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_pre_input_t vtterm_pre_input;
70 static tc_post_input_t vtterm_post_input;
71 static tc_param_t vtterm_param;
72 static tc_done_t vtterm_done;
74 static tc_cnprobe_t vtterm_cnprobe;
75 static tc_cngetc_t vtterm_cngetc;
77 static tc_cngrab_t vtterm_cngrab;
78 static tc_cnungrab_t vtterm_cnungrab;
80 static tc_opened_t vtterm_opened;
81 static tc_ioctl_t vtterm_ioctl;
82 static tc_mmap_t vtterm_mmap;
84 const struct terminal_class vt_termclass = {
85 .tc_bell = vtterm_bell,
86 .tc_cursor = vtterm_cursor,
87 .tc_putchar = vtterm_putchar,
88 .tc_fill = vtterm_fill,
89 .tc_copy = vtterm_copy,
90 .tc_pre_input = vtterm_pre_input,
91 .tc_post_input = vtterm_post_input,
92 .tc_param = vtterm_param,
93 .tc_done = vtterm_done,
95 .tc_cnprobe = vtterm_cnprobe,
96 .tc_cngetc = vtterm_cngetc,
98 .tc_cngrab = vtterm_cngrab,
99 .tc_cnungrab = vtterm_cnungrab,
101 .tc_opened = vtterm_opened,
102 .tc_ioctl = vtterm_ioctl,
103 .tc_mmap = vtterm_mmap,
107 * Use a constant timer of 25 Hz to redraw the screen.
109 * XXX: In theory we should only fire up the timer when there is really
110 * activity. Unfortunately we cannot always start timers. We really
111 * don't want to process kernel messages synchronously, because it
112 * really slows down the system.
114 #define VT_TIMERFREQ 25
116 /* Bell pitch/duration. */
117 #define VT_BELLDURATION ((5 * hz + 99) / 100)
118 #define VT_BELLPITCH 800
120 #define VT_UNIT(vw) ((vw)->vw_device->vd_unit * VT_MAXWINDOWS + \
123 static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD, 0, "vt(9) parameters");
124 static VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)");
125 static VT_SYSCTL_INT(enable_bell, 1, "Enable bell");
126 static VT_SYSCTL_INT(debug, 0, "vt(9) debug level");
127 static VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode");
128 static VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend");
130 /* Allow to disable some keyboard combinations. */
131 static VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. "
132 "See kbdmap(5) to configure.");
133 static VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. "
134 "See kbdmap(5) to configure.");
135 static VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. "
136 "See kbdmap(5) to configure (typically Ctrl-Alt-Delete).");
137 static VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. "
138 "See kbdmap(5) to configure (typically Ctrl-Alt-Esc).");
139 static VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. "
140 "See kbdmap(5) to configure.");
142 /* Used internally, not a tunable. */
143 int vt_draw_logo_cpus;
144 VT_SYSCTL_INT(splash_cpu, 0, "Show logo CPUs during boot");
145 VT_SYSCTL_INT(splash_ncpu, 0, "Override number of logos displayed "
146 "(0 = do not override)");
147 VT_SYSCTL_INT(splash_cpu_style, 2, "Draw logo style "
148 "(0 = Alternate beastie, 1 = Beastie, 2 = Orb)");
149 VT_SYSCTL_INT(splash_cpu_duration, 10, "Hide logos after (seconds)");
151 static unsigned int vt_unit = 0;
152 static MALLOC_DEFINE(M_VT, "vt", "vt device");
153 struct vt_device *main_vd = &vt_consdev;
156 extern unsigned int vt_logo_width;
157 extern unsigned int vt_logo_height;
158 extern unsigned int vt_logo_depth;
159 extern unsigned char vt_logo_image[];
161 #define vtterm_draw_cpu_logos(...) do {} while (0)
162 const unsigned int vt_logo_sprite_height;
166 extern struct vt_font vt_font_default;
167 #ifndef SC_NO_CUTPASTE
168 extern struct vt_mouse_cursor vt_default_mouse_pointer;
171 static int signal_vt_rel(struct vt_window *);
172 static int signal_vt_acq(struct vt_window *);
173 static int finish_vt_rel(struct vt_window *, int, int *);
174 static int finish_vt_acq(struct vt_window *);
175 static int vt_window_switch(struct vt_window *);
176 static int vt_late_window_switch(struct vt_window *);
177 static int vt_proc_alive(struct vt_window *);
178 static void vt_resize(struct vt_device *);
179 static void vt_update_static(void *);
180 #ifndef SC_NO_CUTPASTE
181 static void vt_mouse_paste(void);
183 static void vt_suspend_handler(void *priv);
184 static void vt_resume_handler(void *priv);
186 SET_DECLARE(vt_drv_set, struct vt_driver);
188 #define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_MAX_HEIGHT))
189 #define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_MAX_WIDTH))
191 struct terminal vt_consterm;
192 static struct vt_window vt_conswindow;
193 #ifndef SC_NO_CONSDRAWN
194 static term_char_t vt_consdrawn[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)];
195 static term_color_t vt_consdrawnfg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)];
196 static term_color_t vt_consdrawnbg[PIXEL_HEIGHT(VT_FB_MAX_HEIGHT) * PIXEL_WIDTH(VT_FB_MAX_WIDTH)];
198 struct vt_device vt_consdev = {
201 .vd_prev_driver = NULL,
202 .vd_prev_softc = NULL,
203 .vd_flags = VDF_INVALID,
204 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, },
205 .vd_curwindow = &vt_conswindow,
208 #ifndef SC_NO_CUTPASTE
214 .vd_mcursor = &vt_default_mouse_pointer,
215 .vd_mcursor_fg = TC_WHITE,
216 .vd_mcursor_bg = TC_BLACK,
219 #ifndef SC_NO_CONSDRAWN
220 .vd_drawn = vt_consdrawn,
221 .vd_drawnfg = vt_consdrawnfg,
222 .vd_drawnbg = vt_consdrawnbg,
225 static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)];
226 static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE];
227 static struct vt_window vt_conswindow = {
228 .vw_number = VT_CONSWINDOW,
229 .vw_flags = VWF_CONSOLE,
231 .vb_buffer = &vt_constextbuf[0],
232 .vb_rows = &vt_constextbufrows[0],
233 .vb_history_size = VBF_DEFAULT_HISTORY_SIZE,
236 .vb_flags = VBF_STATIC,
237 .vb_mark_start = {.tp_row = 0, .tp_col = 0,},
238 .vb_mark_end = {.tp_row = 0, .tp_col = 0,},
244 .vw_device = &vt_consdev,
245 .vw_terminal = &vt_consterm,
246 .vw_kbdmode = K_XLATE,
249 struct terminal vt_consterm = {
250 .tm_class = &vt_termclass,
251 .tm_softc = &vt_conswindow,
254 static struct consdev vt_consterm_consdev = {
255 .cn_ops = &termcn_cnops,
256 .cn_arg = &vt_consterm,
260 /* Add to set of consoles. */
261 DATA_SET(cons_set, vt_consterm_consdev);
264 * Right after kmem is done to allow early drivers to use locking and allocate
267 SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static,
269 /* Delay until all devices attached, to not waste time. */
270 SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade,
273 /* Initialize locks/mem depended members. */
275 vt_update_static(void *dummy)
278 if (!vty_enabled(VTY_VT))
280 if (main_vd->vd_driver != NULL)
281 printf("VT(%s): %s %ux%u\n", main_vd->vd_driver->vd_name,
282 (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution",
283 main_vd->vd_width, main_vd->vd_height);
285 printf("VT: init without driver.\n");
287 mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF);
288 cv_init(&main_vd->vd_winswitch, "vtwswt");
292 vt_schedule_flush(struct vt_device *vd, int ms)
296 /* Default to initial value. */
297 ms = 1000 / VT_TIMERFREQ;
299 callout_schedule(&vd->vd_timer, hz / (1000 / ms));
303 vt_resume_flush_timer(struct vt_window *vw, int ms)
305 struct vt_device *vd = vw->vw_device;
307 if (vd->vd_curwindow != vw)
310 if (!(vd->vd_flags & VDF_ASYNC) ||
311 !atomic_cmpset_int(&vd->vd_timer_armed, 0, 1))
314 vt_schedule_flush(vd, ms);
318 vt_suspend_flush_timer(struct vt_device *vd)
321 * As long as this function is called locked, callout_stop()
322 * has the same effect like callout_drain() with regard to
323 * preventing the callback function from executing.
325 VT_LOCK_ASSERT(vd, MA_OWNED);
327 if (!(vd->vd_flags & VDF_ASYNC) ||
328 !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0))
331 callout_stop(&vd->vd_timer);
335 vt_switch_timer(void *arg)
338 (void)vt_late_window_switch((struct vt_window *)arg);
342 vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd)
347 ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode);
353 vw->vw_kbdmode = mode;
359 vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd)
363 ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode);
371 vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd)
376 ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state);
382 vw->vw_kbdstate &= ~LOCK_MASK;
383 vw->vw_kbdstate |= state & LOCK_MASK;
389 vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd)
393 state = vw->vw_kbdstate & LOCK_MASK;
394 ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state);
402 vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd)
407 ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds);
413 vw->vw_kbdstate &= ~LED_MASK;
414 vw->vw_kbdstate |= leds & LED_MASK;
420 vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd)
424 leds = vw->vw_kbdstate & LED_MASK;
425 ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds);
433 vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw)
436 DPRINTF(40, "%s\n", __func__);
437 curvw->vw_switch_to = vw;
438 /* Set timer to allow switch in case when process hang. */
439 callout_reset(&vw->vw_proc_dead_timer, hz * vt_deadtimer,
440 vt_switch_timer, (void *)vw);
441 /* Notify process about vt switch attempt. */
442 DPRINTF(30, "%s: Notify process.\n", __func__);
443 signal_vt_rel(curvw);
449 vt_window_postswitch(struct vt_window *vw)
456 /* vt_late_window_switch will done VT switching for regular case. */
458 vt_late_window_switch(struct vt_window *vw)
460 struct vt_window *curvw;
463 callout_stop(&vw->vw_proc_dead_timer);
465 ret = vt_window_switch(vw);
468 * If the switch hasn't happened, then return the VT
469 * to the current owner, if any.
471 curvw = vw->vw_device->vd_curwindow;
472 if (curvw->vw_smode.mode == VT_PROCESS)
473 (void)vt_window_postswitch(curvw);
477 /* Notify owner process about terminal availability. */
478 if (vw->vw_smode.mode == VT_PROCESS) {
479 ret = vt_window_postswitch(vw);
486 vt_proc_window_switch(struct vt_window *vw)
488 struct vt_window *curvw;
489 struct vt_device *vd;
492 /* Prevent switching to NULL */
494 DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__);
498 curvw = vd->vd_curwindow;
500 /* Check if virtual terminal is locked */
501 if (curvw->vw_flags & VWF_VTYLOCK)
504 /* Check if switch already in progress */
505 if (curvw->vw_flags & VWF_SWWAIT_REL) {
506 /* Check if switching to same window */
507 if (curvw->vw_switch_to == vw) {
508 DPRINTF(30, "%s: Switch in progress to same vw.", __func__);
509 return (0); /* success */
511 DPRINTF(30, "%s: Switch in progress to different vw.", __func__);
515 /* Avoid switching to already selected window */
517 DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__);
518 return (0); /* success */
522 * Early check for an attempt to switch to a non-functional VT.
523 * The same check is done in vt_window_switch(), but it's better
524 * to fail as early as possible to avoid needless pre-switch
528 if ((vw->vw_flags & (VWF_OPENED|VWF_CONSOLE)) == 0) {
534 /* Ask current process permission to switch away. */
535 if (curvw->vw_smode.mode == VT_PROCESS) {
536 DPRINTF(30, "%s: VT_PROCESS ", __func__);
537 if (vt_proc_alive(curvw) == FALSE) {
538 DPRINTF(30, "Dead. Cleaning.");
541 DPRINTF(30, "%s: Signaling process.\n", __func__);
542 /* Alive, try to ask him. */
543 ret = vt_window_preswitch(vw, curvw);
544 /* Wait for process answer or timeout. */
550 ret = vt_late_window_switch(vw);
554 /* Switch window ignoring process locking. */
556 vt_window_switch(struct vt_window *vw)
558 struct vt_device *vd = vw->vw_device;
559 struct vt_window *curvw = vd->vd_curwindow;
564 * When grabbing the console for the debugger, avoid
565 * locks as that can result in deadlock. While this
566 * could use try locks, that wouldn't really make a
567 * difference as there are sufficient barriers in
568 * debugger entry/exit to be equivalent to
569 * successfully try-locking here.
573 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE)))
576 vd->vd_curwindow = vw;
577 vd->vd_flags |= VDF_INVALID;
578 if (vd->vd_driver->vd_postswitch)
579 vd->vd_driver->vd_postswitch(vd);
589 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) {
594 vt_suspend_flush_timer(vd);
596 vd->vd_curwindow = vw;
597 vd->vd_flags |= VDF_INVALID;
598 cv_broadcast(&vd->vd_winswitch);
601 if (vd->vd_driver->vd_postswitch)
602 vd->vd_driver->vd_postswitch(vd);
604 vt_resume_flush_timer(vw, 0);
606 /* Restore per-window keyboard mode. */
608 if ((kbd = vd->vd_keyboard) != NULL) {
609 if (curvw->vw_kbdmode == K_XLATE)
610 vt_save_kbd_state(curvw, kbd);
612 vt_update_kbd_mode(vw, kbd);
613 vt_update_kbd_state(vw, kbd);
616 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number);
622 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size)
625 size->tp_row = vd->vd_height;
626 if (vt_draw_logo_cpus)
627 size->tp_row -= vt_logo_sprite_height;
628 size->tp_col = vd->vd_width;
630 size->tp_row /= vf->vf_height;
631 size->tp_col /= vf->vf_width;
636 vt_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect)
639 rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0;
640 if (vt_draw_logo_cpus)
641 rect->tr_begin.tp_row = vt_logo_sprite_height;
643 rect->tr_end.tp_row = vd->vd_height;
644 rect->tr_end.tp_col = vd->vd_width;
647 rect->tr_begin.tp_row =
648 howmany(rect->tr_begin.tp_row, vf->vf_height);
650 rect->tr_end.tp_row /= vf->vf_height;
651 rect->tr_end.tp_col /= vf->vf_width;
656 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size)
659 size->ws_ypixel = vd->vd_height;
660 if (vt_draw_logo_cpus)
661 size->ws_ypixel -= vt_logo_sprite_height;
662 size->ws_row = size->ws_ypixel;
663 size->ws_col = size->ws_xpixel = vd->vd_width;
665 size->ws_row /= vf->vf_height;
666 size->ws_col /= vf->vf_width;
671 vt_compute_drawable_area(struct vt_window *vw)
673 struct vt_device *vd;
679 if (vw->vw_font == NULL) {
680 vw->vw_draw_area.tr_begin.tp_col = 0;
681 vw->vw_draw_area.tr_begin.tp_row = 0;
682 if (vt_draw_logo_cpus)
683 vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height;
684 vw->vw_draw_area.tr_end.tp_col = vd->vd_width;
685 vw->vw_draw_area.tr_end.tp_row = vd->vd_height;
692 * Compute the drawable area, so that the text is centered on
696 height = vd->vd_height;
697 if (vt_draw_logo_cpus)
698 height -= vt_logo_sprite_height;
699 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2;
700 vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2;
701 if (vt_draw_logo_cpus)
702 vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height;
703 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col +
704 rounddown(vd->vd_width, vf->vf_width);
705 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row +
706 rounddown(height, vf->vf_height);
710 vt_scroll(struct vt_window *vw, int offset, int whence)
715 if ((vw->vw_flags & VWF_SCROLL) == 0)
718 vt_termsize(vw->vw_device, vw->vw_font, &size);
720 diff = vthistory_seek(&vw->vw_buf, offset, whence);
722 vw->vw_device->vd_flags |= VDF_INVALID;
723 vt_resume_flush_timer(vw, 0);
727 vt_machine_kbdevent(int c)
731 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */
733 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger");
735 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */
737 shutdown_nice(RB_HALT);
739 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */
740 #ifndef SC_NO_CUTPASTE
741 /* Insert text from cut-paste buffer. */
745 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */
747 shutdown_nice(RB_HALT|RB_POWEROFF);
749 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */
751 * Request to immediate panic if sysctl
752 * kern.vt.enable_panic_key allow it.
755 panic("Forced by the panic key");
757 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */
759 shutdown_nice(RB_AUTOBOOT);
761 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */
762 /* Force activatation/deactivation of the screen saver. */
765 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */
766 /* Put machine into Stand-By mode. */
767 power_pm_suspend(POWER_SLEEP_STATE_STANDBY);
769 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */
770 /* Suspend machine. */
771 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND);
779 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console)
781 struct vt_device *vd;
785 /* Only special keys handled in ScrollLock mode */
786 if ((c & SPCLKEY) == 0)
792 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
793 vw = vd->vd_windows[c - F_SCR];
794 vt_proc_window_switch(vw);
802 /* Turn scrolling off. */
803 vt_scroll(vw, 0, VHS_END);
804 VTBUF_SLCK_DISABLE(&vw->vw_buf);
805 vw->vw_flags &= ~VWF_SCROLL;
808 case FKEY | F(49): /* Home key. */
809 vt_scroll(vw, 0, VHS_SET);
811 case FKEY | F(50): /* Arrow up. */
812 vt_scroll(vw, -1, VHS_CUR);
814 case FKEY | F(51): /* Page up. */
815 vt_termsize(vd, vw->vw_font, &size);
816 vt_scroll(vw, -size.tp_row, VHS_CUR);
818 case FKEY | F(57): /* End key. */
819 vt_scroll(vw, 0, VHS_END);
821 case FKEY | F(58): /* Arrow down. */
822 vt_scroll(vw, 1, VHS_CUR);
824 case FKEY | F(59): /* Page down. */
825 vt_termsize(vd, vw->vw_font, &size);
826 vt_scroll(vw, size.tp_row, VHS_CUR);
835 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c)
837 struct vt_window *vw = vd->vd_curwindow;
839 random_harvest_queue(&c, sizeof(c), RANDOM_KEYBOARD);
840 #if VT_ALT_TO_ESC_HACK
842 switch (c & ~RELKEY) {
843 case (SPCLKEY | RALT):
844 if (vt_enable_altgr != 0)
846 case (SPCLKEY | LALT):
847 vd->vd_kbstate &= ~ALKED;
849 /* Other keys ignored for RELKEY event. */
852 switch (c & ~RELKEY) {
853 case (SPCLKEY | RALT):
854 if (vt_enable_altgr != 0)
856 case (SPCLKEY | LALT):
857 vd->vd_kbstate |= ALKED;
862 /* Other keys ignored for RELKEY event. */
866 if (vt_machine_kbdevent(c))
869 if (vw->vw_flags & VWF_SCROLL) {
870 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */);
871 /* Scroll mode keys handled, nothing to do more. */
878 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
879 vw = vd->vd_windows[c - F_SCR];
880 vt_proc_window_switch(vw);
886 /* Switch to next VT. */
887 c = (vw->vw_number + 1) % VT_MAXWINDOWS;
888 vw = vd->vd_windows[c];
889 vt_proc_window_switch(vw);
892 /* Switch to previous VT. */
893 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS;
894 vw = vd->vd_windows[c];
895 vt_proc_window_switch(vw);
898 vt_save_kbd_state(vw, kbd);
900 if (vw->vw_kbdstate & SLKED) {
901 /* Turn scrolling on. */
902 vw->vw_flags |= VWF_SCROLL;
903 VTBUF_SLCK_ENABLE(&vw->vw_buf);
905 /* Turn scrolling off. */
906 vw->vw_flags &= ~VWF_SCROLL;
907 VTBUF_SLCK_DISABLE(&vw->vw_buf);
908 vt_scroll(vw, 0, VHS_END);
913 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3):
914 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6):
915 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9):
916 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12):
917 /* F1 through F12 keys. */
918 terminal_input_special(vw->vw_terminal,
919 TKEY_F1 + c - (FKEY | F(1)));
921 case FKEY | F(49): /* Home key. */
922 terminal_input_special(vw->vw_terminal, TKEY_HOME);
924 case FKEY | F(50): /* Arrow up. */
925 terminal_input_special(vw->vw_terminal, TKEY_UP);
927 case FKEY | F(51): /* Page up. */
928 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP);
930 case FKEY | F(53): /* Arrow left. */
931 terminal_input_special(vw->vw_terminal, TKEY_LEFT);
933 case FKEY | F(55): /* Arrow right. */
934 terminal_input_special(vw->vw_terminal, TKEY_RIGHT);
936 case FKEY | F(57): /* End key. */
937 terminal_input_special(vw->vw_terminal, TKEY_END);
939 case FKEY | F(58): /* Arrow down. */
940 terminal_input_special(vw->vw_terminal, TKEY_DOWN);
942 case FKEY | F(59): /* Page down. */
943 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN);
945 case FKEY | F(60): /* Insert key. */
946 terminal_input_special(vw->vw_terminal, TKEY_INSERT);
948 case FKEY | F(61): /* Delete key. */
949 terminal_input_special(vw->vw_terminal, TKEY_DELETE);
952 } else if (KEYFLAGS(c) == 0) {
953 /* Don't do UTF-8 conversion when doing raw mode. */
954 if (vw->vw_kbdmode == K_XLATE) {
955 #if VT_ALT_TO_ESC_HACK
956 if (vd->vd_kbstate & ALKED) {
958 * Prepend ESC sequence if one of ALT keys down.
960 terminal_input_char(vw->vw_terminal, 0x1b);
964 kdb_alt_break(c, &vd->vd_altbrk);
966 terminal_input_char(vw->vw_terminal, KEYCHAR(c));
968 terminal_input_raw(vw->vw_terminal, c);
974 vt_kbdevent(keyboard_t *kbd, int event, void *arg)
976 struct vt_device *vd = arg;
982 case KBDIO_UNLOADING:
984 vd->vd_keyboard = NULL;
985 kbd_release(kbd, (void *)vd);
992 while ((c = kbdd_read_char(kbd, 0)) != NOKEY)
993 vt_processkey(kbd, vd, c);
999 vt_allocate_keyboard(struct vt_device *vd)
1001 int grabbed, i, idx0, idx;
1006 * If vt_upgrade() happens while the console is grabbed, we are
1007 * potentially going to switch keyboard devices while the keyboard is in
1008 * use. Unwind the grabbing of the current keyboard first, then we will
1009 * re-grab the new keyboard below, before we return.
1011 if (vd->vd_curwindow == &vt_conswindow) {
1012 grabbed = vd->vd_curwindow->vw_grabbed;
1013 for (i = 0; i < grabbed; ++i)
1014 vtterm_cnungrab(vd->vd_curwindow->vw_terminal);
1017 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd);
1019 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0);
1020 k0 = kbd_get_keyboard(idx0);
1022 for (idx = kbd_find_keyboard2("*", -1, 0);
1024 idx = kbd_find_keyboard2("*", -1, idx + 1)) {
1025 k = kbd_get_keyboard(idx);
1027 if (idx == idx0 || KBD_IS_BUSY(k))
1030 bzero(&ki, sizeof(ki));
1031 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name));
1032 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0';
1033 ki.kb_unit = k->kb_unit;
1035 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki);
1038 DPRINTF(20, "%s: no kbdmux allocated\n", __func__);
1039 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd);
1041 DPRINTF(10, "%s: No keyboard found.\n", __func__);
1044 k0 = kbd_get_keyboard(idx0);
1046 vd->vd_keyboard = k0;
1047 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__,
1048 vd->vd_keyboard->kb_index);
1050 if (vd->vd_curwindow == &vt_conswindow) {
1051 for (i = 0; i < grabbed; ++i)
1052 vtterm_cngrab(vd->vd_curwindow->vw_terminal);
1059 vtterm_bell(struct terminal *tm)
1061 struct vt_window *vw = tm->tm_softc;
1062 struct vt_device *vd = vw->vw_device;
1064 if (!vt_enable_bell)
1067 if (vd->vd_flags & VDF_QUIET_BELL)
1070 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION);
1074 vtterm_beep(struct terminal *tm, u_int param)
1078 if (!vt_enable_bell)
1081 if ((param == 0) || ((param & 0xffff) == 0)) {
1086 period = ((param >> 16) & 0xffff) * hz / 1000;
1087 freq = 1193182 / (param & 0xffff);
1089 sysbeep(freq, period);
1093 vtterm_cursor(struct terminal *tm, const term_pos_t *p)
1095 struct vt_window *vw = tm->tm_softc;
1097 vtbuf_cursor_position(&vw->vw_buf, p);
1101 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c)
1103 struct vt_window *vw = tm->tm_softc;
1105 vtbuf_putchar(&vw->vw_buf, p, c);
1109 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c)
1111 struct vt_window *vw = tm->tm_softc;
1113 vtbuf_fill(&vw->vw_buf, r, c);
1117 vtterm_copy(struct terminal *tm, const term_rect_t *r,
1118 const term_pos_t *p)
1120 struct vt_window *vw = tm->tm_softc;
1122 vtbuf_copy(&vw->vw_buf, r, p);
1126 vtterm_param(struct terminal *tm, int cmd, unsigned int arg)
1128 struct vt_window *vw = tm->tm_softc;
1131 case TP_SETLOCALCURSOR:
1133 * 0 means normal (usually block), 1 means hidden, and
1134 * 2 means blinking (always block) for compatibility with
1135 * syscons. We don't support any changes except hiding,
1136 * so must map 2 to 0.
1138 arg = (arg == 1) ? 0 : 1;
1141 vtbuf_cursor_visibility(&vw->vw_buf, arg);
1142 vt_resume_flush_timer(vw, 0);
1145 vw->vw_mouse_level = arg;
1151 vt_determine_colors(term_char_t c, int cursor,
1152 term_color_t *fg, term_color_t *bg)
1159 *fg = TCHAR_FGCOLOR(c);
1160 if (TCHAR_FORMAT(c) & TF_BOLD)
1161 *fg = TCOLOR_LIGHT(*fg);
1162 *bg = TCHAR_BGCOLOR(c);
1163 if (TCHAR_FORMAT(c) & TF_BLINK)
1164 *bg = TCOLOR_LIGHT(*bg);
1166 if (TCHAR_FORMAT(c) & TF_REVERSE)
1178 #ifndef SC_NO_CUTPASTE
1180 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area)
1182 unsigned int mx, my;
1185 * We use the cursor position saved during the current refresh,
1186 * in case the cursor moved since.
1188 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col;
1189 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row;
1191 if (mx >= area->tr_end.tp_col ||
1192 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col ||
1193 my >= area->tr_end.tp_row ||
1194 my + vd->vd_mcursor->height <= area->tr_begin.tp_row)
1200 vt_mark_mouse_position_as_dirty(struct vt_device *vd, int locked)
1203 struct vt_window *vw;
1207 vw = vd->vd_curwindow;
1210 x = vd->vd_mx_drawn;
1211 y = vd->vd_my_drawn;
1214 area.tr_begin.tp_col = x / vf->vf_width;
1215 area.tr_begin.tp_row = y / vf->vf_height;
1216 area.tr_end.tp_col =
1217 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1;
1218 area.tr_end.tp_row =
1219 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1;
1222 * No font loaded (ie. vt_vga operating in textmode).
1224 * FIXME: This fake area needs to be revisited once the
1225 * mouse cursor is supported in vt_vga's textmode.
1227 area.tr_begin.tp_col = x;
1228 area.tr_begin.tp_row = y;
1229 area.tr_end.tp_col = x + 2;
1230 area.tr_end.tp_row = y + 2;
1234 vtbuf_lock(&vw->vw_buf);
1235 if (vd->vd_driver->vd_invalidate_text)
1236 vd->vd_driver->vd_invalidate_text(vd, &area);
1237 vtbuf_dirty(&vw->vw_buf, &area);
1239 vtbuf_unlock(&vw->vw_buf);
1244 vt_set_border(struct vt_device *vd, const term_rect_t *area,
1247 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect;
1249 if (drawrect == NULL)
1253 if (area->tr_begin.tp_row > 0)
1254 drawrect(vd, 0, 0, vd->vd_width - 1,
1255 area->tr_begin.tp_row - 1, 1, c);
1258 if (area->tr_begin.tp_col > 0)
1259 drawrect(vd, 0, area->tr_begin.tp_row,
1260 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c);
1263 if (area->tr_end.tp_col < vd->vd_width)
1264 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row,
1265 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c);
1268 if (area->tr_end.tp_row < vd->vd_height)
1269 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1,
1270 vd->vd_height - 1, 1, c);
1274 vt_flush(struct vt_device *vd)
1276 struct vt_window *vw;
1279 #ifndef SC_NO_CUTPASTE
1280 int cursor_was_shown, cursor_moved;
1283 vw = vd->vd_curwindow;
1287 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY)
1291 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL))
1294 vtbuf_lock(&vw->vw_buf);
1296 #ifndef SC_NO_CUTPASTE
1297 cursor_was_shown = vd->vd_mshown;
1298 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn ||
1299 vd->vd_my != vd->vd_my_drawn);
1301 /* Check if the cursor should be displayed or not. */
1302 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */
1303 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */
1304 !kdb_active && !KERNEL_PANICKED()) { /* DDB inactive. */
1311 * If the cursor changed display state or moved, we must mark
1312 * the old position as dirty, so that it's erased.
1314 if (cursor_was_shown != vd->vd_mshown ||
1315 (vd->vd_mshown && cursor_moved))
1316 vt_mark_mouse_position_as_dirty(vd, true);
1319 * Save position of the mouse cursor. It's used by backends to
1320 * know where to draw the cursor and during the next refresh to
1321 * erase the previous position.
1323 vd->vd_mx_drawn = vd->vd_mx;
1324 vd->vd_my_drawn = vd->vd_my;
1327 * If the cursor is displayed and has moved since last refresh,
1328 * mark the new position as dirty.
1330 if (vd->vd_mshown && cursor_moved)
1331 vt_mark_mouse_position_as_dirty(vd, true);
1334 vtbuf_undirty(&vw->vw_buf, &tarea);
1336 /* Force a full redraw when the screen contents might be invalid. */
1337 if (vd->vd_flags & (VDF_INVALID | VDF_SUSPENDED)) {
1338 const teken_attr_t *a;
1340 vd->vd_flags &= ~VDF_INVALID;
1342 a = teken_get_curattr(&vw->vw_terminal->tm_emulator);
1343 vt_set_border(vd, &vw->vw_draw_area, a->ta_bgcolor);
1344 vt_termrect(vd, vf, &tarea);
1345 if (vd->vd_driver->vd_invalidate_text)
1346 vd->vd_driver->vd_invalidate_text(vd, &tarea);
1347 if (vt_draw_logo_cpus)
1348 vtterm_draw_cpu_logos(vd);
1351 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) {
1352 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea);
1353 vtbuf_unlock(&vw->vw_buf);
1357 vtbuf_unlock(&vw->vw_buf);
1364 struct vt_device *vd;
1368 /* Update screen if required. */
1369 changed = vt_flush(vd);
1371 /* Schedule for next update. */
1373 vt_schedule_flush(vd, 0);
1375 vd->vd_timer_armed = 0;
1379 vtterm_pre_input(struct terminal *tm)
1381 struct vt_window *vw = tm->tm_softc;
1383 vtbuf_lock(&vw->vw_buf);
1387 vtterm_post_input(struct terminal *tm)
1389 struct vt_window *vw = tm->tm_softc;
1391 vtbuf_unlock(&vw->vw_buf);
1392 vt_resume_flush_timer(vw, 0);
1396 vtterm_done(struct terminal *tm)
1398 struct vt_window *vw = tm->tm_softc;
1399 struct vt_device *vd = vw->vw_device;
1401 if (kdb_active || KERNEL_PANICKED()) {
1402 /* Switch to the debugger. */
1403 if (vd->vd_curwindow != vw) {
1404 vd->vd_curwindow = vw;
1405 vd->vd_flags |= VDF_INVALID;
1406 if (vd->vd_driver->vd_postswitch)
1407 vd->vd_driver->vd_postswitch(vd);
1409 vd->vd_flags &= ~VDF_SPLASH;
1411 } else if (!(vd->vd_flags & VDF_ASYNC)) {
1418 vtterm_splash(struct vt_device *vd)
1420 vt_axis_t top, left;
1422 /* Display a nice boot splash. */
1423 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) {
1425 top = (vd->vd_height - vt_logo_height) / 2;
1426 left = (vd->vd_width - vt_logo_width) / 2;
1427 switch (vt_logo_depth) {
1429 /* XXX: Unhardcode colors! */
1430 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow,
1431 vt_logo_image, NULL, vt_logo_width, vt_logo_height,
1432 left, top, TC_WHITE, TC_BLACK);
1434 vd->vd_flags |= VDF_SPLASH;
1441 vtterm_cnprobe(struct terminal *tm, struct consdev *cp)
1443 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL;
1444 struct vt_window *vw = tm->tm_softc;
1445 struct vt_device *vd = vw->vw_device;
1447 const term_attr_t *a;
1449 if (!vty_enabled(VTY_VT))
1452 if (vd->vd_flags & VDF_INITIALIZED)
1453 /* Initialization already done. */
1456 SET_FOREACH(vtdlist, vt_drv_set) {
1458 if (vtd->vd_probe == NULL)
1460 if (vtd->vd_probe(vd) == CN_DEAD)
1462 if ((vtdbest == NULL) ||
1463 (vtd->vd_priority > vtdbest->vd_priority))
1466 if (vtdbest == NULL) {
1467 cp->cn_pri = CN_DEAD;
1468 vd->vd_flags |= VDF_DEAD;
1470 vd->vd_driver = vtdbest;
1471 cp->cn_pri = vd->vd_driver->vd_init(vd);
1474 /* Check if driver's vt_init return CN_DEAD. */
1475 if (cp->cn_pri == CN_DEAD) {
1476 vd->vd_flags |= VDF_DEAD;
1479 /* Initialize any early-boot keyboard drivers */
1480 kbd_configure(KB_CONF_PROBE_ONLY);
1482 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1);
1483 vd->vd_windows[VT_CONSWINDOW] = vw;
1484 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw));
1486 /* Attach default font if not in TEXTMODE. */
1487 if ((vd->vd_flags & VDF_TEXTMODE) == 0) {
1488 vw->vw_font = vtfont_ref(&vt_font_default);
1489 vt_compute_drawable_area(vw);
1493 * The original screen size was faked (_VTDEFW x _VTDEFH). Now
1494 * that we have the real viewable size, fix it in the static
1497 if (vd->vd_width != 0 && vd->vd_height != 0)
1498 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size);
1500 /* We need to access terminal attributes from vtbuf */
1501 vw->vw_buf.vb_terminal = tm;
1502 vtbuf_init_early(&vw->vw_buf);
1503 vt_winsize(vd, vw->vw_font, &wsz);
1504 a = teken_get_curattr(&tm->tm_emulator);
1505 terminal_set_winsize_blank(tm, &wsz, 1, a);
1507 if (vtdbest != NULL) {
1512 vd->vd_flags |= VDF_INITIALIZED;
1517 vtterm_cngetc(struct terminal *tm)
1519 struct vt_window *vw = tm->tm_softc;
1520 struct vt_device *vd = vw->vw_device;
1524 if (vw->vw_kbdsq && *vw->vw_kbdsq)
1525 return (*vw->vw_kbdsq++);
1527 /* Make sure the splash screen is not there. */
1528 if (vd->vd_flags & VDF_SPLASH) {
1530 vd->vd_flags &= ~VDF_SPLASH;
1531 /* Mark screen as invalid to force update */
1532 vd->vd_flags |= VDF_INVALID;
1536 /* Stripped down keyboard handler. */
1537 if ((kbd = vd->vd_keyboard) == NULL)
1540 /* Force keyboard input mode to K_XLATE */
1541 vw->vw_kbdmode = K_XLATE;
1542 vt_update_kbd_mode(vw, kbd);
1544 /* Switch the keyboard to polling to make it work here. */
1545 kbdd_poll(kbd, TRUE);
1546 c = kbdd_read_char(kbd, 0);
1547 kbdd_poll(kbd, FALSE);
1551 if (vw->vw_flags & VWF_SCROLL) {
1552 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */);
1557 /* Stripped down handling of vt_kbdevent(), without locking, etc. */
1561 vt_save_kbd_state(vw, kbd);
1562 if (vw->vw_kbdstate & SLKED) {
1563 /* Turn scrolling on. */
1564 vw->vw_flags |= VWF_SCROLL;
1565 VTBUF_SLCK_ENABLE(&vw->vw_buf);
1567 /* Turn scrolling off. */
1568 vt_scroll(vw, 0, VHS_END);
1569 vw->vw_flags &= ~VWF_SCROLL;
1570 VTBUF_SLCK_DISABLE(&vw->vw_buf);
1573 /* XXX: KDB can handle history. */
1574 case SPCLKEY | FKEY | F(50): /* Arrow up. */
1575 vw->vw_kbdsq = "\x1b[A";
1577 case SPCLKEY | FKEY | F(58): /* Arrow down. */
1578 vw->vw_kbdsq = "\x1b[B";
1580 case SPCLKEY | FKEY | F(55): /* Arrow right. */
1581 vw->vw_kbdsq = "\x1b[C";
1583 case SPCLKEY | FKEY | F(53): /* Arrow left. */
1584 vw->vw_kbdsq = "\x1b[D";
1588 /* Force refresh to make scrollback work. */
1590 } else if (KEYFLAGS(c) == 0) {
1591 return (KEYCHAR(c));
1594 if (vw->vw_kbdsq && *vw->vw_kbdsq)
1595 return (*vw->vw_kbdsq++);
1601 vtterm_cngrab(struct terminal *tm)
1603 struct vt_device *vd;
1604 struct vt_window *vw;
1611 vt_window_switch(vw);
1613 if ((kbd = vd->vd_keyboard) == NULL)
1616 if (vw->vw_grabbed++ > 0)
1620 * Make sure the keyboard is accessible even when the kbd device
1621 * driver is disabled.
1625 /* We shall always use the keyboard in the XLATE mode here. */
1626 vw->vw_prev_kbdmode = vw->vw_kbdmode;
1627 vw->vw_kbdmode = K_XLATE;
1628 vt_update_kbd_mode(vw, kbd);
1630 kbdd_poll(kbd, TRUE);
1634 vtterm_cnungrab(struct terminal *tm)
1636 struct vt_device *vd;
1637 struct vt_window *vw;
1643 if ((kbd = vd->vd_keyboard) == NULL)
1646 if (--vw->vw_grabbed > 0)
1649 kbdd_poll(kbd, FALSE);
1651 vw->vw_kbdmode = vw->vw_prev_kbdmode;
1652 vt_update_kbd_mode(vw, kbd);
1657 vtterm_opened(struct terminal *tm, int opened)
1659 struct vt_window *vw = tm->tm_softc;
1660 struct vt_device *vd = vw->vw_device;
1663 vd->vd_flags &= ~VDF_SPLASH;
1665 vw->vw_flags |= VWF_OPENED;
1667 vw->vw_flags &= ~VWF_OPENED;
1668 /* TODO: finish ACQ/REL */
1674 vt_change_font(struct vt_window *vw, struct vt_font *vf)
1676 struct vt_device *vd = vw->vw_device;
1677 struct terminal *tm = vw->vw_terminal;
1684 * Changing fonts is a little tricky. We must prevent
1685 * simultaneous access to the device, so we must stop
1686 * the display timer and the terminal from accessing.
1687 * We need to switch fonts and grow our screen buffer.
1689 * XXX: Right now the code uses terminal_mute() to
1690 * prevent data from reaching the console driver while
1691 * resizing the screen buffer. This isn't elegant...
1695 if (vw->vw_flags & VWF_BUSY) {
1696 /* Another process is changing the font. */
1700 vw->vw_flags |= VWF_BUSY;
1703 vt_termsize(vd, vf, &size);
1704 vt_winsize(vd, vf, &wsz);
1706 /* Grow the screen buffer and terminal. */
1707 terminal_mute(tm, 1);
1708 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size);
1709 terminal_set_winsize_blank(tm, &wsz, 0, NULL);
1710 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor);
1711 terminal_mute(tm, 0);
1713 /* Actually apply the font to the current window. */
1715 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) {
1717 * In case vt_change_font called to update size we don't need
1718 * to update font link.
1720 vtfont_unref(vw->vw_font);
1721 vw->vw_font = vtfont_ref(vf);
1725 * Compute the drawable area and move the mouse cursor inside
1726 * it, in case the new area is smaller than the previous one.
1728 vt_compute_drawable_area(vw);
1729 vd->vd_mx = min(vd->vd_mx,
1730 vw->vw_draw_area.tr_end.tp_col -
1731 vw->vw_draw_area.tr_begin.tp_col - 1);
1732 vd->vd_my = min(vd->vd_my,
1733 vw->vw_draw_area.tr_end.tp_row -
1734 vw->vw_draw_area.tr_begin.tp_row - 1);
1736 /* Force a full redraw the next timer tick. */
1737 if (vd->vd_curwindow == vw) {
1738 vd->vd_flags |= VDF_INVALID;
1739 vt_resume_flush_timer(vw, 0);
1741 vw->vw_flags &= ~VWF_BUSY;
1747 vt_proc_alive(struct vt_window *vw)
1751 if (vw->vw_smode.mode != VT_PROCESS)
1755 if ((p = pfind(vw->vw_pid)) != NULL)
1757 if (vw->vw_proc == p)
1760 vw->vw_smode.mode = VT_AUTO;
1761 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid);
1768 signal_vt_rel(struct vt_window *vw)
1771 if (vw->vw_smode.mode != VT_PROCESS)
1773 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1778 vw->vw_flags |= VWF_SWWAIT_REL;
1779 PROC_LOCK(vw->vw_proc);
1780 kern_psignal(vw->vw_proc, vw->vw_smode.relsig);
1781 PROC_UNLOCK(vw->vw_proc);
1782 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid);
1787 signal_vt_acq(struct vt_window *vw)
1790 if (vw->vw_smode.mode != VT_PROCESS)
1792 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
1793 cnavailable(vw->vw_terminal->consdev, FALSE);
1794 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1799 vw->vw_flags |= VWF_SWWAIT_ACQ;
1800 PROC_LOCK(vw->vw_proc);
1801 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig);
1802 PROC_UNLOCK(vw->vw_proc);
1803 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid);
1808 finish_vt_rel(struct vt_window *vw, int release, int *s)
1811 if (vw->vw_flags & VWF_SWWAIT_REL) {
1812 vw->vw_flags &= ~VWF_SWWAIT_REL;
1814 callout_drain(&vw->vw_proc_dead_timer);
1815 (void)vt_late_window_switch(vw->vw_switch_to);
1823 finish_vt_acq(struct vt_window *vw)
1826 if (vw->vw_flags & VWF_SWWAIT_ACQ) {
1827 vw->vw_flags &= ~VWF_SWWAIT_ACQ;
1833 #ifndef SC_NO_CUTPASTE
1835 vt_mouse_terminput_button(struct vt_device *vd, int button)
1837 struct vt_window *vw;
1839 char mouseb[6] = "\x1B[M";
1842 vw = vd->vd_curwindow;
1845 /* Translate to char position. */
1846 x = vd->vd_mx / vf->vf_width;
1847 y = vd->vd_my / vf->vf_height;
1848 /* Avoid overflow. */
1849 x = MIN(x, 255 - '!');
1850 y = MIN(y, 255 - '!');
1852 mouseb[3] = ' ' + button;
1853 mouseb[4] = '!' + x;
1854 mouseb[5] = '!' + y;
1856 for (i = 0; i < sizeof(mouseb); i++)
1857 terminal_input_char(vw->vw_terminal, mouseb[i]);
1861 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event,
1866 case MOUSE_BUTTON_EVENT:
1868 /* Mouse button pressed. */
1869 if (event & MOUSE_BUTTON1DOWN)
1870 vt_mouse_terminput_button(vd, 0);
1871 if (event & MOUSE_BUTTON2DOWN)
1872 vt_mouse_terminput_button(vd, 1);
1873 if (event & MOUSE_BUTTON3DOWN)
1874 vt_mouse_terminput_button(vd, 2);
1876 /* Mouse button released. */
1877 vt_mouse_terminput_button(vd, 3);
1881 case MOUSE_MOTION_EVENT:
1882 if (mouse->u.data.z < 0) {
1884 sc_mouse_input_button(vd, 64);
1885 } else if (mouse->u.data.z > 0) {
1887 sc_mouse_input_button(vd, 65);
1900 len = VD_PASTEBUFLEN(main_vd);
1901 buf = VD_PASTEBUF(main_vd);
1902 len /= sizeof(term_char_t);
1903 for (i = 0; i < len; i++) {
1906 terminal_input_char(main_vd->vd_curwindow->vw_terminal,
1912 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel)
1914 struct vt_device *vd;
1915 struct vt_window *vw;
1921 vw = vd->vd_curwindow;
1925 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS))
1927 * Either the mouse is disabled, or the window is in
1928 * "graphics mode". The graphics mode is usually set by
1929 * an X server, using the KDSETMODE ioctl.
1933 if (vf == NULL) /* Text mode. */
1937 * TODO: add flag about pointer position changed, to not redraw chars
1938 * under mouse pointer when nothing changed.
1941 if (vw->vw_mouse_level > 0)
1942 vt_mouse_terminput(vd, type, x, y, event, cnt);
1946 case MOUSE_MOTION_EVENT:
1951 vt_termsize(vd, vf, &size);
1956 x = MIN(x, (size.tp_col * vf->vf_width) - 1);
1957 y = MIN(y, (size.tp_row * vf->vf_height) - 1);
1961 if (vd->vd_mstate & MOUSE_BUTTON1DOWN)
1962 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE,
1963 vd->vd_mx / vf->vf_width,
1964 vd->vd_my / vf->vf_height);
1966 vt_resume_flush_timer(vw, 0);
1968 case MOUSE_BUTTON_EVENT:
1976 case MOUSE_BUTTON1DOWN:
1979 mark = VTB_MARK_END;
1981 case 1: /* single click: start cut operation */
1982 mark = VTB_MARK_START;
1984 case 2: /* double click: cut a word */
1985 mark = VTB_MARK_WORD;
1987 case 3: /* triple click: cut a line */
1988 mark = VTB_MARK_ROW;
1992 case VT_MOUSE_PASTEBUTTON:
2001 case VT_MOUSE_EXTENDBUTTON:
2004 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN))
2005 mark = VTB_MARK_EXTEND;
2010 mark = VTB_MARK_EXTEND;
2018 /* Save buttons state. */
2020 vd->vd_mstate |= event;
2022 vd->vd_mstate &= ~event;
2024 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width,
2025 vd->vd_my / vf->vf_height) == 1) {
2027 * We have something marked to copy, so update pointer to
2028 * window with selection.
2030 vt_resume_flush_timer(vw, 0);
2036 case VTB_MARK_EXTEND:
2039 /* Other types of mark do not require to copy data. */
2043 /* Get current selection size in bytes. */
2044 len = vtbuf_get_marked_len(&vw->vw_buf);
2048 /* Reallocate buffer only if old one is too small. */
2049 if (len > VD_PASTEBUFSZ(vd)) {
2050 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT,
2052 /* Update buffer size. */
2053 VD_PASTEBUFSZ(vd) = len;
2055 /* Request copy/paste buffer data, no more than `len' */
2056 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd),
2059 VD_PASTEBUFLEN(vd) = len;
2061 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */
2066 vt_mouse_state(int show)
2068 struct vt_device *vd;
2069 struct vt_window *vw;
2072 vw = vd->vd_curwindow;
2076 vw->vw_flags |= VWF_MOUSE_HIDE;
2079 vw->vw_flags &= ~VWF_MOUSE_HIDE;
2083 /* Mark mouse position as dirty. */
2084 vt_mark_mouse_position_as_dirty(vd, false);
2085 vt_resume_flush_timer(vw, 0);
2090 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr,
2091 int nprot, vm_memattr_t *memattr)
2093 struct vt_window *vw = tm->tm_softc;
2094 struct vt_device *vd = vw->vw_device;
2096 if (vd->vd_driver->vd_fb_mmap)
2097 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot,
2104 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data,
2107 struct vt_window *vw = tm->tm_softc;
2108 struct vt_device *vd = vw->vw_device;
2111 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
2112 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
2123 cmd = VT_WAITACTIVE;
2150 cmd = CONS_SETWINORG;
2158 ival = IOCPARM_IVAL(data);
2159 data = (caddr_t)&ival;
2164 case KDSETRAD: /* set keyboard repeat & delay rates (old) */
2165 if (*(int *)data & ~0x7f)
2170 case GIO_DEADKEYMAP:
2171 case PIO_DEADKEYMAP:
2176 case KDGETREPEAT: /* get keyboard repeat & delay rates */
2177 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
2178 case KBADDKBD: /* add/remove keyboard to/from mux */
2183 if ((kbd = vd->vd_keyboard) != NULL)
2184 error = kbdd_ioctl(kbd, cmd, data);
2186 if (error == ENOIOCTL) {
2187 if (cmd == KDGKBTYPE) {
2188 /* always return something? XXX */
2196 case KDGKBSTATE: { /* get keyboard state (locks) */
2199 if (vw == vd->vd_curwindow) {
2201 if ((kbd = vd->vd_keyboard) != NULL)
2202 error = vt_save_kbd_state(vw, kbd);
2209 *(int *)data = vw->vw_kbdstate & LOCK_MASK;
2213 case KDSKBSTATE: { /* set keyboard state (locks) */
2216 state = *(int *)data;
2217 if (state & ~LOCK_MASK)
2220 vw->vw_kbdstate &= ~LOCK_MASK;
2221 vw->vw_kbdstate |= state;
2224 if (vw == vd->vd_curwindow) {
2226 if ((kbd = vd->vd_keyboard) != NULL)
2227 error = vt_update_kbd_state(vw, kbd);
2233 case KDGETLED: { /* get keyboard LED status */
2236 if (vw == vd->vd_curwindow) {
2238 if ((kbd = vd->vd_keyboard) != NULL)
2239 error = vt_save_kbd_leds(vw, kbd);
2246 *(int *)data = vw->vw_kbdstate & LED_MASK;
2250 case KDSETLED: { /* set keyboard LED status */
2253 leds = *(int *)data;
2254 if (leds & ~LED_MASK)
2257 vw->vw_kbdstate &= ~LED_MASK;
2258 vw->vw_kbdstate |= leds;
2261 if (vw == vd->vd_curwindow) {
2263 if ((kbd = vd->vd_keyboard) != NULL)
2264 error = vt_update_kbd_leds(vw, kbd);
2271 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ?
2272 KD_GRAPHICS : KD_TEXT;
2277 if (vw == vd->vd_curwindow) {
2279 if ((kbd = vd->vd_keyboard) != NULL)
2280 error = vt_save_kbd_mode(vw, kbd);
2287 *(int *)data = vw->vw_kbdmode;
2294 mode = *(int *)data;
2299 vw->vw_kbdmode = mode;
2302 if (vw == vd->vd_curwindow) {
2304 if ((kbd = vd->vd_keyboard) != NULL)
2305 error = vt_update_kbd_mode(vw, kbd);
2315 case FBIO_GETWINORG: /* get frame buffer window origin */
2316 case FBIO_GETDISPSTART: /* get display start address */
2317 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
2318 case FBIO_BLANK: /* blank display */
2319 if (vd->vd_driver->vd_fb_ioctl)
2320 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td));
2322 case CONS_BLANKTIME:
2326 if (*(int *)data < 0)
2328 if (*(int *)data != vd->vd_curwindow->vw_buf.vb_history_size)
2329 vtbuf_sethistory_size(&vd->vd_curwindow->vw_buf,
2334 *(int *)data = M_CG640x480;
2336 case CONS_BELLTYPE: /* set bell type sound */
2337 if ((*(int *)data) & CONS_QUIET_BELL)
2338 vd->vd_flags |= VDF_QUIET_BELL;
2340 vd->vd_flags &= ~VDF_QUIET_BELL;
2342 case CONS_GETINFO: {
2343 vid_info_t *vi = (vid_info_t *)data;
2344 if (vi->size != sizeof(struct vid_info))
2347 if (vw == vd->vd_curwindow) {
2349 if ((kbd = vd->vd_keyboard) != NULL)
2350 vt_save_kbd_state(vw, kbd);
2354 vi->m_num = vd->vd_curwindow->vw_number + 1;
2355 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK;
2356 /* XXX: other fields! */
2360 *(int *)data = 0x200;
2365 case CONS_MOUSECTL: {
2366 mouse_info_t *mouse = (mouse_info_t*)data;
2369 * All the commands except MOUSE_SHOW nd MOUSE_HIDE
2370 * should not be applied to individual TTYs, but only to
2373 switch (mouse->operation) {
2375 if (vd->vd_flags & VDF_MOUSECURSOR) {
2376 vd->vd_flags &= ~VDF_MOUSECURSOR;
2377 #ifndef SC_NO_CUTPASTE
2378 vt_mouse_state(VT_MOUSE_HIDE);
2383 if (!(vd->vd_flags & VDF_MOUSECURSOR)) {
2384 vd->vd_flags |= VDF_MOUSECURSOR;
2385 vd->vd_mx = vd->vd_width / 2;
2386 vd->vd_my = vd->vd_height / 2;
2387 #ifndef SC_NO_CUTPASTE
2388 vt_mouse_state(VT_MOUSE_SHOW);
2399 if (vd->vd_flags & VDF_TEXTMODE)
2402 error = vtfont_load((void *)data, &vf);
2406 error = vt_change_font(vw, vf);
2410 case PIO_VFONT_DEFAULT: {
2411 /* Reset to default font. */
2412 error = vt_change_font(vw, &vt_font_default);
2416 scrmap_t *sm = (scrmap_t *)data;
2418 /* We don't have screen maps, so return a handcrafted one. */
2419 for (i = 0; i < 256; i++)
2425 * FIXME: This implementation is incomplete compared to
2428 switch (*(int *)data) {
2432 vw->vw_flags &= ~VWF_GRAPHICS;
2435 vw->vw_flags |= VWF_GRAPHICS;
2439 case KDENABIO: /* allow io operations */
2440 error = priv_check(td, PRIV_IO);
2443 error = securelevel_gt(td->td_ucred, 0);
2446 #if defined(__i386__)
2447 td->td_frame->tf_eflags |= PSL_IOPL;
2448 #elif defined(__amd64__)
2449 td->td_frame->tf_rflags |= PSL_IOPL;
2452 case KDDISABIO: /* disallow io operations (default) */
2453 #if defined(__i386__)
2454 td->td_frame->tf_eflags &= ~PSL_IOPL;
2455 #elif defined(__amd64__)
2456 td->td_frame->tf_rflags &= ~PSL_IOPL;
2459 case KDMKTONE: /* sound the bell */
2460 vtterm_beep(tm, *(u_int *)data);
2462 case KIOCSOUND: /* make tone (*data) hz */
2465 case CONS_SETKBD: /* set the new keyboard */
2468 if (vd->vd_keyboard == NULL ||
2469 vd->vd_keyboard->kb_index != *(int *)data) {
2470 kbd = kbd_get_keyboard(*(int *)data);
2475 i = kbd_allocate(kbd->kb_name, kbd->kb_unit,
2476 (void *)vd, vt_kbdevent, vd);
2478 if ((kbd = vd->vd_keyboard) != NULL) {
2479 vt_save_kbd_state(vd->vd_curwindow, kbd);
2480 kbd_release(kbd, (void *)vd);
2482 kbd = vd->vd_keyboard = kbd_get_keyboard(i);
2484 vt_update_kbd_mode(vd->vd_curwindow, kbd);
2485 vt_update_kbd_state(vd->vd_curwindow, kbd);
2487 error = EPERM; /* XXX */
2492 case CONS_RELKBD: /* release the current keyboard */
2495 if ((kbd = vd->vd_keyboard) != NULL) {
2496 vt_save_kbd_state(vd->vd_curwindow, kbd);
2497 error = kbd_release(kbd, (void *)vd);
2499 vd->vd_keyboard = NULL;
2506 win = *(int *)data - 1;
2507 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME,
2509 if ((win >= VT_MAXWINDOWS) || (win < 0))
2511 return (vt_proc_window_switch(vd->vd_windows[win]));
2514 *(int *)data = vd->vd_curwindow->vw_number + 1;
2517 *(int *)data = vw->vw_number + 1;
2520 /* TODO: Check current state, switching can be in progress. */
2521 if ((*(int *)data) == 0x01)
2522 vw->vw_flags |= VWF_VTYLOCK;
2523 else if ((*(int *)data) == 0x02)
2524 vw->vw_flags &= ~VWF_VTYLOCK;
2530 for (i = 0; i < VT_MAXWINDOWS; i++) {
2531 vw = vd->vd_windows[i];
2534 if (!(vw->vw_flags & VWF_OPENED)) {
2535 *(int *)data = vw->vw_number + 1;
2542 case VT_WAITACTIVE: {
2547 idx = *(unsigned int *)data;
2548 if (idx > VT_MAXWINDOWS)
2551 vw = vd->vd_windows[idx - 1];
2554 while (vd->vd_curwindow != vw && error == 0)
2555 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
2559 case VT_SETMODE: { /* set screen switcher mode */
2560 struct vt_mode *mode;
2563 mode = (struct vt_mode *)data;
2564 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw));
2565 if (vw->vw_smode.mode == VT_PROCESS) {
2566 p1 = pfind(vw->vw_pid);
2567 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) {
2570 DPRINTF(5, "error EPERM\n");
2576 if (mode->mode == VT_AUTO) {
2577 vw->vw_smode.mode = VT_AUTO;
2580 DPRINTF(5, "VT_AUTO, ");
2581 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
2582 cnavailable(vw->vw_terminal->consdev, TRUE);
2583 /* were we in the middle of the vty switching process? */
2584 if (finish_vt_rel(vw, TRUE, &s) == 0)
2585 DPRINTF(5, "reset WAIT_REL, ");
2586 if (finish_vt_acq(vw) == 0)
2587 DPRINTF(5, "reset WAIT_ACQ, ");
2589 } else if (mode->mode == VT_PROCESS) {
2590 if (!ISSIGVALID(mode->relsig) ||
2591 !ISSIGVALID(mode->acqsig) ||
2592 !ISSIGVALID(mode->frsig)) {
2593 DPRINTF(5, "error EINVAL\n");
2596 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid);
2597 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode));
2598 vw->vw_proc = td->td_proc;
2599 vw->vw_pid = vw->vw_proc->p_pid;
2600 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
2601 cnavailable(vw->vw_terminal->consdev, FALSE);
2603 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n",
2610 case VT_GETMODE: /* get screen switcher mode */
2611 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode));
2614 case VT_RELDISP: /* screen switcher ioctl */
2616 * This must be the current vty which is in the VT_PROCESS
2619 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode !=
2623 /* ...and this process is controlling it. */
2624 if (vw->vw_proc != td->td_proc) {
2628 switch(*(int *)data) {
2629 case VT_FALSE: /* user refuses to release screen, abort */
2630 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0)
2631 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n",
2632 SC_DRIVER_NAME, VT_UNIT(vw));
2634 case VT_TRUE: /* user has released screen, go on */
2635 /* finish_vt_rel(..., TRUE, ...) should not be locked */
2636 if (vw->vw_flags & VWF_SWWAIT_REL) {
2637 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0)
2638 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n",
2639 SC_DRIVER_NAME, VT_UNIT(vw));
2644 case VT_ACKACQ: /* acquire acknowledged, switch completed */
2645 if ((error = finish_vt_acq(vw)) == 0)
2646 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n",
2647 SC_DRIVER_NAME, VT_UNIT(vw));
2658 static struct vt_window *
2659 vt_allocate_window(struct vt_device *vd, unsigned int window)
2661 struct vt_window *vw;
2662 struct terminal *tm;
2666 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO);
2668 vw->vw_number = window;
2669 vw->vw_kbdmode = K_XLATE;
2671 if ((vd->vd_flags & VDF_TEXTMODE) == 0) {
2672 vw->vw_font = vtfont_ref(&vt_font_default);
2673 vt_compute_drawable_area(vw);
2676 vt_termsize(vd, vw->vw_font, &size);
2677 vt_winsize(vd, vw->vw_font, &wsz);
2678 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw);
2679 vw->vw_buf.vb_terminal = tm; /* must be set before vtbuf_init() */
2680 vtbuf_init(&vw->vw_buf, &size);
2682 terminal_set_winsize(tm, &wsz);
2683 vd->vd_windows[window] = vw;
2684 callout_init(&vw->vw_proc_dead_timer, 0);
2690 vt_upgrade(struct vt_device *vd)
2692 struct vt_window *vw;
2694 int register_handlers;
2696 if (!vty_enabled(VTY_VT))
2698 if (main_vd->vd_driver == NULL)
2701 for (i = 0; i < VT_MAXWINDOWS; i++) {
2702 vw = vd->vd_windows[i];
2705 vw = vt_allocate_window(vd, i);
2707 if (!(vw->vw_flags & VWF_READY)) {
2708 callout_init(&vw->vw_proc_dead_timer, 0);
2709 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw));
2710 vw->vw_flags |= VWF_READY;
2711 if (vw->vw_flags & VWF_CONSOLE) {
2712 /* For existing console window. */
2713 EVENTHANDLER_REGISTER(shutdown_pre_sync,
2714 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT);
2720 if (vd->vd_curwindow == NULL)
2721 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW];
2723 register_handlers = 0;
2724 if (!(vd->vd_flags & VDF_ASYNC)) {
2725 /* Attach keyboard. */
2726 vt_allocate_keyboard(vd);
2728 /* Init 25 Hz timer. */
2729 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0);
2732 * Start timer when everything ready.
2733 * Note that the operations here are purposefully ordered.
2734 * We need to ensure vd_timer_armed is non-zero before we set
2735 * the VDF_ASYNC flag. That prevents this function from
2736 * racing with vt_resume_flush_timer() to update the
2737 * callout structure.
2739 atomic_add_acq_int(&vd->vd_timer_armed, 1);
2740 vd->vd_flags |= VDF_ASYNC;
2741 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd);
2742 register_handlers = 1;
2747 /* Refill settings with new sizes. */
2750 if (register_handlers) {
2751 /* Register suspend/resume handlers. */
2752 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler,
2753 vd, EVENTHANDLER_PRI_ANY);
2754 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd,
2755 EVENTHANDLER_PRI_ANY);
2760 vt_resize(struct vt_device *vd)
2762 struct vt_window *vw;
2765 for (i = 0; i < VT_MAXWINDOWS; i++) {
2766 vw = vd->vd_windows[i];
2768 /* Assign default font to window, if not textmode. */
2769 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL)
2770 vw->vw_font = vtfont_ref(&vt_font_default);
2773 /* Resize terminal windows */
2774 while (vt_change_font(vw, vw->vw_font) == EBUSY) {
2775 DPRINTF(100, "%s: vt_change_font() is busy, "
2776 "window %d\n", __func__, i);
2782 vt_replace_backend(const struct vt_driver *drv, void *softc)
2784 struct vt_device *vd;
2788 if (vd->vd_flags & VDF_ASYNC) {
2789 /* Stop vt_flush periodic task. */
2791 vt_suspend_flush_timer(vd);
2794 * Mute current terminal until we done. vt_change_font (called
2795 * from vt_resize) will unmute it.
2797 terminal_mute(vd->vd_curwindow->vw_terminal, 1);
2801 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will
2805 vd->vd_flags &= ~VDF_TEXTMODE;
2809 * We want to upgrade from the current driver to the
2813 vd->vd_prev_driver = vd->vd_driver;
2814 vd->vd_prev_softc = vd->vd_softc;
2815 vd->vd_driver = drv;
2816 vd->vd_softc = softc;
2818 vd->vd_driver->vd_init(vd);
2819 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) {
2821 * No driver given: we want to downgrade to the previous
2824 const struct vt_driver *old_drv;
2827 old_drv = vd->vd_driver;
2828 old_softc = vd->vd_softc;
2830 vd->vd_driver = vd->vd_prev_driver;
2831 vd->vd_softc = vd->vd_prev_softc;
2832 vd->vd_prev_driver = NULL;
2833 vd->vd_prev_softc = NULL;
2835 vd->vd_flags |= VDF_DOWNGRADE;
2837 vd->vd_driver->vd_init(vd);
2839 if (old_drv->vd_fini)
2840 old_drv->vd_fini(vd, old_softc);
2842 vd->vd_flags &= ~VDF_DOWNGRADE;
2847 /* Update windows sizes and initialize last items. */
2851 if (vd->vd_flags & VDF_SPLASH)
2855 if (vd->vd_flags & VDF_ASYNC) {
2856 /* Allow to put chars now. */
2857 terminal_mute(vd->vd_curwindow->vw_terminal, 0);
2858 /* Rerun timer for screen updates. */
2859 vt_resume_flush_timer(vd->vd_curwindow, 0);
2863 * Register as console. If it already registered, cnadd() will ignore
2866 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal);
2870 vt_suspend_handler(void *priv)
2872 struct vt_device *vd;
2875 vd->vd_flags |= VDF_SUSPENDED;
2876 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL)
2877 vd->vd_driver->vd_suspend(vd);
2881 vt_resume_handler(void *priv)
2883 struct vt_device *vd;
2886 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL)
2887 vd->vd_driver->vd_resume(vd);
2888 vd->vd_flags &= ~VDF_SUSPENDED;
2892 vt_allocate(const struct vt_driver *drv, void *softc)
2895 if (!vty_enabled(VTY_VT))
2898 if (main_vd->vd_driver == NULL) {
2899 main_vd->vd_driver = drv;
2900 printf("VT: initialize with new VT driver \"%s\".\n",
2904 * Check if have rights to replace current driver. For example:
2905 * it is bad idea to replace KMS driver with generic VGA one.
2907 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) {
2908 printf("VT: Driver priority %d too low. Current %d\n ",
2909 drv->vd_priority, main_vd->vd_driver->vd_priority);
2912 printf("VT: Replacing driver \"%s\" with new \"%s\".\n",
2913 main_vd->vd_driver->vd_name, drv->vd_name);
2916 vt_replace_backend(drv, softc);
2920 vt_deallocate(const struct vt_driver *drv, void *softc)
2923 if (!vty_enabled(VTY_VT))
2926 if (main_vd->vd_prev_driver == NULL ||
2927 main_vd->vd_driver != drv ||
2928 main_vd->vd_softc != softc)
2931 printf("VT: Switching back from \"%s\" to \"%s\".\n",
2932 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name);
2934 vt_replace_backend(NULL, NULL);
2938 vt_suspend(struct vt_device *vd)
2942 if (vt_suspendswitch == 0)
2944 /* Save current window. */
2945 vd->vd_savedwindow = vd->vd_curwindow;
2946 /* Ask holding process to free window and switch to console window */
2947 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]);
2949 /* Wait for the window switch to complete. */
2952 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0)
2953 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
2958 vt_resume(struct vt_device *vd)
2961 if (vt_suspendswitch == 0)
2963 /* Switch back to saved window, if any */
2964 vt_proc_window_switch(vd->vd_savedwindow);
2965 vd->vd_savedwindow = NULL;