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"
37 #define DEFAULT_BACKSCROLL 512
38 #define CONSOLE_CURSOR_PERIOD 500
40 typedef struct TextAttributes {
50 typedef struct TextCell {
52 TextAttributes t_attrib;
55 #define MAX_ESC_PARAMS 3
63 typedef struct QEMUFIFO {
66 int count, wptr, rptr;
69 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
73 l = f->buf_size - f->count;
78 l = f->buf_size - f->wptr;
81 memcpy(f->buf + f->wptr, buf, l);
83 if (f->wptr >= f->buf_size)
92 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
100 l = f->buf_size - f->rptr;
103 memcpy(buf, f->buf + f->rptr, l);
105 if (f->rptr >= f->buf_size)
117 TEXT_CONSOLE_FIXED_SIZE
124 console_type_t console_type;
126 DisplaySurface *surface;
128 DisplayChangeListener *gl;
132 /* Graphic console state. */
137 const GraphicHwOps *hw_ops;
140 /* Text console state */
144 int backscroll_height;
146 int x_saved, y_saved;
149 TextAttributes t_attrib_default; /* default text attributes */
150 TextAttributes t_attrib; /* currently active text attributes */
152 int text_x[2], text_y[2], cursor_invalidate;
161 int esc_params[MAX_ESC_PARAMS];
165 /* fifo for key pressed */
167 uint8_t out_fifo_buf[16];
168 QEMUTimer *kbd_timer;
170 QTAILQ_ENTRY(QemuConsole) next;
173 struct DisplayState {
174 QEMUTimer *gui_timer;
175 uint64_t last_update;
176 uint64_t update_interval;
181 QLIST_HEAD(, DisplayChangeListener) listeners;
184 static DisplayState *display_state;
185 static QemuConsole *active_console;
186 static QTAILQ_HEAD(, QemuConsole) consoles =
187 QTAILQ_HEAD_INITIALIZER(consoles);
188 static bool cursor_visible_phase;
189 static QEMUTimer *cursor_timer;
191 static void text_console_do_init(Chardev *chr, DisplayState *ds);
192 static void dpy_refresh(DisplayState *s);
193 static DisplayState *get_alloc_displaystate(void);
194 static void text_console_update_cursor_timer(void);
195 static void text_console_update_cursor(void *opaque);
197 static void gui_update(void *opaque)
199 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
200 uint64_t dcl_interval;
201 DisplayState *ds = opaque;
202 DisplayChangeListener *dcl;
205 ds->refreshing = true;
207 ds->refreshing = false;
209 QLIST_FOREACH(dcl, &ds->listeners, next) {
210 dcl_interval = dcl->update_interval ?
211 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
212 if (interval > dcl_interval) {
213 interval = dcl_interval;
216 if (ds->update_interval != interval) {
217 ds->update_interval = interval;
218 QTAILQ_FOREACH(con, &consoles, next) {
219 if (con->hw_ops->update_interval) {
220 con->hw_ops->update_interval(con->hw, interval);
223 trace_console_refresh(interval);
225 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
226 timer_mod(ds->gui_timer, ds->last_update + interval);
229 static void gui_setup_refresh(DisplayState *ds)
231 DisplayChangeListener *dcl;
232 bool need_timer = false;
233 bool have_gfx = false;
234 bool have_text = false;
236 QLIST_FOREACH(dcl, &ds->listeners, next) {
237 if (dcl->ops->dpy_refresh != NULL) {
240 if (dcl->ops->dpy_gfx_update != NULL) {
243 if (dcl->ops->dpy_text_update != NULL) {
248 if (need_timer && ds->gui_timer == NULL) {
249 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
250 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
252 if (!need_timer && ds->gui_timer != NULL) {
253 timer_del(ds->gui_timer);
254 timer_free(ds->gui_timer);
255 ds->gui_timer = NULL;
258 ds->have_gfx = have_gfx;
259 ds->have_text = have_text;
262 void graphic_hw_update(QemuConsole *con)
265 con = active_console;
267 if (con && con->hw_ops->gfx_update) {
268 con->hw_ops->gfx_update(con->hw);
272 void graphic_hw_gl_block(QemuConsole *con, bool block)
276 con->gl_block = block;
277 if (con->hw_ops->gl_block) {
278 con->hw_ops->gl_block(con->hw, block);
282 int qemu_console_get_window_id(QemuConsole *con)
284 return con->window_id;
287 void qemu_console_set_window_id(QemuConsole *con, int window_id)
289 con->window_id = window_id;
292 void graphic_hw_invalidate(QemuConsole *con)
295 con = active_console;
297 if (con && con->hw_ops->invalidate) {
298 con->hw_ops->invalidate(con->hw);
302 static void ppm_save(const char *filename, DisplaySurface *ds,
305 int width = pixman_image_get_width(ds->image);
306 int height = pixman_image_get_height(ds->image);
311 pixman_image_t *linebuf;
313 trace_ppm_save(filename, ds);
314 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
316 error_setg(errp, "failed to open file '%s': %s", filename,
320 f = fdopen(fd, "wb");
321 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
326 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
327 for (y = 0; y < height; y++) {
328 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
330 ret = fwrite(pixman_image_get_data(linebuf), 1,
331 pixman_image_get_stride(linebuf), f);
339 qemu_pixman_image_unref(linebuf);
344 error_setg(errp, "failed to write to file '%s': %s", filename,
350 void qmp_screendump(const char *filename, bool has_device, const char *device,
351 bool has_head, int64_t head, Error **errp)
354 DisplaySurface *surface;
357 con = qemu_console_lookup_by_device_name(device, has_head ? head : 0,
364 error_setg(errp, "'head' must be specified together with 'device'");
367 con = qemu_console_lookup_by_index(0);
369 error_setg(errp, "There is no console to take a screendump from");
374 graphic_hw_update(con);
375 surface = qemu_console_surface(con);
377 error_setg(errp, "no surface");
381 ppm_save(filename, surface, errp);
384 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
387 con = active_console;
389 if (con && con->hw_ops->text_update) {
390 con->hw_ops->text_update(con->hw, chardata);
394 static void vga_fill_rect(QemuConsole *con,
395 int posx, int posy, int width, int height,
396 pixman_color_t color)
398 DisplaySurface *surface = qemu_console_surface(con);
399 pixman_rectangle16_t rect = {
400 .x = posx, .y = posy, .width = width, .height = height
403 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
407 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
408 static void vga_bitblt(QemuConsole *con,
409 int xs, int ys, int xd, int yd, int w, int h)
411 DisplaySurface *surface = qemu_console_surface(con);
413 pixman_image_composite(PIXMAN_OP_SRC,
414 surface->image, NULL, surface->image,
415 xs, ys, 0, 0, xd, yd, w, h);
418 /***********************************************************/
419 /* basic char display */
421 #define FONT_HEIGHT 16
426 #define QEMU_RGB(r, g, b) \
427 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
429 static const pixman_color_t color_table_rgb[2][8] = {
431 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
432 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
433 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
434 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
435 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
436 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
437 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
438 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
441 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
442 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
443 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
444 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
445 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
446 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
447 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
448 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
452 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
453 TextAttributes *t_attrib)
455 static pixman_image_t *glyphs[256];
456 DisplaySurface *surface = qemu_console_surface(s);
457 pixman_color_t fgcol, bgcol;
459 if (t_attrib->invers) {
460 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
461 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
463 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
464 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
468 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
470 qemu_pixman_glyph_render(glyphs[ch], surface->image,
471 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
474 static void text_console_resize(QemuConsole *s)
476 TextCell *cells, *c, *c1;
477 int w1, x, y, last_width;
479 last_width = s->width;
480 s->width = surface_width(s->surface) / FONT_WIDTH;
481 s->height = surface_height(s->surface) / FONT_HEIGHT;
487 cells = g_new(TextCell, s->width * s->total_height + 1);
488 for(y = 0; y < s->total_height; y++) {
489 c = &cells[y * s->width];
491 c1 = &s->cells[y * last_width];
492 for(x = 0; x < w1; x++) {
496 for(x = w1; x < s->width; x++) {
498 c->t_attrib = s->t_attrib_default;
506 static inline void text_update_xy(QemuConsole *s, int x, int y)
508 s->text_x[0] = MIN(s->text_x[0], x);
509 s->text_x[1] = MAX(s->text_x[1], x);
510 s->text_y[0] = MIN(s->text_y[0], y);
511 s->text_y[1] = MAX(s->text_y[1], y);
514 static void invalidate_xy(QemuConsole *s, int x, int y)
516 if (!qemu_console_is_visible(s)) {
519 if (s->update_x0 > x * FONT_WIDTH)
520 s->update_x0 = x * FONT_WIDTH;
521 if (s->update_y0 > y * FONT_HEIGHT)
522 s->update_y0 = y * FONT_HEIGHT;
523 if (s->update_x1 < (x + 1) * FONT_WIDTH)
524 s->update_x1 = (x + 1) * FONT_WIDTH;
525 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
526 s->update_y1 = (y + 1) * FONT_HEIGHT;
529 static void update_xy(QemuConsole *s, int x, int y)
534 if (s->ds->have_text) {
535 text_update_xy(s, x, y);
538 y1 = (s->y_base + y) % s->total_height;
539 y2 = y1 - s->y_displayed;
541 y2 += s->total_height;
543 if (y2 < s->height) {
547 c = &s->cells[y1 * s->width + x];
548 vga_putcharxy(s, x, y2, c->ch,
550 invalidate_xy(s, x, y2);
554 static void console_show_cursor(QemuConsole *s, int show)
560 if (s->ds->have_text) {
561 s->cursor_invalidate = 1;
567 y1 = (s->y_base + s->y) % s->total_height;
568 y = y1 - s->y_displayed;
570 y += s->total_height;
573 c = &s->cells[y1 * s->width + x];
574 if (show && cursor_visible_phase) {
575 TextAttributes t_attrib = s->t_attrib_default;
576 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
577 vga_putcharxy(s, x, y, c->ch, &t_attrib);
579 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
581 invalidate_xy(s, x, y);
585 static void console_refresh(QemuConsole *s)
587 DisplaySurface *surface = qemu_console_surface(s);
591 if (s->ds->have_text) {
594 s->text_x[1] = s->width - 1;
595 s->text_y[1] = s->height - 1;
596 s->cursor_invalidate = 1;
599 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
600 color_table_rgb[0][QEMU_COLOR_BLACK]);
602 for (y = 0; y < s->height; y++) {
603 c = s->cells + y1 * s->width;
604 for (x = 0; x < s->width; x++) {
605 vga_putcharxy(s, x, y, c->ch,
609 if (++y1 == s->total_height) {
613 console_show_cursor(s, 1);
614 dpy_gfx_update(s, 0, 0,
615 surface_width(surface), surface_height(surface));
618 static void console_scroll(QemuConsole *s, int ydelta)
623 for(i = 0; i < ydelta; i++) {
624 if (s->y_displayed == s->y_base)
626 if (++s->y_displayed == s->total_height)
631 i = s->backscroll_height;
632 if (i > s->total_height - s->height)
633 i = s->total_height - s->height;
636 y1 += s->total_height;
637 for(i = 0; i < ydelta; i++) {
638 if (s->y_displayed == y1)
640 if (--s->y_displayed < 0)
641 s->y_displayed = s->total_height - 1;
647 static void console_put_lf(QemuConsole *s)
653 if (s->y >= s->height) {
654 s->y = s->height - 1;
656 if (s->y_displayed == s->y_base) {
657 if (++s->y_displayed == s->total_height)
660 if (++s->y_base == s->total_height)
662 if (s->backscroll_height < s->total_height)
663 s->backscroll_height++;
664 y1 = (s->y_base + s->height - 1) % s->total_height;
665 c = &s->cells[y1 * s->width];
666 for(x = 0; x < s->width; x++) {
668 c->t_attrib = s->t_attrib_default;
671 if (s->y_displayed == s->y_base) {
672 if (s->ds->have_text) {
675 s->text_x[1] = s->width - 1;
676 s->text_y[1] = s->height - 1;
679 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
680 s->width * FONT_WIDTH,
681 (s->height - 1) * FONT_HEIGHT);
682 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
683 s->width * FONT_WIDTH, FONT_HEIGHT,
684 color_table_rgb[0][s->t_attrib_default.bgcol]);
687 s->update_x1 = s->width * FONT_WIDTH;
688 s->update_y1 = s->height * FONT_HEIGHT;
693 /* Set console attributes depending on the current escape codes.
694 * NOTE: I know this code is not very efficient (checking every color for it
695 * self) but it is more readable and better maintainable.
697 static void console_handle_escape(QemuConsole *s)
701 for (i=0; i<s->nb_esc_params; i++) {
702 switch (s->esc_params[i]) {
703 case 0: /* reset all console attributes to default */
704 s->t_attrib = s->t_attrib_default;
707 s->t_attrib.bold = 1;
710 s->t_attrib.uline = 1;
713 s->t_attrib.blink = 1;
716 s->t_attrib.invers = 1;
719 s->t_attrib.unvisible = 1;
722 s->t_attrib.bold = 0;
725 s->t_attrib.uline = 0;
728 s->t_attrib.blink = 0;
731 s->t_attrib.invers = 0;
734 s->t_attrib.unvisible = 0;
736 /* set foreground color */
738 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
741 s->t_attrib.fgcol = QEMU_COLOR_RED;
744 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
747 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
750 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
753 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
756 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
759 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
761 /* set background color */
763 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
766 s->t_attrib.bgcol = QEMU_COLOR_RED;
769 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
772 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
775 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
778 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
781 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
784 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
790 static void console_clear_xy(QemuConsole *s, int x, int y)
792 int y1 = (s->y_base + y) % s->total_height;
796 TextCell *c = &s->cells[y1 * s->width + x];
798 c->t_attrib = s->t_attrib_default;
802 static void console_put_one(QemuConsole *s, int ch)
806 if (s->x >= s->width) {
811 y1 = (s->y_base + s->y) % s->total_height;
812 c = &s->cells[y1 * s->width + s->x];
814 c->t_attrib = s->t_attrib;
815 update_xy(s, s->x, s->y);
819 static void console_respond_str(QemuConsole *s, const char *buf)
822 console_put_one(s, *buf);
827 /* set cursor, checking bounds */
828 static void set_cursor(QemuConsole *s, int x, int y)
836 if (y >= s->height) {
847 static void console_putchar(QemuConsole *s, int ch)
856 case '\r': /* carriage return */
859 case '\n': /* newline */
862 case '\b': /* backspace */
866 case '\t': /* tabspace */
867 if (s->x + (8 - (s->x % 8)) > s->width) {
871 s->x = s->x + (8 - (s->x % 8));
874 case '\a': /* alert aka. bell */
875 /* TODO: has to be implemented */
878 /* SI (shift in), character set 0 (ignored) */
881 /* SO (shift out), character set 1 (ignored) */
883 case 27: /* esc (introducing an escape sequence) */
884 s->state = TTY_STATE_ESC;
887 console_put_one(s, ch);
891 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
893 for(i=0;i<MAX_ESC_PARAMS;i++)
894 s->esc_params[i] = 0;
895 s->nb_esc_params = 0;
896 s->state = TTY_STATE_CSI;
898 s->state = TTY_STATE_NORM;
901 case TTY_STATE_CSI: /* handle escape sequence parameters */
902 if (ch >= '0' && ch <= '9') {
903 if (s->nb_esc_params < MAX_ESC_PARAMS) {
904 int *param = &s->esc_params[s->nb_esc_params];
905 int digit = (ch - '0');
907 *param = (*param <= (INT_MAX - digit) / 10) ?
908 *param * 10 + digit : INT_MAX;
911 if (s->nb_esc_params < MAX_ESC_PARAMS)
913 if (ch == ';' || ch == '?') {
916 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
917 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 < s->width; 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 switch (s->esc_params[0]) {
1019 /* report console status (always succeed)*/
1020 console_respond_str(s, "\033[0n");
1023 /* report cursor position */
1024 sprintf(response, "\033[%d;%dR",
1025 (s->y_base + s->y) % s->total_height + 1,
1027 console_respond_str(s, response);
1032 /* save cursor position */
1037 /* restore cursor position */
1042 trace_console_putchar_unhandled(ch);
1050 void console_select(unsigned int index)
1052 DisplayChangeListener *dcl;
1055 trace_console_select(index);
1056 s = qemu_console_lookup_by_index(index);
1058 DisplayState *ds = s->ds;
1062 QLIST_FOREACH(dcl, &ds->listeners, next) {
1063 if (dcl->con != NULL) {
1066 if (dcl->ops->dpy_gfx_switch) {
1067 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1071 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1072 surface_height(s->surface));
1075 if (ds->have_text) {
1076 dpy_text_resize(s, s->width, s->height);
1078 text_console_update_cursor(NULL);
1082 typedef struct VCChardev {
1084 QemuConsole *console;
1087 #define TYPE_CHARDEV_VC "chardev-vc"
1088 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
1090 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1092 VCChardev *drv = VC_CHARDEV(chr);
1093 QemuConsole *s = drv->console;
1100 s->update_x0 = s->width * FONT_WIDTH;
1101 s->update_y0 = s->height * FONT_HEIGHT;
1104 console_show_cursor(s, 0);
1105 for(i = 0; i < len; i++) {
1106 console_putchar(s, buf[i]);
1108 console_show_cursor(s, 1);
1109 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1110 dpy_gfx_update(s, s->update_x0, s->update_y0,
1111 s->update_x1 - s->update_x0,
1112 s->update_y1 - s->update_y0);
1117 static void kbd_send_chars(void *opaque)
1119 QemuConsole *s = opaque;
1123 len = qemu_chr_be_can_write(s->chr);
1124 if (len > s->out_fifo.count)
1125 len = s->out_fifo.count;
1127 if (len > sizeof(buf))
1129 qemu_fifo_read(&s->out_fifo, buf, len);
1130 qemu_chr_be_write(s->chr, buf, len);
1132 /* characters are pending: we send them a bit later (XXX:
1133 horrible, should change char device API) */
1134 if (s->out_fifo.count > 0) {
1135 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1139 /* called when an ascii key is pressed */
1140 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1142 uint8_t buf[16], *q;
1146 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1150 case QEMU_KEY_CTRL_UP:
1151 console_scroll(s, -1);
1153 case QEMU_KEY_CTRL_DOWN:
1154 console_scroll(s, 1);
1156 case QEMU_KEY_CTRL_PAGEUP:
1157 console_scroll(s, -10);
1159 case QEMU_KEY_CTRL_PAGEDOWN:
1160 console_scroll(s, 10);
1163 /* convert the QEMU keysym to VT100 key string */
1165 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1168 c = keysym - 0xe100;
1170 *q++ = '0' + (c / 10);
1171 *q++ = '0' + (c % 10);
1173 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1176 *q++ = keysym & 0xff;
1177 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1178 vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
1184 vc_chr_write(s->chr, buf, q - buf);
1187 if (be && be->chr_read) {
1188 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1195 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1196 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1197 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1198 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1199 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1200 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1201 [Q_KEY_CODE_END] = QEMU_KEY_END,
1202 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1203 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1204 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1205 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1208 static const int ctrl_qcode_to_keysym[Q_KEY_CODE__MAX] = {
1209 [Q_KEY_CODE_UP] = QEMU_KEY_CTRL_UP,
1210 [Q_KEY_CODE_DOWN] = QEMU_KEY_CTRL_DOWN,
1211 [Q_KEY_CODE_RIGHT] = QEMU_KEY_CTRL_RIGHT,
1212 [Q_KEY_CODE_LEFT] = QEMU_KEY_CTRL_LEFT,
1213 [Q_KEY_CODE_HOME] = QEMU_KEY_CTRL_HOME,
1214 [Q_KEY_CODE_END] = QEMU_KEY_CTRL_END,
1215 [Q_KEY_CODE_PGUP] = QEMU_KEY_CTRL_PAGEUP,
1216 [Q_KEY_CODE_PGDN] = QEMU_KEY_CTRL_PAGEDOWN,
1219 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl)
1223 keysym = ctrl ? ctrl_qcode_to_keysym[qcode] : qcode_to_keysym[qcode];
1227 kbd_put_keysym_console(s, keysym);
1231 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1235 for (i = 0; i < len && str[i]; i++) {
1236 kbd_put_keysym_console(s, str[i]);
1240 void kbd_put_keysym(int keysym)
1242 kbd_put_keysym_console(active_console, keysym);
1245 static void text_console_invalidate(void *opaque)
1247 QemuConsole *s = (QemuConsole *) opaque;
1249 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1250 text_console_resize(s);
1255 static void text_console_update(void *opaque, console_ch_t *chardata)
1257 QemuConsole *s = (QemuConsole *) opaque;
1260 if (s->text_x[0] <= s->text_x[1]) {
1261 src = (s->y_base + s->text_y[0]) * s->width;
1262 chardata += s->text_y[0] * s->width;
1263 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1264 for (j = 0; j < s->width; j++, src++) {
1265 console_write_ch(chardata ++,
1266 ATTR2CHTYPE(s->cells[src].ch,
1267 s->cells[src].t_attrib.fgcol,
1268 s->cells[src].t_attrib.bgcol,
1269 s->cells[src].t_attrib.bold));
1271 dpy_text_update(s, s->text_x[0], s->text_y[0],
1272 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1273 s->text_x[0] = s->width;
1274 s->text_y[0] = s->height;
1278 if (s->cursor_invalidate) {
1279 dpy_text_cursor(s, s->x, s->y);
1280 s->cursor_invalidate = 0;
1284 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1291 obj = object_new(TYPE_QEMU_CONSOLE);
1292 s = QEMU_CONSOLE(obj);
1294 object_property_add_link(obj, "device", TYPE_DEVICE,
1295 (Object **)&s->device,
1296 object_property_allow_set_link,
1297 OBJ_PROP_LINK_STRONG,
1299 object_property_add_uint32_ptr(obj, "head",
1300 &s->head, &error_abort);
1302 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1303 (console_type == GRAPHIC_CONSOLE))) {
1307 s->console_type = console_type;
1309 if (QTAILQ_EMPTY(&consoles)) {
1311 QTAILQ_INSERT_TAIL(&consoles, s, next);
1312 } else if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) {
1313 QemuConsole *last = QTAILQ_LAST(&consoles);
1314 s->index = last->index + 1;
1315 QTAILQ_INSERT_TAIL(&consoles, s, next);
1318 * HACK: Put graphical consoles before text consoles.
1320 * Only do that for coldplugged devices. After initial device
1321 * initialization we will not renumber the consoles any more.
1323 QemuConsole *c = QTAILQ_FIRST(&consoles);
1325 while (QTAILQ_NEXT(c, next) != NULL &&
1326 c->console_type == GRAPHIC_CONSOLE) {
1327 c = QTAILQ_NEXT(c, next);
1329 if (c->console_type == GRAPHIC_CONSOLE) {
1330 /* have no text consoles */
1331 s->index = c->index + 1;
1332 QTAILQ_INSERT_AFTER(&consoles, c, s, next);
1334 s->index = c->index;
1335 QTAILQ_INSERT_BEFORE(c, s, next);
1336 /* renumber text consoles */
1337 for (i = s->index + 1; c != NULL; c = QTAILQ_NEXT(c, next), i++) {
1345 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1347 qemu_pixman_image_unref(surface->image);
1348 surface->image = NULL;
1350 surface->format = PIXMAN_x8r8g8b8;
1351 surface->image = pixman_image_create_bits(surface->format,
1354 assert(surface->image != NULL);
1356 surface->flags = QEMU_ALLOCATED_FLAG;
1359 DisplaySurface *qemu_create_displaysurface(int width, int height)
1361 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1363 trace_displaysurface_create(surface, width, height);
1364 qemu_alloc_display(surface, width, height);
1368 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1369 pixman_format_code_t format,
1370 int linesize, uint8_t *data)
1372 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1374 trace_displaysurface_create_from(surface, width, height, format);
1375 surface->format = format;
1376 surface->image = pixman_image_create_bits(surface->format,
1378 (void *)data, linesize);
1379 assert(surface->image != NULL);
1384 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1386 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1388 trace_displaysurface_create_pixman(surface);
1389 surface->format = pixman_image_get_format(image);
1390 surface->image = pixman_image_ref(image);
1395 DisplaySurface *qemu_create_message_surface(int w, int h,
1398 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1399 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1400 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1401 pixman_image_t *glyph;
1405 x = (w / FONT_WIDTH - len) / 2;
1406 y = (h / FONT_HEIGHT - 1) / 2;
1407 for (i = 0; i < len; i++) {
1408 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1409 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1410 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1411 qemu_pixman_image_unref(glyph);
1416 void qemu_free_displaysurface(DisplaySurface *surface)
1418 if (surface == NULL) {
1421 trace_displaysurface_free(surface);
1422 qemu_pixman_image_unref(surface->image);
1426 bool console_has_gl(QemuConsole *con)
1428 return con->gl != NULL;
1431 bool console_has_gl_dmabuf(QemuConsole *con)
1433 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL;
1436 void register_displaychangelistener(DisplayChangeListener *dcl)
1438 static const char nodev[] =
1439 "This VM has no graphic display device.";
1440 static DisplaySurface *dummy;
1445 if (dcl->ops->dpy_gl_ctx_create) {
1446 /* display has opengl support */
1449 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1450 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1456 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1457 dcl->ds = get_alloc_displaystate();
1458 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1459 gui_setup_refresh(dcl->ds);
1464 con = active_console;
1466 if (dcl->ops->dpy_gfx_switch) {
1468 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1471 dummy = qemu_create_message_surface(640, 480, nodev);
1473 dcl->ops->dpy_gfx_switch(dcl, dummy);
1476 text_console_update_cursor(NULL);
1479 void update_displaychangelistener(DisplayChangeListener *dcl,
1482 DisplayState *ds = dcl->ds;
1484 dcl->update_interval = interval;
1485 if (!ds->refreshing && ds->update_interval > interval) {
1486 timer_mod(ds->gui_timer, ds->last_update + interval);
1490 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1492 DisplayState *ds = dcl->ds;
1493 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1497 QLIST_REMOVE(dcl, next);
1499 gui_setup_refresh(ds);
1502 static void dpy_set_ui_info_timer(void *opaque)
1504 QemuConsole *con = opaque;
1506 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1509 bool dpy_ui_info_supported(QemuConsole *con)
1511 return con->hw_ops->ui_info != NULL;
1514 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1516 assert(con != NULL);
1518 if (!dpy_ui_info_supported(con)) {
1521 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1522 /* nothing changed -- ignore */
1527 * Typically we get a flood of these as the user resizes the window.
1528 * Wait until the dust has settled (one second without updates), then
1529 * go notify the guest.
1531 con->ui_info = *info;
1532 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1536 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1538 DisplayState *s = con->ds;
1539 DisplayChangeListener *dcl;
1544 width = surface_width(con->surface);
1545 height = surface_height(con->surface);
1551 w = MIN(w, width - x);
1552 h = MIN(h, height - y);
1554 if (!qemu_console_is_visible(con)) {
1557 QLIST_FOREACH(dcl, &s->listeners, next) {
1558 if (con != (dcl->con ? dcl->con : active_console)) {
1561 if (dcl->ops->dpy_gfx_update) {
1562 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1567 void dpy_gfx_update_full(QemuConsole *con)
1569 if (!con->surface) {
1572 dpy_gfx_update(con, 0, 0,
1573 surface_width(con->surface),
1574 surface_height(con->surface));
1577 void dpy_gfx_replace_surface(QemuConsole *con,
1578 DisplaySurface *surface)
1580 DisplayState *s = con->ds;
1581 DisplaySurface *old_surface = con->surface;
1582 DisplayChangeListener *dcl;
1584 assert(old_surface != surface || surface == NULL);
1586 con->surface = surface;
1587 QLIST_FOREACH(dcl, &s->listeners, next) {
1588 if (con != (dcl->con ? dcl->con : active_console)) {
1591 if (dcl->ops->dpy_gfx_switch) {
1592 dcl->ops->dpy_gfx_switch(dcl, surface);
1595 qemu_free_displaysurface(old_surface);
1598 bool dpy_gfx_check_format(QemuConsole *con,
1599 pixman_format_code_t format)
1601 DisplayChangeListener *dcl;
1602 DisplayState *s = con->ds;
1604 QLIST_FOREACH(dcl, &s->listeners, next) {
1605 if (dcl->con && dcl->con != con) {
1606 /* dcl bound to another console -> skip */
1609 if (dcl->ops->dpy_gfx_check_format) {
1610 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1614 /* default is to whitelist native 32 bpp only */
1615 if (format != qemu_default_pixman_format(32, true)) {
1623 static void dpy_refresh(DisplayState *s)
1625 DisplayChangeListener *dcl;
1627 QLIST_FOREACH(dcl, &s->listeners, next) {
1628 if (dcl->ops->dpy_refresh) {
1629 dcl->ops->dpy_refresh(dcl);
1634 void dpy_text_cursor(QemuConsole *con, int x, int y)
1636 DisplayState *s = con->ds;
1637 DisplayChangeListener *dcl;
1639 if (!qemu_console_is_visible(con)) {
1642 QLIST_FOREACH(dcl, &s->listeners, next) {
1643 if (con != (dcl->con ? dcl->con : active_console)) {
1646 if (dcl->ops->dpy_text_cursor) {
1647 dcl->ops->dpy_text_cursor(dcl, x, y);
1652 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1654 DisplayState *s = con->ds;
1655 DisplayChangeListener *dcl;
1657 if (!qemu_console_is_visible(con)) {
1660 QLIST_FOREACH(dcl, &s->listeners, next) {
1661 if (con != (dcl->con ? dcl->con : active_console)) {
1664 if (dcl->ops->dpy_text_update) {
1665 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1670 void dpy_text_resize(QemuConsole *con, int w, int h)
1672 DisplayState *s = con->ds;
1673 DisplayChangeListener *dcl;
1675 if (!qemu_console_is_visible(con)) {
1678 QLIST_FOREACH(dcl, &s->listeners, next) {
1679 if (con != (dcl->con ? dcl->con : active_console)) {
1682 if (dcl->ops->dpy_text_resize) {
1683 dcl->ops->dpy_text_resize(dcl, w, h);
1688 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1690 DisplayState *s = con->ds;
1691 DisplayChangeListener *dcl;
1693 if (!qemu_console_is_visible(con)) {
1696 QLIST_FOREACH(dcl, &s->listeners, next) {
1697 if (con != (dcl->con ? dcl->con : active_console)) {
1700 if (dcl->ops->dpy_mouse_set) {
1701 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1706 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1708 DisplayState *s = con->ds;
1709 DisplayChangeListener *dcl;
1711 if (!qemu_console_is_visible(con)) {
1714 QLIST_FOREACH(dcl, &s->listeners, next) {
1715 if (con != (dcl->con ? dcl->con : active_console)) {
1718 if (dcl->ops->dpy_cursor_define) {
1719 dcl->ops->dpy_cursor_define(dcl, cursor);
1724 bool dpy_cursor_define_supported(QemuConsole *con)
1726 DisplayState *s = con->ds;
1727 DisplayChangeListener *dcl;
1729 QLIST_FOREACH(dcl, &s->listeners, next) {
1730 if (dcl->ops->dpy_cursor_define) {
1737 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1738 struct QEMUGLParams *qparams)
1741 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1744 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1747 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1750 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1753 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1756 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1759 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1762 void dpy_gl_scanout_disable(QemuConsole *con)
1765 if (con->gl->ops->dpy_gl_scanout_disable) {
1766 con->gl->ops->dpy_gl_scanout_disable(con->gl);
1768 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0,
1773 void dpy_gl_scanout_texture(QemuConsole *con,
1774 uint32_t backing_id,
1775 bool backing_y_0_top,
1776 uint32_t backing_width,
1777 uint32_t backing_height,
1778 uint32_t x, uint32_t y,
1779 uint32_t width, uint32_t height)
1782 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id,
1784 backing_width, backing_height,
1785 x, y, width, height);
1788 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1792 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf);
1795 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
1796 bool have_hot, uint32_t hot_x, uint32_t hot_y)
1800 if (con->gl->ops->dpy_gl_cursor_dmabuf) {
1801 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf,
1802 have_hot, hot_x, hot_y);
1806 void dpy_gl_cursor_position(QemuConsole *con,
1807 uint32_t pos_x, uint32_t pos_y)
1811 if (con->gl->ops->dpy_gl_cursor_position) {
1812 con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y);
1816 void dpy_gl_release_dmabuf(QemuConsole *con,
1821 if (con->gl->ops->dpy_gl_release_dmabuf) {
1822 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf);
1826 void dpy_gl_update(QemuConsole *con,
1827 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1830 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1833 /***********************************************************/
1834 /* register display */
1836 /* console.c internal use only */
1837 static DisplayState *get_alloc_displaystate(void)
1839 if (!display_state) {
1840 display_state = g_new0(DisplayState, 1);
1841 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1842 text_console_update_cursor, NULL);
1844 return display_state;
1848 * Called by main(), after creating QemuConsoles
1849 * and before initializing ui (sdl/vnc/...).
1851 DisplayState *init_displaystate(void)
1856 get_alloc_displaystate();
1857 QTAILQ_FOREACH(con, &consoles, next) {
1858 if (con->console_type != GRAPHIC_CONSOLE &&
1860 text_console_do_init(con->chr, display_state);
1863 /* Hook up into the qom tree here (not in new_console()), once
1864 * all QemuConsoles are created and the order / numbering
1865 * doesn't change any more */
1866 name = g_strdup_printf("console[%d]", con->index);
1867 object_property_add_child(container_get(object_get_root(), "/backend"),
1868 name, OBJECT(con), &error_abort);
1872 return display_state;
1875 void graphic_console_set_hwops(QemuConsole *con,
1876 const GraphicHwOps *hw_ops,
1879 con->hw_ops = hw_ops;
1883 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1884 const GraphicHwOps *hw_ops,
1887 static const char noinit[] =
1888 "Guest has not initialized the display (yet).";
1893 DisplaySurface *surface;
1895 ds = get_alloc_displaystate();
1896 s = qemu_console_lookup_unused();
1898 trace_console_gfx_reuse(s->index);
1900 width = surface_width(s->surface);
1901 height = surface_height(s->surface);
1904 trace_console_gfx_new();
1905 s = new_console(ds, GRAPHIC_CONSOLE, head);
1906 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1907 dpy_set_ui_info_timer, s);
1909 graphic_console_set_hwops(s, hw_ops, opaque);
1911 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1915 surface = qemu_create_message_surface(width, height, noinit);
1916 dpy_gfx_replace_surface(s, surface);
1920 static const GraphicHwOps unused_ops = {
1924 void graphic_console_close(QemuConsole *con)
1926 static const char unplugged[] =
1927 "Guest display has been unplugged";
1928 DisplaySurface *surface;
1933 width = surface_width(con->surface);
1934 height = surface_height(con->surface);
1937 trace_console_gfx_close(con->index);
1938 object_property_set_link(OBJECT(con), NULL, "device", &error_abort);
1939 graphic_console_set_hwops(con, &unused_ops, NULL);
1942 dpy_gl_scanout_disable(con);
1944 surface = qemu_create_message_surface(width, height, unplugged);
1945 dpy_gfx_replace_surface(con, surface);
1948 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1952 QTAILQ_FOREACH(con, &consoles, next) {
1953 if (con->index == index) {
1960 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1966 QTAILQ_FOREACH(con, &consoles, next) {
1967 obj = object_property_get_link(OBJECT(con),
1968 "device", &error_abort);
1969 if (DEVICE(obj) != dev) {
1972 h = object_property_get_uint(OBJECT(con),
1973 "head", &error_abort);
1982 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
1983 uint32_t head, Error **errp)
1988 dev = qdev_find_recursive(sysbus_get_default(), device_id);
1990 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
1991 "Device '%s' not found", device_id);
1995 con = qemu_console_lookup_by_device(dev, head);
1997 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
2005 QemuConsole *qemu_console_lookup_unused(void)
2010 QTAILQ_FOREACH(con, &consoles, next) {
2011 if (con->hw_ops != &unused_ops) {
2014 obj = object_property_get_link(OBJECT(con),
2015 "device", &error_abort);
2024 bool qemu_console_is_visible(QemuConsole *con)
2026 return (con == active_console) || (con->dcls > 0);
2029 bool qemu_console_is_graphic(QemuConsole *con)
2032 con = active_console;
2034 return con && (con->console_type == GRAPHIC_CONSOLE);
2037 bool qemu_console_is_fixedsize(QemuConsole *con)
2040 con = active_console;
2042 return con && (con->console_type != TEXT_CONSOLE);
2045 bool qemu_console_is_gl_blocked(QemuConsole *con)
2047 assert(con != NULL);
2048 return con->gl_block;
2051 char *qemu_console_get_label(QemuConsole *con)
2053 if (con->console_type == GRAPHIC_CONSOLE) {
2055 return g_strdup(object_get_typename(con->device));
2057 return g_strdup("VGA");
2059 if (con->chr && con->chr->label) {
2060 return g_strdup(con->chr->label);
2062 return g_strdup_printf("vc%d", con->index);
2066 int qemu_console_get_index(QemuConsole *con)
2069 con = active_console;
2071 return con ? con->index : -1;
2074 uint32_t qemu_console_get_head(QemuConsole *con)
2077 con = active_console;
2079 return con ? con->head : -1;
2082 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
2084 assert(con != NULL);
2085 return &con->ui_info;
2088 int qemu_console_get_width(QemuConsole *con, int fallback)
2091 con = active_console;
2093 return con ? surface_width(con->surface) : fallback;
2096 int qemu_console_get_height(QemuConsole *con, int fallback)
2099 con = active_console;
2101 return con ? surface_height(con->surface) : fallback;
2104 static void vc_chr_set_echo(Chardev *chr, bool echo)
2106 VCChardev *drv = VC_CHARDEV(chr);
2107 QemuConsole *s = drv->console;
2112 static void text_console_update_cursor_timer(void)
2114 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
2115 + CONSOLE_CURSOR_PERIOD / 2);
2118 static void text_console_update_cursor(void *opaque)
2123 cursor_visible_phase = !cursor_visible_phase;
2125 QTAILQ_FOREACH(s, &consoles, next) {
2126 if (qemu_console_is_graphic(s) ||
2127 !qemu_console_is_visible(s)) {
2131 graphic_hw_invalidate(s);
2135 text_console_update_cursor_timer();
2139 static const GraphicHwOps text_console_ops = {
2140 .invalidate = text_console_invalidate,
2141 .text_update = text_console_update,
2144 static void text_console_do_init(Chardev *chr, DisplayState *ds)
2146 VCChardev *drv = VC_CHARDEV(chr);
2147 QemuConsole *s = drv->console;
2148 int g_width = 80 * FONT_WIDTH;
2149 int g_height = 24 * FONT_HEIGHT;
2151 s->out_fifo.buf = s->out_fifo_buf;
2152 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
2153 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
2158 s->total_height = DEFAULT_BACKSCROLL;
2162 if (active_console && active_console->surface) {
2163 g_width = surface_width(active_console->surface);
2164 g_height = surface_height(active_console->surface);
2166 s->surface = qemu_create_displaysurface(g_width, g_height);
2169 s->hw_ops = &text_console_ops;
2172 /* Set text attribute defaults */
2173 s->t_attrib_default.bold = 0;
2174 s->t_attrib_default.uline = 0;
2175 s->t_attrib_default.blink = 0;
2176 s->t_attrib_default.invers = 0;
2177 s->t_attrib_default.unvisible = 0;
2178 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2179 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2180 /* set current text attributes to default */
2181 s->t_attrib = s->t_attrib_default;
2182 text_console_resize(s);
2188 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2189 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
2190 vc_chr_write(chr, (uint8_t *)msg, len);
2191 s->t_attrib = s->t_attrib_default;
2194 qemu_chr_be_event(chr, CHR_EVENT_OPENED);
2197 static void vc_chr_open(Chardev *chr,
2198 ChardevBackend *backend,
2202 ChardevVC *vc = backend->u.vc.data;
2203 VCChardev *drv = VC_CHARDEV(chr);
2206 unsigned height = 0;
2208 if (vc->has_width) {
2210 } else if (vc->has_cols) {
2211 width = vc->cols * FONT_WIDTH;
2214 if (vc->has_height) {
2215 height = vc->height;
2216 } else if (vc->has_rows) {
2217 height = vc->rows * FONT_HEIGHT;
2220 trace_console_txt_new(width, height);
2221 if (width == 0 || height == 0) {
2222 s = new_console(NULL, TEXT_CONSOLE, 0);
2224 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2225 s->surface = qemu_create_displaysurface(width, height);
2229 error_setg(errp, "cannot create text console");
2236 if (display_state) {
2237 text_console_do_init(chr, display_state);
2240 /* console/chardev init sometimes completes elsewhere in a 2nd
2241 * stage, so defer OPENED events until they are fully initialized
2246 void qemu_console_resize(QemuConsole *s, int width, int height)
2248 DisplaySurface *surface;
2250 assert(s->console_type == GRAPHIC_CONSOLE);
2252 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) &&
2253 pixman_image_get_width(s->surface->image) == width &&
2254 pixman_image_get_height(s->surface->image) == height) {
2258 surface = qemu_create_displaysurface(width, height);
2259 dpy_gfx_replace_surface(s, surface);
2262 DisplaySurface *qemu_console_surface(QemuConsole *console)
2264 return console->surface;
2267 PixelFormat qemu_default_pixelformat(int bpp)
2269 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2270 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2274 static QemuDisplay *dpys[DISPLAY_TYPE__MAX];
2276 void qemu_display_register(QemuDisplay *ui)
2278 assert(ui->type < DISPLAY_TYPE__MAX);
2279 dpys[ui->type] = ui;
2282 bool qemu_display_find_default(DisplayOptions *opts)
2284 static DisplayType prio[] = {
2291 for (i = 0; i < ARRAY_SIZE(prio); i++) {
2292 if (dpys[prio[i]] == NULL) {
2293 ui_module_load_one(DisplayType_str(prio[i]));
2295 if (dpys[prio[i]] == NULL) {
2298 opts->type = prio[i];
2304 void qemu_display_early_init(DisplayOptions *opts)
2306 assert(opts->type < DISPLAY_TYPE__MAX);
2307 if (opts->type == DISPLAY_TYPE_NONE) {
2310 if (dpys[opts->type] == NULL) {
2311 ui_module_load_one(DisplayType_str(opts->type));
2313 if (dpys[opts->type] == NULL) {
2314 error_report("Display '%s' is not available.",
2315 DisplayType_str(opts->type));
2318 if (dpys[opts->type]->early_init) {
2319 dpys[opts->type]->early_init(opts);
2323 void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
2325 assert(opts->type < DISPLAY_TYPE__MAX);
2326 if (opts->type == DISPLAY_TYPE_NONE) {
2329 assert(dpys[opts->type] != NULL);
2330 dpys[opts->type]->init(ds, opts);
2333 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
2338 backend->type = CHARDEV_BACKEND_KIND_VC;
2339 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2340 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2342 val = qemu_opt_get_number(opts, "width", 0);
2344 vc->has_width = true;
2348 val = qemu_opt_get_number(opts, "height", 0);
2350 vc->has_height = true;
2354 val = qemu_opt_get_number(opts, "cols", 0);
2356 vc->has_cols = true;
2360 val = qemu_opt_get_number(opts, "rows", 0);
2362 vc->has_rows = true;
2367 static const TypeInfo qemu_console_info = {
2368 .name = TYPE_QEMU_CONSOLE,
2369 .parent = TYPE_OBJECT,
2370 .instance_size = sizeof(QemuConsole),
2371 .class_size = sizeof(QemuConsoleClass),
2374 static void char_vc_class_init(ObjectClass *oc, void *data)
2376 ChardevClass *cc = CHARDEV_CLASS(oc);
2378 cc->parse = qemu_chr_parse_vc;
2379 cc->open = vc_chr_open;
2380 cc->chr_write = vc_chr_write;
2381 cc->chr_set_echo = vc_chr_set_echo;
2384 static const TypeInfo char_vc_type_info = {
2385 .name = TYPE_CHARDEV_VC,
2386 .parent = TYPE_CHARDEV,
2387 .instance_size = sizeof(VCChardev),
2388 .class_init = char_vc_class_init,
2391 void qemu_console_early_init(void)
2393 /* set the default vc driver */
2394 if (!object_class_by_name(TYPE_CHARDEV_VC)) {
2395 type_register(&char_vc_type_info);
2399 static void register_types(void)
2401 type_register_static(&qemu_console_info);
2404 type_init(register_types);