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include/block/block_int: Document protocol related functions
[qemu/kevin.git] / ui / console.c
blob530a49198726aecb5047ee1fb729f9386c23435b
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, bool has_device, const char *device,
348 bool has_head, int64_t head, Error **errp)
349 {
350 QemuConsole *con;
351 DisplaySurface *surface;
352
353 if (has_device) {
354 con = qemu_console_lookup_by_device_name(device, has_head ? head : 0,
355 errp);
356 if (!con) {
357 return;
358 }
359 } else {
360 if (has_head) {
361 error_setg(errp, "'head' must be specified together with 'device'");
362 return;
363 }
364 con = qemu_console_lookup_by_index(0);
365 if (!con) {
366 error_setg(errp, "There is no console to take a screendump from");
367 return;
368 }
369 }
370
371 graphic_hw_update(con);
372 surface = qemu_console_surface(con);
373 ppm_save(filename, surface, errp);
374 }
375
376 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
377 {
378 if (!con) {
379 con = active_console;
380 }
381 if (con && con->hw_ops->text_update) {
382 con->hw_ops->text_update(con->hw, chardata);
383 }
384 }
385
386 static void vga_fill_rect(QemuConsole *con,
387 int posx, int posy, int width, int height,
388 pixman_color_t color)
389 {
390 DisplaySurface *surface = qemu_console_surface(con);
391 pixman_rectangle16_t rect = {
392 .x = posx, .y = posy, .width = width, .height = height
393 };
394
395 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
396 &color, 1, &rect);
397 }
398
399 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
400 static void vga_bitblt(QemuConsole *con,
401 int xs, int ys, int xd, int yd, int w, int h)
402 {
403 DisplaySurface *surface = qemu_console_surface(con);
404
405 pixman_image_composite(PIXMAN_OP_SRC,
406 surface->image, NULL, surface->image,
407 xs, ys, 0, 0, xd, yd, w, h);
408 }
409
410 /***********************************************************/
411 /* basic char display */
412
413 #define FONT_HEIGHT 16
414 #define FONT_WIDTH 8
415
416 #include "vgafont.h"
417
418 #define QEMU_RGB(r, g, b) \
419 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
420
421 static const pixman_color_t color_table_rgb[2][8] = {
422 { /* dark */
423 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
424 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
425 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
426 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
427 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
428 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
429 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
430 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
431 },
432 { /* bright */
433 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
434 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
435 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
436 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
437 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
438 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
439 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
440 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
441 }
442 };
443
444 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
445 TextAttributes *t_attrib)
446 {
447 static pixman_image_t *glyphs[256];
448 DisplaySurface *surface = qemu_console_surface(s);
449 pixman_color_t fgcol, bgcol;
450
451 if (t_attrib->invers) {
452 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
453 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
454 } else {
455 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
456 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
457 }
458
459 if (!glyphs[ch]) {
460 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
461 }
462 qemu_pixman_glyph_render(glyphs[ch], surface->image,
463 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
464 }
465
466 static void text_console_resize(QemuConsole *s)
467 {
468 TextCell *cells, *c, *c1;
469 int w1, x, y, last_width;
470
471 last_width = s->width;
472 s->width = surface_width(s->surface) / FONT_WIDTH;
473 s->height = surface_height(s->surface) / FONT_HEIGHT;
474
475 w1 = last_width;
476 if (s->width < w1)
477 w1 = s->width;
478
479 cells = g_new(TextCell, s->width * s->total_height);
480 for(y = 0; y < s->total_height; y++) {
481 c = &cells[y * s->width];
482 if (w1 > 0) {
483 c1 = &s->cells[y * last_width];
484 for(x = 0; x < w1; x++) {
485 *c++ = *c1++;
486 }
487 }
488 for(x = w1; x < s->width; x++) {
489 c->ch = ' ';
490 c->t_attrib = s->t_attrib_default;
491 c++;
492 }
493 }
494 g_free(s->cells);
495 s->cells = cells;
496 }
497
498 static inline void text_update_xy(QemuConsole *s, int x, int y)
499 {
500 s->text_x[0] = MIN(s->text_x[0], x);
501 s->text_x[1] = MAX(s->text_x[1], x);
502 s->text_y[0] = MIN(s->text_y[0], y);
503 s->text_y[1] = MAX(s->text_y[1], y);
504 }
505
506 static void invalidate_xy(QemuConsole *s, int x, int y)
507 {
508 if (!qemu_console_is_visible(s)) {
509 return;
510 }
511 if (s->update_x0 > x * FONT_WIDTH)
512 s->update_x0 = x * FONT_WIDTH;
513 if (s->update_y0 > y * FONT_HEIGHT)
514 s->update_y0 = y * FONT_HEIGHT;
515 if (s->update_x1 < (x + 1) * FONT_WIDTH)
516 s->update_x1 = (x + 1) * FONT_WIDTH;
517 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
518 s->update_y1 = (y + 1) * FONT_HEIGHT;
519 }
520
521 static void update_xy(QemuConsole *s, int x, int y)
522 {
523 TextCell *c;
524 int y1, y2;
525
526 if (s->ds->have_text) {
527 text_update_xy(s, x, y);
528 }
529
530 y1 = (s->y_base + y) % s->total_height;
531 y2 = y1 - s->y_displayed;
532 if (y2 < 0) {
533 y2 += s->total_height;
534 }
535 if (y2 < s->height) {
536 c = &s->cells[y1 * s->width + x];
537 vga_putcharxy(s, x, y2, c->ch,
538 &(c->t_attrib));
539 invalidate_xy(s, x, y2);
540 }
541 }
542
543 static void console_show_cursor(QemuConsole *s, int show)
544 {
545 TextCell *c;
546 int y, y1;
547 int x = s->x;
548
549 if (s->ds->have_text) {
550 s->cursor_invalidate = 1;
551 }
552
553 if (x >= s->width) {
554 x = s->width - 1;
555 }
556 y1 = (s->y_base + s->y) % s->total_height;
557 y = y1 - s->y_displayed;
558 if (y < 0) {
559 y += s->total_height;
560 }
561 if (y < s->height) {
562 c = &s->cells[y1 * s->width + x];
563 if (show && cursor_visible_phase) {
564 TextAttributes t_attrib = s->t_attrib_default;
565 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
566 vga_putcharxy(s, x, y, c->ch, &t_attrib);
567 } else {
568 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
569 }
570 invalidate_xy(s, x, y);
571 }
572 }
573
574 static void console_refresh(QemuConsole *s)
575 {
576 DisplaySurface *surface = qemu_console_surface(s);
577 TextCell *c;
578 int x, y, y1;
579
580 if (s->ds->have_text) {
581 s->text_x[0] = 0;
582 s->text_y[0] = 0;
583 s->text_x[1] = s->width - 1;
584 s->text_y[1] = s->height - 1;
585 s->cursor_invalidate = 1;
586 }
587
588 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
589 color_table_rgb[0][QEMU_COLOR_BLACK]);
590 y1 = s->y_displayed;
591 for (y = 0; y < s->height; y++) {
592 c = s->cells + y1 * s->width;
593 for (x = 0; x < s->width; x++) {
594 vga_putcharxy(s, x, y, c->ch,
595 &(c->t_attrib));
596 c++;
597 }
598 if (++y1 == s->total_height) {
599 y1 = 0;
600 }
601 }
602 console_show_cursor(s, 1);
603 dpy_gfx_update(s, 0, 0,
604 surface_width(surface), surface_height(surface));
605 }
606
607 static void console_scroll(QemuConsole *s, int ydelta)
608 {
609 int i, y1;
610
611 if (ydelta > 0) {
612 for(i = 0; i < ydelta; i++) {
613 if (s->y_displayed == s->y_base)
614 break;
615 if (++s->y_displayed == s->total_height)
616 s->y_displayed = 0;
617 }
618 } else {
619 ydelta = -ydelta;
620 i = s->backscroll_height;
621 if (i > s->total_height - s->height)
622 i = s->total_height - s->height;
623 y1 = s->y_base - i;
624 if (y1 < 0)
625 y1 += s->total_height;
626 for(i = 0; i < ydelta; i++) {
627 if (s->y_displayed == y1)
628 break;
629 if (--s->y_displayed < 0)
630 s->y_displayed = s->total_height - 1;
631 }
632 }
633 console_refresh(s);
634 }
635
636 static void console_put_lf(QemuConsole *s)
637 {
638 TextCell *c;
639 int x, y1;
640
641 s->y++;
642 if (s->y >= s->height) {
643 s->y = s->height - 1;
644
645 if (s->y_displayed == s->y_base) {
646 if (++s->y_displayed == s->total_height)
647 s->y_displayed = 0;
648 }
649 if (++s->y_base == s->total_height)
650 s->y_base = 0;
651 if (s->backscroll_height < s->total_height)
652 s->backscroll_height++;
653 y1 = (s->y_base + s->height - 1) % s->total_height;
654 c = &s->cells[y1 * s->width];
655 for(x = 0; x < s->width; x++) {
656 c->ch = ' ';
657 c->t_attrib = s->t_attrib_default;
658 c++;
659 }
660 if (s->y_displayed == s->y_base) {
661 if (s->ds->have_text) {
662 s->text_x[0] = 0;
663 s->text_y[0] = 0;
664 s->text_x[1] = s->width - 1;
665 s->text_y[1] = s->height - 1;
666 }
667
668 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
669 s->width * FONT_WIDTH,
670 (s->height - 1) * FONT_HEIGHT);
671 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
672 s->width * FONT_WIDTH, FONT_HEIGHT,
673 color_table_rgb[0][s->t_attrib_default.bgcol]);
674 s->update_x0 = 0;
675 s->update_y0 = 0;
676 s->update_x1 = s->width * FONT_WIDTH;
677 s->update_y1 = s->height * FONT_HEIGHT;
678 }
679 }
680 }
681
682 /* Set console attributes depending on the current escape codes.
683 * NOTE: I know this code is not very efficient (checking every color for it
684 * self) but it is more readable and better maintainable.
685 */
686 static void console_handle_escape(QemuConsole *s)
687 {
688 int i;
689
690 for (i=0; i<s->nb_esc_params; i++) {
691 switch (s->esc_params[i]) {
692 case 0: /* reset all console attributes to default */
693 s->t_attrib = s->t_attrib_default;
694 break;
695 case 1:
696 s->t_attrib.bold = 1;
697 break;
698 case 4:
699 s->t_attrib.uline = 1;
700 break;
701 case 5:
702 s->t_attrib.blink = 1;
703 break;
704 case 7:
705 s->t_attrib.invers = 1;
706 break;
707 case 8:
708 s->t_attrib.unvisible = 1;
709 break;
710 case 22:
711 s->t_attrib.bold = 0;
712 break;
713 case 24:
714 s->t_attrib.uline = 0;
715 break;
716 case 25:
717 s->t_attrib.blink = 0;
718 break;
719 case 27:
720 s->t_attrib.invers = 0;
721 break;
722 case 28:
723 s->t_attrib.unvisible = 0;
724 break;
725 /* set foreground color */
726 case 30:
727 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
728 break;
729 case 31:
730 s->t_attrib.fgcol = QEMU_COLOR_RED;
731 break;
732 case 32:
733 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
734 break;
735 case 33:
736 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
737 break;
738 case 34:
739 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
740 break;
741 case 35:
742 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
743 break;
744 case 36:
745 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
746 break;
747 case 37:
748 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
749 break;
750 /* set background color */
751 case 40:
752 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
753 break;
754 case 41:
755 s->t_attrib.bgcol = QEMU_COLOR_RED;
756 break;
757 case 42:
758 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
759 break;
760 case 43:
761 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
762 break;
763 case 44:
764 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
765 break;
766 case 45:
767 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
768 break;
769 case 46:
770 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
771 break;
772 case 47:
773 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
774 break;
775 }
776 }
777 }
778
779 static void console_clear_xy(QemuConsole *s, int x, int y)
780 {
781 int y1 = (s->y_base + y) % s->total_height;
782 TextCell *c = &s->cells[y1 * s->width + x];
783 c->ch = ' ';
784 c->t_attrib = s->t_attrib_default;
785 update_xy(s, x, y);
786 }
787
788 static void console_put_one(QemuConsole *s, int ch)
789 {
790 TextCell *c;
791 int y1;
792 if (s->x >= s->width) {
793 /* line wrap */
794 s->x = 0;
795 console_put_lf(s);
796 }
797 y1 = (s->y_base + s->y) % s->total_height;
798 c = &s->cells[y1 * s->width + s->x];
799 c->ch = ch;
800 c->t_attrib = s->t_attrib;
801 update_xy(s, s->x, s->y);
802 s->x++;
803 }
804
805 static void console_respond_str(QemuConsole *s, const char *buf)
806 {
807 while (*buf) {
808 console_put_one(s, *buf);
809 buf++;
810 }
811 }
812
813 /* set cursor, checking bounds */
814 static void set_cursor(QemuConsole *s, int x, int y)
815 {
816 if (x < 0) {
817 x = 0;
818 }
819 if (y < 0) {
820 y = 0;
821 }
822 if (y >= s->height) {
823 y = s->height - 1;
824 }
825 if (x >= s->width) {
826 x = s->width - 1;
827 }
828
829 s->x = x;
830 s->y = y;
831 }
832
833 static void console_putchar(QemuConsole *s, int ch)
834 {
835 int i;
836 int x, y;
837 char response[40];
838
839 switch(s->state) {
840 case TTY_STATE_NORM:
841 switch(ch) {
842 case '\r': /* carriage return */
843 s->x = 0;
844 break;
845 case '\n': /* newline */
846 console_put_lf(s);
847 break;
848 case '\b': /* backspace */
849 if (s->x > 0)
850 s->x--;
851 break;
852 case '\t': /* tabspace */
853 if (s->x + (8 - (s->x % 8)) > s->width) {
854 s->x = 0;
855 console_put_lf(s);
856 } else {
857 s->x = s->x + (8 - (s->x % 8));
858 }
859 break;
860 case '\a': /* alert aka. bell */
861 /* TODO: has to be implemented */
862 break;
863 case 14:
864 /* SI (shift in), character set 0 (ignored) */
865 break;
866 case 15:
867 /* SO (shift out), character set 1 (ignored) */
868 break;
869 case 27: /* esc (introducing an escape sequence) */
870 s->state = TTY_STATE_ESC;
871 break;
872 default:
873 console_put_one(s, ch);
874 break;
875 }
876 break;
877 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
878 if (ch == '[') {
879 for(i=0;i<MAX_ESC_PARAMS;i++)
880 s->esc_params[i] = 0;
881 s->nb_esc_params = 0;
882 s->state = TTY_STATE_CSI;
883 } else {
884 s->state = TTY_STATE_NORM;
885 }
886 break;
887 case TTY_STATE_CSI: /* handle escape sequence parameters */
888 if (ch >= '0' && ch <= '9') {
889 if (s->nb_esc_params < MAX_ESC_PARAMS) {
890 int *param = &s->esc_params[s->nb_esc_params];
891 int digit = (ch - '0');
892
893 *param = (*param <= (INT_MAX - digit) / 10) ?
894 *param * 10 + digit : INT_MAX;
895 }
896 } else {
897 if (s->nb_esc_params < MAX_ESC_PARAMS)
898 s->nb_esc_params++;
899 if (ch == ';' || ch == '?') {
900 break;
901 }
902 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
903 ch, s->nb_esc_params);
904 s->state = TTY_STATE_NORM;
905 switch(ch) {
906 case 'A':
907 /* move cursor up */
908 if (s->esc_params[0] == 0) {
909 s->esc_params[0] = 1;
910 }
911 set_cursor(s, s->x, s->y - s->esc_params[0]);
912 break;
913 case 'B':
914 /* move cursor down */
915 if (s->esc_params[0] == 0) {
916 s->esc_params[0] = 1;
917 }
918 set_cursor(s, s->x, s->y + s->esc_params[0]);
919 break;
920 case 'C':
921 /* move cursor right */
922 if (s->esc_params[0] == 0) {
923 s->esc_params[0] = 1;
924 }
925 set_cursor(s, s->x + s->esc_params[0], s->y);
926 break;
927 case 'D':
928 /* move cursor left */
929 if (s->esc_params[0] == 0) {
930 s->esc_params[0] = 1;
931 }
932 set_cursor(s, s->x - s->esc_params[0], s->y);
933 break;
934 case 'G':
935 /* move cursor to column */
936 set_cursor(s, s->esc_params[0] - 1, s->y);
937 break;
938 case 'f':
939 case 'H':
940 /* move cursor to row, column */
941 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
942 break;
943 case 'J':
944 switch (s->esc_params[0]) {
945 case 0:
946 /* clear to end of screen */
947 for (y = s->y; y < s->height; y++) {
948 for (x = 0; x < s->width; x++) {
949 if (y == s->y && x < s->x) {
950 continue;
951 }
952 console_clear_xy(s, x, y);
953 }
954 }
955 break;
956 case 1:
957 /* clear from beginning of screen */
958 for (y = 0; y <= s->y; y++) {
959 for (x = 0; x < s->width; x++) {
960 if (y == s->y && x > s->x) {
961 break;
962 }
963 console_clear_xy(s, x, y);
964 }
965 }
966 break;
967 case 2:
968 /* clear entire screen */
969 for (y = 0; y <= s->height; y++) {
970 for (x = 0; x < s->width; x++) {
971 console_clear_xy(s, x, y);
972 }
973 }
974 break;
975 }
976 break;
977 case 'K':
978 switch (s->esc_params[0]) {
979 case 0:
980 /* clear to eol */
981 for(x = s->x; x < s->width; x++) {
982 console_clear_xy(s, x, s->y);
983 }
984 break;
985 case 1:
986 /* clear from beginning of line */
987 for (x = 0; x <= s->x; x++) {
988 console_clear_xy(s, x, s->y);
989 }
990 break;
991 case 2:
992 /* clear entire line */
993 for(x = 0; x < s->width; x++) {
994 console_clear_xy(s, x, s->y);
995 }
996 break;
997 }
998 break;
999 case 'm':
1000 console_handle_escape(s);
1001 break;
1002 case 'n':
1003 switch (s->esc_params[0]) {
1004 case 5:
1005 /* report console status (always succeed)*/
1006 console_respond_str(s, "\033[0n");
1007 break;
1008 case 6:
1009 /* report cursor position */
1010 sprintf(response, "\033[%d;%dR",
1011 (s->y_base + s->y) % s->total_height + 1,
1012 s->x + 1);
1013 console_respond_str(s, response);
1014 break;
1015 }
1016 break;
1017 case 's':
1018 /* save cursor position */
1019 s->x_saved = s->x;
1020 s->y_saved = s->y;
1021 break;
1022 case 'u':
1023 /* restore cursor position */
1024 s->x = s->x_saved;
1025 s->y = s->y_saved;
1026 break;
1027 default:
1028 trace_console_putchar_unhandled(ch);
1029 break;
1030 }
1031 break;
1032 }
1033 }
1034 }
1035
1036 void console_select(unsigned int index)
1037 {
1038 DisplayChangeListener *dcl;
1039 QemuConsole *s;
1040
1041 trace_console_select(index);
1042 s = qemu_console_lookup_by_index(index);
1043 if (s) {
1044 DisplayState *ds = s->ds;
1045
1046 active_console = s;
1047 if (ds->have_gfx) {
1048 QLIST_FOREACH(dcl, &ds->listeners, next) {
1049 if (dcl->con != NULL) {
1050 continue;
1051 }
1052 if (dcl->ops->dpy_gfx_switch) {
1053 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1054 }
1055 }
1056 if (s->surface) {
1057 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1058 surface_height(s->surface));
1059 }
1060 }
1061 if (ds->have_text) {
1062 dpy_text_resize(s, s->width, s->height);
1063 }
1064 text_console_update_cursor(NULL);
1065 }
1066 }
1067
1068 typedef struct VCChardev {
1069 Chardev parent;
1070 QemuConsole *console;
1071 } VCChardev;
1072
1073 #define TYPE_CHARDEV_VC "chardev-vc"
1074 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
1075
1076 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1077 {
1078 VCChardev *drv = VC_CHARDEV(chr);
1079 QemuConsole *s = drv->console;
1080 int i;
1081
1082 if (!s->ds) {
1083 return 0;
1084 }
1085
1086 s->update_x0 = s->width * FONT_WIDTH;
1087 s->update_y0 = s->height * FONT_HEIGHT;
1088 s->update_x1 = 0;
1089 s->update_y1 = 0;
1090 console_show_cursor(s, 0);
1091 for(i = 0; i < len; i++) {
1092 console_putchar(s, buf[i]);
1093 }
1094 console_show_cursor(s, 1);
1095 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1096 dpy_gfx_update(s, s->update_x0, s->update_y0,
1097 s->update_x1 - s->update_x0,
1098 s->update_y1 - s->update_y0);
1099 }
1100 return len;
1101 }
1102
1103 static void kbd_send_chars(void *opaque)
1104 {
1105 QemuConsole *s = opaque;
1106 int len;
1107 uint8_t buf[16];
1108
1109 len = qemu_chr_be_can_write(s->chr);
1110 if (len > s->out_fifo.count)
1111 len = s->out_fifo.count;
1112 if (len > 0) {
1113 if (len > sizeof(buf))
1114 len = sizeof(buf);
1115 qemu_fifo_read(&s->out_fifo, buf, len);
1116 qemu_chr_be_write(s->chr, buf, len);
1117 }
1118 /* characters are pending: we send them a bit later (XXX:
1119 horrible, should change char device API) */
1120 if (s->out_fifo.count > 0) {
1121 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1122 }
1123 }
1124
1125 /* called when an ascii key is pressed */
1126 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1127 {
1128 uint8_t buf[16], *q;
1129 CharBackend *be;
1130 int c;
1131
1132 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1133 return;
1134
1135 switch(keysym) {
1136 case QEMU_KEY_CTRL_UP:
1137 console_scroll(s, -1);
1138 break;
1139 case QEMU_KEY_CTRL_DOWN:
1140 console_scroll(s, 1);
1141 break;
1142 case QEMU_KEY_CTRL_PAGEUP:
1143 console_scroll(s, -10);
1144 break;
1145 case QEMU_KEY_CTRL_PAGEDOWN:
1146 console_scroll(s, 10);
1147 break;
1148 default:
1149 /* convert the QEMU keysym to VT100 key string */
1150 q = buf;
1151 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1152 *q++ = '\033';
1153 *q++ = '[';
1154 c = keysym - 0xe100;
1155 if (c >= 10)
1156 *q++ = '0' + (c / 10);
1157 *q++ = '0' + (c % 10);
1158 *q++ = '~';
1159 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1160 *q++ = '\033';
1161 *q++ = '[';
1162 *q++ = keysym & 0xff;
1163 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1164 vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
1165 *q++ = '\n';
1166 } else {
1167 *q++ = keysym;
1168 }
1169 if (s->echo) {
1170 vc_chr_write(s->chr, buf, q - buf);
1171 }
1172 be = s->chr->be;
1173 if (be && be->chr_read) {
1174 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1175 kbd_send_chars(s);
1176 }
1177 break;
1178 }
1179 }
1180
1181 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1182 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1183 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1184 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1185 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1186 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1187 [Q_KEY_CODE_END] = QEMU_KEY_END,
1188 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1189 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1190 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1191 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1192 };
1193
1194 bool kbd_put_qcode_console(QemuConsole *s, int qcode)
1195 {
1196 int keysym;
1197
1198 keysym = qcode_to_keysym[qcode];
1199 if (keysym == 0) {
1200 return false;
1201 }
1202 kbd_put_keysym_console(s, keysym);
1203 return true;
1204 }
1205
1206 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1207 {
1208 int i;
1209
1210 for (i = 0; i < len && str[i]; i++) {
1211 kbd_put_keysym_console(s, str[i]);
1212 }
1213 }
1214
1215 void kbd_put_keysym(int keysym)
1216 {
1217 kbd_put_keysym_console(active_console, keysym);
1218 }
1219
1220 static void text_console_invalidate(void *opaque)
1221 {
1222 QemuConsole *s = (QemuConsole *) opaque;
1223
1224 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1225 text_console_resize(s);
1226 }
1227 console_refresh(s);
1228 }
1229
1230 static void text_console_update(void *opaque, console_ch_t *chardata)
1231 {
1232 QemuConsole *s = (QemuConsole *) opaque;
1233 int i, j, src;
1234
1235 if (s->text_x[0] <= s->text_x[1]) {
1236 src = (s->y_base + s->text_y[0]) * s->width;
1237 chardata += s->text_y[0] * s->width;
1238 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1239 for (j = 0; j < s->width; j++, src++) {
1240 console_write_ch(chardata ++,
1241 ATTR2CHTYPE(s->cells[src].ch,
1242 s->cells[src].t_attrib.fgcol,
1243 s->cells[src].t_attrib.bgcol,
1244 s->cells[src].t_attrib.bold));
1245 }
1246 dpy_text_update(s, s->text_x[0], s->text_y[0],
1247 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1248 s->text_x[0] = s->width;
1249 s->text_y[0] = s->height;
1250 s->text_x[1] = 0;
1251 s->text_y[1] = 0;
1252 }
1253 if (s->cursor_invalidate) {
1254 dpy_text_cursor(s, s->x, s->y);
1255 s->cursor_invalidate = 0;
1256 }
1257 }
1258
1259 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1260 uint32_t head)
1261 {
1262 Object *obj;
1263 QemuConsole *s;
1264 int i;
1265
1266 obj = object_new(TYPE_QEMU_CONSOLE);
1267 s = QEMU_CONSOLE(obj);
1268 s->head = head;
1269 object_property_add_link(obj, "device", TYPE_DEVICE,
1270 (Object **)&s->device,
1271 object_property_allow_set_link,
1272 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1273 &error_abort);
1274 object_property_add_uint32_ptr(obj, "head",
1275 &s->head, &error_abort);
1276
1277 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1278 (console_type == GRAPHIC_CONSOLE))) {
1279 active_console = s;
1280 }
1281 s->ds = ds;
1282 s->console_type = console_type;
1283
1284 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
1285 if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) {
1286 s->index = nb_consoles;
1287 consoles[nb_consoles++] = s;
1288 } else {
1289 /*
1290 * HACK: Put graphical consoles before text consoles.
1291 *
1292 * Only do that for coldplugged devices. After initial device
1293 * initialization we will not renumber the consoles any more.
1294 */
1295 for (i = nb_consoles; i > 0; i--) {
1296 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1297 break;
1298 consoles[i] = consoles[i - 1];
1299 consoles[i]->index = i;
1300 }
1301 s->index = i;
1302 consoles[i] = s;
1303 nb_consoles++;
1304 }
1305 return s;
1306 }
1307
1308 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1309 {
1310 qemu_pixman_image_unref(surface->image);
1311 surface->image = NULL;
1312
1313 surface->format = PIXMAN_x8r8g8b8;
1314 surface->image = pixman_image_create_bits(surface->format,
1315 width, height,
1316 NULL, width * 4);
1317 assert(surface->image != NULL);
1318
1319 surface->flags = QEMU_ALLOCATED_FLAG;
1320 }
1321
1322 DisplaySurface *qemu_create_displaysurface(int width, int height)
1323 {
1324 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1325
1326 trace_displaysurface_create(surface, width, height);
1327 qemu_alloc_display(surface, width, height);
1328 return surface;
1329 }
1330
1331 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1332 pixman_format_code_t format,
1333 int linesize, uint8_t *data)
1334 {
1335 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1336
1337 trace_displaysurface_create_from(surface, width, height, format);
1338 surface->format = format;
1339 surface->image = pixman_image_create_bits(surface->format,
1340 width, height,
1341 (void *)data, linesize);
1342 assert(surface->image != NULL);
1343
1344 return surface;
1345 }
1346
1347 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1348 {
1349 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1350
1351 trace_displaysurface_create_pixman(surface);
1352 surface->format = pixman_image_get_format(image);
1353 surface->image = pixman_image_ref(image);
1354
1355 return surface;
1356 }
1357
1358 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image,
1359 void *unused)
1360 {
1361 void *data = pixman_image_get_data(image);
1362 uint32_t size = pixman_image_get_stride(image) *
1363 pixman_image_get_height(image);
1364 cpu_physical_memory_unmap(data, size, 0, 0);
1365 }
1366
1367 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
1368 pixman_format_code_t format,
1369 int linesize, uint64_t addr)
1370 {
1371 DisplaySurface *surface;
1372 hwaddr size;
1373 void *data;
1374
1375 if (linesize == 0) {
1376 linesize = width * PIXMAN_FORMAT_BPP(format) / 8;
1377 }
1378
1379 size = (hwaddr)linesize * height;
1380 data = cpu_physical_memory_map(addr, &size, 0);
1381 if (size != (hwaddr)linesize * height) {
1382 cpu_physical_memory_unmap(data, size, 0, 0);
1383 return NULL;
1384 }
1385
1386 surface = qemu_create_displaysurface_from
1387 (width, height, format, linesize, data);
1388 pixman_image_set_destroy_function
1389 (surface->image, qemu_unmap_displaysurface_guestmem, NULL);
1390
1391 return surface;
1392 }
1393
1394 DisplaySurface *qemu_create_message_surface(int w, int h,
1395 const char *msg)
1396 {
1397 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1398 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1399 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1400 pixman_image_t *glyph;
1401 int len, x, y, i;
1402
1403 len = strlen(msg);
1404 x = (w / FONT_WIDTH - len) / 2;
1405 y = (h / FONT_HEIGHT - 1) / 2;
1406 for (i = 0; i < len; i++) {
1407 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1408 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1409 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1410 qemu_pixman_image_unref(glyph);
1411 }
1412 return surface;
1413 }
1414
1415 void qemu_free_displaysurface(DisplaySurface *surface)
1416 {
1417 if (surface == NULL) {
1418 return;
1419 }
1420 trace_displaysurface_free(surface);
1421 qemu_pixman_image_unref(surface->image);
1422 g_free(surface);
1423 }
1424
1425 bool console_has_gl(QemuConsole *con)
1426 {
1427 return con->gl != NULL;
1428 }
1429
1430 bool console_has_gl_dmabuf(QemuConsole *con)
1431 {
1432 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL;
1433 }
1434
1435 void register_displaychangelistener(DisplayChangeListener *dcl)
1436 {
1437 static const char nodev[] =
1438 "This VM has no graphic display device.";
1439 static DisplaySurface *dummy;
1440 QemuConsole *con;
1441
1442 assert(!dcl->ds);
1443
1444 if (dcl->ops->dpy_gl_ctx_create) {
1445 /* display has opengl support */
1446 assert(dcl->con);
1447 if (dcl->con->gl) {
1448 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1449 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1450 exit(1);
1451 }
1452 dcl->con->gl = dcl;
1453 }
1454
1455 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1456 dcl->ds = get_alloc_displaystate();
1457 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1458 gui_setup_refresh(dcl->ds);
1459 if (dcl->con) {
1460 dcl->con->dcls++;
1461 con = dcl->con;
1462 } else {
1463 con = active_console;
1464 }
1465 if (dcl->ops->dpy_gfx_switch) {
1466 if (con) {
1467 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1468 } else {
1469 if (!dummy) {
1470 dummy = qemu_create_message_surface(640, 480, nodev);
1471 }
1472 dcl->ops->dpy_gfx_switch(dcl, dummy);
1473 }
1474 }
1475 text_console_update_cursor(NULL);
1476 }
1477
1478 void update_displaychangelistener(DisplayChangeListener *dcl,
1479 uint64_t interval)
1480 {
1481 DisplayState *ds = dcl->ds;
1482
1483 dcl->update_interval = interval;
1484 if (!ds->refreshing && ds->update_interval > interval) {
1485 timer_mod(ds->gui_timer, ds->last_update + interval);
1486 }
1487 }
1488
1489 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1490 {
1491 DisplayState *ds = dcl->ds;
1492 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1493 if (dcl->con) {
1494 dcl->con->dcls--;
1495 }
1496 QLIST_REMOVE(dcl, next);
1497 dcl->ds = NULL;
1498 gui_setup_refresh(ds);
1499 }
1500
1501 static void dpy_set_ui_info_timer(void *opaque)
1502 {
1503 QemuConsole *con = opaque;
1504
1505 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1506 }
1507
1508 bool dpy_ui_info_supported(QemuConsole *con)
1509 {
1510 return con->hw_ops->ui_info != NULL;
1511 }
1512
1513 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1514 {
1515 assert(con != NULL);
1516
1517 if (!dpy_ui_info_supported(con)) {
1518 return -1;
1519 }
1520 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1521 /* nothing changed -- ignore */
1522 return 0;
1523 }
1524
1525 /*
1526 * Typically we get a flood of these as the user resizes the window.
1527 * Wait until the dust has settled (one second without updates), then
1528 * go notify the guest.
1529 */
1530 con->ui_info = *info;
1531 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1532 return 0;
1533 }
1534
1535 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1536 {
1537 DisplayState *s = con->ds;
1538 DisplayChangeListener *dcl;
1539 int width = w;
1540 int height = h;
1541
1542 if (con->surface) {
1543 width = surface_width(con->surface);
1544 height = surface_height(con->surface);
1545 }
1546 x = MAX(x, 0);
1547 y = MAX(y, 0);
1548 x = MIN(x, width);
1549 y = MIN(y, height);
1550 w = MIN(w, width - x);
1551 h = MIN(h, height - y);
1552
1553 if (!qemu_console_is_visible(con)) {
1554 return;
1555 }
1556 QLIST_FOREACH(dcl, &s->listeners, next) {
1557 if (con != (dcl->con ? dcl->con : active_console)) {
1558 continue;
1559 }
1560 if (dcl->ops->dpy_gfx_update) {
1561 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1562 }
1563 }
1564 }
1565
1566 void dpy_gfx_replace_surface(QemuConsole *con,
1567 DisplaySurface *surface)
1568 {
1569 DisplayState *s = con->ds;
1570 DisplaySurface *old_surface = con->surface;
1571 DisplayChangeListener *dcl;
1572
1573 assert(old_surface != surface || surface == NULL);
1574
1575 con->surface = surface;
1576 QLIST_FOREACH(dcl, &s->listeners, next) {
1577 if (con != (dcl->con ? dcl->con : active_console)) {
1578 continue;
1579 }
1580 if (dcl->ops->dpy_gfx_switch) {
1581 dcl->ops->dpy_gfx_switch(dcl, surface);
1582 }
1583 }
1584 qemu_free_displaysurface(old_surface);
1585 }
1586
1587 bool dpy_gfx_check_format(QemuConsole *con,
1588 pixman_format_code_t format)
1589 {
1590 DisplayChangeListener *dcl;
1591 DisplayState *s = con->ds;
1592
1593 QLIST_FOREACH(dcl, &s->listeners, next) {
1594 if (dcl->con && dcl->con != con) {
1595 /* dcl bound to another console -> skip */
1596 continue;
1597 }
1598 if (dcl->ops->dpy_gfx_check_format) {
1599 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1600 return false;
1601 }
1602 } else {
1603 /* default is to whitelist native 32 bpp only */
1604 if (format != qemu_default_pixman_format(32, true)) {
1605 return false;
1606 }
1607 }
1608 }
1609 return true;
1610 }
1611
1612 static void dpy_refresh(DisplayState *s)
1613 {
1614 DisplayChangeListener *dcl;
1615
1616 QLIST_FOREACH(dcl, &s->listeners, next) {
1617 if (dcl->ops->dpy_refresh) {
1618 dcl->ops->dpy_refresh(dcl);
1619 }
1620 }
1621 }
1622
1623 void dpy_text_cursor(QemuConsole *con, int x, int y)
1624 {
1625 DisplayState *s = con->ds;
1626 DisplayChangeListener *dcl;
1627
1628 if (!qemu_console_is_visible(con)) {
1629 return;
1630 }
1631 QLIST_FOREACH(dcl, &s->listeners, next) {
1632 if (con != (dcl->con ? dcl->con : active_console)) {
1633 continue;
1634 }
1635 if (dcl->ops->dpy_text_cursor) {
1636 dcl->ops->dpy_text_cursor(dcl, x, y);
1637 }
1638 }
1639 }
1640
1641 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1642 {
1643 DisplayState *s = con->ds;
1644 DisplayChangeListener *dcl;
1645
1646 if (!qemu_console_is_visible(con)) {
1647 return;
1648 }
1649 QLIST_FOREACH(dcl, &s->listeners, next) {
1650 if (con != (dcl->con ? dcl->con : active_console)) {
1651 continue;
1652 }
1653 if (dcl->ops->dpy_text_update) {
1654 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1655 }
1656 }
1657 }
1658
1659 void dpy_text_resize(QemuConsole *con, int w, int h)
1660 {
1661 DisplayState *s = con->ds;
1662 DisplayChangeListener *dcl;
1663
1664 if (!qemu_console_is_visible(con)) {
1665 return;
1666 }
1667 QLIST_FOREACH(dcl, &s->listeners, next) {
1668 if (con != (dcl->con ? dcl->con : active_console)) {
1669 continue;
1670 }
1671 if (dcl->ops->dpy_text_resize) {
1672 dcl->ops->dpy_text_resize(dcl, w, h);
1673 }
1674 }
1675 }
1676
1677 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1678 {
1679 DisplayState *s = con->ds;
1680 DisplayChangeListener *dcl;
1681
1682 if (!qemu_console_is_visible(con)) {
1683 return;
1684 }
1685 QLIST_FOREACH(dcl, &s->listeners, next) {
1686 if (con != (dcl->con ? dcl->con : active_console)) {
1687 continue;
1688 }
1689 if (dcl->ops->dpy_mouse_set) {
1690 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1691 }
1692 }
1693 }
1694
1695 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1696 {
1697 DisplayState *s = con->ds;
1698 DisplayChangeListener *dcl;
1699
1700 if (!qemu_console_is_visible(con)) {
1701 return;
1702 }
1703 QLIST_FOREACH(dcl, &s->listeners, next) {
1704 if (con != (dcl->con ? dcl->con : active_console)) {
1705 continue;
1706 }
1707 if (dcl->ops->dpy_cursor_define) {
1708 dcl->ops->dpy_cursor_define(dcl, cursor);
1709 }
1710 }
1711 }
1712
1713 bool dpy_cursor_define_supported(QemuConsole *con)
1714 {
1715 DisplayState *s = con->ds;
1716 DisplayChangeListener *dcl;
1717
1718 QLIST_FOREACH(dcl, &s->listeners, next) {
1719 if (dcl->ops->dpy_cursor_define) {
1720 return true;
1721 }
1722 }
1723 return false;
1724 }
1725
1726 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1727 struct QEMUGLParams *qparams)
1728 {
1729 assert(con->gl);
1730 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1731 }
1732
1733 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1734 {
1735 assert(con->gl);
1736 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1737 }
1738
1739 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1740 {
1741 assert(con->gl);
1742 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1743 }
1744
1745 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1746 {
1747 assert(con->gl);
1748 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1749 }
1750
1751 void dpy_gl_scanout_disable(QemuConsole *con)
1752 {
1753 assert(con->gl);
1754 if (con->gl->ops->dpy_gl_scanout_disable) {
1755 con->gl->ops->dpy_gl_scanout_disable(con->gl);
1756 } else {
1757 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0,
1758 0, 0, 0, 0);
1759 }
1760 }
1761
1762 void dpy_gl_scanout_texture(QemuConsole *con,
1763 uint32_t backing_id,
1764 bool backing_y_0_top,
1765 uint32_t backing_width,
1766 uint32_t backing_height,
1767 uint32_t x, uint32_t y,
1768 uint32_t width, uint32_t height)
1769 {
1770 assert(con->gl);
1771 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id,
1772 backing_y_0_top,
1773 backing_width, backing_height,
1774 x, y, width, height);
1775 }
1776
1777 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1778 QemuDmaBuf *dmabuf)
1779 {
1780 assert(con->gl);
1781 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf);
1782 }
1783
1784 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
1785 bool have_hot, uint32_t hot_x, uint32_t hot_y)
1786 {
1787 assert(con->gl);
1788
1789 if (con->gl->ops->dpy_gl_cursor_dmabuf) {
1790 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf,
1791 have_hot, hot_x, hot_y);
1792 }
1793 }
1794
1795 void dpy_gl_cursor_position(QemuConsole *con,
1796 uint32_t pos_x, uint32_t pos_y)
1797 {
1798 assert(con->gl);
1799
1800 if (con->gl->ops->dpy_gl_cursor_position) {
1801 con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y);
1802 }
1803 }
1804
1805 void dpy_gl_release_dmabuf(QemuConsole *con,
1806 QemuDmaBuf *dmabuf)
1807 {
1808 assert(con->gl);
1809
1810 if (con->gl->ops->dpy_gl_release_dmabuf) {
1811 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf);
1812 }
1813 }
1814
1815 void dpy_gl_update(QemuConsole *con,
1816 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1817 {
1818 assert(con->gl);
1819 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1820 }
1821
1822 /***********************************************************/
1823 /* register display */
1824
1825 /* console.c internal use only */
1826 static DisplayState *get_alloc_displaystate(void)
1827 {
1828 if (!display_state) {
1829 display_state = g_new0(DisplayState, 1);
1830 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1831 text_console_update_cursor, NULL);
1832 }
1833 return display_state;
1834 }
1835
1836 /*
1837 * Called by main(), after creating QemuConsoles
1838 * and before initializing ui (sdl/vnc/...).
1839 */
1840 DisplayState *init_displaystate(void)
1841 {
1842 gchar *name;
1843 int i;
1844
1845 get_alloc_displaystate();
1846 for (i = 0; i < nb_consoles; i++) {
1847 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1848 consoles[i]->ds == NULL) {
1849 text_console_do_init(consoles[i]->chr, display_state);
1850 }
1851
1852 /* Hook up into the qom tree here (not in new_console()), once
1853 * all QemuConsoles are created and the order / numbering
1854 * doesn't change any more */
1855 name = g_strdup_printf("console[%d]", i);
1856 object_property_add_child(container_get(object_get_root(), "/backend"),
1857 name, OBJECT(consoles[i]), &error_abort);
1858 g_free(name);
1859 }
1860
1861 return display_state;
1862 }
1863
1864 void graphic_console_set_hwops(QemuConsole *con,
1865 const GraphicHwOps *hw_ops,
1866 void *opaque)
1867 {
1868 con->hw_ops = hw_ops;
1869 con->hw = opaque;
1870 }
1871
1872 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1873 const GraphicHwOps *hw_ops,
1874 void *opaque)
1875 {
1876 static const char noinit[] =
1877 "Guest has not initialized the display (yet).";
1878 int width = 640;
1879 int height = 480;
1880 QemuConsole *s;
1881 DisplayState *ds;
1882 DisplaySurface *surface;
1883
1884 ds = get_alloc_displaystate();
1885 s = qemu_console_lookup_unused();
1886 if (s) {
1887 trace_console_gfx_reuse(s->index);
1888 if (s->surface) {
1889 width = surface_width(s->surface);
1890 height = surface_height(s->surface);
1891 }
1892 } else {
1893 trace_console_gfx_new();
1894 s = new_console(ds, GRAPHIC_CONSOLE, head);
1895 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1896 dpy_set_ui_info_timer, s);
1897 }
1898 graphic_console_set_hwops(s, hw_ops, opaque);
1899 if (dev) {
1900 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1901 &error_abort);
1902 }
1903
1904 surface = qemu_create_message_surface(width, height, noinit);
1905 dpy_gfx_replace_surface(s, surface);
1906 return s;
1907 }
1908
1909 static const GraphicHwOps unused_ops = {
1910 /* no callbacks */
1911 };
1912
1913 void graphic_console_close(QemuConsole *con)
1914 {
1915 static const char unplugged[] =
1916 "Guest display has been unplugged";
1917 DisplaySurface *surface;
1918 int width = 640;
1919 int height = 480;
1920
1921 if (con->surface) {
1922 width = surface_width(con->surface);
1923 height = surface_height(con->surface);
1924 }
1925
1926 trace_console_gfx_close(con->index);
1927 object_property_set_link(OBJECT(con), NULL, "device", &error_abort);
1928 graphic_console_set_hwops(con, &unused_ops, NULL);
1929
1930 if (con->gl) {
1931 dpy_gl_scanout_disable(con);
1932 }
1933 surface = qemu_create_message_surface(width, height, unplugged);
1934 dpy_gfx_replace_surface(con, surface);
1935 }
1936
1937 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1938 {
1939 if (index >= nb_consoles) {
1940 return NULL;
1941 }
1942 return consoles[index];
1943 }
1944
1945 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1946 {
1947 Object *obj;
1948 uint32_t h;
1949 int i;
1950
1951 for (i = 0; i < nb_consoles; i++) {
1952 if (!consoles[i]) {
1953 continue;
1954 }
1955 obj = object_property_get_link(OBJECT(consoles[i]),
1956 "device", &error_abort);
1957 if (DEVICE(obj) != dev) {
1958 continue;
1959 }
1960 h = object_property_get_uint(OBJECT(consoles[i]),
1961 "head", &error_abort);
1962 if (h != head) {
1963 continue;
1964 }
1965 return consoles[i];
1966 }
1967 return NULL;
1968 }
1969
1970 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
1971 uint32_t head, Error **errp)
1972 {
1973 DeviceState *dev;
1974 QemuConsole *con;
1975
1976 dev = qdev_find_recursive(sysbus_get_default(), device_id);
1977 if (dev == NULL) {
1978 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
1979 "Device '%s' not found", device_id);
1980 return NULL;
1981 }
1982
1983 con = qemu_console_lookup_by_device(dev, head);
1984 if (con == NULL) {
1985 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
1986 device_id, head);
1987 return NULL;
1988 }
1989
1990 return con;
1991 }
1992
1993 QemuConsole *qemu_console_lookup_unused(void)
1994 {
1995 Object *obj;
1996 int i;
1997
1998 for (i = 0; i < nb_consoles; i++) {
1999 if (!consoles[i]) {
2000 continue;
2001 }
2002 if (consoles[i]->hw_ops != &unused_ops) {
2003 continue;
2004 }
2005 obj = object_property_get_link(OBJECT(consoles[i]),
2006 "device", &error_abort);
2007 if (obj != NULL) {
2008 continue;
2009 }
2010 return consoles[i];
2011 }
2012 return NULL;
2013 }
2014
2015 bool qemu_console_is_visible(QemuConsole *con)
2016 {
2017 return (con == active_console) || (con->dcls > 0);
2018 }
2019
2020 bool qemu_console_is_graphic(QemuConsole *con)
2021 {
2022 if (con == NULL) {
2023 con = active_console;
2024 }
2025 return con && (con->console_type == GRAPHIC_CONSOLE);
2026 }
2027
2028 bool qemu_console_is_fixedsize(QemuConsole *con)
2029 {
2030 if (con == NULL) {
2031 con = active_console;
2032 }
2033 return con && (con->console_type != TEXT_CONSOLE);
2034 }
2035
2036 bool qemu_console_is_gl_blocked(QemuConsole *con)
2037 {
2038 assert(con != NULL);
2039 return con->gl_block;
2040 }
2041
2042 char *qemu_console_get_label(QemuConsole *con)
2043 {
2044 if (con->console_type == GRAPHIC_CONSOLE) {
2045 if (con->device) {
2046 return g_strdup(object_get_typename(con->device));
2047 }
2048 return g_strdup("VGA");
2049 } else {
2050 if (con->chr && con->chr->label) {
2051 return g_strdup(con->chr->label);
2052 }
2053 return g_strdup_printf("vc%d", con->index);
2054 }
2055 }
2056
2057 int qemu_console_get_index(QemuConsole *con)
2058 {
2059 if (con == NULL) {
2060 con = active_console;
2061 }
2062 return con ? con->index : -1;
2063 }
2064
2065 uint32_t qemu_console_get_head(QemuConsole *con)
2066 {
2067 if (con == NULL) {
2068 con = active_console;
2069 }
2070 return con ? con->head : -1;
2071 }
2072
2073 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
2074 {
2075 assert(con != NULL);
2076 return &con->ui_info;
2077 }
2078
2079 int qemu_console_get_width(QemuConsole *con, int fallback)
2080 {
2081 if (con == NULL) {
2082 con = active_console;
2083 }
2084 return con ? surface_width(con->surface) : fallback;
2085 }
2086
2087 int qemu_console_get_height(QemuConsole *con, int fallback)
2088 {
2089 if (con == NULL) {
2090 con = active_console;
2091 }
2092 return con ? surface_height(con->surface) : fallback;
2093 }
2094
2095 static void vc_chr_set_echo(Chardev *chr, bool echo)
2096 {
2097 VCChardev *drv = VC_CHARDEV(chr);
2098 QemuConsole *s = drv->console;
2099
2100 s->echo = echo;
2101 }
2102
2103 static void text_console_update_cursor_timer(void)
2104 {
2105 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
2106 + CONSOLE_CURSOR_PERIOD / 2);
2107 }
2108
2109 static void text_console_update_cursor(void *opaque)
2110 {
2111 QemuConsole *s;
2112 int i, count = 0;
2113
2114 cursor_visible_phase = !cursor_visible_phase;
2115
2116 for (i = 0; i < nb_consoles; i++) {
2117 s = consoles[i];
2118 if (qemu_console_is_graphic(s) ||
2119 !qemu_console_is_visible(s)) {
2120 continue;
2121 }
2122 count++;
2123 graphic_hw_invalidate(s);
2124 }
2125
2126 if (count) {
2127 text_console_update_cursor_timer();
2128 }
2129 }
2130
2131 static const GraphicHwOps text_console_ops = {
2132 .invalidate = text_console_invalidate,
2133 .text_update = text_console_update,
2134 };
2135
2136 static void text_console_do_init(Chardev *chr, DisplayState *ds)
2137 {
2138 VCChardev *drv = VC_CHARDEV(chr);
2139 QemuConsole *s = drv->console;
2140 int g_width = 80 * FONT_WIDTH;
2141 int g_height = 24 * FONT_HEIGHT;
2142
2143 s->out_fifo.buf = s->out_fifo_buf;
2144 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
2145 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
2146 s->ds = ds;
2147
2148 s->y_displayed = 0;
2149 s->y_base = 0;
2150 s->total_height = DEFAULT_BACKSCROLL;
2151 s->x = 0;
2152 s->y = 0;
2153 if (!s->surface) {
2154 if (active_console && active_console->surface) {
2155 g_width = surface_width(active_console->surface);
2156 g_height = surface_height(active_console->surface);
2157 }
2158 s->surface = qemu_create_displaysurface(g_width, g_height);
2159 }
2160
2161 s->hw_ops = &text_console_ops;
2162 s->hw = s;
2163
2164 /* Set text attribute defaults */
2165 s->t_attrib_default.bold = 0;
2166 s->t_attrib_default.uline = 0;
2167 s->t_attrib_default.blink = 0;
2168 s->t_attrib_default.invers = 0;
2169 s->t_attrib_default.unvisible = 0;
2170 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2171 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2172 /* set current text attributes to default */
2173 s->t_attrib = s->t_attrib_default;
2174 text_console_resize(s);
2175
2176 if (chr->label) {
2177 char msg[128];
2178 int len;
2179
2180 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2181 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
2182 vc_chr_write(chr, (uint8_t *)msg, len);
2183 s->t_attrib = s->t_attrib_default;
2184 }
2185
2186 qemu_chr_be_event(chr, CHR_EVENT_OPENED);
2187 }
2188
2189 static void vc_chr_open(Chardev *chr,
2190 ChardevBackend *backend,
2191 bool *be_opened,
2192 Error **errp)
2193 {
2194 ChardevVC *vc = backend->u.vc.data;
2195 VCChardev *drv = VC_CHARDEV(chr);
2196 QemuConsole *s;
2197 unsigned width = 0;
2198 unsigned height = 0;
2199
2200 if (vc->has_width) {
2201 width = vc->width;
2202 } else if (vc->has_cols) {
2203 width = vc->cols * FONT_WIDTH;
2204 }
2205
2206 if (vc->has_height) {
2207 height = vc->height;
2208 } else if (vc->has_rows) {
2209 height = vc->rows * FONT_HEIGHT;
2210 }
2211
2212 trace_console_txt_new(width, height);
2213 if (width == 0 || height == 0) {
2214 s = new_console(NULL, TEXT_CONSOLE, 0);
2215 } else {
2216 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2217 s->surface = qemu_create_displaysurface(width, height);
2218 }
2219
2220 if (!s) {
2221 error_setg(errp, "cannot create text console");
2222 return;
2223 }
2224
2225 s->chr = chr;
2226 drv->console = s;
2227
2228 if (display_state) {
2229 text_console_do_init(chr, display_state);
2230 }
2231
2232 /* console/chardev init sometimes completes elsewhere in a 2nd
2233 * stage, so defer OPENED events until they are fully initialized
2234 */
2235 *be_opened = false;
2236 }
2237
2238 void qemu_console_resize(QemuConsole *s, int width, int height)
2239 {
2240 DisplaySurface *surface;
2241
2242 assert(s->console_type == GRAPHIC_CONSOLE);
2243
2244 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) &&
2245 pixman_image_get_width(s->surface->image) == width &&
2246 pixman_image_get_height(s->surface->image) == height) {
2247 return;
2248 }
2249
2250 surface = qemu_create_displaysurface(width, height);
2251 dpy_gfx_replace_surface(s, surface);
2252 }
2253
2254 DisplaySurface *qemu_console_surface(QemuConsole *console)
2255 {
2256 return console->surface;
2257 }
2258
2259 PixelFormat qemu_default_pixelformat(int bpp)
2260 {
2261 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2262 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2263 return pf;
2264 }
2265
2266 static QemuDisplay *dpys[DISPLAY_TYPE__MAX];
2267
2268 void qemu_display_register(QemuDisplay *ui)
2269 {
2270 assert(ui->type < DISPLAY_TYPE__MAX);
2271 dpys[ui->type] = ui;
2272 }
2273
2274 bool qemu_display_find_default(DisplayOptions *opts)
2275 {
2276 static DisplayType prio[] = {
2277 DISPLAY_TYPE_GTK,
2278 DISPLAY_TYPE_SDL,
2279 DISPLAY_TYPE_COCOA
2280 };
2281 int i;
2282
2283 for (i = 0; i < ARRAY_SIZE(prio); i++) {
2284 if (dpys[prio[i]] == NULL) {
2285 ui_module_load_one(DisplayType_lookup.array[prio[i]]);
2286 }
2287 if (dpys[prio[i]] == NULL) {
2288 continue;
2289 }
2290 opts->type = prio[i];
2291 return true;
2292 }
2293 return false;
2294 }
2295
2296 void qemu_display_early_init(DisplayOptions *opts)
2297 {
2298 assert(opts->type < DISPLAY_TYPE__MAX);
2299 if (opts->type == DISPLAY_TYPE_NONE) {
2300 return;
2301 }
2302 if (dpys[opts->type] == NULL) {
2303 ui_module_load_one(DisplayType_lookup.array[opts->type]);
2304 }
2305 if (dpys[opts->type] == NULL) {
2306 error_report("Display '%s' is not available.",
2307 DisplayType_lookup.array[opts->type]);
2308 exit(1);
2309 }
2310 if (dpys[opts->type]->early_init) {
2311 dpys[opts->type]->early_init(opts);
2312 }
2313 }
2314
2315 void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
2316 {
2317 assert(opts->type < DISPLAY_TYPE__MAX);
2318 if (opts->type == DISPLAY_TYPE_NONE) {
2319 return;
2320 }
2321 assert(dpys[opts->type] != NULL);
2322 dpys[opts->type]->init(ds, opts);
2323 }
2324
2325 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
2326 {
2327 int val;
2328 ChardevVC *vc;
2329
2330 backend->type = CHARDEV_BACKEND_KIND_VC;
2331 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2332 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2333
2334 val = qemu_opt_get_number(opts, "width", 0);
2335 if (val != 0) {
2336 vc->has_width = true;
2337 vc->width = val;
2338 }
2339
2340 val = qemu_opt_get_number(opts, "height", 0);
2341 if (val != 0) {
2342 vc->has_height = true;
2343 vc->height = val;
2344 }
2345
2346 val = qemu_opt_get_number(opts, "cols", 0);
2347 if (val != 0) {
2348 vc->has_cols = true;
2349 vc->cols = val;
2350 }
2351
2352 val = qemu_opt_get_number(opts, "rows", 0);
2353 if (val != 0) {
2354 vc->has_rows = true;
2355 vc->rows = val;
2356 }
2357 }
2358
2359 static const TypeInfo qemu_console_info = {
2360 .name = TYPE_QEMU_CONSOLE,
2361 .parent = TYPE_OBJECT,
2362 .instance_size = sizeof(QemuConsole),
2363 .class_size = sizeof(QemuConsoleClass),
2364 };
2365
2366 static void char_vc_class_init(ObjectClass *oc, void *data)
2367 {
2368 ChardevClass *cc = CHARDEV_CLASS(oc);
2369
2370 cc->parse = qemu_chr_parse_vc;
2371 cc->open = vc_chr_open;
2372 cc->chr_write = vc_chr_write;
2373 cc->chr_set_echo = vc_chr_set_echo;
2374 }
2375
2376 static const TypeInfo char_vc_type_info = {
2377 .name = TYPE_CHARDEV_VC,
2378 .parent = TYPE_CHARDEV,
2379 .instance_size = sizeof(VCChardev),
2380 .class_init = char_vc_class_init,
2381 };
2382
2383 void qemu_console_early_init(void)
2384 {
2385 /* set the default vc driver */
2386 if (!object_class_by_name(TYPE_CHARDEV_VC)) {
2387 type_register(&char_vc_type_info);
2388 }
2389 }
2390
2391 static void register_types(void)
2392 {
2393 type_register_static(&qemu_console_info);
2394 }
2395
2396 type_init(register_types);
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