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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/mmap.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
    FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED);   /**< Buffer for unsatisfied request for keys. */
73
    FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED);   /**< Buffer for unsatisfied request for keys. */
74
    int keyrequest_counter;     /**< Number of requests in buffer. */
74
    int keyrequest_counter;     /**< Number of requests in buffer. */
75
    int client_phone;       /**< Phone to connected client. */
75
    int client_phone;       /**< Phone to connected client. */
76
    int used;           /**< 1 if this virtual console is connected to some client.*/
76
    int used;           /**< 1 if this virtual console is connected to some client.*/
77
    screenbuffer_t screenbuffer;    /**< Screenbuffer for saving screen contents and related settings. */
77
    screenbuffer_t screenbuffer;    /**< Screenbuffer for saving screen contents and related settings. */
78
} connection_t;
78
} connection_t;
79
 
79
 
80
static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual consoles */
80
static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual consoles */
81
static keyfield_t *interbuffer = NULL;          /**< Pointer to memory shared with framebufer used for faster virt. console switching */
81
static keyfield_t *interbuffer = NULL;          /**< Pointer to memory shared with framebufer used for faster virt. console switching */
82
 
82
 
83
static int kernel_pixmap = -1;      /**< Number of fb pixmap, where kernel console is stored */
83
static int kernel_pixmap = -1;      /**< Number of fb pixmap, where kernel console is stored */
84
 
84
 
85
 
85
 
86
/** Find unused virtual console.
86
/** Find unused virtual console.
87
 *
87
 *
88
 */
88
 */
89
static int find_free_connection(void)
89
static int find_free_connection(void)
90
{
90
{
91
    int i = 0;
91
    int i = 0;
92
   
92
   
93
    for (i=0; i < CONSOLE_COUNT; i++) {
93
    for (i=0; i < CONSOLE_COUNT; i++) {
94
        if (!connections[i].used)
94
        if (!connections[i].used)
95
            return i;
95
            return i;
96
    }
96
    }
97
    return -1;
97
    return -1;
98
}
98
}
99
 
99
 
100
static void clrscr(void)
100
static void clrscr(void)
101
{
101
{
102
    async_msg(fb_info.phone, FB_CLEAR, 0);
102
    async_msg(fb_info.phone, FB_CLEAR, 0);
103
}
103
}
104
 
104
 
105
static void curs_visibility(int v)
105
static void curs_visibility(int v)
106
{
106
{
107
    async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);
107
    async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);
108
}
108
}
109
 
109
 
110
static void curs_goto(int row, int col)
110
static void curs_goto(int row, int col)
111
{
111
{
112
    async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
112
    async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
113
   
113
   
114
}
114
}
115
 
115
 
116
static void set_style(style_t *style)
116
static void set_style(style_t *style)
117
{
117
{
118
    async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color, style->bg_color);
118
    async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color, style->bg_color);
119
}
119
}
120
 
120
 
121
static void set_style_col(int fgcolor, int bgcolor)
121
static void set_style_col(int fgcolor, int bgcolor)
122
{
122
{
123
    async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
123
    async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
124
}
124
}
125
 
125
 
126
static void prtchr(char c, int row, int col)
126
static void prtchr(char c, int row, int col)
127
{
127
{
128
    async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
128
    async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
129
   
129
   
130
}
130
}
131
 
131
 
132
/** Check key and process special keys.
132
/** Check key and process special keys.
133
 *
133
 *
134
 * */
134
 * */
135
static void write_char(int console, char key)
135
static void write_char(int console, char key)
136
{
136
{
137
    screenbuffer_t *scr = &(connections[console].screenbuffer);
137
    screenbuffer_t *scr = &(connections[console].screenbuffer);
138
   
138
   
139
    switch (key) {
139
    switch (key) {
140
        case '\n':
140
        case '\n':
141
            scr->position_y += 1;
141
            scr->position_y += 1;
142
            scr->position_x =  0;
142
            scr->position_x =  0;
143
            break;
143
            break;
144
        case '\r':
144
        case '\r':
145
            break;
145
            break;
146
        case '\t':
146
        case '\t':
147
            scr->position_x += 8;
147
            scr->position_x += 8;
148
            scr->position_x -= scr->position_x % 8;
148
            scr->position_x -= scr->position_x % 8;
149
            break;
149
            break;
150
        case '\b':
150
        case '\b':
151
            if (scr->position_x == 0)
151
            if (scr->position_x == 0)
152
                break;
152
                break;
153
 
153
 
154
            scr->position_x--;
154
            scr->position_x--;
155
 
155
 
156
            if (console == active_console)
156
            if (console == active_console)
157
                prtchr(' ', scr->position_y, scr->position_x);
157
                prtchr(' ', scr->position_y, scr->position_x);
158
   
158
   
159
            screenbuffer_putchar(scr, ' ');
159
            screenbuffer_putchar(scr, ' ');
160
           
160
           
161
            break;
161
            break;
162
        default:   
162
        default:   
163
            if (console == active_console)
163
            if (console == active_console)
164
                prtchr(key, scr->position_y, scr->position_x);
164
                prtchr(key, scr->position_y, scr->position_x);
165
   
165
   
166
            screenbuffer_putchar(scr, key);
166
            screenbuffer_putchar(scr, key);
167
            scr->position_x++;
167
            scr->position_x++;
168
    }
168
    }
169
   
169
   
170
    scr->position_y += (scr->position_x >= scr->size_x);
170
    scr->position_y += (scr->position_x >= scr->size_x);
171
   
171
   
172
    if (scr->position_y >= scr->size_y) {
172
    if (scr->position_y >= scr->size_y) {
173
        scr->position_y = scr->size_y - 1;
173
        scr->position_y = scr->size_y - 1;
174
        screenbuffer_clear_line(scr, scr->top_line);
174
        screenbuffer_clear_line(scr, scr->top_line);
175
        scr->top_line = (scr->top_line+1) % scr->size_y;
175
        scr->top_line = (scr->top_line+1) % scr->size_y;
176
        if (console == active_console)
176
        if (console == active_console)
177
            async_msg(fb_info.phone, FB_SCROLL, 1);
177
            async_msg(fb_info.phone, FB_SCROLL, 1);
178
    }
178
    }
179
   
179
   
180
    scr->position_x = scr->position_x % scr->size_x;
180
    scr->position_x = scr->position_x % scr->size_x;
181
   
181
   
182
    if (console == active_console)
182
    if (console == active_console)
183
        curs_goto(scr->position_y, scr->position_x);
183
        curs_goto(scr->position_y, scr->position_x);
184
   
184
   
185
}
185
}
186
 
186
 
187
/** Save current screen to pixmap, draw old pixmap
187
/** Save current screen to pixmap, draw old pixmap
188
 *
188
 *
189
 * @param oldpixmap Old pixmap
189
 * @param oldpixmap Old pixmap
190
 * @return ID of pixmap of current screen
190
 * @return ID of pixmap of current screen
191
 */
191
 */
192
static int switch_screens(int oldpixmap)
192
static int switch_screens(int oldpixmap)
193
{
193
{
194
    int newpmap;
194
    int newpmap;
195
       
195
       
196
    /* Save screen */
196
    /* Save screen */
197
    newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
197
    newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
198
    if (newpmap < 0)
198
    if (newpmap < 0)
199
        return -1;
199
        return -1;
200
 
200
 
201
    if (oldpixmap != -1) {
201
    if (oldpixmap != -1) {
202
        /* Show old screen */
202
        /* Show old screen */
203
        async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);
203
        async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);
204
        /* Drop old pixmap */
204
        /* Drop old pixmap */
205
        async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
205
        async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
206
    }
206
    }
207
   
207
   
208
    return newpmap;
208
    return newpmap;
209
}
209
}
210
 
210
 
211
/** Switch to new console */
211
/** Switch to new console */
212
static void change_console(int newcons)
212
static void change_console(int newcons)
213
{
213
{
214
    connection_t *conn;
214
    connection_t *conn;
215
    static int console_pixmap = -1;
215
    static int console_pixmap = -1;
216
    int i, j, rc;
216
    int i, j, rc;
217
    keyfield_t *field;
217
    keyfield_t *field;
218
    style_t *style;
218
    style_t *style;
219
 
219
 
220
    if (newcons == active_console)
220
    if (newcons == active_console)
221
        return;
221
        return;
222
 
222
 
223
    if (newcons == KERNEL_CONSOLE) {
223
    if (newcons == KERNEL_CONSOLE) {
224
        if (active_console == KERNEL_CONSOLE)
224
        if (active_console == KERNEL_CONSOLE)
225
            return;
225
            return;
226
        active_console = KERNEL_CONSOLE;
226
        active_console = KERNEL_CONSOLE;
227
        curs_visibility(0);
227
        curs_visibility(0);
228
 
228
 
229
        async_serialize_start();
229
        async_serialize_start();
230
        if (kernel_pixmap == -1) {
230
        if (kernel_pixmap == -1) {
231
            /* store/restore unsupported */
231
            /* store/restore unsupported */
232
            set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
232
            set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
233
            clrscr();
233
            clrscr();
234
        } else {
234
        } else {
235
            gcons_in_kernel();
235
            gcons_in_kernel();
236
            console_pixmap = switch_screens(kernel_pixmap);
236
            console_pixmap = switch_screens(kernel_pixmap);
237
            kernel_pixmap = -1;
237
            kernel_pixmap = -1;
238
        }
238
        }
239
        async_serialize_end();
239
        async_serialize_end();
240
 
240
 
241
        __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
241
        __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
242
        return;
242
        return;
243
    }
243
    }
244
   
244
   
245
    async_serialize_start();
245
    async_serialize_start();
246
 
246
 
247
    if (console_pixmap != -1) {
247
    if (console_pixmap != -1) {
248
        kernel_pixmap = switch_screens(console_pixmap);
248
        kernel_pixmap = switch_screens(console_pixmap);
249
        console_pixmap = -1;
249
        console_pixmap = -1;
250
    }
250
    }
251
    active_console = newcons;
251
    active_console = newcons;
252
    gcons_change_console(newcons);
252
    gcons_change_console(newcons);
253
    conn = &connections[active_console];
253
    conn = &connections[active_console];
254
 
254
 
255
    set_style(&conn->screenbuffer.style);
255
    set_style(&conn->screenbuffer.style);
256
    curs_visibility(0);
256
    curs_visibility(0);
257
    if (interbuffer) {
257
    if (interbuffer) {
258
        for (i = 0; i < conn->screenbuffer.size_x; i++)
258
        for (i = 0; i < conn->screenbuffer.size_x; i++)
259
            for (j = 0; j < conn->screenbuffer.size_y; j++)
259
            for (j = 0; j < conn->screenbuffer.size_y; j++)
260
                interbuffer[i + j*conn->screenbuffer.size_x] = *get_field_at(&(conn->screenbuffer),i, j);
260
                interbuffer[i + j*conn->screenbuffer.size_x] = *get_field_at(&(conn->screenbuffer),i, j);
261
        /* This call can preempt, but we are already at the end */
261
        /* This call can preempt, but we are already at the end */
262
        rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL, NULL);      
262
        rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL, NULL);      
263
    };
263
    };
264
   
264
   
265
    if ((!interbuffer) || (rc != 0)) {
265
    if ((!interbuffer) || (rc != 0)) {
266
        set_style(&conn->screenbuffer.style);
266
        set_style(&conn->screenbuffer.style);
267
        clrscr();
267
        clrscr();
268
        style = &conn->screenbuffer.style;
268
        style = &conn->screenbuffer.style;
269
 
269
 
270
        for (j = 0; j < conn->screenbuffer.size_y; j++)
270
        for (j = 0; j < conn->screenbuffer.size_y; j++)
271
            for (i = 0; i < conn->screenbuffer.size_x; i++) {
271
            for (i = 0; i < conn->screenbuffer.size_x; i++) {
272
                field = get_field_at(&(conn->screenbuffer),i, j);
272
                field = get_field_at(&(conn->screenbuffer),i, j);
273
                if (!style_same(*style, field->style))
273
                if (!style_same(*style, field->style))
274
                    set_style(&field->style);
274
                    set_style(&field->style);
275
                style = &field->style;
275
                style = &field->style;
276
                if ((field->character == ' ') && (style_same(field->style, conn->screenbuffer.style)))
276
                if ((field->character == ' ') && (style_same(field->style, conn->screenbuffer.style)))
277
                    continue;
277
                    continue;
278
 
278
 
279
                prtchr(field->character, j, i);
279
                prtchr(field->character, j, i);
280
            }
280
            }
281
    }
281
    }
282
   
282
   
283
    curs_goto(conn->screenbuffer.position_y, conn->screenbuffer.position_x);
283
    curs_goto(conn->screenbuffer.position_y, conn->screenbuffer.position_x);
284
    curs_visibility(conn->screenbuffer.is_cursor_visible);
284
    curs_visibility(conn->screenbuffer.is_cursor_visible);
285
 
285
 
286
    async_serialize_end();
286
    async_serialize_end();
287
}
287
}
288
 
288
 
289
/** Handler for keyboard */
289
/** Handler for keyboard */
290
static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
290
static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
291
{
291
{
292
    ipc_callid_t callid;
292
    ipc_callid_t callid;
293
    ipc_call_t call;
293
    ipc_call_t call;
294
    int retval;
294
    int retval;
295
    int c;
295
    int c;
296
    connection_t *conn;
296
    connection_t *conn;
297
    int newcon;
297
    int newcon;
298
   
298
   
299
    /* Ignore parameters, the connection is alread opened */
299
    /* Ignore parameters, the connection is alread opened */
300
    while (1) {
300
    while (1) {
301
        callid = async_get_call(&call);
301
        callid = async_get_call(&call);
302
        switch (IPC_GET_METHOD(call)) {
302
        switch (IPC_GET_METHOD(call)) {
303
        case IPC_M_PHONE_HUNGUP:
303
        case IPC_M_PHONE_HUNGUP:
304
            /* TODO: Handle hangup */
304
            /* TODO: Handle hangup */
305
            return;
305
            return;
306
        case KBD_MS_LEFT:
306
        case KBD_MS_LEFT:
307
            newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
307
            newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
308
            if (newcon != -1)
308
            if (newcon != -1)
309
                change_console(newcon);
309
                change_console(newcon);
310
            retval = 0;
310
            retval = 0;
311
            break;
311
            break;
312
        case KBD_MS_MOVE:
312
        case KBD_MS_MOVE:
313
            gcons_mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
313
            gcons_mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
314
            retval = 0;
314
            retval = 0;
315
            break;
315
            break;
316
        case KBD_PUSHCHAR:
316
        case KBD_PUSHCHAR:
317
            /* got key from keyboard driver */
317
            /* got key from keyboard driver */
318
           
318
           
319
            retval = 0;
319
            retval = 0;
320
            c = IPC_GET_ARG1(call);
320
            c = IPC_GET_ARG1(call);
321
            /* switch to another virtual console */
321
            /* switch to another virtual console */
322
           
322
           
323
            conn = &connections[active_console];
323
            conn = &connections[active_console];
324
//          if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {
324
//          if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {
325
            if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
325
            if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
326
                if (c == 0x112)
326
                if (c == 0x112)
327
                    change_console(KERNEL_CONSOLE);
327
                    change_console(KERNEL_CONSOLE);
328
                else
328
                else
329
                    change_console(c - 0x101);
329
                    change_console(c - 0x101);
330
                break;
330
                break;
331
            }
331
            }
332
           
332
           
333
            /* if client is awaiting key, send it */
333
            /* if client is awaiting key, send it */
334
            if (conn->keyrequest_counter > 0) {    
334
            if (conn->keyrequest_counter > 0) {    
335
                conn->keyrequest_counter--;
335
                conn->keyrequest_counter--;
336
                ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);
336
                ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);
337
                break;
337
                break;
338
            }
338
            }
339
           
339
           
340
            keybuffer_push(&conn->keybuffer, c);
340
            keybuffer_push(&conn->keybuffer, c);
341
            retval = 0;
341
            retval = 0;
342
           
342
           
343
            break;
343
            break;
344
        default:
344
        default:
345
            retval = ENOENT;
345
            retval = ENOENT;
346
        }
346
        }
347
        ipc_answer_fast(callid, retval, 0, 0);
347
        ipc_answer_fast(callid, retval, 0, 0);
348
    }
348
    }
349
}
349
}
350
 
350
 
351
/** Default thread for new connections */
351
/** Default thread for new connections */
352
static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
352
static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
353
{
353
{
354
    ipc_callid_t callid;
354
    ipc_callid_t callid;
355
    ipc_call_t call;
355
    ipc_call_t call;
356
    int consnum;
356
    int consnum;
357
    ipcarg_t arg1, arg2;
357
    ipcarg_t arg1, arg2;
358
    connection_t *conn;
358
    connection_t *conn;
359
 
359
 
360
    if ((consnum = find_free_connection()) == -1) {
360
    if ((consnum = find_free_connection()) == -1) {
361
        ipc_answer_fast(iid,ELIMIT,0,0);
361
        ipc_answer_fast(iid,ELIMIT,0,0);
362
        return;
362
        return;
363
    }
363
    }
364
    conn = &connections[consnum];
364
    conn = &connections[consnum];
365
    conn->used = 1;
365
    conn->used = 1;
366
   
366
   
367
    async_serialize_start();
367
    async_serialize_start();
368
    gcons_notify_connect(consnum);
368
    gcons_notify_connect(consnum);
369
    conn->client_phone = IPC_GET_ARG3(call);
369
    conn->client_phone = IPC_GET_ARG3(call);
370
    screenbuffer_clear(&conn->screenbuffer);
370
    screenbuffer_clear(&conn->screenbuffer);
371
   
371
   
372
    /* Accept the connection */
372
    /* Accept the connection */
373
    ipc_answer_fast(iid,0,0,0);
373
    ipc_answer_fast(iid,0,0,0);
374
 
374
 
375
    while (1) {
375
    while (1) {
376
        async_serialize_end();
376
        async_serialize_end();
377
        callid = async_get_call(&call);
377
        callid = async_get_call(&call);
378
        async_serialize_start();
378
        async_serialize_start();
379
 
379
 
380
        arg1 = arg2 = 0;
380
        arg1 = arg2 = 0;
381
        switch (IPC_GET_METHOD(call)) {
381
        switch (IPC_GET_METHOD(call)) {
382
        case IPC_M_PHONE_HUNGUP:
382
        case IPC_M_PHONE_HUNGUP:
383
            gcons_notify_disconnect(consnum);
383
            gcons_notify_disconnect(consnum);
384
           
384
           
385
            /* Answer all pending requests */
385
            /* Answer all pending requests */
386
            while (conn->keyrequest_counter > 0) {     
386
            while (conn->keyrequest_counter > 0) {     
387
                conn->keyrequest_counter--;
387
                conn->keyrequest_counter--;
388
                ipc_answer_fast(fifo_pop(conn->keyrequests), ENOENT, 0, 0);
388
                ipc_answer_fast(fifo_pop(conn->keyrequests), ENOENT, 0, 0);
389
                break;
389
                break;
390
            }
390
            }
391
            conn->used = 0;
391
            conn->used = 0;
392
            return;
392
            return;
393
        case CONSOLE_PUTCHAR:
393
        case CONSOLE_PUTCHAR:
394
            write_char(consnum, IPC_GET_ARG1(call));
394
            write_char(consnum, IPC_GET_ARG1(call));
395
            gcons_notify_char(consnum);
395
            gcons_notify_char(consnum);
396
            break;
396
            break;
397
        case CONSOLE_CLEAR:
397
        case CONSOLE_CLEAR:
398
            /* Send message to fb */
398
            /* Send message to fb */
399
            if (consnum == active_console) {
399
            if (consnum == active_console) {
400
                async_msg(fb_info.phone, FB_CLEAR, 0);
400
                async_msg(fb_info.phone, FB_CLEAR, 0);
401
            }
401
            }
402
           
402
           
403
            screenbuffer_clear(&conn->screenbuffer);
403
            screenbuffer_clear(&conn->screenbuffer);
404
           
404
           
405
            break;
405
            break;
406
        case CONSOLE_GOTO:
406
        case CONSOLE_GOTO:
407
           
407
           
408
            screenbuffer_goto(&conn->screenbuffer, IPC_GET_ARG2(call), IPC_GET_ARG1(call));
408
            screenbuffer_goto(&conn->screenbuffer, IPC_GET_ARG2(call), IPC_GET_ARG1(call));
409
            if (consnum == active_console)
409
            if (consnum == active_console)
410
                curs_goto(IPC_GET_ARG1(call),IPC_GET_ARG2(call));
410
                curs_goto(IPC_GET_ARG1(call),IPC_GET_ARG2(call));
411
           
411
           
412
            break;
412
            break;
413
 
413
 
414
        case CONSOLE_GETSIZE:
414
        case CONSOLE_GETSIZE:
415
            arg1 = fb_info.rows;
415
            arg1 = fb_info.rows;
416
            arg2 = fb_info.cols;
416
            arg2 = fb_info.cols;
417
            break;
417
            break;
418
        case CONSOLE_FLUSH:
418
        case CONSOLE_FLUSH:
419
            if (consnum == active_console)
419
            if (consnum == active_console)
420
                async_req_2(fb_info.phone, FB_FLUSH, 0, 0, NULL, NULL);    
420
                async_req_2(fb_info.phone, FB_FLUSH, 0, 0, NULL, NULL);    
421
            break;
421
            break;
422
        case CONSOLE_SET_STYLE:
422
        case CONSOLE_SET_STYLE:
423
           
423
           
424
            arg1 = IPC_GET_ARG1(call);
424
            arg1 = IPC_GET_ARG1(call);
425
            arg2 = IPC_GET_ARG2(call);
425
            arg2 = IPC_GET_ARG2(call);
426
            screenbuffer_set_style(&conn->screenbuffer,arg1, arg2);
426
            screenbuffer_set_style(&conn->screenbuffer,arg1, arg2);
427
            if (consnum == active_console)
427
            if (consnum == active_console)
428
                set_style_col(arg1, arg2);
428
                set_style_col(arg1, arg2);
429
               
429
               
430
            break;
430
            break;
431
        case CONSOLE_CURSOR_VISIBILITY:
431
        case CONSOLE_CURSOR_VISIBILITY:
432
            arg1 = IPC_GET_ARG1(call);
432
            arg1 = IPC_GET_ARG1(call);
433
            conn->screenbuffer.is_cursor_visible = arg1;
433
            conn->screenbuffer.is_cursor_visible = arg1;
434
            if (consnum == active_console)
434
            if (consnum == active_console)
435
                curs_visibility(arg1);
435
                curs_visibility(arg1);
436
            break;
436
            break;
437
        case CONSOLE_GETCHAR:
437
        case CONSOLE_GETCHAR:
438
            if (keybuffer_empty(&conn->keybuffer)) {
438
            if (keybuffer_empty(&conn->keybuffer)) {
439
                /* buffer is empty -> store request */
439
                /* buffer is empty -> store request */
440
                if (conn->keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {     
440
                if (conn->keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {     
441
                    fifo_push(conn->keyrequests, callid);
441
                    fifo_push(conn->keyrequests, callid);
442
                    conn->keyrequest_counter++;
442
                    conn->keyrequest_counter++;
443
                } else {
443
                } else {
444
                    /* no key available and too many requests => fail */
444
                    /* no key available and too many requests => fail */
445
                    ipc_answer_fast(callid, ELIMIT, 0, 0);
445
                    ipc_answer_fast(callid, ELIMIT, 0, 0);
446
                }
446
                }
447
                continue;
447
                continue;
448
            };
448
            };
449
            keybuffer_pop(&conn->keybuffer, (int *)&arg1);
449
            keybuffer_pop(&conn->keybuffer, (int *)&arg1);
450
           
450
           
451
            break;
451
            break;
452
        }
452
        }
453
        ipc_answer_fast(callid, 0, arg1, arg2);
453
        ipc_answer_fast(callid, 0, arg1, arg2);
454
    }
454
    }
455
}
455
}
456
 
456
 
457
int main(int argc, char *argv[])
457
int main(int argc, char *argv[])
458
{
458
{
459
    ipcarg_t phonehash;
459
    ipcarg_t phonehash;
460
    int kbd_phone;
460
    int kbd_phone;
461
    int i;
461
    int i;
462
 
462
 
463
    async_set_client_connection(client_connection);
463
    async_set_client_connection(client_connection);
464
   
464
   
465
    /* Connect to keyboard driver */
465
    /* Connect to keyboard driver */
466
 
466
 
467
    while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {
467
    while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {
468
        usleep(10000);
468
        usleep(10000);
469
    };
469
    };
470
   
470
   
471
    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {
471
    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {
472
        return -1;
472
        return -1;
473
    };
473
    };
474
    async_new_connection(phonehash, 0, NULL, keyboard_events);
474
    async_new_connection(phonehash, 0, NULL, keyboard_events);
475
   
475
   
476
    /* Connect to framebuffer driver */
476
    /* Connect to framebuffer driver */
477
   
477
   
478
    while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {
478
    while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {
479
        usleep(10000);
479
        usleep(10000);
480
    }
480
    }
481
   
481
   
482
    /* Save old kernel screen */
482
    /* Save old kernel screen */
483
    kernel_pixmap = switch_screens(-1);
483
    kernel_pixmap = switch_screens(-1);
484
 
484
 
485
    /* Initialize gcons */
485
    /* Initialize gcons */
486
    gcons_init(fb_info.phone);
486
    gcons_init(fb_info.phone);
487
    /* Synchronize, the gcons can have something in queue */
487
    /* Synchronize, the gcons can have something in queue */
488
    async_req(fb_info.phone, FB_FLUSH, 0, NULL);
488
    async_req(fb_info.phone, FB_FLUSH, 0, NULL);
489
    /* Enable double buffering */
489
    /* Enable double buffering */
490
    async_msg_2(fb_info.phone, FB_VIEWPORT_DB, (sysarg_t)-1, 1);
490
    async_msg_2(fb_info.phone, FB_VIEWPORT_DB, (sysarg_t)-1, 1);
491
   
491
   
492
    async_req_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));
492
    async_req_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));
493
    set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
493
    set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
494
    clrscr();
494
    clrscr();
495
   
495
   
496
    /* Init virtual consoles */
496
    /* Init virtual consoles */
497
    for (i = 0; i < CONSOLE_COUNT; i++) {
497
    for (i = 0; i < CONSOLE_COUNT; i++) {
498
        connections[i].used = 0;
498
        connections[i].used = 0;
499
        keybuffer_init(&(connections[i].keybuffer));
499
        keybuffer_init(&(connections[i].keybuffer));
500
       
500
       
501
        connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;
501
        connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;
502
        connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
502
        connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
503
        connections[i].keyrequest_counter = 0;
503
        connections[i].keyrequest_counter = 0;
504
       
504
       
505
        if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {
505
        if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {
506
            /*FIXME: handle error */
506
            /*FIXME: handle error */
507
            return -1;
507
            return -1;
508
        }
508
        }
509
    }
509
    }
510
    connections[KERNEL_CONSOLE].used = 1;
510
    connections[KERNEL_CONSOLE].used = 1;
511
   
511
   
512
    if ((interbuffer = mmap(NULL, sizeof(keyfield_t) * fb_info.cols * fb_info.rows , PROTO_READ|PROTO_WRITE, MAP_ANONYMOUS|MAP_PRIVATE, 0 ,0 )) != NULL) {
512
    if ((interbuffer = mmap(NULL, sizeof(keyfield_t) * fb_info.cols * fb_info.rows , PROTO_READ|PROTO_WRITE, MAP_ANONYMOUS|MAP_PRIVATE, 0 ,0 )) != NULL) {
513
        if (async_req_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)interbuffer, 0, AS_AREA_READ, NULL, NULL, NULL) != 0) {
513
        if (async_req_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)interbuffer, 0, AS_AREA_READ, NULL, NULL, NULL) != 0) {
514
            munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols * fb_info.rows);
514
            munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols * fb_info.rows);
515
            interbuffer = NULL;
515
            interbuffer = NULL;
516
        }
516
        }
517
    }
517
    }
518
 
518
 
519
    curs_goto(0,0);
519
    curs_goto(0,0);
520
    curs_visibility(connections[active_console].screenbuffer.is_cursor_visible);
520
    curs_visibility(connections[active_console].screenbuffer.is_cursor_visible);
521
 
521
 
522
    /* Register at NS */
522
    /* Register at NS */
523
    if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
523
    if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
524
        return -1;
524
        return -1;
525
    };
525
    };
526
   
526
   
527
    async_manager();
527
    async_manager();
528
 
528
 
529
    return 0;  
529
    return 0;  
530
}
530
}
531
 
531
 
532
/** @}
532
/** @}
533
 */
533
 */
534
 
534