2 * Copyright (c) 2009, 2013 The FreeBSD Foundation
5 * This software was developed by Ed Schouten under sponsorship from the
8 * Portions of this software were developed by Oleksandr Rybalko
9 * under sponsorship from the FreeBSD Foundation.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include "opt_compat.h"
38 #include <sys/param.h>
39 #include <sys/consio.h>
40 #include <sys/eventhandler.h>
44 #include <sys/kernel.h>
46 #include <sys/malloc.h>
47 #include <sys/mutex.h>
48 #include <sys/power.h>
51 #include <sys/random.h>
52 #include <sys/reboot.h>
53 #include <sys/systm.h>
54 #include <sys/terminal.h>
56 #include <dev/kbd/kbdreg.h>
57 #include <dev/vt/vt.h>
59 #if defined(__i386__) || defined(__amd64__)
60 #include <machine/psl.h>
61 #include <machine/frame.h>
64 static tc_bell_t vtterm_bell;
65 static tc_cursor_t vtterm_cursor;
66 static tc_putchar_t vtterm_putchar;
67 static tc_fill_t vtterm_fill;
68 static tc_copy_t vtterm_copy;
69 static tc_param_t vtterm_param;
70 static tc_done_t vtterm_done;
72 static tc_cnprobe_t vtterm_cnprobe;
73 static tc_cngetc_t vtterm_cngetc;
75 static tc_cngrab_t vtterm_cngrab;
76 static tc_cnungrab_t vtterm_cnungrab;
78 static tc_opened_t vtterm_opened;
79 static tc_ioctl_t vtterm_ioctl;
80 static tc_mmap_t vtterm_mmap;
82 const struct terminal_class vt_termclass = {
83 .tc_bell = vtterm_bell,
84 .tc_cursor = vtterm_cursor,
85 .tc_putchar = vtterm_putchar,
86 .tc_fill = vtterm_fill,
87 .tc_copy = vtterm_copy,
88 .tc_param = vtterm_param,
89 .tc_done = vtterm_done,
91 .tc_cnprobe = vtterm_cnprobe,
92 .tc_cngetc = vtterm_cngetc,
94 .tc_cngrab = vtterm_cngrab,
95 .tc_cnungrab = vtterm_cnungrab,
97 .tc_opened = vtterm_opened,
98 .tc_ioctl = vtterm_ioctl,
99 .tc_mmap = vtterm_mmap,
103 * Use a constant timer of 25 Hz to redraw the screen.
105 * XXX: In theory we should only fire up the timer when there is really
106 * activity. Unfortunately we cannot always start timers. We really
107 * don't want to process kernel messages synchronously, because it
108 * really slows down the system.
110 #define VT_TIMERFREQ 25
112 /* Bell pitch/duration. */
113 #define VT_BELLDURATION ((5 * hz + 99) / 100)
114 #define VT_BELLPITCH 800
116 #define VT_UNIT(vw) ((vw)->vw_device->vd_unit * VT_MAXWINDOWS + \
119 static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD, 0, "vt(9) parameters");
120 static VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)");
121 static VT_SYSCTL_INT(enable_bell, 1, "Enable bell");
122 static VT_SYSCTL_INT(debug, 0, "vt(9) debug level");
123 static VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode");
124 static VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend");
126 /* Allow to disable some keyboard combinations. */
127 static VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. "
128 "See kbdmap(5) to configure.");
129 static VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. "
130 "See kbdmap(5) to configure.");
131 static VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. "
132 "See kbdmap(5) to configure (typically Ctrl-Alt-Delete).");
133 static VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. "
134 "See kbdmap(5) to configure (typically Ctrl-Alt-Esc).");
135 static VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. "
136 "See kbdmap(5) to configure.");
138 /* Used internally, not a tunable. */
139 int vt_draw_logo_cpus;
140 VT_SYSCTL_INT(splash_cpu, 0, "Show logo CPUs during boot");
141 VT_SYSCTL_INT(splash_ncpu, 0, "Override number of logos displayed "
142 "(0 = do not override)");
143 VT_SYSCTL_INT(splash_cpu_style, 2, "Draw logo style "
144 "(0 = Alternate beastie, 1 = Beastie, 2 = Orb)");
145 VT_SYSCTL_INT(splash_cpu_duration, 10, "Hide logos after (seconds)");
147 static unsigned int vt_unit = 0;
148 static MALLOC_DEFINE(M_VT, "vt", "vt device");
149 struct vt_device *main_vd = &vt_consdev;
152 extern unsigned int vt_logo_width;
153 extern unsigned int vt_logo_height;
154 extern unsigned int vt_logo_depth;
155 extern unsigned char vt_logo_image[];
157 #define vtterm_draw_cpu_logos(...) do {} while (0)
158 const unsigned int vt_logo_sprite_height;
162 extern struct vt_font vt_font_default;
163 #ifndef SC_NO_CUTPASTE
164 extern struct vt_mouse_cursor vt_default_mouse_pointer;
167 static int signal_vt_rel(struct vt_window *);
168 static int signal_vt_acq(struct vt_window *);
169 static int finish_vt_rel(struct vt_window *, int, int *);
170 static int finish_vt_acq(struct vt_window *);
171 static int vt_window_switch(struct vt_window *);
172 static int vt_late_window_switch(struct vt_window *);
173 static int vt_proc_alive(struct vt_window *);
174 static void vt_resize(struct vt_device *);
175 static void vt_update_static(void *);
176 #ifndef SC_NO_CUTPASTE
177 static void vt_mouse_paste(void);
179 static void vt_suspend_handler(void *priv);
180 static void vt_resume_handler(void *priv);
182 SET_DECLARE(vt_drv_set, struct vt_driver);
184 #define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_MAX_HEIGHT))
185 #define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_MAX_WIDTH))
187 struct terminal vt_consterm;
188 static struct vt_window vt_conswindow;
189 struct vt_device vt_consdev = {
192 .vd_prev_driver = NULL,
193 .vd_prev_softc = NULL,
194 .vd_flags = VDF_INVALID,
195 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, },
196 .vd_curwindow = &vt_conswindow,
199 #ifndef SC_NO_CUTPASTE
205 .vd_mcursor = &vt_default_mouse_pointer,
206 .vd_mcursor_fg = TC_WHITE,
207 .vd_mcursor_bg = TC_BLACK,
210 static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)];
211 static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE];
212 static struct vt_window vt_conswindow = {
213 .vw_number = VT_CONSWINDOW,
214 .vw_flags = VWF_CONSOLE,
216 .vb_buffer = &vt_constextbuf[0],
217 .vb_rows = &vt_constextbufrows[0],
218 .vb_history_size = VBF_DEFAULT_HISTORY_SIZE,
221 .vb_flags = VBF_STATIC,
222 .vb_mark_start = {.tp_row = 0, .tp_col = 0,},
223 .vb_mark_end = {.tp_row = 0, .tp_col = 0,},
229 .vw_device = &vt_consdev,
230 .vw_terminal = &vt_consterm,
231 .vw_kbdmode = K_XLATE,
234 struct terminal vt_consterm = {
235 .tm_class = &vt_termclass,
236 .tm_softc = &vt_conswindow,
239 static struct consdev vt_consterm_consdev = {
240 .cn_ops = &termcn_cnops,
241 .cn_arg = &vt_consterm,
245 /* Add to set of consoles. */
246 DATA_SET(cons_set, vt_consterm_consdev);
249 * Right after kmem is done to allow early drivers to use locking and allocate
252 SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static,
254 /* Delay until all devices attached, to not waste time. */
255 SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade,
258 /* Initialize locks/mem depended members. */
260 vt_update_static(void *dummy)
263 if (!vty_enabled(VTY_VT))
265 if (main_vd->vd_driver != NULL)
266 printf("VT(%s): %s %ux%u\n", main_vd->vd_driver->vd_name,
267 (main_vd->vd_flags & VDF_TEXTMODE) ? "text" : "resolution",
268 main_vd->vd_width, main_vd->vd_height);
270 printf("VT: init without driver.\n");
272 mtx_init(&main_vd->vd_lock, "vtdev", NULL, MTX_DEF);
273 cv_init(&main_vd->vd_winswitch, "vtwswt");
277 vt_schedule_flush(struct vt_device *vd, int ms)
281 /* Default to initial value. */
282 ms = 1000 / VT_TIMERFREQ;
284 callout_schedule(&vd->vd_timer, hz / (1000 / ms));
288 vt_resume_flush_timer(struct vt_device *vd, int ms)
291 if (!(vd->vd_flags & VDF_ASYNC) ||
292 !atomic_cmpset_int(&vd->vd_timer_armed, 0, 1))
295 vt_schedule_flush(vd, ms);
299 vt_suspend_flush_timer(struct vt_device *vd)
302 * As long as this function is called locked, callout_stop()
303 * has the same effect like callout_drain() with regard to
304 * preventing the callback function from executing.
306 VT_LOCK_ASSERT(vd, MA_OWNED);
308 if (!(vd->vd_flags & VDF_ASYNC) ||
309 !atomic_cmpset_int(&vd->vd_timer_armed, 1, 0))
312 callout_stop(&vd->vd_timer);
316 vt_switch_timer(void *arg)
319 vt_late_window_switch((struct vt_window *)arg);
323 vt_save_kbd_mode(struct vt_window *vw, keyboard_t *kbd)
328 ret = kbdd_ioctl(kbd, KDGKBMODE, (caddr_t)&mode);
334 vw->vw_kbdmode = mode;
340 vt_update_kbd_mode(struct vt_window *vw, keyboard_t *kbd)
344 ret = kbdd_ioctl(kbd, KDSKBMODE, (caddr_t)&vw->vw_kbdmode);
352 vt_save_kbd_state(struct vt_window *vw, keyboard_t *kbd)
357 ret = kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state);
363 vw->vw_kbdstate &= ~LOCK_MASK;
364 vw->vw_kbdstate |= state & LOCK_MASK;
370 vt_update_kbd_state(struct vt_window *vw, keyboard_t *kbd)
374 state = vw->vw_kbdstate & LOCK_MASK;
375 ret = kbdd_ioctl(kbd, KDSKBSTATE, (caddr_t)&state);
383 vt_save_kbd_leds(struct vt_window *vw, keyboard_t *kbd)
388 ret = kbdd_ioctl(kbd, KDGETLED, (caddr_t)&leds);
394 vw->vw_kbdstate &= ~LED_MASK;
395 vw->vw_kbdstate |= leds & LED_MASK;
401 vt_update_kbd_leds(struct vt_window *vw, keyboard_t *kbd)
405 leds = vw->vw_kbdstate & LED_MASK;
406 ret = kbdd_ioctl(kbd, KDSETLED, (caddr_t)&leds);
414 vt_window_preswitch(struct vt_window *vw, struct vt_window *curvw)
417 DPRINTF(40, "%s\n", __func__);
418 curvw->vw_switch_to = vw;
419 /* Set timer to allow switch in case when process hang. */
420 callout_reset(&vw->vw_proc_dead_timer, hz * vt_deadtimer,
421 vt_switch_timer, (void *)vw);
422 /* Notify process about vt switch attempt. */
423 DPRINTF(30, "%s: Notify process.\n", __func__);
424 signal_vt_rel(curvw);
430 vt_window_postswitch(struct vt_window *vw)
437 /* vt_late_window_switch will done VT switching for regular case. */
439 vt_late_window_switch(struct vt_window *vw)
443 callout_stop(&vw->vw_proc_dead_timer);
445 ret = vt_window_switch(vw);
449 /* Notify owner process about terminal availability. */
450 if (vw->vw_smode.mode == VT_PROCESS) {
451 ret = vt_window_postswitch(vw);
458 vt_proc_window_switch(struct vt_window *vw)
460 struct vt_window *curvw;
461 struct vt_device *vd;
464 /* Prevent switching to NULL */
466 DPRINTF(30, "%s: Cannot switch: vw is NULL.", __func__);
470 curvw = vd->vd_curwindow;
472 /* Check if virtual terminal is locked */
473 if (curvw->vw_flags & VWF_VTYLOCK)
476 /* Check if switch already in progress */
477 if (curvw->vw_flags & VWF_SWWAIT_REL) {
478 /* Check if switching to same window */
479 if (curvw->vw_switch_to == vw) {
480 DPRINTF(30, "%s: Switch in progress to same vw.", __func__);
481 return (0); /* success */
483 DPRINTF(30, "%s: Switch in progress to different vw.", __func__);
487 /* Avoid switching to already selected window */
489 DPRINTF(30, "%s: Cannot switch: vw == curvw.", __func__);
490 return (0); /* success */
493 /* Ask current process permission to switch away. */
494 if (curvw->vw_smode.mode == VT_PROCESS) {
495 DPRINTF(30, "%s: VT_PROCESS ", __func__);
496 if (vt_proc_alive(curvw) == FALSE) {
497 DPRINTF(30, "Dead. Cleaning.");
500 DPRINTF(30, "%s: Signaling process.\n", __func__);
501 /* Alive, try to ask him. */
502 ret = vt_window_preswitch(vw, curvw);
503 /* Wait for process answer or timeout. */
509 ret = vt_late_window_switch(vw);
513 /* Switch window ignoring process locking. */
515 vt_window_switch(struct vt_window *vw)
517 struct vt_device *vd = vw->vw_device;
518 struct vt_window *curvw = vd->vd_curwindow;
527 if (!(vw->vw_flags & (VWF_OPENED|VWF_CONSOLE))) {
532 vt_suspend_flush_timer(vd);
534 vd->vd_curwindow = vw;
535 vd->vd_flags |= VDF_INVALID;
536 cv_broadcast(&vd->vd_winswitch);
539 if (vd->vd_driver->vd_postswitch)
540 vd->vd_driver->vd_postswitch(vd);
542 vt_resume_flush_timer(vd, 0);
544 /* Restore per-window keyboard mode. */
546 kbd = kbd_get_keyboard(vd->vd_keyboard);
548 if (curvw->vw_kbdmode == K_XLATE)
549 vt_save_kbd_state(curvw, kbd);
551 vt_update_kbd_mode(vw, kbd);
552 vt_update_kbd_state(vw, kbd);
555 DPRINTF(10, "%s(ttyv%d) done\n", __func__, vw->vw_number);
561 vt_termsize(struct vt_device *vd, struct vt_font *vf, term_pos_t *size)
564 size->tp_row = vd->vd_height;
565 if (vt_draw_logo_cpus)
566 size->tp_row -= vt_logo_sprite_height;
567 size->tp_col = vd->vd_width;
569 size->tp_row /= vf->vf_height;
570 size->tp_col /= vf->vf_width;
575 vt_termrect(struct vt_device *vd, struct vt_font *vf, term_rect_t *rect)
578 rect->tr_begin.tp_row = rect->tr_begin.tp_col = 0;
579 if (vt_draw_logo_cpus)
580 rect->tr_begin.tp_row = vt_logo_sprite_height;
582 rect->tr_end.tp_row = vd->vd_height;
583 rect->tr_end.tp_col = vd->vd_width;
586 rect->tr_begin.tp_row =
587 howmany(rect->tr_begin.tp_row, vf->vf_height);
589 rect->tr_end.tp_row /= vf->vf_height;
590 rect->tr_end.tp_col /= vf->vf_width;
595 vt_winsize(struct vt_device *vd, struct vt_font *vf, struct winsize *size)
598 size->ws_ypixel = vd->vd_height;
599 if (vt_draw_logo_cpus)
600 size->ws_ypixel -= vt_logo_sprite_height;
601 size->ws_row = size->ws_ypixel;
602 size->ws_col = size->ws_xpixel = vd->vd_width;
604 size->ws_row /= vf->vf_height;
605 size->ws_col /= vf->vf_width;
610 vt_compute_drawable_area(struct vt_window *vw)
612 struct vt_device *vd;
618 if (vw->vw_font == NULL) {
619 vw->vw_draw_area.tr_begin.tp_col = 0;
620 vw->vw_draw_area.tr_begin.tp_row = 0;
621 if (vt_draw_logo_cpus)
622 vw->vw_draw_area.tr_begin.tp_row = vt_logo_sprite_height;
623 vw->vw_draw_area.tr_end.tp_col = vd->vd_width;
624 vw->vw_draw_area.tr_end.tp_row = vd->vd_height;
631 * Compute the drawable area, so that the text is centered on
635 height = vd->vd_height;
636 if (vt_draw_logo_cpus)
637 height -= vt_logo_sprite_height;
638 vw->vw_draw_area.tr_begin.tp_col = (vd->vd_width % vf->vf_width) / 2;
639 vw->vw_draw_area.tr_begin.tp_row = (height % vf->vf_height) / 2;
640 if (vt_draw_logo_cpus)
641 vw->vw_draw_area.tr_begin.tp_row += vt_logo_sprite_height;
642 vw->vw_draw_area.tr_end.tp_col = vw->vw_draw_area.tr_begin.tp_col +
643 rounddown(vd->vd_width, vf->vf_width);
644 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row +
645 rounddown(height, vf->vf_height);
649 vt_scroll(struct vt_window *vw, int offset, int whence)
654 if ((vw->vw_flags & VWF_SCROLL) == 0)
657 vt_termsize(vw->vw_device, vw->vw_font, &size);
659 diff = vthistory_seek(&vw->vw_buf, offset, whence);
661 vw->vw_device->vd_flags |= VDF_INVALID;
662 vt_resume_flush_timer(vw->vw_device, 0);
666 vt_machine_kbdevent(int c)
670 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */
672 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger");
674 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */
676 shutdown_nice(RB_HALT);
678 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */
679 #ifndef SC_NO_CUTPASTE
680 /* Insert text from cut-paste buffer. */
684 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */
686 shutdown_nice(RB_HALT|RB_POWEROFF);
688 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */
690 * Request to immediate panic if sysctl
691 * kern.vt.enable_panic_key allow it.
694 panic("Forced by the panic key");
696 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */
698 shutdown_nice(RB_AUTOBOOT);
700 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */
701 /* Force activatation/deactivation of the screen saver. */
704 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */
705 /* Put machine into Stand-By mode. */
706 power_pm_suspend(POWER_SLEEP_STATE_STANDBY);
708 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */
709 /* Suspend machine. */
710 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND);
718 vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console)
720 struct vt_device *vd;
724 /* Only special keys handled in ScrollLock mode */
725 if ((c & SPCLKEY) == 0)
731 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
732 vw = vd->vd_windows[c - F_SCR];
733 vt_proc_window_switch(vw);
741 /* Turn scrolling off. */
742 vt_scroll(vw, 0, VHS_END);
743 VTBUF_SLCK_DISABLE(&vw->vw_buf);
744 vw->vw_flags &= ~VWF_SCROLL;
747 case FKEY | F(49): /* Home key. */
748 vt_scroll(vw, 0, VHS_SET);
750 case FKEY | F(50): /* Arrow up. */
751 vt_scroll(vw, -1, VHS_CUR);
753 case FKEY | F(51): /* Page up. */
754 vt_termsize(vd, vw->vw_font, &size);
755 vt_scroll(vw, -size.tp_row, VHS_CUR);
757 case FKEY | F(57): /* End key. */
758 vt_scroll(vw, 0, VHS_END);
760 case FKEY | F(58): /* Arrow down. */
761 vt_scroll(vw, 1, VHS_CUR);
763 case FKEY | F(59): /* Page down. */
764 vt_termsize(vd, vw->vw_font, &size);
765 vt_scroll(vw, size.tp_row, VHS_CUR);
774 vt_processkey(keyboard_t *kbd, struct vt_device *vd, int c)
776 struct vt_window *vw = vd->vd_curwindow;
778 random_harvest_queue(&c, sizeof(c), 1, RANDOM_KEYBOARD);
779 #if VT_ALT_TO_ESC_HACK
781 switch (c & ~RELKEY) {
782 case (SPCLKEY | RALT):
783 if (vt_enable_altgr != 0)
785 case (SPCLKEY | LALT):
786 vd->vd_kbstate &= ~ALKED;
788 /* Other keys ignored for RELKEY event. */
791 switch (c & ~RELKEY) {
792 case (SPCLKEY | RALT):
793 if (vt_enable_altgr != 0)
795 case (SPCLKEY | LALT):
796 vd->vd_kbstate |= ALKED;
801 /* Other keys ignored for RELKEY event. */
805 if (vt_machine_kbdevent(c))
808 if (vw->vw_flags & VWF_SCROLL) {
809 vt_scrollmode_kbdevent(vw, c, 0/* Not a console */);
810 /* Scroll mode keys handled, nothing to do more. */
817 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
818 vw = vd->vd_windows[c - F_SCR];
819 vt_proc_window_switch(vw);
825 /* Switch to next VT. */
826 c = (vw->vw_number + 1) % VT_MAXWINDOWS;
827 vw = vd->vd_windows[c];
828 vt_proc_window_switch(vw);
831 /* Switch to previous VT. */
832 c = (vw->vw_number + VT_MAXWINDOWS - 1) % VT_MAXWINDOWS;
833 vw = vd->vd_windows[c];
834 vt_proc_window_switch(vw);
837 vt_save_kbd_state(vw, kbd);
839 if (vw->vw_kbdstate & SLKED) {
840 /* Turn scrolling on. */
841 vw->vw_flags |= VWF_SCROLL;
842 VTBUF_SLCK_ENABLE(&vw->vw_buf);
844 /* Turn scrolling off. */
845 vw->vw_flags &= ~VWF_SCROLL;
846 VTBUF_SLCK_DISABLE(&vw->vw_buf);
847 vt_scroll(vw, 0, VHS_END);
852 case FKEY | F(1): case FKEY | F(2): case FKEY | F(3):
853 case FKEY | F(4): case FKEY | F(5): case FKEY | F(6):
854 case FKEY | F(7): case FKEY | F(8): case FKEY | F(9):
855 case FKEY | F(10): case FKEY | F(11): case FKEY | F(12):
856 /* F1 through F12 keys. */
857 terminal_input_special(vw->vw_terminal,
858 TKEY_F1 + c - (FKEY | F(1)));
860 case FKEY | F(49): /* Home key. */
861 terminal_input_special(vw->vw_terminal, TKEY_HOME);
863 case FKEY | F(50): /* Arrow up. */
864 terminal_input_special(vw->vw_terminal, TKEY_UP);
866 case FKEY | F(51): /* Page up. */
867 terminal_input_special(vw->vw_terminal, TKEY_PAGE_UP);
869 case FKEY | F(53): /* Arrow left. */
870 terminal_input_special(vw->vw_terminal, TKEY_LEFT);
872 case FKEY | F(55): /* Arrow right. */
873 terminal_input_special(vw->vw_terminal, TKEY_RIGHT);
875 case FKEY | F(57): /* End key. */
876 terminal_input_special(vw->vw_terminal, TKEY_END);
878 case FKEY | F(58): /* Arrow down. */
879 terminal_input_special(vw->vw_terminal, TKEY_DOWN);
881 case FKEY | F(59): /* Page down. */
882 terminal_input_special(vw->vw_terminal, TKEY_PAGE_DOWN);
884 case FKEY | F(60): /* Insert key. */
885 terminal_input_special(vw->vw_terminal, TKEY_INSERT);
887 case FKEY | F(61): /* Delete key. */
888 terminal_input_special(vw->vw_terminal, TKEY_DELETE);
891 } else if (KEYFLAGS(c) == 0) {
892 /* Don't do UTF-8 conversion when doing raw mode. */
893 if (vw->vw_kbdmode == K_XLATE) {
894 #if VT_ALT_TO_ESC_HACK
895 if (vd->vd_kbstate & ALKED) {
897 * Prepend ESC sequence if one of ALT keys down.
899 terminal_input_char(vw->vw_terminal, 0x1b);
903 kdb_alt_break(c, &vd->vd_altbrk);
905 terminal_input_char(vw->vw_terminal, KEYCHAR(c));
907 terminal_input_raw(vw->vw_terminal, c);
913 vt_kbdevent(keyboard_t *kbd, int event, void *arg)
915 struct vt_device *vd = arg;
921 case KBDIO_UNLOADING:
923 vd->vd_keyboard = -1;
924 kbd_release(kbd, (void *)vd);
931 while ((c = kbdd_read_char(kbd, 0)) != NOKEY)
932 vt_processkey(kbd, vd, c);
938 vt_allocate_keyboard(struct vt_device *vd)
944 idx0 = kbd_allocate("kbdmux", -1, vd, vt_kbdevent, vd);
946 DPRINTF(20, "%s: kbdmux allocated, idx = %d\n", __func__, idx0);
947 k0 = kbd_get_keyboard(idx0);
949 for (idx = kbd_find_keyboard2("*", -1, 0);
951 idx = kbd_find_keyboard2("*", -1, idx + 1)) {
952 k = kbd_get_keyboard(idx);
954 if (idx == idx0 || KBD_IS_BUSY(k))
957 bzero(&ki, sizeof(ki));
958 strncpy(ki.kb_name, k->kb_name, sizeof(ki.kb_name));
959 ki.kb_name[sizeof(ki.kb_name) - 1] = '\0';
960 ki.kb_unit = k->kb_unit;
962 kbdd_ioctl(k0, KBADDKBD, (caddr_t) &ki);
965 DPRINTF(20, "%s: no kbdmux allocated\n", __func__);
966 idx0 = kbd_allocate("*", -1, vd, vt_kbdevent, vd);
968 DPRINTF(10, "%s: No keyboard found.\n", __func__);
972 vd->vd_keyboard = idx0;
973 DPRINTF(20, "%s: vd_keyboard = %d\n", __func__, vd->vd_keyboard);
979 vtterm_bell(struct terminal *tm)
981 struct vt_window *vw = tm->tm_softc;
982 struct vt_device *vd = vw->vw_device;
987 if (vd->vd_flags & VDF_QUIET_BELL)
990 sysbeep(1193182 / VT_BELLPITCH, VT_BELLDURATION);
994 vtterm_beep(struct terminal *tm, u_int param)
1001 if ((param == 0) || ((param & 0xffff) == 0)) {
1006 period = ((param >> 16) & 0xffff) * hz / 1000;
1007 freq = 1193182 / (param & 0xffff);
1009 sysbeep(freq, period);
1013 vtterm_cursor(struct terminal *tm, const term_pos_t *p)
1015 struct vt_window *vw = tm->tm_softc;
1017 vtbuf_cursor_position(&vw->vw_buf, p);
1018 vt_resume_flush_timer(vw->vw_device, 0);
1022 vtterm_putchar(struct terminal *tm, const term_pos_t *p, term_char_t c)
1024 struct vt_window *vw = tm->tm_softc;
1026 vtbuf_putchar(&vw->vw_buf, p, c);
1027 vt_resume_flush_timer(vw->vw_device, 0);
1031 vtterm_fill(struct terminal *tm, const term_rect_t *r, term_char_t c)
1033 struct vt_window *vw = tm->tm_softc;
1035 vtbuf_fill_locked(&vw->vw_buf, r, c);
1036 vt_resume_flush_timer(vw->vw_device, 0);
1040 vtterm_copy(struct terminal *tm, const term_rect_t *r,
1041 const term_pos_t *p)
1043 struct vt_window *vw = tm->tm_softc;
1045 vtbuf_copy(&vw->vw_buf, r, p);
1046 vt_resume_flush_timer(vw->vw_device, 0);
1050 vtterm_param(struct terminal *tm, int cmd, unsigned int arg)
1052 struct vt_window *vw = tm->tm_softc;
1056 vtbuf_cursor_visibility(&vw->vw_buf, arg);
1057 vt_resume_flush_timer(vw->vw_device, 0);
1060 vw->vw_mouse_level = arg;
1066 vt_determine_colors(term_char_t c, int cursor,
1067 term_color_t *fg, term_color_t *bg)
1074 *fg = TCHAR_FGCOLOR(c);
1075 if (TCHAR_FORMAT(c) & TF_BOLD)
1076 *fg = TCOLOR_LIGHT(*fg);
1077 *bg = TCHAR_BGCOLOR(c);
1078 if (TCHAR_FORMAT(c) & TF_BLINK)
1079 *bg = TCOLOR_LIGHT(*bg);
1081 if (TCHAR_FORMAT(c) & TF_REVERSE)
1093 #ifndef SC_NO_CUTPASTE
1095 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area)
1097 unsigned int mx, my;
1100 * We use the cursor position saved during the current refresh,
1101 * in case the cursor moved since.
1103 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col;
1104 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row;
1106 if (mx >= area->tr_end.tp_col ||
1107 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col ||
1108 my >= area->tr_end.tp_row ||
1109 my + vd->vd_mcursor->height <= area->tr_begin.tp_row)
1115 vt_mark_mouse_position_as_dirty(struct vt_device *vd)
1118 struct vt_window *vw;
1122 vw = vd->vd_curwindow;
1125 x = vd->vd_mx_drawn;
1126 y = vd->vd_my_drawn;
1129 area.tr_begin.tp_col = x / vf->vf_width;
1130 area.tr_begin.tp_row = y / vf->vf_height;
1131 area.tr_end.tp_col =
1132 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1;
1133 area.tr_end.tp_row =
1134 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1;
1137 * No font loaded (ie. vt_vga operating in textmode).
1139 * FIXME: This fake area needs to be revisited once the
1140 * mouse cursor is supported in vt_vga's textmode.
1142 area.tr_begin.tp_col = x;
1143 area.tr_begin.tp_row = y;
1144 area.tr_end.tp_col = x + 2;
1145 area.tr_end.tp_row = y + 2;
1148 vtbuf_dirty(&vw->vw_buf, &area);
1153 vt_set_border(struct vt_device *vd, term_color_t c)
1155 term_rect_t *tarea = &vd->vd_curwindow->vw_draw_area;
1159 for (y = 0; y < tarea->tr_begin.tp_row; y++)
1160 for (x = 0; x < vd->vd_width; x++)
1161 vd->vd_driver->vd_setpixel(vd, x, y, c);
1163 for (y = tarea->tr_begin.tp_row; y < tarea->tr_end.tp_row; y++) {
1165 for (x = 0; x < tarea->tr_begin.tp_col; x++)
1166 vd->vd_driver->vd_setpixel(vd, x, y, c);
1169 for (x = tarea->tr_end.tp_col; x < vd->vd_width; x++)
1170 vd->vd_driver->vd_setpixel(vd, x, y, c);
1174 for (y = tarea->tr_end.tp_row; y < vd->vd_height; y++)
1175 for (x = 0; x < vd->vd_width; x++)
1176 vd->vd_driver->vd_setpixel(vd, x, y, c);
1180 vt_flush(struct vt_device *vd)
1182 struct vt_window *vw;
1185 #ifndef SC_NO_CUTPASTE
1186 int cursor_was_shown, cursor_moved;
1189 vw = vd->vd_curwindow;
1193 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY)
1197 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL))
1200 #ifndef SC_NO_CUTPASTE
1201 cursor_was_shown = vd->vd_mshown;
1202 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn ||
1203 vd->vd_my != vd->vd_my_drawn);
1205 /* Check if the cursor should be displayed or not. */
1206 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */
1207 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */
1208 !kdb_active && panicstr == NULL) { /* DDB inactive. */
1215 * If the cursor changed display state or moved, we must mark
1216 * the old position as dirty, so that it's erased.
1218 if (cursor_was_shown != vd->vd_mshown ||
1219 (vd->vd_mshown && cursor_moved))
1220 vt_mark_mouse_position_as_dirty(vd);
1223 * Save position of the mouse cursor. It's used by backends to
1224 * know where to draw the cursor and during the next refresh to
1225 * erase the previous position.
1227 vd->vd_mx_drawn = vd->vd_mx;
1228 vd->vd_my_drawn = vd->vd_my;
1231 * If the cursor is displayed and has moved since last refresh,
1232 * mark the new position as dirty.
1234 if (vd->vd_mshown && cursor_moved)
1235 vt_mark_mouse_position_as_dirty(vd);
1238 vtbuf_undirty(&vw->vw_buf, &tarea);
1240 /* Force a full redraw when the screen contents are invalid. */
1241 if (vd->vd_flags & VDF_INVALID) {
1242 vd->vd_flags &= ~VDF_INVALID;
1244 vt_set_border(vd, TC_BLACK);
1245 vt_termrect(vd, vf, &tarea);
1246 if (vt_draw_logo_cpus)
1247 vtterm_draw_cpu_logos(vd);
1250 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) {
1251 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea);
1261 struct vt_device *vd;
1265 /* Update screen if required. */
1266 changed = vt_flush(vd);
1268 /* Schedule for next update. */
1270 vt_schedule_flush(vd, 0);
1272 vd->vd_timer_armed = 0;
1276 vtterm_done(struct terminal *tm)
1278 struct vt_window *vw = tm->tm_softc;
1279 struct vt_device *vd = vw->vw_device;
1281 if (kdb_active || panicstr != NULL) {
1282 /* Switch to the debugger. */
1283 if (vd->vd_curwindow != vw) {
1284 vd->vd_curwindow = vw;
1285 vd->vd_flags |= VDF_INVALID;
1286 if (vd->vd_driver->vd_postswitch)
1287 vd->vd_driver->vd_postswitch(vd);
1289 vd->vd_flags &= ~VDF_SPLASH;
1291 } else if (!(vd->vd_flags & VDF_ASYNC)) {
1298 vtterm_splash(struct vt_device *vd)
1300 vt_axis_t top, left;
1302 /* Display a nice boot splash. */
1303 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) {
1305 top = (vd->vd_height - vt_logo_height) / 2;
1306 left = (vd->vd_width - vt_logo_width) / 2;
1307 switch (vt_logo_depth) {
1309 /* XXX: Unhardcode colors! */
1310 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow,
1311 vt_logo_image, NULL, vt_logo_width, vt_logo_height,
1312 left, top, TC_WHITE, TC_BLACK);
1314 vd->vd_flags |= VDF_SPLASH;
1321 vtterm_cnprobe(struct terminal *tm, struct consdev *cp)
1323 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL;
1324 struct vt_window *vw = tm->tm_softc;
1325 struct vt_device *vd = vw->vw_device;
1330 if (!vty_enabled(VTY_VT))
1333 if (vd->vd_flags & VDF_INITIALIZED)
1334 /* Initialization already done. */
1337 SET_FOREACH(vtdlist, vt_drv_set) {
1339 if (vtd->vd_probe == NULL)
1341 if (vtd->vd_probe(vd) == CN_DEAD)
1343 if ((vtdbest == NULL) ||
1344 (vtd->vd_priority > vtdbest->vd_priority))
1347 if (vtdbest == NULL) {
1348 cp->cn_pri = CN_DEAD;
1349 vd->vd_flags |= VDF_DEAD;
1351 vd->vd_driver = vtdbest;
1352 cp->cn_pri = vd->vd_driver->vd_init(vd);
1355 /* Check if driver's vt_init return CN_DEAD. */
1356 if (cp->cn_pri == CN_DEAD) {
1357 vd->vd_flags |= VDF_DEAD;
1360 /* Initialize any early-boot keyboard drivers */
1361 kbd_configure(KB_CONF_PROBE_ONLY);
1363 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1);
1364 vd->vd_windows[VT_CONSWINDOW] = vw;
1365 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw));
1367 /* Attach default font if not in TEXTMODE. */
1368 if ((vd->vd_flags & VDF_TEXTMODE) == 0) {
1369 vw->vw_font = vtfont_ref(&vt_font_default);
1370 vt_compute_drawable_area(vw);
1374 * The original screen size was faked (_VTDEFW x _VTDEFH). Now
1375 * that we have the real viewable size, fix it in the static
1378 if (vd->vd_width != 0 && vd->vd_height != 0)
1379 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size);
1381 vtbuf_init_early(&vw->vw_buf);
1382 vt_winsize(vd, vw->vw_font, &wsz);
1383 c = (boothowto & RB_MUTE) == 0 ? TERMINAL_KERN_ATTR :
1385 attr.ta_format = TCHAR_FORMAT(c);
1386 attr.ta_fgcolor = TCHAR_FGCOLOR(c);
1387 attr.ta_bgcolor = TCHAR_BGCOLOR(c);
1388 terminal_set_winsize_blank(tm, &wsz, 1, &attr);
1390 if (vtdbest != NULL) {
1395 vd->vd_flags |= VDF_INITIALIZED;
1400 vtterm_cngetc(struct terminal *tm)
1402 struct vt_window *vw = tm->tm_softc;
1403 struct vt_device *vd = vw->vw_device;
1407 if (vw->vw_kbdsq && *vw->vw_kbdsq)
1408 return (*vw->vw_kbdsq++);
1410 /* Make sure the splash screen is not there. */
1411 if (vd->vd_flags & VDF_SPLASH) {
1413 vd->vd_flags &= ~VDF_SPLASH;
1414 /* Mark screen as invalid to force update */
1415 vd->vd_flags |= VDF_INVALID;
1419 /* Stripped down keyboard handler. */
1420 kbd = kbd_get_keyboard(vd->vd_keyboard);
1424 /* Force keyboard input mode to K_XLATE */
1425 vw->vw_kbdmode = K_XLATE;
1426 vt_update_kbd_mode(vw, kbd);
1428 /* Switch the keyboard to polling to make it work here. */
1429 kbdd_poll(kbd, TRUE);
1430 c = kbdd_read_char(kbd, 0);
1431 kbdd_poll(kbd, FALSE);
1435 if (vw->vw_flags & VWF_SCROLL) {
1436 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */);
1441 /* Stripped down handling of vt_kbdevent(), without locking, etc. */
1445 vt_save_kbd_state(vw, kbd);
1446 if (vw->vw_kbdstate & SLKED) {
1447 /* Turn scrolling on. */
1448 vw->vw_flags |= VWF_SCROLL;
1449 VTBUF_SLCK_ENABLE(&vw->vw_buf);
1451 /* Turn scrolling off. */
1452 vt_scroll(vw, 0, VHS_END);
1453 vw->vw_flags &= ~VWF_SCROLL;
1454 VTBUF_SLCK_DISABLE(&vw->vw_buf);
1457 /* XXX: KDB can handle history. */
1458 case SPCLKEY | FKEY | F(50): /* Arrow up. */
1459 vw->vw_kbdsq = "\x1b[A";
1461 case SPCLKEY | FKEY | F(58): /* Arrow down. */
1462 vw->vw_kbdsq = "\x1b[B";
1464 case SPCLKEY | FKEY | F(55): /* Arrow right. */
1465 vw->vw_kbdsq = "\x1b[C";
1467 case SPCLKEY | FKEY | F(53): /* Arrow left. */
1468 vw->vw_kbdsq = "\x1b[D";
1472 /* Force refresh to make scrollback work. */
1474 } else if (KEYFLAGS(c) == 0) {
1475 return (KEYCHAR(c));
1478 if (vw->vw_kbdsq && *vw->vw_kbdsq)
1479 return (*vw->vw_kbdsq++);
1485 vtterm_cngrab(struct terminal *tm)
1487 struct vt_device *vd;
1488 struct vt_window *vw;
1495 vt_window_switch(vw);
1497 kbd = kbd_get_keyboard(vd->vd_keyboard);
1501 if (vw->vw_grabbed++ > 0)
1505 * Make sure the keyboard is accessible even when the kbd device
1506 * driver is disabled.
1510 /* We shall always use the keyboard in the XLATE mode here. */
1511 vw->vw_prev_kbdmode = vw->vw_kbdmode;
1512 vw->vw_kbdmode = K_XLATE;
1513 vt_update_kbd_mode(vw, kbd);
1515 kbdd_poll(kbd, TRUE);
1519 vtterm_cnungrab(struct terminal *tm)
1521 struct vt_device *vd;
1522 struct vt_window *vw;
1528 kbd = kbd_get_keyboard(vd->vd_keyboard);
1532 if (--vw->vw_grabbed > 0)
1535 kbdd_poll(kbd, FALSE);
1537 vw->vw_kbdmode = vw->vw_prev_kbdmode;
1538 vt_update_kbd_mode(vw, kbd);
1543 vtterm_opened(struct terminal *tm, int opened)
1545 struct vt_window *vw = tm->tm_softc;
1546 struct vt_device *vd = vw->vw_device;
1549 vd->vd_flags &= ~VDF_SPLASH;
1551 vw->vw_flags |= VWF_OPENED;
1553 vw->vw_flags &= ~VWF_OPENED;
1554 /* TODO: finish ACQ/REL */
1560 vt_change_font(struct vt_window *vw, struct vt_font *vf)
1562 struct vt_device *vd = vw->vw_device;
1563 struct terminal *tm = vw->vw_terminal;
1570 * Changing fonts is a little tricky. We must prevent
1571 * simultaneous access to the device, so we must stop
1572 * the display timer and the terminal from accessing.
1573 * We need to switch fonts and grow our screen buffer.
1575 * XXX: Right now the code uses terminal_mute() to
1576 * prevent data from reaching the console driver while
1577 * resizing the screen buffer. This isn't elegant...
1581 if (vw->vw_flags & VWF_BUSY) {
1582 /* Another process is changing the font. */
1586 vw->vw_flags |= VWF_BUSY;
1589 vt_termsize(vd, vf, &size);
1590 vt_winsize(vd, vf, &wsz);
1592 /* Grow the screen buffer and terminal. */
1593 terminal_mute(tm, 1);
1594 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size);
1595 terminal_set_winsize_blank(tm, &wsz, 0, NULL);
1596 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor);
1597 terminal_mute(tm, 0);
1599 /* Actually apply the font to the current window. */
1601 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) {
1603 * In case vt_change_font called to update size we don't need
1604 * to update font link.
1606 vtfont_unref(vw->vw_font);
1607 vw->vw_font = vtfont_ref(vf);
1611 * Compute the drawable area and move the mouse cursor inside
1612 * it, in case the new area is smaller than the previous one.
1614 vt_compute_drawable_area(vw);
1615 vd->vd_mx = min(vd->vd_mx,
1616 vw->vw_draw_area.tr_end.tp_col -
1617 vw->vw_draw_area.tr_begin.tp_col - 1);
1618 vd->vd_my = min(vd->vd_my,
1619 vw->vw_draw_area.tr_end.tp_row -
1620 vw->vw_draw_area.tr_begin.tp_row - 1);
1622 /* Force a full redraw the next timer tick. */
1623 if (vd->vd_curwindow == vw) {
1624 vd->vd_flags |= VDF_INVALID;
1625 vt_resume_flush_timer(vw->vw_device, 0);
1627 vw->vw_flags &= ~VWF_BUSY;
1633 vt_proc_alive(struct vt_window *vw)
1637 if (vw->vw_smode.mode != VT_PROCESS)
1641 if ((p = pfind(vw->vw_pid)) != NULL)
1643 if (vw->vw_proc == p)
1646 vw->vw_smode.mode = VT_AUTO;
1647 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid);
1654 signal_vt_rel(struct vt_window *vw)
1657 if (vw->vw_smode.mode != VT_PROCESS)
1659 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1664 vw->vw_flags |= VWF_SWWAIT_REL;
1665 PROC_LOCK(vw->vw_proc);
1666 kern_psignal(vw->vw_proc, vw->vw_smode.relsig);
1667 PROC_UNLOCK(vw->vw_proc);
1668 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid);
1673 signal_vt_acq(struct vt_window *vw)
1676 if (vw->vw_smode.mode != VT_PROCESS)
1678 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
1679 cnavailable(vw->vw_terminal->consdev, FALSE);
1680 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1685 vw->vw_flags |= VWF_SWWAIT_ACQ;
1686 PROC_LOCK(vw->vw_proc);
1687 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig);
1688 PROC_UNLOCK(vw->vw_proc);
1689 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid);
1694 finish_vt_rel(struct vt_window *vw, int release, int *s)
1697 if (vw->vw_flags & VWF_SWWAIT_REL) {
1698 vw->vw_flags &= ~VWF_SWWAIT_REL;
1700 callout_drain(&vw->vw_proc_dead_timer);
1701 vt_late_window_switch(vw->vw_switch_to);
1709 finish_vt_acq(struct vt_window *vw)
1712 if (vw->vw_flags & VWF_SWWAIT_ACQ) {
1713 vw->vw_flags &= ~VWF_SWWAIT_ACQ;
1719 #ifndef SC_NO_CUTPASTE
1721 vt_mouse_terminput_button(struct vt_device *vd, int button)
1723 struct vt_window *vw;
1725 char mouseb[6] = "\x1B[M";
1728 vw = vd->vd_curwindow;
1731 /* Translate to char position. */
1732 x = vd->vd_mx / vf->vf_width;
1733 y = vd->vd_my / vf->vf_height;
1734 /* Avoid overflow. */
1735 x = MIN(x, 255 - '!');
1736 y = MIN(y, 255 - '!');
1738 mouseb[3] = ' ' + button;
1739 mouseb[4] = '!' + x;
1740 mouseb[5] = '!' + y;
1742 for (i = 0; i < sizeof(mouseb); i++)
1743 terminal_input_char(vw->vw_terminal, mouseb[i]);
1747 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event,
1752 case MOUSE_BUTTON_EVENT:
1754 /* Mouse button pressed. */
1755 if (event & MOUSE_BUTTON1DOWN)
1756 vt_mouse_terminput_button(vd, 0);
1757 if (event & MOUSE_BUTTON2DOWN)
1758 vt_mouse_terminput_button(vd, 1);
1759 if (event & MOUSE_BUTTON3DOWN)
1760 vt_mouse_terminput_button(vd, 2);
1762 /* Mouse button released. */
1763 vt_mouse_terminput_button(vd, 3);
1767 case MOUSE_MOTION_EVENT:
1768 if (mouse->u.data.z < 0) {
1770 sc_mouse_input_button(vd, 64);
1771 } else if (mouse->u.data.z > 0) {
1773 sc_mouse_input_button(vd, 65);
1786 len = VD_PASTEBUFLEN(main_vd);
1787 buf = VD_PASTEBUF(main_vd);
1788 len /= sizeof(term_char_t);
1789 for (i = 0; i < len; i++) {
1792 terminal_input_char(main_vd->vd_curwindow->vw_terminal,
1798 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel)
1800 struct vt_device *vd;
1801 struct vt_window *vw;
1807 vw = vd->vd_curwindow;
1811 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS))
1813 * Either the mouse is disabled, or the window is in
1814 * "graphics mode". The graphics mode is usually set by
1815 * an X server, using the KDSETMODE ioctl.
1819 if (vf == NULL) /* Text mode. */
1823 * TODO: add flag about pointer position changed, to not redraw chars
1824 * under mouse pointer when nothing changed.
1827 if (vw->vw_mouse_level > 0)
1828 vt_mouse_terminput(vd, type, x, y, event, cnt);
1832 case MOUSE_MOTION_EVENT:
1837 vt_termsize(vd, vf, &size);
1842 x = MIN(x, (size.tp_col * vf->vf_width) - 1);
1843 y = MIN(y, (size.tp_row * vf->vf_height) - 1);
1847 if (vd->vd_mstate & MOUSE_BUTTON1DOWN)
1848 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE,
1849 vd->vd_mx / vf->vf_width,
1850 vd->vd_my / vf->vf_height);
1852 vt_resume_flush_timer(vw->vw_device, 0);
1854 case MOUSE_BUTTON_EVENT:
1862 case MOUSE_BUTTON1DOWN:
1865 mark = VTB_MARK_END;
1867 case 1: /* single click: start cut operation */
1868 mark = VTB_MARK_START;
1870 case 2: /* double click: cut a word */
1871 mark = VTB_MARK_WORD;
1873 case 3: /* triple click: cut a line */
1874 mark = VTB_MARK_ROW;
1878 case VT_MOUSE_PASTEBUTTON:
1887 case VT_MOUSE_EXTENDBUTTON:
1890 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN))
1891 mark = VTB_MARK_EXTEND;
1896 mark = VTB_MARK_EXTEND;
1904 /* Save buttons state. */
1906 vd->vd_mstate |= event;
1908 vd->vd_mstate &= ~event;
1910 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width,
1911 vd->vd_my / vf->vf_height) == 1) {
1913 * We have something marked to copy, so update pointer to
1914 * window with selection.
1916 vt_resume_flush_timer(vw->vw_device, 0);
1922 case VTB_MARK_EXTEND:
1925 /* Other types of mark do not require to copy data. */
1929 /* Get current selection size in bytes. */
1930 len = vtbuf_get_marked_len(&vw->vw_buf);
1934 /* Reallocate buffer only if old one is too small. */
1935 if (len > VD_PASTEBUFSZ(vd)) {
1936 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT,
1938 /* Update buffer size. */
1939 VD_PASTEBUFSZ(vd) = len;
1941 /* Request copy/paste buffer data, no more than `len' */
1942 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd),
1945 VD_PASTEBUFLEN(vd) = len;
1947 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */
1952 vt_mouse_state(int show)
1954 struct vt_device *vd;
1955 struct vt_window *vw;
1958 vw = vd->vd_curwindow;
1962 vw->vw_flags |= VWF_MOUSE_HIDE;
1965 vw->vw_flags &= ~VWF_MOUSE_HIDE;
1969 /* Mark mouse position as dirty. */
1970 vt_mark_mouse_position_as_dirty(vd);
1971 vt_resume_flush_timer(vw->vw_device, 0);
1976 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr,
1977 int nprot, vm_memattr_t *memattr)
1979 struct vt_window *vw = tm->tm_softc;
1980 struct vt_device *vd = vw->vw_device;
1982 if (vd->vd_driver->vd_fb_mmap)
1983 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot,
1990 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data,
1993 struct vt_window *vw = tm->tm_softc;
1994 struct vt_device *vd = vw->vw_device;
1997 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
1998 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
2009 cmd = VT_WAITACTIVE;
2035 ival = IOCPARM_IVAL(data);
2036 data = (caddr_t)&ival;
2041 case KDSETRAD: /* set keyboard repeat & delay rates (old) */
2042 if (*(int *)data & ~0x7f)
2047 case GIO_DEADKEYMAP:
2048 case PIO_DEADKEYMAP:
2053 case KDGETREPEAT: /* get keyboard repeat & delay rates */
2054 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
2055 case KBADDKBD: /* add/remove keyboard to/from mux */
2060 kbd = kbd_get_keyboard(vd->vd_keyboard);
2062 error = kbdd_ioctl(kbd, cmd, data);
2064 if (error == ENOIOCTL) {
2065 if (cmd == KDGKBTYPE) {
2066 /* always return something? XXX */
2074 case KDGKBSTATE: { /* get keyboard state (locks) */
2077 if (vw == vd->vd_curwindow) {
2079 kbd = kbd_get_keyboard(vd->vd_keyboard);
2081 error = vt_save_kbd_state(vw, kbd);
2088 *(int *)data = vw->vw_kbdstate & LOCK_MASK;
2092 case KDSKBSTATE: { /* set keyboard state (locks) */
2095 state = *(int *)data;
2096 if (state & ~LOCK_MASK)
2099 vw->vw_kbdstate &= ~LOCK_MASK;
2100 vw->vw_kbdstate |= state;
2103 if (vw == vd->vd_curwindow) {
2105 kbd = kbd_get_keyboard(vd->vd_keyboard);
2107 error = vt_update_kbd_state(vw, kbd);
2113 case KDGETLED: { /* get keyboard LED status */
2116 if (vw == vd->vd_curwindow) {
2118 kbd = kbd_get_keyboard(vd->vd_keyboard);
2120 error = vt_save_kbd_leds(vw, kbd);
2127 *(int *)data = vw->vw_kbdstate & LED_MASK;
2131 case KDSETLED: { /* set keyboard LED status */
2134 leds = *(int *)data;
2135 if (leds & ~LED_MASK)
2138 vw->vw_kbdstate &= ~LED_MASK;
2139 vw->vw_kbdstate |= leds;
2142 if (vw == vd->vd_curwindow) {
2144 kbd = kbd_get_keyboard(vd->vd_keyboard);
2146 error = vt_update_kbd_leds(vw, kbd);
2155 if (vw == vd->vd_curwindow) {
2157 kbd = kbd_get_keyboard(vd->vd_keyboard);
2159 error = vt_save_kbd_mode(vw, kbd);
2166 *(int *)data = vw->vw_kbdmode;
2173 mode = *(int *)data;
2178 vw->vw_kbdmode = mode;
2181 if (vw == vd->vd_curwindow) {
2183 kbd = kbd_get_keyboard(vd->vd_keyboard);
2185 error = vt_update_kbd_mode(vw, kbd);
2195 case FBIO_GETWINORG: /* get frame buffer window origin */
2196 case FBIO_GETDISPSTART: /* get display start address */
2197 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
2198 case FBIO_BLANK: /* blank display */
2199 if (vd->vd_driver->vd_fb_ioctl)
2200 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td));
2202 case CONS_BLANKTIME:
2207 *(int *)data = M_CG640x480;
2209 case CONS_BELLTYPE: /* set bell type sound */
2210 if ((*(int *)data) & CONS_QUIET_BELL)
2211 vd->vd_flags |= VDF_QUIET_BELL;
2213 vd->vd_flags &= ~VDF_QUIET_BELL;
2215 case CONS_GETINFO: {
2216 vid_info_t *vi = (vid_info_t *)data;
2217 if (vi->size != sizeof(struct vid_info))
2220 if (vw == vd->vd_curwindow) {
2222 kbd = kbd_get_keyboard(vd->vd_keyboard);
2224 vt_save_kbd_state(vw, kbd);
2228 vi->m_num = vd->vd_curwindow->vw_number + 1;
2229 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK;
2230 /* XXX: other fields! */
2234 *(int *)data = 0x200;
2239 case CONS_MOUSECTL: {
2240 mouse_info_t *mouse = (mouse_info_t*)data;
2243 * All the commands except MOUSE_SHOW nd MOUSE_HIDE
2244 * should not be applied to individual TTYs, but only to
2247 switch (mouse->operation) {
2249 if (vd->vd_flags & VDF_MOUSECURSOR) {
2250 vd->vd_flags &= ~VDF_MOUSECURSOR;
2251 #ifndef SC_NO_CUTPASTE
2252 vt_mouse_state(VT_MOUSE_HIDE);
2257 if (!(vd->vd_flags & VDF_MOUSECURSOR)) {
2258 vd->vd_flags |= VDF_MOUSECURSOR;
2259 vd->vd_mx = vd->vd_width / 2;
2260 vd->vd_my = vd->vd_height / 2;
2261 #ifndef SC_NO_CUTPASTE
2262 vt_mouse_state(VT_MOUSE_SHOW);
2273 if (vd->vd_flags & VDF_TEXTMODE)
2276 error = vtfont_load((void *)data, &vf);
2280 error = vt_change_font(vw, vf);
2284 case PIO_VFONT_DEFAULT: {
2285 /* Reset to default font. */
2286 error = vt_change_font(vw, &vt_font_default);
2290 scrmap_t *sm = (scrmap_t *)data;
2292 /* We don't have screen maps, so return a handcrafted one. */
2293 for (i = 0; i < 256; i++)
2299 * FIXME: This implementation is incomplete compared to
2302 switch (*(int *)data) {
2306 vw->vw_flags &= ~VWF_GRAPHICS;
2309 vw->vw_flags |= VWF_GRAPHICS;
2313 case KDENABIO: /* allow io operations */
2314 error = priv_check(td, PRIV_IO);
2317 error = securelevel_gt(td->td_ucred, 0);
2320 #if defined(__i386__)
2321 td->td_frame->tf_eflags |= PSL_IOPL;
2322 #elif defined(__amd64__)
2323 td->td_frame->tf_rflags |= PSL_IOPL;
2326 case KDDISABIO: /* disallow io operations (default) */
2327 #if defined(__i386__)
2328 td->td_frame->tf_eflags &= ~PSL_IOPL;
2329 #elif defined(__amd64__)
2330 td->td_frame->tf_rflags &= ~PSL_IOPL;
2333 case KDMKTONE: /* sound the bell */
2334 vtterm_beep(tm, *(u_int *)data);
2336 case KIOCSOUND: /* make tone (*data) hz */
2339 case CONS_SETKBD: /* set the new keyboard */
2342 if (vd->vd_keyboard != *(int *)data) {
2343 kbd = kbd_get_keyboard(*(int *)data);
2348 i = kbd_allocate(kbd->kb_name, kbd->kb_unit,
2349 (void *)vd, vt_kbdevent, vd);
2351 if (vd->vd_keyboard != -1) {
2352 kbd = kbd_get_keyboard(vd->vd_keyboard);
2353 vt_save_kbd_state(vd->vd_curwindow, kbd);
2354 kbd_release(kbd, (void *)vd);
2356 kbd = kbd_get_keyboard(i);
2357 vd->vd_keyboard = i;
2359 vt_update_kbd_mode(vd->vd_curwindow, kbd);
2360 vt_update_kbd_state(vd->vd_curwindow, kbd);
2362 error = EPERM; /* XXX */
2367 case CONS_RELKBD: /* release the current keyboard */
2370 if (vd->vd_keyboard != -1) {
2371 kbd = kbd_get_keyboard(vd->vd_keyboard);
2376 vt_save_kbd_state(vd->vd_curwindow, kbd);
2377 error = kbd_release(kbd, (void *)vd);
2379 vd->vd_keyboard = -1;
2386 win = *(int *)data - 1;
2387 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME,
2389 if ((win >= VT_MAXWINDOWS) || (win < 0))
2391 return (vt_proc_window_switch(vd->vd_windows[win]));
2394 *(int *)data = vd->vd_curwindow->vw_number + 1;
2397 *(int *)data = vw->vw_number + 1;
2400 /* TODO: Check current state, switching can be in progress. */
2401 if ((*(int *)data) == 0x01)
2402 vw->vw_flags |= VWF_VTYLOCK;
2403 else if ((*(int *)data) == 0x02)
2404 vw->vw_flags &= ~VWF_VTYLOCK;
2410 for (i = 0; i < VT_MAXWINDOWS; i++) {
2411 vw = vd->vd_windows[i];
2414 if (!(vw->vw_flags & VWF_OPENED)) {
2415 *(int *)data = vw->vw_number + 1;
2422 case VT_WAITACTIVE: {
2427 idx = *(unsigned int *)data;
2428 if (idx > VT_MAXWINDOWS)
2431 vw = vd->vd_windows[idx - 1];
2434 while (vd->vd_curwindow != vw && error == 0)
2435 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
2439 case VT_SETMODE: { /* set screen switcher mode */
2440 struct vt_mode *mode;
2443 mode = (struct vt_mode *)data;
2444 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw));
2445 if (vw->vw_smode.mode == VT_PROCESS) {
2446 p1 = pfind(vw->vw_pid);
2447 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) {
2450 DPRINTF(5, "error EPERM\n");
2456 if (mode->mode == VT_AUTO) {
2457 vw->vw_smode.mode = VT_AUTO;
2460 DPRINTF(5, "VT_AUTO, ");
2461 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
2462 cnavailable(vw->vw_terminal->consdev, TRUE);
2463 /* were we in the middle of the vty switching process? */
2464 if (finish_vt_rel(vw, TRUE, &s) == 0)
2465 DPRINTF(5, "reset WAIT_REL, ");
2466 if (finish_vt_acq(vw) == 0)
2467 DPRINTF(5, "reset WAIT_ACQ, ");
2469 } else if (mode->mode == VT_PROCESS) {
2470 if (!ISSIGVALID(mode->relsig) ||
2471 !ISSIGVALID(mode->acqsig) ||
2472 !ISSIGVALID(mode->frsig)) {
2473 DPRINTF(5, "error EINVAL\n");
2476 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid);
2477 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode));
2478 vw->vw_proc = td->td_proc;
2479 vw->vw_pid = vw->vw_proc->p_pid;
2480 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
2481 cnavailable(vw->vw_terminal->consdev, FALSE);
2483 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n",
2490 case VT_GETMODE: /* get screen switcher mode */
2491 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode));
2494 case VT_RELDISP: /* screen switcher ioctl */
2496 * This must be the current vty which is in the VT_PROCESS
2499 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode !=
2503 /* ...and this process is controlling it. */
2504 if (vw->vw_proc != td->td_proc) {
2508 switch(*(int *)data) {
2509 case VT_FALSE: /* user refuses to release screen, abort */
2510 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0)
2511 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n",
2512 SC_DRIVER_NAME, VT_UNIT(vw));
2514 case VT_TRUE: /* user has released screen, go on */
2515 /* finish_vt_rel(..., TRUE, ...) should not be locked */
2516 if (vw->vw_flags & VWF_SWWAIT_REL) {
2517 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0)
2518 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n",
2519 SC_DRIVER_NAME, VT_UNIT(vw));
2524 case VT_ACKACQ: /* acquire acknowledged, switch completed */
2525 if ((error = finish_vt_acq(vw)) == 0)
2526 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n",
2527 SC_DRIVER_NAME, VT_UNIT(vw));
2538 static struct vt_window *
2539 vt_allocate_window(struct vt_device *vd, unsigned int window)
2541 struct vt_window *vw;
2542 struct terminal *tm;
2546 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO);
2548 vw->vw_number = window;
2549 vw->vw_kbdmode = K_XLATE;
2551 if ((vd->vd_flags & VDF_TEXTMODE) == 0) {
2552 vw->vw_font = vtfont_ref(&vt_font_default);
2553 vt_compute_drawable_area(vw);
2556 vt_termsize(vd, vw->vw_font, &size);
2557 vt_winsize(vd, vw->vw_font, &wsz);
2558 vtbuf_init(&vw->vw_buf, &size);
2560 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw);
2561 terminal_set_winsize(tm, &wsz);
2562 vd->vd_windows[window] = vw;
2563 callout_init(&vw->vw_proc_dead_timer, 0);
2569 vt_upgrade(struct vt_device *vd)
2571 struct vt_window *vw;
2573 int register_handlers;
2575 if (!vty_enabled(VTY_VT))
2577 if (main_vd->vd_driver == NULL)
2580 for (i = 0; i < VT_MAXWINDOWS; i++) {
2581 vw = vd->vd_windows[i];
2584 vw = vt_allocate_window(vd, i);
2586 if (!(vw->vw_flags & VWF_READY)) {
2587 callout_init(&vw->vw_proc_dead_timer, 0);
2588 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw));
2589 vw->vw_flags |= VWF_READY;
2590 if (vw->vw_flags & VWF_CONSOLE) {
2591 /* For existing console window. */
2592 EVENTHANDLER_REGISTER(shutdown_pre_sync,
2593 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT);
2599 if (vd->vd_curwindow == NULL)
2600 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW];
2602 register_handlers = 0;
2603 if (!(vd->vd_flags & VDF_ASYNC)) {
2604 /* Attach keyboard. */
2605 vt_allocate_keyboard(vd);
2607 /* Init 25 Hz timer. */
2608 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0);
2610 /* Start timer when everything ready. */
2611 vd->vd_flags |= VDF_ASYNC;
2612 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd);
2613 vd->vd_timer_armed = 1;
2614 register_handlers = 1;
2619 /* Refill settings with new sizes. */
2622 if (register_handlers) {
2623 /* Register suspend/resume handlers. */
2624 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler,
2625 vd, EVENTHANDLER_PRI_ANY);
2626 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd,
2627 EVENTHANDLER_PRI_ANY);
2632 vt_resize(struct vt_device *vd)
2634 struct vt_window *vw;
2637 for (i = 0; i < VT_MAXWINDOWS; i++) {
2638 vw = vd->vd_windows[i];
2640 /* Assign default font to window, if not textmode. */
2641 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL)
2642 vw->vw_font = vtfont_ref(&vt_font_default);
2645 /* Resize terminal windows */
2646 while (vt_change_font(vw, vw->vw_font) == EBUSY) {
2647 DPRINTF(100, "%s: vt_change_font() is busy, "
2648 "window %d\n", __func__, i);
2654 vt_replace_backend(const struct vt_driver *drv, void *softc)
2656 struct vt_device *vd;
2660 if (vd->vd_flags & VDF_ASYNC) {
2661 /* Stop vt_flush periodic task. */
2663 vt_suspend_flush_timer(vd);
2666 * Mute current terminal until we done. vt_change_font (called
2667 * from vt_resize) will unmute it.
2669 terminal_mute(vd->vd_curwindow->vw_terminal, 1);
2673 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will
2677 vd->vd_flags &= ~VDF_TEXTMODE;
2681 * We want to upgrade from the current driver to the
2685 vd->vd_prev_driver = vd->vd_driver;
2686 vd->vd_prev_softc = vd->vd_softc;
2687 vd->vd_driver = drv;
2688 vd->vd_softc = softc;
2690 vd->vd_driver->vd_init(vd);
2691 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) {
2693 * No driver given: we want to downgrade to the previous
2696 const struct vt_driver *old_drv;
2699 old_drv = vd->vd_driver;
2700 old_softc = vd->vd_softc;
2702 vd->vd_driver = vd->vd_prev_driver;
2703 vd->vd_softc = vd->vd_prev_softc;
2704 vd->vd_prev_driver = NULL;
2705 vd->vd_prev_softc = NULL;
2707 vd->vd_flags |= VDF_DOWNGRADE;
2709 vd->vd_driver->vd_init(vd);
2711 if (old_drv->vd_fini)
2712 old_drv->vd_fini(vd, old_softc);
2714 vd->vd_flags &= ~VDF_DOWNGRADE;
2719 /* Update windows sizes and initialize last items. */
2723 if (vd->vd_flags & VDF_SPLASH)
2727 if (vd->vd_flags & VDF_ASYNC) {
2728 /* Allow to put chars now. */
2729 terminal_mute(vd->vd_curwindow->vw_terminal, 0);
2730 /* Rerun timer for screen updates. */
2731 vt_resume_flush_timer(vd, 0);
2735 * Register as console. If it already registered, cnadd() will ignore
2738 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal);
2742 vt_suspend_handler(void *priv)
2744 struct vt_device *vd;
2747 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL)
2748 vd->vd_driver->vd_suspend(vd);
2752 vt_resume_handler(void *priv)
2754 struct vt_device *vd;
2757 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL)
2758 vd->vd_driver->vd_resume(vd);
2762 vt_allocate(const struct vt_driver *drv, void *softc)
2765 if (!vty_enabled(VTY_VT))
2768 if (main_vd->vd_driver == NULL) {
2769 main_vd->vd_driver = drv;
2770 printf("VT: initialize with new VT driver \"%s\".\n",
2774 * Check if have rights to replace current driver. For example:
2775 * it is bad idea to replace KMS driver with generic VGA one.
2777 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) {
2778 printf("VT: Driver priority %d too low. Current %d\n ",
2779 drv->vd_priority, main_vd->vd_driver->vd_priority);
2782 printf("VT: Replacing driver \"%s\" with new \"%s\".\n",
2783 main_vd->vd_driver->vd_name, drv->vd_name);
2786 vt_replace_backend(drv, softc);
2790 vt_deallocate(const struct vt_driver *drv, void *softc)
2793 if (!vty_enabled(VTY_VT))
2796 if (main_vd->vd_prev_driver == NULL ||
2797 main_vd->vd_driver != drv ||
2798 main_vd->vd_softc != softc)
2801 printf("VT: Switching back from \"%s\" to \"%s\".\n",
2802 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name);
2804 vt_replace_backend(NULL, NULL);
2808 vt_suspend(struct vt_device *vd)
2812 if (vt_suspendswitch == 0)
2814 /* Save current window. */
2815 vd->vd_savedwindow = vd->vd_curwindow;
2816 /* Ask holding process to free window and switch to console window */
2817 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]);
2819 /* Wait for the window switch to complete. */
2822 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0)
2823 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
2828 vt_resume(struct vt_device *vd)
2831 if (vt_suspendswitch == 0)
2833 /* Switch back to saved window, if any */
2834 vt_proc_window_switch(vd->vd_savedwindow);
2835 vd->vd_savedwindow = NULL;