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migration: Convert 'status' of MigrationInfo to use an enum type
[qemu/ar7.git] / ui / console.c
blobb15ca87f0f27f631d3efdc00b2d424e4438181ce
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 const GraphicHwOps *hw_ops;
130 void *hw;
131
132 /* Text console state */
133 int width;
134 int height;
135 int total_height;
136 int backscroll_height;
137 int x, y;
138 int x_saved, y_saved;
139 int y_displayed;
140 int y_base;
141 TextAttributes t_attrib_default; /* default text attributes */
142 TextAttributes t_attrib; /* currently active text attributes */
143 TextCell *cells;
144 int text_x[2], text_y[2], cursor_invalidate;
145 int echo;
146
147 int update_x0;
148 int update_y0;
149 int update_x1;
150 int update_y1;
151
152 enum TTYState state;
153 int esc_params[MAX_ESC_PARAMS];
154 int nb_esc_params;
155
156 CharDriverState *chr;
157 /* fifo for key pressed */
158 QEMUFIFO out_fifo;
159 uint8_t out_fifo_buf[16];
160 QEMUTimer *kbd_timer;
161 };
162
163 struct DisplayState {
164 QEMUTimer *gui_timer;
165 uint64_t last_update;
166 uint64_t update_interval;
167 bool refreshing;
168 bool have_gfx;
169 bool have_text;
170
171 QLIST_HEAD(, DisplayChangeListener) listeners;
172 };
173
174 static DisplayState *display_state;
175 static QemuConsole *active_console;
176 static QemuConsole **consoles;
177 static int nb_consoles = 0;
178 static bool cursor_visible_phase;
179 static QEMUTimer *cursor_timer;
180
181 static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
182 static void dpy_refresh(DisplayState *s);
183 static DisplayState *get_alloc_displaystate(void);
184 static void text_console_update_cursor_timer(void);
185 static void text_console_update_cursor(void *opaque);
186
187 static void gui_update(void *opaque)
188 {
189 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
190 uint64_t dcl_interval;
191 DisplayState *ds = opaque;
192 DisplayChangeListener *dcl;
193 int i;
194
195 ds->refreshing = true;
196 dpy_refresh(ds);
197 ds->refreshing = false;
198
199 QLIST_FOREACH(dcl, &ds->listeners, next) {
200 dcl_interval = dcl->update_interval ?
201 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
202 if (interval > dcl_interval) {
203 interval = dcl_interval;
204 }
205 }
206 if (ds->update_interval != interval) {
207 ds->update_interval = interval;
208 for (i = 0; i < nb_consoles; i++) {
209 if (consoles[i]->hw_ops->update_interval) {
210 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
211 }
212 }
213 trace_console_refresh(interval);
214 }
215 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
216 timer_mod(ds->gui_timer, ds->last_update + interval);
217 }
218
219 static void gui_setup_refresh(DisplayState *ds)
220 {
221 DisplayChangeListener *dcl;
222 bool need_timer = false;
223 bool have_gfx = false;
224 bool have_text = false;
225
226 QLIST_FOREACH(dcl, &ds->listeners, next) {
227 if (dcl->ops->dpy_refresh != NULL) {
228 need_timer = true;
229 }
230 if (dcl->ops->dpy_gfx_update != NULL) {
231 have_gfx = true;
232 }
233 if (dcl->ops->dpy_text_update != NULL) {
234 have_text = true;
235 }
236 }
237
238 if (need_timer && ds->gui_timer == NULL) {
239 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
240 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
241 }
242 if (!need_timer && ds->gui_timer != NULL) {
243 timer_del(ds->gui_timer);
244 timer_free(ds->gui_timer);
245 ds->gui_timer = NULL;
246 }
247
248 ds->have_gfx = have_gfx;
249 ds->have_text = have_text;
250 }
251
252 void graphic_hw_update(QemuConsole *con)
253 {
254 if (!con) {
255 con = active_console;
256 }
257 if (con && con->hw_ops->gfx_update) {
258 con->hw_ops->gfx_update(con->hw);
259 }
260 }
261
262 void graphic_hw_invalidate(QemuConsole *con)
263 {
264 if (!con) {
265 con = active_console;
266 }
267 if (con && con->hw_ops->invalidate) {
268 con->hw_ops->invalidate(con->hw);
269 }
270 }
271
272 static void ppm_save(const char *filename, struct DisplaySurface *ds,
273 Error **errp)
274 {
275 int width = pixman_image_get_width(ds->image);
276 int height = pixman_image_get_height(ds->image);
277 int fd;
278 FILE *f;
279 int y;
280 int ret;
281 pixman_image_t *linebuf;
282
283 trace_ppm_save(filename, ds);
284 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
285 if (fd == -1) {
286 error_setg(errp, "failed to open file '%s': %s", filename,
287 strerror(errno));
288 return;
289 }
290 f = fdopen(fd, "wb");
291 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
292 if (ret < 0) {
293 linebuf = NULL;
294 goto write_err;
295 }
296 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
297 for (y = 0; y < height; y++) {
298 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
299 clearerr(f);
300 ret = fwrite(pixman_image_get_data(linebuf), 1,
301 pixman_image_get_stride(linebuf), f);
302 (void)ret;
303 if (ferror(f)) {
304 goto write_err;
305 }
306 }
307
308 out:
309 qemu_pixman_image_unref(linebuf);
310 fclose(f);
311 return;
312
313 write_err:
314 error_setg(errp, "failed to write to file '%s': %s", filename,
315 strerror(errno));
316 unlink(filename);
317 goto out;
318 }
319
320 void qmp_screendump(const char *filename, Error **errp)
321 {
322 QemuConsole *con = qemu_console_lookup_by_index(0);
323 DisplaySurface *surface;
324
325 if (con == NULL) {
326 error_setg(errp, "There is no QemuConsole I can screendump from.");
327 return;
328 }
329
330 graphic_hw_update(con);
331 surface = qemu_console_surface(con);
332 ppm_save(filename, surface, errp);
333 }
334
335 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
336 {
337 if (!con) {
338 con = active_console;
339 }
340 if (con && con->hw_ops->text_update) {
341 con->hw_ops->text_update(con->hw, chardata);
342 }
343 }
344
345 static void vga_fill_rect(QemuConsole *con,
346 int posx, int posy, int width, int height,
347 pixman_color_t color)
348 {
349 DisplaySurface *surface = qemu_console_surface(con);
350 pixman_rectangle16_t rect = {
351 .x = posx, .y = posy, .width = width, .height = height
352 };
353
354 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
355 &color, 1, &rect);
356 }
357
358 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
359 static void vga_bitblt(QemuConsole *con,
360 int xs, int ys, int xd, int yd, int w, int h)
361 {
362 DisplaySurface *surface = qemu_console_surface(con);
363
364 pixman_image_composite(PIXMAN_OP_SRC,
365 surface->image, NULL, surface->image,
366 xs, ys, 0, 0, xd, yd, w, h);
367 }
368
369 /***********************************************************/
370 /* basic char display */
371
372 #define FONT_HEIGHT 16
373 #define FONT_WIDTH 8
374
375 #include "vgafont.h"
376
377 #ifndef CONFIG_CURSES
378 enum color_names {
379 COLOR_BLACK = 0,
380 COLOR_RED = 1,
381 COLOR_GREEN = 2,
382 COLOR_YELLOW = 3,
383 COLOR_BLUE = 4,
384 COLOR_MAGENTA = 5,
385 COLOR_CYAN = 6,
386 COLOR_WHITE = 7
387 };
388 #endif
389
390 #define QEMU_RGB(r, g, b) \
391 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
392
393 static const pixman_color_t color_table_rgb[2][8] = {
394 { /* dark */
395 QEMU_RGB(0x00, 0x00, 0x00), /* black */
396 QEMU_RGB(0xaa, 0x00, 0x00), /* red */
397 QEMU_RGB(0x00, 0xaa, 0x00), /* green */
398 QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
399 QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
400 QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
401 QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
402 QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
403 },
404 { /* bright */
405 QEMU_RGB(0x00, 0x00, 0x00), /* black */
406 QEMU_RGB(0xff, 0x00, 0x00), /* red */
407 QEMU_RGB(0x00, 0xff, 0x00), /* green */
408 QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
409 QEMU_RGB(0x00, 0x00, 0xff), /* blue */
410 QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
411 QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
412 QEMU_RGB(0xff, 0xff, 0xff), /* white */
413 }
414 };
415
416 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
417 TextAttributes *t_attrib)
418 {
419 static pixman_image_t *glyphs[256];
420 DisplaySurface *surface = qemu_console_surface(s);
421 pixman_color_t fgcol, bgcol;
422
423 if (t_attrib->invers) {
424 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
425 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
426 } else {
427 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
428 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
429 }
430
431 if (!glyphs[ch]) {
432 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
433 }
434 qemu_pixman_glyph_render(glyphs[ch], surface->image,
435 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
436 }
437
438 static void text_console_resize(QemuConsole *s)
439 {
440 TextCell *cells, *c, *c1;
441 int w1, x, y, last_width;
442
443 last_width = s->width;
444 s->width = surface_width(s->surface) / FONT_WIDTH;
445 s->height = surface_height(s->surface) / FONT_HEIGHT;
446
447 w1 = last_width;
448 if (s->width < w1)
449 w1 = s->width;
450
451 cells = g_malloc(s->width * s->total_height * sizeof(TextCell));
452 for(y = 0; y < s->total_height; y++) {
453 c = &cells[y * s->width];
454 if (w1 > 0) {
455 c1 = &s->cells[y * last_width];
456 for(x = 0; x < w1; x++) {
457 *c++ = *c1++;
458 }
459 }
460 for(x = w1; x < s->width; x++) {
461 c->ch = ' ';
462 c->t_attrib = s->t_attrib_default;
463 c++;
464 }
465 }
466 g_free(s->cells);
467 s->cells = cells;
468 }
469
470 static inline void text_update_xy(QemuConsole *s, int x, int y)
471 {
472 s->text_x[0] = MIN(s->text_x[0], x);
473 s->text_x[1] = MAX(s->text_x[1], x);
474 s->text_y[0] = MIN(s->text_y[0], y);
475 s->text_y[1] = MAX(s->text_y[1], y);
476 }
477
478 static void invalidate_xy(QemuConsole *s, int x, int y)
479 {
480 if (!qemu_console_is_visible(s)) {
481 return;
482 }
483 if (s->update_x0 > x * FONT_WIDTH)
484 s->update_x0 = x * FONT_WIDTH;
485 if (s->update_y0 > y * FONT_HEIGHT)
486 s->update_y0 = y * FONT_HEIGHT;
487 if (s->update_x1 < (x + 1) * FONT_WIDTH)
488 s->update_x1 = (x + 1) * FONT_WIDTH;
489 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
490 s->update_y1 = (y + 1) * FONT_HEIGHT;
491 }
492
493 static void update_xy(QemuConsole *s, int x, int y)
494 {
495 TextCell *c;
496 int y1, y2;
497
498 if (s->ds->have_text) {
499 text_update_xy(s, x, y);
500 }
501
502 y1 = (s->y_base + y) % s->total_height;
503 y2 = y1 - s->y_displayed;
504 if (y2 < 0) {
505 y2 += s->total_height;
506 }
507 if (y2 < s->height) {
508 c = &s->cells[y1 * s->width + x];
509 vga_putcharxy(s, x, y2, c->ch,
510 &(c->t_attrib));
511 invalidate_xy(s, x, y2);
512 }
513 }
514
515 static void console_show_cursor(QemuConsole *s, int show)
516 {
517 TextCell *c;
518 int y, y1;
519 int x = s->x;
520
521 if (s->ds->have_text) {
522 s->cursor_invalidate = 1;
523 }
524
525 if (x >= s->width) {
526 x = s->width - 1;
527 }
528 y1 = (s->y_base + s->y) % s->total_height;
529 y = y1 - s->y_displayed;
530 if (y < 0) {
531 y += s->total_height;
532 }
533 if (y < s->height) {
534 c = &s->cells[y1 * s->width + x];
535 if (show && cursor_visible_phase) {
536 TextAttributes t_attrib = s->t_attrib_default;
537 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
538 vga_putcharxy(s, x, y, c->ch, &t_attrib);
539 } else {
540 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
541 }
542 invalidate_xy(s, x, y);
543 }
544 }
545
546 static void console_refresh(QemuConsole *s)
547 {
548 DisplaySurface *surface = qemu_console_surface(s);
549 TextCell *c;
550 int x, y, y1;
551
552 if (s->ds->have_text) {
553 s->text_x[0] = 0;
554 s->text_y[0] = 0;
555 s->text_x[1] = s->width - 1;
556 s->text_y[1] = s->height - 1;
557 s->cursor_invalidate = 1;
558 }
559
560 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
561 color_table_rgb[0][COLOR_BLACK]);
562 y1 = s->y_displayed;
563 for (y = 0; y < s->height; y++) {
564 c = s->cells + y1 * s->width;
565 for (x = 0; x < s->width; x++) {
566 vga_putcharxy(s, x, y, c->ch,
567 &(c->t_attrib));
568 c++;
569 }
570 if (++y1 == s->total_height) {
571 y1 = 0;
572 }
573 }
574 console_show_cursor(s, 1);
575 dpy_gfx_update(s, 0, 0,
576 surface_width(surface), surface_height(surface));
577 }
578
579 static void console_scroll(QemuConsole *s, int ydelta)
580 {
581 int i, y1;
582
583 if (ydelta > 0) {
584 for(i = 0; i < ydelta; i++) {
585 if (s->y_displayed == s->y_base)
586 break;
587 if (++s->y_displayed == s->total_height)
588 s->y_displayed = 0;
589 }
590 } else {
591 ydelta = -ydelta;
592 i = s->backscroll_height;
593 if (i > s->total_height - s->height)
594 i = s->total_height - s->height;
595 y1 = s->y_base - i;
596 if (y1 < 0)
597 y1 += s->total_height;
598 for(i = 0; i < ydelta; i++) {
599 if (s->y_displayed == y1)
600 break;
601 if (--s->y_displayed < 0)
602 s->y_displayed = s->total_height - 1;
603 }
604 }
605 console_refresh(s);
606 }
607
608 static void console_put_lf(QemuConsole *s)
609 {
610 TextCell *c;
611 int x, y1;
612
613 s->y++;
614 if (s->y >= s->height) {
615 s->y = s->height - 1;
616
617 if (s->y_displayed == s->y_base) {
618 if (++s->y_displayed == s->total_height)
619 s->y_displayed = 0;
620 }
621 if (++s->y_base == s->total_height)
622 s->y_base = 0;
623 if (s->backscroll_height < s->total_height)
624 s->backscroll_height++;
625 y1 = (s->y_base + s->height - 1) % s->total_height;
626 c = &s->cells[y1 * s->width];
627 for(x = 0; x < s->width; x++) {
628 c->ch = ' ';
629 c->t_attrib = s->t_attrib_default;
630 c++;
631 }
632 if (s->y_displayed == s->y_base) {
633 if (s->ds->have_text) {
634 s->text_x[0] = 0;
635 s->text_y[0] = 0;
636 s->text_x[1] = s->width - 1;
637 s->text_y[1] = s->height - 1;
638 }
639
640 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
641 s->width * FONT_WIDTH,
642 (s->height - 1) * FONT_HEIGHT);
643 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
644 s->width * FONT_WIDTH, FONT_HEIGHT,
645 color_table_rgb[0][s->t_attrib_default.bgcol]);
646 s->update_x0 = 0;
647 s->update_y0 = 0;
648 s->update_x1 = s->width * FONT_WIDTH;
649 s->update_y1 = s->height * FONT_HEIGHT;
650 }
651 }
652 }
653
654 /* Set console attributes depending on the current escape codes.
655 * NOTE: I know this code is not very efficient (checking every color for it
656 * self) but it is more readable and better maintainable.
657 */
658 static void console_handle_escape(QemuConsole *s)
659 {
660 int i;
661
662 for (i=0; i<s->nb_esc_params; i++) {
663 switch (s->esc_params[i]) {
664 case 0: /* reset all console attributes to default */
665 s->t_attrib = s->t_attrib_default;
666 break;
667 case 1:
668 s->t_attrib.bold = 1;
669 break;
670 case 4:
671 s->t_attrib.uline = 1;
672 break;
673 case 5:
674 s->t_attrib.blink = 1;
675 break;
676 case 7:
677 s->t_attrib.invers = 1;
678 break;
679 case 8:
680 s->t_attrib.unvisible = 1;
681 break;
682 case 22:
683 s->t_attrib.bold = 0;
684 break;
685 case 24:
686 s->t_attrib.uline = 0;
687 break;
688 case 25:
689 s->t_attrib.blink = 0;
690 break;
691 case 27:
692 s->t_attrib.invers = 0;
693 break;
694 case 28:
695 s->t_attrib.unvisible = 0;
696 break;
697 /* set foreground color */
698 case 30:
699 s->t_attrib.fgcol=COLOR_BLACK;
700 break;
701 case 31:
702 s->t_attrib.fgcol=COLOR_RED;
703 break;
704 case 32:
705 s->t_attrib.fgcol=COLOR_GREEN;
706 break;
707 case 33:
708 s->t_attrib.fgcol=COLOR_YELLOW;
709 break;
710 case 34:
711 s->t_attrib.fgcol=COLOR_BLUE;
712 break;
713 case 35:
714 s->t_attrib.fgcol=COLOR_MAGENTA;
715 break;
716 case 36:
717 s->t_attrib.fgcol=COLOR_CYAN;
718 break;
719 case 37:
720 s->t_attrib.fgcol=COLOR_WHITE;
721 break;
722 /* set background color */
723 case 40:
724 s->t_attrib.bgcol=COLOR_BLACK;
725 break;
726 case 41:
727 s->t_attrib.bgcol=COLOR_RED;
728 break;
729 case 42:
730 s->t_attrib.bgcol=COLOR_GREEN;
731 break;
732 case 43:
733 s->t_attrib.bgcol=COLOR_YELLOW;
734 break;
735 case 44:
736 s->t_attrib.bgcol=COLOR_BLUE;
737 break;
738 case 45:
739 s->t_attrib.bgcol=COLOR_MAGENTA;
740 break;
741 case 46:
742 s->t_attrib.bgcol=COLOR_CYAN;
743 break;
744 case 47:
745 s->t_attrib.bgcol=COLOR_WHITE;
746 break;
747 }
748 }
749 }
750
751 static void console_clear_xy(QemuConsole *s, int x, int y)
752 {
753 int y1 = (s->y_base + y) % s->total_height;
754 TextCell *c = &s->cells[y1 * s->width + x];
755 c->ch = ' ';
756 c->t_attrib = s->t_attrib_default;
757 update_xy(s, x, y);
758 }
759
760 /* set cursor, checking bounds */
761 static void set_cursor(QemuConsole *s, int x, int y)
762 {
763 if (x < 0) {
764 x = 0;
765 }
766 if (y < 0) {
767 y = 0;
768 }
769 if (y >= s->height) {
770 y = s->height - 1;
771 }
772 if (x >= s->width) {
773 x = s->width - 1;
774 }
775
776 s->x = x;
777 s->y = y;
778 }
779
780 static void console_putchar(QemuConsole *s, int ch)
781 {
782 TextCell *c;
783 int y1, i;
784 int x, y;
785
786 switch(s->state) {
787 case TTY_STATE_NORM:
788 switch(ch) {
789 case '\r': /* carriage return */
790 s->x = 0;
791 break;
792 case '\n': /* newline */
793 console_put_lf(s);
794 break;
795 case '\b': /* backspace */
796 if (s->x > 0)
797 s->x--;
798 break;
799 case '\t': /* tabspace */
800 if (s->x + (8 - (s->x % 8)) > s->width) {
801 s->x = 0;
802 console_put_lf(s);
803 } else {
804 s->x = s->x + (8 - (s->x % 8));
805 }
806 break;
807 case '\a': /* alert aka. bell */
808 /* TODO: has to be implemented */
809 break;
810 case 14:
811 /* SI (shift in), character set 0 (ignored) */
812 break;
813 case 15:
814 /* SO (shift out), character set 1 (ignored) */
815 break;
816 case 27: /* esc (introducing an escape sequence) */
817 s->state = TTY_STATE_ESC;
818 break;
819 default:
820 if (s->x >= s->width) {
821 /* line wrap */
822 s->x = 0;
823 console_put_lf(s);
824 }
825 y1 = (s->y_base + s->y) % s->total_height;
826 c = &s->cells[y1 * s->width + s->x];
827 c->ch = ch;
828 c->t_attrib = s->t_attrib;
829 update_xy(s, s->x, s->y);
830 s->x++;
831 break;
832 }
833 break;
834 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
835 if (ch == '[') {
836 for(i=0;i<MAX_ESC_PARAMS;i++)
837 s->esc_params[i] = 0;
838 s->nb_esc_params = 0;
839 s->state = TTY_STATE_CSI;
840 } else {
841 s->state = TTY_STATE_NORM;
842 }
843 break;
844 case TTY_STATE_CSI: /* handle escape sequence parameters */
845 if (ch >= '0' && ch <= '9') {
846 if (s->nb_esc_params < MAX_ESC_PARAMS) {
847 int *param = &s->esc_params[s->nb_esc_params];
848 int digit = (ch - '0');
849
850 *param = (*param <= (INT_MAX - digit) / 10) ?
851 *param * 10 + digit : INT_MAX;
852 }
853 } else {
854 if (s->nb_esc_params < MAX_ESC_PARAMS)
855 s->nb_esc_params++;
856 if (ch == ';')
857 break;
858 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
859 ch, s->nb_esc_params);
860 s->state = TTY_STATE_NORM;
861 switch(ch) {
862 case 'A':
863 /* move cursor up */
864 if (s->esc_params[0] == 0) {
865 s->esc_params[0] = 1;
866 }
867 set_cursor(s, s->x, s->y - s->esc_params[0]);
868 break;
869 case 'B':
870 /* move cursor down */
871 if (s->esc_params[0] == 0) {
872 s->esc_params[0] = 1;
873 }
874 set_cursor(s, s->x, s->y + s->esc_params[0]);
875 break;
876 case 'C':
877 /* move cursor right */
878 if (s->esc_params[0] == 0) {
879 s->esc_params[0] = 1;
880 }
881 set_cursor(s, s->x + s->esc_params[0], s->y);
882 break;
883 case 'D':
884 /* move cursor left */
885 if (s->esc_params[0] == 0) {
886 s->esc_params[0] = 1;
887 }
888 set_cursor(s, s->x - s->esc_params[0], s->y);
889 break;
890 case 'G':
891 /* move cursor to column */
892 set_cursor(s, s->esc_params[0] - 1, s->y);
893 break;
894 case 'f':
895 case 'H':
896 /* move cursor to row, column */
897 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
898 break;
899 case 'J':
900 switch (s->esc_params[0]) {
901 case 0:
902 /* clear to end of screen */
903 for (y = s->y; y < s->height; y++) {
904 for (x = 0; x < s->width; x++) {
905 if (y == s->y && x < s->x) {
906 continue;
907 }
908 console_clear_xy(s, x, y);
909 }
910 }
911 break;
912 case 1:
913 /* clear from beginning of screen */
914 for (y = 0; y <= s->y; y++) {
915 for (x = 0; x < s->width; x++) {
916 if (y == s->y && x > s->x) {
917 break;
918 }
919 console_clear_xy(s, x, y);
920 }
921 }
922 break;
923 case 2:
924 /* clear entire screen */
925 for (y = 0; y <= s->height; y++) {
926 for (x = 0; x < s->width; x++) {
927 console_clear_xy(s, x, y);
928 }
929 }
930 break;
931 }
932 break;
933 case 'K':
934 switch (s->esc_params[0]) {
935 case 0:
936 /* clear to eol */
937 for(x = s->x; x < s->width; x++) {
938 console_clear_xy(s, x, s->y);
939 }
940 break;
941 case 1:
942 /* clear from beginning of line */
943 for (x = 0; x <= s->x; x++) {
944 console_clear_xy(s, x, s->y);
945 }
946 break;
947 case 2:
948 /* clear entire line */
949 for(x = 0; x < s->width; x++) {
950 console_clear_xy(s, x, s->y);
951 }
952 break;
953 }
954 break;
955 case 'm':
956 console_handle_escape(s);
957 break;
958 case 'n':
959 /* report cursor position */
960 /* TODO: send ESC[row;colR */
961 break;
962 case 's':
963 /* save cursor position */
964 s->x_saved = s->x;
965 s->y_saved = s->y;
966 break;
967 case 'u':
968 /* restore cursor position */
969 s->x = s->x_saved;
970 s->y = s->y_saved;
971 break;
972 default:
973 trace_console_putchar_unhandled(ch);
974 break;
975 }
976 break;
977 }
978 }
979 }
980
981 void console_select(unsigned int index)
982 {
983 DisplayChangeListener *dcl;
984 QemuConsole *s;
985
986 trace_console_select(index);
987 s = qemu_console_lookup_by_index(index);
988 if (s) {
989 DisplayState *ds = s->ds;
990
991 active_console = s;
992 if (ds->have_gfx) {
993 QLIST_FOREACH(dcl, &ds->listeners, next) {
994 if (dcl->con != NULL) {
995 continue;
996 }
997 if (dcl->ops->dpy_gfx_switch) {
998 dcl->ops->dpy_gfx_switch(dcl, s->surface);
999 }
1000 }
1001 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1002 surface_height(s->surface));
1003 }
1004 if (ds->have_text) {
1005 dpy_text_resize(s, s->width, s->height);
1006 }
1007 text_console_update_cursor(NULL);
1008 }
1009 }
1010
1011 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1012 {
1013 QemuConsole *s = chr->opaque;
1014 int i;
1015
1016 s->update_x0 = s->width * FONT_WIDTH;
1017 s->update_y0 = s->height * FONT_HEIGHT;
1018 s->update_x1 = 0;
1019 s->update_y1 = 0;
1020 console_show_cursor(s, 0);
1021 for(i = 0; i < len; i++) {
1022 console_putchar(s, buf[i]);
1023 }
1024 console_show_cursor(s, 1);
1025 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1026 dpy_gfx_update(s, s->update_x0, s->update_y0,
1027 s->update_x1 - s->update_x0,
1028 s->update_y1 - s->update_y0);
1029 }
1030 return len;
1031 }
1032
1033 static void kbd_send_chars(void *opaque)
1034 {
1035 QemuConsole *s = opaque;
1036 int len;
1037 uint8_t buf[16];
1038
1039 len = qemu_chr_be_can_write(s->chr);
1040 if (len > s->out_fifo.count)
1041 len = s->out_fifo.count;
1042 if (len > 0) {
1043 if (len > sizeof(buf))
1044 len = sizeof(buf);
1045 qemu_fifo_read(&s->out_fifo, buf, len);
1046 qemu_chr_be_write(s->chr, buf, len);
1047 }
1048 /* characters are pending: we send them a bit later (XXX:
1049 horrible, should change char device API) */
1050 if (s->out_fifo.count > 0) {
1051 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1052 }
1053 }
1054
1055 /* called when an ascii key is pressed */
1056 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1057 {
1058 uint8_t buf[16], *q;
1059 int c;
1060
1061 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1062 return;
1063
1064 switch(keysym) {
1065 case QEMU_KEY_CTRL_UP:
1066 console_scroll(s, -1);
1067 break;
1068 case QEMU_KEY_CTRL_DOWN:
1069 console_scroll(s, 1);
1070 break;
1071 case QEMU_KEY_CTRL_PAGEUP:
1072 console_scroll(s, -10);
1073 break;
1074 case QEMU_KEY_CTRL_PAGEDOWN:
1075 console_scroll(s, 10);
1076 break;
1077 default:
1078 /* convert the QEMU keysym to VT100 key string */
1079 q = buf;
1080 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1081 *q++ = '\033';
1082 *q++ = '[';
1083 c = keysym - 0xe100;
1084 if (c >= 10)
1085 *q++ = '0' + (c / 10);
1086 *q++ = '0' + (c % 10);
1087 *q++ = '~';
1088 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1089 *q++ = '\033';
1090 *q++ = '[';
1091 *q++ = keysym & 0xff;
1092 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1093 console_puts(s->chr, (const uint8_t *) "\r", 1);
1094 *q++ = '\n';
1095 } else {
1096 *q++ = keysym;
1097 }
1098 if (s->echo) {
1099 console_puts(s->chr, buf, q - buf);
1100 }
1101 if (s->chr->chr_read) {
1102 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1103 kbd_send_chars(s);
1104 }
1105 break;
1106 }
1107 }
1108
1109 static const int qcode_to_keysym[Q_KEY_CODE_MAX] = {
1110 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1111 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1112 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1113 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1114 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1115 [Q_KEY_CODE_END] = QEMU_KEY_END,
1116 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1117 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1118 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1119 };
1120
1121 bool kbd_put_qcode_console(QemuConsole *s, int qcode)
1122 {
1123 int keysym;
1124
1125 keysym = qcode_to_keysym[qcode];
1126 if (keysym == 0) {
1127 return false;
1128 }
1129 kbd_put_keysym_console(s, keysym);
1130 return true;
1131 }
1132
1133 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1134 {
1135 int i;
1136
1137 for (i = 0; i < len && str[i]; i++) {
1138 kbd_put_keysym_console(s, str[i]);
1139 }
1140 }
1141
1142 void kbd_put_keysym(int keysym)
1143 {
1144 kbd_put_keysym_console(active_console, keysym);
1145 }
1146
1147 static void text_console_invalidate(void *opaque)
1148 {
1149 QemuConsole *s = (QemuConsole *) opaque;
1150
1151 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1152 text_console_resize(s);
1153 }
1154 console_refresh(s);
1155 }
1156
1157 static void text_console_update(void *opaque, console_ch_t *chardata)
1158 {
1159 QemuConsole *s = (QemuConsole *) opaque;
1160 int i, j, src;
1161
1162 if (s->text_x[0] <= s->text_x[1]) {
1163 src = (s->y_base + s->text_y[0]) * s->width;
1164 chardata += s->text_y[0] * s->width;
1165 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1166 for (j = 0; j < s->width; j ++, src ++)
1167 console_write_ch(chardata ++, s->cells[src].ch |
1168 (s->cells[src].t_attrib.fgcol << 12) |
1169 (s->cells[src].t_attrib.bgcol << 8) |
1170 (s->cells[src].t_attrib.bold << 21));
1171 dpy_text_update(s, s->text_x[0], s->text_y[0],
1172 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1173 s->text_x[0] = s->width;
1174 s->text_y[0] = s->height;
1175 s->text_x[1] = 0;
1176 s->text_y[1] = 0;
1177 }
1178 if (s->cursor_invalidate) {
1179 dpy_text_cursor(s, s->x, s->y);
1180 s->cursor_invalidate = 0;
1181 }
1182 }
1183
1184 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1185 uint32_t head)
1186 {
1187 Object *obj;
1188 QemuConsole *s;
1189 int i;
1190
1191 obj = object_new(TYPE_QEMU_CONSOLE);
1192 s = QEMU_CONSOLE(obj);
1193 s->head = head;
1194 object_property_add_link(obj, "device", TYPE_DEVICE,
1195 (Object **)&s->device,
1196 object_property_allow_set_link,
1197 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1198 &error_abort);
1199 object_property_add_uint32_ptr(obj, "head",
1200 &s->head, &error_abort);
1201
1202 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1203 (console_type == GRAPHIC_CONSOLE))) {
1204 active_console = s;
1205 }
1206 s->ds = ds;
1207 s->console_type = console_type;
1208
1209 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
1210 if (console_type != GRAPHIC_CONSOLE) {
1211 s->index = nb_consoles;
1212 consoles[nb_consoles++] = s;
1213 } else {
1214 /* HACK: Put graphical consoles before text consoles. */
1215 for (i = nb_consoles; i > 0; i--) {
1216 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1217 break;
1218 consoles[i] = consoles[i - 1];
1219 consoles[i]->index = i;
1220 }
1221 s->index = i;
1222 consoles[i] = s;
1223 nb_consoles++;
1224 }
1225 return s;
1226 }
1227
1228 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1229 {
1230 qemu_pixman_image_unref(surface->image);
1231 surface->image = NULL;
1232
1233 surface->format = PIXMAN_x8r8g8b8;
1234 surface->image = pixman_image_create_bits(surface->format,
1235 width, height,
1236 NULL, width * 4);
1237 assert(surface->image != NULL);
1238
1239 surface->flags = QEMU_ALLOCATED_FLAG;
1240 }
1241
1242 DisplaySurface *qemu_create_displaysurface(int width, int height)
1243 {
1244 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1245
1246 trace_displaysurface_create(surface, width, height);
1247 qemu_alloc_display(surface, width, height);
1248 return surface;
1249 }
1250
1251 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1252 pixman_format_code_t format,
1253 int linesize, uint8_t *data)
1254 {
1255 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1256
1257 trace_displaysurface_create_from(surface, width, height, format);
1258 surface->format = format;
1259 surface->image = pixman_image_create_bits(surface->format,
1260 width, height,
1261 (void *)data, linesize);
1262 assert(surface->image != NULL);
1263
1264 return surface;
1265 }
1266
1267 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image,
1268 void *unused)
1269 {
1270 void *data = pixman_image_get_data(image);
1271 uint32_t size = pixman_image_get_stride(image) *
1272 pixman_image_get_height(image);
1273 cpu_physical_memory_unmap(data, size, 0, 0);
1274 }
1275
1276 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
1277 pixman_format_code_t format,
1278 int linesize, uint64_t addr)
1279 {
1280 DisplaySurface *surface;
1281 hwaddr size;
1282 void *data;
1283
1284 if (linesize == 0) {
1285 linesize = width * PIXMAN_FORMAT_BPP(format) / 8;
1286 }
1287
1288 size = (hwaddr)linesize * height;
1289 data = cpu_physical_memory_map(addr, &size, 0);
1290 if (size != (hwaddr)linesize * height) {
1291 cpu_physical_memory_unmap(data, size, 0, 0);
1292 return NULL;
1293 }
1294
1295 surface = qemu_create_displaysurface_from
1296 (width, height, format, linesize, data);
1297 pixman_image_set_destroy_function
1298 (surface->image, qemu_unmap_displaysurface_guestmem, NULL);
1299
1300 return surface;
1301 }
1302
1303 static DisplaySurface *qemu_create_message_surface(int w, int h,
1304 const char *msg)
1305 {
1306 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1307 pixman_color_t bg = color_table_rgb[0][COLOR_BLACK];
1308 pixman_color_t fg = color_table_rgb[0][COLOR_WHITE];
1309 pixman_image_t *glyph;
1310 int len, x, y, i;
1311
1312 len = strlen(msg);
1313 x = (w / FONT_WIDTH - len) / 2;
1314 y = (h / FONT_HEIGHT - 1) / 2;
1315 for (i = 0; i < len; i++) {
1316 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1317 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1318 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1319 qemu_pixman_image_unref(glyph);
1320 }
1321 return surface;
1322 }
1323
1324 void qemu_free_displaysurface(DisplaySurface *surface)
1325 {
1326 if (surface == NULL) {
1327 return;
1328 }
1329 trace_displaysurface_free(surface);
1330 qemu_pixman_image_unref(surface->image);
1331 g_free(surface);
1332 }
1333
1334 void register_displaychangelistener(DisplayChangeListener *dcl)
1335 {
1336 static const char nodev[] =
1337 "This VM has no graphic display device.";
1338 static DisplaySurface *dummy;
1339 QemuConsole *con;
1340
1341 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1342 dcl->ds = get_alloc_displaystate();
1343 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1344 gui_setup_refresh(dcl->ds);
1345 if (dcl->con) {
1346 dcl->con->dcls++;
1347 con = dcl->con;
1348 } else {
1349 con = active_console;
1350 }
1351 if (dcl->ops->dpy_gfx_switch) {
1352 if (con) {
1353 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1354 } else {
1355 if (!dummy) {
1356 dummy = qemu_create_message_surface(640, 480, nodev);
1357 }
1358 dcl->ops->dpy_gfx_switch(dcl, dummy);
1359 }
1360 }
1361 text_console_update_cursor(NULL);
1362 }
1363
1364 void update_displaychangelistener(DisplayChangeListener *dcl,
1365 uint64_t interval)
1366 {
1367 DisplayState *ds = dcl->ds;
1368
1369 dcl->update_interval = interval;
1370 if (!ds->refreshing && ds->update_interval > interval) {
1371 timer_mod(ds->gui_timer, ds->last_update + interval);
1372 }
1373 }
1374
1375 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1376 {
1377 DisplayState *ds = dcl->ds;
1378 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1379 if (dcl->con) {
1380 dcl->con->dcls--;
1381 }
1382 QLIST_REMOVE(dcl, next);
1383 gui_setup_refresh(ds);
1384 }
1385
1386 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1387 {
1388 assert(con != NULL);
1389 con->ui_info = *info;
1390 if (con->hw_ops->ui_info) {
1391 return con->hw_ops->ui_info(con->hw, con->head, info);
1392 }
1393 return -1;
1394 }
1395
1396 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1397 {
1398 DisplayState *s = con->ds;
1399 DisplayChangeListener *dcl;
1400 int width = surface_width(con->surface);
1401 int height = surface_height(con->surface);
1402
1403 x = MAX(x, 0);
1404 y = MAX(y, 0);
1405 x = MIN(x, width);
1406 y = MIN(y, height);
1407 w = MIN(w, width - x);
1408 h = MIN(h, height - y);
1409
1410 if (!qemu_console_is_visible(con)) {
1411 return;
1412 }
1413 QLIST_FOREACH(dcl, &s->listeners, next) {
1414 if (con != (dcl->con ? dcl->con : active_console)) {
1415 continue;
1416 }
1417 if (dcl->ops->dpy_gfx_update) {
1418 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1419 }
1420 }
1421 }
1422
1423 void dpy_gfx_replace_surface(QemuConsole *con,
1424 DisplaySurface *surface)
1425 {
1426 DisplayState *s = con->ds;
1427 DisplaySurface *old_surface = con->surface;
1428 DisplayChangeListener *dcl;
1429
1430 con->surface = surface;
1431 QLIST_FOREACH(dcl, &s->listeners, next) {
1432 if (con != (dcl->con ? dcl->con : active_console)) {
1433 continue;
1434 }
1435 if (dcl->ops->dpy_gfx_switch) {
1436 dcl->ops->dpy_gfx_switch(dcl, surface);
1437 }
1438 }
1439 qemu_free_displaysurface(old_surface);
1440 }
1441
1442 bool dpy_gfx_check_format(QemuConsole *con,
1443 pixman_format_code_t format)
1444 {
1445 DisplayChangeListener *dcl;
1446 DisplayState *s = con->ds;
1447
1448 QLIST_FOREACH(dcl, &s->listeners, next) {
1449 if (dcl->con && dcl->con != con) {
1450 /* dcl bound to another console -> skip */
1451 continue;
1452 }
1453 if (dcl->ops->dpy_gfx_check_format) {
1454 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1455 return false;
1456 }
1457 } else {
1458 /* default is to whitelist native 32 bpp only */
1459 if (format != qemu_default_pixman_format(32, true)) {
1460 return false;
1461 }
1462 }
1463 }
1464 return true;
1465 }
1466
1467 static void dpy_refresh(DisplayState *s)
1468 {
1469 DisplayChangeListener *dcl;
1470
1471 QLIST_FOREACH(dcl, &s->listeners, next) {
1472 if (dcl->ops->dpy_refresh) {
1473 dcl->ops->dpy_refresh(dcl);
1474 }
1475 }
1476 }
1477
1478 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1479 int dst_x, int dst_y, int w, int h)
1480 {
1481 DisplayState *s = con->ds;
1482 DisplayChangeListener *dcl;
1483
1484 if (!qemu_console_is_visible(con)) {
1485 return;
1486 }
1487 QLIST_FOREACH(dcl, &s->listeners, next) {
1488 if (con != (dcl->con ? dcl->con : active_console)) {
1489 continue;
1490 }
1491 if (dcl->ops->dpy_gfx_copy) {
1492 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1493 } else { /* TODO */
1494 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1495 }
1496 }
1497 }
1498
1499 void dpy_text_cursor(QemuConsole *con, int x, int y)
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_text_cursor) {
1512 dcl->ops->dpy_text_cursor(dcl, x, y);
1513 }
1514 }
1515 }
1516
1517 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1518 {
1519 DisplayState *s = con->ds;
1520 DisplayChangeListener *dcl;
1521
1522 if (!qemu_console_is_visible(con)) {
1523 return;
1524 }
1525 QLIST_FOREACH(dcl, &s->listeners, next) {
1526 if (con != (dcl->con ? dcl->con : active_console)) {
1527 continue;
1528 }
1529 if (dcl->ops->dpy_text_update) {
1530 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1531 }
1532 }
1533 }
1534
1535 void dpy_text_resize(QemuConsole *con, int w, int h)
1536 {
1537 DisplayState *s = con->ds;
1538 struct DisplayChangeListener *dcl;
1539
1540 if (!qemu_console_is_visible(con)) {
1541 return;
1542 }
1543 QLIST_FOREACH(dcl, &s->listeners, next) {
1544 if (con != (dcl->con ? dcl->con : active_console)) {
1545 continue;
1546 }
1547 if (dcl->ops->dpy_text_resize) {
1548 dcl->ops->dpy_text_resize(dcl, w, h);
1549 }
1550 }
1551 }
1552
1553 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1554 {
1555 DisplayState *s = con->ds;
1556 DisplayChangeListener *dcl;
1557
1558 if (!qemu_console_is_visible(con)) {
1559 return;
1560 }
1561 QLIST_FOREACH(dcl, &s->listeners, next) {
1562 if (con != (dcl->con ? dcl->con : active_console)) {
1563 continue;
1564 }
1565 if (dcl->ops->dpy_mouse_set) {
1566 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1567 }
1568 }
1569 }
1570
1571 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1572 {
1573 DisplayState *s = con->ds;
1574 DisplayChangeListener *dcl;
1575
1576 if (!qemu_console_is_visible(con)) {
1577 return;
1578 }
1579 QLIST_FOREACH(dcl, &s->listeners, next) {
1580 if (con != (dcl->con ? dcl->con : active_console)) {
1581 continue;
1582 }
1583 if (dcl->ops->dpy_cursor_define) {
1584 dcl->ops->dpy_cursor_define(dcl, cursor);
1585 }
1586 }
1587 }
1588
1589 bool dpy_cursor_define_supported(QemuConsole *con)
1590 {
1591 DisplayState *s = con->ds;
1592 DisplayChangeListener *dcl;
1593
1594 QLIST_FOREACH(dcl, &s->listeners, next) {
1595 if (dcl->ops->dpy_cursor_define) {
1596 return true;
1597 }
1598 }
1599 return false;
1600 }
1601
1602 /*
1603 * Call dpy_gfx_update for all dirity scanlines. Works for
1604 * DisplaySurfaces backed by guest memory (i.e. the ones created
1605 * using qemu_create_displaysurface_guestmem).
1606 */
1607 void dpy_gfx_update_dirty(QemuConsole *con,
1608 MemoryRegion *address_space,
1609 hwaddr base,
1610 bool invalidate)
1611 {
1612 DisplaySurface *ds = qemu_console_surface(con);
1613 int width = surface_stride(ds);
1614 int height = surface_height(ds);
1615 hwaddr size = width * height;
1616 MemoryRegionSection mem_section;
1617 MemoryRegion *mem;
1618 ram_addr_t addr;
1619 int first, last, i;
1620 bool dirty;
1621
1622 mem_section = memory_region_find(address_space, base, size);
1623 mem = mem_section.mr;
1624 if (int128_get64(mem_section.size) != size ||
1625 !memory_region_is_ram(mem_section.mr)) {
1626 goto out;
1627 }
1628 assert(mem);
1629
1630 memory_region_sync_dirty_bitmap(mem);
1631 addr = mem_section.offset_within_region;
1632
1633 first = -1;
1634 last = -1;
1635 for (i = 0; i < height; i++, addr += width) {
1636 dirty = invalidate ||
1637 memory_region_get_dirty(mem, addr, width, DIRTY_MEMORY_VGA);
1638 if (dirty) {
1639 if (first == -1) {
1640 first = i;
1641 }
1642 last = i;
1643 }
1644 if (first != -1 && !dirty) {
1645 assert(last != -1 && last >= first);
1646 dpy_gfx_update(con, 0, first, surface_width(ds),
1647 last - first + 1);
1648 first = -1;
1649 }
1650 }
1651 if (first != -1) {
1652 assert(last != -1 && last >= first);
1653 dpy_gfx_update(con, 0, first, surface_width(ds),
1654 last - first + 1);
1655 }
1656
1657 memory_region_reset_dirty(mem, mem_section.offset_within_region, size,
1658 DIRTY_MEMORY_VGA);
1659 out:
1660 memory_region_unref(mem);
1661 }
1662
1663 /***********************************************************/
1664 /* register display */
1665
1666 /* console.c internal use only */
1667 static DisplayState *get_alloc_displaystate(void)
1668 {
1669 if (!display_state) {
1670 display_state = g_new0(DisplayState, 1);
1671 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1672 text_console_update_cursor, NULL);
1673 }
1674 return display_state;
1675 }
1676
1677 /*
1678 * Called by main(), after creating QemuConsoles
1679 * and before initializing ui (sdl/vnc/...).
1680 */
1681 DisplayState *init_displaystate(void)
1682 {
1683 gchar *name;
1684 int i;
1685
1686 get_alloc_displaystate();
1687 for (i = 0; i < nb_consoles; i++) {
1688 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1689 consoles[i]->ds == NULL) {
1690 text_console_do_init(consoles[i]->chr, display_state);
1691 }
1692
1693 /* Hook up into the qom tree here (not in new_console()), once
1694 * all QemuConsoles are created and the order / numbering
1695 * doesn't change any more */
1696 name = g_strdup_printf("console[%d]", i);
1697 object_property_add_child(container_get(object_get_root(), "/backend"),
1698 name, OBJECT(consoles[i]), &error_abort);
1699 g_free(name);
1700 }
1701
1702 return display_state;
1703 }
1704
1705 void graphic_console_set_hwops(QemuConsole *con,
1706 const GraphicHwOps *hw_ops,
1707 void *opaque)
1708 {
1709 con->hw_ops = hw_ops;
1710 con->hw = opaque;
1711 }
1712
1713 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1714 const GraphicHwOps *hw_ops,
1715 void *opaque)
1716 {
1717 static const char noinit[] =
1718 "Guest has not initialized the display (yet).";
1719 int width = 640;
1720 int height = 480;
1721 QemuConsole *s;
1722 DisplayState *ds;
1723
1724 ds = get_alloc_displaystate();
1725 trace_console_gfx_new();
1726 s = new_console(ds, GRAPHIC_CONSOLE, head);
1727 graphic_console_set_hwops(s, hw_ops, opaque);
1728 if (dev) {
1729 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1730 &error_abort);
1731 }
1732
1733 s->surface = qemu_create_message_surface(width, height, noinit);
1734 return s;
1735 }
1736
1737 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1738 {
1739 if (index >= nb_consoles) {
1740 return NULL;
1741 }
1742 return consoles[index];
1743 }
1744
1745 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1746 {
1747 Object *obj;
1748 uint32_t h;
1749 int i;
1750
1751 for (i = 0; i < nb_consoles; i++) {
1752 if (!consoles[i]) {
1753 continue;
1754 }
1755 obj = object_property_get_link(OBJECT(consoles[i]),
1756 "device", &error_abort);
1757 if (DEVICE(obj) != dev) {
1758 continue;
1759 }
1760 h = object_property_get_int(OBJECT(consoles[i]),
1761 "head", &error_abort);
1762 if (h != head) {
1763 continue;
1764 }
1765 return consoles[i];
1766 }
1767 return NULL;
1768 }
1769
1770 bool qemu_console_is_visible(QemuConsole *con)
1771 {
1772 return (con == active_console) || (con->dcls > 0);
1773 }
1774
1775 bool qemu_console_is_graphic(QemuConsole *con)
1776 {
1777 if (con == NULL) {
1778 con = active_console;
1779 }
1780 return con && (con->console_type == GRAPHIC_CONSOLE);
1781 }
1782
1783 bool qemu_console_is_fixedsize(QemuConsole *con)
1784 {
1785 if (con == NULL) {
1786 con = active_console;
1787 }
1788 return con && (con->console_type != TEXT_CONSOLE);
1789 }
1790
1791 int qemu_console_get_index(QemuConsole *con)
1792 {
1793 if (con == NULL) {
1794 con = active_console;
1795 }
1796 return con ? con->index : -1;
1797 }
1798
1799 uint32_t qemu_console_get_head(QemuConsole *con)
1800 {
1801 if (con == NULL) {
1802 con = active_console;
1803 }
1804 return con ? con->head : -1;
1805 }
1806
1807 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
1808 {
1809 assert(con != NULL);
1810 return &con->ui_info;
1811 }
1812
1813 int qemu_console_get_width(QemuConsole *con, int fallback)
1814 {
1815 if (con == NULL) {
1816 con = active_console;
1817 }
1818 return con ? surface_width(con->surface) : fallback;
1819 }
1820
1821 int qemu_console_get_height(QemuConsole *con, int fallback)
1822 {
1823 if (con == NULL) {
1824 con = active_console;
1825 }
1826 return con ? surface_height(con->surface) : fallback;
1827 }
1828
1829 static void text_console_set_echo(CharDriverState *chr, bool echo)
1830 {
1831 QemuConsole *s = chr->opaque;
1832
1833 s->echo = echo;
1834 }
1835
1836 static void text_console_update_cursor_timer(void)
1837 {
1838 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
1839 + CONSOLE_CURSOR_PERIOD / 2);
1840 }
1841
1842 static void text_console_update_cursor(void *opaque)
1843 {
1844 QemuConsole *s;
1845 int i, count = 0;
1846
1847 cursor_visible_phase = !cursor_visible_phase;
1848
1849 for (i = 0; i < nb_consoles; i++) {
1850 s = consoles[i];
1851 if (qemu_console_is_graphic(s) ||
1852 !qemu_console_is_visible(s)) {
1853 continue;
1854 }
1855 count++;
1856 graphic_hw_invalidate(s);
1857 }
1858
1859 if (count) {
1860 text_console_update_cursor_timer();
1861 }
1862 }
1863
1864 static const GraphicHwOps text_console_ops = {
1865 .invalidate = text_console_invalidate,
1866 .text_update = text_console_update,
1867 };
1868
1869 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1870 {
1871 QemuConsole *s;
1872 int g_width = 80 * FONT_WIDTH;
1873 int g_height = 24 * FONT_HEIGHT;
1874
1875 s = chr->opaque;
1876
1877 chr->chr_write = console_puts;
1878
1879 s->out_fifo.buf = s->out_fifo_buf;
1880 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1881 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
1882 s->ds = ds;
1883
1884 s->y_displayed = 0;
1885 s->y_base = 0;
1886 s->total_height = DEFAULT_BACKSCROLL;
1887 s->x = 0;
1888 s->y = 0;
1889 if (!s->surface) {
1890 if (active_console && active_console->surface) {
1891 g_width = surface_width(active_console->surface);
1892 g_height = surface_height(active_console->surface);
1893 }
1894 s->surface = qemu_create_displaysurface(g_width, g_height);
1895 }
1896
1897 s->hw_ops = &text_console_ops;
1898 s->hw = s;
1899
1900 /* Set text attribute defaults */
1901 s->t_attrib_default.bold = 0;
1902 s->t_attrib_default.uline = 0;
1903 s->t_attrib_default.blink = 0;
1904 s->t_attrib_default.invers = 0;
1905 s->t_attrib_default.unvisible = 0;
1906 s->t_attrib_default.fgcol = COLOR_WHITE;
1907 s->t_attrib_default.bgcol = COLOR_BLACK;
1908 /* set current text attributes to default */
1909 s->t_attrib = s->t_attrib_default;
1910 text_console_resize(s);
1911
1912 if (chr->label) {
1913 char msg[128];
1914 int len;
1915
1916 s->t_attrib.bgcol = COLOR_BLUE;
1917 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1918 console_puts(chr, (uint8_t*)msg, len);
1919 s->t_attrib = s->t_attrib_default;
1920 }
1921
1922 qemu_chr_be_generic_open(chr);
1923 if (chr->init)
1924 chr->init(chr);
1925 }
1926
1927 static CharDriverState *text_console_init(ChardevVC *vc)
1928 {
1929 CharDriverState *chr;
1930 QemuConsole *s;
1931 unsigned width = 0;
1932 unsigned height = 0;
1933
1934 chr = qemu_chr_alloc();
1935
1936 if (vc->has_width) {
1937 width = vc->width;
1938 } else if (vc->has_cols) {
1939 width = vc->cols * FONT_WIDTH;
1940 }
1941
1942 if (vc->has_height) {
1943 height = vc->height;
1944 } else if (vc->has_rows) {
1945 height = vc->rows * FONT_HEIGHT;
1946 }
1947
1948 trace_console_txt_new(width, height);
1949 if (width == 0 || height == 0) {
1950 s = new_console(NULL, TEXT_CONSOLE, 0);
1951 } else {
1952 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
1953 s->surface = qemu_create_displaysurface(width, height);
1954 }
1955
1956 if (!s) {
1957 g_free(chr);
1958 return NULL;
1959 }
1960
1961 s->chr = chr;
1962 chr->opaque = s;
1963 chr->chr_set_echo = text_console_set_echo;
1964 /* console/chardev init sometimes completes elsewhere in a 2nd
1965 * stage, so defer OPENED events until they are fully initialized
1966 */
1967 chr->explicit_be_open = true;
1968
1969 if (display_state) {
1970 text_console_do_init(chr, display_state);
1971 }
1972 return chr;
1973 }
1974
1975 static VcHandler *vc_handler = text_console_init;
1976
1977 CharDriverState *vc_init(ChardevVC *vc)
1978 {
1979 return vc_handler(vc);
1980 }
1981
1982 void register_vc_handler(VcHandler *handler)
1983 {
1984 vc_handler = handler;
1985 }
1986
1987 void qemu_console_resize(QemuConsole *s, int width, int height)
1988 {
1989 DisplaySurface *surface;
1990
1991 assert(s->console_type == GRAPHIC_CONSOLE);
1992 surface = qemu_create_displaysurface(width, height);
1993 dpy_gfx_replace_surface(s, surface);
1994 }
1995
1996 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
1997 int dst_x, int dst_y, int w, int h)
1998 {
1999 assert(con->console_type == GRAPHIC_CONSOLE);
2000 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
2001 }
2002
2003 DisplaySurface *qemu_console_surface(QemuConsole *console)
2004 {
2005 return console->surface;
2006 }
2007
2008 PixelFormat qemu_default_pixelformat(int bpp)
2009 {
2010 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2011 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2012 return pf;
2013 }
2014
2015 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
2016 Error **errp)
2017 {
2018 int val;
2019
2020 backend->vc = g_new0(ChardevVC, 1);
2021
2022 val = qemu_opt_get_number(opts, "width", 0);
2023 if (val != 0) {
2024 backend->vc->has_width = true;
2025 backend->vc->width = val;
2026 }
2027
2028 val = qemu_opt_get_number(opts, "height", 0);
2029 if (val != 0) {
2030 backend->vc->has_height = true;
2031 backend->vc->height = val;
2032 }
2033
2034 val = qemu_opt_get_number(opts, "cols", 0);
2035 if (val != 0) {
2036 backend->vc->has_cols = true;
2037 backend->vc->cols = val;
2038 }
2039
2040 val = qemu_opt_get_number(opts, "rows", 0);
2041 if (val != 0) {
2042 backend->vc->has_rows = true;
2043 backend->vc->rows = val;
2044 }
2045 }
2046
2047 static const TypeInfo qemu_console_info = {
2048 .name = TYPE_QEMU_CONSOLE,
2049 .parent = TYPE_OBJECT,
2050 .instance_size = sizeof(QemuConsole),
2051 .class_size = sizeof(QemuConsoleClass),
2052 };
2053
2054
2055 static void register_types(void)
2056 {
2057 type_register_static(&qemu_console_info);
2058 register_char_driver("vc", CHARDEV_BACKEND_KIND_VC, qemu_chr_parse_vc);
2059 }
2060
2061 type_init(register_types);
AR7 emulation for QEMU