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qemu-img: Use only string options in img_open_opts
[qemu.git] / ui / console.c
blob945f05d7289766a066fbe2f6544f1c640d2a189f
1 /*
2 * QEMU graphical console
3 *
4 * Copyright (c) 2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "ui/console.h"
27 #include "hw/qdev-core.h"
28 #include "qapi/error.h"
29 #include "qapi/qapi-commands-ui.h"
30 #include "qemu/option.h"
31 #include "qemu/timer.h"
32 #include "chardev/char-fe.h"
33 #include "trace.h"
34 #include "exec/memory.h"
35
36 #define DEFAULT_BACKSCROLL 512
37 #define CONSOLE_CURSOR_PERIOD 500
38
39 typedef struct TextAttributes {
40 uint8_t fgcol:4;
41 uint8_t bgcol:4;
42 uint8_t bold:1;
43 uint8_t uline:1;
44 uint8_t blink:1;
45 uint8_t invers:1;
46 uint8_t unvisible:1;
47 } TextAttributes;
48
49 typedef struct TextCell {
50 uint8_t ch;
51 TextAttributes t_attrib;
52 } TextCell;
53
54 #define MAX_ESC_PARAMS 3
55
56 enum TTYState {
57 TTY_STATE_NORM,
58 TTY_STATE_ESC,
59 TTY_STATE_CSI,
60 };
61
62 typedef struct QEMUFIFO {
63 uint8_t *buf;
64 int buf_size;
65 int count, wptr, rptr;
66 } QEMUFIFO;
67
68 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
69 {
70 int l, len;
71
72 l = f->buf_size - f->count;
73 if (len1 > l)
74 len1 = l;
75 len = len1;
76 while (len > 0) {
77 l = f->buf_size - f->wptr;
78 if (l > len)
79 l = len;
80 memcpy(f->buf + f->wptr, buf, l);
81 f->wptr += l;
82 if (f->wptr >= f->buf_size)
83 f->wptr = 0;
84 buf += l;
85 len -= l;
86 }
87 f->count += len1;
88 return len1;
89 }
90
91 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
92 {
93 int l, len;
94
95 if (len1 > f->count)
96 len1 = f->count;
97 len = len1;
98 while (len > 0) {
99 l = f->buf_size - f->rptr;
100 if (l > len)
101 l = len;
102 memcpy(buf, f->buf + f->rptr, l);
103 f->rptr += l;
104 if (f->rptr >= f->buf_size)
105 f->rptr = 0;
106 buf += l;
107 len -= l;
108 }
109 f->count -= len1;
110 return len1;
111 }
112
113 typedef enum {
114 GRAPHIC_CONSOLE,
115 TEXT_CONSOLE,
116 TEXT_CONSOLE_FIXED_SIZE
117 } console_type_t;
118
119 struct QemuConsole {
120 Object parent;
121
122 int index;
123 console_type_t console_type;
124 DisplayState *ds;
125 DisplaySurface *surface;
126 int dcls;
127 DisplayChangeListener *gl;
128 bool gl_block;
129 int window_id;
130
131 /* Graphic console state. */
132 Object *device;
133 uint32_t head;
134 QemuUIInfo ui_info;
135 QEMUTimer *ui_timer;
136 const GraphicHwOps *hw_ops;
137 void *hw;
138
139 /* Text console state */
140 int width;
141 int height;
142 int total_height;
143 int backscroll_height;
144 int x, y;
145 int x_saved, y_saved;
146 int y_displayed;
147 int y_base;
148 TextAttributes t_attrib_default; /* default text attributes */
149 TextAttributes t_attrib; /* currently active text attributes */
150 TextCell *cells;
151 int text_x[2], text_y[2], cursor_invalidate;
152 int echo;
153
154 int update_x0;
155 int update_y0;
156 int update_x1;
157 int update_y1;
158
159 enum TTYState state;
160 int esc_params[MAX_ESC_PARAMS];
161 int nb_esc_params;
162
163 Chardev *chr;
164 /* fifo for key pressed */
165 QEMUFIFO out_fifo;
166 uint8_t out_fifo_buf[16];
167 QEMUTimer *kbd_timer;
168
169 QTAILQ_ENTRY(QemuConsole) next;
170 };
171
172 struct DisplayState {
173 QEMUTimer *gui_timer;
174 uint64_t last_update;
175 uint64_t update_interval;
176 bool refreshing;
177 bool have_gfx;
178 bool have_text;
179
180 QLIST_HEAD(, DisplayChangeListener) listeners;
181 };
182
183 static DisplayState *display_state;
184 static QemuConsole *active_console;
185 static QTAILQ_HEAD(consoles_head, QemuConsole) consoles =
186 QTAILQ_HEAD_INITIALIZER(consoles);
187 static bool cursor_visible_phase;
188 static QEMUTimer *cursor_timer;
189
190 static void text_console_do_init(Chardev *chr, DisplayState *ds);
191 static void dpy_refresh(DisplayState *s);
192 static DisplayState *get_alloc_displaystate(void);
193 static void text_console_update_cursor_timer(void);
194 static void text_console_update_cursor(void *opaque);
195
196 static void gui_update(void *opaque)
197 {
198 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
199 uint64_t dcl_interval;
200 DisplayState *ds = opaque;
201 DisplayChangeListener *dcl;
202 QemuConsole *con;
203
204 ds->refreshing = true;
205 dpy_refresh(ds);
206 ds->refreshing = false;
207
208 QLIST_FOREACH(dcl, &ds->listeners, next) {
209 dcl_interval = dcl->update_interval ?
210 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
211 if (interval > dcl_interval) {
212 interval = dcl_interval;
213 }
214 }
215 if (ds->update_interval != interval) {
216 ds->update_interval = interval;
217 QTAILQ_FOREACH(con, &consoles, next) {
218 if (con->hw_ops->update_interval) {
219 con->hw_ops->update_interval(con->hw, interval);
220 }
221 }
222 trace_console_refresh(interval);
223 }
224 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
225 timer_mod(ds->gui_timer, ds->last_update + interval);
226 }
227
228 static void gui_setup_refresh(DisplayState *ds)
229 {
230 DisplayChangeListener *dcl;
231 bool need_timer = false;
232 bool have_gfx = false;
233 bool have_text = false;
234
235 QLIST_FOREACH(dcl, &ds->listeners, next) {
236 if (dcl->ops->dpy_refresh != NULL) {
237 need_timer = true;
238 }
239 if (dcl->ops->dpy_gfx_update != NULL) {
240 have_gfx = true;
241 }
242 if (dcl->ops->dpy_text_update != NULL) {
243 have_text = true;
244 }
245 }
246
247 if (need_timer && ds->gui_timer == NULL) {
248 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
249 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
250 }
251 if (!need_timer && ds->gui_timer != NULL) {
252 timer_del(ds->gui_timer);
253 timer_free(ds->gui_timer);
254 ds->gui_timer = NULL;
255 }
256
257 ds->have_gfx = have_gfx;
258 ds->have_text = have_text;
259 }
260
261 void graphic_hw_update(QemuConsole *con)
262 {
263 if (!con) {
264 con = active_console;
265 }
266 if (con && con->hw_ops->gfx_update) {
267 con->hw_ops->gfx_update(con->hw);
268 }
269 }
270
271 void graphic_hw_gl_block(QemuConsole *con, bool block)
272 {
273 assert(con != NULL);
274
275 con->gl_block = block;
276 if (con->hw_ops->gl_block) {
277 con->hw_ops->gl_block(con->hw, block);
278 }
279 }
280
281 int qemu_console_get_window_id(QemuConsole *con)
282 {
283 return con->window_id;
284 }
285
286 void qemu_console_set_window_id(QemuConsole *con, int window_id)
287 {
288 con->window_id = window_id;
289 }
290
291 void graphic_hw_invalidate(QemuConsole *con)
292 {
293 if (!con) {
294 con = active_console;
295 }
296 if (con && con->hw_ops->invalidate) {
297 con->hw_ops->invalidate(con->hw);
298 }
299 }
300
301 static void ppm_save(const char *filename, DisplaySurface *ds,
302 Error **errp)
303 {
304 int width = pixman_image_get_width(ds->image);
305 int height = pixman_image_get_height(ds->image);
306 int fd;
307 FILE *f;
308 int y;
309 int ret;
310 pixman_image_t *linebuf;
311
312 trace_ppm_save(filename, ds);
313 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
314 if (fd == -1) {
315 error_setg(errp, "failed to open file '%s': %s", filename,
316 strerror(errno));
317 return;
318 }
319 f = fdopen(fd, "wb");
320 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
321 if (ret < 0) {
322 linebuf = NULL;
323 goto write_err;
324 }
325 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
326 for (y = 0; y < height; y++) {
327 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
328 clearerr(f);
329 ret = fwrite(pixman_image_get_data(linebuf), 1,
330 pixman_image_get_stride(linebuf), f);
331 (void)ret;
332 if (ferror(f)) {
333 goto write_err;
334 }
335 }
336
337 out:
338 qemu_pixman_image_unref(linebuf);
339 fclose(f);
340 return;
341
342 write_err:
343 error_setg(errp, "failed to write to file '%s': %s", filename,
344 strerror(errno));
345 unlink(filename);
346 goto out;
347 }
348
349 void qmp_screendump(const char *filename, bool has_device, const char *device,
350 bool has_head, int64_t head, Error **errp)
351 {
352 QemuConsole *con;
353 DisplaySurface *surface;
354
355 if (has_device) {
356 con = qemu_console_lookup_by_device_name(device, has_head ? head : 0,
357 errp);
358 if (!con) {
359 return;
360 }
361 } else {
362 if (has_head) {
363 error_setg(errp, "'head' must be specified together with 'device'");
364 return;
365 }
366 con = qemu_console_lookup_by_index(0);
367 if (!con) {
368 error_setg(errp, "There is no console to take a screendump from");
369 return;
370 }
371 }
372
373 graphic_hw_update(con);
374 surface = qemu_console_surface(con);
375 ppm_save(filename, surface, errp);
376 }
377
378 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
379 {
380 if (!con) {
381 con = active_console;
382 }
383 if (con && con->hw_ops->text_update) {
384 con->hw_ops->text_update(con->hw, chardata);
385 }
386 }
387
388 static void vga_fill_rect(QemuConsole *con,
389 int posx, int posy, int width, int height,
390 pixman_color_t color)
391 {
392 DisplaySurface *surface = qemu_console_surface(con);
393 pixman_rectangle16_t rect = {
394 .x = posx, .y = posy, .width = width, .height = height
395 };
396
397 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
398 &color, 1, &rect);
399 }
400
401 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
402 static void vga_bitblt(QemuConsole *con,
403 int xs, int ys, int xd, int yd, int w, int h)
404 {
405 DisplaySurface *surface = qemu_console_surface(con);
406
407 pixman_image_composite(PIXMAN_OP_SRC,
408 surface->image, NULL, surface->image,
409 xs, ys, 0, 0, xd, yd, w, h);
410 }
411
412 /***********************************************************/
413 /* basic char display */
414
415 #define FONT_HEIGHT 16
416 #define FONT_WIDTH 8
417
418 #include "vgafont.h"
419
420 #define QEMU_RGB(r, g, b) \
421 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
422
423 static const pixman_color_t color_table_rgb[2][8] = {
424 { /* dark */
425 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
426 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
427 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
428 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
429 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
430 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
431 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
432 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
433 },
434 { /* bright */
435 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
436 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
437 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
438 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
439 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
440 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
441 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
442 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
443 }
444 };
445
446 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
447 TextAttributes *t_attrib)
448 {
449 static pixman_image_t *glyphs[256];
450 DisplaySurface *surface = qemu_console_surface(s);
451 pixman_color_t fgcol, bgcol;
452
453 if (t_attrib->invers) {
454 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
455 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
456 } else {
457 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
458 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
459 }
460
461 if (!glyphs[ch]) {
462 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
463 }
464 qemu_pixman_glyph_render(glyphs[ch], surface->image,
465 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
466 }
467
468 static void text_console_resize(QemuConsole *s)
469 {
470 TextCell *cells, *c, *c1;
471 int w1, x, y, last_width;
472
473 last_width = s->width;
474 s->width = surface_width(s->surface) / FONT_WIDTH;
475 s->height = surface_height(s->surface) / FONT_HEIGHT;
476
477 w1 = last_width;
478 if (s->width < w1)
479 w1 = s->width;
480
481 cells = g_new(TextCell, s->width * s->total_height);
482 for(y = 0; y < s->total_height; y++) {
483 c = &cells[y * s->width];
484 if (w1 > 0) {
485 c1 = &s->cells[y * last_width];
486 for(x = 0; x < w1; x++) {
487 *c++ = *c1++;
488 }
489 }
490 for(x = w1; x < s->width; x++) {
491 c->ch = ' ';
492 c->t_attrib = s->t_attrib_default;
493 c++;
494 }
495 }
496 g_free(s->cells);
497 s->cells = cells;
498 }
499
500 static inline void text_update_xy(QemuConsole *s, int x, int y)
501 {
502 s->text_x[0] = MIN(s->text_x[0], x);
503 s->text_x[1] = MAX(s->text_x[1], x);
504 s->text_y[0] = MIN(s->text_y[0], y);
505 s->text_y[1] = MAX(s->text_y[1], y);
506 }
507
508 static void invalidate_xy(QemuConsole *s, int x, int y)
509 {
510 if (!qemu_console_is_visible(s)) {
511 return;
512 }
513 if (s->update_x0 > x * FONT_WIDTH)
514 s->update_x0 = x * FONT_WIDTH;
515 if (s->update_y0 > y * FONT_HEIGHT)
516 s->update_y0 = y * FONT_HEIGHT;
517 if (s->update_x1 < (x + 1) * FONT_WIDTH)
518 s->update_x1 = (x + 1) * FONT_WIDTH;
519 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
520 s->update_y1 = (y + 1) * FONT_HEIGHT;
521 }
522
523 static void update_xy(QemuConsole *s, int x, int y)
524 {
525 TextCell *c;
526 int y1, y2;
527
528 if (s->ds->have_text) {
529 text_update_xy(s, x, y);
530 }
531
532 y1 = (s->y_base + y) % s->total_height;
533 y2 = y1 - s->y_displayed;
534 if (y2 < 0) {
535 y2 += s->total_height;
536 }
537 if (y2 < s->height) {
538 c = &s->cells[y1 * s->width + x];
539 vga_putcharxy(s, x, y2, c->ch,
540 &(c->t_attrib));
541 invalidate_xy(s, x, y2);
542 }
543 }
544
545 static void console_show_cursor(QemuConsole *s, int show)
546 {
547 TextCell *c;
548 int y, y1;
549 int x = s->x;
550
551 if (s->ds->have_text) {
552 s->cursor_invalidate = 1;
553 }
554
555 if (x >= s->width) {
556 x = s->width - 1;
557 }
558 y1 = (s->y_base + s->y) % s->total_height;
559 y = y1 - s->y_displayed;
560 if (y < 0) {
561 y += s->total_height;
562 }
563 if (y < s->height) {
564 c = &s->cells[y1 * s->width + x];
565 if (show && cursor_visible_phase) {
566 TextAttributes t_attrib = s->t_attrib_default;
567 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
568 vga_putcharxy(s, x, y, c->ch, &t_attrib);
569 } else {
570 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
571 }
572 invalidate_xy(s, x, y);
573 }
574 }
575
576 static void console_refresh(QemuConsole *s)
577 {
578 DisplaySurface *surface = qemu_console_surface(s);
579 TextCell *c;
580 int x, y, y1;
581
582 if (s->ds->have_text) {
583 s->text_x[0] = 0;
584 s->text_y[0] = 0;
585 s->text_x[1] = s->width - 1;
586 s->text_y[1] = s->height - 1;
587 s->cursor_invalidate = 1;
588 }
589
590 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
591 color_table_rgb[0][QEMU_COLOR_BLACK]);
592 y1 = s->y_displayed;
593 for (y = 0; y < s->height; y++) {
594 c = s->cells + y1 * s->width;
595 for (x = 0; x < s->width; x++) {
596 vga_putcharxy(s, x, y, c->ch,
597 &(c->t_attrib));
598 c++;
599 }
600 if (++y1 == s->total_height) {
601 y1 = 0;
602 }
603 }
604 console_show_cursor(s, 1);
605 dpy_gfx_update(s, 0, 0,
606 surface_width(surface), surface_height(surface));
607 }
608
609 static void console_scroll(QemuConsole *s, int ydelta)
610 {
611 int i, y1;
612
613 if (ydelta > 0) {
614 for(i = 0; i < ydelta; i++) {
615 if (s->y_displayed == s->y_base)
616 break;
617 if (++s->y_displayed == s->total_height)
618 s->y_displayed = 0;
619 }
620 } else {
621 ydelta = -ydelta;
622 i = s->backscroll_height;
623 if (i > s->total_height - s->height)
624 i = s->total_height - s->height;
625 y1 = s->y_base - i;
626 if (y1 < 0)
627 y1 += s->total_height;
628 for(i = 0; i < ydelta; i++) {
629 if (s->y_displayed == y1)
630 break;
631 if (--s->y_displayed < 0)
632 s->y_displayed = s->total_height - 1;
633 }
634 }
635 console_refresh(s);
636 }
637
638 static void console_put_lf(QemuConsole *s)
639 {
640 TextCell *c;
641 int x, y1;
642
643 s->y++;
644 if (s->y >= s->height) {
645 s->y = s->height - 1;
646
647 if (s->y_displayed == s->y_base) {
648 if (++s->y_displayed == s->total_height)
649 s->y_displayed = 0;
650 }
651 if (++s->y_base == s->total_height)
652 s->y_base = 0;
653 if (s->backscroll_height < s->total_height)
654 s->backscroll_height++;
655 y1 = (s->y_base + s->height - 1) % s->total_height;
656 c = &s->cells[y1 * s->width];
657 for(x = 0; x < s->width; x++) {
658 c->ch = ' ';
659 c->t_attrib = s->t_attrib_default;
660 c++;
661 }
662 if (s->y_displayed == s->y_base) {
663 if (s->ds->have_text) {
664 s->text_x[0] = 0;
665 s->text_y[0] = 0;
666 s->text_x[1] = s->width - 1;
667 s->text_y[1] = s->height - 1;
668 }
669
670 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
671 s->width * FONT_WIDTH,
672 (s->height - 1) * FONT_HEIGHT);
673 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
674 s->width * FONT_WIDTH, FONT_HEIGHT,
675 color_table_rgb[0][s->t_attrib_default.bgcol]);
676 s->update_x0 = 0;
677 s->update_y0 = 0;
678 s->update_x1 = s->width * FONT_WIDTH;
679 s->update_y1 = s->height * FONT_HEIGHT;
680 }
681 }
682 }
683
684 /* Set console attributes depending on the current escape codes.
685 * NOTE: I know this code is not very efficient (checking every color for it
686 * self) but it is more readable and better maintainable.
687 */
688 static void console_handle_escape(QemuConsole *s)
689 {
690 int i;
691
692 for (i=0; i<s->nb_esc_params; i++) {
693 switch (s->esc_params[i]) {
694 case 0: /* reset all console attributes to default */
695 s->t_attrib = s->t_attrib_default;
696 break;
697 case 1:
698 s->t_attrib.bold = 1;
699 break;
700 case 4:
701 s->t_attrib.uline = 1;
702 break;
703 case 5:
704 s->t_attrib.blink = 1;
705 break;
706 case 7:
707 s->t_attrib.invers = 1;
708 break;
709 case 8:
710 s->t_attrib.unvisible = 1;
711 break;
712 case 22:
713 s->t_attrib.bold = 0;
714 break;
715 case 24:
716 s->t_attrib.uline = 0;
717 break;
718 case 25:
719 s->t_attrib.blink = 0;
720 break;
721 case 27:
722 s->t_attrib.invers = 0;
723 break;
724 case 28:
725 s->t_attrib.unvisible = 0;
726 break;
727 /* set foreground color */
728 case 30:
729 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
730 break;
731 case 31:
732 s->t_attrib.fgcol = QEMU_COLOR_RED;
733 break;
734 case 32:
735 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
736 break;
737 case 33:
738 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
739 break;
740 case 34:
741 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
742 break;
743 case 35:
744 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
745 break;
746 case 36:
747 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
748 break;
749 case 37:
750 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
751 break;
752 /* set background color */
753 case 40:
754 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
755 break;
756 case 41:
757 s->t_attrib.bgcol = QEMU_COLOR_RED;
758 break;
759 case 42:
760 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
761 break;
762 case 43:
763 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
764 break;
765 case 44:
766 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
767 break;
768 case 45:
769 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
770 break;
771 case 46:
772 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
773 break;
774 case 47:
775 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
776 break;
777 }
778 }
779 }
780
781 static void console_clear_xy(QemuConsole *s, int x, int y)
782 {
783 int y1 = (s->y_base + y) % s->total_height;
784 TextCell *c = &s->cells[y1 * s->width + x];
785 c->ch = ' ';
786 c->t_attrib = s->t_attrib_default;
787 update_xy(s, x, y);
788 }
789
790 static void console_put_one(QemuConsole *s, int ch)
791 {
792 TextCell *c;
793 int y1;
794 if (s->x >= s->width) {
795 /* line wrap */
796 s->x = 0;
797 console_put_lf(s);
798 }
799 y1 = (s->y_base + s->y) % s->total_height;
800 c = &s->cells[y1 * s->width + s->x];
801 c->ch = ch;
802 c->t_attrib = s->t_attrib;
803 update_xy(s, s->x, s->y);
804 s->x++;
805 }
806
807 static void console_respond_str(QemuConsole *s, const char *buf)
808 {
809 while (*buf) {
810 console_put_one(s, *buf);
811 buf++;
812 }
813 }
814
815 /* set cursor, checking bounds */
816 static void set_cursor(QemuConsole *s, int x, int y)
817 {
818 if (x < 0) {
819 x = 0;
820 }
821 if (y < 0) {
822 y = 0;
823 }
824 if (y >= s->height) {
825 y = s->height - 1;
826 }
827 if (x >= s->width) {
828 x = s->width - 1;
829 }
830
831 s->x = x;
832 s->y = y;
833 }
834
835 static void console_putchar(QemuConsole *s, int ch)
836 {
837 int i;
838 int x, y;
839 char response[40];
840
841 switch(s->state) {
842 case TTY_STATE_NORM:
843 switch(ch) {
844 case '\r': /* carriage return */
845 s->x = 0;
846 break;
847 case '\n': /* newline */
848 console_put_lf(s);
849 break;
850 case '\b': /* backspace */
851 if (s->x > 0)
852 s->x--;
853 break;
854 case '\t': /* tabspace */
855 if (s->x + (8 - (s->x % 8)) > s->width) {
856 s->x = 0;
857 console_put_lf(s);
858 } else {
859 s->x = s->x + (8 - (s->x % 8));
860 }
861 break;
862 case '\a': /* alert aka. bell */
863 /* TODO: has to be implemented */
864 break;
865 case 14:
866 /* SI (shift in), character set 0 (ignored) */
867 break;
868 case 15:
869 /* SO (shift out), character set 1 (ignored) */
870 break;
871 case 27: /* esc (introducing an escape sequence) */
872 s->state = TTY_STATE_ESC;
873 break;
874 default:
875 console_put_one(s, ch);
876 break;
877 }
878 break;
879 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
880 if (ch == '[') {
881 for(i=0;i<MAX_ESC_PARAMS;i++)
882 s->esc_params[i] = 0;
883 s->nb_esc_params = 0;
884 s->state = TTY_STATE_CSI;
885 } else {
886 s->state = TTY_STATE_NORM;
887 }
888 break;
889 case TTY_STATE_CSI: /* handle escape sequence parameters */
890 if (ch >= '0' && ch <= '9') {
891 if (s->nb_esc_params < MAX_ESC_PARAMS) {
892 int *param = &s->esc_params[s->nb_esc_params];
893 int digit = (ch - '0');
894
895 *param = (*param <= (INT_MAX - digit) / 10) ?
896 *param * 10 + digit : INT_MAX;
897 }
898 } else {
899 if (s->nb_esc_params < MAX_ESC_PARAMS)
900 s->nb_esc_params++;
901 if (ch == ';' || ch == '?') {
902 break;
903 }
904 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
905 ch, s->nb_esc_params);
906 s->state = TTY_STATE_NORM;
907 switch(ch) {
908 case 'A':
909 /* move cursor up */
910 if (s->esc_params[0] == 0) {
911 s->esc_params[0] = 1;
912 }
913 set_cursor(s, s->x, s->y - s->esc_params[0]);
914 break;
915 case 'B':
916 /* move cursor down */
917 if (s->esc_params[0] == 0) {
918 s->esc_params[0] = 1;
919 }
920 set_cursor(s, s->x, s->y + s->esc_params[0]);
921 break;
922 case 'C':
923 /* move cursor right */
924 if (s->esc_params[0] == 0) {
925 s->esc_params[0] = 1;
926 }
927 set_cursor(s, s->x + s->esc_params[0], s->y);
928 break;
929 case 'D':
930 /* move cursor left */
931 if (s->esc_params[0] == 0) {
932 s->esc_params[0] = 1;
933 }
934 set_cursor(s, s->x - s->esc_params[0], s->y);
935 break;
936 case 'G':
937 /* move cursor to column */
938 set_cursor(s, s->esc_params[0] - 1, s->y);
939 break;
940 case 'f':
941 case 'H':
942 /* move cursor to row, column */
943 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
944 break;
945 case 'J':
946 switch (s->esc_params[0]) {
947 case 0:
948 /* clear to end of screen */
949 for (y = s->y; y < s->height; y++) {
950 for (x = 0; x < s->width; x++) {
951 if (y == s->y && x < s->x) {
952 continue;
953 }
954 console_clear_xy(s, x, y);
955 }
956 }
957 break;
958 case 1:
959 /* clear from beginning of screen */
960 for (y = 0; y <= s->y; y++) {
961 for (x = 0; x < s->width; x++) {
962 if (y == s->y && x > s->x) {
963 break;
964 }
965 console_clear_xy(s, x, y);
966 }
967 }
968 break;
969 case 2:
970 /* clear entire screen */
971 for (y = 0; y <= s->height; y++) {
972 for (x = 0; x < s->width; x++) {
973 console_clear_xy(s, x, y);
974 }
975 }
976 break;
977 }
978 break;
979 case 'K':
980 switch (s->esc_params[0]) {
981 case 0:
982 /* clear to eol */
983 for(x = s->x; x < s->width; x++) {
984 console_clear_xy(s, x, s->y);
985 }
986 break;
987 case 1:
988 /* clear from beginning of line */
989 for (x = 0; x <= s->x; x++) {
990 console_clear_xy(s, x, s->y);
991 }
992 break;
993 case 2:
994 /* clear entire line */
995 for(x = 0; x < s->width; x++) {
996 console_clear_xy(s, x, s->y);
997 }
998 break;
999 }
1000 break;
1001 case 'm':
1002 console_handle_escape(s);
1003 break;
1004 case 'n':
1005 switch (s->esc_params[0]) {
1006 case 5:
1007 /* report console status (always succeed)*/
1008 console_respond_str(s, "\033[0n");
1009 break;
1010 case 6:
1011 /* report cursor position */
1012 sprintf(response, "\033[%d;%dR",
1013 (s->y_base + s->y) % s->total_height + 1,
1014 s->x + 1);
1015 console_respond_str(s, response);
1016 break;
1017 }
1018 break;
1019 case 's':
1020 /* save cursor position */
1021 s->x_saved = s->x;
1022 s->y_saved = s->y;
1023 break;
1024 case 'u':
1025 /* restore cursor position */
1026 s->x = s->x_saved;
1027 s->y = s->y_saved;
1028 break;
1029 default:
1030 trace_console_putchar_unhandled(ch);
1031 break;
1032 }
1033 break;
1034 }
1035 }
1036 }
1037
1038 void console_select(unsigned int index)
1039 {
1040 DisplayChangeListener *dcl;
1041 QemuConsole *s;
1042
1043 trace_console_select(index);
1044 s = qemu_console_lookup_by_index(index);
1045 if (s) {
1046 DisplayState *ds = s->ds;
1047
1048 active_console = s;
1049 if (ds->have_gfx) {
1050 QLIST_FOREACH(dcl, &ds->listeners, next) {
1051 if (dcl->con != NULL) {
1052 continue;
1053 }
1054 if (dcl->ops->dpy_gfx_switch) {
1055 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1056 }
1057 }
1058 if (s->surface) {
1059 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1060 surface_height(s->surface));
1061 }
1062 }
1063 if (ds->have_text) {
1064 dpy_text_resize(s, s->width, s->height);
1065 }
1066 text_console_update_cursor(NULL);
1067 }
1068 }
1069
1070 typedef struct VCChardev {
1071 Chardev parent;
1072 QemuConsole *console;
1073 } VCChardev;
1074
1075 #define TYPE_CHARDEV_VC "chardev-vc"
1076 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
1077
1078 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1079 {
1080 VCChardev *drv = VC_CHARDEV(chr);
1081 QemuConsole *s = drv->console;
1082 int i;
1083
1084 if (!s->ds) {
1085 return 0;
1086 }
1087
1088 s->update_x0 = s->width * FONT_WIDTH;
1089 s->update_y0 = s->height * FONT_HEIGHT;
1090 s->update_x1 = 0;
1091 s->update_y1 = 0;
1092 console_show_cursor(s, 0);
1093 for(i = 0; i < len; i++) {
1094 console_putchar(s, buf[i]);
1095 }
1096 console_show_cursor(s, 1);
1097 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1098 dpy_gfx_update(s, s->update_x0, s->update_y0,
1099 s->update_x1 - s->update_x0,
1100 s->update_y1 - s->update_y0);
1101 }
1102 return len;
1103 }
1104
1105 static void kbd_send_chars(void *opaque)
1106 {
1107 QemuConsole *s = opaque;
1108 int len;
1109 uint8_t buf[16];
1110
1111 len = qemu_chr_be_can_write(s->chr);
1112 if (len > s->out_fifo.count)
1113 len = s->out_fifo.count;
1114 if (len > 0) {
1115 if (len > sizeof(buf))
1116 len = sizeof(buf);
1117 qemu_fifo_read(&s->out_fifo, buf, len);
1118 qemu_chr_be_write(s->chr, buf, len);
1119 }
1120 /* characters are pending: we send them a bit later (XXX:
1121 horrible, should change char device API) */
1122 if (s->out_fifo.count > 0) {
1123 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1124 }
1125 }
1126
1127 /* called when an ascii key is pressed */
1128 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1129 {
1130 uint8_t buf[16], *q;
1131 CharBackend *be;
1132 int c;
1133
1134 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1135 return;
1136
1137 switch(keysym) {
1138 case QEMU_KEY_CTRL_UP:
1139 console_scroll(s, -1);
1140 break;
1141 case QEMU_KEY_CTRL_DOWN:
1142 console_scroll(s, 1);
1143 break;
1144 case QEMU_KEY_CTRL_PAGEUP:
1145 console_scroll(s, -10);
1146 break;
1147 case QEMU_KEY_CTRL_PAGEDOWN:
1148 console_scroll(s, 10);
1149 break;
1150 default:
1151 /* convert the QEMU keysym to VT100 key string */
1152 q = buf;
1153 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1154 *q++ = '\033';
1155 *q++ = '[';
1156 c = keysym - 0xe100;
1157 if (c >= 10)
1158 *q++ = '0' + (c / 10);
1159 *q++ = '0' + (c % 10);
1160 *q++ = '~';
1161 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1162 *q++ = '\033';
1163 *q++ = '[';
1164 *q++ = keysym & 0xff;
1165 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1166 vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
1167 *q++ = '\n';
1168 } else {
1169 *q++ = keysym;
1170 }
1171 if (s->echo) {
1172 vc_chr_write(s->chr, buf, q - buf);
1173 }
1174 be = s->chr->be;
1175 if (be && be->chr_read) {
1176 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1177 kbd_send_chars(s);
1178 }
1179 break;
1180 }
1181 }
1182
1183 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1184 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1185 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1186 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1187 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1188 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1189 [Q_KEY_CODE_END] = QEMU_KEY_END,
1190 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1191 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1192 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1193 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1194 };
1195
1196 static const int ctrl_qcode_to_keysym[Q_KEY_CODE__MAX] = {
1197 [Q_KEY_CODE_UP] = QEMU_KEY_CTRL_UP,
1198 [Q_KEY_CODE_DOWN] = QEMU_KEY_CTRL_DOWN,
1199 [Q_KEY_CODE_RIGHT] = QEMU_KEY_CTRL_RIGHT,
1200 [Q_KEY_CODE_LEFT] = QEMU_KEY_CTRL_LEFT,
1201 [Q_KEY_CODE_HOME] = QEMU_KEY_CTRL_HOME,
1202 [Q_KEY_CODE_END] = QEMU_KEY_CTRL_END,
1203 [Q_KEY_CODE_PGUP] = QEMU_KEY_CTRL_PAGEUP,
1204 [Q_KEY_CODE_PGDN] = QEMU_KEY_CTRL_PAGEDOWN,
1205 };
1206
1207 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl)
1208 {
1209 int keysym;
1210
1211 keysym = ctrl ? ctrl_qcode_to_keysym[qcode] : qcode_to_keysym[qcode];
1212 if (keysym == 0) {
1213 return false;
1214 }
1215 kbd_put_keysym_console(s, keysym);
1216 return true;
1217 }
1218
1219 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1220 {
1221 int i;
1222
1223 for (i = 0; i < len && str[i]; i++) {
1224 kbd_put_keysym_console(s, str[i]);
1225 }
1226 }
1227
1228 void kbd_put_keysym(int keysym)
1229 {
1230 kbd_put_keysym_console(active_console, keysym);
1231 }
1232
1233 static void text_console_invalidate(void *opaque)
1234 {
1235 QemuConsole *s = (QemuConsole *) opaque;
1236
1237 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1238 text_console_resize(s);
1239 }
1240 console_refresh(s);
1241 }
1242
1243 static void text_console_update(void *opaque, console_ch_t *chardata)
1244 {
1245 QemuConsole *s = (QemuConsole *) opaque;
1246 int i, j, src;
1247
1248 if (s->text_x[0] <= s->text_x[1]) {
1249 src = (s->y_base + s->text_y[0]) * s->width;
1250 chardata += s->text_y[0] * s->width;
1251 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1252 for (j = 0; j < s->width; j++, src++) {
1253 console_write_ch(chardata ++,
1254 ATTR2CHTYPE(s->cells[src].ch,
1255 s->cells[src].t_attrib.fgcol,
1256 s->cells[src].t_attrib.bgcol,
1257 s->cells[src].t_attrib.bold));
1258 }
1259 dpy_text_update(s, s->text_x[0], s->text_y[0],
1260 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1261 s->text_x[0] = s->width;
1262 s->text_y[0] = s->height;
1263 s->text_x[1] = 0;
1264 s->text_y[1] = 0;
1265 }
1266 if (s->cursor_invalidate) {
1267 dpy_text_cursor(s, s->x, s->y);
1268 s->cursor_invalidate = 0;
1269 }
1270 }
1271
1272 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1273 uint32_t head)
1274 {
1275 Object *obj;
1276 QemuConsole *s;
1277 int i;
1278
1279 obj = object_new(TYPE_QEMU_CONSOLE);
1280 s = QEMU_CONSOLE(obj);
1281 s->head = head;
1282 object_property_add_link(obj, "device", TYPE_DEVICE,
1283 (Object **)&s->device,
1284 object_property_allow_set_link,
1285 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1286 &error_abort);
1287 object_property_add_uint32_ptr(obj, "head",
1288 &s->head, &error_abort);
1289
1290 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1291 (console_type == GRAPHIC_CONSOLE))) {
1292 active_console = s;
1293 }
1294 s->ds = ds;
1295 s->console_type = console_type;
1296
1297 if (QTAILQ_EMPTY(&consoles)) {
1298 s->index = 0;
1299 QTAILQ_INSERT_TAIL(&consoles, s, next);
1300 } else if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) {
1301 QemuConsole *last = QTAILQ_LAST(&consoles, consoles_head);
1302 s->index = last->index + 1;
1303 QTAILQ_INSERT_TAIL(&consoles, s, next);
1304 } else {
1305 /*
1306 * HACK: Put graphical consoles before text consoles.
1307 *
1308 * Only do that for coldplugged devices. After initial device
1309 * initialization we will not renumber the consoles any more.
1310 */
1311 QemuConsole *c = QTAILQ_FIRST(&consoles);
1312
1313 while (QTAILQ_NEXT(c, next) != NULL &&
1314 c->console_type == GRAPHIC_CONSOLE) {
1315 c = QTAILQ_NEXT(c, next);
1316 }
1317 if (c->console_type == GRAPHIC_CONSOLE) {
1318 /* have no text consoles */
1319 s->index = c->index + 1;
1320 QTAILQ_INSERT_AFTER(&consoles, c, s, next);
1321 } else {
1322 s->index = c->index;
1323 QTAILQ_INSERT_BEFORE(c, s, next);
1324 /* renumber text consoles */
1325 for (i = s->index + 1; c != NULL; c = QTAILQ_NEXT(c, next), i++) {
1326 c->index = i;
1327 }
1328 }
1329 }
1330 return s;
1331 }
1332
1333 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1334 {
1335 qemu_pixman_image_unref(surface->image);
1336 surface->image = NULL;
1337
1338 surface->format = PIXMAN_x8r8g8b8;
1339 surface->image = pixman_image_create_bits(surface->format,
1340 width, height,
1341 NULL, width * 4);
1342 assert(surface->image != NULL);
1343
1344 surface->flags = QEMU_ALLOCATED_FLAG;
1345 }
1346
1347 DisplaySurface *qemu_create_displaysurface(int width, int height)
1348 {
1349 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1350
1351 trace_displaysurface_create(surface, width, height);
1352 qemu_alloc_display(surface, width, height);
1353 return surface;
1354 }
1355
1356 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1357 pixman_format_code_t format,
1358 int linesize, uint8_t *data)
1359 {
1360 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1361
1362 trace_displaysurface_create_from(surface, width, height, format);
1363 surface->format = format;
1364 surface->image = pixman_image_create_bits(surface->format,
1365 width, height,
1366 (void *)data, linesize);
1367 assert(surface->image != NULL);
1368
1369 return surface;
1370 }
1371
1372 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1373 {
1374 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1375
1376 trace_displaysurface_create_pixman(surface);
1377 surface->format = pixman_image_get_format(image);
1378 surface->image = pixman_image_ref(image);
1379
1380 return surface;
1381 }
1382
1383 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image,
1384 void *unused)
1385 {
1386 void *data = pixman_image_get_data(image);
1387 uint32_t size = pixman_image_get_stride(image) *
1388 pixman_image_get_height(image);
1389 cpu_physical_memory_unmap(data, size, 0, 0);
1390 }
1391
1392 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
1393 pixman_format_code_t format,
1394 int linesize, uint64_t addr)
1395 {
1396 DisplaySurface *surface;
1397 hwaddr size;
1398 void *data;
1399
1400 if (linesize == 0) {
1401 linesize = width * PIXMAN_FORMAT_BPP(format) / 8;
1402 }
1403
1404 size = (hwaddr)linesize * height;
1405 data = cpu_physical_memory_map(addr, &size, 0);
1406 if (size != (hwaddr)linesize * height) {
1407 cpu_physical_memory_unmap(data, size, 0, 0);
1408 return NULL;
1409 }
1410
1411 surface = qemu_create_displaysurface_from
1412 (width, height, format, linesize, data);
1413 pixman_image_set_destroy_function
1414 (surface->image, qemu_unmap_displaysurface_guestmem, NULL);
1415
1416 return surface;
1417 }
1418
1419 DisplaySurface *qemu_create_message_surface(int w, int h,
1420 const char *msg)
1421 {
1422 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1423 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1424 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1425 pixman_image_t *glyph;
1426 int len, x, y, i;
1427
1428 len = strlen(msg);
1429 x = (w / FONT_WIDTH - len) / 2;
1430 y = (h / FONT_HEIGHT - 1) / 2;
1431 for (i = 0; i < len; i++) {
1432 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1433 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1434 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1435 qemu_pixman_image_unref(glyph);
1436 }
1437 return surface;
1438 }
1439
1440 void qemu_free_displaysurface(DisplaySurface *surface)
1441 {
1442 if (surface == NULL) {
1443 return;
1444 }
1445 trace_displaysurface_free(surface);
1446 qemu_pixman_image_unref(surface->image);
1447 g_free(surface);
1448 }
1449
1450 bool console_has_gl(QemuConsole *con)
1451 {
1452 return con->gl != NULL;
1453 }
1454
1455 bool console_has_gl_dmabuf(QemuConsole *con)
1456 {
1457 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL;
1458 }
1459
1460 void register_displaychangelistener(DisplayChangeListener *dcl)
1461 {
1462 static const char nodev[] =
1463 "This VM has no graphic display device.";
1464 static DisplaySurface *dummy;
1465 QemuConsole *con;
1466
1467 assert(!dcl->ds);
1468
1469 if (dcl->ops->dpy_gl_ctx_create) {
1470 /* display has opengl support */
1471 assert(dcl->con);
1472 if (dcl->con->gl) {
1473 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1474 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1475 exit(1);
1476 }
1477 dcl->con->gl = dcl;
1478 }
1479
1480 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1481 dcl->ds = get_alloc_displaystate();
1482 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1483 gui_setup_refresh(dcl->ds);
1484 if (dcl->con) {
1485 dcl->con->dcls++;
1486 con = dcl->con;
1487 } else {
1488 con = active_console;
1489 }
1490 if (dcl->ops->dpy_gfx_switch) {
1491 if (con) {
1492 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1493 } else {
1494 if (!dummy) {
1495 dummy = qemu_create_message_surface(640, 480, nodev);
1496 }
1497 dcl->ops->dpy_gfx_switch(dcl, dummy);
1498 }
1499 }
1500 text_console_update_cursor(NULL);
1501 }
1502
1503 void update_displaychangelistener(DisplayChangeListener *dcl,
1504 uint64_t interval)
1505 {
1506 DisplayState *ds = dcl->ds;
1507
1508 dcl->update_interval = interval;
1509 if (!ds->refreshing && ds->update_interval > interval) {
1510 timer_mod(ds->gui_timer, ds->last_update + interval);
1511 }
1512 }
1513
1514 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1515 {
1516 DisplayState *ds = dcl->ds;
1517 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1518 if (dcl->con) {
1519 dcl->con->dcls--;
1520 }
1521 QLIST_REMOVE(dcl, next);
1522 dcl->ds = NULL;
1523 gui_setup_refresh(ds);
1524 }
1525
1526 static void dpy_set_ui_info_timer(void *opaque)
1527 {
1528 QemuConsole *con = opaque;
1529
1530 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1531 }
1532
1533 bool dpy_ui_info_supported(QemuConsole *con)
1534 {
1535 return con->hw_ops->ui_info != NULL;
1536 }
1537
1538 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1539 {
1540 assert(con != NULL);
1541
1542 if (!dpy_ui_info_supported(con)) {
1543 return -1;
1544 }
1545 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1546 /* nothing changed -- ignore */
1547 return 0;
1548 }
1549
1550 /*
1551 * Typically we get a flood of these as the user resizes the window.
1552 * Wait until the dust has settled (one second without updates), then
1553 * go notify the guest.
1554 */
1555 con->ui_info = *info;
1556 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1557 return 0;
1558 }
1559
1560 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1561 {
1562 DisplayState *s = con->ds;
1563 DisplayChangeListener *dcl;
1564 int width = w;
1565 int height = h;
1566
1567 if (con->surface) {
1568 width = surface_width(con->surface);
1569 height = surface_height(con->surface);
1570 }
1571 x = MAX(x, 0);
1572 y = MAX(y, 0);
1573 x = MIN(x, width);
1574 y = MIN(y, height);
1575 w = MIN(w, width - x);
1576 h = MIN(h, height - y);
1577
1578 if (!qemu_console_is_visible(con)) {
1579 return;
1580 }
1581 QLIST_FOREACH(dcl, &s->listeners, next) {
1582 if (con != (dcl->con ? dcl->con : active_console)) {
1583 continue;
1584 }
1585 if (dcl->ops->dpy_gfx_update) {
1586 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1587 }
1588 }
1589 }
1590
1591 void dpy_gfx_update_full(QemuConsole *con)
1592 {
1593 if (!con->surface) {
1594 return;
1595 }
1596 dpy_gfx_update(con, 0, 0,
1597 surface_width(con->surface),
1598 surface_height(con->surface));
1599 }
1600
1601 void dpy_gfx_replace_surface(QemuConsole *con,
1602 DisplaySurface *surface)
1603 {
1604 DisplayState *s = con->ds;
1605 DisplaySurface *old_surface = con->surface;
1606 DisplayChangeListener *dcl;
1607
1608 assert(old_surface != surface || surface == NULL);
1609
1610 con->surface = surface;
1611 QLIST_FOREACH(dcl, &s->listeners, next) {
1612 if (con != (dcl->con ? dcl->con : active_console)) {
1613 continue;
1614 }
1615 if (dcl->ops->dpy_gfx_switch) {
1616 dcl->ops->dpy_gfx_switch(dcl, surface);
1617 }
1618 }
1619 qemu_free_displaysurface(old_surface);
1620 }
1621
1622 bool dpy_gfx_check_format(QemuConsole *con,
1623 pixman_format_code_t format)
1624 {
1625 DisplayChangeListener *dcl;
1626 DisplayState *s = con->ds;
1627
1628 QLIST_FOREACH(dcl, &s->listeners, next) {
1629 if (dcl->con && dcl->con != con) {
1630 /* dcl bound to another console -> skip */
1631 continue;
1632 }
1633 if (dcl->ops->dpy_gfx_check_format) {
1634 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1635 return false;
1636 }
1637 } else {
1638 /* default is to whitelist native 32 bpp only */
1639 if (format != qemu_default_pixman_format(32, true)) {
1640 return false;
1641 }
1642 }
1643 }
1644 return true;
1645 }
1646
1647 static void dpy_refresh(DisplayState *s)
1648 {
1649 DisplayChangeListener *dcl;
1650
1651 QLIST_FOREACH(dcl, &s->listeners, next) {
1652 if (dcl->ops->dpy_refresh) {
1653 dcl->ops->dpy_refresh(dcl);
1654 }
1655 }
1656 }
1657
1658 void dpy_text_cursor(QemuConsole *con, int x, int y)
1659 {
1660 DisplayState *s = con->ds;
1661 DisplayChangeListener *dcl;
1662
1663 if (!qemu_console_is_visible(con)) {
1664 return;
1665 }
1666 QLIST_FOREACH(dcl, &s->listeners, next) {
1667 if (con != (dcl->con ? dcl->con : active_console)) {
1668 continue;
1669 }
1670 if (dcl->ops->dpy_text_cursor) {
1671 dcl->ops->dpy_text_cursor(dcl, x, y);
1672 }
1673 }
1674 }
1675
1676 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1677 {
1678 DisplayState *s = con->ds;
1679 DisplayChangeListener *dcl;
1680
1681 if (!qemu_console_is_visible(con)) {
1682 return;
1683 }
1684 QLIST_FOREACH(dcl, &s->listeners, next) {
1685 if (con != (dcl->con ? dcl->con : active_console)) {
1686 continue;
1687 }
1688 if (dcl->ops->dpy_text_update) {
1689 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1690 }
1691 }
1692 }
1693
1694 void dpy_text_resize(QemuConsole *con, int w, int h)
1695 {
1696 DisplayState *s = con->ds;
1697 DisplayChangeListener *dcl;
1698
1699 if (!qemu_console_is_visible(con)) {
1700 return;
1701 }
1702 QLIST_FOREACH(dcl, &s->listeners, next) {
1703 if (con != (dcl->con ? dcl->con : active_console)) {
1704 continue;
1705 }
1706 if (dcl->ops->dpy_text_resize) {
1707 dcl->ops->dpy_text_resize(dcl, w, h);
1708 }
1709 }
1710 }
1711
1712 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1713 {
1714 DisplayState *s = con->ds;
1715 DisplayChangeListener *dcl;
1716
1717 if (!qemu_console_is_visible(con)) {
1718 return;
1719 }
1720 QLIST_FOREACH(dcl, &s->listeners, next) {
1721 if (con != (dcl->con ? dcl->con : active_console)) {
1722 continue;
1723 }
1724 if (dcl->ops->dpy_mouse_set) {
1725 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1726 }
1727 }
1728 }
1729
1730 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1731 {
1732 DisplayState *s = con->ds;
1733 DisplayChangeListener *dcl;
1734
1735 if (!qemu_console_is_visible(con)) {
1736 return;
1737 }
1738 QLIST_FOREACH(dcl, &s->listeners, next) {
1739 if (con != (dcl->con ? dcl->con : active_console)) {
1740 continue;
1741 }
1742 if (dcl->ops->dpy_cursor_define) {
1743 dcl->ops->dpy_cursor_define(dcl, cursor);
1744 }
1745 }
1746 }
1747
1748 bool dpy_cursor_define_supported(QemuConsole *con)
1749 {
1750 DisplayState *s = con->ds;
1751 DisplayChangeListener *dcl;
1752
1753 QLIST_FOREACH(dcl, &s->listeners, next) {
1754 if (dcl->ops->dpy_cursor_define) {
1755 return true;
1756 }
1757 }
1758 return false;
1759 }
1760
1761 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1762 struct QEMUGLParams *qparams)
1763 {
1764 assert(con->gl);
1765 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1766 }
1767
1768 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1769 {
1770 assert(con->gl);
1771 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1772 }
1773
1774 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1775 {
1776 assert(con->gl);
1777 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1778 }
1779
1780 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1781 {
1782 assert(con->gl);
1783 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1784 }
1785
1786 void dpy_gl_scanout_disable(QemuConsole *con)
1787 {
1788 assert(con->gl);
1789 if (con->gl->ops->dpy_gl_scanout_disable) {
1790 con->gl->ops->dpy_gl_scanout_disable(con->gl);
1791 } else {
1792 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0,
1793 0, 0, 0, 0);
1794 }
1795 }
1796
1797 void dpy_gl_scanout_texture(QemuConsole *con,
1798 uint32_t backing_id,
1799 bool backing_y_0_top,
1800 uint32_t backing_width,
1801 uint32_t backing_height,
1802 uint32_t x, uint32_t y,
1803 uint32_t width, uint32_t height)
1804 {
1805 assert(con->gl);
1806 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id,
1807 backing_y_0_top,
1808 backing_width, backing_height,
1809 x, y, width, height);
1810 }
1811
1812 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1813 QemuDmaBuf *dmabuf)
1814 {
1815 assert(con->gl);
1816 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf);
1817 }
1818
1819 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
1820 bool have_hot, uint32_t hot_x, uint32_t hot_y)
1821 {
1822 assert(con->gl);
1823
1824 if (con->gl->ops->dpy_gl_cursor_dmabuf) {
1825 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf,
1826 have_hot, hot_x, hot_y);
1827 }
1828 }
1829
1830 void dpy_gl_cursor_position(QemuConsole *con,
1831 uint32_t pos_x, uint32_t pos_y)
1832 {
1833 assert(con->gl);
1834
1835 if (con->gl->ops->dpy_gl_cursor_position) {
1836 con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y);
1837 }
1838 }
1839
1840 void dpy_gl_release_dmabuf(QemuConsole *con,
1841 QemuDmaBuf *dmabuf)
1842 {
1843 assert(con->gl);
1844
1845 if (con->gl->ops->dpy_gl_release_dmabuf) {
1846 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf);
1847 }
1848 }
1849
1850 void dpy_gl_update(QemuConsole *con,
1851 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1852 {
1853 assert(con->gl);
1854 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1855 }
1856
1857 /***********************************************************/
1858 /* register display */
1859
1860 /* console.c internal use only */
1861 static DisplayState *get_alloc_displaystate(void)
1862 {
1863 if (!display_state) {
1864 display_state = g_new0(DisplayState, 1);
1865 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1866 text_console_update_cursor, NULL);
1867 }
1868 return display_state;
1869 }
1870
1871 /*
1872 * Called by main(), after creating QemuConsoles
1873 * and before initializing ui (sdl/vnc/...).
1874 */
1875 DisplayState *init_displaystate(void)
1876 {
1877 gchar *name;
1878 QemuConsole *con;
1879
1880 get_alloc_displaystate();
1881 QTAILQ_FOREACH(con, &consoles, next) {
1882 if (con->console_type != GRAPHIC_CONSOLE &&
1883 con->ds == NULL) {
1884 text_console_do_init(con->chr, display_state);
1885 }
1886
1887 /* Hook up into the qom tree here (not in new_console()), once
1888 * all QemuConsoles are created and the order / numbering
1889 * doesn't change any more */
1890 name = g_strdup_printf("console[%d]", con->index);
1891 object_property_add_child(container_get(object_get_root(), "/backend"),
1892 name, OBJECT(con), &error_abort);
1893 g_free(name);
1894 }
1895
1896 return display_state;
1897 }
1898
1899 void graphic_console_set_hwops(QemuConsole *con,
1900 const GraphicHwOps *hw_ops,
1901 void *opaque)
1902 {
1903 con->hw_ops = hw_ops;
1904 con->hw = opaque;
1905 }
1906
1907 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1908 const GraphicHwOps *hw_ops,
1909 void *opaque)
1910 {
1911 static const char noinit[] =
1912 "Guest has not initialized the display (yet).";
1913 int width = 640;
1914 int height = 480;
1915 QemuConsole *s;
1916 DisplayState *ds;
1917 DisplaySurface *surface;
1918
1919 ds = get_alloc_displaystate();
1920 s = qemu_console_lookup_unused();
1921 if (s) {
1922 trace_console_gfx_reuse(s->index);
1923 if (s->surface) {
1924 width = surface_width(s->surface);
1925 height = surface_height(s->surface);
1926 }
1927 } else {
1928 trace_console_gfx_new();
1929 s = new_console(ds, GRAPHIC_CONSOLE, head);
1930 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1931 dpy_set_ui_info_timer, s);
1932 }
1933 graphic_console_set_hwops(s, hw_ops, opaque);
1934 if (dev) {
1935 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1936 &error_abort);
1937 }
1938
1939 surface = qemu_create_message_surface(width, height, noinit);
1940 dpy_gfx_replace_surface(s, surface);
1941 return s;
1942 }
1943
1944 static const GraphicHwOps unused_ops = {
1945 /* no callbacks */
1946 };
1947
1948 void graphic_console_close(QemuConsole *con)
1949 {
1950 static const char unplugged[] =
1951 "Guest display has been unplugged";
1952 DisplaySurface *surface;
1953 int width = 640;
1954 int height = 480;
1955
1956 if (con->surface) {
1957 width = surface_width(con->surface);
1958 height = surface_height(con->surface);
1959 }
1960
1961 trace_console_gfx_close(con->index);
1962 object_property_set_link(OBJECT(con), NULL, "device", &error_abort);
1963 graphic_console_set_hwops(con, &unused_ops, NULL);
1964
1965 if (con->gl) {
1966 dpy_gl_scanout_disable(con);
1967 }
1968 surface = qemu_create_message_surface(width, height, unplugged);
1969 dpy_gfx_replace_surface(con, surface);
1970 }
1971
1972 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1973 {
1974 QemuConsole *con;
1975
1976 QTAILQ_FOREACH(con, &consoles, next) {
1977 if (con->index == index) {
1978 return con;
1979 }
1980 }
1981 return NULL;
1982 }
1983
1984 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1985 {
1986 QemuConsole *con;
1987 Object *obj;
1988 uint32_t h;
1989
1990 QTAILQ_FOREACH(con, &consoles, next) {
1991 obj = object_property_get_link(OBJECT(con),
1992 "device", &error_abort);
1993 if (DEVICE(obj) != dev) {
1994 continue;
1995 }
1996 h = object_property_get_uint(OBJECT(con),
1997 "head", &error_abort);
1998 if (h != head) {
1999 continue;
2000 }
2001 return con;
2002 }
2003 return NULL;
2004 }
2005
2006 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
2007 uint32_t head, Error **errp)
2008 {
2009 DeviceState *dev;
2010 QemuConsole *con;
2011
2012 dev = qdev_find_recursive(sysbus_get_default(), device_id);
2013 if (dev == NULL) {
2014 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
2015 "Device '%s' not found", device_id);
2016 return NULL;
2017 }
2018
2019 con = qemu_console_lookup_by_device(dev, head);
2020 if (con == NULL) {
2021 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
2022 device_id, head);
2023 return NULL;
2024 }
2025
2026 return con;
2027 }
2028
2029 QemuConsole *qemu_console_lookup_unused(void)
2030 {
2031 QemuConsole *con;
2032 Object *obj;
2033
2034 QTAILQ_FOREACH(con, &consoles, next) {
2035 if (con->hw_ops != &unused_ops) {
2036 continue;
2037 }
2038 obj = object_property_get_link(OBJECT(con),
2039 "device", &error_abort);
2040 if (obj != NULL) {
2041 continue;
2042 }
2043 return con;
2044 }
2045 return NULL;
2046 }
2047
2048 bool qemu_console_is_visible(QemuConsole *con)
2049 {
2050 return (con == active_console) || (con->dcls > 0);
2051 }
2052
2053 bool qemu_console_is_graphic(QemuConsole *con)
2054 {
2055 if (con == NULL) {
2056 con = active_console;
2057 }
2058 return con && (con->console_type == GRAPHIC_CONSOLE);
2059 }
2060
2061 bool qemu_console_is_fixedsize(QemuConsole *con)
2062 {
2063 if (con == NULL) {
2064 con = active_console;
2065 }
2066 return con && (con->console_type != TEXT_CONSOLE);
2067 }
2068
2069 bool qemu_console_is_gl_blocked(QemuConsole *con)
2070 {
2071 assert(con != NULL);
2072 return con->gl_block;
2073 }
2074
2075 char *qemu_console_get_label(QemuConsole *con)
2076 {
2077 if (con->console_type == GRAPHIC_CONSOLE) {
2078 if (con->device) {
2079 return g_strdup(object_get_typename(con->device));
2080 }
2081 return g_strdup("VGA");
2082 } else {
2083 if (con->chr && con->chr->label) {
2084 return g_strdup(con->chr->label);
2085 }
2086 return g_strdup_printf("vc%d", con->index);
2087 }
2088 }
2089
2090 int qemu_console_get_index(QemuConsole *con)
2091 {
2092 if (con == NULL) {
2093 con = active_console;
2094 }
2095 return con ? con->index : -1;
2096 }
2097
2098 uint32_t qemu_console_get_head(QemuConsole *con)
2099 {
2100 if (con == NULL) {
2101 con = active_console;
2102 }
2103 return con ? con->head : -1;
2104 }
2105
2106 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
2107 {
2108 assert(con != NULL);
2109 return &con->ui_info;
2110 }
2111
2112 int qemu_console_get_width(QemuConsole *con, int fallback)
2113 {
2114 if (con == NULL) {
2115 con = active_console;
2116 }
2117 return con ? surface_width(con->surface) : fallback;
2118 }
2119
2120 int qemu_console_get_height(QemuConsole *con, int fallback)
2121 {
2122 if (con == NULL) {
2123 con = active_console;
2124 }
2125 return con ? surface_height(con->surface) : fallback;
2126 }
2127
2128 static void vc_chr_set_echo(Chardev *chr, bool echo)
2129 {
2130 VCChardev *drv = VC_CHARDEV(chr);
2131 QemuConsole *s = drv->console;
2132
2133 s->echo = echo;
2134 }
2135
2136 static void text_console_update_cursor_timer(void)
2137 {
2138 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
2139 + CONSOLE_CURSOR_PERIOD / 2);
2140 }
2141
2142 static void text_console_update_cursor(void *opaque)
2143 {
2144 QemuConsole *s;
2145 int count = 0;
2146
2147 cursor_visible_phase = !cursor_visible_phase;
2148
2149 QTAILQ_FOREACH(s, &consoles, next) {
2150 if (qemu_console_is_graphic(s) ||
2151 !qemu_console_is_visible(s)) {
2152 continue;
2153 }
2154 count++;
2155 graphic_hw_invalidate(s);
2156 }
2157
2158 if (count) {
2159 text_console_update_cursor_timer();
2160 }
2161 }
2162
2163 static const GraphicHwOps text_console_ops = {
2164 .invalidate = text_console_invalidate,
2165 .text_update = text_console_update,
2166 };
2167
2168 static void text_console_do_init(Chardev *chr, DisplayState *ds)
2169 {
2170 VCChardev *drv = VC_CHARDEV(chr);
2171 QemuConsole *s = drv->console;
2172 int g_width = 80 * FONT_WIDTH;
2173 int g_height = 24 * FONT_HEIGHT;
2174
2175 s->out_fifo.buf = s->out_fifo_buf;
2176 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
2177 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
2178 s->ds = ds;
2179
2180 s->y_displayed = 0;
2181 s->y_base = 0;
2182 s->total_height = DEFAULT_BACKSCROLL;
2183 s->x = 0;
2184 s->y = 0;
2185 if (!s->surface) {
2186 if (active_console && active_console->surface) {
2187 g_width = surface_width(active_console->surface);
2188 g_height = surface_height(active_console->surface);
2189 }
2190 s->surface = qemu_create_displaysurface(g_width, g_height);
2191 }
2192
2193 s->hw_ops = &text_console_ops;
2194 s->hw = s;
2195
2196 /* Set text attribute defaults */
2197 s->t_attrib_default.bold = 0;
2198 s->t_attrib_default.uline = 0;
2199 s->t_attrib_default.blink = 0;
2200 s->t_attrib_default.invers = 0;
2201 s->t_attrib_default.unvisible = 0;
2202 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2203 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2204 /* set current text attributes to default */
2205 s->t_attrib = s->t_attrib_default;
2206 text_console_resize(s);
2207
2208 if (chr->label) {
2209 char msg[128];
2210 int len;
2211
2212 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2213 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
2214 vc_chr_write(chr, (uint8_t *)msg, len);
2215 s->t_attrib = s->t_attrib_default;
2216 }
2217
2218 qemu_chr_be_event(chr, CHR_EVENT_OPENED);
2219 }
2220
2221 static void vc_chr_open(Chardev *chr,
2222 ChardevBackend *backend,
2223 bool *be_opened,
2224 Error **errp)
2225 {
2226 ChardevVC *vc = backend->u.vc.data;
2227 VCChardev *drv = VC_CHARDEV(chr);
2228 QemuConsole *s;
2229 unsigned width = 0;
2230 unsigned height = 0;
2231
2232 if (vc->has_width) {
2233 width = vc->width;
2234 } else if (vc->has_cols) {
2235 width = vc->cols * FONT_WIDTH;
2236 }
2237
2238 if (vc->has_height) {
2239 height = vc->height;
2240 } else if (vc->has_rows) {
2241 height = vc->rows * FONT_HEIGHT;
2242 }
2243
2244 trace_console_txt_new(width, height);
2245 if (width == 0 || height == 0) {
2246 s = new_console(NULL, TEXT_CONSOLE, 0);
2247 } else {
2248 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2249 s->surface = qemu_create_displaysurface(width, height);
2250 }
2251
2252 if (!s) {
2253 error_setg(errp, "cannot create text console");
2254 return;
2255 }
2256
2257 s->chr = chr;
2258 drv->console = s;
2259
2260 if (display_state) {
2261 text_console_do_init(chr, display_state);
2262 }
2263
2264 /* console/chardev init sometimes completes elsewhere in a 2nd
2265 * stage, so defer OPENED events until they are fully initialized
2266 */
2267 *be_opened = false;
2268 }
2269
2270 void qemu_console_resize(QemuConsole *s, int width, int height)
2271 {
2272 DisplaySurface *surface;
2273
2274 assert(s->console_type == GRAPHIC_CONSOLE);
2275
2276 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) &&
2277 pixman_image_get_width(s->surface->image) == width &&
2278 pixman_image_get_height(s->surface->image) == height) {
2279 return;
2280 }
2281
2282 surface = qemu_create_displaysurface(width, height);
2283 dpy_gfx_replace_surface(s, surface);
2284 }
2285
2286 DisplaySurface *qemu_console_surface(QemuConsole *console)
2287 {
2288 return console->surface;
2289 }
2290
2291 PixelFormat qemu_default_pixelformat(int bpp)
2292 {
2293 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2294 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2295 return pf;
2296 }
2297
2298 static QemuDisplay *dpys[DISPLAY_TYPE__MAX];
2299
2300 void qemu_display_register(QemuDisplay *ui)
2301 {
2302 assert(ui->type < DISPLAY_TYPE__MAX);
2303 dpys[ui->type] = ui;
2304 }
2305
2306 bool qemu_display_find_default(DisplayOptions *opts)
2307 {
2308 static DisplayType prio[] = {
2309 DISPLAY_TYPE_GTK,
2310 DISPLAY_TYPE_SDL,
2311 DISPLAY_TYPE_COCOA
2312 };
2313 int i;
2314
2315 for (i = 0; i < ARRAY_SIZE(prio); i++) {
2316 if (dpys[prio[i]] == NULL) {
2317 ui_module_load_one(DisplayType_lookup.array[prio[i]]);
2318 }
2319 if (dpys[prio[i]] == NULL) {
2320 continue;
2321 }
2322 opts->type = prio[i];
2323 return true;
2324 }
2325 return false;
2326 }
2327
2328 void qemu_display_early_init(DisplayOptions *opts)
2329 {
2330 assert(opts->type < DISPLAY_TYPE__MAX);
2331 if (opts->type == DISPLAY_TYPE_NONE) {
2332 return;
2333 }
2334 if (dpys[opts->type] == NULL) {
2335 ui_module_load_one(DisplayType_lookup.array[opts->type]);
2336 }
2337 if (dpys[opts->type] == NULL) {
2338 error_report("Display '%s' is not available.",
2339 DisplayType_lookup.array[opts->type]);
2340 exit(1);
2341 }
2342 if (dpys[opts->type]->early_init) {
2343 dpys[opts->type]->early_init(opts);
2344 }
2345 }
2346
2347 void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
2348 {
2349 assert(opts->type < DISPLAY_TYPE__MAX);
2350 if (opts->type == DISPLAY_TYPE_NONE) {
2351 return;
2352 }
2353 assert(dpys[opts->type] != NULL);
2354 dpys[opts->type]->init(ds, opts);
2355 }
2356
2357 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
2358 {
2359 int val;
2360 ChardevVC *vc;
2361
2362 backend->type = CHARDEV_BACKEND_KIND_VC;
2363 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2364 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2365
2366 val = qemu_opt_get_number(opts, "width", 0);
2367 if (val != 0) {
2368 vc->has_width = true;
2369 vc->width = val;
2370 }
2371
2372 val = qemu_opt_get_number(opts, "height", 0);
2373 if (val != 0) {
2374 vc->has_height = true;
2375 vc->height = val;
2376 }
2377
2378 val = qemu_opt_get_number(opts, "cols", 0);
2379 if (val != 0) {
2380 vc->has_cols = true;
2381 vc->cols = val;
2382 }
2383
2384 val = qemu_opt_get_number(opts, "rows", 0);
2385 if (val != 0) {
2386 vc->has_rows = true;
2387 vc->rows = val;
2388 }
2389 }
2390
2391 static const TypeInfo qemu_console_info = {
2392 .name = TYPE_QEMU_CONSOLE,
2393 .parent = TYPE_OBJECT,
2394 .instance_size = sizeof(QemuConsole),
2395 .class_size = sizeof(QemuConsoleClass),
2396 };
2397
2398 static void char_vc_class_init(ObjectClass *oc, void *data)
2399 {
2400 ChardevClass *cc = CHARDEV_CLASS(oc);
2401
2402 cc->parse = qemu_chr_parse_vc;
2403 cc->open = vc_chr_open;
2404 cc->chr_write = vc_chr_write;
2405 cc->chr_set_echo = vc_chr_set_echo;
2406 }
2407
2408 static const TypeInfo char_vc_type_info = {
2409 .name = TYPE_CHARDEV_VC,
2410 .parent = TYPE_CHARDEV,
2411 .instance_size = sizeof(VCChardev),
2412 .class_init = char_vc_class_init,
2413 };
2414
2415 void qemu_console_early_init(void)
2416 {
2417 /* set the default vc driver */
2418 if (!object_class_by_name(TYPE_CHARDEV_VC)) {
2419 type_register(&char_vc_type_info);
2420 }
2421 }
2422
2423 static void register_types(void)
2424 {
2425 type_register_static(&qemu_console_info);
2426 }
2427
2428 type_init(register_types);
QEmu