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, 1, "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, 1, "Draw logo style "
144 "(0=Beastie, 1=Alternate beastie, 2=Orb)");
145 VT_SYSCTL_INT(splash_cpu_duration, 10, "Hide logos after (seconds)");
147 static struct vt_device vt_consdev;
148 static unsigned int vt_unit = 0;
149 static MALLOC_DEFINE(M_VT, "vt", "vt device");
150 struct vt_device *main_vd = &vt_consdev;
153 extern unsigned int vt_logo_width;
154 extern unsigned int vt_logo_height;
155 extern unsigned int vt_logo_depth;
156 extern unsigned char vt_logo_image[];
158 #define vtterm_draw_cpu_logos(...)
159 const unsigned int vt_logo_sprite_height;
163 extern struct vt_font vt_font_default;
164 #ifndef SC_NO_CUTPASTE
165 extern struct vt_mouse_cursor vt_default_mouse_pointer;
168 static int signal_vt_rel(struct vt_window *);
169 static int signal_vt_acq(struct vt_window *);
170 static int finish_vt_rel(struct vt_window *, int, int *);
171 static int finish_vt_acq(struct vt_window *);
172 static int vt_window_switch(struct vt_window *);
173 static int vt_late_window_switch(struct vt_window *);
174 static int vt_proc_alive(struct vt_window *);
175 static void vt_resize(struct vt_device *);
176 static void vt_update_static(void *);
177 #ifndef SC_NO_CUTPASTE
178 static void vt_mouse_paste(void);
180 static void vt_suspend_handler(void *priv);
181 static void vt_resume_handler(void *priv);
183 SET_DECLARE(vt_drv_set, struct vt_driver);
185 #define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_DEFAULT_HEIGHT))
186 #define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_DEFAULT_WIDTH))
188 struct terminal vt_consterm;
189 static struct vt_window vt_conswindow;
190 static struct vt_device vt_consdev = {
193 .vd_prev_driver = NULL,
194 .vd_prev_softc = NULL,
195 .vd_flags = VDF_INVALID,
196 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, },
197 .vd_curwindow = &vt_conswindow,
200 #ifndef SC_NO_CUTPASTE
206 .vd_mcursor = &vt_default_mouse_pointer,
207 .vd_mcursor_fg = TC_WHITE,
208 .vd_mcursor_bg = TC_BLACK,
211 static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)];
212 static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE];
213 static struct vt_window vt_conswindow = {
214 .vw_number = VT_CONSWINDOW,
215 .vw_flags = VWF_CONSOLE,
217 .vb_buffer = &vt_constextbuf[0],
218 .vb_rows = &vt_constextbufrows[0],
219 .vb_history_size = VBF_DEFAULT_HISTORY_SIZE,
222 .vb_flags = VBF_STATIC,
223 .vb_mark_start = {.tp_row = 0, .tp_col = 0,},
224 .vb_mark_end = {.tp_row = 0, .tp_col = 0,},
230 .vw_device = &vt_consdev,
231 .vw_terminal = &vt_consterm,
232 .vw_kbdmode = K_XLATE,
235 struct terminal vt_consterm = {
236 .tm_class = &vt_termclass,
237 .tm_softc = &vt_conswindow,
240 static struct consdev vt_consterm_consdev = {
241 .cn_ops = &termcn_cnops,
242 .cn_arg = &vt_consterm,
246 /* Add to set of consoles. */
247 DATA_SET(cons_set, vt_consterm_consdev);
250 * Right after kmem is done to allow early drivers to use locking and allocate
253 SYSINIT(vt_update_static, SI_SUB_KMEM, SI_ORDER_ANY, vt_update_static,
255 /* Delay until all devices attached, to not waste time. */
256 SYSINIT(vt_early_cons, SI_SUB_INT_CONFIG_HOOKS, SI_ORDER_ANY, vt_upgrade,
259 /* Initialize locks/mem depended members. */
261 vt_update_static(void *dummy)
264 if (!vty_enabled(VTY_VT))
266 if (main_vd->vd_driver != NULL)
267 printf("VT: running with driver \"%s\".\n",
268 main_vd->vd_driver->vd_name);
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 vd->vd_width / vf->vf_width * vf->vf_width;
644 vw->vw_draw_area.tr_end.tp_row = vw->vw_draw_area.tr_begin.tp_row +
645 height / vf->vf_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);
1079 if (TCHAR_FORMAT(c) & TF_REVERSE)
1091 #ifndef SC_NO_CUTPASTE
1093 vt_is_cursor_in_area(const struct vt_device *vd, const term_rect_t *area)
1095 unsigned int mx, my;
1098 * We use the cursor position saved during the current refresh,
1099 * in case the cursor moved since.
1101 mx = vd->vd_mx_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_col;
1102 my = vd->vd_my_drawn + vd->vd_curwindow->vw_draw_area.tr_begin.tp_row;
1104 if (mx >= area->tr_end.tp_col ||
1105 mx + vd->vd_mcursor->width <= area->tr_begin.tp_col ||
1106 my >= area->tr_end.tp_row ||
1107 my + vd->vd_mcursor->height <= area->tr_begin.tp_row)
1113 vt_mark_mouse_position_as_dirty(struct vt_device *vd)
1116 struct vt_window *vw;
1120 vw = vd->vd_curwindow;
1123 x = vd->vd_mx_drawn;
1124 y = vd->vd_my_drawn;
1127 area.tr_begin.tp_col = x / vf->vf_width;
1128 area.tr_begin.tp_row = y / vf->vf_height;
1129 area.tr_end.tp_col =
1130 ((x + vd->vd_mcursor->width) / vf->vf_width) + 1;
1131 area.tr_end.tp_row =
1132 ((y + vd->vd_mcursor->height) / vf->vf_height) + 1;
1135 * No font loaded (ie. vt_vga operating in textmode).
1137 * FIXME: This fake area needs to be revisited once the
1138 * mouse cursor is supported in vt_vga's textmode.
1140 area.tr_begin.tp_col = x;
1141 area.tr_begin.tp_row = y;
1142 area.tr_end.tp_col = x + 2;
1143 area.tr_end.tp_row = y + 2;
1146 vtbuf_dirty(&vw->vw_buf, &area);
1151 vt_flush(struct vt_device *vd)
1153 struct vt_window *vw;
1156 #ifndef SC_NO_CUTPASTE
1157 int cursor_was_shown, cursor_moved;
1160 vw = vd->vd_curwindow;
1164 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY)
1168 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL))
1171 #ifndef SC_NO_CUTPASTE
1172 cursor_was_shown = vd->vd_mshown;
1173 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn ||
1174 vd->vd_my != vd->vd_my_drawn);
1176 /* Check if the cursor should be displayed or not. */
1177 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */
1178 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */
1179 !kdb_active && panicstr == NULL) { /* DDB inactive. */
1186 * If the cursor changed display state or moved, we must mark
1187 * the old position as dirty, so that it's erased.
1189 if (cursor_was_shown != vd->vd_mshown ||
1190 (vd->vd_mshown && cursor_moved))
1191 vt_mark_mouse_position_as_dirty(vd);
1194 * Save position of the mouse cursor. It's used by backends to
1195 * know where to draw the cursor and during the next refresh to
1196 * erase the previous position.
1198 vd->vd_mx_drawn = vd->vd_mx;
1199 vd->vd_my_drawn = vd->vd_my;
1202 * If the cursor is displayed and has moved since last refresh,
1203 * mark the new position as dirty.
1205 if (vd->vd_mshown && cursor_moved)
1206 vt_mark_mouse_position_as_dirty(vd);
1209 vtbuf_undirty(&vw->vw_buf, &tarea);
1211 /* Force a full redraw when the screen contents are invalid. */
1212 if (vd->vd_flags & VDF_INVALID) {
1213 vd->vd_flags &= ~VDF_INVALID;
1215 vt_termrect(vd, vf, &tarea);
1216 if (vt_draw_logo_cpus)
1217 vtterm_draw_cpu_logos(vd);
1220 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) {
1221 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea);
1231 struct vt_device *vd;
1235 /* Update screen if required. */
1236 changed = vt_flush(vd);
1238 /* Schedule for next update. */
1240 vt_schedule_flush(vd, 0);
1242 vd->vd_timer_armed = 0;
1246 vtterm_done(struct terminal *tm)
1248 struct vt_window *vw = tm->tm_softc;
1249 struct vt_device *vd = vw->vw_device;
1251 if (kdb_active || panicstr != NULL) {
1252 /* Switch to the debugger. */
1253 if (vd->vd_curwindow != vw) {
1254 vd->vd_curwindow = vw;
1255 vd->vd_flags |= VDF_INVALID;
1256 if (vd->vd_driver->vd_postswitch)
1257 vd->vd_driver->vd_postswitch(vd);
1259 vd->vd_flags &= ~VDF_SPLASH;
1261 } else if (!(vd->vd_flags & VDF_ASYNC)) {
1268 vtterm_splash(struct vt_device *vd)
1270 vt_axis_t top, left;
1272 /* Display a nice boot splash. */
1273 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) {
1275 top = (vd->vd_height - vt_logo_height) / 2;
1276 left = (vd->vd_width - vt_logo_width) / 2;
1277 switch (vt_logo_depth) {
1279 /* XXX: Unhardcode colors! */
1280 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow,
1281 vt_logo_image, NULL, vt_logo_width, vt_logo_height,
1282 left, top, TC_WHITE, TC_BLACK);
1284 vd->vd_flags |= VDF_SPLASH;
1291 vtterm_cnprobe(struct terminal *tm, struct consdev *cp)
1293 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL;
1294 struct vt_window *vw = tm->tm_softc;
1295 struct vt_device *vd = vw->vw_device;
1300 if (!vty_enabled(VTY_VT))
1303 if (vd->vd_flags & VDF_INITIALIZED)
1304 /* Initialization already done. */
1307 SET_FOREACH(vtdlist, vt_drv_set) {
1309 if (vtd->vd_probe == NULL)
1311 if (vtd->vd_probe(vd) == CN_DEAD)
1313 if ((vtdbest == NULL) ||
1314 (vtd->vd_priority > vtdbest->vd_priority))
1317 if (vtdbest == NULL) {
1318 cp->cn_pri = CN_DEAD;
1319 vd->vd_flags |= VDF_DEAD;
1321 vd->vd_driver = vtdbest;
1322 cp->cn_pri = vd->vd_driver->vd_init(vd);
1325 /* Check if driver's vt_init return CN_DEAD. */
1326 if (cp->cn_pri == CN_DEAD) {
1327 vd->vd_flags |= VDF_DEAD;
1330 /* Initialize any early-boot keyboard drivers */
1331 kbd_configure(KB_CONF_PROBE_ONLY);
1333 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1);
1334 vd->vd_windows[VT_CONSWINDOW] = vw;
1335 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw));
1337 /* Attach default font if not in TEXTMODE. */
1338 if ((vd->vd_flags & VDF_TEXTMODE) == 0) {
1339 vw->vw_font = vtfont_ref(&vt_font_default);
1340 vt_compute_drawable_area(vw);
1344 * The original screen size was faked (_VTDEFW x _VTDEFH). Now
1345 * that we have the real viewable size, fix it in the static
1348 if (vd->vd_width != 0 && vd->vd_height != 0)
1349 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size);
1351 vtbuf_init_early(&vw->vw_buf);
1352 vt_winsize(vd, vw->vw_font, &wsz);
1353 c = (boothowto & RB_MUTE) == 0 ? TERMINAL_KERN_ATTR :
1355 attr.ta_format = TCHAR_FORMAT(c);
1356 attr.ta_fgcolor = TCHAR_FGCOLOR(c);
1357 attr.ta_bgcolor = TCHAR_BGCOLOR(c);
1358 terminal_set_winsize_blank(tm, &wsz, 1, &attr);
1360 if (vtdbest != NULL) {
1365 vd->vd_flags |= VDF_INITIALIZED;
1370 vtterm_cngetc(struct terminal *tm)
1372 struct vt_window *vw = tm->tm_softc;
1373 struct vt_device *vd = vw->vw_device;
1377 if (vw->vw_kbdsq && *vw->vw_kbdsq)
1378 return (*vw->vw_kbdsq++);
1380 /* Make sure the splash screen is not there. */
1381 if (vd->vd_flags & VDF_SPLASH) {
1383 vd->vd_flags &= ~VDF_SPLASH;
1384 /* Mark screen as invalid to force update */
1385 vd->vd_flags |= VDF_INVALID;
1389 /* Stripped down keyboard handler. */
1390 kbd = kbd_get_keyboard(vd->vd_keyboard);
1394 /* Force keyboard input mode to K_XLATE */
1395 vw->vw_kbdmode = K_XLATE;
1396 vt_update_kbd_mode(vw, kbd);
1398 /* Switch the keyboard to polling to make it work here. */
1399 kbdd_poll(kbd, TRUE);
1400 c = kbdd_read_char(kbd, 0);
1401 kbdd_poll(kbd, FALSE);
1405 if (vw->vw_flags & VWF_SCROLL) {
1406 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */);
1411 /* Stripped down handling of vt_kbdevent(), without locking, etc. */
1415 vt_save_kbd_state(vw, kbd);
1416 if (vw->vw_kbdstate & SLKED) {
1417 /* Turn scrolling on. */
1418 vw->vw_flags |= VWF_SCROLL;
1419 VTBUF_SLCK_ENABLE(&vw->vw_buf);
1421 /* Turn scrolling off. */
1422 vt_scroll(vw, 0, VHS_END);
1423 vw->vw_flags &= ~VWF_SCROLL;
1424 VTBUF_SLCK_DISABLE(&vw->vw_buf);
1427 /* XXX: KDB can handle history. */
1428 case SPCLKEY | FKEY | F(50): /* Arrow up. */
1429 vw->vw_kbdsq = "\x1b[A";
1431 case SPCLKEY | FKEY | F(58): /* Arrow down. */
1432 vw->vw_kbdsq = "\x1b[B";
1434 case SPCLKEY | FKEY | F(55): /* Arrow right. */
1435 vw->vw_kbdsq = "\x1b[C";
1437 case SPCLKEY | FKEY | F(53): /* Arrow left. */
1438 vw->vw_kbdsq = "\x1b[D";
1442 /* Force refresh to make scrollback work. */
1444 } else if (KEYFLAGS(c) == 0) {
1445 return (KEYCHAR(c));
1448 if (vw->vw_kbdsq && *vw->vw_kbdsq)
1449 return (*vw->vw_kbdsq++);
1455 vtterm_cngrab(struct terminal *tm)
1457 struct vt_device *vd;
1458 struct vt_window *vw;
1465 vt_window_switch(vw);
1467 kbd = kbd_get_keyboard(vd->vd_keyboard);
1471 if (vw->vw_grabbed++ > 0)
1475 * Make sure the keyboard is accessible even when the kbd device
1476 * driver is disabled.
1480 /* We shall always use the keyboard in the XLATE mode here. */
1481 vw->vw_prev_kbdmode = vw->vw_kbdmode;
1482 vw->vw_kbdmode = K_XLATE;
1483 vt_update_kbd_mode(vw, kbd);
1485 kbdd_poll(kbd, TRUE);
1489 vtterm_cnungrab(struct terminal *tm)
1491 struct vt_device *vd;
1492 struct vt_window *vw;
1498 kbd = kbd_get_keyboard(vd->vd_keyboard);
1502 if (--vw->vw_grabbed > 0)
1505 kbdd_poll(kbd, FALSE);
1507 vw->vw_kbdmode = vw->vw_prev_kbdmode;
1508 vt_update_kbd_mode(vw, kbd);
1513 vtterm_opened(struct terminal *tm, int opened)
1515 struct vt_window *vw = tm->tm_softc;
1516 struct vt_device *vd = vw->vw_device;
1519 vd->vd_flags &= ~VDF_SPLASH;
1521 vw->vw_flags |= VWF_OPENED;
1523 vw->vw_flags &= ~VWF_OPENED;
1524 /* TODO: finish ACQ/REL */
1530 vt_set_border(struct vt_window *vw, term_color_t c)
1532 struct vt_device *vd = vw->vw_device;
1534 if (vd->vd_driver->vd_drawrect == NULL)
1538 if (vw->vw_draw_area.tr_begin.tp_row > 0)
1539 vd->vd_driver->vd_drawrect(vd,
1541 vd->vd_width - 1, vw->vw_draw_area.tr_begin.tp_row - 1,
1545 if (vw->vw_draw_area.tr_begin.tp_col > 0)
1546 vd->vd_driver->vd_drawrect(vd,
1548 vw->vw_draw_area.tr_begin.tp_col - 1, vd->vd_height - 1,
1552 if (vw->vw_draw_area.tr_end.tp_col < vd->vd_width)
1553 vd->vd_driver->vd_drawrect(vd,
1554 vw->vw_draw_area.tr_end.tp_col - 1, 0,
1555 vd->vd_width - 1, vd->vd_height - 1,
1559 if (vw->vw_draw_area.tr_end.tp_row < vd->vd_height)
1560 vd->vd_driver->vd_drawrect(vd,
1561 0, vw->vw_draw_area.tr_end.tp_row - 1,
1562 vd->vd_width - 1, vd->vd_height - 1,
1569 vt_change_font(struct vt_window *vw, struct vt_font *vf)
1571 struct vt_device *vd = vw->vw_device;
1572 struct terminal *tm = vw->vw_terminal;
1579 * Changing fonts is a little tricky. We must prevent
1580 * simultaneous access to the device, so we must stop
1581 * the display timer and the terminal from accessing.
1582 * We need to switch fonts and grow our screen buffer.
1584 * XXX: Right now the code uses terminal_mute() to
1585 * prevent data from reaching the console driver while
1586 * resizing the screen buffer. This isn't elegant...
1590 if (vw->vw_flags & VWF_BUSY) {
1591 /* Another process is changing the font. */
1595 vw->vw_flags |= VWF_BUSY;
1598 vt_termsize(vd, vf, &size);
1599 vt_winsize(vd, vf, &wsz);
1601 /* Grow the screen buffer and terminal. */
1602 terminal_mute(tm, 1);
1603 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size);
1604 terminal_set_winsize_blank(tm, &wsz, 0, NULL);
1605 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor);
1606 terminal_mute(tm, 0);
1608 /* Actually apply the font to the current window. */
1610 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) {
1612 * In case vt_change_font called to update size we don't need
1613 * to update font link.
1615 vtfont_unref(vw->vw_font);
1616 vw->vw_font = vtfont_ref(vf);
1620 * Compute the drawable area and move the mouse cursor inside
1621 * it, in case the new area is smaller than the previous one.
1623 vt_compute_drawable_area(vw);
1624 vd->vd_mx = min(vd->vd_mx,
1625 vw->vw_draw_area.tr_end.tp_col -
1626 vw->vw_draw_area.tr_begin.tp_col - 1);
1627 vd->vd_my = min(vd->vd_my,
1628 vw->vw_draw_area.tr_end.tp_row -
1629 vw->vw_draw_area.tr_begin.tp_row - 1);
1631 /* Force a full redraw the next timer tick. */
1632 if (vd->vd_curwindow == vw) {
1633 vt_set_border(vw, TC_BLACK);
1634 vd->vd_flags |= VDF_INVALID;
1635 vt_resume_flush_timer(vw->vw_device, 0);
1637 vw->vw_flags &= ~VWF_BUSY;
1643 vt_proc_alive(struct vt_window *vw)
1647 if (vw->vw_smode.mode != VT_PROCESS)
1651 if ((p = pfind(vw->vw_pid)) != NULL)
1653 if (vw->vw_proc == p)
1656 vw->vw_smode.mode = VT_AUTO;
1657 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid);
1664 signal_vt_rel(struct vt_window *vw)
1667 if (vw->vw_smode.mode != VT_PROCESS)
1669 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1674 vw->vw_flags |= VWF_SWWAIT_REL;
1675 PROC_LOCK(vw->vw_proc);
1676 kern_psignal(vw->vw_proc, vw->vw_smode.relsig);
1677 PROC_UNLOCK(vw->vw_proc);
1678 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid);
1683 signal_vt_acq(struct vt_window *vw)
1686 if (vw->vw_smode.mode != VT_PROCESS)
1688 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
1689 cnavailable(vw->vw_terminal->consdev, FALSE);
1690 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1695 vw->vw_flags |= VWF_SWWAIT_ACQ;
1696 PROC_LOCK(vw->vw_proc);
1697 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig);
1698 PROC_UNLOCK(vw->vw_proc);
1699 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid);
1704 finish_vt_rel(struct vt_window *vw, int release, int *s)
1707 if (vw->vw_flags & VWF_SWWAIT_REL) {
1708 vw->vw_flags &= ~VWF_SWWAIT_REL;
1710 callout_drain(&vw->vw_proc_dead_timer);
1711 vt_late_window_switch(vw->vw_switch_to);
1719 finish_vt_acq(struct vt_window *vw)
1722 if (vw->vw_flags & VWF_SWWAIT_ACQ) {
1723 vw->vw_flags &= ~VWF_SWWAIT_ACQ;
1729 #ifndef SC_NO_CUTPASTE
1731 vt_mouse_terminput_button(struct vt_device *vd, int button)
1733 struct vt_window *vw;
1735 char mouseb[6] = "\x1B[M";
1738 vw = vd->vd_curwindow;
1741 /* Translate to char position. */
1742 x = vd->vd_mx / vf->vf_width;
1743 y = vd->vd_my / vf->vf_height;
1744 /* Avoid overflow. */
1745 x = MIN(x, 255 - '!');
1746 y = MIN(y, 255 - '!');
1748 mouseb[3] = ' ' + button;
1749 mouseb[4] = '!' + x;
1750 mouseb[5] = '!' + y;
1752 for (i = 0; i < sizeof(mouseb); i++)
1753 terminal_input_char(vw->vw_terminal, mouseb[i]);
1757 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event,
1762 case MOUSE_BUTTON_EVENT:
1764 /* Mouse button pressed. */
1765 if (event & MOUSE_BUTTON1DOWN)
1766 vt_mouse_terminput_button(vd, 0);
1767 if (event & MOUSE_BUTTON2DOWN)
1768 vt_mouse_terminput_button(vd, 1);
1769 if (event & MOUSE_BUTTON3DOWN)
1770 vt_mouse_terminput_button(vd, 2);
1772 /* Mouse button released. */
1773 vt_mouse_terminput_button(vd, 3);
1777 case MOUSE_MOTION_EVENT:
1778 if (mouse->u.data.z < 0) {
1780 sc_mouse_input_button(vd, 64);
1781 } else if (mouse->u.data.z > 0) {
1783 sc_mouse_input_button(vd, 65);
1796 len = VD_PASTEBUFLEN(main_vd);
1797 buf = VD_PASTEBUF(main_vd);
1798 len /= sizeof(term_char_t);
1799 for (i = 0; i < len; i++) {
1802 terminal_input_char(main_vd->vd_curwindow->vw_terminal,
1808 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel)
1810 struct vt_device *vd;
1811 struct vt_window *vw;
1817 vw = vd->vd_curwindow;
1821 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS))
1823 * Either the mouse is disabled, or the window is in
1824 * "graphics mode". The graphics mode is usually set by
1825 * an X server, using the KDSETMODE ioctl.
1829 if (vf == NULL) /* Text mode. */
1833 * TODO: add flag about pointer position changed, to not redraw chars
1834 * under mouse pointer when nothing changed.
1837 if (vw->vw_mouse_level > 0)
1838 vt_mouse_terminput(vd, type, x, y, event, cnt);
1842 case MOUSE_MOTION_EVENT:
1847 vt_termsize(vd, vf, &size);
1852 x = MIN(x, (size.tp_col * vf->vf_width) - 1);
1853 y = MIN(y, (size.tp_row * vf->vf_height) - 1);
1857 if (vd->vd_mstate & MOUSE_BUTTON1DOWN)
1858 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE,
1859 vd->vd_mx / vf->vf_width,
1860 vd->vd_my / vf->vf_height);
1862 vt_resume_flush_timer(vw->vw_device, 0);
1864 case MOUSE_BUTTON_EVENT:
1872 case MOUSE_BUTTON1DOWN:
1875 mark = VTB_MARK_END;
1877 case 1: /* single click: start cut operation */
1878 mark = VTB_MARK_START;
1880 case 2: /* double click: cut a word */
1881 mark = VTB_MARK_WORD;
1883 case 3: /* triple click: cut a line */
1884 mark = VTB_MARK_ROW;
1888 case VT_MOUSE_PASTEBUTTON:
1897 case VT_MOUSE_EXTENDBUTTON:
1900 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN))
1901 mark = VTB_MARK_EXTEND;
1906 mark = VTB_MARK_EXTEND;
1914 /* Save buttons state. */
1916 vd->vd_mstate |= event;
1918 vd->vd_mstate &= ~event;
1920 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width,
1921 vd->vd_my / vf->vf_height) == 1) {
1923 * We have something marked to copy, so update pointer to
1924 * window with selection.
1926 vt_resume_flush_timer(vw->vw_device, 0);
1932 case VTB_MARK_EXTEND:
1935 /* Other types of mark do not require to copy data. */
1939 /* Get current selection size in bytes. */
1940 len = vtbuf_get_marked_len(&vw->vw_buf);
1944 /* Reallocate buffer only if old one is too small. */
1945 if (len > VD_PASTEBUFSZ(vd)) {
1946 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT,
1948 /* Update buffer size. */
1949 VD_PASTEBUFSZ(vd) = len;
1951 /* Request copy/paste buffer data, no more than `len' */
1952 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd),
1955 VD_PASTEBUFLEN(vd) = len;
1957 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */
1962 vt_mouse_state(int show)
1964 struct vt_device *vd;
1965 struct vt_window *vw;
1968 vw = vd->vd_curwindow;
1972 vw->vw_flags |= VWF_MOUSE_HIDE;
1975 vw->vw_flags &= ~VWF_MOUSE_HIDE;
1979 /* Mark mouse position as dirty. */
1980 vt_mark_mouse_position_as_dirty(vd);
1981 vt_resume_flush_timer(vw->vw_device, 0);
1986 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr,
1987 int nprot, vm_memattr_t *memattr)
1989 struct vt_window *vw = tm->tm_softc;
1990 struct vt_device *vd = vw->vw_device;
1992 if (vd->vd_driver->vd_fb_mmap)
1993 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot,
2000 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data,
2003 struct vt_window *vw = tm->tm_softc;
2004 struct vt_device *vd = vw->vw_device;
2007 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
2008 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
2019 cmd = VT_WAITACTIVE;
2045 ival = IOCPARM_IVAL(data);
2046 data = (caddr_t)&ival;
2051 case KDSETRAD: /* set keyboard repeat & delay rates (old) */
2052 if (*(int *)data & ~0x7f)
2057 case GIO_DEADKEYMAP:
2058 case PIO_DEADKEYMAP:
2063 case KDGETREPEAT: /* get keyboard repeat & delay rates */
2064 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
2065 case KBADDKBD: /* add/remove keyboard to/from mux */
2070 kbd = kbd_get_keyboard(vd->vd_keyboard);
2072 error = kbdd_ioctl(kbd, cmd, data);
2074 if (error == ENOIOCTL) {
2075 if (cmd == KDGKBTYPE) {
2076 /* always return something? XXX */
2084 case KDGKBSTATE: { /* get keyboard state (locks) */
2087 if (vw == vd->vd_curwindow) {
2089 kbd = kbd_get_keyboard(vd->vd_keyboard);
2091 error = vt_save_kbd_state(vw, kbd);
2098 *(int *)data = vw->vw_kbdstate & LOCK_MASK;
2102 case KDSKBSTATE: { /* set keyboard state (locks) */
2105 state = *(int *)data;
2106 if (state & ~LOCK_MASK)
2109 vw->vw_kbdstate &= ~LOCK_MASK;
2110 vw->vw_kbdstate |= state;
2113 if (vw == vd->vd_curwindow) {
2115 kbd = kbd_get_keyboard(vd->vd_keyboard);
2117 error = vt_update_kbd_state(vw, kbd);
2123 case KDGETLED: { /* get keyboard LED status */
2126 if (vw == vd->vd_curwindow) {
2128 kbd = kbd_get_keyboard(vd->vd_keyboard);
2130 error = vt_save_kbd_leds(vw, kbd);
2137 *(int *)data = vw->vw_kbdstate & LED_MASK;
2141 case KDSETLED: { /* set keyboard LED status */
2144 leds = *(int *)data;
2145 if (leds & ~LED_MASK)
2148 vw->vw_kbdstate &= ~LED_MASK;
2149 vw->vw_kbdstate |= leds;
2152 if (vw == vd->vd_curwindow) {
2154 kbd = kbd_get_keyboard(vd->vd_keyboard);
2156 error = vt_update_kbd_leds(vw, kbd);
2165 if (vw == vd->vd_curwindow) {
2167 kbd = kbd_get_keyboard(vd->vd_keyboard);
2169 error = vt_save_kbd_mode(vw, kbd);
2176 *(int *)data = vw->vw_kbdmode;
2183 mode = *(int *)data;
2188 vw->vw_kbdmode = mode;
2191 if (vw == vd->vd_curwindow) {
2193 kbd = kbd_get_keyboard(vd->vd_keyboard);
2195 error = vt_update_kbd_mode(vw, kbd);
2205 case FBIO_GETWINORG: /* get frame buffer window origin */
2206 case FBIO_GETDISPSTART: /* get display start address */
2207 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
2208 case FBIO_BLANK: /* blank display */
2209 if (vd->vd_driver->vd_fb_ioctl)
2210 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td));
2212 case CONS_BLANKTIME:
2217 *(int *)data = M_CG640x480;
2219 case CONS_BELLTYPE: /* set bell type sound */
2220 if ((*(int *)data) & CONS_QUIET_BELL)
2221 vd->vd_flags |= VDF_QUIET_BELL;
2223 vd->vd_flags &= ~VDF_QUIET_BELL;
2225 case CONS_GETINFO: {
2226 vid_info_t *vi = (vid_info_t *)data;
2227 if (vi->size != sizeof(struct vid_info))
2230 if (vw == vd->vd_curwindow) {
2231 kbd = kbd_get_keyboard(vd->vd_keyboard);
2233 vt_save_kbd_state(vw, kbd);
2236 vi->m_num = vd->vd_curwindow->vw_number + 1;
2237 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK;
2238 /* XXX: other fields! */
2242 *(int *)data = 0x200;
2247 case CONS_MOUSECTL: {
2248 mouse_info_t *mouse = (mouse_info_t*)data;
2251 * All the commands except MOUSE_SHOW nd MOUSE_HIDE
2252 * should not be applied to individual TTYs, but only to
2255 switch (mouse->operation) {
2257 if (vd->vd_flags & VDF_MOUSECURSOR) {
2258 vd->vd_flags &= ~VDF_MOUSECURSOR;
2259 #ifndef SC_NO_CUTPASTE
2260 vt_mouse_state(VT_MOUSE_HIDE);
2265 if (!(vd->vd_flags & VDF_MOUSECURSOR)) {
2266 vd->vd_flags |= VDF_MOUSECURSOR;
2267 vd->vd_mx = vd->vd_width / 2;
2268 vd->vd_my = vd->vd_height / 2;
2269 #ifndef SC_NO_CUTPASTE
2270 vt_mouse_state(VT_MOUSE_SHOW);
2281 if (vd->vd_flags & VDF_TEXTMODE)
2284 error = vtfont_load((void *)data, &vf);
2288 error = vt_change_font(vw, vf);
2292 case PIO_VFONT_DEFAULT: {
2293 /* Reset to default font. */
2294 error = vt_change_font(vw, &vt_font_default);
2298 scrmap_t *sm = (scrmap_t *)data;
2300 /* We don't have screen maps, so return a handcrafted one. */
2301 for (i = 0; i < 256; i++)
2307 * FIXME: This implementation is incomplete compared to
2310 switch (*(int *)data) {
2314 vw->vw_flags &= ~VWF_GRAPHICS;
2317 vw->vw_flags |= VWF_GRAPHICS;
2321 case KDENABIO: /* allow io operations */
2322 error = priv_check(td, PRIV_IO);
2325 error = securelevel_gt(td->td_ucred, 0);
2328 #if defined(__i386__)
2329 td->td_frame->tf_eflags |= PSL_IOPL;
2330 #elif defined(__amd64__)
2331 td->td_frame->tf_rflags |= PSL_IOPL;
2334 case KDDISABIO: /* disallow io operations (default) */
2335 #if defined(__i386__)
2336 td->td_frame->tf_eflags &= ~PSL_IOPL;
2337 #elif defined(__amd64__)
2338 td->td_frame->tf_rflags &= ~PSL_IOPL;
2341 case KDMKTONE: /* sound the bell */
2342 vtterm_beep(tm, *(u_int *)data);
2344 case KIOCSOUND: /* make tone (*data) hz */
2347 case CONS_SETKBD: /* set the new keyboard */
2350 if (vd->vd_keyboard != *(int *)data) {
2351 kbd = kbd_get_keyboard(*(int *)data);
2356 i = kbd_allocate(kbd->kb_name, kbd->kb_unit,
2357 (void *)vd, vt_kbdevent, vd);
2359 if (vd->vd_keyboard != -1) {
2360 vt_save_kbd_state(vd->vd_curwindow, kbd);
2361 kbd_release(kbd, (void *)vd);
2363 kbd = kbd_get_keyboard(i);
2364 vd->vd_keyboard = i;
2366 vt_update_kbd_mode(vd->vd_curwindow, kbd);
2367 vt_update_kbd_state(vd->vd_curwindow, kbd);
2369 error = EPERM; /* XXX */
2374 case CONS_RELKBD: /* release the current keyboard */
2377 if (vd->vd_keyboard != -1) {
2378 kbd = kbd_get_keyboard(vd->vd_keyboard);
2383 vt_save_kbd_state(vd->vd_curwindow, kbd);
2384 error = kbd_release(kbd, (void *)vd);
2386 vd->vd_keyboard = -1;
2393 win = *(int *)data - 1;
2394 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME,
2396 if ((win >= VT_MAXWINDOWS) || (win < 0))
2398 return (vt_proc_window_switch(vd->vd_windows[win]));
2401 *(int *)data = vd->vd_curwindow->vw_number + 1;
2404 *(int *)data = vw->vw_number + 1;
2407 /* TODO: Check current state, switching can be in progress. */
2408 if ((*(int *)data) == 0x01)
2409 vw->vw_flags |= VWF_VTYLOCK;
2410 else if ((*(int *)data) == 0x02)
2411 vw->vw_flags &= ~VWF_VTYLOCK;
2417 for (i = 0; i < VT_MAXWINDOWS; i++) {
2418 vw = vd->vd_windows[i];
2421 if (!(vw->vw_flags & VWF_OPENED)) {
2422 *(int *)data = vw->vw_number + 1;
2429 case VT_WAITACTIVE: {
2434 idx = *(unsigned int *)data;
2435 if (idx > VT_MAXWINDOWS)
2438 vw = vd->vd_windows[idx - 1];
2441 while (vd->vd_curwindow != vw && error == 0)
2442 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
2446 case VT_SETMODE: { /* set screen switcher mode */
2447 struct vt_mode *mode;
2450 mode = (struct vt_mode *)data;
2451 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw));
2452 if (vw->vw_smode.mode == VT_PROCESS) {
2453 p1 = pfind(vw->vw_pid);
2454 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) {
2457 DPRINTF(5, "error EPERM\n");
2463 if (mode->mode == VT_AUTO) {
2464 vw->vw_smode.mode = VT_AUTO;
2467 DPRINTF(5, "VT_AUTO, ");
2468 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
2469 cnavailable(vw->vw_terminal->consdev, TRUE);
2470 /* were we in the middle of the vty switching process? */
2471 if (finish_vt_rel(vw, TRUE, &s) == 0)
2472 DPRINTF(5, "reset WAIT_REL, ");
2473 if (finish_vt_acq(vw) == 0)
2474 DPRINTF(5, "reset WAIT_ACQ, ");
2476 } else if (mode->mode == VT_PROCESS) {
2477 if (!ISSIGVALID(mode->relsig) ||
2478 !ISSIGVALID(mode->acqsig) ||
2479 !ISSIGVALID(mode->frsig)) {
2480 DPRINTF(5, "error EINVAL\n");
2483 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid);
2484 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode));
2485 vw->vw_proc = td->td_proc;
2486 vw->vw_pid = vw->vw_proc->p_pid;
2487 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
2488 cnavailable(vw->vw_terminal->consdev, FALSE);
2490 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n",
2497 case VT_GETMODE: /* get screen switcher mode */
2498 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode));
2501 case VT_RELDISP: /* screen switcher ioctl */
2503 * This must be the current vty which is in the VT_PROCESS
2506 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode !=
2510 /* ...and this process is controlling it. */
2511 if (vw->vw_proc != td->td_proc) {
2515 switch(*(int *)data) {
2516 case VT_FALSE: /* user refuses to release screen, abort */
2517 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0)
2518 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n",
2519 SC_DRIVER_NAME, VT_UNIT(vw));
2521 case VT_TRUE: /* user has released screen, go on */
2522 /* finish_vt_rel(..., TRUE, ...) should not be locked */
2523 if (vw->vw_flags & VWF_SWWAIT_REL) {
2524 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0)
2525 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n",
2526 SC_DRIVER_NAME, VT_UNIT(vw));
2531 case VT_ACKACQ: /* acquire acknowledged, switch completed */
2532 if ((error = finish_vt_acq(vw)) == 0)
2533 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n",
2534 SC_DRIVER_NAME, VT_UNIT(vw));
2545 static struct vt_window *
2546 vt_allocate_window(struct vt_device *vd, unsigned int window)
2548 struct vt_window *vw;
2549 struct terminal *tm;
2553 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO);
2555 vw->vw_number = window;
2556 vw->vw_kbdmode = K_XLATE;
2558 if ((vd->vd_flags & VDF_TEXTMODE) == 0) {
2559 vw->vw_font = vtfont_ref(&vt_font_default);
2560 vt_compute_drawable_area(vw);
2563 vt_termsize(vd, vw->vw_font, &size);
2564 vt_winsize(vd, vw->vw_font, &wsz);
2565 vtbuf_init(&vw->vw_buf, &size);
2567 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw);
2568 terminal_set_winsize(tm, &wsz);
2569 vd->vd_windows[window] = vw;
2570 callout_init(&vw->vw_proc_dead_timer, 0);
2576 vt_upgrade(struct vt_device *vd)
2578 struct vt_window *vw;
2580 int register_handlers;
2582 if (!vty_enabled(VTY_VT))
2584 if (main_vd->vd_driver == NULL)
2587 for (i = 0; i < VT_MAXWINDOWS; i++) {
2588 vw = vd->vd_windows[i];
2591 vw = vt_allocate_window(vd, i);
2593 if (!(vw->vw_flags & VWF_READY)) {
2594 callout_init(&vw->vw_proc_dead_timer, 0);
2595 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw));
2596 vw->vw_flags |= VWF_READY;
2597 if (vw->vw_flags & VWF_CONSOLE) {
2598 /* For existing console window. */
2599 EVENTHANDLER_REGISTER(shutdown_pre_sync,
2600 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT);
2606 if (vd->vd_curwindow == NULL)
2607 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW];
2609 register_handlers = 0;
2610 if (!(vd->vd_flags & VDF_ASYNC)) {
2611 /* Attach keyboard. */
2612 vt_allocate_keyboard(vd);
2614 /* Init 25 Hz timer. */
2615 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0);
2617 /* Start timer when everything ready. */
2618 vd->vd_flags |= VDF_ASYNC;
2619 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd);
2620 vd->vd_timer_armed = 1;
2621 register_handlers = 1;
2626 /* Refill settings with new sizes. */
2629 if (register_handlers) {
2630 /* Register suspend/resume handlers. */
2631 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler,
2632 vd, EVENTHANDLER_PRI_ANY);
2633 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd,
2634 EVENTHANDLER_PRI_ANY);
2639 vt_resize(struct vt_device *vd)
2641 struct vt_window *vw;
2644 for (i = 0; i < VT_MAXWINDOWS; i++) {
2645 vw = vd->vd_windows[i];
2647 /* Assign default font to window, if not textmode. */
2648 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL)
2649 vw->vw_font = vtfont_ref(&vt_font_default);
2652 /* Resize terminal windows */
2653 while (vt_change_font(vw, vw->vw_font) == EBUSY) {
2654 DPRINTF(100, "%s: vt_change_font() is busy, "
2655 "window %d\n", __func__, i);
2661 vt_replace_backend(const struct vt_driver *drv, void *softc)
2663 struct vt_device *vd;
2667 if (vd->vd_flags & VDF_ASYNC) {
2668 /* Stop vt_flush periodic task. */
2670 vt_suspend_flush_timer(vd);
2673 * Mute current terminal until we done. vt_change_font (called
2674 * from vt_resize) will unmute it.
2676 terminal_mute(vd->vd_curwindow->vw_terminal, 1);
2680 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will
2684 vd->vd_flags &= ~VDF_TEXTMODE;
2688 * We want to upgrade from the current driver to the
2692 vd->vd_prev_driver = vd->vd_driver;
2693 vd->vd_prev_softc = vd->vd_softc;
2694 vd->vd_driver = drv;
2695 vd->vd_softc = softc;
2697 vd->vd_driver->vd_init(vd);
2698 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) {
2700 * No driver given: we want to downgrade to the previous
2703 const struct vt_driver *old_drv;
2706 old_drv = vd->vd_driver;
2707 old_softc = vd->vd_softc;
2709 vd->vd_driver = vd->vd_prev_driver;
2710 vd->vd_softc = vd->vd_prev_softc;
2711 vd->vd_prev_driver = NULL;
2712 vd->vd_prev_softc = NULL;
2714 vd->vd_flags |= VDF_DOWNGRADE;
2716 vd->vd_driver->vd_init(vd);
2718 if (old_drv->vd_fini)
2719 old_drv->vd_fini(vd, old_softc);
2721 vd->vd_flags &= ~VDF_DOWNGRADE;
2726 /* Update windows sizes and initialize last items. */
2730 if (vd->vd_flags & VDF_SPLASH)
2734 if (vd->vd_flags & VDF_ASYNC) {
2735 /* Allow to put chars now. */
2736 terminal_mute(vd->vd_curwindow->vw_terminal, 0);
2737 /* Rerun timer for screen updates. */
2738 vt_resume_flush_timer(vd, 0);
2742 * Register as console. If it already registered, cnadd() will ignore
2745 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal);
2749 vt_suspend_handler(void *priv)
2751 struct vt_device *vd;
2754 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL)
2755 vd->vd_driver->vd_suspend(vd);
2759 vt_resume_handler(void *priv)
2761 struct vt_device *vd;
2764 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL)
2765 vd->vd_driver->vd_resume(vd);
2769 vt_allocate(const struct vt_driver *drv, void *softc)
2772 if (!vty_enabled(VTY_VT))
2775 if (main_vd->vd_driver == NULL) {
2776 main_vd->vd_driver = drv;
2777 printf("VT: initialize with new VT driver \"%s\".\n",
2781 * Check if have rights to replace current driver. For example:
2782 * it is bad idea to replace KMS driver with generic VGA one.
2784 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) {
2785 printf("VT: Driver priority %d too low. Current %d\n ",
2786 drv->vd_priority, main_vd->vd_driver->vd_priority);
2789 printf("VT: Replacing driver \"%s\" with new \"%s\".\n",
2790 main_vd->vd_driver->vd_name, drv->vd_name);
2793 vt_replace_backend(drv, softc);
2797 vt_deallocate(const struct vt_driver *drv, void *softc)
2800 if (!vty_enabled(VTY_VT))
2803 if (main_vd->vd_prev_driver == NULL ||
2804 main_vd->vd_driver != drv ||
2805 main_vd->vd_softc != softc)
2808 printf("VT: Switching back from \"%s\" to \"%s\".\n",
2809 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name);
2811 vt_replace_backend(NULL, NULL);
2815 vt_suspend(struct vt_device *vd)
2819 if (vt_suspendswitch == 0)
2821 /* Save current window. */
2822 vd->vd_savedwindow = vd->vd_curwindow;
2823 /* Ask holding process to free window and switch to console window */
2824 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]);
2826 /* Wait for the window switch to complete. */
2829 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0)
2830 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
2835 vt_resume(struct vt_device *vd)
2838 if (vt_suspendswitch == 0)
2840 /* Switch back to saved window, if any */
2841 vt_proc_window_switch(vd->vd_savedwindow);
2842 vd->vd_savedwindow = NULL;