case '@':
1749 ite_inchar(ip, ite_argnum(ip));
1750 ip->escape = 0;
1751 return;
1752 case 'G':
1753 /*
1754 * this one was *not* in my vt320 manual but in
1755 * a vt320 termcap entry.. who is right? It's
1756 * supposed to set the horizontal cursor
1757 * position.
1758 */
1759 *ip->ap = 0;
1760 x = atoi(ip->argbuf);
1761 if (x)
1762 x--;
1763 ip->curx = min(x, ip->cols - 1);
1764 ip->escape = 0;
1765 SUBR_CURSOR(ip, MOVE_CURSOR);
1766 clr_attr(ip, ATTR_INV);
1767 return;
1768 case 'd':
1769 /*
1770 * same thing here, this one's for setting the
1771 * absolute vertical cursor position. Not
1772 * documented...
1773 */
1774 *ip->ap = 0;
1775 y = atoi(ip->argbuf);
1776 if (y)
1777 y--;
1778 if (ip->inside_margins)
1779 y += ip->top_margin;
1780 ip->cury = min(y, ip->rows - 1);
1781 ip->escape = 0;
1782 snap_cury(ip);
1783 SUBR_CURSOR(ip, MOVE_CURSOR);
1784 clr_attr(ip, ATTR_INV);
1785 return;
1786 case 'H':
1787 case 'f':
1788 *ip->ap = 0;
1789 y = atoi(ip->argbuf);
1790 x = 0;
1791 cp = strchr(ip->argbuf, ';');
1792 if (cp)
1793 x = atoi(cp + 1);
1794 if (x)
1795 x--;
1796 if (y)
1797 y--;
1798 if (ip->inside_margins)
1799 y += ip->top_margin;
1800 ip->cury = min(y, ip->rows - 1);
1801 ip->curx = min(x, ip->cols - 1);
1802 ip->escape = 0;
1803 snap_cury(ip);
1804 SUBR_CURSOR(ip, MOVE_CURSOR);
1805 clr_attr(ip, ATTR_INV);
1806 return;
1807 case 'A':
1808 n = ite_argnum(ip);
1809 n = ip->cury - (n ? n : 1);
1810 if (n < 0)
1811 n = 0;
1812 if (ip->inside_margins)
1813 n = max(ip->top_margin, n);
1814 else if (n == ip->top_margin - 1)
1815 /*
1816 * allow scrolling outside region, but
1817 * don't scroll out of active region
1818 * without explicit CUP
1819 */
1820 n = ip->top_margin;
1821 ip->cury = n;
1822 ip->escape = 0;
1823 SUBR_CURSOR(ip, MOVE_CURSOR);
1824 clr_attr(ip, ATTR_INV);
1825 return;
1826 case 'B':
1827 n = ite_argnum(ip);
1828 n = ip->cury + (n ? n : 1);
1829 n = min(ip->rows - 1, n);
1830 if (ip->inside_margins)
1831 n = min(ip->bottom_margin, n);
1832 else if (n == ip->bottom_margin + 1)
1833 /*
1834 * allow scrolling outside region, but
1835 * don't scroll out of active region
1836 * without explicit CUP
1837 */
1838 n = ip->bottom_margin;
1839 ip->cury = n;
1840 ip->escape = 0;
1841 SUBR_CURSOR(ip, MOVE_CURSOR);
1842 clr_attr(ip, ATTR_INV);
1843 return;
1844 case 'C':
1845 n = ite_argnum(ip);
1846 n = n ? n : 1;
1847 ip->curx = min(ip->curx + n, ip->cols - 1);
1848 ip->escape = 0;
1849 SUBR_CURSOR(ip, MOVE_CURSOR);
1850 clr_attr(ip, ATTR_INV);
1851 return;
1852 case 'D':
1853 n = ite_argnum(ip);
1854 n = n ? n : 1;
1855 n = ip->curx - n;
1856 ip->curx = n >= 0 ? n : 0;
1857 ip->escape = 0;
1858 SUBR_CURSOR(ip, MOVE_CURSOR);
1859 clr_attr(ip, ATTR_INV);
1860 return;
1861 case 'J':
1862 *ip->ap = 0;
1863 n = ite_zargnum(ip);
1864 if (n == 0)
1865 ite_clrtoeos(ip);
1866 else if (n == 1)
1867 ite_clrtobos(ip);
1868 else if (n == 2)
1869 ite_clrscreen(ip);
1870 ip->escape = 0;
1871 return;
1872 case 'K':
1873 n = ite_zargnum(ip);
1874 if (n == 0)
1875 ite_clrtoeol(ip);
1876 else if (n == 1)
1877 ite_clrtobol(ip);
1878 else if (n == 2)
1879 ite_clrline(ip);
1880 ip->escape = 0;
1881 return;
1882 case 'X':
1883 n = ite_argnum(ip) - 1;
1884 n = min(n, ip->cols - 1 - ip->curx);
1885 for (; n >= 0; n--) {
1886 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1887 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1888 }
1889 ip->escape = 0;
1890 return;
1891 case '}':
1892 case '`':
1893 /* status line control */
1894 ip->escape = 0;
1895 return;
1896 case 'r':
1897 *ip->ap = 0;
1898 x = atoi(ip->argbuf);
1899 x = x ? x : 1;
1900 y = ip->rows;
1901 cp = strchr(ip->argbuf, ';');
1902 if (cp) {
1903 y = atoi(cp + 1);
1904 y = y ? y : ip->rows;
1905 }
1906 if (y - x < 2) {
1907 /*
1908 * if illegal scrolling region, reset
1909 * to defaults
1910 */
1911 x = 1;
1912 y = ip->rows;
1913 }
1914 x--;
1915 y--;
1916 ip->top_margin = min(x, ip->rows - 1);
1917 ip->bottom_margin = min(y, ip->rows - 1);
1918 if (ip->inside_margins) {
1919 ip->cury = ip->top_margin;
1920 ip->curx = 0;
1921 SUBR_CURSOR(ip, MOVE_CURSOR);
1922 }
1923 ip->escape = 0;
1924 return;
1925 case 'm':
1926 /* big attribute setter/resetter */
1927 { char *_cp;
1928 *ip->ap = 0;
1929 /* kludge to make CSIm work (== CSI0m) */
1930 if (ip->ap == ip->argbuf)
1931 ip->ap++;
1932 for (_cp = ip->argbuf; _cp < ip->ap;) {
1933 switch (*_cp) {
1934 case 0:
1935 case '0':
1936 clr_attr(ip, ATTR_ALL);
1937 _cp++;
1938 break;
1939
1940 case '1':
1941 set_attr(ip, ATTR_BOLD);
1942 _cp++;
1943 break;
1944
1945 case '2':
1946 switch (_cp[1]) {
1947 case '2':
1948 clr_attr(ip, ATTR_BOLD);
1949 _cp += 2;
1950 break;
1951
1952 case '4':
1953 clr_attr(ip, ATTR_UL);
1954 _cp += 2;
1955 break;
1956
1957 case '5':
1958 clr_attr(ip, ATTR_BLINK);
1959 _cp += 2;
1960 break;
1961
1962 case '7':
1963 clr_attr(ip, ATTR_INV);
1964 _cp += 2;
1965 break;
1966
1967 default:
1968 _cp++;
1969 break;
1970 }
1971 break;
1972
1973 case '4':
1974 set_attr(ip, ATTR_UL);
1975 _cp++;
1976 break;
1977
1978 case '5':
1979 set_attr(ip, ATTR_BLINK);
1980 _cp++;
1981 break;
1982
1983 case '7':
1984 set_attr(ip, ATTR_INV);
1985 _cp++;
1986 break;
1987
1988 default:
1989 _cp++;
1990 break;
1991 }
1992 }
1993 ip->escape = 0;
1994 return; }
1995 case 'u':
1996 /* DECRQTSR */
1997 ite_sendstr("\033P\033\\");
1998 ip->escape = 0;
1999 return;
2000 default:
2001 ip->escape = 0;
2002 return;
2003 }
2004 break;
2005 case '?': /* CSI ? */
2006 switch (c) {
2007 case '0':
2008 case '1':
2009 case '2':
2010 case '3':
2011 case '4':
2012 case '5':
2013 case '6':
2014 case '7':
2015 case '8':
2016 case '9':
2017 case ';':
2018 case '\"':
2019 case '$':
2020 /*
2021 * Don't fill the last character;
2022 * it's needed.
2023 * XXX yeah, where ??
2024 */
2025 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2026 *ip->ap++ = c;
2027 return;
2028 case 'n':
2029 *ip->ap = 0;
2030 if (ip->ap == &ip->argbuf[2]) {
2031 if (!strncmp(ip->argbuf, "15", 2))
2032 /* printer status: no printer */
2033 ite_sendstr("\033[13n");
2034
2035 else if (!strncmp(ip->argbuf, "25", 2))
2036 /* udk status */
2037 ite_sendstr("\033[20n");
2038
2039 else if (!strncmp(ip->argbuf, "26", 2))
2040 /* keyboard dialect: US */
2041 ite_sendstr("\033[27;1n");
2042 }
2043 ip->escape = 0;
2044 return;
2045 case 'h':
2046 case 'l':
2047 n = ite_zargnum(ip);
2048 switch (n) {
2049 case 1:
2050 ip->cursor_appmode = (c == 'h');
2051 break;
2052 case 3:
2053 /* 132/80 columns (132 == 'h') */
2054 break;
2055 case 4: /* smooth scroll */
2056 break;
2057 case 5:
2058 /*
2059 * light background (=='h') /dark
2060 * background(=='l')
2061 */
2062 break;
2063 case 6: /* origin mode */
2064 ip->inside_margins = (c == 'h');
2065 ip->curx = 0;
2066 ip->cury = ip->inside_margins ?
2067 ip->top_margin : 0;
2068 SUBR_CURSOR(ip, MOVE_CURSOR);
2069 break;
2070 case 7: /* auto wraparound */
2071 ip->auto_wrap = (c == 'h');
2072 break;
2073 case 8: /* keyboard repeat */
2074 ip->key_repeat = (c == 'h');
2075 break;
2076 case 20: /* newline mode */
2077 ip->linefeed_newline = (c == 'h');
2078 break;
2079 case 25: /* cursor on/off */
2080 SUBR_CURSOR(ip, (c == 'h') ?
2081 DRAW_CURSOR : ERASE_CURSOR);
2082 break;
2083 }
2084 ip->escape = 0;
2085 return;
2086 default:
2087 ip->escape = 0;
2088 return;
2089 }
2090 break;
2091 default:
2092 ip->escape = 0;
2093 return;
2094 }
2095 }
2096 switch (c) {
2097 case VT: /* VT is treated like LF */
2098 case FF: /* so is FF */
2099 case LF:
2100 /*
2101 * cr->crlf distinction is done here, on output, not on input!
2102 */
2103 if (ip->linefeed_newline)
2104 ite_crlf(ip);
2105 else
2106 ite_lf(ip);
2107 break;
2108 case CR:
2109 ite_cr(ip);
2110 break;
2111 case BS:
2112 if (--ip->curx < 0)
2113 ip->curx = 0;
2114 else
2115 SUBR_CURSOR(ip, MOVE_CURSOR);
2116 break;
2117 case HT:
2118 for (n = ip->curx + 1; n < ip->cols; n++) {
2119 if (ip->tabs[n]) {
2120 ip->curx = n;
2121 SUBR_CURSOR(ip, MOVE_CURSOR);
2122 break;
2123 }
2124 }
2125 break;
2126 case BEL:
2127 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty
2128 #ifdef DRACO
2129 && !is_draco()
2130 #endif
2131 )
2132 ite_bell();
2133 break;
2134 case SO:
2135 ip->GL = ip->G1;
2136 break;
2137 case SI:
2138 ip->GL = ip->G0;
2139 break;
2140 case ENQ:
2141 /* send answer-back message !! */
2142 break;
2143 case CAN:
2144 ip->escape = 0; /* cancel any escape sequence in progress */
2145 break;
2146 case SUB:
2147 ip->escape = 0; /* dito, but see below */
2148 /* should also display a reverse question mark!! */
2149 break;
2150 case ESC:
2151 ip->escape = ESC;
2152 break;
2153 /*
2154 * now it gets weird.. 8bit control sequences..
2155 */
2156 case IND:
2157 /* index: move cursor down, scroll */
2158 ite_lf(ip);
2159 break;
2160 case NEL:
2161 /* next line. next line, first pos. */
2162 ite_crlf(ip);
2163 break;
2164 case HTS:
2165 /* set horizontal tab */
2166 if (ip->curx < ip->cols)
2167 ip->tabs[ip->curx] = 1;
2168 break;
2169 case RI:
2170 /* reverse index */
2171 ite_rlf(ip);
2172 break;
2173 case SS2:
2174 /* go into G2 for one character */
2175 /* not yet supported */
2176 break;
2177 case SS3:
2178 /* go into G3 for one character */
2179 break;
2180 case DCS:
2181 /* device control string introducer */
2182 ip->escape = DCS;
2183 ip->ap = ip->argbuf;
2184 break;
2185 case CSI:
2186 /* control sequence introducer */
2187 ip->escape = CSI;
2188 ip->ap = ip->argbuf;
2189 break;
2190 case ST:
2191 /* string terminator */
2192 /* ignore, if not used as terminator */
2193 break;
2194 case OSC:
2195 /*
2196 * introduces OS command. Ignore everything
2197 * upto ST
2198 */
2199 ip->escape = OSC;
2200 break;
2201 case PM:
2202 /* privacy message, ignore everything upto ST */
2203 ip->escape = PM;
2204 break;
2205 case APC:
2206 /*
2207 * application program command, ignore * everything upto ST
2208 */
2209 ip->escape = APC;
2210 break;
2211 default:
2212 if ((c & 0x7f) < ' ' || c == DEL)
2213 break;
2214 if (ip->imode)
2215 ite_inchar(ip, 1);
2216 iteprecheckwrap(ip);
2217 #ifdef DO_WEIRD_ATTRIBUTES
2218 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2219 attrset(ip, ATTR_INV);
2220 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2221 } else
2222 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2223 #else
2224 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2225 #endif
2226 SUBR_CURSOR(ip, DRAW_CURSOR);
2227 itecheckwrap(ip);
2228 break;
2229 }
2230 }
2231
2232