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