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/*
* QEMU graphical console
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*
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* Copyright ( c ) 2004 Fabrice Bellard
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*
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* Permission is hereby granted , free of charge , to any person obtaining a copy
* of this software and associated documentation files ( the "Software" ), to deal
* in the Software without restriction , including without limitation the rights
* to use , copy , modify , merge , publish , distribute , sublicense , and / or sell
* copies of the Software , and to permit persons to whom the Software is
* furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software .
*
* THE SOFTWARE IS PROVIDED "AS IS" , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM , DAMAGES OR OTHER
* LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE , ARISING FROM ,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE .
*/
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# include "qemu-common.h"
# include "console.h"
# include "qemu-timer.h"
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// # define DEBUG_CONSOLE
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# define DEFAULT_BACKSCROLL 512
# define MAX_CONSOLES 12
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# define DEFAULT_MONITOR_SIZE "800x600"
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# define QEMU_RGBA ( r , g , b , a ) ((( a ) << 24 ) | (( r ) << 16 ) | (( g ) << 8 ) | ( b ))
# define QEMU_RGB ( r , g , b ) QEMU_RGBA ( r , g , b , 0xff )
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typedef struct TextAttributes {
uint8_t fgcol : 4 ;
uint8_t bgcol : 4 ;
uint8_t bold : 1 ;
uint8_t uline : 1 ;
uint8_t blink : 1 ;
uint8_t invers : 1 ;
uint8_t unvisible : 1 ;
} TextAttributes ;
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typedef struct TextCell {
uint8_t ch ;
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TextAttributes t_attrib ;
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} TextCell ;
# define MAX_ESC_PARAMS 3
enum TTYState {
TTY_STATE_NORM ,
TTY_STATE_ESC ,
TTY_STATE_CSI ,
};
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typedef struct QEMUFIFO {
uint8_t * buf ;
int buf_size ;
int count , wptr , rptr ;
} QEMUFIFO ;
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static int qemu_fifo_write ( QEMUFIFO * f , const uint8_t * buf , int len1 )
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{
int l , len ;
l = f -> buf_size - f -> count ;
if ( len1 > l )
len1 = l ;
len = len1 ;
while ( len > 0 ) {
l = f -> buf_size - f -> wptr ;
if ( l > len )
l = len ;
memcpy ( f -> buf + f -> wptr , buf , l );
f -> wptr += l ;
if ( f -> wptr >= f -> buf_size )
f -> wptr = 0 ;
buf += l ;
len -= l ;
}
f -> count += len1 ;
return len1 ;
}
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static int qemu_fifo_read ( QEMUFIFO * f , uint8_t * buf , int len1 )
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{
int l , len ;
if ( len1 > f -> count )
len1 = f -> count ;
len = len1 ;
while ( len > 0 ) {
l = f -> buf_size - f -> rptr ;
if ( l > len )
l = len ;
memcpy ( buf , f -> buf + f -> rptr , l );
f -> rptr += l ;
if ( f -> rptr >= f -> buf_size )
f -> rptr = 0 ;
buf += l ;
len -= l ;
}
f -> count -= len1 ;
return len1 ;
}
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typedef enum {
GRAPHIC_CONSOLE ,
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TEXT_CONSOLE
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} console_type_t ;
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/* ??? This is mis - named .
It is used for both text and graphical consoles . */
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struct TextConsole {
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console_type_t console_type ;
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DisplayState * ds ;
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/* Graphic console state. */
vga_hw_update_ptr hw_update ;
vga_hw_invalidate_ptr hw_invalidate ;
vga_hw_screen_dump_ptr hw_screen_dump ;
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vga_hw_text_update_ptr hw_text_update ;
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void * hw ;
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int g_width , g_height ;
int width ;
int height ;
int total_height ;
int backscroll_height ;
int x , y ;
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int x_saved , y_saved ;
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int y_displayed ;
int y_base ;
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TextAttributes t_attrib_default ; /* default text attributes */
TextAttributes t_attrib ; /* currently active text attributes */
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TextCell * cells ;
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int text_x [ 2 ], text_y [ 2 ], cursor_invalidate ;
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enum TTYState state ;
int esc_params [ MAX_ESC_PARAMS ];
int nb_esc_params ;
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CharDriverState * chr ;
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/* fifo for key pressed */
QEMUFIFO out_fifo ;
uint8_t out_fifo_buf [ 16 ];
QEMUTimer * kbd_timer ;
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};
static TextConsole * active_console ;
static TextConsole * consoles [ MAX_CONSOLES ];
static int nb_consoles = 0 ;
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void vga_hw_update ( void )
{
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if ( active_console && active_console -> hw_update )
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active_console -> hw_update ( active_console -> hw );
}
void vga_hw_invalidate ( void )
{
if ( active_console -> hw_invalidate )
active_console -> hw_invalidate ( active_console -> hw );
}
void vga_hw_screen_dump ( const char * filename )
{
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TextConsole * previous_active_console ;
previous_active_console = active_console ;
active_console = consoles [ 0 ];
/* There is currently no way of specifying which screen we want to dump ,
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so always dump the first one . */
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if ( consoles [ 0 ] -> hw_screen_dump )
consoles [ 0 ] -> hw_screen_dump ( consoles [ 0 ] -> hw , filename );
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active_console = previous_active_console ;
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}
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void vga_hw_text_update ( console_ch_t * chardata )
{
if ( active_console && active_console -> hw_text_update )
active_console -> hw_text_update ( active_console -> hw , chardata );
}
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/* convert a RGBA color to a color index usable in graphic primitives */
static unsigned int vga_get_color ( DisplayState * ds , unsigned int rgba )
{
unsigned int r , g , b , color ;
switch ( ds -> depth ) {
# if 0
case 8 :
r = ( rgba >> 16 ) & 0xff ;
g = ( rgba >> 8 ) & 0xff ;
b = ( rgba ) & 0xff ;
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color = ( rgb_to_index [ r ] * 6 * 6 ) +
( rgb_to_index [ g ] * 6 ) +
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( rgb_to_index [ b ]);
break ;
# endif
case 15 :
r = ( rgba >> 16 ) & 0xff ;
g = ( rgba >> 8 ) & 0xff ;
b = ( rgba ) & 0xff ;
color = (( r >> 3 ) << 10 ) | (( g >> 3 ) << 5 ) | ( b >> 3 );
break ;
case 16 :
r = ( rgba >> 16 ) & 0xff ;
g = ( rgba >> 8 ) & 0xff ;
b = ( rgba ) & 0xff ;
color = (( r >> 3 ) << 11 ) | (( g >> 2 ) << 5 ) | ( b >> 3 );
break ;
case 32 :
default :
color = rgba ;
break ;
}
return color ;
}
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static void vga_fill_rect ( DisplayState * ds ,
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int posx , int posy , int width , int height , uint32_t color )
{
uint8_t * d , * d1 ;
int x , y , bpp ;
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bpp = ( ds -> depth + 7 ) >> 3 ;
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d1 = ds -> data +
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ds -> linesize * posy + bpp * posx ;
for ( y = 0 ; y < height ; y ++ ) {
d = d1 ;
switch ( bpp ) {
case 1 :
for ( x = 0 ; x < width ; x ++ ) {
* (( uint8_t * ) d ) = color ;
d ++ ;
}
break ;
case 2 :
for ( x = 0 ; x < width ; x ++ ) {
* (( uint16_t * ) d ) = color ;
d += 2 ;
}
break ;
case 4 :
for ( x = 0 ; x < width ; x ++ ) {
* (( uint32_t * ) d ) = color ;
d += 4 ;
}
break ;
}
d1 += ds -> linesize ;
}
}
/* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
static void vga_bitblt ( DisplayState * ds , int xs , int ys , int xd , int yd , int w , int h )
{
const uint8_t * s ;
uint8_t * d ;
int wb , y , bpp ;
bpp = ( ds -> depth + 7 ) >> 3 ;
wb = w * bpp ;
if ( yd <= ys ) {
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s = ds -> data +
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ds -> linesize * ys + bpp * xs ;
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d = ds -> data +
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ds -> linesize * yd + bpp * xd ;
for ( y = 0 ; y < h ; y ++ ) {
memmove ( d , s , wb );
d += ds -> linesize ;
s += ds -> linesize ;
}
} else {
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s = ds -> data +
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ds -> linesize * ( ys + h - 1 ) + bpp * xs ;
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d = ds -> data +
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ds -> linesize * ( yd + h - 1 ) + bpp * xd ;
for ( y = 0 ; y < h ; y ++ ) {
memmove ( d , s , wb );
d -= ds -> linesize ;
s -= ds -> linesize ;
}
}
}
/***********************************************************/
/* basic char display */
# define FONT_HEIGHT 16
# define FONT_WIDTH 8
# include "vgafont.h"
# define cbswap_32 ( __x ) \
(( uint32_t )( \
((( uint32_t )( __x ) & ( uint32_t ) 0x000000ffUL ) << 24 ) | \
((( uint32_t )( __x ) & ( uint32_t ) 0x0000ff00UL ) << 8 ) | \
((( uint32_t )( __x ) & ( uint32_t ) 0x00ff0000UL ) >> 8 ) | \
((( uint32_t )( __x ) & ( uint32_t ) 0xff000000UL ) >> 24 ) ))
# ifdef WORDS_BIGENDIAN
# define PAT ( x ) x
# else
# define PAT ( x ) cbswap_32 ( x )
# endif
static const uint32_t dmask16 [ 16 ] = {
PAT ( 0x00000000 ),
PAT ( 0x000000ff ),
PAT ( 0x0000ff00 ),
PAT ( 0x0000ffff ),
PAT ( 0x00ff0000 ),
PAT ( 0x00ff00ff ),
PAT ( 0x00ffff00 ),
PAT ( 0x00ffffff ),
PAT ( 0xff000000 ),
PAT ( 0xff0000ff ),
PAT ( 0xff00ff00 ),
PAT ( 0xff00ffff ),
PAT ( 0xffff0000 ),
PAT ( 0xffff00ff ),
PAT ( 0xffffff00 ),
PAT ( 0xffffffff ),
};
static const uint32_t dmask4 [ 4 ] = {
PAT ( 0x00000000 ),
PAT ( 0x0000ffff ),
PAT ( 0xffff0000 ),
PAT ( 0xffffffff ),
};
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static uint32_t color_table [ 2 ][ 8 ];
enum color_names {
COLOR_BLACK = 0 ,
COLOR_RED = 1 ,
COLOR_GREEN = 2 ,
COLOR_YELLOW = 3 ,
COLOR_BLUE = 4 ,
COLOR_MAGENTA = 5 ,
COLOR_CYAN = 6 ,
COLOR_WHITE = 7
};
static const uint32_t color_table_rgb [ 2 ][ 8 ] = {
{ /* dark */
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QEMU_RGB ( 0x00 , 0x00 , 0x00 ), /* black */
QEMU_RGB ( 0xaa , 0x00 , 0x00 ), /* red */
QEMU_RGB ( 0x00 , 0xaa , 0x00 ), /* green */
QEMU_RGB ( 0xaa , 0xaa , 0x00 ), /* yellow */
QEMU_RGB ( 0x00 , 0x00 , 0xaa ), /* blue */
QEMU_RGB ( 0xaa , 0x00 , 0xaa ), /* magenta */
QEMU_RGB ( 0x00 , 0xaa , 0xaa ), /* cyan */
QEMU_RGB ( 0xaa , 0xaa , 0xaa ), /* white */
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},
{ /* bright */
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QEMU_RGB ( 0x00 , 0x00 , 0x00 ), /* black */
QEMU_RGB ( 0xff , 0x00 , 0x00 ), /* red */
QEMU_RGB ( 0x00 , 0xff , 0x00 ), /* green */
QEMU_RGB ( 0xff , 0xff , 0x00 ), /* yellow */
QEMU_RGB ( 0x00 , 0x00 , 0xff ), /* blue */
QEMU_RGB ( 0xff , 0x00 , 0xff ), /* magenta */
QEMU_RGB ( 0x00 , 0xff , 0xff ), /* cyan */
QEMU_RGB ( 0xff , 0xff , 0xff ), /* white */
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}
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};
static inline unsigned int col_expand ( DisplayState * ds , unsigned int col )
{
switch ( ds -> depth ) {
case 8 :
col |= col << 8 ;
col |= col << 16 ;
break ;
case 15 :
case 16 :
col |= col << 16 ;
break ;
default :
break ;
}
return col ;
}
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# ifdef DEBUG_CONSOLE
static void console_print_text_attributes ( TextAttributes * t_attrib , char ch )
{
if ( t_attrib -> bold ) {
printf ( "b" );
} else {
printf ( " " );
}
if ( t_attrib -> uline ) {
printf ( "u" );
} else {
printf ( " " );
}
if ( t_attrib -> blink ) {
printf ( "l" );
} else {
printf ( " " );
}
if ( t_attrib -> invers ) {
printf ( "i" );
} else {
printf ( " " );
}
if ( t_attrib -> unvisible ) {
printf ( "n" );
} else {
printf ( " " );
}
printf ( " fg: %d bg: %d ch:'%2X' '%c' \n " , t_attrib -> fgcol , t_attrib -> bgcol , ch , ch );
}
# endif
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static void vga_putcharxy ( DisplayState * ds , int x , int y , int ch ,
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TextAttributes * t_attrib )
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{
uint8_t * d ;
const uint8_t * font_ptr ;
unsigned int font_data , linesize , xorcol , bpp ;
int i ;
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unsigned int fgcol , bgcol ;
# ifdef DEBUG_CONSOLE
printf ( "x: %2i y: %2i" , x , y );
console_print_text_attributes ( t_attrib , ch );
# endif
if ( t_attrib -> invers ) {
bgcol = color_table [ t_attrib -> bold ][ t_attrib -> fgcol ];
fgcol = color_table [ t_attrib -> bold ][ t_attrib -> bgcol ];
} else {
fgcol = color_table [ t_attrib -> bold ][ t_attrib -> fgcol ];
bgcol = color_table [ t_attrib -> bold ][ t_attrib -> bgcol ];
}
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bpp = ( ds -> depth + 7 ) >> 3 ;
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d = ds -> data +
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ds -> linesize * y * FONT_HEIGHT + bpp * x * FONT_WIDTH ;
linesize = ds -> linesize ;
font_ptr = vgafont16 + FONT_HEIGHT * ch ;
xorcol = bgcol ^ fgcol ;
switch ( ds -> depth ) {
case 8 :
for ( i = 0 ; i < FONT_HEIGHT ; i ++ ) {
font_data = * font_ptr ++ ;
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if ( t_attrib -> uline
&& (( i == FONT_HEIGHT - 2 ) || ( i == FONT_HEIGHT - 3 ))) {
font_data = 0xFFFF ;
}
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(( uint32_t * ) d )[ 0 ] = ( dmask16 [( font_data >> 4 )] & xorcol ) ^ bgcol ;
(( uint32_t * ) d )[ 1 ] = ( dmask16 [( font_data >> 0 ) & 0xf ] & xorcol ) ^ bgcol ;
d += linesize ;
}
break ;
case 16 :
case 15 :
for ( i = 0 ; i < FONT_HEIGHT ; i ++ ) {
font_data = * font_ptr ++ ;
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if ( t_attrib -> uline
&& (( i == FONT_HEIGHT - 2 ) || ( i == FONT_HEIGHT - 3 ))) {
font_data = 0xFFFF ;
}
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(( uint32_t * ) d )[ 0 ] = ( dmask4 [( font_data >> 6 )] & xorcol ) ^ bgcol ;
(( uint32_t * ) d )[ 1 ] = ( dmask4 [( font_data >> 4 ) & 3 ] & xorcol ) ^ bgcol ;
(( uint32_t * ) d )[ 2 ] = ( dmask4 [( font_data >> 2 ) & 3 ] & xorcol ) ^ bgcol ;
(( uint32_t * ) d )[ 3 ] = ( dmask4 [( font_data >> 0 ) & 3 ] & xorcol ) ^ bgcol ;
d += linesize ;
}
break ;
case 32 :
for ( i = 0 ; i < FONT_HEIGHT ; i ++ ) {
font_data = * font_ptr ++ ;
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if ( t_attrib -> uline && (( i == FONT_HEIGHT - 2 ) || ( i == FONT_HEIGHT - 3 ))) {
font_data = 0xFFFF ;
}
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(( uint32_t * ) d )[ 0 ] = ( - (( font_data >> 7 )) & xorcol ) ^ bgcol ;
(( uint32_t * ) d )[ 1 ] = ( - (( font_data >> 6 ) & 1 ) & xorcol ) ^ bgcol ;
(( uint32_t * ) d )[ 2 ] = ( - (( font_data >> 5 ) & 1 ) & xorcol ) ^ bgcol ;
(( uint32_t * ) d )[ 3 ] = ( - (( font_data >> 4 ) & 1 ) & xorcol ) ^ bgcol ;
(( uint32_t * ) d )[ 4 ] = ( - (( font_data >> 3 ) & 1 ) & xorcol ) ^ bgcol ;
(( uint32_t * ) d )[ 5 ] = ( - (( font_data >> 2 ) & 1 ) & xorcol ) ^ bgcol ;
(( uint32_t * ) d )[ 6 ] = ( - (( font_data >> 1 ) & 1 ) & xorcol ) ^ bgcol ;
(( uint32_t * ) d )[ 7 ] = ( - (( font_data >> 0 ) & 1 ) & xorcol ) ^ bgcol ;
d += linesize ;
}
break ;
}
}
static void text_console_resize ( TextConsole * s )
{
TextCell * cells , * c , * c1 ;
int w1 , x , y , last_width ;
last_width = s -> width ;
s -> width = s -> g_width / FONT_WIDTH ;
s -> height = s -> g_height / FONT_HEIGHT ;
w1 = last_width ;
if ( s -> width < w1 )
w1 = s -> width ;
cells = qemu_malloc ( s -> width * s -> total_height * sizeof ( TextCell ));
for ( y = 0 ; y < s -> total_height ; y ++ ) {
c = & cells [ y * s -> width ];
if ( w1 > 0 ) {
c1 = & s -> cells [ y * last_width ];
for ( x = 0 ; x < w1 ; x ++ ) {
* c ++ = * c1 ++ ;
}
}
for ( x = w1 ; x < s -> width ; x ++ ) {
c -> ch = ' ' ;
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c -> t_attrib = s -> t_attrib_default ;
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c ++ ;
}
}
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qemu_free ( s -> cells );
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s -> cells = cells ;
}
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static inline void text_update_xy ( TextConsole * s , int x , int y )
{
s -> text_x [ 0 ] = MIN ( s -> text_x [ 0 ], x );
s -> text_x [ 1 ] = MAX ( s -> text_x [ 1 ], x );
s -> text_y [ 0 ] = MIN ( s -> text_y [ 0 ], y );
s -> text_y [ 1 ] = MAX ( s -> text_y [ 1 ], y );
}
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static void update_xy ( TextConsole * s , int x , int y )
{
TextCell * c ;
int y1 , y2 ;
if ( s == active_console ) {
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if ( ! s -> ds -> depth ) {
text_update_xy ( s , x , y );
return ;
}
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y1 = ( s -> y_base + y ) % s -> total_height ;
y2 = y1 - s -> y_displayed ;
if ( y2 < 0 )
y2 += s -> total_height ;
if ( y2 < s -> height ) {
c = & s -> cells [ y1 * s -> width + x ];
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vga_putcharxy ( s -> ds , x , y2 , c -> ch ,
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& ( c -> t_attrib ));
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dpy_update ( s -> ds , x * FONT_WIDTH , y2 * FONT_HEIGHT ,
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FONT_WIDTH , FONT_HEIGHT );
}
}
}
static void console_show_cursor ( TextConsole * s , int show )
{
TextCell * c ;
int y , y1 ;
if ( s == active_console ) {
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int x = s -> x ;
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if ( ! s -> ds -> depth ) {
s -> cursor_invalidate = 1 ;
return ;
}
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if ( x >= s -> width ) {
x = s -> width - 1 ;
}
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y1 = ( s -> y_base + s -> y ) % s -> total_height ;
y = y1 - s -> y_displayed ;
if ( y < 0 )
y += s -> total_height ;
if ( y < s -> height ) {
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c = & s -> cells [ y1 * s -> width + x ];
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if ( show ) {
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TextAttributes t_attrib = s -> t_attrib_default ;
t_attrib . invers = ! ( t_attrib . invers ); /* invert fg and bg */
ths
authored
18 years ago
589
vga_putcharxy ( s -> ds , x , y , c -> ch , & t_attrib );
590
} else {
ths
authored
18 years ago
591
vga_putcharxy ( s -> ds , x , y , c -> ch , & ( c -> t_attrib ));
592
}
ths
authored
18 years ago
593
dpy_update ( s -> ds , x * FONT_WIDTH , y * FONT_HEIGHT ,
594
595
596
597
598
599
600
601
602
603
FONT_WIDTH , FONT_HEIGHT );
}
}
}
static void console_refresh ( TextConsole * s )
{
TextCell * c ;
int x , y , y1 ;
ths
authored
18 years ago
604
if ( s != active_console )
605
return ;
606
607
608
609
610
611
612
613
if ( ! s -> ds -> depth ) {
s -> text_x [ 0 ] = 0 ;
s -> text_y [ 0 ] = 0 ;
s -> text_x [ 1 ] = s -> width - 1 ;
s -> text_y [ 1 ] = s -> height - 1 ;
s -> cursor_invalidate = 1 ;
return ;
}
614
615
vga_fill_rect ( s -> ds , 0 , 0 , s -> ds -> width , s -> ds -> height ,
616
color_table [ 0 ][ COLOR_BLACK ]);
617
618
619
620
y1 = s -> y_displayed ;
for ( y = 0 ; y < s -> height ; y ++ ) {
c = s -> cells + y1 * s -> width ;
for ( x = 0 ; x < s -> width ; x ++ ) {
ths
authored
18 years ago
621
vga_putcharxy ( s -> ds , x , y , c -> ch ,
622
& ( c -> t_attrib ));
623
624
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626
627
628
629
630
631
632
633
634
635
c ++ ;
}
if ( ++ y1 == s -> total_height )
y1 = 0 ;
}
dpy_update ( s -> ds , 0 , 0 , s -> ds -> width , s -> ds -> height );
console_show_cursor ( s , 1 );
}
static void console_scroll ( int ydelta )
{
TextConsole * s ;
int i , y1 ;
ths
authored
18 years ago
636
637
s = active_console ;
ths
authored
18 years ago
638
if ( ! s || ( s -> console_type == GRAPHIC_CONSOLE ))
639
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664
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671
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673
return ;
if ( ydelta > 0 ) {
for ( i = 0 ; i < ydelta ; i ++ ) {
if ( s -> y_displayed == s -> y_base )
break ;
if ( ++ s -> y_displayed == s -> total_height )
s -> y_displayed = 0 ;
}
} else {
ydelta = - ydelta ;
i = s -> backscroll_height ;
if ( i > s -> total_height - s -> height )
i = s -> total_height - s -> height ;
y1 = s -> y_base - i ;
if ( y1 < 0 )
y1 += s -> total_height ;
for ( i = 0 ; i < ydelta ; i ++ ) {
if ( s -> y_displayed == y1 )
break ;
if ( -- s -> y_displayed < 0 )
s -> y_displayed = s -> total_height - 1 ;
}
}
console_refresh ( s );
}
static void console_put_lf ( TextConsole * s )
{
TextCell * c ;
int x , y1 ;
s -> y ++ ;
if ( s -> y >= s -> height ) {
s -> y = s -> height - 1 ;
674
675
676
677
678
679
680
681
682
683
684
685
686
if ( s -> y_displayed == s -> y_base ) {
if ( ++ s -> y_displayed == s -> total_height )
s -> y_displayed = 0 ;
}
if ( ++ s -> y_base == s -> total_height )
s -> y_base = 0 ;
if ( s -> backscroll_height < s -> total_height )
s -> backscroll_height ++ ;
y1 = ( s -> y_base + s -> height - 1 ) % s -> total_height ;
c = & s -> cells [ y1 * s -> width ];
for ( x = 0 ; x < s -> width ; x ++ ) {
c -> ch = ' ' ;
687
c -> t_attrib = s -> t_attrib_default ;
688
689
690
c ++ ;
}
if ( s == active_console && s -> y_displayed == s -> y_base ) {
691
692
693
694
695
696
697
698
if ( ! s -> ds -> depth ) {
s -> text_x [ 0 ] = 0 ;
s -> text_y [ 0 ] = 0 ;
s -> text_x [ 1 ] = s -> width - 1 ;
s -> text_y [ 1 ] = s -> height - 1 ;
return ;
}
ths
authored
18 years ago
699
700
vga_bitblt ( s -> ds , 0 , FONT_HEIGHT , 0 , 0 ,
s -> width * FONT_WIDTH ,
701
702
( s -> height - 1 ) * FONT_HEIGHT );
vga_fill_rect ( s -> ds , 0 , ( s -> height - 1 ) * FONT_HEIGHT ,
ths
authored
18 years ago
703
s -> width * FONT_WIDTH , FONT_HEIGHT ,
704
color_table [ 0 ][ s -> t_attrib_default . bgcol ]);
ths
authored
18 years ago
705
dpy_update ( s -> ds , 0 , 0 ,
706
707
708
709
710
s -> width * FONT_WIDTH , s -> height * FONT_HEIGHT );
}
}
}
711
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718
719
720
721
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723
724
725
726
727
728
729
730
731
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734
735
736
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738
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787
788
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794
795
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798
799
800
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802
803
804
805
806
807
/* Set console attributes depending on the current escape codes .
* NOTE : I know this code is not very efficient ( checking every color for it
* self ) but it is more readable and better maintainable .
*/
static void console_handle_escape ( TextConsole * s )
{
int i ;
for ( i = 0 ; i < s -> nb_esc_params ; i ++ ) {
switch ( s -> esc_params [ i ]) {
case 0 : /* reset all console attributes to default */
s -> t_attrib = s -> t_attrib_default ;
break ;
case 1 :
s -> t_attrib . bold = 1 ;
break ;
case 4 :
s -> t_attrib . uline = 1 ;
break ;
case 5 :
s -> t_attrib . blink = 1 ;
break ;
case 7 :
s -> t_attrib . invers = 1 ;
break ;
case 8 :
s -> t_attrib . unvisible = 1 ;
break ;
case 22 :
s -> t_attrib . bold = 0 ;
break ;
case 24 :
s -> t_attrib . uline = 0 ;
break ;
case 25 :
s -> t_attrib . blink = 0 ;
break ;
case 27 :
s -> t_attrib . invers = 0 ;
break ;
case 28 :
s -> t_attrib . unvisible = 0 ;
break ;
/* set foreground color */
case 30 :
s -> t_attrib . fgcol = COLOR_BLACK ;
break ;
case 31 :
s -> t_attrib . fgcol = COLOR_RED ;
break ;
case 32 :
s -> t_attrib . fgcol = COLOR_GREEN ;
break ;
case 33 :
s -> t_attrib . fgcol = COLOR_YELLOW ;
break ;
case 34 :
s -> t_attrib . fgcol = COLOR_BLUE ;
break ;
case 35 :
s -> t_attrib . fgcol = COLOR_MAGENTA ;
break ;
case 36 :
s -> t_attrib . fgcol = COLOR_CYAN ;
break ;
case 37 :
s -> t_attrib . fgcol = COLOR_WHITE ;
break ;
/* set background color */
case 40 :
s -> t_attrib . bgcol = COLOR_BLACK ;
break ;
case 41 :
s -> t_attrib . bgcol = COLOR_RED ;
break ;
case 42 :
s -> t_attrib . bgcol = COLOR_GREEN ;
break ;
case 43 :
s -> t_attrib . bgcol = COLOR_YELLOW ;
break ;
case 44 :
s -> t_attrib . bgcol = COLOR_BLUE ;
break ;
case 45 :
s -> t_attrib . bgcol = COLOR_MAGENTA ;
break ;
case 46 :
s -> t_attrib . bgcol = COLOR_CYAN ;
break ;
case 47 :
s -> t_attrib . bgcol = COLOR_WHITE ;
break ;
}
}
}
ths
authored
18 years ago
808
809
810
811
812
813
814
815
816
817
static void console_clear_xy ( TextConsole * s , int x , int y )
{
int y1 = ( s -> y_base + y ) % s -> total_height ;
TextCell * c = & s -> cells [ y1 * s -> width + x ];
c -> ch = ' ' ;
c -> t_attrib = s -> t_attrib_default ;
c ++ ;
update_xy ( s , x , y );
}
818
819
820
static void console_putchar ( TextConsole * s , int ch )
{
TextCell * c ;
ths
authored
18 years ago
821
822
int y1 , i ;
int x , y ;
823
824
825
826
switch ( s -> state ) {
case TTY_STATE_NORM :
switch ( ch ) {
827
case '\r' : /* carriage return */
828
829
s -> x = 0 ;
break ;
830
case '\n' : /* newline */
831
832
console_put_lf ( s );
break ;
833
case '\b' : /* backspace */
ths
authored
18 years ago
834
if ( s -> x > 0 )
835
s -> x -- ;
836
837
838
break ;
case '\t' : /* tabspace */
if ( s -> x + ( 8 - ( s -> x % 8 )) > s -> width ) {
839
s -> x = 0 ;
840
841
842
843
844
845
846
847
console_put_lf ( s );
} else {
s -> x = s -> x + ( 8 - ( s -> x % 8 ));
}
break ;
case '\a' : /* alert aka. bell */
/* TODO: has to be implemented */
break ;
ths
authored
18 years ago
848
849
850
851
852
853
case 14 :
/* SI (shift in), character set 0 (ignored) */
break ;
case 15 :
/* SO (shift out), character set 1 (ignored) */
break ;
854
case 27 : /* esc (introducing an escape sequence) */
855
856
857
s -> state = TTY_STATE_ESC ;
break ;
default :
ths
authored
18 years ago
858
859
860
861
if ( s -> x >= s -> width ) {
/* line wrap */
s -> x = 0 ;
console_put_lf ( s );
ths
authored
18 years ago
862
}
863
864
865
y1 = ( s -> y_base + s -> y ) % s -> total_height ;
c = & s -> cells [ y1 * s -> width + s -> x ];
c -> ch = ch ;
866
c -> t_attrib = s -> t_attrib ;
867
868
869
870
871
update_xy ( s , s -> x , s -> y );
s -> x ++ ;
break ;
}
break ;
872
case TTY_STATE_ESC : /* check if it is a terminal escape sequence */
873
874
875
876
877
878
879
880
881
if ( ch == '[' ) {
for ( i = 0 ; i < MAX_ESC_PARAMS ; i ++ )
s -> esc_params [ i ] = 0 ;
s -> nb_esc_params = 0 ;
s -> state = TTY_STATE_CSI ;
} else {
s -> state = TTY_STATE_NORM ;
}
break ;
882
case TTY_STATE_CSI : /* handle escape sequence parameters */
883
884
if ( ch >= '0' && ch <= '9' ) {
if ( s -> nb_esc_params < MAX_ESC_PARAMS ) {
ths
authored
18 years ago
885
s -> esc_params [ s -> nb_esc_params ] =
886
887
888
889
890
891
s -> esc_params [ s -> nb_esc_params ] * 10 + ch - '0' ;
}
} else {
s -> nb_esc_params ++ ;
if ( ch == ';' )
break ;
ths
authored
18 years ago
892
893
894
895
# ifdef DEBUG_CONSOLE
fprintf ( stderr , "escape sequence CSI%d;%d%c, %d parameters \n " ,
s -> esc_params [ 0 ], s -> esc_params [ 1 ], ch , s -> nb_esc_params );
# endif
896
897
s -> state = TTY_STATE_NORM ;
switch ( ch ) {
ths
authored
18 years ago
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
case 'A' :
/* move cursor up */
if ( s -> esc_params [ 0 ] == 0 ) {
s -> esc_params [ 0 ] = 1 ;
}
s -> y -= s -> esc_params [ 0 ];
if ( s -> y < 0 ) {
s -> y = 0 ;
}
break ;
case 'B' :
/* move cursor down */
if ( s -> esc_params [ 0 ] == 0 ) {
s -> esc_params [ 0 ] = 1 ;
}
s -> y += s -> esc_params [ 0 ];
if ( s -> y >= s -> height ) {
s -> y = s -> height - 1 ;
}
917
918
break ;
case 'C' :
ths
authored
18 years ago
919
920
921
922
923
924
925
926
/* move cursor right */
if ( s -> esc_params [ 0 ] == 0 ) {
s -> esc_params [ 0 ] = 1 ;
}
s -> x += s -> esc_params [ 0 ];
if ( s -> x >= s -> width ) {
s -> x = s -> width - 1 ;
}
927
break ;
ths
authored
18 years ago
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
case 'D' :
/* move cursor left */
if ( s -> esc_params [ 0 ] == 0 ) {
s -> esc_params [ 0 ] = 1 ;
}
s -> x -= s -> esc_params [ 0 ];
if ( s -> x < 0 ) {
s -> x = 0 ;
}
break ;
case 'G' :
/* move cursor to column */
s -> x = s -> esc_params [ 0 ] - 1 ;
if ( s -> x < 0 ) {
s -> x = 0 ;
}
break ;
case 'f' :
case 'H' :
/* move cursor to row, column */
s -> x = s -> esc_params [ 1 ] - 1 ;
if ( s -> x < 0 ) {
s -> x = 0 ;
}
s -> y = s -> esc_params [ 0 ] - 1 ;
if ( s -> y < 0 ) {
s -> y = 0 ;
}
break ;
case 'J' :
switch ( s -> esc_params [ 0 ]) {
case 0 :
/* clear to end of screen */
for ( y = s -> y ; y < s -> height ; y ++ ) {
for ( x = 0 ; x < s -> width ; x ++ ) {
if ( y == s -> y && x < s -> x ) {
continue ;
}
console_clear_xy ( s , x , y );
}
}
break ;
case 1 :
/* clear from beginning of screen */
for ( y = 0 ; y <= s -> y ; y ++ ) {
for ( x = 0 ; x < s -> width ; x ++ ) {
if ( y == s -> y && x > s -> x ) {
break ;
}
console_clear_xy ( s , x , y );
}
}
break ;
case 2 :
/* clear entire screen */
for ( y = 0 ; y <= s -> height ; y ++ ) {
for ( x = 0 ; x < s -> width ; x ++ ) {
console_clear_xy ( s , x , y );
}
}
break ;
}
990
case 'K' :
ths
authored
18 years ago
991
992
switch ( s -> esc_params [ 0 ]) {
case 0 :
993
994
/* clear to eol */
for ( x = s -> x ; x < s -> width ; x ++ ) {
ths
authored
18 years ago
995
console_clear_xy ( s , x , s -> y );
996
997
}
break ;
ths
authored
18 years ago
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
case 1 :
/* clear from beginning of line */
for ( x = 0 ; x <= s -> x ; x ++ ) {
console_clear_xy ( s , x , s -> y );
}
break ;
case 2 :
/* clear entire line */
for ( x = 0 ; x < s -> width ; x ++ ) {
console_clear_xy ( s , x , s -> y );
}
1009
1010
break ;
}
ths
authored
18 years ago
1011
1012
break ;
case 'm' :
1013
console_handle_escape ( s );
1014
break ;
ths
authored
18 years ago
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
case 'n' :
/* report cursor position */
/* TODO: send ESC[row;colR */
break ;
case 's' :
/* save cursor position */
s -> x_saved = s -> x ;
s -> y_saved = s -> y ;
break ;
case 'u' :
/* restore cursor position */
s -> x = s -> x_saved ;
s -> y = s -> y_saved ;
break ;
default :
# ifdef DEBUG_CONSOLE
fprintf ( stderr , "unhandled escape character '%c' \n " , ch );
# endif
break ;
}
break ;
1036
1037
1038
1039
1040
1041
1042
}
}
}
void console_select ( unsigned int index )
{
TextConsole * s ;
1043
1044
1045
1046
1047
1048
if ( index >= MAX_CONSOLES )
return ;
s = consoles [ index ];
if ( s ) {
active_console = s ;
1049
1050
1051
if ( s -> g_width && s -> g_height
&& ( s -> g_width != s -> ds -> width || s -> g_height != s -> ds -> height ))
dpy_resize ( s -> ds , s -> g_width , s -> g_height );
1052
vga_hw_invalidate ();
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
}
}
static int console_puts ( CharDriverState * chr , const uint8_t * buf , int len )
{
TextConsole * s = chr -> opaque ;
int i ;
console_show_cursor ( s , 0 );
for ( i = 0 ; i < len ; i ++ ) {
console_putchar ( s , buf [ i ]);
}
console_show_cursor ( s , 1 );
return len ;
}
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
static void console_send_event ( CharDriverState * chr , int event )
{
TextConsole * s = chr -> opaque ;
int i ;
if ( event == CHR_EVENT_FOCUS ) {
for ( i = 0 ; i < nb_consoles ; i ++ ) {
if ( consoles [ i ] == s ) {
console_select ( i );
break ;
}
}
}
}
1084
1085
1086
1087
1088
static void kbd_send_chars ( void * opaque )
{
TextConsole * s = opaque ;
int len ;
uint8_t buf [ 16 ];
ths
authored
18 years ago
1089
1090
len = qemu_chr_can_read ( s -> chr );
1091
1092
1093
1094
1095
1096
if ( len > s -> out_fifo . count )
len = s -> out_fifo . count ;
if ( len > 0 ) {
if ( len > sizeof ( buf ))
len = sizeof ( buf );
qemu_fifo_read ( & s -> out_fifo , buf , len );
1097
qemu_chr_read ( s -> chr , buf , len );
1098
1099
1100
1101
1102
1103
1104
1105
}
/* characters are pending : we send them a bit later ( XXX :
horrible , should change char device API ) */
if ( s -> out_fifo . count > 0 ) {
qemu_mod_timer ( s -> kbd_timer , qemu_get_clock ( rt_clock ) + 1 );
}
}
1106
1107
1108
1109
1110
1111
1112
1113
/* called when an ascii key is pressed */
void kbd_put_keysym ( int keysym )
{
TextConsole * s ;
uint8_t buf [ 16 ], * q ;
int c ;
s = active_console ;
ths
authored
18 years ago
1114
if ( ! s || ( s -> console_type == GRAPHIC_CONSOLE ))
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
return ;
switch ( keysym ) {
case QEMU_KEY_CTRL_UP :
console_scroll ( - 1 );
break ;
case QEMU_KEY_CTRL_DOWN :
console_scroll ( 1 );
break ;
case QEMU_KEY_CTRL_PAGEUP :
console_scroll ( - 10 );
break ;
case QEMU_KEY_CTRL_PAGEDOWN :
console_scroll ( 10 );
break ;
default :
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
/* convert the QEMU keysym to VT100 key string */
q = buf ;
if ( keysym >= 0xe100 && keysym <= 0xe11f ) {
* q ++ = '\033' ;
* q ++ = '[' ;
c = keysym - 0xe100 ;
if ( c >= 10 )
* q ++ = '0' + ( c / 10 );
* q ++ = '0' + ( c % 10 );
* q ++ = '~' ;
} else if ( keysym >= 0xe120 && keysym <= 0xe17f ) {
* q ++ = '\033' ;
* q ++ = '[' ;
* q ++ = keysym & 0xff ;
} else {
1146
* q ++ = keysym ;
1147
}
1148
if ( s -> chr -> chr_read ) {
1149
1150
qemu_fifo_write ( & s -> out_fifo , buf , q - buf );
kbd_send_chars ( s );
1151
1152
1153
1154
1155
}
break ;
}
}
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
static void text_console_invalidate ( void * opaque )
{
TextConsole * s = ( TextConsole * ) opaque ;
console_refresh ( s );
}
static void text_console_update ( void * opaque , console_ch_t * chardata )
{
TextConsole * s = ( TextConsole * ) opaque ;
int i , j , src ;
if ( s -> text_x [ 0 ] <= s -> text_x [ 1 ]) {
src = ( s -> y_base + s -> text_y [ 0 ]) * s -> width ;
chardata += s -> text_y [ 0 ] * s -> width ;
for ( i = s -> text_y [ 0 ]; i <= s -> text_y [ 1 ]; i ++ )
for ( j = 0 ; j < s -> width ; j ++ , src ++ )
console_write_ch ( chardata ++ , s -> cells [ src ]. ch |
( s -> cells [ src ]. t_attrib . fgcol << 12 ) |
( s -> cells [ src ]. t_attrib . bgcol << 8 ) |
( s -> cells [ src ]. t_attrib . bold << 21 ));
dpy_update ( s -> ds , s -> text_x [ 0 ], s -> text_y [ 0 ],
s -> text_x [ 1 ] - s -> text_x [ 0 ], i - s -> text_y [ 0 ]);
s -> text_x [ 0 ] = s -> width ;
s -> text_y [ 0 ] = s -> height ;
s -> text_x [ 1 ] = 0 ;
s -> text_y [ 1 ] = 0 ;
}
if ( s -> cursor_invalidate ) {
dpy_cursor ( s -> ds , s -> x , s -> y );
s -> cursor_invalidate = 0 ;
}
}
ths
authored
18 years ago
1190
static TextConsole * new_console ( DisplayState * ds , console_type_t console_type )
1191
1192
{
TextConsole * s ;
1193
int i ;
1194
1195
1196
1197
1198
1199
1200
if ( nb_consoles >= MAX_CONSOLES )
return NULL ;
s = qemu_mallocz ( sizeof ( TextConsole ));
if ( ! s ) {
return NULL ;
}
ths
authored
18 years ago
1201
1202
if ( ! active_console || (( active_console -> console_type != GRAPHIC_CONSOLE ) &&
( console_type == GRAPHIC_CONSOLE ))) {
1203
active_console = s ;
ths
authored
18 years ago
1204
}
1205
s -> ds = ds ;
ths
authored
18 years ago
1206
1207
s -> console_type = console_type ;
if ( console_type != GRAPHIC_CONSOLE ) {
1208
1209
1210
1211
consoles [ nb_consoles ++ ] = s ;
} else {
/* HACK: Put graphical consoles before text consoles. */
for ( i = nb_consoles ; i > 0 ; i -- ) {
ths
authored
18 years ago
1212
if ( consoles [ i - 1 ] -> console_type == GRAPHIC_CONSOLE )
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
break ;
consoles [ i ] = consoles [ i - 1 ];
}
consoles [ i ] = s ;
}
return s ;
}
TextConsole * graphic_console_init ( DisplayState * ds , vga_hw_update_ptr update ,
vga_hw_invalidate_ptr invalidate ,
vga_hw_screen_dump_ptr screen_dump ,
1224
vga_hw_text_update_ptr text_update ,
1225
1226
1227
1228
void * opaque )
{
TextConsole * s ;
ths
authored
18 years ago
1229
s = new_console ( ds , GRAPHIC_CONSOLE );
1230
1231
1232
1233
1234
if ( ! s )
return NULL ;
s -> hw_update = update ;
s -> hw_invalidate = invalidate ;
s -> hw_screen_dump = screen_dump ;
1235
s -> hw_text_update = text_update ;
1236
s -> hw = opaque ;
1237
1238
1239
return s ;
}
1240
int is_graphic_console ( void )
1241
{
1242
return active_console && active_console -> console_type == GRAPHIC_CONSOLE ;
1243
1244
}
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
void console_color_init ( DisplayState * ds )
{
int i , j ;
for ( j = 0 ; j < 2 ; j ++ ) {
for ( i = 0 ; i < 8 ; i ++ ) {
color_table [ j ][ i ] = col_expand ( ds ,
vga_get_color ( ds , color_table_rgb [ j ][ i ]));
}
}
}
ths
authored
18 years ago
1256
CharDriverState * text_console_init ( DisplayState * ds , const char * p )
1257
1258
1259
{
CharDriverState * chr ;
TextConsole * s ;
ths
authored
18 years ago
1260
1261
unsigned width ;
unsigned height ;
1262
static int color_inited ;
1263
1264
1265
1266
chr = qemu_mallocz ( sizeof ( CharDriverState ));
if ( ! chr )
return NULL ;
1267
s = new_console ( ds , TEXT_CONSOLE );
1268
1269
1270
1271
if ( ! s ) {
free ( chr );
return NULL ;
}
1272
1273
1274
if ( ! p )
p = DEFAULT_MONITOR_SIZE ;
1275
1276
chr -> opaque = s ;
chr -> chr_write = console_puts ;
1277
1278
chr -> chr_send_event = console_send_event ;
1279
s -> chr = chr ;
1280
1281
1282
s -> out_fifo . buf = s -> out_fifo_buf ;
s -> out_fifo . buf_size = sizeof ( s -> out_fifo_buf );
s -> kbd_timer = qemu_new_timer ( rt_clock , kbd_send_chars , s );
ths
authored
18 years ago
1283
1284
1285
if ( ! color_inited ) {
color_inited = 1 ;
1286
console_color_init ( s -> ds );
1287
1288
1289
1290
1291
1292
}
s -> y_displayed = 0 ;
s -> y_base = 0 ;
s -> total_height = DEFAULT_BACKSCROLL ;
s -> x = 0 ;
s -> y = 0 ;
ths
authored
18 years ago
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
width = s -> ds -> width ;
height = s -> ds -> height ;
if ( p != 0 ) {
width = strtoul ( p , ( char ** ) & p , 10 );
if ( * p == 'C' ) {
p ++ ;
width *= FONT_WIDTH ;
}
if ( * p == 'x' ) {
p ++ ;
height = strtoul ( p , ( char ** ) & p , 10 );
if ( * p == 'C' ) {
p ++ ;
height *= FONT_HEIGHT ;
}
}
}
s -> g_width = width ;
s -> g_height = height ;
1312
1313
1314
1315
1316
s -> hw_invalidate = text_console_invalidate ;
s -> hw_text_update = text_console_update ;
s -> hw = s ;
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
/* Set text attribute defaults */
s -> t_attrib_default . bold = 0 ;
s -> t_attrib_default . uline = 0 ;
s -> t_attrib_default . blink = 0 ;
s -> t_attrib_default . invers = 0 ;
s -> t_attrib_default . unvisible = 0 ;
s -> t_attrib_default . fgcol = COLOR_WHITE ;
s -> t_attrib_default . bgcol = COLOR_BLACK ;
/* set current text attributes to default */
s -> t_attrib = s -> t_attrib_default ;
1328
1329
text_console_resize ( s );
ths
authored
18 years ago
1330
1331
qemu_chr_reset ( chr );
1332
1333
return chr ;
}
1334
1335
1336
void qemu_console_resize ( QEMUConsole * console , int width , int height )
{
1337
1338
if ( console -> g_width != width || console -> g_height != height
|| ! console -> ds -> data ) {
1339
1340
1341
1342
1343
1344
1345
console -> g_width = width ;
console -> g_height = height ;
if ( active_console == console ) {
dpy_resize ( console -> ds , width , height );
}
}
}