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xen: factor out common functions
[qemu/ar7.git] / ui / console.c
blobe057755c041f6a8066afdd80d2b3798c649cdc20
1 /*
2 * QEMU graphical console
3 *
4 * Copyright (c) 2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu-common.h"
25 #include "ui/console.h"
26 #include "hw/qdev-core.h"
27 #include "qemu/timer.h"
28 #include "qmp-commands.h"
29 #include "sysemu/char.h"
30 #include "trace.h"
31
32 #define DEFAULT_BACKSCROLL 512
33 #define MAX_CONSOLES 12
34 #define CONSOLE_CURSOR_PERIOD 500
35
36 typedef struct TextAttributes {
37 uint8_t fgcol:4;
38 uint8_t bgcol:4;
39 uint8_t bold:1;
40 uint8_t uline:1;
41 uint8_t blink:1;
42 uint8_t invers:1;
43 uint8_t unvisible:1;
44 } TextAttributes;
45
46 typedef struct TextCell {
47 uint8_t ch;
48 TextAttributes t_attrib;
49 } TextCell;
50
51 #define MAX_ESC_PARAMS 3
52
53 enum TTYState {
54 TTY_STATE_NORM,
55 TTY_STATE_ESC,
56 TTY_STATE_CSI,
57 };
58
59 typedef struct QEMUFIFO {
60 uint8_t *buf;
61 int buf_size;
62 int count, wptr, rptr;
63 } QEMUFIFO;
64
65 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
66 {
67 int l, len;
68
69 l = f->buf_size - f->count;
70 if (len1 > l)
71 len1 = l;
72 len = len1;
73 while (len > 0) {
74 l = f->buf_size - f->wptr;
75 if (l > len)
76 l = len;
77 memcpy(f->buf + f->wptr, buf, l);
78 f->wptr += l;
79 if (f->wptr >= f->buf_size)
80 f->wptr = 0;
81 buf += l;
82 len -= l;
83 }
84 f->count += len1;
85 return len1;
86 }
87
88 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
89 {
90 int l, len;
91
92 if (len1 > f->count)
93 len1 = f->count;
94 len = len1;
95 while (len > 0) {
96 l = f->buf_size - f->rptr;
97 if (l > len)
98 l = len;
99 memcpy(buf, f->buf + f->rptr, l);
100 f->rptr += l;
101 if (f->rptr >= f->buf_size)
102 f->rptr = 0;
103 buf += l;
104 len -= l;
105 }
106 f->count -= len1;
107 return len1;
108 }
109
110 typedef enum {
111 GRAPHIC_CONSOLE,
112 TEXT_CONSOLE,
113 TEXT_CONSOLE_FIXED_SIZE
114 } console_type_t;
115
116 struct QemuConsole {
117 Object parent;
118
119 int index;
120 console_type_t console_type;
121 DisplayState *ds;
122 DisplaySurface *surface;
123 int dcls;
124
125 /* Graphic console state. */
126 Object *device;
127 uint32_t head;
128 QemuUIInfo ui_info;
129 const GraphicHwOps *hw_ops;
130 void *hw;
131
132 /* Text console state */
133 int width;
134 int height;
135 int total_height;
136 int backscroll_height;
137 int x, y;
138 int x_saved, y_saved;
139 int y_displayed;
140 int y_base;
141 TextAttributes t_attrib_default; /* default text attributes */
142 TextAttributes t_attrib; /* currently active text attributes */
143 TextCell *cells;
144 int text_x[2], text_y[2], cursor_invalidate;
145 int echo;
146 bool cursor_visible_phase;
147 QEMUTimer *cursor_timer;
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[MAX_CONSOLES];
179 static int nb_consoles = 0;
180
181 static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
182 static void dpy_refresh(DisplayState *s);
183 static DisplayState *get_alloc_displaystate(void);
184
185 static void gui_update(void *opaque)
186 {
187 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
188 uint64_t dcl_interval;
189 DisplayState *ds = opaque;
190 DisplayChangeListener *dcl;
191 int i;
192
193 ds->refreshing = true;
194 dpy_refresh(ds);
195 ds->refreshing = false;
196
197 QLIST_FOREACH(dcl, &ds->listeners, next) {
198 dcl_interval = dcl->update_interval ?
199 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
200 if (interval > dcl_interval) {
201 interval = dcl_interval;
202 }
203 }
204 if (ds->update_interval != interval) {
205 ds->update_interval = interval;
206 for (i = 0; i < nb_consoles; i++) {
207 if (consoles[i]->hw_ops->update_interval) {
208 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
209 }
210 }
211 trace_console_refresh(interval);
212 }
213 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
214 timer_mod(ds->gui_timer, ds->last_update + interval);
215 }
216
217 static void gui_setup_refresh(DisplayState *ds)
218 {
219 DisplayChangeListener *dcl;
220 bool need_timer = false;
221 bool have_gfx = false;
222 bool have_text = false;
223
224 QLIST_FOREACH(dcl, &ds->listeners, next) {
225 if (dcl->ops->dpy_refresh != NULL) {
226 need_timer = true;
227 }
228 if (dcl->ops->dpy_gfx_update != NULL) {
229 have_gfx = true;
230 }
231 if (dcl->ops->dpy_text_update != NULL) {
232 have_text = true;
233 }
234 }
235
236 if (need_timer && ds->gui_timer == NULL) {
237 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
238 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
239 }
240 if (!need_timer && ds->gui_timer != NULL) {
241 timer_del(ds->gui_timer);
242 timer_free(ds->gui_timer);
243 ds->gui_timer = NULL;
244 }
245
246 ds->have_gfx = have_gfx;
247 ds->have_text = have_text;
248 }
249
250 void graphic_hw_update(QemuConsole *con)
251 {
252 if (!con) {
253 con = active_console;
254 }
255 if (con && con->hw_ops->gfx_update) {
256 con->hw_ops->gfx_update(con->hw);
257 }
258 }
259
260 void graphic_hw_invalidate(QemuConsole *con)
261 {
262 if (!con) {
263 con = active_console;
264 }
265 if (con && con->hw_ops->invalidate) {
266 con->hw_ops->invalidate(con->hw);
267 }
268 }
269
270 static void ppm_save(const char *filename, struct DisplaySurface *ds,
271 Error **errp)
272 {
273 int width = pixman_image_get_width(ds->image);
274 int height = pixman_image_get_height(ds->image);
275 int fd;
276 FILE *f;
277 int y;
278 int ret;
279 pixman_image_t *linebuf;
280
281 trace_ppm_save(filename, ds);
282 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
283 if (fd == -1) {
284 error_setg(errp, "failed to open file '%s': %s", filename,
285 strerror(errno));
286 return;
287 }
288 f = fdopen(fd, "wb");
289 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
290 if (ret < 0) {
291 linebuf = NULL;
292 goto write_err;
293 }
294 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
295 for (y = 0; y < height; y++) {
296 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
297 clearerr(f);
298 ret = fwrite(pixman_image_get_data(linebuf), 1,
299 pixman_image_get_stride(linebuf), f);
300 (void)ret;
301 if (ferror(f)) {
302 goto write_err;
303 }
304 }
305
306 out:
307 qemu_pixman_image_unref(linebuf);
308 fclose(f);
309 return;
310
311 write_err:
312 error_setg(errp, "failed to write to file '%s': %s", filename,
313 strerror(errno));
314 unlink(filename);
315 goto out;
316 }
317
318 void qmp_screendump(const char *filename, Error **errp)
319 {
320 QemuConsole *con = qemu_console_lookup_by_index(0);
321 DisplaySurface *surface;
322
323 if (con == NULL) {
324 error_setg(errp, "There is no QemuConsole I can screendump from.");
325 return;
326 }
327
328 graphic_hw_update(con);
329 surface = qemu_console_surface(con);
330 ppm_save(filename, surface, errp);
331 }
332
333 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
334 {
335 if (!con) {
336 con = active_console;
337 }
338 if (con && con->hw_ops->text_update) {
339 con->hw_ops->text_update(con->hw, chardata);
340 }
341 }
342
343 static void vga_fill_rect(QemuConsole *con,
344 int posx, int posy, int width, int height,
345 pixman_color_t color)
346 {
347 DisplaySurface *surface = qemu_console_surface(con);
348 pixman_rectangle16_t rect = {
349 .x = posx, .y = posy, .width = width, .height = height
350 };
351
352 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
353 &color, 1, &rect);
354 }
355
356 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
357 static void vga_bitblt(QemuConsole *con,
358 int xs, int ys, int xd, int yd, int w, int h)
359 {
360 DisplaySurface *surface = qemu_console_surface(con);
361
362 pixman_image_composite(PIXMAN_OP_SRC,
363 surface->image, NULL, surface->image,
364 xs, ys, 0, 0, xd, yd, w, h);
365 }
366
367 /***********************************************************/
368 /* basic char display */
369
370 #define FONT_HEIGHT 16
371 #define FONT_WIDTH 8
372
373 #include "vgafont.h"
374
375 #ifndef CONFIG_CURSES
376 enum color_names {
377 COLOR_BLACK = 0,
378 COLOR_RED = 1,
379 COLOR_GREEN = 2,
380 COLOR_YELLOW = 3,
381 COLOR_BLUE = 4,
382 COLOR_MAGENTA = 5,
383 COLOR_CYAN = 6,
384 COLOR_WHITE = 7
385 };
386 #endif
387
388 #define QEMU_RGB(r, g, b) \
389 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
390
391 static const pixman_color_t color_table_rgb[2][8] = {
392 { /* dark */
393 QEMU_RGB(0x00, 0x00, 0x00), /* black */
394 QEMU_RGB(0xaa, 0x00, 0x00), /* red */
395 QEMU_RGB(0x00, 0xaa, 0x00), /* green */
396 QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
397 QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
398 QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
399 QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
400 QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
401 },
402 { /* bright */
403 QEMU_RGB(0x00, 0x00, 0x00), /* black */
404 QEMU_RGB(0xff, 0x00, 0x00), /* red */
405 QEMU_RGB(0x00, 0xff, 0x00), /* green */
406 QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
407 QEMU_RGB(0x00, 0x00, 0xff), /* blue */
408 QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
409 QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
410 QEMU_RGB(0xff, 0xff, 0xff), /* white */
411 }
412 };
413
414 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
415 TextAttributes *t_attrib)
416 {
417 static pixman_image_t *glyphs[256];
418 DisplaySurface *surface = qemu_console_surface(s);
419 pixman_color_t fgcol, bgcol;
420
421 if (t_attrib->invers) {
422 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
423 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
424 } else {
425 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
426 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
427 }
428
429 if (!glyphs[ch]) {
430 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
431 }
432 qemu_pixman_glyph_render(glyphs[ch], surface->image,
433 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
434 }
435
436 static void text_console_resize(QemuConsole *s)
437 {
438 TextCell *cells, *c, *c1;
439 int w1, x, y, last_width;
440
441 last_width = s->width;
442 s->width = surface_width(s->surface) / FONT_WIDTH;
443 s->height = surface_height(s->surface) / FONT_HEIGHT;
444
445 w1 = last_width;
446 if (s->width < w1)
447 w1 = s->width;
448
449 cells = g_malloc(s->width * s->total_height * sizeof(TextCell));
450 for(y = 0; y < s->total_height; y++) {
451 c = &cells[y * s->width];
452 if (w1 > 0) {
453 c1 = &s->cells[y * last_width];
454 for(x = 0; x < w1; x++) {
455 *c++ = *c1++;
456 }
457 }
458 for(x = w1; x < s->width; x++) {
459 c->ch = ' ';
460 c->t_attrib = s->t_attrib_default;
461 c++;
462 }
463 }
464 g_free(s->cells);
465 s->cells = cells;
466 }
467
468 static inline void text_update_xy(QemuConsole *s, int x, int y)
469 {
470 s->text_x[0] = MIN(s->text_x[0], x);
471 s->text_x[1] = MAX(s->text_x[1], x);
472 s->text_y[0] = MIN(s->text_y[0], y);
473 s->text_y[1] = MAX(s->text_y[1], y);
474 }
475
476 static void invalidate_xy(QemuConsole *s, int x, int y)
477 {
478 if (s->update_x0 > x * FONT_WIDTH)
479 s->update_x0 = x * FONT_WIDTH;
480 if (s->update_y0 > y * FONT_HEIGHT)
481 s->update_y0 = y * FONT_HEIGHT;
482 if (s->update_x1 < (x + 1) * FONT_WIDTH)
483 s->update_x1 = (x + 1) * FONT_WIDTH;
484 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
485 s->update_y1 = (y + 1) * FONT_HEIGHT;
486 }
487
488 static void update_xy(QemuConsole *s, int x, int y)
489 {
490 TextCell *c;
491 int y1, y2;
492
493 if (!qemu_console_is_visible(s)) {
494 return;
495 }
496
497 if (s->ds->have_text) {
498 text_update_xy(s, x, y);
499 }
500
501 if (s->ds->have_gfx) {
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 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
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 (!qemu_console_is_visible(s)) {
522 return;
523 }
524
525 if (s->ds->have_text) {
526 s->cursor_invalidate = 1;
527 }
528
529 if (s->ds->have_gfx) {
530 if (x >= s->width) {
531 x = s->width - 1;
532 }
533 y1 = (s->y_base + s->y) % s->total_height;
534 y = y1 - s->y_displayed;
535 if (y < 0)
536 y += s->total_height;
537 if (y < s->height) {
538 c = &s->cells[y1 * s->width + x];
539 if (show && s->cursor_visible_phase) {
540 TextAttributes t_attrib = s->t_attrib_default;
541 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
542 vga_putcharxy(s, x, y, c->ch, &t_attrib);
543 } else {
544 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
545 }
546 invalidate_xy(s, x, y);
547 }
548 }
549 }
550
551 static void console_refresh(QemuConsole *s)
552 {
553 DisplaySurface *surface = qemu_console_surface(s);
554 TextCell *c;
555 int x, y, y1;
556
557 if (!qemu_console_is_visible(s)) {
558 return;
559 }
560
561 if (s->ds->have_text) {
562 s->text_x[0] = 0;
563 s->text_y[0] = 0;
564 s->text_x[1] = s->width - 1;
565 s->text_y[1] = s->height - 1;
566 s->cursor_invalidate = 1;
567 }
568
569 if (s->ds->have_gfx) {
570 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
571 color_table_rgb[0][COLOR_BLACK]);
572 y1 = s->y_displayed;
573 for (y = 0; y < s->height; y++) {
574 c = s->cells + y1 * s->width;
575 for (x = 0; x < s->width; x++) {
576 vga_putcharxy(s, x, y, c->ch,
577 &(c->t_attrib));
578 c++;
579 }
580 if (++y1 == s->total_height) {
581 y1 = 0;
582 }
583 }
584 console_show_cursor(s, 1);
585 dpy_gfx_update(s, 0, 0,
586 surface_width(surface), surface_height(surface));
587 }
588 }
589
590 static void console_scroll(QemuConsole *s, int ydelta)
591 {
592 int i, y1;
593
594 if (ydelta > 0) {
595 for(i = 0; i < ydelta; i++) {
596 if (s->y_displayed == s->y_base)
597 break;
598 if (++s->y_displayed == s->total_height)
599 s->y_displayed = 0;
600 }
601 } else {
602 ydelta = -ydelta;
603 i = s->backscroll_height;
604 if (i > s->total_height - s->height)
605 i = s->total_height - s->height;
606 y1 = s->y_base - i;
607 if (y1 < 0)
608 y1 += s->total_height;
609 for(i = 0; i < ydelta; i++) {
610 if (s->y_displayed == y1)
611 break;
612 if (--s->y_displayed < 0)
613 s->y_displayed = s->total_height - 1;
614 }
615 }
616 console_refresh(s);
617 }
618
619 static void console_put_lf(QemuConsole *s)
620 {
621 TextCell *c;
622 int x, y1;
623
624 s->y++;
625 if (s->y >= s->height) {
626 s->y = s->height - 1;
627
628 if (s->y_displayed == s->y_base) {
629 if (++s->y_displayed == s->total_height)
630 s->y_displayed = 0;
631 }
632 if (++s->y_base == s->total_height)
633 s->y_base = 0;
634 if (s->backscroll_height < s->total_height)
635 s->backscroll_height++;
636 y1 = (s->y_base + s->height - 1) % s->total_height;
637 c = &s->cells[y1 * s->width];
638 for(x = 0; x < s->width; x++) {
639 c->ch = ' ';
640 c->t_attrib = s->t_attrib_default;
641 c++;
642 }
643 if (qemu_console_is_visible(s) && s->y_displayed == s->y_base) {
644 if (s->ds->have_text) {
645 s->text_x[0] = 0;
646 s->text_y[0] = 0;
647 s->text_x[1] = s->width - 1;
648 s->text_y[1] = s->height - 1;
649 }
650
651 if (s->ds->have_gfx) {
652 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
653 s->width * FONT_WIDTH,
654 (s->height - 1) * FONT_HEIGHT);
655 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
656 s->width * FONT_WIDTH, FONT_HEIGHT,
657 color_table_rgb[0][s->t_attrib_default.bgcol]);
658 s->update_x0 = 0;
659 s->update_y0 = 0;
660 s->update_x1 = s->width * FONT_WIDTH;
661 s->update_y1 = s->height * FONT_HEIGHT;
662 }
663 }
664 }
665 }
666
667 /* Set console attributes depending on the current escape codes.
668 * NOTE: I know this code is not very efficient (checking every color for it
669 * self) but it is more readable and better maintainable.
670 */
671 static void console_handle_escape(QemuConsole *s)
672 {
673 int i;
674
675 for (i=0; i<s->nb_esc_params; i++) {
676 switch (s->esc_params[i]) {
677 case 0: /* reset all console attributes to default */
678 s->t_attrib = s->t_attrib_default;
679 break;
680 case 1:
681 s->t_attrib.bold = 1;
682 break;
683 case 4:
684 s->t_attrib.uline = 1;
685 break;
686 case 5:
687 s->t_attrib.blink = 1;
688 break;
689 case 7:
690 s->t_attrib.invers = 1;
691 break;
692 case 8:
693 s->t_attrib.unvisible = 1;
694 break;
695 case 22:
696 s->t_attrib.bold = 0;
697 break;
698 case 24:
699 s->t_attrib.uline = 0;
700 break;
701 case 25:
702 s->t_attrib.blink = 0;
703 break;
704 case 27:
705 s->t_attrib.invers = 0;
706 break;
707 case 28:
708 s->t_attrib.unvisible = 0;
709 break;
710 /* set foreground color */
711 case 30:
712 s->t_attrib.fgcol=COLOR_BLACK;
713 break;
714 case 31:
715 s->t_attrib.fgcol=COLOR_RED;
716 break;
717 case 32:
718 s->t_attrib.fgcol=COLOR_GREEN;
719 break;
720 case 33:
721 s->t_attrib.fgcol=COLOR_YELLOW;
722 break;
723 case 34:
724 s->t_attrib.fgcol=COLOR_BLUE;
725 break;
726 case 35:
727 s->t_attrib.fgcol=COLOR_MAGENTA;
728 break;
729 case 36:
730 s->t_attrib.fgcol=COLOR_CYAN;
731 break;
732 case 37:
733 s->t_attrib.fgcol=COLOR_WHITE;
734 break;
735 /* set background color */
736 case 40:
737 s->t_attrib.bgcol=COLOR_BLACK;
738 break;
739 case 41:
740 s->t_attrib.bgcol=COLOR_RED;
741 break;
742 case 42:
743 s->t_attrib.bgcol=COLOR_GREEN;
744 break;
745 case 43:
746 s->t_attrib.bgcol=COLOR_YELLOW;
747 break;
748 case 44:
749 s->t_attrib.bgcol=COLOR_BLUE;
750 break;
751 case 45:
752 s->t_attrib.bgcol=COLOR_MAGENTA;
753 break;
754 case 46:
755 s->t_attrib.bgcol=COLOR_CYAN;
756 break;
757 case 47:
758 s->t_attrib.bgcol=COLOR_WHITE;
759 break;
760 }
761 }
762 }
763
764 static void console_clear_xy(QemuConsole *s, int x, int y)
765 {
766 int y1 = (s->y_base + y) % s->total_height;
767 TextCell *c = &s->cells[y1 * s->width + x];
768 c->ch = ' ';
769 c->t_attrib = s->t_attrib_default;
770 update_xy(s, x, y);
771 }
772
773 /* set cursor, checking bounds */
774 static void set_cursor(QemuConsole *s, int x, int y)
775 {
776 if (x < 0) {
777 x = 0;
778 }
779 if (y < 0) {
780 y = 0;
781 }
782 if (y >= s->height) {
783 y = s->height - 1;
784 }
785 if (x >= s->width) {
786 x = s->width - 1;
787 }
788
789 s->x = x;
790 s->y = y;
791 }
792
793 static void console_putchar(QemuConsole *s, int ch)
794 {
795 TextCell *c;
796 int y1, i;
797 int x, y;
798
799 switch(s->state) {
800 case TTY_STATE_NORM:
801 switch(ch) {
802 case '\r': /* carriage return */
803 s->x = 0;
804 break;
805 case '\n': /* newline */
806 console_put_lf(s);
807 break;
808 case '\b': /* backspace */
809 if (s->x > 0)
810 s->x--;
811 break;
812 case '\t': /* tabspace */
813 if (s->x + (8 - (s->x % 8)) > s->width) {
814 s->x = 0;
815 console_put_lf(s);
816 } else {
817 s->x = s->x + (8 - (s->x % 8));
818 }
819 break;
820 case '\a': /* alert aka. bell */
821 /* TODO: has to be implemented */
822 break;
823 case 14:
824 /* SI (shift in), character set 0 (ignored) */
825 break;
826 case 15:
827 /* SO (shift out), character set 1 (ignored) */
828 break;
829 case 27: /* esc (introducing an escape sequence) */
830 s->state = TTY_STATE_ESC;
831 break;
832 default:
833 if (s->x >= s->width) {
834 /* line wrap */
835 s->x = 0;
836 console_put_lf(s);
837 }
838 y1 = (s->y_base + s->y) % s->total_height;
839 c = &s->cells[y1 * s->width + s->x];
840 c->ch = ch;
841 c->t_attrib = s->t_attrib;
842 update_xy(s, s->x, s->y);
843 s->x++;
844 break;
845 }
846 break;
847 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
848 if (ch == '[') {
849 for(i=0;i<MAX_ESC_PARAMS;i++)
850 s->esc_params[i] = 0;
851 s->nb_esc_params = 0;
852 s->state = TTY_STATE_CSI;
853 } else {
854 s->state = TTY_STATE_NORM;
855 }
856 break;
857 case TTY_STATE_CSI: /* handle escape sequence parameters */
858 if (ch >= '0' && ch <= '9') {
859 if (s->nb_esc_params < MAX_ESC_PARAMS) {
860 int *param = &s->esc_params[s->nb_esc_params];
861 int digit = (ch - '0');
862
863 *param = (*param <= (INT_MAX - digit) / 10) ?
864 *param * 10 + digit : INT_MAX;
865 }
866 } else {
867 if (s->nb_esc_params < MAX_ESC_PARAMS)
868 s->nb_esc_params++;
869 if (ch == ';')
870 break;
871 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
872 ch, s->nb_esc_params);
873 s->state = TTY_STATE_NORM;
874 switch(ch) {
875 case 'A':
876 /* move cursor up */
877 if (s->esc_params[0] == 0) {
878 s->esc_params[0] = 1;
879 }
880 set_cursor(s, s->x, s->y - s->esc_params[0]);
881 break;
882 case 'B':
883 /* move cursor down */
884 if (s->esc_params[0] == 0) {
885 s->esc_params[0] = 1;
886 }
887 set_cursor(s, s->x, s->y + s->esc_params[0]);
888 break;
889 case 'C':
890 /* move cursor right */
891 if (s->esc_params[0] == 0) {
892 s->esc_params[0] = 1;
893 }
894 set_cursor(s, s->x + s->esc_params[0], s->y);
895 break;
896 case 'D':
897 /* move cursor left */
898 if (s->esc_params[0] == 0) {
899 s->esc_params[0] = 1;
900 }
901 set_cursor(s, s->x - s->esc_params[0], s->y);
902 break;
903 case 'G':
904 /* move cursor to column */
905 set_cursor(s, s->esc_params[0] - 1, s->y);
906 break;
907 case 'f':
908 case 'H':
909 /* move cursor to row, column */
910 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
911 break;
912 case 'J':
913 switch (s->esc_params[0]) {
914 case 0:
915 /* clear to end of screen */
916 for (y = s->y; y < s->height; y++) {
917 for (x = 0; x < s->width; x++) {
918 if (y == s->y && x < s->x) {
919 continue;
920 }
921 console_clear_xy(s, x, y);
922 }
923 }
924 break;
925 case 1:
926 /* clear from beginning of screen */
927 for (y = 0; y <= s->y; y++) {
928 for (x = 0; x < s->width; x++) {
929 if (y == s->y && x > s->x) {
930 break;
931 }
932 console_clear_xy(s, x, y);
933 }
934 }
935 break;
936 case 2:
937 /* clear entire screen */
938 for (y = 0; y <= s->height; y++) {
939 for (x = 0; x < s->width; x++) {
940 console_clear_xy(s, x, y);
941 }
942 }
943 break;
944 }
945 break;
946 case 'K':
947 switch (s->esc_params[0]) {
948 case 0:
949 /* clear to eol */
950 for(x = s->x; x < s->width; x++) {
951 console_clear_xy(s, x, s->y);
952 }
953 break;
954 case 1:
955 /* clear from beginning of line */
956 for (x = 0; x <= s->x; x++) {
957 console_clear_xy(s, x, s->y);
958 }
959 break;
960 case 2:
961 /* clear entire line */
962 for(x = 0; x < s->width; x++) {
963 console_clear_xy(s, x, s->y);
964 }
965 break;
966 }
967 break;
968 case 'm':
969 console_handle_escape(s);
970 break;
971 case 'n':
972 /* report cursor position */
973 /* TODO: send ESC[row;colR */
974 break;
975 case 's':
976 /* save cursor position */
977 s->x_saved = s->x;
978 s->y_saved = s->y;
979 break;
980 case 'u':
981 /* restore cursor position */
982 s->x = s->x_saved;
983 s->y = s->y_saved;
984 break;
985 default:
986 trace_console_putchar_unhandled(ch);
987 break;
988 }
989 break;
990 }
991 }
992 }
993
994 void console_select(unsigned int index)
995 {
996 DisplayChangeListener *dcl;
997 QemuConsole *s;
998
999 if (index >= MAX_CONSOLES)
1000 return;
1001
1002 trace_console_select(index);
1003 s = qemu_console_lookup_by_index(index);
1004 if (s) {
1005 DisplayState *ds = s->ds;
1006
1007 if (active_console && active_console->cursor_timer) {
1008 timer_del(active_console->cursor_timer);
1009 }
1010 active_console = s;
1011 if (ds->have_gfx) {
1012 QLIST_FOREACH(dcl, &ds->listeners, next) {
1013 if (dcl->con != NULL) {
1014 continue;
1015 }
1016 if (dcl->ops->dpy_gfx_switch) {
1017 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1018 }
1019 }
1020 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1021 surface_height(s->surface));
1022 }
1023 if (ds->have_text) {
1024 dpy_text_resize(s, s->width, s->height);
1025 }
1026 if (s->cursor_timer) {
1027 timer_mod(s->cursor_timer,
1028 qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + CONSOLE_CURSOR_PERIOD / 2);
1029 }
1030 }
1031 }
1032
1033 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1034 {
1035 QemuConsole *s = chr->opaque;
1036 int i;
1037
1038 s->update_x0 = s->width * FONT_WIDTH;
1039 s->update_y0 = s->height * FONT_HEIGHT;
1040 s->update_x1 = 0;
1041 s->update_y1 = 0;
1042 console_show_cursor(s, 0);
1043 for(i = 0; i < len; i++) {
1044 console_putchar(s, buf[i]);
1045 }
1046 console_show_cursor(s, 1);
1047 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1048 dpy_gfx_update(s, s->update_x0, s->update_y0,
1049 s->update_x1 - s->update_x0,
1050 s->update_y1 - s->update_y0);
1051 }
1052 return len;
1053 }
1054
1055 static void kbd_send_chars(void *opaque)
1056 {
1057 QemuConsole *s = opaque;
1058 int len;
1059 uint8_t buf[16];
1060
1061 len = qemu_chr_be_can_write(s->chr);
1062 if (len > s->out_fifo.count)
1063 len = s->out_fifo.count;
1064 if (len > 0) {
1065 if (len > sizeof(buf))
1066 len = sizeof(buf);
1067 qemu_fifo_read(&s->out_fifo, buf, len);
1068 qemu_chr_be_write(s->chr, buf, len);
1069 }
1070 /* characters are pending: we send them a bit later (XXX:
1071 horrible, should change char device API) */
1072 if (s->out_fifo.count > 0) {
1073 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1074 }
1075 }
1076
1077 /* called when an ascii key is pressed */
1078 void kbd_put_keysym(int keysym)
1079 {
1080 QemuConsole *s;
1081 uint8_t buf[16], *q;
1082 int c;
1083
1084 s = active_console;
1085 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1086 return;
1087
1088 switch(keysym) {
1089 case QEMU_KEY_CTRL_UP:
1090 console_scroll(s, -1);
1091 break;
1092 case QEMU_KEY_CTRL_DOWN:
1093 console_scroll(s, 1);
1094 break;
1095 case QEMU_KEY_CTRL_PAGEUP:
1096 console_scroll(s, -10);
1097 break;
1098 case QEMU_KEY_CTRL_PAGEDOWN:
1099 console_scroll(s, 10);
1100 break;
1101 default:
1102 /* convert the QEMU keysym to VT100 key string */
1103 q = buf;
1104 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1105 *q++ = '\033';
1106 *q++ = '[';
1107 c = keysym - 0xe100;
1108 if (c >= 10)
1109 *q++ = '0' + (c / 10);
1110 *q++ = '0' + (c % 10);
1111 *q++ = '~';
1112 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1113 *q++ = '\033';
1114 *q++ = '[';
1115 *q++ = keysym & 0xff;
1116 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1117 console_puts(s->chr, (const uint8_t *) "\r", 1);
1118 *q++ = '\n';
1119 } else {
1120 *q++ = keysym;
1121 }
1122 if (s->echo) {
1123 console_puts(s->chr, buf, q - buf);
1124 }
1125 if (s->chr->chr_read) {
1126 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1127 kbd_send_chars(s);
1128 }
1129 break;
1130 }
1131 }
1132
1133 static void text_console_invalidate(void *opaque)
1134 {
1135 QemuConsole *s = (QemuConsole *) opaque;
1136
1137 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1138 text_console_resize(s);
1139 }
1140 console_refresh(s);
1141 }
1142
1143 static void text_console_update(void *opaque, console_ch_t *chardata)
1144 {
1145 QemuConsole *s = (QemuConsole *) opaque;
1146 int i, j, src;
1147
1148 if (s->text_x[0] <= s->text_x[1]) {
1149 src = (s->y_base + s->text_y[0]) * s->width;
1150 chardata += s->text_y[0] * s->width;
1151 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1152 for (j = 0; j < s->width; j ++, src ++)
1153 console_write_ch(chardata ++, s->cells[src].ch |
1154 (s->cells[src].t_attrib.fgcol << 12) |
1155 (s->cells[src].t_attrib.bgcol << 8) |
1156 (s->cells[src].t_attrib.bold << 21));
1157 dpy_text_update(s, s->text_x[0], s->text_y[0],
1158 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1159 s->text_x[0] = s->width;
1160 s->text_y[0] = s->height;
1161 s->text_x[1] = 0;
1162 s->text_y[1] = 0;
1163 }
1164 if (s->cursor_invalidate) {
1165 dpy_text_cursor(s, s->x, s->y);
1166 s->cursor_invalidate = 0;
1167 }
1168 }
1169
1170 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type)
1171 {
1172 Error *local_err = NULL;
1173 Object *obj;
1174 QemuConsole *s;
1175 int i;
1176
1177 if (nb_consoles >= MAX_CONSOLES)
1178 return NULL;
1179
1180 obj = object_new(TYPE_QEMU_CONSOLE);
1181 s = QEMU_CONSOLE(obj);
1182 object_property_add_link(obj, "device", TYPE_DEVICE,
1183 (Object **)&s->device,
1184 object_property_allow_set_link,
1185 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1186 &local_err);
1187 object_property_add_uint32_ptr(obj, "head",
1188 &s->head, &local_err);
1189
1190 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1191 (console_type == GRAPHIC_CONSOLE))) {
1192 active_console = s;
1193 }
1194 s->ds = ds;
1195 s->console_type = console_type;
1196 if (console_type != GRAPHIC_CONSOLE) {
1197 s->index = nb_consoles;
1198 consoles[nb_consoles++] = s;
1199 } else {
1200 /* HACK: Put graphical consoles before text consoles. */
1201 for (i = nb_consoles; i > 0; i--) {
1202 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1203 break;
1204 consoles[i] = consoles[i - 1];
1205 consoles[i]->index = i;
1206 }
1207 s->index = i;
1208 consoles[i] = s;
1209 nb_consoles++;
1210 }
1211 return s;
1212 }
1213
1214 static void qemu_alloc_display(DisplaySurface *surface, int width, int height,
1215 int linesize, PixelFormat pf, int newflags)
1216 {
1217 surface->pf = pf;
1218
1219 qemu_pixman_image_unref(surface->image);
1220 surface->image = NULL;
1221
1222 surface->format = qemu_pixman_get_format(&pf);
1223 assert(surface->format != 0);
1224 surface->image = pixman_image_create_bits(surface->format,
1225 width, height,
1226 NULL, linesize);
1227 assert(surface->image != NULL);
1228
1229 surface->flags = newflags | QEMU_ALLOCATED_FLAG;
1230 #ifdef HOST_WORDS_BIGENDIAN
1231 surface->flags |= QEMU_BIG_ENDIAN_FLAG;
1232 #endif
1233 }
1234
1235 DisplaySurface *qemu_create_displaysurface(int width, int height)
1236 {
1237 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1238 int linesize = width * 4;
1239
1240 trace_displaysurface_create(surface, width, height);
1241 qemu_alloc_display(surface, width, height, linesize,
1242 qemu_default_pixelformat(32), 0);
1243 return surface;
1244 }
1245
1246 DisplaySurface *qemu_create_displaysurface_from(int width, int height, int bpp,
1247 int linesize, uint8_t *data,
1248 bool byteswap)
1249 {
1250 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1251
1252 trace_displaysurface_create_from(surface, width, height, bpp, byteswap);
1253 if (byteswap) {
1254 surface->pf = qemu_different_endianness_pixelformat(bpp);
1255 } else {
1256 surface->pf = qemu_default_pixelformat(bpp);
1257 }
1258
1259 surface->format = qemu_pixman_get_format(&surface->pf);
1260 assert(surface->format != 0);
1261 surface->image = pixman_image_create_bits(surface->format,
1262 width, height,
1263 (void *)data, linesize);
1264 assert(surface->image != NULL);
1265
1266 #ifdef HOST_WORDS_BIGENDIAN
1267 surface->flags = QEMU_BIG_ENDIAN_FLAG;
1268 #endif
1269
1270 return surface;
1271 }
1272
1273 static DisplaySurface *qemu_create_dummy_surface(void)
1274 {
1275 static const char msg[] =
1276 "This VM has no graphic display device.";
1277 DisplaySurface *surface = qemu_create_displaysurface(640, 480);
1278 pixman_color_t bg = color_table_rgb[0][COLOR_BLACK];
1279 pixman_color_t fg = color_table_rgb[0][COLOR_WHITE];
1280 pixman_image_t *glyph;
1281 int len, x, y, i;
1282
1283 len = strlen(msg);
1284 x = (640/FONT_WIDTH - len) / 2;
1285 y = (480/FONT_HEIGHT - 1) / 2;
1286 for (i = 0; i < len; i++) {
1287 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1288 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1289 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1290 qemu_pixman_image_unref(glyph);
1291 }
1292 return surface;
1293 }
1294
1295 void qemu_free_displaysurface(DisplaySurface *surface)
1296 {
1297 if (surface == NULL) {
1298 return;
1299 }
1300 trace_displaysurface_free(surface);
1301 qemu_pixman_image_unref(surface->image);
1302 g_free(surface);
1303 }
1304
1305 void register_displaychangelistener(DisplayChangeListener *dcl)
1306 {
1307 static DisplaySurface *dummy;
1308 QemuConsole *con;
1309
1310 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1311 dcl->ds = get_alloc_displaystate();
1312 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1313 gui_setup_refresh(dcl->ds);
1314 if (dcl->con) {
1315 dcl->con->dcls++;
1316 con = dcl->con;
1317 } else {
1318 con = active_console;
1319 }
1320 if (dcl->ops->dpy_gfx_switch) {
1321 if (con) {
1322 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1323 } else {
1324 if (!dummy) {
1325 dummy = qemu_create_dummy_surface();
1326 }
1327 dcl->ops->dpy_gfx_switch(dcl, dummy);
1328 }
1329 }
1330 }
1331
1332 void update_displaychangelistener(DisplayChangeListener *dcl,
1333 uint64_t interval)
1334 {
1335 DisplayState *ds = dcl->ds;
1336
1337 dcl->update_interval = interval;
1338 if (!ds->refreshing && ds->update_interval > interval) {
1339 timer_mod(ds->gui_timer, ds->last_update + interval);
1340 }
1341 }
1342
1343 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1344 {
1345 DisplayState *ds = dcl->ds;
1346 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1347 if (dcl->con) {
1348 dcl->con->dcls--;
1349 }
1350 QLIST_REMOVE(dcl, next);
1351 gui_setup_refresh(ds);
1352 }
1353
1354 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1355 {
1356 assert(con != NULL);
1357 con->ui_info = *info;
1358 if (con->hw_ops->ui_info) {
1359 return con->hw_ops->ui_info(con->hw, con->head, info);
1360 }
1361 return -1;
1362 }
1363
1364 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1365 {
1366 DisplayState *s = con->ds;
1367 DisplayChangeListener *dcl;
1368 int width = surface_width(con->surface);
1369 int height = surface_height(con->surface);
1370
1371 x = MAX(x, 0);
1372 y = MAX(y, 0);
1373 x = MIN(x, width);
1374 y = MIN(y, height);
1375 w = MIN(w, width - x);
1376 h = MIN(h, height - y);
1377
1378 if (!qemu_console_is_visible(con)) {
1379 return;
1380 }
1381 QLIST_FOREACH(dcl, &s->listeners, next) {
1382 if (con != (dcl->con ? dcl->con : active_console)) {
1383 continue;
1384 }
1385 if (dcl->ops->dpy_gfx_update) {
1386 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1387 }
1388 }
1389 }
1390
1391 void dpy_gfx_replace_surface(QemuConsole *con,
1392 DisplaySurface *surface)
1393 {
1394 DisplayState *s = con->ds;
1395 DisplaySurface *old_surface = con->surface;
1396 DisplayChangeListener *dcl;
1397
1398 con->surface = surface;
1399 QLIST_FOREACH(dcl, &s->listeners, next) {
1400 if (con != (dcl->con ? dcl->con : active_console)) {
1401 continue;
1402 }
1403 if (dcl->ops->dpy_gfx_switch) {
1404 dcl->ops->dpy_gfx_switch(dcl, surface);
1405 }
1406 }
1407 qemu_free_displaysurface(old_surface);
1408 }
1409
1410 void dpy_refresh(DisplayState *s)
1411 {
1412 DisplayChangeListener *dcl;
1413
1414 QLIST_FOREACH(dcl, &s->listeners, next) {
1415 if (dcl->ops->dpy_refresh) {
1416 dcl->ops->dpy_refresh(dcl);
1417 }
1418 }
1419 }
1420
1421 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1422 int dst_x, int dst_y, int w, int h)
1423 {
1424 DisplayState *s = con->ds;
1425 DisplayChangeListener *dcl;
1426
1427 if (!qemu_console_is_visible(con)) {
1428 return;
1429 }
1430 QLIST_FOREACH(dcl, &s->listeners, next) {
1431 if (con != (dcl->con ? dcl->con : active_console)) {
1432 continue;
1433 }
1434 if (dcl->ops->dpy_gfx_copy) {
1435 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1436 } else { /* TODO */
1437 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1438 }
1439 }
1440 }
1441
1442 void dpy_text_cursor(QemuConsole *con, int x, int y)
1443 {
1444 DisplayState *s = con->ds;
1445 DisplayChangeListener *dcl;
1446
1447 if (!qemu_console_is_visible(con)) {
1448 return;
1449 }
1450 QLIST_FOREACH(dcl, &s->listeners, next) {
1451 if (con != (dcl->con ? dcl->con : active_console)) {
1452 continue;
1453 }
1454 if (dcl->ops->dpy_text_cursor) {
1455 dcl->ops->dpy_text_cursor(dcl, x, y);
1456 }
1457 }
1458 }
1459
1460 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1461 {
1462 DisplayState *s = con->ds;
1463 DisplayChangeListener *dcl;
1464
1465 if (!qemu_console_is_visible(con)) {
1466 return;
1467 }
1468 QLIST_FOREACH(dcl, &s->listeners, next) {
1469 if (con != (dcl->con ? dcl->con : active_console)) {
1470 continue;
1471 }
1472 if (dcl->ops->dpy_text_update) {
1473 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1474 }
1475 }
1476 }
1477
1478 void dpy_text_resize(QemuConsole *con, int w, int h)
1479 {
1480 DisplayState *s = con->ds;
1481 struct DisplayChangeListener *dcl;
1482
1483 if (!qemu_console_is_visible(con)) {
1484 return;
1485 }
1486 QLIST_FOREACH(dcl, &s->listeners, next) {
1487 if (con != (dcl->con ? dcl->con : active_console)) {
1488 continue;
1489 }
1490 if (dcl->ops->dpy_text_resize) {
1491 dcl->ops->dpy_text_resize(dcl, w, h);
1492 }
1493 }
1494 }
1495
1496 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1497 {
1498 DisplayState *s = con->ds;
1499 DisplayChangeListener *dcl;
1500
1501 if (!qemu_console_is_visible(con)) {
1502 return;
1503 }
1504 QLIST_FOREACH(dcl, &s->listeners, next) {
1505 if (con != (dcl->con ? dcl->con : active_console)) {
1506 continue;
1507 }
1508 if (dcl->ops->dpy_mouse_set) {
1509 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1510 }
1511 }
1512 }
1513
1514 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1515 {
1516 DisplayState *s = con->ds;
1517 DisplayChangeListener *dcl;
1518
1519 if (!qemu_console_is_visible(con)) {
1520 return;
1521 }
1522 QLIST_FOREACH(dcl, &s->listeners, next) {
1523 if (con != (dcl->con ? dcl->con : active_console)) {
1524 continue;
1525 }
1526 if (dcl->ops->dpy_cursor_define) {
1527 dcl->ops->dpy_cursor_define(dcl, cursor);
1528 }
1529 }
1530 }
1531
1532 bool dpy_cursor_define_supported(QemuConsole *con)
1533 {
1534 DisplayState *s = con->ds;
1535 DisplayChangeListener *dcl;
1536
1537 QLIST_FOREACH(dcl, &s->listeners, next) {
1538 if (dcl->ops->dpy_cursor_define) {
1539 return true;
1540 }
1541 }
1542 return false;
1543 }
1544
1545 /***********************************************************/
1546 /* register display */
1547
1548 /* console.c internal use only */
1549 static DisplayState *get_alloc_displaystate(void)
1550 {
1551 if (!display_state) {
1552 display_state = g_new0(DisplayState, 1);
1553 }
1554 return display_state;
1555 }
1556
1557 /*
1558 * Called by main(), after creating QemuConsoles
1559 * and before initializing ui (sdl/vnc/...).
1560 */
1561 DisplayState *init_displaystate(void)
1562 {
1563 Error *local_err = NULL;
1564 gchar *name;
1565 int i;
1566
1567 if (!display_state) {
1568 display_state = g_new0(DisplayState, 1);
1569 }
1570
1571 for (i = 0; i < nb_consoles; i++) {
1572 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1573 consoles[i]->ds == NULL) {
1574 text_console_do_init(consoles[i]->chr, display_state);
1575 }
1576
1577 /* Hook up into the qom tree here (not in new_console()), once
1578 * all QemuConsoles are created and the order / numbering
1579 * doesn't change any more */
1580 name = g_strdup_printf("console[%d]", i);
1581 object_property_add_child(container_get(object_get_root(), "/backend"),
1582 name, OBJECT(consoles[i]), &local_err);
1583 g_free(name);
1584 }
1585
1586 return display_state;
1587 }
1588
1589 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1590 const GraphicHwOps *hw_ops,
1591 void *opaque)
1592 {
1593 Error *local_err = NULL;
1594 int width = 640;
1595 int height = 480;
1596 QemuConsole *s;
1597 DisplayState *ds;
1598
1599 ds = get_alloc_displaystate();
1600 trace_console_gfx_new();
1601 s = new_console(ds, GRAPHIC_CONSOLE);
1602 s->hw_ops = hw_ops;
1603 s->hw = opaque;
1604 if (dev) {
1605 object_property_set_link(OBJECT(s), OBJECT(dev),
1606 "device", &local_err);
1607 object_property_set_int(OBJECT(s), head,
1608 "head", &local_err);
1609 }
1610
1611 s->surface = qemu_create_displaysurface(width, height);
1612 return s;
1613 }
1614
1615 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1616 {
1617 if (index >= MAX_CONSOLES) {
1618 return NULL;
1619 }
1620 return consoles[index];
1621 }
1622
1623 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1624 {
1625 Error *local_err = NULL;
1626 Object *obj;
1627 uint32_t h;
1628 int i;
1629
1630 for (i = 0; i < nb_consoles; i++) {
1631 if (!consoles[i]) {
1632 continue;
1633 }
1634 obj = object_property_get_link(OBJECT(consoles[i]),
1635 "device", &local_err);
1636 if (DEVICE(obj) != dev) {
1637 continue;
1638 }
1639 h = object_property_get_int(OBJECT(consoles[i]),
1640 "head", &local_err);
1641 if (h != head) {
1642 continue;
1643 }
1644 return consoles[i];
1645 }
1646 return NULL;
1647 }
1648
1649 bool qemu_console_is_visible(QemuConsole *con)
1650 {
1651 return (con == active_console) || (con->dcls > 0);
1652 }
1653
1654 bool qemu_console_is_graphic(QemuConsole *con)
1655 {
1656 if (con == NULL) {
1657 con = active_console;
1658 }
1659 return con && (con->console_type == GRAPHIC_CONSOLE);
1660 }
1661
1662 bool qemu_console_is_fixedsize(QemuConsole *con)
1663 {
1664 if (con == NULL) {
1665 con = active_console;
1666 }
1667 return con && (con->console_type != TEXT_CONSOLE);
1668 }
1669
1670 int qemu_console_get_index(QemuConsole *con)
1671 {
1672 if (con == NULL) {
1673 con = active_console;
1674 }
1675 return con ? con->index : -1;
1676 }
1677
1678 uint32_t qemu_console_get_head(QemuConsole *con)
1679 {
1680 if (con == NULL) {
1681 con = active_console;
1682 }
1683 return con ? con->head : -1;
1684 }
1685
1686 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
1687 {
1688 assert(con != NULL);
1689 return &con->ui_info;
1690 }
1691
1692 int qemu_console_get_width(QemuConsole *con, int fallback)
1693 {
1694 if (con == NULL) {
1695 con = active_console;
1696 }
1697 return con ? surface_width(con->surface) : fallback;
1698 }
1699
1700 int qemu_console_get_height(QemuConsole *con, int fallback)
1701 {
1702 if (con == NULL) {
1703 con = active_console;
1704 }
1705 return con ? surface_height(con->surface) : fallback;
1706 }
1707
1708 static void text_console_set_echo(CharDriverState *chr, bool echo)
1709 {
1710 QemuConsole *s = chr->opaque;
1711
1712 s->echo = echo;
1713 }
1714
1715 static void text_console_update_cursor(void *opaque)
1716 {
1717 QemuConsole *s = opaque;
1718
1719 s->cursor_visible_phase = !s->cursor_visible_phase;
1720 graphic_hw_invalidate(s);
1721 timer_mod(s->cursor_timer,
1722 qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + CONSOLE_CURSOR_PERIOD / 2);
1723 }
1724
1725 static const GraphicHwOps text_console_ops = {
1726 .invalidate = text_console_invalidate,
1727 .text_update = text_console_update,
1728 };
1729
1730 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1731 {
1732 QemuConsole *s;
1733 int g_width = 80 * FONT_WIDTH;
1734 int g_height = 24 * FONT_HEIGHT;
1735
1736 s = chr->opaque;
1737
1738 chr->chr_write = console_puts;
1739
1740 s->out_fifo.buf = s->out_fifo_buf;
1741 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1742 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
1743 s->ds = ds;
1744
1745 s->y_displayed = 0;
1746 s->y_base = 0;
1747 s->total_height = DEFAULT_BACKSCROLL;
1748 s->x = 0;
1749 s->y = 0;
1750 if (!s->surface) {
1751 if (active_console && active_console->surface) {
1752 g_width = surface_width(active_console->surface);
1753 g_height = surface_height(active_console->surface);
1754 }
1755 s->surface = qemu_create_displaysurface(g_width, g_height);
1756 }
1757
1758 s->cursor_timer =
1759 timer_new_ms(QEMU_CLOCK_REALTIME, text_console_update_cursor, s);
1760
1761 s->hw_ops = &text_console_ops;
1762 s->hw = s;
1763
1764 /* Set text attribute defaults */
1765 s->t_attrib_default.bold = 0;
1766 s->t_attrib_default.uline = 0;
1767 s->t_attrib_default.blink = 0;
1768 s->t_attrib_default.invers = 0;
1769 s->t_attrib_default.unvisible = 0;
1770 s->t_attrib_default.fgcol = COLOR_WHITE;
1771 s->t_attrib_default.bgcol = COLOR_BLACK;
1772 /* set current text attributes to default */
1773 s->t_attrib = s->t_attrib_default;
1774 text_console_resize(s);
1775
1776 if (chr->label) {
1777 char msg[128];
1778 int len;
1779
1780 s->t_attrib.bgcol = COLOR_BLUE;
1781 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1782 console_puts(chr, (uint8_t*)msg, len);
1783 s->t_attrib = s->t_attrib_default;
1784 }
1785
1786 qemu_chr_be_generic_open(chr);
1787 if (chr->init)
1788 chr->init(chr);
1789 }
1790
1791 static CharDriverState *text_console_init(ChardevVC *vc)
1792 {
1793 CharDriverState *chr;
1794 QemuConsole *s;
1795 unsigned width = 0;
1796 unsigned height = 0;
1797
1798 chr = g_malloc0(sizeof(CharDriverState));
1799
1800 if (vc->has_width) {
1801 width = vc->width;
1802 } else if (vc->has_cols) {
1803 width = vc->cols * FONT_WIDTH;
1804 }
1805
1806 if (vc->has_height) {
1807 height = vc->height;
1808 } else if (vc->has_rows) {
1809 height = vc->rows * FONT_HEIGHT;
1810 }
1811
1812 trace_console_txt_new(width, height);
1813 if (width == 0 || height == 0) {
1814 s = new_console(NULL, TEXT_CONSOLE);
1815 } else {
1816 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE);
1817 s->surface = qemu_create_displaysurface(width, height);
1818 }
1819
1820 if (!s) {
1821 g_free(chr);
1822 return NULL;
1823 }
1824
1825 s->chr = chr;
1826 chr->opaque = s;
1827 chr->chr_set_echo = text_console_set_echo;
1828 /* console/chardev init sometimes completes elsewhere in a 2nd
1829 * stage, so defer OPENED events until they are fully initialized
1830 */
1831 chr->explicit_be_open = true;
1832
1833 if (display_state) {
1834 text_console_do_init(chr, display_state);
1835 }
1836 return chr;
1837 }
1838
1839 static VcHandler *vc_handler = text_console_init;
1840
1841 CharDriverState *vc_init(ChardevVC *vc)
1842 {
1843 return vc_handler(vc);
1844 }
1845
1846 void register_vc_handler(VcHandler *handler)
1847 {
1848 vc_handler = handler;
1849 }
1850
1851 void qemu_console_resize(QemuConsole *s, int width, int height)
1852 {
1853 DisplaySurface *surface;
1854
1855 assert(s->console_type == GRAPHIC_CONSOLE);
1856 surface = qemu_create_displaysurface(width, height);
1857 dpy_gfx_replace_surface(s, surface);
1858 }
1859
1860 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
1861 int dst_x, int dst_y, int w, int h)
1862 {
1863 assert(con->console_type == GRAPHIC_CONSOLE);
1864 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
1865 }
1866
1867 DisplaySurface *qemu_console_surface(QemuConsole *console)
1868 {
1869 return console->surface;
1870 }
1871
1872 DisplayState *qemu_console_displaystate(QemuConsole *console)
1873 {
1874 return console->ds;
1875 }
1876
1877 PixelFormat qemu_different_endianness_pixelformat(int bpp)
1878 {
1879 PixelFormat pf;
1880
1881 memset(&pf, 0x00, sizeof(PixelFormat));
1882
1883 pf.bits_per_pixel = bpp;
1884 pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1885 pf.depth = bpp == 32 ? 24 : bpp;
1886
1887 switch (bpp) {
1888 case 24:
1889 pf.rmask = 0x000000FF;
1890 pf.gmask = 0x0000FF00;
1891 pf.bmask = 0x00FF0000;
1892 pf.rmax = 255;
1893 pf.gmax = 255;
1894 pf.bmax = 255;
1895 pf.rshift = 0;
1896 pf.gshift = 8;
1897 pf.bshift = 16;
1898 pf.rbits = 8;
1899 pf.gbits = 8;
1900 pf.bbits = 8;
1901 break;
1902 case 32:
1903 pf.rmask = 0x0000FF00;
1904 pf.gmask = 0x00FF0000;
1905 pf.bmask = 0xFF000000;
1906 pf.amask = 0x00000000;
1907 pf.amax = 255;
1908 pf.rmax = 255;
1909 pf.gmax = 255;
1910 pf.bmax = 255;
1911 pf.ashift = 0;
1912 pf.rshift = 8;
1913 pf.gshift = 16;
1914 pf.bshift = 24;
1915 pf.rbits = 8;
1916 pf.gbits = 8;
1917 pf.bbits = 8;
1918 pf.abits = 8;
1919 break;
1920 default:
1921 break;
1922 }
1923 return pf;
1924 }
1925
1926 PixelFormat qemu_default_pixelformat(int bpp)
1927 {
1928 PixelFormat pf;
1929
1930 memset(&pf, 0x00, sizeof(PixelFormat));
1931
1932 pf.bits_per_pixel = bpp;
1933 pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1934 pf.depth = bpp == 32 ? 24 : bpp;
1935
1936 switch (bpp) {
1937 case 15:
1938 pf.bits_per_pixel = 16;
1939 pf.rmask = 0x00007c00;
1940 pf.gmask = 0x000003E0;
1941 pf.bmask = 0x0000001F;
1942 pf.rmax = 31;
1943 pf.gmax = 31;
1944 pf.bmax = 31;
1945 pf.rshift = 10;
1946 pf.gshift = 5;
1947 pf.bshift = 0;
1948 pf.rbits = 5;
1949 pf.gbits = 5;
1950 pf.bbits = 5;
1951 break;
1952 case 16:
1953 pf.rmask = 0x0000F800;
1954 pf.gmask = 0x000007E0;
1955 pf.bmask = 0x0000001F;
1956 pf.rmax = 31;
1957 pf.gmax = 63;
1958 pf.bmax = 31;
1959 pf.rshift = 11;
1960 pf.gshift = 5;
1961 pf.bshift = 0;
1962 pf.rbits = 5;
1963 pf.gbits = 6;
1964 pf.bbits = 5;
1965 break;
1966 case 24:
1967 pf.rmask = 0x00FF0000;
1968 pf.gmask = 0x0000FF00;
1969 pf.bmask = 0x000000FF;
1970 pf.rmax = 255;
1971 pf.gmax = 255;
1972 pf.bmax = 255;
1973 pf.rshift = 16;
1974 pf.gshift = 8;
1975 pf.bshift = 0;
1976 pf.rbits = 8;
1977 pf.gbits = 8;
1978 pf.bbits = 8;
1979 break;
1980 case 32:
1981 pf.rmask = 0x00FF0000;
1982 pf.gmask = 0x0000FF00;
1983 pf.bmask = 0x000000FF;
1984 pf.rmax = 255;
1985 pf.gmax = 255;
1986 pf.bmax = 255;
1987 pf.rshift = 16;
1988 pf.gshift = 8;
1989 pf.bshift = 0;
1990 pf.rbits = 8;
1991 pf.gbits = 8;
1992 pf.bbits = 8;
1993 break;
1994 default:
1995 break;
1996 }
1997 return pf;
1998 }
1999
2000 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
2001 Error **errp)
2002 {
2003 int val;
2004
2005 backend->vc = g_new0(ChardevVC, 1);
2006
2007 val = qemu_opt_get_number(opts, "width", 0);
2008 if (val != 0) {
2009 backend->vc->has_width = true;
2010 backend->vc->width = val;
2011 }
2012
2013 val = qemu_opt_get_number(opts, "height", 0);
2014 if (val != 0) {
2015 backend->vc->has_height = true;
2016 backend->vc->height = val;
2017 }
2018
2019 val = qemu_opt_get_number(opts, "cols", 0);
2020 if (val != 0) {
2021 backend->vc->has_cols = true;
2022 backend->vc->cols = val;
2023 }
2024
2025 val = qemu_opt_get_number(opts, "rows", 0);
2026 if (val != 0) {
2027 backend->vc->has_rows = true;
2028 backend->vc->rows = val;
2029 }
2030 }
2031
2032 static const TypeInfo qemu_console_info = {
2033 .name = TYPE_QEMU_CONSOLE,
2034 .parent = TYPE_OBJECT,
2035 .instance_size = sizeof(QemuConsole),
2036 .class_size = sizeof(QemuConsoleClass),
2037 };
2038
2039
2040 static void register_types(void)
2041 {
2042 type_register_static(&qemu_console_info);
2043 register_char_driver_qapi("vc", CHARDEV_BACKEND_KIND_VC,
2044 qemu_chr_parse_vc);
2045 }
2046
2047 type_init(register_types);
AR7 emulation for QEMU