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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>
3924 svoboda 38
#include <kbd.h>
3923 svoboda 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>
3747 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>
3084 decky 50
#include <stdio.h>
3761 decky 51
#include <sysinfo.h>
1445 cejka 52
 
3767 svoboda 53
#include "console.h"
1522 palkovsky 54
#include "gcons.h"
55
 
1481 cejka 56
#define MAX_KEYREQUESTS_BUFFERED 32
1451 cejka 57
 
3084 decky 58
#define NAME "console"
1445 cejka 59
 
1526 cejka 60
/** Index of currently used virtual console.
61
 */
1512 cejka 62
int active_console = 0;
3761 decky 63
int prev_console = 0;
1453 palkovsky 64
 
4167 svoboda 65
/** Information about framebuffer */
1487 cejka 66
struct {
67
    int phone;      /**< Framebuffer phone */
1506 cejka 68
    ipcarg_t rows;      /**< Framebuffer rows */
69
    ipcarg_t cols;      /**< Framebuffer columns */
1487 cejka 70
} fb_info;
71
 
1451 cejka 72
typedef struct {
1526 cejka 73
    keybuffer_t keybuffer;      /**< Buffer for incoming keys. */
2025 jermar 74
    /** Buffer for unsatisfied request for keys. */
75
    FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
76
        MAX_KEYREQUESTS_BUFFERED); 
1526 cejka 77
    int keyrequest_counter;     /**< Number of requests in buffer. */
78
    int client_phone;       /**< Phone to connected client. */
2025 jermar 79
    int used;           /**< 1 if this virtual console is
80
                     * connected to some client.*/
81
    screenbuffer_t screenbuffer;    /**< Screenbuffer for saving screen
82
                     * contents and related settings. */
1451 cejka 83
} connection_t;
84
 
2025 jermar 85
static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
86
                         * consoles */
87
static keyfield_t *interbuffer = NULL;      /**< Pointer to memory shared
88
                         * with framebufer used for
89
                         * faster virtual console
2069 jermar 90
                         * switching */
1506 cejka 91
 
4167 svoboda 92
/** Information on row-span yet unsent to FB driver. */
93
struct {
94
    int row;        /**< Row where the span lies. */
95
    int col;        /**< Leftmost column of the span. */
96
    int n;          /**< Width of the span. */
97
} fb_pending;
1506 cejka 98
 
4164 svoboda 99
/** Size of cwrite_buf. */
100
#define CWRITE_BUF_SIZE 256
101
 
102
/** Buffer for receiving data via the CONSOLE_WRITE call from the client. */
103
static char cwrite_buf[CWRITE_BUF_SIZE];
104
 
4167 svoboda 105
static void fb_putchar(char c, int row, int col);
4164 svoboda 106
 
4167 svoboda 107
 
1526 cejka 108
/** Find unused virtual console.
109
 *
110
 */
1574 palkovsky 111
static int find_free_connection(void)
1451 cejka 112
{
2069 jermar 113
    int i;
1451 cejka 114
 
2069 jermar 115
    for (i = 0; i < CONSOLE_COUNT; i++) {
1574 palkovsky 116
        if (!connections[i].used)
1451 cejka 117
            return i;
118
    }
1574 palkovsky 119
    return -1;
1451 cejka 120
}
121
 
1552 palkovsky 122
static void clrscr(void)
123
{
2621 jermar 124
    async_msg_0(fb_info.phone, FB_CLEAR);
1552 palkovsky 125
}
126
 
3735 decky 127
static void curs_visibility(bool visible)
1552 palkovsky 128
{
3735 decky 129
    async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);
1552 palkovsky 130
}
131
 
3735 decky 132
static void curs_hide_sync(void)
133
{
134
    ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);
135
}
136
 
1552 palkovsky 137
static void curs_goto(int row, int col)
138
{
1610 palkovsky 139
    async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
1552 palkovsky 140
}
141
 
3767 svoboda 142
static void set_style(int style)
1552 palkovsky 143
{
3767 svoboda 144
    async_msg_1(fb_info.phone, FB_SET_STYLE, style);
1552 palkovsky 145
}
146
 
3767 svoboda 147
static void set_color(int fgcolor, int bgcolor, int flags)
1552 palkovsky 148
{
3767 svoboda 149
    async_msg_3(fb_info.phone, FB_SET_COLOR, fgcolor, bgcolor, flags);
1552 palkovsky 150
}
151
 
3767 svoboda 152
static void set_rgb_color(int fgcolor, int bgcolor)
153
{
154
    async_msg_2(fb_info.phone, FB_SET_RGB_COLOR, fgcolor, bgcolor);
155
}
156
 
157
static void set_attrs(attrs_t *attrs)
158
{
159
    switch (attrs->t) {
160
    case at_style:
161
        set_style(attrs->a.s.style);
162
        break;
163
 
164
    case at_idx:
165
        set_color(attrs->a.i.fg_color, attrs->a.i.bg_color,
166
            attrs->a.i.flags);
167
        break;
168
 
169
    case at_rgb:
170
        set_rgb_color(attrs->a.r.fg_color, attrs->a.r.bg_color);
171
        break;
172
    }
173
}
174
 
4167 svoboda 175
/** Send an area of screenbuffer to the FB driver. */
176
static void fb_update_area(connection_t *conn, int x, int y, int w, int h)
4164 svoboda 177
{
4167 svoboda 178
    int i, j;
179
    int rc;
180
    attrs_t *attrs;
181
    keyfield_t *field;
4164 svoboda 182
 
4167 svoboda 183
    if (interbuffer) {
184
        for (j = 0; j < h; j++) {
185
            for (i = 0; i < w; i++) {
186
                interbuffer[i + j * w] =
187
                    *get_field_at(&conn->screenbuffer,
188
                    x + i, y + j);
189
            }
190
        }
4164 svoboda 191
 
4167 svoboda 192
        rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
193
            x, y, w, h);
194
    } else {
195
        rc = ENOTSUP;
4164 svoboda 196
    }
197
 
4167 svoboda 198
    if (rc != 0) {
199
        attrs = &conn->screenbuffer.attrs;
4164 svoboda 200
 
4167 svoboda 201
        for (j = 0; j < h; j++) {
202
            for (i = 0; i < w; i++) {
203
                field = get_field_at(&conn->screenbuffer,
204
                    x + i, y + j);
205
                if (!attrs_same(*attrs, field->attrs))
206
                    set_attrs(&field->attrs);
207
                attrs = &field->attrs;
208
 
209
                fb_putchar(field->character, y + j, x + i);
210
            }
211
        }
212
    }
4164 svoboda 213
}
214
 
4167 svoboda 215
/** Flush pending cells to FB. */
216
static void fb_pending_flush(void)
4164 svoboda 217
{
218
    screenbuffer_t *scr;
219
 
4167 svoboda 220
    scr = &(connections[active_console].screenbuffer);
4164 svoboda 221
 
4167 svoboda 222
    if (fb_pending.n > 0) {
223
        fb_update_area(&connections[active_console], fb_pending.col,
224
            fb_pending.row, fb_pending.n, 1);
225
        fb_pending.n = 0;
4164 svoboda 226
    }
227
}
228
 
4167 svoboda 229
/** Mark a character cell as changed.
230
 *
231
 * This adds the cell to the pending rowspan if possible. Otherwise
232
 * the old span is flushed first.
233
 */
234
static void cell_mark_changed(int row, int col)
1552 palkovsky 235
{
4167 svoboda 236
    if (fb_pending.n != 0) {
237
        if (row != fb_pending.row ||
238
            col != fb_pending.col + fb_pending.n) {
239
            fb_pending_flush();
240
        }
241
    }
4164 svoboda 242
 
4167 svoboda 243
    if (fb_pending.n == 0) {
244
        fb_pending.row = row;
245
        fb_pending.col = col;
4164 svoboda 246
    }
247
 
4167 svoboda 248
    ++fb_pending.n;
1552 palkovsky 249
}
250
 
4167 svoboda 251
 
252
/** Print a character to the active VC with buffering. */
253
static void fb_putchar(char c, int row, int col)
254
{
255
    async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
256
}
257
 
258
/** Process a character from the client (TTY emulation). */
1497 cejka 259
static void write_char(int console, char key)
260
{
4164 svoboda 261
    bool flush_cursor = false;
1497 cejka 262
    screenbuffer_t *scr = &(connections[console].screenbuffer);
4164 svoboda 263
 
1497 cejka 264
    switch (key) {
2025 jermar 265
    case '\n':
4167 svoboda 266
        fb_pending_flush();
4164 svoboda 267
        flush_cursor = true;
2069 jermar 268
        scr->position_y++;
269
        scr->position_x = 0;
2025 jermar 270
        break;
271
    case '\r':
272
        break;
273
    case '\t':
274
        scr->position_x += 8;
275
        scr->position_x -= scr->position_x % 8;
276
        break;
277
    case '\b':
278
        if (scr->position_x == 0)
1497 cejka 279
            break;
2025 jermar 280
        scr->position_x--;
281
        if (console == active_console)
4167 svoboda 282
            cell_mark_changed(scr->position_y, scr->position_x);
2025 jermar 283
        screenbuffer_putchar(scr, ' ');
284
        break;
285
    default:   
286
        if (console == active_console)
4167 svoboda 287
            cell_mark_changed(scr->position_y, scr->position_x);
1497 cejka 288
 
2025 jermar 289
        screenbuffer_putchar(scr, key);
290
        scr->position_x++;
1497 cejka 291
    }
4164 svoboda 292
 
293
    if (scr->position_x >= scr->size_x) {
294
        flush_cursor = true;
295
        scr->position_y++;
296
    }
1497 cejka 297
 
298
    if (scr->position_y >= scr->size_y) {
4167 svoboda 299
        fb_pending_flush();
1497 cejka 300
        scr->position_y = scr->size_y - 1;
1674 palkovsky 301
        screenbuffer_clear_line(scr, scr->top_line);
2069 jermar 302
        scr->top_line = (scr->top_line + 1) % scr->size_y;
1518 palkovsky 303
        if (console == active_console)
2621 jermar 304
            async_msg_1(fb_info.phone, FB_SCROLL, 1);
1497 cejka 305
    }
4164 svoboda 306
 
1497 cejka 307
    scr->position_x = scr->position_x % scr->size_x;
4164 svoboda 308
 
309
    if (console == active_console && flush_cursor)
1552 palkovsky 310
        curs_goto(scr->position_y, scr->position_x);
1497 cejka 311
}
312
 
1552 palkovsky 313
/** Switch to new console */
314
static void change_console(int newcons)
315
{
316
    connection_t *conn;
1673 palkovsky 317
    int i, j, rc;
1578 cejka 318
    keyfield_t *field;
3767 svoboda 319
    attrs_t *attrs;
3707 decky 320
 
1552 palkovsky 321
    if (newcons == active_console)
322
        return;
4164 svoboda 323
 
4167 svoboda 324
    fb_pending_flush();
4164 svoboda 325
 
1555 palkovsky 326
    if (newcons == KERNEL_CONSOLE) {
3707 decky 327
        async_serialize_start();
3735 decky 328
        curs_hide_sync();
3707 decky 329
        gcons_in_kernel();
330
        async_serialize_end();
331
 
3761 decky 332
        if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) {
333
            prev_console = active_console;
3707 decky 334
            active_console = KERNEL_CONSOLE;
3761 decky 335
        } else
3735 decky 336
            newcons = active_console;
3707 decky 337
    }
338
 
339
    if (newcons != KERNEL_CONSOLE) {
340
        async_serialize_start();
341
 
1555 palkovsky 342
        if (active_console == KERNEL_CONSOLE)
3707 decky 343
            gcons_redraw_console();
344
 
345
        active_console = newcons;
346
        gcons_change_console(newcons);
347
        conn = &connections[active_console];
348
 
3767 svoboda 349
        set_attrs(&conn->screenbuffer.attrs);
3735 decky 350
        curs_visibility(false);
3707 decky 351
        if (interbuffer) {
4167 svoboda 352
            for (j = 0; j < conn->screenbuffer.size_y; j++) {
353
                for (i = 0; i < conn->screenbuffer.size_x; i++) {
3707 decky 354
                    unsigned int size_x;
355
 
356
                    size_x = conn->screenbuffer.size_x;
4167 svoboda 357
                    interbuffer[j * size_x + i] =
3707 decky 358
                        *get_field_at(&conn->screenbuffer, i, j);
359
                }
4167 svoboda 360
            }
3707 decky 361
            /* This call can preempt, but we are already at the end */
4167 svoboda 362
            rc = async_req_4_0(fb_info.phone, FB_DRAW_TEXT_DATA,
363
                0, 0, conn->screenbuffer.size_x,
364
                conn->screenbuffer.size_y);
3707 decky 365
        }
366
 
367
        if ((!interbuffer) || (rc != 0)) {
3767 svoboda 368
            set_attrs(&conn->screenbuffer.attrs);
1552 palkovsky 369
            clrscr();
3767 svoboda 370
            attrs = &conn->screenbuffer.attrs;
3707 decky 371
 
3761 decky 372
            for (j = 0; j < conn->screenbuffer.size_y; j++)
3707 decky 373
                for (i = 0; i < conn->screenbuffer.size_x; i++) {
374
                    field = get_field_at(&conn->screenbuffer, i, j);
3767 svoboda 375
                    if (!attrs_same(*attrs, field->attrs))
376
                        set_attrs(&field->attrs);
377
                    attrs = &field->attrs;
3707 decky 378
                    if ((field->character == ' ') &&
3767 svoboda 379
                        (attrs_same(field->attrs,
380
                        conn->screenbuffer.attrs)))
3707 decky 381
                        continue;
3767 svoboda 382
 
4167 svoboda 383
                    fb_putchar(field->character, j, i);
3707 decky 384
                }
1552 palkovsky 385
        }
3707 decky 386
 
387
        curs_goto(conn->screenbuffer.position_y,
388
            conn->screenbuffer.position_x);
389
        curs_visibility(conn->screenbuffer.is_cursor_visible);
390
 
1717 palkovsky 391
        async_serialize_end();
1552 palkovsky 392
    }
393
}
394
 
1526 cejka 395
/** Handler for keyboard */
1453 palkovsky 396
static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
1445 cejka 397
{
1453 palkovsky 398
    ipc_callid_t callid;
1445 cejka 399
    ipc_call_t call;
1453 palkovsky 400
    int retval;
3905 svoboda 401
    kbd_event_t ev;
1489 palkovsky 402
    connection_t *conn;
1717 palkovsky 403
    int newcon;
1506 cejka 404
 
1453 palkovsky 405
    /* Ignore parameters, the connection is alread opened */
406
    while (1) {
407
        callid = async_get_call(&call);
408
        switch (IPC_GET_METHOD(call)) {
409
        case IPC_M_PHONE_HUNGUP:
410
            /* TODO: Handle hangup */
411
            return;
1717 palkovsky 412
        case KBD_MS_LEFT:
413
            newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
414
            if (newcon != -1)
415
                change_console(newcon);
1721 palkovsky 416
            retval = 0;
1717 palkovsky 417
            break;
1707 palkovsky 418
        case KBD_MS_MOVE:
2025 jermar 419
            gcons_mouse_move(IPC_GET_ARG1(call),
2539 jermar 420
                IPC_GET_ARG2(call));
1721 palkovsky 421
            retval = 0;
1707 palkovsky 422
            break;
3905 svoboda 423
        case KBD_EVENT:
424
            /* Got event from keyboard driver. */
1453 palkovsky 425
            retval = 0;
3905 svoboda 426
            ev.type = IPC_GET_ARG1(call);
427
            ev.key = IPC_GET_ARG2(call);
428
            ev.mods = IPC_GET_ARG3(call);
429
            ev.c = IPC_GET_ARG4(call);
430
 
1453 palkovsky 431
            /* switch to another virtual console */
1481 cejka 432
 
1489 palkovsky 433
            conn = &connections[active_console];
3905 svoboda 434
 
3923 svoboda 435
            if ((ev.key >= KC_F1) && (ev.key < KC_F1 +
3905 svoboda 436
                CONSOLE_COUNT)) {
3923 svoboda 437
                if (ev.key == KC_F12)
1555 palkovsky 438
                    change_console(KERNEL_CONSOLE);
1552 palkovsky 439
                else
3923 svoboda 440
                    change_console(ev.key - KC_F1);
1453 palkovsky 441
                break;
442
            }
1481 cejka 443
 
444
            /* if client is awaiting key, send it */
1489 palkovsky 445
            if (conn->keyrequest_counter > 0) {    
446
                conn->keyrequest_counter--;
3905 svoboda 447
                ipc_answer_4(fifo_pop(conn->keyrequests), EOK,
448
                    ev.type, ev.key, ev.mods, ev.c);
1481 cejka 449
                break;
450
            }
3905 svoboda 451
 
452
            keybuffer_push(&conn->keybuffer, &ev);
1721 palkovsky 453
            retval = 0;
3905 svoboda 454
 
1453 palkovsky 455
            break;
456
        default:
1459 palkovsky 457
            retval = ENOENT;
1610 palkovsky 458
        }
2619 jermar 459
        ipc_answer_0(callid, retval);
1453 palkovsky 460
    }
461
}
462
 
4164 svoboda 463
/** Handle CONSOLE_WRITE call. */
464
static void cons_write(int consnum, ipc_callid_t rid, ipc_call_t *request)
465
{
466
    ipc_callid_t callid;
467
    size_t len;
468
    size_t i;
469
 
470
    if (!ipc_data_write_receive(&callid, &len)) {
471
        ipc_answer_0(callid, EINVAL);
472
        ipc_answer_0(rid, EINVAL);
473
    }
474
 
475
    if (len > CWRITE_BUF_SIZE)
476
        len = CWRITE_BUF_SIZE;
477
 
478
    (void) ipc_data_write_finalize(callid, cwrite_buf, len);
479
 
480
    for (i = 0; i < len; i++) {
481
        write_char(consnum, cwrite_buf[i]);
482
    }
483
 
484
    gcons_notify_char(consnum);
485
    ipc_answer_1(rid, EOK, len);
486
}
487
 
1453 palkovsky 488
/** Default thread for new connections */
1518 palkovsky 489
static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
1453 palkovsky 490
{
1445 cejka 491
    ipc_callid_t callid;
1453 palkovsky 492
    ipc_call_t call;
493
    int consnum;
3905 svoboda 494
    ipcarg_t arg1, arg2, arg3, arg4;
1592 palkovsky 495
    connection_t *conn;
4167 svoboda 496
    screenbuffer_t *scr;
3761 decky 497
 
1574 palkovsky 498
    if ((consnum = find_free_connection()) == -1) {
2619 jermar 499
        ipc_answer_0(iid, ELIMIT);
1453 palkovsky 500
        return;
501
    }
1592 palkovsky 502
    conn = &connections[consnum];
1610 palkovsky 503
    conn->used = 1;
1555 palkovsky 504
 
1610 palkovsky 505
    async_serialize_start();
1555 palkovsky 506
    gcons_notify_connect(consnum);
2637 cejka 507
    conn->client_phone = IPC_GET_ARG5(*icall);
1592 palkovsky 508
    screenbuffer_clear(&conn->screenbuffer);
1497 cejka 509
 
1453 palkovsky 510
    /* Accept the connection */
2619 jermar 511
    ipc_answer_0(iid, EOK);
3761 decky 512
 
1453 palkovsky 513
    while (1) {
1610 palkovsky 514
        async_serialize_end();
1453 palkovsky 515
        callid = async_get_call(&call);
1610 palkovsky 516
        async_serialize_start();
3761 decky 517
 
2566 jermar 518
        arg1 = 0;
519
        arg2 = 0;
3905 svoboda 520
        arg3 = 0;
521
        arg4 = 0;
522
 
1453 palkovsky 523
        switch (IPC_GET_METHOD(call)) {
524
        case IPC_M_PHONE_HUNGUP:
1592 palkovsky 525
            gcons_notify_disconnect(consnum);
1610 palkovsky 526
 
1592 palkovsky 527
            /* Answer all pending requests */
3761 decky 528
            while (conn->keyrequest_counter > 0) {
1592 palkovsky 529
                conn->keyrequest_counter--;
2619 jermar 530
                ipc_answer_0(fifo_pop(conn->keyrequests),
531
                    ENOENT);
1592 palkovsky 532
                break;
533
            }
1616 palkovsky 534
            conn->used = 0;
1453 palkovsky 535
            return;
536
        case CONSOLE_PUTCHAR:
1497 cejka 537
            write_char(consnum, IPC_GET_ARG1(call));
1528 palkovsky 538
            gcons_notify_char(consnum);
1453 palkovsky 539
            break;
4164 svoboda 540
        case CONSOLE_WRITE:
541
            cons_write(consnum, callid, &call);
542
            continue;
1476 cejka 543
        case CONSOLE_CLEAR:
1487 cejka 544
            /* Send message to fb */
545
            if (consnum == active_console) {
2621 jermar 546
                async_msg_0(fb_info.phone, FB_CLEAR);
1487 cejka 547
            }
548
 
1592 palkovsky 549
            screenbuffer_clear(&conn->screenbuffer);
1487 cejka 550
 
1476 cejka 551
            break;
552
        case CONSOLE_GOTO:
2025 jermar 553
            screenbuffer_goto(&conn->screenbuffer,
2539 jermar 554
                IPC_GET_ARG2(call), IPC_GET_ARG1(call));
1567 palkovsky 555
            if (consnum == active_console)
2025 jermar 556
                curs_goto(IPC_GET_ARG1(call),
2539 jermar 557
                    IPC_GET_ARG2(call));
1476 cejka 558
            break;
1521 cejka 559
        case CONSOLE_GETSIZE:
1528 palkovsky 560
            arg1 = fb_info.rows;
561
            arg2 = fb_info.cols;
1521 cejka 562
            break;
1523 cejka 563
        case CONSOLE_FLUSH:
4167 svoboda 564
            fb_pending_flush();
565
            if (consnum == active_console) {
2621 jermar 566
                async_req_0_0(fb_info.phone, FB_FLUSH);
4167 svoboda 567
 
568
                scr = &(connections[consnum].screenbuffer);
569
                curs_goto(scr->position_y, scr->position_x);
570
            }
1523 cejka 571
            break;
1525 cejka 572
        case CONSOLE_SET_STYLE:
4167 svoboda 573
            fb_pending_flush();
1525 cejka 574
            arg1 = IPC_GET_ARG1(call);
3767 svoboda 575
            screenbuffer_set_style(&conn->screenbuffer, arg1);
576
            if (consnum == active_console)
577
                set_style(arg1);
578
            break;
579
        case CONSOLE_SET_COLOR:
4167 svoboda 580
            fb_pending_flush();
3767 svoboda 581
            arg1 = IPC_GET_ARG1(call);
1525 cejka 582
            arg2 = IPC_GET_ARG2(call);
3767 svoboda 583
            arg3 = IPC_GET_ARG3(call);
584
            screenbuffer_set_color(&conn->screenbuffer, arg1,
585
                arg2, arg3);
586
            if (consnum == active_console)
587
                set_color(arg1, arg2, arg3);
588
            break;
589
        case CONSOLE_SET_RGB_COLOR:
4167 svoboda 590
            fb_pending_flush();
3767 svoboda 591
            arg1 = IPC_GET_ARG1(call);
592
            arg2 = IPC_GET_ARG2(call);
593
            screenbuffer_set_rgb_color(&conn->screenbuffer, arg1,
2539 jermar 594
                arg2);
1525 cejka 595
            if (consnum == active_console)
3767 svoboda 596
                set_rgb_color(arg1, arg2);
1525 cejka 597
            break;
1575 cejka 598
        case CONSOLE_CURSOR_VISIBILITY:
4167 svoboda 599
            fb_pending_flush();
1575 cejka 600
            arg1 = IPC_GET_ARG1(call);
1592 palkovsky 601
            conn->screenbuffer.is_cursor_visible = arg1;
1575 cejka 602
            if (consnum == active_console)
603
                curs_visibility(arg1);
604
            break;
3905 svoboda 605
        case CONSOLE_GETKEY:
1592 palkovsky 606
            if (keybuffer_empty(&conn->keybuffer)) {
1481 cejka 607
                /* buffer is empty -> store request */
2025 jermar 608
                if (conn->keyrequest_counter <
609
                    MAX_KEYREQUESTS_BUFFERED) {
1592 palkovsky 610
                    fifo_push(conn->keyrequests, callid);
611
                    conn->keyrequest_counter++;
1481 cejka 612
                } else {
2025 jermar 613
                    /*
614
                     * No key available and too many
615
                     * requests => fail.
616
                    */
2619 jermar 617
                    ipc_answer_0(callid, ELIMIT);
1481 cejka 618
                }
619
                continue;
2025 jermar 620
            }
3905 svoboda 621
            kbd_event_t ev;
622
            keybuffer_pop(&conn->keybuffer, &ev);
623
            arg1 = ev.type;
624
            arg2 = ev.key;
625
            arg3 = ev.mods;
626
            arg4 = ev.c;
1453 palkovsky 627
            break;
4168 svoboda 628
        case CONSOLE_KCON_ENABLE:
629
            change_console(KERNEL_CONSOLE);
630
            break;
1453 palkovsky 631
        }
3905 svoboda 632
        ipc_answer_4(callid, EOK, arg1, arg2, arg3, arg4);
1453 palkovsky 633
    }
634
}
635
 
3761 decky 636
static void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
637
{
638
    change_console(prev_console);
639
}
640
 
1453 palkovsky 641
int main(int argc, char *argv[])
642
{
3084 decky 643
    printf(NAME ": HelenOS Console service\n");
644
 
1453 palkovsky 645
    ipcarg_t phonehash;
1721 palkovsky 646
    int kbd_phone;
3791 svoboda 647
    size_t ib_size;
1451 cejka 648
    int i;
3761 decky 649
 
1490 palkovsky 650
    async_set_client_connection(client_connection);
1445 cejka 651
 
652
    /* Connect to keyboard driver */
4004 decky 653
    kbd_phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
654
    if (kbd_phone < 0) {
655
        printf(NAME ": Failed to connect to keyboard service\n");
656
        return -1;
2025 jermar 657
    }
1445 cejka 658
 
4004 decky 659
    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0) {
660
        printf(NAME ": Failed to create callback from keyboard service\n");
1445 cejka 661
        return -1;
4004 decky 662
    }
663
 
1689 palkovsky 664
    async_new_connection(phonehash, 0, NULL, keyboard_events);
665
 
1445 cejka 666
    /* Connect to framebuffer driver */
4004 decky 667
    fb_info.phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_VIDEO, 0, 0);
668
    if (fb_info.phone < 0) {
669
        printf(NAME ": Failed to connect to video service\n");
670
        return -1;
1487 cejka 671
    }
1552 palkovsky 672
 
3844 decky 673
    /* Disable kernel output to the console */
674
    __SYSCALL0(SYS_DEBUG_DISABLE_CONSOLE);
675
 
1522 palkovsky 676
    /* Initialize gcons */
677
    gcons_init(fb_info.phone);
678
    /* Synchronize, the gcons can have something in queue */
2621 jermar 679
    async_req_0_0(fb_info.phone, FB_FLUSH);
1487 cejka 680
 
2621 jermar 681
    async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.rows,
2539 jermar 682
        &fb_info.cols);
3767 svoboda 683
    set_rgb_color(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
1552 palkovsky 684
    clrscr();
1487 cejka 685
 
686
    /* Init virtual consoles */
1451 cejka 687
    for (i = 0; i < CONSOLE_COUNT; i++) {
688
        connections[i].used = 0;
2539 jermar 689
        keybuffer_init(&connections[i].keybuffer);
1481 cejka 690
 
2539 jermar 691
        connections[i].keyrequests.head = 0;
692
        connections[i].keyrequests.tail = 0;
1481 cejka 693
        connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
694
        connections[i].keyrequest_counter = 0;
1487 cejka 695
 
2539 jermar 696
        if (screenbuffer_init(&connections[i].screenbuffer,
697
            fb_info.cols, fb_info.rows) == NULL) {
2069 jermar 698
            /* FIXME: handle error */
1487 cejka 699
            return -1;
700
        }
1451 cejka 701
    }
1574 palkovsky 702
    connections[KERNEL_CONSOLE].used = 1;
3791 svoboda 703
 
704
    /* Set up shared memory buffer. */
705
    ib_size = sizeof(keyfield_t) * fb_info.cols * fb_info.rows;
706
    interbuffer = as_get_mappable_page(ib_size);
707
 
4167 svoboda 708
    fb_pending.n = 0;
709
 
3791 svoboda 710
    if (as_area_create(interbuffer, ib_size, AS_AREA_READ |
711
        AS_AREA_WRITE | AS_AREA_CACHEABLE) != interbuffer) {
712
        interbuffer = NULL;
713
    }
714
 
715
    if (interbuffer) {
2678 jermar 716
        if (ipc_share_out_start(fb_info.phone, interbuffer,
2677 jermar 717
            AS_AREA_READ) != EOK) {
3791 svoboda 718
            as_area_destroy(interbuffer);
1512 cejka 719
            interbuffer = NULL;
720
        }
721
    }
3761 decky 722
 
2069 jermar 723
    curs_goto(0, 0);
2539 jermar 724
    curs_visibility(
725
        connections[active_console].screenbuffer.is_cursor_visible);
3761 decky 726
 
1518 palkovsky 727
    /* Register at NS */
3084 decky 728
    if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, 0, &phonehash) != 0)
1445 cejka 729
        return -1;
730
 
3761 decky 731
    /* Receive kernel notifications */
4148 decky 732
//  if (sysinfo_value("kconsole.present")) {
733
//      int inr = sysinfo_value("kconsole.inr");
734
//      if (ipc_register_irq(inr, device_assign_devno(), 0, NULL) != EOK)
735
//          printf(NAME ": Error registering kconsole notifications\n");
736
//      
737
//      async_set_interrupt_received(interrupt_received);
738
//  }
3761 decky 739
 
3084 decky 740
    // FIXME: avoid connectiong to itself, keep using klog
741
    // printf(NAME ": Accepting connections\n");
1453 palkovsky 742
    async_manager();
3761 decky 743
 
744
    return 0;
1445 cejka 745
}
3844 decky 746
 
1649 cejka 747
/** @}
748
 */