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 kbd = kbd_get_keyboard(vd->vd_keyboard);
610 if (curvw->vw_kbdmode == K_XLATE)
611 vt_save_kbd_state(curvw, kbd);
613 vt_update_kbd_mode(vw, kbd);
614 vt_update_kbd_state(vw, kbd);
617 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number);
623 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size)
626 size->tp_row = vd->vd_height;
627 if (vt_draw_logo_cpus)
628 size->tp_row -= vt_logo_sprite_height;
629 size->tp_col = vd->vd_width;
631 size->tp_row /= vf->vf_height;
632 size->tp_col /= vf->vf_width;
637 vt_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect)
640 rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0;
641 if (vt_draw_logo_cpus)
642 rect->tr_begin.tp_row = vt_logo_sprite_height;
644 rect->tr_end.tp_row = vd->vd_height;
645 rect->tr_end.tp_col = vd->vd_width;
648 rect->tr_begin.tp_row =
649 howmany(rect->tr_begin.tp_row, vf->vf_height);
651 rect->tr_end.tp_row /= vf->vf_height;
652 rect->tr_end.tp_col /= vf->vf_width;
657 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size)
660 size->ws_ypixel = vd->vd_height;
661 if (vt_draw_logo_cpus)
662 size->ws_ypixel -= vt_logo_sprite_height;
663 size->ws_row = size->ws_ypixel;
664 size->ws_col = size->ws_xpixel = vd->vd_width;
666 size->ws_row /= vf->vf_height;
667 size->ws_col /= vf->vf_width;
672 vt_compute_drawable_area(struct vt_window *vw)
674 struct vt_device *vd;
680 if (vw->vw_font == NULL) {
681 vw->vw_draw_area.tr_begin.tp_col = 0;
682 vw->vw_draw_area.tr_begin.tp_row = 0;
683 if (vt_draw_logo_cpus)
684 vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height;
685 vw->vw_draw_area.tr_end.tp_col = vd->vd_width;
686 vw->vw_draw_area.tr_end.tp_row = vd->vd_height;
693 * Compute the drawable area, so that the text is centered on
697 height = vd->vd_height;
698 if (vt_draw_logo_cpus)
699 height -= vt_logo_sprite_height;
700 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2;
701 vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2;
702 if (vt_draw_logo_cpus)
703 vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height;
704 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col +
705 rounddown(vd->vd_width, vf->vf_width);
706 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row +
707 rounddown(height, vf->vf_height);
711 vt_scroll(struct vt_window *vw, int offset, int whence)
716 if ((vw->vw_flags & VWF_SCROLL) == 0)
719 vt_termsize(vw->vw_device, vw->vw_font, &size);
721 diff = vthistory_seek(&vw->vw_buf, offset, whence);
723 vw->vw_device->vd_flags |= VDF_INVALID;
724 vt_resume_flush_timer(vw, 0);
728 vt_machine_kbdevent(int c)
732 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */
734 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger");
736 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */
738 shutdown_nice(RB_HALT);
740 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */
741 #ifndef SC_NO_CUTPASTE
742 /* Insert text from cut-paste buffer. */
746 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */
748 shutdown_nice(RB_HALT|RB_POWEROFF);
750 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */
752 * Request to immediate panic if sysctl
753 * kern.vt.enable_panic_key allow it.
756 panic("Forced by the panic key");
758 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */
760 shutdown_nice(RB_AUTOBOOT);
762 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */
763 /* Force activatation/deactivation of the screen saver. */
766 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */
767 /* Put machine into Stand-By mode. */
768 power_pm_suspend(POWER_SLEEP_STATE_STANDBY);
770 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */
771 /* Suspend machine. */
772 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND);
780 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console)
782 struct vt_device *vd;
786 /* Only special keys handled in ScrollLock mode */
787 if ((c & SPCLKEY) == 0)
793 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
794 vw = vd->vd_windows[c - F_SCR];
795 vt_proc_window_switch(vw);
803 /* Turn scrolling off. */
804 vt_scroll(vw, 0, VHS_END);
805 VTBUF_SLCK_DISABLE(&vw->vw_buf);
806 vw->vw_flags &= ~VWF_SCROLL;
809 case FKEY | F(49): /* Home key. */
810 vt_scroll(vw, 0, VHS_SET);
812 case FKEY | F(50): /* Arrow up. */
813 vt_scroll(vw, -1, VHS_CUR);
815 case FKEY | F(51): /* Page up. */
816 vt_termsize(vd, vw->vw_font, &size);
817 vt_scroll(vw, -size.tp_row, VHS_CUR);
819 case FKEY | F(57): /* End key. */
820 vt_scroll(vw, 0, VHS_END);
822 case FKEY | F(58): /* Arrow down. */
823 vt_scroll(vw, 1, VHS_CUR);
825 case FKEY | F(59): /* Page down. */
826 vt_termsize(vd, vw->vw_font, &size);
827 vt_scroll(vw, size.tp_row, VHS_CUR);
836 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c)
838 struct vt_window *vw = vd->vd_curwindow;
840 random_harvest_queue(&c, sizeof(c), RANDOM_KEYBOARD);
841 #if VT_ALT_TO_ESC_HACK
843 switch (c & ~RELKEY) {
844 case (SPCLKEY | RALT):
845 if (vt_enable_altgr != 0)
847 case (SPCLKEY | LALT):
848 vd->vd_kbstate &= ~ALKED;
850 /* Other keys ignored for RELKEY event. */
853 switch (c & ~RELKEY) {
854 case (SPCLKEY | RALT):
855 if (vt_enable_altgr != 0)
857 case (SPCLKEY | LALT):
858 vd->vd_kbstate |= ALKED;
863 /* Other keys ignored for RELKEY event. */
867 if (vt_machine_kbdevent(c))
870 if (vw->vw_flags & VWF_SCROLL) {
871 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */);
872 /* Scroll mode keys handled, nothing to do more. */
879 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
880 vw = vd->vd_windows[c - F_SCR];
881 vt_proc_window_switch(vw);
887 /* Switch to next VT. */
888 c = (vw->vw_number + 1) % VT_MAXWINDOWS;
889 vw = vd->vd_windows[c];
890 vt_proc_window_switch(vw);
893 /* Switch to previous VT. */
894 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS;
895 vw = vd->vd_windows[c];
896 vt_proc_window_switch(vw);
899 vt_save_kbd_state(vw, kbd);
901 if (vw->vw_kbdstate & SLKED) {
902 /* Turn scrolling on. */
903 vw->vw_flags |= VWF_SCROLL;
904 VTBUF_SLCK_ENABLE(&vw->vw_buf);
906 /* Turn scrolling off. */
907 vw->vw_flags &= ~VWF_SCROLL;
908 VTBUF_SLCK_DISABLE(&vw->vw_buf);
909 vt_scroll(vw, 0, VHS_END);
914 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3):
915 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6):
916 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9):
917 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12):
918 /* F1 through F12 keys. */
919 terminal_input_special(vw->vw_terminal,
920 TKEY_F1 + c - (FKEY | F(1)));
922 case FKEY | F(49): /* Home key. */
923 terminal_input_special(vw->vw_terminal, TKEY_HOME);
925 case FKEY | F(50): /* Arrow up. */
926 terminal_input_special(vw->vw_terminal, TKEY_UP);
928 case FKEY | F(51): /* Page up. */
929 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP);
931 case FKEY | F(53): /* Arrow left. */
932 terminal_input_special(vw->vw_terminal, TKEY_LEFT);
934 case FKEY | F(55): /* Arrow right. */
935 terminal_input_special(vw->vw_terminal, TKEY_RIGHT);
937 case FKEY | F(57): /* End key. */
938 terminal_input_special(vw->vw_terminal, TKEY_END);
940 case FKEY | F(58): /* Arrow down. */
941 terminal_input_special(vw->vw_terminal, TKEY_DOWN);
943 case FKEY | F(59): /* Page down. */
944 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN);
946 case FKEY | F(60): /* Insert key. */
947 terminal_input_special(vw->vw_terminal, TKEY_INSERT);
949 case FKEY | F(61): /* Delete key. */
950 terminal_input_special(vw->vw_terminal, TKEY_DELETE);
953 } else if (KEYFLAGS(c) == 0) {
954 /* Don't do UTF-8 conversion when doing raw mode. */
955 if (vw->vw_kbdmode == K_XLATE) {
956 #if VT_ALT_TO_ESC_HACK
957 if (vd->vd_kbstate & ALKED) {
959 * Prepend ESC sequence if one of ALT keys down.
961 terminal_input_char(vw->vw_terminal, 0x1b);
965 kdb_alt_break(c, &vd->vd_altbrk);
967 terminal_input_char(vw->vw_terminal, KEYCHAR(c));
969 terminal_input_raw(vw->vw_terminal, c);
975 vt_kbdevent(keyboard_t *kbd, int event, void *arg)
977 struct vt_device *vd = arg;
983 case KBDIO_UNLOADING:
985 vd->vd_keyboard = -1;
986 kbd_release(kbd, (void *)vd);
993 while ((c = kbdd_read_char(kbd, 0)) != NOKEY)
994 vt_processkey(kbd, vd, c);
1000 vt_allocate_keyboard(struct vt_device *vd)
1002 int grabbed, i, idx0, idx;
1007 * If vt_upgrade() happens while the console is grabbed, we are
1008 * potentially going to switch keyboard devices while the keyboard is in
1009 * use. Unwind the grabbing of the current keyboard first, then we will
1010 * re-grab the new keyboard below, before we return.
1012 if (vd->vd_curwindow == &vt_conswindow) {
1013 grabbed = vd->vd_curwindow->vw_grabbed;
1014 for (i = 0; i < grabbed; ++i)
1015 vtterm_cnungrab(vd->vd_curwindow->vw_terminal);
1018 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd);
1020 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0);
1021 k0 = kbd_get_keyboard(idx0);
1023 for (idx = kbd_find_keyboard2("*", -1, 0);
1025 idx = kbd_find_keyboard2("*", -1, idx + 1)) {
1026 k = kbd_get_keyboard(idx);
1028 if (idx == idx0 || KBD_IS_BUSY(k))
1031 bzero(&ki, sizeof(ki));
1032 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name));
1033 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0';
1034 ki.kb_unit = k->kb_unit;
1036 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki);
1039 DPRINTF(20, "%s: no kbdmux allocated\n", __func__);
1040 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd);
1042 DPRINTF(10, "%s: No keyboard found.\n", __func__);
1046 vd->vd_keyboard = idx0;
1047 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard);
1049 if (vd->vd_curwindow == &vt_conswindow) {
1050 for (i = 0; i < grabbed; ++i)
1051 vtterm_cngrab(vd->vd_curwindow->vw_terminal);
1058 vtterm_bell(struct terminal *tm)
1060 struct vt_window *vw = tm->tm_softc;
1061 struct vt_device *vd = vw->vw_device;
1063 if (!vt_enable_bell)
1066 if (vd->vd_flags & VDF_QUIET_BELL)
1069 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION);
1073 vtterm_beep(struct terminal *tm, u_int param)
1077 if (!vt_enable_bell)
1080 if ((param == 0) || ((param & 0xffff) == 0)) {
1085 period = ((param >> 16) & 0xffff) * hz / 1000;
1086 freq = 1193182 / (param & 0xffff);
1088 sysbeep(freq, period);
1092 vtterm_cursor(struct terminal *tm, const term_pos_t *p)
1094 struct vt_window *vw = tm->tm_softc;
1096 vtbuf_cursor_position(&vw->vw_buf, p);
1100 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c)
1102 struct vt_window *vw = tm->tm_softc;
1104 vtbuf_putchar(&vw->vw_buf, p, c);
1108 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c)
1110 struct vt_window *vw = tm->tm_softc;
1112 vtbuf_fill(&vw->vw_buf, r, c);
1116 vtterm_copy(struct terminal *tm, const term_rect_t *r,
1117 const term_pos_t *p)
1119 struct vt_window *vw = tm->tm_softc;
1121 vtbuf_copy(&vw->vw_buf, r, p);
1125 vtterm_param(struct terminal *tm, int cmd, unsigned int arg)
1127 struct vt_window *vw = tm->tm_softc;
1130 case TP_SETLOCALCURSOR:
1132 * 0 means normal (usually block), 1 means hidden, and
1133 * 2 means blinking (always block) for compatibility with
1134 * syscons. We don't support any changes except hiding,
1135 * so must map 2 to 0.
1137 arg = (arg == 1) ? 0 : 1;
1140 vtbuf_cursor_visibility(&vw->vw_buf, arg);
1141 vt_resume_flush_timer(vw, 0);
1144 vw->vw_mouse_level = arg;
1150 vt_determine_colors(term_char_t c, int cursor,
1151 term_color_t *fg, term_color_t *bg)
1158 *fg = TCHAR_FGCOLOR(c);
1159 if (TCHAR_FORMAT(c) & TF_BOLD)
1160 *fg = TCOLOR_LIGHT(*fg);
1161 *bg = TCHAR_BGCOLOR(c);
1162 if (TCHAR_FORMAT(c) & TF_BLINK)
1163 *bg = TCOLOR_LIGHT(*bg);
1165 if (TCHAR_FORMAT(c) & TF_REVERSE)
1177 #ifndef SC_NO_CUTPASTE
1179 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area)
1181 unsigned int mx, my;
1184 * We use the cursor position saved during the current refresh,
1185 * in case the cursor moved since.
1187 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col;
1188 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row;
1190 if (mx >= area->tr_end.tp_col ||
1191 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col ||
1192 my >= area->tr_end.tp_row ||
1193 my + vd->vd_mcursor->height <= area->tr_begin.tp_row)
1199 vt_mark_mouse_position_as_dirty(struct vt_device *vd, int locked)
1202 struct vt_window *vw;
1206 vw = vd->vd_curwindow;
1209 x = vd->vd_mx_drawn;
1210 y = vd->vd_my_drawn;
1213 area.tr_begin.tp_col = x / vf->vf_width;
1214 area.tr_begin.tp_row = y / vf->vf_height;
1215 area.tr_end.tp_col =
1216 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1;
1217 area.tr_end.tp_row =
1218 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1;
1221 * No font loaded (ie. vt_vga operating in textmode).
1223 * FIXME: This fake area needs to be revisited once the
1224 * mouse cursor is supported in vt_vga's textmode.
1226 area.tr_begin.tp_col = x;
1227 area.tr_begin.tp_row = y;
1228 area.tr_end.tp_col = x + 2;
1229 area.tr_end.tp_row = y + 2;
1233 vtbuf_lock(&vw->vw_buf);
1234 if (vd->vd_driver->vd_invalidate_text)
1235 vd->vd_driver->vd_invalidate_text(vd, &area);
1236 vtbuf_dirty(&vw->vw_buf, &area);
1238 vtbuf_unlock(&vw->vw_buf);
1243 vt_set_border(struct vt_device *vd, const term_rect_t *area,
1244 const term_color_t c)
1246 vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect;
1248 if (drawrect == NULL)
1252 if (area->tr_begin.tp_row > 0)
1253 drawrect(vd, 0, 0, vd->vd_width - 1,
1254 area->tr_begin.tp_row - 1, 1, c);
1257 if (area->tr_begin.tp_col > 0)
1258 drawrect(vd, 0, area->tr_begin.tp_row,
1259 area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c);
1262 if (area->tr_end.tp_col < vd->vd_width)
1263 drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row,
1264 vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c);
1267 if (area->tr_end.tp_row < vd->vd_height)
1268 drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1,
1269 vd->vd_height - 1, 1, c);
1273 vt_flush(struct vt_device *vd)
1275 struct vt_window *vw;
1278 #ifndef SC_NO_CUTPASTE
1279 int cursor_was_shown, cursor_moved;
1282 vw = vd->vd_curwindow;
1286 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY)
1290 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL))
1293 vtbuf_lock(&vw->vw_buf);
1295 #ifndef SC_NO_CUTPASTE
1296 cursor_was_shown = vd->vd_mshown;
1297 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn ||
1298 vd->vd_my != vd->vd_my_drawn);
1300 /* Check if the cursor should be displayed or not. */
1301 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */
1302 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */
1303 !kdb_active && panicstr == NULL) { /* DDB inactive. */
1310 * If the cursor changed display state or moved, we must mark
1311 * the old position as dirty, so that it's erased.
1313 if (cursor_was_shown != vd->vd_mshown ||
1314 (vd->vd_mshown && cursor_moved))
1315 vt_mark_mouse_position_as_dirty(vd, true);
1318 * Save position of the mouse cursor. It's used by backends to
1319 * know where to draw the cursor and during the next refresh to
1320 * erase the previous position.
1322 vd->vd_mx_drawn = vd->vd_mx;
1323 vd->vd_my_drawn = vd->vd_my;
1326 * If the cursor is displayed and has moved since last refresh,
1327 * mark the new position as dirty.
1329 if (vd->vd_mshown && cursor_moved)
1330 vt_mark_mouse_position_as_dirty(vd, true);
1333 vtbuf_undirty(&vw->vw_buf, &tarea);
1335 /* Force a full redraw when the screen contents might be invalid. */
1336 if (vd->vd_flags & (VDF_INVALID | VDF_SUSPENDED)) {
1337 vd->vd_flags &= ~VDF_INVALID;
1339 vt_set_border(vd, &vw->vw_draw_area, TC_BLACK);
1340 vt_termrect(vd, vf, &tarea);
1341 if (vd->vd_driver->vd_invalidate_text)
1342 vd->vd_driver->vd_invalidate_text(vd, &tarea);
1343 if (vt_draw_logo_cpus)
1344 vtterm_draw_cpu_logos(vd);
1347 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) {
1348 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea);
1349 vtbuf_unlock(&vw->vw_buf);
1353 vtbuf_unlock(&vw->vw_buf);
1360 struct vt_device *vd;
1364 /* Update screen if required. */
1365 changed = vt_flush(vd);
1367 /* Schedule for next update. */
1369 vt_schedule_flush(vd, 0);
1371 vd->vd_timer_armed = 0;
1375 vtterm_pre_input(struct terminal *tm)
1377 struct vt_window *vw = tm->tm_softc;
1379 vtbuf_lock(&vw->vw_buf);
1383 vtterm_post_input(struct terminal *tm)
1385 struct vt_window *vw = tm->tm_softc;
1387 vtbuf_unlock(&vw->vw_buf);
1388 vt_resume_flush_timer(vw, 0);
1392 vtterm_done(struct terminal *tm)
1394 struct vt_window *vw = tm->tm_softc;
1395 struct vt_device *vd = vw->vw_device;
1397 if (kdb_active || panicstr != NULL) {
1398 /* Switch to the debugger. */
1399 if (vd->vd_curwindow != vw) {
1400 vd->vd_curwindow = vw;
1401 vd->vd_flags |= VDF_INVALID;
1402 if (vd->vd_driver->vd_postswitch)
1403 vd->vd_driver->vd_postswitch(vd);
1405 vd->vd_flags &= ~VDF_SPLASH;
1407 } else if (!(vd->vd_flags & VDF_ASYNC)) {
1414 vtterm_splash(struct vt_device *vd)
1416 vt_axis_t top, left;
1418 /* Display a nice boot splash. */
1419 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) {
1421 top = (vd->vd_height - vt_logo_height) / 2;
1422 left = (vd->vd_width - vt_logo_width) / 2;
1423 switch (vt_logo_depth) {
1425 /* XXX: Unhardcode colors! */
1426 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow,
1427 vt_logo_image, NULL, vt_logo_width, vt_logo_height,
1428 left, top, TC_WHITE, TC_BLACK);
1430 vd->vd_flags |= VDF_SPLASH;
1437 vtterm_cnprobe(struct terminal *tm, struct consdev *cp)
1439 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL;
1440 struct vt_window *vw = tm->tm_softc;
1441 struct vt_device *vd = vw->vw_device;
1446 if (!vty_enabled(VTY_VT))
1449 if (vd->vd_flags & VDF_INITIALIZED)
1450 /* Initialization already done. */
1453 SET_FOREACH(vtdlist, vt_drv_set) {
1455 if (vtd->vd_probe == NULL)
1457 if (vtd->vd_probe(vd) == CN_DEAD)
1459 if ((vtdbest == NULL) ||
1460 (vtd->vd_priority > vtdbest->vd_priority))
1463 if (vtdbest == NULL) {
1464 cp->cn_pri = CN_DEAD;
1465 vd->vd_flags |= VDF_DEAD;
1467 vd->vd_driver = vtdbest;
1468 cp->cn_pri = vd->vd_driver->vd_init(vd);
1471 /* Check if driver's vt_init return CN_DEAD. */
1472 if (cp->cn_pri == CN_DEAD) {
1473 vd->vd_flags |= VDF_DEAD;
1476 /* Initialize any early-boot keyboard drivers */
1477 kbd_configure(KB_CONF_PROBE_ONLY);
1479 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1);
1480 vd->vd_windows[VT_CONSWINDOW] = vw;
1481 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw));
1483 /* Attach default font if not in TEXTMODE. */
1484 if ((vd->vd_flags & VDF_TEXTMODE) == 0) {
1485 vw->vw_font = vtfont_ref(&vt_font_default);
1486 vt_compute_drawable_area(vw);
1490 * The original screen size was faked (_VTDEFW x _VTDEFH). Now
1491 * that we have the real viewable size, fix it in the static
1494 if (vd->vd_width != 0 && vd->vd_height != 0)
1495 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size);
1497 vtbuf_init_early(&vw->vw_buf);
1498 vt_winsize(vd, vw->vw_font, &wsz);
1499 c = (boothowto & RB_MUTE) == 0 ? TERMINAL_KERN_ATTR :
1501 attr.ta_format = TCHAR_FORMAT(c);
1502 attr.ta_fgcolor = TCHAR_FGCOLOR(c);
1503 attr.ta_bgcolor = TCHAR_BGCOLOR(c);
1504 terminal_set_winsize_blank(tm, &wsz, 1, &attr);
1506 if (vtdbest != NULL) {
1511 vd->vd_flags |= VDF_INITIALIZED;
1516 vtterm_cngetc(struct terminal *tm)
1518 struct vt_window *vw = tm->tm_softc;
1519 struct vt_device *vd = vw->vw_device;
1523 if (vw->vw_kbdsq && *vw->vw_kbdsq)
1524 return (*vw->vw_kbdsq++);
1526 /* Make sure the splash screen is not there. */
1527 if (vd->vd_flags & VDF_SPLASH) {
1529 vd->vd_flags &= ~VDF_SPLASH;
1530 /* Mark screen as invalid to force update */
1531 vd->vd_flags |= VDF_INVALID;
1535 /* Stripped down keyboard handler. */
1536 kbd = kbd_get_keyboard(vd->vd_keyboard);
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 kbd = kbd_get_keyboard(vd->vd_keyboard);
1617 if (vw->vw_grabbed++ > 0)
1621 * Make sure the keyboard is accessible even when the kbd device
1622 * driver is disabled.
1626 /* We shall always use the keyboard in the XLATE mode here. */
1627 vw->vw_prev_kbdmode = vw->vw_kbdmode;
1628 vw->vw_kbdmode = K_XLATE;
1629 vt_update_kbd_mode(vw, kbd);
1631 kbdd_poll(kbd, TRUE);
1635 vtterm_cnungrab(struct terminal *tm)
1637 struct vt_device *vd;
1638 struct vt_window *vw;
1644 kbd = kbd_get_keyboard(vd->vd_keyboard);
1648 if (--vw->vw_grabbed > 0)
1651 kbdd_poll(kbd, FALSE);
1653 vw->vw_kbdmode = vw->vw_prev_kbdmode;
1654 vt_update_kbd_mode(vw, kbd);
1659 vtterm_opened(struct terminal *tm, int opened)
1661 struct vt_window *vw = tm->tm_softc;
1662 struct vt_device *vd = vw->vw_device;
1665 vd->vd_flags &= ~VDF_SPLASH;
1667 vw->vw_flags |= VWF_OPENED;
1669 vw->vw_flags &= ~VWF_OPENED;
1670 /* TODO: finish ACQ/REL */
1676 vt_change_font(struct vt_window *vw, struct vt_font *vf)
1678 struct vt_device *vd = vw->vw_device;
1679 struct terminal *tm = vw->vw_terminal;
1686 * Changing fonts is a little tricky. We must prevent
1687 * simultaneous access to the device, so we must stop
1688 * the display timer and the terminal from accessing.
1689 * We need to switch fonts and grow our screen buffer.
1691 * XXX: Right now the code uses terminal_mute() to
1692 * prevent data from reaching the console driver while
1693 * resizing the screen buffer. This isn't elegant...
1697 if (vw->vw_flags & VWF_BUSY) {
1698 /* Another process is changing the font. */
1702 vw->vw_flags |= VWF_BUSY;
1705 vt_termsize(vd, vf, &size);
1706 vt_winsize(vd, vf, &wsz);
1708 /* Grow the screen buffer and terminal. */
1709 terminal_mute(tm, 1);
1710 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size);
1711 terminal_set_winsize_blank(tm, &wsz, 0, NULL);
1712 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor);
1713 terminal_mute(tm, 0);
1715 /* Actually apply the font to the current window. */
1717 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) {
1719 * In case vt_change_font called to update size we don't need
1720 * to update font link.
1722 vtfont_unref(vw->vw_font);
1723 vw->vw_font = vtfont_ref(vf);
1727 * Compute the drawable area and move the mouse cursor inside
1728 * it, in case the new area is smaller than the previous one.
1730 vt_compute_drawable_area(vw);
1731 vd->vd_mx = min(vd->vd_mx,
1732 vw->vw_draw_area.tr_end.tp_col -
1733 vw->vw_draw_area.tr_begin.tp_col - 1);
1734 vd->vd_my = min(vd->vd_my,
1735 vw->vw_draw_area.tr_end.tp_row -
1736 vw->vw_draw_area.tr_begin.tp_row - 1);
1738 /* Force a full redraw the next timer tick. */
1739 if (vd->vd_curwindow == vw) {
1740 vd->vd_flags |= VDF_INVALID;
1741 vt_resume_flush_timer(vw, 0);
1743 vw->vw_flags &= ~VWF_BUSY;
1749 vt_proc_alive(struct vt_window *vw)
1753 if (vw->vw_smode.mode != VT_PROCESS)
1757 if ((p = pfind(vw->vw_pid)) != NULL)
1759 if (vw->vw_proc == p)
1762 vw->vw_smode.mode = VT_AUTO;
1763 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid);
1770 signal_vt_rel(struct vt_window *vw)
1773 if (vw->vw_smode.mode != VT_PROCESS)
1775 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1780 vw->vw_flags |= VWF_SWWAIT_REL;
1781 PROC_LOCK(vw->vw_proc);
1782 kern_psignal(vw->vw_proc, vw->vw_smode.relsig);
1783 PROC_UNLOCK(vw->vw_proc);
1784 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid);
1789 signal_vt_acq(struct vt_window *vw)
1792 if (vw->vw_smode.mode != VT_PROCESS)
1794 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
1795 cnavailable(vw->vw_terminal->consdev, FALSE);
1796 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1801 vw->vw_flags |= VWF_SWWAIT_ACQ;
1802 PROC_LOCK(vw->vw_proc);
1803 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig);
1804 PROC_UNLOCK(vw->vw_proc);
1805 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid);
1810 finish_vt_rel(struct vt_window *vw, int release, int *s)
1813 if (vw->vw_flags & VWF_SWWAIT_REL) {
1814 vw->vw_flags &= ~VWF_SWWAIT_REL;
1816 callout_drain(&vw->vw_proc_dead_timer);
1817 (void)vt_late_window_switch(vw->vw_switch_to);
1825 finish_vt_acq(struct vt_window *vw)
1828 if (vw->vw_flags & VWF_SWWAIT_ACQ) {
1829 vw->vw_flags &= ~VWF_SWWAIT_ACQ;
1835 #ifndef SC_NO_CUTPASTE
1837 vt_mouse_terminput_button(struct vt_device *vd, int button)
1839 struct vt_window *vw;
1841 char mouseb[6] = "\x1B[M";
1844 vw = vd->vd_curwindow;
1847 /* Translate to char position. */
1848 x = vd->vd_mx / vf->vf_width;
1849 y = vd->vd_my / vf->vf_height;
1850 /* Avoid overflow. */
1851 x = MIN(x, 255 - '!');
1852 y = MIN(y, 255 - '!');
1854 mouseb[3] = ' ' + button;
1855 mouseb[4] = '!' + x;
1856 mouseb[5] = '!' + y;
1858 for (i = 0; i < sizeof(mouseb); i++)
1859 terminal_input_char(vw->vw_terminal, mouseb[i]);
1863 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event,
1868 case MOUSE_BUTTON_EVENT:
1870 /* Mouse button pressed. */
1871 if (event & MOUSE_BUTTON1DOWN)
1872 vt_mouse_terminput_button(vd, 0);
1873 if (event & MOUSE_BUTTON2DOWN)
1874 vt_mouse_terminput_button(vd, 1);
1875 if (event & MOUSE_BUTTON3DOWN)
1876 vt_mouse_terminput_button(vd, 2);
1878 /* Mouse button released. */
1879 vt_mouse_terminput_button(vd, 3);
1883 case MOUSE_MOTION_EVENT:
1884 if (mouse->u.data.z < 0) {
1886 sc_mouse_input_button(vd, 64);
1887 } else if (mouse->u.data.z > 0) {
1889 sc_mouse_input_button(vd, 65);
1902 len = VD_PASTEBUFLEN(main_vd);
1903 buf = VD_PASTEBUF(main_vd);
1904 len /= sizeof(term_char_t);
1905 for (i = 0; i < len; i++) {
1908 terminal_input_char(main_vd->vd_curwindow->vw_terminal,
1914 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel)
1916 struct vt_device *vd;
1917 struct vt_window *vw;
1923 vw = vd->vd_curwindow;
1927 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS))
1929 * Either the mouse is disabled, or the window is in
1930 * "graphics mode". The graphics mode is usually set by
1931 * an X server, using the KDSETMODE ioctl.
1935 if (vf == NULL) /* Text mode. */
1939 * TODO: add flag about pointer position changed, to not redraw chars
1940 * under mouse pointer when nothing changed.
1943 if (vw->vw_mouse_level > 0)
1944 vt_mouse_terminput(vd, type, x, y, event, cnt);
1948 case MOUSE_MOTION_EVENT:
1953 vt_termsize(vd, vf, &size);
1958 x = MIN(x, (size.tp_col * vf->vf_width) - 1);
1959 y = MIN(y, (size.tp_row * vf->vf_height) - 1);
1963 if (vd->vd_mstate & MOUSE_BUTTON1DOWN)
1964 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE,
1965 vd->vd_mx / vf->vf_width,
1966 vd->vd_my / vf->vf_height);
1968 vt_resume_flush_timer(vw, 0);
1970 case MOUSE_BUTTON_EVENT:
1978 case MOUSE_BUTTON1DOWN:
1981 mark = VTB_MARK_END;
1983 case 1: /* single click: start cut operation */
1984 mark = VTB_MARK_START;
1986 case 2: /* double click: cut a word */
1987 mark = VTB_MARK_WORD;
1989 case 3: /* triple click: cut a line */
1990 mark = VTB_MARK_ROW;
1994 case VT_MOUSE_PASTEBUTTON:
2003 case VT_MOUSE_EXTENDBUTTON:
2006 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN))
2007 mark = VTB_MARK_EXTEND;
2012 mark = VTB_MARK_EXTEND;
2020 /* Save buttons state. */
2022 vd->vd_mstate |= event;
2024 vd->vd_mstate &= ~event;
2026 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width,
2027 vd->vd_my / vf->vf_height) == 1) {
2029 * We have something marked to copy, so update pointer to
2030 * window with selection.
2032 vt_resume_flush_timer(vw, 0);
2038 case VTB_MARK_EXTEND:
2041 /* Other types of mark do not require to copy data. */
2045 /* Get current selection size in bytes. */
2046 len = vtbuf_get_marked_len(&vw->vw_buf);
2050 /* Reallocate buffer only if old one is too small. */
2051 if (len > VD_PASTEBUFSZ(vd)) {
2052 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT,
2054 /* Update buffer size. */
2055 VD_PASTEBUFSZ(vd) = len;
2057 /* Request copy/paste buffer data, no more than `len' */
2058 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd),
2061 VD_PASTEBUFLEN(vd) = len;
2063 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */
2068 vt_mouse_state(int show)
2070 struct vt_device *vd;
2071 struct vt_window *vw;
2074 vw = vd->vd_curwindow;
2078 vw->vw_flags |= VWF_MOUSE_HIDE;
2081 vw->vw_flags &= ~VWF_MOUSE_HIDE;
2085 /* Mark mouse position as dirty. */
2086 vt_mark_mouse_position_as_dirty(vd, false);
2087 vt_resume_flush_timer(vw, 0);
2092 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr,
2093 int nprot, vm_memattr_t *memattr)
2095 struct vt_window *vw = tm->tm_softc;
2096 struct vt_device *vd = vw->vw_device;
2098 if (vd->vd_driver->vd_fb_mmap)
2099 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot,
2106 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data,
2109 struct vt_window *vw = tm->tm_softc;
2110 struct vt_device *vd = vw->vw_device;
2113 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
2114 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
2125 cmd = VT_WAITACTIVE;
2152 cmd = CONS_SETWINORG;
2160 ival = IOCPARM_IVAL(data);
2161 data = (caddr_t)&ival;
2166 case KDSETRAD: /* set keyboard repeat & delay rates (old) */
2167 if (*(int *)data & ~0x7f)
2172 case GIO_DEADKEYMAP:
2173 case PIO_DEADKEYMAP:
2178 case KDGETREPEAT: /* get keyboard repeat & delay rates */
2179 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
2180 case KBADDKBD: /* add/remove keyboard to/from mux */
2185 kbd = kbd_get_keyboard(vd->vd_keyboard);
2187 error = kbdd_ioctl(kbd, cmd, data);
2189 if (error == ENOIOCTL) {
2190 if (cmd == KDGKBTYPE) {
2191 /* always return something? XXX */
2199 case KDGKBSTATE: { /* get keyboard state (locks) */
2202 if (vw == vd->vd_curwindow) {
2204 kbd = kbd_get_keyboard(vd->vd_keyboard);
2206 error = vt_save_kbd_state(vw, kbd);
2213 *(int *)data = vw->vw_kbdstate & LOCK_MASK;
2217 case KDSKBSTATE: { /* set keyboard state (locks) */
2220 state = *(int *)data;
2221 if (state & ~LOCK_MASK)
2224 vw->vw_kbdstate &= ~LOCK_MASK;
2225 vw->vw_kbdstate |= state;
2228 if (vw == vd->vd_curwindow) {
2230 kbd = kbd_get_keyboard(vd->vd_keyboard);
2232 error = vt_update_kbd_state(vw, kbd);
2238 case KDGETLED: { /* get keyboard LED status */
2241 if (vw == vd->vd_curwindow) {
2243 kbd = kbd_get_keyboard(vd->vd_keyboard);
2245 error = vt_save_kbd_leds(vw, kbd);
2252 *(int *)data = vw->vw_kbdstate & LED_MASK;
2256 case KDSETLED: { /* set keyboard LED status */
2259 leds = *(int *)data;
2260 if (leds & ~LED_MASK)
2263 vw->vw_kbdstate &= ~LED_MASK;
2264 vw->vw_kbdstate |= leds;
2267 if (vw == vd->vd_curwindow) {
2269 kbd = kbd_get_keyboard(vd->vd_keyboard);
2271 error = vt_update_kbd_leds(vw, kbd);
2278 *(int *)data = (vw->vw_flags & VWF_GRAPHICS) ?
2279 KD_GRAPHICS : KD_TEXT;
2284 if (vw == vd->vd_curwindow) {
2286 kbd = kbd_get_keyboard(vd->vd_keyboard);
2288 error = vt_save_kbd_mode(vw, kbd);
2295 *(int *)data = vw->vw_kbdmode;
2302 mode = *(int *)data;
2307 vw->vw_kbdmode = mode;
2310 if (vw == vd->vd_curwindow) {
2312 kbd = kbd_get_keyboard(vd->vd_keyboard);
2314 error = vt_update_kbd_mode(vw, kbd);
2324 case FBIO_GETWINORG: /* get frame buffer window origin */
2325 case FBIO_GETDISPSTART: /* get display start address */
2326 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
2327 case FBIO_BLANK: /* blank display */
2328 if (vd->vd_driver->vd_fb_ioctl)
2329 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td));
2331 case CONS_BLANKTIME:
2335 if (*(int *)data < 0)
2337 if (*(int *)data != vd->vd_curwindow->vw_buf.vb_history_size)
2338 vtbuf_sethistory_size(&vd->vd_curwindow->vw_buf,
2343 *(int *)data = M_CG640x480;
2345 case CONS_BELLTYPE: /* set bell type sound */
2346 if ((*(int *)data) & CONS_QUIET_BELL)
2347 vd->vd_flags |= VDF_QUIET_BELL;
2349 vd->vd_flags &= ~VDF_QUIET_BELL;
2351 case CONS_GETINFO: {
2352 vid_info_t *vi = (vid_info_t *)data;
2353 if (vi->size != sizeof(struct vid_info))
2356 if (vw == vd->vd_curwindow) {
2358 kbd = kbd_get_keyboard(vd->vd_keyboard);
2360 vt_save_kbd_state(vw, kbd);
2364 vi->m_num = vd->vd_curwindow->vw_number + 1;
2365 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK;
2366 /* XXX: other fields! */
2370 *(int *)data = 0x200;
2375 case CONS_MOUSECTL: {
2376 mouse_info_t *mouse = (mouse_info_t*)data;
2379 * All the commands except MOUSE_SHOW nd MOUSE_HIDE
2380 * should not be applied to individual TTYs, but only to
2383 switch (mouse->operation) {
2385 if (vd->vd_flags & VDF_MOUSECURSOR) {
2386 vd->vd_flags &= ~VDF_MOUSECURSOR;
2387 #ifndef SC_NO_CUTPASTE
2388 vt_mouse_state(VT_MOUSE_HIDE);
2393 if (!(vd->vd_flags & VDF_MOUSECURSOR)) {
2394 vd->vd_flags |= VDF_MOUSECURSOR;
2395 vd->vd_mx = vd->vd_width / 2;
2396 vd->vd_my = vd->vd_height / 2;
2397 #ifndef SC_NO_CUTPASTE
2398 vt_mouse_state(VT_MOUSE_SHOW);
2409 if (vd->vd_flags & VDF_TEXTMODE)
2412 error = vtfont_load((void *)data, &vf);
2416 error = vt_change_font(vw, vf);
2420 case PIO_VFONT_DEFAULT: {
2421 /* Reset to default font. */
2422 error = vt_change_font(vw, &vt_font_default);
2426 scrmap_t *sm = (scrmap_t *)data;
2428 /* We don't have screen maps, so return a handcrafted one. */
2429 for (i = 0; i < 256; i++)
2435 * FIXME: This implementation is incomplete compared to
2438 switch (*(int *)data) {
2442 vw->vw_flags &= ~VWF_GRAPHICS;
2445 vw->vw_flags |= VWF_GRAPHICS;
2449 case KDENABIO: /* allow io operations */
2450 error = priv_check(td, PRIV_IO);
2453 error = securelevel_gt(td->td_ucred, 0);
2456 #if defined(__i386__)
2457 td->td_frame->tf_eflags |= PSL_IOPL;
2458 #elif defined(__amd64__)
2459 td->td_frame->tf_rflags |= PSL_IOPL;
2462 case KDDISABIO: /* disallow io operations (default) */
2463 #if defined(__i386__)
2464 td->td_frame->tf_eflags &= ~PSL_IOPL;
2465 #elif defined(__amd64__)
2466 td->td_frame->tf_rflags &= ~PSL_IOPL;
2469 case KDMKTONE: /* sound the bell */
2470 vtterm_beep(tm, *(u_int *)data);
2472 case KIOCSOUND: /* make tone (*data) hz */
2475 case CONS_SETKBD: /* set the new keyboard */
2478 if (vd->vd_keyboard != *(int *)data) {
2479 kbd = kbd_get_keyboard(*(int *)data);
2484 i = kbd_allocate(kbd->kb_name, kbd->kb_unit,
2485 (void *)vd, vt_kbdevent, vd);
2487 if (vd->vd_keyboard != -1) {
2488 kbd = kbd_get_keyboard(vd->vd_keyboard);
2489 vt_save_kbd_state(vd->vd_curwindow, kbd);
2490 kbd_release(kbd, (void *)vd);
2492 kbd = kbd_get_keyboard(i);
2493 vd->vd_keyboard = i;
2495 vt_update_kbd_mode(vd->vd_curwindow, kbd);
2496 vt_update_kbd_state(vd->vd_curwindow, kbd);
2498 error = EPERM; /* XXX */
2503 case CONS_RELKBD: /* release the current keyboard */
2506 if (vd->vd_keyboard != -1) {
2507 kbd = kbd_get_keyboard(vd->vd_keyboard);
2512 vt_save_kbd_state(vd->vd_curwindow, kbd);
2513 error = kbd_release(kbd, (void *)vd);
2515 vd->vd_keyboard = -1;
2522 win = *(int *)data - 1;
2523 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME,
2525 if ((win >= VT_MAXWINDOWS) || (win < 0))
2527 return (vt_proc_window_switch(vd->vd_windows[win]));
2530 *(int *)data = vd->vd_curwindow->vw_number + 1;
2533 *(int *)data = vw->vw_number + 1;
2536 /* TODO: Check current state, switching can be in progress. */
2537 if ((*(int *)data) == 0x01)
2538 vw->vw_flags |= VWF_VTYLOCK;
2539 else if ((*(int *)data) == 0x02)
2540 vw->vw_flags &= ~VWF_VTYLOCK;
2546 for (i = 0; i < VT_MAXWINDOWS; i++) {
2547 vw = vd->vd_windows[i];
2550 if (!(vw->vw_flags & VWF_OPENED)) {
2551 *(int *)data = vw->vw_number + 1;
2558 case VT_WAITACTIVE: {
2563 idx = *(unsigned int *)data;
2564 if (idx > VT_MAXWINDOWS)
2567 vw = vd->vd_windows[idx - 1];
2570 while (vd->vd_curwindow != vw && error == 0)
2571 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
2575 case VT_SETMODE: { /* set screen switcher mode */
2576 struct vt_mode *mode;
2579 mode = (struct vt_mode *)data;
2580 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw));
2581 if (vw->vw_smode.mode == VT_PROCESS) {
2582 p1 = pfind(vw->vw_pid);
2583 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) {
2586 DPRINTF(5, "error EPERM\n");
2592 if (mode->mode == VT_AUTO) {
2593 vw->vw_smode.mode = VT_AUTO;
2596 DPRINTF(5, "VT_AUTO, ");
2597 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
2598 cnavailable(vw->vw_terminal->consdev, TRUE);
2599 /* were we in the middle of the vty switching process? */
2600 if (finish_vt_rel(vw, TRUE, &s) == 0)
2601 DPRINTF(5, "reset WAIT_REL, ");
2602 if (finish_vt_acq(vw) == 0)
2603 DPRINTF(5, "reset WAIT_ACQ, ");
2605 } else if (mode->mode == VT_PROCESS) {
2606 if (!ISSIGVALID(mode->relsig) ||
2607 !ISSIGVALID(mode->acqsig) ||
2608 !ISSIGVALID(mode->frsig)) {
2609 DPRINTF(5, "error EINVAL\n");
2612 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid);
2613 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode));
2614 vw->vw_proc = td->td_proc;
2615 vw->vw_pid = vw->vw_proc->p_pid;
2616 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
2617 cnavailable(vw->vw_terminal->consdev, FALSE);
2619 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n",
2626 case VT_GETMODE: /* get screen switcher mode */
2627 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode));
2630 case VT_RELDISP: /* screen switcher ioctl */
2632 * This must be the current vty which is in the VT_PROCESS
2635 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode !=
2639 /* ...and this process is controlling it. */
2640 if (vw->vw_proc != td->td_proc) {
2644 switch(*(int *)data) {
2645 case VT_FALSE: /* user refuses to release screen, abort */
2646 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0)
2647 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n",
2648 SC_DRIVER_NAME, VT_UNIT(vw));
2650 case VT_TRUE: /* user has released screen, go on */
2651 /* finish_vt_rel(..., TRUE, ...) should not be locked */
2652 if (vw->vw_flags & VWF_SWWAIT_REL) {
2653 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0)
2654 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n",
2655 SC_DRIVER_NAME, VT_UNIT(vw));
2660 case VT_ACKACQ: /* acquire acknowledged, switch completed */
2661 if ((error = finish_vt_acq(vw)) == 0)
2662 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n",
2663 SC_DRIVER_NAME, VT_UNIT(vw));
2674 static struct vt_window *
2675 vt_allocate_window(struct vt_device *vd, unsigned int window)
2677 struct vt_window *vw;
2678 struct terminal *tm;
2682 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO);
2684 vw->vw_number = window;
2685 vw->vw_kbdmode = K_XLATE;
2687 if ((vd->vd_flags & VDF_TEXTMODE) == 0) {
2688 vw->vw_font = vtfont_ref(&vt_font_default);
2689 vt_compute_drawable_area(vw);
2692 vt_termsize(vd, vw->vw_font, &size);
2693 vt_winsize(vd, vw->vw_font, &wsz);
2694 vtbuf_init(&vw->vw_buf, &size);
2696 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw);
2697 terminal_set_winsize(tm, &wsz);
2698 vd->vd_windows[window] = vw;
2699 callout_init(&vw->vw_proc_dead_timer, 0);
2705 vt_upgrade(struct vt_device *vd)
2707 struct vt_window *vw;
2709 int register_handlers;
2711 if (!vty_enabled(VTY_VT))
2713 if (main_vd->vd_driver == NULL)
2716 for (i = 0; i < VT_MAXWINDOWS; i++) {
2717 vw = vd->vd_windows[i];
2720 vw = vt_allocate_window(vd, i);
2722 if (!(vw->vw_flags & VWF_READY)) {
2723 callout_init(&vw->vw_proc_dead_timer, 0);
2724 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw));
2725 vw->vw_flags |= VWF_READY;
2726 if (vw->vw_flags & VWF_CONSOLE) {
2727 /* For existing console window. */
2728 EVENTHANDLER_REGISTER(shutdown_pre_sync,
2729 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT);
2735 if (vd->vd_curwindow == NULL)
2736 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW];
2738 register_handlers = 0;
2739 if (!(vd->vd_flags & VDF_ASYNC)) {
2740 /* Attach keyboard. */
2741 vt_allocate_keyboard(vd);
2743 /* Init 25 Hz timer. */
2744 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0);
2747 * Start timer when everything ready.
2748 * Note that the operations here are purposefully ordered.
2749 * We need to ensure vd_timer_armed is non-zero before we set
2750 * the VDF_ASYNC flag. That prevents this function from
2751 * racing with vt_resume_flush_timer() to update the
2752 * callout structure.
2754 atomic_add_acq_int(&vd->vd_timer_armed, 1);
2755 vd->vd_flags |= VDF_ASYNC;
2756 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd);
2757 register_handlers = 1;
2762 /* Refill settings with new sizes. */
2765 if (register_handlers) {
2766 /* Register suspend/resume handlers. */
2767 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler,
2768 vd, EVENTHANDLER_PRI_ANY);
2769 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd,
2770 EVENTHANDLER_PRI_ANY);
2775 vt_resize(struct vt_device *vd)
2777 struct vt_window *vw;
2780 for (i = 0; i < VT_MAXWINDOWS; i++) {
2781 vw = vd->vd_windows[i];
2783 /* Assign default font to window, if not textmode. */
2784 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL)
2785 vw->vw_font = vtfont_ref(&vt_font_default);
2788 /* Resize terminal windows */
2789 while (vt_change_font(vw, vw->vw_font) == EBUSY) {
2790 DPRINTF(100, "%s: vt_change_font() is busy, "
2791 "window %d\n", __func__, i);
2797 vt_replace_backend(const struct vt_driver *drv, void *softc)
2799 struct vt_device *vd;
2803 if (vd->vd_flags & VDF_ASYNC) {
2804 /* Stop vt_flush periodic task. */
2806 vt_suspend_flush_timer(vd);
2809 * Mute current terminal until we done. vt_change_font (called
2810 * from vt_resize) will unmute it.
2812 terminal_mute(vd->vd_curwindow->vw_terminal, 1);
2816 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will
2820 vd->vd_flags &= ~VDF_TEXTMODE;
2824 * We want to upgrade from the current driver to the
2828 vd->vd_prev_driver = vd->vd_driver;
2829 vd->vd_prev_softc = vd->vd_softc;
2830 vd->vd_driver = drv;
2831 vd->vd_softc = softc;
2833 vd->vd_driver->vd_init(vd);
2834 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) {
2836 * No driver given: we want to downgrade to the previous
2839 const struct vt_driver *old_drv;
2842 old_drv = vd->vd_driver;
2843 old_softc = vd->vd_softc;
2845 vd->vd_driver = vd->vd_prev_driver;
2846 vd->vd_softc = vd->vd_prev_softc;
2847 vd->vd_prev_driver = NULL;
2848 vd->vd_prev_softc = NULL;
2850 vd->vd_flags |= VDF_DOWNGRADE;
2852 vd->vd_driver->vd_init(vd);
2854 if (old_drv->vd_fini)
2855 old_drv->vd_fini(vd, old_softc);
2857 vd->vd_flags &= ~VDF_DOWNGRADE;
2862 /* Update windows sizes and initialize last items. */
2866 if (vd->vd_flags & VDF_SPLASH)
2870 if (vd->vd_flags & VDF_ASYNC) {
2871 /* Allow to put chars now. */
2872 terminal_mute(vd->vd_curwindow->vw_terminal, 0);
2873 /* Rerun timer for screen updates. */
2874 vt_resume_flush_timer(vd->vd_curwindow, 0);
2878 * Register as console. If it already registered, cnadd() will ignore
2881 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal);
2885 vt_suspend_handler(void *priv)
2887 struct vt_device *vd;
2890 vd->vd_flags |= VDF_SUSPENDED;
2891 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL)
2892 vd->vd_driver->vd_suspend(vd);
2896 vt_resume_handler(void *priv)
2898 struct vt_device *vd;
2901 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL)
2902 vd->vd_driver->vd_resume(vd);
2903 vd->vd_flags &= ~VDF_SUSPENDED;
2907 vt_allocate(const struct vt_driver *drv, void *softc)
2910 if (!vty_enabled(VTY_VT))
2913 if (main_vd->vd_driver == NULL) {
2914 main_vd->vd_driver = drv;
2915 printf("VT: initialize with new VT driver \"%s\".\n",
2919 * Check if have rights to replace current driver. For example:
2920 * it is bad idea to replace KMS driver with generic VGA one.
2922 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) {
2923 printf("VT: Driver priority %d too low. Current %d\n ",
2924 drv->vd_priority, main_vd->vd_driver->vd_priority);
2927 printf("VT: Replacing driver \"%s\" with new \"%s\".\n",
2928 main_vd->vd_driver->vd_name, drv->vd_name);
2931 vt_replace_backend(drv, softc);
2935 vt_deallocate(const struct vt_driver *drv, void *softc)
2938 if (!vty_enabled(VTY_VT))
2941 if (main_vd->vd_prev_driver == NULL ||
2942 main_vd->vd_driver != drv ||
2943 main_vd->vd_softc != softc)
2946 printf("VT: Switching back from \"%s\" to \"%s\".\n",
2947 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name);
2949 vt_replace_backend(NULL, NULL);
2953 vt_suspend(struct vt_device *vd)
2957 if (vt_suspendswitch == 0)
2959 /* Save current window. */
2960 vd->vd_savedwindow = vd->vd_curwindow;
2961 /* Ask holding process to free window and switch to console window */
2962 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]);
2964 /* Wait for the window switch to complete. */
2967 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0)
2968 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
2973 vt_resume(struct vt_device *vd)
2976 if (vt_suspendswitch == 0)
2978 /* Switch back to saved window, if any */
2979 vt_proc_window_switch(vd->vd_savedwindow);
2980 vd->vd_savedwindow = NULL;