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1445 cejka 1
/*
2071 jermar 2
 * Copyright (c) 2006 Josef Cejka
1445 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
 */
1649 cejka 28
 
1740 jermar 29
/** @addtogroup console
4692 svoboda 30
 * @{
1649 cejka 31
 */
32
/** @file
33
 */
34
 
2618 jermar 35
#include <libc.h>
1451 cejka 36
#include <fb.h>
1445 cejka 37
#include <ipc/ipc.h>
4377 svoboda 38
#include <kbd.h>
4692 svoboda 39
#include <io/keycode.h>
1451 cejka 40
#include <ipc/fb.h>
1445 cejka 41
#include <ipc/services.h>
42
#include <errno.h>
4692 svoboda 43
#include <keybuffer.h>
4377 svoboda 44
#include <ipc/console.h>
1453 palkovsky 45
#include <unistd.h>
46
#include <async.h>
4692 svoboda 47
#include <adt/fifo.h>
1867 jermar 48
#include <sys/mman.h>
3424 svoboda 49
#include <stdio.h>
4377 svoboda 50
#include <string.h>
51
#include <sysinfo.h>
52
#include <event.h>
4692 svoboda 53
#include <devmap.h>
54
#include <fibril_sync.h>
1445 cejka 55
 
4377 svoboda 56
#include "console.h"
1522 palkovsky 57
#include "gcons.h"
4692 svoboda 58
#include "screenbuffer.h"
1522 palkovsky 59
 
4692 svoboda 60
#define NAME  "console"
1451 cejka 61
 
4692 svoboda 62
#define MAX_DEVICE_NAME  32
1445 cejka 63
 
4377 svoboda 64
/** Phone to the keyboard driver. */
65
static int kbd_phone;
66
 
67
/** Information about framebuffer */
1487 cejka 68
struct {
4692 svoboda 69
	int phone;      /**< Framebuffer phone */
70
	ipcarg_t cols;  /**< Framebuffer columns */
71
	ipcarg_t rows;  /**< Framebuffer rows */
72
	int color_cap;	/**< Color capabilities (FB_CCAP_xxx) */
1487 cejka 73
} fb_info;
74
 
1451 cejka 75
typedef struct {
4692 svoboda 76
	size_t index;             /**< Console index */
77
	size_t refcount;          /**< Connection reference count */
78
	dev_handle_t dev_handle;  /**< Device handle */
79
	keybuffer_t keybuffer;    /**< Buffer for incoming keys. */
80
	screenbuffer_t scr;       /**< Screenbuffer for saving screen
81
	                               contents and related settings. */
82
} console_t;
1451 cejka 83
 
4692 svoboda 84
/** Array of data for virtual consoles */
85
static console_t consoles[CONSOLE_COUNT];
1506 cejka 86
 
4692 svoboda 87
static console_t *active_console = &consoles[0];
88
static console_t *prev_console = &consoles[0];
89
static console_t *kernel_console = &consoles[KERNEL_CONSOLE];
90
 
91
/** Pointer to memory shared with framebufer used for
92
    faster virtual console switching */
93
static keyfield_t *interbuffer = NULL;
94
 
4377 svoboda 95
/** Information on row-span yet unsent to FB driver. */
96
struct {
4692 svoboda 97
	size_t col;  /**< Leftmost column of the span. */
98
	size_t row;  /**< Row where the span lies. */
99
	size_t cnt;  /**< Width of the span. */
4377 svoboda 100
} fb_pending;
1506 cejka 101
 
4692 svoboda 102
static FIBRIL_MUTEX_INITIALIZE(input_mutex);
103
static FIBRIL_CONDVAR_INITIALIZE(input_cv);
1552 palkovsky 104
 
4377 svoboda 105
static void curs_visibility(bool visible)
1552 palkovsky 106
{
4377 svoboda 107
	async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible); 
1552 palkovsky 108
}
109
 
4377 svoboda 110
static void curs_hide_sync(void)
111
{
112
	ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false); 
113
}
114
 
4692 svoboda 115
static void curs_goto(size_t x, size_t y)
1552 palkovsky 116
{
4692 svoboda 117
	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, x, y);
1552 palkovsky 118
}
119
 
4692 svoboda 120
static void screen_clear(void)
121
{
122
	async_msg_0(fb_info.phone, FB_CLEAR);
123
}
124
 
4377 svoboda 125
static void screen_yield(void)
1552 palkovsky 126
{
4377 svoboda 127
	ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_YIELD);
1552 palkovsky 128
}
129
 
4377 svoboda 130
static void screen_reclaim(void)
1552 palkovsky 131
{
4377 svoboda 132
	ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_RECLAIM);
1552 palkovsky 133
}
134
 
4377 svoboda 135
static void kbd_yield(void)
1552 palkovsky 136
{
4377 svoboda 137
	ipc_call_sync_0_0(kbd_phone, KBD_YIELD);
1552 palkovsky 138
}
139
 
4377 svoboda 140
static void kbd_reclaim(void)
141
{
142
	ipc_call_sync_0_0(kbd_phone, KBD_RECLAIM);
143
}
144
 
145
static void set_style(int style)
146
{
4692 svoboda 147
	async_msg_1(fb_info.phone, FB_SET_STYLE, style);
4377 svoboda 148
}
149
 
150
static void set_color(int fgcolor, int bgcolor, int flags)
151
{
152
	async_msg_3(fb_info.phone, FB_SET_COLOR, fgcolor, bgcolor, flags);
153
}
154
 
155
static void set_rgb_color(int fgcolor, int bgcolor)
156
{
157
	async_msg_2(fb_info.phone, FB_SET_RGB_COLOR, fgcolor, bgcolor); 
158
}
159
 
160
static void set_attrs(attrs_t *attrs)
161
{
162
	switch (attrs->t) {
163
	case at_style:
164
		set_style(attrs->a.s.style);
165
		break;
166
	case at_idx:
167
		set_color(attrs->a.i.fg_color, attrs->a.i.bg_color,
168
		    attrs->a.i.flags);
169
		break;
170
	case at_rgb:
171
		set_rgb_color(attrs->a.r.fg_color, attrs->a.r.bg_color);
172
		break;
173
	}
174
}
175
 
4692 svoboda 176
static int ccap_fb_to_con(int ccap_fb, int *ccap_con)
177
{
178
	switch (ccap_fb) {
179
	case FB_CCAP_NONE: *ccap_con = CONSOLE_CCAP_NONE; break;
180
	case FB_CCAP_STYLE: *ccap_con = CONSOLE_CCAP_STYLE; break;
181
	case FB_CCAP_INDEXED: *ccap_con = CONSOLE_CCAP_INDEXED; break;
182
	case FB_CCAP_RGB: *ccap_con = CONSOLE_CCAP_RGB; break;
183
	default: return EINVAL;
184
	}
185
 
186
	return EOK;
187
}
188
 
4377 svoboda 189
/** Send an area of screenbuffer to the FB driver. */
4692 svoboda 190
static void fb_update_area(console_t *cons, ipcarg_t x0, ipcarg_t y0, ipcarg_t width, ipcarg_t height)
4377 svoboda 191
{
192
	if (interbuffer) {
4692 svoboda 193
		ipcarg_t x;
194
		ipcarg_t y;
195
 
196
		for (y = 0; y < height; y++) {
197
			for (x = 0; x < width; x++) {
198
				interbuffer[y * width + x] =
199
				    *get_field_at(&cons->scr, x0 + x, y0 + y);
4377 svoboda 200
			}
201
		}
4692 svoboda 202
 
203
		async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
204
		    x0, y0, width, height);
4377 svoboda 205
	}
206
}
207
 
208
/** Flush pending cells to FB. */
209
static void fb_pending_flush(void)
210
{
4692 svoboda 211
	if (fb_pending.cnt > 0) {
212
		fb_update_area(active_console, fb_pending.col,
213
		    fb_pending.row, fb_pending.cnt, 1);
214
		fb_pending.cnt = 0;
4377 svoboda 215
	}
216
}
217
 
218
/** Mark a character cell as changed.
1497 cejka 219
 *
4377 svoboda 220
 * This adds the cell to the pending rowspan if possible. Otherwise
221
 * the old span is flushed first.
4692 svoboda 222
 *
2566 jermar 223
 */
4692 svoboda 224
static void cell_mark_changed(size_t col, size_t row)
1497 cejka 225
{
4692 svoboda 226
	if (fb_pending.cnt != 0) {
227
		if ((col != fb_pending.col + fb_pending.cnt)
228
		    || (row != fb_pending.row)) {
4377 svoboda 229
			fb_pending_flush();
230
		}
231
	}
4692 svoboda 232
 
233
	if (fb_pending.cnt == 0) {
234
		fb_pending.col = col;
4377 svoboda 235
		fb_pending.row = row;
236
	}
4692 svoboda 237
 
238
	fb_pending.cnt++;
4377 svoboda 239
}
240
 
241
/** Print a character to the active VC with buffering. */
4692 svoboda 242
static void fb_putchar(wchar_t c, ipcarg_t col, ipcarg_t row)
4377 svoboda 243
{
4692 svoboda 244
	async_msg_3(fb_info.phone, FB_PUTCHAR, c, col, row);
4377 svoboda 245
}
246
 
247
/** Process a character from the client (TTY emulation). */
4692 svoboda 248
static void write_char(console_t *cons, wchar_t ch)
4377 svoboda 249
{
250
	bool flush_cursor = false;
251
 
252
	switch (ch) {
2025 jermar 253
	case '\n':
4377 svoboda 254
		fb_pending_flush();
255
		flush_cursor = true;
4692 svoboda 256
		cons->scr.position_y++;
257
		cons->scr.position_x = 0;
2025 jermar 258
		break;
259
	case '\r':
260
		break;
261
	case '\t':
4692 svoboda 262
		cons->scr.position_x += 8;
263
		cons->scr.position_x -= cons->scr.position_x % 8;
2025 jermar 264
		break;
265
	case '\b':
4692 svoboda 266
		if (cons->scr.position_x == 0)
1497 cejka 267
			break;
4692 svoboda 268
		cons->scr.position_x--;
269
		if (cons == active_console)
270
			cell_mark_changed(cons->scr.position_x, cons->scr.position_y);
271
		screenbuffer_putchar(&cons->scr, ' ');
2025 jermar 272
		break;
4692 svoboda 273
	default:
274
		if (cons == active_console)
275
			cell_mark_changed(cons->scr.position_x, cons->scr.position_y);
276
 
277
		screenbuffer_putchar(&cons->scr, ch);
278
		cons->scr.position_x++;
1497 cejka 279
	}
4692 svoboda 280
 
281
	if (cons->scr.position_x >= cons->scr.size_x) {
4377 svoboda 282
		flush_cursor = true;
4692 svoboda 283
		cons->scr.position_y++;
4377 svoboda 284
	}
1497 cejka 285
 
4692 svoboda 286
	if (cons->scr.position_y >= cons->scr.size_y) {
4377 svoboda 287
		fb_pending_flush();
4692 svoboda 288
		cons->scr.position_y = cons->scr.size_y - 1;
289
		screenbuffer_clear_line(&cons->scr, cons->scr.top_line);
290
		cons->scr.top_line = (cons->scr.top_line + 1) % cons->scr.size_y;
291
 
292
		if (cons == active_console)
2621 jermar 293
			async_msg_1(fb_info.phone, FB_SCROLL, 1);
1497 cejka 294
	}
4377 svoboda 295
 
4692 svoboda 296
	if (cons == active_console && flush_cursor)
297
		curs_goto(cons->scr.position_x, cons->scr.position_y);
298
	cons->scr.position_x = cons->scr.position_x % cons->scr.size_x;
1497 cejka 299
}
300
 
1552 palkovsky 301
/** Switch to new console */
4692 svoboda 302
static void change_console(console_t *cons)
1552 palkovsky 303
{
4692 svoboda 304
	if (cons == active_console)
305
		return;
4377 svoboda 306
 
307
	fb_pending_flush();
4692 svoboda 308
 
309
	if (cons == kernel_console) {
1717 palkovsky 310
		async_serialize_start();
4377 svoboda 311
		curs_hide_sync();
312
		gcons_in_kernel();
313
		screen_yield();
314
		kbd_yield();
1717 palkovsky 315
		async_serialize_end();
4377 svoboda 316
 
317
		if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) {
318
			prev_console = active_console;
4692 svoboda 319
			active_console = kernel_console;
4377 svoboda 320
		} else
4692 svoboda 321
			cons = active_console;
4377 svoboda 322
	}
1552 palkovsky 323
 
4692 svoboda 324
	if (cons != kernel_console) {
325
		size_t x;
326
		size_t y;
327
		int rc = 0;
328
 
4377 svoboda 329
		async_serialize_start();
330
 
4692 svoboda 331
		if (active_console == kernel_console) {
4377 svoboda 332
			screen_reclaim();
333
			kbd_reclaim();
334
			gcons_redraw_console();
335
		}
336
 
4692 svoboda 337
		active_console = cons;
338
		gcons_change_console(cons->index);
4377 svoboda 339
 
4692 svoboda 340
		set_attrs(&cons->scr.attrs);
4377 svoboda 341
		curs_visibility(false);
342
		if (interbuffer) {
4692 svoboda 343
			for (y = 0; y < cons->scr.size_y; y++) {
344
				for (x = 0; x < cons->scr.size_x; x++) {
345
					interbuffer[y * cons->scr.size_x + x] =
346
					    *get_field_at(&cons->scr, x, y);
4377 svoboda 347
				}
2539 jermar 348
			}
4692 svoboda 349
 
4377 svoboda 350
			/* This call can preempt, but we are already at the end */
351
			rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
4692 svoboda 352
			    0, 0, cons->scr.size_x,
353
			    cons->scr.size_y);
4377 svoboda 354
		}
355
 
356
		if ((!interbuffer) || (rc != 0)) {
4692 svoboda 357
			set_attrs(&cons->scr.attrs);
358
			screen_clear();
4377 svoboda 359
 
4692 svoboda 360
			for (y = 0; y < cons->scr.size_y; y++)
361
				for (x = 0; x < cons->scr.size_x; x++) {
362
					keyfield_t *field = get_field_at(&cons->scr, x, y);
363
 
364
					if (!attrs_same(cons->scr.attrs, field->attrs))
4377 svoboda 365
						set_attrs(&field->attrs);
4692 svoboda 366
 
367
					cons->scr.attrs = field->attrs;
4377 svoboda 368
					if ((field->character == ' ') &&
4692 svoboda 369
					    (attrs_same(field->attrs, cons->scr.attrs)))
4377 svoboda 370
						continue;
4692 svoboda 371
 
372
					fb_putchar(field->character, x, y);
4377 svoboda 373
				}
374
		}
375
 
4692 svoboda 376
		curs_goto(cons->scr.position_x, cons->scr.position_y);
377
		curs_visibility(cons->scr.is_cursor_visible);
4377 svoboda 378
 
379
		async_serialize_end();
1552 palkovsky 380
	}
381
}
382
 
1526 cejka 383
/** Handler for keyboard */
1453 palkovsky 384
static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
1445 cejka 385
{
4692 svoboda 386
	/* Ignore parameters, the connection is already opened */
387
	while (true) {
388
 
389
		ipc_call_t call;
390
		ipc_callid_t callid = async_get_call(&call);
391
 
392
		int retval;
393
		console_event_t ev;
394
 
1453 palkovsky 395
		switch (IPC_GET_METHOD(call)) {
396
		case IPC_M_PHONE_HUNGUP:
397
			/* TODO: Handle hangup */
398
			return;
4377 svoboda 399
		case KBD_EVENT:
400
			/* Got event from keyboard driver. */
1453 palkovsky 401
			retval = 0;
4377 svoboda 402
			ev.type = IPC_GET_ARG1(call);
403
			ev.key = IPC_GET_ARG2(call);
404
			ev.mods = IPC_GET_ARG3(call);
405
			ev.c = IPC_GET_ARG4(call);
406
 
407
			if ((ev.key >= KC_F1) && (ev.key < KC_F1 +
408
			    CONSOLE_COUNT) && ((ev.mods & KM_CTRL) == 0)) {
4692 svoboda 409
				if (ev.key == KC_F1 + KERNEL_CONSOLE)
410
					change_console(kernel_console);
1552 palkovsky 411
				else
4692 svoboda 412
					change_console(&consoles[ev.key - KC_F1]);
1453 palkovsky 413
				break;
414
			}
1481 cejka 415
 
4692 svoboda 416
			fibril_mutex_lock(&input_mutex);
417
			keybuffer_push(&active_console->keybuffer, &ev);
418
			fibril_condvar_broadcast(&input_cv);
419
			fibril_mutex_unlock(&input_mutex);
1453 palkovsky 420
			break;
421
		default:
1459 palkovsky 422
			retval = ENOENT;
1610 palkovsky 423
		}
2619 jermar 424
		ipc_answer_0(callid, retval);
1453 palkovsky 425
	}
426
}
427
 
4692 svoboda 428
static void cons_write(console_t *cons, ipc_callid_t rid, ipc_call_t *request)
4377 svoboda 429
{
430
	ipc_callid_t callid;
431
	size_t size;
432
	if (!ipc_data_write_receive(&callid, &size)) {
433
		ipc_answer_0(callid, EINVAL);
434
		ipc_answer_0(rid, EINVAL);
435
		return;
436
	}
4692 svoboda 437
 
438
	char *buf = (char *) malloc(size);
439
	if (buf == NULL) {
440
		ipc_answer_0(callid, ENOMEM);
441
		ipc_answer_0(rid, ENOMEM);
442
		return;
443
	}
444
 
445
	(void) ipc_data_write_finalize(callid, buf, size);
446
 
4377 svoboda 447
	async_serialize_start();
4692 svoboda 448
 
449
	size_t off = 0;
4377 svoboda 450
	while (off < size) {
4692 svoboda 451
		wchar_t ch = str_decode(buf, &off, size);
452
		write_char(cons, ch);
4377 svoboda 453
	}
4692 svoboda 454
 
4377 svoboda 455
	async_serialize_end();
4692 svoboda 456
 
457
	gcons_notify_char(cons->index);
4377 svoboda 458
	ipc_answer_1(rid, EOK, size);
4692 svoboda 459
 
460
	free(buf);
4377 svoboda 461
}
462
 
4692 svoboda 463
static void cons_read(console_t *cons, ipc_callid_t rid, ipc_call_t *request)
464
{
465
	ipc_callid_t callid;
466
	size_t size;
467
	if (!ipc_data_read_receive(&callid, &size)) {
468
		ipc_answer_0(callid, EINVAL);
469
		ipc_answer_0(rid, EINVAL);
470
		return;
471
	}
472
 
473
	char *buf = (char *) malloc(size);
474
	if (buf == NULL) {
475
		ipc_answer_0(callid, ENOMEM);
476
		ipc_answer_0(rid, ENOMEM);
477
		return;
478
	}
479
 
480
	size_t pos = 0;
481
	console_event_t ev;
482
	fibril_mutex_lock(&input_mutex);
483
recheck:
484
	while ((keybuffer_pop(&cons->keybuffer, &ev)) && (pos < size)) {
485
		if (ev.type == KEY_PRESS) {
486
			buf[pos] = ev.c;
487
			pos++;
488
		}
489
	}
490
 
491
	if (pos == size) {
492
		(void) ipc_data_read_finalize(callid, buf, size);
493
		ipc_answer_1(rid, EOK, size);
494
		free(buf);
495
	} else {
496
		fibril_condvar_wait(&input_cv, &input_mutex);
497
		goto recheck;
498
	}
499
	fibril_mutex_unlock(&input_mutex);
500
}
501
 
502
static void cons_get_event(console_t *cons, ipc_callid_t rid, ipc_call_t *request)
503
{
504
	console_event_t ev;
505
 
506
	fibril_mutex_lock(&input_mutex);
507
recheck:
508
	if (keybuffer_pop(&cons->keybuffer, &ev)) {
509
		ipc_answer_4(rid, EOK, ev.type, ev.key, ev.mods, ev.c);
510
	} else {
511
		fibril_condvar_wait(&input_cv, &input_mutex);
512
		goto recheck;
513
	}
514
	fibril_mutex_unlock(&input_mutex);
515
}
516
 
1453 palkovsky 517
/** Default thread for new connections */
1518 palkovsky 518
static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
1453 palkovsky 519
{
4692 svoboda 520
	console_t *cons = NULL;
4377 svoboda 521
 
4692 svoboda 522
	size_t i;
523
	for (i = 0; i < CONSOLE_COUNT; i++) {
524
		if (i == KERNEL_CONSOLE)
525
			continue;
526
 
527
		if (consoles[i].dev_handle == (dev_handle_t) IPC_GET_ARG1(*icall)) {
528
			cons = &consoles[i];
529
			break;
530
		}
531
	}
532
 
533
	if (cons == NULL) {
534
		ipc_answer_0(iid, ENOENT);
1453 palkovsky 535
		return;
536
	}
1555 palkovsky 537
 
4692 svoboda 538
	ipc_callid_t callid;
539
	ipc_call_t call;
540
	ipcarg_t arg1;
541
	ipcarg_t arg2;
542
	ipcarg_t arg3;
543
 
544
	int cons_ccap;
545
	int rc;
546
 
1610 palkovsky 547
	async_serialize_start();
4692 svoboda 548
	if (cons->refcount == 0)
549
		gcons_notify_connect(cons->index);
1497 cejka 550
 
4692 svoboda 551
	cons->refcount++;
552
 
1453 palkovsky 553
	/* Accept the connection */
2619 jermar 554
	ipc_answer_0(iid, EOK);
4377 svoboda 555
 
4692 svoboda 556
	while (true) {
1610 palkovsky 557
		async_serialize_end();
1453 palkovsky 558
		callid = async_get_call(&call);
1610 palkovsky 559
		async_serialize_start();
4377 svoboda 560
 
2566 jermar 561
		arg1 = 0;
562
		arg2 = 0;
4377 svoboda 563
		arg3 = 0;
4692 svoboda 564
 
1453 palkovsky 565
		switch (IPC_GET_METHOD(call)) {
566
		case IPC_M_PHONE_HUNGUP:
4692 svoboda 567
			cons->refcount--;
568
			if (cons->refcount == 0)
569
				gcons_notify_disconnect(cons->index);
1453 palkovsky 570
			return;
4692 svoboda 571
		case VFS_OUT_READ:
4377 svoboda 572
			async_serialize_end();
4692 svoboda 573
			cons_read(cons, callid, &call);
4377 svoboda 574
			async_serialize_start();
575
			continue;
4692 svoboda 576
		case VFS_OUT_WRITE:
577
			async_serialize_end();
578
			cons_write(cons, callid, &call);
579
			async_serialize_start();
580
			continue;
581
		case VFS_OUT_SYNC:
582
			fb_pending_flush();
583
			if (cons == active_console) {
584
				async_req_0_0(fb_info.phone, FB_FLUSH);
585
 
586
				curs_goto(cons->scr.position_x, cons->scr.position_y);
587
			}
588
			break;
1476 cejka 589
		case CONSOLE_CLEAR:
1487 cejka 590
			/* Send message to fb */
4692 svoboda 591
			if (cons == active_console)
592
				async_msg_0(fb_info.phone, FB_CLEAR);
1487 cejka 593
 
4692 svoboda 594
			screenbuffer_clear(&cons->scr);
1487 cejka 595
 
1476 cejka 596
			break;
597
		case CONSOLE_GOTO:
4692 svoboda 598
			screenbuffer_goto(&cons->scr,
599
			    IPC_GET_ARG1(call), IPC_GET_ARG2(call));
600
			if (cons == active_console)
2025 jermar 601
				curs_goto(IPC_GET_ARG1(call),
2539 jermar 602
				    IPC_GET_ARG2(call));
1476 cejka 603
			break;
4692 svoboda 604
		case CONSOLE_GET_SIZE:
605
			arg1 = fb_info.cols;
606
			arg2 = fb_info.rows;
1521 cejka 607
			break;
4692 svoboda 608
		case CONSOLE_GET_COLOR_CAP:
609
			rc = ccap_fb_to_con(fb_info.color_cap, &cons_ccap);
610
			if (rc != EOK) {
611
				ipc_answer_0(callid, rc);
612
				continue;
4377 svoboda 613
			}
4692 svoboda 614
			arg1 = cons_ccap;
1523 cejka 615
			break;
1525 cejka 616
		case CONSOLE_SET_STYLE:
4377 svoboda 617
			fb_pending_flush();
1525 cejka 618
			arg1 = IPC_GET_ARG1(call);
4692 svoboda 619
			screenbuffer_set_style(&cons->scr, arg1);
620
			if (cons == active_console)
4377 svoboda 621
				set_style(arg1);
622
			break;
623
		case CONSOLE_SET_COLOR:
624
			fb_pending_flush();
625
			arg1 = IPC_GET_ARG1(call);
1525 cejka 626
			arg2 = IPC_GET_ARG2(call);
4377 svoboda 627
			arg3 = IPC_GET_ARG3(call);
4692 svoboda 628
			screenbuffer_set_color(&cons->scr, arg1, arg2, arg3);
629
			if (cons == active_console)
4377 svoboda 630
				set_color(arg1, arg2, arg3);
631
			break;
632
		case CONSOLE_SET_RGB_COLOR:
633
			fb_pending_flush();
634
			arg1 = IPC_GET_ARG1(call);
635
			arg2 = IPC_GET_ARG2(call);
4692 svoboda 636
			screenbuffer_set_rgb_color(&cons->scr, arg1, arg2);
637
			if (cons == active_console)
4377 svoboda 638
				set_rgb_color(arg1, arg2);
1525 cejka 639
			break;
1575 cejka 640
		case CONSOLE_CURSOR_VISIBILITY:
4377 svoboda 641
			fb_pending_flush();
1575 cejka 642
			arg1 = IPC_GET_ARG1(call);
4692 svoboda 643
			cons->scr.is_cursor_visible = arg1;
644
			if (cons == active_console)
1575 cejka 645
				curs_visibility(arg1);
646
			break;
4692 svoboda 647
		case CONSOLE_GET_EVENT:
648
			async_serialize_end();
649
			cons_get_event(cons, callid, &call);
650
			async_serialize_start();
651
			continue;
4377 svoboda 652
		case CONSOLE_KCON_ENABLE:
4692 svoboda 653
			change_console(kernel_console);
4377 svoboda 654
			break;
1453 palkovsky 655
		}
4692 svoboda 656
		ipc_answer_3(callid, EOK, arg1, arg2, arg3);
1453 palkovsky 657
	}
658
}
659
 
4377 svoboda 660
static void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
661
{
662
	change_console(prev_console);
663
}
664
 
4692 svoboda 665
static bool console_init(void)
1453 palkovsky 666
{
4692 svoboda 667
	ipcarg_t color_cap;
668
 
1445 cejka 669
	/* Connect to keyboard driver */
4377 svoboda 670
	kbd_phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
671
	if (kbd_phone < 0) {
672
		printf(NAME ": Failed to connect to keyboard service\n");
4692 svoboda 673
		return false;
2025 jermar 674
	}
1445 cejka 675
 
4692 svoboda 676
	ipcarg_t phonehash;
4377 svoboda 677
	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0) {
678
		printf(NAME ": Failed to create callback from keyboard service\n");
4692 svoboda 679
		return false;
4377 svoboda 680
	}
681
 
1689 palkovsky 682
	async_new_connection(phonehash, 0, NULL, keyboard_events);
4692 svoboda 683
 
1445 cejka 684
	/* Connect to framebuffer driver */
4377 svoboda 685
	fb_info.phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_VIDEO, 0, 0);
686
	if (fb_info.phone < 0) {
687
		printf(NAME ": Failed to connect to video service\n");
688
		return -1;
1487 cejka 689
	}
1552 palkovsky 690
 
4692 svoboda 691
	/* Register driver */
692
	int rc = devmap_driver_register(NAME, client_connection);
693
	if (rc < 0) {
694
		printf(NAME ": Unable to register driver (%d)\n", rc);
695
		return false;
696
	}
4377 svoboda 697
 
1522 palkovsky 698
	/* Initialize gcons */
699
	gcons_init(fb_info.phone);
4692 svoboda 700
 
701
	/* Synchronize, the gcons could put something in queue */
2621 jermar 702
	async_req_0_0(fb_info.phone, FB_FLUSH);
4692 svoboda 703
	async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.cols, &fb_info.rows);
704
	async_req_0_1(fb_info.phone, FB_GET_COLOR_CAP, &color_cap);
705
	fb_info.color_cap = color_cap;
1487 cejka 706
 
4377 svoboda 707
	/* Set up shared memory buffer. */
4692 svoboda 708
	size_t ib_size = sizeof(keyfield_t) * fb_info.cols * fb_info.rows;
4377 svoboda 709
	interbuffer = as_get_mappable_page(ib_size);
4692 svoboda 710
 
4377 svoboda 711
	if (as_area_create(interbuffer, ib_size, AS_AREA_READ |
4692 svoboda 712
	    AS_AREA_WRITE | AS_AREA_CACHEABLE) != interbuffer)
4377 svoboda 713
		interbuffer = NULL;
4692 svoboda 714
 
4377 svoboda 715
	if (interbuffer) {
2678 jermar 716
		if (ipc_share_out_start(fb_info.phone, interbuffer,
2677 jermar 717
		    AS_AREA_READ) != EOK) {
4377 svoboda 718
			as_area_destroy(interbuffer);
1512 cejka 719
			interbuffer = NULL;
720
		}
721
	}
4377 svoboda 722
 
4692 svoboda 723
	fb_pending.cnt = 0;
724
 
725
	/* Inititalize consoles */
726
	size_t i;
727
	for (i = 0; i < CONSOLE_COUNT; i++) {
728
		if (i != KERNEL_CONSOLE) {
729
			if (screenbuffer_init(&consoles[i].scr,
730
			    fb_info.cols, fb_info.rows) == NULL) {
731
				printf(NAME ": Unable to allocate screen buffer %u\n", i);
732
				return false;
733
			}
734
			screenbuffer_clear(&consoles[i].scr);
735
			keybuffer_init(&consoles[i].keybuffer);
736
			consoles[i].index = i;
737
			consoles[i].refcount = 0;
738
 
739
			char vc[MAX_DEVICE_NAME];
740
			snprintf(vc, MAX_DEVICE_NAME, "vc%u", i);
741
 
742
			if (devmap_device_register(vc, &consoles[i].dev_handle) != EOK) {
743
				devmap_hangup_phone(DEVMAP_DRIVER);
744
				printf(NAME ": Unable to register device %s\n", vc);
745
				return false;
746
			}
747
		}
748
	}
749
 
750
	/* Disable kernel output to the console */
751
	__SYSCALL0(SYS_DEBUG_DISABLE_CONSOLE);
752
 
753
	/* Initialize the screen */
754
	async_serialize_start();
755
	gcons_redraw_console();
756
	set_rgb_color(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
757
	screen_clear();
2069 jermar 758
	curs_goto(0, 0);
4692 svoboda 759
	curs_visibility(active_console->scr.is_cursor_visible);
760
	async_serialize_end();
4377 svoboda 761
 
762
	/* Receive kernel notifications */
763
	if (event_subscribe(EVENT_KCONSOLE, 0) != EOK)
764
		printf(NAME ": Error registering kconsole notifications\n");
4692 svoboda 765
 
4377 svoboda 766
	async_set_interrupt_received(interrupt_received);
767
 
4692 svoboda 768
	return true;
769
}
770
 
771
int main(int argc, char *argv[])
772
{
773
	printf(NAME ": HelenOS Console service\n");
774
 
775
	if (!console_init())
776
		return -1;
777
 
778
	printf(NAME ": Accepting connections\n");
1453 palkovsky 779
	async_manager();
4377 svoboda 780
 
781
	return 0;
782
}
1451 cejka 783
 
1649 cejka 784
/** @}
785
 */