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1
/*
1
/*
2
 * Copyright (C) 2006 Josef Cejka
2
 * Copyright (C) 2006 Josef Cejka
3
 * All rights reserved.
3
 * All rights reserved.
4
 *
4
 *
5
 * Redistribution and use in source and binary forms, with or without
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
6
 * modification, are permitted provided that the following conditions
7
 * are met:
7
 * are met:
8
 *
8
 *
9
 * - Redistributions of source code must retain the above copyright
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
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
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.
15
 *   derived from this software without specific prior written permission.
16
 *
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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
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.
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
27
 */
28
 
28
 
29
/** @addtogroup console
29
/** @addtogroup console
30
 * @{
30
 * @{
31
 */
31
 */
32
/** @file
32
/** @file
33
 */
33
 */
34
 
34
 
35
/* TODO: remove */
35
/* TODO: remove */
36
#include <stdio.h>
36
#include <stdio.h>
37
 
37
 
38
#include <fb.h>
38
#include <fb.h>
39
#include <ipc/ipc.h>
39
#include <ipc/ipc.h>
40
#include <keys.h>
40
#include <keys.h>
41
#include <ipc/fb.h>
41
#include <ipc/fb.h>
42
#include <ipc/services.h>
42
#include <ipc/services.h>
43
#include <errno.h>
43
#include <errno.h>
44
#include <key_buffer.h>
44
#include <key_buffer.h>
45
#include <console.h>
45
#include <console.h>
46
#include <unistd.h>
46
#include <unistd.h>
47
#include <async.h>
47
#include <async.h>
48
#include <libadt/fifo.h>
48
#include <libadt/fifo.h>
49
#include <screenbuffer.h>
49
#include <screenbuffer.h>
50
#include <sys/mman.h>
50
#include <sys/mman.h>
51
 
51
 
52
#include "gcons.h"
52
#include "gcons.h"
53
 
53
 
54
#define MAX_KEYREQUESTS_BUFFERED 32
54
#define MAX_KEYREQUESTS_BUFFERED 32
55
 
55
 
56
#define NAME "CONSOLE"
56
#define NAME "CONSOLE"
57
 
57
 
58
/** Index of currently used virtual console.
58
/** Index of currently used virtual console.
59
 */
59
 */
60
int active_console = 0;
60
int active_console = 0;
61
 
61
 
62
/** Information about framebuffer
62
/** Information about framebuffer
63
 */
63
 */
64
struct {
64
struct {
65
    int phone;      /**< Framebuffer phone */
65
    int phone;      /**< Framebuffer phone */
66
    ipcarg_t rows;      /**< Framebuffer rows */
66
    ipcarg_t rows;      /**< Framebuffer rows */
67
    ipcarg_t cols;      /**< Framebuffer columns */
67
    ipcarg_t cols;      /**< Framebuffer columns */
68
} fb_info;
68
} fb_info;
69
 
69
 
70
 
70
 
71
typedef struct {
71
typedef struct {
72
    keybuffer_t keybuffer;      /**< Buffer for incoming keys. */
72
    keybuffer_t keybuffer;      /**< Buffer for incoming keys. */
73
    /** Buffer for unsatisfied request for keys. */
73
    /** Buffer for unsatisfied request for keys. */
74
    FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
74
    FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
75
        MAX_KEYREQUESTS_BUFFERED); 
75
        MAX_KEYREQUESTS_BUFFERED); 
76
    int keyrequest_counter;     /**< Number of requests in buffer. */
76
    int keyrequest_counter;     /**< Number of requests in buffer. */
77
    int client_phone;       /**< Phone to connected client. */
77
    int client_phone;       /**< Phone to connected client. */
78
    int used;           /**< 1 if this virtual console is
78
    int used;           /**< 1 if this virtual console is
79
                     * connected to some client.*/
79
                     * connected to some client.*/
80
    screenbuffer_t screenbuffer;    /**< Screenbuffer for saving screen
80
    screenbuffer_t screenbuffer;    /**< Screenbuffer for saving screen
81
                     * contents and related settings. */
81
                     * contents and related settings. */
82
} connection_t;
82
} connection_t;
83
 
83
 
84
static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
84
static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
85
                         * consoles */
85
                         * consoles */
86
static keyfield_t *interbuffer = NULL;      /**< Pointer to memory shared
86
static keyfield_t *interbuffer = NULL;      /**< Pointer to memory shared
87
                         * with framebufer used for
87
                         * with framebufer used for
88
                         * faster virtual console
88
                         * faster virtual console
89
                         * switching */
89
                         * switching */
90
 
90
 
91
static int kernel_pixmap = -1;  /**< Number of fb pixmap, where kernel
91
static int kernel_pixmap = -1;  /**< Number of fb pixmap, where kernel
92
                 * console is stored */
92
                 * console is stored */
93
 
93
 
94
 
94
 
95
/** Find unused virtual console.
95
/** Find unused virtual console.
96
 *
96
 *
97
 */
97
 */
98
static int find_free_connection(void)
98
static int find_free_connection(void)
99
{
99
{
100
    int i;
100
    int i;
101
   
101
   
102
    for (i = 0; i < CONSOLE_COUNT; i++) {
102
    for (i = 0; i < CONSOLE_COUNT; i++) {
103
        if (!connections[i].used)
103
        if (!connections[i].used)
104
            return i;
104
            return i;
105
    }
105
    }
106
    return -1;
106
    return -1;
107
}
107
}
108
 
108
 
109
static void clrscr(void)
109
static void clrscr(void)
110
{
110
{
111
    async_msg(fb_info.phone, FB_CLEAR, 0);
111
    async_msg(fb_info.phone, FB_CLEAR, 0);
112
}
112
}
113
 
113
 
114
static void curs_visibility(int v)
114
static void curs_visibility(int v)
115
{
115
{
116
    async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);
116
    async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);
117
}
117
}
118
 
118
 
119
static void curs_goto(int row, int col)
119
static void curs_goto(int row, int col)
120
{
120
{
121
    async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
121
    async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
122
   
-
 
123
}
122
}
124
 
123
 
125
static void set_style(style_t *style)
124
static void set_style(style_t *style)
126
{
125
{
127
    async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,
126
    async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,
128
        style->bg_color);
127
        style->bg_color);
129
}
128
}
130
 
129
 
131
static void set_style_col(int fgcolor, int bgcolor)
130
static void set_style_col(int fgcolor, int bgcolor)
132
{
131
{
133
    async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
132
    async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
134
}
133
}
135
 
134
 
136
static void prtchr(char c, int row, int col)
135
static void prtchr(char c, int row, int col)
137
{
136
{
138
    async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
137
    async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
139
   
-
 
140
}
138
}
141
 
139
 
142
/** Check key and process special keys.
140
/** Check key and process special keys.
143
 *
141
 *
144
 * */
142
 * */
145
static void write_char(int console, char key)
143
static void write_char(int console, char key)
146
{
144
{
147
    screenbuffer_t *scr = &(connections[console].screenbuffer);
145
    screenbuffer_t *scr = &(connections[console].screenbuffer);
148
   
146
   
149
    switch (key) {
147
    switch (key) {
150
    case '\n':
148
    case '\n':
151
        scr->position_y++;
149
        scr->position_y++;
152
        scr->position_x = 0;
150
        scr->position_x = 0;
153
        break;
151
        break;
154
    case '\r':
152
    case '\r':
155
        break;
153
        break;
156
    case '\t':
154
    case '\t':
157
        scr->position_x += 8;
155
        scr->position_x += 8;
158
        scr->position_x -= scr->position_x % 8;
156
        scr->position_x -= scr->position_x % 8;
159
        break;
157
        break;
160
    case '\b':
158
    case '\b':
161
        if (scr->position_x == 0)
159
        if (scr->position_x == 0)
162
            break;
160
            break;
163
        scr->position_x--;
161
        scr->position_x--;
164
        if (console == active_console)
162
        if (console == active_console)
165
            prtchr(' ', scr->position_y, scr->position_x);
163
            prtchr(' ', scr->position_y, scr->position_x);
166
        screenbuffer_putchar(scr, ' ');
164
        screenbuffer_putchar(scr, ' ');
167
        break;
165
        break;
168
    default:   
166
    default:   
169
        if (console == active_console)
167
        if (console == active_console)
170
            prtchr(key, scr->position_y, scr->position_x);
168
            prtchr(key, scr->position_y, scr->position_x);
171
 
169
 
172
        screenbuffer_putchar(scr, key);
170
        screenbuffer_putchar(scr, key);
173
        scr->position_x++;
171
        scr->position_x++;
174
    }
172
    }
175
   
173
   
176
    scr->position_y += (scr->position_x >= scr->size_x);
174
    scr->position_y += (scr->position_x >= scr->size_x);
177
   
175
   
178
    if (scr->position_y >= scr->size_y) {
176
    if (scr->position_y >= scr->size_y) {
179
        scr->position_y = scr->size_y - 1;
177
        scr->position_y = scr->size_y - 1;
180
        screenbuffer_clear_line(scr, scr->top_line);
178
        screenbuffer_clear_line(scr, scr->top_line);
181
        scr->top_line = (scr->top_line + 1) % scr->size_y;
179
        scr->top_line = (scr->top_line + 1) % scr->size_y;
182
        if (console == active_console)
180
        if (console == active_console)
183
            async_msg(fb_info.phone, FB_SCROLL, 1);
181
            async_msg(fb_info.phone, FB_SCROLL, 1);
184
    }
182
    }
185
   
183
   
186
    scr->position_x = scr->position_x % scr->size_x;
184
    scr->position_x = scr->position_x % scr->size_x;
187
   
185
   
188
    if (console == active_console)
186
    if (console == active_console)
189
        curs_goto(scr->position_y, scr->position_x);
187
        curs_goto(scr->position_y, scr->position_x);
190
   
188
   
191
}
189
}
192
 
190
 
193
/** Save current screen to pixmap, draw old pixmap
191
/** Save current screen to pixmap, draw old pixmap
194
 *
192
 *
195
 * @param oldpixmap Old pixmap
193
 * @param oldpixmap Old pixmap
196
 * @return ID of pixmap of current screen
194
 * @return ID of pixmap of current screen
197
 */
195
 */
198
static int switch_screens(int oldpixmap)
196
static int switch_screens(int oldpixmap)
199
{
197
{
200
    int newpmap;
198
    int newpmap;
201
       
199
       
202
    /* Save screen */
200
    /* Save screen */
203
    newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
201
    newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
204
    if (newpmap < 0)
202
    if (newpmap < 0)
205
        return -1;
203
        return -1;
206
 
204
 
207
    if (oldpixmap != -1) {
205
    if (oldpixmap != -1) {
208
        /* Show old screen */
206
        /* Show old screen */
209
        async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);
207
        async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);
210
        /* Drop old pixmap */
208
        /* Drop old pixmap */
211
        async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
209
        async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
212
    }
210
    }
213
   
211
   
214
    return newpmap;
212
    return newpmap;
215
}
213
}
216
 
214
 
217
/** Switch to new console */
215
/** Switch to new console */
218
static void change_console(int newcons)
216
static void change_console(int newcons)
219
{
217
{
220
    connection_t *conn;
218
    connection_t *conn;
221
    static int console_pixmap = -1;
219
    static int console_pixmap = -1;
222
    int i, j, rc;
220
    int i, j, rc;
223
    keyfield_t *field;
221
    keyfield_t *field;
224
    style_t *style;
222
    style_t *style;
225
 
223
 
226
    if (newcons == active_console)
224
    if (newcons == active_console)
227
        return;
225
        return;
228
 
226
 
229
    if (newcons == KERNEL_CONSOLE) {
227
    if (newcons == KERNEL_CONSOLE) {
230
        if (active_console == KERNEL_CONSOLE)
228
        if (active_console == KERNEL_CONSOLE)
231
            return;
229
            return;
232
        active_console = KERNEL_CONSOLE;
230
        active_console = KERNEL_CONSOLE;
233
        curs_visibility(0);
231
        curs_visibility(0);
234
 
232
 
235
        async_serialize_start();
233
        async_serialize_start();
236
        if (kernel_pixmap == -1) {
234
        if (kernel_pixmap == -1) {
237
            /* store/restore unsupported */
235
            /* store/restore unsupported */
238
            set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
236
            set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
239
            clrscr();
237
            clrscr();
240
        } else {
238
        } else {
241
            gcons_in_kernel();
239
            gcons_in_kernel();
242
            console_pixmap = switch_screens(kernel_pixmap);
240
            console_pixmap = switch_screens(kernel_pixmap);
243
            kernel_pixmap = -1;
241
            kernel_pixmap = -1;
244
        }
242
        }
245
        async_serialize_end();
243
        async_serialize_end();
246
 
244
 
247
        __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
245
        __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
248
        return;
246
        return;
249
    }
247
    }
250
   
248
   
251
    async_serialize_start();
249
    async_serialize_start();
252
 
250
 
253
    if (console_pixmap != -1) {
251
    if (console_pixmap != -1) {
254
        kernel_pixmap = switch_screens(console_pixmap);
252
        kernel_pixmap = switch_screens(console_pixmap);
255
        console_pixmap = -1;
253
        console_pixmap = -1;
256
    }
254
    }
257
    active_console = newcons;
255
    active_console = newcons;
258
    gcons_change_console(newcons);
256
    gcons_change_console(newcons);
259
    conn = &connections[active_console];
257
    conn = &connections[active_console];
260
 
258
 
261
    set_style(&conn->screenbuffer.style);
259
    set_style(&conn->screenbuffer.style);
262
    curs_visibility(0);
260
    curs_visibility(0);
263
    if (interbuffer) {
261
    if (interbuffer) {
264
        for (i = 0; i < conn->screenbuffer.size_x; i++)
262
        for (i = 0; i < conn->screenbuffer.size_x; i++)
265
            for (j = 0; j < conn->screenbuffer.size_y; j++)
263
            for (j = 0; j < conn->screenbuffer.size_y; j++)
266
                interbuffer[i + j * conn->screenbuffer.size_x] =
264
                interbuffer[i + j * conn->screenbuffer.size_x] =
267
                    *get_field_at(&(conn->screenbuffer),
265
                    *get_field_at(&(conn->screenbuffer),
268
                    i, j);
266
                    i, j);
269
        /* This call can preempt, but we are already at the end */
267
        /* This call can preempt, but we are already at the end */
270
        rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL,
268
        rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL,
271
            NULL);     
269
            NULL);     
272
    };
270
    };
273
   
271
   
274
    if ((!interbuffer) || (rc != 0)) {
272
    if ((!interbuffer) || (rc != 0)) {
275
        set_style(&conn->screenbuffer.style);
273
        set_style(&conn->screenbuffer.style);
276
        clrscr();
274
        clrscr();
277
        style = &conn->screenbuffer.style;
275
        style = &conn->screenbuffer.style;
278
 
276
 
279
        for (j = 0; j < conn->screenbuffer.size_y; j++)
277
        for (j = 0; j < conn->screenbuffer.size_y; j++)
280
            for (i = 0; i < conn->screenbuffer.size_x; i++) {
278
            for (i = 0; i < conn->screenbuffer.size_x; i++) {
281
                field = get_field_at(&(conn->screenbuffer), i,
279
                field = get_field_at(&(conn->screenbuffer), i,
282
                    j);
280
                    j);
283
                if (!style_same(*style, field->style))
281
                if (!style_same(*style, field->style))
284
                    set_style(&field->style);
282
                    set_style(&field->style);
285
                style = &field->style;
283
                style = &field->style;
286
                if ((field->character == ' ') &&
284
                if ((field->character == ' ') &&
287
                    (style_same(field->style,
285
                    (style_same(field->style,
288
                    conn->screenbuffer.style)))
286
                    conn->screenbuffer.style)))
289
                    continue;
287
                    continue;
290
 
288
 
291
                prtchr(field->character, j, i);
289
                prtchr(field->character, j, i);
292
            }
290
            }
293
    }
291
    }
294
   
292
   
295
    curs_goto(conn->screenbuffer.position_y,
293
    curs_goto(conn->screenbuffer.position_y,
296
        conn->screenbuffer.position_x);
294
        conn->screenbuffer.position_x);
297
    curs_visibility(conn->screenbuffer.is_cursor_visible);
295
    curs_visibility(conn->screenbuffer.is_cursor_visible);
298
 
296
 
299
    async_serialize_end();
297
    async_serialize_end();
300
}
298
}
301
 
299
 
302
/** Handler for keyboard */
300
/** Handler for keyboard */
303
static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
301
static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
304
{
302
{
305
    ipc_callid_t callid;
303
    ipc_callid_t callid;
306
    ipc_call_t call;
304
    ipc_call_t call;
307
    int retval;
305
    int retval;
308
    int c;
306
    int c;
309
    connection_t *conn;
307
    connection_t *conn;
310
    int newcon;
308
    int newcon;
311
   
309
   
312
    /* Ignore parameters, the connection is alread opened */
310
    /* Ignore parameters, the connection is alread opened */
313
    while (1) {
311
    while (1) {
314
        callid = async_get_call(&call);
312
        callid = async_get_call(&call);
315
        switch (IPC_GET_METHOD(call)) {
313
        switch (IPC_GET_METHOD(call)) {
316
        case IPC_M_PHONE_HUNGUP:
314
        case IPC_M_PHONE_HUNGUP:
317
            /* TODO: Handle hangup */
315
            /* TODO: Handle hangup */
318
            return;
316
            return;
319
        case KBD_MS_LEFT:
317
        case KBD_MS_LEFT:
320
            newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
318
            newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
321
            if (newcon != -1)
319
            if (newcon != -1)
322
                change_console(newcon);
320
                change_console(newcon);
323
            retval = 0;
321
            retval = 0;
324
            break;
322
            break;
325
        case KBD_MS_MOVE:
323
        case KBD_MS_MOVE:
326
            gcons_mouse_move(IPC_GET_ARG1(call),
324
            gcons_mouse_move(IPC_GET_ARG1(call),
327
                IPC_GET_ARG2(call));
325
                IPC_GET_ARG2(call));
328
            retval = 0;
326
            retval = 0;
329
            break;
327
            break;
330
        case KBD_PUSHCHAR:
328
        case KBD_PUSHCHAR:
331
            /* got key from keyboard driver */
329
            /* got key from keyboard driver */
332
           
330
           
333
            retval = 0;
331
            retval = 0;
334
            c = IPC_GET_ARG1(call);
332
            c = IPC_GET_ARG1(call);
335
            /* switch to another virtual console */
333
            /* switch to another virtual console */
336
           
334
           
337
            conn = &connections[active_console];
335
            conn = &connections[active_console];
338
/*
336
/*
339
 *          if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +
337
 *          if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +
340
 *              CONSOLE_COUNT)) {
338
 *              CONSOLE_COUNT)) {
341
 */
339
 */
342
            if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
340
            if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
343
                if (c == 0x112)
341
                if (c == 0x112)
344
                    change_console(KERNEL_CONSOLE);
342
                    change_console(KERNEL_CONSOLE);
345
                else
343
                else
346
                    change_console(c - 0x101);
344
                    change_console(c - 0x101);
347
                break;
345
                break;
348
            }
346
            }
349
           
347
           
350
            /* if client is awaiting key, send it */
348
            /* if client is awaiting key, send it */
351
            if (conn->keyrequest_counter > 0) {    
349
            if (conn->keyrequest_counter > 0) {    
352
                conn->keyrequest_counter--;
350
                conn->keyrequest_counter--;
353
                ipc_answer_fast(fifo_pop(conn->keyrequests), 0,
351
                ipc_answer_fast(fifo_pop(conn->keyrequests), 0,
354
                    c, 0);
352
                    c, 0);
355
                break;
353
                break;
356
            }
354
            }
357
           
355
           
358
            keybuffer_push(&conn->keybuffer, c);
356
            keybuffer_push(&conn->keybuffer, c);
359
            retval = 0;
357
            retval = 0;
360
           
358
           
361
            break;
359
            break;
362
        default:
360
        default:
363
            retval = ENOENT;
361
            retval = ENOENT;
364
        }
362
        }
365
        ipc_answer_fast(callid, retval, 0, 0);
363
        ipc_answer_fast(callid, retval, 0, 0);
366
    }
364
    }
367
}
365
}
368
 
366
 
369
/** Default thread for new connections */
367
/** Default thread for new connections */
370
static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
368
static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
371
{
369
{
372
    ipc_callid_t callid;
370
    ipc_callid_t callid;
373
    ipc_call_t call;
371
    ipc_call_t call;
374
    int consnum;
372
    int consnum;
375
    ipcarg_t arg1, arg2;
373
    ipcarg_t arg1, arg2;
376
    connection_t *conn;
374
    connection_t *conn;
377
 
375
 
378
    if ((consnum = find_free_connection()) == -1) {
376
    if ((consnum = find_free_connection()) == -1) {
379
        ipc_answer_fast(iid,ELIMIT,0,0);
377
        ipc_answer_fast(iid,ELIMIT,0,0);
380
        return;
378
        return;
381
    }
379
    }
382
    conn = &connections[consnum];
380
    conn = &connections[consnum];
383
    conn->used = 1;
381
    conn->used = 1;
384
   
382
   
385
    async_serialize_start();
383
    async_serialize_start();
386
    gcons_notify_connect(consnum);
384
    gcons_notify_connect(consnum);
387
    conn->client_phone = IPC_GET_ARG3(call);
385
    conn->client_phone = IPC_GET_ARG3(call);
388
    screenbuffer_clear(&conn->screenbuffer);
386
    screenbuffer_clear(&conn->screenbuffer);
389
   
387
   
390
    /* Accept the connection */
388
    /* Accept the connection */
391
    ipc_answer_fast(iid, 0, 0, 0);
389
    ipc_answer_fast(iid, 0, 0, 0);
392
 
390
 
393
    while (1) {
391
    while (1) {
394
        async_serialize_end();
392
        async_serialize_end();
395
        callid = async_get_call(&call);
393
        callid = async_get_call(&call);
396
        async_serialize_start();
394
        async_serialize_start();
397
 
395
 
398
        arg1 = arg2 = 0;
396
        arg1 = arg2 = 0;
399
        switch (IPC_GET_METHOD(call)) {
397
        switch (IPC_GET_METHOD(call)) {
400
        case IPC_M_PHONE_HUNGUP:
398
        case IPC_M_PHONE_HUNGUP:
401
            gcons_notify_disconnect(consnum);
399
            gcons_notify_disconnect(consnum);
402
           
400
           
403
            /* Answer all pending requests */
401
            /* Answer all pending requests */
404
            while (conn->keyrequest_counter > 0) {     
402
            while (conn->keyrequest_counter > 0) {     
405
                conn->keyrequest_counter--;
403
                conn->keyrequest_counter--;
406
                ipc_answer_fast(fifo_pop(conn->keyrequests),
404
                ipc_answer_fast(fifo_pop(conn->keyrequests),
407
                    ENOENT, 0, 0);
405
                    ENOENT, 0, 0);
408
                break;
406
                break;
409
            }
407
            }
410
            conn->used = 0;
408
            conn->used = 0;
411
            return;
409
            return;
412
        case CONSOLE_PUTCHAR:
410
        case CONSOLE_PUTCHAR:
413
            write_char(consnum, IPC_GET_ARG1(call));
411
            write_char(consnum, IPC_GET_ARG1(call));
414
            gcons_notify_char(consnum);
412
            gcons_notify_char(consnum);
415
            break;
413
            break;
416
        case CONSOLE_CLEAR:
414
        case CONSOLE_CLEAR:
417
            /* Send message to fb */
415
            /* Send message to fb */
418
            if (consnum == active_console) {
416
            if (consnum == active_console) {
419
                async_msg(fb_info.phone, FB_CLEAR, 0);
417
                async_msg(fb_info.phone, FB_CLEAR, 0);
420
            }
418
            }
421
           
419
           
422
            screenbuffer_clear(&conn->screenbuffer);
420
            screenbuffer_clear(&conn->screenbuffer);
423
           
421
           
424
            break;
422
            break;
425
        case CONSOLE_GOTO:
423
        case CONSOLE_GOTO:
426
            screenbuffer_goto(&conn->screenbuffer,
424
            screenbuffer_goto(&conn->screenbuffer,
427
                IPC_GET_ARG2(call), IPC_GET_ARG1(call));
425
                IPC_GET_ARG2(call), IPC_GET_ARG1(call));
428
            if (consnum == active_console)
426
            if (consnum == active_console)
429
                curs_goto(IPC_GET_ARG1(call),
427
                curs_goto(IPC_GET_ARG1(call),
430
                    IPC_GET_ARG2(call));
428
                    IPC_GET_ARG2(call));
431
            break;
429
            break;
432
        case CONSOLE_GETSIZE:
430
        case CONSOLE_GETSIZE:
433
            arg1 = fb_info.rows;
431
            arg1 = fb_info.rows;
434
            arg2 = fb_info.cols;
432
            arg2 = fb_info.cols;
435
            break;
433
            break;
436
        case CONSOLE_FLUSH:
434
        case CONSOLE_FLUSH:
437
            if (consnum == active_console)
435
            if (consnum == active_console)
438
                async_req_2(fb_info.phone, FB_FLUSH, 0, 0,
436
                async_req_2(fb_info.phone, FB_FLUSH, 0, 0,
439
                    NULL, NULL);       
437
                    NULL, NULL);       
440
            break;
438
            break;
441
        case CONSOLE_SET_STYLE:
439
        case CONSOLE_SET_STYLE:
442
            arg1 = IPC_GET_ARG1(call);
440
            arg1 = IPC_GET_ARG1(call);
443
            arg2 = IPC_GET_ARG2(call);
441
            arg2 = IPC_GET_ARG2(call);
444
            screenbuffer_set_style(&conn->screenbuffer, arg1, arg2);
442
            screenbuffer_set_style(&conn->screenbuffer, arg1, arg2);
445
            if (consnum == active_console)
443
            if (consnum == active_console)
446
                set_style_col(arg1, arg2);
444
                set_style_col(arg1, arg2);
447
            break;
445
            break;
448
        case CONSOLE_CURSOR_VISIBILITY:
446
        case CONSOLE_CURSOR_VISIBILITY:
449
            arg1 = IPC_GET_ARG1(call);
447
            arg1 = IPC_GET_ARG1(call);
450
            conn->screenbuffer.is_cursor_visible = arg1;
448
            conn->screenbuffer.is_cursor_visible = arg1;
451
            if (consnum == active_console)
449
            if (consnum == active_console)
452
                curs_visibility(arg1);
450
                curs_visibility(arg1);
453
            break;
451
            break;
454
        case CONSOLE_GETCHAR:
452
        case CONSOLE_GETCHAR:
455
            if (keybuffer_empty(&conn->keybuffer)) {
453
            if (keybuffer_empty(&conn->keybuffer)) {
456
                /* buffer is empty -> store request */
454
                /* buffer is empty -> store request */
457
                if (conn->keyrequest_counter <
455
                if (conn->keyrequest_counter <
458
                    MAX_KEYREQUESTS_BUFFERED) {
456
                    MAX_KEYREQUESTS_BUFFERED) {
459
                    fifo_push(conn->keyrequests, callid);
457
                    fifo_push(conn->keyrequests, callid);
460
                    conn->keyrequest_counter++;
458
                    conn->keyrequest_counter++;
461
                } else {
459
                } else {
462
                    /*
460
                    /*
463
                     * No key available and too many
461
                     * No key available and too many
464
                     * requests => fail.
462
                     * requests => fail.
465
                    */
463
                    */
466
                    ipc_answer_fast(callid, ELIMIT, 0, 0);
464
                    ipc_answer_fast(callid, ELIMIT, 0, 0);
467
                }
465
                }
468
                continue;
466
                continue;
469
            }
467
            }
470
            keybuffer_pop(&conn->keybuffer, (int *) &arg1);
468
            keybuffer_pop(&conn->keybuffer, (int *) &arg1);
471
            break;
469
            break;
472
        }
470
        }
473
        ipc_answer_fast(callid, 0, arg1, arg2);
471
        ipc_answer_fast(callid, 0, arg1, arg2);
474
    }
472
    }
475
}
473
}
476
 
474
 
477
int main(int argc, char *argv[])
475
int main(int argc, char *argv[])
478
{
476
{
479
    ipcarg_t phonehash;
477
    ipcarg_t phonehash;
480
    int kbd_phone;
478
    int kbd_phone;
481
    int i;
479
    int i;
482
 
480
 
483
    async_set_client_connection(client_connection);
481
    async_set_client_connection(client_connection);
484
   
482
   
485
    /* Connect to keyboard driver */
483
    /* Connect to keyboard driver */
486
 
484
 
487
    kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
485
    kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
488
    while (kbd_phone < 0) {
486
    while (kbd_phone < 0) {
489
        usleep(10000);
487
        usleep(10000);
490
        kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
488
        kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
491
    }
489
    }
492
   
490
   
493
    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0)
491
    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0)
494
        return -1;
492
        return -1;
495
    async_new_connection(phonehash, 0, NULL, keyboard_events);
493
    async_new_connection(phonehash, 0, NULL, keyboard_events);
496
   
494
   
497
    /* Connect to framebuffer driver */
495
    /* Connect to framebuffer driver */
498
   
496
   
499
    fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0);
497
    fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0);
500
    while (fb_info.phone < 0) {
498
    while (fb_info.phone < 0) {
501
        usleep(10000);
499
        usleep(10000);
502
        fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0);
500
        fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0);
503
    }
501
    }
504
   
502
   
505
    /* Save old kernel screen */
503
    /* Save old kernel screen */
506
    kernel_pixmap = switch_screens(-1);
504
    kernel_pixmap = switch_screens(-1);
507
 
505
 
508
    /* Initialize gcons */
506
    /* Initialize gcons */
509
    gcons_init(fb_info.phone);
507
    gcons_init(fb_info.phone);
510
    /* Synchronize, the gcons can have something in queue */
508
    /* Synchronize, the gcons can have something in queue */
511
    async_req(fb_info.phone, FB_FLUSH, 0, NULL);
509
    async_req(fb_info.phone, FB_FLUSH, 0, NULL);
512
    /* Enable double buffering */
510
    /* Enable double buffering */
513
    async_msg_2(fb_info.phone, FB_VIEWPORT_DB, (sysarg_t) -1, 1);
511
    async_msg_2(fb_info.phone, FB_VIEWPORT_DB, (sysarg_t) -1, 1);
514
   
512
   
515
    async_req_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows),
513
    async_req_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows),
516
        &(fb_info.cols));
514
        &(fb_info.cols));
517
    set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
515
    set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
518
    clrscr();
516
    clrscr();
519
   
517
   
520
    /* Init virtual consoles */
518
    /* Init virtual consoles */
521
    for (i = 0; i < CONSOLE_COUNT; i++) {
519
    for (i = 0; i < CONSOLE_COUNT; i++) {
522
        connections[i].used = 0;
520
        connections[i].used = 0;
523
        keybuffer_init(&(connections[i].keybuffer));
521
        keybuffer_init(&(connections[i].keybuffer));
524
       
522
       
525
        connections[i].keyrequests.head =
523
        connections[i].keyrequests.head =
526
            connections[i].keyrequests.tail = 0;
524
            connections[i].keyrequests.tail = 0;
527
        connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
525
        connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
528
        connections[i].keyrequest_counter = 0;
526
        connections[i].keyrequest_counter = 0;
529
       
527
       
530
        if (screenbuffer_init(&(connections[i].screenbuffer),
528
        if (screenbuffer_init(&(connections[i].screenbuffer),
531
            fb_info.cols, fb_info.rows) == NULL) {
529
            fb_info.cols, fb_info.rows) == NULL) {
532
            /* FIXME: handle error */
530
            /* FIXME: handle error */
533
            return -1;
531
            return -1;
534
        }
532
        }
535
    }
533
    }
536
    connections[KERNEL_CONSOLE].used = 1;
534
    connections[KERNEL_CONSOLE].used = 1;
537
   
535
   
538
    interbuffer = mmap(NULL,
536
    interbuffer = mmap(NULL,
539
        sizeof(keyfield_t) * fb_info.cols * fb_info.rows,
537
        sizeof(keyfield_t) * fb_info.cols * fb_info.rows,
540
        PROTO_READ | PROTO_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);
538
        PROTO_READ | PROTO_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);
541
    if (!interbuffer) {
539
    if (!interbuffer) {
542
        if (async_req_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)
540
        if (async_req_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)
543
            interbuffer, 0, AS_AREA_READ, NULL, NULL, NULL) != 0) {
541
            interbuffer, 0, AS_AREA_READ, NULL, NULL, NULL) != 0) {
544
            munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols
542
            munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols
545
                * fb_info.rows);
543
                * fb_info.rows);
546
            interbuffer = NULL;
544
            interbuffer = NULL;
547
        }
545
        }
548
    }
546
    }
549
 
547
 
550
    curs_goto(0, 0);
548
    curs_goto(0, 0);
551
    curs_visibility(connections[active_console].screenbuffer.is_cursor_visible);
549
    curs_visibility(connections[active_console].screenbuffer.is_cursor_visible);
552
 
550
 
553
    /* Register at NS */
551
    /* Register at NS */
554
    if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
552
    if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
555
        return -1;
553
        return -1;
556
    }
554
    }
557
   
555
   
558
    async_manager();
556
    async_manager();
559
 
557
 
560
    return 0;  
558
    return 0;  
561
}
559
}
562
 
560
 
563
/** @}
561
/** @}
564
 */
562
 */
565
 
563