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hw/sd/sdcard: Simplify cmd_valid_while_locked()
[qemu/ar7.git] / ui / console.c
blob820e4081709db252ad08b274f0b8806d56d6f7c6
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
172 QTAILQ_ENTRY(QemuConsole) next;
173 };
174
175 struct DisplayState {
176 QEMUTimer *gui_timer;
177 uint64_t last_update;
178 uint64_t update_interval;
179 bool refreshing;
180 bool have_gfx;
181 bool have_text;
182
183 QLIST_HEAD(, DisplayChangeListener) listeners;
184 };
185
186 static DisplayState *display_state;
187 static QemuConsole *active_console;
188 static QTAILQ_HEAD(, QemuConsole) consoles =
189 QTAILQ_HEAD_INITIALIZER(consoles);
190 static bool cursor_visible_phase;
191 static QEMUTimer *cursor_timer;
192
193 static void text_console_do_init(Chardev *chr, DisplayState *ds);
194 static void dpy_refresh(DisplayState *s);
195 static DisplayState *get_alloc_displaystate(void);
196 static void text_console_update_cursor_timer(void);
197 static void text_console_update_cursor(void *opaque);
198 static bool ppm_save(int fd, DisplaySurface *ds, Error **errp);
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 }
268
269 void graphic_hw_update(QemuConsole *con)
270 {
271 bool async = false;
272 if (!con) {
273 con = active_console;
274 }
275 if (con && con->hw_ops->gfx_update) {
276 con->hw_ops->gfx_update(con->hw);
277 async = con->hw_ops->gfx_update_async;
278 }
279 if (!async) {
280 graphic_hw_update_done(con);
281 }
282 }
283
284 void graphic_hw_gl_block(QemuConsole *con, bool block)
285 {
286 assert(con != NULL);
287
288 con->gl_block = block;
289 if (con->hw_ops->gl_block) {
290 con->hw_ops->gl_block(con->hw, block);
291 }
292 }
293
294 int qemu_console_get_window_id(QemuConsole *con)
295 {
296 return con->window_id;
297 }
298
299 void qemu_console_set_window_id(QemuConsole *con, int window_id)
300 {
301 con->window_id = window_id;
302 }
303
304 void graphic_hw_invalidate(QemuConsole *con)
305 {
306 if (!con) {
307 con = active_console;
308 }
309 if (con && con->hw_ops->invalidate) {
310 con->hw_ops->invalidate(con->hw);
311 }
312 }
313
314 static bool ppm_save(int fd, DisplaySurface *ds, Error **errp)
315 {
316 int width = pixman_image_get_width(ds->image);
317 int height = pixman_image_get_height(ds->image);
318 g_autoptr(Object) ioc = OBJECT(qio_channel_file_new_fd(fd));
319 g_autofree char *header = NULL;
320 g_autoptr(pixman_image_t) linebuf = NULL;
321 int y;
322
323 trace_ppm_save(fd, ds);
324
325 header = g_strdup_printf("P6\n%d %d\n%d\n", width, height, 255);
326 if (qio_channel_write_all(QIO_CHANNEL(ioc),
327 header, strlen(header), errp) < 0) {
328 return false;
329 }
330
331 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
332 for (y = 0; y < height; y++) {
333 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
334 if (qio_channel_write_all(QIO_CHANNEL(ioc),
335 (char *)pixman_image_get_data(linebuf),
336 pixman_image_get_stride(linebuf), errp) < 0) {
337 return false;
338 }
339 }
340
341 return true;
342 }
343
344 void qmp_screendump(const char *filename, bool has_device, const char *device,
345 bool has_head, int64_t head, Error **errp)
346 {
347 QemuConsole *con;
348 DisplaySurface *surface;
349 int fd;
350
351 if (has_device) {
352 con = qemu_console_lookup_by_device_name(device, has_head ? head : 0,
353 errp);
354 if (!con) {
355 return;
356 }
357 } else {
358 if (has_head) {
359 error_setg(errp, "'head' must be specified together with 'device'");
360 return;
361 }
362 con = qemu_console_lookup_by_index(0);
363 if (!con) {
364 error_setg(errp, "There is no console to take a screendump from");
365 return;
366 }
367 }
368
369 graphic_hw_update(con);
370 surface = qemu_console_surface(con);
371 if (!surface) {
372 error_setg(errp, "no surface");
373 return;
374 }
375
376 fd = qemu_open_old(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
377 if (fd == -1) {
378 error_setg(errp, "failed to open file '%s': %s", filename,
379 strerror(errno));
380 return;
381 }
382
383 if (!ppm_save(fd, surface, errp)) {
384 qemu_unlink(filename);
385 }
386 }
387
388 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
389 {
390 if (!con) {
391 con = active_console;
392 }
393 if (con && con->hw_ops->text_update) {
394 con->hw_ops->text_update(con->hw, chardata);
395 }
396 }
397
398 static void vga_fill_rect(QemuConsole *con,
399 int posx, int posy, int width, int height,
400 pixman_color_t color)
401 {
402 DisplaySurface *surface = qemu_console_surface(con);
403 pixman_rectangle16_t rect = {
404 .x = posx, .y = posy, .width = width, .height = height
405 };
406
407 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
408 &color, 1, &rect);
409 }
410
411 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
412 static void vga_bitblt(QemuConsole *con,
413 int xs, int ys, int xd, int yd, int w, int h)
414 {
415 DisplaySurface *surface = qemu_console_surface(con);
416
417 pixman_image_composite(PIXMAN_OP_SRC,
418 surface->image, NULL, surface->image,
419 xs, ys, 0, 0, xd, yd, w, h);
420 }
421
422 /***********************************************************/
423 /* basic char display */
424
425 #define FONT_HEIGHT 16
426 #define FONT_WIDTH 8
427
428 #include "vgafont.h"
429
430 #define QEMU_RGB(r, g, b) \
431 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
432
433 static const pixman_color_t color_table_rgb[2][8] = {
434 { /* dark */
435 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
436 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
437 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
438 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
439 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
440 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
441 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
442 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
443 },
444 { /* bright */
445 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
446 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
447 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
448 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
449 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
450 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
451 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
452 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
453 }
454 };
455
456 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
457 TextAttributes *t_attrib)
458 {
459 static pixman_image_t *glyphs[256];
460 DisplaySurface *surface = qemu_console_surface(s);
461 pixman_color_t fgcol, bgcol;
462
463 if (t_attrib->invers) {
464 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
465 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
466 } else {
467 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
468 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
469 }
470
471 if (!glyphs[ch]) {
472 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
473 }
474 qemu_pixman_glyph_render(glyphs[ch], surface->image,
475 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
476 }
477
478 static void text_console_resize(QemuConsole *s)
479 {
480 TextCell *cells, *c, *c1;
481 int w1, x, y, last_width;
482
483 last_width = s->width;
484 s->width = surface_width(s->surface) / FONT_WIDTH;
485 s->height = surface_height(s->surface) / FONT_HEIGHT;
486
487 w1 = last_width;
488 if (s->width < w1)
489 w1 = s->width;
490
491 cells = g_new(TextCell, s->width * s->total_height + 1);
492 for(y = 0; y < s->total_height; y++) {
493 c = &cells[y * s->width];
494 if (w1 > 0) {
495 c1 = &s->cells[y * last_width];
496 for(x = 0; x < w1; x++) {
497 *c++ = *c1++;
498 }
499 }
500 for(x = w1; x < s->width; x++) {
501 c->ch = ' ';
502 c->t_attrib = s->t_attrib_default;
503 c++;
504 }
505 }
506 g_free(s->cells);
507 s->cells = cells;
508 }
509
510 static inline void text_update_xy(QemuConsole *s, int x, int y)
511 {
512 s->text_x[0] = MIN(s->text_x[0], x);
513 s->text_x[1] = MAX(s->text_x[1], x);
514 s->text_y[0] = MIN(s->text_y[0], y);
515 s->text_y[1] = MAX(s->text_y[1], y);
516 }
517
518 static void invalidate_xy(QemuConsole *s, int x, int y)
519 {
520 if (!qemu_console_is_visible(s)) {
521 return;
522 }
523 if (s->update_x0 > x * FONT_WIDTH)
524 s->update_x0 = x * FONT_WIDTH;
525 if (s->update_y0 > y * FONT_HEIGHT)
526 s->update_y0 = y * FONT_HEIGHT;
527 if (s->update_x1 < (x + 1) * FONT_WIDTH)
528 s->update_x1 = (x + 1) * FONT_WIDTH;
529 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
530 s->update_y1 = (y + 1) * FONT_HEIGHT;
531 }
532
533 static void update_xy(QemuConsole *s, int x, int y)
534 {
535 TextCell *c;
536 int y1, y2;
537
538 if (s->ds->have_text) {
539 text_update_xy(s, x, y);
540 }
541
542 y1 = (s->y_base + y) % s->total_height;
543 y2 = y1 - s->y_displayed;
544 if (y2 < 0) {
545 y2 += s->total_height;
546 }
547 if (y2 < s->height) {
548 if (x >= s->width) {
549 x = s->width - 1;
550 }
551 c = &s->cells[y1 * s->width + x];
552 vga_putcharxy(s, x, y2, c->ch,
553 &(c->t_attrib));
554 invalidate_xy(s, x, y2);
555 }
556 }
557
558 static void console_show_cursor(QemuConsole *s, int show)
559 {
560 TextCell *c;
561 int y, y1;
562 int x = s->x;
563
564 if (s->ds->have_text) {
565 s->cursor_invalidate = 1;
566 }
567
568 if (x >= s->width) {
569 x = s->width - 1;
570 }
571 y1 = (s->y_base + s->y) % s->total_height;
572 y = y1 - s->y_displayed;
573 if (y < 0) {
574 y += s->total_height;
575 }
576 if (y < s->height) {
577 c = &s->cells[y1 * s->width + x];
578 if (show && cursor_visible_phase) {
579 TextAttributes t_attrib = s->t_attrib_default;
580 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
581 vga_putcharxy(s, x, y, c->ch, &t_attrib);
582 } else {
583 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
584 }
585 invalidate_xy(s, x, y);
586 }
587 }
588
589 static void console_refresh(QemuConsole *s)
590 {
591 DisplaySurface *surface = qemu_console_surface(s);
592 TextCell *c;
593 int x, y, y1;
594
595 if (s->ds->have_text) {
596 s->text_x[0] = 0;
597 s->text_y[0] = 0;
598 s->text_x[1] = s->width - 1;
599 s->text_y[1] = s->height - 1;
600 s->cursor_invalidate = 1;
601 }
602
603 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
604 color_table_rgb[0][QEMU_COLOR_BLACK]);
605 y1 = s->y_displayed;
606 for (y = 0; y < s->height; y++) {
607 c = s->cells + y1 * s->width;
608 for (x = 0; x < s->width; x++) {
609 vga_putcharxy(s, x, y, c->ch,
610 &(c->t_attrib));
611 c++;
612 }
613 if (++y1 == s->total_height) {
614 y1 = 0;
615 }
616 }
617 console_show_cursor(s, 1);
618 dpy_gfx_update(s, 0, 0,
619 surface_width(surface), surface_height(surface));
620 }
621
622 static void console_scroll(QemuConsole *s, int ydelta)
623 {
624 int i, y1;
625
626 if (ydelta > 0) {
627 for(i = 0; i < ydelta; i++) {
628 if (s->y_displayed == s->y_base)
629 break;
630 if (++s->y_displayed == s->total_height)
631 s->y_displayed = 0;
632 }
633 } else {
634 ydelta = -ydelta;
635 i = s->backscroll_height;
636 if (i > s->total_height - s->height)
637 i = s->total_height - s->height;
638 y1 = s->y_base - i;
639 if (y1 < 0)
640 y1 += s->total_height;
641 for(i = 0; i < ydelta; i++) {
642 if (s->y_displayed == y1)
643 break;
644 if (--s->y_displayed < 0)
645 s->y_displayed = s->total_height - 1;
646 }
647 }
648 console_refresh(s);
649 }
650
651 static void console_put_lf(QemuConsole *s)
652 {
653 TextCell *c;
654 int x, y1;
655
656 s->y++;
657 if (s->y >= s->height) {
658 s->y = s->height - 1;
659
660 if (s->y_displayed == s->y_base) {
661 if (++s->y_displayed == s->total_height)
662 s->y_displayed = 0;
663 }
664 if (++s->y_base == s->total_height)
665 s->y_base = 0;
666 if (s->backscroll_height < s->total_height)
667 s->backscroll_height++;
668 y1 = (s->y_base + s->height - 1) % s->total_height;
669 c = &s->cells[y1 * s->width];
670 for(x = 0; x < s->width; x++) {
671 c->ch = ' ';
672 c->t_attrib = s->t_attrib_default;
673 c++;
674 }
675 if (s->y_displayed == s->y_base) {
676 if (s->ds->have_text) {
677 s->text_x[0] = 0;
678 s->text_y[0] = 0;
679 s->text_x[1] = s->width - 1;
680 s->text_y[1] = s->height - 1;
681 }
682
683 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
684 s->width * FONT_WIDTH,
685 (s->height - 1) * FONT_HEIGHT);
686 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
687 s->width * FONT_WIDTH, FONT_HEIGHT,
688 color_table_rgb[0][s->t_attrib_default.bgcol]);
689 s->update_x0 = 0;
690 s->update_y0 = 0;
691 s->update_x1 = s->width * FONT_WIDTH;
692 s->update_y1 = s->height * FONT_HEIGHT;
693 }
694 }
695 }
696
697 /* Set console attributes depending on the current escape codes.
698 * NOTE: I know this code is not very efficient (checking every color for it
699 * self) but it is more readable and better maintainable.
700 */
701 static void console_handle_escape(QemuConsole *s)
702 {
703 int i;
704
705 for (i=0; i<s->nb_esc_params; i++) {
706 switch (s->esc_params[i]) {
707 case 0: /* reset all console attributes to default */
708 s->t_attrib = s->t_attrib_default;
709 break;
710 case 1:
711 s->t_attrib.bold = 1;
712 break;
713 case 4:
714 s->t_attrib.uline = 1;
715 break;
716 case 5:
717 s->t_attrib.blink = 1;
718 break;
719 case 7:
720 s->t_attrib.invers = 1;
721 break;
722 case 8:
723 s->t_attrib.unvisible = 1;
724 break;
725 case 22:
726 s->t_attrib.bold = 0;
727 break;
728 case 24:
729 s->t_attrib.uline = 0;
730 break;
731 case 25:
732 s->t_attrib.blink = 0;
733 break;
734 case 27:
735 s->t_attrib.invers = 0;
736 break;
737 case 28:
738 s->t_attrib.unvisible = 0;
739 break;
740 /* set foreground color */
741 case 30:
742 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
743 break;
744 case 31:
745 s->t_attrib.fgcol = QEMU_COLOR_RED;
746 break;
747 case 32:
748 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
749 break;
750 case 33:
751 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
752 break;
753 case 34:
754 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
755 break;
756 case 35:
757 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
758 break;
759 case 36:
760 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
761 break;
762 case 37:
763 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
764 break;
765 /* set background color */
766 case 40:
767 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
768 break;
769 case 41:
770 s->t_attrib.bgcol = QEMU_COLOR_RED;
771 break;
772 case 42:
773 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
774 break;
775 case 43:
776 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
777 break;
778 case 44:
779 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
780 break;
781 case 45:
782 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
783 break;
784 case 46:
785 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
786 break;
787 case 47:
788 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
789 break;
790 }
791 }
792 }
793
794 static void console_clear_xy(QemuConsole *s, int x, int y)
795 {
796 int y1 = (s->y_base + y) % s->total_height;
797 if (x >= s->width) {
798 x = s->width - 1;
799 }
800 TextCell *c = &s->cells[y1 * s->width + x];
801 c->ch = ' ';
802 c->t_attrib = s->t_attrib_default;
803 update_xy(s, x, y);
804 }
805
806 static void console_put_one(QemuConsole *s, int ch)
807 {
808 TextCell *c;
809 int y1;
810 if (s->x >= s->width) {
811 /* line wrap */
812 s->x = 0;
813 console_put_lf(s);
814 }
815 y1 = (s->y_base + s->y) % s->total_height;
816 c = &s->cells[y1 * s->width + s->x];
817 c->ch = ch;
818 c->t_attrib = s->t_attrib;
819 update_xy(s, s->x, s->y);
820 s->x++;
821 }
822
823 static void console_respond_str(QemuConsole *s, const char *buf)
824 {
825 while (*buf) {
826 console_put_one(s, *buf);
827 buf++;
828 }
829 }
830
831 /* set cursor, checking bounds */
832 static void set_cursor(QemuConsole *s, int x, int y)
833 {
834 if (x < 0) {
835 x = 0;
836 }
837 if (y < 0) {
838 y = 0;
839 }
840 if (y >= s->height) {
841 y = s->height - 1;
842 }
843 if (x >= s->width) {
844 x = s->width - 1;
845 }
846
847 s->x = x;
848 s->y = y;
849 }
850
851 static void console_putchar(QemuConsole *s, int ch)
852 {
853 int i;
854 int x, y;
855 char response[40];
856
857 switch(s->state) {
858 case TTY_STATE_NORM:
859 switch(ch) {
860 case '\r': /* carriage return */
861 s->x = 0;
862 break;
863 case '\n': /* newline */
864 console_put_lf(s);
865 break;
866 case '\b': /* backspace */
867 if (s->x > 0)
868 s->x--;
869 break;
870 case '\t': /* tabspace */
871 if (s->x + (8 - (s->x % 8)) > s->width) {
872 s->x = 0;
873 console_put_lf(s);
874 } else {
875 s->x = s->x + (8 - (s->x % 8));
876 }
877 break;
878 case '\a': /* alert aka. bell */
879 /* TODO: has to be implemented */
880 break;
881 case 14:
882 /* SI (shift in), character set 0 (ignored) */
883 break;
884 case 15:
885 /* SO (shift out), character set 1 (ignored) */
886 break;
887 case 27: /* esc (introducing an escape sequence) */
888 s->state = TTY_STATE_ESC;
889 break;
890 default:
891 console_put_one(s, ch);
892 break;
893 }
894 break;
895 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
896 if (ch == '[') {
897 for(i=0;i<MAX_ESC_PARAMS;i++)
898 s->esc_params[i] = 0;
899 s->nb_esc_params = 0;
900 s->state = TTY_STATE_CSI;
901 } else {
902 s->state = TTY_STATE_NORM;
903 }
904 break;
905 case TTY_STATE_CSI: /* handle escape sequence parameters */
906 if (ch >= '0' && ch <= '9') {
907 if (s->nb_esc_params < MAX_ESC_PARAMS) {
908 int *param = &s->esc_params[s->nb_esc_params];
909 int digit = (ch - '0');
910
911 *param = (*param <= (INT_MAX - digit) / 10) ?
912 *param * 10 + digit : INT_MAX;
913 }
914 } else {
915 if (s->nb_esc_params < MAX_ESC_PARAMS)
916 s->nb_esc_params++;
917 if (ch == ';' || ch == '?') {
918 break;
919 }
920 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
921 ch, s->nb_esc_params);
922 s->state = TTY_STATE_NORM;
923 switch(ch) {
924 case 'A':
925 /* move cursor up */
926 if (s->esc_params[0] == 0) {
927 s->esc_params[0] = 1;
928 }
929 set_cursor(s, s->x, s->y - s->esc_params[0]);
930 break;
931 case 'B':
932 /* move cursor down */
933 if (s->esc_params[0] == 0) {
934 s->esc_params[0] = 1;
935 }
936 set_cursor(s, s->x, s->y + s->esc_params[0]);
937 break;
938 case 'C':
939 /* move cursor right */
940 if (s->esc_params[0] == 0) {
941 s->esc_params[0] = 1;
942 }
943 set_cursor(s, s->x + s->esc_params[0], s->y);
944 break;
945 case 'D':
946 /* move cursor left */
947 if (s->esc_params[0] == 0) {
948 s->esc_params[0] = 1;
949 }
950 set_cursor(s, s->x - s->esc_params[0], s->y);
951 break;
952 case 'G':
953 /* move cursor to column */
954 set_cursor(s, s->esc_params[0] - 1, s->y);
955 break;
956 case 'f':
957 case 'H':
958 /* move cursor to row, column */
959 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
960 break;
961 case 'J':
962 switch (s->esc_params[0]) {
963 case 0:
964 /* clear to end of screen */
965 for (y = s->y; y < s->height; y++) {
966 for (x = 0; x < s->width; x++) {
967 if (y == s->y && x < s->x) {
968 continue;
969 }
970 console_clear_xy(s, x, y);
971 }
972 }
973 break;
974 case 1:
975 /* clear from beginning of screen */
976 for (y = 0; y <= s->y; y++) {
977 for (x = 0; x < s->width; x++) {
978 if (y == s->y && x > s->x) {
979 break;
980 }
981 console_clear_xy(s, x, y);
982 }
983 }
984 break;
985 case 2:
986 /* clear entire screen */
987 for (y = 0; y <= s->height; y++) {
988 for (x = 0; x < s->width; x++) {
989 console_clear_xy(s, x, y);
990 }
991 }
992 break;
993 }
994 break;
995 case 'K':
996 switch (s->esc_params[0]) {
997 case 0:
998 /* clear to eol */
999 for(x = s->x; x < s->width; x++) {
1000 console_clear_xy(s, x, s->y);
1001 }
1002 break;
1003 case 1:
1004 /* clear from beginning of line */
1005 for (x = 0; x <= s->x && x < s->width; x++) {
1006 console_clear_xy(s, x, s->y);
1007 }
1008 break;
1009 case 2:
1010 /* clear entire line */
1011 for(x = 0; x < s->width; x++) {
1012 console_clear_xy(s, x, s->y);
1013 }
1014 break;
1015 }
1016 break;
1017 case 'm':
1018 console_handle_escape(s);
1019 break;
1020 case 'n':
1021 switch (s->esc_params[0]) {
1022 case 5:
1023 /* report console status (always succeed)*/
1024 console_respond_str(s, "\033[0n");
1025 break;
1026 case 6:
1027 /* report cursor position */
1028 sprintf(response, "\033[%d;%dR",
1029 (s->y_base + s->y) % s->total_height + 1,
1030 s->x + 1);
1031 console_respond_str(s, response);
1032 break;
1033 }
1034 break;
1035 case 's':
1036 /* save cursor position */
1037 s->x_saved = s->x;
1038 s->y_saved = s->y;
1039 break;
1040 case 'u':
1041 /* restore cursor position */
1042 s->x = s->x_saved;
1043 s->y = s->y_saved;
1044 break;
1045 default:
1046 trace_console_putchar_unhandled(ch);
1047 break;
1048 }
1049 break;
1050 }
1051 }
1052 }
1053
1054 void console_select(unsigned int index)
1055 {
1056 DisplayChangeListener *dcl;
1057 QemuConsole *s;
1058
1059 trace_console_select(index);
1060 s = qemu_console_lookup_by_index(index);
1061 if (s) {
1062 DisplayState *ds = s->ds;
1063
1064 active_console = s;
1065 if (ds->have_gfx) {
1066 QLIST_FOREACH(dcl, &ds->listeners, next) {
1067 if (dcl->con != NULL) {
1068 continue;
1069 }
1070 if (dcl->ops->dpy_gfx_switch) {
1071 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1072 }
1073 }
1074 if (s->surface) {
1075 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1076 surface_height(s->surface));
1077 }
1078 }
1079 if (ds->have_text) {
1080 dpy_text_resize(s, s->width, s->height);
1081 }
1082 text_console_update_cursor(NULL);
1083 }
1084 }
1085
1086 struct VCChardev {
1087 Chardev parent;
1088 QemuConsole *console;
1089 };
1090 typedef struct VCChardev VCChardev;
1091
1092 #define TYPE_CHARDEV_VC "chardev-vc"
1093 DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV,
1094 TYPE_CHARDEV_VC)
1095
1096 static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
1097 {
1098 VCChardev *drv = VC_CHARDEV(chr);
1099 QemuConsole *s = drv->console;
1100 int i;
1101
1102 if (!s->ds) {
1103 return 0;
1104 }
1105
1106 s->update_x0 = s->width * FONT_WIDTH;
1107 s->update_y0 = s->height * FONT_HEIGHT;
1108 s->update_x1 = 0;
1109 s->update_y1 = 0;
1110 console_show_cursor(s, 0);
1111 for(i = 0; i < len; i++) {
1112 console_putchar(s, buf[i]);
1113 }
1114 console_show_cursor(s, 1);
1115 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1116 dpy_gfx_update(s, s->update_x0, s->update_y0,
1117 s->update_x1 - s->update_x0,
1118 s->update_y1 - s->update_y0);
1119 }
1120 return len;
1121 }
1122
1123 static void kbd_send_chars(void *opaque)
1124 {
1125 QemuConsole *s = opaque;
1126 int len;
1127 uint8_t buf[16];
1128
1129 len = qemu_chr_be_can_write(s->chr);
1130 if (len > s->out_fifo.count)
1131 len = s->out_fifo.count;
1132 if (len > 0) {
1133 if (len > sizeof(buf))
1134 len = sizeof(buf);
1135 qemu_fifo_read(&s->out_fifo, buf, len);
1136 qemu_chr_be_write(s->chr, buf, len);
1137 }
1138 /* characters are pending: we send them a bit later (XXX:
1139 horrible, should change char device API) */
1140 if (s->out_fifo.count > 0) {
1141 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1142 }
1143 }
1144
1145 /* called when an ascii key is pressed */
1146 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1147 {
1148 uint8_t buf[16], *q;
1149 CharBackend *be;
1150 int c;
1151
1152 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1153 return;
1154
1155 switch(keysym) {
1156 case QEMU_KEY_CTRL_UP:
1157 console_scroll(s, -1);
1158 break;
1159 case QEMU_KEY_CTRL_DOWN:
1160 console_scroll(s, 1);
1161 break;
1162 case QEMU_KEY_CTRL_PAGEUP:
1163 console_scroll(s, -10);
1164 break;
1165 case QEMU_KEY_CTRL_PAGEDOWN:
1166 console_scroll(s, 10);
1167 break;
1168 default:
1169 /* convert the QEMU keysym to VT100 key string */
1170 q = buf;
1171 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1172 *q++ = '\033';
1173 *q++ = '[';
1174 c = keysym - 0xe100;
1175 if (c >= 10)
1176 *q++ = '0' + (c / 10);
1177 *q++ = '0' + (c % 10);
1178 *q++ = '~';
1179 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1180 *q++ = '\033';
1181 *q++ = '[';
1182 *q++ = keysym & 0xff;
1183 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1184 vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
1185 *q++ = '\n';
1186 } else {
1187 *q++ = keysym;
1188 }
1189 if (s->echo) {
1190 vc_chr_write(s->chr, buf, q - buf);
1191 }
1192 be = s->chr->be;
1193 if (be && be->chr_read) {
1194 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1195 kbd_send_chars(s);
1196 }
1197 break;
1198 }
1199 }
1200
1201 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1202 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1203 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1204 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1205 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1206 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1207 [Q_KEY_CODE_END] = QEMU_KEY_END,
1208 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1209 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1210 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1211 [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE,
1212 };
1213
1214 static const int ctrl_qcode_to_keysym[Q_KEY_CODE__MAX] = {
1215 [Q_KEY_CODE_UP] = QEMU_KEY_CTRL_UP,
1216 [Q_KEY_CODE_DOWN] = QEMU_KEY_CTRL_DOWN,
1217 [Q_KEY_CODE_RIGHT] = QEMU_KEY_CTRL_RIGHT,
1218 [Q_KEY_CODE_LEFT] = QEMU_KEY_CTRL_LEFT,
1219 [Q_KEY_CODE_HOME] = QEMU_KEY_CTRL_HOME,
1220 [Q_KEY_CODE_END] = QEMU_KEY_CTRL_END,
1221 [Q_KEY_CODE_PGUP] = QEMU_KEY_CTRL_PAGEUP,
1222 [Q_KEY_CODE_PGDN] = QEMU_KEY_CTRL_PAGEDOWN,
1223 };
1224
1225 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl)
1226 {
1227 int keysym;
1228
1229 keysym = ctrl ? ctrl_qcode_to_keysym[qcode] : qcode_to_keysym[qcode];
1230 if (keysym == 0) {
1231 return false;
1232 }
1233 kbd_put_keysym_console(s, keysym);
1234 return true;
1235 }
1236
1237 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1238 {
1239 int i;
1240
1241 for (i = 0; i < len && str[i]; i++) {
1242 kbd_put_keysym_console(s, str[i]);
1243 }
1244 }
1245
1246 void kbd_put_keysym(int keysym)
1247 {
1248 kbd_put_keysym_console(active_console, keysym);
1249 }
1250
1251 static void text_console_invalidate(void *opaque)
1252 {
1253 QemuConsole *s = (QemuConsole *) opaque;
1254
1255 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1256 text_console_resize(s);
1257 }
1258 console_refresh(s);
1259 }
1260
1261 static void text_console_update(void *opaque, console_ch_t *chardata)
1262 {
1263 QemuConsole *s = (QemuConsole *) opaque;
1264 int i, j, src;
1265
1266 if (s->text_x[0] <= s->text_x[1]) {
1267 src = (s->y_base + s->text_y[0]) * s->width;
1268 chardata += s->text_y[0] * s->width;
1269 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1270 for (j = 0; j < s->width; j++, src++) {
1271 console_write_ch(chardata ++,
1272 ATTR2CHTYPE(s->cells[src].ch,
1273 s->cells[src].t_attrib.fgcol,
1274 s->cells[src].t_attrib.bgcol,
1275 s->cells[src].t_attrib.bold));
1276 }
1277 dpy_text_update(s, s->text_x[0], s->text_y[0],
1278 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1279 s->text_x[0] = s->width;
1280 s->text_y[0] = s->height;
1281 s->text_x[1] = 0;
1282 s->text_y[1] = 0;
1283 }
1284 if (s->cursor_invalidate) {
1285 dpy_text_cursor(s, s->x, s->y);
1286 s->cursor_invalidate = 0;
1287 }
1288 }
1289
1290 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1291 uint32_t head)
1292 {
1293 Object *obj;
1294 QemuConsole *s;
1295 int i;
1296
1297 obj = object_new(TYPE_QEMU_CONSOLE);
1298 s = QEMU_CONSOLE(obj);
1299 s->head = head;
1300 object_property_add_link(obj, "device", TYPE_DEVICE,
1301 (Object **)&s->device,
1302 object_property_allow_set_link,
1303 OBJ_PROP_LINK_STRONG);
1304 object_property_add_uint32_ptr(obj, "head", &s->head,
1305 OBJ_PROP_FLAG_READ);
1306
1307 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1308 (console_type == GRAPHIC_CONSOLE))) {
1309 active_console = s;
1310 }
1311 s->ds = ds;
1312 s->console_type = console_type;
1313 s->window_id = -1;
1314
1315 if (QTAILQ_EMPTY(&consoles)) {
1316 s->index = 0;
1317 QTAILQ_INSERT_TAIL(&consoles, s, next);
1318 } else if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) {
1319 QemuConsole *last = QTAILQ_LAST(&consoles);
1320 s->index = last->index + 1;
1321 QTAILQ_INSERT_TAIL(&consoles, s, next);
1322 } else {
1323 /*
1324 * HACK: Put graphical consoles before text consoles.
1325 *
1326 * Only do that for coldplugged devices. After initial device
1327 * initialization we will not renumber the consoles any more.
1328 */
1329 QemuConsole *c = QTAILQ_FIRST(&consoles);
1330
1331 while (QTAILQ_NEXT(c, next) != NULL &&
1332 c->console_type == GRAPHIC_CONSOLE) {
1333 c = QTAILQ_NEXT(c, next);
1334 }
1335 if (c->console_type == GRAPHIC_CONSOLE) {
1336 /* have no text consoles */
1337 s->index = c->index + 1;
1338 QTAILQ_INSERT_AFTER(&consoles, c, s, next);
1339 } else {
1340 s->index = c->index;
1341 QTAILQ_INSERT_BEFORE(c, s, next);
1342 /* renumber text consoles */
1343 for (i = s->index + 1; c != NULL; c = QTAILQ_NEXT(c, next), i++) {
1344 c->index = i;
1345 }
1346 }
1347 }
1348 return s;
1349 }
1350
1351 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1352 {
1353 qemu_pixman_image_unref(surface->image);
1354 surface->image = NULL;
1355
1356 surface->format = PIXMAN_x8r8g8b8;
1357 surface->image = pixman_image_create_bits(surface->format,
1358 width, height,
1359 NULL, width * 4);
1360 assert(surface->image != NULL);
1361
1362 surface->flags = QEMU_ALLOCATED_FLAG;
1363 }
1364
1365 DisplaySurface *qemu_create_displaysurface(int width, int height)
1366 {
1367 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1368
1369 trace_displaysurface_create(surface, width, height);
1370 qemu_alloc_display(surface, width, height);
1371 return surface;
1372 }
1373
1374 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1375 pixman_format_code_t format,
1376 int linesize, uint8_t *data)
1377 {
1378 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1379
1380 trace_displaysurface_create_from(surface, width, height, format);
1381 surface->format = format;
1382 surface->image = pixman_image_create_bits(surface->format,
1383 width, height,
1384 (void *)data, linesize);
1385 assert(surface->image != NULL);
1386
1387 return surface;
1388 }
1389
1390 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image)
1391 {
1392 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1393
1394 trace_displaysurface_create_pixman(surface);
1395 surface->format = pixman_image_get_format(image);
1396 surface->image = pixman_image_ref(image);
1397
1398 return surface;
1399 }
1400
1401 DisplaySurface *qemu_create_message_surface(int w, int h,
1402 const char *msg)
1403 {
1404 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1405 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1406 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1407 pixman_image_t *glyph;
1408 int len, x, y, i;
1409
1410 len = strlen(msg);
1411 x = (w / FONT_WIDTH - len) / 2;
1412 y = (h / FONT_HEIGHT - 1) / 2;
1413 for (i = 0; i < len; i++) {
1414 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1415 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1416 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1417 qemu_pixman_image_unref(glyph);
1418 }
1419 return surface;
1420 }
1421
1422 void qemu_free_displaysurface(DisplaySurface *surface)
1423 {
1424 if (surface == NULL) {
1425 return;
1426 }
1427 trace_displaysurface_free(surface);
1428 qemu_pixman_image_unref(surface->image);
1429 g_free(surface);
1430 }
1431
1432 bool console_has_gl(QemuConsole *con)
1433 {
1434 return con->gl != NULL;
1435 }
1436
1437 bool console_has_gl_dmabuf(QemuConsole *con)
1438 {
1439 return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL;
1440 }
1441
1442 void register_displaychangelistener(DisplayChangeListener *dcl)
1443 {
1444 static const char nodev[] =
1445 "This VM has no graphic display device.";
1446 static DisplaySurface *dummy;
1447 QemuConsole *con;
1448
1449 assert(!dcl->ds);
1450
1451 if (dcl->ops->dpy_gl_ctx_create) {
1452 /* display has opengl support */
1453 assert(dcl->con);
1454 if (dcl->con->gl) {
1455 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1456 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1457 exit(1);
1458 }
1459 dcl->con->gl = dcl;
1460 }
1461
1462 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1463 dcl->ds = get_alloc_displaystate();
1464 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1465 gui_setup_refresh(dcl->ds);
1466 if (dcl->con) {
1467 dcl->con->dcls++;
1468 con = dcl->con;
1469 } else {
1470 con = active_console;
1471 }
1472 if (dcl->ops->dpy_gfx_switch) {
1473 if (con) {
1474 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1475 } else {
1476 if (!dummy) {
1477 dummy = qemu_create_message_surface(640, 480, nodev);
1478 }
1479 dcl->ops->dpy_gfx_switch(dcl, dummy);
1480 }
1481 }
1482 text_console_update_cursor(NULL);
1483 }
1484
1485 void update_displaychangelistener(DisplayChangeListener *dcl,
1486 uint64_t interval)
1487 {
1488 DisplayState *ds = dcl->ds;
1489
1490 dcl->update_interval = interval;
1491 if (!ds->refreshing && ds->update_interval > interval) {
1492 timer_mod(ds->gui_timer, ds->last_update + interval);
1493 }
1494 }
1495
1496 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1497 {
1498 DisplayState *ds = dcl->ds;
1499 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1500 if (dcl->con) {
1501 dcl->con->dcls--;
1502 }
1503 QLIST_REMOVE(dcl, next);
1504 dcl->ds = NULL;
1505 gui_setup_refresh(ds);
1506 }
1507
1508 static void dpy_set_ui_info_timer(void *opaque)
1509 {
1510 QemuConsole *con = opaque;
1511
1512 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1513 }
1514
1515 bool dpy_ui_info_supported(QemuConsole *con)
1516 {
1517 return con->hw_ops->ui_info != NULL;
1518 }
1519
1520 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con)
1521 {
1522 assert(con != NULL);
1523
1524 return &con->ui_info;
1525 }
1526
1527 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1528 {
1529 assert(con != NULL);
1530
1531 if (!dpy_ui_info_supported(con)) {
1532 return -1;
1533 }
1534 if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) {
1535 /* nothing changed -- ignore */
1536 return 0;
1537 }
1538
1539 /*
1540 * Typically we get a flood of these as the user resizes the window.
1541 * Wait until the dust has settled (one second without updates), then
1542 * go notify the guest.
1543 */
1544 con->ui_info = *info;
1545 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1546 return 0;
1547 }
1548
1549 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1550 {
1551 DisplayState *s = con->ds;
1552 DisplayChangeListener *dcl;
1553 int width = w;
1554 int height = h;
1555
1556 if (con->surface) {
1557 width = surface_width(con->surface);
1558 height = surface_height(con->surface);
1559 }
1560 x = MAX(x, 0);
1561 y = MAX(y, 0);
1562 x = MIN(x, width);
1563 y = MIN(y, height);
1564 w = MIN(w, width - x);
1565 h = MIN(h, height - y);
1566
1567 if (!qemu_console_is_visible(con)) {
1568 return;
1569 }
1570 QLIST_FOREACH(dcl, &s->listeners, next) {
1571 if (con != (dcl->con ? dcl->con : active_console)) {
1572 continue;
1573 }
1574 if (dcl->ops->dpy_gfx_update) {
1575 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1576 }
1577 }
1578 }
1579
1580 void dpy_gfx_update_full(QemuConsole *con)
1581 {
1582 if (!con->surface) {
1583 return;
1584 }
1585 dpy_gfx_update(con, 0, 0,
1586 surface_width(con->surface),
1587 surface_height(con->surface));
1588 }
1589
1590 void dpy_gfx_replace_surface(QemuConsole *con,
1591 DisplaySurface *surface)
1592 {
1593 DisplayState *s = con->ds;
1594 DisplaySurface *old_surface = con->surface;
1595 DisplayChangeListener *dcl;
1596
1597 assert(old_surface != surface || surface == NULL);
1598
1599 con->surface = surface;
1600 QLIST_FOREACH(dcl, &s->listeners, next) {
1601 if (con != (dcl->con ? dcl->con : active_console)) {
1602 continue;
1603 }
1604 if (dcl->ops->dpy_gfx_switch) {
1605 dcl->ops->dpy_gfx_switch(dcl, surface);
1606 }
1607 }
1608 qemu_free_displaysurface(old_surface);
1609 }
1610
1611 bool dpy_gfx_check_format(QemuConsole *con,
1612 pixman_format_code_t format)
1613 {
1614 DisplayChangeListener *dcl;
1615 DisplayState *s = con->ds;
1616
1617 QLIST_FOREACH(dcl, &s->listeners, next) {
1618 if (dcl->con && dcl->con != con) {
1619 /* dcl bound to another console -> skip */
1620 continue;
1621 }
1622 if (dcl->ops->dpy_gfx_check_format) {
1623 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1624 return false;
1625 }
1626 } else {
1627 /* default is to whitelist native 32 bpp only */
1628 if (format != qemu_default_pixman_format(32, true)) {
1629 return false;
1630 }
1631 }
1632 }
1633 return true;
1634 }
1635
1636 static void dpy_refresh(DisplayState *s)
1637 {
1638 DisplayChangeListener *dcl;
1639
1640 QLIST_FOREACH(dcl, &s->listeners, next) {
1641 if (dcl->ops->dpy_refresh) {
1642 dcl->ops->dpy_refresh(dcl);
1643 }
1644 }
1645 }
1646
1647 void dpy_text_cursor(QemuConsole *con, int x, int y)
1648 {
1649 DisplayState *s = con->ds;
1650 DisplayChangeListener *dcl;
1651
1652 if (!qemu_console_is_visible(con)) {
1653 return;
1654 }
1655 QLIST_FOREACH(dcl, &s->listeners, next) {
1656 if (con != (dcl->con ? dcl->con : active_console)) {
1657 continue;
1658 }
1659 if (dcl->ops->dpy_text_cursor) {
1660 dcl->ops->dpy_text_cursor(dcl, x, y);
1661 }
1662 }
1663 }
1664
1665 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1666 {
1667 DisplayState *s = con->ds;
1668 DisplayChangeListener *dcl;
1669
1670 if (!qemu_console_is_visible(con)) {
1671 return;
1672 }
1673 QLIST_FOREACH(dcl, &s->listeners, next) {
1674 if (con != (dcl->con ? dcl->con : active_console)) {
1675 continue;
1676 }
1677 if (dcl->ops->dpy_text_update) {
1678 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1679 }
1680 }
1681 }
1682
1683 void dpy_text_resize(QemuConsole *con, int w, int h)
1684 {
1685 DisplayState *s = con->ds;
1686 DisplayChangeListener *dcl;
1687
1688 if (!qemu_console_is_visible(con)) {
1689 return;
1690 }
1691 QLIST_FOREACH(dcl, &s->listeners, next) {
1692 if (con != (dcl->con ? dcl->con : active_console)) {
1693 continue;
1694 }
1695 if (dcl->ops->dpy_text_resize) {
1696 dcl->ops->dpy_text_resize(dcl, w, h);
1697 }
1698 }
1699 }
1700
1701 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1702 {
1703 DisplayState *s = con->ds;
1704 DisplayChangeListener *dcl;
1705
1706 if (!qemu_console_is_visible(con)) {
1707 return;
1708 }
1709 QLIST_FOREACH(dcl, &s->listeners, next) {
1710 if (con != (dcl->con ? dcl->con : active_console)) {
1711 continue;
1712 }
1713 if (dcl->ops->dpy_mouse_set) {
1714 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1715 }
1716 }
1717 }
1718
1719 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1720 {
1721 DisplayState *s = con->ds;
1722 DisplayChangeListener *dcl;
1723
1724 if (!qemu_console_is_visible(con)) {
1725 return;
1726 }
1727 QLIST_FOREACH(dcl, &s->listeners, next) {
1728 if (con != (dcl->con ? dcl->con : active_console)) {
1729 continue;
1730 }
1731 if (dcl->ops->dpy_cursor_define) {
1732 dcl->ops->dpy_cursor_define(dcl, cursor);
1733 }
1734 }
1735 }
1736
1737 bool dpy_cursor_define_supported(QemuConsole *con)
1738 {
1739 DisplayState *s = con->ds;
1740 DisplayChangeListener *dcl;
1741
1742 QLIST_FOREACH(dcl, &s->listeners, next) {
1743 if (dcl->ops->dpy_cursor_define) {
1744 return true;
1745 }
1746 }
1747 return false;
1748 }
1749
1750 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1751 struct QEMUGLParams *qparams)
1752 {
1753 assert(con->gl);
1754 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1755 }
1756
1757 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1758 {
1759 assert(con->gl);
1760 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1761 }
1762
1763 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1764 {
1765 assert(con->gl);
1766 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1767 }
1768
1769 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1770 {
1771 assert(con->gl);
1772 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1773 }
1774
1775 void dpy_gl_scanout_disable(QemuConsole *con)
1776 {
1777 assert(con->gl);
1778 if (con->gl->ops->dpy_gl_scanout_disable) {
1779 con->gl->ops->dpy_gl_scanout_disable(con->gl);
1780 } else {
1781 con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0,
1782 0, 0, 0, 0);
1783 }
1784 }
1785
1786 void dpy_gl_scanout_texture(QemuConsole *con,
1787 uint32_t backing_id,
1788 bool backing_y_0_top,
1789 uint32_t backing_width,
1790 uint32_t backing_height,
1791 uint32_t x, uint32_t y,
1792 uint32_t width, uint32_t height)
1793 {
1794 assert(con->gl);
1795 con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id,
1796 backing_y_0_top,
1797 backing_width, backing_height,
1798 x, y, width, height);
1799 }
1800
1801 void dpy_gl_scanout_dmabuf(QemuConsole *con,
1802 QemuDmaBuf *dmabuf)
1803 {
1804 assert(con->gl);
1805 con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf);
1806 }
1807
1808 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
1809 bool have_hot, uint32_t hot_x, uint32_t hot_y)
1810 {
1811 assert(con->gl);
1812
1813 if (con->gl->ops->dpy_gl_cursor_dmabuf) {
1814 con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf,
1815 have_hot, hot_x, hot_y);
1816 }
1817 }
1818
1819 void dpy_gl_cursor_position(QemuConsole *con,
1820 uint32_t pos_x, uint32_t pos_y)
1821 {
1822 assert(con->gl);
1823
1824 if (con->gl->ops->dpy_gl_cursor_position) {
1825 con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y);
1826 }
1827 }
1828
1829 void dpy_gl_release_dmabuf(QemuConsole *con,
1830 QemuDmaBuf *dmabuf)
1831 {
1832 assert(con->gl);
1833
1834 if (con->gl->ops->dpy_gl_release_dmabuf) {
1835 con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf);
1836 }
1837 }
1838
1839 void dpy_gl_update(QemuConsole *con,
1840 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1841 {
1842 assert(con->gl);
1843 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1844 }
1845
1846 /***********************************************************/
1847 /* register display */
1848
1849 /* console.c internal use only */
1850 static DisplayState *get_alloc_displaystate(void)
1851 {
1852 if (!display_state) {
1853 display_state = g_new0(DisplayState, 1);
1854 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1855 text_console_update_cursor, NULL);
1856 }
1857 return display_state;
1858 }
1859
1860 /*
1861 * Called by main(), after creating QemuConsoles
1862 * and before initializing ui (sdl/vnc/...).
1863 */
1864 DisplayState *init_displaystate(void)
1865 {
1866 gchar *name;
1867 QemuConsole *con;
1868
1869 get_alloc_displaystate();
1870 QTAILQ_FOREACH(con, &consoles, next) {
1871 if (con->console_type != GRAPHIC_CONSOLE &&
1872 con->ds == NULL) {
1873 text_console_do_init(con->chr, display_state);
1874 }
1875
1876 /* Hook up into the qom tree here (not in new_console()), once
1877 * all QemuConsoles are created and the order / numbering
1878 * doesn't change any more */
1879 name = g_strdup_printf("console[%d]", con->index);
1880 object_property_add_child(container_get(object_get_root(), "/backend"),
1881 name, OBJECT(con));
1882 g_free(name);
1883 }
1884
1885 return display_state;
1886 }
1887
1888 void graphic_console_set_hwops(QemuConsole *con,
1889 const GraphicHwOps *hw_ops,
1890 void *opaque)
1891 {
1892 con->hw_ops = hw_ops;
1893 con->hw = opaque;
1894 }
1895
1896 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1897 const GraphicHwOps *hw_ops,
1898 void *opaque)
1899 {
1900 static const char noinit[] =
1901 "Guest has not initialized the display (yet).";
1902 int width = 640;
1903 int height = 480;
1904 QemuConsole *s;
1905 DisplayState *ds;
1906 DisplaySurface *surface;
1907
1908 ds = get_alloc_displaystate();
1909 s = qemu_console_lookup_unused();
1910 if (s) {
1911 trace_console_gfx_reuse(s->index);
1912 if (s->surface) {
1913 width = surface_width(s->surface);
1914 height = surface_height(s->surface);
1915 }
1916 } else {
1917 trace_console_gfx_new();
1918 s = new_console(ds, GRAPHIC_CONSOLE, head);
1919 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1920 dpy_set_ui_info_timer, s);
1921 }
1922 graphic_console_set_hwops(s, hw_ops, opaque);
1923 if (dev) {
1924 object_property_set_link(OBJECT(s), "device", OBJECT(dev),
1925 &error_abort);
1926 }
1927
1928 surface = qemu_create_message_surface(width, height, noinit);
1929 dpy_gfx_replace_surface(s, surface);
1930 return s;
1931 }
1932
1933 static const GraphicHwOps unused_ops = {
1934 /* no callbacks */
1935 };
1936
1937 void graphic_console_close(QemuConsole *con)
1938 {
1939 static const char unplugged[] =
1940 "Guest display has been unplugged";
1941 DisplaySurface *surface;
1942 int width = 640;
1943 int height = 480;
1944
1945 if (con->surface) {
1946 width = surface_width(con->surface);
1947 height = surface_height(con->surface);
1948 }
1949
1950 trace_console_gfx_close(con->index);
1951 object_property_set_link(OBJECT(con), "device", NULL, &error_abort);
1952 graphic_console_set_hwops(con, &unused_ops, NULL);
1953
1954 if (con->gl) {
1955 dpy_gl_scanout_disable(con);
1956 }
1957 surface = qemu_create_message_surface(width, height, unplugged);
1958 dpy_gfx_replace_surface(con, surface);
1959 }
1960
1961 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1962 {
1963 QemuConsole *con;
1964
1965 QTAILQ_FOREACH(con, &consoles, next) {
1966 if (con->index == index) {
1967 return con;
1968 }
1969 }
1970 return NULL;
1971 }
1972
1973 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1974 {
1975 QemuConsole *con;
1976 Object *obj;
1977 uint32_t h;
1978
1979 QTAILQ_FOREACH(con, &consoles, next) {
1980 obj = object_property_get_link(OBJECT(con),
1981 "device", &error_abort);
1982 if (DEVICE(obj) != dev) {
1983 continue;
1984 }
1985 h = object_property_get_uint(OBJECT(con),
1986 "head", &error_abort);
1987 if (h != head) {
1988 continue;
1989 }
1990 return con;
1991 }
1992 return NULL;
1993 }
1994
1995 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
1996 uint32_t head, Error **errp)
1997 {
1998 DeviceState *dev;
1999 QemuConsole *con;
2000
2001 dev = qdev_find_recursive(sysbus_get_default(), device_id);
2002 if (dev == NULL) {
2003 error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
2004 "Device '%s' not found", device_id);
2005 return NULL;
2006 }
2007
2008 con = qemu_console_lookup_by_device(dev, head);
2009 if (con == NULL) {
2010 error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole",
2011 device_id, head);
2012 return NULL;
2013 }
2014
2015 return con;
2016 }
2017
2018 QemuConsole *qemu_console_lookup_unused(void)
2019 {
2020 QemuConsole *con;
2021 Object *obj;
2022
2023 QTAILQ_FOREACH(con, &consoles, next) {
2024 if (con->hw_ops != &unused_ops) {
2025 continue;
2026 }
2027 obj = object_property_get_link(OBJECT(con),
2028 "device", &error_abort);
2029 if (obj != NULL) {
2030 continue;
2031 }
2032 return con;
2033 }
2034 return NULL;
2035 }
2036
2037 bool qemu_console_is_visible(QemuConsole *con)
2038 {
2039 return (con == active_console) || (con->dcls > 0);
2040 }
2041
2042 bool qemu_console_is_graphic(QemuConsole *con)
2043 {
2044 if (con == NULL) {
2045 con = active_console;
2046 }
2047 return con && (con->console_type == GRAPHIC_CONSOLE);
2048 }
2049
2050 bool qemu_console_is_fixedsize(QemuConsole *con)
2051 {
2052 if (con == NULL) {
2053 con = active_console;
2054 }
2055 return con && (con->console_type != TEXT_CONSOLE);
2056 }
2057
2058 bool qemu_console_is_gl_blocked(QemuConsole *con)
2059 {
2060 assert(con != NULL);
2061 return con->gl_block;
2062 }
2063
2064 char *qemu_console_get_label(QemuConsole *con)
2065 {
2066 if (con->console_type == GRAPHIC_CONSOLE) {
2067 if (con->device) {
2068 return g_strdup(object_get_typename(con->device));
2069 }
2070 return g_strdup("VGA");
2071 } else {
2072 if (con->chr && con->chr->label) {
2073 return g_strdup(con->chr->label);
2074 }
2075 return g_strdup_printf("vc%d", con->index);
2076 }
2077 }
2078
2079 int qemu_console_get_index(QemuConsole *con)
2080 {
2081 if (con == NULL) {
2082 con = active_console;
2083 }
2084 return con ? con->index : -1;
2085 }
2086
2087 uint32_t qemu_console_get_head(QemuConsole *con)
2088 {
2089 if (con == NULL) {
2090 con = active_console;
2091 }
2092 return con ? con->head : -1;
2093 }
2094
2095 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
2096 {
2097 assert(con != NULL);
2098 return &con->ui_info;
2099 }
2100
2101 int qemu_console_get_width(QemuConsole *con, int fallback)
2102 {
2103 if (con == NULL) {
2104 con = active_console;
2105 }
2106 return con ? surface_width(con->surface) : fallback;
2107 }
2108
2109 int qemu_console_get_height(QemuConsole *con, int fallback)
2110 {
2111 if (con == NULL) {
2112 con = active_console;
2113 }
2114 return con ? surface_height(con->surface) : fallback;
2115 }
2116
2117 static void vc_chr_set_echo(Chardev *chr, bool echo)
2118 {
2119 VCChardev *drv = VC_CHARDEV(chr);
2120 QemuConsole *s = drv->console;
2121
2122 s->echo = echo;
2123 }
2124
2125 static void text_console_update_cursor_timer(void)
2126 {
2127 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
2128 + CONSOLE_CURSOR_PERIOD / 2);
2129 }
2130
2131 static void text_console_update_cursor(void *opaque)
2132 {
2133 QemuConsole *s;
2134 int count = 0;
2135
2136 cursor_visible_phase = !cursor_visible_phase;
2137
2138 QTAILQ_FOREACH(s, &consoles, next) {
2139 if (qemu_console_is_graphic(s) ||
2140 !qemu_console_is_visible(s)) {
2141 continue;
2142 }
2143 count++;
2144 graphic_hw_invalidate(s);
2145 }
2146
2147 if (count) {
2148 text_console_update_cursor_timer();
2149 }
2150 }
2151
2152 static const GraphicHwOps text_console_ops = {
2153 .invalidate = text_console_invalidate,
2154 .text_update = text_console_update,
2155 };
2156
2157 static void text_console_do_init(Chardev *chr, DisplayState *ds)
2158 {
2159 VCChardev *drv = VC_CHARDEV(chr);
2160 QemuConsole *s = drv->console;
2161 int g_width = 80 * FONT_WIDTH;
2162 int g_height = 24 * FONT_HEIGHT;
2163
2164 s->out_fifo.buf = s->out_fifo_buf;
2165 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
2166 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
2167 s->ds = ds;
2168
2169 s->y_displayed = 0;
2170 s->y_base = 0;
2171 s->total_height = DEFAULT_BACKSCROLL;
2172 s->x = 0;
2173 s->y = 0;
2174 if (!s->surface) {
2175 if (active_console && active_console->surface) {
2176 g_width = surface_width(active_console->surface);
2177 g_height = surface_height(active_console->surface);
2178 }
2179 s->surface = qemu_create_displaysurface(g_width, g_height);
2180 }
2181
2182 s->hw_ops = &text_console_ops;
2183 s->hw = s;
2184
2185 /* Set text attribute defaults */
2186 s->t_attrib_default.bold = 0;
2187 s->t_attrib_default.uline = 0;
2188 s->t_attrib_default.blink = 0;
2189 s->t_attrib_default.invers = 0;
2190 s->t_attrib_default.unvisible = 0;
2191 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
2192 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
2193 /* set current text attributes to default */
2194 s->t_attrib = s->t_attrib_default;
2195 text_console_resize(s);
2196
2197 if (chr->label) {
2198 char *msg;
2199
2200 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
2201 msg = g_strdup_printf("%s console\r\n", chr->label);
2202 vc_chr_write(chr, (uint8_t *)msg, strlen(msg));
2203 g_free(msg);
2204 s->t_attrib = s->t_attrib_default;
2205 }
2206
2207 qemu_chr_be_event(chr, CHR_EVENT_OPENED);
2208 }
2209
2210 static void vc_chr_open(Chardev *chr,
2211 ChardevBackend *backend,
2212 bool *be_opened,
2213 Error **errp)
2214 {
2215 ChardevVC *vc = backend->u.vc.data;
2216 VCChardev *drv = VC_CHARDEV(chr);
2217 QemuConsole *s;
2218 unsigned width = 0;
2219 unsigned height = 0;
2220
2221 if (vc->has_width) {
2222 width = vc->width;
2223 } else if (vc->has_cols) {
2224 width = vc->cols * FONT_WIDTH;
2225 }
2226
2227 if (vc->has_height) {
2228 height = vc->height;
2229 } else if (vc->has_rows) {
2230 height = vc->rows * FONT_HEIGHT;
2231 }
2232
2233 trace_console_txt_new(width, height);
2234 if (width == 0 || height == 0) {
2235 s = new_console(NULL, TEXT_CONSOLE, 0);
2236 } else {
2237 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
2238 s->surface = qemu_create_displaysurface(width, height);
2239 }
2240
2241 if (!s) {
2242 error_setg(errp, "cannot create text console");
2243 return;
2244 }
2245
2246 s->chr = chr;
2247 drv->console = s;
2248
2249 if (display_state) {
2250 text_console_do_init(chr, display_state);
2251 }
2252
2253 /* console/chardev init sometimes completes elsewhere in a 2nd
2254 * stage, so defer OPENED events until they are fully initialized
2255 */
2256 *be_opened = false;
2257 }
2258
2259 void qemu_console_resize(QemuConsole *s, int width, int height)
2260 {
2261 DisplaySurface *surface;
2262
2263 assert(s->console_type == GRAPHIC_CONSOLE);
2264
2265 if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) &&
2266 pixman_image_get_width(s->surface->image) == width &&
2267 pixman_image_get_height(s->surface->image) == height) {
2268 return;
2269 }
2270
2271 surface = qemu_create_displaysurface(width, height);
2272 dpy_gfx_replace_surface(s, surface);
2273 }
2274
2275 DisplaySurface *qemu_console_surface(QemuConsole *console)
2276 {
2277 return console->surface;
2278 }
2279
2280 PixelFormat qemu_default_pixelformat(int bpp)
2281 {
2282 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2283 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2284 return pf;
2285 }
2286
2287 static QemuDisplay *dpys[DISPLAY_TYPE__MAX];
2288
2289 void qemu_display_register(QemuDisplay *ui)
2290 {
2291 assert(ui->type < DISPLAY_TYPE__MAX);
2292 dpys[ui->type] = ui;
2293 }
2294
2295 bool qemu_display_find_default(DisplayOptions *opts)
2296 {
2297 static DisplayType prio[] = {
2298 DISPLAY_TYPE_GTK,
2299 DISPLAY_TYPE_SDL,
2300 DISPLAY_TYPE_COCOA
2301 };
2302 int i;
2303
2304 for (i = 0; i < ARRAY_SIZE(prio); i++) {
2305 if (dpys[prio[i]] == NULL) {
2306 ui_module_load_one(DisplayType_str(prio[i]));
2307 }
2308 if (dpys[prio[i]] == NULL) {
2309 continue;
2310 }
2311 opts->type = prio[i];
2312 return true;
2313 }
2314 return false;
2315 }
2316
2317 void qemu_display_early_init(DisplayOptions *opts)
2318 {
2319 assert(opts->type < DISPLAY_TYPE__MAX);
2320 if (opts->type == DISPLAY_TYPE_NONE) {
2321 return;
2322 }
2323 if (dpys[opts->type] == NULL) {
2324 ui_module_load_one(DisplayType_str(opts->type));
2325 }
2326 if (dpys[opts->type] == NULL) {
2327 error_report("Display '%s' is not available.",
2328 DisplayType_str(opts->type));
2329 exit(1);
2330 }
2331 if (dpys[opts->type]->early_init) {
2332 dpys[opts->type]->early_init(opts);
2333 }
2334 }
2335
2336 void qemu_display_init(DisplayState *ds, DisplayOptions *opts)
2337 {
2338 assert(opts->type < DISPLAY_TYPE__MAX);
2339 if (opts->type == DISPLAY_TYPE_NONE) {
2340 return;
2341 }
2342 assert(dpys[opts->type] != NULL);
2343 dpys[opts->type]->init(ds, opts);
2344 }
2345
2346 void qemu_display_help(void)
2347 {
2348 int idx;
2349
2350 printf("Available display backend types:\n");
2351 printf("none\n");
2352 for (idx = DISPLAY_TYPE_NONE; idx < DISPLAY_TYPE__MAX; idx++) {
2353 if (!dpys[idx]) {
2354 ui_module_load_one(DisplayType_str(idx));
2355 }
2356 if (dpys[idx]) {
2357 printf("%s\n", DisplayType_str(dpys[idx]->type));
2358 }
2359 }
2360 }
2361
2362 void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp)
2363 {
2364 int val;
2365 ChardevVC *vc;
2366
2367 backend->type = CHARDEV_BACKEND_KIND_VC;
2368 vc = backend->u.vc.data = g_new0(ChardevVC, 1);
2369 qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
2370
2371 val = qemu_opt_get_number(opts, "width", 0);
2372 if (val != 0) {
2373 vc->has_width = true;
2374 vc->width = val;
2375 }
2376
2377 val = qemu_opt_get_number(opts, "height", 0);
2378 if (val != 0) {
2379 vc->has_height = true;
2380 vc->height = val;
2381 }
2382
2383 val = qemu_opt_get_number(opts, "cols", 0);
2384 if (val != 0) {
2385 vc->has_cols = true;
2386 vc->cols = val;
2387 }
2388
2389 val = qemu_opt_get_number(opts, "rows", 0);
2390 if (val != 0) {
2391 vc->has_rows = true;
2392 vc->rows = val;
2393 }
2394 }
2395
2396 static const TypeInfo qemu_console_info = {
2397 .name = TYPE_QEMU_CONSOLE,
2398 .parent = TYPE_OBJECT,
2399 .instance_size = sizeof(QemuConsole),
2400 .class_size = sizeof(QemuConsoleClass),
2401 };
2402
2403 static void char_vc_class_init(ObjectClass *oc, void *data)
2404 {
2405 ChardevClass *cc = CHARDEV_CLASS(oc);
2406
2407 cc->parse = qemu_chr_parse_vc;
2408 cc->open = vc_chr_open;
2409 cc->chr_write = vc_chr_write;
2410 cc->chr_set_echo = vc_chr_set_echo;
2411 }
2412
2413 static const TypeInfo char_vc_type_info = {
2414 .name = TYPE_CHARDEV_VC,
2415 .parent = TYPE_CHARDEV,
2416 .instance_size = sizeof(VCChardev),
2417 .class_init = char_vc_class_init,
2418 };
2419
2420 void qemu_console_early_init(void)
2421 {
2422 /* set the default vc driver */
2423 if (!object_class_by_name(TYPE_CHARDEV_VC)) {
2424 type_register(&char_vc_type_info);
2425 }
2426 }
2427
2428 static void register_types(void)
2429 {
2430 type_register_static(&qemu_console_info);
2431 }
2432
2433 type_init(register_types);
AR7 emulation for QEMU