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virtio-pci: Fix cross-version migration with older machines
[qemu/kevin.git] / ui / console.c
blobed888e55ead371f25873d4105ca5b1fa5df413fa
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 #include "qemu/osdep.h"
25 #include "qemu-common.h"
26 #include "ui/console.h"
27 #include "hw/qdev-core.h"
28 #include "qemu/timer.h"
29 #include "qmp-commands.h"
30 #include "sysemu/char.h"
31 #include "trace.h"
32 #include "exec/memory.h"
33
34 #define DEFAULT_BACKSCROLL 512
35 #define CONSOLE_CURSOR_PERIOD 500
36
37 typedef struct TextAttributes {
38 uint8_t fgcol:4;
39 uint8_t bgcol:4;
40 uint8_t bold:1;
41 uint8_t uline:1;
42 uint8_t blink:1;
43 uint8_t invers:1;
44 uint8_t unvisible:1;
45 } TextAttributes;
46
47 typedef struct TextCell {
48 uint8_t ch;
49 TextAttributes t_attrib;
50 } TextCell;
51
52 #define MAX_ESC_PARAMS 3
53
54 enum TTYState {
55 TTY_STATE_NORM,
56 TTY_STATE_ESC,
57 TTY_STATE_CSI,
58 };
59
60 typedef struct QEMUFIFO {
61 uint8_t *buf;
62 int buf_size;
63 int count, wptr, rptr;
64 } QEMUFIFO;
65
66 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
67 {
68 int l, len;
69
70 l = f->buf_size - f->count;
71 if (len1 > l)
72 len1 = l;
73 len = len1;
74 while (len > 0) {
75 l = f->buf_size - f->wptr;
76 if (l > len)
77 l = len;
78 memcpy(f->buf + f->wptr, buf, l);
79 f->wptr += l;
80 if (f->wptr >= f->buf_size)
81 f->wptr = 0;
82 buf += l;
83 len -= l;
84 }
85 f->count += len1;
86 return len1;
87 }
88
89 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
90 {
91 int l, len;
92
93 if (len1 > f->count)
94 len1 = f->count;
95 len = len1;
96 while (len > 0) {
97 l = f->buf_size - f->rptr;
98 if (l > len)
99 l = len;
100 memcpy(buf, f->buf + f->rptr, l);
101 f->rptr += l;
102 if (f->rptr >= f->buf_size)
103 f->rptr = 0;
104 buf += l;
105 len -= l;
106 }
107 f->count -= len1;
108 return len1;
109 }
110
111 typedef enum {
112 GRAPHIC_CONSOLE,
113 TEXT_CONSOLE,
114 TEXT_CONSOLE_FIXED_SIZE
115 } console_type_t;
116
117 struct QemuConsole {
118 Object parent;
119
120 int index;
121 console_type_t console_type;
122 DisplayState *ds;
123 DisplaySurface *surface;
124 int dcls;
125 DisplayChangeListener *gl;
126 bool gl_block;
127
128 /* Graphic console state. */
129 Object *device;
130 uint32_t head;
131 QemuUIInfo ui_info;
132 QEMUTimer *ui_timer;
133 const GraphicHwOps *hw_ops;
134 void *hw;
135
136 /* Text console state */
137 int width;
138 int height;
139 int total_height;
140 int backscroll_height;
141 int x, y;
142 int x_saved, y_saved;
143 int y_displayed;
144 int y_base;
145 TextAttributes t_attrib_default; /* default text attributes */
146 TextAttributes t_attrib; /* currently active text attributes */
147 TextCell *cells;
148 int text_x[2], text_y[2], cursor_invalidate;
149 int echo;
150
151 int update_x0;
152 int update_y0;
153 int update_x1;
154 int update_y1;
155
156 enum TTYState state;
157 int esc_params[MAX_ESC_PARAMS];
158 int nb_esc_params;
159
160 CharDriverState *chr;
161 /* fifo for key pressed */
162 QEMUFIFO out_fifo;
163 uint8_t out_fifo_buf[16];
164 QEMUTimer *kbd_timer;
165 };
166
167 struct DisplayState {
168 QEMUTimer *gui_timer;
169 uint64_t last_update;
170 uint64_t update_interval;
171 bool refreshing;
172 bool have_gfx;
173 bool have_text;
174
175 QLIST_HEAD(, DisplayChangeListener) listeners;
176 };
177
178 static DisplayState *display_state;
179 static QemuConsole *active_console;
180 static QemuConsole **consoles;
181 static int nb_consoles = 0;
182 static bool cursor_visible_phase;
183 static QEMUTimer *cursor_timer;
184
185 static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
186 static void dpy_refresh(DisplayState *s);
187 static DisplayState *get_alloc_displaystate(void);
188 static void text_console_update_cursor_timer(void);
189 static void text_console_update_cursor(void *opaque);
190
191 static void gui_update(void *opaque)
192 {
193 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
194 uint64_t dcl_interval;
195 DisplayState *ds = opaque;
196 DisplayChangeListener *dcl;
197 int i;
198
199 ds->refreshing = true;
200 dpy_refresh(ds);
201 ds->refreshing = false;
202
203 QLIST_FOREACH(dcl, &ds->listeners, next) {
204 dcl_interval = dcl->update_interval ?
205 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
206 if (interval > dcl_interval) {
207 interval = dcl_interval;
208 }
209 }
210 if (ds->update_interval != interval) {
211 ds->update_interval = interval;
212 for (i = 0; i < nb_consoles; i++) {
213 if (consoles[i]->hw_ops->update_interval) {
214 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
215 }
216 }
217 trace_console_refresh(interval);
218 }
219 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
220 timer_mod(ds->gui_timer, ds->last_update + interval);
221 }
222
223 static void gui_setup_refresh(DisplayState *ds)
224 {
225 DisplayChangeListener *dcl;
226 bool need_timer = false;
227 bool have_gfx = false;
228 bool have_text = false;
229
230 QLIST_FOREACH(dcl, &ds->listeners, next) {
231 if (dcl->ops->dpy_refresh != NULL) {
232 need_timer = true;
233 }
234 if (dcl->ops->dpy_gfx_update != NULL) {
235 have_gfx = true;
236 }
237 if (dcl->ops->dpy_text_update != NULL) {
238 have_text = true;
239 }
240 }
241
242 if (need_timer && ds->gui_timer == NULL) {
243 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
244 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
245 }
246 if (!need_timer && ds->gui_timer != NULL) {
247 timer_del(ds->gui_timer);
248 timer_free(ds->gui_timer);
249 ds->gui_timer = NULL;
250 }
251
252 ds->have_gfx = have_gfx;
253 ds->have_text = have_text;
254 }
255
256 void graphic_hw_update(QemuConsole *con)
257 {
258 if (!con) {
259 con = active_console;
260 }
261 if (con && con->hw_ops->gfx_update) {
262 con->hw_ops->gfx_update(con->hw);
263 }
264 }
265
266 void graphic_hw_gl_block(QemuConsole *con, bool block)
267 {
268 assert(con != NULL);
269
270 con->gl_block = block;
271 if (con->hw_ops->gl_block) {
272 con->hw_ops->gl_block(con->hw, block);
273 }
274 }
275
276 void graphic_hw_invalidate(QemuConsole *con)
277 {
278 if (!con) {
279 con = active_console;
280 }
281 if (con && con->hw_ops->invalidate) {
282 con->hw_ops->invalidate(con->hw);
283 }
284 }
285
286 static void ppm_save(const char *filename, DisplaySurface *ds,
287 Error **errp)
288 {
289 int width = pixman_image_get_width(ds->image);
290 int height = pixman_image_get_height(ds->image);
291 int fd;
292 FILE *f;
293 int y;
294 int ret;
295 pixman_image_t *linebuf;
296
297 trace_ppm_save(filename, ds);
298 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
299 if (fd == -1) {
300 error_setg(errp, "failed to open file '%s': %s", filename,
301 strerror(errno));
302 return;
303 }
304 f = fdopen(fd, "wb");
305 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
306 if (ret < 0) {
307 linebuf = NULL;
308 goto write_err;
309 }
310 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
311 for (y = 0; y < height; y++) {
312 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
313 clearerr(f);
314 ret = fwrite(pixman_image_get_data(linebuf), 1,
315 pixman_image_get_stride(linebuf), f);
316 (void)ret;
317 if (ferror(f)) {
318 goto write_err;
319 }
320 }
321
322 out:
323 qemu_pixman_image_unref(linebuf);
324 fclose(f);
325 return;
326
327 write_err:
328 error_setg(errp, "failed to write to file '%s': %s", filename,
329 strerror(errno));
330 unlink(filename);
331 goto out;
332 }
333
334 void qmp_screendump(const char *filename, Error **errp)
335 {
336 QemuConsole *con = qemu_console_lookup_by_index(0);
337 DisplaySurface *surface;
338
339 if (con == NULL) {
340 error_setg(errp, "There is no QemuConsole I can screendump from.");
341 return;
342 }
343
344 graphic_hw_update(con);
345 surface = qemu_console_surface(con);
346 ppm_save(filename, surface, errp);
347 }
348
349 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
350 {
351 if (!con) {
352 con = active_console;
353 }
354 if (con && con->hw_ops->text_update) {
355 con->hw_ops->text_update(con->hw, chardata);
356 }
357 }
358
359 static void vga_fill_rect(QemuConsole *con,
360 int posx, int posy, int width, int height,
361 pixman_color_t color)
362 {
363 DisplaySurface *surface = qemu_console_surface(con);
364 pixman_rectangle16_t rect = {
365 .x = posx, .y = posy, .width = width, .height = height
366 };
367
368 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
369 &color, 1, &rect);
370 }
371
372 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
373 static void vga_bitblt(QemuConsole *con,
374 int xs, int ys, int xd, int yd, int w, int h)
375 {
376 DisplaySurface *surface = qemu_console_surface(con);
377
378 pixman_image_composite(PIXMAN_OP_SRC,
379 surface->image, NULL, surface->image,
380 xs, ys, 0, 0, xd, yd, w, h);
381 }
382
383 /***********************************************************/
384 /* basic char display */
385
386 #define FONT_HEIGHT 16
387 #define FONT_WIDTH 8
388
389 #include "vgafont.h"
390
391 #define QEMU_RGB(r, g, b) \
392 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
393
394 static const pixman_color_t color_table_rgb[2][8] = {
395 { /* dark */
396 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
397 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
398 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
399 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
400 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
401 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
402 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
403 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
404 },
405 { /* bright */
406 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
407 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
408 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
409 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
410 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
411 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
412 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
413 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
414 }
415 };
416
417 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
418 TextAttributes *t_attrib)
419 {
420 static pixman_image_t *glyphs[256];
421 DisplaySurface *surface = qemu_console_surface(s);
422 pixman_color_t fgcol, bgcol;
423
424 if (t_attrib->invers) {
425 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
426 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
427 } else {
428 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
429 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
430 }
431
432 if (!glyphs[ch]) {
433 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
434 }
435 qemu_pixman_glyph_render(glyphs[ch], surface->image,
436 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
437 }
438
439 static void text_console_resize(QemuConsole *s)
440 {
441 TextCell *cells, *c, *c1;
442 int w1, x, y, last_width;
443
444 last_width = s->width;
445 s->width = surface_width(s->surface) / FONT_WIDTH;
446 s->height = surface_height(s->surface) / FONT_HEIGHT;
447
448 w1 = last_width;
449 if (s->width < w1)
450 w1 = s->width;
451
452 cells = g_new(TextCell, s->width * s->total_height);
453 for(y = 0; y < s->total_height; y++) {
454 c = &cells[y * s->width];
455 if (w1 > 0) {
456 c1 = &s->cells[y * last_width];
457 for(x = 0; x < w1; x++) {
458 *c++ = *c1++;
459 }
460 }
461 for(x = w1; x < s->width; x++) {
462 c->ch = ' ';
463 c->t_attrib = s->t_attrib_default;
464 c++;
465 }
466 }
467 g_free(s->cells);
468 s->cells = cells;
469 }
470
471 static inline void text_update_xy(QemuConsole *s, int x, int y)
472 {
473 s->text_x[0] = MIN(s->text_x[0], x);
474 s->text_x[1] = MAX(s->text_x[1], x);
475 s->text_y[0] = MIN(s->text_y[0], y);
476 s->text_y[1] = MAX(s->text_y[1], y);
477 }
478
479 static void invalidate_xy(QemuConsole *s, int x, int y)
480 {
481 if (!qemu_console_is_visible(s)) {
482 return;
483 }
484 if (s->update_x0 > x * FONT_WIDTH)
485 s->update_x0 = x * FONT_WIDTH;
486 if (s->update_y0 > y * FONT_HEIGHT)
487 s->update_y0 = y * FONT_HEIGHT;
488 if (s->update_x1 < (x + 1) * FONT_WIDTH)
489 s->update_x1 = (x + 1) * FONT_WIDTH;
490 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
491 s->update_y1 = (y + 1) * FONT_HEIGHT;
492 }
493
494 static void update_xy(QemuConsole *s, int x, int y)
495 {
496 TextCell *c;
497 int y1, y2;
498
499 if (s->ds->have_text) {
500 text_update_xy(s, x, y);
501 }
502
503 y1 = (s->y_base + y) % s->total_height;
504 y2 = y1 - s->y_displayed;
505 if (y2 < 0) {
506 y2 += s->total_height;
507 }
508 if (y2 < s->height) {
509 c = &s->cells[y1 * s->width + x];
510 vga_putcharxy(s, x, y2, c->ch,
511 &(c->t_attrib));
512 invalidate_xy(s, x, y2);
513 }
514 }
515
516 static void console_show_cursor(QemuConsole *s, int show)
517 {
518 TextCell *c;
519 int y, y1;
520 int x = s->x;
521
522 if (s->ds->have_text) {
523 s->cursor_invalidate = 1;
524 }
525
526 if (x >= s->width) {
527 x = s->width - 1;
528 }
529 y1 = (s->y_base + s->y) % s->total_height;
530 y = y1 - s->y_displayed;
531 if (y < 0) {
532 y += s->total_height;
533 }
534 if (y < s->height) {
535 c = &s->cells[y1 * s->width + x];
536 if (show && cursor_visible_phase) {
537 TextAttributes t_attrib = s->t_attrib_default;
538 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
539 vga_putcharxy(s, x, y, c->ch, &t_attrib);
540 } else {
541 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
542 }
543 invalidate_xy(s, x, y);
544 }
545 }
546
547 static void console_refresh(QemuConsole *s)
548 {
549 DisplaySurface *surface = qemu_console_surface(s);
550 TextCell *c;
551 int x, y, y1;
552
553 if (s->ds->have_text) {
554 s->text_x[0] = 0;
555 s->text_y[0] = 0;
556 s->text_x[1] = s->width - 1;
557 s->text_y[1] = s->height - 1;
558 s->cursor_invalidate = 1;
559 }
560
561 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
562 color_table_rgb[0][QEMU_COLOR_BLACK]);
563 y1 = s->y_displayed;
564 for (y = 0; y < s->height; y++) {
565 c = s->cells + y1 * s->width;
566 for (x = 0; x < s->width; x++) {
567 vga_putcharxy(s, x, y, c->ch,
568 &(c->t_attrib));
569 c++;
570 }
571 if (++y1 == s->total_height) {
572 y1 = 0;
573 }
574 }
575 console_show_cursor(s, 1);
576 dpy_gfx_update(s, 0, 0,
577 surface_width(surface), surface_height(surface));
578 }
579
580 static void console_scroll(QemuConsole *s, int ydelta)
581 {
582 int i, y1;
583
584 if (ydelta > 0) {
585 for(i = 0; i < ydelta; i++) {
586 if (s->y_displayed == s->y_base)
587 break;
588 if (++s->y_displayed == s->total_height)
589 s->y_displayed = 0;
590 }
591 } else {
592 ydelta = -ydelta;
593 i = s->backscroll_height;
594 if (i > s->total_height - s->height)
595 i = s->total_height - s->height;
596 y1 = s->y_base - i;
597 if (y1 < 0)
598 y1 += s->total_height;
599 for(i = 0; i < ydelta; i++) {
600 if (s->y_displayed == y1)
601 break;
602 if (--s->y_displayed < 0)
603 s->y_displayed = s->total_height - 1;
604 }
605 }
606 console_refresh(s);
607 }
608
609 static void console_put_lf(QemuConsole *s)
610 {
611 TextCell *c;
612 int x, y1;
613
614 s->y++;
615 if (s->y >= s->height) {
616 s->y = s->height - 1;
617
618 if (s->y_displayed == s->y_base) {
619 if (++s->y_displayed == s->total_height)
620 s->y_displayed = 0;
621 }
622 if (++s->y_base == s->total_height)
623 s->y_base = 0;
624 if (s->backscroll_height < s->total_height)
625 s->backscroll_height++;
626 y1 = (s->y_base + s->height - 1) % s->total_height;
627 c = &s->cells[y1 * s->width];
628 for(x = 0; x < s->width; x++) {
629 c->ch = ' ';
630 c->t_attrib = s->t_attrib_default;
631 c++;
632 }
633 if (s->y_displayed == s->y_base) {
634 if (s->ds->have_text) {
635 s->text_x[0] = 0;
636 s->text_y[0] = 0;
637 s->text_x[1] = s->width - 1;
638 s->text_y[1] = s->height - 1;
639 }
640
641 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
642 s->width * FONT_WIDTH,
643 (s->height - 1) * FONT_HEIGHT);
644 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
645 s->width * FONT_WIDTH, FONT_HEIGHT,
646 color_table_rgb[0][s->t_attrib_default.bgcol]);
647 s->update_x0 = 0;
648 s->update_y0 = 0;
649 s->update_x1 = s->width * FONT_WIDTH;
650 s->update_y1 = s->height * FONT_HEIGHT;
651 }
652 }
653 }
654
655 /* Set console attributes depending on the current escape codes.
656 * NOTE: I know this code is not very efficient (checking every color for it
657 * self) but it is more readable and better maintainable.
658 */
659 static void console_handle_escape(QemuConsole *s)
660 {
661 int i;
662
663 for (i=0; i<s->nb_esc_params; i++) {
664 switch (s->esc_params[i]) {
665 case 0: /* reset all console attributes to default */
666 s->t_attrib = s->t_attrib_default;
667 break;
668 case 1:
669 s->t_attrib.bold = 1;
670 break;
671 case 4:
672 s->t_attrib.uline = 1;
673 break;
674 case 5:
675 s->t_attrib.blink = 1;
676 break;
677 case 7:
678 s->t_attrib.invers = 1;
679 break;
680 case 8:
681 s->t_attrib.unvisible = 1;
682 break;
683 case 22:
684 s->t_attrib.bold = 0;
685 break;
686 case 24:
687 s->t_attrib.uline = 0;
688 break;
689 case 25:
690 s->t_attrib.blink = 0;
691 break;
692 case 27:
693 s->t_attrib.invers = 0;
694 break;
695 case 28:
696 s->t_attrib.unvisible = 0;
697 break;
698 /* set foreground color */
699 case 30:
700 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
701 break;
702 case 31:
703 s->t_attrib.fgcol = QEMU_COLOR_RED;
704 break;
705 case 32:
706 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
707 break;
708 case 33:
709 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
710 break;
711 case 34:
712 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
713 break;
714 case 35:
715 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
716 break;
717 case 36:
718 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
719 break;
720 case 37:
721 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
722 break;
723 /* set background color */
724 case 40:
725 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
726 break;
727 case 41:
728 s->t_attrib.bgcol = QEMU_COLOR_RED;
729 break;
730 case 42:
731 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
732 break;
733 case 43:
734 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
735 break;
736 case 44:
737 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
738 break;
739 case 45:
740 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
741 break;
742 case 46:
743 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
744 break;
745 case 47:
746 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
747 break;
748 }
749 }
750 }
751
752 static void console_clear_xy(QemuConsole *s, int x, int y)
753 {
754 int y1 = (s->y_base + y) % s->total_height;
755 TextCell *c = &s->cells[y1 * s->width + x];
756 c->ch = ' ';
757 c->t_attrib = s->t_attrib_default;
758 update_xy(s, x, y);
759 }
760
761 static void console_put_one(QemuConsole *s, int ch)
762 {
763 TextCell *c;
764 int y1;
765 if (s->x >= s->width) {
766 /* line wrap */
767 s->x = 0;
768 console_put_lf(s);
769 }
770 y1 = (s->y_base + s->y) % s->total_height;
771 c = &s->cells[y1 * s->width + s->x];
772 c->ch = ch;
773 c->t_attrib = s->t_attrib;
774 update_xy(s, s->x, s->y);
775 s->x++;
776 }
777
778 static void console_respond_str(QemuConsole *s, const char *buf)
779 {
780 while (*buf) {
781 console_put_one(s, *buf);
782 buf++;
783 }
784 }
785
786 /* set cursor, checking bounds */
787 static void set_cursor(QemuConsole *s, int x, int y)
788 {
789 if (x < 0) {
790 x = 0;
791 }
792 if (y < 0) {
793 y = 0;
794 }
795 if (y >= s->height) {
796 y = s->height - 1;
797 }
798 if (x >= s->width) {
799 x = s->width - 1;
800 }
801
802 s->x = x;
803 s->y = y;
804 }
805
806 static void console_putchar(QemuConsole *s, int ch)
807 {
808 int i;
809 int x, y;
810 char response[40];
811
812 switch(s->state) {
813 case TTY_STATE_NORM:
814 switch(ch) {
815 case '\r': /* carriage return */
816 s->x = 0;
817 break;
818 case '\n': /* newline */
819 console_put_lf(s);
820 break;
821 case '\b': /* backspace */
822 if (s->x > 0)
823 s->x--;
824 break;
825 case '\t': /* tabspace */
826 if (s->x + (8 - (s->x % 8)) > s->width) {
827 s->x = 0;
828 console_put_lf(s);
829 } else {
830 s->x = s->x + (8 - (s->x % 8));
831 }
832 break;
833 case '\a': /* alert aka. bell */
834 /* TODO: has to be implemented */
835 break;
836 case 14:
837 /* SI (shift in), character set 0 (ignored) */
838 break;
839 case 15:
840 /* SO (shift out), character set 1 (ignored) */
841 break;
842 case 27: /* esc (introducing an escape sequence) */
843 s->state = TTY_STATE_ESC;
844 break;
845 default:
846 console_put_one(s, ch);
847 break;
848 }
849 break;
850 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
851 if (ch == '[') {
852 for(i=0;i<MAX_ESC_PARAMS;i++)
853 s->esc_params[i] = 0;
854 s->nb_esc_params = 0;
855 s->state = TTY_STATE_CSI;
856 } else {
857 s->state = TTY_STATE_NORM;
858 }
859 break;
860 case TTY_STATE_CSI: /* handle escape sequence parameters */
861 if (ch >= '0' && ch <= '9') {
862 if (s->nb_esc_params < MAX_ESC_PARAMS) {
863 int *param = &s->esc_params[s->nb_esc_params];
864 int digit = (ch - '0');
865
866 *param = (*param <= (INT_MAX - digit) / 10) ?
867 *param * 10 + digit : INT_MAX;
868 }
869 } else {
870 if (s->nb_esc_params < MAX_ESC_PARAMS)
871 s->nb_esc_params++;
872 if (ch == ';')
873 break;
874 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
875 ch, s->nb_esc_params);
876 s->state = TTY_STATE_NORM;
877 switch(ch) {
878 case 'A':
879 /* move cursor up */
880 if (s->esc_params[0] == 0) {
881 s->esc_params[0] = 1;
882 }
883 set_cursor(s, s->x, s->y - s->esc_params[0]);
884 break;
885 case 'B':
886 /* move cursor down */
887 if (s->esc_params[0] == 0) {
888 s->esc_params[0] = 1;
889 }
890 set_cursor(s, s->x, s->y + s->esc_params[0]);
891 break;
892 case 'C':
893 /* move cursor right */
894 if (s->esc_params[0] == 0) {
895 s->esc_params[0] = 1;
896 }
897 set_cursor(s, s->x + s->esc_params[0], s->y);
898 break;
899 case 'D':
900 /* move cursor left */
901 if (s->esc_params[0] == 0) {
902 s->esc_params[0] = 1;
903 }
904 set_cursor(s, s->x - s->esc_params[0], s->y);
905 break;
906 case 'G':
907 /* move cursor to column */
908 set_cursor(s, s->esc_params[0] - 1, s->y);
909 break;
910 case 'f':
911 case 'H':
912 /* move cursor to row, column */
913 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
914 break;
915 case 'J':
916 switch (s->esc_params[0]) {
917 case 0:
918 /* clear to end of screen */
919 for (y = s->y; y < s->height; y++) {
920 for (x = 0; x < s->width; x++) {
921 if (y == s->y && x < s->x) {
922 continue;
923 }
924 console_clear_xy(s, x, y);
925 }
926 }
927 break;
928 case 1:
929 /* clear from beginning of screen */
930 for (y = 0; y <= s->y; y++) {
931 for (x = 0; x < s->width; x++) {
932 if (y == s->y && x > s->x) {
933 break;
934 }
935 console_clear_xy(s, x, y);
936 }
937 }
938 break;
939 case 2:
940 /* clear entire screen */
941 for (y = 0; y <= s->height; y++) {
942 for (x = 0; x < s->width; x++) {
943 console_clear_xy(s, x, y);
944 }
945 }
946 break;
947 }
948 break;
949 case 'K':
950 switch (s->esc_params[0]) {
951 case 0:
952 /* clear to eol */
953 for(x = s->x; x < s->width; x++) {
954 console_clear_xy(s, x, s->y);
955 }
956 break;
957 case 1:
958 /* clear from beginning of line */
959 for (x = 0; x <= s->x; x++) {
960 console_clear_xy(s, x, s->y);
961 }
962 break;
963 case 2:
964 /* clear entire line */
965 for(x = 0; x < s->width; x++) {
966 console_clear_xy(s, x, s->y);
967 }
968 break;
969 }
970 break;
971 case 'm':
972 console_handle_escape(s);
973 break;
974 case 'n':
975 switch (s->esc_params[0]) {
976 case 5:
977 /* report console status (always succeed)*/
978 console_respond_str(s, "\033[0n");
979 break;
980 case 6:
981 /* report cursor position */
982 sprintf(response, "\033[%d;%dR",
983 (s->y_base + s->y) % s->total_height + 1,
984 s->x + 1);
985 console_respond_str(s, response);
986 break;
987 }
988 break;
989 case 's':
990 /* save cursor position */
991 s->x_saved = s->x;
992 s->y_saved = s->y;
993 break;
994 case 'u':
995 /* restore cursor position */
996 s->x = s->x_saved;
997 s->y = s->y_saved;
998 break;
999 default:
1000 trace_console_putchar_unhandled(ch);
1001 break;
1002 }
1003 break;
1004 }
1005 }
1006 }
1007
1008 void console_select(unsigned int index)
1009 {
1010 DisplayChangeListener *dcl;
1011 QemuConsole *s;
1012
1013 trace_console_select(index);
1014 s = qemu_console_lookup_by_index(index);
1015 if (s) {
1016 DisplayState *ds = s->ds;
1017
1018 active_console = s;
1019 if (ds->have_gfx) {
1020 QLIST_FOREACH(dcl, &ds->listeners, next) {
1021 if (dcl->con != NULL) {
1022 continue;
1023 }
1024 if (dcl->ops->dpy_gfx_switch) {
1025 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1026 }
1027 }
1028 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1029 surface_height(s->surface));
1030 }
1031 if (ds->have_text) {
1032 dpy_text_resize(s, s->width, s->height);
1033 }
1034 text_console_update_cursor(NULL);
1035 }
1036 }
1037
1038 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1039 {
1040 QemuConsole *s = chr->opaque;
1041 int i;
1042
1043 s->update_x0 = s->width * FONT_WIDTH;
1044 s->update_y0 = s->height * FONT_HEIGHT;
1045 s->update_x1 = 0;
1046 s->update_y1 = 0;
1047 console_show_cursor(s, 0);
1048 for(i = 0; i < len; i++) {
1049 console_putchar(s, buf[i]);
1050 }
1051 console_show_cursor(s, 1);
1052 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1053 dpy_gfx_update(s, s->update_x0, s->update_y0,
1054 s->update_x1 - s->update_x0,
1055 s->update_y1 - s->update_y0);
1056 }
1057 return len;
1058 }
1059
1060 static void kbd_send_chars(void *opaque)
1061 {
1062 QemuConsole *s = opaque;
1063 int len;
1064 uint8_t buf[16];
1065
1066 len = qemu_chr_be_can_write(s->chr);
1067 if (len > s->out_fifo.count)
1068 len = s->out_fifo.count;
1069 if (len > 0) {
1070 if (len > sizeof(buf))
1071 len = sizeof(buf);
1072 qemu_fifo_read(&s->out_fifo, buf, len);
1073 qemu_chr_be_write(s->chr, buf, len);
1074 }
1075 /* characters are pending: we send them a bit later (XXX:
1076 horrible, should change char device API) */
1077 if (s->out_fifo.count > 0) {
1078 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1079 }
1080 }
1081
1082 /* called when an ascii key is pressed */
1083 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1084 {
1085 uint8_t buf[16], *q;
1086 CharBackend *be;
1087 int c;
1088
1089 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1090 return;
1091
1092 switch(keysym) {
1093 case QEMU_KEY_CTRL_UP:
1094 console_scroll(s, -1);
1095 break;
1096 case QEMU_KEY_CTRL_DOWN:
1097 console_scroll(s, 1);
1098 break;
1099 case QEMU_KEY_CTRL_PAGEUP:
1100 console_scroll(s, -10);
1101 break;
1102 case QEMU_KEY_CTRL_PAGEDOWN:
1103 console_scroll(s, 10);
1104 break;
1105 default:
1106 /* convert the QEMU keysym to VT100 key string */
1107 q = buf;
1108 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1109 *q++ = '\033';
1110 *q++ = '[';
1111 c = keysym - 0xe100;
1112 if (c >= 10)
1113 *q++ = '0' + (c / 10);
1114 *q++ = '0' + (c % 10);
1115 *q++ = '~';
1116 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1117 *q++ = '\033';
1118 *q++ = '[';
1119 *q++ = keysym & 0xff;
1120 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1121 console_puts(s->chr, (const uint8_t *) "\r", 1);
1122 *q++ = '\n';
1123 } else {
1124 *q++ = keysym;
1125 }
1126 if (s->echo) {
1127 console_puts(s->chr, buf, q - buf);
1128 }
1129 be = s->chr->be;
1130 if (be && be->chr_read) {
1131 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1132 kbd_send_chars(s);
1133 }
1134 break;
1135 }
1136 }
1137
1138 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1139 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1140 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1141 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1142 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1143 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1144 [Q_KEY_CODE_END] = QEMU_KEY_END,
1145 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1146 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1147 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1148 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1149 };
1150
1151 bool kbd_put_qcode_console(QemuConsole *s, int qcode)
1152 {
1153 int keysym;
1154
1155 keysym = qcode_to_keysym[qcode];
1156 if (keysym == 0) {
1157 return false;
1158 }
1159 kbd_put_keysym_console(s, keysym);
1160 return true;
1161 }
1162
1163 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1164 {
1165 int i;
1166
1167 for (i = 0; i < len && str[i]; i++) {
1168 kbd_put_keysym_console(s, str[i]);
1169 }
1170 }
1171
1172 void kbd_put_keysym(int keysym)
1173 {
1174 kbd_put_keysym_console(active_console, keysym);
1175 }
1176
1177 static void text_console_invalidate(void *opaque)
1178 {
1179 QemuConsole *s = (QemuConsole *) opaque;
1180
1181 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1182 text_console_resize(s);
1183 }
1184 console_refresh(s);
1185 }
1186
1187 static void text_console_update(void *opaque, console_ch_t *chardata)
1188 {
1189 QemuConsole *s = (QemuConsole *) opaque;
1190 int i, j, src;
1191
1192 if (s->text_x[0] <= s->text_x[1]) {
1193 src = (s->y_base + s->text_y[0]) * s->width;
1194 chardata += s->text_y[0] * s->width;
1195 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1196 for (j = 0; j < s->width; j++, src++) {
1197 console_write_ch(chardata ++,
1198 ATTR2CHTYPE(s->cells[src].ch,
1199 s->cells[src].t_attrib.fgcol,
1200 s->cells[src].t_attrib.bgcol,
1201 s->cells[src].t_attrib.bold));
1202 }
1203 dpy_text_update(s, s->text_x[0], s->text_y[0],
1204 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1205 s->text_x[0] = s->width;
1206 s->text_y[0] = s->height;
1207 s->text_x[1] = 0;
1208 s->text_y[1] = 0;
1209 }
1210 if (s->cursor_invalidate) {
1211 dpy_text_cursor(s, s->x, s->y);
1212 s->cursor_invalidate = 0;
1213 }
1214 }
1215
1216 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1217 uint32_t head)
1218 {
1219 Object *obj;
1220 QemuConsole *s;
1221 int i;
1222
1223 obj = object_new(TYPE_QEMU_CONSOLE);
1224 s = QEMU_CONSOLE(obj);
1225 s->head = head;
1226 object_property_add_link(obj, "device", TYPE_DEVICE,
1227 (Object **)&s->device,
1228 object_property_allow_set_link,
1229 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1230 &error_abort);
1231 object_property_add_uint32_ptr(obj, "head",
1232 &s->head, &error_abort);
1233
1234 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1235 (console_type == GRAPHIC_CONSOLE))) {
1236 active_console = s;
1237 }
1238 s->ds = ds;
1239 s->console_type = console_type;
1240
1241 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
1242 if (console_type != GRAPHIC_CONSOLE) {
1243 s->index = nb_consoles;
1244 consoles[nb_consoles++] = s;
1245 } else {
1246 /* HACK: Put graphical consoles before text consoles. */
1247 for (i = nb_consoles; i > 0; i--) {
1248 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1249 break;
1250 consoles[i] = consoles[i - 1];
1251 consoles[i]->index = i;
1252 }
1253 s->index = i;
1254 consoles[i] = s;
1255 nb_consoles++;
1256 }
1257 return s;
1258 }
1259
1260 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1261 {
1262 qemu_pixman_image_unref(surface->image);
1263 surface->image = NULL;
1264
1265 surface->format = PIXMAN_x8r8g8b8;
1266 surface->image = pixman_image_create_bits(surface->format,
1267 width, height,
1268 NULL, width * 4);
1269 assert(surface->image != NULL);
1270
1271 surface->flags = QEMU_ALLOCATED_FLAG;
1272 }
1273
1274 DisplaySurface *qemu_create_displaysurface(int width, int height)
1275 {
1276 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1277
1278 trace_displaysurface_create(surface, width, height);
1279 qemu_alloc_display(surface, width, height);
1280 return surface;
1281 }
1282
1283 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1284 pixman_format_code_t format,
1285 int linesize, uint8_t *data)
1286 {
1287 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1288
1289 trace_displaysurface_create_from(surface, width, height, format);
1290 surface->format = format;
1291 surface->image = pixman_image_create_bits(surface->format,
1292 width, height,
1293 (void *)data, linesize);
1294 assert(surface->image != NULL);
1295
1296 return surface;
1297 }
1298
1299 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1300 {
1301 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1302
1303 trace_displaysurface_create_pixman(surface);
1304 surface->format = pixman_image_get_format(image);
1305 surface->image = pixman_image_ref(image);
1306
1307 return surface;
1308 }
1309
1310 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image,
1311 void *unused)
1312 {
1313 void *data = pixman_image_get_data(image);
1314 uint32_t size = pixman_image_get_stride(image) *
1315 pixman_image_get_height(image);
1316 cpu_physical_memory_unmap(data, size, 0, 0);
1317 }
1318
1319 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
1320 pixman_format_code_t format,
1321 int linesize, uint64_t addr)
1322 {
1323 DisplaySurface *surface;
1324 hwaddr size;
1325 void *data;
1326
1327 if (linesize == 0) {
1328 linesize = width * PIXMAN_FORMAT_BPP(format) / 8;
1329 }
1330
1331 size = (hwaddr)linesize * height;
1332 data = cpu_physical_memory_map(addr, &size, 0);
1333 if (size != (hwaddr)linesize * height) {
1334 cpu_physical_memory_unmap(data, size, 0, 0);
1335 return NULL;
1336 }
1337
1338 surface = qemu_create_displaysurface_from
1339 (width, height, format, linesize, data);
1340 pixman_image_set_destroy_function
1341 (surface->image, qemu_unmap_displaysurface_guestmem, NULL);
1342
1343 return surface;
1344 }
1345
1346 static DisplaySurface *qemu_create_message_surface(int w, int h,
1347 const char *msg)
1348 {
1349 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1350 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1351 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1352 pixman_image_t *glyph;
1353 int len, x, y, i;
1354
1355 len = strlen(msg);
1356 x = (w / FONT_WIDTH - len) / 2;
1357 y = (h / FONT_HEIGHT - 1) / 2;
1358 for (i = 0; i < len; i++) {
1359 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1360 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1361 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1362 qemu_pixman_image_unref(glyph);
1363 }
1364 return surface;
1365 }
1366
1367 void qemu_free_displaysurface(DisplaySurface *surface)
1368 {
1369 if (surface == NULL) {
1370 return;
1371 }
1372 trace_displaysurface_free(surface);
1373 qemu_pixman_image_unref(surface->image);
1374 g_free(surface);
1375 }
1376
1377 bool console_has_gl(QemuConsole *con)
1378 {
1379 return con->gl != NULL;
1380 }
1381
1382 void register_displaychangelistener(DisplayChangeListener *dcl)
1383 {
1384 static const char nodev[] =
1385 "This VM has no graphic display device.";
1386 static DisplaySurface *dummy;
1387 QemuConsole *con;
1388
1389 if (dcl->ops->dpy_gl_ctx_create) {
1390 /* display has opengl support */
1391 assert(dcl->con);
1392 if (dcl->con->gl) {
1393 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1394 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1395 exit(1);
1396 }
1397 dcl->con->gl = dcl;
1398 }
1399
1400 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1401 dcl->ds = get_alloc_displaystate();
1402 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1403 gui_setup_refresh(dcl->ds);
1404 if (dcl->con) {
1405 dcl->con->dcls++;
1406 con = dcl->con;
1407 } else {
1408 con = active_console;
1409 }
1410 if (dcl->ops->dpy_gfx_switch) {
1411 if (con) {
1412 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1413 } else {
1414 if (!dummy) {
1415 dummy = qemu_create_message_surface(640, 480, nodev);
1416 }
1417 dcl->ops->dpy_gfx_switch(dcl, dummy);
1418 }
1419 }
1420 text_console_update_cursor(NULL);
1421 }
1422
1423 void update_displaychangelistener(DisplayChangeListener *dcl,
1424 uint64_t interval)
1425 {
1426 DisplayState *ds = dcl->ds;
1427
1428 dcl->update_interval = interval;
1429 if (!ds->refreshing && ds->update_interval > interval) {
1430 timer_mod(ds->gui_timer, ds->last_update + interval);
1431 }
1432 }
1433
1434 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1435 {
1436 DisplayState *ds = dcl->ds;
1437 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1438 if (dcl->con) {
1439 dcl->con->dcls--;
1440 }
1441 QLIST_REMOVE(dcl, next);
1442 gui_setup_refresh(ds);
1443 }
1444
1445 static void dpy_set_ui_info_timer(void *opaque)
1446 {
1447 QemuConsole *con = opaque;
1448
1449 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1450 }
1451
1452 bool dpy_ui_info_supported(QemuConsole *con)
1453 {
1454 return con->hw_ops->ui_info != NULL;
1455 }
1456
1457 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1458 {
1459 assert(con != NULL);
1460
1461 if (!dpy_ui_info_supported(con)) {
1462 return -1;
1463 }
1464 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1465 /* nothing changed -- ignore */
1466 return 0;
1467 }
1468
1469 /*
1470 * Typically we get a flood of these as the user resizes the window.
1471 * Wait until the dust has settled (one second without updates), then
1472 * go notify the guest.
1473 */
1474 con->ui_info = *info;
1475 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1476 return 0;
1477 }
1478
1479 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1480 {
1481 DisplayState *s = con->ds;
1482 DisplayChangeListener *dcl;
1483 int width = w;
1484 int height = h;
1485
1486 if (con->surface) {
1487 width = surface_width(con->surface);
1488 height = surface_height(con->surface);
1489 }
1490 x = MAX(x, 0);
1491 y = MAX(y, 0);
1492 x = MIN(x, width);
1493 y = MIN(y, height);
1494 w = MIN(w, width - x);
1495 h = MIN(h, height - y);
1496
1497 if (!qemu_console_is_visible(con)) {
1498 return;
1499 }
1500 QLIST_FOREACH(dcl, &s->listeners, next) {
1501 if (con != (dcl->con ? dcl->con : active_console)) {
1502 continue;
1503 }
1504 if (dcl->ops->dpy_gfx_update) {
1505 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1506 }
1507 }
1508 }
1509
1510 void dpy_gfx_replace_surface(QemuConsole *con,
1511 DisplaySurface *surface)
1512 {
1513 DisplayState *s = con->ds;
1514 DisplaySurface *old_surface = con->surface;
1515 DisplayChangeListener *dcl;
1516
1517 con->surface = surface;
1518 QLIST_FOREACH(dcl, &s->listeners, next) {
1519 if (con != (dcl->con ? dcl->con : active_console)) {
1520 continue;
1521 }
1522 if (dcl->ops->dpy_gfx_switch) {
1523 dcl->ops->dpy_gfx_switch(dcl, surface);
1524 }
1525 }
1526 qemu_free_displaysurface(old_surface);
1527 }
1528
1529 bool dpy_gfx_check_format(QemuConsole *con,
1530 pixman_format_code_t format)
1531 {
1532 DisplayChangeListener *dcl;
1533 DisplayState *s = con->ds;
1534
1535 QLIST_FOREACH(dcl, &s->listeners, next) {
1536 if (dcl->con && dcl->con != con) {
1537 /* dcl bound to another console -> skip */
1538 continue;
1539 }
1540 if (dcl->ops->dpy_gfx_check_format) {
1541 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1542 return false;
1543 }
1544 } else {
1545 /* default is to whitelist native 32 bpp only */
1546 if (format != qemu_default_pixman_format(32, true)) {
1547 return false;
1548 }
1549 }
1550 }
1551 return true;
1552 }
1553
1554 static void dpy_refresh(DisplayState *s)
1555 {
1556 DisplayChangeListener *dcl;
1557
1558 QLIST_FOREACH(dcl, &s->listeners, next) {
1559 if (dcl->ops->dpy_refresh) {
1560 dcl->ops->dpy_refresh(dcl);
1561 }
1562 }
1563 }
1564
1565 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1566 int dst_x, int dst_y, int w, int h)
1567 {
1568 DisplayState *s = con->ds;
1569 DisplayChangeListener *dcl;
1570
1571 if (!qemu_console_is_visible(con)) {
1572 return;
1573 }
1574 QLIST_FOREACH(dcl, &s->listeners, next) {
1575 if (con != (dcl->con ? dcl->con : active_console)) {
1576 continue;
1577 }
1578 if (dcl->ops->dpy_gfx_copy) {
1579 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1580 } else { /* TODO */
1581 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1582 }
1583 }
1584 }
1585
1586 void dpy_text_cursor(QemuConsole *con, int x, int y)
1587 {
1588 DisplayState *s = con->ds;
1589 DisplayChangeListener *dcl;
1590
1591 if (!qemu_console_is_visible(con)) {
1592 return;
1593 }
1594 QLIST_FOREACH(dcl, &s->listeners, next) {
1595 if (con != (dcl->con ? dcl->con : active_console)) {
1596 continue;
1597 }
1598 if (dcl->ops->dpy_text_cursor) {
1599 dcl->ops->dpy_text_cursor(dcl, x, y);
1600 }
1601 }
1602 }
1603
1604 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1605 {
1606 DisplayState *s = con->ds;
1607 DisplayChangeListener *dcl;
1608
1609 if (!qemu_console_is_visible(con)) {
1610 return;
1611 }
1612 QLIST_FOREACH(dcl, &s->listeners, next) {
1613 if (con != (dcl->con ? dcl->con : active_console)) {
1614 continue;
1615 }
1616 if (dcl->ops->dpy_text_update) {
1617 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1618 }
1619 }
1620 }
1621
1622 void dpy_text_resize(QemuConsole *con, int w, int h)
1623 {
1624 DisplayState *s = con->ds;
1625 DisplayChangeListener *dcl;
1626
1627 if (!qemu_console_is_visible(con)) {
1628 return;
1629 }
1630 QLIST_FOREACH(dcl, &s->listeners, next) {
1631 if (con != (dcl->con ? dcl->con : active_console)) {
1632 continue;
1633 }
1634 if (dcl->ops->dpy_text_resize) {
1635 dcl->ops->dpy_text_resize(dcl, w, h);
1636 }
1637 }
1638 }
1639
1640 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1641 {
1642 DisplayState *s = con->ds;
1643 DisplayChangeListener *dcl;
1644
1645 if (!qemu_console_is_visible(con)) {
1646 return;
1647 }
1648 QLIST_FOREACH(dcl, &s->listeners, next) {
1649 if (con != (dcl->con ? dcl->con : active_console)) {
1650 continue;
1651 }
1652 if (dcl->ops->dpy_mouse_set) {
1653 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1654 }
1655 }
1656 }
1657
1658 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
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_cursor_define) {
1671 dcl->ops->dpy_cursor_define(dcl, cursor);
1672 }
1673 }
1674 }
1675
1676 bool dpy_cursor_define_supported(QemuConsole *con)
1677 {
1678 DisplayState *s = con->ds;
1679 DisplayChangeListener *dcl;
1680
1681 QLIST_FOREACH(dcl, &s->listeners, next) {
1682 if (dcl->ops->dpy_cursor_define) {
1683 return true;
1684 }
1685 }
1686 return false;
1687 }
1688
1689 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1690 struct QEMUGLParams *qparams)
1691 {
1692 assert(con->gl);
1693 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1694 }
1695
1696 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1697 {
1698 assert(con->gl);
1699 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1700 }
1701
1702 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1703 {
1704 assert(con->gl);
1705 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1706 }
1707
1708 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1709 {
1710 assert(con->gl);
1711 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1712 }
1713
1714 void dpy_gl_scanout(QemuConsole *con,
1715 uint32_t backing_id, bool backing_y_0_top,
1716 uint32_t backing_width, uint32_t backing_height,
1717 uint32_t x, uint32_t y, uint32_t width, uint32_t height)
1718 {
1719 assert(con->gl);
1720 con->gl->ops->dpy_gl_scanout(con->gl, backing_id,
1721 backing_y_0_top,
1722 backing_width, backing_height,
1723 x, y, width, height);
1724 }
1725
1726 void dpy_gl_update(QemuConsole *con,
1727 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1728 {
1729 assert(con->gl);
1730 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1731 }
1732
1733 /***********************************************************/
1734 /* register display */
1735
1736 /* console.c internal use only */
1737 static DisplayState *get_alloc_displaystate(void)
1738 {
1739 if (!display_state) {
1740 display_state = g_new0(DisplayState, 1);
1741 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1742 text_console_update_cursor, NULL);
1743 }
1744 return display_state;
1745 }
1746
1747 /*
1748 * Called by main(), after creating QemuConsoles
1749 * and before initializing ui (sdl/vnc/...).
1750 */
1751 DisplayState *init_displaystate(void)
1752 {
1753 gchar *name;
1754 int i;
1755
1756 get_alloc_displaystate();
1757 for (i = 0; i < nb_consoles; i++) {
1758 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1759 consoles[i]->ds == NULL) {
1760 text_console_do_init(consoles[i]->chr, display_state);
1761 }
1762
1763 /* Hook up into the qom tree here (not in new_console()), once
1764 * all QemuConsoles are created and the order / numbering
1765 * doesn't change any more */
1766 name = g_strdup_printf("console[%d]", i);
1767 object_property_add_child(container_get(object_get_root(), "/backend"),
1768 name, OBJECT(consoles[i]), &error_abort);
1769 g_free(name);
1770 }
1771
1772 return display_state;
1773 }
1774
1775 void graphic_console_set_hwops(QemuConsole *con,
1776 const GraphicHwOps *hw_ops,
1777 void *opaque)
1778 {
1779 con->hw_ops = hw_ops;
1780 con->hw = opaque;
1781 }
1782
1783 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1784 const GraphicHwOps *hw_ops,
1785 void *opaque)
1786 {
1787 static const char noinit[] =
1788 "Guest has not initialized the display (yet).";
1789 int width = 640;
1790 int height = 480;
1791 QemuConsole *s;
1792 DisplayState *ds;
1793
1794 ds = get_alloc_displaystate();
1795 trace_console_gfx_new();
1796 s = new_console(ds, GRAPHIC_CONSOLE, head);
1797 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s);
1798 graphic_console_set_hwops(s, hw_ops, opaque);
1799 if (dev) {
1800 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1801 &error_abort);
1802 }
1803
1804 s->surface = qemu_create_message_surface(width, height, noinit);
1805 return s;
1806 }
1807
1808 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1809 {
1810 if (index >= nb_consoles) {
1811 return NULL;
1812 }
1813 return consoles[index];
1814 }
1815
1816 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1817 {
1818 Object *obj;
1819 uint32_t h;
1820 int i;
1821
1822 for (i = 0; i < nb_consoles; i++) {
1823 if (!consoles[i]) {
1824 continue;
1825 }
1826 obj = object_property_get_link(OBJECT(consoles[i]),
1827 "device", &error_abort);
1828 if (DEVICE(obj) != dev) {
1829 continue;
1830 }
1831 h = object_property_get_int(OBJECT(consoles[i]),
1832 "head", &error_abort);
1833 if (h != head) {
1834 continue;
1835 }
1836 return consoles[i];
1837 }
1838 return NULL;
1839 }
1840
1841 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
1842 uint32_t head, Error **errp)
1843 {
1844 DeviceState *dev;
1845 QemuConsole *con;
1846
1847 dev = qdev_find_recursive(sysbus_get_default(), device_id);
1848 if (dev == NULL) {
1849 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
1850 "Device '%s' not found", device_id);
1851 return NULL;
1852 }
1853
1854 con = qemu_console_lookup_by_device(dev, head);
1855 if (con == NULL) {
1856 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
1857 device_id, head);
1858 return NULL;
1859 }
1860
1861 return con;
1862 }
1863
1864 bool qemu_console_is_visible(QemuConsole *con)
1865 {
1866 return (con == active_console) || (con->dcls > 0);
1867 }
1868
1869 bool qemu_console_is_graphic(QemuConsole *con)
1870 {
1871 if (con == NULL) {
1872 con = active_console;
1873 }
1874 return con && (con->console_type == GRAPHIC_CONSOLE);
1875 }
1876
1877 bool qemu_console_is_fixedsize(QemuConsole *con)
1878 {
1879 if (con == NULL) {
1880 con = active_console;
1881 }
1882 return con && (con->console_type != TEXT_CONSOLE);
1883 }
1884
1885 bool qemu_console_is_gl_blocked(QemuConsole *con)
1886 {
1887 assert(con != NULL);
1888 return con->gl_block;
1889 }
1890
1891 char *qemu_console_get_label(QemuConsole *con)
1892 {
1893 if (con->console_type == GRAPHIC_CONSOLE) {
1894 if (con->device) {
1895 return g_strdup(object_get_typename(con->device));
1896 }
1897 return g_strdup("VGA");
1898 } else {
1899 if (con->chr && con->chr->label) {
1900 return g_strdup(con->chr->label);
1901 }
1902 return g_strdup_printf("vc%d", con->index);
1903 }
1904 }
1905
1906 int qemu_console_get_index(QemuConsole *con)
1907 {
1908 if (con == NULL) {
1909 con = active_console;
1910 }
1911 return con ? con->index : -1;
1912 }
1913
1914 uint32_t qemu_console_get_head(QemuConsole *con)
1915 {
1916 if (con == NULL) {
1917 con = active_console;
1918 }
1919 return con ? con->head : -1;
1920 }
1921
1922 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
1923 {
1924 assert(con != NULL);
1925 return &con->ui_info;
1926 }
1927
1928 int qemu_console_get_width(QemuConsole *con, int fallback)
1929 {
1930 if (con == NULL) {
1931 con = active_console;
1932 }
1933 return con ? surface_width(con->surface) : fallback;
1934 }
1935
1936 int qemu_console_get_height(QemuConsole *con, int fallback)
1937 {
1938 if (con == NULL) {
1939 con = active_console;
1940 }
1941 return con ? surface_height(con->surface) : fallback;
1942 }
1943
1944 static void text_console_set_echo(CharDriverState *chr, bool echo)
1945 {
1946 QemuConsole *s = chr->opaque;
1947
1948 s->echo = echo;
1949 }
1950
1951 static void text_console_update_cursor_timer(void)
1952 {
1953 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
1954 + CONSOLE_CURSOR_PERIOD / 2);
1955 }
1956
1957 static void text_console_update_cursor(void *opaque)
1958 {
1959 QemuConsole *s;
1960 int i, count = 0;
1961
1962 cursor_visible_phase = !cursor_visible_phase;
1963
1964 for (i = 0; i < nb_consoles; i++) {
1965 s = consoles[i];
1966 if (qemu_console_is_graphic(s) ||
1967 !qemu_console_is_visible(s)) {
1968 continue;
1969 }
1970 count++;
1971 graphic_hw_invalidate(s);
1972 }
1973
1974 if (count) {
1975 text_console_update_cursor_timer();
1976 }
1977 }
1978
1979 static const GraphicHwOps text_console_ops = {
1980 .invalidate = text_console_invalidate,
1981 .text_update = text_console_update,
1982 };
1983
1984 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1985 {
1986 QemuConsole *s;
1987 int g_width = 80 * FONT_WIDTH;
1988 int g_height = 24 * FONT_HEIGHT;
1989
1990 s = chr->opaque;
1991
1992 chr->chr_write = console_puts;
1993
1994 s->out_fifo.buf = s->out_fifo_buf;
1995 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1996 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
1997 s->ds = ds;
1998
1999 s->y_displayed = 0;
2000 s->y_base = 0;
2001 s->total_height = DEFAULT_BACKSCROLL;
2002 s->x = 0;
2003 s->y = 0;
2004 if (!s->surface) {
2005 if (active_console && active_console->surface) {
2006 g_width = surface_width(active_console->surface);
2007 g_height = surface_height(active_console->surface);
2008 }
2009 s->surface = qemu_create_displaysurface(g_width, g_height);
2010 }
2011
2012 s->hw_ops = &text_console_ops;
2013 s->hw = s;
2014
2015 /* Set text attribute defaults */
2016 s->t_attrib_default.bold = 0;
2017 s->t_attrib_default.uline = 0;
2018 s->t_attrib_default.blink = 0;
2019 s->t_attrib_default.invers = 0;
2020 s->t_attrib_default.unvisible = 0;
2021 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2022 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2023 /* set current text attributes to default */
2024 s->t_attrib = s->t_attrib_default;
2025 text_console_resize(s);
2026
2027 if (chr->label) {
2028 char msg[128];
2029 int len;
2030
2031 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2032 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
2033 console_puts(chr, (uint8_t*)msg, len);
2034 s->t_attrib = s->t_attrib_default;
2035 }
2036
2037 qemu_chr_be_generic_open(chr);
2038 }
2039
2040 static CharDriverState *text_console_init(ChardevVC *vc, Error **errp)
2041 {
2042 ChardevCommon *common = qapi_ChardevVC_base(vc);
2043 CharDriverState *chr;
2044 QemuConsole *s;
2045 unsigned width = 0;
2046 unsigned height = 0;
2047
2048 chr = qemu_chr_alloc(common, errp);
2049 if (!chr) {
2050 return NULL;
2051 }
2052
2053 if (vc->has_width) {
2054 width = vc->width;
2055 } else if (vc->has_cols) {
2056 width = vc->cols * FONT_WIDTH;
2057 }
2058
2059 if (vc->has_height) {
2060 height = vc->height;
2061 } else if (vc->has_rows) {
2062 height = vc->rows * FONT_HEIGHT;
2063 }
2064
2065 trace_console_txt_new(width, height);
2066 if (width == 0 || height == 0) {
2067 s = new_console(NULL, TEXT_CONSOLE, 0);
2068 } else {
2069 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2070 s->surface = qemu_create_displaysurface(width, height);
2071 }
2072
2073 if (!s) {
2074 g_free(chr);
2075 error_setg(errp, "cannot create text console");
2076 return NULL;
2077 }
2078
2079 s->chr = chr;
2080 chr->opaque = s;
2081 chr->chr_set_echo = text_console_set_echo;
2082
2083 if (display_state) {
2084 text_console_do_init(chr, display_state);
2085 }
2086 return chr;
2087 }
2088
2089 static VcHandler *vc_handler = text_console_init;
2090
2091 static CharDriverState *vc_init(const char *id, ChardevBackend *backend,
2092 ChardevReturn *ret, bool *be_opened,
2093 Error **errp)
2094 {
2095 /* console/chardev init sometimes completes elsewhere in a 2nd
2096 * stage, so defer OPENED events until they are fully initialized
2097 */
2098 *be_opened = false;
2099 return vc_handler(backend->u.vc.data, errp);
2100 }
2101
2102 void register_vc_handler(VcHandler *handler)
2103 {
2104 vc_handler = handler;
2105 }
2106
2107 void qemu_console_resize(QemuConsole *s, int width, int height)
2108 {
2109 DisplaySurface *surface;
2110
2111 assert(s->console_type == GRAPHIC_CONSOLE);
2112
2113 if (s->surface &&
2114 pixman_image_get_width(s->surface->image) == width &&
2115 pixman_image_get_height(s->surface->image) == height) {
2116 return;
2117 }
2118
2119 surface = qemu_create_displaysurface(width, height);
2120 dpy_gfx_replace_surface(s, surface);
2121 }
2122
2123 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
2124 int dst_x, int dst_y, int w, int h)
2125 {
2126 assert(con->console_type == GRAPHIC_CONSOLE);
2127 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
2128 }
2129
2130 DisplaySurface *qemu_console_surface(QemuConsole *console)
2131 {
2132 return console->surface;
2133 }
2134
2135 PixelFormat qemu_default_pixelformat(int bpp)
2136 {
2137 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2138 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2139 return pf;
2140 }
2141
2142 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
2143 Error **errp)
2144 {
2145 int val;
2146 ChardevVC *vc;
2147
2148 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2149 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2150
2151 val = qemu_opt_get_number(opts, "width", 0);
2152 if (val != 0) {
2153 vc->has_width = true;
2154 vc->width = val;
2155 }
2156
2157 val = qemu_opt_get_number(opts, "height", 0);
2158 if (val != 0) {
2159 vc->has_height = true;
2160 vc->height = val;
2161 }
2162
2163 val = qemu_opt_get_number(opts, "cols", 0);
2164 if (val != 0) {
2165 vc->has_cols = true;
2166 vc->cols = val;
2167 }
2168
2169 val = qemu_opt_get_number(opts, "rows", 0);
2170 if (val != 0) {
2171 vc->has_rows = true;
2172 vc->rows = val;
2173 }
2174 }
2175
2176 static const TypeInfo qemu_console_info = {
2177 .name = TYPE_QEMU_CONSOLE,
2178 .parent = TYPE_OBJECT,
2179 .instance_size = sizeof(QemuConsole),
2180 .class_size = sizeof(QemuConsoleClass),
2181 };
2182
2183
2184 static void register_types(void)
2185 {
2186 type_register_static(&qemu_console_info);
2187 register_char_driver("vc", CHARDEV_BACKEND_KIND_VC, qemu_chr_parse_vc,
2188 vc_init);
2189 }
2190
2191 type_init(register_types);
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