WebSVN – HelenOS – Diff – /trunk/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 "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++) {
                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_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 = 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_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 = 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 (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 2566	Rev 2618
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 */	-
36	#include <stdio.h>	35	#include <libc.h>
37		-
38	#include <fb.h>	36	#include <fb.h>
39	#include <ipc/ipc.h>	37	#include <ipc/ipc.h>
40	#include <keys.h>	38	#include <keys.h>
41	#include <ipc/fb.h>	39	#include <ipc/fb.h>
42	#include <ipc/services.h>	40	#include <ipc/services.h>
43	#include <errno.h>	41	#include <errno.h>
44	#include <key_buffer.h>	42	#include <key_buffer.h>
45	#include <console.h>	43	#include <console.h>
46	#include <unistd.h>	44	#include <unistd.h>
47	#include <async.h>	45	#include <async.h>
48	#include <libadt/fifo.h>	46	#include <libadt/fifo.h>
49	#include <screenbuffer.h>	47	#include <screenbuffer.h>
50	#include <sys/mman.h>	48	#include <sys/mman.h>
51		49
52	#include "gcons.h"	50	#include "gcons.h"
53		51
54	#define MAX_KEYREQUESTS_BUFFERED 32	52	#define MAX_KEYREQUESTS_BUFFERED 32
55		53
56	#define NAME "CONSOLE"	54	#define NAME "CONSOLE"
57		55
58	/** Index of currently used virtual console.	56	/** Index of currently used virtual console.
59	*/	57	*/
60	int active_console = 0;	58	int active_console = 0;
61		59
62	/** Information about framebuffer	60	/** Information about framebuffer
63	*/	61	*/
64	struct {	62	struct {
65	int phone; /*< Framebuffer phone /	63	int phone; /*< Framebuffer phone /
66	ipcarg_t rows; /*< Framebuffer rows /	64	ipcarg_t rows; /*< Framebuffer rows /
67	ipcarg_t cols; /*< Framebuffer columns /	65	ipcarg_t cols; /*< Framebuffer columns /
68	} fb_info;	66	} fb_info;
69		67
70	typedef struct {	68	typedef struct {
71	keybuffer_t keybuffer; /*< Buffer for incoming keys. /	69	keybuffer_t keybuffer; /*< Buffer for incoming keys. /
72	/** Buffer for unsatisfied request for keys. */	70	/** Buffer for unsatisfied request for keys. */
73	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,	71	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
74	MAX_KEYREQUESTS_BUFFERED);	72	MAX_KEYREQUESTS_BUFFERED);
75	int keyrequest_counter; /*< Number of requests in buffer. /	73	int keyrequest_counter; /*< Number of requests in buffer. /
76	int client_phone; /*< Phone to connected client. /	74	int client_phone; /*< Phone to connected client. /
77	int used; /**< 1 if this virtual console is	75	int used; /**< 1 if this virtual console is
78	* connected to some client.*/	76	* connected to some client.*/
79	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen	77	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen
80	* contents and related settings. */	78	* contents and related settings. */
81	} connection_t;	79	} connection_t;
82		80
83	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual	81	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
84	* consoles */	82	* consoles */
85	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared	83	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared
86	* with framebufer used for	84	* with framebufer used for
87	* faster virtual console	85	* faster virtual console
88	* switching */	86	* switching */
89		87
90	static int kernel_pixmap = -1; /**< Number of fb pixmap, where kernel	88	static int kernel_pixmap = -1; /**< Number of fb pixmap, where kernel
91	* console is stored */	89	* console is stored */
92		90
93		91
94	/** Find unused virtual console.	92	/** Find unused virtual console.
95	*	93	*
96	*/	94	*/
97	static int find_free_connection(void)	95	static int find_free_connection(void)
98	{	96	{
99	int i;	97	int i;
100		98
101	for (i = 0; i < CONSOLE_COUNT; i++) {	99	for (i = 0; i < CONSOLE_COUNT; i++) {
102	if (!connections[i].used)	100	if (!connections[i].used)
103	return i;	101	return i;
104	}	102	}
105	return -1;	103	return -1;
106	}	104	}
107		105
108	static void clrscr(void)	106	static void clrscr(void)
109	{	107	{
110	async_msg(fb_info.phone, FB_CLEAR, 0);	108	async_msg(fb_info.phone, FB_CLEAR, 0);
111	}	109	}
112		110
113	static void curs_visibility(int v)	111	static void curs_visibility(int v)
114	{	112	{
115	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);	113	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);
116	}	114	}
117		115
118	static void curs_goto(int row, int col)	116	static void curs_goto(int row, int col)
119	{	117	{
120	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);	118	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
121	}	119	}
122		120
123	static void set_style(style_t *style)	121	static void set_style(style_t *style)
124	{	122	{
125	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,	123	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,
126	style->bg_color);	124	style->bg_color);
127	}	125	}
128		126
129	static void set_style_col(int fgcolor, int bgcolor)	127	static void set_style_col(int fgcolor, int bgcolor)
130	{	128	{
131	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);	129	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
132	}	130	}
133		131
134	static void prtchr(char c, int row, int col)	132	static void prtchr(char c, int row, int col)
135	{	133	{
136	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);	134	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
137	}	135	}
138		136
139	/** Check key and process special keys.	137	/** Check key and process special keys.
140	*	138	*
141	*	139	*
142	*/	140	*/
143	static void write_char(int console, char key)	141	static void write_char(int console, char key)
144	{	142	{
145	screenbuffer_t *scr = &(connections[console].screenbuffer);	143	screenbuffer_t *scr = &(connections[console].screenbuffer);
146		144
147	switch (key) {	145	switch (key) {
148	case '\n':	146	case '\n':
149	scr->position_y++;	147	scr->position_y++;
150	scr->position_x = 0;	148	scr->position_x = 0;
151	break;	149	break;
152	case '\r':	150	case '\r':
153	break;	151	break;
154	case '\t':	152	case '\t':
155	scr->position_x += 8;	153	scr->position_x += 8;
156	scr->position_x -= scr->position_x % 8;	154	scr->position_x -= scr->position_x % 8;
157	break;	155	break;
158	case '\b':	156	case '\b':
159	if (scr->position_x == 0)	157	if (scr->position_x == 0)
160	break;	158	break;
161	scr->position_x--;	159	scr->position_x--;
162	if (console == active_console)	160	if (console == active_console)
163	prtchr(' ', scr->position_y, scr->position_x);	161	prtchr(' ', scr->position_y, scr->position_x);
164	screenbuffer_putchar(scr, ' ');	162	screenbuffer_putchar(scr, ' ');
165	break;	163	break;
166	default:	164	default:
167	if (console == active_console)	165	if (console == active_console)
168	prtchr(key, scr->position_y, scr->position_x);	166	prtchr(key, scr->position_y, scr->position_x);
169		167
170	screenbuffer_putchar(scr, key);	168	screenbuffer_putchar(scr, key);
171	scr->position_x++;	169	scr->position_x++;
172	}	170	}
173		171
174	scr->position_y += (scr->position_x >= scr->size_x);	172	scr->position_y += (scr->position_x >= scr->size_x);
175		173
176	if (scr->position_y >= scr->size_y) {	174	if (scr->position_y >= scr->size_y) {
177	scr->position_y = scr->size_y - 1;	175	scr->position_y = scr->size_y - 1;
178	screenbuffer_clear_line(scr, scr->top_line);	176	screenbuffer_clear_line(scr, scr->top_line);
179	scr->top_line = (scr->top_line + 1) % scr->size_y;	177	scr->top_line = (scr->top_line + 1) % scr->size_y;
180	if (console == active_console)	178	if (console == active_console)
181	async_msg(fb_info.phone, FB_SCROLL, 1);	179	async_msg(fb_info.phone, FB_SCROLL, 1);
182	}	180	}
183		181
184	scr->position_x = scr->position_x % scr->size_x;	182	scr->position_x = scr->position_x % scr->size_x;
185		183
186	if (console == active_console)	184	if (console == active_console)
187	curs_goto(scr->position_y, scr->position_x);	185	curs_goto(scr->position_y, scr->position_x);
188		186
189	}	187	}
190		188
191	/** Save current screen to pixmap, draw old pixmap	189	/** Save current screen to pixmap, draw old pixmap
192	*	190	*
193	* @param oldpixmap Old pixmap	191	* @param oldpixmap Old pixmap
194	* @return ID of pixmap of current screen	192	* @return ID of pixmap of current screen
195	*/	193	*/
196	static int switch_screens(int oldpixmap)	194	static int switch_screens(int oldpixmap)
197	{	195	{
198	int newpmap;	196	int newpmap;
199		197
200	/* Save screen */	198	/* Save screen */
201	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);	199	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
202	if (newpmap < 0)	200	if (newpmap < 0)
203	return -1;	201	return -1;
204		202
205	if (oldpixmap != -1) {	203	if (oldpixmap != -1) {
206	/* Show old screen */	204	/* Show old screen */
207	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);
208	/* Drop old pixmap */	206	/* Drop old pixmap */
209	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);	207	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
210	}	208	}
211		209
212	return newpmap;	210	return newpmap;
213	}	211	}
214		212
215	/** Switch to new console */	213	/** Switch to new console */
216	static void change_console(int newcons)	214	static void change_console(int newcons)
217	{	215	{
218	connection_t *conn;	216	connection_t *conn;
219	static int console_pixmap = -1;	217	static int console_pixmap = -1;
220	int i, j, rc;	218	int i, j, rc;
221	keyfield_t *field;	219	keyfield_t *field;
222	style_t *style;	220	style_t *style;
223		221
224	if (newcons == active_console)	222	if (newcons == active_console)
225	return;	223	return;
226		224
227	if (newcons == KERNEL_CONSOLE) {	225	if (newcons == KERNEL_CONSOLE) {
228	if (active_console == KERNEL_CONSOLE)	226	if (active_console == KERNEL_CONSOLE)
229	return;	227	return;
230	active_console = KERNEL_CONSOLE;	228	active_console = KERNEL_CONSOLE;
231	curs_visibility(0);	229	curs_visibility(0);
232		230
233	async_serialize_start();	231	async_serialize_start();
234	if (kernel_pixmap == -1) {	232	if (kernel_pixmap == -1) {
235	/* store/restore unsupported */	233	/* store/restore unsupported */
236	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);	234	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
237	clrscr();	235	clrscr();
238	} else {	236	} else {
239	gcons_in_kernel();	237	gcons_in_kernel();
240	console_pixmap = switch_screens(kernel_pixmap);	238	console_pixmap = switch_screens(kernel_pixmap);
241	kernel_pixmap = -1;	239	kernel_pixmap = -1;
242	}	240	}
243	async_serialize_end();	241	async_serialize_end();
244		242
245	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);	243	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
246	return;	244	return;
247	}	245	}
248		246
249	async_serialize_start();	247	async_serialize_start();
250		248
251	if (console_pixmap != -1) {	249	if (console_pixmap != -1) {
252	kernel_pixmap = switch_screens(console_pixmap);	250	kernel_pixmap = switch_screens(console_pixmap);
253	console_pixmap = -1;	251	console_pixmap = -1;
254	}	252	}
255	active_console = newcons;	253	active_console = newcons;
256	gcons_change_console(newcons);	254	gcons_change_console(newcons);
257	conn = &connections[active_console];	255	conn = &connections[active_console];
258		256
259	set_style(&conn->screenbuffer.style);	257	set_style(&conn->screenbuffer.style);
260	curs_visibility(0);	258	curs_visibility(0);
261	if (interbuffer) {	259	if (interbuffer) {
262	for (i = 0; i < conn->screenbuffer.size_x; i++)	260	for (i = 0; i < conn->screenbuffer.size_x; i++)
263	for (j = 0; j < conn->screenbuffer.size_y; j++) {	261	for (j = 0; j < conn->screenbuffer.size_y; j++) {
264	unsigned int size_x;	262	unsigned int size_x;
265		263
266	size_x = conn->screenbuffer.size_x;	264	size_x = conn->screenbuffer.size_x;
267	interbuffer[i + j * size_x] =	265	interbuffer[i + j * size_x] =
268	*get_field_at(&conn->screenbuffer, i, j);	266	*get_field_at(&conn->screenbuffer, i, j);
269	}	267	}
270	/* This call can preempt, but we are already at the end */	268	/* This call can preempt, but we are already at the end */
271	rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL,	269	rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL,
272	NULL);	270	NULL);
273	}	271	}
274		272
275	if ((!interbuffer) \|\| (rc != 0)) {	273	if ((!interbuffer) \|\| (rc != 0)) {
276	set_style(&conn->screenbuffer.style);	274	set_style(&conn->screenbuffer.style);
277	clrscr();	275	clrscr();
278	style = &conn->screenbuffer.style;	276	style = &conn->screenbuffer.style;
279		277
280	for (j = 0; j < conn->screenbuffer.size_y; j++)	278	for (j = 0; j < conn->screenbuffer.size_y; j++)
281	for (i = 0; i < conn->screenbuffer.size_x; i++) {	279	for (i = 0; i < conn->screenbuffer.size_x; i++) {
282	field = get_field_at(&conn->screenbuffer, i,	280	field = get_field_at(&conn->screenbuffer, i,
283	j);	281	j);
284	if (!style_same(*style, field->style))	282	if (!style_same(*style, field->style))
285	set_style(&field->style);	283	set_style(&field->style);
286	style = &field->style;	284	style = &field->style;
287	if ((field->character == ' ') &&	285	if ((field->character == ' ') &&
288	(style_same(field->style,	286	(style_same(field->style,
289	conn->screenbuffer.style)))	287	conn->screenbuffer.style)))
290	continue;	288	continue;
291		289
292	prtchr(field->character, j, i);	290	prtchr(field->character, j, i);
293	}	291	}
294	}	292	}
295		293
296	curs_goto(conn->screenbuffer.position_y,	294	curs_goto(conn->screenbuffer.position_y,
297	conn->screenbuffer.position_x);	295	conn->screenbuffer.position_x);
298	curs_visibility(conn->screenbuffer.is_cursor_visible);	296	curs_visibility(conn->screenbuffer.is_cursor_visible);
299		297
300	async_serialize_end();	298	async_serialize_end();
301	}	299	}
302		300
303	/** Handler for keyboard */	301	/** Handler for keyboard */
304	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)	302	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
305	{	303	{
306	ipc_callid_t callid;	304	ipc_callid_t callid;
307	ipc_call_t call;	305	ipc_call_t call;
308	int retval;	306	int retval;
309	int c;	307	int c;
310	connection_t *conn;	308	connection_t *conn;
311	int newcon;	309	int newcon;
312		310
313	/* Ignore parameters, the connection is alread opened */	311	/* Ignore parameters, the connection is alread opened */
314	while (1) {	312	while (1) {
315	callid = async_get_call(&call);	313	callid = async_get_call(&call);
316	switch (IPC_GET_METHOD(call)) {	314	switch (IPC_GET_METHOD(call)) {
317	case IPC_M_PHONE_HUNGUP:	315	case IPC_M_PHONE_HUNGUP:
318	/* TODO: Handle hangup */	316	/* TODO: Handle hangup */
319	return;	317	return;
320	case KBD_MS_LEFT:	318	case KBD_MS_LEFT:
321	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));	319	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
322	if (newcon != -1)	320	if (newcon != -1)
323	change_console(newcon);	321	change_console(newcon);
324	retval = 0;	322	retval = 0;
325	break;	323	break;
326	case KBD_MS_MOVE:	324	case KBD_MS_MOVE:
327	gcons_mouse_move(IPC_GET_ARG1(call),	325	gcons_mouse_move(IPC_GET_ARG1(call),
328	IPC_GET_ARG2(call));	326	IPC_GET_ARG2(call));
329	retval = 0;	327	retval = 0;
330	break;	328	break;
331	case KBD_PUSHCHAR:	329	case KBD_PUSHCHAR:
332	/* got key from keyboard driver */	330	/* got key from keyboard driver */
333		331
334	retval = 0;	332	retval = 0;
335	c = IPC_GET_ARG1(call);	333	c = IPC_GET_ARG1(call);
336	/* switch to another virtual console */	334	/* switch to another virtual console */
337		335
338	conn = &connections[active_console];	336	conn = &connections[active_console];
339	/*	337	/*
340	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +	338	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +
341	* CONSOLE_COUNT)) {	339	* CONSOLE_COUNT)) {
342	*/	340	*/
343	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {	341	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
344	if (c == 0x112)	342	if (c == 0x112)
345	change_console(KERNEL_CONSOLE);	343	change_console(KERNEL_CONSOLE);
346	else	344	else
347	change_console(c - 0x101);	345	change_console(c - 0x101);
348	break;	346	break;
349	}	347	}
350		348
351	/* if client is awaiting key, send it */	349	/* if client is awaiting key, send it */
352	if (conn->keyrequest_counter > 0) {	350	if (conn->keyrequest_counter > 0) {
353	conn->keyrequest_counter--;	351	conn->keyrequest_counter--;
354	ipc_answer_fast(fifo_pop(conn->keyrequests), 0,	352	ipc_answer_fast(fifo_pop(conn->keyrequests), 0,
355	c, 0);	353	c, 0);
356	break;	354	break;
357	}	355	}
358		356
359	keybuffer_push(&conn->keybuffer, c);	357	keybuffer_push(&conn->keybuffer, c);
360	retval = 0;	358	retval = 0;
361		359
362	break;	360	break;
363	default:	361	default:
364	retval = ENOENT;	362	retval = ENOENT;
365	}	363	}
366	ipc_answer_fast(callid, retval, 0, 0);	364	ipc_answer_fast(callid, retval, 0, 0);
367	}	365	}
368	}	366	}
369		367
370	/** Default thread for new connections */	368	/** Default thread for new connections */
371	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)	369	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
372	{	370	{
373	ipc_callid_t callid;	371	ipc_callid_t callid;
374	ipc_call_t call;	372	ipc_call_t call;
375	int consnum;	373	int consnum;
376	ipcarg_t arg1, arg2;	374	ipcarg_t arg1, arg2;
377	connection_t *conn;	375	connection_t *conn;
378		376
379	if ((consnum = find_free_connection()) == -1) {	377	if ((consnum = find_free_connection()) == -1) {
380	ipc_answer_fast(iid, ELIMIT, 0, 0);	378	ipc_answer_fast(iid, ELIMIT, 0, 0);
381	return;	379	return;
382	}	380	}
383	conn = &connections[consnum];	381	conn = &connections[consnum];
384	conn->used = 1;	382	conn->used = 1;
385		383
386	async_serialize_start();	384	async_serialize_start();
387	gcons_notify_connect(consnum);	385	gcons_notify_connect(consnum);
388	conn->client_phone = IPC_GET_ARG3(call);	386	conn->client_phone = IPC_GET_ARG3(call);
389	screenbuffer_clear(&conn->screenbuffer);	387	screenbuffer_clear(&conn->screenbuffer);
390		388
391	/* Accept the connection */	389	/* Accept the connection */
392	ipc_answer_fast(iid, 0, 0, 0);	390	ipc_answer_fast(iid, 0, 0, 0);
393		391
394	while (1) {	392	while (1) {
395	async_serialize_end();	393	async_serialize_end();
396	callid = async_get_call(&call);	394	callid = async_get_call(&call);
397	async_serialize_start();	395	async_serialize_start();
398		396
399	arg1 = 0;	397	arg1 = 0;
400	arg2 = 0;	398	arg2 = 0;
401	switch (IPC_GET_METHOD(call)) {	399	switch (IPC_GET_METHOD(call)) {
402	case IPC_M_PHONE_HUNGUP:	400	case IPC_M_PHONE_HUNGUP:
403	gcons_notify_disconnect(consnum);	401	gcons_notify_disconnect(consnum);
404		402
405	/* Answer all pending requests */	403	/* Answer all pending requests */
406	while (conn->keyrequest_counter > 0) {	404	while (conn->keyrequest_counter > 0) {
407	conn->keyrequest_counter--;	405	conn->keyrequest_counter--;
408	ipc_answer_fast(fifo_pop(conn->keyrequests),	406	ipc_answer_fast(fifo_pop(conn->keyrequests),
409	ENOENT, 0, 0);	407	ENOENT, 0, 0);
410	break;	408	break;
411	}	409	}
412	conn->used = 0;	410	conn->used = 0;
413	return;	411	return;
414	case CONSOLE_PUTCHAR:	412	case CONSOLE_PUTCHAR:
415	write_char(consnum, IPC_GET_ARG1(call));	413	write_char(consnum, IPC_GET_ARG1(call));
416	gcons_notify_char(consnum);	414	gcons_notify_char(consnum);
417	break;	415	break;
418	case CONSOLE_CLEAR:	416	case CONSOLE_CLEAR:
419	/* Send message to fb */	417	/* Send message to fb */
420	if (consnum == active_console) {	418	if (consnum == active_console) {
421	async_msg(fb_info.phone, FB_CLEAR, 0);	419	async_msg(fb_info.phone, FB_CLEAR, 0);
422	}	420	}
423		421
424	screenbuffer_clear(&conn->screenbuffer);	422	screenbuffer_clear(&conn->screenbuffer);
425		423
426	break;	424	break;
427	case CONSOLE_GOTO:	425	case CONSOLE_GOTO:
428	screenbuffer_goto(&conn->screenbuffer,	426	screenbuffer_goto(&conn->screenbuffer,
429	IPC_GET_ARG2(call), IPC_GET_ARG1(call));	427	IPC_GET_ARG2(call), IPC_GET_ARG1(call));
430	if (consnum == active_console)	428	if (consnum == active_console)
431	curs_goto(IPC_GET_ARG1(call),	429	curs_goto(IPC_GET_ARG1(call),
432	IPC_GET_ARG2(call));	430	IPC_GET_ARG2(call));
433	break;	431	break;
434	case CONSOLE_GETSIZE:	432	case CONSOLE_GETSIZE:
435	arg1 = fb_info.rows;	433	arg1 = fb_info.rows;
436	arg2 = fb_info.cols;	434	arg2 = fb_info.cols;
437	break;	435	break;
438	case CONSOLE_FLUSH:	436	case CONSOLE_FLUSH:
439	if (consnum == active_console)	437	if (consnum == active_console)
440	async_req_2(fb_info.phone, FB_FLUSH, 0, 0,	438	async_req_2(fb_info.phone, FB_FLUSH, 0, 0,
441	NULL, NULL);	439	NULL, NULL);
442	break;	440	break;
443	case CONSOLE_SET_STYLE:	441	case CONSOLE_SET_STYLE:
444	arg1 = IPC_GET_ARG1(call);	442	arg1 = IPC_GET_ARG1(call);
445	arg2 = IPC_GET_ARG2(call);	443	arg2 = IPC_GET_ARG2(call);
446	screenbuffer_set_style(&conn->screenbuffer, arg1,	444	screenbuffer_set_style(&conn->screenbuffer, arg1,
447	arg2);	445	arg2);
448	if (consnum == active_console)	446	if (consnum == active_console)
449	set_style_col(arg1, arg2);	447	set_style_col(arg1, arg2);
450	break;	448	break;
451	case CONSOLE_CURSOR_VISIBILITY:	449	case CONSOLE_CURSOR_VISIBILITY:
452	arg1 = IPC_GET_ARG1(call);	450	arg1 = IPC_GET_ARG1(call);
453	conn->screenbuffer.is_cursor_visible = arg1;	451	conn->screenbuffer.is_cursor_visible = arg1;
454	if (consnum == active_console)	452	if (consnum == active_console)
455	curs_visibility(arg1);	453	curs_visibility(arg1);
456	break;	454	break;
457	case CONSOLE_GETCHAR:	455	case CONSOLE_GETCHAR:
458	if (keybuffer_empty(&conn->keybuffer)) {	456	if (keybuffer_empty(&conn->keybuffer)) {
459	/* buffer is empty -> store request */	457	/* buffer is empty -> store request */
460	if (conn->keyrequest_counter <	458	if (conn->keyrequest_counter <
461	MAX_KEYREQUESTS_BUFFERED) {	459	MAX_KEYREQUESTS_BUFFERED) {
462	fifo_push(conn->keyrequests, callid);	460	fifo_push(conn->keyrequests, callid);
463	conn->keyrequest_counter++;	461	conn->keyrequest_counter++;
464	} else {	462	} else {
465	/*	463	/*
466	* No key available and too many	464	* No key available and too many
467	* requests => fail.	465	* requests => fail.
468	*/	466	*/
469	ipc_answer_fast(callid, ELIMIT, 0, 0);	467	ipc_answer_fast(callid, ELIMIT, 0, 0);
470	}	468	}
471	continue;	469	continue;
472	}	470	}
473	keybuffer_pop(&conn->keybuffer, (int *) &arg1);	471	keybuffer_pop(&conn->keybuffer, (int *) &arg1);
474	break;	472	break;
475	}	473	}
476	ipc_answer_fast(callid, 0, arg1, arg2);	474	ipc_answer_fast(callid, 0, arg1, arg2);
477	}	475	}
478	}	476	}
479		477
480	int main(int argc, char *argv[])	478	int main(int argc, char *argv[])
481	{	479	{
482	ipcarg_t phonehash;	480	ipcarg_t phonehash;
483	int kbd_phone;	481	int kbd_phone;
484	int i;	482	int i;
485		483
486	async_set_client_connection(client_connection);	484	async_set_client_connection(client_connection);
487		485
488	/* Connect to keyboard driver */	486	/* Connect to keyboard driver */
489		487
490	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);	488	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
491	while (kbd_phone < 0) {	489	while (kbd_phone < 0) {
492	usleep(10000);	490	usleep(10000);
493	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);	491	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
494	}	492	}
495		493
496	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0)	494	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0)
497	return -1;	495	return -1;
498	async_new_connection(phonehash, 0, NULL, keyboard_events);	496	async_new_connection(phonehash, 0, NULL, keyboard_events);
499		497
500	/* Connect to framebuffer driver */	498	/* Connect to framebuffer driver */

Subversion Repositories HelenOS

(root)/trunk/uspace/srv/console/console.c – Rev 2566 → 2618