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 <fb.h>
#include <ipc/ipc.h>
#include <keys.h>
#include <ipc/fb.h>
#include <ipc/services.h>
#include <errno.h>
#include <key_buffer.h>
#include <console.h>
#include <unistd.h>
#include <async.h>
#include <libadt/fifo.h>
#include <screenbuffer.h>
#include <sys/mman.h>
 
#include "gcons.h"
 
#define MAX_KEYREQUESTS_BUFFERED 32
 
#define NAME "CONSOLE"
 
/** Index of currently used virtual console.
 */
int active_console = 0;
 
/** Information about framebuffer
 */
struct {
    int phone;      /**< Framebuffer phone */
    ipcarg_t rows;      /**< Framebuffer rows */
    ipcarg_t cols;      /**< Framebuffer columns */
} fb_info;
 
 
typedef struct {
    keybuffer_t keybuffer;      /**< Buffer for incoming keys. */
    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);
        scr->top_line = (scr->top_line+1) % scr->size_y;
        if (console == active_console)
            async_msg(fb_info.phone, FB_SCROLL, 1);
    }
   
    scr->position_x = scr->position_x % scr->size_x;
   
    if (console == active_console)
        curs_goto(scr->position_y, scr->position_x);
   
}
 
/** Save current screen to pixmap, draw old pixmap
 *
 * @param oldpixmap Old pixmap
 * @return ID of pixmap of current screen
 */
static int switch_screens(int oldpixmap)
{
    int newpmap;
       
    /* Save screen */
    newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
    if (newpmap < 0)
        return -1;
 
    if (oldpixmap != -1) {
        /* Show old screen */
        async_msg_2(fb_info.phone, FB_VP_DRAW_PIXMAP, 0, oldpixmap);
        /* Drop old pixmap */
        async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
    }
   
    return newpmap;
}
 
/** Switch to new console */
static void change_console(int newcons)
{
    connection_t *conn;
    static int console_pixmap = -1;
    int i, j, rc;
    keyfield_t *field;
    style_t *style;
    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 */
        rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL, NULL);      
    };
   
    if ((!interbuffer) || (rc != 0)) {
        set_style(&conn->screenbuffer.style);
        clrscr();
        style = &conn->screenbuffer.style;
 
        for (j = 0; j < conn->screenbuffer.size_y; j++)
            for (i = 0; i < conn->screenbuffer.size_x; i++) {
                field = get_field_at(&(conn->screenbuffer),i, j);
                if (!style_same(*style, field->style))
                    set_style(&field->style);
                style = &field->style;
                if ((field->character == ' ') && (style_same(field->style, conn->screenbuffer.style)))
                    continue;
 
                prtchr(field->character, j, i);
            }
    }
   
    curs_goto(conn->screenbuffer.position_y, conn->screenbuffer.position_x);
    curs_visibility(conn->screenbuffer.is_cursor_visible);
}
 
/** 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;
    };
    async_new_connection(phonehash, 0, NULL, keyboard_events);
   
    /* 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;
        }
    }
 
    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 1689	Rev 1694
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		-
40	#include <kbd.h>	-
41	#include <fb.h>	39	#include <fb.h>
42	#include <ipc/ipc.h>	40	#include <ipc/ipc.h>
-		41	#include <keys.h>
43	#include <ipc/fb.h>	42	#include <ipc/fb.h>
44	#include <ipc/services.h>	43	#include <ipc/services.h>
45	#include <errno.h>	44	#include <errno.h>
46	#include <key_buffer.h>	45	#include <key_buffer.h>
47	#include <console.h>	46	#include <console.h>
48	#include <unistd.h>	47	#include <unistd.h>
49	#include <async.h>	48	#include <async.h>
50	#include <libadt/fifo.h>	49	#include <libadt/fifo.h>
51	#include <screenbuffer.h>	50	#include <screenbuffer.h>
52	#include <sys/mman.h>	51	#include <sys/mman.h>
53		52
54	#include "gcons.h"	53	#include "gcons.h"
55		54
56	#define MAX_KEYREQUESTS_BUFFERED 32	55	#define MAX_KEYREQUESTS_BUFFERED 32
57		56
58	#define NAME "CONSOLE"	57	#define NAME "CONSOLE"
59		58
60	/** Index of currently used virtual console.	59	/** Index of currently used virtual console.
61	*/	60	*/
62	int active_console = 0;	61	int active_console = 0;
63		62
64	/** Information about framebuffer	63	/** Information about framebuffer
65	*/	64	*/
66	struct {	65	struct {
67	int phone; /*< Framebuffer phone /	66	int phone; /*< Framebuffer phone /
68	ipcarg_t rows; /*< Framebuffer rows /	67	ipcarg_t rows; /*< Framebuffer rows /
69	ipcarg_t cols; /*< Framebuffer columns /	68	ipcarg_t cols; /*< Framebuffer columns /
70	} fb_info;	69	} fb_info;
71		70
72		71
73	typedef struct {	72	typedef struct {
74	keybuffer_t keybuffer; /*< Buffer for incoming keys. /	73	keybuffer_t keybuffer; /*< Buffer for incoming keys. /
75	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED); /*< Buffer for unsatisfied request for keys. /	74	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. /	75	int keyrequest_counter; /*< Number of requests in buffer. /
77	int client_phone; /*< Phone to connected client. /	76	int client_phone; /*< Phone to connected client. /
78	int used; /*< 1 if this virtual console is connected to some client./	77	int used; /*< 1 if this virtual console is connected to some client./
79	screenbuffer_t screenbuffer; /*< Screenbuffer for saving screen contents and related settings. /	78	screenbuffer_t screenbuffer; /*< Screenbuffer for saving screen contents and related settings. /
80	} connection_t;	79	} connection_t;
81		80
82	static connection_t connections[CONSOLE_COUNT]; /*< Array of data for virtual consoles /	81	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 /	82	static keyfield_t interbuffer = NULL; /< Pointer to memory shared with framebufer used for faster virt. console switching /
84		83
85	static int kernel_pixmap = -1; /*< Number of fb pixmap, where kernel console is stored /	84	static int kernel_pixmap = -1; /*< Number of fb pixmap, where kernel console is stored /
86		85
87		86
88	/** Find unused virtual console.	87	/** Find unused virtual console.
89	*	88	*
90	*/	89	*/
91	static int find_free_connection(void)	90	static int find_free_connection(void)
92	{	91	{
93	int i = 0;	92	int i = 0;
94		93
95	for (i=0; i < CONSOLE_COUNT; i++) {	94	for (i=0; i < CONSOLE_COUNT; i++) {
96	if (!connections[i].used)	95	if (!connections[i].used)
97	return i;	96	return i;
98	}	97	}
99	return -1;	98	return -1;
100	}	99	}
101		100
102	static void clrscr(void)	101	static void clrscr(void)
103	{	102	{
104	async_msg(fb_info.phone, FB_CLEAR, 0);	103	async_msg(fb_info.phone, FB_CLEAR, 0);
105	}	104	}
106		105
107	static void curs_visibility(int v)	106	static void curs_visibility(int v)
108	{	107	{
109	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);	108	async_msg(fb_info.phone, FB_CURSOR_VISIBILITY, v);
110	}	109	}
111		110
112	static void curs_goto(int row, int col)	111	static void curs_goto(int row, int col)
113	{	112	{
114	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);	113	async_msg_2(fb_info.phone, FB_CURSOR_GOTO, row, col);
115		114
116	}	115	}
117		116
118	static void set_style(style_t *style)	117	static void set_style(style_t *style)
119	{	118	{
120	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color, style->bg_color);	119	async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color, style->bg_color);
121	}	120	}
122		121
123	static void set_style_col(int fgcolor, int bgcolor)	122	static void set_style_col(int fgcolor, int bgcolor)
124	{	123	{
125	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);	124	async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
126	}	125	}
127		126
128	static void prtchr(char c, int row, int col)	127	static void prtchr(char c, int row, int col)
129	{	128	{
130	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);	129	async_msg_3(fb_info.phone, FB_PUTCHAR, c, row, col);
131		130
132	}	131	}
133		132
134	/** Check key and process special keys.	133	/** Check key and process special keys.
135	*	134	*
136	* */	135	* */
137	static void write_char(int console, char key)	136	static void write_char(int console, char key)
138	{	137	{
139	screenbuffer_t *scr = &(connections[console].screenbuffer);	138	screenbuffer_t *scr = &(connections[console].screenbuffer);
140		139
141	switch (key) {	140	switch (key) {
142	case '\n':	141	case '\n':
143	scr->position_y += 1;	142	scr->position_y += 1;
144	scr->position_x = 0;	143	scr->position_x = 0;
145	break;	144	break;
146	case '\r':	145	case '\r':
147	break;	146	break;
148	case '\t':	147	case '\t':
149	scr->position_x += 8;	148	scr->position_x += 8;
150	scr->position_x -= scr->position_x % 8;	149	scr->position_x -= scr->position_x % 8;
151	break;	150	break;
152	case '\b':	151	case '\b':
153	if (scr->position_x == 0)	152	if (scr->position_x == 0)
154	break;	153	break;
155		154
156	scr->position_x--;	155	scr->position_x--;
157		156
158	if (console == active_console)	157	if (console == active_console)
159	prtchr(' ', scr->position_y, scr->position_x);	158	prtchr(' ', scr->position_y, scr->position_x);
160		159
161	screenbuffer_putchar(scr, ' ');	160	screenbuffer_putchar(scr, ' ');
162		161
163	break;	162	break;
164	default:	163	default:
165	if (console == active_console)	164	if (console == active_console)
166	prtchr(key, scr->position_y, scr->position_x);	165	prtchr(key, scr->position_y, scr->position_x);
167		166
168	screenbuffer_putchar(scr, key);	167	screenbuffer_putchar(scr, key);
169	scr->position_x++;	168	scr->position_x++;
170	}	169	}
171		170
172	scr->position_y += (scr->position_x >= scr->size_x);	171	scr->position_y += (scr->position_x >= scr->size_x);
173		172
174	if (scr->position_y >= scr->size_y) {	173	if (scr->position_y >= scr->size_y) {
175	scr->position_y = scr->size_y - 1;	174	scr->position_y = scr->size_y - 1;
176	screenbuffer_clear_line(scr, scr->top_line);	175	screenbuffer_clear_line(scr, scr->top_line);
177	scr->top_line = (scr->top_line+1) % scr->size_y;	176	scr->top_line = (scr->top_line+1) % scr->size_y;
178	if (console == active_console)	177	if (console == active_console)
179	async_msg(fb_info.phone, FB_SCROLL, 1);	178	async_msg(fb_info.phone, FB_SCROLL, 1);
180	}	179	}
181		180
182	scr->position_x = scr->position_x % scr->size_x;	181	scr->position_x = scr->position_x % scr->size_x;
183		182
184	if (console == active_console)	183	if (console == active_console)
185	curs_goto(scr->position_y, scr->position_x);	184	curs_goto(scr->position_y, scr->position_x);
186		185
187	}	186	}
188		187
189	/** Save current screen to pixmap, draw old pixmap	188	/** Save current screen to pixmap, draw old pixmap
190	*	189	*
191	* @param oldpixmap Old pixmap	190	* @param oldpixmap Old pixmap
192	* @return ID of pixmap of current screen	191	* @return ID of pixmap of current screen
193	*/	192	*/
194	static int switch_screens(int oldpixmap)	193	static int switch_screens(int oldpixmap)
195	{	194	{
196	int newpmap;	195	int newpmap;
197		196
198	/* Save screen */	197	/* Save screen */
199	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);	198	newpmap = async_req(fb_info.phone, FB_VP2PIXMAP, 0, NULL);
200	if (newpmap < 0)	199	if (newpmap < 0)
201	return -1;	200	return -1;
202		201
203	if (oldpixmap != -1) {	202	if (oldpixmap != -1) {
204	/* Show old screen */	203	/* Show old screen */
205	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);
206	/* Drop old pixmap */	205	/* Drop old pixmap */
207	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);	206	async_msg(fb_info.phone, FB_DROP_PIXMAP, oldpixmap);
208	}	207	}
209		208
210	return newpmap;	209	return newpmap;
211	}	210	}
212		211
213	/** Switch to new console */	212	/** Switch to new console */
214	static void change_console(int newcons)	213	static void change_console(int newcons)
215	{	214	{
216	connection_t *conn;	215	connection_t *conn;
217	static int console_pixmap = -1;	216	static int console_pixmap = -1;
218	int i, j, rc;	217	int i, j, rc;
219	keyfield_t *field;	218	keyfield_t *field;
220	style_t *style;	219	style_t *style;
221	char c;	220	char c;
222		221
223	if (newcons == active_console)	222	if (newcons == active_console)
224	return;	223	return;
225		224
226	if (newcons == KERNEL_CONSOLE) {	225	if (newcons == KERNEL_CONSOLE) {
227	if (active_console == KERNEL_CONSOLE)	226	if (active_console == KERNEL_CONSOLE)
228	return;	227	return;
229	active_console = KERNEL_CONSOLE;	228	active_console = KERNEL_CONSOLE;
230	curs_visibility(0);	229	curs_visibility(0);
231		230
232	if (kernel_pixmap == -1) {	231	if (kernel_pixmap == -1) {
233	/* store/restore unsupported */	232	/* store/restore unsupported */
234	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);	233	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
235	clrscr();	234	clrscr();
236	} else {	235	} else {
237	gcons_in_kernel();	236	gcons_in_kernel();
238	console_pixmap = switch_screens(kernel_pixmap);	237	console_pixmap = switch_screens(kernel_pixmap);
239	kernel_pixmap = -1;	238	kernel_pixmap = -1;
240	}	239	}
241		240
242	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);	241	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
243	return;	242	return;
244	}	243	}
245		244
246	if (console_pixmap != -1) {	245	if (console_pixmap != -1) {
247	kernel_pixmap = switch_screens(console_pixmap);	246	kernel_pixmap = switch_screens(console_pixmap);
248	console_pixmap = -1;	247	console_pixmap = -1;
249	}	248	}
250	active_console = newcons;	249	active_console = newcons;
251	gcons_change_console(newcons);	250	gcons_change_console(newcons);
252	conn = &connections[active_console];	251	conn = &connections[active_console];
253		252
254	set_style(&conn->screenbuffer.style);	253	set_style(&conn->screenbuffer.style);
255	curs_visibility(0);	254	curs_visibility(0);
256	if (interbuffer) {	255	if (interbuffer) {
257	for (i = 0; i < conn->screenbuffer.size_x; i++)	256	for (i = 0; i < conn->screenbuffer.size_x; i++)
258	for (j = 0; j < conn->screenbuffer.size_y; j++)	257	for (j = 0; j < conn->screenbuffer.size_y; j++)
259	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);
260	/* This call can preempt, but we are already at the end */	259	/* This call can preempt, but we are already at the end */
261	rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL, NULL);	260	rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL, NULL);
262	};	261	};
263		262
264	if ((!interbuffer) \|\| (rc != 0)) {	263	if ((!interbuffer) \|\| (rc != 0)) {
265	set_style(&conn->screenbuffer.style);	264	set_style(&conn->screenbuffer.style);
266	clrscr();	265	clrscr();
267	style = &conn->screenbuffer.style;	266	style = &conn->screenbuffer.style;
268		267
269	for (j = 0; j < conn->screenbuffer.size_y; j++)	268	for (j = 0; j < conn->screenbuffer.size_y; j++)
270	for (i = 0; i < conn->screenbuffer.size_x; i++) {	269	for (i = 0; i < conn->screenbuffer.size_x; i++) {
271	field = get_field_at(&(conn->screenbuffer),i, j);	270	field = get_field_at(&(conn->screenbuffer),i, j);
272	if (!style_same(*style, field->style))	271	if (!style_same(*style, field->style))
273	set_style(&field->style);	272	set_style(&field->style);
274	style = &field->style;	273	style = &field->style;
275	if ((field->character == ' ') && (style_same(field->style, conn->screenbuffer.style)))	274	if ((field->character == ' ') && (style_same(field->style, conn->screenbuffer.style)))
276	continue;	275	continue;
277		276
278	prtchr(field->character, j, i);	277	prtchr(field->character, j, i);
279	}	278	}
280	}	279	}
281		280
282	curs_goto(conn->screenbuffer.position_y, conn->screenbuffer.position_x);	281	curs_goto(conn->screenbuffer.position_y, conn->screenbuffer.position_x);
283	curs_visibility(conn->screenbuffer.is_cursor_visible);	282	curs_visibility(conn->screenbuffer.is_cursor_visible);
284	}	283	}
285		284
286	/** Handler for keyboard */	285	/** Handler for keyboard */
287	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)
288	{	287	{
289	ipc_callid_t callid;	288	ipc_callid_t callid;
290	ipc_call_t call;	289	ipc_call_t call;
291	int retval;	290	int retval;
292	int c;	291	int c;
293	connection_t *conn;	292	connection_t *conn;
294		293
295	/* Ignore parameters, the connection is alread opened */	294	/* Ignore parameters, the connection is alread opened */
296	while (1) {	295	while (1) {
297	callid = async_get_call(&call);	296	callid = async_get_call(&call);
298	switch (IPC_GET_METHOD(call)) {	297	switch (IPC_GET_METHOD(call)) {
299	case IPC_M_PHONE_HUNGUP:	298	case IPC_M_PHONE_HUNGUP:
300	/* TODO: Handle hangup */	299	/* TODO: Handle hangup */
301	return;	300	return;
302	case KBD_PUSHCHAR:	301	case KBD_PUSHCHAR:
303	/* got key from keyboard driver */	302	/* got key from keyboard driver */
304		303
305	retval = 0;	304	retval = 0;
306	c = IPC_GET_ARG1(call);	305	c = IPC_GET_ARG1(call);
307	/* switch to another virtual console */	306	/* switch to another virtual console */
308		307
309	conn = &connections[active_console];	308	conn = &connections[active_console];
310	// if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {	309	// if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {
311	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {	310	if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
312	async_serialize_start();	311	async_serialize_start();
313	if (c == 0x112)	312	if (c == 0x112)
314	change_console(KERNEL_CONSOLE);	313	change_console(KERNEL_CONSOLE);
315	else	314	else
316	change_console(c - 0x101);	315	change_console(c - 0x101);
317	async_serialize_end();	316	async_serialize_end();
318	break;	317	break;
319	}	318	}
320		319
321	/* if client is awaiting key, send it */	320	/* if client is awaiting key, send it */
322	if (conn->keyrequest_counter > 0) {	321	if (conn->keyrequest_counter > 0) {
323	conn->keyrequest_counter--;	322	conn->keyrequest_counter--;
324	ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);	323	ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);
325	break;	324	break;
326	}	325	}
327		326
328	/FIXME: else store key to its buffer /	327	/FIXME: else store key to its buffer /
329	keybuffer_push(&conn->keybuffer, c);	328	keybuffer_push(&conn->keybuffer, c);
330		329
331	break;	330	break;
332	default:	331	default:
333	retval = ENOENT;	332	retval = ENOENT;
334	}	333	}
335	ipc_answer_fast(callid, retval, 0, 0);	334	ipc_answer_fast(callid, retval, 0, 0);
336	}	335	}
337	}	336	}
338		337
339	/** Default thread for new connections */	338	/** Default thread for new connections */
340	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)
341	{	340	{
342	ipc_callid_t callid;	341	ipc_callid_t callid;
343	ipc_call_t call;	342	ipc_call_t call;
344	int consnum;	343	int consnum;
345	ipcarg_t arg1, arg2;	344	ipcarg_t arg1, arg2;
346	connection_t *conn;	345	connection_t *conn;
347		346
348	if ((consnum = find_free_connection()) == -1) {	347	if ((consnum = find_free_connection()) == -1) {
349	ipc_answer_fast(iid,ELIMIT,0,0);	348	ipc_answer_fast(iid,ELIMIT,0,0);
350	return;	349	return;
351	}	350	}
352	conn = &connections[consnum];	351	conn = &connections[consnum];
353	conn->used = 1;	352	conn->used = 1;
354		353
355	async_serialize_start();	354	async_serialize_start();
356	gcons_notify_connect(consnum);	355	gcons_notify_connect(consnum);
357	conn->client_phone = IPC_GET_ARG3(call);	356	conn->client_phone = IPC_GET_ARG3(call);
358	screenbuffer_clear(&conn->screenbuffer);	357	screenbuffer_clear(&conn->screenbuffer);
359		358
360	/* Accept the connection */	359	/* Accept the connection */
361	ipc_answer_fast(iid,0,0,0);	360	ipc_answer_fast(iid,0,0,0);
362		361
363	while (1) {	362	while (1) {
364	async_serialize_end();	363	async_serialize_end();
365	callid = async_get_call(&call);	364	callid = async_get_call(&call);
366	async_serialize_start();	365	async_serialize_start();
367		366
368	arg1 = arg2 = 0;	367	arg1 = arg2 = 0;
369	switch (IPC_GET_METHOD(call)) {	368	switch (IPC_GET_METHOD(call)) {
370	case IPC_M_PHONE_HUNGUP:	369	case IPC_M_PHONE_HUNGUP:
371	gcons_notify_disconnect(consnum);	370	gcons_notify_disconnect(consnum);
372		371
373	/* Answer all pending requests */	372	/* Answer all pending requests */
374	while (conn->keyrequest_counter > 0) {	373	while (conn->keyrequest_counter > 0) {
375	conn->keyrequest_counter--;	374	conn->keyrequest_counter--;
376	ipc_answer_fast(fifo_pop(conn->keyrequests), ENOENT, 0, 0);	375	ipc_answer_fast(fifo_pop(conn->keyrequests), ENOENT, 0, 0);
377	break;	376	break;
378	}	377	}
379	conn->used = 0;	378	conn->used = 0;
380	return;	379	return;
381	case CONSOLE_PUTCHAR:	380	case CONSOLE_PUTCHAR:
382	write_char(consnum, IPC_GET_ARG1(call));	381	write_char(consnum, IPC_GET_ARG1(call));
383	gcons_notify_char(consnum);	382	gcons_notify_char(consnum);
384	break;	383	break;
385	case CONSOLE_CLEAR:	384	case CONSOLE_CLEAR:
386	/* Send message to fb */	385	/* Send message to fb */
387	if (consnum == active_console) {	386	if (consnum == active_console) {
388	async_msg(fb_info.phone, FB_CLEAR, 0);	387	async_msg(fb_info.phone, FB_CLEAR, 0);
389	}	388	}
390		389
391	screenbuffer_clear(&conn->screenbuffer);	390	screenbuffer_clear(&conn->screenbuffer);
392		391
393	break;	392	break;
394	case CONSOLE_GOTO:	393	case CONSOLE_GOTO:
395		394
396	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));
397	if (consnum == active_console)	396	if (consnum == active_console)
398	curs_goto(IPC_GET_ARG1(call),IPC_GET_ARG2(call));	397	curs_goto(IPC_GET_ARG1(call),IPC_GET_ARG2(call));
399		398
400	break;	399	break;
401		400
402	case CONSOLE_GETSIZE:	401	case CONSOLE_GETSIZE:
403	arg1 = fb_info.rows;	402	arg1 = fb_info.rows;
404	arg2 = fb_info.cols;	403	arg2 = fb_info.cols;
405	break;	404	break;
406	case CONSOLE_FLUSH:	405	case CONSOLE_FLUSH:
407	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);
408	break;	407	break;
409	case CONSOLE_SET_STYLE:	408	case CONSOLE_SET_STYLE:
410		409
411	arg1 = IPC_GET_ARG1(call);	410	arg1 = IPC_GET_ARG1(call);
412	arg2 = IPC_GET_ARG2(call);	411	arg2 = IPC_GET_ARG2(call);
413	screenbuffer_set_style(&conn->screenbuffer,arg1, arg2);	412	screenbuffer_set_style(&conn->screenbuffer,arg1, arg2);
414	if (consnum == active_console)	413	if (consnum == active_console)
415	set_style_col(arg1, arg2);	414	set_style_col(arg1, arg2);
416		415
417	break;	416	break;
418	case CONSOLE_CURSOR_VISIBILITY:	417	case CONSOLE_CURSOR_VISIBILITY:
419	arg1 = IPC_GET_ARG1(call);	418	arg1 = IPC_GET_ARG1(call);
420	conn->screenbuffer.is_cursor_visible = arg1;	419	conn->screenbuffer.is_cursor_visible = arg1;
421	if (consnum == active_console)	420	if (consnum == active_console)
422	curs_visibility(arg1);	421	curs_visibility(arg1);
423	break;	422	break;
424	case CONSOLE_GETCHAR:	423	case CONSOLE_GETCHAR:
425	if (keybuffer_empty(&conn->keybuffer)) {	424	if (keybuffer_empty(&conn->keybuffer)) {
426	/* buffer is empty -> store request */	425	/* buffer is empty -> store request */
427	if (conn->keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {	426	if (conn->keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {
428	fifo_push(conn->keyrequests, callid);	427	fifo_push(conn->keyrequests, callid);
429	conn->keyrequest_counter++;	428	conn->keyrequest_counter++;
430	} else {	429	} else {
431	/* no key available and too many requests => fail */	430	/* no key available and too many requests => fail */
432	ipc_answer_fast(callid, ELIMIT, 0, 0);	431	ipc_answer_fast(callid, ELIMIT, 0, 0);
433	}	432	}
434	continue;	433	continue;
435	};	434	};
436	keybuffer_pop(&conn->keybuffer, (int *)&arg1);	435	keybuffer_pop(&conn->keybuffer, (int *)&arg1);
437		436
438	break;	437	break;
439	}	438	}
440	ipc_answer_fast(callid, 0, arg1, arg2);	439	ipc_answer_fast(callid, 0, arg1, arg2);
441	}	440	}
442	}	441	}
443		442
444	int main(int argc, char *argv[])	443	int main(int argc, char *argv[])
445	{	444	{
446	ipcarg_t phonehash;	445	ipcarg_t phonehash;
447	int kbd_phone, fb_phone;	446	int kbd_phone, fb_phone;
448	ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;	447	ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;
449	int i;	448	int i;
450		449
451	async_set_client_connection(client_connection);	450	async_set_client_connection(client_connection);
452		451
453	/* Connect to keyboard driver */	452	/* Connect to keyboard driver */
454		453
455	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) {
456	usleep(10000);	455	usleep(10000);
457	};	456	};
458		457
459	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) {
460	return -1;	459	return -1;
461	};	460	};
462	async_new_connection(phonehash, 0, NULL, keyboard_events);	461	async_new_connection(phonehash, 0, NULL, keyboard_events);
463		462
464	/* Connect to framebuffer driver */	463	/* Connect to framebuffer driver */
465		464
466	while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {	465	while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {
467	usleep(10000);	466	usleep(10000);
468	}	467	}
469		468
470	/* Save old kernel screen */	469	/* Save old kernel screen */
471	kernel_pixmap = switch_screens(-1);	470	kernel_pixmap = switch_screens(-1);
472		471
473	/* Initialize gcons */	472	/* Initialize gcons */
474	gcons_init(fb_info.phone);	473	gcons_init(fb_info.phone);
475	/* Synchronize, the gcons can have something in queue */	474	/* Synchronize, the gcons can have something in queue */
476	async_req(fb_info.phone, FB_FLUSH, 0, NULL);	475	async_req(fb_info.phone, FB_FLUSH, 0, NULL);
477	/* Enable double buffering */	476	/* Enable double buffering */
478	async_msg_2(fb_info.phone, FB_VIEWPORT_DB, (sysarg_t)-1, 1);	477	async_msg_2(fb_info.phone, FB_VIEWPORT_DB, (sysarg_t)-1, 1);
479		478
480	async_req_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));	479	async_req_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));
481	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);	480	set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
482	clrscr();	481	clrscr();
483		482
484	/* Init virtual consoles */	483	/* Init virtual consoles */
485	for (i = 0; i < CONSOLE_COUNT; i++) {	484	for (i = 0; i < CONSOLE_COUNT; i++) {
486	connections[i].used = 0;	485	connections[i].used = 0;
487	keybuffer_init(&(connections[i].keybuffer));	486	keybuffer_init(&(connections[i].keybuffer));
488		487
489	connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;	488	connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;
490	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;	489	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
491	connections[i].keyrequest_counter = 0;	490	connections[i].keyrequest_counter = 0;
492		491
493	if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {	492	if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {
494	/FIXME: handle error /	493	/FIXME: handle error /
495	return -1;	494	return -1;
496	}	495	}
497	}	496	}
498	connections[KERNEL_CONSOLE].used = 1;	497	connections[KERNEL_CONSOLE].used = 1;
499		498

Subversion Repositories HelenOS-historic

(root)/uspace/trunk/console/console.c – Rev 1689 → 1694