source: mainline/uspace/srv/console/console.c@ ebfabf6

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since ebfabf6 was ebfabf6, checked in by Jiri Svoboda <jirik.svoboda@…>, 16 years ago

Use better method names.
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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 <kbd/keycode.h>
40#include <ipc/fb.h>
41#include <ipc/services.h>
42#include <errno.h>
43#include <key_buffer.h>
44#include <ipc/console.h>
45#include <unistd.h>
46#include <async.h>
47#include <libadt/fifo.h>
48#include <screenbuffer.h>
49#include <sys/mman.h>
50#include <stdio.h>
51#include <string.h>
52#include <sysinfo.h>
53#include <event.h>
54
55#include "console.h"
56#include "gcons.h"
57
58#define MAX_KEYREQUESTS_BUFFERED 32
59
60#define NAME "console"
61
62/** Index of currently used virtual console.
63 */
64int active_console = 0;
65int prev_console = 0;
66
67/** Information about framebuffer */
68struct {
69 int phone; /**< Framebuffer phone */
70 ipcarg_t rows; /**< Framebuffer rows */
71 ipcarg_t cols; /**< Framebuffer columns */
72} fb_info;
73
74typedef struct {
75 keybuffer_t keybuffer; /**< Buffer for incoming keys. */
76 /** Buffer for unsatisfied request for keys. */
77 FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
78 MAX_KEYREQUESTS_BUFFERED);
79 int keyrequest_counter; /**< Number of requests in buffer. */
80 int client_phone; /**< Phone to connected client. */
81 int used; /**< 1 if this virtual console is
82 * connected to some client.*/
83 screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen
84 * contents and related settings. */
85} connection_t;
86
87static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
88 * consoles */
89static keyfield_t *interbuffer = NULL; /**< Pointer to memory shared
90 * with framebufer used for
91 * faster virtual console
92 * switching */
93
94/** Information on row-span yet unsent to FB driver. */
95struct {
96 int row; /**< Row where the span lies. */
97 int col; /**< Leftmost column of the span. */
98 int n; /**< Width of the span. */
99} fb_pending;
100
101/** Size of cwrite_buf. */
102#define CWRITE_BUF_SIZE 256
103
104/** Buffer for receiving data via the CONSOLE_WRITE call from the client. */
105static char cwrite_buf[CWRITE_BUF_SIZE];
106
107static void fb_putchar(wchar_t c, int row, int col);
108
109
110/** Find unused virtual console.
111 *
112 */
113static int find_free_connection(void)
114{
115 int i;
116
117 for (i = 0; i < CONSOLE_COUNT; i++) {
118 if (!connections[i].used)
119 return i;
120 }
121 return -1;
122}
123
124static void clrscr(void)
125{
126 async_msg_0(fb_info.phone, FB_CLEAR);
127}
128
129static void curs_visibility(bool visible)
130{
131 async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);
132}
133
134static void curs_hide_sync(void)
135{
136 ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);
137}
138
139static void curs_goto(int row, int col)
140{
141 async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
142}
143
144static void screen_yield(void)
145{
146 ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_YIELD);
147}
148
149static void screen_reclaim(void)
150{
151 ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_RECLAIM);
152}
153
154static void set_style(int style)
155{
156 async_msg_1(fb_info.phone, FB_SET_STYLE, style);
157}
158
159static void set_color(int fgcolor, int bgcolor, int flags)
160{
161 async_msg_3(fb_info.phone, FB_SET_COLOR, fgcolor, bgcolor, flags);
162}
163
164static void set_rgb_color(int fgcolor, int bgcolor)
165{
166 async_msg_2(fb_info.phone, FB_SET_RGB_COLOR, fgcolor, bgcolor);
167}
168
169static void set_attrs(attrs_t *attrs)
170{
171 switch (attrs->t) {
172 case at_style:
173 set_style(attrs->a.s.style);
174 break;
175
176 case at_idx:
177 set_color(attrs->a.i.fg_color, attrs->a.i.bg_color,
178 attrs->a.i.flags);
179 break;
180
181 case at_rgb:
182 set_rgb_color(attrs->a.r.fg_color, attrs->a.r.bg_color);
183 break;
184 }
185}
186
187/** Send an area of screenbuffer to the FB driver. */
188static void fb_update_area(connection_t *conn, int x, int y, int w, int h)
189{
190 int i, j;
191 int rc;
192 attrs_t *attrs;
193 keyfield_t *field;
194
195 if (interbuffer) {
196 for (j = 0; j < h; j++) {
197 for (i = 0; i < w; i++) {
198 interbuffer[i + j * w] =
199 *get_field_at(&conn->screenbuffer,
200 x + i, y + j);
201 }
202 }
203
204 rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
205 x, y, w, h);
206 } else {
207 rc = ENOTSUP;
208 }
209
210 if (rc != 0) {
211 /*
212 attrs = &conn->screenbuffer.attrs;
213
214 for (j = 0; j < h; j++) {
215 for (i = 0; i < w; i++) {
216 field = get_field_at(&conn->screenbuffer,
217 x + i, y + j);
218 if (!attrs_same(*attrs, field->attrs))
219 set_attrs(&field->attrs);
220 attrs = &field->attrs;
221
222 fb_putchar(field->character, y + j, x + i);
223 }
224 }*/
225 }
226}
227
228/** Flush pending cells to FB. */
229static void fb_pending_flush(void)
230{
231 screenbuffer_t *scr;
232
233 scr = &(connections[active_console].screenbuffer);
234
235 if (fb_pending.n > 0) {
236 fb_update_area(&connections[active_console], fb_pending.col,
237 fb_pending.row, fb_pending.n, 1);
238 fb_pending.n = 0;
239 }
240}
241
242/** Mark a character cell as changed.
243 *
244 * This adds the cell to the pending rowspan if possible. Otherwise
245 * the old span is flushed first.
246 */
247static void cell_mark_changed(int row, int col)
248{
249 if (fb_pending.n != 0) {
250 if (row != fb_pending.row ||
251 col != fb_pending.col + fb_pending.n) {
252 fb_pending_flush();
253 }
254 }
255
256 if (fb_pending.n == 0) {
257 fb_pending.row = row;
258 fb_pending.col = col;
259 }
260
261 ++fb_pending.n;
262}
263
264
265/** Print a character to the active VC with buffering. */
266static void fb_putchar(wchar_t c, int row, int col)
267{
268 async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
269}
270
271/** Process a character from the client (TTY emulation). */
272static void write_char(int console, wchar_t ch)
273{
274 bool flush_cursor = false;
275 screenbuffer_t *scr = &(connections[console].screenbuffer);
276
277 switch (ch) {
278 case '\n':
279 fb_pending_flush();
280 flush_cursor = true;
281 scr->position_y++;
282 scr->position_x = 0;
283 break;
284 case '\r':
285 break;
286 case '\t':
287 scr->position_x += 8;
288 scr->position_x -= scr->position_x % 8;
289 break;
290 case '\b':
291 if (scr->position_x == 0)
292 break;
293 scr->position_x--;
294 if (console == active_console)
295 cell_mark_changed(scr->position_y, scr->position_x);
296 screenbuffer_putchar(scr, ' ');
297 break;
298 default:
299 if (console == active_console)
300 cell_mark_changed(scr->position_y, scr->position_x);
301
302 screenbuffer_putchar(scr, ch);
303 scr->position_x++;
304 }
305
306 if (scr->position_x >= scr->size_x) {
307 flush_cursor = true;
308 scr->position_y++;
309 }
310
311 if (scr->position_y >= scr->size_y) {
312 fb_pending_flush();
313 scr->position_y = scr->size_y - 1;
314 screenbuffer_clear_line(scr, scr->top_line);
315 scr->top_line = (scr->top_line + 1) % scr->size_y;
316 if (console == active_console)
317 async_msg_1(fb_info.phone, FB_SCROLL, 1);
318 }
319
320 scr->position_x = scr->position_x % scr->size_x;
321
322 if (console == active_console && flush_cursor)
323 curs_goto(scr->position_y, scr->position_x);
324}
325
326/** Switch to new console */
327static void change_console(int newcons)
328{
329 connection_t *conn;
330 int i, j, rc;
331 keyfield_t *field;
332 attrs_t *attrs;
333
334 if (newcons == active_console)
335 return;
336
337 fb_pending_flush();
338
339 if (newcons == KERNEL_CONSOLE) {
340 async_serialize_start();
341 curs_hide_sync();
342 gcons_in_kernel();
343 screen_yield();
344 async_serialize_end();
345
346
347 if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) {
348 prev_console = active_console;
349 active_console = KERNEL_CONSOLE;
350 } else
351 newcons = active_console;
352 }
353
354 if (newcons != KERNEL_CONSOLE) {
355 async_serialize_start();
356
357 if (active_console == KERNEL_CONSOLE) {
358 screen_reclaim();
359 gcons_redraw_console();
360 }
361
362 active_console = newcons;
363 gcons_change_console(newcons);
364 conn = &connections[active_console];
365
366 set_attrs(&conn->screenbuffer.attrs);
367 curs_visibility(false);
368 if (interbuffer) {
369 for (j = 0; j < conn->screenbuffer.size_y; j++) {
370 for (i = 0; i < conn->screenbuffer.size_x; i++) {
371 unsigned int size_x;
372
373 size_x = conn->screenbuffer.size_x;
374 interbuffer[j * size_x + i] =
375 *get_field_at(&conn->screenbuffer, i, j);
376 }
377 }
378 /* This call can preempt, but we are already at the end */
379 rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
380 0, 0, conn->screenbuffer.size_x,
381 conn->screenbuffer.size_y);
382 }
383
384 if ((!interbuffer) || (rc != 0)) {
385 set_attrs(&conn->screenbuffer.attrs);
386 clrscr();
387 attrs = &conn->screenbuffer.attrs;
388
389 for (j = 0; j < conn->screenbuffer.size_y; j++)
390 for (i = 0; i < conn->screenbuffer.size_x; i++) {
391 field = get_field_at(&conn->screenbuffer, i, j);
392 if (!attrs_same(*attrs, field->attrs))
393 set_attrs(&field->attrs);
394 attrs = &field->attrs;
395 if ((field->character == ' ') &&
396 (attrs_same(field->attrs,
397 conn->screenbuffer.attrs)))
398 continue;
399
400 fb_putchar(field->character, j, i);
401 }
402 }
403
404 curs_goto(conn->screenbuffer.position_y,
405 conn->screenbuffer.position_x);
406 curs_visibility(conn->screenbuffer.is_cursor_visible);
407
408 async_serialize_end();
409 }
410}
411
412/** Handler for keyboard */
413static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
414{
415 ipc_callid_t callid;
416 ipc_call_t call;
417 int retval;
418 kbd_event_t ev;
419 connection_t *conn;
420 int newcon;
421
422 /* Ignore parameters, the connection is alread opened */
423 while (1) {
424 callid = async_get_call(&call);
425 switch (IPC_GET_METHOD(call)) {
426 case IPC_M_PHONE_HUNGUP:
427 /* TODO: Handle hangup */
428 return;
429 case KBD_MS_LEFT:
430 newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
431 if (newcon != -1)
432 change_console(newcon);
433 retval = 0;
434 break;
435 case KBD_MS_MOVE:
436 gcons_mouse_move(IPC_GET_ARG1(call),
437 IPC_GET_ARG2(call));
438 retval = 0;
439 break;
440 case KBD_EVENT:
441 /* Got event from keyboard driver. */
442 retval = 0;
443 ev.type = IPC_GET_ARG1(call);
444 ev.key = IPC_GET_ARG2(call);
445 ev.mods = IPC_GET_ARG3(call);
446 ev.c = IPC_GET_ARG4(call);
447
448 /* switch to another virtual console */
449
450 conn = &connections[active_console];
451
452 if ((ev.key >= KC_F1) && (ev.key < KC_F1 +
453 CONSOLE_COUNT) && ((ev.mods & KM_CTRL) == 0)) {
454 if (ev.key == KC_F12)
455 change_console(KERNEL_CONSOLE);
456 else
457 change_console(ev.key - KC_F1);
458 break;
459 }
460
461 /* if client is awaiting key, send it */
462 if (conn->keyrequest_counter > 0) {
463 conn->keyrequest_counter--;
464 ipc_answer_4(fifo_pop(conn->keyrequests), EOK,
465 ev.type, ev.key, ev.mods, ev.c);
466 break;
467 }
468
469 keybuffer_push(&conn->keybuffer, &ev);
470 retval = 0;
471
472 break;
473 default:
474 retval = ENOENT;
475 }
476 ipc_answer_0(callid, retval);
477 }
478}
479
480/** Handle CONSOLE_WRITE call. */
481static void cons_write(int consnum, ipc_callid_t rid, ipc_call_t *request)
482{
483 ipc_callid_t callid;
484 size_t size;
485 wchar_t ch;
486 size_t off;
487
488 if (!ipc_data_write_receive(&callid, &size)) {
489 ipc_answer_0(callid, EINVAL);
490 ipc_answer_0(rid, EINVAL);
491 }
492
493 if (size > CWRITE_BUF_SIZE)
494 size = CWRITE_BUF_SIZE;
495
496 (void) ipc_data_write_finalize(callid, cwrite_buf, size);
497
498 off = 0;
499 while (off < size) {
500 ch = str_decode(cwrite_buf, &off, size);
501 write_char(consnum, ch);
502 }
503
504 gcons_notify_char(consnum);
505 ipc_answer_1(rid, EOK, size);
506}
507
508/** Default thread for new connections */
509static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
510{
511 ipc_callid_t callid;
512 ipc_call_t call;
513 int consnum;
514 ipcarg_t arg1, arg2, arg3, arg4;
515 connection_t *conn;
516 screenbuffer_t *scr;
517
518 if ((consnum = find_free_connection()) == -1) {
519 ipc_answer_0(iid, ELIMIT);
520 return;
521 }
522 conn = &connections[consnum];
523 conn->used = 1;
524
525 async_serialize_start();
526 gcons_notify_connect(consnum);
527 conn->client_phone = IPC_GET_ARG5(*icall);
528 screenbuffer_clear(&conn->screenbuffer);
529 if (consnum == active_console)
530 clrscr();
531
532 /* Accept the connection */
533 ipc_answer_0(iid, EOK);
534
535 while (1) {
536 async_serialize_end();
537 callid = async_get_call(&call);
538 async_serialize_start();
539
540 arg1 = 0;
541 arg2 = 0;
542 arg3 = 0;
543 arg4 = 0;
544
545 switch (IPC_GET_METHOD(call)) {
546 case IPC_M_PHONE_HUNGUP:
547 gcons_notify_disconnect(consnum);
548
549 /* Answer all pending requests */
550 while (conn->keyrequest_counter > 0) {
551 conn->keyrequest_counter--;
552 ipc_answer_0(fifo_pop(conn->keyrequests),
553 ENOENT);
554 break;
555 }
556 conn->used = 0;
557 return;
558 case CONSOLE_PUTCHAR:
559 write_char(consnum, IPC_GET_ARG1(call));
560 gcons_notify_char(consnum);
561 break;
562 case CONSOLE_WRITE:
563 cons_write(consnum, callid, &call);
564 continue;
565 case CONSOLE_CLEAR:
566 /* Send message to fb */
567 if (consnum == active_console) {
568 async_msg_0(fb_info.phone, FB_CLEAR);
569 }
570
571 screenbuffer_clear(&conn->screenbuffer);
572
573 break;
574 case CONSOLE_GOTO:
575 screenbuffer_goto(&conn->screenbuffer,
576 IPC_GET_ARG2(call), IPC_GET_ARG1(call));
577 if (consnum == active_console)
578 curs_goto(IPC_GET_ARG1(call),
579 IPC_GET_ARG2(call));
580 break;
581 case CONSOLE_GETSIZE:
582 arg1 = fb_info.rows;
583 arg2 = fb_info.cols;
584 break;
585 case CONSOLE_FLUSH:
586 fb_pending_flush();
587 if (consnum == active_console) {
588 async_req_0_0(fb_info.phone, FB_FLUSH);
589
590 scr = &(connections[consnum].screenbuffer);
591 curs_goto(scr->position_y, scr->position_x);
592 }
593 break;
594 case CONSOLE_SET_STYLE:
595 fb_pending_flush();
596 arg1 = IPC_GET_ARG1(call);
597 screenbuffer_set_style(&conn->screenbuffer, arg1);
598 if (consnum == active_console)
599 set_style(arg1);
600 break;
601 case CONSOLE_SET_COLOR:
602 fb_pending_flush();
603 arg1 = IPC_GET_ARG1(call);
604 arg2 = IPC_GET_ARG2(call);
605 arg3 = IPC_GET_ARG3(call);
606 screenbuffer_set_color(&conn->screenbuffer, arg1,
607 arg2, arg3);
608 if (consnum == active_console)
609 set_color(arg1, arg2, arg3);
610 break;
611 case CONSOLE_SET_RGB_COLOR:
612 fb_pending_flush();
613 arg1 = IPC_GET_ARG1(call);
614 arg2 = IPC_GET_ARG2(call);
615 screenbuffer_set_rgb_color(&conn->screenbuffer, arg1,
616 arg2);
617 if (consnum == active_console)
618 set_rgb_color(arg1, arg2);
619 break;
620 case CONSOLE_CURSOR_VISIBILITY:
621 fb_pending_flush();
622 arg1 = IPC_GET_ARG1(call);
623 conn->screenbuffer.is_cursor_visible = arg1;
624 if (consnum == active_console)
625 curs_visibility(arg1);
626 break;
627 case CONSOLE_GETKEY:
628 if (keybuffer_empty(&conn->keybuffer)) {
629 /* buffer is empty -> store request */
630 if (conn->keyrequest_counter <
631 MAX_KEYREQUESTS_BUFFERED) {
632 fifo_push(conn->keyrequests, callid);
633 conn->keyrequest_counter++;
634 } else {
635 /*
636 * No key available and too many
637 * requests => fail.
638 */
639 ipc_answer_0(callid, ELIMIT);
640 }
641 continue;
642 }
643 kbd_event_t ev;
644 keybuffer_pop(&conn->keybuffer, &ev);
645 arg1 = ev.type;
646 arg2 = ev.key;
647 arg3 = ev.mods;
648 arg4 = ev.c;
649 break;
650 case CONSOLE_KCON_ENABLE:
651 change_console(KERNEL_CONSOLE);
652 break;
653 }
654 ipc_answer_4(callid, EOK, arg1, arg2, arg3, arg4);
655 }
656}
657
658static void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
659{
660 change_console(prev_console);
661}
662
663int main(int argc, char *argv[])
664{
665 printf(NAME ": HelenOS Console service\n");
666
667 ipcarg_t phonehash;
668 int kbd_phone;
669 size_t ib_size;
670 int i;
671
672 async_set_client_connection(client_connection);
673
674 /* Connect to keyboard driver */
675 kbd_phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
676 if (kbd_phone < 0) {
677 printf(NAME ": Failed to connect to keyboard service\n");
678 return -1;
679 }
680
681 if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0) {
682 printf(NAME ": Failed to create callback from keyboard service\n");
683 return -1;
684 }
685
686 async_new_connection(phonehash, 0, NULL, keyboard_events);
687
688 /* Connect to framebuffer driver */
689 fb_info.phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_VIDEO, 0, 0);
690 if (fb_info.phone < 0) {
691 printf(NAME ": Failed to connect to video service\n");
692 return -1;
693 }
694
695 /* Disable kernel output to the console */
696 __SYSCALL0(SYS_DEBUG_DISABLE_CONSOLE);
697
698 /* Initialize gcons */
699 gcons_init(fb_info.phone);
700 /* Synchronize, the gcons can have something in queue */
701 async_req_0_0(fb_info.phone, FB_FLUSH);
702
703 async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.rows,
704 &fb_info.cols);
705 set_rgb_color(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
706 clrscr();
707
708 /* Init virtual consoles */
709 for (i = 0; i < CONSOLE_COUNT; i++) {
710 connections[i].used = 0;
711 keybuffer_init(&connections[i].keybuffer);
712
713 connections[i].keyrequests.head = 0;
714 connections[i].keyrequests.tail = 0;
715 connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
716 connections[i].keyrequest_counter = 0;
717
718 if (screenbuffer_init(&connections[i].screenbuffer,
719 fb_info.cols, fb_info.rows) == NULL) {
720 /* FIXME: handle error */
721 return -1;
722 }
723 }
724 connections[KERNEL_CONSOLE].used = 1;
725
726 /* Set up shared memory buffer. */
727 ib_size = sizeof(keyfield_t) * fb_info.cols * fb_info.rows;
728 interbuffer = as_get_mappable_page(ib_size);
729
730 fb_pending.n = 0;
731
732 if (as_area_create(interbuffer, ib_size, AS_AREA_READ |
733 AS_AREA_WRITE | AS_AREA_CACHEABLE) != interbuffer) {
734 interbuffer = NULL;
735 }
736
737 if (interbuffer) {
738 if (ipc_share_out_start(fb_info.phone, interbuffer,
739 AS_AREA_READ) != EOK) {
740 as_area_destroy(interbuffer);
741 interbuffer = NULL;
742 }
743 }
744
745 curs_goto(0, 0);
746 curs_visibility(
747 connections[active_console].screenbuffer.is_cursor_visible);
748
749 /* Register at NS */
750 if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, 0, &phonehash) != 0)
751 return -1;
752
753 /* Receive kernel notifications */
754 if (event_subscribe(EVENT_KCONSOLE, 0) != EOK)
755 printf(NAME ": Error registering kconsole notifications\n");
756
757 async_set_interrupt_received(interrupt_received);
758
759 // FIXME: avoid connectiong to itself, keep using klog
760 // printf(NAME ": Accepting connections\n");
761 async_manager();
762
763 return 0;
764}
765
766/** @}
767 */
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