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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 "qemu/timer.h"
27 #include "qmp-commands.h"
28 #include "sysemu/char.h"
29
30 //#define DEBUG_CONSOLE
31 #define DEFAULT_BACKSCROLL 512
32 #define MAX_CONSOLES 12
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 int index;
117 console_type_t console_type;
118 DisplayState *ds;
119 DisplaySurface *surface;
120
121 /* Graphic console state. */
122 graphic_hw_update_ptr hw_update;
123 graphic_hw_invalidate_ptr hw_invalidate;
124 graphic_hw_text_update_ptr hw_text_update;
125 void *hw;
126 int g_width, g_height;
127
128 /* Text console state */
129 int width;
130 int height;
131 int total_height;
132 int backscroll_height;
133 int x, y;
134 int x_saved, y_saved;
135 int y_displayed;
136 int y_base;
137 TextAttributes t_attrib_default; /* default text attributes */
138 TextAttributes t_attrib; /* currently active text attributes */
139 TextCell *cells;
140 int text_x[2], text_y[2], cursor_invalidate;
141 int echo;
142 bool cursor_visible_phase;
143 QEMUTimer *cursor_timer;
144
145 int update_x0;
146 int update_y0;
147 int update_x1;
148 int update_y1;
149
150 enum TTYState state;
151 int esc_params[MAX_ESC_PARAMS];
152 int nb_esc_params;
153
154 CharDriverState *chr;
155 /* fifo for key pressed */
156 QEMUFIFO out_fifo;
157 uint8_t out_fifo_buf[16];
158 QEMUTimer *kbd_timer;
159 };
160
161 static DisplayState *display_state;
162 static QemuConsole *active_console;
163 static QemuConsole *consoles[MAX_CONSOLES];
164 static int nb_consoles = 0;
165
166 static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
167 static void dpy_gfx_switch_surface(DisplayState *ds,
168 DisplaySurface *surface);
169
170 void graphic_hw_update(QemuConsole *con)
171 {
172 if (!con) {
173 con = active_console;
174 }
175 if (con && con->hw_update) {
176 con->hw_update(con->hw);
177 }
178 }
179
180 void graphic_hw_invalidate(QemuConsole *con)
181 {
182 if (!con) {
183 con = active_console;
184 }
185 if (con && con->hw_invalidate) {
186 con->hw_invalidate(con->hw);
187 }
188 }
189
190 static void ppm_save(const char *filename, struct DisplaySurface *ds,
191 Error **errp)
192 {
193 int width = pixman_image_get_width(ds->image);
194 int height = pixman_image_get_height(ds->image);
195 FILE *f;
196 int y;
197 int ret;
198 pixman_image_t *linebuf;
199
200 trace_ppm_save(filename, ds);
201 f = fopen(filename, "wb");
202 if (!f) {
203 error_setg(errp, "failed to open file '%s': %s", filename,
204 strerror(errno));
205 return;
206 }
207 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
208 if (ret < 0) {
209 linebuf = NULL;
210 goto write_err;
211 }
212 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
213 for (y = 0; y < height; y++) {
214 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
215 clearerr(f);
216 ret = fwrite(pixman_image_get_data(linebuf), 1,
217 pixman_image_get_stride(linebuf), f);
218 (void)ret;
219 if (ferror(f)) {
220 goto write_err;
221 }
222 }
223
224 out:
225 qemu_pixman_image_unref(linebuf);
226 fclose(f);
227 return;
228
229 write_err:
230 error_setg(errp, "failed to write to file '%s': %s", filename,
231 strerror(errno));
232 unlink(filename);
233 goto out;
234 }
235
236 void qmp_screendump(const char *filename, Error **errp)
237 {
238 QemuConsole *con = consoles[0];
239 DisplaySurface *surface;
240
241 if (con == NULL) {
242 error_setg(errp, "There is no QemuConsole I can screendump from.");
243 return;
244 }
245
246 graphic_hw_update(con);
247 surface = qemu_console_surface(con);
248 ppm_save(filename, surface, errp);
249 }
250
251 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
252 {
253 if (!con) {
254 con = active_console;
255 }
256 if (con && con->hw_text_update)
257 con->hw_text_update(con->hw, chardata);
258 }
259
260 static void vga_fill_rect(QemuConsole *con,
261 int posx, int posy, int width, int height,
262 pixman_color_t color)
263 {
264 DisplaySurface *surface = qemu_console_surface(con);
265 pixman_rectangle16_t rect = {
266 .x = posx, .y = posy, .width = width, .height = height
267 };
268
269 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
270 &color, 1, &rect);
271 }
272
273 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
274 static void vga_bitblt(QemuConsole *con,
275 int xs, int ys, int xd, int yd, int w, int h)
276 {
277 DisplaySurface *surface = qemu_console_surface(con);
278
279 pixman_image_composite(PIXMAN_OP_SRC,
280 surface->image, NULL, surface->image,
281 xs, ys, 0, 0, xd, yd, w, h);
282 }
283
284 /***********************************************************/
285 /* basic char display */
286
287 #define FONT_HEIGHT 16
288 #define FONT_WIDTH 8
289
290 #include "vgafont.h"
291
292 #ifndef CONFIG_CURSES
293 enum color_names {
294 COLOR_BLACK = 0,
295 COLOR_RED = 1,
296 COLOR_GREEN = 2,
297 COLOR_YELLOW = 3,
298 COLOR_BLUE = 4,
299 COLOR_MAGENTA = 5,
300 COLOR_CYAN = 6,
301 COLOR_WHITE = 7
302 };
303 #endif
304
305 #define QEMU_RGB(r, g, b) \
306 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
307
308 static const pixman_color_t color_table_rgb[2][8] = {
309 { /* dark */
310 QEMU_RGB(0x00, 0x00, 0x00), /* black */
311 QEMU_RGB(0xaa, 0x00, 0x00), /* red */
312 QEMU_RGB(0x00, 0xaa, 0x00), /* green */
313 QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
314 QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
315 QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
316 QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
317 QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
318 },
319 { /* bright */
320 QEMU_RGB(0x00, 0x00, 0x00), /* black */
321 QEMU_RGB(0xff, 0x00, 0x00), /* red */
322 QEMU_RGB(0x00, 0xff, 0x00), /* green */
323 QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
324 QEMU_RGB(0x00, 0x00, 0xff), /* blue */
325 QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
326 QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
327 QEMU_RGB(0xff, 0xff, 0xff), /* white */
328 }
329 };
330
331 #ifdef DEBUG_CONSOLE
332 static void console_print_text_attributes(TextAttributes *t_attrib, char ch)
333 {
334 if (t_attrib->bold) {
335 printf("b");
336 } else {
337 printf(" ");
338 }
339 if (t_attrib->uline) {
340 printf("u");
341 } else {
342 printf(" ");
343 }
344 if (t_attrib->blink) {
345 printf("l");
346 } else {
347 printf(" ");
348 }
349 if (t_attrib->invers) {
350 printf("i");
351 } else {
352 printf(" ");
353 }
354 if (t_attrib->unvisible) {
355 printf("n");
356 } else {
357 printf(" ");
358 }
359
360 printf(" fg: %d bg: %d ch:'%2X' '%c'\n", t_attrib->fgcol, t_attrib->bgcol, ch, ch);
361 }
362 #endif
363
364 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
365 TextAttributes *t_attrib)
366 {
367 static pixman_image_t *glyphs[256];
368 DisplaySurface *surface = qemu_console_surface(s);
369 pixman_color_t fgcol, bgcol;
370
371 if (t_attrib->invers) {
372 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
373 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
374 } else {
375 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
376 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
377 }
378
379 if (!glyphs[ch]) {
380 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
381 }
382 qemu_pixman_glyph_render(glyphs[ch], surface->image,
383 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
384 }
385
386 static void text_console_resize(QemuConsole *s)
387 {
388 TextCell *cells, *c, *c1;
389 int w1, x, y, last_width;
390
391 last_width = s->width;
392 s->width = s->g_width / FONT_WIDTH;
393 s->height = s->g_height / FONT_HEIGHT;
394
395 w1 = last_width;
396 if (s->width < w1)
397 w1 = s->width;
398
399 cells = g_malloc(s->width * s->total_height * sizeof(TextCell));
400 for(y = 0; y < s->total_height; y++) {
401 c = &cells[y * s->width];
402 if (w1 > 0) {
403 c1 = &s->cells[y * last_width];
404 for(x = 0; x < w1; x++) {
405 *c++ = *c1++;
406 }
407 }
408 for(x = w1; x < s->width; x++) {
409 c->ch = ' ';
410 c->t_attrib = s->t_attrib_default;
411 c++;
412 }
413 }
414 g_free(s->cells);
415 s->cells = cells;
416 }
417
418 static inline void text_update_xy(QemuConsole *s, int x, int y)
419 {
420 s->text_x[0] = MIN(s->text_x[0], x);
421 s->text_x[1] = MAX(s->text_x[1], x);
422 s->text_y[0] = MIN(s->text_y[0], y);
423 s->text_y[1] = MAX(s->text_y[1], y);
424 }
425
426 static void invalidate_xy(QemuConsole *s, int x, int y)
427 {
428 if (s->update_x0 > x * FONT_WIDTH)
429 s->update_x0 = x * FONT_WIDTH;
430 if (s->update_y0 > y * FONT_HEIGHT)
431 s->update_y0 = y * FONT_HEIGHT;
432 if (s->update_x1 < (x + 1) * FONT_WIDTH)
433 s->update_x1 = (x + 1) * FONT_WIDTH;
434 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
435 s->update_y1 = (y + 1) * FONT_HEIGHT;
436 }
437
438 static void update_xy(QemuConsole *s, int x, int y)
439 {
440 TextCell *c;
441 int y1, y2;
442
443 if (s != active_console) {
444 return;
445 }
446
447 if (s->ds->have_text) {
448 text_update_xy(s, x, y);
449 }
450
451 if (s->ds->have_gfx) {
452 y1 = (s->y_base + y) % s->total_height;
453 y2 = y1 - s->y_displayed;
454 if (y2 < 0)
455 y2 += s->total_height;
456 if (y2 < s->height) {
457 c = &s->cells[y1 * s->width + x];
458 vga_putcharxy(s, x, y2, c->ch,
459 &(c->t_attrib));
460 invalidate_xy(s, x, y2);
461 }
462 }
463 }
464
465 static void console_show_cursor(QemuConsole *s, int show)
466 {
467 TextCell *c;
468 int y, y1;
469 int x = s->x;
470
471 if (s != active_console) {
472 return;
473 }
474
475 if (s->ds->have_text) {
476 s->cursor_invalidate = 1;
477 }
478
479 if (s->ds->have_gfx) {
480 if (x >= s->width) {
481 x = s->width - 1;
482 }
483 y1 = (s->y_base + s->y) % s->total_height;
484 y = y1 - s->y_displayed;
485 if (y < 0)
486 y += s->total_height;
487 if (y < s->height) {
488 c = &s->cells[y1 * s->width + x];
489 if (show && s->cursor_visible_phase) {
490 TextAttributes t_attrib = s->t_attrib_default;
491 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
492 vga_putcharxy(s, x, y, c->ch, &t_attrib);
493 } else {
494 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
495 }
496 invalidate_xy(s, x, y);
497 }
498 }
499 }
500
501 static void console_refresh(QemuConsole *s)
502 {
503 DisplaySurface *surface = qemu_console_surface(s);
504 TextCell *c;
505 int x, y, y1;
506
507 if (s != active_console)
508 return;
509
510 if (s->ds->have_text) {
511 s->text_x[0] = 0;
512 s->text_y[0] = 0;
513 s->text_x[1] = s->width - 1;
514 s->text_y[1] = s->height - 1;
515 s->cursor_invalidate = 1;
516 }
517
518 if (s->ds->have_gfx) {
519 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
520 color_table_rgb[0][COLOR_BLACK]);
521 y1 = s->y_displayed;
522 for (y = 0; y < s->height; y++) {
523 c = s->cells + y1 * s->width;
524 for (x = 0; x < s->width; x++) {
525 vga_putcharxy(s, x, y, c->ch,
526 &(c->t_attrib));
527 c++;
528 }
529 if (++y1 == s->total_height) {
530 y1 = 0;
531 }
532 }
533 console_show_cursor(s, 1);
534 dpy_gfx_update(s, 0, 0,
535 surface_width(surface), surface_height(surface));
536 }
537 }
538
539 static void console_scroll(int ydelta)
540 {
541 QemuConsole *s;
542 int i, y1;
543
544 s = active_console;
545 if (!s || (s->console_type == GRAPHIC_CONSOLE))
546 return;
547
548 if (ydelta > 0) {
549 for(i = 0; i < ydelta; i++) {
550 if (s->y_displayed == s->y_base)
551 break;
552 if (++s->y_displayed == s->total_height)
553 s->y_displayed = 0;
554 }
555 } else {
556 ydelta = -ydelta;
557 i = s->backscroll_height;
558 if (i > s->total_height - s->height)
559 i = s->total_height - s->height;
560 y1 = s->y_base - i;
561 if (y1 < 0)
562 y1 += s->total_height;
563 for(i = 0; i < ydelta; i++) {
564 if (s->y_displayed == y1)
565 break;
566 if (--s->y_displayed < 0)
567 s->y_displayed = s->total_height - 1;
568 }
569 }
570 console_refresh(s);
571 }
572
573 static void console_put_lf(QemuConsole *s)
574 {
575 TextCell *c;
576 int x, y1;
577
578 s->y++;
579 if (s->y >= s->height) {
580 s->y = s->height - 1;
581
582 if (s->y_displayed == s->y_base) {
583 if (++s->y_displayed == s->total_height)
584 s->y_displayed = 0;
585 }
586 if (++s->y_base == s->total_height)
587 s->y_base = 0;
588 if (s->backscroll_height < s->total_height)
589 s->backscroll_height++;
590 y1 = (s->y_base + s->height - 1) % s->total_height;
591 c = &s->cells[y1 * s->width];
592 for(x = 0; x < s->width; x++) {
593 c->ch = ' ';
594 c->t_attrib = s->t_attrib_default;
595 c++;
596 }
597 if (s == active_console && s->y_displayed == s->y_base) {
598 if (s->ds->have_text) {
599 s->text_x[0] = 0;
600 s->text_y[0] = 0;
601 s->text_x[1] = s->width - 1;
602 s->text_y[1] = s->height - 1;
603 }
604
605 if (s->ds->have_gfx) {
606 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
607 s->width * FONT_WIDTH,
608 (s->height - 1) * FONT_HEIGHT);
609 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
610 s->width * FONT_WIDTH, FONT_HEIGHT,
611 color_table_rgb[0][s->t_attrib_default.bgcol]);
612 s->update_x0 = 0;
613 s->update_y0 = 0;
614 s->update_x1 = s->width * FONT_WIDTH;
615 s->update_y1 = s->height * FONT_HEIGHT;
616 }
617 }
618 }
619 }
620
621 /* Set console attributes depending on the current escape codes.
622 * NOTE: I know this code is not very efficient (checking every color for it
623 * self) but it is more readable and better maintainable.
624 */
625 static void console_handle_escape(QemuConsole *s)
626 {
627 int i;
628
629 for (i=0; i<s->nb_esc_params; i++) {
630 switch (s->esc_params[i]) {
631 case 0: /* reset all console attributes to default */
632 s->t_attrib = s->t_attrib_default;
633 break;
634 case 1:
635 s->t_attrib.bold = 1;
636 break;
637 case 4:
638 s->t_attrib.uline = 1;
639 break;
640 case 5:
641 s->t_attrib.blink = 1;
642 break;
643 case 7:
644 s->t_attrib.invers = 1;
645 break;
646 case 8:
647 s->t_attrib.unvisible = 1;
648 break;
649 case 22:
650 s->t_attrib.bold = 0;
651 break;
652 case 24:
653 s->t_attrib.uline = 0;
654 break;
655 case 25:
656 s->t_attrib.blink = 0;
657 break;
658 case 27:
659 s->t_attrib.invers = 0;
660 break;
661 case 28:
662 s->t_attrib.unvisible = 0;
663 break;
664 /* set foreground color */
665 case 30:
666 s->t_attrib.fgcol=COLOR_BLACK;
667 break;
668 case 31:
669 s->t_attrib.fgcol=COLOR_RED;
670 break;
671 case 32:
672 s->t_attrib.fgcol=COLOR_GREEN;
673 break;
674 case 33:
675 s->t_attrib.fgcol=COLOR_YELLOW;
676 break;
677 case 34:
678 s->t_attrib.fgcol=COLOR_BLUE;
679 break;
680 case 35:
681 s->t_attrib.fgcol=COLOR_MAGENTA;
682 break;
683 case 36:
684 s->t_attrib.fgcol=COLOR_CYAN;
685 break;
686 case 37:
687 s->t_attrib.fgcol=COLOR_WHITE;
688 break;
689 /* set background color */
690 case 40:
691 s->t_attrib.bgcol=COLOR_BLACK;
692 break;
693 case 41:
694 s->t_attrib.bgcol=COLOR_RED;
695 break;
696 case 42:
697 s->t_attrib.bgcol=COLOR_GREEN;
698 break;
699 case 43:
700 s->t_attrib.bgcol=COLOR_YELLOW;
701 break;
702 case 44:
703 s->t_attrib.bgcol=COLOR_BLUE;
704 break;
705 case 45:
706 s->t_attrib.bgcol=COLOR_MAGENTA;
707 break;
708 case 46:
709 s->t_attrib.bgcol=COLOR_CYAN;
710 break;
711 case 47:
712 s->t_attrib.bgcol=COLOR_WHITE;
713 break;
714 }
715 }
716 }
717
718 static void console_clear_xy(QemuConsole *s, int x, int y)
719 {
720 int y1 = (s->y_base + y) % s->total_height;
721 TextCell *c = &s->cells[y1 * s->width + x];
722 c->ch = ' ';
723 c->t_attrib = s->t_attrib_default;
724 update_xy(s, x, y);
725 }
726
727 /* set cursor, checking bounds */
728 static void set_cursor(QemuConsole *s, int x, int y)
729 {
730 if (x < 0) {
731 x = 0;
732 }
733 if (y < 0) {
734 y = 0;
735 }
736 if (y >= s->height) {
737 y = s->height - 1;
738 }
739 if (x >= s->width) {
740 x = s->width - 1;
741 }
742
743 s->x = x;
744 s->y = y;
745 }
746
747 static void console_putchar(QemuConsole *s, int ch)
748 {
749 TextCell *c;
750 int y1, i;
751 int x, y;
752
753 switch(s->state) {
754 case TTY_STATE_NORM:
755 switch(ch) {
756 case '\r': /* carriage return */
757 s->x = 0;
758 break;
759 case '\n': /* newline */
760 console_put_lf(s);
761 break;
762 case '\b': /* backspace */
763 if (s->x > 0)
764 s->x--;
765 break;
766 case '\t': /* tabspace */
767 if (s->x + (8 - (s->x % 8)) > s->width) {
768 s->x = 0;
769 console_put_lf(s);
770 } else {
771 s->x = s->x + (8 - (s->x % 8));
772 }
773 break;
774 case '\a': /* alert aka. bell */
775 /* TODO: has to be implemented */
776 break;
777 case 14:
778 /* SI (shift in), character set 0 (ignored) */
779 break;
780 case 15:
781 /* SO (shift out), character set 1 (ignored) */
782 break;
783 case 27: /* esc (introducing an escape sequence) */
784 s->state = TTY_STATE_ESC;
785 break;
786 default:
787 if (s->x >= s->width) {
788 /* line wrap */
789 s->x = 0;
790 console_put_lf(s);
791 }
792 y1 = (s->y_base + s->y) % s->total_height;
793 c = &s->cells[y1 * s->width + s->x];
794 c->ch = ch;
795 c->t_attrib = s->t_attrib;
796 update_xy(s, s->x, s->y);
797 s->x++;
798 break;
799 }
800 break;
801 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
802 if (ch == '[') {
803 for(i=0;i<MAX_ESC_PARAMS;i++)
804 s->esc_params[i] = 0;
805 s->nb_esc_params = 0;
806 s->state = TTY_STATE_CSI;
807 } else {
808 s->state = TTY_STATE_NORM;
809 }
810 break;
811 case TTY_STATE_CSI: /* handle escape sequence parameters */
812 if (ch >= '0' && ch <= '9') {
813 if (s->nb_esc_params < MAX_ESC_PARAMS) {
814 int *param = &s->esc_params[s->nb_esc_params];
815 int digit = (ch - '0');
816
817 *param = (*param <= (INT_MAX - digit) / 10) ?
818 *param * 10 + digit : INT_MAX;
819 }
820 } else {
821 if (s->nb_esc_params < MAX_ESC_PARAMS)
822 s->nb_esc_params++;
823 if (ch == ';')
824 break;
825 #ifdef DEBUG_CONSOLE
826 fprintf(stderr, "escape sequence CSI%d;%d%c, %d parameters\n",
827 s->esc_params[0], s->esc_params[1], ch, s->nb_esc_params);
828 #endif
829 s->state = TTY_STATE_NORM;
830 switch(ch) {
831 case 'A':
832 /* move cursor up */
833 if (s->esc_params[0] == 0) {
834 s->esc_params[0] = 1;
835 }
836 set_cursor(s, s->x, s->y - s->esc_params[0]);
837 break;
838 case 'B':
839 /* move cursor down */
840 if (s->esc_params[0] == 0) {
841 s->esc_params[0] = 1;
842 }
843 set_cursor(s, s->x, s->y + s->esc_params[0]);
844 break;
845 case 'C':
846 /* move cursor right */
847 if (s->esc_params[0] == 0) {
848 s->esc_params[0] = 1;
849 }
850 set_cursor(s, s->x + s->esc_params[0], s->y);
851 break;
852 case 'D':
853 /* move cursor left */
854 if (s->esc_params[0] == 0) {
855 s->esc_params[0] = 1;
856 }
857 set_cursor(s, s->x - s->esc_params[0], s->y);
858 break;
859 case 'G':
860 /* move cursor to column */
861 set_cursor(s, s->esc_params[0] - 1, s->y);
862 break;
863 case 'f':
864 case 'H':
865 /* move cursor to row, column */
866 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
867 break;
868 case 'J':
869 switch (s->esc_params[0]) {
870 case 0:
871 /* clear to end of screen */
872 for (y = s->y; y < s->height; y++) {
873 for (x = 0; x < s->width; x++) {
874 if (y == s->y && x < s->x) {
875 continue;
876 }
877 console_clear_xy(s, x, y);
878 }
879 }
880 break;
881 case 1:
882 /* clear from beginning of screen */
883 for (y = 0; y <= s->y; y++) {
884 for (x = 0; x < s->width; x++) {
885 if (y == s->y && x > s->x) {
886 break;
887 }
888 console_clear_xy(s, x, y);
889 }
890 }
891 break;
892 case 2:
893 /* clear entire screen */
894 for (y = 0; y <= s->height; y++) {
895 for (x = 0; x < s->width; x++) {
896 console_clear_xy(s, x, y);
897 }
898 }
899 break;
900 }
901 break;
902 case 'K':
903 switch (s->esc_params[0]) {
904 case 0:
905 /* clear to eol */
906 for(x = s->x; x < s->width; x++) {
907 console_clear_xy(s, x, s->y);
908 }
909 break;
910 case 1:
911 /* clear from beginning of line */
912 for (x = 0; x <= s->x; x++) {
913 console_clear_xy(s, x, s->y);
914 }
915 break;
916 case 2:
917 /* clear entire line */
918 for(x = 0; x < s->width; x++) {
919 console_clear_xy(s, x, s->y);
920 }
921 break;
922 }
923 break;
924 case 'm':
925 console_handle_escape(s);
926 break;
927 case 'n':
928 /* report cursor position */
929 /* TODO: send ESC[row;colR */
930 break;
931 case 's':
932 /* save cursor position */
933 s->x_saved = s->x;
934 s->y_saved = s->y;
935 break;
936 case 'u':
937 /* restore cursor position */
938 s->x = s->x_saved;
939 s->y = s->y_saved;
940 break;
941 default:
942 #ifdef DEBUG_CONSOLE
943 fprintf(stderr, "unhandled escape character '%c'\n", ch);
944 #endif
945 break;
946 }
947 break;
948 }
949 }
950 }
951
952 void console_select(unsigned int index)
953 {
954 DisplaySurface *surface;
955 QemuConsole *s;
956
957 if (index >= MAX_CONSOLES)
958 return;
959
960 trace_console_select(index);
961 if (active_console) {
962 surface = qemu_console_surface(active_console);
963 active_console->g_width = surface_width(surface);
964 active_console->g_height = surface_height(surface);
965 }
966 s = consoles[index];
967 if (s) {
968 DisplayState *ds = s->ds;
969
970 if (active_console && active_console->cursor_timer) {
971 qemu_del_timer(active_console->cursor_timer);
972 }
973 active_console = s;
974 if (ds->have_gfx) {
975 dpy_gfx_switch_surface(ds, s->surface);
976 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
977 surface_height(s->surface));
978 }
979 if (ds->have_text) {
980 dpy_text_resize(s, s->width, s->height);
981 }
982 if (s->cursor_timer) {
983 qemu_mod_timer(s->cursor_timer,
984 qemu_get_clock_ms(rt_clock) + CONSOLE_CURSOR_PERIOD / 2);
985 }
986 }
987 }
988
989 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
990 {
991 QemuConsole *s = chr->opaque;
992 int i;
993
994 s->update_x0 = s->width * FONT_WIDTH;
995 s->update_y0 = s->height * FONT_HEIGHT;
996 s->update_x1 = 0;
997 s->update_y1 = 0;
998 console_show_cursor(s, 0);
999 for(i = 0; i < len; i++) {
1000 console_putchar(s, buf[i]);
1001 }
1002 console_show_cursor(s, 1);
1003 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1004 dpy_gfx_update(s, s->update_x0, s->update_y0,
1005 s->update_x1 - s->update_x0,
1006 s->update_y1 - s->update_y0);
1007 }
1008 return len;
1009 }
1010
1011 static void kbd_send_chars(void *opaque)
1012 {
1013 QemuConsole *s = opaque;
1014 int len;
1015 uint8_t buf[16];
1016
1017 len = qemu_chr_be_can_write(s->chr);
1018 if (len > s->out_fifo.count)
1019 len = s->out_fifo.count;
1020 if (len > 0) {
1021 if (len > sizeof(buf))
1022 len = sizeof(buf);
1023 qemu_fifo_read(&s->out_fifo, buf, len);
1024 qemu_chr_be_write(s->chr, buf, len);
1025 }
1026 /* characters are pending: we send them a bit later (XXX:
1027 horrible, should change char device API) */
1028 if (s->out_fifo.count > 0) {
1029 qemu_mod_timer(s->kbd_timer, qemu_get_clock_ms(rt_clock) + 1);
1030 }
1031 }
1032
1033 /* called when an ascii key is pressed */
1034 void kbd_put_keysym(int keysym)
1035 {
1036 QemuConsole *s;
1037 uint8_t buf[16], *q;
1038 int c;
1039
1040 s = active_console;
1041 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1042 return;
1043
1044 switch(keysym) {
1045 case QEMU_KEY_CTRL_UP:
1046 console_scroll(-1);
1047 break;
1048 case QEMU_KEY_CTRL_DOWN:
1049 console_scroll(1);
1050 break;
1051 case QEMU_KEY_CTRL_PAGEUP:
1052 console_scroll(-10);
1053 break;
1054 case QEMU_KEY_CTRL_PAGEDOWN:
1055 console_scroll(10);
1056 break;
1057 default:
1058 /* convert the QEMU keysym to VT100 key string */
1059 q = buf;
1060 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1061 *q++ = '\033';
1062 *q++ = '[';
1063 c = keysym - 0xe100;
1064 if (c >= 10)
1065 *q++ = '0' + (c / 10);
1066 *q++ = '0' + (c % 10);
1067 *q++ = '~';
1068 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1069 *q++ = '\033';
1070 *q++ = '[';
1071 *q++ = keysym & 0xff;
1072 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1073 console_puts(s->chr, (const uint8_t *) "\r", 1);
1074 *q++ = '\n';
1075 } else {
1076 *q++ = keysym;
1077 }
1078 if (s->echo) {
1079 console_puts(s->chr, buf, q - buf);
1080 }
1081 if (s->chr->chr_read) {
1082 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1083 kbd_send_chars(s);
1084 }
1085 break;
1086 }
1087 }
1088
1089 static void text_console_invalidate(void *opaque)
1090 {
1091 QemuConsole *s = (QemuConsole *) opaque;
1092 DisplaySurface *surface = qemu_console_surface(s);
1093
1094 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1095 s->g_width = surface_width(surface);
1096 s->g_height = surface_height(surface);
1097 text_console_resize(s);
1098 }
1099 console_refresh(s);
1100 }
1101
1102 static void text_console_update(void *opaque, console_ch_t *chardata)
1103 {
1104 QemuConsole *s = (QemuConsole *) opaque;
1105 int i, j, src;
1106
1107 if (s->text_x[0] <= s->text_x[1]) {
1108 src = (s->y_base + s->text_y[0]) * s->width;
1109 chardata += s->text_y[0] * s->width;
1110 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1111 for (j = 0; j < s->width; j ++, src ++)
1112 console_write_ch(chardata ++, s->cells[src].ch |
1113 (s->cells[src].t_attrib.fgcol << 12) |
1114 (s->cells[src].t_attrib.bgcol << 8) |
1115 (s->cells[src].t_attrib.bold << 21));
1116 dpy_text_update(s, s->text_x[0], s->text_y[0],
1117 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1118 s->text_x[0] = s->width;
1119 s->text_y[0] = s->height;
1120 s->text_x[1] = 0;
1121 s->text_y[1] = 0;
1122 }
1123 if (s->cursor_invalidate) {
1124 dpy_text_cursor(s, s->x, s->y);
1125 s->cursor_invalidate = 0;
1126 }
1127 }
1128
1129 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type)
1130 {
1131 QemuConsole *s;
1132 int i;
1133
1134 if (nb_consoles >= MAX_CONSOLES)
1135 return NULL;
1136 s = g_malloc0(sizeof(QemuConsole));
1137 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1138 (console_type == GRAPHIC_CONSOLE))) {
1139 active_console = s;
1140 }
1141 s->ds = ds;
1142 s->console_type = console_type;
1143 if (console_type != GRAPHIC_CONSOLE) {
1144 s->index = nb_consoles;
1145 consoles[nb_consoles++] = s;
1146 } else {
1147 /* HACK: Put graphical consoles before text consoles. */
1148 for (i = nb_consoles; i > 0; i--) {
1149 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1150 break;
1151 consoles[i] = consoles[i - 1];
1152 consoles[i]->index = i;
1153 }
1154 s->index = i;
1155 consoles[i] = s;
1156 nb_consoles++;
1157 }
1158 return s;
1159 }
1160
1161 static void qemu_alloc_display(DisplaySurface *surface, int width, int height,
1162 int linesize, PixelFormat pf, int newflags)
1163 {
1164 surface->pf = pf;
1165
1166 qemu_pixman_image_unref(surface->image);
1167 surface->image = NULL;
1168
1169 surface->format = qemu_pixman_get_format(&pf);
1170 assert(surface->format != 0);
1171 surface->image = pixman_image_create_bits(surface->format,
1172 width, height,
1173 NULL, linesize);
1174 assert(surface->image != NULL);
1175
1176 surface->flags = newflags | QEMU_ALLOCATED_FLAG;
1177 #ifdef HOST_WORDS_BIGENDIAN
1178 surface->flags |= QEMU_BIG_ENDIAN_FLAG;
1179 #endif
1180 }
1181
1182 DisplaySurface *qemu_create_displaysurface(int width, int height)
1183 {
1184 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1185 int linesize = width * 4;
1186
1187 trace_displaysurface_create(surface, width, height);
1188 qemu_alloc_display(surface, width, height, linesize,
1189 qemu_default_pixelformat(32), 0);
1190 return surface;
1191 }
1192
1193 DisplaySurface *qemu_create_displaysurface_from(int width, int height, int bpp,
1194 int linesize, uint8_t *data,
1195 bool byteswap)
1196 {
1197 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1198
1199 trace_displaysurface_create_from(surface, width, height, bpp, byteswap);
1200 if (byteswap) {
1201 surface->pf = qemu_different_endianness_pixelformat(bpp);
1202 } else {
1203 surface->pf = qemu_default_pixelformat(bpp);
1204 }
1205
1206 surface->format = qemu_pixman_get_format(&surface->pf);
1207 assert(surface->format != 0);
1208 surface->image = pixman_image_create_bits(surface->format,
1209 width, height,
1210 (void *)data, linesize);
1211 assert(surface->image != NULL);
1212
1213 #ifdef HOST_WORDS_BIGENDIAN
1214 surface->flags = QEMU_BIG_ENDIAN_FLAG;
1215 #endif
1216
1217 return surface;
1218 }
1219
1220 void qemu_free_displaysurface(DisplaySurface *surface)
1221 {
1222 if (surface == NULL) {
1223 return;
1224 }
1225 trace_displaysurface_free(surface);
1226 qemu_pixman_image_unref(surface->image);
1227 g_free(surface);
1228 }
1229
1230 void register_displaychangelistener(DisplayState *ds,
1231 DisplayChangeListener *dcl)
1232 {
1233 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1234 dcl->ds = ds;
1235 QLIST_INSERT_HEAD(&ds->listeners, dcl, next);
1236 gui_setup_refresh(ds);
1237 if (dcl->ops->dpy_gfx_switch && active_console) {
1238 dcl->ops->dpy_gfx_switch(dcl, active_console->surface);
1239 }
1240 }
1241
1242 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1243 {
1244 DisplayState *ds = dcl->ds;
1245 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1246 QLIST_REMOVE(dcl, next);
1247 gui_setup_refresh(ds);
1248 }
1249
1250 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1251 {
1252 DisplayState *s = con->ds;
1253 struct DisplayChangeListener *dcl;
1254 int width = surface_width(con->surface);
1255 int height = surface_height(con->surface);
1256
1257 x = MAX(x, 0);
1258 y = MAX(y, 0);
1259 x = MIN(x, width);
1260 y = MIN(y, height);
1261 w = MIN(w, width - x);
1262 h = MIN(h, height - y);
1263
1264 if (con != active_console) {
1265 return;
1266 }
1267 QLIST_FOREACH(dcl, &s->listeners, next) {
1268 if (dcl->ops->dpy_gfx_update) {
1269 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1270 }
1271 }
1272 }
1273
1274 static void dpy_gfx_switch_surface(DisplayState *ds,
1275 DisplaySurface *surface)
1276 {
1277 struct DisplayChangeListener *dcl;
1278
1279 QLIST_FOREACH(dcl, &ds->listeners, next) {
1280 if (dcl->ops->dpy_gfx_switch) {
1281 dcl->ops->dpy_gfx_switch(dcl, surface);
1282 }
1283 }
1284 }
1285
1286 void dpy_gfx_replace_surface(QemuConsole *con,
1287 DisplaySurface *surface)
1288 {
1289 DisplayState *s = con->ds;
1290 DisplaySurface *old_surface = con->surface;
1291
1292 con->surface = surface;
1293 if (con == active_console) {
1294 dpy_gfx_switch_surface(s, surface);
1295 }
1296 qemu_free_displaysurface(old_surface);
1297 }
1298
1299 void dpy_refresh(DisplayState *s)
1300 {
1301 struct DisplayChangeListener *dcl;
1302 QLIST_FOREACH(dcl, &s->listeners, next) {
1303 if (dcl->ops->dpy_refresh) {
1304 dcl->ops->dpy_refresh(dcl);
1305 }
1306 }
1307 }
1308
1309 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1310 int dst_x, int dst_y, int w, int h)
1311 {
1312 DisplayState *s = con->ds;
1313 struct DisplayChangeListener *dcl;
1314
1315 if (con != active_console) {
1316 return;
1317 }
1318 QLIST_FOREACH(dcl, &s->listeners, next) {
1319 if (dcl->ops->dpy_gfx_copy) {
1320 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1321 } else { /* TODO */
1322 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1323 }
1324 }
1325 }
1326
1327 void dpy_text_cursor(QemuConsole *con, int x, int y)
1328 {
1329 DisplayState *s = con->ds;
1330 struct DisplayChangeListener *dcl;
1331
1332 if (con != active_console) {
1333 return;
1334 }
1335 QLIST_FOREACH(dcl, &s->listeners, next) {
1336 if (dcl->ops->dpy_text_cursor) {
1337 dcl->ops->dpy_text_cursor(dcl, x, y);
1338 }
1339 }
1340 }
1341
1342 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1343 {
1344 DisplayState *s = con->ds;
1345 struct DisplayChangeListener *dcl;
1346
1347 if (con != active_console) {
1348 return;
1349 }
1350 QLIST_FOREACH(dcl, &s->listeners, next) {
1351 if (dcl->ops->dpy_text_update) {
1352 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1353 }
1354 }
1355 }
1356
1357 void dpy_text_resize(QemuConsole *con, int w, int h)
1358 {
1359 DisplayState *s = con->ds;
1360 struct DisplayChangeListener *dcl;
1361
1362 if (con != active_console) {
1363 return;
1364 }
1365 QLIST_FOREACH(dcl, &s->listeners, next) {
1366 if (dcl->ops->dpy_text_resize) {
1367 dcl->ops->dpy_text_resize(dcl, w, h);
1368 }
1369 }
1370 }
1371
1372 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1373 {
1374 DisplayState *s = con->ds;
1375 struct DisplayChangeListener *dcl;
1376
1377 if (con != active_console) {
1378 return;
1379 }
1380 QLIST_FOREACH(dcl, &s->listeners, next) {
1381 if (dcl->ops->dpy_mouse_set) {
1382 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1383 }
1384 }
1385 }
1386
1387 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1388 {
1389 DisplayState *s = con->ds;
1390 struct DisplayChangeListener *dcl;
1391
1392 if (con != active_console) {
1393 return;
1394 }
1395 QLIST_FOREACH(dcl, &s->listeners, next) {
1396 if (dcl->ops->dpy_cursor_define) {
1397 dcl->ops->dpy_cursor_define(dcl, cursor);
1398 }
1399 }
1400 }
1401
1402 bool dpy_cursor_define_supported(QemuConsole *con)
1403 {
1404 DisplayState *s = con->ds;
1405 struct DisplayChangeListener *dcl;
1406 QLIST_FOREACH(dcl, &s->listeners, next) {
1407 if (dcl->ops->dpy_cursor_define) {
1408 return true;
1409 }
1410 }
1411 return false;
1412 }
1413
1414 /***********************************************************/
1415 /* register display */
1416
1417 /* console.c internal use only */
1418 static DisplayState *get_alloc_displaystate(void)
1419 {
1420 if (!display_state) {
1421 display_state = g_new0(DisplayState, 1);
1422 }
1423 return display_state;
1424 }
1425
1426 /*
1427 * Called by main(), after creating QemuConsoles
1428 * and before initializing ui (sdl/vnc/...).
1429 */
1430 DisplayState *init_displaystate(void)
1431 {
1432 int i;
1433
1434 if (!display_state) {
1435 display_state = g_new0(DisplayState, 1);
1436 }
1437
1438 for (i = 0; i < nb_consoles; i++) {
1439 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1440 consoles[i]->ds == NULL) {
1441 text_console_do_init(consoles[i]->chr, display_state);
1442 }
1443 }
1444
1445 return display_state;
1446 }
1447
1448 QemuConsole *graphic_console_init(graphic_hw_update_ptr update,
1449 graphic_hw_invalidate_ptr invalidate,
1450 graphic_hw_text_update_ptr text_update,
1451 void *opaque)
1452 {
1453 int width = 640;
1454 int height = 480;
1455 QemuConsole *s;
1456 DisplayState *ds;
1457
1458 ds = get_alloc_displaystate();
1459 trace_console_gfx_new();
1460 s = new_console(ds, GRAPHIC_CONSOLE);
1461 s->hw_update = update;
1462 s->hw_invalidate = invalidate;
1463 s->hw_text_update = text_update;
1464 s->hw = opaque;
1465
1466 s->surface = qemu_create_displaysurface(width, height);
1467 return s;
1468 }
1469
1470 int is_graphic_console(void)
1471 {
1472 return active_console && active_console->console_type == GRAPHIC_CONSOLE;
1473 }
1474
1475 int is_fixedsize_console(void)
1476 {
1477 return active_console && active_console->console_type != TEXT_CONSOLE;
1478 }
1479
1480 static void text_console_set_echo(CharDriverState *chr, bool echo)
1481 {
1482 QemuConsole *s = chr->opaque;
1483
1484 s->echo = echo;
1485 }
1486
1487 static void text_console_update_cursor(void *opaque)
1488 {
1489 QemuConsole *s = opaque;
1490
1491 s->cursor_visible_phase = !s->cursor_visible_phase;
1492 graphic_hw_invalidate(s);
1493 qemu_mod_timer(s->cursor_timer,
1494 qemu_get_clock_ms(rt_clock) + CONSOLE_CURSOR_PERIOD / 2);
1495 }
1496
1497 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1498 {
1499 QemuConsole *s;
1500
1501 s = chr->opaque;
1502
1503 chr->chr_write = console_puts;
1504
1505 s->out_fifo.buf = s->out_fifo_buf;
1506 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1507 s->kbd_timer = qemu_new_timer_ms(rt_clock, kbd_send_chars, s);
1508 s->ds = ds;
1509
1510 s->y_displayed = 0;
1511 s->y_base = 0;
1512 s->total_height = DEFAULT_BACKSCROLL;
1513 s->x = 0;
1514 s->y = 0;
1515 if (s->console_type == TEXT_CONSOLE) {
1516 if (active_console && active_console->surface) {
1517 s->g_width = surface_width(active_console->surface);
1518 s->g_height = surface_height(active_console->surface);
1519 } else {
1520 s->g_width = 80 * FONT_WIDTH;
1521 s->g_height = 24 * FONT_HEIGHT;
1522 }
1523 }
1524 s->surface = qemu_create_displaysurface(s->g_width, s->g_height);
1525
1526 s->cursor_timer =
1527 qemu_new_timer_ms(rt_clock, text_console_update_cursor, s);
1528
1529 s->hw_invalidate = text_console_invalidate;
1530 s->hw_text_update = text_console_update;
1531 s->hw = s;
1532
1533 /* Set text attribute defaults */
1534 s->t_attrib_default.bold = 0;
1535 s->t_attrib_default.uline = 0;
1536 s->t_attrib_default.blink = 0;
1537 s->t_attrib_default.invers = 0;
1538 s->t_attrib_default.unvisible = 0;
1539 s->t_attrib_default.fgcol = COLOR_WHITE;
1540 s->t_attrib_default.bgcol = COLOR_BLACK;
1541 /* set current text attributes to default */
1542 s->t_attrib = s->t_attrib_default;
1543 text_console_resize(s);
1544
1545 if (chr->label) {
1546 char msg[128];
1547 int len;
1548
1549 s->t_attrib.bgcol = COLOR_BLUE;
1550 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1551 console_puts(chr, (uint8_t*)msg, len);
1552 s->t_attrib = s->t_attrib_default;
1553 }
1554
1555 qemu_chr_be_generic_open(chr);
1556 if (chr->init)
1557 chr->init(chr);
1558 }
1559
1560 static CharDriverState *text_console_init(ChardevVC *vc)
1561 {
1562 CharDriverState *chr;
1563 QemuConsole *s;
1564 unsigned width = 0;
1565 unsigned height = 0;
1566
1567 chr = g_malloc0(sizeof(CharDriverState));
1568
1569 if (vc->has_width) {
1570 width = vc->width;
1571 } else if (vc->has_cols) {
1572 width = vc->cols * FONT_WIDTH;
1573 }
1574
1575 if (vc->has_height) {
1576 height = vc->height;
1577 } else if (vc->has_rows) {
1578 height = vc->rows * FONT_HEIGHT;
1579 }
1580
1581 trace_console_txt_new(width, height);
1582 if (width == 0 || height == 0) {
1583 s = new_console(NULL, TEXT_CONSOLE);
1584 } else {
1585 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE);
1586 }
1587
1588 if (!s) {
1589 g_free(chr);
1590 return NULL;
1591 }
1592
1593 s->chr = chr;
1594 s->g_width = width;
1595 s->g_height = height;
1596 chr->opaque = s;
1597 chr->chr_set_echo = text_console_set_echo;
1598
1599 if (display_state) {
1600 text_console_do_init(chr, display_state);
1601 }
1602 return chr;
1603 }
1604
1605 static VcHandler *vc_handler = text_console_init;
1606
1607 CharDriverState *vc_init(ChardevVC *vc)
1608 {
1609 return vc_handler(vc);
1610 }
1611
1612 void register_vc_handler(VcHandler *handler)
1613 {
1614 vc_handler = handler;
1615 }
1616
1617 void qemu_console_resize(QemuConsole *s, int width, int height)
1618 {
1619 DisplaySurface *surface;
1620
1621 assert(s->console_type == GRAPHIC_CONSOLE);
1622 s->g_width = width;
1623 s->g_height = height;
1624 surface = qemu_create_displaysurface(width, height);
1625 dpy_gfx_replace_surface(s, surface);
1626 }
1627
1628 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
1629 int dst_x, int dst_y, int w, int h)
1630 {
1631 assert(con->console_type == GRAPHIC_CONSOLE);
1632 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
1633 }
1634
1635 DisplaySurface *qemu_console_surface(QemuConsole *console)
1636 {
1637 return console->surface;
1638 }
1639
1640 DisplayState *qemu_console_displaystate(QemuConsole *console)
1641 {
1642 return console->ds;
1643 }
1644
1645 PixelFormat qemu_different_endianness_pixelformat(int bpp)
1646 {
1647 PixelFormat pf;
1648
1649 memset(&pf, 0x00, sizeof(PixelFormat));
1650
1651 pf.bits_per_pixel = bpp;
1652 pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1653 pf.depth = bpp == 32 ? 24 : bpp;
1654
1655 switch (bpp) {
1656 case 24:
1657 pf.rmask = 0x000000FF;
1658 pf.gmask = 0x0000FF00;
1659 pf.bmask = 0x00FF0000;
1660 pf.rmax = 255;
1661 pf.gmax = 255;
1662 pf.bmax = 255;
1663 pf.rshift = 0;
1664 pf.gshift = 8;
1665 pf.bshift = 16;
1666 pf.rbits = 8;
1667 pf.gbits = 8;
1668 pf.bbits = 8;
1669 break;
1670 case 32:
1671 pf.rmask = 0x0000FF00;
1672 pf.gmask = 0x00FF0000;
1673 pf.bmask = 0xFF000000;
1674 pf.amask = 0x00000000;
1675 pf.amax = 255;
1676 pf.rmax = 255;
1677 pf.gmax = 255;
1678 pf.bmax = 255;
1679 pf.ashift = 0;
1680 pf.rshift = 8;
1681 pf.gshift = 16;
1682 pf.bshift = 24;
1683 pf.rbits = 8;
1684 pf.gbits = 8;
1685 pf.bbits = 8;
1686 pf.abits = 8;
1687 break;
1688 default:
1689 break;
1690 }
1691 return pf;
1692 }
1693
1694 PixelFormat qemu_default_pixelformat(int bpp)
1695 {
1696 PixelFormat pf;
1697
1698 memset(&pf, 0x00, sizeof(PixelFormat));
1699
1700 pf.bits_per_pixel = bpp;
1701 pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1702 pf.depth = bpp == 32 ? 24 : bpp;
1703
1704 switch (bpp) {
1705 case 15:
1706 pf.bits_per_pixel = 16;
1707 pf.rmask = 0x00007c00;
1708 pf.gmask = 0x000003E0;
1709 pf.bmask = 0x0000001F;
1710 pf.rmax = 31;
1711 pf.gmax = 31;
1712 pf.bmax = 31;
1713 pf.rshift = 10;
1714 pf.gshift = 5;
1715 pf.bshift = 0;
1716 pf.rbits = 5;
1717 pf.gbits = 5;
1718 pf.bbits = 5;
1719 break;
1720 case 16:
1721 pf.rmask = 0x0000F800;
1722 pf.gmask = 0x000007E0;
1723 pf.bmask = 0x0000001F;
1724 pf.rmax = 31;
1725 pf.gmax = 63;
1726 pf.bmax = 31;
1727 pf.rshift = 11;
1728 pf.gshift = 5;
1729 pf.bshift = 0;
1730 pf.rbits = 5;
1731 pf.gbits = 6;
1732 pf.bbits = 5;
1733 break;
1734 case 24:
1735 pf.rmask = 0x00FF0000;
1736 pf.gmask = 0x0000FF00;
1737 pf.bmask = 0x000000FF;
1738 pf.rmax = 255;
1739 pf.gmax = 255;
1740 pf.bmax = 255;
1741 pf.rshift = 16;
1742 pf.gshift = 8;
1743 pf.bshift = 0;
1744 pf.rbits = 8;
1745 pf.gbits = 8;
1746 pf.bbits = 8;
1747 break;
1748 case 32:
1749 pf.rmask = 0x00FF0000;
1750 pf.gmask = 0x0000FF00;
1751 pf.bmask = 0x000000FF;
1752 pf.rmax = 255;
1753 pf.gmax = 255;
1754 pf.bmax = 255;
1755 pf.rshift = 16;
1756 pf.gshift = 8;
1757 pf.bshift = 0;
1758 pf.rbits = 8;
1759 pf.gbits = 8;
1760 pf.bbits = 8;
1761 break;
1762 default:
1763 break;
1764 }
1765 return pf;
1766 }
1767
1768 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
1769 Error **errp)
1770 {
1771 int val;
1772
1773 backend->vc = g_new0(ChardevVC, 1);
1774
1775 val = qemu_opt_get_number(opts, "width", 0);
1776 if (val != 0) {
1777 backend->vc->has_width = true;
1778 backend->vc->width = val;
1779 }
1780
1781 val = qemu_opt_get_number(opts, "height", 0);
1782 if (val != 0) {
1783 backend->vc->has_height = true;
1784 backend->vc->height = val;
1785 }
1786
1787 val = qemu_opt_get_number(opts, "cols", 0);
1788 if (val != 0) {
1789 backend->vc->has_cols = true;
1790 backend->vc->cols = val;
1791 }
1792
1793 val = qemu_opt_get_number(opts, "rows", 0);
1794 if (val != 0) {
1795 backend->vc->has_rows = true;
1796 backend->vc->rows = val;
1797 }
1798 }
1799
1800 static void register_types(void)
1801 {
1802 register_char_driver_qapi("vc", CHARDEV_BACKEND_KIND_VC,
1803 qemu_chr_parse_vc);
1804 }
1805
1806 type_init(register_types);
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