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