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virtio: combine write of an entry into used ring
[qemu.git] / ui / console.c
blob791b4fcea2c95cb787ed090b04cc4de8725304a4
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 DisplayChangeListener *gl;
125
126 /* Graphic console state. */
127 Object *device;
128 uint32_t head;
129 QemuUIInfo ui_info;
130 QEMUTimer *ui_timer;
131 const GraphicHwOps *hw_ops;
132 void *hw;
133
134 /* Text console state */
135 int width;
136 int height;
137 int total_height;
138 int backscroll_height;
139 int x, y;
140 int x_saved, y_saved;
141 int y_displayed;
142 int y_base;
143 TextAttributes t_attrib_default; /* default text attributes */
144 TextAttributes t_attrib; /* currently active text attributes */
145 TextCell *cells;
146 int text_x[2], text_y[2], cursor_invalidate;
147 int echo;
148
149 int update_x0;
150 int update_y0;
151 int update_x1;
152 int update_y1;
153
154 enum TTYState state;
155 int esc_params[MAX_ESC_PARAMS];
156 int nb_esc_params;
157
158 CharDriverState *chr;
159 /* fifo for key pressed */
160 QEMUFIFO out_fifo;
161 uint8_t out_fifo_buf[16];
162 QEMUTimer *kbd_timer;
163 };
164
165 struct DisplayState {
166 QEMUTimer *gui_timer;
167 uint64_t last_update;
168 uint64_t update_interval;
169 bool refreshing;
170 bool have_gfx;
171 bool have_text;
172
173 QLIST_HEAD(, DisplayChangeListener) listeners;
174 };
175
176 static DisplayState *display_state;
177 static QemuConsole *active_console;
178 static QemuConsole **consoles;
179 static int nb_consoles = 0;
180 static bool cursor_visible_phase;
181 static QEMUTimer *cursor_timer;
182
183 static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
184 static void dpy_refresh(DisplayState *s);
185 static DisplayState *get_alloc_displaystate(void);
186 static void text_console_update_cursor_timer(void);
187 static void text_console_update_cursor(void *opaque);
188
189 static void gui_update(void *opaque)
190 {
191 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
192 uint64_t dcl_interval;
193 DisplayState *ds = opaque;
194 DisplayChangeListener *dcl;
195 int i;
196
197 ds->refreshing = true;
198 dpy_refresh(ds);
199 ds->refreshing = false;
200
201 QLIST_FOREACH(dcl, &ds->listeners, next) {
202 dcl_interval = dcl->update_interval ?
203 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
204 if (interval > dcl_interval) {
205 interval = dcl_interval;
206 }
207 }
208 if (ds->update_interval != interval) {
209 ds->update_interval = interval;
210 for (i = 0; i < nb_consoles; i++) {
211 if (consoles[i]->hw_ops->update_interval) {
212 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
213 }
214 }
215 trace_console_refresh(interval);
216 }
217 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
218 timer_mod(ds->gui_timer, ds->last_update + interval);
219 }
220
221 static void gui_setup_refresh(DisplayState *ds)
222 {
223 DisplayChangeListener *dcl;
224 bool need_timer = false;
225 bool have_gfx = false;
226 bool have_text = false;
227
228 QLIST_FOREACH(dcl, &ds->listeners, next) {
229 if (dcl->ops->dpy_refresh != NULL) {
230 need_timer = true;
231 }
232 if (dcl->ops->dpy_gfx_update != NULL) {
233 have_gfx = true;
234 }
235 if (dcl->ops->dpy_text_update != NULL) {
236 have_text = true;
237 }
238 }
239
240 if (need_timer && ds->gui_timer == NULL) {
241 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
242 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
243 }
244 if (!need_timer && ds->gui_timer != NULL) {
245 timer_del(ds->gui_timer);
246 timer_free(ds->gui_timer);
247 ds->gui_timer = NULL;
248 }
249
250 ds->have_gfx = have_gfx;
251 ds->have_text = have_text;
252 }
253
254 void graphic_hw_update(QemuConsole *con)
255 {
256 if (!con) {
257 con = active_console;
258 }
259 if (con && con->hw_ops->gfx_update) {
260 con->hw_ops->gfx_update(con->hw);
261 }
262 }
263
264 void graphic_hw_gl_block(QemuConsole *con, bool block)
265 {
266 if (!con) {
267 con = active_console;
268 }
269 if (con && con->hw_ops->gl_block) {
270 con->hw_ops->gl_block(con->hw, block);
271 }
272 }
273
274 void graphic_hw_invalidate(QemuConsole *con)
275 {
276 if (!con) {
277 con = active_console;
278 }
279 if (con && con->hw_ops->invalidate) {
280 con->hw_ops->invalidate(con->hw);
281 }
282 }
283
284 static void ppm_save(const char *filename, DisplaySurface *ds,
285 Error **errp)
286 {
287 int width = pixman_image_get_width(ds->image);
288 int height = pixman_image_get_height(ds->image);
289 int fd;
290 FILE *f;
291 int y;
292 int ret;
293 pixman_image_t *linebuf;
294
295 trace_ppm_save(filename, ds);
296 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
297 if (fd == -1) {
298 error_setg(errp, "failed to open file '%s': %s", filename,
299 strerror(errno));
300 return;
301 }
302 f = fdopen(fd, "wb");
303 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
304 if (ret < 0) {
305 linebuf = NULL;
306 goto write_err;
307 }
308 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
309 for (y = 0; y < height; y++) {
310 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
311 clearerr(f);
312 ret = fwrite(pixman_image_get_data(linebuf), 1,
313 pixman_image_get_stride(linebuf), f);
314 (void)ret;
315 if (ferror(f)) {
316 goto write_err;
317 }
318 }
319
320 out:
321 qemu_pixman_image_unref(linebuf);
322 fclose(f);
323 return;
324
325 write_err:
326 error_setg(errp, "failed to write to file '%s': %s", filename,
327 strerror(errno));
328 unlink(filename);
329 goto out;
330 }
331
332 void qmp_screendump(const char *filename, Error **errp)
333 {
334 QemuConsole *con = qemu_console_lookup_by_index(0);
335 DisplaySurface *surface;
336
337 if (con == NULL) {
338 error_setg(errp, "There is no QemuConsole I can screendump from.");
339 return;
340 }
341
342 graphic_hw_update(con);
343 surface = qemu_console_surface(con);
344 ppm_save(filename, surface, errp);
345 }
346
347 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
348 {
349 if (!con) {
350 con = active_console;
351 }
352 if (con && con->hw_ops->text_update) {
353 con->hw_ops->text_update(con->hw, chardata);
354 }
355 }
356
357 static void vga_fill_rect(QemuConsole *con,
358 int posx, int posy, int width, int height,
359 pixman_color_t color)
360 {
361 DisplaySurface *surface = qemu_console_surface(con);
362 pixman_rectangle16_t rect = {
363 .x = posx, .y = posy, .width = width, .height = height
364 };
365
366 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
367 &color, 1, &rect);
368 }
369
370 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
371 static void vga_bitblt(QemuConsole *con,
372 int xs, int ys, int xd, int yd, int w, int h)
373 {
374 DisplaySurface *surface = qemu_console_surface(con);
375
376 pixman_image_composite(PIXMAN_OP_SRC,
377 surface->image, NULL, surface->image,
378 xs, ys, 0, 0, xd, yd, w, h);
379 }
380
381 /***********************************************************/
382 /* basic char display */
383
384 #define FONT_HEIGHT 16
385 #define FONT_WIDTH 8
386
387 #include "vgafont.h"
388
389 #define QEMU_RGB(r, g, b) \
390 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
391
392 static const pixman_color_t color_table_rgb[2][8] = {
393 { /* dark */
394 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
395 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
396 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
397 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
398 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
399 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
400 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
401 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
402 },
403 { /* bright */
404 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
405 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
406 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
407 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
408 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
409 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
410 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
411 [QEMU_COLOR_WHITE] = QEMU_RGB(0xff, 0xff, 0xff), /* white */
412 }
413 };
414
415 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
416 TextAttributes *t_attrib)
417 {
418 static pixman_image_t *glyphs[256];
419 DisplaySurface *surface = qemu_console_surface(s);
420 pixman_color_t fgcol, bgcol;
421
422 if (t_attrib->invers) {
423 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
424 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
425 } else {
426 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
427 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
428 }
429
430 if (!glyphs[ch]) {
431 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
432 }
433 qemu_pixman_glyph_render(glyphs[ch], surface->image,
434 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
435 }
436
437 static void text_console_resize(QemuConsole *s)
438 {
439 TextCell *cells, *c, *c1;
440 int w1, x, y, last_width;
441
442 last_width = s->width;
443 s->width = surface_width(s->surface) / FONT_WIDTH;
444 s->height = surface_height(s->surface) / FONT_HEIGHT;
445
446 w1 = last_width;
447 if (s->width < w1)
448 w1 = s->width;
449
450 cells = g_new(TextCell, s->width * s->total_height);
451 for(y = 0; y < s->total_height; y++) {
452 c = &cells[y * s->width];
453 if (w1 > 0) {
454 c1 = &s->cells[y * last_width];
455 for(x = 0; x < w1; x++) {
456 *c++ = *c1++;
457 }
458 }
459 for(x = w1; x < s->width; x++) {
460 c->ch = ' ';
461 c->t_attrib = s->t_attrib_default;
462 c++;
463 }
464 }
465 g_free(s->cells);
466 s->cells = cells;
467 }
468
469 static inline void text_update_xy(QemuConsole *s, int x, int y)
470 {
471 s->text_x[0] = MIN(s->text_x[0], x);
472 s->text_x[1] = MAX(s->text_x[1], x);
473 s->text_y[0] = MIN(s->text_y[0], y);
474 s->text_y[1] = MAX(s->text_y[1], y);
475 }
476
477 static void invalidate_xy(QemuConsole *s, int x, int y)
478 {
479 if (!qemu_console_is_visible(s)) {
480 return;
481 }
482 if (s->update_x0 > x * FONT_WIDTH)
483 s->update_x0 = x * FONT_WIDTH;
484 if (s->update_y0 > y * FONT_HEIGHT)
485 s->update_y0 = y * FONT_HEIGHT;
486 if (s->update_x1 < (x + 1) * FONT_WIDTH)
487 s->update_x1 = (x + 1) * FONT_WIDTH;
488 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
489 s->update_y1 = (y + 1) * FONT_HEIGHT;
490 }
491
492 static void update_xy(QemuConsole *s, int x, int y)
493 {
494 TextCell *c;
495 int y1, y2;
496
497 if (s->ds->have_text) {
498 text_update_xy(s, x, y);
499 }
500
501 y1 = (s->y_base + y) % s->total_height;
502 y2 = y1 - s->y_displayed;
503 if (y2 < 0) {
504 y2 += s->total_height;
505 }
506 if (y2 < s->height) {
507 c = &s->cells[y1 * s->width + x];
508 vga_putcharxy(s, x, y2, c->ch,
509 &(c->t_attrib));
510 invalidate_xy(s, x, y2);
511 }
512 }
513
514 static void console_show_cursor(QemuConsole *s, int show)
515 {
516 TextCell *c;
517 int y, y1;
518 int x = s->x;
519
520 if (s->ds->have_text) {
521 s->cursor_invalidate = 1;
522 }
523
524 if (x >= s->width) {
525 x = s->width - 1;
526 }
527 y1 = (s->y_base + s->y) % s->total_height;
528 y = y1 - s->y_displayed;
529 if (y < 0) {
530 y += s->total_height;
531 }
532 if (y < s->height) {
533 c = &s->cells[y1 * s->width + x];
534 if (show && cursor_visible_phase) {
535 TextAttributes t_attrib = s->t_attrib_default;
536 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
537 vga_putcharxy(s, x, y, c->ch, &t_attrib);
538 } else {
539 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
540 }
541 invalidate_xy(s, x, y);
542 }
543 }
544
545 static void console_refresh(QemuConsole *s)
546 {
547 DisplaySurface *surface = qemu_console_surface(s);
548 TextCell *c;
549 int x, y, y1;
550
551 if (s->ds->have_text) {
552 s->text_x[0] = 0;
553 s->text_y[0] = 0;
554 s->text_x[1] = s->width - 1;
555 s->text_y[1] = s->height - 1;
556 s->cursor_invalidate = 1;
557 }
558
559 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
560 color_table_rgb[0][QEMU_COLOR_BLACK]);
561 y1 = s->y_displayed;
562 for (y = 0; y < s->height; y++) {
563 c = s->cells + y1 * s->width;
564 for (x = 0; x < s->width; x++) {
565 vga_putcharxy(s, x, y, c->ch,
566 &(c->t_attrib));
567 c++;
568 }
569 if (++y1 == s->total_height) {
570 y1 = 0;
571 }
572 }
573 console_show_cursor(s, 1);
574 dpy_gfx_update(s, 0, 0,
575 surface_width(surface), surface_height(surface));
576 }
577
578 static void console_scroll(QemuConsole *s, int ydelta)
579 {
580 int i, y1;
581
582 if (ydelta > 0) {
583 for(i = 0; i < ydelta; i++) {
584 if (s->y_displayed == s->y_base)
585 break;
586 if (++s->y_displayed == s->total_height)
587 s->y_displayed = 0;
588 }
589 } else {
590 ydelta = -ydelta;
591 i = s->backscroll_height;
592 if (i > s->total_height - s->height)
593 i = s->total_height - s->height;
594 y1 = s->y_base - i;
595 if (y1 < 0)
596 y1 += s->total_height;
597 for(i = 0; i < ydelta; i++) {
598 if (s->y_displayed == y1)
599 break;
600 if (--s->y_displayed < 0)
601 s->y_displayed = s->total_height - 1;
602 }
603 }
604 console_refresh(s);
605 }
606
607 static void console_put_lf(QemuConsole *s)
608 {
609 TextCell *c;
610 int x, y1;
611
612 s->y++;
613 if (s->y >= s->height) {
614 s->y = s->height - 1;
615
616 if (s->y_displayed == s->y_base) {
617 if (++s->y_displayed == s->total_height)
618 s->y_displayed = 0;
619 }
620 if (++s->y_base == s->total_height)
621 s->y_base = 0;
622 if (s->backscroll_height < s->total_height)
623 s->backscroll_height++;
624 y1 = (s->y_base + s->height - 1) % s->total_height;
625 c = &s->cells[y1 * s->width];
626 for(x = 0; x < s->width; x++) {
627 c->ch = ' ';
628 c->t_attrib = s->t_attrib_default;
629 c++;
630 }
631 if (s->y_displayed == s->y_base) {
632 if (s->ds->have_text) {
633 s->text_x[0] = 0;
634 s->text_y[0] = 0;
635 s->text_x[1] = s->width - 1;
636 s->text_y[1] = s->height - 1;
637 }
638
639 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
640 s->width * FONT_WIDTH,
641 (s->height - 1) * FONT_HEIGHT);
642 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
643 s->width * FONT_WIDTH, FONT_HEIGHT,
644 color_table_rgb[0][s->t_attrib_default.bgcol]);
645 s->update_x0 = 0;
646 s->update_y0 = 0;
647 s->update_x1 = s->width * FONT_WIDTH;
648 s->update_y1 = s->height * FONT_HEIGHT;
649 }
650 }
651 }
652
653 /* Set console attributes depending on the current escape codes.
654 * NOTE: I know this code is not very efficient (checking every color for it
655 * self) but it is more readable and better maintainable.
656 */
657 static void console_handle_escape(QemuConsole *s)
658 {
659 int i;
660
661 for (i=0; i<s->nb_esc_params; i++) {
662 switch (s->esc_params[i]) {
663 case 0: /* reset all console attributes to default */
664 s->t_attrib = s->t_attrib_default;
665 break;
666 case 1:
667 s->t_attrib.bold = 1;
668 break;
669 case 4:
670 s->t_attrib.uline = 1;
671 break;
672 case 5:
673 s->t_attrib.blink = 1;
674 break;
675 case 7:
676 s->t_attrib.invers = 1;
677 break;
678 case 8:
679 s->t_attrib.unvisible = 1;
680 break;
681 case 22:
682 s->t_attrib.bold = 0;
683 break;
684 case 24:
685 s->t_attrib.uline = 0;
686 break;
687 case 25:
688 s->t_attrib.blink = 0;
689 break;
690 case 27:
691 s->t_attrib.invers = 0;
692 break;
693 case 28:
694 s->t_attrib.unvisible = 0;
695 break;
696 /* set foreground color */
697 case 30:
698 s->t_attrib.fgcol = QEMU_COLOR_BLACK;
699 break;
700 case 31:
701 s->t_attrib.fgcol = QEMU_COLOR_RED;
702 break;
703 case 32:
704 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
705 break;
706 case 33:
707 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
708 break;
709 case 34:
710 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
711 break;
712 case 35:
713 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
714 break;
715 case 36:
716 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
717 break;
718 case 37:
719 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
720 break;
721 /* set background color */
722 case 40:
723 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
724 break;
725 case 41:
726 s->t_attrib.bgcol = QEMU_COLOR_RED;
727 break;
728 case 42:
729 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
730 break;
731 case 43:
732 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
733 break;
734 case 44:
735 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
736 break;
737 case 45:
738 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
739 break;
740 case 46:
741 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
742 break;
743 case 47:
744 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
745 break;
746 }
747 }
748 }
749
750 static void console_clear_xy(QemuConsole *s, int x, int y)
751 {
752 int y1 = (s->y_base + y) % s->total_height;
753 TextCell *c = &s->cells[y1 * s->width + x];
754 c->ch = ' ';
755 c->t_attrib = s->t_attrib_default;
756 update_xy(s, x, y);
757 }
758
759 /* set cursor, checking bounds */
760 static void set_cursor(QemuConsole *s, int x, int y)
761 {
762 if (x < 0) {
763 x = 0;
764 }
765 if (y < 0) {
766 y = 0;
767 }
768 if (y >= s->height) {
769 y = s->height - 1;
770 }
771 if (x >= s->width) {
772 x = s->width - 1;
773 }
774
775 s->x = x;
776 s->y = y;
777 }
778
779 static void console_putchar(QemuConsole *s, int ch)
780 {
781 TextCell *c;
782 int y1, i;
783 int x, y;
784
785 switch(s->state) {
786 case TTY_STATE_NORM:
787 switch(ch) {
788 case '\r': /* carriage return */
789 s->x = 0;
790 break;
791 case '\n': /* newline */
792 console_put_lf(s);
793 break;
794 case '\b': /* backspace */
795 if (s->x > 0)
796 s->x--;
797 break;
798 case '\t': /* tabspace */
799 if (s->x + (8 - (s->x % 8)) > s->width) {
800 s->x = 0;
801 console_put_lf(s);
802 } else {
803 s->x = s->x + (8 - (s->x % 8));
804 }
805 break;
806 case '\a': /* alert aka. bell */
807 /* TODO: has to be implemented */
808 break;
809 case 14:
810 /* SI (shift in), character set 0 (ignored) */
811 break;
812 case 15:
813 /* SO (shift out), character set 1 (ignored) */
814 break;
815 case 27: /* esc (introducing an escape sequence) */
816 s->state = TTY_STATE_ESC;
817 break;
818 default:
819 if (s->x >= s->width) {
820 /* line wrap */
821 s->x = 0;
822 console_put_lf(s);
823 }
824 y1 = (s->y_base + s->y) % s->total_height;
825 c = &s->cells[y1 * s->width + s->x];
826 c->ch = ch;
827 c->t_attrib = s->t_attrib;
828 update_xy(s, s->x, s->y);
829 s->x++;
830 break;
831 }
832 break;
833 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
834 if (ch == '[') {
835 for(i=0;i<MAX_ESC_PARAMS;i++)
836 s->esc_params[i] = 0;
837 s->nb_esc_params = 0;
838 s->state = TTY_STATE_CSI;
839 } else {
840 s->state = TTY_STATE_NORM;
841 }
842 break;
843 case TTY_STATE_CSI: /* handle escape sequence parameters */
844 if (ch >= '0' && ch <= '9') {
845 if (s->nb_esc_params < MAX_ESC_PARAMS) {
846 int *param = &s->esc_params[s->nb_esc_params];
847 int digit = (ch - '0');
848
849 *param = (*param <= (INT_MAX - digit) / 10) ?
850 *param * 10 + digit : INT_MAX;
851 }
852 } else {
853 if (s->nb_esc_params < MAX_ESC_PARAMS)
854 s->nb_esc_params++;
855 if (ch == ';')
856 break;
857 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
858 ch, s->nb_esc_params);
859 s->state = TTY_STATE_NORM;
860 switch(ch) {
861 case 'A':
862 /* move cursor up */
863 if (s->esc_params[0] == 0) {
864 s->esc_params[0] = 1;
865 }
866 set_cursor(s, s->x, s->y - s->esc_params[0]);
867 break;
868 case 'B':
869 /* move cursor down */
870 if (s->esc_params[0] == 0) {
871 s->esc_params[0] = 1;
872 }
873 set_cursor(s, s->x, s->y + s->esc_params[0]);
874 break;
875 case 'C':
876 /* move cursor right */
877 if (s->esc_params[0] == 0) {
878 s->esc_params[0] = 1;
879 }
880 set_cursor(s, s->x + s->esc_params[0], s->y);
881 break;
882 case 'D':
883 /* move cursor left */
884 if (s->esc_params[0] == 0) {
885 s->esc_params[0] = 1;
886 }
887 set_cursor(s, s->x - s->esc_params[0], s->y);
888 break;
889 case 'G':
890 /* move cursor to column */
891 set_cursor(s, s->esc_params[0] - 1, s->y);
892 break;
893 case 'f':
894 case 'H':
895 /* move cursor to row, column */
896 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
897 break;
898 case 'J':
899 switch (s->esc_params[0]) {
900 case 0:
901 /* clear to end of screen */
902 for (y = s->y; y < s->height; y++) {
903 for (x = 0; x < s->width; x++) {
904 if (y == s->y && x < s->x) {
905 continue;
906 }
907 console_clear_xy(s, x, y);
908 }
909 }
910 break;
911 case 1:
912 /* clear from beginning of screen */
913 for (y = 0; y <= s->y; y++) {
914 for (x = 0; x < s->width; x++) {
915 if (y == s->y && x > s->x) {
916 break;
917 }
918 console_clear_xy(s, x, y);
919 }
920 }
921 break;
922 case 2:
923 /* clear entire screen */
924 for (y = 0; y <= s->height; y++) {
925 for (x = 0; x < s->width; x++) {
926 console_clear_xy(s, x, y);
927 }
928 }
929 break;
930 }
931 break;
932 case 'K':
933 switch (s->esc_params[0]) {
934 case 0:
935 /* clear to eol */
936 for(x = s->x; x < s->width; x++) {
937 console_clear_xy(s, x, s->y);
938 }
939 break;
940 case 1:
941 /* clear from beginning of line */
942 for (x = 0; x <= s->x; x++) {
943 console_clear_xy(s, x, s->y);
944 }
945 break;
946 case 2:
947 /* clear entire line */
948 for(x = 0; x < s->width; x++) {
949 console_clear_xy(s, x, s->y);
950 }
951 break;
952 }
953 break;
954 case 'm':
955 console_handle_escape(s);
956 break;
957 case 'n':
958 /* report cursor position */
959 /* TODO: send ESC[row;colR */
960 break;
961 case 's':
962 /* save cursor position */
963 s->x_saved = s->x;
964 s->y_saved = s->y;
965 break;
966 case 'u':
967 /* restore cursor position */
968 s->x = s->x_saved;
969 s->y = s->y_saved;
970 break;
971 default:
972 trace_console_putchar_unhandled(ch);
973 break;
974 }
975 break;
976 }
977 }
978 }
979
980 void console_select(unsigned int index)
981 {
982 DisplayChangeListener *dcl;
983 QemuConsole *s;
984
985 trace_console_select(index);
986 s = qemu_console_lookup_by_index(index);
987 if (s) {
988 DisplayState *ds = s->ds;
989
990 active_console = s;
991 if (ds->have_gfx) {
992 QLIST_FOREACH(dcl, &ds->listeners, next) {
993 if (dcl->con != NULL) {
994 continue;
995 }
996 if (dcl->ops->dpy_gfx_switch) {
997 dcl->ops->dpy_gfx_switch(dcl, s->surface);
998 }
999 }
1000 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1001 surface_height(s->surface));
1002 }
1003 if (ds->have_text) {
1004 dpy_text_resize(s, s->width, s->height);
1005 }
1006 text_console_update_cursor(NULL);
1007 }
1008 }
1009
1010 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1011 {
1012 QemuConsole *s = chr->opaque;
1013 int i;
1014
1015 s->update_x0 = s->width * FONT_WIDTH;
1016 s->update_y0 = s->height * FONT_HEIGHT;
1017 s->update_x1 = 0;
1018 s->update_y1 = 0;
1019 console_show_cursor(s, 0);
1020 for(i = 0; i < len; i++) {
1021 console_putchar(s, buf[i]);
1022 }
1023 console_show_cursor(s, 1);
1024 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1025 dpy_gfx_update(s, s->update_x0, s->update_y0,
1026 s->update_x1 - s->update_x0,
1027 s->update_y1 - s->update_y0);
1028 }
1029 return len;
1030 }
1031
1032 static void kbd_send_chars(void *opaque)
1033 {
1034 QemuConsole *s = opaque;
1035 int len;
1036 uint8_t buf[16];
1037
1038 len = qemu_chr_be_can_write(s->chr);
1039 if (len > s->out_fifo.count)
1040 len = s->out_fifo.count;
1041 if (len > 0) {
1042 if (len > sizeof(buf))
1043 len = sizeof(buf);
1044 qemu_fifo_read(&s->out_fifo, buf, len);
1045 qemu_chr_be_write(s->chr, buf, len);
1046 }
1047 /* characters are pending: we send them a bit later (XXX:
1048 horrible, should change char device API) */
1049 if (s->out_fifo.count > 0) {
1050 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1051 }
1052 }
1053
1054 /* called when an ascii key is pressed */
1055 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1056 {
1057 uint8_t buf[16], *q;
1058 int c;
1059
1060 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1061 return;
1062
1063 switch(keysym) {
1064 case QEMU_KEY_CTRL_UP:
1065 console_scroll(s, -1);
1066 break;
1067 case QEMU_KEY_CTRL_DOWN:
1068 console_scroll(s, 1);
1069 break;
1070 case QEMU_KEY_CTRL_PAGEUP:
1071 console_scroll(s, -10);
1072 break;
1073 case QEMU_KEY_CTRL_PAGEDOWN:
1074 console_scroll(s, 10);
1075 break;
1076 default:
1077 /* convert the QEMU keysym to VT100 key string */
1078 q = buf;
1079 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1080 *q++ = '\033';
1081 *q++ = '[';
1082 c = keysym - 0xe100;
1083 if (c >= 10)
1084 *q++ = '0' + (c / 10);
1085 *q++ = '0' + (c % 10);
1086 *q++ = '~';
1087 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1088 *q++ = '\033';
1089 *q++ = '[';
1090 *q++ = keysym & 0xff;
1091 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1092 console_puts(s->chr, (const uint8_t *) "\r", 1);
1093 *q++ = '\n';
1094 } else {
1095 *q++ = keysym;
1096 }
1097 if (s->echo) {
1098 console_puts(s->chr, buf, q - buf);
1099 }
1100 if (s->chr->chr_read) {
1101 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1102 kbd_send_chars(s);
1103 }
1104 break;
1105 }
1106 }
1107
1108 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1109 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1110 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1111 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1112 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1113 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1114 [Q_KEY_CODE_END] = QEMU_KEY_END,
1115 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1116 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1117 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1118 };
1119
1120 bool kbd_put_qcode_console(QemuConsole *s, int qcode)
1121 {
1122 int keysym;
1123
1124 keysym = qcode_to_keysym[qcode];
1125 if (keysym == 0) {
1126 return false;
1127 }
1128 kbd_put_keysym_console(s, keysym);
1129 return true;
1130 }
1131
1132 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1133 {
1134 int i;
1135
1136 for (i = 0; i < len && str[i]; i++) {
1137 kbd_put_keysym_console(s, str[i]);
1138 }
1139 }
1140
1141 void kbd_put_keysym(int keysym)
1142 {
1143 kbd_put_keysym_console(active_console, keysym);
1144 }
1145
1146 static void text_console_invalidate(void *opaque)
1147 {
1148 QemuConsole *s = (QemuConsole *) opaque;
1149
1150 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1151 text_console_resize(s);
1152 }
1153 console_refresh(s);
1154 }
1155
1156 static void text_console_update(void *opaque, console_ch_t *chardata)
1157 {
1158 QemuConsole *s = (QemuConsole *) opaque;
1159 int i, j, src;
1160
1161 if (s->text_x[0] <= s->text_x[1]) {
1162 src = (s->y_base + s->text_y[0]) * s->width;
1163 chardata += s->text_y[0] * s->width;
1164 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1165 for (j = 0; j < s->width; j++, src++) {
1166 console_write_ch(chardata ++,
1167 ATTR2CHTYPE(s->cells[src].ch,
1168 s->cells[src].t_attrib.fgcol,
1169 s->cells[src].t_attrib.bgcol,
1170 s->cells[src].t_attrib.bold));
1171 }
1172 dpy_text_update(s, s->text_x[0], s->text_y[0],
1173 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1174 s->text_x[0] = s->width;
1175 s->text_y[0] = s->height;
1176 s->text_x[1] = 0;
1177 s->text_y[1] = 0;
1178 }
1179 if (s->cursor_invalidate) {
1180 dpy_text_cursor(s, s->x, s->y);
1181 s->cursor_invalidate = 0;
1182 }
1183 }
1184
1185 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1186 uint32_t head)
1187 {
1188 Object *obj;
1189 QemuConsole *s;
1190 int i;
1191
1192 obj = object_new(TYPE_QEMU_CONSOLE);
1193 s = QEMU_CONSOLE(obj);
1194 s->head = head;
1195 object_property_add_link(obj, "device", TYPE_DEVICE,
1196 (Object **)&s->device,
1197 object_property_allow_set_link,
1198 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1199 &error_abort);
1200 object_property_add_uint32_ptr(obj, "head",
1201 &s->head, &error_abort);
1202
1203 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1204 (console_type == GRAPHIC_CONSOLE))) {
1205 active_console = s;
1206 }
1207 s->ds = ds;
1208 s->console_type = console_type;
1209
1210 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
1211 if (console_type != GRAPHIC_CONSOLE) {
1212 s->index = nb_consoles;
1213 consoles[nb_consoles++] = s;
1214 } else {
1215 /* HACK: Put graphical consoles before text consoles. */
1216 for (i = nb_consoles; i > 0; i--) {
1217 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1218 break;
1219 consoles[i] = consoles[i - 1];
1220 consoles[i]->index = i;
1221 }
1222 s->index = i;
1223 consoles[i] = s;
1224 nb_consoles++;
1225 }
1226 return s;
1227 }
1228
1229 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1230 {
1231 qemu_pixman_image_unref(surface->image);
1232 surface->image = NULL;
1233
1234 surface->format = PIXMAN_x8r8g8b8;
1235 surface->image = pixman_image_create_bits(surface->format,
1236 width, height,
1237 NULL, width * 4);
1238 assert(surface->image != NULL);
1239
1240 surface->flags = QEMU_ALLOCATED_FLAG;
1241 }
1242
1243 DisplaySurface *qemu_create_displaysurface(int width, int height)
1244 {
1245 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1246
1247 trace_displaysurface_create(surface, width, height);
1248 qemu_alloc_display(surface, width, height);
1249 return surface;
1250 }
1251
1252 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1253 pixman_format_code_t format,
1254 int linesize, uint8_t *data)
1255 {
1256 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1257
1258 trace_displaysurface_create_from(surface, width, height, format);
1259 surface->format = format;
1260 surface->image = pixman_image_create_bits(surface->format,
1261 width, height,
1262 (void *)data, linesize);
1263 assert(surface->image != NULL);
1264
1265 return surface;
1266 }
1267
1268 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image,
1269 void *unused)
1270 {
1271 void *data = pixman_image_get_data(image);
1272 uint32_t size = pixman_image_get_stride(image) *
1273 pixman_image_get_height(image);
1274 cpu_physical_memory_unmap(data, size, 0, 0);
1275 }
1276
1277 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
1278 pixman_format_code_t format,
1279 int linesize, uint64_t addr)
1280 {
1281 DisplaySurface *surface;
1282 hwaddr size;
1283 void *data;
1284
1285 if (linesize == 0) {
1286 linesize = width * PIXMAN_FORMAT_BPP(format) / 8;
1287 }
1288
1289 size = (hwaddr)linesize * height;
1290 data = cpu_physical_memory_map(addr, &size, 0);
1291 if (size != (hwaddr)linesize * height) {
1292 cpu_physical_memory_unmap(data, size, 0, 0);
1293 return NULL;
1294 }
1295
1296 surface = qemu_create_displaysurface_from
1297 (width, height, format, linesize, data);
1298 pixman_image_set_destroy_function
1299 (surface->image, qemu_unmap_displaysurface_guestmem, NULL);
1300
1301 return surface;
1302 }
1303
1304 static DisplaySurface *qemu_create_message_surface(int w, int h,
1305 const char *msg)
1306 {
1307 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1308 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1309 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1310 pixman_image_t *glyph;
1311 int len, x, y, i;
1312
1313 len = strlen(msg);
1314 x = (w / FONT_WIDTH - len) / 2;
1315 y = (h / FONT_HEIGHT - 1) / 2;
1316 for (i = 0; i < len; i++) {
1317 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1318 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1319 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1320 qemu_pixman_image_unref(glyph);
1321 }
1322 return surface;
1323 }
1324
1325 void qemu_free_displaysurface(DisplaySurface *surface)
1326 {
1327 if (surface == NULL) {
1328 return;
1329 }
1330 trace_displaysurface_free(surface);
1331 qemu_pixman_image_unref(surface->image);
1332 g_free(surface);
1333 }
1334
1335 bool console_has_gl(QemuConsole *con)
1336 {
1337 return con->gl != NULL;
1338 }
1339
1340 void register_displaychangelistener(DisplayChangeListener *dcl)
1341 {
1342 static const char nodev[] =
1343 "This VM has no graphic display device.";
1344 static DisplaySurface *dummy;
1345 QemuConsole *con;
1346
1347 if (dcl->ops->dpy_gl_ctx_create) {
1348 /* display has opengl support */
1349 assert(dcl->con);
1350 if (dcl->con->gl) {
1351 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1352 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1353 exit(1);
1354 }
1355 dcl->con->gl = dcl;
1356 }
1357
1358 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1359 dcl->ds = get_alloc_displaystate();
1360 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1361 gui_setup_refresh(dcl->ds);
1362 if (dcl->con) {
1363 dcl->con->dcls++;
1364 con = dcl->con;
1365 } else {
1366 con = active_console;
1367 }
1368 if (dcl->ops->dpy_gfx_switch) {
1369 if (con) {
1370 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1371 } else {
1372 if (!dummy) {
1373 dummy = qemu_create_message_surface(640, 480, nodev);
1374 }
1375 dcl->ops->dpy_gfx_switch(dcl, dummy);
1376 }
1377 }
1378 text_console_update_cursor(NULL);
1379 }
1380
1381 void update_displaychangelistener(DisplayChangeListener *dcl,
1382 uint64_t interval)
1383 {
1384 DisplayState *ds = dcl->ds;
1385
1386 dcl->update_interval = interval;
1387 if (!ds->refreshing && ds->update_interval > interval) {
1388 timer_mod(ds->gui_timer, ds->last_update + interval);
1389 }
1390 }
1391
1392 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1393 {
1394 DisplayState *ds = dcl->ds;
1395 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1396 if (dcl->con) {
1397 dcl->con->dcls--;
1398 }
1399 QLIST_REMOVE(dcl, next);
1400 gui_setup_refresh(ds);
1401 }
1402
1403 static void dpy_set_ui_info_timer(void *opaque)
1404 {
1405 QemuConsole *con = opaque;
1406
1407 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1408 }
1409
1410 bool dpy_ui_info_supported(QemuConsole *con)
1411 {
1412 return con->hw_ops->ui_info != NULL;
1413 }
1414
1415 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1416 {
1417 assert(con != NULL);
1418 con->ui_info = *info;
1419 if (!dpy_ui_info_supported(con)) {
1420 return -1;
1421 }
1422
1423 /*
1424 * Typically we get a flood of these as the user resizes the window.
1425 * Wait until the dust has settled (one second without updates), then
1426 * go notify the guest.
1427 */
1428 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1429 return 0;
1430 }
1431
1432 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1433 {
1434 DisplayState *s = con->ds;
1435 DisplayChangeListener *dcl;
1436 int width = w;
1437 int height = h;
1438
1439 if (con->surface) {
1440 width = surface_width(con->surface);
1441 height = surface_height(con->surface);
1442 }
1443 x = MAX(x, 0);
1444 y = MAX(y, 0);
1445 x = MIN(x, width);
1446 y = MIN(y, height);
1447 w = MIN(w, width - x);
1448 h = MIN(h, height - y);
1449
1450 if (!qemu_console_is_visible(con)) {
1451 return;
1452 }
1453 QLIST_FOREACH(dcl, &s->listeners, next) {
1454 if (con != (dcl->con ? dcl->con : active_console)) {
1455 continue;
1456 }
1457 if (dcl->ops->dpy_gfx_update) {
1458 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1459 }
1460 }
1461 }
1462
1463 void dpy_gfx_replace_surface(QemuConsole *con,
1464 DisplaySurface *surface)
1465 {
1466 DisplayState *s = con->ds;
1467 DisplaySurface *old_surface = con->surface;
1468 DisplayChangeListener *dcl;
1469
1470 con->surface = surface;
1471 QLIST_FOREACH(dcl, &s->listeners, next) {
1472 if (con != (dcl->con ? dcl->con : active_console)) {
1473 continue;
1474 }
1475 if (dcl->ops->dpy_gfx_switch) {
1476 dcl->ops->dpy_gfx_switch(dcl, surface);
1477 }
1478 }
1479 qemu_free_displaysurface(old_surface);
1480 }
1481
1482 bool dpy_gfx_check_format(QemuConsole *con,
1483 pixman_format_code_t format)
1484 {
1485 DisplayChangeListener *dcl;
1486 DisplayState *s = con->ds;
1487
1488 QLIST_FOREACH(dcl, &s->listeners, next) {
1489 if (dcl->con && dcl->con != con) {
1490 /* dcl bound to another console -> skip */
1491 continue;
1492 }
1493 if (dcl->ops->dpy_gfx_check_format) {
1494 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1495 return false;
1496 }
1497 } else {
1498 /* default is to whitelist native 32 bpp only */
1499 if (format != qemu_default_pixman_format(32, true)) {
1500 return false;
1501 }
1502 }
1503 }
1504 return true;
1505 }
1506
1507 static void dpy_refresh(DisplayState *s)
1508 {
1509 DisplayChangeListener *dcl;
1510
1511 QLIST_FOREACH(dcl, &s->listeners, next) {
1512 if (dcl->ops->dpy_refresh) {
1513 dcl->ops->dpy_refresh(dcl);
1514 }
1515 }
1516 }
1517
1518 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1519 int dst_x, int dst_y, int w, int h)
1520 {
1521 DisplayState *s = con->ds;
1522 DisplayChangeListener *dcl;
1523
1524 if (!qemu_console_is_visible(con)) {
1525 return;
1526 }
1527 QLIST_FOREACH(dcl, &s->listeners, next) {
1528 if (con != (dcl->con ? dcl->con : active_console)) {
1529 continue;
1530 }
1531 if (dcl->ops->dpy_gfx_copy) {
1532 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1533 } else { /* TODO */
1534 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1535 }
1536 }
1537 }
1538
1539 void dpy_text_cursor(QemuConsole *con, int x, int y)
1540 {
1541 DisplayState *s = con->ds;
1542 DisplayChangeListener *dcl;
1543
1544 if (!qemu_console_is_visible(con)) {
1545 return;
1546 }
1547 QLIST_FOREACH(dcl, &s->listeners, next) {
1548 if (con != (dcl->con ? dcl->con : active_console)) {
1549 continue;
1550 }
1551 if (dcl->ops->dpy_text_cursor) {
1552 dcl->ops->dpy_text_cursor(dcl, x, y);
1553 }
1554 }
1555 }
1556
1557 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1558 {
1559 DisplayState *s = con->ds;
1560 DisplayChangeListener *dcl;
1561
1562 if (!qemu_console_is_visible(con)) {
1563 return;
1564 }
1565 QLIST_FOREACH(dcl, &s->listeners, next) {
1566 if (con != (dcl->con ? dcl->con : active_console)) {
1567 continue;
1568 }
1569 if (dcl->ops->dpy_text_update) {
1570 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1571 }
1572 }
1573 }
1574
1575 void dpy_text_resize(QemuConsole *con, int w, int h)
1576 {
1577 DisplayState *s = con->ds;
1578 DisplayChangeListener *dcl;
1579
1580 if (!qemu_console_is_visible(con)) {
1581 return;
1582 }
1583 QLIST_FOREACH(dcl, &s->listeners, next) {
1584 if (con != (dcl->con ? dcl->con : active_console)) {
1585 continue;
1586 }
1587 if (dcl->ops->dpy_text_resize) {
1588 dcl->ops->dpy_text_resize(dcl, w, h);
1589 }
1590 }
1591 }
1592
1593 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1594 {
1595 DisplayState *s = con->ds;
1596 DisplayChangeListener *dcl;
1597
1598 if (!qemu_console_is_visible(con)) {
1599 return;
1600 }
1601 QLIST_FOREACH(dcl, &s->listeners, next) {
1602 if (con != (dcl->con ? dcl->con : active_console)) {
1603 continue;
1604 }
1605 if (dcl->ops->dpy_mouse_set) {
1606 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1607 }
1608 }
1609 }
1610
1611 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1612 {
1613 DisplayState *s = con->ds;
1614 DisplayChangeListener *dcl;
1615
1616 if (!qemu_console_is_visible(con)) {
1617 return;
1618 }
1619 QLIST_FOREACH(dcl, &s->listeners, next) {
1620 if (con != (dcl->con ? dcl->con : active_console)) {
1621 continue;
1622 }
1623 if (dcl->ops->dpy_cursor_define) {
1624 dcl->ops->dpy_cursor_define(dcl, cursor);
1625 }
1626 }
1627 }
1628
1629 bool dpy_cursor_define_supported(QemuConsole *con)
1630 {
1631 DisplayState *s = con->ds;
1632 DisplayChangeListener *dcl;
1633
1634 QLIST_FOREACH(dcl, &s->listeners, next) {
1635 if (dcl->ops->dpy_cursor_define) {
1636 return true;
1637 }
1638 }
1639 return false;
1640 }
1641
1642 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1643 struct QEMUGLParams *qparams)
1644 {
1645 assert(con->gl);
1646 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1647 }
1648
1649 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1650 {
1651 assert(con->gl);
1652 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1653 }
1654
1655 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1656 {
1657 assert(con->gl);
1658 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1659 }
1660
1661 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1662 {
1663 assert(con->gl);
1664 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1665 }
1666
1667 void dpy_gl_scanout(QemuConsole *con,
1668 uint32_t backing_id, bool backing_y_0_top,
1669 uint32_t x, uint32_t y, uint32_t width, uint32_t height)
1670 {
1671 assert(con->gl);
1672 con->gl->ops->dpy_gl_scanout(con->gl, backing_id,
1673 backing_y_0_top,
1674 x, y, width, height);
1675 }
1676
1677 void dpy_gl_update(QemuConsole *con,
1678 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1679 {
1680 assert(con->gl);
1681 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1682 }
1683
1684 /***********************************************************/
1685 /* register display */
1686
1687 /* console.c internal use only */
1688 static DisplayState *get_alloc_displaystate(void)
1689 {
1690 if (!display_state) {
1691 display_state = g_new0(DisplayState, 1);
1692 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1693 text_console_update_cursor, NULL);
1694 }
1695 return display_state;
1696 }
1697
1698 /*
1699 * Called by main(), after creating QemuConsoles
1700 * and before initializing ui (sdl/vnc/...).
1701 */
1702 DisplayState *init_displaystate(void)
1703 {
1704 gchar *name;
1705 int i;
1706
1707 get_alloc_displaystate();
1708 for (i = 0; i < nb_consoles; i++) {
1709 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1710 consoles[i]->ds == NULL) {
1711 text_console_do_init(consoles[i]->chr, display_state);
1712 }
1713
1714 /* Hook up into the qom tree here (not in new_console()), once
1715 * all QemuConsoles are created and the order / numbering
1716 * doesn't change any more */
1717 name = g_strdup_printf("console[%d]", i);
1718 object_property_add_child(container_get(object_get_root(), "/backend"),
1719 name, OBJECT(consoles[i]), &error_abort);
1720 g_free(name);
1721 }
1722
1723 return display_state;
1724 }
1725
1726 void graphic_console_set_hwops(QemuConsole *con,
1727 const GraphicHwOps *hw_ops,
1728 void *opaque)
1729 {
1730 con->hw_ops = hw_ops;
1731 con->hw = opaque;
1732 }
1733
1734 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1735 const GraphicHwOps *hw_ops,
1736 void *opaque)
1737 {
1738 static const char noinit[] =
1739 "Guest has not initialized the display (yet).";
1740 int width = 640;
1741 int height = 480;
1742 QemuConsole *s;
1743 DisplayState *ds;
1744
1745 ds = get_alloc_displaystate();
1746 trace_console_gfx_new();
1747 s = new_console(ds, GRAPHIC_CONSOLE, head);
1748 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s);
1749 graphic_console_set_hwops(s, hw_ops, opaque);
1750 if (dev) {
1751 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1752 &error_abort);
1753 }
1754
1755 s->surface = qemu_create_message_surface(width, height, noinit);
1756 return s;
1757 }
1758
1759 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1760 {
1761 if (index >= nb_consoles) {
1762 return NULL;
1763 }
1764 return consoles[index];
1765 }
1766
1767 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1768 {
1769 Object *obj;
1770 uint32_t h;
1771 int i;
1772
1773 for (i = 0; i < nb_consoles; i++) {
1774 if (!consoles[i]) {
1775 continue;
1776 }
1777 obj = object_property_get_link(OBJECT(consoles[i]),
1778 "device", &error_abort);
1779 if (DEVICE(obj) != dev) {
1780 continue;
1781 }
1782 h = object_property_get_int(OBJECT(consoles[i]),
1783 "head", &error_abort);
1784 if (h != head) {
1785 continue;
1786 }
1787 return consoles[i];
1788 }
1789 return NULL;
1790 }
1791
1792 bool qemu_console_is_visible(QemuConsole *con)
1793 {
1794 return (con == active_console) || (con->dcls > 0);
1795 }
1796
1797 bool qemu_console_is_graphic(QemuConsole *con)
1798 {
1799 if (con == NULL) {
1800 con = active_console;
1801 }
1802 return con && (con->console_type == GRAPHIC_CONSOLE);
1803 }
1804
1805 bool qemu_console_is_fixedsize(QemuConsole *con)
1806 {
1807 if (con == NULL) {
1808 con = active_console;
1809 }
1810 return con && (con->console_type != TEXT_CONSOLE);
1811 }
1812
1813 char *qemu_console_get_label(QemuConsole *con)
1814 {
1815 if (con->console_type == GRAPHIC_CONSOLE) {
1816 if (con->device) {
1817 return g_strdup(object_get_typename(con->device));
1818 }
1819 return g_strdup("VGA");
1820 } else {
1821 if (con->chr && con->chr->label) {
1822 return g_strdup(con->chr->label);
1823 }
1824 return g_strdup_printf("vc%d", con->index);
1825 }
1826 }
1827
1828 int qemu_console_get_index(QemuConsole *con)
1829 {
1830 if (con == NULL) {
1831 con = active_console;
1832 }
1833 return con ? con->index : -1;
1834 }
1835
1836 uint32_t qemu_console_get_head(QemuConsole *con)
1837 {
1838 if (con == NULL) {
1839 con = active_console;
1840 }
1841 return con ? con->head : -1;
1842 }
1843
1844 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
1845 {
1846 assert(con != NULL);
1847 return &con->ui_info;
1848 }
1849
1850 int qemu_console_get_width(QemuConsole *con, int fallback)
1851 {
1852 if (con == NULL) {
1853 con = active_console;
1854 }
1855 return con ? surface_width(con->surface) : fallback;
1856 }
1857
1858 int qemu_console_get_height(QemuConsole *con, int fallback)
1859 {
1860 if (con == NULL) {
1861 con = active_console;
1862 }
1863 return con ? surface_height(con->surface) : fallback;
1864 }
1865
1866 static void text_console_set_echo(CharDriverState *chr, bool echo)
1867 {
1868 QemuConsole *s = chr->opaque;
1869
1870 s->echo = echo;
1871 }
1872
1873 static void text_console_update_cursor_timer(void)
1874 {
1875 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
1876 + CONSOLE_CURSOR_PERIOD / 2);
1877 }
1878
1879 static void text_console_update_cursor(void *opaque)
1880 {
1881 QemuConsole *s;
1882 int i, count = 0;
1883
1884 cursor_visible_phase = !cursor_visible_phase;
1885
1886 for (i = 0; i < nb_consoles; i++) {
1887 s = consoles[i];
1888 if (qemu_console_is_graphic(s) ||
1889 !qemu_console_is_visible(s)) {
1890 continue;
1891 }
1892 count++;
1893 graphic_hw_invalidate(s);
1894 }
1895
1896 if (count) {
1897 text_console_update_cursor_timer();
1898 }
1899 }
1900
1901 static const GraphicHwOps text_console_ops = {
1902 .invalidate = text_console_invalidate,
1903 .text_update = text_console_update,
1904 };
1905
1906 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1907 {
1908 QemuConsole *s;
1909 int g_width = 80 * FONT_WIDTH;
1910 int g_height = 24 * FONT_HEIGHT;
1911
1912 s = chr->opaque;
1913
1914 chr->chr_write = console_puts;
1915
1916 s->out_fifo.buf = s->out_fifo_buf;
1917 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1918 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
1919 s->ds = ds;
1920
1921 s->y_displayed = 0;
1922 s->y_base = 0;
1923 s->total_height = DEFAULT_BACKSCROLL;
1924 s->x = 0;
1925 s->y = 0;
1926 if (!s->surface) {
1927 if (active_console && active_console->surface) {
1928 g_width = surface_width(active_console->surface);
1929 g_height = surface_height(active_console->surface);
1930 }
1931 s->surface = qemu_create_displaysurface(g_width, g_height);
1932 }
1933
1934 s->hw_ops = &text_console_ops;
1935 s->hw = s;
1936
1937 /* Set text attribute defaults */
1938 s->t_attrib_default.bold = 0;
1939 s->t_attrib_default.uline = 0;
1940 s->t_attrib_default.blink = 0;
1941 s->t_attrib_default.invers = 0;
1942 s->t_attrib_default.unvisible = 0;
1943 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
1944 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
1945 /* set current text attributes to default */
1946 s->t_attrib = s->t_attrib_default;
1947 text_console_resize(s);
1948
1949 if (chr->label) {
1950 char msg[128];
1951 int len;
1952
1953 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
1954 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1955 console_puts(chr, (uint8_t*)msg, len);
1956 s->t_attrib = s->t_attrib_default;
1957 }
1958
1959 qemu_chr_be_generic_open(chr);
1960 if (chr->init)
1961 chr->init(chr);
1962 }
1963
1964 static CharDriverState *text_console_init(ChardevVC *vc, Error **errp)
1965 {
1966 ChardevCommon *common = qapi_ChardevVC_base(vc);
1967 CharDriverState *chr;
1968 QemuConsole *s;
1969 unsigned width = 0;
1970 unsigned height = 0;
1971
1972 chr = qemu_chr_alloc(common, errp);
1973 if (!chr) {
1974 return NULL;
1975 }
1976
1977 if (vc->has_width) {
1978 width = vc->width;
1979 } else if (vc->has_cols) {
1980 width = vc->cols * FONT_WIDTH;
1981 }
1982
1983 if (vc->has_height) {
1984 height = vc->height;
1985 } else if (vc->has_rows) {
1986 height = vc->rows * FONT_HEIGHT;
1987 }
1988
1989 trace_console_txt_new(width, height);
1990 if (width == 0 || height == 0) {
1991 s = new_console(NULL, TEXT_CONSOLE, 0);
1992 } else {
1993 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
1994 s->surface = qemu_create_displaysurface(width, height);
1995 }
1996
1997 if (!s) {
1998 g_free(chr);
1999 error_setg(errp, "cannot create text console");
2000 return NULL;
2001 }
2002
2003 s->chr = chr;
2004 chr->opaque = s;
2005 chr->chr_set_echo = text_console_set_echo;
2006 /* console/chardev init sometimes completes elsewhere in a 2nd
2007 * stage, so defer OPENED events until they are fully initialized
2008 */
2009 chr->explicit_be_open = true;
2010
2011 if (display_state) {
2012 text_console_do_init(chr, display_state);
2013 }
2014 return chr;
2015 }
2016
2017 static VcHandler *vc_handler = text_console_init;
2018
2019 static CharDriverState *vc_init(const char *id, ChardevBackend *backend,
2020 ChardevReturn *ret, Error **errp)
2021 {
2022 return vc_handler(backend->u.vc, errp);
2023 }
2024
2025 void register_vc_handler(VcHandler *handler)
2026 {
2027 vc_handler = handler;
2028 }
2029
2030 void qemu_console_resize(QemuConsole *s, int width, int height)
2031 {
2032 DisplaySurface *surface;
2033
2034 assert(s->console_type == GRAPHIC_CONSOLE);
2035 surface = qemu_create_displaysurface(width, height);
2036 dpy_gfx_replace_surface(s, surface);
2037 }
2038
2039 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
2040 int dst_x, int dst_y, int w, int h)
2041 {
2042 assert(con->console_type == GRAPHIC_CONSOLE);
2043 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
2044 }
2045
2046 DisplaySurface *qemu_console_surface(QemuConsole *console)
2047 {
2048 return console->surface;
2049 }
2050
2051 PixelFormat qemu_default_pixelformat(int bpp)
2052 {
2053 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2054 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2055 return pf;
2056 }
2057
2058 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
2059 Error **errp)
2060 {
2061 int val;
2062
2063 backend->u.vc = g_new0(ChardevVC, 1);
2064
2065 val = qemu_opt_get_number(opts, "width", 0);
2066 if (val != 0) {
2067 backend->u.vc->has_width = true;
2068 backend->u.vc->width = val;
2069 }
2070
2071 val = qemu_opt_get_number(opts, "height", 0);
2072 if (val != 0) {
2073 backend->u.vc->has_height = true;
2074 backend->u.vc->height = val;
2075 }
2076
2077 val = qemu_opt_get_number(opts, "cols", 0);
2078 if (val != 0) {
2079 backend->u.vc->has_cols = true;
2080 backend->u.vc->cols = val;
2081 }
2082
2083 val = qemu_opt_get_number(opts, "rows", 0);
2084 if (val != 0) {
2085 backend->u.vc->has_rows = true;
2086 backend->u.vc->rows = val;
2087 }
2088 }
2089
2090 static const TypeInfo qemu_console_info = {
2091 .name = TYPE_QEMU_CONSOLE,
2092 .parent = TYPE_OBJECT,
2093 .instance_size = sizeof(QemuConsole),
2094 .class_size = sizeof(QemuConsoleClass),
2095 };
2096
2097
2098 static void register_types(void)
2099 {
2100 type_register_static(&qemu_console_info);
2101 register_char_driver("vc", CHARDEV_BACKEND_KIND_VC, qemu_chr_parse_vc,
2102 vc_init);
2103 }
2104
2105 type_init(register_types);
QEmu