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 <ipc/console.h>
#include <unistd.h>
#include <async.h>
#include <libadt/fifo.h>
#include <screenbuffer.h>
#include <sys/mman.h>
#include <stdio.h>
 
#include "gcons.h"
 
#define MAX_KEYREQUESTS_BUFFERED 32
 
#define NAME "console"
 
/** Index of currently used virtual console.
 */
int active_console = 0;
 
/** Information about framebuffer
 */
struct {
    int phone;      /**< Framebuffer phone */
    ipcarg_t rows;      /**< Framebuffer rows */
    ipcarg_t cols;      /**< Framebuffer columns */
} fb_info;
 
typedef struct {
    keybuffer_t keybuffer;      /**< Buffer for incoming keys. */
    /** Buffer for unsatisfied request for keys. */
    FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
        MAX_KEYREQUESTS_BUFFERED); 
    int keyrequest_counter;     /**< Number of requests in buffer. */
    int client_phone;       /**< Phone to connected client. */
    int used;           /**< 1 if this virtual console is
                     * connected to some client.*/
    screenbuffer_t screenbuffer;    /**< Screenbuffer for saving screen
                     * contents and related settings. */
} connection_t;
 
static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
                         * consoles */
static keyfield_t *interbuffer = NULL;      /**< Pointer to memory shared
                         * with framebufer used for
                         * faster virtual console
                         * switching */
 
 
/** Find unused virtual console.
 *
 */
static int find_free_connection(void)
{
    int i;
   
    for (i = 0; i < CONSOLE_COUNT; i++) {
        if (!connections[i].used)
            return i;
    }
    return -1;
}
 
static void clrscr(void)
{
    async_msg_0(fb_info.phone, FB_CLEAR);
}
 
static void curs_visibility(bool visible)
{
    async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);
}
 
static void curs_hide_sync(void)
{
    ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);
}
 
static void curs_goto(int row, int col)
{
    async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
}
 
static void set_style(style_t *style)
{
    async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,
        style->bg_color);
}
 
static void set_style_col(int fgcolor, int bgcolor)
{
    async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
}
 
static void prtchr(char c, int row, int col)
{
    async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
}
 
/** Check key and process special keys.
 *
 *
 */
static void write_char(int console, char key)
{
    screenbuffer_t *scr = &(connections[console].screenbuffer);
   
    switch (key) {
    case '\n':
        scr->position_y++;
        scr->position_x = 0;
        break;
    case '\r':
        break;
    case '\t':
        scr->position_x += 8;
        scr->position_x -= scr->position_x % 8;
        break;
    case '\b':
        if (scr->position_x == 0)
            break;
        scr->position_x--;
        if (console == active_console)
            prtchr(' ', scr->position_y, scr->position_x);
        screenbuffer_putchar(scr, ' ');
        break;
    default:   
        if (console == active_console)
            prtchr(key, scr->position_y, scr->position_x);
 
        screenbuffer_putchar(scr, key);
        scr->position_x++;
    }
   
    scr->position_y += (scr->position_x >= scr->size_x);
   
    if (scr->position_y >= scr->size_y) {
        scr->position_y = scr->size_y - 1;
        screenbuffer_clear_line(scr, scr->top_line);
        scr->top_line = (scr->top_line + 1) % scr->size_y;
        if (console == active_console)
            async_msg_1(fb_info.phone, FB_SCROLL, 1);
    }
   
    scr->position_x = scr->position_x % scr->size_x;
   
    if (console == active_console)
        curs_goto(scr->position_y, scr->position_x);
   
}
 
/** Switch to new console */
static void change_console(int newcons)
{
    connection_t *conn;
    int i, j, rc;
    keyfield_t *field;
    style_t *style;
   
    if (newcons == active_console)
        return;
   
    if (newcons == KERNEL_CONSOLE) {
        async_serialize_start();
        curs_hide_sync();
        gcons_in_kernel();
        async_serialize_end();
       
        if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE))
            active_console = KERNEL_CONSOLE;
        else
            newcons = active_console;
    }
   
    if (newcons != KERNEL_CONSOLE) {
        async_serialize_start();
       
        if (active_console == KERNEL_CONSOLE)
            gcons_redraw_console();
       
        active_console = newcons;
        gcons_change_console(newcons);
        conn = &connections[active_console];
       
        set_style(&conn->screenbuffer.style);
        curs_visibility(false);
        if (interbuffer) {
            for (i = 0; i < conn->screenbuffer.size_x; i++)
                for (j = 0; j < conn->screenbuffer.size_y; j++) {
                    unsigned int size_x;
                   
                    size_x = conn->screenbuffer.size_x;
                    interbuffer[i + j * size_x] =
                        *get_field_at(&conn->screenbuffer, i, j);
                }
            /* This call can preempt, but we are already at the end */
            rc = async_req_0_0(fb_info.phone, FB_DRAW_TEXT_DATA);      
        }
       
        if ((!interbuffer) || (rc != 0)) {
            set_style(&conn->screenbuffer.style);
            clrscr();
            style = &conn->screenbuffer.style;
           
            for (j = 0; j < conn->screenbuffer.size_y; j++)
                for (i = 0; i < conn->screenbuffer.size_x; i++) {
                    field = get_field_at(&conn->screenbuffer, i, j);
                    if (!style_same(*style, field->style))
                        set_style(&field->style);
                    style = &field->style;
                    if ((field->character == ' ') &&
                        (style_same(field->style,
                        conn->screenbuffer.style)))
                        continue;
                   
                    prtchr(field->character, j, i);
                }
        }
       
        curs_goto(conn->screenbuffer.position_y,
            conn->screenbuffer.position_x);
        curs_visibility(conn->screenbuffer.is_cursor_visible);
       
        async_serialize_end();
    }
}
 
/** Handler for keyboard */
static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
{
    ipc_callid_t callid;
    ipc_call_t call;
    int retval;
    int c;
    connection_t *conn;
    int newcon;
   
    /* Ignore parameters, the connection is alread opened */
    while (1) {
        callid = async_get_call(&call);
        switch (IPC_GET_METHOD(call)) {
        case IPC_M_PHONE_HUNGUP:
            /* TODO: Handle hangup */
            return;
        case KBD_MS_LEFT:
            newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
            if (newcon != -1)
                change_console(newcon);
            retval = 0;
            break;
        case KBD_MS_MOVE:
            gcons_mouse_move(IPC_GET_ARG1(call),
                IPC_GET_ARG2(call));
            retval = 0;
            break;
        case KBD_PUSHCHAR:
            /* got key from keyboard driver */
            retval = 0;
            c = IPC_GET_ARG1(call);
            /* switch to another virtual console */
           
            conn = &connections[active_console];
/*
 *          if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +
 *              CONSOLE_COUNT)) {
 */
            if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
                if (c == 0x112)
                    change_console(KERNEL_CONSOLE);
                else
                    change_console(c - 0x101);
                break;
            }
           
            /* if client is awaiting key, send it */
            if (conn->keyrequest_counter > 0) {    
                conn->keyrequest_counter--;
                ipc_answer_1(fifo_pop(conn->keyrequests), EOK,
                    c);
                break;
            }
           
            keybuffer_push(&conn->keybuffer, c);
            retval = 0;
           
            break;
        default:
            retval = ENOENT;
        }
        ipc_answer_0(callid, retval);
    }
}
 
/** Default thread for new connections */
static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
{
    ipc_callid_t callid;
    ipc_call_t call;
    int consnum;
    ipcarg_t arg1, arg2;
    connection_t *conn;
 
    if ((consnum = find_free_connection()) == -1) {
        ipc_answer_0(iid, ELIMIT);
        return;
    }
    conn = &connections[consnum];
    conn->used = 1;
   
    async_serialize_start();
    gcons_notify_connect(consnum);
    conn->client_phone = IPC_GET_ARG5(*icall);
    screenbuffer_clear(&conn->screenbuffer);
   
    /* Accept the connection */
    ipc_answer_0(iid, EOK);
 
    while (1) {
        async_serialize_end();
        callid = async_get_call(&call);
        async_serialize_start();
 
        arg1 = 0;
        arg2 = 0;
        switch (IPC_GET_METHOD(call)) {
        case IPC_M_PHONE_HUNGUP:
            gcons_notify_disconnect(consnum);
           
            /* Answer all pending requests */
            while (conn->keyrequest_counter > 0) {     
                conn->keyrequest_counter--;
                ipc_answer_0(fifo_pop(conn->keyrequests),
                    ENOENT);
                break;
            }
            conn->used = 0;
            return;
        case CONSOLE_PUTCHAR:
            write_char(consnum, IPC_GET_ARG1(call));
            gcons_notify_char(consnum);
            break;
        case CONSOLE_CLEAR:
            /* Send message to fb */
            if (consnum == active_console) {
                async_msg_0(fb_info.phone, FB_CLEAR);
            }
           
            screenbuffer_clear(&conn->screenbuffer);
           
            break;
        case CONSOLE_GOTO:
            screenbuffer_goto(&conn->screenbuffer,
                IPC_GET_ARG2(call), IPC_GET_ARG1(call));
            if (consnum == active_console)
                curs_goto(IPC_GET_ARG1(call),
                    IPC_GET_ARG2(call));
            break;
        case CONSOLE_GETSIZE:
            arg1 = fb_info.rows;
            arg2 = fb_info.cols;
            break;
        case CONSOLE_FLUSH:
            if (consnum == active_console)
                async_req_0_0(fb_info.phone, FB_FLUSH);
            break;
        case CONSOLE_SET_STYLE:
            arg1 = IPC_GET_ARG1(call);
            arg2 = IPC_GET_ARG2(call);
            screenbuffer_set_style(&conn->screenbuffer, arg1,
                arg2);
            if (consnum == active_console)
                set_style_col(arg1, arg2);
            break;
        case CONSOLE_CURSOR_VISIBILITY:
            arg1 = IPC_GET_ARG1(call);
            conn->screenbuffer.is_cursor_visible = arg1;
            if (consnum == active_console)
                curs_visibility(arg1);
            break;
        case CONSOLE_GETCHAR:
            if (keybuffer_empty(&conn->keybuffer)) {
                /* buffer is empty -> store request */
                if (conn->keyrequest_counter <
                    MAX_KEYREQUESTS_BUFFERED) {
                    fifo_push(conn->keyrequests, callid);
                    conn->keyrequest_counter++;
                } else {
                    /*
                     * No key available and too many
                     * requests => fail.
                    */
                    ipc_answer_0(callid, ELIMIT);
                }
                continue;
            }
            int ch;
            keybuffer_pop(&conn->keybuffer, &ch);
            arg1 = ch;
            break;
        }
        ipc_answer_2(callid, EOK, arg1, arg2);
    }
}
 
int main(int argc, char *argv[])
{
    printf(NAME ": HelenOS Console service\n");
   
    ipcarg_t phonehash;
    int kbd_phone;
    int i;
 
    async_set_client_connection(client_connection);
   
    /* Connect to keyboard driver */
 
    kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
    while (kbd_phone < 0) {
        usleep(10000);
        kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
    }
   
    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0)
        return -1;
    async_new_connection(phonehash, 0, NULL, keyboard_events);
   
    /* Connect to framebuffer driver */
    fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0, 0);
    while (fb_info.phone < 0) {
        usleep(10000);
        fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0, 0);
    }
   
    /* Initialize gcons */
    gcons_init(fb_info.phone);
    /* Synchronize, the gcons can have something in queue */
    async_req_0_0(fb_info.phone, FB_FLUSH);
   
    async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.rows,
        &fb_info.cols);
    set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
    clrscr();
   
    /* Init virtual consoles */
    for (i = 0; i < CONSOLE_COUNT; i++) {
        connections[i].used = 0;
        keybuffer_init(&connections[i].keybuffer);
       
        connections[i].keyrequests.head = 0;
        connections[i].keyrequests.tail = 0;
        connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
        connections[i].keyrequest_counter = 0;
       
        if (screenbuffer_init(&connections[i].screenbuffer,
            fb_info.cols, fb_info.rows) == NULL) {
            /* FIXME: handle error */
            return -1;
        }
    }
    connections[KERNEL_CONSOLE].used = 1;
   
    interbuffer = mmap(NULL,
        sizeof(keyfield_t) * fb_info.cols * fb_info.rows,
        PROTO_READ | PROTO_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);
    if (!interbuffer) {
        if (ipc_share_out_start(fb_info.phone, interbuffer,
            AS_AREA_READ) != EOK) {
            munmap(interbuffer,
                sizeof(keyfield_t) * fb_info.cols * fb_info.rows);
            interbuffer = NULL;
        }
    }
 
    curs_goto(0, 0);
    curs_visibility(
        connections[active_console].screenbuffer.is_cursor_visible);
 
    /* Register at NS */
    if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, 0, &phonehash) != 0)
        return -1;
   
    // FIXME: avoid connectiong to itself, keep using klog
    // printf(NAME ": Accepting connections\n");
    async_manager();
 
    return 0;  
}
 
/** @}
 */
 

Rev 3735	Rev 3747
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 <ipc/console.h>
44	#include <unistd.h>	45	#include <unistd.h>
45	#include <async.h>	46	#include <async.h>
46	#include <libadt/fifo.h>	47	#include <libadt/fifo.h>
47	#include <screenbuffer.h>	48	#include <screenbuffer.h>
48	#include <sys/mman.h>	49	#include <sys/mman.h>
49	#include <stdio.h>	50	#include <stdio.h>
50		51
51	#include "gcons.h"	52	#include "gcons.h"
52		53
53	#define MAX_KEYREQUESTS_BUFFERED 32	54	#define MAX_KEYREQUESTS_BUFFERED 32
54		55
55	#define NAME "console"	56	#define NAME "console"
56		57
57	/** Index of currently used virtual console.	58	/** Index of currently used virtual console.
58	*/	59	*/
59	int active_console = 0;	60	int active_console = 0;
60		61
61	/** Information about framebuffer	62	/** Information about framebuffer
62	*/	63	*/
63	struct {	64	struct {
64	int phone; /*< Framebuffer phone /	65	int phone; /*< Framebuffer phone /
65	ipcarg_t rows; /*< Framebuffer rows /	66	ipcarg_t rows; /*< Framebuffer rows /
66	ipcarg_t cols; /*< Framebuffer columns /	67	ipcarg_t cols; /*< Framebuffer columns /
67	} fb_info;	68	} fb_info;
68		69
69	typedef struct {	70	typedef struct {
70	keybuffer_t keybuffer; /*< Buffer for incoming keys. /	71	keybuffer_t keybuffer; /*< Buffer for incoming keys. /
71	/** Buffer for unsatisfied request for keys. */	72	/** Buffer for unsatisfied request for keys. */
72	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,	73	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
73	MAX_KEYREQUESTS_BUFFERED);	74	MAX_KEYREQUESTS_BUFFERED);
74	int keyrequest_counter; /*< Number of requests in buffer. /	75	int keyrequest_counter; /*< Number of requests in buffer. /
75	int client_phone; /*< Phone to connected client. /	76	int client_phone; /*< Phone to connected client. /
76	int used; /**< 1 if this virtual console is	77	int used; /**< 1 if this virtual console is
77	* connected to some client.*/	78	* connected to some client.*/
78	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen	79	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen
79	* contents and related settings. */	80	* contents and related settings. */
80	} connection_t;	81	} connection_t;
81		82
82	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual	83	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
83	* consoles */	84	* consoles */
84	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared	85	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared
85	* with framebufer used for	86	* with framebufer used for
86	* faster virtual console	87	* faster virtual console
87	* switching */	88	* switching */
88		89
89		90
90	/** Find unused virtual console.	91	/** Find unused virtual console.
91	*	92	*
92	*/	93	*/
93	static int find_free_connection(void)	94	static int find_free_connection(void)
94	{	95	{
95	int i;	96	int i;
96		97
97	for (i = 0; i < CONSOLE_COUNT; i++) {	98	for (i = 0; i < CONSOLE_COUNT; i++) {
98	if (!connections[i].used)	99	if (!connections[i].used)
99	return i;	100	return i;
100	}	101	}
101	return -1;	102	return -1;
102	}	103	}
103		104
104	static void clrscr(void)	105	static void clrscr(void)
105	{	106	{
106	async_msg_0(fb_info.phone, FB_CLEAR);	107	async_msg_0(fb_info.phone, FB_CLEAR);
107	}	108	}
108		109
109	static void curs_visibility(bool visible)	110	static void curs_visibility(bool visible)
110	{	111	{
111	async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);	112	async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);
112	}	113	}
113		114
114	static void curs_hide_sync(void)	115	static void curs_hide_sync(void)
115	{	116	{
116	ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);	117	ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);
117	}	118	}
118		119
119	static void curs_goto(int row, int col)	120	static void curs_goto(int row, int col)
120	{	121	{
121	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);	122	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
122	}	123	}
123		124
124	static void set_style(style_t *style)	125	static void set_style(style_t *style)
125	{	126	{
126	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,	127	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,
127	style->bg_color);	128	style->bg_color);
128	}	129	}
129		130
130	static void set_style_col(int fgcolor, int bgcolor)	131	static void set_style_col(int fgcolor, int bgcolor)
131	{	132	{
132	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);	133	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
133	}	134	}
134		135
135	static void prtchr(char c, int row, int col)	136	static void prtchr(char c, int row, int col)
136	{	137	{
137	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);	138	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
138	}	139	}
139		140
140	/** Check key and process special keys.	141	/** Check key and process special keys.
141	*	142	*
142	*	143	*
143	*/	144	*/
144	static void write_char(int console, char key)	145	static void write_char(int console, char key)
145	{	146	{
146	screenbuffer_t *scr = &(connections[console].screenbuffer);	147	screenbuffer_t *scr = &(connections[console].screenbuffer);
147		148
148	switch (key) {	149	switch (key) {
149	case '\n':	150	case '\n':
150	scr->position_y++;	151	scr->position_y++;
151	scr->position_x = 0;	152	scr->position_x = 0;
152	break;	153	break;
153	case '\r':	154	case '\r':
154	break;	155	break;
155	case '\t':	156	case '\t':
156	scr->position_x += 8;	157	scr->position_x += 8;
157	scr->position_x -= scr->position_x % 8;	158	scr->position_x -= scr->position_x % 8;
158	break;	159	break;
159	case '\b':	160	case '\b':
160	if (scr->position_x == 0)	161	if (scr->position_x == 0)
161	break;	162	break;
162	scr->position_x--;	163	scr->position_x--;
163	if (console == active_console)	164	if (console == active_console)
164	prtchr(' ', scr->position_y, scr->position_x);	165	prtchr(' ', scr->position_y, scr->position_x);
165	screenbuffer_putchar(scr, ' ');	166	screenbuffer_putchar(scr, ' ');
166	break;	167	break;
167	default:	168	default:
168	if (console == active_console)	169	if (console == active_console)
169	prtchr(key, scr->position_y, scr->position_x);	170	prtchr(key, scr->position_y, scr->position_x);
170		171
171	screenbuffer_putchar(scr, key);	172	screenbuffer_putchar(scr, key);
172	scr->position_x++;	173	scr->position_x++;
173	}	174	}
174		175
175	scr->position_y += (scr->position_x >= scr->size_x);	176	scr->position_y += (scr->position_x >= scr->size_x);
176		177
177	if (scr->position_y >= scr->size_y) {	178	if (scr->position_y >= scr->size_y) {
178	scr->position_y = scr->size_y - 1;	179	scr->position_y = scr->size_y - 1;
179	screenbuffer_clear_line(scr, scr->top_line);	180	screenbuffer_clear_line(scr, scr->top_line);
180	scr->top_line = (scr->top_line + 1) % scr->size_y;	181	scr->top_line = (scr->top_line + 1) % scr->size_y;
181	if (console == active_console)	182	if (console == active_console)
182	async_msg_1(fb_info.phone, FB_SCROLL, 1);	183	async_msg_1(fb_info.phone, FB_SCROLL, 1);
183	}	184	}
184		185
185	scr->position_x = scr->position_x % scr->size_x;	186	scr->position_x = scr->position_x % scr->size_x;
186		187
187	if (console == active_console)	188	if (console == active_console)
188	curs_goto(scr->position_y, scr->position_x);	189	curs_goto(scr->position_y, scr->position_x);
189		190
190	}	191	}
191		192
192	/** Switch to new console */	193	/** Switch to new console */
193	static void change_console(int newcons)	194	static void change_console(int newcons)
194	{	195	{
195	connection_t *conn;	196	connection_t *conn;
196	int i, j, rc;	197	int i, j, rc;
197	keyfield_t *field;	198	keyfield_t *field;
198	style_t *style;	199	style_t *style;
199		200
200	if (newcons == active_console)	201	if (newcons == active_console)
201	return;	202	return;
202		203
203	if (newcons == KERNEL_CONSOLE) {	204	if (newcons == KERNEL_CONSOLE) {
204	async_serialize_start();	205	async_serialize_start();
205	curs_hide_sync();	206	curs_hide_sync();
206	gcons_in_kernel();	207	gcons_in_kernel();
207	async_serialize_end();	208	async_serialize_end();
208		209
209	if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE))	210	if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE))
210	active_console = KERNEL_CONSOLE;	211	active_console = KERNEL_CONSOLE;
211	else	212	else
212	newcons = active_console;	213	newcons = active_console;
213	}	214	}
214		215
215	if (newcons != KERNEL_CONSOLE) {	216	if (newcons != KERNEL_CONSOLE) {
216	async_serialize_start();	217	async_serialize_start();
217		218
218	if (active_console == KERNEL_CONSOLE)	219	if (active_console == KERNEL_CONSOLE)
219	gcons_redraw_console();	220	gcons_redraw_console();
220		221
221	active_console = newcons;	222	active_console = newcons;
222	gcons_change_console(newcons);	223	gcons_change_console(newcons);
223	conn = &connections[active_console];	224	conn = &connections[active_console];
224		225
225	set_style(&conn->screenbuffer.style);	226	set_style(&conn->screenbuffer.style);
226	curs_visibility(false);	227	curs_visibility(false);
227	if (interbuffer) {	228	if (interbuffer) {
228	for (i = 0; i < conn->screenbuffer.size_x; i++)	229	for (i = 0; i < conn->screenbuffer.size_x; i++)
229	for (j = 0; j < conn->screenbuffer.size_y; j++) {	230	for (j = 0; j < conn->screenbuffer.size_y; j++) {
230	unsigned int size_x;	231	unsigned int size_x;
231		232
232	size_x = conn->screenbuffer.size_x;	233	size_x = conn->screenbuffer.size_x;
233	interbuffer[i + j * size_x] =	234	interbuffer[i + j * size_x] =
234	*get_field_at(&conn->screenbuffer, i, j);	235	*get_field_at(&conn->screenbuffer, i, j);
235	}	236	}
236	/* This call can preempt, but we are already at the end */	237	/* This call can preempt, but we are already at the end */
237	rc = async_req_0_0(fb_info.phone, FB_DRAW_TEXT_DATA);	238	rc = async_req_0_0(fb_info.phone, FB_DRAW_TEXT_DATA);
238	}	239	}
239		240
240	if ((!interbuffer) \|\| (rc != 0)) {	241	if ((!interbuffer) \|\| (rc != 0)) {
241	set_style(&conn->screenbuffer.style);	242	set_style(&conn->screenbuffer.style);
242	clrscr();	243	clrscr();
243	style = &conn->screenbuffer.style;	244	style = &conn->screenbuffer.style;
244		245
245	for (j = 0; j < conn->screenbuffer.size_y; j++)	246	for (j = 0; j < conn->screenbuffer.size_y; j++)
246	for (i = 0; i < conn->screenbuffer.size_x; i++) {	247	for (i = 0; i < conn->screenbuffer.size_x; i++) {
247	field = get_field_at(&conn->screenbuffer, i, j);	248	field = get_field_at(&conn->screenbuffer, i, j);
248	if (!style_same(*style, field->style))	249	if (!style_same(*style, field->style))
249	set_style(&field->style);	250	set_style(&field->style);
250	style = &field->style;	251	style = &field->style;
251	if ((field->character == ' ') &&	252	if ((field->character == ' ') &&
252	(style_same(field->style,	253	(style_same(field->style,
253	conn->screenbuffer.style)))	254	conn->screenbuffer.style)))
254	continue;	255	continue;
255		256
256	prtchr(field->character, j, i);	257	prtchr(field->character, j, i);
257	}	258	}
258	}	259	}
259		260
260	curs_goto(conn->screenbuffer.position_y,	261	curs_goto(conn->screenbuffer.position_y,
261	conn->screenbuffer.position_x);	262	conn->screenbuffer.position_x);
262	curs_visibility(conn->screenbuffer.is_cursor_visible);	263	curs_visibility(conn->screenbuffer.is_cursor_visible);
263		264
264	async_serialize_end();	265	async_serialize_end();
265	}	266	}
266	}	267	}
267		268
268	/** Handler for keyboard */	269	/** Handler for keyboard */
269	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)	270	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
270	{	271	{
271	ipc_callid_t callid;	272	ipc_callid_t callid;
272	ipc_call_t call;	273	ipc_call_t call;
273	int retval;	274	int retval;
274	int c;	275	int c;
275	connection_t *conn;	276	connection_t *conn;
276	int newcon;	277	int newcon;
277		278
278	/* Ignore parameters, the connection is alread opened */	279	/* Ignore parameters, the connection is alread opened */
279	while (1) {	280	while (1) {
280	callid = async_get_call(&call);	281	callid = async_get_call(&call);
281	switch (IPC_GET_METHOD(call)) {	282	switch (IPC_GET_METHOD(call)) {
282	case IPC_M_PHONE_HUNGUP:	283	case IPC_M_PHONE_HUNGUP:
283	/* TODO: Handle hangup */	284	/* TODO: Handle hangup */
284	return;	285	return;
285	case KBD_MS_LEFT:	286	case KBD_MS_LEFT:
286	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));	287	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
287	if (newcon != -1)	288	if (newcon != -1)
288	change_console(newcon);	289	change_console(newcon);
289	retval = 0;	290	retval = 0;
290	break;	291	break;
291	case KBD_MS_MOVE:	292	case KBD_MS_MOVE:
292	gcons_mouse_move(IPC_GET_ARG1(call),	293	gcons_mouse_move(IPC_GET_ARG1(call),
293	IPC_GET_ARG2(call));	294	IPC_GET_ARG2(call));
294	retval = 0;	295	retval = 0;
295	break;	296	break;
296	case KBD_PUSHCHAR:	297	case KBD_PUSHCHAR:
297	/* got key from keyboard driver */	298	/* got key from keyboard driver */
298	retval = 0;	299	retval = 0;
299	c = IPC_GET_ARG1(call);	300	c = IPC_GET_ARG1(call);
300	/* switch to another virtual console */	301	/* switch to another virtual console */
301		302
302	conn = &connections[active_console];	303	conn = &connections[active_console];
303	/*	304	/*
304	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +	305	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +
305	* CONSOLE_COUNT)) {	306	* CONSOLE_COUNT)) {
306	*/	307	*/
307	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {	308	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
308	if (c == 0x112)	309	if (c == 0x112)
309	change_console(KERNEL_CONSOLE);	310	change_console(KERNEL_CONSOLE);
310	else	311	else
311	change_console(c - 0x101);	312	change_console(c - 0x101);
312	break;	313	break;
313	}	314	}
314		315
315	/* if client is awaiting key, send it */	316	/* if client is awaiting key, send it */
316	if (conn->keyrequest_counter > 0) {	317	if (conn->keyrequest_counter > 0) {
317	conn->keyrequest_counter--;	318	conn->keyrequest_counter--;
318	ipc_answer_1(fifo_pop(conn->keyrequests), EOK,	319	ipc_answer_1(fifo_pop(conn->keyrequests), EOK,
319	c);	320	c);
320	break;	321	break;
321	}	322	}
322		323
323	keybuffer_push(&conn->keybuffer, c);	324	keybuffer_push(&conn->keybuffer, c);
324	retval = 0;	325	retval = 0;
325		326
326	break;	327	break;
327	default:	328	default:
328	retval = ENOENT;	329	retval = ENOENT;
329	}	330	}
330	ipc_answer_0(callid, retval);	331	ipc_answer_0(callid, retval);
331	}	332	}
332	}	333	}
333		334
334	/** Default thread for new connections */	335	/** Default thread for new connections */
335	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)	336	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
336	{	337	{
337	ipc_callid_t callid;	338	ipc_callid_t callid;
338	ipc_call_t call;	339	ipc_call_t call;
339	int consnum;	340	int consnum;
340	ipcarg_t arg1, arg2;	341	ipcarg_t arg1, arg2;
341	connection_t *conn;	342	connection_t *conn;
342		343
343	if ((consnum = find_free_connection()) == -1) {	344	if ((consnum = find_free_connection()) == -1) {
344	ipc_answer_0(iid, ELIMIT);	345	ipc_answer_0(iid, ELIMIT);
345	return;	346	return;
346	}	347	}
347	conn = &connections[consnum];	348	conn = &connections[consnum];
348	conn->used = 1;	349	conn->used = 1;
349		350
350	async_serialize_start();	351	async_serialize_start();
351	gcons_notify_connect(consnum);	352	gcons_notify_connect(consnum);
352	conn->client_phone = IPC_GET_ARG5(*icall);	353	conn->client_phone = IPC_GET_ARG5(*icall);
353	screenbuffer_clear(&conn->screenbuffer);	354	screenbuffer_clear(&conn->screenbuffer);
354		355
355	/* Accept the connection */	356	/* Accept the connection */
356	ipc_answer_0(iid, EOK);	357	ipc_answer_0(iid, EOK);
357		358
358	while (1) {	359	while (1) {
359	async_serialize_end();	360	async_serialize_end();
360	callid = async_get_call(&call);	361	callid = async_get_call(&call);
361	async_serialize_start();	362	async_serialize_start();
362		363
363	arg1 = 0;	364	arg1 = 0;
364	arg2 = 0;	365	arg2 = 0;
365	switch (IPC_GET_METHOD(call)) {	366	switch (IPC_GET_METHOD(call)) {
366	case IPC_M_PHONE_HUNGUP:	367	case IPC_M_PHONE_HUNGUP:
367	gcons_notify_disconnect(consnum);	368	gcons_notify_disconnect(consnum);
368		369
369	/* Answer all pending requests */	370	/* Answer all pending requests */
370	while (conn->keyrequest_counter > 0) {	371	while (conn->keyrequest_counter > 0) {
371	conn->keyrequest_counter--;	372	conn->keyrequest_counter--;
372	ipc_answer_0(fifo_pop(conn->keyrequests),	373	ipc_answer_0(fifo_pop(conn->keyrequests),
373	ENOENT);	374	ENOENT);
374	break;	375	break;
375	}	376	}
376	conn->used = 0;	377	conn->used = 0;
377	return;	378	return;
378	case CONSOLE_PUTCHAR:	379	case CONSOLE_PUTCHAR:
379	write_char(consnum, IPC_GET_ARG1(call));	380	write_char(consnum, IPC_GET_ARG1(call));
380	gcons_notify_char(consnum);	381	gcons_notify_char(consnum);
381	break;	382	break;
382	case CONSOLE_CLEAR:	383	case CONSOLE_CLEAR:
383	/* Send message to fb */	384	/* Send message to fb */
384	if (consnum == active_console) {	385	if (consnum == active_console) {
385	async_msg_0(fb_info.phone, FB_CLEAR);	386	async_msg_0(fb_info.phone, FB_CLEAR);
386	}	387	}
387		388
388	screenbuffer_clear(&conn->screenbuffer);	389	screenbuffer_clear(&conn->screenbuffer);
389		390
390	break;	391	break;
391	case CONSOLE_GOTO:	392	case CONSOLE_GOTO:
392	screenbuffer_goto(&conn->screenbuffer,	393	screenbuffer_goto(&conn->screenbuffer,
393	IPC_GET_ARG2(call), IPC_GET_ARG1(call));	394	IPC_GET_ARG2(call), IPC_GET_ARG1(call));
394	if (consnum == active_console)	395	if (consnum == active_console)
395	curs_goto(IPC_GET_ARG1(call),	396	curs_goto(IPC_GET_ARG1(call),
396	IPC_GET_ARG2(call));	397	IPC_GET_ARG2(call));
397	break;	398	break;
398	case CONSOLE_GETSIZE:	399	case CONSOLE_GETSIZE:
399	arg1 = fb_info.rows;	400	arg1 = fb_info.rows;
400	arg2 = fb_info.cols;	401	arg2 = fb_info.cols;
401	break;	402	break;
402	case CONSOLE_FLUSH:	403	case CONSOLE_FLUSH:
403	if (consnum == active_console)	404	if (consnum == active_console)
404	async_req_0_0(fb_info.phone, FB_FLUSH);	405	async_req_0_0(fb_info.phone, FB_FLUSH);
405	break;	406	break;
406	case CONSOLE_SET_STYLE:	407	case CONSOLE_SET_STYLE:
407	arg1 = IPC_GET_ARG1(call);	408	arg1 = IPC_GET_ARG1(call);
408	arg2 = IPC_GET_ARG2(call);	409	arg2 = IPC_GET_ARG2(call);
409	screenbuffer_set_style(&conn->screenbuffer, arg1,	410	screenbuffer_set_style(&conn->screenbuffer, arg1,
410	arg2);	411	arg2);
411	if (consnum == active_console)	412	if (consnum == active_console)
412	set_style_col(arg1, arg2);	413	set_style_col(arg1, arg2);
413	break;	414	break;
414	case CONSOLE_CURSOR_VISIBILITY:	415	case CONSOLE_CURSOR_VISIBILITY:
415	arg1 = IPC_GET_ARG1(call);	416	arg1 = IPC_GET_ARG1(call);
416	conn->screenbuffer.is_cursor_visible = arg1;	417	conn->screenbuffer.is_cursor_visible = arg1;
417	if (consnum == active_console)	418	if (consnum == active_console)
418	curs_visibility(arg1);	419	curs_visibility(arg1);
419	break;	420	break;
420	case CONSOLE_GETCHAR:	421	case CONSOLE_GETCHAR:
421	if (keybuffer_empty(&conn->keybuffer)) {	422	if (keybuffer_empty(&conn->keybuffer)) {
422	/* buffer is empty -> store request */	423	/* buffer is empty -> store request */
423	if (conn->keyrequest_counter <	424	if (conn->keyrequest_counter <
424	MAX_KEYREQUESTS_BUFFERED) {	425	MAX_KEYREQUESTS_BUFFERED) {
425	fifo_push(conn->keyrequests, callid);	426	fifo_push(conn->keyrequests, callid);
426	conn->keyrequest_counter++;	427	conn->keyrequest_counter++;
427	} else {	428	} else {
428	/*	429	/*
429	* No key available and too many	430	* No key available and too many
430	* requests => fail.	431	* requests => fail.
431	*/	432	*/
432	ipc_answer_0(callid, ELIMIT);	433	ipc_answer_0(callid, ELIMIT);
433	}	434	}
434	continue;	435	continue;
435	}	436	}
436	int ch;	437	int ch;
437	keybuffer_pop(&conn->keybuffer, &ch);	438	keybuffer_pop(&conn->keybuffer, &ch);
438	arg1 = ch;	439	arg1 = ch;
439	break;	440	break;
440	}	441	}
441	ipc_answer_2(callid, EOK, arg1, arg2);	442	ipc_answer_2(callid, EOK, arg1, arg2);
442	}	443	}
443	}	444	}
444		445
445	int main(int argc, char *argv[])	446	int main(int argc, char *argv[])
446	{	447	{
447	printf(NAME ": HelenOS Console service\n");	448	printf(NAME ": HelenOS Console service\n");
448		449
449	ipcarg_t phonehash;	450	ipcarg_t phonehash;
450	int kbd_phone;	451	int kbd_phone;
451	int i;	452	int i;
452		453
453	async_set_client_connection(client_connection);	454	async_set_client_connection(client_connection);
454		455
455	/* Connect to keyboard driver */	456	/* Connect to keyboard driver */
456		457
457	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);	458	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
458	while (kbd_phone < 0) {	459	while (kbd_phone < 0) {
459	usleep(10000);	460	usleep(10000);
460	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);	461	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
461	}	462	}
462		463
463	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0)	464	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0)
464	return -1;	465	return -1;
465	async_new_connection(phonehash, 0, NULL, keyboard_events);	466	async_new_connection(phonehash, 0, NULL, keyboard_events);
466		467
467	/* Connect to framebuffer driver */	468	/* Connect to framebuffer driver */
468	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0, 0);	469	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0, 0);
469	while (fb_info.phone < 0) {	470	while (fb_info.phone < 0) {
470	usleep(10000);	471	usleep(10000);
471	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0, 0);	472	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0, 0);
472	}	473	}
473		474
474	/* Initialize gcons */	475	/* Initialize gcons */
475	gcons_init(fb_info.phone);	476	gcons_init(fb_info.phone);
476	/* Synchronize, the gcons can have something in queue */	477	/* Synchronize, the gcons can have something in queue */
477	async_req_0_0(fb_info.phone, FB_FLUSH);	478	async_req_0_0(fb_info.phone, FB_FLUSH);
478		479
479	async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.rows,	480	async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.rows,
480	&fb_info.cols);	481	&fb_info.cols);
481	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);	482	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
482	clrscr();	483	clrscr();
483		484
484	/* Init virtual consoles */	485	/* Init virtual consoles */
485	for (i = 0; i < CONSOLE_COUNT; i++) {	486	for (i = 0; i < CONSOLE_COUNT; i++) {
486	connections[i].used = 0;	487	connections[i].used = 0;
487	keybuffer_init(&connections[i].keybuffer);	488	keybuffer_init(&connections[i].keybuffer);
488		489
489	connections[i].keyrequests.head = 0;	490	connections[i].keyrequests.head = 0;
490	connections[i].keyrequests.tail = 0;	491	connections[i].keyrequests.tail = 0;
491	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;	492	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
492	connections[i].keyrequest_counter = 0;	493	connections[i].keyrequest_counter = 0;
493		494
494	if (screenbuffer_init(&connections[i].screenbuffer,	495	if (screenbuffer_init(&connections[i].screenbuffer,
495	fb_info.cols, fb_info.rows) == NULL) {	496	fb_info.cols, fb_info.rows) == NULL) {
496	/* FIXME: handle error */	497	/* FIXME: handle error */
497	return -1;	498	return -1;
498	}	499	}
499	}	500	}

Subversion Repositories HelenOS

(root)/trunk/uspace/srv/console/console.c – Rev 3735 → 3747