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virtio-console: Keep chardev open for other users after hot-unplug
[qemu.git] / console.c
blob57d6eb506c10308d5709d0f5ecae3455b79ca40f
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 "console.h"
26 #include "qemu-timer.h"
27
28 //#define DEBUG_CONSOLE
29 #define DEFAULT_BACKSCROLL 512
30 #define MAX_CONSOLES 12
31
32 #define QEMU_RGBA(r, g, b, a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
33 #define QEMU_RGB(r, g, b) QEMU_RGBA(r, g, b, 0xff)
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 /* ??? This is mis-named.
116 It is used for both text and graphical consoles. */
117 struct TextConsole {
118 console_type_t console_type;
119 DisplayState *ds;
120 /* Graphic console state. */
121 vga_hw_update_ptr hw_update;
122 vga_hw_invalidate_ptr hw_invalidate;
123 vga_hw_screen_dump_ptr hw_screen_dump;
124 vga_hw_text_update_ptr hw_text_update;
125 void *hw;
126
127 int g_width, g_height;
128 int width;
129 int height;
130 int total_height;
131 int backscroll_height;
132 int x, y;
133 int x_saved, y_saved;
134 int y_displayed;
135 int y_base;
136 TextAttributes t_attrib_default; /* default text attributes */
137 TextAttributes t_attrib; /* currently active text attributes */
138 TextCell *cells;
139 int text_x[2], text_y[2], cursor_invalidate;
140 int echo;
141
142 int update_x0;
143 int update_y0;
144 int update_x1;
145 int update_y1;
146
147 enum TTYState state;
148 int esc_params[MAX_ESC_PARAMS];
149 int nb_esc_params;
150
151 CharDriverState *chr;
152 /* fifo for key pressed */
153 QEMUFIFO out_fifo;
154 uint8_t out_fifo_buf[16];
155 QEMUTimer *kbd_timer;
156 };
157
158 static DisplayState *display_state;
159 static TextConsole *active_console;
160 static TextConsole *consoles[MAX_CONSOLES];
161 static int nb_consoles = 0;
162
163 void vga_hw_update(void)
164 {
165 if (active_console && active_console->hw_update)
166 active_console->hw_update(active_console->hw);
167 }
168
169 void vga_hw_invalidate(void)
170 {
171 if (active_console && active_console->hw_invalidate)
172 active_console->hw_invalidate(active_console->hw);
173 }
174
175 void vga_hw_screen_dump(const char *filename)
176 {
177 TextConsole *previous_active_console;
178
179 previous_active_console = active_console;
180 active_console = consoles[0];
181 /* There is currently no way of specifying which screen we want to dump,
182 so always dump the first one. */
183 if (consoles[0]->hw_screen_dump)
184 consoles[0]->hw_screen_dump(consoles[0]->hw, filename);
185 active_console = previous_active_console;
186 }
187
188 void vga_hw_text_update(console_ch_t *chardata)
189 {
190 if (active_console && active_console->hw_text_update)
191 active_console->hw_text_update(active_console->hw, chardata);
192 }
193
194 /* convert a RGBA color to a color index usable in graphic primitives */
195 static unsigned int vga_get_color(DisplayState *ds, unsigned int rgba)
196 {
197 unsigned int r, g, b, color;
198
199 switch(ds_get_bits_per_pixel(ds)) {
200 #if 0
201 case 8:
202 r = (rgba >> 16) & 0xff;
203 g = (rgba >> 8) & 0xff;
204 b = (rgba) & 0xff;
205 color = (rgb_to_index[r] * 6 * 6) +
206 (rgb_to_index[g] * 6) +
207 (rgb_to_index[b]);
208 break;
209 #endif
210 case 15:
211 r = (rgba >> 16) & 0xff;
212 g = (rgba >> 8) & 0xff;
213 b = (rgba) & 0xff;
214 color = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);
215 break;
216 case 16:
217 r = (rgba >> 16) & 0xff;
218 g = (rgba >> 8) & 0xff;
219 b = (rgba) & 0xff;
220 color = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
221 break;
222 case 32:
223 default:
224 color = rgba;
225 break;
226 }
227 return color;
228 }
229
230 static void vga_fill_rect (DisplayState *ds,
231 int posx, int posy, int width, int height, uint32_t color)
232 {
233 uint8_t *d, *d1;
234 int x, y, bpp;
235
236 bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
237 d1 = ds_get_data(ds) +
238 ds_get_linesize(ds) * posy + bpp * posx;
239 for (y = 0; y < height; y++) {
240 d = d1;
241 switch(bpp) {
242 case 1:
243 for (x = 0; x < width; x++) {
244 *((uint8_t *)d) = color;
245 d++;
246 }
247 break;
248 case 2:
249 for (x = 0; x < width; x++) {
250 *((uint16_t *)d) = color;
251 d += 2;
252 }
253 break;
254 case 4:
255 for (x = 0; x < width; x++) {
256 *((uint32_t *)d) = color;
257 d += 4;
258 }
259 break;
260 }
261 d1 += ds_get_linesize(ds);
262 }
263 }
264
265 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
266 static void vga_bitblt(DisplayState *ds, int xs, int ys, int xd, int yd, int w, int h)
267 {
268 const uint8_t *s;
269 uint8_t *d;
270 int wb, y, bpp;
271
272 bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
273 wb = w * bpp;
274 if (yd <= ys) {
275 s = ds_get_data(ds) +
276 ds_get_linesize(ds) * ys + bpp * xs;
277 d = ds_get_data(ds) +
278 ds_get_linesize(ds) * yd + bpp * xd;
279 for (y = 0; y < h; y++) {
280 memmove(d, s, wb);
281 d += ds_get_linesize(ds);
282 s += ds_get_linesize(ds);
283 }
284 } else {
285 s = ds_get_data(ds) +
286 ds_get_linesize(ds) * (ys + h - 1) + bpp * xs;
287 d = ds_get_data(ds) +
288 ds_get_linesize(ds) * (yd + h - 1) + bpp * xd;
289 for (y = 0; y < h; y++) {
290 memmove(d, s, wb);
291 d -= ds_get_linesize(ds);
292 s -= ds_get_linesize(ds);
293 }
294 }
295 }
296
297 /***********************************************************/
298 /* basic char display */
299
300 #define FONT_HEIGHT 16
301 #define FONT_WIDTH 8
302
303 #include "vgafont.h"
304
305 #define cbswap_32(__x) \
306 ((uint32_t)( \
307 (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
308 (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
309 (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
310 (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) ))
311
312 #ifdef HOST_WORDS_BIGENDIAN
313 #define PAT(x) x
314 #else
315 #define PAT(x) cbswap_32(x)
316 #endif
317
318 static const uint32_t dmask16[16] = {
319 PAT(0x00000000),
320 PAT(0x000000ff),
321 PAT(0x0000ff00),
322 PAT(0x0000ffff),
323 PAT(0x00ff0000),
324 PAT(0x00ff00ff),
325 PAT(0x00ffff00),
326 PAT(0x00ffffff),
327 PAT(0xff000000),
328 PAT(0xff0000ff),
329 PAT(0xff00ff00),
330 PAT(0xff00ffff),
331 PAT(0xffff0000),
332 PAT(0xffff00ff),
333 PAT(0xffffff00),
334 PAT(0xffffffff),
335 };
336
337 static const uint32_t dmask4[4] = {
338 PAT(0x00000000),
339 PAT(0x0000ffff),
340 PAT(0xffff0000),
341 PAT(0xffffffff),
342 };
343
344 static uint32_t color_table[2][8];
345
346 enum color_names {
347 COLOR_BLACK = 0,
348 COLOR_RED = 1,
349 COLOR_GREEN = 2,
350 COLOR_YELLOW = 3,
351 COLOR_BLUE = 4,
352 COLOR_MAGENTA = 5,
353 COLOR_CYAN = 6,
354 COLOR_WHITE = 7
355 };
356
357 static const uint32_t color_table_rgb[2][8] = {
358 { /* dark */
359 QEMU_RGB(0x00, 0x00, 0x00), /* black */
360 QEMU_RGB(0xaa, 0x00, 0x00), /* red */
361 QEMU_RGB(0x00, 0xaa, 0x00), /* green */
362 QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
363 QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
364 QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
365 QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
366 QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
367 },
368 { /* bright */
369 QEMU_RGB(0x00, 0x00, 0x00), /* black */
370 QEMU_RGB(0xff, 0x00, 0x00), /* red */
371 QEMU_RGB(0x00, 0xff, 0x00), /* green */
372 QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
373 QEMU_RGB(0x00, 0x00, 0xff), /* blue */
374 QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
375 QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
376 QEMU_RGB(0xff, 0xff, 0xff), /* white */
377 }
378 };
379
380 static inline unsigned int col_expand(DisplayState *ds, unsigned int col)
381 {
382 switch(ds_get_bits_per_pixel(ds)) {
383 case 8:
384 col |= col << 8;
385 col |= col << 16;
386 break;
387 case 15:
388 case 16:
389 col |= col << 16;
390 break;
391 default:
392 break;
393 }
394
395 return col;
396 }
397 #ifdef DEBUG_CONSOLE
398 static void console_print_text_attributes(TextAttributes *t_attrib, char ch)
399 {
400 if (t_attrib->bold) {
401 printf("b");
402 } else {
403 printf(" ");
404 }
405 if (t_attrib->uline) {
406 printf("u");
407 } else {
408 printf(" ");
409 }
410 if (t_attrib->blink) {
411 printf("l");
412 } else {
413 printf(" ");
414 }
415 if (t_attrib->invers) {
416 printf("i");
417 } else {
418 printf(" ");
419 }
420 if (t_attrib->unvisible) {
421 printf("n");
422 } else {
423 printf(" ");
424 }
425
426 printf(" fg: %d bg: %d ch:'%2X' '%c'\n", t_attrib->fgcol, t_attrib->bgcol, ch, ch);
427 }
428 #endif
429
430 static void vga_putcharxy(DisplayState *ds, int x, int y, int ch,
431 TextAttributes *t_attrib)
432 {
433 uint8_t *d;
434 const uint8_t *font_ptr;
435 unsigned int font_data, linesize, xorcol, bpp;
436 int i;
437 unsigned int fgcol, bgcol;
438
439 #ifdef DEBUG_CONSOLE
440 printf("x: %2i y: %2i", x, y);
441 console_print_text_attributes(t_attrib, ch);
442 #endif
443
444 if (t_attrib->invers) {
445 bgcol = color_table[t_attrib->bold][t_attrib->fgcol];
446 fgcol = color_table[t_attrib->bold][t_attrib->bgcol];
447 } else {
448 fgcol = color_table[t_attrib->bold][t_attrib->fgcol];
449 bgcol = color_table[t_attrib->bold][t_attrib->bgcol];
450 }
451
452 bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
453 d = ds_get_data(ds) +
454 ds_get_linesize(ds) * y * FONT_HEIGHT + bpp * x * FONT_WIDTH;
455 linesize = ds_get_linesize(ds);
456 font_ptr = vgafont16 + FONT_HEIGHT * ch;
457 xorcol = bgcol ^ fgcol;
458 switch(ds_get_bits_per_pixel(ds)) {
459 case 8:
460 for(i = 0; i < FONT_HEIGHT; i++) {
461 font_data = *font_ptr++;
462 if (t_attrib->uline
463 && ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) {
464 font_data = 0xFFFF;
465 }
466 ((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol;
467 ((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
468 d += linesize;
469 }
470 break;
471 case 16:
472 case 15:
473 for(i = 0; i < FONT_HEIGHT; i++) {
474 font_data = *font_ptr++;
475 if (t_attrib->uline
476 && ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) {
477 font_data = 0xFFFF;
478 }
479 ((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol;
480 ((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol;
481 ((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol;
482 ((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
483 d += linesize;
484 }
485 break;
486 case 32:
487 for(i = 0; i < FONT_HEIGHT; i++) {
488 font_data = *font_ptr++;
489 if (t_attrib->uline && ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) {
490 font_data = 0xFFFF;
491 }
492 ((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
493 ((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
494 ((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
495 ((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
496 ((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
497 ((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
498 ((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
499 ((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
500 d += linesize;
501 }
502 break;
503 }
504 }
505
506 static void text_console_resize(TextConsole *s)
507 {
508 TextCell *cells, *c, *c1;
509 int w1, x, y, last_width;
510
511 last_width = s->width;
512 s->width = s->g_width / FONT_WIDTH;
513 s->height = s->g_height / FONT_HEIGHT;
514
515 w1 = last_width;
516 if (s->width < w1)
517 w1 = s->width;
518
519 cells = qemu_malloc(s->width * s->total_height * sizeof(TextCell));
520 for(y = 0; y < s->total_height; y++) {
521 c = &cells[y * s->width];
522 if (w1 > 0) {
523 c1 = &s->cells[y * last_width];
524 for(x = 0; x < w1; x++) {
525 *c++ = *c1++;
526 }
527 }
528 for(x = w1; x < s->width; x++) {
529 c->ch = ' ';
530 c->t_attrib = s->t_attrib_default;
531 c++;
532 }
533 }
534 qemu_free(s->cells);
535 s->cells = cells;
536 }
537
538 static inline void text_update_xy(TextConsole *s, int x, int y)
539 {
540 s->text_x[0] = MIN(s->text_x[0], x);
541 s->text_x[1] = MAX(s->text_x[1], x);
542 s->text_y[0] = MIN(s->text_y[0], y);
543 s->text_y[1] = MAX(s->text_y[1], y);
544 }
545
546 static void invalidate_xy(TextConsole *s, int x, int y)
547 {
548 if (s->update_x0 > x * FONT_WIDTH)
549 s->update_x0 = x * FONT_WIDTH;
550 if (s->update_y0 > y * FONT_HEIGHT)
551 s->update_y0 = y * FONT_HEIGHT;
552 if (s->update_x1 < (x + 1) * FONT_WIDTH)
553 s->update_x1 = (x + 1) * FONT_WIDTH;
554 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
555 s->update_y1 = (y + 1) * FONT_HEIGHT;
556 }
557
558 static void update_xy(TextConsole *s, int x, int y)
559 {
560 TextCell *c;
561 int y1, y2;
562
563 if (s == active_console) {
564 if (!ds_get_bits_per_pixel(s->ds)) {
565 text_update_xy(s, x, y);
566 return;
567 }
568
569 y1 = (s->y_base + y) % s->total_height;
570 y2 = y1 - s->y_displayed;
571 if (y2 < 0)
572 y2 += s->total_height;
573 if (y2 < s->height) {
574 c = &s->cells[y1 * s->width + x];
575 vga_putcharxy(s->ds, x, y2, c->ch,
576 &(c->t_attrib));
577 invalidate_xy(s, x, y2);
578 }
579 }
580 }
581
582 static void console_show_cursor(TextConsole *s, int show)
583 {
584 TextCell *c;
585 int y, y1;
586
587 if (s == active_console) {
588 int x = s->x;
589
590 if (!ds_get_bits_per_pixel(s->ds)) {
591 s->cursor_invalidate = 1;
592 return;
593 }
594
595 if (x >= s->width) {
596 x = s->width - 1;
597 }
598 y1 = (s->y_base + s->y) % s->total_height;
599 y = y1 - s->y_displayed;
600 if (y < 0)
601 y += s->total_height;
602 if (y < s->height) {
603 c = &s->cells[y1 * s->width + x];
604 if (show) {
605 TextAttributes t_attrib = s->t_attrib_default;
606 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
607 vga_putcharxy(s->ds, x, y, c->ch, &t_attrib);
608 } else {
609 vga_putcharxy(s->ds, x, y, c->ch, &(c->t_attrib));
610 }
611 invalidate_xy(s, x, y);
612 }
613 }
614 }
615
616 static void console_refresh(TextConsole *s)
617 {
618 TextCell *c;
619 int x, y, y1;
620
621 if (s != active_console)
622 return;
623 if (!ds_get_bits_per_pixel(s->ds)) {
624 s->text_x[0] = 0;
625 s->text_y[0] = 0;
626 s->text_x[1] = s->width - 1;
627 s->text_y[1] = s->height - 1;
628 s->cursor_invalidate = 1;
629 return;
630 }
631
632 vga_fill_rect(s->ds, 0, 0, ds_get_width(s->ds), ds_get_height(s->ds),
633 color_table[0][COLOR_BLACK]);
634 y1 = s->y_displayed;
635 for(y = 0; y < s->height; y++) {
636 c = s->cells + y1 * s->width;
637 for(x = 0; x < s->width; x++) {
638 vga_putcharxy(s->ds, x, y, c->ch,
639 &(c->t_attrib));
640 c++;
641 }
642 if (++y1 == s->total_height)
643 y1 = 0;
644 }
645 console_show_cursor(s, 1);
646 dpy_update(s->ds, 0, 0, ds_get_width(s->ds), ds_get_height(s->ds));
647 }
648
649 static void console_scroll(int ydelta)
650 {
651 TextConsole *s;
652 int i, y1;
653
654 s = active_console;
655 if (!s || (s->console_type == GRAPHIC_CONSOLE))
656 return;
657
658 if (ydelta > 0) {
659 for(i = 0; i < ydelta; i++) {
660 if (s->y_displayed == s->y_base)
661 break;
662 if (++s->y_displayed == s->total_height)
663 s->y_displayed = 0;
664 }
665 } else {
666 ydelta = -ydelta;
667 i = s->backscroll_height;
668 if (i > s->total_height - s->height)
669 i = s->total_height - s->height;
670 y1 = s->y_base - i;
671 if (y1 < 0)
672 y1 += s->total_height;
673 for(i = 0; i < ydelta; i++) {
674 if (s->y_displayed == y1)
675 break;
676 if (--s->y_displayed < 0)
677 s->y_displayed = s->total_height - 1;
678 }
679 }
680 console_refresh(s);
681 }
682
683 static void console_put_lf(TextConsole *s)
684 {
685 TextCell *c;
686 int x, y1;
687
688 s->y++;
689 if (s->y >= s->height) {
690 s->y = s->height - 1;
691
692 if (s->y_displayed == s->y_base) {
693 if (++s->y_displayed == s->total_height)
694 s->y_displayed = 0;
695 }
696 if (++s->y_base == s->total_height)
697 s->y_base = 0;
698 if (s->backscroll_height < s->total_height)
699 s->backscroll_height++;
700 y1 = (s->y_base + s->height - 1) % s->total_height;
701 c = &s->cells[y1 * s->width];
702 for(x = 0; x < s->width; x++) {
703 c->ch = ' ';
704 c->t_attrib = s->t_attrib_default;
705 c++;
706 }
707 if (s == active_console && s->y_displayed == s->y_base) {
708 if (!ds_get_bits_per_pixel(s->ds)) {
709 s->text_x[0] = 0;
710 s->text_y[0] = 0;
711 s->text_x[1] = s->width - 1;
712 s->text_y[1] = s->height - 1;
713 return;
714 }
715
716 vga_bitblt(s->ds, 0, FONT_HEIGHT, 0, 0,
717 s->width * FONT_WIDTH,
718 (s->height - 1) * FONT_HEIGHT);
719 vga_fill_rect(s->ds, 0, (s->height - 1) * FONT_HEIGHT,
720 s->width * FONT_WIDTH, FONT_HEIGHT,
721 color_table[0][s->t_attrib_default.bgcol]);
722 s->update_x0 = 0;
723 s->update_y0 = 0;
724 s->update_x1 = s->width * FONT_WIDTH;
725 s->update_y1 = s->height * FONT_HEIGHT;
726 }
727 }
728 }
729
730 /* Set console attributes depending on the current escape codes.
731 * NOTE: I know this code is not very efficient (checking every color for it
732 * self) but it is more readable and better maintainable.
733 */
734 static void console_handle_escape(TextConsole *s)
735 {
736 int i;
737
738 for (i=0; i<s->nb_esc_params; i++) {
739 switch (s->esc_params[i]) {
740 case 0: /* reset all console attributes to default */
741 s->t_attrib = s->t_attrib_default;
742 break;
743 case 1:
744 s->t_attrib.bold = 1;
745 break;
746 case 4:
747 s->t_attrib.uline = 1;
748 break;
749 case 5:
750 s->t_attrib.blink = 1;
751 break;
752 case 7:
753 s->t_attrib.invers = 1;
754 break;
755 case 8:
756 s->t_attrib.unvisible = 1;
757 break;
758 case 22:
759 s->t_attrib.bold = 0;
760 break;
761 case 24:
762 s->t_attrib.uline = 0;
763 break;
764 case 25:
765 s->t_attrib.blink = 0;
766 break;
767 case 27:
768 s->t_attrib.invers = 0;
769 break;
770 case 28:
771 s->t_attrib.unvisible = 0;
772 break;
773 /* set foreground color */
774 case 30:
775 s->t_attrib.fgcol=COLOR_BLACK;
776 break;
777 case 31:
778 s->t_attrib.fgcol=COLOR_RED;
779 break;
780 case 32:
781 s->t_attrib.fgcol=COLOR_GREEN;
782 break;
783 case 33:
784 s->t_attrib.fgcol=COLOR_YELLOW;
785 break;
786 case 34:
787 s->t_attrib.fgcol=COLOR_BLUE;
788 break;
789 case 35:
790 s->t_attrib.fgcol=COLOR_MAGENTA;
791 break;
792 case 36:
793 s->t_attrib.fgcol=COLOR_CYAN;
794 break;
795 case 37:
796 s->t_attrib.fgcol=COLOR_WHITE;
797 break;
798 /* set background color */
799 case 40:
800 s->t_attrib.bgcol=COLOR_BLACK;
801 break;
802 case 41:
803 s->t_attrib.bgcol=COLOR_RED;
804 break;
805 case 42:
806 s->t_attrib.bgcol=COLOR_GREEN;
807 break;
808 case 43:
809 s->t_attrib.bgcol=COLOR_YELLOW;
810 break;
811 case 44:
812 s->t_attrib.bgcol=COLOR_BLUE;
813 break;
814 case 45:
815 s->t_attrib.bgcol=COLOR_MAGENTA;
816 break;
817 case 46:
818 s->t_attrib.bgcol=COLOR_CYAN;
819 break;
820 case 47:
821 s->t_attrib.bgcol=COLOR_WHITE;
822 break;
823 }
824 }
825 }
826
827 static void console_clear_xy(TextConsole *s, int x, int y)
828 {
829 int y1 = (s->y_base + y) % s->total_height;
830 TextCell *c = &s->cells[y1 * s->width + x];
831 c->ch = ' ';
832 c->t_attrib = s->t_attrib_default;
833 update_xy(s, x, y);
834 }
835
836 static void console_putchar(TextConsole *s, int ch)
837 {
838 TextCell *c;
839 int y1, i;
840 int x, y;
841
842 switch(s->state) {
843 case TTY_STATE_NORM:
844 switch(ch) {
845 case '\r': /* carriage return */
846 s->x = 0;
847 break;
848 case '\n': /* newline */
849 console_put_lf(s);
850 break;
851 case '\b': /* backspace */
852 if (s->x > 0)
853 s->x--;
854 break;
855 case '\t': /* tabspace */
856 if (s->x + (8 - (s->x % 8)) > s->width) {
857 s->x = 0;
858 console_put_lf(s);
859 } else {
860 s->x = s->x + (8 - (s->x % 8));
861 }
862 break;
863 case '\a': /* alert aka. bell */
864 /* TODO: has to be implemented */
865 break;
866 case 14:
867 /* SI (shift in), character set 0 (ignored) */
868 break;
869 case 15:
870 /* SO (shift out), character set 1 (ignored) */
871 break;
872 case 27: /* esc (introducing an escape sequence) */
873 s->state = TTY_STATE_ESC;
874 break;
875 default:
876 if (s->x >= s->width) {
877 /* line wrap */
878 s->x = 0;
879 console_put_lf(s);
880 }
881 y1 = (s->y_base + s->y) % s->total_height;
882 c = &s->cells[y1 * s->width + s->x];
883 c->ch = ch;
884 c->t_attrib = s->t_attrib;
885 update_xy(s, s->x, s->y);
886 s->x++;
887 break;
888 }
889 break;
890 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
891 if (ch == '[') {
892 for(i=0;i<MAX_ESC_PARAMS;i++)
893 s->esc_params[i] = 0;
894 s->nb_esc_params = 0;
895 s->state = TTY_STATE_CSI;
896 } else {
897 s->state = TTY_STATE_NORM;
898 }
899 break;
900 case TTY_STATE_CSI: /* handle escape sequence parameters */
901 if (ch >= '0' && ch <= '9') {
902 if (s->nb_esc_params < MAX_ESC_PARAMS) {
903 s->esc_params[s->nb_esc_params] =
904 s->esc_params[s->nb_esc_params] * 10 + ch - '0';
905 }
906 } else {
907 s->nb_esc_params++;
908 if (ch == ';')
909 break;
910 #ifdef DEBUG_CONSOLE
911 fprintf(stderr, "escape sequence CSI%d;%d%c, %d parameters\n",
912 s->esc_params[0], s->esc_params[1], ch, s->nb_esc_params);
913 #endif
914 s->state = TTY_STATE_NORM;
915 switch(ch) {
916 case 'A':
917 /* move cursor up */
918 if (s->esc_params[0] == 0) {
919 s->esc_params[0] = 1;
920 }
921 s->y -= s->esc_params[0];
922 if (s->y < 0) {
923 s->y = 0;
924 }
925 break;
926 case 'B':
927 /* move cursor down */
928 if (s->esc_params[0] == 0) {
929 s->esc_params[0] = 1;
930 }
931 s->y += s->esc_params[0];
932 if (s->y >= s->height) {
933 s->y = s->height - 1;
934 }
935 break;
936 case 'C':
937 /* move cursor right */
938 if (s->esc_params[0] == 0) {
939 s->esc_params[0] = 1;
940 }
941 s->x += s->esc_params[0];
942 if (s->x >= s->width) {
943 s->x = s->width - 1;
944 }
945 break;
946 case 'D':
947 /* move cursor left */
948 if (s->esc_params[0] == 0) {
949 s->esc_params[0] = 1;
950 }
951 s->x -= s->esc_params[0];
952 if (s->x < 0) {
953 s->x = 0;
954 }
955 break;
956 case 'G':
957 /* move cursor to column */
958 s->x = s->esc_params[0] - 1;
959 if (s->x < 0) {
960 s->x = 0;
961 }
962 break;
963 case 'f':
964 case 'H':
965 /* move cursor to row, column */
966 s->x = s->esc_params[1] - 1;
967 if (s->x < 0) {
968 s->x = 0;
969 }
970 s->y = s->esc_params[0] - 1;
971 if (s->y < 0) {
972 s->y = 0;
973 }
974 break;
975 case 'J':
976 switch (s->esc_params[0]) {
977 case 0:
978 /* clear to end of screen */
979 for (y = s->y; y < s->height; y++) {
980 for (x = 0; x < s->width; x++) {
981 if (y == s->y && x < s->x) {
982 continue;
983 }
984 console_clear_xy(s, x, y);
985 }
986 }
987 break;
988 case 1:
989 /* clear from beginning of screen */
990 for (y = 0; y <= s->y; y++) {
991 for (x = 0; x < s->width; x++) {
992 if (y == s->y && x > s->x) {
993 break;
994 }
995 console_clear_xy(s, x, y);
996 }
997 }
998 break;
999 case 2:
1000 /* clear entire screen */
1001 for (y = 0; y <= s->height; y++) {
1002 for (x = 0; x < s->width; x++) {
1003 console_clear_xy(s, x, y);
1004 }
1005 }
1006 break;
1007 }
1008 case 'K':
1009 switch (s->esc_params[0]) {
1010 case 0:
1011 /* clear to eol */
1012 for(x = s->x; x < s->width; x++) {
1013 console_clear_xy(s, x, s->y);
1014 }
1015 break;
1016 case 1:
1017 /* clear from beginning of line */
1018 for (x = 0; x <= s->x; x++) {
1019 console_clear_xy(s, x, s->y);
1020 }
1021 break;
1022 case 2:
1023 /* clear entire line */
1024 for(x = 0; x < s->width; x++) {
1025 console_clear_xy(s, x, s->y);
1026 }
1027 break;
1028 }
1029 break;
1030 case 'm':
1031 console_handle_escape(s);
1032 break;
1033 case 'n':
1034 /* report cursor position */
1035 /* TODO: send ESC[row;colR */
1036 break;
1037 case 's':
1038 /* save cursor position */
1039 s->x_saved = s->x;
1040 s->y_saved = s->y;
1041 break;
1042 case 'u':
1043 /* restore cursor position */
1044 s->x = s->x_saved;
1045 s->y = s->y_saved;
1046 break;
1047 default:
1048 #ifdef DEBUG_CONSOLE
1049 fprintf(stderr, "unhandled escape character '%c'\n", ch);
1050 #endif
1051 break;
1052 }
1053 break;
1054 }
1055 }
1056 }
1057
1058 void console_select(unsigned int index)
1059 {
1060 TextConsole *s;
1061
1062 if (index >= MAX_CONSOLES)
1063 return;
1064 if (active_console) {
1065 active_console->g_width = ds_get_width(active_console->ds);
1066 active_console->g_height = ds_get_height(active_console->ds);
1067 }
1068 s = consoles[index];
1069 if (s) {
1070 DisplayState *ds = s->ds;
1071 active_console = s;
1072 if (ds_get_bits_per_pixel(s->ds)) {
1073 ds->surface = qemu_resize_displaysurface(ds, s->g_width, s->g_height);
1074 } else {
1075 s->ds->surface->width = s->width;
1076 s->ds->surface->height = s->height;
1077 }
1078 dpy_resize(s->ds);
1079 vga_hw_invalidate();
1080 }
1081 }
1082
1083 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1084 {
1085 TextConsole *s = chr->opaque;
1086 int i;
1087
1088 s->update_x0 = s->width * FONT_WIDTH;
1089 s->update_y0 = s->height * FONT_HEIGHT;
1090 s->update_x1 = 0;
1091 s->update_y1 = 0;
1092 console_show_cursor(s, 0);
1093 for(i = 0; i < len; i++) {
1094 console_putchar(s, buf[i]);
1095 }
1096 console_show_cursor(s, 1);
1097 if (ds_get_bits_per_pixel(s->ds) && s->update_x0 < s->update_x1) {
1098 dpy_update(s->ds, s->update_x0, s->update_y0,
1099 s->update_x1 - s->update_x0,
1100 s->update_y1 - s->update_y0);
1101 }
1102 return len;
1103 }
1104
1105 static void console_send_event(CharDriverState *chr, int event)
1106 {
1107 TextConsole *s = chr->opaque;
1108 int i;
1109
1110 if (event == CHR_EVENT_FOCUS) {
1111 for(i = 0; i < nb_consoles; i++) {
1112 if (consoles[i] == s) {
1113 console_select(i);
1114 break;
1115 }
1116 }
1117 }
1118 }
1119
1120 static void kbd_send_chars(void *opaque)
1121 {
1122 TextConsole *s = opaque;
1123 int len;
1124 uint8_t buf[16];
1125
1126 len = qemu_chr_can_read(s->chr);
1127 if (len > s->out_fifo.count)
1128 len = s->out_fifo.count;
1129 if (len > 0) {
1130 if (len > sizeof(buf))
1131 len = sizeof(buf);
1132 qemu_fifo_read(&s->out_fifo, buf, len);
1133 qemu_chr_read(s->chr, buf, len);
1134 }
1135 /* characters are pending: we send them a bit later (XXX:
1136 horrible, should change char device API) */
1137 if (s->out_fifo.count > 0) {
1138 qemu_mod_timer(s->kbd_timer, qemu_get_clock(rt_clock) + 1);
1139 }
1140 }
1141
1142 /* called when an ascii key is pressed */
1143 void kbd_put_keysym(int keysym)
1144 {
1145 TextConsole *s;
1146 uint8_t buf[16], *q;
1147 int c;
1148
1149 s = active_console;
1150 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1151 return;
1152
1153 switch(keysym) {
1154 case QEMU_KEY_CTRL_UP:
1155 console_scroll(-1);
1156 break;
1157 case QEMU_KEY_CTRL_DOWN:
1158 console_scroll(1);
1159 break;
1160 case QEMU_KEY_CTRL_PAGEUP:
1161 console_scroll(-10);
1162 break;
1163 case QEMU_KEY_CTRL_PAGEDOWN:
1164 console_scroll(10);
1165 break;
1166 default:
1167 /* convert the QEMU keysym to VT100 key string */
1168 q = buf;
1169 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1170 *q++ = '\033';
1171 *q++ = '[';
1172 c = keysym - 0xe100;
1173 if (c >= 10)
1174 *q++ = '0' + (c / 10);
1175 *q++ = '0' + (c % 10);
1176 *q++ = '~';
1177 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1178 *q++ = '\033';
1179 *q++ = '[';
1180 *q++ = keysym & 0xff;
1181 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1182 console_puts(s->chr, (const uint8_t *) "\r", 1);
1183 *q++ = '\n';
1184 } else {
1185 *q++ = keysym;
1186 }
1187 if (s->echo) {
1188 console_puts(s->chr, buf, q - buf);
1189 }
1190 if (s->chr->chr_read) {
1191 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1192 kbd_send_chars(s);
1193 }
1194 break;
1195 }
1196 }
1197
1198 static void text_console_invalidate(void *opaque)
1199 {
1200 TextConsole *s = (TextConsole *) opaque;
1201 if (!ds_get_bits_per_pixel(s->ds) && s->console_type == TEXT_CONSOLE) {
1202 s->g_width = ds_get_width(s->ds);
1203 s->g_height = ds_get_height(s->ds);
1204 text_console_resize(s);
1205 }
1206 console_refresh(s);
1207 }
1208
1209 static void text_console_update(void *opaque, console_ch_t *chardata)
1210 {
1211 TextConsole *s = (TextConsole *) opaque;
1212 int i, j, src;
1213
1214 if (s->text_x[0] <= s->text_x[1]) {
1215 src = (s->y_base + s->text_y[0]) * s->width;
1216 chardata += s->text_y[0] * s->width;
1217 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1218 for (j = 0; j < s->width; j ++, src ++)
1219 console_write_ch(chardata ++, s->cells[src].ch |
1220 (s->cells[src].t_attrib.fgcol << 12) |
1221 (s->cells[src].t_attrib.bgcol << 8) |
1222 (s->cells[src].t_attrib.bold << 21));
1223 dpy_update(s->ds, s->text_x[0], s->text_y[0],
1224 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1225 s->text_x[0] = s->width;
1226 s->text_y[0] = s->height;
1227 s->text_x[1] = 0;
1228 s->text_y[1] = 0;
1229 }
1230 if (s->cursor_invalidate) {
1231 dpy_cursor(s->ds, s->x, s->y);
1232 s->cursor_invalidate = 0;
1233 }
1234 }
1235
1236 static TextConsole *get_graphic_console(DisplayState *ds)
1237 {
1238 int i;
1239 TextConsole *s;
1240 for (i = 0; i < nb_consoles; i++) {
1241 s = consoles[i];
1242 if (s->console_type == GRAPHIC_CONSOLE && s->ds == ds)
1243 return s;
1244 }
1245 return NULL;
1246 }
1247
1248 static TextConsole *new_console(DisplayState *ds, console_type_t console_type)
1249 {
1250 TextConsole *s;
1251 int i;
1252
1253 if (nb_consoles >= MAX_CONSOLES)
1254 return NULL;
1255 s = qemu_mallocz(sizeof(TextConsole));
1256 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1257 (console_type == GRAPHIC_CONSOLE))) {
1258 active_console = s;
1259 }
1260 s->ds = ds;
1261 s->console_type = console_type;
1262 if (console_type != GRAPHIC_CONSOLE) {
1263 consoles[nb_consoles++] = s;
1264 } else {
1265 /* HACK: Put graphical consoles before text consoles. */
1266 for (i = nb_consoles; i > 0; i--) {
1267 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1268 break;
1269 consoles[i] = consoles[i - 1];
1270 }
1271 consoles[i] = s;
1272 nb_consoles++;
1273 }
1274 return s;
1275 }
1276
1277 static DisplaySurface* defaultallocator_create_displaysurface(int width, int height)
1278 {
1279 DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));
1280
1281 surface->width = width;
1282 surface->height = height;
1283 surface->linesize = width * 4;
1284 surface->pf = qemu_default_pixelformat(32);
1285 #ifdef HOST_WORDS_BIGENDIAN
1286 surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
1287 #else
1288 surface->flags = QEMU_ALLOCATED_FLAG;
1289 #endif
1290 surface->data = (uint8_t*) qemu_mallocz(surface->linesize * surface->height);
1291
1292 return surface;
1293 }
1294
1295 static DisplaySurface* defaultallocator_resize_displaysurface(DisplaySurface *surface,
1296 int width, int height)
1297 {
1298 surface->width = width;
1299 surface->height = height;
1300 surface->linesize = width * 4;
1301 surface->pf = qemu_default_pixelformat(32);
1302 if (surface->flags & QEMU_ALLOCATED_FLAG)
1303 surface->data = (uint8_t*) qemu_realloc(surface->data, surface->linesize * surface->height);
1304 else
1305 surface->data = (uint8_t*) qemu_malloc(surface->linesize * surface->height);
1306 #ifdef HOST_WORDS_BIGENDIAN
1307 surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
1308 #else
1309 surface->flags = QEMU_ALLOCATED_FLAG;
1310 #endif
1311
1312 return surface;
1313 }
1314
1315 DisplaySurface* qemu_create_displaysurface_from(int width, int height, int bpp,
1316 int linesize, uint8_t *data)
1317 {
1318 DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));
1319
1320 surface->width = width;
1321 surface->height = height;
1322 surface->linesize = linesize;
1323 surface->pf = qemu_default_pixelformat(bpp);
1324 #ifdef HOST_WORDS_BIGENDIAN
1325 surface->flags = QEMU_BIG_ENDIAN_FLAG;
1326 #endif
1327 surface->data = data;
1328
1329 return surface;
1330 }
1331
1332 static void defaultallocator_free_displaysurface(DisplaySurface *surface)
1333 {
1334 if (surface == NULL)
1335 return;
1336 if (surface->flags & QEMU_ALLOCATED_FLAG)
1337 qemu_free(surface->data);
1338 qemu_free(surface);
1339 }
1340
1341 static struct DisplayAllocator default_allocator = {
1342 defaultallocator_create_displaysurface,
1343 defaultallocator_resize_displaysurface,
1344 defaultallocator_free_displaysurface
1345 };
1346
1347 static void dumb_display_init(void)
1348 {
1349 DisplayState *ds = qemu_mallocz(sizeof(DisplayState));
1350 ds->allocator = &default_allocator;
1351 ds->surface = qemu_create_displaysurface(ds, 640, 480);
1352 register_displaystate(ds);
1353 }
1354
1355 /***********************************************************/
1356 /* register display */
1357
1358 void register_displaystate(DisplayState *ds)
1359 {
1360 DisplayState **s;
1361 s = &display_state;
1362 while (*s != NULL)
1363 s = &(*s)->next;
1364 ds->next = NULL;
1365 *s = ds;
1366 }
1367
1368 DisplayState *get_displaystate(void)
1369 {
1370 if (!display_state) {
1371 dumb_display_init ();
1372 }
1373 return display_state;
1374 }
1375
1376 DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da)
1377 {
1378 if(ds->allocator == &default_allocator) {
1379 DisplaySurface *surf;
1380 surf = da->create_displaysurface(ds_get_width(ds), ds_get_height(ds));
1381 defaultallocator_free_displaysurface(ds->surface);
1382 ds->surface = surf;
1383 ds->allocator = da;
1384 }
1385 return ds->allocator;
1386 }
1387
1388 DisplayState *graphic_console_init(vga_hw_update_ptr update,
1389 vga_hw_invalidate_ptr invalidate,
1390 vga_hw_screen_dump_ptr screen_dump,
1391 vga_hw_text_update_ptr text_update,
1392 void *opaque)
1393 {
1394 TextConsole *s;
1395 DisplayState *ds;
1396
1397 ds = (DisplayState *) qemu_mallocz(sizeof(DisplayState));
1398 ds->allocator = &default_allocator;
1399 ds->surface = qemu_create_displaysurface(ds, 640, 480);
1400
1401 s = new_console(ds, GRAPHIC_CONSOLE);
1402 if (s == NULL) {
1403 qemu_free_displaysurface(ds);
1404 qemu_free(ds);
1405 return NULL;
1406 }
1407 s->hw_update = update;
1408 s->hw_invalidate = invalidate;
1409 s->hw_screen_dump = screen_dump;
1410 s->hw_text_update = text_update;
1411 s->hw = opaque;
1412
1413 register_displaystate(ds);
1414 return ds;
1415 }
1416
1417 int is_graphic_console(void)
1418 {
1419 return active_console && active_console->console_type == GRAPHIC_CONSOLE;
1420 }
1421
1422 int is_fixedsize_console(void)
1423 {
1424 return active_console && active_console->console_type != TEXT_CONSOLE;
1425 }
1426
1427 void console_color_init(DisplayState *ds)
1428 {
1429 int i, j;
1430 for (j = 0; j < 2; j++) {
1431 for (i = 0; i < 8; i++) {
1432 color_table[j][i] = col_expand(ds,
1433 vga_get_color(ds, color_table_rgb[j][i]));
1434 }
1435 }
1436 }
1437
1438 static int n_text_consoles;
1439 static CharDriverState *text_consoles[128];
1440
1441 static void text_console_set_echo(CharDriverState *chr, bool echo)
1442 {
1443 TextConsole *s = chr->opaque;
1444
1445 s->echo = echo;
1446 }
1447
1448 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1449 {
1450 TextConsole *s;
1451 static int color_inited;
1452
1453 s = chr->opaque;
1454
1455 chr->chr_write = console_puts;
1456 chr->chr_send_event = console_send_event;
1457
1458 s->out_fifo.buf = s->out_fifo_buf;
1459 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1460 s->kbd_timer = qemu_new_timer(rt_clock, kbd_send_chars, s);
1461 s->ds = ds;
1462
1463 if (!color_inited) {
1464 color_inited = 1;
1465 console_color_init(s->ds);
1466 }
1467 s->y_displayed = 0;
1468 s->y_base = 0;
1469 s->total_height = DEFAULT_BACKSCROLL;
1470 s->x = 0;
1471 s->y = 0;
1472 if (s->console_type == TEXT_CONSOLE) {
1473 s->g_width = ds_get_width(s->ds);
1474 s->g_height = ds_get_height(s->ds);
1475 }
1476
1477 s->hw_invalidate = text_console_invalidate;
1478 s->hw_text_update = text_console_update;
1479 s->hw = s;
1480
1481 /* Set text attribute defaults */
1482 s->t_attrib_default.bold = 0;
1483 s->t_attrib_default.uline = 0;
1484 s->t_attrib_default.blink = 0;
1485 s->t_attrib_default.invers = 0;
1486 s->t_attrib_default.unvisible = 0;
1487 s->t_attrib_default.fgcol = COLOR_WHITE;
1488 s->t_attrib_default.bgcol = COLOR_BLACK;
1489 /* set current text attributes to default */
1490 s->t_attrib = s->t_attrib_default;
1491 text_console_resize(s);
1492
1493 if (chr->label) {
1494 char msg[128];
1495 int len;
1496
1497 s->t_attrib.bgcol = COLOR_BLUE;
1498 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1499 console_puts(chr, (uint8_t*)msg, len);
1500 s->t_attrib = s->t_attrib_default;
1501 }
1502
1503 qemu_chr_generic_open(chr);
1504 if (chr->init)
1505 chr->init(chr);
1506 }
1507
1508 CharDriverState *text_console_init(QemuOpts *opts)
1509 {
1510 CharDriverState *chr;
1511 TextConsole *s;
1512 unsigned width;
1513 unsigned height;
1514
1515 chr = qemu_mallocz(sizeof(CharDriverState));
1516
1517 if (n_text_consoles == 128) {
1518 fprintf(stderr, "Too many text consoles\n");
1519 exit(1);
1520 }
1521 text_consoles[n_text_consoles] = chr;
1522 n_text_consoles++;
1523
1524 width = qemu_opt_get_number(opts, "width", 0);
1525 if (width == 0)
1526 width = qemu_opt_get_number(opts, "cols", 0) * FONT_WIDTH;
1527
1528 height = qemu_opt_get_number(opts, "height", 0);
1529 if (height == 0)
1530 height = qemu_opt_get_number(opts, "rows", 0) * FONT_HEIGHT;
1531
1532 if (width == 0 || height == 0) {
1533 s = new_console(NULL, TEXT_CONSOLE);
1534 } else {
1535 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE);
1536 }
1537
1538 if (!s) {
1539 free(chr);
1540 return NULL;
1541 }
1542
1543 s->chr = chr;
1544 s->g_width = width;
1545 s->g_height = height;
1546 chr->opaque = s;
1547 chr->chr_set_echo = text_console_set_echo;
1548 return chr;
1549 }
1550
1551 void text_consoles_set_display(DisplayState *ds)
1552 {
1553 int i;
1554
1555 for (i = 0; i < n_text_consoles; i++) {
1556 text_console_do_init(text_consoles[i], ds);
1557 }
1558
1559 n_text_consoles = 0;
1560 }
1561
1562 void qemu_console_resize(DisplayState *ds, int width, int height)
1563 {
1564 TextConsole *s = get_graphic_console(ds);
1565 if (!s) return;
1566
1567 s->g_width = width;
1568 s->g_height = height;
1569 if (is_graphic_console()) {
1570 ds->surface = qemu_resize_displaysurface(ds, width, height);
1571 dpy_resize(ds);
1572 }
1573 }
1574
1575 void qemu_console_copy(DisplayState *ds, int src_x, int src_y,
1576 int dst_x, int dst_y, int w, int h)
1577 {
1578 if (is_graphic_console()) {
1579 dpy_copy(ds, src_x, src_y, dst_x, dst_y, w, h);
1580 }
1581 }
1582
1583 PixelFormat qemu_different_endianness_pixelformat(int bpp)
1584 {
1585 PixelFormat pf;
1586
1587 memset(&pf, 0x00, sizeof(PixelFormat));
1588
1589 pf.bits_per_pixel = bpp;
1590 pf.bytes_per_pixel = bpp / 8;
1591 pf.depth = bpp == 32 ? 24 : bpp;
1592
1593 switch (bpp) {
1594 case 24:
1595 pf.rmask = 0x000000FF;
1596 pf.gmask = 0x0000FF00;
1597 pf.bmask = 0x00FF0000;
1598 pf.rmax = 255;
1599 pf.gmax = 255;
1600 pf.bmax = 255;
1601 pf.rshift = 0;
1602 pf.gshift = 8;
1603 pf.bshift = 16;
1604 pf.rbits = 8;
1605 pf.gbits = 8;
1606 pf.bbits = 8;
1607 break;
1608 case 32:
1609 pf.rmask = 0x0000FF00;
1610 pf.gmask = 0x00FF0000;
1611 pf.bmask = 0xFF000000;
1612 pf.amask = 0x00000000;
1613 pf.amax = 255;
1614 pf.rmax = 255;
1615 pf.gmax = 255;
1616 pf.bmax = 255;
1617 pf.ashift = 0;
1618 pf.rshift = 8;
1619 pf.gshift = 16;
1620 pf.bshift = 24;
1621 pf.rbits = 8;
1622 pf.gbits = 8;
1623 pf.bbits = 8;
1624 pf.abits = 8;
1625 break;
1626 default:
1627 break;
1628 }
1629 return pf;
1630 }
1631
1632 PixelFormat qemu_default_pixelformat(int bpp)
1633 {
1634 PixelFormat pf;
1635
1636 memset(&pf, 0x00, sizeof(PixelFormat));
1637
1638 pf.bits_per_pixel = bpp;
1639 pf.bytes_per_pixel = bpp / 8;
1640 pf.depth = bpp == 32 ? 24 : bpp;
1641
1642 switch (bpp) {
1643 case 15:
1644 pf.bits_per_pixel = 16;
1645 pf.bytes_per_pixel = 2;
1646 pf.rmask = 0x00007c00;
1647 pf.gmask = 0x000003E0;
1648 pf.bmask = 0x0000001F;
1649 pf.rmax = 31;
1650 pf.gmax = 31;
1651 pf.bmax = 31;
1652 pf.rshift = 10;
1653 pf.gshift = 5;
1654 pf.bshift = 0;
1655 pf.rbits = 5;
1656 pf.gbits = 5;
1657 pf.bbits = 5;
1658 break;
1659 case 16:
1660 pf.rmask = 0x0000F800;
1661 pf.gmask = 0x000007E0;
1662 pf.bmask = 0x0000001F;
1663 pf.rmax = 31;
1664 pf.gmax = 63;
1665 pf.bmax = 31;
1666 pf.rshift = 11;
1667 pf.gshift = 5;
1668 pf.bshift = 0;
1669 pf.rbits = 5;
1670 pf.gbits = 6;
1671 pf.bbits = 5;
1672 break;
1673 case 24:
1674 pf.rmask = 0x00FF0000;
1675 pf.gmask = 0x0000FF00;
1676 pf.bmask = 0x000000FF;
1677 pf.rmax = 255;
1678 pf.gmax = 255;
1679 pf.bmax = 255;
1680 pf.rshift = 16;
1681 pf.gshift = 8;
1682 pf.bshift = 0;
1683 pf.rbits = 8;
1684 pf.gbits = 8;
1685 pf.bbits = 8;
1686 case 32:
1687 pf.rmask = 0x00FF0000;
1688 pf.gmask = 0x0000FF00;
1689 pf.bmask = 0x000000FF;
1690 pf.amax = 255;
1691 pf.rmax = 255;
1692 pf.gmax = 255;
1693 pf.bmax = 255;
1694 pf.ashift = 24;
1695 pf.rshift = 16;
1696 pf.gshift = 8;
1697 pf.bshift = 0;
1698 pf.rbits = 8;
1699 pf.gbits = 8;
1700 pf.bbits = 8;
1701 pf.abits = 8;
1702 break;
1703 default:
1704 break;
1705 }
1706 return pf;
1707 }
QEmu