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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
4691 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>
4343 svoboda 38
#include <kbd.h>
4691 svoboda 39
#include <io/keycode.h>
1451 cejka 40
#include <ipc/fb.h>
1445 cejka 41
#include <ipc/services.h>
42
#include <errno.h>
4691 svoboda 43
#include <keybuffer.h>
4338 svoboda 44
#include <ipc/console.h>
1453 palkovsky 45
#include <unistd.h>
46
#include <async.h>
4691 svoboda 47
#include <adt/fifo.h>
1867 jermar 48
#include <sys/mman.h>
3150 svoboda 49
#include <stdio.h>
4348 svoboda 50
#include <string.h>
4338 svoboda 51
#include <sysinfo.h>
4347 svoboda 52
#include <event.h>
4691 svoboda 53
#include <devmap.h>
54
#include <fibril_sync.h>
1445 cejka 55
 
4338 svoboda 56
#include "console.h"
1522 palkovsky 57
#include "gcons.h"
4691 svoboda 58
#include "screenbuffer.h"
1522 palkovsky 59
 
4691 svoboda 60
#define NAME  "console"
1451 cejka 61
 
4691 svoboda 62
#define MAX_DEVICE_NAME  32
1445 cejka 63
 
4348 svoboda 64
/** Phone to the keyboard driver. */
65
static int kbd_phone;
66
 
4347 svoboda 67
/** Information about framebuffer */
1487 cejka 68
struct {
4691 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 {
4691 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
 
4691 svoboda 84
/** Array of data for virtual consoles */
85
static console_t consoles[CONSOLE_COUNT];
1506 cejka 86
 
4691 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
 
4347 svoboda 95
/** Information on row-span yet unsent to FB driver. */
96
struct {
4691 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. */
4347 svoboda 100
} fb_pending;
1506 cejka 101
 
4691 svoboda 102
static FIBRIL_MUTEX_INITIALIZE(input_mutex);
103
static FIBRIL_CONDVAR_INITIALIZE(input_cv);
4347 svoboda 104
 
4337 svoboda 105
static void curs_visibility(bool visible)
1552 palkovsky 106
{
4337 svoboda 107
    async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);
1552 palkovsky 108
}
109
 
4337 svoboda 110
static void curs_hide_sync(void)
111
{
112
    ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);
113
}
114
 
4691 svoboda 115
static void curs_goto(size_t x, size_t y)
1552 palkovsky 116
{
4691 svoboda 117
    async_msg_2(fb_info.phone, FB_CURSOR_GOTO, x, y);
1552 palkovsky 118
}
119
 
4691 svoboda 120
static void screen_clear(void)
121
{
122
    async_msg_0(fb_info.phone, FB_CLEAR);
123
}
124
 
4348 svoboda 125
static void screen_yield(void)
126
{
127
    ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_YIELD);
128
}
129
 
130
static void screen_reclaim(void)
131
{
132
    ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_RECLAIM);
133
}
134
 
135
static void kbd_yield(void)
136
{
137
    ipc_call_sync_0_0(kbd_phone, KBD_YIELD);
138
}
139
 
140
static void kbd_reclaim(void)
141
{
142
    ipc_call_sync_0_0(kbd_phone, KBD_RECLAIM);
143
}
144
 
4338 svoboda 145
static void set_style(int style)
1552 palkovsky 146
{
4691 svoboda 147
    async_msg_1(fb_info.phone, FB_SET_STYLE, style);
1552 palkovsky 148
}
149
 
4338 svoboda 150
static void set_color(int fgcolor, int bgcolor, int flags)
1552 palkovsky 151
{
4338 svoboda 152
    async_msg_3(fb_info.phone, FB_SET_COLOR, fgcolor, bgcolor, flags);
1552 palkovsky 153
}
154
 
4338 svoboda 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
 
4691 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
 
4347 svoboda 189
/** Send an area of screenbuffer to the FB driver. */
4691 svoboda 190
static void fb_update_area(console_t *cons, ipcarg_t x0, ipcarg_t y0, ipcarg_t width, ipcarg_t height)
1552 palkovsky 191
{
4347 svoboda 192
    if (interbuffer) {
4691 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);
4347 svoboda 200
            }
201
        }
4691 svoboda 202
 
203
        async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
204
            x0, y0, width, height);
4347 svoboda 205
    }
1552 palkovsky 206
}
207
 
4347 svoboda 208
/** Flush pending cells to FB. */
209
static void fb_pending_flush(void)
210
{
4691 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;
4347 svoboda 215
    }
216
}
217
 
218
/** Mark a character cell as changed.
1497 cejka 219
 *
4347 svoboda 220
 * This adds the cell to the pending rowspan if possible. Otherwise
221
 * the old span is flushed first.
4691 svoboda 222
 *
2566 jermar 223
 */
4691 svoboda 224
static void cell_mark_changed(size_t col, size_t row)
4347 svoboda 225
{
4691 svoboda 226
    if (fb_pending.cnt != 0) {
227
        if ((col != fb_pending.col + fb_pending.cnt)
228
            || (row != fb_pending.row)) {
4347 svoboda 229
            fb_pending_flush();
230
        }
231
    }
4691 svoboda 232
 
233
    if (fb_pending.cnt == 0) {
234
        fb_pending.col = col;
4347 svoboda 235
        fb_pending.row = row;
236
    }
4691 svoboda 237
 
238
    fb_pending.cnt++;
4347 svoboda 239
}
240
 
241
/** Print a character to the active VC with buffering. */
4691 svoboda 242
static void fb_putchar(wchar_t c, ipcarg_t col, ipcarg_t row)
4347 svoboda 243
{
4691 svoboda 244
    async_msg_3(fb_info.phone, FB_PUTCHAR, c, col, row);
4347 svoboda 245
}
246
 
247
/** Process a character from the client (TTY emulation). */
4691 svoboda 248
static void write_char(console_t *cons, wchar_t ch)
1497 cejka 249
{
4347 svoboda 250
    bool flush_cursor = false;
251
 
4348 svoboda 252
    switch (ch) {
2025 jermar 253
    case '\n':
4347 svoboda 254
        fb_pending_flush();
255
        flush_cursor = true;
4691 svoboda 256
        cons->scr.position_y++;
257
        cons->scr.position_x = 0;
2025 jermar 258
        break;
259
    case '\r':
260
        break;
261
    case '\t':
4691 svoboda 262
        cons->scr.position_x += 8;
263
        cons->scr.position_x -= cons->scr.position_x % 8;
2025 jermar 264
        break;
265
    case '\b':
4691 svoboda 266
        if (cons->scr.position_x == 0)
1497 cejka 267
            break;
4691 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;
4691 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
    }
4691 svoboda 280
 
281
    if (cons->scr.position_x >= cons->scr.size_x) {
4347 svoboda 282
        flush_cursor = true;
4691 svoboda 283
        cons->scr.position_y++;
4347 svoboda 284
    }
1497 cejka 285
 
4691 svoboda 286
    if (cons->scr.position_y >= cons->scr.size_y) {
4347 svoboda 287
        fb_pending_flush();
4691 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
    }
4347 svoboda 295
 
4691 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 */
4691 svoboda 302
static void change_console(console_t *cons)
1552 palkovsky 303
{
4691 svoboda 304
    if (cons == active_console)
305
        return;
4337 svoboda 306
 
4347 svoboda 307
    fb_pending_flush();
4691 svoboda 308
 
309
    if (cons == kernel_console) {
1717 palkovsky 310
        async_serialize_start();
4337 svoboda 311
        curs_hide_sync();
312
        gcons_in_kernel();
4348 svoboda 313
        screen_yield();
314
        kbd_yield();
1717 palkovsky 315
        async_serialize_end();
4337 svoboda 316
 
4338 svoboda 317
        if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) {
318
            prev_console = active_console;
4691 svoboda 319
            active_console = kernel_console;
4338 svoboda 320
        } else
4691 svoboda 321
            cons = active_console;
1552 palkovsky 322
    }
1578 cejka 323
 
4691 svoboda 324
    if (cons != kernel_console) {
325
        size_t x;
326
        size_t y;
327
        int rc = 0;
328
 
4337 svoboda 329
        async_serialize_start();
330
 
4691 svoboda 331
        if (active_console == kernel_console) {
4348 svoboda 332
            screen_reclaim();
333
            kbd_reclaim();
4337 svoboda 334
            gcons_redraw_console();
4348 svoboda 335
        }
4337 svoboda 336
 
4691 svoboda 337
        active_console = cons;
338
        gcons_change_console(cons->index);
4337 svoboda 339
 
4691 svoboda 340
        set_attrs(&cons->scr.attrs);
4337 svoboda 341
        curs_visibility(false);
342
        if (interbuffer) {
4691 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);
4337 svoboda 347
                }
4347 svoboda 348
            }
4691 svoboda 349
 
4337 svoboda 350
            /* This call can preempt, but we are already at the end */
4347 svoboda 351
            rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
4691 svoboda 352
                0, 0, cons->scr.size_x,
353
                cons->scr.size_y);
4337 svoboda 354
        }
355
 
356
        if ((!interbuffer) || (rc != 0)) {
4691 svoboda 357
            set_attrs(&cons->scr.attrs);
358
            screen_clear();
4337 svoboda 359
 
4691 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))
4338 svoboda 365
                        set_attrs(&field->attrs);
4691 svoboda 366
 
367
                    cons->scr.attrs = field->attrs;
4337 svoboda 368
                    if ((field->character == ' ') &&
4691 svoboda 369
                        (attrs_same(field->attrs, cons->scr.attrs)))
4337 svoboda 370
                        continue;
4691 svoboda 371
 
372
                    fb_putchar(field->character, x, y);
4337 svoboda 373
                }
374
        }
375
 
4691 svoboda 376
        curs_goto(cons->scr.position_x, cons->scr.position_y);
377
        curs_visibility(cons->scr.is_cursor_visible);
4337 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
{
4691 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;
4343 svoboda 399
        case KBD_EVENT:
400
            /* Got event from keyboard driver. */
1453 palkovsky 401
            retval = 0;
4343 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 +
4348 svoboda 408
                CONSOLE_COUNT) && ((ev.mods & KM_CTRL) == 0)) {
4691 svoboda 409
                if (ev.key == KC_F1 + KERNEL_CONSOLE)
410
                    change_console(kernel_console);
1552 palkovsky 411
                else
4691 svoboda 412
                    change_console(&consoles[ev.key - KC_F1]);
1453 palkovsky 413
                break;
414
            }
1481 cejka 415
 
4691 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
 
4691 svoboda 428
static void cons_write(console_t *cons, ipc_callid_t rid, ipc_call_t *request)
4347 svoboda 429
{
430
    ipc_callid_t callid;
4348 svoboda 431
    size_t size;
432
    if (!ipc_data_write_receive(&callid, &size)) {
4347 svoboda 433
        ipc_answer_0(callid, EINVAL);
434
        ipc_answer_0(rid, EINVAL);
4389 svoboda 435
        return;
4347 svoboda 436
    }
4691 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
 
4389 svoboda 447
    async_serialize_start();
4691 svoboda 448
 
449
    size_t off = 0;
4348 svoboda 450
    while (off < size) {
4691 svoboda 451
        wchar_t ch = str_decode(buf, &off, size);
452
        write_char(cons, ch);
4347 svoboda 453
    }
4691 svoboda 454
 
4389 svoboda 455
    async_serialize_end();
4691 svoboda 456
 
457
    gcons_notify_char(cons->index);
4348 svoboda 458
    ipc_answer_1(rid, EOK, size);
4691 svoboda 459
 
460
    free(buf);
4347 svoboda 461
}
462
 
4691 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
{
4691 svoboda 520
    console_t *cons = NULL;
4338 svoboda 521
 
4691 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
 
4691 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();
4691 svoboda 548
    if (cons->refcount == 0)
549
        gcons_notify_connect(cons->index);
1497 cejka 550
 
4691 svoboda 551
    cons->refcount++;
552
 
1453 palkovsky 553
    /* Accept the connection */
2619 jermar 554
    ipc_answer_0(iid, EOK);
4338 svoboda 555
 
4691 svoboda 556
    while (true) {
1610 palkovsky 557
        async_serialize_end();
1453 palkovsky 558
        callid = async_get_call(&call);
1610 palkovsky 559
        async_serialize_start();
4338 svoboda 560
 
2566 jermar 561
        arg1 = 0;
562
        arg2 = 0;
4343 svoboda 563
        arg3 = 0;
4691 svoboda 564
 
1453 palkovsky 565
        switch (IPC_GET_METHOD(call)) {
566
        case IPC_M_PHONE_HUNGUP:
4691 svoboda 567
            cons->refcount--;
568
            if (cons->refcount == 0)
569
                gcons_notify_disconnect(cons->index);
1453 palkovsky 570
            return;
4691 svoboda 571
        case VFS_OUT_READ:
4389 svoboda 572
            async_serialize_end();
4691 svoboda 573
            cons_read(cons, callid, &call);
4389 svoboda 574
            async_serialize_start();
4347 svoboda 575
            continue;
4691 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 */
4691 svoboda 591
            if (cons == active_console)
592
                async_msg_0(fb_info.phone, FB_CLEAR);
1487 cejka 593
 
4691 svoboda 594
            screenbuffer_clear(&cons->scr);
1487 cejka 595
 
1476 cejka 596
            break;
597
        case CONSOLE_GOTO:
4691 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;
4691 svoboda 604
        case CONSOLE_GET_SIZE:
605
            arg1 = fb_info.cols;
606
            arg2 = fb_info.rows;
1521 cejka 607
            break;
4691 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;
4347 svoboda 613
            }
4691 svoboda 614
            arg1 = cons_ccap;
1523 cejka 615
            break;
1525 cejka 616
        case CONSOLE_SET_STYLE:
4347 svoboda 617
            fb_pending_flush();
1525 cejka 618
            arg1 = IPC_GET_ARG1(call);
4691 svoboda 619
            screenbuffer_set_style(&cons->scr, arg1);
620
            if (cons == active_console)
4338 svoboda 621
                set_style(arg1);
622
            break;
623
        case CONSOLE_SET_COLOR:
4347 svoboda 624
            fb_pending_flush();
4338 svoboda 625
            arg1 = IPC_GET_ARG1(call);
1525 cejka 626
            arg2 = IPC_GET_ARG2(call);
4338 svoboda 627
            arg3 = IPC_GET_ARG3(call);
4691 svoboda 628
            screenbuffer_set_color(&cons->scr, arg1, arg2, arg3);
629
            if (cons == active_console)
4338 svoboda 630
                set_color(arg1, arg2, arg3);
631
            break;
632
        case CONSOLE_SET_RGB_COLOR:
4347 svoboda 633
            fb_pending_flush();
4338 svoboda 634
            arg1 = IPC_GET_ARG1(call);
635
            arg2 = IPC_GET_ARG2(call);
4691 svoboda 636
            screenbuffer_set_rgb_color(&cons->scr, arg1, arg2);
637
            if (cons == active_console)
4338 svoboda 638
                set_rgb_color(arg1, arg2);
1525 cejka 639
            break;
1575 cejka 640
        case CONSOLE_CURSOR_VISIBILITY:
4347 svoboda 641
            fb_pending_flush();
1575 cejka 642
            arg1 = IPC_GET_ARG1(call);
4691 svoboda 643
            cons->scr.is_cursor_visible = arg1;
644
            if (cons == active_console)
1575 cejka 645
                curs_visibility(arg1);
646
            break;
4691 svoboda 647
        case CONSOLE_GET_EVENT:
648
            async_serialize_end();
649
            cons_get_event(cons, callid, &call);
650
            async_serialize_start();
651
            continue;
4347 svoboda 652
        case CONSOLE_KCON_ENABLE:
4691 svoboda 653
            change_console(kernel_console);
4347 svoboda 654
            break;
1453 palkovsky 655
        }
4691 svoboda 656
        ipc_answer_3(callid, EOK, arg1, arg2, arg3);
1453 palkovsky 657
    }
658
}
659
 
4338 svoboda 660
static void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
661
{
662
    change_console(prev_console);
663
}
664
 
4691 svoboda 665
static bool console_init(void)
1453 palkovsky 666
{
4691 svoboda 667
    ipcarg_t color_cap;
668
 
1445 cejka 669
    /* Connect to keyboard driver */
4345 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");
4691 svoboda 673
        return false;
2025 jermar 674
    }
1445 cejka 675
 
4691 svoboda 676
    ipcarg_t phonehash;
4345 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");
4691 svoboda 679
        return false;
4345 svoboda 680
    }
681
 
1689 palkovsky 682
    async_new_connection(phonehash, 0, NULL, keyboard_events);
4691 svoboda 683
 
1445 cejka 684
    /* Connect to framebuffer driver */
4345 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
 
4691 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
    }
4341 svoboda 697
 
1522 palkovsky 698
    /* Initialize gcons */
699
    gcons_init(fb_info.phone);
4691 svoboda 700
 
701
    /* Synchronize, the gcons could put something in queue */
2621 jermar 702
    async_req_0_0(fb_info.phone, FB_FLUSH);
4691 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
 
4339 svoboda 707
    /* Set up shared memory buffer. */
4691 svoboda 708
    size_t ib_size = sizeof(keyfield_t) * fb_info.cols * fb_info.rows;
4339 svoboda 709
    interbuffer = as_get_mappable_page(ib_size);
4691 svoboda 710
 
4339 svoboda 711
    if (as_area_create(interbuffer, ib_size, AS_AREA_READ |
4691 svoboda 712
        AS_AREA_WRITE | AS_AREA_CACHEABLE) != interbuffer)
4339 svoboda 713
        interbuffer = NULL;
4691 svoboda 714
 
4339 svoboda 715
    if (interbuffer) {
2678 jermar 716
        if (ipc_share_out_start(fb_info.phone, interbuffer,
2677 jermar 717
            AS_AREA_READ) != EOK) {
4339 svoboda 718
            as_area_destroy(interbuffer);
1512 cejka 719
            interbuffer = NULL;
720
        }
721
    }
4338 svoboda 722
 
4691 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);
4691 svoboda 759
    curs_visibility(active_console->scr.is_cursor_visible);
760
    async_serialize_end();
4338 svoboda 761
 
762
    /* Receive kernel notifications */
4347 svoboda 763
    if (event_subscribe(EVENT_KCONSOLE, 0) != EOK)
764
        printf(NAME ": Error registering kconsole notifications\n");
4691 svoboda 765
 
4347 svoboda 766
    async_set_interrupt_received(interrupt_received);
4338 svoboda 767
 
4691 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();
4338 svoboda 780
 
781
    return 0;
1445 cejka 782
}
4341 svoboda 783
 
1649 cejka 784
/** @}
785
 */