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.
 */
 
 
#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;
 
connection_t connections[CONSOLE_COUNT];    /**< Array of data for virtual consoles */
keyfield_t *interbuffer = NULL;         /**< Pointer to memory shared with framebufer used for faster virt. console switching */
 
 
 
/** Find unused virtual console.
 *
 */
static int find_free_connection()
{
    int i = 0;
   
    while (i < CONSOLE_COUNT) {
        if (connections[i].used == 0)
            return i;
        ++i;
    }
    return CONSOLE_COUNT;
}
 
/** Find index of virtual console used by client with given phone.
 *
 */
static int find_connection(int client_phone)
{
    int i = 0;
   
    while (i < CONSOLE_COUNT) {
        if (connections[i].client_phone == client_phone)
            return i;
        ++i;
    }
    return  CONSOLE_COUNT;
}
 
/** 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) {
                nsend_call_3(fb_info.phone, FB_PUTCHAR, ' ', scr->position_y, scr->position_x);
            }
   
            screenbuffer_putchar(scr, ' ');
           
            break;
        default:   
            if (console == active_console) {
                nsend_call_3(fb_info.phone, FB_PUTCHAR, 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)
            nsend_call(fb_info.phone, FB_SCROLL, 1);
    }
   
    scr->position_x = scr->position_x % scr->size_x;
   
    if (console == active_console) 
        send_call_2(fb_info.phone, FB_CURSOR_GOTO, scr->position_y, scr->position_x);
   
}
 
 
/** 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 i, j;
    char c,d;
    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:
            ipc_answer_fast(callid,0,0,0);
            /* 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 >= '0') && (c < '0' + CONSOLE_COUNT)) {
                if (c == '0') {
                    /* switch to kernel console*/
                    nsend_call(fb_info.phone, FB_CURSOR_VISIBILITY, 0);
                    nsend_call_2(fb_info.phone, FB_SET_STYLE, DEFAULT_FOREGROUND_COLOR, DEFAULT_BACKGROUND_COLOR);
                    nsend_call(fb_info.phone, FB_CLEAR, 0);
                    /* FIXME: restore kernel console */
                     __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
                     break;
                     
                } else {
                    c = c - '1';
                    if (c == active_console)
                        break;
                    active_console = c;
                    gcons_change_console(c);
               
                }
               
                conn = &connections[active_console];
 
                nsend_call(fb_info.phone, FB_CURSOR_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);
                           
                    sync_send_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL, NULL);       
                } else {
                    nsend_call(fb_info.phone, FB_CLEAR, 0);
               
                   
                    for (i = 0; i < conn->screenbuffer.size_x; i++)
                        for (j = 0; j < conn->screenbuffer.size_y; j++) {
                            d = get_field_at(&(conn->screenbuffer),i, j)->character;
                            if (d && d != ' ')
                                nsend_call_3(fb_info.phone, FB_PUTCHAR, d, j, i);
                        }
 
                }
                nsend_call_2(fb_info.phone, FB_CURSOR_GOTO, conn->screenbuffer.position_y, conn->screenbuffer.position_x);
                nsend_call_2(fb_info.phone, FB_SET_STYLE, conn->screenbuffer.style.fg_color, \
                        conn->screenbuffer.style.bg_color);
                send_call(fb_info.phone, FB_CURSOR_VISIBILITY, 1);
 
                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;
 
    if ((consnum = find_free_connection()) == CONSOLE_COUNT) {
        ipc_answer_fast(iid,ELIMIT,0,0);
        return;
    }
 
    connections[consnum].used = 1;
    connections[consnum].client_phone = IPC_GET_ARG3(call);
    screenbuffer_clear(&(connections[consnum].screenbuffer));
   
    /* Accept the connection */
    ipc_answer_fast(iid,0,0,0);
   
    while (1) {
        callid = async_get_call(&call);
        arg1 = arg2 = 0;
        switch (IPC_GET_METHOD(call)) {
        case IPC_M_PHONE_HUNGUP:
            /* TODO */
            ipc_answer_fast(callid, 0,0,0);
            return;
        case CONSOLE_PUTCHAR:
            write_char(consnum, IPC_GET_ARG1(call));
            break;
        case CONSOLE_CLEAR:
            /* Send message to fb */
            if (consnum == active_console) {
                send_call(fb_info.phone, FB_CLEAR, 0);
            }
           
            screenbuffer_clear(&(connections[consnum].screenbuffer));
           
            break;
        case CONSOLE_GOTO:
           
            screenbuffer_goto(&(connections[consnum].screenbuffer), IPC_GET_ARG1(call), IPC_GET_ARG2(call));
           
            break;
 
        case CONSOLE_GETSIZE:
            arg1 = fb_info.cols;
            arg2 = fb_info.rows;
            break;
        case CONSOLE_FLUSH:
            sync_send_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(&(connections[consnum]),arg1, arg2);
            if (consnum == active_console)
                nsend_call_2(fb_info.phone, FB_SET_STYLE, arg1, arg2);
               
            break;
        case CONSOLE_GETCHAR:
            if (keybuffer_empty(&(connections[consnum].keybuffer))) {
                /* buffer is empty -> store request */
                if (connections[consnum].keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {      
                    fifo_push(connections[consnum].keyrequests, callid);
                    connections[consnum].keyrequest_counter++;
                } else {
                    /* no key available and too many requests => fail */
                    ipc_answer_fast(callid, ELIMIT, 0, 0);
                }
                continue;
            };
            keybuffer_pop(&(connections[consnum].keybuffer), (char *)&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);
    }
 
    /* Initialize gcons */
    gcons_init(fb_info.phone);
    /* Synchronize, the gcons can have something in queue */
    sync_send_2(fb_info.phone, FB_GET_CSIZE, 0, 0, NULL, NULL);
 
   
    ipc_call_sync_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));
    nsend_call_2(fb_info.phone, FB_SET_STYLE, DEFAULT_FOREGROUND_COLOR, DEFAULT_BACKGROUND_COLOR);
    nsend_call(fb_info.phone, FB_CLEAR, 0);
   
    /* 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;
        }
    }
   
    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 (ipc_call_sync_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)interbuffer, 0, AS_AREA_READ | AS_AREA_CACHEABLE, NULL, NULL, NULL) != 0) {
            munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols * fb_info.rows);
            interbuffer = NULL;
        }
    }
 
    /* FIXME: save kernel console screen */
   
    async_new_connection(phonehash, 0, NULL, keyboard_events);
   
    sync_send_2(fb_info.phone, FB_CURSOR_GOTO, 0, 0, NULL, NULL);
    nsend_call(fb_info.phone, FB_CURSOR_VISIBILITY, 1);
 
    /* Register at NS */
    if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
        return -1;
    };
   
    async_manager();
 
    return 0;  
}
 
 

Rev 1525	Rev 1526
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		29
30	#include <kbd.h>	30	#include <kbd.h>
31	#include <fb.h>	31	#include <fb.h>
32	#include <ipc/ipc.h>	32	#include <ipc/ipc.h>
33	#include <ipc/fb.h>	33	#include <ipc/fb.h>
34	#include <ipc/services.h>	34	#include <ipc/services.h>
35	#include <errno.h>	35	#include <errno.h>
36	#include <key_buffer.h>	36	#include <key_buffer.h>
37	#include <console.h>	37	#include <console.h>
38	#include <unistd.h>	38	#include <unistd.h>
39	#include <async.h>	39	#include <async.h>
40	#include <libadt/fifo.h>	40	#include <libadt/fifo.h>
41	#include <screenbuffer.h>	41	#include <screenbuffer.h>
42	#include <sys/mman.h>	42	#include <sys/mman.h>
43		43
44	#include "gcons.h"	44	#include "gcons.h"
45		45
46	#define MAX_KEYREQUESTS_BUFFERED 32	46	#define MAX_KEYREQUESTS_BUFFERED 32
47		47
48	#define NAME "CONSOLE"	48	#define NAME "CONSOLE"
49		49
-		50	/** Index of currently used virtual console.
-		51	*/
50	int active_console = 0;	52	int active_console = 0;
51		53
-		54	/** Information about framebuffer
-		55	*/
52	struct {	56	struct {
53	int phone; /*< Framebuffer phone /	57	int phone; /*< Framebuffer phone /
54	ipcarg_t rows; /*< Framebuffer rows /	58	ipcarg_t rows; /*< Framebuffer rows /
55	ipcarg_t cols; /*< Framebuffer columns /	59	ipcarg_t cols; /*< Framebuffer columns /
56	} fb_info;	60	} fb_info;
57		61
-		62
58	typedef struct {	63	typedef struct {
59	keybuffer_t keybuffer;	64	keybuffer_t keybuffer; /*< Buffer for incoming keys. /
60	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED);	65	FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED); /*< Buffer for unsatisfied request for keys. /
61	int keyrequest_counter;	66	int keyrequest_counter; /*< Number of requests in buffer. /
62	int client_phone;	67	int client_phone; /*< Phone to connected client. /
63	int used;	68	int used; /*< 1 if this virtual console is connected to some client./
64	screenbuffer_t screenbuffer;	69	screenbuffer_t screenbuffer; /*< Screenbuffer for saving screen contents and related settings. /
65	} connection_t;	70	} connection_t;
66		71
-		72	connection_t connections[CONSOLE_COUNT]; /*< Array of data for virtual consoles /
-		73	keyfield_t interbuffer = NULL; /< Pointer to memory shared with framebufer used for faster virt. console switching /
67		74
68		75
69	connection_t connections[CONSOLE_COUNT];	-
70	keyfield_t *interbuffer = NULL;	76	/** Find unused virtual console.
71		77	*
-		78	*/
72	static int find_free_connection()	79	static int find_free_connection()
73	{	80	{
74	int i = 0;	81	int i = 0;
75		82
76	while (i < CONSOLE_COUNT) {	83	while (i < CONSOLE_COUNT) {
77	if (connections[i].used == 0)	84	if (connections[i].used == 0)
78	return i;	85	return i;
79	++i;	86	++i;
80	}	87	}
81	return CONSOLE_COUNT;	88	return CONSOLE_COUNT;
82	}	89	}
83		90
-		91	/** Find index of virtual console used by client with given phone.
84		92	*
-		93	*/
85	static int find_connection(int client_phone)	94	static int find_connection(int client_phone)
86	{	95	{
87	int i = 0;	96	int i = 0;
88		97
89	while (i < CONSOLE_COUNT) {	98	while (i < CONSOLE_COUNT) {
90	if (connections[i].client_phone == client_phone)	99	if (connections[i].client_phone == client_phone)
91	return i;	100	return i;
92	++i;	101	++i;
93	}	102	}
94	return CONSOLE_COUNT;	103	return CONSOLE_COUNT;
95	}	104	}
96		105
97	/** Check key and process special keys.	106	/** Check key and process special keys.
98	*	107	*
99	* */	108	* */
100	static void write_char(int console, char key)	109	static void write_char(int console, char key)
101	{	110	{
102	screenbuffer_t *scr = &(connections[console].screenbuffer);	111	screenbuffer_t *scr = &(connections[console].screenbuffer);
103		112
104	switch (key) {	113	switch (key) {
105	case '\n':	114	case '\n':
106	scr->position_y += 1;	115	scr->position_y += 1;
107	scr->position_x = 0;	116	scr->position_x = 0;
108	break;	117	break;
109	case '\r':	118	case '\r':
110	break;	119	break;
111	case '\t':	120	case '\t':
112	scr->position_x += 8;	121	scr->position_x += 8;
113	scr->position_x -= scr->position_x % 8;	122	scr->position_x -= scr->position_x % 8;
114	break;	123	break;
115	case '\b':	124	case '\b':
116	if (scr->position_x == 0)	125	if (scr->position_x == 0)
117	break;	126	break;
118		127
119	scr->position_x--;	128	scr->position_x--;
120		129
121	if (console == active_console) {	130	if (console == active_console) {
122	nsend_call_3(fb_info.phone, FB_PUTCHAR, ' ', scr->position_y, scr->position_x);	131	nsend_call_3(fb_info.phone, FB_PUTCHAR, ' ', scr->position_y, scr->position_x);
123	}	132	}
124		133
125	screenbuffer_putchar(scr, ' ');	134	screenbuffer_putchar(scr, ' ');
126		135
127	break;	136	break;
128	default:	137	default:
129	if (console == active_console) {	138	if (console == active_console) {
130	nsend_call_3(fb_info.phone, FB_PUTCHAR, key, scr->position_y, scr->position_x);	139	nsend_call_3(fb_info.phone, FB_PUTCHAR, key, scr->position_y, scr->position_x);
131	}	140	}
132		141
133	screenbuffer_putchar(scr, key);	142	screenbuffer_putchar(scr, key);
134	scr->position_x++;	143	scr->position_x++;
135	}	144	}
136		145
137	scr->position_y += (scr->position_x >= scr->size_x);	146	scr->position_y += (scr->position_x >= scr->size_x);
138		147
139	if (scr->position_y >= scr->size_y) {	148	if (scr->position_y >= scr->size_y) {
140	scr->position_y = scr->size_y - 1;	149	scr->position_y = scr->size_y - 1;
141	screenbuffer_clear_line(scr, scr->top_line++);	150	screenbuffer_clear_line(scr, scr->top_line++);
142	if (console == active_console)	151	if (console == active_console)
143	nsend_call(fb_info.phone, FB_SCROLL, 1);	152	nsend_call(fb_info.phone, FB_SCROLL, 1);
144	}	153	}
145		154
146	scr->position_x = scr->position_x % scr->size_x;	155	scr->position_x = scr->position_x % scr->size_x;
147		156
148	if (console == active_console)	157	if (console == active_console)
149	send_call_2(fb_info.phone, FB_CURSOR_GOTO, scr->position_y, scr->position_x);	158	send_call_2(fb_info.phone, FB_CURSOR_GOTO, scr->position_y, scr->position_x);
150		159
151	}	160	}
152		161
153		162
154	/* Handler for keyboard */	163	/** Handler for keyboard */
155	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)	164	static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
156	{	165	{
157	ipc_callid_t callid;	166	ipc_callid_t callid;
158	ipc_call_t call;	167	ipc_call_t call;
159	int retval;	168	int retval;
160	int i, j;	169	int i, j;
161	char c,d;	170	char c,d;
162	connection_t *conn;	171	connection_t *conn;
163		172
164	/* Ignore parameters, the connection is alread opened */	173	/* Ignore parameters, the connection is alread opened */
165	while (1) {	174	while (1) {
166	callid = async_get_call(&call);	175	callid = async_get_call(&call);
167	switch (IPC_GET_METHOD(call)) {	176	switch (IPC_GET_METHOD(call)) {
168	case IPC_M_PHONE_HUNGUP:	177	case IPC_M_PHONE_HUNGUP:
169	ipc_answer_fast(callid,0,0,0);	178	ipc_answer_fast(callid,0,0,0);
170	/* TODO: Handle hangup */	179	/* TODO: Handle hangup */
171	return;	180	return;
172	case KBD_PUSHCHAR:	181	case KBD_PUSHCHAR:
173	/* got key from keyboard driver */	182	/* got key from keyboard driver */
174		183
175	retval = 0;	184	retval = 0;
176	c = IPC_GET_ARG1(call);	185	c = IPC_GET_ARG1(call);
177	/* switch to another virtual console */	186	/* switch to another virtual console */
178		187
179	conn = &connections[active_console];	188	conn = &connections[active_console];
180	// if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {	189	// if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {
181	if ((c >= '0') && (c < '0' + CONSOLE_COUNT)) {	190	if ((c >= '0') && (c < '0' + CONSOLE_COUNT)) {
182	if (c == '0') {	191	if (c == '0') {
183	/* switch to kernel console*/	192	/* switch to kernel console*/
184	nsend_call(fb_info.phone, FB_CURSOR_VISIBILITY, 0);	193	nsend_call(fb_info.phone, FB_CURSOR_VISIBILITY, 0);
185	nsend_call_2(fb_info.phone, FB_SET_STYLE, DEFAULT_FOREGROUND_COLOR, DEFAULT_BACKGROUND_COLOR);	194	nsend_call_2(fb_info.phone, FB_SET_STYLE, DEFAULT_FOREGROUND_COLOR, DEFAULT_BACKGROUND_COLOR);
186	nsend_call(fb_info.phone, FB_CLEAR, 0);	195	nsend_call(fb_info.phone, FB_CLEAR, 0);
187	/* FIXME: restore kernel console */	196	/* FIXME: restore kernel console */
188	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);	197	__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
189	break;	198	break;
190		199
191	} else {	200	} else {
192	c = c - '1';	201	c = c - '1';
193	if (c == active_console)	202	if (c == active_console)
194	break;	203	break;
195	active_console = c;	204	active_console = c;
196	gcons_change_console(c);	205	gcons_change_console(c);
197		206
198	}	207	}
199		208
200	conn = &connections[active_console];	209	conn = &connections[active_console];
201		210
202	nsend_call(fb_info.phone, FB_CURSOR_VISIBILITY, 0);	211	nsend_call(fb_info.phone, FB_CURSOR_VISIBILITY, 0);
203		212
204	if (interbuffer) {	213	if (interbuffer) {
205	for (i = 0; i < conn->screenbuffer.size_x; i++)	214	for (i = 0; i < conn->screenbuffer.size_x; i++)
206	for (j = 0; j < conn->screenbuffer.size_y; j++)	215	for (j = 0; j < conn->screenbuffer.size_y; j++)
207	interbuffer[i + jconn->screenbuffer.size_x] = get_field_at(&(conn->screenbuffer),i, j);	216	interbuffer[i + jconn->screenbuffer.size_x] = get_field_at(&(conn->screenbuffer),i, j);
208		217
209	sync_send_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL, NULL);	218	sync_send_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL, NULL);
210	} else {	219	} else {
211	nsend_call(fb_info.phone, FB_CLEAR, 0);	220	nsend_call(fb_info.phone, FB_CLEAR, 0);
212		221
213		222
214	for (i = 0; i < conn->screenbuffer.size_x; i++)	223	for (i = 0; i < conn->screenbuffer.size_x; i++)
215	for (j = 0; j < conn->screenbuffer.size_y; j++) {	224	for (j = 0; j < conn->screenbuffer.size_y; j++) {
216	d = get_field_at(&(conn->screenbuffer),i, j)->character;	225	d = get_field_at(&(conn->screenbuffer),i, j)->character;
217	if (d && d != ' ')	226	if (d && d != ' ')
218	nsend_call_3(fb_info.phone, FB_PUTCHAR, d, j, i);	227	nsend_call_3(fb_info.phone, FB_PUTCHAR, d, j, i);
219	}	228	}
220		229
221	}	230	}
222	nsend_call_2(fb_info.phone, FB_CURSOR_GOTO, conn->screenbuffer.position_y, conn->screenbuffer.position_x);	231	nsend_call_2(fb_info.phone, FB_CURSOR_GOTO, conn->screenbuffer.position_y, conn->screenbuffer.position_x);
223	nsend_call_2(fb_info.phone, FB_SET_STYLE, conn->screenbuffer.style.fg_color, \	232	nsend_call_2(fb_info.phone, FB_SET_STYLE, conn->screenbuffer.style.fg_color, \
224	conn->screenbuffer.style.bg_color);	233	conn->screenbuffer.style.bg_color);
225	send_call(fb_info.phone, FB_CURSOR_VISIBILITY, 1);	234	send_call(fb_info.phone, FB_CURSOR_VISIBILITY, 1);
226		235
227	break;	236	break;
228	}	237	}
229		238
230	/* if client is awaiting key, send it */	239	/* if client is awaiting key, send it */
231	if (conn->keyrequest_counter > 0) {	240	if (conn->keyrequest_counter > 0) {
232	conn->keyrequest_counter--;	241	conn->keyrequest_counter--;
233	ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);	242	ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);
234	break;	243	break;
235	}	244	}
236		245
237	/FIXME: else store key to its buffer /	246	/FIXME: else store key to its buffer /
238	keybuffer_push(&conn->keybuffer, c);	247	keybuffer_push(&conn->keybuffer, c);
239		248
240	break;	249	break;
241	default:	250	default:
242	retval = ENOENT;	251	retval = ENOENT;
243	}	252	}
244	ipc_answer_fast(callid, retval, 0, 0);	253	ipc_answer_fast(callid, retval, 0, 0);
245	}	254	}
246	}	255	}
247		256
248	/** Default thread for new connections */	257	/** Default thread for new connections */
249	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)	258	static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
250	{	259	{
251	ipc_callid_t callid;	260	ipc_callid_t callid;
252	ipc_call_t call;	261	ipc_call_t call;
253	int consnum;	262	int consnum;
254	ipcarg_t arg1, arg2;	263	ipcarg_t arg1, arg2;
255		264
256	if ((consnum = find_free_connection()) == CONSOLE_COUNT) {	265	if ((consnum = find_free_connection()) == CONSOLE_COUNT) {
257	ipc_answer_fast(iid,ELIMIT,0,0);	266	ipc_answer_fast(iid,ELIMIT,0,0);
258	return;	267	return;
259	}	268	}
260		269
261	connections[consnum].used = 1;	270	connections[consnum].used = 1;
262	connections[consnum].client_phone = IPC_GET_ARG3(call);	271	connections[consnum].client_phone = IPC_GET_ARG3(call);
263	screenbuffer_clear(&(connections[consnum].screenbuffer));	272	screenbuffer_clear(&(connections[consnum].screenbuffer));
264		273
265	/* Accept the connection */	274	/* Accept the connection */
266	ipc_answer_fast(iid,0,0,0);	275	ipc_answer_fast(iid,0,0,0);
267		276
268	while (1) {	277	while (1) {
269	callid = async_get_call(&call);	278	callid = async_get_call(&call);
270	arg1 = arg2 = 0;	279	arg1 = arg2 = 0;
271	switch (IPC_GET_METHOD(call)) {	280	switch (IPC_GET_METHOD(call)) {
272	case IPC_M_PHONE_HUNGUP:	281	case IPC_M_PHONE_HUNGUP:
273	/* TODO */	282	/* TODO */
274	ipc_answer_fast(callid, 0,0,0);	283	ipc_answer_fast(callid, 0,0,0);
275	return;	284	return;
276	case CONSOLE_PUTCHAR:	285	case CONSOLE_PUTCHAR:
277	write_char(consnum, IPC_GET_ARG1(call));	286	write_char(consnum, IPC_GET_ARG1(call));
278	break;	287	break;
279	case CONSOLE_CLEAR:	288	case CONSOLE_CLEAR:
280	/* Send message to fb */	289	/* Send message to fb */
281	if (consnum == active_console) {	290	if (consnum == active_console) {
282	send_call(fb_info.phone, FB_CLEAR, 0);	291	send_call(fb_info.phone, FB_CLEAR, 0);
283	}	292	}
284		293
285	screenbuffer_clear(&(connections[consnum].screenbuffer));	294	screenbuffer_clear(&(connections[consnum].screenbuffer));
286		295
287	break;	296	break;
288	case CONSOLE_GOTO:	297	case CONSOLE_GOTO:
289		298
290	screenbuffer_goto(&(connections[consnum].screenbuffer), IPC_GET_ARG1(call), IPC_GET_ARG2(call));	299	screenbuffer_goto(&(connections[consnum].screenbuffer), IPC_GET_ARG1(call), IPC_GET_ARG2(call));
291		300
292	break;	301	break;
293		302
294	case CONSOLE_GETSIZE:	303	case CONSOLE_GETSIZE:
295	arg1 = fb_info.cols;	304	arg1 = fb_info.cols;
296	arg2 = fb_info.rows;	305	arg2 = fb_info.rows;
297	break;	306	break;
298	case CONSOLE_FLUSH:	307	case CONSOLE_FLUSH:
299	sync_send_2(fb_info.phone, FB_FLUSH, 0, 0, NULL, NULL);	308	sync_send_2(fb_info.phone, FB_FLUSH, 0, 0, NULL, NULL);
300	break;	309	break;
301	case CONSOLE_SET_STYLE:	310	case CONSOLE_SET_STYLE:
302		311
303	arg1 = IPC_GET_ARG1(call);	312	arg1 = IPC_GET_ARG1(call);
304	arg2 = IPC_GET_ARG2(call);	313	arg2 = IPC_GET_ARG2(call);
305	screenbuffer_set_style(&(connections[consnum]),arg1, arg2);	314	screenbuffer_set_style(&(connections[consnum]),arg1, arg2);
306	if (consnum == active_console)	315	if (consnum == active_console)
307	nsend_call_2(fb_info.phone, FB_SET_STYLE, arg1, arg2);	316	nsend_call_2(fb_info.phone, FB_SET_STYLE, arg1, arg2);
308		317
309	break;	318	break;
310	case CONSOLE_GETCHAR:	319	case CONSOLE_GETCHAR:
311	if (keybuffer_empty(&(connections[consnum].keybuffer))) {	320	if (keybuffer_empty(&(connections[consnum].keybuffer))) {
312	/* buffer is empty -> store request */	321	/* buffer is empty -> store request */
313	if (connections[consnum].keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {	322	if (connections[consnum].keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {
314	fifo_push(connections[consnum].keyrequests, callid);	323	fifo_push(connections[consnum].keyrequests, callid);
315	connections[consnum].keyrequest_counter++;	324	connections[consnum].keyrequest_counter++;
316	} else {	325	} else {
317	/* no key available and too many requests => fail */	326	/* no key available and too many requests => fail */
318	ipc_answer_fast(callid, ELIMIT, 0, 0);	327	ipc_answer_fast(callid, ELIMIT, 0, 0);
319	}	328	}
320	continue;	329	continue;
321	};	330	};
322	keybuffer_pop(&(connections[consnum].keybuffer), (char *)&arg1);	331	keybuffer_pop(&(connections[consnum].keybuffer), (char *)&arg1);
323		332
324	break;	333	break;
325	}	334	}
326	ipc_answer_fast(callid, 0, arg1, arg2);	335	ipc_answer_fast(callid, 0, arg1, arg2);
327	}	336	}
328	}	337	}
329		338
330	int main(int argc, char *argv[])	339	int main(int argc, char *argv[])
331	{	340	{
332	ipcarg_t phonehash;	341	ipcarg_t phonehash;
333	int kbd_phone, fb_phone;	342	int kbd_phone, fb_phone;
334	ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;	343	ipcarg_t retval, arg1 = 0xdead, arg2 = 0xbeef;
335	int i;	344	int i;
336		345
337	async_set_client_connection(client_connection);	346	async_set_client_connection(client_connection);
338		347
339	/* Connect to keyboard driver */	348	/* Connect to keyboard driver */
340		349
341	while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {	350	while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {
342	usleep(10000);	351	usleep(10000);
343	};	352	};
344		353
345	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {	354	if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {
346	return -1;	355	return -1;
347	};	356	};
348		357
349	/* Connect to framebuffer driver */	358	/* Connect to framebuffer driver */
350		359
351	while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {	360	while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {
352	usleep(10000);	361	usleep(10000);
353	}	362	}
354		363
355	/* Initialize gcons */	364	/* Initialize gcons */
356	gcons_init(fb_info.phone);	365	gcons_init(fb_info.phone);
357	/* Synchronize, the gcons can have something in queue */	366	/* Synchronize, the gcons can have something in queue */
358	sync_send_2(fb_info.phone, FB_GET_CSIZE, 0, 0, NULL, NULL);	367	sync_send_2(fb_info.phone, FB_GET_CSIZE, 0, 0, NULL, NULL);
359		368
360		369
361	ipc_call_sync_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));	370	ipc_call_sync_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));
362	nsend_call_2(fb_info.phone, FB_SET_STYLE, DEFAULT_FOREGROUND_COLOR, DEFAULT_BACKGROUND_COLOR);	371	nsend_call_2(fb_info.phone, FB_SET_STYLE, DEFAULT_FOREGROUND_COLOR, DEFAULT_BACKGROUND_COLOR);
363	nsend_call(fb_info.phone, FB_CLEAR, 0);	372	nsend_call(fb_info.phone, FB_CLEAR, 0);
364		373
365	/* Init virtual consoles */	374	/* Init virtual consoles */
366	for (i = 0; i < CONSOLE_COUNT; i++) {	375	for (i = 0; i < CONSOLE_COUNT; i++) {
367	connections[i].used = 0;	376	connections[i].used = 0;
368	keybuffer_init(&(connections[i].keybuffer));	377	keybuffer_init(&(connections[i].keybuffer));
369		378
370	connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;	379	connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;
371	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;	380	connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
372	connections[i].keyrequest_counter = 0;	381	connections[i].keyrequest_counter = 0;
373		382
374	if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {	383	if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {
375	/FIXME: handle error /	384	/FIXME: handle error /
376	return -1;	385	return -1;
377	}	386	}
378	}	387	}
379		388
380	if ((interbuffer = mmap(NULL, sizeof(keyfield_t) * fb_info.cols * fb_info.rows , PROTO_READ\|PROTO_WRITE, MAP_ANONYMOUS\|MAP_PRIVATE, 0 ,0 )) != NULL) {	389	if ((interbuffer = mmap(NULL, sizeof(keyfield_t) * fb_info.cols * fb_info.rows , PROTO_READ\|PROTO_WRITE, MAP_ANONYMOUS\|MAP_PRIVATE, 0 ,0 )) != NULL) {
381	if (ipc_call_sync_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)interbuffer, 0, AS_AREA_READ \| AS_AREA_CACHEABLE, NULL, NULL, NULL) != 0) {	390	if (ipc_call_sync_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)interbuffer, 0, AS_AREA_READ \| AS_AREA_CACHEABLE, NULL, NULL, NULL) != 0) {
382	munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols * fb_info.rows);	391	munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols * fb_info.rows);
383	interbuffer = NULL;	392	interbuffer = NULL;
384	}	393	}
385	}	394	}
386		395
387	/* FIXME: save kernel console screen */	396	/* FIXME: save kernel console screen */
388		397
389	async_new_connection(phonehash, 0, NULL, keyboard_events);	398	async_new_connection(phonehash, 0, NULL, keyboard_events);
390		399
391	sync_send_2(fb_info.phone, FB_CURSOR_GOTO, 0, 0, NULL, NULL);	400	sync_send_2(fb_info.phone, FB_CURSOR_GOTO, 0, 0, NULL, NULL);
392	nsend_call(fb_info.phone, FB_CURSOR_VISIBILITY, 1);	401	nsend_call(fb_info.phone, FB_CURSOR_VISIBILITY, 1);
393		402
394	/* Register at NS */	403	/* Register at NS */
395	if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {	404	if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
396	return -1;	405	return -1;
397	};	406	};
398		407
399	async_manager();	408	async_manager();
400		409
401	return 0;	410	return 0;
402	}	411	}
403		412
404		413

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(root)/uspace/trunk/console/console.c @ 1528 – Rev 1525 → 1526