WebSVN – HelenOS – Diff – /branches/sparc/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
 */
 
/* TODO: remove */
#include <stdio.h>
 
#include <fb.h>
#include <ipc/ipc.h>
#include <keys.h>
#include <ipc/fb.h>
#include <ipc/services.h>
#include <errno.h>
#include <key_buffer.h>
#include <console.h>
#include <unistd.h>
#include <async.h>
#include <libadt/fifo.h>
#include <screenbuffer.h>
#include <sys/mman.h>
 
#include "gcons.h"
 
#define MAX_KEYREQUESTS_BUFFERED 32
 
#define NAME "CONSOLE"
 
/** Index of currently used virtual console.
 */
int active_console = 0;
 
/** Information about framebuffer
 */
struct {
    int phone;      /**< Framebuffer phone */
    ipcarg_t rows;      /**< Framebuffer rows */
    ipcarg_t cols;      /**< Framebuffer columns */
} fb_info;
 
typedef struct {
    keybuffer_t keybuffer;      /**< Buffer for incoming keys. */
    /** Buffer for unsatisfied request for keys. */
    FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
        MAX_KEYREQUESTS_BUFFERED); 
    int keyrequest_counter;     /**< Number of requests in buffer. */
    int client_phone;       /**< Phone to connected client. */
    int used;           /**< 1 if this virtual console is
                     * connected to some client.*/
    screenbuffer_t screenbuffer;    /**< Screenbuffer for saving screen
                     * contents and related settings. */
} connection_t;
 
static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
                         * consoles */
static keyfield_t *interbuffer = NULL;      /**< Pointer to memory shared
                         * with framebufer used for
                         * faster virtual console
                         * switching */
 
static int kernel_pixmap = -1;  /**< Number of fb pixmap, where kernel
                 * console is stored */
 
 
/** Find unused virtual console.
 *
 */
static int find_free_connection(void)
{
    int i;
   
    for (i = 0; i < CONSOLE_COUNT; i++) {
        if (!connections[i].used)
            return i;
    }
    return -1;
}
 
static void clrscr(void)
{
    async_msg(fb_info.phone, FB_CLEAR, 0);
}
 
static void curs_visibility(int v)
{
    async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);
}
 
static void curs_goto(int row, int col)
{
    async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
}
 
static void set_style(style_t *style)
{
    async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,
        style->bg_color);
}
 
static void set_style_col(int fgcolor, int bgcolor)
{
    async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
}
 
static void prtchr(char c, int row, int col)
{
    async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
}
 
/** Check key and process special keys.
 *
 *
 */
static void write_char(int console, char key)
{
    screenbuffer_t *scr = &(connections[console].screenbuffer);
   
    switch (key) {
    case '\n':
        scr->position_y++;
        scr->position_x = 0;
        break;
    case '\r':
        break;
    case '\t':
        scr->position_x += 8;
        scr->position_x -= scr->position_x % 8;
        break;
    case '\b':
        if (scr->position_x == 0)
            break;
        scr->position_x--;
        if (console == active_console)
            prtchr(' ', scr->position_y, scr->position_x);
        screenbuffer_putchar(scr, ' ');
        break;
    default:   
        if (console == active_console)
            prtchr(key, scr->position_y, scr->position_x);
 
        screenbuffer_putchar(scr, key);
        scr->position_x++;
    }
   
    scr->position_y += (scr->position_x >= scr->size_x);
   
    if (scr->position_y >= scr->size_y) {
        scr->position_y = scr->size_y - 1;
        screenbuffer_clear_line(scr, scr->top_line);
        scr->top_line = (scr->top_line + 1) % scr->size_y;
        if (console == active_console)
            async_msg(fb_info.phone, FB_SCROLL, 1);
    }
   
    scr->position_x = scr->position_x % scr->size_x;
   
    if (console == active_console)
        curs_goto(scr->position_y, scr->position_x);
   
}
 
/** Save current screen to pixmap, draw old pixmap
 *
 * @param oldpixmap Old pixmap
 * @return ID of pixmap of current screen
 */
static int switch_screens(int oldpixmap)
{
    int newpmap;
       
    /* Save screen */
    newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
    if (newpmap < 0)
        return -1;
 
    if (oldpixmap != -1) {
        /* Show old screen */
        async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);
        /* Drop old pixmap */
        async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
    }
   
    return newpmap;
}
 
/** Switch to new console */
static void change_console(int newcons)
{
    connection_t *conn;
    static int console_pixmap = -1;
    int i, j, rc;
    keyfield_t *field;
    style_t *style;
 
    if (newcons == active_console)
        return;
 
    if (newcons == KERNEL_CONSOLE) {
        if (active_console == KERNEL_CONSOLE)
            return;
        active_console = KERNEL_CONSOLE;
        curs_visibility(0);
 
        async_serialize_start();
        if (kernel_pixmap == -1) {
            /* store/restore unsupported */
            set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
            clrscr();
        } else {
            gcons_in_kernel();
            console_pixmap = switch_screens(kernel_pixmap);
            kernel_pixmap = -1;
        }
        async_serialize_end();
 
        __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
        return;
    }
   
    async_serialize_start();
 
    if (console_pixmap != -1) {
        kernel_pixmap = switch_screens(console_pixmap);
        console_pixmap = -1;
    }
    active_console = newcons;
    gcons_change_console(newcons);
    conn = &connections[active_console];
 
    set_style(&conn->screenbuffer.style);
    curs_visibility(0);
    if (interbuffer) {
        for (i = 0; i < conn->screenbuffer.size_x; i++)
            for (j = 0; j < conn->screenbuffer.size_y; j++) {
                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 2539	Rev 2566
1	/*	1	/*
2	* Copyright (c) 2006 Josef Cejka	2	* Copyright (c) 2006 Josef Cejka
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup console	29	/** @addtogroup console
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	/* TODO: remove */	35	/* TODO: remove */
36	#include <stdio.h>	36	#include <stdio.h>
37		37
38	#include <fb.h>	38	#include <fb.h>
39	#include <ipc/ipc.h>	39	#include <ipc/ipc.h>
40	#include <keys.h>	40	#include <keys.h>
41	#include <ipc/fb.h>	41	#include <ipc/fb.h>
42	#include <ipc/services.h>	42	#include <ipc/services.h>
43	#include <errno.h>	43	#include <errno.h>
44	#include <key_buffer.h>	44	#include <key_buffer.h>
45	#include <console.h>	45	#include <console.h>
46	#include <unistd.h>	46	#include <unistd.h>
47	#include <async.h>	47	#include <async.h>
48	#include <libadt/fifo.h>	48	#include <libadt/fifo.h>
49	#include <screenbuffer.h>	49	#include <screenbuffer.h>
50	#include <sys/mman.h>	50	#include <sys/mman.h>
51		51
52	#include "gcons.h"	52	#include "gcons.h"
53		53
54	#define MAX_KEYREQUESTS_BUFFERED 32	54	#define MAX_KEYREQUESTS_BUFFERED 32
55		55
56	#define NAME "CONSOLE"	56	#define NAME "CONSOLE"
57		57
58	/** Index of currently used virtual console.	58	/** Index of currently used virtual console.
59	*/	59	*/
60	int active_console = 0;	60	int active_console = 0;
61		61
62	/** Information about framebuffer	62	/** Information about framebuffer
63	*/	63	*/
64	struct {	64	struct {
65	int phone; /*< Framebuffer phone /	65	int phone; /*< Framebuffer phone /
66	ipcarg_t rows; /*< Framebuffer rows /	66	ipcarg_t rows; /*< Framebuffer rows /
67	ipcarg_t cols; /*< Framebuffer columns /	67	ipcarg_t cols; /*< Framebuffer columns /
68	} fb_info;	68	} fb_info;
69		69
70	typedef struct {	70	typedef struct {
71	keybuffer_t keybuffer; /*< Buffer for incoming keys. /	71	keybuffer_t keybuffer; /*< Buffer for incoming keys. /
72	/** Buffer for unsatisfied request for keys. */	72	/** Buffer for unsatisfied request for keys. */
73	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,	73	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
74	MAX_KEYREQUESTS_BUFFERED);	74	MAX_KEYREQUESTS_BUFFERED);
75	int keyrequest_counter; /*< Number of requests in buffer. /	75	int keyrequest_counter; /*< Number of requests in buffer. /
76	int client_phone; /*< Phone to connected client. /	76	int client_phone; /*< Phone to connected client. /
77	int used; /**< 1 if this virtual console is	77	int used; /**< 1 if this virtual console is
78	* connected to some client.*/	78	* connected to some client.*/
79	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen	79	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen
80	* contents and related settings. */	80	* contents and related settings. */
81	} connection_t;	81	} connection_t;
82		82
83	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual	83	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
84	* consoles */	84	* consoles */
85	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared	85	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared
86	* with framebufer used for	86	* with framebufer used for
87	* faster virtual console	87	* faster virtual console
88	* switching */	88	* switching */
89		89
90	static int kernel_pixmap = -1; /**< Number of fb pixmap, where kernel	90	static int kernel_pixmap = -1; /**< Number of fb pixmap, where kernel
91	* console is stored */	91	* console is stored */
92		92
93		93
94	/** Find unused virtual console.	94	/** Find unused virtual console.
95	*	95	*
96	*/	96	*/
97	static int find_free_connection(void)	97	static int find_free_connection(void)
98	{	98	{
99	int i;	99	int i;
100		100
101	for (i = 0; i < CONSOLE_COUNT; i++) {	101	for (i = 0; i < CONSOLE_COUNT; i++) {
102	if (!connections[i].used)	102	if (!connections[i].used)
103	return i;	103	return i;
104	}	104	}
105	return -1;	105	return -1;
106	}	106	}
107		107
108	static void clrscr(void)	108	static void clrscr(void)
109	{	109	{
110	async_msg(fb_info.phone, FB_CLEAR, 0);	110	async_msg(fb_info.phone, FB_CLEAR, 0);
111	}	111	}
112		112
113	static void curs_visibility(int v)	113	static void curs_visibility(int v)
114	{	114	{
115	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);	115	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);
116	}	116	}
117		117
118	static void curs_goto(int row, int col)	118	static void curs_goto(int row, int col)
119	{	119	{
120	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);	120	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
121	}	121	}
122		122
123	static void set_style(style_t *style)	123	static void set_style(style_t *style)
124	{	124	{
125	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,	125	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,
126	style->bg_color);	126	style->bg_color);
127	}	127	}
128		128
129	static void set_style_col(int fgcolor, int bgcolor)	129	static void set_style_col(int fgcolor, int bgcolor)
130	{	130	{
131	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);	131	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
132	}	132	}
133		133
134	static void prtchr(char c, int row, int col)	134	static void prtchr(char c, int row, int col)
135	{	135	{
136	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);	136	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
137	}	137	}
138		138
139	/** Check key and process special keys.	139	/** Check key and process special keys.
140	*	140	*
-		141	*
141	* */	142	*/
142	static void write_char(int console, char key)	143	static void write_char(int console, char key)
143	{	144	{
144	screenbuffer_t *scr = &(connections[console].screenbuffer);	145	screenbuffer_t *scr = &(connections[console].screenbuffer);
145		146
146	switch (key) {	147	switch (key) {
147	case '\n':	148	case '\n':
148	scr->position_y++;	149	scr->position_y++;
149	scr->position_x = 0;	150	scr->position_x = 0;
150	break;	151	break;
151	case '\r':	152	case '\r':
152	break;	153	break;
153	case '\t':	154	case '\t':
154	scr->position_x += 8;	155	scr->position_x += 8;
155	scr->position_x -= scr->position_x % 8;	156	scr->position_x -= scr->position_x % 8;
156	break;	157	break;
157	case '\b':	158	case '\b':
158	if (scr->position_x == 0)	159	if (scr->position_x == 0)
159	break;	160	break;
160	scr->position_x--;	161	scr->position_x--;
161	if (console == active_console)	162	if (console == active_console)
162	prtchr(' ', scr->position_y, scr->position_x);	163	prtchr(' ', scr->position_y, scr->position_x);
163	screenbuffer_putchar(scr, ' ');	164	screenbuffer_putchar(scr, ' ');
164	break;	165	break;
165	default:	166	default:
166	if (console == active_console)	167	if (console == active_console)
167	prtchr(key, scr->position_y, scr->position_x);	168	prtchr(key, scr->position_y, scr->position_x);
168		169
169	screenbuffer_putchar(scr, key);	170	screenbuffer_putchar(scr, key);
170	scr->position_x++;	171	scr->position_x++;
171	}	172	}
172		173
173	scr->position_y += (scr->position_x >= scr->size_x);	174	scr->position_y += (scr->position_x >= scr->size_x);
174		175
175	if (scr->position_y >= scr->size_y) {	176	if (scr->position_y >= scr->size_y) {
176	scr->position_y = scr->size_y - 1;	177	scr->position_y = scr->size_y - 1;
177	screenbuffer_clear_line(scr, scr->top_line);	178	screenbuffer_clear_line(scr, scr->top_line);
178	scr->top_line = (scr->top_line + 1) % scr->size_y;	179	scr->top_line = (scr->top_line + 1) % scr->size_y;
179	if (console == active_console)	180	if (console == active_console)
180	async_msg(fb_info.phone, FB_SCROLL, 1);	181	async_msg(fb_info.phone, FB_SCROLL, 1);
181	}	182	}
182		183
183	scr->position_x = scr->position_x % scr->size_x;	184	scr->position_x = scr->position_x % scr->size_x;
184		185
185	if (console == active_console)	186	if (console == active_console)
186	curs_goto(scr->position_y, scr->position_x);	187	curs_goto(scr->position_y, scr->position_x);
187		188
188	}	189	}
189		190
190	/** Save current screen to pixmap, draw old pixmap	191	/** Save current screen to pixmap, draw old pixmap
191	*	192	*
192	* @param oldpixmap Old pixmap	193	* @param oldpixmap Old pixmap
193	* @return ID of pixmap of current screen	194	* @return ID of pixmap of current screen
194	*/	195	*/
195	static int switch_screens(int oldpixmap)	196	static int switch_screens(int oldpixmap)
196	{	197	{
197	int newpmap;	198	int newpmap;
198		199
199	/* Save screen */	200	/* Save screen */
200	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);	201	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
201	if (newpmap < 0)	202	if (newpmap < 0)
202	return -1;	203	return -1;
203		204
204	if (oldpixmap != -1) {	205	if (oldpixmap != -1) {
205	/* Show old screen */	206	/* Show old screen */
206	async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);	207	async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);
207	/* Drop old pixmap */	208	/* Drop old pixmap */
208	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);	209	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
209	}	210	}
210		211
211	return newpmap;	212	return newpmap;
212	}	213	}
213		214
214	/** Switch to new console */	215	/** Switch to new console */
215	static void change_console(int newcons)	216	static void change_console(int newcons)
216	{	217	{
217	connection_t *conn;	218	connection_t *conn;
218	static int console_pixmap = -1;	219	static int console_pixmap = -1;
219	int i, j, rc;	220	int i, j, rc;
220	keyfield_t *field;	221	keyfield_t *field;
221	style_t *style;	222	style_t *style;
222		223
223	if (newcons == active_console)	224	if (newcons == active_console)
224	return;	225	return;
225		226
226	if (newcons == KERNEL_CONSOLE) {	227	if (newcons == KERNEL_CONSOLE) {
227	if (active_console == KERNEL_CONSOLE)	228	if (active_console == KERNEL_CONSOLE)
228	return;	229	return;
229	active_console = KERNEL_CONSOLE;	230	active_console = KERNEL_CONSOLE;
230	curs_visibility(0);	231	curs_visibility(0);
231		232
232	async_serialize_start();	233	async_serialize_start();
233	if (kernel_pixmap == -1) {	234	if (kernel_pixmap == -1) {
234	/* store/restore unsupported */	235	/* store/restore unsupported */
235	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);	236	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
236	clrscr();	237	clrscr();
237	} else {	238	} else {
238	gcons_in_kernel();	239	gcons_in_kernel();
239	console_pixmap = switch_screens(kernel_pixmap);	240	console_pixmap = switch_screens(kernel_pixmap);
240	kernel_pixmap = -1;	241	kernel_pixmap = -1;
241	}	242	}
242	async_serialize_end();	243	async_serialize_end();
243		244
244	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);	245	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
245	return;	246	return;
246	}	247	}
247		248
248	async_serialize_start();	249	async_serialize_start();
249		250
250	if (console_pixmap != -1) {	251	if (console_pixmap != -1) {
251	kernel_pixmap = switch_screens(console_pixmap);	252	kernel_pixmap = switch_screens(console_pixmap);
252	console_pixmap = -1;	253	console_pixmap = -1;
253	}	254	}
254	active_console = newcons;	255	active_console = newcons;
255	gcons_change_console(newcons);	256	gcons_change_console(newcons);
256	conn = &connections[active_console];	257	conn = &connections[active_console];
257		258
258	set_style(&conn->screenbuffer.style);	259	set_style(&conn->screenbuffer.style);
259	curs_visibility(0);	260	curs_visibility(0);
260	if (interbuffer) {	261	if (interbuffer) {
261	for (i = 0; i < conn->screenbuffer.size_x; i++)	262	for (i = 0; i < conn->screenbuffer.size_x; i++)
262	for (j = 0; j < conn->screenbuffer.size_y; j++) {	263	for (j = 0; j < conn->screenbuffer.size_y; j++) {
263	unsigned int size_x;	264	unsigned int size_x;
264		265
265	size_x = conn->screenbuffer.size_x;	266	size_x = conn->screenbuffer.size_x;
266	interbuffer[i + j * size_x] =	267	interbuffer[i + j * size_x] =
267	*get_field_at(&conn->screenbuffer, i, j);	268	*get_field_at(&conn->screenbuffer, i, j);
268	}	269	}
269	/* This call can preempt, but we are already at the end */	270	/* This call can preempt, but we are already at the end */
270	rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL,	271	rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL,
271	NULL);	272	NULL);
272	}	273	}
273		274
274	if ((!interbuffer) \|\| (rc != 0)) {	275	if ((!interbuffer) \|\| (rc != 0)) {
275	set_style(&conn->screenbuffer.style);	276	set_style(&conn->screenbuffer.style);
276	clrscr();	277	clrscr();
277	style = &conn->screenbuffer.style;	278	style = &conn->screenbuffer.style;
278		279
279	for (j = 0; j < conn->screenbuffer.size_y; j++)	280	for (j = 0; j < conn->screenbuffer.size_y; j++)
280	for (i = 0; i < conn->screenbuffer.size_x; i++) {	281	for (i = 0; i < conn->screenbuffer.size_x; i++) {
281	field = get_field_at(&conn->screenbuffer, i,	282	field = get_field_at(&conn->screenbuffer, i,
282	j);	283	j);
283	if (!style_same(*style, field->style))	284	if (!style_same(*style, field->style))
284	set_style(&field->style);	285	set_style(&field->style);
285	style = &field->style;	286	style = &field->style;
286	if ((field->character == ' ') &&	287	if ((field->character == ' ') &&
287	(style_same(field->style,	288	(style_same(field->style,
288	conn->screenbuffer.style)))	289	conn->screenbuffer.style)))
289	continue;	290	continue;
290		291
291	prtchr(field->character, j, i);	292	prtchr(field->character, j, i);
292	}	293	}
293	}	294	}
294		295
295	curs_goto(conn->screenbuffer.position_y,	296	curs_goto(conn->screenbuffer.position_y,
296	conn->screenbuffer.position_x);	297	conn->screenbuffer.position_x);
297	curs_visibility(conn->screenbuffer.is_cursor_visible);	298	curs_visibility(conn->screenbuffer.is_cursor_visible);
298		299
299	async_serialize_end();	300	async_serialize_end();
300	}	301	}
301		302
302	/** Handler for keyboard */	303	/** Handler for keyboard */
303	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)	304	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
304	{	305	{
305	ipc_callid_t callid;	306	ipc_callid_t callid;
306	ipc_call_t call;	307	ipc_call_t call;
307	int retval;	308	int retval;
308	int c;	309	int c;
309	connection_t *conn;	310	connection_t *conn;
310	int newcon;	311	int newcon;
311		312
312	/* Ignore parameters, the connection is alread opened */	313	/* Ignore parameters, the connection is alread opened */
313	while (1) {	314	while (1) {
314	callid = async_get_call(&call);	315	callid = async_get_call(&call);
315	switch (IPC_GET_METHOD(call)) {	316	switch (IPC_GET_METHOD(call)) {
316	case IPC_M_PHONE_HUNGUP:	317	case IPC_M_PHONE_HUNGUP:
317	/* TODO: Handle hangup */	318	/* TODO: Handle hangup */
318	return;	319	return;
319	case KBD_MS_LEFT:	320	case KBD_MS_LEFT:
320	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));	321	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
321	if (newcon != -1)	322	if (newcon != -1)
322	change_console(newcon);	323	change_console(newcon);
323	retval = 0;	324	retval = 0;
324	break;	325	break;
325	case KBD_MS_MOVE:	326	case KBD_MS_MOVE:
326	gcons_mouse_move(IPC_GET_ARG1(call),	327	gcons_mouse_move(IPC_GET_ARG1(call),
327	IPC_GET_ARG2(call));	328	IPC_GET_ARG2(call));
328	retval = 0;	329	retval = 0;
329	break;	330	break;
330	case KBD_PUSHCHAR:	331	case KBD_PUSHCHAR:
331	/* got key from keyboard driver */	332	/* got key from keyboard driver */
332		333
333	retval = 0;	334	retval = 0;
334	c = IPC_GET_ARG1(call);	335	c = IPC_GET_ARG1(call);
335	/* switch to another virtual console */	336	/* switch to another virtual console */
336		337
337	conn = &connections[active_console];	338	conn = &connections[active_console];
338	/*	339	/*
339	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +	340	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +
340	* CONSOLE_COUNT)) {	341	* CONSOLE_COUNT)) {
341	*/	342	*/
342	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {	343	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
343	if (c == 0x112)	344	if (c == 0x112)
344	change_console(KERNEL_CONSOLE);	345	change_console(KERNEL_CONSOLE);
345	else	346	else
346	change_console(c - 0x101);	347	change_console(c - 0x101);
347	break;	348	break;
348	}	349	}
349		350
350	/* if client is awaiting key, send it */	351	/* if client is awaiting key, send it */
351	if (conn->keyrequest_counter > 0) {	352	if (conn->keyrequest_counter > 0) {
352	conn->keyrequest_counter--;	353	conn->keyrequest_counter--;
353	ipc_answer_fast(fifo_pop(conn->keyrequests), 0,	354	ipc_answer_fast(fifo_pop(conn->keyrequests), 0,
354	c, 0);	355	c, 0);
355	break;	356	break;
356	}	357	}
357		358
358	keybuffer_push(&conn->keybuffer, c);	359	keybuffer_push(&conn->keybuffer, c);
359	retval = 0;	360	retval = 0;
360		361
361	break;	362	break;
362	default:	363	default:
363	retval = ENOENT;	364	retval = ENOENT;
364	}	365	}
365	ipc_answer_fast(callid, retval, 0, 0);	366	ipc_answer_fast(callid, retval, 0, 0);
366	}	367	}
367	}	368	}
368		369
369	/** Default thread for new connections */	370	/** Default thread for new connections */
370	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)	371	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
371	{	372	{
372	ipc_callid_t callid;	373	ipc_callid_t callid;
373	ipc_call_t call;	374	ipc_call_t call;
374	int consnum;	375	int consnum;
375	ipcarg_t arg1, arg2;	376	ipcarg_t arg1, arg2;
376	connection_t *conn;	377	connection_t *conn;
377		378
378	if ((consnum = find_free_connection()) == -1) {	379	if ((consnum = find_free_connection()) == -1) {
379	ipc_answer_fast(iid,ELIMIT,0,0);	380	ipc_answer_fast(iid, ELIMIT, 0, 0);
380	return;	381	return;
381	}	382	}
382	conn = &connections[consnum];	383	conn = &connections[consnum];
383	conn->used = 1;	384	conn->used = 1;
384		385
385	async_serialize_start();	386	async_serialize_start();
386	gcons_notify_connect(consnum);	387	gcons_notify_connect(consnum);
387	conn->client_phone = IPC_GET_ARG3(call);	388	conn->client_phone = IPC_GET_ARG3(call);
388	screenbuffer_clear(&conn->screenbuffer);	389	screenbuffer_clear(&conn->screenbuffer);
389		390
390	/* Accept the connection */	391	/* Accept the connection */
391	ipc_answer_fast(iid, 0, 0, 0);	392	ipc_answer_fast(iid, 0, 0, 0);
392		393
393	while (1) {	394	while (1) {
394	async_serialize_end();	395	async_serialize_end();
395	callid = async_get_call(&call);	396	callid = async_get_call(&call);
396	async_serialize_start();	397	async_serialize_start();
397		398
-		399	arg1 = 0;
398	arg1 = arg2 = 0;	400	arg2 = 0;
399	switch (IPC_GET_METHOD(call)) {	401	switch (IPC_GET_METHOD(call)) {
400	case IPC_M_PHONE_HUNGUP:	402	case IPC_M_PHONE_HUNGUP:
401	gcons_notify_disconnect(consnum);	403	gcons_notify_disconnect(consnum);
402		404
403	/* Answer all pending requests */	405	/* Answer all pending requests */
404	while (conn->keyrequest_counter > 0) {	406	while (conn->keyrequest_counter > 0) {
405	conn->keyrequest_counter--;	407	conn->keyrequest_counter--;
406	ipc_answer_fast(fifo_pop(conn->keyrequests),	408	ipc_answer_fast(fifo_pop(conn->keyrequests),
407	ENOENT, 0, 0);	409	ENOENT, 0, 0);
408	break;	410	break;
409	}	411	}
410	conn->used = 0;	412	conn->used = 0;
411	return;	413	return;
412	case CONSOLE_PUTCHAR:	414	case CONSOLE_PUTCHAR:
413	write_char(consnum, IPC_GET_ARG1(call));	415	write_char(consnum, IPC_GET_ARG1(call));
414	gcons_notify_char(consnum);	416	gcons_notify_char(consnum);
415	break;	417	break;
416	case CONSOLE_CLEAR:	418	case CONSOLE_CLEAR:
417	/* Send message to fb */	419	/* Send message to fb */
418	if (consnum == active_console) {	420	if (consnum == active_console) {
419	async_msg(fb_info.phone, FB_CLEAR, 0);	421	async_msg(fb_info.phone, FB_CLEAR, 0);
420	}	422	}
421		423
422	screenbuffer_clear(&conn->screenbuffer);	424	screenbuffer_clear(&conn->screenbuffer);
423		425
424	break;	426	break;
425	case CONSOLE_GOTO:	427	case CONSOLE_GOTO:
426	screenbuffer_goto(&conn->screenbuffer,	428	screenbuffer_goto(&conn->screenbuffer,
427	IPC_GET_ARG2(call), IPC_GET_ARG1(call));	429	IPC_GET_ARG2(call), IPC_GET_ARG1(call));
428	if (consnum == active_console)	430	if (consnum == active_console)
429	curs_goto(IPC_GET_ARG1(call),	431	curs_goto(IPC_GET_ARG1(call),
430	IPC_GET_ARG2(call));	432	IPC_GET_ARG2(call));
431	break;	433	break;
432	case CONSOLE_GETSIZE:	434	case CONSOLE_GETSIZE:
433	arg1 = fb_info.rows;	435	arg1 = fb_info.rows;
434	arg2 = fb_info.cols;	436	arg2 = fb_info.cols;
435	break;	437	break;
436	case CONSOLE_FLUSH:	438	case CONSOLE_FLUSH:
437	if (consnum == active_console)	439	if (consnum == active_console)
438	async_req_2(fb_info.phone, FB_FLUSH, 0, 0,	440	async_req_2(fb_info.phone, FB_FLUSH, 0, 0,
439	NULL, NULL);	441	NULL, NULL);
440	break;	442	break;
441	case CONSOLE_SET_STYLE:	443	case CONSOLE_SET_STYLE:
442	arg1 = IPC_GET_ARG1(call);	444	arg1 = IPC_GET_ARG1(call);
443	arg2 = IPC_GET_ARG2(call);	445	arg2 = IPC_GET_ARG2(call);
444	screenbuffer_set_style(&conn->screenbuffer, arg1,	446	screenbuffer_set_style(&conn->screenbuffer, arg1,
445	arg2);	447	arg2);
446	if (consnum == active_console)	448	if (consnum == active_console)
447	set_style_col(arg1, arg2);	449	set_style_col(arg1, arg2);
448	break;	450	break;
449	case CONSOLE_CURSOR_VISIBILITY:	451	case CONSOLE_CURSOR_VISIBILITY:
450	arg1 = IPC_GET_ARG1(call);	452	arg1 = IPC_GET_ARG1(call);
451	conn->screenbuffer.is_cursor_visible = arg1;	453	conn->screenbuffer.is_cursor_visible = arg1;
452	if (consnum == active_console)	454	if (consnum == active_console)
453	curs_visibility(arg1);	455	curs_visibility(arg1);
454	break;	456	break;
455	case CONSOLE_GETCHAR:	457	case CONSOLE_GETCHAR:
456	if (keybuffer_empty(&conn->keybuffer)) {	458	if (keybuffer_empty(&conn->keybuffer)) {
457	/* buffer is empty -> store request */	459	/* buffer is empty -> store request */
458	if (conn->keyrequest_counter <	460	if (conn->keyrequest_counter <
459	MAX_KEYREQUESTS_BUFFERED) {	461	MAX_KEYREQUESTS_BUFFERED) {
460	fifo_push(conn->keyrequests, callid);	462	fifo_push(conn->keyrequests, callid);
461	conn->keyrequest_counter++;	463	conn->keyrequest_counter++;
462	} else {	464	} else {
463	/*	465	/*
464	* No key available and too many	466	* No key available and too many
465	* requests => fail.	467	* requests => fail.
466	*/	468	*/
467	ipc_answer_fast(callid, ELIMIT, 0, 0);	469	ipc_answer_fast(callid, ELIMIT, 0, 0);
468	}	470	}
469	continue;	471	continue;
470	}	472	}
471	keybuffer_pop(&conn->keybuffer, (int *) &arg1);	473	keybuffer_pop(&conn->keybuffer, (int *) &arg1);
472	break;	474	break;
473	}	475	}
474	ipc_answer_fast(callid, 0, arg1, arg2);	476	ipc_answer_fast(callid, 0, arg1, arg2);
475	}	477	}
476	}	478	}
477		479
478	int main(int argc, char *argv[])	480	int main(int argc, char *argv[])
479	{	481	{
480	ipcarg_t phonehash;	482	ipcarg_t phonehash;
481	int kbd_phone;	483	int kbd_phone;
482	int i;	484	int i;
483		485
484	async_set_client_connection(client_connection);	486	async_set_client_connection(client_connection);
485		487
486	/* Connect to keyboard driver */	488	/* Connect to keyboard driver */
487		489
488	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);	490	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
489	while (kbd_phone < 0) {	491	while (kbd_phone < 0) {
490	usleep(10000);	492	usleep(10000);
491	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);	493	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
492	}	494	}
493		495
494	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0)	496	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0)
495	return -1;	497	return -1;
496	async_new_connection(phonehash, 0, NULL, keyboard_events);	498	async_new_connection(phonehash, 0, NULL, keyboard_events);
497		499
498	/* Connect to framebuffer driver */	500	/* Connect to framebuffer driver */

Subversion Repositories HelenOS

(root)/branches/sparc/uspace/srv/console/console.c @ 3745 – Rev 2539 → 2566