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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 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 ,
TEXT_CONSOLE ,
TEXT_CONSOLE_FIXED_SIZE
} 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 )
{
/* There is currently no was of specifying which screen we want to dump ,
so always dump the dirst one . */
if ( consoles [ 0 ] -> hw_screen_dump )
consoles [ 0 ] -> hw_screen_dump ( consoles [ 0 ] -> hw , filename );
}
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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 */
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18 years ago
584
vga_putcharxy ( s -> ds , x , y , c -> ch , & t_attrib );
585
} else {
ths
authored
18 years ago
586
vga_putcharxy ( s -> ds , x , y , c -> ch , & ( c -> t_attrib ));
587
}
ths
authored
18 years ago
588
dpy_update ( s -> ds , x * FONT_WIDTH , y * FONT_HEIGHT ,
589
590
591
592
593
594
595
596
597
598
FONT_WIDTH , FONT_HEIGHT );
}
}
}
static void console_refresh ( TextConsole * s )
{
TextCell * c ;
int x , y , y1 ;
ths
authored
18 years ago
599
if ( s != active_console )
600
return ;
601
602
603
604
605
606
607
608
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 ;
}
609
610
vga_fill_rect ( s -> ds , 0 , 0 , s -> ds -> width , s -> ds -> height ,
611
color_table [ 0 ][ COLOR_BLACK ]);
612
613
614
615
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
616
vga_putcharxy ( s -> ds , x , y , c -> ch ,
617
& ( c -> t_attrib ));
618
619
620
621
622
623
624
625
626
627
628
629
630
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
631
632
s = active_console ;
ths
authored
18 years ago
633
if ( ! s || ( s -> console_type == GRAPHIC_CONSOLE ))
634
635
636
637
638
639
640
641
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643
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646
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652
653
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658
659
660
661
662
663
664
665
666
667
668
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 ;
669
670
671
672
673
674
675
676
677
678
679
680
681
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 = ' ' ;
682
c -> t_attrib = s -> t_attrib_default ;
683
684
685
c ++ ;
}
if ( s == active_console && s -> y_displayed == s -> y_base ) {
686
687
688
689
690
691
692
693
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
694
695
vga_bitblt ( s -> ds , 0 , FONT_HEIGHT , 0 , 0 ,
s -> width * FONT_WIDTH ,
696
697
( s -> height - 1 ) * FONT_HEIGHT );
vga_fill_rect ( s -> ds , 0 , ( s -> height - 1 ) * FONT_HEIGHT ,
ths
authored
18 years ago
698
s -> width * FONT_WIDTH , FONT_HEIGHT ,
699
color_table [ 0 ][ s -> t_attrib_default . bgcol ]);
ths
authored
18 years ago
700
dpy_update ( s -> ds , 0 , 0 ,
701
702
703
704
705
s -> width * FONT_WIDTH , s -> height * FONT_HEIGHT );
}
}
}
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
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728
729
730
731
732
733
734
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736
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738
739
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741
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758
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764
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766
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769
770
771
772
773
774
775
776
777
778
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780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
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798
799
800
801
802
/* 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
803
804
805
806
807
808
809
810
811
812
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 );
}
813
814
815
static void console_putchar ( TextConsole * s , int ch )
{
TextCell * c ;
ths
authored
18 years ago
816
817
int y1 , i ;
int x , y ;
818
819
820
821
switch ( s -> state ) {
case TTY_STATE_NORM :
switch ( ch ) {
822
case '\r' : /* carriage return */
823
824
s -> x = 0 ;
break ;
825
case '\n' : /* newline */
826
827
console_put_lf ( s );
break ;
828
case '\b' : /* backspace */
ths
authored
18 years ago
829
if ( s -> x > 0 )
830
s -> x -- ;
831
832
833
break ;
case '\t' : /* tabspace */
if ( s -> x + ( 8 - ( s -> x % 8 )) > s -> width ) {
834
s -> x = 0 ;
835
836
837
838
839
840
841
842
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
843
844
845
846
847
848
case 14 :
/* SI (shift in), character set 0 (ignored) */
break ;
case 15 :
/* SO (shift out), character set 1 (ignored) */
break ;
849
case 27 : /* esc (introducing an escape sequence) */
850
851
852
s -> state = TTY_STATE_ESC ;
break ;
default :
ths
authored
18 years ago
853
854
855
856
if ( s -> x >= s -> width ) {
/* line wrap */
s -> x = 0 ;
console_put_lf ( s );
ths
authored
18 years ago
857
}
858
859
860
y1 = ( s -> y_base + s -> y ) % s -> total_height ;
c = & s -> cells [ y1 * s -> width + s -> x ];
c -> ch = ch ;
861
c -> t_attrib = s -> t_attrib ;
862
863
864
865
866
update_xy ( s , s -> x , s -> y );
s -> x ++ ;
break ;
}
break ;
867
case TTY_STATE_ESC : /* check if it is a terminal escape sequence */
868
869
870
871
872
873
874
875
876
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 ;
877
case TTY_STATE_CSI : /* handle escape sequence parameters */
878
879
if ( ch >= '0' && ch <= '9' ) {
if ( s -> nb_esc_params < MAX_ESC_PARAMS ) {
ths
authored
18 years ago
880
s -> esc_params [ s -> nb_esc_params ] =
881
882
883
884
885
886
s -> esc_params [ s -> nb_esc_params ] * 10 + ch - '0' ;
}
} else {
s -> nb_esc_params ++ ;
if ( ch == ';' )
break ;
ths
authored
18 years ago
887
888
889
890
# 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
891
892
s -> state = TTY_STATE_NORM ;
switch ( ch ) {
ths
authored
18 years ago
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
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 ;
}
912
913
break ;
case 'C' :
ths
authored
18 years ago
914
915
916
917
918
919
920
921
/* 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 ;
}
922
break ;
ths
authored
18 years ago
923
924
925
926
927
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
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 ;
}
985
case 'K' :
ths
authored
18 years ago
986
987
switch ( s -> esc_params [ 0 ]) {
case 0 :
988
989
/* clear to eol */
for ( x = s -> x ; x < s -> width ; x ++ ) {
ths
authored
18 years ago
990
console_clear_xy ( s , x , s -> y );
991
992
}
break ;
ths
authored
18 years ago
993
994
995
996
997
998
999
1000
1001
1002
1003
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 );
}
1004
1005
break ;
}
ths
authored
18 years ago
1006
1007
break ;
case 'm' :
1008
console_handle_escape ( s );
1009
break ;
ths
authored
18 years ago
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
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 ;
1031
1032
1033
1034
1035
1036
1037
}
}
}
void console_select ( unsigned int index )
{
TextConsole * s ;
1038
1039
1040
1041
1042
1043
if ( index >= MAX_CONSOLES )
return ;
s = consoles [ index ];
if ( s ) {
active_console = s ;
1044
vga_hw_invalidate ();
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
}
}
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 ;
}
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
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 ;
}
}
}
}
1076
1077
1078
1079
1080
static void kbd_send_chars ( void * opaque )
{
TextConsole * s = opaque ;
int len ;
uint8_t buf [ 16 ];
ths
authored
18 years ago
1081
1082
len = qemu_chr_can_read ( s -> chr );
1083
1084
1085
1086
1087
1088
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 );
1089
qemu_chr_read ( s -> chr , buf , len );
1090
1091
1092
1093
1094
1095
1096
1097
}
/* 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 );
}
}
1098
1099
1100
1101
1102
1103
1104
1105
/* 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
1106
if ( ! s || ( s -> console_type == GRAPHIC_CONSOLE ))
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
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 :
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
/* 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 {
1138
* q ++ = keysym ;
1139
}
1140
if ( s -> chr -> chr_read ) {
1141
1142
qemu_fifo_write ( & s -> out_fifo , buf , q - buf );
kbd_send_chars ( s );
1143
1144
1145
1146
1147
}
break ;
}
}
1148
1149
1150
1151
1152
1153
1154
1155
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
1190
1191
1192
1193
static void text_console_invalidate ( void * opaque )
{
TextConsole * s = ( TextConsole * ) opaque ;
if ( s -> console_type != GRAPHIC_CONSOLE ) {
if ( s -> g_width != s -> ds -> width ||
s -> g_height != s -> ds -> height ) {
if ( s -> console_type == TEXT_CONSOLE_FIXED_SIZE )
dpy_resize ( s -> ds , s -> g_width , s -> g_height );
else {
s -> g_width = s -> ds -> width ;
s -> g_height = s -> ds -> height ;
text_console_resize ( s );
}
}
}
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
1194
static TextConsole * new_console ( DisplayState * ds , console_type_t console_type )
1195
1196
{
TextConsole * s ;
1197
int i ;
1198
1199
1200
1201
1202
1203
1204
if ( nb_consoles >= MAX_CONSOLES )
return NULL ;
s = qemu_mallocz ( sizeof ( TextConsole ));
if ( ! s ) {
return NULL ;
}
ths
authored
18 years ago
1205
1206
if ( ! active_console || (( active_console -> console_type != GRAPHIC_CONSOLE ) &&
( console_type == GRAPHIC_CONSOLE ))) {
1207
active_console = s ;
ths
authored
18 years ago
1208
}
1209
s -> ds = ds ;
ths
authored
18 years ago
1210
1211
s -> console_type = console_type ;
if ( console_type != GRAPHIC_CONSOLE ) {
1212
1213
1214
1215
consoles [ nb_consoles ++ ] = s ;
} else {
/* HACK: Put graphical consoles before text consoles. */
for ( i = nb_consoles ; i > 0 ; i -- ) {
ths
authored
18 years ago
1216
if ( consoles [ i - 1 ] -> console_type == GRAPHIC_CONSOLE )
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
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 ,
1228
vga_hw_text_update_ptr text_update ,
1229
1230
1231
1232
void * opaque )
{
TextConsole * s ;
ths
authored
18 years ago
1233
s = new_console ( ds , GRAPHIC_CONSOLE );
1234
1235
1236
1237
1238
if ( ! s )
return NULL ;
s -> hw_update = update ;
s -> hw_invalidate = invalidate ;
s -> hw_screen_dump = screen_dump ;
1239
s -> hw_text_update = text_update ;
1240
s -> hw = opaque ;
1241
1242
1243
return s ;
}
1244
int is_graphic_console ( void )
1245
{
1246
return active_console && active_console -> console_type == GRAPHIC_CONSOLE ;
1247
1248
}
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
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
1260
CharDriverState * text_console_init ( DisplayState * ds , const char * p )
1261
1262
1263
{
CharDriverState * chr ;
TextConsole * s ;
ths
authored
18 years ago
1264
1265
unsigned width ;
unsigned height ;
1266
static int color_inited ;
1267
1268
1269
1270
chr = qemu_mallocz ( sizeof ( CharDriverState ));
if ( ! chr )
return NULL ;
ths
authored
18 years ago
1271
s = new_console ( ds , ( p == 0 ) ? TEXT_CONSOLE : TEXT_CONSOLE_FIXED_SIZE );
1272
1273
1274
1275
1276
1277
if ( ! s ) {
free ( chr );
return NULL ;
}
chr -> opaque = s ;
chr -> chr_write = console_puts ;
1278
1279
chr -> chr_send_event = console_send_event ;
1280
s -> chr = chr ;
1281
1282
1283
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
1284
1285
1286
if ( ! color_inited ) {
color_inited = 1 ;
1287
console_color_init ( s -> ds );
1288
1289
1290
1291
1292
1293
}
s -> y_displayed = 0 ;
s -> y_base = 0 ;
s -> total_height = DEFAULT_BACKSCROLL ;
s -> x = 0 ;
s -> y = 0 ;
ths
authored
18 years ago
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
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 ;
1313
1314
1315
1316
1317
s -> hw_invalidate = text_console_invalidate ;
s -> hw_text_update = text_console_update ;
s -> hw = s ;
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
/* 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 ;
1329
1330
text_console_resize ( s );
ths
authored
18 years ago
1331
1332
qemu_chr_reset ( chr );
1333
1334
return chr ;
}