2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2009, 2013 The FreeBSD Foundation
7 * This software was developed by Ed Schouten under sponsorship from the
10 * Portions of this software were developed by Oleksandr Rybalko
11 * under sponsorship from the FreeBSD Foundation.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
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>
48 #include <sys/power.h>
51 #include <sys/random.h>
52 #include <sys/reboot.h>
53 #include <sys/systm.h>
54 #include <sys/terminal.h>
56 #include <dev/kbd/kbdreg.h>
57 #include <dev/vt/vt.h>
59 #if defined(__i386__) || defined(__amd64__)
60 #include <machine/psl.h>
61 #include <machine/frame.h>
64 static tc_bell_t vtterm_bell;
65 static tc_cursor_t vtterm_cursor;
66 static tc_putchar_t vtterm_putchar;
67 static tc_fill_t vtterm_fill;
68 static tc_copy_t vtterm_copy;
69 static tc_param_t vtterm_param;
70 static tc_done_t vtterm_done;
72 static tc_cnprobe_t vtterm_cnprobe;
73 static tc_cngetc_t vtterm_cngetc;
75 static tc_cngrab_t vtterm_cngrab;
76 static tc_cnungrab_t vtterm_cnungrab;
78 static tc_opened_t vtterm_opened;
79 static tc_ioctl_t vtterm_ioctl;
80 static tc_mmap_t vtterm_mmap;
82 const struct terminal_class vt_termclass = {
83 .tc_bell = vtterm_bell,
84 .tc_cursor = vtterm_cursor,
85 .tc_putchar = vtterm_putchar,
86 .tc_fill = vtterm_fill,
87 .tc_copy = vtterm_copy,
88 .tc_param = vtterm_param,
89 .tc_done = vtterm_done,
91 .tc_cnprobe = vtterm_cnprobe,
92 .tc_cngetc = vtterm_cngetc,
94 .tc_cngrab = vtterm_cngrab,
95 .tc_cnungrab = vtterm_cnungrab,
97 .tc_opened = vtterm_opened,
98 .tc_ioctl = vtterm_ioctl,
99 .tc_mmap = vtterm_mmap,
103 * Use a constant timer of 25 Hz to redraw the screen.
105 * XXX: In theory we should only fire up the timer when there is really
106 * activity. Unfortunately we cannot always start timers. We really
107 * don't want to process kernel messages synchronously, because it
108 * really slows down the system.
110 #define VT_TIMERFREQ 25
112 /* Bell pitch/duration. */
113 #define VT_BELLDURATION ((5 * hz + 99) / 100)
114 #define VT_BELLPITCH 800
116 #define VT_UNIT(vw) ((vw)->vw_device->vd_unit * VT_MAXWINDOWS + \
119 static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD, 0, "vt(9) parameters");
120 static VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)");
121 static VT_SYSCTL_INT(enable_bell, 1, "Enable bell");
122 static VT_SYSCTL_INT(debug, 0, "vt(9) debug level");
123 static VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode");
124 static VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend");
126 /* Allow to disable some keyboard combinations. */
127 static VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. "
128 "See kbdmap(5) to configure.");
129 static VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. "
130 "See kbdmap(5) to configure.");
131 static VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. "
132 "See kbdmap(5) to configure (typically Ctrl-Alt-Delete).");
133 static VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. "
134 "See kbdmap(5) to configure (typically Ctrl-Alt-Esc).");
135 static VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. "
136 "See kbdmap(5) to configure.");
138 /* Used internally, not a tunable. */
139 int vt_draw_logo_cpus;
140 VT_SYSCTL_INT(splash_cpu, 0, "Show logo CPUs during boot");
141 VT_SYSCTL_INT(splash_ncpu, 0, "Override number of logos displayed "
142 "(0 = do not override)");
143 VT_SYSCTL_INT(splash_cpu_style, 2, "Draw logo style "
144 "(0 = Alternate beastie, 1 = Beastie, 2 = Orb)");
145 VT_SYSCTL_INT(splash_cpu_duration, 10, "Hide logos after (seconds)");
147 static unsigned int vt_unit = 0;
148 static MALLOC_DEFINE(M_VT, "vt", "vt device");
149 struct vt_device *main_vd = &vt_consdev;
152 extern unsigned int vt_logo_width;
153 extern unsigned int vt_logo_height;
154 extern unsigned int vt_logo_depth;
155 extern unsigned char vt_logo_image[];
157 #define vtterm_draw_cpu_logos(...) do {} while (0)
158 const unsigned int vt_logo_sprite_height;
162 extern struct vt_font vt_font_default;
163 #ifndef SC_NO_CUTPASTE
164 extern struct vt_mouse_cursor vt_default_mouse_pointer;
167 static int signal_vt_rel(struct vt_window *);
168 static int signal_vt_acq(struct vt_window *);
169 static int finish_vt_rel(struct vt_window *, int, int *);
170 static int finish_vt_acq(struct vt_window *);
171 static int vt_window_switch(struct vt_window *);
172 static int vt_late_window_switch(struct vt_window *);
173 static int vt_proc_alive(struct vt_window *);
174 static void vt_resize(struct vt_device *);
175 static void vt_update_static(void *);
176 #ifndef SC_NO_CUTPASTE
177 static void vt_mouse_paste(void);
179 static void vt_suspend_handler(void *priv);
180 static void vt_resume_handler(void *priv);
182 SET_DECLARE(vt_drv_set, struct vt_driver);
184 #define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_MAX_HEIGHT))
185 #define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_MAX_WIDTH))
187 struct terminal vt_consterm;
188 static struct vt_window vt_conswindow;
189 struct vt_device vt_consdev = {
192 .vd_prev_driver = NULL,
193 .vd_prev_softc = NULL,
194 .vd_flags = VDF_INVALID,
195 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, },
196 .vd_curwindow = &vt_conswindow,
199 #ifndef SC_NO_CUTPASTE
205 .vd_mcursor = &vt_default_mouse_pointer,
206 .vd_mcursor_fg = TC_WHITE,
207 .vd_mcursor_bg = TC_BLACK,
210 static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)];
211 static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE];
212 static struct vt_window vt_conswindow = {
213 .vw_number = VT_CONSWINDOW,
214 .vw_flags = VWF_CONSOLE,
216 .vb_buffer = &vt_constextbuf[0],
217 .vb_rows = &vt_constextbufrows[0],
218 .vb_history_size = VBF_DEFAULT_HISTORY_SIZE,
221 .vb_flags = VBF_STATIC,
222 .vb_mark_start = {.tp_row = 0, .tp_col = 0,},
223 .vb_mark_end = {.tp_row = 0, .tp_col = 0,},
229 .vw_device = &vt_consdev,
230 .vw_terminal = &vt_consterm,
231 .vw_kbdmode = K_XLATE,
234 struct terminal vt_consterm = {
235 .tm_class = &vt_termclass,
236 .tm_softc = &vt_conswindow,
239 static struct consdev vt_consterm_consdev = {
240 .cn_ops = &termcn_cnops,
241 .cn_arg = &vt_consterm,
245 /* Add to set of consoles. */
246 DATA_SET(cons_set, vt_consterm_consdev);
249 * Right after kmem is done to allow early drivers to use locking and allocate
252 SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static,
254 /* Delay until all devices attached, to not waste time. */
255 SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade,
258 /* Initialize locks/mem depended members. */
260 vt_update_static(void *dummy)
263 if (!vty_enabled(VTY_VT))
265 if (main_vd->vd_driver != NULL)
266 printf("VT(%s): %s %ux%u\n", main_vd->vd_driver->vd_name,
267 (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution",
268 main_vd->vd_width, main_vd->vd_height);
270 printf("VT: init without driver.\n");
272 mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF);
273 cv_init(&main_vd->vd_winswitch, "vtwswt");
277 vt_schedule_flush(struct vt_device *vd, int ms)
281 /* Default to initial value. */
282 ms = 1000 / VT_TIMERFREQ;
284 callout_schedule(&vd->vd_timer, hz / (1000 / ms));
288 vt_resume_flush_timer(struct vt_device *vd, int ms)
291 if (!(vd->vd_flags & VDF_ASYNC) ||
292 !atomic_cmpset_int(&vd->vd_timer_armed, 0, 1))
295 vt_schedule_flush(vd, ms);
299 vt_suspend_flush_timer(struct vt_device *vd)
302 * As long as this function is called locked, callout_stop()
303 * has the same effect like callout_drain() with regard to
304 * preventing the callback function from executing.
306 VT_LOCK_ASSERT(vd, MA_OWNED);
308 if (!(vd->vd_flags & VDF_ASYNC) ||
309 !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0))
312 callout_stop(&vd->vd_timer);
316 vt_switch_timer(void *arg)
319 vt_late_window_switch((struct vt_window *)arg);
323 vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd)
328 ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode);
334 vw->vw_kbdmode = mode;
340 vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd)
344 ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode);
352 vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd)
357 ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state);
363 vw->vw_kbdstate &= ~LOCK_MASK;
364 vw->vw_kbdstate |= state & LOCK_MASK;
370 vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd)
374 state = vw->vw_kbdstate & LOCK_MASK;
375 ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state);
383 vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd)
388 ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds);
394 vw->vw_kbdstate &= ~LED_MASK;
395 vw->vw_kbdstate |= leds & LED_MASK;
401 vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd)
405 leds = vw->vw_kbdstate & LED_MASK;
406 ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds);
414 vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw)
417 DPRINTF(40, "%s\n", __func__);
418 curvw->vw_switch_to = vw;
419 /* Set timer to allow switch in case when process hang. */
420 callout_reset(&vw->vw_proc_dead_timer, hz * vt_deadtimer,
421 vt_switch_timer, (void *)vw);
422 /* Notify process about vt switch attempt. */
423 DPRINTF(30, "%s: Notify process.\n", __func__);
424 signal_vt_rel(curvw);
430 vt_window_postswitch(struct vt_window *vw)
437 /* vt_late_window_switch will done VT switching for regular case. */
439 vt_late_window_switch(struct vt_window *vw)
443 callout_stop(&vw->vw_proc_dead_timer);
445 ret = vt_window_switch(vw);
449 /* Notify owner process about terminal availability. */
450 if (vw->vw_smode.mode == VT_PROCESS) {
451 ret = vt_window_postswitch(vw);
458 vt_proc_window_switch(struct vt_window *vw)
460 struct vt_window *curvw;
461 struct vt_device *vd;
464 /* Prevent switching to NULL */
466 DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__);
470 curvw = vd->vd_curwindow;
472 /* Check if virtual terminal is locked */
473 if (curvw->vw_flags & VWF_VTYLOCK)
476 /* Check if switch already in progress */
477 if (curvw->vw_flags & VWF_SWWAIT_REL) {
478 /* Check if switching to same window */
479 if (curvw->vw_switch_to == vw) {
480 DPRINTF(30, "%s: Switch in progress to same vw.", __func__);
481 return (0); /* success */
483 DPRINTF(30, "%s: Switch in progress to different vw.", __func__);
487 /* Avoid switching to already selected window */
489 DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__);
490 return (0); /* success */
493 /* Ask current process permission to switch away. */
494 if (curvw->vw_smode.mode == VT_PROCESS) {
495 DPRINTF(30, "%s: VT_PROCESS ", __func__);
496 if (vt_proc_alive(curvw) == FALSE) {
497 DPRINTF(30, "Dead. Cleaning.");
500 DPRINTF(30, "%s: Signaling process.\n", __func__);
501 /* Alive, try to ask him. */
502 ret = vt_window_preswitch(vw, curvw);
503 /* Wait for process answer or timeout. */
509 ret = vt_late_window_switch(vw);
513 /* Switch window ignoring process locking. */
515 vt_window_switch(struct vt_window *vw)
517 struct vt_device *vd = vw->vw_device;
518 struct vt_window *curvw = vd->vd_curwindow;
523 * When grabbing the console for the debugger, avoid
524 * locks as that can result in deadlock. While this
525 * could use try locks, that wouldn't really make a
526 * difference as there are sufficient barriers in
527 * debugger entry/exit to be equivalent to
528 * successfully try-locking here.
532 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE)))
535 vd->vd_curwindow = vw;
536 vd->vd_flags |= VDF_INVALID;
537 if (vd->vd_driver->vd_postswitch)
538 vd->vd_driver->vd_postswitch(vd);
548 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) {
553 vt_suspend_flush_timer(vd);
555 vd->vd_curwindow = vw;
556 vd->vd_flags |= VDF_INVALID;
557 cv_broadcast(&vd->vd_winswitch);
560 if (vd->vd_driver->vd_postswitch)
561 vd->vd_driver->vd_postswitch(vd);
563 vt_resume_flush_timer(vd, 0);
565 /* Restore per-window keyboard mode. */
567 kbd = kbd_get_keyboard(vd->vd_keyboard);
569 if (curvw->vw_kbdmode == K_XLATE)
570 vt_save_kbd_state(curvw, kbd);
572 vt_update_kbd_mode(vw, kbd);
573 vt_update_kbd_state(vw, kbd);
576 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number);
582 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size)
585 size->tp_row = vd->vd_height;
586 if (vt_draw_logo_cpus)
587 size->tp_row -= vt_logo_sprite_height;
588 size->tp_col = vd->vd_width;
590 size->tp_row /= vf->vf_height;
591 size->tp_col /= vf->vf_width;
596 vt_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect)
599 rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0;
600 if (vt_draw_logo_cpus)
601 rect->tr_begin.tp_row = vt_logo_sprite_height;
603 rect->tr_end.tp_row = vd->vd_height;
604 rect->tr_end.tp_col = vd->vd_width;
607 rect->tr_begin.tp_row =
608 howmany(rect->tr_begin.tp_row, vf->vf_height);
610 rect->tr_end.tp_row /= vf->vf_height;
611 rect->tr_end.tp_col /= vf->vf_width;
616 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size)
619 size->ws_ypixel = vd->vd_height;
620 if (vt_draw_logo_cpus)
621 size->ws_ypixel -= vt_logo_sprite_height;
622 size->ws_row = size->ws_ypixel;
623 size->ws_col = size->ws_xpixel = vd->vd_width;
625 size->ws_row /= vf->vf_height;
626 size->ws_col /= vf->vf_width;
631 vt_compute_drawable_area(struct vt_window *vw)
633 struct vt_device *vd;
639 if (vw->vw_font == NULL) {
640 vw->vw_draw_area.tr_begin.tp_col = 0;
641 vw->vw_draw_area.tr_begin.tp_row = 0;
642 if (vt_draw_logo_cpus)
643 vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height;
644 vw->vw_draw_area.tr_end.tp_col = vd->vd_width;
645 vw->vw_draw_area.tr_end.tp_row = vd->vd_height;
652 * Compute the drawable area, so that the text is centered on
656 height = vd->vd_height;
657 if (vt_draw_logo_cpus)
658 height -= vt_logo_sprite_height;
659 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2;
660 vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2;
661 if (vt_draw_logo_cpus)
662 vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height;
663 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col +
664 rounddown(vd->vd_width, vf->vf_width);
665 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row +
666 rounddown(height, vf->vf_height);
670 vt_scroll(struct vt_window *vw, int offset, int whence)
675 if ((vw->vw_flags & VWF_SCROLL) == 0)
678 vt_termsize(vw->vw_device, vw->vw_font, &size);
680 diff = vthistory_seek(&vw->vw_buf, offset, whence);
682 vw->vw_device->vd_flags |= VDF_INVALID;
683 vt_resume_flush_timer(vw->vw_device, 0);
687 vt_machine_kbdevent(int c)
691 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */
693 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger");
695 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */
697 shutdown_nice(RB_HALT);
699 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */
700 #ifndef SC_NO_CUTPASTE
701 /* Insert text from cut-paste buffer. */
705 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */
707 shutdown_nice(RB_HALT|RB_POWEROFF);
709 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */
711 * Request to immediate panic if sysctl
712 * kern.vt.enable_panic_key allow it.
715 panic("Forced by the panic key");
717 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */
719 shutdown_nice(RB_AUTOBOOT);
721 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */
722 /* Force activatation/deactivation of the screen saver. */
725 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */
726 /* Put machine into Stand-By mode. */
727 power_pm_suspend(POWER_SLEEP_STATE_STANDBY);
729 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */
730 /* Suspend machine. */
731 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND);
739 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console)
741 struct vt_device *vd;
745 /* Only special keys handled in ScrollLock mode */
746 if ((c & SPCLKEY) == 0)
752 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
753 vw = vd->vd_windows[c - F_SCR];
754 vt_proc_window_switch(vw);
762 /* Turn scrolling off. */
763 vt_scroll(vw, 0, VHS_END);
764 VTBUF_SLCK_DISABLE(&vw->vw_buf);
765 vw->vw_flags &= ~VWF_SCROLL;
768 case FKEY | F(49): /* Home key. */
769 vt_scroll(vw, 0, VHS_SET);
771 case FKEY | F(50): /* Arrow up. */
772 vt_scroll(vw, -1, VHS_CUR);
774 case FKEY | F(51): /* Page up. */
775 vt_termsize(vd, vw->vw_font, &size);
776 vt_scroll(vw, -size.tp_row, VHS_CUR);
778 case FKEY | F(57): /* End key. */
779 vt_scroll(vw, 0, VHS_END);
781 case FKEY | F(58): /* Arrow down. */
782 vt_scroll(vw, 1, VHS_CUR);
784 case FKEY | F(59): /* Page down. */
785 vt_termsize(vd, vw->vw_font, &size);
786 vt_scroll(vw, size.tp_row, VHS_CUR);
795 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c)
797 struct vt_window *vw = vd->vd_curwindow;
799 random_harvest_queue(&c, sizeof(c), 1, RANDOM_KEYBOARD);
800 #if VT_ALT_TO_ESC_HACK
802 switch (c & ~RELKEY) {
803 case (SPCLKEY | RALT):
804 if (vt_enable_altgr != 0)
806 case (SPCLKEY | LALT):
807 vd->vd_kbstate &= ~ALKED;
809 /* Other keys ignored for RELKEY event. */
812 switch (c & ~RELKEY) {
813 case (SPCLKEY | RALT):
814 if (vt_enable_altgr != 0)
816 case (SPCLKEY | LALT):
817 vd->vd_kbstate |= ALKED;
822 /* Other keys ignored for RELKEY event. */
826 if (vt_machine_kbdevent(c))
829 if (vw->vw_flags & VWF_SCROLL) {
830 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */);
831 /* Scroll mode keys handled, nothing to do more. */
838 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
839 vw = vd->vd_windows[c - F_SCR];
840 vt_proc_window_switch(vw);
846 /* Switch to next VT. */
847 c = (vw->vw_number + 1) % VT_MAXWINDOWS;
848 vw = vd->vd_windows[c];
849 vt_proc_window_switch(vw);
852 /* Switch to previous VT. */
853 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS;
854 vw = vd->vd_windows[c];
855 vt_proc_window_switch(vw);
858 vt_save_kbd_state(vw, kbd);
860 if (vw->vw_kbdstate & SLKED) {
861 /* Turn scrolling on. */
862 vw->vw_flags |= VWF_SCROLL;
863 VTBUF_SLCK_ENABLE(&vw->vw_buf);
865 /* Turn scrolling off. */
866 vw->vw_flags &= ~VWF_SCROLL;
867 VTBUF_SLCK_DISABLE(&vw->vw_buf);
868 vt_scroll(vw, 0, VHS_END);
873 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3):
874 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6):
875 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9):
876 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12):
877 /* F1 through F12 keys. */
878 terminal_input_special(vw->vw_terminal,
879 TKEY_F1 + c - (FKEY | F(1)));
881 case FKEY | F(49): /* Home key. */
882 terminal_input_special(vw->vw_terminal, TKEY_HOME);
884 case FKEY | F(50): /* Arrow up. */
885 terminal_input_special(vw->vw_terminal, TKEY_UP);
887 case FKEY | F(51): /* Page up. */
888 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP);
890 case FKEY | F(53): /* Arrow left. */
891 terminal_input_special(vw->vw_terminal, TKEY_LEFT);
893 case FKEY | F(55): /* Arrow right. */
894 terminal_input_special(vw->vw_terminal, TKEY_RIGHT);
896 case FKEY | F(57): /* End key. */
897 terminal_input_special(vw->vw_terminal, TKEY_END);
899 case FKEY | F(58): /* Arrow down. */
900 terminal_input_special(vw->vw_terminal, TKEY_DOWN);
902 case FKEY | F(59): /* Page down. */
903 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN);
905 case FKEY | F(60): /* Insert key. */
906 terminal_input_special(vw->vw_terminal, TKEY_INSERT);
908 case FKEY | F(61): /* Delete key. */
909 terminal_input_special(vw->vw_terminal, TKEY_DELETE);
912 } else if (KEYFLAGS(c) == 0) {
913 /* Don't do UTF-8 conversion when doing raw mode. */
914 if (vw->vw_kbdmode == K_XLATE) {
915 #if VT_ALT_TO_ESC_HACK
916 if (vd->vd_kbstate & ALKED) {
918 * Prepend ESC sequence if one of ALT keys down.
920 terminal_input_char(vw->vw_terminal, 0x1b);
924 kdb_alt_break(c, &vd->vd_altbrk);
926 terminal_input_char(vw->vw_terminal, KEYCHAR(c));
928 terminal_input_raw(vw->vw_terminal, c);
934 vt_kbdevent(keyboard_t *kbd, int event, void *arg)
936 struct vt_device *vd = arg;
942 case KBDIO_UNLOADING:
944 vd->vd_keyboard = -1;
945 kbd_release(kbd, (void *)vd);
952 while ((c = kbdd_read_char(kbd, 0)) != NOKEY)
953 vt_processkey(kbd, vd, c);
959 vt_allocate_keyboard(struct vt_device *vd)
965 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd);
967 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0);
968 k0 = kbd_get_keyboard(idx0);
970 for (idx = kbd_find_keyboard2("*", -1, 0);
972 idx = kbd_find_keyboard2("*", -1, idx + 1)) {
973 k = kbd_get_keyboard(idx);
975 if (idx == idx0 || KBD_IS_BUSY(k))
978 bzero(&ki, sizeof(ki));
979 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name));
980 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0';
981 ki.kb_unit = k->kb_unit;
983 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki);
986 DPRINTF(20, "%s: no kbdmux allocated\n", __func__);
987 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd);
989 DPRINTF(10, "%s: No keyboard found.\n", __func__);
993 vd->vd_keyboard = idx0;
994 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard);
1000 vtterm_bell(struct terminal *tm)
1002 struct vt_window *vw = tm->tm_softc;
1003 struct vt_device *vd = vw->vw_device;
1005 if (!vt_enable_bell)
1008 if (vd->vd_flags & VDF_QUIET_BELL)
1011 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION);
1015 vtterm_beep(struct terminal *tm, u_int param)
1019 if (!vt_enable_bell)
1022 if ((param == 0) || ((param & 0xffff) == 0)) {
1027 period = ((param >> 16) & 0xffff) * hz / 1000;
1028 freq = 1193182 / (param & 0xffff);
1030 sysbeep(freq, period);
1034 vtterm_cursor(struct terminal *tm, const term_pos_t *p)
1036 struct vt_window *vw = tm->tm_softc;
1038 vtbuf_cursor_position(&vw->vw_buf, p);
1039 vt_resume_flush_timer(vw->vw_device, 0);
1043 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c)
1045 struct vt_window *vw = tm->tm_softc;
1047 vtbuf_putchar(&vw->vw_buf, p, c);
1048 vt_resume_flush_timer(vw->vw_device, 0);
1052 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c)
1054 struct vt_window *vw = tm->tm_softc;
1056 vtbuf_fill_locked(&vw->vw_buf, r, c);
1057 vt_resume_flush_timer(vw->vw_device, 0);
1061 vtterm_copy(struct terminal *tm, const term_rect_t *r,
1062 const term_pos_t *p)
1064 struct vt_window *vw = tm->tm_softc;
1066 vtbuf_copy(&vw->vw_buf, r, p);
1067 vt_resume_flush_timer(vw->vw_device, 0);
1071 vtterm_param(struct terminal *tm, int cmd, unsigned int arg)
1073 struct vt_window *vw = tm->tm_softc;
1076 case TP_SETLOCALCURSOR:
1078 * 0 means normal (usually block), 1 means hidden, and
1079 * 2 means blinking (always block) for compatibility with
1080 * syscons. We don't support any changes except hiding,
1081 * so must map 2 to 0.
1083 arg = (arg == 1) ? 0 : 1;
1086 vtbuf_cursor_visibility(&vw->vw_buf, arg);
1087 vt_resume_flush_timer(vw->vw_device, 0);
1090 vw->vw_mouse_level = arg;
1096 vt_determine_colors(term_char_t c, int cursor,
1097 term_color_t *fg, term_color_t *bg)
1104 *fg = TCHAR_FGCOLOR(c);
1105 if (TCHAR_FORMAT(c) & TF_BOLD)
1106 *fg = TCOLOR_LIGHT(*fg);
1107 *bg = TCHAR_BGCOLOR(c);
1108 if (TCHAR_FORMAT(c) & TF_BLINK)
1109 *bg = TCOLOR_LIGHT(*bg);
1111 if (TCHAR_FORMAT(c) & TF_REVERSE)
1123 #ifndef SC_NO_CUTPASTE
1125 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area)
1127 unsigned int mx, my;
1130 * We use the cursor position saved during the current refresh,
1131 * in case the cursor moved since.
1133 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col;
1134 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row;
1136 if (mx >= area->tr_end.tp_col ||
1137 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col ||
1138 my >= area->tr_end.tp_row ||
1139 my + vd->vd_mcursor->height <= area->tr_begin.tp_row)
1145 vt_mark_mouse_position_as_dirty(struct vt_device *vd)
1148 struct vt_window *vw;
1152 vw = vd->vd_curwindow;
1155 x = vd->vd_mx_drawn;
1156 y = vd->vd_my_drawn;
1159 area.tr_begin.tp_col = x / vf->vf_width;
1160 area.tr_begin.tp_row = y / vf->vf_height;
1161 area.tr_end.tp_col =
1162 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1;
1163 area.tr_end.tp_row =
1164 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1;
1167 * No font loaded (ie. vt_vga operating in textmode).
1169 * FIXME: This fake area needs to be revisited once the
1170 * mouse cursor is supported in vt_vga's textmode.
1172 area.tr_begin.tp_col = x;
1173 area.tr_begin.tp_row = y;
1174 area.tr_end.tp_col = x + 2;
1175 area.tr_end.tp_row = y + 2;
1178 vtbuf_dirty(&vw->vw_buf, &area);
1183 vt_set_border(struct vt_device *vd, const term_rect_t *area,
1184 const term_color_t c)
1186 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect;
1188 if (drawrect == NULL)
1192 if (area->tr_begin.tp_row > 0)
1193 drawrect(vd, 0, 0, vd->vd_width - 1,
1194 area->tr_begin.tp_row - 1, 1, c);
1197 if (area->tr_begin.tp_col > 0)
1198 drawrect(vd, 0, area->tr_begin.tp_row,
1199 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c);
1202 if (area->tr_end.tp_col < vd->vd_width)
1203 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row,
1204 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c);
1207 if (area->tr_end.tp_row < vd->vd_height)
1208 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1,
1209 vd->vd_height - 1, 1, c);
1213 vt_flush(struct vt_device *vd)
1215 struct vt_window *vw;
1218 #ifndef SC_NO_CUTPASTE
1219 int cursor_was_shown, cursor_moved;
1222 vw = vd->vd_curwindow;
1226 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY)
1230 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL))
1233 #ifndef SC_NO_CUTPASTE
1234 cursor_was_shown = vd->vd_mshown;
1235 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn ||
1236 vd->vd_my != vd->vd_my_drawn);
1238 /* Check if the cursor should be displayed or not. */
1239 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */
1240 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */
1241 !kdb_active && panicstr == NULL) { /* DDB inactive. */
1248 * If the cursor changed display state or moved, we must mark
1249 * the old position as dirty, so that it's erased.
1251 if (cursor_was_shown != vd->vd_mshown ||
1252 (vd->vd_mshown && cursor_moved))
1253 vt_mark_mouse_position_as_dirty(vd);
1256 * Save position of the mouse cursor. It's used by backends to
1257 * know where to draw the cursor and during the next refresh to
1258 * erase the previous position.
1260 vd->vd_mx_drawn = vd->vd_mx;
1261 vd->vd_my_drawn = vd->vd_my;
1264 * If the cursor is displayed and has moved since last refresh,
1265 * mark the new position as dirty.
1267 if (vd->vd_mshown && cursor_moved)
1268 vt_mark_mouse_position_as_dirty(vd);
1271 vtbuf_undirty(&vw->vw_buf, &tarea);
1273 /* Force a full redraw when the screen contents are invalid. */
1274 if (vd->vd_flags & VDF_INVALID) {
1275 vd->vd_flags &= ~VDF_INVALID;
1277 vt_set_border(vd, &vw->vw_draw_area, TC_BLACK);
1278 vt_termrect(vd, vf, &tarea);
1279 if (vt_draw_logo_cpus)
1280 vtterm_draw_cpu_logos(vd);
1283 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) {
1284 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea);
1294 struct vt_device *vd;
1298 /* Update screen if required. */
1299 changed = vt_flush(vd);
1301 /* Schedule for next update. */
1303 vt_schedule_flush(vd, 0);
1305 vd->vd_timer_armed = 0;
1309 vtterm_done(struct terminal *tm)
1311 struct vt_window *vw = tm->tm_softc;
1312 struct vt_device *vd = vw->vw_device;
1314 if (kdb_active || panicstr != NULL) {
1315 /* Switch to the debugger. */
1316 if (vd->vd_curwindow != vw) {
1317 vd->vd_curwindow = vw;
1318 vd->vd_flags |= VDF_INVALID;
1319 if (vd->vd_driver->vd_postswitch)
1320 vd->vd_driver->vd_postswitch(vd);
1322 vd->vd_flags &= ~VDF_SPLASH;
1324 } else if (!(vd->vd_flags & VDF_ASYNC)) {
1331 vtterm_splash(struct vt_device *vd)
1333 vt_axis_t top, left;
1335 /* Display a nice boot splash. */
1336 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) {
1338 top = (vd->vd_height - vt_logo_height) / 2;
1339 left = (vd->vd_width - vt_logo_width) / 2;
1340 switch (vt_logo_depth) {
1342 /* XXX: Unhardcode colors! */
1343 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow,
1344 vt_logo_image, NULL, vt_logo_width, vt_logo_height,
1345 left, top, TC_WHITE, TC_BLACK);
1347 vd->vd_flags |= VDF_SPLASH;
1354 vtterm_cnprobe(struct terminal *tm, struct consdev *cp)
1356 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL;
1357 struct vt_window *vw = tm->tm_softc;
1358 struct vt_device *vd = vw->vw_device;
1363 if (!vty_enabled(VTY_VT))
1366 if (vd->vd_flags & VDF_INITIALIZED)
1367 /* Initialization already done. */
1370 SET_FOREACH(vtdlist, vt_drv_set) {
1372 if (vtd->vd_probe == NULL)
1374 if (vtd->vd_probe(vd) == CN_DEAD)
1376 if ((vtdbest == NULL) ||
1377 (vtd->vd_priority > vtdbest->vd_priority))
1380 if (vtdbest == NULL) {
1381 cp->cn_pri = CN_DEAD;
1382 vd->vd_flags |= VDF_DEAD;
1384 vd->vd_driver = vtdbest;
1385 cp->cn_pri = vd->vd_driver->vd_init(vd);
1388 /* Check if driver's vt_init return CN_DEAD. */
1389 if (cp->cn_pri == CN_DEAD) {
1390 vd->vd_flags |= VDF_DEAD;
1393 /* Initialize any early-boot keyboard drivers */
1394 kbd_configure(KB_CONF_PROBE_ONLY);
1396 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1);
1397 vd->vd_windows[VT_CONSWINDOW] = vw;
1398 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw));
1400 /* Attach default font if not in TEXTMODE. */
1401 if ((vd->vd_flags & VDF_TEXTMODE) == 0) {
1402 vw->vw_font = vtfont_ref(&vt_font_default);
1403 vt_compute_drawable_area(vw);
1407 * The original screen size was faked (_VTDEFW x _VTDEFH). Now
1408 * that we have the real viewable size, fix it in the static
1411 if (vd->vd_width != 0 && vd->vd_height != 0)
1412 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size);
1414 vtbuf_init_early(&vw->vw_buf);
1415 vt_winsize(vd, vw->vw_font, &wsz);
1416 c = (boothowto & RB_MUTE) == 0 ? TERMINAL_KERN_ATTR :
1418 attr.ta_format = TCHAR_FORMAT(c);
1419 attr.ta_fgcolor = TCHAR_FGCOLOR(c);
1420 attr.ta_bgcolor = TCHAR_BGCOLOR(c);
1421 terminal_set_winsize_blank(tm, &wsz, 1, &attr);
1423 if (vtdbest != NULL) {
1428 vd->vd_flags |= VDF_INITIALIZED;
1433 vtterm_cngetc(struct terminal *tm)
1435 struct vt_window *vw = tm->tm_softc;
1436 struct vt_device *vd = vw->vw_device;
1440 if (vw->vw_kbdsq && *vw->vw_kbdsq)
1441 return (*vw->vw_kbdsq++);
1443 /* Make sure the splash screen is not there. */
1444 if (vd->vd_flags & VDF_SPLASH) {
1446 vd->vd_flags &= ~VDF_SPLASH;
1447 /* Mark screen as invalid to force update */
1448 vd->vd_flags |= VDF_INVALID;
1452 /* Stripped down keyboard handler. */
1453 kbd = kbd_get_keyboard(vd->vd_keyboard);
1457 /* Force keyboard input mode to K_XLATE */
1458 vw->vw_kbdmode = K_XLATE;
1459 vt_update_kbd_mode(vw, kbd);
1461 /* Switch the keyboard to polling to make it work here. */
1462 kbdd_poll(kbd, TRUE);
1463 c = kbdd_read_char(kbd, 0);
1464 kbdd_poll(kbd, FALSE);
1468 if (vw->vw_flags & VWF_SCROLL) {
1469 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */);
1474 /* Stripped down handling of vt_kbdevent(), without locking, etc. */
1478 vt_save_kbd_state(vw, kbd);
1479 if (vw->vw_kbdstate & SLKED) {
1480 /* Turn scrolling on. */
1481 vw->vw_flags |= VWF_SCROLL;
1482 VTBUF_SLCK_ENABLE(&vw->vw_buf);
1484 /* Turn scrolling off. */
1485 vt_scroll(vw, 0, VHS_END);
1486 vw->vw_flags &= ~VWF_SCROLL;
1487 VTBUF_SLCK_DISABLE(&vw->vw_buf);
1490 /* XXX: KDB can handle history. */
1491 case SPCLKEY | FKEY | F(50): /* Arrow up. */
1492 vw->vw_kbdsq = "\x1b[A";
1494 case SPCLKEY | FKEY | F(58): /* Arrow down. */
1495 vw->vw_kbdsq = "\x1b[B";
1497 case SPCLKEY | FKEY | F(55): /* Arrow right. */
1498 vw->vw_kbdsq = "\x1b[C";
1500 case SPCLKEY | FKEY | F(53): /* Arrow left. */
1501 vw->vw_kbdsq = "\x1b[D";
1505 /* Force refresh to make scrollback work. */
1507 } else if (KEYFLAGS(c) == 0) {
1508 return (KEYCHAR(c));
1511 if (vw->vw_kbdsq && *vw->vw_kbdsq)
1512 return (*vw->vw_kbdsq++);
1518 vtterm_cngrab(struct terminal *tm)
1520 struct vt_device *vd;
1521 struct vt_window *vw;
1528 vt_window_switch(vw);
1530 kbd = kbd_get_keyboard(vd->vd_keyboard);
1534 if (vw->vw_grabbed++ > 0)
1538 * Make sure the keyboard is accessible even when the kbd device
1539 * driver is disabled.
1543 /* We shall always use the keyboard in the XLATE mode here. */
1544 vw->vw_prev_kbdmode = vw->vw_kbdmode;
1545 vw->vw_kbdmode = K_XLATE;
1546 vt_update_kbd_mode(vw, kbd);
1548 kbdd_poll(kbd, TRUE);
1552 vtterm_cnungrab(struct terminal *tm)
1554 struct vt_device *vd;
1555 struct vt_window *vw;
1561 kbd = kbd_get_keyboard(vd->vd_keyboard);
1565 if (--vw->vw_grabbed > 0)
1568 kbdd_poll(kbd, FALSE);
1570 vw->vw_kbdmode = vw->vw_prev_kbdmode;
1571 vt_update_kbd_mode(vw, kbd);
1576 vtterm_opened(struct terminal *tm, int opened)
1578 struct vt_window *vw = tm->tm_softc;
1579 struct vt_device *vd = vw->vw_device;
1582 vd->vd_flags &= ~VDF_SPLASH;
1584 vw->vw_flags |= VWF_OPENED;
1586 vw->vw_flags &= ~VWF_OPENED;
1587 /* TODO: finish ACQ/REL */
1593 vt_change_font(struct vt_window *vw, struct vt_font *vf)
1595 struct vt_device *vd = vw->vw_device;
1596 struct terminal *tm = vw->vw_terminal;
1603 * Changing fonts is a little tricky. We must prevent
1604 * simultaneous access to the device, so we must stop
1605 * the display timer and the terminal from accessing.
1606 * We need to switch fonts and grow our screen buffer.
1608 * XXX: Right now the code uses terminal_mute() to
1609 * prevent data from reaching the console driver while
1610 * resizing the screen buffer. This isn't elegant...
1614 if (vw->vw_flags & VWF_BUSY) {
1615 /* Another process is changing the font. */
1619 vw->vw_flags |= VWF_BUSY;
1622 vt_termsize(vd, vf, &size);
1623 vt_winsize(vd, vf, &wsz);
1625 /* Grow the screen buffer and terminal. */
1626 terminal_mute(tm, 1);
1627 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size);
1628 terminal_set_winsize_blank(tm, &wsz, 0, NULL);
1629 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor);
1630 terminal_mute(tm, 0);
1632 /* Actually apply the font to the current window. */
1634 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) {
1636 * In case vt_change_font called to update size we don't need
1637 * to update font link.
1639 vtfont_unref(vw->vw_font);
1640 vw->vw_font = vtfont_ref(vf);
1644 * Compute the drawable area and move the mouse cursor inside
1645 * it, in case the new area is smaller than the previous one.
1647 vt_compute_drawable_area(vw);
1648 vd->vd_mx = min(vd->vd_mx,
1649 vw->vw_draw_area.tr_end.tp_col -
1650 vw->vw_draw_area.tr_begin.tp_col - 1);
1651 vd->vd_my = min(vd->vd_my,
1652 vw->vw_draw_area.tr_end.tp_row -
1653 vw->vw_draw_area.tr_begin.tp_row - 1);
1655 /* Force a full redraw the next timer tick. */
1656 if (vd->vd_curwindow == vw) {
1657 vd->vd_flags |= VDF_INVALID;
1658 vt_resume_flush_timer(vw->vw_device, 0);
1660 vw->vw_flags &= ~VWF_BUSY;
1666 vt_proc_alive(struct vt_window *vw)
1670 if (vw->vw_smode.mode != VT_PROCESS)
1674 if ((p = pfind(vw->vw_pid)) != NULL)
1676 if (vw->vw_proc == p)
1679 vw->vw_smode.mode = VT_AUTO;
1680 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid);
1687 signal_vt_rel(struct vt_window *vw)
1690 if (vw->vw_smode.mode != VT_PROCESS)
1692 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1697 vw->vw_flags |= VWF_SWWAIT_REL;
1698 PROC_LOCK(vw->vw_proc);
1699 kern_psignal(vw->vw_proc, vw->vw_smode.relsig);
1700 PROC_UNLOCK(vw->vw_proc);
1701 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid);
1706 signal_vt_acq(struct vt_window *vw)
1709 if (vw->vw_smode.mode != VT_PROCESS)
1711 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
1712 cnavailable(vw->vw_terminal->consdev, FALSE);
1713 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1718 vw->vw_flags |= VWF_SWWAIT_ACQ;
1719 PROC_LOCK(vw->vw_proc);
1720 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig);
1721 PROC_UNLOCK(vw->vw_proc);
1722 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid);
1727 finish_vt_rel(struct vt_window *vw, int release, int *s)
1730 if (vw->vw_flags & VWF_SWWAIT_REL) {
1731 vw->vw_flags &= ~VWF_SWWAIT_REL;
1733 callout_drain(&vw->vw_proc_dead_timer);
1734 vt_late_window_switch(vw->vw_switch_to);
1742 finish_vt_acq(struct vt_window *vw)
1745 if (vw->vw_flags & VWF_SWWAIT_ACQ) {
1746 vw->vw_flags &= ~VWF_SWWAIT_ACQ;
1752 #ifndef SC_NO_CUTPASTE
1754 vt_mouse_terminput_button(struct vt_device *vd, int button)
1756 struct vt_window *vw;
1758 char mouseb[6] = "\x1B[M";
1761 vw = vd->vd_curwindow;
1764 /* Translate to char position. */
1765 x = vd->vd_mx / vf->vf_width;
1766 y = vd->vd_my / vf->vf_height;
1767 /* Avoid overflow. */
1768 x = MIN(x, 255 - '!');
1769 y = MIN(y, 255 - '!');
1771 mouseb[3] = ' ' + button;
1772 mouseb[4] = '!' + x;
1773 mouseb[5] = '!' + y;
1775 for (i = 0; i < sizeof(mouseb); i++)
1776 terminal_input_char(vw->vw_terminal, mouseb[i]);
1780 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event,
1785 case MOUSE_BUTTON_EVENT:
1787 /* Mouse button pressed. */
1788 if (event & MOUSE_BUTTON1DOWN)
1789 vt_mouse_terminput_button(vd, 0);
1790 if (event & MOUSE_BUTTON2DOWN)
1791 vt_mouse_terminput_button(vd, 1);
1792 if (event & MOUSE_BUTTON3DOWN)
1793 vt_mouse_terminput_button(vd, 2);
1795 /* Mouse button released. */
1796 vt_mouse_terminput_button(vd, 3);
1800 case MOUSE_MOTION_EVENT:
1801 if (mouse->u.data.z < 0) {
1803 sc_mouse_input_button(vd, 64);
1804 } else if (mouse->u.data.z > 0) {
1806 sc_mouse_input_button(vd, 65);
1819 len = VD_PASTEBUFLEN(main_vd);
1820 buf = VD_PASTEBUF(main_vd);
1821 len /= sizeof(term_char_t);
1822 for (i = 0; i < len; i++) {
1825 terminal_input_char(main_vd->vd_curwindow->vw_terminal,
1831 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel)
1833 struct vt_device *vd;
1834 struct vt_window *vw;
1840 vw = vd->vd_curwindow;
1844 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS))
1846 * Either the mouse is disabled, or the window is in
1847 * "graphics mode". The graphics mode is usually set by
1848 * an X server, using the KDSETMODE ioctl.
1852 if (vf == NULL) /* Text mode. */
1856 * TODO: add flag about pointer position changed, to not redraw chars
1857 * under mouse pointer when nothing changed.
1860 if (vw->vw_mouse_level > 0)
1861 vt_mouse_terminput(vd, type, x, y, event, cnt);
1865 case MOUSE_MOTION_EVENT:
1870 vt_termsize(vd, vf, &size);
1875 x = MIN(x, (size.tp_col * vf->vf_width) - 1);
1876 y = MIN(y, (size.tp_row * vf->vf_height) - 1);
1880 if (vd->vd_mstate & MOUSE_BUTTON1DOWN)
1881 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE,
1882 vd->vd_mx / vf->vf_width,
1883 vd->vd_my / vf->vf_height);
1885 vt_resume_flush_timer(vw->vw_device, 0);
1887 case MOUSE_BUTTON_EVENT:
1895 case MOUSE_BUTTON1DOWN:
1898 mark = VTB_MARK_END;
1900 case 1: /* single click: start cut operation */
1901 mark = VTB_MARK_START;
1903 case 2: /* double click: cut a word */
1904 mark = VTB_MARK_WORD;
1906 case 3: /* triple click: cut a line */
1907 mark = VTB_MARK_ROW;
1911 case VT_MOUSE_PASTEBUTTON:
1920 case VT_MOUSE_EXTENDBUTTON:
1923 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN))
1924 mark = VTB_MARK_EXTEND;
1929 mark = VTB_MARK_EXTEND;
1937 /* Save buttons state. */
1939 vd->vd_mstate |= event;
1941 vd->vd_mstate &= ~event;
1943 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width,
1944 vd->vd_my / vf->vf_height) == 1) {
1946 * We have something marked to copy, so update pointer to
1947 * window with selection.
1949 vt_resume_flush_timer(vw->vw_device, 0);
1955 case VTB_MARK_EXTEND:
1958 /* Other types of mark do not require to copy data. */
1962 /* Get current selection size in bytes. */
1963 len = vtbuf_get_marked_len(&vw->vw_buf);
1967 /* Reallocate buffer only if old one is too small. */
1968 if (len > VD_PASTEBUFSZ(vd)) {
1969 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT,
1971 /* Update buffer size. */
1972 VD_PASTEBUFSZ(vd) = len;
1974 /* Request copy/paste buffer data, no more than `len' */
1975 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd),
1978 VD_PASTEBUFLEN(vd) = len;
1980 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */
1985 vt_mouse_state(int show)
1987 struct vt_device *vd;
1988 struct vt_window *vw;
1991 vw = vd->vd_curwindow;
1995 vw->vw_flags |= VWF_MOUSE_HIDE;
1998 vw->vw_flags &= ~VWF_MOUSE_HIDE;
2002 /* Mark mouse position as dirty. */
2003 vt_mark_mouse_position_as_dirty(vd);
2004 vt_resume_flush_timer(vw->vw_device, 0);
2009 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr,
2010 int nprot, vm_memattr_t *memattr)
2012 struct vt_window *vw = tm->tm_softc;
2013 struct vt_device *vd = vw->vw_device;
2015 if (vd->vd_driver->vd_fb_mmap)
2016 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot,
2023 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data,
2026 struct vt_window *vw = tm->tm_softc;
2027 struct vt_device *vd = vw->vw_device;
2030 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
2031 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
2042 cmd = VT_WAITACTIVE;
2068 ival = IOCPARM_IVAL(data);
2069 data = (caddr_t)&ival;
2074 case KDSETRAD: /* set keyboard repeat & delay rates (old) */
2075 if (*(int *)data & ~0x7f)
2080 case GIO_DEADKEYMAP:
2081 case PIO_DEADKEYMAP:
2086 case KDGETREPEAT: /* get keyboard repeat & delay rates */
2087 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
2088 case KBADDKBD: /* add/remove keyboard to/from mux */
2093 kbd = kbd_get_keyboard(vd->vd_keyboard);
2095 error = kbdd_ioctl(kbd, cmd, data);
2097 if (error == ENOIOCTL) {
2098 if (cmd == KDGKBTYPE) {
2099 /* always return something? XXX */
2107 case KDGKBSTATE: { /* get keyboard state (locks) */
2110 if (vw == vd->vd_curwindow) {
2112 kbd = kbd_get_keyboard(vd->vd_keyboard);
2114 error = vt_save_kbd_state(vw, kbd);
2121 *(int *)data = vw->vw_kbdstate & LOCK_MASK;
2125 case KDSKBSTATE: { /* set keyboard state (locks) */
2128 state = *(int *)data;
2129 if (state & ~LOCK_MASK)
2132 vw->vw_kbdstate &= ~LOCK_MASK;
2133 vw->vw_kbdstate |= state;
2136 if (vw == vd->vd_curwindow) {
2138 kbd = kbd_get_keyboard(vd->vd_keyboard);
2140 error = vt_update_kbd_state(vw, kbd);
2146 case KDGETLED: { /* get keyboard LED status */
2149 if (vw == vd->vd_curwindow) {
2151 kbd = kbd_get_keyboard(vd->vd_keyboard);
2153 error = vt_save_kbd_leds(vw, kbd);
2160 *(int *)data = vw->vw_kbdstate & LED_MASK;
2164 case KDSETLED: { /* set keyboard LED status */
2167 leds = *(int *)data;
2168 if (leds & ~LED_MASK)
2171 vw->vw_kbdstate &= ~LED_MASK;
2172 vw->vw_kbdstate |= leds;
2175 if (vw == vd->vd_curwindow) {
2177 kbd = kbd_get_keyboard(vd->vd_keyboard);
2179 error = vt_update_kbd_leds(vw, kbd);
2186 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ?
2187 KD_GRAPHICS : KD_TEXT;
2192 if (vw == vd->vd_curwindow) {
2194 kbd = kbd_get_keyboard(vd->vd_keyboard);
2196 error = vt_save_kbd_mode(vw, kbd);
2203 *(int *)data = vw->vw_kbdmode;
2210 mode = *(int *)data;
2215 vw->vw_kbdmode = mode;
2218 if (vw == vd->vd_curwindow) {
2220 kbd = kbd_get_keyboard(vd->vd_keyboard);
2222 error = vt_update_kbd_mode(vw, kbd);
2232 case FBIO_GETWINORG: /* get frame buffer window origin */
2233 case FBIO_GETDISPSTART: /* get display start address */
2234 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
2235 case FBIO_BLANK: /* blank display */
2236 if (vd->vd_driver->vd_fb_ioctl)
2237 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td));
2239 case CONS_BLANKTIME:
2243 if (*(int *)data < 0)
2245 if (*(int *)data != vd->vd_curwindow->vw_buf.vb_history_size)
2246 vtbuf_sethistory_size(&vd->vd_curwindow->vw_buf,
2251 *(int *)data = M_CG640x480;
2253 case CONS_BELLTYPE: /* set bell type sound */
2254 if ((*(int *)data) & CONS_QUIET_BELL)
2255 vd->vd_flags |= VDF_QUIET_BELL;
2257 vd->vd_flags &= ~VDF_QUIET_BELL;
2259 case CONS_GETINFO: {
2260 vid_info_t *vi = (vid_info_t *)data;
2261 if (vi->size != sizeof(struct vid_info))
2264 if (vw == vd->vd_curwindow) {
2266 kbd = kbd_get_keyboard(vd->vd_keyboard);
2268 vt_save_kbd_state(vw, kbd);
2272 vi->m_num = vd->vd_curwindow->vw_number + 1;
2273 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK;
2274 /* XXX: other fields! */
2278 *(int *)data = 0x200;
2283 case CONS_MOUSECTL: {
2284 mouse_info_t *mouse = (mouse_info_t*)data;
2287 * All the commands except MOUSE_SHOW nd MOUSE_HIDE
2288 * should not be applied to individual TTYs, but only to
2291 switch (mouse->operation) {
2293 if (vd->vd_flags & VDF_MOUSECURSOR) {
2294 vd->vd_flags &= ~VDF_MOUSECURSOR;
2295 #ifndef SC_NO_CUTPASTE
2296 vt_mouse_state(VT_MOUSE_HIDE);
2301 if (!(vd->vd_flags & VDF_MOUSECURSOR)) {
2302 vd->vd_flags |= VDF_MOUSECURSOR;
2303 vd->vd_mx = vd->vd_width / 2;
2304 vd->vd_my = vd->vd_height / 2;
2305 #ifndef SC_NO_CUTPASTE
2306 vt_mouse_state(VT_MOUSE_SHOW);
2317 if (vd->vd_flags & VDF_TEXTMODE)
2320 error = vtfont_load((void *)data, &vf);
2324 error = vt_change_font(vw, vf);
2328 case PIO_VFONT_DEFAULT: {
2329 /* Reset to default font. */
2330 error = vt_change_font(vw, &vt_font_default);
2334 scrmap_t *sm = (scrmap_t *)data;
2336 /* We don't have screen maps, so return a handcrafted one. */
2337 for (i = 0; i < 256; i++)
2343 * FIXME: This implementation is incomplete compared to
2346 switch (*(int *)data) {
2350 vw->vw_flags &= ~VWF_GRAPHICS;
2353 vw->vw_flags |= VWF_GRAPHICS;
2357 case KDENABIO: /* allow io operations */
2358 error = priv_check(td, PRIV_IO);
2361 error = securelevel_gt(td->td_ucred, 0);
2364 #if defined(__i386__)
2365 td->td_frame->tf_eflags |= PSL_IOPL;
2366 #elif defined(__amd64__)
2367 td->td_frame->tf_rflags |= PSL_IOPL;
2370 case KDDISABIO: /* disallow io operations (default) */
2371 #if defined(__i386__)
2372 td->td_frame->tf_eflags &= ~PSL_IOPL;
2373 #elif defined(__amd64__)
2374 td->td_frame->tf_rflags &= ~PSL_IOPL;
2377 case KDMKTONE: /* sound the bell */
2378 vtterm_beep(tm, *(u_int *)data);
2380 case KIOCSOUND: /* make tone (*data) hz */
2383 case CONS_SETKBD: /* set the new keyboard */
2386 if (vd->vd_keyboard != *(int *)data) {
2387 kbd = kbd_get_keyboard(*(int *)data);
2392 i = kbd_allocate(kbd->kb_name, kbd->kb_unit,
2393 (void *)vd, vt_kbdevent, vd);
2395 if (vd->vd_keyboard != -1) {
2396 kbd = kbd_get_keyboard(vd->vd_keyboard);
2397 vt_save_kbd_state(vd->vd_curwindow, kbd);
2398 kbd_release(kbd, (void *)vd);
2400 kbd = kbd_get_keyboard(i);
2401 vd->vd_keyboard = i;
2403 vt_update_kbd_mode(vd->vd_curwindow, kbd);
2404 vt_update_kbd_state(vd->vd_curwindow, kbd);
2406 error = EPERM; /* XXX */
2411 case CONS_RELKBD: /* release the current keyboard */
2414 if (vd->vd_keyboard != -1) {
2415 kbd = kbd_get_keyboard(vd->vd_keyboard);
2420 vt_save_kbd_state(vd->vd_curwindow, kbd);
2421 error = kbd_release(kbd, (void *)vd);
2423 vd->vd_keyboard = -1;
2430 win = *(int *)data - 1;
2431 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME,
2433 if ((win >= VT_MAXWINDOWS) || (win < 0))
2435 return (vt_proc_window_switch(vd->vd_windows[win]));
2438 *(int *)data = vd->vd_curwindow->vw_number + 1;
2441 *(int *)data = vw->vw_number + 1;
2444 /* TODO: Check current state, switching can be in progress. */
2445 if ((*(int *)data) == 0x01)
2446 vw->vw_flags |= VWF_VTYLOCK;
2447 else if ((*(int *)data) == 0x02)
2448 vw->vw_flags &= ~VWF_VTYLOCK;
2454 for (i = 0; i < VT_MAXWINDOWS; i++) {
2455 vw = vd->vd_windows[i];
2458 if (!(vw->vw_flags & VWF_OPENED)) {
2459 *(int *)data = vw->vw_number + 1;
2466 case VT_WAITACTIVE: {
2471 idx = *(unsigned int *)data;
2472 if (idx > VT_MAXWINDOWS)
2475 vw = vd->vd_windows[idx - 1];
2478 while (vd->vd_curwindow != vw && error == 0)
2479 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
2483 case VT_SETMODE: { /* set screen switcher mode */
2484 struct vt_mode *mode;
2487 mode = (struct vt_mode *)data;
2488 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw));
2489 if (vw->vw_smode.mode == VT_PROCESS) {
2490 p1 = pfind(vw->vw_pid);
2491 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) {
2494 DPRINTF(5, "error EPERM\n");
2500 if (mode->mode == VT_AUTO) {
2501 vw->vw_smode.mode = VT_AUTO;
2504 DPRINTF(5, "VT_AUTO, ");
2505 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
2506 cnavailable(vw->vw_terminal->consdev, TRUE);
2507 /* were we in the middle of the vty switching process? */
2508 if (finish_vt_rel(vw, TRUE, &s) == 0)
2509 DPRINTF(5, "reset WAIT_REL, ");
2510 if (finish_vt_acq(vw) == 0)
2511 DPRINTF(5, "reset WAIT_ACQ, ");
2513 } else if (mode->mode == VT_PROCESS) {
2514 if (!ISSIGVALID(mode->relsig) ||
2515 !ISSIGVALID(mode->acqsig) ||
2516 !ISSIGVALID(mode->frsig)) {
2517 DPRINTF(5, "error EINVAL\n");
2520 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid);
2521 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode));
2522 vw->vw_proc = td->td_proc;
2523 vw->vw_pid = vw->vw_proc->p_pid;
2524 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
2525 cnavailable(vw->vw_terminal->consdev, FALSE);
2527 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n",
2534 case VT_GETMODE: /* get screen switcher mode */
2535 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode));
2538 case VT_RELDISP: /* screen switcher ioctl */
2540 * This must be the current vty which is in the VT_PROCESS
2543 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode !=
2547 /* ...and this process is controlling it. */
2548 if (vw->vw_proc != td->td_proc) {
2552 switch(*(int *)data) {
2553 case VT_FALSE: /* user refuses to release screen, abort */
2554 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0)
2555 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n",
2556 SC_DRIVER_NAME, VT_UNIT(vw));
2558 case VT_TRUE: /* user has released screen, go on */
2559 /* finish_vt_rel(..., TRUE, ...) should not be locked */
2560 if (vw->vw_flags & VWF_SWWAIT_REL) {
2561 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0)
2562 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n",
2563 SC_DRIVER_NAME, VT_UNIT(vw));
2568 case VT_ACKACQ: /* acquire acknowledged, switch completed */
2569 if ((error = finish_vt_acq(vw)) == 0)
2570 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n",
2571 SC_DRIVER_NAME, VT_UNIT(vw));
2582 static struct vt_window *
2583 vt_allocate_window(struct vt_device *vd, unsigned int window)
2585 struct vt_window *vw;
2586 struct terminal *tm;
2590 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO);
2592 vw->vw_number = window;
2593 vw->vw_kbdmode = K_XLATE;
2595 if ((vd->vd_flags & VDF_TEXTMODE) == 0) {
2596 vw->vw_font = vtfont_ref(&vt_font_default);
2597 vt_compute_drawable_area(vw);
2600 vt_termsize(vd, vw->vw_font, &size);
2601 vt_winsize(vd, vw->vw_font, &wsz);
2602 vtbuf_init(&vw->vw_buf, &size);
2604 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw);
2605 terminal_set_winsize(tm, &wsz);
2606 vd->vd_windows[window] = vw;
2607 callout_init(&vw->vw_proc_dead_timer, 0);
2613 vt_upgrade(struct vt_device *vd)
2615 struct vt_window *vw;
2617 int register_handlers;
2619 if (!vty_enabled(VTY_VT))
2621 if (main_vd->vd_driver == NULL)
2624 for (i = 0; i < VT_MAXWINDOWS; i++) {
2625 vw = vd->vd_windows[i];
2628 vw = vt_allocate_window(vd, i);
2630 if (!(vw->vw_flags & VWF_READY)) {
2631 callout_init(&vw->vw_proc_dead_timer, 0);
2632 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw));
2633 vw->vw_flags |= VWF_READY;
2634 if (vw->vw_flags & VWF_CONSOLE) {
2635 /* For existing console window. */
2636 EVENTHANDLER_REGISTER(shutdown_pre_sync,
2637 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT);
2643 if (vd->vd_curwindow == NULL)
2644 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW];
2646 register_handlers = 0;
2647 if (!(vd->vd_flags & VDF_ASYNC)) {
2648 /* Attach keyboard. */
2649 vt_allocate_keyboard(vd);
2651 /* Init 25 Hz timer. */
2652 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0);
2655 * Start timer when everything ready.
2656 * Note that the operations here are purposefully ordered.
2657 * We need to ensure vd_timer_armed is non-zero before we set
2658 * the VDF_ASYNC flag. That prevents this function from
2659 * racing with vt_resume_flush_timer() to update the
2660 * callout structure.
2662 atomic_add_acq_int(&vd->vd_timer_armed, 1);
2663 vd->vd_flags |= VDF_ASYNC;
2664 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd);
2665 register_handlers = 1;
2670 /* Refill settings with new sizes. */
2673 if (register_handlers) {
2674 /* Register suspend/resume handlers. */
2675 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler,
2676 vd, EVENTHANDLER_PRI_ANY);
2677 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd,
2678 EVENTHANDLER_PRI_ANY);
2683 vt_resize(struct vt_device *vd)
2685 struct vt_window *vw;
2688 for (i = 0; i < VT_MAXWINDOWS; i++) {
2689 vw = vd->vd_windows[i];
2691 /* Assign default font to window, if not textmode. */
2692 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL)
2693 vw->vw_font = vtfont_ref(&vt_font_default);
2696 /* Resize terminal windows */
2697 while (vt_change_font(vw, vw->vw_font) == EBUSY) {
2698 DPRINTF(100, "%s: vt_change_font() is busy, "
2699 "window %d\n", __func__, i);
2705 vt_replace_backend(const struct vt_driver *drv, void *softc)
2707 struct vt_device *vd;
2711 if (vd->vd_flags & VDF_ASYNC) {
2712 /* Stop vt_flush periodic task. */
2714 vt_suspend_flush_timer(vd);
2717 * Mute current terminal until we done. vt_change_font (called
2718 * from vt_resize) will unmute it.
2720 terminal_mute(vd->vd_curwindow->vw_terminal, 1);
2724 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will
2728 vd->vd_flags &= ~VDF_TEXTMODE;
2732 * We want to upgrade from the current driver to the
2736 vd->vd_prev_driver = vd->vd_driver;
2737 vd->vd_prev_softc = vd->vd_softc;
2738 vd->vd_driver = drv;
2739 vd->vd_softc = softc;
2741 vd->vd_driver->vd_init(vd);
2742 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) {
2744 * No driver given: we want to downgrade to the previous
2747 const struct vt_driver *old_drv;
2750 old_drv = vd->vd_driver;
2751 old_softc = vd->vd_softc;
2753 vd->vd_driver = vd->vd_prev_driver;
2754 vd->vd_softc = vd->vd_prev_softc;
2755 vd->vd_prev_driver = NULL;
2756 vd->vd_prev_softc = NULL;
2758 vd->vd_flags |= VDF_DOWNGRADE;
2760 vd->vd_driver->vd_init(vd);
2762 if (old_drv->vd_fini)
2763 old_drv->vd_fini(vd, old_softc);
2765 vd->vd_flags &= ~VDF_DOWNGRADE;
2770 /* Update windows sizes and initialize last items. */
2774 if (vd->vd_flags & VDF_SPLASH)
2778 if (vd->vd_flags & VDF_ASYNC) {
2779 /* Allow to put chars now. */
2780 terminal_mute(vd->vd_curwindow->vw_terminal, 0);
2781 /* Rerun timer for screen updates. */
2782 vt_resume_flush_timer(vd, 0);
2786 * Register as console. If it already registered, cnadd() will ignore
2789 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal);
2793 vt_suspend_handler(void *priv)
2795 struct vt_device *vd;
2798 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL)
2799 vd->vd_driver->vd_suspend(vd);
2803 vt_resume_handler(void *priv)
2805 struct vt_device *vd;
2808 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL)
2809 vd->vd_driver->vd_resume(vd);
2813 vt_allocate(const struct vt_driver *drv, void *softc)
2816 if (!vty_enabled(VTY_VT))
2819 if (main_vd->vd_driver == NULL) {
2820 main_vd->vd_driver = drv;
2821 printf("VT: initialize with new VT driver \"%s\".\n",
2825 * Check if have rights to replace current driver. For example:
2826 * it is bad idea to replace KMS driver with generic VGA one.
2828 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) {
2829 printf("VT: Driver priority %d too low. Current %d\n ",
2830 drv->vd_priority, main_vd->vd_driver->vd_priority);
2833 printf("VT: Replacing driver \"%s\" with new \"%s\".\n",
2834 main_vd->vd_driver->vd_name, drv->vd_name);
2837 vt_replace_backend(drv, softc);
2841 vt_deallocate(const struct vt_driver *drv, void *softc)
2844 if (!vty_enabled(VTY_VT))
2847 if (main_vd->vd_prev_driver == NULL ||
2848 main_vd->vd_driver != drv ||
2849 main_vd->vd_softc != softc)
2852 printf("VT: Switching back from \"%s\" to \"%s\".\n",
2853 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name);
2855 vt_replace_backend(NULL, NULL);
2859 vt_suspend(struct vt_device *vd)
2863 if (vt_suspendswitch == 0)
2865 /* Save current window. */
2866 vd->vd_savedwindow = vd->vd_curwindow;
2867 /* Ask holding process to free window and switch to console window */
2868 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]);
2870 /* Wait for the window switch to complete. */
2873 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0)
2874 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
2879 vt_resume(struct vt_device *vd)
2882 if (vt_suspendswitch == 0)
2884 /* Switch back to saved window, if any */
2885 vt_proc_window_switch(vd->vd_savedwindow);
2886 vd->vd_savedwindow = NULL;