?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
docs/devel/qapi-code-gen: Fix up examples
[qemu/kevin.git] / ui / console.c
blobe8e59707d38c0c08d597d6d90bda2e344936b5df
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/module.h"
31 #include "qemu/option.h"
32 #include "qemu/timer.h"
33 #include "chardev/char-fe.h"
34 #include "trace.h"
35 #include "exec/memory.h"
36 #include "io/channel-file.h"
37 #include "qom/object.h"
38
39 #define DEFAULT_BACKSCROLL 512
40 #define CONSOLE_CURSOR_PERIOD 500
41
42 typedef struct TextAttributes {
43 uint8_t fgcol:4;
44 uint8_t bgcol:4;
45 uint8_t bold:1;
46 uint8_t uline:1;
47 uint8_t blink:1;
48 uint8_t invers:1;
49 uint8_t unvisible:1;
50 } TextAttributes;
51
52 typedef struct TextCell {
53 uint8_t ch;
54 TextAttributes t_attrib;
55 } TextCell;
56
57 #define MAX_ESC_PARAMS 3
58
59 enum TTYState {
60 TTY_STATE_NORM,
61 TTY_STATE_ESC,
62 TTY_STATE_CSI,
63 };
64
65 typedef struct QEMUFIFO {
66 uint8_t *buf;
67 int buf_size;
68 int count, wptr, rptr;
69 } QEMUFIFO;
70
71 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
72 {
73 int l, len;
74
75 l = f->buf_size - f->count;
76 if (len1 > l)
77 len1 = l;
78 len = len1;
79 while (len > 0) {
80 l = f->buf_size - f->wptr;
81 if (l > len)
82 l = len;
83 memcpy(f->buf + f->wptr, buf, l);
84 f->wptr += l;
85 if (f->wptr >= f->buf_size)
86 f->wptr = 0;
87 buf += l;
88 len -= l;
89 }
90 f->count += len1;
91 return len1;
92 }
93
94 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
95 {
96 int l, len;
97
98 if (len1 > f->count)
99 len1 = f->count;
100 len = len1;
101 while (len > 0) {
102 l = f->buf_size - f->rptr;
103 if (l > len)
104 l = len;
105 memcpy(buf, f->buf + f->rptr, l);
106 f->rptr += l;
107 if (f->rptr >= f->buf_size)
108 f->rptr = 0;
109 buf += l;
110 len -= l;
111 }
112 f->count -= len1;
113 return len1;
114 }
115
116 typedef enum {
117 GRAPHIC_CONSOLE,
118 TEXT_CONSOLE,
119 TEXT_CONSOLE_FIXED_SIZE
120 } console_type_t;
121
122 struct QemuConsole {
123 Object parent;
124
125 int index;
126 console_type_t console_type;
127 DisplayState *ds;
128 DisplaySurface *surface;
129 int dcls;
130 DisplayChangeListener *gl;
131 bool gl_block;
132 int window_id;
133
134 /* Graphic console state. */
135 Object *device;
136 uint32_t head;
137 QemuUIInfo ui_info;
138 QEMUTimer *ui_timer;
139 const GraphicHwOps *hw_ops;
140 void *hw;
141
142 /* Text console state */
143 int width;
144 int height;
145 int total_height;
146 int backscroll_height;
147 int x, y;
148 int x_saved, y_saved;
149 int y_displayed;
150 int y_base;
151 TextAttributes t_attrib_default; /* default text attributes */
152 TextAttributes t_attrib; /* currently active text attributes */
153 TextCell *cells;
154 int text_x[2], text_y[2], cursor_invalidate;
155 int echo;
156
157 int update_x0;
158 int update_y0;
159 int update_x1;
160 int update_y1;
161
162 enum TTYState state;
163 int esc_params[MAX_ESC_PARAMS];
164 int nb_esc_params;
165
166 Chardev *chr;
167 /* fifo for key pressed */
168 QEMUFIFO out_fifo;
169 uint8_t out_fifo_buf[16];
170 QEMUTimer *kbd_timer;
171 CoQueue dump_queue;
172
173 QTAILQ_ENTRY(QemuConsole) next;
174 };
175
176 struct DisplayState {
177 QEMUTimer *gui_timer;
178 uint64_t last_update;
179 uint64_t update_interval;
180 bool refreshing;
181 bool have_gfx;
182 bool have_text;
183
184 QLIST_HEAD(, DisplayChangeListener) listeners;
185 };
186
187 static DisplayState *display_state;
188 static QemuConsole *active_console;
189 static QTAILQ_HEAD(, QemuConsole) consoles =
190 QTAILQ_HEAD_INITIALIZER(consoles);
191 static bool cursor_visible_phase;
192 static QEMUTimer *cursor_timer;
193
194 static void text_console_do_init(Chardev *chr, DisplayState *ds);
195 static void dpy_refresh(DisplayState *s);
196 static DisplayState *get_alloc_displaystate(void);
197 static void text_console_update_cursor_timer(void);
198 static void text_console_update_cursor(void *opaque);
199
200 static void gui_update(void *opaque)
201 {
202 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
203 uint64_t dcl_interval;
204 DisplayState *ds = opaque;
205 DisplayChangeListener *dcl;
206 QemuConsole *con;
207
208 ds->refreshing = true;
209 dpy_refresh(ds);
210 ds->refreshing = false;
211
212 QLIST_FOREACH(dcl, &ds->listeners, next) {
213 dcl_interval = dcl->update_interval ?
214 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
215 if (interval > dcl_interval) {
216 interval = dcl_interval;
217 }
218 }
219 if (ds->update_interval != interval) {
220 ds->update_interval = interval;
221 QTAILQ_FOREACH(con, &consoles, next) {
222 if (con->hw_ops->update_interval) {
223 con->hw_ops->update_interval(con->hw, interval);
224 }
225 }
226 trace_console_refresh(interval);
227 }
228 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
229 timer_mod(ds->gui_timer, ds->last_update + interval);
230 }
231
232 static void gui_setup_refresh(DisplayState *ds)
233 {
234 DisplayChangeListener *dcl;
235 bool need_timer = false;
236 bool have_gfx = false;
237 bool have_text = false;
238
239 QLIST_FOREACH(dcl, &ds->listeners, next) {
240 if (dcl->ops->dpy_refresh != NULL) {
241 need_timer = true;
242 }
243 if (dcl->ops->dpy_gfx_update != NULL) {
244 have_gfx = true;
245 }
246 if (dcl->ops->dpy_text_update != NULL) {
247 have_text = true;
248 }
249 }
250
251 if (need_timer && ds->gui_timer == NULL) {
252 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
253 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
254 }
255 if (!need_timer && ds->gui_timer != NULL) {
256 timer_del(ds->gui_timer);
257 timer_free(ds->gui_timer);
258 ds->gui_timer = NULL;
259 }
260
261 ds->have_gfx = have_gfx;
262 ds->have_text = have_text;
263 }
264
265 void graphic_hw_update_done(QemuConsole *con)
266 {
267 qemu_co_queue_restart_all(&con->dump_queue);
268 }
269
270 void graphic_hw_update(QemuConsole *con)
271 {
272 bool async = false;
273 if (!con) {
274 con = active_console;
275 }
276 if (con && con->hw_ops->gfx_update) {
277 con->hw_ops->gfx_update(con->hw);
278 async = con->hw_ops->gfx_update_async;
279 }
280 if (!async) {
281 graphic_hw_update_done(con);
282 }
283 }
284
285 void graphic_hw_gl_block(QemuConsole *con, bool block)
286 {
287 assert(con != NULL);
288
289 con->gl_block = block;
290 if (con->hw_ops->gl_block) {
291 con->hw_ops->gl_block(con->hw, block);
292 }
293 }
294
295 int qemu_console_get_window_id(QemuConsole *con)
296 {
297 return con->window_id;
298 }
299
300 void qemu_console_set_window_id(QemuConsole *con, int window_id)
301 {
302 con->window_id = window_id;
303 }
304
305 void graphic_hw_invalidate(QemuConsole *con)
306 {
307 if (!con) {
308 con = active_console;
309 }
310 if (con && con->hw_ops->invalidate) {
311 con->hw_ops->invalidate(con->hw);
312 }
313 }
314
315 static bool ppm_save(int fd, pixman_image_t *image, Error **errp)
316 {
317 int width = pixman_image_get_width(image);
318 int height = pixman_image_get_height(image);
319 g_autoptr(Object) ioc = OBJECT(qio_channel_file_new_fd(fd));
320 g_autofree char *header = NULL;
321 g_autoptr(pixman_image_t) linebuf = NULL;
322 int y;
323
324 trace_ppm_save(fd, image);
325
326 header = g_strdup_printf("P6\n%d %d\n%d\n", width, height, 255);
327 if (qio_channel_write_all(QIO_CHANNEL(ioc),
328 header, strlen(header), errp) < 0) {
329 return false;
330 }
331
332 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
333 for (y = 0; y < height; y++) {
334 qemu_pixman_linebuf_fill(linebuf, image, width, 0, y);
335 if (qio_channel_write_all(QIO_CHANNEL(ioc),
336 (char *)pixman_image_get_data(linebuf),
337 pixman_image_get_stride(linebuf), errp) < 0) {
338 return false;
339 }
340 }
341
342 return true;
343 }
344
345 static void graphic_hw_update_bh(void *con)
346 {
347 graphic_hw_update(con);
348 }
349
350 /* Safety: coroutine-only, concurrent-coroutine safe, main thread only */
351 void coroutine_fn
352 qmp_screendump(const char *filename, bool has_device, const char *device,
353 bool has_head, int64_t head, Error **errp)
354 {
355 g_autoptr(pixman_image_t) image = NULL;
356 QemuConsole *con;
357 DisplaySurface *surface;
358 int fd;
359
360 if (has_device) {
361 con = qemu_console_lookup_by_device_name(device, has_head ? head : 0,
362 errp);
363 if (!con) {
364 return;
365 }
366 } else {
367 if (has_head) {
368 error_setg(errp, "'head' must be specified together with 'device'");
369 return;
370 }
371 con = qemu_console_lookup_by_index(0);
372 if (!con) {
373 error_setg(errp, "There is no console to take a screendump from");
374 return;
375 }
376 }
377
378 if (qemu_co_queue_empty(&con->dump_queue)) {
379 /* Defer the update, it will restart the pending coroutines */
380 aio_bh_schedule_oneshot(qemu_get_aio_context(),
381 graphic_hw_update_bh, con);
382 }
383 qemu_co_queue_wait(&con->dump_queue, NULL);
384
385 /*
386 * All pending coroutines are woken up, while the BQL is held. No
387 * further graphic update are possible until it is released. Take
388 * an image ref before that.
389 */
390 surface = qemu_console_surface(con);
391 if (!surface) {
392 error_setg(errp, "no surface");
393 return;
394 }
395 image = pixman_image_ref(surface->image);
396
397 fd = qemu_open_old(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
398 if (fd == -1) {
399 error_setg(errp, "failed to open file '%s': %s", filename,
400 strerror(errno));
401 return;
402 }
403
404 /*
405 * The image content could potentially be updated as the coroutine
406 * yields and releases the BQL. It could produce corrupted dump, but
407 * it should be otherwise safe.
408 */
409 if (!ppm_save(fd, image, errp)) {
410 qemu_unlink(filename);
411 }
412 }
413
414 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
415 {
416 if (!con) {
417 con = active_console;
418 }
419 if (con && con->hw_ops->text_update) {
420 con->hw_ops->text_update(con->hw, chardata);
421 }
422 }
423
424 static void vga_fill_rect(QemuConsole *con,
425 int posx, int posy, int width, int height,
426 pixman_color_t color)
427 {
428 DisplaySurface *surface = qemu_console_surface(con);
429 pixman_rectangle16_t rect = {
430 .x = posx, .y = posy, .width = width, .height = height
431 };
432
433 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
434 &color, 1, &rect);
435 }
436
437 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
438 static void vga_bitblt(QemuConsole *con,
439 int xs, int ys, int xd, int yd, int w, int h)
440 {
441 DisplaySurface *surface = qemu_console_surface(con);
442
443 pixman_image_composite(PIXMAN_OP_SRC,
444 surface->image, NULL, surface->image,
445 xs, ys, 0, 0, xd, yd, w, h);
446 }
447
448 /***********************************************************/
449 /* basic char display */
450
451 #define FONT_HEIGHT 16
452 #define FONT_WIDTH 8
453
454 #include "vgafont.h"
455
456 #define QEMU_RGB(r, g, b) \
457 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
458
459 static const pixman_color_t color_table_rgb[2][8] = {
460 { /* dark */
461 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
462 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
463 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
464 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
465 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
466 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
467 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
468 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
469 },
470 { /* bright */
471 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
472 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
473 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
474 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
475 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
476 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
477 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
478 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
479 }
480 };
481
482 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
483 TextAttributes *t_attrib)
484 {
485 static pixman_image_t *glyphs[256];
486 DisplaySurface *surface = qemu_console_surface(s);
487 pixman_color_t fgcol, bgcol;
488
489 if (t_attrib->invers) {
490 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
491 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
492 } else {
493 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
494 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
495 }
496
497 if (!glyphs[ch]) {
498 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
499 }
500 qemu_pixman_glyph_render(glyphs[ch], surface->image,
501 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
502 }
503
504 static void text_console_resize(QemuConsole *s)
505 {
506 TextCell *cells, *c, *c1;
507 int w1, x, y, last_width;
508
509 last_width = s->width;
510 s->width = surface_width(s->surface) / FONT_WIDTH;
511 s->height = surface_height(s->surface) / FONT_HEIGHT;
512
513 w1 = last_width;
514 if (s->width < w1)
515 w1 = s->width;
516
517 cells = g_new(TextCell, s->width * s->total_height + 1);
518 for(y = 0; y < s->total_height; y++) {
519 c = &cells[y * s->width];
520 if (w1 > 0) {
521 c1 = &s->cells[y * last_width];
522 for(x = 0; x < w1; x++) {
523 *c++ = *c1++;
524 }
525 }
526 for(x = w1; x < s->width; x++) {
527 c->ch = ' ';
528 c->t_attrib = s->t_attrib_default;
529 c++;
530 }
531 }
532 g_free(s->cells);
533 s->cells = cells;
534 }
535
536 static inline void text_update_xy(QemuConsole *s, int x, int y)
537 {
538 s->text_x[0] = MIN(s->text_x[0], x);
539 s->text_x[1] = MAX(s->text_x[1], x);
540 s->text_y[0] = MIN(s->text_y[0], y);
541 s->text_y[1] = MAX(s->text_y[1], y);
542 }
543
544 static void invalidate_xy(QemuConsole *s, int x, int y)
545 {
546 if (!qemu_console_is_visible(s)) {
547 return;
548 }
549 if (s->update_x0 > x * FONT_WIDTH)
550 s->update_x0 = x * FONT_WIDTH;
551 if (s->update_y0 > y * FONT_HEIGHT)
552 s->update_y0 = y * FONT_HEIGHT;
553 if (s->update_x1 < (x + 1) * FONT_WIDTH)
554 s->update_x1 = (x + 1) * FONT_WIDTH;
555 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
556 s->update_y1 = (y + 1) * FONT_HEIGHT;
557 }
558
559 static void update_xy(QemuConsole *s, int x, int y)
560 {
561 TextCell *c;
562 int y1, y2;
563
564 if (s->ds->have_text) {
565 text_update_xy(s, x, y);
566 }
567
568 y1 = (s->y_base + y) % s->total_height;
569 y2 = y1 - s->y_displayed;
570 if (y2 < 0) {
571 y2 += s->total_height;
572 }
573 if (y2 < s->height) {
574 if (x >= s->width) {
575 x = s->width - 1;
576 }
577 c = &s->cells[y1 * s->width + x];
578 vga_putcharxy(s, x, y2, c->ch,
579 &(c->t_attrib));
580 invalidate_xy(s, x, y2);
581 }
582 }
583
584 static void console_show_cursor(QemuConsole *s, int show)
585 {
586 TextCell *c;
587 int y, y1;
588 int x = s->x;
589
590 if (s->ds->have_text) {
591 s->cursor_invalidate = 1;
592 }
593
594 if (x >= s->width) {
595 x = s->width - 1;
596 }
597 y1 = (s->y_base + s->y) % s->total_height;
598 y = y1 - s->y_displayed;
599 if (y < 0) {
600 y += s->total_height;
601 }
602 if (y < s->height) {
603 c = &s->cells[y1 * s->width + x];
604 if (show && cursor_visible_phase) {
605 TextAttributes t_attrib = s->t_attrib_default;
606 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
607 vga_putcharxy(s, x, y, c->ch, &t_attrib);
608 } else {
609 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
610 }
611 invalidate_xy(s, x, y);
612 }
613 }
614
615 static void console_refresh(QemuConsole *s)
616 {
617 DisplaySurface *surface = qemu_console_surface(s);
618 TextCell *c;
619 int x, y, y1;
620
621 if (s->ds->have_text) {
622 s->text_x[0] = 0;
623 s->text_y[0] = 0;
624 s->text_x[1] = s->width - 1;
625 s->text_y[1] = s->height - 1;
626 s->cursor_invalidate = 1;
627 }
628
629 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
630 color_table_rgb[0][QEMU_COLOR_BLACK]);
631 y1 = s->y_displayed;
632 for (y = 0; y < s->height; y++) {
633 c = s->cells + y1 * s->width;
634 for (x = 0; x < s->width; x++) {
635 vga_putcharxy(s, x, y, c->ch,
636 &(c->t_attrib));
637 c++;
638 }
639 if (++y1 == s->total_height) {
640 y1 = 0;
641 }
642 }
643 console_show_cursor(s, 1);
644 dpy_gfx_update(s, 0, 0,
645 surface_width(surface), surface_height(surface));
646 }
647
648 static void console_scroll(QemuConsole *s, int ydelta)
649 {
650 int i, y1;
651
652 if (ydelta > 0) {
653 for(i = 0; i < ydelta; i++) {
654 if (s->y_displayed == s->y_base)
655 break;
656 if (++s->y_displayed == s->total_height)
657 s->y_displayed = 0;
658 }
659 } else {
660 ydelta = -ydelta;
661 i = s->backscroll_height;
662 if (i > s->total_height - s->height)
663 i = s->total_height - s->height;
664 y1 = s->y_base - i;
665 if (y1 < 0)
666 y1 += s->total_height;
667 for(i = 0; i < ydelta; i++) {
668 if (s->y_displayed == y1)
669 break;
670 if (--s->y_displayed < 0)
671 s->y_displayed = s->total_height - 1;
672 }
673 }
674 console_refresh(s);
675 }
676
677 static void console_put_lf(QemuConsole *s)
678 {
679 TextCell *c;
680 int x, y1;
681
682 s->y++;
683 if (s->y >= s->height) {
684 s->y = s->height - 1;
685
686 if (s->y_displayed == s->y_base) {
687 if (++s->y_displayed == s->total_height)
688 s->y_displayed = 0;
689 }
690 if (++s->y_base == s->total_height)
691 s->y_base = 0;
692 if (s->backscroll_height < s->total_height)
693 s->backscroll_height++;
694 y1 = (s->y_base + s->height - 1) % s->total_height;
695 c = &s->cells[y1 * s->width];
696 for(x = 0; x < s->width; x++) {
697 c->ch = ' ';
698 c->t_attrib = s->t_attrib_default;
699 c++;
700 }
701 if (s->y_displayed == s->y_base) {
702 if (s->ds->have_text) {
703 s->text_x[0] = 0;
704 s->text_y[0] = 0;
705 s->text_x[1] = s->width - 1;
706 s->text_y[1] = s->height - 1;
707 }
708
709 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
710 s->width * FONT_WIDTH,
711 (s->height - 1) * FONT_HEIGHT);
712 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
713 s->width * FONT_WIDTH, FONT_HEIGHT,
714 color_table_rgb[0][s->t_attrib_default.bgcol]);
715 s->update_x0 = 0;
716 s->update_y0 = 0;
717 s->update_x1 = s->width * FONT_WIDTH;
718 s->update_y1 = s->height * FONT_HEIGHT;
719 }
720 }
721 }
722
723 /* Set console attributes depending on the current escape codes.
724 * NOTE: I know this code is not very efficient (checking every color for it
725 * self) but it is more readable and better maintainable.
726 */
727 static void console_handle_escape(QemuConsole *s)
728 {
729 int i;
730
731 for (i=0; i<s->nb_esc_params; i++) {
732 switch (s->esc_params[i]) {
733 case 0: /* reset all console attributes to default */
734 s->t_attrib = s->t_attrib_default;
735 break;
736 case 1:
737 s->t_attrib.bold = 1;
738 break;
739 case 4:
740 s->t_attrib.uline = 1;
741 break;
742 case 5:
743 s->t_attrib.blink = 1;
744 break;
745 case 7:
746 s->t_attrib.invers = 1;
747 break;
748 case 8:
749 s->t_attrib.unvisible = 1;
750 break;
751 case 22:
752 s->t_attrib.bold = 0;
753 break;
754 case 24:
755 s->t_attrib.uline = 0;
756 break;
757 case 25:
758 s->t_attrib.blink = 0;
759 break;
760 case 27:
761 s->t_attrib.invers = 0;
762 break;
763 case 28:
764 s->t_attrib.unvisible = 0;
765 break;
766 /* set foreground color */
767 case 30:
768 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
769 break;
770 case 31:
771 s->t_attrib.fgcol = QEMU_COLOR_RED;
772 break;
773 case 32:
774 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
775 break;
776 case 33:
777 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
778 break;
779 case 34:
780 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
781 break;
782 case 35:
783 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
784 break;
785 case 36:
786 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
787 break;
788 case 37:
789 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
790 break;
791 /* set background color */
792 case 40:
793 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
794 break;
795 case 41:
796 s->t_attrib.bgcol = QEMU_COLOR_RED;
797 break;
798 case 42:
799 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
800 break;
801 case 43:
802 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
803 break;
804 case 44:
805 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
806 break;
807 case 45:
808 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
809 break;
810 case 46:
811 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
812 break;
813 case 47:
814 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
815 break;
816 }
817 }
818 }
819
820 static void console_clear_xy(QemuConsole *s, int x, int y)
821 {
822 int y1 = (s->y_base + y) % s->total_height;
823 if (x >= s->width) {
824 x = s->width - 1;
825 }
826 TextCell *c = &s->cells[y1 * s->width + x];
827 c->ch = ' ';
828 c->t_attrib = s->t_attrib_default;
829 update_xy(s, x, y);
830 }
831
832 static void console_put_one(QemuConsole *s, int ch)
833 {
834 TextCell *c;
835 int y1;
836 if (s->x >= s->width) {
837 /* line wrap */
838 s->x = 0;
839 console_put_lf(s);
840 }
841 y1 = (s->y_base + s->y) % s->total_height;
842 c = &s->cells[y1 * s->width + s->x];
843 c->ch = ch;
844 c->t_attrib = s->t_attrib;
845 update_xy(s, s->x, s->y);
846 s->x++;
847 }
848
849 static void console_respond_str(QemuConsole *s, const char *buf)
850 {
851 while (*buf) {
852 console_put_one(s, *buf);
853 buf++;
854 }
855 }
856
857 /* set cursor, checking bounds */
858 static void set_cursor(QemuConsole *s, int x, int y)
859 {
860 if (x < 0) {
861 x = 0;
862 }
863 if (y < 0) {
864 y = 0;
865 }
866 if (y >= s->height) {
867 y = s->height - 1;
868 }
869 if (x >= s->width) {
870 x = s->width - 1;
871 }
872
873 s->x = x;
874 s->y = y;
875 }
876
877 static void console_putchar(QemuConsole *s, int ch)
878 {
879 int i;
880 int x, y;
881 char response[40];
882
883 switch(s->state) {
884 case TTY_STATE_NORM:
885 switch(ch) {
886 case '\r': /* carriage return */
887 s->x = 0;
888 break;
889 case '\n': /* newline */
890 console_put_lf(s);
891 break;
892 case '\b': /* backspace */
893 if (s->x > 0)
894 s->x--;
895 break;
896 case '\t': /* tabspace */
897 if (s->x + (8 - (s->x % 8)) > s->width) {
898 s->x = 0;
899 console_put_lf(s);
900 } else {
901 s->x = s->x + (8 - (s->x % 8));
902 }
903 break;
904 case '\a': /* alert aka. bell */
905 /* TODO: has to be implemented */
906 break;
907 case 14:
908 /* SI (shift in), character set 0 (ignored) */
909 break;
910 case 15:
911 /* SO (shift out), character set 1 (ignored) */
912 break;
913 case 27: /* esc (introducing an escape sequence) */
914 s->state = TTY_STATE_ESC;
915 break;
916 default:
917 console_put_one(s, ch);
918 break;
919 }
920 break;
921 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
922 if (ch == '[') {
923 for(i=0;i<MAX_ESC_PARAMS;i++)
924 s->esc_params[i] = 0;
925 s->nb_esc_params = 0;
926 s->state = TTY_STATE_CSI;
927 } else {
928 s->state = TTY_STATE_NORM;
929 }
930 break;
931 case TTY_STATE_CSI: /* handle escape sequence parameters */
932 if (ch >= '0' && ch <= '9') {
933 if (s->nb_esc_params < MAX_ESC_PARAMS) {
934 int *param = &s->esc_params[s->nb_esc_params];
935 int digit = (ch - '0');
936
937 *param = (*param <= (INT_MAX - digit) / 10) ?
938 *param * 10 + digit : INT_MAX;
939 }
940 } else {
941 if (s->nb_esc_params < MAX_ESC_PARAMS)
942 s->nb_esc_params++;
943 if (ch == ';' || ch == '?') {
944 break;
945 }
946 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
947 ch, s->nb_esc_params);
948 s->state = TTY_STATE_NORM;
949 switch(ch) {
950 case 'A':
951 /* move cursor up */
952 if (s->esc_params[0] == 0) {
953 s->esc_params[0] = 1;
954 }
955 set_cursor(s, s->x, s->y - s->esc_params[0]);
956 break;
957 case 'B':
958 /* move cursor down */
959 if (s->esc_params[0] == 0) {
960 s->esc_params[0] = 1;
961 }
962 set_cursor(s, s->x, s->y + s->esc_params[0]);
963 break;
964 case 'C':
965 /* move cursor right */
966 if (s->esc_params[0] == 0) {
967 s->esc_params[0] = 1;
968 }
969 set_cursor(s, s->x + s->esc_params[0], s->y);
970 break;
971 case 'D':
972 /* move cursor left */
973 if (s->esc_params[0] == 0) {
974 s->esc_params[0] = 1;
975 }
976 set_cursor(s, s->x - s->esc_params[0], s->y);
977 break;
978 case 'G':
979 /* move cursor to column */
980 set_cursor(s, s->esc_params[0] - 1, s->y);
981 break;
982 case 'f':
983 case 'H':
984 /* move cursor to row, column */
985 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
986 break;
987 case 'J':
988 switch (s->esc_params[0]) {
989 case 0:
990 /* clear to end of screen */
991 for (y = s->y; y < s->height; y++) {
992 for (x = 0; x < s->width; x++) {
993 if (y == s->y && x < s->x) {
994 continue;
995 }
996 console_clear_xy(s, x, y);
997 }
998 }
999 break;
1000 case 1:
1001 /* clear from beginning of screen */
1002 for (y = 0; y <= s->y; y++) {
1003 for (x = 0; x < s->width; x++) {
1004 if (y == s->y && x > s->x) {
1005 break;
1006 }
1007 console_clear_xy(s, x, y);
1008 }
1009 }
1010 break;
1011 case 2:
1012 /* clear entire screen */
1013 for (y = 0; y <= s->height; y++) {
1014 for (x = 0; x < s->width; x++) {
1015 console_clear_xy(s, x, y);
1016 }
1017 }
1018 break;
1019 }
1020 break;
1021 case 'K':
1022 switch (s->esc_params[0]) {
1023 case 0:
1024 /* clear to eol */
1025 for(x = s->x; x < s->width; x++) {
1026 console_clear_xy(s, x, s->y);
1027 }
1028 break;
1029 case 1:
1030 /* clear from beginning of line */
1031 for (x = 0; x <= s->x && x < s->width; x++) {
1032 console_clear_xy(s, x, s->y);
1033 }
1034 break;
1035 case 2:
1036 /* clear entire line */
1037 for(x = 0; x < s->width; x++) {
1038 console_clear_xy(s, x, s->y);
1039 }
1040 break;
1041 }
1042 break;
1043 case 'm':
1044 console_handle_escape(s);
1045 break;
1046 case 'n':
1047 switch (s->esc_params[0]) {
1048 case 5:
1049 /* report console status (always succeed)*/
1050 console_respond_str(s, "\033[0n");
1051 break;
1052 case 6:
1053 /* report cursor position */
1054 sprintf(response, "\033[%d;%dR",
1055 (s->y_base + s->y) % s->total_height + 1,
1056 s->x + 1);
1057 console_respond_str(s, response);
1058 break;
1059 }
1060 break;
1061 case 's':
1062 /* save cursor position */
1063 s->x_saved = s->x;
1064 s->y_saved = s->y;
1065 break;
1066 case 'u':
1067 /* restore cursor position */
1068 s->x = s->x_saved;
1069 s->y = s->y_saved;
1070 break;
1071 default:
1072 trace_console_putchar_unhandled(ch);
1073 break;
1074 }
1075 break;
1076 }
1077 }
1078 }
1079
1080 void console_select(unsigned int index)
1081 {
1082 DisplayChangeListener *dcl;
1083 QemuConsole *s;
1084
1085 trace_console_select(index);
1086 s = qemu_console_lookup_by_index(index);
1087 if (s) {
1088 DisplayState *ds = s->ds;
1089
1090 active_console = s;
1091 if (ds->have_gfx) {
1092 QLIST_FOREACH(dcl, &ds->listeners, next) {
1093 if (dcl->con != NULL) {
1094 continue;
1095 }
1096 if (dcl->ops->dpy_gfx_switch) {
1097 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1098 }
1099 }
1100 if (s->surface) {
1101 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1102 surface_height(s->surface));
1103 }
1104 }
1105 if (ds->have_text) {
1106 dpy_text_resize(s, s->width, s->height);
1107 }
1108 text_console_update_cursor(NULL);
1109 }
1110 }
1111
1112 struct VCChardev {
1113 Chardev parent;
1114 QemuConsole *console;
1115 };
1116 typedef struct VCChardev VCChardev;
1117
1118 #define TYPE_CHARDEV_VC "chardev-vc"
1119 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
1120 TYPE_CHARDEV_VC)
1121
1122 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1123 {
1124 VCChardev *drv = VC_CHARDEV(chr);
1125 QemuConsole *s = drv->console;
1126 int i;
1127
1128 if (!s->ds) {
1129 return 0;
1130 }
1131
1132 s->update_x0 = s->width * FONT_WIDTH;
1133 s->update_y0 = s->height * FONT_HEIGHT;
1134 s->update_x1 = 0;
1135 s->update_y1 = 0;
1136 console_show_cursor(s, 0);
1137 for(i = 0; i < len; i++) {
1138 console_putchar(s, buf[i]);
1139 }
1140 console_show_cursor(s, 1);
1141 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1142 dpy_gfx_update(s, s->update_x0, s->update_y0,
1143 s->update_x1 - s->update_x0,
1144 s->update_y1 - s->update_y0);
1145 }
1146 return len;
1147 }
1148
1149 static void kbd_send_chars(void *opaque)
1150 {
1151 QemuConsole *s = opaque;
1152 int len;
1153 uint8_t buf[16];
1154
1155 len = qemu_chr_be_can_write(s->chr);
1156 if (len > s->out_fifo.count)
1157 len = s->out_fifo.count;
1158 if (len > 0) {
1159 if (len > sizeof(buf))
1160 len = sizeof(buf);
1161 qemu_fifo_read(&s->out_fifo, buf, len);
1162 qemu_chr_be_write(s->chr, buf, len);
1163 }
1164 /* characters are pending: we send them a bit later (XXX:
1165 horrible, should change char device API) */
1166 if (s->out_fifo.count > 0) {
1167 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1168 }
1169 }
1170
1171 /* called when an ascii key is pressed */
1172 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1173 {
1174 uint8_t buf[16], *q;
1175 CharBackend *be;
1176 int c;
1177
1178 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1179 return;
1180
1181 switch(keysym) {
1182 case QEMU_KEY_CTRL_UP:
1183 console_scroll(s, -1);
1184 break;
1185 case QEMU_KEY_CTRL_DOWN:
1186 console_scroll(s, 1);
1187 break;
1188 case QEMU_KEY_CTRL_PAGEUP:
1189 console_scroll(s, -10);
1190 break;
1191 case QEMU_KEY_CTRL_PAGEDOWN:
1192 console_scroll(s, 10);
1193 break;
1194 default:
1195 /* convert the QEMU keysym to VT100 key string */
1196 q = buf;
1197 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1198 *q++ = '\033';
1199 *q++ = '[';
1200 c = keysym - 0xe100;
1201 if (c >= 10)
1202 *q++ = '0' + (c / 10);
1203 *q++ = '0' + (c % 10);
1204 *q++ = '~';
1205 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1206 *q++ = '\033';
1207 *q++ = '[';
1208 *q++ = keysym & 0xff;
1209 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1210 vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
1211 *q++ = '\n';
1212 } else {
1213 *q++ = keysym;
1214 }
1215 if (s->echo) {
1216 vc_chr_write(s->chr, buf, q - buf);
1217 }
1218 be = s->chr->be;
1219 if (be && be->chr_read) {
1220 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1221 kbd_send_chars(s);
1222 }
1223 break;
1224 }
1225 }
1226
1227 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1228 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1229 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1230 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1231 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1232 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1233 [Q_KEY_CODE_END] = QEMU_KEY_END,
1234 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1235 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1236 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1237 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1238 };
1239
1240 static const int ctrl_qcode_to_keysym[Q_KEY_CODE__MAX] = {
1241 [Q_KEY_CODE_UP] = QEMU_KEY_CTRL_UP,
1242 [Q_KEY_CODE_DOWN] = QEMU_KEY_CTRL_DOWN,
1243 [Q_KEY_CODE_RIGHT] = QEMU_KEY_CTRL_RIGHT,
1244 [Q_KEY_CODE_LEFT] = QEMU_KEY_CTRL_LEFT,
1245 [Q_KEY_CODE_HOME] = QEMU_KEY_CTRL_HOME,
1246 [Q_KEY_CODE_END] = QEMU_KEY_CTRL_END,
1247 [Q_KEY_CODE_PGUP] = QEMU_KEY_CTRL_PAGEUP,
1248 [Q_KEY_CODE_PGDN] = QEMU_KEY_CTRL_PAGEDOWN,
1249 };
1250
1251 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl)
1252 {
1253 int keysym;
1254
1255 keysym = ctrl ? ctrl_qcode_to_keysym[qcode] : qcode_to_keysym[qcode];
1256 if (keysym == 0) {
1257 return false;
1258 }
1259 kbd_put_keysym_console(s, keysym);
1260 return true;
1261 }
1262
1263 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1264 {
1265 int i;
1266
1267 for (i = 0; i < len && str[i]; i++) {
1268 kbd_put_keysym_console(s, str[i]);
1269 }
1270 }
1271
1272 void kbd_put_keysym(int keysym)
1273 {
1274 kbd_put_keysym_console(active_console, keysym);
1275 }
1276
1277 static void text_console_invalidate(void *opaque)
1278 {
1279 QemuConsole *s = (QemuConsole *) opaque;
1280
1281 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1282 text_console_resize(s);
1283 }
1284 console_refresh(s);
1285 }
1286
1287 static void text_console_update(void *opaque, console_ch_t *chardata)
1288 {
1289 QemuConsole *s = (QemuConsole *) opaque;
1290 int i, j, src;
1291
1292 if (s->text_x[0] <= s->text_x[1]) {
1293 src = (s->y_base + s->text_y[0]) * s->width;
1294 chardata += s->text_y[0] * s->width;
1295 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1296 for (j = 0; j < s->width; j++, src++) {
1297 console_write_ch(chardata ++,
1298 ATTR2CHTYPE(s->cells[src].ch,
1299 s->cells[src].t_attrib.fgcol,
1300 s->cells[src].t_attrib.bgcol,
1301 s->cells[src].t_attrib.bold));
1302 }
1303 dpy_text_update(s, s->text_x[0], s->text_y[0],
1304 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1305 s->text_x[0] = s->width;
1306 s->text_y[0] = s->height;
1307 s->text_x[1] = 0;
1308 s->text_y[1] = 0;
1309 }
1310 if (s->cursor_invalidate) {
1311 dpy_text_cursor(s, s->x, s->y);
1312 s->cursor_invalidate = 0;
1313 }
1314 }
1315
1316 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1317 uint32_t head)
1318 {
1319 Object *obj;
1320 QemuConsole *s;
1321 int i;
1322
1323 obj = object_new(TYPE_QEMU_CONSOLE);
1324 s = QEMU_CONSOLE(obj);
1325 qemu_co_queue_init(&s->dump_queue);
1326 s->head = head;
1327 object_property_add_link(obj, "device", TYPE_DEVICE,
1328 (Object **)&s->device,
1329 object_property_allow_set_link,
1330 OBJ_PROP_LINK_STRONG);
1331 object_property_add_uint32_ptr(obj, "head", &s->head,
1332 OBJ_PROP_FLAG_READ);
1333
1334 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1335 (console_type == GRAPHIC_CONSOLE))) {
1336 active_console = s;
1337 }
1338 s->ds = ds;
1339 s->console_type = console_type;
1340 s->window_id = -1;
1341
1342 if (QTAILQ_EMPTY(&consoles)) {
1343 s->index = 0;
1344 QTAILQ_INSERT_TAIL(&consoles, s, next);
1345 } else if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) {
1346 QemuConsole *last = QTAILQ_LAST(&consoles);
1347 s->index = last->index + 1;
1348 QTAILQ_INSERT_TAIL(&consoles, s, next);
1349 } else {
1350 /*
1351 * HACK: Put graphical consoles before text consoles.
1352 *
1353 * Only do that for coldplugged devices. After initial device
1354 * initialization we will not renumber the consoles any more.
1355 */
1356 QemuConsole *c = QTAILQ_FIRST(&consoles);
1357
1358 while (QTAILQ_NEXT(c, next) != NULL &&
1359 c->console_type == GRAPHIC_CONSOLE) {
1360 c = QTAILQ_NEXT(c, next);
1361 }
1362 if (c->console_type == GRAPHIC_CONSOLE) {
1363 /* have no text consoles */
1364 s->index = c->index + 1;
1365 QTAILQ_INSERT_AFTER(&consoles, c, s, next);
1366 } else {
1367 s->index = c->index;
1368 QTAILQ_INSERT_BEFORE(c, s, next);
1369 /* renumber text consoles */
1370 for (i = s->index + 1; c != NULL; c = QTAILQ_NEXT(c, next), i++) {
1371 c->index = i;
1372 }
1373 }
1374 }
1375 return s;
1376 }
1377
1378 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1379 {
1380 qemu_pixman_image_unref(surface->image);
1381 surface->image = NULL;
1382
1383 surface->format = PIXMAN_x8r8g8b8;
1384 surface->image = pixman_image_create_bits(surface->format,
1385 width, height,
1386 NULL, width * 4);
1387 assert(surface->image != NULL);
1388
1389 surface->flags = QEMU_ALLOCATED_FLAG;
1390 }
1391
1392 DisplaySurface *qemu_create_displaysurface(int width, int height)
1393 {
1394 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1395
1396 trace_displaysurface_create(surface, width, height);
1397 qemu_alloc_display(surface, width, height);
1398 return surface;
1399 }
1400
1401 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1402 pixman_format_code_t format,
1403 int linesize, uint8_t *data)
1404 {
1405 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1406
1407 trace_displaysurface_create_from(surface, width, height, format);
1408 surface->format = format;
1409 surface->image = pixman_image_create_bits(surface->format,
1410 width, height,
1411 (void *)data, linesize);
1412 assert(surface->image != NULL);
1413
1414 return surface;
1415 }
1416
1417 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1418 {
1419 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1420
1421 trace_displaysurface_create_pixman(surface);
1422 surface->format = pixman_image_get_format(image);
1423 surface->image = pixman_image_ref(image);
1424
1425 return surface;
1426 }
1427
1428 DisplaySurface *qemu_create_message_surface(int w, int h,
1429 const char *msg)
1430 {
1431 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1432 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1433 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1434 pixman_image_t *glyph;
1435 int len, x, y, i;
1436
1437 len = strlen(msg);
1438 x = (w / FONT_WIDTH - len) / 2;
1439 y = (h / FONT_HEIGHT - 1) / 2;
1440 for (i = 0; i < len; i++) {
1441 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1442 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1443 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1444 qemu_pixman_image_unref(glyph);
1445 }
1446 return surface;
1447 }
1448
1449 void qemu_free_displaysurface(DisplaySurface *surface)
1450 {
1451 if (surface == NULL) {
1452 return;
1453 }
1454 trace_displaysurface_free(surface);
1455 qemu_pixman_image_unref(surface->image);
1456 g_free(surface);
1457 }
1458
1459 bool console_has_gl(QemuConsole *con)
1460 {
1461 return con->gl != NULL;
1462 }
1463
1464 bool console_has_gl_dmabuf(QemuConsole *con)
1465 {
1466 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL;
1467 }
1468
1469 void register_displaychangelistener(DisplayChangeListener *dcl)
1470 {
1471 static const char nodev[] =
1472 "This VM has no graphic display device.";
1473 static DisplaySurface *dummy;
1474 QemuConsole *con;
1475
1476 assert(!dcl->ds);
1477
1478 if (dcl->ops->dpy_gl_ctx_create) {
1479 /* display has opengl support */
1480 assert(dcl->con);
1481 if (dcl->con->gl) {
1482 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1483 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1484 exit(1);
1485 }
1486 dcl->con->gl = dcl;
1487 }
1488
1489 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1490 dcl->ds = get_alloc_displaystate();
1491 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1492 gui_setup_refresh(dcl->ds);
1493 if (dcl->con) {
1494 dcl->con->dcls++;
1495 con = dcl->con;
1496 } else {
1497 con = active_console;
1498 }
1499 if (dcl->ops->dpy_gfx_switch) {
1500 if (con) {
1501 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1502 } else {
1503 if (!dummy) {
1504 dummy = qemu_create_message_surface(640, 480, nodev);
1505 }
1506 dcl->ops->dpy_gfx_switch(dcl, dummy);
1507 }
1508 }
1509 text_console_update_cursor(NULL);
1510 }
1511
1512 void update_displaychangelistener(DisplayChangeListener *dcl,
1513 uint64_t interval)
1514 {
1515 DisplayState *ds = dcl->ds;
1516
1517 dcl->update_interval = interval;
1518 if (!ds->refreshing && ds->update_interval > interval) {
1519 timer_mod(ds->gui_timer, ds->last_update + interval);
1520 }
1521 }
1522
1523 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1524 {
1525 DisplayState *ds = dcl->ds;
1526 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1527 if (dcl->con) {
1528 dcl->con->dcls--;
1529 }
1530 QLIST_REMOVE(dcl, next);
1531 dcl->ds = NULL;
1532 gui_setup_refresh(ds);
1533 }
1534
1535 static void dpy_set_ui_info_timer(void *opaque)
1536 {
1537 QemuConsole *con = opaque;
1538
1539 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1540 }
1541
1542 bool dpy_ui_info_supported(QemuConsole *con)
1543 {
1544 return con->hw_ops->ui_info != NULL;
1545 }
1546
1547 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con)
1548 {
1549 assert(con != NULL);
1550
1551 return &con->ui_info;
1552 }
1553
1554 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1555 {
1556 assert(con != NULL);
1557
1558 if (!dpy_ui_info_supported(con)) {
1559 return -1;
1560 }
1561 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1562 /* nothing changed -- ignore */
1563 return 0;
1564 }
1565
1566 /*
1567 * Typically we get a flood of these as the user resizes the window.
1568 * Wait until the dust has settled (one second without updates), then
1569 * go notify the guest.
1570 */
1571 con->ui_info = *info;
1572 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1573 return 0;
1574 }
1575
1576 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1577 {
1578 DisplayState *s = con->ds;
1579 DisplayChangeListener *dcl;
1580 int width = w;
1581 int height = h;
1582
1583 if (con->surface) {
1584 width = surface_width(con->surface);
1585 height = surface_height(con->surface);
1586 }
1587 x = MAX(x, 0);
1588 y = MAX(y, 0);
1589 x = MIN(x, width);
1590 y = MIN(y, height);
1591 w = MIN(w, width - x);
1592 h = MIN(h, height - y);
1593
1594 if (!qemu_console_is_visible(con)) {
1595 return;
1596 }
1597 QLIST_FOREACH(dcl, &s->listeners, next) {
1598 if (con != (dcl->con ? dcl->con : active_console)) {
1599 continue;
1600 }
1601 if (dcl->ops->dpy_gfx_update) {
1602 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1603 }
1604 }
1605 }
1606
1607 void dpy_gfx_update_full(QemuConsole *con)
1608 {
1609 if (!con->surface) {
1610 return;
1611 }
1612 dpy_gfx_update(con, 0, 0,
1613 surface_width(con->surface),
1614 surface_height(con->surface));
1615 }
1616
1617 void dpy_gfx_replace_surface(QemuConsole *con,
1618 DisplaySurface *surface)
1619 {
1620 DisplayState *s = con->ds;
1621 DisplaySurface *old_surface = con->surface;
1622 DisplayChangeListener *dcl;
1623
1624 assert(old_surface != surface || surface == NULL);
1625
1626 con->surface = surface;
1627 QLIST_FOREACH(dcl, &s->listeners, next) {
1628 if (con != (dcl->con ? dcl->con : active_console)) {
1629 continue;
1630 }
1631 if (dcl->ops->dpy_gfx_switch) {
1632 dcl->ops->dpy_gfx_switch(dcl, surface);
1633 }
1634 }
1635 qemu_free_displaysurface(old_surface);
1636 }
1637
1638 bool dpy_gfx_check_format(QemuConsole *con,
1639 pixman_format_code_t format)
1640 {
1641 DisplayChangeListener *dcl;
1642 DisplayState *s = con->ds;
1643
1644 QLIST_FOREACH(dcl, &s->listeners, next) {
1645 if (dcl->con && dcl->con != con) {
1646 /* dcl bound to another console -> skip */
1647 continue;
1648 }
1649 if (dcl->ops->dpy_gfx_check_format) {
1650 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1651 return false;
1652 }
1653 } else {
1654 /* default is to whitelist native 32 bpp only */
1655 if (format != qemu_default_pixman_format(32, true)) {
1656 return false;
1657 }
1658 }
1659 }
1660 return true;
1661 }
1662
1663 static void dpy_refresh(DisplayState *s)
1664 {
1665 DisplayChangeListener *dcl;
1666
1667 QLIST_FOREACH(dcl, &s->listeners, next) {
1668 if (dcl->ops->dpy_refresh) {
1669 dcl->ops->dpy_refresh(dcl);
1670 }
1671 }
1672 }
1673
1674 void dpy_text_cursor(QemuConsole *con, int x, int y)
1675 {
1676 DisplayState *s = con->ds;
1677 DisplayChangeListener *dcl;
1678
1679 if (!qemu_console_is_visible(con)) {
1680 return;
1681 }
1682 QLIST_FOREACH(dcl, &s->listeners, next) {
1683 if (con != (dcl->con ? dcl->con : active_console)) {
1684 continue;
1685 }
1686 if (dcl->ops->dpy_text_cursor) {
1687 dcl->ops->dpy_text_cursor(dcl, x, y);
1688 }
1689 }
1690 }
1691
1692 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1693 {
1694 DisplayState *s = con->ds;
1695 DisplayChangeListener *dcl;
1696
1697 if (!qemu_console_is_visible(con)) {
1698 return;
1699 }
1700 QLIST_FOREACH(dcl, &s->listeners, next) {
1701 if (con != (dcl->con ? dcl->con : active_console)) {
1702 continue;
1703 }
1704 if (dcl->ops->dpy_text_update) {
1705 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1706 }
1707 }
1708 }
1709
1710 void dpy_text_resize(QemuConsole *con, int w, int h)
1711 {
1712 DisplayState *s = con->ds;
1713 DisplayChangeListener *dcl;
1714
1715 if (!qemu_console_is_visible(con)) {
1716 return;
1717 }
1718 QLIST_FOREACH(dcl, &s->listeners, next) {
1719 if (con != (dcl->con ? dcl->con : active_console)) {
1720 continue;
1721 }
1722 if (dcl->ops->dpy_text_resize) {
1723 dcl->ops->dpy_text_resize(dcl, w, h);
1724 }
1725 }
1726 }
1727
1728 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1729 {
1730 DisplayState *s = con->ds;
1731 DisplayChangeListener *dcl;
1732
1733 if (!qemu_console_is_visible(con)) {
1734 return;
1735 }
1736 QLIST_FOREACH(dcl, &s->listeners, next) {
1737 if (con != (dcl->con ? dcl->con : active_console)) {
1738 continue;
1739 }
1740 if (dcl->ops->dpy_mouse_set) {
1741 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1742 }
1743 }
1744 }
1745
1746 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1747 {
1748 DisplayState *s = con->ds;
1749 DisplayChangeListener *dcl;
1750
1751 if (!qemu_console_is_visible(con)) {
1752 return;
1753 }
1754 QLIST_FOREACH(dcl, &s->listeners, next) {
1755 if (con != (dcl->con ? dcl->con : active_console)) {
1756 continue;
1757 }
1758 if (dcl->ops->dpy_cursor_define) {
1759 dcl->ops->dpy_cursor_define(dcl, cursor);
1760 }
1761 }
1762 }
1763
1764 bool dpy_cursor_define_supported(QemuConsole *con)
1765 {
1766 DisplayState *s = con->ds;
1767 DisplayChangeListener *dcl;
1768
1769 QLIST_FOREACH(dcl, &s->listeners, next) {
1770 if (dcl->ops->dpy_cursor_define) {
1771 return true;
1772 }
1773 }
1774 return false;
1775 }
1776
1777 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1778 struct QEMUGLParams *qparams)
1779 {
1780 assert(con->gl);
1781 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1782 }
1783
1784 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1785 {
1786 assert(con->gl);
1787 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1788 }
1789
1790 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1791 {
1792 assert(con->gl);
1793 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1794 }
1795
1796 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1797 {
1798 assert(con->gl);
1799 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1800 }
1801
1802 void dpy_gl_scanout_disable(QemuConsole *con)
1803 {
1804 assert(con->gl);
1805 if (con->gl->ops->dpy_gl_scanout_disable) {
1806 con->gl->ops->dpy_gl_scanout_disable(con->gl);
1807 } else {
1808 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0,
1809 0, 0, 0, 0);
1810 }
1811 }
1812
1813 void dpy_gl_scanout_texture(QemuConsole *con,
1814 uint32_t backing_id,
1815 bool backing_y_0_top,
1816 uint32_t backing_width,
1817 uint32_t backing_height,
1818 uint32_t x, uint32_t y,
1819 uint32_t width, uint32_t height)
1820 {
1821 assert(con->gl);
1822 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id,
1823 backing_y_0_top,
1824 backing_width, backing_height,
1825 x, y, width, height);
1826 }
1827
1828 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1829 QemuDmaBuf *dmabuf)
1830 {
1831 assert(con->gl);
1832 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf);
1833 }
1834
1835 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
1836 bool have_hot, uint32_t hot_x, uint32_t hot_y)
1837 {
1838 assert(con->gl);
1839
1840 if (con->gl->ops->dpy_gl_cursor_dmabuf) {
1841 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf,
1842 have_hot, hot_x, hot_y);
1843 }
1844 }
1845
1846 void dpy_gl_cursor_position(QemuConsole *con,
1847 uint32_t pos_x, uint32_t pos_y)
1848 {
1849 assert(con->gl);
1850
1851 if (con->gl->ops->dpy_gl_cursor_position) {
1852 con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y);
1853 }
1854 }
1855
1856 void dpy_gl_release_dmabuf(QemuConsole *con,
1857 QemuDmaBuf *dmabuf)
1858 {
1859 assert(con->gl);
1860
1861 if (con->gl->ops->dpy_gl_release_dmabuf) {
1862 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf);
1863 }
1864 }
1865
1866 void dpy_gl_update(QemuConsole *con,
1867 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1868 {
1869 assert(con->gl);
1870 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1871 }
1872
1873 /***********************************************************/
1874 /* register display */
1875
1876 /* console.c internal use only */
1877 static DisplayState *get_alloc_displaystate(void)
1878 {
1879 if (!display_state) {
1880 display_state = g_new0(DisplayState, 1);
1881 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1882 text_console_update_cursor, NULL);
1883 }
1884 return display_state;
1885 }
1886
1887 /*
1888 * Called by main(), after creating QemuConsoles
1889 * and before initializing ui (sdl/vnc/...).
1890 */
1891 DisplayState *init_displaystate(void)
1892 {
1893 gchar *name;
1894 QemuConsole *con;
1895
1896 get_alloc_displaystate();
1897 QTAILQ_FOREACH(con, &consoles, next) {
1898 if (con->console_type != GRAPHIC_CONSOLE &&
1899 con->ds == NULL) {
1900 text_console_do_init(con->chr, display_state);
1901 }
1902
1903 /* Hook up into the qom tree here (not in new_console()), once
1904 * all QemuConsoles are created and the order / numbering
1905 * doesn't change any more */
1906 name = g_strdup_printf("console[%d]", con->index);
1907 object_property_add_child(container_get(object_get_root(), "/backend"),
1908 name, OBJECT(con));
1909 g_free(name);
1910 }
1911
1912 return display_state;
1913 }
1914
1915 void graphic_console_set_hwops(QemuConsole *con,
1916 const GraphicHwOps *hw_ops,
1917 void *opaque)
1918 {
1919 con->hw_ops = hw_ops;
1920 con->hw = opaque;
1921 }
1922
1923 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1924 const GraphicHwOps *hw_ops,
1925 void *opaque)
1926 {
1927 static const char noinit[] =
1928 "Guest has not initialized the display (yet).";
1929 int width = 640;
1930 int height = 480;
1931 QemuConsole *s;
1932 DisplayState *ds;
1933 DisplaySurface *surface;
1934
1935 ds = get_alloc_displaystate();
1936 s = qemu_console_lookup_unused();
1937 if (s) {
1938 trace_console_gfx_reuse(s->index);
1939 if (s->surface) {
1940 width = surface_width(s->surface);
1941 height = surface_height(s->surface);
1942 }
1943 } else {
1944 trace_console_gfx_new();
1945 s = new_console(ds, GRAPHIC_CONSOLE, head);
1946 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1947 dpy_set_ui_info_timer, s);
1948 }
1949 graphic_console_set_hwops(s, hw_ops, opaque);
1950 if (dev) {
1951 object_property_set_link(OBJECT(s), "device", OBJECT(dev),
1952 &error_abort);
1953 }
1954
1955 surface = qemu_create_message_surface(width, height, noinit);
1956 dpy_gfx_replace_surface(s, surface);
1957 return s;
1958 }
1959
1960 static const GraphicHwOps unused_ops = {
1961 /* no callbacks */
1962 };
1963
1964 void graphic_console_close(QemuConsole *con)
1965 {
1966 static const char unplugged[] =
1967 "Guest display has been unplugged";
1968 DisplaySurface *surface;
1969 int width = 640;
1970 int height = 480;
1971
1972 if (con->surface) {
1973 width = surface_width(con->surface);
1974 height = surface_height(con->surface);
1975 }
1976
1977 trace_console_gfx_close(con->index);
1978 object_property_set_link(OBJECT(con), "device", NULL, &error_abort);
1979 graphic_console_set_hwops(con, &unused_ops, NULL);
1980
1981 if (con->gl) {
1982 dpy_gl_scanout_disable(con);
1983 }
1984 surface = qemu_create_message_surface(width, height, unplugged);
1985 dpy_gfx_replace_surface(con, surface);
1986 }
1987
1988 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1989 {
1990 QemuConsole *con;
1991
1992 QTAILQ_FOREACH(con, &consoles, next) {
1993 if (con->index == index) {
1994 return con;
1995 }
1996 }
1997 return NULL;
1998 }
1999
2000 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
2001 {
2002 QemuConsole *con;
2003 Object *obj;
2004 uint32_t h;
2005
2006 QTAILQ_FOREACH(con, &consoles, next) {
2007 obj = object_property_get_link(OBJECT(con),
2008 "device", &error_abort);
2009 if (DEVICE(obj) != dev) {
2010 continue;
2011 }
2012 h = object_property_get_uint(OBJECT(con),
2013 "head", &error_abort);
2014 if (h != head) {
2015 continue;
2016 }
2017 return con;
2018 }
2019 return NULL;
2020 }
2021
2022 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
2023 uint32_t head, Error **errp)
2024 {
2025 DeviceState *dev;
2026 QemuConsole *con;
2027
2028 dev = qdev_find_recursive(sysbus_get_default(), device_id);
2029 if (dev == NULL) {
2030 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
2031 "Device '%s' not found", device_id);
2032 return NULL;
2033 }
2034
2035 con = qemu_console_lookup_by_device(dev, head);
2036 if (con == NULL) {
2037 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
2038 device_id, head);
2039 return NULL;
2040 }
2041
2042 return con;
2043 }
2044
2045 QemuConsole *qemu_console_lookup_unused(void)
2046 {
2047 QemuConsole *con;
2048 Object *obj;
2049
2050 QTAILQ_FOREACH(con, &consoles, next) {
2051 if (con->hw_ops != &unused_ops) {
2052 continue;
2053 }
2054 obj = object_property_get_link(OBJECT(con),
2055 "device", &error_abort);
2056 if (obj != NULL) {
2057 continue;
2058 }
2059 return con;
2060 }
2061 return NULL;
2062 }
2063
2064 bool qemu_console_is_visible(QemuConsole *con)
2065 {
2066 return (con == active_console) || (con->dcls > 0);
2067 }
2068
2069 bool qemu_console_is_graphic(QemuConsole *con)
2070 {
2071 if (con == NULL) {
2072 con = active_console;
2073 }
2074 return con && (con->console_type == GRAPHIC_CONSOLE);
2075 }
2076
2077 bool qemu_console_is_fixedsize(QemuConsole *con)
2078 {
2079 if (con == NULL) {
2080 con = active_console;
2081 }
2082 return con && (con->console_type != TEXT_CONSOLE);
2083 }
2084
2085 bool qemu_console_is_gl_blocked(QemuConsole *con)
2086 {
2087 assert(con != NULL);
2088 return con->gl_block;
2089 }
2090
2091 char *qemu_console_get_label(QemuConsole *con)
2092 {
2093 if (con->console_type == GRAPHIC_CONSOLE) {
2094 if (con->device) {
2095 return g_strdup(object_get_typename(con->device));
2096 }
2097 return g_strdup("VGA");
2098 } else {
2099 if (con->chr && con->chr->label) {
2100 return g_strdup(con->chr->label);
2101 }
2102 return g_strdup_printf("vc%d", con->index);
2103 }
2104 }
2105
2106 int qemu_console_get_index(QemuConsole *con)
2107 {
2108 if (con == NULL) {
2109 con = active_console;
2110 }
2111 return con ? con->index : -1;
2112 }
2113
2114 uint32_t qemu_console_get_head(QemuConsole *con)
2115 {
2116 if (con == NULL) {
2117 con = active_console;
2118 }
2119 return con ? con->head : -1;
2120 }
2121
2122 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
2123 {
2124 assert(con != NULL);
2125 return &con->ui_info;
2126 }
2127
2128 int qemu_console_get_width(QemuConsole *con, int fallback)
2129 {
2130 if (con == NULL) {
2131 con = active_console;
2132 }
2133 return con ? surface_width(con->surface) : fallback;
2134 }
2135
2136 int qemu_console_get_height(QemuConsole *con, int fallback)
2137 {
2138 if (con == NULL) {
2139 con = active_console;
2140 }
2141 return con ? surface_height(con->surface) : fallback;
2142 }
2143
2144 static void vc_chr_set_echo(Chardev *chr, bool echo)
2145 {
2146 VCChardev *drv = VC_CHARDEV(chr);
2147 QemuConsole *s = drv->console;
2148
2149 s->echo = echo;
2150 }
2151
2152 static void text_console_update_cursor_timer(void)
2153 {
2154 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
2155 + CONSOLE_CURSOR_PERIOD / 2);
2156 }
2157
2158 static void text_console_update_cursor(void *opaque)
2159 {
2160 QemuConsole *s;
2161 int count = 0;
2162
2163 cursor_visible_phase = !cursor_visible_phase;
2164
2165 QTAILQ_FOREACH(s, &consoles, next) {
2166 if (qemu_console_is_graphic(s) ||
2167 !qemu_console_is_visible(s)) {
2168 continue;
2169 }
2170 count++;
2171 graphic_hw_invalidate(s);
2172 }
2173
2174 if (count) {
2175 text_console_update_cursor_timer();
2176 }
2177 }
2178
2179 static const GraphicHwOps text_console_ops = {
2180 .invalidate = text_console_invalidate,
2181 .text_update = text_console_update,
2182 };
2183
2184 static void text_console_do_init(Chardev *chr, DisplayState *ds)
2185 {
2186 VCChardev *drv = VC_CHARDEV(chr);
2187 QemuConsole *s = drv->console;
2188 int g_width = 80 * FONT_WIDTH;
2189 int g_height = 24 * FONT_HEIGHT;
2190
2191 s->out_fifo.buf = s->out_fifo_buf;
2192 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
2193 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
2194 s->ds = ds;
2195
2196 s->y_displayed = 0;
2197 s->y_base = 0;
2198 s->total_height = DEFAULT_BACKSCROLL;
2199 s->x = 0;
2200 s->y = 0;
2201 if (!s->surface) {
2202 if (active_console && active_console->surface) {
2203 g_width = surface_width(active_console->surface);
2204 g_height = surface_height(active_console->surface);
2205 }
2206 s->surface = qemu_create_displaysurface(g_width, g_height);
2207 }
2208
2209 s->hw_ops = &text_console_ops;
2210 s->hw = s;
2211
2212 /* Set text attribute defaults */
2213 s->t_attrib_default.bold = 0;
2214 s->t_attrib_default.uline = 0;
2215 s->t_attrib_default.blink = 0;
2216 s->t_attrib_default.invers = 0;
2217 s->t_attrib_default.unvisible = 0;
2218 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2219 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2220 /* set current text attributes to default */
2221 s->t_attrib = s->t_attrib_default;
2222 text_console_resize(s);
2223
2224 if (chr->label) {
2225 char *msg;
2226
2227 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2228 msg = g_strdup_printf("%s console\r\n", chr->label);
2229 vc_chr_write(chr, (uint8_t *)msg, strlen(msg));
2230 g_free(msg);
2231 s->t_attrib = s->t_attrib_default;
2232 }
2233
2234 qemu_chr_be_event(chr, CHR_EVENT_OPENED);
2235 }
2236
2237 static void vc_chr_open(Chardev *chr,
2238 ChardevBackend *backend,
2239 bool *be_opened,
2240 Error **errp)
2241 {
2242 ChardevVC *vc = backend->u.vc.data;
2243 VCChardev *drv = VC_CHARDEV(chr);
2244 QemuConsole *s;
2245 unsigned width = 0;
2246 unsigned height = 0;
2247
2248 if (vc->has_width) {
2249 width = vc->width;
2250 } else if (vc->has_cols) {
2251 width = vc->cols * FONT_WIDTH;
2252 }
2253
2254 if (vc->has_height) {
2255 height = vc->height;
2256 } else if (vc->has_rows) {
2257 height = vc->rows * FONT_HEIGHT;
2258 }
2259
2260 trace_console_txt_new(width, height);
2261 if (width == 0 || height == 0) {
2262 s = new_console(NULL, TEXT_CONSOLE, 0);
2263 } else {
2264 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2265 s->surface = qemu_create_displaysurface(width, height);
2266 }
2267
2268 if (!s) {
2269 error_setg(errp, "cannot create text console");
2270 return;
2271 }
2272
2273 s->chr = chr;
2274 drv->console = s;
2275
2276 if (display_state) {
2277 text_console_do_init(chr, display_state);
2278 }
2279
2280 /* console/chardev init sometimes completes elsewhere in a 2nd
2281 * stage, so defer OPENED events until they are fully initialized
2282 */
2283 *be_opened = false;
2284 }
2285
2286 void qemu_console_resize(QemuConsole *s, int width, int height)
2287 {
2288 DisplaySurface *surface;
2289
2290 assert(s->console_type == GRAPHIC_CONSOLE);
2291
2292 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) &&
2293 pixman_image_get_width(s->surface->image) == width &&
2294 pixman_image_get_height(s->surface->image) == height) {
2295 return;
2296 }
2297
2298 surface = qemu_create_displaysurface(width, height);
2299 dpy_gfx_replace_surface(s, surface);
2300 }
2301
2302 DisplaySurface *qemu_console_surface(QemuConsole *console)
2303 {
2304 return console->surface;
2305 }
2306
2307 PixelFormat qemu_default_pixelformat(int bpp)
2308 {
2309 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2310 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2311 return pf;
2312 }
2313
2314 static QemuDisplay *dpys[DISPLAY_TYPE__MAX];
2315
2316 void qemu_display_register(QemuDisplay *ui)
2317 {
2318 assert(ui->type < DISPLAY_TYPE__MAX);
2319 dpys[ui->type] = ui;
2320 }
2321
2322 bool qemu_display_find_default(DisplayOptions *opts)
2323 {
2324 static DisplayType prio[] = {
2325 DISPLAY_TYPE_GTK,
2326 DISPLAY_TYPE_SDL,
2327 DISPLAY_TYPE_COCOA
2328 };
2329 int i;
2330
2331 for (i = 0; i < ARRAY_SIZE(prio); i++) {
2332 if (dpys[prio[i]] == NULL) {
2333 ui_module_load_one(DisplayType_str(prio[i]));
2334 }
2335 if (dpys[prio[i]] == NULL) {
2336 continue;
2337 }
2338 opts->type = prio[i];
2339 return true;
2340 }
2341 return false;
2342 }
2343
2344 void qemu_display_early_init(DisplayOptions *opts)
2345 {
2346 assert(opts->type < DISPLAY_TYPE__MAX);
2347 if (opts->type == DISPLAY_TYPE_NONE) {
2348 return;
2349 }
2350 if (dpys[opts->type] == NULL) {
2351 ui_module_load_one(DisplayType_str(opts->type));
2352 }
2353 if (dpys[opts->type] == NULL) {
2354 error_report("Display '%s' is not available.",
2355 DisplayType_str(opts->type));
2356 exit(1);
2357 }
2358 if (dpys[opts->type]->early_init) {
2359 dpys[opts->type]->early_init(opts);
2360 }
2361 }
2362
2363 void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
2364 {
2365 assert(opts->type < DISPLAY_TYPE__MAX);
2366 if (opts->type == DISPLAY_TYPE_NONE) {
2367 return;
2368 }
2369 assert(dpys[opts->type] != NULL);
2370 dpys[opts->type]->init(ds, opts);
2371 }
2372
2373 void qemu_display_help(void)
2374 {
2375 int idx;
2376
2377 printf("Available display backend types:\n");
2378 printf("none\n");
2379 for (idx = DISPLAY_TYPE_NONE; idx < DISPLAY_TYPE__MAX; idx++) {
2380 if (!dpys[idx]) {
2381 ui_module_load_one(DisplayType_str(idx));
2382 }
2383 if (dpys[idx]) {
2384 printf("%s\n", DisplayType_str(dpys[idx]->type));
2385 }
2386 }
2387 }
2388
2389 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
2390 {
2391 int val;
2392 ChardevVC *vc;
2393
2394 backend->type = CHARDEV_BACKEND_KIND_VC;
2395 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2396 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2397
2398 val = qemu_opt_get_number(opts, "width", 0);
2399 if (val != 0) {
2400 vc->has_width = true;
2401 vc->width = val;
2402 }
2403
2404 val = qemu_opt_get_number(opts, "height", 0);
2405 if (val != 0) {
2406 vc->has_height = true;
2407 vc->height = val;
2408 }
2409
2410 val = qemu_opt_get_number(opts, "cols", 0);
2411 if (val != 0) {
2412 vc->has_cols = true;
2413 vc->cols = val;
2414 }
2415
2416 val = qemu_opt_get_number(opts, "rows", 0);
2417 if (val != 0) {
2418 vc->has_rows = true;
2419 vc->rows = val;
2420 }
2421 }
2422
2423 static const TypeInfo qemu_console_info = {
2424 .name = TYPE_QEMU_CONSOLE,
2425 .parent = TYPE_OBJECT,
2426 .instance_size = sizeof(QemuConsole),
2427 .class_size = sizeof(QemuConsoleClass),
2428 };
2429
2430 static void char_vc_class_init(ObjectClass *oc, void *data)
2431 {
2432 ChardevClass *cc = CHARDEV_CLASS(oc);
2433
2434 cc->parse = qemu_chr_parse_vc;
2435 cc->open = vc_chr_open;
2436 cc->chr_write = vc_chr_write;
2437 cc->chr_set_echo = vc_chr_set_echo;
2438 }
2439
2440 static const TypeInfo char_vc_type_info = {
2441 .name = TYPE_CHARDEV_VC,
2442 .parent = TYPE_CHARDEV,
2443 .instance_size = sizeof(VCChardev),
2444 .class_init = char_vc_class_init,
2445 };
2446
2447 void qemu_console_early_init(void)
2448 {
2449 /* set the default vc driver */
2450 if (!object_class_by_name(TYPE_CHARDEV_VC)) {
2451 type_register(&char_vc_type_info);
2452 }
2453 }
2454
2455 static void register_types(void)
2456 {
2457 type_register_static(&qemu_console_info);
2458 }
2459
2460 type_init(register_types);
Random patches