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[mirror_qemu.git] / ui / console.c
1 /*
2 * QEMU graphical console
3 *
4 * Copyright (c) 2004 Fabrice Bellard
5 *
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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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
22 * THE SOFTWARE.
23 */
24
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/option.h"
31 #include "qemu/timer.h"
32 #include "chardev/char-fe.h"
33 #include "trace.h"
34 #include "exec/memory.h"
35
36 #define DEFAULT_BACKSCROLL 512
37 #define CONSOLE_CURSOR_PERIOD 500
38
39 typedef struct TextAttributes {
40 uint8_t fgcol:4;
41 uint8_t bgcol:4;
42 uint8_t bold:1;
43 uint8_t uline:1;
44 uint8_t blink:1;
45 uint8_t invers:1;
46 uint8_t unvisible:1;
47 } TextAttributes;
48
49 typedef struct TextCell {
50 uint8_t ch;
51 TextAttributes t_attrib;
52 } TextCell;
53
54 #define MAX_ESC_PARAMS 3
55
56 enum TTYState {
57 TTY_STATE_NORM,
58 TTY_STATE_ESC,
59 TTY_STATE_CSI,
60 };
61
62 typedef struct QEMUFIFO {
63 uint8_t *buf;
64 int buf_size;
65 int count, wptr, rptr;
66 } QEMUFIFO;
67
68 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
69 {
70 int l, len;
71
72 l = f->buf_size - f->count;
73 if (len1 > l)
74 len1 = l;
75 len = len1;
76 while (len > 0) {
77 l = f->buf_size - f->wptr;
78 if (l > len)
79 l = len;
80 memcpy(f->buf + f->wptr, buf, l);
81 f->wptr += l;
82 if (f->wptr >= f->buf_size)
83 f->wptr = 0;
84 buf += l;
85 len -= l;
86 }
87 f->count += len1;
88 return len1;
89 }
90
91 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
92 {
93 int l, len;
94
95 if (len1 > f->count)
96 len1 = f->count;
97 len = len1;
98 while (len > 0) {
99 l = f->buf_size - f->rptr;
100 if (l > len)
101 l = len;
102 memcpy(buf, f->buf + f->rptr, l);
103 f->rptr += l;
104 if (f->rptr >= f->buf_size)
105 f->rptr = 0;
106 buf += l;
107 len -= l;
108 }
109 f->count -= len1;
110 return len1;
111 }
112
113 typedef enum {
114 GRAPHIC_CONSOLE,
115 TEXT_CONSOLE,
116 TEXT_CONSOLE_FIXED_SIZE
117 } console_type_t;
118
119 struct QemuConsole {
120 Object parent;
121
122 int index;
123 console_type_t console_type;
124 DisplayState *ds;
125 DisplaySurface *surface;
126 int dcls;
127 DisplayChangeListener *gl;
128 bool gl_block;
129 int window_id;
130
131 /* Graphic console state. */
132 Object *device;
133 uint32_t head;
134 QemuUIInfo ui_info;
135 QEMUTimer *ui_timer;
136 const GraphicHwOps *hw_ops;
137 void *hw;
138
139 /* Text console state */
140 int width;
141 int height;
142 int total_height;
143 int backscroll_height;
144 int x, y;
145 int x_saved, y_saved;
146 int y_displayed;
147 int y_base;
148 TextAttributes t_attrib_default; /* default text attributes */
149 TextAttributes t_attrib; /* currently active text attributes */
150 TextCell *cells;
151 int text_x[2], text_y[2], cursor_invalidate;
152 int echo;
153
154 int update_x0;
155 int update_y0;
156 int update_x1;
157 int update_y1;
158
159 enum TTYState state;
160 int esc_params[MAX_ESC_PARAMS];
161 int nb_esc_params;
162
163 Chardev *chr;
164 /* fifo for key pressed */
165 QEMUFIFO out_fifo;
166 uint8_t out_fifo_buf[16];
167 QEMUTimer *kbd_timer;
168 };
169
170 struct DisplayState {
171 QEMUTimer *gui_timer;
172 uint64_t last_update;
173 uint64_t update_interval;
174 bool refreshing;
175 bool have_gfx;
176 bool have_text;
177
178 QLIST_HEAD(, DisplayChangeListener) listeners;
179 };
180
181 static DisplayState *display_state;
182 static QemuConsole *active_console;
183 static QemuConsole **consoles;
184 static int nb_consoles = 0;
185 static bool cursor_visible_phase;
186 static QEMUTimer *cursor_timer;
187
188 static void text_console_do_init(Chardev *chr, DisplayState *ds);
189 static void dpy_refresh(DisplayState *s);
190 static DisplayState *get_alloc_displaystate(void);
191 static void text_console_update_cursor_timer(void);
192 static void text_console_update_cursor(void *opaque);
193
194 static void gui_update(void *opaque)
195 {
196 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
197 uint64_t dcl_interval;
198 DisplayState *ds = opaque;
199 DisplayChangeListener *dcl;
200 int i;
201
202 ds->refreshing = true;
203 dpy_refresh(ds);
204 ds->refreshing = false;
205
206 QLIST_FOREACH(dcl, &ds->listeners, next) {
207 dcl_interval = dcl->update_interval ?
208 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
209 if (interval > dcl_interval) {
210 interval = dcl_interval;
211 }
212 }
213 if (ds->update_interval != interval) {
214 ds->update_interval = interval;
215 for (i = 0; i < nb_consoles; i++) {
216 if (consoles[i]->hw_ops->update_interval) {
217 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
218 }
219 }
220 trace_console_refresh(interval);
221 }
222 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
223 timer_mod(ds->gui_timer, ds->last_update + interval);
224 }
225
226 static void gui_setup_refresh(DisplayState *ds)
227 {
228 DisplayChangeListener *dcl;
229 bool need_timer = false;
230 bool have_gfx = false;
231 bool have_text = false;
232
233 QLIST_FOREACH(dcl, &ds->listeners, next) {
234 if (dcl->ops->dpy_refresh != NULL) {
235 need_timer = true;
236 }
237 if (dcl->ops->dpy_gfx_update != NULL) {
238 have_gfx = true;
239 }
240 if (dcl->ops->dpy_text_update != NULL) {
241 have_text = true;
242 }
243 }
244
245 if (need_timer && ds->gui_timer == NULL) {
246 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
247 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
248 }
249 if (!need_timer && ds->gui_timer != NULL) {
250 timer_del(ds->gui_timer);
251 timer_free(ds->gui_timer);
252 ds->gui_timer = NULL;
253 }
254
255 ds->have_gfx = have_gfx;
256 ds->have_text = have_text;
257 }
258
259 void graphic_hw_update(QemuConsole *con)
260 {
261 if (!con) {
262 con = active_console;
263 }
264 if (con && con->hw_ops->gfx_update) {
265 con->hw_ops->gfx_update(con->hw);
266 }
267 }
268
269 void graphic_hw_gl_block(QemuConsole *con, bool block)
270 {
271 assert(con != NULL);
272
273 con->gl_block = block;
274 if (con->hw_ops->gl_block) {
275 con->hw_ops->gl_block(con->hw, block);
276 }
277 }
278
279 int qemu_console_get_window_id(QemuConsole *con)
280 {
281 return con->window_id;
282 }
283
284 void qemu_console_set_window_id(QemuConsole *con, int window_id)
285 {
286 con->window_id = window_id;
287 }
288
289 void graphic_hw_invalidate(QemuConsole *con)
290 {
291 if (!con) {
292 con = active_console;
293 }
294 if (con && con->hw_ops->invalidate) {
295 con->hw_ops->invalidate(con->hw);
296 }
297 }
298
299 static void ppm_save(const char *filename, DisplaySurface *ds,
300 Error **errp)
301 {
302 int width = pixman_image_get_width(ds->image);
303 int height = pixman_image_get_height(ds->image);
304 int fd;
305 FILE *f;
306 int y;
307 int ret;
308 pixman_image_t *linebuf;
309
310 trace_ppm_save(filename, ds);
311 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
312 if (fd == -1) {
313 error_setg(errp, "failed to open file '%s': %s", filename,
314 strerror(errno));
315 return;
316 }
317 f = fdopen(fd, "wb");
318 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
319 if (ret < 0) {
320 linebuf = NULL;
321 goto write_err;
322 }
323 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
324 for (y = 0; y < height; y++) {
325 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
326 clearerr(f);
327 ret = fwrite(pixman_image_get_data(linebuf), 1,
328 pixman_image_get_stride(linebuf), f);
329 (void)ret;
330 if (ferror(f)) {
331 goto write_err;
332 }
333 }
334
335 out:
336 qemu_pixman_image_unref(linebuf);
337 fclose(f);
338 return;
339
340 write_err:
341 error_setg(errp, "failed to write to file '%s': %s", filename,
342 strerror(errno));
343 unlink(filename);
344 goto out;
345 }
346
347 void qmp_screendump(const char *filename, Error **errp)
348 {
349 QemuConsole *con = qemu_console_lookup_by_index(0);
350 DisplaySurface *surface;
351
352 if (con == NULL) {
353 error_setg(errp, "There is no QemuConsole I can screendump from.");
354 return;
355 }
356
357 graphic_hw_update(con);
358 surface = qemu_console_surface(con);
359 ppm_save(filename, surface, errp);
360 }
361
362 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
363 {
364 if (!con) {
365 con = active_console;
366 }
367 if (con && con->hw_ops->text_update) {
368 con->hw_ops->text_update(con->hw, chardata);
369 }
370 }
371
372 static void vga_fill_rect(QemuConsole *con,
373 int posx, int posy, int width, int height,
374 pixman_color_t color)
375 {
376 DisplaySurface *surface = qemu_console_surface(con);
377 pixman_rectangle16_t rect = {
378 .x = posx, .y = posy, .width = width, .height = height
379 };
380
381 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
382 &color, 1, &rect);
383 }
384
385 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
386 static void vga_bitblt(QemuConsole *con,
387 int xs, int ys, int xd, int yd, int w, int h)
388 {
389 DisplaySurface *surface = qemu_console_surface(con);
390
391 pixman_image_composite(PIXMAN_OP_SRC,
392 surface->image, NULL, surface->image,
393 xs, ys, 0, 0, xd, yd, w, h);
394 }
395
396 /***********************************************************/
397 /* basic char display */
398
399 #define FONT_HEIGHT 16
400 #define FONT_WIDTH 8
401
402 #include "vgafont.h"
403
404 #define QEMU_RGB(r, g, b) \
405 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
406
407 static const pixman_color_t color_table_rgb[2][8] = {
408 { /* dark */
409 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
410 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
411 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
412 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
413 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
414 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
415 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
416 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
417 },
418 { /* bright */
419 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
420 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
421 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
422 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
423 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
424 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
425 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
426 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
427 }
428 };
429
430 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
431 TextAttributes *t_attrib)
432 {
433 static pixman_image_t *glyphs[256];
434 DisplaySurface *surface = qemu_console_surface(s);
435 pixman_color_t fgcol, bgcol;
436
437 if (t_attrib->invers) {
438 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
439 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
440 } else {
441 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
442 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
443 }
444
445 if (!glyphs[ch]) {
446 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
447 }
448 qemu_pixman_glyph_render(glyphs[ch], surface->image,
449 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
450 }
451
452 static void text_console_resize(QemuConsole *s)
453 {
454 TextCell *cells, *c, *c1;
455 int w1, x, y, last_width;
456
457 last_width = s->width;
458 s->width = surface_width(s->surface) / FONT_WIDTH;
459 s->height = surface_height(s->surface) / FONT_HEIGHT;
460
461 w1 = last_width;
462 if (s->width < w1)
463 w1 = s->width;
464
465 cells = g_new(TextCell, s->width * s->total_height);
466 for(y = 0; y < s->total_height; y++) {
467 c = &cells[y * s->width];
468 if (w1 > 0) {
469 c1 = &s->cells[y * last_width];
470 for(x = 0; x < w1; x++) {
471 *c++ = *c1++;
472 }
473 }
474 for(x = w1; x < s->width; x++) {
475 c->ch = ' ';
476 c->t_attrib = s->t_attrib_default;
477 c++;
478 }
479 }
480 g_free(s->cells);
481 s->cells = cells;
482 }
483
484 static inline void text_update_xy(QemuConsole *s, int x, int y)
485 {
486 s->text_x[0] = MIN(s->text_x[0], x);
487 s->text_x[1] = MAX(s->text_x[1], x);
488 s->text_y[0] = MIN(s->text_y[0], y);
489 s->text_y[1] = MAX(s->text_y[1], y);
490 }
491
492 static void invalidate_xy(QemuConsole *s, int x, int y)
493 {
494 if (!qemu_console_is_visible(s)) {
495 return;
496 }
497 if (s->update_x0 > x * FONT_WIDTH)
498 s->update_x0 = x * FONT_WIDTH;
499 if (s->update_y0 > y * FONT_HEIGHT)
500 s->update_y0 = y * FONT_HEIGHT;
501 if (s->update_x1 < (x + 1) * FONT_WIDTH)
502 s->update_x1 = (x + 1) * FONT_WIDTH;
503 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
504 s->update_y1 = (y + 1) * FONT_HEIGHT;
505 }
506
507 static void update_xy(QemuConsole *s, int x, int y)
508 {
509 TextCell *c;
510 int y1, y2;
511
512 if (s->ds->have_text) {
513 text_update_xy(s, x, y);
514 }
515
516 y1 = (s->y_base + y) % s->total_height;
517 y2 = y1 - s->y_displayed;
518 if (y2 < 0) {
519 y2 += s->total_height;
520 }
521 if (y2 < s->height) {
522 c = &s->cells[y1 * s->width + x];
523 vga_putcharxy(s, x, y2, c->ch,
524 &(c->t_attrib));
525 invalidate_xy(s, x, y2);
526 }
527 }
528
529 static void console_show_cursor(QemuConsole *s, int show)
530 {
531 TextCell *c;
532 int y, y1;
533 int x = s->x;
534
535 if (s->ds->have_text) {
536 s->cursor_invalidate = 1;
537 }
538
539 if (x >= s->width) {
540 x = s->width - 1;
541 }
542 y1 = (s->y_base + s->y) % s->total_height;
543 y = y1 - s->y_displayed;
544 if (y < 0) {
545 y += s->total_height;
546 }
547 if (y < s->height) {
548 c = &s->cells[y1 * s->width + x];
549 if (show && cursor_visible_phase) {
550 TextAttributes t_attrib = s->t_attrib_default;
551 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
552 vga_putcharxy(s, x, y, c->ch, &t_attrib);
553 } else {
554 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
555 }
556 invalidate_xy(s, x, y);
557 }
558 }
559
560 static void console_refresh(QemuConsole *s)
561 {
562 DisplaySurface *surface = qemu_console_surface(s);
563 TextCell *c;
564 int x, y, y1;
565
566 if (s->ds->have_text) {
567 s->text_x[0] = 0;
568 s->text_y[0] = 0;
569 s->text_x[1] = s->width - 1;
570 s->text_y[1] = s->height - 1;
571 s->cursor_invalidate = 1;
572 }
573
574 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
575 color_table_rgb[0][QEMU_COLOR_BLACK]);
576 y1 = s->y_displayed;
577 for (y = 0; y < s->height; y++) {
578 c = s->cells + y1 * s->width;
579 for (x = 0; x < s->width; x++) {
580 vga_putcharxy(s, x, y, c->ch,
581 &(c->t_attrib));
582 c++;
583 }
584 if (++y1 == s->total_height) {
585 y1 = 0;
586 }
587 }
588 console_show_cursor(s, 1);
589 dpy_gfx_update(s, 0, 0,
590 surface_width(surface), surface_height(surface));
591 }
592
593 static void console_scroll(QemuConsole *s, int ydelta)
594 {
595 int i, y1;
596
597 if (ydelta > 0) {
598 for(i = 0; i < ydelta; i++) {
599 if (s->y_displayed == s->y_base)
600 break;
601 if (++s->y_displayed == s->total_height)
602 s->y_displayed = 0;
603 }
604 } else {
605 ydelta = -ydelta;
606 i = s->backscroll_height;
607 if (i > s->total_height - s->height)
608 i = s->total_height - s->height;
609 y1 = s->y_base - i;
610 if (y1 < 0)
611 y1 += s->total_height;
612 for(i = 0; i < ydelta; i++) {
613 if (s->y_displayed == y1)
614 break;
615 if (--s->y_displayed < 0)
616 s->y_displayed = s->total_height - 1;
617 }
618 }
619 console_refresh(s);
620 }
621
622 static void console_put_lf(QemuConsole *s)
623 {
624 TextCell *c;
625 int x, y1;
626
627 s->y++;
628 if (s->y >= s->height) {
629 s->y = s->height - 1;
630
631 if (s->y_displayed == s->y_base) {
632 if (++s->y_displayed == s->total_height)
633 s->y_displayed = 0;
634 }
635 if (++s->y_base == s->total_height)
636 s->y_base = 0;
637 if (s->backscroll_height < s->total_height)
638 s->backscroll_height++;
639 y1 = (s->y_base + s->height - 1) % s->total_height;
640 c = &s->cells[y1 * s->width];
641 for(x = 0; x < s->width; x++) {
642 c->ch = ' ';
643 c->t_attrib = s->t_attrib_default;
644 c++;
645 }
646 if (s->y_displayed == s->y_base) {
647 if (s->ds->have_text) {
648 s->text_x[0] = 0;
649 s->text_y[0] = 0;
650 s->text_x[1] = s->width - 1;
651 s->text_y[1] = s->height - 1;
652 }
653
654 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
655 s->width * FONT_WIDTH,
656 (s->height - 1) * FONT_HEIGHT);
657 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
658 s->width * FONT_WIDTH, FONT_HEIGHT,
659 color_table_rgb[0][s->t_attrib_default.bgcol]);
660 s->update_x0 = 0;
661 s->update_y0 = 0;
662 s->update_x1 = s->width * FONT_WIDTH;
663 s->update_y1 = s->height * FONT_HEIGHT;
664 }
665 }
666 }
667
668 /* Set console attributes depending on the current escape codes.
669 * NOTE: I know this code is not very efficient (checking every color for it
670 * self) but it is more readable and better maintainable.
671 */
672 static void console_handle_escape(QemuConsole *s)
673 {
674 int i;
675
676 for (i=0; i<s->nb_esc_params; i++) {
677 switch (s->esc_params[i]) {
678 case 0: /* reset all console attributes to default */
679 s->t_attrib = s->t_attrib_default;
680 break;
681 case 1:
682 s->t_attrib.bold = 1;
683 break;
684 case 4:
685 s->t_attrib.uline = 1;
686 break;
687 case 5:
688 s->t_attrib.blink = 1;
689 break;
690 case 7:
691 s->t_attrib.invers = 1;
692 break;
693 case 8:
694 s->t_attrib.unvisible = 1;
695 break;
696 case 22:
697 s->t_attrib.bold = 0;
698 break;
699 case 24:
700 s->t_attrib.uline = 0;
701 break;
702 case 25:
703 s->t_attrib.blink = 0;
704 break;
705 case 27:
706 s->t_attrib.invers = 0;
707 break;
708 case 28:
709 s->t_attrib.unvisible = 0;
710 break;
711 /* set foreground color */
712 case 30:
713 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
714 break;
715 case 31:
716 s->t_attrib.fgcol = QEMU_COLOR_RED;
717 break;
718 case 32:
719 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
720 break;
721 case 33:
722 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
723 break;
724 case 34:
725 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
726 break;
727 case 35:
728 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
729 break;
730 case 36:
731 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
732 break;
733 case 37:
734 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
735 break;
736 /* set background color */
737 case 40:
738 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
739 break;
740 case 41:
741 s->t_attrib.bgcol = QEMU_COLOR_RED;
742 break;
743 case 42:
744 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
745 break;
746 case 43:
747 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
748 break;
749 case 44:
750 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
751 break;
752 case 45:
753 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
754 break;
755 case 46:
756 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
757 break;
758 case 47:
759 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
760 break;
761 }
762 }
763 }
764
765 static void console_clear_xy(QemuConsole *s, int x, int y)
766 {
767 int y1 = (s->y_base + y) % s->total_height;
768 TextCell *c = &s->cells[y1 * s->width + x];
769 c->ch = ' ';
770 c->t_attrib = s->t_attrib_default;
771 update_xy(s, x, y);
772 }
773
774 static void console_put_one(QemuConsole *s, int ch)
775 {
776 TextCell *c;
777 int y1;
778 if (s->x >= s->width) {
779 /* line wrap */
780 s->x = 0;
781 console_put_lf(s);
782 }
783 y1 = (s->y_base + s->y) % s->total_height;
784 c = &s->cells[y1 * s->width + s->x];
785 c->ch = ch;
786 c->t_attrib = s->t_attrib;
787 update_xy(s, s->x, s->y);
788 s->x++;
789 }
790
791 static void console_respond_str(QemuConsole *s, const char *buf)
792 {
793 while (*buf) {
794 console_put_one(s, *buf);
795 buf++;
796 }
797 }
798
799 /* set cursor, checking bounds */
800 static void set_cursor(QemuConsole *s, int x, int y)
801 {
802 if (x < 0) {
803 x = 0;
804 }
805 if (y < 0) {
806 y = 0;
807 }
808 if (y >= s->height) {
809 y = s->height - 1;
810 }
811 if (x >= s->width) {
812 x = s->width - 1;
813 }
814
815 s->x = x;
816 s->y = y;
817 }
818
819 static void console_putchar(QemuConsole *s, int ch)
820 {
821 int i;
822 int x, y;
823 char response[40];
824
825 switch(s->state) {
826 case TTY_STATE_NORM:
827 switch(ch) {
828 case '\r': /* carriage return */
829 s->x = 0;
830 break;
831 case '\n': /* newline */
832 console_put_lf(s);
833 break;
834 case '\b': /* backspace */
835 if (s->x > 0)
836 s->x--;
837 break;
838 case '\t': /* tabspace */
839 if (s->x + (8 - (s->x % 8)) > s->width) {
840 s->x = 0;
841 console_put_lf(s);
842 } else {
843 s->x = s->x + (8 - (s->x % 8));
844 }
845 break;
846 case '\a': /* alert aka. bell */
847 /* TODO: has to be implemented */
848 break;
849 case 14:
850 /* SI (shift in), character set 0 (ignored) */
851 break;
852 case 15:
853 /* SO (shift out), character set 1 (ignored) */
854 break;
855 case 27: /* esc (introducing an escape sequence) */
856 s->state = TTY_STATE_ESC;
857 break;
858 default:
859 console_put_one(s, ch);
860 break;
861 }
862 break;
863 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
864 if (ch == '[') {
865 for(i=0;i<MAX_ESC_PARAMS;i++)
866 s->esc_params[i] = 0;
867 s->nb_esc_params = 0;
868 s->state = TTY_STATE_CSI;
869 } else {
870 s->state = TTY_STATE_NORM;
871 }
872 break;
873 case TTY_STATE_CSI: /* handle escape sequence parameters */
874 if (ch >= '0' && ch <= '9') {
875 if (s->nb_esc_params < MAX_ESC_PARAMS) {
876 int *param = &s->esc_params[s->nb_esc_params];
877 int digit = (ch - '0');
878
879 *param = (*param <= (INT_MAX - digit) / 10) ?
880 *param * 10 + digit : INT_MAX;
881 }
882 } else {
883 if (s->nb_esc_params < MAX_ESC_PARAMS)
884 s->nb_esc_params++;
885 if (ch == ';' || ch == '?') {
886 break;
887 }
888 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
889 ch, s->nb_esc_params);
890 s->state = TTY_STATE_NORM;
891 switch(ch) {
892 case 'A':
893 /* move cursor up */
894 if (s->esc_params[0] == 0) {
895 s->esc_params[0] = 1;
896 }
897 set_cursor(s, s->x, s->y - s->esc_params[0]);
898 break;
899 case 'B':
900 /* move cursor down */
901 if (s->esc_params[0] == 0) {
902 s->esc_params[0] = 1;
903 }
904 set_cursor(s, s->x, s->y + s->esc_params[0]);
905 break;
906 case 'C':
907 /* move cursor right */
908 if (s->esc_params[0] == 0) {
909 s->esc_params[0] = 1;
910 }
911 set_cursor(s, s->x + s->esc_params[0], s->y);
912 break;
913 case 'D':
914 /* move cursor left */
915 if (s->esc_params[0] == 0) {
916 s->esc_params[0] = 1;
917 }
918 set_cursor(s, s->x - s->esc_params[0], s->y);
919 break;
920 case 'G':
921 /* move cursor to column */
922 set_cursor(s, s->esc_params[0] - 1, s->y);
923 break;
924 case 'f':
925 case 'H':
926 /* move cursor to row, column */
927 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
928 break;
929 case 'J':
930 switch (s->esc_params[0]) {
931 case 0:
932 /* clear to end of screen */
933 for (y = s->y; y < s->height; y++) {
934 for (x = 0; x < s->width; x++) {
935 if (y == s->y && x < s->x) {
936 continue;
937 }
938 console_clear_xy(s, x, y);
939 }
940 }
941 break;
942 case 1:
943 /* clear from beginning of screen */
944 for (y = 0; y <= s->y; y++) {
945 for (x = 0; x < s->width; x++) {
946 if (y == s->y && x > s->x) {
947 break;
948 }
949 console_clear_xy(s, x, y);
950 }
951 }
952 break;
953 case 2:
954 /* clear entire screen */
955 for (y = 0; y <= s->height; y++) {
956 for (x = 0; x < s->width; x++) {
957 console_clear_xy(s, x, y);
958 }
959 }
960 break;
961 }
962 break;
963 case 'K':
964 switch (s->esc_params[0]) {
965 case 0:
966 /* clear to eol */
967 for(x = s->x; x < s->width; x++) {
968 console_clear_xy(s, x, s->y);
969 }
970 break;
971 case 1:
972 /* clear from beginning of line */
973 for (x = 0; x <= s->x; x++) {
974 console_clear_xy(s, x, s->y);
975 }
976 break;
977 case 2:
978 /* clear entire line */
979 for(x = 0; x < s->width; x++) {
980 console_clear_xy(s, x, s->y);
981 }
982 break;
983 }
984 break;
985 case 'm':
986 console_handle_escape(s);
987 break;
988 case 'n':
989 switch (s->esc_params[0]) {
990 case 5:
991 /* report console status (always succeed)*/
992 console_respond_str(s, "\033[0n");
993 break;
994 case 6:
995 /* report cursor position */
996 sprintf(response, "\033[%d;%dR",
997 (s->y_base + s->y) % s->total_height + 1,
998 s->x + 1);
999 console_respond_str(s, response);
1000 break;
1001 }
1002 break;
1003 case 's':
1004 /* save cursor position */
1005 s->x_saved = s->x;
1006 s->y_saved = s->y;
1007 break;
1008 case 'u':
1009 /* restore cursor position */
1010 s->x = s->x_saved;
1011 s->y = s->y_saved;
1012 break;
1013 default:
1014 trace_console_putchar_unhandled(ch);
1015 break;
1016 }
1017 break;
1018 }
1019 }
1020 }
1021
1022 void console_select(unsigned int index)
1023 {
1024 DisplayChangeListener *dcl;
1025 QemuConsole *s;
1026
1027 trace_console_select(index);
1028 s = qemu_console_lookup_by_index(index);
1029 if (s) {
1030 DisplayState *ds = s->ds;
1031
1032 active_console = s;
1033 if (ds->have_gfx) {
1034 QLIST_FOREACH(dcl, &ds->listeners, next) {
1035 if (dcl->con != NULL) {
1036 continue;
1037 }
1038 if (dcl->ops->dpy_gfx_switch) {
1039 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1040 }
1041 }
1042 if (s->surface) {
1043 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1044 surface_height(s->surface));
1045 }
1046 }
1047 if (ds->have_text) {
1048 dpy_text_resize(s, s->width, s->height);
1049 }
1050 text_console_update_cursor(NULL);
1051 }
1052 }
1053
1054 typedef struct VCChardev {
1055 Chardev parent;
1056 QemuConsole *console;
1057 } VCChardev;
1058
1059 #define TYPE_CHARDEV_VC "chardev-vc"
1060 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
1061
1062 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1063 {
1064 VCChardev *drv = VC_CHARDEV(chr);
1065 QemuConsole *s = drv->console;
1066 int i;
1067
1068 if (!s->ds) {
1069 return 0;
1070 }
1071
1072 s->update_x0 = s->width * FONT_WIDTH;
1073 s->update_y0 = s->height * FONT_HEIGHT;
1074 s->update_x1 = 0;
1075 s->update_y1 = 0;
1076 console_show_cursor(s, 0);
1077 for(i = 0; i < len; i++) {
1078 console_putchar(s, buf[i]);
1079 }
1080 console_show_cursor(s, 1);
1081 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1082 dpy_gfx_update(s, s->update_x0, s->update_y0,
1083 s->update_x1 - s->update_x0,
1084 s->update_y1 - s->update_y0);
1085 }
1086 return len;
1087 }
1088
1089 static void kbd_send_chars(void *opaque)
1090 {
1091 QemuConsole *s = opaque;
1092 int len;
1093 uint8_t buf[16];
1094
1095 len = qemu_chr_be_can_write(s->chr);
1096 if (len > s->out_fifo.count)
1097 len = s->out_fifo.count;
1098 if (len > 0) {
1099 if (len > sizeof(buf))
1100 len = sizeof(buf);
1101 qemu_fifo_read(&s->out_fifo, buf, len);
1102 qemu_chr_be_write(s->chr, buf, len);
1103 }
1104 /* characters are pending: we send them a bit later (XXX:
1105 horrible, should change char device API) */
1106 if (s->out_fifo.count > 0) {
1107 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1108 }
1109 }
1110
1111 /* called when an ascii key is pressed */
1112 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1113 {
1114 uint8_t buf[16], *q;
1115 CharBackend *be;
1116 int c;
1117
1118 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1119 return;
1120
1121 switch(keysym) {
1122 case QEMU_KEY_CTRL_UP:
1123 console_scroll(s, -1);
1124 break;
1125 case QEMU_KEY_CTRL_DOWN:
1126 console_scroll(s, 1);
1127 break;
1128 case QEMU_KEY_CTRL_PAGEUP:
1129 console_scroll(s, -10);
1130 break;
1131 case QEMU_KEY_CTRL_PAGEDOWN:
1132 console_scroll(s, 10);
1133 break;
1134 default:
1135 /* convert the QEMU keysym to VT100 key string */
1136 q = buf;
1137 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1138 *q++ = '\033';
1139 *q++ = '[';
1140 c = keysym - 0xe100;
1141 if (c >= 10)
1142 *q++ = '0' + (c / 10);
1143 *q++ = '0' + (c % 10);
1144 *q++ = '~';
1145 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1146 *q++ = '\033';
1147 *q++ = '[';
1148 *q++ = keysym & 0xff;
1149 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1150 vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
1151 *q++ = '\n';
1152 } else {
1153 *q++ = keysym;
1154 }
1155 if (s->echo) {
1156 vc_chr_write(s->chr, buf, q - buf);
1157 }
1158 be = s->chr->be;
1159 if (be && be->chr_read) {
1160 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1161 kbd_send_chars(s);
1162 }
1163 break;
1164 }
1165 }
1166
1167 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1168 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1169 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1170 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1171 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1172 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1173 [Q_KEY_CODE_END] = QEMU_KEY_END,
1174 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1175 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1176 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1177 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1178 };
1179
1180 bool kbd_put_qcode_console(QemuConsole *s, int qcode)
1181 {
1182 int keysym;
1183
1184 keysym = qcode_to_keysym[qcode];
1185 if (keysym == 0) {
1186 return false;
1187 }
1188 kbd_put_keysym_console(s, keysym);
1189 return true;
1190 }
1191
1192 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1193 {
1194 int i;
1195
1196 for (i = 0; i < len && str[i]; i++) {
1197 kbd_put_keysym_console(s, str[i]);
1198 }
1199 }
1200
1201 void kbd_put_keysym(int keysym)
1202 {
1203 kbd_put_keysym_console(active_console, keysym);
1204 }
1205
1206 static void text_console_invalidate(void *opaque)
1207 {
1208 QemuConsole *s = (QemuConsole *) opaque;
1209
1210 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1211 text_console_resize(s);
1212 }
1213 console_refresh(s);
1214 }
1215
1216 static void text_console_update(void *opaque, console_ch_t *chardata)
1217 {
1218 QemuConsole *s = (QemuConsole *) opaque;
1219 int i, j, src;
1220
1221 if (s->text_x[0] <= s->text_x[1]) {
1222 src = (s->y_base + s->text_y[0]) * s->width;
1223 chardata += s->text_y[0] * s->width;
1224 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1225 for (j = 0; j < s->width; j++, src++) {
1226 console_write_ch(chardata ++,
1227 ATTR2CHTYPE(s->cells[src].ch,
1228 s->cells[src].t_attrib.fgcol,
1229 s->cells[src].t_attrib.bgcol,
1230 s->cells[src].t_attrib.bold));
1231 }
1232 dpy_text_update(s, s->text_x[0], s->text_y[0],
1233 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1234 s->text_x[0] = s->width;
1235 s->text_y[0] = s->height;
1236 s->text_x[1] = 0;
1237 s->text_y[1] = 0;
1238 }
1239 if (s->cursor_invalidate) {
1240 dpy_text_cursor(s, s->x, s->y);
1241 s->cursor_invalidate = 0;
1242 }
1243 }
1244
1245 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1246 uint32_t head)
1247 {
1248 Object *obj;
1249 QemuConsole *s;
1250 int i;
1251
1252 obj = object_new(TYPE_QEMU_CONSOLE);
1253 s = QEMU_CONSOLE(obj);
1254 s->head = head;
1255 object_property_add_link(obj, "device", TYPE_DEVICE,
1256 (Object **)&s->device,
1257 object_property_allow_set_link,
1258 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1259 &error_abort);
1260 object_property_add_uint32_ptr(obj, "head",
1261 &s->head, &error_abort);
1262
1263 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1264 (console_type == GRAPHIC_CONSOLE))) {
1265 active_console = s;
1266 }
1267 s->ds = ds;
1268 s->console_type = console_type;
1269
1270 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
1271 if (console_type != GRAPHIC_CONSOLE) {
1272 s->index = nb_consoles;
1273 consoles[nb_consoles++] = s;
1274 } else {
1275 /* HACK: Put graphical consoles before text consoles. */
1276 for (i = nb_consoles; i > 0; i--) {
1277 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1278 break;
1279 consoles[i] = consoles[i - 1];
1280 consoles[i]->index = i;
1281 }
1282 s->index = i;
1283 consoles[i] = s;
1284 nb_consoles++;
1285 }
1286 return s;
1287 }
1288
1289 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1290 {
1291 qemu_pixman_image_unref(surface->image);
1292 surface->image = NULL;
1293
1294 surface->format = PIXMAN_x8r8g8b8;
1295 surface->image = pixman_image_create_bits(surface->format,
1296 width, height,
1297 NULL, width * 4);
1298 assert(surface->image != NULL);
1299
1300 surface->flags = QEMU_ALLOCATED_FLAG;
1301 }
1302
1303 DisplaySurface *qemu_create_displaysurface(int width, int height)
1304 {
1305 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1306
1307 trace_displaysurface_create(surface, width, height);
1308 qemu_alloc_display(surface, width, height);
1309 return surface;
1310 }
1311
1312 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1313 pixman_format_code_t format,
1314 int linesize, uint8_t *data)
1315 {
1316 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1317
1318 trace_displaysurface_create_from(surface, width, height, format);
1319 surface->format = format;
1320 surface->image = pixman_image_create_bits(surface->format,
1321 width, height,
1322 (void *)data, linesize);
1323 assert(surface->image != NULL);
1324
1325 return surface;
1326 }
1327
1328 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1329 {
1330 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1331
1332 trace_displaysurface_create_pixman(surface);
1333 surface->format = pixman_image_get_format(image);
1334 surface->image = pixman_image_ref(image);
1335
1336 return surface;
1337 }
1338
1339 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image,
1340 void *unused)
1341 {
1342 void *data = pixman_image_get_data(image);
1343 uint32_t size = pixman_image_get_stride(image) *
1344 pixman_image_get_height(image);
1345 cpu_physical_memory_unmap(data, size, 0, 0);
1346 }
1347
1348 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
1349 pixman_format_code_t format,
1350 int linesize, uint64_t addr)
1351 {
1352 DisplaySurface *surface;
1353 hwaddr size;
1354 void *data;
1355
1356 if (linesize == 0) {
1357 linesize = width * PIXMAN_FORMAT_BPP(format) / 8;
1358 }
1359
1360 size = (hwaddr)linesize * height;
1361 data = cpu_physical_memory_map(addr, &size, 0);
1362 if (size != (hwaddr)linesize * height) {
1363 cpu_physical_memory_unmap(data, size, 0, 0);
1364 return NULL;
1365 }
1366
1367 surface = qemu_create_displaysurface_from
1368 (width, height, format, linesize, data);
1369 pixman_image_set_destroy_function
1370 (surface->image, qemu_unmap_displaysurface_guestmem, NULL);
1371
1372 return surface;
1373 }
1374
1375 DisplaySurface *qemu_create_message_surface(int w, int h,
1376 const char *msg)
1377 {
1378 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1379 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1380 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1381 pixman_image_t *glyph;
1382 int len, x, y, i;
1383
1384 len = strlen(msg);
1385 x = (w / FONT_WIDTH - len) / 2;
1386 y = (h / FONT_HEIGHT - 1) / 2;
1387 for (i = 0; i < len; i++) {
1388 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1389 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1390 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1391 qemu_pixman_image_unref(glyph);
1392 }
1393 return surface;
1394 }
1395
1396 void qemu_free_displaysurface(DisplaySurface *surface)
1397 {
1398 if (surface == NULL) {
1399 return;
1400 }
1401 trace_displaysurface_free(surface);
1402 qemu_pixman_image_unref(surface->image);
1403 g_free(surface);
1404 }
1405
1406 bool console_has_gl(QemuConsole *con)
1407 {
1408 return con->gl != NULL;
1409 }
1410
1411 bool console_has_gl_dmabuf(QemuConsole *con)
1412 {
1413 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL;
1414 }
1415
1416 void register_displaychangelistener(DisplayChangeListener *dcl)
1417 {
1418 static const char nodev[] =
1419 "This VM has no graphic display device.";
1420 static DisplaySurface *dummy;
1421 QemuConsole *con;
1422
1423 assert(!dcl->ds);
1424
1425 if (dcl->ops->dpy_gl_ctx_create) {
1426 /* display has opengl support */
1427 assert(dcl->con);
1428 if (dcl->con->gl) {
1429 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1430 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1431 exit(1);
1432 }
1433 dcl->con->gl = dcl;
1434 }
1435
1436 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1437 dcl->ds = get_alloc_displaystate();
1438 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1439 gui_setup_refresh(dcl->ds);
1440 if (dcl->con) {
1441 dcl->con->dcls++;
1442 con = dcl->con;
1443 } else {
1444 con = active_console;
1445 }
1446 if (dcl->ops->dpy_gfx_switch) {
1447 if (con) {
1448 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1449 } else {
1450 if (!dummy) {
1451 dummy = qemu_create_message_surface(640, 480, nodev);
1452 }
1453 dcl->ops->dpy_gfx_switch(dcl, dummy);
1454 }
1455 }
1456 text_console_update_cursor(NULL);
1457 }
1458
1459 void update_displaychangelistener(DisplayChangeListener *dcl,
1460 uint64_t interval)
1461 {
1462 DisplayState *ds = dcl->ds;
1463
1464 dcl->update_interval = interval;
1465 if (!ds->refreshing && ds->update_interval > interval) {
1466 timer_mod(ds->gui_timer, ds->last_update + interval);
1467 }
1468 }
1469
1470 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1471 {
1472 DisplayState *ds = dcl->ds;
1473 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1474 if (dcl->con) {
1475 dcl->con->dcls--;
1476 }
1477 QLIST_REMOVE(dcl, next);
1478 dcl->ds = NULL;
1479 gui_setup_refresh(ds);
1480 }
1481
1482 static void dpy_set_ui_info_timer(void *opaque)
1483 {
1484 QemuConsole *con = opaque;
1485
1486 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1487 }
1488
1489 bool dpy_ui_info_supported(QemuConsole *con)
1490 {
1491 return con->hw_ops->ui_info != NULL;
1492 }
1493
1494 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1495 {
1496 assert(con != NULL);
1497
1498 if (!dpy_ui_info_supported(con)) {
1499 return -1;
1500 }
1501 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1502 /* nothing changed -- ignore */
1503 return 0;
1504 }
1505
1506 /*
1507 * Typically we get a flood of these as the user resizes the window.
1508 * Wait until the dust has settled (one second without updates), then
1509 * go notify the guest.
1510 */
1511 con->ui_info = *info;
1512 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1513 return 0;
1514 }
1515
1516 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1517 {
1518 DisplayState *s = con->ds;
1519 DisplayChangeListener *dcl;
1520 int width = w;
1521 int height = h;
1522
1523 if (con->surface) {
1524 width = surface_width(con->surface);
1525 height = surface_height(con->surface);
1526 }
1527 x = MAX(x, 0);
1528 y = MAX(y, 0);
1529 x = MIN(x, width);
1530 y = MIN(y, height);
1531 w = MIN(w, width - x);
1532 h = MIN(h, height - y);
1533
1534 if (!qemu_console_is_visible(con)) {
1535 return;
1536 }
1537 QLIST_FOREACH(dcl, &s->listeners, next) {
1538 if (con != (dcl->con ? dcl->con : active_console)) {
1539 continue;
1540 }
1541 if (dcl->ops->dpy_gfx_update) {
1542 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1543 }
1544 }
1545 }
1546
1547 void dpy_gfx_replace_surface(QemuConsole *con,
1548 DisplaySurface *surface)
1549 {
1550 DisplayState *s = con->ds;
1551 DisplaySurface *old_surface = con->surface;
1552 DisplayChangeListener *dcl;
1553
1554 assert(old_surface != surface || surface == NULL);
1555
1556 con->surface = surface;
1557 QLIST_FOREACH(dcl, &s->listeners, next) {
1558 if (con != (dcl->con ? dcl->con : active_console)) {
1559 continue;
1560 }
1561 if (dcl->ops->dpy_gfx_switch) {
1562 dcl->ops->dpy_gfx_switch(dcl, surface);
1563 }
1564 }
1565 qemu_free_displaysurface(old_surface);
1566 }
1567
1568 bool dpy_gfx_check_format(QemuConsole *con,
1569 pixman_format_code_t format)
1570 {
1571 DisplayChangeListener *dcl;
1572 DisplayState *s = con->ds;
1573
1574 QLIST_FOREACH(dcl, &s->listeners, next) {
1575 if (dcl->con && dcl->con != con) {
1576 /* dcl bound to another console -> skip */
1577 continue;
1578 }
1579 if (dcl->ops->dpy_gfx_check_format) {
1580 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1581 return false;
1582 }
1583 } else {
1584 /* default is to whitelist native 32 bpp only */
1585 if (format != qemu_default_pixman_format(32, true)) {
1586 return false;
1587 }
1588 }
1589 }
1590 return true;
1591 }
1592
1593 static void dpy_refresh(DisplayState *s)
1594 {
1595 DisplayChangeListener *dcl;
1596
1597 QLIST_FOREACH(dcl, &s->listeners, next) {
1598 if (dcl->ops->dpy_refresh) {
1599 dcl->ops->dpy_refresh(dcl);
1600 }
1601 }
1602 }
1603
1604 void dpy_text_cursor(QemuConsole *con, int x, int y)
1605 {
1606 DisplayState *s = con->ds;
1607 DisplayChangeListener *dcl;
1608
1609 if (!qemu_console_is_visible(con)) {
1610 return;
1611 }
1612 QLIST_FOREACH(dcl, &s->listeners, next) {
1613 if (con != (dcl->con ? dcl->con : active_console)) {
1614 continue;
1615 }
1616 if (dcl->ops->dpy_text_cursor) {
1617 dcl->ops->dpy_text_cursor(dcl, x, y);
1618 }
1619 }
1620 }
1621
1622 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1623 {
1624 DisplayState *s = con->ds;
1625 DisplayChangeListener *dcl;
1626
1627 if (!qemu_console_is_visible(con)) {
1628 return;
1629 }
1630 QLIST_FOREACH(dcl, &s->listeners, next) {
1631 if (con != (dcl->con ? dcl->con : active_console)) {
1632 continue;
1633 }
1634 if (dcl->ops->dpy_text_update) {
1635 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1636 }
1637 }
1638 }
1639
1640 void dpy_text_resize(QemuConsole *con, int w, int h)
1641 {
1642 DisplayState *s = con->ds;
1643 DisplayChangeListener *dcl;
1644
1645 if (!qemu_console_is_visible(con)) {
1646 return;
1647 }
1648 QLIST_FOREACH(dcl, &s->listeners, next) {
1649 if (con != (dcl->con ? dcl->con : active_console)) {
1650 continue;
1651 }
1652 if (dcl->ops->dpy_text_resize) {
1653 dcl->ops->dpy_text_resize(dcl, w, h);
1654 }
1655 }
1656 }
1657
1658 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1659 {
1660 DisplayState *s = con->ds;
1661 DisplayChangeListener *dcl;
1662
1663 if (!qemu_console_is_visible(con)) {
1664 return;
1665 }
1666 QLIST_FOREACH(dcl, &s->listeners, next) {
1667 if (con != (dcl->con ? dcl->con : active_console)) {
1668 continue;
1669 }
1670 if (dcl->ops->dpy_mouse_set) {
1671 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1672 }
1673 }
1674 }
1675
1676 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1677 {
1678 DisplayState *s = con->ds;
1679 DisplayChangeListener *dcl;
1680
1681 if (!qemu_console_is_visible(con)) {
1682 return;
1683 }
1684 QLIST_FOREACH(dcl, &s->listeners, next) {
1685 if (con != (dcl->con ? dcl->con : active_console)) {
1686 continue;
1687 }
1688 if (dcl->ops->dpy_cursor_define) {
1689 dcl->ops->dpy_cursor_define(dcl, cursor);
1690 }
1691 }
1692 }
1693
1694 bool dpy_cursor_define_supported(QemuConsole *con)
1695 {
1696 DisplayState *s = con->ds;
1697 DisplayChangeListener *dcl;
1698
1699 QLIST_FOREACH(dcl, &s->listeners, next) {
1700 if (dcl->ops->dpy_cursor_define) {
1701 return true;
1702 }
1703 }
1704 return false;
1705 }
1706
1707 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1708 struct QEMUGLParams *qparams)
1709 {
1710 assert(con->gl);
1711 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1712 }
1713
1714 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1715 {
1716 assert(con->gl);
1717 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1718 }
1719
1720 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1721 {
1722 assert(con->gl);
1723 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1724 }
1725
1726 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1727 {
1728 assert(con->gl);
1729 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1730 }
1731
1732 void dpy_gl_scanout_disable(QemuConsole *con)
1733 {
1734 assert(con->gl);
1735 if (con->gl->ops->dpy_gl_scanout_disable) {
1736 con->gl->ops->dpy_gl_scanout_disable(con->gl);
1737 } else {
1738 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0,
1739 0, 0, 0, 0);
1740 }
1741 }
1742
1743 void dpy_gl_scanout_texture(QemuConsole *con,
1744 uint32_t backing_id,
1745 bool backing_y_0_top,
1746 uint32_t backing_width,
1747 uint32_t backing_height,
1748 uint32_t x, uint32_t y,
1749 uint32_t width, uint32_t height)
1750 {
1751 assert(con->gl);
1752 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id,
1753 backing_y_0_top,
1754 backing_width, backing_height,
1755 x, y, width, height);
1756 }
1757
1758 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1759 QemuDmaBuf *dmabuf)
1760 {
1761 assert(con->gl);
1762 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf);
1763 }
1764
1765 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
1766 bool have_hot, uint32_t hot_x, uint32_t hot_y)
1767 {
1768 assert(con->gl);
1769
1770 if (con->gl->ops->dpy_gl_cursor_dmabuf) {
1771 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf,
1772 have_hot, hot_x, hot_y);
1773 }
1774 }
1775
1776 void dpy_gl_cursor_position(QemuConsole *con,
1777 uint32_t pos_x, uint32_t pos_y)
1778 {
1779 assert(con->gl);
1780
1781 if (con->gl->ops->dpy_gl_cursor_position) {
1782 con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y);
1783 }
1784 }
1785
1786 void dpy_gl_release_dmabuf(QemuConsole *con,
1787 QemuDmaBuf *dmabuf)
1788 {
1789 assert(con->gl);
1790
1791 if (con->gl->ops->dpy_gl_release_dmabuf) {
1792 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf);
1793 }
1794 }
1795
1796 void dpy_gl_update(QemuConsole *con,
1797 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1798 {
1799 assert(con->gl);
1800 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1801 }
1802
1803 /***********************************************************/
1804 /* register display */
1805
1806 /* console.c internal use only */
1807 static DisplayState *get_alloc_displaystate(void)
1808 {
1809 if (!display_state) {
1810 display_state = g_new0(DisplayState, 1);
1811 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1812 text_console_update_cursor, NULL);
1813 }
1814 return display_state;
1815 }
1816
1817 /*
1818 * Called by main(), after creating QemuConsoles
1819 * and before initializing ui (sdl/vnc/...).
1820 */
1821 DisplayState *init_displaystate(void)
1822 {
1823 gchar *name;
1824 int i;
1825
1826 get_alloc_displaystate();
1827 for (i = 0; i < nb_consoles; i++) {
1828 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1829 consoles[i]->ds == NULL) {
1830 text_console_do_init(consoles[i]->chr, display_state);
1831 }
1832
1833 /* Hook up into the qom tree here (not in new_console()), once
1834 * all QemuConsoles are created and the order / numbering
1835 * doesn't change any more */
1836 name = g_strdup_printf("console[%d]", i);
1837 object_property_add_child(container_get(object_get_root(), "/backend"),
1838 name, OBJECT(consoles[i]), &error_abort);
1839 g_free(name);
1840 }
1841
1842 return display_state;
1843 }
1844
1845 void graphic_console_set_hwops(QemuConsole *con,
1846 const GraphicHwOps *hw_ops,
1847 void *opaque)
1848 {
1849 con->hw_ops = hw_ops;
1850 con->hw = opaque;
1851 }
1852
1853 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1854 const GraphicHwOps *hw_ops,
1855 void *opaque)
1856 {
1857 static const char noinit[] =
1858 "Guest has not initialized the display (yet).";
1859 int width = 640;
1860 int height = 480;
1861 QemuConsole *s;
1862 DisplayState *ds;
1863
1864 ds = get_alloc_displaystate();
1865 trace_console_gfx_new();
1866 s = new_console(ds, GRAPHIC_CONSOLE, head);
1867 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s);
1868 graphic_console_set_hwops(s, hw_ops, opaque);
1869 if (dev) {
1870 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1871 &error_abort);
1872 }
1873
1874 s->surface = qemu_create_message_surface(width, height, noinit);
1875 return s;
1876 }
1877
1878 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1879 {
1880 if (index >= nb_consoles) {
1881 return NULL;
1882 }
1883 return consoles[index];
1884 }
1885
1886 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1887 {
1888 Object *obj;
1889 uint32_t h;
1890 int i;
1891
1892 for (i = 0; i < nb_consoles; i++) {
1893 if (!consoles[i]) {
1894 continue;
1895 }
1896 obj = object_property_get_link(OBJECT(consoles[i]),
1897 "device", &error_abort);
1898 if (DEVICE(obj) != dev) {
1899 continue;
1900 }
1901 h = object_property_get_uint(OBJECT(consoles[i]),
1902 "head", &error_abort);
1903 if (h != head) {
1904 continue;
1905 }
1906 return consoles[i];
1907 }
1908 return NULL;
1909 }
1910
1911 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
1912 uint32_t head, Error **errp)
1913 {
1914 DeviceState *dev;
1915 QemuConsole *con;
1916
1917 dev = qdev_find_recursive(sysbus_get_default(), device_id);
1918 if (dev == NULL) {
1919 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
1920 "Device '%s' not found", device_id);
1921 return NULL;
1922 }
1923
1924 con = qemu_console_lookup_by_device(dev, head);
1925 if (con == NULL) {
1926 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
1927 device_id, head);
1928 return NULL;
1929 }
1930
1931 return con;
1932 }
1933
1934 bool qemu_console_is_visible(QemuConsole *con)
1935 {
1936 return (con == active_console) || (con->dcls > 0);
1937 }
1938
1939 bool qemu_console_is_graphic(QemuConsole *con)
1940 {
1941 if (con == NULL) {
1942 con = active_console;
1943 }
1944 return con && (con->console_type == GRAPHIC_CONSOLE);
1945 }
1946
1947 bool qemu_console_is_fixedsize(QemuConsole *con)
1948 {
1949 if (con == NULL) {
1950 con = active_console;
1951 }
1952 return con && (con->console_type != TEXT_CONSOLE);
1953 }
1954
1955 bool qemu_console_is_gl_blocked(QemuConsole *con)
1956 {
1957 assert(con != NULL);
1958 return con->gl_block;
1959 }
1960
1961 char *qemu_console_get_label(QemuConsole *con)
1962 {
1963 if (con->console_type == GRAPHIC_CONSOLE) {
1964 if (con->device) {
1965 return g_strdup(object_get_typename(con->device));
1966 }
1967 return g_strdup("VGA");
1968 } else {
1969 if (con->chr && con->chr->label) {
1970 return g_strdup(con->chr->label);
1971 }
1972 return g_strdup_printf("vc%d", con->index);
1973 }
1974 }
1975
1976 int qemu_console_get_index(QemuConsole *con)
1977 {
1978 if (con == NULL) {
1979 con = active_console;
1980 }
1981 return con ? con->index : -1;
1982 }
1983
1984 uint32_t qemu_console_get_head(QemuConsole *con)
1985 {
1986 if (con == NULL) {
1987 con = active_console;
1988 }
1989 return con ? con->head : -1;
1990 }
1991
1992 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
1993 {
1994 assert(con != NULL);
1995 return &con->ui_info;
1996 }
1997
1998 int qemu_console_get_width(QemuConsole *con, int fallback)
1999 {
2000 if (con == NULL) {
2001 con = active_console;
2002 }
2003 return con ? surface_width(con->surface) : fallback;
2004 }
2005
2006 int qemu_console_get_height(QemuConsole *con, int fallback)
2007 {
2008 if (con == NULL) {
2009 con = active_console;
2010 }
2011 return con ? surface_height(con->surface) : fallback;
2012 }
2013
2014 static void vc_chr_set_echo(Chardev *chr, bool echo)
2015 {
2016 VCChardev *drv = VC_CHARDEV(chr);
2017 QemuConsole *s = drv->console;
2018
2019 s->echo = echo;
2020 }
2021
2022 static void text_console_update_cursor_timer(void)
2023 {
2024 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
2025 + CONSOLE_CURSOR_PERIOD / 2);
2026 }
2027
2028 static void text_console_update_cursor(void *opaque)
2029 {
2030 QemuConsole *s;
2031 int i, count = 0;
2032
2033 cursor_visible_phase = !cursor_visible_phase;
2034
2035 for (i = 0; i < nb_consoles; i++) {
2036 s = consoles[i];
2037 if (qemu_console_is_graphic(s) ||
2038 !qemu_console_is_visible(s)) {
2039 continue;
2040 }
2041 count++;
2042 graphic_hw_invalidate(s);
2043 }
2044
2045 if (count) {
2046 text_console_update_cursor_timer();
2047 }
2048 }
2049
2050 static const GraphicHwOps text_console_ops = {
2051 .invalidate = text_console_invalidate,
2052 .text_update = text_console_update,
2053 };
2054
2055 static void text_console_do_init(Chardev *chr, DisplayState *ds)
2056 {
2057 VCChardev *drv = VC_CHARDEV(chr);
2058 QemuConsole *s = drv->console;
2059 int g_width = 80 * FONT_WIDTH;
2060 int g_height = 24 * FONT_HEIGHT;
2061
2062 s->out_fifo.buf = s->out_fifo_buf;
2063 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
2064 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
2065 s->ds = ds;
2066
2067 s->y_displayed = 0;
2068 s->y_base = 0;
2069 s->total_height = DEFAULT_BACKSCROLL;
2070 s->x = 0;
2071 s->y = 0;
2072 if (!s->surface) {
2073 if (active_console && active_console->surface) {
2074 g_width = surface_width(active_console->surface);
2075 g_height = surface_height(active_console->surface);
2076 }
2077 s->surface = qemu_create_displaysurface(g_width, g_height);
2078 }
2079
2080 s->hw_ops = &text_console_ops;
2081 s->hw = s;
2082
2083 /* Set text attribute defaults */
2084 s->t_attrib_default.bold = 0;
2085 s->t_attrib_default.uline = 0;
2086 s->t_attrib_default.blink = 0;
2087 s->t_attrib_default.invers = 0;
2088 s->t_attrib_default.unvisible = 0;
2089 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2090 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2091 /* set current text attributes to default */
2092 s->t_attrib = s->t_attrib_default;
2093 text_console_resize(s);
2094
2095 if (chr->label) {
2096 char msg[128];
2097 int len;
2098
2099 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2100 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
2101 vc_chr_write(chr, (uint8_t *)msg, len);
2102 s->t_attrib = s->t_attrib_default;
2103 }
2104
2105 qemu_chr_be_event(chr, CHR_EVENT_OPENED);
2106 }
2107
2108 static void vc_chr_open(Chardev *chr,
2109 ChardevBackend *backend,
2110 bool *be_opened,
2111 Error **errp)
2112 {
2113 ChardevVC *vc = backend->u.vc.data;
2114 VCChardev *drv = VC_CHARDEV(chr);
2115 QemuConsole *s;
2116 unsigned width = 0;
2117 unsigned height = 0;
2118
2119 if (vc->has_width) {
2120 width = vc->width;
2121 } else if (vc->has_cols) {
2122 width = vc->cols * FONT_WIDTH;
2123 }
2124
2125 if (vc->has_height) {
2126 height = vc->height;
2127 } else if (vc->has_rows) {
2128 height = vc->rows * FONT_HEIGHT;
2129 }
2130
2131 trace_console_txt_new(width, height);
2132 if (width == 0 || height == 0) {
2133 s = new_console(NULL, TEXT_CONSOLE, 0);
2134 } else {
2135 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2136 s->surface = qemu_create_displaysurface(width, height);
2137 }
2138
2139 if (!s) {
2140 error_setg(errp, "cannot create text console");
2141 return;
2142 }
2143
2144 s->chr = chr;
2145 drv->console = s;
2146
2147 if (display_state) {
2148 text_console_do_init(chr, display_state);
2149 }
2150
2151 /* console/chardev init sometimes completes elsewhere in a 2nd
2152 * stage, so defer OPENED events until they are fully initialized
2153 */
2154 *be_opened = false;
2155 }
2156
2157 void qemu_console_resize(QemuConsole *s, int width, int height)
2158 {
2159 DisplaySurface *surface;
2160
2161 assert(s->console_type == GRAPHIC_CONSOLE);
2162
2163 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) &&
2164 pixman_image_get_width(s->surface->image) == width &&
2165 pixman_image_get_height(s->surface->image) == height) {
2166 return;
2167 }
2168
2169 surface = qemu_create_displaysurface(width, height);
2170 dpy_gfx_replace_surface(s, surface);
2171 }
2172
2173 DisplaySurface *qemu_console_surface(QemuConsole *console)
2174 {
2175 return console->surface;
2176 }
2177
2178 PixelFormat qemu_default_pixelformat(int bpp)
2179 {
2180 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2181 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2182 return pf;
2183 }
2184
2185 static QemuDisplay *dpys[DISPLAY_TYPE__MAX];
2186
2187 void qemu_display_register(QemuDisplay *ui)
2188 {
2189 assert(ui->type < DISPLAY_TYPE__MAX);
2190 dpys[ui->type] = ui;
2191 }
2192
2193 bool qemu_display_find_default(DisplayOptions *opts)
2194 {
2195 static DisplayType prio[] = {
2196 DISPLAY_TYPE_GTK,
2197 DISPLAY_TYPE_SDL,
2198 DISPLAY_TYPE_COCOA
2199 };
2200 int i;
2201
2202 for (i = 0; i < ARRAY_SIZE(prio); i++) {
2203 if (dpys[prio[i]] == NULL) {
2204 ui_module_load_one(DisplayType_lookup.array[prio[i]]);
2205 }
2206 if (dpys[prio[i]] == NULL) {
2207 continue;
2208 }
2209 opts->type = prio[i];
2210 return true;
2211 }
2212 return false;
2213 }
2214
2215 void qemu_display_early_init(DisplayOptions *opts)
2216 {
2217 assert(opts->type < DISPLAY_TYPE__MAX);
2218 if (opts->type == DISPLAY_TYPE_NONE) {
2219 return;
2220 }
2221 if (dpys[opts->type] == NULL) {
2222 ui_module_load_one(DisplayType_lookup.array[opts->type]);
2223 }
2224 if (dpys[opts->type] == NULL) {
2225 error_report("Display '%s' is not available.",
2226 DisplayType_lookup.array[opts->type]);
2227 exit(1);
2228 }
2229 if (dpys[opts->type]->early_init) {
2230 dpys[opts->type]->early_init(opts);
2231 }
2232 }
2233
2234 void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
2235 {
2236 assert(opts->type < DISPLAY_TYPE__MAX);
2237 if (opts->type == DISPLAY_TYPE_NONE) {
2238 return;
2239 }
2240 assert(dpys[opts->type] != NULL);
2241 dpys[opts->type]->init(ds, opts);
2242 }
2243
2244 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
2245 {
2246 int val;
2247 ChardevVC *vc;
2248
2249 backend->type = CHARDEV_BACKEND_KIND_VC;
2250 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2251 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2252
2253 val = qemu_opt_get_number(opts, "width", 0);
2254 if (val != 0) {
2255 vc->has_width = true;
2256 vc->width = val;
2257 }
2258
2259 val = qemu_opt_get_number(opts, "height", 0);
2260 if (val != 0) {
2261 vc->has_height = true;
2262 vc->height = val;
2263 }
2264
2265 val = qemu_opt_get_number(opts, "cols", 0);
2266 if (val != 0) {
2267 vc->has_cols = true;
2268 vc->cols = val;
2269 }
2270
2271 val = qemu_opt_get_number(opts, "rows", 0);
2272 if (val != 0) {
2273 vc->has_rows = true;
2274 vc->rows = val;
2275 }
2276 }
2277
2278 static const TypeInfo qemu_console_info = {
2279 .name = TYPE_QEMU_CONSOLE,
2280 .parent = TYPE_OBJECT,
2281 .instance_size = sizeof(QemuConsole),
2282 .class_size = sizeof(QemuConsoleClass),
2283 };
2284
2285 static void char_vc_class_init(ObjectClass *oc, void *data)
2286 {
2287 ChardevClass *cc = CHARDEV_CLASS(oc);
2288
2289 cc->parse = qemu_chr_parse_vc;
2290 cc->open = vc_chr_open;
2291 cc->chr_write = vc_chr_write;
2292 cc->chr_set_echo = vc_chr_set_echo;
2293 }
2294
2295 static const TypeInfo char_vc_type_info = {
2296 .name = TYPE_CHARDEV_VC,
2297 .parent = TYPE_CHARDEV,
2298 .instance_size = sizeof(VCChardev),
2299 .class_init = char_vc_class_init,
2300 };
2301
2302 void qemu_console_early_init(void)
2303 {
2304 /* set the default vc driver */
2305 if (!object_class_by_name(TYPE_CHARDEV_VC)) {
2306 type_register(&char_vc_type_info);
2307 }
2308 }
2309
2310 static void register_types(void)
2311 {
2312 type_register_static(&qemu_console_info);
2313 }
2314
2315 type_init(register_types);
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