source: mainline/uspace/srv/console/console.c@ 8a81a73a

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 8a81a73a was 4198f9c3, checked in by Jakub Jermar <jakub@…>, 16 years ago

Separate the VFS input and output protocols.
  • Property mode set to 100644
File size: 18.0 KB
Line 
1/*
2 * Copyright (c) 2006 Josef Cejka
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup console
30 * @{
31 */
32/** @file
33 */
34
35#include <libc.h>
36#include <fb.h>
37#include <ipc/ipc.h>
38#include <kbd.h>
39#include <io/keycode.h>
40#include <ipc/fb.h>
41#include <ipc/services.h>
42#include <errno.h>
43#include <keybuffer.h>
44#include <ipc/console.h>
45#include <unistd.h>
46#include <async.h>
47#include <adt/fifo.h>
48#include <sys/mman.h>
49#include <stdio.h>
50#include <string.h>
51#include <sysinfo.h>
52#include <event.h>
53#include <devmap.h>
54#include <fibril_sync.h>
55
56#include "console.h"
57#include "gcons.h"
58#include "screenbuffer.h"
59
60#define NAME "console"
61
62#define MAX_DEVICE_NAME 32
63
64/** Phone to the keyboard driver. */
65static int kbd_phone;
66
67/** Information about framebuffer */
68struct {
69 int phone; /**< Framebuffer phone */
70 ipcarg_t cols; /**< Framebuffer columns */
71 ipcarg_t rows; /**< Framebuffer rows */
72} fb_info;
73
74typedef struct {
75 size_t index; /**< Console index */
76 size_t refcount; /**< Connection reference count */
77 dev_handle_t dev_handle; /**< Device handle */
78 keybuffer_t keybuffer; /**< Buffer for incoming keys. */
79 screenbuffer_t scr; /**< Screenbuffer for saving screen
80 contents and related settings. */
81} console_t;
82
83/** Array of data for virtual consoles */
84static console_t consoles[CONSOLE_COUNT];
85
86static console_t *active_console = &consoles[0];
87static console_t *prev_console = &consoles[0];
88static console_t *kernel_console = &consoles[KERNEL_CONSOLE];
89
90/** Pointer to memory shared with framebufer used for
91 faster virtual console switching */
92static keyfield_t *interbuffer = NULL;
93
94/** Information on row-span yet unsent to FB driver. */
95struct {
96 size_t col; /**< Leftmost column of the span. */
97 size_t row; /**< Row where the span lies. */
98 size_t cnt; /**< Width of the span. */
99} fb_pending;
100
101static FIBRIL_MUTEX_INITIALIZE(input_mutex);
102static FIBRIL_CONDVAR_INITIALIZE(input_cv);
103
104static void curs_visibility(bool visible)
105{
106 async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);
107}
108
109static void curs_hide_sync(void)
110{
111 ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);
112}
113
114static void curs_goto(size_t x, size_t y)
115{
116 async_msg_2(fb_info.phone, FB_CURSOR_GOTO, x, y);
117}
118
119static void screen_clear(void)
120{
121 async_msg_0(fb_info.phone, FB_CLEAR);
122}
123
124static void screen_yield(void)
125{
126 ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_YIELD);
127}
128
129static void screen_reclaim(void)
130{
131 ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_RECLAIM);
132}
133
134static void kbd_yield(void)
135{
136 ipc_call_sync_0_0(kbd_phone, KBD_YIELD);
137}
138
139static void kbd_reclaim(void)
140{
141 ipc_call_sync_0_0(kbd_phone, KBD_RECLAIM);
142}
143
144static void set_style(int style)
145{
146 async_msg_1(fb_info.phone, FB_SET_STYLE, style);
147}
148
149static void set_color(int fgcolor, int bgcolor, int flags)
150{
151 async_msg_3(fb_info.phone, FB_SET_COLOR, fgcolor, bgcolor, flags);
152}
153
154static void set_rgb_color(int fgcolor, int bgcolor)
155{
156 async_msg_2(fb_info.phone, FB_SET_RGB_COLOR, fgcolor, bgcolor);
157}
158
159static void set_attrs(attrs_t *attrs)
160{
161 switch (attrs->t) {
162 case at_style:
163 set_style(attrs->a.s.style);
164 break;
165 case at_idx:
166 set_color(attrs->a.i.fg_color, attrs->a.i.bg_color,
167 attrs->a.i.flags);
168 break;
169 case at_rgb:
170 set_rgb_color(attrs->a.r.fg_color, attrs->a.r.bg_color);
171 break;
172 }
173}
174
175/** Send an area of screenbuffer to the FB driver. */
176static void fb_update_area(console_t *cons, ipcarg_t x0, ipcarg_t y0, ipcarg_t width, ipcarg_t height)
177{
178 if (interbuffer) {
179 ipcarg_t x;
180 ipcarg_t y;
181
182 for (y = 0; y < height; y++) {
183 for (x = 0; x < width; x++) {
184 interbuffer[y * width + x] =
185 *get_field_at(&cons->scr, x0 + x, y0 + y);
186 }
187 }
188
189 async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
190 x0, y0, width, height);
191 }
192}
193
194/** Flush pending cells to FB. */
195static void fb_pending_flush(void)
196{
197 if (fb_pending.cnt > 0) {
198 fb_update_area(active_console, fb_pending.col,
199 fb_pending.row, fb_pending.cnt, 1);
200 fb_pending.cnt = 0;
201 }
202}
203
204/** Mark a character cell as changed.
205 *
206 * This adds the cell to the pending rowspan if possible. Otherwise
207 * the old span is flushed first.
208 *
209 */
210static void cell_mark_changed(size_t col, size_t row)
211{
212 if (fb_pending.cnt != 0) {
213 if ((col != fb_pending.col + fb_pending.cnt)
214 || (row != fb_pending.row)) {
215 fb_pending_flush();
216 }
217 }
218
219 if (fb_pending.cnt == 0) {
220 fb_pending.col = col;
221 fb_pending.row = row;
222 }
223
224 fb_pending.cnt++;
225}
226
227/** Print a character to the active VC with buffering. */
228static void fb_putchar(wchar_t c, ipcarg_t col, ipcarg_t row)
229{
230 async_msg_3(fb_info.phone, FB_PUTCHAR, c, col, row);
231}
232
233/** Process a character from the client (TTY emulation). */
234static void write_char(console_t *cons, wchar_t ch)
235{
236 bool flush_cursor = false;
237
238 switch (ch) {
239 case '\n':
240 fb_pending_flush();
241 flush_cursor = true;
242 cons->scr.position_y++;
243 cons->scr.position_x = 0;
244 break;
245 case '\r':
246 break;
247 case '\t':
248 cons->scr.position_x += 8;
249 cons->scr.position_x -= cons->scr.position_x % 8;
250 break;
251 case '\b':
252 if (cons->scr.position_x == 0)
253 break;
254 cons->scr.position_x--;
255 if (cons == active_console)
256 cell_mark_changed(cons->scr.position_x, cons->scr.position_y);
257 screenbuffer_putchar(&cons->scr, ' ');
258 break;
259 default:
260 if (cons == active_console)
261 cell_mark_changed(cons->scr.position_x, cons->scr.position_y);
262
263 screenbuffer_putchar(&cons->scr, ch);
264 cons->scr.position_x++;
265 }
266
267 if (cons->scr.position_x >= cons->scr.size_x) {
268 flush_cursor = true;
269 cons->scr.position_y++;
270 }
271
272 if (cons->scr.position_y >= cons->scr.size_y) {
273 fb_pending_flush();
274 cons->scr.position_y = cons->scr.size_y - 1;
275 screenbuffer_clear_line(&cons->scr, cons->scr.top_line);
276 cons->scr.top_line = (cons->scr.top_line + 1) % cons->scr.size_y;
277
278 if (cons == active_console)
279 async_msg_1(fb_info.phone, FB_SCROLL, 1);
280 }
281
282 if (cons == active_console && flush_cursor)
283 curs_goto(cons->scr.position_x, cons->scr.position_y);
284 cons->scr.position_x = cons->scr.position_x % cons->scr.size_x;
285}
286
287/** Switch to new console */
288static void change_console(console_t *cons)
289{
290 if (cons == active_console)
291 return;
292
293 fb_pending_flush();
294
295 if (cons == kernel_console) {
296 async_serialize_start();
297 curs_hide_sync();
298 gcons_in_kernel();
299 screen_yield();
300 kbd_yield();
301 async_serialize_end();
302
303 if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) {
304 prev_console = active_console;
305 active_console = kernel_console;
306 } else
307 cons = active_console;
308 }
309
310 if (cons != kernel_console) {
311 size_t x;
312 size_t y;
313 int rc = 0;
314
315 async_serialize_start();
316
317 if (active_console == kernel_console) {
318 screen_reclaim();
319 kbd_reclaim();
320 gcons_redraw_console();
321 }
322
323 active_console = cons;
324 gcons_change_console(cons->index);
325
326 set_attrs(&cons->scr.attrs);
327 curs_visibility(false);
328 if (interbuffer) {
329 for (y = 0; y < cons->scr.size_y; y++) {
330 for (x = 0; x < cons->scr.size_x; x++) {
331 interbuffer[y * cons->scr.size_x + x] =
332 *get_field_at(&cons->scr, x, y);
333 }
334 }
335
336 /* This call can preempt, but we are already at the end */
337 rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
338 0, 0, cons->scr.size_x,
339 cons->scr.size_y);
340 }
341
342 if ((!interbuffer) || (rc != 0)) {
343 set_attrs(&cons->scr.attrs);
344 screen_clear();
345
346 for (y = 0; y < cons->scr.size_y; y++)
347 for (x = 0; x < cons->scr.size_x; x++) {
348 keyfield_t *field = get_field_at(&cons->scr, x, y);
349
350 if (!attrs_same(cons->scr.attrs, field->attrs))
351 set_attrs(&field->attrs);
352
353 cons->scr.attrs = field->attrs;
354 if ((field->character == ' ') &&
355 (attrs_same(field->attrs, cons->scr.attrs)))
356 continue;
357
358 fb_putchar(field->character, x, y);
359 }
360 }
361
362 curs_goto(cons->scr.position_x, cons->scr.position_y);
363 curs_visibility(cons->scr.is_cursor_visible);
364
365 async_serialize_end();
366 }
367}
368
369/** Handler for keyboard */
370static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
371{
372 /* Ignore parameters, the connection is already opened */
373 while (true) {
374
375 ipc_call_t call;
376 ipc_callid_t callid = async_get_call(&call);
377
378 int retval;
379 console_event_t ev;
380
381 switch (IPC_GET_METHOD(call)) {
382 case IPC_M_PHONE_HUNGUP:
383 /* TODO: Handle hangup */
384 return;
385 case KBD_EVENT:
386 /* Got event from keyboard driver. */
387 retval = 0;
388 ev.type = IPC_GET_ARG1(call);
389 ev.key = IPC_GET_ARG2(call);
390 ev.mods = IPC_GET_ARG3(call);
391 ev.c = IPC_GET_ARG4(call);
392
393 if ((ev.key >= KC_F1) && (ev.key < KC_F1 +
394 CONSOLE_COUNT) && ((ev.mods & KM_CTRL) == 0)) {
395 if (ev.key == KC_F1 + KERNEL_CONSOLE)
396 change_console(kernel_console);
397 else
398 change_console(&consoles[ev.key - KC_F1]);
399 break;
400 }
401
402 fibril_mutex_lock(&input_mutex);
403 keybuffer_push(&active_console->keybuffer, &ev);
404 fibril_condvar_broadcast(&input_cv);
405 fibril_mutex_unlock(&input_mutex);
406 break;
407 default:
408 retval = ENOENT;
409 }
410 ipc_answer_0(callid, retval);
411 }
412}
413
414static void cons_write(console_t *cons, ipc_callid_t rid, ipc_call_t *request)
415{
416 ipc_callid_t callid;
417 size_t size;
418 if (!ipc_data_write_receive(&callid, &size)) {
419 ipc_answer_0(callid, EINVAL);
420 ipc_answer_0(rid, EINVAL);
421 return;
422 }
423
424 char *buf = (char *) malloc(size);
425 if (buf == NULL) {
426 ipc_answer_0(callid, ENOMEM);
427 ipc_answer_0(rid, ENOMEM);
428 return;
429 }
430
431 (void) ipc_data_write_finalize(callid, buf, size);
432
433 async_serialize_start();
434
435 size_t off = 0;
436 while (off < size) {
437 wchar_t ch = str_decode(buf, &off, size);
438 write_char(cons, ch);
439 }
440
441 async_serialize_end();
442
443 gcons_notify_char(cons->index);
444 ipc_answer_1(rid, EOK, size);
445
446 free(buf);
447}
448
449static void cons_read(console_t *cons, ipc_callid_t rid, ipc_call_t *request)
450{
451 ipc_callid_t callid;
452 size_t size;
453 if (!ipc_data_read_receive(&callid, &size)) {
454 ipc_answer_0(callid, EINVAL);
455 ipc_answer_0(rid, EINVAL);
456 return;
457 }
458
459 char *buf = (char *) malloc(size);
460 if (buf == NULL) {
461 ipc_answer_0(callid, ENOMEM);
462 ipc_answer_0(rid, ENOMEM);
463 return;
464 }
465
466 size_t pos = 0;
467 console_event_t ev;
468 fibril_mutex_lock(&input_mutex);
469recheck:
470 while ((keybuffer_pop(&cons->keybuffer, &ev)) && (pos < size)) {
471 if (ev.type == KEY_PRESS) {
472 buf[pos] = ev.c;
473 pos++;
474 }
475 }
476
477 if (pos == size) {
478 (void) ipc_data_read_finalize(callid, buf, size);
479 ipc_answer_1(rid, EOK, size);
480 free(buf);
481 } else {
482 fibril_condvar_wait(&input_cv, &input_mutex);
483 goto recheck;
484 }
485 fibril_mutex_unlock(&input_mutex);
486}
487
488static void cons_get_event(console_t *cons, ipc_callid_t rid, ipc_call_t *request)
489{
490 console_event_t ev;
491
492 fibril_mutex_lock(&input_mutex);
493recheck:
494 if (keybuffer_pop(&cons->keybuffer, &ev)) {
495 ipc_answer_4(rid, EOK, ev.type, ev.key, ev.mods, ev.c);
496 } else {
497 fibril_condvar_wait(&input_cv, &input_mutex);
498 goto recheck;
499 }
500 fibril_mutex_unlock(&input_mutex);
501}
502
503/** Default thread for new connections */
504static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
505{
506 console_t *cons = NULL;
507
508 size_t i;
509 for (i = 0; i < CONSOLE_COUNT; i++) {
510 if (i == KERNEL_CONSOLE)
511 continue;
512
513 if (consoles[i].dev_handle == (dev_handle_t) IPC_GET_ARG1(*icall)) {
514 cons = &consoles[i];
515 break;
516 }
517 }
518
519 if (cons == NULL) {
520 ipc_answer_0(iid, ENOENT);
521 return;
522 }
523
524 ipc_callid_t callid;
525 ipc_call_t call;
526 ipcarg_t arg1;
527 ipcarg_t arg2;
528 ipcarg_t arg3;
529
530 async_serialize_start();
531 if (cons->refcount == 0)
532 gcons_notify_connect(cons->index);
533
534 cons->refcount++;
535
536 /* Accept the connection */
537 ipc_answer_0(iid, EOK);
538
539 while (true) {
540 async_serialize_end();
541 callid = async_get_call(&call);
542 async_serialize_start();
543
544 arg1 = 0;
545 arg2 = 0;
546 arg3 = 0;
547
548 switch (IPC_GET_METHOD(call)) {
549 case IPC_M_PHONE_HUNGUP:
550 cons->refcount--;
551 if (cons->refcount == 0)
552 gcons_notify_disconnect(cons->index);
553 return;
554 case VFS_OUT_READ:
555 async_serialize_end();
556 cons_read(cons, callid, &call);
557 async_serialize_start();
558 continue;
559 case VFS_OUT_WRITE:
560 async_serialize_end();
561 cons_write(cons, callid, &call);
562 async_serialize_start();
563 continue;
564 case VFS_OUT_SYNC:
565 fb_pending_flush();
566 if (cons == active_console) {
567 async_req_0_0(fb_info.phone, FB_FLUSH);
568
569 curs_goto(cons->scr.position_x, cons->scr.position_y);
570 }
571 break;
572 case CONSOLE_CLEAR:
573 /* Send message to fb */
574 if (cons == active_console)
575 async_msg_0(fb_info.phone, FB_CLEAR);
576
577 screenbuffer_clear(&cons->scr);
578
579 break;
580 case CONSOLE_GOTO:
581 screenbuffer_goto(&cons->scr,
582 IPC_GET_ARG1(call), IPC_GET_ARG2(call));
583 if (cons == active_console)
584 curs_goto(IPC_GET_ARG1(call),
585 IPC_GET_ARG2(call));
586 break;
587 case CONSOLE_GET_SIZE:
588 arg1 = fb_info.cols;
589 arg2 = fb_info.rows;
590 break;
591 case CONSOLE_SET_STYLE:
592 fb_pending_flush();
593 arg1 = IPC_GET_ARG1(call);
594 screenbuffer_set_style(&cons->scr, arg1);
595 if (cons == active_console)
596 set_style(arg1);
597 break;
598 case CONSOLE_SET_COLOR:
599 fb_pending_flush();
600 arg1 = IPC_GET_ARG1(call);
601 arg2 = IPC_GET_ARG2(call);
602 arg3 = IPC_GET_ARG3(call);
603 screenbuffer_set_color(&cons->scr, arg1, arg2, arg3);
604 if (cons == active_console)
605 set_color(arg1, arg2, arg3);
606 break;
607 case CONSOLE_SET_RGB_COLOR:
608 fb_pending_flush();
609 arg1 = IPC_GET_ARG1(call);
610 arg2 = IPC_GET_ARG2(call);
611 screenbuffer_set_rgb_color(&cons->scr, arg1, arg2);
612 if (cons == active_console)
613 set_rgb_color(arg1, arg2);
614 break;
615 case CONSOLE_CURSOR_VISIBILITY:
616 fb_pending_flush();
617 arg1 = IPC_GET_ARG1(call);
618 cons->scr.is_cursor_visible = arg1;
619 if (cons == active_console)
620 curs_visibility(arg1);
621 break;
622 case CONSOLE_GET_EVENT:
623 async_serialize_end();
624 cons_get_event(cons, callid, &call);
625 async_serialize_start();
626 continue;
627 case CONSOLE_KCON_ENABLE:
628 change_console(kernel_console);
629 break;
630 }
631 ipc_answer_3(callid, EOK, arg1, arg2, arg3);
632 }
633}
634
635static void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
636{
637 change_console(prev_console);
638}
639
640static bool console_init(void)
641{
642 /* Connect to keyboard driver */
643 kbd_phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
644 if (kbd_phone < 0) {
645 printf(NAME ": Failed to connect to keyboard service\n");
646 return false;
647 }
648
649 ipcarg_t phonehash;
650 if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0) {
651 printf(NAME ": Failed to create callback from keyboard service\n");
652 return false;
653 }
654
655 async_new_connection(phonehash, 0, NULL, keyboard_events);
656
657 /* Connect to framebuffer driver */
658 fb_info.phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_VIDEO, 0, 0);
659 if (fb_info.phone < 0) {
660 printf(NAME ": Failed to connect to video service\n");
661 return -1;
662 }
663
664 /* Register driver */
665 int rc = devmap_driver_register(NAME, client_connection);
666 if (rc < 0) {
667 printf(NAME ": Unable to register driver (%d)\n", rc);
668 return false;
669 }
670
671 /* Initialize gcons */
672 gcons_init(fb_info.phone);
673
674 /* Synchronize, the gcons could put something in queue */
675 async_req_0_0(fb_info.phone, FB_FLUSH);
676 async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.cols, &fb_info.rows);
677
678 /* Set up shared memory buffer. */
679 size_t ib_size = sizeof(keyfield_t) * fb_info.cols * fb_info.rows;
680 interbuffer = as_get_mappable_page(ib_size);
681
682 if (as_area_create(interbuffer, ib_size, AS_AREA_READ |
683 AS_AREA_WRITE | AS_AREA_CACHEABLE) != interbuffer)
684 interbuffer = NULL;
685
686 if (interbuffer) {
687 if (ipc_share_out_start(fb_info.phone, interbuffer,
688 AS_AREA_READ) != EOK) {
689 as_area_destroy(interbuffer);
690 interbuffer = NULL;
691 }
692 }
693
694 fb_pending.cnt = 0;
695
696 /* Inititalize consoles */
697 size_t i;
698 for (i = 0; i < CONSOLE_COUNT; i++) {
699 if (i != KERNEL_CONSOLE) {
700 if (screenbuffer_init(&consoles[i].scr,
701 fb_info.cols, fb_info.rows) == NULL) {
702 printf(NAME ": Unable to allocate screen buffer %u\n", i);
703 return false;
704 }
705 screenbuffer_clear(&consoles[i].scr);
706 keybuffer_init(&consoles[i].keybuffer);
707 consoles[i].index = i;
708 consoles[i].refcount = 0;
709
710 char vc[MAX_DEVICE_NAME];
711 snprintf(vc, MAX_DEVICE_NAME, "vc%u", i);
712
713 if (devmap_device_register(vc, &consoles[i].dev_handle) != EOK) {
714 devmap_hangup_phone(DEVMAP_DRIVER);
715 printf(NAME ": Unable to register device %s\n", vc);
716 return false;
717 }
718 }
719 }
720
721 /* Disable kernel output to the console */
722 __SYSCALL0(SYS_DEBUG_DISABLE_CONSOLE);
723
724 /* Initialize the screen */
725 async_serialize_start();
726 gcons_redraw_console();
727 set_rgb_color(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
728 screen_clear();
729 curs_goto(0, 0);
730 curs_visibility(active_console->scr.is_cursor_visible);
731 async_serialize_end();
732
733 /* Receive kernel notifications */
734 if (event_subscribe(EVENT_KCONSOLE, 0) != EOK)
735 printf(NAME ": Error registering kconsole notifications\n");
736
737 async_set_interrupt_received(interrupt_received);
738
739 return true;
740}
741
742int main(int argc, char *argv[])
743{
744 printf(NAME ": HelenOS Console service\n");
745
746 if (!console_init())
747 return -1;
748
749 printf(NAME ": Accepting connections\n");
750 async_manager();
751
752 return 0;
753}
754
755/** @}
756 */
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