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 "hw/qdev-core.h"
27 #include "qemu/timer.h"
28 #include "qmp-commands.h"
29 #include "sysemu/char.h"
31 #include "exec/memory.h"
33 #define DEFAULT_BACKSCROLL 512
34 #define CONSOLE_CURSOR_PERIOD 500
36 typedef struct TextAttributes {
46 typedef struct TextCell {
48 TextAttributes t_attrib;
51 #define MAX_ESC_PARAMS 3
59 typedef struct QEMUFIFO {
62 int count, wptr, rptr;
65 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
69 l = f->buf_size - f->count;
74 l = f->buf_size - f->wptr;
77 memcpy(f->buf + f->wptr, buf, l);
79 if (f->wptr >= f->buf_size)
88 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
96 l = f->buf_size - f->rptr;
99 memcpy(buf, f->buf + f->rptr, l);
101 if (f->rptr >= f->buf_size)
113 TEXT_CONSOLE_FIXED_SIZE
120 console_type_t console_type;
122 DisplaySurface *surface;
125 /* Graphic console state. */
129 const GraphicHwOps *hw_ops;
132 /* Text console state */
136 int backscroll_height;
138 int x_saved, y_saved;
141 TextAttributes t_attrib_default; /* default text attributes */
142 TextAttributes t_attrib; /* currently active text attributes */
144 int text_x[2], text_y[2], cursor_invalidate;
153 int esc_params[MAX_ESC_PARAMS];
156 CharDriverState *chr;
157 /* fifo for key pressed */
159 uint8_t out_fifo_buf[16];
160 QEMUTimer *kbd_timer;
163 struct DisplayState {
164 QEMUTimer *gui_timer;
165 uint64_t last_update;
166 uint64_t update_interval;
171 QLIST_HEAD(, DisplayChangeListener) listeners;
174 static DisplayState *display_state;
175 static QemuConsole *active_console;
176 static QemuConsole **consoles;
177 static int nb_consoles = 0;
178 static bool cursor_visible_phase;
179 static QEMUTimer *cursor_timer;
181 static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
182 static void dpy_refresh(DisplayState *s);
183 static DisplayState *get_alloc_displaystate(void);
184 static void text_console_update_cursor_timer(void);
185 static void text_console_update_cursor(void *opaque);
187 static void gui_update(void *opaque)
189 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
190 uint64_t dcl_interval;
191 DisplayState *ds = opaque;
192 DisplayChangeListener *dcl;
195 ds->refreshing = true;
197 ds->refreshing = false;
199 QLIST_FOREACH(dcl, &ds->listeners, next) {
200 dcl_interval = dcl->update_interval ?
201 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
202 if (interval > dcl_interval) {
203 interval = dcl_interval;
206 if (ds->update_interval != interval) {
207 ds->update_interval = interval;
208 for (i = 0; i < nb_consoles; i++) {
209 if (consoles[i]->hw_ops->update_interval) {
210 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
213 trace_console_refresh(interval);
215 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
216 timer_mod(ds->gui_timer, ds->last_update + interval);
219 static void gui_setup_refresh(DisplayState *ds)
221 DisplayChangeListener *dcl;
222 bool need_timer = false;
223 bool have_gfx = false;
224 bool have_text = false;
226 QLIST_FOREACH(dcl, &ds->listeners, next) {
227 if (dcl->ops->dpy_refresh != NULL) {
230 if (dcl->ops->dpy_gfx_update != NULL) {
233 if (dcl->ops->dpy_text_update != NULL) {
238 if (need_timer && ds->gui_timer == NULL) {
239 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
240 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
242 if (!need_timer && ds->gui_timer != NULL) {
243 timer_del(ds->gui_timer);
244 timer_free(ds->gui_timer);
245 ds->gui_timer = NULL;
248 ds->have_gfx = have_gfx;
249 ds->have_text = have_text;
252 void graphic_hw_update(QemuConsole *con)
255 con = active_console;
257 if (con && con->hw_ops->gfx_update) {
258 con->hw_ops->gfx_update(con->hw);
262 void graphic_hw_invalidate(QemuConsole *con)
265 con = active_console;
267 if (con && con->hw_ops->invalidate) {
268 con->hw_ops->invalidate(con->hw);
272 static void ppm_save(const char *filename, struct DisplaySurface *ds,
275 int width = pixman_image_get_width(ds->image);
276 int height = pixman_image_get_height(ds->image);
281 pixman_image_t *linebuf;
283 trace_ppm_save(filename, ds);
284 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
286 error_setg(errp, "failed to open file '%s': %s", filename,
290 f = fdopen(fd, "wb");
291 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
296 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
297 for (y = 0; y < height; y++) {
298 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
300 ret = fwrite(pixman_image_get_data(linebuf), 1,
301 pixman_image_get_stride(linebuf), f);
309 qemu_pixman_image_unref(linebuf);
314 error_setg(errp, "failed to write to file '%s': %s", filename,
320 void qmp_screendump(const char *filename, Error **errp)
322 QemuConsole *con = qemu_console_lookup_by_index(0);
323 DisplaySurface *surface;
326 error_setg(errp, "There is no QemuConsole I can screendump from.");
330 graphic_hw_update(con);
331 surface = qemu_console_surface(con);
332 ppm_save(filename, surface, errp);
335 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
338 con = active_console;
340 if (con && con->hw_ops->text_update) {
341 con->hw_ops->text_update(con->hw, chardata);
345 static void vga_fill_rect(QemuConsole *con,
346 int posx, int posy, int width, int height,
347 pixman_color_t color)
349 DisplaySurface *surface = qemu_console_surface(con);
350 pixman_rectangle16_t rect = {
351 .x = posx, .y = posy, .width = width, .height = height
354 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
358 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
359 static void vga_bitblt(QemuConsole *con,
360 int xs, int ys, int xd, int yd, int w, int h)
362 DisplaySurface *surface = qemu_console_surface(con);
364 pixman_image_composite(PIXMAN_OP_SRC,
365 surface->image, NULL, surface->image,
366 xs, ys, 0, 0, xd, yd, w, h);
369 /***********************************************************/
370 /* basic char display */
372 #define FONT_HEIGHT 16
377 #ifndef CONFIG_CURSES
390 #define QEMU_RGB(r, g, b) \
391 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
393 static const pixman_color_t color_table_rgb[2][8] = {
395 QEMU_RGB(0x00, 0x00, 0x00), /* black */
396 QEMU_RGB(0xaa, 0x00, 0x00), /* red */
397 QEMU_RGB(0x00, 0xaa, 0x00), /* green */
398 QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
399 QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
400 QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
401 QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
402 QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
405 QEMU_RGB(0x00, 0x00, 0x00), /* black */
406 QEMU_RGB(0xff, 0x00, 0x00), /* red */
407 QEMU_RGB(0x00, 0xff, 0x00), /* green */
408 QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
409 QEMU_RGB(0x00, 0x00, 0xff), /* blue */
410 QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
411 QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
412 QEMU_RGB(0xff, 0xff, 0xff), /* white */
416 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
417 TextAttributes *t_attrib)
419 static pixman_image_t *glyphs[256];
420 DisplaySurface *surface = qemu_console_surface(s);
421 pixman_color_t fgcol, bgcol;
423 if (t_attrib->invers) {
424 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
425 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
427 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
428 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
432 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
434 qemu_pixman_glyph_render(glyphs[ch], surface->image,
435 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
438 static void text_console_resize(QemuConsole *s)
440 TextCell *cells, *c, *c1;
441 int w1, x, y, last_width;
443 last_width = s->width;
444 s->width = surface_width(s->surface) / FONT_WIDTH;
445 s->height = surface_height(s->surface) / FONT_HEIGHT;
451 cells = g_malloc(s->width * s->total_height * sizeof(TextCell));
452 for(y = 0; y < s->total_height; y++) {
453 c = &cells[y * s->width];
455 c1 = &s->cells[y * last_width];
456 for(x = 0; x < w1; x++) {
460 for(x = w1; x < s->width; x++) {
462 c->t_attrib = s->t_attrib_default;
470 static inline void text_update_xy(QemuConsole *s, int x, int y)
472 s->text_x[0] = MIN(s->text_x[0], x);
473 s->text_x[1] = MAX(s->text_x[1], x);
474 s->text_y[0] = MIN(s->text_y[0], y);
475 s->text_y[1] = MAX(s->text_y[1], y);
478 static void invalidate_xy(QemuConsole *s, int x, int y)
480 if (!qemu_console_is_visible(s)) {
483 if (s->update_x0 > x * FONT_WIDTH)
484 s->update_x0 = x * FONT_WIDTH;
485 if (s->update_y0 > y * FONT_HEIGHT)
486 s->update_y0 = y * FONT_HEIGHT;
487 if (s->update_x1 < (x + 1) * FONT_WIDTH)
488 s->update_x1 = (x + 1) * FONT_WIDTH;
489 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
490 s->update_y1 = (y + 1) * FONT_HEIGHT;
493 static void update_xy(QemuConsole *s, int x, int y)
498 if (s->ds->have_text) {
499 text_update_xy(s, x, y);
502 y1 = (s->y_base + y) % s->total_height;
503 y2 = y1 - s->y_displayed;
505 y2 += s->total_height;
507 if (y2 < s->height) {
508 c = &s->cells[y1 * s->width + x];
509 vga_putcharxy(s, x, y2, c->ch,
511 invalidate_xy(s, x, y2);
515 static void console_show_cursor(QemuConsole *s, int show)
521 if (s->ds->have_text) {
522 s->cursor_invalidate = 1;
528 y1 = (s->y_base + s->y) % s->total_height;
529 y = y1 - s->y_displayed;
531 y += s->total_height;
534 c = &s->cells[y1 * s->width + x];
535 if (show && cursor_visible_phase) {
536 TextAttributes t_attrib = s->t_attrib_default;
537 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
538 vga_putcharxy(s, x, y, c->ch, &t_attrib);
540 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
542 invalidate_xy(s, x, y);
546 static void console_refresh(QemuConsole *s)
548 DisplaySurface *surface = qemu_console_surface(s);
552 if (s->ds->have_text) {
555 s->text_x[1] = s->width - 1;
556 s->text_y[1] = s->height - 1;
557 s->cursor_invalidate = 1;
560 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
561 color_table_rgb[0][COLOR_BLACK]);
563 for (y = 0; y < s->height; y++) {
564 c = s->cells + y1 * s->width;
565 for (x = 0; x < s->width; x++) {
566 vga_putcharxy(s, x, y, c->ch,
570 if (++y1 == s->total_height) {
574 console_show_cursor(s, 1);
575 dpy_gfx_update(s, 0, 0,
576 surface_width(surface), surface_height(surface));
579 static void console_scroll(QemuConsole *s, int ydelta)
584 for(i = 0; i < ydelta; i++) {
585 if (s->y_displayed == s->y_base)
587 if (++s->y_displayed == s->total_height)
592 i = s->backscroll_height;
593 if (i > s->total_height - s->height)
594 i = s->total_height - s->height;
597 y1 += s->total_height;
598 for(i = 0; i < ydelta; i++) {
599 if (s->y_displayed == y1)
601 if (--s->y_displayed < 0)
602 s->y_displayed = s->total_height - 1;
608 static void console_put_lf(QemuConsole *s)
614 if (s->y >= s->height) {
615 s->y = s->height - 1;
617 if (s->y_displayed == s->y_base) {
618 if (++s->y_displayed == s->total_height)
621 if (++s->y_base == s->total_height)
623 if (s->backscroll_height < s->total_height)
624 s->backscroll_height++;
625 y1 = (s->y_base + s->height - 1) % s->total_height;
626 c = &s->cells[y1 * s->width];
627 for(x = 0; x < s->width; x++) {
629 c->t_attrib = s->t_attrib_default;
632 if (s->y_displayed == s->y_base) {
633 if (s->ds->have_text) {
636 s->text_x[1] = s->width - 1;
637 s->text_y[1] = s->height - 1;
640 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
641 s->width * FONT_WIDTH,
642 (s->height - 1) * FONT_HEIGHT);
643 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
644 s->width * FONT_WIDTH, FONT_HEIGHT,
645 color_table_rgb[0][s->t_attrib_default.bgcol]);
648 s->update_x1 = s->width * FONT_WIDTH;
649 s->update_y1 = s->height * FONT_HEIGHT;
654 /* Set console attributes depending on the current escape codes.
655 * NOTE: I know this code is not very efficient (checking every color for it
656 * self) but it is more readable and better maintainable.
658 static void console_handle_escape(QemuConsole *s)
662 for (i=0; i<s->nb_esc_params; i++) {
663 switch (s->esc_params[i]) {
664 case 0: /* reset all console attributes to default */
665 s->t_attrib = s->t_attrib_default;
668 s->t_attrib.bold = 1;
671 s->t_attrib.uline = 1;
674 s->t_attrib.blink = 1;
677 s->t_attrib.invers = 1;
680 s->t_attrib.unvisible = 1;
683 s->t_attrib.bold = 0;
686 s->t_attrib.uline = 0;
689 s->t_attrib.blink = 0;
692 s->t_attrib.invers = 0;
695 s->t_attrib.unvisible = 0;
697 /* set foreground color */
699 s->t_attrib.fgcol=COLOR_BLACK;
702 s->t_attrib.fgcol=COLOR_RED;
705 s->t_attrib.fgcol=COLOR_GREEN;
708 s->t_attrib.fgcol=COLOR_YELLOW;
711 s->t_attrib.fgcol=COLOR_BLUE;
714 s->t_attrib.fgcol=COLOR_MAGENTA;
717 s->t_attrib.fgcol=COLOR_CYAN;
720 s->t_attrib.fgcol=COLOR_WHITE;
722 /* set background color */
724 s->t_attrib.bgcol=COLOR_BLACK;
727 s->t_attrib.bgcol=COLOR_RED;
730 s->t_attrib.bgcol=COLOR_GREEN;
733 s->t_attrib.bgcol=COLOR_YELLOW;
736 s->t_attrib.bgcol=COLOR_BLUE;
739 s->t_attrib.bgcol=COLOR_MAGENTA;
742 s->t_attrib.bgcol=COLOR_CYAN;
745 s->t_attrib.bgcol=COLOR_WHITE;
751 static void console_clear_xy(QemuConsole *s, int x, int y)
753 int y1 = (s->y_base + y) % s->total_height;
754 TextCell *c = &s->cells[y1 * s->width + x];
756 c->t_attrib = s->t_attrib_default;
760 /* set cursor, checking bounds */
761 static void set_cursor(QemuConsole *s, int x, int y)
769 if (y >= s->height) {
780 static void console_putchar(QemuConsole *s, int ch)
789 case '\r': /* carriage return */
792 case '\n': /* newline */
795 case '\b': /* backspace */
799 case '\t': /* tabspace */
800 if (s->x + (8 - (s->x % 8)) > s->width) {
804 s->x = s->x + (8 - (s->x % 8));
807 case '\a': /* alert aka. bell */
808 /* TODO: has to be implemented */
811 /* SI (shift in), character set 0 (ignored) */
814 /* SO (shift out), character set 1 (ignored) */
816 case 27: /* esc (introducing an escape sequence) */
817 s->state = TTY_STATE_ESC;
820 if (s->x >= s->width) {
825 y1 = (s->y_base + s->y) % s->total_height;
826 c = &s->cells[y1 * s->width + s->x];
828 c->t_attrib = s->t_attrib;
829 update_xy(s, s->x, s->y);
834 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
836 for(i=0;i<MAX_ESC_PARAMS;i++)
837 s->esc_params[i] = 0;
838 s->nb_esc_params = 0;
839 s->state = TTY_STATE_CSI;
841 s->state = TTY_STATE_NORM;
844 case TTY_STATE_CSI: /* handle escape sequence parameters */
845 if (ch >= '0' && ch <= '9') {
846 if (s->nb_esc_params < MAX_ESC_PARAMS) {
847 int *param = &s->esc_params[s->nb_esc_params];
848 int digit = (ch - '0');
850 *param = (*param <= (INT_MAX - digit) / 10) ?
851 *param * 10 + digit : INT_MAX;
854 if (s->nb_esc_params < MAX_ESC_PARAMS)
858 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
859 ch, s->nb_esc_params);
860 s->state = TTY_STATE_NORM;
864 if (s->esc_params[0] == 0) {
865 s->esc_params[0] = 1;
867 set_cursor(s, s->x, s->y - s->esc_params[0]);
870 /* move cursor down */
871 if (s->esc_params[0] == 0) {
872 s->esc_params[0] = 1;
874 set_cursor(s, s->x, s->y + s->esc_params[0]);
877 /* move cursor right */
878 if (s->esc_params[0] == 0) {
879 s->esc_params[0] = 1;
881 set_cursor(s, s->x + s->esc_params[0], s->y);
884 /* move cursor left */
885 if (s->esc_params[0] == 0) {
886 s->esc_params[0] = 1;
888 set_cursor(s, s->x - s->esc_params[0], s->y);
891 /* move cursor to column */
892 set_cursor(s, s->esc_params[0] - 1, s->y);
896 /* move cursor to row, column */
897 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
900 switch (s->esc_params[0]) {
902 /* clear to end of screen */
903 for (y = s->y; y < s->height; y++) {
904 for (x = 0; x < s->width; x++) {
905 if (y == s->y && x < s->x) {
908 console_clear_xy(s, x, y);
913 /* clear from beginning of screen */
914 for (y = 0; y <= s->y; y++) {
915 for (x = 0; x < s->width; x++) {
916 if (y == s->y && x > s->x) {
919 console_clear_xy(s, x, y);
924 /* clear entire screen */
925 for (y = 0; y <= s->height; y++) {
926 for (x = 0; x < s->width; x++) {
927 console_clear_xy(s, x, y);
934 switch (s->esc_params[0]) {
937 for(x = s->x; x < s->width; x++) {
938 console_clear_xy(s, x, s->y);
942 /* clear from beginning of line */
943 for (x = 0; x <= s->x; x++) {
944 console_clear_xy(s, x, s->y);
948 /* clear entire line */
949 for(x = 0; x < s->width; x++) {
950 console_clear_xy(s, x, s->y);
956 console_handle_escape(s);
959 /* report cursor position */
960 /* TODO: send ESC[row;colR */
963 /* save cursor position */
968 /* restore cursor position */
973 trace_console_putchar_unhandled(ch);
981 void console_select(unsigned int index)
983 DisplayChangeListener *dcl;
986 trace_console_select(index);
987 s = qemu_console_lookup_by_index(index);
989 DisplayState *ds = s->ds;
993 QLIST_FOREACH(dcl, &ds->listeners, next) {
994 if (dcl->con != NULL) {
997 if (dcl->ops->dpy_gfx_switch) {
998 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1001 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1002 surface_height(s->surface));
1004 if (ds->have_text) {
1005 dpy_text_resize(s, s->width, s->height);
1007 text_console_update_cursor(NULL);
1011 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1013 QemuConsole *s = chr->opaque;
1016 s->update_x0 = s->width * FONT_WIDTH;
1017 s->update_y0 = s->height * FONT_HEIGHT;
1020 console_show_cursor(s, 0);
1021 for(i = 0; i < len; i++) {
1022 console_putchar(s, buf[i]);
1024 console_show_cursor(s, 1);
1025 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1026 dpy_gfx_update(s, s->update_x0, s->update_y0,
1027 s->update_x1 - s->update_x0,
1028 s->update_y1 - s->update_y0);
1033 static void kbd_send_chars(void *opaque)
1035 QemuConsole *s = opaque;
1039 len = qemu_chr_be_can_write(s->chr);
1040 if (len > s->out_fifo.count)
1041 len = s->out_fifo.count;
1043 if (len > sizeof(buf))
1045 qemu_fifo_read(&s->out_fifo, buf, len);
1046 qemu_chr_be_write(s->chr, buf, len);
1048 /* characters are pending: we send them a bit later (XXX:
1049 horrible, should change char device API) */
1050 if (s->out_fifo.count > 0) {
1051 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1055 /* called when an ascii key is pressed */
1056 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1058 uint8_t buf[16], *q;
1061 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1065 case QEMU_KEY_CTRL_UP:
1066 console_scroll(s, -1);
1068 case QEMU_KEY_CTRL_DOWN:
1069 console_scroll(s, 1);
1071 case QEMU_KEY_CTRL_PAGEUP:
1072 console_scroll(s, -10);
1074 case QEMU_KEY_CTRL_PAGEDOWN:
1075 console_scroll(s, 10);
1078 /* convert the QEMU keysym to VT100 key string */
1080 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1083 c = keysym - 0xe100;
1085 *q++ = '0' + (c / 10);
1086 *q++ = '0' + (c % 10);
1088 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1091 *q++ = keysym & 0xff;
1092 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1093 console_puts(s->chr, (const uint8_t *) "\r", 1);
1099 console_puts(s->chr, buf, q - buf);
1101 if (s->chr->chr_read) {
1102 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1109 static const int qcode_to_keysym[Q_KEY_CODE_MAX] = {
1110 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1111 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1112 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1113 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1114 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1115 [Q_KEY_CODE_END] = QEMU_KEY_END,
1116 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1117 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1118 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1121 bool kbd_put_qcode_console(QemuConsole *s, int qcode)
1125 keysym = qcode_to_keysym[qcode];
1129 kbd_put_keysym_console(s, keysym);
1133 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1137 for (i = 0; i < len && str[i]; i++) {
1138 kbd_put_keysym_console(s, str[i]);
1142 void kbd_put_keysym(int keysym)
1144 kbd_put_keysym_console(active_console, keysym);
1147 static void text_console_invalidate(void *opaque)
1149 QemuConsole *s = (QemuConsole *) opaque;
1151 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1152 text_console_resize(s);
1157 static void text_console_update(void *opaque, console_ch_t *chardata)
1159 QemuConsole *s = (QemuConsole *) opaque;
1162 if (s->text_x[0] <= s->text_x[1]) {
1163 src = (s->y_base + s->text_y[0]) * s->width;
1164 chardata += s->text_y[0] * s->width;
1165 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1166 for (j = 0; j < s->width; j ++, src ++)
1167 console_write_ch(chardata ++, s->cells[src].ch |
1168 (s->cells[src].t_attrib.fgcol << 12) |
1169 (s->cells[src].t_attrib.bgcol << 8) |
1170 (s->cells[src].t_attrib.bold << 21));
1171 dpy_text_update(s, s->text_x[0], s->text_y[0],
1172 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1173 s->text_x[0] = s->width;
1174 s->text_y[0] = s->height;
1178 if (s->cursor_invalidate) {
1179 dpy_text_cursor(s, s->x, s->y);
1180 s->cursor_invalidate = 0;
1184 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1191 obj = object_new(TYPE_QEMU_CONSOLE);
1192 s = QEMU_CONSOLE(obj);
1194 object_property_add_link(obj, "device", TYPE_DEVICE,
1195 (Object **)&s->device,
1196 object_property_allow_set_link,
1197 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1199 object_property_add_uint32_ptr(obj, "head",
1200 &s->head, &error_abort);
1202 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1203 (console_type == GRAPHIC_CONSOLE))) {
1207 s->console_type = console_type;
1209 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
1210 if (console_type != GRAPHIC_CONSOLE) {
1211 s->index = nb_consoles;
1212 consoles[nb_consoles++] = s;
1214 /* HACK: Put graphical consoles before text consoles. */
1215 for (i = nb_consoles; i > 0; i--) {
1216 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1218 consoles[i] = consoles[i - 1];
1219 consoles[i]->index = i;
1228 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1230 qemu_pixman_image_unref(surface->image);
1231 surface->image = NULL;
1233 surface->format = PIXMAN_x8r8g8b8;
1234 surface->image = pixman_image_create_bits(surface->format,
1237 assert(surface->image != NULL);
1239 surface->flags = QEMU_ALLOCATED_FLAG;
1242 DisplaySurface *qemu_create_displaysurface(int width, int height)
1244 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1246 trace_displaysurface_create(surface, width, height);
1247 qemu_alloc_display(surface, width, height);
1251 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1252 pixman_format_code_t format,
1253 int linesize, uint8_t *data)
1255 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1257 trace_displaysurface_create_from(surface, width, height, format);
1258 surface->format = format;
1259 surface->image = pixman_image_create_bits(surface->format,
1261 (void *)data, linesize);
1262 assert(surface->image != NULL);
1267 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image,
1270 void *data = pixman_image_get_data(image);
1271 uint32_t size = pixman_image_get_stride(image) *
1272 pixman_image_get_height(image);
1273 cpu_physical_memory_unmap(data, size, 0, 0);
1276 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
1277 pixman_format_code_t format,
1278 int linesize, uint64_t addr)
1280 DisplaySurface *surface;
1284 if (linesize == 0) {
1285 linesize = width * PIXMAN_FORMAT_BPP(format) / 8;
1288 size = linesize * height;
1289 data = cpu_physical_memory_map(addr, &size, 0);
1290 if (size != linesize * height) {
1291 cpu_physical_memory_unmap(data, size, 0, 0);
1295 surface = qemu_create_displaysurface_from
1296 (width, height, format, linesize, data);
1297 pixman_image_set_destroy_function
1298 (surface->image, qemu_unmap_displaysurface_guestmem, NULL);
1303 static DisplaySurface *qemu_create_message_surface(int w, int h,
1306 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1307 pixman_color_t bg = color_table_rgb[0][COLOR_BLACK];
1308 pixman_color_t fg = color_table_rgb[0][COLOR_WHITE];
1309 pixman_image_t *glyph;
1313 x = (w / FONT_WIDTH - len) / 2;
1314 y = (h / FONT_HEIGHT - 1) / 2;
1315 for (i = 0; i < len; i++) {
1316 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1317 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1318 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1319 qemu_pixman_image_unref(glyph);
1324 void qemu_free_displaysurface(DisplaySurface *surface)
1326 if (surface == NULL) {
1329 trace_displaysurface_free(surface);
1330 qemu_pixman_image_unref(surface->image);
1334 void register_displaychangelistener(DisplayChangeListener *dcl)
1336 static const char nodev[] =
1337 "This VM has no graphic display device.";
1338 static DisplaySurface *dummy;
1341 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1342 dcl->ds = get_alloc_displaystate();
1343 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1344 gui_setup_refresh(dcl->ds);
1349 con = active_console;
1351 if (dcl->ops->dpy_gfx_switch) {
1353 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1356 dummy = qemu_create_message_surface(640, 480, nodev);
1358 dcl->ops->dpy_gfx_switch(dcl, dummy);
1361 text_console_update_cursor(NULL);
1364 void update_displaychangelistener(DisplayChangeListener *dcl,
1367 DisplayState *ds = dcl->ds;
1369 dcl->update_interval = interval;
1370 if (!ds->refreshing && ds->update_interval > interval) {
1371 timer_mod(ds->gui_timer, ds->last_update + interval);
1375 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1377 DisplayState *ds = dcl->ds;
1378 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1382 QLIST_REMOVE(dcl, next);
1383 gui_setup_refresh(ds);
1386 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1388 assert(con != NULL);
1389 con->ui_info = *info;
1390 if (con->hw_ops->ui_info) {
1391 return con->hw_ops->ui_info(con->hw, con->head, info);
1396 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1398 DisplayState *s = con->ds;
1399 DisplayChangeListener *dcl;
1400 int width = surface_width(con->surface);
1401 int height = surface_height(con->surface);
1407 w = MIN(w, width - x);
1408 h = MIN(h, height - y);
1410 if (!qemu_console_is_visible(con)) {
1413 QLIST_FOREACH(dcl, &s->listeners, next) {
1414 if (con != (dcl->con ? dcl->con : active_console)) {
1417 if (dcl->ops->dpy_gfx_update) {
1418 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1423 void dpy_gfx_replace_surface(QemuConsole *con,
1424 DisplaySurface *surface)
1426 DisplayState *s = con->ds;
1427 DisplaySurface *old_surface = con->surface;
1428 DisplayChangeListener *dcl;
1430 con->surface = surface;
1431 QLIST_FOREACH(dcl, &s->listeners, next) {
1432 if (con != (dcl->con ? dcl->con : active_console)) {
1435 if (dcl->ops->dpy_gfx_switch) {
1436 dcl->ops->dpy_gfx_switch(dcl, surface);
1439 qemu_free_displaysurface(old_surface);
1442 static void dpy_refresh(DisplayState *s)
1444 DisplayChangeListener *dcl;
1446 QLIST_FOREACH(dcl, &s->listeners, next) {
1447 if (dcl->ops->dpy_refresh) {
1448 dcl->ops->dpy_refresh(dcl);
1453 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1454 int dst_x, int dst_y, int w, int h)
1456 DisplayState *s = con->ds;
1457 DisplayChangeListener *dcl;
1459 if (!qemu_console_is_visible(con)) {
1462 QLIST_FOREACH(dcl, &s->listeners, next) {
1463 if (con != (dcl->con ? dcl->con : active_console)) {
1466 if (dcl->ops->dpy_gfx_copy) {
1467 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1469 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1474 void dpy_text_cursor(QemuConsole *con, int x, int y)
1476 DisplayState *s = con->ds;
1477 DisplayChangeListener *dcl;
1479 if (!qemu_console_is_visible(con)) {
1482 QLIST_FOREACH(dcl, &s->listeners, next) {
1483 if (con != (dcl->con ? dcl->con : active_console)) {
1486 if (dcl->ops->dpy_text_cursor) {
1487 dcl->ops->dpy_text_cursor(dcl, x, y);
1492 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1494 DisplayState *s = con->ds;
1495 DisplayChangeListener *dcl;
1497 if (!qemu_console_is_visible(con)) {
1500 QLIST_FOREACH(dcl, &s->listeners, next) {
1501 if (con != (dcl->con ? dcl->con : active_console)) {
1504 if (dcl->ops->dpy_text_update) {
1505 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1510 void dpy_text_resize(QemuConsole *con, int w, int h)
1512 DisplayState *s = con->ds;
1513 struct DisplayChangeListener *dcl;
1515 if (!qemu_console_is_visible(con)) {
1518 QLIST_FOREACH(dcl, &s->listeners, next) {
1519 if (con != (dcl->con ? dcl->con : active_console)) {
1522 if (dcl->ops->dpy_text_resize) {
1523 dcl->ops->dpy_text_resize(dcl, w, h);
1528 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1530 DisplayState *s = con->ds;
1531 DisplayChangeListener *dcl;
1533 if (!qemu_console_is_visible(con)) {
1536 QLIST_FOREACH(dcl, &s->listeners, next) {
1537 if (con != (dcl->con ? dcl->con : active_console)) {
1540 if (dcl->ops->dpy_mouse_set) {
1541 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1546 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1548 DisplayState *s = con->ds;
1549 DisplayChangeListener *dcl;
1551 if (!qemu_console_is_visible(con)) {
1554 QLIST_FOREACH(dcl, &s->listeners, next) {
1555 if (con != (dcl->con ? dcl->con : active_console)) {
1558 if (dcl->ops->dpy_cursor_define) {
1559 dcl->ops->dpy_cursor_define(dcl, cursor);
1564 bool dpy_cursor_define_supported(QemuConsole *con)
1566 DisplayState *s = con->ds;
1567 DisplayChangeListener *dcl;
1569 QLIST_FOREACH(dcl, &s->listeners, next) {
1570 if (dcl->ops->dpy_cursor_define) {
1578 * Call dpy_gfx_update for all dirity scanlines. Works for
1579 * DisplaySurfaces backed by guest memory (i.e. the ones created
1580 * using qemu_create_displaysurface_guestmem).
1582 void dpy_gfx_update_dirty(QemuConsole *con,
1583 MemoryRegion *address_space,
1587 DisplaySurface *ds = qemu_console_surface(con);
1588 int width = surface_stride(ds);
1589 int height = surface_height(ds);
1590 hwaddr size = width * height;
1591 MemoryRegionSection mem_section;
1597 mem_section = memory_region_find(address_space, base, size);
1598 mem = mem_section.mr;
1599 if (int128_get64(mem_section.size) != size ||
1600 !memory_region_is_ram(mem_section.mr)) {
1605 memory_region_sync_dirty_bitmap(mem);
1606 addr = mem_section.offset_within_region;
1610 for (i = 0; i < height; i++, addr += width) {
1611 dirty = invalidate ||
1612 memory_region_get_dirty(mem, addr, width, DIRTY_MEMORY_VGA);
1619 if (first != -1 && !dirty) {
1620 assert(last != -1 && last >= first);
1621 dpy_gfx_update(con, 0, first, surface_width(ds),
1627 assert(last != -1 && last >= first);
1628 dpy_gfx_update(con, 0, first, surface_width(ds),
1632 memory_region_reset_dirty(mem, mem_section.offset_within_region, size,
1635 memory_region_unref(mem);
1638 /***********************************************************/
1639 /* register display */
1641 /* console.c internal use only */
1642 static DisplayState *get_alloc_displaystate(void)
1644 if (!display_state) {
1645 display_state = g_new0(DisplayState, 1);
1646 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1647 text_console_update_cursor, NULL);
1649 return display_state;
1653 * Called by main(), after creating QemuConsoles
1654 * and before initializing ui (sdl/vnc/...).
1656 DisplayState *init_displaystate(void)
1661 get_alloc_displaystate();
1662 for (i = 0; i < nb_consoles; i++) {
1663 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1664 consoles[i]->ds == NULL) {
1665 text_console_do_init(consoles[i]->chr, display_state);
1668 /* Hook up into the qom tree here (not in new_console()), once
1669 * all QemuConsoles are created and the order / numbering
1670 * doesn't change any more */
1671 name = g_strdup_printf("console[%d]", i);
1672 object_property_add_child(container_get(object_get_root(), "/backend"),
1673 name, OBJECT(consoles[i]), &error_abort);
1677 return display_state;
1680 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1681 const GraphicHwOps *hw_ops,
1684 static const char noinit[] =
1685 "Guest has not initialized the display (yet).";
1691 ds = get_alloc_displaystate();
1692 trace_console_gfx_new();
1693 s = new_console(ds, GRAPHIC_CONSOLE, head);
1697 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1701 s->surface = qemu_create_message_surface(width, height, noinit);
1705 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1707 if (index >= nb_consoles) {
1710 return consoles[index];
1713 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1719 for (i = 0; i < nb_consoles; i++) {
1723 obj = object_property_get_link(OBJECT(consoles[i]),
1724 "device", &error_abort);
1725 if (DEVICE(obj) != dev) {
1728 h = object_property_get_int(OBJECT(consoles[i]),
1729 "head", &error_abort);
1738 bool qemu_console_is_visible(QemuConsole *con)
1740 return (con == active_console) || (con->dcls > 0);
1743 bool qemu_console_is_graphic(QemuConsole *con)
1746 con = active_console;
1748 return con && (con->console_type == GRAPHIC_CONSOLE);
1751 bool qemu_console_is_fixedsize(QemuConsole *con)
1754 con = active_console;
1756 return con && (con->console_type != TEXT_CONSOLE);
1759 int qemu_console_get_index(QemuConsole *con)
1762 con = active_console;
1764 return con ? con->index : -1;
1767 uint32_t qemu_console_get_head(QemuConsole *con)
1770 con = active_console;
1772 return con ? con->head : -1;
1775 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
1777 assert(con != NULL);
1778 return &con->ui_info;
1781 int qemu_console_get_width(QemuConsole *con, int fallback)
1784 con = active_console;
1786 return con ? surface_width(con->surface) : fallback;
1789 int qemu_console_get_height(QemuConsole *con, int fallback)
1792 con = active_console;
1794 return con ? surface_height(con->surface) : fallback;
1797 static void text_console_set_echo(CharDriverState *chr, bool echo)
1799 QemuConsole *s = chr->opaque;
1804 static void text_console_update_cursor_timer(void)
1806 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
1807 + CONSOLE_CURSOR_PERIOD / 2);
1810 static void text_console_update_cursor(void *opaque)
1815 cursor_visible_phase = !cursor_visible_phase;
1817 for (i = 0; i < nb_consoles; i++) {
1819 if (qemu_console_is_graphic(s) ||
1820 !qemu_console_is_visible(s)) {
1824 graphic_hw_invalidate(s);
1828 text_console_update_cursor_timer();
1832 static const GraphicHwOps text_console_ops = {
1833 .invalidate = text_console_invalidate,
1834 .text_update = text_console_update,
1837 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1840 int g_width = 80 * FONT_WIDTH;
1841 int g_height = 24 * FONT_HEIGHT;
1845 chr->chr_write = console_puts;
1847 s->out_fifo.buf = s->out_fifo_buf;
1848 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1849 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
1854 s->total_height = DEFAULT_BACKSCROLL;
1858 if (active_console && active_console->surface) {
1859 g_width = surface_width(active_console->surface);
1860 g_height = surface_height(active_console->surface);
1862 s->surface = qemu_create_displaysurface(g_width, g_height);
1865 s->hw_ops = &text_console_ops;
1868 /* Set text attribute defaults */
1869 s->t_attrib_default.bold = 0;
1870 s->t_attrib_default.uline = 0;
1871 s->t_attrib_default.blink = 0;
1872 s->t_attrib_default.invers = 0;
1873 s->t_attrib_default.unvisible = 0;
1874 s->t_attrib_default.fgcol = COLOR_WHITE;
1875 s->t_attrib_default.bgcol = COLOR_BLACK;
1876 /* set current text attributes to default */
1877 s->t_attrib = s->t_attrib_default;
1878 text_console_resize(s);
1884 s->t_attrib.bgcol = COLOR_BLUE;
1885 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1886 console_puts(chr, (uint8_t*)msg, len);
1887 s->t_attrib = s->t_attrib_default;
1890 qemu_chr_be_generic_open(chr);
1895 static CharDriverState *text_console_init(ChardevVC *vc)
1897 CharDriverState *chr;
1900 unsigned height = 0;
1902 chr = qemu_chr_alloc();
1904 if (vc->has_width) {
1906 } else if (vc->has_cols) {
1907 width = vc->cols * FONT_WIDTH;
1910 if (vc->has_height) {
1911 height = vc->height;
1912 } else if (vc->has_rows) {
1913 height = vc->rows * FONT_HEIGHT;
1916 trace_console_txt_new(width, height);
1917 if (width == 0 || height == 0) {
1918 s = new_console(NULL, TEXT_CONSOLE, 0);
1920 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
1921 s->surface = qemu_create_displaysurface(width, height);
1931 chr->chr_set_echo = text_console_set_echo;
1932 /* console/chardev init sometimes completes elsewhere in a 2nd
1933 * stage, so defer OPENED events until they are fully initialized
1935 chr->explicit_be_open = true;
1937 if (display_state) {
1938 text_console_do_init(chr, display_state);
1943 static VcHandler *vc_handler = text_console_init;
1945 CharDriverState *vc_init(ChardevVC *vc)
1947 return vc_handler(vc);
1950 void register_vc_handler(VcHandler *handler)
1952 vc_handler = handler;
1955 void qemu_console_resize(QemuConsole *s, int width, int height)
1957 DisplaySurface *surface;
1959 assert(s->console_type == GRAPHIC_CONSOLE);
1960 surface = qemu_create_displaysurface(width, height);
1961 dpy_gfx_replace_surface(s, surface);
1964 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
1965 int dst_x, int dst_y, int w, int h)
1967 assert(con->console_type == GRAPHIC_CONSOLE);
1968 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
1971 DisplaySurface *qemu_console_surface(QemuConsole *console)
1973 return console->surface;
1976 DisplayState *qemu_console_displaystate(QemuConsole *console)
1981 PixelFormat qemu_different_endianness_pixelformat(int bpp)
1983 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, false);
1984 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
1988 PixelFormat qemu_default_pixelformat(int bpp)
1990 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
1991 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
1995 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
2000 backend->vc = g_new0(ChardevVC, 1);
2002 val = qemu_opt_get_number(opts, "width", 0);
2004 backend->vc->has_width = true;
2005 backend->vc->width = val;
2008 val = qemu_opt_get_number(opts, "height", 0);
2010 backend->vc->has_height = true;
2011 backend->vc->height = val;
2014 val = qemu_opt_get_number(opts, "cols", 0);
2016 backend->vc->has_cols = true;
2017 backend->vc->cols = val;
2020 val = qemu_opt_get_number(opts, "rows", 0);
2022 backend->vc->has_rows = true;
2023 backend->vc->rows = val;
2027 static const TypeInfo qemu_console_info = {
2028 .name = TYPE_QEMU_CONSOLE,
2029 .parent = TYPE_OBJECT,
2030 .instance_size = sizeof(QemuConsole),
2031 .class_size = sizeof(QemuConsoleClass),
2035 static void register_types(void)
2037 type_register_static(&qemu_console_info);
2038 register_char_driver("vc", CHARDEV_BACKEND_KIND_VC, qemu_chr_parse_vc);
2041 type_init(register_types);