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 terminal_input_char(vw->vw_terminal, KEYCHAR(c));
522 terminal_input_raw(vw->vw_terminal, c);
528 vt_kbdevent(keyboard_t *kbd, int event, void *arg)
530 struct vt_device *vd = arg;
536 case KBDIO_UNLOADING:
538 vd->vd_keyboard = -1;
539 kbd_release(kbd, (void *)&vd->vd_keyboard);
546 while ((c = kbdd_read_char(kbd, 0)) != NOKEY)
547 vt_processkey(kbd, vd, c);
553 vt_allocate_keyboard(struct vt_device *vd)
559 idx0 = kbd_allocate("kbdmux", -1, (void *)&vd->vd_keyboard,
561 /* XXX: kb_token lost */
562 vd->vd_keyboard = idx0;
564 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0);
565 k0 = kbd_get_keyboard(idx0);
567 for (idx = kbd_find_keyboard2("*", -1, 0);
569 idx = kbd_find_keyboard2("*", -1, idx + 1)) {
570 k = kbd_get_keyboard(idx);
572 if (idx == idx0 || KBD_IS_BUSY(k))
575 bzero(&ki, sizeof(ki));
576 strcpy(ki.kb_name, k->kb_name);
577 ki.kb_unit = k->kb_unit;
579 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki);
582 DPRINTF(20, "%s: no kbdmux allocated\n", __func__);
583 idx0 = kbd_allocate("*", -1, (void *)&vd->vd_keyboard,
586 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard);
592 vtterm_bell(struct terminal *tm)
594 struct vt_window *vw = tm->tm_softc;
595 struct vt_device *vd = vw->vw_device;
597 if (vd->vd_flags & VDF_QUIET_BELL)
600 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION);
604 vtterm_cursor(struct terminal *tm, const term_pos_t *p)
606 struct vt_window *vw = tm->tm_softc;
608 vtbuf_cursor_position(&vw->vw_buf, p);
612 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c)
614 struct vt_window *vw = tm->tm_softc;
616 vtbuf_putchar(&vw->vw_buf, p, c);
620 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c)
622 struct vt_window *vw = tm->tm_softc;
624 vtbuf_fill_locked(&vw->vw_buf, r, c);
628 vtterm_copy(struct terminal *tm, const term_rect_t *r,
631 struct vt_window *vw = tm->tm_softc;
633 vtbuf_copy(&vw->vw_buf, r, p);
637 vtterm_param(struct terminal *tm, int cmd, unsigned int arg)
639 struct vt_window *vw = tm->tm_softc;
643 vtbuf_cursor_visibility(&vw->vw_buf, arg);
646 vw->vw_mouse_level = arg;
652 vt_determine_colors(term_char_t c, int cursor,
653 term_color_t *fg, term_color_t *bg)
660 *fg = TCHAR_FGCOLOR(c);
661 if (TCHAR_FORMAT(c) & TF_BOLD)
662 *fg = TCOLOR_LIGHT(*fg);
663 *bg = TCHAR_BGCOLOR(c);
665 if (TCHAR_FORMAT(c) & TF_REVERSE)
678 vt_bitblt_char(struct vt_device *vd, struct vt_font *vf, term_char_t c,
679 int iscursor, unsigned int row, unsigned int col)
683 vt_determine_colors(c, iscursor, &fg, &bg);
689 src = vtfont_lookup(vf, c);
692 * Align the terminal to the centre of the screen.
693 * Fonts may not always be able to fill the entire
696 top = row * vf->vf_height + vd->vd_offset.tp_row;
697 left = col * vf->vf_width + vd->vd_offset.tp_col;
699 vd->vd_driver->vd_bitbltchr(vd, src, NULL, 0, top, left,
700 vf->vf_width, vf->vf_height, fg, bg);
702 vd->vd_driver->vd_putchar(vd, TCHAR_CHARACTER(c),
708 vt_flush(struct vt_device *vd)
710 struct vt_window *vw;
712 struct vt_bufmask tmask;
713 unsigned int row, col;
717 #ifndef SC_NO_CUTPASTE
718 struct mouse_cursor *m;
722 vw = vd->vd_curwindow;
726 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL))
729 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY)
732 vtbuf_undirty(&vw->vw_buf, &tarea, &tmask);
733 vt_termsize(vd, vf, &size);
735 /* Force a full redraw when the screen contents are invalid. */
736 if (vd->vd_flags & VDF_INVALID) {
737 tarea.tr_begin.tp_row = tarea.tr_begin.tp_col = 0;
739 tmask.vbm_row = tmask.vbm_col = VBM_DIRTY;
741 vd->vd_flags &= ~VDF_INVALID;
744 #ifndef SC_NO_CUTPASTE
745 if ((vw->vw_flags & VWF_MOUSE_HIDE) == 0) {
746 /* Mark last mouse position as dirty to erase. */
747 vtbuf_mouse_cursor_position(&vw->vw_buf, vd->vd_mdirtyx,
752 for (row = tarea.tr_begin.tp_row; row < tarea.tr_end.tp_row; row++) {
753 if (!VTBUF_DIRTYROW(&tmask, row))
755 r = VTBUF_GET_ROW(&vw->vw_buf, row);
756 for (col = tarea.tr_begin.tp_col;
757 col < tarea.tr_end.tp_col; col++) {
758 if (!VTBUF_DIRTYCOL(&tmask, col))
761 vt_bitblt_char(vd, vf, r[col],
762 VTBUF_ISCURSOR(&vw->vw_buf, row, col), row, col);
766 #ifndef SC_NO_CUTPASTE
767 /* Mouse disabled. */
768 if (vw->vw_flags & VWF_MOUSE_HIDE)
771 /* No mouse for DDB. */
772 if (kdb_active || panicstr != NULL)
775 if ((vd->vd_flags & (VDF_MOUSECURSOR|VDF_TEXTMODE)) ==
777 m = &vt_default_mouse_pointer;
778 bpl = (m->w + 7) >> 3; /* Bytes per sorce line. */
782 if ((vd->vd_mx + m->w) > (size.tp_col * vf->vf_width))
783 w = (size.tp_col * vf->vf_width) - vd->vd_mx - 1;
784 if ((vd->vd_my + m->h) > (size.tp_row * vf->vf_height))
785 h = (size.tp_row * vf->vf_height) - vd->vd_my - 1;
787 vd->vd_driver->vd_maskbitbltchr(vd, m->map, m->mask, bpl,
788 vd->vd_offset.tp_row + vd->vd_my,
789 vd->vd_offset.tp_col + vd->vd_mx,
790 w, h, TC_WHITE, TC_BLACK);
791 /* Save point of last mouse cursor to erase it later. */
792 vd->vd_mdirtyx = vd->vd_mx / vf->vf_width;
793 vd->vd_mdirtyy = vd->vd_my / vf->vf_height;
801 struct vt_device *vd;
804 /* Update screen if required. */
807 /* Schedule for next update. */
808 callout_schedule(&vd->vd_timer, hz / VT_TIMERFREQ);
812 vtterm_done(struct terminal *tm)
814 struct vt_window *vw = tm->tm_softc;
815 struct vt_device *vd = vw->vw_device;
817 if (kdb_active || panicstr != NULL) {
818 /* Switch to the debugger. */
819 if (vd->vd_curwindow != vw) {
820 vd->vd_curwindow = vw;
821 vd->vd_flags |= VDF_INVALID;
822 if (vd->vd_driver->vd_postswitch)
823 vd->vd_driver->vd_postswitch(vd);
825 vd->vd_flags &= ~VDF_SPLASH;
827 } else if (!(vd->vd_flags & VDF_ASYNC)) {
834 vtterm_splash(struct vt_device *vd)
838 /* Display a nice boot splash. */
839 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) {
841 top = (vd->vd_height - vt_logo_height) / 2;
842 left = (vd->vd_width - vt_logo_width) / 2;
843 switch (vt_logo_depth) {
845 /* XXX: Unhardcode colors! */
846 vd->vd_driver->vd_bitbltchr(vd, vt_logo_image, NULL, 0,
847 top, left, vt_logo_width, vt_logo_height, 0xf, 0x0);
849 vd->vd_flags |= VDF_SPLASH;
855 vtterm_cnprobe(struct terminal *tm, struct consdev *cp)
857 struct vt_window *vw = tm->tm_softc;
858 struct vt_device *vd = vw->vw_device;
861 if (vd->vd_flags & VDF_INITIALIZED)
862 /* Initialization already done. */
865 cp->cn_pri = vd->vd_driver->vd_init(vd);
866 if (cp->cn_pri == CN_DEAD) {
867 vd->vd_flags |= VDF_DEAD;
871 /* Initialize any early-boot keyboard drivers */
872 kbd_configure(KB_CONF_PROBE_ONLY);
874 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1);
875 vd->vd_windows[VT_CONSWINDOW] = vw;
876 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw));
878 if (!(vd->vd_flags & VDF_TEXTMODE))
879 vw->vw_font = vtfont_ref(&vt_font_default);
881 vtbuf_init_early(&vw->vw_buf);
882 vt_winsize(vd, vw->vw_font, &wsz);
883 terminal_set_winsize(tm, &wsz);
889 vd->vd_flags |= VDF_INITIALIZED;
894 vtterm_cngetc(struct terminal *tm)
896 struct vt_window *vw = tm->tm_softc;
897 struct vt_device *vd = vw->vw_device;
902 if (vw->vw_kbdsq && *vw->vw_kbdsq)
903 return (*vw->vw_kbdsq++);
906 /* Make sure the splash screen is not there. */
907 if (vd->vd_flags & VDF_SPLASH) {
909 vd->vd_flags &= ~VDF_SPLASH;
910 /* Mark screen as invalid to force update */
911 vd->vd_flags |= VDF_INVALID;
915 /* Stripped down keyboard handler. */
916 kbd = kbd_get_keyboard(vd->vd_keyboard);
920 /* Force keyboard input mode to K_XLATE */
922 kbdd_ioctl(kbd, KDSKBMODE, (void *)&c);
924 /* Switch the keyboard to polling to make it work here. */
925 kbdd_poll(kbd, TRUE);
926 c = kbdd_read_char(kbd, 0);
927 kbdd_poll(kbd, FALSE);
931 if (vw->vw_flags & VWF_SCROLL) {
932 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */);
937 /* Stripped down handling of vt_kbdevent(), without locking, etc. */
941 kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state);
943 /* Turn scrolling on. */
944 vw->vw_flags |= VWF_SCROLL;
945 VTBUF_SLCK_ENABLE(&vw->vw_buf);
947 /* Turn scrolling off. */
948 vt_scroll(vw, 0, VHS_END);
949 vw->vw_flags &= ~VWF_SCROLL;
950 VTBUF_SLCK_DISABLE(&vw->vw_buf);
953 /* XXX: KDB can handle history. */
954 case SPCLKEY | FKEY | F(50): /* Arrow up. */
955 vw->vw_kbdsq = "\x1b[A";
957 case SPCLKEY | FKEY | F(58): /* Arrow down. */
958 vw->vw_kbdsq = "\x1b[B";
960 case SPCLKEY | FKEY | F(55): /* Arrow right. */
961 vw->vw_kbdsq = "\x1b[C";
963 case SPCLKEY | FKEY | F(53): /* Arrow left. */
964 vw->vw_kbdsq = "\x1b[D";
968 /* Force refresh to make scrollback work. */
970 } else if (KEYFLAGS(c) == 0) {
974 if (vw->vw_kbdsq && *vw->vw_kbdsq)
975 return (*vw->vw_kbdsq++);
981 vtterm_opened(struct terminal *tm, int opened)
983 struct vt_window *vw = tm->tm_softc;
984 struct vt_device *vd = vw->vw_device;
987 vd->vd_flags &= ~VDF_SPLASH;
989 vw->vw_flags |= VWF_OPENED;
991 vw->vw_flags &= ~VWF_OPENED;
992 /* TODO: finish ACQ/REL */
998 vt_change_font(struct vt_window *vw, struct vt_font *vf)
1000 struct vt_device *vd = vw->vw_device;
1001 struct terminal *tm = vw->vw_terminal;
1008 * Changing fonts is a little tricky. We must prevent
1009 * simultaneous access to the device, so we must stop
1010 * the display timer and the terminal from accessing.
1011 * We need to switch fonts and grow our screen buffer.
1013 * XXX: Right now the code uses terminal_mute() to
1014 * prevent data from reaching the console driver while
1015 * resizing the screen buffer. This isn't elegant...
1019 if (vw->vw_flags & VWF_BUSY) {
1020 /* Another process is changing the font. */
1024 if (vw->vw_font == NULL) {
1025 /* Our device doesn't need fonts. */
1029 vw->vw_flags |= VWF_BUSY;
1032 vt_termsize(vd, vf, &size);
1033 vt_winsize(vd, vf, &wsz);
1034 /* Save offset to font aligned area. */
1035 vd->vd_offset.tp_col = (vd->vd_width % vf->vf_width) / 2;
1036 vd->vd_offset.tp_row = (vd->vd_height % vf->vf_height) / 2;
1038 /* Grow the screen buffer and terminal. */
1039 terminal_mute(tm, 1);
1040 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size);
1041 terminal_set_winsize_blank(tm, &wsz, 0);
1042 terminal_mute(tm, 0);
1044 /* Actually apply the font to the current window. */
1046 vtfont_unref(vw->vw_font);
1047 vw->vw_font = vtfont_ref(vf);
1049 /* Force a full redraw the next timer tick. */
1050 if (vd->vd_curwindow == vw)
1051 vd->vd_flags |= VDF_INVALID;
1052 vw->vw_flags &= ~VWF_BUSY;
1058 vt_set_border(struct vt_window *vw, struct vt_font *vf, term_color_t c)
1060 struct vt_device *vd = vw->vw_device;
1061 int l, r, t, b, w, h;
1063 if (vd->vd_driver->vd_drawrect == NULL)
1066 w = vd->vd_width - 1;
1067 h = vd->vd_height - 1;
1068 l = vd->vd_offset.tp_col - 1;
1070 t = vd->vd_offset.tp_row - 1;
1073 vd->vd_driver->vd_drawrect(vd, 0, 0, w, t, 1, c); /* Top bar. */
1074 vd->vd_driver->vd_drawrect(vd, 0, t, l, b, 1, c); /* Left bar. */
1075 vd->vd_driver->vd_drawrect(vd, r, t, w, b, 1, c); /* Right bar. */
1076 vd->vd_driver->vd_drawrect(vd, 0, b, w, h, 1, c); /* Bottom bar. */
1082 vt_proc_alive(struct vt_window *vw)
1086 if (vw->vw_smode.mode != VT_PROCESS)
1090 if ((p = pfind(vw->vw_pid)) != NULL)
1092 if (vw->vw_proc == p)
1095 vw->vw_smode.mode = VT_AUTO;
1096 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid);
1103 signal_vt_rel(struct vt_window *vw)
1106 if (vw->vw_smode.mode != VT_PROCESS)
1108 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1113 vw->vw_flags |= VWF_SWWAIT_REL;
1114 PROC_LOCK(vw->vw_proc);
1115 kern_psignal(vw->vw_proc, vw->vw_smode.relsig);
1116 PROC_UNLOCK(vw->vw_proc);
1117 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid);
1122 signal_vt_acq(struct vt_window *vw)
1125 if (vw->vw_smode.mode != VT_PROCESS)
1127 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
1128 cnavailable(vw->vw_terminal->consdev, FALSE);
1129 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1134 vw->vw_flags |= VWF_SWWAIT_ACQ;
1135 PROC_LOCK(vw->vw_proc);
1136 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig);
1137 PROC_UNLOCK(vw->vw_proc);
1138 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid);
1143 finish_vt_rel(struct vt_window *vw, int release, int *s)
1146 if (vw->vw_flags & VWF_SWWAIT_REL) {
1147 vw->vw_flags &= ~VWF_SWWAIT_REL;
1149 callout_drain(&vw->vw_proc_dead_timer);
1150 vt_late_window_switch(vw->vw_switch_to);
1158 finish_vt_acq(struct vt_window *vw)
1161 if (vw->vw_flags & VWF_SWWAIT_ACQ) {
1162 vw->vw_flags &= ~VWF_SWWAIT_ACQ;
1168 #ifndef SC_NO_CUTPASTE
1170 vt_mouse_terminput_button(struct vt_device *vd, int button)
1172 struct vt_window *vw;
1174 char mouseb[6] = "\x1B[M";
1177 vw = vd->vd_curwindow;
1180 /* Translate to char position. */
1181 x = vd->vd_mx / vf->vf_width;
1182 y = vd->vd_my / vf->vf_height;
1183 /* Avoid overflow. */
1184 x = MIN(x, 255 - '!');
1185 y = MIN(y, 255 - '!');
1187 mouseb[3] = ' ' + button;
1188 mouseb[4] = '!' + x;
1189 mouseb[5] = '!' + y;
1191 for (i = 0; i < sizeof(mouseb); i++ )
1192 terminal_input_char(vw->vw_terminal, mouseb[i]);
1196 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event,
1201 case MOUSE_BUTTON_EVENT:
1203 /* Mouse button pressed. */
1204 if (event & MOUSE_BUTTON1DOWN)
1205 vt_mouse_terminput_button(vd, 0);
1206 if (event & MOUSE_BUTTON2DOWN)
1207 vt_mouse_terminput_button(vd, 1);
1208 if (event & MOUSE_BUTTON3DOWN)
1209 vt_mouse_terminput_button(vd, 2);
1211 /* Mouse button released. */
1212 vt_mouse_terminput_button(vd, 3);
1216 case MOUSE_MOTION_EVENT:
1217 if (mouse->u.data.z < 0) {
1219 sc_mouse_input_button(vd, 64);
1220 } else if (mouse->u.data.z > 0) {
1222 sc_mouse_input_button(vd, 65);
1230 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel)
1232 struct vt_device *vd;
1233 struct vt_window *vw;
1240 vw = vd->vd_curwindow;
1244 if (vw->vw_flags & VWF_MOUSE_HIDE)
1245 return; /* Mouse disabled. */
1247 if (vf == NULL) /* Text mode. */
1251 * TODO: add flag about pointer position changed, to not redraw chars
1252 * under mouse pointer when nothing changed.
1255 if (vw->vw_mouse_level > 0)
1256 vt_mouse_terminput(vd, type, x, y, event, cnt);
1260 case MOUSE_MOTION_EVENT:
1265 vt_termsize(vd, vf, &size);
1270 x = MIN(x, (size.tp_col * vf->vf_width) - 1);
1271 y = MIN(y, (size.tp_row * vf->vf_height) - 1);
1275 if ((vd->vd_mstate & MOUSE_BUTTON1DOWN) &&
1276 (vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE,
1277 vd->vd_mx / vf->vf_width,
1278 vd->vd_my / vf->vf_height) == 1)) {
1281 * We have something marked to copy, so update pointer
1282 * to window with selection.
1284 vd->vd_markedwin = vw;
1287 case MOUSE_BUTTON_EVENT:
1295 case MOUSE_BUTTON1DOWN:
1298 mark = VTB_MARK_END;
1300 case 1: /* single click: start cut operation */
1301 mark = VTB_MARK_START;
1303 case 2: /* double click: cut a word */
1304 mark = VTB_MARK_WORD;
1306 case 3: /* triple click: cut a line */
1307 mark = VTB_MARK_ROW;
1311 case VT_MOUSE_PASTEBUTTON:
1316 if (vd->vd_markedwin == NULL)
1318 /* Get current selecton size in bytes. */
1319 len = vtbuf_get_marked_len(&vd->vd_markedwin->vw_buf);
1323 buf = malloc(len, M_VT, M_WAITOK | M_ZERO);
1324 /* Request cupy/paste buffer data, no more than `len' */
1325 vtbuf_extract_marked(&vd->vd_markedwin->vw_buf, buf,
1328 len /= sizeof(term_char_t);
1329 for (i = 0; i < len; i++ ) {
1332 terminal_input_char(vw->vw_terminal, buf[i]);
1335 /* Done, so cleanup. */
1340 case VT_MOUSE_EXTENDBUTTON:
1343 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN))
1344 mark = VTB_MARK_EXTEND;
1349 mark = VTB_MARK_EXTEND;
1357 /* Save buttons state. */
1359 vd->vd_mstate |= event;
1361 vd->vd_mstate &= ~event;
1363 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width,
1364 vd->vd_my / vf->vf_height) == 1) {
1366 * We have something marked to copy, so update pointer to
1367 * window with selection.
1369 vd->vd_markedwin = vw;
1374 vt_mouse_state(int show)
1376 struct vt_device *vd;
1377 struct vt_window *vw;
1380 vw = vd->vd_curwindow;
1384 vw->vw_flags |= VWF_MOUSE_HIDE;
1387 vw->vw_flags &= ~VWF_MOUSE_HIDE;
1394 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr,
1395 int nprot, vm_memattr_t *memattr)
1397 struct vt_window *vw = tm->tm_softc;
1398 struct vt_device *vd = vw->vw_device;
1400 if (vd->vd_driver->vd_fb_mmap)
1401 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot,
1408 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data,
1411 struct vt_window *vw = tm->tm_softc;
1412 struct vt_device *vd = vw->vw_device;
1415 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
1416 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
1427 cmd = VT_WAITACTIVE;
1453 ival = IOCPARM_IVAL(data);
1454 data = (caddr_t)&ival;
1459 case KDSETRAD: /* set keyboard repeat & delay rates (old) */
1460 if (*(int *)data & ~0x7f)
1464 case GIO_DEADKEYMAP:
1465 case PIO_DEADKEYMAP:
1470 case KDSKBSTATE: /* set keyboard state (locks) */
1471 case KDGKBSTATE: /* get keyboard state (locks) */
1472 case KDGETREPEAT: /* get keyboard repeat & delay rates */
1473 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
1474 case KDSETLED: /* set keyboard LED status */
1475 case KDGETLED: /* get keyboard LED status */
1476 case KBADDKBD: /* add/remove keyboard to/from mux */
1481 kbd = kbd_get_keyboard(vd->vd_keyboard);
1483 error = kbdd_ioctl(kbd, cmd, data);
1485 if (error == ENOIOCTL) {
1486 if (cmd == KDGKBTYPE) {
1487 /* always return something? XXX */
1499 kbd = kbd_get_keyboard(vd->vd_keyboard);
1501 kbdd_ioctl(kbd, KDGKBMODE, (void *)&mode);
1504 DPRINTF(20, "mode %d, vw_kbdmode %d\n", mode, vw->vw_kbdmode);
1505 *(int *)data = mode;
1511 mode = *(int *)data;
1516 vw->vw_kbdmode = mode;
1517 if (vw == vd->vd_curwindow) {
1522 kbd = kbd_get_keyboard(vd->vd_keyboard);
1524 error = kbdd_ioctl(kbd, KDSKBMODE,
1535 case FBIO_GETWINORG: /* get frame buffer window origin */
1536 case FBIO_GETDISPSTART: /* get display start address */
1537 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
1538 case FBIO_BLANK: /* blank display */
1539 if (vd->vd_driver->vd_fb_ioctl)
1540 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td));
1542 case CONS_BLANKTIME:
1547 *(int *)data = M_CG640x480;
1549 case CONS_BELLTYPE: /* set bell type sound */
1550 if ((*(int *)data) & CONS_QUIET_BELL)
1551 vd->vd_flags |= VDF_QUIET_BELL;
1553 vd->vd_flags &= ~VDF_QUIET_BELL;
1555 case CONS_GETINFO: {
1556 vid_info_t *vi = (vid_info_t *)data;
1558 vi->m_num = vd->vd_curwindow->vw_number + 1;
1559 /* XXX: other fields! */
1563 *(int *)data = 0x200;
1568 case CONS_MOUSECTL: {
1569 mouse_info_t *mouse = (mouse_info_t*)data;
1572 * This has no effect on vt(4). We don't draw any mouse
1573 * cursor. Just ignore MOUSE_HIDE and MOUSE_SHOW to
1574 * prevent excessive errors. All the other commands
1575 * should not be applied to individual TTYs, but only to
1578 switch (mouse->operation) {
1580 vd->vd_flags &= ~VDF_MOUSECURSOR;
1583 vd->vd_mx = vd->vd_width / 2;
1584 vd->vd_my = vd->vd_height / 2;
1585 vd->vd_flags |= VDF_MOUSECURSOR;
1594 error = vtfont_load((void *)data, &vf);
1598 error = vt_change_font(vw, vf);
1600 /* XXX: replace 0 with current bg color. */
1601 vt_set_border(vw, vf, 0);
1607 scrmap_t *sm = (scrmap_t *)data;
1610 /* We don't have screen maps, so return a handcrafted one. */
1611 for (i = 0; i < 256; i++)
1618 case KDENABIO: /* allow io operations */
1619 error = priv_check(td, PRIV_IO);
1622 error = securelevel_gt(td->td_ucred, 0);
1625 #if defined(__i386__)
1626 td->td_frame->tf_eflags |= PSL_IOPL;
1627 #elif defined(__amd64__)
1628 td->td_frame->tf_rflags |= PSL_IOPL;
1631 case KDDISABIO: /* disallow io operations (default) */
1632 #if defined(__i386__)
1633 td->td_frame->tf_eflags &= ~PSL_IOPL;
1634 #elif defined(__amd64__)
1635 td->td_frame->tf_rflags &= ~PSL_IOPL;
1638 case KDMKTONE: /* sound the bell */
1641 case KIOCSOUND: /* make tone (*data) hz */
1644 case CONS_SETKBD: /* set the new keyboard */
1647 if (vd->vd_keyboard != *(int *)data) {
1648 kbd = kbd_get_keyboard(*(int *)data);
1653 i = kbd_allocate(kbd->kb_name, kbd->kb_unit,
1654 (void *)&vd->vd_keyboard, vt_kbdevent, vd);
1656 if (vd->vd_keyboard != -1) {
1658 (void *)&vd->vd_keyboard);
1660 kbd = kbd_get_keyboard(i);
1661 vd->vd_keyboard = i;
1663 (void)kbdd_ioctl(kbd, KDSKBMODE,
1664 (caddr_t)&vd->vd_curwindow->vw_kbdmode);
1666 error = EPERM; /* XXX */
1671 case CONS_RELKBD: /* release the current keyboard */
1674 if (vd->vd_keyboard != -1) {
1675 kbd = kbd_get_keyboard(vd->vd_keyboard);
1680 error = kbd_release(kbd, (void *)&vd->vd_keyboard);
1682 vd->vd_keyboard = -1;
1689 win = *(int *)data - 1;
1690 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME,
1692 if ((win > VT_MAXWINDOWS) || (win < 0))
1694 return (vt_proc_window_switch(vd->vd_windows[win]));
1697 *(int *)data = vd->vd_curwindow->vw_number + 1;
1700 *(int *)data = vw->vw_number + 1;
1703 /* TODO: Check current state, switching can be in progress. */
1704 if ((*(int *)data) & 0x01)
1705 vw->vw_flags |= VWF_VTYLOCK;
1707 vw->vw_flags &= ~VWF_VTYLOCK;
1710 for (i = 0; i < VT_MAXWINDOWS; i++) {
1711 vw = vd->vd_windows[i];
1714 if (!(vw->vw_flags & VWF_OPENED)) {
1715 *(int *)data = vw->vw_number + 1;
1722 case VT_WAITACTIVE: {
1727 idx = *(unsigned int *)data;
1728 if (idx > VT_MAXWINDOWS)
1731 vw = vd->vd_windows[idx - 1];
1734 while (vd->vd_curwindow != vw && error == 0)
1735 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
1739 case VT_SETMODE: { /* set screen switcher mode */
1740 struct vt_mode *mode;
1743 mode = (struct vt_mode *)data;
1744 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw));
1745 if (vw->vw_smode.mode == VT_PROCESS) {
1746 p1 = pfind(vw->vw_pid);
1747 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) {
1750 DPRINTF(5, "error EPERM\n");
1756 if (mode->mode == VT_AUTO) {
1757 vw->vw_smode.mode = VT_AUTO;
1760 DPRINTF(5, "VT_AUTO, ");
1761 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
1762 cnavailable(vw->vw_terminal->consdev, TRUE);
1763 /* were we in the middle of the vty switching process? */
1764 if (finish_vt_rel(vw, TRUE, &s) == 0)
1765 DPRINTF(5, "reset WAIT_REL, ");
1766 if (finish_vt_acq(vw) == 0)
1767 DPRINTF(5, "reset WAIT_ACQ, ");
1769 } else if (mode->mode == VT_PROCESS) {
1770 if (!ISSIGVALID(mode->relsig) ||
1771 !ISSIGVALID(mode->acqsig) ||
1772 !ISSIGVALID(mode->frsig)) {
1773 DPRINTF(5, "error EINVAL\n");
1776 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid);
1777 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode));
1778 vw->vw_proc = td->td_proc;
1779 vw->vw_pid = vw->vw_proc->p_pid;
1780 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
1781 cnavailable(vw->vw_terminal->consdev, FALSE);
1783 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n",
1790 case VT_GETMODE: /* get screen switcher mode */
1791 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode));
1794 case VT_RELDISP: /* screen switcher ioctl */
1796 * This must be the current vty which is in the VT_PROCESS
1799 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode !=
1803 /* ...and this process is controlling it. */
1804 if (vw->vw_proc != td->td_proc) {
1808 switch(*(int *)data) {
1809 case VT_FALSE: /* user refuses to release screen, abort */
1810 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0)
1811 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n",
1812 SC_DRIVER_NAME, VT_UNIT(vw));
1814 case VT_TRUE: /* user has released screen, go on */
1815 /* finish_vt_rel(..., TRUE, ...) should not be locked */
1816 if (vw->vw_flags & VWF_SWWAIT_REL) {
1817 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0)
1818 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n",
1819 SC_DRIVER_NAME, VT_UNIT(vw));
1824 case VT_ACKACQ: /* acquire acknowledged, switch completed */
1825 if ((error = finish_vt_acq(vw)) == 0)
1826 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n",
1827 SC_DRIVER_NAME, VT_UNIT(vw));
1838 static struct vt_window *
1839 vt_allocate_window(struct vt_device *vd, unsigned int window)
1841 struct vt_window *vw;
1842 struct terminal *tm;
1846 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO);
1848 vw->vw_number = window;
1849 vw->vw_kbdmode = K_XLATE;
1851 if (!(vd->vd_flags & VDF_TEXTMODE))
1852 vw->vw_font = vtfont_ref(&vt_font_default);
1854 vt_termsize(vd, vw->vw_font, &size);
1855 vt_winsize(vd, vw->vw_font, &wsz);
1856 vtbuf_init(&vw->vw_buf, &size);
1858 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw);
1859 terminal_set_winsize(tm, &wsz);
1860 vd->vd_windows[window] = vw;
1861 callout_init(&vw->vw_proc_dead_timer, 0);
1867 vt_upgrade(struct vt_device *vd)
1869 struct vt_window *vw;
1872 /* Device didn't pass vd_init() or already upgraded. */
1873 if (vd->vd_flags & (VDF_ASYNC|VDF_DEAD))
1875 vd->vd_flags |= VDF_ASYNC;
1877 mtx_init(&vd->vd_lock, "vtdev", NULL, MTX_DEF);
1878 cv_init(&vd->vd_winswitch, "vtwswt");
1880 /* Init 25 Hz timer. */
1881 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0);
1883 for (i = 0; i < VT_MAXWINDOWS; i++) {
1884 vw = vd->vd_windows[i];
1887 vw = vt_allocate_window(vd, i);
1888 } else if (vw->vw_flags & VWF_CONSOLE) {
1889 /* For existing console window. */
1890 callout_init(&vw->vw_proc_dead_timer, 0);
1892 if (i == VT_CONSWINDOW) {
1893 /* Console window. */
1894 EVENTHANDLER_REGISTER(shutdown_pre_sync,
1895 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT);
1897 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw));
1900 if (vd->vd_curwindow == NULL)
1901 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW];
1903 /* Attach keyboard. */
1904 vt_allocate_keyboard(vd);
1905 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard);
1907 /* Start timer when everything ready. */
1908 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd);
1912 vt_resize(struct vt_device *vd)
1914 struct vt_window *vw;
1917 for (i = 0; i < VT_MAXWINDOWS; i++) {
1918 vw = vd->vd_windows[i];
1919 /* Assign default font to window, if not textmode. */
1920 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL)
1921 vw->vw_font = vtfont_ref(&vt_font_default);
1922 /* Resize terminal windows */
1923 vt_change_font(vw, vw->vw_font);
1928 vt_allocate(struct vt_driver *drv, void *softc)
1930 struct vt_device *vd;
1933 if (main_vd == NULL) {
1934 main_vd = malloc(sizeof *vd, M_VT, M_WAITOK|M_ZERO);
1935 printf("%s: VT initialize with new VT driver.\n", __func__);
1938 * Check if have rights to replace current driver. For example:
1939 * it is bad idea to replace KMS driver with generic VGA one.
1941 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) {
1942 printf("%s: Driver priority %d too low. Current %d\n ",
1943 __func__, drv->vd_priority,
1944 main_vd->vd_driver->vd_priority);
1947 printf("%s: Replace existing VT driver.\n", __func__);
1950 if (drv->vd_maskbitbltchr == NULL)
1951 drv->vd_maskbitbltchr = drv->vd_bitbltchr;
1953 if (vd->vd_flags & VDF_ASYNC) {
1954 /* Stop vt_flush periodic task. */
1955 callout_drain(&vd->vd_timer);
1957 * Mute current terminal until we done. vt_change_font (called
1958 * from vt_resize) will unmute it.
1960 terminal_mute(vd->vd_curwindow->vw_terminal, 1);
1964 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will
1967 vd->vd_flags &= ~VDF_TEXTMODE;
1969 vd->vd_driver = drv;
1970 vd->vd_softc = softc;
1971 vd->vd_driver->vd_init(vd);
1975 /* Refill settings with new sizes. */
1979 if (vd->vd_flags & VDF_SPLASH)
1983 if (vd->vd_flags & VDF_ASYNC) {
1984 terminal_mute(vd->vd_curwindow->vw_terminal, 0);
1985 callout_schedule(&vd->vd_timer, hz / VT_TIMERFREQ);
1988 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal);
1990 /* Update console window sizes to actual. */
1991 vt_winsize(vd, vd->vd_windows[VT_CONSWINDOW]->vw_font, &wsz);
1992 terminal_set_winsize(vd->vd_windows[VT_CONSWINDOW]->vw_terminal, &wsz);
1999 if (vt_suspendswitch == 0)
2001 /* Save current window. */
2002 main_vd->vd_savedwindow = main_vd->vd_curwindow;
2003 /* Ask holding process to free window and switch to console window */
2004 vt_proc_window_switch(main_vd->vd_windows[VT_CONSWINDOW]);
2011 if (vt_suspendswitch == 0)
2013 /* Switch back to saved window */
2014 if (main_vd->vd_savedwindow != NULL)
2015 vt_proc_window_switch(main_vd->vd_savedwindow);
2016 main_vd->vd_savedwindow = NULL;