2 * Copyright (c) 1992-1998 Søren Schmidt
5 * This code is derived from software contributed to The DragonFly Project
6 * by Sascha Wildner <saw@online.de>
8 * Simple font scaling code by Sascha Wildner and Matthew Dillon
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer,
15 * without modification, immediately at the beginning of the file.
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.
19 * 3. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 * $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/dev/syscons/syscons.c,v 1.336.2.17 2004/03/25 08:41:09 ru Exp $
36 #include "use_splash.h"
37 #include "opt_syscons.h"
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/eventhandler.h>
43 #include <sys/reboot.h>
47 #include <sys/signalvar.h>
48 #include <sys/sysctl.h>
49 #include <sys/taskqueue.h>
51 #include <sys/kernel.h>
53 #include <sys/random.h>
56 #include <sys/thread2.h>
57 #include <sys/mutex2.h>
59 #include <machine/clock.h>
60 #include <machine/console.h>
61 #include <machine/psl.h>
62 #include <machine/pc/display.h>
63 #include <machine/frame.h>
64 #include <machine/framebuffer.h>
66 #include <dev/misc/kbd/kbdreg.h>
67 #include <dev/video/fb/fbreg.h>
68 #include <dev/video/fb/splashreg.h>
74 #define DEFAULT_BLANKTIME (5*60) /* 5 minutes */
75 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */
77 #define SCRN_ASYNCOK 0x0001
78 #define SCRN_BULKUNLOCK 0x0002
80 #define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */
81 #define WANT_UNLOCK(m) do { \
86 #define WANT_LOCK(m) do { \
92 MALLOC_DEFINE(M_SYSCONS
, "syscons", "Syscons");
94 typedef struct default_attr
{
95 int std_color
; /* normal hardware color */
96 int rev_color
; /* reverse hardware color */
99 static default_attr user_default
= {
104 static default_attr kernel_default
= {
106 SC_KERNEL_CONS_REV_ATTR
,
109 static int sc_console_unit
= -1;
110 static scr_stat
*sc_console
;
111 static struct tty
*sc_console_tty
;
112 static void *kernel_console_ts
;
114 static char init_done
= COLD
;
115 static char shutdown_in_progress
= FALSE
;
116 static char sc_malloc
= FALSE
;
117 static char sc_filled_border
= FALSE
; /* filled initial VT border */
119 static int saver_mode
= CONS_NO_SAVER
; /* LKM/user saver */
120 static int run_scrn_saver
= FALSE
; /* should run the saver? */
121 static long scrn_blank_time
= 0; /* screen saver timeout value */
123 static int scrn_blanked
; /* # of blanked screen */
124 static int sticky_splash
= FALSE
;
126 static void none_saver(sc_softc_t
*sc
, int blank
) { }
127 static void (*current_saver
)(sc_softc_t
*, int) = none_saver
;
131 * Lock for asynchronous screen update thread, needed to safely modify the
132 * framebuffer information.
134 static struct lock sc_asynctd_lk
;
136 #if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT)
140 static bios_values_t bios_value
;
142 static int enable_panic_key
;
143 SYSCTL_INT(_machdep
, OID_AUTO
, enable_panic_key
, CTLFLAG_RW
, &enable_panic_key
,
144 0, "Enable the panic key (CTRL-ALT-SHIFT-ESC)");
145 static int syscons_async
;
146 SYSCTL_INT(_kern
, OID_AUTO
, syscons_async
, CTLFLAG_RW
, &syscons_async
,
147 0, "Asynchronous bulk syscons fb updates");
149 static int desired_cols
= 0;
150 TUNABLE_INT("kern.kms_columns", &desired_cols
);
152 #define SC_CONSOLECTL 255
154 #define VIRTUAL_TTY(sc, x) ((SC_DEV((sc),(x)) != NULL) ? \
155 (SC_DEV((sc),(x))->si_tty) : NULL)
156 #define ISTTYOPEN(tp) ((tp) && ((tp)->t_state & TS_ISOPEN))
159 static cdev_t cctl_dev
;
161 static timeout_t blink_screen_callout
;
163 static void sc_blink_screen(scr_stat
*scp
);
164 static struct mtx syscons_mtx
= MTX_INITIALIZER("syscons");
167 static int scvidprobe(int unit
, int flags
, int cons
);
168 static int sckbdprobe(int unit
, int flags
, int cons
);
169 static void scmeminit(void *arg
);
170 static int scdevtounit(cdev_t dev
);
171 static kbd_callback_func_t sckbdevent
;
172 static int scparam(struct tty
*tp
, struct termios
*t
);
173 static void scstart(struct tty
*tp
);
174 static void scinit(int unit
, int flags
);
175 static void scterm(int unit
, int flags
);
176 static void scshutdown(void *arg
, int howto
);
177 static void sc_puts(scr_stat
*scp
, u_char
*buf
, int len
);
178 static u_int
scgetc(sc_softc_t
*sc
, u_int flags
);
180 #define SCGETC_NONBLOCK 2
181 static int sccngetch(int flags
);
182 static void sccnupdate(scr_stat
*scp
);
183 static scr_stat
*alloc_scp(sc_softc_t
*sc
, int vty
);
184 static void init_scp(sc_softc_t
*sc
, int vty
, scr_stat
*scp
);
185 static timeout_t scrn_timer
;
186 static int and_region(int *s1
, int *e1
, int s2
, int e2
);
187 static void scrn_update(scr_stat
*scp
, int show_cursor
, int flags
);
188 static void scrn_update_thread(void *arg
);
190 static void sc_fb_set_par(void *context
, int pending
);
192 static void sc_fb_blank(void *context
, int pending
);
196 static void scframebuffer_saver(sc_softc_t
*sc
, int show
);
197 static int scsplash_callback(int event
, void *arg
);
198 static void scsplash_saver(sc_softc_t
*sc
, int show
);
199 static int add_scrn_saver(void (*this_saver
)(sc_softc_t
*, int));
200 static int remove_scrn_saver(void (*this_saver
)(sc_softc_t
*, int));
201 static int set_scrn_saver_mode(scr_stat
*scp
, int mode
, u_char
*pal
, int border
);
202 static int restore_scrn_saver_mode(scr_stat
*scp
, int changemode
);
203 static void stop_scrn_saver(sc_softc_t
*sc
, void (*saver
)(sc_softc_t
*, int));
204 static int wait_scrn_saver_stop(sc_softc_t
*sc
, int need_unlock
);
205 #define scsplash_stick(stick) (sticky_splash = (stick))
207 #define scsplash_stick(stick)
210 static void do_switch_scr(sc_softc_t
*sc
);
211 static int vt_proc_alive(scr_stat
*scp
);
212 static int signal_vt_rel(scr_stat
*scp
);
213 static int signal_vt_acq(scr_stat
*scp
);
214 static int finish_vt_rel(scr_stat
*scp
, int release
);
215 static int finish_vt_acq(scr_stat
*scp
);
216 static void exchange_scr(sc_softc_t
*sc
);
217 static void update_cursor_image(scr_stat
*scp
);
218 static int save_kbd_state(scr_stat
*scp
, int unlock
);
219 static int update_kbd_state(scr_stat
*scp
, int state
, int mask
, int unlock
);
220 static int update_kbd_leds(scr_stat
*scp
, int which
);
221 static int sc_allocate_keyboard(sc_softc_t
*sc
, int unit
);
224 * Console locking support functions.
226 * We use mutex spinlocks here in order to allow reentrancy which should
227 * avoid issues during panics.
229 * A panic can stop a cpu while it is holding the syscons_mtx. If this
230 * occurs we try for up to 1/2 a second and then blow the spinlock away.
231 * The asynchronous update thread makes this happen more often.
236 if (panicstr
|| shutdown_in_progress
) {
237 int retries
= 500000;
238 while (mtx_spinlock_try(&syscons_mtx
)) {
239 tsc_delay(1000); /* 1uS */
240 if (--retries
== 0) {
241 mtx_init(&syscons_mtx
, "syscons");
246 mtx_spinlock(&syscons_mtx
);
251 * Returns 0 on success, EAGAIN on failure.
254 syscons_lock_nonblock(void)
256 return(mtx_spinlock_try(&syscons_mtx
));
262 mtx_spinunlock(&syscons_mtx
);
268 static cn_probe_t sccnprobe
;
269 static cn_init_t sccninit
;
270 static cn_init_t sccninit_fini
;
271 static cn_getc_t sccngetc
;
272 static cn_checkc_t sccncheckc
;
273 static cn_putc_t sccnputc
;
274 static cn_dbctl_t sccndbctl
;
275 static cn_term_t sccnterm
;
276 static cn_poll_t sccnpoll
;
278 CONS_DRIVER(sc
, sccnprobe
, sccninit
, sccninit_fini
, sccnterm
,
279 sccngetc
, sccncheckc
, sccnputc
, sccndbctl
, sccnpoll
);
281 static d_open_t scopen
;
282 static d_close_t scclose
;
283 static d_read_t scread
;
284 static d_ioctl_t scioctl
;
285 static d_mmap_t scmmap
;
287 static struct dev_ops sc_ops
= {
288 { "sc", 0, D_TTY
| D_MPSAFE
},
295 .d_kqfilter
= ttykqfilter
,
296 .d_revoke
= ttyrevoke
300 sc_probe_unit(int unit
, int flags
)
302 if ((flags
& SC_EFI_FB
) && (probe_efi_fb(0) != 0)) {
304 kprintf("sc%d: no EFI framebuffer found.\n", unit
);
308 if (!(flags
& SC_EFI_FB
) && !scvidprobe(unit
, flags
, FALSE
)) {
310 kprintf("sc%d: no video adapter found.\n", unit
);
314 /* syscons will be attached even when there is no keyboard */
315 sckbdprobe(unit
, flags
, FALSE
);
321 register_framebuffer(struct fb_info
*info
)
325 /* For now ignore framebuffers, which don't replace the vga display */
326 if (!info
->is_vga_boot_display
)
329 lwkt_gettoken(&tty_token
);
330 sc
= sc_get_softc(0, (sc_console_unit
== 0) ? SC_KERNEL_CONSOLE
: 0);
332 lwkt_reltoken(&tty_token
);
333 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__
,
334 0, (sc_console_unit
== 0) ? SC_KERNEL_CONSOLE
: 0);
338 /* Ignore this framebuffer if we already switched to KMS framebuffer */
339 if (sc
->fbi
!= NULL
&& sc
->fbi
!= &efi_fb_info
&&
340 sc
->fbi
!= sc
->dummy_fb_info
) {
341 lwkt_reltoken(&tty_token
);
345 if (sc
->fb_set_par_task
== NULL
) {
346 sc
->fb_set_par_task
= kmalloc(sizeof(struct task
),
347 M_SYSCONS
, M_WAITOK
| M_ZERO
);
349 TASK_INIT(sc
->fb_set_par_task
, 0, sc_fb_set_par
, sc
);
351 if (sc
->fb_blank_task
== NULL
) {
352 sc
->fb_blank_task
= kmalloc(sizeof(struct task
),
353 M_SYSCONS
, M_WAITOK
| M_ZERO
);
355 TASK_INIT(sc
->fb_blank_task
, 0, sc_fb_blank
, sc
);
359 * Make sure that console messages don't interfere too much with
362 atomic_add_int(&sc
->videoio_in_progress
, 1);
364 /* Lock against synchronous and asynchronous screen updates */
365 lockmgr(&sc_asynctd_lk
, LK_EXCLUSIVE
);
368 sc
->fbi_generation
++;
371 kprintf("kms console: xpixels %d ypixels %d\n",
372 sc
->fbi
->width
, sc
->fbi
->height
);
373 sc_update_render(sc
->cur_scp
);
374 if (info
->fbops
.fb_set_par
!= NULL
)
375 info
->fbops
.fb_set_par(info
);
376 atomic_add_int(&sc
->videoio_in_progress
, -1);
378 sc
->fb_blanked
= FALSE
;
379 if (sc
->unit
== sc_console_unit
&& sc
->cur_scp
->smode
.mode
!= VT_AUTO
)
380 cons_unavail
= FALSE
;
382 if (info
->fbops
.fb_blank
!= NULL
)
383 add_scrn_saver(scframebuffer_saver
);
386 lockmgr(&sc_asynctd_lk
, LK_RELEASE
);
387 lwkt_reltoken(&tty_token
);
392 unregister_framebuffer(struct fb_info
*info
)
396 lwkt_gettoken(&tty_token
);
397 sc
= sc_get_softc(0, (sc_console_unit
== 0) ? SC_KERNEL_CONSOLE
: 0);
399 lwkt_reltoken(&tty_token
);
400 kprintf("%s: sc_get_softc(%d, %d) returned NULL\n", __func__
,
401 0, (sc_console_unit
== 0) ? SC_KERNEL_CONSOLE
: 0);
405 if (sc
->fbi
!= info
) {
406 lwkt_reltoken(&tty_token
);
411 if (info
->fbops
.fb_blank
!= NULL
)
412 remove_scrn_saver(scframebuffer_saver
);
415 if (sc
->fb_set_par_task
!= NULL
&&
416 taskqueue_cancel(taskqueue_thread
[0], sc
->fb_set_par_task
, NULL
)) {
417 taskqueue_drain(taskqueue_thread
[0], sc
->fb_set_par_task
);
420 if (sc
->fb_blank_task
!= NULL
&&
421 taskqueue_cancel(taskqueue_thread
[0], sc
->fb_blank_task
, NULL
)) {
422 taskqueue_drain(taskqueue_thread
[0], sc
->fb_blank_task
);
425 sc
->fb_blanked
= TRUE
;
426 if (sc
->unit
== sc_console_unit
)
429 if (sc
->dummy_fb_info
== NULL
) {
430 sc
->dummy_fb_info
= kmalloc(sizeof(struct fb_info
),
431 M_SYSCONS
, M_WAITOK
| M_ZERO
);
433 memset(sc
->dummy_fb_info
, 0, sizeof(struct fb_info
));
435 *sc
->dummy_fb_info
= *sc
->fbi
;
436 sc
->dummy_fb_info
->vaddr
= 0;
437 sc
->dummy_fb_info
->fbops
.fb_set_par
= NULL
;
438 sc
->dummy_fb_info
->fbops
.fb_blank
= NULL
;
439 sc
->dummy_fb_info
->fbops
.fb_debug_enter
= NULL
;
441 /* Lock against synchronous and asynchronous screen updates */
442 lockmgr(&sc_asynctd_lk
, LK_EXCLUSIVE
);
444 sc
->fbi
= sc
->dummy_fb_info
;
446 lockmgr(&sc_asynctd_lk
, LK_RELEASE
);
448 lwkt_reltoken(&tty_token
);
452 sc_font_scale(scr_stat
*scp
, int max_cols
, int max_rows
)
457 * If columns not specified in /boot/loader.conf then
458 * calculate a non-fractional scaling that yields a
459 * reasonable number of rows and columns. If it is <0,
460 * don't scale at all.
462 if (desired_cols
== 0) {
464 while (scp
->xpixel
/ (scp
->font_width
* nomag
) >= 80 &&
465 scp
->ypixel
/ (scp
->font_height
* nomag
) >= 25) {
470 cols
= scp
->xpixel
/ (scp
->font_width
* nomag
);
471 } else if (desired_cols
< 0) {
472 cols
= scp
->xpixel
/ scp
->font_width
;
476 scp
->blk_width
= scp
->xpixel
/ cols
;
477 scp
->blk_height
= scp
->blk_width
* scp
->font_height
/ scp
->font_width
;
478 rows
= scp
->ypixel
/ scp
->blk_height
;
480 /* scp->xsize = scp->xpixel / scp->blk_width; total possible */
481 scp
->xsize
= max_cols
? imin(max_cols
, cols
) : cols
;
482 scp
->ysize
= max_rows
? imin(max_rows
, rows
) : rows
;
485 /* probe video adapters, return TRUE if found */
487 scvidprobe(int unit
, int flags
, int cons
)
490 * Access the video adapter driver through the back door!
491 * Video adapter drivers need to be configured before syscons.
492 * However, when syscons is being probed as the low-level console,
493 * they have not been initialized yet. We force them to initialize
494 * themselves here. XXX
496 vid_configure(cons
? VIO_PROBE_ONLY
: 0);
498 return (vid_find_adapter("*", unit
) >= 0);
501 /* probe the keyboard, return TRUE if found */
503 sckbdprobe(int unit
, int flags
, int cons
)
505 /* access the keyboard driver through the backdoor! */
506 kbd_configure(cons
? KB_CONF_PROBE_ONLY
: 0);
508 return (kbd_find_keyboard("*", unit
) >= 0);
512 adapter_name(video_adapter_t
*adp
)
518 { KD_MONO
, { "MDA", "MDA" } },
519 { KD_HERCULES
, { "Hercules", "Hercules" } },
520 { KD_CGA
, { "CGA", "CGA" } },
521 { KD_EGA
, { "EGA", "EGA (mono)" } },
522 { KD_VGA
, { "VGA", "VGA (mono)" } },
523 { KD_TGA
, { "TGA", "TGA" } },
524 { -1, { "Unknown", "Unknown" } },
528 for (i
= 0; names
[i
].type
!= -1; ++i
)
529 if (names
[i
].type
== adp
->va_type
)
531 return names
[i
].name
[(adp
->va_flags
& V_ADP_COLOR
) ? 0 : 1];
535 sc_attach_unit(int unit
, int flags
)
541 flags
&= ~SC_KERNEL_CONSOLE
;
543 if ((flags
& SC_EFI_FB
) && probe_efi_fb(0) != 0)
546 if (sc_console_unit
== unit
) {
548 * If this unit is being used as the system console, we need to
549 * adjust some variables and buffers before and after scinit().
551 /* assert(sc_console != NULL) */
552 flags
|= SC_KERNEL_CONSOLE
;
557 if (sc_console
->tsw
->te_size
> 0) {
558 /* assert(sc_console->ts != NULL); */
559 kernel_console_ts
= sc_console
->ts
;
560 sc_console
->ts
= kmalloc(sc_console
->tsw
->te_size
,
561 M_SYSCONS
, M_WAITOK
);
562 bcopy(kernel_console_ts
, sc_console
->ts
, sc_console
->tsw
->te_size
);
563 (*sc_console
->tsw
->te_default_attr
)(sc_console
,
564 user_default
.std_color
,
565 user_default
.rev_color
);
571 sc
= sc_get_softc(unit
, flags
& SC_KERNEL_CONSOLE
);
574 * If this is the console we couldn't setup sc->dev before because
575 * malloc wasn't working. Set it up now.
577 if (flags
& SC_KERNEL_CONSOLE
) {
578 KKASSERT(sc
->dev
== NULL
);
579 sc
->dev
= kmalloc(sizeof(cdev_t
)*sc
->vtys
, M_SYSCONS
, M_WAITOK
|M_ZERO
);
580 sc
->dev
[0] = make_dev(&sc_ops
, sc_console_unit
*MAXCONS
, UID_ROOT
,
582 "ttyv%r", sc_console_unit
*MAXCONS
);
583 sc
->dev
[0]->si_tty
= ttymalloc(sc
->dev
[0]->si_tty
);
584 sc
->dev
[0]->si_drv1
= sc_console
;
588 * Finish up the standard attach
591 callout_init_mp(&sc
->scrn_timer_ch
);
592 scp
= SC_STAT(sc
->dev
[0]);
593 if (sc_console
== NULL
) /* sc_console_unit < 0 */
596 /* initialize cursor */
598 update_cursor_image(scp
);
600 /* get screen update going */
603 /* set up the keyboard */
604 kbd_ioctl(sc
->kbd
, KDSKBMODE
, (caddr_t
)&scp
->kbd_mode
);
605 update_kbd_state(scp
, scp
->status
, LOCK_MASK
, FALSE
);
607 kprintf("sc%d: %s <%d virtual consoles, flags=0x%x>\n",
608 unit
, (sc
->config
& SC_EFI_FB
) ? "EFI_FB" : adapter_name(sc
->adp
),
609 sc
->vtys
, sc
->config
);
611 kprintf("sc%d:", unit
);
612 if (sc
->adapter
>= 0)
613 kprintf(" fb%d", sc
->adapter
);
614 if (sc
->keyboard
>= 0)
615 kprintf(", kbd%d", sc
->keyboard
);
617 kprintf(", terminal emulator: %s (%s)",
618 scp
->tsw
->te_name
, scp
->tsw
->te_desc
);
622 /* register a shutdown callback for the kernel console */
623 if (sc_console_unit
== unit
)
624 EVENTHANDLER_REGISTER(shutdown_pre_sync
, scshutdown
,
625 (void *)(uintptr_t)unit
, SHUTDOWN_PRI_DEFAULT
);
630 * The first vty already has struct tty and scr_stat initialized
631 * in scinit(). The other vtys will have these structs when
634 for (vc
= 1; vc
< sc
->vtys
; vc
++) {
635 dev
= make_dev(&sc_ops
, vc
+ unit
* MAXCONS
,
637 0600, "ttyv%r", vc
+ unit
* MAXCONS
);
640 cctl_dev
= make_dev(&sc_ops
, SC_CONSOLECTL
,
641 UID_ROOT
, GID_WHEEL
, 0600, "consolectl");
642 cctl_dev
->si_tty
= sc_console_tty
= ttymalloc(sc_console_tty
);
643 cctl_dev
->si_drv1
= sc_console
;
655 * As soon as malloc() becomes functional, we had better allocate
656 * various buffers for the kernel console.
659 if (sc_console_unit
< 0) /* sc_console == NULL */
662 /* copy the temporary buffer to the final buffer */
663 sc_alloc_scr_buffer(sc_console
, TRUE
, FALSE
);
665 #ifndef SC_NO_CUTPASTE
666 sc_alloc_cut_buffer(sc_console
, TRUE
);
669 #ifndef SC_NO_HISTORY
670 /* initialize history buffer & pointers */
671 sc_alloc_history_buffer(sc_console
, 0, 0, TRUE
);
674 /* Fill initial terminal border, efi_fb_info.vaddr should be non-NULL now */
675 if (!sc_filled_border
) {
676 sc_filled_border
= TRUE
;
677 sc_set_border(sc_console
, sc_console
->border
);
681 SYSINIT(sc_mem
, SI_BOOT1_POST
, SI_ORDER_ANY
, scmeminit
, NULL
);
684 scdevtounit(cdev_t dev
)
686 int vty
= SC_VTY(dev
);
688 if (vty
== SC_CONSOLECTL
)
689 return ((sc_console
!= NULL
) ? sc_console
->sc
->unit
: -1);
690 else if ((vty
< 0) || (vty
>= MAXCONS
*sc_max_unit()))
697 scopen(struct dev_open_args
*ap
)
699 cdev_t dev
= ap
->a_head
.a_dev
;
707 lwkt_gettoken(&tty_token
);
708 unit
= scdevtounit(dev
);
709 DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n",
710 major(dev
), minor(dev
), unit
, SC_VTY(dev
)));
712 sc
= sc_get_softc(unit
, (sc_console_unit
== unit
) ? SC_KERNEL_CONSOLE
: 0);
714 lwkt_reltoken(&tty_token
);
718 tp
= dev
->si_tty
= ttymalloc(dev
->si_tty
);
719 tp
->t_oproc
= scstart
;
720 tp
->t_param
= scparam
;
721 tp
->t_stop
= nottystop
;
725 if (!ISTTYOPEN(tp
)) {
727 /* Use the current setting of the <-- key as default VERASE. */
728 /* If the Delete key is preferable, an stty is necessary */
729 if (sc
->kbd
!= NULL
) {
730 key
.keynum
= KEYCODE_BS
;
731 kbd_ioctl(sc
->kbd
, GIO_KEYMAPENT
, (caddr_t
)&key
);
732 tp
->t_cc
[VERASE
] = key
.key
.map
[0];
734 tp
->t_iflag
= TTYDEF_IFLAG
;
735 tp
->t_oflag
= TTYDEF_OFLAG
;
736 tp
->t_cflag
= TTYDEF_CFLAG
;
737 tp
->t_lflag
= TTYDEF_LFLAG
;
738 tp
->t_ispeed
= tp
->t_ospeed
= TTYDEF_SPEED
;
739 scparam(tp
, &tp
->t_termios
);
740 (*linesw
[tp
->t_line
].l_modem
)(tp
, 1);
743 if (tp
->t_state
& TS_XCLUDE
&& priv_check_cred(ap
->a_cred
, PRIV_ROOT
, 0)) {
744 lwkt_reltoken(&tty_token
);
748 error
= (*linesw
[tp
->t_line
].l_open
)(dev
, tp
);
752 scp
= dev
->si_drv1
= alloc_scp(sc
, SC_VTY(dev
));
755 sc_set_pixel_mode(scp
, NULL
, COL
, ROW
, 16);
758 if (!tp
->t_winsize
.ws_col
&& !tp
->t_winsize
.ws_row
) {
759 tp
->t_winsize
.ws_col
= scp
->xsize
;
760 tp
->t_winsize
.ws_row
= scp
->ysize
;
764 * Start optional support thread for syscons refreshes. This thread
765 * will execute the refresh without the syscons_lock held and will
766 * allow interrupts while it is doing so.
768 if (scp
->asynctd
== NULL
) {
769 lwkt_create(scrn_update_thread
, scp
, &scp
->asynctd
, NULL
, 0, -1,
770 "syscons%d", SC_VTY(dev
));
772 lwkt_reltoken(&tty_token
);
777 scclose(struct dev_close_args
*ap
)
779 cdev_t dev
= ap
->a_head
.a_dev
;
780 struct tty
*tp
= dev
->si_tty
;
783 lwkt_gettoken(&tty_token
);
784 if (SC_VTY(dev
) != SC_CONSOLECTL
) {
785 scp
= SC_STAT(tp
->t_dev
);
786 /* were we in the middle of the VT switching process? */
787 DPRINTF(5, ("sc%d: scclose(), ", scp
->sc
->unit
));
788 if ((scp
== scp
->sc
->cur_scp
) && (scp
->sc
->unit
== sc_console_unit
) &&
789 !scp
->sc
->fb_blanked
) {
790 cons_unavail
= FALSE
;
792 if (finish_vt_rel(scp
, TRUE
) == 0) /* force release */
793 DPRINTF(5, ("reset WAIT_REL, "));
794 if (finish_vt_acq(scp
) == 0) /* force acknowledge */
795 DPRINTF(5, ("reset WAIT_ACQ, "));
798 if (scp
== &main_console
) {
801 scp
->smode
.mode
= VT_AUTO
;
804 sc_vtb_destroy(&scp
->vtb
);
805 sc_vtb_destroy(&scp
->scr
);
806 sc_free_history_buffer(scp
, scp
->ysize
);
808 kfree(scp
, M_SYSCONS
);
813 scp
->smode
.mode
= VT_AUTO
;
815 scp
->kbd_mode
= K_XLATE
;
817 if (scp
== scp
->sc
->cur_scp
)
818 kbd_ioctl(scp
->sc
->kbd
, KDSKBMODE
, (caddr_t
)&scp
->kbd_mode
);
819 DPRINTF(5, ("done.\n"));
821 (*linesw
[tp
->t_line
].l_close
)(tp
, ap
->a_fflag
);
823 lwkt_reltoken(&tty_token
);
829 scread(struct dev_read_args
*ap
)
833 lwkt_gettoken(&tty_token
);
834 sc_touch_scrn_saver();
836 lwkt_reltoken(&tty_token
);
841 sckbdevent(keyboard_t
*thiskbd
, int event
, void *arg
)
849 lwkt_gettoken(&tty_token
);
851 * WARNING: In early boot sc->dev may not be setup yet.
853 sc
= (sc_softc_t
*)arg
;
854 /* assert(thiskbd == sc->kbd) */
858 if (sc
->kbd
&& sc
->kbd
->kb_flags
& KB_POLLED
) {
859 lwkt_reltoken(&tty_token
);
863 case KBDIO_UNLOADING
:
868 kbd_release(thiskbd
, (void *)&sc
->keyboard
);
869 lwkt_reltoken(&tty_token
);
872 lwkt_reltoken(&tty_token
);
877 * Loop while there is still input to get from the keyboard.
878 * I don't think this is nessesary, and it doesn't fix
879 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX
881 while ((c
= scgetc(sc
, SCGETC_NONBLOCK
)) != NOKEY
) {
882 cur_tty
= VIRTUAL_TTY(sc
, sc
->cur_scp
->index
);
883 if (!ISTTYOPEN(cur_tty
)) {
884 cur_tty
= sc_console_tty
;
885 if (!ISTTYOPEN(cur_tty
))
890 if ((*sc
->cur_scp
->tsw
->te_input
)(sc
->cur_scp
, c
, cur_tty
)) {
896 switch (KEYFLAGS(c
)) {
897 case 0x0000: /* normal key */
898 (*linesw
[cur_tty
->t_line
].l_rint
)(KEYCHAR(c
), cur_tty
);
900 case FKEY
: /* function key, return string */
901 cp
= kbd_get_fkeystr(thiskbd
, KEYCHAR(c
), &len
);
904 (*linesw
[cur_tty
->t_line
].l_rint
)(*cp
++, cur_tty
);
907 case MKEY
: /* meta is active, prepend ESC */
908 (*linesw
[cur_tty
->t_line
].l_rint
)(0x1b, cur_tty
);
909 (*linesw
[cur_tty
->t_line
].l_rint
)(KEYCHAR(c
), cur_tty
);
911 case BKEY
: /* backtab fixed sequence (esc [ Z) */
912 (*linesw
[cur_tty
->t_line
].l_rint
)(0x1b, cur_tty
);
913 (*linesw
[cur_tty
->t_line
].l_rint
)('[', cur_tty
);
914 (*linesw
[cur_tty
->t_line
].l_rint
)('Z', cur_tty
);
920 sc
->cur_scp
->status
|= MOUSE_HIDDEN
;
923 lwkt_reltoken(&tty_token
);
928 scparam(struct tty
*tp
, struct termios
*t
)
930 lwkt_gettoken(&tty_token
);
931 tp
->t_ispeed
= t
->c_ispeed
;
932 tp
->t_ospeed
= t
->c_ospeed
;
933 tp
->t_cflag
= t
->c_cflag
;
934 lwkt_reltoken(&tty_token
);
939 scioctl(struct dev_ioctl_args
*ap
)
941 cdev_t dev
= ap
->a_head
.a_dev
;
942 u_long cmd
= ap
->a_cmd
;
943 caddr_t data
= ap
->a_data
;
944 int flag
= ap
->a_fflag
;
951 lwkt_gettoken(&tty_token
);
954 error
= sc_vid_ioctl(tp
, cmd
, data
, flag
);
955 if (error
!= ENOIOCTL
) {
956 lwkt_reltoken(&tty_token
);
960 #ifndef SC_NO_HISTORY
961 error
= sc_hist_ioctl(tp
, cmd
, data
, flag
);
962 if (error
!= ENOIOCTL
) {
963 lwkt_reltoken(&tty_token
);
968 #ifndef SC_NO_SYSMOUSE
969 error
= sc_mouse_ioctl(tp
, cmd
, data
, flag
);
970 if (error
!= ENOIOCTL
) {
971 lwkt_reltoken(&tty_token
);
976 scp
= SC_STAT(tp
->t_dev
);
977 /* assert(scp != NULL) */
978 /* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */
983 error
= (*scp
->tsw
->te_ioctl
)(scp
, tp
, cmd
, data
, flag
);
985 if (error
!= ENOIOCTL
) {
986 lwkt_reltoken(&tty_token
);
991 switch (cmd
) { /* process console hardware related ioctl's */
993 case GIO_ATTR
: /* get current attributes */
994 /* this ioctl is not processed here, but in the terminal emulator */
995 lwkt_reltoken(&tty_token
);
998 case GIO_COLOR
: /* is this a color console ? */
1002 *(int *)data
= (sc
->adp
->va_flags
& V_ADP_COLOR
) ? 1 : 0;
1003 lwkt_reltoken(&tty_token
);
1006 case CONS_BLANKTIME
: /* set screen saver timeout (0 = no saver) */
1007 if (*(int *)data
< 0 || *(int *)data
> MAX_BLANKTIME
) {
1008 lwkt_reltoken(&tty_token
);
1012 scrn_blank_time
= *(int *)data
;
1013 run_scrn_saver
= (scrn_blank_time
!= 0);
1015 lwkt_reltoken(&tty_token
);
1018 case CONS_CURSORTYPE
: /* set cursor type blink/noblink */
1020 if (!ISGRAPHSC(sc
->cur_scp
))
1021 sc_remove_cursor_image(sc
->cur_scp
);
1022 if ((*(int*)data
) & 0x01)
1023 sc
->flags
|= SC_BLINK_CURSOR
;
1025 sc
->flags
&= ~SC_BLINK_CURSOR
;
1026 if ((*(int*)data
) & 0x02) {
1027 sc
->flags
|= SC_CHAR_CURSOR
;
1029 sc
->flags
&= ~SC_CHAR_CURSOR
;
1031 * The cursor shape is global property; all virtual consoles
1032 * are affected. Update the cursor in the current console...
1034 if (!ISGRAPHSC(sc
->cur_scp
)) {
1035 sc_set_cursor_image(sc
->cur_scp
);
1036 sc_draw_cursor_image(sc
->cur_scp
);
1039 lwkt_reltoken(&tty_token
);
1042 case CONS_BELLTYPE
: /* set bell type sound/visual */
1045 if ((*(int *)data
) & 0x01)
1046 sc
->flags
|= SC_VISUAL_BELL
;
1048 sc
->flags
&= ~SC_VISUAL_BELL
;
1050 if ((*(int *)data
) & 0x02)
1051 sc
->flags
|= SC_QUIET_BELL
;
1053 sc
->flags
&= ~SC_QUIET_BELL
;
1056 lwkt_reltoken(&tty_token
);
1059 case CONS_GETINFO
: /* get current (virtual) console info */
1061 vid_info_t
*ptr
= (vid_info_t
*)data
;
1062 if (ptr
->size
== sizeof(struct vid_info
)) {
1063 ptr
->m_num
= sc
->cur_scp
->index
;
1064 ptr
->font_size
= scp
->font_height
;
1065 ptr
->mv_col
= scp
->xpos
;
1066 ptr
->mv_row
= scp
->ypos
;
1067 ptr
->mv_csz
= scp
->xsize
;
1068 ptr
->mv_rsz
= scp
->ysize
;
1070 * The following fields are filled by the terminal emulator. XXX
1077 ptr
->mv_grfc
.fore
= 0; /* not supported */
1078 ptr
->mv_grfc
.back
= 0; /* not supported */
1079 ptr
->mv_ovscan
= scp
->border
;
1080 if (scp
== sc
->cur_scp
)
1081 save_kbd_state(scp
, FALSE
);
1082 ptr
->mk_keylock
= scp
->status
& LOCK_MASK
;
1083 lwkt_reltoken(&tty_token
);
1086 lwkt_reltoken(&tty_token
);
1090 case CONS_GETVERS
: /* get version number */
1091 *(int*)data
= 0x200; /* version 2.0 */
1092 lwkt_reltoken(&tty_token
);
1095 case CONS_IDLE
: /* see if the screen has been idle */
1097 * When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE,
1098 * the user process may have been writing something on the
1099 * screen and syscons is not aware of it. Declare the screen
1100 * is NOT idle if it is in one of these modes. But there is
1101 * an exception to it; if a screen saver is running in the
1102 * graphics mode in the current screen, we should say that the
1103 * screen has been idle.
1105 *(int *)data
= (sc
->flags
& SC_SCRN_IDLE
)
1106 && (!ISGRAPHSC(sc
->cur_scp
)
1107 || (sc
->cur_scp
->status
& SAVER_RUNNING
));
1108 lwkt_reltoken(&tty_token
);
1111 case CONS_SAVERMODE
: /* set saver mode */
1112 switch(*(int *)data
) {
1114 case CONS_USR_SAVER
:
1116 /* if a LKM screen saver is running, stop it first. */
1117 scsplash_stick(FALSE
);
1118 saver_mode
= *(int *)data
;
1120 if ((error
= wait_scrn_saver_stop(NULL
, TRUE
))) {
1122 lwkt_reltoken(&tty_token
);
1125 #endif /* NSPLASH */
1126 run_scrn_saver
= TRUE
;
1127 if (saver_mode
== CONS_USR_SAVER
)
1128 scp
->status
|= SAVER_RUNNING
;
1130 scp
->status
&= ~SAVER_RUNNING
;
1131 scsplash_stick(TRUE
);
1134 case CONS_LKM_SAVER
:
1136 if ((saver_mode
== CONS_USR_SAVER
) && (scp
->status
& SAVER_RUNNING
))
1137 scp
->status
&= ~SAVER_RUNNING
;
1138 saver_mode
= *(int *)data
;
1142 lwkt_reltoken(&tty_token
);
1145 lwkt_reltoken(&tty_token
);
1148 case CONS_SAVERSTART
: /* immediately start/stop the screen saver */
1150 * Note that this ioctl does not guarantee the screen saver
1151 * actually starts or stops. It merely attempts to do so...
1154 run_scrn_saver
= (*(int *)data
!= 0);
1156 sc
->scrn_time_stamp
-= scrn_blank_time
;
1158 lwkt_reltoken(&tty_token
);
1161 case CONS_SCRSHOT
: /* get a screen shot */
1163 scrshot_t
*ptr
= (scrshot_t
*)data
;
1165 if (ISGRAPHSC(scp
)) {
1167 lwkt_reltoken(&tty_token
);
1170 if (scp
->xsize
!= ptr
->xsize
|| scp
->ysize
!= ptr
->ysize
) {
1172 lwkt_reltoken(&tty_token
);
1176 copyout ((void*)scp
->vtb
.vtb_buffer
, ptr
->buf
,
1177 ptr
->xsize
* ptr
->ysize
* sizeof(uint16_t));
1178 lwkt_reltoken(&tty_token
);
1182 case VT_SETMODE
: /* set screen switcher mode */
1184 struct vt_mode
*mode
;
1186 mode
= (struct vt_mode
*)data
;
1187 DPRINTF(5, ("sc%d: VT_SETMODE ", sc
->unit
));
1188 if (scp
->smode
.mode
== VT_PROCESS
) {
1189 if (scp
->proc
== pfindn(scp
->pid
) && scp
->proc
!= curproc
) {
1190 DPRINTF(5, ("error EPERM\n"));
1191 lwkt_reltoken(&tty_token
);
1196 if (mode
->mode
== VT_AUTO
) {
1197 scp
->smode
.mode
= VT_AUTO
;
1200 DPRINTF(5, ("VT_AUTO, "));
1201 if ((scp
== sc
->cur_scp
) && (sc
->unit
== sc_console_unit
) &&
1203 cons_unavail
= FALSE
;
1205 if (finish_vt_rel(scp
, TRUE
) == 0)
1206 DPRINTF(5, ("reset WAIT_REL, "));
1207 if (finish_vt_acq(scp
) == 0)
1208 DPRINTF(5, ("reset WAIT_ACQ, "));
1210 if (!ISSIGVALID(mode
->relsig
) || !ISSIGVALID(mode
->acqsig
)
1211 || !ISSIGVALID(mode
->frsig
)) {
1213 DPRINTF(5, ("error EINVAL\n"));
1214 lwkt_reltoken(&tty_token
);
1217 DPRINTF(5, ("VT_PROCESS %d, ", curproc
->p_pid
));
1218 bcopy(data
, &scp
->smode
, sizeof(struct vt_mode
));
1219 scp
->proc
= curproc
;
1220 scp
->pid
= scp
->proc
->p_pid
;
1221 if ((scp
== sc
->cur_scp
) && (sc
->unit
== sc_console_unit
))
1222 cons_unavail
= TRUE
;
1226 lwkt_reltoken(&tty_token
);
1230 case VT_GETMODE
: /* get screen switcher mode */
1231 bcopy(&scp
->smode
, data
, sizeof(struct vt_mode
));
1232 lwkt_reltoken(&tty_token
);
1235 case VT_RELDISP
: /* screen switcher ioctl */
1237 * This must be the current vty which is in the VT_PROCESS
1241 if ((scp
!= sc
->cur_scp
) || (scp
->smode
.mode
!= VT_PROCESS
)) {
1243 lwkt_reltoken(&tty_token
);
1246 /* ...and this process is controlling it. */
1247 if (scp
->proc
!= curproc
) {
1249 lwkt_reltoken(&tty_token
);
1253 switch(*(int *)data
) {
1254 case VT_FALSE
: /* user refuses to release screen, abort */
1255 if ((error
= finish_vt_rel(scp
, FALSE
)) == 0)
1256 DPRINTF(5, ("sc%d: VT_FALSE\n", sc
->unit
));
1258 case VT_TRUE
: /* user has released screen, go on */
1259 if ((error
= finish_vt_rel(scp
, TRUE
)) == 0)
1260 DPRINTF(5, ("sc%d: VT_TRUE\n", sc
->unit
));
1262 case VT_ACKACQ
: /* acquire acknowledged, switch completed */
1263 if ((error
= finish_vt_acq(scp
)) == 0)
1264 DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc
->unit
));
1270 lwkt_reltoken(&tty_token
);
1273 case VT_OPENQRY
: /* return free virtual console */
1274 for (i
= sc
->first_vty
; i
< sc
->first_vty
+ sc
->vtys
; i
++) {
1275 tp
= VIRTUAL_TTY(sc
, i
);
1276 if (!ISTTYOPEN(tp
)) {
1277 *(int *)data
= i
+ 1;
1278 lwkt_reltoken(&tty_token
);
1282 lwkt_reltoken(&tty_token
);
1285 case VT_ACTIVATE
: /* switch to screen *data */
1286 i
= (*(int *)data
== 0) ? scp
->index
: (*(int *)data
- 1);
1288 sc_clean_up(sc
->cur_scp
, TRUE
);
1289 error
= sc_switch_scr(sc
, i
);
1291 lwkt_reltoken(&tty_token
);
1294 case VT_WAITACTIVE
: /* wait for switch to occur */
1295 i
= (*(int *)data
== 0) ? scp
->index
: (*(int *)data
- 1);
1296 if ((i
< sc
->first_vty
) || (i
>= sc
->first_vty
+ sc
->vtys
)) {
1297 lwkt_reltoken(&tty_token
);
1301 error
= sc_clean_up(sc
->cur_scp
, TRUE
);
1304 lwkt_reltoken(&tty_token
);
1309 * scp might be NULL, we aren't sure why. Check for NULL.
1311 * http://bugs.dragonflybsd.org/issues/2481
1313 scp
= SC_STAT(SC_DEV(sc
, i
));
1314 if (scp
== NULL
|| scp
== scp
->sc
->cur_scp
) {
1315 lwkt_reltoken(&tty_token
);
1318 error
= tsleep((caddr_t
)&scp
->smode
, PCATCH
, "waitvt", 0);
1319 /* May return ERESTART */
1320 lwkt_reltoken(&tty_token
);
1323 case VT_GETACTIVE
: /* get active vty # */
1324 *(int *)data
= sc
->cur_scp
->index
+ 1;
1325 lwkt_reltoken(&tty_token
);
1328 case VT_GETINDEX
: /* get this vty # */
1329 *(int *)data
= scp
->index
+ 1;
1330 lwkt_reltoken(&tty_token
);
1333 case VT_LOCKSWITCH
: /* prevent vty switching */
1335 if ((*(int *)data
) & 0x01)
1336 sc
->flags
|= SC_SCRN_VTYLOCK
;
1338 sc
->flags
&= ~SC_SCRN_VTYLOCK
;
1340 lwkt_reltoken(&tty_token
);
1343 case KDENABIO
: /* allow io operations */
1344 error
= priv_check_cred(ap
->a_cred
, PRIV_ROOT
, 0);
1346 lwkt_reltoken(&tty_token
);
1349 if (securelevel
> 0) {
1350 lwkt_reltoken(&tty_token
);
1353 #if defined(__i386__)
1354 curthread
->td_lwp
->lwp_md
.md_regs
->tf_eflags
|= PSL_IOPL
;
1355 #elif defined(__x86_64__)
1356 curthread
->td_lwp
->lwp_md
.md_regs
->tf_rflags
|= PSL_IOPL
;
1358 lwkt_reltoken(&tty_token
);
1361 case KDDISABIO
: /* disallow io operations (default) */
1362 #if defined(__i386__)
1363 curthread
->td_lwp
->lwp_md
.md_regs
->tf_eflags
&= ~PSL_IOPL
;
1364 #elif defined(__x86_64__)
1365 curthread
->td_lwp
->lwp_md
.md_regs
->tf_rflags
&= ~PSL_IOPL
;
1367 lwkt_reltoken(&tty_token
);
1370 case KDSKBSTATE
: /* set keyboard state (locks) */
1371 if (*(int *)data
& ~LOCK_MASK
) {
1372 lwkt_reltoken(&tty_token
);
1376 scp
->status
&= ~LOCK_MASK
;
1377 scp
->status
|= *(int *)data
;
1379 if (scp
== sc
->cur_scp
)
1380 update_kbd_state(scp
, scp
->status
, LOCK_MASK
, FALSE
);
1381 lwkt_reltoken(&tty_token
);
1384 case KDGKBSTATE
: /* get keyboard state (locks) */
1385 if (scp
== sc
->cur_scp
)
1386 save_kbd_state(scp
, FALSE
);
1387 *(int *)data
= scp
->status
& LOCK_MASK
;
1388 lwkt_reltoken(&tty_token
);
1391 case KDGETREPEAT
: /* get keyboard repeat & delay rates */
1392 case KDSETREPEAT
: /* set keyboard repeat & delay rates (new) */
1393 error
= kbd_ioctl(sc
->kbd
, cmd
, data
);
1394 if (error
== ENOIOCTL
)
1396 lwkt_reltoken(&tty_token
);
1399 case KDSKBMODE
: /* set keyboard mode */
1400 switch (*(int *)data
) {
1401 case K_XLATE
: /* switch to XLT ascii mode */
1402 case K_RAW
: /* switch to RAW scancode mode */
1403 case K_CODE
: /* switch to CODE mode */
1404 scp
->kbd_mode
= *(int *)data
;
1405 if (scp
== sc
->cur_scp
)
1406 kbd_ioctl(sc
->kbd
, cmd
, data
);
1407 lwkt_reltoken(&tty_token
);
1410 lwkt_reltoken(&tty_token
);
1415 case KDGKBMODE
: /* get keyboard mode */
1416 *(int *)data
= scp
->kbd_mode
;
1417 lwkt_reltoken(&tty_token
);
1421 error
= kbd_ioctl(sc
->kbd
, cmd
, data
);
1422 if (error
== ENOIOCTL
)
1424 lwkt_reltoken(&tty_token
);
1427 case KDMKTONE
: /* sound the bell */
1430 sc_bell(scp
, (*(int*)data
)&0xffff,
1431 (((*(int*)data
)>>16)&0xffff)*hz
/1000);
1433 sc_bell(scp
, scp
->bell_pitch
, scp
->bell_duration
);
1435 lwkt_reltoken(&tty_token
);
1438 case KIOCSOUND
: /* make tone (*data) hz */
1440 if (scp
== sc
->cur_scp
) {
1442 error
= sc_tone(*(int *)data
);
1450 lwkt_reltoken(&tty_token
);
1453 case KDGKBTYPE
: /* get keyboard type */
1454 error
= kbd_ioctl(sc
->kbd
, cmd
, data
);
1455 if (error
== ENOIOCTL
) {
1456 /* always return something? XXX */
1459 lwkt_reltoken(&tty_token
);
1462 case KDSETLED
: /* set keyboard LED status */
1463 if (*(int *)data
& ~LED_MASK
) { /* FIXME: LOCK_MASK? */
1464 lwkt_reltoken(&tty_token
);
1468 scp
->status
&= ~LED_MASK
;
1469 scp
->status
|= *(int *)data
;
1471 if (scp
== sc
->cur_scp
)
1472 update_kbd_leds(scp
, scp
->status
);
1473 lwkt_reltoken(&tty_token
);
1476 case KDGETLED
: /* get keyboard LED status */
1477 if (scp
== sc
->cur_scp
)
1478 save_kbd_state(scp
, FALSE
);
1479 *(int *)data
= scp
->status
& LED_MASK
;
1480 lwkt_reltoken(&tty_token
);
1483 case KBADDKBD
: /* add/remove keyboard to/from mux */
1485 error
= kbd_ioctl(sc
->kbd
, cmd
, data
);
1486 if (error
== ENOIOCTL
)
1488 lwkt_reltoken(&tty_token
);
1491 case CONS_SETKBD
: /* set the new keyboard */
1495 newkbd
= kbd_get_keyboard(*(int *)data
);
1496 if (newkbd
== NULL
) {
1497 lwkt_reltoken(&tty_token
);
1501 if (sc
->kbd
!= newkbd
) {
1502 i
= kbd_allocate(newkbd
->kb_name
, newkbd
->kb_unit
,
1503 (void *)&sc
->keyboard
, sckbdevent
, sc
);
1504 /* i == newkbd->kb_index */
1506 if (sc
->kbd
!= NULL
) {
1507 save_kbd_state(sc
->cur_scp
, FALSE
);
1508 kbd_release(sc
->kbd
, (void *)&sc
->keyboard
);
1511 sc
->kbd
= kbd_get_keyboard(i
); /* sc->kbd == newkbd */
1514 kbd_ioctl(sc
->kbd
, KDSKBMODE
,
1515 (caddr_t
)&sc
->cur_scp
->kbd_mode
);
1516 update_kbd_state(sc
->cur_scp
, sc
->cur_scp
->status
,
1519 error
= EPERM
; /* XXX */
1522 lwkt_reltoken(&tty_token
);
1526 case CONS_RELKBD
: /* release the current keyboard */
1528 if (sc
->kbd
!= NULL
) {
1529 save_kbd_state(sc
->cur_scp
, FALSE
);
1530 error
= kbd_release(sc
->kbd
, (void *)&sc
->keyboard
);
1538 lwkt_reltoken(&tty_token
);
1541 case CONS_GETTERM
: /* get the current terminal emulator info */
1545 if (((term_info_t
*)data
)->ti_index
== 0) {
1548 sw
= sc_term_match_by_number(((term_info_t
*)data
)->ti_index
);
1551 strncpy(((term_info_t
*)data
)->ti_name
, sw
->te_name
,
1552 sizeof(((term_info_t
*)data
)->ti_name
));
1553 strncpy(((term_info_t
*)data
)->ti_desc
, sw
->te_desc
,
1554 sizeof(((term_info_t
*)data
)->ti_desc
));
1555 ((term_info_t
*)data
)->ti_flags
= 0;
1556 lwkt_reltoken(&tty_token
);
1559 ((term_info_t
*)data
)->ti_name
[0] = '\0';
1560 ((term_info_t
*)data
)->ti_desc
[0] = '\0';
1561 ((term_info_t
*)data
)->ti_flags
= 0;
1562 lwkt_reltoken(&tty_token
);
1567 case CONS_SETTERM
: /* set the current terminal emulator */
1569 error
= sc_init_emulator(scp
, ((term_info_t
*)data
)->ti_name
);
1570 /* FIXME: what if scp == sc_console! XXX */
1572 lwkt_reltoken(&tty_token
);
1575 case GIO_SCRNMAP
: /* get output translation table */
1576 bcopy(&sc
->scr_map
, data
, sizeof(sc
->scr_map
));
1577 lwkt_reltoken(&tty_token
);
1580 case PIO_SCRNMAP
: /* set output translation table */
1581 bcopy(data
, &sc
->scr_map
, sizeof(sc
->scr_map
));
1582 for (i
=0; i
<sizeof(sc
->scr_map
); i
++) {
1583 sc
->scr_rmap
[sc
->scr_map
[i
]] = i
;
1585 lwkt_reltoken(&tty_token
);
1588 case GIO_KEYMAP
: /* get keyboard translation table */
1589 case PIO_KEYMAP
: /* set keyboard translation table */
1590 case GIO_DEADKEYMAP
: /* get accent key translation table */
1591 case PIO_DEADKEYMAP
: /* set accent key translation table */
1592 case GETFKEY
: /* get function key string */
1593 case SETFKEY
: /* set function key string */
1594 error
= kbd_ioctl(sc
->kbd
, cmd
, data
);
1595 if (error
== ENOIOCTL
)
1597 lwkt_reltoken(&tty_token
);
1600 #ifndef SC_NO_FONT_LOADING
1602 case PIO_FONT8x8
: /* set 8x8 dot font */
1603 if (sc
->fbi
== NULL
&& !ISFONTAVAIL(sc
->adp
->va_flags
)) {
1604 lwkt_reltoken(&tty_token
);
1608 bcopy(data
, sc
->font_8
, 8*256);
1609 sc
->fonts_loaded
|= FONT_8
;
1612 * Always use the font page #0. XXX
1613 * Don't load if the current font size is not 8x8.
1616 && ISTEXTSC(sc
->cur_scp
) && (sc
->cur_scp
->font_height
< 14)) {
1617 sc_load_font(sc
->cur_scp
, 0, 8, sc
->font_8
, 0, 256);
1620 lwkt_reltoken(&tty_token
);
1623 case GIO_FONT8x8
: /* get 8x8 dot font */
1624 if (sc
->fbi
== NULL
&& !ISFONTAVAIL(sc
->adp
->va_flags
)) {
1625 lwkt_reltoken(&tty_token
);
1628 if (sc
->fonts_loaded
& FONT_8
) {
1629 bcopy(sc
->font_8
, data
, 8*256);
1630 lwkt_reltoken(&tty_token
);
1634 lwkt_reltoken(&tty_token
);
1638 case PIO_FONT8x14
: /* set 8x14 dot font */
1639 if (sc
->fbi
== NULL
&& !ISFONTAVAIL(sc
->adp
->va_flags
)) {
1640 lwkt_reltoken(&tty_token
);
1644 bcopy(data
, sc
->font_14
, 14*256);
1645 sc
->fonts_loaded
|= FONT_14
;
1648 * Always use the font page #0. XXX
1649 * Don't load if the current font size is not 8x14.
1652 && ISTEXTSC(sc
->cur_scp
)
1653 && (sc
->cur_scp
->font_height
>= 14)
1654 && (sc
->cur_scp
->font_height
< 16)) {
1655 sc_load_font(sc
->cur_scp
, 0, 14, sc
->font_14
, 0, 256);
1658 lwkt_reltoken(&tty_token
);
1661 case GIO_FONT8x14
: /* get 8x14 dot font */
1662 if (sc
->fbi
== NULL
&& !ISFONTAVAIL(sc
->adp
->va_flags
)) {
1663 lwkt_reltoken(&tty_token
);
1666 if (sc
->fonts_loaded
& FONT_14
) {
1667 bcopy(sc
->font_14
, data
, 14*256);
1668 lwkt_reltoken(&tty_token
);
1672 lwkt_reltoken(&tty_token
);
1676 case PIO_FONT8x16
: /* set 8x16 dot font */
1677 if (sc
->fbi
== NULL
&& !ISFONTAVAIL(sc
->adp
->va_flags
)) {
1678 lwkt_reltoken(&tty_token
);
1682 bcopy(data
, sc
->font_16
, 16*256);
1683 sc
->fonts_loaded
|= FONT_16
;
1686 * Always use the font page #0. XXX
1687 * Don't load if the current font size is not 8x16.
1690 && ISTEXTSC(sc
->cur_scp
) && (sc
->cur_scp
->font_height
>= 16)) {
1691 sc_load_font(sc
->cur_scp
, 0, 16, sc
->font_16
, 0, 256);
1694 lwkt_reltoken(&tty_token
);
1697 case GIO_FONT8x16
: /* get 8x16 dot font */
1698 if (sc
->fbi
== NULL
&& !ISFONTAVAIL(sc
->adp
->va_flags
)) {
1699 lwkt_reltoken(&tty_token
);
1702 if (sc
->fonts_loaded
& FONT_16
) {
1703 bcopy(sc
->font_16
, data
, 16*256);
1704 lwkt_reltoken(&tty_token
);
1708 lwkt_reltoken(&tty_token
);
1712 #endif /* SC_NO_FONT_LOADING */
1718 error
= (*linesw
[tp
->t_line
].l_ioctl
)(tp
, cmd
, data
, flag
, ap
->a_cred
);
1719 if (error
!= ENOIOCTL
) {
1720 lwkt_reltoken(&tty_token
);
1723 error
= ttioctl(tp
, cmd
, data
, flag
);
1724 if (error
!= ENOIOCTL
) {
1725 lwkt_reltoken(&tty_token
);
1728 lwkt_reltoken(&tty_token
);
1733 scstart(struct tty
*tp
)
1737 u_char buf
[PCBURST
];
1738 scr_stat
*scp
= SC_STAT(tp
->t_dev
);
1741 if (scp
->status
& SLKED
||
1742 (scp
== scp
->sc
->cur_scp
&& scp
->sc
->blink_in_progress
))
1747 if (!(tp
->t_state
& (TS_TIMEOUT
| TS_BUSY
| TS_TTSTOP
))) {
1748 tp
->t_state
|= TS_BUSY
;
1751 len
= q_to_b(rbp
, buf
, PCBURST
);
1752 sc_puts(scp
, buf
, len
);
1754 tp
->t_state
&= ~TS_BUSY
;
1763 sccnprobe(struct consdev
*cp
)
1768 cp
->cn_pri
= sc_get_cons_priority(&unit
, &flags
);
1770 /* a video card is always required */
1771 if (probe_efi_fb(1) != 0 && !scvidprobe(unit
, flags
, TRUE
))
1772 cp
->cn_pri
= CN_DEAD
;
1774 /* syscons will become console even when there is no keyboard */
1775 sckbdprobe(unit
, flags
, TRUE
);
1777 if (cp
->cn_pri
== CN_DEAD
) {
1781 /* initialize required fields */
1782 cp
->cn_probegood
= 1;
1786 sccninit(struct consdev
*cp
)
1791 sc_get_cons_priority(&unit
, &flags
);
1792 scinit(unit
, flags
| SC_KERNEL_CONSOLE
);
1793 sc_console_unit
= unit
;
1794 sc_console
= sc_get_softc(unit
, SC_KERNEL_CONSOLE
)->console_scp
;
1798 sccninit_fini(struct consdev
*cp
)
1800 if (cctl_dev
== NULL
)
1801 kprintf("sccninit_fini: WARNING: cctl_dev is NULL!\n");
1802 cp
->cn_dev
= cctl_dev
;
1806 sccnterm(struct consdev
*cp
)
1808 /* we are not the kernel console any more, release everything */
1810 if (sc_console_unit
< 0)
1811 return; /* shouldn't happen */
1815 sc_clear_screen(sc_console
);
1816 sccnupdate(sc_console
);
1819 scterm(sc_console_unit
, SC_KERNEL_CONSOLE
);
1820 sc_console_unit
= -1;
1825 * Console path - cannot block!
1828 sccnputc(void *private, int c
)
1831 scr_stat
*scp
= sc_console
;
1833 #ifndef SC_NO_HISTORY
1837 #endif /* !SC_NO_HISTORY */
1839 /* assert(sc_console != NULL) */
1842 #ifndef SC_NO_HISTORY
1843 if (scp
== scp
->sc
->cur_scp
&& scp
->status
& SLKED
) {
1844 scp
->status
&= ~SLKED
;
1846 /* This can block, illegal in the console path */
1847 update_kbd_state(scp
, scp
->status
, SLKED
, TRUE
);
1849 if (scp
->status
& BUFFER_SAVED
) {
1850 if (!sc_hist_restore(scp
))
1851 sc_remove_cutmarking(scp
);
1852 scp
->status
&= ~BUFFER_SAVED
;
1853 scp
->status
|= CURSOR_ENABLED
;
1854 sc_draw_cursor_image(scp
);
1857 tp
= VIRTUAL_TTY(scp
->sc
, scp
->index
);
1858 /* This can block, illegal in the console path */
1859 if (ISTTYOPEN(tp
)) {
1864 #endif /* !SC_NO_HISTORY */
1867 if (kernel_console_ts
!= NULL
)
1868 scp
->ts
= kernel_console_ts
;
1870 sc_puts(scp
, buf
, 1);
1878 * Console path - cannot block!
1881 sccngetc(void *private)
1883 return sccngetch(0);
1887 * Console path - cannot block!
1890 sccncheckc(void *private)
1892 return sccngetch(SCGETC_NONBLOCK
);
1896 * Set polling mode (also disables the tty feed), use when
1897 * polling for console key input.
1900 sccnpoll(void *private, int on
)
1905 sc_touch_scrn_saver();
1906 scp
= sc_console
->sc
->cur_scp
; /* XXX */
1909 kbd_poll(scp
->sc
->kbd
, on
);
1913 sccndbctl(void *private, int on
)
1915 /* assert(sc_console_unit >= 0) */
1916 /* try to switch to the kernel console screen */
1917 if (on
&& debugger
== 0) {
1919 * TRY to make sure the screen saver is stopped,
1920 * and the screen is updated before switching to
1925 && sc_console
->sc
->cur_scp
->smode
.mode
== VT_AUTO
1926 && sc_console
->smode
.mode
== VT_AUTO
) {
1927 sc_console
->sc
->cur_scp
->status
|= MOUSE_HIDDEN
;
1929 sc_switch_scr(sc_console
->sc
, sc_console
->index
);
1940 * Console path - cannot block!
1943 sccngetch(int flags
)
1945 static struct fkeytab fkey
;
1953 /* assert(sc_console != NULL) */
1956 * Stop the screen saver and update the screen if necessary.
1957 * What if we have been running in the screen saver code... XXX
1959 sc_touch_scrn_saver();
1960 scp
= sc_console
->sc
->cur_scp
; /* XXX */
1964 if (fkeycp
< fkey
.len
) {
1965 return fkey
.str
[fkeycp
++];
1968 if (scp
->sc
->kbd
== NULL
) {
1973 * Make sure the keyboard is accessible even when the kbd device
1974 * driver is disabled.
1977 kbd_enable(scp
->sc
->kbd
);
1979 /* we shall always use the keyboard in the XLATE mode here */
1980 cur_mode
= scp
->kbd_mode
;
1981 scp
->kbd_mode
= K_XLATE
;
1982 kbd_ioctl(scp
->sc
->kbd
, KDSKBMODE
, (caddr_t
)&scp
->kbd_mode
);
1984 c
= scgetc(scp
->sc
, SCGETC_CN
| flags
);
1986 scp
->kbd_mode
= cur_mode
;
1987 kbd_ioctl(scp
->sc
->kbd
, KDSKBMODE
, (caddr_t
)&scp
->kbd_mode
);
1988 kbd_disable(scp
->sc
->kbd
);
1991 switch (KEYFLAGS(c
)) {
1992 case 0: /* normal char */
1994 case FKEY
: /* function key */
1995 p
= kbd_get_fkeystr(scp
->sc
->kbd
, KEYCHAR(c
), (size_t *)&fkeycp
);
1997 if ((p
!= NULL
) && (fkey
.len
> 0)) {
1998 bcopy(p
, fkey
.str
, fkey
.len
);
2004 if (flags
& SCGETC_NONBLOCK
)
2015 sccnupdate(scr_stat
*scp
)
2020 ddb_active
= db_active
;
2025 /* this is a cut-down version of scrn_timer()... */
2028 * Don't update if videoio is in progress. However, if we are paniced
2029 * or in the debugger it is possible that the variables might be stuck,
2030 * so ignore it in such cases.
2032 if (scp
->sc
->font_loading_in_progress
|| scp
->sc
->videoio_in_progress
) {
2033 if (panicstr
== NULL
&& ddb_active
== 0 && shutdown_in_progress
== 0)
2037 if (debugger
> 0 || panicstr
|| ddb_active
|| shutdown_in_progress
) {
2038 sc_touch_scrn_saver();
2039 } else if (scp
!= scp
->sc
->cur_scp
) {
2043 if (!run_scrn_saver
)
2044 scp
->sc
->flags
&= ~SC_SCRN_IDLE
;
2047 * This is a hard path, we cannot call stop_scrn_saver() here.
2049 if ((saver_mode
!= CONS_LKM_SAVER
) || !(scp
->sc
->flags
& SC_SCRN_IDLE
))
2050 if (scp
->sc
->flags
& SC_SCRN_BLANKED
) {
2051 sc_touch_scrn_saver();
2052 /*stop_scrn_saver(scp->sc, current_saver);*/
2054 #endif /* NSPLASH */
2056 if (scp
!= scp
->sc
->cur_scp
|| scp
->sc
->blink_in_progress
2057 || scp
->sc
->switch_in_progress
) {
2062 * FIXME: unlike scrn_timer(), we call scrn_update() from here even
2063 * when write_in_progress is non-zero. XXX
2065 if (!ISGRAPHSC(scp
) && !(scp
->sc
->flags
& SC_SCRN_BLANKED
))
2066 scrn_update(scp
, TRUE
, SCRN_ASYNCOK
);
2070 scrn_timer(void *arg
)
2072 static int kbd_interval
= 0;
2079 * Setup depending on who called us
2081 again
= (arg
!= NULL
);
2083 sc
= (sc_softc_t
*)arg
;
2084 } else if (sc_console
!= NULL
) {
2085 sc
= sc_console
->sc
;
2091 * Don't do anything when we are performing some I/O operations.
2092 * (These are initiated by the frontend?)
2094 if (sc
->font_loading_in_progress
|| sc
->videoio_in_progress
) {
2096 callout_reset(&sc
->scrn_timer_ch
, hz
/ 10, scrn_timer
, sc
);
2101 * Try to allocate a keyboard automatically
2103 if ((sc
->kbd
== NULL
) && (sc
->config
& SC_AUTODETECT_KBD
)) {
2104 if (++kbd_interval
>= 25) {
2105 sc
->keyboard
= sc_allocate_keyboard(sc
, -1);
2106 if (sc
->keyboard
>= 0) {
2107 sc
->kbd
= kbd_get_keyboard(sc
->keyboard
);
2108 kbd_ioctl(sc
->kbd
, KDSKBMODE
,
2109 (caddr_t
)&sc
->cur_scp
->kbd_mode
);
2110 update_kbd_state(sc
->cur_scp
, sc
->cur_scp
->status
,
2118 * Should we stop the screen saver? We need the syscons_lock
2119 * for most of this stuff.
2121 getmicrouptime(&tv
);
2123 if (syscons_lock_nonblock() != 0) {
2124 /* failed to get the lock */
2126 callout_reset(&sc
->scrn_timer_ch
, hz
/ 10, scrn_timer
, sc
);
2129 /* successful lock */
2131 if (debugger
> 0 || panicstr
|| shutdown_in_progress
)
2132 sc_touch_scrn_saver();
2133 if (run_scrn_saver
) {
2134 if (tv
.tv_sec
> sc
->scrn_time_stamp
+ scrn_blank_time
)
2135 sc
->flags
|= SC_SCRN_IDLE
;
2137 sc
->flags
&= ~SC_SCRN_IDLE
;
2139 sc
->scrn_time_stamp
= tv
.tv_sec
;
2140 sc
->flags
&= ~SC_SCRN_IDLE
;
2141 if (scrn_blank_time
> 0)
2142 run_scrn_saver
= TRUE
;
2145 if ((saver_mode
!= CONS_LKM_SAVER
) || !(sc
->flags
& SC_SCRN_IDLE
))
2146 if (sc
->flags
& SC_SCRN_BLANKED
)
2147 stop_scrn_saver(sc
, current_saver
);
2148 #endif /* NSPLASH */
2150 /* should we just return ? */
2151 if (sc
->blink_in_progress
|| sc
->switch_in_progress
||
2152 sc
->write_in_progress
)
2156 callout_reset(&sc
->scrn_timer_ch
, hz
/ 10, scrn_timer
, sc
);
2160 /* Update the screen */
2161 scp
= sc
->cur_scp
; /* cur_scp may have changed... */
2162 if (!ISGRAPHSC(scp
) && !(sc
->flags
& SC_SCRN_BLANKED
))
2163 scrn_update(scp
, TRUE
, SCRN_ASYNCOK
);
2166 /* should we activate the screen saver? */
2167 if ((saver_mode
== CONS_LKM_SAVER
) && (sc
->flags
& SC_SCRN_IDLE
))
2168 if (!ISGRAPHSC(scp
) || (sc
->flags
& SC_SCRN_BLANKED
))
2169 (*current_saver
)(sc
, TRUE
);
2170 #endif /* NSPLASH */
2174 callout_reset(&sc
->scrn_timer_ch
, hz
/ 25, scrn_timer
, sc
);
2178 and_region(int *s1
, int *e1
, int s2
, int e2
)
2180 if (*e1
< s2
|| e2
< *s1
)
2182 *s1
= imax(*s1
, s2
);
2183 *e1
= imin(*e1
, e2
);
2188 * Refresh modified frame buffer range. Also used to
2189 * scroll (entire FB is marked modified).
2191 * This function is allowed to run without the syscons_lock,
2192 * so scp fields can change unexpected. We cache most values
2193 * that we care about and silently discard illegal ranges.
2196 scrn_update(scr_stat
*scp
, int show_cursor
, int flags
)
2207 ddb_active
= db_active
;
2213 * Try to run large screen updates as an async operation, which will
2214 * call this function again from a thread with BULKUNLOCK set, allowing
2215 * interrupts during the update which tends to make the system behave
2216 * better (no sound glitches, etc).
2218 if ((flags
& SCRN_ASYNCOK
) && syscons_async
&& scp
->asynctd
&&
2219 (scp
->end
- scp
->start
) > 16 &&
2220 panicstr
== NULL
&& ddb_active
== 0 && shutdown_in_progress
== 0) {
2221 scp
->show_cursor
= show_cursor
;
2222 scp
->queue_update_td
= 1;
2223 wakeup(&scp
->asynctd
);
2226 if (flags
& SCRN_BULKUNLOCK
)
2230 * Synchronous operation or called from
2233 /* assert(scp == scp->sc->cur_scp) */
2234 atomic_add_int(&scp
->sc
->videoio_in_progress
, 1);
2236 cpos
= scp
->cursor_pos
;
2237 copos
= scp
->cursor_oldpos
;
2239 #ifndef SC_NO_CUTPASTE
2240 /* remove the previous mouse pointer image if necessary */
2241 if (scp
->status
& MOUSE_VISIBLE
) {
2243 e
= scp
->mouse_pos
+ scp
->xsize
+ 1;
2244 if ((scp
->status
& (MOUSE_MOVED
| MOUSE_HIDDEN
))
2245 || and_region(&s
, &e
, scp
->start
, scp
->end
)
2246 || ((scp
->status
& CURSOR_ENABLED
) &&
2248 (and_region(&s
, &e
, cpos
, cpos
)
2249 || and_region(&s
, &e
, copos
, copos
)))) {
2250 sc_remove_mouse_image(scp
);
2251 if (scp
->end
>= scp
->xsize
*scp
->ysize
)
2252 scp
->end
= scp
->xsize
*scp
->ysize
- 1;
2255 #endif /* !SC_NO_CUTPASTE */
2258 * WARNING: Don't add debugging kprintf()s with syscons locked.
2261 if (scp
->end
>= scp
->xsize
*scp
->ysize
) {
2262 scp
->end
= scp
->xsize
*scp
->ysize
- 1;
2264 if (scp
->start
< 0) {
2269 * Main update, extract update range and reset
2275 scp
->start
= scp
->xsize
* scp
->ysize
- 1;
2278 if (flags
& SCRN_BULKUNLOCK
) {
2279 atomic_add_int(&scp
->sc
->videoio_in_progress
, -1);
2282 (*scp
->rndr
->draw
)(scp
, start
, end
- start
+ 1, FALSE
);
2283 if (flags
& SCRN_BULKUNLOCK
) {
2285 atomic_add_int(&scp
->sc
->videoio_in_progress
, 1);
2289 * Handle cut sequence
2291 s
= scp
->mouse_cut_start
;
2292 e
= scp
->mouse_cut_end
;
2293 cpu_ccfence(); /* allowed to race */
2301 /* does the cut-mark region overlap with the update region? */
2302 if (and_region(&s
, &e
, start
, end
)) {
2303 if (flags
& SCRN_BULKUNLOCK
) {
2304 atomic_add_int(&scp
->sc
->videoio_in_progress
, -1);
2307 (*scp
->rndr
->draw
)(scp
, s
, e
- s
+ 1, TRUE
);
2308 if (flags
& SCRN_BULKUNLOCK
) {
2310 atomic_add_int(&scp
->sc
->videoio_in_progress
, 1);
2316 /* we are not to show the cursor and the mouse pointer... */
2320 /* update cursor image */
2321 if (scp
->status
& CURSOR_ENABLED
) {
2324 /* did cursor move since last time ? */
2325 if (cpos
!= copos
) {
2326 /* do we need to remove old cursor image ? */
2327 if (!and_region(&s
, &e
, copos
, copos
))
2328 sc_remove_cursor_image(scp
);
2329 sc_draw_cursor_image(scp
);
2331 if (s
<= e
&& and_region(&s
, &e
, cpos
, cpos
)) {
2332 /* cursor didn't move, but has been overwritten */
2333 sc_draw_cursor_image(scp
);
2334 } else if (scp
->sc
->flags
& SC_BLINK_CURSOR
) {
2335 /* if it's a blinking cursor, update it */
2336 (*scp
->rndr
->blink_cursor
)(scp
, cpos
,
2337 sc_inside_cutmark(scp
, cpos
));
2342 #ifndef SC_NO_CUTPASTE
2343 /* update "pseudo" mouse pointer image */
2344 if (scp
->sc
->flags
& SC_MOUSE_ENABLED
) {
2345 if (!(scp
->status
& (MOUSE_VISIBLE
| MOUSE_HIDDEN
))) {
2346 scp
->status
&= ~MOUSE_MOVED
;
2347 sc_draw_mouse_image(scp
);
2350 #endif /* SC_NO_CUTPASTE */
2356 atomic_add_int(&scp
->sc
->videoio_in_progress
, -1);
2357 if (flags
& SCRN_BULKUNLOCK
)
2362 * Thread handles potentially expensive screen updates. The function is
2363 * expected to operate safely without locks.
2366 scrn_update_thread(void *arg
)
2368 scr_stat
*scp
= arg
;
2370 if (scp
->queue_update_td
== 0) {
2371 tsleep_interlock(&scp
->asynctd
, 0);
2372 if (scp
->queue_update_td
== 0)
2373 tsleep(&scp
->asynctd
, PINTERLOCKED
, "wait", 0);
2375 scp
->queue_update_td
= 0;
2376 lockmgr(&sc_asynctd_lk
, LK_EXCLUSIVE
);
2377 atomic_add_int(&scp
->sc
->videoio_in_progress
, 1);
2378 scrn_update(scp
, scp
->show_cursor
, SCRN_BULKUNLOCK
);
2379 atomic_add_int(&scp
->sc
->videoio_in_progress
, -1);
2380 lockmgr(&sc_asynctd_lk
, LK_RELEASE
);
2385 sc_fb_set_par(void *context
, int pending
)
2387 sc_softc_t
*sc
= context
;
2388 scr_stat
*scp
= sc
->cur_scp
;
2390 lwkt_gettoken(&tty_token
);
2391 if (ISTEXTSC(scp
) &&
2392 sc
->fbi
!= NULL
&& sc
->fbi
->fbops
.fb_set_par
!= NULL
) {
2393 sc
->fbi
->fbops
.fb_set_par(sc
->fbi
);
2395 lwkt_reltoken(&tty_token
);
2400 sc_fb_blank(void *context
, int pending
)
2402 sc_softc_t
*sc
= context
;
2404 lwkt_gettoken(&tty_token
);
2405 if (sc
->fbi
!= NULL
&& sc
->fbi
->fbops
.fb_blank
!= NULL
) {
2406 /* 0 == FB_BLANK_UNBLANK and 4 == FB_BLANK_POWERDOWN */
2407 if (sc
->flags
& SC_SCRN_BLANKED
) {
2408 sc
->fbi
->fbops
.fb_blank(4, sc
->fbi
);
2409 sc
->fb_blanked
= TRUE
;
2410 if (sc
->unit
== sc_console_unit
)
2411 cons_unavail
= TRUE
;
2413 sc
->fbi
->fbops
.fb_blank(0, sc
->fbi
);
2414 sc
->fb_blanked
= FALSE
;
2415 if (sc
->unit
== sc_console_unit
&&
2416 sc
->cur_scp
->smode
.mode
== VT_AUTO
)
2417 cons_unavail
= FALSE
;
2420 lwkt_reltoken(&tty_token
);
2424 scframebuffer_saver(sc_softc_t
*sc
, int show
)
2426 scr_stat
*scp
= sc
->cur_scp
;
2432 * Gets called on every screen update while screensaver is active,
2433 * so we need to check the SC_SCRN_BLANKED flag ourselves.
2435 if ((sc
->flags
& SC_SCRN_BLANKED
) && show
)
2438 taskqueue_cancel(taskqueue_thread
[0], sc
->fb_blank_task
, NULL
);
2441 scp
->status
|= SAVER_RUNNING
;
2442 sc
->flags
|= SC_SCRN_BLANKED
;
2445 scp
->status
&= ~SAVER_RUNNING
;
2446 sc
->flags
&= ~SC_SCRN_BLANKED
;
2450 taskqueue_enqueue(taskqueue_thread
[0], sc
->fb_blank_task
);
2454 scsplash_callback(int event
, void *arg
)
2459 sc
= (sc_softc_t
*)arg
;
2463 if (add_scrn_saver(scsplash_saver
) == 0) {
2464 sc
->flags
&= ~SC_SAVER_FAILED
;
2465 run_scrn_saver
= TRUE
;
2467 scsplash_stick(TRUE
);
2468 (*current_saver
)(sc
, TRUE
);
2474 if (current_saver
== scsplash_saver
) {
2475 scsplash_stick(FALSE
);
2476 error
= remove_scrn_saver(scsplash_saver
);
2489 scsplash_saver(sc_softc_t
*sc
, int show
)
2491 static int busy
= FALSE
;
2500 if (!(sc
->flags
& SC_SAVER_FAILED
)) {
2501 if (!(sc
->flags
& SC_SCRN_BLANKED
))
2502 set_scrn_saver_mode(scp
, -1, NULL
, 0);
2503 switch (splash(sc
->adp
, TRUE
)) {
2504 case 0: /* succeeded */
2506 case EAGAIN
: /* try later */
2507 restore_scrn_saver_mode(scp
, FALSE
);
2508 sc_touch_scrn_saver(); /* XXX */
2511 sc
->flags
|= SC_SAVER_FAILED
;
2512 scsplash_stick(FALSE
);
2513 restore_scrn_saver_mode(scp
, TRUE
);
2514 kprintf("scsplash_saver(): failed to put up the image\n");
2518 } else if (!sticky_splash
) {
2519 if ((sc
->flags
& SC_SCRN_BLANKED
) && (splash(sc
->adp
, FALSE
) == 0))
2520 restore_scrn_saver_mode(scp
, TRUE
);
2526 add_scrn_saver(void (*this_saver
)(sc_softc_t
*, int))
2531 if (current_saver
!= none_saver
) {
2532 error
= remove_scrn_saver(current_saver
);
2537 if (current_saver
!= none_saver
) {
2541 run_scrn_saver
= FALSE
;
2542 saver_mode
= CONS_LKM_SAVER
;
2543 current_saver
= this_saver
;
2548 remove_scrn_saver(void (*this_saver
)(sc_softc_t
*, int))
2550 if (current_saver
!= this_saver
)
2555 * In order to prevent `current_saver' from being called by
2556 * the timeout routine `scrn_timer()' while we manipulate
2557 * the saver list, we shall set `current_saver' to `none_saver'
2558 * before stopping the current saver, rather than blocking by `splXX()'.
2560 current_saver
= none_saver
;
2562 stop_scrn_saver(this_saver
);
2564 /* unblank all blanked screens */
2565 wait_scrn_saver_stop(NULL
, FALSE
);
2570 current_saver
= none_saver
;
2575 set_scrn_saver_mode(scr_stat
*scp
, int mode
, u_char
*pal
, int border
)
2578 /* assert(scp == scp->sc->cur_scp) */
2580 if (!ISGRAPHSC(scp
))
2581 sc_remove_cursor_image(scp
);
2582 scp
->splash_save_mode
= scp
->mode
;
2583 scp
->splash_save_status
= scp
->status
& (GRAPHICS_MODE
| PIXEL_MODE
);
2584 scp
->status
&= ~(GRAPHICS_MODE
| PIXEL_MODE
);
2585 scp
->status
|= (UNKNOWN_MODE
| SAVER_RUNNING
);
2586 scp
->sc
->flags
|= SC_SCRN_BLANKED
;
2593 if (set_mode(scp
) == 0) {
2594 if (scp
->sc
->fbi
== NULL
&&
2595 scp
->sc
->adp
->va_info
.vi_flags
& V_INFO_GRAPHICS
) {
2596 scp
->status
|= GRAPHICS_MODE
;
2598 #ifndef SC_NO_PALETTE_LOADING
2599 if (scp
->sc
->fbi
== NULL
&& pal
!= NULL
)
2600 load_palette(scp
->sc
->adp
, pal
);
2602 sc_set_border(scp
, border
);
2606 scp
->mode
= scp
->splash_save_mode
;
2607 scp
->status
&= ~(UNKNOWN_MODE
| SAVER_RUNNING
);
2608 scp
->status
|= scp
->splash_save_status
;
2616 restore_scrn_saver_mode(scr_stat
*scp
, int changemode
)
2621 /* assert(scp == scp->sc->cur_scp) */
2624 status
= scp
->status
;
2625 scp
->mode
= scp
->splash_save_mode
;
2626 scp
->status
&= ~(UNKNOWN_MODE
| SAVER_RUNNING
);
2627 scp
->status
|= scp
->splash_save_status
;
2628 scp
->sc
->flags
&= ~SC_SCRN_BLANKED
;
2630 if (!ISGRAPHSC(scp
))
2631 sc_draw_cursor_image(scp
);
2636 if (set_mode(scp
) == 0) {
2637 #ifndef SC_NO_PALETTE_LOADING
2638 if (scp
->sc
->fbi
== NULL
)
2639 load_palette(scp
->sc
->adp
, scp
->sc
->palette
);
2646 scp
->status
= status
;
2654 stop_scrn_saver(sc_softc_t
*sc
, void (*saver
)(sc_softc_t
*, int))
2656 (*saver
)(sc
, FALSE
);
2657 run_scrn_saver
= FALSE
;
2658 /* the screen saver may have chosen not to stop after all... */
2659 if (sc
->flags
& SC_SCRN_BLANKED
) {
2663 mark_all(sc
->cur_scp
);
2664 if (sc
->delayed_next_scr
)
2665 sc_switch_scr(sc
, sc
->delayed_next_scr
- 1);
2666 wakeup(&scrn_blanked
);
2670 wait_scrn_saver_stop(sc_softc_t
*sc
, int need_unlock
)
2674 while (scrn_blanked
> 0) {
2675 run_scrn_saver
= FALSE
;
2676 if (sc
&& !(sc
->flags
& SC_SCRN_BLANKED
)) {
2681 tsleep_interlock(&scrn_blanked
, PCATCH
);
2683 error
= tsleep(&scrn_blanked
, PCATCH
| PINTERLOCKED
, "scrsav", 0);
2686 error
= tsleep(&scrn_blanked
, PCATCH
, "scrsav", 0);
2688 /* May return ERESTART */
2692 run_scrn_saver
= FALSE
;
2695 #endif /* NSPLASH */
2698 sc_touch_scrn_saver(void)
2700 scsplash_stick(FALSE
);
2701 run_scrn_saver
= FALSE
;
2705 sc_switch_scr(sc_softc_t
*sc
, u_int next_scr
)
2710 DPRINTF(5, ("sc0: sc_switch_scr() %d ", next_scr
+ 1));
2712 /* prevent switch if previously requested */
2713 if (sc
->flags
& SC_SCRN_VTYLOCK
) {
2714 sc_bell(sc
->cur_scp
, sc
->cur_scp
->bell_pitch
,
2715 sc
->cur_scp
->bell_duration
);
2719 /* delay switch if the screen is blanked or being updated */
2720 if ((sc
->flags
& SC_SCRN_BLANKED
) || sc
->write_in_progress
2721 || sc
->blink_in_progress
|| sc
->videoio_in_progress
) {
2722 sc
->delayed_next_scr
= next_scr
+ 1;
2723 sc_touch_scrn_saver();
2724 DPRINTF(5, ("switch delayed\n"));
2728 cur_scp
= sc
->cur_scp
;
2731 * we are in the middle of the vty switching process...
2733 * This may be in the console path, be very careful. pfindn() is
2734 * still going to use a spinlock but it no longer uses tokens so
2737 if (sc
->switch_in_progress
&&
2738 (cur_scp
->smode
.mode
== VT_PROCESS
) &&
2740 if (cur_scp
->proc
!= pfindn(cur_scp
->pid
)) {
2742 * The controlling process has died!!. Do some clean up.
2743 * NOTE:`cur_scp->proc' and `cur_scp->smode.mode'
2744 * are not reset here yet; they will be cleared later.
2746 DPRINTF(5, ("cur_scp controlling process %d died, ", cur_scp
->pid
));
2747 if (cur_scp
->status
& SWITCH_WAIT_REL
) {
2749 * Force the previous switch to finish, but return now
2753 DPRINTF(5, ("reset WAIT_REL, "));
2754 finish_vt_rel(cur_scp
, TRUE
);
2755 DPRINTF(5, ("finishing previous switch\n"));
2757 } else if (cur_scp
->status
& SWITCH_WAIT_ACQ
) {
2758 /* let's assume screen switch has been completed. */
2759 DPRINTF(5, ("reset WAIT_ACQ, "));
2760 finish_vt_acq(cur_scp
);
2763 * We are in between screen release and acquisition, and
2764 * reached here via scgetc() or scrn_timer() which has
2765 * interrupted exchange_scr(). Don't do anything stupid.
2767 DPRINTF(5, ("waiting nothing, "));
2771 * The controlling process is alive, but not responding...
2772 * It is either buggy or it may be just taking time.
2773 * The following code is a gross kludge to cope with this
2774 * problem for which there is no clean solution. XXX
2776 if (cur_scp
->status
& SWITCH_WAIT_REL
) {
2777 switch (sc
->switch_in_progress
++) {
2781 DPRINTF(5, ("sending relsig again, "));
2782 signal_vt_rel(cur_scp
);
2789 * Act as if the controlling program returned
2793 DPRINTF(5, ("force reset WAIT_REL, "));
2794 finish_vt_rel(cur_scp
, FALSE
);
2795 DPRINTF(5, ("act as if VT_FALSE was seen\n"));
2798 } else if (cur_scp
->status
& SWITCH_WAIT_ACQ
) {
2799 switch (sc
->switch_in_progress
++) {
2803 DPRINTF(5, ("sending acqsig again, "));
2804 signal_vt_acq(cur_scp
);
2810 /* clear the flag and finish the previous switch */
2811 DPRINTF(5, ("force reset WAIT_ACQ, "));
2812 finish_vt_acq(cur_scp
);
2820 * Return error if an invalid argument is given, or vty switch
2821 * is still in progress.
2823 if ((next_scr
< sc
->first_vty
) || (next_scr
>= sc
->first_vty
+ sc
->vtys
)
2824 || sc
->switch_in_progress
) {
2825 sc_bell(cur_scp
, bios_value
.bell_pitch
, BELL_DURATION
);
2826 DPRINTF(5, ("error 1\n"));
2831 * Don't allow switching away from the graphics mode vty
2832 * if the switch mode is VT_AUTO, unless the next vty is the same
2833 * as the current or the current vty has been closed (but showing).
2835 tp
= VIRTUAL_TTY(sc
, cur_scp
->index
);
2836 if ((cur_scp
->index
!= next_scr
)
2838 && (cur_scp
->smode
.mode
== VT_AUTO
)
2839 && ISGRAPHSC(cur_scp
)) {
2840 sc_bell(cur_scp
, bios_value
.bell_pitch
, BELL_DURATION
);
2841 DPRINTF(5, ("error, graphics mode\n"));
2846 * Is the wanted vty open? Don't allow switching to a closed vty.
2847 * If we are in DDB, don't switch to a vty in the VT_PROCESS mode.
2848 * Note that we always allow the user to switch to the kernel
2849 * console even if it is closed.
2851 if ((sc_console
== NULL
) || (next_scr
!= sc_console
->index
)) {
2852 tp
= VIRTUAL_TTY(sc
, next_scr
);
2853 if (!ISTTYOPEN(tp
)) {
2854 sc_bell(cur_scp
, bios_value
.bell_pitch
, BELL_DURATION
);
2855 DPRINTF(5, ("error 2, requested vty isn't open!\n"));
2858 if ((debugger
> 0) && (SC_STAT(tp
->t_dev
)->smode
.mode
== VT_PROCESS
)) {
2859 DPRINTF(5, ("error 3, requested vty is in the VT_PROCESS mode\n"));
2864 /* this is the start of vty switching process... */
2865 ++sc
->switch_in_progress
;
2866 sc
->delayed_next_scr
= 0;
2867 sc
->old_scp
= cur_scp
;
2868 sc
->new_scp
= SC_STAT(SC_DEV(sc
, next_scr
));
2869 if (sc
->new_scp
== sc
->old_scp
) {
2870 sc
->switch_in_progress
= 0;
2871 wakeup((caddr_t
)&sc
->new_scp
->smode
);
2872 DPRINTF(5, ("switch done (new == old)\n"));
2876 /* has controlling process died? */
2877 vt_proc_alive(sc
->old_scp
);
2878 vt_proc_alive(sc
->new_scp
);
2880 /* wait for the controlling process to release the screen, if necessary */
2881 if (signal_vt_rel(sc
->old_scp
)) {
2885 /* go set up the new vty screen */
2888 /* wake up processes waiting for this vty */
2889 wakeup((caddr_t
)&sc
->cur_scp
->smode
);
2891 /* wait for the controlling process to acknowledge, if necessary */
2892 if (signal_vt_acq(sc
->cur_scp
)) {
2896 sc
->switch_in_progress
= 0;
2897 if (sc
->unit
== sc_console_unit
&& !sc
->fb_blanked
)
2898 cons_unavail
= FALSE
;
2899 DPRINTF(5, ("switch done\n"));
2905 do_switch_scr(sc_softc_t
*sc
)
2907 lwkt_gettoken(&tty_token
);
2908 vt_proc_alive(sc
->new_scp
);
2911 /* sc->cur_scp == sc->new_scp */
2912 wakeup((caddr_t
)&sc
->cur_scp
->smode
);
2914 /* wait for the controlling process to acknowledge, if necessary */
2915 if (!signal_vt_acq(sc
->cur_scp
)) {
2916 sc
->switch_in_progress
= 0;
2917 if (sc
->unit
== sc_console_unit
&& !sc
->fb_blanked
)
2918 cons_unavail
= FALSE
;
2920 lwkt_reltoken(&tty_token
);
2924 vt_proc_alive(scr_stat
*scp
)
2926 lwkt_gettoken(&tty_token
);
2928 if (scp
->proc
== pfindn(scp
->pid
)) {
2929 lwkt_reltoken(&tty_token
);
2933 scp
->smode
.mode
= VT_AUTO
;
2934 DPRINTF(5, ("vt controlling process %d died\n", scp
->pid
));
2936 lwkt_reltoken(&tty_token
);
2941 signal_vt_rel(scr_stat
*scp
)
2945 lwkt_gettoken(&tty_token
);
2946 if (scp
->smode
.mode
!= VT_PROCESS
) {
2947 lwkt_reltoken(&tty_token
);
2950 scp
->status
|= SWITCH_WAIT_REL
;
2953 ksignal(p
, scp
->smode
.relsig
);
2955 DPRINTF(5, ("sending relsig to %d\n", scp
->pid
));
2956 lwkt_reltoken(&tty_token
);
2962 signal_vt_acq(scr_stat
*scp
)
2966 lwkt_gettoken(&tty_token
);
2967 if (scp
->smode
.mode
!= VT_PROCESS
) {
2968 lwkt_reltoken(&tty_token
);
2971 if (scp
->sc
->unit
== sc_console_unit
)
2972 cons_unavail
= TRUE
;
2973 scp
->status
|= SWITCH_WAIT_ACQ
;
2976 ksignal(p
, scp
->smode
.acqsig
);
2978 DPRINTF(5, ("sending acqsig to %d\n", scp
->pid
));
2979 lwkt_reltoken(&tty_token
);
2985 finish_vt_rel(scr_stat
*scp
, int release
)
2987 lwkt_gettoken(&tty_token
);
2988 if (scp
== scp
->sc
->old_scp
&& scp
->status
& SWITCH_WAIT_REL
) {
2989 scp
->status
&= ~SWITCH_WAIT_REL
;
2991 do_switch_scr(scp
->sc
);
2993 scp
->sc
->switch_in_progress
= 0;
2994 lwkt_reltoken(&tty_token
);
2997 lwkt_reltoken(&tty_token
);
3002 finish_vt_acq(scr_stat
*scp
)
3004 lwkt_gettoken(&tty_token
);
3005 if (scp
== scp
->sc
->new_scp
&& scp
->status
& SWITCH_WAIT_ACQ
) {
3006 scp
->status
&= ~SWITCH_WAIT_ACQ
;
3007 scp
->sc
->switch_in_progress
= 0;
3008 lwkt_reltoken(&tty_token
);
3011 lwkt_reltoken(&tty_token
);
3016 exchange_scr(sc_softc_t
*sc
)
3020 lwkt_gettoken(&tty_token
);
3021 /* save the current state of video and keyboard */
3022 sc_move_cursor(sc
->old_scp
, sc
->old_scp
->xpos
, sc
->old_scp
->ypos
);
3023 if (!ISGRAPHSC(sc
->old_scp
))
3024 sc_remove_cursor_image(sc
->old_scp
);
3025 if (sc
->old_scp
->kbd_mode
== K_XLATE
)
3026 save_kbd_state(sc
->old_scp
, TRUE
);
3028 /* set up the video for the new screen */
3029 scp
= sc
->cur_scp
= sc
->new_scp
;
3030 if (sc
->old_scp
->mode
!= scp
->mode
|| ISUNKNOWNSC(sc
->old_scp
))
3032 else if (sc
->adp
!= NULL
)
3033 sc_vtb_init(&scp
->scr
, VTB_FRAMEBUFFER
, scp
->xsize
, scp
->ysize
,
3034 (void *)sc
->adp
->va_window
, FALSE
);
3035 scp
->status
|= MOUSE_HIDDEN
;
3036 sc_update_render(scp
); /* Switch to kms renderer if necessary */
3037 sc_move_cursor(scp
, scp
->xpos
, scp
->ypos
);
3038 if (!ISGRAPHSC(scp
))
3039 sc_set_cursor_image(scp
);
3040 #ifndef SC_NO_PALETTE_LOADING
3041 if (sc
->fbi
== NULL
&& ISGRAPHSC(sc
->old_scp
))
3042 load_palette(sc
->adp
, sc
->palette
);
3044 sc_set_border(scp
, scp
->border
);
3046 /* set up the keyboard for the new screen */
3047 if (sc
->old_scp
->kbd_mode
!= scp
->kbd_mode
)
3048 kbd_ioctl(sc
->kbd
, KDSKBMODE
, (caddr_t
)&scp
->kbd_mode
);
3049 update_kbd_state(scp
, scp
->status
, LOCK_MASK
, TRUE
);
3054 * Restore DRM framebuffer console mode if necessary.
3055 * Especially avoid modesetting when switching to a vt which is in
3056 * graphics mode, because the fb_set_par() from the taskqueue thread
3057 * might race with the modesetting ioctl from the userland application.
3059 if (ISTEXTSC(scp
) && !ISTEXTSC(sc
->old_scp
) &&
3060 sc
->fbi
!= NULL
&& sc
->fbi
->fbops
.fb_set_par
!= NULL
&&
3061 sc
->fb_set_par_task
!= NULL
) {
3062 taskqueue_enqueue(taskqueue_thread
[0], sc
->fb_set_par_task
);
3065 lwkt_reltoken(&tty_token
);
3069 sc_puts(scr_stat
*scp
, u_char
*buf
, int len
)
3072 /* make screensaver happy */
3073 if (!sticky_splash
&& scp
== scp
->sc
->cur_scp
)
3074 run_scrn_saver
= FALSE
;
3078 (*scp
->tsw
->te_puts
)(scp
, buf
, len
);
3080 if (scp
->sc
->delayed_next_scr
)
3081 sc_switch_scr(scp
->sc
, scp
->sc
->delayed_next_scr
- 1);
3086 sc_draw_cursor_image(scr_stat
*scp
)
3088 /* assert(scp == scp->sc->cur_scp); */
3089 atomic_add_int(&scp
->sc
->videoio_in_progress
, 1);
3090 (*scp
->rndr
->draw_cursor
)(scp
, scp
->cursor_pos
,
3091 scp
->sc
->flags
& SC_BLINK_CURSOR
, TRUE
,
3092 sc_inside_cutmark(scp
, scp
->cursor_pos
));
3093 scp
->cursor_oldpos
= scp
->cursor_pos
;
3094 atomic_add_int(&scp
->sc
->videoio_in_progress
, -1);
3098 sc_remove_cursor_image(scr_stat
*scp
)
3100 /* assert(scp == scp->sc->cur_scp); */
3101 atomic_add_int(&scp
->sc
->videoio_in_progress
, 1);
3102 (*scp
->rndr
->draw_cursor
)(scp
, scp
->cursor_oldpos
,
3103 scp
->sc
->flags
& SC_BLINK_CURSOR
, FALSE
,
3104 sc_inside_cutmark(scp
, scp
->cursor_oldpos
));
3105 atomic_add_int(&scp
->sc
->videoio_in_progress
, -1);
3109 update_cursor_image(scr_stat
*scp
)
3113 if (scp
->sc
->flags
& SC_CHAR_CURSOR
) {
3114 scp
->cursor_base
= imax(0, scp
->sc
->cursor_base
);
3115 scp
->cursor_height
= imin(scp
->sc
->cursor_height
, scp
->font_height
);
3117 scp
->cursor_base
= 0;
3118 scp
->cursor_height
= scp
->font_height
;
3120 blink
= scp
->sc
->flags
& SC_BLINK_CURSOR
;
3122 /* assert(scp == scp->sc->cur_scp); */
3123 atomic_add_int(&scp
->sc
->videoio_in_progress
, 1);
3124 (*scp
->rndr
->draw_cursor
)(scp
, scp
->cursor_oldpos
, blink
, FALSE
,
3125 sc_inside_cutmark(scp
, scp
->cursor_pos
));
3126 (*scp
->rndr
->set_cursor
)(scp
, scp
->cursor_base
, scp
->cursor_height
, blink
);
3127 (*scp
->rndr
->draw_cursor
)(scp
, scp
->cursor_pos
, blink
, TRUE
,
3128 sc_inside_cutmark(scp
, scp
->cursor_pos
));
3129 atomic_add_int(&scp
->sc
->videoio_in_progress
, -1);
3133 sc_set_cursor_image(scr_stat
*scp
)
3135 if (scp
->sc
->flags
& SC_CHAR_CURSOR
) {
3136 scp
->cursor_base
= imax(0, scp
->sc
->cursor_base
);
3137 scp
->cursor_height
= imin(scp
->sc
->cursor_height
, scp
->font_height
);
3139 scp
->cursor_base
= 0;
3140 scp
->cursor_height
= scp
->font_height
;
3143 /* assert(scp == scp->sc->cur_scp); */
3144 atomic_add_int(&scp
->sc
->videoio_in_progress
, 1);
3145 (*scp
->rndr
->set_cursor
)(scp
, scp
->cursor_base
, scp
->cursor_height
,
3146 scp
->sc
->flags
& SC_BLINK_CURSOR
);
3147 atomic_add_int(&scp
->sc
->videoio_in_progress
, -1);
3151 scinit(int unit
, int flags
)
3154 * When syscons is being initialized as the kernel console, malloc()
3155 * is not yet functional, because various kernel structures has not been
3156 * fully initialized yet. Therefore, we need to declare the following
3157 * static buffers for the console. This is less than ideal,
3158 * but is necessry evil for the time being. XXX
3160 static scr_stat main_console
;
3161 static u_short sc_buffer
[ROW
*COL
]; /* XXX */
3162 #ifndef SC_NO_FONT_LOADING
3163 static u_char font_8
[256*8];
3164 static u_char font_14
[256*14];
3165 static u_char font_16
[256*16];
3170 video_adapter_t
*adp
;
3175 /* one time initialization */
3176 if (init_done
== COLD
)
3177 sc_get_bios_values(&bios_value
);
3181 * Allocate resources. Even if we are being called for the second
3182 * time, we must allocate them again, because they might have
3185 sc
= sc_get_softc(unit
, flags
& SC_KERNEL_CONSOLE
);
3187 if (flags
& SC_EFI_FB
) {
3188 /* Don't replace already registered drm framebuffer here */
3189 if (sc
->fbi
== NULL
) {
3190 sc
->fbi
= &efi_fb_info
;
3191 sc
->fbi_generation
++;
3193 } else if (sc
->adapter
>= 0) {
3194 vid_release(sc
->adp
, (void *)&sc
->adapter
);
3198 if (sc
->keyboard
>= 0) {
3199 DPRINTF(5, ("sc%d: releasing kbd%d\n", unit
, sc
->keyboard
));
3200 i
= kbd_release(sc
->kbd
, (void *)&sc
->keyboard
);
3201 DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit
, i
));
3202 if (sc
->kbd
!= NULL
) {
3203 DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, unit:%d, flags:0x%x\n",
3204 unit
, sc
->kbd
->kb_index
, sc
->kbd
->kb_unit
, sc
->kbd
->kb_flags
));
3208 if (!(flags
& SC_EFI_FB
)) {
3209 sc
->adapter
= vid_allocate("*", unit
, (void *)&sc
->adapter
);
3210 sc
->adp
= vid_get_adapter(sc
->adapter
);
3211 /* assert((sc->adapter >= 0) && (sc->adp != NULL)) */
3213 sc
->keyboard
= sc_allocate_keyboard(sc
, unit
);
3214 DPRINTF(1, ("sc%d: keyboard %d\n", unit
, sc
->keyboard
));
3215 sc
->kbd
= kbd_get_keyboard(sc
->keyboard
);
3216 if (sc
->kbd
!= NULL
) {
3217 DPRINTF(1, ("sc%d: kbd index:%d, unit:%d, flags:0x%x\n",
3218 unit
, sc
->kbd
->kb_index
, sc
->kbd
->kb_unit
, sc
->kbd
->kb_flags
));
3221 if (!(sc
->flags
& SC_INIT_DONE
) || (adp
!= sc
->adp
)) {
3223 if (sc
->fbi
!= NULL
)
3224 sc
->initial_mode
= 0;
3226 sc
->initial_mode
= sc
->adp
->va_initial_mode
;
3228 #ifndef SC_NO_FONT_LOADING
3229 if (flags
& SC_KERNEL_CONSOLE
) {
3230 sc
->font_8
= font_8
;
3231 sc
->font_14
= font_14
;
3232 sc
->font_16
= font_16
;
3233 } else if (sc
->font_8
== NULL
) {
3234 /* assert(sc_malloc) */
3235 sc
->font_8
= kmalloc(sizeof(font_8
), M_SYSCONS
, M_WAITOK
);
3236 sc
->font_14
= kmalloc(sizeof(font_14
), M_SYSCONS
, M_WAITOK
);
3237 sc
->font_16
= kmalloc(sizeof(font_16
), M_SYSCONS
, M_WAITOK
);
3241 if (sc
->fbi
!= NULL
) {
3245 lwkt_gettoken(&tty_token
);
3246 /* extract the hw cursor location and hide the cursor for now */
3247 (*vidsw
[sc
->adapter
]->read_hw_cursor
)(sc
->adp
, &col
, &row
);
3248 (*vidsw
[sc
->adapter
]->set_hw_cursor
)(sc
->adp
, -1, -1);
3249 lwkt_reltoken(&tty_token
);
3252 /* set up the first console */
3253 sc
->first_vty
= unit
*MAXCONS
;
3254 sc
->vtys
= MAXCONS
; /* XXX: should be configurable */
3255 if (flags
& SC_KERNEL_CONSOLE
) {
3256 scp
= &main_console
;
3257 sc
->console_scp
= scp
;
3258 init_scp(sc
, sc
->first_vty
, scp
);
3259 sc_vtb_init(&scp
->vtb
, VTB_MEMORY
, scp
->xsize
, scp
->ysize
,
3260 (void *)sc_buffer
, FALSE
);
3261 if (sc_init_emulator(scp
, SC_DFLT_TERM
))
3262 sc_init_emulator(scp
, "*");
3263 (*scp
->tsw
->te_default_attr
)(scp
,
3264 kernel_default
.std_color
,
3265 kernel_default
.rev_color
);
3267 /* assert(sc_malloc) */
3268 sc
->dev
= kmalloc(sizeof(cdev_t
)*sc
->vtys
, M_SYSCONS
, M_WAITOK
| M_ZERO
);
3270 sc
->dev
[0] = make_dev(&sc_ops
, unit
*MAXCONS
, UID_ROOT
,
3271 GID_WHEEL
, 0600, "ttyv%r", unit
*MAXCONS
);
3273 sc
->dev
[0]->si_tty
= ttymalloc(sc
->dev
[0]->si_tty
);
3274 scp
= alloc_scp(sc
, sc
->first_vty
);
3275 sc
->dev
[0]->si_drv1
= scp
;
3279 /* copy screen to temporary buffer */
3280 if (scp
->sc
->fbi
== NULL
) {
3281 sc_vtb_init(&scp
->scr
, VTB_FRAMEBUFFER
, scp
->xsize
, scp
->ysize
,
3282 (void *)scp
->sc
->adp
->va_window
, FALSE
);
3284 sc_vtb_copy(&scp
->scr
, 0, &scp
->vtb
, 0, scp
->xsize
*scp
->ysize
);
3287 /* move cursors to the initial positions */
3288 if (col
>= scp
->xsize
)
3290 if (row
>= scp
->ysize
)
3291 row
= scp
->ysize
- 1;
3294 if (sc
->fbi
!= NULL
) {
3295 scp
->cursor_pos
= 0;
3296 sc
->cursor_base
= 0;
3297 sc
->cursor_height
= scp
->font_height
;
3299 scp
->cursor_pos
= scp
->cursor_oldpos
= row
*scp
->xsize
+ col
;
3300 if (bios_value
.cursor_end
< scp
->font_height
)
3301 sc
->cursor_base
= scp
->font_height
- bios_value
.cursor_end
- 1;
3303 sc
->cursor_base
= 0;
3304 i
= bios_value
.cursor_end
- bios_value
.cursor_start
+ 1;
3305 sc
->cursor_height
= imin(i
, scp
->font_height
);
3307 #ifndef SC_NO_SYSMOUSE
3308 sc_mouse_move(scp
, scp
->xpixel
/2, scp
->ypixel
/2);
3310 if (!ISGRAPHSC(scp
)) {
3311 sc_set_cursor_image(scp
);
3312 sc_draw_cursor_image(scp
);
3313 /* If framebuffer vaddr is still 0, we can't draw the border yet */
3314 if (scp
->sc
->fbi
!= NULL
&& scp
->sc
->fbi
->vaddr
!= 0) {
3315 sc_filled_border
= TRUE
;
3316 sc_set_border(scp
, scp
->border
);
3320 /* save font and palette */
3321 #ifndef SC_NO_FONT_LOADING
3322 sc
->fonts_loaded
= 0;
3324 bcopy(dflt_font_8
, sc
->font_8
, sizeof(dflt_font_8
));
3325 bcopy(dflt_font_14
, sc
->font_14
, sizeof(dflt_font_14
));
3326 bcopy(dflt_font_16
, sc
->font_16
, sizeof(dflt_font_16
));
3327 sc
->fonts_loaded
= FONT_16
| FONT_14
| FONT_8
;
3328 #endif /* SC_DFLT_FONT */
3329 if (sc
->adp
!= NULL
&& ISFONTAVAIL(sc
->adp
->va_flags
)) {
3331 if (scp
->font_height
< 14) {
3332 sc_load_font(scp
, 0, 8, sc
->font_8
, 0, 256);
3333 } else if (scp
->font_height
>= 16) {
3334 sc_load_font(scp
, 0, 16, sc
->font_16
, 0, 256);
3336 sc_load_font(scp
, 0, 14, sc
->font_14
, 0, 256);
3338 #else /* !SC_DFLT_FONT */
3339 if (scp
->font_height
< 14) {
3340 sc_save_font(scp
, 0, 8, sc
->font_8
, 0, 256);
3341 sc
->fonts_loaded
= FONT_8
;
3342 } else if (scp
->font_height
>= 16) {
3343 sc_save_font(scp
, 0, 16, sc
->font_16
, 0, 256);
3344 sc
->fonts_loaded
= FONT_16
;
3346 sc_save_font(scp
, 0, 14, sc
->font_14
, 0, 256);
3347 sc
->fonts_loaded
= FONT_14
;
3349 #endif /* SC_DFLT_FONT */
3350 /* FONT KLUDGE: always use the font page #0. XXX */
3351 sc_show_font(scp
, 0);
3353 #endif /* !SC_NO_FONT_LOADING */
3355 #ifndef SC_NO_PALETTE_LOADING
3356 if (!(flags
& SC_EFI_FB
))
3357 save_palette(sc
->adp
, sc
->palette
);
3361 if (!(sc
->flags
& SC_SPLASH_SCRN
) && (flags
& SC_KERNEL_CONSOLE
)) {
3362 /* we are ready to put up the splash image! */
3363 splash_init(sc
->adp
, scsplash_callback
, sc
);
3364 sc
->flags
|= SC_SPLASH_SCRN
;
3366 #endif /* NSPLASH */
3369 /* the rest is not necessary, if we have done it once */
3370 if (sc
->flags
& SC_INIT_DONE
) {
3374 /* initialize mapscrn arrays to a one to one map */
3375 for (i
= 0; i
< sizeof(sc
->scr_map
); i
++)
3376 sc
->scr_map
[i
] = sc
->scr_rmap
[i
] = i
;
3378 sc
->flags
|= SC_INIT_DONE
;
3382 scterm(int unit
, int flags
)
3387 sc
= sc_get_softc(unit
, flags
& SC_KERNEL_CONSOLE
);
3389 return; /* shouldn't happen */
3391 lwkt_gettoken(&tty_token
);
3393 /* this console is no longer available for the splash screen */
3394 if (sc
->flags
& SC_SPLASH_SCRN
) {
3395 splash_term(sc
->adp
);
3396 sc
->flags
&= ~SC_SPLASH_SCRN
;
3398 #endif /* NSPLASH */
3401 /* move the hardware cursor to the upper-left corner */
3402 (*vidsw
[sc
->adapter
]->set_hw_cursor
)(sc
->adp
, 0, 0);
3405 /* release the keyboard and the video card */
3406 if (sc
->keyboard
>= 0)
3407 kbd_release(sc
->kbd
, &sc
->keyboard
);
3408 if (sc
->adapter
>= 0)
3409 vid_release(sc
->adp
, &sc
->adapter
);
3412 * Stop the terminal emulator, if any. If operating on the
3413 * kernel console sc->dev may not be setup yet.
3415 if (flags
& SC_KERNEL_CONSOLE
)
3416 scp
= sc
->console_scp
;
3418 scp
= SC_STAT(sc
->dev
[0]);
3420 (*scp
->tsw
->te_term
)(scp
, &scp
->ts
);
3421 if (scp
->ts
!= NULL
)
3422 kfree(scp
->ts
, M_SYSCONS
);
3424 /* clear the structure */
3425 if (!(flags
& SC_KERNEL_CONSOLE
)) {
3426 /* XXX: We need delete_dev() for this */
3427 kfree(sc
->dev
, M_SYSCONS
);
3429 /* XXX: We need a ttyunregister for this */
3430 kfree(sc
->tty
, M_SYSCONS
);
3432 #ifndef SC_NO_FONT_LOADING
3433 kfree(sc
->font_8
, M_SYSCONS
);
3434 kfree(sc
->font_14
, M_SYSCONS
);
3435 kfree(sc
->font_16
, M_SYSCONS
);
3437 /* XXX vtb, history */
3439 bzero(sc
, sizeof(*sc
));
3442 lwkt_reltoken(&tty_token
);
3446 scshutdown(void *arg
, int howto
)
3448 /* assert(sc_console != NULL) */
3450 lwkt_gettoken(&tty_token
);
3452 sc_touch_scrn_saver();
3453 if (!cold
&& sc_console
3454 && sc_console
->sc
->cur_scp
->smode
.mode
== VT_AUTO
3455 && sc_console
->smode
.mode
== VT_AUTO
) {
3456 sc_switch_scr(sc_console
->sc
, sc_console
->index
);
3458 shutdown_in_progress
= TRUE
;
3460 lwkt_reltoken(&tty_token
);
3464 sc_clean_up(scr_stat
*scp
, int need_unlock
)
3468 #endif /* NSPLASH */
3470 lwkt_gettoken(&tty_token
);
3471 if (scp
->sc
->flags
& SC_SCRN_BLANKED
) {
3472 sc_touch_scrn_saver();
3474 if ((error
= wait_scrn_saver_stop(scp
->sc
, need_unlock
))) {
3475 lwkt_reltoken(&tty_token
);
3478 #endif /* NSPLASH */
3480 scp
->status
|= MOUSE_HIDDEN
;
3481 sc_remove_mouse_image(scp
);
3482 sc_remove_cutmarking(scp
);
3483 lwkt_reltoken(&tty_token
);
3488 sc_alloc_scr_buffer(scr_stat
*scp
, int wait
, int discard
)
3493 lwkt_gettoken(&tty_token
);
3495 sc_vtb_init(&new, VTB_MEMORY
, scp
->xsize
, scp
->ysize
, NULL
, wait
);
3496 if (!discard
&& (old
.vtb_flags
& VTB_VALID
)) {
3497 /* retain the current cursor position and buffer contants */
3498 scp
->cursor_oldpos
= scp
->cursor_pos
;
3500 * This works only if the old buffer has the same size as or larger
3501 * than the new one. XXX
3503 sc_vtb_copy(&old
, 0, &new, 0, scp
->xsize
*scp
->ysize
);
3507 sc_vtb_destroy(&old
);
3510 #ifndef SC_NO_SYSMOUSE
3511 /* move the mouse cursor at the center of the screen */
3512 sc_mouse_move(scp
, scp
->xpixel
/ 2, scp
->ypixel
/ 2);
3514 lwkt_reltoken(&tty_token
);
3518 alloc_scp(sc_softc_t
*sc
, int vty
)
3522 /* assert(sc_malloc) */
3524 scp
= kmalloc(sizeof(scr_stat
), M_SYSCONS
, M_WAITOK
);
3525 init_scp(sc
, vty
, scp
);
3527 sc_alloc_scr_buffer(scp
, TRUE
, TRUE
);
3528 if (sc_init_emulator(scp
, SC_DFLT_TERM
))
3529 sc_init_emulator(scp
, "*");
3531 #ifndef SC_NO_CUTPASTE
3532 sc_alloc_cut_buffer(scp
, TRUE
);
3535 #ifndef SC_NO_HISTORY
3536 sc_alloc_history_buffer(scp
, 0, 0, TRUE
);
3542 * NOTE: Must be called with tty_token held.
3545 init_scp(sc_softc_t
*sc
, int vty
, scr_stat
*scp
)
3549 bzero(scp
, sizeof(*scp
));
3554 scp
->mode
= sc
->initial_mode
;
3555 scp
->fbi_generation
= sc
->fbi_generation
;
3556 callout_init_mp(&scp
->blink_screen_ch
);
3557 if (scp
->sc
->fbi
== NULL
) {
3558 lwkt_gettoken(&tty_token
);
3559 (*vidsw
[sc
->adapter
]->get_info
)(sc
->adp
, scp
->mode
, &info
);
3560 lwkt_reltoken(&tty_token
);
3562 if (scp
->sc
->fbi
!= NULL
) {
3563 scp
->xpixel
= sc
->fbi
->width
;
3564 scp
->ypixel
= sc
->fbi
->height
;
3565 scp
->font_width
= 8;
3566 scp
->font_height
= 16;
3568 /* The first vty uses a statically allocated 80x25 buffer */
3569 if (vty
== sc
->first_vty
)
3570 sc_font_scale(scp
, 80, 25);
3572 sc_font_scale(scp
, 0, 0);
3574 #ifndef SC_NO_FONT_LOADING
3575 scp
->font
= sc
->font_16
;
3579 } else if (info
.vi_flags
& V_INFO_GRAPHICS
) {
3580 scp
->status
|= GRAPHICS_MODE
;
3581 scp
->xpixel
= info
.vi_width
;
3582 scp
->ypixel
= info
.vi_height
;
3583 scp
->xsize
= info
.vi_width
/8;
3584 scp
->ysize
= info
.vi_height
/info
.vi_cheight
;
3585 scp
->font_height
= 0;
3586 scp
->font_width
= 0;
3589 scp
->xsize
= info
.vi_width
;
3590 scp
->ysize
= info
.vi_height
;
3591 scp
->xpixel
= scp
->xsize
*8;
3592 scp
->ypixel
= scp
->ysize
*info
.vi_cheight
;
3593 scp
->font_width
= 8;
3594 if (info
.vi_cheight
< 14) {
3595 scp
->font_height
= 8;
3596 #ifndef SC_NO_FONT_LOADING
3597 scp
->font
= sc
->font_8
;
3601 } else if (info
.vi_cheight
>= 16) {
3602 scp
->font_height
= 16;
3603 #ifndef SC_NO_FONT_LOADING
3604 scp
->font
= sc
->font_16
;
3609 scp
->font_height
= 14;
3610 #ifndef SC_NO_FONT_LOADING
3611 scp
->font
= sc
->font_14
;
3617 scp
->xoff
= scp
->yoff
= 0;
3618 scp
->xpos
= scp
->ypos
= 0;
3619 sc_vtb_init(&scp
->vtb
, VTB_MEMORY
, 0, 0, NULL
, FALSE
);
3620 sc_vtb_init(&scp
->scr
, VTB_FRAMEBUFFER
, 0, 0, NULL
, FALSE
);
3621 scp
->start
= scp
->xsize
* scp
->ysize
- 1;
3626 scp
->border
= SC_BORDER_COLOR
;
3627 scp
->cursor_base
= sc
->cursor_base
;
3628 scp
->cursor_height
= imin(sc
->cursor_height
, scp
->font_height
);
3629 scp
->mouse_cut_start
= scp
->xsize
* scp
->ysize
;
3630 scp
->mouse_cut_end
= -1;
3631 scp
->mouse_signal
= 0;
3633 scp
->mouse_proc
= NULL
;
3634 scp
->kbd_mode
= K_XLATE
;
3635 scp
->bell_pitch
= bios_value
.bell_pitch
;
3636 scp
->bell_duration
= BELL_DURATION
;
3637 scp
->status
|= (bios_value
.shift_state
& NLKED
);
3638 scp
->status
|= CURSOR_ENABLED
| MOUSE_HIDDEN
;
3641 scp
->smode
.mode
= VT_AUTO
;
3642 scp
->history
= NULL
;
3643 scp
->history_pos
= 0;
3644 scp
->history_size
= 0;
3648 sc_init_emulator(scr_stat
*scp
, char *name
)
3655 if (name
== NULL
) /* if no name is given, use the current emulator */
3657 else /* ...otherwise find the named emulator */
3658 sw
= sc_term_match(name
);
3664 if (strcmp(sw
->te_renderer
, "*") != 0) {
3665 rndr
= sc_render_match(scp
, sw
->te_renderer
, scp
->model
);
3667 if (rndr
== NULL
&& scp
->sc
->fbi
!= NULL
) {
3668 rndr
= sc_render_match(scp
, "kms", scp
->model
);
3671 rndr
= sc_render_match(scp
, scp
->sc
->adp
->va_name
, scp
->model
);
3677 if (sw
== scp
->tsw
) {
3678 error
= (*sw
->te_init
)(scp
, &scp
->ts
, SC_TE_WARM_INIT
);
3680 sc_clear_screen(scp
);
3681 /* assert(error == 0); */
3685 if (sc_malloc
&& (sw
->te_size
> 0))
3686 p
= kmalloc(sw
->te_size
, M_SYSCONS
, M_NOWAIT
);
3689 error
= (*sw
->te_init
)(scp
, &p
, SC_TE_COLD_INIT
);
3695 (*scp
->tsw
->te_term
)(scp
, &scp
->ts
);
3696 if (scp
->ts
!= NULL
)
3697 kfree(scp
->ts
, M_SYSCONS
);
3703 (*sw
->te_default_attr
)(scp
, user_default
.std_color
, user_default
.rev_color
);
3704 sc_clear_screen(scp
);
3710 * scgetc(flags) - get character from keyboard.
3711 * If flags & SCGETC_CN, then avoid harmful side effects.
3712 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else
3713 * return NOKEY if there is nothing there.
3716 scgetc(sc_softc_t
*sc
, u_int flags
)
3719 #ifndef SC_NO_HISTORY
3727 lwkt_gettoken(&tty_token
);
3728 if (sc
->kbd
== NULL
) {
3729 lwkt_reltoken(&tty_token
);
3735 /* I don't like this, but... XXX */
3736 if (flags
& SCGETC_CN
) {
3738 sccnupdate(sc
->cur_scp
);
3743 /* first see if there is something in the keyboard port */
3745 c
= kbd_read_char(sc
->kbd
, !(flags
& SCGETC_NONBLOCK
));
3747 if (!(flags
& SCGETC_CN
))
3748 sc_bell(scp
, bios_value
.bell_pitch
, BELL_DURATION
);
3749 } else if (c
== NOKEY
) {
3750 lwkt_reltoken(&tty_token
);
3757 /* make screensaver happy */
3759 sc_touch_scrn_saver();
3761 if (!(flags
& SCGETC_CN
))
3762 /* do the /dev/random device a favour */
3763 add_keyboard_randomness(c
);
3765 if (scp
->kbd_mode
!= K_XLATE
) {
3766 lwkt_reltoken(&tty_token
);
3770 /* if scroll-lock pressed allow history browsing */
3771 if (!ISGRAPHSC(scp
) && scp
->history
&& scp
->status
& SLKED
) {
3773 scp
->status
&= ~CURSOR_ENABLED
;
3774 sc_remove_cursor_image(scp
);
3776 #ifndef SC_NO_HISTORY
3777 if (!(scp
->status
& BUFFER_SAVED
)) {
3778 scp
->status
|= BUFFER_SAVED
;
3782 /* FIXME: key codes */
3783 case SPCLKEY
| FKEY
| F(49): /* home key */
3784 sc_remove_cutmarking(scp
);
3788 case SPCLKEY
| FKEY
| F(57): /* end key */
3789 sc_remove_cutmarking(scp
);
3793 case SPCLKEY
| FKEY
| F(50): /* up arrow key */
3794 sc_remove_cutmarking(scp
);
3795 if (sc_hist_up_line(scp
))
3796 if (!(flags
& SCGETC_CN
))
3797 sc_bell(scp
, bios_value
.bell_pitch
, BELL_DURATION
);
3800 case SPCLKEY
| FKEY
| F(58): /* down arrow key */
3801 sc_remove_cutmarking(scp
);
3802 if (sc_hist_down_line(scp
))
3803 if (!(flags
& SCGETC_CN
))
3804 sc_bell(scp
, bios_value
.bell_pitch
, BELL_DURATION
);
3807 case SPCLKEY
| FKEY
| F(51): /* page up key */
3808 sc_remove_cutmarking(scp
);
3809 for (i
=0; i
<scp
->ysize
; i
++) {
3810 if (sc_hist_up_line(scp
)) {
3811 if (!(flags
& SCGETC_CN
))
3812 sc_bell(scp
, bios_value
.bell_pitch
, BELL_DURATION
);
3818 case SPCLKEY
| FKEY
| F(59): /* page down key */
3819 sc_remove_cutmarking(scp
);
3820 for (i
=0; i
<scp
->ysize
; i
++) {
3821 if (sc_hist_down_line(scp
)) {
3822 if (!(flags
& SCGETC_CN
))
3823 sc_bell(scp
, bios_value
.bell_pitch
, BELL_DURATION
);
3829 #endif /* SC_NO_HISTORY */
3833 * Process and consume special keys here. Return a plain char code
3834 * or a char code with the META flag or a function key code.
3838 /* goto next_code */
3843 switch (KEYCHAR(c
)) {
3845 case NLK
: case CLK
: case ALK
:
3848 kbd_ioctl(sc
->kbd
, KDGKBSTATE
, (caddr_t
)&f
);
3850 scp
->status
|= SLKED
;
3852 if (scp
->status
& SLKED
) {
3853 scp
->status
&= ~SLKED
;
3854 #ifndef SC_NO_HISTORY
3855 if (scp
->status
& BUFFER_SAVED
) {
3856 if (!sc_hist_restore(scp
))
3857 sc_remove_cutmarking(scp
);
3858 scp
->status
&= ~BUFFER_SAVED
;
3859 scp
->status
|= CURSOR_ENABLED
;
3860 sc_draw_cursor_image(scp
);
3862 tp
= VIRTUAL_TTY(sc
, scp
->index
);
3870 /* NON-LOCKING KEYS */
3872 case LSH
: case RSH
: case LCTR
: case RCTR
:
3873 case LALT
: case RALT
: case ASH
: case META
:
3877 if (!(sc
->flags
& SC_SCRN_BLANKED
)) {
3878 lwkt_reltoken(&tty_token
);
3885 /* force activatation/deactivation of the screen saver */
3886 if (!(sc
->flags
& SC_SCRN_BLANKED
)) {
3887 run_scrn_saver
= TRUE
;
3888 sc
->scrn_time_stamp
-= scrn_blank_time
;
3892 * While devices are being probed, the screen saver need
3893 * to be invoked explictly. XXX
3895 if (sc
->flags
& SC_SCRN_BLANKED
) {
3896 scsplash_stick(FALSE
);
3897 stop_scrn_saver(sc
, current_saver
);
3899 if (!ISGRAPHSC(scp
)) {
3900 scsplash_stick(TRUE
);
3901 (*current_saver
)(sc
, TRUE
);
3905 #endif /* NSPLASH */
3909 #ifndef SC_DISABLE_REBOOT
3915 #ifndef SC_DISABLE_REBOOT
3916 shutdown_nice(RB_HALT
);
3921 #ifndef SC_DISABLE_REBOOT
3922 shutdown_nice(RB_HALT
|RB_POWEROFF
);
3931 #ifndef SC_DISABLE_DDBKEY
3933 lwkt_reltoken(&tty_token
);
3934 Debugger("manual escape to debugger");
3935 lwkt_gettoken(&tty_token
);
3937 kprintf("No debugger in kernel\n");
3939 #else /* SC_DISABLE_DDBKEY */
3941 #endif /* SC_DISABLE_DDBKEY */
3945 if (enable_panic_key
)
3946 panic("Forced by the panic key");
3950 this_scr
= scp
->index
;
3951 for (i
= (this_scr
- sc
->first_vty
+ 1)%sc
->vtys
;
3952 sc
->first_vty
+ i
!= this_scr
;
3953 i
= (i
+ 1)%sc
->vtys
) {
3954 struct tty
*tp
= VIRTUAL_TTY(sc
, sc
->first_vty
+ i
);
3955 if (ISTTYOPEN(tp
)) {
3957 sc_switch_scr(scp
->sc
, sc
->first_vty
+ i
);
3965 this_scr
= scp
->index
;
3966 for (i
= (this_scr
- sc
->first_vty
+ sc
->vtys
- 1)%sc
->vtys
;
3967 sc
->first_vty
+ i
!= this_scr
;
3968 i
= (i
+ sc
->vtys
- 1)%sc
->vtys
) {
3969 struct tty
*tp
= VIRTUAL_TTY(sc
, sc
->first_vty
+ i
);
3970 if (ISTTYOPEN(tp
)) {
3972 sc_switch_scr(scp
->sc
, sc
->first_vty
+ i
);
3980 if (KEYCHAR(c
) >= F_SCR
&& KEYCHAR(c
) <= L_SCR
) {
3982 sc_switch_scr(scp
->sc
, sc
->first_vty
+ KEYCHAR(c
) - F_SCR
);
3986 /* assert(c & FKEY) */
3987 if (!(sc
->flags
& SC_SCRN_BLANKED
)) {
3988 lwkt_reltoken(&tty_token
);
3993 /* goto next_code */
3995 /* regular keys (maybe MKEY is set) */
3996 if (!(sc
->flags
& SC_SCRN_BLANKED
)) {
3997 lwkt_reltoken(&tty_token
);
4007 scmmap(struct dev_mmap_args
*ap
)
4011 lwkt_gettoken(&tty_token
);
4012 scp
= SC_STAT(ap
->a_head
.a_dev
);
4013 if (scp
!= scp
->sc
->cur_scp
) {
4014 lwkt_reltoken(&tty_token
);
4017 if (scp
->sc
->fbi
!= NULL
) {
4019 roundup(scp
->sc
->fbi
->height
* scp
->sc
->fbi
->stride
, PAGE_SIZE
);
4020 if (ap
->a_offset
> sz
- PAGE_SIZE
) {
4021 lwkt_reltoken(&tty_token
);
4024 ap
->a_result
= atop(scp
->sc
->fbi
->paddr
+ ap
->a_offset
);
4027 ap
->a_result
= (*vidsw
[scp
->sc
->adapter
]->mmap
)(scp
->sc
->adp
,
4031 lwkt_reltoken(&tty_token
);
4036 save_kbd_state(scr_stat
*scp
, int unlock
)
4041 WANT_UNLOCK(unlock
);
4042 error
= kbd_ioctl(scp
->sc
->kbd
, KDGKBSTATE
, (caddr_t
)&state
);
4045 if (error
== ENOIOCTL
)
4048 scp
->status
&= ~LOCK_MASK
;
4049 scp
->status
|= state
;
4055 update_kbd_state(scr_stat
*scp
, int new_bits
, int mask
, int unlock
)
4060 if (mask
!= LOCK_MASK
) {
4061 WANT_UNLOCK(unlock
);
4062 error
= kbd_ioctl(scp
->sc
->kbd
, KDGKBSTATE
, (caddr_t
)&state
);
4065 if (error
== ENOIOCTL
)
4071 state
|= new_bits
& mask
;
4073 state
= new_bits
& LOCK_MASK
;
4075 WANT_UNLOCK(unlock
);
4076 error
= kbd_ioctl(scp
->sc
->kbd
, KDSKBSTATE
, (caddr_t
)&state
);
4078 if (error
== ENOIOCTL
)
4084 update_kbd_leds(scr_stat
*scp
, int which
)
4089 error
= kbd_ioctl(scp
->sc
->kbd
, KDSETLED
, (caddr_t
)&which
);
4090 if (error
== ENOIOCTL
)
4096 set_mode(scr_stat
*scp
)
4100 lwkt_gettoken(&tty_token
);
4101 /* reject unsupported mode */
4102 if (scp
->sc
->fbi
== NULL
&& (*vidsw
[scp
->sc
->adapter
]->get_info
)(scp
->sc
->adp
, scp
->mode
, &info
)) {
4103 lwkt_reltoken(&tty_token
);
4107 /* if this vty is not currently showing, do nothing */
4108 if (scp
!= scp
->sc
->cur_scp
) {
4109 lwkt_reltoken(&tty_token
);
4113 /* setup video hardware for the given mode */
4114 if (scp
->sc
->fbi
== NULL
) {
4115 (*vidsw
[scp
->sc
->adapter
]->set_mode
)(scp
->sc
->adp
, scp
->mode
);
4116 sc_vtb_init(&scp
->scr
, VTB_FRAMEBUFFER
, scp
->xsize
, scp
->ysize
,
4117 (void *)scp
->sc
->adp
->va_window
, FALSE
);
4122 #ifndef SC_NO_FONT_LOADING
4123 /* load appropriate font */
4124 if (!(scp
->status
& GRAPHICS_MODE
)) {
4125 if (!(scp
->status
& PIXEL_MODE
) && ISFONTAVAIL(scp
->sc
->adp
->va_flags
)) {
4126 if (scp
->font_height
< 14) {
4127 if (scp
->sc
->fonts_loaded
& FONT_8
)
4128 sc_load_font(scp
, 0, 8, scp
->sc
->font_8
, 0, 256);
4129 } else if (scp
->font_height
>= 16) {
4130 if (scp
->sc
->fonts_loaded
& FONT_16
)
4131 sc_load_font(scp
, 0, 16, scp
->sc
->font_16
, 0, 256);
4133 if (scp
->sc
->fonts_loaded
& FONT_14
)
4134 sc_load_font(scp
, 0, 14, scp
->sc
->font_14
, 0, 256);
4138 * This is an interim kludge to display correct font.
4139 * Always use the font page #0 on the video plane 2.
4140 * Somehow we cannot show the font in other font pages on
4141 * some video cards... XXX
4143 sc_show_font(scp
, 0);
4147 #endif /* !SC_NO_FONT_LOADING */
4149 sc_set_border(scp
, scp
->border
);
4150 sc_set_cursor_image(scp
);
4153 lwkt_reltoken(&tty_token
);
4158 refresh_ega_palette(scr_stat
*scp
)
4162 int rsize
, gsize
, bsize
;
4163 int rfld
, gfld
, bfld
;
4166 rsize
= scp
->sc
->adp
->va_info
.vi_pixel_fsizes
[0];
4167 gsize
= scp
->sc
->adp
->va_info
.vi_pixel_fsizes
[1];
4168 bsize
= scp
->sc
->adp
->va_info
.vi_pixel_fsizes
[2];
4169 rfld
= scp
->sc
->adp
->va_info
.vi_pixel_fields
[0];
4170 gfld
= scp
->sc
->adp
->va_info
.vi_pixel_fields
[1];
4171 bfld
= scp
->sc
->adp
->va_info
.vi_pixel_fields
[2];
4173 for (i
= 0; i
< 16; i
++) {
4174 reg
= scp
->sc
->adp
->va_palette_regs
[i
];
4176 r
= scp
->sc
->palette
[reg
* 3] >> (8 - rsize
);
4177 g
= scp
->sc
->palette
[reg
* 3 + 1] >> (8 - gsize
);
4178 b
= scp
->sc
->palette
[reg
* 3 + 2] >> (8 - bsize
);
4180 scp
->ega_palette
[i
] = (r
<< rfld
) + (g
<< gfld
) + (b
<< bfld
);
4185 sc_set_border(scr_stat
*scp
, int color
)
4187 atomic_add_int(&scp
->sc
->videoio_in_progress
, 1);
4188 (*scp
->rndr
->draw_border
)(scp
, color
);
4189 atomic_add_int(&scp
->sc
->videoio_in_progress
, -1);
4192 #ifndef SC_NO_FONT_LOADING
4194 sc_load_font(scr_stat
*scp
, int page
, int size
, u_char
*buf
,
4195 int base
, int count
)
4200 sc
->font_loading_in_progress
= TRUE
;
4201 (*vidsw
[sc
->adapter
]->load_font
)(sc
->adp
, page
, size
, buf
, base
, count
);
4202 sc
->font_loading_in_progress
= FALSE
;
4206 sc_save_font(scr_stat
*scp
, int page
, int size
, u_char
*buf
,
4207 int base
, int count
)
4212 sc
->font_loading_in_progress
= TRUE
;
4213 (*vidsw
[sc
->adapter
]->save_font
)(sc
->adp
, page
, size
, buf
, base
, count
);
4214 sc
->font_loading_in_progress
= FALSE
;
4218 sc_show_font(scr_stat
*scp
, int page
)
4220 (*vidsw
[scp
->sc
->adapter
]->show_font
)(scp
->sc
->adp
, page
);
4222 #endif /* !SC_NO_FONT_LOADING */
4225 sc_paste(scr_stat
*scp
, u_char
*p
, int count
)
4231 * Holy hell, don't try to inject a paste buffer if the keyboard
4232 * is not in ascii mode!
4234 if (scp
->kbd_mode
!= K_XLATE
)
4237 lwkt_gettoken(&tty_token
);
4238 if (scp
->status
& MOUSE_VISIBLE
) {
4239 tp
= VIRTUAL_TTY(scp
->sc
, scp
->sc
->cur_scp
->index
);
4240 if (!ISTTYOPEN(tp
)) {
4241 lwkt_reltoken(&tty_token
);
4244 rmap
= scp
->sc
->scr_rmap
;
4245 for (; count
> 0; --count
)
4246 (*linesw
[tp
->t_line
].l_rint
)(rmap
[*p
++], tp
);
4248 lwkt_reltoken(&tty_token
);
4252 sc_bell(scr_stat
*scp
, int pitch
, int duration
)
4254 if (cold
|| shutdown_in_progress
)
4257 if (scp
!= scp
->sc
->cur_scp
&& (scp
->sc
->flags
& SC_QUIET_BELL
)) {
4261 if (scp
->sc
->flags
& SC_VISUAL_BELL
) {
4262 if (scp
->sc
->blink_in_progress
) {
4265 scp
->sc
->blink_in_progress
= 3;
4266 if (scp
!= scp
->sc
->cur_scp
)
4267 scp
->sc
->blink_in_progress
+= 2;
4268 sc_blink_screen(scp
->sc
->cur_scp
);
4269 } else if (duration
!= 0 && pitch
!= 0) {
4270 if (scp
!= scp
->sc
->cur_scp
)
4272 sysbeep(pitch
, duration
);
4277 * Two versions of blink_screen(), one called from the console path
4278 * with the syscons locked, and one called from a timer callout.
4281 sc_blink_screen(scr_stat
*scp
)
4283 if (ISGRAPHSC(scp
) || (scp
->sc
->blink_in_progress
<= 1)) {
4284 scp
->sc
->blink_in_progress
= 0;
4286 if (scp
->sc
->delayed_next_scr
)
4287 sc_switch_scr(scp
->sc
, scp
->sc
->delayed_next_scr
- 1);
4289 (*scp
->rndr
->draw
)(scp
, 0, scp
->xsize
*scp
->ysize
,
4290 scp
->sc
->blink_in_progress
& 1);
4291 scp
->sc
->blink_in_progress
--;
4297 blink_screen_callout(void *arg
)
4299 scr_stat
*scp
= arg
;
4302 if (ISGRAPHSC(scp
) || (scp
->sc
->blink_in_progress
<= 1)) {
4304 scp
->sc
->blink_in_progress
= 0;
4307 tp
= VIRTUAL_TTY(scp
->sc
, scp
->index
);
4310 if (scp
->sc
->delayed_next_scr
) {
4312 sc_switch_scr(scp
->sc
, scp
->sc
->delayed_next_scr
- 1);
4317 (*scp
->rndr
->draw
)(scp
, 0, scp
->xsize
*scp
->ysize
,
4318 scp
->sc
->blink_in_progress
& 1);
4319 scp
->sc
->blink_in_progress
--;
4321 callout_reset(&scp
->blink_screen_ch
, hz
/ 10,
4322 blink_screen_callout
, scp
);
4328 * Allocate active keyboard. Try to allocate "kbdmux" keyboard first, and,
4329 * if found, add all non-busy keyboards to "kbdmux". Otherwise look for
4334 sc_allocate_keyboard(sc_softc_t
*sc
, int unit
)
4340 idx0
= kbd_allocate("kbdmux", -1, (void *)&sc
->keyboard
, sckbdevent
, sc
);
4342 k0
= kbd_get_keyboard(idx0
);
4344 for (idx
= kbd_find_keyboard2("*", -1, 0, 0);
4346 idx
= kbd_find_keyboard2("*", -1, idx
+ 1, 0)) {
4347 k
= kbd_get_keyboard(idx
);
4349 if (idx
== idx0
|| KBD_IS_BUSY(k
))
4352 bzero(&ki
, sizeof(ki
));
4353 strcpy(ki
.kb_name
, k
->kb_name
);
4354 ki
.kb_unit
= k
->kb_unit
;
4356 kbd_ioctl(k0
, KBADDKBD
, (caddr_t
) &ki
);
4359 idx0
= kbd_allocate("*", unit
, (void *)&sc
->keyboard
, sckbdevent
, sc
);