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object: Improve documentation of interfaces
[qemu/ar7.git] / ui / console.c
blob82d1ddac9cfd4c3ab74e793a4344a0d92ceebb73
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
37 #define DEFAULT_BACKSCROLL 512
38 #define CONSOLE_CURSOR_PERIOD 500
39
40 typedef struct TextAttributes {
41 uint8_t fgcol:4;
42 uint8_t bgcol:4;
43 uint8_t bold:1;
44 uint8_t uline:1;
45 uint8_t blink:1;
46 uint8_t invers:1;
47 uint8_t unvisible:1;
48 } TextAttributes;
49
50 typedef struct TextCell {
51 uint8_t ch;
52 TextAttributes t_attrib;
53 } TextCell;
54
55 #define MAX_ESC_PARAMS 3
56
57 enum TTYState {
58 TTY_STATE_NORM,
59 TTY_STATE_ESC,
60 TTY_STATE_CSI,
61 };
62
63 typedef struct QEMUFIFO {
64 uint8_t *buf;
65 int buf_size;
66 int count, wptr, rptr;
67 } QEMUFIFO;
68
69 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
70 {
71 int l, len;
72
73 l = f->buf_size - f->count;
74 if (len1 > l)
75 len1 = l;
76 len = len1;
77 while (len > 0) {
78 l = f->buf_size - f->wptr;
79 if (l > len)
80 l = len;
81 memcpy(f->buf + f->wptr, buf, l);
82 f->wptr += l;
83 if (f->wptr >= f->buf_size)
84 f->wptr = 0;
85 buf += l;
86 len -= l;
87 }
88 f->count += len1;
89 return len1;
90 }
91
92 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
93 {
94 int l, len;
95
96 if (len1 > f->count)
97 len1 = f->count;
98 len = len1;
99 while (len > 0) {
100 l = f->buf_size - f->rptr;
101 if (l > len)
102 l = len;
103 memcpy(buf, f->buf + f->rptr, l);
104 f->rptr += l;
105 if (f->rptr >= f->buf_size)
106 f->rptr = 0;
107 buf += l;
108 len -= l;
109 }
110 f->count -= len1;
111 return len1;
112 }
113
114 typedef enum {
115 GRAPHIC_CONSOLE,
116 TEXT_CONSOLE,
117 TEXT_CONSOLE_FIXED_SIZE
118 } console_type_t;
119
120 struct QemuConsole {
121 Object parent;
122
123 int index;
124 console_type_t console_type;
125 DisplayState *ds;
126 DisplaySurface *surface;
127 int dcls;
128 DisplayChangeListener *gl;
129 bool gl_block;
130 int window_id;
131
132 /* Graphic console state. */
133 Object *device;
134 uint32_t head;
135 QemuUIInfo ui_info;
136 QEMUTimer *ui_timer;
137 const GraphicHwOps *hw_ops;
138 void *hw;
139
140 /* Text console state */
141 int width;
142 int height;
143 int total_height;
144 int backscroll_height;
145 int x, y;
146 int x_saved, y_saved;
147 int y_displayed;
148 int y_base;
149 TextAttributes t_attrib_default; /* default text attributes */
150 TextAttributes t_attrib; /* currently active text attributes */
151 TextCell *cells;
152 int text_x[2], text_y[2], cursor_invalidate;
153 int echo;
154
155 int update_x0;
156 int update_y0;
157 int update_x1;
158 int update_y1;
159
160 enum TTYState state;
161 int esc_params[MAX_ESC_PARAMS];
162 int nb_esc_params;
163
164 Chardev *chr;
165 /* fifo for key pressed */
166 QEMUFIFO out_fifo;
167 uint8_t out_fifo_buf[16];
168 QEMUTimer *kbd_timer;
169
170 QTAILQ_ENTRY(QemuConsole) next;
171 };
172
173 struct DisplayState {
174 QEMUTimer *gui_timer;
175 uint64_t last_update;
176 uint64_t update_interval;
177 bool refreshing;
178 bool have_gfx;
179 bool have_text;
180
181 QLIST_HEAD(, DisplayChangeListener) listeners;
182 };
183
184 static DisplayState *display_state;
185 static QemuConsole *active_console;
186 static QTAILQ_HEAD(, QemuConsole) consoles =
187 QTAILQ_HEAD_INITIALIZER(consoles);
188 static bool cursor_visible_phase;
189 static QEMUTimer *cursor_timer;
190
191 static void text_console_do_init(Chardev *chr, DisplayState *ds);
192 static void dpy_refresh(DisplayState *s);
193 static DisplayState *get_alloc_displaystate(void);
194 static void text_console_update_cursor_timer(void);
195 static void text_console_update_cursor(void *opaque);
196
197 static void gui_update(void *opaque)
198 {
199 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
200 uint64_t dcl_interval;
201 DisplayState *ds = opaque;
202 DisplayChangeListener *dcl;
203 QemuConsole *con;
204
205 ds->refreshing = true;
206 dpy_refresh(ds);
207 ds->refreshing = false;
208
209 QLIST_FOREACH(dcl, &ds->listeners, next) {
210 dcl_interval = dcl->update_interval ?
211 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
212 if (interval > dcl_interval) {
213 interval = dcl_interval;
214 }
215 }
216 if (ds->update_interval != interval) {
217 ds->update_interval = interval;
218 QTAILQ_FOREACH(con, &consoles, next) {
219 if (con->hw_ops->update_interval) {
220 con->hw_ops->update_interval(con->hw, interval);
221 }
222 }
223 trace_console_refresh(interval);
224 }
225 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
226 timer_mod(ds->gui_timer, ds->last_update + interval);
227 }
228
229 static void gui_setup_refresh(DisplayState *ds)
230 {
231 DisplayChangeListener *dcl;
232 bool need_timer = false;
233 bool have_gfx = false;
234 bool have_text = false;
235
236 QLIST_FOREACH(dcl, &ds->listeners, next) {
237 if (dcl->ops->dpy_refresh != NULL) {
238 need_timer = true;
239 }
240 if (dcl->ops->dpy_gfx_update != NULL) {
241 have_gfx = true;
242 }
243 if (dcl->ops->dpy_text_update != NULL) {
244 have_text = true;
245 }
246 }
247
248 if (need_timer && ds->gui_timer == NULL) {
249 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
250 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
251 }
252 if (!need_timer && ds->gui_timer != NULL) {
253 timer_del(ds->gui_timer);
254 timer_free(ds->gui_timer);
255 ds->gui_timer = NULL;
256 }
257
258 ds->have_gfx = have_gfx;
259 ds->have_text = have_text;
260 }
261
262 void graphic_hw_update(QemuConsole *con)
263 {
264 if (!con) {
265 con = active_console;
266 }
267 if (con && con->hw_ops->gfx_update) {
268 con->hw_ops->gfx_update(con->hw);
269 }
270 }
271
272 void graphic_hw_gl_block(QemuConsole *con, bool block)
273 {
274 assert(con != NULL);
275
276 con->gl_block = block;
277 if (con->hw_ops->gl_block) {
278 con->hw_ops->gl_block(con->hw, block);
279 }
280 }
281
282 int qemu_console_get_window_id(QemuConsole *con)
283 {
284 return con->window_id;
285 }
286
287 void qemu_console_set_window_id(QemuConsole *con, int window_id)
288 {
289 con->window_id = window_id;
290 }
291
292 void graphic_hw_invalidate(QemuConsole *con)
293 {
294 if (!con) {
295 con = active_console;
296 }
297 if (con && con->hw_ops->invalidate) {
298 con->hw_ops->invalidate(con->hw);
299 }
300 }
301
302 static void ppm_save(const char *filename, DisplaySurface *ds,
303 Error **errp)
304 {
305 int width = pixman_image_get_width(ds->image);
306 int height = pixman_image_get_height(ds->image);
307 int fd;
308 FILE *f;
309 int y;
310 int ret;
311 pixman_image_t *linebuf;
312
313 trace_ppm_save(filename, ds);
314 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
315 if (fd == -1) {
316 error_setg(errp, "failed to open file '%s': %s", filename,
317 strerror(errno));
318 return;
319 }
320 f = fdopen(fd, "wb");
321 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
322 if (ret < 0) {
323 linebuf = NULL;
324 goto write_err;
325 }
326 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
327 for (y = 0; y < height; y++) {
328 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
329 clearerr(f);
330 ret = fwrite(pixman_image_get_data(linebuf), 1,
331 pixman_image_get_stride(linebuf), f);
332 (void)ret;
333 if (ferror(f)) {
334 goto write_err;
335 }
336 }
337
338 out:
339 qemu_pixman_image_unref(linebuf);
340 fclose(f);
341 return;
342
343 write_err:
344 error_setg(errp, "failed to write to file '%s': %s", filename,
345 strerror(errno));
346 unlink(filename);
347 goto out;
348 }
349
350 void qmp_screendump(const char *filename, bool has_device, const char *device,
351 bool has_head, int64_t head, Error **errp)
352 {
353 QemuConsole *con;
354 DisplaySurface *surface;
355
356 if (has_device) {
357 con = qemu_console_lookup_by_device_name(device, has_head ? head : 0,
358 errp);
359 if (!con) {
360 return;
361 }
362 } else {
363 if (has_head) {
364 error_setg(errp, "'head' must be specified together with 'device'");
365 return;
366 }
367 con = qemu_console_lookup_by_index(0);
368 if (!con) {
369 error_setg(errp, "There is no console to take a screendump from");
370 return;
371 }
372 }
373
374 graphic_hw_update(con);
375 surface = qemu_console_surface(con);
376 if (!surface) {
377 error_setg(errp, "no surface");
378 return;
379 }
380
381 ppm_save(filename, surface, errp);
382 }
383
384 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
385 {
386 if (!con) {
387 con = active_console;
388 }
389 if (con && con->hw_ops->text_update) {
390 con->hw_ops->text_update(con->hw, chardata);
391 }
392 }
393
394 static void vga_fill_rect(QemuConsole *con,
395 int posx, int posy, int width, int height,
396 pixman_color_t color)
397 {
398 DisplaySurface *surface = qemu_console_surface(con);
399 pixman_rectangle16_t rect = {
400 .x = posx, .y = posy, .width = width, .height = height
401 };
402
403 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
404 &color, 1, &rect);
405 }
406
407 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
408 static void vga_bitblt(QemuConsole *con,
409 int xs, int ys, int xd, int yd, int w, int h)
410 {
411 DisplaySurface *surface = qemu_console_surface(con);
412
413 pixman_image_composite(PIXMAN_OP_SRC,
414 surface->image, NULL, surface->image,
415 xs, ys, 0, 0, xd, yd, w, h);
416 }
417
418 /***********************************************************/
419 /* basic char display */
420
421 #define FONT_HEIGHT 16
422 #define FONT_WIDTH 8
423
424 #include "vgafont.h"
425
426 #define QEMU_RGB(r, g, b) \
427 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
428
429 static const pixman_color_t color_table_rgb[2][8] = {
430 { /* dark */
431 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
432 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
433 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
434 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
435 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
436 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
437 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
438 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
439 },
440 { /* bright */
441 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
442 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
443 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
444 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
445 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
446 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
447 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
448 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
449 }
450 };
451
452 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
453 TextAttributes *t_attrib)
454 {
455 static pixman_image_t *glyphs[256];
456 DisplaySurface *surface = qemu_console_surface(s);
457 pixman_color_t fgcol, bgcol;
458
459 if (t_attrib->invers) {
460 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
461 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
462 } else {
463 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
464 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
465 }
466
467 if (!glyphs[ch]) {
468 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
469 }
470 qemu_pixman_glyph_render(glyphs[ch], surface->image,
471 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
472 }
473
474 static void text_console_resize(QemuConsole *s)
475 {
476 TextCell *cells, *c, *c1;
477 int w1, x, y, last_width;
478
479 last_width = s->width;
480 s->width = surface_width(s->surface) / FONT_WIDTH;
481 s->height = surface_height(s->surface) / FONT_HEIGHT;
482
483 w1 = last_width;
484 if (s->width < w1)
485 w1 = s->width;
486
487 cells = g_new(TextCell, s->width * s->total_height + 1);
488 for(y = 0; y < s->total_height; y++) {
489 c = &cells[y * s->width];
490 if (w1 > 0) {
491 c1 = &s->cells[y * last_width];
492 for(x = 0; x < w1; x++) {
493 *c++ = *c1++;
494 }
495 }
496 for(x = w1; x < s->width; x++) {
497 c->ch = ' ';
498 c->t_attrib = s->t_attrib_default;
499 c++;
500 }
501 }
502 g_free(s->cells);
503 s->cells = cells;
504 }
505
506 static inline void text_update_xy(QemuConsole *s, int x, int y)
507 {
508 s->text_x[0] = MIN(s->text_x[0], x);
509 s->text_x[1] = MAX(s->text_x[1], x);
510 s->text_y[0] = MIN(s->text_y[0], y);
511 s->text_y[1] = MAX(s->text_y[1], y);
512 }
513
514 static void invalidate_xy(QemuConsole *s, int x, int y)
515 {
516 if (!qemu_console_is_visible(s)) {
517 return;
518 }
519 if (s->update_x0 > x * FONT_WIDTH)
520 s->update_x0 = x * FONT_WIDTH;
521 if (s->update_y0 > y * FONT_HEIGHT)
522 s->update_y0 = y * FONT_HEIGHT;
523 if (s->update_x1 < (x + 1) * FONT_WIDTH)
524 s->update_x1 = (x + 1) * FONT_WIDTH;
525 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
526 s->update_y1 = (y + 1) * FONT_HEIGHT;
527 }
528
529 static void update_xy(QemuConsole *s, int x, int y)
530 {
531 TextCell *c;
532 int y1, y2;
533
534 if (s->ds->have_text) {
535 text_update_xy(s, x, y);
536 }
537
538 y1 = (s->y_base + y) % s->total_height;
539 y2 = y1 - s->y_displayed;
540 if (y2 < 0) {
541 y2 += s->total_height;
542 }
543 if (y2 < s->height) {
544 if (x >= s->width) {
545 x = s->width - 1;
546 }
547 c = &s->cells[y1 * s->width + x];
548 vga_putcharxy(s, x, y2, c->ch,
549 &(c->t_attrib));
550 invalidate_xy(s, x, y2);
551 }
552 }
553
554 static void console_show_cursor(QemuConsole *s, int show)
555 {
556 TextCell *c;
557 int y, y1;
558 int x = s->x;
559
560 if (s->ds->have_text) {
561 s->cursor_invalidate = 1;
562 }
563
564 if (x >= s->width) {
565 x = s->width - 1;
566 }
567 y1 = (s->y_base + s->y) % s->total_height;
568 y = y1 - s->y_displayed;
569 if (y < 0) {
570 y += s->total_height;
571 }
572 if (y < s->height) {
573 c = &s->cells[y1 * s->width + x];
574 if (show && cursor_visible_phase) {
575 TextAttributes t_attrib = s->t_attrib_default;
576 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
577 vga_putcharxy(s, x, y, c->ch, &t_attrib);
578 } else {
579 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
580 }
581 invalidate_xy(s, x, y);
582 }
583 }
584
585 static void console_refresh(QemuConsole *s)
586 {
587 DisplaySurface *surface = qemu_console_surface(s);
588 TextCell *c;
589 int x, y, y1;
590
591 if (s->ds->have_text) {
592 s->text_x[0] = 0;
593 s->text_y[0] = 0;
594 s->text_x[1] = s->width - 1;
595 s->text_y[1] = s->height - 1;
596 s->cursor_invalidate = 1;
597 }
598
599 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
600 color_table_rgb[0][QEMU_COLOR_BLACK]);
601 y1 = s->y_displayed;
602 for (y = 0; y < s->height; y++) {
603 c = s->cells + y1 * s->width;
604 for (x = 0; x < s->width; x++) {
605 vga_putcharxy(s, x, y, c->ch,
606 &(c->t_attrib));
607 c++;
608 }
609 if (++y1 == s->total_height) {
610 y1 = 0;
611 }
612 }
613 console_show_cursor(s, 1);
614 dpy_gfx_update(s, 0, 0,
615 surface_width(surface), surface_height(surface));
616 }
617
618 static void console_scroll(QemuConsole *s, int ydelta)
619 {
620 int i, y1;
621
622 if (ydelta > 0) {
623 for(i = 0; i < ydelta; i++) {
624 if (s->y_displayed == s->y_base)
625 break;
626 if (++s->y_displayed == s->total_height)
627 s->y_displayed = 0;
628 }
629 } else {
630 ydelta = -ydelta;
631 i = s->backscroll_height;
632 if (i > s->total_height - s->height)
633 i = s->total_height - s->height;
634 y1 = s->y_base - i;
635 if (y1 < 0)
636 y1 += s->total_height;
637 for(i = 0; i < ydelta; i++) {
638 if (s->y_displayed == y1)
639 break;
640 if (--s->y_displayed < 0)
641 s->y_displayed = s->total_height - 1;
642 }
643 }
644 console_refresh(s);
645 }
646
647 static void console_put_lf(QemuConsole *s)
648 {
649 TextCell *c;
650 int x, y1;
651
652 s->y++;
653 if (s->y >= s->height) {
654 s->y = s->height - 1;
655
656 if (s->y_displayed == s->y_base) {
657 if (++s->y_displayed == s->total_height)
658 s->y_displayed = 0;
659 }
660 if (++s->y_base == s->total_height)
661 s->y_base = 0;
662 if (s->backscroll_height < s->total_height)
663 s->backscroll_height++;
664 y1 = (s->y_base + s->height - 1) % s->total_height;
665 c = &s->cells[y1 * s->width];
666 for(x = 0; x < s->width; x++) {
667 c->ch = ' ';
668 c->t_attrib = s->t_attrib_default;
669 c++;
670 }
671 if (s->y_displayed == s->y_base) {
672 if (s->ds->have_text) {
673 s->text_x[0] = 0;
674 s->text_y[0] = 0;
675 s->text_x[1] = s->width - 1;
676 s->text_y[1] = s->height - 1;
677 }
678
679 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
680 s->width * FONT_WIDTH,
681 (s->height - 1) * FONT_HEIGHT);
682 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
683 s->width * FONT_WIDTH, FONT_HEIGHT,
684 color_table_rgb[0][s->t_attrib_default.bgcol]);
685 s->update_x0 = 0;
686 s->update_y0 = 0;
687 s->update_x1 = s->width * FONT_WIDTH;
688 s->update_y1 = s->height * FONT_HEIGHT;
689 }
690 }
691 }
692
693 /* Set console attributes depending on the current escape codes.
694 * NOTE: I know this code is not very efficient (checking every color for it
695 * self) but it is more readable and better maintainable.
696 */
697 static void console_handle_escape(QemuConsole *s)
698 {
699 int i;
700
701 for (i=0; i<s->nb_esc_params; i++) {
702 switch (s->esc_params[i]) {
703 case 0: /* reset all console attributes to default */
704 s->t_attrib = s->t_attrib_default;
705 break;
706 case 1:
707 s->t_attrib.bold = 1;
708 break;
709 case 4:
710 s->t_attrib.uline = 1;
711 break;
712 case 5:
713 s->t_attrib.blink = 1;
714 break;
715 case 7:
716 s->t_attrib.invers = 1;
717 break;
718 case 8:
719 s->t_attrib.unvisible = 1;
720 break;
721 case 22:
722 s->t_attrib.bold = 0;
723 break;
724 case 24:
725 s->t_attrib.uline = 0;
726 break;
727 case 25:
728 s->t_attrib.blink = 0;
729 break;
730 case 27:
731 s->t_attrib.invers = 0;
732 break;
733 case 28:
734 s->t_attrib.unvisible = 0;
735 break;
736 /* set foreground color */
737 case 30:
738 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
739 break;
740 case 31:
741 s->t_attrib.fgcol = QEMU_COLOR_RED;
742 break;
743 case 32:
744 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
745 break;
746 case 33:
747 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
748 break;
749 case 34:
750 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
751 break;
752 case 35:
753 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
754 break;
755 case 36:
756 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
757 break;
758 case 37:
759 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
760 break;
761 /* set background color */
762 case 40:
763 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
764 break;
765 case 41:
766 s->t_attrib.bgcol = QEMU_COLOR_RED;
767 break;
768 case 42:
769 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
770 break;
771 case 43:
772 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
773 break;
774 case 44:
775 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
776 break;
777 case 45:
778 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
779 break;
780 case 46:
781 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
782 break;
783 case 47:
784 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
785 break;
786 }
787 }
788 }
789
790 static void console_clear_xy(QemuConsole *s, int x, int y)
791 {
792 int y1 = (s->y_base + y) % s->total_height;
793 if (x >= s->width) {
794 x = s->width - 1;
795 }
796 TextCell *c = &s->cells[y1 * s->width + x];
797 c->ch = ' ';
798 c->t_attrib = s->t_attrib_default;
799 update_xy(s, x, y);
800 }
801
802 static void console_put_one(QemuConsole *s, int ch)
803 {
804 TextCell *c;
805 int y1;
806 if (s->x >= s->width) {
807 /* line wrap */
808 s->x = 0;
809 console_put_lf(s);
810 }
811 y1 = (s->y_base + s->y) % s->total_height;
812 c = &s->cells[y1 * s->width + s->x];
813 c->ch = ch;
814 c->t_attrib = s->t_attrib;
815 update_xy(s, s->x, s->y);
816 s->x++;
817 }
818
819 static void console_respond_str(QemuConsole *s, const char *buf)
820 {
821 while (*buf) {
822 console_put_one(s, *buf);
823 buf++;
824 }
825 }
826
827 /* set cursor, checking bounds */
828 static void set_cursor(QemuConsole *s, int x, int y)
829 {
830 if (x < 0) {
831 x = 0;
832 }
833 if (y < 0) {
834 y = 0;
835 }
836 if (y >= s->height) {
837 y = s->height - 1;
838 }
839 if (x >= s->width) {
840 x = s->width - 1;
841 }
842
843 s->x = x;
844 s->y = y;
845 }
846
847 static void console_putchar(QemuConsole *s, int ch)
848 {
849 int i;
850 int x, y;
851 char response[40];
852
853 switch(s->state) {
854 case TTY_STATE_NORM:
855 switch(ch) {
856 case '\r': /* carriage return */
857 s->x = 0;
858 break;
859 case '\n': /* newline */
860 console_put_lf(s);
861 break;
862 case '\b': /* backspace */
863 if (s->x > 0)
864 s->x--;
865 break;
866 case '\t': /* tabspace */
867 if (s->x + (8 - (s->x % 8)) > s->width) {
868 s->x = 0;
869 console_put_lf(s);
870 } else {
871 s->x = s->x + (8 - (s->x % 8));
872 }
873 break;
874 case '\a': /* alert aka. bell */
875 /* TODO: has to be implemented */
876 break;
877 case 14:
878 /* SI (shift in), character set 0 (ignored) */
879 break;
880 case 15:
881 /* SO (shift out), character set 1 (ignored) */
882 break;
883 case 27: /* esc (introducing an escape sequence) */
884 s->state = TTY_STATE_ESC;
885 break;
886 default:
887 console_put_one(s, ch);
888 break;
889 }
890 break;
891 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
892 if (ch == '[') {
893 for(i=0;i<MAX_ESC_PARAMS;i++)
894 s->esc_params[i] = 0;
895 s->nb_esc_params = 0;
896 s->state = TTY_STATE_CSI;
897 } else {
898 s->state = TTY_STATE_NORM;
899 }
900 break;
901 case TTY_STATE_CSI: /* handle escape sequence parameters */
902 if (ch >= '0' && ch <= '9') {
903 if (s->nb_esc_params < MAX_ESC_PARAMS) {
904 int *param = &s->esc_params[s->nb_esc_params];
905 int digit = (ch - '0');
906
907 *param = (*param <= (INT_MAX - digit) / 10) ?
908 *param * 10 + digit : INT_MAX;
909 }
910 } else {
911 if (s->nb_esc_params < MAX_ESC_PARAMS)
912 s->nb_esc_params++;
913 if (ch == ';' || ch == '?') {
914 break;
915 }
916 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
917 ch, s->nb_esc_params);
918 s->state = TTY_STATE_NORM;
919 switch(ch) {
920 case 'A':
921 /* move cursor up */
922 if (s->esc_params[0] == 0) {
923 s->esc_params[0] = 1;
924 }
925 set_cursor(s, s->x, s->y - s->esc_params[0]);
926 break;
927 case 'B':
928 /* move cursor down */
929 if (s->esc_params[0] == 0) {
930 s->esc_params[0] = 1;
931 }
932 set_cursor(s, s->x, s->y + s->esc_params[0]);
933 break;
934 case 'C':
935 /* move cursor right */
936 if (s->esc_params[0] == 0) {
937 s->esc_params[0] = 1;
938 }
939 set_cursor(s, s->x + s->esc_params[0], s->y);
940 break;
941 case 'D':
942 /* move cursor left */
943 if (s->esc_params[0] == 0) {
944 s->esc_params[0] = 1;
945 }
946 set_cursor(s, s->x - s->esc_params[0], s->y);
947 break;
948 case 'G':
949 /* move cursor to column */
950 set_cursor(s, s->esc_params[0] - 1, s->y);
951 break;
952 case 'f':
953 case 'H':
954 /* move cursor to row, column */
955 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
956 break;
957 case 'J':
958 switch (s->esc_params[0]) {
959 case 0:
960 /* clear to end of screen */
961 for (y = s->y; y < s->height; y++) {
962 for (x = 0; x < s->width; x++) {
963 if (y == s->y && x < s->x) {
964 continue;
965 }
966 console_clear_xy(s, x, y);
967 }
968 }
969 break;
970 case 1:
971 /* clear from beginning of screen */
972 for (y = 0; y <= s->y; y++) {
973 for (x = 0; x < s->width; x++) {
974 if (y == s->y && x > s->x) {
975 break;
976 }
977 console_clear_xy(s, x, y);
978 }
979 }
980 break;
981 case 2:
982 /* clear entire screen */
983 for (y = 0; y <= s->height; y++) {
984 for (x = 0; x < s->width; x++) {
985 console_clear_xy(s, x, y);
986 }
987 }
988 break;
989 }
990 break;
991 case 'K':
992 switch (s->esc_params[0]) {
993 case 0:
994 /* clear to eol */
995 for(x = s->x; x < s->width; x++) {
996 console_clear_xy(s, x, s->y);
997 }
998 break;
999 case 1:
1000 /* clear from beginning of line */
1001 for (x = 0; x <= s->x && x < s->width; x++) {
1002 console_clear_xy(s, x, s->y);
1003 }
1004 break;
1005 case 2:
1006 /* clear entire line */
1007 for(x = 0; x < s->width; x++) {
1008 console_clear_xy(s, x, s->y);
1009 }
1010 break;
1011 }
1012 break;
1013 case 'm':
1014 console_handle_escape(s);
1015 break;
1016 case 'n':
1017 switch (s->esc_params[0]) {
1018 case 5:
1019 /* report console status (always succeed)*/
1020 console_respond_str(s, "\033[0n");
1021 break;
1022 case 6:
1023 /* report cursor position */
1024 sprintf(response, "\033[%d;%dR",
1025 (s->y_base + s->y) % s->total_height + 1,
1026 s->x + 1);
1027 console_respond_str(s, response);
1028 break;
1029 }
1030 break;
1031 case 's':
1032 /* save cursor position */
1033 s->x_saved = s->x;
1034 s->y_saved = s->y;
1035 break;
1036 case 'u':
1037 /* restore cursor position */
1038 s->x = s->x_saved;
1039 s->y = s->y_saved;
1040 break;
1041 default:
1042 trace_console_putchar_unhandled(ch);
1043 break;
1044 }
1045 break;
1046 }
1047 }
1048 }
1049
1050 void console_select(unsigned int index)
1051 {
1052 DisplayChangeListener *dcl;
1053 QemuConsole *s;
1054
1055 trace_console_select(index);
1056 s = qemu_console_lookup_by_index(index);
1057 if (s) {
1058 DisplayState *ds = s->ds;
1059
1060 active_console = s;
1061 if (ds->have_gfx) {
1062 QLIST_FOREACH(dcl, &ds->listeners, next) {
1063 if (dcl->con != NULL) {
1064 continue;
1065 }
1066 if (dcl->ops->dpy_gfx_switch) {
1067 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1068 }
1069 }
1070 if (s->surface) {
1071 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1072 surface_height(s->surface));
1073 }
1074 }
1075 if (ds->have_text) {
1076 dpy_text_resize(s, s->width, s->height);
1077 }
1078 text_console_update_cursor(NULL);
1079 }
1080 }
1081
1082 typedef struct VCChardev {
1083 Chardev parent;
1084 QemuConsole *console;
1085 } VCChardev;
1086
1087 #define TYPE_CHARDEV_VC "chardev-vc"
1088 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
1089
1090 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1091 {
1092 VCChardev *drv = VC_CHARDEV(chr);
1093 QemuConsole *s = drv->console;
1094 int i;
1095
1096 if (!s->ds) {
1097 return 0;
1098 }
1099
1100 s->update_x0 = s->width * FONT_WIDTH;
1101 s->update_y0 = s->height * FONT_HEIGHT;
1102 s->update_x1 = 0;
1103 s->update_y1 = 0;
1104 console_show_cursor(s, 0);
1105 for(i = 0; i < len; i++) {
1106 console_putchar(s, buf[i]);
1107 }
1108 console_show_cursor(s, 1);
1109 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1110 dpy_gfx_update(s, s->update_x0, s->update_y0,
1111 s->update_x1 - s->update_x0,
1112 s->update_y1 - s->update_y0);
1113 }
1114 return len;
1115 }
1116
1117 static void kbd_send_chars(void *opaque)
1118 {
1119 QemuConsole *s = opaque;
1120 int len;
1121 uint8_t buf[16];
1122
1123 len = qemu_chr_be_can_write(s->chr);
1124 if (len > s->out_fifo.count)
1125 len = s->out_fifo.count;
1126 if (len > 0) {
1127 if (len > sizeof(buf))
1128 len = sizeof(buf);
1129 qemu_fifo_read(&s->out_fifo, buf, len);
1130 qemu_chr_be_write(s->chr, buf, len);
1131 }
1132 /* characters are pending: we send them a bit later (XXX:
1133 horrible, should change char device API) */
1134 if (s->out_fifo.count > 0) {
1135 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1136 }
1137 }
1138
1139 /* called when an ascii key is pressed */
1140 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1141 {
1142 uint8_t buf[16], *q;
1143 CharBackend *be;
1144 int c;
1145
1146 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1147 return;
1148
1149 switch(keysym) {
1150 case QEMU_KEY_CTRL_UP:
1151 console_scroll(s, -1);
1152 break;
1153 case QEMU_KEY_CTRL_DOWN:
1154 console_scroll(s, 1);
1155 break;
1156 case QEMU_KEY_CTRL_PAGEUP:
1157 console_scroll(s, -10);
1158 break;
1159 case QEMU_KEY_CTRL_PAGEDOWN:
1160 console_scroll(s, 10);
1161 break;
1162 default:
1163 /* convert the QEMU keysym to VT100 key string */
1164 q = buf;
1165 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1166 *q++ = '\033';
1167 *q++ = '[';
1168 c = keysym - 0xe100;
1169 if (c >= 10)
1170 *q++ = '0' + (c / 10);
1171 *q++ = '0' + (c % 10);
1172 *q++ = '~';
1173 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1174 *q++ = '\033';
1175 *q++ = '[';
1176 *q++ = keysym & 0xff;
1177 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1178 vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
1179 *q++ = '\n';
1180 } else {
1181 *q++ = keysym;
1182 }
1183 if (s->echo) {
1184 vc_chr_write(s->chr, buf, q - buf);
1185 }
1186 be = s->chr->be;
1187 if (be && be->chr_read) {
1188 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1189 kbd_send_chars(s);
1190 }
1191 break;
1192 }
1193 }
1194
1195 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1196 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1197 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1198 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1199 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1200 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1201 [Q_KEY_CODE_END] = QEMU_KEY_END,
1202 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1203 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1204 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1205 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1206 };
1207
1208 static const int ctrl_qcode_to_keysym[Q_KEY_CODE__MAX] = {
1209 [Q_KEY_CODE_UP] = QEMU_KEY_CTRL_UP,
1210 [Q_KEY_CODE_DOWN] = QEMU_KEY_CTRL_DOWN,
1211 [Q_KEY_CODE_RIGHT] = QEMU_KEY_CTRL_RIGHT,
1212 [Q_KEY_CODE_LEFT] = QEMU_KEY_CTRL_LEFT,
1213 [Q_KEY_CODE_HOME] = QEMU_KEY_CTRL_HOME,
1214 [Q_KEY_CODE_END] = QEMU_KEY_CTRL_END,
1215 [Q_KEY_CODE_PGUP] = QEMU_KEY_CTRL_PAGEUP,
1216 [Q_KEY_CODE_PGDN] = QEMU_KEY_CTRL_PAGEDOWN,
1217 };
1218
1219 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl)
1220 {
1221 int keysym;
1222
1223 keysym = ctrl ? ctrl_qcode_to_keysym[qcode] : qcode_to_keysym[qcode];
1224 if (keysym == 0) {
1225 return false;
1226 }
1227 kbd_put_keysym_console(s, keysym);
1228 return true;
1229 }
1230
1231 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1232 {
1233 int i;
1234
1235 for (i = 0; i < len && str[i]; i++) {
1236 kbd_put_keysym_console(s, str[i]);
1237 }
1238 }
1239
1240 void kbd_put_keysym(int keysym)
1241 {
1242 kbd_put_keysym_console(active_console, keysym);
1243 }
1244
1245 static void text_console_invalidate(void *opaque)
1246 {
1247 QemuConsole *s = (QemuConsole *) opaque;
1248
1249 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1250 text_console_resize(s);
1251 }
1252 console_refresh(s);
1253 }
1254
1255 static void text_console_update(void *opaque, console_ch_t *chardata)
1256 {
1257 QemuConsole *s = (QemuConsole *) opaque;
1258 int i, j, src;
1259
1260 if (s->text_x[0] <= s->text_x[1]) {
1261 src = (s->y_base + s->text_y[0]) * s->width;
1262 chardata += s->text_y[0] * s->width;
1263 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1264 for (j = 0; j < s->width; j++, src++) {
1265 console_write_ch(chardata ++,
1266 ATTR2CHTYPE(s->cells[src].ch,
1267 s->cells[src].t_attrib.fgcol,
1268 s->cells[src].t_attrib.bgcol,
1269 s->cells[src].t_attrib.bold));
1270 }
1271 dpy_text_update(s, s->text_x[0], s->text_y[0],
1272 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1273 s->text_x[0] = s->width;
1274 s->text_y[0] = s->height;
1275 s->text_x[1] = 0;
1276 s->text_y[1] = 0;
1277 }
1278 if (s->cursor_invalidate) {
1279 dpy_text_cursor(s, s->x, s->y);
1280 s->cursor_invalidate = 0;
1281 }
1282 }
1283
1284 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1285 uint32_t head)
1286 {
1287 Object *obj;
1288 QemuConsole *s;
1289 int i;
1290
1291 obj = object_new(TYPE_QEMU_CONSOLE);
1292 s = QEMU_CONSOLE(obj);
1293 s->head = head;
1294 object_property_add_link(obj, "device", TYPE_DEVICE,
1295 (Object **)&s->device,
1296 object_property_allow_set_link,
1297 OBJ_PROP_LINK_STRONG,
1298 &error_abort);
1299 object_property_add_uint32_ptr(obj, "head",
1300 &s->head, &error_abort);
1301
1302 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1303 (console_type == GRAPHIC_CONSOLE))) {
1304 active_console = s;
1305 }
1306 s->ds = ds;
1307 s->console_type = console_type;
1308
1309 if (QTAILQ_EMPTY(&consoles)) {
1310 s->index = 0;
1311 QTAILQ_INSERT_TAIL(&consoles, s, next);
1312 } else if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) {
1313 QemuConsole *last = QTAILQ_LAST(&consoles);
1314 s->index = last->index + 1;
1315 QTAILQ_INSERT_TAIL(&consoles, s, next);
1316 } else {
1317 /*
1318 * HACK: Put graphical consoles before text consoles.
1319 *
1320 * Only do that for coldplugged devices. After initial device
1321 * initialization we will not renumber the consoles any more.
1322 */
1323 QemuConsole *c = QTAILQ_FIRST(&consoles);
1324
1325 while (QTAILQ_NEXT(c, next) != NULL &&
1326 c->console_type == GRAPHIC_CONSOLE) {
1327 c = QTAILQ_NEXT(c, next);
1328 }
1329 if (c->console_type == GRAPHIC_CONSOLE) {
1330 /* have no text consoles */
1331 s->index = c->index + 1;
1332 QTAILQ_INSERT_AFTER(&consoles, c, s, next);
1333 } else {
1334 s->index = c->index;
1335 QTAILQ_INSERT_BEFORE(c, s, next);
1336 /* renumber text consoles */
1337 for (i = s->index + 1; c != NULL; c = QTAILQ_NEXT(c, next), i++) {
1338 c->index = i;
1339 }
1340 }
1341 }
1342 return s;
1343 }
1344
1345 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1346 {
1347 qemu_pixman_image_unref(surface->image);
1348 surface->image = NULL;
1349
1350 surface->format = PIXMAN_x8r8g8b8;
1351 surface->image = pixman_image_create_bits(surface->format,
1352 width, height,
1353 NULL, width * 4);
1354 assert(surface->image != NULL);
1355
1356 surface->flags = QEMU_ALLOCATED_FLAG;
1357 }
1358
1359 DisplaySurface *qemu_create_displaysurface(int width, int height)
1360 {
1361 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1362
1363 trace_displaysurface_create(surface, width, height);
1364 qemu_alloc_display(surface, width, height);
1365 return surface;
1366 }
1367
1368 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1369 pixman_format_code_t format,
1370 int linesize, uint8_t *data)
1371 {
1372 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1373
1374 trace_displaysurface_create_from(surface, width, height, format);
1375 surface->format = format;
1376 surface->image = pixman_image_create_bits(surface->format,
1377 width, height,
1378 (void *)data, linesize);
1379 assert(surface->image != NULL);
1380
1381 return surface;
1382 }
1383
1384 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1385 {
1386 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1387
1388 trace_displaysurface_create_pixman(surface);
1389 surface->format = pixman_image_get_format(image);
1390 surface->image = pixman_image_ref(image);
1391
1392 return surface;
1393 }
1394
1395 DisplaySurface *qemu_create_message_surface(int w, int h,
1396 const char *msg)
1397 {
1398 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1399 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1400 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1401 pixman_image_t *glyph;
1402 int len, x, y, i;
1403
1404 len = strlen(msg);
1405 x = (w / FONT_WIDTH - len) / 2;
1406 y = (h / FONT_HEIGHT - 1) / 2;
1407 for (i = 0; i < len; i++) {
1408 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1409 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1410 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1411 qemu_pixman_image_unref(glyph);
1412 }
1413 return surface;
1414 }
1415
1416 void qemu_free_displaysurface(DisplaySurface *surface)
1417 {
1418 if (surface == NULL) {
1419 return;
1420 }
1421 trace_displaysurface_free(surface);
1422 qemu_pixman_image_unref(surface->image);
1423 g_free(surface);
1424 }
1425
1426 bool console_has_gl(QemuConsole *con)
1427 {
1428 return con->gl != NULL;
1429 }
1430
1431 bool console_has_gl_dmabuf(QemuConsole *con)
1432 {
1433 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL;
1434 }
1435
1436 void register_displaychangelistener(DisplayChangeListener *dcl)
1437 {
1438 static const char nodev[] =
1439 "This VM has no graphic display device.";
1440 static DisplaySurface *dummy;
1441 QemuConsole *con;
1442
1443 assert(!dcl->ds);
1444
1445 if (dcl->ops->dpy_gl_ctx_create) {
1446 /* display has opengl support */
1447 assert(dcl->con);
1448 if (dcl->con->gl) {
1449 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1450 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1451 exit(1);
1452 }
1453 dcl->con->gl = dcl;
1454 }
1455
1456 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1457 dcl->ds = get_alloc_displaystate();
1458 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1459 gui_setup_refresh(dcl->ds);
1460 if (dcl->con) {
1461 dcl->con->dcls++;
1462 con = dcl->con;
1463 } else {
1464 con = active_console;
1465 }
1466 if (dcl->ops->dpy_gfx_switch) {
1467 if (con) {
1468 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1469 } else {
1470 if (!dummy) {
1471 dummy = qemu_create_message_surface(640, 480, nodev);
1472 }
1473 dcl->ops->dpy_gfx_switch(dcl, dummy);
1474 }
1475 }
1476 text_console_update_cursor(NULL);
1477 }
1478
1479 void update_displaychangelistener(DisplayChangeListener *dcl,
1480 uint64_t interval)
1481 {
1482 DisplayState *ds = dcl->ds;
1483
1484 dcl->update_interval = interval;
1485 if (!ds->refreshing && ds->update_interval > interval) {
1486 timer_mod(ds->gui_timer, ds->last_update + interval);
1487 }
1488 }
1489
1490 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1491 {
1492 DisplayState *ds = dcl->ds;
1493 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1494 if (dcl->con) {
1495 dcl->con->dcls--;
1496 }
1497 QLIST_REMOVE(dcl, next);
1498 dcl->ds = NULL;
1499 gui_setup_refresh(ds);
1500 }
1501
1502 static void dpy_set_ui_info_timer(void *opaque)
1503 {
1504 QemuConsole *con = opaque;
1505
1506 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1507 }
1508
1509 bool dpy_ui_info_supported(QemuConsole *con)
1510 {
1511 return con->hw_ops->ui_info != NULL;
1512 }
1513
1514 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1515 {
1516 assert(con != NULL);
1517
1518 if (!dpy_ui_info_supported(con)) {
1519 return -1;
1520 }
1521 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1522 /* nothing changed -- ignore */
1523 return 0;
1524 }
1525
1526 /*
1527 * Typically we get a flood of these as the user resizes the window.
1528 * Wait until the dust has settled (one second without updates), then
1529 * go notify the guest.
1530 */
1531 con->ui_info = *info;
1532 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1533 return 0;
1534 }
1535
1536 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1537 {
1538 DisplayState *s = con->ds;
1539 DisplayChangeListener *dcl;
1540 int width = w;
1541 int height = h;
1542
1543 if (con->surface) {
1544 width = surface_width(con->surface);
1545 height = surface_height(con->surface);
1546 }
1547 x = MAX(x, 0);
1548 y = MAX(y, 0);
1549 x = MIN(x, width);
1550 y = MIN(y, height);
1551 w = MIN(w, width - x);
1552 h = MIN(h, height - y);
1553
1554 if (!qemu_console_is_visible(con)) {
1555 return;
1556 }
1557 QLIST_FOREACH(dcl, &s->listeners, next) {
1558 if (con != (dcl->con ? dcl->con : active_console)) {
1559 continue;
1560 }
1561 if (dcl->ops->dpy_gfx_update) {
1562 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1563 }
1564 }
1565 }
1566
1567 void dpy_gfx_update_full(QemuConsole *con)
1568 {
1569 if (!con->surface) {
1570 return;
1571 }
1572 dpy_gfx_update(con, 0, 0,
1573 surface_width(con->surface),
1574 surface_height(con->surface));
1575 }
1576
1577 void dpy_gfx_replace_surface(QemuConsole *con,
1578 DisplaySurface *surface)
1579 {
1580 DisplayState *s = con->ds;
1581 DisplaySurface *old_surface = con->surface;
1582 DisplayChangeListener *dcl;
1583
1584 assert(old_surface != surface || surface == NULL);
1585
1586 con->surface = surface;
1587 QLIST_FOREACH(dcl, &s->listeners, next) {
1588 if (con != (dcl->con ? dcl->con : active_console)) {
1589 continue;
1590 }
1591 if (dcl->ops->dpy_gfx_switch) {
1592 dcl->ops->dpy_gfx_switch(dcl, surface);
1593 }
1594 }
1595 qemu_free_displaysurface(old_surface);
1596 }
1597
1598 bool dpy_gfx_check_format(QemuConsole *con,
1599 pixman_format_code_t format)
1600 {
1601 DisplayChangeListener *dcl;
1602 DisplayState *s = con->ds;
1603
1604 QLIST_FOREACH(dcl, &s->listeners, next) {
1605 if (dcl->con && dcl->con != con) {
1606 /* dcl bound to another console -> skip */
1607 continue;
1608 }
1609 if (dcl->ops->dpy_gfx_check_format) {
1610 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1611 return false;
1612 }
1613 } else {
1614 /* default is to whitelist native 32 bpp only */
1615 if (format != qemu_default_pixman_format(32, true)) {
1616 return false;
1617 }
1618 }
1619 }
1620 return true;
1621 }
1622
1623 static void dpy_refresh(DisplayState *s)
1624 {
1625 DisplayChangeListener *dcl;
1626
1627 QLIST_FOREACH(dcl, &s->listeners, next) {
1628 if (dcl->ops->dpy_refresh) {
1629 dcl->ops->dpy_refresh(dcl);
1630 }
1631 }
1632 }
1633
1634 void dpy_text_cursor(QemuConsole *con, int x, int y)
1635 {
1636 DisplayState *s = con->ds;
1637 DisplayChangeListener *dcl;
1638
1639 if (!qemu_console_is_visible(con)) {
1640 return;
1641 }
1642 QLIST_FOREACH(dcl, &s->listeners, next) {
1643 if (con != (dcl->con ? dcl->con : active_console)) {
1644 continue;
1645 }
1646 if (dcl->ops->dpy_text_cursor) {
1647 dcl->ops->dpy_text_cursor(dcl, x, y);
1648 }
1649 }
1650 }
1651
1652 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1653 {
1654 DisplayState *s = con->ds;
1655 DisplayChangeListener *dcl;
1656
1657 if (!qemu_console_is_visible(con)) {
1658 return;
1659 }
1660 QLIST_FOREACH(dcl, &s->listeners, next) {
1661 if (con != (dcl->con ? dcl->con : active_console)) {
1662 continue;
1663 }
1664 if (dcl->ops->dpy_text_update) {
1665 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1666 }
1667 }
1668 }
1669
1670 void dpy_text_resize(QemuConsole *con, int w, int h)
1671 {
1672 DisplayState *s = con->ds;
1673 DisplayChangeListener *dcl;
1674
1675 if (!qemu_console_is_visible(con)) {
1676 return;
1677 }
1678 QLIST_FOREACH(dcl, &s->listeners, next) {
1679 if (con != (dcl->con ? dcl->con : active_console)) {
1680 continue;
1681 }
1682 if (dcl->ops->dpy_text_resize) {
1683 dcl->ops->dpy_text_resize(dcl, w, h);
1684 }
1685 }
1686 }
1687
1688 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1689 {
1690 DisplayState *s = con->ds;
1691 DisplayChangeListener *dcl;
1692
1693 if (!qemu_console_is_visible(con)) {
1694 return;
1695 }
1696 QLIST_FOREACH(dcl, &s->listeners, next) {
1697 if (con != (dcl->con ? dcl->con : active_console)) {
1698 continue;
1699 }
1700 if (dcl->ops->dpy_mouse_set) {
1701 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1702 }
1703 }
1704 }
1705
1706 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1707 {
1708 DisplayState *s = con->ds;
1709 DisplayChangeListener *dcl;
1710
1711 if (!qemu_console_is_visible(con)) {
1712 return;
1713 }
1714 QLIST_FOREACH(dcl, &s->listeners, next) {
1715 if (con != (dcl->con ? dcl->con : active_console)) {
1716 continue;
1717 }
1718 if (dcl->ops->dpy_cursor_define) {
1719 dcl->ops->dpy_cursor_define(dcl, cursor);
1720 }
1721 }
1722 }
1723
1724 bool dpy_cursor_define_supported(QemuConsole *con)
1725 {
1726 DisplayState *s = con->ds;
1727 DisplayChangeListener *dcl;
1728
1729 QLIST_FOREACH(dcl, &s->listeners, next) {
1730 if (dcl->ops->dpy_cursor_define) {
1731 return true;
1732 }
1733 }
1734 return false;
1735 }
1736
1737 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1738 struct QEMUGLParams *qparams)
1739 {
1740 assert(con->gl);
1741 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1742 }
1743
1744 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1745 {
1746 assert(con->gl);
1747 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1748 }
1749
1750 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1751 {
1752 assert(con->gl);
1753 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1754 }
1755
1756 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1757 {
1758 assert(con->gl);
1759 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1760 }
1761
1762 void dpy_gl_scanout_disable(QemuConsole *con)
1763 {
1764 assert(con->gl);
1765 if (con->gl->ops->dpy_gl_scanout_disable) {
1766 con->gl->ops->dpy_gl_scanout_disable(con->gl);
1767 } else {
1768 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0,
1769 0, 0, 0, 0);
1770 }
1771 }
1772
1773 void dpy_gl_scanout_texture(QemuConsole *con,
1774 uint32_t backing_id,
1775 bool backing_y_0_top,
1776 uint32_t backing_width,
1777 uint32_t backing_height,
1778 uint32_t x, uint32_t y,
1779 uint32_t width, uint32_t height)
1780 {
1781 assert(con->gl);
1782 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id,
1783 backing_y_0_top,
1784 backing_width, backing_height,
1785 x, y, width, height);
1786 }
1787
1788 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1789 QemuDmaBuf *dmabuf)
1790 {
1791 assert(con->gl);
1792 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf);
1793 }
1794
1795 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
1796 bool have_hot, uint32_t hot_x, uint32_t hot_y)
1797 {
1798 assert(con->gl);
1799
1800 if (con->gl->ops->dpy_gl_cursor_dmabuf) {
1801 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf,
1802 have_hot, hot_x, hot_y);
1803 }
1804 }
1805
1806 void dpy_gl_cursor_position(QemuConsole *con,
1807 uint32_t pos_x, uint32_t pos_y)
1808 {
1809 assert(con->gl);
1810
1811 if (con->gl->ops->dpy_gl_cursor_position) {
1812 con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y);
1813 }
1814 }
1815
1816 void dpy_gl_release_dmabuf(QemuConsole *con,
1817 QemuDmaBuf *dmabuf)
1818 {
1819 assert(con->gl);
1820
1821 if (con->gl->ops->dpy_gl_release_dmabuf) {
1822 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf);
1823 }
1824 }
1825
1826 void dpy_gl_update(QemuConsole *con,
1827 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1828 {
1829 assert(con->gl);
1830 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1831 }
1832
1833 /***********************************************************/
1834 /* register display */
1835
1836 /* console.c internal use only */
1837 static DisplayState *get_alloc_displaystate(void)
1838 {
1839 if (!display_state) {
1840 display_state = g_new0(DisplayState, 1);
1841 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1842 text_console_update_cursor, NULL);
1843 }
1844 return display_state;
1845 }
1846
1847 /*
1848 * Called by main(), after creating QemuConsoles
1849 * and before initializing ui (sdl/vnc/...).
1850 */
1851 DisplayState *init_displaystate(void)
1852 {
1853 gchar *name;
1854 QemuConsole *con;
1855
1856 get_alloc_displaystate();
1857 QTAILQ_FOREACH(con, &consoles, next) {
1858 if (con->console_type != GRAPHIC_CONSOLE &&
1859 con->ds == NULL) {
1860 text_console_do_init(con->chr, display_state);
1861 }
1862
1863 /* Hook up into the qom tree here (not in new_console()), once
1864 * all QemuConsoles are created and the order / numbering
1865 * doesn't change any more */
1866 name = g_strdup_printf("console[%d]", con->index);
1867 object_property_add_child(container_get(object_get_root(), "/backend"),
1868 name, OBJECT(con), &error_abort);
1869 g_free(name);
1870 }
1871
1872 return display_state;
1873 }
1874
1875 void graphic_console_set_hwops(QemuConsole *con,
1876 const GraphicHwOps *hw_ops,
1877 void *opaque)
1878 {
1879 con->hw_ops = hw_ops;
1880 con->hw = opaque;
1881 }
1882
1883 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1884 const GraphicHwOps *hw_ops,
1885 void *opaque)
1886 {
1887 static const char noinit[] =
1888 "Guest has not initialized the display (yet).";
1889 int width = 640;
1890 int height = 480;
1891 QemuConsole *s;
1892 DisplayState *ds;
1893 DisplaySurface *surface;
1894
1895 ds = get_alloc_displaystate();
1896 s = qemu_console_lookup_unused();
1897 if (s) {
1898 trace_console_gfx_reuse(s->index);
1899 if (s->surface) {
1900 width = surface_width(s->surface);
1901 height = surface_height(s->surface);
1902 }
1903 } else {
1904 trace_console_gfx_new();
1905 s = new_console(ds, GRAPHIC_CONSOLE, head);
1906 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1907 dpy_set_ui_info_timer, s);
1908 }
1909 graphic_console_set_hwops(s, hw_ops, opaque);
1910 if (dev) {
1911 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1912 &error_abort);
1913 }
1914
1915 surface = qemu_create_message_surface(width, height, noinit);
1916 dpy_gfx_replace_surface(s, surface);
1917 return s;
1918 }
1919
1920 static const GraphicHwOps unused_ops = {
1921 /* no callbacks */
1922 };
1923
1924 void graphic_console_close(QemuConsole *con)
1925 {
1926 static const char unplugged[] =
1927 "Guest display has been unplugged";
1928 DisplaySurface *surface;
1929 int width = 640;
1930 int height = 480;
1931
1932 if (con->surface) {
1933 width = surface_width(con->surface);
1934 height = surface_height(con->surface);
1935 }
1936
1937 trace_console_gfx_close(con->index);
1938 object_property_set_link(OBJECT(con), NULL, "device", &error_abort);
1939 graphic_console_set_hwops(con, &unused_ops, NULL);
1940
1941 if (con->gl) {
1942 dpy_gl_scanout_disable(con);
1943 }
1944 surface = qemu_create_message_surface(width, height, unplugged);
1945 dpy_gfx_replace_surface(con, surface);
1946 }
1947
1948 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1949 {
1950 QemuConsole *con;
1951
1952 QTAILQ_FOREACH(con, &consoles, next) {
1953 if (con->index == index) {
1954 return con;
1955 }
1956 }
1957 return NULL;
1958 }
1959
1960 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1961 {
1962 QemuConsole *con;
1963 Object *obj;
1964 uint32_t h;
1965
1966 QTAILQ_FOREACH(con, &consoles, next) {
1967 obj = object_property_get_link(OBJECT(con),
1968 "device", &error_abort);
1969 if (DEVICE(obj) != dev) {
1970 continue;
1971 }
1972 h = object_property_get_uint(OBJECT(con),
1973 "head", &error_abort);
1974 if (h != head) {
1975 continue;
1976 }
1977 return con;
1978 }
1979 return NULL;
1980 }
1981
1982 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
1983 uint32_t head, Error **errp)
1984 {
1985 DeviceState *dev;
1986 QemuConsole *con;
1987
1988 dev = qdev_find_recursive(sysbus_get_default(), device_id);
1989 if (dev == NULL) {
1990 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
1991 "Device '%s' not found", device_id);
1992 return NULL;
1993 }
1994
1995 con = qemu_console_lookup_by_device(dev, head);
1996 if (con == NULL) {
1997 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
1998 device_id, head);
1999 return NULL;
2000 }
2001
2002 return con;
2003 }
2004
2005 QemuConsole *qemu_console_lookup_unused(void)
2006 {
2007 QemuConsole *con;
2008 Object *obj;
2009
2010 QTAILQ_FOREACH(con, &consoles, next) {
2011 if (con->hw_ops != &unused_ops) {
2012 continue;
2013 }
2014 obj = object_property_get_link(OBJECT(con),
2015 "device", &error_abort);
2016 if (obj != NULL) {
2017 continue;
2018 }
2019 return con;
2020 }
2021 return NULL;
2022 }
2023
2024 bool qemu_console_is_visible(QemuConsole *con)
2025 {
2026 return (con == active_console) || (con->dcls > 0);
2027 }
2028
2029 bool qemu_console_is_graphic(QemuConsole *con)
2030 {
2031 if (con == NULL) {
2032 con = active_console;
2033 }
2034 return con && (con->console_type == GRAPHIC_CONSOLE);
2035 }
2036
2037 bool qemu_console_is_fixedsize(QemuConsole *con)
2038 {
2039 if (con == NULL) {
2040 con = active_console;
2041 }
2042 return con && (con->console_type != TEXT_CONSOLE);
2043 }
2044
2045 bool qemu_console_is_gl_blocked(QemuConsole *con)
2046 {
2047 assert(con != NULL);
2048 return con->gl_block;
2049 }
2050
2051 char *qemu_console_get_label(QemuConsole *con)
2052 {
2053 if (con->console_type == GRAPHIC_CONSOLE) {
2054 if (con->device) {
2055 return g_strdup(object_get_typename(con->device));
2056 }
2057 return g_strdup("VGA");
2058 } else {
2059 if (con->chr && con->chr->label) {
2060 return g_strdup(con->chr->label);
2061 }
2062 return g_strdup_printf("vc%d", con->index);
2063 }
2064 }
2065
2066 int qemu_console_get_index(QemuConsole *con)
2067 {
2068 if (con == NULL) {
2069 con = active_console;
2070 }
2071 return con ? con->index : -1;
2072 }
2073
2074 uint32_t qemu_console_get_head(QemuConsole *con)
2075 {
2076 if (con == NULL) {
2077 con = active_console;
2078 }
2079 return con ? con->head : -1;
2080 }
2081
2082 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
2083 {
2084 assert(con != NULL);
2085 return &con->ui_info;
2086 }
2087
2088 int qemu_console_get_width(QemuConsole *con, int fallback)
2089 {
2090 if (con == NULL) {
2091 con = active_console;
2092 }
2093 return con ? surface_width(con->surface) : fallback;
2094 }
2095
2096 int qemu_console_get_height(QemuConsole *con, int fallback)
2097 {
2098 if (con == NULL) {
2099 con = active_console;
2100 }
2101 return con ? surface_height(con->surface) : fallback;
2102 }
2103
2104 static void vc_chr_set_echo(Chardev *chr, bool echo)
2105 {
2106 VCChardev *drv = VC_CHARDEV(chr);
2107 QemuConsole *s = drv->console;
2108
2109 s->echo = echo;
2110 }
2111
2112 static void text_console_update_cursor_timer(void)
2113 {
2114 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
2115 + CONSOLE_CURSOR_PERIOD / 2);
2116 }
2117
2118 static void text_console_update_cursor(void *opaque)
2119 {
2120 QemuConsole *s;
2121 int count = 0;
2122
2123 cursor_visible_phase = !cursor_visible_phase;
2124
2125 QTAILQ_FOREACH(s, &consoles, next) {
2126 if (qemu_console_is_graphic(s) ||
2127 !qemu_console_is_visible(s)) {
2128 continue;
2129 }
2130 count++;
2131 graphic_hw_invalidate(s);
2132 }
2133
2134 if (count) {
2135 text_console_update_cursor_timer();
2136 }
2137 }
2138
2139 static const GraphicHwOps text_console_ops = {
2140 .invalidate = text_console_invalidate,
2141 .text_update = text_console_update,
2142 };
2143
2144 static void text_console_do_init(Chardev *chr, DisplayState *ds)
2145 {
2146 VCChardev *drv = VC_CHARDEV(chr);
2147 QemuConsole *s = drv->console;
2148 int g_width = 80 * FONT_WIDTH;
2149 int g_height = 24 * FONT_HEIGHT;
2150
2151 s->out_fifo.buf = s->out_fifo_buf;
2152 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
2153 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
2154 s->ds = ds;
2155
2156 s->y_displayed = 0;
2157 s->y_base = 0;
2158 s->total_height = DEFAULT_BACKSCROLL;
2159 s->x = 0;
2160 s->y = 0;
2161 if (!s->surface) {
2162 if (active_console && active_console->surface) {
2163 g_width = surface_width(active_console->surface);
2164 g_height = surface_height(active_console->surface);
2165 }
2166 s->surface = qemu_create_displaysurface(g_width, g_height);
2167 }
2168
2169 s->hw_ops = &text_console_ops;
2170 s->hw = s;
2171
2172 /* Set text attribute defaults */
2173 s->t_attrib_default.bold = 0;
2174 s->t_attrib_default.uline = 0;
2175 s->t_attrib_default.blink = 0;
2176 s->t_attrib_default.invers = 0;
2177 s->t_attrib_default.unvisible = 0;
2178 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2179 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2180 /* set current text attributes to default */
2181 s->t_attrib = s->t_attrib_default;
2182 text_console_resize(s);
2183
2184 if (chr->label) {
2185 char msg[128];
2186 int len;
2187
2188 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2189 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
2190 vc_chr_write(chr, (uint8_t *)msg, len);
2191 s->t_attrib = s->t_attrib_default;
2192 }
2193
2194 qemu_chr_be_event(chr, CHR_EVENT_OPENED);
2195 }
2196
2197 static void vc_chr_open(Chardev *chr,
2198 ChardevBackend *backend,
2199 bool *be_opened,
2200 Error **errp)
2201 {
2202 ChardevVC *vc = backend->u.vc.data;
2203 VCChardev *drv = VC_CHARDEV(chr);
2204 QemuConsole *s;
2205 unsigned width = 0;
2206 unsigned height = 0;
2207
2208 if (vc->has_width) {
2209 width = vc->width;
2210 } else if (vc->has_cols) {
2211 width = vc->cols * FONT_WIDTH;
2212 }
2213
2214 if (vc->has_height) {
2215 height = vc->height;
2216 } else if (vc->has_rows) {
2217 height = vc->rows * FONT_HEIGHT;
2218 }
2219
2220 trace_console_txt_new(width, height);
2221 if (width == 0 || height == 0) {
2222 s = new_console(NULL, TEXT_CONSOLE, 0);
2223 } else {
2224 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2225 s->surface = qemu_create_displaysurface(width, height);
2226 }
2227
2228 if (!s) {
2229 error_setg(errp, "cannot create text console");
2230 return;
2231 }
2232
2233 s->chr = chr;
2234 drv->console = s;
2235
2236 if (display_state) {
2237 text_console_do_init(chr, display_state);
2238 }
2239
2240 /* console/chardev init sometimes completes elsewhere in a 2nd
2241 * stage, so defer OPENED events until they are fully initialized
2242 */
2243 *be_opened = false;
2244 }
2245
2246 void qemu_console_resize(QemuConsole *s, int width, int height)
2247 {
2248 DisplaySurface *surface;
2249
2250 assert(s->console_type == GRAPHIC_CONSOLE);
2251
2252 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) &&
2253 pixman_image_get_width(s->surface->image) == width &&
2254 pixman_image_get_height(s->surface->image) == height) {
2255 return;
2256 }
2257
2258 surface = qemu_create_displaysurface(width, height);
2259 dpy_gfx_replace_surface(s, surface);
2260 }
2261
2262 DisplaySurface *qemu_console_surface(QemuConsole *console)
2263 {
2264 return console->surface;
2265 }
2266
2267 PixelFormat qemu_default_pixelformat(int bpp)
2268 {
2269 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2270 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2271 return pf;
2272 }
2273
2274 static QemuDisplay *dpys[DISPLAY_TYPE__MAX];
2275
2276 void qemu_display_register(QemuDisplay *ui)
2277 {
2278 assert(ui->type < DISPLAY_TYPE__MAX);
2279 dpys[ui->type] = ui;
2280 }
2281
2282 bool qemu_display_find_default(DisplayOptions *opts)
2283 {
2284 static DisplayType prio[] = {
2285 DISPLAY_TYPE_GTK,
2286 DISPLAY_TYPE_SDL,
2287 DISPLAY_TYPE_COCOA
2288 };
2289 int i;
2290
2291 for (i = 0; i < ARRAY_SIZE(prio); i++) {
2292 if (dpys[prio[i]] == NULL) {
2293 ui_module_load_one(DisplayType_str(prio[i]));
2294 }
2295 if (dpys[prio[i]] == NULL) {
2296 continue;
2297 }
2298 opts->type = prio[i];
2299 return true;
2300 }
2301 return false;
2302 }
2303
2304 void qemu_display_early_init(DisplayOptions *opts)
2305 {
2306 assert(opts->type < DISPLAY_TYPE__MAX);
2307 if (opts->type == DISPLAY_TYPE_NONE) {
2308 return;
2309 }
2310 if (dpys[opts->type] == NULL) {
2311 ui_module_load_one(DisplayType_str(opts->type));
2312 }
2313 if (dpys[opts->type] == NULL) {
2314 error_report("Display '%s' is not available.",
2315 DisplayType_str(opts->type));
2316 exit(1);
2317 }
2318 if (dpys[opts->type]->early_init) {
2319 dpys[opts->type]->early_init(opts);
2320 }
2321 }
2322
2323 void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
2324 {
2325 assert(opts->type < DISPLAY_TYPE__MAX);
2326 if (opts->type == DISPLAY_TYPE_NONE) {
2327 return;
2328 }
2329 assert(dpys[opts->type] != NULL);
2330 dpys[opts->type]->init(ds, opts);
2331 }
2332
2333 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
2334 {
2335 int val;
2336 ChardevVC *vc;
2337
2338 backend->type = CHARDEV_BACKEND_KIND_VC;
2339 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2340 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2341
2342 val = qemu_opt_get_number(opts, "width", 0);
2343 if (val != 0) {
2344 vc->has_width = true;
2345 vc->width = val;
2346 }
2347
2348 val = qemu_opt_get_number(opts, "height", 0);
2349 if (val != 0) {
2350 vc->has_height = true;
2351 vc->height = val;
2352 }
2353
2354 val = qemu_opt_get_number(opts, "cols", 0);
2355 if (val != 0) {
2356 vc->has_cols = true;
2357 vc->cols = val;
2358 }
2359
2360 val = qemu_opt_get_number(opts, "rows", 0);
2361 if (val != 0) {
2362 vc->has_rows = true;
2363 vc->rows = val;
2364 }
2365 }
2366
2367 static const TypeInfo qemu_console_info = {
2368 .name = TYPE_QEMU_CONSOLE,
2369 .parent = TYPE_OBJECT,
2370 .instance_size = sizeof(QemuConsole),
2371 .class_size = sizeof(QemuConsoleClass),
2372 };
2373
2374 static void char_vc_class_init(ObjectClass *oc, void *data)
2375 {
2376 ChardevClass *cc = CHARDEV_CLASS(oc);
2377
2378 cc->parse = qemu_chr_parse_vc;
2379 cc->open = vc_chr_open;
2380 cc->chr_write = vc_chr_write;
2381 cc->chr_set_echo = vc_chr_set_echo;
2382 }
2383
2384 static const TypeInfo char_vc_type_info = {
2385 .name = TYPE_CHARDEV_VC,
2386 .parent = TYPE_CHARDEV,
2387 .instance_size = sizeof(VCChardev),
2388 .class_init = char_vc_class_init,
2389 };
2390
2391 void qemu_console_early_init(void)
2392 {
2393 /* set the default vc driver */
2394 if (!object_class_by_name(TYPE_CHARDEV_VC)) {
2395 type_register(&char_vc_type_info);
2396 }
2397 }
2398
2399 static void register_types(void)
2400 {
2401 type_register_static(&qemu_console_info);
2402 }
2403
2404 type_init(register_types);
AR7 emulation for QEMU