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failover: Remove memory leak
[qemu.git] / ui / console.c
blob53dee8e26b17412ae561ccf769ad3f3f23be27e5
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 if (con) {
268 qemu_co_queue_restart_all(&con->dump_queue);
269 }
270 }
271
272 void graphic_hw_update(QemuConsole *con)
273 {
274 bool async = false;
275 con = con ? con : active_console;
276 if (!con) {
277 return;
278 }
279 if (con->hw_ops->gfx_update) {
280 con->hw_ops->gfx_update(con->hw);
281 async = con->hw_ops->gfx_update_async;
282 }
283 if (!async) {
284 graphic_hw_update_done(con);
285 }
286 }
287
288 void graphic_hw_gl_block(QemuConsole *con, bool block)
289 {
290 assert(con != NULL);
291
292 con->gl_block = block;
293 if (con->hw_ops->gl_block) {
294 con->hw_ops->gl_block(con->hw, block);
295 }
296 }
297
298 int qemu_console_get_window_id(QemuConsole *con)
299 {
300 return con->window_id;
301 }
302
303 void qemu_console_set_window_id(QemuConsole *con, int window_id)
304 {
305 con->window_id = window_id;
306 }
307
308 void graphic_hw_invalidate(QemuConsole *con)
309 {
310 if (!con) {
311 con = active_console;
312 }
313 if (con && con->hw_ops->invalidate) {
314 con->hw_ops->invalidate(con->hw);
315 }
316 }
317
318 static bool ppm_save(int fd, pixman_image_t *image, Error **errp)
319 {
320 int width = pixman_image_get_width(image);
321 int height = pixman_image_get_height(image);
322 g_autoptr(Object) ioc = OBJECT(qio_channel_file_new_fd(fd));
323 g_autofree char *header = NULL;
324 g_autoptr(pixman_image_t) linebuf = NULL;
325 int y;
326
327 trace_ppm_save(fd, image);
328
329 header = g_strdup_printf("P6\n%d %d\n%d\n", width, height, 255);
330 if (qio_channel_write_all(QIO_CHANNEL(ioc),
331 header, strlen(header), errp) < 0) {
332 return false;
333 }
334
335 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
336 for (y = 0; y < height; y++) {
337 qemu_pixman_linebuf_fill(linebuf, image, width, 0, y);
338 if (qio_channel_write_all(QIO_CHANNEL(ioc),
339 (char *)pixman_image_get_data(linebuf),
340 pixman_image_get_stride(linebuf), errp) < 0) {
341 return false;
342 }
343 }
344
345 return true;
346 }
347
348 static void graphic_hw_update_bh(void *con)
349 {
350 graphic_hw_update(con);
351 }
352
353 /* Safety: coroutine-only, concurrent-coroutine safe, main thread only */
354 void coroutine_fn
355 qmp_screendump(const char *filename, bool has_device, const char *device,
356 bool has_head, int64_t head, Error **errp)
357 {
358 g_autoptr(pixman_image_t) image = NULL;
359 QemuConsole *con;
360 DisplaySurface *surface;
361 int fd;
362
363 if (has_device) {
364 con = qemu_console_lookup_by_device_name(device, has_head ? head : 0,
365 errp);
366 if (!con) {
367 return;
368 }
369 } else {
370 if (has_head) {
371 error_setg(errp, "'head' must be specified together with 'device'");
372 return;
373 }
374 con = qemu_console_lookup_by_index(0);
375 if (!con) {
376 error_setg(errp, "There is no console to take a screendump from");
377 return;
378 }
379 }
380
381 if (qemu_co_queue_empty(&con->dump_queue)) {
382 /* Defer the update, it will restart the pending coroutines */
383 aio_bh_schedule_oneshot(qemu_get_aio_context(),
384 graphic_hw_update_bh, con);
385 }
386 qemu_co_queue_wait(&con->dump_queue, NULL);
387
388 /*
389 * All pending coroutines are woken up, while the BQL is held. No
390 * further graphic update are possible until it is released. Take
391 * an image ref before that.
392 */
393 surface = qemu_console_surface(con);
394 if (!surface) {
395 error_setg(errp, "no surface");
396 return;
397 }
398 image = pixman_image_ref(surface->image);
399
400 fd = qemu_open_old(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
401 if (fd == -1) {
402 error_setg(errp, "failed to open file '%s': %s", filename,
403 strerror(errno));
404 return;
405 }
406
407 /*
408 * The image content could potentially be updated as the coroutine
409 * yields and releases the BQL. It could produce corrupted dump, but
410 * it should be otherwise safe.
411 */
412 if (!ppm_save(fd, image, errp)) {
413 qemu_unlink(filename);
414 }
415 }
416
417 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
418 {
419 if (!con) {
420 con = active_console;
421 }
422 if (con && con->hw_ops->text_update) {
423 con->hw_ops->text_update(con->hw, chardata);
424 }
425 }
426
427 static void vga_fill_rect(QemuConsole *con,
428 int posx, int posy, int width, int height,
429 pixman_color_t color)
430 {
431 DisplaySurface *surface = qemu_console_surface(con);
432 pixman_rectangle16_t rect = {
433 .x = posx, .y = posy, .width = width, .height = height
434 };
435
436 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
437 &color, 1, &rect);
438 }
439
440 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
441 static void vga_bitblt(QemuConsole *con,
442 int xs, int ys, int xd, int yd, int w, int h)
443 {
444 DisplaySurface *surface = qemu_console_surface(con);
445
446 pixman_image_composite(PIXMAN_OP_SRC,
447 surface->image, NULL, surface->image,
448 xs, ys, 0, 0, xd, yd, w, h);
449 }
450
451 /***********************************************************/
452 /* basic char display */
453
454 #define FONT_HEIGHT 16
455 #define FONT_WIDTH 8
456
457 #include "vgafont.h"
458
459 #define QEMU_RGB(r, g, b) \
460 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
461
462 static const pixman_color_t color_table_rgb[2][8] = {
463 { /* dark */
464 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
465 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
466 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
467 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
468 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
469 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
470 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
471 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
472 },
473 { /* bright */
474 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
475 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
476 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
477 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
478 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
479 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
480 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
481 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
482 }
483 };
484
485 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
486 TextAttributes *t_attrib)
487 {
488 static pixman_image_t *glyphs[256];
489 DisplaySurface *surface = qemu_console_surface(s);
490 pixman_color_t fgcol, bgcol;
491
492 if (t_attrib->invers) {
493 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
494 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
495 } else {
496 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
497 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
498 }
499
500 if (!glyphs[ch]) {
501 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
502 }
503 qemu_pixman_glyph_render(glyphs[ch], surface->image,
504 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
505 }
506
507 static void text_console_resize(QemuConsole *s)
508 {
509 TextCell *cells, *c, *c1;
510 int w1, x, y, last_width;
511
512 last_width = s->width;
513 s->width = surface_width(s->surface) / FONT_WIDTH;
514 s->height = surface_height(s->surface) / FONT_HEIGHT;
515
516 w1 = last_width;
517 if (s->width < w1)
518 w1 = s->width;
519
520 cells = g_new(TextCell, s->width * s->total_height + 1);
521 for(y = 0; y < s->total_height; y++) {
522 c = &cells[y * s->width];
523 if (w1 > 0) {
524 c1 = &s->cells[y * last_width];
525 for(x = 0; x < w1; x++) {
526 *c++ = *c1++;
527 }
528 }
529 for(x = w1; x < s->width; x++) {
530 c->ch = ' ';
531 c->t_attrib = s->t_attrib_default;
532 c++;
533 }
534 }
535 g_free(s->cells);
536 s->cells = cells;
537 }
538
539 static inline void text_update_xy(QemuConsole *s, int x, int y)
540 {
541 s->text_x[0] = MIN(s->text_x[0], x);
542 s->text_x[1] = MAX(s->text_x[1], x);
543 s->text_y[0] = MIN(s->text_y[0], y);
544 s->text_y[1] = MAX(s->text_y[1], y);
545 }
546
547 static void invalidate_xy(QemuConsole *s, int x, int y)
548 {
549 if (!qemu_console_is_visible(s)) {
550 return;
551 }
552 if (s->update_x0 > x * FONT_WIDTH)
553 s->update_x0 = x * FONT_WIDTH;
554 if (s->update_y0 > y * FONT_HEIGHT)
555 s->update_y0 = y * FONT_HEIGHT;
556 if (s->update_x1 < (x + 1) * FONT_WIDTH)
557 s->update_x1 = (x + 1) * FONT_WIDTH;
558 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
559 s->update_y1 = (y + 1) * FONT_HEIGHT;
560 }
561
562 static void update_xy(QemuConsole *s, int x, int y)
563 {
564 TextCell *c;
565 int y1, y2;
566
567 if (s->ds->have_text) {
568 text_update_xy(s, x, y);
569 }
570
571 y1 = (s->y_base + y) % s->total_height;
572 y2 = y1 - s->y_displayed;
573 if (y2 < 0) {
574 y2 += s->total_height;
575 }
576 if (y2 < s->height) {
577 if (x >= s->width) {
578 x = s->width - 1;
579 }
580 c = &s->cells[y1 * s->width + x];
581 vga_putcharxy(s, x, y2, c->ch,
582 &(c->t_attrib));
583 invalidate_xy(s, x, y2);
584 }
585 }
586
587 static void console_show_cursor(QemuConsole *s, int show)
588 {
589 TextCell *c;
590 int y, y1;
591 int x = s->x;
592
593 if (s->ds->have_text) {
594 s->cursor_invalidate = 1;
595 }
596
597 if (x >= s->width) {
598 x = s->width - 1;
599 }
600 y1 = (s->y_base + s->y) % s->total_height;
601 y = y1 - s->y_displayed;
602 if (y < 0) {
603 y += s->total_height;
604 }
605 if (y < s->height) {
606 c = &s->cells[y1 * s->width + x];
607 if (show && cursor_visible_phase) {
608 TextAttributes t_attrib = s->t_attrib_default;
609 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
610 vga_putcharxy(s, x, y, c->ch, &t_attrib);
611 } else {
612 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
613 }
614 invalidate_xy(s, x, y);
615 }
616 }
617
618 static void console_refresh(QemuConsole *s)
619 {
620 DisplaySurface *surface = qemu_console_surface(s);
621 TextCell *c;
622 int x, y, y1;
623
624 if (s->ds->have_text) {
625 s->text_x[0] = 0;
626 s->text_y[0] = 0;
627 s->text_x[1] = s->width - 1;
628 s->text_y[1] = s->height - 1;
629 s->cursor_invalidate = 1;
630 }
631
632 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
633 color_table_rgb[0][QEMU_COLOR_BLACK]);
634 y1 = s->y_displayed;
635 for (y = 0; y < s->height; y++) {
636 c = s->cells + y1 * s->width;
637 for (x = 0; x < s->width; x++) {
638 vga_putcharxy(s, x, y, c->ch,
639 &(c->t_attrib));
640 c++;
641 }
642 if (++y1 == s->total_height) {
643 y1 = 0;
644 }
645 }
646 console_show_cursor(s, 1);
647 dpy_gfx_update(s, 0, 0,
648 surface_width(surface), surface_height(surface));
649 }
650
651 static void console_scroll(QemuConsole *s, int ydelta)
652 {
653 int i, y1;
654
655 if (ydelta > 0) {
656 for(i = 0; i < ydelta; i++) {
657 if (s->y_displayed == s->y_base)
658 break;
659 if (++s->y_displayed == s->total_height)
660 s->y_displayed = 0;
661 }
662 } else {
663 ydelta = -ydelta;
664 i = s->backscroll_height;
665 if (i > s->total_height - s->height)
666 i = s->total_height - s->height;
667 y1 = s->y_base - i;
668 if (y1 < 0)
669 y1 += s->total_height;
670 for(i = 0; i < ydelta; i++) {
671 if (s->y_displayed == y1)
672 break;
673 if (--s->y_displayed < 0)
674 s->y_displayed = s->total_height - 1;
675 }
676 }
677 console_refresh(s);
678 }
679
680 static void console_put_lf(QemuConsole *s)
681 {
682 TextCell *c;
683 int x, y1;
684
685 s->y++;
686 if (s->y >= s->height) {
687 s->y = s->height - 1;
688
689 if (s->y_displayed == s->y_base) {
690 if (++s->y_displayed == s->total_height)
691 s->y_displayed = 0;
692 }
693 if (++s->y_base == s->total_height)
694 s->y_base = 0;
695 if (s->backscroll_height < s->total_height)
696 s->backscroll_height++;
697 y1 = (s->y_base + s->height - 1) % s->total_height;
698 c = &s->cells[y1 * s->width];
699 for(x = 0; x < s->width; x++) {
700 c->ch = ' ';
701 c->t_attrib = s->t_attrib_default;
702 c++;
703 }
704 if (s->y_displayed == s->y_base) {
705 if (s->ds->have_text) {
706 s->text_x[0] = 0;
707 s->text_y[0] = 0;
708 s->text_x[1] = s->width - 1;
709 s->text_y[1] = s->height - 1;
710 }
711
712 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
713 s->width * FONT_WIDTH,
714 (s->height - 1) * FONT_HEIGHT);
715 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
716 s->width * FONT_WIDTH, FONT_HEIGHT,
717 color_table_rgb[0][s->t_attrib_default.bgcol]);
718 s->update_x0 = 0;
719 s->update_y0 = 0;
720 s->update_x1 = s->width * FONT_WIDTH;
721 s->update_y1 = s->height * FONT_HEIGHT;
722 }
723 }
724 }
725
726 /* Set console attributes depending on the current escape codes.
727 * NOTE: I know this code is not very efficient (checking every color for it
728 * self) but it is more readable and better maintainable.
729 */
730 static void console_handle_escape(QemuConsole *s)
731 {
732 int i;
733
734 for (i=0; i<s->nb_esc_params; i++) {
735 switch (s->esc_params[i]) {
736 case 0: /* reset all console attributes to default */
737 s->t_attrib = s->t_attrib_default;
738 break;
739 case 1:
740 s->t_attrib.bold = 1;
741 break;
742 case 4:
743 s->t_attrib.uline = 1;
744 break;
745 case 5:
746 s->t_attrib.blink = 1;
747 break;
748 case 7:
749 s->t_attrib.invers = 1;
750 break;
751 case 8:
752 s->t_attrib.unvisible = 1;
753 break;
754 case 22:
755 s->t_attrib.bold = 0;
756 break;
757 case 24:
758 s->t_attrib.uline = 0;
759 break;
760 case 25:
761 s->t_attrib.blink = 0;
762 break;
763 case 27:
764 s->t_attrib.invers = 0;
765 break;
766 case 28:
767 s->t_attrib.unvisible = 0;
768 break;
769 /* set foreground color */
770 case 30:
771 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
772 break;
773 case 31:
774 s->t_attrib.fgcol = QEMU_COLOR_RED;
775 break;
776 case 32:
777 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
778 break;
779 case 33:
780 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
781 break;
782 case 34:
783 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
784 break;
785 case 35:
786 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
787 break;
788 case 36:
789 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
790 break;
791 case 37:
792 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
793 break;
794 /* set background color */
795 case 40:
796 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
797 break;
798 case 41:
799 s->t_attrib.bgcol = QEMU_COLOR_RED;
800 break;
801 case 42:
802 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
803 break;
804 case 43:
805 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
806 break;
807 case 44:
808 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
809 break;
810 case 45:
811 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
812 break;
813 case 46:
814 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
815 break;
816 case 47:
817 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
818 break;
819 }
820 }
821 }
822
823 static void console_clear_xy(QemuConsole *s, int x, int y)
824 {
825 int y1 = (s->y_base + y) % s->total_height;
826 if (x >= s->width) {
827 x = s->width - 1;
828 }
829 TextCell *c = &s->cells[y1 * s->width + x];
830 c->ch = ' ';
831 c->t_attrib = s->t_attrib_default;
832 update_xy(s, x, y);
833 }
834
835 static void console_put_one(QemuConsole *s, int ch)
836 {
837 TextCell *c;
838 int y1;
839 if (s->x >= s->width) {
840 /* line wrap */
841 s->x = 0;
842 console_put_lf(s);
843 }
844 y1 = (s->y_base + s->y) % s->total_height;
845 c = &s->cells[y1 * s->width + s->x];
846 c->ch = ch;
847 c->t_attrib = s->t_attrib;
848 update_xy(s, s->x, s->y);
849 s->x++;
850 }
851
852 static void console_respond_str(QemuConsole *s, const char *buf)
853 {
854 while (*buf) {
855 console_put_one(s, *buf);
856 buf++;
857 }
858 }
859
860 /* set cursor, checking bounds */
861 static void set_cursor(QemuConsole *s, int x, int y)
862 {
863 if (x < 0) {
864 x = 0;
865 }
866 if (y < 0) {
867 y = 0;
868 }
869 if (y >= s->height) {
870 y = s->height - 1;
871 }
872 if (x >= s->width) {
873 x = s->width - 1;
874 }
875
876 s->x = x;
877 s->y = y;
878 }
879
880 static void console_putchar(QemuConsole *s, int ch)
881 {
882 int i;
883 int x, y;
884 char response[40];
885
886 switch(s->state) {
887 case TTY_STATE_NORM:
888 switch(ch) {
889 case '\r': /* carriage return */
890 s->x = 0;
891 break;
892 case '\n': /* newline */
893 console_put_lf(s);
894 break;
895 case '\b': /* backspace */
896 if (s->x > 0)
897 s->x--;
898 break;
899 case '\t': /* tabspace */
900 if (s->x + (8 - (s->x % 8)) > s->width) {
901 s->x = 0;
902 console_put_lf(s);
903 } else {
904 s->x = s->x + (8 - (s->x % 8));
905 }
906 break;
907 case '\a': /* alert aka. bell */
908 /* TODO: has to be implemented */
909 break;
910 case 14:
911 /* SI (shift in), character set 0 (ignored) */
912 break;
913 case 15:
914 /* SO (shift out), character set 1 (ignored) */
915 break;
916 case 27: /* esc (introducing an escape sequence) */
917 s->state = TTY_STATE_ESC;
918 break;
919 default:
920 console_put_one(s, ch);
921 break;
922 }
923 break;
924 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
925 if (ch == '[') {
926 for(i=0;i<MAX_ESC_PARAMS;i++)
927 s->esc_params[i] = 0;
928 s->nb_esc_params = 0;
929 s->state = TTY_STATE_CSI;
930 } else {
931 s->state = TTY_STATE_NORM;
932 }
933 break;
934 case TTY_STATE_CSI: /* handle escape sequence parameters */
935 if (ch >= '0' && ch <= '9') {
936 if (s->nb_esc_params < MAX_ESC_PARAMS) {
937 int *param = &s->esc_params[s->nb_esc_params];
938 int digit = (ch - '0');
939
940 *param = (*param <= (INT_MAX - digit) / 10) ?
941 *param * 10 + digit : INT_MAX;
942 }
943 } else {
944 if (s->nb_esc_params < MAX_ESC_PARAMS)
945 s->nb_esc_params++;
946 if (ch == ';' || ch == '?') {
947 break;
948 }
949 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
950 ch, s->nb_esc_params);
951 s->state = TTY_STATE_NORM;
952 switch(ch) {
953 case 'A':
954 /* move cursor up */
955 if (s->esc_params[0] == 0) {
956 s->esc_params[0] = 1;
957 }
958 set_cursor(s, s->x, s->y - s->esc_params[0]);
959 break;
960 case 'B':
961 /* move cursor down */
962 if (s->esc_params[0] == 0) {
963 s->esc_params[0] = 1;
964 }
965 set_cursor(s, s->x, s->y + s->esc_params[0]);
966 break;
967 case 'C':
968 /* move cursor right */
969 if (s->esc_params[0] == 0) {
970 s->esc_params[0] = 1;
971 }
972 set_cursor(s, s->x + s->esc_params[0], s->y);
973 break;
974 case 'D':
975 /* move cursor left */
976 if (s->esc_params[0] == 0) {
977 s->esc_params[0] = 1;
978 }
979 set_cursor(s, s->x - s->esc_params[0], s->y);
980 break;
981 case 'G':
982 /* move cursor to column */
983 set_cursor(s, s->esc_params[0] - 1, s->y);
984 break;
985 case 'f':
986 case 'H':
987 /* move cursor to row, column */
988 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
989 break;
990 case 'J':
991 switch (s->esc_params[0]) {
992 case 0:
993 /* clear to end of screen */
994 for (y = s->y; y < s->height; y++) {
995 for (x = 0; x < s->width; x++) {
996 if (y == s->y && x < s->x) {
997 continue;
998 }
999 console_clear_xy(s, x, y);
1000 }
1001 }
1002 break;
1003 case 1:
1004 /* clear from beginning of screen */
1005 for (y = 0; y <= s->y; y++) {
1006 for (x = 0; x < s->width; x++) {
1007 if (y == s->y && x > s->x) {
1008 break;
1009 }
1010 console_clear_xy(s, x, y);
1011 }
1012 }
1013 break;
1014 case 2:
1015 /* clear entire screen */
1016 for (y = 0; y <= s->height; y++) {
1017 for (x = 0; x < s->width; x++) {
1018 console_clear_xy(s, x, y);
1019 }
1020 }
1021 break;
1022 }
1023 break;
1024 case 'K':
1025 switch (s->esc_params[0]) {
1026 case 0:
1027 /* clear to eol */
1028 for(x = s->x; x < s->width; x++) {
1029 console_clear_xy(s, x, s->y);
1030 }
1031 break;
1032 case 1:
1033 /* clear from beginning of line */
1034 for (x = 0; x <= s->x && x < s->width; x++) {
1035 console_clear_xy(s, x, s->y);
1036 }
1037 break;
1038 case 2:
1039 /* clear entire line */
1040 for(x = 0; x < s->width; x++) {
1041 console_clear_xy(s, x, s->y);
1042 }
1043 break;
1044 }
1045 break;
1046 case 'm':
1047 console_handle_escape(s);
1048 break;
1049 case 'n':
1050 switch (s->esc_params[0]) {
1051 case 5:
1052 /* report console status (always succeed)*/
1053 console_respond_str(s, "\033[0n");
1054 break;
1055 case 6:
1056 /* report cursor position */
1057 sprintf(response, "\033[%d;%dR",
1058 (s->y_base + s->y) % s->total_height + 1,
1059 s->x + 1);
1060 console_respond_str(s, response);
1061 break;
1062 }
1063 break;
1064 case 's':
1065 /* save cursor position */
1066 s->x_saved = s->x;
1067 s->y_saved = s->y;
1068 break;
1069 case 'u':
1070 /* restore cursor position */
1071 s->x = s->x_saved;
1072 s->y = s->y_saved;
1073 break;
1074 default:
1075 trace_console_putchar_unhandled(ch);
1076 break;
1077 }
1078 break;
1079 }
1080 }
1081 }
1082
1083 void console_select(unsigned int index)
1084 {
1085 DisplayChangeListener *dcl;
1086 QemuConsole *s;
1087
1088 trace_console_select(index);
1089 s = qemu_console_lookup_by_index(index);
1090 if (s) {
1091 DisplayState *ds = s->ds;
1092
1093 active_console = s;
1094 if (ds->have_gfx) {
1095 QLIST_FOREACH(dcl, &ds->listeners, next) {
1096 if (dcl->con != NULL) {
1097 continue;
1098 }
1099 if (dcl->ops->dpy_gfx_switch) {
1100 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1101 }
1102 }
1103 if (s->surface) {
1104 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1105 surface_height(s->surface));
1106 }
1107 }
1108 if (ds->have_text) {
1109 dpy_text_resize(s, s->width, s->height);
1110 }
1111 text_console_update_cursor(NULL);
1112 }
1113 }
1114
1115 struct VCChardev {
1116 Chardev parent;
1117 QemuConsole *console;
1118 };
1119 typedef struct VCChardev VCChardev;
1120
1121 #define TYPE_CHARDEV_VC "chardev-vc"
1122 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
1123 TYPE_CHARDEV_VC)
1124
1125 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1126 {
1127 VCChardev *drv = VC_CHARDEV(chr);
1128 QemuConsole *s = drv->console;
1129 int i;
1130
1131 if (!s->ds) {
1132 return 0;
1133 }
1134
1135 s->update_x0 = s->width * FONT_WIDTH;
1136 s->update_y0 = s->height * FONT_HEIGHT;
1137 s->update_x1 = 0;
1138 s->update_y1 = 0;
1139 console_show_cursor(s, 0);
1140 for(i = 0; i < len; i++) {
1141 console_putchar(s, buf[i]);
1142 }
1143 console_show_cursor(s, 1);
1144 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1145 dpy_gfx_update(s, s->update_x0, s->update_y0,
1146 s->update_x1 - s->update_x0,
1147 s->update_y1 - s->update_y0);
1148 }
1149 return len;
1150 }
1151
1152 static void kbd_send_chars(void *opaque)
1153 {
1154 QemuConsole *s = opaque;
1155 int len;
1156 uint8_t buf[16];
1157
1158 len = qemu_chr_be_can_write(s->chr);
1159 if (len > s->out_fifo.count)
1160 len = s->out_fifo.count;
1161 if (len > 0) {
1162 if (len > sizeof(buf))
1163 len = sizeof(buf);
1164 qemu_fifo_read(&s->out_fifo, buf, len);
1165 qemu_chr_be_write(s->chr, buf, len);
1166 }
1167 /* characters are pending: we send them a bit later (XXX:
1168 horrible, should change char device API) */
1169 if (s->out_fifo.count > 0) {
1170 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1171 }
1172 }
1173
1174 /* called when an ascii key is pressed */
1175 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1176 {
1177 uint8_t buf[16], *q;
1178 CharBackend *be;
1179 int c;
1180
1181 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1182 return;
1183
1184 switch(keysym) {
1185 case QEMU_KEY_CTRL_UP:
1186 console_scroll(s, -1);
1187 break;
1188 case QEMU_KEY_CTRL_DOWN:
1189 console_scroll(s, 1);
1190 break;
1191 case QEMU_KEY_CTRL_PAGEUP:
1192 console_scroll(s, -10);
1193 break;
1194 case QEMU_KEY_CTRL_PAGEDOWN:
1195 console_scroll(s, 10);
1196 break;
1197 default:
1198 /* convert the QEMU keysym to VT100 key string */
1199 q = buf;
1200 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1201 *q++ = '\033';
1202 *q++ = '[';
1203 c = keysym - 0xe100;
1204 if (c >= 10)
1205 *q++ = '0' + (c / 10);
1206 *q++ = '0' + (c % 10);
1207 *q++ = '~';
1208 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1209 *q++ = '\033';
1210 *q++ = '[';
1211 *q++ = keysym & 0xff;
1212 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1213 vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
1214 *q++ = '\n';
1215 } else {
1216 *q++ = keysym;
1217 }
1218 if (s->echo) {
1219 vc_chr_write(s->chr, buf, q - buf);
1220 }
1221 be = s->chr->be;
1222 if (be && be->chr_read) {
1223 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1224 kbd_send_chars(s);
1225 }
1226 break;
1227 }
1228 }
1229
1230 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1231 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1232 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1233 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1234 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1235 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1236 [Q_KEY_CODE_END] = QEMU_KEY_END,
1237 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1238 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1239 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1240 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1241 };
1242
1243 static const int ctrl_qcode_to_keysym[Q_KEY_CODE__MAX] = {
1244 [Q_KEY_CODE_UP] = QEMU_KEY_CTRL_UP,
1245 [Q_KEY_CODE_DOWN] = QEMU_KEY_CTRL_DOWN,
1246 [Q_KEY_CODE_RIGHT] = QEMU_KEY_CTRL_RIGHT,
1247 [Q_KEY_CODE_LEFT] = QEMU_KEY_CTRL_LEFT,
1248 [Q_KEY_CODE_HOME] = QEMU_KEY_CTRL_HOME,
1249 [Q_KEY_CODE_END] = QEMU_KEY_CTRL_END,
1250 [Q_KEY_CODE_PGUP] = QEMU_KEY_CTRL_PAGEUP,
1251 [Q_KEY_CODE_PGDN] = QEMU_KEY_CTRL_PAGEDOWN,
1252 };
1253
1254 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl)
1255 {
1256 int keysym;
1257
1258 keysym = ctrl ? ctrl_qcode_to_keysym[qcode] : qcode_to_keysym[qcode];
1259 if (keysym == 0) {
1260 return false;
1261 }
1262 kbd_put_keysym_console(s, keysym);
1263 return true;
1264 }
1265
1266 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1267 {
1268 int i;
1269
1270 for (i = 0; i < len && str[i]; i++) {
1271 kbd_put_keysym_console(s, str[i]);
1272 }
1273 }
1274
1275 void kbd_put_keysym(int keysym)
1276 {
1277 kbd_put_keysym_console(active_console, keysym);
1278 }
1279
1280 static void text_console_invalidate(void *opaque)
1281 {
1282 QemuConsole *s = (QemuConsole *) opaque;
1283
1284 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1285 text_console_resize(s);
1286 }
1287 console_refresh(s);
1288 }
1289
1290 static void text_console_update(void *opaque, console_ch_t *chardata)
1291 {
1292 QemuConsole *s = (QemuConsole *) opaque;
1293 int i, j, src;
1294
1295 if (s->text_x[0] <= s->text_x[1]) {
1296 src = (s->y_base + s->text_y[0]) * s->width;
1297 chardata += s->text_y[0] * s->width;
1298 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1299 for (j = 0; j < s->width; j++, src++) {
1300 console_write_ch(chardata ++,
1301 ATTR2CHTYPE(s->cells[src].ch,
1302 s->cells[src].t_attrib.fgcol,
1303 s->cells[src].t_attrib.bgcol,
1304 s->cells[src].t_attrib.bold));
1305 }
1306 dpy_text_update(s, s->text_x[0], s->text_y[0],
1307 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1308 s->text_x[0] = s->width;
1309 s->text_y[0] = s->height;
1310 s->text_x[1] = 0;
1311 s->text_y[1] = 0;
1312 }
1313 if (s->cursor_invalidate) {
1314 dpy_text_cursor(s, s->x, s->y);
1315 s->cursor_invalidate = 0;
1316 }
1317 }
1318
1319 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1320 uint32_t head)
1321 {
1322 Object *obj;
1323 QemuConsole *s;
1324 int i;
1325
1326 obj = object_new(TYPE_QEMU_CONSOLE);
1327 s = QEMU_CONSOLE(obj);
1328 qemu_co_queue_init(&s->dump_queue);
1329 s->head = head;
1330 object_property_add_link(obj, "device", TYPE_DEVICE,
1331 (Object **)&s->device,
1332 object_property_allow_set_link,
1333 OBJ_PROP_LINK_STRONG);
1334 object_property_add_uint32_ptr(obj, "head", &s->head,
1335 OBJ_PROP_FLAG_READ);
1336
1337 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1338 (console_type == GRAPHIC_CONSOLE))) {
1339 active_console = s;
1340 }
1341 s->ds = ds;
1342 s->console_type = console_type;
1343 s->window_id = -1;
1344
1345 if (QTAILQ_EMPTY(&consoles)) {
1346 s->index = 0;
1347 QTAILQ_INSERT_TAIL(&consoles, s, next);
1348 } else if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) {
1349 QemuConsole *last = QTAILQ_LAST(&consoles);
1350 s->index = last->index + 1;
1351 QTAILQ_INSERT_TAIL(&consoles, s, next);
1352 } else {
1353 /*
1354 * HACK: Put graphical consoles before text consoles.
1355 *
1356 * Only do that for coldplugged devices. After initial device
1357 * initialization we will not renumber the consoles any more.
1358 */
1359 QemuConsole *c = QTAILQ_FIRST(&consoles);
1360
1361 while (QTAILQ_NEXT(c, next) != NULL &&
1362 c->console_type == GRAPHIC_CONSOLE) {
1363 c = QTAILQ_NEXT(c, next);
1364 }
1365 if (c->console_type == GRAPHIC_CONSOLE) {
1366 /* have no text consoles */
1367 s->index = c->index + 1;
1368 QTAILQ_INSERT_AFTER(&consoles, c, s, next);
1369 } else {
1370 s->index = c->index;
1371 QTAILQ_INSERT_BEFORE(c, s, next);
1372 /* renumber text consoles */
1373 for (i = s->index + 1; c != NULL; c = QTAILQ_NEXT(c, next), i++) {
1374 c->index = i;
1375 }
1376 }
1377 }
1378 return s;
1379 }
1380
1381 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1382 {
1383 qemu_pixman_image_unref(surface->image);
1384 surface->image = NULL;
1385
1386 surface->format = PIXMAN_x8r8g8b8;
1387 surface->image = pixman_image_create_bits(surface->format,
1388 width, height,
1389 NULL, width * 4);
1390 assert(surface->image != NULL);
1391
1392 surface->flags = QEMU_ALLOCATED_FLAG;
1393 }
1394
1395 DisplaySurface *qemu_create_displaysurface(int width, int height)
1396 {
1397 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1398
1399 trace_displaysurface_create(surface, width, height);
1400 qemu_alloc_display(surface, width, height);
1401 return surface;
1402 }
1403
1404 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1405 pixman_format_code_t format,
1406 int linesize, uint8_t *data)
1407 {
1408 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1409
1410 trace_displaysurface_create_from(surface, width, height, format);
1411 surface->format = format;
1412 surface->image = pixman_image_create_bits(surface->format,
1413 width, height,
1414 (void *)data, linesize);
1415 assert(surface->image != NULL);
1416
1417 return surface;
1418 }
1419
1420 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1421 {
1422 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1423
1424 trace_displaysurface_create_pixman(surface);
1425 surface->format = pixman_image_get_format(image);
1426 surface->image = pixman_image_ref(image);
1427
1428 return surface;
1429 }
1430
1431 DisplaySurface *qemu_create_message_surface(int w, int h,
1432 const char *msg)
1433 {
1434 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1435 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1436 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1437 pixman_image_t *glyph;
1438 int len, x, y, i;
1439
1440 len = strlen(msg);
1441 x = (w / FONT_WIDTH - len) / 2;
1442 y = (h / FONT_HEIGHT - 1) / 2;
1443 for (i = 0; i < len; i++) {
1444 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1445 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1446 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1447 qemu_pixman_image_unref(glyph);
1448 }
1449 return surface;
1450 }
1451
1452 void qemu_free_displaysurface(DisplaySurface *surface)
1453 {
1454 if (surface == NULL) {
1455 return;
1456 }
1457 trace_displaysurface_free(surface);
1458 qemu_pixman_image_unref(surface->image);
1459 g_free(surface);
1460 }
1461
1462 bool console_has_gl(QemuConsole *con)
1463 {
1464 return con->gl != NULL;
1465 }
1466
1467 bool console_has_gl_dmabuf(QemuConsole *con)
1468 {
1469 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL;
1470 }
1471
1472 void register_displaychangelistener(DisplayChangeListener *dcl)
1473 {
1474 static const char nodev[] =
1475 "This VM has no graphic display device.";
1476 static DisplaySurface *dummy;
1477 QemuConsole *con;
1478
1479 assert(!dcl->ds);
1480
1481 if (dcl->ops->dpy_gl_ctx_create) {
1482 /* display has opengl support */
1483 assert(dcl->con);
1484 if (dcl->con->gl) {
1485 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1486 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1487 exit(1);
1488 }
1489 dcl->con->gl = dcl;
1490 }
1491
1492 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1493 dcl->ds = get_alloc_displaystate();
1494 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1495 gui_setup_refresh(dcl->ds);
1496 if (dcl->con) {
1497 dcl->con->dcls++;
1498 con = dcl->con;
1499 } else {
1500 con = active_console;
1501 }
1502 if (dcl->ops->dpy_gfx_switch) {
1503 if (con) {
1504 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1505 } else {
1506 if (!dummy) {
1507 dummy = qemu_create_message_surface(640, 480, nodev);
1508 }
1509 dcl->ops->dpy_gfx_switch(dcl, dummy);
1510 }
1511 }
1512 text_console_update_cursor(NULL);
1513 }
1514
1515 void update_displaychangelistener(DisplayChangeListener *dcl,
1516 uint64_t interval)
1517 {
1518 DisplayState *ds = dcl->ds;
1519
1520 dcl->update_interval = interval;
1521 if (!ds->refreshing && ds->update_interval > interval) {
1522 timer_mod(ds->gui_timer, ds->last_update + interval);
1523 }
1524 }
1525
1526 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1527 {
1528 DisplayState *ds = dcl->ds;
1529 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1530 if (dcl->con) {
1531 dcl->con->dcls--;
1532 }
1533 QLIST_REMOVE(dcl, next);
1534 dcl->ds = NULL;
1535 gui_setup_refresh(ds);
1536 }
1537
1538 static void dpy_set_ui_info_timer(void *opaque)
1539 {
1540 QemuConsole *con = opaque;
1541
1542 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1543 }
1544
1545 bool dpy_ui_info_supported(QemuConsole *con)
1546 {
1547 return con->hw_ops->ui_info != NULL;
1548 }
1549
1550 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con)
1551 {
1552 assert(con != NULL);
1553
1554 return &con->ui_info;
1555 }
1556
1557 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1558 {
1559 assert(con != NULL);
1560
1561 if (!dpy_ui_info_supported(con)) {
1562 return -1;
1563 }
1564 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1565 /* nothing changed -- ignore */
1566 return 0;
1567 }
1568
1569 /*
1570 * Typically we get a flood of these as the user resizes the window.
1571 * Wait until the dust has settled (one second without updates), then
1572 * go notify the guest.
1573 */
1574 con->ui_info = *info;
1575 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1576 return 0;
1577 }
1578
1579 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1580 {
1581 DisplayState *s = con->ds;
1582 DisplayChangeListener *dcl;
1583 int width = w;
1584 int height = h;
1585
1586 if (con->surface) {
1587 width = surface_width(con->surface);
1588 height = surface_height(con->surface);
1589 }
1590 x = MAX(x, 0);
1591 y = MAX(y, 0);
1592 x = MIN(x, width);
1593 y = MIN(y, height);
1594 w = MIN(w, width - x);
1595 h = MIN(h, height - y);
1596
1597 if (!qemu_console_is_visible(con)) {
1598 return;
1599 }
1600 QLIST_FOREACH(dcl, &s->listeners, next) {
1601 if (con != (dcl->con ? dcl->con : active_console)) {
1602 continue;
1603 }
1604 if (dcl->ops->dpy_gfx_update) {
1605 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1606 }
1607 }
1608 }
1609
1610 void dpy_gfx_update_full(QemuConsole *con)
1611 {
1612 if (!con->surface) {
1613 return;
1614 }
1615 dpy_gfx_update(con, 0, 0,
1616 surface_width(con->surface),
1617 surface_height(con->surface));
1618 }
1619
1620 void dpy_gfx_replace_surface(QemuConsole *con,
1621 DisplaySurface *surface)
1622 {
1623 DisplayState *s = con->ds;
1624 DisplaySurface *old_surface = con->surface;
1625 DisplayChangeListener *dcl;
1626
1627 assert(old_surface != surface || surface == NULL);
1628
1629 con->surface = surface;
1630 QLIST_FOREACH(dcl, &s->listeners, next) {
1631 if (con != (dcl->con ? dcl->con : active_console)) {
1632 continue;
1633 }
1634 if (dcl->ops->dpy_gfx_switch) {
1635 dcl->ops->dpy_gfx_switch(dcl, surface);
1636 }
1637 }
1638 qemu_free_displaysurface(old_surface);
1639 }
1640
1641 bool dpy_gfx_check_format(QemuConsole *con,
1642 pixman_format_code_t format)
1643 {
1644 DisplayChangeListener *dcl;
1645 DisplayState *s = con->ds;
1646
1647 QLIST_FOREACH(dcl, &s->listeners, next) {
1648 if (dcl->con && dcl->con != con) {
1649 /* dcl bound to another console -> skip */
1650 continue;
1651 }
1652 if (dcl->ops->dpy_gfx_check_format) {
1653 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1654 return false;
1655 }
1656 } else {
1657 /* default is to whitelist native 32 bpp only */
1658 if (format != qemu_default_pixman_format(32, true)) {
1659 return false;
1660 }
1661 }
1662 }
1663 return true;
1664 }
1665
1666 static void dpy_refresh(DisplayState *s)
1667 {
1668 DisplayChangeListener *dcl;
1669
1670 QLIST_FOREACH(dcl, &s->listeners, next) {
1671 if (dcl->ops->dpy_refresh) {
1672 dcl->ops->dpy_refresh(dcl);
1673 }
1674 }
1675 }
1676
1677 void dpy_text_cursor(QemuConsole *con, int x, int y)
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_text_cursor) {
1690 dcl->ops->dpy_text_cursor(dcl, x, y);
1691 }
1692 }
1693 }
1694
1695 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
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_text_update) {
1708 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1709 }
1710 }
1711 }
1712
1713 void dpy_text_resize(QemuConsole *con, int w, int h)
1714 {
1715 DisplayState *s = con->ds;
1716 DisplayChangeListener *dcl;
1717
1718 if (!qemu_console_is_visible(con)) {
1719 return;
1720 }
1721 QLIST_FOREACH(dcl, &s->listeners, next) {
1722 if (con != (dcl->con ? dcl->con : active_console)) {
1723 continue;
1724 }
1725 if (dcl->ops->dpy_text_resize) {
1726 dcl->ops->dpy_text_resize(dcl, w, h);
1727 }
1728 }
1729 }
1730
1731 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1732 {
1733 DisplayState *s = con->ds;
1734 DisplayChangeListener *dcl;
1735
1736 if (!qemu_console_is_visible(con)) {
1737 return;
1738 }
1739 QLIST_FOREACH(dcl, &s->listeners, next) {
1740 if (con != (dcl->con ? dcl->con : active_console)) {
1741 continue;
1742 }
1743 if (dcl->ops->dpy_mouse_set) {
1744 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1745 }
1746 }
1747 }
1748
1749 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1750 {
1751 DisplayState *s = con->ds;
1752 DisplayChangeListener *dcl;
1753
1754 if (!qemu_console_is_visible(con)) {
1755 return;
1756 }
1757 QLIST_FOREACH(dcl, &s->listeners, next) {
1758 if (con != (dcl->con ? dcl->con : active_console)) {
1759 continue;
1760 }
1761 if (dcl->ops->dpy_cursor_define) {
1762 dcl->ops->dpy_cursor_define(dcl, cursor);
1763 }
1764 }
1765 }
1766
1767 bool dpy_cursor_define_supported(QemuConsole *con)
1768 {
1769 DisplayState *s = con->ds;
1770 DisplayChangeListener *dcl;
1771
1772 QLIST_FOREACH(dcl, &s->listeners, next) {
1773 if (dcl->ops->dpy_cursor_define) {
1774 return true;
1775 }
1776 }
1777 return false;
1778 }
1779
1780 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1781 struct QEMUGLParams *qparams)
1782 {
1783 assert(con->gl);
1784 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1785 }
1786
1787 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1788 {
1789 assert(con->gl);
1790 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1791 }
1792
1793 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1794 {
1795 assert(con->gl);
1796 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1797 }
1798
1799 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1800 {
1801 assert(con->gl);
1802 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1803 }
1804
1805 void dpy_gl_scanout_disable(QemuConsole *con)
1806 {
1807 assert(con->gl);
1808 if (con->gl->ops->dpy_gl_scanout_disable) {
1809 con->gl->ops->dpy_gl_scanout_disable(con->gl);
1810 } else {
1811 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0,
1812 0, 0, 0, 0);
1813 }
1814 }
1815
1816 void dpy_gl_scanout_texture(QemuConsole *con,
1817 uint32_t backing_id,
1818 bool backing_y_0_top,
1819 uint32_t backing_width,
1820 uint32_t backing_height,
1821 uint32_t x, uint32_t y,
1822 uint32_t width, uint32_t height)
1823 {
1824 assert(con->gl);
1825 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id,
1826 backing_y_0_top,
1827 backing_width, backing_height,
1828 x, y, width, height);
1829 }
1830
1831 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1832 QemuDmaBuf *dmabuf)
1833 {
1834 assert(con->gl);
1835 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf);
1836 }
1837
1838 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
1839 bool have_hot, uint32_t hot_x, uint32_t hot_y)
1840 {
1841 assert(con->gl);
1842
1843 if (con->gl->ops->dpy_gl_cursor_dmabuf) {
1844 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf,
1845 have_hot, hot_x, hot_y);
1846 }
1847 }
1848
1849 void dpy_gl_cursor_position(QemuConsole *con,
1850 uint32_t pos_x, uint32_t pos_y)
1851 {
1852 assert(con->gl);
1853
1854 if (con->gl->ops->dpy_gl_cursor_position) {
1855 con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y);
1856 }
1857 }
1858
1859 void dpy_gl_release_dmabuf(QemuConsole *con,
1860 QemuDmaBuf *dmabuf)
1861 {
1862 assert(con->gl);
1863
1864 if (con->gl->ops->dpy_gl_release_dmabuf) {
1865 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf);
1866 }
1867 }
1868
1869 void dpy_gl_update(QemuConsole *con,
1870 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1871 {
1872 assert(con->gl);
1873 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1874 }
1875
1876 /***********************************************************/
1877 /* register display */
1878
1879 /* console.c internal use only */
1880 static DisplayState *get_alloc_displaystate(void)
1881 {
1882 if (!display_state) {
1883 display_state = g_new0(DisplayState, 1);
1884 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1885 text_console_update_cursor, NULL);
1886 }
1887 return display_state;
1888 }
1889
1890 /*
1891 * Called by main(), after creating QemuConsoles
1892 * and before initializing ui (sdl/vnc/...).
1893 */
1894 DisplayState *init_displaystate(void)
1895 {
1896 gchar *name;
1897 QemuConsole *con;
1898
1899 get_alloc_displaystate();
1900 QTAILQ_FOREACH(con, &consoles, next) {
1901 if (con->console_type != GRAPHIC_CONSOLE &&
1902 con->ds == NULL) {
1903 text_console_do_init(con->chr, display_state);
1904 }
1905
1906 /* Hook up into the qom tree here (not in new_console()), once
1907 * all QemuConsoles are created and the order / numbering
1908 * doesn't change any more */
1909 name = g_strdup_printf("console[%d]", con->index);
1910 object_property_add_child(container_get(object_get_root(), "/backend"),
1911 name, OBJECT(con));
1912 g_free(name);
1913 }
1914
1915 return display_state;
1916 }
1917
1918 void graphic_console_set_hwops(QemuConsole *con,
1919 const GraphicHwOps *hw_ops,
1920 void *opaque)
1921 {
1922 con->hw_ops = hw_ops;
1923 con->hw = opaque;
1924 }
1925
1926 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1927 const GraphicHwOps *hw_ops,
1928 void *opaque)
1929 {
1930 static const char noinit[] =
1931 "Guest has not initialized the display (yet).";
1932 int width = 640;
1933 int height = 480;
1934 QemuConsole *s;
1935 DisplayState *ds;
1936 DisplaySurface *surface;
1937
1938 ds = get_alloc_displaystate();
1939 s = qemu_console_lookup_unused();
1940 if (s) {
1941 trace_console_gfx_reuse(s->index);
1942 if (s->surface) {
1943 width = surface_width(s->surface);
1944 height = surface_height(s->surface);
1945 }
1946 } else {
1947 trace_console_gfx_new();
1948 s = new_console(ds, GRAPHIC_CONSOLE, head);
1949 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1950 dpy_set_ui_info_timer, s);
1951 }
1952 graphic_console_set_hwops(s, hw_ops, opaque);
1953 if (dev) {
1954 object_property_set_link(OBJECT(s), "device", OBJECT(dev),
1955 &error_abort);
1956 }
1957
1958 surface = qemu_create_message_surface(width, height, noinit);
1959 dpy_gfx_replace_surface(s, surface);
1960 return s;
1961 }
1962
1963 static const GraphicHwOps unused_ops = {
1964 /* no callbacks */
1965 };
1966
1967 void graphic_console_close(QemuConsole *con)
1968 {
1969 static const char unplugged[] =
1970 "Guest display has been unplugged";
1971 DisplaySurface *surface;
1972 int width = 640;
1973 int height = 480;
1974
1975 if (con->surface) {
1976 width = surface_width(con->surface);
1977 height = surface_height(con->surface);
1978 }
1979
1980 trace_console_gfx_close(con->index);
1981 object_property_set_link(OBJECT(con), "device", NULL, &error_abort);
1982 graphic_console_set_hwops(con, &unused_ops, NULL);
1983
1984 if (con->gl) {
1985 dpy_gl_scanout_disable(con);
1986 }
1987 surface = qemu_create_message_surface(width, height, unplugged);
1988 dpy_gfx_replace_surface(con, surface);
1989 }
1990
1991 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1992 {
1993 QemuConsole *con;
1994
1995 QTAILQ_FOREACH(con, &consoles, next) {
1996 if (con->index == index) {
1997 return con;
1998 }
1999 }
2000 return NULL;
2001 }
2002
2003 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
2004 {
2005 QemuConsole *con;
2006 Object *obj;
2007 uint32_t h;
2008
2009 QTAILQ_FOREACH(con, &consoles, next) {
2010 obj = object_property_get_link(OBJECT(con),
2011 "device", &error_abort);
2012 if (DEVICE(obj) != dev) {
2013 continue;
2014 }
2015 h = object_property_get_uint(OBJECT(con),
2016 "head", &error_abort);
2017 if (h != head) {
2018 continue;
2019 }
2020 return con;
2021 }
2022 return NULL;
2023 }
2024
2025 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
2026 uint32_t head, Error **errp)
2027 {
2028 DeviceState *dev;
2029 QemuConsole *con;
2030
2031 dev = qdev_find_recursive(sysbus_get_default(), device_id);
2032 if (dev == NULL) {
2033 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
2034 "Device '%s' not found", device_id);
2035 return NULL;
2036 }
2037
2038 con = qemu_console_lookup_by_device(dev, head);
2039 if (con == NULL) {
2040 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
2041 device_id, head);
2042 return NULL;
2043 }
2044
2045 return con;
2046 }
2047
2048 QemuConsole *qemu_console_lookup_unused(void)
2049 {
2050 QemuConsole *con;
2051 Object *obj;
2052
2053 QTAILQ_FOREACH(con, &consoles, next) {
2054 if (con->hw_ops != &unused_ops) {
2055 continue;
2056 }
2057 obj = object_property_get_link(OBJECT(con),
2058 "device", &error_abort);
2059 if (obj != NULL) {
2060 continue;
2061 }
2062 return con;
2063 }
2064 return NULL;
2065 }
2066
2067 bool qemu_console_is_visible(QemuConsole *con)
2068 {
2069 return (con == active_console) || (con->dcls > 0);
2070 }
2071
2072 bool qemu_console_is_graphic(QemuConsole *con)
2073 {
2074 if (con == NULL) {
2075 con = active_console;
2076 }
2077 return con && (con->console_type == GRAPHIC_CONSOLE);
2078 }
2079
2080 bool qemu_console_is_fixedsize(QemuConsole *con)
2081 {
2082 if (con == NULL) {
2083 con = active_console;
2084 }
2085 return con && (con->console_type != TEXT_CONSOLE);
2086 }
2087
2088 bool qemu_console_is_gl_blocked(QemuConsole *con)
2089 {
2090 assert(con != NULL);
2091 return con->gl_block;
2092 }
2093
2094 char *qemu_console_get_label(QemuConsole *con)
2095 {
2096 if (con->console_type == GRAPHIC_CONSOLE) {
2097 if (con->device) {
2098 return g_strdup(object_get_typename(con->device));
2099 }
2100 return g_strdup("VGA");
2101 } else {
2102 if (con->chr && con->chr->label) {
2103 return g_strdup(con->chr->label);
2104 }
2105 return g_strdup_printf("vc%d", con->index);
2106 }
2107 }
2108
2109 int qemu_console_get_index(QemuConsole *con)
2110 {
2111 if (con == NULL) {
2112 con = active_console;
2113 }
2114 return con ? con->index : -1;
2115 }
2116
2117 uint32_t qemu_console_get_head(QemuConsole *con)
2118 {
2119 if (con == NULL) {
2120 con = active_console;
2121 }
2122 return con ? con->head : -1;
2123 }
2124
2125 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
2126 {
2127 assert(con != NULL);
2128 return &con->ui_info;
2129 }
2130
2131 int qemu_console_get_width(QemuConsole *con, int fallback)
2132 {
2133 if (con == NULL) {
2134 con = active_console;
2135 }
2136 return con ? surface_width(con->surface) : fallback;
2137 }
2138
2139 int qemu_console_get_height(QemuConsole *con, int fallback)
2140 {
2141 if (con == NULL) {
2142 con = active_console;
2143 }
2144 return con ? surface_height(con->surface) : fallback;
2145 }
2146
2147 static void vc_chr_set_echo(Chardev *chr, bool echo)
2148 {
2149 VCChardev *drv = VC_CHARDEV(chr);
2150 QemuConsole *s = drv->console;
2151
2152 s->echo = echo;
2153 }
2154
2155 static void text_console_update_cursor_timer(void)
2156 {
2157 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
2158 + CONSOLE_CURSOR_PERIOD / 2);
2159 }
2160
2161 static void text_console_update_cursor(void *opaque)
2162 {
2163 QemuConsole *s;
2164 int count = 0;
2165
2166 cursor_visible_phase = !cursor_visible_phase;
2167
2168 QTAILQ_FOREACH(s, &consoles, next) {
2169 if (qemu_console_is_graphic(s) ||
2170 !qemu_console_is_visible(s)) {
2171 continue;
2172 }
2173 count++;
2174 graphic_hw_invalidate(s);
2175 }
2176
2177 if (count) {
2178 text_console_update_cursor_timer();
2179 }
2180 }
2181
2182 static const GraphicHwOps text_console_ops = {
2183 .invalidate = text_console_invalidate,
2184 .text_update = text_console_update,
2185 };
2186
2187 static void text_console_do_init(Chardev *chr, DisplayState *ds)
2188 {
2189 VCChardev *drv = VC_CHARDEV(chr);
2190 QemuConsole *s = drv->console;
2191 int g_width = 80 * FONT_WIDTH;
2192 int g_height = 24 * FONT_HEIGHT;
2193
2194 s->out_fifo.buf = s->out_fifo_buf;
2195 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
2196 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
2197 s->ds = ds;
2198
2199 s->y_displayed = 0;
2200 s->y_base = 0;
2201 s->total_height = DEFAULT_BACKSCROLL;
2202 s->x = 0;
2203 s->y = 0;
2204 if (!s->surface) {
2205 if (active_console && active_console->surface) {
2206 g_width = surface_width(active_console->surface);
2207 g_height = surface_height(active_console->surface);
2208 }
2209 s->surface = qemu_create_displaysurface(g_width, g_height);
2210 }
2211
2212 s->hw_ops = &text_console_ops;
2213 s->hw = s;
2214
2215 /* Set text attribute defaults */
2216 s->t_attrib_default.bold = 0;
2217 s->t_attrib_default.uline = 0;
2218 s->t_attrib_default.blink = 0;
2219 s->t_attrib_default.invers = 0;
2220 s->t_attrib_default.unvisible = 0;
2221 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2222 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2223 /* set current text attributes to default */
2224 s->t_attrib = s->t_attrib_default;
2225 text_console_resize(s);
2226
2227 if (chr->label) {
2228 char *msg;
2229
2230 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2231 msg = g_strdup_printf("%s console\r\n", chr->label);
2232 vc_chr_write(chr, (uint8_t *)msg, strlen(msg));
2233 g_free(msg);
2234 s->t_attrib = s->t_attrib_default;
2235 }
2236
2237 qemu_chr_be_event(chr, CHR_EVENT_OPENED);
2238 }
2239
2240 static void vc_chr_open(Chardev *chr,
2241 ChardevBackend *backend,
2242 bool *be_opened,
2243 Error **errp)
2244 {
2245 ChardevVC *vc = backend->u.vc.data;
2246 VCChardev *drv = VC_CHARDEV(chr);
2247 QemuConsole *s;
2248 unsigned width = 0;
2249 unsigned height = 0;
2250
2251 if (vc->has_width) {
2252 width = vc->width;
2253 } else if (vc->has_cols) {
2254 width = vc->cols * FONT_WIDTH;
2255 }
2256
2257 if (vc->has_height) {
2258 height = vc->height;
2259 } else if (vc->has_rows) {
2260 height = vc->rows * FONT_HEIGHT;
2261 }
2262
2263 trace_console_txt_new(width, height);
2264 if (width == 0 || height == 0) {
2265 s = new_console(NULL, TEXT_CONSOLE, 0);
2266 } else {
2267 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2268 s->surface = qemu_create_displaysurface(width, height);
2269 }
2270
2271 if (!s) {
2272 error_setg(errp, "cannot create text console");
2273 return;
2274 }
2275
2276 s->chr = chr;
2277 drv->console = s;
2278
2279 if (display_state) {
2280 text_console_do_init(chr, display_state);
2281 }
2282
2283 /* console/chardev init sometimes completes elsewhere in a 2nd
2284 * stage, so defer OPENED events until they are fully initialized
2285 */
2286 *be_opened = false;
2287 }
2288
2289 void qemu_console_resize(QemuConsole *s, int width, int height)
2290 {
2291 DisplaySurface *surface;
2292
2293 assert(s->console_type == GRAPHIC_CONSOLE);
2294
2295 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) &&
2296 pixman_image_get_width(s->surface->image) == width &&
2297 pixman_image_get_height(s->surface->image) == height) {
2298 return;
2299 }
2300
2301 surface = qemu_create_displaysurface(width, height);
2302 dpy_gfx_replace_surface(s, surface);
2303 }
2304
2305 DisplaySurface *qemu_console_surface(QemuConsole *console)
2306 {
2307 return console->surface;
2308 }
2309
2310 PixelFormat qemu_default_pixelformat(int bpp)
2311 {
2312 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2313 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2314 return pf;
2315 }
2316
2317 static QemuDisplay *dpys[DISPLAY_TYPE__MAX];
2318
2319 void qemu_display_register(QemuDisplay *ui)
2320 {
2321 assert(ui->type < DISPLAY_TYPE__MAX);
2322 dpys[ui->type] = ui;
2323 }
2324
2325 bool qemu_display_find_default(DisplayOptions *opts)
2326 {
2327 static DisplayType prio[] = {
2328 DISPLAY_TYPE_GTK,
2329 DISPLAY_TYPE_SDL,
2330 DISPLAY_TYPE_COCOA
2331 };
2332 int i;
2333
2334 for (i = 0; i < ARRAY_SIZE(prio); i++) {
2335 if (dpys[prio[i]] == NULL) {
2336 ui_module_load_one(DisplayType_str(prio[i]));
2337 }
2338 if (dpys[prio[i]] == NULL) {
2339 continue;
2340 }
2341 opts->type = prio[i];
2342 return true;
2343 }
2344 return false;
2345 }
2346
2347 void qemu_display_early_init(DisplayOptions *opts)
2348 {
2349 assert(opts->type < DISPLAY_TYPE__MAX);
2350 if (opts->type == DISPLAY_TYPE_NONE) {
2351 return;
2352 }
2353 if (dpys[opts->type] == NULL) {
2354 ui_module_load_one(DisplayType_str(opts->type));
2355 }
2356 if (dpys[opts->type] == NULL) {
2357 error_report("Display '%s' is not available.",
2358 DisplayType_str(opts->type));
2359 exit(1);
2360 }
2361 if (dpys[opts->type]->early_init) {
2362 dpys[opts->type]->early_init(opts);
2363 }
2364 }
2365
2366 void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
2367 {
2368 assert(opts->type < DISPLAY_TYPE__MAX);
2369 if (opts->type == DISPLAY_TYPE_NONE) {
2370 return;
2371 }
2372 assert(dpys[opts->type] != NULL);
2373 dpys[opts->type]->init(ds, opts);
2374 }
2375
2376 void qemu_display_help(void)
2377 {
2378 int idx;
2379
2380 printf("Available display backend types:\n");
2381 printf("none\n");
2382 for (idx = DISPLAY_TYPE_NONE; idx < DISPLAY_TYPE__MAX; idx++) {
2383 if (!dpys[idx]) {
2384 ui_module_load_one(DisplayType_str(idx));
2385 }
2386 if (dpys[idx]) {
2387 printf("%s\n", DisplayType_str(dpys[idx]->type));
2388 }
2389 }
2390 }
2391
2392 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
2393 {
2394 int val;
2395 ChardevVC *vc;
2396
2397 backend->type = CHARDEV_BACKEND_KIND_VC;
2398 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2399 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2400
2401 val = qemu_opt_get_number(opts, "width", 0);
2402 if (val != 0) {
2403 vc->has_width = true;
2404 vc->width = val;
2405 }
2406
2407 val = qemu_opt_get_number(opts, "height", 0);
2408 if (val != 0) {
2409 vc->has_height = true;
2410 vc->height = val;
2411 }
2412
2413 val = qemu_opt_get_number(opts, "cols", 0);
2414 if (val != 0) {
2415 vc->has_cols = true;
2416 vc->cols = val;
2417 }
2418
2419 val = qemu_opt_get_number(opts, "rows", 0);
2420 if (val != 0) {
2421 vc->has_rows = true;
2422 vc->rows = val;
2423 }
2424 }
2425
2426 static const TypeInfo qemu_console_info = {
2427 .name = TYPE_QEMU_CONSOLE,
2428 .parent = TYPE_OBJECT,
2429 .instance_size = sizeof(QemuConsole),
2430 .class_size = sizeof(QemuConsoleClass),
2431 };
2432
2433 static void char_vc_class_init(ObjectClass *oc, void *data)
2434 {
2435 ChardevClass *cc = CHARDEV_CLASS(oc);
2436
2437 cc->parse = qemu_chr_parse_vc;
2438 cc->open = vc_chr_open;
2439 cc->chr_write = vc_chr_write;
2440 cc->chr_set_echo = vc_chr_set_echo;
2441 }
2442
2443 static const TypeInfo char_vc_type_info = {
2444 .name = TYPE_CHARDEV_VC,
2445 .parent = TYPE_CHARDEV,
2446 .instance_size = sizeof(VCChardev),
2447 .class_init = char_vc_class_init,
2448 };
2449
2450 void qemu_console_early_init(void)
2451 {
2452 /* set the default vc driver */
2453 if (!object_class_by_name(TYPE_CHARDEV_VC)) {
2454 type_register(&char_vc_type_info);
2455 }
2456 }
2457
2458 static void register_types(void)
2459 {
2460 type_register_static(&qemu_console_info);
2461 }
2462
2463 type_init(register_types);
QEmu