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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
1649 cejka 30
 * @{
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>
39
#include <kbd/keycode.h>
1451 cejka 40
#include <ipc/fb.h>
1445 cejka 41
#include <ipc/services.h>
42
#include <errno.h>
1451 cejka 43
#include <key_buffer.h>
4377 svoboda 44
#include <ipc/console.h>
1453 palkovsky 45
#include <unistd.h>
46
#include <async.h>
1481 cejka 47
#include <libadt/fifo.h>
1487 cejka 48
#include <screenbuffer.h>
1867 jermar 49
#include <sys/mman.h>
3424 svoboda 50
#include <stdio.h>
4377 svoboda 51
#include <string.h>
52
#include <sysinfo.h>
53
#include <event.h>
1445 cejka 54
 
4377 svoboda 55
#include "console.h"
1522 palkovsky 56
#include "gcons.h"
57
 
1481 cejka 58
#define MAX_KEYREQUESTS_BUFFERED 32
1451 cejka 59
 
3424 svoboda 60
#define NAME "console"
1445 cejka 61
 
1526 cejka 62
/** Index of currently used virtual console.
63
 */
1512 cejka 64
int active_console = 0;
4377 svoboda 65
int prev_console = 0;
1453 palkovsky 66
 
4377 svoboda 67
/** Phone to the keyboard driver. */
68
static int kbd_phone;
69
 
70
/** Information about framebuffer */
1487 cejka 71
struct {
72
    int phone;      /**< Framebuffer phone */
1506 cejka 73
    ipcarg_t rows;      /**< Framebuffer rows */
74
    ipcarg_t cols;      /**< Framebuffer columns */
1487 cejka 75
} fb_info;
76
 
1451 cejka 77
typedef struct {
1526 cejka 78
    keybuffer_t keybuffer;      /**< Buffer for incoming keys. */
2025 jermar 79
    /** Buffer for unsatisfied request for keys. */
80
    FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
81
        MAX_KEYREQUESTS_BUFFERED); 
1526 cejka 82
    int keyrequest_counter;     /**< Number of requests in buffer. */
83
    int client_phone;       /**< Phone to connected client. */
2025 jermar 84
    int used;           /**< 1 if this virtual console is
85
                     * connected to some client.*/
86
    screenbuffer_t screenbuffer;    /**< Screenbuffer for saving screen
87
                     * contents and related settings. */
1451 cejka 88
} connection_t;
89
 
2025 jermar 90
static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
91
                         * consoles */
92
static keyfield_t *interbuffer = NULL;      /**< Pointer to memory shared
93
                         * with framebufer used for
94
                         * faster virtual console
2069 jermar 95
                         * switching */
1506 cejka 96
 
4377 svoboda 97
/** Information on row-span yet unsent to FB driver. */
98
struct {
99
    int row;        /**< Row where the span lies. */
100
    int col;        /**< Leftmost column of the span. */
101
    int n;          /**< Width of the span. */
102
} fb_pending;
1506 cejka 103
 
4377 svoboda 104
/** Size of cwrite_buf. */
105
#define CWRITE_BUF_SIZE 256
1552 palkovsky 106
 
4377 svoboda 107
/** Buffer for receiving data via the CONSOLE_WRITE call from the client. */
108
static char cwrite_buf[CWRITE_BUF_SIZE];
109
 
110
static void fb_putchar(wchar_t c, int row, int col);
111
 
112
 
1526 cejka 113
/** Find unused virtual console.
114
 *
115
 */
1574 palkovsky 116
static int find_free_connection(void)
1451 cejka 117
{
2069 jermar 118
    int i;
1451 cejka 119
 
2069 jermar 120
    for (i = 0; i < CONSOLE_COUNT; i++) {
1574 palkovsky 121
        if (!connections[i].used)
1451 cejka 122
            return i;
123
    }
1574 palkovsky 124
    return -1;
1451 cejka 125
}
126
 
1552 palkovsky 127
static void clrscr(void)
128
{
2621 jermar 129
    async_msg_0(fb_info.phone, FB_CLEAR);
1552 palkovsky 130
}
131
 
4377 svoboda 132
static void curs_visibility(bool visible)
1552 palkovsky 133
{
4377 svoboda 134
    async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);
1552 palkovsky 135
}
136
 
4377 svoboda 137
static void curs_hide_sync(void)
138
{
139
    ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);
140
}
141
 
1552 palkovsky 142
static void curs_goto(int row, int col)
143
{
1610 palkovsky 144
    async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
1552 palkovsky 145
}
146
 
4377 svoboda 147
static void screen_yield(void)
1552 palkovsky 148
{
4377 svoboda 149
    ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_YIELD);
1552 palkovsky 150
}
151
 
4377 svoboda 152
static void screen_reclaim(void)
1552 palkovsky 153
{
4377 svoboda 154
    ipc_call_sync_0_0(fb_info.phone, FB_SCREEN_RECLAIM);
1552 palkovsky 155
}
156
 
4377 svoboda 157
static void kbd_yield(void)
1552 palkovsky 158
{
4377 svoboda 159
    ipc_call_sync_0_0(kbd_phone, KBD_YIELD);
1552 palkovsky 160
}
161
 
4377 svoboda 162
static void kbd_reclaim(void)
163
{
164
    ipc_call_sync_0_0(kbd_phone, KBD_RECLAIM);
165
}
166
 
167
static void set_style(int style)
168
{
169
    async_msg_1(fb_info.phone, FB_SET_STYLE, style);
170
}
171
 
172
static void set_color(int fgcolor, int bgcolor, int flags)
173
{
174
    async_msg_3(fb_info.phone, FB_SET_COLOR, fgcolor, bgcolor, flags);
175
}
176
 
177
static void set_rgb_color(int fgcolor, int bgcolor)
178
{
179
    async_msg_2(fb_info.phone, FB_SET_RGB_COLOR, fgcolor, bgcolor);
180
}
181
 
182
static void set_attrs(attrs_t *attrs)
183
{
184
    switch (attrs->t) {
185
    case at_style:
186
        set_style(attrs->a.s.style);
187
        break;
188
 
189
    case at_idx:
190
        set_color(attrs->a.i.fg_color, attrs->a.i.bg_color,
191
            attrs->a.i.flags);
192
        break;
193
 
194
    case at_rgb:
195
        set_rgb_color(attrs->a.r.fg_color, attrs->a.r.bg_color);
196
        break;
197
    }
198
}
199
 
200
/** Send an area of screenbuffer to the FB driver. */
201
static void fb_update_area(connection_t *conn, int x, int y, int w, int h)
202
{
203
    int i, j;
204
    int rc;
205
    attrs_t *attrs;
206
    keyfield_t *field;
207
 
208
    if (interbuffer) {
209
        for (j = 0; j < h; j++) {
210
            for (i = 0; i < w; i++) {
211
                interbuffer[i + j * w] =
212
                    *get_field_at(&conn->screenbuffer,
213
                    x + i, y + j);
214
            }
215
        }
216
 
217
        rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
218
            x, y, w, h);
219
    } else {
220
        rc = ENOTSUP;
221
    }
222
 
223
    if (rc != 0) {
224
        /*
225
        attrs = &conn->screenbuffer.attrs;
226
 
227
        for (j = 0; j < h; j++) {
228
            for (i = 0; i < w; i++) {
229
                field = get_field_at(&conn->screenbuffer,
230
                    x + i, y + j);
231
                if (!attrs_same(*attrs, field->attrs))
232
                    set_attrs(&field->attrs);
233
                attrs = &field->attrs;
234
 
235
                fb_putchar(field->character, y + j, x + i);
236
            }
237
        }*/
238
    }
239
}
240
 
241
/** Flush pending cells to FB. */
242
static void fb_pending_flush(void)
243
{
244
    screenbuffer_t *scr;
245
 
246
    scr = &(connections[active_console].screenbuffer);
247
 
248
    if (fb_pending.n > 0) {
249
        fb_update_area(&connections[active_console], fb_pending.col,
250
            fb_pending.row, fb_pending.n, 1);
251
        fb_pending.n = 0;
252
    }
253
}
254
 
255
/** Mark a character cell as changed.
1497 cejka 256
 *
4377 svoboda 257
 * This adds the cell to the pending rowspan if possible. Otherwise
258
 * the old span is flushed first.
2566 jermar 259
 */
4377 svoboda 260
static void cell_mark_changed(int row, int col)
1497 cejka 261
{
4377 svoboda 262
    if (fb_pending.n != 0) {
263
        if (row != fb_pending.row ||
264
            col != fb_pending.col + fb_pending.n) {
265
            fb_pending_flush();
266
        }
267
    }
268
 
269
    if (fb_pending.n == 0) {
270
        fb_pending.row = row;
271
        fb_pending.col = col;
272
    }
273
 
274
    ++fb_pending.n;
275
}
276
 
277
 
278
/** Print a character to the active VC with buffering. */
279
static void fb_putchar(wchar_t c, int row, int col)
280
{
281
    async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
282
}
283
 
284
/** Process a character from the client (TTY emulation). */
285
static void write_char(int console, wchar_t ch)
286
{
287
    bool flush_cursor = false;
1497 cejka 288
    screenbuffer_t *scr = &(connections[console].screenbuffer);
4377 svoboda 289
 
290
    switch (ch) {
2025 jermar 291
    case '\n':
4377 svoboda 292
        fb_pending_flush();
293
        flush_cursor = true;
2069 jermar 294
        scr->position_y++;
295
        scr->position_x = 0;
2025 jermar 296
        break;
297
    case '\r':
298
        break;
299
    case '\t':
300
        scr->position_x += 8;
301
        scr->position_x -= scr->position_x % 8;
302
        break;
303
    case '\b':
304
        if (scr->position_x == 0)
1497 cejka 305
            break;
2025 jermar 306
        scr->position_x--;
307
        if (console == active_console)
4377 svoboda 308
            cell_mark_changed(scr->position_y, scr->position_x);
2025 jermar 309
        screenbuffer_putchar(scr, ' ');
310
        break;
311
    default:   
312
        if (console == active_console)
4377 svoboda 313
            cell_mark_changed(scr->position_y, scr->position_x);
1497 cejka 314
 
4377 svoboda 315
        screenbuffer_putchar(scr, ch);
2025 jermar 316
        scr->position_x++;
1497 cejka 317
    }
4377 svoboda 318
 
319
    if (scr->position_x >= scr->size_x) {
320
        flush_cursor = true;
321
        scr->position_y++;
322
    }
1497 cejka 323
 
324
    if (scr->position_y >= scr->size_y) {
4377 svoboda 325
        fb_pending_flush();
1497 cejka 326
        scr->position_y = scr->size_y - 1;
1674 palkovsky 327
        screenbuffer_clear_line(scr, scr->top_line);
2069 jermar 328
        scr->top_line = (scr->top_line + 1) % scr->size_y;
1518 palkovsky 329
        if (console == active_console)
2621 jermar 330
            async_msg_1(fb_info.phone, FB_SCROLL, 1);
1497 cejka 331
    }
4377 svoboda 332
 
1497 cejka 333
    scr->position_x = scr->position_x % scr->size_x;
4377 svoboda 334
 
335
    if (console == active_console && flush_cursor)
1552 palkovsky 336
        curs_goto(scr->position_y, scr->position_x);
1497 cejka 337
}
338
 
1552 palkovsky 339
/** Switch to new console */
340
static void change_console(int newcons)
341
{
342
    connection_t *conn;
1673 palkovsky 343
    int i, j, rc;
1578 cejka 344
    keyfield_t *field;
4377 svoboda 345
    attrs_t *attrs;
346
 
1552 palkovsky 347
    if (newcons == active_console)
348
        return;
349
 
4377 svoboda 350
    fb_pending_flush();
351
 
1555 palkovsky 352
    if (newcons == KERNEL_CONSOLE) {
1717 palkovsky 353
        async_serialize_start();
4377 svoboda 354
        curs_hide_sync();
355
        gcons_in_kernel();
356
        screen_yield();
357
        kbd_yield();
1717 palkovsky 358
        async_serialize_end();
1552 palkovsky 359
 
4377 svoboda 360
 
361
        if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) {
362
            prev_console = active_console;
363
            active_console = KERNEL_CONSOLE;
364
        } else
365
            newcons = active_console;
366
    }
1552 palkovsky 367
 
4377 svoboda 368
    if (newcons != KERNEL_CONSOLE) {
369
        async_serialize_start();
370
 
371
        if (active_console == KERNEL_CONSOLE) {
372
            screen_reclaim();
373
            kbd_reclaim();
374
            gcons_redraw_console();
375
        }
376
 
377
        active_console = newcons;
378
        gcons_change_console(newcons);
379
        conn = &connections[active_console];
380
 
381
        set_attrs(&conn->screenbuffer.attrs);
382
        curs_visibility(false);
383
        if (interbuffer) {
2539 jermar 384
            for (j = 0; j < conn->screenbuffer.size_y; j++) {
4377 svoboda 385
                for (i = 0; i < conn->screenbuffer.size_x; i++) {
386
                    unsigned int size_x;
387
 
388
                    size_x = conn->screenbuffer.size_x;
389
                    interbuffer[j * size_x + i] =
390
                        *get_field_at(&conn->screenbuffer, i, j);
391
                }
2539 jermar 392
            }
4377 svoboda 393
            /* This call can preempt, but we are already at the end */
394
            rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
395
                0, 0, conn->screenbuffer.size_x,
396
                conn->screenbuffer.size_y);
397
        }
398
 
399
        if ((!interbuffer) || (rc != 0)) {
400
            set_attrs(&conn->screenbuffer.attrs);
401
            clrscr();
402
            attrs = &conn->screenbuffer.attrs;
403
 
404
            for (j = 0; j < conn->screenbuffer.size_y; j++)
405
                for (i = 0; i < conn->screenbuffer.size_x; i++) {
406
                    field = get_field_at(&conn->screenbuffer, i, j);
407
                    if (!attrs_same(*attrs, field->attrs))
408
                        set_attrs(&field->attrs);
409
                    attrs = &field->attrs;
410
                    if ((field->character == ' ') &&
411
                        (attrs_same(field->attrs,
412
                        conn->screenbuffer.attrs)))
413
                        continue;
1578 cejka 414
 
4377 svoboda 415
                    fb_putchar(field->character, j, i);
416
                }
417
        }
418
 
419
        curs_goto(conn->screenbuffer.position_y,
420
            conn->screenbuffer.position_x);
421
        curs_visibility(conn->screenbuffer.is_cursor_visible);
422
 
423
        async_serialize_end();
1552 palkovsky 424
    }
425
}
426
 
1526 cejka 427
/** Handler for keyboard */
1453 palkovsky 428
static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
1445 cejka 429
{
1453 palkovsky 430
    ipc_callid_t callid;
1445 cejka 431
    ipc_call_t call;
1453 palkovsky 432
    int retval;
4377 svoboda 433
    kbd_event_t ev;
1489 palkovsky 434
    connection_t *conn;
1717 palkovsky 435
    int newcon;
1506 cejka 436
 
1453 palkovsky 437
    /* Ignore parameters, the connection is alread opened */
438
    while (1) {
439
        callid = async_get_call(&call);
440
        switch (IPC_GET_METHOD(call)) {
441
        case IPC_M_PHONE_HUNGUP:
442
            /* TODO: Handle hangup */
443
            return;
1717 palkovsky 444
        case KBD_MS_LEFT:
445
            newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
446
            if (newcon != -1)
447
                change_console(newcon);
1721 palkovsky 448
            retval = 0;
1717 palkovsky 449
            break;
1707 palkovsky 450
        case KBD_MS_MOVE:
2025 jermar 451
            gcons_mouse_move(IPC_GET_ARG1(call),
2539 jermar 452
                IPC_GET_ARG2(call));
1721 palkovsky 453
            retval = 0;
1707 palkovsky 454
            break;
4377 svoboda 455
        case KBD_EVENT:
456
            /* Got event from keyboard driver. */
1453 palkovsky 457
            retval = 0;
4377 svoboda 458
            ev.type = IPC_GET_ARG1(call);
459
            ev.key = IPC_GET_ARG2(call);
460
            ev.mods = IPC_GET_ARG3(call);
461
            ev.c = IPC_GET_ARG4(call);
462
 
1453 palkovsky 463
            /* switch to another virtual console */
1481 cejka 464
 
1489 palkovsky 465
            conn = &connections[active_console];
4377 svoboda 466
 
467
            if ((ev.key >= KC_F1) && (ev.key < KC_F1 +
468
                CONSOLE_COUNT) && ((ev.mods & KM_CTRL) == 0)) {
469
                if (ev.key == KC_F12)
1555 palkovsky 470
                    change_console(KERNEL_CONSOLE);
1552 palkovsky 471
                else
4377 svoboda 472
                    change_console(ev.key - KC_F1);
1453 palkovsky 473
                break;
474
            }
1481 cejka 475
 
476
            /* if client is awaiting key, send it */
1489 palkovsky 477
            if (conn->keyrequest_counter > 0) {    
478
                conn->keyrequest_counter--;
4377 svoboda 479
                ipc_answer_4(fifo_pop(conn->keyrequests), EOK,
480
                    ev.type, ev.key, ev.mods, ev.c);
1481 cejka 481
                break;
482
            }
4377 svoboda 483
 
484
            keybuffer_push(&conn->keybuffer, &ev);
1721 palkovsky 485
            retval = 0;
4377 svoboda 486
 
1453 palkovsky 487
            break;
488
        default:
1459 palkovsky 489
            retval = ENOENT;
1610 palkovsky 490
        }
2619 jermar 491
        ipc_answer_0(callid, retval);
1453 palkovsky 492
    }
493
}
494
 
4377 svoboda 495
/** Handle CONSOLE_WRITE call. */
496
static void cons_write(int consnum, ipc_callid_t rid, ipc_call_t *request)
497
{
498
    ipc_callid_t callid;
499
    size_t size;
500
    wchar_t ch;
501
    size_t off;
502
 
503
    if (!ipc_data_write_receive(&callid, &size)) {
504
        ipc_answer_0(callid, EINVAL);
505
        ipc_answer_0(rid, EINVAL);
506
        return;
507
    }
508
 
509
    if (size > CWRITE_BUF_SIZE)
510
        size = CWRITE_BUF_SIZE;
511
 
512
    (void) ipc_data_write_finalize(callid, cwrite_buf, size);
513
 
514
    async_serialize_start();
515
 
516
    off = 0;
517
    while (off < size) {
518
        ch = str_decode(cwrite_buf, &off, size);
519
        write_char(consnum, ch);
520
    }
521
 
522
    async_serialize_end();
523
 
524
    gcons_notify_char(consnum);
525
    ipc_answer_1(rid, EOK, size);
526
}
527
 
1453 palkovsky 528
/** Default thread for new connections */
1518 palkovsky 529
static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
1453 palkovsky 530
{
1445 cejka 531
    ipc_callid_t callid;
1453 palkovsky 532
    ipc_call_t call;
533
    int consnum;
4377 svoboda 534
    ipcarg_t arg1, arg2, arg3, arg4;
1592 palkovsky 535
    connection_t *conn;
4377 svoboda 536
    screenbuffer_t *scr;
537
 
1574 palkovsky 538
    if ((consnum = find_free_connection()) == -1) {
2619 jermar 539
        ipc_answer_0(iid, ELIMIT);
1453 palkovsky 540
        return;
541
    }
1592 palkovsky 542
    conn = &connections[consnum];
1610 palkovsky 543
    conn->used = 1;
1555 palkovsky 544
 
1610 palkovsky 545
    async_serialize_start();
1555 palkovsky 546
    gcons_notify_connect(consnum);
2637 cejka 547
    conn->client_phone = IPC_GET_ARG5(*icall);
1592 palkovsky 548
    screenbuffer_clear(&conn->screenbuffer);
4377 svoboda 549
    if (consnum == active_console)
550
        clrscr();
1497 cejka 551
 
1453 palkovsky 552
    /* Accept the connection */
2619 jermar 553
    ipc_answer_0(iid, EOK);
4377 svoboda 554
 
1453 palkovsky 555
    while (1) {
1610 palkovsky 556
        async_serialize_end();
1453 palkovsky 557
        callid = async_get_call(&call);
1610 palkovsky 558
        async_serialize_start();
4377 svoboda 559
 
2566 jermar 560
        arg1 = 0;
561
        arg2 = 0;
4377 svoboda 562
        arg3 = 0;
563
        arg4 = 0;
564
 
1453 palkovsky 565
        switch (IPC_GET_METHOD(call)) {
566
        case IPC_M_PHONE_HUNGUP:
1592 palkovsky 567
            gcons_notify_disconnect(consnum);
1610 palkovsky 568
 
1592 palkovsky 569
            /* Answer all pending requests */
4377 svoboda 570
            while (conn->keyrequest_counter > 0) {
1592 palkovsky 571
                conn->keyrequest_counter--;
2619 jermar 572
                ipc_answer_0(fifo_pop(conn->keyrequests),
573
                    ENOENT);
1592 palkovsky 574
                break;
575
            }
1616 palkovsky 576
            conn->used = 0;
1453 palkovsky 577
            return;
578
        case CONSOLE_PUTCHAR:
1497 cejka 579
            write_char(consnum, IPC_GET_ARG1(call));
1528 palkovsky 580
            gcons_notify_char(consnum);
1453 palkovsky 581
            break;
4377 svoboda 582
        case CONSOLE_WRITE:
583
            async_serialize_end();
584
            cons_write(consnum, callid, &call);
585
            async_serialize_start();
586
            continue;
1476 cejka 587
        case CONSOLE_CLEAR:
1487 cejka 588
            /* Send message to fb */
589
            if (consnum == active_console) {
2621 jermar 590
                async_msg_0(fb_info.phone, FB_CLEAR);
1487 cejka 591
            }
592
 
1592 palkovsky 593
            screenbuffer_clear(&conn->screenbuffer);
1487 cejka 594
 
1476 cejka 595
            break;
596
        case CONSOLE_GOTO:
2025 jermar 597
            screenbuffer_goto(&conn->screenbuffer,
2539 jermar 598
                IPC_GET_ARG2(call), IPC_GET_ARG1(call));
1567 palkovsky 599
            if (consnum == active_console)
2025 jermar 600
                curs_goto(IPC_GET_ARG1(call),
2539 jermar 601
                    IPC_GET_ARG2(call));
1476 cejka 602
            break;
1521 cejka 603
        case CONSOLE_GETSIZE:
1528 palkovsky 604
            arg1 = fb_info.rows;
605
            arg2 = fb_info.cols;
1521 cejka 606
            break;
1523 cejka 607
        case CONSOLE_FLUSH:
4377 svoboda 608
            fb_pending_flush();
609
            if (consnum == active_console) {
2621 jermar 610
                async_req_0_0(fb_info.phone, FB_FLUSH);
4377 svoboda 611
 
612
                scr = &(connections[consnum].screenbuffer);
613
                curs_goto(scr->position_y, scr->position_x);
614
            }
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);
4377 svoboda 619
            screenbuffer_set_style(&conn->screenbuffer, arg1);
620
            if (consnum == active_console)
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);
628
            screenbuffer_set_color(&conn->screenbuffer, arg1,
629
                arg2, arg3);
630
            if (consnum == active_console)
631
                set_color(arg1, arg2, arg3);
632
            break;
633
        case CONSOLE_SET_RGB_COLOR:
634
            fb_pending_flush();
635
            arg1 = IPC_GET_ARG1(call);
636
            arg2 = IPC_GET_ARG2(call);
637
            screenbuffer_set_rgb_color(&conn->screenbuffer, arg1,
2539 jermar 638
                arg2);
1525 cejka 639
            if (consnum == active_console)
4377 svoboda 640
                set_rgb_color(arg1, arg2);
1525 cejka 641
            break;
1575 cejka 642
        case CONSOLE_CURSOR_VISIBILITY:
4377 svoboda 643
            fb_pending_flush();
1575 cejka 644
            arg1 = IPC_GET_ARG1(call);
1592 palkovsky 645
            conn->screenbuffer.is_cursor_visible = arg1;
1575 cejka 646
            if (consnum == active_console)
647
                curs_visibility(arg1);
648
            break;
4377 svoboda 649
        case CONSOLE_GETKEY:
1592 palkovsky 650
            if (keybuffer_empty(&conn->keybuffer)) {
1481 cejka 651
                /* buffer is empty -> store request */
2025 jermar 652
                if (conn->keyrequest_counter <
653
                    MAX_KEYREQUESTS_BUFFERED) {
1592 palkovsky 654
                    fifo_push(conn->keyrequests, callid);
655
                    conn->keyrequest_counter++;
1481 cejka 656
                } else {
2025 jermar 657
                    /*
658
                     * No key available and too many
659
                     * requests => fail.
660
                    */
2619 jermar 661
                    ipc_answer_0(callid, ELIMIT);
1481 cejka 662
                }
663
                continue;
2025 jermar 664
            }
4377 svoboda 665
            kbd_event_t ev;
666
            keybuffer_pop(&conn->keybuffer, &ev);
667
            arg1 = ev.type;
668
            arg2 = ev.key;
669
            arg3 = ev.mods;
670
            arg4 = ev.c;
1453 palkovsky 671
            break;
4377 svoboda 672
        case CONSOLE_KCON_ENABLE:
673
            change_console(KERNEL_CONSOLE);
674
            break;
1453 palkovsky 675
        }
4377 svoboda 676
        ipc_answer_4(callid, EOK, arg1, arg2, arg3, arg4);
1453 palkovsky 677
    }
678
}
679
 
4377 svoboda 680
static void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
681
{
682
    change_console(prev_console);
683
}
684
 
1453 palkovsky 685
int main(int argc, char *argv[])
686
{
3424 svoboda 687
    printf(NAME ": HelenOS Console service\n");
688
 
1453 palkovsky 689
    ipcarg_t phonehash;
4377 svoboda 690
    size_t ib_size;
1451 cejka 691
    int i;
4377 svoboda 692
 
1490 palkovsky 693
    async_set_client_connection(client_connection);
1445 cejka 694
 
695
    /* Connect to keyboard driver */
4377 svoboda 696
    kbd_phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
697
    if (kbd_phone < 0) {
698
        printf(NAME ": Failed to connect to keyboard service\n");
699
        return -1;
2025 jermar 700
    }
1445 cejka 701
 
4377 svoboda 702
    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0) {
703
        printf(NAME ": Failed to create callback from keyboard service\n");
1445 cejka 704
        return -1;
4377 svoboda 705
    }
706
 
1689 palkovsky 707
    async_new_connection(phonehash, 0, NULL, keyboard_events);
708
 
1445 cejka 709
    /* Connect to framebuffer driver */
4377 svoboda 710
    fb_info.phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_VIDEO, 0, 0);
711
    if (fb_info.phone < 0) {
712
        printf(NAME ": Failed to connect to video service\n");
713
        return -1;
1487 cejka 714
    }
1552 palkovsky 715
 
4377 svoboda 716
    /* Disable kernel output to the console */
717
    __SYSCALL0(SYS_DEBUG_DISABLE_CONSOLE);
718
 
1522 palkovsky 719
    /* Initialize gcons */
720
    gcons_init(fb_info.phone);
721
    /* Synchronize, the gcons can have something in queue */
2621 jermar 722
    async_req_0_0(fb_info.phone, FB_FLUSH);
1487 cejka 723
 
2621 jermar 724
    async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.rows,
2539 jermar 725
        &fb_info.cols);
4377 svoboda 726
    set_rgb_color(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
1552 palkovsky 727
    clrscr();
1487 cejka 728
 
729
    /* Init virtual consoles */
1451 cejka 730
    for (i = 0; i < CONSOLE_COUNT; i++) {
731
        connections[i].used = 0;
2539 jermar 732
        keybuffer_init(&connections[i].keybuffer);
1481 cejka 733
 
2539 jermar 734
        connections[i].keyrequests.head = 0;
735
        connections[i].keyrequests.tail = 0;
1481 cejka 736
        connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
737
        connections[i].keyrequest_counter = 0;
1487 cejka 738
 
2539 jermar 739
        if (screenbuffer_init(&connections[i].screenbuffer,
740
            fb_info.cols, fb_info.rows) == NULL) {
2069 jermar 741
            /* FIXME: handle error */
1487 cejka 742
            return -1;
743
        }
1451 cejka 744
    }
1574 palkovsky 745
    connections[KERNEL_CONSOLE].used = 1;
4377 svoboda 746
 
747
    /* Set up shared memory buffer. */
748
    ib_size = sizeof(keyfield_t) * fb_info.cols * fb_info.rows;
749
    interbuffer = as_get_mappable_page(ib_size);
750
 
751
    fb_pending.n = 0;
752
 
753
    if (as_area_create(interbuffer, ib_size, AS_AREA_READ |
754
        AS_AREA_WRITE | AS_AREA_CACHEABLE) != interbuffer) {
755
        interbuffer = NULL;
756
    }
757
 
758
    if (interbuffer) {
2678 jermar 759
        if (ipc_share_out_start(fb_info.phone, interbuffer,
2677 jermar 760
            AS_AREA_READ) != EOK) {
4377 svoboda 761
            as_area_destroy(interbuffer);
1512 cejka 762
            interbuffer = NULL;
763
        }
764
    }
4377 svoboda 765
 
2069 jermar 766
    curs_goto(0, 0);
2539 jermar 767
    curs_visibility(
768
        connections[active_console].screenbuffer.is_cursor_visible);
4377 svoboda 769
 
1518 palkovsky 770
    /* Register at NS */
3424 svoboda 771
    if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, 0, &phonehash) != 0)
1445 cejka 772
        return -1;
773
 
4377 svoboda 774
    /* Receive kernel notifications */
775
    if (event_subscribe(EVENT_KCONSOLE, 0) != EOK)
776
        printf(NAME ": Error registering kconsole notifications\n");
777
 
778
    async_set_interrupt_received(interrupt_received);
779
 
3424 svoboda 780
    // FIXME: avoid connectiong to itself, keep using klog
781
    // printf(NAME ": Accepting connections\n");
1453 palkovsky 782
    async_manager();
4377 svoboda 783
 
784
    return 0;
785
}
1451 cejka 786
 
1649 cejka 787
/** @}
788
 */