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 = 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 2479	Rev 2539
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		-
71	typedef struct {	70	typedef struct {
72	keybuffer_t keybuffer; /*< Buffer for incoming keys. /	71	keybuffer_t keybuffer; /*< Buffer for incoming keys. /
73	/** Buffer for unsatisfied request for keys. */	72	/** Buffer for unsatisfied request for keys. */
74	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,	73	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
75	MAX_KEYREQUESTS_BUFFERED);	74	MAX_KEYREQUESTS_BUFFERED);
76	int keyrequest_counter; /*< Number of requests in buffer. /	75	int keyrequest_counter; /*< Number of requests in buffer. /
77	int client_phone; /*< Phone to connected client. /	76	int client_phone; /*< Phone to connected client. /
78	int used; /**< 1 if this virtual console is	77	int used; /**< 1 if this virtual console is
79	* connected to some client.*/	78	* connected to some client.*/
80	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen	79	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen
81	* contents and related settings. */	80	* contents and related settings. */
82	} connection_t;	81	} connection_t;
83		82
84	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual	83	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
85	* consoles */	84	* consoles */
86	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared	85	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared
87	* with framebufer used for	86	* with framebufer used for
88	* faster virtual console	87	* faster virtual console
89	* switching */	88	* switching */
90		89
91	static int kernel_pixmap = -1; /**< Number of fb pixmap, where kernel	90	static int kernel_pixmap = -1; /**< Number of fb pixmap, where kernel
92	* console is stored */	91	* console is stored */
93		92
94		93
95	/** Find unused virtual console.	94	/** Find unused virtual console.
96	*	95	*
97	*/	96	*/
98	static int find_free_connection(void)	97	static int find_free_connection(void)
99	{	98	{
100	int i;	99	int i;
101		100
102	for (i = 0; i < CONSOLE_COUNT; i++) {	101	for (i = 0; i < CONSOLE_COUNT; i++) {
103	if (!connections[i].used)	102	if (!connections[i].used)
104	return i;	103	return i;
105	}	104	}
106	return -1;	105	return -1;
107	}	106	}
108		107
109	static void clrscr(void)	108	static void clrscr(void)
110	{	109	{
111	async_msg(fb_info.phone, FB_CLEAR, 0);	110	async_msg(fb_info.phone, FB_CLEAR, 0);
112	}	111	}
113		112
114	static void curs_visibility(int v)	113	static void curs_visibility(int v)
115	{	114	{
116	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);	115	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);
117	}	116	}
118		117
119	static void curs_goto(int row, int col)	118	static void curs_goto(int row, int col)
120	{	119	{
121	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);	120	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
122	}	121	}
123		122
124	static void set_style(style_t *style)	123	static void set_style(style_t *style)
125	{	124	{
126	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,
127	style->bg_color);	126	style->bg_color);
128	}	127	}
129		128
130	static void set_style_col(int fgcolor, int bgcolor)	129	static void set_style_col(int fgcolor, int bgcolor)
131	{	130	{
132	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);	131	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
133	}	132	}
134		133
135	static void prtchr(char c, int row, int col)	134	static void prtchr(char c, int row, int col)
136	{	135	{
137	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);	136	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
138	}	137	}
139		138
140	/** Check key and process special keys.	139	/** Check key and process special keys.
141	*	140	*
142	* */	141	* */
143	static void write_char(int console, char key)	142	static void write_char(int console, char key)
144	{	143	{
145	screenbuffer_t *scr = &(connections[console].screenbuffer);	144	screenbuffer_t *scr = &(connections[console].screenbuffer);
146		145
147	switch (key) {	146	switch (key) {
148	case '\n':	147	case '\n':
149	scr->position_y++;	148	scr->position_y++;
150	scr->position_x = 0;	149	scr->position_x = 0;
151	break;	150	break;
152	case '\r':	151	case '\r':
153	break;	152	break;
154	case '\t':	153	case '\t':
155	scr->position_x += 8;	154	scr->position_x += 8;
156	scr->position_x -= scr->position_x % 8;	155	scr->position_x -= scr->position_x % 8;
157	break;	156	break;
158	case '\b':	157	case '\b':
159	if (scr->position_x == 0)	158	if (scr->position_x == 0)
160	break;	159	break;
161	scr->position_x--;	160	scr->position_x--;
162	if (console == active_console)	161	if (console == active_console)
163	prtchr(' ', scr->position_y, scr->position_x);	162	prtchr(' ', scr->position_y, scr->position_x);
164	screenbuffer_putchar(scr, ' ');	163	screenbuffer_putchar(scr, ' ');
165	break;	164	break;
166	default:	165	default:
167	if (console == active_console)	166	if (console == active_console)
168	prtchr(key, scr->position_y, scr->position_x);	167	prtchr(key, scr->position_y, scr->position_x);
169		168
170	screenbuffer_putchar(scr, key);	169	screenbuffer_putchar(scr, key);
171	scr->position_x++;	170	scr->position_x++;
172	}	171	}
173		172
174	scr->position_y += (scr->position_x >= scr->size_x);	173	scr->position_y += (scr->position_x >= scr->size_x);
175		174
176	if (scr->position_y >= scr->size_y) {	175	if (scr->position_y >= scr->size_y) {
177	scr->position_y = scr->size_y - 1;	176	scr->position_y = scr->size_y - 1;
178	screenbuffer_clear_line(scr, scr->top_line);	177	screenbuffer_clear_line(scr, scr->top_line);
179	scr->top_line = (scr->top_line + 1) % scr->size_y;	178	scr->top_line = (scr->top_line + 1) % scr->size_y;
180	if (console == active_console)	179	if (console == active_console)
181	async_msg(fb_info.phone, FB_SCROLL, 1);	180	async_msg(fb_info.phone, FB_SCROLL, 1);
182	}	181	}
183		182
184	scr->position_x = scr->position_x % scr->size_x;	183	scr->position_x = scr->position_x % scr->size_x;
185		184
186	if (console == active_console)	185	if (console == active_console)
187	curs_goto(scr->position_y, scr->position_x);	186	curs_goto(scr->position_y, scr->position_x);
188		187
189	}	188	}
190		189
191	/** Save current screen to pixmap, draw old pixmap	190	/** Save current screen to pixmap, draw old pixmap
192	*	191	*
193	* @param oldpixmap Old pixmap	192	* @param oldpixmap Old pixmap
194	* @return ID of pixmap of current screen	193	* @return ID of pixmap of current screen
195	*/	194	*/
196	static int switch_screens(int oldpixmap)	195	static int switch_screens(int oldpixmap)
197	{	196	{
198	int newpmap;	197	int newpmap;
199		198
200	/* Save screen */	199	/* Save screen */
201	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);	200	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
202	if (newpmap < 0)	201	if (newpmap < 0)
203	return -1;	202	return -1;
204		203
205	if (oldpixmap != -1) {	204	if (oldpixmap != -1) {
206	/* Show old screen */	205	/* Show old screen */
207	async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);	206	async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);
208	/* Drop old pixmap */	207	/* Drop old pixmap */
209	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);	208	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
210	}	209	}
211		210
212	return newpmap;	211	return newpmap;
213	}	212	}
214		213
215	/** Switch to new console */	214	/** Switch to new console */
216	static void change_console(int newcons)	215	static void change_console(int newcons)
217	{	216	{
218	connection_t *conn;	217	connection_t *conn;
219	static int console_pixmap = -1;	218	static int console_pixmap = -1;
220	int i, j, rc;	219	int i, j, rc;
221	keyfield_t *field;	220	keyfield_t *field;
222	style_t *style;	221	style_t *style;
223		222
224	if (newcons == active_console)	223	if (newcons == active_console)
225	return;	224	return;
226		225
227	if (newcons == KERNEL_CONSOLE) {	226	if (newcons == KERNEL_CONSOLE) {
228	if (active_console == KERNEL_CONSOLE)	227	if (active_console == KERNEL_CONSOLE)
229	return;	228	return;
230	active_console = KERNEL_CONSOLE;	229	active_console = KERNEL_CONSOLE;
231	curs_visibility(0);	230	curs_visibility(0);
232		231
233	async_serialize_start();	232	async_serialize_start();
234	if (kernel_pixmap == -1) {	233	if (kernel_pixmap == -1) {
235	/* store/restore unsupported */	234	/* store/restore unsupported */
236	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);	235	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
237	clrscr();	236	clrscr();
238	} else {	237	} else {
239	gcons_in_kernel();	238	gcons_in_kernel();
240	console_pixmap = switch_screens(kernel_pixmap);	239	console_pixmap = switch_screens(kernel_pixmap);
241	kernel_pixmap = -1;	240	kernel_pixmap = -1;
242	}	241	}
243	async_serialize_end();	242	async_serialize_end();
244		243
245	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);	244	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
246	return;	245	return;
247	}	246	}
248		247
249	async_serialize_start();	248	async_serialize_start();
250		249
251	if (console_pixmap != -1) {	250	if (console_pixmap != -1) {
252	kernel_pixmap = switch_screens(console_pixmap);	251	kernel_pixmap = switch_screens(console_pixmap);
253	console_pixmap = -1;	252	console_pixmap = -1;
254	}	253	}
255	active_console = newcons;	254	active_console = newcons;
256	gcons_change_console(newcons);	255	gcons_change_console(newcons);
257	conn = &connections[active_console];	256	conn = &connections[active_console];
258		257
259	set_style(&conn->screenbuffer.style);	258	set_style(&conn->screenbuffer.style);
260	curs_visibility(0);	259	curs_visibility(0);
261	if (interbuffer) {	260	if (interbuffer) {
262	for (i = 0; i < conn->screenbuffer.size_x; i++)	261	for (i = 0; i < conn->screenbuffer.size_x; i++)
263	for (j = 0; j < conn->screenbuffer.size_y; j++)	262	for (j = 0; j < conn->screenbuffer.size_y; j++) {
-		263	unsigned int size_x;
-		264
264	interbuffer[i + j * conn->screenbuffer.size_x] =	265	size_x = conn->screenbuffer.size_x;
-		266	interbuffer[i + j * size_x] =
265	*get_field_at(&(conn->screenbuffer),	267	*get_field_at(&conn->screenbuffer, i, j);
266	i, j);	268	}
267	/* This call can preempt, but we are already at the end */	269	/* This call can preempt, but we are already at the end */
268	rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL,	270	rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL,
269	NULL);	271	NULL);
270	};	272	}
271		273
272	if ((!interbuffer) \|\| (rc != 0)) {	274	if ((!interbuffer) \|\| (rc != 0)) {
273	set_style(&conn->screenbuffer.style);	275	set_style(&conn->screenbuffer.style);
274	clrscr();	276	clrscr();
275	style = &conn->screenbuffer.style;	277	style = &conn->screenbuffer.style;
276		278
277	for (j = 0; j < conn->screenbuffer.size_y; j++)	279	for (j = 0; j < conn->screenbuffer.size_y; j++)
278	for (i = 0; i < conn->screenbuffer.size_x; i++) {	280	for (i = 0; i < conn->screenbuffer.size_x; i++) {
279	field = get_field_at(&(conn->screenbuffer), i,	281	field = get_field_at(&conn->screenbuffer, i,
280	j);	282	j);
281	if (!style_same(*style, field->style))	283	if (!style_same(*style, field->style))
282	set_style(&field->style);	284	set_style(&field->style);
283	style = &field->style;	285	style = &field->style;
284	if ((field->character == ' ') &&	286	if ((field->character == ' ') &&
285	(style_same(field->style,	287	(style_same(field->style,
286	conn->screenbuffer.style)))	288	conn->screenbuffer.style)))
287	continue;	289	continue;
288		290
289	prtchr(field->character, j, i);	291	prtchr(field->character, j, i);
290	}	292	}
291	}	293	}
292		294
293	curs_goto(conn->screenbuffer.position_y,	295	curs_goto(conn->screenbuffer.position_y,
294	conn->screenbuffer.position_x);	296	conn->screenbuffer.position_x);
295	curs_visibility(conn->screenbuffer.is_cursor_visible);	297	curs_visibility(conn->screenbuffer.is_cursor_visible);
296		298
297	async_serialize_end();	299	async_serialize_end();
298	}	300	}
299		301
300	/** Handler for keyboard */	302	/** Handler for keyboard */
301	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)	303	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
302	{	304	{
303	ipc_callid_t callid;	305	ipc_callid_t callid;
304	ipc_call_t call;	306	ipc_call_t call;
305	int retval;	307	int retval;
306	int c;	308	int c;
307	connection_t *conn;	309	connection_t *conn;
308	int newcon;	310	int newcon;
309		311
310	/* Ignore parameters, the connection is alread opened */	312	/* Ignore parameters, the connection is alread opened */
311	while (1) {	313	while (1) {
312	callid = async_get_call(&call);	314	callid = async_get_call(&call);
313	switch (IPC_GET_METHOD(call)) {	315	switch (IPC_GET_METHOD(call)) {
314	case IPC_M_PHONE_HUNGUP:	316	case IPC_M_PHONE_HUNGUP:
315	/* TODO: Handle hangup */	317	/* TODO: Handle hangup */
316	return;	318	return;
317	case KBD_MS_LEFT:	319	case KBD_MS_LEFT:
318	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));	320	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
319	if (newcon != -1)	321	if (newcon != -1)
320	change_console(newcon);	322	change_console(newcon);
321	retval = 0;	323	retval = 0;
322	break;	324	break;
323	case KBD_MS_MOVE:	325	case KBD_MS_MOVE:
324	gcons_mouse_move(IPC_GET_ARG1(call),	326	gcons_mouse_move(IPC_GET_ARG1(call),
325	IPC_GET_ARG2(call));	327	IPC_GET_ARG2(call));
326	retval = 0;	328	retval = 0;
327	break;	329	break;
328	case KBD_PUSHCHAR:	330	case KBD_PUSHCHAR:
329	/* got key from keyboard driver */	331	/* got key from keyboard driver */
330		332
331	retval = 0;	333	retval = 0;
332	c = IPC_GET_ARG1(call);	334	c = IPC_GET_ARG1(call);
333	/* switch to another virtual console */	335	/* switch to another virtual console */
334		336
335	conn = &connections[active_console];	337	conn = &connections[active_console];
336	/*	338	/*
337	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +	339	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +
338	* CONSOLE_COUNT)) {	340	* CONSOLE_COUNT)) {
339	*/	341	*/
340	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {	342	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
341	if (c == 0x112)	343	if (c == 0x112)
342	change_console(KERNEL_CONSOLE);	344	change_console(KERNEL_CONSOLE);
343	else	345	else
344	change_console(c - 0x101);	346	change_console(c - 0x101);
345	break;	347	break;
346	}	348	}
347		349
348	/* if client is awaiting key, send it */	350	/* if client is awaiting key, send it */
349	if (conn->keyrequest_counter > 0) {	351	if (conn->keyrequest_counter > 0) {
350	conn->keyrequest_counter--;	352	conn->keyrequest_counter--;
351	ipc_answer_fast(fifo_pop(conn->keyrequests), 0,	353	ipc_answer_fast(fifo_pop(conn->keyrequests), 0,
352	c, 0);	354	c, 0);
353	break;	355	break;
354	}	356	}
355		357
356	keybuffer_push(&conn->keybuffer, c);	358	keybuffer_push(&conn->keybuffer, c);
357	retval = 0;	359	retval = 0;
358		360
359	break;	361	break;
360	default:	362	default:
361	retval = ENOENT;	363	retval = ENOENT;
362	}	364	}
363	ipc_answer_fast(callid, retval, 0, 0);	365	ipc_answer_fast(callid, retval, 0, 0);
364	}	366	}
365	}	367	}
366		368
367	/** Default thread for new connections */	369	/** Default thread for new connections */
368	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)	370	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
369	{	371	{
370	ipc_callid_t callid;	372	ipc_callid_t callid;
371	ipc_call_t call;	373	ipc_call_t call;
372	int consnum;	374	int consnum;
373	ipcarg_t arg1, arg2;	375	ipcarg_t arg1, arg2;
374	connection_t *conn;	376	connection_t *conn;
375		377
376	if ((consnum = find_free_connection()) == -1) {	378	if ((consnum = find_free_connection()) == -1) {
377	ipc_answer_fast(iid,ELIMIT,0,0);	379	ipc_answer_fast(iid,ELIMIT,0,0);
378	return;	380	return;
379	}	381	}
380	conn = &connections[consnum];	382	conn = &connections[consnum];
381	conn->used = 1;	383	conn->used = 1;
382		384
383	async_serialize_start();	385	async_serialize_start();
384	gcons_notify_connect(consnum);	386	gcons_notify_connect(consnum);
385	conn->client_phone = IPC_GET_ARG3(call);	387	conn->client_phone = IPC_GET_ARG3(call);
386	screenbuffer_clear(&conn->screenbuffer);	388	screenbuffer_clear(&conn->screenbuffer);
387		389
388	/* Accept the connection */	390	/* Accept the connection */
389	ipc_answer_fast(iid, 0, 0, 0);	391	ipc_answer_fast(iid, 0, 0, 0);
390		392
391	while (1) {	393	while (1) {
392	async_serialize_end();	394	async_serialize_end();
393	callid = async_get_call(&call);	395	callid = async_get_call(&call);
394	async_serialize_start();	396	async_serialize_start();
395		397
396	arg1 = arg2 = 0;	398	arg1 = arg2 = 0;
397	switch (IPC_GET_METHOD(call)) {	399	switch (IPC_GET_METHOD(call)) {
398	case IPC_M_PHONE_HUNGUP:	400	case IPC_M_PHONE_HUNGUP:
399	gcons_notify_disconnect(consnum);	401	gcons_notify_disconnect(consnum);
400		402
401	/* Answer all pending requests */	403	/* Answer all pending requests */
402	while (conn->keyrequest_counter > 0) {	404	while (conn->keyrequest_counter > 0) {
403	conn->keyrequest_counter--;	405	conn->keyrequest_counter--;
404	ipc_answer_fast(fifo_pop(conn->keyrequests),	406	ipc_answer_fast(fifo_pop(conn->keyrequests),
405	ENOENT, 0, 0);	407	ENOENT, 0, 0);
406	break;	408	break;
407	}	409	}
408	conn->used = 0;	410	conn->used = 0;
409	return;	411	return;
410	case CONSOLE_PUTCHAR:	412	case CONSOLE_PUTCHAR:
411	write_char(consnum, IPC_GET_ARG1(call));	413	write_char(consnum, IPC_GET_ARG1(call));
412	gcons_notify_char(consnum);	414	gcons_notify_char(consnum);
413	break;	415	break;
414	case CONSOLE_CLEAR:	416	case CONSOLE_CLEAR:
415	/* Send message to fb */	417	/* Send message to fb */
416	if (consnum == active_console) {	418	if (consnum == active_console) {
417	async_msg(fb_info.phone, FB_CLEAR, 0);	419	async_msg(fb_info.phone, FB_CLEAR, 0);
418	}	420	}
419		421
420	screenbuffer_clear(&conn->screenbuffer);	422	screenbuffer_clear(&conn->screenbuffer);
421		423
422	break;	424	break;
423	case CONSOLE_GOTO:	425	case CONSOLE_GOTO:
424	screenbuffer_goto(&conn->screenbuffer,	426	screenbuffer_goto(&conn->screenbuffer,
425	IPC_GET_ARG2(call), IPC_GET_ARG1(call));	427	IPC_GET_ARG2(call), IPC_GET_ARG1(call));
426	if (consnum == active_console)	428	if (consnum == active_console)
427	curs_goto(IPC_GET_ARG1(call),	429	curs_goto(IPC_GET_ARG1(call),
428	IPC_GET_ARG2(call));	430	IPC_GET_ARG2(call));
429	break;	431	break;
430	case CONSOLE_GETSIZE:	432	case CONSOLE_GETSIZE:
431	arg1 = fb_info.rows;	433	arg1 = fb_info.rows;
432	arg2 = fb_info.cols;	434	arg2 = fb_info.cols;
433	break;	435	break;
434	case CONSOLE_FLUSH:	436	case CONSOLE_FLUSH:
435	if (consnum == active_console)	437	if (consnum == active_console)
436	async_req_2(fb_info.phone, FB_FLUSH, 0, 0,	438	async_req_2(fb_info.phone, FB_FLUSH, 0, 0,
437	NULL, NULL);	439	NULL, NULL);
438	break;	440	break;
439	case CONSOLE_SET_STYLE:	441	case CONSOLE_SET_STYLE:
440	arg1 = IPC_GET_ARG1(call);	442	arg1 = IPC_GET_ARG1(call);
441	arg2 = IPC_GET_ARG2(call);	443	arg2 = IPC_GET_ARG2(call);
442	screenbuffer_set_style(&conn->screenbuffer, arg1, arg2);	444	screenbuffer_set_style(&conn->screenbuffer, arg1,
-		445	arg2);
443	if (consnum == active_console)	446	if (consnum == active_console)
444	set_style_col(arg1, arg2);	447	set_style_col(arg1, arg2);
445	break;	448	break;
446	case CONSOLE_CURSOR_VISIBILITY:	449	case CONSOLE_CURSOR_VISIBILITY:
447	arg1 = IPC_GET_ARG1(call);	450	arg1 = IPC_GET_ARG1(call);
448	conn->screenbuffer.is_cursor_visible = arg1;	451	conn->screenbuffer.is_cursor_visible = arg1;
449	if (consnum == active_console)	452	if (consnum == active_console)
450	curs_visibility(arg1);	453	curs_visibility(arg1);
451	break;	454	break;
452	case CONSOLE_GETCHAR:	455	case CONSOLE_GETCHAR:
453	if (keybuffer_empty(&conn->keybuffer)) {	456	if (keybuffer_empty(&conn->keybuffer)) {
454	/* buffer is empty -> store request */	457	/* buffer is empty -> store request */
455	if (conn->keyrequest_counter <	458	if (conn->keyrequest_counter <
456	MAX_KEYREQUESTS_BUFFERED) {	459	MAX_KEYREQUESTS_BUFFERED) {
457	fifo_push(conn->keyrequests, callid);	460	fifo_push(conn->keyrequests, callid);
458	conn->keyrequest_counter++;	461	conn->keyrequest_counter++;
459	} else {	462	} else {
460	/*	463	/*
461	* No key available and too many	464	* No key available and too many
462	* requests => fail.	465	* requests => fail.
463	*/	466	*/
464	ipc_answer_fast(callid, ELIMIT, 0, 0);	467	ipc_answer_fast(callid, ELIMIT, 0, 0);
465	}	468	}
466	continue;	469	continue;
467	}	470	}
468	keybuffer_pop(&conn->keybuffer, (int *) &arg1);	471	keybuffer_pop(&conn->keybuffer, (int *) &arg1);
469	break;	472	break;
470	}	473	}
471	ipc_answer_fast(callid, 0, arg1, arg2);	474	ipc_answer_fast(callid, 0, arg1, arg2);
472	}	475	}
473	}	476	}
474		477
475	int main(int argc, char *argv[])	478	int main(int argc, char *argv[])
476	{	479	{
477	ipcarg_t phonehash;	480	ipcarg_t phonehash;
478	int kbd_phone;	481	int kbd_phone;
479	int i;	482	int i;
480		483
481	async_set_client_connection(client_connection);	484	async_set_client_connection(client_connection);
482		485
483	/* Connect to keyboard driver */	486	/* Connect to keyboard driver */
484		487
485	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);	488	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
486	while (kbd_phone < 0) {	489	while (kbd_phone < 0) {
487	usleep(10000);	490	usleep(10000);
488	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);	491	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0);
489	}	492	}
490		493
491	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)
492	return -1;	495	return -1;
493	async_new_connection(phonehash, 0, NULL, keyboard_events);	496	async_new_connection(phonehash, 0, NULL, keyboard_events);
494		497
495	/* Connect to framebuffer driver */	498	/* Connect to framebuffer driver */
496		499

Subversion Repositories HelenOS

(root)/branches/sparc/uspace/srv/console/console.c @ 3745 – Rev 2479 → 2539