2 * QEMU graphical console
4 * Copyright (c) 2004 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 #include "qemu-common.h"
25 #include "ui/console.h"
26 #include "qemu/timer.h"
27 #include "qmp-commands.h"
28 #include "char/char.h"
30 //#define DEBUG_CONSOLE
31 #define DEFAULT_BACKSCROLL 512
32 #define MAX_CONSOLES 12
33 #define CONSOLE_CURSOR_PERIOD 500
35 #define QEMU_RGBA(r, g, b, a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
36 #define QEMU_RGB(r, g, b) QEMU_RGBA(r, g, b, 0xff)
38 typedef struct TextAttributes
{
48 typedef struct TextCell
{
50 TextAttributes t_attrib
;
53 #define MAX_ESC_PARAMS 3
61 typedef struct QEMUFIFO
{
64 int count
, wptr
, rptr
;
67 static int qemu_fifo_write(QEMUFIFO
*f
, const uint8_t *buf
, int len1
)
71 l
= f
->buf_size
- f
->count
;
76 l
= f
->buf_size
- f
->wptr
;
79 memcpy(f
->buf
+ f
->wptr
, buf
, l
);
81 if (f
->wptr
>= f
->buf_size
)
90 static int qemu_fifo_read(QEMUFIFO
*f
, uint8_t *buf
, int len1
)
98 l
= f
->buf_size
- f
->rptr
;
101 memcpy(buf
, f
->buf
+ f
->rptr
, l
);
103 if (f
->rptr
>= f
->buf_size
)
115 TEXT_CONSOLE_FIXED_SIZE
120 console_type_t console_type
;
123 /* Graphic console state. */
124 vga_hw_update_ptr hw_update
;
125 vga_hw_invalidate_ptr hw_invalidate
;
126 vga_hw_screen_dump_ptr hw_screen_dump
;
127 vga_hw_text_update_ptr hw_text_update
;
129 int g_width
, g_height
;
131 /* Text console state */
135 int backscroll_height
;
137 int x_saved
, y_saved
;
140 TextAttributes t_attrib_default
; /* default text attributes */
141 TextAttributes t_attrib
; /* currently active text attributes */
143 int text_x
[2], text_y
[2], cursor_invalidate
;
145 bool cursor_visible_phase
;
146 QEMUTimer
*cursor_timer
;
154 int esc_params
[MAX_ESC_PARAMS
];
157 CharDriverState
*chr
;
158 /* fifo for key pressed */
160 uint8_t out_fifo_buf
[16];
161 QEMUTimer
*kbd_timer
;
164 static DisplayState
*display_state
;
165 static QemuConsole
*active_console
;
166 static QemuConsole
*consoles
[MAX_CONSOLES
];
167 static int nb_consoles
= 0;
169 void vga_hw_update(void)
171 if (active_console
&& active_console
->hw_update
)
172 active_console
->hw_update(active_console
->hw
);
175 void vga_hw_invalidate(void)
177 if (active_console
&& active_console
->hw_invalidate
)
178 active_console
->hw_invalidate(active_console
->hw
);
181 void qmp_screendump(const char *filename
, Error
**errp
)
183 QemuConsole
*previous_active_console
;
186 previous_active_console
= active_console
;
187 cswitch
= previous_active_console
&& previous_active_console
->index
!= 0;
189 /* There is currently no way of specifying which screen we want to dump,
190 so always dump the first one. */
194 if (consoles
[0] && consoles
[0]->hw_screen_dump
) {
195 consoles
[0]->hw_screen_dump(consoles
[0]->hw
, filename
, cswitch
, errp
);
197 error_setg(errp
, "device doesn't support screendump");
201 console_select(previous_active_console
->index
);
205 void vga_hw_text_update(console_ch_t
*chardata
)
207 if (active_console
&& active_console
->hw_text_update
)
208 active_console
->hw_text_update(active_console
->hw
, chardata
);
211 static void vga_fill_rect(QemuConsole
*con
,
212 int posx
, int posy
, int width
, int height
,
215 DisplaySurface
*surface
= qemu_console_surface(con
);
219 bpp
= surface_bytes_per_pixel(surface
);
220 d1
= surface_data(surface
) +
221 surface_stride(surface
) * posy
+ bpp
* posx
;
222 for (y
= 0; y
< height
; y
++) {
226 for (x
= 0; x
< width
; x
++) {
227 *((uint8_t *)d
) = color
;
232 for (x
= 0; x
< width
; x
++) {
233 *((uint16_t *)d
) = color
;
238 for (x
= 0; x
< width
; x
++) {
239 *((uint32_t *)d
) = color
;
244 d1
+= surface_stride(surface
);
248 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
249 static void vga_bitblt(QemuConsole
*con
,
250 int xs
, int ys
, int xd
, int yd
, int w
, int h
)
252 DisplaySurface
*surface
= qemu_console_surface(con
);
257 bpp
= surface_bytes_per_pixel(surface
);
260 s
= surface_data(surface
) +
261 surface_stride(surface
) * ys
+ bpp
* xs
;
262 d
= surface_data(surface
) +
263 surface_stride(surface
) * yd
+ bpp
* xd
;
264 for (y
= 0; y
< h
; y
++) {
266 d
+= surface_stride(surface
);
267 s
+= surface_stride(surface
);
270 s
= surface_data(surface
) +
271 surface_stride(surface
) * (ys
+ h
- 1) + bpp
* xs
;
272 d
= surface_data(surface
) +
273 surface_stride(surface
) * (yd
+ h
- 1) + bpp
* xd
;
274 for (y
= 0; y
< h
; y
++) {
276 d
-= surface_stride(surface
);
277 s
-= surface_stride(surface
);
282 /***********************************************************/
283 /* basic char display */
285 #define FONT_HEIGHT 16
290 #define cbswap_32(__x) \
292 (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
293 (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
294 (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
295 (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) ))
297 #ifdef HOST_WORDS_BIGENDIAN
300 #define PAT(x) cbswap_32(x)
303 static const uint32_t dmask16
[16] = {
322 static const uint32_t dmask4
[4] = {
329 #ifndef CONFIG_CURSES
342 static const uint32_t color_table_rgb
[2][8] = {
344 QEMU_RGB(0x00, 0x00, 0x00), /* black */
345 QEMU_RGB(0xaa, 0x00, 0x00), /* red */
346 QEMU_RGB(0x00, 0xaa, 0x00), /* green */
347 QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
348 QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
349 QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
350 QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
351 QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
354 QEMU_RGB(0x00, 0x00, 0x00), /* black */
355 QEMU_RGB(0xff, 0x00, 0x00), /* red */
356 QEMU_RGB(0x00, 0xff, 0x00), /* green */
357 QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
358 QEMU_RGB(0x00, 0x00, 0xff), /* blue */
359 QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
360 QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
361 QEMU_RGB(0xff, 0xff, 0xff), /* white */
366 static void console_print_text_attributes(TextAttributes
*t_attrib
, char ch
)
368 if (t_attrib
->bold
) {
373 if (t_attrib
->uline
) {
378 if (t_attrib
->blink
) {
383 if (t_attrib
->invers
) {
388 if (t_attrib
->unvisible
) {
394 printf(" fg: %d bg: %d ch:'%2X' '%c'\n", t_attrib
->fgcol
, t_attrib
->bgcol
, ch
, ch
);
398 static void vga_putcharxy(QemuConsole
*s
, int x
, int y
, int ch
,
399 TextAttributes
*t_attrib
)
401 DisplaySurface
*surface
= qemu_console_surface(s
);
403 const uint8_t *font_ptr
;
404 unsigned int font_data
, linesize
, xorcol
, bpp
;
406 unsigned int fgcol
, bgcol
;
409 printf("x: %2i y: %2i", x
, y
);
410 console_print_text_attributes(t_attrib
, ch
);
413 if (t_attrib
->invers
) {
414 bgcol
= color_table_rgb
[t_attrib
->bold
][t_attrib
->fgcol
];
415 fgcol
= color_table_rgb
[t_attrib
->bold
][t_attrib
->bgcol
];
417 fgcol
= color_table_rgb
[t_attrib
->bold
][t_attrib
->fgcol
];
418 bgcol
= color_table_rgb
[t_attrib
->bold
][t_attrib
->bgcol
];
421 bpp
= surface_bytes_per_pixel(surface
);
422 d
= surface_data(surface
) +
423 surface_stride(surface
) * y
* FONT_HEIGHT
+ bpp
* x
* FONT_WIDTH
;
424 linesize
= surface_stride(surface
);
425 font_ptr
= vgafont16
+ FONT_HEIGHT
* ch
;
426 xorcol
= bgcol
^ fgcol
;
427 switch (surface_bits_per_pixel(surface
)) {
429 for(i
= 0; i
< FONT_HEIGHT
; i
++) {
430 font_data
= *font_ptr
++;
432 && ((i
== FONT_HEIGHT
- 2) || (i
== FONT_HEIGHT
- 3))) {
435 ((uint32_t *)d
)[0] = (dmask16
[(font_data
>> 4)] & xorcol
) ^ bgcol
;
436 ((uint32_t *)d
)[1] = (dmask16
[(font_data
>> 0) & 0xf] & xorcol
) ^ bgcol
;
442 for(i
= 0; i
< FONT_HEIGHT
; i
++) {
443 font_data
= *font_ptr
++;
445 && ((i
== FONT_HEIGHT
- 2) || (i
== FONT_HEIGHT
- 3))) {
448 ((uint32_t *)d
)[0] = (dmask4
[(font_data
>> 6)] & xorcol
) ^ bgcol
;
449 ((uint32_t *)d
)[1] = (dmask4
[(font_data
>> 4) & 3] & xorcol
) ^ bgcol
;
450 ((uint32_t *)d
)[2] = (dmask4
[(font_data
>> 2) & 3] & xorcol
) ^ bgcol
;
451 ((uint32_t *)d
)[3] = (dmask4
[(font_data
>> 0) & 3] & xorcol
) ^ bgcol
;
456 for(i
= 0; i
< FONT_HEIGHT
; i
++) {
457 font_data
= *font_ptr
++;
458 if (t_attrib
->uline
&& ((i
== FONT_HEIGHT
- 2) || (i
== FONT_HEIGHT
- 3))) {
461 ((uint32_t *)d
)[0] = (-((font_data
>> 7)) & xorcol
) ^ bgcol
;
462 ((uint32_t *)d
)[1] = (-((font_data
>> 6) & 1) & xorcol
) ^ bgcol
;
463 ((uint32_t *)d
)[2] = (-((font_data
>> 5) & 1) & xorcol
) ^ bgcol
;
464 ((uint32_t *)d
)[3] = (-((font_data
>> 4) & 1) & xorcol
) ^ bgcol
;
465 ((uint32_t *)d
)[4] = (-((font_data
>> 3) & 1) & xorcol
) ^ bgcol
;
466 ((uint32_t *)d
)[5] = (-((font_data
>> 2) & 1) & xorcol
) ^ bgcol
;
467 ((uint32_t *)d
)[6] = (-((font_data
>> 1) & 1) & xorcol
) ^ bgcol
;
468 ((uint32_t *)d
)[7] = (-((font_data
>> 0) & 1) & xorcol
) ^ bgcol
;
475 static void text_console_resize(QemuConsole
*s
)
477 TextCell
*cells
, *c
, *c1
;
478 int w1
, x
, y
, last_width
;
480 last_width
= s
->width
;
481 s
->width
= s
->g_width
/ FONT_WIDTH
;
482 s
->height
= s
->g_height
/ FONT_HEIGHT
;
488 cells
= g_malloc(s
->width
* s
->total_height
* sizeof(TextCell
));
489 for(y
= 0; y
< s
->total_height
; y
++) {
490 c
= &cells
[y
* s
->width
];
492 c1
= &s
->cells
[y
* last_width
];
493 for(x
= 0; x
< w1
; x
++) {
497 for(x
= w1
; x
< s
->width
; x
++) {
499 c
->t_attrib
= s
->t_attrib_default
;
507 static inline void text_update_xy(QemuConsole
*s
, int x
, int y
)
509 s
->text_x
[0] = MIN(s
->text_x
[0], x
);
510 s
->text_x
[1] = MAX(s
->text_x
[1], x
);
511 s
->text_y
[0] = MIN(s
->text_y
[0], y
);
512 s
->text_y
[1] = MAX(s
->text_y
[1], y
);
515 static void invalidate_xy(QemuConsole
*s
, int x
, int y
)
517 if (s
->update_x0
> x
* FONT_WIDTH
)
518 s
->update_x0
= x
* FONT_WIDTH
;
519 if (s
->update_y0
> y
* FONT_HEIGHT
)
520 s
->update_y0
= y
* FONT_HEIGHT
;
521 if (s
->update_x1
< (x
+ 1) * FONT_WIDTH
)
522 s
->update_x1
= (x
+ 1) * FONT_WIDTH
;
523 if (s
->update_y1
< (y
+ 1) * FONT_HEIGHT
)
524 s
->update_y1
= (y
+ 1) * FONT_HEIGHT
;
527 static void update_xy(QemuConsole
*s
, int x
, int y
)
532 if (s
!= active_console
) {
536 if (s
->ds
->have_text
) {
537 text_update_xy(s
, x
, y
);
540 if (s
->ds
->have_gfx
) {
541 y1
= (s
->y_base
+ y
) % s
->total_height
;
542 y2
= y1
- s
->y_displayed
;
544 y2
+= s
->total_height
;
545 if (y2
< s
->height
) {
546 c
= &s
->cells
[y1
* s
->width
+ x
];
547 vga_putcharxy(s
, x
, y2
, c
->ch
,
549 invalidate_xy(s
, x
, y2
);
554 static void console_show_cursor(QemuConsole
*s
, int show
)
560 if (s
!= active_console
) {
564 if (s
->ds
->have_text
) {
565 s
->cursor_invalidate
= 1;
568 if (s
->ds
->have_gfx
) {
572 y1
= (s
->y_base
+ s
->y
) % s
->total_height
;
573 y
= y1
- s
->y_displayed
;
575 y
+= s
->total_height
;
577 c
= &s
->cells
[y1
* s
->width
+ x
];
578 if (show
&& s
->cursor_visible_phase
) {
579 TextAttributes t_attrib
= s
->t_attrib_default
;
580 t_attrib
.invers
= !(t_attrib
.invers
); /* invert fg and bg */
581 vga_putcharxy(s
, x
, y
, c
->ch
, &t_attrib
);
583 vga_putcharxy(s
, x
, y
, c
->ch
, &(c
->t_attrib
));
585 invalidate_xy(s
, x
, y
);
590 static void console_refresh(QemuConsole
*s
)
592 DisplaySurface
*surface
= qemu_console_surface(s
);
596 if (s
!= active_console
)
599 if (s
->ds
->have_text
) {
602 s
->text_x
[1] = s
->width
- 1;
603 s
->text_y
[1] = s
->height
- 1;
604 s
->cursor_invalidate
= 1;
607 if (s
->ds
->have_gfx
) {
608 vga_fill_rect(s
, 0, 0, surface_width(surface
), surface_height(surface
),
609 color_table_rgb
[0][COLOR_BLACK
]);
611 for (y
= 0; y
< s
->height
; y
++) {
612 c
= s
->cells
+ y1
* s
->width
;
613 for (x
= 0; x
< s
->width
; x
++) {
614 vga_putcharxy(s
, x
, y
, c
->ch
,
618 if (++y1
== s
->total_height
) {
622 console_show_cursor(s
, 1);
623 dpy_gfx_update(s
, 0, 0,
624 surface_width(surface
), surface_height(surface
));
628 static void console_scroll(int ydelta
)
634 if (!s
|| (s
->console_type
== GRAPHIC_CONSOLE
))
638 for(i
= 0; i
< ydelta
; i
++) {
639 if (s
->y_displayed
== s
->y_base
)
641 if (++s
->y_displayed
== s
->total_height
)
646 i
= s
->backscroll_height
;
647 if (i
> s
->total_height
- s
->height
)
648 i
= s
->total_height
- s
->height
;
651 y1
+= s
->total_height
;
652 for(i
= 0; i
< ydelta
; i
++) {
653 if (s
->y_displayed
== y1
)
655 if (--s
->y_displayed
< 0)
656 s
->y_displayed
= s
->total_height
- 1;
662 static void console_put_lf(QemuConsole
*s
)
668 if (s
->y
>= s
->height
) {
669 s
->y
= s
->height
- 1;
671 if (s
->y_displayed
== s
->y_base
) {
672 if (++s
->y_displayed
== s
->total_height
)
675 if (++s
->y_base
== s
->total_height
)
677 if (s
->backscroll_height
< s
->total_height
)
678 s
->backscroll_height
++;
679 y1
= (s
->y_base
+ s
->height
- 1) % s
->total_height
;
680 c
= &s
->cells
[y1
* s
->width
];
681 for(x
= 0; x
< s
->width
; x
++) {
683 c
->t_attrib
= s
->t_attrib_default
;
686 if (s
== active_console
&& s
->y_displayed
== s
->y_base
) {
687 if (s
->ds
->have_text
) {
690 s
->text_x
[1] = s
->width
- 1;
691 s
->text_y
[1] = s
->height
- 1;
694 if (s
->ds
->have_gfx
) {
695 vga_bitblt(s
, 0, FONT_HEIGHT
, 0, 0,
696 s
->width
* FONT_WIDTH
,
697 (s
->height
- 1) * FONT_HEIGHT
);
698 vga_fill_rect(s
, 0, (s
->height
- 1) * FONT_HEIGHT
,
699 s
->width
* FONT_WIDTH
, FONT_HEIGHT
,
700 color_table_rgb
[0][s
->t_attrib_default
.bgcol
]);
703 s
->update_x1
= s
->width
* FONT_WIDTH
;
704 s
->update_y1
= s
->height
* FONT_HEIGHT
;
710 /* Set console attributes depending on the current escape codes.
711 * NOTE: I know this code is not very efficient (checking every color for it
712 * self) but it is more readable and better maintainable.
714 static void console_handle_escape(QemuConsole
*s
)
718 for (i
=0; i
<s
->nb_esc_params
; i
++) {
719 switch (s
->esc_params
[i
]) {
720 case 0: /* reset all console attributes to default */
721 s
->t_attrib
= s
->t_attrib_default
;
724 s
->t_attrib
.bold
= 1;
727 s
->t_attrib
.uline
= 1;
730 s
->t_attrib
.blink
= 1;
733 s
->t_attrib
.invers
= 1;
736 s
->t_attrib
.unvisible
= 1;
739 s
->t_attrib
.bold
= 0;
742 s
->t_attrib
.uline
= 0;
745 s
->t_attrib
.blink
= 0;
748 s
->t_attrib
.invers
= 0;
751 s
->t_attrib
.unvisible
= 0;
753 /* set foreground color */
755 s
->t_attrib
.fgcol
=COLOR_BLACK
;
758 s
->t_attrib
.fgcol
=COLOR_RED
;
761 s
->t_attrib
.fgcol
=COLOR_GREEN
;
764 s
->t_attrib
.fgcol
=COLOR_YELLOW
;
767 s
->t_attrib
.fgcol
=COLOR_BLUE
;
770 s
->t_attrib
.fgcol
=COLOR_MAGENTA
;
773 s
->t_attrib
.fgcol
=COLOR_CYAN
;
776 s
->t_attrib
.fgcol
=COLOR_WHITE
;
778 /* set background color */
780 s
->t_attrib
.bgcol
=COLOR_BLACK
;
783 s
->t_attrib
.bgcol
=COLOR_RED
;
786 s
->t_attrib
.bgcol
=COLOR_GREEN
;
789 s
->t_attrib
.bgcol
=COLOR_YELLOW
;
792 s
->t_attrib
.bgcol
=COLOR_BLUE
;
795 s
->t_attrib
.bgcol
=COLOR_MAGENTA
;
798 s
->t_attrib
.bgcol
=COLOR_CYAN
;
801 s
->t_attrib
.bgcol
=COLOR_WHITE
;
807 static void console_clear_xy(QemuConsole
*s
, int x
, int y
)
809 int y1
= (s
->y_base
+ y
) % s
->total_height
;
810 TextCell
*c
= &s
->cells
[y1
* s
->width
+ x
];
812 c
->t_attrib
= s
->t_attrib_default
;
816 /* set cursor, checking bounds */
817 static void set_cursor(QemuConsole
*s
, int x
, int y
)
825 if (y
>= s
->height
) {
836 static void console_putchar(QemuConsole
*s
, int ch
)
845 case '\r': /* carriage return */
848 case '\n': /* newline */
851 case '\b': /* backspace */
855 case '\t': /* tabspace */
856 if (s
->x
+ (8 - (s
->x
% 8)) > s
->width
) {
860 s
->x
= s
->x
+ (8 - (s
->x
% 8));
863 case '\a': /* alert aka. bell */
864 /* TODO: has to be implemented */
867 /* SI (shift in), character set 0 (ignored) */
870 /* SO (shift out), character set 1 (ignored) */
872 case 27: /* esc (introducing an escape sequence) */
873 s
->state
= TTY_STATE_ESC
;
876 if (s
->x
>= s
->width
) {
881 y1
= (s
->y_base
+ s
->y
) % s
->total_height
;
882 c
= &s
->cells
[y1
* s
->width
+ s
->x
];
884 c
->t_attrib
= s
->t_attrib
;
885 update_xy(s
, s
->x
, s
->y
);
890 case TTY_STATE_ESC
: /* check if it is a terminal escape sequence */
892 for(i
=0;i
<MAX_ESC_PARAMS
;i
++)
893 s
->esc_params
[i
] = 0;
894 s
->nb_esc_params
= 0;
895 s
->state
= TTY_STATE_CSI
;
897 s
->state
= TTY_STATE_NORM
;
900 case TTY_STATE_CSI
: /* handle escape sequence parameters */
901 if (ch
>= '0' && ch
<= '9') {
902 if (s
->nb_esc_params
< MAX_ESC_PARAMS
) {
903 int *param
= &s
->esc_params
[s
->nb_esc_params
];
904 int digit
= (ch
- '0');
906 *param
= (*param
<= (INT_MAX
- digit
) / 10) ?
907 *param
* 10 + digit
: INT_MAX
;
910 if (s
->nb_esc_params
< MAX_ESC_PARAMS
)
915 fprintf(stderr
, "escape sequence CSI%d;%d%c, %d parameters\n",
916 s
->esc_params
[0], s
->esc_params
[1], ch
, s
->nb_esc_params
);
918 s
->state
= TTY_STATE_NORM
;
922 if (s
->esc_params
[0] == 0) {
923 s
->esc_params
[0] = 1;
925 set_cursor(s
, s
->x
, s
->y
- s
->esc_params
[0]);
928 /* move cursor down */
929 if (s
->esc_params
[0] == 0) {
930 s
->esc_params
[0] = 1;
932 set_cursor(s
, s
->x
, s
->y
+ s
->esc_params
[0]);
935 /* move cursor right */
936 if (s
->esc_params
[0] == 0) {
937 s
->esc_params
[0] = 1;
939 set_cursor(s
, s
->x
+ s
->esc_params
[0], s
->y
);
942 /* move cursor left */
943 if (s
->esc_params
[0] == 0) {
944 s
->esc_params
[0] = 1;
946 set_cursor(s
, s
->x
- s
->esc_params
[0], s
->y
);
949 /* move cursor to column */
950 set_cursor(s
, s
->esc_params
[0] - 1, s
->y
);
954 /* move cursor to row, column */
955 set_cursor(s
, s
->esc_params
[1] - 1, s
->esc_params
[0] - 1);
958 switch (s
->esc_params
[0]) {
960 /* clear to end of screen */
961 for (y
= s
->y
; y
< s
->height
; y
++) {
962 for (x
= 0; x
< s
->width
; x
++) {
963 if (y
== s
->y
&& x
< s
->x
) {
966 console_clear_xy(s
, x
, y
);
971 /* clear from beginning of screen */
972 for (y
= 0; y
<= s
->y
; y
++) {
973 for (x
= 0; x
< s
->width
; x
++) {
974 if (y
== s
->y
&& x
> s
->x
) {
977 console_clear_xy(s
, x
, y
);
982 /* clear entire screen */
983 for (y
= 0; y
<= s
->height
; y
++) {
984 for (x
= 0; x
< s
->width
; x
++) {
985 console_clear_xy(s
, x
, y
);
992 switch (s
->esc_params
[0]) {
995 for(x
= s
->x
; x
< s
->width
; x
++) {
996 console_clear_xy(s
, x
, s
->y
);
1000 /* clear from beginning of line */
1001 for (x
= 0; x
<= s
->x
; x
++) {
1002 console_clear_xy(s
, x
, s
->y
);
1006 /* clear entire line */
1007 for(x
= 0; x
< s
->width
; x
++) {
1008 console_clear_xy(s
, x
, s
->y
);
1014 console_handle_escape(s
);
1017 /* report cursor position */
1018 /* TODO: send ESC[row;colR */
1021 /* save cursor position */
1026 /* restore cursor position */
1031 #ifdef DEBUG_CONSOLE
1032 fprintf(stderr
, "unhandled escape character '%c'\n", ch
);
1041 void console_select(unsigned int index
)
1043 DisplaySurface
*surface
;
1046 if (index
>= MAX_CONSOLES
)
1048 if (active_console
) {
1049 surface
= qemu_console_surface(active_console
);
1050 active_console
->g_width
= surface_width(surface
);
1051 active_console
->g_height
= surface_height(surface
);
1053 s
= consoles
[index
];
1055 DisplayState
*ds
= s
->ds
;
1057 if (active_console
&& active_console
->cursor_timer
) {
1058 qemu_del_timer(active_console
->cursor_timer
);
1062 surface
= qemu_create_displaysurface(s
->g_width
, s
->g_height
);
1063 dpy_gfx_replace_surface(s
, surface
);
1065 if (ds
->have_text
) {
1066 dpy_text_resize(s
, s
->width
, s
->height
);
1068 if (s
->cursor_timer
) {
1069 qemu_mod_timer(s
->cursor_timer
,
1070 qemu_get_clock_ms(rt_clock
) + CONSOLE_CURSOR_PERIOD
/ 2);
1072 vga_hw_invalidate();
1076 static int console_puts(CharDriverState
*chr
, const uint8_t *buf
, int len
)
1078 QemuConsole
*s
= chr
->opaque
;
1081 s
->update_x0
= s
->width
* FONT_WIDTH
;
1082 s
->update_y0
= s
->height
* FONT_HEIGHT
;
1085 console_show_cursor(s
, 0);
1086 for(i
= 0; i
< len
; i
++) {
1087 console_putchar(s
, buf
[i
]);
1089 console_show_cursor(s
, 1);
1090 if (s
->ds
->have_gfx
&& s
->update_x0
< s
->update_x1
) {
1091 dpy_gfx_update(s
, s
->update_x0
, s
->update_y0
,
1092 s
->update_x1
- s
->update_x0
,
1093 s
->update_y1
- s
->update_y0
);
1098 static void kbd_send_chars(void *opaque
)
1100 QemuConsole
*s
= opaque
;
1104 len
= qemu_chr_be_can_write(s
->chr
);
1105 if (len
> s
->out_fifo
.count
)
1106 len
= s
->out_fifo
.count
;
1108 if (len
> sizeof(buf
))
1110 qemu_fifo_read(&s
->out_fifo
, buf
, len
);
1111 qemu_chr_be_write(s
->chr
, buf
, len
);
1113 /* characters are pending: we send them a bit later (XXX:
1114 horrible, should change char device API) */
1115 if (s
->out_fifo
.count
> 0) {
1116 qemu_mod_timer(s
->kbd_timer
, qemu_get_clock_ms(rt_clock
) + 1);
1120 /* called when an ascii key is pressed */
1121 void kbd_put_keysym(int keysym
)
1124 uint8_t buf
[16], *q
;
1128 if (!s
|| (s
->console_type
== GRAPHIC_CONSOLE
))
1132 case QEMU_KEY_CTRL_UP
:
1135 case QEMU_KEY_CTRL_DOWN
:
1138 case QEMU_KEY_CTRL_PAGEUP
:
1139 console_scroll(-10);
1141 case QEMU_KEY_CTRL_PAGEDOWN
:
1145 /* convert the QEMU keysym to VT100 key string */
1147 if (keysym
>= 0xe100 && keysym
<= 0xe11f) {
1150 c
= keysym
- 0xe100;
1152 *q
++ = '0' + (c
/ 10);
1153 *q
++ = '0' + (c
% 10);
1155 } else if (keysym
>= 0xe120 && keysym
<= 0xe17f) {
1158 *q
++ = keysym
& 0xff;
1159 } else if (s
->echo
&& (keysym
== '\r' || keysym
== '\n')) {
1160 console_puts(s
->chr
, (const uint8_t *) "\r", 1);
1166 console_puts(s
->chr
, buf
, q
- buf
);
1168 if (s
->chr
->chr_read
) {
1169 qemu_fifo_write(&s
->out_fifo
, buf
, q
- buf
);
1176 static void text_console_invalidate(void *opaque
)
1178 QemuConsole
*s
= (QemuConsole
*) opaque
;
1179 DisplaySurface
*surface
= qemu_console_surface(s
);
1181 if (s
->ds
->have_text
&& s
->console_type
== TEXT_CONSOLE
) {
1182 s
->g_width
= surface_width(surface
);
1183 s
->g_height
= surface_height(surface
);
1184 text_console_resize(s
);
1189 static void text_console_update(void *opaque
, console_ch_t
*chardata
)
1191 QemuConsole
*s
= (QemuConsole
*) opaque
;
1194 if (s
->text_x
[0] <= s
->text_x
[1]) {
1195 src
= (s
->y_base
+ s
->text_y
[0]) * s
->width
;
1196 chardata
+= s
->text_y
[0] * s
->width
;
1197 for (i
= s
->text_y
[0]; i
<= s
->text_y
[1]; i
++)
1198 for (j
= 0; j
< s
->width
; j
++, src
++)
1199 console_write_ch(chardata
++, s
->cells
[src
].ch
|
1200 (s
->cells
[src
].t_attrib
.fgcol
<< 12) |
1201 (s
->cells
[src
].t_attrib
.bgcol
<< 8) |
1202 (s
->cells
[src
].t_attrib
.bold
<< 21));
1203 dpy_text_update(s
, s
->text_x
[0], s
->text_y
[0],
1204 s
->text_x
[1] - s
->text_x
[0], i
- s
->text_y
[0]);
1205 s
->text_x
[0] = s
->width
;
1206 s
->text_y
[0] = s
->height
;
1210 if (s
->cursor_invalidate
) {
1211 dpy_text_cursor(s
, s
->x
, s
->y
);
1212 s
->cursor_invalidate
= 0;
1216 static QemuConsole
*new_console(DisplayState
*ds
, console_type_t console_type
)
1221 if (nb_consoles
>= MAX_CONSOLES
)
1223 s
= g_malloc0(sizeof(QemuConsole
));
1224 if (!active_console
|| ((active_console
->console_type
!= GRAPHIC_CONSOLE
) &&
1225 (console_type
== GRAPHIC_CONSOLE
))) {
1229 s
->console_type
= console_type
;
1230 if (console_type
!= GRAPHIC_CONSOLE
) {
1231 s
->index
= nb_consoles
;
1232 consoles
[nb_consoles
++] = s
;
1234 /* HACK: Put graphical consoles before text consoles. */
1235 for (i
= nb_consoles
; i
> 0; i
--) {
1236 if (consoles
[i
- 1]->console_type
== GRAPHIC_CONSOLE
)
1238 consoles
[i
] = consoles
[i
- 1];
1239 consoles
[i
]->index
= i
;
1248 static void qemu_alloc_display(DisplaySurface
*surface
, int width
, int height
,
1249 int linesize
, PixelFormat pf
, int newflags
)
1253 qemu_pixman_image_unref(surface
->image
);
1254 surface
->image
= NULL
;
1256 surface
->format
= qemu_pixman_get_format(&pf
);
1257 assert(surface
->format
!= 0);
1258 surface
->image
= pixman_image_create_bits(surface
->format
,
1261 assert(surface
->image
!= NULL
);
1263 surface
->flags
= newflags
| QEMU_ALLOCATED_FLAG
;
1264 #ifdef HOST_WORDS_BIGENDIAN
1265 surface
->flags
|= QEMU_BIG_ENDIAN_FLAG
;
1269 DisplaySurface
*qemu_create_displaysurface(int width
, int height
)
1271 DisplaySurface
*surface
= g_new0(DisplaySurface
, 1);
1272 int linesize
= width
* 4;
1274 trace_displaysurface_create(surface
, width
, height
);
1275 qemu_alloc_display(surface
, width
, height
, linesize
,
1276 qemu_default_pixelformat(32), 0);
1280 DisplaySurface
*qemu_create_displaysurface_from(int width
, int height
, int bpp
,
1281 int linesize
, uint8_t *data
,
1284 DisplaySurface
*surface
= g_new0(DisplaySurface
, 1);
1286 trace_displaysurface_create_from(surface
, width
, height
, bpp
, byteswap
);
1288 surface
->pf
= qemu_different_endianness_pixelformat(bpp
);
1290 surface
->pf
= qemu_default_pixelformat(bpp
);
1293 surface
->format
= qemu_pixman_get_format(&surface
->pf
);
1294 assert(surface
->format
!= 0);
1295 surface
->image
= pixman_image_create_bits(surface
->format
,
1297 (void *)data
, linesize
);
1298 assert(surface
->image
!= NULL
);
1300 #ifdef HOST_WORDS_BIGENDIAN
1301 surface
->flags
= QEMU_BIG_ENDIAN_FLAG
;
1307 void qemu_free_displaysurface(DisplaySurface
*surface
)
1309 if (surface
== NULL
) {
1312 trace_displaysurface_free(surface
);
1313 qemu_pixman_image_unref(surface
->image
);
1317 void register_displaychangelistener(DisplayState
*ds
,
1318 DisplayChangeListener
*dcl
)
1320 trace_displaychangelistener_register(dcl
, dcl
->ops
->dpy_name
);
1322 QLIST_INSERT_HEAD(&ds
->listeners
, dcl
, next
);
1323 gui_setup_refresh(ds
);
1324 if (dcl
->ops
->dpy_gfx_switch
) {
1325 dcl
->ops
->dpy_gfx_switch(dcl
, ds
->surface
);
1329 void unregister_displaychangelistener(DisplayChangeListener
*dcl
)
1331 DisplayState
*ds
= dcl
->ds
;
1332 trace_displaychangelistener_unregister(dcl
, dcl
->ops
->dpy_name
);
1333 QLIST_REMOVE(dcl
, next
);
1334 gui_setup_refresh(ds
);
1337 void dpy_gfx_update(QemuConsole
*con
, int x
, int y
, int w
, int h
)
1339 DisplayState
*s
= con
->ds
;
1340 struct DisplayChangeListener
*dcl
;
1341 int width
= pixman_image_get_width(s
->surface
->image
);
1342 int height
= pixman_image_get_height(s
->surface
->image
);
1348 w
= MIN(w
, width
- x
);
1349 h
= MIN(h
, height
- y
);
1351 QLIST_FOREACH(dcl
, &s
->listeners
, next
) {
1352 if (dcl
->ops
->dpy_gfx_update
) {
1353 dcl
->ops
->dpy_gfx_update(dcl
, x
, y
, w
, h
);
1358 void dpy_gfx_replace_surface(QemuConsole
*con
,
1359 DisplaySurface
*surface
)
1361 DisplayState
*s
= con
->ds
;
1362 DisplaySurface
*old_surface
= s
->surface
;
1363 struct DisplayChangeListener
*dcl
;
1365 s
->surface
= surface
;
1366 QLIST_FOREACH(dcl
, &s
->listeners
, next
) {
1367 if (dcl
->ops
->dpy_gfx_switch
) {
1368 dcl
->ops
->dpy_gfx_switch(dcl
, surface
);
1371 qemu_free_displaysurface(old_surface
);
1374 void dpy_refresh(DisplayState
*s
)
1376 struct DisplayChangeListener
*dcl
;
1377 QLIST_FOREACH(dcl
, &s
->listeners
, next
) {
1378 if (dcl
->ops
->dpy_refresh
) {
1379 dcl
->ops
->dpy_refresh(dcl
);
1384 void dpy_gfx_copy(QemuConsole
*con
, int src_x
, int src_y
,
1385 int dst_x
, int dst_y
, int w
, int h
)
1387 DisplayState
*s
= con
->ds
;
1388 struct DisplayChangeListener
*dcl
;
1389 QLIST_FOREACH(dcl
, &s
->listeners
, next
) {
1390 if (dcl
->ops
->dpy_gfx_copy
) {
1391 dcl
->ops
->dpy_gfx_copy(dcl
, src_x
, src_y
, dst_x
, dst_y
, w
, h
);
1393 dcl
->ops
->dpy_gfx_update(dcl
, dst_x
, dst_y
, w
, h
);
1398 void dpy_text_cursor(QemuConsole
*con
, int x
, int y
)
1400 DisplayState
*s
= con
->ds
;
1401 struct DisplayChangeListener
*dcl
;
1402 QLIST_FOREACH(dcl
, &s
->listeners
, next
) {
1403 if (dcl
->ops
->dpy_text_cursor
) {
1404 dcl
->ops
->dpy_text_cursor(dcl
, x
, y
);
1409 void dpy_text_update(QemuConsole
*con
, int x
, int y
, int w
, int h
)
1411 DisplayState
*s
= con
->ds
;
1412 struct DisplayChangeListener
*dcl
;
1413 QLIST_FOREACH(dcl
, &s
->listeners
, next
) {
1414 if (dcl
->ops
->dpy_text_update
) {
1415 dcl
->ops
->dpy_text_update(dcl
, x
, y
, w
, h
);
1420 void dpy_text_resize(QemuConsole
*con
, int w
, int h
)
1422 DisplayState
*s
= con
->ds
;
1423 struct DisplayChangeListener
*dcl
;
1424 QLIST_FOREACH(dcl
, &s
->listeners
, next
) {
1425 if (dcl
->ops
->dpy_text_resize
) {
1426 dcl
->ops
->dpy_text_resize(dcl
, w
, h
);
1431 void dpy_mouse_set(QemuConsole
*con
, int x
, int y
, int on
)
1433 DisplayState
*s
= con
->ds
;
1434 struct DisplayChangeListener
*dcl
;
1435 QLIST_FOREACH(dcl
, &s
->listeners
, next
) {
1436 if (dcl
->ops
->dpy_mouse_set
) {
1437 dcl
->ops
->dpy_mouse_set(dcl
, x
, y
, on
);
1442 void dpy_cursor_define(QemuConsole
*con
, QEMUCursor
*cursor
)
1444 DisplayState
*s
= con
->ds
;
1445 struct DisplayChangeListener
*dcl
;
1446 QLIST_FOREACH(dcl
, &s
->listeners
, next
) {
1447 if (dcl
->ops
->dpy_cursor_define
) {
1448 dcl
->ops
->dpy_cursor_define(dcl
, cursor
);
1453 bool dpy_cursor_define_supported(QemuConsole
*con
)
1455 DisplayState
*s
= con
->ds
;
1456 struct DisplayChangeListener
*dcl
;
1457 QLIST_FOREACH(dcl
, &s
->listeners
, next
) {
1458 if (dcl
->ops
->dpy_cursor_define
) {
1465 static void dumb_display_init(void)
1467 DisplayState
*ds
= g_malloc0(sizeof(DisplayState
));
1471 if (is_fixedsize_console()) {
1472 width
= active_console
->g_width
;
1473 height
= active_console
->g_height
;
1475 ds
->surface
= qemu_create_displaysurface(width
, height
);
1477 register_displaystate(ds
);
1480 /***********************************************************/
1481 /* register display */
1483 void register_displaystate(DisplayState
*ds
)
1493 DisplayState
*get_displaystate(void)
1495 if (!display_state
) {
1496 dumb_display_init ();
1498 return display_state
;
1501 QemuConsole
*graphic_console_init(vga_hw_update_ptr update
,
1502 vga_hw_invalidate_ptr invalidate
,
1503 vga_hw_screen_dump_ptr screen_dump
,
1504 vga_hw_text_update_ptr text_update
,
1510 ds
= (DisplayState
*) g_malloc0(sizeof(DisplayState
));
1511 s
= new_console(ds
, GRAPHIC_CONSOLE
);
1512 s
->hw_update
= update
;
1513 s
->hw_invalidate
= invalidate
;
1514 s
->hw_screen_dump
= screen_dump
;
1515 s
->hw_text_update
= text_update
;
1518 ds
->surface
= qemu_create_displaysurface(640, 480);
1520 register_displaystate(ds
);
1524 int is_graphic_console(void)
1526 return active_console
&& active_console
->console_type
== GRAPHIC_CONSOLE
;
1529 int is_fixedsize_console(void)
1531 return active_console
&& active_console
->console_type
!= TEXT_CONSOLE
;
1534 static void text_console_set_echo(CharDriverState
*chr
, bool echo
)
1536 QemuConsole
*s
= chr
->opaque
;
1541 static void text_console_update_cursor(void *opaque
)
1543 QemuConsole
*s
= opaque
;
1545 s
->cursor_visible_phase
= !s
->cursor_visible_phase
;
1546 vga_hw_invalidate();
1547 qemu_mod_timer(s
->cursor_timer
,
1548 qemu_get_clock_ms(rt_clock
) + CONSOLE_CURSOR_PERIOD
/ 2);
1551 static void text_console_do_init(CharDriverState
*chr
, DisplayState
*ds
)
1557 chr
->chr_write
= console_puts
;
1559 s
->out_fifo
.buf
= s
->out_fifo_buf
;
1560 s
->out_fifo
.buf_size
= sizeof(s
->out_fifo_buf
);
1561 s
->kbd_timer
= qemu_new_timer_ms(rt_clock
, kbd_send_chars
, s
);
1566 s
->total_height
= DEFAULT_BACKSCROLL
;
1569 if (s
->console_type
== TEXT_CONSOLE
) {
1570 s
->g_width
= surface_width(s
->ds
->surface
);
1571 s
->g_height
= surface_height(s
->ds
->surface
);
1575 qemu_new_timer_ms(rt_clock
, text_console_update_cursor
, s
);
1577 s
->hw_invalidate
= text_console_invalidate
;
1578 s
->hw_text_update
= text_console_update
;
1581 /* Set text attribute defaults */
1582 s
->t_attrib_default
.bold
= 0;
1583 s
->t_attrib_default
.uline
= 0;
1584 s
->t_attrib_default
.blink
= 0;
1585 s
->t_attrib_default
.invers
= 0;
1586 s
->t_attrib_default
.unvisible
= 0;
1587 s
->t_attrib_default
.fgcol
= COLOR_WHITE
;
1588 s
->t_attrib_default
.bgcol
= COLOR_BLACK
;
1589 /* set current text attributes to default */
1590 s
->t_attrib
= s
->t_attrib_default
;
1591 text_console_resize(s
);
1597 s
->t_attrib
.bgcol
= COLOR_BLUE
;
1598 len
= snprintf(msg
, sizeof(msg
), "%s console\r\n", chr
->label
);
1599 console_puts(chr
, (uint8_t*)msg
, len
);
1600 s
->t_attrib
= s
->t_attrib_default
;
1603 qemu_chr_generic_open(chr
);
1608 static CharDriverState
*text_console_init(ChardevVC
*vc
)
1610 CharDriverState
*chr
;
1613 unsigned height
= 0;
1615 chr
= g_malloc0(sizeof(CharDriverState
));
1617 if (vc
->has_width
) {
1619 } else if (vc
->has_cols
) {
1620 width
= vc
->cols
* FONT_WIDTH
;
1623 if (vc
->has_height
) {
1624 height
= vc
->height
;
1625 } else if (vc
->has_rows
) {
1626 height
= vc
->rows
* FONT_HEIGHT
;
1629 if (width
== 0 || height
== 0) {
1630 s
= new_console(NULL
, TEXT_CONSOLE
);
1632 s
= new_console(NULL
, TEXT_CONSOLE_FIXED_SIZE
);
1642 s
->g_height
= height
;
1644 chr
->chr_set_echo
= text_console_set_echo
;
1648 static VcHandler
*vc_handler
= text_console_init
;
1650 CharDriverState
*vc_init(ChardevVC
*vc
)
1652 return vc_handler(vc
);
1655 void register_vc_handler(VcHandler
*handler
)
1657 vc_handler
= handler
;
1660 void text_consoles_set_display(DisplayState
*ds
)
1664 for (i
= 0; i
< nb_consoles
; i
++) {
1665 if (consoles
[i
]->console_type
!= GRAPHIC_CONSOLE
) {
1666 text_console_do_init(consoles
[i
]->chr
, ds
);
1671 void qemu_console_resize(QemuConsole
*s
, int width
, int height
)
1674 s
->g_height
= height
;
1675 if (is_graphic_console()) {
1676 DisplaySurface
*surface
;
1677 surface
= qemu_create_displaysurface(width
, height
);
1678 dpy_gfx_replace_surface(s
, surface
);
1682 void qemu_console_copy(QemuConsole
*con
, int src_x
, int src_y
,
1683 int dst_x
, int dst_y
, int w
, int h
)
1685 if (is_graphic_console()) {
1686 dpy_gfx_copy(con
, src_x
, src_y
, dst_x
, dst_y
, w
, h
);
1690 DisplaySurface
*qemu_console_surface(QemuConsole
*console
)
1692 return console
->ds
->surface
;
1695 DisplayState
*qemu_console_displaystate(QemuConsole
*console
)
1700 PixelFormat
qemu_different_endianness_pixelformat(int bpp
)
1704 memset(&pf
, 0x00, sizeof(PixelFormat
));
1706 pf
.bits_per_pixel
= bpp
;
1707 pf
.bytes_per_pixel
= DIV_ROUND_UP(bpp
, 8);
1708 pf
.depth
= bpp
== 32 ? 24 : bpp
;
1712 pf
.rmask
= 0x000000FF;
1713 pf
.gmask
= 0x0000FF00;
1714 pf
.bmask
= 0x00FF0000;
1726 pf
.rmask
= 0x0000FF00;
1727 pf
.gmask
= 0x00FF0000;
1728 pf
.bmask
= 0xFF000000;
1729 pf
.amask
= 0x00000000;
1749 PixelFormat
qemu_default_pixelformat(int bpp
)
1753 memset(&pf
, 0x00, sizeof(PixelFormat
));
1755 pf
.bits_per_pixel
= bpp
;
1756 pf
.bytes_per_pixel
= DIV_ROUND_UP(bpp
, 8);
1757 pf
.depth
= bpp
== 32 ? 24 : bpp
;
1761 pf
.bits_per_pixel
= 16;
1762 pf
.rmask
= 0x00007c00;
1763 pf
.gmask
= 0x000003E0;
1764 pf
.bmask
= 0x0000001F;
1776 pf
.rmask
= 0x0000F800;
1777 pf
.gmask
= 0x000007E0;
1778 pf
.bmask
= 0x0000001F;
1790 pf
.rmask
= 0x00FF0000;
1791 pf
.gmask
= 0x0000FF00;
1792 pf
.bmask
= 0x000000FF;
1804 pf
.rmask
= 0x00FF0000;
1805 pf
.gmask
= 0x0000FF00;
1806 pf
.bmask
= 0x000000FF;
1823 static void qemu_chr_parse_vc(QemuOpts
*opts
, ChardevBackend
*backend
,
1828 backend
->vc
= g_new0(ChardevVC
, 1);
1830 val
= qemu_opt_get_number(opts
, "width", 0);
1832 backend
->vc
->has_width
= true;
1833 backend
->vc
->width
= val
;
1836 val
= qemu_opt_get_number(opts
, "height", 0);
1838 backend
->vc
->has_height
= true;
1839 backend
->vc
->height
= val
;
1842 val
= qemu_opt_get_number(opts
, "cols", 0);
1844 backend
->vc
->has_cols
= true;
1845 backend
->vc
->cols
= val
;
1848 val
= qemu_opt_get_number(opts
, "rows", 0);
1850 backend
->vc
->has_rows
= true;
1851 backend
->vc
->rows
= val
;
1855 static void register_types(void)
1857 register_char_driver_qapi("vc", CHARDEV_BACKEND_KIND_VC
,
1861 type_init(register_types
);