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tcx: avoid structure holes spotted by pahole
[qemu/mdroth.git] / console.c
blobec529ae6e20080a2603c05fd63531be13438b170
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] && 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 = g_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 g_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_ms(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 = g_malloc0(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*) g_malloc0(sizeof(DisplaySurface));
1280
1281 int linesize = width * 4;
1282 qemu_alloc_display(surface, width, height, linesize,
1283 qemu_default_pixelformat(32), 0);
1284 return surface;
1285 }
1286
1287 static DisplaySurface* defaultallocator_resize_displaysurface(DisplaySurface *surface,
1288 int width, int height)
1289 {
1290 int linesize = width * 4;
1291 qemu_alloc_display(surface, width, height, linesize,
1292 qemu_default_pixelformat(32), 0);
1293 return surface;
1294 }
1295
1296 void qemu_alloc_display(DisplaySurface *surface, int width, int height,
1297 int linesize, PixelFormat pf, int newflags)
1298 {
1299 void *data;
1300 surface->width = width;
1301 surface->height = height;
1302 surface->linesize = linesize;
1303 surface->pf = pf;
1304 if (surface->flags & QEMU_ALLOCATED_FLAG) {
1305 data = g_realloc(surface->data,
1306 surface->linesize * surface->height);
1307 } else {
1308 data = g_malloc(surface->linesize * surface->height);
1309 }
1310 surface->data = (uint8_t *)data;
1311 surface->flags = newflags | QEMU_ALLOCATED_FLAG;
1312 #ifdef HOST_WORDS_BIGENDIAN
1313 surface->flags |= QEMU_BIG_ENDIAN_FLAG;
1314 #endif
1315 }
1316
1317 DisplaySurface* qemu_create_displaysurface_from(int width, int height, int bpp,
1318 int linesize, uint8_t *data)
1319 {
1320 DisplaySurface *surface = (DisplaySurface*) g_malloc0(sizeof(DisplaySurface));
1321
1322 surface->width = width;
1323 surface->height = height;
1324 surface->linesize = linesize;
1325 surface->pf = qemu_default_pixelformat(bpp);
1326 #ifdef HOST_WORDS_BIGENDIAN
1327 surface->flags = QEMU_BIG_ENDIAN_FLAG;
1328 #endif
1329 surface->data = data;
1330
1331 return surface;
1332 }
1333
1334 static void defaultallocator_free_displaysurface(DisplaySurface *surface)
1335 {
1336 if (surface == NULL)
1337 return;
1338 if (surface->flags & QEMU_ALLOCATED_FLAG)
1339 g_free(surface->data);
1340 g_free(surface);
1341 }
1342
1343 static struct DisplayAllocator default_allocator = {
1344 defaultallocator_create_displaysurface,
1345 defaultallocator_resize_displaysurface,
1346 defaultallocator_free_displaysurface
1347 };
1348
1349 static void dumb_display_init(void)
1350 {
1351 DisplayState *ds = g_malloc0(sizeof(DisplayState));
1352 int width = 640;
1353 int height = 480;
1354
1355 ds->allocator = &default_allocator;
1356 if (is_fixedsize_console()) {
1357 width = active_console->g_width;
1358 height = active_console->g_height;
1359 }
1360 ds->surface = qemu_create_displaysurface(ds, width, height);
1361 register_displaystate(ds);
1362 }
1363
1364 /***********************************************************/
1365 /* register display */
1366
1367 void register_displaystate(DisplayState *ds)
1368 {
1369 DisplayState **s;
1370 s = &display_state;
1371 while (*s != NULL)
1372 s = &(*s)->next;
1373 ds->next = NULL;
1374 *s = ds;
1375 }
1376
1377 DisplayState *get_displaystate(void)
1378 {
1379 if (!display_state) {
1380 dumb_display_init ();
1381 }
1382 return display_state;
1383 }
1384
1385 DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da)
1386 {
1387 if(ds->allocator == &default_allocator) {
1388 DisplaySurface *surf;
1389 surf = da->create_displaysurface(ds_get_width(ds), ds_get_height(ds));
1390 defaultallocator_free_displaysurface(ds->surface);
1391 ds->surface = surf;
1392 ds->allocator = da;
1393 }
1394 return ds->allocator;
1395 }
1396
1397 DisplayState *graphic_console_init(vga_hw_update_ptr update,
1398 vga_hw_invalidate_ptr invalidate,
1399 vga_hw_screen_dump_ptr screen_dump,
1400 vga_hw_text_update_ptr text_update,
1401 void *opaque)
1402 {
1403 TextConsole *s;
1404 DisplayState *ds;
1405
1406 ds = (DisplayState *) g_malloc0(sizeof(DisplayState));
1407 ds->allocator = &default_allocator;
1408 ds->surface = qemu_create_displaysurface(ds, 640, 480);
1409
1410 s = new_console(ds, GRAPHIC_CONSOLE);
1411 if (s == NULL) {
1412 qemu_free_displaysurface(ds);
1413 g_free(ds);
1414 return NULL;
1415 }
1416 s->hw_update = update;
1417 s->hw_invalidate = invalidate;
1418 s->hw_screen_dump = screen_dump;
1419 s->hw_text_update = text_update;
1420 s->hw = opaque;
1421
1422 register_displaystate(ds);
1423 return ds;
1424 }
1425
1426 int is_graphic_console(void)
1427 {
1428 return active_console && active_console->console_type == GRAPHIC_CONSOLE;
1429 }
1430
1431 int is_fixedsize_console(void)
1432 {
1433 return active_console && active_console->console_type != TEXT_CONSOLE;
1434 }
1435
1436 void console_color_init(DisplayState *ds)
1437 {
1438 int i, j;
1439 for (j = 0; j < 2; j++) {
1440 for (i = 0; i < 8; i++) {
1441 color_table[j][i] = col_expand(ds,
1442 vga_get_color(ds, color_table_rgb[j][i]));
1443 }
1444 }
1445 }
1446
1447 static int n_text_consoles;
1448 static CharDriverState *text_consoles[128];
1449
1450 static void text_console_set_echo(CharDriverState *chr, bool echo)
1451 {
1452 TextConsole *s = chr->opaque;
1453
1454 s->echo = echo;
1455 }
1456
1457 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1458 {
1459 TextConsole *s;
1460 static int color_inited;
1461
1462 s = chr->opaque;
1463
1464 chr->chr_write = console_puts;
1465 chr->chr_send_event = console_send_event;
1466
1467 s->out_fifo.buf = s->out_fifo_buf;
1468 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1469 s->kbd_timer = qemu_new_timer_ms(rt_clock, kbd_send_chars, s);
1470 s->ds = ds;
1471
1472 if (!color_inited) {
1473 color_inited = 1;
1474 console_color_init(s->ds);
1475 }
1476 s->y_displayed = 0;
1477 s->y_base = 0;
1478 s->total_height = DEFAULT_BACKSCROLL;
1479 s->x = 0;
1480 s->y = 0;
1481 if (s->console_type == TEXT_CONSOLE) {
1482 s->g_width = ds_get_width(s->ds);
1483 s->g_height = ds_get_height(s->ds);
1484 }
1485
1486 s->hw_invalidate = text_console_invalidate;
1487 s->hw_text_update = text_console_update;
1488 s->hw = s;
1489
1490 /* Set text attribute defaults */
1491 s->t_attrib_default.bold = 0;
1492 s->t_attrib_default.uline = 0;
1493 s->t_attrib_default.blink = 0;
1494 s->t_attrib_default.invers = 0;
1495 s->t_attrib_default.unvisible = 0;
1496 s->t_attrib_default.fgcol = COLOR_WHITE;
1497 s->t_attrib_default.bgcol = COLOR_BLACK;
1498 /* set current text attributes to default */
1499 s->t_attrib = s->t_attrib_default;
1500 text_console_resize(s);
1501
1502 if (chr->label) {
1503 char msg[128];
1504 int len;
1505
1506 s->t_attrib.bgcol = COLOR_BLUE;
1507 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1508 console_puts(chr, (uint8_t*)msg, len);
1509 s->t_attrib = s->t_attrib_default;
1510 }
1511
1512 qemu_chr_generic_open(chr);
1513 if (chr->init)
1514 chr->init(chr);
1515 }
1516
1517 int text_console_init(QemuOpts *opts, CharDriverState **_chr)
1518 {
1519 CharDriverState *chr;
1520 TextConsole *s;
1521 unsigned width;
1522 unsigned height;
1523
1524 chr = g_malloc0(sizeof(CharDriverState));
1525
1526 if (n_text_consoles == 128) {
1527 fprintf(stderr, "Too many text consoles\n");
1528 exit(1);
1529 }
1530 text_consoles[n_text_consoles] = chr;
1531 n_text_consoles++;
1532
1533 width = qemu_opt_get_number(opts, "width", 0);
1534 if (width == 0)
1535 width = qemu_opt_get_number(opts, "cols", 0) * FONT_WIDTH;
1536
1537 height = qemu_opt_get_number(opts, "height", 0);
1538 if (height == 0)
1539 height = qemu_opt_get_number(opts, "rows", 0) * FONT_HEIGHT;
1540
1541 if (width == 0 || height == 0) {
1542 s = new_console(NULL, TEXT_CONSOLE);
1543 } else {
1544 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE);
1545 }
1546
1547 if (!s) {
1548 free(chr);
1549 return -EBUSY;
1550 }
1551
1552 s->chr = chr;
1553 s->g_width = width;
1554 s->g_height = height;
1555 chr->opaque = s;
1556 chr->chr_set_echo = text_console_set_echo;
1557
1558 *_chr = chr;
1559 return 0;
1560 }
1561
1562 void text_consoles_set_display(DisplayState *ds)
1563 {
1564 int i;
1565
1566 for (i = 0; i < n_text_consoles; i++) {
1567 text_console_do_init(text_consoles[i], ds);
1568 }
1569
1570 n_text_consoles = 0;
1571 }
1572
1573 void qemu_console_resize(DisplayState *ds, int width, int height)
1574 {
1575 TextConsole *s = get_graphic_console(ds);
1576 if (!s) return;
1577
1578 s->g_width = width;
1579 s->g_height = height;
1580 if (is_graphic_console()) {
1581 ds->surface = qemu_resize_displaysurface(ds, width, height);
1582 dpy_resize(ds);
1583 }
1584 }
1585
1586 void qemu_console_copy(DisplayState *ds, int src_x, int src_y,
1587 int dst_x, int dst_y, int w, int h)
1588 {
1589 if (is_graphic_console()) {
1590 dpy_copy(ds, src_x, src_y, dst_x, dst_y, w, h);
1591 }
1592 }
1593
1594 PixelFormat qemu_different_endianness_pixelformat(int bpp)
1595 {
1596 PixelFormat pf;
1597
1598 memset(&pf, 0x00, sizeof(PixelFormat));
1599
1600 pf.bits_per_pixel = bpp;
1601 pf.bytes_per_pixel = bpp / 8;
1602 pf.depth = bpp == 32 ? 24 : bpp;
1603
1604 switch (bpp) {
1605 case 24:
1606 pf.rmask = 0x000000FF;
1607 pf.gmask = 0x0000FF00;
1608 pf.bmask = 0x00FF0000;
1609 pf.rmax = 255;
1610 pf.gmax = 255;
1611 pf.bmax = 255;
1612 pf.rshift = 0;
1613 pf.gshift = 8;
1614 pf.bshift = 16;
1615 pf.rbits = 8;
1616 pf.gbits = 8;
1617 pf.bbits = 8;
1618 break;
1619 case 32:
1620 pf.rmask = 0x0000FF00;
1621 pf.gmask = 0x00FF0000;
1622 pf.bmask = 0xFF000000;
1623 pf.amask = 0x00000000;
1624 pf.amax = 255;
1625 pf.rmax = 255;
1626 pf.gmax = 255;
1627 pf.bmax = 255;
1628 pf.ashift = 0;
1629 pf.rshift = 8;
1630 pf.gshift = 16;
1631 pf.bshift = 24;
1632 pf.rbits = 8;
1633 pf.gbits = 8;
1634 pf.bbits = 8;
1635 pf.abits = 8;
1636 break;
1637 default:
1638 break;
1639 }
1640 return pf;
1641 }
1642
1643 PixelFormat qemu_default_pixelformat(int bpp)
1644 {
1645 PixelFormat pf;
1646
1647 memset(&pf, 0x00, sizeof(PixelFormat));
1648
1649 pf.bits_per_pixel = bpp;
1650 pf.bytes_per_pixel = bpp / 8;
1651 pf.depth = bpp == 32 ? 24 : bpp;
1652
1653 switch (bpp) {
1654 case 15:
1655 pf.bits_per_pixel = 16;
1656 pf.bytes_per_pixel = 2;
1657 pf.rmask = 0x00007c00;
1658 pf.gmask = 0x000003E0;
1659 pf.bmask = 0x0000001F;
1660 pf.rmax = 31;
1661 pf.gmax = 31;
1662 pf.bmax = 31;
1663 pf.rshift = 10;
1664 pf.gshift = 5;
1665 pf.bshift = 0;
1666 pf.rbits = 5;
1667 pf.gbits = 5;
1668 pf.bbits = 5;
1669 break;
1670 case 16:
1671 pf.rmask = 0x0000F800;
1672 pf.gmask = 0x000007E0;
1673 pf.bmask = 0x0000001F;
1674 pf.rmax = 31;
1675 pf.gmax = 63;
1676 pf.bmax = 31;
1677 pf.rshift = 11;
1678 pf.gshift = 5;
1679 pf.bshift = 0;
1680 pf.rbits = 5;
1681 pf.gbits = 6;
1682 pf.bbits = 5;
1683 break;
1684 case 24:
1685 pf.rmask = 0x00FF0000;
1686 pf.gmask = 0x0000FF00;
1687 pf.bmask = 0x000000FF;
1688 pf.rmax = 255;
1689 pf.gmax = 255;
1690 pf.bmax = 255;
1691 pf.rshift = 16;
1692 pf.gshift = 8;
1693 pf.bshift = 0;
1694 pf.rbits = 8;
1695 pf.gbits = 8;
1696 pf.bbits = 8;
1697 case 32:
1698 pf.rmask = 0x00FF0000;
1699 pf.gmask = 0x0000FF00;
1700 pf.bmask = 0x000000FF;
1701 pf.amax = 255;
1702 pf.rmax = 255;
1703 pf.gmax = 255;
1704 pf.bmax = 255;
1705 pf.ashift = 24;
1706 pf.rshift = 16;
1707 pf.gshift = 8;
1708 pf.bshift = 0;
1709 pf.rbits = 8;
1710 pf.gbits = 8;
1711 pf.bbits = 8;
1712 pf.abits = 8;
1713 break;
1714 default:
1715 break;
1716 }
1717 return pf;
1718 }
various patches