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qcow2: Fix corruption on write_zeroes with MAY_UNMAP
[qemu/ar7.git] / ui / console.c
blobe07d2c380df75f84f6cb6c6b7f1f80bf9e3f9951
1 /*
2 * QEMU graphical console
3 *
4 * Copyright (c) 2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "ui/console.h"
27 #include "hw/qdev-core.h"
28 #include "qapi/error.h"
29 #include "qapi/qapi-commands-ui.h"
30 #include "qemu/module.h"
31 #include "qemu/option.h"
32 #include "qemu/timer.h"
33 #include "chardev/char-fe.h"
34 #include "trace.h"
35 #include "exec/memory.h"
36 #include "io/channel-file.h"
37 #include "qom/object.h"
38
39 #define DEFAULT_BACKSCROLL 512
40 #define CONSOLE_CURSOR_PERIOD 500
41
42 typedef struct TextAttributes {
43 uint8_t fgcol:4;
44 uint8_t bgcol:4;
45 uint8_t bold:1;
46 uint8_t uline:1;
47 uint8_t blink:1;
48 uint8_t invers:1;
49 uint8_t unvisible:1;
50 } TextAttributes;
51
52 typedef struct TextCell {
53 uint8_t ch;
54 TextAttributes t_attrib;
55 } TextCell;
56
57 #define MAX_ESC_PARAMS 3
58
59 enum TTYState {
60 TTY_STATE_NORM,
61 TTY_STATE_ESC,
62 TTY_STATE_CSI,
63 };
64
65 typedef struct QEMUFIFO {
66 uint8_t *buf;
67 int buf_size;
68 int count, wptr, rptr;
69 } QEMUFIFO;
70
71 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
72 {
73 int l, len;
74
75 l = f->buf_size - f->count;
76 if (len1 > l)
77 len1 = l;
78 len = len1;
79 while (len > 0) {
80 l = f->buf_size - f->wptr;
81 if (l > len)
82 l = len;
83 memcpy(f->buf + f->wptr, buf, l);
84 f->wptr += l;
85 if (f->wptr >= f->buf_size)
86 f->wptr = 0;
87 buf += l;
88 len -= l;
89 }
90 f->count += len1;
91 return len1;
92 }
93
94 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
95 {
96 int l, len;
97
98 if (len1 > f->count)
99 len1 = f->count;
100 len = len1;
101 while (len > 0) {
102 l = f->buf_size - f->rptr;
103 if (l > len)
104 l = len;
105 memcpy(buf, f->buf + f->rptr, l);
106 f->rptr += l;
107 if (f->rptr >= f->buf_size)
108 f->rptr = 0;
109 buf += l;
110 len -= l;
111 }
112 f->count -= len1;
113 return len1;
114 }
115
116 typedef enum {
117 GRAPHIC_CONSOLE,
118 TEXT_CONSOLE,
119 TEXT_CONSOLE_FIXED_SIZE
120 } console_type_t;
121
122 struct QemuConsole {
123 Object parent;
124
125 int index;
126 console_type_t console_type;
127 DisplayState *ds;
128 DisplaySurface *surface;
129 int dcls;
130 DisplayChangeListener *gl;
131 bool gl_block;
132 int window_id;
133
134 /* Graphic console state. */
135 Object *device;
136 uint32_t head;
137 QemuUIInfo ui_info;
138 QEMUTimer *ui_timer;
139 const GraphicHwOps *hw_ops;
140 void *hw;
141
142 /* Text console state */
143 int width;
144 int height;
145 int total_height;
146 int backscroll_height;
147 int x, y;
148 int x_saved, y_saved;
149 int y_displayed;
150 int y_base;
151 TextAttributes t_attrib_default; /* default text attributes */
152 TextAttributes t_attrib; /* currently active text attributes */
153 TextCell *cells;
154 int text_x[2], text_y[2], cursor_invalidate;
155 int echo;
156
157 int update_x0;
158 int update_y0;
159 int update_x1;
160 int update_y1;
161
162 enum TTYState state;
163 int esc_params[MAX_ESC_PARAMS];
164 int nb_esc_params;
165
166 Chardev *chr;
167 /* fifo for key pressed */
168 QEMUFIFO out_fifo;
169 uint8_t out_fifo_buf[16];
170 QEMUTimer *kbd_timer;
171 CoQueue dump_queue;
172
173 QTAILQ_ENTRY(QemuConsole) next;
174 };
175
176 struct DisplayState {
177 QEMUTimer *gui_timer;
178 uint64_t last_update;
179 uint64_t update_interval;
180 bool refreshing;
181 bool have_gfx;
182 bool have_text;
183
184 QLIST_HEAD(, DisplayChangeListener) listeners;
185 };
186
187 static DisplayState *display_state;
188 static QemuConsole *active_console;
189 static QTAILQ_HEAD(, QemuConsole) consoles =
190 QTAILQ_HEAD_INITIALIZER(consoles);
191 static bool cursor_visible_phase;
192 static QEMUTimer *cursor_timer;
193
194 static void text_console_do_init(Chardev *chr, DisplayState *ds);
195 static void dpy_refresh(DisplayState *s);
196 static DisplayState *get_alloc_displaystate(void);
197 static void text_console_update_cursor_timer(void);
198 static void text_console_update_cursor(void *opaque);
199
200 static void gui_update(void *opaque)
201 {
202 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
203 uint64_t dcl_interval;
204 DisplayState *ds = opaque;
205 DisplayChangeListener *dcl;
206 QemuConsole *con;
207
208 ds->refreshing = true;
209 dpy_refresh(ds);
210 ds->refreshing = false;
211
212 QLIST_FOREACH(dcl, &ds->listeners, next) {
213 dcl_interval = dcl->update_interval ?
214 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
215 if (interval > dcl_interval) {
216 interval = dcl_interval;
217 }
218 }
219 if (ds->update_interval != interval) {
220 ds->update_interval = interval;
221 QTAILQ_FOREACH(con, &consoles, next) {
222 if (con->hw_ops->update_interval) {
223 con->hw_ops->update_interval(con->hw, interval);
224 }
225 }
226 trace_console_refresh(interval);
227 }
228 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
229 timer_mod(ds->gui_timer, ds->last_update + interval);
230 }
231
232 static void gui_setup_refresh(DisplayState *ds)
233 {
234 DisplayChangeListener *dcl;
235 bool need_timer = false;
236 bool have_gfx = false;
237 bool have_text = false;
238
239 QLIST_FOREACH(dcl, &ds->listeners, next) {
240 if (dcl->ops->dpy_refresh != NULL) {
241 need_timer = true;
242 }
243 if (dcl->ops->dpy_gfx_update != NULL) {
244 have_gfx = true;
245 }
246 if (dcl->ops->dpy_text_update != NULL) {
247 have_text = true;
248 }
249 }
250
251 if (need_timer && ds->gui_timer == NULL) {
252 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
253 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
254 }
255 if (!need_timer && ds->gui_timer != NULL) {
256 timer_del(ds->gui_timer);
257 timer_free(ds->gui_timer);
258 ds->gui_timer = NULL;
259 }
260
261 ds->have_gfx = have_gfx;
262 ds->have_text = have_text;
263 }
264
265 void graphic_hw_update_done(QemuConsole *con)
266 {
267 qemu_co_queue_restart_all(&con->dump_queue);
268 }
269
270 void graphic_hw_update(QemuConsole *con)
271 {
272 bool async = false;
273 con = con ? con : active_console;
274 if (!con) {
275 return;
276 }
277 if (con->hw_ops->gfx_update) {
278 con->hw_ops->gfx_update(con->hw);
279 async = con->hw_ops->gfx_update_async;
280 }
281 if (!async) {
282 graphic_hw_update_done(con);
283 }
284 }
285
286 void graphic_hw_gl_block(QemuConsole *con, bool block)
287 {
288 assert(con != NULL);
289
290 con->gl_block = block;
291 if (con->hw_ops->gl_block) {
292 con->hw_ops->gl_block(con->hw, block);
293 }
294 }
295
296 int qemu_console_get_window_id(QemuConsole *con)
297 {
298 return con->window_id;
299 }
300
301 void qemu_console_set_window_id(QemuConsole *con, int window_id)
302 {
303 con->window_id = window_id;
304 }
305
306 void graphic_hw_invalidate(QemuConsole *con)
307 {
308 if (!con) {
309 con = active_console;
310 }
311 if (con && con->hw_ops->invalidate) {
312 con->hw_ops->invalidate(con->hw);
313 }
314 }
315
316 static bool ppm_save(int fd, pixman_image_t *image, Error **errp)
317 {
318 int width = pixman_image_get_width(image);
319 int height = pixman_image_get_height(image);
320 g_autoptr(Object) ioc = OBJECT(qio_channel_file_new_fd(fd));
321 g_autofree char *header = NULL;
322 g_autoptr(pixman_image_t) linebuf = NULL;
323 int y;
324
325 trace_ppm_save(fd, image);
326
327 header = g_strdup_printf("P6\n%d %d\n%d\n", width, height, 255);
328 if (qio_channel_write_all(QIO_CHANNEL(ioc),
329 header, strlen(header), errp) < 0) {
330 return false;
331 }
332
333 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
334 for (y = 0; y < height; y++) {
335 qemu_pixman_linebuf_fill(linebuf, image, width, 0, y);
336 if (qio_channel_write_all(QIO_CHANNEL(ioc),
337 (char *)pixman_image_get_data(linebuf),
338 pixman_image_get_stride(linebuf), errp) < 0) {
339 return false;
340 }
341 }
342
343 return true;
344 }
345
346 static void graphic_hw_update_bh(void *con)
347 {
348 graphic_hw_update(con);
349 }
350
351 /* Safety: coroutine-only, concurrent-coroutine safe, main thread only */
352 void coroutine_fn
353 qmp_screendump(const char *filename, bool has_device, const char *device,
354 bool has_head, int64_t head, Error **errp)
355 {
356 g_autoptr(pixman_image_t) image = NULL;
357 QemuConsole *con;
358 DisplaySurface *surface;
359 int fd;
360
361 if (has_device) {
362 con = qemu_console_lookup_by_device_name(device, has_head ? head : 0,
363 errp);
364 if (!con) {
365 return;
366 }
367 } else {
368 if (has_head) {
369 error_setg(errp, "'head' must be specified together with 'device'");
370 return;
371 }
372 con = qemu_console_lookup_by_index(0);
373 if (!con) {
374 error_setg(errp, "There is no console to take a screendump from");
375 return;
376 }
377 }
378
379 if (qemu_co_queue_empty(&con->dump_queue)) {
380 /* Defer the update, it will restart the pending coroutines */
381 aio_bh_schedule_oneshot(qemu_get_aio_context(),
382 graphic_hw_update_bh, con);
383 }
384 qemu_co_queue_wait(&con->dump_queue, NULL);
385
386 /*
387 * All pending coroutines are woken up, while the BQL is held. No
388 * further graphic update are possible until it is released. Take
389 * an image ref before that.
390 */
391 surface = qemu_console_surface(con);
392 if (!surface) {
393 error_setg(errp, "no surface");
394 return;
395 }
396 image = pixman_image_ref(surface->image);
397
398 fd = qemu_open_old(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
399 if (fd == -1) {
400 error_setg(errp, "failed to open file '%s': %s", filename,
401 strerror(errno));
402 return;
403 }
404
405 /*
406 * The image content could potentially be updated as the coroutine
407 * yields and releases the BQL. It could produce corrupted dump, but
408 * it should be otherwise safe.
409 */
410 if (!ppm_save(fd, image, errp)) {
411 qemu_unlink(filename);
412 }
413 }
414
415 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
416 {
417 if (!con) {
418 con = active_console;
419 }
420 if (con && con->hw_ops->text_update) {
421 con->hw_ops->text_update(con->hw, chardata);
422 }
423 }
424
425 static void vga_fill_rect(QemuConsole *con,
426 int posx, int posy, int width, int height,
427 pixman_color_t color)
428 {
429 DisplaySurface *surface = qemu_console_surface(con);
430 pixman_rectangle16_t rect = {
431 .x = posx, .y = posy, .width = width, .height = height
432 };
433
434 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
435 &color, 1, &rect);
436 }
437
438 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
439 static void vga_bitblt(QemuConsole *con,
440 int xs, int ys, int xd, int yd, int w, int h)
441 {
442 DisplaySurface *surface = qemu_console_surface(con);
443
444 pixman_image_composite(PIXMAN_OP_SRC,
445 surface->image, NULL, surface->image,
446 xs, ys, 0, 0, xd, yd, w, h);
447 }
448
449 /***********************************************************/
450 /* basic char display */
451
452 #define FONT_HEIGHT 16
453 #define FONT_WIDTH 8
454
455 #include "vgafont.h"
456
457 #define QEMU_RGB(r, g, b) \
458 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
459
460 static const pixman_color_t color_table_rgb[2][8] = {
461 { /* dark */
462 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
463 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
464 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
465 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
466 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
467 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
468 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
469 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
470 },
471 { /* bright */
472 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
473 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
474 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
475 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
476 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
477 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
478 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
479 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
480 }
481 };
482
483 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
484 TextAttributes *t_attrib)
485 {
486 static pixman_image_t *glyphs[256];
487 DisplaySurface *surface = qemu_console_surface(s);
488 pixman_color_t fgcol, bgcol;
489
490 if (t_attrib->invers) {
491 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
492 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
493 } else {
494 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
495 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
496 }
497
498 if (!glyphs[ch]) {
499 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
500 }
501 qemu_pixman_glyph_render(glyphs[ch], surface->image,
502 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
503 }
504
505 static void text_console_resize(QemuConsole *s)
506 {
507 TextCell *cells, *c, *c1;
508 int w1, x, y, last_width;
509
510 last_width = s->width;
511 s->width = surface_width(s->surface) / FONT_WIDTH;
512 s->height = surface_height(s->surface) / FONT_HEIGHT;
513
514 w1 = last_width;
515 if (s->width < w1)
516 w1 = s->width;
517
518 cells = g_new(TextCell, s->width * s->total_height + 1);
519 for(y = 0; y < s->total_height; y++) {
520 c = &cells[y * s->width];
521 if (w1 > 0) {
522 c1 = &s->cells[y * last_width];
523 for(x = 0; x < w1; x++) {
524 *c++ = *c1++;
525 }
526 }
527 for(x = w1; x < s->width; x++) {
528 c->ch = ' ';
529 c->t_attrib = s->t_attrib_default;
530 c++;
531 }
532 }
533 g_free(s->cells);
534 s->cells = cells;
535 }
536
537 static inline void text_update_xy(QemuConsole *s, int x, int y)
538 {
539 s->text_x[0] = MIN(s->text_x[0], x);
540 s->text_x[1] = MAX(s->text_x[1], x);
541 s->text_y[0] = MIN(s->text_y[0], y);
542 s->text_y[1] = MAX(s->text_y[1], y);
543 }
544
545 static void invalidate_xy(QemuConsole *s, int x, int y)
546 {
547 if (!qemu_console_is_visible(s)) {
548 return;
549 }
550 if (s->update_x0 > x * FONT_WIDTH)
551 s->update_x0 = x * FONT_WIDTH;
552 if (s->update_y0 > y * FONT_HEIGHT)
553 s->update_y0 = y * FONT_HEIGHT;
554 if (s->update_x1 < (x + 1) * FONT_WIDTH)
555 s->update_x1 = (x + 1) * FONT_WIDTH;
556 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
557 s->update_y1 = (y + 1) * FONT_HEIGHT;
558 }
559
560 static void update_xy(QemuConsole *s, int x, int y)
561 {
562 TextCell *c;
563 int y1, y2;
564
565 if (s->ds->have_text) {
566 text_update_xy(s, x, y);
567 }
568
569 y1 = (s->y_base + y) % s->total_height;
570 y2 = y1 - s->y_displayed;
571 if (y2 < 0) {
572 y2 += s->total_height;
573 }
574 if (y2 < s->height) {
575 if (x >= s->width) {
576 x = s->width - 1;
577 }
578 c = &s->cells[y1 * s->width + x];
579 vga_putcharxy(s, x, y2, c->ch,
580 &(c->t_attrib));
581 invalidate_xy(s, x, y2);
582 }
583 }
584
585 static void console_show_cursor(QemuConsole *s, int show)
586 {
587 TextCell *c;
588 int y, y1;
589 int x = s->x;
590
591 if (s->ds->have_text) {
592 s->cursor_invalidate = 1;
593 }
594
595 if (x >= s->width) {
596 x = s->width - 1;
597 }
598 y1 = (s->y_base + s->y) % s->total_height;
599 y = y1 - s->y_displayed;
600 if (y < 0) {
601 y += s->total_height;
602 }
603 if (y < s->height) {
604 c = &s->cells[y1 * s->width + x];
605 if (show && cursor_visible_phase) {
606 TextAttributes t_attrib = s->t_attrib_default;
607 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
608 vga_putcharxy(s, x, y, c->ch, &t_attrib);
609 } else {
610 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
611 }
612 invalidate_xy(s, x, y);
613 }
614 }
615
616 static void console_refresh(QemuConsole *s)
617 {
618 DisplaySurface *surface = qemu_console_surface(s);
619 TextCell *c;
620 int x, y, y1;
621
622 if (s->ds->have_text) {
623 s->text_x[0] = 0;
624 s->text_y[0] = 0;
625 s->text_x[1] = s->width - 1;
626 s->text_y[1] = s->height - 1;
627 s->cursor_invalidate = 1;
628 }
629
630 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
631 color_table_rgb[0][QEMU_COLOR_BLACK]);
632 y1 = s->y_displayed;
633 for (y = 0; y < s->height; y++) {
634 c = s->cells + y1 * s->width;
635 for (x = 0; x < s->width; x++) {
636 vga_putcharxy(s, x, y, c->ch,
637 &(c->t_attrib));
638 c++;
639 }
640 if (++y1 == s->total_height) {
641 y1 = 0;
642 }
643 }
644 console_show_cursor(s, 1);
645 dpy_gfx_update(s, 0, 0,
646 surface_width(surface), surface_height(surface));
647 }
648
649 static void console_scroll(QemuConsole *s, int ydelta)
650 {
651 int i, y1;
652
653 if (ydelta > 0) {
654 for(i = 0; i < ydelta; i++) {
655 if (s->y_displayed == s->y_base)
656 break;
657 if (++s->y_displayed == s->total_height)
658 s->y_displayed = 0;
659 }
660 } else {
661 ydelta = -ydelta;
662 i = s->backscroll_height;
663 if (i > s->total_height - s->height)
664 i = s->total_height - s->height;
665 y1 = s->y_base - i;
666 if (y1 < 0)
667 y1 += s->total_height;
668 for(i = 0; i < ydelta; i++) {
669 if (s->y_displayed == y1)
670 break;
671 if (--s->y_displayed < 0)
672 s->y_displayed = s->total_height - 1;
673 }
674 }
675 console_refresh(s);
676 }
677
678 static void console_put_lf(QemuConsole *s)
679 {
680 TextCell *c;
681 int x, y1;
682
683 s->y++;
684 if (s->y >= s->height) {
685 s->y = s->height - 1;
686
687 if (s->y_displayed == s->y_base) {
688 if (++s->y_displayed == s->total_height)
689 s->y_displayed = 0;
690 }
691 if (++s->y_base == s->total_height)
692 s->y_base = 0;
693 if (s->backscroll_height < s->total_height)
694 s->backscroll_height++;
695 y1 = (s->y_base + s->height - 1) % s->total_height;
696 c = &s->cells[y1 * s->width];
697 for(x = 0; x < s->width; x++) {
698 c->ch = ' ';
699 c->t_attrib = s->t_attrib_default;
700 c++;
701 }
702 if (s->y_displayed == s->y_base) {
703 if (s->ds->have_text) {
704 s->text_x[0] = 0;
705 s->text_y[0] = 0;
706 s->text_x[1] = s->width - 1;
707 s->text_y[1] = s->height - 1;
708 }
709
710 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
711 s->width * FONT_WIDTH,
712 (s->height - 1) * FONT_HEIGHT);
713 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
714 s->width * FONT_WIDTH, FONT_HEIGHT,
715 color_table_rgb[0][s->t_attrib_default.bgcol]);
716 s->update_x0 = 0;
717 s->update_y0 = 0;
718 s->update_x1 = s->width * FONT_WIDTH;
719 s->update_y1 = s->height * FONT_HEIGHT;
720 }
721 }
722 }
723
724 /* Set console attributes depending on the current escape codes.
725 * NOTE: I know this code is not very efficient (checking every color for it
726 * self) but it is more readable and better maintainable.
727 */
728 static void console_handle_escape(QemuConsole *s)
729 {
730 int i;
731
732 for (i=0; i<s->nb_esc_params; i++) {
733 switch (s->esc_params[i]) {
734 case 0: /* reset all console attributes to default */
735 s->t_attrib = s->t_attrib_default;
736 break;
737 case 1:
738 s->t_attrib.bold = 1;
739 break;
740 case 4:
741 s->t_attrib.uline = 1;
742 break;
743 case 5:
744 s->t_attrib.blink = 1;
745 break;
746 case 7:
747 s->t_attrib.invers = 1;
748 break;
749 case 8:
750 s->t_attrib.unvisible = 1;
751 break;
752 case 22:
753 s->t_attrib.bold = 0;
754 break;
755 case 24:
756 s->t_attrib.uline = 0;
757 break;
758 case 25:
759 s->t_attrib.blink = 0;
760 break;
761 case 27:
762 s->t_attrib.invers = 0;
763 break;
764 case 28:
765 s->t_attrib.unvisible = 0;
766 break;
767 /* set foreground color */
768 case 30:
769 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
770 break;
771 case 31:
772 s->t_attrib.fgcol = QEMU_COLOR_RED;
773 break;
774 case 32:
775 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
776 break;
777 case 33:
778 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
779 break;
780 case 34:
781 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
782 break;
783 case 35:
784 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
785 break;
786 case 36:
787 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
788 break;
789 case 37:
790 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
791 break;
792 /* set background color */
793 case 40:
794 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
795 break;
796 case 41:
797 s->t_attrib.bgcol = QEMU_COLOR_RED;
798 break;
799 case 42:
800 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
801 break;
802 case 43:
803 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
804 break;
805 case 44:
806 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
807 break;
808 case 45:
809 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
810 break;
811 case 46:
812 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
813 break;
814 case 47:
815 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
816 break;
817 }
818 }
819 }
820
821 static void console_clear_xy(QemuConsole *s, int x, int y)
822 {
823 int y1 = (s->y_base + y) % s->total_height;
824 if (x >= s->width) {
825 x = s->width - 1;
826 }
827 TextCell *c = &s->cells[y1 * s->width + x];
828 c->ch = ' ';
829 c->t_attrib = s->t_attrib_default;
830 update_xy(s, x, y);
831 }
832
833 static void console_put_one(QemuConsole *s, int ch)
834 {
835 TextCell *c;
836 int y1;
837 if (s->x >= s->width) {
838 /* line wrap */
839 s->x = 0;
840 console_put_lf(s);
841 }
842 y1 = (s->y_base + s->y) % s->total_height;
843 c = &s->cells[y1 * s->width + s->x];
844 c->ch = ch;
845 c->t_attrib = s->t_attrib;
846 update_xy(s, s->x, s->y);
847 s->x++;
848 }
849
850 static void console_respond_str(QemuConsole *s, const char *buf)
851 {
852 while (*buf) {
853 console_put_one(s, *buf);
854 buf++;
855 }
856 }
857
858 /* set cursor, checking bounds */
859 static void set_cursor(QemuConsole *s, int x, int y)
860 {
861 if (x < 0) {
862 x = 0;
863 }
864 if (y < 0) {
865 y = 0;
866 }
867 if (y >= s->height) {
868 y = s->height - 1;
869 }
870 if (x >= s->width) {
871 x = s->width - 1;
872 }
873
874 s->x = x;
875 s->y = y;
876 }
877
878 static void console_putchar(QemuConsole *s, int ch)
879 {
880 int i;
881 int x, y;
882 char response[40];
883
884 switch(s->state) {
885 case TTY_STATE_NORM:
886 switch(ch) {
887 case '\r': /* carriage return */
888 s->x = 0;
889 break;
890 case '\n': /* newline */
891 console_put_lf(s);
892 break;
893 case '\b': /* backspace */
894 if (s->x > 0)
895 s->x--;
896 break;
897 case '\t': /* tabspace */
898 if (s->x + (8 - (s->x % 8)) > s->width) {
899 s->x = 0;
900 console_put_lf(s);
901 } else {
902 s->x = s->x + (8 - (s->x % 8));
903 }
904 break;
905 case '\a': /* alert aka. bell */
906 /* TODO: has to be implemented */
907 break;
908 case 14:
909 /* SI (shift in), character set 0 (ignored) */
910 break;
911 case 15:
912 /* SO (shift out), character set 1 (ignored) */
913 break;
914 case 27: /* esc (introducing an escape sequence) */
915 s->state = TTY_STATE_ESC;
916 break;
917 default:
918 console_put_one(s, ch);
919 break;
920 }
921 break;
922 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
923 if (ch == '[') {
924 for(i=0;i<MAX_ESC_PARAMS;i++)
925 s->esc_params[i] = 0;
926 s->nb_esc_params = 0;
927 s->state = TTY_STATE_CSI;
928 } else {
929 s->state = TTY_STATE_NORM;
930 }
931 break;
932 case TTY_STATE_CSI: /* handle escape sequence parameters */
933 if (ch >= '0' && ch <= '9') {
934 if (s->nb_esc_params < MAX_ESC_PARAMS) {
935 int *param = &s->esc_params[s->nb_esc_params];
936 int digit = (ch - '0');
937
938 *param = (*param <= (INT_MAX - digit) / 10) ?
939 *param * 10 + digit : INT_MAX;
940 }
941 } else {
942 if (s->nb_esc_params < MAX_ESC_PARAMS)
943 s->nb_esc_params++;
944 if (ch == ';' || ch == '?') {
945 break;
946 }
947 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
948 ch, s->nb_esc_params);
949 s->state = TTY_STATE_NORM;
950 switch(ch) {
951 case 'A':
952 /* move cursor up */
953 if (s->esc_params[0] == 0) {
954 s->esc_params[0] = 1;
955 }
956 set_cursor(s, s->x, s->y - s->esc_params[0]);
957 break;
958 case 'B':
959 /* move cursor down */
960 if (s->esc_params[0] == 0) {
961 s->esc_params[0] = 1;
962 }
963 set_cursor(s, s->x, s->y + s->esc_params[0]);
964 break;
965 case 'C':
966 /* move cursor right */
967 if (s->esc_params[0] == 0) {
968 s->esc_params[0] = 1;
969 }
970 set_cursor(s, s->x + s->esc_params[0], s->y);
971 break;
972 case 'D':
973 /* move cursor left */
974 if (s->esc_params[0] == 0) {
975 s->esc_params[0] = 1;
976 }
977 set_cursor(s, s->x - s->esc_params[0], s->y);
978 break;
979 case 'G':
980 /* move cursor to column */
981 set_cursor(s, s->esc_params[0] - 1, s->y);
982 break;
983 case 'f':
984 case 'H':
985 /* move cursor to row, column */
986 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
987 break;
988 case 'J':
989 switch (s->esc_params[0]) {
990 case 0:
991 /* clear to end of screen */
992 for (y = s->y; y < s->height; y++) {
993 for (x = 0; x < s->width; x++) {
994 if (y == s->y && x < s->x) {
995 continue;
996 }
997 console_clear_xy(s, x, y);
998 }
999 }
1000 break;
1001 case 1:
1002 /* clear from beginning of screen */
1003 for (y = 0; y <= s->y; y++) {
1004 for (x = 0; x < s->width; x++) {
1005 if (y == s->y && x > s->x) {
1006 break;
1007 }
1008 console_clear_xy(s, x, y);
1009 }
1010 }
1011 break;
1012 case 2:
1013 /* clear entire screen */
1014 for (y = 0; y <= s->height; y++) {
1015 for (x = 0; x < s->width; x++) {
1016 console_clear_xy(s, x, y);
1017 }
1018 }
1019 break;
1020 }
1021 break;
1022 case 'K':
1023 switch (s->esc_params[0]) {
1024 case 0:
1025 /* clear to eol */
1026 for(x = s->x; x < s->width; x++) {
1027 console_clear_xy(s, x, s->y);
1028 }
1029 break;
1030 case 1:
1031 /* clear from beginning of line */
1032 for (x = 0; x <= s->x && x < s->width; x++) {
1033 console_clear_xy(s, x, s->y);
1034 }
1035 break;
1036 case 2:
1037 /* clear entire line */
1038 for(x = 0; x < s->width; x++) {
1039 console_clear_xy(s, x, s->y);
1040 }
1041 break;
1042 }
1043 break;
1044 case 'm':
1045 console_handle_escape(s);
1046 break;
1047 case 'n':
1048 switch (s->esc_params[0]) {
1049 case 5:
1050 /* report console status (always succeed)*/
1051 console_respond_str(s, "\033[0n");
1052 break;
1053 case 6:
1054 /* report cursor position */
1055 sprintf(response, "\033[%d;%dR",
1056 (s->y_base + s->y) % s->total_height + 1,
1057 s->x + 1);
1058 console_respond_str(s, response);
1059 break;
1060 }
1061 break;
1062 case 's':
1063 /* save cursor position */
1064 s->x_saved = s->x;
1065 s->y_saved = s->y;
1066 break;
1067 case 'u':
1068 /* restore cursor position */
1069 s->x = s->x_saved;
1070 s->y = s->y_saved;
1071 break;
1072 default:
1073 trace_console_putchar_unhandled(ch);
1074 break;
1075 }
1076 break;
1077 }
1078 }
1079 }
1080
1081 void console_select(unsigned int index)
1082 {
1083 DisplayChangeListener *dcl;
1084 QemuConsole *s;
1085
1086 trace_console_select(index);
1087 s = qemu_console_lookup_by_index(index);
1088 if (s) {
1089 DisplayState *ds = s->ds;
1090
1091 active_console = s;
1092 if (ds->have_gfx) {
1093 QLIST_FOREACH(dcl, &ds->listeners, next) {
1094 if (dcl->con != NULL) {
1095 continue;
1096 }
1097 if (dcl->ops->dpy_gfx_switch) {
1098 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1099 }
1100 }
1101 if (s->surface) {
1102 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1103 surface_height(s->surface));
1104 }
1105 }
1106 if (ds->have_text) {
1107 dpy_text_resize(s, s->width, s->height);
1108 }
1109 text_console_update_cursor(NULL);
1110 }
1111 }
1112
1113 struct VCChardev {
1114 Chardev parent;
1115 QemuConsole *console;
1116 };
1117 typedef struct VCChardev VCChardev;
1118
1119 #define TYPE_CHARDEV_VC "chardev-vc"
1120 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
1121 TYPE_CHARDEV_VC)
1122
1123 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1124 {
1125 VCChardev *drv = VC_CHARDEV(chr);
1126 QemuConsole *s = drv->console;
1127 int i;
1128
1129 if (!s->ds) {
1130 return 0;
1131 }
1132
1133 s->update_x0 = s->width * FONT_WIDTH;
1134 s->update_y0 = s->height * FONT_HEIGHT;
1135 s->update_x1 = 0;
1136 s->update_y1 = 0;
1137 console_show_cursor(s, 0);
1138 for(i = 0; i < len; i++) {
1139 console_putchar(s, buf[i]);
1140 }
1141 console_show_cursor(s, 1);
1142 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1143 dpy_gfx_update(s, s->update_x0, s->update_y0,
1144 s->update_x1 - s->update_x0,
1145 s->update_y1 - s->update_y0);
1146 }
1147 return len;
1148 }
1149
1150 static void kbd_send_chars(void *opaque)
1151 {
1152 QemuConsole *s = opaque;
1153 int len;
1154 uint8_t buf[16];
1155
1156 len = qemu_chr_be_can_write(s->chr);
1157 if (len > s->out_fifo.count)
1158 len = s->out_fifo.count;
1159 if (len > 0) {
1160 if (len > sizeof(buf))
1161 len = sizeof(buf);
1162 qemu_fifo_read(&s->out_fifo, buf, len);
1163 qemu_chr_be_write(s->chr, buf, len);
1164 }
1165 /* characters are pending: we send them a bit later (XXX:
1166 horrible, should change char device API) */
1167 if (s->out_fifo.count > 0) {
1168 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1169 }
1170 }
1171
1172 /* called when an ascii key is pressed */
1173 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1174 {
1175 uint8_t buf[16], *q;
1176 CharBackend *be;
1177 int c;
1178
1179 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1180 return;
1181
1182 switch(keysym) {
1183 case QEMU_KEY_CTRL_UP:
1184 console_scroll(s, -1);
1185 break;
1186 case QEMU_KEY_CTRL_DOWN:
1187 console_scroll(s, 1);
1188 break;
1189 case QEMU_KEY_CTRL_PAGEUP:
1190 console_scroll(s, -10);
1191 break;
1192 case QEMU_KEY_CTRL_PAGEDOWN:
1193 console_scroll(s, 10);
1194 break;
1195 default:
1196 /* convert the QEMU keysym to VT100 key string */
1197 q = buf;
1198 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1199 *q++ = '\033';
1200 *q++ = '[';
1201 c = keysym - 0xe100;
1202 if (c >= 10)
1203 *q++ = '0' + (c / 10);
1204 *q++ = '0' + (c % 10);
1205 *q++ = '~';
1206 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1207 *q++ = '\033';
1208 *q++ = '[';
1209 *q++ = keysym & 0xff;
1210 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1211 vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
1212 *q++ = '\n';
1213 } else {
1214 *q++ = keysym;
1215 }
1216 if (s->echo) {
1217 vc_chr_write(s->chr, buf, q - buf);
1218 }
1219 be = s->chr->be;
1220 if (be && be->chr_read) {
1221 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1222 kbd_send_chars(s);
1223 }
1224 break;
1225 }
1226 }
1227
1228 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1229 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1230 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1231 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1232 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1233 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1234 [Q_KEY_CODE_END] = QEMU_KEY_END,
1235 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1236 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1237 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1238 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1239 };
1240
1241 static const int ctrl_qcode_to_keysym[Q_KEY_CODE__MAX] = {
1242 [Q_KEY_CODE_UP] = QEMU_KEY_CTRL_UP,
1243 [Q_KEY_CODE_DOWN] = QEMU_KEY_CTRL_DOWN,
1244 [Q_KEY_CODE_RIGHT] = QEMU_KEY_CTRL_RIGHT,
1245 [Q_KEY_CODE_LEFT] = QEMU_KEY_CTRL_LEFT,
1246 [Q_KEY_CODE_HOME] = QEMU_KEY_CTRL_HOME,
1247 [Q_KEY_CODE_END] = QEMU_KEY_CTRL_END,
1248 [Q_KEY_CODE_PGUP] = QEMU_KEY_CTRL_PAGEUP,
1249 [Q_KEY_CODE_PGDN] = QEMU_KEY_CTRL_PAGEDOWN,
1250 };
1251
1252 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl)
1253 {
1254 int keysym;
1255
1256 keysym = ctrl ? ctrl_qcode_to_keysym[qcode] : qcode_to_keysym[qcode];
1257 if (keysym == 0) {
1258 return false;
1259 }
1260 kbd_put_keysym_console(s, keysym);
1261 return true;
1262 }
1263
1264 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1265 {
1266 int i;
1267
1268 for (i = 0; i < len && str[i]; i++) {
1269 kbd_put_keysym_console(s, str[i]);
1270 }
1271 }
1272
1273 void kbd_put_keysym(int keysym)
1274 {
1275 kbd_put_keysym_console(active_console, keysym);
1276 }
1277
1278 static void text_console_invalidate(void *opaque)
1279 {
1280 QemuConsole *s = (QemuConsole *) opaque;
1281
1282 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1283 text_console_resize(s);
1284 }
1285 console_refresh(s);
1286 }
1287
1288 static void text_console_update(void *opaque, console_ch_t *chardata)
1289 {
1290 QemuConsole *s = (QemuConsole *) opaque;
1291 int i, j, src;
1292
1293 if (s->text_x[0] <= s->text_x[1]) {
1294 src = (s->y_base + s->text_y[0]) * s->width;
1295 chardata += s->text_y[0] * s->width;
1296 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1297 for (j = 0; j < s->width; j++, src++) {
1298 console_write_ch(chardata ++,
1299 ATTR2CHTYPE(s->cells[src].ch,
1300 s->cells[src].t_attrib.fgcol,
1301 s->cells[src].t_attrib.bgcol,
1302 s->cells[src].t_attrib.bold));
1303 }
1304 dpy_text_update(s, s->text_x[0], s->text_y[0],
1305 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1306 s->text_x[0] = s->width;
1307 s->text_y[0] = s->height;
1308 s->text_x[1] = 0;
1309 s->text_y[1] = 0;
1310 }
1311 if (s->cursor_invalidate) {
1312 dpy_text_cursor(s, s->x, s->y);
1313 s->cursor_invalidate = 0;
1314 }
1315 }
1316
1317 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1318 uint32_t head)
1319 {
1320 Object *obj;
1321 QemuConsole *s;
1322 int i;
1323
1324 obj = object_new(TYPE_QEMU_CONSOLE);
1325 s = QEMU_CONSOLE(obj);
1326 qemu_co_queue_init(&s->dump_queue);
1327 s->head = head;
1328 object_property_add_link(obj, "device", TYPE_DEVICE,
1329 (Object **)&s->device,
1330 object_property_allow_set_link,
1331 OBJ_PROP_LINK_STRONG);
1332 object_property_add_uint32_ptr(obj, "head", &s->head,
1333 OBJ_PROP_FLAG_READ);
1334
1335 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1336 (console_type == GRAPHIC_CONSOLE))) {
1337 active_console = s;
1338 }
1339 s->ds = ds;
1340 s->console_type = console_type;
1341 s->window_id = -1;
1342
1343 if (QTAILQ_EMPTY(&consoles)) {
1344 s->index = 0;
1345 QTAILQ_INSERT_TAIL(&consoles, s, next);
1346 } else if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) {
1347 QemuConsole *last = QTAILQ_LAST(&consoles);
1348 s->index = last->index + 1;
1349 QTAILQ_INSERT_TAIL(&consoles, s, next);
1350 } else {
1351 /*
1352 * HACK: Put graphical consoles before text consoles.
1353 *
1354 * Only do that for coldplugged devices. After initial device
1355 * initialization we will not renumber the consoles any more.
1356 */
1357 QemuConsole *c = QTAILQ_FIRST(&consoles);
1358
1359 while (QTAILQ_NEXT(c, next) != NULL &&
1360 c->console_type == GRAPHIC_CONSOLE) {
1361 c = QTAILQ_NEXT(c, next);
1362 }
1363 if (c->console_type == GRAPHIC_CONSOLE) {
1364 /* have no text consoles */
1365 s->index = c->index + 1;
1366 QTAILQ_INSERT_AFTER(&consoles, c, s, next);
1367 } else {
1368 s->index = c->index;
1369 QTAILQ_INSERT_BEFORE(c, s, next);
1370 /* renumber text consoles */
1371 for (i = s->index + 1; c != NULL; c = QTAILQ_NEXT(c, next), i++) {
1372 c->index = i;
1373 }
1374 }
1375 }
1376 return s;
1377 }
1378
1379 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1380 {
1381 qemu_pixman_image_unref(surface->image);
1382 surface->image = NULL;
1383
1384 surface->format = PIXMAN_x8r8g8b8;
1385 surface->image = pixman_image_create_bits(surface->format,
1386 width, height,
1387 NULL, width * 4);
1388 assert(surface->image != NULL);
1389
1390 surface->flags = QEMU_ALLOCATED_FLAG;
1391 }
1392
1393 DisplaySurface *qemu_create_displaysurface(int width, int height)
1394 {
1395 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1396
1397 trace_displaysurface_create(surface, width, height);
1398 qemu_alloc_display(surface, width, height);
1399 return surface;
1400 }
1401
1402 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1403 pixman_format_code_t format,
1404 int linesize, uint8_t *data)
1405 {
1406 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1407
1408 trace_displaysurface_create_from(surface, width, height, format);
1409 surface->format = format;
1410 surface->image = pixman_image_create_bits(surface->format,
1411 width, height,
1412 (void *)data, linesize);
1413 assert(surface->image != NULL);
1414
1415 return surface;
1416 }
1417
1418 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1419 {
1420 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1421
1422 trace_displaysurface_create_pixman(surface);
1423 surface->format = pixman_image_get_format(image);
1424 surface->image = pixman_image_ref(image);
1425
1426 return surface;
1427 }
1428
1429 DisplaySurface *qemu_create_message_surface(int w, int h,
1430 const char *msg)
1431 {
1432 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1433 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1434 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1435 pixman_image_t *glyph;
1436 int len, x, y, i;
1437
1438 len = strlen(msg);
1439 x = (w / FONT_WIDTH - len) / 2;
1440 y = (h / FONT_HEIGHT - 1) / 2;
1441 for (i = 0; i < len; i++) {
1442 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1443 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1444 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1445 qemu_pixman_image_unref(glyph);
1446 }
1447 return surface;
1448 }
1449
1450 void qemu_free_displaysurface(DisplaySurface *surface)
1451 {
1452 if (surface == NULL) {
1453 return;
1454 }
1455 trace_displaysurface_free(surface);
1456 qemu_pixman_image_unref(surface->image);
1457 g_free(surface);
1458 }
1459
1460 bool console_has_gl(QemuConsole *con)
1461 {
1462 return con->gl != NULL;
1463 }
1464
1465 bool console_has_gl_dmabuf(QemuConsole *con)
1466 {
1467 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL;
1468 }
1469
1470 void register_displaychangelistener(DisplayChangeListener *dcl)
1471 {
1472 static const char nodev[] =
1473 "This VM has no graphic display device.";
1474 static DisplaySurface *dummy;
1475 QemuConsole *con;
1476
1477 assert(!dcl->ds);
1478
1479 if (dcl->ops->dpy_gl_ctx_create) {
1480 /* display has opengl support */
1481 assert(dcl->con);
1482 if (dcl->con->gl) {
1483 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1484 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1485 exit(1);
1486 }
1487 dcl->con->gl = dcl;
1488 }
1489
1490 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1491 dcl->ds = get_alloc_displaystate();
1492 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1493 gui_setup_refresh(dcl->ds);
1494 if (dcl->con) {
1495 dcl->con->dcls++;
1496 con = dcl->con;
1497 } else {
1498 con = active_console;
1499 }
1500 if (dcl->ops->dpy_gfx_switch) {
1501 if (con) {
1502 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1503 } else {
1504 if (!dummy) {
1505 dummy = qemu_create_message_surface(640, 480, nodev);
1506 }
1507 dcl->ops->dpy_gfx_switch(dcl, dummy);
1508 }
1509 }
1510 text_console_update_cursor(NULL);
1511 }
1512
1513 void update_displaychangelistener(DisplayChangeListener *dcl,
1514 uint64_t interval)
1515 {
1516 DisplayState *ds = dcl->ds;
1517
1518 dcl->update_interval = interval;
1519 if (!ds->refreshing && ds->update_interval > interval) {
1520 timer_mod(ds->gui_timer, ds->last_update + interval);
1521 }
1522 }
1523
1524 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1525 {
1526 DisplayState *ds = dcl->ds;
1527 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1528 if (dcl->con) {
1529 dcl->con->dcls--;
1530 }
1531 QLIST_REMOVE(dcl, next);
1532 dcl->ds = NULL;
1533 gui_setup_refresh(ds);
1534 }
1535
1536 static void dpy_set_ui_info_timer(void *opaque)
1537 {
1538 QemuConsole *con = opaque;
1539
1540 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1541 }
1542
1543 bool dpy_ui_info_supported(QemuConsole *con)
1544 {
1545 return con->hw_ops->ui_info != NULL;
1546 }
1547
1548 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con)
1549 {
1550 assert(con != NULL);
1551
1552 return &con->ui_info;
1553 }
1554
1555 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1556 {
1557 assert(con != NULL);
1558
1559 if (!dpy_ui_info_supported(con)) {
1560 return -1;
1561 }
1562 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1563 /* nothing changed -- ignore */
1564 return 0;
1565 }
1566
1567 /*
1568 * Typically we get a flood of these as the user resizes the window.
1569 * Wait until the dust has settled (one second without updates), then
1570 * go notify the guest.
1571 */
1572 con->ui_info = *info;
1573 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1574 return 0;
1575 }
1576
1577 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1578 {
1579 DisplayState *s = con->ds;
1580 DisplayChangeListener *dcl;
1581 int width = w;
1582 int height = h;
1583
1584 if (con->surface) {
1585 width = surface_width(con->surface);
1586 height = surface_height(con->surface);
1587 }
1588 x = MAX(x, 0);
1589 y = MAX(y, 0);
1590 x = MIN(x, width);
1591 y = MIN(y, height);
1592 w = MIN(w, width - x);
1593 h = MIN(h, height - y);
1594
1595 if (!qemu_console_is_visible(con)) {
1596 return;
1597 }
1598 QLIST_FOREACH(dcl, &s->listeners, next) {
1599 if (con != (dcl->con ? dcl->con : active_console)) {
1600 continue;
1601 }
1602 if (dcl->ops->dpy_gfx_update) {
1603 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1604 }
1605 }
1606 }
1607
1608 void dpy_gfx_update_full(QemuConsole *con)
1609 {
1610 if (!con->surface) {
1611 return;
1612 }
1613 dpy_gfx_update(con, 0, 0,
1614 surface_width(con->surface),
1615 surface_height(con->surface));
1616 }
1617
1618 void dpy_gfx_replace_surface(QemuConsole *con,
1619 DisplaySurface *surface)
1620 {
1621 DisplayState *s = con->ds;
1622 DisplaySurface *old_surface = con->surface;
1623 DisplayChangeListener *dcl;
1624
1625 assert(old_surface != surface || surface == NULL);
1626
1627 con->surface = surface;
1628 QLIST_FOREACH(dcl, &s->listeners, next) {
1629 if (con != (dcl->con ? dcl->con : active_console)) {
1630 continue;
1631 }
1632 if (dcl->ops->dpy_gfx_switch) {
1633 dcl->ops->dpy_gfx_switch(dcl, surface);
1634 }
1635 }
1636 qemu_free_displaysurface(old_surface);
1637 }
1638
1639 bool dpy_gfx_check_format(QemuConsole *con,
1640 pixman_format_code_t format)
1641 {
1642 DisplayChangeListener *dcl;
1643 DisplayState *s = con->ds;
1644
1645 QLIST_FOREACH(dcl, &s->listeners, next) {
1646 if (dcl->con && dcl->con != con) {
1647 /* dcl bound to another console -> skip */
1648 continue;
1649 }
1650 if (dcl->ops->dpy_gfx_check_format) {
1651 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1652 return false;
1653 }
1654 } else {
1655 /* default is to whitelist native 32 bpp only */
1656 if (format != qemu_default_pixman_format(32, true)) {
1657 return false;
1658 }
1659 }
1660 }
1661 return true;
1662 }
1663
1664 static void dpy_refresh(DisplayState *s)
1665 {
1666 DisplayChangeListener *dcl;
1667
1668 QLIST_FOREACH(dcl, &s->listeners, next) {
1669 if (dcl->ops->dpy_refresh) {
1670 dcl->ops->dpy_refresh(dcl);
1671 }
1672 }
1673 }
1674
1675 void dpy_text_cursor(QemuConsole *con, int x, int y)
1676 {
1677 DisplayState *s = con->ds;
1678 DisplayChangeListener *dcl;
1679
1680 if (!qemu_console_is_visible(con)) {
1681 return;
1682 }
1683 QLIST_FOREACH(dcl, &s->listeners, next) {
1684 if (con != (dcl->con ? dcl->con : active_console)) {
1685 continue;
1686 }
1687 if (dcl->ops->dpy_text_cursor) {
1688 dcl->ops->dpy_text_cursor(dcl, x, y);
1689 }
1690 }
1691 }
1692
1693 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1694 {
1695 DisplayState *s = con->ds;
1696 DisplayChangeListener *dcl;
1697
1698 if (!qemu_console_is_visible(con)) {
1699 return;
1700 }
1701 QLIST_FOREACH(dcl, &s->listeners, next) {
1702 if (con != (dcl->con ? dcl->con : active_console)) {
1703 continue;
1704 }
1705 if (dcl->ops->dpy_text_update) {
1706 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1707 }
1708 }
1709 }
1710
1711 void dpy_text_resize(QemuConsole *con, int w, int h)
1712 {
1713 DisplayState *s = con->ds;
1714 DisplayChangeListener *dcl;
1715
1716 if (!qemu_console_is_visible(con)) {
1717 return;
1718 }
1719 QLIST_FOREACH(dcl, &s->listeners, next) {
1720 if (con != (dcl->con ? dcl->con : active_console)) {
1721 continue;
1722 }
1723 if (dcl->ops->dpy_text_resize) {
1724 dcl->ops->dpy_text_resize(dcl, w, h);
1725 }
1726 }
1727 }
1728
1729 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1730 {
1731 DisplayState *s = con->ds;
1732 DisplayChangeListener *dcl;
1733
1734 if (!qemu_console_is_visible(con)) {
1735 return;
1736 }
1737 QLIST_FOREACH(dcl, &s->listeners, next) {
1738 if (con != (dcl->con ? dcl->con : active_console)) {
1739 continue;
1740 }
1741 if (dcl->ops->dpy_mouse_set) {
1742 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1743 }
1744 }
1745 }
1746
1747 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1748 {
1749 DisplayState *s = con->ds;
1750 DisplayChangeListener *dcl;
1751
1752 if (!qemu_console_is_visible(con)) {
1753 return;
1754 }
1755 QLIST_FOREACH(dcl, &s->listeners, next) {
1756 if (con != (dcl->con ? dcl->con : active_console)) {
1757 continue;
1758 }
1759 if (dcl->ops->dpy_cursor_define) {
1760 dcl->ops->dpy_cursor_define(dcl, cursor);
1761 }
1762 }
1763 }
1764
1765 bool dpy_cursor_define_supported(QemuConsole *con)
1766 {
1767 DisplayState *s = con->ds;
1768 DisplayChangeListener *dcl;
1769
1770 QLIST_FOREACH(dcl, &s->listeners, next) {
1771 if (dcl->ops->dpy_cursor_define) {
1772 return true;
1773 }
1774 }
1775 return false;
1776 }
1777
1778 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1779 struct QEMUGLParams *qparams)
1780 {
1781 assert(con->gl);
1782 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1783 }
1784
1785 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1786 {
1787 assert(con->gl);
1788 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1789 }
1790
1791 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1792 {
1793 assert(con->gl);
1794 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1795 }
1796
1797 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1798 {
1799 assert(con->gl);
1800 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1801 }
1802
1803 void dpy_gl_scanout_disable(QemuConsole *con)
1804 {
1805 assert(con->gl);
1806 if (con->gl->ops->dpy_gl_scanout_disable) {
1807 con->gl->ops->dpy_gl_scanout_disable(con->gl);
1808 } else {
1809 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0,
1810 0, 0, 0, 0);
1811 }
1812 }
1813
1814 void dpy_gl_scanout_texture(QemuConsole *con,
1815 uint32_t backing_id,
1816 bool backing_y_0_top,
1817 uint32_t backing_width,
1818 uint32_t backing_height,
1819 uint32_t x, uint32_t y,
1820 uint32_t width, uint32_t height)
1821 {
1822 assert(con->gl);
1823 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id,
1824 backing_y_0_top,
1825 backing_width, backing_height,
1826 x, y, width, height);
1827 }
1828
1829 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1830 QemuDmaBuf *dmabuf)
1831 {
1832 assert(con->gl);
1833 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf);
1834 }
1835
1836 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
1837 bool have_hot, uint32_t hot_x, uint32_t hot_y)
1838 {
1839 assert(con->gl);
1840
1841 if (con->gl->ops->dpy_gl_cursor_dmabuf) {
1842 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf,
1843 have_hot, hot_x, hot_y);
1844 }
1845 }
1846
1847 void dpy_gl_cursor_position(QemuConsole *con,
1848 uint32_t pos_x, uint32_t pos_y)
1849 {
1850 assert(con->gl);
1851
1852 if (con->gl->ops->dpy_gl_cursor_position) {
1853 con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y);
1854 }
1855 }
1856
1857 void dpy_gl_release_dmabuf(QemuConsole *con,
1858 QemuDmaBuf *dmabuf)
1859 {
1860 assert(con->gl);
1861
1862 if (con->gl->ops->dpy_gl_release_dmabuf) {
1863 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf);
1864 }
1865 }
1866
1867 void dpy_gl_update(QemuConsole *con,
1868 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1869 {
1870 assert(con->gl);
1871 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1872 }
1873
1874 /***********************************************************/
1875 /* register display */
1876
1877 /* console.c internal use only */
1878 static DisplayState *get_alloc_displaystate(void)
1879 {
1880 if (!display_state) {
1881 display_state = g_new0(DisplayState, 1);
1882 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1883 text_console_update_cursor, NULL);
1884 }
1885 return display_state;
1886 }
1887
1888 /*
1889 * Called by main(), after creating QemuConsoles
1890 * and before initializing ui (sdl/vnc/...).
1891 */
1892 DisplayState *init_displaystate(void)
1893 {
1894 gchar *name;
1895 QemuConsole *con;
1896
1897 get_alloc_displaystate();
1898 QTAILQ_FOREACH(con, &consoles, next) {
1899 if (con->console_type != GRAPHIC_CONSOLE &&
1900 con->ds == NULL) {
1901 text_console_do_init(con->chr, display_state);
1902 }
1903
1904 /* Hook up into the qom tree here (not in new_console()), once
1905 * all QemuConsoles are created and the order / numbering
1906 * doesn't change any more */
1907 name = g_strdup_printf("console[%d]", con->index);
1908 object_property_add_child(container_get(object_get_root(), "/backend"),
1909 name, OBJECT(con));
1910 g_free(name);
1911 }
1912
1913 return display_state;
1914 }
1915
1916 void graphic_console_set_hwops(QemuConsole *con,
1917 const GraphicHwOps *hw_ops,
1918 void *opaque)
1919 {
1920 con->hw_ops = hw_ops;
1921 con->hw = opaque;
1922 }
1923
1924 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1925 const GraphicHwOps *hw_ops,
1926 void *opaque)
1927 {
1928 static const char noinit[] =
1929 "Guest has not initialized the display (yet).";
1930 int width = 640;
1931 int height = 480;
1932 QemuConsole *s;
1933 DisplayState *ds;
1934 DisplaySurface *surface;
1935
1936 ds = get_alloc_displaystate();
1937 s = qemu_console_lookup_unused();
1938 if (s) {
1939 trace_console_gfx_reuse(s->index);
1940 if (s->surface) {
1941 width = surface_width(s->surface);
1942 height = surface_height(s->surface);
1943 }
1944 } else {
1945 trace_console_gfx_new();
1946 s = new_console(ds, GRAPHIC_CONSOLE, head);
1947 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1948 dpy_set_ui_info_timer, s);
1949 }
1950 graphic_console_set_hwops(s, hw_ops, opaque);
1951 if (dev) {
1952 object_property_set_link(OBJECT(s), "device", OBJECT(dev),
1953 &error_abort);
1954 }
1955
1956 surface = qemu_create_message_surface(width, height, noinit);
1957 dpy_gfx_replace_surface(s, surface);
1958 return s;
1959 }
1960
1961 static const GraphicHwOps unused_ops = {
1962 /* no callbacks */
1963 };
1964
1965 void graphic_console_close(QemuConsole *con)
1966 {
1967 static const char unplugged[] =
1968 "Guest display has been unplugged";
1969 DisplaySurface *surface;
1970 int width = 640;
1971 int height = 480;
1972
1973 if (con->surface) {
1974 width = surface_width(con->surface);
1975 height = surface_height(con->surface);
1976 }
1977
1978 trace_console_gfx_close(con->index);
1979 object_property_set_link(OBJECT(con), "device", NULL, &error_abort);
1980 graphic_console_set_hwops(con, &unused_ops, NULL);
1981
1982 if (con->gl) {
1983 dpy_gl_scanout_disable(con);
1984 }
1985 surface = qemu_create_message_surface(width, height, unplugged);
1986 dpy_gfx_replace_surface(con, surface);
1987 }
1988
1989 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1990 {
1991 QemuConsole *con;
1992
1993 QTAILQ_FOREACH(con, &consoles, next) {
1994 if (con->index == index) {
1995 return con;
1996 }
1997 }
1998 return NULL;
1999 }
2000
2001 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
2002 {
2003 QemuConsole *con;
2004 Object *obj;
2005 uint32_t h;
2006
2007 QTAILQ_FOREACH(con, &consoles, next) {
2008 obj = object_property_get_link(OBJECT(con),
2009 "device", &error_abort);
2010 if (DEVICE(obj) != dev) {
2011 continue;
2012 }
2013 h = object_property_get_uint(OBJECT(con),
2014 "head", &error_abort);
2015 if (h != head) {
2016 continue;
2017 }
2018 return con;
2019 }
2020 return NULL;
2021 }
2022
2023 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
2024 uint32_t head, Error **errp)
2025 {
2026 DeviceState *dev;
2027 QemuConsole *con;
2028
2029 dev = qdev_find_recursive(sysbus_get_default(), device_id);
2030 if (dev == NULL) {
2031 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
2032 "Device '%s' not found", device_id);
2033 return NULL;
2034 }
2035
2036 con = qemu_console_lookup_by_device(dev, head);
2037 if (con == NULL) {
2038 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
2039 device_id, head);
2040 return NULL;
2041 }
2042
2043 return con;
2044 }
2045
2046 QemuConsole *qemu_console_lookup_unused(void)
2047 {
2048 QemuConsole *con;
2049 Object *obj;
2050
2051 QTAILQ_FOREACH(con, &consoles, next) {
2052 if (con->hw_ops != &unused_ops) {
2053 continue;
2054 }
2055 obj = object_property_get_link(OBJECT(con),
2056 "device", &error_abort);
2057 if (obj != NULL) {
2058 continue;
2059 }
2060 return con;
2061 }
2062 return NULL;
2063 }
2064
2065 bool qemu_console_is_visible(QemuConsole *con)
2066 {
2067 return (con == active_console) || (con->dcls > 0);
2068 }
2069
2070 bool qemu_console_is_graphic(QemuConsole *con)
2071 {
2072 if (con == NULL) {
2073 con = active_console;
2074 }
2075 return con && (con->console_type == GRAPHIC_CONSOLE);
2076 }
2077
2078 bool qemu_console_is_fixedsize(QemuConsole *con)
2079 {
2080 if (con == NULL) {
2081 con = active_console;
2082 }
2083 return con && (con->console_type != TEXT_CONSOLE);
2084 }
2085
2086 bool qemu_console_is_gl_blocked(QemuConsole *con)
2087 {
2088 assert(con != NULL);
2089 return con->gl_block;
2090 }
2091
2092 char *qemu_console_get_label(QemuConsole *con)
2093 {
2094 if (con->console_type == GRAPHIC_CONSOLE) {
2095 if (con->device) {
2096 return g_strdup(object_get_typename(con->device));
2097 }
2098 return g_strdup("VGA");
2099 } else {
2100 if (con->chr && con->chr->label) {
2101 return g_strdup(con->chr->label);
2102 }
2103 return g_strdup_printf("vc%d", con->index);
2104 }
2105 }
2106
2107 int qemu_console_get_index(QemuConsole *con)
2108 {
2109 if (con == NULL) {
2110 con = active_console;
2111 }
2112 return con ? con->index : -1;
2113 }
2114
2115 uint32_t qemu_console_get_head(QemuConsole *con)
2116 {
2117 if (con == NULL) {
2118 con = active_console;
2119 }
2120 return con ? con->head : -1;
2121 }
2122
2123 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
2124 {
2125 assert(con != NULL);
2126 return &con->ui_info;
2127 }
2128
2129 int qemu_console_get_width(QemuConsole *con, int fallback)
2130 {
2131 if (con == NULL) {
2132 con = active_console;
2133 }
2134 return con ? surface_width(con->surface) : fallback;
2135 }
2136
2137 int qemu_console_get_height(QemuConsole *con, int fallback)
2138 {
2139 if (con == NULL) {
2140 con = active_console;
2141 }
2142 return con ? surface_height(con->surface) : fallback;
2143 }
2144
2145 static void vc_chr_set_echo(Chardev *chr, bool echo)
2146 {
2147 VCChardev *drv = VC_CHARDEV(chr);
2148 QemuConsole *s = drv->console;
2149
2150 s->echo = echo;
2151 }
2152
2153 static void text_console_update_cursor_timer(void)
2154 {
2155 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
2156 + CONSOLE_CURSOR_PERIOD / 2);
2157 }
2158
2159 static void text_console_update_cursor(void *opaque)
2160 {
2161 QemuConsole *s;
2162 int count = 0;
2163
2164 cursor_visible_phase = !cursor_visible_phase;
2165
2166 QTAILQ_FOREACH(s, &consoles, next) {
2167 if (qemu_console_is_graphic(s) ||
2168 !qemu_console_is_visible(s)) {
2169 continue;
2170 }
2171 count++;
2172 graphic_hw_invalidate(s);
2173 }
2174
2175 if (count) {
2176 text_console_update_cursor_timer();
2177 }
2178 }
2179
2180 static const GraphicHwOps text_console_ops = {
2181 .invalidate = text_console_invalidate,
2182 .text_update = text_console_update,
2183 };
2184
2185 static void text_console_do_init(Chardev *chr, DisplayState *ds)
2186 {
2187 VCChardev *drv = VC_CHARDEV(chr);
2188 QemuConsole *s = drv->console;
2189 int g_width = 80 * FONT_WIDTH;
2190 int g_height = 24 * FONT_HEIGHT;
2191
2192 s->out_fifo.buf = s->out_fifo_buf;
2193 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
2194 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
2195 s->ds = ds;
2196
2197 s->y_displayed = 0;
2198 s->y_base = 0;
2199 s->total_height = DEFAULT_BACKSCROLL;
2200 s->x = 0;
2201 s->y = 0;
2202 if (!s->surface) {
2203 if (active_console && active_console->surface) {
2204 g_width = surface_width(active_console->surface);
2205 g_height = surface_height(active_console->surface);
2206 }
2207 s->surface = qemu_create_displaysurface(g_width, g_height);
2208 }
2209
2210 s->hw_ops = &text_console_ops;
2211 s->hw = s;
2212
2213 /* Set text attribute defaults */
2214 s->t_attrib_default.bold = 0;
2215 s->t_attrib_default.uline = 0;
2216 s->t_attrib_default.blink = 0;
2217 s->t_attrib_default.invers = 0;
2218 s->t_attrib_default.unvisible = 0;
2219 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2220 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2221 /* set current text attributes to default */
2222 s->t_attrib = s->t_attrib_default;
2223 text_console_resize(s);
2224
2225 if (chr->label) {
2226 char *msg;
2227
2228 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2229 msg = g_strdup_printf("%s console\r\n", chr->label);
2230 vc_chr_write(chr, (uint8_t *)msg, strlen(msg));
2231 g_free(msg);
2232 s->t_attrib = s->t_attrib_default;
2233 }
2234
2235 qemu_chr_be_event(chr, CHR_EVENT_OPENED);
2236 }
2237
2238 static void vc_chr_open(Chardev *chr,
2239 ChardevBackend *backend,
2240 bool *be_opened,
2241 Error **errp)
2242 {
2243 ChardevVC *vc = backend->u.vc.data;
2244 VCChardev *drv = VC_CHARDEV(chr);
2245 QemuConsole *s;
2246 unsigned width = 0;
2247 unsigned height = 0;
2248
2249 if (vc->has_width) {
2250 width = vc->width;
2251 } else if (vc->has_cols) {
2252 width = vc->cols * FONT_WIDTH;
2253 }
2254
2255 if (vc->has_height) {
2256 height = vc->height;
2257 } else if (vc->has_rows) {
2258 height = vc->rows * FONT_HEIGHT;
2259 }
2260
2261 trace_console_txt_new(width, height);
2262 if (width == 0 || height == 0) {
2263 s = new_console(NULL, TEXT_CONSOLE, 0);
2264 } else {
2265 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2266 s->surface = qemu_create_displaysurface(width, height);
2267 }
2268
2269 if (!s) {
2270 error_setg(errp, "cannot create text console");
2271 return;
2272 }
2273
2274 s->chr = chr;
2275 drv->console = s;
2276
2277 if (display_state) {
2278 text_console_do_init(chr, display_state);
2279 }
2280
2281 /* console/chardev init sometimes completes elsewhere in a 2nd
2282 * stage, so defer OPENED events until they are fully initialized
2283 */
2284 *be_opened = false;
2285 }
2286
2287 void qemu_console_resize(QemuConsole *s, int width, int height)
2288 {
2289 DisplaySurface *surface;
2290
2291 assert(s->console_type == GRAPHIC_CONSOLE);
2292
2293 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) &&
2294 pixman_image_get_width(s->surface->image) == width &&
2295 pixman_image_get_height(s->surface->image) == height) {
2296 return;
2297 }
2298
2299 surface = qemu_create_displaysurface(width, height);
2300 dpy_gfx_replace_surface(s, surface);
2301 }
2302
2303 DisplaySurface *qemu_console_surface(QemuConsole *console)
2304 {
2305 return console->surface;
2306 }
2307
2308 PixelFormat qemu_default_pixelformat(int bpp)
2309 {
2310 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2311 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2312 return pf;
2313 }
2314
2315 static QemuDisplay *dpys[DISPLAY_TYPE__MAX];
2316
2317 void qemu_display_register(QemuDisplay *ui)
2318 {
2319 assert(ui->type < DISPLAY_TYPE__MAX);
2320 dpys[ui->type] = ui;
2321 }
2322
2323 bool qemu_display_find_default(DisplayOptions *opts)
2324 {
2325 static DisplayType prio[] = {
2326 DISPLAY_TYPE_GTK,
2327 DISPLAY_TYPE_SDL,
2328 DISPLAY_TYPE_COCOA
2329 };
2330 int i;
2331
2332 for (i = 0; i < ARRAY_SIZE(prio); i++) {
2333 if (dpys[prio[i]] == NULL) {
2334 ui_module_load_one(DisplayType_str(prio[i]));
2335 }
2336 if (dpys[prio[i]] == NULL) {
2337 continue;
2338 }
2339 opts->type = prio[i];
2340 return true;
2341 }
2342 return false;
2343 }
2344
2345 void qemu_display_early_init(DisplayOptions *opts)
2346 {
2347 assert(opts->type < DISPLAY_TYPE__MAX);
2348 if (opts->type == DISPLAY_TYPE_NONE) {
2349 return;
2350 }
2351 if (dpys[opts->type] == NULL) {
2352 ui_module_load_one(DisplayType_str(opts->type));
2353 }
2354 if (dpys[opts->type] == NULL) {
2355 error_report("Display '%s' is not available.",
2356 DisplayType_str(opts->type));
2357 exit(1);
2358 }
2359 if (dpys[opts->type]->early_init) {
2360 dpys[opts->type]->early_init(opts);
2361 }
2362 }
2363
2364 void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
2365 {
2366 assert(opts->type < DISPLAY_TYPE__MAX);
2367 if (opts->type == DISPLAY_TYPE_NONE) {
2368 return;
2369 }
2370 assert(dpys[opts->type] != NULL);
2371 dpys[opts->type]->init(ds, opts);
2372 }
2373
2374 void qemu_display_help(void)
2375 {
2376 int idx;
2377
2378 printf("Available display backend types:\n");
2379 printf("none\n");
2380 for (idx = DISPLAY_TYPE_NONE; idx < DISPLAY_TYPE__MAX; idx++) {
2381 if (!dpys[idx]) {
2382 ui_module_load_one(DisplayType_str(idx));
2383 }
2384 if (dpys[idx]) {
2385 printf("%s\n", DisplayType_str(dpys[idx]->type));
2386 }
2387 }
2388 }
2389
2390 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
2391 {
2392 int val;
2393 ChardevVC *vc;
2394
2395 backend->type = CHARDEV_BACKEND_KIND_VC;
2396 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2397 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2398
2399 val = qemu_opt_get_number(opts, "width", 0);
2400 if (val != 0) {
2401 vc->has_width = true;
2402 vc->width = val;
2403 }
2404
2405 val = qemu_opt_get_number(opts, "height", 0);
2406 if (val != 0) {
2407 vc->has_height = true;
2408 vc->height = val;
2409 }
2410
2411 val = qemu_opt_get_number(opts, "cols", 0);
2412 if (val != 0) {
2413 vc->has_cols = true;
2414 vc->cols = val;
2415 }
2416
2417 val = qemu_opt_get_number(opts, "rows", 0);
2418 if (val != 0) {
2419 vc->has_rows = true;
2420 vc->rows = val;
2421 }
2422 }
2423
2424 static const TypeInfo qemu_console_info = {
2425 .name = TYPE_QEMU_CONSOLE,
2426 .parent = TYPE_OBJECT,
2427 .instance_size = sizeof(QemuConsole),
2428 .class_size = sizeof(QemuConsoleClass),
2429 };
2430
2431 static void char_vc_class_init(ObjectClass *oc, void *data)
2432 {
2433 ChardevClass *cc = CHARDEV_CLASS(oc);
2434
2435 cc->parse = qemu_chr_parse_vc;
2436 cc->open = vc_chr_open;
2437 cc->chr_write = vc_chr_write;
2438 cc->chr_set_echo = vc_chr_set_echo;
2439 }
2440
2441 static const TypeInfo char_vc_type_info = {
2442 .name = TYPE_CHARDEV_VC,
2443 .parent = TYPE_CHARDEV,
2444 .instance_size = sizeof(VCChardev),
2445 .class_init = char_vc_class_init,
2446 };
2447
2448 void qemu_console_early_init(void)
2449 {
2450 /* set the default vc driver */
2451 if (!object_class_by_name(TYPE_CHARDEV_VC)) {
2452 type_register(&char_vc_type_info);
2453 }
2454 }
2455
2456 static void register_types(void)
2457 {
2458 type_register_static(&qemu_console_info);
2459 }
2460
2461 type_init(register_types);
AR7 emulation for QEMU