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hw/arm/virt: formatting: memory map
[qemu/ar7.git] / ui / console.c
blobab8454903ca91a257fd5ae9e981286d73a0e4172
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 CONSOLE_CURSOR_PERIOD 500
34
35 typedef struct TextAttributes {
36 uint8_t fgcol:4;
37 uint8_t bgcol:4;
38 uint8_t bold:1;
39 uint8_t uline:1;
40 uint8_t blink:1;
41 uint8_t invers:1;
42 uint8_t unvisible:1;
43 } TextAttributes;
44
45 typedef struct TextCell {
46 uint8_t ch;
47 TextAttributes t_attrib;
48 } TextCell;
49
50 #define MAX_ESC_PARAMS 3
51
52 enum TTYState {
53 TTY_STATE_NORM,
54 TTY_STATE_ESC,
55 TTY_STATE_CSI,
56 };
57
58 typedef struct QEMUFIFO {
59 uint8_t *buf;
60 int buf_size;
61 int count, wptr, rptr;
62 } QEMUFIFO;
63
64 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
65 {
66 int l, len;
67
68 l = f->buf_size - f->count;
69 if (len1 > l)
70 len1 = l;
71 len = len1;
72 while (len > 0) {
73 l = f->buf_size - f->wptr;
74 if (l > len)
75 l = len;
76 memcpy(f->buf + f->wptr, buf, l);
77 f->wptr += l;
78 if (f->wptr >= f->buf_size)
79 f->wptr = 0;
80 buf += l;
81 len -= l;
82 }
83 f->count += len1;
84 return len1;
85 }
86
87 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
88 {
89 int l, len;
90
91 if (len1 > f->count)
92 len1 = f->count;
93 len = len1;
94 while (len > 0) {
95 l = f->buf_size - f->rptr;
96 if (l > len)
97 l = len;
98 memcpy(buf, f->buf + f->rptr, l);
99 f->rptr += l;
100 if (f->rptr >= f->buf_size)
101 f->rptr = 0;
102 buf += l;
103 len -= l;
104 }
105 f->count -= len1;
106 return len1;
107 }
108
109 typedef enum {
110 GRAPHIC_CONSOLE,
111 TEXT_CONSOLE,
112 TEXT_CONSOLE_FIXED_SIZE
113 } console_type_t;
114
115 struct QemuConsole {
116 Object parent;
117
118 int index;
119 console_type_t console_type;
120 DisplayState *ds;
121 DisplaySurface *surface;
122 int dcls;
123
124 /* Graphic console state. */
125 Object *device;
126 uint32_t head;
127 QemuUIInfo ui_info;
128 const GraphicHwOps *hw_ops;
129 void *hw;
130
131 /* Text console state */
132 int width;
133 int height;
134 int total_height;
135 int backscroll_height;
136 int x, y;
137 int x_saved, y_saved;
138 int y_displayed;
139 int y_base;
140 TextAttributes t_attrib_default; /* default text attributes */
141 TextAttributes t_attrib; /* currently active text attributes */
142 TextCell *cells;
143 int text_x[2], text_y[2], cursor_invalidate;
144 int echo;
145
146 int update_x0;
147 int update_y0;
148 int update_x1;
149 int update_y1;
150
151 enum TTYState state;
152 int esc_params[MAX_ESC_PARAMS];
153 int nb_esc_params;
154
155 CharDriverState *chr;
156 /* fifo for key pressed */
157 QEMUFIFO out_fifo;
158 uint8_t out_fifo_buf[16];
159 QEMUTimer *kbd_timer;
160 };
161
162 struct DisplayState {
163 QEMUTimer *gui_timer;
164 uint64_t last_update;
165 uint64_t update_interval;
166 bool refreshing;
167 bool have_gfx;
168 bool have_text;
169
170 QLIST_HEAD(, DisplayChangeListener) listeners;
171 };
172
173 static DisplayState *display_state;
174 static QemuConsole *active_console;
175 static QemuConsole **consoles;
176 static int nb_consoles = 0;
177 static bool cursor_visible_phase;
178 static QEMUTimer *cursor_timer;
179
180 static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
181 static void dpy_refresh(DisplayState *s);
182 static DisplayState *get_alloc_displaystate(void);
183 static void text_console_update_cursor_timer(void);
184 static void text_console_update_cursor(void *opaque);
185
186 static void gui_update(void *opaque)
187 {
188 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
189 uint64_t dcl_interval;
190 DisplayState *ds = opaque;
191 DisplayChangeListener *dcl;
192 int i;
193
194 ds->refreshing = true;
195 dpy_refresh(ds);
196 ds->refreshing = false;
197
198 QLIST_FOREACH(dcl, &ds->listeners, next) {
199 dcl_interval = dcl->update_interval ?
200 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
201 if (interval > dcl_interval) {
202 interval = dcl_interval;
203 }
204 }
205 if (ds->update_interval != interval) {
206 ds->update_interval = interval;
207 for (i = 0; i < nb_consoles; i++) {
208 if (consoles[i]->hw_ops->update_interval) {
209 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
210 }
211 }
212 trace_console_refresh(interval);
213 }
214 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
215 timer_mod(ds->gui_timer, ds->last_update + interval);
216 }
217
218 static void gui_setup_refresh(DisplayState *ds)
219 {
220 DisplayChangeListener *dcl;
221 bool need_timer = false;
222 bool have_gfx = false;
223 bool have_text = false;
224
225 QLIST_FOREACH(dcl, &ds->listeners, next) {
226 if (dcl->ops->dpy_refresh != NULL) {
227 need_timer = true;
228 }
229 if (dcl->ops->dpy_gfx_update != NULL) {
230 have_gfx = true;
231 }
232 if (dcl->ops->dpy_text_update != NULL) {
233 have_text = true;
234 }
235 }
236
237 if (need_timer && ds->gui_timer == NULL) {
238 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
239 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
240 }
241 if (!need_timer && ds->gui_timer != NULL) {
242 timer_del(ds->gui_timer);
243 timer_free(ds->gui_timer);
244 ds->gui_timer = NULL;
245 }
246
247 ds->have_gfx = have_gfx;
248 ds->have_text = have_text;
249 }
250
251 void graphic_hw_update(QemuConsole *con)
252 {
253 if (!con) {
254 con = active_console;
255 }
256 if (con && con->hw_ops->gfx_update) {
257 con->hw_ops->gfx_update(con->hw);
258 }
259 }
260
261 void graphic_hw_invalidate(QemuConsole *con)
262 {
263 if (!con) {
264 con = active_console;
265 }
266 if (con && con->hw_ops->invalidate) {
267 con->hw_ops->invalidate(con->hw);
268 }
269 }
270
271 static void ppm_save(const char *filename, struct DisplaySurface *ds,
272 Error **errp)
273 {
274 int width = pixman_image_get_width(ds->image);
275 int height = pixman_image_get_height(ds->image);
276 int fd;
277 FILE *f;
278 int y;
279 int ret;
280 pixman_image_t *linebuf;
281
282 trace_ppm_save(filename, ds);
283 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
284 if (fd == -1) {
285 error_setg(errp, "failed to open file '%s': %s", filename,
286 strerror(errno));
287 return;
288 }
289 f = fdopen(fd, "wb");
290 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
291 if (ret < 0) {
292 linebuf = NULL;
293 goto write_err;
294 }
295 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
296 for (y = 0; y < height; y++) {
297 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
298 clearerr(f);
299 ret = fwrite(pixman_image_get_data(linebuf), 1,
300 pixman_image_get_stride(linebuf), f);
301 (void)ret;
302 if (ferror(f)) {
303 goto write_err;
304 }
305 }
306
307 out:
308 qemu_pixman_image_unref(linebuf);
309 fclose(f);
310 return;
311
312 write_err:
313 error_setg(errp, "failed to write to file '%s': %s", filename,
314 strerror(errno));
315 unlink(filename);
316 goto out;
317 }
318
319 void qmp_screendump(const char *filename, Error **errp)
320 {
321 QemuConsole *con = qemu_console_lookup_by_index(0);
322 DisplaySurface *surface;
323
324 if (con == NULL) {
325 error_setg(errp, "There is no QemuConsole I can screendump from.");
326 return;
327 }
328
329 graphic_hw_update(con);
330 surface = qemu_console_surface(con);
331 ppm_save(filename, surface, errp);
332 }
333
334 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
335 {
336 if (!con) {
337 con = active_console;
338 }
339 if (con && con->hw_ops->text_update) {
340 con->hw_ops->text_update(con->hw, chardata);
341 }
342 }
343
344 static void vga_fill_rect(QemuConsole *con,
345 int posx, int posy, int width, int height,
346 pixman_color_t color)
347 {
348 DisplaySurface *surface = qemu_console_surface(con);
349 pixman_rectangle16_t rect = {
350 .x = posx, .y = posy, .width = width, .height = height
351 };
352
353 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
354 &color, 1, &rect);
355 }
356
357 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
358 static void vga_bitblt(QemuConsole *con,
359 int xs, int ys, int xd, int yd, int w, int h)
360 {
361 DisplaySurface *surface = qemu_console_surface(con);
362
363 pixman_image_composite(PIXMAN_OP_SRC,
364 surface->image, NULL, surface->image,
365 xs, ys, 0, 0, xd, yd, w, h);
366 }
367
368 /***********************************************************/
369 /* basic char display */
370
371 #define FONT_HEIGHT 16
372 #define FONT_WIDTH 8
373
374 #include "vgafont.h"
375
376 #ifndef CONFIG_CURSES
377 enum color_names {
378 COLOR_BLACK = 0,
379 COLOR_RED = 1,
380 COLOR_GREEN = 2,
381 COLOR_YELLOW = 3,
382 COLOR_BLUE = 4,
383 COLOR_MAGENTA = 5,
384 COLOR_CYAN = 6,
385 COLOR_WHITE = 7
386 };
387 #endif
388
389 #define QEMU_RGB(r, g, b) \
390 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
391
392 static const pixman_color_t color_table_rgb[2][8] = {
393 { /* dark */
394 QEMU_RGB(0x00, 0x00, 0x00), /* black */
395 QEMU_RGB(0xaa, 0x00, 0x00), /* red */
396 QEMU_RGB(0x00, 0xaa, 0x00), /* green */
397 QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
398 QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
399 QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
400 QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
401 QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
402 },
403 { /* bright */
404 QEMU_RGB(0x00, 0x00, 0x00), /* black */
405 QEMU_RGB(0xff, 0x00, 0x00), /* red */
406 QEMU_RGB(0x00, 0xff, 0x00), /* green */
407 QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
408 QEMU_RGB(0x00, 0x00, 0xff), /* blue */
409 QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
410 QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
411 QEMU_RGB(0xff, 0xff, 0xff), /* white */
412 }
413 };
414
415 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
416 TextAttributes *t_attrib)
417 {
418 static pixman_image_t *glyphs[256];
419 DisplaySurface *surface = qemu_console_surface(s);
420 pixman_color_t fgcol, bgcol;
421
422 if (t_attrib->invers) {
423 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
424 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
425 } else {
426 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
427 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
428 }
429
430 if (!glyphs[ch]) {
431 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
432 }
433 qemu_pixman_glyph_render(glyphs[ch], surface->image,
434 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
435 }
436
437 static void text_console_resize(QemuConsole *s)
438 {
439 TextCell *cells, *c, *c1;
440 int w1, x, y, last_width;
441
442 last_width = s->width;
443 s->width = surface_width(s->surface) / FONT_WIDTH;
444 s->height = surface_height(s->surface) / FONT_HEIGHT;
445
446 w1 = last_width;
447 if (s->width < w1)
448 w1 = s->width;
449
450 cells = g_malloc(s->width * s->total_height * sizeof(TextCell));
451 for(y = 0; y < s->total_height; y++) {
452 c = &cells[y * s->width];
453 if (w1 > 0) {
454 c1 = &s->cells[y * last_width];
455 for(x = 0; x < w1; x++) {
456 *c++ = *c1++;
457 }
458 }
459 for(x = w1; x < s->width; x++) {
460 c->ch = ' ';
461 c->t_attrib = s->t_attrib_default;
462 c++;
463 }
464 }
465 g_free(s->cells);
466 s->cells = cells;
467 }
468
469 static inline void text_update_xy(QemuConsole *s, int x, int y)
470 {
471 s->text_x[0] = MIN(s->text_x[0], x);
472 s->text_x[1] = MAX(s->text_x[1], x);
473 s->text_y[0] = MIN(s->text_y[0], y);
474 s->text_y[1] = MAX(s->text_y[1], y);
475 }
476
477 static void invalidate_xy(QemuConsole *s, int x, int y)
478 {
479 if (!qemu_console_is_visible(s)) {
480 return;
481 }
482 if (s->update_x0 > x * FONT_WIDTH)
483 s->update_x0 = x * FONT_WIDTH;
484 if (s->update_y0 > y * FONT_HEIGHT)
485 s->update_y0 = y * FONT_HEIGHT;
486 if (s->update_x1 < (x + 1) * FONT_WIDTH)
487 s->update_x1 = (x + 1) * FONT_WIDTH;
488 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
489 s->update_y1 = (y + 1) * FONT_HEIGHT;
490 }
491
492 static void update_xy(QemuConsole *s, int x, int y)
493 {
494 TextCell *c;
495 int y1, y2;
496
497 if (s->ds->have_text) {
498 text_update_xy(s, x, y);
499 }
500
501 y1 = (s->y_base + y) % s->total_height;
502 y2 = y1 - s->y_displayed;
503 if (y2 < 0) {
504 y2 += s->total_height;
505 }
506 if (y2 < s->height) {
507 c = &s->cells[y1 * s->width + x];
508 vga_putcharxy(s, x, y2, c->ch,
509 &(c->t_attrib));
510 invalidate_xy(s, x, y2);
511 }
512 }
513
514 static void console_show_cursor(QemuConsole *s, int show)
515 {
516 TextCell *c;
517 int y, y1;
518 int x = s->x;
519
520 if (s->ds->have_text) {
521 s->cursor_invalidate = 1;
522 }
523
524 if (x >= s->width) {
525 x = s->width - 1;
526 }
527 y1 = (s->y_base + s->y) % s->total_height;
528 y = y1 - s->y_displayed;
529 if (y < 0) {
530 y += s->total_height;
531 }
532 if (y < s->height) {
533 c = &s->cells[y1 * s->width + x];
534 if (show && cursor_visible_phase) {
535 TextAttributes t_attrib = s->t_attrib_default;
536 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
537 vga_putcharxy(s, x, y, c->ch, &t_attrib);
538 } else {
539 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
540 }
541 invalidate_xy(s, x, y);
542 }
543 }
544
545 static void console_refresh(QemuConsole *s)
546 {
547 DisplaySurface *surface = qemu_console_surface(s);
548 TextCell *c;
549 int x, y, y1;
550
551 if (s->ds->have_text) {
552 s->text_x[0] = 0;
553 s->text_y[0] = 0;
554 s->text_x[1] = s->width - 1;
555 s->text_y[1] = s->height - 1;
556 s->cursor_invalidate = 1;
557 }
558
559 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
560 color_table_rgb[0][COLOR_BLACK]);
561 y1 = s->y_displayed;
562 for (y = 0; y < s->height; y++) {
563 c = s->cells + y1 * s->width;
564 for (x = 0; x < s->width; x++) {
565 vga_putcharxy(s, x, y, c->ch,
566 &(c->t_attrib));
567 c++;
568 }
569 if (++y1 == s->total_height) {
570 y1 = 0;
571 }
572 }
573 console_show_cursor(s, 1);
574 dpy_gfx_update(s, 0, 0,
575 surface_width(surface), surface_height(surface));
576 }
577
578 static void console_scroll(QemuConsole *s, int ydelta)
579 {
580 int i, y1;
581
582 if (ydelta > 0) {
583 for(i = 0; i < ydelta; i++) {
584 if (s->y_displayed == s->y_base)
585 break;
586 if (++s->y_displayed == s->total_height)
587 s->y_displayed = 0;
588 }
589 } else {
590 ydelta = -ydelta;
591 i = s->backscroll_height;
592 if (i > s->total_height - s->height)
593 i = s->total_height - s->height;
594 y1 = s->y_base - i;
595 if (y1 < 0)
596 y1 += s->total_height;
597 for(i = 0; i < ydelta; i++) {
598 if (s->y_displayed == y1)
599 break;
600 if (--s->y_displayed < 0)
601 s->y_displayed = s->total_height - 1;
602 }
603 }
604 console_refresh(s);
605 }
606
607 static void console_put_lf(QemuConsole *s)
608 {
609 TextCell *c;
610 int x, y1;
611
612 s->y++;
613 if (s->y >= s->height) {
614 s->y = s->height - 1;
615
616 if (s->y_displayed == s->y_base) {
617 if (++s->y_displayed == s->total_height)
618 s->y_displayed = 0;
619 }
620 if (++s->y_base == s->total_height)
621 s->y_base = 0;
622 if (s->backscroll_height < s->total_height)
623 s->backscroll_height++;
624 y1 = (s->y_base + s->height - 1) % s->total_height;
625 c = &s->cells[y1 * s->width];
626 for(x = 0; x < s->width; x++) {
627 c->ch = ' ';
628 c->t_attrib = s->t_attrib_default;
629 c++;
630 }
631 if (s->y_displayed == s->y_base) {
632 if (s->ds->have_text) {
633 s->text_x[0] = 0;
634 s->text_y[0] = 0;
635 s->text_x[1] = s->width - 1;
636 s->text_y[1] = s->height - 1;
637 }
638
639 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
640 s->width * FONT_WIDTH,
641 (s->height - 1) * FONT_HEIGHT);
642 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
643 s->width * FONT_WIDTH, FONT_HEIGHT,
644 color_table_rgb[0][s->t_attrib_default.bgcol]);
645 s->update_x0 = 0;
646 s->update_y0 = 0;
647 s->update_x1 = s->width * FONT_WIDTH;
648 s->update_y1 = s->height * FONT_HEIGHT;
649 }
650 }
651 }
652
653 /* Set console attributes depending on the current escape codes.
654 * NOTE: I know this code is not very efficient (checking every color for it
655 * self) but it is more readable and better maintainable.
656 */
657 static void console_handle_escape(QemuConsole *s)
658 {
659 int i;
660
661 for (i=0; i<s->nb_esc_params; i++) {
662 switch (s->esc_params[i]) {
663 case 0: /* reset all console attributes to default */
664 s->t_attrib = s->t_attrib_default;
665 break;
666 case 1:
667 s->t_attrib.bold = 1;
668 break;
669 case 4:
670 s->t_attrib.uline = 1;
671 break;
672 case 5:
673 s->t_attrib.blink = 1;
674 break;
675 case 7:
676 s->t_attrib.invers = 1;
677 break;
678 case 8:
679 s->t_attrib.unvisible = 1;
680 break;
681 case 22:
682 s->t_attrib.bold = 0;
683 break;
684 case 24:
685 s->t_attrib.uline = 0;
686 break;
687 case 25:
688 s->t_attrib.blink = 0;
689 break;
690 case 27:
691 s->t_attrib.invers = 0;
692 break;
693 case 28:
694 s->t_attrib.unvisible = 0;
695 break;
696 /* set foreground color */
697 case 30:
698 s->t_attrib.fgcol=COLOR_BLACK;
699 break;
700 case 31:
701 s->t_attrib.fgcol=COLOR_RED;
702 break;
703 case 32:
704 s->t_attrib.fgcol=COLOR_GREEN;
705 break;
706 case 33:
707 s->t_attrib.fgcol=COLOR_YELLOW;
708 break;
709 case 34:
710 s->t_attrib.fgcol=COLOR_BLUE;
711 break;
712 case 35:
713 s->t_attrib.fgcol=COLOR_MAGENTA;
714 break;
715 case 36:
716 s->t_attrib.fgcol=COLOR_CYAN;
717 break;
718 case 37:
719 s->t_attrib.fgcol=COLOR_WHITE;
720 break;
721 /* set background color */
722 case 40:
723 s->t_attrib.bgcol=COLOR_BLACK;
724 break;
725 case 41:
726 s->t_attrib.bgcol=COLOR_RED;
727 break;
728 case 42:
729 s->t_attrib.bgcol=COLOR_GREEN;
730 break;
731 case 43:
732 s->t_attrib.bgcol=COLOR_YELLOW;
733 break;
734 case 44:
735 s->t_attrib.bgcol=COLOR_BLUE;
736 break;
737 case 45:
738 s->t_attrib.bgcol=COLOR_MAGENTA;
739 break;
740 case 46:
741 s->t_attrib.bgcol=COLOR_CYAN;
742 break;
743 case 47:
744 s->t_attrib.bgcol=COLOR_WHITE;
745 break;
746 }
747 }
748 }
749
750 static void console_clear_xy(QemuConsole *s, int x, int y)
751 {
752 int y1 = (s->y_base + y) % s->total_height;
753 TextCell *c = &s->cells[y1 * s->width + x];
754 c->ch = ' ';
755 c->t_attrib = s->t_attrib_default;
756 update_xy(s, x, y);
757 }
758
759 /* set cursor, checking bounds */
760 static void set_cursor(QemuConsole *s, int x, int y)
761 {
762 if (x < 0) {
763 x = 0;
764 }
765 if (y < 0) {
766 y = 0;
767 }
768 if (y >= s->height) {
769 y = s->height - 1;
770 }
771 if (x >= s->width) {
772 x = s->width - 1;
773 }
774
775 s->x = x;
776 s->y = y;
777 }
778
779 static void console_putchar(QemuConsole *s, int ch)
780 {
781 TextCell *c;
782 int y1, i;
783 int x, y;
784
785 switch(s->state) {
786 case TTY_STATE_NORM:
787 switch(ch) {
788 case '\r': /* carriage return */
789 s->x = 0;
790 break;
791 case '\n': /* newline */
792 console_put_lf(s);
793 break;
794 case '\b': /* backspace */
795 if (s->x > 0)
796 s->x--;
797 break;
798 case '\t': /* tabspace */
799 if (s->x + (8 - (s->x % 8)) > s->width) {
800 s->x = 0;
801 console_put_lf(s);
802 } else {
803 s->x = s->x + (8 - (s->x % 8));
804 }
805 break;
806 case '\a': /* alert aka. bell */
807 /* TODO: has to be implemented */
808 break;
809 case 14:
810 /* SI (shift in), character set 0 (ignored) */
811 break;
812 case 15:
813 /* SO (shift out), character set 1 (ignored) */
814 break;
815 case 27: /* esc (introducing an escape sequence) */
816 s->state = TTY_STATE_ESC;
817 break;
818 default:
819 if (s->x >= s->width) {
820 /* line wrap */
821 s->x = 0;
822 console_put_lf(s);
823 }
824 y1 = (s->y_base + s->y) % s->total_height;
825 c = &s->cells[y1 * s->width + s->x];
826 c->ch = ch;
827 c->t_attrib = s->t_attrib;
828 update_xy(s, s->x, s->y);
829 s->x++;
830 break;
831 }
832 break;
833 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
834 if (ch == '[') {
835 for(i=0;i<MAX_ESC_PARAMS;i++)
836 s->esc_params[i] = 0;
837 s->nb_esc_params = 0;
838 s->state = TTY_STATE_CSI;
839 } else {
840 s->state = TTY_STATE_NORM;
841 }
842 break;
843 case TTY_STATE_CSI: /* handle escape sequence parameters */
844 if (ch >= '0' && ch <= '9') {
845 if (s->nb_esc_params < MAX_ESC_PARAMS) {
846 int *param = &s->esc_params[s->nb_esc_params];
847 int digit = (ch - '0');
848
849 *param = (*param <= (INT_MAX - digit) / 10) ?
850 *param * 10 + digit : INT_MAX;
851 }
852 } else {
853 if (s->nb_esc_params < MAX_ESC_PARAMS)
854 s->nb_esc_params++;
855 if (ch == ';')
856 break;
857 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
858 ch, s->nb_esc_params);
859 s->state = TTY_STATE_NORM;
860 switch(ch) {
861 case 'A':
862 /* move cursor up */
863 if (s->esc_params[0] == 0) {
864 s->esc_params[0] = 1;
865 }
866 set_cursor(s, s->x, s->y - s->esc_params[0]);
867 break;
868 case 'B':
869 /* move cursor down */
870 if (s->esc_params[0] == 0) {
871 s->esc_params[0] = 1;
872 }
873 set_cursor(s, s->x, s->y + s->esc_params[0]);
874 break;
875 case 'C':
876 /* move cursor right */
877 if (s->esc_params[0] == 0) {
878 s->esc_params[0] = 1;
879 }
880 set_cursor(s, s->x + s->esc_params[0], s->y);
881 break;
882 case 'D':
883 /* move cursor left */
884 if (s->esc_params[0] == 0) {
885 s->esc_params[0] = 1;
886 }
887 set_cursor(s, s->x - s->esc_params[0], s->y);
888 break;
889 case 'G':
890 /* move cursor to column */
891 set_cursor(s, s->esc_params[0] - 1, s->y);
892 break;
893 case 'f':
894 case 'H':
895 /* move cursor to row, column */
896 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
897 break;
898 case 'J':
899 switch (s->esc_params[0]) {
900 case 0:
901 /* clear to end of screen */
902 for (y = s->y; y < s->height; y++) {
903 for (x = 0; x < s->width; x++) {
904 if (y == s->y && x < s->x) {
905 continue;
906 }
907 console_clear_xy(s, x, y);
908 }
909 }
910 break;
911 case 1:
912 /* clear from beginning of screen */
913 for (y = 0; y <= s->y; y++) {
914 for (x = 0; x < s->width; x++) {
915 if (y == s->y && x > s->x) {
916 break;
917 }
918 console_clear_xy(s, x, y);
919 }
920 }
921 break;
922 case 2:
923 /* clear entire screen */
924 for (y = 0; y <= s->height; y++) {
925 for (x = 0; x < s->width; x++) {
926 console_clear_xy(s, x, y);
927 }
928 }
929 break;
930 }
931 break;
932 case 'K':
933 switch (s->esc_params[0]) {
934 case 0:
935 /* clear to eol */
936 for(x = s->x; x < s->width; x++) {
937 console_clear_xy(s, x, s->y);
938 }
939 break;
940 case 1:
941 /* clear from beginning of line */
942 for (x = 0; x <= s->x; x++) {
943 console_clear_xy(s, x, s->y);
944 }
945 break;
946 case 2:
947 /* clear entire line */
948 for(x = 0; x < s->width; x++) {
949 console_clear_xy(s, x, s->y);
950 }
951 break;
952 }
953 break;
954 case 'm':
955 console_handle_escape(s);
956 break;
957 case 'n':
958 /* report cursor position */
959 /* TODO: send ESC[row;colR */
960 break;
961 case 's':
962 /* save cursor position */
963 s->x_saved = s->x;
964 s->y_saved = s->y;
965 break;
966 case 'u':
967 /* restore cursor position */
968 s->x = s->x_saved;
969 s->y = s->y_saved;
970 break;
971 default:
972 trace_console_putchar_unhandled(ch);
973 break;
974 }
975 break;
976 }
977 }
978 }
979
980 void console_select(unsigned int index)
981 {
982 DisplayChangeListener *dcl;
983 QemuConsole *s;
984
985 trace_console_select(index);
986 s = qemu_console_lookup_by_index(index);
987 if (s) {
988 DisplayState *ds = s->ds;
989
990 active_console = s;
991 if (ds->have_gfx) {
992 QLIST_FOREACH(dcl, &ds->listeners, next) {
993 if (dcl->con != NULL) {
994 continue;
995 }
996 if (dcl->ops->dpy_gfx_switch) {
997 dcl->ops->dpy_gfx_switch(dcl, s->surface);
998 }
999 }
1000 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1001 surface_height(s->surface));
1002 }
1003 if (ds->have_text) {
1004 dpy_text_resize(s, s->width, s->height);
1005 }
1006 text_console_update_cursor(NULL);
1007 }
1008 }
1009
1010 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1011 {
1012 QemuConsole *s = chr->opaque;
1013 int i;
1014
1015 s->update_x0 = s->width * FONT_WIDTH;
1016 s->update_y0 = s->height * FONT_HEIGHT;
1017 s->update_x1 = 0;
1018 s->update_y1 = 0;
1019 console_show_cursor(s, 0);
1020 for(i = 0; i < len; i++) {
1021 console_putchar(s, buf[i]);
1022 }
1023 console_show_cursor(s, 1);
1024 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1025 dpy_gfx_update(s, s->update_x0, s->update_y0,
1026 s->update_x1 - s->update_x0,
1027 s->update_y1 - s->update_y0);
1028 }
1029 return len;
1030 }
1031
1032 static void kbd_send_chars(void *opaque)
1033 {
1034 QemuConsole *s = opaque;
1035 int len;
1036 uint8_t buf[16];
1037
1038 len = qemu_chr_be_can_write(s->chr);
1039 if (len > s->out_fifo.count)
1040 len = s->out_fifo.count;
1041 if (len > 0) {
1042 if (len > sizeof(buf))
1043 len = sizeof(buf);
1044 qemu_fifo_read(&s->out_fifo, buf, len);
1045 qemu_chr_be_write(s->chr, buf, len);
1046 }
1047 /* characters are pending: we send them a bit later (XXX:
1048 horrible, should change char device API) */
1049 if (s->out_fifo.count > 0) {
1050 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1051 }
1052 }
1053
1054 /* called when an ascii key is pressed */
1055 void kbd_put_keysym_console(QemuConsole *s, int keysym)
1056 {
1057 uint8_t buf[16], *q;
1058 int c;
1059
1060 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1061 return;
1062
1063 switch(keysym) {
1064 case QEMU_KEY_CTRL_UP:
1065 console_scroll(s, -1);
1066 break;
1067 case QEMU_KEY_CTRL_DOWN:
1068 console_scroll(s, 1);
1069 break;
1070 case QEMU_KEY_CTRL_PAGEUP:
1071 console_scroll(s, -10);
1072 break;
1073 case QEMU_KEY_CTRL_PAGEDOWN:
1074 console_scroll(s, 10);
1075 break;
1076 default:
1077 /* convert the QEMU keysym to VT100 key string */
1078 q = buf;
1079 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1080 *q++ = '\033';
1081 *q++ = '[';
1082 c = keysym - 0xe100;
1083 if (c >= 10)
1084 *q++ = '0' + (c / 10);
1085 *q++ = '0' + (c % 10);
1086 *q++ = '~';
1087 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1088 *q++ = '\033';
1089 *q++ = '[';
1090 *q++ = keysym & 0xff;
1091 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1092 console_puts(s->chr, (const uint8_t *) "\r", 1);
1093 *q++ = '\n';
1094 } else {
1095 *q++ = keysym;
1096 }
1097 if (s->echo) {
1098 console_puts(s->chr, buf, q - buf);
1099 }
1100 if (s->chr->chr_read) {
1101 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1102 kbd_send_chars(s);
1103 }
1104 break;
1105 }
1106 }
1107
1108 static const int qcode_to_keysym[Q_KEY_CODE_MAX] = {
1109 [Q_KEY_CODE_UP] = QEMU_KEY_UP,
1110 [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
1111 [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
1112 [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
1113 [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
1114 [Q_KEY_CODE_END] = QEMU_KEY_END,
1115 [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
1116 [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
1117 [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
1118 };
1119
1120 bool kbd_put_qcode_console(QemuConsole *s, int qcode)
1121 {
1122 int keysym;
1123
1124 keysym = qcode_to_keysym[qcode];
1125 if (keysym == 0) {
1126 return false;
1127 }
1128 kbd_put_keysym_console(s, keysym);
1129 return true;
1130 }
1131
1132 void kbd_put_string_console(QemuConsole *s, const char *str, int len)
1133 {
1134 int i;
1135
1136 for (i = 0; i < len && str[i]; i++) {
1137 kbd_put_keysym_console(s, str[i]);
1138 }
1139 }
1140
1141 void kbd_put_keysym(int keysym)
1142 {
1143 kbd_put_keysym_console(active_console, keysym);
1144 }
1145
1146 static void text_console_invalidate(void *opaque)
1147 {
1148 QemuConsole *s = (QemuConsole *) opaque;
1149
1150 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1151 text_console_resize(s);
1152 }
1153 console_refresh(s);
1154 }
1155
1156 static void text_console_update(void *opaque, console_ch_t *chardata)
1157 {
1158 QemuConsole *s = (QemuConsole *) opaque;
1159 int i, j, src;
1160
1161 if (s->text_x[0] <= s->text_x[1]) {
1162 src = (s->y_base + s->text_y[0]) * s->width;
1163 chardata += s->text_y[0] * s->width;
1164 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1165 for (j = 0; j < s->width; j ++, src ++)
1166 console_write_ch(chardata ++, s->cells[src].ch |
1167 (s->cells[src].t_attrib.fgcol << 12) |
1168 (s->cells[src].t_attrib.bgcol << 8) |
1169 (s->cells[src].t_attrib.bold << 21));
1170 dpy_text_update(s, s->text_x[0], s->text_y[0],
1171 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1172 s->text_x[0] = s->width;
1173 s->text_y[0] = s->height;
1174 s->text_x[1] = 0;
1175 s->text_y[1] = 0;
1176 }
1177 if (s->cursor_invalidate) {
1178 dpy_text_cursor(s, s->x, s->y);
1179 s->cursor_invalidate = 0;
1180 }
1181 }
1182
1183 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
1184 uint32_t head)
1185 {
1186 Object *obj;
1187 QemuConsole *s;
1188 int i;
1189
1190 obj = object_new(TYPE_QEMU_CONSOLE);
1191 s = QEMU_CONSOLE(obj);
1192 s->head = head;
1193 object_property_add_link(obj, "device", TYPE_DEVICE,
1194 (Object **)&s->device,
1195 object_property_allow_set_link,
1196 OBJ_PROP_LINK_UNREF_ON_RELEASE,
1197 &error_abort);
1198 object_property_add_uint32_ptr(obj, "head",
1199 &s->head, &error_abort);
1200
1201 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1202 (console_type == GRAPHIC_CONSOLE))) {
1203 active_console = s;
1204 }
1205 s->ds = ds;
1206 s->console_type = console_type;
1207
1208 consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
1209 if (console_type != GRAPHIC_CONSOLE) {
1210 s->index = nb_consoles;
1211 consoles[nb_consoles++] = s;
1212 } else {
1213 /* HACK: Put graphical consoles before text consoles. */
1214 for (i = nb_consoles; i > 0; i--) {
1215 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1216 break;
1217 consoles[i] = consoles[i - 1];
1218 consoles[i]->index = i;
1219 }
1220 s->index = i;
1221 consoles[i] = s;
1222 nb_consoles++;
1223 }
1224 return s;
1225 }
1226
1227 static void qemu_alloc_display(DisplaySurface *surface, int width, int height,
1228 int linesize, PixelFormat pf, int newflags)
1229 {
1230 surface->pf = pf;
1231
1232 qemu_pixman_image_unref(surface->image);
1233 surface->image = NULL;
1234
1235 surface->format = qemu_pixman_get_format(&pf);
1236 assert(surface->format != 0);
1237 surface->image = pixman_image_create_bits(surface->format,
1238 width, height,
1239 NULL, linesize);
1240 assert(surface->image != NULL);
1241
1242 surface->flags = newflags | QEMU_ALLOCATED_FLAG;
1243 #ifdef HOST_WORDS_BIGENDIAN
1244 surface->flags |= QEMU_BIG_ENDIAN_FLAG;
1245 #endif
1246 }
1247
1248 DisplaySurface *qemu_create_displaysurface(int width, int height)
1249 {
1250 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1251 int linesize = width * 4;
1252
1253 trace_displaysurface_create(surface, width, height);
1254 qemu_alloc_display(surface, width, height, linesize,
1255 qemu_default_pixelformat(32), 0);
1256 return surface;
1257 }
1258
1259 DisplaySurface *qemu_create_displaysurface_from(int width, int height, int bpp,
1260 int linesize, uint8_t *data,
1261 bool byteswap)
1262 {
1263 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1264
1265 trace_displaysurface_create_from(surface, width, height, bpp, byteswap);
1266 if (byteswap) {
1267 surface->pf = qemu_different_endianness_pixelformat(bpp);
1268 } else {
1269 surface->pf = qemu_default_pixelformat(bpp);
1270 }
1271
1272 surface->format = qemu_pixman_get_format(&surface->pf);
1273 assert(surface->format != 0);
1274 surface->image = pixman_image_create_bits(surface->format,
1275 width, height,
1276 (void *)data, linesize);
1277 assert(surface->image != NULL);
1278
1279 #ifdef HOST_WORDS_BIGENDIAN
1280 surface->flags = QEMU_BIG_ENDIAN_FLAG;
1281 #endif
1282
1283 return surface;
1284 }
1285
1286 static DisplaySurface *qemu_create_message_surface(int w, int h,
1287 const char *msg)
1288 {
1289 DisplaySurface *surface = qemu_create_displaysurface(w, h);
1290 pixman_color_t bg = color_table_rgb[0][COLOR_BLACK];
1291 pixman_color_t fg = color_table_rgb[0][COLOR_WHITE];
1292 pixman_image_t *glyph;
1293 int len, x, y, i;
1294
1295 len = strlen(msg);
1296 x = (w / FONT_WIDTH - len) / 2;
1297 y = (h / FONT_HEIGHT - 1) / 2;
1298 for (i = 0; i < len; i++) {
1299 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1300 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1301 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1302 qemu_pixman_image_unref(glyph);
1303 }
1304 return surface;
1305 }
1306
1307 void qemu_free_displaysurface(DisplaySurface *surface)
1308 {
1309 if (surface == NULL) {
1310 return;
1311 }
1312 trace_displaysurface_free(surface);
1313 qemu_pixman_image_unref(surface->image);
1314 g_free(surface);
1315 }
1316
1317 void register_displaychangelistener(DisplayChangeListener *dcl)
1318 {
1319 static const char nodev[] =
1320 "This VM has no graphic display device.";
1321 static DisplaySurface *dummy;
1322 QemuConsole *con;
1323
1324 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1325 dcl->ds = get_alloc_displaystate();
1326 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1327 gui_setup_refresh(dcl->ds);
1328 if (dcl->con) {
1329 dcl->con->dcls++;
1330 con = dcl->con;
1331 } else {
1332 con = active_console;
1333 }
1334 if (dcl->ops->dpy_gfx_switch) {
1335 if (con) {
1336 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1337 } else {
1338 if (!dummy) {
1339 dummy = qemu_create_message_surface(640, 480, nodev);
1340 }
1341 dcl->ops->dpy_gfx_switch(dcl, dummy);
1342 }
1343 }
1344 text_console_update_cursor(NULL);
1345 }
1346
1347 void update_displaychangelistener(DisplayChangeListener *dcl,
1348 uint64_t interval)
1349 {
1350 DisplayState *ds = dcl->ds;
1351
1352 dcl->update_interval = interval;
1353 if (!ds->refreshing && ds->update_interval > interval) {
1354 timer_mod(ds->gui_timer, ds->last_update + interval);
1355 }
1356 }
1357
1358 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1359 {
1360 DisplayState *ds = dcl->ds;
1361 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1362 if (dcl->con) {
1363 dcl->con->dcls--;
1364 }
1365 QLIST_REMOVE(dcl, next);
1366 gui_setup_refresh(ds);
1367 }
1368
1369 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
1370 {
1371 assert(con != NULL);
1372 con->ui_info = *info;
1373 if (con->hw_ops->ui_info) {
1374 return con->hw_ops->ui_info(con->hw, con->head, info);
1375 }
1376 return -1;
1377 }
1378
1379 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1380 {
1381 DisplayState *s = con->ds;
1382 DisplayChangeListener *dcl;
1383 int width = surface_width(con->surface);
1384 int height = surface_height(con->surface);
1385
1386 x = MAX(x, 0);
1387 y = MAX(y, 0);
1388 x = MIN(x, width);
1389 y = MIN(y, height);
1390 w = MIN(w, width - x);
1391 h = MIN(h, height - y);
1392
1393 if (!qemu_console_is_visible(con)) {
1394 return;
1395 }
1396 QLIST_FOREACH(dcl, &s->listeners, next) {
1397 if (con != (dcl->con ? dcl->con : active_console)) {
1398 continue;
1399 }
1400 if (dcl->ops->dpy_gfx_update) {
1401 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1402 }
1403 }
1404 }
1405
1406 void dpy_gfx_replace_surface(QemuConsole *con,
1407 DisplaySurface *surface)
1408 {
1409 DisplayState *s = con->ds;
1410 DisplaySurface *old_surface = con->surface;
1411 DisplayChangeListener *dcl;
1412
1413 con->surface = surface;
1414 QLIST_FOREACH(dcl, &s->listeners, next) {
1415 if (con != (dcl->con ? dcl->con : active_console)) {
1416 continue;
1417 }
1418 if (dcl->ops->dpy_gfx_switch) {
1419 dcl->ops->dpy_gfx_switch(dcl, surface);
1420 }
1421 }
1422 qemu_free_displaysurface(old_surface);
1423 }
1424
1425 static void dpy_refresh(DisplayState *s)
1426 {
1427 DisplayChangeListener *dcl;
1428
1429 QLIST_FOREACH(dcl, &s->listeners, next) {
1430 if (dcl->ops->dpy_refresh) {
1431 dcl->ops->dpy_refresh(dcl);
1432 }
1433 }
1434 }
1435
1436 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1437 int dst_x, int dst_y, int w, int h)
1438 {
1439 DisplayState *s = con->ds;
1440 DisplayChangeListener *dcl;
1441
1442 if (!qemu_console_is_visible(con)) {
1443 return;
1444 }
1445 QLIST_FOREACH(dcl, &s->listeners, next) {
1446 if (con != (dcl->con ? dcl->con : active_console)) {
1447 continue;
1448 }
1449 if (dcl->ops->dpy_gfx_copy) {
1450 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1451 } else { /* TODO */
1452 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1453 }
1454 }
1455 }
1456
1457 void dpy_text_cursor(QemuConsole *con, int x, int y)
1458 {
1459 DisplayState *s = con->ds;
1460 DisplayChangeListener *dcl;
1461
1462 if (!qemu_console_is_visible(con)) {
1463 return;
1464 }
1465 QLIST_FOREACH(dcl, &s->listeners, next) {
1466 if (con != (dcl->con ? dcl->con : active_console)) {
1467 continue;
1468 }
1469 if (dcl->ops->dpy_text_cursor) {
1470 dcl->ops->dpy_text_cursor(dcl, x, y);
1471 }
1472 }
1473 }
1474
1475 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1476 {
1477 DisplayState *s = con->ds;
1478 DisplayChangeListener *dcl;
1479
1480 if (!qemu_console_is_visible(con)) {
1481 return;
1482 }
1483 QLIST_FOREACH(dcl, &s->listeners, next) {
1484 if (con != (dcl->con ? dcl->con : active_console)) {
1485 continue;
1486 }
1487 if (dcl->ops->dpy_text_update) {
1488 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1489 }
1490 }
1491 }
1492
1493 void dpy_text_resize(QemuConsole *con, int w, int h)
1494 {
1495 DisplayState *s = con->ds;
1496 struct DisplayChangeListener *dcl;
1497
1498 if (!qemu_console_is_visible(con)) {
1499 return;
1500 }
1501 QLIST_FOREACH(dcl, &s->listeners, next) {
1502 if (con != (dcl->con ? dcl->con : active_console)) {
1503 continue;
1504 }
1505 if (dcl->ops->dpy_text_resize) {
1506 dcl->ops->dpy_text_resize(dcl, w, h);
1507 }
1508 }
1509 }
1510
1511 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1512 {
1513 DisplayState *s = con->ds;
1514 DisplayChangeListener *dcl;
1515
1516 if (!qemu_console_is_visible(con)) {
1517 return;
1518 }
1519 QLIST_FOREACH(dcl, &s->listeners, next) {
1520 if (con != (dcl->con ? dcl->con : active_console)) {
1521 continue;
1522 }
1523 if (dcl->ops->dpy_mouse_set) {
1524 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1525 }
1526 }
1527 }
1528
1529 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1530 {
1531 DisplayState *s = con->ds;
1532 DisplayChangeListener *dcl;
1533
1534 if (!qemu_console_is_visible(con)) {
1535 return;
1536 }
1537 QLIST_FOREACH(dcl, &s->listeners, next) {
1538 if (con != (dcl->con ? dcl->con : active_console)) {
1539 continue;
1540 }
1541 if (dcl->ops->dpy_cursor_define) {
1542 dcl->ops->dpy_cursor_define(dcl, cursor);
1543 }
1544 }
1545 }
1546
1547 bool dpy_cursor_define_supported(QemuConsole *con)
1548 {
1549 DisplayState *s = con->ds;
1550 DisplayChangeListener *dcl;
1551
1552 QLIST_FOREACH(dcl, &s->listeners, next) {
1553 if (dcl->ops->dpy_cursor_define) {
1554 return true;
1555 }
1556 }
1557 return false;
1558 }
1559
1560 /***********************************************************/
1561 /* register display */
1562
1563 /* console.c internal use only */
1564 static DisplayState *get_alloc_displaystate(void)
1565 {
1566 if (!display_state) {
1567 display_state = g_new0(DisplayState, 1);
1568 cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
1569 text_console_update_cursor, NULL);
1570 }
1571 return display_state;
1572 }
1573
1574 /*
1575 * Called by main(), after creating QemuConsoles
1576 * and before initializing ui (sdl/vnc/...).
1577 */
1578 DisplayState *init_displaystate(void)
1579 {
1580 gchar *name;
1581 int i;
1582
1583 get_alloc_displaystate();
1584 for (i = 0; i < nb_consoles; i++) {
1585 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1586 consoles[i]->ds == NULL) {
1587 text_console_do_init(consoles[i]->chr, display_state);
1588 }
1589
1590 /* Hook up into the qom tree here (not in new_console()), once
1591 * all QemuConsoles are created and the order / numbering
1592 * doesn't change any more */
1593 name = g_strdup_printf("console[%d]", i);
1594 object_property_add_child(container_get(object_get_root(), "/backend"),
1595 name, OBJECT(consoles[i]), &error_abort);
1596 g_free(name);
1597 }
1598
1599 return display_state;
1600 }
1601
1602 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1603 const GraphicHwOps *hw_ops,
1604 void *opaque)
1605 {
1606 static const char noinit[] =
1607 "Guest has not initialized the display (yet).";
1608 int width = 640;
1609 int height = 480;
1610 QemuConsole *s;
1611 DisplayState *ds;
1612
1613 ds = get_alloc_displaystate();
1614 trace_console_gfx_new();
1615 s = new_console(ds, GRAPHIC_CONSOLE, head);
1616 s->hw_ops = hw_ops;
1617 s->hw = opaque;
1618 if (dev) {
1619 object_property_set_link(OBJECT(s), OBJECT(dev), "device",
1620 &error_abort);
1621 }
1622
1623 s->surface = qemu_create_message_surface(width, height, noinit);
1624 return s;
1625 }
1626
1627 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1628 {
1629 if (index >= nb_consoles) {
1630 return NULL;
1631 }
1632 return consoles[index];
1633 }
1634
1635 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1636 {
1637 Object *obj;
1638 uint32_t h;
1639 int i;
1640
1641 for (i = 0; i < nb_consoles; i++) {
1642 if (!consoles[i]) {
1643 continue;
1644 }
1645 obj = object_property_get_link(OBJECT(consoles[i]),
1646 "device", &error_abort);
1647 if (DEVICE(obj) != dev) {
1648 continue;
1649 }
1650 h = object_property_get_int(OBJECT(consoles[i]),
1651 "head", &error_abort);
1652 if (h != head) {
1653 continue;
1654 }
1655 return consoles[i];
1656 }
1657 return NULL;
1658 }
1659
1660 bool qemu_console_is_visible(QemuConsole *con)
1661 {
1662 return (con == active_console) || (con->dcls > 0);
1663 }
1664
1665 bool qemu_console_is_graphic(QemuConsole *con)
1666 {
1667 if (con == NULL) {
1668 con = active_console;
1669 }
1670 return con && (con->console_type == GRAPHIC_CONSOLE);
1671 }
1672
1673 bool qemu_console_is_fixedsize(QemuConsole *con)
1674 {
1675 if (con == NULL) {
1676 con = active_console;
1677 }
1678 return con && (con->console_type != TEXT_CONSOLE);
1679 }
1680
1681 int qemu_console_get_index(QemuConsole *con)
1682 {
1683 if (con == NULL) {
1684 con = active_console;
1685 }
1686 return con ? con->index : -1;
1687 }
1688
1689 uint32_t qemu_console_get_head(QemuConsole *con)
1690 {
1691 if (con == NULL) {
1692 con = active_console;
1693 }
1694 return con ? con->head : -1;
1695 }
1696
1697 QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
1698 {
1699 assert(con != NULL);
1700 return &con->ui_info;
1701 }
1702
1703 int qemu_console_get_width(QemuConsole *con, int fallback)
1704 {
1705 if (con == NULL) {
1706 con = active_console;
1707 }
1708 return con ? surface_width(con->surface) : fallback;
1709 }
1710
1711 int qemu_console_get_height(QemuConsole *con, int fallback)
1712 {
1713 if (con == NULL) {
1714 con = active_console;
1715 }
1716 return con ? surface_height(con->surface) : fallback;
1717 }
1718
1719 static void text_console_set_echo(CharDriverState *chr, bool echo)
1720 {
1721 QemuConsole *s = chr->opaque;
1722
1723 s->echo = echo;
1724 }
1725
1726 static void text_console_update_cursor_timer(void)
1727 {
1728 timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
1729 + CONSOLE_CURSOR_PERIOD / 2);
1730 }
1731
1732 static void text_console_update_cursor(void *opaque)
1733 {
1734 QemuConsole *s;
1735 int i, count = 0;
1736
1737 cursor_visible_phase = !cursor_visible_phase;
1738
1739 for (i = 0; i < nb_consoles; i++) {
1740 s = consoles[i];
1741 if (qemu_console_is_graphic(s) ||
1742 !qemu_console_is_visible(s)) {
1743 continue;
1744 }
1745 count++;
1746 graphic_hw_invalidate(s);
1747 }
1748
1749 if (count) {
1750 text_console_update_cursor_timer();
1751 }
1752 }
1753
1754 static const GraphicHwOps text_console_ops = {
1755 .invalidate = text_console_invalidate,
1756 .text_update = text_console_update,
1757 };
1758
1759 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1760 {
1761 QemuConsole *s;
1762 int g_width = 80 * FONT_WIDTH;
1763 int g_height = 24 * FONT_HEIGHT;
1764
1765 s = chr->opaque;
1766
1767 chr->chr_write = console_puts;
1768
1769 s->out_fifo.buf = s->out_fifo_buf;
1770 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1771 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
1772 s->ds = ds;
1773
1774 s->y_displayed = 0;
1775 s->y_base = 0;
1776 s->total_height = DEFAULT_BACKSCROLL;
1777 s->x = 0;
1778 s->y = 0;
1779 if (!s->surface) {
1780 if (active_console && active_console->surface) {
1781 g_width = surface_width(active_console->surface);
1782 g_height = surface_height(active_console->surface);
1783 }
1784 s->surface = qemu_create_displaysurface(g_width, g_height);
1785 }
1786
1787 s->hw_ops = &text_console_ops;
1788 s->hw = s;
1789
1790 /* Set text attribute defaults */
1791 s->t_attrib_default.bold = 0;
1792 s->t_attrib_default.uline = 0;
1793 s->t_attrib_default.blink = 0;
1794 s->t_attrib_default.invers = 0;
1795 s->t_attrib_default.unvisible = 0;
1796 s->t_attrib_default.fgcol = COLOR_WHITE;
1797 s->t_attrib_default.bgcol = COLOR_BLACK;
1798 /* set current text attributes to default */
1799 s->t_attrib = s->t_attrib_default;
1800 text_console_resize(s);
1801
1802 if (chr->label) {
1803 char msg[128];
1804 int len;
1805
1806 s->t_attrib.bgcol = COLOR_BLUE;
1807 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1808 console_puts(chr, (uint8_t*)msg, len);
1809 s->t_attrib = s->t_attrib_default;
1810 }
1811
1812 qemu_chr_be_generic_open(chr);
1813 if (chr->init)
1814 chr->init(chr);
1815 }
1816
1817 static CharDriverState *text_console_init(ChardevVC *vc)
1818 {
1819 CharDriverState *chr;
1820 QemuConsole *s;
1821 unsigned width = 0;
1822 unsigned height = 0;
1823
1824 chr = qemu_chr_alloc();
1825
1826 if (vc->has_width) {
1827 width = vc->width;
1828 } else if (vc->has_cols) {
1829 width = vc->cols * FONT_WIDTH;
1830 }
1831
1832 if (vc->has_height) {
1833 height = vc->height;
1834 } else if (vc->has_rows) {
1835 height = vc->rows * FONT_HEIGHT;
1836 }
1837
1838 trace_console_txt_new(width, height);
1839 if (width == 0 || height == 0) {
1840 s = new_console(NULL, TEXT_CONSOLE, 0);
1841 } else {
1842 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
1843 s->surface = qemu_create_displaysurface(width, height);
1844 }
1845
1846 if (!s) {
1847 g_free(chr);
1848 return NULL;
1849 }
1850
1851 s->chr = chr;
1852 chr->opaque = s;
1853 chr->chr_set_echo = text_console_set_echo;
1854 /* console/chardev init sometimes completes elsewhere in a 2nd
1855 * stage, so defer OPENED events until they are fully initialized
1856 */
1857 chr->explicit_be_open = true;
1858
1859 if (display_state) {
1860 text_console_do_init(chr, display_state);
1861 }
1862 return chr;
1863 }
1864
1865 static VcHandler *vc_handler = text_console_init;
1866
1867 CharDriverState *vc_init(ChardevVC *vc)
1868 {
1869 return vc_handler(vc);
1870 }
1871
1872 void register_vc_handler(VcHandler *handler)
1873 {
1874 vc_handler = handler;
1875 }
1876
1877 void qemu_console_resize(QemuConsole *s, int width, int height)
1878 {
1879 DisplaySurface *surface;
1880
1881 assert(s->console_type == GRAPHIC_CONSOLE);
1882 surface = qemu_create_displaysurface(width, height);
1883 dpy_gfx_replace_surface(s, surface);
1884 }
1885
1886 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
1887 int dst_x, int dst_y, int w, int h)
1888 {
1889 assert(con->console_type == GRAPHIC_CONSOLE);
1890 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
1891 }
1892
1893 DisplaySurface *qemu_console_surface(QemuConsole *console)
1894 {
1895 return console->surface;
1896 }
1897
1898 DisplayState *qemu_console_displaystate(QemuConsole *console)
1899 {
1900 return console->ds;
1901 }
1902
1903 PixelFormat qemu_different_endianness_pixelformat(int bpp)
1904 {
1905 PixelFormat pf;
1906
1907 memset(&pf, 0x00, sizeof(PixelFormat));
1908
1909 pf.bits_per_pixel = bpp;
1910 pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1911 pf.depth = bpp == 32 ? 24 : bpp;
1912
1913 switch (bpp) {
1914 case 24:
1915 pf.rmask = 0x000000FF;
1916 pf.gmask = 0x0000FF00;
1917 pf.bmask = 0x00FF0000;
1918 pf.rmax = 255;
1919 pf.gmax = 255;
1920 pf.bmax = 255;
1921 pf.rshift = 0;
1922 pf.gshift = 8;
1923 pf.bshift = 16;
1924 pf.rbits = 8;
1925 pf.gbits = 8;
1926 pf.bbits = 8;
1927 break;
1928 case 32:
1929 pf.rmask = 0x0000FF00;
1930 pf.gmask = 0x00FF0000;
1931 pf.bmask = 0xFF000000;
1932 pf.amask = 0x00000000;
1933 pf.amax = 255;
1934 pf.rmax = 255;
1935 pf.gmax = 255;
1936 pf.bmax = 255;
1937 pf.ashift = 0;
1938 pf.rshift = 8;
1939 pf.gshift = 16;
1940 pf.bshift = 24;
1941 pf.rbits = 8;
1942 pf.gbits = 8;
1943 pf.bbits = 8;
1944 pf.abits = 8;
1945 break;
1946 default:
1947 break;
1948 }
1949 return pf;
1950 }
1951
1952 PixelFormat qemu_default_pixelformat(int bpp)
1953 {
1954 PixelFormat pf;
1955
1956 memset(&pf, 0x00, sizeof(PixelFormat));
1957
1958 pf.bits_per_pixel = bpp;
1959 pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1960 pf.depth = bpp == 32 ? 24 : bpp;
1961
1962 switch (bpp) {
1963 case 15:
1964 pf.bits_per_pixel = 16;
1965 pf.rmask = 0x00007c00;
1966 pf.gmask = 0x000003E0;
1967 pf.bmask = 0x0000001F;
1968 pf.rmax = 31;
1969 pf.gmax = 31;
1970 pf.bmax = 31;
1971 pf.rshift = 10;
1972 pf.gshift = 5;
1973 pf.bshift = 0;
1974 pf.rbits = 5;
1975 pf.gbits = 5;
1976 pf.bbits = 5;
1977 break;
1978 case 16:
1979 pf.rmask = 0x0000F800;
1980 pf.gmask = 0x000007E0;
1981 pf.bmask = 0x0000001F;
1982 pf.rmax = 31;
1983 pf.gmax = 63;
1984 pf.bmax = 31;
1985 pf.rshift = 11;
1986 pf.gshift = 5;
1987 pf.bshift = 0;
1988 pf.rbits = 5;
1989 pf.gbits = 6;
1990 pf.bbits = 5;
1991 break;
1992 case 24:
1993 pf.rmask = 0x00FF0000;
1994 pf.gmask = 0x0000FF00;
1995 pf.bmask = 0x000000FF;
1996 pf.rmax = 255;
1997 pf.gmax = 255;
1998 pf.bmax = 255;
1999 pf.rshift = 16;
2000 pf.gshift = 8;
2001 pf.bshift = 0;
2002 pf.rbits = 8;
2003 pf.gbits = 8;
2004 pf.bbits = 8;
2005 break;
2006 case 32:
2007 pf.rmask = 0x00FF0000;
2008 pf.gmask = 0x0000FF00;
2009 pf.bmask = 0x000000FF;
2010 pf.rmax = 255;
2011 pf.gmax = 255;
2012 pf.bmax = 255;
2013 pf.rshift = 16;
2014 pf.gshift = 8;
2015 pf.bshift = 0;
2016 pf.rbits = 8;
2017 pf.gbits = 8;
2018 pf.bbits = 8;
2019 break;
2020 default:
2021 break;
2022 }
2023 return pf;
2024 }
2025
2026 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
2027 Error **errp)
2028 {
2029 int val;
2030
2031 backend->vc = g_new0(ChardevVC, 1);
2032
2033 val = qemu_opt_get_number(opts, "width", 0);
2034 if (val != 0) {
2035 backend->vc->has_width = true;
2036 backend->vc->width = val;
2037 }
2038
2039 val = qemu_opt_get_number(opts, "height", 0);
2040 if (val != 0) {
2041 backend->vc->has_height = true;
2042 backend->vc->height = val;
2043 }
2044
2045 val = qemu_opt_get_number(opts, "cols", 0);
2046 if (val != 0) {
2047 backend->vc->has_cols = true;
2048 backend->vc->cols = val;
2049 }
2050
2051 val = qemu_opt_get_number(opts, "rows", 0);
2052 if (val != 0) {
2053 backend->vc->has_rows = true;
2054 backend->vc->rows = val;
2055 }
2056 }
2057
2058 static const TypeInfo qemu_console_info = {
2059 .name = TYPE_QEMU_CONSOLE,
2060 .parent = TYPE_OBJECT,
2061 .instance_size = sizeof(QemuConsole),
2062 .class_size = sizeof(QemuConsoleClass),
2063 };
2064
2065
2066 static void register_types(void)
2067 {
2068 type_register_static(&qemu_console_info);
2069 register_char_driver_qapi("vc", CHARDEV_BACKEND_KIND_VC,
2070 qemu_chr_parse_vc);
2071 }
2072
2073 type_init(register_types);
AR7 emulation for QEMU