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monitor: Fix tracepoint crash on JSON syntax error
[qemu/armbru.git] / ui / console.c
blobbc58458ee84decf4fc72866403a35190048823ac
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 if (!surface) {
376 error_setg(errp, "no surface");
377 return;
378 }
379
380 ppm_save(filename, surface, errp);
381 }
382
383 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
384 {
385 if (!con) {
386 con = active_console;
387 }
388 if (con && con->hw_ops->text_update) {
389 con->hw_ops->text_update(con->hw, chardata);
390 }
391 }
392
393 static void vga_fill_rect(QemuConsole *con,
394 int posx, int posy, int width, int height,
395 pixman_color_t color)
396 {
397 DisplaySurface *surface = qemu_console_surface(con);
398 pixman_rectangle16_t rect = {
399 .x = posx, .y = posy, .width = width, .height = height
400 };
401
402 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
403 &color, 1, &rect);
404 }
405
406 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
407 static void vga_bitblt(QemuConsole *con,
408 int xs, int ys, int xd, int yd, int w, int h)
409 {
410 DisplaySurface *surface = qemu_console_surface(con);
411
412 pixman_image_composite(PIXMAN_OP_SRC,
413 surface->image, NULL, surface->image,
414 xs, ys, 0, 0, xd, yd, w, h);
415 }
416
417 /***********************************************************/
418 /* basic char display */
419
420 #define FONT_HEIGHT 16
421 #define FONT_WIDTH 8
422
423 #include "vgafont.h"
424
425 #define QEMU_RGB(r, g, b) \
426 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
427
428 static const pixman_color_t color_table_rgb[2][8] = {
429 { /* dark */
430 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
431 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
432 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
433 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
434 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
435 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
436 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
437 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
438 },
439 { /* bright */
440 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
441 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
442 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
443 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
444 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
445 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
446 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
447 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
448 }
449 };
450
451 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
452 TextAttributes *t_attrib)
453 {
454 static pixman_image_t *glyphs[256];
455 DisplaySurface *surface = qemu_console_surface(s);
456 pixman_color_t fgcol, bgcol;
457
458 if (t_attrib->invers) {
459 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
460 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
461 } else {
462 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
463 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
464 }
465
466 if (!glyphs[ch]) {
467 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
468 }
469 qemu_pixman_glyph_render(glyphs[ch], surface->image,
470 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
471 }
472
473 static void text_console_resize(QemuConsole *s)
474 {
475 TextCell *cells, *c, *c1;
476 int w1, x, y, last_width;
477
478 last_width = s->width;
479 s->width = surface_width(s->surface) / FONT_WIDTH;
480 s->height = surface_height(s->surface) / FONT_HEIGHT;
481
482 w1 = last_width;
483 if (s->width < w1)
484 w1 = s->width;
485
486 cells = g_new(TextCell, s->width * s->total_height);
487 for(y = 0; y < s->total_height; y++) {
488 c = &cells[y * s->width];
489 if (w1 > 0) {
490 c1 = &s->cells[y * last_width];
491 for(x = 0; x < w1; x++) {
492 *c++ = *c1++;
493 }
494 }
495 for(x = w1; x < s->width; x++) {
496 c->ch = ' ';
497 c->t_attrib = s->t_attrib_default;
498 c++;
499 }
500 }
501 g_free(s->cells);
502 s->cells = cells;
503 }
504
505 static inline void text_update_xy(QemuConsole *s, int x, int y)
506 {
507 s->text_x[0] = MIN(s->text_x[0], x);
508 s->text_x[1] = MAX(s->text_x[1], x);
509 s->text_y[0] = MIN(s->text_y[0], y);
510 s->text_y[1] = MAX(s->text_y[1], y);
511 }
512
513 static void invalidate_xy(QemuConsole *s, int x, int y)
514 {
515 if (!qemu_console_is_visible(s)) {
516 return;
517 }
518 if (s->update_x0 > x * FONT_WIDTH)
519 s->update_x0 = x * FONT_WIDTH;
520 if (s->update_y0 > y * FONT_HEIGHT)
521 s->update_y0 = y * FONT_HEIGHT;
522 if (s->update_x1 < (x + 1) * FONT_WIDTH)
523 s->update_x1 = (x + 1) * FONT_WIDTH;
524 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
525 s->update_y1 = (y + 1) * FONT_HEIGHT;
526 }
527
528 static void update_xy(QemuConsole *s, int x, int y)
529 {
530 TextCell *c;
531 int y1, y2;
532
533 if (s->ds->have_text) {
534 text_update_xy(s, x, y);
535 }
536
537 y1 = (s->y_base + y) % s->total_height;
538 y2 = y1 - s->y_displayed;
539 if (y2 < 0) {
540 y2 += s->total_height;
541 }
542 if (y2 < s->height) {
543 c = &s->cells[y1 * s->width + x];
544 vga_putcharxy(s, x, y2, c->ch,
545 &(c->t_attrib));
546 invalidate_xy(s, x, y2);
547 }
548 }
549
550 static void console_show_cursor(QemuConsole *s, int show)
551 {
552 TextCell *c;
553 int y, y1;
554 int x = s->x;
555
556 if (s->ds->have_text) {
557 s->cursor_invalidate = 1;
558 }
559
560 if (x >= s->width) {
561 x = s->width - 1;
562 }
563 y1 = (s->y_base + s->y) % s->total_height;
564 y = y1 - s->y_displayed;
565 if (y < 0) {
566 y += s->total_height;
567 }
568 if (y < s->height) {
569 c = &s->cells[y1 * s->width + x];
570 if (show && cursor_visible_phase) {
571 TextAttributes t_attrib = s->t_attrib_default;
572 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
573 vga_putcharxy(s, x, y, c->ch, &t_attrib);
574 } else {
575 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
576 }
577 invalidate_xy(s, x, y);
578 }
579 }
580
581 static void console_refresh(QemuConsole *s)
582 {
583 DisplaySurface *surface = qemu_console_surface(s);
584 TextCell *c;
585 int x, y, y1;
586
587 if (s->ds->have_text) {
588 s->text_x[0] = 0;
589 s->text_y[0] = 0;
590 s->text_x[1] = s->width - 1;
591 s->text_y[1] = s->height - 1;
592 s->cursor_invalidate = 1;
593 }
594
595 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
596 color_table_rgb[0][QEMU_COLOR_BLACK]);
597 y1 = s->y_displayed;
598 for (y = 0; y < s->height; y++) {
599 c = s->cells + y1 * s->width;
600 for (x = 0; x < s->width; x++) {
601 vga_putcharxy(s, x, y, c->ch,
602 &(c->t_attrib));
603 c++;
604 }
605 if (++y1 == s->total_height) {
606 y1 = 0;
607 }
608 }
609 console_show_cursor(s, 1);
610 dpy_gfx_update(s, 0, 0,
611 surface_width(surface), surface_height(surface));
612 }
613
614 static void console_scroll(QemuConsole *s, int ydelta)
615 {
616 int i, y1;
617
618 if (ydelta > 0) {
619 for(i = 0; i < ydelta; i++) {
620 if (s->y_displayed == s->y_base)
621 break;
622 if (++s->y_displayed == s->total_height)
623 s->y_displayed = 0;
624 }
625 } else {
626 ydelta = -ydelta;
627 i = s->backscroll_height;
628 if (i > s->total_height - s->height)
629 i = s->total_height - s->height;
630 y1 = s->y_base - i;
631 if (y1 < 0)
632 y1 += s->total_height;
633 for(i = 0; i < ydelta; i++) {
634 if (s->y_displayed == y1)
635 break;
636 if (--s->y_displayed < 0)
637 s->y_displayed = s->total_height - 1;
638 }
639 }
640 console_refresh(s);
641 }
642
643 static void console_put_lf(QemuConsole *s)
644 {
645 TextCell *c;
646 int x, y1;
647
648 s->y++;
649 if (s->y >= s->height) {
650 s->y = s->height - 1;
651
652 if (s->y_displayed == s->y_base) {
653 if (++s->y_displayed == s->total_height)
654 s->y_displayed = 0;
655 }
656 if (++s->y_base == s->total_height)
657 s->y_base = 0;
658 if (s->backscroll_height < s->total_height)
659 s->backscroll_height++;
660 y1 = (s->y_base + s->height - 1) % s->total_height;
661 c = &s->cells[y1 * s->width];
662 for(x = 0; x < s->width; x++) {
663 c->ch = ' ';
664 c->t_attrib = s->t_attrib_default;
665 c++;
666 }
667 if (s->y_displayed == s->y_base) {
668 if (s->ds->have_text) {
669 s->text_x[0] = 0;
670 s->text_y[0] = 0;
671 s->text_x[1] = s->width - 1;
672 s->text_y[1] = s->height - 1;
673 }
674
675 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
676 s->width * FONT_WIDTH,
677 (s->height - 1) * FONT_HEIGHT);
678 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
679 s->width * FONT_WIDTH, FONT_HEIGHT,
680 color_table_rgb[0][s->t_attrib_default.bgcol]);
681 s->update_x0 = 0;
682 s->update_y0 = 0;
683 s->update_x1 = s->width * FONT_WIDTH;
684 s->update_y1 = s->height * FONT_HEIGHT;
685 }
686 }
687 }
688
689 /* Set console attributes depending on the current escape codes.
690 * NOTE: I know this code is not very efficient (checking every color for it
691 * self) but it is more readable and better maintainable.
692 */
693 static void console_handle_escape(QemuConsole *s)
694 {
695 int i;
696
697 for (i=0; i<s->nb_esc_params; i++) {
698 switch (s->esc_params[i]) {
699 case 0: /* reset all console attributes to default */
700 s->t_attrib = s->t_attrib_default;
701 break;
702 case 1:
703 s->t_attrib.bold = 1;
704 break;
705 case 4:
706 s->t_attrib.uline = 1;
707 break;
708 case 5:
709 s->t_attrib.blink = 1;
710 break;
711 case 7:
712 s->t_attrib.invers = 1;
713 break;
714 case 8:
715 s->t_attrib.unvisible = 1;
716 break;
717 case 22:
718 s->t_attrib.bold = 0;
719 break;
720 case 24:
721 s->t_attrib.uline = 0;
722 break;
723 case 25:
724 s->t_attrib.blink = 0;
725 break;
726 case 27:
727 s->t_attrib.invers = 0;
728 break;
729 case 28:
730 s->t_attrib.unvisible = 0;
731 break;
732 /* set foreground color */
733 case 30:
734 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
735 break;
736 case 31:
737 s->t_attrib.fgcol = QEMU_COLOR_RED;
738 break;
739 case 32:
740 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
741 break;
742 case 33:
743 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
744 break;
745 case 34:
746 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
747 break;
748 case 35:
749 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
750 break;
751 case 36:
752 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
753 break;
754 case 37:
755 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
756 break;
757 /* set background color */
758 case 40:
759 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
760 break;
761 case 41:
762 s->t_attrib.bgcol = QEMU_COLOR_RED;
763 break;
764 case 42:
765 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
766 break;
767 case 43:
768 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
769 break;
770 case 44:
771 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
772 break;
773 case 45:
774 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
775 break;
776 case 46:
777 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
778 break;
779 case 47:
780 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
781 break;
782 }
783 }
784 }
785
786 static void console_clear_xy(QemuConsole *s, int x, int y)
787 {
788 int y1 = (s->y_base + y) % s->total_height;
789 TextCell *c = &s->cells[y1 * s->width + x];
790 c->ch = ' ';
791 c->t_attrib = s->t_attrib_default;
792 update_xy(s, x, y);
793 }
794
795 static void console_put_one(QemuConsole *s, int ch)
796 {
797 TextCell *c;
798 int y1;
799 if (s->x >= s->width) {
800 /* line wrap */
801 s->x = 0;
802 console_put_lf(s);
803 }
804 y1 = (s->y_base + s->y) % s->total_height;
805 c = &s->cells[y1 * s->width + s->x];
806 c->ch = ch;
807 c->t_attrib = s->t_attrib;
808 update_xy(s, s->x, s->y);
809 s->x++;
810 }
811
812 static void console_respond_str(QemuConsole *s, const char *buf)
813 {
814 while (*buf) {
815 console_put_one(s, *buf);
816 buf++;
817 }
818 }
819
820 /* set cursor, checking bounds */
821 static void set_cursor(QemuConsole *s, int x, int y)
822 {
823 if (x < 0) {
824 x = 0;
825 }
826 if (y < 0) {
827 y = 0;
828 }
829 if (y >= s->height) {
830 y = s->height - 1;
831 }
832 if (x >= s->width) {
833 x = s->width - 1;
834 }
835
836 s->x = x;
837 s->y = y;
838 }
839
840 static void console_putchar(QemuConsole *s, int ch)
841 {
842 int i;
843 int x, y;
844 char response[40];
845
846 switch(s->state) {
847 case TTY_STATE_NORM:
848 switch(ch) {
849 case '\r': /* carriage return */
850 s->x = 0;
851 break;
852 case '\n': /* newline */
853 console_put_lf(s);
854 break;
855 case '\b': /* backspace */
856 if (s->x > 0)
857 s->x--;
858 break;
859 case '\t': /* tabspace */
860 if (s->x + (8 - (s->x % 8)) > s->width) {
861 s->x = 0;
862 console_put_lf(s);
863 } else {
864 s->x = s->x + (8 - (s->x % 8));
865 }
866 break;
867 case '\a': /* alert aka. bell */
868 /* TODO: has to be implemented */
869 break;
870 case 14:
871 /* SI (shift in), character set 0 (ignored) */
872 break;
873 case 15:
874 /* SO (shift out), character set 1 (ignored) */
875 break;
876 case 27: /* esc (introducing an escape sequence) */
877 s->state = TTY_STATE_ESC;
878 break;
879 default:
880 console_put_one(s, ch);
881 break;
882 }
883 break;
884 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
885 if (ch == '[') {
886 for(i=0;i<MAX_ESC_PARAMS;i++)
887 s->esc_params[i] = 0;
888 s->nb_esc_params = 0;
889 s->state = TTY_STATE_CSI;
890 } else {
891 s->state = TTY_STATE_NORM;
892 }
893 break;
894 case TTY_STATE_CSI: /* handle escape sequence parameters */
895 if (ch >= '0' && ch <= '9') {
896 if (s->nb_esc_params < MAX_ESC_PARAMS) {
897 int *param = &s->esc_params[s->nb_esc_params];
898 int digit = (ch - '0');
899
900 *param = (*param <= (INT_MAX - digit) / 10) ?
901 *param * 10 + digit : INT_MAX;
902 }
903 } else {
904 if (s->nb_esc_params < MAX_ESC_PARAMS)
905 s->nb_esc_params++;
906 if (ch == ';' || ch == '?') {
907 break;
908 }
909 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
910 ch, s->nb_esc_params);
911 s->state = TTY_STATE_NORM;
912 switch(ch) {
913 case 'A':
914 /* move cursor up */
915 if (s->esc_params[0] == 0) {
916 s->esc_params[0] = 1;
917 }
918 set_cursor(s, s->x, s->y - s->esc_params[0]);
919 break;
920 case 'B':
921 /* move cursor down */
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 'C':
928 /* move cursor right */
929 if (s->esc_params[0] == 0) {
930 s->esc_params[0] = 1;
931 }
932 set_cursor(s, s->x + s->esc_params[0], s->y);
933 break;
934 case 'D':
935 /* move cursor left */
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 'G':
942 /* move cursor to column */
943 set_cursor(s, s->esc_params[0] - 1, s->y);
944 break;
945 case 'f':
946 case 'H':
947 /* move cursor to row, column */
948 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
949 break;
950 case 'J':
951 switch (s->esc_params[0]) {
952 case 0:
953 /* clear to end of screen */
954 for (y = s->y; y < s->height; y++) {
955 for (x = 0; x < s->width; x++) {
956 if (y == s->y && x < s->x) {
957 continue;
958 }
959 console_clear_xy(s, x, y);
960 }
961 }
962 break;
963 case 1:
964 /* clear from beginning of screen */
965 for (y = 0; y <= s->y; y++) {
966 for (x = 0; x < s->width; x++) {
967 if (y == s->y && x > s->x) {
968 break;
969 }
970 console_clear_xy(s, x, y);
971 }
972 }
973 break;
974 case 2:
975 /* clear entire screen */
976 for (y = 0; y <= s->height; y++) {
977 for (x = 0; x < s->width; x++) {
978 console_clear_xy(s, x, y);
979 }
980 }
981 break;
982 }
983 break;
984 case 'K':
985 switch (s->esc_params[0]) {
986 case 0:
987 /* clear to eol */
988 for(x = s->x; x < s->width; x++) {
989 console_clear_xy(s, x, s->y);
990 }
991 break;
992 case 1:
993 /* clear from beginning of line */
994 for (x = 0; x <= s->x; x++) {
995 console_clear_xy(s, x, s->y);
996 }
997 break;
998 case 2:
999 /* clear entire line */
1000 for(x = 0; x < s->width; x++) {
1001 console_clear_xy(s, x, s->y);
1002 }
1003 break;
1004 }
1005 break;
1006 case 'm':
1007 console_handle_escape(s);
1008 break;
1009 case 'n':
1010 switch (s->esc_params[0]) {
1011 case 5:
1012 /* report console status (always succeed)*/
1013 console_respond_str(s, "\033[0n");
1014 break;
1015 case 6:
1016 /* report cursor position */
1017 sprintf(response, "\033[%d;%dR",
1018 (s->y_base + s->y) % s->total_height + 1,
1019 s->x + 1);
1020 console_respond_str(s, response);
1021 break;
1022 }
1023 break;
1024 case 's':
1025 /* save cursor position */
1026 s->x_saved = s->x;
1027 s->y_saved = s->y;
1028 break;
1029 case 'u':
1030 /* restore cursor position */
1031 s->x = s->x_saved;
1032 s->y = s->y_saved;
1033 break;
1034 default:
1035 trace_console_putchar_unhandled(ch);
1036 break;
1037 }
1038 break;
1039 }
1040 }
1041 }
1042
1043 void console_select(unsigned int index)
1044 {
1045 DisplayChangeListener *dcl;
1046 QemuConsole *s;
1047
1048 trace_console_select(index);
1049 s = qemu_console_lookup_by_index(index);
1050 if (s) {
1051 DisplayState *ds = s->ds;
1052
1053 active_console = s;
1054 if (ds->have_gfx) {
1055 QLIST_FOREACH(dcl, &ds->listeners, next) {
1056 if (dcl->con != NULL) {
1057 continue;
1058 }
1059 if (dcl->ops->dpy_gfx_switch) {
1060 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1061 }
1062 }
1063 if (s->surface) {
1064 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1065 surface_height(s->surface));
1066 }
1067 }
1068 if (ds->have_text) {
1069 dpy_text_resize(s, s->width, s->height);
1070 }
1071 text_console_update_cursor(NULL);
1072 }
1073 }
1074
1075 typedef struct VCChardev {
1076 Chardev parent;
1077 QemuConsole *console;
1078 } VCChardev;
1079
1080 #define TYPE_CHARDEV_VC "chardev-vc"
1081 #define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
1082
1083 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1084 {
1085 VCChardev *drv = VC_CHARDEV(chr);
1086 QemuConsole *s = drv->console;
1087 int i;
1088
1089 if (!s->ds) {
1090 return 0;
1091 }
1092
1093 s->update_x0 = s->width * FONT_WIDTH;
1094 s->update_y0 = s->height * FONT_HEIGHT;
1095 s->update_x1 = 0;
1096 s->update_y1 = 0;
1097 console_show_cursor(s, 0);
1098 for(i = 0; i < len; i++) {
1099 console_putchar(s, buf[i]);
1100 }
1101 console_show_cursor(s, 1);
1102 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1103 dpy_gfx_update(s, s->update_x0, s->update_y0,
1104 s->update_x1 - s->update_x0,
1105 s->update_y1 - s->update_y0);
1106 }
1107 return len;
1108 }
1109
1110 static void kbd_send_chars(void *opaque)
1111 {
1112 QemuConsole *s = opaque;
1113 int len;
1114 uint8_t buf[16];
1115
1116 len = qemu_chr_be_can_write(s->chr);
1117 if (len > s->out_fifo.count)
1118 len = s->out_fifo.count;
1119 if (len > 0) {
1120 if (len > sizeof(buf))
1121 len = sizeof(buf);
1122 qemu_fifo_read(&s->out_fifo, buf, len);
1123 qemu_chr_be_write(s->chr, buf, len);
1124 }
1125 /* characters are pending: we send them a bit later (XXX:
1126 horrible, should change char device API) */
1127 if (s->out_fifo.count > 0) {
1128 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1129 }
1130 }
1131
1132 /* called when an ascii key is pressed */
1133 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1134 {
1135 uint8_t buf[16], *q;
1136 CharBackend *be;
1137 int c;
1138
1139 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1140 return;
1141
1142 switch(keysym) {
1143 case QEMU_KEY_CTRL_UP:
1144 console_scroll(s, -1);
1145 break;
1146 case QEMU_KEY_CTRL_DOWN:
1147 console_scroll(s, 1);
1148 break;
1149 case QEMU_KEY_CTRL_PAGEUP:
1150 console_scroll(s, -10);
1151 break;
1152 case QEMU_KEY_CTRL_PAGEDOWN:
1153 console_scroll(s, 10);
1154 break;
1155 default:
1156 /* convert the QEMU keysym to VT100 key string */
1157 q = buf;
1158 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1159 *q++ = '\033';
1160 *q++ = '[';
1161 c = keysym - 0xe100;
1162 if (c >= 10)
1163 *q++ = '0' + (c / 10);
1164 *q++ = '0' + (c % 10);
1165 *q++ = '~';
1166 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1167 *q++ = '\033';
1168 *q++ = '[';
1169 *q++ = keysym & 0xff;
1170 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1171 vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
1172 *q++ = '\n';
1173 } else {
1174 *q++ = keysym;
1175 }
1176 if (s->echo) {
1177 vc_chr_write(s->chr, buf, q - buf);
1178 }
1179 be = s->chr->be;
1180 if (be && be->chr_read) {
1181 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1182 kbd_send_chars(s);
1183 }
1184 break;
1185 }
1186 }
1187
1188 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1189 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1190 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1191 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1192 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1193 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1194 [Q_KEY_CODE_END] = QEMU_KEY_END,
1195 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1196 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1197 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1198 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1199 };
1200
1201 static const int ctrl_qcode_to_keysym[Q_KEY_CODE__MAX] = {
1202 [Q_KEY_CODE_UP] = QEMU_KEY_CTRL_UP,
1203 [Q_KEY_CODE_DOWN] = QEMU_KEY_CTRL_DOWN,
1204 [Q_KEY_CODE_RIGHT] = QEMU_KEY_CTRL_RIGHT,
1205 [Q_KEY_CODE_LEFT] = QEMU_KEY_CTRL_LEFT,
1206 [Q_KEY_CODE_HOME] = QEMU_KEY_CTRL_HOME,
1207 [Q_KEY_CODE_END] = QEMU_KEY_CTRL_END,
1208 [Q_KEY_CODE_PGUP] = QEMU_KEY_CTRL_PAGEUP,
1209 [Q_KEY_CODE_PGDN] = QEMU_KEY_CTRL_PAGEDOWN,
1210 };
1211
1212 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl)
1213 {
1214 int keysym;
1215
1216 keysym = ctrl ? ctrl_qcode_to_keysym[qcode] : qcode_to_keysym[qcode];
1217 if (keysym == 0) {
1218 return false;
1219 }
1220 kbd_put_keysym_console(s, keysym);
1221 return true;
1222 }
1223
1224 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1225 {
1226 int i;
1227
1228 for (i = 0; i < len && str[i]; i++) {
1229 kbd_put_keysym_console(s, str[i]);
1230 }
1231 }
1232
1233 void kbd_put_keysym(int keysym)
1234 {
1235 kbd_put_keysym_console(active_console, keysym);
1236 }
1237
1238 static void text_console_invalidate(void *opaque)
1239 {
1240 QemuConsole *s = (QemuConsole *) opaque;
1241
1242 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1243 text_console_resize(s);
1244 }
1245 console_refresh(s);
1246 }
1247
1248 static void text_console_update(void *opaque, console_ch_t *chardata)
1249 {
1250 QemuConsole *s = (QemuConsole *) opaque;
1251 int i, j, src;
1252
1253 if (s->text_x[0] <= s->text_x[1]) {
1254 src = (s->y_base + s->text_y[0]) * s->width;
1255 chardata += s->text_y[0] * s->width;
1256 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1257 for (j = 0; j < s->width; j++, src++) {
1258 console_write_ch(chardata ++,
1259 ATTR2CHTYPE(s->cells[src].ch,
1260 s->cells[src].t_attrib.fgcol,
1261 s->cells[src].t_attrib.bgcol,
1262 s->cells[src].t_attrib.bold));
1263 }
1264 dpy_text_update(s, s->text_x[0], s->text_y[0],
1265 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1266 s->text_x[0] = s->width;
1267 s->text_y[0] = s->height;
1268 s->text_x[1] = 0;
1269 s->text_y[1] = 0;
1270 }
1271 if (s->cursor_invalidate) {
1272 dpy_text_cursor(s, s->x, s->y);
1273 s->cursor_invalidate = 0;
1274 }
1275 }
1276
1277 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1278 uint32_t head)
1279 {
1280 Object *obj;
1281 QemuConsole *s;
1282 int i;
1283
1284 obj = object_new(TYPE_QEMU_CONSOLE);
1285 s = QEMU_CONSOLE(obj);
1286 s->head = head;
1287 object_property_add_link(obj, "device", TYPE_DEVICE,
1288 (Object **)&s->device,
1289 object_property_allow_set_link,
1290 OBJ_PROP_LINK_STRONG,
1291 &error_abort);
1292 object_property_add_uint32_ptr(obj, "head",
1293 &s->head, &error_abort);
1294
1295 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1296 (console_type == GRAPHIC_CONSOLE))) {
1297 active_console = s;
1298 }
1299 s->ds = ds;
1300 s->console_type = console_type;
1301
1302 if (QTAILQ_EMPTY(&consoles)) {
1303 s->index = 0;
1304 QTAILQ_INSERT_TAIL(&consoles, s, next);
1305 } else if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) {
1306 QemuConsole *last = QTAILQ_LAST(&consoles, consoles_head);
1307 s->index = last->index + 1;
1308 QTAILQ_INSERT_TAIL(&consoles, s, next);
1309 } else {
1310 /*
1311 * HACK: Put graphical consoles before text consoles.
1312 *
1313 * Only do that for coldplugged devices. After initial device
1314 * initialization we will not renumber the consoles any more.
1315 */
1316 QemuConsole *c = QTAILQ_FIRST(&consoles);
1317
1318 while (QTAILQ_NEXT(c, next) != NULL &&
1319 c->console_type == GRAPHIC_CONSOLE) {
1320 c = QTAILQ_NEXT(c, next);
1321 }
1322 if (c->console_type == GRAPHIC_CONSOLE) {
1323 /* have no text consoles */
1324 s->index = c->index + 1;
1325 QTAILQ_INSERT_AFTER(&consoles, c, s, next);
1326 } else {
1327 s->index = c->index;
1328 QTAILQ_INSERT_BEFORE(c, s, next);
1329 /* renumber text consoles */
1330 for (i = s->index + 1; c != NULL; c = QTAILQ_NEXT(c, next), i++) {
1331 c->index = i;
1332 }
1333 }
1334 }
1335 return s;
1336 }
1337
1338 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1339 {
1340 qemu_pixman_image_unref(surface->image);
1341 surface->image = NULL;
1342
1343 surface->format = PIXMAN_x8r8g8b8;
1344 surface->image = pixman_image_create_bits(surface->format,
1345 width, height,
1346 NULL, width * 4);
1347 assert(surface->image != NULL);
1348
1349 surface->flags = QEMU_ALLOCATED_FLAG;
1350 }
1351
1352 DisplaySurface *qemu_create_displaysurface(int width, int height)
1353 {
1354 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1355
1356 trace_displaysurface_create(surface, width, height);
1357 qemu_alloc_display(surface, width, height);
1358 return surface;
1359 }
1360
1361 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1362 pixman_format_code_t format,
1363 int linesize, uint8_t *data)
1364 {
1365 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1366
1367 trace_displaysurface_create_from(surface, width, height, format);
1368 surface->format = format;
1369 surface->image = pixman_image_create_bits(surface->format,
1370 width, height,
1371 (void *)data, linesize);
1372 assert(surface->image != NULL);
1373
1374 return surface;
1375 }
1376
1377 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1378 {
1379 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1380
1381 trace_displaysurface_create_pixman(surface);
1382 surface->format = pixman_image_get_format(image);
1383 surface->image = pixman_image_ref(image);
1384
1385 return surface;
1386 }
1387
1388 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image,
1389 void *unused)
1390 {
1391 void *data = pixman_image_get_data(image);
1392 uint32_t size = pixman_image_get_stride(image) *
1393 pixman_image_get_height(image);
1394 cpu_physical_memory_unmap(data, size, 0, 0);
1395 }
1396
1397 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
1398 pixman_format_code_t format,
1399 int linesize, uint64_t addr)
1400 {
1401 DisplaySurface *surface;
1402 hwaddr size;
1403 void *data;
1404
1405 if (linesize == 0) {
1406 linesize = width * PIXMAN_FORMAT_BPP(format) / 8;
1407 }
1408
1409 size = (hwaddr)linesize * height;
1410 data = cpu_physical_memory_map(addr, &size, 0);
1411 if (size != (hwaddr)linesize * height) {
1412 cpu_physical_memory_unmap(data, size, 0, 0);
1413 return NULL;
1414 }
1415
1416 surface = qemu_create_displaysurface_from
1417 (width, height, format, linesize, data);
1418 pixman_image_set_destroy_function
1419 (surface->image, qemu_unmap_displaysurface_guestmem, NULL);
1420
1421 return surface;
1422 }
1423
1424 DisplaySurface *qemu_create_message_surface(int w, int h,
1425 const char *msg)
1426 {
1427 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1428 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1429 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1430 pixman_image_t *glyph;
1431 int len, x, y, i;
1432
1433 len = strlen(msg);
1434 x = (w / FONT_WIDTH - len) / 2;
1435 y = (h / FONT_HEIGHT - 1) / 2;
1436 for (i = 0; i < len; i++) {
1437 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1438 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1439 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1440 qemu_pixman_image_unref(glyph);
1441 }
1442 return surface;
1443 }
1444
1445 void qemu_free_displaysurface(DisplaySurface *surface)
1446 {
1447 if (surface == NULL) {
1448 return;
1449 }
1450 trace_displaysurface_free(surface);
1451 qemu_pixman_image_unref(surface->image);
1452 g_free(surface);
1453 }
1454
1455 bool console_has_gl(QemuConsole *con)
1456 {
1457 return con->gl != NULL;
1458 }
1459
1460 bool console_has_gl_dmabuf(QemuConsole *con)
1461 {
1462 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL;
1463 }
1464
1465 void register_displaychangelistener(DisplayChangeListener *dcl)
1466 {
1467 static const char nodev[] =
1468 "This VM has no graphic display device.";
1469 static DisplaySurface *dummy;
1470 QemuConsole *con;
1471
1472 assert(!dcl->ds);
1473
1474 if (dcl->ops->dpy_gl_ctx_create) {
1475 /* display has opengl support */
1476 assert(dcl->con);
1477 if (dcl->con->gl) {
1478 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1479 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1480 exit(1);
1481 }
1482 dcl->con->gl = dcl;
1483 }
1484
1485 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1486 dcl->ds = get_alloc_displaystate();
1487 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1488 gui_setup_refresh(dcl->ds);
1489 if (dcl->con) {
1490 dcl->con->dcls++;
1491 con = dcl->con;
1492 } else {
1493 con = active_console;
1494 }
1495 if (dcl->ops->dpy_gfx_switch) {
1496 if (con) {
1497 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1498 } else {
1499 if (!dummy) {
1500 dummy = qemu_create_message_surface(640, 480, nodev);
1501 }
1502 dcl->ops->dpy_gfx_switch(dcl, dummy);
1503 }
1504 }
1505 text_console_update_cursor(NULL);
1506 }
1507
1508 void update_displaychangelistener(DisplayChangeListener *dcl,
1509 uint64_t interval)
1510 {
1511 DisplayState *ds = dcl->ds;
1512
1513 dcl->update_interval = interval;
1514 if (!ds->refreshing && ds->update_interval > interval) {
1515 timer_mod(ds->gui_timer, ds->last_update + interval);
1516 }
1517 }
1518
1519 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1520 {
1521 DisplayState *ds = dcl->ds;
1522 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1523 if (dcl->con) {
1524 dcl->con->dcls--;
1525 }
1526 QLIST_REMOVE(dcl, next);
1527 dcl->ds = NULL;
1528 gui_setup_refresh(ds);
1529 }
1530
1531 static void dpy_set_ui_info_timer(void *opaque)
1532 {
1533 QemuConsole *con = opaque;
1534
1535 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1536 }
1537
1538 bool dpy_ui_info_supported(QemuConsole *con)
1539 {
1540 return con->hw_ops->ui_info != NULL;
1541 }
1542
1543 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1544 {
1545 assert(con != NULL);
1546
1547 if (!dpy_ui_info_supported(con)) {
1548 return -1;
1549 }
1550 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1551 /* nothing changed -- ignore */
1552 return 0;
1553 }
1554
1555 /*
1556 * Typically we get a flood of these as the user resizes the window.
1557 * Wait until the dust has settled (one second without updates), then
1558 * go notify the guest.
1559 */
1560 con->ui_info = *info;
1561 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1562 return 0;
1563 }
1564
1565 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1566 {
1567 DisplayState *s = con->ds;
1568 DisplayChangeListener *dcl;
1569 int width = w;
1570 int height = h;
1571
1572 if (con->surface) {
1573 width = surface_width(con->surface);
1574 height = surface_height(con->surface);
1575 }
1576 x = MAX(x, 0);
1577 y = MAX(y, 0);
1578 x = MIN(x, width);
1579 y = MIN(y, height);
1580 w = MIN(w, width - x);
1581 h = MIN(h, height - y);
1582
1583 if (!qemu_console_is_visible(con)) {
1584 return;
1585 }
1586 QLIST_FOREACH(dcl, &s->listeners, next) {
1587 if (con != (dcl->con ? dcl->con : active_console)) {
1588 continue;
1589 }
1590 if (dcl->ops->dpy_gfx_update) {
1591 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1592 }
1593 }
1594 }
1595
1596 void dpy_gfx_update_full(QemuConsole *con)
1597 {
1598 if (!con->surface) {
1599 return;
1600 }
1601 dpy_gfx_update(con, 0, 0,
1602 surface_width(con->surface),
1603 surface_height(con->surface));
1604 }
1605
1606 void dpy_gfx_replace_surface(QemuConsole *con,
1607 DisplaySurface *surface)
1608 {
1609 DisplayState *s = con->ds;
1610 DisplaySurface *old_surface = con->surface;
1611 DisplayChangeListener *dcl;
1612
1613 assert(old_surface != surface || surface == NULL);
1614
1615 con->surface = surface;
1616 QLIST_FOREACH(dcl, &s->listeners, next) {
1617 if (con != (dcl->con ? dcl->con : active_console)) {
1618 continue;
1619 }
1620 if (dcl->ops->dpy_gfx_switch) {
1621 dcl->ops->dpy_gfx_switch(dcl, surface);
1622 }
1623 }
1624 qemu_free_displaysurface(old_surface);
1625 }
1626
1627 bool dpy_gfx_check_format(QemuConsole *con,
1628 pixman_format_code_t format)
1629 {
1630 DisplayChangeListener *dcl;
1631 DisplayState *s = con->ds;
1632
1633 QLIST_FOREACH(dcl, &s->listeners, next) {
1634 if (dcl->con && dcl->con != con) {
1635 /* dcl bound to another console -> skip */
1636 continue;
1637 }
1638 if (dcl->ops->dpy_gfx_check_format) {
1639 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1640 return false;
1641 }
1642 } else {
1643 /* default is to whitelist native 32 bpp only */
1644 if (format != qemu_default_pixman_format(32, true)) {
1645 return false;
1646 }
1647 }
1648 }
1649 return true;
1650 }
1651
1652 static void dpy_refresh(DisplayState *s)
1653 {
1654 DisplayChangeListener *dcl;
1655
1656 QLIST_FOREACH(dcl, &s->listeners, next) {
1657 if (dcl->ops->dpy_refresh) {
1658 dcl->ops->dpy_refresh(dcl);
1659 }
1660 }
1661 }
1662
1663 void dpy_text_cursor(QemuConsole *con, int x, int y)
1664 {
1665 DisplayState *s = con->ds;
1666 DisplayChangeListener *dcl;
1667
1668 if (!qemu_console_is_visible(con)) {
1669 return;
1670 }
1671 QLIST_FOREACH(dcl, &s->listeners, next) {
1672 if (con != (dcl->con ? dcl->con : active_console)) {
1673 continue;
1674 }
1675 if (dcl->ops->dpy_text_cursor) {
1676 dcl->ops->dpy_text_cursor(dcl, x, y);
1677 }
1678 }
1679 }
1680
1681 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1682 {
1683 DisplayState *s = con->ds;
1684 DisplayChangeListener *dcl;
1685
1686 if (!qemu_console_is_visible(con)) {
1687 return;
1688 }
1689 QLIST_FOREACH(dcl, &s->listeners, next) {
1690 if (con != (dcl->con ? dcl->con : active_console)) {
1691 continue;
1692 }
1693 if (dcl->ops->dpy_text_update) {
1694 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1695 }
1696 }
1697 }
1698
1699 void dpy_text_resize(QemuConsole *con, int w, int h)
1700 {
1701 DisplayState *s = con->ds;
1702 DisplayChangeListener *dcl;
1703
1704 if (!qemu_console_is_visible(con)) {
1705 return;
1706 }
1707 QLIST_FOREACH(dcl, &s->listeners, next) {
1708 if (con != (dcl->con ? dcl->con : active_console)) {
1709 continue;
1710 }
1711 if (dcl->ops->dpy_text_resize) {
1712 dcl->ops->dpy_text_resize(dcl, w, h);
1713 }
1714 }
1715 }
1716
1717 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1718 {
1719 DisplayState *s = con->ds;
1720 DisplayChangeListener *dcl;
1721
1722 if (!qemu_console_is_visible(con)) {
1723 return;
1724 }
1725 QLIST_FOREACH(dcl, &s->listeners, next) {
1726 if (con != (dcl->con ? dcl->con : active_console)) {
1727 continue;
1728 }
1729 if (dcl->ops->dpy_mouse_set) {
1730 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1731 }
1732 }
1733 }
1734
1735 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1736 {
1737 DisplayState *s = con->ds;
1738 DisplayChangeListener *dcl;
1739
1740 if (!qemu_console_is_visible(con)) {
1741 return;
1742 }
1743 QLIST_FOREACH(dcl, &s->listeners, next) {
1744 if (con != (dcl->con ? dcl->con : active_console)) {
1745 continue;
1746 }
1747 if (dcl->ops->dpy_cursor_define) {
1748 dcl->ops->dpy_cursor_define(dcl, cursor);
1749 }
1750 }
1751 }
1752
1753 bool dpy_cursor_define_supported(QemuConsole *con)
1754 {
1755 DisplayState *s = con->ds;
1756 DisplayChangeListener *dcl;
1757
1758 QLIST_FOREACH(dcl, &s->listeners, next) {
1759 if (dcl->ops->dpy_cursor_define) {
1760 return true;
1761 }
1762 }
1763 return false;
1764 }
1765
1766 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1767 struct QEMUGLParams *qparams)
1768 {
1769 assert(con->gl);
1770 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1771 }
1772
1773 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1774 {
1775 assert(con->gl);
1776 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1777 }
1778
1779 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1780 {
1781 assert(con->gl);
1782 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1783 }
1784
1785 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1786 {
1787 assert(con->gl);
1788 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1789 }
1790
1791 void dpy_gl_scanout_disable(QemuConsole *con)
1792 {
1793 assert(con->gl);
1794 if (con->gl->ops->dpy_gl_scanout_disable) {
1795 con->gl->ops->dpy_gl_scanout_disable(con->gl);
1796 } else {
1797 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0,
1798 0, 0, 0, 0);
1799 }
1800 }
1801
1802 void dpy_gl_scanout_texture(QemuConsole *con,
1803 uint32_t backing_id,
1804 bool backing_y_0_top,
1805 uint32_t backing_width,
1806 uint32_t backing_height,
1807 uint32_t x, uint32_t y,
1808 uint32_t width, uint32_t height)
1809 {
1810 assert(con->gl);
1811 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id,
1812 backing_y_0_top,
1813 backing_width, backing_height,
1814 x, y, width, height);
1815 }
1816
1817 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1818 QemuDmaBuf *dmabuf)
1819 {
1820 assert(con->gl);
1821 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf);
1822 }
1823
1824 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
1825 bool have_hot, uint32_t hot_x, uint32_t hot_y)
1826 {
1827 assert(con->gl);
1828
1829 if (con->gl->ops->dpy_gl_cursor_dmabuf) {
1830 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf,
1831 have_hot, hot_x, hot_y);
1832 }
1833 }
1834
1835 void dpy_gl_cursor_position(QemuConsole *con,
1836 uint32_t pos_x, uint32_t pos_y)
1837 {
1838 assert(con->gl);
1839
1840 if (con->gl->ops->dpy_gl_cursor_position) {
1841 con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y);
1842 }
1843 }
1844
1845 void dpy_gl_release_dmabuf(QemuConsole *con,
1846 QemuDmaBuf *dmabuf)
1847 {
1848 assert(con->gl);
1849
1850 if (con->gl->ops->dpy_gl_release_dmabuf) {
1851 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf);
1852 }
1853 }
1854
1855 void dpy_gl_update(QemuConsole *con,
1856 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1857 {
1858 assert(con->gl);
1859 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1860 }
1861
1862 /***********************************************************/
1863 /* register display */
1864
1865 /* console.c internal use only */
1866 static DisplayState *get_alloc_displaystate(void)
1867 {
1868 if (!display_state) {
1869 display_state = g_new0(DisplayState, 1);
1870 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1871 text_console_update_cursor, NULL);
1872 }
1873 return display_state;
1874 }
1875
1876 /*
1877 * Called by main(), after creating QemuConsoles
1878 * and before initializing ui (sdl/vnc/...).
1879 */
1880 DisplayState *init_displaystate(void)
1881 {
1882 gchar *name;
1883 QemuConsole *con;
1884
1885 get_alloc_displaystate();
1886 QTAILQ_FOREACH(con, &consoles, next) {
1887 if (con->console_type != GRAPHIC_CONSOLE &&
1888 con->ds == NULL) {
1889 text_console_do_init(con->chr, display_state);
1890 }
1891
1892 /* Hook up into the qom tree here (not in new_console()), once
1893 * all QemuConsoles are created and the order / numbering
1894 * doesn't change any more */
1895 name = g_strdup_printf("console[%d]", con->index);
1896 object_property_add_child(container_get(object_get_root(), "/backend"),
1897 name, OBJECT(con), &error_abort);
1898 g_free(name);
1899 }
1900
1901 return display_state;
1902 }
1903
1904 void graphic_console_set_hwops(QemuConsole *con,
1905 const GraphicHwOps *hw_ops,
1906 void *opaque)
1907 {
1908 con->hw_ops = hw_ops;
1909 con->hw = opaque;
1910 }
1911
1912 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1913 const GraphicHwOps *hw_ops,
1914 void *opaque)
1915 {
1916 static const char noinit[] =
1917 "Guest has not initialized the display (yet).";
1918 int width = 640;
1919 int height = 480;
1920 QemuConsole *s;
1921 DisplayState *ds;
1922 DisplaySurface *surface;
1923
1924 ds = get_alloc_displaystate();
1925 s = qemu_console_lookup_unused();
1926 if (s) {
1927 trace_console_gfx_reuse(s->index);
1928 if (s->surface) {
1929 width = surface_width(s->surface);
1930 height = surface_height(s->surface);
1931 }
1932 } else {
1933 trace_console_gfx_new();
1934 s = new_console(ds, GRAPHIC_CONSOLE, head);
1935 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1936 dpy_set_ui_info_timer, s);
1937 }
1938 graphic_console_set_hwops(s, hw_ops, opaque);
1939 if (dev) {
1940 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1941 &error_abort);
1942 }
1943
1944 surface = qemu_create_message_surface(width, height, noinit);
1945 dpy_gfx_replace_surface(s, surface);
1946 return s;
1947 }
1948
1949 static const GraphicHwOps unused_ops = {
1950 /* no callbacks */
1951 };
1952
1953 void graphic_console_close(QemuConsole *con)
1954 {
1955 static const char unplugged[] =
1956 "Guest display has been unplugged";
1957 DisplaySurface *surface;
1958 int width = 640;
1959 int height = 480;
1960
1961 if (con->surface) {
1962 width = surface_width(con->surface);
1963 height = surface_height(con->surface);
1964 }
1965
1966 trace_console_gfx_close(con->index);
1967 object_property_set_link(OBJECT(con), NULL, "device", &error_abort);
1968 graphic_console_set_hwops(con, &unused_ops, NULL);
1969
1970 if (con->gl) {
1971 dpy_gl_scanout_disable(con);
1972 }
1973 surface = qemu_create_message_surface(width, height, unplugged);
1974 dpy_gfx_replace_surface(con, surface);
1975 }
1976
1977 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1978 {
1979 QemuConsole *con;
1980
1981 QTAILQ_FOREACH(con, &consoles, next) {
1982 if (con->index == index) {
1983 return con;
1984 }
1985 }
1986 return NULL;
1987 }
1988
1989 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1990 {
1991 QemuConsole *con;
1992 Object *obj;
1993 uint32_t h;
1994
1995 QTAILQ_FOREACH(con, &consoles, next) {
1996 obj = object_property_get_link(OBJECT(con),
1997 "device", &error_abort);
1998 if (DEVICE(obj) != dev) {
1999 continue;
2000 }
2001 h = object_property_get_uint(OBJECT(con),
2002 "head", &error_abort);
2003 if (h != head) {
2004 continue;
2005 }
2006 return con;
2007 }
2008 return NULL;
2009 }
2010
2011 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
2012 uint32_t head, Error **errp)
2013 {
2014 DeviceState *dev;
2015 QemuConsole *con;
2016
2017 dev = qdev_find_recursive(sysbus_get_default(), device_id);
2018 if (dev == NULL) {
2019 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
2020 "Device '%s' not found", device_id);
2021 return NULL;
2022 }
2023
2024 con = qemu_console_lookup_by_device(dev, head);
2025 if (con == NULL) {
2026 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
2027 device_id, head);
2028 return NULL;
2029 }
2030
2031 return con;
2032 }
2033
2034 QemuConsole *qemu_console_lookup_unused(void)
2035 {
2036 QemuConsole *con;
2037 Object *obj;
2038
2039 QTAILQ_FOREACH(con, &consoles, next) {
2040 if (con->hw_ops != &unused_ops) {
2041 continue;
2042 }
2043 obj = object_property_get_link(OBJECT(con),
2044 "device", &error_abort);
2045 if (obj != NULL) {
2046 continue;
2047 }
2048 return con;
2049 }
2050 return NULL;
2051 }
2052
2053 bool qemu_console_is_visible(QemuConsole *con)
2054 {
2055 return (con == active_console) || (con->dcls > 0);
2056 }
2057
2058 bool qemu_console_is_graphic(QemuConsole *con)
2059 {
2060 if (con == NULL) {
2061 con = active_console;
2062 }
2063 return con && (con->console_type == GRAPHIC_CONSOLE);
2064 }
2065
2066 bool qemu_console_is_fixedsize(QemuConsole *con)
2067 {
2068 if (con == NULL) {
2069 con = active_console;
2070 }
2071 return con && (con->console_type != TEXT_CONSOLE);
2072 }
2073
2074 bool qemu_console_is_gl_blocked(QemuConsole *con)
2075 {
2076 assert(con != NULL);
2077 return con->gl_block;
2078 }
2079
2080 char *qemu_console_get_label(QemuConsole *con)
2081 {
2082 if (con->console_type == GRAPHIC_CONSOLE) {
2083 if (con->device) {
2084 return g_strdup(object_get_typename(con->device));
2085 }
2086 return g_strdup("VGA");
2087 } else {
2088 if (con->chr && con->chr->label) {
2089 return g_strdup(con->chr->label);
2090 }
2091 return g_strdup_printf("vc%d", con->index);
2092 }
2093 }
2094
2095 int qemu_console_get_index(QemuConsole *con)
2096 {
2097 if (con == NULL) {
2098 con = active_console;
2099 }
2100 return con ? con->index : -1;
2101 }
2102
2103 uint32_t qemu_console_get_head(QemuConsole *con)
2104 {
2105 if (con == NULL) {
2106 con = active_console;
2107 }
2108 return con ? con->head : -1;
2109 }
2110
2111 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
2112 {
2113 assert(con != NULL);
2114 return &con->ui_info;
2115 }
2116
2117 int qemu_console_get_width(QemuConsole *con, int fallback)
2118 {
2119 if (con == NULL) {
2120 con = active_console;
2121 }
2122 return con ? surface_width(con->surface) : fallback;
2123 }
2124
2125 int qemu_console_get_height(QemuConsole *con, int fallback)
2126 {
2127 if (con == NULL) {
2128 con = active_console;
2129 }
2130 return con ? surface_height(con->surface) : fallback;
2131 }
2132
2133 static void vc_chr_set_echo(Chardev *chr, bool echo)
2134 {
2135 VCChardev *drv = VC_CHARDEV(chr);
2136 QemuConsole *s = drv->console;
2137
2138 s->echo = echo;
2139 }
2140
2141 static void text_console_update_cursor_timer(void)
2142 {
2143 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
2144 + CONSOLE_CURSOR_PERIOD / 2);
2145 }
2146
2147 static void text_console_update_cursor(void *opaque)
2148 {
2149 QemuConsole *s;
2150 int count = 0;
2151
2152 cursor_visible_phase = !cursor_visible_phase;
2153
2154 QTAILQ_FOREACH(s, &consoles, next) {
2155 if (qemu_console_is_graphic(s) ||
2156 !qemu_console_is_visible(s)) {
2157 continue;
2158 }
2159 count++;
2160 graphic_hw_invalidate(s);
2161 }
2162
2163 if (count) {
2164 text_console_update_cursor_timer();
2165 }
2166 }
2167
2168 static const GraphicHwOps text_console_ops = {
2169 .invalidate = text_console_invalidate,
2170 .text_update = text_console_update,
2171 };
2172
2173 static void text_console_do_init(Chardev *chr, DisplayState *ds)
2174 {
2175 VCChardev *drv = VC_CHARDEV(chr);
2176 QemuConsole *s = drv->console;
2177 int g_width = 80 * FONT_WIDTH;
2178 int g_height = 24 * FONT_HEIGHT;
2179
2180 s->out_fifo.buf = s->out_fifo_buf;
2181 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
2182 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
2183 s->ds = ds;
2184
2185 s->y_displayed = 0;
2186 s->y_base = 0;
2187 s->total_height = DEFAULT_BACKSCROLL;
2188 s->x = 0;
2189 s->y = 0;
2190 if (!s->surface) {
2191 if (active_console && active_console->surface) {
2192 g_width = surface_width(active_console->surface);
2193 g_height = surface_height(active_console->surface);
2194 }
2195 s->surface = qemu_create_displaysurface(g_width, g_height);
2196 }
2197
2198 s->hw_ops = &text_console_ops;
2199 s->hw = s;
2200
2201 /* Set text attribute defaults */
2202 s->t_attrib_default.bold = 0;
2203 s->t_attrib_default.uline = 0;
2204 s->t_attrib_default.blink = 0;
2205 s->t_attrib_default.invers = 0;
2206 s->t_attrib_default.unvisible = 0;
2207 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2208 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2209 /* set current text attributes to default */
2210 s->t_attrib = s->t_attrib_default;
2211 text_console_resize(s);
2212
2213 if (chr->label) {
2214 char msg[128];
2215 int len;
2216
2217 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2218 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
2219 vc_chr_write(chr, (uint8_t *)msg, len);
2220 s->t_attrib = s->t_attrib_default;
2221 }
2222
2223 qemu_chr_be_event(chr, CHR_EVENT_OPENED);
2224 }
2225
2226 static void vc_chr_open(Chardev *chr,
2227 ChardevBackend *backend,
2228 bool *be_opened,
2229 Error **errp)
2230 {
2231 ChardevVC *vc = backend->u.vc.data;
2232 VCChardev *drv = VC_CHARDEV(chr);
2233 QemuConsole *s;
2234 unsigned width = 0;
2235 unsigned height = 0;
2236
2237 if (vc->has_width) {
2238 width = vc->width;
2239 } else if (vc->has_cols) {
2240 width = vc->cols * FONT_WIDTH;
2241 }
2242
2243 if (vc->has_height) {
2244 height = vc->height;
2245 } else if (vc->has_rows) {
2246 height = vc->rows * FONT_HEIGHT;
2247 }
2248
2249 trace_console_txt_new(width, height);
2250 if (width == 0 || height == 0) {
2251 s = new_console(NULL, TEXT_CONSOLE, 0);
2252 } else {
2253 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2254 s->surface = qemu_create_displaysurface(width, height);
2255 }
2256
2257 if (!s) {
2258 error_setg(errp, "cannot create text console");
2259 return;
2260 }
2261
2262 s->chr = chr;
2263 drv->console = s;
2264
2265 if (display_state) {
2266 text_console_do_init(chr, display_state);
2267 }
2268
2269 /* console/chardev init sometimes completes elsewhere in a 2nd
2270 * stage, so defer OPENED events until they are fully initialized
2271 */
2272 *be_opened = false;
2273 }
2274
2275 void qemu_console_resize(QemuConsole *s, int width, int height)
2276 {
2277 DisplaySurface *surface;
2278
2279 assert(s->console_type == GRAPHIC_CONSOLE);
2280
2281 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) &&
2282 pixman_image_get_width(s->surface->image) == width &&
2283 pixman_image_get_height(s->surface->image) == height) {
2284 return;
2285 }
2286
2287 surface = qemu_create_displaysurface(width, height);
2288 dpy_gfx_replace_surface(s, surface);
2289 }
2290
2291 DisplaySurface *qemu_console_surface(QemuConsole *console)
2292 {
2293 return console->surface;
2294 }
2295
2296 PixelFormat qemu_default_pixelformat(int bpp)
2297 {
2298 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2299 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2300 return pf;
2301 }
2302
2303 static QemuDisplay *dpys[DISPLAY_TYPE__MAX];
2304
2305 void qemu_display_register(QemuDisplay *ui)
2306 {
2307 assert(ui->type < DISPLAY_TYPE__MAX);
2308 dpys[ui->type] = ui;
2309 }
2310
2311 bool qemu_display_find_default(DisplayOptions *opts)
2312 {
2313 static DisplayType prio[] = {
2314 DISPLAY_TYPE_GTK,
2315 DISPLAY_TYPE_SDL,
2316 DISPLAY_TYPE_COCOA
2317 };
2318 int i;
2319
2320 for (i = 0; i < ARRAY_SIZE(prio); i++) {
2321 if (dpys[prio[i]] == NULL) {
2322 ui_module_load_one(DisplayType_lookup.array[prio[i]]);
2323 }
2324 if (dpys[prio[i]] == NULL) {
2325 continue;
2326 }
2327 opts->type = prio[i];
2328 return true;
2329 }
2330 return false;
2331 }
2332
2333 void qemu_display_early_init(DisplayOptions *opts)
2334 {
2335 assert(opts->type < DISPLAY_TYPE__MAX);
2336 if (opts->type == DISPLAY_TYPE_NONE) {
2337 return;
2338 }
2339 if (dpys[opts->type] == NULL) {
2340 ui_module_load_one(DisplayType_lookup.array[opts->type]);
2341 }
2342 if (dpys[opts->type] == NULL) {
2343 error_report("Display '%s' is not available.",
2344 DisplayType_lookup.array[opts->type]);
2345 exit(1);
2346 }
2347 if (dpys[opts->type]->early_init) {
2348 dpys[opts->type]->early_init(opts);
2349 }
2350 }
2351
2352 void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
2353 {
2354 assert(opts->type < DISPLAY_TYPE__MAX);
2355 if (opts->type == DISPLAY_TYPE_NONE) {
2356 return;
2357 }
2358 assert(dpys[opts->type] != NULL);
2359 dpys[opts->type]->init(ds, opts);
2360 }
2361
2362 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
2363 {
2364 int val;
2365 ChardevVC *vc;
2366
2367 backend->type = CHARDEV_BACKEND_KIND_VC;
2368 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2369 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2370
2371 val = qemu_opt_get_number(opts, "width", 0);
2372 if (val != 0) {
2373 vc->has_width = true;
2374 vc->width = val;
2375 }
2376
2377 val = qemu_opt_get_number(opts, "height", 0);
2378 if (val != 0) {
2379 vc->has_height = true;
2380 vc->height = val;
2381 }
2382
2383 val = qemu_opt_get_number(opts, "cols", 0);
2384 if (val != 0) {
2385 vc->has_cols = true;
2386 vc->cols = val;
2387 }
2388
2389 val = qemu_opt_get_number(opts, "rows", 0);
2390 if (val != 0) {
2391 vc->has_rows = true;
2392 vc->rows = val;
2393 }
2394 }
2395
2396 static const TypeInfo qemu_console_info = {
2397 .name = TYPE_QEMU_CONSOLE,
2398 .parent = TYPE_OBJECT,
2399 .instance_size = sizeof(QemuConsole),
2400 .class_size = sizeof(QemuConsoleClass),
2401 };
2402
2403 static void char_vc_class_init(ObjectClass *oc, void *data)
2404 {
2405 ChardevClass *cc = CHARDEV_CLASS(oc);
2406
2407 cc->parse = qemu_chr_parse_vc;
2408 cc->open = vc_chr_open;
2409 cc->chr_write = vc_chr_write;
2410 cc->chr_set_echo = vc_chr_set_echo;
2411 }
2412
2413 static const TypeInfo char_vc_type_info = {
2414 .name = TYPE_CHARDEV_VC,
2415 .parent = TYPE_CHARDEV,
2416 .instance_size = sizeof(VCChardev),
2417 .class_init = char_vc_class_init,
2418 };
2419
2420 void qemu_console_early_init(void)
2421 {
2422 /* set the default vc driver */
2423 if (!object_class_by_name(TYPE_CHARDEV_VC)) {
2424 type_register(&char_vc_type_info);
2425 }
2426 }
2427
2428 static void register_types(void)
2429 {
2430 type_register_static(&qemu_console_info);
2431 }
2432
2433 type_init(register_types);
armbru's QEMU hackery