WebSVN – HelenOS-historic – Diff – /uspace/trunk/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.
 */
 
/** @defgroup console Console
 * @brief   HelenOS console.
 * @{
 */
/** @file
 */
 
/* TODO: remove */
#include <stdio.h>
 
 
#include <kbd.h>
#include <fb.h>
#include <ipc/ipc.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. */
    FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED);   /**< Buffer for unsatisfied request for keys. */
    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 virt. 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 = 0;
   
    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 += 1;
            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++);
        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;
    keyfield_t *field;
    style_t *style;
    char c;
 
    if (newcons == active_console)
        return;
 
    if (newcons == KERNEL_CONSOLE) {
        if (active_console == KERNEL_CONSOLE)
            return;
        active_console = KERNEL_CONSOLE;
        curs_visibility(0);
 
        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;
        }
 
        __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
        return;
    }
   
    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++)
                interbuffer[i + j*conn->screenbuffer.size_x] = *get_field_at(&(conn->screenbuffer),i, j);
        /* This call can preempt, but we are already at the end */
        j = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL, NULL);       
    };
   
    if ((!interbuffer) || (j != 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);
}
 
/** 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;
   
    /* 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_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)) {
                async_serialize_start();
                if (c == 0x112)
                    change_console(KERNEL_CONSOLE);
                else
                    change_console(c - 0x101);
                async_serialize_end();
                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;
            }
           
            /*FIXME: else store key to its buffer */
            keybuffer_push(&conn->keybuffer, c);
           
            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:
            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, fb_phone;
    ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;
    int i;
 
    async_set_client_connection(client_connection);
   
    /* Connect to keyboard driver */
 
    while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {
        usleep(10000);
    };
   
    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {
        return -1;
    };
 
    /* Connect to framebuffer driver */
   
    while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {
        usleep(10000);
    }
   
    /* 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 = 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;
   
    if ((interbuffer = mmap(NULL, sizeof(keyfield_t) * fb_info.cols * fb_info.rows , PROTO_READ|PROTO_WRITE, MAP_ANONYMOUS|MAP_PRIVATE, 0 ,0 )) != NULL) {
        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;
        }
    }
 
    async_new_connection(phonehash, 0, NULL, keyboard_events);
   
    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 1649	Rev 1672
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	/** @defgroup console Console	29	/** @defgroup console Console
30	* @brief HelenOS console.	30	* @brief HelenOS console.
31	* @{	31	* @{
32	*/	32	*/
33	/** @file	33	/** @file
34	*/	34	*/
35		35
36	/* TODO: remove */	36	/* TODO: remove */
37	#include <stdio.h>	37	#include <stdio.h>
38		38
39		39
40	#include <kbd.h>	40	#include <kbd.h>
41	#include <fb.h>	41	#include <fb.h>
42	#include <ipc/ipc.h>	42	#include <ipc/ipc.h>
43	#include <ipc/fb.h>	43	#include <ipc/fb.h>
44	#include <ipc/services.h>	44	#include <ipc/services.h>
45	#include <errno.h>	45	#include <errno.h>
46	#include <key_buffer.h>	46	#include <key_buffer.h>
47	#include <console.h>	47	#include <console.h>
48	#include <unistd.h>	48	#include <unistd.h>
49	#include <async.h>	49	#include <async.h>
50	#include <libadt/fifo.h>	50	#include <libadt/fifo.h>
51	#include <screenbuffer.h>	51	#include <screenbuffer.h>
52	#include <sys/mman.h>	52	#include <sys/mman.h>
53		53
54	#include "gcons.h"	54	#include "gcons.h"
55		55
56	#define MAX_KEYREQUESTS_BUFFERED 32	56	#define MAX_KEYREQUESTS_BUFFERED 32
57		57
58	#define NAME "CONSOLE"	58	#define NAME "CONSOLE"
59		59
60	/** Index of currently used virtual console.	60	/** Index of currently used virtual console.
61	*/	61	*/
62	int active_console = 0;	62	int active_console = 0;
63		63
64	/** Information about framebuffer	64	/** Information about framebuffer
65	*/	65	*/
66	struct {	66	struct {
67	int phone; /*< Framebuffer phone /	67	int phone; /*< Framebuffer phone /
68	ipcarg_t rows; /*< Framebuffer rows /	68	ipcarg_t rows; /*< Framebuffer rows /
69	ipcarg_t cols; /*< Framebuffer columns /	69	ipcarg_t cols; /*< Framebuffer columns /
70	} fb_info;	70	} fb_info;
71		71
72		72
73	typedef struct {	73	typedef struct {
74	keybuffer_t keybuffer; /*< Buffer for incoming keys. /	74	keybuffer_t keybuffer; /*< Buffer for incoming keys. /
75	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED); /*< Buffer for unsatisfied request for keys. /	75	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED); /*< Buffer for unsatisfied request for keys. /
76	int keyrequest_counter; /*< Number of requests in buffer. /	76	int keyrequest_counter; /*< Number of requests in buffer. /
77	int client_phone; /*< Phone to connected client. /	77	int client_phone; /*< Phone to connected client. /
78	int used; /*< 1 if this virtual console is connected to some client./	78	int used; /*< 1 if this virtual console is connected to some client./
79	screenbuffer_t screenbuffer; /*< Screenbuffer for saving screen contents and related settings. /	79	screenbuffer_t screenbuffer; /*< Screenbuffer for saving screen contents and related settings. /
80	} connection_t;	80	} connection_t;
81		81
82	static connection_t connections[CONSOLE_COUNT]; /*< Array of data for virtual consoles /	82	static connection_t connections[CONSOLE_COUNT]; /*< Array of data for virtual consoles /
83	static keyfield_t interbuffer = NULL; /< Pointer to memory shared with framebufer used for faster virt. console switching /	83	static keyfield_t interbuffer = NULL; /< Pointer to memory shared with framebufer used for faster virt. console switching /
84		84
85	static int kernel_pixmap = -1; /*< Number of fb pixmap, where kernel console is stored /	85	static int kernel_pixmap = -1; /*< Number of fb pixmap, where kernel console is stored /
86		86
87		87
88	/** Find unused virtual console.	88	/** Find unused virtual console.
89	*	89	*
90	*/	90	*/
91	static int find_free_connection(void)	91	static int find_free_connection(void)
92	{	92	{
93	int i = 0;	93	int i = 0;
94		94
95	for (i=0; i < CONSOLE_COUNT; i++) {	95	for (i=0; i < CONSOLE_COUNT; i++) {
96	if (!connections[i].used)	96	if (!connections[i].used)
97	return i;	97	return i;
98	}	98	}
99	return -1;	99	return -1;
100	}	100	}
101		101
102	static void clrscr(void)	102	static void clrscr(void)
103	{	103	{
104	async_msg(fb_info.phone, FB_CLEAR, 0);	104	async_msg(fb_info.phone, FB_CLEAR, 0);
105	}	105	}
106		106
107	static void curs_visibility(int v)	107	static void curs_visibility(int v)
108	{	108	{
109	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);	109	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);
110	}	110	}
111		111
112	static void curs_goto(int row, int col)	112	static void curs_goto(int row, int col)
113	{	113	{
114	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);	114	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
115		115
116	}	116	}
117		117
118	static void set_style(style_t *style)	118	static void set_style(style_t *style)
119	{	119	{
120	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color, style->bg_color);	120	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color, style->bg_color);
121	}	121	}
122		122
123	static void set_style_col(int fgcolor, int bgcolor)	123	static void set_style_col(int fgcolor, int bgcolor)
124	{	124	{
125	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);	125	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
126	}	126	}
127		127
128	static void prtchr(char c, int row, int col)	128	static void prtchr(char c, int row, int col)
129	{	129	{
130	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);	130	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
131		131
132	}	132	}
133		133
134	/** Check key and process special keys.	134	/** Check key and process special keys.
135	*	135	*
136	* */	136	* */
137	static void write_char(int console, char key)	137	static void write_char(int console, char key)
138	{	138	{
139	screenbuffer_t *scr = &(connections[console].screenbuffer);	139	screenbuffer_t *scr = &(connections[console].screenbuffer);
140		140
141	switch (key) {	141	switch (key) {
142	case '\n':	142	case '\n':
143	scr->position_y += 1;	143	scr->position_y += 1;
144	scr->position_x = 0;	144	scr->position_x = 0;
145	break;	145	break;
146	case '\r':	146	case '\r':
147	break;	147	break;
148	case '\t':	148	case '\t':
149	scr->position_x += 8;	149	scr->position_x += 8;
150	scr->position_x -= scr->position_x % 8;	150	scr->position_x -= scr->position_x % 8;
151	break;	151	break;
152	case '\b':	152	case '\b':
153	if (scr->position_x == 0)	153	if (scr->position_x == 0)
154	break;	154	break;
155		155
156	scr->position_x--;	156	scr->position_x--;
157		157
158	if (console == active_console)	158	if (console == active_console)
159	prtchr(' ', scr->position_y, scr->position_x);	159	prtchr(' ', scr->position_y, scr->position_x);
160		160
161	screenbuffer_putchar(scr, ' ');	161	screenbuffer_putchar(scr, ' ');
162		162
163	break;	163	break;
164	default:	164	default:
165	if (console == active_console)	165	if (console == active_console)
166	prtchr(key, scr->position_y, scr->position_x);	166	prtchr(key, scr->position_y, scr->position_x);
167		167
168	screenbuffer_putchar(scr, key);	168	screenbuffer_putchar(scr, key);
169	scr->position_x++;	169	scr->position_x++;
170	}	170	}
171		171
172	scr->position_y += (scr->position_x >= scr->size_x);	172	scr->position_y += (scr->position_x >= scr->size_x);
173		173
174	if (scr->position_y >= scr->size_y) {	174	if (scr->position_y >= scr->size_y) {
175	scr->position_y = scr->size_y - 1;	175	scr->position_y = scr->size_y - 1;
176	screenbuffer_clear_line(scr, scr->top_line++);	176	screenbuffer_clear_line(scr, scr->top_line++);
177	if (console == active_console)	177	if (console == active_console)
178	async_msg(fb_info.phone, FB_SCROLL, 1);	178	async_msg(fb_info.phone, FB_SCROLL, 1);
179	}	179	}
180		180
181	scr->position_x = scr->position_x % scr->size_x;	181	scr->position_x = scr->position_x % scr->size_x;
182		182
183	if (console == active_console)	183	if (console == active_console)
184	curs_goto(scr->position_y, scr->position_x);	184	curs_goto(scr->position_y, scr->position_x);
185		185
186	}	186	}
187		187
188	/** Save current screen to pixmap, draw old pixmap	188	/** Save current screen to pixmap, draw old pixmap
189	*	189	*
190	* @param oldpixmap Old pixmap	190	* @param oldpixmap Old pixmap
191	* @return ID of pixmap of current screen	191	* @return ID of pixmap of current screen
192	*/	192	*/
193	static int switch_screens(int oldpixmap)	193	static int switch_screens(int oldpixmap)
194	{	194	{
195	int newpmap;	195	int newpmap;
196		196
197	/* Save screen */	197	/* Save screen */
198	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);	198	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
199	if (newpmap < 0)	199	if (newpmap < 0)
200	return -1;	200	return -1;
201		201
202	if (oldpixmap != -1) {	202	if (oldpixmap != -1) {
203	/* Show old screen */	203	/* Show old screen */
204	async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);	204	async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);
205	/* Drop old pixmap */	205	/* Drop old pixmap */
206	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);	206	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
207	}	207	}
208		208
209	return newpmap;	209	return newpmap;
210	}	210	}
211		211
212	/** Switch to new console */	212	/** Switch to new console */
213	static void change_console(int newcons)	213	static void change_console(int newcons)
214	{	214	{
215	connection_t *conn;	215	connection_t *conn;
216	static int console_pixmap = -1;	216	static int console_pixmap = -1;
217	int i, j;	217	int i, j;
218	keyfield_t *field;	218	keyfield_t *field;
219	style_t *style;	219	style_t *style;
220	char c;	220	char c;
221		221
222	if (newcons == active_console)	222	if (newcons == active_console)
223	return;	223	return;
224		224
225	if (newcons == KERNEL_CONSOLE) {	225	if (newcons == KERNEL_CONSOLE) {
226	if (active_console == KERNEL_CONSOLE)	226	if (active_console == KERNEL_CONSOLE)
227	return;	227	return;
228	active_console = KERNEL_CONSOLE;	228	active_console = KERNEL_CONSOLE;
229	curs_visibility(0);	229	curs_visibility(0);
230		230
231	if (kernel_pixmap == -1) {	231	if (kernel_pixmap == -1) {
232	/* store/restore unsupported */	232	/* store/restore unsupported */
233	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);	233	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
234	clrscr();	234	clrscr();
235	} else {	235	} else {
236	gcons_in_kernel();	236	gcons_in_kernel();
237	console_pixmap = switch_screens(kernel_pixmap);	237	console_pixmap = switch_screens(kernel_pixmap);
238	kernel_pixmap = -1;	238	kernel_pixmap = -1;
239	}	239	}
240		240
241	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);	241	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
242	return;	242	return;
243	}	243	}
244		244
245	if (console_pixmap != -1) {	245	if (console_pixmap != -1) {
246	kernel_pixmap = switch_screens(console_pixmap);	246	kernel_pixmap = switch_screens(console_pixmap);
247	console_pixmap = -1;	247	console_pixmap = -1;
248	}	248	}
249	active_console = newcons;	249	active_console = newcons;
250	gcons_change_console(newcons);	250	gcons_change_console(newcons);
251	conn = &connections[active_console];	251	conn = &connections[active_console];
252		252
253	set_style(&conn->screenbuffer.style);	253	set_style(&conn->screenbuffer.style);
254	curs_visibility(0);	254	curs_visibility(0);
255	if (interbuffer) {	255	if (interbuffer) {
256	for (i = 0; i < conn->screenbuffer.size_x; i++)	256	for (i = 0; i < conn->screenbuffer.size_x; i++)
257	for (j = 0; j < conn->screenbuffer.size_y; j++)	257	for (j = 0; j < conn->screenbuffer.size_y; j++)
258	interbuffer[i + jconn->screenbuffer.size_x] = get_field_at(&(conn->screenbuffer),i, j);	258	interbuffer[i + jconn->screenbuffer.size_x] = get_field_at(&(conn->screenbuffer),i, j);
259	/* This call can preempt, but we are already at the end */	259	/* This call can preempt, but we are already at the end */
260	j = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL, NULL);	260	j = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL, NULL);
261	};	261	};
262		262
263	if ((!interbuffer) \|\| (j != 0)){	263	if ((!interbuffer) \|\| (j != 0)){
264	set_style(&conn->screenbuffer.style);	264	set_style(&conn->screenbuffer.style);
265	clrscr();	265	clrscr();
266	style = &conn->screenbuffer.style;	266	style = &conn->screenbuffer.style;
267		267
268	for (j = 0; j < conn->screenbuffer.size_y; j++)	268	for (j = 0; j < conn->screenbuffer.size_y; j++)
269	for (i = 0; i < conn->screenbuffer.size_x; i++) {	269	for (i = 0; i < conn->screenbuffer.size_x; i++) {
270	field = get_field_at(&(conn->screenbuffer),i, j);	270	field = get_field_at(&(conn->screenbuffer),i, j);
271	if (!style_same(*style, field->style))	271	if (!style_same(*style, field->style))
272	set_style(&field->style);	272	set_style(&field->style);
273	style = &field->style;	273	style = &field->style;
274	if ((field->character == ' ') && (style_same(field->style, conn->screenbuffer.style)))	274	if ((field->character == ' ') && (style_same(field->style, conn->screenbuffer.style)))
275	continue;	275	continue;
276		276
277	prtchr(field->character, j, i);	277	prtchr(field->character, j, i);
278	}	278	}
279	}	279	}
280		280
281	curs_goto(conn->screenbuffer.position_y, conn->screenbuffer.position_x);	281	curs_goto(conn->screenbuffer.position_y, conn->screenbuffer.position_x);
282	curs_visibility(conn->screenbuffer.is_cursor_visible);	282	curs_visibility(conn->screenbuffer.is_cursor_visible);
283	}	283	}
284		284
285	/** Handler for keyboard */	285	/** Handler for keyboard */
286	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)	286	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
287	{	287	{
288	ipc_callid_t callid;	288	ipc_callid_t callid;
289	ipc_call_t call;	289	ipc_call_t call;
290	int retval;	290	int retval;
291	int c;	291	int c;
292	connection_t *conn;	292	connection_t *conn;
293		293
294	/* Ignore parameters, the connection is alread opened */	294	/* Ignore parameters, the connection is alread opened */
295	while (1) {	295	while (1) {
296	callid = async_get_call(&call);	296	callid = async_get_call(&call);
297	switch (IPC_GET_METHOD(call)) {	297	switch (IPC_GET_METHOD(call)) {
298	case IPC_M_PHONE_HUNGUP:	298	case IPC_M_PHONE_HUNGUP:
299	/* TODO: Handle hangup */	299	/* TODO: Handle hangup */
300	return;	300	return;
301	case KBD_PUSHCHAR:	301	case KBD_PUSHCHAR:
302	/* got key from keyboard driver */	302	/* got key from keyboard driver */
303		303
304	retval = 0;	304	retval = 0;
305	c = IPC_GET_ARG1(call);	305	c = IPC_GET_ARG1(call);
306	/* switch to another virtual console */	306	/* switch to another virtual console */
307		307
308	conn = &connections[active_console];	308	conn = &connections[active_console];
309	// if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {	309	// if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {
310	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {	310	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
311	async_serialize_start();	311	async_serialize_start();
312	if (c == 0x112)	312	if (c == 0x112)
313	change_console(KERNEL_CONSOLE);	313	change_console(KERNEL_CONSOLE);
314	else	314	else
315	change_console(c - 0x101);	315	change_console(c - 0x101);
316	async_serialize_end();	316	async_serialize_end();
317	break;	317	break;
318	}	318	}
319		319
320	/* if client is awaiting key, send it */	320	/* if client is awaiting key, send it */
321	if (conn->keyrequest_counter > 0) {	321	if (conn->keyrequest_counter > 0) {
322	conn->keyrequest_counter--;	322	conn->keyrequest_counter--;
323	ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);	323	ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);
324	break;	324	break;
325	}	325	}
326		326
327	/FIXME: else store key to its buffer /	327	/FIXME: else store key to its buffer /
328	keybuffer_push(&conn->keybuffer, c);	328	keybuffer_push(&conn->keybuffer, c);
329		329
330	break;	330	break;
331	default:	331	default:
332	retval = ENOENT;	332	retval = ENOENT;
333	}	333	}
334	ipc_answer_fast(callid, retval, 0, 0);	334	ipc_answer_fast(callid, retval, 0, 0);
335	}	335	}
336	}	336	}
337		337
338	/** Default thread for new connections */	338	/** Default thread for new connections */
339	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)
340	{	340	{
341	ipc_callid_t callid;	341	ipc_callid_t callid;
342	ipc_call_t call;	342	ipc_call_t call;
343	int consnum;	343	int consnum;
344	ipcarg_t arg1, arg2;	344	ipcarg_t arg1, arg2;
345	connection_t *conn;	345	connection_t *conn;
346		346
347	if ((consnum = find_free_connection()) == -1) {	347	if ((consnum = find_free_connection()) == -1) {
348	ipc_answer_fast(iid,ELIMIT,0,0);	348	ipc_answer_fast(iid,ELIMIT,0,0);
349	return;	349	return;
350	}	350	}
351	conn = &connections[consnum];	351	conn = &connections[consnum];
352	conn->used = 1;	352	conn->used = 1;
353		353
354	async_serialize_start();	354	async_serialize_start();
355	gcons_notify_connect(consnum);	355	gcons_notify_connect(consnum);
356	conn->client_phone = IPC_GET_ARG3(call);	356	conn->client_phone = IPC_GET_ARG3(call);
357	screenbuffer_clear(&conn->screenbuffer);	357	screenbuffer_clear(&conn->screenbuffer);
358		358
359	/* Accept the connection */	359	/* Accept the connection */
360	ipc_answer_fast(iid,0,0,0);	360	ipc_answer_fast(iid,0,0,0);
361		361
362	while (1) {	362	while (1) {
363	async_serialize_end();	363	async_serialize_end();
364	callid = async_get_call(&call);	364	callid = async_get_call(&call);
365	async_serialize_start();	365	async_serialize_start();
366		366
367	arg1 = arg2 = 0;	367	arg1 = arg2 = 0;
368	switch (IPC_GET_METHOD(call)) {	368	switch (IPC_GET_METHOD(call)) {
369	case IPC_M_PHONE_HUNGUP:	369	case IPC_M_PHONE_HUNGUP:
370	gcons_notify_disconnect(consnum);	370	gcons_notify_disconnect(consnum);
371		371
372	/* Answer all pending requests */	372	/* Answer all pending requests */
373	while (conn->keyrequest_counter > 0) {	373	while (conn->keyrequest_counter > 0) {
374	conn->keyrequest_counter--;	374	conn->keyrequest_counter--;
375	ipc_answer_fast(fifo_pop(conn->keyrequests), ENOENT, 0, 0);	375	ipc_answer_fast(fifo_pop(conn->keyrequests), ENOENT, 0, 0);
376	break;	376	break;
377	}	377	}
378	conn->used = 0;	378	conn->used = 0;
379	return;	379	return;
380	case CONSOLE_PUTCHAR:	380	case CONSOLE_PUTCHAR:
381	write_char(consnum, IPC_GET_ARG1(call));	381	write_char(consnum, IPC_GET_ARG1(call));
382	gcons_notify_char(consnum);	382	gcons_notify_char(consnum);
383	break;	383	break;
384	case CONSOLE_CLEAR:	384	case CONSOLE_CLEAR:
385	/* Send message to fb */	385	/* Send message to fb */
386	if (consnum == active_console) {	386	if (consnum == active_console) {
387	async_msg(fb_info.phone, FB_CLEAR, 0);	387	async_msg(fb_info.phone, FB_CLEAR, 0);
388	}	388	}
389		389
390	screenbuffer_clear(&conn->screenbuffer);	390	screenbuffer_clear(&conn->screenbuffer);
391		391
392	break;	392	break;
393	case CONSOLE_GOTO:	393	case CONSOLE_GOTO:
394		394
395	screenbuffer_goto(&conn->screenbuffer, IPC_GET_ARG2(call), IPC_GET_ARG1(call));	395	screenbuffer_goto(&conn->screenbuffer, IPC_GET_ARG2(call), IPC_GET_ARG1(call));
396	if (consnum == active_console)	396	if (consnum == active_console)
397	curs_goto(IPC_GET_ARG1(call),IPC_GET_ARG2(call));	397	curs_goto(IPC_GET_ARG1(call),IPC_GET_ARG2(call));
398		398
399	break;	399	break;
400		400
401	case CONSOLE_GETSIZE:	401	case CONSOLE_GETSIZE:
402	arg1 = fb_info.rows;	402	arg1 = fb_info.rows;
403	arg2 = fb_info.cols;	403	arg2 = fb_info.cols;
404	break;	404	break;
405	case CONSOLE_FLUSH:	405	case CONSOLE_FLUSH:
406	async_req_2(fb_info.phone, FB_FLUSH, 0, 0, NULL, NULL);	406	async_req_2(fb_info.phone, FB_FLUSH, 0, 0, NULL, NULL);
407	break;	407	break;
408	case CONSOLE_SET_STYLE:	408	case CONSOLE_SET_STYLE:
409		409
410	arg1 = IPC_GET_ARG1(call);	410	arg1 = IPC_GET_ARG1(call);
411	arg2 = IPC_GET_ARG2(call);	411	arg2 = IPC_GET_ARG2(call);
412	screenbuffer_set_style(&conn->screenbuffer,arg1, arg2);	412	screenbuffer_set_style(&conn->screenbuffer,arg1, arg2);
413	if (consnum == active_console)	413	if (consnum == active_console)
414	set_style_col(arg1, arg2);	414	set_style_col(arg1, arg2);
415		415
416	break;	416	break;
417	case CONSOLE_CURSOR_VISIBILITY:	417	case CONSOLE_CURSOR_VISIBILITY:
418	arg1 = IPC_GET_ARG1(call);	418	arg1 = IPC_GET_ARG1(call);
419	conn->screenbuffer.is_cursor_visible = arg1;	419	conn->screenbuffer.is_cursor_visible = arg1;
420	if (consnum == active_console)	420	if (consnum == active_console)
421	curs_visibility(arg1);	421	curs_visibility(arg1);
422	break;	422	break;
423	case CONSOLE_GETCHAR:	423	case CONSOLE_GETCHAR:
424	if (keybuffer_empty(&conn->keybuffer)) {	424	if (keybuffer_empty(&conn->keybuffer)) {
425	/* buffer is empty -> store request */	425	/* buffer is empty -> store request */
426	if (conn->keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {	426	if (conn->keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {
427	fifo_push(conn->keyrequests, callid);	427	fifo_push(conn->keyrequests, callid);
428	conn->keyrequest_counter++;	428	conn->keyrequest_counter++;
429	} else {	429	} else {
430	/* no key available and too many requests => fail */	430	/* no key available and too many requests => fail */
431	ipc_answer_fast(callid, ELIMIT, 0, 0);	431	ipc_answer_fast(callid, ELIMIT, 0, 0);
432	}	432	}
433	continue;	433	continue;
434	};	434	};
435	keybuffer_pop(&conn->keybuffer, (int *)&arg1);	435	keybuffer_pop(&conn->keybuffer, (int *)&arg1);
436		436
437	break;	437	break;
438	}	438	}
439	ipc_answer_fast(callid, 0, arg1, arg2);	439	ipc_answer_fast(callid, 0, arg1, arg2);
440	}	440	}
441	}	441	}
442		442
443	int main(int argc, char *argv[])	443	int main(int argc, char *argv[])
444	{	444	{
445	ipcarg_t phonehash;	445	ipcarg_t phonehash;
446	int kbd_phone, fb_phone;	446	int kbd_phone, fb_phone;
447	ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;	447	ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;
448	int i;	448	int i;
449		449
450	async_set_client_connection(client_connection);	450	async_set_client_connection(client_connection);
451		451
452	/* Connect to keyboard driver */	452	/* Connect to keyboard driver */
453		453
454	while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {	454	while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {
455	usleep(10000);	455	usleep(10000);
456	};	456	};
457		457
458	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {	458	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {
459	return -1;	459	return -1;
460	};	460	};
461		461
462	/* Connect to framebuffer driver */	462	/* Connect to framebuffer driver */
463		463
464	while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {	464	while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {
465	usleep(10000);	465	usleep(10000);
466	}	466	}
467		467
468	/* Save old kernel screen */	468	/* Save old kernel screen */
469	kernel_pixmap = switch_screens(-1);	469	kernel_pixmap = switch_screens(-1);
470		470
471	/* Initialize gcons */	471	/* Initialize gcons */
472	gcons_init(fb_info.phone);	472	gcons_init(fb_info.phone);
473	/* Synchronize, the gcons can have something in queue */	473	/* Synchronize, the gcons can have something in queue */
474	async_req(fb_info.phone, FB_FLUSH, 0, NULL);	474	async_req(fb_info.phone, FB_FLUSH, 0, NULL);
475		-
-		475	/* Enable double buffering */
-		476	async_msg_2(fb_info.phone, FB_VIEWPORT_DB, (sysarg_t)-1, 1);
476		477
477	async_req_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));	478	async_req_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));
478	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);	479	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
479	clrscr();	480	clrscr();
480		481
481	/* Init virtual consoles */	482	/* Init virtual consoles */
482	for (i = 0; i < CONSOLE_COUNT; i++) {	483	for (i = 0; i < CONSOLE_COUNT; i++) {
483	connections[i].used = 0;	484	connections[i].used = 0;
484	keybuffer_init(&(connections[i].keybuffer));	485	keybuffer_init(&(connections[i].keybuffer));
485		486
486	connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;	487	connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;
487	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;	488	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
488	connections[i].keyrequest_counter = 0;	489	connections[i].keyrequest_counter = 0;
489		490
490	if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {	491	if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {
491	/FIXME: handle error /	492	/FIXME: handle error /
492	return -1;	493	return -1;
493	}	494	}
494	}	495	}
495	connections[KERNEL_CONSOLE].used = 1;	496	connections[KERNEL_CONSOLE].used = 1;
496		497
497	if ((interbuffer = mmap(NULL, sizeof(keyfield_t) * fb_info.cols * fb_info.rows , PROTO_READ\|PROTO_WRITE, MAP_ANONYMOUS\|MAP_PRIVATE, 0 ,0 )) != NULL) {	498	if ((interbuffer = mmap(NULL, sizeof(keyfield_t) * fb_info.cols * fb_info.rows , PROTO_READ\|PROTO_WRITE, MAP_ANONYMOUS\|MAP_PRIVATE, 0 ,0 )) != NULL) {
498	if (async_req_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)interbuffer, 0, AS_AREA_READ, NULL, NULL, NULL) != 0) {	499	if (async_req_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)interbuffer, 0, AS_AREA_READ, NULL, NULL, NULL) != 0) {

Subversion Repositories HelenOS-historic

(root)/uspace/trunk/console/console.c – Rev 1649 → 1672