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console: rework text terminal cursor logic
[mirror_qemu.git] / ui / console.c
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
32 #define DEFAULT_BACKSCROLL 512
33 #define MAX_CONSOLES 12
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[MAX_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 if (index >= MAX_CONSOLES)
987 return;
988
989 trace_console_select(index);
990 s = qemu_console_lookup_by_index(index);
991 if (s) {
992 DisplayState *ds = s->ds;
993
994 active_console = s;
995 if (ds->have_gfx) {
996 QLIST_FOREACH(dcl, &ds->listeners, next) {
997 if (dcl->con != NULL) {
998 continue;
999 }
1000 if (dcl->ops->dpy_gfx_switch) {
1001 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1002 }
1003 }
1004 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1005 surface_height(s->surface));
1006 }
1007 if (ds->have_text) {
1008 dpy_text_resize(s, s->width, s->height);
1009 }
1010 text_console_update_cursor(NULL);
1011 }
1012 }
1013
1014 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1015 {
1016 QemuConsole *s = chr->opaque;
1017 int i;
1018
1019 s->update_x0 = s->width * FONT_WIDTH;
1020 s->update_y0 = s->height * FONT_HEIGHT;
1021 s->update_x1 = 0;
1022 s->update_y1 = 0;
1023 console_show_cursor(s, 0);
1024 for(i = 0; i < len; i++) {
1025 console_putchar(s, buf[i]);
1026 }
1027 console_show_cursor(s, 1);
1028 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1029 dpy_gfx_update(s, s->update_x0, s->update_y0,
1030 s->update_x1 - s->update_x0,
1031 s->update_y1 - s->update_y0);
1032 }
1033 return len;
1034 }
1035
1036 static void kbd_send_chars(void *opaque)
1037 {
1038 QemuConsole *s = opaque;
1039 int len;
1040 uint8_t buf[16];
1041
1042 len = qemu_chr_be_can_write(s->chr);
1043 if (len > s->out_fifo.count)
1044 len = s->out_fifo.count;
1045 if (len > 0) {
1046 if (len > sizeof(buf))
1047 len = sizeof(buf);
1048 qemu_fifo_read(&s->out_fifo, buf, len);
1049 qemu_chr_be_write(s->chr, buf, len);
1050 }
1051 /* characters are pending: we send them a bit later (XXX:
1052 horrible, should change char device API) */
1053 if (s->out_fifo.count > 0) {
1054 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1055 }
1056 }
1057
1058 /* called when an ascii key is pressed */
1059 void kbd_put_keysym(int keysym)
1060 {
1061 QemuConsole *s;
1062 uint8_t buf[16], *q;
1063 int c;
1064
1065 s = active_console;
1066 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1067 return;
1068
1069 switch(keysym) {
1070 case QEMU_KEY_CTRL_UP:
1071 console_scroll(s, -1);
1072 break;
1073 case QEMU_KEY_CTRL_DOWN:
1074 console_scroll(s, 1);
1075 break;
1076 case QEMU_KEY_CTRL_PAGEUP:
1077 console_scroll(s, -10);
1078 break;
1079 case QEMU_KEY_CTRL_PAGEDOWN:
1080 console_scroll(s, 10);
1081 break;
1082 default:
1083 /* convert the QEMU keysym to VT100 key string */
1084 q = buf;
1085 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1086 *q++ = '\033';
1087 *q++ = '[';
1088 c = keysym - 0xe100;
1089 if (c >= 10)
1090 *q++ = '0' + (c / 10);
1091 *q++ = '0' + (c % 10);
1092 *q++ = '~';
1093 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1094 *q++ = '\033';
1095 *q++ = '[';
1096 *q++ = keysym & 0xff;
1097 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1098 console_puts(s->chr, (const uint8_t *) "\r", 1);
1099 *q++ = '\n';
1100 } else {
1101 *q++ = keysym;
1102 }
1103 if (s->echo) {
1104 console_puts(s->chr, buf, q - buf);
1105 }
1106 if (s->chr->chr_read) {
1107 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1108 kbd_send_chars(s);
1109 }
1110 break;
1111 }
1112 }
1113
1114 static void text_console_invalidate(void *opaque)
1115 {
1116 QemuConsole *s = (QemuConsole *) opaque;
1117
1118 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1119 text_console_resize(s);
1120 }
1121 console_refresh(s);
1122 }
1123
1124 static void text_console_update(void *opaque, console_ch_t *chardata)
1125 {
1126 QemuConsole *s = (QemuConsole *) opaque;
1127 int i, j, src;
1128
1129 if (s->text_x[0] <= s->text_x[1]) {
1130 src = (s->y_base + s->text_y[0]) * s->width;
1131 chardata += s->text_y[0] * s->width;
1132 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1133 for (j = 0; j < s->width; j ++, src ++)
1134 console_write_ch(chardata ++, s->cells[src].ch |
1135 (s->cells[src].t_attrib.fgcol << 12) |
1136 (s->cells[src].t_attrib.bgcol << 8) |
1137 (s->cells[src].t_attrib.bold << 21));
1138 dpy_text_update(s, s->text_x[0], s->text_y[0],
1139 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1140 s->text_x[0] = s->width;
1141 s->text_y[0] = s->height;
1142 s->text_x[1] = 0;
1143 s->text_y[1] = 0;
1144 }
1145 if (s->cursor_invalidate) {
1146 dpy_text_cursor(s, s->x, s->y);
1147 s->cursor_invalidate = 0;
1148 }
1149 }
1150
1151 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1152 uint32_t head)
1153 {
1154 Object *obj;
1155 QemuConsole *s;
1156 int i;
1157
1158 if (nb_consoles >= MAX_CONSOLES)
1159 return NULL;
1160
1161 obj = object_new(TYPE_QEMU_CONSOLE);
1162 s = QEMU_CONSOLE(obj);
1163 s->head = head;
1164 object_property_add_link(obj, "device", TYPE_DEVICE,
1165 (Object **)&s->device,
1166 object_property_allow_set_link,
1167 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1168 &error_abort);
1169 object_property_add_uint32_ptr(obj, "head",
1170 &s->head, &error_abort);
1171
1172 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1173 (console_type == GRAPHIC_CONSOLE))) {
1174 active_console = s;
1175 }
1176 s->ds = ds;
1177 s->console_type = console_type;
1178 if (console_type != GRAPHIC_CONSOLE) {
1179 s->index = nb_consoles;
1180 consoles[nb_consoles++] = s;
1181 } else {
1182 /* HACK: Put graphical consoles before text consoles. */
1183 for (i = nb_consoles; i > 0; i--) {
1184 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1185 break;
1186 consoles[i] = consoles[i - 1];
1187 consoles[i]->index = i;
1188 }
1189 s->index = i;
1190 consoles[i] = s;
1191 nb_consoles++;
1192 }
1193 return s;
1194 }
1195
1196 static void qemu_alloc_display(DisplaySurface *surface, int width, int height,
1197 int linesize, PixelFormat pf, int newflags)
1198 {
1199 surface->pf = pf;
1200
1201 qemu_pixman_image_unref(surface->image);
1202 surface->image = NULL;
1203
1204 surface->format = qemu_pixman_get_format(&pf);
1205 assert(surface->format != 0);
1206 surface->image = pixman_image_create_bits(surface->format,
1207 width, height,
1208 NULL, linesize);
1209 assert(surface->image != NULL);
1210
1211 surface->flags = newflags | QEMU_ALLOCATED_FLAG;
1212 #ifdef HOST_WORDS_BIGENDIAN
1213 surface->flags |= QEMU_BIG_ENDIAN_FLAG;
1214 #endif
1215 }
1216
1217 DisplaySurface *qemu_create_displaysurface(int width, int height)
1218 {
1219 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1220 int linesize = width * 4;
1221
1222 trace_displaysurface_create(surface, width, height);
1223 qemu_alloc_display(surface, width, height, linesize,
1224 qemu_default_pixelformat(32), 0);
1225 return surface;
1226 }
1227
1228 DisplaySurface *qemu_create_displaysurface_from(int width, int height, int bpp,
1229 int linesize, uint8_t *data,
1230 bool byteswap)
1231 {
1232 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1233
1234 trace_displaysurface_create_from(surface, width, height, bpp, byteswap);
1235 if (byteswap) {
1236 surface->pf = qemu_different_endianness_pixelformat(bpp);
1237 } else {
1238 surface->pf = qemu_default_pixelformat(bpp);
1239 }
1240
1241 surface->format = qemu_pixman_get_format(&surface->pf);
1242 assert(surface->format != 0);
1243 surface->image = pixman_image_create_bits(surface->format,
1244 width, height,
1245 (void *)data, linesize);
1246 assert(surface->image != NULL);
1247
1248 #ifdef HOST_WORDS_BIGENDIAN
1249 surface->flags = QEMU_BIG_ENDIAN_FLAG;
1250 #endif
1251
1252 return surface;
1253 }
1254
1255 static DisplaySurface *qemu_create_message_surface(int w, int h,
1256 const char *msg)
1257 {
1258 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1259 pixman_color_t bg = color_table_rgb[0][COLOR_BLACK];
1260 pixman_color_t fg = color_table_rgb[0][COLOR_WHITE];
1261 pixman_image_t *glyph;
1262 int len, x, y, i;
1263
1264 len = strlen(msg);
1265 x = (w / FONT_WIDTH - len) / 2;
1266 y = (h / FONT_HEIGHT - 1) / 2;
1267 for (i = 0; i < len; i++) {
1268 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1269 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1270 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1271 qemu_pixman_image_unref(glyph);
1272 }
1273 return surface;
1274 }
1275
1276 void qemu_free_displaysurface(DisplaySurface *surface)
1277 {
1278 if (surface == NULL) {
1279 return;
1280 }
1281 trace_displaysurface_free(surface);
1282 qemu_pixman_image_unref(surface->image);
1283 g_free(surface);
1284 }
1285
1286 void register_displaychangelistener(DisplayChangeListener *dcl)
1287 {
1288 static const char nodev[] =
1289 "This VM has no graphic display device.";
1290 static DisplaySurface *dummy;
1291 QemuConsole *con;
1292
1293 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1294 dcl->ds = get_alloc_displaystate();
1295 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1296 gui_setup_refresh(dcl->ds);
1297 if (dcl->con) {
1298 dcl->con->dcls++;
1299 con = dcl->con;
1300 } else {
1301 con = active_console;
1302 }
1303 if (dcl->ops->dpy_gfx_switch) {
1304 if (con) {
1305 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1306 } else {
1307 if (!dummy) {
1308 dummy = qemu_create_message_surface(640, 480, nodev);
1309 }
1310 dcl->ops->dpy_gfx_switch(dcl, dummy);
1311 }
1312 }
1313 text_console_update_cursor(NULL);
1314 }
1315
1316 void update_displaychangelistener(DisplayChangeListener *dcl,
1317 uint64_t interval)
1318 {
1319 DisplayState *ds = dcl->ds;
1320
1321 dcl->update_interval = interval;
1322 if (!ds->refreshing && ds->update_interval > interval) {
1323 timer_mod(ds->gui_timer, ds->last_update + interval);
1324 }
1325 }
1326
1327 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1328 {
1329 DisplayState *ds = dcl->ds;
1330 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1331 if (dcl->con) {
1332 dcl->con->dcls--;
1333 }
1334 QLIST_REMOVE(dcl, next);
1335 gui_setup_refresh(ds);
1336 }
1337
1338 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1339 {
1340 assert(con != NULL);
1341 con->ui_info = *info;
1342 if (con->hw_ops->ui_info) {
1343 return con->hw_ops->ui_info(con->hw, con->head, info);
1344 }
1345 return -1;
1346 }
1347
1348 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1349 {
1350 DisplayState *s = con->ds;
1351 DisplayChangeListener *dcl;
1352 int width = surface_width(con->surface);
1353 int height = surface_height(con->surface);
1354
1355 x = MAX(x, 0);
1356 y = MAX(y, 0);
1357 x = MIN(x, width);
1358 y = MIN(y, height);
1359 w = MIN(w, width - x);
1360 h = MIN(h, height - y);
1361
1362 if (!qemu_console_is_visible(con)) {
1363 return;
1364 }
1365 QLIST_FOREACH(dcl, &s->listeners, next) {
1366 if (con != (dcl->con ? dcl->con : active_console)) {
1367 continue;
1368 }
1369 if (dcl->ops->dpy_gfx_update) {
1370 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1371 }
1372 }
1373 }
1374
1375 void dpy_gfx_replace_surface(QemuConsole *con,
1376 DisplaySurface *surface)
1377 {
1378 DisplayState *s = con->ds;
1379 DisplaySurface *old_surface = con->surface;
1380 DisplayChangeListener *dcl;
1381
1382 con->surface = surface;
1383 QLIST_FOREACH(dcl, &s->listeners, next) {
1384 if (con != (dcl->con ? dcl->con : active_console)) {
1385 continue;
1386 }
1387 if (dcl->ops->dpy_gfx_switch) {
1388 dcl->ops->dpy_gfx_switch(dcl, surface);
1389 }
1390 }
1391 qemu_free_displaysurface(old_surface);
1392 }
1393
1394 static void dpy_refresh(DisplayState *s)
1395 {
1396 DisplayChangeListener *dcl;
1397
1398 QLIST_FOREACH(dcl, &s->listeners, next) {
1399 if (dcl->ops->dpy_refresh) {
1400 dcl->ops->dpy_refresh(dcl);
1401 }
1402 }
1403 }
1404
1405 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1406 int dst_x, int dst_y, int w, int h)
1407 {
1408 DisplayState *s = con->ds;
1409 DisplayChangeListener *dcl;
1410
1411 if (!qemu_console_is_visible(con)) {
1412 return;
1413 }
1414 QLIST_FOREACH(dcl, &s->listeners, next) {
1415 if (con != (dcl->con ? dcl->con : active_console)) {
1416 continue;
1417 }
1418 if (dcl->ops->dpy_gfx_copy) {
1419 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1420 } else { /* TODO */
1421 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1422 }
1423 }
1424 }
1425
1426 void dpy_text_cursor(QemuConsole *con, int x, int y)
1427 {
1428 DisplayState *s = con->ds;
1429 DisplayChangeListener *dcl;
1430
1431 if (!qemu_console_is_visible(con)) {
1432 return;
1433 }
1434 QLIST_FOREACH(dcl, &s->listeners, next) {
1435 if (con != (dcl->con ? dcl->con : active_console)) {
1436 continue;
1437 }
1438 if (dcl->ops->dpy_text_cursor) {
1439 dcl->ops->dpy_text_cursor(dcl, x, y);
1440 }
1441 }
1442 }
1443
1444 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1445 {
1446 DisplayState *s = con->ds;
1447 DisplayChangeListener *dcl;
1448
1449 if (!qemu_console_is_visible(con)) {
1450 return;
1451 }
1452 QLIST_FOREACH(dcl, &s->listeners, next) {
1453 if (con != (dcl->con ? dcl->con : active_console)) {
1454 continue;
1455 }
1456 if (dcl->ops->dpy_text_update) {
1457 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1458 }
1459 }
1460 }
1461
1462 void dpy_text_resize(QemuConsole *con, int w, int h)
1463 {
1464 DisplayState *s = con->ds;
1465 struct DisplayChangeListener *dcl;
1466
1467 if (!qemu_console_is_visible(con)) {
1468 return;
1469 }
1470 QLIST_FOREACH(dcl, &s->listeners, next) {
1471 if (con != (dcl->con ? dcl->con : active_console)) {
1472 continue;
1473 }
1474 if (dcl->ops->dpy_text_resize) {
1475 dcl->ops->dpy_text_resize(dcl, w, h);
1476 }
1477 }
1478 }
1479
1480 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1481 {
1482 DisplayState *s = con->ds;
1483 DisplayChangeListener *dcl;
1484
1485 if (!qemu_console_is_visible(con)) {
1486 return;
1487 }
1488 QLIST_FOREACH(dcl, &s->listeners, next) {
1489 if (con != (dcl->con ? dcl->con : active_console)) {
1490 continue;
1491 }
1492 if (dcl->ops->dpy_mouse_set) {
1493 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1494 }
1495 }
1496 }
1497
1498 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1499 {
1500 DisplayState *s = con->ds;
1501 DisplayChangeListener *dcl;
1502
1503 if (!qemu_console_is_visible(con)) {
1504 return;
1505 }
1506 QLIST_FOREACH(dcl, &s->listeners, next) {
1507 if (con != (dcl->con ? dcl->con : active_console)) {
1508 continue;
1509 }
1510 if (dcl->ops->dpy_cursor_define) {
1511 dcl->ops->dpy_cursor_define(dcl, cursor);
1512 }
1513 }
1514 }
1515
1516 bool dpy_cursor_define_supported(QemuConsole *con)
1517 {
1518 DisplayState *s = con->ds;
1519 DisplayChangeListener *dcl;
1520
1521 QLIST_FOREACH(dcl, &s->listeners, next) {
1522 if (dcl->ops->dpy_cursor_define) {
1523 return true;
1524 }
1525 }
1526 return false;
1527 }
1528
1529 /***********************************************************/
1530 /* register display */
1531
1532 /* console.c internal use only */
1533 static DisplayState *get_alloc_displaystate(void)
1534 {
1535 if (!display_state) {
1536 display_state = g_new0(DisplayState, 1);
1537 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1538 text_console_update_cursor, NULL);
1539 }
1540 return display_state;
1541 }
1542
1543 /*
1544 * Called by main(), after creating QemuConsoles
1545 * and before initializing ui (sdl/vnc/...).
1546 */
1547 DisplayState *init_displaystate(void)
1548 {
1549 gchar *name;
1550 int i;
1551
1552 if (!display_state) {
1553 display_state = g_new0(DisplayState, 1);
1554 }
1555
1556 for (i = 0; i < nb_consoles; i++) {
1557 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1558 consoles[i]->ds == NULL) {
1559 text_console_do_init(consoles[i]->chr, display_state);
1560 }
1561
1562 /* Hook up into the qom tree here (not in new_console()), once
1563 * all QemuConsoles are created and the order / numbering
1564 * doesn't change any more */
1565 name = g_strdup_printf("console[%d]", i);
1566 object_property_add_child(container_get(object_get_root(), "/backend"),
1567 name, OBJECT(consoles[i]), &error_abort);
1568 g_free(name);
1569 }
1570
1571 return display_state;
1572 }
1573
1574 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1575 const GraphicHwOps *hw_ops,
1576 void *opaque)
1577 {
1578 static const char noinit[] =
1579 "Guest has not initialized the display (yet).";
1580 int width = 640;
1581 int height = 480;
1582 QemuConsole *s;
1583 DisplayState *ds;
1584
1585 ds = get_alloc_displaystate();
1586 trace_console_gfx_new();
1587 s = new_console(ds, GRAPHIC_CONSOLE, head);
1588 s->hw_ops = hw_ops;
1589 s->hw = opaque;
1590 if (dev) {
1591 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1592 &error_abort);
1593 }
1594
1595 s->surface = qemu_create_message_surface(width, height, noinit);
1596 return s;
1597 }
1598
1599 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1600 {
1601 if (index >= MAX_CONSOLES) {
1602 return NULL;
1603 }
1604 return consoles[index];
1605 }
1606
1607 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1608 {
1609 Object *obj;
1610 uint32_t h;
1611 int i;
1612
1613 for (i = 0; i < nb_consoles; i++) {
1614 if (!consoles[i]) {
1615 continue;
1616 }
1617 obj = object_property_get_link(OBJECT(consoles[i]),
1618 "device", &error_abort);
1619 if (DEVICE(obj) != dev) {
1620 continue;
1621 }
1622 h = object_property_get_int(OBJECT(consoles[i]),
1623 "head", &error_abort);
1624 if (h != head) {
1625 continue;
1626 }
1627 return consoles[i];
1628 }
1629 return NULL;
1630 }
1631
1632 bool qemu_console_is_visible(QemuConsole *con)
1633 {
1634 return (con == active_console) || (con->dcls > 0);
1635 }
1636
1637 bool qemu_console_is_graphic(QemuConsole *con)
1638 {
1639 if (con == NULL) {
1640 con = active_console;
1641 }
1642 return con && (con->console_type == GRAPHIC_CONSOLE);
1643 }
1644
1645 bool qemu_console_is_fixedsize(QemuConsole *con)
1646 {
1647 if (con == NULL) {
1648 con = active_console;
1649 }
1650 return con && (con->console_type != TEXT_CONSOLE);
1651 }
1652
1653 int qemu_console_get_index(QemuConsole *con)
1654 {
1655 if (con == NULL) {
1656 con = active_console;
1657 }
1658 return con ? con->index : -1;
1659 }
1660
1661 uint32_t qemu_console_get_head(QemuConsole *con)
1662 {
1663 if (con == NULL) {
1664 con = active_console;
1665 }
1666 return con ? con->head : -1;
1667 }
1668
1669 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
1670 {
1671 assert(con != NULL);
1672 return &con->ui_info;
1673 }
1674
1675 int qemu_console_get_width(QemuConsole *con, int fallback)
1676 {
1677 if (con == NULL) {
1678 con = active_console;
1679 }
1680 return con ? surface_width(con->surface) : fallback;
1681 }
1682
1683 int qemu_console_get_height(QemuConsole *con, int fallback)
1684 {
1685 if (con == NULL) {
1686 con = active_console;
1687 }
1688 return con ? surface_height(con->surface) : fallback;
1689 }
1690
1691 static void text_console_set_echo(CharDriverState *chr, bool echo)
1692 {
1693 QemuConsole *s = chr->opaque;
1694
1695 s->echo = echo;
1696 }
1697
1698 static void text_console_update_cursor_timer(void)
1699 {
1700 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
1701 + CONSOLE_CURSOR_PERIOD / 2);
1702 }
1703
1704 static void text_console_update_cursor(void *opaque)
1705 {
1706 QemuConsole *s;
1707 int i, count = 0;
1708
1709 cursor_visible_phase = !cursor_visible_phase;
1710
1711 for (i = 0; i < nb_consoles; i++) {
1712 s = consoles[i];
1713 if (qemu_console_is_graphic(s) ||
1714 !qemu_console_is_visible(s)) {
1715 continue;
1716 }
1717 count++;
1718 graphic_hw_invalidate(s);
1719 }
1720
1721 if (count) {
1722 text_console_update_cursor_timer();
1723 }
1724 }
1725
1726 static const GraphicHwOps text_console_ops = {
1727 .invalidate = text_console_invalidate,
1728 .text_update = text_console_update,
1729 };
1730
1731 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1732 {
1733 QemuConsole *s;
1734 int g_width = 80 * FONT_WIDTH;
1735 int g_height = 24 * FONT_HEIGHT;
1736
1737 s = chr->opaque;
1738
1739 chr->chr_write = console_puts;
1740
1741 s->out_fifo.buf = s->out_fifo_buf;
1742 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1743 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
1744 s->ds = ds;
1745
1746 s->y_displayed = 0;
1747 s->y_base = 0;
1748 s->total_height = DEFAULT_BACKSCROLL;
1749 s->x = 0;
1750 s->y = 0;
1751 if (!s->surface) {
1752 if (active_console && active_console->surface) {
1753 g_width = surface_width(active_console->surface);
1754 g_height = surface_height(active_console->surface);
1755 }
1756 s->surface = qemu_create_displaysurface(g_width, g_height);
1757 }
1758
1759 s->hw_ops = &text_console_ops;
1760 s->hw = s;
1761
1762 /* Set text attribute defaults */
1763 s->t_attrib_default.bold = 0;
1764 s->t_attrib_default.uline = 0;
1765 s->t_attrib_default.blink = 0;
1766 s->t_attrib_default.invers = 0;
1767 s->t_attrib_default.unvisible = 0;
1768 s->t_attrib_default.fgcol = COLOR_WHITE;
1769 s->t_attrib_default.bgcol = COLOR_BLACK;
1770 /* set current text attributes to default */
1771 s->t_attrib = s->t_attrib_default;
1772 text_console_resize(s);
1773
1774 if (chr->label) {
1775 char msg[128];
1776 int len;
1777
1778 s->t_attrib.bgcol = COLOR_BLUE;
1779 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1780 console_puts(chr, (uint8_t*)msg, len);
1781 s->t_attrib = s->t_attrib_default;
1782 }
1783
1784 qemu_chr_be_generic_open(chr);
1785 if (chr->init)
1786 chr->init(chr);
1787 }
1788
1789 static CharDriverState *text_console_init(ChardevVC *vc)
1790 {
1791 CharDriverState *chr;
1792 QemuConsole *s;
1793 unsigned width = 0;
1794 unsigned height = 0;
1795
1796 chr = g_malloc0(sizeof(CharDriverState));
1797
1798 if (vc->has_width) {
1799 width = vc->width;
1800 } else if (vc->has_cols) {
1801 width = vc->cols * FONT_WIDTH;
1802 }
1803
1804 if (vc->has_height) {
1805 height = vc->height;
1806 } else if (vc->has_rows) {
1807 height = vc->rows * FONT_HEIGHT;
1808 }
1809
1810 trace_console_txt_new(width, height);
1811 if (width == 0 || height == 0) {
1812 s = new_console(NULL, TEXT_CONSOLE, 0);
1813 } else {
1814 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
1815 s->surface = qemu_create_displaysurface(width, height);
1816 }
1817
1818 if (!s) {
1819 g_free(chr);
1820 return NULL;
1821 }
1822
1823 s->chr = chr;
1824 chr->opaque = s;
1825 chr->chr_set_echo = text_console_set_echo;
1826 /* console/chardev init sometimes completes elsewhere in a 2nd
1827 * stage, so defer OPENED events until they are fully initialized
1828 */
1829 chr->explicit_be_open = true;
1830
1831 if (display_state) {
1832 text_console_do_init(chr, display_state);
1833 }
1834 return chr;
1835 }
1836
1837 static VcHandler *vc_handler = text_console_init;
1838
1839 CharDriverState *vc_init(ChardevVC *vc)
1840 {
1841 return vc_handler(vc);
1842 }
1843
1844 void register_vc_handler(VcHandler *handler)
1845 {
1846 vc_handler = handler;
1847 }
1848
1849 void qemu_console_resize(QemuConsole *s, int width, int height)
1850 {
1851 DisplaySurface *surface;
1852
1853 assert(s->console_type == GRAPHIC_CONSOLE);
1854 surface = qemu_create_displaysurface(width, height);
1855 dpy_gfx_replace_surface(s, surface);
1856 }
1857
1858 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
1859 int dst_x, int dst_y, int w, int h)
1860 {
1861 assert(con->console_type == GRAPHIC_CONSOLE);
1862 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
1863 }
1864
1865 DisplaySurface *qemu_console_surface(QemuConsole *console)
1866 {
1867 return console->surface;
1868 }
1869
1870 DisplayState *qemu_console_displaystate(QemuConsole *console)
1871 {
1872 return console->ds;
1873 }
1874
1875 PixelFormat qemu_different_endianness_pixelformat(int bpp)
1876 {
1877 PixelFormat pf;
1878
1879 memset(&pf, 0x00, sizeof(PixelFormat));
1880
1881 pf.bits_per_pixel = bpp;
1882 pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1883 pf.depth = bpp == 32 ? 24 : bpp;
1884
1885 switch (bpp) {
1886 case 24:
1887 pf.rmask = 0x000000FF;
1888 pf.gmask = 0x0000FF00;
1889 pf.bmask = 0x00FF0000;
1890 pf.rmax = 255;
1891 pf.gmax = 255;
1892 pf.bmax = 255;
1893 pf.rshift = 0;
1894 pf.gshift = 8;
1895 pf.bshift = 16;
1896 pf.rbits = 8;
1897 pf.gbits = 8;
1898 pf.bbits = 8;
1899 break;
1900 case 32:
1901 pf.rmask = 0x0000FF00;
1902 pf.gmask = 0x00FF0000;
1903 pf.bmask = 0xFF000000;
1904 pf.amask = 0x00000000;
1905 pf.amax = 255;
1906 pf.rmax = 255;
1907 pf.gmax = 255;
1908 pf.bmax = 255;
1909 pf.ashift = 0;
1910 pf.rshift = 8;
1911 pf.gshift = 16;
1912 pf.bshift = 24;
1913 pf.rbits = 8;
1914 pf.gbits = 8;
1915 pf.bbits = 8;
1916 pf.abits = 8;
1917 break;
1918 default:
1919 break;
1920 }
1921 return pf;
1922 }
1923
1924 PixelFormat qemu_default_pixelformat(int bpp)
1925 {
1926 PixelFormat pf;
1927
1928 memset(&pf, 0x00, sizeof(PixelFormat));
1929
1930 pf.bits_per_pixel = bpp;
1931 pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1932 pf.depth = bpp == 32 ? 24 : bpp;
1933
1934 switch (bpp) {
1935 case 15:
1936 pf.bits_per_pixel = 16;
1937 pf.rmask = 0x00007c00;
1938 pf.gmask = 0x000003E0;
1939 pf.bmask = 0x0000001F;
1940 pf.rmax = 31;
1941 pf.gmax = 31;
1942 pf.bmax = 31;
1943 pf.rshift = 10;
1944 pf.gshift = 5;
1945 pf.bshift = 0;
1946 pf.rbits = 5;
1947 pf.gbits = 5;
1948 pf.bbits = 5;
1949 break;
1950 case 16:
1951 pf.rmask = 0x0000F800;
1952 pf.gmask = 0x000007E0;
1953 pf.bmask = 0x0000001F;
1954 pf.rmax = 31;
1955 pf.gmax = 63;
1956 pf.bmax = 31;
1957 pf.rshift = 11;
1958 pf.gshift = 5;
1959 pf.bshift = 0;
1960 pf.rbits = 5;
1961 pf.gbits = 6;
1962 pf.bbits = 5;
1963 break;
1964 case 24:
1965 pf.rmask = 0x00FF0000;
1966 pf.gmask = 0x0000FF00;
1967 pf.bmask = 0x000000FF;
1968 pf.rmax = 255;
1969 pf.gmax = 255;
1970 pf.bmax = 255;
1971 pf.rshift = 16;
1972 pf.gshift = 8;
1973 pf.bshift = 0;
1974 pf.rbits = 8;
1975 pf.gbits = 8;
1976 pf.bbits = 8;
1977 break;
1978 case 32:
1979 pf.rmask = 0x00FF0000;
1980 pf.gmask = 0x0000FF00;
1981 pf.bmask = 0x000000FF;
1982 pf.rmax = 255;
1983 pf.gmax = 255;
1984 pf.bmax = 255;
1985 pf.rshift = 16;
1986 pf.gshift = 8;
1987 pf.bshift = 0;
1988 pf.rbits = 8;
1989 pf.gbits = 8;
1990 pf.bbits = 8;
1991 break;
1992 default:
1993 break;
1994 }
1995 return pf;
1996 }
1997
1998 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
1999 Error **errp)
2000 {
2001 int val;
2002
2003 backend->vc = g_new0(ChardevVC, 1);
2004
2005 val = qemu_opt_get_number(opts, "width", 0);
2006 if (val != 0) {
2007 backend->vc->has_width = true;
2008 backend->vc->width = val;
2009 }
2010
2011 val = qemu_opt_get_number(opts, "height", 0);
2012 if (val != 0) {
2013 backend->vc->has_height = true;
2014 backend->vc->height = val;
2015 }
2016
2017 val = qemu_opt_get_number(opts, "cols", 0);
2018 if (val != 0) {
2019 backend->vc->has_cols = true;
2020 backend->vc->cols = val;
2021 }
2022
2023 val = qemu_opt_get_number(opts, "rows", 0);
2024 if (val != 0) {
2025 backend->vc->has_rows = true;
2026 backend->vc->rows = val;
2027 }
2028 }
2029
2030 static const TypeInfo qemu_console_info = {
2031 .name = TYPE_QEMU_CONSOLE,
2032 .parent = TYPE_OBJECT,
2033 .instance_size = sizeof(QemuConsole),
2034 .class_size = sizeof(QemuConsoleClass),
2035 };
2036
2037
2038 static void register_types(void)
2039 {
2040 type_register_static(&qemu_console_info);
2041 register_char_driver_qapi("vc", CHARDEV_BACKEND_KIND_VC,
2042 qemu_chr_parse_vc);
2043 }
2044
2045 type_init(register_types);
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