2 * Copyright (c) 2009, 2013 The FreeBSD Foundation
5 * This software was developed by Ed Schouten under sponsorship from the
8 * Portions of this software were developed by Oleksandr Rybalko
9 * under sponsorship from the FreeBSD Foundation.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include "opt_compat.h"
38 #include <sys/param.h>
39 #include <sys/consio.h>
40 #include <sys/eventhandler.h>
44 #include <sys/kernel.h>
46 #include <sys/malloc.h>
47 #include <sys/mutex.h>
50 #include <sys/reboot.h>
51 #include <sys/systm.h>
52 #include <sys/terminal.h>
54 #include <dev/kbd/kbdreg.h>
55 #include <dev/vt/vt.h>
57 #if defined(__i386__) || defined(__amd64__)
58 #include <machine/psl.h>
59 #include <machine/frame.h>
62 static tc_bell_t vtterm_bell;
63 static tc_cursor_t vtterm_cursor;
64 static tc_putchar_t vtterm_putchar;
65 static tc_fill_t vtterm_fill;
66 static tc_copy_t vtterm_copy;
67 static tc_param_t vtterm_param;
68 static tc_done_t vtterm_done;
70 static tc_cnprobe_t vtterm_cnprobe;
71 static tc_cngetc_t vtterm_cngetc;
73 static tc_opened_t vtterm_opened;
74 static tc_ioctl_t vtterm_ioctl;
75 static tc_mmap_t vtterm_mmap;
77 const struct terminal_class vt_termclass = {
78 .tc_bell = vtterm_bell,
79 .tc_cursor = vtterm_cursor,
80 .tc_putchar = vtterm_putchar,
81 .tc_fill = vtterm_fill,
82 .tc_copy = vtterm_copy,
83 .tc_param = vtterm_param,
84 .tc_done = vtterm_done,
86 .tc_cnprobe = vtterm_cnprobe,
87 .tc_cngetc = vtterm_cngetc,
89 .tc_opened = vtterm_opened,
90 .tc_ioctl = vtterm_ioctl,
91 .tc_mmap = vtterm_mmap,
95 * Use a constant timer of 25 Hz to redraw the screen.
97 * XXX: In theory we should only fire up the timer when there is really
98 * activity. Unfortunately we cannot always start timers. We really
99 * don't want to process kernel messages synchronously, because it
100 * really slows down the system.
102 #define VT_TIMERFREQ 25
104 /* Bell pitch/duration. */
105 #define VT_BELLDURATION ((5 * hz + 99) / 100)
106 #define VT_BELLPITCH 800
108 #define VT_LOCK(vd) mtx_lock(&(vd)->vd_lock)
109 #define VT_UNLOCK(vd) mtx_unlock(&(vd)->vd_lock)
111 #define VT_UNIT(vw) ((vw)->vw_device->vd_unit * VT_MAXWINDOWS + \
114 /* XXX while syscons is here. */
115 int sc_txtmouse_no_retrace_wait;
117 static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD, 0, "vt(9) parameters");
118 VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)");
119 VT_SYSCTL_INT(debug, 0, "vt(9) debug level");
120 VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode");
121 VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend");
123 static unsigned int vt_unit = 0;
124 static MALLOC_DEFINE(M_VT, "vt", "vt device");
125 struct vt_device *main_vd = NULL;
128 extern unsigned int vt_logo_width;
129 extern unsigned int vt_logo_height;
130 extern unsigned int vt_logo_depth;
131 extern unsigned char vt_logo_image[];
134 extern struct vt_font vt_font_default;
135 #ifndef SC_NO_CUTPASTE
136 extern struct mouse_cursor vt_default_mouse_pointer;
139 static int signal_vt_rel(struct vt_window *);
140 static int signal_vt_acq(struct vt_window *);
141 static int finish_vt_rel(struct vt_window *, int, int *);
142 static int finish_vt_acq(struct vt_window *);
143 static int vt_window_switch(struct vt_window *);
144 static int vt_late_window_switch(struct vt_window *);
145 static int vt_proc_alive(struct vt_window *);
146 static void vt_resize(struct vt_device *);
149 vt_switch_timer(void *arg)
152 vt_late_window_switch((struct vt_window *)arg);
156 vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw)
159 DPRINTF(40, "%s\n", __func__);
160 curvw->vw_switch_to = vw;
161 /* Set timer to allow switch in case when process hang. */
162 callout_reset(&vw->vw_proc_dead_timer, hz * vt_deadtimer,
163 vt_switch_timer, (void *)vw);
164 /* Notify process about vt switch attempt. */
165 DPRINTF(30, "%s: Notify process.\n", __func__);
166 signal_vt_rel(curvw);
172 vt_window_postswitch(struct vt_window *vw)
179 /* vt_late_window_switch will done VT switching for regular case. */
181 vt_late_window_switch(struct vt_window *vw)
185 callout_stop(&vw->vw_proc_dead_timer);
187 ret = vt_window_switch(vw);
191 /* Notify owner process about terminal availability. */
192 if (vw->vw_smode.mode == VT_PROCESS) {
193 ret = vt_window_postswitch(vw);
200 vt_proc_window_switch(struct vt_window *vw)
202 struct vt_window *curvw;
203 struct vt_device *vd;
206 if (vw->vw_flags & VWF_VTYLOCK)
210 curvw = vd->vd_curwindow;
212 /* Ask current process permitions to switch away. */
213 if (curvw->vw_smode.mode == VT_PROCESS) {
214 DPRINTF(30, "%s: VT_PROCESS ", __func__);
215 if (vt_proc_alive(curvw) == FALSE) {
216 DPRINTF(30, "Dead. Cleaning.");
219 DPRINTF(30, "%s: Signaling process.\n", __func__);
220 /* Alive, try to ask him. */
221 ret = vt_window_preswitch(vw, curvw);
222 /* Wait for process answer or timeout. */
228 ret = vt_late_window_switch(vw);
232 /* Switch window ignoring process locking. */
234 vt_window_switch(struct vt_window *vw)
236 struct vt_device *vd = vw->vw_device;
237 struct vt_window *curvw = vd->vd_curwindow;
246 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) {
251 vd->vd_curwindow = vw;
252 vd->vd_flags |= VDF_INVALID;
253 cv_broadcast(&vd->vd_winswitch);
256 if (vd->vd_driver->vd_postswitch)
257 vd->vd_driver->vd_postswitch(vd);
259 /* Restore per-window keyboard mode. */
261 kbd = kbd_get_keyboard(vd->vd_keyboard);
263 kbdd_ioctl(kbd, KDSKBMODE, (void *)&vw->vw_kbdmode);
266 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number);
272 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size)
275 size->tp_row = vd->vd_height;
276 size->tp_col = vd->vd_width;
278 size->tp_row /= vf->vf_height;
279 size->tp_col /= vf->vf_width;
284 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size)
287 size->ws_row = size->ws_ypixel = vd->vd_height;
288 size->ws_col = size->ws_xpixel = vd->vd_width;
290 size->ws_row /= vf->vf_height;
291 size->ws_col /= vf->vf_width;
296 vt_scroll(struct vt_window *vw, int offset, int whence)
301 if ((vw->vw_flags & VWF_SCROLL) == 0)
304 vt_termsize(vw->vw_device, vw->vw_font, &size);
306 diff = vthistory_seek(&vw->vw_buf, offset, whence);
308 * Offset changed, please update Nth lines on sceen.
309 * +N - Nth lines at top;
310 * -N - Nth lines at bottom.
313 if (diff < -size.tp_row || diff > size.tp_row) {
314 vw->vw_device->vd_flags |= VDF_INVALID;
317 vw->vw_device->vd_flags |= VDF_INVALID; /*XXX*/
321 vt_machine_kbdevent(int c)
326 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger");
329 /* XXX: Make this configurable! */
333 shutdown_nice(RB_HALT);
336 shutdown_nice(RB_HALT|RB_POWEROFF);
344 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console)
346 struct vt_device *vd;
350 /* Only special keys handled in ScrollLock mode */
351 if ((c & SPCLKEY) == 0)
357 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
358 vw = vd->vd_windows[c - F_SCR];
360 vt_proc_window_switch(vw);
368 /* Turn scrolling off. */
369 vt_scroll(vw, 0, VHS_END);
370 VTBUF_SLCK_DISABLE(&vw->vw_buf);
371 vw->vw_flags &= ~VWF_SCROLL;
374 case FKEY | F(49): /* Home key. */
375 vt_scroll(vw, 0, VHS_SET);
377 case FKEY | F(50): /* Arrow up. */
378 vt_scroll(vw, -1, VHS_CUR);
380 case FKEY | F(51): /* Page up. */
381 vt_termsize(vd, vw->vw_font, &size);
382 vt_scroll(vw, -size.tp_row, VHS_CUR);
384 case FKEY | F(57): /* End key. */
385 vt_scroll(vw, 0, VHS_END);
387 case FKEY | F(58): /* Arrow down. */
388 vt_scroll(vw, 1, VHS_CUR);
390 case FKEY | F(59): /* Page down. */
391 vt_termsize(vd, vw->vw_font, &size);
392 vt_scroll(vw, size.tp_row, VHS_CUR);
401 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c)
403 struct vt_window *vw = vd->vd_curwindow;
406 #if VT_ALT_TO_ESC_HACK
408 switch (c & ~RELKEY) {
409 case (SPCLKEY | RALT):
410 if (vt_enable_altgr != 0)
412 case (SPCLKEY | LALT):
413 vd->vd_kbstate &= ~ALKED;
415 /* Other keys ignored for RELKEY event. */
418 switch (c & ~RELKEY) {
419 case (SPCLKEY | RALT):
420 if (vt_enable_altgr != 0)
422 case (SPCLKEY | LALT):
423 vd->vd_kbstate |= ALKED;
428 /* Other keys ignored for RELKEY event. */
432 if (vt_machine_kbdevent(c))
435 if (vw->vw_flags & VWF_SCROLL) {
436 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */);
437 /* Scroll mode keys handled, nothing to do more. */
444 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
445 vw = vd->vd_windows[c - F_SCR];
447 vt_proc_window_switch(vw);
454 kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state);
457 /* Turn scrolling on. */
458 vw->vw_flags |= VWF_SCROLL;
459 VTBUF_SLCK_ENABLE(&vw->vw_buf);
461 /* Turn scrolling off. */
462 vw->vw_flags &= ~VWF_SCROLL;
463 VTBUF_SLCK_DISABLE(&vw->vw_buf);
464 vt_scroll(vw, 0, VHS_END);
469 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3):
470 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6):
471 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9):
472 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12):
473 /* F1 through F12 keys. */
474 terminal_input_special(vw->vw_terminal,
475 TKEY_F1 + c - (FKEY | F(1)));
477 case FKEY | F(49): /* Home key. */
478 terminal_input_special(vw->vw_terminal, TKEY_HOME);
480 case FKEY | F(50): /* Arrow up. */
481 terminal_input_special(vw->vw_terminal, TKEY_UP);
483 case FKEY | F(51): /* Page up. */
484 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP);
486 case FKEY | F(53): /* Arrow left. */
487 terminal_input_special(vw->vw_terminal, TKEY_LEFT);
489 case FKEY | F(55): /* Arrow right. */
490 terminal_input_special(vw->vw_terminal, TKEY_RIGHT);
492 case FKEY | F(57): /* End key. */
493 terminal_input_special(vw->vw_terminal, TKEY_END);
495 case FKEY | F(58): /* Arrow down. */
496 terminal_input_special(vw->vw_terminal, TKEY_DOWN);
498 case FKEY | F(59): /* Page down. */
499 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN);
501 case FKEY | F(60): /* Insert key. */
502 terminal_input_special(vw->vw_terminal, TKEY_INSERT);
504 case FKEY | F(61): /* Delete key. */
505 terminal_input_special(vw->vw_terminal, TKEY_DELETE);
508 } else if (KEYFLAGS(c) == 0) {
509 /* Don't do UTF-8 conversion when doing raw mode. */
510 if (vw->vw_kbdmode == K_XLATE) {
511 #if VT_ALT_TO_ESC_HACK
512 if (vd->vd_kbstate & ALKED) {
514 * Prepend ESC sequence if one of ALT keys down.
516 terminal_input_char(vw->vw_terminal, 0x1b);
520 kdb_alt_break(c, &vd->vd_altbrk);
522 terminal_input_char(vw->vw_terminal, KEYCHAR(c));
524 terminal_input_raw(vw->vw_terminal, c);
530 vt_kbdevent(keyboard_t *kbd, int event, void *arg)
532 struct vt_device *vd = arg;
538 case KBDIO_UNLOADING:
540 vd->vd_keyboard = -1;
541 kbd_release(kbd, (void *)vd);
548 while ((c = kbdd_read_char(kbd, 0)) != NOKEY)
549 vt_processkey(kbd, vd, c);
555 vt_allocate_keyboard(struct vt_device *vd)
561 idx0 = kbd_allocate("kbdmux", -1, (void *)&vd->vd_keyboard,
563 /* XXX: kb_token lost */
565 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0);
566 k0 = kbd_get_keyboard(idx0);
568 for (idx = kbd_find_keyboard2("*", -1, 0);
570 idx = kbd_find_keyboard2("*", -1, idx + 1)) {
571 k = kbd_get_keyboard(idx);
573 if (idx == idx0 || KBD_IS_BUSY(k))
576 bzero(&ki, sizeof(ki));
577 strcpy(ki.kb_name, k->kb_name);
578 ki.kb_unit = k->kb_unit;
580 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki);
583 DPRINTF(20, "%s: no kbdmux allocated\n", __func__);
584 idx0 = kbd_allocate("*", -1, (void *)&vd->vd_keyboard,
587 vd->vd_keyboard = idx0;
588 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard);
594 vtterm_bell(struct terminal *tm)
596 struct vt_window *vw = tm->tm_softc;
597 struct vt_device *vd = vw->vw_device;
599 if (vd->vd_flags & VDF_QUIET_BELL)
602 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION);
606 vtterm_cursor(struct terminal *tm, const term_pos_t *p)
608 struct vt_window *vw = tm->tm_softc;
610 vtbuf_cursor_position(&vw->vw_buf, p);
614 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c)
616 struct vt_window *vw = tm->tm_softc;
618 vtbuf_putchar(&vw->vw_buf, p, c);
622 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c)
624 struct vt_window *vw = tm->tm_softc;
626 vtbuf_fill_locked(&vw->vw_buf, r, c);
630 vtterm_copy(struct terminal *tm, const term_rect_t *r,
633 struct vt_window *vw = tm->tm_softc;
635 vtbuf_copy(&vw->vw_buf, r, p);
639 vtterm_param(struct terminal *tm, int cmd, unsigned int arg)
641 struct vt_window *vw = tm->tm_softc;
645 vtbuf_cursor_visibility(&vw->vw_buf, arg);
648 vw->vw_mouse_level = arg;
654 vt_determine_colors(term_char_t c, int cursor,
655 term_color_t *fg, term_color_t *bg)
662 *fg = TCHAR_FGCOLOR(c);
663 if (TCHAR_FORMAT(c) & TF_BOLD)
664 *fg = TCOLOR_LIGHT(*fg);
665 *bg = TCHAR_BGCOLOR(c);
667 if (TCHAR_FORMAT(c) & TF_REVERSE)
680 vt_bitblt_char(struct vt_device *vd, struct vt_font *vf, term_char_t c,
681 int iscursor, unsigned int row, unsigned int col)
685 vt_determine_colors(c, iscursor, &fg, &bg);
691 src = vtfont_lookup(vf, c);
694 * Align the terminal to the centre of the screen.
695 * Fonts may not always be able to fill the entire
698 top = row * vf->vf_height + vd->vd_offset.tp_row;
699 left = col * vf->vf_width + vd->vd_offset.tp_col;
701 vd->vd_driver->vd_bitbltchr(vd, src, NULL, 0, top, left,
702 vf->vf_width, vf->vf_height, fg, bg);
704 vd->vd_driver->vd_putchar(vd, TCHAR_CHARACTER(c),
710 vt_flush(struct vt_device *vd)
712 struct vt_window *vw;
714 struct vt_bufmask tmask;
715 unsigned int row, col;
719 #ifndef SC_NO_CUTPASTE
720 struct mouse_cursor *m;
724 vw = vd->vd_curwindow;
728 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL))
731 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY)
734 vtbuf_undirty(&vw->vw_buf, &tarea, &tmask);
735 vt_termsize(vd, vf, &size);
737 /* Force a full redraw when the screen contents are invalid. */
738 if (vd->vd_flags & VDF_INVALID) {
739 tarea.tr_begin.tp_row = tarea.tr_begin.tp_col = 0;
741 tmask.vbm_row = tmask.vbm_col = VBM_DIRTY;
743 vd->vd_flags &= ~VDF_INVALID;
746 #ifndef SC_NO_CUTPASTE
747 if ((vw->vw_flags & VWF_MOUSE_HIDE) == 0) {
748 /* Mark last mouse position as dirty to erase. */
749 vtbuf_mouse_cursor_position(&vw->vw_buf, vd->vd_mdirtyx,
754 for (row = tarea.tr_begin.tp_row; row < tarea.tr_end.tp_row; row++) {
755 if (!VTBUF_DIRTYROW(&tmask, row))
757 r = VTBUF_GET_ROW(&vw->vw_buf, row);
758 for (col = tarea.tr_begin.tp_col;
759 col < tarea.tr_end.tp_col; col++) {
760 if (!VTBUF_DIRTYCOL(&tmask, col))
763 vt_bitblt_char(vd, vf, r[col],
764 VTBUF_ISCURSOR(&vw->vw_buf, row, col), row, col);
768 #ifndef SC_NO_CUTPASTE
769 /* Mouse disabled. */
770 if (vw->vw_flags & VWF_MOUSE_HIDE)
773 /* No mouse for DDB. */
774 if (kdb_active || panicstr != NULL)
777 if ((vd->vd_flags & (VDF_MOUSECURSOR|VDF_TEXTMODE)) ==
779 m = &vt_default_mouse_pointer;
780 bpl = (m->w + 7) >> 3; /* Bytes per sorce line. */
784 if ((vd->vd_mx + m->w) > (size.tp_col * vf->vf_width))
785 w = (size.tp_col * vf->vf_width) - vd->vd_mx - 1;
786 if ((vd->vd_my + m->h) > (size.tp_row * vf->vf_height))
787 h = (size.tp_row * vf->vf_height) - vd->vd_my - 1;
789 vd->vd_driver->vd_maskbitbltchr(vd, m->map, m->mask, bpl,
790 vd->vd_offset.tp_row + vd->vd_my,
791 vd->vd_offset.tp_col + vd->vd_mx,
792 w, h, TC_WHITE, TC_BLACK);
793 /* Save point of last mouse cursor to erase it later. */
794 vd->vd_mdirtyx = vd->vd_mx / vf->vf_width;
795 vd->vd_mdirtyy = vd->vd_my / vf->vf_height;
803 struct vt_device *vd;
806 /* Update screen if required. */
809 /* Schedule for next update. */
810 callout_schedule(&vd->vd_timer, hz / VT_TIMERFREQ);
814 vtterm_done(struct terminal *tm)
816 struct vt_window *vw = tm->tm_softc;
817 struct vt_device *vd = vw->vw_device;
819 if (kdb_active || panicstr != NULL) {
820 /* Switch to the debugger. */
821 if (vd->vd_curwindow != vw) {
822 vd->vd_curwindow = vw;
823 vd->vd_flags |= VDF_INVALID;
824 if (vd->vd_driver->vd_postswitch)
825 vd->vd_driver->vd_postswitch(vd);
827 vd->vd_flags &= ~VDF_SPLASH;
829 } else if (!(vd->vd_flags & VDF_ASYNC)) {
836 vtterm_splash(struct vt_device *vd)
840 /* Display a nice boot splash. */
841 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) {
843 top = (vd->vd_height - vt_logo_height) / 2;
844 left = (vd->vd_width - vt_logo_width) / 2;
845 switch (vt_logo_depth) {
847 /* XXX: Unhardcode colors! */
848 vd->vd_driver->vd_bitbltchr(vd, vt_logo_image, NULL, 0,
849 top, left, vt_logo_width, vt_logo_height, 0xf, 0x0);
851 vd->vd_flags |= VDF_SPLASH;
857 vtterm_cnprobe(struct terminal *tm, struct consdev *cp)
859 struct vt_window *vw = tm->tm_softc;
860 struct vt_device *vd = vw->vw_device;
863 if (vd->vd_flags & VDF_INITIALIZED)
864 /* Initialization already done. */
867 cp->cn_pri = vd->vd_driver->vd_init(vd);
868 if (cp->cn_pri == CN_DEAD) {
869 vd->vd_flags |= VDF_DEAD;
873 /* Initialize any early-boot keyboard drivers */
874 kbd_configure(KB_CONF_PROBE_ONLY);
876 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1);
877 vd->vd_windows[VT_CONSWINDOW] = vw;
878 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw));
880 if (!(vd->vd_flags & VDF_TEXTMODE))
881 vw->vw_font = vtfont_ref(&vt_font_default);
883 vtbuf_init_early(&vw->vw_buf);
884 vt_winsize(vd, vw->vw_font, &wsz);
885 terminal_set_winsize(tm, &wsz);
891 vd->vd_flags |= VDF_INITIALIZED;
896 vtterm_cngetc(struct terminal *tm)
898 struct vt_window *vw = tm->tm_softc;
899 struct vt_device *vd = vw->vw_device;
904 if (vw->vw_kbdsq && *vw->vw_kbdsq)
905 return (*vw->vw_kbdsq++);
908 /* Make sure the splash screen is not there. */
909 if (vd->vd_flags & VDF_SPLASH) {
911 vd->vd_flags &= ~VDF_SPLASH;
912 /* Mark screen as invalid to force update */
913 vd->vd_flags |= VDF_INVALID;
917 /* Stripped down keyboard handler. */
918 kbd = kbd_get_keyboard(vd->vd_keyboard);
922 /* Force keyboard input mode to K_XLATE */
924 kbdd_ioctl(kbd, KDSKBMODE, (void *)&c);
926 /* Switch the keyboard to polling to make it work here. */
927 kbdd_poll(kbd, TRUE);
928 c = kbdd_read_char(kbd, 0);
929 kbdd_poll(kbd, FALSE);
933 if (vw->vw_flags & VWF_SCROLL) {
934 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */);
939 /* Stripped down handling of vt_kbdevent(), without locking, etc. */
943 kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state);
945 /* Turn scrolling on. */
946 vw->vw_flags |= VWF_SCROLL;
947 VTBUF_SLCK_ENABLE(&vw->vw_buf);
949 /* Turn scrolling off. */
950 vt_scroll(vw, 0, VHS_END);
951 vw->vw_flags &= ~VWF_SCROLL;
952 VTBUF_SLCK_DISABLE(&vw->vw_buf);
955 /* XXX: KDB can handle history. */
956 case SPCLKEY | FKEY | F(50): /* Arrow up. */
957 vw->vw_kbdsq = "\x1b[A";
959 case SPCLKEY | FKEY | F(58): /* Arrow down. */
960 vw->vw_kbdsq = "\x1b[B";
962 case SPCLKEY | FKEY | F(55): /* Arrow right. */
963 vw->vw_kbdsq = "\x1b[C";
965 case SPCLKEY | FKEY | F(53): /* Arrow left. */
966 vw->vw_kbdsq = "\x1b[D";
970 /* Force refresh to make scrollback work. */
972 } else if (KEYFLAGS(c) == 0) {
976 if (vw->vw_kbdsq && *vw->vw_kbdsq)
977 return (*vw->vw_kbdsq++);
983 vtterm_opened(struct terminal *tm, int opened)
985 struct vt_window *vw = tm->tm_softc;
986 struct vt_device *vd = vw->vw_device;
989 vd->vd_flags &= ~VDF_SPLASH;
991 vw->vw_flags |= VWF_OPENED;
993 vw->vw_flags &= ~VWF_OPENED;
994 /* TODO: finish ACQ/REL */
1000 vt_change_font(struct vt_window *vw, struct vt_font *vf)
1002 struct vt_device *vd = vw->vw_device;
1003 struct terminal *tm = vw->vw_terminal;
1010 * Changing fonts is a little tricky. We must prevent
1011 * simultaneous access to the device, so we must stop
1012 * the display timer and the terminal from accessing.
1013 * We need to switch fonts and grow our screen buffer.
1015 * XXX: Right now the code uses terminal_mute() to
1016 * prevent data from reaching the console driver while
1017 * resizing the screen buffer. This isn't elegant...
1021 if (vw->vw_flags & VWF_BUSY) {
1022 /* Another process is changing the font. */
1026 if (vw->vw_font == NULL) {
1027 /* Our device doesn't need fonts. */
1031 vw->vw_flags |= VWF_BUSY;
1034 vt_termsize(vd, vf, &size);
1035 vt_winsize(vd, vf, &wsz);
1036 /* Save offset to font aligned area. */
1037 vd->vd_offset.tp_col = (vd->vd_width % vf->vf_width) / 2;
1038 vd->vd_offset.tp_row = (vd->vd_height % vf->vf_height) / 2;
1040 /* Grow the screen buffer and terminal. */
1041 terminal_mute(tm, 1);
1042 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size);
1043 terminal_set_winsize_blank(tm, &wsz, 0);
1044 terminal_mute(tm, 0);
1046 /* Actually apply the font to the current window. */
1048 vtfont_unref(vw->vw_font);
1049 vw->vw_font = vtfont_ref(vf);
1051 /* Force a full redraw the next timer tick. */
1052 if (vd->vd_curwindow == vw)
1053 vd->vd_flags |= VDF_INVALID;
1054 vw->vw_flags &= ~VWF_BUSY;
1060 vt_set_border(struct vt_window *vw, struct vt_font *vf, term_color_t c)
1062 struct vt_device *vd = vw->vw_device;
1063 int l, r, t, b, w, h;
1065 if (vd->vd_driver->vd_drawrect == NULL)
1068 w = vd->vd_width - 1;
1069 h = vd->vd_height - 1;
1070 l = vd->vd_offset.tp_col - 1;
1072 t = vd->vd_offset.tp_row - 1;
1075 vd->vd_driver->vd_drawrect(vd, 0, 0, w, t, 1, c); /* Top bar. */
1076 vd->vd_driver->vd_drawrect(vd, 0, t, l, b, 1, c); /* Left bar. */
1077 vd->vd_driver->vd_drawrect(vd, r, t, w, b, 1, c); /* Right bar. */
1078 vd->vd_driver->vd_drawrect(vd, 0, b, w, h, 1, c); /* Bottom bar. */
1084 vt_proc_alive(struct vt_window *vw)
1088 if (vw->vw_smode.mode != VT_PROCESS)
1092 if ((p = pfind(vw->vw_pid)) != NULL)
1094 if (vw->vw_proc == p)
1097 vw->vw_smode.mode = VT_AUTO;
1098 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid);
1105 signal_vt_rel(struct vt_window *vw)
1108 if (vw->vw_smode.mode != VT_PROCESS)
1110 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1115 vw->vw_flags |= VWF_SWWAIT_REL;
1116 PROC_LOCK(vw->vw_proc);
1117 kern_psignal(vw->vw_proc, vw->vw_smode.relsig);
1118 PROC_UNLOCK(vw->vw_proc);
1119 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid);
1124 signal_vt_acq(struct vt_window *vw)
1127 if (vw->vw_smode.mode != VT_PROCESS)
1129 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
1130 cnavailable(vw->vw_terminal->consdev, FALSE);
1131 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1136 vw->vw_flags |= VWF_SWWAIT_ACQ;
1137 PROC_LOCK(vw->vw_proc);
1138 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig);
1139 PROC_UNLOCK(vw->vw_proc);
1140 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid);
1145 finish_vt_rel(struct vt_window *vw, int release, int *s)
1148 if (vw->vw_flags & VWF_SWWAIT_REL) {
1149 vw->vw_flags &= ~VWF_SWWAIT_REL;
1151 callout_drain(&vw->vw_proc_dead_timer);
1152 vt_late_window_switch(vw->vw_switch_to);
1160 finish_vt_acq(struct vt_window *vw)
1163 if (vw->vw_flags & VWF_SWWAIT_ACQ) {
1164 vw->vw_flags &= ~VWF_SWWAIT_ACQ;
1170 #ifndef SC_NO_CUTPASTE
1172 vt_mouse_terminput_button(struct vt_device *vd, int button)
1174 struct vt_window *vw;
1176 char mouseb[6] = "\x1B[M";
1179 vw = vd->vd_curwindow;
1182 /* Translate to char position. */
1183 x = vd->vd_mx / vf->vf_width;
1184 y = vd->vd_my / vf->vf_height;
1185 /* Avoid overflow. */
1186 x = MIN(x, 255 - '!');
1187 y = MIN(y, 255 - '!');
1189 mouseb[3] = ' ' + button;
1190 mouseb[4] = '!' + x;
1191 mouseb[5] = '!' + y;
1193 for (i = 0; i < sizeof(mouseb); i++ )
1194 terminal_input_char(vw->vw_terminal, mouseb[i]);
1198 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event,
1203 case MOUSE_BUTTON_EVENT:
1205 /* Mouse button pressed. */
1206 if (event & MOUSE_BUTTON1DOWN)
1207 vt_mouse_terminput_button(vd, 0);
1208 if (event & MOUSE_BUTTON2DOWN)
1209 vt_mouse_terminput_button(vd, 1);
1210 if (event & MOUSE_BUTTON3DOWN)
1211 vt_mouse_terminput_button(vd, 2);
1213 /* Mouse button released. */
1214 vt_mouse_terminput_button(vd, 3);
1218 case MOUSE_MOTION_EVENT:
1219 if (mouse->u.data.z < 0) {
1221 sc_mouse_input_button(vd, 64);
1222 } else if (mouse->u.data.z > 0) {
1224 sc_mouse_input_button(vd, 65);
1232 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel)
1234 struct vt_device *vd;
1235 struct vt_window *vw;
1242 vw = vd->vd_curwindow;
1246 if (vw->vw_flags & VWF_MOUSE_HIDE)
1247 return; /* Mouse disabled. */
1249 if (vf == NULL) /* Text mode. */
1253 * TODO: add flag about pointer position changed, to not redraw chars
1254 * under mouse pointer when nothing changed.
1257 if (vw->vw_mouse_level > 0)
1258 vt_mouse_terminput(vd, type, x, y, event, cnt);
1262 case MOUSE_MOTION_EVENT:
1267 vt_termsize(vd, vf, &size);
1272 x = MIN(x, (size.tp_col * vf->vf_width) - 1);
1273 y = MIN(y, (size.tp_row * vf->vf_height) - 1);
1277 if ((vd->vd_mstate & MOUSE_BUTTON1DOWN) &&
1278 (vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE,
1279 vd->vd_mx / vf->vf_width,
1280 vd->vd_my / vf->vf_height) == 1)) {
1283 * We have something marked to copy, so update pointer
1284 * to window with selection.
1286 vd->vd_markedwin = vw;
1289 case MOUSE_BUTTON_EVENT:
1297 case MOUSE_BUTTON1DOWN:
1300 mark = VTB_MARK_END;
1302 case 1: /* single click: start cut operation */
1303 mark = VTB_MARK_START;
1305 case 2: /* double click: cut a word */
1306 mark = VTB_MARK_WORD;
1308 case 3: /* triple click: cut a line */
1309 mark = VTB_MARK_ROW;
1313 case VT_MOUSE_PASTEBUTTON:
1318 if (vd->vd_markedwin == NULL)
1320 /* Get current selecton size in bytes. */
1321 len = vtbuf_get_marked_len(&vd->vd_markedwin->vw_buf);
1325 buf = malloc(len, M_VT, M_WAITOK | M_ZERO);
1326 /* Request cupy/paste buffer data, no more than `len' */
1327 vtbuf_extract_marked(&vd->vd_markedwin->vw_buf, buf,
1330 len /= sizeof(term_char_t);
1331 for (i = 0; i < len; i++ ) {
1334 terminal_input_char(vw->vw_terminal, buf[i]);
1337 /* Done, so cleanup. */
1342 case VT_MOUSE_EXTENDBUTTON:
1345 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN))
1346 mark = VTB_MARK_EXTEND;
1351 mark = VTB_MARK_EXTEND;
1359 /* Save buttons state. */
1361 vd->vd_mstate |= event;
1363 vd->vd_mstate &= ~event;
1365 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width,
1366 vd->vd_my / vf->vf_height) == 1) {
1368 * We have something marked to copy, so update pointer to
1369 * window with selection.
1371 vd->vd_markedwin = vw;
1376 vt_mouse_state(int show)
1378 struct vt_device *vd;
1379 struct vt_window *vw;
1382 vw = vd->vd_curwindow;
1386 vw->vw_flags |= VWF_MOUSE_HIDE;
1389 vw->vw_flags &= ~VWF_MOUSE_HIDE;
1396 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr,
1397 int nprot, vm_memattr_t *memattr)
1399 struct vt_window *vw = tm->tm_softc;
1400 struct vt_device *vd = vw->vw_device;
1402 if (vd->vd_driver->vd_fb_mmap)
1403 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot,
1410 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data,
1413 struct vt_window *vw = tm->tm_softc;
1414 struct vt_device *vd = vw->vw_device;
1417 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
1418 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
1429 cmd = VT_WAITACTIVE;
1455 ival = IOCPARM_IVAL(data);
1456 data = (caddr_t)&ival;
1461 case KDSETRAD: /* set keyboard repeat & delay rates (old) */
1462 if (*(int *)data & ~0x7f)
1466 case GIO_DEADKEYMAP:
1467 case PIO_DEADKEYMAP:
1472 case KDSKBSTATE: /* set keyboard state (locks) */
1473 case KDGKBSTATE: /* get keyboard state (locks) */
1474 case KDGETREPEAT: /* get keyboard repeat & delay rates */
1475 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
1476 case KDSETLED: /* set keyboard LED status */
1477 case KDGETLED: /* get keyboard LED status */
1478 case KBADDKBD: /* add/remove keyboard to/from mux */
1483 kbd = kbd_get_keyboard(vd->vd_keyboard);
1485 error = kbdd_ioctl(kbd, cmd, data);
1487 if (error == ENOIOCTL) {
1488 if (cmd == KDGKBTYPE) {
1489 /* always return something? XXX */
1501 kbd = kbd_get_keyboard(vd->vd_keyboard);
1503 kbdd_ioctl(kbd, KDGKBMODE, (void *)&mode);
1506 DPRINTF(20, "mode %d, vw_kbdmode %d\n", mode, vw->vw_kbdmode);
1507 *(int *)data = mode;
1513 mode = *(int *)data;
1518 vw->vw_kbdmode = mode;
1519 if (vw == vd->vd_curwindow) {
1524 kbd = kbd_get_keyboard(vd->vd_keyboard);
1526 error = kbdd_ioctl(kbd, KDSKBMODE,
1537 case FBIO_GETWINORG: /* get frame buffer window origin */
1538 case FBIO_GETDISPSTART: /* get display start address */
1539 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
1540 case FBIO_BLANK: /* blank display */
1541 if (vd->vd_driver->vd_fb_ioctl)
1542 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td));
1544 case CONS_BLANKTIME:
1549 *(int *)data = M_CG640x480;
1551 case CONS_BELLTYPE: /* set bell type sound */
1552 if ((*(int *)data) & CONS_QUIET_BELL)
1553 vd->vd_flags |= VDF_QUIET_BELL;
1555 vd->vd_flags &= ~VDF_QUIET_BELL;
1557 case CONS_GETINFO: {
1558 vid_info_t *vi = (vid_info_t *)data;
1560 vi->m_num = vd->vd_curwindow->vw_number + 1;
1561 /* XXX: other fields! */
1565 *(int *)data = 0x200;
1570 case CONS_MOUSECTL: {
1571 mouse_info_t *mouse = (mouse_info_t*)data;
1574 * This has no effect on vt(4). We don't draw any mouse
1575 * cursor. Just ignore MOUSE_HIDE and MOUSE_SHOW to
1576 * prevent excessive errors. All the other commands
1577 * should not be applied to individual TTYs, but only to
1580 switch (mouse->operation) {
1582 vd->vd_flags &= ~VDF_MOUSECURSOR;
1585 vd->vd_mx = vd->vd_width / 2;
1586 vd->vd_my = vd->vd_height / 2;
1587 vd->vd_flags |= VDF_MOUSECURSOR;
1596 error = vtfont_load((void *)data, &vf);
1600 error = vt_change_font(vw, vf);
1602 /* XXX: replace 0 with current bg color. */
1603 vt_set_border(vw, vf, 0);
1609 scrmap_t *sm = (scrmap_t *)data;
1612 /* We don't have screen maps, so return a handcrafted one. */
1613 for (i = 0; i < 256; i++)
1620 case KDENABIO: /* allow io operations */
1621 error = priv_check(td, PRIV_IO);
1624 error = securelevel_gt(td->td_ucred, 0);
1627 #if defined(__i386__)
1628 td->td_frame->tf_eflags |= PSL_IOPL;
1629 #elif defined(__amd64__)
1630 td->td_frame->tf_rflags |= PSL_IOPL;
1633 case KDDISABIO: /* disallow io operations (default) */
1634 #if defined(__i386__)
1635 td->td_frame->tf_eflags &= ~PSL_IOPL;
1636 #elif defined(__amd64__)
1637 td->td_frame->tf_rflags &= ~PSL_IOPL;
1640 case KDMKTONE: /* sound the bell */
1643 case KIOCSOUND: /* make tone (*data) hz */
1646 case CONS_SETKBD: /* set the new keyboard */
1649 if (vd->vd_keyboard != *(int *)data) {
1650 kbd = kbd_get_keyboard(*(int *)data);
1655 i = kbd_allocate(kbd->kb_name, kbd->kb_unit,
1656 (void *)vd, vt_kbdevent, vd);
1658 if (vd->vd_keyboard != -1) {
1659 kbd_release(kbd, (void *)vd);
1661 kbd = kbd_get_keyboard(i);
1662 vd->vd_keyboard = i;
1664 (void)kbdd_ioctl(kbd, KDSKBMODE,
1665 (caddr_t)&vd->vd_curwindow->vw_kbdmode);
1667 error = EPERM; /* XXX */
1672 case CONS_RELKBD: /* release the current keyboard */
1675 if (vd->vd_keyboard != -1) {
1676 kbd = kbd_get_keyboard(vd->vd_keyboard);
1681 error = kbd_release(kbd, (void *)vd);
1683 vd->vd_keyboard = -1;
1690 win = *(int *)data - 1;
1691 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME,
1693 if ((win > VT_MAXWINDOWS) || (win < 0))
1695 return (vt_proc_window_switch(vd->vd_windows[win]));
1698 *(int *)data = vd->vd_curwindow->vw_number + 1;
1701 *(int *)data = vw->vw_number + 1;
1704 /* TODO: Check current state, switching can be in progress. */
1705 if ((*(int *)data) & 0x01)
1706 vw->vw_flags |= VWF_VTYLOCK;
1708 vw->vw_flags &= ~VWF_VTYLOCK;
1711 for (i = 0; i < VT_MAXWINDOWS; i++) {
1712 vw = vd->vd_windows[i];
1715 if (!(vw->vw_flags & VWF_OPENED)) {
1716 *(int *)data = vw->vw_number + 1;
1723 case VT_WAITACTIVE: {
1728 idx = *(unsigned int *)data;
1729 if (idx > VT_MAXWINDOWS)
1732 vw = vd->vd_windows[idx - 1];
1735 while (vd->vd_curwindow != vw && error == 0)
1736 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
1740 case VT_SETMODE: { /* set screen switcher mode */
1741 struct vt_mode *mode;
1744 mode = (struct vt_mode *)data;
1745 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw));
1746 if (vw->vw_smode.mode == VT_PROCESS) {
1747 p1 = pfind(vw->vw_pid);
1748 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) {
1751 DPRINTF(5, "error EPERM\n");
1757 if (mode->mode == VT_AUTO) {
1758 vw->vw_smode.mode = VT_AUTO;
1761 DPRINTF(5, "VT_AUTO, ");
1762 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
1763 cnavailable(vw->vw_terminal->consdev, TRUE);
1764 /* were we in the middle of the vty switching process? */
1765 if (finish_vt_rel(vw, TRUE, &s) == 0)
1766 DPRINTF(5, "reset WAIT_REL, ");
1767 if (finish_vt_acq(vw) == 0)
1768 DPRINTF(5, "reset WAIT_ACQ, ");
1770 } else if (mode->mode == VT_PROCESS) {
1771 if (!ISSIGVALID(mode->relsig) ||
1772 !ISSIGVALID(mode->acqsig) ||
1773 !ISSIGVALID(mode->frsig)) {
1774 DPRINTF(5, "error EINVAL\n");
1777 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid);
1778 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode));
1779 vw->vw_proc = td->td_proc;
1780 vw->vw_pid = vw->vw_proc->p_pid;
1781 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
1782 cnavailable(vw->vw_terminal->consdev, FALSE);
1784 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n",
1791 case VT_GETMODE: /* get screen switcher mode */
1792 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode));
1795 case VT_RELDISP: /* screen switcher ioctl */
1797 * This must be the current vty which is in the VT_PROCESS
1800 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode !=
1804 /* ...and this process is controlling it. */
1805 if (vw->vw_proc != td->td_proc) {
1809 switch(*(int *)data) {
1810 case VT_FALSE: /* user refuses to release screen, abort */
1811 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0)
1812 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n",
1813 SC_DRIVER_NAME, VT_UNIT(vw));
1815 case VT_TRUE: /* user has released screen, go on */
1816 /* finish_vt_rel(..., TRUE, ...) should not be locked */
1817 if (vw->vw_flags & VWF_SWWAIT_REL) {
1818 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0)
1819 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n",
1820 SC_DRIVER_NAME, VT_UNIT(vw));
1825 case VT_ACKACQ: /* acquire acknowledged, switch completed */
1826 if ((error = finish_vt_acq(vw)) == 0)
1827 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n",
1828 SC_DRIVER_NAME, VT_UNIT(vw));
1839 static struct vt_window *
1840 vt_allocate_window(struct vt_device *vd, unsigned int window)
1842 struct vt_window *vw;
1843 struct terminal *tm;
1847 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO);
1849 vw->vw_number = window;
1850 vw->vw_kbdmode = K_XLATE;
1852 if (!(vd->vd_flags & VDF_TEXTMODE))
1853 vw->vw_font = vtfont_ref(&vt_font_default);
1855 vt_termsize(vd, vw->vw_font, &size);
1856 vt_winsize(vd, vw->vw_font, &wsz);
1857 vtbuf_init(&vw->vw_buf, &size);
1859 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw);
1860 terminal_set_winsize(tm, &wsz);
1861 vd->vd_windows[window] = vw;
1862 callout_init(&vw->vw_proc_dead_timer, 0);
1868 vt_upgrade(struct vt_device *vd)
1870 struct vt_window *vw;
1873 /* Device didn't pass vd_init() or already upgraded. */
1874 if (vd->vd_flags & (VDF_ASYNC|VDF_DEAD))
1876 vd->vd_flags |= VDF_ASYNC;
1878 mtx_init(&vd->vd_lock, "vtdev", NULL, MTX_DEF);
1879 cv_init(&vd->vd_winswitch, "vtwswt");
1881 /* Init 25 Hz timer. */
1882 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0);
1884 for (i = 0; i < VT_MAXWINDOWS; i++) {
1885 vw = vd->vd_windows[i];
1888 vw = vt_allocate_window(vd, i);
1889 } else if (vw->vw_flags & VWF_CONSOLE) {
1890 /* For existing console window. */
1891 callout_init(&vw->vw_proc_dead_timer, 0);
1893 if (i == VT_CONSWINDOW) {
1894 /* Console window. */
1895 EVENTHANDLER_REGISTER(shutdown_pre_sync,
1896 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT);
1898 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw));
1901 if (vd->vd_curwindow == NULL)
1902 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW];
1904 /* Attach keyboard. */
1905 vt_allocate_keyboard(vd);
1906 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard);
1908 /* Start timer when everything ready. */
1909 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd);
1913 vt_resize(struct vt_device *vd)
1915 struct vt_window *vw;
1918 for (i = 0; i < VT_MAXWINDOWS; i++) {
1919 vw = vd->vd_windows[i];
1920 /* Assign default font to window, if not textmode. */
1921 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL)
1922 vw->vw_font = vtfont_ref(&vt_font_default);
1923 /* Resize terminal windows */
1924 vt_change_font(vw, vw->vw_font);
1929 vt_allocate(struct vt_driver *drv, void *softc)
1931 struct vt_device *vd;
1934 if (main_vd == NULL) {
1935 main_vd = malloc(sizeof *vd, M_VT, M_WAITOK|M_ZERO);
1936 printf("%s: VT initialize with new VT driver.\n", __func__);
1939 * Check if have rights to replace current driver. For example:
1940 * it is bad idea to replace KMS driver with generic VGA one.
1942 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) {
1943 printf("%s: Driver priority %d too low. Current %d\n ",
1944 __func__, drv->vd_priority,
1945 main_vd->vd_driver->vd_priority);
1948 printf("%s: Replace existing VT driver.\n", __func__);
1951 if (drv->vd_maskbitbltchr == NULL)
1952 drv->vd_maskbitbltchr = drv->vd_bitbltchr;
1954 if (vd->vd_flags & VDF_ASYNC) {
1955 /* Stop vt_flush periodic task. */
1956 callout_drain(&vd->vd_timer);
1958 * Mute current terminal until we done. vt_change_font (called
1959 * from vt_resize) will unmute it.
1961 terminal_mute(vd->vd_curwindow->vw_terminal, 1);
1965 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will
1968 vd->vd_flags &= ~VDF_TEXTMODE;
1970 vd->vd_driver = drv;
1971 vd->vd_softc = softc;
1972 vd->vd_driver->vd_init(vd);
1976 /* Refill settings with new sizes. */
1980 if (vd->vd_flags & VDF_SPLASH)
1984 if (vd->vd_flags & VDF_ASYNC) {
1985 terminal_mute(vd->vd_curwindow->vw_terminal, 0);
1986 callout_schedule(&vd->vd_timer, hz / VT_TIMERFREQ);
1989 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal);
1991 /* Update console window sizes to actual. */
1992 vt_winsize(vd, vd->vd_windows[VT_CONSWINDOW]->vw_font, &wsz);
1993 terminal_set_winsize(vd->vd_windows[VT_CONSWINDOW]->vw_terminal, &wsz);
2000 if (vt_suspendswitch == 0)
2002 /* Save current window. */
2003 main_vd->vd_savedwindow = main_vd->vd_curwindow;
2004 /* Ask holding process to free window and switch to console window */
2005 vt_proc_window_switch(main_vd->vd_windows[VT_CONSWINDOW]);
2012 if (vt_suspendswitch == 0)
2014 /* Switch back to saved window */
2015 if (main_vd->vd_savedwindow != NULL)
2016 vt_proc_window_switch(main_vd->vd_savedwindow);
2017 main_vd->vd_savedwindow = NULL;