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_flush(struct vt_device *vd)
1155 struct vt_window *vw;
1158 #ifndef SC_NO_CUTPASTE
1159 int cursor_was_shown, cursor_moved;
1162 vw = vd->vd_curwindow;
1166 if (vd->vd_flags & VDF_SPLASH || vw->vw_flags & VWF_BUSY)
1170 if (((vd->vd_flags & VDF_TEXTMODE) == 0) && (vf == NULL))
1173 #ifndef SC_NO_CUTPASTE
1174 cursor_was_shown = vd->vd_mshown;
1175 cursor_moved = (vd->vd_mx != vd->vd_mx_drawn ||
1176 vd->vd_my != vd->vd_my_drawn);
1178 /* Check if the cursor should be displayed or not. */
1179 if ((vd->vd_flags & VDF_MOUSECURSOR) && /* Mouse support enabled. */
1180 !(vw->vw_flags & VWF_MOUSE_HIDE) && /* Cursor displayed. */
1181 !kdb_active && panicstr == NULL) { /* DDB inactive. */
1188 * If the cursor changed display state or moved, we must mark
1189 * the old position as dirty, so that it's erased.
1191 if (cursor_was_shown != vd->vd_mshown ||
1192 (vd->vd_mshown && cursor_moved))
1193 vt_mark_mouse_position_as_dirty(vd);
1196 * Save position of the mouse cursor. It's used by backends to
1197 * know where to draw the cursor and during the next refresh to
1198 * erase the previous position.
1200 vd->vd_mx_drawn = vd->vd_mx;
1201 vd->vd_my_drawn = vd->vd_my;
1204 * If the cursor is displayed and has moved since last refresh,
1205 * mark the new position as dirty.
1207 if (vd->vd_mshown && cursor_moved)
1208 vt_mark_mouse_position_as_dirty(vd);
1211 vtbuf_undirty(&vw->vw_buf, &tarea);
1213 /* Force a full redraw when the screen contents are invalid. */
1214 if (vd->vd_flags & VDF_INVALID) {
1215 vd->vd_flags &= ~VDF_INVALID;
1217 vt_termrect(vd, vf, &tarea);
1218 if (vt_draw_logo_cpus)
1219 vtterm_draw_cpu_logos(vd);
1222 if (tarea.tr_begin.tp_col < tarea.tr_end.tp_col) {
1223 vd->vd_driver->vd_bitblt_text(vd, vw, &tarea);
1233 struct vt_device *vd;
1237 /* Update screen if required. */
1238 changed = vt_flush(vd);
1240 /* Schedule for next update. */
1242 vt_schedule_flush(vd, 0);
1244 vd->vd_timer_armed = 0;
1248 vtterm_done(struct terminal *tm)
1250 struct vt_window *vw = tm->tm_softc;
1251 struct vt_device *vd = vw->vw_device;
1253 if (kdb_active || panicstr != NULL) {
1254 /* Switch to the debugger. */
1255 if (vd->vd_curwindow != vw) {
1256 vd->vd_curwindow = vw;
1257 vd->vd_flags |= VDF_INVALID;
1258 if (vd->vd_driver->vd_postswitch)
1259 vd->vd_driver->vd_postswitch(vd);
1261 vd->vd_flags &= ~VDF_SPLASH;
1263 } else if (!(vd->vd_flags & VDF_ASYNC)) {
1270 vtterm_splash(struct vt_device *vd)
1272 vt_axis_t top, left;
1274 /* Display a nice boot splash. */
1275 if (!(vd->vd_flags & VDF_TEXTMODE) && (boothowto & RB_MUTE)) {
1277 top = (vd->vd_height - vt_logo_height) / 2;
1278 left = (vd->vd_width - vt_logo_width) / 2;
1279 switch (vt_logo_depth) {
1281 /* XXX: Unhardcode colors! */
1282 vd->vd_driver->vd_bitblt_bmp(vd, vd->vd_curwindow,
1283 vt_logo_image, NULL, vt_logo_width, vt_logo_height,
1284 left, top, TC_WHITE, TC_BLACK);
1286 vd->vd_flags |= VDF_SPLASH;
1293 vtterm_cnprobe(struct terminal *tm, struct consdev *cp)
1295 struct vt_driver *vtd, **vtdlist, *vtdbest = NULL;
1296 struct vt_window *vw = tm->tm_softc;
1297 struct vt_device *vd = vw->vw_device;
1302 if (!vty_enabled(VTY_VT))
1305 if (vd->vd_flags & VDF_INITIALIZED)
1306 /* Initialization already done. */
1309 SET_FOREACH(vtdlist, vt_drv_set) {
1311 if (vtd->vd_probe == NULL)
1313 if (vtd->vd_probe(vd) == CN_DEAD)
1315 if ((vtdbest == NULL) ||
1316 (vtd->vd_priority > vtdbest->vd_priority))
1319 if (vtdbest == NULL) {
1320 cp->cn_pri = CN_DEAD;
1321 vd->vd_flags |= VDF_DEAD;
1323 vd->vd_driver = vtdbest;
1324 cp->cn_pri = vd->vd_driver->vd_init(vd);
1327 /* Check if driver's vt_init return CN_DEAD. */
1328 if (cp->cn_pri == CN_DEAD) {
1329 vd->vd_flags |= VDF_DEAD;
1332 /* Initialize any early-boot keyboard drivers */
1333 kbd_configure(KB_CONF_PROBE_ONLY);
1335 vd->vd_unit = atomic_fetchadd_int(&vt_unit, 1);
1336 vd->vd_windows[VT_CONSWINDOW] = vw;
1337 sprintf(cp->cn_name, "ttyv%r", VT_UNIT(vw));
1339 /* Attach default font if not in TEXTMODE. */
1340 if ((vd->vd_flags & VDF_TEXTMODE) == 0) {
1341 vw->vw_font = vtfont_ref(&vt_font_default);
1342 vt_compute_drawable_area(vw);
1346 * The original screen size was faked (_VTDEFW x _VTDEFH). Now
1347 * that we have the real viewable size, fix it in the static
1350 if (vd->vd_width != 0 && vd->vd_height != 0)
1351 vt_termsize(vd, vw->vw_font, &vw->vw_buf.vb_scr_size);
1353 vtbuf_init_early(&vw->vw_buf);
1354 vt_winsize(vd, vw->vw_font, &wsz);
1355 c = (boothowto & RB_MUTE) == 0 ? TERMINAL_KERN_ATTR :
1357 attr.ta_format = TCHAR_FORMAT(c);
1358 attr.ta_fgcolor = TCHAR_FGCOLOR(c);
1359 attr.ta_bgcolor = TCHAR_BGCOLOR(c);
1360 terminal_set_winsize_blank(tm, &wsz, 1, &attr);
1362 if (vtdbest != NULL) {
1367 vd->vd_flags |= VDF_INITIALIZED;
1372 vtterm_cngetc(struct terminal *tm)
1374 struct vt_window *vw = tm->tm_softc;
1375 struct vt_device *vd = vw->vw_device;
1379 if (vw->vw_kbdsq && *vw->vw_kbdsq)
1380 return (*vw->vw_kbdsq++);
1382 /* Make sure the splash screen is not there. */
1383 if (vd->vd_flags & VDF_SPLASH) {
1385 vd->vd_flags &= ~VDF_SPLASH;
1386 /* Mark screen as invalid to force update */
1387 vd->vd_flags |= VDF_INVALID;
1391 /* Stripped down keyboard handler. */
1392 kbd = kbd_get_keyboard(vd->vd_keyboard);
1396 /* Force keyboard input mode to K_XLATE */
1397 vw->vw_kbdmode = K_XLATE;
1398 vt_update_kbd_mode(vw, kbd);
1400 /* Switch the keyboard to polling to make it work here. */
1401 kbdd_poll(kbd, TRUE);
1402 c = kbdd_read_char(kbd, 0);
1403 kbdd_poll(kbd, FALSE);
1407 if (vw->vw_flags & VWF_SCROLL) {
1408 vt_scrollmode_kbdevent(vw, c, 1/* Console mode */);
1413 /* Stripped down handling of vt_kbdevent(), without locking, etc. */
1417 vt_save_kbd_state(vw, kbd);
1418 if (vw->vw_kbdstate & SLKED) {
1419 /* Turn scrolling on. */
1420 vw->vw_flags |= VWF_SCROLL;
1421 VTBUF_SLCK_ENABLE(&vw->vw_buf);
1423 /* Turn scrolling off. */
1424 vt_scroll(vw, 0, VHS_END);
1425 vw->vw_flags &= ~VWF_SCROLL;
1426 VTBUF_SLCK_DISABLE(&vw->vw_buf);
1429 /* XXX: KDB can handle history. */
1430 case SPCLKEY | FKEY | F(50): /* Arrow up. */
1431 vw->vw_kbdsq = "\x1b[A";
1433 case SPCLKEY | FKEY | F(58): /* Arrow down. */
1434 vw->vw_kbdsq = "\x1b[B";
1436 case SPCLKEY | FKEY | F(55): /* Arrow right. */
1437 vw->vw_kbdsq = "\x1b[C";
1439 case SPCLKEY | FKEY | F(53): /* Arrow left. */
1440 vw->vw_kbdsq = "\x1b[D";
1444 /* Force refresh to make scrollback work. */
1446 } else if (KEYFLAGS(c) == 0) {
1447 return (KEYCHAR(c));
1450 if (vw->vw_kbdsq && *vw->vw_kbdsq)
1451 return (*vw->vw_kbdsq++);
1457 vtterm_cngrab(struct terminal *tm)
1459 struct vt_device *vd;
1460 struct vt_window *vw;
1467 vt_window_switch(vw);
1469 kbd = kbd_get_keyboard(vd->vd_keyboard);
1473 if (vw->vw_grabbed++ > 0)
1477 * Make sure the keyboard is accessible even when the kbd device
1478 * driver is disabled.
1482 /* We shall always use the keyboard in the XLATE mode here. */
1483 vw->vw_prev_kbdmode = vw->vw_kbdmode;
1484 vw->vw_kbdmode = K_XLATE;
1485 vt_update_kbd_mode(vw, kbd);
1487 kbdd_poll(kbd, TRUE);
1491 vtterm_cnungrab(struct terminal *tm)
1493 struct vt_device *vd;
1494 struct vt_window *vw;
1500 kbd = kbd_get_keyboard(vd->vd_keyboard);
1504 if (--vw->vw_grabbed > 0)
1507 kbdd_poll(kbd, FALSE);
1509 vw->vw_kbdmode = vw->vw_prev_kbdmode;
1510 vt_update_kbd_mode(vw, kbd);
1515 vtterm_opened(struct terminal *tm, int opened)
1517 struct vt_window *vw = tm->tm_softc;
1518 struct vt_device *vd = vw->vw_device;
1521 vd->vd_flags &= ~VDF_SPLASH;
1523 vw->vw_flags |= VWF_OPENED;
1525 vw->vw_flags &= ~VWF_OPENED;
1526 /* TODO: finish ACQ/REL */
1532 vt_set_border(struct vt_window *vw, term_color_t c)
1534 struct vt_device *vd = vw->vw_device;
1536 if (vd->vd_driver->vd_drawrect == NULL)
1540 if (vw->vw_draw_area.tr_begin.tp_row > 0)
1541 vd->vd_driver->vd_drawrect(vd,
1543 vd->vd_width - 1, vw->vw_draw_area.tr_begin.tp_row - 1,
1547 if (vw->vw_draw_area.tr_begin.tp_col > 0)
1548 vd->vd_driver->vd_drawrect(vd,
1550 vw->vw_draw_area.tr_begin.tp_col - 1, vd->vd_height - 1,
1554 if (vw->vw_draw_area.tr_end.tp_col < vd->vd_width)
1555 vd->vd_driver->vd_drawrect(vd,
1556 vw->vw_draw_area.tr_end.tp_col - 1, 0,
1557 vd->vd_width - 1, vd->vd_height - 1,
1561 if (vw->vw_draw_area.tr_end.tp_row < vd->vd_height)
1562 vd->vd_driver->vd_drawrect(vd,
1563 0, vw->vw_draw_area.tr_end.tp_row - 1,
1564 vd->vd_width - 1, vd->vd_height - 1,
1571 vt_change_font(struct vt_window *vw, struct vt_font *vf)
1573 struct vt_device *vd = vw->vw_device;
1574 struct terminal *tm = vw->vw_terminal;
1581 * Changing fonts is a little tricky. We must prevent
1582 * simultaneous access to the device, so we must stop
1583 * the display timer and the terminal from accessing.
1584 * We need to switch fonts and grow our screen buffer.
1586 * XXX: Right now the code uses terminal_mute() to
1587 * prevent data from reaching the console driver while
1588 * resizing the screen buffer. This isn't elegant...
1592 if (vw->vw_flags & VWF_BUSY) {
1593 /* Another process is changing the font. */
1597 vw->vw_flags |= VWF_BUSY;
1600 vt_termsize(vd, vf, &size);
1601 vt_winsize(vd, vf, &wsz);
1603 /* Grow the screen buffer and terminal. */
1604 terminal_mute(tm, 1);
1605 vtbuf_grow(&vw->vw_buf, &size, vw->vw_buf.vb_history_size);
1606 terminal_set_winsize_blank(tm, &wsz, 0, NULL);
1607 terminal_set_cursor(tm, &vw->vw_buf.vb_cursor);
1608 terminal_mute(tm, 0);
1610 /* Actually apply the font to the current window. */
1612 if (vw->vw_font != vf && vw->vw_font != NULL && vf != NULL) {
1614 * In case vt_change_font called to update size we don't need
1615 * to update font link.
1617 vtfont_unref(vw->vw_font);
1618 vw->vw_font = vtfont_ref(vf);
1622 * Compute the drawable area and move the mouse cursor inside
1623 * it, in case the new area is smaller than the previous one.
1625 vt_compute_drawable_area(vw);
1626 vd->vd_mx = min(vd->vd_mx,
1627 vw->vw_draw_area.tr_end.tp_col -
1628 vw->vw_draw_area.tr_begin.tp_col - 1);
1629 vd->vd_my = min(vd->vd_my,
1630 vw->vw_draw_area.tr_end.tp_row -
1631 vw->vw_draw_area.tr_begin.tp_row - 1);
1633 /* Force a full redraw the next timer tick. */
1634 if (vd->vd_curwindow == vw) {
1635 vt_set_border(vw, TC_BLACK);
1636 vd->vd_flags |= VDF_INVALID;
1637 vt_resume_flush_timer(vw->vw_device, 0);
1639 vw->vw_flags &= ~VWF_BUSY;
1645 vt_proc_alive(struct vt_window *vw)
1649 if (vw->vw_smode.mode != VT_PROCESS)
1653 if ((p = pfind(vw->vw_pid)) != NULL)
1655 if (vw->vw_proc == p)
1658 vw->vw_smode.mode = VT_AUTO;
1659 DPRINTF(1, "vt controlling process %d died\n", vw->vw_pid);
1666 signal_vt_rel(struct vt_window *vw)
1669 if (vw->vw_smode.mode != VT_PROCESS)
1671 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1676 vw->vw_flags |= VWF_SWWAIT_REL;
1677 PROC_LOCK(vw->vw_proc);
1678 kern_psignal(vw->vw_proc, vw->vw_smode.relsig);
1679 PROC_UNLOCK(vw->vw_proc);
1680 DPRINTF(1, "sending relsig to %d\n", vw->vw_pid);
1685 signal_vt_acq(struct vt_window *vw)
1688 if (vw->vw_smode.mode != VT_PROCESS)
1690 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
1691 cnavailable(vw->vw_terminal->consdev, FALSE);
1692 if (vw->vw_proc == NULL || vt_proc_alive(vw) == FALSE) {
1697 vw->vw_flags |= VWF_SWWAIT_ACQ;
1698 PROC_LOCK(vw->vw_proc);
1699 kern_psignal(vw->vw_proc, vw->vw_smode.acqsig);
1700 PROC_UNLOCK(vw->vw_proc);
1701 DPRINTF(1, "sending acqsig to %d\n", vw->vw_pid);
1706 finish_vt_rel(struct vt_window *vw, int release, int *s)
1709 if (vw->vw_flags & VWF_SWWAIT_REL) {
1710 vw->vw_flags &= ~VWF_SWWAIT_REL;
1712 callout_drain(&vw->vw_proc_dead_timer);
1713 vt_late_window_switch(vw->vw_switch_to);
1721 finish_vt_acq(struct vt_window *vw)
1724 if (vw->vw_flags & VWF_SWWAIT_ACQ) {
1725 vw->vw_flags &= ~VWF_SWWAIT_ACQ;
1731 #ifndef SC_NO_CUTPASTE
1733 vt_mouse_terminput_button(struct vt_device *vd, int button)
1735 struct vt_window *vw;
1737 char mouseb[6] = "\x1B[M";
1740 vw = vd->vd_curwindow;
1743 /* Translate to char position. */
1744 x = vd->vd_mx / vf->vf_width;
1745 y = vd->vd_my / vf->vf_height;
1746 /* Avoid overflow. */
1747 x = MIN(x, 255 - '!');
1748 y = MIN(y, 255 - '!');
1750 mouseb[3] = ' ' + button;
1751 mouseb[4] = '!' + x;
1752 mouseb[5] = '!' + y;
1754 for (i = 0; i < sizeof(mouseb); i++)
1755 terminal_input_char(vw->vw_terminal, mouseb[i]);
1759 vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event,
1764 case MOUSE_BUTTON_EVENT:
1766 /* Mouse button pressed. */
1767 if (event & MOUSE_BUTTON1DOWN)
1768 vt_mouse_terminput_button(vd, 0);
1769 if (event & MOUSE_BUTTON2DOWN)
1770 vt_mouse_terminput_button(vd, 1);
1771 if (event & MOUSE_BUTTON3DOWN)
1772 vt_mouse_terminput_button(vd, 2);
1774 /* Mouse button released. */
1775 vt_mouse_terminput_button(vd, 3);
1779 case MOUSE_MOTION_EVENT:
1780 if (mouse->u.data.z < 0) {
1782 sc_mouse_input_button(vd, 64);
1783 } else if (mouse->u.data.z > 0) {
1785 sc_mouse_input_button(vd, 65);
1798 len = VD_PASTEBUFLEN(main_vd);
1799 buf = VD_PASTEBUF(main_vd);
1800 len /= sizeof(term_char_t);
1801 for (i = 0; i < len; i++) {
1804 terminal_input_char(main_vd->vd_curwindow->vw_terminal,
1810 vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel)
1812 struct vt_device *vd;
1813 struct vt_window *vw;
1819 vw = vd->vd_curwindow;
1823 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS))
1825 * Either the mouse is disabled, or the window is in
1826 * "graphics mode". The graphics mode is usually set by
1827 * an X server, using the KDSETMODE ioctl.
1831 if (vf == NULL) /* Text mode. */
1835 * TODO: add flag about pointer position changed, to not redraw chars
1836 * under mouse pointer when nothing changed.
1839 if (vw->vw_mouse_level > 0)
1840 vt_mouse_terminput(vd, type, x, y, event, cnt);
1844 case MOUSE_MOTION_EVENT:
1849 vt_termsize(vd, vf, &size);
1854 x = MIN(x, (size.tp_col * vf->vf_width) - 1);
1855 y = MIN(y, (size.tp_row * vf->vf_height) - 1);
1859 if (vd->vd_mstate & MOUSE_BUTTON1DOWN)
1860 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE,
1861 vd->vd_mx / vf->vf_width,
1862 vd->vd_my / vf->vf_height);
1864 vt_resume_flush_timer(vw->vw_device, 0);
1866 case MOUSE_BUTTON_EVENT:
1874 case MOUSE_BUTTON1DOWN:
1877 mark = VTB_MARK_END;
1879 case 1: /* single click: start cut operation */
1880 mark = VTB_MARK_START;
1882 case 2: /* double click: cut a word */
1883 mark = VTB_MARK_WORD;
1885 case 3: /* triple click: cut a line */
1886 mark = VTB_MARK_ROW;
1890 case VT_MOUSE_PASTEBUTTON:
1899 case VT_MOUSE_EXTENDBUTTON:
1902 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN))
1903 mark = VTB_MARK_EXTEND;
1908 mark = VTB_MARK_EXTEND;
1916 /* Save buttons state. */
1918 vd->vd_mstate |= event;
1920 vd->vd_mstate &= ~event;
1922 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width,
1923 vd->vd_my / vf->vf_height) == 1) {
1925 * We have something marked to copy, so update pointer to
1926 * window with selection.
1928 vt_resume_flush_timer(vw->vw_device, 0);
1934 case VTB_MARK_EXTEND:
1937 /* Other types of mark do not require to copy data. */
1941 /* Get current selection size in bytes. */
1942 len = vtbuf_get_marked_len(&vw->vw_buf);
1946 /* Reallocate buffer only if old one is too small. */
1947 if (len > VD_PASTEBUFSZ(vd)) {
1948 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT,
1950 /* Update buffer size. */
1951 VD_PASTEBUFSZ(vd) = len;
1953 /* Request copy/paste buffer data, no more than `len' */
1954 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd),
1957 VD_PASTEBUFLEN(vd) = len;
1959 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */
1964 vt_mouse_state(int show)
1966 struct vt_device *vd;
1967 struct vt_window *vw;
1970 vw = vd->vd_curwindow;
1974 vw->vw_flags |= VWF_MOUSE_HIDE;
1977 vw->vw_flags &= ~VWF_MOUSE_HIDE;
1981 /* Mark mouse position as dirty. */
1982 vt_mark_mouse_position_as_dirty(vd);
1983 vt_resume_flush_timer(vw->vw_device, 0);
1988 vtterm_mmap(struct terminal *tm, vm_ooffset_t offset, vm_paddr_t * paddr,
1989 int nprot, vm_memattr_t *memattr)
1991 struct vt_window *vw = tm->tm_softc;
1992 struct vt_device *vd = vw->vw_device;
1994 if (vd->vd_driver->vd_fb_mmap)
1995 return (vd->vd_driver->vd_fb_mmap(vd, offset, paddr, nprot,
2002 vtterm_ioctl(struct terminal *tm, u_long cmd, caddr_t data,
2005 struct vt_window *vw = tm->tm_softc;
2006 struct vt_device *vd = vw->vw_device;
2009 #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
2010 defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
2021 cmd = VT_WAITACTIVE;
2047 ival = IOCPARM_IVAL(data);
2048 data = (caddr_t)&ival;
2053 case KDSETRAD: /* set keyboard repeat & delay rates (old) */
2054 if (*(int *)data & ~0x7f)
2059 case GIO_DEADKEYMAP:
2060 case PIO_DEADKEYMAP:
2065 case KDGETREPEAT: /* get keyboard repeat & delay rates */
2066 case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
2067 case KBADDKBD: /* add/remove keyboard to/from mux */
2072 kbd = kbd_get_keyboard(vd->vd_keyboard);
2074 error = kbdd_ioctl(kbd, cmd, data);
2076 if (error == ENOIOCTL) {
2077 if (cmd == KDGKBTYPE) {
2078 /* always return something? XXX */
2086 case KDGKBSTATE: { /* get keyboard state (locks) */
2089 if (vw == vd->vd_curwindow) {
2091 kbd = kbd_get_keyboard(vd->vd_keyboard);
2093 error = vt_save_kbd_state(vw, kbd);
2100 *(int *)data = vw->vw_kbdstate & LOCK_MASK;
2104 case KDSKBSTATE: { /* set keyboard state (locks) */
2107 state = *(int *)data;
2108 if (state & ~LOCK_MASK)
2111 vw->vw_kbdstate &= ~LOCK_MASK;
2112 vw->vw_kbdstate |= state;
2115 if (vw == vd->vd_curwindow) {
2117 kbd = kbd_get_keyboard(vd->vd_keyboard);
2119 error = vt_update_kbd_state(vw, kbd);
2125 case KDGETLED: { /* get keyboard LED status */
2128 if (vw == vd->vd_curwindow) {
2130 kbd = kbd_get_keyboard(vd->vd_keyboard);
2132 error = vt_save_kbd_leds(vw, kbd);
2139 *(int *)data = vw->vw_kbdstate & LED_MASK;
2143 case KDSETLED: { /* set keyboard LED status */
2146 leds = *(int *)data;
2147 if (leds & ~LED_MASK)
2150 vw->vw_kbdstate &= ~LED_MASK;
2151 vw->vw_kbdstate |= leds;
2154 if (vw == vd->vd_curwindow) {
2156 kbd = kbd_get_keyboard(vd->vd_keyboard);
2158 error = vt_update_kbd_leds(vw, kbd);
2167 if (vw == vd->vd_curwindow) {
2169 kbd = kbd_get_keyboard(vd->vd_keyboard);
2171 error = vt_save_kbd_mode(vw, kbd);
2178 *(int *)data = vw->vw_kbdmode;
2185 mode = *(int *)data;
2190 vw->vw_kbdmode = mode;
2193 if (vw == vd->vd_curwindow) {
2195 kbd = kbd_get_keyboard(vd->vd_keyboard);
2197 error = vt_update_kbd_mode(vw, kbd);
2207 case FBIO_GETWINORG: /* get frame buffer window origin */
2208 case FBIO_GETDISPSTART: /* get display start address */
2209 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
2210 case FBIO_BLANK: /* blank display */
2211 if (vd->vd_driver->vd_fb_ioctl)
2212 return (vd->vd_driver->vd_fb_ioctl(vd, cmd, data, td));
2214 case CONS_BLANKTIME:
2219 *(int *)data = M_CG640x480;
2221 case CONS_BELLTYPE: /* set bell type sound */
2222 if ((*(int *)data) & CONS_QUIET_BELL)
2223 vd->vd_flags |= VDF_QUIET_BELL;
2225 vd->vd_flags &= ~VDF_QUIET_BELL;
2227 case CONS_GETINFO: {
2228 vid_info_t *vi = (vid_info_t *)data;
2229 if (vi->size != sizeof(struct vid_info))
2232 if (vw == vd->vd_curwindow) {
2234 kbd = kbd_get_keyboard(vd->vd_keyboard);
2236 vt_save_kbd_state(vw, kbd);
2240 vi->m_num = vd->vd_curwindow->vw_number + 1;
2241 vi->mk_keylock = vw->vw_kbdstate & LOCK_MASK;
2242 /* XXX: other fields! */
2246 *(int *)data = 0x200;
2251 case CONS_MOUSECTL: {
2252 mouse_info_t *mouse = (mouse_info_t*)data;
2255 * All the commands except MOUSE_SHOW nd MOUSE_HIDE
2256 * should not be applied to individual TTYs, but only to
2259 switch (mouse->operation) {
2261 if (vd->vd_flags & VDF_MOUSECURSOR) {
2262 vd->vd_flags &= ~VDF_MOUSECURSOR;
2263 #ifndef SC_NO_CUTPASTE
2264 vt_mouse_state(VT_MOUSE_HIDE);
2269 if (!(vd->vd_flags & VDF_MOUSECURSOR)) {
2270 vd->vd_flags |= VDF_MOUSECURSOR;
2271 vd->vd_mx = vd->vd_width / 2;
2272 vd->vd_my = vd->vd_height / 2;
2273 #ifndef SC_NO_CUTPASTE
2274 vt_mouse_state(VT_MOUSE_SHOW);
2285 if (vd->vd_flags & VDF_TEXTMODE)
2288 error = vtfont_load((void *)data, &vf);
2292 error = vt_change_font(vw, vf);
2296 case PIO_VFONT_DEFAULT: {
2297 /* Reset to default font. */
2298 error = vt_change_font(vw, &vt_font_default);
2302 scrmap_t *sm = (scrmap_t *)data;
2304 /* We don't have screen maps, so return a handcrafted one. */
2305 for (i = 0; i < 256; i++)
2311 * FIXME: This implementation is incomplete compared to
2314 switch (*(int *)data) {
2318 vw->vw_flags &= ~VWF_GRAPHICS;
2321 vw->vw_flags |= VWF_GRAPHICS;
2325 case KDENABIO: /* allow io operations */
2326 error = priv_check(td, PRIV_IO);
2329 error = securelevel_gt(td->td_ucred, 0);
2332 #if defined(__i386__)
2333 td->td_frame->tf_eflags |= PSL_IOPL;
2334 #elif defined(__amd64__)
2335 td->td_frame->tf_rflags |= PSL_IOPL;
2338 case KDDISABIO: /* disallow io operations (default) */
2339 #if defined(__i386__)
2340 td->td_frame->tf_eflags &= ~PSL_IOPL;
2341 #elif defined(__amd64__)
2342 td->td_frame->tf_rflags &= ~PSL_IOPL;
2345 case KDMKTONE: /* sound the bell */
2346 vtterm_beep(tm, *(u_int *)data);
2348 case KIOCSOUND: /* make tone (*data) hz */
2351 case CONS_SETKBD: /* set the new keyboard */
2354 if (vd->vd_keyboard != *(int *)data) {
2355 kbd = kbd_get_keyboard(*(int *)data);
2360 i = kbd_allocate(kbd->kb_name, kbd->kb_unit,
2361 (void *)vd, vt_kbdevent, vd);
2363 if (vd->vd_keyboard != -1) {
2364 kbd = kbd_get_keyboard(vd->vd_keyboard);
2365 vt_save_kbd_state(vd->vd_curwindow, kbd);
2366 kbd_release(kbd, (void *)vd);
2368 kbd = kbd_get_keyboard(i);
2369 vd->vd_keyboard = i;
2371 vt_update_kbd_mode(vd->vd_curwindow, kbd);
2372 vt_update_kbd_state(vd->vd_curwindow, kbd);
2374 error = EPERM; /* XXX */
2379 case CONS_RELKBD: /* release the current keyboard */
2382 if (vd->vd_keyboard != -1) {
2383 kbd = kbd_get_keyboard(vd->vd_keyboard);
2388 vt_save_kbd_state(vd->vd_curwindow, kbd);
2389 error = kbd_release(kbd, (void *)vd);
2391 vd->vd_keyboard = -1;
2398 win = *(int *)data - 1;
2399 DPRINTF(5, "%s%d: VT_ACTIVATE ttyv%d ", SC_DRIVER_NAME,
2401 if ((win >= VT_MAXWINDOWS) || (win < 0))
2403 return (vt_proc_window_switch(vd->vd_windows[win]));
2406 *(int *)data = vd->vd_curwindow->vw_number + 1;
2409 *(int *)data = vw->vw_number + 1;
2412 /* TODO: Check current state, switching can be in progress. */
2413 if ((*(int *)data) == 0x01)
2414 vw->vw_flags |= VWF_VTYLOCK;
2415 else if ((*(int *)data) == 0x02)
2416 vw->vw_flags &= ~VWF_VTYLOCK;
2422 for (i = 0; i < VT_MAXWINDOWS; i++) {
2423 vw = vd->vd_windows[i];
2426 if (!(vw->vw_flags & VWF_OPENED)) {
2427 *(int *)data = vw->vw_number + 1;
2434 case VT_WAITACTIVE: {
2439 idx = *(unsigned int *)data;
2440 if (idx > VT_MAXWINDOWS)
2443 vw = vd->vd_windows[idx - 1];
2446 while (vd->vd_curwindow != vw && error == 0)
2447 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
2451 case VT_SETMODE: { /* set screen switcher mode */
2452 struct vt_mode *mode;
2455 mode = (struct vt_mode *)data;
2456 DPRINTF(5, "%s%d: VT_SETMODE ", SC_DRIVER_NAME, VT_UNIT(vw));
2457 if (vw->vw_smode.mode == VT_PROCESS) {
2458 p1 = pfind(vw->vw_pid);
2459 if (vw->vw_proc == p1 && vw->vw_proc != td->td_proc) {
2462 DPRINTF(5, "error EPERM\n");
2468 if (mode->mode == VT_AUTO) {
2469 vw->vw_smode.mode = VT_AUTO;
2472 DPRINTF(5, "VT_AUTO, ");
2473 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
2474 cnavailable(vw->vw_terminal->consdev, TRUE);
2475 /* were we in the middle of the vty switching process? */
2476 if (finish_vt_rel(vw, TRUE, &s) == 0)
2477 DPRINTF(5, "reset WAIT_REL, ");
2478 if (finish_vt_acq(vw) == 0)
2479 DPRINTF(5, "reset WAIT_ACQ, ");
2481 } else if (mode->mode == VT_PROCESS) {
2482 if (!ISSIGVALID(mode->relsig) ||
2483 !ISSIGVALID(mode->acqsig) ||
2484 !ISSIGVALID(mode->frsig)) {
2485 DPRINTF(5, "error EINVAL\n");
2488 DPRINTF(5, "VT_PROCESS %d, ", td->td_proc->p_pid);
2489 bcopy(data, &vw->vw_smode, sizeof(struct vt_mode));
2490 vw->vw_proc = td->td_proc;
2491 vw->vw_pid = vw->vw_proc->p_pid;
2492 if (vw == vw->vw_device->vd_windows[VT_CONSWINDOW])
2493 cnavailable(vw->vw_terminal->consdev, FALSE);
2495 DPRINTF(5, "VT_SETMODE failed, unknown mode %d\n",
2502 case VT_GETMODE: /* get screen switcher mode */
2503 bcopy(&vw->vw_smode, data, sizeof(struct vt_mode));
2506 case VT_RELDISP: /* screen switcher ioctl */
2508 * This must be the current vty which is in the VT_PROCESS
2511 if ((vw != vd->vd_curwindow) || (vw->vw_smode.mode !=
2515 /* ...and this process is controlling it. */
2516 if (vw->vw_proc != td->td_proc) {
2520 switch(*(int *)data) {
2521 case VT_FALSE: /* user refuses to release screen, abort */
2522 if ((error = finish_vt_rel(vw, FALSE, &s)) == 0)
2523 DPRINTF(5, "%s%d: VT_RELDISP: VT_FALSE\n",
2524 SC_DRIVER_NAME, VT_UNIT(vw));
2526 case VT_TRUE: /* user has released screen, go on */
2527 /* finish_vt_rel(..., TRUE, ...) should not be locked */
2528 if (vw->vw_flags & VWF_SWWAIT_REL) {
2529 if ((error = finish_vt_rel(vw, TRUE, &s)) == 0)
2530 DPRINTF(5, "%s%d: VT_RELDISP: VT_TRUE\n",
2531 SC_DRIVER_NAME, VT_UNIT(vw));
2536 case VT_ACKACQ: /* acquire acknowledged, switch completed */
2537 if ((error = finish_vt_acq(vw)) == 0)
2538 DPRINTF(5, "%s%d: VT_RELDISP: VT_ACKACQ\n",
2539 SC_DRIVER_NAME, VT_UNIT(vw));
2550 static struct vt_window *
2551 vt_allocate_window(struct vt_device *vd, unsigned int window)
2553 struct vt_window *vw;
2554 struct terminal *tm;
2558 vw = malloc(sizeof *vw, M_VT, M_WAITOK|M_ZERO);
2560 vw->vw_number = window;
2561 vw->vw_kbdmode = K_XLATE;
2563 if ((vd->vd_flags & VDF_TEXTMODE) == 0) {
2564 vw->vw_font = vtfont_ref(&vt_font_default);
2565 vt_compute_drawable_area(vw);
2568 vt_termsize(vd, vw->vw_font, &size);
2569 vt_winsize(vd, vw->vw_font, &wsz);
2570 vtbuf_init(&vw->vw_buf, &size);
2572 tm = vw->vw_terminal = terminal_alloc(&vt_termclass, vw);
2573 terminal_set_winsize(tm, &wsz);
2574 vd->vd_windows[window] = vw;
2575 callout_init(&vw->vw_proc_dead_timer, 0);
2581 vt_upgrade(struct vt_device *vd)
2583 struct vt_window *vw;
2585 int register_handlers;
2587 if (!vty_enabled(VTY_VT))
2589 if (main_vd->vd_driver == NULL)
2592 for (i = 0; i < VT_MAXWINDOWS; i++) {
2593 vw = vd->vd_windows[i];
2596 vw = vt_allocate_window(vd, i);
2598 if (!(vw->vw_flags & VWF_READY)) {
2599 callout_init(&vw->vw_proc_dead_timer, 0);
2600 terminal_maketty(vw->vw_terminal, "v%r", VT_UNIT(vw));
2601 vw->vw_flags |= VWF_READY;
2602 if (vw->vw_flags & VWF_CONSOLE) {
2603 /* For existing console window. */
2604 EVENTHANDLER_REGISTER(shutdown_pre_sync,
2605 vt_window_switch, vw, SHUTDOWN_PRI_DEFAULT);
2611 if (vd->vd_curwindow == NULL)
2612 vd->vd_curwindow = vd->vd_windows[VT_CONSWINDOW];
2614 register_handlers = 0;
2615 if (!(vd->vd_flags & VDF_ASYNC)) {
2616 /* Attach keyboard. */
2617 vt_allocate_keyboard(vd);
2619 /* Init 25 Hz timer. */
2620 callout_init_mtx(&vd->vd_timer, &vd->vd_lock, 0);
2622 /* Start timer when everything ready. */
2623 vd->vd_flags |= VDF_ASYNC;
2624 callout_reset(&vd->vd_timer, hz / VT_TIMERFREQ, vt_timer, vd);
2625 vd->vd_timer_armed = 1;
2626 register_handlers = 1;
2631 /* Refill settings with new sizes. */
2634 if (register_handlers) {
2635 /* Register suspend/resume handlers. */
2636 EVENTHANDLER_REGISTER(power_suspend_early, vt_suspend_handler,
2637 vd, EVENTHANDLER_PRI_ANY);
2638 EVENTHANDLER_REGISTER(power_resume, vt_resume_handler, vd,
2639 EVENTHANDLER_PRI_ANY);
2644 vt_resize(struct vt_device *vd)
2646 struct vt_window *vw;
2649 for (i = 0; i < VT_MAXWINDOWS; i++) {
2650 vw = vd->vd_windows[i];
2652 /* Assign default font to window, if not textmode. */
2653 if (!(vd->vd_flags & VDF_TEXTMODE) && vw->vw_font == NULL)
2654 vw->vw_font = vtfont_ref(&vt_font_default);
2657 /* Resize terminal windows */
2658 while (vt_change_font(vw, vw->vw_font) == EBUSY) {
2659 DPRINTF(100, "%s: vt_change_font() is busy, "
2660 "window %d\n", __func__, i);
2666 vt_replace_backend(const struct vt_driver *drv, void *softc)
2668 struct vt_device *vd;
2672 if (vd->vd_flags & VDF_ASYNC) {
2673 /* Stop vt_flush periodic task. */
2675 vt_suspend_flush_timer(vd);
2678 * Mute current terminal until we done. vt_change_font (called
2679 * from vt_resize) will unmute it.
2681 terminal_mute(vd->vd_curwindow->vw_terminal, 1);
2685 * Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will
2689 vd->vd_flags &= ~VDF_TEXTMODE;
2693 * We want to upgrade from the current driver to the
2697 vd->vd_prev_driver = vd->vd_driver;
2698 vd->vd_prev_softc = vd->vd_softc;
2699 vd->vd_driver = drv;
2700 vd->vd_softc = softc;
2702 vd->vd_driver->vd_init(vd);
2703 } else if (vd->vd_prev_driver != NULL && vd->vd_prev_softc != NULL) {
2705 * No driver given: we want to downgrade to the previous
2708 const struct vt_driver *old_drv;
2711 old_drv = vd->vd_driver;
2712 old_softc = vd->vd_softc;
2714 vd->vd_driver = vd->vd_prev_driver;
2715 vd->vd_softc = vd->vd_prev_softc;
2716 vd->vd_prev_driver = NULL;
2717 vd->vd_prev_softc = NULL;
2719 vd->vd_flags |= VDF_DOWNGRADE;
2721 vd->vd_driver->vd_init(vd);
2723 if (old_drv->vd_fini)
2724 old_drv->vd_fini(vd, old_softc);
2726 vd->vd_flags &= ~VDF_DOWNGRADE;
2731 /* Update windows sizes and initialize last items. */
2735 if (vd->vd_flags & VDF_SPLASH)
2739 if (vd->vd_flags & VDF_ASYNC) {
2740 /* Allow to put chars now. */
2741 terminal_mute(vd->vd_curwindow->vw_terminal, 0);
2742 /* Rerun timer for screen updates. */
2743 vt_resume_flush_timer(vd, 0);
2747 * Register as console. If it already registered, cnadd() will ignore
2750 termcn_cnregister(vd->vd_windows[VT_CONSWINDOW]->vw_terminal);
2754 vt_suspend_handler(void *priv)
2756 struct vt_device *vd;
2759 if (vd->vd_driver != NULL && vd->vd_driver->vd_suspend != NULL)
2760 vd->vd_driver->vd_suspend(vd);
2764 vt_resume_handler(void *priv)
2766 struct vt_device *vd;
2769 if (vd->vd_driver != NULL && vd->vd_driver->vd_resume != NULL)
2770 vd->vd_driver->vd_resume(vd);
2774 vt_allocate(const struct vt_driver *drv, void *softc)
2777 if (!vty_enabled(VTY_VT))
2780 if (main_vd->vd_driver == NULL) {
2781 main_vd->vd_driver = drv;
2782 printf("VT: initialize with new VT driver \"%s\".\n",
2786 * Check if have rights to replace current driver. For example:
2787 * it is bad idea to replace KMS driver with generic VGA one.
2789 if (drv->vd_priority <= main_vd->vd_driver->vd_priority) {
2790 printf("VT: Driver priority %d too low. Current %d\n ",
2791 drv->vd_priority, main_vd->vd_driver->vd_priority);
2794 printf("VT: Replacing driver \"%s\" with new \"%s\".\n",
2795 main_vd->vd_driver->vd_name, drv->vd_name);
2798 vt_replace_backend(drv, softc);
2802 vt_deallocate(const struct vt_driver *drv, void *softc)
2805 if (!vty_enabled(VTY_VT))
2808 if (main_vd->vd_prev_driver == NULL ||
2809 main_vd->vd_driver != drv ||
2810 main_vd->vd_softc != softc)
2813 printf("VT: Switching back from \"%s\" to \"%s\".\n",
2814 main_vd->vd_driver->vd_name, main_vd->vd_prev_driver->vd_name);
2816 vt_replace_backend(NULL, NULL);
2820 vt_suspend(struct vt_device *vd)
2824 if (vt_suspendswitch == 0)
2826 /* Save current window. */
2827 vd->vd_savedwindow = vd->vd_curwindow;
2828 /* Ask holding process to free window and switch to console window */
2829 vt_proc_window_switch(vd->vd_windows[VT_CONSWINDOW]);
2831 /* Wait for the window switch to complete. */
2834 while (vd->vd_curwindow != vd->vd_windows[VT_CONSWINDOW] && error == 0)
2835 error = cv_wait_sig(&vd->vd_winswitch, &vd->vd_lock);
2840 vt_resume(struct vt_device *vd)
2843 if (vt_suspendswitch == 0)
2845 /* Switch back to saved window, if any */
2846 vt_proc_window_switch(vd->vd_savedwindow);
2847 vd->vd_savedwindow = NULL;