195 kbd_wait();
196#endif /* XT_KEYBOARD */
197 return (IO_KBDSIZE);
198}
199
200static struct kern_devconf kdc_sc[NSC] = {
201 0, 0, 0, /* filled in by dev_attach */
202 "sc", 0, { MDDT_ISA, 0, "tty" },
203 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN,
204 &kdc_isa0, /* parent */
205 0, /* parentdata */
206 DC_BUSY, /* the console is almost always busy */
207 "Graphics console",
208 DC_CLS_DISPLAY /* class */
209};
210
211static inline void
212sc_registerdev(struct isa_device *id)
213{
214 if(id->id_unit)
215 kdc_sc[id->id_unit] = kdc_sc[0];
216 kdc_sc[id->id_unit].kdc_unit = id->id_unit;
217 kdc_sc[id->id_unit].kdc_isa = id;
218 dev_attach(&kdc_sc[id->id_unit]);
219}
220
221#if NAPM > 0
222static int
223scresume(void *dummy)
224{
225 shfts = 0;
226 ctls = 0;
227 alts = 0;
228 agrs = 0;
229 metas = 0;
230 return 0;
231}
232#endif
233
234int
235scattach(struct isa_device *dev)
236{
237 scr_stat *scp;
238
239 scinit();
240 configuration = dev->id_flags;
241
242 scp = console[0];
243
244 if (crtc_vga) {
245 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT);
246 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT);
247 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT);
248 copy_font(SAVE, FONT_16, font_16);
249 fonts_loaded = FONT_16;
250 scp->font = FONT_16;
251 save_palette();
252 }
253
254 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short),
255 M_DEVBUF, M_NOWAIT);
256 /* copy screen to buffer */
257 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short));
258 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize;
259 scp->mouse_pos = scp->scr_buf;
260
261 /* initialize history buffer & pointers */
262 scp->history_head = scp->history_pos = scp->history =
263 (u_short *)malloc(scp->history_size*sizeof(u_short),
264 M_DEVBUF, M_NOWAIT);
265 bzero(scp->history_head, scp->history_size*sizeof(u_short));
266
267 /* initialize cursor stuff */
268 draw_cursor(scp, TRUE);
269 if (crtc_vga && (configuration & CHAR_CURSOR))
270 set_destructive_cursor(scp, TRUE);
271
272 /* get screen update going */
273 scrn_timer();
274
275 update_leds(scp->status);
276 sc_registerdev(dev);
277
278 printf("sc%d: ", dev->id_unit);
279 if (crtc_vga)
280 if (crtc_addr == MONO_BASE)
281 printf("VGA mono");
282 else
283 printf("VGA color");
284 else
285 if (crtc_addr == MONO_BASE)
286 printf("MDA/hercules");
287 else
288 printf("CGA/EGA");
289 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration);
290
291#if NAPM > 0
292 scp->r_hook.ah_fun = scresume;
293 scp->r_hook.ah_arg = NULL;
294 scp->r_hook.ah_name = "system keyboard";
295 scp->r_hook.ah_order = APM_MID_ORDER;
296 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook);
297#endif
298 return 0;
299}
300
301struct tty
302*scdevtotty(dev_t dev)
303{
304 int unit = minor(dev);
305
306 if (unit > MAXCONS || unit < 0)
307 return(NULL);
308 if (unit == MAXCONS)
309 return CONSOLE_TTY;
310 return VIRTUAL_TTY(unit);
311}
312
313static scr_stat
314*get_scr_stat(dev_t dev)
315{
316 int unit = minor(dev);
317
318 if (unit > MAXCONS || unit < 0)
319 return(NULL);
320 if (unit == MAXCONS)
321 return console[0];
322 return console[unit];
323}
324
325static int
326get_scr_num()
327{
328 int i = 0;
329
330 while ((i < MAXCONS) && (cur_console != console[i]))
331 i++;
332 return i < MAXCONS ? i : 0;
333}
334
335int
336scopen(dev_t dev, int flag, int mode, struct proc *p)
337{
338 struct tty *tp = scdevtotty(dev);
339
340 if (!tp)
341 return(ENXIO);
342
343 tp->t_oproc = scstart;
344 tp->t_param = scparam;
345 tp->t_dev = dev;
346 if (!(tp->t_state & TS_ISOPEN)) {
347 ttychars(tp);
348 tp->t_iflag = TTYDEF_IFLAG;
349 tp->t_oflag = TTYDEF_OFLAG;
350 tp->t_cflag = TTYDEF_CFLAG;
351 tp->t_lflag = TTYDEF_LFLAG;
352 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
353 scparam(tp, &tp->t_termios);
354 ttsetwater(tp);
355 (*linesw[tp->t_line].l_modem)(tp, 1);
356 }
357 else
358 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0)
359 return(EBUSY);
360 if (!console[minor(dev)])
361 console[minor(dev)] = alloc_scp();
362 return((*linesw[tp->t_line].l_open)(dev, tp));
363}
364
365int
366scclose(dev_t dev, int flag, int mode, struct proc *p)
367{
368 struct tty *tp = scdevtotty(dev);
369 struct scr_stat *scp;
370
371 if (!tp)
372 return(ENXIO);
373 if (minor(dev) < MAXCONS) {
374 scp = get_scr_stat(tp->t_dev);
375 if (scp->status & SWITCH_WAIT_ACQ)
376 wakeup((caddr_t)&scp->smode);
377#if not_yet_done
378 if (scp == &main_console) {
379 scp->pid = 0;
380 scp->proc = NULL;
381 scp->smode.mode = VT_AUTO;
382 }
383 else {
384 free(scp->scr_buf, M_DEVBUF);
385 free(scp->history, M_DEVBUF);
386 free(scp, M_DEVBUF);
387 console[minor(dev)] = NULL;
388 }
389#else
390 scp->pid = 0;
391 scp->proc = NULL;
392 scp->smode.mode = VT_AUTO;
393#endif
394 }
395 (*linesw[tp->t_line].l_close)(tp, flag);
396 ttyclose(tp);
397 return(0);
398}
399
400int
401scread(dev_t dev, struct uio *uio, int flag)
402{
403 struct tty *tp = scdevtotty(dev);
404
405 if (!tp)
406 return(ENXIO);
407 return((*linesw[tp->t_line].l_read)(tp, uio, flag));
408}
409
410int
411scwrite(dev_t dev, struct uio *uio, int flag)
412{
413 struct tty *tp = scdevtotty(dev);
414
415 if (!tp)
416 return(ENXIO);
417 return((*linesw[tp->t_line].l_write)(tp, uio, flag));
418}
419
420void
421scintr(int unit)
422{
423 static struct tty *cur_tty;
424 int c, len;
425 u_char *cp;
426
427 /* make screensaver happy */
428 scrn_time_stamp = time.tv_sec;
429 if (scrn_blanked) {
430 (*current_saver)(FALSE);
431 cur_console->start = 0;
432 cur_console->end = cur_console->xsize * cur_console->ysize;
433 }
434
435 c = scgetc(1);
436
437 cur_tty = VIRTUAL_TTY(get_scr_num());
438 if (!(cur_tty->t_state & TS_ISOPEN))
439 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN))
440 return;
441
442 switch (c & 0xff00) {
443 case 0x0000: /* normal key */
444 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty);
445 break;
446 case NOKEY: /* nothing there */
447 break;
448 case FKEY: /* function key, return string */
449 if (cp = get_fstr((u_int)c, (u_int *)&len)) {
450 while (len-- > 0)
451 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty);
452 }
453 break;
454 case MKEY: /* meta is active, prepend ESC */
455 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
456 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty);
457 break;
458 case BKEY: /* backtab fixed sequence (esc [ Z) */
459 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
460 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty);
461 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty);
462 break;
463 }
464}
465
466int
467scparam(struct tty *tp, struct termios *t)
468{
469 tp->t_ispeed = t->c_ispeed;
470 tp->t_ospeed = t->c_ospeed;
471 tp->t_cflag = t->c_cflag;
472 return 0;
473}
474
475int
476scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
477{
478 int i, error;
479 struct tty *tp;
480 struct trapframe *fp;
481 scr_stat *scp;
482
483 tp = scdevtotty(dev);
484 if (!tp)
485 return ENXIO;
486 scp = get_scr_stat(tp->t_dev);
487
488 switch (cmd) { /* process console hardware related ioctl's */
489
490 case GIO_ATTR: /* get current attributes */
491 *(int*)data = scp->term.cur_attr;
492 return 0;
493
494 case GIO_COLOR: /* is this a color console ? */
495 if (crtc_addr == COLOR_BASE)
496 *(int*)data = 1;
497 else
498 *(int*)data = 0;
499 return 0;
500
501 case CONS_CURRENT: /* get current adapter type */
502 if (crtc_vga)
503 *(int*)data = KD_VGA;
504 else
505 if (crtc_addr == MONO_BASE)
506 *(int*)data = KD_MONO;
507 else
508 *(int*)data = KD_CGA;
509 return 0;
510
511 case CONS_GET: /* get current video mode */
512 *(int*)data = scp->mode;
513 return 0;
514
515 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */
516 scrn_blank_time = *(int*)data;
517 return 0;
518
519 case CONS_CURSORTYPE: /* set cursor type blink/noblink */
520 if ((*(int*)data) & 0x01)
521 configuration |= BLINK_CURSOR;
522 else
523 configuration &= ~BLINK_CURSOR;
524 if ((*(int*)data) & 0x02) {
525 configuration |= CHAR_CURSOR;
526 set_destructive_cursor(scp, TRUE);
527 } else
528 configuration &= ~CHAR_CURSOR;
529 return 0;
530
531 case CONS_BELLTYPE: /* set bell type sound/visual */
532 if (*data)
533 configuration |= VISUAL_BELL;
534 else
535 configuration &= ~VISUAL_BELL;
536 return 0;
537
538 case CONS_HISTORY: /* set history size */
539 if (*data) {
540 free(scp->history, M_DEVBUF);
541 scp->history_size = *(int*)data;
542 if (scp->history_size < scp->ysize)
543 scp->history = NULL;
544 else {
545 scp->history_size *= scp->xsize;
546 scp->history_head = scp->history_pos = scp->history =
547 (u_short *)malloc(scp->history_size*sizeof(u_short),
548 M_DEVBUF, M_WAITOK);
549 bzero(scp->history_head, scp->history_size*sizeof(u_short));
550 }
551 return 0;
552 }
553 else
554 return EINVAL;
555
556 case CONS_MOUSECTL: /* control mouse arrow */
557 {
558 mouse_info_t *mouse = (mouse_info_t*)data;
559 int fontsize;
560
561 switch (scp->font) {
562 default:
563 case FONT_8:
564 fontsize = 8; break;
565 case FONT_14:
566 fontsize = 14; break;
567 case FONT_16:
568 fontsize = 16; break;
569 }
570 switch (mouse->operation) {
571 case MOUSE_SHOW:
572 if (!(scp->status & MOUSE_ENABLED)) {
573 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf);
574 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED);
575 }
576 else
577 return EINVAL;
578 break;
579
580 case MOUSE_HIDE:
581 if (scp->status & MOUSE_ENABLED) {
582 scp->status &= ~MOUSE_ENABLED;
583 scp->status |= UPDATE_MOUSE;
584 }
585 else
586 return EINVAL;
587 break;
588
589 case MOUSE_MOVEABS:
590 scp->mouse_xpos = mouse->x;
591 scp->mouse_ypos = mouse->y;
592 goto set_mouse_pos;
593
594 case MOUSE_MOVEREL:
595 scp->mouse_xpos += mouse->x;
596 scp->mouse_ypos += mouse->y;
597set_mouse_pos:
598 if (scp->mouse_xpos < 0)
599 scp->mouse_xpos = 0;
600 if (scp->mouse_ypos < 0)
601 scp->mouse_ypos = 0;
602 if (scp->mouse_xpos >= scp->xsize*8)
603 scp->mouse_xpos = (scp->xsize*8)-1;
604 if (scp->mouse_ypos >= scp->ysize*fontsize)
605 scp->mouse_ypos = (scp->ysize*fontsize)-1;
606 scp->mouse_pos = scp->scr_buf +
607 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8;
608 if (scp->status & MOUSE_ENABLED)
609 scp->status |= UPDATE_MOUSE;
610 break;
611
612 case MOUSE_GETPOS:
613 mouse->x = scp->mouse_xpos;
614 mouse->y = scp->mouse_ypos;
615 return 0;
616
617 default:
618 return EINVAL;
619 }
620 /* make screensaver happy */
621 if (scp == cur_console) {
622 scrn_time_stamp = time.tv_sec;
623 if (scrn_blanked) {
624 (*current_saver)(FALSE);
625 cur_console->start = 0;
626 cur_console->end = cur_console->xsize * cur_console->ysize;
627 }
628 }
629 return 0;
630 }
631
632 case CONS_GETINFO: /* get current (virtual) console info */
633 {
634 vid_info_t *ptr = (vid_info_t*)data;
635 if (ptr->size == sizeof(struct vid_info)) {
636 ptr->m_num = get_scr_num();
637 ptr->mv_col = scp->xpos;
638 ptr->mv_row = scp->ypos;
639 ptr->mv_csz = scp->xsize;
640 ptr->mv_rsz = scp->ysize;
641 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8;
642 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12;
643 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8;
644 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12;
645 ptr->mv_grfc.fore = 0; /* not supported */
646 ptr->mv_grfc.back = 0; /* not supported */
647 ptr->mv_ovscan = scp->border;
648 ptr->mk_keylock = scp->status & LOCK_KEY_MASK;
649 return 0;
650 }
651 return EINVAL;
652 }
653
654 case CONS_GETVERS: /* get version number */
655 *(int*)data = 0x200; /* version 2.0 */
656 return 0;
657
658 /* VGA TEXT MODES */
659 case SW_VGA_C40x25:
660 case SW_VGA_C80x25: case SW_VGA_M80x25:
661 case SW_VGA_C80x30: case SW_VGA_M80x30:
662 case SW_VGA_C80x50: case SW_VGA_M80x50:
663 case SW_VGA_C80x60: case SW_VGA_M80x60:
664 case SW_B40x25: case SW_C40x25:
665 case SW_B80x25: case SW_C80x25:
666 case SW_ENH_B40x25: case SW_ENH_C40x25:
667 case SW_ENH_B80x25: case SW_ENH_C80x25:
668 case SW_ENH_B80x43: case SW_ENH_C80x43:
669
670 if (!crtc_vga || video_mode_ptr == NULL)
671 return ENXIO;
672 switch (cmd & 0xff) {
673 case M_VGA_C80x60: case M_VGA_M80x60:
674 if (!(fonts_loaded & FONT_8))
675 return EINVAL;
676 scp->xsize = 80;
677 scp->ysize = 60;
678 break;
679 case M_VGA_C80x50: case M_VGA_M80x50:
680 if (!(fonts_loaded & FONT_8))
681 return EINVAL;
682 scp->xsize = 80;
683 scp->ysize = 50;
684 break;
685 case M_ENH_B80x43: case M_ENH_C80x43:
686 if (!(fonts_loaded & FONT_8))
687 return EINVAL;
688 scp->xsize = 80;
689 scp->ysize = 43;
690 break;
691 case M_VGA_C80x30: case M_VGA_M80x30:
692 scp->xsize = 80;
693 scp->ysize = 30;
694 break;
695 default:
696 if ((cmd & 0xff) > M_VGA_CG320)
697 return EINVAL;
698 else
699 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64));
700 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1;
701 break;
702 }
703 scp->mode = cmd & 0xff;
704 scp->status &= ~UNKNOWN_MODE; /* text mode */
705 free(scp->scr_buf, M_DEVBUF);
706 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short),
707 M_DEVBUF, M_WAITOK);
708 if (scp == cur_console)
709 set_mode(scp);
710 clear_screen(scp);
711 if (tp->t_winsize.ws_col != scp->xsize
712 || tp->t_winsize.ws_row != scp->ysize) {
713 tp->t_winsize.ws_col = scp->xsize;
714 tp->t_winsize.ws_row = scp->ysize;
715 pgsignal(tp->t_pgrp, SIGWINCH, 1);
716 }
717 return 0;
718
719 /* GRAPHICS MODES */
720 case SW_BG320: case SW_BG640:
721 case SW_CG320: case SW_CG320_D: case SW_CG640_E:
722 case SW_CG640x350: case SW_ENH_CG640:
723 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320:
724
725 if (!crtc_vga || video_mode_ptr == NULL)
726 return ENXIO;
727 scp->mode = cmd & 0xFF;
728 scp->status |= UNKNOWN_MODE; /* graphics mode */
729 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8;
730 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) *
731 (*(video_mode_ptr + (scp->mode*64) + 2));
732 set_mode(scp);
733 /* clear_graphics();*/
734
735 if (tp->t_winsize.ws_xpixel != scp->xsize
736 || tp->t_winsize.ws_ypixel != scp->ysize) {
737 tp->t_winsize.ws_xpixel = scp->xsize;
738 tp->t_winsize.ws_ypixel = scp->ysize;
739 pgsignal(tp->t_pgrp, SIGWINCH, 1);
740 }
741 return 0;
742
743 case VT_SETMODE: /* set screen switcher mode */
744 bcopy(data, &scp->smode, sizeof(struct vt_mode));
745 if (scp->smode.mode == VT_PROCESS) {
746 scp->proc = p;
747 scp->pid = scp->proc->p_pid;
748 }
749 return 0;
750
751 case VT_GETMODE: /* get screen switcher mode */
752 bcopy(&scp->smode, data, sizeof(struct vt_mode));
753 return 0;
754
755 case VT_RELDISP: /* screen switcher ioctl */
756 switch(*data) {
757 case VT_FALSE: /* user refuses to release screen, abort */
758 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) {
759 old_scp->status &= ~SWITCH_WAIT_REL;
760 switch_in_progress = FALSE;
761 return 0;
762 }
763 return EINVAL;
764
765 case VT_TRUE: /* user has released screen, go on */
766 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) {
767 scp->status &= ~SWITCH_WAIT_REL;
768 exchange_scr();
769 if (new_scp->smode.mode == VT_PROCESS) {
770 new_scp->status |= SWITCH_WAIT_ACQ;
771 psignal(new_scp->proc, new_scp->smode.acqsig);
772 }
773 else
774 switch_in_progress = FALSE;
775 return 0;
776 }
777 return EINVAL;
778
779 case VT_ACKACQ: /* acquire acknowledged, switch completed */
780 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) {
781 scp->status &= ~SWITCH_WAIT_ACQ;
782 switch_in_progress = FALSE;
783 return 0;
784 }
785 return EINVAL;
786
787 default:
788 return EINVAL;
789 }
790 /* NOT REACHED */
791
792 case VT_OPENQRY: /* return free virtual console */
793 for (i = 0; i < MAXCONS; i++) {
794 tp = VIRTUAL_TTY(i);
795 if (!(tp->t_state & TS_ISOPEN)) {
796 *data = i + 1;
797 return 0;
798 }
799 }
800 return EINVAL;
801
802 case VT_ACTIVATE: /* switch to screen *data */
803 return switch_scr(scp, (*data) - 1);
804
805 case VT_WAITACTIVE: /* wait for switch to occur */
806 if (*data > MAXCONS || *data < 0)
807 return EINVAL;
808 if (minor(dev) == (*data) - 1)
809 return 0;
810 if (*data == 0) {
811 if (scp == cur_console)
812 return 0;
813 }
814 else
815 scp = console[(*data) - 1];
816 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH,
817 "waitvt", 0)) == ERESTART) ;
818 return error;
819
820 case VT_GETACTIVE:
821 *data = get_scr_num()+1;
822 return 0;
823
824 case KDENABIO: /* allow io operations */
825 fp = (struct trapframe *)p->p_md.md_regs;
826 fp->tf_eflags |= PSL_IOPL;
827 return 0;
828
829 case KDDISABIO: /* disallow io operations (default) */
830 fp = (struct trapframe *)p->p_md.md_regs;
831 fp->tf_eflags &= ~PSL_IOPL;
832 return 0;
833
834 case KDSETMODE: /* set current mode of this (virtual) console */
835 switch (*data) {
836 case KD_TEXT: /* switch to TEXT (known) mode */
837 /* restore fonts & palette ! */
838 if (crtc_vga) {
839 if (fonts_loaded & FONT_8)
840 copy_font(LOAD, FONT_8, font_8);
841 if (fonts_loaded & FONT_14)
842 copy_font(LOAD, FONT_14, font_14);
843 if (fonts_loaded & FONT_16)
844 copy_font(LOAD, FONT_16, font_16);
845 if (configuration & CHAR_CURSOR)
846 set_destructive_cursor(scp, TRUE);
847 load_palette();
848 }
849 /* FALL THROUGH */
850
851 case KD_TEXT1: /* switch to TEXT (known) mode */
852 /* no restore fonts & palette */
853 scp->status &= ~UNKNOWN_MODE;
854 if (crtc_vga && video_mode_ptr)
855 set_mode(scp);
856 clear_screen(scp);
857 return 0;
858
859 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */
860 scp->status |= UNKNOWN_MODE;
861 return 0;
862 default:
863 return EINVAL;
864 }
865 /* NOT REACHED */
866
867 case KDGETMODE: /* get current mode of this (virtual) console */
868 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT;
869 return 0;
870
871 case KDSBORDER: /* set border color of this (virtual) console */
872 if (!crtc_vga)
873 return ENXIO;
874 scp->border = *data;
875 if (scp == cur_console)
876 set_border(scp->border);
877 return 0;
878
879 case KDSKBSTATE: /* set keyboard state (locks) */
880 if (*data >= 0 && *data <= LOCK_KEY_MASK) {
881 scp->status &= ~LOCK_KEY_MASK;
882 scp->status |= *data;
883 if (scp == cur_console)
884 update_leds(scp->status);
885 return 0;
886 }
887 return EINVAL;
888
889 case KDGKBSTATE: /* get keyboard state (locks) */
890 *data = scp->status & LOCK_KEY_MASK;
891 return 0;
892
893 case KDSETRAD: /* set keyboard repeat & delay rates */
894 if (*data & 0x80)
895 return EINVAL;
896 i = spltty();
897 kbd_cmd(KB_SETRAD);
898 kbd_cmd(*data);
899 splx(i);
900 return 0;
901
902 case KDSKBMODE: /* set keyboard mode */
903 switch (*data) {
904 case K_RAW: /* switch to RAW scancode mode */
905 scp->status |= KBD_RAW_MODE;
906 return 0;
907
908 case K_XLATE: /* switch to XLT ascii mode */
909 if (scp == cur_console && scp->status == KBD_RAW_MODE)
910 shfts = ctls = alts = agrs = metas = 0;
911 scp->status &= ~KBD_RAW_MODE;
912 return 0;
913 default:
914 return EINVAL;
915 }
916 /* NOT REACHED */
917
918 case KDGKBMODE: /* get keyboard mode */
919 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE;
920 return 0;
921
922 case KDMKTONE: /* sound the bell */
923 if (*(int*)data)
924 do_bell(scp, (*(int*)data)&0xffff,
925 (((*(int*)data)>>16)&0xffff)*hz/1000);
926 else
927 do_bell(scp, scp->bell_pitch, scp->bell_duration);
928 return 0;
929
930 case KIOCSOUND: /* make tone (*data) hz */
931 if (scp == cur_console) {
932 if (*(int*)data) {
933 int pitch = TIMER_FREQ/(*(int*)data);
934
935 /* set command for counter 2, 2 byte write */
936 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE))
937 return EBUSY;
938
939 /* set pitch */
940 outb(TIMER_CNTR2, pitch);
941 outb(TIMER_CNTR2, (pitch>>8));
942
943 /* enable counter 2 output to speaker */
944 outb(IO_PPI, inb(IO_PPI) | 3);
945 }
946 else {
947 /* disable counter 2 output to speaker */
948 outb(IO_PPI, inb(IO_PPI) & 0xFC);
949 release_timer2();
950 }
951 }
952 return 0;
953
954 case KDGKBTYPE: /* get keyboard type */
955 *data = 0; /* type not known (yet) */
956 return 0;
957
958 case KDSETLED: /* set keyboard LED status */
959 if (*data >= 0 && *data <= LED_MASK) {
960 scp->status &= ~LED_MASK;
961 scp->status |= *data;
962 if (scp == cur_console)
963 update_leds(scp->status);
964 return 0;
965 }
966 return EINVAL;
967
968 case KDGETLED: /* get keyboard LED status */
969 *data = scp->status & LED_MASK;
970 return 0;
971
972 case GETFKEY: /* get functionkey string */
973 if (*(u_short*)data < n_fkey_tab) {
974 fkeyarg_t *ptr = (fkeyarg_t*)data;
975 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef,
976 fkey_tab[ptr->keynum].len);
977 ptr->flen = fkey_tab[ptr->keynum].len;
978 return 0;
979 }
980 else
981 return EINVAL;
982
983 case SETFKEY: /* set functionkey string */
984 if (*(u_short*)data < n_fkey_tab) {
985 fkeyarg_t *ptr = (fkeyarg_t*)data;
986 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str,
987 min(ptr->flen, MAXFK));
988 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK);
989 return 0;
990 }
991 else
992 return EINVAL;
993
994 case GIO_SCRNMAP: /* get output translation table */
995 bcopy(&scr_map, data, sizeof(scr_map));
996 return 0;
997
998 case PIO_SCRNMAP: /* set output translation table */
999 bcopy(data, &scr_map, sizeof(scr_map));
1000 return 0;
1001
1002 case GIO_KEYMAP: /* get keyboard translation table */
1003 bcopy(&key_map, data, sizeof(key_map));
1004 return 0;
1005
1006 case PIO_KEYMAP: /* set keyboard translation table */
1007 bcopy(data, &key_map, sizeof(key_map));
1008 return 0;
1009
1010 case PIO_FONT8x8: /* set 8x8 dot font */
1011 if (!crtc_vga)
1012 return ENXIO;
1013 bcopy(data, font_8, 8*256);
1014 fonts_loaded |= FONT_8;
1015 copy_font(LOAD, FONT_8, font_8);
1016 if (configuration & CHAR_CURSOR)
1017 set_destructive_cursor(scp, TRUE);
1018 return 0;
1019
1020 case GIO_FONT8x8: /* get 8x8 dot font */
1021 if (!crtc_vga)
1022 return ENXIO;
1023 if (fonts_loaded & FONT_8) {
1024 bcopy(font_8, data, 8*256);
1025 return 0;
1026 }
1027 else
1028 return ENXIO;
1029
1030 case PIO_FONT8x14: /* set 8x14 dot font */
1031 if (!crtc_vga)
1032 return ENXIO;
1033 bcopy(data, font_14, 14*256);
1034 fonts_loaded |= FONT_14;
1035 copy_font(LOAD, FONT_14, font_14);
1036 if (configuration & CHAR_CURSOR)
1037 set_destructive_cursor(scp, TRUE);
1038 return 0;
1039
1040 case GIO_FONT8x14: /* get 8x14 dot font */
1041 if (!crtc_vga)
1042 return ENXIO;
1043 if (fonts_loaded & FONT_14) {
1044 bcopy(font_14, data, 14*256);
1045 return 0;
1046 }
1047 else
1048 return ENXIO;
1049
1050 case PIO_FONT8x16: /* set 8x16 dot font */
1051 if (!crtc_vga)
1052 return ENXIO;
1053 bcopy(data, font_16, 16*256);
1054 fonts_loaded |= FONT_16;
1055 copy_font(LOAD, FONT_16, font_16);
1056 if (configuration & CHAR_CURSOR)
1057 set_destructive_cursor(scp, TRUE);
1058 return 0;
1059
1060 case GIO_FONT8x16: /* get 8x16 dot font */
1061 if (!crtc_vga)
1062 return ENXIO;
1063 if (fonts_loaded & FONT_16) {
1064 bcopy(font_16, data, 16*256);
1065 return 0;
1066 }
1067 else
1068 return ENXIO;
1069 default:
1070 break;
1071 }
1072
1073 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p);
1074 if (error >= 0)
1075 return(error);
1076 error = ttioctl(tp, cmd, data, flag);
1077 if (error >= 0)
1078 return(error);
1079 return(ENOTTY);
1080}
1081
1082void
1083scstart(struct tty *tp)
1084{
1085 struct clist *rbp;
1086 int i, s, len;
1087 u_char buf[PCBURST];
1088 scr_stat *scp = get_scr_stat(tp->t_dev);
1089
1090 /* XXX who repeats the call when the above flags are cleared? */
1091 if (scp->status & SLKED || blink_in_progress)
1092 return;
1093 s = spltty();
1094 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
1095 tp->t_state |= TS_BUSY;
1096 rbp = &tp->t_outq;
1097 while (rbp->c_cc) {
1098 len = q_to_b(rbp, buf, PCBURST);
1099 splx(s);
1100 ansi_put(scp, buf, len);
1101 s = spltty();
1102 }
1103 tp->t_state &= ~TS_BUSY;
1104 ttwwakeup(tp);
1105 }
1106 splx(s);
1107}
1108
1109void
1110pccnprobe(struct consdev *cp)
1111{
1112 int maj;
1113
1114 /* locate the major number */
1115 for (maj = 0; maj < nchrdev; maj++)
1116 if ((void*)cdevsw[maj].d_open == (void*)scopen)
1117 break;
1118
1119 /* initialize required fields */
1120 cp->cn_dev = makedev(maj, MAXCONS);
1121 cp->cn_pri = CN_INTERNAL;
1122}
1123
1124void
1125pccninit(struct consdev *cp)
1126{
1127 scinit();
1128}
1129
1130void
1131pccnputc(dev_t dev, int c)
1132{
1133 u_char buf[1];
1134 scr_stat *scp = console[0];
1135 term_stat save = scp->term;
1136
1137 scp->term = kernel_console;
1138 current_default = &kernel_default;
1139 if (scp->scr_buf == Crtat)
1140 draw_cursor(scp, FALSE);
1141 buf[0] = c;
1142 ansi_put(scp, buf, 1);
1143 kernel_console = scp->term;
1144 current_default = &user_default;
1145 scp->term = save;
1146 if (scp == cur_console /* && scrn_timer not running */) {
1147 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) {
1148 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start,
1149 (1 + scp->end - scp->start) * sizeof(u_short));
1150 scp->start = scp->xsize * scp->ysize;
1151 scp->end = 0;
1152 scp->status &= ~CURSOR_SHOWN;
1153 }
1154 draw_cursor(scp, TRUE);
1155 }
1156}
1157
1158int
1159pccngetc(dev_t dev)
1160{
1161 int s = spltty(); /* block scintr while we poll */
1162 int c = scgetc(0);
1163 splx(s);
1164 return(c);
1165}
1166
1167int
1168pccncheckc(dev_t dev)
1169{
1170 return (scgetc(1) & 0xff);
1171}
1172
1173static void
1174scrn_timer()
1175{
1176 static int cursor_blinkrate;
1177 scr_stat *scp = cur_console;
1178
1179 /* should we just return ? */
1180 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) {
1181 timeout((timeout_func_t)scrn_timer, 0, hz/10);
1182 return;
1183 }
1184
1185 if (!scrn_blanked) {
1186 /* update screen image */
1187 if (scp->start <= scp->end) {
1188 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start,
1189 (1 + scp->end - scp->start) * sizeof(u_short));
1190 scp->status &= ~CURSOR_SHOWN;
1191 scp->start = scp->xsize * scp->ysize;
1192 scp->end = 0;
1193 }
1194 /* update "pseudo" mouse arrow */
1195 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE))
1196 draw_mouse_image(scp);
1197
1198 /* update cursor image */
1199 if (scp->status & CURSOR_ENABLED)
1200 draw_cursor(scp,
1201 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04));
1202 }
1203 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time))
1204 (*current_saver)(TRUE);
1205 timeout((timeout_func_t)scrn_timer, 0, hz/25);
1206}
1207
1208static void
1209clear_screen(scr_stat *scp)
1210{
1211 move_crsr(scp, 0, 0);
1212 fillw(scp->term.cur_attr | scr_map[0x20], scp->scr_buf,
1213 scp->xsize * scp->ysize);
1214 mark_all(scp);
1215}
1216
1217static int
1218switch_scr(scr_stat *scp, u_int next_scr)
1219{
1220 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid)))
1221 switch_in_progress = FALSE;
1222
1223 if (next_scr >= MAXCONS || switch_in_progress ||
1224 (cur_console->smode.mode == VT_AUTO
1225 && cur_console->status & UNKNOWN_MODE)) {
1226 do_bell(scp, BELL_PITCH, BELL_DURATION);
1227 return EINVAL;
1228 }
1229
1230 /* is the wanted virtual console open ? */
1231 if (next_scr) {
1232 struct tty *tp = VIRTUAL_TTY(next_scr);
1233 if (!(tp->t_state & TS_ISOPEN)) {
1234 do_bell(scp, BELL_PITCH, BELL_DURATION);
1235 return EINVAL;
1236 }
1237 }
1238 /* delay switch if actively updating screen */
1239 if (write_in_progress || blink_in_progress) {
1240 delayed_next_scr = next_scr+1;
1241 return 0;
1242 }
1243 switch_in_progress = TRUE;
1244 old_scp = cur_console;
1245 new_scp = console[next_scr];
1246 wakeup((caddr_t)&new_scp->smode);
1247 if (new_scp == old_scp) {
1248 switch_in_progress = FALSE;
1249 delayed_next_scr = FALSE;
1250 return 0;
1251 }
1252
1253 /* has controlling process died? */
1254 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid)))
1255 old_scp->smode.mode = VT_AUTO;
1256 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid)))
1257 new_scp->smode.mode = VT_AUTO;
1258
1259 /* check the modes and switch approbiatly */
1260 if (old_scp->smode.mode == VT_PROCESS) {
1261 old_scp->status |= SWITCH_WAIT_REL;
1262 psignal(old_scp->proc, old_scp->smode.relsig);
1263 }
1264 else {
1265 exchange_scr();
1266 if (new_scp->smode.mode == VT_PROCESS) {
1267 new_scp->status |= SWITCH_WAIT_ACQ;
1268 psignal(new_scp->proc, new_scp->smode.acqsig);
1269 }
1270 else
1271 switch_in_progress = FALSE;
1272 }
1273 return 0;
1274}
1275
1276static void
1277exchange_scr(void)
1278{
1279 move_crsr(old_scp, old_scp->xpos, old_scp->ypos);
1280 cur_console = new_scp;
1281 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){
1282 if (crtc_vga && video_mode_ptr)
1283 set_mode(new_scp);
1284 }
1285 move_crsr(new_scp, new_scp->xpos, new_scp->ypos);
1286 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) {
1287 if (fonts_loaded & FONT_8)
1288 copy_font(LOAD, FONT_8, font_8);
1289 if (fonts_loaded & FONT_14)
1290 copy_font(LOAD, FONT_14, font_14);
1291 if (fonts_loaded & FONT_16)
1292 copy_font(LOAD, FONT_16, font_16);
1293 if (configuration & CHAR_CURSOR)
1294 set_destructive_cursor(new_scp, TRUE);
1295 load_palette();
1296 }
1297 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE)
1298 shfts = ctls = alts = agrs = metas = 0;
1299 update_leds(new_scp->status);
1300 delayed_next_scr = FALSE;
1301 bcopyw(new_scp->scr_buf, Crtat,
1302 (new_scp->xsize*new_scp->ysize)*sizeof(u_short));
1303 new_scp->status &= ~CURSOR_SHOWN;
1304}
1305
1306static inline void
1307move_crsr(scr_stat *scp, int x, int y)
1308{
1309 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize)
1310 return;
1311 scp->xpos = x;
1312 scp->ypos = y;
1313 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1314 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos;
1315 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1316}
1317
1318static void
1319scan_esc(scr_stat *scp, u_char c)
1320{
1321 static u_char ansi_col[16] =
1322 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15};
1323 int i, n;
1324 u_short *src, *dst, count;
1325
1326 if (scp->term.esc == 1) {
1327 switch (c) {
1328
1329 case '[': /* Start ESC [ sequence */
1330 scp->term.esc = 2;
1331 scp->term.last_param = -1;
1332 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++)
1333 scp->term.param[i] = 1;
1334 scp->term.num_param = 0;
1335 return;
1336
1337 case 'M': /* Move cursor up 1 line, scroll if at top */
1338 if (scp->ypos > 0)
1339 move_crsr(scp, scp->xpos, scp->ypos - 1);
1340 else {
1341 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize,
1342 (scp->ysize - 1) * scp->xsize * sizeof(u_short));
1343 fillw(scp->term.cur_attr | scr_map[0x20],
1344 scp->scr_buf, scp->xsize);
1345 mark_all(scp);
1346 }
1347 break;
1348#if notyet
1349 case 'Q':
1350 scp->term.esc = 4;
1351 break;
1352#endif
1353 case 'c': /* Clear screen & home */
1354 clear_screen(scp);
1355 break;
1356 }
1357 }
1358 else if (scp->term.esc == 2) {
1359 if (c >= '0' && c <= '9') {
1360 if (scp->term.num_param < MAX_ESC_PAR) {
1361 if (scp->term.last_param != scp->term.num_param) {
1362 scp->term.last_param = scp->term.num_param;
1363 scp->term.param[scp->term.num_param] = 0;
1364 }
1365 else
1366 scp->term.param[scp->term.num_param] *= 10;
1367 scp->term.param[scp->term.num_param] += c - '0';
1368 return;
1369 }
1370 }
1371 scp->term.num_param = scp->term.last_param + 1;
1372 switch (c) {
1373
1374 case ';':
1375 if (scp->term.num_param < MAX_ESC_PAR)
1376 return;
1377 break;
1378
1379 case '=':
1380 scp->term.esc = 3;
1381 scp->term.last_param = -1;
1382 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++)
1383 scp->term.param[i] = 1;
1384 scp->term.num_param = 0;
1385 return;
1386
1387 case 'A': /* up n rows */
1388 n = scp->term.param[0]; if (n < 1) n = 1;
1389 move_crsr(scp, scp->xpos, scp->ypos - n);
1390 break;
1391
1392 case 'B': /* down n rows */
1393 n = scp->term.param[0]; if (n < 1) n = 1;
1394 move_crsr(scp, scp->xpos, scp->ypos + n);
1395 break;
1396
1397 case 'C': /* right n columns */
1398 n = scp->term.param[0]; if (n < 1) n = 1;
1399 move_crsr(scp, scp->xpos + n, scp->ypos);
1400 break;
1401
1402 case 'D': /* left n columns */
1403 n = scp->term.param[0]; if (n < 1) n = 1;
1404 move_crsr(scp, scp->xpos - n, scp->ypos);
1405 break;
1406
1407 case 'E': /* cursor to start of line n lines down */
1408 n = scp->term.param[0]; if (n < 1) n = 1;
1409 move_crsr(scp, 0, scp->ypos + n);
1410 break;
1411
1412 case 'F': /* cursor to start of line n lines up */
1413 n = scp->term.param[0]; if (n < 1) n = 1;
1414 move_crsr(scp, 0, scp->ypos - n);
1415 break;
1416
1417 case 'f': /* Cursor move */
1418 case 'H':
1419 if (scp->term.num_param == 0)
1420 move_crsr(scp, 0, 0);
1421 else if (scp->term.num_param == 2)
1422 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1);
1423 break;
1424
1425 case 'J': /* Clear all or part of display */
1426 if (scp->term.num_param == 0)
1427 n = 0;
1428 else
1429 n = scp->term.param[0];
1430 switch (n) {
1431 case 0: /* clear form cursor to end of display */
1432 fillw(scp->term.cur_attr | scr_map[0x20],
1433 scp->cursor_pos,
1434 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos);
1435 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1436 mark_for_update(scp, scp->xsize * scp->ysize);
1437 break;
1438 case 1: /* clear from beginning of display to cursor */
1439 fillw(scp->term.cur_attr | scr_map[0x20],
1440 scp->scr_buf,
1441 scp->cursor_pos - scp->scr_buf);
1442 mark_for_update(scp, 0);
1443 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1444 break;
1445 case 2: /* clear entire display */
1446 clear_screen(scp);
1447 break;
1448 }
1449 break;
1450
1451 case 'K': /* Clear all or part of line */
1452 if (scp->term.num_param == 0)
1453 n = 0;
1454 else
1455 n = scp->term.param[0];
1456 switch (n) {
1457 case 0: /* clear form cursor to end of line */
1458 fillw(scp->term.cur_attr | scr_map[0x20],
1459 scp->cursor_pos,
1460 scp->xsize - scp->xpos);
1461 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1462 mark_for_update(scp, scp->cursor_pos - scp->scr_buf +
1463 scp->xsize - scp->xpos);
1464 break;
1465 case 1: /* clear from beginning of line to cursor */
1466 fillw(scp->term.cur_attr|scr_map[0x20],
1467 scp->cursor_pos - (scp->xsize - scp->xpos),
1468 (scp->xsize - scp->xpos) + 1);
1469 mark_for_update(scp, scp->ypos * scp->xsize);
1470 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1471 break;
1472 case 2: /* clear entire line */
1473 fillw(scp->term.cur_attr|scr_map[0x20],
1474 scp->cursor_pos - (scp->xsize - scp->xpos),
1475 scp->xsize);
1476 mark_for_update(scp, scp->ypos * scp->xsize);
1477 mark_for_update(scp, (scp->ypos + 1) * scp->xsize);
1478 break;
1479 }
1480 break;
1481
1482 case 'L': /* Insert n lines */
1483 n = scp->term.param[0]; if (n < 1) n = 1;
1484 if (n > scp->ysize - scp->ypos)
1485 n = scp->ysize - scp->ypos;
1486 src = scp->scr_buf + scp->ypos * scp->xsize;
1487 dst = src + n * scp->xsize;
1488 count = scp->ysize - (scp->ypos + n);
1489 bcopyw(src, dst, count * scp->xsize * sizeof(u_short));
1490 fillw(scp->term.cur_attr | scr_map[0x20], src,
1491 n * scp->xsize);
1492 mark_for_update(scp, scp->ypos * scp->xsize);
1493 mark_for_update(scp, scp->xsize * scp->ysize);
1494 break;
1495
1496 case 'M': /* Delete n lines */
1497 n = scp->term.param[0]; if (n < 1) n = 1;
1498 if (n > scp->ysize - scp->ypos)
1499 n = scp->ysize - scp->ypos;
1500 dst = scp->scr_buf + scp->ypos * scp->xsize;
1501 src = dst + n * scp->xsize;
1502 count = scp->ysize - (scp->ypos + n);
1503 bcopyw(src, dst, count * scp->xsize * sizeof(u_short));
1504 src = dst + count * scp->xsize;
1505 fillw(scp->term.cur_attr | scr_map[0x20], src,
1506 n * scp->xsize);
1507 mark_for_update(scp, scp->ypos * scp->xsize);
1508 mark_for_update(scp, scp->xsize * scp->ysize);
1509 break;
1510
1511 case 'P': /* Delete n chars */
1512 n = scp->term.param[0]; if (n < 1) n = 1;
1513 if (n > scp->xsize - scp->xpos)
1514 n = scp->xsize - scp->xpos;
1515 dst = scp->cursor_pos;
1516 src = dst + n;
1517 count = scp->xsize - (scp->xpos + n);
1518 bcopyw(src, dst, count * sizeof(u_short));
1519 src = dst + count;
1520 fillw(scp->term.cur_attr | scr_map[0x20], src, n);
1521 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1522 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count);
1523 break;
1524
1525 case '@': /* Insert n chars */
1526 n = scp->term.param[0]; if (n < 1) n = 1;
1527 if (n > scp->xsize - scp->xpos)
1528 n = scp->xsize - scp->xpos;
1529 src = scp->cursor_pos;
1530 dst = src + n;
1531 count = scp->xsize - (scp->xpos + n);
1532 bcopyw(src, dst, count * sizeof(u_short));
1533 fillw(scp->term.cur_attr | scr_map[0x20], src, n);
1534 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1535 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count);
1536 break;
1537
1538 case 'S': /* scroll up n lines */
1539 n = scp->term.param[0]; if (n < 1) n = 1;
1540 if (n > scp->ysize)
1541 n = scp->ysize;
1542 bcopyw(scp->scr_buf + (scp->xsize * n),
1543 scp->scr_buf,
1544 scp->xsize * (scp->ysize - n) * sizeof(u_short));
1545 fillw(scp->term.cur_attr | scr_map[0x20],
1546 scp->scr_buf + scp->xsize * (scp->ysize - n),
1547 scp->xsize * n);
1548 mark_all(scp);
1549 break;
1550
1551 case 'T': /* scroll down n lines */
1552 n = scp->term.param[0]; if (n < 1) n = 1;
1553 if (n > scp->ysize)
1554 n = scp->ysize;
1555 bcopyw(scp->scr_buf,
1556 scp->scr_buf + (scp->xsize * n),
1557 scp->xsize * (scp->ysize - n) *
1558 sizeof(u_short));
1559 fillw(scp->term.cur_attr | scr_map[0x20],
1560 scp->scr_buf, scp->xsize * n);
1561 mark_all(scp);
1562 break;
1563
1564 case 'X': /* erase n characters in line */
1565 n = scp->term.param[0]; if (n < 1) n = 1;
1566 if (n > scp->xsize - scp->xpos)
1567 n = scp->xsize - scp->xpos;
1568 fillw(scp->term.cur_attr | scr_map[0x20],
1569 scp->scr_buf + scp->xpos +
1570 ((scp->xsize*scp->ypos) * sizeof(u_short)), n);
1571 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1572 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n);
1573 break;
1574
1575 case 'Z': /* move n tabs backwards */
1576 n = scp->term.param[0]; if (n < 1) n = 1;
1577 if ((i = scp->xpos & 0xf8) == scp->xpos)
1578 i -= 8*n;
1579 else
1580 i -= 8*(n-1);
1581 if (i < 0)
1582 i = 0;
1583 move_crsr(scp, i, scp->ypos);
1584 break;
1585
1586 case '`': /* move cursor to column n */
1587 n = scp->term.param[0]; if (n < 1) n = 1;
1588 move_crsr(scp, n - 1, scp->ypos);
1589 break;
1590
1591 case 'a': /* move cursor n columns to the right */
1592 n = scp->term.param[0]; if (n < 1) n = 1;
1593 move_crsr(scp, scp->xpos + n, scp->ypos);
1594 break;
1595
1596 case 'd': /* move cursor to row n */
1597 n = scp->term.param[0]; if (n < 1) n = 1;
1598 move_crsr(scp, scp->xpos, n - 1);
1599 break;
1600
1601 case 'e': /* move cursor n rows down */
1602 n = scp->term.param[0]; if (n < 1) n = 1;
1603 move_crsr(scp, scp->xpos, scp->ypos + n);
1604 break;
1605
1606 case 'm': /* change attribute */
1607 if (scp->term.num_param == 0) {
1608 scp->term.cur_attr = scp->term.std_attr;
1609 break;
1610 }
1611 for (i = 0; i < scp->term.num_param; i++) {
1612 switch (n = scp->term.param[i]) {
1613 case 0: /* back to normal */
1614 scp->term.cur_attr = scp->term.std_attr;
1615 break;
1616 case 1: /* highlight (bold) */
1617 scp->term.cur_attr &= 0xFF00;
1618 scp->term.cur_attr |= 0x0800;
1619 break;
1620 case 4: /* highlight (underline) */
1621 scp->term.cur_attr &= 0xFF00;
1622 scp->term.cur_attr |= 0x0800;
1623 break;
1624 case 5: /* blink */
1625 scp->term.cur_attr &= 0xFF00;
1626 scp->term.cur_attr |= 0x8000;
1627 break;
1628 case 7: /* reverse video */
1629 scp->term.cur_attr = scp->term.rev_attr;
1630 break;
1631 case 30: case 31: /* set fg color */
1632 case 32: case 33: case 34:
1633 case 35: case 36: case 37:
1634 scp->term.cur_attr =
1635 (scp->term.cur_attr&0xF8FF) | (ansi_col[(n-30)&7]<<8);
1636 break;
1637 case 40: case 41: /* set bg color */
1638 case 42: case 43: case 44:
1639 case 45: case 46: case 47:
1640 scp->term.cur_attr =
1641 (scp->term.cur_attr&0x8FFF) | (ansi_col[(n-40)&7]<<12);
1642 break;
1643 }
1644 }
1645 break;
1646
1647 case 'x':
1648 if (scp->term.num_param == 0)
1649 n = 0;
1650 else
1651 n = scp->term.param[0];
1652 switch (n) {
1653 case 0: /* reset attributes */
1654 scp->term.cur_attr = scp->term.std_attr =
1655 current_default->std_attr;
1656 scp->term.rev_attr = current_default->rev_attr;
1657 break;
1658 case 1: /* set ansi background */
1659 scp->term.cur_attr = scp->term.std_attr =
1660 (scp->term.std_attr & 0x0F00) |
1661 (ansi_col[(scp->term.param[1])&0x0F]<<12);
1662 break;
1663 case 2: /* set ansi foreground */
1664 scp->term.cur_attr = scp->term.std_attr =
1665 (scp->term.std_attr & 0xF000) |
1666 (ansi_col[(scp->term.param[1])&0x0F]<<8);
1667 break;
1668 case 3: /* set ansi attribute directly */
1669 scp->term.cur_attr = scp->term.std_attr =
1670 (scp->term.param[1]&0xFF)<<8;
1671 break;
1672 case 5: /* set ansi reverse video background */
1673 scp->term.rev_attr =
1674 (scp->term.rev_attr & 0x0F00) |
1675 (ansi_col[(scp->term.param[1])&0x0F]<<12);
1676 break;
1677 case 6: /* set ansi reverse video foreground */
1678 scp->term.rev_attr =
1679 (scp->term.rev_attr & 0xF000) |
1680 (ansi_col[(scp->term.param[1])&0x0F]<<8);
1681 break;
1682 case 7: /* set ansi reverse video directly */
1683 scp->term.rev_attr =
1684 (scp->term.param[1]&0xFF)<<8;
1685 break;
1686 }
1687 break;
1688
1689 case 'z': /* switch to (virtual) console n */
1690 if (scp->term.num_param == 1)
1691 switch_scr(scp, scp->term.param[0]);
1692 break;
1693 }
1694 }
1695 else if (scp->term.esc == 3) {
1696 if (c >= '0' && c <= '9') {
1697 if (scp->term.num_param < MAX_ESC_PAR) {
1698 if (scp->term.last_param != scp->term.num_param) {
1699 scp->term.last_param = scp->term.num_param;
1700 scp->term.param[scp->term.num_param] = 0;
1701 }
1702 else
1703 scp->term.param[scp->term.num_param] *= 10;
1704 scp->term.param[scp->term.num_param] += c - '0';
1705 return;
1706 }
1707 }
1708 scp->term.num_param = scp->term.last_param + 1;
1709 switch (c) {
1710
1711 case ';':
1712 if (scp->term.num_param < MAX_ESC_PAR)
1713 return;
1714 break;
1715
1716 case 'A': /* set display border color */
1717 if (scp->term.num_param == 1)
1718 scp->border=scp->term.param[0] & 0xff;
1719 if (scp == cur_console)
1720 set_border(scp->border);
1721 break;
1722
1723 case 'B': /* set bell pitch and duration */
1724 if (scp->term.num_param == 2) {
1725 scp->bell_pitch = scp->term.param[0];
1726 scp->bell_duration = scp->term.param[1]*10;
1727 }
1728 break;
1729
1730 case 'C': /* set cursor type & shape */
1731 if (scp->term.num_param == 1) {
1732 if (scp->term.param[0] & 0x01)
1733 configuration |= BLINK_CURSOR;
1734 else
1735 configuration &= ~BLINK_CURSOR;
1736 if (scp->term.param[0] & 0x02) {
1737 configuration |= CHAR_CURSOR;
1738 set_destructive_cursor(scp, TRUE);
1739 } else
1740 configuration &= ~CHAR_CURSOR;
1741 }
1742 else if (scp->term.num_param == 2) {
1743 scp->cursor_start = scp->term.param[0] & 0x1F;
1744 scp->cursor_end = scp->term.param[1] & 0x1F;
1745 if (configuration & CHAR_CURSOR)
1746 set_destructive_cursor(scp, TRUE);
1747 }
1748 break;
1749
1750 case 'F': /* set ansi foreground */
1751 if (scp->term.num_param == 1)
1752 scp->term.cur_attr = scp->term.std_attr =
1753 (scp->term.std_attr & 0xF000)
1754 | ((scp->term.param[0] & 0x0F) << 8);
1755 break;
1756
1757 case 'G': /* set ansi background */
1758 if (scp->term.num_param == 1)
1759 scp->term.cur_attr = scp->term.std_attr =
1760 (scp->term.std_attr & 0x0F00)
1761 | ((scp->term.param[0] & 0x0F) << 12);
1762 break;
1763
1764 case 'H': /* set ansi reverse video foreground */
1765 if (scp->term.num_param == 1)
1766 scp->term.rev_attr =
1767 (scp->term.rev_attr & 0xF000)
1768 | ((scp->term.param[0] & 0x0F) << 8);
1769 break;
1770
1771 case 'I': /* set ansi reverse video background */
1772 if (scp->term.num_param == 1)
1773 scp->term.rev_attr =
1774 (scp->term.rev_attr & 0x0F00)
1775 | ((scp->term.param[0] & 0x0F) << 12);
1776 break;
1777 }
1778 }
1779 scp->term.esc = 0;
1780}
1781
1782static inline void
1783draw_cursor(scr_stat *scp, int show)
1784{
1785 if (show && !(scp->status & CURSOR_SHOWN)) {
1786 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf));
1787
1788 scp->cursor_saveunder = cursor_image;
1789 if (configuration & CHAR_CURSOR) {
1790 set_destructive_cursor(scp, FALSE);
1791 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR;
1792 }
1793 else {
1794 if ((cursor_image & 0x7000) == 0x7000) {
1795 cursor_image &= 0x8fff;
1796 if(!(cursor_image & 0x0700))
1797 cursor_image |= 0x0700;
1798 } else {
1799 cursor_image |= 0x7000;
1800 if ((cursor_image & 0x0700) == 0x0700)
1801 cursor_image &= 0xf0ff;
1802 }
1803 }
1804 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image;
1805 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1806 scp->status |= CURSOR_SHOWN;
1807 }
1808 if (!show && (scp->status & CURSOR_SHOWN)) {
1809 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder;
1810 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1811 scp->status &= ~CURSOR_SHOWN;
1812 }
1813}
1814
1815static void
1816ansi_put(scr_stat *scp, u_char *buf, int len)
1817{
1818 u_char *ptr = buf;
1819
1820 if (scp->status & UNKNOWN_MODE)
1821 return;
1822
1823 /* make screensaver happy */
1824 if (scp == cur_console) {
1825 scrn_time_stamp = time.tv_sec;
1826 if (scrn_blanked) {
1827 (*current_saver)(FALSE);
1828 cur_console->start = 0;
1829 cur_console->end = cur_console->xsize * cur_console->ysize;
1830 }
1831 }
1832 write_in_progress++;
1833outloop:
1834 if (scp->term.esc) {
1835 scan_esc(scp, *ptr++);
1836 len--;
1837 }
1838 else if (PRINTABLE(*ptr)) { /* Print only printables */
1839 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos);
1840 u_short cur_attr = scp->term.cur_attr;
1841 u_short *cursor_pos = scp->cursor_pos;
1842 do {
1843 /*
1844 * gcc-2.6.3 generates poor (un)sign extension code. Casting the
1845 * pointers in the following to volatile should have no effect,
1846 * but in fact speeds up this inner loop from 26 to 18 cycles
1847 * (+ cache misses) on i486's.
1848 */
1849#define UCVP(ucp) ((u_char volatile *)(ucp))
1850 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr;
1851 ptr++;
1852 cnt--;
1853 } while (cnt && PRINTABLE(*ptr));
1854 len -= (cursor_pos - scp->cursor_pos);
1855 scp->xpos += (cursor_pos - scp->cursor_pos);
1856 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1857 mark_for_update(scp, cursor_pos - scp->scr_buf);
1858 scp->cursor_pos = cursor_pos;
1859 if (scp->xpos >= scp->xsize) {
1860 scp->xpos = 0;
1861 scp->ypos++;
1862 }
1863 }
1864 else {
1865 switch(*ptr) {
1866 case 0x07:
1867 do_bell(scp, scp->bell_pitch, scp->bell_duration);
1868 break;
1869
1870 case 0x08: /* non-destructive backspace */
1871 if (scp->cursor_pos > scp->scr_buf) {
1872 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1873 scp->cursor_pos--;
1874 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1875 if (scp->xpos > 0)
1876 scp->xpos--;
1877 else {
1878 scp->xpos += scp->xsize - 1;
1879 scp->ypos--;
1880 }
1881 }
1882 break;
1883
1884 case 0x09: /* non-destructive tab */
1885 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1886 scp->cursor_pos += (8 - scp->xpos % 8u);
1887 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1888 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) {
1889 scp->xpos = 0;
1890 scp->ypos++;
1891 }
1892 break;
1893
1894 case 0x0a: /* newline, same pos */
1895 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1896 scp->cursor_pos += scp->xsize;
1897 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1898 scp->ypos++;
1899 break;
1900
1901 case 0x0c: /* form feed, clears screen */
1902 clear_screen(scp);
1903 break;
1904
1905 case 0x0d: /* return, return to pos 0 */
1906 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1907 scp->cursor_pos -= scp->xpos;
1908 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1909 scp->xpos = 0;
1910 break;
1911
1912 case 0x1b: /* start escape sequence */
1913 scp->term.esc = 1;
1914 scp->term.num_param = 0;
1915 break;
1916 }
1917 ptr++; len--;
1918 }
1919 /* do we have to scroll ?? */
1920 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) {
1921 if (scp->history) {
1922 bcopyw(scp->scr_buf, scp->history_head,
1923 scp->xsize * sizeof(u_short));
1924 scp->history_head += scp->xsize;
1925 if (scp->history_head + scp->xsize >
1926 scp->history + scp->history_size)
1927 scp->history_head = scp->history;
1928 }
1929 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf,
1930 scp->xsize * (scp->ysize - 1) * sizeof(u_short));
1931 fillw(scp->term.cur_attr | scr_map[0x20],
1932 scp->scr_buf + scp->xsize * (scp->ysize - 1),
1933 scp->xsize);
1934 scp->cursor_pos -= scp->xsize;
1935 scp->ypos--;
1936 mark_all(scp);
1937 }
1938 if (len)
1939 goto outloop;
1940 write_in_progress--;
1941 if (delayed_next_scr)
1942 switch_scr(scp, delayed_next_scr - 1);
1943}
1944
1945static void
1946scinit(void)
1947{
1948 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was;
1949 unsigned hw_cursor;
1950 int i;
1951
1952 if (init_done)
1953 return;
1954 init_done = TRUE;
1955 /*
1956 * Crtat initialized to point to MONO buffer, if not present change
1957 * to CGA_BUF offset. ONLY add the difference since locore.s adds
1958 * in the remapped offset at the "right" time
1959 */
1960 was = *cp;
1961 *cp = (u_short) 0xA55A;
1962 if (*cp != 0xA55A)
1963 crtc_addr = MONO_BASE;
1964 else {
1965 *cp = was;
1966 crtc_addr = COLOR_BASE;
1967 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short);
1968 }
1969
1970 /* extract cursor location */
1971 outb(crtc_addr, 14);
1972 hw_cursor = inb(crtc_addr + 1) << 8;
1973 outb(crtc_addr, 15);
1974 hw_cursor |= inb(crtc_addr + 1);
1975
1976 /* move hardware cursor out of the way */
1977 outb(crtc_addr, 14);
1978 outb(crtc_addr + 1, 0xff);
1979 outb(crtc_addr, 15);
1980 outb(crtc_addr + 1, 0xff);
1981
1982 /* is this a VGA or higher ? */
1983 outb(crtc_addr, 7);
1984 if (inb(crtc_addr) == 7) {
1985 u_long pa;
1986 u_long segoff;
1987
1988 crtc_vga = TRUE;
1989 /*
1990 * Get the BIOS video mode pointer.
1991 */
1992 segoff = *(u_long *)pa_to_va(0x4a8);
1993 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff));
1994 if (ISMAPPED(pa, sizeof(u_long))) {
1995 segoff = *(u_long *)pa_to_va(pa);
1996 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff));
1997 if (ISMAPPED(pa, 64))
1998 video_mode_ptr = (char *)pa_to_va(pa);
1999 }
2000 }
2001 current_default = &user_default;
2002 console[0] = &main_console;
2003 init_scp(console[0]);
2004 console[0]->scr_buf = console[0]->mouse_pos = Crtat;
2005 console[0]->cursor_pos = Crtat + hw_cursor;
2006 console[0]->xpos = hw_cursor % COL;
2007 console[0]->ypos = hw_cursor / COL;
2008 cur_console = console[0];
2009 for (i=1; i<MAXCONS; i++)
2010 console[i] = NULL;
2011 kernel_console.esc = 0;
2012 kernel_console.std_attr = kernel_default.std_attr;
2013 kernel_console.rev_attr = kernel_default.rev_attr;
2014 kernel_console.cur_attr = kernel_default.std_attr;
2015 /* initialize mapscrn array to a one to one map */
2016 for (i=0; i<sizeof(scr_map); i++)
2017 scr_map[i] = i;
2018}
2019
2020static scr_stat
2021*alloc_scp()
2022{
2023 scr_stat *scp;
2024
2025 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK);
2026 init_scp(scp);
2027 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos =
2028 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short),
2029 M_DEVBUF, M_WAITOK);
2030 scp->history_head = scp->history_pos = scp->history =
2031 (u_short *)malloc(scp->history_size*sizeof(u_short),
2032 M_DEVBUF, M_WAITOK);
2033 bzero(scp->history_head, scp->history_size*sizeof(u_short));
2034 if (crtc_vga && video_mode_ptr)
2035 set_mode(scp);
2036 clear_screen(scp);
2037 return scp;
2038}
2039
2040static void
2041init_scp(scr_stat *scp)
2042{
2043 scp->mode = M_VGA_C80x25;
2044 scp->font = FONT_16;
2045 scp->xsize = COL;
2046 scp->ysize = ROW;
2047 scp->start = COL * ROW;
2048 scp->end = 0;
2049 scp->term.esc = 0;
2050 scp->term.std_attr = current_default->std_attr;
2051 scp->term.rev_attr = current_default->rev_attr;
2052 scp->term.cur_attr = scp->term.std_attr;
2053 scp->border = BG_BLACK;
2054 scp->cursor_start = *(char *)pa_to_va(0x461);
2055 scp->cursor_end = *(char *)pa_to_va(0x460);
2056 scp->mouse_xpos = scp->mouse_ypos = 0;
2057 scp->bell_pitch = BELL_PITCH;
2058 scp->bell_duration = BELL_DURATION;
2059 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0;
2060 scp->status |= CURSOR_ENABLED;
2061 scp->pid = 0;
2062 scp->proc = NULL;
2063 scp->smode.mode = VT_AUTO;
2064 scp->history_head = scp->history_pos = scp->history = NULL;
2065 scp->history_size = HISTORY_SIZE;
2066}
2067
2068static u_char
2069*get_fstr(u_int c, u_int *len)
2070{
2071 u_int i;
2072
2073 if (!(c & FKEY))
2074 return(NULL);
2075 i = (c & 0xFF) - F_FN;
2076 if (i > n_fkey_tab)
2077 return(NULL);
2078 *len = fkey_tab[i].len;
2079 return(fkey_tab[i].str);
2080}
2081
2082static void
2083update_leds(int which)
2084{
2085 int s;
2086 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 };
2087
2088 /* replace CAPS led with ALTGR led for ALTGR keyboards */
2089 if (key_map.n_keys > ALTGR_OFFSET) {
2090 if (which & ALKED)
2091 which |= CLKED;
2092 else
2093 which &= ~CLKED;
2094 }
2095 s = spltty();
2096 kbd_cmd(KB_SETLEDS);
2097 kbd_cmd(xlate_leds[which & LED_MASK]);
2098 splx(s);
2099}
2100
2101static void
2102history_to_screen(scr_stat *scp)
2103{
2104 int i;
2105
2106 for (i=0; i<scp->ysize; i++)
2107 bcopyw(scp->history + (((scp->history_pos - scp->history) +
2108 scp->history_size-((i+1)*scp->xsize))%scp->history_size),
2109 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)),
2110 scp->xsize * sizeof(u_short));
2111 mark_all(scp);
2112}
2113
2114static int
2115history_up_line(scr_stat *scp)
2116{
2117 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) !=
2118 scp->history_head) {
2119 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize);
2120 history_to_screen(scp);
2121 return 0;
2122 }
2123 else
2124 return -1;
2125}
2126
2127static int
2128history_down_line(scr_stat *scp)
2129{
2130 if (scp->history_pos != scp->history_head) {
2131 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize);
2132 history_to_screen(scp);
2133 return 0;
2134 }
2135 else
2136 return -1;
2137}
2138
2139/*
2140 * scgetc(noblock) - get character from keyboard.
2141 * If noblock = 0 wait until a key is pressed.
2142 * Else return NOKEY.
2143 */
2144u_int
2145scgetc(int noblock)
2146{
2147 u_char scancode, keycode;
2148 u_int state, action;
2149 struct key_t *key;
2150 static u_char esc_flag = 0, compose = 0;
2151 static u_int chr = 0;
2152
2153next_code:
2154 kbd_wait();
2155 /* First see if there is something in the keyboard port */
2156 if (inb(KB_STAT) & KB_BUF_FULL)
2157 scancode = inb(KB_DATA);
2158 else if (noblock)
2159 return(NOKEY);
2160 else
2161 goto next_code;
2162
2163 if (cur_console->status & KBD_RAW_MODE)
2164 return scancode;
2165#if ASYNCH
2166 if (scancode == KB_ACK || scancode == KB_RESEND) {
2167 kbd_reply = scancode;
2168 if (noblock)
2169 return(NOKEY);
2170 goto next_code;
2171 }
2172#endif
2173 keycode = scancode & 0x7F;
2174 switch (esc_flag) {
2175 case 0x00: /* normal scancode */
2176 switch(scancode) {
2177 case 0xB8: /* left alt (compose key) */
2178 if (compose) {
2179 compose = 0;
2180 if (chr > 255) {
2181 do_bell(cur_console,
2182 BELL_PITCH, BELL_DURATION);
2183 chr = 0;
2184 }
2185 }
2186 break;
2187 case 0x38:
2188 if (!compose) {
2189 compose = 1;
2190 chr = 0;
2191 }
2192 break;
2193 case 0xE0:
2194 case 0xE1:
2195 esc_flag = scancode;
2196 goto next_code;
2197 }
2198 break;
2199 case 0xE0: /* 0xE0 prefix */
2200 esc_flag = 0;
2201 switch (keycode) {
2202 case 0x1C: /* right enter key */
2203 keycode = 0x59;
2204 break;
2205 case 0x1D: /* right ctrl key */
2206 keycode = 0x5A;
2207 break;
2208 case 0x35: /* keypad divide key */
2209 keycode = 0x5B;
2210 break;
2211 case 0x37: /* print scrn key */
2212 keycode = 0x5C;
2213 break;
2214 case 0x38: /* right alt key (alt gr) */
2215 keycode = 0x5D;
2216 break;
2217 case 0x47: /* grey home key */
2218 keycode = 0x5E;
2219 break;
2220 case 0x48: /* grey up arrow key */
2221 keycode = 0x5F;
2222 break;
2223 case 0x49: /* grey page up key */
2224 keycode = 0x60;
2225 break;
2226 case 0x4B: /* grey left arrow key */
2227 keycode = 0x61;
2228 break;
2229 case 0x4D: /* grey right arrow key */
2230 keycode = 0x62;
2231 break;
2232 case 0x4F: /* grey end key */
2233 keycode = 0x63;
2234 break;
2235 case 0x50: /* grey down arrow key */
2236 keycode = 0x64;
2237 break;
2238 case 0x51: /* grey page down key */
2239 keycode = 0x65;
2240 break;
2241 case 0x52: /* grey insert key */
2242 keycode = 0x66;
2243 break;
2244 case 0x53: /* grey delete key */
2245 keycode = 0x67;
2246 break;
2247
2248 /* the following 3 are only used on the MS "Natural" keyboard */
2249 case 0x5b: /* left Window key */
2250 keycode = 0x69;
2251 break;
2252 case 0x5c: /* right Window key */
2253 keycode = 0x6a;
2254 break;
2255 case 0x5d: /* menu key */
2256 keycode = 0x6b;
2257 break;
2258 default: /* ignore everything else */
2259 goto next_code;
2260 }
2261 break;
2262 case 0xE1: /* 0xE1 prefix */
2263 esc_flag = 0;
2264 if (keycode == 0x1D)
2265 esc_flag = 0x1D;
2266 goto next_code;
2267 /* NOT REACHED */
2268 case 0x1D: /* pause / break */
2269 esc_flag = 0;
2270 if (keycode != 0x45)
2271 goto next_code;
2272 keycode = 0x68;
2273 break;
2274 }
2275
2276 /* if scroll-lock pressed allow history browsing */
2277 if (cur_console->history && cur_console->status & SLKED) {
2278 int i;
2279
2280 cur_console->status &= ~CURSOR_ENABLED;
2281 if (!(cur_console->status & BUFFER_SAVED)) {
2282 cur_console->status |= BUFFER_SAVED;
2283 cur_console->history_save = cur_console->history_head;
2284
2285 /* copy screen into top of history buffer */
2286 for (i=0; i<cur_console->ysize; i++) {
2287 bcopyw(cur_console->scr_buf + (cur_console->xsize * i),
2288 cur_console->history_head,
2289 cur_console->xsize * sizeof(u_short));
2290 cur_console->history_head += cur_console->xsize;
2291 if (cur_console->history_head + cur_console->xsize >
2292 cur_console->history + cur_console->history_size)
2293 cur_console->history_head=cur_console->history;
2294 }
2295 cur_console->history_pos = cur_console->history_head;
2296 history_to_screen(cur_console);
2297 }
2298 switch (scancode) {
2299 case 0x47: /* home key */
2300 cur_console->history_pos = cur_console->history_head;
2301 history_to_screen(cur_console);
2302 goto next_code;
2303
2304 case 0x4F: /* end key */
2305 cur_console->history_pos =
2306 WRAPHIST(cur_console, cur_console->history_head,
2307 cur_console->xsize*cur_console->ysize);
2308 history_to_screen(cur_console);
2309 goto next_code;
2310
2311 case 0x48: /* up arrow key */
2312 if (history_up_line(cur_console))
2313 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
2314 goto next_code;
2315
2316 case 0x50: /* down arrow key */
2317 if (history_down_line(cur_console))
2318 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
2319 goto next_code;
2320
2321 case 0x49: /* page up key */
2322 for (i=0; i<cur_console->ysize; i++)
2323 if (history_up_line(cur_console)) {
2324 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
2325 break;
2326 }
2327 goto next_code;
2328
2329 case 0x51: /* page down key */
2330 for (i=0; i<cur_console->ysize; i++)
2331 if (history_down_line(cur_console)) {
2332 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
2333 break;
2334 }
2335 goto next_code;
2336 }
2337 }
2338
2339 if (compose) {
2340 switch (scancode) {
2341 /* key pressed process it */
2342 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */
2343 chr = (scancode - 0x40) + chr*10;
2344 goto next_code;
2345 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */
2346 chr = (scancode - 0x47) + chr*10;
2347 goto next_code;
2348 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */
2349 chr = (scancode - 0x4E) + chr*10;
2350 goto next_code;
2351 case 0x52: /* keypad 0 */
2352 chr *= 10;
2353 goto next_code;
2354
2355 /* key release, no interest here */
2356 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */
2357 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */
2358 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */
2359 case 0xD2: /* keypad 0 */
2360 goto next_code;
2361
2362 case 0x38: /* left alt key */
2363 break;
2364 default:
2365 if (chr) {
2366 compose = chr = 0;
2367 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
2368 goto next_code;
2369 }
2370 break;
2371 }
2372 }
2373
2374 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0));
2375 if ((!agrs && (cur_console->status & ALKED))
2376 || (agrs && !(cur_console->status & ALKED)))
2377 keycode += ALTGR_OFFSET;
2378 key = &key_map.key[keycode];
2379 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED))
2380 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) )
2381 state ^= 1;
2382
2383 /* Check for make/break */
2384 action = key->map[state];
2385 if (scancode & 0x80) { /* key released */
2386 if (key->spcl & 0x80) {
2387 switch (action) {
2388 case LSH:
2389 shfts &= ~1;
2390 break;
2391 case RSH:
2392 shfts &= ~2;
2393 break;
2394 case LCTR:
2395 ctls &= ~1;
2396 break;
2397 case RCTR:
2398 ctls &= ~2;
2399 break;
2400 case LALT:
2401 alts &= ~1;
2402 break;
2403 case RALT:
2404 alts &= ~2;
2405 break;
2406 case NLK:
2407 nlkcnt = 0;
2408 break;
2409 case CLK:
2410 clkcnt = 0;
2411 break;
2412 case SLK:
2413 slkcnt = 0;
2414 break;
2415 case ASH:
2416 agrs = 0;
2417 break;
2418 case ALK:
2419 alkcnt = 0;
2420 break;
2421 case META:
2422 metas = 0;
2423 break;
2424 }
2425 }
2426 if (chr && !compose) {
2427 action = chr;
2428 chr = 0;
2429 return(action);
2430 }
2431 } else {
2432 /* key pressed */
2433 if (key->spcl & (0x80>>state)) {
2434 switch (action) {
2435 /* LOCKING KEYS */
2436 case NLK:
2437 if (!nlkcnt) {
2438 nlkcnt++;
2439 if (cur_console->status & NLKED)
2440 cur_console->status &= ~NLKED;
2441 else
2442 cur_console->status |= NLKED;
2443 update_leds(cur_console->status);
2444 }
2445 break;
2446 case CLK:
2447 if (!clkcnt) {
2448 clkcnt++;
2449 if (cur_console->status & CLKED)
2450 cur_console->status &= ~CLKED;
2451 else
2452 cur_console->status |= CLKED;
2453 update_leds(cur_console->status);
2454 }
2455 break;
2456 case SLK:
2457 if (!slkcnt) {
2458 slkcnt++;
2459 if (cur_console->status & SLKED) {
2460 cur_console->status &= ~SLKED;
2461 if (cur_console->status & BUFFER_SAVED){
2462 int i;
2463 u_short *ptr = cur_console->history_save;
2464
2465 for (i=0; i<cur_console->ysize; i++) {
2466 bcopyw(ptr,
2467 cur_console->scr_buf +
2468 (cur_console->xsize*i),
2469 cur_console->xsize * sizeof(u_short));
2470 ptr += cur_console->xsize;
2471 if (ptr + cur_console->xsize >
2472 cur_console->history +
2473 cur_console->history_size)
2474 ptr = cur_console->history;
2475 }
2476 cur_console->status &= ~BUFFER_SAVED;
2477 cur_console->history_head=cur_console->history_save;
2478 cur_console->status |= CURSOR_ENABLED;
2479 mark_all(cur_console);
2480 }
2481 scstart(VIRTUAL_TTY(get_scr_num()));
2482 }
2483 else
2484 cur_console->status |= SLKED;
2485 update_leds(cur_console->status);
2486 }
2487 break;
2488 case ALK:
2489 if (!alkcnt) {
2490 alkcnt++;
2491 if (cur_console->status & ALKED)
2492 cur_console->status &= ~ALKED;
2493 else
2494 cur_console->status |= ALKED;
2495 update_leds(cur_console->status);
2496 }
2497 break;
2498
2499 /* NON-LOCKING KEYS */
2500 case NOP:
2501 break;
2502 case RBT:
2503 shutdown_nice();
2504 break;
2505 case SUSP:
2506#if NAPM > 0
2507 apm_suspend();
2508#endif
2509 break;
2510
2511 case DBG:
2512#ifdef DDB /* try to switch to console 0 */
2513 if (cur_console->smode.mode == VT_AUTO &&
2514 console[0]->smode.mode == VT_AUTO)
2515 switch_scr(cur_console, 0);
2516 Debugger("manual escape to debugger");
2517 return(NOKEY);
2518#else
2519 printf("No debugger in kernel\n");
2520#endif
2521 break;
2522 case LSH:
2523 shfts |= 1;
2524 break;
2525 case RSH:
2526 shfts |= 2;
2527 break;
2528 case LCTR:
2529 ctls |= 1;
2530 break;
2531 case RCTR:
2532 ctls |= 2;
2533 break;
2534 case LALT:
2535 alts |= 1;
2536 break;
2537 case RALT:
2538 alts |= 2;
2539 break;
2540 case ASH:
2541 agrs = 1;
2542 break;
2543 case META:
2544 metas = 1;
2545 break;
2546 case NEXT:
2547 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS);
2548 break;
2549 case BTAB:
2550 return(BKEY);
2551 default:
2552 if (action >= F_SCR && action <= L_SCR) {
2553 switch_scr(cur_console, action - F_SCR);
2554 break;
2555 }
2556 if (action >= F_FN && action <= L_FN)
2557 action |= FKEY;
2558 return(action);
2559 }
2560 }
2561 else {
2562 if (metas)
2563 action |= MKEY;
2564 return(action);
2565 }
2566 }
2567 goto next_code;
2568}
2569
2570int
2571scmmap(dev_t dev, int offset, int nprot)
2572{
2573 if (offset > 0x20000 - PAGE_SIZE)
2574 return -1;
2575 return i386_btop((VIDEOMEM + offset));
2576}
2577
2578static void
2579kbd_wait(void)
2580{
2581 int i = 1000;
2582
2583 while (i--) {
2584 if ((inb(KB_STAT) & KB_READY) == 0)
2585 break;
2586 DELAY (10);
2587 }
2588}
2589
2590static void
2591kbd_cmd(u_char command)
2592{
2593 int retry = 5;
2594 do {
2595 int i = 100000;
2596
2597 kbd_wait();
2598#if ASYNCH
2599 kbd_reply = 0;
2600 outb(KB_DATA, command);
2601 while (i--) {
2602 if (kbd_reply == KB_ACK)
2603 return;
2604 if (kbd_reply == KB_RESEND)
2605 break;
2606 }
2607#else
2608 outb(KB_DATA, command);
2609 while (i--) {
2610 if (inb(KB_STAT) & KB_BUF_FULL) {
2611 int val;
2612 DELAY(10);
2613 val = inb(KB_DATA);
2614 if (val == KB_ACK)
2615 return;
2616 if (val == KB_RESEND)
2617 break;
2618 }
2619 }
2620#endif
2621 } while (retry--);
2622}
2623
2624static void
2625set_mode(scr_stat *scp)
2626{
2627 char *modetable;
2628 char special_modetable[64];
2629 int mode, font_size;
2630
2631 if (scp != cur_console)
2632 return;
2633
2634 /* setup video hardware for the given mode */
2635 switch (scp->mode) {
2636 case M_VGA_M80x60:
2637 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64);
2638 goto special_80x60;
2639
2640 case M_VGA_C80x60:
2641 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64);
2642special_80x60:
2643 special_modetable[2] = 0x08;
2644 special_modetable[19] = 0x47;
2645 goto special_480l;
2646
2647 case M_VGA_M80x30:
2648 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64);
2649 goto special_80x30;
2650
2651 case M_VGA_C80x30:
2652 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64);
2653special_80x30:
2654 special_modetable[19] = 0x4f;
2655special_480l:
2656 special_modetable[9] |= 0xc0;
2657 special_modetable[16] = 0x08;
2658 special_modetable[17] = 0x3e;
2659 special_modetable[26] = 0xea;
2660 special_modetable[28] = 0xdf;
2661 special_modetable[31] = 0xe7;
2662 special_modetable[32] = 0x04;
2663 modetable = special_modetable;
2664 goto setup_mode;
2665
2666 case M_ENH_B80x43:
2667 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64);
2668 goto special_80x43;
2669
2670 case M_ENH_C80x43:
2671 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64);
2672special_80x43:
2673 special_modetable[28] = 87;
2674 goto special_80x50;
2675
2676 case M_VGA_M80x50:
2677 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64);
2678 goto special_80x50;
2679
2680 case M_VGA_C80x50:
2681 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64);
2682special_80x50:
2683 special_modetable[2] = 8;
2684 special_modetable[19] = 7;
2685 modetable = special_modetable;
2686 goto setup_mode;
2687
2688 case M_VGA_C40x25: case M_VGA_C80x25:
2689 case M_VGA_M80x25:
2690 case M_B40x25: case M_C40x25:
2691 case M_B80x25: case M_C80x25:
2692 case M_ENH_B40x25: case M_ENH_C40x25:
2693 case M_ENH_B80x25: case M_ENH_C80x25:
2694
2695 modetable = video_mode_ptr + (scp->mode * 64);
2696setup_mode:
2697 set_vgaregs(modetable);
2698 font_size = *(modetable + 2);
2699
2700 /* set font type (size) */
2701 switch (font_size) {
2702 case 0x10:
2703 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */
2704 scp->font = FONT_16;
2705 break;
2706 case 0x0E:
2707 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */
2708 scp->font = FONT_14;
2709 break;
2710 default:
2711 case 0x08:
2712 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */
2713 scp->font = FONT_8;
2714 break;
2715 }
2716 if (configuration & CHAR_CURSOR)
2717 set_destructive_cursor(scp, TRUE);
2718 break;
2719
2720 case M_BG320: case M_CG320: case M_BG640:
2721 case M_CG320_D: case M_CG640_E:
2722 case M_CG640x350: case M_ENH_CG640:
2723 case M_BG640x480: case M_CG640x480: case M_VGA_CG320:
2724
2725 set_vgaregs(video_mode_ptr + (scp->mode * 64));
2726 break;
2727
2728 default:
2729 /* call user defined function XXX */
2730 break;
2731 }
2732
2733 /* set border color for this (virtual) console */
2734 set_border(scp->border);
2735 return;
2736}
2737
2738void
2739set_border(int color)
2740{
2741 inb(crtc_addr+6); /* reset flip-flop */
2742 outb(ATC, 0x11); outb(ATC, color);
2743 inb(crtc_addr+6); /* reset flip-flop */
2744 outb(ATC, 0x20); /* enable Palette */
2745}
2746
2747static void
2748set_vgaregs(char *modetable)
2749{
2750 int i, s = splhigh();
2751
2752 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */
2753 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */
2754 for (i=0; i<4; i++) { /* program sequencer */
2755 outb(TSIDX, i+1);
2756 outb(TSREG, modetable[i+5]);
2757 }
2758 outb(MISC, modetable[9]); /* set dot-clock */
2759 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */
2760 outb(crtc_addr, 0x11);
2761 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F);
2762 for (i=0; i<25; i++) { /* program crtc */
2763 outb(crtc_addr, i);
2764 if (i == 14 || i == 15) /* no hardware cursor */
2765 outb(crtc_addr+1, 0xff);
2766 else
2767 outb(crtc_addr+1, modetable[i+10]);
2768 }
2769 inb(crtc_addr+6); /* reset flip-flop */
2770 for (i=0; i<20; i++) { /* program attribute ctrl */
2771 outb(ATC, i);
2772 outb(ATC, modetable[i+35]);
2773 }
2774 for (i=0; i<9; i++) { /* program graph data ctrl */
2775 outb(GDCIDX, i);
2776 outb(GDCREG, modetable[i+55]);
2777 }
2778 inb(crtc_addr+6); /* reset flip-flop */
2779 outb(ATC ,0x20); /* enable palette */
2780 splx(s);
2781}
2782
2783static void
2784set_font_mode()
2785{
2786 /* setup vga for loading fonts (graphics plane mode) */
2787 inb(crtc_addr+6);
2788 outb(ATC, 0x30); outb(ATC, 0x01);
2789#if SLOW_VGA
2790 outb(TSIDX, 0x02); outb(TSREG, 0x04);
2791 outb(TSIDX, 0x04); outb(TSREG, 0x06);
2792 outb(GDCIDX, 0x04); outb(GDCREG, 0x02);
2793 outb(GDCIDX, 0x05); outb(GDCREG, 0x00);
2794 outb(GDCIDX, 0x06); outb(GDCREG, 0x05);
2795#else
2796 outw(TSIDX, 0x0402);
2797 outw(TSIDX, 0x0604);
2798 outw(GDCIDX, 0x0204);
2799 outw(GDCIDX, 0x0005);
2800 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */
2801#endif
2802}
2803
2804static void
2805set_normal_mode()
2806{
2807 int s = splhigh();
2808
2809 /* setup vga for normal operation mode again */
2810 inb(crtc_addr+6);
2811 outb(ATC, 0x30); outb(ATC, 0x0C);
2812#if SLOW_VGA
2813 outb(TSIDX, 0x02); outb(TSREG, 0x03);
2814 outb(TSIDX, 0x04); outb(TSREG, 0x02);
2815 outb(GDCIDX, 0x04); outb(GDCREG, 0x00);
2816 outb(GDCIDX, 0x05); outb(GDCREG, 0x10);
2817 if (crtc_addr == MONO_BASE) {
2818 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */
2819 }
2820 else {
2821 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */
2822 }
2823#else
2824 outw(TSIDX, 0x0302);
2825 outw(TSIDX, 0x0204);
2826 outw(GDCIDX, 0x0004);
2827 outw(GDCIDX, 0x1005);
2828 if (crtc_addr == MONO_BASE)
2829 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */
2830 else
2831 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */
2832#endif
2833 splx(s);
2834}
2835
2836static void
2837copy_font(int operation, int font_type, char* font_image)
2838{
2839 int ch, line, segment, fontsize;
2840 u_char val;
2841
2842 switch (font_type) {
2843 default:
2844 case FONT_8:
2845 segment = 0x8000;
2846 fontsize = 8;
2847 break;
2848 case FONT_14:
2849 segment = 0x4000;
2850 fontsize = 14;
2851 break;
2852 case FONT_16:
2853 segment = 0x0000;
2854 fontsize = 16;
2855 break;
2856 }
2857 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */
2858 outb(TSIDX, 0x01); outb(TSREG, val | 0x20);
2859 set_font_mode();
2860 for (ch=0; ch < 256; ch++)
2861 for (line=0; line < fontsize; line++)
2862 if (operation)
2863 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) =
2864 font_image[(ch*fontsize)+line];
2865 else
2866 font_image[(ch*fontsize)+line] =
2867 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line);
2868 set_normal_mode();
2869 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */
2870}
2871
2872static void
2873set_destructive_cursor(scr_stat *scp, int force)
2874{
2875 u_char cursor[32];
2876 caddr_t address;
2877 int i, font_size;
2878 char *font_buffer;
2879 static u_char old_saveunder = DEAD_CHAR;
2880
2881 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder)
2882 return;
2883 old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF;
2884 switch (scp->font) {
2885 default:
2886 case FONT_8:
2887 font_size = 8;
2888 font_buffer = font_8;
2889 address = (caddr_t)VIDEOMEM + 0x8000;
2890 break;
2891 case FONT_14:
2892 font_size = 14;
2893 font_buffer = font_14;
2894 address = (caddr_t)VIDEOMEM + 0x4000;
2895 break;
2896 case FONT_16:
2897 font_size = 16;
2898 font_buffer = font_16;
2899 address = (caddr_t)VIDEOMEM;
2900 break;
2901 }
2902 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size),
2903 cursor, font_size);
2904 for (i=0; i<32; i++)
2905 if ((i >= scp->cursor_start && i <= scp->cursor_end) ||
2906 (scp->cursor_start >= font_size && i == font_size - 1))
2907 cursor[i] |= 0xff;
2908 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ;
2909 set_font_mode();
2910 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32);
2911 set_normal_mode();
2912}
2913
2914static void
2915draw_mouse_image(scr_stat *scp)
2916{
2917 caddr_t address;
2918 int i, font_size;
2919 char *font_buffer;
2920 u_short buffer[32];
2921 u_short xoffset, yoffset;
2922 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf);
2923
2924 xoffset = scp->mouse_xpos % 8;
2925 switch (scp->font) {
2926 default:
2927 case FONT_8:
2928 font_size = 8;
2929 font_buffer = font_8;
2930 yoffset = scp->mouse_ypos % 8;
2931 address = (caddr_t)VIDEOMEM + 0x8000;
2932 break;
2933 case FONT_14:
2934 font_size = 14;
2935 font_buffer = font_14;
2936 yoffset = scp->mouse_ypos % 14;
2937 address = (caddr_t)VIDEOMEM + 0x4000;
2938 break;
2939 case FONT_16:
2940 font_size = 16;
2941 font_buffer = font_16;
2942 yoffset = scp->mouse_ypos % 16;
2943 address = (caddr_t)VIDEOMEM;
2944 break;
2945 }
2946
2947 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size),
2948 &scp->mouse_cursor[0], font_size);
2949 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size),
2950 &scp->mouse_cursor[32], font_size);
2951 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size),
2952 &scp->mouse_cursor[64], font_size);
2953 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size),
2954 &scp->mouse_cursor[96], font_size);
2955
2956 for (i=0; i<font_size; i++) {
2957 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32];
2958 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96];
2959 }
2960 for (i=0; i<16; i++) {
2961 buffer[i+yoffset] =
2962 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset))
2963 | (mouse_or_mask[i] >> xoffset);
2964 }
2965 for (i=0; i<font_size; i++) {
2966 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8;
2967 scp->mouse_cursor[i+32] = buffer[i] & 0xff;
2968 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8;
2969 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff;
2970 }
2971 if (scp->status & UPDATE_MOUSE) {
2972 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat);
2973
2974 if (crt_pos != scp->mouse_oldpos) {
2975 *(scp->mouse_oldpos) = scp->mouse_saveunder[0];
2976 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1];
2977 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2];
2978 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3];
2979 }
2980 scp->mouse_saveunder[0] = *(scp->mouse_pos);
2981 scp->mouse_saveunder[1] = *(scp->mouse_pos+1);
2982 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize);
2983 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1);
2984 if ((scp->cursor_pos == (ptr)) ||
2985 (scp->cursor_pos == (ptr+1)) ||
2986 (scp->cursor_pos == (ptr+scp->xsize)) ||
2987 (scp->cursor_pos == (ptr+scp->xsize+1)) ||
2988 (scp->cursor_pos == (scp->mouse_pos)) ||
2989 (scp->cursor_pos == (scp->mouse_pos+1)) ||
2990 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) ||
2991 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1)))
2992 scp->status &= ~CURSOR_SHOWN;
2993 }
2994 scp->mouse_oldpos = crt_pos;
2995 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ;
2996 *(crt_pos) = *(scp->mouse_pos)&0xff00|0xd0;
2997 *(crt_pos+1) = *(scp->mouse_pos+1)&0xff00|0xd1;
2998 *(crt_pos+scp->xsize) = *(scp->mouse_pos+scp->xsize)&0xff00|0xd2;
2999 *(crt_pos+scp->xsize+1) = *(scp->mouse_pos+scp->xsize+1)&0xff00|0xd3;
3000 set_font_mode();
3001 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128);
3002 set_normal_mode();
3003}
3004
3005static void
3006save_palette(void)
3007{
3008 int i;
3009
3010 outb(PALRADR, 0x00);
3011 for (i=0x00; i<0x300; i++)
3012 palette[i] = inb(PALDATA);
3013 inb(crtc_addr+6); /* reset flip/flop */
3014}
3015
3016void
3017load_palette(void)
3018{
3019 int i;
3020
3021 outb(PIXMASK, 0xFF); /* no pixelmask */
3022 outb(PALWADR, 0x00);
3023 for (i=0x00; i<0x300; i++)
3024 outb(PALDATA, palette[i]);
3025 inb(crtc_addr+6); /* reset flip/flop */
3026 outb(ATC, 0x20); /* enable palette */
3027}
3028
3029static void
3030do_bell(scr_stat *scp, int pitch, int duration)
3031{
3032 if (scp == cur_console) {
3033 if (configuration & VISUAL_BELL) {
3034 if (blink_in_progress)
3035 return;
3036 blink_in_progress = 4;
3037 blink_screen(scp);
3038 timeout((timeout_func_t)blink_screen, scp, hz/10);
3039 }
3040 else
3041 sysbeep(pitch, duration);
3042 }
3043}
3044
3045static void
3046blink_screen(scr_stat *scp)
3047{
3048 if (blink_in_progress > 1) {
3049 if (blink_in_progress & 1)
3050 fillw(kernel_default.std_attr | scr_map[0x20],
3051 Crtat, scp->xsize * scp->ysize);
3052 else
3053 fillw(kernel_default.rev_attr | scr_map[0x20],
3054 Crtat, scp->xsize * scp->ysize);
3055 blink_in_progress--;
3056 timeout((timeout_func_t)blink_screen, scp, hz/10);
3057 }
3058 else {
3059 blink_in_progress = FALSE;
3060 mark_all(scp);
3061 if (delayed_next_scr)
3062 switch_scr(scp, delayed_next_scr - 1);
3063 }
3064}
3065
3066#endif /* NSC */
| 195 kbd_wait();
196#endif /* XT_KEYBOARD */
197 return (IO_KBDSIZE);
198}
199
200static struct kern_devconf kdc_sc[NSC] = {
201 0, 0, 0, /* filled in by dev_attach */
202 "sc", 0, { MDDT_ISA, 0, "tty" },
203 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN,
204 &kdc_isa0, /* parent */
205 0, /* parentdata */
206 DC_BUSY, /* the console is almost always busy */
207 "Graphics console",
208 DC_CLS_DISPLAY /* class */
209};
210
211static inline void
212sc_registerdev(struct isa_device *id)
213{
214 if(id->id_unit)
215 kdc_sc[id->id_unit] = kdc_sc[0];
216 kdc_sc[id->id_unit].kdc_unit = id->id_unit;
217 kdc_sc[id->id_unit].kdc_isa = id;
218 dev_attach(&kdc_sc[id->id_unit]);
219}
220
221#if NAPM > 0
222static int
223scresume(void *dummy)
224{
225 shfts = 0;
226 ctls = 0;
227 alts = 0;
228 agrs = 0;
229 metas = 0;
230 return 0;
231}
232#endif
233
234int
235scattach(struct isa_device *dev)
236{
237 scr_stat *scp;
238
239 scinit();
240 configuration = dev->id_flags;
241
242 scp = console[0];
243
244 if (crtc_vga) {
245 font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT);
246 font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT);
247 font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT);
248 copy_font(SAVE, FONT_16, font_16);
249 fonts_loaded = FONT_16;
250 scp->font = FONT_16;
251 save_palette();
252 }
253
254 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short),
255 M_DEVBUF, M_NOWAIT);
256 /* copy screen to buffer */
257 bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short));
258 scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize;
259 scp->mouse_pos = scp->scr_buf;
260
261 /* initialize history buffer & pointers */
262 scp->history_head = scp->history_pos = scp->history =
263 (u_short *)malloc(scp->history_size*sizeof(u_short),
264 M_DEVBUF, M_NOWAIT);
265 bzero(scp->history_head, scp->history_size*sizeof(u_short));
266
267 /* initialize cursor stuff */
268 draw_cursor(scp, TRUE);
269 if (crtc_vga && (configuration & CHAR_CURSOR))
270 set_destructive_cursor(scp, TRUE);
271
272 /* get screen update going */
273 scrn_timer();
274
275 update_leds(scp->status);
276 sc_registerdev(dev);
277
278 printf("sc%d: ", dev->id_unit);
279 if (crtc_vga)
280 if (crtc_addr == MONO_BASE)
281 printf("VGA mono");
282 else
283 printf("VGA color");
284 else
285 if (crtc_addr == MONO_BASE)
286 printf("MDA/hercules");
287 else
288 printf("CGA/EGA");
289 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration);
290
291#if NAPM > 0
292 scp->r_hook.ah_fun = scresume;
293 scp->r_hook.ah_arg = NULL;
294 scp->r_hook.ah_name = "system keyboard";
295 scp->r_hook.ah_order = APM_MID_ORDER;
296 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook);
297#endif
298 return 0;
299}
300
301struct tty
302*scdevtotty(dev_t dev)
303{
304 int unit = minor(dev);
305
306 if (unit > MAXCONS || unit < 0)
307 return(NULL);
308 if (unit == MAXCONS)
309 return CONSOLE_TTY;
310 return VIRTUAL_TTY(unit);
311}
312
313static scr_stat
314*get_scr_stat(dev_t dev)
315{
316 int unit = minor(dev);
317
318 if (unit > MAXCONS || unit < 0)
319 return(NULL);
320 if (unit == MAXCONS)
321 return console[0];
322 return console[unit];
323}
324
325static int
326get_scr_num()
327{
328 int i = 0;
329
330 while ((i < MAXCONS) && (cur_console != console[i]))
331 i++;
332 return i < MAXCONS ? i : 0;
333}
334
335int
336scopen(dev_t dev, int flag, int mode, struct proc *p)
337{
338 struct tty *tp = scdevtotty(dev);
339
340 if (!tp)
341 return(ENXIO);
342
343 tp->t_oproc = scstart;
344 tp->t_param = scparam;
345 tp->t_dev = dev;
346 if (!(tp->t_state & TS_ISOPEN)) {
347 ttychars(tp);
348 tp->t_iflag = TTYDEF_IFLAG;
349 tp->t_oflag = TTYDEF_OFLAG;
350 tp->t_cflag = TTYDEF_CFLAG;
351 tp->t_lflag = TTYDEF_LFLAG;
352 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
353 scparam(tp, &tp->t_termios);
354 ttsetwater(tp);
355 (*linesw[tp->t_line].l_modem)(tp, 1);
356 }
357 else
358 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0)
359 return(EBUSY);
360 if (!console[minor(dev)])
361 console[minor(dev)] = alloc_scp();
362 return((*linesw[tp->t_line].l_open)(dev, tp));
363}
364
365int
366scclose(dev_t dev, int flag, int mode, struct proc *p)
367{
368 struct tty *tp = scdevtotty(dev);
369 struct scr_stat *scp;
370
371 if (!tp)
372 return(ENXIO);
373 if (minor(dev) < MAXCONS) {
374 scp = get_scr_stat(tp->t_dev);
375 if (scp->status & SWITCH_WAIT_ACQ)
376 wakeup((caddr_t)&scp->smode);
377#if not_yet_done
378 if (scp == &main_console) {
379 scp->pid = 0;
380 scp->proc = NULL;
381 scp->smode.mode = VT_AUTO;
382 }
383 else {
384 free(scp->scr_buf, M_DEVBUF);
385 free(scp->history, M_DEVBUF);
386 free(scp, M_DEVBUF);
387 console[minor(dev)] = NULL;
388 }
389#else
390 scp->pid = 0;
391 scp->proc = NULL;
392 scp->smode.mode = VT_AUTO;
393#endif
394 }
395 (*linesw[tp->t_line].l_close)(tp, flag);
396 ttyclose(tp);
397 return(0);
398}
399
400int
401scread(dev_t dev, struct uio *uio, int flag)
402{
403 struct tty *tp = scdevtotty(dev);
404
405 if (!tp)
406 return(ENXIO);
407 return((*linesw[tp->t_line].l_read)(tp, uio, flag));
408}
409
410int
411scwrite(dev_t dev, struct uio *uio, int flag)
412{
413 struct tty *tp = scdevtotty(dev);
414
415 if (!tp)
416 return(ENXIO);
417 return((*linesw[tp->t_line].l_write)(tp, uio, flag));
418}
419
420void
421scintr(int unit)
422{
423 static struct tty *cur_tty;
424 int c, len;
425 u_char *cp;
426
427 /* make screensaver happy */
428 scrn_time_stamp = time.tv_sec;
429 if (scrn_blanked) {
430 (*current_saver)(FALSE);
431 cur_console->start = 0;
432 cur_console->end = cur_console->xsize * cur_console->ysize;
433 }
434
435 c = scgetc(1);
436
437 cur_tty = VIRTUAL_TTY(get_scr_num());
438 if (!(cur_tty->t_state & TS_ISOPEN))
439 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN))
440 return;
441
442 switch (c & 0xff00) {
443 case 0x0000: /* normal key */
444 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty);
445 break;
446 case NOKEY: /* nothing there */
447 break;
448 case FKEY: /* function key, return string */
449 if (cp = get_fstr((u_int)c, (u_int *)&len)) {
450 while (len-- > 0)
451 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty);
452 }
453 break;
454 case MKEY: /* meta is active, prepend ESC */
455 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
456 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty);
457 break;
458 case BKEY: /* backtab fixed sequence (esc [ Z) */
459 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
460 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty);
461 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty);
462 break;
463 }
464}
465
466int
467scparam(struct tty *tp, struct termios *t)
468{
469 tp->t_ispeed = t->c_ispeed;
470 tp->t_ospeed = t->c_ospeed;
471 tp->t_cflag = t->c_cflag;
472 return 0;
473}
474
475int
476scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
477{
478 int i, error;
479 struct tty *tp;
480 struct trapframe *fp;
481 scr_stat *scp;
482
483 tp = scdevtotty(dev);
484 if (!tp)
485 return ENXIO;
486 scp = get_scr_stat(tp->t_dev);
487
488 switch (cmd) { /* process console hardware related ioctl's */
489
490 case GIO_ATTR: /* get current attributes */
491 *(int*)data = scp->term.cur_attr;
492 return 0;
493
494 case GIO_COLOR: /* is this a color console ? */
495 if (crtc_addr == COLOR_BASE)
496 *(int*)data = 1;
497 else
498 *(int*)data = 0;
499 return 0;
500
501 case CONS_CURRENT: /* get current adapter type */
502 if (crtc_vga)
503 *(int*)data = KD_VGA;
504 else
505 if (crtc_addr == MONO_BASE)
506 *(int*)data = KD_MONO;
507 else
508 *(int*)data = KD_CGA;
509 return 0;
510
511 case CONS_GET: /* get current video mode */
512 *(int*)data = scp->mode;
513 return 0;
514
515 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */
516 scrn_blank_time = *(int*)data;
517 return 0;
518
519 case CONS_CURSORTYPE: /* set cursor type blink/noblink */
520 if ((*(int*)data) & 0x01)
521 configuration |= BLINK_CURSOR;
522 else
523 configuration &= ~BLINK_CURSOR;
524 if ((*(int*)data) & 0x02) {
525 configuration |= CHAR_CURSOR;
526 set_destructive_cursor(scp, TRUE);
527 } else
528 configuration &= ~CHAR_CURSOR;
529 return 0;
530
531 case CONS_BELLTYPE: /* set bell type sound/visual */
532 if (*data)
533 configuration |= VISUAL_BELL;
534 else
535 configuration &= ~VISUAL_BELL;
536 return 0;
537
538 case CONS_HISTORY: /* set history size */
539 if (*data) {
540 free(scp->history, M_DEVBUF);
541 scp->history_size = *(int*)data;
542 if (scp->history_size < scp->ysize)
543 scp->history = NULL;
544 else {
545 scp->history_size *= scp->xsize;
546 scp->history_head = scp->history_pos = scp->history =
547 (u_short *)malloc(scp->history_size*sizeof(u_short),
548 M_DEVBUF, M_WAITOK);
549 bzero(scp->history_head, scp->history_size*sizeof(u_short));
550 }
551 return 0;
552 }
553 else
554 return EINVAL;
555
556 case CONS_MOUSECTL: /* control mouse arrow */
557 {
558 mouse_info_t *mouse = (mouse_info_t*)data;
559 int fontsize;
560
561 switch (scp->font) {
562 default:
563 case FONT_8:
564 fontsize = 8; break;
565 case FONT_14:
566 fontsize = 14; break;
567 case FONT_16:
568 fontsize = 16; break;
569 }
570 switch (mouse->operation) {
571 case MOUSE_SHOW:
572 if (!(scp->status & MOUSE_ENABLED)) {
573 scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf);
574 scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED);
575 }
576 else
577 return EINVAL;
578 break;
579
580 case MOUSE_HIDE:
581 if (scp->status & MOUSE_ENABLED) {
582 scp->status &= ~MOUSE_ENABLED;
583 scp->status |= UPDATE_MOUSE;
584 }
585 else
586 return EINVAL;
587 break;
588
589 case MOUSE_MOVEABS:
590 scp->mouse_xpos = mouse->x;
591 scp->mouse_ypos = mouse->y;
592 goto set_mouse_pos;
593
594 case MOUSE_MOVEREL:
595 scp->mouse_xpos += mouse->x;
596 scp->mouse_ypos += mouse->y;
597set_mouse_pos:
598 if (scp->mouse_xpos < 0)
599 scp->mouse_xpos = 0;
600 if (scp->mouse_ypos < 0)
601 scp->mouse_ypos = 0;
602 if (scp->mouse_xpos >= scp->xsize*8)
603 scp->mouse_xpos = (scp->xsize*8)-1;
604 if (scp->mouse_ypos >= scp->ysize*fontsize)
605 scp->mouse_ypos = (scp->ysize*fontsize)-1;
606 scp->mouse_pos = scp->scr_buf +
607 (scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8;
608 if (scp->status & MOUSE_ENABLED)
609 scp->status |= UPDATE_MOUSE;
610 break;
611
612 case MOUSE_GETPOS:
613 mouse->x = scp->mouse_xpos;
614 mouse->y = scp->mouse_ypos;
615 return 0;
616
617 default:
618 return EINVAL;
619 }
620 /* make screensaver happy */
621 if (scp == cur_console) {
622 scrn_time_stamp = time.tv_sec;
623 if (scrn_blanked) {
624 (*current_saver)(FALSE);
625 cur_console->start = 0;
626 cur_console->end = cur_console->xsize * cur_console->ysize;
627 }
628 }
629 return 0;
630 }
631
632 case CONS_GETINFO: /* get current (virtual) console info */
633 {
634 vid_info_t *ptr = (vid_info_t*)data;
635 if (ptr->size == sizeof(struct vid_info)) {
636 ptr->m_num = get_scr_num();
637 ptr->mv_col = scp->xpos;
638 ptr->mv_row = scp->ypos;
639 ptr->mv_csz = scp->xsize;
640 ptr->mv_rsz = scp->ysize;
641 ptr->mv_norm.fore = (scp->term.std_attr & 0x0f00)>>8;
642 ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12;
643 ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8;
644 ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12;
645 ptr->mv_grfc.fore = 0; /* not supported */
646 ptr->mv_grfc.back = 0; /* not supported */
647 ptr->mv_ovscan = scp->border;
648 ptr->mk_keylock = scp->status & LOCK_KEY_MASK;
649 return 0;
650 }
651 return EINVAL;
652 }
653
654 case CONS_GETVERS: /* get version number */
655 *(int*)data = 0x200; /* version 2.0 */
656 return 0;
657
658 /* VGA TEXT MODES */
659 case SW_VGA_C40x25:
660 case SW_VGA_C80x25: case SW_VGA_M80x25:
661 case SW_VGA_C80x30: case SW_VGA_M80x30:
662 case SW_VGA_C80x50: case SW_VGA_M80x50:
663 case SW_VGA_C80x60: case SW_VGA_M80x60:
664 case SW_B40x25: case SW_C40x25:
665 case SW_B80x25: case SW_C80x25:
666 case SW_ENH_B40x25: case SW_ENH_C40x25:
667 case SW_ENH_B80x25: case SW_ENH_C80x25:
668 case SW_ENH_B80x43: case SW_ENH_C80x43:
669
670 if (!crtc_vga || video_mode_ptr == NULL)
671 return ENXIO;
672 switch (cmd & 0xff) {
673 case M_VGA_C80x60: case M_VGA_M80x60:
674 if (!(fonts_loaded & FONT_8))
675 return EINVAL;
676 scp->xsize = 80;
677 scp->ysize = 60;
678 break;
679 case M_VGA_C80x50: case M_VGA_M80x50:
680 if (!(fonts_loaded & FONT_8))
681 return EINVAL;
682 scp->xsize = 80;
683 scp->ysize = 50;
684 break;
685 case M_ENH_B80x43: case M_ENH_C80x43:
686 if (!(fonts_loaded & FONT_8))
687 return EINVAL;
688 scp->xsize = 80;
689 scp->ysize = 43;
690 break;
691 case M_VGA_C80x30: case M_VGA_M80x30:
692 scp->xsize = 80;
693 scp->ysize = 30;
694 break;
695 default:
696 if ((cmd & 0xff) > M_VGA_CG320)
697 return EINVAL;
698 else
699 scp->xsize = *(video_mode_ptr+((cmd&0xff)*64));
700 scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1;
701 break;
702 }
703 scp->mode = cmd & 0xff;
704 scp->status &= ~UNKNOWN_MODE; /* text mode */
705 free(scp->scr_buf, M_DEVBUF);
706 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short),
707 M_DEVBUF, M_WAITOK);
708 if (scp == cur_console)
709 set_mode(scp);
710 clear_screen(scp);
711 if (tp->t_winsize.ws_col != scp->xsize
712 || tp->t_winsize.ws_row != scp->ysize) {
713 tp->t_winsize.ws_col = scp->xsize;
714 tp->t_winsize.ws_row = scp->ysize;
715 pgsignal(tp->t_pgrp, SIGWINCH, 1);
716 }
717 return 0;
718
719 /* GRAPHICS MODES */
720 case SW_BG320: case SW_BG640:
721 case SW_CG320: case SW_CG320_D: case SW_CG640_E:
722 case SW_CG640x350: case SW_ENH_CG640:
723 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320:
724
725 if (!crtc_vga || video_mode_ptr == NULL)
726 return ENXIO;
727 scp->mode = cmd & 0xFF;
728 scp->status |= UNKNOWN_MODE; /* graphics mode */
729 scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8;
730 scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) *
731 (*(video_mode_ptr + (scp->mode*64) + 2));
732 set_mode(scp);
733 /* clear_graphics();*/
734
735 if (tp->t_winsize.ws_xpixel != scp->xsize
736 || tp->t_winsize.ws_ypixel != scp->ysize) {
737 tp->t_winsize.ws_xpixel = scp->xsize;
738 tp->t_winsize.ws_ypixel = scp->ysize;
739 pgsignal(tp->t_pgrp, SIGWINCH, 1);
740 }
741 return 0;
742
743 case VT_SETMODE: /* set screen switcher mode */
744 bcopy(data, &scp->smode, sizeof(struct vt_mode));
745 if (scp->smode.mode == VT_PROCESS) {
746 scp->proc = p;
747 scp->pid = scp->proc->p_pid;
748 }
749 return 0;
750
751 case VT_GETMODE: /* get screen switcher mode */
752 bcopy(&scp->smode, data, sizeof(struct vt_mode));
753 return 0;
754
755 case VT_RELDISP: /* screen switcher ioctl */
756 switch(*data) {
757 case VT_FALSE: /* user refuses to release screen, abort */
758 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) {
759 old_scp->status &= ~SWITCH_WAIT_REL;
760 switch_in_progress = FALSE;
761 return 0;
762 }
763 return EINVAL;
764
765 case VT_TRUE: /* user has released screen, go on */
766 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) {
767 scp->status &= ~SWITCH_WAIT_REL;
768 exchange_scr();
769 if (new_scp->smode.mode == VT_PROCESS) {
770 new_scp->status |= SWITCH_WAIT_ACQ;
771 psignal(new_scp->proc, new_scp->smode.acqsig);
772 }
773 else
774 switch_in_progress = FALSE;
775 return 0;
776 }
777 return EINVAL;
778
779 case VT_ACKACQ: /* acquire acknowledged, switch completed */
780 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) {
781 scp->status &= ~SWITCH_WAIT_ACQ;
782 switch_in_progress = FALSE;
783 return 0;
784 }
785 return EINVAL;
786
787 default:
788 return EINVAL;
789 }
790 /* NOT REACHED */
791
792 case VT_OPENQRY: /* return free virtual console */
793 for (i = 0; i < MAXCONS; i++) {
794 tp = VIRTUAL_TTY(i);
795 if (!(tp->t_state & TS_ISOPEN)) {
796 *data = i + 1;
797 return 0;
798 }
799 }
800 return EINVAL;
801
802 case VT_ACTIVATE: /* switch to screen *data */
803 return switch_scr(scp, (*data) - 1);
804
805 case VT_WAITACTIVE: /* wait for switch to occur */
806 if (*data > MAXCONS || *data < 0)
807 return EINVAL;
808 if (minor(dev) == (*data) - 1)
809 return 0;
810 if (*data == 0) {
811 if (scp == cur_console)
812 return 0;
813 }
814 else
815 scp = console[(*data) - 1];
816 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH,
817 "waitvt", 0)) == ERESTART) ;
818 return error;
819
820 case VT_GETACTIVE:
821 *data = get_scr_num()+1;
822 return 0;
823
824 case KDENABIO: /* allow io operations */
825 fp = (struct trapframe *)p->p_md.md_regs;
826 fp->tf_eflags |= PSL_IOPL;
827 return 0;
828
829 case KDDISABIO: /* disallow io operations (default) */
830 fp = (struct trapframe *)p->p_md.md_regs;
831 fp->tf_eflags &= ~PSL_IOPL;
832 return 0;
833
834 case KDSETMODE: /* set current mode of this (virtual) console */
835 switch (*data) {
836 case KD_TEXT: /* switch to TEXT (known) mode */
837 /* restore fonts & palette ! */
838 if (crtc_vga) {
839 if (fonts_loaded & FONT_8)
840 copy_font(LOAD, FONT_8, font_8);
841 if (fonts_loaded & FONT_14)
842 copy_font(LOAD, FONT_14, font_14);
843 if (fonts_loaded & FONT_16)
844 copy_font(LOAD, FONT_16, font_16);
845 if (configuration & CHAR_CURSOR)
846 set_destructive_cursor(scp, TRUE);
847 load_palette();
848 }
849 /* FALL THROUGH */
850
851 case KD_TEXT1: /* switch to TEXT (known) mode */
852 /* no restore fonts & palette */
853 scp->status &= ~UNKNOWN_MODE;
854 if (crtc_vga && video_mode_ptr)
855 set_mode(scp);
856 clear_screen(scp);
857 return 0;
858
859 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */
860 scp->status |= UNKNOWN_MODE;
861 return 0;
862 default:
863 return EINVAL;
864 }
865 /* NOT REACHED */
866
867 case KDGETMODE: /* get current mode of this (virtual) console */
868 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT;
869 return 0;
870
871 case KDSBORDER: /* set border color of this (virtual) console */
872 if (!crtc_vga)
873 return ENXIO;
874 scp->border = *data;
875 if (scp == cur_console)
876 set_border(scp->border);
877 return 0;
878
879 case KDSKBSTATE: /* set keyboard state (locks) */
880 if (*data >= 0 && *data <= LOCK_KEY_MASK) {
881 scp->status &= ~LOCK_KEY_MASK;
882 scp->status |= *data;
883 if (scp == cur_console)
884 update_leds(scp->status);
885 return 0;
886 }
887 return EINVAL;
888
889 case KDGKBSTATE: /* get keyboard state (locks) */
890 *data = scp->status & LOCK_KEY_MASK;
891 return 0;
892
893 case KDSETRAD: /* set keyboard repeat & delay rates */
894 if (*data & 0x80)
895 return EINVAL;
896 i = spltty();
897 kbd_cmd(KB_SETRAD);
898 kbd_cmd(*data);
899 splx(i);
900 return 0;
901
902 case KDSKBMODE: /* set keyboard mode */
903 switch (*data) {
904 case K_RAW: /* switch to RAW scancode mode */
905 scp->status |= KBD_RAW_MODE;
906 return 0;
907
908 case K_XLATE: /* switch to XLT ascii mode */
909 if (scp == cur_console && scp->status == KBD_RAW_MODE)
910 shfts = ctls = alts = agrs = metas = 0;
911 scp->status &= ~KBD_RAW_MODE;
912 return 0;
913 default:
914 return EINVAL;
915 }
916 /* NOT REACHED */
917
918 case KDGKBMODE: /* get keyboard mode */
919 *data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE;
920 return 0;
921
922 case KDMKTONE: /* sound the bell */
923 if (*(int*)data)
924 do_bell(scp, (*(int*)data)&0xffff,
925 (((*(int*)data)>>16)&0xffff)*hz/1000);
926 else
927 do_bell(scp, scp->bell_pitch, scp->bell_duration);
928 return 0;
929
930 case KIOCSOUND: /* make tone (*data) hz */
931 if (scp == cur_console) {
932 if (*(int*)data) {
933 int pitch = TIMER_FREQ/(*(int*)data);
934
935 /* set command for counter 2, 2 byte write */
936 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE))
937 return EBUSY;
938
939 /* set pitch */
940 outb(TIMER_CNTR2, pitch);
941 outb(TIMER_CNTR2, (pitch>>8));
942
943 /* enable counter 2 output to speaker */
944 outb(IO_PPI, inb(IO_PPI) | 3);
945 }
946 else {
947 /* disable counter 2 output to speaker */
948 outb(IO_PPI, inb(IO_PPI) & 0xFC);
949 release_timer2();
950 }
951 }
952 return 0;
953
954 case KDGKBTYPE: /* get keyboard type */
955 *data = 0; /* type not known (yet) */
956 return 0;
957
958 case KDSETLED: /* set keyboard LED status */
959 if (*data >= 0 && *data <= LED_MASK) {
960 scp->status &= ~LED_MASK;
961 scp->status |= *data;
962 if (scp == cur_console)
963 update_leds(scp->status);
964 return 0;
965 }
966 return EINVAL;
967
968 case KDGETLED: /* get keyboard LED status */
969 *data = scp->status & LED_MASK;
970 return 0;
971
972 case GETFKEY: /* get functionkey string */
973 if (*(u_short*)data < n_fkey_tab) {
974 fkeyarg_t *ptr = (fkeyarg_t*)data;
975 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef,
976 fkey_tab[ptr->keynum].len);
977 ptr->flen = fkey_tab[ptr->keynum].len;
978 return 0;
979 }
980 else
981 return EINVAL;
982
983 case SETFKEY: /* set functionkey string */
984 if (*(u_short*)data < n_fkey_tab) {
985 fkeyarg_t *ptr = (fkeyarg_t*)data;
986 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str,
987 min(ptr->flen, MAXFK));
988 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK);
989 return 0;
990 }
991 else
992 return EINVAL;
993
994 case GIO_SCRNMAP: /* get output translation table */
995 bcopy(&scr_map, data, sizeof(scr_map));
996 return 0;
997
998 case PIO_SCRNMAP: /* set output translation table */
999 bcopy(data, &scr_map, sizeof(scr_map));
1000 return 0;
1001
1002 case GIO_KEYMAP: /* get keyboard translation table */
1003 bcopy(&key_map, data, sizeof(key_map));
1004 return 0;
1005
1006 case PIO_KEYMAP: /* set keyboard translation table */
1007 bcopy(data, &key_map, sizeof(key_map));
1008 return 0;
1009
1010 case PIO_FONT8x8: /* set 8x8 dot font */
1011 if (!crtc_vga)
1012 return ENXIO;
1013 bcopy(data, font_8, 8*256);
1014 fonts_loaded |= FONT_8;
1015 copy_font(LOAD, FONT_8, font_8);
1016 if (configuration & CHAR_CURSOR)
1017 set_destructive_cursor(scp, TRUE);
1018 return 0;
1019
1020 case GIO_FONT8x8: /* get 8x8 dot font */
1021 if (!crtc_vga)
1022 return ENXIO;
1023 if (fonts_loaded & FONT_8) {
1024 bcopy(font_8, data, 8*256);
1025 return 0;
1026 }
1027 else
1028 return ENXIO;
1029
1030 case PIO_FONT8x14: /* set 8x14 dot font */
1031 if (!crtc_vga)
1032 return ENXIO;
1033 bcopy(data, font_14, 14*256);
1034 fonts_loaded |= FONT_14;
1035 copy_font(LOAD, FONT_14, font_14);
1036 if (configuration & CHAR_CURSOR)
1037 set_destructive_cursor(scp, TRUE);
1038 return 0;
1039
1040 case GIO_FONT8x14: /* get 8x14 dot font */
1041 if (!crtc_vga)
1042 return ENXIO;
1043 if (fonts_loaded & FONT_14) {
1044 bcopy(font_14, data, 14*256);
1045 return 0;
1046 }
1047 else
1048 return ENXIO;
1049
1050 case PIO_FONT8x16: /* set 8x16 dot font */
1051 if (!crtc_vga)
1052 return ENXIO;
1053 bcopy(data, font_16, 16*256);
1054 fonts_loaded |= FONT_16;
1055 copy_font(LOAD, FONT_16, font_16);
1056 if (configuration & CHAR_CURSOR)
1057 set_destructive_cursor(scp, TRUE);
1058 return 0;
1059
1060 case GIO_FONT8x16: /* get 8x16 dot font */
1061 if (!crtc_vga)
1062 return ENXIO;
1063 if (fonts_loaded & FONT_16) {
1064 bcopy(font_16, data, 16*256);
1065 return 0;
1066 }
1067 else
1068 return ENXIO;
1069 default:
1070 break;
1071 }
1072
1073 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p);
1074 if (error >= 0)
1075 return(error);
1076 error = ttioctl(tp, cmd, data, flag);
1077 if (error >= 0)
1078 return(error);
1079 return(ENOTTY);
1080}
1081
1082void
1083scstart(struct tty *tp)
1084{
1085 struct clist *rbp;
1086 int i, s, len;
1087 u_char buf[PCBURST];
1088 scr_stat *scp = get_scr_stat(tp->t_dev);
1089
1090 /* XXX who repeats the call when the above flags are cleared? */
1091 if (scp->status & SLKED || blink_in_progress)
1092 return;
1093 s = spltty();
1094 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
1095 tp->t_state |= TS_BUSY;
1096 rbp = &tp->t_outq;
1097 while (rbp->c_cc) {
1098 len = q_to_b(rbp, buf, PCBURST);
1099 splx(s);
1100 ansi_put(scp, buf, len);
1101 s = spltty();
1102 }
1103 tp->t_state &= ~TS_BUSY;
1104 ttwwakeup(tp);
1105 }
1106 splx(s);
1107}
1108
1109void
1110pccnprobe(struct consdev *cp)
1111{
1112 int maj;
1113
1114 /* locate the major number */
1115 for (maj = 0; maj < nchrdev; maj++)
1116 if ((void*)cdevsw[maj].d_open == (void*)scopen)
1117 break;
1118
1119 /* initialize required fields */
1120 cp->cn_dev = makedev(maj, MAXCONS);
1121 cp->cn_pri = CN_INTERNAL;
1122}
1123
1124void
1125pccninit(struct consdev *cp)
1126{
1127 scinit();
1128}
1129
1130void
1131pccnputc(dev_t dev, int c)
1132{
1133 u_char buf[1];
1134 scr_stat *scp = console[0];
1135 term_stat save = scp->term;
1136
1137 scp->term = kernel_console;
1138 current_default = &kernel_default;
1139 if (scp->scr_buf == Crtat)
1140 draw_cursor(scp, FALSE);
1141 buf[0] = c;
1142 ansi_put(scp, buf, 1);
1143 kernel_console = scp->term;
1144 current_default = &user_default;
1145 scp->term = save;
1146 if (scp == cur_console /* && scrn_timer not running */) {
1147 if (scp->scr_buf != Crtat && (scp->start <= scp->end)) {
1148 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start,
1149 (1 + scp->end - scp->start) * sizeof(u_short));
1150 scp->start = scp->xsize * scp->ysize;
1151 scp->end = 0;
1152 scp->status &= ~CURSOR_SHOWN;
1153 }
1154 draw_cursor(scp, TRUE);
1155 }
1156}
1157
1158int
1159pccngetc(dev_t dev)
1160{
1161 int s = spltty(); /* block scintr while we poll */
1162 int c = scgetc(0);
1163 splx(s);
1164 return(c);
1165}
1166
1167int
1168pccncheckc(dev_t dev)
1169{
1170 return (scgetc(1) & 0xff);
1171}
1172
1173static void
1174scrn_timer()
1175{
1176 static int cursor_blinkrate;
1177 scr_stat *scp = cur_console;
1178
1179 /* should we just return ? */
1180 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) {
1181 timeout((timeout_func_t)scrn_timer, 0, hz/10);
1182 return;
1183 }
1184
1185 if (!scrn_blanked) {
1186 /* update screen image */
1187 if (scp->start <= scp->end) {
1188 bcopyw(scp->scr_buf + scp->start, Crtat + scp->start,
1189 (1 + scp->end - scp->start) * sizeof(u_short));
1190 scp->status &= ~CURSOR_SHOWN;
1191 scp->start = scp->xsize * scp->ysize;
1192 scp->end = 0;
1193 }
1194 /* update "pseudo" mouse arrow */
1195 if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE))
1196 draw_mouse_image(scp);
1197
1198 /* update cursor image */
1199 if (scp->status & CURSOR_ENABLED)
1200 draw_cursor(scp,
1201 !(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04));
1202 }
1203 if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time))
1204 (*current_saver)(TRUE);
1205 timeout((timeout_func_t)scrn_timer, 0, hz/25);
1206}
1207
1208static void
1209clear_screen(scr_stat *scp)
1210{
1211 move_crsr(scp, 0, 0);
1212 fillw(scp->term.cur_attr | scr_map[0x20], scp->scr_buf,
1213 scp->xsize * scp->ysize);
1214 mark_all(scp);
1215}
1216
1217static int
1218switch_scr(scr_stat *scp, u_int next_scr)
1219{
1220 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid)))
1221 switch_in_progress = FALSE;
1222
1223 if (next_scr >= MAXCONS || switch_in_progress ||
1224 (cur_console->smode.mode == VT_AUTO
1225 && cur_console->status & UNKNOWN_MODE)) {
1226 do_bell(scp, BELL_PITCH, BELL_DURATION);
1227 return EINVAL;
1228 }
1229
1230 /* is the wanted virtual console open ? */
1231 if (next_scr) {
1232 struct tty *tp = VIRTUAL_TTY(next_scr);
1233 if (!(tp->t_state & TS_ISOPEN)) {
1234 do_bell(scp, BELL_PITCH, BELL_DURATION);
1235 return EINVAL;
1236 }
1237 }
1238 /* delay switch if actively updating screen */
1239 if (write_in_progress || blink_in_progress) {
1240 delayed_next_scr = next_scr+1;
1241 return 0;
1242 }
1243 switch_in_progress = TRUE;
1244 old_scp = cur_console;
1245 new_scp = console[next_scr];
1246 wakeup((caddr_t)&new_scp->smode);
1247 if (new_scp == old_scp) {
1248 switch_in_progress = FALSE;
1249 delayed_next_scr = FALSE;
1250 return 0;
1251 }
1252
1253 /* has controlling process died? */
1254 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid)))
1255 old_scp->smode.mode = VT_AUTO;
1256 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid)))
1257 new_scp->smode.mode = VT_AUTO;
1258
1259 /* check the modes and switch approbiatly */
1260 if (old_scp->smode.mode == VT_PROCESS) {
1261 old_scp->status |= SWITCH_WAIT_REL;
1262 psignal(old_scp->proc, old_scp->smode.relsig);
1263 }
1264 else {
1265 exchange_scr();
1266 if (new_scp->smode.mode == VT_PROCESS) {
1267 new_scp->status |= SWITCH_WAIT_ACQ;
1268 psignal(new_scp->proc, new_scp->smode.acqsig);
1269 }
1270 else
1271 switch_in_progress = FALSE;
1272 }
1273 return 0;
1274}
1275
1276static void
1277exchange_scr(void)
1278{
1279 move_crsr(old_scp, old_scp->xpos, old_scp->ypos);
1280 cur_console = new_scp;
1281 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){
1282 if (crtc_vga && video_mode_ptr)
1283 set_mode(new_scp);
1284 }
1285 move_crsr(new_scp, new_scp->xpos, new_scp->ypos);
1286 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) {
1287 if (fonts_loaded & FONT_8)
1288 copy_font(LOAD, FONT_8, font_8);
1289 if (fonts_loaded & FONT_14)
1290 copy_font(LOAD, FONT_14, font_14);
1291 if (fonts_loaded & FONT_16)
1292 copy_font(LOAD, FONT_16, font_16);
1293 if (configuration & CHAR_CURSOR)
1294 set_destructive_cursor(new_scp, TRUE);
1295 load_palette();
1296 }
1297 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE)
1298 shfts = ctls = alts = agrs = metas = 0;
1299 update_leds(new_scp->status);
1300 delayed_next_scr = FALSE;
1301 bcopyw(new_scp->scr_buf, Crtat,
1302 (new_scp->xsize*new_scp->ysize)*sizeof(u_short));
1303 new_scp->status &= ~CURSOR_SHOWN;
1304}
1305
1306static inline void
1307move_crsr(scr_stat *scp, int x, int y)
1308{
1309 if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize)
1310 return;
1311 scp->xpos = x;
1312 scp->ypos = y;
1313 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1314 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos;
1315 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1316}
1317
1318static void
1319scan_esc(scr_stat *scp, u_char c)
1320{
1321 static u_char ansi_col[16] =
1322 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15};
1323 int i, n;
1324 u_short *src, *dst, count;
1325
1326 if (scp->term.esc == 1) {
1327 switch (c) {
1328
1329 case '[': /* Start ESC [ sequence */
1330 scp->term.esc = 2;
1331 scp->term.last_param = -1;
1332 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++)
1333 scp->term.param[i] = 1;
1334 scp->term.num_param = 0;
1335 return;
1336
1337 case 'M': /* Move cursor up 1 line, scroll if at top */
1338 if (scp->ypos > 0)
1339 move_crsr(scp, scp->xpos, scp->ypos - 1);
1340 else {
1341 bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize,
1342 (scp->ysize - 1) * scp->xsize * sizeof(u_short));
1343 fillw(scp->term.cur_attr | scr_map[0x20],
1344 scp->scr_buf, scp->xsize);
1345 mark_all(scp);
1346 }
1347 break;
1348#if notyet
1349 case 'Q':
1350 scp->term.esc = 4;
1351 break;
1352#endif
1353 case 'c': /* Clear screen & home */
1354 clear_screen(scp);
1355 break;
1356 }
1357 }
1358 else if (scp->term.esc == 2) {
1359 if (c >= '0' && c <= '9') {
1360 if (scp->term.num_param < MAX_ESC_PAR) {
1361 if (scp->term.last_param != scp->term.num_param) {
1362 scp->term.last_param = scp->term.num_param;
1363 scp->term.param[scp->term.num_param] = 0;
1364 }
1365 else
1366 scp->term.param[scp->term.num_param] *= 10;
1367 scp->term.param[scp->term.num_param] += c - '0';
1368 return;
1369 }
1370 }
1371 scp->term.num_param = scp->term.last_param + 1;
1372 switch (c) {
1373
1374 case ';':
1375 if (scp->term.num_param < MAX_ESC_PAR)
1376 return;
1377 break;
1378
1379 case '=':
1380 scp->term.esc = 3;
1381 scp->term.last_param = -1;
1382 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++)
1383 scp->term.param[i] = 1;
1384 scp->term.num_param = 0;
1385 return;
1386
1387 case 'A': /* up n rows */
1388 n = scp->term.param[0]; if (n < 1) n = 1;
1389 move_crsr(scp, scp->xpos, scp->ypos - n);
1390 break;
1391
1392 case 'B': /* down n rows */
1393 n = scp->term.param[0]; if (n < 1) n = 1;
1394 move_crsr(scp, scp->xpos, scp->ypos + n);
1395 break;
1396
1397 case 'C': /* right n columns */
1398 n = scp->term.param[0]; if (n < 1) n = 1;
1399 move_crsr(scp, scp->xpos + n, scp->ypos);
1400 break;
1401
1402 case 'D': /* left n columns */
1403 n = scp->term.param[0]; if (n < 1) n = 1;
1404 move_crsr(scp, scp->xpos - n, scp->ypos);
1405 break;
1406
1407 case 'E': /* cursor to start of line n lines down */
1408 n = scp->term.param[0]; if (n < 1) n = 1;
1409 move_crsr(scp, 0, scp->ypos + n);
1410 break;
1411
1412 case 'F': /* cursor to start of line n lines up */
1413 n = scp->term.param[0]; if (n < 1) n = 1;
1414 move_crsr(scp, 0, scp->ypos - n);
1415 break;
1416
1417 case 'f': /* Cursor move */
1418 case 'H':
1419 if (scp->term.num_param == 0)
1420 move_crsr(scp, 0, 0);
1421 else if (scp->term.num_param == 2)
1422 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1);
1423 break;
1424
1425 case 'J': /* Clear all or part of display */
1426 if (scp->term.num_param == 0)
1427 n = 0;
1428 else
1429 n = scp->term.param[0];
1430 switch (n) {
1431 case 0: /* clear form cursor to end of display */
1432 fillw(scp->term.cur_attr | scr_map[0x20],
1433 scp->cursor_pos,
1434 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos);
1435 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1436 mark_for_update(scp, scp->xsize * scp->ysize);
1437 break;
1438 case 1: /* clear from beginning of display to cursor */
1439 fillw(scp->term.cur_attr | scr_map[0x20],
1440 scp->scr_buf,
1441 scp->cursor_pos - scp->scr_buf);
1442 mark_for_update(scp, 0);
1443 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1444 break;
1445 case 2: /* clear entire display */
1446 clear_screen(scp);
1447 break;
1448 }
1449 break;
1450
1451 case 'K': /* Clear all or part of line */
1452 if (scp->term.num_param == 0)
1453 n = 0;
1454 else
1455 n = scp->term.param[0];
1456 switch (n) {
1457 case 0: /* clear form cursor to end of line */
1458 fillw(scp->term.cur_attr | scr_map[0x20],
1459 scp->cursor_pos,
1460 scp->xsize - scp->xpos);
1461 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1462 mark_for_update(scp, scp->cursor_pos - scp->scr_buf +
1463 scp->xsize - scp->xpos);
1464 break;
1465 case 1: /* clear from beginning of line to cursor */
1466 fillw(scp->term.cur_attr|scr_map[0x20],
1467 scp->cursor_pos - (scp->xsize - scp->xpos),
1468 (scp->xsize - scp->xpos) + 1);
1469 mark_for_update(scp, scp->ypos * scp->xsize);
1470 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1471 break;
1472 case 2: /* clear entire line */
1473 fillw(scp->term.cur_attr|scr_map[0x20],
1474 scp->cursor_pos - (scp->xsize - scp->xpos),
1475 scp->xsize);
1476 mark_for_update(scp, scp->ypos * scp->xsize);
1477 mark_for_update(scp, (scp->ypos + 1) * scp->xsize);
1478 break;
1479 }
1480 break;
1481
1482 case 'L': /* Insert n lines */
1483 n = scp->term.param[0]; if (n < 1) n = 1;
1484 if (n > scp->ysize - scp->ypos)
1485 n = scp->ysize - scp->ypos;
1486 src = scp->scr_buf + scp->ypos * scp->xsize;
1487 dst = src + n * scp->xsize;
1488 count = scp->ysize - (scp->ypos + n);
1489 bcopyw(src, dst, count * scp->xsize * sizeof(u_short));
1490 fillw(scp->term.cur_attr | scr_map[0x20], src,
1491 n * scp->xsize);
1492 mark_for_update(scp, scp->ypos * scp->xsize);
1493 mark_for_update(scp, scp->xsize * scp->ysize);
1494 break;
1495
1496 case 'M': /* Delete n lines */
1497 n = scp->term.param[0]; if (n < 1) n = 1;
1498 if (n > scp->ysize - scp->ypos)
1499 n = scp->ysize - scp->ypos;
1500 dst = scp->scr_buf + scp->ypos * scp->xsize;
1501 src = dst + n * scp->xsize;
1502 count = scp->ysize - (scp->ypos + n);
1503 bcopyw(src, dst, count * scp->xsize * sizeof(u_short));
1504 src = dst + count * scp->xsize;
1505 fillw(scp->term.cur_attr | scr_map[0x20], src,
1506 n * scp->xsize);
1507 mark_for_update(scp, scp->ypos * scp->xsize);
1508 mark_for_update(scp, scp->xsize * scp->ysize);
1509 break;
1510
1511 case 'P': /* Delete n chars */
1512 n = scp->term.param[0]; if (n < 1) n = 1;
1513 if (n > scp->xsize - scp->xpos)
1514 n = scp->xsize - scp->xpos;
1515 dst = scp->cursor_pos;
1516 src = dst + n;
1517 count = scp->xsize - (scp->xpos + n);
1518 bcopyw(src, dst, count * sizeof(u_short));
1519 src = dst + count;
1520 fillw(scp->term.cur_attr | scr_map[0x20], src, n);
1521 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1522 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count);
1523 break;
1524
1525 case '@': /* Insert n chars */
1526 n = scp->term.param[0]; if (n < 1) n = 1;
1527 if (n > scp->xsize - scp->xpos)
1528 n = scp->xsize - scp->xpos;
1529 src = scp->cursor_pos;
1530 dst = src + n;
1531 count = scp->xsize - (scp->xpos + n);
1532 bcopyw(src, dst, count * sizeof(u_short));
1533 fillw(scp->term.cur_attr | scr_map[0x20], src, n);
1534 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1535 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count);
1536 break;
1537
1538 case 'S': /* scroll up n lines */
1539 n = scp->term.param[0]; if (n < 1) n = 1;
1540 if (n > scp->ysize)
1541 n = scp->ysize;
1542 bcopyw(scp->scr_buf + (scp->xsize * n),
1543 scp->scr_buf,
1544 scp->xsize * (scp->ysize - n) * sizeof(u_short));
1545 fillw(scp->term.cur_attr | scr_map[0x20],
1546 scp->scr_buf + scp->xsize * (scp->ysize - n),
1547 scp->xsize * n);
1548 mark_all(scp);
1549 break;
1550
1551 case 'T': /* scroll down n lines */
1552 n = scp->term.param[0]; if (n < 1) n = 1;
1553 if (n > scp->ysize)
1554 n = scp->ysize;
1555 bcopyw(scp->scr_buf,
1556 scp->scr_buf + (scp->xsize * n),
1557 scp->xsize * (scp->ysize - n) *
1558 sizeof(u_short));
1559 fillw(scp->term.cur_attr | scr_map[0x20],
1560 scp->scr_buf, scp->xsize * n);
1561 mark_all(scp);
1562 break;
1563
1564 case 'X': /* erase n characters in line */
1565 n = scp->term.param[0]; if (n < 1) n = 1;
1566 if (n > scp->xsize - scp->xpos)
1567 n = scp->xsize - scp->xpos;
1568 fillw(scp->term.cur_attr | scr_map[0x20],
1569 scp->scr_buf + scp->xpos +
1570 ((scp->xsize*scp->ypos) * sizeof(u_short)), n);
1571 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1572 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n);
1573 break;
1574
1575 case 'Z': /* move n tabs backwards */
1576 n = scp->term.param[0]; if (n < 1) n = 1;
1577 if ((i = scp->xpos & 0xf8) == scp->xpos)
1578 i -= 8*n;
1579 else
1580 i -= 8*(n-1);
1581 if (i < 0)
1582 i = 0;
1583 move_crsr(scp, i, scp->ypos);
1584 break;
1585
1586 case '`': /* move cursor to column n */
1587 n = scp->term.param[0]; if (n < 1) n = 1;
1588 move_crsr(scp, n - 1, scp->ypos);
1589 break;
1590
1591 case 'a': /* move cursor n columns to the right */
1592 n = scp->term.param[0]; if (n < 1) n = 1;
1593 move_crsr(scp, scp->xpos + n, scp->ypos);
1594 break;
1595
1596 case 'd': /* move cursor to row n */
1597 n = scp->term.param[0]; if (n < 1) n = 1;
1598 move_crsr(scp, scp->xpos, n - 1);
1599 break;
1600
1601 case 'e': /* move cursor n rows down */
1602 n = scp->term.param[0]; if (n < 1) n = 1;
1603 move_crsr(scp, scp->xpos, scp->ypos + n);
1604 break;
1605
1606 case 'm': /* change attribute */
1607 if (scp->term.num_param == 0) {
1608 scp->term.cur_attr = scp->term.std_attr;
1609 break;
1610 }
1611 for (i = 0; i < scp->term.num_param; i++) {
1612 switch (n = scp->term.param[i]) {
1613 case 0: /* back to normal */
1614 scp->term.cur_attr = scp->term.std_attr;
1615 break;
1616 case 1: /* highlight (bold) */
1617 scp->term.cur_attr &= 0xFF00;
1618 scp->term.cur_attr |= 0x0800;
1619 break;
1620 case 4: /* highlight (underline) */
1621 scp->term.cur_attr &= 0xFF00;
1622 scp->term.cur_attr |= 0x0800;
1623 break;
1624 case 5: /* blink */
1625 scp->term.cur_attr &= 0xFF00;
1626 scp->term.cur_attr |= 0x8000;
1627 break;
1628 case 7: /* reverse video */
1629 scp->term.cur_attr = scp->term.rev_attr;
1630 break;
1631 case 30: case 31: /* set fg color */
1632 case 32: case 33: case 34:
1633 case 35: case 36: case 37:
1634 scp->term.cur_attr =
1635 (scp->term.cur_attr&0xF8FF) | (ansi_col[(n-30)&7]<<8);
1636 break;
1637 case 40: case 41: /* set bg color */
1638 case 42: case 43: case 44:
1639 case 45: case 46: case 47:
1640 scp->term.cur_attr =
1641 (scp->term.cur_attr&0x8FFF) | (ansi_col[(n-40)&7]<<12);
1642 break;
1643 }
1644 }
1645 break;
1646
1647 case 'x':
1648 if (scp->term.num_param == 0)
1649 n = 0;
1650 else
1651 n = scp->term.param[0];
1652 switch (n) {
1653 case 0: /* reset attributes */
1654 scp->term.cur_attr = scp->term.std_attr =
1655 current_default->std_attr;
1656 scp->term.rev_attr = current_default->rev_attr;
1657 break;
1658 case 1: /* set ansi background */
1659 scp->term.cur_attr = scp->term.std_attr =
1660 (scp->term.std_attr & 0x0F00) |
1661 (ansi_col[(scp->term.param[1])&0x0F]<<12);
1662 break;
1663 case 2: /* set ansi foreground */
1664 scp->term.cur_attr = scp->term.std_attr =
1665 (scp->term.std_attr & 0xF000) |
1666 (ansi_col[(scp->term.param[1])&0x0F]<<8);
1667 break;
1668 case 3: /* set ansi attribute directly */
1669 scp->term.cur_attr = scp->term.std_attr =
1670 (scp->term.param[1]&0xFF)<<8;
1671 break;
1672 case 5: /* set ansi reverse video background */
1673 scp->term.rev_attr =
1674 (scp->term.rev_attr & 0x0F00) |
1675 (ansi_col[(scp->term.param[1])&0x0F]<<12);
1676 break;
1677 case 6: /* set ansi reverse video foreground */
1678 scp->term.rev_attr =
1679 (scp->term.rev_attr & 0xF000) |
1680 (ansi_col[(scp->term.param[1])&0x0F]<<8);
1681 break;
1682 case 7: /* set ansi reverse video directly */
1683 scp->term.rev_attr =
1684 (scp->term.param[1]&0xFF)<<8;
1685 break;
1686 }
1687 break;
1688
1689 case 'z': /* switch to (virtual) console n */
1690 if (scp->term.num_param == 1)
1691 switch_scr(scp, scp->term.param[0]);
1692 break;
1693 }
1694 }
1695 else if (scp->term.esc == 3) {
1696 if (c >= '0' && c <= '9') {
1697 if (scp->term.num_param < MAX_ESC_PAR) {
1698 if (scp->term.last_param != scp->term.num_param) {
1699 scp->term.last_param = scp->term.num_param;
1700 scp->term.param[scp->term.num_param] = 0;
1701 }
1702 else
1703 scp->term.param[scp->term.num_param] *= 10;
1704 scp->term.param[scp->term.num_param] += c - '0';
1705 return;
1706 }
1707 }
1708 scp->term.num_param = scp->term.last_param + 1;
1709 switch (c) {
1710
1711 case ';':
1712 if (scp->term.num_param < MAX_ESC_PAR)
1713 return;
1714 break;
1715
1716 case 'A': /* set display border color */
1717 if (scp->term.num_param == 1)
1718 scp->border=scp->term.param[0] & 0xff;
1719 if (scp == cur_console)
1720 set_border(scp->border);
1721 break;
1722
1723 case 'B': /* set bell pitch and duration */
1724 if (scp->term.num_param == 2) {
1725 scp->bell_pitch = scp->term.param[0];
1726 scp->bell_duration = scp->term.param[1]*10;
1727 }
1728 break;
1729
1730 case 'C': /* set cursor type & shape */
1731 if (scp->term.num_param == 1) {
1732 if (scp->term.param[0] & 0x01)
1733 configuration |= BLINK_CURSOR;
1734 else
1735 configuration &= ~BLINK_CURSOR;
1736 if (scp->term.param[0] & 0x02) {
1737 configuration |= CHAR_CURSOR;
1738 set_destructive_cursor(scp, TRUE);
1739 } else
1740 configuration &= ~CHAR_CURSOR;
1741 }
1742 else if (scp->term.num_param == 2) {
1743 scp->cursor_start = scp->term.param[0] & 0x1F;
1744 scp->cursor_end = scp->term.param[1] & 0x1F;
1745 if (configuration & CHAR_CURSOR)
1746 set_destructive_cursor(scp, TRUE);
1747 }
1748 break;
1749
1750 case 'F': /* set ansi foreground */
1751 if (scp->term.num_param == 1)
1752 scp->term.cur_attr = scp->term.std_attr =
1753 (scp->term.std_attr & 0xF000)
1754 | ((scp->term.param[0] & 0x0F) << 8);
1755 break;
1756
1757 case 'G': /* set ansi background */
1758 if (scp->term.num_param == 1)
1759 scp->term.cur_attr = scp->term.std_attr =
1760 (scp->term.std_attr & 0x0F00)
1761 | ((scp->term.param[0] & 0x0F) << 12);
1762 break;
1763
1764 case 'H': /* set ansi reverse video foreground */
1765 if (scp->term.num_param == 1)
1766 scp->term.rev_attr =
1767 (scp->term.rev_attr & 0xF000)
1768 | ((scp->term.param[0] & 0x0F) << 8);
1769 break;
1770
1771 case 'I': /* set ansi reverse video background */
1772 if (scp->term.num_param == 1)
1773 scp->term.rev_attr =
1774 (scp->term.rev_attr & 0x0F00)
1775 | ((scp->term.param[0] & 0x0F) << 12);
1776 break;
1777 }
1778 }
1779 scp->term.esc = 0;
1780}
1781
1782static inline void
1783draw_cursor(scr_stat *scp, int show)
1784{
1785 if (show && !(scp->status & CURSOR_SHOWN)) {
1786 u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf));
1787
1788 scp->cursor_saveunder = cursor_image;
1789 if (configuration & CHAR_CURSOR) {
1790 set_destructive_cursor(scp, FALSE);
1791 cursor_image = (cursor_image & 0xff00) | DEAD_CHAR;
1792 }
1793 else {
1794 if ((cursor_image & 0x7000) == 0x7000) {
1795 cursor_image &= 0x8fff;
1796 if(!(cursor_image & 0x0700))
1797 cursor_image |= 0x0700;
1798 } else {
1799 cursor_image |= 0x7000;
1800 if ((cursor_image & 0x0700) == 0x0700)
1801 cursor_image &= 0xf0ff;
1802 }
1803 }
1804 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image;
1805 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1806 scp->status |= CURSOR_SHOWN;
1807 }
1808 if (!show && (scp->status & CURSOR_SHOWN)) {
1809 *(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder;
1810 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1811 scp->status &= ~CURSOR_SHOWN;
1812 }
1813}
1814
1815static void
1816ansi_put(scr_stat *scp, u_char *buf, int len)
1817{
1818 u_char *ptr = buf;
1819
1820 if (scp->status & UNKNOWN_MODE)
1821 return;
1822
1823 /* make screensaver happy */
1824 if (scp == cur_console) {
1825 scrn_time_stamp = time.tv_sec;
1826 if (scrn_blanked) {
1827 (*current_saver)(FALSE);
1828 cur_console->start = 0;
1829 cur_console->end = cur_console->xsize * cur_console->ysize;
1830 }
1831 }
1832 write_in_progress++;
1833outloop:
1834 if (scp->term.esc) {
1835 scan_esc(scp, *ptr++);
1836 len--;
1837 }
1838 else if (PRINTABLE(*ptr)) { /* Print only printables */
1839 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos);
1840 u_short cur_attr = scp->term.cur_attr;
1841 u_short *cursor_pos = scp->cursor_pos;
1842 do {
1843 /*
1844 * gcc-2.6.3 generates poor (un)sign extension code. Casting the
1845 * pointers in the following to volatile should have no effect,
1846 * but in fact speeds up this inner loop from 26 to 18 cycles
1847 * (+ cache misses) on i486's.
1848 */
1849#define UCVP(ucp) ((u_char volatile *)(ucp))
1850 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr;
1851 ptr++;
1852 cnt--;
1853 } while (cnt && PRINTABLE(*ptr));
1854 len -= (cursor_pos - scp->cursor_pos);
1855 scp->xpos += (cursor_pos - scp->cursor_pos);
1856 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1857 mark_for_update(scp, cursor_pos - scp->scr_buf);
1858 scp->cursor_pos = cursor_pos;
1859 if (scp->xpos >= scp->xsize) {
1860 scp->xpos = 0;
1861 scp->ypos++;
1862 }
1863 }
1864 else {
1865 switch(*ptr) {
1866 case 0x07:
1867 do_bell(scp, scp->bell_pitch, scp->bell_duration);
1868 break;
1869
1870 case 0x08: /* non-destructive backspace */
1871 if (scp->cursor_pos > scp->scr_buf) {
1872 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1873 scp->cursor_pos--;
1874 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1875 if (scp->xpos > 0)
1876 scp->xpos--;
1877 else {
1878 scp->xpos += scp->xsize - 1;
1879 scp->ypos--;
1880 }
1881 }
1882 break;
1883
1884 case 0x09: /* non-destructive tab */
1885 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1886 scp->cursor_pos += (8 - scp->xpos % 8u);
1887 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1888 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) {
1889 scp->xpos = 0;
1890 scp->ypos++;
1891 }
1892 break;
1893
1894 case 0x0a: /* newline, same pos */
1895 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1896 scp->cursor_pos += scp->xsize;
1897 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1898 scp->ypos++;
1899 break;
1900
1901 case 0x0c: /* form feed, clears screen */
1902 clear_screen(scp);
1903 break;
1904
1905 case 0x0d: /* return, return to pos 0 */
1906 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1907 scp->cursor_pos -= scp->xpos;
1908 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
1909 scp->xpos = 0;
1910 break;
1911
1912 case 0x1b: /* start escape sequence */
1913 scp->term.esc = 1;
1914 scp->term.num_param = 0;
1915 break;
1916 }
1917 ptr++; len--;
1918 }
1919 /* do we have to scroll ?? */
1920 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) {
1921 if (scp->history) {
1922 bcopyw(scp->scr_buf, scp->history_head,
1923 scp->xsize * sizeof(u_short));
1924 scp->history_head += scp->xsize;
1925 if (scp->history_head + scp->xsize >
1926 scp->history + scp->history_size)
1927 scp->history_head = scp->history;
1928 }
1929 bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf,
1930 scp->xsize * (scp->ysize - 1) * sizeof(u_short));
1931 fillw(scp->term.cur_attr | scr_map[0x20],
1932 scp->scr_buf + scp->xsize * (scp->ysize - 1),
1933 scp->xsize);
1934 scp->cursor_pos -= scp->xsize;
1935 scp->ypos--;
1936 mark_all(scp);
1937 }
1938 if (len)
1939 goto outloop;
1940 write_in_progress--;
1941 if (delayed_next_scr)
1942 switch_scr(scp, delayed_next_scr - 1);
1943}
1944
1945static void
1946scinit(void)
1947{
1948 u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was;
1949 unsigned hw_cursor;
1950 int i;
1951
1952 if (init_done)
1953 return;
1954 init_done = TRUE;
1955 /*
1956 * Crtat initialized to point to MONO buffer, if not present change
1957 * to CGA_BUF offset. ONLY add the difference since locore.s adds
1958 * in the remapped offset at the "right" time
1959 */
1960 was = *cp;
1961 *cp = (u_short) 0xA55A;
1962 if (*cp != 0xA55A)
1963 crtc_addr = MONO_BASE;
1964 else {
1965 *cp = was;
1966 crtc_addr = COLOR_BASE;
1967 Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short);
1968 }
1969
1970 /* extract cursor location */
1971 outb(crtc_addr, 14);
1972 hw_cursor = inb(crtc_addr + 1) << 8;
1973 outb(crtc_addr, 15);
1974 hw_cursor |= inb(crtc_addr + 1);
1975
1976 /* move hardware cursor out of the way */
1977 outb(crtc_addr, 14);
1978 outb(crtc_addr + 1, 0xff);
1979 outb(crtc_addr, 15);
1980 outb(crtc_addr + 1, 0xff);
1981
1982 /* is this a VGA or higher ? */
1983 outb(crtc_addr, 7);
1984 if (inb(crtc_addr) == 7) {
1985 u_long pa;
1986 u_long segoff;
1987
1988 crtc_vga = TRUE;
1989 /*
1990 * Get the BIOS video mode pointer.
1991 */
1992 segoff = *(u_long *)pa_to_va(0x4a8);
1993 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff));
1994 if (ISMAPPED(pa, sizeof(u_long))) {
1995 segoff = *(u_long *)pa_to_va(pa);
1996 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff));
1997 if (ISMAPPED(pa, 64))
1998 video_mode_ptr = (char *)pa_to_va(pa);
1999 }
2000 }
2001 current_default = &user_default;
2002 console[0] = &main_console;
2003 init_scp(console[0]);
2004 console[0]->scr_buf = console[0]->mouse_pos = Crtat;
2005 console[0]->cursor_pos = Crtat + hw_cursor;
2006 console[0]->xpos = hw_cursor % COL;
2007 console[0]->ypos = hw_cursor / COL;
2008 cur_console = console[0];
2009 for (i=1; i<MAXCONS; i++)
2010 console[i] = NULL;
2011 kernel_console.esc = 0;
2012 kernel_console.std_attr = kernel_default.std_attr;
2013 kernel_console.rev_attr = kernel_default.rev_attr;
2014 kernel_console.cur_attr = kernel_default.std_attr;
2015 /* initialize mapscrn array to a one to one map */
2016 for (i=0; i<sizeof(scr_map); i++)
2017 scr_map[i] = i;
2018}
2019
2020static scr_stat
2021*alloc_scp()
2022{
2023 scr_stat *scp;
2024
2025 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK);
2026 init_scp(scp);
2027 scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos =
2028 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short),
2029 M_DEVBUF, M_WAITOK);
2030 scp->history_head = scp->history_pos = scp->history =
2031 (u_short *)malloc(scp->history_size*sizeof(u_short),
2032 M_DEVBUF, M_WAITOK);
2033 bzero(scp->history_head, scp->history_size*sizeof(u_short));
2034 if (crtc_vga && video_mode_ptr)
2035 set_mode(scp);
2036 clear_screen(scp);
2037 return scp;
2038}
2039
2040static void
2041init_scp(scr_stat *scp)
2042{
2043 scp->mode = M_VGA_C80x25;
2044 scp->font = FONT_16;
2045 scp->xsize = COL;
2046 scp->ysize = ROW;
2047 scp->start = COL * ROW;
2048 scp->end = 0;
2049 scp->term.esc = 0;
2050 scp->term.std_attr = current_default->std_attr;
2051 scp->term.rev_attr = current_default->rev_attr;
2052 scp->term.cur_attr = scp->term.std_attr;
2053 scp->border = BG_BLACK;
2054 scp->cursor_start = *(char *)pa_to_va(0x461);
2055 scp->cursor_end = *(char *)pa_to_va(0x460);
2056 scp->mouse_xpos = scp->mouse_ypos = 0;
2057 scp->bell_pitch = BELL_PITCH;
2058 scp->bell_duration = BELL_DURATION;
2059 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0;
2060 scp->status |= CURSOR_ENABLED;
2061 scp->pid = 0;
2062 scp->proc = NULL;
2063 scp->smode.mode = VT_AUTO;
2064 scp->history_head = scp->history_pos = scp->history = NULL;
2065 scp->history_size = HISTORY_SIZE;
2066}
2067
2068static u_char
2069*get_fstr(u_int c, u_int *len)
2070{
2071 u_int i;
2072
2073 if (!(c & FKEY))
2074 return(NULL);
2075 i = (c & 0xFF) - F_FN;
2076 if (i > n_fkey_tab)
2077 return(NULL);
2078 *len = fkey_tab[i].len;
2079 return(fkey_tab[i].str);
2080}
2081
2082static void
2083update_leds(int which)
2084{
2085 int s;
2086 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 };
2087
2088 /* replace CAPS led with ALTGR led for ALTGR keyboards */
2089 if (key_map.n_keys > ALTGR_OFFSET) {
2090 if (which & ALKED)
2091 which |= CLKED;
2092 else
2093 which &= ~CLKED;
2094 }
2095 s = spltty();
2096 kbd_cmd(KB_SETLEDS);
2097 kbd_cmd(xlate_leds[which & LED_MASK]);
2098 splx(s);
2099}
2100
2101static void
2102history_to_screen(scr_stat *scp)
2103{
2104 int i;
2105
2106 for (i=0; i<scp->ysize; i++)
2107 bcopyw(scp->history + (((scp->history_pos - scp->history) +
2108 scp->history_size-((i+1)*scp->xsize))%scp->history_size),
2109 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)),
2110 scp->xsize * sizeof(u_short));
2111 mark_all(scp);
2112}
2113
2114static int
2115history_up_line(scr_stat *scp)
2116{
2117 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) !=
2118 scp->history_head) {
2119 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize);
2120 history_to_screen(scp);
2121 return 0;
2122 }
2123 else
2124 return -1;
2125}
2126
2127static int
2128history_down_line(scr_stat *scp)
2129{
2130 if (scp->history_pos != scp->history_head) {
2131 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize);
2132 history_to_screen(scp);
2133 return 0;
2134 }
2135 else
2136 return -1;
2137}
2138
2139/*
2140 * scgetc(noblock) - get character from keyboard.
2141 * If noblock = 0 wait until a key is pressed.
2142 * Else return NOKEY.
2143 */
2144u_int
2145scgetc(int noblock)
2146{
2147 u_char scancode, keycode;
2148 u_int state, action;
2149 struct key_t *key;
2150 static u_char esc_flag = 0, compose = 0;
2151 static u_int chr = 0;
2152
2153next_code:
2154 kbd_wait();
2155 /* First see if there is something in the keyboard port */
2156 if (inb(KB_STAT) & KB_BUF_FULL)
2157 scancode = inb(KB_DATA);
2158 else if (noblock)
2159 return(NOKEY);
2160 else
2161 goto next_code;
2162
2163 if (cur_console->status & KBD_RAW_MODE)
2164 return scancode;
2165#if ASYNCH
2166 if (scancode == KB_ACK || scancode == KB_RESEND) {
2167 kbd_reply = scancode;
2168 if (noblock)
2169 return(NOKEY);
2170 goto next_code;
2171 }
2172#endif
2173 keycode = scancode & 0x7F;
2174 switch (esc_flag) {
2175 case 0x00: /* normal scancode */
2176 switch(scancode) {
2177 case 0xB8: /* left alt (compose key) */
2178 if (compose) {
2179 compose = 0;
2180 if (chr > 255) {
2181 do_bell(cur_console,
2182 BELL_PITCH, BELL_DURATION);
2183 chr = 0;
2184 }
2185 }
2186 break;
2187 case 0x38:
2188 if (!compose) {
2189 compose = 1;
2190 chr = 0;
2191 }
2192 break;
2193 case 0xE0:
2194 case 0xE1:
2195 esc_flag = scancode;
2196 goto next_code;
2197 }
2198 break;
2199 case 0xE0: /* 0xE0 prefix */
2200 esc_flag = 0;
2201 switch (keycode) {
2202 case 0x1C: /* right enter key */
2203 keycode = 0x59;
2204 break;
2205 case 0x1D: /* right ctrl key */
2206 keycode = 0x5A;
2207 break;
2208 case 0x35: /* keypad divide key */
2209 keycode = 0x5B;
2210 break;
2211 case 0x37: /* print scrn key */
2212 keycode = 0x5C;
2213 break;
2214 case 0x38: /* right alt key (alt gr) */
2215 keycode = 0x5D;
2216 break;
2217 case 0x47: /* grey home key */
2218 keycode = 0x5E;
2219 break;
2220 case 0x48: /* grey up arrow key */
2221 keycode = 0x5F;
2222 break;
2223 case 0x49: /* grey page up key */
2224 keycode = 0x60;
2225 break;
2226 case 0x4B: /* grey left arrow key */
2227 keycode = 0x61;
2228 break;
2229 case 0x4D: /* grey right arrow key */
2230 keycode = 0x62;
2231 break;
2232 case 0x4F: /* grey end key */
2233 keycode = 0x63;
2234 break;
2235 case 0x50: /* grey down arrow key */
2236 keycode = 0x64;
2237 break;
2238 case 0x51: /* grey page down key */
2239 keycode = 0x65;
2240 break;
2241 case 0x52: /* grey insert key */
2242 keycode = 0x66;
2243 break;
2244 case 0x53: /* grey delete key */
2245 keycode = 0x67;
2246 break;
2247
2248 /* the following 3 are only used on the MS "Natural" keyboard */
2249 case 0x5b: /* left Window key */
2250 keycode = 0x69;
2251 break;
2252 case 0x5c: /* right Window key */
2253 keycode = 0x6a;
2254 break;
2255 case 0x5d: /* menu key */
2256 keycode = 0x6b;
2257 break;
2258 default: /* ignore everything else */
2259 goto next_code;
2260 }
2261 break;
2262 case 0xE1: /* 0xE1 prefix */
2263 esc_flag = 0;
2264 if (keycode == 0x1D)
2265 esc_flag = 0x1D;
2266 goto next_code;
2267 /* NOT REACHED */
2268 case 0x1D: /* pause / break */
2269 esc_flag = 0;
2270 if (keycode != 0x45)
2271 goto next_code;
2272 keycode = 0x68;
2273 break;
2274 }
2275
2276 /* if scroll-lock pressed allow history browsing */
2277 if (cur_console->history && cur_console->status & SLKED) {
2278 int i;
2279
2280 cur_console->status &= ~CURSOR_ENABLED;
2281 if (!(cur_console->status & BUFFER_SAVED)) {
2282 cur_console->status |= BUFFER_SAVED;
2283 cur_console->history_save = cur_console->history_head;
2284
2285 /* copy screen into top of history buffer */
2286 for (i=0; i<cur_console->ysize; i++) {
2287 bcopyw(cur_console->scr_buf + (cur_console->xsize * i),
2288 cur_console->history_head,
2289 cur_console->xsize * sizeof(u_short));
2290 cur_console->history_head += cur_console->xsize;
2291 if (cur_console->history_head + cur_console->xsize >
2292 cur_console->history + cur_console->history_size)
2293 cur_console->history_head=cur_console->history;
2294 }
2295 cur_console->history_pos = cur_console->history_head;
2296 history_to_screen(cur_console);
2297 }
2298 switch (scancode) {
2299 case 0x47: /* home key */
2300 cur_console->history_pos = cur_console->history_head;
2301 history_to_screen(cur_console);
2302 goto next_code;
2303
2304 case 0x4F: /* end key */
2305 cur_console->history_pos =
2306 WRAPHIST(cur_console, cur_console->history_head,
2307 cur_console->xsize*cur_console->ysize);
2308 history_to_screen(cur_console);
2309 goto next_code;
2310
2311 case 0x48: /* up arrow key */
2312 if (history_up_line(cur_console))
2313 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
2314 goto next_code;
2315
2316 case 0x50: /* down arrow key */
2317 if (history_down_line(cur_console))
2318 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
2319 goto next_code;
2320
2321 case 0x49: /* page up key */
2322 for (i=0; i<cur_console->ysize; i++)
2323 if (history_up_line(cur_console)) {
2324 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
2325 break;
2326 }
2327 goto next_code;
2328
2329 case 0x51: /* page down key */
2330 for (i=0; i<cur_console->ysize; i++)
2331 if (history_down_line(cur_console)) {
2332 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
2333 break;
2334 }
2335 goto next_code;
2336 }
2337 }
2338
2339 if (compose) {
2340 switch (scancode) {
2341 /* key pressed process it */
2342 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */
2343 chr = (scancode - 0x40) + chr*10;
2344 goto next_code;
2345 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */
2346 chr = (scancode - 0x47) + chr*10;
2347 goto next_code;
2348 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */
2349 chr = (scancode - 0x4E) + chr*10;
2350 goto next_code;
2351 case 0x52: /* keypad 0 */
2352 chr *= 10;
2353 goto next_code;
2354
2355 /* key release, no interest here */
2356 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */
2357 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */
2358 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */
2359 case 0xD2: /* keypad 0 */
2360 goto next_code;
2361
2362 case 0x38: /* left alt key */
2363 break;
2364 default:
2365 if (chr) {
2366 compose = chr = 0;
2367 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
2368 goto next_code;
2369 }
2370 break;
2371 }
2372 }
2373
2374 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0));
2375 if ((!agrs && (cur_console->status & ALKED))
2376 || (agrs && !(cur_console->status & ALKED)))
2377 keycode += ALTGR_OFFSET;
2378 key = &key_map.key[keycode];
2379 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED))
2380 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) )
2381 state ^= 1;
2382
2383 /* Check for make/break */
2384 action = key->map[state];
2385 if (scancode & 0x80) { /* key released */
2386 if (key->spcl & 0x80) {
2387 switch (action) {
2388 case LSH:
2389 shfts &= ~1;
2390 break;
2391 case RSH:
2392 shfts &= ~2;
2393 break;
2394 case LCTR:
2395 ctls &= ~1;
2396 break;
2397 case RCTR:
2398 ctls &= ~2;
2399 break;
2400 case LALT:
2401 alts &= ~1;
2402 break;
2403 case RALT:
2404 alts &= ~2;
2405 break;
2406 case NLK:
2407 nlkcnt = 0;
2408 break;
2409 case CLK:
2410 clkcnt = 0;
2411 break;
2412 case SLK:
2413 slkcnt = 0;
2414 break;
2415 case ASH:
2416 agrs = 0;
2417 break;
2418 case ALK:
2419 alkcnt = 0;
2420 break;
2421 case META:
2422 metas = 0;
2423 break;
2424 }
2425 }
2426 if (chr && !compose) {
2427 action = chr;
2428 chr = 0;
2429 return(action);
2430 }
2431 } else {
2432 /* key pressed */
2433 if (key->spcl & (0x80>>state)) {
2434 switch (action) {
2435 /* LOCKING KEYS */
2436 case NLK:
2437 if (!nlkcnt) {
2438 nlkcnt++;
2439 if (cur_console->status & NLKED)
2440 cur_console->status &= ~NLKED;
2441 else
2442 cur_console->status |= NLKED;
2443 update_leds(cur_console->status);
2444 }
2445 break;
2446 case CLK:
2447 if (!clkcnt) {
2448 clkcnt++;
2449 if (cur_console->status & CLKED)
2450 cur_console->status &= ~CLKED;
2451 else
2452 cur_console->status |= CLKED;
2453 update_leds(cur_console->status);
2454 }
2455 break;
2456 case SLK:
2457 if (!slkcnt) {
2458 slkcnt++;
2459 if (cur_console->status & SLKED) {
2460 cur_console->status &= ~SLKED;
2461 if (cur_console->status & BUFFER_SAVED){
2462 int i;
2463 u_short *ptr = cur_console->history_save;
2464
2465 for (i=0; i<cur_console->ysize; i++) {
2466 bcopyw(ptr,
2467 cur_console->scr_buf +
2468 (cur_console->xsize*i),
2469 cur_console->xsize * sizeof(u_short));
2470 ptr += cur_console->xsize;
2471 if (ptr + cur_console->xsize >
2472 cur_console->history +
2473 cur_console->history_size)
2474 ptr = cur_console->history;
2475 }
2476 cur_console->status &= ~BUFFER_SAVED;
2477 cur_console->history_head=cur_console->history_save;
2478 cur_console->status |= CURSOR_ENABLED;
2479 mark_all(cur_console);
2480 }
2481 scstart(VIRTUAL_TTY(get_scr_num()));
2482 }
2483 else
2484 cur_console->status |= SLKED;
2485 update_leds(cur_console->status);
2486 }
2487 break;
2488 case ALK:
2489 if (!alkcnt) {
2490 alkcnt++;
2491 if (cur_console->status & ALKED)
2492 cur_console->status &= ~ALKED;
2493 else
2494 cur_console->status |= ALKED;
2495 update_leds(cur_console->status);
2496 }
2497 break;
2498
2499 /* NON-LOCKING KEYS */
2500 case NOP:
2501 break;
2502 case RBT:
2503 shutdown_nice();
2504 break;
2505 case SUSP:
2506#if NAPM > 0
2507 apm_suspend();
2508#endif
2509 break;
2510
2511 case DBG:
2512#ifdef DDB /* try to switch to console 0 */
2513 if (cur_console->smode.mode == VT_AUTO &&
2514 console[0]->smode.mode == VT_AUTO)
2515 switch_scr(cur_console, 0);
2516 Debugger("manual escape to debugger");
2517 return(NOKEY);
2518#else
2519 printf("No debugger in kernel\n");
2520#endif
2521 break;
2522 case LSH:
2523 shfts |= 1;
2524 break;
2525 case RSH:
2526 shfts |= 2;
2527 break;
2528 case LCTR:
2529 ctls |= 1;
2530 break;
2531 case RCTR:
2532 ctls |= 2;
2533 break;
2534 case LALT:
2535 alts |= 1;
2536 break;
2537 case RALT:
2538 alts |= 2;
2539 break;
2540 case ASH:
2541 agrs = 1;
2542 break;
2543 case META:
2544 metas = 1;
2545 break;
2546 case NEXT:
2547 switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS);
2548 break;
2549 case BTAB:
2550 return(BKEY);
2551 default:
2552 if (action >= F_SCR && action <= L_SCR) {
2553 switch_scr(cur_console, action - F_SCR);
2554 break;
2555 }
2556 if (action >= F_FN && action <= L_FN)
2557 action |= FKEY;
2558 return(action);
2559 }
2560 }
2561 else {
2562 if (metas)
2563 action |= MKEY;
2564 return(action);
2565 }
2566 }
2567 goto next_code;
2568}
2569
2570int
2571scmmap(dev_t dev, int offset, int nprot)
2572{
2573 if (offset > 0x20000 - PAGE_SIZE)
2574 return -1;
2575 return i386_btop((VIDEOMEM + offset));
2576}
2577
2578static void
2579kbd_wait(void)
2580{
2581 int i = 1000;
2582
2583 while (i--) {
2584 if ((inb(KB_STAT) & KB_READY) == 0)
2585 break;
2586 DELAY (10);
2587 }
2588}
2589
2590static void
2591kbd_cmd(u_char command)
2592{
2593 int retry = 5;
2594 do {
2595 int i = 100000;
2596
2597 kbd_wait();
2598#if ASYNCH
2599 kbd_reply = 0;
2600 outb(KB_DATA, command);
2601 while (i--) {
2602 if (kbd_reply == KB_ACK)
2603 return;
2604 if (kbd_reply == KB_RESEND)
2605 break;
2606 }
2607#else
2608 outb(KB_DATA, command);
2609 while (i--) {
2610 if (inb(KB_STAT) & KB_BUF_FULL) {
2611 int val;
2612 DELAY(10);
2613 val = inb(KB_DATA);
2614 if (val == KB_ACK)
2615 return;
2616 if (val == KB_RESEND)
2617 break;
2618 }
2619 }
2620#endif
2621 } while (retry--);
2622}
2623
2624static void
2625set_mode(scr_stat *scp)
2626{
2627 char *modetable;
2628 char special_modetable[64];
2629 int mode, font_size;
2630
2631 if (scp != cur_console)
2632 return;
2633
2634 /* setup video hardware for the given mode */
2635 switch (scp->mode) {
2636 case M_VGA_M80x60:
2637 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64);
2638 goto special_80x60;
2639
2640 case M_VGA_C80x60:
2641 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64);
2642special_80x60:
2643 special_modetable[2] = 0x08;
2644 special_modetable[19] = 0x47;
2645 goto special_480l;
2646
2647 case M_VGA_M80x30:
2648 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64);
2649 goto special_80x30;
2650
2651 case M_VGA_C80x30:
2652 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64);
2653special_80x30:
2654 special_modetable[19] = 0x4f;
2655special_480l:
2656 special_modetable[9] |= 0xc0;
2657 special_modetable[16] = 0x08;
2658 special_modetable[17] = 0x3e;
2659 special_modetable[26] = 0xea;
2660 special_modetable[28] = 0xdf;
2661 special_modetable[31] = 0xe7;
2662 special_modetable[32] = 0x04;
2663 modetable = special_modetable;
2664 goto setup_mode;
2665
2666 case M_ENH_B80x43:
2667 bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64);
2668 goto special_80x43;
2669
2670 case M_ENH_C80x43:
2671 bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64);
2672special_80x43:
2673 special_modetable[28] = 87;
2674 goto special_80x50;
2675
2676 case M_VGA_M80x50:
2677 bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64);
2678 goto special_80x50;
2679
2680 case M_VGA_C80x50:
2681 bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64);
2682special_80x50:
2683 special_modetable[2] = 8;
2684 special_modetable[19] = 7;
2685 modetable = special_modetable;
2686 goto setup_mode;
2687
2688 case M_VGA_C40x25: case M_VGA_C80x25:
2689 case M_VGA_M80x25:
2690 case M_B40x25: case M_C40x25:
2691 case M_B80x25: case M_C80x25:
2692 case M_ENH_B40x25: case M_ENH_C40x25:
2693 case M_ENH_B80x25: case M_ENH_C80x25:
2694
2695 modetable = video_mode_ptr + (scp->mode * 64);
2696setup_mode:
2697 set_vgaregs(modetable);
2698 font_size = *(modetable + 2);
2699
2700 /* set font type (size) */
2701 switch (font_size) {
2702 case 0x10:
2703 outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */
2704 scp->font = FONT_16;
2705 break;
2706 case 0x0E:
2707 outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */
2708 scp->font = FONT_14;
2709 break;
2710 default:
2711 case 0x08:
2712 outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */
2713 scp->font = FONT_8;
2714 break;
2715 }
2716 if (configuration & CHAR_CURSOR)
2717 set_destructive_cursor(scp, TRUE);
2718 break;
2719
2720 case M_BG320: case M_CG320: case M_BG640:
2721 case M_CG320_D: case M_CG640_E:
2722 case M_CG640x350: case M_ENH_CG640:
2723 case M_BG640x480: case M_CG640x480: case M_VGA_CG320:
2724
2725 set_vgaregs(video_mode_ptr + (scp->mode * 64));
2726 break;
2727
2728 default:
2729 /* call user defined function XXX */
2730 break;
2731 }
2732
2733 /* set border color for this (virtual) console */
2734 set_border(scp->border);
2735 return;
2736}
2737
2738void
2739set_border(int color)
2740{
2741 inb(crtc_addr+6); /* reset flip-flop */
2742 outb(ATC, 0x11); outb(ATC, color);
2743 inb(crtc_addr+6); /* reset flip-flop */
2744 outb(ATC, 0x20); /* enable Palette */
2745}
2746
2747static void
2748set_vgaregs(char *modetable)
2749{
2750 int i, s = splhigh();
2751
2752 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */
2753 outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */
2754 for (i=0; i<4; i++) { /* program sequencer */
2755 outb(TSIDX, i+1);
2756 outb(TSREG, modetable[i+5]);
2757 }
2758 outb(MISC, modetable[9]); /* set dot-clock */
2759 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */
2760 outb(crtc_addr, 0x11);
2761 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F);
2762 for (i=0; i<25; i++) { /* program crtc */
2763 outb(crtc_addr, i);
2764 if (i == 14 || i == 15) /* no hardware cursor */
2765 outb(crtc_addr+1, 0xff);
2766 else
2767 outb(crtc_addr+1, modetable[i+10]);
2768 }
2769 inb(crtc_addr+6); /* reset flip-flop */
2770 for (i=0; i<20; i++) { /* program attribute ctrl */
2771 outb(ATC, i);
2772 outb(ATC, modetable[i+35]);
2773 }
2774 for (i=0; i<9; i++) { /* program graph data ctrl */
2775 outb(GDCIDX, i);
2776 outb(GDCREG, modetable[i+55]);
2777 }
2778 inb(crtc_addr+6); /* reset flip-flop */
2779 outb(ATC ,0x20); /* enable palette */
2780 splx(s);
2781}
2782
2783static void
2784set_font_mode()
2785{
2786 /* setup vga for loading fonts (graphics plane mode) */
2787 inb(crtc_addr+6);
2788 outb(ATC, 0x30); outb(ATC, 0x01);
2789#if SLOW_VGA
2790 outb(TSIDX, 0x02); outb(TSREG, 0x04);
2791 outb(TSIDX, 0x04); outb(TSREG, 0x06);
2792 outb(GDCIDX, 0x04); outb(GDCREG, 0x02);
2793 outb(GDCIDX, 0x05); outb(GDCREG, 0x00);
2794 outb(GDCIDX, 0x06); outb(GDCREG, 0x05);
2795#else
2796 outw(TSIDX, 0x0402);
2797 outw(TSIDX, 0x0604);
2798 outw(GDCIDX, 0x0204);
2799 outw(GDCIDX, 0x0005);
2800 outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */
2801#endif
2802}
2803
2804static void
2805set_normal_mode()
2806{
2807 int s = splhigh();
2808
2809 /* setup vga for normal operation mode again */
2810 inb(crtc_addr+6);
2811 outb(ATC, 0x30); outb(ATC, 0x0C);
2812#if SLOW_VGA
2813 outb(TSIDX, 0x02); outb(TSREG, 0x03);
2814 outb(TSIDX, 0x04); outb(TSREG, 0x02);
2815 outb(GDCIDX, 0x04); outb(GDCREG, 0x00);
2816 outb(GDCIDX, 0x05); outb(GDCREG, 0x10);
2817 if (crtc_addr == MONO_BASE) {
2818 outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */
2819 }
2820 else {
2821 outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */
2822 }
2823#else
2824 outw(TSIDX, 0x0302);
2825 outw(TSIDX, 0x0204);
2826 outw(GDCIDX, 0x0004);
2827 outw(GDCIDX, 0x1005);
2828 if (crtc_addr == MONO_BASE)
2829 outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */
2830 else
2831 outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */
2832#endif
2833 splx(s);
2834}
2835
2836static void
2837copy_font(int operation, int font_type, char* font_image)
2838{
2839 int ch, line, segment, fontsize;
2840 u_char val;
2841
2842 switch (font_type) {
2843 default:
2844 case FONT_8:
2845 segment = 0x8000;
2846 fontsize = 8;
2847 break;
2848 case FONT_14:
2849 segment = 0x4000;
2850 fontsize = 14;
2851 break;
2852 case FONT_16:
2853 segment = 0x0000;
2854 fontsize = 16;
2855 break;
2856 }
2857 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */
2858 outb(TSIDX, 0x01); outb(TSREG, val | 0x20);
2859 set_font_mode();
2860 for (ch=0; ch < 256; ch++)
2861 for (line=0; line < fontsize; line++)
2862 if (operation)
2863 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) =
2864 font_image[(ch*fontsize)+line];
2865 else
2866 font_image[(ch*fontsize)+line] =
2867 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line);
2868 set_normal_mode();
2869 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */
2870}
2871
2872static void
2873set_destructive_cursor(scr_stat *scp, int force)
2874{
2875 u_char cursor[32];
2876 caddr_t address;
2877 int i, font_size;
2878 char *font_buffer;
2879 static u_char old_saveunder = DEAD_CHAR;
2880
2881 if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder)
2882 return;
2883 old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF;
2884 switch (scp->font) {
2885 default:
2886 case FONT_8:
2887 font_size = 8;
2888 font_buffer = font_8;
2889 address = (caddr_t)VIDEOMEM + 0x8000;
2890 break;
2891 case FONT_14:
2892 font_size = 14;
2893 font_buffer = font_14;
2894 address = (caddr_t)VIDEOMEM + 0x4000;
2895 break;
2896 case FONT_16:
2897 font_size = 16;
2898 font_buffer = font_16;
2899 address = (caddr_t)VIDEOMEM;
2900 break;
2901 }
2902 bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size),
2903 cursor, font_size);
2904 for (i=0; i<32; i++)
2905 if ((i >= scp->cursor_start && i <= scp->cursor_end) ||
2906 (scp->cursor_start >= font_size && i == font_size - 1))
2907 cursor[i] |= 0xff;
2908 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ;
2909 set_font_mode();
2910 bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32);
2911 set_normal_mode();
2912}
2913
2914static void
2915draw_mouse_image(scr_stat *scp)
2916{
2917 caddr_t address;
2918 int i, font_size;
2919 char *font_buffer;
2920 u_short buffer[32];
2921 u_short xoffset, yoffset;
2922 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf);
2923
2924 xoffset = scp->mouse_xpos % 8;
2925 switch (scp->font) {
2926 default:
2927 case FONT_8:
2928 font_size = 8;
2929 font_buffer = font_8;
2930 yoffset = scp->mouse_ypos % 8;
2931 address = (caddr_t)VIDEOMEM + 0x8000;
2932 break;
2933 case FONT_14:
2934 font_size = 14;
2935 font_buffer = font_14;
2936 yoffset = scp->mouse_ypos % 14;
2937 address = (caddr_t)VIDEOMEM + 0x4000;
2938 break;
2939 case FONT_16:
2940 font_size = 16;
2941 font_buffer = font_16;
2942 yoffset = scp->mouse_ypos % 16;
2943 address = (caddr_t)VIDEOMEM;
2944 break;
2945 }
2946
2947 bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size),
2948 &scp->mouse_cursor[0], font_size);
2949 bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size),
2950 &scp->mouse_cursor[32], font_size);
2951 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size),
2952 &scp->mouse_cursor[64], font_size);
2953 bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size),
2954 &scp->mouse_cursor[96], font_size);
2955
2956 for (i=0; i<font_size; i++) {
2957 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32];
2958 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96];
2959 }
2960 for (i=0; i<16; i++) {
2961 buffer[i+yoffset] =
2962 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset))
2963 | (mouse_or_mask[i] >> xoffset);
2964 }
2965 for (i=0; i<font_size; i++) {
2966 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8;
2967 scp->mouse_cursor[i+32] = buffer[i] & 0xff;
2968 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8;
2969 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff;
2970 }
2971 if (scp->status & UPDATE_MOUSE) {
2972 u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat);
2973
2974 if (crt_pos != scp->mouse_oldpos) {
2975 *(scp->mouse_oldpos) = scp->mouse_saveunder[0];
2976 *(scp->mouse_oldpos+1) = scp->mouse_saveunder[1];
2977 *(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2];
2978 *(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3];
2979 }
2980 scp->mouse_saveunder[0] = *(scp->mouse_pos);
2981 scp->mouse_saveunder[1] = *(scp->mouse_pos+1);
2982 scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize);
2983 scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1);
2984 if ((scp->cursor_pos == (ptr)) ||
2985 (scp->cursor_pos == (ptr+1)) ||
2986 (scp->cursor_pos == (ptr+scp->xsize)) ||
2987 (scp->cursor_pos == (ptr+scp->xsize+1)) ||
2988 (scp->cursor_pos == (scp->mouse_pos)) ||
2989 (scp->cursor_pos == (scp->mouse_pos+1)) ||
2990 (scp->cursor_pos == (scp->mouse_pos+scp->xsize)) ||
2991 (scp->cursor_pos == (scp->mouse_pos+scp->xsize+1)))
2992 scp->status &= ~CURSOR_SHOWN;
2993 }
2994 scp->mouse_oldpos = crt_pos;
2995 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ;
2996 *(crt_pos) = *(scp->mouse_pos)&0xff00|0xd0;
2997 *(crt_pos+1) = *(scp->mouse_pos+1)&0xff00|0xd1;
2998 *(crt_pos+scp->xsize) = *(scp->mouse_pos+scp->xsize)&0xff00|0xd2;
2999 *(crt_pos+scp->xsize+1) = *(scp->mouse_pos+scp->xsize+1)&0xff00|0xd3;
3000 set_font_mode();
3001 bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128);
3002 set_normal_mode();
3003}
3004
3005static void
3006save_palette(void)
3007{
3008 int i;
3009
3010 outb(PALRADR, 0x00);
3011 for (i=0x00; i<0x300; i++)
3012 palette[i] = inb(PALDATA);
3013 inb(crtc_addr+6); /* reset flip/flop */
3014}
3015
3016void
3017load_palette(void)
3018{
3019 int i;
3020
3021 outb(PIXMASK, 0xFF); /* no pixelmask */
3022 outb(PALWADR, 0x00);
3023 for (i=0x00; i<0x300; i++)
3024 outb(PALDATA, palette[i]);
3025 inb(crtc_addr+6); /* reset flip/flop */
3026 outb(ATC, 0x20); /* enable palette */
3027}
3028
3029static void
3030do_bell(scr_stat *scp, int pitch, int duration)
3031{
3032 if (scp == cur_console) {
3033 if (configuration & VISUAL_BELL) {
3034 if (blink_in_progress)
3035 return;
3036 blink_in_progress = 4;
3037 blink_screen(scp);
3038 timeout((timeout_func_t)blink_screen, scp, hz/10);
3039 }
3040 else
3041 sysbeep(pitch, duration);
3042 }
3043}
3044
3045static void
3046blink_screen(scr_stat *scp)
3047{
3048 if (blink_in_progress > 1) {
3049 if (blink_in_progress & 1)
3050 fillw(kernel_default.std_attr | scr_map[0x20],
3051 Crtat, scp->xsize * scp->ysize);
3052 else
3053 fillw(kernel_default.rev_attr | scr_map[0x20],
3054 Crtat, scp->xsize * scp->ysize);
3055 blink_in_progress--;
3056 timeout((timeout_func_t)blink_screen, scp, hz/10);
3057 }
3058 else {
3059 blink_in_progress = FALSE;
3060 mark_all(scp);
3061 if (delayed_next_scr)
3062 switch_scr(scp, delayed_next_scr - 1);
3063 }
3064}
3065
3066#endif /* NSC */
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