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_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_ARG3(call);
    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(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_0(callid, ELIMIT);
                }
                continue;
            }
            keybuffer_pop(&conn->keybuffer, (int *) &arg1);
            break;
        }
        ipc_answer_2(callid, EOK, 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 2618	Rev 2619
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		49
50	#include "gcons.h"	50	#include "gcons.h"
51		51
52	#define MAX_KEYREQUESTS_BUFFERED 32	52	#define MAX_KEYREQUESTS_BUFFERED 32
53		53
54	#define NAME "CONSOLE"	54	#define NAME "CONSOLE"
55		55
56	/** Index of currently used virtual console.	56	/** Index of currently used virtual console.
57	*/	57	*/
58	int active_console = 0;	58	int active_console = 0;
59		59
60	/** Information about framebuffer	60	/** Information about framebuffer
61	*/	61	*/
62	struct {	62	struct {
63	int phone; /*< Framebuffer phone /	63	int phone; /*< Framebuffer phone /
64	ipcarg_t rows; /*< Framebuffer rows /	64	ipcarg_t rows; /*< Framebuffer rows /
65	ipcarg_t cols; /*< Framebuffer columns /	65	ipcarg_t cols; /*< Framebuffer columns /
66	} fb_info;	66	} fb_info;
67		67
68	typedef struct {	68	typedef struct {
69	keybuffer_t keybuffer; /*< Buffer for incoming keys. /	69	keybuffer_t keybuffer; /*< Buffer for incoming keys. /
70	/** Buffer for unsatisfied request for keys. */	70	/** Buffer for unsatisfied request for keys. */
71	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,	71	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
72	MAX_KEYREQUESTS_BUFFERED);	72	MAX_KEYREQUESTS_BUFFERED);
73	int keyrequest_counter; /*< Number of requests in buffer. /	73	int keyrequest_counter; /*< Number of requests in buffer. /
74	int client_phone; /*< Phone to connected client. /	74	int client_phone; /*< Phone to connected client. /
75	int used; /**< 1 if this virtual console is	75	int used; /**< 1 if this virtual console is
76	* connected to some client.*/	76	* connected to some client.*/
77	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen	77	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen
78	* contents and related settings. */	78	* contents and related settings. */
79	} connection_t;	79	} connection_t;
80		80
81	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual	81	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
82	* consoles */	82	* consoles */
83	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared	83	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared
84	* with framebufer used for	84	* with framebufer used for
85	* faster virtual console	85	* faster virtual console
86	* switching */	86	* switching */
87		87
88	static int kernel_pixmap = -1; /**< Number of fb pixmap, where kernel	88	static int kernel_pixmap = -1; /**< Number of fb pixmap, where kernel
89	* console is stored */	89	* console is stored */
90		90
91		91
92	/** Find unused virtual console.	92	/** Find unused virtual console.
93	*	93	*
94	*/	94	*/
95	static int find_free_connection(void)	95	static int find_free_connection(void)
96	{	96	{
97	int i;	97	int i;
98		98
99	for (i = 0; i < CONSOLE_COUNT; i++) {	99	for (i = 0; i < CONSOLE_COUNT; i++) {
100	if (!connections[i].used)	100	if (!connections[i].used)
101	return i;	101	return i;
102	}	102	}
103	return -1;	103	return -1;
104	}	104	}
105		105
106	static void clrscr(void)	106	static void clrscr(void)
107	{	107	{
108	async_msg(fb_info.phone, FB_CLEAR, 0);	108	async_msg(fb_info.phone, FB_CLEAR, 0);
109	}	109	}
110		110
111	static void curs_visibility(int v)	111	static void curs_visibility(int v)
112	{	112	{
113	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);	113	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);
114	}	114	}
115		115
116	static void curs_goto(int row, int col)	116	static void curs_goto(int row, int col)
117	{	117	{
118	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);	118	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
119	}	119	}
120		120
121	static void set_style(style_t *style)	121	static void set_style(style_t *style)
122	{	122	{
123	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,
124	style->bg_color);	124	style->bg_color);
125	}	125	}
126		126
127	static void set_style_col(int fgcolor, int bgcolor)	127	static void set_style_col(int fgcolor, int bgcolor)
128	{	128	{
129	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);	129	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
130	}	130	}
131		131
132	static void prtchr(char c, int row, int col)	132	static void prtchr(char c, int row, int col)
133	{	133	{
134	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);	134	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
135	}	135	}
136		136
137	/** Check key and process special keys.	137	/** Check key and process special keys.
138	*	138	*
139	*	139	*
140	*/	140	*/
141	static void write_char(int console, char key)	141	static void write_char(int console, char key)
142	{	142	{
143	screenbuffer_t *scr = &(connections[console].screenbuffer);	143	screenbuffer_t *scr = &(connections[console].screenbuffer);
144		144
145	switch (key) {	145	switch (key) {
146	case '\n':	146	case '\n':
147	scr->position_y++;	147	scr->position_y++;
148	scr->position_x = 0;	148	scr->position_x = 0;
149	break;	149	break;
150	case '\r':	150	case '\r':
151	break;	151	break;
152	case '\t':	152	case '\t':
153	scr->position_x += 8;	153	scr->position_x += 8;
154	scr->position_x -= scr->position_x % 8;	154	scr->position_x -= scr->position_x % 8;
155	break;	155	break;
156	case '\b':	156	case '\b':
157	if (scr->position_x == 0)	157	if (scr->position_x == 0)
158	break;	158	break;
159	scr->position_x--;	159	scr->position_x--;
160	if (console == active_console)	160	if (console == active_console)
161	prtchr(' ', scr->position_y, scr->position_x);	161	prtchr(' ', scr->position_y, scr->position_x);
162	screenbuffer_putchar(scr, ' ');	162	screenbuffer_putchar(scr, ' ');
163	break;	163	break;
164	default:	164	default:
165	if (console == active_console)	165	if (console == active_console)
166	prtchr(key, scr->position_y, scr->position_x);	166	prtchr(key, scr->position_y, scr->position_x);
167		167
168	screenbuffer_putchar(scr, key);	168	screenbuffer_putchar(scr, key);
169	scr->position_x++;	169	scr->position_x++;
170	}	170	}
171		171
172	scr->position_y += (scr->position_x >= scr->size_x);	172	scr->position_y += (scr->position_x >= scr->size_x);
173		173
174	if (scr->position_y >= scr->size_y) {	174	if (scr->position_y >= scr->size_y) {
175	scr->position_y = scr->size_y - 1;	175	scr->position_y = scr->size_y - 1;
176	screenbuffer_clear_line(scr, scr->top_line);	176	screenbuffer_clear_line(scr, scr->top_line);
177	scr->top_line = (scr->top_line + 1) % scr->size_y;	177	scr->top_line = (scr->top_line + 1) % scr->size_y;
178	if (console == active_console)	178	if (console == active_console)
179	async_msg(fb_info.phone, FB_SCROLL, 1);	179	async_msg(fb_info.phone, FB_SCROLL, 1);
180	}	180	}
181		181
182	scr->position_x = scr->position_x % scr->size_x;	182	scr->position_x = scr->position_x % scr->size_x;
183		183
184	if (console == active_console)	184	if (console == active_console)
185	curs_goto(scr->position_y, scr->position_x);	185	curs_goto(scr->position_y, scr->position_x);
186		186
187	}	187	}
188		188
189	/** Save current screen to pixmap, draw old pixmap	189	/** Save current screen to pixmap, draw old pixmap
190	*	190	*
191	* @param oldpixmap Old pixmap	191	* @param oldpixmap Old pixmap
192	* @return ID of pixmap of current screen	192	* @return ID of pixmap of current screen
193	*/	193	*/
194	static int switch_screens(int oldpixmap)	194	static int switch_screens(int oldpixmap)
195	{	195	{
196	int newpmap;	196	int newpmap;
197		197
198	/* Save screen */	198	/* Save screen */
199	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);	199	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
200	if (newpmap < 0)	200	if (newpmap < 0)
201	return -1;	201	return -1;
202		202
203	if (oldpixmap != -1) {	203	if (oldpixmap != -1) {
204	/* Show old screen */	204	/* Show old screen */
205	async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);	205	async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);
206	/* Drop old pixmap */	206	/* Drop old pixmap */
207	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);	207	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
208	}	208	}
209		209
210	return newpmap;	210	return newpmap;
211	}	211	}
212		212
213	/** Switch to new console */	213	/** Switch to new console */
214	static void change_console(int newcons)	214	static void change_console(int newcons)
215	{	215	{
216	connection_t *conn;	216	connection_t *conn;
217	static int console_pixmap = -1;	217	static int console_pixmap = -1;
218	int i, j, rc;	218	int i, j, rc;
219	keyfield_t *field;	219	keyfield_t *field;
220	style_t *style;	220	style_t *style;
221		221
222	if (newcons == active_console)	222	if (newcons == active_console)
223	return;	223	return;
224		224
225	if (newcons == KERNEL_CONSOLE) {	225	if (newcons == KERNEL_CONSOLE) {
226	if (active_console == KERNEL_CONSOLE)	226	if (active_console == KERNEL_CONSOLE)
227	return;	227	return;
228	active_console = KERNEL_CONSOLE;	228	active_console = KERNEL_CONSOLE;
229	curs_visibility(0);	229	curs_visibility(0);
230		230
231	async_serialize_start();	231	async_serialize_start();
232	if (kernel_pixmap == -1) {	232	if (kernel_pixmap == -1) {
233	/* store/restore unsupported */	233	/* store/restore unsupported */
234	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);	234	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
235	clrscr();	235	clrscr();
236	} else {	236	} else {
237	gcons_in_kernel();	237	gcons_in_kernel();
238	console_pixmap = switch_screens(kernel_pixmap);	238	console_pixmap = switch_screens(kernel_pixmap);
239	kernel_pixmap = -1;	239	kernel_pixmap = -1;
240	}	240	}
241	async_serialize_end();	241	async_serialize_end();
242		242
243	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);	243	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
244	return;	244	return;
245	}	245	}
246		246
247	async_serialize_start();	247	async_serialize_start();
248		248
249	if (console_pixmap != -1) {	249	if (console_pixmap != -1) {
250	kernel_pixmap = switch_screens(console_pixmap);	250	kernel_pixmap = switch_screens(console_pixmap);
251	console_pixmap = -1;	251	console_pixmap = -1;
252	}	252	}
253	active_console = newcons;	253	active_console = newcons;
254	gcons_change_console(newcons);	254	gcons_change_console(newcons);
255	conn = &connections[active_console];	255	conn = &connections[active_console];
256		256
257	set_style(&conn->screenbuffer.style);	257	set_style(&conn->screenbuffer.style);
258	curs_visibility(0);	258	curs_visibility(0);
259	if (interbuffer) {	259	if (interbuffer) {
260	for (i = 0; i < conn->screenbuffer.size_x; i++)	260	for (i = 0; i < conn->screenbuffer.size_x; i++)
261	for (j = 0; j < conn->screenbuffer.size_y; j++) {	261	for (j = 0; j < conn->screenbuffer.size_y; j++) {
262	unsigned int size_x;	262	unsigned int size_x;
263		263
264	size_x = conn->screenbuffer.size_x;	264	size_x = conn->screenbuffer.size_x;
265	interbuffer[i + j * size_x] =	265	interbuffer[i + j * size_x] =
266	*get_field_at(&conn->screenbuffer, i, j);	266	*get_field_at(&conn->screenbuffer, i, j);
267	}	267	}
268	/* This call can preempt, but we are already at the end */	268	/* This call can preempt, but we are already at the end */
269	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,
270	NULL);	270	NULL);
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,	280	field = get_field_at(&conn->screenbuffer, i, j);
281	j);	-
282	if (!style_same(*style, field->style))	281	if (!style_same(*style, field->style))
283	set_style(&field->style);	282	set_style(&field->style);
284	style = &field->style;	283	style = &field->style;
285	if ((field->character == ' ') &&	284	if ((field->character == ' ') &&
286	(style_same(field->style,	285	(style_same(field->style,
287	conn->screenbuffer.style)))	286	conn->screenbuffer.style)))
288	continue;	287	continue;
289		288
290	prtchr(field->character, j, i);	289	prtchr(field->character, j, i);
291	}	290	}
292	}	291	}
293		292
294	curs_goto(conn->screenbuffer.position_y,	293	curs_goto(conn->screenbuffer.position_y,
295	conn->screenbuffer.position_x);	294	conn->screenbuffer.position_x);
296	curs_visibility(conn->screenbuffer.is_cursor_visible);	295	curs_visibility(conn->screenbuffer.is_cursor_visible);
297		296
298	async_serialize_end();	297	async_serialize_end();
299	}	298	}
300		299
301	/** Handler for keyboard */	300	/** Handler for keyboard */
302	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)
303	{	302	{
304	ipc_callid_t callid;	303	ipc_callid_t callid;
305	ipc_call_t call;	304	ipc_call_t call;
306	int retval;	305	int retval;
307	int c;	306	int c;
308	connection_t *conn;	307	connection_t *conn;
309	int newcon;	308	int newcon;
310		309
311	/* Ignore parameters, the connection is alread opened */	310	/* Ignore parameters, the connection is alread opened */
312	while (1) {	311	while (1) {
313	callid = async_get_call(&call);	312	callid = async_get_call(&call);
314	switch (IPC_GET_METHOD(call)) {	313	switch (IPC_GET_METHOD(call)) {
315	case IPC_M_PHONE_HUNGUP:	314	case IPC_M_PHONE_HUNGUP:
316	/* TODO: Handle hangup */	315	/* TODO: Handle hangup */
317	return;	316	return;
318	case KBD_MS_LEFT:	317	case KBD_MS_LEFT:
319	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));	318	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
320	if (newcon != -1)	319	if (newcon != -1)
321	change_console(newcon);	320	change_console(newcon);
322	retval = 0;	321	retval = 0;
323	break;	322	break;
324	case KBD_MS_MOVE:	323	case KBD_MS_MOVE:
325	gcons_mouse_move(IPC_GET_ARG1(call),	324	gcons_mouse_move(IPC_GET_ARG1(call),
326	IPC_GET_ARG2(call));	325	IPC_GET_ARG2(call));
327	retval = 0;	326	retval = 0;
328	break;	327	break;
329	case KBD_PUSHCHAR:	328	case KBD_PUSHCHAR:
330	/* got key from keyboard driver */	329	/* got key from keyboard driver */
331		330
332	retval = 0;	331	retval = 0;
333	c = IPC_GET_ARG1(call);	332	c = IPC_GET_ARG1(call);
334	/* switch to another virtual console */	333	/* switch to another virtual console */
335		334
336	conn = &connections[active_console];	335	conn = &connections[active_console];
337	/*	336	/*
338	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +	337	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +
339	* CONSOLE_COUNT)) {	338	* CONSOLE_COUNT)) {
340	*/	339	*/
341	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {	340	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
342	if (c == 0x112)	341	if (c == 0x112)
343	change_console(KERNEL_CONSOLE);	342	change_console(KERNEL_CONSOLE);
344	else	343	else
345	change_console(c - 0x101);	344	change_console(c - 0x101);
346	break;	345	break;
347	}	346	}
348		347
349	/* if client is awaiting key, send it */	348	/* if client is awaiting key, send it */
350	if (conn->keyrequest_counter > 0) {	349	if (conn->keyrequest_counter > 0) {
351	conn->keyrequest_counter--;	350	conn->keyrequest_counter--;
352	ipc_answer_fast(fifo_pop(conn->keyrequests), 0,	351	ipc_answer_1(fifo_pop(conn->keyrequests), EOK,
353	c, 0);	352	c);
354	break;	353	break;
355	}	354	}
356		355
357	keybuffer_push(&conn->keybuffer, c);	356	keybuffer_push(&conn->keybuffer, c);
358	retval = 0;	357	retval = 0;
359		358
360	break;	359	break;
361	default:	360	default:
362	retval = ENOENT;	361	retval = ENOENT;
363	}	362	}
364	ipc_answer_fast(callid, retval, 0, 0);	363	ipc_answer_0(callid, retval);
365	}	364	}
366	}	365	}
367		366
368	/** Default thread for new connections */	367	/** Default thread for new connections */
369	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)
370	{	369	{
371	ipc_callid_t callid;	370	ipc_callid_t callid;
372	ipc_call_t call;	371	ipc_call_t call;
373	int consnum;	372	int consnum;
374	ipcarg_t arg1, arg2;	373	ipcarg_t arg1, arg2;
375	connection_t *conn;	374	connection_t *conn;
376		375
377	if ((consnum = find_free_connection()) == -1) {	376	if ((consnum = find_free_connection()) == -1) {
378	ipc_answer_fast(iid, ELIMIT, 0, 0);	377	ipc_answer_0(iid, ELIMIT);
379	return;	378	return;
380	}	379	}
381	conn = &connections[consnum];	380	conn = &connections[consnum];
382	conn->used = 1;	381	conn->used = 1;
383		382
384	async_serialize_start();	383	async_serialize_start();
385	gcons_notify_connect(consnum);	384	gcons_notify_connect(consnum);
386	conn->client_phone = IPC_GET_ARG3(call);	385	conn->client_phone = IPC_GET_ARG3(call);
387	screenbuffer_clear(&conn->screenbuffer);	386	screenbuffer_clear(&conn->screenbuffer);
388		387
389	/* Accept the connection */	388	/* Accept the connection */
390	ipc_answer_fast(iid, 0, 0, 0);	389	ipc_answer_0(iid, EOK);
391		390
392	while (1) {	391	while (1) {
393	async_serialize_end();	392	async_serialize_end();
394	callid = async_get_call(&call);	393	callid = async_get_call(&call);
395	async_serialize_start();	394	async_serialize_start();
396		395
397	arg1 = 0;	396	arg1 = 0;
398	arg2 = 0;	397	arg2 = 0;
399	switch (IPC_GET_METHOD(call)) {	398	switch (IPC_GET_METHOD(call)) {
400	case IPC_M_PHONE_HUNGUP:	399	case IPC_M_PHONE_HUNGUP:
401	gcons_notify_disconnect(consnum);	400	gcons_notify_disconnect(consnum);
402		401
403	/* Answer all pending requests */	402	/* Answer all pending requests */
404	while (conn->keyrequest_counter > 0) {	403	while (conn->keyrequest_counter > 0) {
405	conn->keyrequest_counter--;	404	conn->keyrequest_counter--;
406	ipc_answer_fast(fifo_pop(conn->keyrequests),	405	ipc_answer_0(fifo_pop(conn->keyrequests),
407	ENOENT, 0, 0);	406	ENOENT);
408	break;	407	break;
409	}	408	}
410	conn->used = 0;	409	conn->used = 0;
411	return;	410	return;
412	case CONSOLE_PUTCHAR:	411	case CONSOLE_PUTCHAR:
413	write_char(consnum, IPC_GET_ARG1(call));	412	write_char(consnum, IPC_GET_ARG1(call));
414	gcons_notify_char(consnum);	413	gcons_notify_char(consnum);
415	break;	414	break;
416	case CONSOLE_CLEAR:	415	case CONSOLE_CLEAR:
417	/* Send message to fb */	416	/* Send message to fb */
418	if (consnum == active_console) {	417	if (consnum == active_console) {
419	async_msg(fb_info.phone, FB_CLEAR, 0);	418	async_msg(fb_info.phone, FB_CLEAR, 0);
420	}	419	}
421		420
422	screenbuffer_clear(&conn->screenbuffer);	421	screenbuffer_clear(&conn->screenbuffer);
423		422
424	break;	423	break;
425	case CONSOLE_GOTO:	424	case CONSOLE_GOTO:
426	screenbuffer_goto(&conn->screenbuffer,	425	screenbuffer_goto(&conn->screenbuffer,
427	IPC_GET_ARG2(call), IPC_GET_ARG1(call));	426	IPC_GET_ARG2(call), IPC_GET_ARG1(call));
428	if (consnum == active_console)	427	if (consnum == active_console)
429	curs_goto(IPC_GET_ARG1(call),	428	curs_goto(IPC_GET_ARG1(call),
430	IPC_GET_ARG2(call));	429	IPC_GET_ARG2(call));
431	break;	430	break;
432	case CONSOLE_GETSIZE:	431	case CONSOLE_GETSIZE:
433	arg1 = fb_info.rows;	432	arg1 = fb_info.rows;
434	arg2 = fb_info.cols;	433	arg2 = fb_info.cols;
435	break;	434	break;
436	case CONSOLE_FLUSH:	435	case CONSOLE_FLUSH:
437	if (consnum == active_console)	436	if (consnum == active_console)
438	async_req_2(fb_info.phone, FB_FLUSH, 0, 0,	437	async_req_2(fb_info.phone, FB_FLUSH, 0, 0,
439	NULL, NULL);	438	NULL, NULL);
440	break;	439	break;
441	case CONSOLE_SET_STYLE:	440	case CONSOLE_SET_STYLE:
442	arg1 = IPC_GET_ARG1(call);	441	arg1 = IPC_GET_ARG1(call);
443	arg2 = IPC_GET_ARG2(call);	442	arg2 = IPC_GET_ARG2(call);
444	screenbuffer_set_style(&conn->screenbuffer, arg1,	443	screenbuffer_set_style(&conn->screenbuffer, arg1,
445	arg2);	444	arg2);
446	if (consnum == active_console)	445	if (consnum == active_console)
447	set_style_col(arg1, arg2);	446	set_style_col(arg1, arg2);
448	break;	447	break;
449	case CONSOLE_CURSOR_VISIBILITY:	448	case CONSOLE_CURSOR_VISIBILITY:
450	arg1 = IPC_GET_ARG1(call);	449	arg1 = IPC_GET_ARG1(call);
451	conn->screenbuffer.is_cursor_visible = arg1;	450	conn->screenbuffer.is_cursor_visible = arg1;
452	if (consnum == active_console)	451	if (consnum == active_console)
453	curs_visibility(arg1);	452	curs_visibility(arg1);
454	break;	453	break;
455	case CONSOLE_GETCHAR:	454	case CONSOLE_GETCHAR:
456	if (keybuffer_empty(&conn->keybuffer)) {	455	if (keybuffer_empty(&conn->keybuffer)) {
457	/* buffer is empty -> store request */	456	/* buffer is empty -> store request */
458	if (conn->keyrequest_counter <	457	if (conn->keyrequest_counter <
459	MAX_KEYREQUESTS_BUFFERED) {	458	MAX_KEYREQUESTS_BUFFERED) {
460	fifo_push(conn->keyrequests, callid);	459	fifo_push(conn->keyrequests, callid);
461	conn->keyrequest_counter++;	460	conn->keyrequest_counter++;
462	} else {	461	} else {
463	/*	462	/*
464	* No key available and too many	463	* No key available and too many
465	* requests => fail.	464	* requests => fail.
466	*/	465	*/
467	ipc_answer_fast(callid, ELIMIT, 0, 0);	466	ipc_answer_0(callid, ELIMIT);
468	}	467	}
469	continue;	468	continue;
470	}	469	}
471	keybuffer_pop(&conn->keybuffer, (int *) &arg1);	470	keybuffer_pop(&conn->keybuffer, (int *) &arg1);
472	break;	471	break;
473	}	472	}
474	ipc_answer_fast(callid, 0, arg1, arg2);	473	ipc_answer_2(callid, EOK, arg1, arg2);
475	}	474	}
476	}	475	}
477		476
478	int main(int argc, char *argv[])	477	int main(int argc, char *argv[])
479	{	478	{
480	ipcarg_t phonehash;	479	ipcarg_t phonehash;
481	int kbd_phone;	480	int kbd_phone;
482	int i;	481	int i;
483		482
484	async_set_client_connection(client_connection);	483	async_set_client_connection(client_connection);
485		484
486	/* Connect to keyboard driver */	485	/* Connect to keyboard driver */
487		486
488	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);	487	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
489	while (kbd_phone < 0) {	488	while (kbd_phone < 0) {
490	usleep(10000);	489	usleep(10000);
491	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);	490	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
492	}	491	}
493		492
494	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0)	493	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0)
495	return -1;	494	return -1;
496	async_new_connection(phonehash, 0, NULL, keyboard_events);	495	async_new_connection(phonehash, 0, NULL, keyboard_events);
497		496
498	/* Connect to framebuffer driver */	497	/* Connect to framebuffer driver */
499		498
500	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0);	499	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0);

Subversion Repositories HelenOS

(root)/trunk/uspace/srv/console/console.c – Rev 2618 → 2619