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 <sysinfo.h>
 
#include "gcons.h"
 
#define MAX_KEYREQUESTS_BUFFERED 32
 
#define NAME "console"
 
/** Index of currently used virtual console.
 */
int active_console = 0;
int prev_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)) {
            prev_console = active_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);
    }
}
 
static void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
{
    change_console(prev_console);
}
 
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;
   
    /* Receive kernel notifications */
    if (sysinfo_value("kconsole.present")) {
        int devno = sysinfo_value("kconsole.devno");
        int inr = sysinfo_value("kconsole.inr");
        if (ipc_register_irq(inr, devno, 0, NULL) != EOK)
            printf(NAME ": Error registering kconsole notifications\n");
       
        async_set_interrupt_received(interrupt_received);
    }
   
    // FIXME: avoid connectiong to itself, keep using klog
    // printf(NAME ": Accepting connections\n");
    async_manager();
   
    return 0;
}
 
/** @}
 */
 

Rev 3747	Rev 3761
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 <ipc/console.h>
45	#include <unistd.h>	45	#include <unistd.h>
46	#include <async.h>	46	#include <async.h>
47	#include <libadt/fifo.h>	47	#include <libadt/fifo.h>
48	#include <screenbuffer.h>	48	#include <screenbuffer.h>
49	#include <sys/mman.h>	49	#include <sys/mman.h>
50	#include <stdio.h>	50	#include <stdio.h>
-		51	#include <sysinfo.h>
51		52
52	#include "gcons.h"	53	#include "gcons.h"
53		54
54	#define MAX_KEYREQUESTS_BUFFERED 32	55	#define MAX_KEYREQUESTS_BUFFERED 32
55		56
56	#define NAME "console"	57	#define NAME "console"
57		58
58	/** Index of currently used virtual console.	59	/** Index of currently used virtual console.
59	*/	60	*/
60	int active_console = 0;	61	int active_console = 0;
-		62	int prev_console = 0;
61		63
62	/** Information about framebuffer	64	/** Information about framebuffer
63	*/	65	*/
64	struct {	66	struct {
65	int phone; /*< Framebuffer phone /	67	int phone; /*< Framebuffer phone /
66	ipcarg_t rows; /*< Framebuffer rows /	68	ipcarg_t rows; /*< Framebuffer rows /
67	ipcarg_t cols; /*< Framebuffer columns /	69	ipcarg_t cols; /*< Framebuffer columns /
68	} fb_info;	70	} fb_info;
69		71
70	typedef struct {	72	typedef struct {
71	keybuffer_t keybuffer; /*< Buffer for incoming keys. /	73	keybuffer_t keybuffer; /*< Buffer for incoming keys. /
72	/** Buffer for unsatisfied request for keys. */	74	/** Buffer for unsatisfied request for keys. */
73	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,	75	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
74	MAX_KEYREQUESTS_BUFFERED);	76	MAX_KEYREQUESTS_BUFFERED);
75	int keyrequest_counter; /*< Number of requests in buffer. /	77	int keyrequest_counter; /*< Number of requests in buffer. /
76	int client_phone; /*< Phone to connected client. /	78	int client_phone; /*< Phone to connected client. /
77	int used; /**< 1 if this virtual console is	79	int used; /**< 1 if this virtual console is
78	* connected to some client.*/	80	* connected to some client.*/
79	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen	81	screenbuffer_t screenbuffer; /**< Screenbuffer for saving screen
80	* contents and related settings. */	82	* contents and related settings. */
81	} connection_t;	83	} connection_t;
82		84
83	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual	85	static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
84	* consoles */	86	* consoles */
85	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared	87	static keyfield_t interbuffer = NULL; /*< Pointer to memory shared
86	* with framebufer used for	88	* with framebufer used for
87	* faster virtual console	89	* faster virtual console
88	* switching */	90	* switching */
89		91
90		92
91	/** Find unused virtual console.	93	/** Find unused virtual console.
92	*	94	*
93	*/	95	*/
94	static int find_free_connection(void)	96	static int find_free_connection(void)
95	{	97	{
96	int i;	98	int i;
97		99
98	for (i = 0; i < CONSOLE_COUNT; i++) {	100	for (i = 0; i < CONSOLE_COUNT; i++) {
99	if (!connections[i].used)	101	if (!connections[i].used)
100	return i;	102	return i;
101	}	103	}
102	return -1;	104	return -1;
103	}	105	}
104		106
105	static void clrscr(void)	107	static void clrscr(void)
106	{	108	{
107	async_msg_0(fb_info.phone, FB_CLEAR);	109	async_msg_0(fb_info.phone, FB_CLEAR);
108	}	110	}
109		111
110	static void curs_visibility(bool visible)	112	static void curs_visibility(bool visible)
111	{	113	{
112	async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);	114	async_msg_1(fb_info.phone, FB_CURSOR_VISIBILITY, visible);
113	}	115	}
114		116
115	static void curs_hide_sync(void)	117	static void curs_hide_sync(void)
116	{	118	{
117	ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);	119	ipc_call_sync_1_0(fb_info.phone, FB_CURSOR_VISIBILITY, false);
118	}	120	}
119		121
120	static void curs_goto(int row, int col)	122	static void curs_goto(int row, int col)
121	{	123	{
122	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);	124	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
123	}	125	}
124		126
125	static void set_style(style_t *style)	127	static void set_style(style_t *style)
126	{	128	{
127	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,	129	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,
128	style->bg_color);	130	style->bg_color);
129	}	131	}
130		132
131	static void set_style_col(int fgcolor, int bgcolor)	133	static void set_style_col(int fgcolor, int bgcolor)
132	{	134	{
133	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);	135	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
134	}	136	}
135		137
136	static void prtchr(char c, int row, int col)	138	static void prtchr(char c, int row, int col)
137	{	139	{
138	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);	140	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
139	}	141	}
140		142
141	/** Check key and process special keys.	143	/** Check key and process special keys.
142	*	144	*
143	*	145	*
144	*/	146	*/
145	static void write_char(int console, char key)	147	static void write_char(int console, char key)
146	{	148	{
147	screenbuffer_t *scr = &(connections[console].screenbuffer);	149	screenbuffer_t *scr = &(connections[console].screenbuffer);
148		150
149	switch (key) {	151	switch (key) {
150	case '\n':	152	case '\n':
151	scr->position_y++;	153	scr->position_y++;
152	scr->position_x = 0;	154	scr->position_x = 0;
153	break;	155	break;
154	case '\r':	156	case '\r':
155	break;	157	break;
156	case '\t':	158	case '\t':
157	scr->position_x += 8;	159	scr->position_x += 8;
158	scr->position_x -= scr->position_x % 8;	160	scr->position_x -= scr->position_x % 8;
159	break;	161	break;
160	case '\b':	162	case '\b':
161	if (scr->position_x == 0)	163	if (scr->position_x == 0)
162	break;	164	break;
163	scr->position_x--;	165	scr->position_x--;
164	if (console == active_console)	166	if (console == active_console)
165	prtchr(' ', scr->position_y, scr->position_x);	167	prtchr(' ', scr->position_y, scr->position_x);
166	screenbuffer_putchar(scr, ' ');	168	screenbuffer_putchar(scr, ' ');
167	break;	169	break;
168	default:	170	default:
169	if (console == active_console)	171	if (console == active_console)
170	prtchr(key, scr->position_y, scr->position_x);	172	prtchr(key, scr->position_y, scr->position_x);
171		173
172	screenbuffer_putchar(scr, key);	174	screenbuffer_putchar(scr, key);
173	scr->position_x++;	175	scr->position_x++;
174	}	176	}
175		177
176	scr->position_y += (scr->position_x >= scr->size_x);	178	scr->position_y += (scr->position_x >= scr->size_x);
177		179
178	if (scr->position_y >= scr->size_y) {	180	if (scr->position_y >= scr->size_y) {
179	scr->position_y = scr->size_y - 1;	181	scr->position_y = scr->size_y - 1;
180	screenbuffer_clear_line(scr, scr->top_line);	182	screenbuffer_clear_line(scr, scr->top_line);
181	scr->top_line = (scr->top_line + 1) % scr->size_y;	183	scr->top_line = (scr->top_line + 1) % scr->size_y;
182	if (console == active_console)	184	if (console == active_console)
183	async_msg_1(fb_info.phone, FB_SCROLL, 1);	185	async_msg_1(fb_info.phone, FB_SCROLL, 1);
184	}	186	}
185		187
186	scr->position_x = scr->position_x % scr->size_x;	188	scr->position_x = scr->position_x % scr->size_x;
187		189
188	if (console == active_console)	190	if (console == active_console)
189	curs_goto(scr->position_y, scr->position_x);	191	curs_goto(scr->position_y, scr->position_x);
190		192
191	}	193	}
192		194
193	/** Switch to new console */	195	/** Switch to new console */
194	static void change_console(int newcons)	196	static void change_console(int newcons)
195	{	197	{
196	connection_t *conn;	198	connection_t *conn;
197	int i, j, rc;	199	int i, j, rc;
198	keyfield_t *field;	200	keyfield_t *field;
199	style_t *style;	201	style_t *style;
200		202
201	if (newcons == active_console)	203	if (newcons == active_console)
202	return;	204	return;
203		205
204	if (newcons == KERNEL_CONSOLE) {	206	if (newcons == KERNEL_CONSOLE) {
205	async_serialize_start();	207	async_serialize_start();
206	curs_hide_sync();	208	curs_hide_sync();
207	gcons_in_kernel();	209	gcons_in_kernel();
208	async_serialize_end();	210	async_serialize_end();
209		211
210	if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE))	212	if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) {
-		213	prev_console = active_console;
211	active_console = KERNEL_CONSOLE;	214	active_console = KERNEL_CONSOLE;
212	else	215	} else
213	newcons = active_console;	216	newcons = active_console;
214	}	217	}
215		218
216	if (newcons != KERNEL_CONSOLE) {	219	if (newcons != KERNEL_CONSOLE) {
217	async_serialize_start();	220	async_serialize_start();
218		221
219	if (active_console == KERNEL_CONSOLE)	222	if (active_console == KERNEL_CONSOLE)
220	gcons_redraw_console();	223	gcons_redraw_console();
221		224
222	active_console = newcons;	225	active_console = newcons;
223	gcons_change_console(newcons);	226	gcons_change_console(newcons);
224	conn = &connections[active_console];	227	conn = &connections[active_console];
225		228
226	set_style(&conn->screenbuffer.style);	229	set_style(&conn->screenbuffer.style);
227	curs_visibility(false);	230	curs_visibility(false);
228	if (interbuffer) {	231	if (interbuffer) {
229	for (i = 0; i < conn->screenbuffer.size_x; i++)	232	for (i = 0; i < conn->screenbuffer.size_x; i++)
230	for (j = 0; j < conn->screenbuffer.size_y; j++) {	233	for (j = 0; j < conn->screenbuffer.size_y; j++) {
231	unsigned int size_x;	234	unsigned int size_x;
232		235
233	size_x = conn->screenbuffer.size_x;	236	size_x = conn->screenbuffer.size_x;
234	interbuffer[i + j * size_x] =	237	interbuffer[i + j * size_x] =
235	*get_field_at(&conn->screenbuffer, i, j);	238	*get_field_at(&conn->screenbuffer, i, j);
236	}	239	}
237	/* This call can preempt, but we are already at the end */	240	/* This call can preempt, but we are already at the end */
238	rc = async_req_0_0(fb_info.phone, FB_DRAW_TEXT_DATA);	241	rc = async_req_0_0(fb_info.phone, FB_DRAW_TEXT_DATA);
239	}	242	}
240		243
241	if ((!interbuffer) \|\| (rc != 0)) {	244	if ((!interbuffer) \|\| (rc != 0)) {
242	set_style(&conn->screenbuffer.style);	245	set_style(&conn->screenbuffer.style);
243	clrscr();	246	clrscr();
244	style = &conn->screenbuffer.style;	247	style = &conn->screenbuffer.style;
245		248
246	for (j = 0; j < conn->screenbuffer.size_y; j++)	249	for (j = 0; j < conn->screenbuffer.size_y; j++)
247	for (i = 0; i < conn->screenbuffer.size_x; i++) {	250	for (i = 0; i < conn->screenbuffer.size_x; i++) {
248	field = get_field_at(&conn->screenbuffer, i, j);	251	field = get_field_at(&conn->screenbuffer, i, j);
249	if (!style_same(*style, field->style))	252	if (!style_same(*style, field->style))
250	set_style(&field->style);	253	set_style(&field->style);
251	style = &field->style;	254	style = &field->style;
252	if ((field->character == ' ') &&	255	if ((field->character == ' ') &&
253	(style_same(field->style,	256	(style_same(field->style,
254	conn->screenbuffer.style)))	257	conn->screenbuffer.style)))
255	continue;	258	continue;
256		259
257	prtchr(field->character, j, i);	260	prtchr(field->character, j, i);
258	}	261	}
259	}	262	}
260		263
261	curs_goto(conn->screenbuffer.position_y,	264	curs_goto(conn->screenbuffer.position_y,
262	conn->screenbuffer.position_x);	265	conn->screenbuffer.position_x);
263	curs_visibility(conn->screenbuffer.is_cursor_visible);	266	curs_visibility(conn->screenbuffer.is_cursor_visible);
264		267
265	async_serialize_end();	268	async_serialize_end();
266	}	269	}
267	}	270	}
268		271
269	/** Handler for keyboard */	272	/** Handler for keyboard */
270	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)	273	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
271	{	274	{
272	ipc_callid_t callid;	275	ipc_callid_t callid;
273	ipc_call_t call;	276	ipc_call_t call;
274	int retval;	277	int retval;
275	int c;	278	int c;
276	connection_t *conn;	279	connection_t *conn;
277	int newcon;	280	int newcon;
278		281
279	/* Ignore parameters, the connection is alread opened */	282	/* Ignore parameters, the connection is alread opened */
280	while (1) {	283	while (1) {
281	callid = async_get_call(&call);	284	callid = async_get_call(&call);
282	switch (IPC_GET_METHOD(call)) {	285	switch (IPC_GET_METHOD(call)) {
283	case IPC_M_PHONE_HUNGUP:	286	case IPC_M_PHONE_HUNGUP:
284	/* TODO: Handle hangup */	287	/* TODO: Handle hangup */
285	return;	288	return;
286	case KBD_MS_LEFT:	289	case KBD_MS_LEFT:
287	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));	290	newcon = gcons_mouse_btn(IPC_GET_ARG1(call));
288	if (newcon != -1)	291	if (newcon != -1)
289	change_console(newcon);	292	change_console(newcon);
290	retval = 0;	293	retval = 0;
291	break;	294	break;
292	case KBD_MS_MOVE:	295	case KBD_MS_MOVE:
293	gcons_mouse_move(IPC_GET_ARG1(call),	296	gcons_mouse_move(IPC_GET_ARG1(call),
294	IPC_GET_ARG2(call));	297	IPC_GET_ARG2(call));
295	retval = 0;	298	retval = 0;
296	break;	299	break;
297	case KBD_PUSHCHAR:	300	case KBD_PUSHCHAR:
298	/* got key from keyboard driver */	301	/* got key from keyboard driver */
299	retval = 0;	302	retval = 0;
300	c = IPC_GET_ARG1(call);	303	c = IPC_GET_ARG1(call);
301	/* switch to another virtual console */	304	/* switch to another virtual console */
302		305
303	conn = &connections[active_console];	306	conn = &connections[active_console];
304	/*	307	/*
305	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +	308	* if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +
306	* CONSOLE_COUNT)) {	309	* CONSOLE_COUNT)) {
307	*/	310	*/
308	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {	311	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
309	if (c == 0x112)	312	if (c == 0x112)
310	change_console(KERNEL_CONSOLE);	313	change_console(KERNEL_CONSOLE);
311	else	314	else
312	change_console(c - 0x101);	315	change_console(c - 0x101);
313	break;	316	break;
314	}	317	}
315		318
316	/* if client is awaiting key, send it */	319	/* if client is awaiting key, send it */
317	if (conn->keyrequest_counter > 0) {	320	if (conn->keyrequest_counter > 0) {
318	conn->keyrequest_counter--;	321	conn->keyrequest_counter--;
319	ipc_answer_1(fifo_pop(conn->keyrequests), EOK,	322	ipc_answer_1(fifo_pop(conn->keyrequests), EOK,
320	c);	323	c);
321	break;	324	break;
322	}	325	}
323		326
324	keybuffer_push(&conn->keybuffer, c);	327	keybuffer_push(&conn->keybuffer, c);
325	retval = 0;	328	retval = 0;
326		329
327	break;	330	break;
328	default:	331	default:
329	retval = ENOENT;	332	retval = ENOENT;
330	}	333	}
331	ipc_answer_0(callid, retval);	334	ipc_answer_0(callid, retval);
332	}	335	}
333	}	336	}
334		337
335	/** Default thread for new connections */	338	/** Default thread for new connections */
336	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)	339	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
337	{	340	{
338	ipc_callid_t callid;	341	ipc_callid_t callid;
339	ipc_call_t call;	342	ipc_call_t call;
340	int consnum;	343	int consnum;
341	ipcarg_t arg1, arg2;	344	ipcarg_t arg1, arg2;
342	connection_t *conn;	345	connection_t *conn;
343		346
344	if ((consnum = find_free_connection()) == -1) {	347	if ((consnum = find_free_connection()) == -1) {
345	ipc_answer_0(iid, ELIMIT);	348	ipc_answer_0(iid, ELIMIT);
346	return;	349	return;
347	}	350	}
348	conn = &connections[consnum];	351	conn = &connections[consnum];
349	conn->used = 1;	352	conn->used = 1;
350		353
351	async_serialize_start();	354	async_serialize_start();
352	gcons_notify_connect(consnum);	355	gcons_notify_connect(consnum);
353	conn->client_phone = IPC_GET_ARG5(*icall);	356	conn->client_phone = IPC_GET_ARG5(*icall);
354	screenbuffer_clear(&conn->screenbuffer);	357	screenbuffer_clear(&conn->screenbuffer);
355		358
356	/* Accept the connection */	359	/* Accept the connection */
357	ipc_answer_0(iid, EOK);	360	ipc_answer_0(iid, EOK);
358		361
359	while (1) {	362	while (1) {
360	async_serialize_end();	363	async_serialize_end();
361	callid = async_get_call(&call);	364	callid = async_get_call(&call);
362	async_serialize_start();	365	async_serialize_start();
363		366
364	arg1 = 0;	367	arg1 = 0;
365	arg2 = 0;	368	arg2 = 0;
366	switch (IPC_GET_METHOD(call)) {	369	switch (IPC_GET_METHOD(call)) {
367	case IPC_M_PHONE_HUNGUP:	370	case IPC_M_PHONE_HUNGUP:
368	gcons_notify_disconnect(consnum);	371	gcons_notify_disconnect(consnum);
369		372
370	/* Answer all pending requests */	373	/* Answer all pending requests */
371	while (conn->keyrequest_counter > 0) {	374	while (conn->keyrequest_counter > 0) {
372	conn->keyrequest_counter--;	375	conn->keyrequest_counter--;
373	ipc_answer_0(fifo_pop(conn->keyrequests),	376	ipc_answer_0(fifo_pop(conn->keyrequests),
374	ENOENT);	377	ENOENT);
375	break;	378	break;
376	}	379	}
377	conn->used = 0;	380	conn->used = 0;
378	return;	381	return;
379	case CONSOLE_PUTCHAR:	382	case CONSOLE_PUTCHAR:
380	write_char(consnum, IPC_GET_ARG1(call));	383	write_char(consnum, IPC_GET_ARG1(call));
381	gcons_notify_char(consnum);	384	gcons_notify_char(consnum);
382	break;	385	break;
383	case CONSOLE_CLEAR:	386	case CONSOLE_CLEAR:
384	/* Send message to fb */	387	/* Send message to fb */
385	if (consnum == active_console) {	388	if (consnum == active_console) {
386	async_msg_0(fb_info.phone, FB_CLEAR);	389	async_msg_0(fb_info.phone, FB_CLEAR);
387	}	390	}
388		391
389	screenbuffer_clear(&conn->screenbuffer);	392	screenbuffer_clear(&conn->screenbuffer);
390		393
391	break;	394	break;
392	case CONSOLE_GOTO:	395	case CONSOLE_GOTO:
393	screenbuffer_goto(&conn->screenbuffer,	396	screenbuffer_goto(&conn->screenbuffer,
394	IPC_GET_ARG2(call), IPC_GET_ARG1(call));	397	IPC_GET_ARG2(call), IPC_GET_ARG1(call));
395	if (consnum == active_console)	398	if (consnum == active_console)
396	curs_goto(IPC_GET_ARG1(call),	399	curs_goto(IPC_GET_ARG1(call),
397	IPC_GET_ARG2(call));	400	IPC_GET_ARG2(call));
398	break;	401	break;
399	case CONSOLE_GETSIZE:	402	case CONSOLE_GETSIZE:
400	arg1 = fb_info.rows;	403	arg1 = fb_info.rows;
401	arg2 = fb_info.cols;	404	arg2 = fb_info.cols;
402	break;	405	break;
403	case CONSOLE_FLUSH:	406	case CONSOLE_FLUSH:
404	if (consnum == active_console)	407	if (consnum == active_console)
405	async_req_0_0(fb_info.phone, FB_FLUSH);	408	async_req_0_0(fb_info.phone, FB_FLUSH);
406	break;	409	break;
407	case CONSOLE_SET_STYLE:	410	case CONSOLE_SET_STYLE:
408	arg1 = IPC_GET_ARG1(call);	411	arg1 = IPC_GET_ARG1(call);
409	arg2 = IPC_GET_ARG2(call);	412	arg2 = IPC_GET_ARG2(call);
410	screenbuffer_set_style(&conn->screenbuffer, arg1,	413	screenbuffer_set_style(&conn->screenbuffer, arg1,
411	arg2);	414	arg2);
412	if (consnum == active_console)	415	if (consnum == active_console)
413	set_style_col(arg1, arg2);	416	set_style_col(arg1, arg2);
414	break;	417	break;
415	case CONSOLE_CURSOR_VISIBILITY:	418	case CONSOLE_CURSOR_VISIBILITY:
416	arg1 = IPC_GET_ARG1(call);	419	arg1 = IPC_GET_ARG1(call);
417	conn->screenbuffer.is_cursor_visible = arg1;	420	conn->screenbuffer.is_cursor_visible = arg1;
418	if (consnum == active_console)	421	if (consnum == active_console)
419	curs_visibility(arg1);	422	curs_visibility(arg1);
420	break;	423	break;
421	case CONSOLE_GETCHAR:	424	case CONSOLE_GETCHAR:
422	if (keybuffer_empty(&conn->keybuffer)) {	425	if (keybuffer_empty(&conn->keybuffer)) {
423	/* buffer is empty -> store request */	426	/* buffer is empty -> store request */
424	if (conn->keyrequest_counter <	427	if (conn->keyrequest_counter <
425	MAX_KEYREQUESTS_BUFFERED) {	428	MAX_KEYREQUESTS_BUFFERED) {
426	fifo_push(conn->keyrequests, callid);	429	fifo_push(conn->keyrequests, callid);
427	conn->keyrequest_counter++;	430	conn->keyrequest_counter++;
428	} else {	431	} else {
429	/*	432	/*
430	* No key available and too many	433	* No key available and too many
431	* requests => fail.	434	* requests => fail.
432	*/	435	*/
433	ipc_answer_0(callid, ELIMIT);	436	ipc_answer_0(callid, ELIMIT);
434	}	437	}
435	continue;	438	continue;
436	}	439	}
437	int ch;	440	int ch;
438	keybuffer_pop(&conn->keybuffer, &ch);	441	keybuffer_pop(&conn->keybuffer, &ch);
439	arg1 = ch;	442	arg1 = ch;
440	break;	443	break;
441	}	444	}
442	ipc_answer_2(callid, EOK, arg1, arg2);	445	ipc_answer_2(callid, EOK, arg1, arg2);
443	}	446	}
444	}	447	}
445		448
-		449	static void interrupt_received(ipc_callid_t callid, ipc_call_t *call)
-		450	{
-		451	change_console(prev_console);
-		452	}
-		453
446	int main(int argc, char *argv[])	454	int main(int argc, char *argv[])
447	{	455	{
448	printf(NAME ": HelenOS Console service\n");	456	printf(NAME ": HelenOS Console service\n");
449		457
450	ipcarg_t phonehash;	458	ipcarg_t phonehash;
451	int kbd_phone;	459	int kbd_phone;
452	int i;	460	int i;
453		461
454	async_set_client_connection(client_connection);	462	async_set_client_connection(client_connection);
455		463
456	/* Connect to keyboard driver */	464	/* Connect to keyboard driver */
457		465
458	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);	466	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
459	while (kbd_phone < 0) {	467	while (kbd_phone < 0) {
460	usleep(10000);	468	usleep(10000);
461	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);	469	kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0, 0);
462	}	470	}
463		471
464	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0)	472	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0)
465	return -1;	473	return -1;
466	async_new_connection(phonehash, 0, NULL, keyboard_events);	474	async_new_connection(phonehash, 0, NULL, keyboard_events);
467		475
468	/* Connect to framebuffer driver */	476	/* Connect to framebuffer driver */
469	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0, 0);	477	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0, 0);
470	while (fb_info.phone < 0) {	478	while (fb_info.phone < 0) {
471	usleep(10000);	479	usleep(10000);
472	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0, 0);	480	fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0, 0);
473	}	481	}
474		482
475	/* Initialize gcons */	483	/* Initialize gcons */
476	gcons_init(fb_info.phone);	484	gcons_init(fb_info.phone);
477	/* Synchronize, the gcons can have something in queue */	485	/* Synchronize, the gcons can have something in queue */
478	async_req_0_0(fb_info.phone, FB_FLUSH);	486	async_req_0_0(fb_info.phone, FB_FLUSH);
479		487
480	async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.rows,	488	async_req_0_2(fb_info.phone, FB_GET_CSIZE, &fb_info.rows,
481	&fb_info.cols);	489	&fb_info.cols);
482	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);	490	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
483	clrscr();	491	clrscr();
484		492
485	/* Init virtual consoles */	493	/* Init virtual consoles */
486	for (i = 0; i < CONSOLE_COUNT; i++) {	494	for (i = 0; i < CONSOLE_COUNT; i++) {
487	connections[i].used = 0;	495	connections[i].used = 0;
488	keybuffer_init(&connections[i].keybuffer);	496	keybuffer_init(&connections[i].keybuffer);
489		497
490	connections[i].keyrequests.head = 0;	498	connections[i].keyrequests.head = 0;
491	connections[i].keyrequests.tail = 0;	499	connections[i].keyrequests.tail = 0;
492	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;	500	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;

Subversion Repositories HelenOS

(root)/trunk/uspace/srv/console/console.c – Rev 3747 → 3761