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linux-user: Use g_new() & friends where that makes obvious sense
[qemu.git] / ui / console.c
blob75fc492f7341fcdea4d7f2e2579758972b13b62a
1 /*
2 * QEMU graphical console
3 *
4 * Copyright (c) 2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu-common.h"
25 #include "ui/console.h"
26 #include "hw/qdev-core.h"
27 #include "qemu/timer.h"
28 #include "qmp-commands.h"
29 #include "sysemu/char.h"
30 #include "trace.h"
31 #include "exec/memory.h"
32
33 #define DEFAULT_BACKSCROLL 512
34 #define CONSOLE_CURSOR_PERIOD 500
35
36 typedef struct TextAttributes {
37 uint8_t fgcol:4;
38 uint8_t bgcol:4;
39 uint8_t bold:1;
40 uint8_t uline:1;
41 uint8_t blink:1;
42 uint8_t invers:1;
43 uint8_t unvisible:1;
44 } TextAttributes;
45
46 typedef struct TextCell {
47 uint8_t ch;
48 TextAttributes t_attrib;
49 } TextCell;
50
51 #define MAX_ESC_PARAMS 3
52
53 enum TTYState {
54 TTY_STATE_NORM,
55 TTY_STATE_ESC,
56 TTY_STATE_CSI,
57 };
58
59 typedef struct QEMUFIFO {
60 uint8_t *buf;
61 int buf_size;
62 int count, wptr, rptr;
63 } QEMUFIFO;
64
65 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
66 {
67 int l, len;
68
69 l = f->buf_size - f->count;
70 if (len1 > l)
71 len1 = l;
72 len = len1;
73 while (len > 0) {
74 l = f->buf_size - f->wptr;
75 if (l > len)
76 l = len;
77 memcpy(f->buf + f->wptr, buf, l);
78 f->wptr += l;
79 if (f->wptr >= f->buf_size)
80 f->wptr = 0;
81 buf += l;
82 len -= l;
83 }
84 f->count += len1;
85 return len1;
86 }
87
88 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
89 {
90 int l, len;
91
92 if (len1 > f->count)
93 len1 = f->count;
94 len = len1;
95 while (len > 0) {
96 l = f->buf_size - f->rptr;
97 if (l > len)
98 l = len;
99 memcpy(buf, f->buf + f->rptr, l);
100 f->rptr += l;
101 if (f->rptr >= f->buf_size)
102 f->rptr = 0;
103 buf += l;
104 len -= l;
105 }
106 f->count -= len1;
107 return len1;
108 }
109
110 typedef enum {
111 GRAPHIC_CONSOLE,
112 TEXT_CONSOLE,
113 TEXT_CONSOLE_FIXED_SIZE
114 } console_type_t;
115
116 struct QemuConsole {
117 Object parent;
118
119 int index;
120 console_type_t console_type;
121 DisplayState *ds;
122 DisplaySurface *surface;
123 int dcls;
124
125 /* Graphic console state. */
126 Object *device;
127 uint32_t head;
128 QemuUIInfo ui_info;
129 QEMUTimer *ui_timer;
130 const GraphicHwOps *hw_ops;
131 void *hw;
132
133 /* Text console state */
134 int width;
135 int height;
136 int total_height;
137 int backscroll_height;
138 int x, y;
139 int x_saved, y_saved;
140 int y_displayed;
141 int y_base;
142 TextAttributes t_attrib_default; /* default text attributes */
143 TextAttributes t_attrib; /* currently active text attributes */
144 TextCell *cells;
145 int text_x[2], text_y[2], cursor_invalidate;
146 int echo;
147
148 int update_x0;
149 int update_y0;
150 int update_x1;
151 int update_y1;
152
153 enum TTYState state;
154 int esc_params[MAX_ESC_PARAMS];
155 int nb_esc_params;
156
157 CharDriverState *chr;
158 /* fifo for key pressed */
159 QEMUFIFO out_fifo;
160 uint8_t out_fifo_buf[16];
161 QEMUTimer *kbd_timer;
162 };
163
164 struct DisplayState {
165 QEMUTimer *gui_timer;
166 uint64_t last_update;
167 uint64_t update_interval;
168 bool refreshing;
169 bool have_gfx;
170 bool have_text;
171
172 QLIST_HEAD(, DisplayChangeListener) listeners;
173 };
174
175 static DisplayState *display_state;
176 static QemuConsole *active_console;
177 static QemuConsole **consoles;
178 static int nb_consoles = 0;
179 static bool cursor_visible_phase;
180 static QEMUTimer *cursor_timer;
181
182 static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
183 static void dpy_refresh(DisplayState *s);
184 static DisplayState *get_alloc_displaystate(void);
185 static void text_console_update_cursor_timer(void);
186 static void text_console_update_cursor(void *opaque);
187
188 static void gui_update(void *opaque)
189 {
190 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
191 uint64_t dcl_interval;
192 DisplayState *ds = opaque;
193 DisplayChangeListener *dcl;
194 int i;
195
196 ds->refreshing = true;
197 dpy_refresh(ds);
198 ds->refreshing = false;
199
200 QLIST_FOREACH(dcl, &ds->listeners, next) {
201 dcl_interval = dcl->update_interval ?
202 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
203 if (interval > dcl_interval) {
204 interval = dcl_interval;
205 }
206 }
207 if (ds->update_interval != interval) {
208 ds->update_interval = interval;
209 for (i = 0; i < nb_consoles; i++) {
210 if (consoles[i]->hw_ops->update_interval) {
211 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
212 }
213 }
214 trace_console_refresh(interval);
215 }
216 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
217 timer_mod(ds->gui_timer, ds->last_update + interval);
218 }
219
220 static void gui_setup_refresh(DisplayState *ds)
221 {
222 DisplayChangeListener *dcl;
223 bool need_timer = false;
224 bool have_gfx = false;
225 bool have_text = false;
226
227 QLIST_FOREACH(dcl, &ds->listeners, next) {
228 if (dcl->ops->dpy_refresh != NULL) {
229 need_timer = true;
230 }
231 if (dcl->ops->dpy_gfx_update != NULL) {
232 have_gfx = true;
233 }
234 if (dcl->ops->dpy_text_update != NULL) {
235 have_text = true;
236 }
237 }
238
239 if (need_timer && ds->gui_timer == NULL) {
240 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
241 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
242 }
243 if (!need_timer && ds->gui_timer != NULL) {
244 timer_del(ds->gui_timer);
245 timer_free(ds->gui_timer);
246 ds->gui_timer = NULL;
247 }
248
249 ds->have_gfx = have_gfx;
250 ds->have_text = have_text;
251 }
252
253 void graphic_hw_update(QemuConsole *con)
254 {
255 if (!con) {
256 con = active_console;
257 }
258 if (con && con->hw_ops->gfx_update) {
259 con->hw_ops->gfx_update(con->hw);
260 }
261 }
262
263 void graphic_hw_invalidate(QemuConsole *con)
264 {
265 if (!con) {
266 con = active_console;
267 }
268 if (con && con->hw_ops->invalidate) {
269 con->hw_ops->invalidate(con->hw);
270 }
271 }
272
273 static void ppm_save(const char *filename, DisplaySurface *ds,
274 Error **errp)
275 {
276 int width = pixman_image_get_width(ds->image);
277 int height = pixman_image_get_height(ds->image);
278 int fd;
279 FILE *f;
280 int y;
281 int ret;
282 pixman_image_t *linebuf;
283
284 trace_ppm_save(filename, ds);
285 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
286 if (fd == -1) {
287 error_setg(errp, "failed to open file '%s': %s", filename,
288 strerror(errno));
289 return;
290 }
291 f = fdopen(fd, "wb");
292 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
293 if (ret < 0) {
294 linebuf = NULL;
295 goto write_err;
296 }
297 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
298 for (y = 0; y < height; y++) {
299 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
300 clearerr(f);
301 ret = fwrite(pixman_image_get_data(linebuf), 1,
302 pixman_image_get_stride(linebuf), f);
303 (void)ret;
304 if (ferror(f)) {
305 goto write_err;
306 }
307 }
308
309 out:
310 qemu_pixman_image_unref(linebuf);
311 fclose(f);
312 return;
313
314 write_err:
315 error_setg(errp, "failed to write to file '%s': %s", filename,
316 strerror(errno));
317 unlink(filename);
318 goto out;
319 }
320
321 void qmp_screendump(const char *filename, Error **errp)
322 {
323 QemuConsole *con = qemu_console_lookup_by_index(0);
324 DisplaySurface *surface;
325
326 if (con == NULL) {
327 error_setg(errp, "There is no QemuConsole I can screendump from.");
328 return;
329 }
330
331 graphic_hw_update(con);
332 surface = qemu_console_surface(con);
333 ppm_save(filename, surface, errp);
334 }
335
336 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
337 {
338 if (!con) {
339 con = active_console;
340 }
341 if (con && con->hw_ops->text_update) {
342 con->hw_ops->text_update(con->hw, chardata);
343 }
344 }
345
346 static void vga_fill_rect(QemuConsole *con,
347 int posx, int posy, int width, int height,
348 pixman_color_t color)
349 {
350 DisplaySurface *surface = qemu_console_surface(con);
351 pixman_rectangle16_t rect = {
352 .x = posx, .y = posy, .width = width, .height = height
353 };
354
355 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
356 &color, 1, &rect);
357 }
358
359 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
360 static void vga_bitblt(QemuConsole *con,
361 int xs, int ys, int xd, int yd, int w, int h)
362 {
363 DisplaySurface *surface = qemu_console_surface(con);
364
365 pixman_image_composite(PIXMAN_OP_SRC,
366 surface->image, NULL, surface->image,
367 xs, ys, 0, 0, xd, yd, w, h);
368 }
369
370 /***********************************************************/
371 /* basic char display */
372
373 #define FONT_HEIGHT 16
374 #define FONT_WIDTH 8
375
376 #include "vgafont.h"
377
378 #ifndef CONFIG_CURSES
379 enum color_names {
380 COLOR_BLACK = 0,
381 COLOR_RED = 1,
382 COLOR_GREEN = 2,
383 COLOR_YELLOW = 3,
384 COLOR_BLUE = 4,
385 COLOR_MAGENTA = 5,
386 COLOR_CYAN = 6,
387 COLOR_WHITE = 7
388 };
389 #endif
390
391 #define QEMU_RGB(r, g, b) \
392 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
393
394 static const pixman_color_t color_table_rgb[2][8] = {
395 { /* dark */
396 QEMU_RGB(0x00, 0x00, 0x00), /* black */
397 QEMU_RGB(0xaa, 0x00, 0x00), /* red */
398 QEMU_RGB(0x00, 0xaa, 0x00), /* green */
399 QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
400 QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
401 QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
402 QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
403 QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
404 },
405 { /* bright */
406 QEMU_RGB(0x00, 0x00, 0x00), /* black */
407 QEMU_RGB(0xff, 0x00, 0x00), /* red */
408 QEMU_RGB(0x00, 0xff, 0x00), /* green */
409 QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
410 QEMU_RGB(0x00, 0x00, 0xff), /* blue */
411 QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
412 QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
413 QEMU_RGB(0xff, 0xff, 0xff), /* white */
414 }
415 };
416
417 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
418 TextAttributes *t_attrib)
419 {
420 static pixman_image_t *glyphs[256];
421 DisplaySurface *surface = qemu_console_surface(s);
422 pixman_color_t fgcol, bgcol;
423
424 if (t_attrib->invers) {
425 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
426 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
427 } else {
428 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
429 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
430 }
431
432 if (!glyphs[ch]) {
433 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
434 }
435 qemu_pixman_glyph_render(glyphs[ch], surface->image,
436 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
437 }
438
439 static void text_console_resize(QemuConsole *s)
440 {
441 TextCell *cells, *c, *c1;
442 int w1, x, y, last_width;
443
444 last_width = s->width;
445 s->width = surface_width(s->surface) / FONT_WIDTH;
446 s->height = surface_height(s->surface) / FONT_HEIGHT;
447
448 w1 = last_width;
449 if (s->width < w1)
450 w1 = s->width;
451
452 cells = g_malloc(s->width * s->total_height * sizeof(TextCell));
453 for(y = 0; y < s->total_height; y++) {
454 c = &cells[y * s->width];
455 if (w1 > 0) {
456 c1 = &s->cells[y * last_width];
457 for(x = 0; x < w1; x++) {
458 *c++ = *c1++;
459 }
460 }
461 for(x = w1; x < s->width; x++) {
462 c->ch = ' ';
463 c->t_attrib = s->t_attrib_default;
464 c++;
465 }
466 }
467 g_free(s->cells);
468 s->cells = cells;
469 }
470
471 static inline void text_update_xy(QemuConsole *s, int x, int y)
472 {
473 s->text_x[0] = MIN(s->text_x[0], x);
474 s->text_x[1] = MAX(s->text_x[1], x);
475 s->text_y[0] = MIN(s->text_y[0], y);
476 s->text_y[1] = MAX(s->text_y[1], y);
477 }
478
479 static void invalidate_xy(QemuConsole *s, int x, int y)
480 {
481 if (!qemu_console_is_visible(s)) {
482 return;
483 }
484 if (s->update_x0 > x * FONT_WIDTH)
485 s->update_x0 = x * FONT_WIDTH;
486 if (s->update_y0 > y * FONT_HEIGHT)
487 s->update_y0 = y * FONT_HEIGHT;
488 if (s->update_x1 < (x + 1) * FONT_WIDTH)
489 s->update_x1 = (x + 1) * FONT_WIDTH;
490 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
491 s->update_y1 = (y + 1) * FONT_HEIGHT;
492 }
493
494 static void update_xy(QemuConsole *s, int x, int y)
495 {
496 TextCell *c;
497 int y1, y2;
498
499 if (s->ds->have_text) {
500 text_update_xy(s, x, y);
501 }
502
503 y1 = (s->y_base + y) % s->total_height;
504 y2 = y1 - s->y_displayed;
505 if (y2 < 0) {
506 y2 += s->total_height;
507 }
508 if (y2 < s->height) {
509 c = &s->cells[y1 * s->width + x];
510 vga_putcharxy(s, x, y2, c->ch,
511 &(c->t_attrib));
512 invalidate_xy(s, x, y2);
513 }
514 }
515
516 static void console_show_cursor(QemuConsole *s, int show)
517 {
518 TextCell *c;
519 int y, y1;
520 int x = s->x;
521
522 if (s->ds->have_text) {
523 s->cursor_invalidate = 1;
524 }
525
526 if (x >= s->width) {
527 x = s->width - 1;
528 }
529 y1 = (s->y_base + s->y) % s->total_height;
530 y = y1 - s->y_displayed;
531 if (y < 0) {
532 y += s->total_height;
533 }
534 if (y < s->height) {
535 c = &s->cells[y1 * s->width + x];
536 if (show && cursor_visible_phase) {
537 TextAttributes t_attrib = s->t_attrib_default;
538 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
539 vga_putcharxy(s, x, y, c->ch, &t_attrib);
540 } else {
541 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
542 }
543 invalidate_xy(s, x, y);
544 }
545 }
546
547 static void console_refresh(QemuConsole *s)
548 {
549 DisplaySurface *surface = qemu_console_surface(s);
550 TextCell *c;
551 int x, y, y1;
552
553 if (s->ds->have_text) {
554 s->text_x[0] = 0;
555 s->text_y[0] = 0;
556 s->text_x[1] = s->width - 1;
557 s->text_y[1] = s->height - 1;
558 s->cursor_invalidate = 1;
559 }
560
561 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
562 color_table_rgb[0][COLOR_BLACK]);
563 y1 = s->y_displayed;
564 for (y = 0; y < s->height; y++) {
565 c = s->cells + y1 * s->width;
566 for (x = 0; x < s->width; x++) {
567 vga_putcharxy(s, x, y, c->ch,
568 &(c->t_attrib));
569 c++;
570 }
571 if (++y1 == s->total_height) {
572 y1 = 0;
573 }
574 }
575 console_show_cursor(s, 1);
576 dpy_gfx_update(s, 0, 0,
577 surface_width(surface), surface_height(surface));
578 }
579
580 static void console_scroll(QemuConsole *s, int ydelta)
581 {
582 int i, y1;
583
584 if (ydelta > 0) {
585 for(i = 0; i < ydelta; i++) {
586 if (s->y_displayed == s->y_base)
587 break;
588 if (++s->y_displayed == s->total_height)
589 s->y_displayed = 0;
590 }
591 } else {
592 ydelta = -ydelta;
593 i = s->backscroll_height;
594 if (i > s->total_height - s->height)
595 i = s->total_height - s->height;
596 y1 = s->y_base - i;
597 if (y1 < 0)
598 y1 += s->total_height;
599 for(i = 0; i < ydelta; i++) {
600 if (s->y_displayed == y1)
601 break;
602 if (--s->y_displayed < 0)
603 s->y_displayed = s->total_height - 1;
604 }
605 }
606 console_refresh(s);
607 }
608
609 static void console_put_lf(QemuConsole *s)
610 {
611 TextCell *c;
612 int x, y1;
613
614 s->y++;
615 if (s->y >= s->height) {
616 s->y = s->height - 1;
617
618 if (s->y_displayed == s->y_base) {
619 if (++s->y_displayed == s->total_height)
620 s->y_displayed = 0;
621 }
622 if (++s->y_base == s->total_height)
623 s->y_base = 0;
624 if (s->backscroll_height < s->total_height)
625 s->backscroll_height++;
626 y1 = (s->y_base + s->height - 1) % s->total_height;
627 c = &s->cells[y1 * s->width];
628 for(x = 0; x < s->width; x++) {
629 c->ch = ' ';
630 c->t_attrib = s->t_attrib_default;
631 c++;
632 }
633 if (s->y_displayed == s->y_base) {
634 if (s->ds->have_text) {
635 s->text_x[0] = 0;
636 s->text_y[0] = 0;
637 s->text_x[1] = s->width - 1;
638 s->text_y[1] = s->height - 1;
639 }
640
641 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
642 s->width * FONT_WIDTH,
643 (s->height - 1) * FONT_HEIGHT);
644 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
645 s->width * FONT_WIDTH, FONT_HEIGHT,
646 color_table_rgb[0][s->t_attrib_default.bgcol]);
647 s->update_x0 = 0;
648 s->update_y0 = 0;
649 s->update_x1 = s->width * FONT_WIDTH;
650 s->update_y1 = s->height * FONT_HEIGHT;
651 }
652 }
653 }
654
655 /* Set console attributes depending on the current escape codes.
656 * NOTE: I know this code is not very efficient (checking every color for it
657 * self) but it is more readable and better maintainable.
658 */
659 static void console_handle_escape(QemuConsole *s)
660 {
661 int i;
662
663 for (i=0; i<s->nb_esc_params; i++) {
664 switch (s->esc_params[i]) {
665 case 0: /* reset all console attributes to default */
666 s->t_attrib = s->t_attrib_default;
667 break;
668 case 1:
669 s->t_attrib.bold = 1;
670 break;
671 case 4:
672 s->t_attrib.uline = 1;
673 break;
674 case 5:
675 s->t_attrib.blink = 1;
676 break;
677 case 7:
678 s->t_attrib.invers = 1;
679 break;
680 case 8:
681 s->t_attrib.unvisible = 1;
682 break;
683 case 22:
684 s->t_attrib.bold = 0;
685 break;
686 case 24:
687 s->t_attrib.uline = 0;
688 break;
689 case 25:
690 s->t_attrib.blink = 0;
691 break;
692 case 27:
693 s->t_attrib.invers = 0;
694 break;
695 case 28:
696 s->t_attrib.unvisible = 0;
697 break;
698 /* set foreground color */
699 case 30:
700 s->t_attrib.fgcol=COLOR_BLACK;
701 break;
702 case 31:
703 s->t_attrib.fgcol=COLOR_RED;
704 break;
705 case 32:
706 s->t_attrib.fgcol=COLOR_GREEN;
707 break;
708 case 33:
709 s->t_attrib.fgcol=COLOR_YELLOW;
710 break;
711 case 34:
712 s->t_attrib.fgcol=COLOR_BLUE;
713 break;
714 case 35:
715 s->t_attrib.fgcol=COLOR_MAGENTA;
716 break;
717 case 36:
718 s->t_attrib.fgcol=COLOR_CYAN;
719 break;
720 case 37:
721 s->t_attrib.fgcol=COLOR_WHITE;
722 break;
723 /* set background color */
724 case 40:
725 s->t_attrib.bgcol=COLOR_BLACK;
726 break;
727 case 41:
728 s->t_attrib.bgcol=COLOR_RED;
729 break;
730 case 42:
731 s->t_attrib.bgcol=COLOR_GREEN;
732 break;
733 case 43:
734 s->t_attrib.bgcol=COLOR_YELLOW;
735 break;
736 case 44:
737 s->t_attrib.bgcol=COLOR_BLUE;
738 break;
739 case 45:
740 s->t_attrib.bgcol=COLOR_MAGENTA;
741 break;
742 case 46:
743 s->t_attrib.bgcol=COLOR_CYAN;
744 break;
745 case 47:
746 s->t_attrib.bgcol=COLOR_WHITE;
747 break;
748 }
749 }
750 }
751
752 static void console_clear_xy(QemuConsole *s, int x, int y)
753 {
754 int y1 = (s->y_base + y) % s->total_height;
755 TextCell *c = &s->cells[y1 * s->width + x];
756 c->ch = ' ';
757 c->t_attrib = s->t_attrib_default;
758 update_xy(s, x, y);
759 }
760
761 /* set cursor, checking bounds */
762 static void set_cursor(QemuConsole *s, int x, int y)
763 {
764 if (x < 0) {
765 x = 0;
766 }
767 if (y < 0) {
768 y = 0;
769 }
770 if (y >= s->height) {
771 y = s->height - 1;
772 }
773 if (x >= s->width) {
774 x = s->width - 1;
775 }
776
777 s->x = x;
778 s->y = y;
779 }
780
781 static void console_putchar(QemuConsole *s, int ch)
782 {
783 TextCell *c;
784 int y1, i;
785 int x, y;
786
787 switch(s->state) {
788 case TTY_STATE_NORM:
789 switch(ch) {
790 case '\r': /* carriage return */
791 s->x = 0;
792 break;
793 case '\n': /* newline */
794 console_put_lf(s);
795 break;
796 case '\b': /* backspace */
797 if (s->x > 0)
798 s->x--;
799 break;
800 case '\t': /* tabspace */
801 if (s->x + (8 - (s->x % 8)) > s->width) {
802 s->x = 0;
803 console_put_lf(s);
804 } else {
805 s->x = s->x + (8 - (s->x % 8));
806 }
807 break;
808 case '\a': /* alert aka. bell */
809 /* TODO: has to be implemented */
810 break;
811 case 14:
812 /* SI (shift in), character set 0 (ignored) */
813 break;
814 case 15:
815 /* SO (shift out), character set 1 (ignored) */
816 break;
817 case 27: /* esc (introducing an escape sequence) */
818 s->state = TTY_STATE_ESC;
819 break;
820 default:
821 if (s->x >= s->width) {
822 /* line wrap */
823 s->x = 0;
824 console_put_lf(s);
825 }
826 y1 = (s->y_base + s->y) % s->total_height;
827 c = &s->cells[y1 * s->width + s->x];
828 c->ch = ch;
829 c->t_attrib = s->t_attrib;
830 update_xy(s, s->x, s->y);
831 s->x++;
832 break;
833 }
834 break;
835 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
836 if (ch == '[') {
837 for(i=0;i<MAX_ESC_PARAMS;i++)
838 s->esc_params[i] = 0;
839 s->nb_esc_params = 0;
840 s->state = TTY_STATE_CSI;
841 } else {
842 s->state = TTY_STATE_NORM;
843 }
844 break;
845 case TTY_STATE_CSI: /* handle escape sequence parameters */
846 if (ch >= '0' && ch <= '9') {
847 if (s->nb_esc_params < MAX_ESC_PARAMS) {
848 int *param = &s->esc_params[s->nb_esc_params];
849 int digit = (ch - '0');
850
851 *param = (*param <= (INT_MAX - digit) / 10) ?
852 *param * 10 + digit : INT_MAX;
853 }
854 } else {
855 if (s->nb_esc_params < MAX_ESC_PARAMS)
856 s->nb_esc_params++;
857 if (ch == ';')
858 break;
859 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
860 ch, s->nb_esc_params);
861 s->state = TTY_STATE_NORM;
862 switch(ch) {
863 case 'A':
864 /* move cursor up */
865 if (s->esc_params[0] == 0) {
866 s->esc_params[0] = 1;
867 }
868 set_cursor(s, s->x, s->y - s->esc_params[0]);
869 break;
870 case 'B':
871 /* move cursor down */
872 if (s->esc_params[0] == 0) {
873 s->esc_params[0] = 1;
874 }
875 set_cursor(s, s->x, s->y + s->esc_params[0]);
876 break;
877 case 'C':
878 /* move cursor right */
879 if (s->esc_params[0] == 0) {
880 s->esc_params[0] = 1;
881 }
882 set_cursor(s, s->x + s->esc_params[0], s->y);
883 break;
884 case 'D':
885 /* move cursor left */
886 if (s->esc_params[0] == 0) {
887 s->esc_params[0] = 1;
888 }
889 set_cursor(s, s->x - s->esc_params[0], s->y);
890 break;
891 case 'G':
892 /* move cursor to column */
893 set_cursor(s, s->esc_params[0] - 1, s->y);
894 break;
895 case 'f':
896 case 'H':
897 /* move cursor to row, column */
898 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
899 break;
900 case 'J':
901 switch (s->esc_params[0]) {
902 case 0:
903 /* clear to end of screen */
904 for (y = s->y; y < s->height; y++) {
905 for (x = 0; x < s->width; x++) {
906 if (y == s->y && x < s->x) {
907 continue;
908 }
909 console_clear_xy(s, x, y);
910 }
911 }
912 break;
913 case 1:
914 /* clear from beginning of screen */
915 for (y = 0; y <= s->y; y++) {
916 for (x = 0; x < s->width; x++) {
917 if (y == s->y && x > s->x) {
918 break;
919 }
920 console_clear_xy(s, x, y);
921 }
922 }
923 break;
924 case 2:
925 /* clear entire screen */
926 for (y = 0; y <= s->height; y++) {
927 for (x = 0; x < s->width; x++) {
928 console_clear_xy(s, x, y);
929 }
930 }
931 break;
932 }
933 break;
934 case 'K':
935 switch (s->esc_params[0]) {
936 case 0:
937 /* clear to eol */
938 for(x = s->x; x < s->width; x++) {
939 console_clear_xy(s, x, s->y);
940 }
941 break;
942 case 1:
943 /* clear from beginning of line */
944 for (x = 0; x <= s->x; x++) {
945 console_clear_xy(s, x, s->y);
946 }
947 break;
948 case 2:
949 /* clear entire line */
950 for(x = 0; x < s->width; x++) {
951 console_clear_xy(s, x, s->y);
952 }
953 break;
954 }
955 break;
956 case 'm':
957 console_handle_escape(s);
958 break;
959 case 'n':
960 /* report cursor position */
961 /* TODO: send ESC[row;colR */
962 break;
963 case 's':
964 /* save cursor position */
965 s->x_saved = s->x;
966 s->y_saved = s->y;
967 break;
968 case 'u':
969 /* restore cursor position */
970 s->x = s->x_saved;
971 s->y = s->y_saved;
972 break;
973 default:
974 trace_console_putchar_unhandled(ch);
975 break;
976 }
977 break;
978 }
979 }
980 }
981
982 void console_select(unsigned int index)
983 {
984 DisplayChangeListener *dcl;
985 QemuConsole *s;
986
987 trace_console_select(index);
988 s = qemu_console_lookup_by_index(index);
989 if (s) {
990 DisplayState *ds = s->ds;
991
992 active_console = s;
993 if (ds->have_gfx) {
994 QLIST_FOREACH(dcl, &ds->listeners, next) {
995 if (dcl->con != NULL) {
996 continue;
997 }
998 if (dcl->ops->dpy_gfx_switch) {
999 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1000 }
1001 }
1002 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1003 surface_height(s->surface));
1004 }
1005 if (ds->have_text) {
1006 dpy_text_resize(s, s->width, s->height);
1007 }
1008 text_console_update_cursor(NULL);
1009 }
1010 }
1011
1012 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1013 {
1014 QemuConsole *s = chr->opaque;
1015 int i;
1016
1017 s->update_x0 = s->width * FONT_WIDTH;
1018 s->update_y0 = s->height * FONT_HEIGHT;
1019 s->update_x1 = 0;
1020 s->update_y1 = 0;
1021 console_show_cursor(s, 0);
1022 for(i = 0; i < len; i++) {
1023 console_putchar(s, buf[i]);
1024 }
1025 console_show_cursor(s, 1);
1026 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1027 dpy_gfx_update(s, s->update_x0, s->update_y0,
1028 s->update_x1 - s->update_x0,
1029 s->update_y1 - s->update_y0);
1030 }
1031 return len;
1032 }
1033
1034 static void kbd_send_chars(void *opaque)
1035 {
1036 QemuConsole *s = opaque;
1037 int len;
1038 uint8_t buf[16];
1039
1040 len = qemu_chr_be_can_write(s->chr);
1041 if (len > s->out_fifo.count)
1042 len = s->out_fifo.count;
1043 if (len > 0) {
1044 if (len > sizeof(buf))
1045 len = sizeof(buf);
1046 qemu_fifo_read(&s->out_fifo, buf, len);
1047 qemu_chr_be_write(s->chr, buf, len);
1048 }
1049 /* characters are pending: we send them a bit later (XXX:
1050 horrible, should change char device API) */
1051 if (s->out_fifo.count > 0) {
1052 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1053 }
1054 }
1055
1056 /* called when an ascii key is pressed */
1057 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1058 {
1059 uint8_t buf[16], *q;
1060 int c;
1061
1062 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1063 return;
1064
1065 switch(keysym) {
1066 case QEMU_KEY_CTRL_UP:
1067 console_scroll(s, -1);
1068 break;
1069 case QEMU_KEY_CTRL_DOWN:
1070 console_scroll(s, 1);
1071 break;
1072 case QEMU_KEY_CTRL_PAGEUP:
1073 console_scroll(s, -10);
1074 break;
1075 case QEMU_KEY_CTRL_PAGEDOWN:
1076 console_scroll(s, 10);
1077 break;
1078 default:
1079 /* convert the QEMU keysym to VT100 key string */
1080 q = buf;
1081 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1082 *q++ = '\033';
1083 *q++ = '[';
1084 c = keysym - 0xe100;
1085 if (c >= 10)
1086 *q++ = '0' + (c / 10);
1087 *q++ = '0' + (c % 10);
1088 *q++ = '~';
1089 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1090 *q++ = '\033';
1091 *q++ = '[';
1092 *q++ = keysym & 0xff;
1093 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1094 console_puts(s->chr, (const uint8_t *) "\r", 1);
1095 *q++ = '\n';
1096 } else {
1097 *q++ = keysym;
1098 }
1099 if (s->echo) {
1100 console_puts(s->chr, buf, q - buf);
1101 }
1102 if (s->chr->chr_read) {
1103 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1104 kbd_send_chars(s);
1105 }
1106 break;
1107 }
1108 }
1109
1110 static const int qcode_to_keysym[Q_KEY_CODE_MAX] = {
1111 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1112 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1113 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1114 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1115 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1116 [Q_KEY_CODE_END] = QEMU_KEY_END,
1117 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1118 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1119 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1120 };
1121
1122 bool kbd_put_qcode_console(QemuConsole *s, int qcode)
1123 {
1124 int keysym;
1125
1126 keysym = qcode_to_keysym[qcode];
1127 if (keysym == 0) {
1128 return false;
1129 }
1130 kbd_put_keysym_console(s, keysym);
1131 return true;
1132 }
1133
1134 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1135 {
1136 int i;
1137
1138 for (i = 0; i < len && str[i]; i++) {
1139 kbd_put_keysym_console(s, str[i]);
1140 }
1141 }
1142
1143 void kbd_put_keysym(int keysym)
1144 {
1145 kbd_put_keysym_console(active_console, keysym);
1146 }
1147
1148 static void text_console_invalidate(void *opaque)
1149 {
1150 QemuConsole *s = (QemuConsole *) opaque;
1151
1152 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1153 text_console_resize(s);
1154 }
1155 console_refresh(s);
1156 }
1157
1158 static void text_console_update(void *opaque, console_ch_t *chardata)
1159 {
1160 QemuConsole *s = (QemuConsole *) opaque;
1161 int i, j, src;
1162
1163 if (s->text_x[0] <= s->text_x[1]) {
1164 src = (s->y_base + s->text_y[0]) * s->width;
1165 chardata += s->text_y[0] * s->width;
1166 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1167 for (j = 0; j < s->width; j ++, src ++)
1168 console_write_ch(chardata ++, s->cells[src].ch |
1169 (s->cells[src].t_attrib.fgcol << 12) |
1170 (s->cells[src].t_attrib.bgcol << 8) |
1171 (s->cells[src].t_attrib.bold << 21));
1172 dpy_text_update(s, s->text_x[0], s->text_y[0],
1173 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1174 s->text_x[0] = s->width;
1175 s->text_y[0] = s->height;
1176 s->text_x[1] = 0;
1177 s->text_y[1] = 0;
1178 }
1179 if (s->cursor_invalidate) {
1180 dpy_text_cursor(s, s->x, s->y);
1181 s->cursor_invalidate = 0;
1182 }
1183 }
1184
1185 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1186 uint32_t head)
1187 {
1188 Object *obj;
1189 QemuConsole *s;
1190 int i;
1191
1192 obj = object_new(TYPE_QEMU_CONSOLE);
1193 s = QEMU_CONSOLE(obj);
1194 s->head = head;
1195 object_property_add_link(obj, "device", TYPE_DEVICE,
1196 (Object **)&s->device,
1197 object_property_allow_set_link,
1198 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1199 &error_abort);
1200 object_property_add_uint32_ptr(obj, "head",
1201 &s->head, &error_abort);
1202
1203 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1204 (console_type == GRAPHIC_CONSOLE))) {
1205 active_console = s;
1206 }
1207 s->ds = ds;
1208 s->console_type = console_type;
1209
1210 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
1211 if (console_type != GRAPHIC_CONSOLE) {
1212 s->index = nb_consoles;
1213 consoles[nb_consoles++] = s;
1214 } else {
1215 /* HACK: Put graphical consoles before text consoles. */
1216 for (i = nb_consoles; i > 0; i--) {
1217 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1218 break;
1219 consoles[i] = consoles[i - 1];
1220 consoles[i]->index = i;
1221 }
1222 s->index = i;
1223 consoles[i] = s;
1224 nb_consoles++;
1225 }
1226 return s;
1227 }
1228
1229 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1230 {
1231 qemu_pixman_image_unref(surface->image);
1232 surface->image = NULL;
1233
1234 surface->format = PIXMAN_x8r8g8b8;
1235 surface->image = pixman_image_create_bits(surface->format,
1236 width, height,
1237 NULL, width * 4);
1238 assert(surface->image != NULL);
1239
1240 surface->flags = QEMU_ALLOCATED_FLAG;
1241 }
1242
1243 DisplaySurface *qemu_create_displaysurface(int width, int height)
1244 {
1245 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1246
1247 trace_displaysurface_create(surface, width, height);
1248 qemu_alloc_display(surface, width, height);
1249 return surface;
1250 }
1251
1252 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1253 pixman_format_code_t format,
1254 int linesize, uint8_t *data)
1255 {
1256 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1257
1258 trace_displaysurface_create_from(surface, width, height, format);
1259 surface->format = format;
1260 surface->image = pixman_image_create_bits(surface->format,
1261 width, height,
1262 (void *)data, linesize);
1263 assert(surface->image != NULL);
1264
1265 return surface;
1266 }
1267
1268 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image,
1269 void *unused)
1270 {
1271 void *data = pixman_image_get_data(image);
1272 uint32_t size = pixman_image_get_stride(image) *
1273 pixman_image_get_height(image);
1274 cpu_physical_memory_unmap(data, size, 0, 0);
1275 }
1276
1277 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
1278 pixman_format_code_t format,
1279 int linesize, uint64_t addr)
1280 {
1281 DisplaySurface *surface;
1282 hwaddr size;
1283 void *data;
1284
1285 if (linesize == 0) {
1286 linesize = width * PIXMAN_FORMAT_BPP(format) / 8;
1287 }
1288
1289 size = (hwaddr)linesize * height;
1290 data = cpu_physical_memory_map(addr, &size, 0);
1291 if (size != (hwaddr)linesize * height) {
1292 cpu_physical_memory_unmap(data, size, 0, 0);
1293 return NULL;
1294 }
1295
1296 surface = qemu_create_displaysurface_from
1297 (width, height, format, linesize, data);
1298 pixman_image_set_destroy_function
1299 (surface->image, qemu_unmap_displaysurface_guestmem, NULL);
1300
1301 return surface;
1302 }
1303
1304 static DisplaySurface *qemu_create_message_surface(int w, int h,
1305 const char *msg)
1306 {
1307 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1308 pixman_color_t bg = color_table_rgb[0][COLOR_BLACK];
1309 pixman_color_t fg = color_table_rgb[0][COLOR_WHITE];
1310 pixman_image_t *glyph;
1311 int len, x, y, i;
1312
1313 len = strlen(msg);
1314 x = (w / FONT_WIDTH - len) / 2;
1315 y = (h / FONT_HEIGHT - 1) / 2;
1316 for (i = 0; i < len; i++) {
1317 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1318 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1319 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1320 qemu_pixman_image_unref(glyph);
1321 }
1322 return surface;
1323 }
1324
1325 void qemu_free_displaysurface(DisplaySurface *surface)
1326 {
1327 if (surface == NULL) {
1328 return;
1329 }
1330 trace_displaysurface_free(surface);
1331 qemu_pixman_image_unref(surface->image);
1332 g_free(surface);
1333 }
1334
1335 void register_displaychangelistener(DisplayChangeListener *dcl)
1336 {
1337 static const char nodev[] =
1338 "This VM has no graphic display device.";
1339 static DisplaySurface *dummy;
1340 QemuConsole *con;
1341
1342 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1343 dcl->ds = get_alloc_displaystate();
1344 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1345 gui_setup_refresh(dcl->ds);
1346 if (dcl->con) {
1347 dcl->con->dcls++;
1348 con = dcl->con;
1349 } else {
1350 con = active_console;
1351 }
1352 if (dcl->ops->dpy_gfx_switch) {
1353 if (con) {
1354 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1355 } else {
1356 if (!dummy) {
1357 dummy = qemu_create_message_surface(640, 480, nodev);
1358 }
1359 dcl->ops->dpy_gfx_switch(dcl, dummy);
1360 }
1361 }
1362 text_console_update_cursor(NULL);
1363 }
1364
1365 void update_displaychangelistener(DisplayChangeListener *dcl,
1366 uint64_t interval)
1367 {
1368 DisplayState *ds = dcl->ds;
1369
1370 dcl->update_interval = interval;
1371 if (!ds->refreshing && ds->update_interval > interval) {
1372 timer_mod(ds->gui_timer, ds->last_update + interval);
1373 }
1374 }
1375
1376 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1377 {
1378 DisplayState *ds = dcl->ds;
1379 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1380 if (dcl->con) {
1381 dcl->con->dcls--;
1382 }
1383 QLIST_REMOVE(dcl, next);
1384 gui_setup_refresh(ds);
1385 }
1386
1387 static void dpy_set_ui_info_timer(void *opaque)
1388 {
1389 QemuConsole *con = opaque;
1390
1391 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1392 }
1393
1394 bool dpy_ui_info_supported(QemuConsole *con)
1395 {
1396 return con->hw_ops->ui_info != NULL;
1397 }
1398
1399 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1400 {
1401 assert(con != NULL);
1402 con->ui_info = *info;
1403 if (!dpy_ui_info_supported(con)) {
1404 return -1;
1405 }
1406
1407 /*
1408 * Typically we get a flood of these as the user resizes the window.
1409 * Wait until the dust has settled (one second without updates), then
1410 * go notify the guest.
1411 */
1412 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1413 return 0;
1414 }
1415
1416 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1417 {
1418 DisplayState *s = con->ds;
1419 DisplayChangeListener *dcl;
1420 int width = surface_width(con->surface);
1421 int height = surface_height(con->surface);
1422
1423 x = MAX(x, 0);
1424 y = MAX(y, 0);
1425 x = MIN(x, width);
1426 y = MIN(y, height);
1427 w = MIN(w, width - x);
1428 h = MIN(h, height - y);
1429
1430 if (!qemu_console_is_visible(con)) {
1431 return;
1432 }
1433 QLIST_FOREACH(dcl, &s->listeners, next) {
1434 if (con != (dcl->con ? dcl->con : active_console)) {
1435 continue;
1436 }
1437 if (dcl->ops->dpy_gfx_update) {
1438 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1439 }
1440 }
1441 }
1442
1443 void dpy_gfx_replace_surface(QemuConsole *con,
1444 DisplaySurface *surface)
1445 {
1446 DisplayState *s = con->ds;
1447 DisplaySurface *old_surface = con->surface;
1448 DisplayChangeListener *dcl;
1449
1450 con->surface = surface;
1451 QLIST_FOREACH(dcl, &s->listeners, next) {
1452 if (con != (dcl->con ? dcl->con : active_console)) {
1453 continue;
1454 }
1455 if (dcl->ops->dpy_gfx_switch) {
1456 dcl->ops->dpy_gfx_switch(dcl, surface);
1457 }
1458 }
1459 qemu_free_displaysurface(old_surface);
1460 }
1461
1462 bool dpy_gfx_check_format(QemuConsole *con,
1463 pixman_format_code_t format)
1464 {
1465 DisplayChangeListener *dcl;
1466 DisplayState *s = con->ds;
1467
1468 QLIST_FOREACH(dcl, &s->listeners, next) {
1469 if (dcl->con && dcl->con != con) {
1470 /* dcl bound to another console -> skip */
1471 continue;
1472 }
1473 if (dcl->ops->dpy_gfx_check_format) {
1474 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1475 return false;
1476 }
1477 } else {
1478 /* default is to whitelist native 32 bpp only */
1479 if (format != qemu_default_pixman_format(32, true)) {
1480 return false;
1481 }
1482 }
1483 }
1484 return true;
1485 }
1486
1487 static void dpy_refresh(DisplayState *s)
1488 {
1489 DisplayChangeListener *dcl;
1490
1491 QLIST_FOREACH(dcl, &s->listeners, next) {
1492 if (dcl->ops->dpy_refresh) {
1493 dcl->ops->dpy_refresh(dcl);
1494 }
1495 }
1496 }
1497
1498 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1499 int dst_x, int dst_y, int w, int h)
1500 {
1501 DisplayState *s = con->ds;
1502 DisplayChangeListener *dcl;
1503
1504 if (!qemu_console_is_visible(con)) {
1505 return;
1506 }
1507 QLIST_FOREACH(dcl, &s->listeners, next) {
1508 if (con != (dcl->con ? dcl->con : active_console)) {
1509 continue;
1510 }
1511 if (dcl->ops->dpy_gfx_copy) {
1512 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1513 } else { /* TODO */
1514 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1515 }
1516 }
1517 }
1518
1519 void dpy_text_cursor(QemuConsole *con, int x, int y)
1520 {
1521 DisplayState *s = con->ds;
1522 DisplayChangeListener *dcl;
1523
1524 if (!qemu_console_is_visible(con)) {
1525 return;
1526 }
1527 QLIST_FOREACH(dcl, &s->listeners, next) {
1528 if (con != (dcl->con ? dcl->con : active_console)) {
1529 continue;
1530 }
1531 if (dcl->ops->dpy_text_cursor) {
1532 dcl->ops->dpy_text_cursor(dcl, x, y);
1533 }
1534 }
1535 }
1536
1537 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1538 {
1539 DisplayState *s = con->ds;
1540 DisplayChangeListener *dcl;
1541
1542 if (!qemu_console_is_visible(con)) {
1543 return;
1544 }
1545 QLIST_FOREACH(dcl, &s->listeners, next) {
1546 if (con != (dcl->con ? dcl->con : active_console)) {
1547 continue;
1548 }
1549 if (dcl->ops->dpy_text_update) {
1550 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1551 }
1552 }
1553 }
1554
1555 void dpy_text_resize(QemuConsole *con, int w, int h)
1556 {
1557 DisplayState *s = con->ds;
1558 DisplayChangeListener *dcl;
1559
1560 if (!qemu_console_is_visible(con)) {
1561 return;
1562 }
1563 QLIST_FOREACH(dcl, &s->listeners, next) {
1564 if (con != (dcl->con ? dcl->con : active_console)) {
1565 continue;
1566 }
1567 if (dcl->ops->dpy_text_resize) {
1568 dcl->ops->dpy_text_resize(dcl, w, h);
1569 }
1570 }
1571 }
1572
1573 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1574 {
1575 DisplayState *s = con->ds;
1576 DisplayChangeListener *dcl;
1577
1578 if (!qemu_console_is_visible(con)) {
1579 return;
1580 }
1581 QLIST_FOREACH(dcl, &s->listeners, next) {
1582 if (con != (dcl->con ? dcl->con : active_console)) {
1583 continue;
1584 }
1585 if (dcl->ops->dpy_mouse_set) {
1586 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1587 }
1588 }
1589 }
1590
1591 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1592 {
1593 DisplayState *s = con->ds;
1594 DisplayChangeListener *dcl;
1595
1596 if (!qemu_console_is_visible(con)) {
1597 return;
1598 }
1599 QLIST_FOREACH(dcl, &s->listeners, next) {
1600 if (con != (dcl->con ? dcl->con : active_console)) {
1601 continue;
1602 }
1603 if (dcl->ops->dpy_cursor_define) {
1604 dcl->ops->dpy_cursor_define(dcl, cursor);
1605 }
1606 }
1607 }
1608
1609 bool dpy_cursor_define_supported(QemuConsole *con)
1610 {
1611 DisplayState *s = con->ds;
1612 DisplayChangeListener *dcl;
1613
1614 QLIST_FOREACH(dcl, &s->listeners, next) {
1615 if (dcl->ops->dpy_cursor_define) {
1616 return true;
1617 }
1618 }
1619 return false;
1620 }
1621
1622 /***********************************************************/
1623 /* register display */
1624
1625 /* console.c internal use only */
1626 static DisplayState *get_alloc_displaystate(void)
1627 {
1628 if (!display_state) {
1629 display_state = g_new0(DisplayState, 1);
1630 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1631 text_console_update_cursor, NULL);
1632 }
1633 return display_state;
1634 }
1635
1636 /*
1637 * Called by main(), after creating QemuConsoles
1638 * and before initializing ui (sdl/vnc/...).
1639 */
1640 DisplayState *init_displaystate(void)
1641 {
1642 gchar *name;
1643 int i;
1644
1645 get_alloc_displaystate();
1646 for (i = 0; i < nb_consoles; i++) {
1647 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1648 consoles[i]->ds == NULL) {
1649 text_console_do_init(consoles[i]->chr, display_state);
1650 }
1651
1652 /* Hook up into the qom tree here (not in new_console()), once
1653 * all QemuConsoles are created and the order / numbering
1654 * doesn't change any more */
1655 name = g_strdup_printf("console[%d]", i);
1656 object_property_add_child(container_get(object_get_root(), "/backend"),
1657 name, OBJECT(consoles[i]), &error_abort);
1658 g_free(name);
1659 }
1660
1661 return display_state;
1662 }
1663
1664 void graphic_console_set_hwops(QemuConsole *con,
1665 const GraphicHwOps *hw_ops,
1666 void *opaque)
1667 {
1668 con->hw_ops = hw_ops;
1669 con->hw = opaque;
1670 }
1671
1672 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1673 const GraphicHwOps *hw_ops,
1674 void *opaque)
1675 {
1676 static const char noinit[] =
1677 "Guest has not initialized the display (yet).";
1678 int width = 640;
1679 int height = 480;
1680 QemuConsole *s;
1681 DisplayState *ds;
1682
1683 ds = get_alloc_displaystate();
1684 trace_console_gfx_new();
1685 s = new_console(ds, GRAPHIC_CONSOLE, head);
1686 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s);
1687 graphic_console_set_hwops(s, hw_ops, opaque);
1688 if (dev) {
1689 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1690 &error_abort);
1691 }
1692
1693 s->surface = qemu_create_message_surface(width, height, noinit);
1694 return s;
1695 }
1696
1697 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1698 {
1699 if (index >= nb_consoles) {
1700 return NULL;
1701 }
1702 return consoles[index];
1703 }
1704
1705 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1706 {
1707 Object *obj;
1708 uint32_t h;
1709 int i;
1710
1711 for (i = 0; i < nb_consoles; i++) {
1712 if (!consoles[i]) {
1713 continue;
1714 }
1715 obj = object_property_get_link(OBJECT(consoles[i]),
1716 "device", &error_abort);
1717 if (DEVICE(obj) != dev) {
1718 continue;
1719 }
1720 h = object_property_get_int(OBJECT(consoles[i]),
1721 "head", &error_abort);
1722 if (h != head) {
1723 continue;
1724 }
1725 return consoles[i];
1726 }
1727 return NULL;
1728 }
1729
1730 bool qemu_console_is_visible(QemuConsole *con)
1731 {
1732 return (con == active_console) || (con->dcls > 0);
1733 }
1734
1735 bool qemu_console_is_graphic(QemuConsole *con)
1736 {
1737 if (con == NULL) {
1738 con = active_console;
1739 }
1740 return con && (con->console_type == GRAPHIC_CONSOLE);
1741 }
1742
1743 bool qemu_console_is_fixedsize(QemuConsole *con)
1744 {
1745 if (con == NULL) {
1746 con = active_console;
1747 }
1748 return con && (con->console_type != TEXT_CONSOLE);
1749 }
1750
1751 char *qemu_console_get_label(QemuConsole *con)
1752 {
1753 if (con->console_type == GRAPHIC_CONSOLE) {
1754 if (con->device) {
1755 return g_strdup(object_get_typename(con->device));
1756 }
1757 return g_strdup("VGA");
1758 } else {
1759 if (con->chr && con->chr->label) {
1760 return g_strdup(con->chr->label);
1761 }
1762 return g_strdup_printf("vc%d", con->index);
1763 }
1764 }
1765
1766 int qemu_console_get_index(QemuConsole *con)
1767 {
1768 if (con == NULL) {
1769 con = active_console;
1770 }
1771 return con ? con->index : -1;
1772 }
1773
1774 uint32_t qemu_console_get_head(QemuConsole *con)
1775 {
1776 if (con == NULL) {
1777 con = active_console;
1778 }
1779 return con ? con->head : -1;
1780 }
1781
1782 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
1783 {
1784 assert(con != NULL);
1785 return &con->ui_info;
1786 }
1787
1788 int qemu_console_get_width(QemuConsole *con, int fallback)
1789 {
1790 if (con == NULL) {
1791 con = active_console;
1792 }
1793 return con ? surface_width(con->surface) : fallback;
1794 }
1795
1796 int qemu_console_get_height(QemuConsole *con, int fallback)
1797 {
1798 if (con == NULL) {
1799 con = active_console;
1800 }
1801 return con ? surface_height(con->surface) : fallback;
1802 }
1803
1804 static void text_console_set_echo(CharDriverState *chr, bool echo)
1805 {
1806 QemuConsole *s = chr->opaque;
1807
1808 s->echo = echo;
1809 }
1810
1811 static void text_console_update_cursor_timer(void)
1812 {
1813 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
1814 + CONSOLE_CURSOR_PERIOD / 2);
1815 }
1816
1817 static void text_console_update_cursor(void *opaque)
1818 {
1819 QemuConsole *s;
1820 int i, count = 0;
1821
1822 cursor_visible_phase = !cursor_visible_phase;
1823
1824 for (i = 0; i < nb_consoles; i++) {
1825 s = consoles[i];
1826 if (qemu_console_is_graphic(s) ||
1827 !qemu_console_is_visible(s)) {
1828 continue;
1829 }
1830 count++;
1831 graphic_hw_invalidate(s);
1832 }
1833
1834 if (count) {
1835 text_console_update_cursor_timer();
1836 }
1837 }
1838
1839 static const GraphicHwOps text_console_ops = {
1840 .invalidate = text_console_invalidate,
1841 .text_update = text_console_update,
1842 };
1843
1844 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1845 {
1846 QemuConsole *s;
1847 int g_width = 80 * FONT_WIDTH;
1848 int g_height = 24 * FONT_HEIGHT;
1849
1850 s = chr->opaque;
1851
1852 chr->chr_write = console_puts;
1853
1854 s->out_fifo.buf = s->out_fifo_buf;
1855 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1856 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
1857 s->ds = ds;
1858
1859 s->y_displayed = 0;
1860 s->y_base = 0;
1861 s->total_height = DEFAULT_BACKSCROLL;
1862 s->x = 0;
1863 s->y = 0;
1864 if (!s->surface) {
1865 if (active_console && active_console->surface) {
1866 g_width = surface_width(active_console->surface);
1867 g_height = surface_height(active_console->surface);
1868 }
1869 s->surface = qemu_create_displaysurface(g_width, g_height);
1870 }
1871
1872 s->hw_ops = &text_console_ops;
1873 s->hw = s;
1874
1875 /* Set text attribute defaults */
1876 s->t_attrib_default.bold = 0;
1877 s->t_attrib_default.uline = 0;
1878 s->t_attrib_default.blink = 0;
1879 s->t_attrib_default.invers = 0;
1880 s->t_attrib_default.unvisible = 0;
1881 s->t_attrib_default.fgcol = COLOR_WHITE;
1882 s->t_attrib_default.bgcol = COLOR_BLACK;
1883 /* set current text attributes to default */
1884 s->t_attrib = s->t_attrib_default;
1885 text_console_resize(s);
1886
1887 if (chr->label) {
1888 char msg[128];
1889 int len;
1890
1891 s->t_attrib.bgcol = COLOR_BLUE;
1892 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1893 console_puts(chr, (uint8_t*)msg, len);
1894 s->t_attrib = s->t_attrib_default;
1895 }
1896
1897 qemu_chr_be_generic_open(chr);
1898 if (chr->init)
1899 chr->init(chr);
1900 }
1901
1902 static CharDriverState *text_console_init(ChardevVC *vc)
1903 {
1904 CharDriverState *chr;
1905 QemuConsole *s;
1906 unsigned width = 0;
1907 unsigned height = 0;
1908
1909 chr = qemu_chr_alloc();
1910
1911 if (vc->has_width) {
1912 width = vc->width;
1913 } else if (vc->has_cols) {
1914 width = vc->cols * FONT_WIDTH;
1915 }
1916
1917 if (vc->has_height) {
1918 height = vc->height;
1919 } else if (vc->has_rows) {
1920 height = vc->rows * FONT_HEIGHT;
1921 }
1922
1923 trace_console_txt_new(width, height);
1924 if (width == 0 || height == 0) {
1925 s = new_console(NULL, TEXT_CONSOLE, 0);
1926 } else {
1927 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
1928 s->surface = qemu_create_displaysurface(width, height);
1929 }
1930
1931 if (!s) {
1932 g_free(chr);
1933 return NULL;
1934 }
1935
1936 s->chr = chr;
1937 chr->opaque = s;
1938 chr->chr_set_echo = text_console_set_echo;
1939 /* console/chardev init sometimes completes elsewhere in a 2nd
1940 * stage, so defer OPENED events until they are fully initialized
1941 */
1942 chr->explicit_be_open = true;
1943
1944 if (display_state) {
1945 text_console_do_init(chr, display_state);
1946 }
1947 return chr;
1948 }
1949
1950 static VcHandler *vc_handler = text_console_init;
1951
1952 CharDriverState *vc_init(ChardevVC *vc)
1953 {
1954 return vc_handler(vc);
1955 }
1956
1957 void register_vc_handler(VcHandler *handler)
1958 {
1959 vc_handler = handler;
1960 }
1961
1962 void qemu_console_resize(QemuConsole *s, int width, int height)
1963 {
1964 DisplaySurface *surface;
1965
1966 assert(s->console_type == GRAPHIC_CONSOLE);
1967 surface = qemu_create_displaysurface(width, height);
1968 dpy_gfx_replace_surface(s, surface);
1969 }
1970
1971 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
1972 int dst_x, int dst_y, int w, int h)
1973 {
1974 assert(con->console_type == GRAPHIC_CONSOLE);
1975 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
1976 }
1977
1978 DisplaySurface *qemu_console_surface(QemuConsole *console)
1979 {
1980 return console->surface;
1981 }
1982
1983 PixelFormat qemu_default_pixelformat(int bpp)
1984 {
1985 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
1986 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
1987 return pf;
1988 }
1989
1990 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
1991 Error **errp)
1992 {
1993 int val;
1994
1995 backend->vc = g_new0(ChardevVC, 1);
1996
1997 val = qemu_opt_get_number(opts, "width", 0);
1998 if (val != 0) {
1999 backend->vc->has_width = true;
2000 backend->vc->width = val;
2001 }
2002
2003 val = qemu_opt_get_number(opts, "height", 0);
2004 if (val != 0) {
2005 backend->vc->has_height = true;
2006 backend->vc->height = val;
2007 }
2008
2009 val = qemu_opt_get_number(opts, "cols", 0);
2010 if (val != 0) {
2011 backend->vc->has_cols = true;
2012 backend->vc->cols = val;
2013 }
2014
2015 val = qemu_opt_get_number(opts, "rows", 0);
2016 if (val != 0) {
2017 backend->vc->has_rows = true;
2018 backend->vc->rows = val;
2019 }
2020 }
2021
2022 static const TypeInfo qemu_console_info = {
2023 .name = TYPE_QEMU_CONSOLE,
2024 .parent = TYPE_OBJECT,
2025 .instance_size = sizeof(QemuConsole),
2026 .class_size = sizeof(QemuConsoleClass),
2027 };
2028
2029
2030 static void register_types(void)
2031 {
2032 type_register_static(&qemu_console_info);
2033 register_char_driver("vc", CHARDEV_BACKEND_KIND_VC, qemu_chr_parse_vc);
2034 }
2035
2036 type_init(register_types);
QEmu