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4419 trochtova 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
4439 trochtova 30
 * @{
4419 trochtova 31
 */
32
/** @file
33
 */
34
 
35
#include <libc.h>
36
#include <fb.h>
37
#include <ipc/ipc.h>
38
#include <kbd.h>
4537 trochtova 39
#include <io/keycode.h>
4419 trochtova 40
#include <ipc/fb.h>
41
#include <ipc/services.h>
42
#include <errno.h>
4537 trochtova 43
#include <keybuffer.h>
4419 trochtova 44
#include <ipc/console.h>
45
#include <unistd.h>
46
#include <async.h>
4537 trochtova 47
#include <adt/fifo.h>
4419 trochtova 48
#include <sys/mman.h>
49
#include <stdio.h>
50
#include <string.h>
51
#include <sysinfo.h>
52
#include <event.h>
4537 trochtova 53
#include <devmap.h>
4668 trochtova 54
#include <fibril_sync.h>
4419 trochtova 55
 
56
#include "console.h"
57
#include "gcons.h"
4537 trochtova 58
#include "screenbuffer.h"
4419 trochtova 59
 
4439 trochtova 60
#define NAME  "console"
4419 trochtova 61
 
4537 trochtova 62
#define MAX_DEVICE_NAME  32
4419 trochtova 63
 
4420 trochtova 64
/** Phone to the keyboard driver. */
65
static int kbd_phone;
66
 
4419 trochtova 67
/** Information about framebuffer */
68
struct {
4439 trochtova 69
    int phone;      /**< Framebuffer phone */
4537 trochtova 70
    ipcarg_t cols;  /**< Framebuffer columns */
4439 trochtova 71
    ipcarg_t rows;  /**< Framebuffer rows */
4668 trochtova 72
    int color_cap;  /**< Color capabilities (FB_CCAP_xxx) */
4419 trochtova 73
} fb_info;
74
 
75
typedef struct {
4537 trochtova 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;
4419 trochtova 83
 
4439 trochtova 84
/** Array of data for virtual consoles */
4537 trochtova 85
static console_t consoles[CONSOLE_COUNT];
4419 trochtova 86
 
4537 trochtova 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
 
4439 trochtova 91
/** Pointer to memory shared with framebufer used for
92
    faster virtual console switching */
93
static keyfield_t *interbuffer = NULL;
94
 
4419 trochtova 95
/** Information on row-span yet unsent to FB driver. */
96
struct {
4537 trochtova 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. */
4419 trochtova 100
} fb_pending;
101
 
4668 trochtova 102
static FIBRIL_MUTEX_INITIALIZE(input_mutex);
103
static FIBRIL_CONDVAR_INITIALIZE(input_cv);
4419 trochtova 104
 
105
static void curs_visibility(bool visible)
106
{
107
    async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);
108
}
109
 
110
static void curs_hide_sync(void)
111
{
112
    ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);
113
}
114
 
4537 trochtova 115
static void curs_goto(size_t x, size_t y)
4419 trochtova 116
{
4537 trochtova 117
    async_msg_2(fb_info.phone, FB_CURSOR_GOTO, x, y);
4419 trochtova 118
}
119
 
4537 trochtova 120
static void screen_clear(void)
121
{
122
    async_msg_0(fb_info.phone, FB_CLEAR);
123
}
124
 
4420 trochtova 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
 
4419 trochtova 145
static void set_style(int style)
146
{
4537 trochtova 147
    async_msg_1(fb_info.phone, FB_SET_STYLE, style);
4419 trochtova 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
 
4688 trochtova 176
static int ccap_fb_to_con(int ccap_fb, int *ccap_con)
4668 trochtova 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
 
4419 trochtova 189
/** Send an area of screenbuffer to the FB driver. */
4537 trochtova 190
static void fb_update_area(console_t *cons, ipcarg_t x0, ipcarg_t y0, ipcarg_t width, ipcarg_t height)
4419 trochtova 191
{
192
    if (interbuffer) {
4537 trochtova 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);
4419 trochtova 200
            }
201
        }
4439 trochtova 202
 
203
        async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
4537 trochtova 204
            x0, y0, width, height);
4419 trochtova 205
    }
206
}
207
 
208
/** Flush pending cells to FB. */
209
static void fb_pending_flush(void)
210
{
4439 trochtova 211
    if (fb_pending.cnt > 0) {
4537 trochtova 212
        fb_update_area(active_console, fb_pending.col,
4439 trochtova 213
            fb_pending.row, fb_pending.cnt, 1);
214
        fb_pending.cnt = 0;
4419 trochtova 215
    }
216
}
217
 
218
/** Mark a character cell as changed.
219
 *
220
 * This adds the cell to the pending rowspan if possible. Otherwise
221
 * the old span is flushed first.
4439 trochtova 222
 *
4419 trochtova 223
 */
4537 trochtova 224
static void cell_mark_changed(size_t col, size_t row)
4419 trochtova 225
{
4439 trochtova 226
    if (fb_pending.cnt != 0) {
4537 trochtova 227
        if ((col != fb_pending.col + fb_pending.cnt)
228
            || (row != fb_pending.row)) {
4419 trochtova 229
            fb_pending_flush();
230
        }
231
    }
4439 trochtova 232
 
233
    if (fb_pending.cnt == 0) {
4537 trochtova 234
        fb_pending.col = col;
4419 trochtova 235
        fb_pending.row = row;
236
    }
4439 trochtova 237
 
238
    fb_pending.cnt++;
4419 trochtova 239
}
240
 
241
/** Print a character to the active VC with buffering. */
4537 trochtova 242
static void fb_putchar(wchar_t c, ipcarg_t col, ipcarg_t row)
4419 trochtova 243
{
4537 trochtova 244
    async_msg_3(fb_info.phone, FB_PUTCHAR, c, col, row);
4419 trochtova 245
}
246
 
247
/** Process a character from the client (TTY emulation). */
4537 trochtova 248
static void write_char(console_t *cons, wchar_t ch)
4419 trochtova 249
{
4668 trochtova 250
    bool flush_cursor = false;
251
 
4419 trochtova 252
    switch (ch) {
253
    case '\n':
254
        fb_pending_flush();
4668 trochtova 255
        flush_cursor = true;
4537 trochtova 256
        cons->scr.position_y++;
257
        cons->scr.position_x = 0;
4419 trochtova 258
        break;
259
    case '\r':
260
        break;
261
    case '\t':
4537 trochtova 262
        cons->scr.position_x += 8;
263
        cons->scr.position_x -= cons->scr.position_x % 8;
4419 trochtova 264
        break;
265
    case '\b':
4537 trochtova 266
        if (cons->scr.position_x == 0)
4419 trochtova 267
            break;
4537 trochtova 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, ' ');
4419 trochtova 272
        break;
4439 trochtova 273
    default:
4537 trochtova 274
        if (cons == active_console)
275
            cell_mark_changed(cons->scr.position_x, cons->scr.position_y);
4439 trochtova 276
 
4537 trochtova 277
        screenbuffer_putchar(&cons->scr, ch);
278
        cons->scr.position_x++;
4419 trochtova 279
    }
4439 trochtova 280
 
4668 trochtova 281
    if (cons->scr.position_x >= cons->scr.size_x) {
282
        flush_cursor = true;
4537 trochtova 283
        cons->scr.position_y++;
4668 trochtova 284
    }
4419 trochtova 285
 
4537 trochtova 286
    if (cons->scr.position_y >= cons->scr.size_y) {
4419 trochtova 287
        fb_pending_flush();
4537 trochtova 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)
4419 trochtova 293
            async_msg_1(fb_info.phone, FB_SCROLL, 1);
294
    }
4668 trochtova 295
 
296
    if (cons == active_console && flush_cursor)
297
        curs_goto(cons->scr.position_x, cons->scr.position_y);
4537 trochtova 298
    cons->scr.position_x = cons->scr.position_x % cons->scr.size_x;
4419 trochtova 299
}
300
 
301
/** Switch to new console */
4537 trochtova 302
static void change_console(console_t *cons)
4419 trochtova 303
{
4537 trochtova 304
    if (cons == active_console)
4419 trochtova 305
        return;
4439 trochtova 306
 
4419 trochtova 307
    fb_pending_flush();
4439 trochtova 308
 
4537 trochtova 309
    if (cons == kernel_console) {
4419 trochtova 310
        async_serialize_start();
311
        curs_hide_sync();
312
        gcons_in_kernel();
4420 trochtova 313
        screen_yield();
314
        kbd_yield();
4419 trochtova 315
        async_serialize_end();
316
 
317
        if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) {
318
            prev_console = active_console;
4537 trochtova 319
            active_console = kernel_console;
4419 trochtova 320
        } else
4537 trochtova 321
            cons = active_console;
4419 trochtova 322
    }
323
 
4537 trochtova 324
    if (cons != kernel_console) {
325
        size_t x;
326
        size_t y;
327
        int rc = 0;
328
 
4419 trochtova 329
        async_serialize_start();
330
 
4537 trochtova 331
        if (active_console == kernel_console) {
4420 trochtova 332
            screen_reclaim();
333
            kbd_reclaim();
4419 trochtova 334
            gcons_redraw_console();
4420 trochtova 335
        }
4419 trochtova 336
 
4537 trochtova 337
        active_console = cons;
338
        gcons_change_console(cons->index);
4419 trochtova 339
 
4537 trochtova 340
        set_attrs(&cons->scr.attrs);
4419 trochtova 341
        curs_visibility(false);
342
        if (interbuffer) {
4537 trochtova 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);
4419 trochtova 347
                }
348
            }
4537 trochtova 349
 
4419 trochtova 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,
4537 trochtova 352
                0, 0, cons->scr.size_x,
353
                cons->scr.size_y);
4419 trochtova 354
        }
355
 
356
        if ((!interbuffer) || (rc != 0)) {
4537 trochtova 357
            set_attrs(&cons->scr.attrs);
358
            screen_clear();
4419 trochtova 359
 
4537 trochtova 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))
4419 trochtova 365
                        set_attrs(&field->attrs);
4537 trochtova 366
 
367
                    cons->scr.attrs = field->attrs;
4419 trochtova 368
                    if ((field->character == ' ') &&
4537 trochtova 369
                        (attrs_same(field->attrs, cons->scr.attrs)))
4419 trochtova 370
                        continue;
4439 trochtova 371
 
4537 trochtova 372
                    fb_putchar(field->character, x, y);
4419 trochtova 373
                }
374
        }
375
 
4537 trochtova 376
        curs_goto(cons->scr.position_x, cons->scr.position_y);
377
        curs_visibility(cons->scr.is_cursor_visible);
4419 trochtova 378
 
379
        async_serialize_end();
380
    }
381
}
382
 
383
/** Handler for keyboard */
384
static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
385
{
4537 trochtova 386
    /* Ignore parameters, the connection is already opened */
4439 trochtova 387
    while (true) {
4537 trochtova 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
 
4419 trochtova 395
        switch (IPC_GET_METHOD(call)) {
396
        case IPC_M_PHONE_HUNGUP:
397
            /* TODO: Handle hangup */
398
            return;
399
        case KBD_EVENT:
400
            /* Got event from keyboard driver. */
401
            retval = 0;
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)) {
4537 trochtova 409
                if (ev.key == KC_F1 + KERNEL_CONSOLE)
410
                    change_console(kernel_console);
4419 trochtova 411
                else
4537 trochtova 412
                    change_console(&consoles[ev.key - KC_F1]);
4419 trochtova 413
                break;
414
            }
415
 
4668 trochtova 416
            fibril_mutex_lock(&input_mutex);
4537 trochtova 417
            keybuffer_push(&active_console->keybuffer, &ev);
4668 trochtova 418
            fibril_condvar_broadcast(&input_cv);
419
            fibril_mutex_unlock(&input_mutex);
4419 trochtova 420
            break;
421
        default:
422
            retval = ENOENT;
423
        }
424
        ipc_answer_0(callid, retval);
425
    }
426
}
427
 
4537 trochtova 428
static void cons_write(console_t *cons, ipc_callid_t rid, ipc_call_t *request)
4419 trochtova 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);
4420 trochtova 435
        return;
4419 trochtova 436
    }
4439 trochtova 437
 
4537 trochtova 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
    }
4439 trochtova 444
 
4537 trochtova 445
    (void) ipc_data_write_finalize(callid, buf, size);
4439 trochtova 446
 
4420 trochtova 447
    async_serialize_start();
4439 trochtova 448
 
4537 trochtova 449
    size_t off = 0;
4419 trochtova 450
    while (off < size) {
4537 trochtova 451
        wchar_t ch = str_decode(buf, &off, size);
452
        write_char(cons, ch);
4419 trochtova 453
    }
4439 trochtova 454
 
4420 trochtova 455
    async_serialize_end();
4439 trochtova 456
 
4537 trochtova 457
    gcons_notify_char(cons->index);
4419 trochtova 458
    ipc_answer_1(rid, EOK, size);
4537 trochtova 459
 
460
    free(buf);
4419 trochtova 461
}
462
 
4537 trochtova 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;
4668 trochtova 482
    fibril_mutex_lock(&input_mutex);
483
recheck:
4537 trochtova 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 {
4668 trochtova 496
        fibril_condvar_wait(&input_cv, &input_mutex);
497
        goto recheck;
4537 trochtova 498
    }
4668 trochtova 499
    fibril_mutex_unlock(&input_mutex);
4537 trochtova 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;
4668 trochtova 505
 
506
    fibril_mutex_lock(&input_mutex);
507
recheck:
4537 trochtova 508
    if (keybuffer_pop(&cons->keybuffer, &ev)) {
509
        ipc_answer_4(rid, EOK, ev.type, ev.key, ev.mods, ev.c);
510
    } else {
4668 trochtova 511
        fibril_condvar_wait(&input_cv, &input_mutex);
512
        goto recheck;
4537 trochtova 513
    }
4668 trochtova 514
    fibril_mutex_unlock(&input_mutex);
4537 trochtova 515
}
516
 
4419 trochtova 517
/** Default thread for new connections */
518
static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
519
{
4537 trochtova 520
    console_t *cons = NULL;
4419 trochtova 521
 
4537 trochtova 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);
4419 trochtova 535
        return;
536
    }
537
 
4537 trochtova 538
    ipc_callid_t callid;
539
    ipc_call_t call;
540
    ipcarg_t arg1;
541
    ipcarg_t arg2;
542
    ipcarg_t arg3;
4668 trochtova 543
 
544
    int cons_ccap;
545
    int rc;
4537 trochtova 546
 
4419 trochtova 547
    async_serialize_start();
4537 trochtova 548
    if (cons->refcount == 0)
549
        gcons_notify_connect(cons->index);
4419 trochtova 550
 
4537 trochtova 551
    cons->refcount++;
552
 
4419 trochtova 553
    /* Accept the connection */
554
    ipc_answer_0(iid, EOK);
555
 
4439 trochtova 556
    while (true) {
4419 trochtova 557
        async_serialize_end();
558
        callid = async_get_call(&call);
559
        async_serialize_start();
560
 
561
        arg1 = 0;
562
        arg2 = 0;
563
        arg3 = 0;
4439 trochtova 564
 
4419 trochtova 565
        switch (IPC_GET_METHOD(call)) {
566
        case IPC_M_PHONE_HUNGUP:
4537 trochtova 567
            cons->refcount--;
568
            if (cons->refcount == 0)
569
                gcons_notify_disconnect(cons->index);
4419 trochtova 570
            return;
4668 trochtova 571
        case VFS_OUT_READ:
4420 trochtova 572
            async_serialize_end();
4537 trochtova 573
            cons_read(cons, callid, &call);
4420 trochtova 574
            async_serialize_start();
4419 trochtova 575
            continue;
4668 trochtova 576
        case VFS_OUT_WRITE:
4537 trochtova 577
            async_serialize_end();
578
            cons_write(cons, callid, &call);
579
            async_serialize_start();
580
            continue;
4668 trochtova 581
        case VFS_OUT_SYNC:
4537 trochtova 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;
4419 trochtova 589
        case CONSOLE_CLEAR:
590
            /* Send message to fb */
4537 trochtova 591
            if (cons == active_console)
592
                async_msg_0(fb_info.phone, FB_CLEAR);
4419 trochtova 593
 
4537 trochtova 594
            screenbuffer_clear(&cons->scr);
4419 trochtova 595
 
596
            break;
597
        case CONSOLE_GOTO:
4537 trochtova 598
            screenbuffer_goto(&cons->scr,
599
                IPC_GET_ARG1(call), IPC_GET_ARG2(call));
600
            if (cons == active_console)
4419 trochtova 601
                curs_goto(IPC_GET_ARG1(call),
602
                    IPC_GET_ARG2(call));
603
            break;
4537 trochtova 604
        case CONSOLE_GET_SIZE:
605
            arg1 = fb_info.cols;
606
            arg2 = fb_info.rows;
4419 trochtova 607
            break;
4668 trochtova 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;
613
            }
614
            arg1 = cons_ccap;
615
            break;
4419 trochtova 616
        case CONSOLE_SET_STYLE:
617
            fb_pending_flush();
618
            arg1 = IPC_GET_ARG1(call);
4537 trochtova 619
            screenbuffer_set_style(&cons->scr, arg1);
620
            if (cons == active_console)
4419 trochtova 621
                set_style(arg1);
622
            break;
623
        case CONSOLE_SET_COLOR:
624
            fb_pending_flush();
625
            arg1 = IPC_GET_ARG1(call);
626
            arg2 = IPC_GET_ARG2(call);
627
            arg3 = IPC_GET_ARG3(call);
4537 trochtova 628
            screenbuffer_set_color(&cons->scr, arg1, arg2, arg3);
629
            if (cons == active_console)
4419 trochtova 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);
4537 trochtova 636
            screenbuffer_set_rgb_color(&cons->scr, arg1, arg2);
637
            if (cons == active_console)
4419 trochtova 638
                set_rgb_color(arg1, arg2);
639
            break;
640
        case CONSOLE_CURSOR_VISIBILITY:
641
            fb_pending_flush();
642
            arg1 = IPC_GET_ARG1(call);
4537 trochtova 643
            cons->scr.is_cursor_visible = arg1;
644
            if (cons == active_console)
4419 trochtova 645
                curs_visibility(arg1);
646
            break;
4537 trochtova 647
        case CONSOLE_GET_EVENT:
648
            async_serialize_end();
649
            cons_get_event(cons, callid, &call);
650
            async_serialize_start();
651
            continue;
4419 trochtova 652
        case CONSOLE_KCON_ENABLE:
4537 trochtova 653
            change_console(kernel_console);
4419 trochtova 654
            break;
655
        }
4537 trochtova 656
        ipc_answer_3(callid, EOK, arg1, arg2, arg3);
4419 trochtova 657
    }
658
}
659
 
660
static void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
661
{
662
    change_console(prev_console);
663
}
664
 
4537 trochtova 665
static bool console_init(void)
4419 trochtova 666
{
4668 trochtova 667
    ipcarg_t color_cap;
668
 
4419 trochtova 669
    /* Connect to keyboard driver */
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");
4537 trochtova 673
        return false;
4419 trochtova 674
    }
675
 
4537 trochtova 676
    ipcarg_t phonehash;
4419 trochtova 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");
4537 trochtova 679
        return false;
4419 trochtova 680
    }
681
 
682
    async_new_connection(phonehash, 0, NULL, keyboard_events);
4668 trochtova 683
 
4419 trochtova 684
    /* Connect to framebuffer driver */
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;
689
    }
690
 
4537 trochtova 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
    }
4419 trochtova 697
 
698
    /* Initialize gcons */
699
    gcons_init(fb_info.phone);
4537 trochtova 700
 
701
    /* Synchronize, the gcons could put something in queue */
4419 trochtova 702
    async_req_0_0(fb_info.phone, FB_FLUSH);
4537 trochtova 703
    async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.cols, &fb_info.rows);
4668 trochtova 704
    async_req_0_1(fb_info.phone, FB_GET_COLOR_CAP, &color_cap);
705
    fb_info.color_cap = color_cap;
4419 trochtova 706
 
707
    /* Set up shared memory buffer. */
4537 trochtova 708
    size_t ib_size = sizeof(keyfield_t) * fb_info.cols * fb_info.rows;
4419 trochtova 709
    interbuffer = as_get_mappable_page(ib_size);
4439 trochtova 710
 
4419 trochtova 711
    if (as_area_create(interbuffer, ib_size, AS_AREA_READ |
4537 trochtova 712
        AS_AREA_WRITE | AS_AREA_CACHEABLE) != interbuffer)
4419 trochtova 713
        interbuffer = NULL;
4439 trochtova 714
 
4419 trochtova 715
    if (interbuffer) {
716
        if (ipc_share_out_start(fb_info.phone, interbuffer,
717
            AS_AREA_READ) != EOK) {
718
            as_area_destroy(interbuffer);
719
            interbuffer = NULL;
720
        }
721
    }
722
 
4537 trochtova 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 */
4668 trochtova 754
    async_serialize_start();
4537 trochtova 755
    gcons_redraw_console();
756
    set_rgb_color(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
757
    screen_clear();
4419 trochtova 758
    curs_goto(0, 0);
4537 trochtova 759
    curs_visibility(active_console->scr.is_cursor_visible);
4668 trochtova 760
    async_serialize_end();
4419 trochtova 761
 
762
    /* Receive kernel notifications */
763
    if (event_subscribe(EVENT_KCONSOLE, 0) != EOK)
764
        printf(NAME ": Error registering kconsole notifications\n");
4439 trochtova 765
 
4419 trochtova 766
    async_set_interrupt_received(interrupt_received);
767
 
4537 trochtova 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");
4419 trochtova 779
    async_manager();
780
 
781
    return 0;
782
}
783
 
784
/** @}
785
 */