WebSVN – HelenOS – Diff – /branches/dynload/uspace/srv/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
 */
 
#include <libc.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 <stdio.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_0(fb_info.phone, FB_CLEAR);
}
 
static void curs_visibility(int v)
{
    async_msg_1(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_1(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_0_0(fb_info.phone, FB_VP2PIXMAP);
    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_1(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++) {
                unsigned int size_x;
 
                size_x = conn->screenbuffer.size_x;
                interbuffer[i + j * size_x] =
                    *get_field_at(&conn->screenbuffer, i, j);
            }
        /* This call can preempt, but we are already at the end */
        rc = async_req_0_0(fb_info.phone, FB_DRAW_TEXT_DATA);      
    }
   
    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_1(fifo_pop(conn->keyrequests), EOK,
                    c);
                break;
            }
           
            keybuffer_push(&conn->keybuffer, c);
            retval = 0;
           
            break;
        default:
            retval = ENOENT;
        }
        ipc_answer_0(callid, retval);
    }
}
 
/** 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_0(iid, ELIMIT);
        return;
    }
    conn = &connections[consnum];
    conn->used = 1;
   
    async_serialize_start();
    gcons_notify_connect(consnum);
    conn->client_phone = IPC_GET_ARG5(*icall);
    screenbuffer_clear(&conn->screenbuffer);
   
    /* Accept the connection */
    ipc_answer_0(iid, EOK);
 
    while (1) {
        async_serialize_end();
        callid = async_get_call(&call);
        async_serialize_start();
 
        arg1 = 0;
        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_0(fifo_pop(conn->keyrequests),
                    ENOENT);
                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_0(fb_info.phone, FB_CLEAR);
            }
           
            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_0_0(fb_info.phone, FB_FLUSH);
            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_0(callid, ELIMIT);
                }
                continue;
            }
            int ch;
            keybuffer_pop(&conn->keybuffer, &ch);
            arg1 = ch;
            break;
        }
        ipc_answer_2(callid, EOK, arg1, arg2);
    }
}
 
int main(int argc, char *argv[])
{
    printf(NAME ": HelenOS Console service\n");
   
    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, 0);
    while (kbd_phone < 0) {
        usleep(10000);
        kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
    }
   
    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 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, 0);
    while (fb_info.phone < 0) {
        usleep(10000);
        fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0, 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_0_0(fb_info.phone, FB_FLUSH);
    /* Enable double buffering */
    async_msg_2(fb_info.phone, FB_VIEWPORT_DB, (sysarg_t) -1, 1);
   
    async_req_0_2(fb_info.phone, FB_GET_CSIZE, &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 = 0;
        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 (ipc_share_out_start(fb_info.phone, interbuffer,
            AS_AREA_READ) != EOK) {
            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, 0, &phonehash) != 0)
        return -1;
   
    // FIXME: avoid connectiong to itself, keep using klog
    // printf(NAME ": Accepting connections\n");
    async_manager();
 
    return 0;  
}
 
/** @}
 */
 

Rev 3150	Rev 3674
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	#include <libc.h>	35	#include <libc.h>
36	#include <fb.h>	36	#include <fb.h>
37	#include <ipc/ipc.h>	37	#include <ipc/ipc.h>
38	#include <keys.h>	38	#include <keys.h>
39	#include <ipc/fb.h>	39	#include <ipc/fb.h>
40	#include <ipc/services.h>	40	#include <ipc/services.h>
41	#include <errno.h>	41	#include <errno.h>
42	#include <key_buffer.h>	42	#include <key_buffer.h>
43	#include <console.h>	43	#include <console.h>
44	#include <unistd.h>	44	#include <unistd.h>
45	#include <async.h>	45	#include <async.h>
46	#include <libadt/fifo.h>	46	#include <libadt/fifo.h>
47	#include <screenbuffer.h>	47	#include <screenbuffer.h>
48	#include <sys/mman.h>	48	#include <sys/mman.h>
49	#include <stdio.h>	49	#include <stdio.h>
50		50
51	#include "gcons.h"	51	#include "gcons.h"
52		52
53	#define MAX_KEYREQUESTS_BUFFERED 32	53	#define MAX_KEYREQUESTS_BUFFERED 32
54		54
55	#define NAME "console"	55	#define NAME "console"
56		56
57	/** Index of currently used virtual console.	57	/** Index of currently used virtual console.
58	*/	58	*/
59	int active_console = 0;	59	int active_console = 0;
60		60
61	/** Information about framebuffer	61	/** Information about framebuffer
62	*/	62	*/
63	struct {	63	struct {
64	int phone; /*< Framebuffer phone /	64	int phone; /*< Framebuffer phone /
65	ipcarg_t rows; /*< Framebuffer rows /	65	ipcarg_t rows; /*< Framebuffer rows /
66	ipcarg_t cols; /*< Framebuffer columns /	66	ipcarg_t cols; /*< Framebuffer columns /
67	} fb_info;	67	} fb_info;
68		68
69	typedef struct {	69	typedef struct {
70	keybuffer_t keybuffer; /*< Buffer for incoming keys. /	70	keybuffer_t keybuffer; /*< Buffer for incoming keys. /
71	/** Buffer for unsatisfied request for keys. */	71	/** Buffer for unsatisfied request for keys. */
72	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,	72	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
73	MAX_KEYREQUESTS_BUFFERED);	73	MAX_KEYREQUESTS_BUFFERED);
74	int keyrequest_counter; /*< Number of requests in buffer. /	74	int keyrequest_counter; /*< Number of requests in buffer. /
75	int client_phone; /*< Phone to connected client. /	75	int client_phone; /*< Phone to connected client. /
76	int used; /**< 1 if this virtual console is	76	int used; /**< 1 if this virtual console is
77	* connected to some client.*/	77	* connected to some client.*/
78	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen	78	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen
79	* contents and related settings. */	79	* contents and related settings. */
80	} connection_t;	80	} connection_t;
81		81
82	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual	82	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
83	* consoles */	83	* consoles */
84	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared	84	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared
85	* with framebufer used for	85	* with framebufer used for
86	* faster virtual console	86	* faster virtual console
87	* switching */	87	* switching */
88		88
89	static int kernel_pixmap = -1; /**< Number of fb pixmap, where kernel	89	static int kernel_pixmap = -1; /**< Number of fb pixmap, where kernel
90	* console is stored */	90	* console is stored */
91		91
92		92
93	/** Find unused virtual console.	93	/** Find unused virtual console.
94	*	94	*
95	*/	95	*/
96	static int find_free_connection(void)	96	static int find_free_connection(void)
97	{	97	{
98	int i;	98	int i;
99		99
100	for (i = 0; i < CONSOLE_COUNT; i++) {	100	for (i = 0; i < CONSOLE_COUNT; i++) {
101	if (!connections[i].used)	101	if (!connections[i].used)
102	return i;	102	return i;
103	}	103	}
104	return -1;	104	return -1;
105	}	105	}
106		106
107	static void clrscr(void)	107	static void clrscr(void)
108	{	108	{
109	async_msg_0(fb_info.phone, FB_CLEAR);	109	async_msg_0(fb_info.phone, FB_CLEAR);
110	}	110	}
111		111
112	static void curs_visibility(int v)	112	static void curs_visibility(int v)
113	{	113	{
114	async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, v);	114	async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, v);
115	}	115	}
116		116
117	static void curs_goto(int row, int col)	117	static void curs_goto(int row, int col)
118	{	118	{
119	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);	119	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
120	}	120	}
121		121
122	static void set_style(style_t *style)	122	static void set_style(style_t *style)
123	{	123	{
124	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,	124	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,
125	style->bg_color);	125	style->bg_color);
126	}	126	}
127		127
128	static void set_style_col(int fgcolor, int bgcolor)	128	static void set_style_col(int fgcolor, int bgcolor)
129	{	129	{
130	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);	130	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
131	}	131	}
132		132
133	static void prtchr(char c, int row, int col)	133	static void prtchr(char c, int row, int col)
134	{	134	{
135	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);	135	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
136	}	136	}
137		137
138	/** Check key and process special keys.	138	/** Check key and process special keys.
139	*	139	*
140	*	140	*
141	*/	141	*/
142	static void write_char(int console, char key)	142	static void write_char(int console, char key)
143	{	143	{
144	screenbuffer_t *scr = &(connections[console].screenbuffer);	144	screenbuffer_t *scr = &(connections[console].screenbuffer);
145		145
146	switch (key) {	146	switch (key) {
147	case '\n':	147	case '\n':
148	scr->position_y++;	148	scr->position_y++;
149	scr->position_x = 0;	149	scr->position_x = 0;
150	break;	150	break;
151	case '\r':	151	case '\r':
152	break;	152	break;
153	case '\t':	153	case '\t':
154	scr->position_x += 8;	154	scr->position_x += 8;
155	scr->position_x -= scr->position_x % 8;	155	scr->position_x -= scr->position_x % 8;
156	break;	156	break;
157	case '\b':	157	case '\b':
158	if (scr->position_x == 0)	158	if (scr->position_x == 0)
159	break;	159	break;
160	scr->position_x--;	160	scr->position_x--;
161	if (console == active_console)	161	if (console == active_console)
162	prtchr(' ', scr->position_y, scr->position_x);	162	prtchr(' ', scr->position_y, scr->position_x);
163	screenbuffer_putchar(scr, ' ');	163	screenbuffer_putchar(scr, ' ');
164	break;	164	break;
165	default:	165	default:
166	if (console == active_console)	166	if (console == active_console)
167	prtchr(key, scr->position_y, scr->position_x);	167	prtchr(key, scr->position_y, scr->position_x);
168		168
169	screenbuffer_putchar(scr, key);	169	screenbuffer_putchar(scr, key);
170	scr->position_x++;	170	scr->position_x++;
171	}	171	}
172		172
173	scr->position_y += (scr->position_x >= scr->size_x);	173	scr->position_y += (scr->position_x >= scr->size_x);
174		174
175	if (scr->position_y >= scr->size_y) {	175	if (scr->position_y >= scr->size_y) {
176	scr->position_y = scr->size_y - 1;	176	scr->position_y = scr->size_y - 1;
177	screenbuffer_clear_line(scr, scr->top_line);	177	screenbuffer_clear_line(scr, scr->top_line);
178	scr->top_line = (scr->top_line + 1) % scr->size_y;	178	scr->top_line = (scr->top_line + 1) % scr->size_y;
179	if (console == active_console)	179	if (console == active_console)
180	async_msg_1(fb_info.phone, FB_SCROLL, 1);	180	async_msg_1(fb_info.phone, FB_SCROLL, 1);
181	}	181	}
182		182
183	scr->position_x = scr->position_x % scr->size_x;	183	scr->position_x = scr->position_x % scr->size_x;
184		184
185	if (console == active_console)	185	if (console == active_console)
186	curs_goto(scr->position_y, scr->position_x);	186	curs_goto(scr->position_y, scr->position_x);
187		187
188	}	188	}
189		189
190	/** Save current screen to pixmap, draw old pixmap	190	/** Save current screen to pixmap, draw old pixmap
191	*	191	*
192	* @param oldpixmap Old pixmap	192	* @param oldpixmap Old pixmap
193	* @return ID of pixmap of current screen	193	* @return ID of pixmap of current screen
194	*/	194	*/
195	static int switch_screens(int oldpixmap)	195	static int switch_screens(int oldpixmap)
196	{	196	{
197	int newpmap;	197	int newpmap;
198		198
199	/* Save screen */	199	/* Save screen */
200	newpmap = async_req_0_0(fb_info.phone, FB_VP2PIXMAP);	200	newpmap = async_req_0_0(fb_info.phone, FB_VP2PIXMAP);
201	if (newpmap < 0)	201	if (newpmap < 0)
202	return -1;	202	return -1;
203		203
204	if (oldpixmap != -1) {	204	if (oldpixmap != -1) {
205	/* Show old screen */	205	/* Show old screen */
206	async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);	206	async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);
207	/* Drop old pixmap */	207	/* Drop old pixmap */
208	async_msg_1(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);	208	async_msg_1(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
209	}	209	}
210		210
211	return newpmap;	211	return newpmap;
212	}	212	}
213		213
214	/** Switch to new console */	214	/** Switch to new console */
215	static void change_console(int newcons)	215	static void change_console(int newcons)
216	{	216	{
217	connection_t *conn;	217	connection_t *conn;
218	static int console_pixmap = -1;	218	static int console_pixmap = -1;
219	int i, j, rc;	219	int i, j, rc;
220	keyfield_t *field;	220	keyfield_t *field;
221	style_t *style;	221	style_t *style;
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	async_serialize_start();	232	async_serialize_start();
233	if (kernel_pixmap == -1) {	233	if (kernel_pixmap == -1) {
234	/* store/restore unsupported */	234	/* store/restore unsupported */
235	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);	235	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
236	clrscr();	236	clrscr();
237	} else {	237	} else {
238	gcons_in_kernel();	238	gcons_in_kernel();
239	console_pixmap = switch_screens(kernel_pixmap);	239	console_pixmap = switch_screens(kernel_pixmap);
240	kernel_pixmap = -1;	240	kernel_pixmap = -1;
241	}	241	}
242	async_serialize_end();	242	async_serialize_end();
243		243
244	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);	244	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
245	return;	245	return;
246	}	246	}
247		247
248	async_serialize_start();	248	async_serialize_start();
249		249
250	if (console_pixmap != -1) {	250	if (console_pixmap != -1) {
251	kernel_pixmap = switch_screens(console_pixmap);	251	kernel_pixmap = switch_screens(console_pixmap);
252	console_pixmap = -1;	252	console_pixmap = -1;
253	}	253	}
254	active_console = newcons;	254	active_console = newcons;
255	gcons_change_console(newcons);	255	gcons_change_console(newcons);
256	conn = &connections[active_console];	256	conn = &connections[active_console];
257		257
258	set_style(&conn->screenbuffer.style);	258	set_style(&conn->screenbuffer.style);
259	curs_visibility(0);	259	curs_visibility(0);
260	if (interbuffer) {	260	if (interbuffer) {
261	for (i = 0; i < conn->screenbuffer.size_x; i++)	261	for (i = 0; i < conn->screenbuffer.size_x; i++)
262	for (j = 0; j < conn->screenbuffer.size_y; j++) {	262	for (j = 0; j < conn->screenbuffer.size_y; j++) {
263	unsigned int size_x;	263	unsigned int size_x;
264		264
265	size_x = conn->screenbuffer.size_x;	265	size_x = conn->screenbuffer.size_x;
266	interbuffer[i + j * size_x] =	266	interbuffer[i + j * size_x] =
267	*get_field_at(&conn->screenbuffer, i, j);	267	*get_field_at(&conn->screenbuffer, i, j);
268	}	268	}
269	/* This call can preempt, but we are already at the end */	269	/* This call can preempt, but we are already at the end */
270	rc = async_req_0_0(fb_info.phone, FB_DRAW_TEXT_DATA);	270	rc = async_req_0_0(fb_info.phone, FB_DRAW_TEXT_DATA);
271	}	271	}
272		272
273	if ((!interbuffer) \|\| (rc != 0)) {	273	if ((!interbuffer) \|\| (rc != 0)) {
274	set_style(&conn->screenbuffer.style);	274	set_style(&conn->screenbuffer.style);
275	clrscr();	275	clrscr();
276	style = &conn->screenbuffer.style;	276	style = &conn->screenbuffer.style;
277		277
278	for (j = 0; j < conn->screenbuffer.size_y; j++)	278	for (j = 0; j < conn->screenbuffer.size_y; j++)
279	for (i = 0; i < conn->screenbuffer.size_x; i++) {	279	for (i = 0; i < conn->screenbuffer.size_x; i++) {
280	field = get_field_at(&conn->screenbuffer, i, j);	280	field = get_field_at(&conn->screenbuffer, i, 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		-
331	retval = 0;	330	retval = 0;
332	c = IPC_GET_ARG1(call);	331	c = IPC_GET_ARG1(call);
333	/* switch to another virtual console */	332	/* switch to another virtual console */
334		333
335	conn = &connections[active_console];	334	conn = &connections[active_console];
336	/*	335	/*
337	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +	336	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +
338	* CONSOLE_COUNT)) {	337	* CONSOLE_COUNT)) {
339	*/	338	*/
340	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {	339	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
341	if (c == 0x112)	340	if (c == 0x112)
342	change_console(KERNEL_CONSOLE);	341	change_console(KERNEL_CONSOLE);
343	else	342	else
344	change_console(c - 0x101);	343	change_console(c - 0x101);
345	break;	344	break;
346	}	345	}
347		346
348	/* if client is awaiting key, send it */	347	/* if client is awaiting key, send it */
349	if (conn->keyrequest_counter > 0) {	348	if (conn->keyrequest_counter > 0) {
350	conn->keyrequest_counter--;	349	conn->keyrequest_counter--;
351	ipc_answer_1(fifo_pop(conn->keyrequests), EOK,	350	ipc_answer_1(fifo_pop(conn->keyrequests), EOK,
352	c);	351	c);
353	break;	352	break;
354	}	353	}
355		354
356	keybuffer_push(&conn->keybuffer, c);	355	keybuffer_push(&conn->keybuffer, c);
357	retval = 0;	356	retval = 0;
358		357
359	break;	358	break;
360	default:	359	default:
361	retval = ENOENT;	360	retval = ENOENT;
362	}	361	}
363	ipc_answer_0(callid, retval);	362	ipc_answer_0(callid, retval);
364	}	363	}
365	}	364	}
366		365
367	/** Default thread for new connections */	366	/** Default thread for new connections */
368	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)	367	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
369	{	368	{
370	ipc_callid_t callid;	369	ipc_callid_t callid;
371	ipc_call_t call;	370	ipc_call_t call;
372	int consnum;	371	int consnum;
373	ipcarg_t arg1, arg2;	372	ipcarg_t arg1, arg2;
374	connection_t *conn;	373	connection_t *conn;
375		374
376	if ((consnum = find_free_connection()) == -1) {	375	if ((consnum = find_free_connection()) == -1) {
377	ipc_answer_0(iid, ELIMIT);	376	ipc_answer_0(iid, ELIMIT);
378	return;	377	return;
379	}	378	}
380	conn = &connections[consnum];	379	conn = &connections[consnum];
381	conn->used = 1;	380	conn->used = 1;
382		381
383	async_serialize_start();	382	async_serialize_start();
384	gcons_notify_connect(consnum);	383	gcons_notify_connect(consnum);
385	conn->client_phone = IPC_GET_ARG5(*icall);	384	conn->client_phone = IPC_GET_ARG5(*icall);
386	screenbuffer_clear(&conn->screenbuffer);	385	screenbuffer_clear(&conn->screenbuffer);
387		386
388	/* Accept the connection */	387	/* Accept the connection */
389	ipc_answer_0(iid, EOK);	388	ipc_answer_0(iid, EOK);
390		389
391	while (1) {	390	while (1) {
392	async_serialize_end();	391	async_serialize_end();
393	callid = async_get_call(&call);	392	callid = async_get_call(&call);
394	async_serialize_start();	393	async_serialize_start();
395		394
396	arg1 = 0;	395	arg1 = 0;
397	arg2 = 0;	396	arg2 = 0;
398	switch (IPC_GET_METHOD(call)) {	397	switch (IPC_GET_METHOD(call)) {
399	case IPC_M_PHONE_HUNGUP:	398	case IPC_M_PHONE_HUNGUP:
400	gcons_notify_disconnect(consnum);	399	gcons_notify_disconnect(consnum);
401		400
402	/* Answer all pending requests */	401	/* Answer all pending requests */
403	while (conn->keyrequest_counter > 0) {	402	while (conn->keyrequest_counter > 0) {
404	conn->keyrequest_counter--;	403	conn->keyrequest_counter--;
405	ipc_answer_0(fifo_pop(conn->keyrequests),	404	ipc_answer_0(fifo_pop(conn->keyrequests),
406	ENOENT);	405	ENOENT);
407	break;	406	break;
408	}	407	}
409	conn->used = 0;	408	conn->used = 0;
410	return;	409	return;
411	case CONSOLE_PUTCHAR:	410	case CONSOLE_PUTCHAR:
412	write_char(consnum, IPC_GET_ARG1(call));	411	write_char(consnum, IPC_GET_ARG1(call));
413	gcons_notify_char(consnum);	412	gcons_notify_char(consnum);
414	break;	413	break;
415	case CONSOLE_CLEAR:	414	case CONSOLE_CLEAR:
416	/* Send message to fb */	415	/* Send message to fb */
417	if (consnum == active_console) {	416	if (consnum == active_console) {
418	async_msg_0(fb_info.phone, FB_CLEAR);	417	async_msg_0(fb_info.phone, FB_CLEAR);
419	}	418	}
420		419
421	screenbuffer_clear(&conn->screenbuffer);	420	screenbuffer_clear(&conn->screenbuffer);
422		421
423	break;	422	break;
424	case CONSOLE_GOTO:	423	case CONSOLE_GOTO:
425	screenbuffer_goto(&conn->screenbuffer,	424	screenbuffer_goto(&conn->screenbuffer,
426	IPC_GET_ARG2(call), IPC_GET_ARG1(call));	425	IPC_GET_ARG2(call), IPC_GET_ARG1(call));
427	if (consnum == active_console)	426	if (consnum == active_console)
428	curs_goto(IPC_GET_ARG1(call),	427	curs_goto(IPC_GET_ARG1(call),
429	IPC_GET_ARG2(call));	428	IPC_GET_ARG2(call));
430	break;	429	break;
431	case CONSOLE_GETSIZE:	430	case CONSOLE_GETSIZE:
432	arg1 = fb_info.rows;	431	arg1 = fb_info.rows;
433	arg2 = fb_info.cols;	432	arg2 = fb_info.cols;
434	break;	433	break;
435	case CONSOLE_FLUSH:	434	case CONSOLE_FLUSH:
436	if (consnum == active_console)	435	if (consnum == active_console)
437	async_req_0_0(fb_info.phone, FB_FLUSH);	436	async_req_0_0(fb_info.phone, FB_FLUSH);
438	break;	437	break;
439	case CONSOLE_SET_STYLE:	438	case CONSOLE_SET_STYLE:
440	arg1 = IPC_GET_ARG1(call);	439	arg1 = IPC_GET_ARG1(call);
441	arg2 = IPC_GET_ARG2(call);	440	arg2 = IPC_GET_ARG2(call);
442	screenbuffer_set_style(&conn->screenbuffer, arg1,	441	screenbuffer_set_style(&conn->screenbuffer, arg1,
443	arg2);	442	arg2);
444	if (consnum == active_console)	443	if (consnum == active_console)
445	set_style_col(arg1, arg2);	444	set_style_col(arg1, arg2);
446	break;	445	break;
447	case CONSOLE_CURSOR_VISIBILITY:	446	case CONSOLE_CURSOR_VISIBILITY:
448	arg1 = IPC_GET_ARG1(call);	447	arg1 = IPC_GET_ARG1(call);
449	conn->screenbuffer.is_cursor_visible = arg1;	448	conn->screenbuffer.is_cursor_visible = arg1;
450	if (consnum == active_console)	449	if (consnum == active_console)
451	curs_visibility(arg1);	450	curs_visibility(arg1);
452	break;	451	break;
453	case CONSOLE_GETCHAR:	452	case CONSOLE_GETCHAR:
454	if (keybuffer_empty(&conn->keybuffer)) {	453	if (keybuffer_empty(&conn->keybuffer)) {
455	/* buffer is empty -> store request */	454	/* buffer is empty -> store request */
456	if (conn->keyrequest_counter <	455	if (conn->keyrequest_counter <
457	MAX_KEYREQUESTS_BUFFERED) {	456	MAX_KEYREQUESTS_BUFFERED) {
458	fifo_push(conn->keyrequests, callid);	457	fifo_push(conn->keyrequests, callid);
459	conn->keyrequest_counter++;	458	conn->keyrequest_counter++;
460	} else {	459	} else {
461	/*	460	/*
462	* No key available and too many	461	* No key available and too many
463	* requests => fail.	462	* requests => fail.
464	*/	463	*/
465	ipc_answer_0(callid, ELIMIT);	464	ipc_answer_0(callid, ELIMIT);
466	}	465	}
467	continue;	466	continue;
468	}	467	}
-		468	int ch;
469	keybuffer_pop(&conn->keybuffer, (int *) &arg1);	469	keybuffer_pop(&conn->keybuffer, &ch);
-		470	arg1 = ch;
470	break;	471	break;
471	}	472	}
472	ipc_answer_2(callid, EOK, arg1, arg2);	473	ipc_answer_2(callid, EOK, arg1, arg2);
473	}	474	}
474	}	475	}
475		476
476	int main(int argc, char *argv[])	477	int main(int argc, char *argv[])
477	{	478	{
478	printf(NAME ": HelenOS Console service\n");	479	printf(NAME ": HelenOS Console service\n");
479		480
480	ipcarg_t phonehash;	481	ipcarg_t phonehash;
481	int kbd_phone;	482	int kbd_phone;
482	int i;	483	int i;
483		484
484	async_set_client_connection(client_connection);	485	async_set_client_connection(client_connection);
485		486
486	/* Connect to keyboard driver */	487	/* Connect to keyboard driver */
487		488
488	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);	489	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
489	while (kbd_phone < 0) {	490	while (kbd_phone < 0) {
490	usleep(10000);	491	usleep(10000);
491	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);	492	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
492	}	493	}
493		494
494	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0)	495	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0)
495	return -1;	496	return -1;
496	async_new_connection(phonehash, 0, NULL, keyboard_events);	497	async_new_connection(phonehash, 0, NULL, keyboard_events);
497		498
498	/* Connect to framebuffer driver */	499	/* Connect to framebuffer driver */

Subversion Repositories HelenOS

(root)/branches/dynload/uspace/srv/console/console.c – Rev 3150 → 3674