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
25 #include "qemu/osdep.h"
26 #include "ui/console.h"
27 #include "hw/qdev-core.h"
28 #include "qapi/error.h"
29 #include "qapi/qapi-commands-ui.h"
30 #include "qemu/module.h"
31 #include "qemu/option.h"
32 #include "qemu/timer.h"
33 #include "chardev/char-fe.h"
35 #include "exec/memory.h"
36 #include "io/channel-file.h"
38 #define DEFAULT_BACKSCROLL 512
39 #define CONSOLE_CURSOR_PERIOD 500
41 typedef struct TextAttributes {
51 typedef struct TextCell {
53 TextAttributes t_attrib;
56 #define MAX_ESC_PARAMS 3
64 typedef struct QEMUFIFO {
67 int count, wptr, rptr;
70 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
74 l = f->buf_size - f->count;
79 l = f->buf_size - f->wptr;
82 memcpy(f->buf + f->wptr, buf, l);
84 if (f->wptr >= f->buf_size)
93 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
101 l = f->buf_size - f->rptr;
104 memcpy(buf, f->buf + f->rptr, l);
106 if (f->rptr >= f->buf_size)
118 TEXT_CONSOLE_FIXED_SIZE
125 console_type_t console_type;
127 DisplaySurface *surface;
129 DisplayChangeListener *gl;
133 /* Graphic console state. */
138 const GraphicHwOps *hw_ops;
141 /* Text console state */
145 int backscroll_height;
147 int x_saved, y_saved;
150 TextAttributes t_attrib_default; /* default text attributes */
151 TextAttributes t_attrib; /* currently active text attributes */
153 int text_x[2], text_y[2], cursor_invalidate;
162 int esc_params[MAX_ESC_PARAMS];
166 /* fifo for key pressed */
168 uint8_t out_fifo_buf[16];
169 QEMUTimer *kbd_timer;
171 QTAILQ_ENTRY(QemuConsole) next;
174 struct DisplayState {
175 QEMUTimer *gui_timer;
176 uint64_t last_update;
177 uint64_t update_interval;
182 QLIST_HEAD(, DisplayChangeListener) listeners;
185 static DisplayState *display_state;
186 static QemuConsole *active_console;
187 static QTAILQ_HEAD(, QemuConsole) consoles =
188 QTAILQ_HEAD_INITIALIZER(consoles);
189 static bool cursor_visible_phase;
190 static QEMUTimer *cursor_timer;
192 static void text_console_do_init(Chardev *chr, DisplayState *ds);
193 static void dpy_refresh(DisplayState *s);
194 static DisplayState *get_alloc_displaystate(void);
195 static void text_console_update_cursor_timer(void);
196 static void text_console_update_cursor(void *opaque);
197 static bool ppm_save(int fd, DisplaySurface *ds, Error **errp);
199 static void gui_update(void *opaque)
201 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
202 uint64_t dcl_interval;
203 DisplayState *ds = opaque;
204 DisplayChangeListener *dcl;
207 ds->refreshing = true;
209 ds->refreshing = false;
211 QLIST_FOREACH(dcl, &ds->listeners, next) {
212 dcl_interval = dcl->update_interval ?
213 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
214 if (interval > dcl_interval) {
215 interval = dcl_interval;
218 if (ds->update_interval != interval) {
219 ds->update_interval = interval;
220 QTAILQ_FOREACH(con, &consoles, next) {
221 if (con->hw_ops->update_interval) {
222 con->hw_ops->update_interval(con->hw, interval);
225 trace_console_refresh(interval);
227 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
228 timer_mod(ds->gui_timer, ds->last_update + interval);
231 static void gui_setup_refresh(DisplayState *ds)
233 DisplayChangeListener *dcl;
234 bool need_timer = false;
235 bool have_gfx = false;
236 bool have_text = false;
238 QLIST_FOREACH(dcl, &ds->listeners, next) {
239 if (dcl->ops->dpy_refresh != NULL) {
242 if (dcl->ops->dpy_gfx_update != NULL) {
245 if (dcl->ops->dpy_text_update != NULL) {
250 if (need_timer && ds->gui_timer == NULL) {
251 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
252 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
254 if (!need_timer && ds->gui_timer != NULL) {
255 timer_del(ds->gui_timer);
256 timer_free(ds->gui_timer);
257 ds->gui_timer = NULL;
260 ds->have_gfx = have_gfx;
261 ds->have_text = have_text;
264 void graphic_hw_update_done(QemuConsole *con)
268 void graphic_hw_update(QemuConsole *con)
272 con = active_console;
274 if (con && con->hw_ops->gfx_update) {
275 con->hw_ops->gfx_update(con->hw);
276 async = con->hw_ops->gfx_update_async;
279 graphic_hw_update_done(con);
283 void graphic_hw_gl_block(QemuConsole *con, bool block)
287 con->gl_block = block;
288 if (con->hw_ops->gl_block) {
289 con->hw_ops->gl_block(con->hw, block);
293 int qemu_console_get_window_id(QemuConsole *con)
295 return con->window_id;
298 void qemu_console_set_window_id(QemuConsole *con, int window_id)
300 con->window_id = window_id;
303 void graphic_hw_invalidate(QemuConsole *con)
306 con = active_console;
308 if (con && con->hw_ops->invalidate) {
309 con->hw_ops->invalidate(con->hw);
313 static bool ppm_save(int fd, DisplaySurface *ds, Error **errp)
315 int width = pixman_image_get_width(ds->image);
316 int height = pixman_image_get_height(ds->image);
317 g_autoptr(Object) ioc = OBJECT(qio_channel_file_new_fd(fd));
318 g_autofree char *header = NULL;
319 g_autoptr(pixman_image_t) linebuf = NULL;
322 trace_ppm_save(fd, ds);
324 header = g_strdup_printf("P6\n%d %d\n%d\n", width, height, 255);
325 if (qio_channel_write_all(QIO_CHANNEL(ioc),
326 header, strlen(header), errp) < 0) {
330 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
331 for (y = 0; y < height; y++) {
332 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
333 if (qio_channel_write_all(QIO_CHANNEL(ioc),
334 (char *)pixman_image_get_data(linebuf),
335 pixman_image_get_stride(linebuf), errp) < 0) {
343 void qmp_screendump(const char *filename, bool has_device, const char *device,
344 bool has_head, int64_t head, Error **errp)
347 DisplaySurface *surface;
351 con = qemu_console_lookup_by_device_name(device, has_head ? head : 0,
358 error_setg(errp, "'head' must be specified together with 'device'");
361 con = qemu_console_lookup_by_index(0);
363 error_setg(errp, "There is no console to take a screendump from");
368 graphic_hw_update(con);
369 surface = qemu_console_surface(con);
371 error_setg(errp, "no surface");
375 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
377 error_setg(errp, "failed to open file '%s': %s", filename,
382 if (!ppm_save(fd, surface, errp)) {
383 qemu_unlink(filename);
387 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
390 con = active_console;
392 if (con && con->hw_ops->text_update) {
393 con->hw_ops->text_update(con->hw, chardata);
397 static void vga_fill_rect(QemuConsole *con,
398 int posx, int posy, int width, int height,
399 pixman_color_t color)
401 DisplaySurface *surface = qemu_console_surface(con);
402 pixman_rectangle16_t rect = {
403 .x = posx, .y = posy, .width = width, .height = height
406 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
410 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
411 static void vga_bitblt(QemuConsole *con,
412 int xs, int ys, int xd, int yd, int w, int h)
414 DisplaySurface *surface = qemu_console_surface(con);
416 pixman_image_composite(PIXMAN_OP_SRC,
417 surface->image, NULL, surface->image,
418 xs, ys, 0, 0, xd, yd, w, h);
421 /***********************************************************/
422 /* basic char display */
424 #define FONT_HEIGHT 16
429 #define QEMU_RGB(r, g, b) \
430 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
432 static const pixman_color_t color_table_rgb[2][8] = {
434 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
435 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
436 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
437 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
438 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
439 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
440 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
441 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
444 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
445 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
446 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
447 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
448 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
449 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
450 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
451 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
455 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
456 TextAttributes *t_attrib)
458 static pixman_image_t *glyphs[256];
459 DisplaySurface *surface = qemu_console_surface(s);
460 pixman_color_t fgcol, bgcol;
462 if (t_attrib->invers) {
463 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
464 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
466 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
467 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
471 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
473 qemu_pixman_glyph_render(glyphs[ch], surface->image,
474 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
477 static void text_console_resize(QemuConsole *s)
479 TextCell *cells, *c, *c1;
480 int w1, x, y, last_width;
482 last_width = s->width;
483 s->width = surface_width(s->surface) / FONT_WIDTH;
484 s->height = surface_height(s->surface) / FONT_HEIGHT;
490 cells = g_new(TextCell, s->width * s->total_height + 1);
491 for(y = 0; y < s->total_height; y++) {
492 c = &cells[y * s->width];
494 c1 = &s->cells[y * last_width];
495 for(x = 0; x < w1; x++) {
499 for(x = w1; x < s->width; x++) {
501 c->t_attrib = s->t_attrib_default;
509 static inline void text_update_xy(QemuConsole *s, int x, int y)
511 s->text_x[0] = MIN(s->text_x[0], x);
512 s->text_x[1] = MAX(s->text_x[1], x);
513 s->text_y[0] = MIN(s->text_y[0], y);
514 s->text_y[1] = MAX(s->text_y[1], y);
517 static void invalidate_xy(QemuConsole *s, int x, int y)
519 if (!qemu_console_is_visible(s)) {
522 if (s->update_x0 > x * FONT_WIDTH)
523 s->update_x0 = x * FONT_WIDTH;
524 if (s->update_y0 > y * FONT_HEIGHT)
525 s->update_y0 = y * FONT_HEIGHT;
526 if (s->update_x1 < (x + 1) * FONT_WIDTH)
527 s->update_x1 = (x + 1) * FONT_WIDTH;
528 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
529 s->update_y1 = (y + 1) * FONT_HEIGHT;
532 static void update_xy(QemuConsole *s, int x, int y)
537 if (s->ds->have_text) {
538 text_update_xy(s, x, y);
541 y1 = (s->y_base + y) % s->total_height;
542 y2 = y1 - s->y_displayed;
544 y2 += s->total_height;
546 if (y2 < s->height) {
550 c = &s->cells[y1 * s->width + x];
551 vga_putcharxy(s, x, y2, c->ch,
553 invalidate_xy(s, x, y2);
557 static void console_show_cursor(QemuConsole *s, int show)
563 if (s->ds->have_text) {
564 s->cursor_invalidate = 1;
570 y1 = (s->y_base + s->y) % s->total_height;
571 y = y1 - s->y_displayed;
573 y += s->total_height;
576 c = &s->cells[y1 * s->width + x];
577 if (show && cursor_visible_phase) {
578 TextAttributes t_attrib = s->t_attrib_default;
579 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
580 vga_putcharxy(s, x, y, c->ch, &t_attrib);
582 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
584 invalidate_xy(s, x, y);
588 static void console_refresh(QemuConsole *s)
590 DisplaySurface *surface = qemu_console_surface(s);
594 if (s->ds->have_text) {
597 s->text_x[1] = s->width - 1;
598 s->text_y[1] = s->height - 1;
599 s->cursor_invalidate = 1;
602 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
603 color_table_rgb[0][QEMU_COLOR_BLACK]);
605 for (y = 0; y < s->height; y++) {
606 c = s->cells + y1 * s->width;
607 for (x = 0; x < s->width; x++) {
608 vga_putcharxy(s, x, y, c->ch,
612 if (++y1 == s->total_height) {
616 console_show_cursor(s, 1);
617 dpy_gfx_update(s, 0, 0,
618 surface_width(surface), surface_height(surface));
621 static void console_scroll(QemuConsole *s, int ydelta)
626 for(i = 0; i < ydelta; i++) {
627 if (s->y_displayed == s->y_base)
629 if (++s->y_displayed == s->total_height)
634 i = s->backscroll_height;
635 if (i > s->total_height - s->height)
636 i = s->total_height - s->height;
639 y1 += s->total_height;
640 for(i = 0; i < ydelta; i++) {
641 if (s->y_displayed == y1)
643 if (--s->y_displayed < 0)
644 s->y_displayed = s->total_height - 1;
650 static void console_put_lf(QemuConsole *s)
656 if (s->y >= s->height) {
657 s->y = s->height - 1;
659 if (s->y_displayed == s->y_base) {
660 if (++s->y_displayed == s->total_height)
663 if (++s->y_base == s->total_height)
665 if (s->backscroll_height < s->total_height)
666 s->backscroll_height++;
667 y1 = (s->y_base + s->height - 1) % s->total_height;
668 c = &s->cells[y1 * s->width];
669 for(x = 0; x < s->width; x++) {
671 c->t_attrib = s->t_attrib_default;
674 if (s->y_displayed == s->y_base) {
675 if (s->ds->have_text) {
678 s->text_x[1] = s->width - 1;
679 s->text_y[1] = s->height - 1;
682 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
683 s->width * FONT_WIDTH,
684 (s->height - 1) * FONT_HEIGHT);
685 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
686 s->width * FONT_WIDTH, FONT_HEIGHT,
687 color_table_rgb[0][s->t_attrib_default.bgcol]);
690 s->update_x1 = s->width * FONT_WIDTH;
691 s->update_y1 = s->height * FONT_HEIGHT;
696 /* Set console attributes depending on the current escape codes.
697 * NOTE: I know this code is not very efficient (checking every color for it
698 * self) but it is more readable and better maintainable.
700 static void console_handle_escape(QemuConsole *s)
704 for (i=0; i<s->nb_esc_params; i++) {
705 switch (s->esc_params[i]) {
706 case 0: /* reset all console attributes to default */
707 s->t_attrib = s->t_attrib_default;
710 s->t_attrib.bold = 1;
713 s->t_attrib.uline = 1;
716 s->t_attrib.blink = 1;
719 s->t_attrib.invers = 1;
722 s->t_attrib.unvisible = 1;
725 s->t_attrib.bold = 0;
728 s->t_attrib.uline = 0;
731 s->t_attrib.blink = 0;
734 s->t_attrib.invers = 0;
737 s->t_attrib.unvisible = 0;
739 /* set foreground color */
741 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
744 s->t_attrib.fgcol = QEMU_COLOR_RED;
747 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
750 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
753 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
756 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
759 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
762 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
764 /* set background color */
766 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
769 s->t_attrib.bgcol = QEMU_COLOR_RED;
772 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
775 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
778 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
781 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
784 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
787 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
793 static void console_clear_xy(QemuConsole *s, int x, int y)
795 int y1 = (s->y_base + y) % s->total_height;
799 TextCell *c = &s->cells[y1 * s->width + x];
801 c->t_attrib = s->t_attrib_default;
805 static void console_put_one(QemuConsole *s, int ch)
809 if (s->x >= s->width) {
814 y1 = (s->y_base + s->y) % s->total_height;
815 c = &s->cells[y1 * s->width + s->x];
817 c->t_attrib = s->t_attrib;
818 update_xy(s, s->x, s->y);
822 static void console_respond_str(QemuConsole *s, const char *buf)
825 console_put_one(s, *buf);
830 /* set cursor, checking bounds */
831 static void set_cursor(QemuConsole *s, int x, int y)
839 if (y >= s->height) {
850 static void console_putchar(QemuConsole *s, int ch)
859 case '\r': /* carriage return */
862 case '\n': /* newline */
865 case '\b': /* backspace */
869 case '\t': /* tabspace */
870 if (s->x + (8 - (s->x % 8)) > s->width) {
874 s->x = s->x + (8 - (s->x % 8));
877 case '\a': /* alert aka. bell */
878 /* TODO: has to be implemented */
881 /* SI (shift in), character set 0 (ignored) */
884 /* SO (shift out), character set 1 (ignored) */
886 case 27: /* esc (introducing an escape sequence) */
887 s->state = TTY_STATE_ESC;
890 console_put_one(s, ch);
894 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
896 for(i=0;i<MAX_ESC_PARAMS;i++)
897 s->esc_params[i] = 0;
898 s->nb_esc_params = 0;
899 s->state = TTY_STATE_CSI;
901 s->state = TTY_STATE_NORM;
904 case TTY_STATE_CSI: /* handle escape sequence parameters */
905 if (ch >= '0' && ch <= '9') {
906 if (s->nb_esc_params < MAX_ESC_PARAMS) {
907 int *param = &s->esc_params[s->nb_esc_params];
908 int digit = (ch - '0');
910 *param = (*param <= (INT_MAX - digit) / 10) ?
911 *param * 10 + digit : INT_MAX;
914 if (s->nb_esc_params < MAX_ESC_PARAMS)
916 if (ch == ';' || ch == '?') {
919 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
920 ch, s->nb_esc_params);
921 s->state = TTY_STATE_NORM;
925 if (s->esc_params[0] == 0) {
926 s->esc_params[0] = 1;
928 set_cursor(s, s->x, s->y - s->esc_params[0]);
931 /* move cursor down */
932 if (s->esc_params[0] == 0) {
933 s->esc_params[0] = 1;
935 set_cursor(s, s->x, s->y + s->esc_params[0]);
938 /* move cursor right */
939 if (s->esc_params[0] == 0) {
940 s->esc_params[0] = 1;
942 set_cursor(s, s->x + s->esc_params[0], s->y);
945 /* move cursor left */
946 if (s->esc_params[0] == 0) {
947 s->esc_params[0] = 1;
949 set_cursor(s, s->x - s->esc_params[0], s->y);
952 /* move cursor to column */
953 set_cursor(s, s->esc_params[0] - 1, s->y);
957 /* move cursor to row, column */
958 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
961 switch (s->esc_params[0]) {
963 /* clear to end of screen */
964 for (y = s->y; y < s->height; y++) {
965 for (x = 0; x < s->width; x++) {
966 if (y == s->y && x < s->x) {
969 console_clear_xy(s, x, y);
974 /* clear from beginning of screen */
975 for (y = 0; y <= s->y; y++) {
976 for (x = 0; x < s->width; x++) {
977 if (y == s->y && x > s->x) {
980 console_clear_xy(s, x, y);
985 /* clear entire screen */
986 for (y = 0; y <= s->height; y++) {
987 for (x = 0; x < s->width; x++) {
988 console_clear_xy(s, x, y);
995 switch (s->esc_params[0]) {
998 for(x = s->x; x < s->width; x++) {
999 console_clear_xy(s, x, s->y);
1003 /* clear from beginning of line */
1004 for (x = 0; x <= s->x && x < s->width; x++) {
1005 console_clear_xy(s, x, s->y);
1009 /* clear entire line */
1010 for(x = 0; x < s->width; x++) {
1011 console_clear_xy(s, x, s->y);
1017 console_handle_escape(s);
1020 switch (s->esc_params[0]) {
1022 /* report console status (always succeed)*/
1023 console_respond_str(s, "\033[0n");
1026 /* report cursor position */
1027 sprintf(response, "\033[%d;%dR",
1028 (s->y_base + s->y) % s->total_height + 1,
1030 console_respond_str(s, response);
1035 /* save cursor position */
1040 /* restore cursor position */
1045 trace_console_putchar_unhandled(ch);
1053 void console_select(unsigned int index)
1055 DisplayChangeListener *dcl;
1058 trace_console_select(index);
1059 s = qemu_console_lookup_by_index(index);
1061 DisplayState *ds = s->ds;
1065 QLIST_FOREACH(dcl, &ds->listeners, next) {
1066 if (dcl->con != NULL) {
1069 if (dcl->ops->dpy_gfx_switch) {
1070 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1074 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1075 surface_height(s->surface));
1078 if (ds->have_text) {
1079 dpy_text_resize(s, s->width, s->height);
1081 text_console_update_cursor(NULL);
1085 typedef struct VCChardev {
1087 QemuConsole *console;
1090 #define TYPE_CHARDEV_VC "chardev-vc"
1091 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
1093 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1095 VCChardev *drv = VC_CHARDEV(chr);
1096 QemuConsole *s = drv->console;
1103 s->update_x0 = s->width * FONT_WIDTH;
1104 s->update_y0 = s->height * FONT_HEIGHT;
1107 console_show_cursor(s, 0);
1108 for(i = 0; i < len; i++) {
1109 console_putchar(s, buf[i]);
1111 console_show_cursor(s, 1);
1112 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1113 dpy_gfx_update(s, s->update_x0, s->update_y0,
1114 s->update_x1 - s->update_x0,
1115 s->update_y1 - s->update_y0);
1120 static void kbd_send_chars(void *opaque)
1122 QemuConsole *s = opaque;
1126 len = qemu_chr_be_can_write(s->chr);
1127 if (len > s->out_fifo.count)
1128 len = s->out_fifo.count;
1130 if (len > sizeof(buf))
1132 qemu_fifo_read(&s->out_fifo, buf, len);
1133 qemu_chr_be_write(s->chr, buf, len);
1135 /* characters are pending: we send them a bit later (XXX:
1136 horrible, should change char device API) */
1137 if (s->out_fifo.count > 0) {
1138 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1142 /* called when an ascii key is pressed */
1143 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1145 uint8_t buf[16], *q;
1149 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1153 case QEMU_KEY_CTRL_UP:
1154 console_scroll(s, -1);
1156 case QEMU_KEY_CTRL_DOWN:
1157 console_scroll(s, 1);
1159 case QEMU_KEY_CTRL_PAGEUP:
1160 console_scroll(s, -10);
1162 case QEMU_KEY_CTRL_PAGEDOWN:
1163 console_scroll(s, 10);
1166 /* convert the QEMU keysym to VT100 key string */
1168 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1171 c = keysym - 0xe100;
1173 *q++ = '0' + (c / 10);
1174 *q++ = '0' + (c % 10);
1176 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1179 *q++ = keysym & 0xff;
1180 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1181 vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
1187 vc_chr_write(s->chr, buf, q - buf);
1190 if (be && be->chr_read) {
1191 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1198 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1199 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1200 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1201 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1202 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1203 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1204 [Q_KEY_CODE_END] = QEMU_KEY_END,
1205 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1206 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1207 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1208 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1211 static const int ctrl_qcode_to_keysym[Q_KEY_CODE__MAX] = {
1212 [Q_KEY_CODE_UP] = QEMU_KEY_CTRL_UP,
1213 [Q_KEY_CODE_DOWN] = QEMU_KEY_CTRL_DOWN,
1214 [Q_KEY_CODE_RIGHT] = QEMU_KEY_CTRL_RIGHT,
1215 [Q_KEY_CODE_LEFT] = QEMU_KEY_CTRL_LEFT,
1216 [Q_KEY_CODE_HOME] = QEMU_KEY_CTRL_HOME,
1217 [Q_KEY_CODE_END] = QEMU_KEY_CTRL_END,
1218 [Q_KEY_CODE_PGUP] = QEMU_KEY_CTRL_PAGEUP,
1219 [Q_KEY_CODE_PGDN] = QEMU_KEY_CTRL_PAGEDOWN,
1222 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl)
1226 keysym = ctrl ? ctrl_qcode_to_keysym[qcode] : qcode_to_keysym[qcode];
1230 kbd_put_keysym_console(s, keysym);
1234 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1238 for (i = 0; i < len && str[i]; i++) {
1239 kbd_put_keysym_console(s, str[i]);
1243 void kbd_put_keysym(int keysym)
1245 kbd_put_keysym_console(active_console, keysym);
1248 static void text_console_invalidate(void *opaque)
1250 QemuConsole *s = (QemuConsole *) opaque;
1252 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1253 text_console_resize(s);
1258 static void text_console_update(void *opaque, console_ch_t *chardata)
1260 QemuConsole *s = (QemuConsole *) opaque;
1263 if (s->text_x[0] <= s->text_x[1]) {
1264 src = (s->y_base + s->text_y[0]) * s->width;
1265 chardata += s->text_y[0] * s->width;
1266 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1267 for (j = 0; j < s->width; j++, src++) {
1268 console_write_ch(chardata ++,
1269 ATTR2CHTYPE(s->cells[src].ch,
1270 s->cells[src].t_attrib.fgcol,
1271 s->cells[src].t_attrib.bgcol,
1272 s->cells[src].t_attrib.bold));
1274 dpy_text_update(s, s->text_x[0], s->text_y[0],
1275 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1276 s->text_x[0] = s->width;
1277 s->text_y[0] = s->height;
1281 if (s->cursor_invalidate) {
1282 dpy_text_cursor(s, s->x, s->y);
1283 s->cursor_invalidate = 0;
1287 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1294 obj = object_new(TYPE_QEMU_CONSOLE);
1295 s = QEMU_CONSOLE(obj);
1297 object_property_add_link(obj, "device", TYPE_DEVICE,
1298 (Object **)&s->device,
1299 object_property_allow_set_link,
1300 OBJ_PROP_LINK_STRONG);
1301 object_property_add_uint32_ptr(obj, "head", &s->head,
1302 OBJ_PROP_FLAG_READ);
1304 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1305 (console_type == GRAPHIC_CONSOLE))) {
1309 s->console_type = console_type;
1311 if (QTAILQ_EMPTY(&consoles)) {
1313 QTAILQ_INSERT_TAIL(&consoles, s, next);
1314 } else if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) {
1315 QemuConsole *last = QTAILQ_LAST(&consoles);
1316 s->index = last->index + 1;
1317 QTAILQ_INSERT_TAIL(&consoles, s, next);
1320 * HACK: Put graphical consoles before text consoles.
1322 * Only do that for coldplugged devices. After initial device
1323 * initialization we will not renumber the consoles any more.
1325 QemuConsole *c = QTAILQ_FIRST(&consoles);
1327 while (QTAILQ_NEXT(c, next) != NULL &&
1328 c->console_type == GRAPHIC_CONSOLE) {
1329 c = QTAILQ_NEXT(c, next);
1331 if (c->console_type == GRAPHIC_CONSOLE) {
1332 /* have no text consoles */
1333 s->index = c->index + 1;
1334 QTAILQ_INSERT_AFTER(&consoles, c, s, next);
1336 s->index = c->index;
1337 QTAILQ_INSERT_BEFORE(c, s, next);
1338 /* renumber text consoles */
1339 for (i = s->index + 1; c != NULL; c = QTAILQ_NEXT(c, next), i++) {
1347 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1349 qemu_pixman_image_unref(surface->image);
1350 surface->image = NULL;
1352 surface->format = PIXMAN_x8r8g8b8;
1353 surface->image = pixman_image_create_bits(surface->format,
1356 assert(surface->image != NULL);
1358 surface->flags = QEMU_ALLOCATED_FLAG;
1361 DisplaySurface *qemu_create_displaysurface(int width, int height)
1363 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1365 trace_displaysurface_create(surface, width, height);
1366 qemu_alloc_display(surface, width, height);
1370 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1371 pixman_format_code_t format,
1372 int linesize, uint8_t *data)
1374 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1376 trace_displaysurface_create_from(surface, width, height, format);
1377 surface->format = format;
1378 surface->image = pixman_image_create_bits(surface->format,
1380 (void *)data, linesize);
1381 assert(surface->image != NULL);
1386 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1388 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1390 trace_displaysurface_create_pixman(surface);
1391 surface->format = pixman_image_get_format(image);
1392 surface->image = pixman_image_ref(image);
1397 DisplaySurface *qemu_create_message_surface(int w, int h,
1400 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1401 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1402 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1403 pixman_image_t *glyph;
1407 x = (w / FONT_WIDTH - len) / 2;
1408 y = (h / FONT_HEIGHT - 1) / 2;
1409 for (i = 0; i < len; i++) {
1410 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1411 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1412 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1413 qemu_pixman_image_unref(glyph);
1418 void qemu_free_displaysurface(DisplaySurface *surface)
1420 if (surface == NULL) {
1423 trace_displaysurface_free(surface);
1424 qemu_pixman_image_unref(surface->image);
1428 bool console_has_gl(QemuConsole *con)
1430 return con->gl != NULL;
1433 bool console_has_gl_dmabuf(QemuConsole *con)
1435 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL;
1438 void register_displaychangelistener(DisplayChangeListener *dcl)
1440 static const char nodev[] =
1441 "This VM has no graphic display device.";
1442 static DisplaySurface *dummy;
1447 if (dcl->ops->dpy_gl_ctx_create) {
1448 /* display has opengl support */
1451 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1452 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1458 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1459 dcl->ds = get_alloc_displaystate();
1460 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1461 gui_setup_refresh(dcl->ds);
1466 con = active_console;
1468 if (dcl->ops->dpy_gfx_switch) {
1470 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1473 dummy = qemu_create_message_surface(640, 480, nodev);
1475 dcl->ops->dpy_gfx_switch(dcl, dummy);
1478 text_console_update_cursor(NULL);
1481 void update_displaychangelistener(DisplayChangeListener *dcl,
1484 DisplayState *ds = dcl->ds;
1486 dcl->update_interval = interval;
1487 if (!ds->refreshing && ds->update_interval > interval) {
1488 timer_mod(ds->gui_timer, ds->last_update + interval);
1492 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1494 DisplayState *ds = dcl->ds;
1495 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1499 QLIST_REMOVE(dcl, next);
1501 gui_setup_refresh(ds);
1504 static void dpy_set_ui_info_timer(void *opaque)
1506 QemuConsole *con = opaque;
1508 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1511 bool dpy_ui_info_supported(QemuConsole *con)
1513 return con->hw_ops->ui_info != NULL;
1516 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1518 assert(con != NULL);
1520 if (!dpy_ui_info_supported(con)) {
1523 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1524 /* nothing changed -- ignore */
1529 * Typically we get a flood of these as the user resizes the window.
1530 * Wait until the dust has settled (one second without updates), then
1531 * go notify the guest.
1533 con->ui_info = *info;
1534 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1538 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1540 DisplayState *s = con->ds;
1541 DisplayChangeListener *dcl;
1546 width = surface_width(con->surface);
1547 height = surface_height(con->surface);
1553 w = MIN(w, width - x);
1554 h = MIN(h, height - y);
1556 if (!qemu_console_is_visible(con)) {
1559 QLIST_FOREACH(dcl, &s->listeners, next) {
1560 if (con != (dcl->con ? dcl->con : active_console)) {
1563 if (dcl->ops->dpy_gfx_update) {
1564 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1569 void dpy_gfx_update_full(QemuConsole *con)
1571 if (!con->surface) {
1574 dpy_gfx_update(con, 0, 0,
1575 surface_width(con->surface),
1576 surface_height(con->surface));
1579 void dpy_gfx_replace_surface(QemuConsole *con,
1580 DisplaySurface *surface)
1582 DisplayState *s = con->ds;
1583 DisplaySurface *old_surface = con->surface;
1584 DisplayChangeListener *dcl;
1586 assert(old_surface != surface || surface == NULL);
1588 con->surface = surface;
1589 QLIST_FOREACH(dcl, &s->listeners, next) {
1590 if (con != (dcl->con ? dcl->con : active_console)) {
1593 if (dcl->ops->dpy_gfx_switch) {
1594 dcl->ops->dpy_gfx_switch(dcl, surface);
1597 qemu_free_displaysurface(old_surface);
1600 bool dpy_gfx_check_format(QemuConsole *con,
1601 pixman_format_code_t format)
1603 DisplayChangeListener *dcl;
1604 DisplayState *s = con->ds;
1606 QLIST_FOREACH(dcl, &s->listeners, next) {
1607 if (dcl->con && dcl->con != con) {
1608 /* dcl bound to another console -> skip */
1611 if (dcl->ops->dpy_gfx_check_format) {
1612 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1616 /* default is to whitelist native 32 bpp only */
1617 if (format != qemu_default_pixman_format(32, true)) {
1625 static void dpy_refresh(DisplayState *s)
1627 DisplayChangeListener *dcl;
1629 QLIST_FOREACH(dcl, &s->listeners, next) {
1630 if (dcl->ops->dpy_refresh) {
1631 dcl->ops->dpy_refresh(dcl);
1636 void dpy_text_cursor(QemuConsole *con, int x, int y)
1638 DisplayState *s = con->ds;
1639 DisplayChangeListener *dcl;
1641 if (!qemu_console_is_visible(con)) {
1644 QLIST_FOREACH(dcl, &s->listeners, next) {
1645 if (con != (dcl->con ? dcl->con : active_console)) {
1648 if (dcl->ops->dpy_text_cursor) {
1649 dcl->ops->dpy_text_cursor(dcl, x, y);
1654 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1656 DisplayState *s = con->ds;
1657 DisplayChangeListener *dcl;
1659 if (!qemu_console_is_visible(con)) {
1662 QLIST_FOREACH(dcl, &s->listeners, next) {
1663 if (con != (dcl->con ? dcl->con : active_console)) {
1666 if (dcl->ops->dpy_text_update) {
1667 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1672 void dpy_text_resize(QemuConsole *con, int w, int h)
1674 DisplayState *s = con->ds;
1675 DisplayChangeListener *dcl;
1677 if (!qemu_console_is_visible(con)) {
1680 QLIST_FOREACH(dcl, &s->listeners, next) {
1681 if (con != (dcl->con ? dcl->con : active_console)) {
1684 if (dcl->ops->dpy_text_resize) {
1685 dcl->ops->dpy_text_resize(dcl, w, h);
1690 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1692 DisplayState *s = con->ds;
1693 DisplayChangeListener *dcl;
1695 if (!qemu_console_is_visible(con)) {
1698 QLIST_FOREACH(dcl, &s->listeners, next) {
1699 if (con != (dcl->con ? dcl->con : active_console)) {
1702 if (dcl->ops->dpy_mouse_set) {
1703 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1708 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1710 DisplayState *s = con->ds;
1711 DisplayChangeListener *dcl;
1713 if (!qemu_console_is_visible(con)) {
1716 QLIST_FOREACH(dcl, &s->listeners, next) {
1717 if (con != (dcl->con ? dcl->con : active_console)) {
1720 if (dcl->ops->dpy_cursor_define) {
1721 dcl->ops->dpy_cursor_define(dcl, cursor);
1726 bool dpy_cursor_define_supported(QemuConsole *con)
1728 DisplayState *s = con->ds;
1729 DisplayChangeListener *dcl;
1731 QLIST_FOREACH(dcl, &s->listeners, next) {
1732 if (dcl->ops->dpy_cursor_define) {
1739 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1740 struct QEMUGLParams *qparams)
1743 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1746 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1749 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1752 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1755 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1758 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1761 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1764 void dpy_gl_scanout_disable(QemuConsole *con)
1767 if (con->gl->ops->dpy_gl_scanout_disable) {
1768 con->gl->ops->dpy_gl_scanout_disable(con->gl);
1770 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0,
1775 void dpy_gl_scanout_texture(QemuConsole *con,
1776 uint32_t backing_id,
1777 bool backing_y_0_top,
1778 uint32_t backing_width,
1779 uint32_t backing_height,
1780 uint32_t x, uint32_t y,
1781 uint32_t width, uint32_t height)
1784 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id,
1786 backing_width, backing_height,
1787 x, y, width, height);
1790 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1794 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf);
1797 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
1798 bool have_hot, uint32_t hot_x, uint32_t hot_y)
1802 if (con->gl->ops->dpy_gl_cursor_dmabuf) {
1803 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf,
1804 have_hot, hot_x, hot_y);
1808 void dpy_gl_cursor_position(QemuConsole *con,
1809 uint32_t pos_x, uint32_t pos_y)
1813 if (con->gl->ops->dpy_gl_cursor_position) {
1814 con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y);
1818 void dpy_gl_release_dmabuf(QemuConsole *con,
1823 if (con->gl->ops->dpy_gl_release_dmabuf) {
1824 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf);
1828 void dpy_gl_update(QemuConsole *con,
1829 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1832 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1835 /***********************************************************/
1836 /* register display */
1838 /* console.c internal use only */
1839 static DisplayState *get_alloc_displaystate(void)
1841 if (!display_state) {
1842 display_state = g_new0(DisplayState, 1);
1843 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1844 text_console_update_cursor, NULL);
1846 return display_state;
1850 * Called by main(), after creating QemuConsoles
1851 * and before initializing ui (sdl/vnc/...).
1853 DisplayState *init_displaystate(void)
1858 get_alloc_displaystate();
1859 QTAILQ_FOREACH(con, &consoles, next) {
1860 if (con->console_type != GRAPHIC_CONSOLE &&
1862 text_console_do_init(con->chr, display_state);
1865 /* Hook up into the qom tree here (not in new_console()), once
1866 * all QemuConsoles are created and the order / numbering
1867 * doesn't change any more */
1868 name = g_strdup_printf("console[%d]", con->index);
1869 object_property_add_child(container_get(object_get_root(), "/backend"),
1874 return display_state;
1877 void graphic_console_set_hwops(QemuConsole *con,
1878 const GraphicHwOps *hw_ops,
1881 con->hw_ops = hw_ops;
1885 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1886 const GraphicHwOps *hw_ops,
1889 static const char noinit[] =
1890 "Guest has not initialized the display (yet).";
1895 DisplaySurface *surface;
1897 ds = get_alloc_displaystate();
1898 s = qemu_console_lookup_unused();
1900 trace_console_gfx_reuse(s->index);
1902 width = surface_width(s->surface);
1903 height = surface_height(s->surface);
1906 trace_console_gfx_new();
1907 s = new_console(ds, GRAPHIC_CONSOLE, head);
1908 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1909 dpy_set_ui_info_timer, s);
1911 graphic_console_set_hwops(s, hw_ops, opaque);
1913 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1917 surface = qemu_create_message_surface(width, height, noinit);
1918 dpy_gfx_replace_surface(s, surface);
1922 static const GraphicHwOps unused_ops = {
1926 void graphic_console_close(QemuConsole *con)
1928 static const char unplugged[] =
1929 "Guest display has been unplugged";
1930 DisplaySurface *surface;
1935 width = surface_width(con->surface);
1936 height = surface_height(con->surface);
1939 trace_console_gfx_close(con->index);
1940 object_property_set_link(OBJECT(con), NULL, "device", &error_abort);
1941 graphic_console_set_hwops(con, &unused_ops, NULL);
1944 dpy_gl_scanout_disable(con);
1946 surface = qemu_create_message_surface(width, height, unplugged);
1947 dpy_gfx_replace_surface(con, surface);
1950 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1954 QTAILQ_FOREACH(con, &consoles, next) {
1955 if (con->index == index) {
1962 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1968 QTAILQ_FOREACH(con, &consoles, next) {
1969 obj = object_property_get_link(OBJECT(con),
1970 "device", &error_abort);
1971 if (DEVICE(obj) != dev) {
1974 h = object_property_get_uint(OBJECT(con),
1975 "head", &error_abort);
1984 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
1985 uint32_t head, Error **errp)
1990 dev = qdev_find_recursive(sysbus_get_default(), device_id);
1992 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
1993 "Device '%s' not found", device_id);
1997 con = qemu_console_lookup_by_device(dev, head);
1999 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
2007 QemuConsole *qemu_console_lookup_unused(void)
2012 QTAILQ_FOREACH(con, &consoles, next) {
2013 if (con->hw_ops != &unused_ops) {
2016 obj = object_property_get_link(OBJECT(con),
2017 "device", &error_abort);
2026 bool qemu_console_is_visible(QemuConsole *con)
2028 return (con == active_console) || (con->dcls > 0);
2031 bool qemu_console_is_graphic(QemuConsole *con)
2034 con = active_console;
2036 return con && (con->console_type == GRAPHIC_CONSOLE);
2039 bool qemu_console_is_fixedsize(QemuConsole *con)
2042 con = active_console;
2044 return con && (con->console_type != TEXT_CONSOLE);
2047 bool qemu_console_is_gl_blocked(QemuConsole *con)
2049 assert(con != NULL);
2050 return con->gl_block;
2053 char *qemu_console_get_label(QemuConsole *con)
2055 if (con->console_type == GRAPHIC_CONSOLE) {
2057 return g_strdup(object_get_typename(con->device));
2059 return g_strdup("VGA");
2061 if (con->chr && con->chr->label) {
2062 return g_strdup(con->chr->label);
2064 return g_strdup_printf("vc%d", con->index);
2068 int qemu_console_get_index(QemuConsole *con)
2071 con = active_console;
2073 return con ? con->index : -1;
2076 uint32_t qemu_console_get_head(QemuConsole *con)
2079 con = active_console;
2081 return con ? con->head : -1;
2084 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
2086 assert(con != NULL);
2087 return &con->ui_info;
2090 int qemu_console_get_width(QemuConsole *con, int fallback)
2093 con = active_console;
2095 return con ? surface_width(con->surface) : fallback;
2098 int qemu_console_get_height(QemuConsole *con, int fallback)
2101 con = active_console;
2103 return con ? surface_height(con->surface) : fallback;
2106 static void vc_chr_set_echo(Chardev *chr, bool echo)
2108 VCChardev *drv = VC_CHARDEV(chr);
2109 QemuConsole *s = drv->console;
2114 static void text_console_update_cursor_timer(void)
2116 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
2117 + CONSOLE_CURSOR_PERIOD / 2);
2120 static void text_console_update_cursor(void *opaque)
2125 cursor_visible_phase = !cursor_visible_phase;
2127 QTAILQ_FOREACH(s, &consoles, next) {
2128 if (qemu_console_is_graphic(s) ||
2129 !qemu_console_is_visible(s)) {
2133 graphic_hw_invalidate(s);
2137 text_console_update_cursor_timer();
2141 static const GraphicHwOps text_console_ops = {
2142 .invalidate = text_console_invalidate,
2143 .text_update = text_console_update,
2146 static void text_console_do_init(Chardev *chr, DisplayState *ds)
2148 VCChardev *drv = VC_CHARDEV(chr);
2149 QemuConsole *s = drv->console;
2150 int g_width = 80 * FONT_WIDTH;
2151 int g_height = 24 * FONT_HEIGHT;
2153 s->out_fifo.buf = s->out_fifo_buf;
2154 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
2155 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
2160 s->total_height = DEFAULT_BACKSCROLL;
2164 if (active_console && active_console->surface) {
2165 g_width = surface_width(active_console->surface);
2166 g_height = surface_height(active_console->surface);
2168 s->surface = qemu_create_displaysurface(g_width, g_height);
2171 s->hw_ops = &text_console_ops;
2174 /* Set text attribute defaults */
2175 s->t_attrib_default.bold = 0;
2176 s->t_attrib_default.uline = 0;
2177 s->t_attrib_default.blink = 0;
2178 s->t_attrib_default.invers = 0;
2179 s->t_attrib_default.unvisible = 0;
2180 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2181 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2182 /* set current text attributes to default */
2183 s->t_attrib = s->t_attrib_default;
2184 text_console_resize(s);
2190 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2191 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
2192 vc_chr_write(chr, (uint8_t *)msg, len);
2193 s->t_attrib = s->t_attrib_default;
2196 qemu_chr_be_event(chr, CHR_EVENT_OPENED);
2199 static void vc_chr_open(Chardev *chr,
2200 ChardevBackend *backend,
2204 ChardevVC *vc = backend->u.vc.data;
2205 VCChardev *drv = VC_CHARDEV(chr);
2208 unsigned height = 0;
2210 if (vc->has_width) {
2212 } else if (vc->has_cols) {
2213 width = vc->cols * FONT_WIDTH;
2216 if (vc->has_height) {
2217 height = vc->height;
2218 } else if (vc->has_rows) {
2219 height = vc->rows * FONT_HEIGHT;
2222 trace_console_txt_new(width, height);
2223 if (width == 0 || height == 0) {
2224 s = new_console(NULL, TEXT_CONSOLE, 0);
2226 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2227 s->surface = qemu_create_displaysurface(width, height);
2231 error_setg(errp, "cannot create text console");
2238 if (display_state) {
2239 text_console_do_init(chr, display_state);
2242 /* console/chardev init sometimes completes elsewhere in a 2nd
2243 * stage, so defer OPENED events until they are fully initialized
2248 void qemu_console_resize(QemuConsole *s, int width, int height)
2250 DisplaySurface *surface;
2252 assert(s->console_type == GRAPHIC_CONSOLE);
2254 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) &&
2255 pixman_image_get_width(s->surface->image) == width &&
2256 pixman_image_get_height(s->surface->image) == height) {
2260 surface = qemu_create_displaysurface(width, height);
2261 dpy_gfx_replace_surface(s, surface);
2264 DisplaySurface *qemu_console_surface(QemuConsole *console)
2266 return console->surface;
2269 PixelFormat qemu_default_pixelformat(int bpp)
2271 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2272 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2276 static QemuDisplay *dpys[DISPLAY_TYPE__MAX];
2278 void qemu_display_register(QemuDisplay *ui)
2280 assert(ui->type < DISPLAY_TYPE__MAX);
2281 dpys[ui->type] = ui;
2284 bool qemu_display_find_default(DisplayOptions *opts)
2286 static DisplayType prio[] = {
2293 for (i = 0; i < ARRAY_SIZE(prio); i++) {
2294 if (dpys[prio[i]] == NULL) {
2295 ui_module_load_one(DisplayType_str(prio[i]));
2297 if (dpys[prio[i]] == NULL) {
2300 opts->type = prio[i];
2306 void qemu_display_early_init(DisplayOptions *opts)
2308 assert(opts->type < DISPLAY_TYPE__MAX);
2309 if (opts->type == DISPLAY_TYPE_NONE) {
2312 if (dpys[opts->type] == NULL) {
2313 ui_module_load_one(DisplayType_str(opts->type));
2315 if (dpys[opts->type] == NULL) {
2316 error_report("Display '%s' is not available.",
2317 DisplayType_str(opts->type));
2320 if (dpys[opts->type]->early_init) {
2321 dpys[opts->type]->early_init(opts);
2325 void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
2327 assert(opts->type < DISPLAY_TYPE__MAX);
2328 if (opts->type == DISPLAY_TYPE_NONE) {
2331 assert(dpys[opts->type] != NULL);
2332 dpys[opts->type]->init(ds, opts);
2335 void qemu_display_help(void)
2339 printf("Available display backend types:\n");
2341 for (idx = DISPLAY_TYPE_NONE; idx < DISPLAY_TYPE__MAX; idx++) {
2343 ui_module_load_one(DisplayType_str(idx));
2346 printf("%s\n", DisplayType_str(dpys[idx]->type));
2351 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
2356 backend->type = CHARDEV_BACKEND_KIND_VC;
2357 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2358 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2360 val = qemu_opt_get_number(opts, "width", 0);
2362 vc->has_width = true;
2366 val = qemu_opt_get_number(opts, "height", 0);
2368 vc->has_height = true;
2372 val = qemu_opt_get_number(opts, "cols", 0);
2374 vc->has_cols = true;
2378 val = qemu_opt_get_number(opts, "rows", 0);
2380 vc->has_rows = true;
2385 static const TypeInfo qemu_console_info = {
2386 .name = TYPE_QEMU_CONSOLE,
2387 .parent = TYPE_OBJECT,
2388 .instance_size = sizeof(QemuConsole),
2389 .class_size = sizeof(QemuConsoleClass),
2392 static void char_vc_class_init(ObjectClass *oc, void *data)
2394 ChardevClass *cc = CHARDEV_CLASS(oc);
2396 cc->parse = qemu_chr_parse_vc;
2397 cc->open = vc_chr_open;
2398 cc->chr_write = vc_chr_write;
2399 cc->chr_set_echo = vc_chr_set_echo;
2402 static const TypeInfo char_vc_type_info = {
2403 .name = TYPE_CHARDEV_VC,
2404 .parent = TYPE_CHARDEV,
2405 .instance_size = sizeof(VCChardev),
2406 .class_init = char_vc_class_init,
2409 void qemu_console_early_init(void)
2411 /* set the default vc driver */
2412 if (!object_class_by_name(TYPE_CHARDEV_VC)) {
2413 type_register(&char_vc_type_info);
2417 static void register_types(void)
2419 type_register_static(&qemu_console_info);
2422 type_init(register_types);