WebSVN – HelenOS – Diff – /trunk/uspace/console/console.c


/*
 * Copyright (c) 2006 Josef Cejka
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup console
 * @{
 */
/** @file
 */
 
/* TODO: remove */
#include <stdio.h>
 
#include <fb.h>
#include <ipc/ipc.h>
#include <keys.h>
#include <ipc/fb.h>
#include <ipc/services.h>
#include <errno.h>
#include <key_buffer.h>
#include <console.h>
#include <unistd.h>
#include <async.h>
#include <libadt/fifo.h>
#include <screenbuffer.h>
#include <sys/mman.h>
 
#include "gcons.h"
 
#define MAX_KEYREQUESTS_BUFFERED 32
 
#define NAME "CONSOLE"
 
/** Index of currently used virtual console.
 */
int active_console = 0;
 
/** Information about framebuffer
 */
struct {
    int phone;      /**< Framebuffer phone */
    ipcarg_t rows;      /**< Framebuffer rows */
    ipcarg_t cols;      /**< Framebuffer columns */
} fb_info;
 
 
typedef struct {
    keybuffer_t keybuffer;      /**< Buffer for incoming keys. */
    /** Buffer for unsatisfied request for keys. */
    FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
        MAX_KEYREQUESTS_BUFFERED); 
    int keyrequest_counter;     /**< Number of requests in buffer. */
    int client_phone;       /**< Phone to connected client. */
    int used;           /**< 1 if this virtual console is
                     * connected to some client.*/
    screenbuffer_t screenbuffer;    /**< Screenbuffer for saving screen
                     * contents and related settings. */
} connection_t;
 
static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
                         * consoles */
static keyfield_t *interbuffer = NULL;      /**< Pointer to memory shared
                         * with framebufer used for
                         * faster virtual console
                         * switching */
 
static int kernel_pixmap = -1;  /**< Number of fb pixmap, where kernel
                 * console is stored */
 
 
/** Find unused virtual console.
 *
 */
static int find_free_connection(void)
{
    int i;
   
    for (i = 0; i < CONSOLE_COUNT; i++) {
        if (!connections[i].used)
            return i;
    }
    return -1;
}
 
static void clrscr(void)
{
    async_msg(fb_info.phone, FB_CLEAR, 0);
}
 
static void curs_visibility(int v)
{
    async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);
}
 
static void curs_goto(int row, int col)
{
    async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
}
 
static void set_style(style_t *style)
{
    async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,
        style->bg_color);
}
 
static void set_style_col(int fgcolor, int bgcolor)
{
    async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
}
 
static void prtchr(char c, int row, int col)
{
    async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
}
 
/** Check key and process special keys.
 *
 * */
static void write_char(int console, char key)
{
    screenbuffer_t *scr = &(connections[console].screenbuffer);
   
    switch (key) {
    case '\n':
        scr->position_y++;
        scr->position_x = 0;
        break;
    case '\r':
        break;
    case '\t':
        scr->position_x += 8;
        scr->position_x -= scr->position_x % 8;
        break;
    case '\b':
        if (scr->position_x == 0)
            break;
        scr->position_x--;
        if (console == active_console)
            prtchr(' ', scr->position_y, scr->position_x);
        screenbuffer_putchar(scr, ' ');
        break;
    default:   
        if (console == active_console)
            prtchr(key, scr->position_y, scr->position_x);
 
        screenbuffer_putchar(scr, key);
        scr->position_x++;
    }
   
    scr->position_y += (scr->position_x >= scr->size_x);
   
    if (scr->position_y >= scr->size_y) {
        scr->position_y = scr->size_y - 1;
        screenbuffer_clear_line(scr, scr->top_line);
        scr->top_line = (scr->top_line + 1) % scr->size_y;
        if (console == active_console)
            async_msg(fb_info.phone, FB_SCROLL, 1);
    }
   
    scr->position_x = scr->position_x % scr->size_x;
   
    if (console == active_console)
        curs_goto(scr->position_y, scr->position_x);
   
}
 
/** Save current screen to pixmap, draw old pixmap
 *
 * @param oldpixmap Old pixmap
 * @return ID of pixmap of current screen
 */
static int switch_screens(int oldpixmap)
{
    int newpmap;
       
    /* Save screen */
    newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
    if (newpmap < 0)
        return -1;
 
    if (oldpixmap != -1) {
        /* Show old screen */
        async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);
        /* Drop old pixmap */
        async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
    }
   
    return newpmap;
}
 
/** Switch to new console */
static void change_console(int newcons)
{
    connection_t *conn;
    static int console_pixmap = -1;
    int i, j, rc;
    keyfield_t *field;
    style_t *style;
 
    if (newcons == active_console)
        return;
 
    if (newcons == KERNEL_CONSOLE) {
        if (active_console == KERNEL_CONSOLE)
            return;
        active_console = KERNEL_CONSOLE;
        curs_visibility(0);
 
        async_serialize_start();
        if (kernel_pixmap == -1) {
            /* store/restore unsupported */
            set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
            clrscr();
        } else {
            gcons_in_kernel();
            console_pixmap = switch_screens(kernel_pixmap);
            kernel_pixmap = -1;
        }
        async_serialize_end();
 
        __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
        return;
    }
   
    async_serialize_start();
 
    if (console_pixmap != -1) {
        kernel_pixmap = switch_screens(console_pixmap);
        console_pixmap = -1;
    }
    active_console = newcons;
    gcons_change_console(newcons);
    conn = &connections[active_console];
 
    set_style(&conn->screenbuffer.style);
    curs_visibility(0);
    if (interbuffer) {
        for (i = 0; i < conn->screenbuffer.size_x; i++)
            for (j = 0; j < conn->screenbuffer.size_y; j++)
                interbuffer[i + j * conn->screenbuffer.size_x] =
                    *get_field_at(&(conn->screenbuffer),
                    i, j);
        /* This call can preempt, but we are already at the end */
        rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL,
            NULL);     
    };
   
    if ((!interbuffer) || (rc != 0)) {
        set_style(&conn->screenbuffer.style);
        clrscr();
        style = &conn->screenbuffer.style;
 
        for (j = 0; j < conn->screenbuffer.size_y; j++)
            for (i = 0; i < conn->screenbuffer.size_x; i++) {
                field = get_field_at(&(conn->screenbuffer), i,
                    j);
                if (!style_same(*style, field->style))
                    set_style(&field->style);
                style = &field->style;
                if ((field->character == ' ') &&
                    (style_same(field->style,
                    conn->screenbuffer.style)))
                    continue;
 
                prtchr(field->character, j, i);
            }
    }
   
    curs_goto(conn->screenbuffer.position_y,
        conn->screenbuffer.position_x);
    curs_visibility(conn->screenbuffer.is_cursor_visible);
 
    async_serialize_end();
}
 
/** Handler for keyboard */
static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
{
    ipc_callid_t callid;
    ipc_call_t call;
    int retval;
    int c;
    connection_t *conn;
    int newcon;
   
    /* Ignore parameters, the connection is alread opened */
    while (1) {
        callid = async_get_call(&call);
        switch (IPC_GET_METHOD(call)) {
        case IPC_M_PHONE_HUNGUP:
            /* TODO: Handle hangup */
            return;
        case KBD_MS_LEFT:
            newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
            if (newcon != -1)
                change_console(newcon);
            retval = 0;
            break;
        case KBD_MS_MOVE:
            gcons_mouse_move(IPC_GET_ARG1(call),
                IPC_GET_ARG2(call));
            retval = 0;
            break;
        case KBD_PUSHCHAR:
            /* got key from keyboard driver */
           
            retval = 0;
            c = IPC_GET_ARG1(call);
            /* switch to another virtual console */
           
            conn = &connections[active_console];
/*
 *          if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +
 *              CONSOLE_COUNT)) {
 */
            if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
                if (c == 0x112)
                    change_console(KERNEL_CONSOLE);
                else
                    change_console(c - 0x101);
                break;
            }
           
            /* if client is awaiting key, send it */
            if (conn->keyrequest_counter > 0) {    
                conn->keyrequest_counter--;
                ipc_answer_fast(fifo_pop(conn->keyrequests), 0,
                    c, 0);
                break;
            }
           
            keybuffer_push(&conn->keybuffer, c);
            retval = 0;
           
            break;
        default:
            retval = ENOENT;
        }
        ipc_answer_fast(callid, retval, 0, 0);
    }
}
 
/** Default thread for new connections */
static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
{
    ipc_callid_t callid;
    ipc_call_t call;
    int consnum;
    ipcarg_t arg1, arg2;
    connection_t *conn;
 
    if ((consnum = find_free_connection()) == -1) {
        ipc_answer_fast(iid,ELIMIT,0,0);
        return;
    }
    conn = &connections[consnum];
    conn->used = 1;
   
    async_serialize_start();
    gcons_notify_connect(consnum);
    conn->client_phone = IPC_GET_ARG3(call);
    screenbuffer_clear(&conn->screenbuffer);
   
    /* Accept the connection */
    ipc_answer_fast(iid, 0, 0, 0);
 
    while (1) {
        async_serialize_end();
        callid = async_get_call(&call);
        async_serialize_start();
 
        arg1 = arg2 = 0;
        switch (IPC_GET_METHOD(call)) {
        case IPC_M_PHONE_HUNGUP:
            gcons_notify_disconnect(consnum);
           
            /* Answer all pending requests */
            while (conn->keyrequest_counter > 0) {     
                conn->keyrequest_counter--;
                ipc_answer_fast(fifo_pop(conn->keyrequests),
                    ENOENT, 0, 0);
                break;
            }
            conn->used = 0;
            return;
        case CONSOLE_PUTCHAR:
            write_char(consnum, IPC_GET_ARG1(call));
            gcons_notify_char(consnum);
            break;
        case CONSOLE_CLEAR:
            /* Send message to fb */
            if (consnum == active_console) {
                async_msg(fb_info.phone, FB_CLEAR, 0);
            }
           
            screenbuffer_clear(&conn->screenbuffer);
           
            break;
        case CONSOLE_GOTO:
            screenbuffer_goto(&conn->screenbuffer,
                IPC_GET_ARG2(call), IPC_GET_ARG1(call));
            if (consnum == active_console)
                curs_goto(IPC_GET_ARG1(call),
                    IPC_GET_ARG2(call));
            break;
        case CONSOLE_GETSIZE:
            arg1 = fb_info.rows;
            arg2 = fb_info.cols;
            break;
        case CONSOLE_FLUSH:
            if (consnum == active_console)
                async_req_2(fb_info.phone, FB_FLUSH, 0, 0,
                    NULL, NULL);       
            break;
        case CONSOLE_SET_STYLE:
            arg1 = IPC_GET_ARG1(call);
            arg2 = IPC_GET_ARG2(call);
            screenbuffer_set_style(&conn->screenbuffer, arg1, arg2);
            if (consnum == active_console)
                set_style_col(arg1, arg2);
            break;
        case CONSOLE_CURSOR_VISIBILITY:
            arg1 = IPC_GET_ARG1(call);
            conn->screenbuffer.is_cursor_visible = arg1;
            if (consnum == active_console)
                curs_visibility(arg1);
            break;
        case CONSOLE_GETCHAR:
            if (keybuffer_empty(&conn->keybuffer)) {
                /* buffer is empty -> store request */
                if (conn->keyrequest_counter <
                    MAX_KEYREQUESTS_BUFFERED) {
                    fifo_push(conn->keyrequests, callid);
                    conn->keyrequest_counter++;
                } else {
                    /*
                     * No key available and too many
                     * requests => fail.
                    */
                    ipc_answer_fast(callid, ELIMIT, 0, 0);
                }
                continue;
            }
            keybuffer_pop(&conn->keybuffer, (int *) &arg1);
            break;
        }
        ipc_answer_fast(callid, 0, arg1, arg2);
    }
}
 
int main(int argc, char *argv[])
{
    ipcarg_t phonehash;
    int kbd_phone;
    int i;
 
    async_set_client_connection(client_connection);
   
    /* Connect to keyboard driver */
 
    kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
    while (kbd_phone < 0) {
        usleep(10000);
        kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
    }
   
    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0)
        return -1;
    async_new_connection(phonehash, 0, NULL, keyboard_events);
   
    /* Connect to framebuffer driver */
   
    fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0);
    while (fb_info.phone < 0) {
        usleep(10000);
        fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0);
    }
   
    /* Save old kernel screen */
    kernel_pixmap = switch_screens(-1);
 
    /* Initialize gcons */
    gcons_init(fb_info.phone);
    /* Synchronize, the gcons can have something in queue */
    async_req(fb_info.phone, FB_FLUSH, 0, NULL);
    /* Enable double buffering */
    async_msg_2(fb_info.phone, FB_VIEWPORT_DB, (sysarg_t) -1, 1);
   
    async_req_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows),
        &(fb_info.cols));
    set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
    clrscr();
   
    /* Init virtual consoles */
    for (i = 0; i < CONSOLE_COUNT; i++) {
        connections[i].used = 0;
        keybuffer_init(&(connections[i].keybuffer));
       
        connections[i].keyrequests.head =
            connections[i].keyrequests.tail = 0;
        connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
        connections[i].keyrequest_counter = 0;
       
        if (screenbuffer_init(&(connections[i].screenbuffer),
            fb_info.cols, fb_info.rows) == NULL) {
            /* FIXME: handle error */
            return -1;
        }
    }
    connections[KERNEL_CONSOLE].used = 1;
   
    interbuffer = mmap(NULL,
        sizeof(keyfield_t) * fb_info.cols * fb_info.rows,
        PROTO_READ | PROTO_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);
    if (!interbuffer) {
        if (async_req_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)
            interbuffer, 0, AS_AREA_READ, NULL, NULL, NULL) != 0) {
            munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols
                * fb_info.rows);
            interbuffer = NULL;
        }
    }
 
    curs_goto(0, 0);
    curs_visibility(connections[active_console].screenbuffer.is_cursor_visible);
 
    /* Register at NS */
    if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
        return -1;
    }
   
    async_manager();
 
    return 0;  
}
 
/** @}
 */
 

Rev 2070	Rev 2071
1	/*	1	/*
2	* Copyright (C) 2006 Josef Cejka	2	* Copyright (c) 2006 Josef Cejka
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup console	29	/** @addtogroup console
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	/* TODO: remove */	35	/* TODO: remove */
36	#include <stdio.h>	36	#include <stdio.h>
37		37
38	#include <fb.h>	38	#include <fb.h>
39	#include <ipc/ipc.h>	39	#include <ipc/ipc.h>
40	#include <keys.h>	40	#include <keys.h>
41	#include <ipc/fb.h>	41	#include <ipc/fb.h>
42	#include <ipc/services.h>	42	#include <ipc/services.h>
43	#include <errno.h>	43	#include <errno.h>
44	#include <key_buffer.h>	44	#include <key_buffer.h>
45	#include <console.h>	45	#include <console.h>
46	#include <unistd.h>	46	#include <unistd.h>
47	#include <async.h>	47	#include <async.h>
48	#include <libadt/fifo.h>	48	#include <libadt/fifo.h>
49	#include <screenbuffer.h>	49	#include <screenbuffer.h>
50	#include <sys/mman.h>	50	#include <sys/mman.h>
51		51
52	#include "gcons.h"	52	#include "gcons.h"
53		53
54	#define MAX_KEYREQUESTS_BUFFERED 32	54	#define MAX_KEYREQUESTS_BUFFERED 32
55		55
56	#define NAME "CONSOLE"	56	#define NAME "CONSOLE"
57		57
58	/** Index of currently used virtual console.	58	/** Index of currently used virtual console.
59	*/	59	*/
60	int active_console = 0;	60	int active_console = 0;
61		61
62	/** Information about framebuffer	62	/** Information about framebuffer
63	*/	63	*/
64	struct {	64	struct {
65	int phone; /*< Framebuffer phone /	65	int phone; /*< Framebuffer phone /
66	ipcarg_t rows; /*< Framebuffer rows /	66	ipcarg_t rows; /*< Framebuffer rows /
67	ipcarg_t cols; /*< Framebuffer columns /	67	ipcarg_t cols; /*< Framebuffer columns /
68	} fb_info;	68	} fb_info;
69		69
70		70
71	typedef struct {	71	typedef struct {
72	keybuffer_t keybuffer; /*< Buffer for incoming keys. /	72	keybuffer_t keybuffer; /*< Buffer for incoming keys. /
73	/** Buffer for unsatisfied request for keys. */	73	/** Buffer for unsatisfied request for keys. */
74	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,	74	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
75	MAX_KEYREQUESTS_BUFFERED);	75	MAX_KEYREQUESTS_BUFFERED);
76	int keyrequest_counter; /*< Number of requests in buffer. /	76	int keyrequest_counter; /*< Number of requests in buffer. /
77	int client_phone; /*< Phone to connected client. /	77	int client_phone; /*< Phone to connected client. /
78	int used; /**< 1 if this virtual console is	78	int used; /**< 1 if this virtual console is
79	* connected to some client.*/	79	* connected to some client.*/
80	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen	80	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen
81	* contents and related settings. */	81	* contents and related settings. */
82	} connection_t;	82	} connection_t;
83		83
84	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual	84	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
85	* consoles */	85	* consoles */
86	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared	86	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared
87	* with framebufer used for	87	* with framebufer used for
88	* faster virtual console	88	* faster virtual console
89	* switching */	89	* switching */
90		90
91	static int kernel_pixmap = -1; /**< Number of fb pixmap, where kernel	91	static int kernel_pixmap = -1; /**< Number of fb pixmap, where kernel
92	* console is stored */	92	* console is stored */
93		93
94		94
95	/** Find unused virtual console.	95	/** Find unused virtual console.
96	*	96	*
97	*/	97	*/
98	static int find_free_connection(void)	98	static int find_free_connection(void)
99	{	99	{
100	int i;	100	int i;
101		101
102	for (i = 0; i < CONSOLE_COUNT; i++) {	102	for (i = 0; i < CONSOLE_COUNT; i++) {
103	if (!connections[i].used)	103	if (!connections[i].used)
104	return i;	104	return i;
105	}	105	}
106	return -1;	106	return -1;
107	}	107	}
108		108
109	static void clrscr(void)	109	static void clrscr(void)
110	{	110	{
111	async_msg(fb_info.phone, FB_CLEAR, 0);	111	async_msg(fb_info.phone, FB_CLEAR, 0);
112	}	112	}
113		113
114	static void curs_visibility(int v)	114	static void curs_visibility(int v)
115	{	115	{
116	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);	116	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);
117	}	117	}
118		118
119	static void curs_goto(int row, int col)	119	static void curs_goto(int row, int col)
120	{	120	{
121	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);	121	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
122	}	122	}
123		123
124	static void set_style(style_t *style)	124	static void set_style(style_t *style)
125	{	125	{
126	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,	126	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,
127	style->bg_color);	127	style->bg_color);
128	}	128	}
129		129
130	static void set_style_col(int fgcolor, int bgcolor)	130	static void set_style_col(int fgcolor, int bgcolor)
131	{	131	{
132	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);	132	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
133	}	133	}
134		134
135	static void prtchr(char c, int row, int col)	135	static void prtchr(char c, int row, int col)
136	{	136	{
137	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);	137	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
138	}	138	}
139		139
140	/** Check key and process special keys.	140	/** Check key and process special keys.
141	*	141	*
142	* */	142	* */
143	static void write_char(int console, char key)	143	static void write_char(int console, char key)
144	{	144	{
145	screenbuffer_t *scr = &(connections[console].screenbuffer);	145	screenbuffer_t *scr = &(connections[console].screenbuffer);
146		146
147	switch (key) {	147	switch (key) {
148	case '\n':	148	case '\n':
149	scr->position_y++;	149	scr->position_y++;
150	scr->position_x = 0;	150	scr->position_x = 0;
151	break;	151	break;
152	case '\r':	152	case '\r':
153	break;	153	break;
154	case '\t':	154	case '\t':
155	scr->position_x += 8;	155	scr->position_x += 8;
156	scr->position_x -= scr->position_x % 8;	156	scr->position_x -= scr->position_x % 8;
157	break;	157	break;
158	case '\b':	158	case '\b':
159	if (scr->position_x == 0)	159	if (scr->position_x == 0)
160	break;	160	break;
161	scr->position_x--;	161	scr->position_x--;
162	if (console == active_console)	162	if (console == active_console)
163	prtchr(' ', scr->position_y, scr->position_x);	163	prtchr(' ', scr->position_y, scr->position_x);
164	screenbuffer_putchar(scr, ' ');	164	screenbuffer_putchar(scr, ' ');
165	break;	165	break;
166	default:	166	default:
167	if (console == active_console)	167	if (console == active_console)
168	prtchr(key, scr->position_y, scr->position_x);	168	prtchr(key, scr->position_y, scr->position_x);
169		169
170	screenbuffer_putchar(scr, key);	170	screenbuffer_putchar(scr, key);
171	scr->position_x++;	171	scr->position_x++;
172	}	172	}
173		173
174	scr->position_y += (scr->position_x >= scr->size_x);	174	scr->position_y += (scr->position_x >= scr->size_x);
175		175
176	if (scr->position_y >= scr->size_y) {	176	if (scr->position_y >= scr->size_y) {
177	scr->position_y = scr->size_y - 1;	177	scr->position_y = scr->size_y - 1;
178	screenbuffer_clear_line(scr, scr->top_line);	178	screenbuffer_clear_line(scr, scr->top_line);
179	scr->top_line = (scr->top_line + 1) % scr->size_y;	179	scr->top_line = (scr->top_line + 1) % scr->size_y;
180	if (console == active_console)	180	if (console == active_console)
181	async_msg(fb_info.phone, FB_SCROLL, 1);	181	async_msg(fb_info.phone, FB_SCROLL, 1);
182	}	182	}
183		183
184	scr->position_x = scr->position_x % scr->size_x;	184	scr->position_x = scr->position_x % scr->size_x;
185		185
186	if (console == active_console)	186	if (console == active_console)
187	curs_goto(scr->position_y, scr->position_x);	187	curs_goto(scr->position_y, scr->position_x);
188		188
189	}	189	}
190		190
191	/** Save current screen to pixmap, draw old pixmap	191	/** Save current screen to pixmap, draw old pixmap
192	*	192	*
193	* @param oldpixmap Old pixmap	193	* @param oldpixmap Old pixmap
194	* @return ID of pixmap of current screen	194	* @return ID of pixmap of current screen
195	*/	195	*/
196	static int switch_screens(int oldpixmap)	196	static int switch_screens(int oldpixmap)
197	{	197	{
198	int newpmap;	198	int newpmap;
199		199
200	/* Save screen */	200	/* Save screen */
201	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);	201	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
202	if (newpmap < 0)	202	if (newpmap < 0)
203	return -1;	203	return -1;
204		204
205	if (oldpixmap != -1) {	205	if (oldpixmap != -1) {
206	/* Show old screen */	206	/* Show old screen */
207	async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);	207	async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);
208	/* Drop old pixmap */	208	/* Drop old pixmap */
209	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);	209	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
210	}	210	}
211		211
212	return newpmap;	212	return newpmap;
213	}	213	}
214		214
215	/** Switch to new console */	215	/** Switch to new console */
216	static void change_console(int newcons)	216	static void change_console(int newcons)
217	{	217	{
218	connection_t *conn;	218	connection_t *conn;
219	static int console_pixmap = -1;	219	static int console_pixmap = -1;
220	int i, j, rc;	220	int i, j, rc;
221	keyfield_t *field;	221	keyfield_t *field;
222	style_t *style;	222	style_t *style;
223		223
224	if (newcons == active_console)	224	if (newcons == active_console)
225	return;	225	return;
226		226
227	if (newcons == KERNEL_CONSOLE) {	227	if (newcons == KERNEL_CONSOLE) {
228	if (active_console == KERNEL_CONSOLE)	228	if (active_console == KERNEL_CONSOLE)
229	return;	229	return;
230	active_console = KERNEL_CONSOLE;	230	active_console = KERNEL_CONSOLE;
231	curs_visibility(0);	231	curs_visibility(0);
232		232
233	async_serialize_start();	233	async_serialize_start();
234	if (kernel_pixmap == -1) {	234	if (kernel_pixmap == -1) {
235	/* store/restore unsupported */	235	/* store/restore unsupported */
236	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);	236	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
237	clrscr();	237	clrscr();
238	} else {	238	} else {
239	gcons_in_kernel();	239	gcons_in_kernel();
240	console_pixmap = switch_screens(kernel_pixmap);	240	console_pixmap = switch_screens(kernel_pixmap);
241	kernel_pixmap = -1;	241	kernel_pixmap = -1;
242	}	242	}
243	async_serialize_end();	243	async_serialize_end();
244		244
245	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);	245	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
246	return;	246	return;
247	}	247	}
248		248
249	async_serialize_start();	249	async_serialize_start();
250		250
251	if (console_pixmap != -1) {	251	if (console_pixmap != -1) {
252	kernel_pixmap = switch_screens(console_pixmap);	252	kernel_pixmap = switch_screens(console_pixmap);
253	console_pixmap = -1;	253	console_pixmap = -1;
254	}	254	}
255	active_console = newcons;	255	active_console = newcons;
256	gcons_change_console(newcons);	256	gcons_change_console(newcons);
257	conn = &connections[active_console];	257	conn = &connections[active_console];
258		258
259	set_style(&conn->screenbuffer.style);	259	set_style(&conn->screenbuffer.style);
260	curs_visibility(0);	260	curs_visibility(0);
261	if (interbuffer) {	261	if (interbuffer) {
262	for (i = 0; i < conn->screenbuffer.size_x; i++)	262	for (i = 0; i < conn->screenbuffer.size_x; i++)
263	for (j = 0; j < conn->screenbuffer.size_y; j++)	263	for (j = 0; j < conn->screenbuffer.size_y; j++)
264	interbuffer[i + j * conn->screenbuffer.size_x] =	264	interbuffer[i + j * conn->screenbuffer.size_x] =
265	*get_field_at(&(conn->screenbuffer),	265	*get_field_at(&(conn->screenbuffer),
266	i, j);	266	i, j);
267	/* This call can preempt, but we are already at the end */	267	/* This call can preempt, but we are already at the end */
268	rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL,	268	rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL,
269	NULL);	269	NULL);
270	};	270	};
271		271
272	if ((!interbuffer) \|\| (rc != 0)) {	272	if ((!interbuffer) \|\| (rc != 0)) {
273	set_style(&conn->screenbuffer.style);	273	set_style(&conn->screenbuffer.style);
274	clrscr();	274	clrscr();
275	style = &conn->screenbuffer.style;	275	style = &conn->screenbuffer.style;
276		276
277	for (j = 0; j < conn->screenbuffer.size_y; j++)	277	for (j = 0; j < conn->screenbuffer.size_y; j++)
278	for (i = 0; i < conn->screenbuffer.size_x; i++) {	278	for (i = 0; i < conn->screenbuffer.size_x; i++) {
279	field = get_field_at(&(conn->screenbuffer), i,	279	field = get_field_at(&(conn->screenbuffer), i,
280	j);	280	j);
281	if (!style_same(*style, field->style))	281	if (!style_same(*style, field->style))
282	set_style(&field->style);	282	set_style(&field->style);
283	style = &field->style;	283	style = &field->style;
284	if ((field->character == ' ') &&	284	if ((field->character == ' ') &&
285	(style_same(field->style,	285	(style_same(field->style,
286	conn->screenbuffer.style)))	286	conn->screenbuffer.style)))
287	continue;	287	continue;
288		288
289	prtchr(field->character, j, i);	289	prtchr(field->character, j, i);
290	}	290	}
291	}	291	}
292		292
293	curs_goto(conn->screenbuffer.position_y,	293	curs_goto(conn->screenbuffer.position_y,
294	conn->screenbuffer.position_x);	294	conn->screenbuffer.position_x);
295	curs_visibility(conn->screenbuffer.is_cursor_visible);	295	curs_visibility(conn->screenbuffer.is_cursor_visible);
296		296
297	async_serialize_end();	297	async_serialize_end();
298	}	298	}
299		299
300	/** Handler for keyboard */	300	/** Handler for keyboard */
301	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)	301	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
302	{	302	{
303	ipc_callid_t callid;	303	ipc_callid_t callid;
304	ipc_call_t call;	304	ipc_call_t call;
305	int retval;	305	int retval;
306	int c;	306	int c;
307	connection_t *conn;	307	connection_t *conn;
308	int newcon;	308	int newcon;
309		309
310	/* Ignore parameters, the connection is alread opened */	310	/* Ignore parameters, the connection is alread opened */
311	while (1) {	311	while (1) {
312	callid = async_get_call(&call);	312	callid = async_get_call(&call);
313	switch (IPC_GET_METHOD(call)) {	313	switch (IPC_GET_METHOD(call)) {
314	case IPC_M_PHONE_HUNGUP:	314	case IPC_M_PHONE_HUNGUP:
315	/* TODO: Handle hangup */	315	/* TODO: Handle hangup */
316	return;	316	return;
317	case KBD_MS_LEFT:	317	case KBD_MS_LEFT:
318	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));	318	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
319	if (newcon != -1)	319	if (newcon != -1)
320	change_console(newcon);	320	change_console(newcon);
321	retval = 0;	321	retval = 0;
322	break;	322	break;
323	case KBD_MS_MOVE:	323	case KBD_MS_MOVE:
324	gcons_mouse_move(IPC_GET_ARG1(call),	324	gcons_mouse_move(IPC_GET_ARG1(call),
325	IPC_GET_ARG2(call));	325	IPC_GET_ARG2(call));
326	retval = 0;	326	retval = 0;
327	break;	327	break;
328	case KBD_PUSHCHAR:	328	case KBD_PUSHCHAR:
329	/* got key from keyboard driver */	329	/* got key from keyboard driver */
330		330
331	retval = 0;	331	retval = 0;
332	c = IPC_GET_ARG1(call);	332	c = IPC_GET_ARG1(call);
333	/* switch to another virtual console */	333	/* switch to another virtual console */
334		334
335	conn = &connections[active_console];	335	conn = &connections[active_console];
336	/*	336	/*
337	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +	337	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +
338	* CONSOLE_COUNT)) {	338	* CONSOLE_COUNT)) {
339	*/	339	*/
340	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {	340	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
341	if (c == 0x112)	341	if (c == 0x112)
342	change_console(KERNEL_CONSOLE);	342	change_console(KERNEL_CONSOLE);
343	else	343	else
344	change_console(c - 0x101);	344	change_console(c - 0x101);
345	break;	345	break;
346	}	346	}
347		347
348	/* if client is awaiting key, send it */	348	/* if client is awaiting key, send it */
349	if (conn->keyrequest_counter > 0) {	349	if (conn->keyrequest_counter > 0) {
350	conn->keyrequest_counter--;	350	conn->keyrequest_counter--;
351	ipc_answer_fast(fifo_pop(conn->keyrequests), 0,	351	ipc_answer_fast(fifo_pop(conn->keyrequests), 0,
352	c, 0);	352	c, 0);
353	break;	353	break;
354	}	354	}
355		355
356	keybuffer_push(&conn->keybuffer, c);	356	keybuffer_push(&conn->keybuffer, c);
357	retval = 0;	357	retval = 0;
358		358
359	break;	359	break;
360	default:	360	default:
361	retval = ENOENT;	361	retval = ENOENT;
362	}	362	}
363	ipc_answer_fast(callid, retval, 0, 0);	363	ipc_answer_fast(callid, retval, 0, 0);
364	}	364	}
365	}	365	}
366		366
367	/** Default thread for new connections */	367	/** Default thread for new connections */
368	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)	368	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
369	{	369	{
370	ipc_callid_t callid;	370	ipc_callid_t callid;
371	ipc_call_t call;	371	ipc_call_t call;
372	int consnum;	372	int consnum;
373	ipcarg_t arg1, arg2;	373	ipcarg_t arg1, arg2;
374	connection_t *conn;	374	connection_t *conn;
375		375
376	if ((consnum = find_free_connection()) == -1) {	376	if ((consnum = find_free_connection()) == -1) {
377	ipc_answer_fast(iid,ELIMIT,0,0);	377	ipc_answer_fast(iid,ELIMIT,0,0);
378	return;	378	return;
379	}	379	}
380	conn = &connections[consnum];	380	conn = &connections[consnum];
381	conn->used = 1;	381	conn->used = 1;
382		382
383	async_serialize_start();	383	async_serialize_start();
384	gcons_notify_connect(consnum);	384	gcons_notify_connect(consnum);
385	conn->client_phone = IPC_GET_ARG3(call);	385	conn->client_phone = IPC_GET_ARG3(call);
386	screenbuffer_clear(&conn->screenbuffer);	386	screenbuffer_clear(&conn->screenbuffer);
387		387
388	/* Accept the connection */	388	/* Accept the connection */
389	ipc_answer_fast(iid, 0, 0, 0);	389	ipc_answer_fast(iid, 0, 0, 0);
390		390
391	while (1) {	391	while (1) {
392	async_serialize_end();	392	async_serialize_end();
393	callid = async_get_call(&call);	393	callid = async_get_call(&call);
394	async_serialize_start();	394	async_serialize_start();
395		395
396	arg1 = arg2 = 0;	396	arg1 = arg2 = 0;
397	switch (IPC_GET_METHOD(call)) {	397	switch (IPC_GET_METHOD(call)) {
398	case IPC_M_PHONE_HUNGUP:	398	case IPC_M_PHONE_HUNGUP:
399	gcons_notify_disconnect(consnum);	399	gcons_notify_disconnect(consnum);
400		400
401	/* Answer all pending requests */	401	/* Answer all pending requests */
402	while (conn->keyrequest_counter > 0) {	402	while (conn->keyrequest_counter > 0) {
403	conn->keyrequest_counter--;	403	conn->keyrequest_counter--;
404	ipc_answer_fast(fifo_pop(conn->keyrequests),	404	ipc_answer_fast(fifo_pop(conn->keyrequests),
405	ENOENT, 0, 0);	405	ENOENT, 0, 0);
406	break;	406	break;
407	}	407	}
408	conn->used = 0;	408	conn->used = 0;
409	return;	409	return;
410	case CONSOLE_PUTCHAR:	410	case CONSOLE_PUTCHAR:
411	write_char(consnum, IPC_GET_ARG1(call));	411	write_char(consnum, IPC_GET_ARG1(call));
412	gcons_notify_char(consnum);	412	gcons_notify_char(consnum);
413	break;	413	break;
414	case CONSOLE_CLEAR:	414	case CONSOLE_CLEAR:
415	/* Send message to fb */	415	/* Send message to fb */
416	if (consnum == active_console) {	416	if (consnum == active_console) {
417	async_msg(fb_info.phone, FB_CLEAR, 0);	417	async_msg(fb_info.phone, FB_CLEAR, 0);
418	}	418	}
419		419
420	screenbuffer_clear(&conn->screenbuffer);	420	screenbuffer_clear(&conn->screenbuffer);
421		421
422	break;	422	break;
423	case CONSOLE_GOTO:	423	case CONSOLE_GOTO:
424	screenbuffer_goto(&conn->screenbuffer,	424	screenbuffer_goto(&conn->screenbuffer,
425	IPC_GET_ARG2(call), IPC_GET_ARG1(call));	425	IPC_GET_ARG2(call), IPC_GET_ARG1(call));
426	if (consnum == active_console)	426	if (consnum == active_console)
427	curs_goto(IPC_GET_ARG1(call),	427	curs_goto(IPC_GET_ARG1(call),
428	IPC_GET_ARG2(call));	428	IPC_GET_ARG2(call));
429	break;	429	break;
430	case CONSOLE_GETSIZE:	430	case CONSOLE_GETSIZE:
431	arg1 = fb_info.rows;	431	arg1 = fb_info.rows;
432	arg2 = fb_info.cols;	432	arg2 = fb_info.cols;
433	break;	433	break;
434	case CONSOLE_FLUSH:	434	case CONSOLE_FLUSH:
435	if (consnum == active_console)	435	if (consnum == active_console)
436	async_req_2(fb_info.phone, FB_FLUSH, 0, 0,	436	async_req_2(fb_info.phone, FB_FLUSH, 0, 0,
437	NULL, NULL);	437	NULL, NULL);
438	break;	438	break;
439	case CONSOLE_SET_STYLE:	439	case CONSOLE_SET_STYLE:
440	arg1 = IPC_GET_ARG1(call);	440	arg1 = IPC_GET_ARG1(call);
441	arg2 = IPC_GET_ARG2(call);	441	arg2 = IPC_GET_ARG2(call);
442	screenbuffer_set_style(&conn->screenbuffer, arg1, arg2);	442	screenbuffer_set_style(&conn->screenbuffer, arg1, arg2);
443	if (consnum == active_console)	443	if (consnum == active_console)
444	set_style_col(arg1, arg2);	444	set_style_col(arg1, arg2);
445	break;	445	break;
446	case CONSOLE_CURSOR_VISIBILITY:	446	case CONSOLE_CURSOR_VISIBILITY:
447	arg1 = IPC_GET_ARG1(call);	447	arg1 = IPC_GET_ARG1(call);
448	conn->screenbuffer.is_cursor_visible = arg1;	448	conn->screenbuffer.is_cursor_visible = arg1;
449	if (consnum == active_console)	449	if (consnum == active_console)
450	curs_visibility(arg1);	450	curs_visibility(arg1);
451	break;	451	break;
452	case CONSOLE_GETCHAR:	452	case CONSOLE_GETCHAR:
453	if (keybuffer_empty(&conn->keybuffer)) {	453	if (keybuffer_empty(&conn->keybuffer)) {
454	/* buffer is empty -> store request */	454	/* buffer is empty -> store request */
455	if (conn->keyrequest_counter <	455	if (conn->keyrequest_counter <
456	MAX_KEYREQUESTS_BUFFERED) {	456	MAX_KEYREQUESTS_BUFFERED) {
457	fifo_push(conn->keyrequests, callid);	457	fifo_push(conn->keyrequests, callid);
458	conn->keyrequest_counter++;	458	conn->keyrequest_counter++;
459	} else {	459	} else {
460	/*	460	/*
461	* No key available and too many	461	* No key available and too many
462	* requests => fail.	462	* requests => fail.
463	*/	463	*/
464	ipc_answer_fast(callid, ELIMIT, 0, 0);	464	ipc_answer_fast(callid, ELIMIT, 0, 0);
465	}	465	}
466	continue;	466	continue;
467	}	467	}
468	keybuffer_pop(&conn->keybuffer, (int *) &arg1);	468	keybuffer_pop(&conn->keybuffer, (int *) &arg1);
469	break;	469	break;
470	}	470	}
471	ipc_answer_fast(callid, 0, arg1, arg2);	471	ipc_answer_fast(callid, 0, arg1, arg2);
472	}	472	}
473	}	473	}
474		474
475	int main(int argc, char *argv[])	475	int main(int argc, char *argv[])
476	{	476	{
477	ipcarg_t phonehash;	477	ipcarg_t phonehash;
478	int kbd_phone;	478	int kbd_phone;
479	int i;	479	int i;
480		480
481	async_set_client_connection(client_connection);	481	async_set_client_connection(client_connection);
482		482
483	/* Connect to keyboard driver */	483	/* Connect to keyboard driver */
484		484
485	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);	485	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
486	while (kbd_phone < 0) {	486	while (kbd_phone < 0) {
487	usleep(10000);	487	usleep(10000);
488	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);	488	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
489	}	489	}
490		490
491	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0)	491	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0)
492	return -1;	492	return -1;
493	async_new_connection(phonehash, 0, NULL, keyboard_events);	493	async_new_connection(phonehash, 0, NULL, keyboard_events);
494		494
495	/* Connect to framebuffer driver */	495	/* Connect to framebuffer driver */
496		496
497	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0);	497	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0);
498	while (fb_info.phone < 0) {	498	while (fb_info.phone < 0) {
499	usleep(10000);	499	usleep(10000);
500	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0);	500	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0);

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(root)/trunk/uspace/console/console.c – Rev 2070 → 2071