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kvm-all: trace: strerror fixup
[qemu/ar7.git] / ui / console.c
blobb739ae9a055bdf7a4756442974ed0f7e162836a9
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/osdep.h"
25 #include "qemu-common.h"
26 #include "ui/console.h"
27 #include "hw/qdev-core.h"
28 #include "qemu/timer.h"
29 #include "qmp-commands.h"
30 #include "sysemu/char.h"
31 #include "trace.h"
32 #include "exec/memory.h"
33
34 #define DEFAULT_BACKSCROLL 512
35 #define CONSOLE_CURSOR_PERIOD 500
36
37 typedef struct TextAttributes {
38 uint8_t fgcol:4;
39 uint8_t bgcol:4;
40 uint8_t bold:1;
41 uint8_t uline:1;
42 uint8_t blink:1;
43 uint8_t invers:1;
44 uint8_t unvisible:1;
45 } TextAttributes;
46
47 typedef struct TextCell {
48 uint8_t ch;
49 TextAttributes t_attrib;
50 } TextCell;
51
52 #define MAX_ESC_PARAMS 3
53
54 enum TTYState {
55 TTY_STATE_NORM,
56 TTY_STATE_ESC,
57 TTY_STATE_CSI,
58 };
59
60 typedef struct QEMUFIFO {
61 uint8_t *buf;
62 int buf_size;
63 int count, wptr, rptr;
64 } QEMUFIFO;
65
66 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
67 {
68 int l, len;
69
70 l = f->buf_size - f->count;
71 if (len1 > l)
72 len1 = l;
73 len = len1;
74 while (len > 0) {
75 l = f->buf_size - f->wptr;
76 if (l > len)
77 l = len;
78 memcpy(f->buf + f->wptr, buf, l);
79 f->wptr += l;
80 if (f->wptr >= f->buf_size)
81 f->wptr = 0;
82 buf += l;
83 len -= l;
84 }
85 f->count += len1;
86 return len1;
87 }
88
89 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
90 {
91 int l, len;
92
93 if (len1 > f->count)
94 len1 = f->count;
95 len = len1;
96 while (len > 0) {
97 l = f->buf_size - f->rptr;
98 if (l > len)
99 l = len;
100 memcpy(buf, f->buf + f->rptr, l);
101 f->rptr += l;
102 if (f->rptr >= f->buf_size)
103 f->rptr = 0;
104 buf += l;
105 len -= l;
106 }
107 f->count -= len1;
108 return len1;
109 }
110
111 typedef enum {
112 GRAPHIC_CONSOLE,
113 TEXT_CONSOLE,
114 TEXT_CONSOLE_FIXED_SIZE
115 } console_type_t;
116
117 struct QemuConsole {
118 Object parent;
119
120 int index;
121 console_type_t console_type;
122 DisplayState *ds;
123 DisplaySurface *surface;
124 int dcls;
125 DisplayChangeListener *gl;
126
127 /* Graphic console state. */
128 Object *device;
129 uint32_t head;
130 QemuUIInfo ui_info;
131 QEMUTimer *ui_timer;
132 const GraphicHwOps *hw_ops;
133 void *hw;
134
135 /* Text console state */
136 int width;
137 int height;
138 int total_height;
139 int backscroll_height;
140 int x, y;
141 int x_saved, y_saved;
142 int y_displayed;
143 int y_base;
144 TextAttributes t_attrib_default; /* default text attributes */
145 TextAttributes t_attrib; /* currently active text attributes */
146 TextCell *cells;
147 int text_x[2], text_y[2], cursor_invalidate;
148 int echo;
149
150 int update_x0;
151 int update_y0;
152 int update_x1;
153 int update_y1;
154
155 enum TTYState state;
156 int esc_params[MAX_ESC_PARAMS];
157 int nb_esc_params;
158
159 CharDriverState *chr;
160 /* fifo for key pressed */
161 QEMUFIFO out_fifo;
162 uint8_t out_fifo_buf[16];
163 QEMUTimer *kbd_timer;
164 };
165
166 struct DisplayState {
167 QEMUTimer *gui_timer;
168 uint64_t last_update;
169 uint64_t update_interval;
170 bool refreshing;
171 bool have_gfx;
172 bool have_text;
173
174 QLIST_HEAD(, DisplayChangeListener) listeners;
175 };
176
177 static DisplayState *display_state;
178 static QemuConsole *active_console;
179 static QemuConsole **consoles;
180 static int nb_consoles = 0;
181 static bool cursor_visible_phase;
182 static QEMUTimer *cursor_timer;
183
184 static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
185 static void dpy_refresh(DisplayState *s);
186 static DisplayState *get_alloc_displaystate(void);
187 static void text_console_update_cursor_timer(void);
188 static void text_console_update_cursor(void *opaque);
189
190 static void gui_update(void *opaque)
191 {
192 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
193 uint64_t dcl_interval;
194 DisplayState *ds = opaque;
195 DisplayChangeListener *dcl;
196 int i;
197
198 ds->refreshing = true;
199 dpy_refresh(ds);
200 ds->refreshing = false;
201
202 QLIST_FOREACH(dcl, &ds->listeners, next) {
203 dcl_interval = dcl->update_interval ?
204 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
205 if (interval > dcl_interval) {
206 interval = dcl_interval;
207 }
208 }
209 if (ds->update_interval != interval) {
210 ds->update_interval = interval;
211 for (i = 0; i < nb_consoles; i++) {
212 if (consoles[i]->hw_ops->update_interval) {
213 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
214 }
215 }
216 trace_console_refresh(interval);
217 }
218 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
219 timer_mod(ds->gui_timer, ds->last_update + interval);
220 }
221
222 static void gui_setup_refresh(DisplayState *ds)
223 {
224 DisplayChangeListener *dcl;
225 bool need_timer = false;
226 bool have_gfx = false;
227 bool have_text = false;
228
229 QLIST_FOREACH(dcl, &ds->listeners, next) {
230 if (dcl->ops->dpy_refresh != NULL) {
231 need_timer = true;
232 }
233 if (dcl->ops->dpy_gfx_update != NULL) {
234 have_gfx = true;
235 }
236 if (dcl->ops->dpy_text_update != NULL) {
237 have_text = true;
238 }
239 }
240
241 if (need_timer && ds->gui_timer == NULL) {
242 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
243 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
244 }
245 if (!need_timer && ds->gui_timer != NULL) {
246 timer_del(ds->gui_timer);
247 timer_free(ds->gui_timer);
248 ds->gui_timer = NULL;
249 }
250
251 ds->have_gfx = have_gfx;
252 ds->have_text = have_text;
253 }
254
255 void graphic_hw_update(QemuConsole *con)
256 {
257 if (!con) {
258 con = active_console;
259 }
260 if (con && con->hw_ops->gfx_update) {
261 con->hw_ops->gfx_update(con->hw);
262 }
263 }
264
265 void graphic_hw_gl_block(QemuConsole *con, bool block)
266 {
267 if (!con) {
268 con = active_console;
269 }
270 if (con && con->hw_ops->gl_block) {
271 con->hw_ops->gl_block(con->hw, block);
272 }
273 }
274
275 void graphic_hw_invalidate(QemuConsole *con)
276 {
277 if (!con) {
278 con = active_console;
279 }
280 if (con && con->hw_ops->invalidate) {
281 con->hw_ops->invalidate(con->hw);
282 }
283 }
284
285 static void ppm_save(const char *filename, DisplaySurface *ds,
286 Error **errp)
287 {
288 int width = pixman_image_get_width(ds->image);
289 int height = pixman_image_get_height(ds->image);
290 int fd;
291 FILE *f;
292 int y;
293 int ret;
294 pixman_image_t *linebuf;
295
296 trace_ppm_save(filename, ds);
297 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
298 if (fd == -1) {
299 error_setg(errp, "failed to open file '%s': %s", filename,
300 strerror(errno));
301 return;
302 }
303 f = fdopen(fd, "wb");
304 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
305 if (ret < 0) {
306 linebuf = NULL;
307 goto write_err;
308 }
309 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
310 for (y = 0; y < height; y++) {
311 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
312 clearerr(f);
313 ret = fwrite(pixman_image_get_data(linebuf), 1,
314 pixman_image_get_stride(linebuf), f);
315 (void)ret;
316 if (ferror(f)) {
317 goto write_err;
318 }
319 }
320
321 out:
322 qemu_pixman_image_unref(linebuf);
323 fclose(f);
324 return;
325
326 write_err:
327 error_setg(errp, "failed to write to file '%s': %s", filename,
328 strerror(errno));
329 unlink(filename);
330 goto out;
331 }
332
333 void qmp_screendump(const char *filename, Error **errp)
334 {
335 QemuConsole *con = qemu_console_lookup_by_index(0);
336 DisplaySurface *surface;
337
338 if (con == NULL) {
339 error_setg(errp, "There is no QemuConsole I can screendump from.");
340 return;
341 }
342
343 graphic_hw_update(con);
344 surface = qemu_console_surface(con);
345 ppm_save(filename, surface, errp);
346 }
347
348 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
349 {
350 if (!con) {
351 con = active_console;
352 }
353 if (con && con->hw_ops->text_update) {
354 con->hw_ops->text_update(con->hw, chardata);
355 }
356 }
357
358 static void vga_fill_rect(QemuConsole *con,
359 int posx, int posy, int width, int height,
360 pixman_color_t color)
361 {
362 DisplaySurface *surface = qemu_console_surface(con);
363 pixman_rectangle16_t rect = {
364 .x = posx, .y = posy, .width = width, .height = height
365 };
366
367 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
368 &color, 1, &rect);
369 }
370
371 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
372 static void vga_bitblt(QemuConsole *con,
373 int xs, int ys, int xd, int yd, int w, int h)
374 {
375 DisplaySurface *surface = qemu_console_surface(con);
376
377 pixman_image_composite(PIXMAN_OP_SRC,
378 surface->image, NULL, surface->image,
379 xs, ys, 0, 0, xd, yd, w, h);
380 }
381
382 /***********************************************************/
383 /* basic char display */
384
385 #define FONT_HEIGHT 16
386 #define FONT_WIDTH 8
387
388 #include "vgafont.h"
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_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
396 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
397 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */
398 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
399 [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */
400 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
401 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
402 [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
403 },
404 { /* bright */
405 [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */
406 [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */
407 [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */
408 [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
409 [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */
410 [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
411 [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
412 [QEMU_COLOR_WHITE] = 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_new(TextCell, s->width * s->total_height);
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][QEMU_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 = QEMU_COLOR_BLACK;
700 break;
701 case 31:
702 s->t_attrib.fgcol = QEMU_COLOR_RED;
703 break;
704 case 32:
705 s->t_attrib.fgcol = QEMU_COLOR_GREEN;
706 break;
707 case 33:
708 s->t_attrib.fgcol = QEMU_COLOR_YELLOW;
709 break;
710 case 34:
711 s->t_attrib.fgcol = QEMU_COLOR_BLUE;
712 break;
713 case 35:
714 s->t_attrib.fgcol = QEMU_COLOR_MAGENTA;
715 break;
716 case 36:
717 s->t_attrib.fgcol = QEMU_COLOR_CYAN;
718 break;
719 case 37:
720 s->t_attrib.fgcol = QEMU_COLOR_WHITE;
721 break;
722 /* set background color */
723 case 40:
724 s->t_attrib.bgcol = QEMU_COLOR_BLACK;
725 break;
726 case 41:
727 s->t_attrib.bgcol = QEMU_COLOR_RED;
728 break;
729 case 42:
730 s->t_attrib.bgcol = QEMU_COLOR_GREEN;
731 break;
732 case 43:
733 s->t_attrib.bgcol = QEMU_COLOR_YELLOW;
734 break;
735 case 44:
736 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
737 break;
738 case 45:
739 s->t_attrib.bgcol = QEMU_COLOR_MAGENTA;
740 break;
741 case 46:
742 s->t_attrib.bgcol = QEMU_COLOR_CYAN;
743 break;
744 case 47:
745 s->t_attrib.bgcol = QEMU_COLOR_WHITE;
746 break;
747 }
748 }
749 }
750
751 static void console_clear_xy(QemuConsole *s, int x, int y)
752 {
753 int y1 = (s->y_base + y) % s->total_height;
754 TextCell *c = &s->cells[y1 * s->width + x];
755 c->ch = ' ';
756 c->t_attrib = s->t_attrib_default;
757 update_xy(s, x, y);
758 }
759
760 /* set cursor, checking bounds */
761 static void set_cursor(QemuConsole *s, int x, int y)
762 {
763 if (x < 0) {
764 x = 0;
765 }
766 if (y < 0) {
767 y = 0;
768 }
769 if (y >= s->height) {
770 y = s->height - 1;
771 }
772 if (x >= s->width) {
773 x = s->width - 1;
774 }
775
776 s->x = x;
777 s->y = y;
778 }
779
780 static void console_putchar(QemuConsole *s, int ch)
781 {
782 TextCell *c;
783 int y1, i;
784 int x, y;
785
786 switch(s->state) {
787 case TTY_STATE_NORM:
788 switch(ch) {
789 case '\r': /* carriage return */
790 s->x = 0;
791 break;
792 case '\n': /* newline */
793 console_put_lf(s);
794 break;
795 case '\b': /* backspace */
796 if (s->x > 0)
797 s->x--;
798 break;
799 case '\t': /* tabspace */
800 if (s->x + (8 - (s->x % 8)) > s->width) {
801 s->x = 0;
802 console_put_lf(s);
803 } else {
804 s->x = s->x + (8 - (s->x % 8));
805 }
806 break;
807 case '\a': /* alert aka. bell */
808 /* TODO: has to be implemented */
809 break;
810 case 14:
811 /* SI (shift in), character set 0 (ignored) */
812 break;
813 case 15:
814 /* SO (shift out), character set 1 (ignored) */
815 break;
816 case 27: /* esc (introducing an escape sequence) */
817 s->state = TTY_STATE_ESC;
818 break;
819 default:
820 if (s->x >= s->width) {
821 /* line wrap */
822 s->x = 0;
823 console_put_lf(s);
824 }
825 y1 = (s->y_base + s->y) % s->total_height;
826 c = &s->cells[y1 * s->width + s->x];
827 c->ch = ch;
828 c->t_attrib = s->t_attrib;
829 update_xy(s, s->x, s->y);
830 s->x++;
831 break;
832 }
833 break;
834 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
835 if (ch == '[') {
836 for(i=0;i<MAX_ESC_PARAMS;i++)
837 s->esc_params[i] = 0;
838 s->nb_esc_params = 0;
839 s->state = TTY_STATE_CSI;
840 } else {
841 s->state = TTY_STATE_NORM;
842 }
843 break;
844 case TTY_STATE_CSI: /* handle escape sequence parameters */
845 if (ch >= '0' && ch <= '9') {
846 if (s->nb_esc_params < MAX_ESC_PARAMS) {
847 int *param = &s->esc_params[s->nb_esc_params];
848 int digit = (ch - '0');
849
850 *param = (*param <= (INT_MAX - digit) / 10) ?
851 *param * 10 + digit : INT_MAX;
852 }
853 } else {
854 if (s->nb_esc_params < MAX_ESC_PARAMS)
855 s->nb_esc_params++;
856 if (ch == ';')
857 break;
858 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
859 ch, s->nb_esc_params);
860 s->state = TTY_STATE_NORM;
861 switch(ch) {
862 case 'A':
863 /* move cursor up */
864 if (s->esc_params[0] == 0) {
865 s->esc_params[0] = 1;
866 }
867 set_cursor(s, s->x, s->y - s->esc_params[0]);
868 break;
869 case 'B':
870 /* move cursor down */
871 if (s->esc_params[0] == 0) {
872 s->esc_params[0] = 1;
873 }
874 set_cursor(s, s->x, s->y + s->esc_params[0]);
875 break;
876 case 'C':
877 /* move cursor right */
878 if (s->esc_params[0] == 0) {
879 s->esc_params[0] = 1;
880 }
881 set_cursor(s, s->x + s->esc_params[0], s->y);
882 break;
883 case 'D':
884 /* move cursor left */
885 if (s->esc_params[0] == 0) {
886 s->esc_params[0] = 1;
887 }
888 set_cursor(s, s->x - s->esc_params[0], s->y);
889 break;
890 case 'G':
891 /* move cursor to column */
892 set_cursor(s, s->esc_params[0] - 1, s->y);
893 break;
894 case 'f':
895 case 'H':
896 /* move cursor to row, column */
897 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
898 break;
899 case 'J':
900 switch (s->esc_params[0]) {
901 case 0:
902 /* clear to end of screen */
903 for (y = s->y; y < s->height; y++) {
904 for (x = 0; x < s->width; x++) {
905 if (y == s->y && x < s->x) {
906 continue;
907 }
908 console_clear_xy(s, x, y);
909 }
910 }
911 break;
912 case 1:
913 /* clear from beginning of screen */
914 for (y = 0; y <= s->y; y++) {
915 for (x = 0; x < s->width; x++) {
916 if (y == s->y && x > s->x) {
917 break;
918 }
919 console_clear_xy(s, x, y);
920 }
921 }
922 break;
923 case 2:
924 /* clear entire screen */
925 for (y = 0; y <= s->height; y++) {
926 for (x = 0; x < s->width; x++) {
927 console_clear_xy(s, x, y);
928 }
929 }
930 break;
931 }
932 break;
933 case 'K':
934 switch (s->esc_params[0]) {
935 case 0:
936 /* clear to eol */
937 for(x = s->x; x < s->width; x++) {
938 console_clear_xy(s, x, s->y);
939 }
940 break;
941 case 1:
942 /* clear from beginning of line */
943 for (x = 0; x <= s->x; x++) {
944 console_clear_xy(s, x, s->y);
945 }
946 break;
947 case 2:
948 /* clear entire line */
949 for(x = 0; x < s->width; x++) {
950 console_clear_xy(s, x, s->y);
951 }
952 break;
953 }
954 break;
955 case 'm':
956 console_handle_escape(s);
957 break;
958 case 'n':
959 /* report cursor position */
960 /* TODO: send ESC[row;colR */
961 break;
962 case 's':
963 /* save cursor position */
964 s->x_saved = s->x;
965 s->y_saved = s->y;
966 break;
967 case 'u':
968 /* restore cursor position */
969 s->x = s->x_saved;
970 s->y = s->y_saved;
971 break;
972 default:
973 trace_console_putchar_unhandled(ch);
974 break;
975 }
976 break;
977 }
978 }
979 }
980
981 void console_select(unsigned int index)
982 {
983 DisplayChangeListener *dcl;
984 QemuConsole *s;
985
986 trace_console_select(index);
987 s = qemu_console_lookup_by_index(index);
988 if (s) {
989 DisplayState *ds = s->ds;
990
991 active_console = s;
992 if (ds->have_gfx) {
993 QLIST_FOREACH(dcl, &ds->listeners, next) {
994 if (dcl->con != NULL) {
995 continue;
996 }
997 if (dcl->ops->dpy_gfx_switch) {
998 dcl->ops->dpy_gfx_switch(dcl, s->surface);
999 }
1000 }
1001 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1002 surface_height(s->surface));
1003 }
1004 if (ds->have_text) {
1005 dpy_text_resize(s, s->width, s->height);
1006 }
1007 text_console_update_cursor(NULL);
1008 }
1009 }
1010
1011 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1012 {
1013 QemuConsole *s = chr->opaque;
1014 int i;
1015
1016 s->update_x0 = s->width * FONT_WIDTH;
1017 s->update_y0 = s->height * FONT_HEIGHT;
1018 s->update_x1 = 0;
1019 s->update_y1 = 0;
1020 console_show_cursor(s, 0);
1021 for(i = 0; i < len; i++) {
1022 console_putchar(s, buf[i]);
1023 }
1024 console_show_cursor(s, 1);
1025 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1026 dpy_gfx_update(s, s->update_x0, s->update_y0,
1027 s->update_x1 - s->update_x0,
1028 s->update_y1 - s->update_y0);
1029 }
1030 return len;
1031 }
1032
1033 static void kbd_send_chars(void *opaque)
1034 {
1035 QemuConsole *s = opaque;
1036 int len;
1037 uint8_t buf[16];
1038
1039 len = qemu_chr_be_can_write(s->chr);
1040 if (len > s->out_fifo.count)
1041 len = s->out_fifo.count;
1042 if (len > 0) {
1043 if (len > sizeof(buf))
1044 len = sizeof(buf);
1045 qemu_fifo_read(&s->out_fifo, buf, len);
1046 qemu_chr_be_write(s->chr, buf, len);
1047 }
1048 /* characters are pending: we send them a bit later (XXX:
1049 horrible, should change char device API) */
1050 if (s->out_fifo.count > 0) {
1051 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1052 }
1053 }
1054
1055 /* called when an ascii key is pressed */
1056 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1057 {
1058 uint8_t buf[16], *q;
1059 int c;
1060
1061 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1062 return;
1063
1064 switch(keysym) {
1065 case QEMU_KEY_CTRL_UP:
1066 console_scroll(s, -1);
1067 break;
1068 case QEMU_KEY_CTRL_DOWN:
1069 console_scroll(s, 1);
1070 break;
1071 case QEMU_KEY_CTRL_PAGEUP:
1072 console_scroll(s, -10);
1073 break;
1074 case QEMU_KEY_CTRL_PAGEDOWN:
1075 console_scroll(s, 10);
1076 break;
1077 default:
1078 /* convert the QEMU keysym to VT100 key string */
1079 q = buf;
1080 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1081 *q++ = '\033';
1082 *q++ = '[';
1083 c = keysym - 0xe100;
1084 if (c >= 10)
1085 *q++ = '0' + (c / 10);
1086 *q++ = '0' + (c % 10);
1087 *q++ = '~';
1088 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1089 *q++ = '\033';
1090 *q++ = '[';
1091 *q++ = keysym & 0xff;
1092 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1093 console_puts(s->chr, (const uint8_t *) "\r", 1);
1094 *q++ = '\n';
1095 } else {
1096 *q++ = keysym;
1097 }
1098 if (s->echo) {
1099 console_puts(s->chr, buf, q - buf);
1100 }
1101 if (s->chr->chr_read) {
1102 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1103 kbd_send_chars(s);
1104 }
1105 break;
1106 }
1107 }
1108
1109 static const int qcode_to_keysym[Q_KEY_CODE__MAX] = {
1110 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1111 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1112 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1113 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1114 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1115 [Q_KEY_CODE_END] = QEMU_KEY_END,
1116 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1117 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1118 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1119 };
1120
1121 bool kbd_put_qcode_console(QemuConsole *s, int qcode)
1122 {
1123 int keysym;
1124
1125 keysym = qcode_to_keysym[qcode];
1126 if (keysym == 0) {
1127 return false;
1128 }
1129 kbd_put_keysym_console(s, keysym);
1130 return true;
1131 }
1132
1133 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1134 {
1135 int i;
1136
1137 for (i = 0; i < len && str[i]; i++) {
1138 kbd_put_keysym_console(s, str[i]);
1139 }
1140 }
1141
1142 void kbd_put_keysym(int keysym)
1143 {
1144 kbd_put_keysym_console(active_console, keysym);
1145 }
1146
1147 static void text_console_invalidate(void *opaque)
1148 {
1149 QemuConsole *s = (QemuConsole *) opaque;
1150
1151 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1152 text_console_resize(s);
1153 }
1154 console_refresh(s);
1155 }
1156
1157 static void text_console_update(void *opaque, console_ch_t *chardata)
1158 {
1159 QemuConsole *s = (QemuConsole *) opaque;
1160 int i, j, src;
1161
1162 if (s->text_x[0] <= s->text_x[1]) {
1163 src = (s->y_base + s->text_y[0]) * s->width;
1164 chardata += s->text_y[0] * s->width;
1165 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1166 for (j = 0; j < s->width; j++, src++) {
1167 console_write_ch(chardata ++,
1168 ATTR2CHTYPE(s->cells[src].ch,
1169 s->cells[src].t_attrib.fgcol,
1170 s->cells[src].t_attrib.bgcol,
1171 s->cells[src].t_attrib.bold));
1172 }
1173 dpy_text_update(s, s->text_x[0], s->text_y[0],
1174 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1175 s->text_x[0] = s->width;
1176 s->text_y[0] = s->height;
1177 s->text_x[1] = 0;
1178 s->text_y[1] = 0;
1179 }
1180 if (s->cursor_invalidate) {
1181 dpy_text_cursor(s, s->x, s->y);
1182 s->cursor_invalidate = 0;
1183 }
1184 }
1185
1186 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1187 uint32_t head)
1188 {
1189 Object *obj;
1190 QemuConsole *s;
1191 int i;
1192
1193 obj = object_new(TYPE_QEMU_CONSOLE);
1194 s = QEMU_CONSOLE(obj);
1195 s->head = head;
1196 object_property_add_link(obj, "device", TYPE_DEVICE,
1197 (Object **)&s->device,
1198 object_property_allow_set_link,
1199 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1200 &error_abort);
1201 object_property_add_uint32_ptr(obj, "head",
1202 &s->head, &error_abort);
1203
1204 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1205 (console_type == GRAPHIC_CONSOLE))) {
1206 active_console = s;
1207 }
1208 s->ds = ds;
1209 s->console_type = console_type;
1210
1211 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
1212 if (console_type != GRAPHIC_CONSOLE) {
1213 s->index = nb_consoles;
1214 consoles[nb_consoles++] = s;
1215 } else {
1216 /* HACK: Put graphical consoles before text consoles. */
1217 for (i = nb_consoles; i > 0; i--) {
1218 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1219 break;
1220 consoles[i] = consoles[i - 1];
1221 consoles[i]->index = i;
1222 }
1223 s->index = i;
1224 consoles[i] = s;
1225 nb_consoles++;
1226 }
1227 return s;
1228 }
1229
1230 static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
1231 {
1232 qemu_pixman_image_unref(surface->image);
1233 surface->image = NULL;
1234
1235 surface->format = PIXMAN_x8r8g8b8;
1236 surface->image = pixman_image_create_bits(surface->format,
1237 width, height,
1238 NULL, width * 4);
1239 assert(surface->image != NULL);
1240
1241 surface->flags = QEMU_ALLOCATED_FLAG;
1242 }
1243
1244 DisplaySurface *qemu_create_displaysurface(int width, int height)
1245 {
1246 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1247
1248 trace_displaysurface_create(surface, width, height);
1249 qemu_alloc_display(surface, width, height);
1250 return surface;
1251 }
1252
1253 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
1254 pixman_format_code_t format,
1255 int linesize, uint8_t *data)
1256 {
1257 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1258
1259 trace_displaysurface_create_from(surface, width, height, format);
1260 surface->format = format;
1261 surface->image = pixman_image_create_bits(surface->format,
1262 width, height,
1263 (void *)data, linesize);
1264 assert(surface->image != NULL);
1265
1266 return surface;
1267 }
1268
1269 static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image,
1270 void *unused)
1271 {
1272 void *data = pixman_image_get_data(image);
1273 uint32_t size = pixman_image_get_stride(image) *
1274 pixman_image_get_height(image);
1275 cpu_physical_memory_unmap(data, size, 0, 0);
1276 }
1277
1278 DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
1279 pixman_format_code_t format,
1280 int linesize, uint64_t addr)
1281 {
1282 DisplaySurface *surface;
1283 hwaddr size;
1284 void *data;
1285
1286 if (linesize == 0) {
1287 linesize = width * PIXMAN_FORMAT_BPP(format) / 8;
1288 }
1289
1290 size = (hwaddr)linesize * height;
1291 data = cpu_physical_memory_map(addr, &size, 0);
1292 if (size != (hwaddr)linesize * height) {
1293 cpu_physical_memory_unmap(data, size, 0, 0);
1294 return NULL;
1295 }
1296
1297 surface = qemu_create_displaysurface_from
1298 (width, height, format, linesize, data);
1299 pixman_image_set_destroy_function
1300 (surface->image, qemu_unmap_displaysurface_guestmem, NULL);
1301
1302 return surface;
1303 }
1304
1305 static DisplaySurface *qemu_create_message_surface(int w, int h,
1306 const char *msg)
1307 {
1308 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1309 pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK];
1310 pixman_color_t fg = color_table_rgb[0][QEMU_COLOR_WHITE];
1311 pixman_image_t *glyph;
1312 int len, x, y, i;
1313
1314 len = strlen(msg);
1315 x = (w / FONT_WIDTH - len) / 2;
1316 y = (h / FONT_HEIGHT - 1) / 2;
1317 for (i = 0; i < len; i++) {
1318 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1319 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1320 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1321 qemu_pixman_image_unref(glyph);
1322 }
1323 return surface;
1324 }
1325
1326 void qemu_free_displaysurface(DisplaySurface *surface)
1327 {
1328 if (surface == NULL) {
1329 return;
1330 }
1331 trace_displaysurface_free(surface);
1332 qemu_pixman_image_unref(surface->image);
1333 g_free(surface);
1334 }
1335
1336 bool console_has_gl(QemuConsole *con)
1337 {
1338 return con->gl != NULL;
1339 }
1340
1341 void register_displaychangelistener(DisplayChangeListener *dcl)
1342 {
1343 static const char nodev[] =
1344 "This VM has no graphic display device.";
1345 static DisplaySurface *dummy;
1346 QemuConsole *con;
1347
1348 if (dcl->ops->dpy_gl_ctx_create) {
1349 /* display has opengl support */
1350 assert(dcl->con);
1351 if (dcl->con->gl) {
1352 fprintf(stderr, "can't register two opengl displays (%s, %s)\n",
1353 dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name);
1354 exit(1);
1355 }
1356 dcl->con->gl = dcl;
1357 }
1358
1359 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1360 dcl->ds = get_alloc_displaystate();
1361 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1362 gui_setup_refresh(dcl->ds);
1363 if (dcl->con) {
1364 dcl->con->dcls++;
1365 con = dcl->con;
1366 } else {
1367 con = active_console;
1368 }
1369 if (dcl->ops->dpy_gfx_switch) {
1370 if (con) {
1371 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1372 } else {
1373 if (!dummy) {
1374 dummy = qemu_create_message_surface(640, 480, nodev);
1375 }
1376 dcl->ops->dpy_gfx_switch(dcl, dummy);
1377 }
1378 }
1379 text_console_update_cursor(NULL);
1380 }
1381
1382 void update_displaychangelistener(DisplayChangeListener *dcl,
1383 uint64_t interval)
1384 {
1385 DisplayState *ds = dcl->ds;
1386
1387 dcl->update_interval = interval;
1388 if (!ds->refreshing && ds->update_interval > interval) {
1389 timer_mod(ds->gui_timer, ds->last_update + interval);
1390 }
1391 }
1392
1393 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1394 {
1395 DisplayState *ds = dcl->ds;
1396 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1397 if (dcl->con) {
1398 dcl->con->dcls--;
1399 }
1400 QLIST_REMOVE(dcl, next);
1401 gui_setup_refresh(ds);
1402 }
1403
1404 static void dpy_set_ui_info_timer(void *opaque)
1405 {
1406 QemuConsole *con = opaque;
1407
1408 con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
1409 }
1410
1411 bool dpy_ui_info_supported(QemuConsole *con)
1412 {
1413 return con->hw_ops->ui_info != NULL;
1414 }
1415
1416 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1417 {
1418 assert(con != NULL);
1419 con->ui_info = *info;
1420 if (!dpy_ui_info_supported(con)) {
1421 return -1;
1422 }
1423
1424 /*
1425 * Typically we get a flood of these as the user resizes the window.
1426 * Wait until the dust has settled (one second without updates), then
1427 * go notify the guest.
1428 */
1429 timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1430 return 0;
1431 }
1432
1433 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1434 {
1435 DisplayState *s = con->ds;
1436 DisplayChangeListener *dcl;
1437 int width = w;
1438 int height = h;
1439
1440 if (con->surface) {
1441 width = surface_width(con->surface);
1442 height = surface_height(con->surface);
1443 }
1444 x = MAX(x, 0);
1445 y = MAX(y, 0);
1446 x = MIN(x, width);
1447 y = MIN(y, height);
1448 w = MIN(w, width - x);
1449 h = MIN(h, height - y);
1450
1451 if (!qemu_console_is_visible(con)) {
1452 return;
1453 }
1454 QLIST_FOREACH(dcl, &s->listeners, next) {
1455 if (con != (dcl->con ? dcl->con : active_console)) {
1456 continue;
1457 }
1458 if (dcl->ops->dpy_gfx_update) {
1459 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1460 }
1461 }
1462 }
1463
1464 void dpy_gfx_replace_surface(QemuConsole *con,
1465 DisplaySurface *surface)
1466 {
1467 DisplayState *s = con->ds;
1468 DisplaySurface *old_surface = con->surface;
1469 DisplayChangeListener *dcl;
1470
1471 con->surface = surface;
1472 QLIST_FOREACH(dcl, &s->listeners, next) {
1473 if (con != (dcl->con ? dcl->con : active_console)) {
1474 continue;
1475 }
1476 if (dcl->ops->dpy_gfx_switch) {
1477 dcl->ops->dpy_gfx_switch(dcl, surface);
1478 }
1479 }
1480 qemu_free_displaysurface(old_surface);
1481 }
1482
1483 bool dpy_gfx_check_format(QemuConsole *con,
1484 pixman_format_code_t format)
1485 {
1486 DisplayChangeListener *dcl;
1487 DisplayState *s = con->ds;
1488
1489 QLIST_FOREACH(dcl, &s->listeners, next) {
1490 if (dcl->con && dcl->con != con) {
1491 /* dcl bound to another console -> skip */
1492 continue;
1493 }
1494 if (dcl->ops->dpy_gfx_check_format) {
1495 if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
1496 return false;
1497 }
1498 } else {
1499 /* default is to whitelist native 32 bpp only */
1500 if (format != qemu_default_pixman_format(32, true)) {
1501 return false;
1502 }
1503 }
1504 }
1505 return true;
1506 }
1507
1508 static void dpy_refresh(DisplayState *s)
1509 {
1510 DisplayChangeListener *dcl;
1511
1512 QLIST_FOREACH(dcl, &s->listeners, next) {
1513 if (dcl->ops->dpy_refresh) {
1514 dcl->ops->dpy_refresh(dcl);
1515 }
1516 }
1517 }
1518
1519 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1520 int dst_x, int dst_y, int w, int h)
1521 {
1522 DisplayState *s = con->ds;
1523 DisplayChangeListener *dcl;
1524
1525 if (!qemu_console_is_visible(con)) {
1526 return;
1527 }
1528 QLIST_FOREACH(dcl, &s->listeners, next) {
1529 if (con != (dcl->con ? dcl->con : active_console)) {
1530 continue;
1531 }
1532 if (dcl->ops->dpy_gfx_copy) {
1533 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1534 } else { /* TODO */
1535 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1536 }
1537 }
1538 }
1539
1540 void dpy_text_cursor(QemuConsole *con, int x, int y)
1541 {
1542 DisplayState *s = con->ds;
1543 DisplayChangeListener *dcl;
1544
1545 if (!qemu_console_is_visible(con)) {
1546 return;
1547 }
1548 QLIST_FOREACH(dcl, &s->listeners, next) {
1549 if (con != (dcl->con ? dcl->con : active_console)) {
1550 continue;
1551 }
1552 if (dcl->ops->dpy_text_cursor) {
1553 dcl->ops->dpy_text_cursor(dcl, x, y);
1554 }
1555 }
1556 }
1557
1558 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1559 {
1560 DisplayState *s = con->ds;
1561 DisplayChangeListener *dcl;
1562
1563 if (!qemu_console_is_visible(con)) {
1564 return;
1565 }
1566 QLIST_FOREACH(dcl, &s->listeners, next) {
1567 if (con != (dcl->con ? dcl->con : active_console)) {
1568 continue;
1569 }
1570 if (dcl->ops->dpy_text_update) {
1571 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1572 }
1573 }
1574 }
1575
1576 void dpy_text_resize(QemuConsole *con, int w, int h)
1577 {
1578 DisplayState *s = con->ds;
1579 DisplayChangeListener *dcl;
1580
1581 if (!qemu_console_is_visible(con)) {
1582 return;
1583 }
1584 QLIST_FOREACH(dcl, &s->listeners, next) {
1585 if (con != (dcl->con ? dcl->con : active_console)) {
1586 continue;
1587 }
1588 if (dcl->ops->dpy_text_resize) {
1589 dcl->ops->dpy_text_resize(dcl, w, h);
1590 }
1591 }
1592 }
1593
1594 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1595 {
1596 DisplayState *s = con->ds;
1597 DisplayChangeListener *dcl;
1598
1599 if (!qemu_console_is_visible(con)) {
1600 return;
1601 }
1602 QLIST_FOREACH(dcl, &s->listeners, next) {
1603 if (con != (dcl->con ? dcl->con : active_console)) {
1604 continue;
1605 }
1606 if (dcl->ops->dpy_mouse_set) {
1607 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1608 }
1609 }
1610 }
1611
1612 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1613 {
1614 DisplayState *s = con->ds;
1615 DisplayChangeListener *dcl;
1616
1617 if (!qemu_console_is_visible(con)) {
1618 return;
1619 }
1620 QLIST_FOREACH(dcl, &s->listeners, next) {
1621 if (con != (dcl->con ? dcl->con : active_console)) {
1622 continue;
1623 }
1624 if (dcl->ops->dpy_cursor_define) {
1625 dcl->ops->dpy_cursor_define(dcl, cursor);
1626 }
1627 }
1628 }
1629
1630 bool dpy_cursor_define_supported(QemuConsole *con)
1631 {
1632 DisplayState *s = con->ds;
1633 DisplayChangeListener *dcl;
1634
1635 QLIST_FOREACH(dcl, &s->listeners, next) {
1636 if (dcl->ops->dpy_cursor_define) {
1637 return true;
1638 }
1639 }
1640 return false;
1641 }
1642
1643 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
1644 struct QEMUGLParams *qparams)
1645 {
1646 assert(con->gl);
1647 return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams);
1648 }
1649
1650 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx)
1651 {
1652 assert(con->gl);
1653 con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx);
1654 }
1655
1656 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx)
1657 {
1658 assert(con->gl);
1659 return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx);
1660 }
1661
1662 QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
1663 {
1664 assert(con->gl);
1665 return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
1666 }
1667
1668 void dpy_gl_scanout(QemuConsole *con,
1669 uint32_t backing_id, bool backing_y_0_top,
1670 uint32_t x, uint32_t y, uint32_t width, uint32_t height)
1671 {
1672 assert(con->gl);
1673 con->gl->ops->dpy_gl_scanout(con->gl, backing_id,
1674 backing_y_0_top,
1675 x, y, width, height);
1676 }
1677
1678 void dpy_gl_update(QemuConsole *con,
1679 uint32_t x, uint32_t y, uint32_t w, uint32_t h)
1680 {
1681 assert(con->gl);
1682 con->gl->ops->dpy_gl_update(con->gl, x, y, w, h);
1683 }
1684
1685 /***********************************************************/
1686 /* register display */
1687
1688 /* console.c internal use only */
1689 static DisplayState *get_alloc_displaystate(void)
1690 {
1691 if (!display_state) {
1692 display_state = g_new0(DisplayState, 1);
1693 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1694 text_console_update_cursor, NULL);
1695 }
1696 return display_state;
1697 }
1698
1699 /*
1700 * Called by main(), after creating QemuConsoles
1701 * and before initializing ui (sdl/vnc/...).
1702 */
1703 DisplayState *init_displaystate(void)
1704 {
1705 gchar *name;
1706 int i;
1707
1708 get_alloc_displaystate();
1709 for (i = 0; i < nb_consoles; i++) {
1710 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1711 consoles[i]->ds == NULL) {
1712 text_console_do_init(consoles[i]->chr, display_state);
1713 }
1714
1715 /* Hook up into the qom tree here (not in new_console()), once
1716 * all QemuConsoles are created and the order / numbering
1717 * doesn't change any more */
1718 name = g_strdup_printf("console[%d]", i);
1719 object_property_add_child(container_get(object_get_root(), "/backend"),
1720 name, OBJECT(consoles[i]), &error_abort);
1721 g_free(name);
1722 }
1723
1724 return display_state;
1725 }
1726
1727 void graphic_console_set_hwops(QemuConsole *con,
1728 const GraphicHwOps *hw_ops,
1729 void *opaque)
1730 {
1731 con->hw_ops = hw_ops;
1732 con->hw = opaque;
1733 }
1734
1735 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1736 const GraphicHwOps *hw_ops,
1737 void *opaque)
1738 {
1739 static const char noinit[] =
1740 "Guest has not initialized the display (yet).";
1741 int width = 640;
1742 int height = 480;
1743 QemuConsole *s;
1744 DisplayState *ds;
1745
1746 ds = get_alloc_displaystate();
1747 trace_console_gfx_new();
1748 s = new_console(ds, GRAPHIC_CONSOLE, head);
1749 s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s);
1750 graphic_console_set_hwops(s, hw_ops, opaque);
1751 if (dev) {
1752 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1753 &error_abort);
1754 }
1755
1756 s->surface = qemu_create_message_surface(width, height, noinit);
1757 return s;
1758 }
1759
1760 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1761 {
1762 if (index >= nb_consoles) {
1763 return NULL;
1764 }
1765 return consoles[index];
1766 }
1767
1768 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1769 {
1770 Object *obj;
1771 uint32_t h;
1772 int i;
1773
1774 for (i = 0; i < nb_consoles; i++) {
1775 if (!consoles[i]) {
1776 continue;
1777 }
1778 obj = object_property_get_link(OBJECT(consoles[i]),
1779 "device", &error_abort);
1780 if (DEVICE(obj) != dev) {
1781 continue;
1782 }
1783 h = object_property_get_int(OBJECT(consoles[i]),
1784 "head", &error_abort);
1785 if (h != head) {
1786 continue;
1787 }
1788 return consoles[i];
1789 }
1790 return NULL;
1791 }
1792
1793 bool qemu_console_is_visible(QemuConsole *con)
1794 {
1795 return (con == active_console) || (con->dcls > 0);
1796 }
1797
1798 bool qemu_console_is_graphic(QemuConsole *con)
1799 {
1800 if (con == NULL) {
1801 con = active_console;
1802 }
1803 return con && (con->console_type == GRAPHIC_CONSOLE);
1804 }
1805
1806 bool qemu_console_is_fixedsize(QemuConsole *con)
1807 {
1808 if (con == NULL) {
1809 con = active_console;
1810 }
1811 return con && (con->console_type != TEXT_CONSOLE);
1812 }
1813
1814 char *qemu_console_get_label(QemuConsole *con)
1815 {
1816 if (con->console_type == GRAPHIC_CONSOLE) {
1817 if (con->device) {
1818 return g_strdup(object_get_typename(con->device));
1819 }
1820 return g_strdup("VGA");
1821 } else {
1822 if (con->chr && con->chr->label) {
1823 return g_strdup(con->chr->label);
1824 }
1825 return g_strdup_printf("vc%d", con->index);
1826 }
1827 }
1828
1829 int qemu_console_get_index(QemuConsole *con)
1830 {
1831 if (con == NULL) {
1832 con = active_console;
1833 }
1834 return con ? con->index : -1;
1835 }
1836
1837 uint32_t qemu_console_get_head(QemuConsole *con)
1838 {
1839 if (con == NULL) {
1840 con = active_console;
1841 }
1842 return con ? con->head : -1;
1843 }
1844
1845 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
1846 {
1847 assert(con != NULL);
1848 return &con->ui_info;
1849 }
1850
1851 int qemu_console_get_width(QemuConsole *con, int fallback)
1852 {
1853 if (con == NULL) {
1854 con = active_console;
1855 }
1856 return con ? surface_width(con->surface) : fallback;
1857 }
1858
1859 int qemu_console_get_height(QemuConsole *con, int fallback)
1860 {
1861 if (con == NULL) {
1862 con = active_console;
1863 }
1864 return con ? surface_height(con->surface) : fallback;
1865 }
1866
1867 static void text_console_set_echo(CharDriverState *chr, bool echo)
1868 {
1869 QemuConsole *s = chr->opaque;
1870
1871 s->echo = echo;
1872 }
1873
1874 static void text_console_update_cursor_timer(void)
1875 {
1876 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
1877 + CONSOLE_CURSOR_PERIOD / 2);
1878 }
1879
1880 static void text_console_update_cursor(void *opaque)
1881 {
1882 QemuConsole *s;
1883 int i, count = 0;
1884
1885 cursor_visible_phase = !cursor_visible_phase;
1886
1887 for (i = 0; i < nb_consoles; i++) {
1888 s = consoles[i];
1889 if (qemu_console_is_graphic(s) ||
1890 !qemu_console_is_visible(s)) {
1891 continue;
1892 }
1893 count++;
1894 graphic_hw_invalidate(s);
1895 }
1896
1897 if (count) {
1898 text_console_update_cursor_timer();
1899 }
1900 }
1901
1902 static const GraphicHwOps text_console_ops = {
1903 .invalidate = text_console_invalidate,
1904 .text_update = text_console_update,
1905 };
1906
1907 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1908 {
1909 QemuConsole *s;
1910 int g_width = 80 * FONT_WIDTH;
1911 int g_height = 24 * FONT_HEIGHT;
1912
1913 s = chr->opaque;
1914
1915 chr->chr_write = console_puts;
1916
1917 s->out_fifo.buf = s->out_fifo_buf;
1918 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1919 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
1920 s->ds = ds;
1921
1922 s->y_displayed = 0;
1923 s->y_base = 0;
1924 s->total_height = DEFAULT_BACKSCROLL;
1925 s->x = 0;
1926 s->y = 0;
1927 if (!s->surface) {
1928 if (active_console && active_console->surface) {
1929 g_width = surface_width(active_console->surface);
1930 g_height = surface_height(active_console->surface);
1931 }
1932 s->surface = qemu_create_displaysurface(g_width, g_height);
1933 }
1934
1935 s->hw_ops = &text_console_ops;
1936 s->hw = s;
1937
1938 /* Set text attribute defaults */
1939 s->t_attrib_default.bold = 0;
1940 s->t_attrib_default.uline = 0;
1941 s->t_attrib_default.blink = 0;
1942 s->t_attrib_default.invers = 0;
1943 s->t_attrib_default.unvisible = 0;
1944 s->t_attrib_default.fgcol = QEMU_COLOR_WHITE;
1945 s->t_attrib_default.bgcol = QEMU_COLOR_BLACK;
1946 /* set current text attributes to default */
1947 s->t_attrib = s->t_attrib_default;
1948 text_console_resize(s);
1949
1950 if (chr->label) {
1951 char msg[128];
1952 int len;
1953
1954 s->t_attrib.bgcol = QEMU_COLOR_BLUE;
1955 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1956 console_puts(chr, (uint8_t*)msg, len);
1957 s->t_attrib = s->t_attrib_default;
1958 }
1959
1960 qemu_chr_be_generic_open(chr);
1961 if (chr->init)
1962 chr->init(chr);
1963 }
1964
1965 static CharDriverState *text_console_init(ChardevVC *vc, Error **errp)
1966 {
1967 ChardevCommon *common = qapi_ChardevVC_base(vc);
1968 CharDriverState *chr;
1969 QemuConsole *s;
1970 unsigned width = 0;
1971 unsigned height = 0;
1972
1973 chr = qemu_chr_alloc(common, errp);
1974 if (!chr) {
1975 return NULL;
1976 }
1977
1978 if (vc->has_width) {
1979 width = vc->width;
1980 } else if (vc->has_cols) {
1981 width = vc->cols * FONT_WIDTH;
1982 }
1983
1984 if (vc->has_height) {
1985 height = vc->height;
1986 } else if (vc->has_rows) {
1987 height = vc->rows * FONT_HEIGHT;
1988 }
1989
1990 trace_console_txt_new(width, height);
1991 if (width == 0 || height == 0) {
1992 s = new_console(NULL, TEXT_CONSOLE, 0);
1993 } else {
1994 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
1995 s->surface = qemu_create_displaysurface(width, height);
1996 }
1997
1998 if (!s) {
1999 g_free(chr);
2000 error_setg(errp, "cannot create text console");
2001 return NULL;
2002 }
2003
2004 s->chr = chr;
2005 chr->opaque = s;
2006 chr->chr_set_echo = text_console_set_echo;
2007 /* console/chardev init sometimes completes elsewhere in a 2nd
2008 * stage, so defer OPENED events until they are fully initialized
2009 */
2010 chr->explicit_be_open = true;
2011
2012 if (display_state) {
2013 text_console_do_init(chr, display_state);
2014 }
2015 return chr;
2016 }
2017
2018 static VcHandler *vc_handler = text_console_init;
2019
2020 static CharDriverState *vc_init(const char *id, ChardevBackend *backend,
2021 ChardevReturn *ret, Error **errp)
2022 {
2023 return vc_handler(backend->u.vc, errp);
2024 }
2025
2026 void register_vc_handler(VcHandler *handler)
2027 {
2028 vc_handler = handler;
2029 }
2030
2031 void qemu_console_resize(QemuConsole *s, int width, int height)
2032 {
2033 DisplaySurface *surface;
2034
2035 assert(s->console_type == GRAPHIC_CONSOLE);
2036 surface = qemu_create_displaysurface(width, height);
2037 dpy_gfx_replace_surface(s, surface);
2038 }
2039
2040 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
2041 int dst_x, int dst_y, int w, int h)
2042 {
2043 assert(con->console_type == GRAPHIC_CONSOLE);
2044 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
2045 }
2046
2047 DisplaySurface *qemu_console_surface(QemuConsole *console)
2048 {
2049 return console->surface;
2050 }
2051
2052 PixelFormat qemu_default_pixelformat(int bpp)
2053 {
2054 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
2055 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
2056 return pf;
2057 }
2058
2059 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
2060 Error **errp)
2061 {
2062 int val;
2063
2064 backend->u.vc = g_new0(ChardevVC, 1);
2065
2066 val = qemu_opt_get_number(opts, "width", 0);
2067 if (val != 0) {
2068 backend->u.vc->has_width = true;
2069 backend->u.vc->width = val;
2070 }
2071
2072 val = qemu_opt_get_number(opts, "height", 0);
2073 if (val != 0) {
2074 backend->u.vc->has_height = true;
2075 backend->u.vc->height = val;
2076 }
2077
2078 val = qemu_opt_get_number(opts, "cols", 0);
2079 if (val != 0) {
2080 backend->u.vc->has_cols = true;
2081 backend->u.vc->cols = val;
2082 }
2083
2084 val = qemu_opt_get_number(opts, "rows", 0);
2085 if (val != 0) {
2086 backend->u.vc->has_rows = true;
2087 backend->u.vc->rows = val;
2088 }
2089 }
2090
2091 static const TypeInfo qemu_console_info = {
2092 .name = TYPE_QEMU_CONSOLE,
2093 .parent = TYPE_OBJECT,
2094 .instance_size = sizeof(QemuConsole),
2095 .class_size = sizeof(QemuConsoleClass),
2096 };
2097
2098
2099 static void register_types(void)
2100 {
2101 type_register_static(&qemu_console_info);
2102 register_char_driver("vc", CHARDEV_BACKEND_KIND_VC, qemu_chr_parse_vc,
2103 vc_init);
2104 }
2105
2106 type_init(register_types);
AR7 emulation for QEMU