util: rename qemu_open() to qemu_open_old()
[qemu.git] / ui / console.c
1 /*
2 * QEMU graphical console
3 *
4 * Copyright (c) 2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "ui/console.h"
27 #include "hw/qdev-core.h"
28 #include "qapi/error.h"
29 #include "qapi/qapi-commands-ui.h"
30 #include "qemu/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
172 QTAILQ_ENTRY(QemuConsole) next;
173 };
174
175 struct DisplayState {
176 QEMUTimer *gui_timer;
177 uint64_t last_update;
178 uint64_t update_interval;
179 bool refreshing;
180 bool have_gfx;
181 bool have_text;
182
183 QLIST_HEAD(, DisplayChangeListener) listeners;
184 };
185
186 static DisplayState *display_state;
187 static QemuConsole *active_console;
188 static QTAILQ_HEAD(, QemuConsole) consoles =
189 QTAILQ_HEAD_INITIALIZER(consoles);
190 static bool cursor_visible_phase;
191 static QEMUTimer *cursor_timer;
192
193 static void text_console_do_init(Chardev *chr, DisplayState *ds);
194 static void dpy_refresh(DisplayState *s);
195 static DisplayState *get_alloc_displaystate(void);
196 static void text_console_update_cursor_timer(void);
197 static void text_console_update_cursor(void *opaque);
198 static bool ppm_save(int fd, DisplaySurface *ds, Error **errp);
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 }
268
269 void graphic_hw_update(QemuConsole *con)
270 {
271 bool async = false;
272 if (!con) {
273 con = active_console;
274 }
275 if (con && con->hw_ops->gfx_update) {
276 con->hw_ops->gfx_update(con->hw);
277 async = con->hw_ops->gfx_update_async;
278 }
279 if (!async) {
280 graphic_hw_update_done(con);
281 }
282 }
283
284 void graphic_hw_gl_block(QemuConsole *con, bool block)
285 {
286 assert(con != NULL);
287
288 con->gl_block = block;
289 if (con->hw_ops->gl_block) {
290 con->hw_ops->gl_block(con->hw, block);
291 }
292 }
293
294 int qemu_console_get_window_id(QemuConsole *con)
295 {
296 return con->window_id;
297 }
298
299 void qemu_console_set_window_id(QemuConsole *con, int window_id)
300 {
301 con->window_id = window_id;
302 }
303
304 void graphic_hw_invalidate(QemuConsole *con)
305 {
306 if (!con) {
307 con = active_console;
308 }
309 if (con && con->hw_ops->invalidate) {
310 con->hw_ops->invalidate(con->hw);
311 }
312 }
313
314 static bool ppm_save(int fd, DisplaySurface *ds, Error **errp)
315 {
316 int width = pixman_image_get_width(ds->image);
317 int height = pixman_image_get_height(ds->image);
318 g_autoptr(Object) ioc = OBJECT(qio_channel_file_new_fd(fd));
319 g_autofree char *header = NULL;
320 g_autoptr(pixman_image_t) linebuf = NULL;
321 int y;
322
323 trace_ppm_save(fd, ds);
324
325 header = g_strdup_printf("P6\n%d %d\n%d\n", width, height, 255);
326 if (qio_channel_write_all(QIO_CHANNEL(ioc),
327 header, strlen(header), errp) < 0) {
328 return false;
329 }
330
331 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
332 for (y = 0; y < height; y++) {
333 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
334 if (qio_channel_write_all(QIO_CHANNEL(ioc),
335 (char *)pixman_image_get_data(linebuf),
336 pixman_image_get_stride(linebuf), errp) < 0) {
337 return false;
338 }
339 }
340
341 return true;
342 }
343
344 void qmp_screendump(const char *filename, bool has_device, const char *device,
345 bool has_head, int64_t head, Error **errp)
346 {
347 QemuConsole *con;
348 DisplaySurface *surface;
349 int fd;
350
351 if (has_device) {
352 con = qemu_console_lookup_by_device_name(device, has_head ? head : 0,
353 errp);
354 if (!con) {
355 return;
356 }
357 } else {
358 if (has_head) {
359 error_setg(errp, "'head' must be specified together with 'device'");
360 return;
361 }
362 con = qemu_console_lookup_by_index(0);
363 if (!con) {
364 error_setg(errp, "There is no console to take a screendump from");
365 return;
366 }
367 }
368
369 graphic_hw_update(con);
370 surface = qemu_console_surface(con);
371 if (!surface) {
372 error_setg(errp, "no surface");
373 return;
374 }
375
376 fd = qemu_open_old(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
377 if (fd == -1) {
378 error_setg(errp, "failed to open file '%s': %s", filename,
379 strerror(errno));
380 return;
381 }
382
383 if (!ppm_save(fd, surface, errp)) {
384 qemu_unlink(filename);
385 }
386 }
387
388 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
389 {
390 if (!con) {
391 con = active_console;
392 }
393 if (con && con->hw_ops->text_update) {
394 con->hw_ops->text_update(con->hw, chardata);
395 }
396 }
397
398 static void vga_fill_rect(QemuConsole *con,
399 int posx, int posy, int width, int height,
400 pixman_color_t color)
401 {
402 DisplaySurface *surface = qemu_console_surface(con);
403 pixman_rectangle16_t rect = {
404 .x = posx, .y = posy, .width = width, .height = height
405 };
406
407 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
408 &color, 1, &rect);
409 }
410
411 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
412 static void vga_bitblt(QemuConsole *con,
413 int xs, int ys, int xd, int yd, int w, int h)
414 {
415 DisplaySurface *surface = qemu_console_surface(con);
416
417 pixman_image_composite(PIXMAN_OP_SRC,
418 surface->image, NULL, surface->image,
419 xs, ys, 0, 0, xd, yd, w, h);
420 }
421
422 /***********************************************************/
423 /* basic char display */
424
425 #define FONT_HEIGHT 16
426 #define FONT_WIDTH 8
427
428 #include "vgafont.h"
429
430 #define QEMU_RGB(r, g, b) \
431 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
432
433 static const pixman_color_t color_table_rgb[2][8] = {
434 { /* dark */
435 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
436 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
437 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
438 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
439 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
440 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
441 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
442 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
443 },
444 { /* bright */
445 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
446 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
447 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
448 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
449 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
450 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
451 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
452 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
453 }
454 };
455
456 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
457 TextAttributes *t_attrib)
458 {
459 static pixman_image_t *glyphs[256];
460 DisplaySurface *surface = qemu_console_surface(s);
461 pixman_color_t fgcol, bgcol;
462
463 if (t_attrib->invers) {
464 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
465 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
466 } else {
467 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
468 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
469 }
470
471 if (!glyphs[ch]) {
472 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
473 }
474 qemu_pixman_glyph_render(glyphs[ch], surface->image,
475 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
476 }
477
478 static void text_console_resize(QemuConsole *s)
479 {
480 TextCell *cells, *c, *c1;
481 int w1, x, y, last_width;
482
483 last_width = s->width;
484 s->width = surface_width(s->surface) / FONT_WIDTH;
485 s->height = surface_height(s->surface) / FONT_HEIGHT;
486
487 w1 = last_width;
488 if (s->width < w1)
489 w1 = s->width;
490
491 cells = g_new(TextCell, s->width * s->total_height + 1);
492 for(y = 0; y < s->total_height; y++) {
493 c = &cells[y * s->width];
494 if (w1 > 0) {
495 c1 = &s->cells[y * last_width];
496 for(x = 0; x < w1; x++) {
497 *c++ = *c1++;
498 }
499 }
500 for(x = w1; x < s->width; x++) {
501 c->ch = ' ';
502 c->t_attrib = s->t_attrib_default;
503 c++;
504 }
505 }
506 g_free(s->cells);
507 s->cells = cells;
508 }
509
510 static inline void text_update_xy(QemuConsole *s, int x, int y)
511 {
512 s->text_x[0] = MIN(s->text_x[0], x);
513 s->text_x[1] = MAX(s->text_x[1], x);
514 s->text_y[0] = MIN(s->text_y[0], y);
515 s->text_y[1] = MAX(s->text_y[1], y);
516 }
517
518 static void invalidate_xy(QemuConsole *s, int x, int y)
519 {
520 if (!qemu_console_is_visible(s)) {
521 return;
522 }
523 if (s->update_x0 > x * FONT_WIDTH)
524 s->update_x0 = x * FONT_WIDTH;
525 if (s->update_y0 > y * FONT_HEIGHT)
526 s->update_y0 = y * FONT_HEIGHT;
527 if (s->update_x1 < (x + 1) * FONT_WIDTH)
528 s->update_x1 = (x + 1) * FONT_WIDTH;
529 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
530 s->update_y1 = (y + 1) * FONT_HEIGHT;
531 }
532
533 static void update_xy(QemuConsole *s, int x, int y)
534 {
535 TextCell *c;
536 int y1, y2;
537
538 if (s->ds->have_text) {
539 text_update_xy(s, x, y);
540 }
541
542 y1 = (s->y_base + y) % s->total_height;
543 y2 = y1 - s->y_displayed;
544 if (y2 < 0) {
545 y2 += s->total_height;
546 }
547 if (y2 < s->height) {
548 if (x >= s->width) {
549 x = s->width - 1;
550 }
551 c = &s->cells[y1 * s->width + x];
552 vga_putcharxy(s, x, y2, c->ch,
553 &(c->t_attrib));
554 invalidate_xy(s, x, y2);
555 }
556 }
557
558 static void console_show_cursor(QemuConsole *s, int show)
559 {
560 TextCell *c;
561 int y, y1;
562 int x = s->x;
563
564 if (s->ds->have_text) {
565 s->cursor_invalidate = 1;
566 }
567
568 if (x >= s->width) {
569 x = s->width - 1;
570 }
571 y1 = (s->y_base + s->y) % s->total_height;
572 y = y1 - s->y_displayed;
573 if (y < 0) {
574 y += s->total_height;
575 }
576 if (y < s->height) {
577 c = &s->cells[y1 * s->width + x];
578 if (show && cursor_visible_phase) {
579 TextAttributes t_attrib = s->t_attrib_default;
580 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
581 vga_putcharxy(s, x, y, c->ch, &t_attrib);
582 } else {
583 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
584 }
585 invalidate_xy(s, x, y);
586 }
587 }
588
589 static void console_refresh(QemuConsole *s)
590 {
591 DisplaySurface *surface = qemu_console_surface(s);
592 TextCell *c;
593 int x, y, y1;
594
595 if (s->ds->have_text) {
596 s->text_x[0] = 0;
597 s->text_y[0] = 0;
598 s->text_x[1] = s->width - 1;
599 s->text_y[1] = s->height - 1;
600 s->cursor_invalidate = 1;
601 }
602
603 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
604 color_table_rgb[0][QEMU_COLOR_BLACK]);
605 y1 = s->y_displayed;
606 for (y = 0; y < s->height; y++) {
607 c = s->cells + y1 * s->width;
608 for (x = 0; x < s->width; x++) {
609 vga_putcharxy(s, x, y, c->ch,
610 &(c->t_attrib));
611 c++;
612 }
613 if (++y1 == s->total_height) {
614 y1 = 0;
615 }
616 }
617 console_show_cursor(s, 1);
618 dpy_gfx_update(s, 0, 0,
619 surface_width(surface), surface_height(surface));
620 }
621
622 static void console_scroll(QemuConsole *s, int ydelta)
623 {
624 int i, y1;
625
626 if (ydelta > 0) {
627 for(i = 0; i < ydelta; i++) {
628 if (s->y_displayed == s->y_base)
629 break;
630 if (++s->y_displayed == s->total_height)
631 s->y_displayed = 0;
632 }
633 } else {
634 ydelta = -ydelta;
635 i = s->backscroll_height;
636 if (i > s->total_height - s->height)
637 i = s->total_height - s->height;
638 y1 = s->y_base - i;
639 if (y1 < 0)
640 y1 += s->total_height;
641 for(i = 0; i < ydelta; i++) {
642 if (s->y_displayed == y1)
643 break;
644 if (--s->y_displayed < 0)
645 s->y_displayed = s->total_height - 1;
646 }
647 }
648 console_refresh(s);
649 }
650
651 static void console_put_lf(QemuConsole *s)
652 {
653 TextCell *c;
654 int x, y1;
655
656 s->y++;
657 if (s->y >= s->height) {
658 s->y = s->height - 1;
659
660 if (s->y_displayed == s->y_base) {
661 if (++s->y_displayed == s->total_height)
662 s->y_displayed = 0;
663 }
664 if (++s->y_base == s->total_height)
665 s->y_base = 0;
666 if (s->backscroll_height < s->total_height)
667 s->backscroll_height++;
668 y1 = (s->y_base + s->height - 1) % s->total_height;
669 c = &s->cells[y1 * s->width];
670 for(x = 0; x < s->width; x++) {
671 c->ch = ' ';
672 c->t_attrib = s->t_attrib_default;
673 c++;
674 }
675 if (s->y_displayed == s->y_base) {
676 if (s->ds->have_text) {
677 s->text_x[0] = 0;
678 s->text_y[0] = 0;
679 s->text_x[1] = s->width - 1;
680 s->text_y[1] = s->height - 1;
681 }
682
683 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
684 s->width * FONT_WIDTH,
685 (s->height - 1) * FONT_HEIGHT);
686 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
687 s->width * FONT_WIDTH, FONT_HEIGHT,
688 color_table_rgb[0][s->t_attrib_default.bgcol]);
689 s->update_x0 = 0;
690 s->update_y0 = 0;
691 s->update_x1 = s->width * FONT_WIDTH;
692 s->update_y1 = s->height * FONT_HEIGHT;
693 }
694 }
695 }
696
697 /* Set console attributes depending on the current escape codes.
698 * NOTE: I know this code is not very efficient (checking every color for it
699 * self) but it is more readable and better maintainable.
700 */
701 static void console_handle_escape(QemuConsole *s)
702 {
703 int i;
704
705 for (i=0; i<s->nb_esc_params; i++) {
706 switch (s->esc_params[i]) {
707 case 0: /* reset all console attributes to default */
708 s->t_attrib = s->t_attrib_default;
709 break;
710 case 1:
711 s->t_attrib.bold = 1;
712 break;
713 case 4:
714 s->t_attrib.uline = 1;
715 break;
716 case 5:
717 s->t_attrib.blink = 1;
718 break;
719 case 7:
720 s->t_attrib.invers = 1;
721 break;
722 case 8:
723 s->t_attrib.unvisible = 1;
724 break;
725 case 22:
726 s->t_attrib.bold = 0;
727 break;
728 case 24:
729 s->t_attrib.uline = 0;
730 break;
731 case 25:
732 s->t_attrib.blink = 0;
733 break;
734 case 27:
735 s->t_attrib.invers = 0;
736 break;
737 case 28:
738 s->t_attrib.unvisible = 0;
739 break;
740 /* set foreground color */
741 case 30:
742 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
743 break;
744 case 31:
745 s->t_attrib.fgcol = QEMU_COLOR_RED;
746 break;
747 case 32:
748 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
749 break;
750 case 33:
751 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
752 break;
753 case 34:
754 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
755 break;
756 case 35:
757 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
758 break;
759 case 36:
760 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
761 break;
762 case 37:
763 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
764 break;
765 /* set background color */
766 case 40:
767 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
768 break;
769 case 41:
770 s->t_attrib.bgcol = QEMU_COLOR_RED;
771 break;
772 case 42:
773 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
774 break;
775 case 43:
776 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
777 break;
778 case 44:
779 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
780 break;
781 case 45:
782 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
783 break;
784 case 46:
785 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
786 break;
787 case 47:
788 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
789 break;
790 }
791 }
792 }
793
794 static void console_clear_xy(QemuConsole *s, int x, int y)
795 {
796 int y1 = (s->y_base + y) % s->total_height;
797 if (x >= s->width) {
798 x = s->width - 1;
799 }
800 TextCell *c = &s->cells[y1 * s->width + x];
801 c->ch = ' ';
802 c->t_attrib = s->t_attrib_default;
803 update_xy(s, x, y);
804 }
805
806 static void console_put_one(QemuConsole *s, int ch)
807 {
808 TextCell *c;
809 int y1;
810 if (s->x >= s->width) {
811 /* line wrap */
812 s->x = 0;
813 console_put_lf(s);
814 }
815 y1 = (s->y_base + s->y) % s->total_height;
816 c = &s->cells[y1 * s->width + s->x];
817 c->ch = ch;
818 c->t_attrib = s->t_attrib;
819 update_xy(s, s->x, s->y);
820 s->x++;
821 }
822
823 static void console_respond_str(QemuConsole *s, const char *buf)
824 {
825 while (*buf) {
826 console_put_one(s, *buf);
827 buf++;
828 }
829 }
830
831 /* set cursor, checking bounds */
832 static void set_cursor(QemuConsole *s, int x, int y)
833 {
834 if (x < 0) {
835 x = 0;
836 }
837 if (y < 0) {
838 y = 0;
839 }
840 if (y >= s->height) {
841 y = s->height - 1;
842 }
843 if (x >= s->width) {
844 x = s->width - 1;
845 }
846
847 s->x = x;
848 s->y = y;
849 }
850
851 static void console_putchar(QemuConsole *s, int ch)
852 {
853 int i;
854 int x, y;
855 char response[40];
856
857 switch(s->state) {
858 case TTY_STATE_NORM:
859 switch(ch) {
860 case '\r': /* carriage return */
861 s->x = 0;
862 break;
863 case '\n': /* newline */
864 console_put_lf(s);
865 break;
866 case '\b': /* backspace */
867 if (s->x > 0)
868 s->x--;
869 break;
870 case '\t': /* tabspace */
871 if (s->x + (8 - (s->x % 8)) > s->width) {
872 s->x = 0;
873 console_put_lf(s);
874 } else {
875 s->x = s->x + (8 - (s->x % 8));
876 }
877 break;
878 case '\a': /* alert aka. bell */
879 /* TODO: has to be implemented */
880 break;
881 case 14:
882 /* SI (shift in), character set 0 (ignored) */
883 break;
884 case 15:
885 /* SO (shift out), character set 1 (ignored) */
886 break;
887 case 27: /* esc (introducing an escape sequence) */
888 s->state = TTY_STATE_ESC;
889 break;
890 default:
891 console_put_one(s, ch);
892 break;
893 }
894 break;
895 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
896 if (ch == '[') {
897 for(i=0;i<MAX_ESC_PARAMS;i++)
898 s->esc_params[i] = 0;
899 s->nb_esc_params = 0;
900 s->state = TTY_STATE_CSI;
901 } else {
902 s->state = TTY_STATE_NORM;
903 }
904 break;
905 case TTY_STATE_CSI: /* handle escape sequence parameters */
906 if (ch >= '0' && ch <= '9') {
907 if (s->nb_esc_params < MAX_ESC_PARAMS) {
908 int *param = &s->esc_params[s->nb_esc_params];
909 int digit = (ch - '0');
910
911 *param = (*param <= (INT_MAX - digit) / 10) ?
912 *param * 10 + digit : INT_MAX;
913 }
914 } else {
915 if (s->nb_esc_params < MAX_ESC_PARAMS)
916 s->nb_esc_params++;
917 if (ch == ';' || ch == '?') {
918 break;
919 }
920 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
921 ch, s->nb_esc_params);
922 s->state = TTY_STATE_NORM;
923 switch(ch) {
924 case 'A':
925 /* move cursor up */
926 if (s->esc_params[0] == 0) {
927 s->esc_params[0] = 1;
928 }
929 set_cursor(s, s->x, s->y - s->esc_params[0]);
930 break;
931 case 'B':
932 /* move cursor down */
933 if (s->esc_params[0] == 0) {
934 s->esc_params[0] = 1;
935 }
936 set_cursor(s, s->x, s->y + s->esc_params[0]);
937 break;
938 case 'C':
939 /* move cursor right */
940 if (s->esc_params[0] == 0) {
941 s->esc_params[0] = 1;
942 }
943 set_cursor(s, s->x + s->esc_params[0], s->y);
944 break;
945 case 'D':
946 /* move cursor left */
947 if (s->esc_params[0] == 0) {
948 s->esc_params[0] = 1;
949 }
950 set_cursor(s, s->x - s->esc_params[0], s->y);
951 break;
952 case 'G':
953 /* move cursor to column */
954 set_cursor(s, s->esc_params[0] - 1, s->y);
955 break;
956 case 'f':
957 case 'H':
958 /* move cursor to row, column */
959 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
960 break;
961 case 'J':
962 switch (s->esc_params[0]) {
963 case 0:
964 /* clear to end of screen */
965 for (y = s->y; y < s->height; y++) {
966 for (x = 0; x < s->width; x++) {
967 if (y == s->y && x < s->x) {
968 continue;
969 }
970 console_clear_xy(s, x, y);
971 }
972 }
973 break;
974 case 1:
975 /* clear from beginning of screen */
976 for (y = 0; y <= s->y; y++) {
977 for (x = 0; x < s->width; x++) {
978 if (y == s->y && x > s->x) {
979 break;
980 }
981 console_clear_xy(s, x, y);
982 }
983 }
984 break;
985 case 2:
986 /* clear entire screen */
987 for (y = 0; y <= s->height; y++) {
988 for (x = 0; x < s->width; x++) {
989 console_clear_xy(s, x, y);
990 }
991 }
992 break;
993 }
994 break;
995 case 'K':
996 switch (s->esc_params[0]) {
997 case 0:
998 /* clear to eol */
999 for(x = s->x; x < s->width; x++) {
1000 console_clear_xy(s, x, s->y);
1001 }
1002 break;
1003 case 1:
1004 /* clear from beginning of line */
1005 for (x = 0; x <= s->x && x < s->width; x++) {
1006 console_clear_xy(s, x, s->y);
1007 }
1008 break;
1009 case 2:
1010 /* clear entire line */
1011 for(x = 0; x < s->width; x++) {
1012 console_clear_xy(s, x, s->y);
1013 }
1014 break;
1015 }
1016 break;
1017 case 'm':
1018 console_handle_escape(s);
1019 break;
1020 case 'n':
1021 switch (s->esc_params[0]) {
1022 case 5:
1023 /* report console status (always succeed)*/
1024 console_respond_str(s, "\033[0n");
1025 break;
1026 case 6:
1027 /* report cursor position */
1028 sprintf(response, "\033[%d;%dR",
1029 (s->y_base + s->y) % s->total_height + 1,
1030 s->x + 1);
1031 console_respond_str(s, response);
1032 break;
1033 }
1034 break;
1035 case 's':
1036 /* save cursor position */
1037 s->x_saved = s->x;
1038 s->y_saved = s->y;
1039 break;
1040 case 'u':
1041 /* restore cursor position */
1042 s->x = s->x_saved;
1043 s->y = s->y_saved;
1044 break;
1045 default:
1046 trace_console_putchar_unhandled(ch);
1047 break;
1048 }
1049 break;
1050 }
1051 }
1052 }
1053
1054 void console_select(unsigned int index)
1055 {
1056 DisplayChangeListener *dcl;
1057 QemuConsole *s;
1058
1059 trace_console_select(index);
1060 s = qemu_console_lookup_by_index(index);
1061 if (s) {
1062 DisplayState *ds = s->ds;
1063
1064 active_console = s;
1065 if (ds->have_gfx) {
1066 QLIST_FOREACH(dcl, &ds->listeners, next) {
1067 if (dcl->con != NULL) {
1068 continue;
1069 }
1070 if (dcl->ops->dpy_gfx_switch) {
1071 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1072 }
1073 }
1074 if (s->surface) {
1075 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1076 surface_height(s->surface));
1077 }
1078 }
1079 if (ds->have_text) {
1080 dpy_text_resize(s, s->width, s->height);
1081 }
1082 text_console_update_cursor(NULL);
1083 }
1084 }
1085
1086 struct VCChardev {
1087 Chardev parent;
1088 QemuConsole *console;
1089 };
1090 typedef struct VCChardev VCChardev;
1091
1092 #define TYPE_CHARDEV_VC "chardev-vc"
1093 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
1094 TYPE_CHARDEV_VC)
1095
1096 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1097 {
1098 VCChardev *drv = VC_CHARDEV(chr);
1099 QemuConsole *s = drv->console;
1100 int i;
1101
1102 if (!s->ds) {
1103 return 0;
1104 }
1105
1106 s->update_x0 = s->width * FONT_WIDTH;
1107 s->update_y0 = s->height * FONT_HEIGHT;
1108 s->update_x1 = 0;
1109 s->update_y1 = 0;
1110 console_show_cursor(s, 0);
1111 for(i = 0; i < len; i++) {
1112 console_putchar(s, buf[i]);
1113 }
1114 console_show_cursor(s, 1);
1115 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1116 dpy_gfx_update(s, s->update_x0, s->update_y0,
1117 s->update_x1 - s->update_x0,
1118 s->update_y1 - s->update_y0);
1119 }
1120 return len;
1121 }
1122
1123 static void kbd_send_chars(void *opaque)
1124 {
1125 QemuConsole *s = opaque;
1126 int len;
1127 uint8_t buf[16];
1128
1129 len = qemu_chr_be_can_write(s->chr);
1130 if (len > s->out_fifo.count)
1131 len = s->out_fifo.count;
1132 if (len > 0) {
1133 if (len > sizeof(buf))
1134 len = sizeof(buf);
1135 qemu_fifo_read(&s->out_fifo, buf, len);
1136 qemu_chr_be_write(s->chr, buf, len);
1137 }
1138 /* characters are pending: we send them a bit later (XXX:
1139 horrible, should change char device API) */
1140 if (s->out_fifo.count > 0) {
1141 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1142 }
1143 }
1144
1145 /* called when an ascii key is pressed */
1146 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1147 {
1148 uint8_t buf[16], *q;
1149 CharBackend *be;
1150 int c;
1151
1152 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1153 return;
1154
1155 switch(keysym) {
1156 case QEMU_KEY_CTRL_UP:
1157 console_scroll(s, -1);
1158 break;
1159 case QEMU_KEY_CTRL_DOWN:
1160 console_scroll(s, 1);
1161 break;
1162 case QEMU_KEY_CTRL_PAGEUP:
1163 console_scroll(s, -10);
1164 break;
1165 case QEMU_KEY_CTRL_PAGEDOWN:
1166 console_scroll(s, 10);
1167 break;
1168 default:
1169 /* convert the QEMU keysym to VT100 key string */
1170 q = buf;
1171 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1172 *q++ = '\033';
1173 *q++ = '[';
1174 c = keysym - 0xe100;
1175 if (c >= 10)
1176 *q++ = '0' + (c / 10);
1177 *q++ = '0' + (c % 10);
1178 *q++ = '~';
1179 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1180 *q++ = '\033';
1181 *q++ = '[';
1182 *q++ = keysym & 0xff;
1183 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1184 vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
1185 *q++ = '\n';
1186 } else {
1187 *q++ = keysym;
1188 }
1189 if (s->echo) {
1190 vc_chr_write(s->chr, buf, q - buf);
1191 }
1192 be = s->chr->be;
1193 if (be && be->chr_read) {
1194 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1195 kbd_send_chars(s);
1196 }
1197 break;
1198 }
1199 }
1200
1201 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1202 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1203 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1204 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1205 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1206 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1207 [Q_KEY_CODE_END] = QEMU_KEY_END,
1208 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1209 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1210 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1211 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1212 };
1213
1214 static const int ctrl_qcode_to_keysym[Q_KEY_CODE__MAX] = {
1215 [Q_KEY_CODE_UP] = QEMU_KEY_CTRL_UP,
1216 [Q_KEY_CODE_DOWN] = QEMU_KEY_CTRL_DOWN,
1217 [Q_KEY_CODE_RIGHT] = QEMU_KEY_CTRL_RIGHT,
1218 [Q_KEY_CODE_LEFT] = QEMU_KEY_CTRL_LEFT,
1219 [Q_KEY_CODE_HOME] = QEMU_KEY_CTRL_HOME,
1220 [Q_KEY_CODE_END] = QEMU_KEY_CTRL_END,
1221 [Q_KEY_CODE_PGUP] = QEMU_KEY_CTRL_PAGEUP,
1222 [Q_KEY_CODE_PGDN] = QEMU_KEY_CTRL_PAGEDOWN,
1223 };
1224
1225 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl)
1226 {
1227 int keysym;
1228
1229 keysym = ctrl ? ctrl_qcode_to_keysym[qcode] : qcode_to_keysym[qcode];
1230 if (keysym == 0) {
1231 return false;
1232 }
1233 kbd_put_keysym_console(s, keysym);
1234 return true;
1235 }
1236
1237 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1238 {
1239 int i;
1240
1241 for (i = 0; i < len && str[i]; i++) {
1242 kbd_put_keysym_console(s, str[i]);
1243 }
1244 }
1245
1246 void kbd_put_keysym(int keysym)
1247 {
1248 kbd_put_keysym_console(active_console, keysym);
1249 }
1250
1251 static void text_console_invalidate(void *opaque)
1252 {
1253 QemuConsole *s = (QemuConsole *) opaque;
1254
1255 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1256 text_console_resize(s);
1257 }
1258 console_refresh(s);
1259 }
1260
1261 static void text_console_update(void *opaque, console_ch_t *chardata)
1262 {
1263 QemuConsole *s = (QemuConsole *) opaque;
1264 int i, j, src;
1265
1266 if (s->text_x[0] <= s->text_x[1]) {
1267 src = (s->y_base + s->text_y[0]) * s->width;
1268 chardata += s->text_y[0] * s->width;
1269 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1270 for (j = 0; j < s->width; j++, src++) {
1271 console_write_ch(chardata ++,
1272 ATTR2CHTYPE(s->cells[src].ch,
1273 s->cells[src].t_attrib.fgcol,
1274 s->cells[src].t_attrib.bgcol,
1275 s->cells[src].t_attrib.bold));
1276 }
1277 dpy_text_update(s, s->text_x[0], s->text_y[0],
1278 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1279 s->text_x[0] = s->width;
1280 s->text_y[0] = s->height;
1281 s->text_x[1] = 0;
1282 s->text_y[1] = 0;
1283 }
1284 if (s->cursor_invalidate) {
1285 dpy_text_cursor(s, s->x, s->y);
1286 s->cursor_invalidate = 0;
1287 }
1288 }
1289
1290 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1291 uint32_t head)
1292 {
1293 Object *obj;
1294 QemuConsole *s;
1295 int i;
1296
1297 obj = object_new(TYPE_QEMU_CONSOLE);
1298 s = QEMU_CONSOLE(obj);
1299 s->head = head;
1300 object_property_add_link(obj, "device", TYPE_DEVICE,
1301 (Object **)&s->device,
1302 object_property_allow_set_link,
1303 OBJ_PROP_LINK_STRONG);
1304 object_property_add_uint32_ptr(obj, "head", &s->head,
1305 OBJ_PROP_FLAG_READ);
1306
1307 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1308 (console_type == GRAPHIC_CONSOLE))) {
1309 active_console = s;
1310 }
1311 s->ds = ds;
1312 s->console_type = console_type;
1313
1314 if (QTAILQ_EMPTY(&consoles)) {
1315 s->index = 0;
1316 QTAILQ_INSERT_TAIL(&consoles, s, next);
1317 } else if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) {
1318 QemuConsole *last = QTAILQ_LAST(&consoles);
1319 s->index = last->index + 1;
1320 QTAILQ_INSERT_TAIL(&consoles, s, next);
1321 } else {
1322 /*
1323 * HACK: Put graphical consoles before text consoles.
1324 *
1325 * Only do that for coldplugged devices. After initial device
1326 * initialization we will not renumber the consoles any more.
1327 */
1328 QemuConsole *c = QTAILQ_FIRST(&consoles);
1329
1330 while (QTAILQ_NEXT(c, next) != NULL &&
1331 c->console_type == GRAPHIC_CONSOLE) {
1332 c = QTAILQ_NEXT(c, next);
1333 }
1334 if (c->console_type == GRAPHIC_CONSOLE) {
1335 /* have no text consoles */
1336 s->index = c->index + 1;
1337 QTAILQ_INSERT_AFTER(&consoles, c, s, next);
1338 } else {
1339 s->index = c->index;
1340 QTAILQ_INSERT_BEFORE(c, s, next);
1341 /* renumber text consoles */
1342 for (i = s->index + 1; c != NULL; c = QTAILQ_NEXT(c, next), i++) {
1343 c->index = i;
1344 }
1345 }
1346 }
1347 return s;
1348 }
1349
1350 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1351 {
1352 qemu_pixman_image_unref(surface->image);
1353 surface->image = NULL;
1354
1355 surface->format = PIXMAN_x8r8g8b8;
1356 surface->image = pixman_image_create_bits(surface->format,
1357 width, height,
1358 NULL, width * 4);
1359 assert(surface->image != NULL);
1360
1361 surface->flags = QEMU_ALLOCATED_FLAG;
1362 }
1363
1364 DisplaySurface *qemu_create_displaysurface(int width, int height)
1365 {
1366 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1367
1368 trace_displaysurface_create(surface, width, height);
1369 qemu_alloc_display(surface, width, height);
1370 return surface;
1371 }
1372
1373 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1374 pixman_format_code_t format,
1375 int linesize, uint8_t *data)
1376 {
1377 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1378
1379 trace_displaysurface_create_from(surface, width, height, format);
1380 surface->format = format;
1381 surface->image = pixman_image_create_bits(surface->format,
1382 width, height,
1383 (void *)data, linesize);
1384 assert(surface->image != NULL);
1385
1386 return surface;
1387 }
1388
1389 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1390 {
1391 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1392
1393 trace_displaysurface_create_pixman(surface);
1394 surface->format = pixman_image_get_format(image);
1395 surface->image = pixman_image_ref(image);
1396
1397 return surface;
1398 }
1399
1400 DisplaySurface *qemu_create_message_surface(int w, int h,
1401 const char *msg)
1402 {
1403 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1404 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1405 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1406 pixman_image_t *glyph;
1407 int len, x, y, i;
1408
1409 len = strlen(msg);
1410 x = (w / FONT_WIDTH - len) / 2;
1411 y = (h / FONT_HEIGHT - 1) / 2;
1412 for (i = 0; i < len; i++) {
1413 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1414 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1415 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1416 qemu_pixman_image_unref(glyph);
1417 }
1418 return surface;
1419 }
1420
1421 void qemu_free_displaysurface(DisplaySurface *surface)
1422 {
1423 if (surface == NULL) {
1424 return;
1425 }
1426 trace_displaysurface_free(surface);
1427 qemu_pixman_image_unref(surface->image);
1428 g_free(surface);
1429 }
1430
1431 bool console_has_gl(QemuConsole *con)
1432 {
1433 return con->gl != NULL;
1434 }
1435
1436 bool console_has_gl_dmabuf(QemuConsole *con)
1437 {
1438 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL;
1439 }
1440
1441 void register_displaychangelistener(DisplayChangeListener *dcl)
1442 {
1443 static const char nodev[] =
1444 "This VM has no graphic display device.";
1445 static DisplaySurface *dummy;
1446 QemuConsole *con;
1447
1448 assert(!dcl->ds);
1449
1450 if (dcl->ops->dpy_gl_ctx_create) {
1451 /* display has opengl support */
1452 assert(dcl->con);
1453 if (dcl->con->gl) {
1454 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1455 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1456 exit(1);
1457 }
1458 dcl->con->gl = dcl;
1459 }
1460
1461 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1462 dcl->ds = get_alloc_displaystate();
1463 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1464 gui_setup_refresh(dcl->ds);
1465 if (dcl->con) {
1466 dcl->con->dcls++;
1467 con = dcl->con;
1468 } else {
1469 con = active_console;
1470 }
1471 if (dcl->ops->dpy_gfx_switch) {
1472 if (con) {
1473 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1474 } else {
1475 if (!dummy) {
1476 dummy = qemu_create_message_surface(640, 480, nodev);
1477 }
1478 dcl->ops->dpy_gfx_switch(dcl, dummy);
1479 }
1480 }
1481 text_console_update_cursor(NULL);
1482 }
1483
1484 void update_displaychangelistener(DisplayChangeListener *dcl,
1485 uint64_t interval)
1486 {
1487 DisplayState *ds = dcl->ds;
1488
1489 dcl->update_interval = interval;
1490 if (!ds->refreshing && ds->update_interval > interval) {
1491 timer_mod(ds->gui_timer, ds->last_update + interval);
1492 }
1493 }
1494
1495 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1496 {
1497 DisplayState *ds = dcl->ds;
1498 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1499 if (dcl->con) {
1500 dcl->con->dcls--;
1501 }
1502 QLIST_REMOVE(dcl, next);
1503 dcl->ds = NULL;
1504 gui_setup_refresh(ds);
1505 }
1506
1507 static void dpy_set_ui_info_timer(void *opaque)
1508 {
1509 QemuConsole *con = opaque;
1510
1511 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1512 }
1513
1514 bool dpy_ui_info_supported(QemuConsole *con)
1515 {
1516 return con->hw_ops->ui_info != NULL;
1517 }
1518
1519 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1520 {
1521 assert(con != NULL);
1522
1523 if (!dpy_ui_info_supported(con)) {
1524 return -1;
1525 }
1526 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1527 /* nothing changed -- ignore */
1528 return 0;
1529 }
1530
1531 /*
1532 * Typically we get a flood of these as the user resizes the window.
1533 * Wait until the dust has settled (one second without updates), then
1534 * go notify the guest.
1535 */
1536 con->ui_info = *info;
1537 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1538 return 0;
1539 }
1540
1541 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1542 {
1543 DisplayState *s = con->ds;
1544 DisplayChangeListener *dcl;
1545 int width = w;
1546 int height = h;
1547
1548 if (con->surface) {
1549 width = surface_width(con->surface);
1550 height = surface_height(con->surface);
1551 }
1552 x = MAX(x, 0);
1553 y = MAX(y, 0);
1554 x = MIN(x, width);
1555 y = MIN(y, height);
1556 w = MIN(w, width - x);
1557 h = MIN(h, height - y);
1558
1559 if (!qemu_console_is_visible(con)) {
1560 return;
1561 }
1562 QLIST_FOREACH(dcl, &s->listeners, next) {
1563 if (con != (dcl->con ? dcl->con : active_console)) {
1564 continue;
1565 }
1566 if (dcl->ops->dpy_gfx_update) {
1567 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1568 }
1569 }
1570 }
1571
1572 void dpy_gfx_update_full(QemuConsole *con)
1573 {
1574 if (!con->surface) {
1575 return;
1576 }
1577 dpy_gfx_update(con, 0, 0,
1578 surface_width(con->surface),
1579 surface_height(con->surface));
1580 }
1581
1582 void dpy_gfx_replace_surface(QemuConsole *con,
1583 DisplaySurface *surface)
1584 {
1585 DisplayState *s = con->ds;
1586 DisplaySurface *old_surface = con->surface;
1587 DisplayChangeListener *dcl;
1588
1589 assert(old_surface != surface || surface == NULL);
1590
1591 con->surface = surface;
1592 QLIST_FOREACH(dcl, &s->listeners, next) {
1593 if (con != (dcl->con ? dcl->con : active_console)) {
1594 continue;
1595 }
1596 if (dcl->ops->dpy_gfx_switch) {
1597 dcl->ops->dpy_gfx_switch(dcl, surface);
1598 }
1599 }
1600 qemu_free_displaysurface(old_surface);
1601 }
1602
1603 bool dpy_gfx_check_format(QemuConsole *con,
1604 pixman_format_code_t format)
1605 {
1606 DisplayChangeListener *dcl;
1607 DisplayState *s = con->ds;
1608
1609 QLIST_FOREACH(dcl, &s->listeners, next) {
1610 if (dcl->con && dcl->con != con) {
1611 /* dcl bound to another console -> skip */
1612 continue;
1613 }
1614 if (dcl->ops->dpy_gfx_check_format) {
1615 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1616 return false;
1617 }
1618 } else {
1619 /* default is to whitelist native 32 bpp only */
1620 if (format != qemu_default_pixman_format(32, true)) {
1621 return false;
1622 }
1623 }
1624 }
1625 return true;
1626 }
1627
1628 static void dpy_refresh(DisplayState *s)
1629 {
1630 DisplayChangeListener *dcl;
1631
1632 QLIST_FOREACH(dcl, &s->listeners, next) {
1633 if (dcl->ops->dpy_refresh) {
1634 dcl->ops->dpy_refresh(dcl);
1635 }
1636 }
1637 }
1638
1639 void dpy_text_cursor(QemuConsole *con, int x, int y)
1640 {
1641 DisplayState *s = con->ds;
1642 DisplayChangeListener *dcl;
1643
1644 if (!qemu_console_is_visible(con)) {
1645 return;
1646 }
1647 QLIST_FOREACH(dcl, &s->listeners, next) {
1648 if (con != (dcl->con ? dcl->con : active_console)) {
1649 continue;
1650 }
1651 if (dcl->ops->dpy_text_cursor) {
1652 dcl->ops->dpy_text_cursor(dcl, x, y);
1653 }
1654 }
1655 }
1656
1657 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1658 {
1659 DisplayState *s = con->ds;
1660 DisplayChangeListener *dcl;
1661
1662 if (!qemu_console_is_visible(con)) {
1663 return;
1664 }
1665 QLIST_FOREACH(dcl, &s->listeners, next) {
1666 if (con != (dcl->con ? dcl->con : active_console)) {
1667 continue;
1668 }
1669 if (dcl->ops->dpy_text_update) {
1670 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1671 }
1672 }
1673 }
1674
1675 void dpy_text_resize(QemuConsole *con, int w, int h)
1676 {
1677 DisplayState *s = con->ds;
1678 DisplayChangeListener *dcl;
1679
1680 if (!qemu_console_is_visible(con)) {
1681 return;
1682 }
1683 QLIST_FOREACH(dcl, &s->listeners, next) {
1684 if (con != (dcl->con ? dcl->con : active_console)) {
1685 continue;
1686 }
1687 if (dcl->ops->dpy_text_resize) {
1688 dcl->ops->dpy_text_resize(dcl, w, h);
1689 }
1690 }
1691 }
1692
1693 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1694 {
1695 DisplayState *s = con->ds;
1696 DisplayChangeListener *dcl;
1697
1698 if (!qemu_console_is_visible(con)) {
1699 return;
1700 }
1701 QLIST_FOREACH(dcl, &s->listeners, next) {
1702 if (con != (dcl->con ? dcl->con : active_console)) {
1703 continue;
1704 }
1705 if (dcl->ops->dpy_mouse_set) {
1706 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1707 }
1708 }
1709 }
1710
1711 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1712 {
1713 DisplayState *s = con->ds;
1714 DisplayChangeListener *dcl;
1715
1716 if (!qemu_console_is_visible(con)) {
1717 return;
1718 }
1719 QLIST_FOREACH(dcl, &s->listeners, next) {
1720 if (con != (dcl->con ? dcl->con : active_console)) {
1721 continue;
1722 }
1723 if (dcl->ops->dpy_cursor_define) {
1724 dcl->ops->dpy_cursor_define(dcl, cursor);
1725 }
1726 }
1727 }
1728
1729 bool dpy_cursor_define_supported(QemuConsole *con)
1730 {
1731 DisplayState *s = con->ds;
1732 DisplayChangeListener *dcl;
1733
1734 QLIST_FOREACH(dcl, &s->listeners, next) {
1735 if (dcl->ops->dpy_cursor_define) {
1736 return true;
1737 }
1738 }
1739 return false;
1740 }
1741
1742 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1743 struct QEMUGLParams *qparams)
1744 {
1745 assert(con->gl);
1746 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1747 }
1748
1749 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1750 {
1751 assert(con->gl);
1752 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1753 }
1754
1755 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1756 {
1757 assert(con->gl);
1758 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1759 }
1760
1761 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1762 {
1763 assert(con->gl);
1764 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1765 }
1766
1767 void dpy_gl_scanout_disable(QemuConsole *con)
1768 {
1769 assert(con->gl);
1770 if (con->gl->ops->dpy_gl_scanout_disable) {
1771 con->gl->ops->dpy_gl_scanout_disable(con->gl);
1772 } else {
1773 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0,
1774 0, 0, 0, 0);
1775 }
1776 }
1777
1778 void dpy_gl_scanout_texture(QemuConsole *con,
1779 uint32_t backing_id,
1780 bool backing_y_0_top,
1781 uint32_t backing_width,
1782 uint32_t backing_height,
1783 uint32_t x, uint32_t y,
1784 uint32_t width, uint32_t height)
1785 {
1786 assert(con->gl);
1787 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id,
1788 backing_y_0_top,
1789 backing_width, backing_height,
1790 x, y, width, height);
1791 }
1792
1793 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1794 QemuDmaBuf *dmabuf)
1795 {
1796 assert(con->gl);
1797 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf);
1798 }
1799
1800 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
1801 bool have_hot, uint32_t hot_x, uint32_t hot_y)
1802 {
1803 assert(con->gl);
1804
1805 if (con->gl->ops->dpy_gl_cursor_dmabuf) {
1806 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf,
1807 have_hot, hot_x, hot_y);
1808 }
1809 }
1810
1811 void dpy_gl_cursor_position(QemuConsole *con,
1812 uint32_t pos_x, uint32_t pos_y)
1813 {
1814 assert(con->gl);
1815
1816 if (con->gl->ops->dpy_gl_cursor_position) {
1817 con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y);
1818 }
1819 }
1820
1821 void dpy_gl_release_dmabuf(QemuConsole *con,
1822 QemuDmaBuf *dmabuf)
1823 {
1824 assert(con->gl);
1825
1826 if (con->gl->ops->dpy_gl_release_dmabuf) {
1827 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf);
1828 }
1829 }
1830
1831 void dpy_gl_update(QemuConsole *con,
1832 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1833 {
1834 assert(con->gl);
1835 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1836 }
1837
1838 /***********************************************************/
1839 /* register display */
1840
1841 /* console.c internal use only */
1842 static DisplayState *get_alloc_displaystate(void)
1843 {
1844 if (!display_state) {
1845 display_state = g_new0(DisplayState, 1);
1846 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1847 text_console_update_cursor, NULL);
1848 }
1849 return display_state;
1850 }
1851
1852 /*
1853 * Called by main(), after creating QemuConsoles
1854 * and before initializing ui (sdl/vnc/...).
1855 */
1856 DisplayState *init_displaystate(void)
1857 {
1858 gchar *name;
1859 QemuConsole *con;
1860
1861 get_alloc_displaystate();
1862 QTAILQ_FOREACH(con, &consoles, next) {
1863 if (con->console_type != GRAPHIC_CONSOLE &&
1864 con->ds == NULL) {
1865 text_console_do_init(con->chr, display_state);
1866 }
1867
1868 /* Hook up into the qom tree here (not in new_console()), once
1869 * all QemuConsoles are created and the order / numbering
1870 * doesn't change any more */
1871 name = g_strdup_printf("console[%d]", con->index);
1872 object_property_add_child(container_get(object_get_root(), "/backend"),
1873 name, OBJECT(con));
1874 g_free(name);
1875 }
1876
1877 return display_state;
1878 }
1879
1880 void graphic_console_set_hwops(QemuConsole *con,
1881 const GraphicHwOps *hw_ops,
1882 void *opaque)
1883 {
1884 con->hw_ops = hw_ops;
1885 con->hw = opaque;
1886 }
1887
1888 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1889 const GraphicHwOps *hw_ops,
1890 void *opaque)
1891 {
1892 static const char noinit[] =
1893 "Guest has not initialized the display (yet).";
1894 int width = 640;
1895 int height = 480;
1896 QemuConsole *s;
1897 DisplayState *ds;
1898 DisplaySurface *surface;
1899
1900 ds = get_alloc_displaystate();
1901 s = qemu_console_lookup_unused();
1902 if (s) {
1903 trace_console_gfx_reuse(s->index);
1904 if (s->surface) {
1905 width = surface_width(s->surface);
1906 height = surface_height(s->surface);
1907 }
1908 } else {
1909 trace_console_gfx_new();
1910 s = new_console(ds, GRAPHIC_CONSOLE, head);
1911 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1912 dpy_set_ui_info_timer, s);
1913 }
1914 graphic_console_set_hwops(s, hw_ops, opaque);
1915 if (dev) {
1916 object_property_set_link(OBJECT(s), "device", OBJECT(dev),
1917 &error_abort);
1918 }
1919
1920 surface = qemu_create_message_surface(width, height, noinit);
1921 dpy_gfx_replace_surface(s, surface);
1922 return s;
1923 }
1924
1925 static const GraphicHwOps unused_ops = {
1926 /* no callbacks */
1927 };
1928
1929 void graphic_console_close(QemuConsole *con)
1930 {
1931 static const char unplugged[] =
1932 "Guest display has been unplugged";
1933 DisplaySurface *surface;
1934 int width = 640;
1935 int height = 480;
1936
1937 if (con->surface) {
1938 width = surface_width(con->surface);
1939 height = surface_height(con->surface);
1940 }
1941
1942 trace_console_gfx_close(con->index);
1943 object_property_set_link(OBJECT(con), "device", NULL, &error_abort);
1944 graphic_console_set_hwops(con, &unused_ops, NULL);
1945
1946 if (con->gl) {
1947 dpy_gl_scanout_disable(con);
1948 }
1949 surface = qemu_create_message_surface(width, height, unplugged);
1950 dpy_gfx_replace_surface(con, surface);
1951 }
1952
1953 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1954 {
1955 QemuConsole *con;
1956
1957 QTAILQ_FOREACH(con, &consoles, next) {
1958 if (con->index == index) {
1959 return con;
1960 }
1961 }
1962 return NULL;
1963 }
1964
1965 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1966 {
1967 QemuConsole *con;
1968 Object *obj;
1969 uint32_t h;
1970
1971 QTAILQ_FOREACH(con, &consoles, next) {
1972 obj = object_property_get_link(OBJECT(con),
1973 "device", &error_abort);
1974 if (DEVICE(obj) != dev) {
1975 continue;
1976 }
1977 h = object_property_get_uint(OBJECT(con),
1978 "head", &error_abort);
1979 if (h != head) {
1980 continue;
1981 }
1982 return con;
1983 }
1984 return NULL;
1985 }
1986
1987 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
1988 uint32_t head, Error **errp)
1989 {
1990 DeviceState *dev;
1991 QemuConsole *con;
1992
1993 dev = qdev_find_recursive(sysbus_get_default(), device_id);
1994 if (dev == NULL) {
1995 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
1996 "Device '%s' not found", device_id);
1997 return NULL;
1998 }
1999
2000 con = qemu_console_lookup_by_device(dev, head);
2001 if (con == NULL) {
2002 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
2003 device_id, head);
2004 return NULL;
2005 }
2006
2007 return con;
2008 }
2009
2010 QemuConsole *qemu_console_lookup_unused(void)
2011 {
2012 QemuConsole *con;
2013 Object *obj;
2014
2015 QTAILQ_FOREACH(con, &consoles, next) {
2016 if (con->hw_ops != &unused_ops) {
2017 continue;
2018 }
2019 obj = object_property_get_link(OBJECT(con),
2020 "device", &error_abort);
2021 if (obj != NULL) {
2022 continue;
2023 }
2024 return con;
2025 }
2026 return NULL;
2027 }
2028
2029 bool qemu_console_is_visible(QemuConsole *con)
2030 {
2031 return (con == active_console) || (con->dcls > 0);
2032 }
2033
2034 bool qemu_console_is_graphic(QemuConsole *con)
2035 {
2036 if (con == NULL) {
2037 con = active_console;
2038 }
2039 return con && (con->console_type == GRAPHIC_CONSOLE);
2040 }
2041
2042 bool qemu_console_is_fixedsize(QemuConsole *con)
2043 {
2044 if (con == NULL) {
2045 con = active_console;
2046 }
2047 return con && (con->console_type != TEXT_CONSOLE);
2048 }
2049
2050 bool qemu_console_is_gl_blocked(QemuConsole *con)
2051 {
2052 assert(con != NULL);
2053 return con->gl_block;
2054 }
2055
2056 char *qemu_console_get_label(QemuConsole *con)
2057 {
2058 if (con->console_type == GRAPHIC_CONSOLE) {
2059 if (con->device) {
2060 return g_strdup(object_get_typename(con->device));
2061 }
2062 return g_strdup("VGA");
2063 } else {
2064 if (con->chr && con->chr->label) {
2065 return g_strdup(con->chr->label);
2066 }
2067 return g_strdup_printf("vc%d", con->index);
2068 }
2069 }
2070
2071 int qemu_console_get_index(QemuConsole *con)
2072 {
2073 if (con == NULL) {
2074 con = active_console;
2075 }
2076 return con ? con->index : -1;
2077 }
2078
2079 uint32_t qemu_console_get_head(QemuConsole *con)
2080 {
2081 if (con == NULL) {
2082 con = active_console;
2083 }
2084 return con ? con->head : -1;
2085 }
2086
2087 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
2088 {
2089 assert(con != NULL);
2090 return &con->ui_info;
2091 }
2092
2093 int qemu_console_get_width(QemuConsole *con, int fallback)
2094 {
2095 if (con == NULL) {
2096 con = active_console;
2097 }
2098 return con ? surface_width(con->surface) : fallback;
2099 }
2100
2101 int qemu_console_get_height(QemuConsole *con, int fallback)
2102 {
2103 if (con == NULL) {
2104 con = active_console;
2105 }
2106 return con ? surface_height(con->surface) : fallback;
2107 }
2108
2109 static void vc_chr_set_echo(Chardev *chr, bool echo)
2110 {
2111 VCChardev *drv = VC_CHARDEV(chr);
2112 QemuConsole *s = drv->console;
2113
2114 s->echo = echo;
2115 }
2116
2117 static void text_console_update_cursor_timer(void)
2118 {
2119 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
2120 + CONSOLE_CURSOR_PERIOD / 2);
2121 }
2122
2123 static void text_console_update_cursor(void *opaque)
2124 {
2125 QemuConsole *s;
2126 int count = 0;
2127
2128 cursor_visible_phase = !cursor_visible_phase;
2129
2130 QTAILQ_FOREACH(s, &consoles, next) {
2131 if (qemu_console_is_graphic(s) ||
2132 !qemu_console_is_visible(s)) {
2133 continue;
2134 }
2135 count++;
2136 graphic_hw_invalidate(s);
2137 }
2138
2139 if (count) {
2140 text_console_update_cursor_timer();
2141 }
2142 }
2143
2144 static const GraphicHwOps text_console_ops = {
2145 .invalidate = text_console_invalidate,
2146 .text_update = text_console_update,
2147 };
2148
2149 static void text_console_do_init(Chardev *chr, DisplayState *ds)
2150 {
2151 VCChardev *drv = VC_CHARDEV(chr);
2152 QemuConsole *s = drv->console;
2153 int g_width = 80 * FONT_WIDTH;
2154 int g_height = 24 * FONT_HEIGHT;
2155
2156 s->out_fifo.buf = s->out_fifo_buf;
2157 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
2158 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
2159 s->ds = ds;
2160
2161 s->y_displayed = 0;
2162 s->y_base = 0;
2163 s->total_height = DEFAULT_BACKSCROLL;
2164 s->x = 0;
2165 s->y = 0;
2166 if (!s->surface) {
2167 if (active_console && active_console->surface) {
2168 g_width = surface_width(active_console->surface);
2169 g_height = surface_height(active_console->surface);
2170 }
2171 s->surface = qemu_create_displaysurface(g_width, g_height);
2172 }
2173
2174 s->hw_ops = &text_console_ops;
2175 s->hw = s;
2176
2177 /* Set text attribute defaults */
2178 s->t_attrib_default.bold = 0;
2179 s->t_attrib_default.uline = 0;
2180 s->t_attrib_default.blink = 0;
2181 s->t_attrib_default.invers = 0;
2182 s->t_attrib_default.unvisible = 0;
2183 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2184 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2185 /* set current text attributes to default */
2186 s->t_attrib = s->t_attrib_default;
2187 text_console_resize(s);
2188
2189 if (chr->label) {
2190 char *msg;
2191
2192 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2193 msg = g_strdup_printf("%s console\r\n", chr->label);
2194 vc_chr_write(chr, (uint8_t *)msg, strlen(msg));
2195 g_free(msg);
2196 s->t_attrib = s->t_attrib_default;
2197 }
2198
2199 qemu_chr_be_event(chr, CHR_EVENT_OPENED);
2200 }
2201
2202 static void vc_chr_open(Chardev *chr,
2203 ChardevBackend *backend,
2204 bool *be_opened,
2205 Error **errp)
2206 {
2207 ChardevVC *vc = backend->u.vc.data;
2208 VCChardev *drv = VC_CHARDEV(chr);
2209 QemuConsole *s;
2210 unsigned width = 0;
2211 unsigned height = 0;
2212
2213 if (vc->has_width) {
2214 width = vc->width;
2215 } else if (vc->has_cols) {
2216 width = vc->cols * FONT_WIDTH;
2217 }
2218
2219 if (vc->has_height) {
2220 height = vc->height;
2221 } else if (vc->has_rows) {
2222 height = vc->rows * FONT_HEIGHT;
2223 }
2224
2225 trace_console_txt_new(width, height);
2226 if (width == 0 || height == 0) {
2227 s = new_console(NULL, TEXT_CONSOLE, 0);
2228 } else {
2229 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2230 s->surface = qemu_create_displaysurface(width, height);
2231 }
2232
2233 if (!s) {
2234 error_setg(errp, "cannot create text console");
2235 return;
2236 }
2237
2238 s->chr = chr;
2239 drv->console = s;
2240
2241 if (display_state) {
2242 text_console_do_init(chr, display_state);
2243 }
2244
2245 /* console/chardev init sometimes completes elsewhere in a 2nd
2246 * stage, so defer OPENED events until they are fully initialized
2247 */
2248 *be_opened = false;
2249 }
2250
2251 void qemu_console_resize(QemuConsole *s, int width, int height)
2252 {
2253 DisplaySurface *surface;
2254
2255 assert(s->console_type == GRAPHIC_CONSOLE);
2256
2257 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) &&
2258 pixman_image_get_width(s->surface->image) == width &&
2259 pixman_image_get_height(s->surface->image) == height) {
2260 return;
2261 }
2262
2263 surface = qemu_create_displaysurface(width, height);
2264 dpy_gfx_replace_surface(s, surface);
2265 }
2266
2267 DisplaySurface *qemu_console_surface(QemuConsole *console)
2268 {
2269 return console->surface;
2270 }
2271
2272 PixelFormat qemu_default_pixelformat(int bpp)
2273 {
2274 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2275 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2276 return pf;
2277 }
2278
2279 static QemuDisplay *dpys[DISPLAY_TYPE__MAX];
2280
2281 void qemu_display_register(QemuDisplay *ui)
2282 {
2283 assert(ui->type < DISPLAY_TYPE__MAX);
2284 dpys[ui->type] = ui;
2285 }
2286
2287 bool qemu_display_find_default(DisplayOptions *opts)
2288 {
2289 static DisplayType prio[] = {
2290 DISPLAY_TYPE_GTK,
2291 DISPLAY_TYPE_SDL,
2292 DISPLAY_TYPE_COCOA
2293 };
2294 int i;
2295
2296 for (i = 0; i < ARRAY_SIZE(prio); i++) {
2297 if (dpys[prio[i]] == NULL) {
2298 ui_module_load_one(DisplayType_str(prio[i]));
2299 }
2300 if (dpys[prio[i]] == NULL) {
2301 continue;
2302 }
2303 opts->type = prio[i];
2304 return true;
2305 }
2306 return false;
2307 }
2308
2309 void qemu_display_early_init(DisplayOptions *opts)
2310 {
2311 assert(opts->type < DISPLAY_TYPE__MAX);
2312 if (opts->type == DISPLAY_TYPE_NONE) {
2313 return;
2314 }
2315 if (dpys[opts->type] == NULL) {
2316 ui_module_load_one(DisplayType_str(opts->type));
2317 }
2318 if (dpys[opts->type] == NULL) {
2319 error_report("Display '%s' is not available.",
2320 DisplayType_str(opts->type));
2321 exit(1);
2322 }
2323 if (dpys[opts->type]->early_init) {
2324 dpys[opts->type]->early_init(opts);
2325 }
2326 }
2327
2328 void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
2329 {
2330 assert(opts->type < DISPLAY_TYPE__MAX);
2331 if (opts->type == DISPLAY_TYPE_NONE) {
2332 return;
2333 }
2334 assert(dpys[opts->type] != NULL);
2335 dpys[opts->type]->init(ds, opts);
2336 }
2337
2338 void qemu_display_help(void)
2339 {
2340 int idx;
2341
2342 printf("Available display backend types:\n");
2343 printf("none\n");
2344 for (idx = DISPLAY_TYPE_NONE; idx < DISPLAY_TYPE__MAX; idx++) {
2345 if (!dpys[idx]) {
2346 ui_module_load_one(DisplayType_str(idx));
2347 }
2348 if (dpys[idx]) {
2349 printf("%s\n", DisplayType_str(dpys[idx]->type));
2350 }
2351 }
2352 }
2353
2354 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
2355 {
2356 int val;
2357 ChardevVC *vc;
2358
2359 backend->type = CHARDEV_BACKEND_KIND_VC;
2360 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2361 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2362
2363 val = qemu_opt_get_number(opts, "width", 0);
2364 if (val != 0) {
2365 vc->has_width = true;
2366 vc->width = val;
2367 }
2368
2369 val = qemu_opt_get_number(opts, "height", 0);
2370 if (val != 0) {
2371 vc->has_height = true;
2372 vc->height = val;
2373 }
2374
2375 val = qemu_opt_get_number(opts, "cols", 0);
2376 if (val != 0) {
2377 vc->has_cols = true;
2378 vc->cols = val;
2379 }
2380
2381 val = qemu_opt_get_number(opts, "rows", 0);
2382 if (val != 0) {
2383 vc->has_rows = true;
2384 vc->rows = val;
2385 }
2386 }
2387
2388 static const TypeInfo qemu_console_info = {
2389 .name = TYPE_QEMU_CONSOLE,
2390 .parent = TYPE_OBJECT,
2391 .instance_size = sizeof(QemuConsole),
2392 .class_size = sizeof(QemuConsoleClass),
2393 };
2394
2395 static void char_vc_class_init(ObjectClass *oc, void *data)
2396 {
2397 ChardevClass *cc = CHARDEV_CLASS(oc);
2398
2399 cc->parse = qemu_chr_parse_vc;
2400 cc->open = vc_chr_open;
2401 cc->chr_write = vc_chr_write;
2402 cc->chr_set_echo = vc_chr_set_echo;
2403 }
2404
2405 static const TypeInfo char_vc_type_info = {
2406 .name = TYPE_CHARDEV_VC,
2407 .parent = TYPE_CHARDEV,
2408 .instance_size = sizeof(VCChardev),
2409 .class_init = char_vc_class_init,
2410 };
2411
2412 void qemu_console_early_init(void)
2413 {
2414 /* set the default vc driver */
2415 if (!object_class_by_name(TYPE_CHARDEV_VC)) {
2416 type_register(&char_vc_type_info);
2417 }
2418 }
2419
2420 static void register_types(void)
2421 {
2422 type_register_static(&qemu_console_info);
2423 }
2424
2425 type_init(register_types);