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rcu: simplify memory barriers
[qemu/ar7.git] / ui / console.c
blobfa3e658eddfbbda3d0a254cc3c3b20cb3a88a9a1
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 int c;
1087
1088 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1089 return;
1090
1091 switch(keysym) {
1092 case QEMU_KEY_CTRL_UP:
1093 console_scroll(s, -1);
1094 break;
1095 case QEMU_KEY_CTRL_DOWN:
1096 console_scroll(s, 1);
1097 break;
1098 case QEMU_KEY_CTRL_PAGEUP:
1099 console_scroll(s, -10);
1100 break;
1101 case QEMU_KEY_CTRL_PAGEDOWN:
1102 console_scroll(s, 10);
1103 break;
1104 default:
1105 /* convert the QEMU keysym to VT100 key string */
1106 q = buf;
1107 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1108 *q++ = '\033';
1109 *q++ = '[';
1110 c = keysym - 0xe100;
1111 if (c >= 10)
1112 *q++ = '0' + (c / 10);
1113 *q++ = '0' + (c % 10);
1114 *q++ = '~';
1115 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1116 *q++ = '\033';
1117 *q++ = '[';
1118 *q++ = keysym & 0xff;
1119 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1120 console_puts(s->chr, (const uint8_t *) "\r", 1);
1121 *q++ = '\n';
1122 } else {
1123 *q++ = keysym;
1124 }
1125 if (s->echo) {
1126 console_puts(s->chr, buf, q - buf);
1127 }
1128 if (s->chr->chr_read) {
1129 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1130 kbd_send_chars(s);
1131 }
1132 break;
1133 }
1134 }
1135
1136 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1137 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1138 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1139 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1140 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1141 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1142 [Q_KEY_CODE_END] = QEMU_KEY_END,
1143 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1144 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1145 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1146 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1147 };
1148
1149 bool kbd_put_qcode_console(QemuConsole *s, int qcode)
1150 {
1151 int keysym;
1152
1153 keysym = qcode_to_keysym[qcode];
1154 if (keysym == 0) {
1155 return false;
1156 }
1157 kbd_put_keysym_console(s, keysym);
1158 return true;
1159 }
1160
1161 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1162 {
1163 int i;
1164
1165 for (i = 0; i < len && str[i]; i++) {
1166 kbd_put_keysym_console(s, str[i]);
1167 }
1168 }
1169
1170 void kbd_put_keysym(int keysym)
1171 {
1172 kbd_put_keysym_console(active_console, keysym);
1173 }
1174
1175 static void text_console_invalidate(void *opaque)
1176 {
1177 QemuConsole *s = (QemuConsole *) opaque;
1178
1179 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1180 text_console_resize(s);
1181 }
1182 console_refresh(s);
1183 }
1184
1185 static void text_console_update(void *opaque, console_ch_t *chardata)
1186 {
1187 QemuConsole *s = (QemuConsole *) opaque;
1188 int i, j, src;
1189
1190 if (s->text_x[0] <= s->text_x[1]) {
1191 src = (s->y_base + s->text_y[0]) * s->width;
1192 chardata += s->text_y[0] * s->width;
1193 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1194 for (j = 0; j < s->width; j++, src++) {
1195 console_write_ch(chardata ++,
1196 ATTR2CHTYPE(s->cells[src].ch,
1197 s->cells[src].t_attrib.fgcol,
1198 s->cells[src].t_attrib.bgcol,
1199 s->cells[src].t_attrib.bold));
1200 }
1201 dpy_text_update(s, s->text_x[0], s->text_y[0],
1202 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1203 s->text_x[0] = s->width;
1204 s->text_y[0] = s->height;
1205 s->text_x[1] = 0;
1206 s->text_y[1] = 0;
1207 }
1208 if (s->cursor_invalidate) {
1209 dpy_text_cursor(s, s->x, s->y);
1210 s->cursor_invalidate = 0;
1211 }
1212 }
1213
1214 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1215 uint32_t head)
1216 {
1217 Object *obj;
1218 QemuConsole *s;
1219 int i;
1220
1221 obj = object_new(TYPE_QEMU_CONSOLE);
1222 s = QEMU_CONSOLE(obj);
1223 s->head = head;
1224 object_property_add_link(obj, "device", TYPE_DEVICE,
1225 (Object **)&s->device,
1226 object_property_allow_set_link,
1227 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1228 &error_abort);
1229 object_property_add_uint32_ptr(obj, "head",
1230 &s->head, &error_abort);
1231
1232 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1233 (console_type == GRAPHIC_CONSOLE))) {
1234 active_console = s;
1235 }
1236 s->ds = ds;
1237 s->console_type = console_type;
1238
1239 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
1240 if (console_type != GRAPHIC_CONSOLE) {
1241 s->index = nb_consoles;
1242 consoles[nb_consoles++] = s;
1243 } else {
1244 /* HACK: Put graphical consoles before text consoles. */
1245 for (i = nb_consoles; i > 0; i--) {
1246 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1247 break;
1248 consoles[i] = consoles[i - 1];
1249 consoles[i]->index = i;
1250 }
1251 s->index = i;
1252 consoles[i] = s;
1253 nb_consoles++;
1254 }
1255 return s;
1256 }
1257
1258 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1259 {
1260 qemu_pixman_image_unref(surface->image);
1261 surface->image = NULL;
1262
1263 surface->format = PIXMAN_x8r8g8b8;
1264 surface->image = pixman_image_create_bits(surface->format,
1265 width, height,
1266 NULL, width * 4);
1267 assert(surface->image != NULL);
1268
1269 surface->flags = QEMU_ALLOCATED_FLAG;
1270 }
1271
1272 DisplaySurface *qemu_create_displaysurface(int width, int height)
1273 {
1274 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1275
1276 trace_displaysurface_create(surface, width, height);
1277 qemu_alloc_display(surface, width, height);
1278 return surface;
1279 }
1280
1281 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1282 pixman_format_code_t format,
1283 int linesize, uint8_t *data)
1284 {
1285 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1286
1287 trace_displaysurface_create_from(surface, width, height, format);
1288 surface->format = format;
1289 surface->image = pixman_image_create_bits(surface->format,
1290 width, height,
1291 (void *)data, linesize);
1292 assert(surface->image != NULL);
1293
1294 return surface;
1295 }
1296
1297 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1298 {
1299 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1300
1301 trace_displaysurface_create_pixman(surface);
1302 surface->format = pixman_image_get_format(image);
1303 surface->image = pixman_image_ref(image);
1304
1305 return surface;
1306 }
1307
1308 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image,
1309 void *unused)
1310 {
1311 void *data = pixman_image_get_data(image);
1312 uint32_t size = pixman_image_get_stride(image) *
1313 pixman_image_get_height(image);
1314 cpu_physical_memory_unmap(data, size, 0, 0);
1315 }
1316
1317 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
1318 pixman_format_code_t format,
1319 int linesize, uint64_t addr)
1320 {
1321 DisplaySurface *surface;
1322 hwaddr size;
1323 void *data;
1324
1325 if (linesize == 0) {
1326 linesize = width * PIXMAN_FORMAT_BPP(format) / 8;
1327 }
1328
1329 size = (hwaddr)linesize * height;
1330 data = cpu_physical_memory_map(addr, &size, 0);
1331 if (size != (hwaddr)linesize * height) {
1332 cpu_physical_memory_unmap(data, size, 0, 0);
1333 return NULL;
1334 }
1335
1336 surface = qemu_create_displaysurface_from
1337 (width, height, format, linesize, data);
1338 pixman_image_set_destroy_function
1339 (surface->image, qemu_unmap_displaysurface_guestmem, NULL);
1340
1341 return surface;
1342 }
1343
1344 static DisplaySurface *qemu_create_message_surface(int w, int h,
1345 const char *msg)
1346 {
1347 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1348 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1349 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1350 pixman_image_t *glyph;
1351 int len, x, y, i;
1352
1353 len = strlen(msg);
1354 x = (w / FONT_WIDTH - len) / 2;
1355 y = (h / FONT_HEIGHT - 1) / 2;
1356 for (i = 0; i < len; i++) {
1357 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1358 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1359 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1360 qemu_pixman_image_unref(glyph);
1361 }
1362 return surface;
1363 }
1364
1365 void qemu_free_displaysurface(DisplaySurface *surface)
1366 {
1367 if (surface == NULL) {
1368 return;
1369 }
1370 trace_displaysurface_free(surface);
1371 qemu_pixman_image_unref(surface->image);
1372 g_free(surface);
1373 }
1374
1375 bool console_has_gl(QemuConsole *con)
1376 {
1377 return con->gl != NULL;
1378 }
1379
1380 void register_displaychangelistener(DisplayChangeListener *dcl)
1381 {
1382 static const char nodev[] =
1383 "This VM has no graphic display device.";
1384 static DisplaySurface *dummy;
1385 QemuConsole *con;
1386
1387 if (dcl->ops->dpy_gl_ctx_create) {
1388 /* display has opengl support */
1389 assert(dcl->con);
1390 if (dcl->con->gl) {
1391 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1392 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1393 exit(1);
1394 }
1395 dcl->con->gl = dcl;
1396 }
1397
1398 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1399 dcl->ds = get_alloc_displaystate();
1400 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1401 gui_setup_refresh(dcl->ds);
1402 if (dcl->con) {
1403 dcl->con->dcls++;
1404 con = dcl->con;
1405 } else {
1406 con = active_console;
1407 }
1408 if (dcl->ops->dpy_gfx_switch) {
1409 if (con) {
1410 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1411 } else {
1412 if (!dummy) {
1413 dummy = qemu_create_message_surface(640, 480, nodev);
1414 }
1415 dcl->ops->dpy_gfx_switch(dcl, dummy);
1416 }
1417 }
1418 text_console_update_cursor(NULL);
1419 }
1420
1421 void update_displaychangelistener(DisplayChangeListener *dcl,
1422 uint64_t interval)
1423 {
1424 DisplayState *ds = dcl->ds;
1425
1426 dcl->update_interval = interval;
1427 if (!ds->refreshing && ds->update_interval > interval) {
1428 timer_mod(ds->gui_timer, ds->last_update + interval);
1429 }
1430 }
1431
1432 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1433 {
1434 DisplayState *ds = dcl->ds;
1435 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1436 if (dcl->con) {
1437 dcl->con->dcls--;
1438 }
1439 QLIST_REMOVE(dcl, next);
1440 gui_setup_refresh(ds);
1441 }
1442
1443 static void dpy_set_ui_info_timer(void *opaque)
1444 {
1445 QemuConsole *con = opaque;
1446
1447 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1448 }
1449
1450 bool dpy_ui_info_supported(QemuConsole *con)
1451 {
1452 return con->hw_ops->ui_info != NULL;
1453 }
1454
1455 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1456 {
1457 assert(con != NULL);
1458
1459 if (!dpy_ui_info_supported(con)) {
1460 return -1;
1461 }
1462 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1463 /* nothing changed -- ignore */
1464 return 0;
1465 }
1466
1467 /*
1468 * Typically we get a flood of these as the user resizes the window.
1469 * Wait until the dust has settled (one second without updates), then
1470 * go notify the guest.
1471 */
1472 con->ui_info = *info;
1473 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1474 return 0;
1475 }
1476
1477 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1478 {
1479 DisplayState *s = con->ds;
1480 DisplayChangeListener *dcl;
1481 int width = w;
1482 int height = h;
1483
1484 if (con->surface) {
1485 width = surface_width(con->surface);
1486 height = surface_height(con->surface);
1487 }
1488 x = MAX(x, 0);
1489 y = MAX(y, 0);
1490 x = MIN(x, width);
1491 y = MIN(y, height);
1492 w = MIN(w, width - x);
1493 h = MIN(h, height - y);
1494
1495 if (!qemu_console_is_visible(con)) {
1496 return;
1497 }
1498 QLIST_FOREACH(dcl, &s->listeners, next) {
1499 if (con != (dcl->con ? dcl->con : active_console)) {
1500 continue;
1501 }
1502 if (dcl->ops->dpy_gfx_update) {
1503 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1504 }
1505 }
1506 }
1507
1508 void dpy_gfx_replace_surface(QemuConsole *con,
1509 DisplaySurface *surface)
1510 {
1511 DisplayState *s = con->ds;
1512 DisplaySurface *old_surface = con->surface;
1513 DisplayChangeListener *dcl;
1514
1515 con->surface = surface;
1516 QLIST_FOREACH(dcl, &s->listeners, next) {
1517 if (con != (dcl->con ? dcl->con : active_console)) {
1518 continue;
1519 }
1520 if (dcl->ops->dpy_gfx_switch) {
1521 dcl->ops->dpy_gfx_switch(dcl, surface);
1522 }
1523 }
1524 qemu_free_displaysurface(old_surface);
1525 }
1526
1527 bool dpy_gfx_check_format(QemuConsole *con,
1528 pixman_format_code_t format)
1529 {
1530 DisplayChangeListener *dcl;
1531 DisplayState *s = con->ds;
1532
1533 QLIST_FOREACH(dcl, &s->listeners, next) {
1534 if (dcl->con && dcl->con != con) {
1535 /* dcl bound to another console -> skip */
1536 continue;
1537 }
1538 if (dcl->ops->dpy_gfx_check_format) {
1539 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1540 return false;
1541 }
1542 } else {
1543 /* default is to whitelist native 32 bpp only */
1544 if (format != qemu_default_pixman_format(32, true)) {
1545 return false;
1546 }
1547 }
1548 }
1549 return true;
1550 }
1551
1552 static void dpy_refresh(DisplayState *s)
1553 {
1554 DisplayChangeListener *dcl;
1555
1556 QLIST_FOREACH(dcl, &s->listeners, next) {
1557 if (dcl->ops->dpy_refresh) {
1558 dcl->ops->dpy_refresh(dcl);
1559 }
1560 }
1561 }
1562
1563 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1564 int dst_x, int dst_y, int w, int h)
1565 {
1566 DisplayState *s = con->ds;
1567 DisplayChangeListener *dcl;
1568
1569 if (!qemu_console_is_visible(con)) {
1570 return;
1571 }
1572 QLIST_FOREACH(dcl, &s->listeners, next) {
1573 if (con != (dcl->con ? dcl->con : active_console)) {
1574 continue;
1575 }
1576 if (dcl->ops->dpy_gfx_copy) {
1577 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1578 } else { /* TODO */
1579 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1580 }
1581 }
1582 }
1583
1584 void dpy_text_cursor(QemuConsole *con, int x, int y)
1585 {
1586 DisplayState *s = con->ds;
1587 DisplayChangeListener *dcl;
1588
1589 if (!qemu_console_is_visible(con)) {
1590 return;
1591 }
1592 QLIST_FOREACH(dcl, &s->listeners, next) {
1593 if (con != (dcl->con ? dcl->con : active_console)) {
1594 continue;
1595 }
1596 if (dcl->ops->dpy_text_cursor) {
1597 dcl->ops->dpy_text_cursor(dcl, x, y);
1598 }
1599 }
1600 }
1601
1602 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1603 {
1604 DisplayState *s = con->ds;
1605 DisplayChangeListener *dcl;
1606
1607 if (!qemu_console_is_visible(con)) {
1608 return;
1609 }
1610 QLIST_FOREACH(dcl, &s->listeners, next) {
1611 if (con != (dcl->con ? dcl->con : active_console)) {
1612 continue;
1613 }
1614 if (dcl->ops->dpy_text_update) {
1615 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1616 }
1617 }
1618 }
1619
1620 void dpy_text_resize(QemuConsole *con, int w, int h)
1621 {
1622 DisplayState *s = con->ds;
1623 DisplayChangeListener *dcl;
1624
1625 if (!qemu_console_is_visible(con)) {
1626 return;
1627 }
1628 QLIST_FOREACH(dcl, &s->listeners, next) {
1629 if (con != (dcl->con ? dcl->con : active_console)) {
1630 continue;
1631 }
1632 if (dcl->ops->dpy_text_resize) {
1633 dcl->ops->dpy_text_resize(dcl, w, h);
1634 }
1635 }
1636 }
1637
1638 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1639 {
1640 DisplayState *s = con->ds;
1641 DisplayChangeListener *dcl;
1642
1643 if (!qemu_console_is_visible(con)) {
1644 return;
1645 }
1646 QLIST_FOREACH(dcl, &s->listeners, next) {
1647 if (con != (dcl->con ? dcl->con : active_console)) {
1648 continue;
1649 }
1650 if (dcl->ops->dpy_mouse_set) {
1651 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1652 }
1653 }
1654 }
1655
1656 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1657 {
1658 DisplayState *s = con->ds;
1659 DisplayChangeListener *dcl;
1660
1661 if (!qemu_console_is_visible(con)) {
1662 return;
1663 }
1664 QLIST_FOREACH(dcl, &s->listeners, next) {
1665 if (con != (dcl->con ? dcl->con : active_console)) {
1666 continue;
1667 }
1668 if (dcl->ops->dpy_cursor_define) {
1669 dcl->ops->dpy_cursor_define(dcl, cursor);
1670 }
1671 }
1672 }
1673
1674 bool dpy_cursor_define_supported(QemuConsole *con)
1675 {
1676 DisplayState *s = con->ds;
1677 DisplayChangeListener *dcl;
1678
1679 QLIST_FOREACH(dcl, &s->listeners, next) {
1680 if (dcl->ops->dpy_cursor_define) {
1681 return true;
1682 }
1683 }
1684 return false;
1685 }
1686
1687 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1688 struct QEMUGLParams *qparams)
1689 {
1690 assert(con->gl);
1691 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1692 }
1693
1694 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1695 {
1696 assert(con->gl);
1697 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1698 }
1699
1700 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1701 {
1702 assert(con->gl);
1703 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1704 }
1705
1706 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1707 {
1708 assert(con->gl);
1709 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1710 }
1711
1712 void dpy_gl_scanout(QemuConsole *con,
1713 uint32_t backing_id, bool backing_y_0_top,
1714 uint32_t backing_width, uint32_t backing_height,
1715 uint32_t x, uint32_t y, uint32_t width, uint32_t height)
1716 {
1717 assert(con->gl);
1718 con->gl->ops->dpy_gl_scanout(con->gl, backing_id,
1719 backing_y_0_top,
1720 backing_width, backing_height,
1721 x, y, width, height);
1722 }
1723
1724 void dpy_gl_update(QemuConsole *con,
1725 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1726 {
1727 assert(con->gl);
1728 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1729 }
1730
1731 /***********************************************************/
1732 /* register display */
1733
1734 /* console.c internal use only */
1735 static DisplayState *get_alloc_displaystate(void)
1736 {
1737 if (!display_state) {
1738 display_state = g_new0(DisplayState, 1);
1739 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1740 text_console_update_cursor, NULL);
1741 }
1742 return display_state;
1743 }
1744
1745 /*
1746 * Called by main(), after creating QemuConsoles
1747 * and before initializing ui (sdl/vnc/...).
1748 */
1749 DisplayState *init_displaystate(void)
1750 {
1751 gchar *name;
1752 int i;
1753
1754 get_alloc_displaystate();
1755 for (i = 0; i < nb_consoles; i++) {
1756 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1757 consoles[i]->ds == NULL) {
1758 text_console_do_init(consoles[i]->chr, display_state);
1759 }
1760
1761 /* Hook up into the qom tree here (not in new_console()), once
1762 * all QemuConsoles are created and the order / numbering
1763 * doesn't change any more */
1764 name = g_strdup_printf("console[%d]", i);
1765 object_property_add_child(container_get(object_get_root(), "/backend"),
1766 name, OBJECT(consoles[i]), &error_abort);
1767 g_free(name);
1768 }
1769
1770 return display_state;
1771 }
1772
1773 void graphic_console_set_hwops(QemuConsole *con,
1774 const GraphicHwOps *hw_ops,
1775 void *opaque)
1776 {
1777 con->hw_ops = hw_ops;
1778 con->hw = opaque;
1779 }
1780
1781 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1782 const GraphicHwOps *hw_ops,
1783 void *opaque)
1784 {
1785 static const char noinit[] =
1786 "Guest has not initialized the display (yet).";
1787 int width = 640;
1788 int height = 480;
1789 QemuConsole *s;
1790 DisplayState *ds;
1791
1792 ds = get_alloc_displaystate();
1793 trace_console_gfx_new();
1794 s = new_console(ds, GRAPHIC_CONSOLE, head);
1795 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s);
1796 graphic_console_set_hwops(s, hw_ops, opaque);
1797 if (dev) {
1798 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1799 &error_abort);
1800 }
1801
1802 s->surface = qemu_create_message_surface(width, height, noinit);
1803 return s;
1804 }
1805
1806 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1807 {
1808 if (index >= nb_consoles) {
1809 return NULL;
1810 }
1811 return consoles[index];
1812 }
1813
1814 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1815 {
1816 Object *obj;
1817 uint32_t h;
1818 int i;
1819
1820 for (i = 0; i < nb_consoles; i++) {
1821 if (!consoles[i]) {
1822 continue;
1823 }
1824 obj = object_property_get_link(OBJECT(consoles[i]),
1825 "device", &error_abort);
1826 if (DEVICE(obj) != dev) {
1827 continue;
1828 }
1829 h = object_property_get_int(OBJECT(consoles[i]),
1830 "head", &error_abort);
1831 if (h != head) {
1832 continue;
1833 }
1834 return consoles[i];
1835 }
1836 return NULL;
1837 }
1838
1839 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
1840 uint32_t head, Error **errp)
1841 {
1842 DeviceState *dev;
1843 QemuConsole *con;
1844
1845 dev = qdev_find_recursive(sysbus_get_default(), device_id);
1846 if (dev == NULL) {
1847 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
1848 "Device '%s' not found", device_id);
1849 return NULL;
1850 }
1851
1852 con = qemu_console_lookup_by_device(dev, head);
1853 if (con == NULL) {
1854 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
1855 device_id, head);
1856 return NULL;
1857 }
1858
1859 return con;
1860 }
1861
1862 bool qemu_console_is_visible(QemuConsole *con)
1863 {
1864 return (con == active_console) || (con->dcls > 0);
1865 }
1866
1867 bool qemu_console_is_graphic(QemuConsole *con)
1868 {
1869 if (con == NULL) {
1870 con = active_console;
1871 }
1872 return con && (con->console_type == GRAPHIC_CONSOLE);
1873 }
1874
1875 bool qemu_console_is_fixedsize(QemuConsole *con)
1876 {
1877 if (con == NULL) {
1878 con = active_console;
1879 }
1880 return con && (con->console_type != TEXT_CONSOLE);
1881 }
1882
1883 bool qemu_console_is_gl_blocked(QemuConsole *con)
1884 {
1885 assert(con != NULL);
1886 return con->gl_block;
1887 }
1888
1889 char *qemu_console_get_label(QemuConsole *con)
1890 {
1891 if (con->console_type == GRAPHIC_CONSOLE) {
1892 if (con->device) {
1893 return g_strdup(object_get_typename(con->device));
1894 }
1895 return g_strdup("VGA");
1896 } else {
1897 if (con->chr && con->chr->label) {
1898 return g_strdup(con->chr->label);
1899 }
1900 return g_strdup_printf("vc%d", con->index);
1901 }
1902 }
1903
1904 int qemu_console_get_index(QemuConsole *con)
1905 {
1906 if (con == NULL) {
1907 con = active_console;
1908 }
1909 return con ? con->index : -1;
1910 }
1911
1912 uint32_t qemu_console_get_head(QemuConsole *con)
1913 {
1914 if (con == NULL) {
1915 con = active_console;
1916 }
1917 return con ? con->head : -1;
1918 }
1919
1920 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
1921 {
1922 assert(con != NULL);
1923 return &con->ui_info;
1924 }
1925
1926 int qemu_console_get_width(QemuConsole *con, int fallback)
1927 {
1928 if (con == NULL) {
1929 con = active_console;
1930 }
1931 return con ? surface_width(con->surface) : fallback;
1932 }
1933
1934 int qemu_console_get_height(QemuConsole *con, int fallback)
1935 {
1936 if (con == NULL) {
1937 con = active_console;
1938 }
1939 return con ? surface_height(con->surface) : fallback;
1940 }
1941
1942 static void text_console_set_echo(CharDriverState *chr, bool echo)
1943 {
1944 QemuConsole *s = chr->opaque;
1945
1946 s->echo = echo;
1947 }
1948
1949 static void text_console_update_cursor_timer(void)
1950 {
1951 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
1952 + CONSOLE_CURSOR_PERIOD / 2);
1953 }
1954
1955 static void text_console_update_cursor(void *opaque)
1956 {
1957 QemuConsole *s;
1958 int i, count = 0;
1959
1960 cursor_visible_phase = !cursor_visible_phase;
1961
1962 for (i = 0; i < nb_consoles; i++) {
1963 s = consoles[i];
1964 if (qemu_console_is_graphic(s) ||
1965 !qemu_console_is_visible(s)) {
1966 continue;
1967 }
1968 count++;
1969 graphic_hw_invalidate(s);
1970 }
1971
1972 if (count) {
1973 text_console_update_cursor_timer();
1974 }
1975 }
1976
1977 static const GraphicHwOps text_console_ops = {
1978 .invalidate = text_console_invalidate,
1979 .text_update = text_console_update,
1980 };
1981
1982 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1983 {
1984 QemuConsole *s;
1985 int g_width = 80 * FONT_WIDTH;
1986 int g_height = 24 * FONT_HEIGHT;
1987
1988 s = chr->opaque;
1989
1990 chr->chr_write = console_puts;
1991
1992 s->out_fifo.buf = s->out_fifo_buf;
1993 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1994 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
1995 s->ds = ds;
1996
1997 s->y_displayed = 0;
1998 s->y_base = 0;
1999 s->total_height = DEFAULT_BACKSCROLL;
2000 s->x = 0;
2001 s->y = 0;
2002 if (!s->surface) {
2003 if (active_console && active_console->surface) {
2004 g_width = surface_width(active_console->surface);
2005 g_height = surface_height(active_console->surface);
2006 }
2007 s->surface = qemu_create_displaysurface(g_width, g_height);
2008 }
2009
2010 s->hw_ops = &text_console_ops;
2011 s->hw = s;
2012
2013 /* Set text attribute defaults */
2014 s->t_attrib_default.bold = 0;
2015 s->t_attrib_default.uline = 0;
2016 s->t_attrib_default.blink = 0;
2017 s->t_attrib_default.invers = 0;
2018 s->t_attrib_default.unvisible = 0;
2019 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2020 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2021 /* set current text attributes to default */
2022 s->t_attrib = s->t_attrib_default;
2023 text_console_resize(s);
2024
2025 if (chr->label) {
2026 char msg[128];
2027 int len;
2028
2029 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2030 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
2031 console_puts(chr, (uint8_t*)msg, len);
2032 s->t_attrib = s->t_attrib_default;
2033 }
2034
2035 qemu_chr_be_generic_open(chr);
2036 if (chr->init)
2037 chr->init(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 /* console/chardev init sometimes completes elsewhere in a 2nd
2083 * stage, so defer OPENED events until they are fully initialized
2084 */
2085 chr->explicit_be_open = true;
2086
2087 if (display_state) {
2088 text_console_do_init(chr, display_state);
2089 }
2090 return chr;
2091 }
2092
2093 static VcHandler *vc_handler = text_console_init;
2094
2095 static CharDriverState *vc_init(const char *id, ChardevBackend *backend,
2096 ChardevReturn *ret, Error **errp)
2097 {
2098 return vc_handler(backend->u.vc.data, errp);
2099 }
2100
2101 void register_vc_handler(VcHandler *handler)
2102 {
2103 vc_handler = handler;
2104 }
2105
2106 void qemu_console_resize(QemuConsole *s, int width, int height)
2107 {
2108 DisplaySurface *surface;
2109
2110 assert(s->console_type == GRAPHIC_CONSOLE);
2111
2112 if (s->surface &&
2113 pixman_image_get_width(s->surface->image) == width &&
2114 pixman_image_get_height(s->surface->image) == height) {
2115 return;
2116 }
2117
2118 surface = qemu_create_displaysurface(width, height);
2119 dpy_gfx_replace_surface(s, surface);
2120 }
2121
2122 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
2123 int dst_x, int dst_y, int w, int h)
2124 {
2125 assert(con->console_type == GRAPHIC_CONSOLE);
2126 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
2127 }
2128
2129 DisplaySurface *qemu_console_surface(QemuConsole *console)
2130 {
2131 return console->surface;
2132 }
2133
2134 PixelFormat qemu_default_pixelformat(int bpp)
2135 {
2136 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2137 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2138 return pf;
2139 }
2140
2141 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
2142 Error **errp)
2143 {
2144 int val;
2145 ChardevVC *vc;
2146
2147 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2148 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2149
2150 val = qemu_opt_get_number(opts, "width", 0);
2151 if (val != 0) {
2152 vc->has_width = true;
2153 vc->width = val;
2154 }
2155
2156 val = qemu_opt_get_number(opts, "height", 0);
2157 if (val != 0) {
2158 vc->has_height = true;
2159 vc->height = val;
2160 }
2161
2162 val = qemu_opt_get_number(opts, "cols", 0);
2163 if (val != 0) {
2164 vc->has_cols = true;
2165 vc->cols = val;
2166 }
2167
2168 val = qemu_opt_get_number(opts, "rows", 0);
2169 if (val != 0) {
2170 vc->has_rows = true;
2171 vc->rows = val;
2172 }
2173 }
2174
2175 static const TypeInfo qemu_console_info = {
2176 .name = TYPE_QEMU_CONSOLE,
2177 .parent = TYPE_OBJECT,
2178 .instance_size = sizeof(QemuConsole),
2179 .class_size = sizeof(QemuConsoleClass),
2180 };
2181
2182
2183 static void register_types(void)
2184 {
2185 type_register_static(&qemu_console_info);
2186 register_char_driver("vc", CHARDEV_BACKEND_KIND_VC, qemu_chr_parse_vc,
2187 vc_init);
2188 }
2189
2190 type_init(register_types);
AR7 emulation for QEMU