Fix the comment added in r5844.
[qemu/mini2440/sniper_sniper_test.git] / console.c
blob4e088d7a6f4e114f11d2d5843339808a201074e3
1 /*
2 * QEMU graphical console
4 * Copyright (c) 2004 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
24 #include "qemu-common.h"
25 #include "console.h"
26 #include "qemu-timer.h"
28 //#define DEBUG_CONSOLE
29 #define DEFAULT_BACKSCROLL 512
30 #define MAX_CONSOLES 12
31 #define DEFAULT_MONITOR_SIZE "800x600"
33 #define QEMU_RGBA(r, g, b, a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
34 #define QEMU_RGB(r, g, b) QEMU_RGBA(r, g, b, 0xff)
36 typedef struct TextAttributes {
37 uint8_t fgcol:4;
38 uint8_t bgcol:4;
39 uint8_t bold:1;
40 uint8_t uline:1;
41 uint8_t blink:1;
42 uint8_t invers:1;
43 uint8_t unvisible:1;
44 } TextAttributes;
46 typedef struct TextCell {
47 uint8_t ch;
48 TextAttributes t_attrib;
49 } TextCell;
51 #define MAX_ESC_PARAMS 3
53 enum TTYState {
54 TTY_STATE_NORM,
55 TTY_STATE_ESC,
56 TTY_STATE_CSI,
59 typedef struct QEMUFIFO {
60 uint8_t *buf;
61 int buf_size;
62 int count, wptr, rptr;
63 } QEMUFIFO;
65 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
67 int l, len;
69 l = f->buf_size - f->count;
70 if (len1 > l)
71 len1 = l;
72 len = len1;
73 while (len > 0) {
74 l = f->buf_size - f->wptr;
75 if (l > len)
76 l = len;
77 memcpy(f->buf + f->wptr, buf, l);
78 f->wptr += l;
79 if (f->wptr >= f->buf_size)
80 f->wptr = 0;
81 buf += l;
82 len -= l;
84 f->count += len1;
85 return len1;
88 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
90 int l, len;
92 if (len1 > f->count)
93 len1 = f->count;
94 len = len1;
95 while (len > 0) {
96 l = f->buf_size - f->rptr;
97 if (l > len)
98 l = len;
99 memcpy(buf, f->buf + f->rptr, l);
100 f->rptr += l;
101 if (f->rptr >= f->buf_size)
102 f->rptr = 0;
103 buf += l;
104 len -= l;
106 f->count -= len1;
107 return len1;
110 typedef enum {
111 GRAPHIC_CONSOLE,
112 TEXT_CONSOLE,
113 TEXT_CONSOLE_FIXED_SIZE
114 } console_type_t;
116 /* ??? This is mis-named.
117 It is used for both text and graphical consoles. */
118 struct TextConsole {
119 console_type_t console_type;
120 DisplayState *ds;
121 /* Graphic console state. */
122 vga_hw_update_ptr hw_update;
123 vga_hw_invalidate_ptr hw_invalidate;
124 vga_hw_screen_dump_ptr hw_screen_dump;
125 vga_hw_text_update_ptr hw_text_update;
126 void *hw;
128 int g_width, g_height;
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;
142 enum TTYState state;
143 int esc_params[MAX_ESC_PARAMS];
144 int nb_esc_params;
146 CharDriverState *chr;
147 /* fifo for key pressed */
148 QEMUFIFO out_fifo;
149 uint8_t out_fifo_buf[16];
150 QEMUTimer *kbd_timer;
153 static TextConsole *active_console;
154 static TextConsole *consoles[MAX_CONSOLES];
155 static int nb_consoles = 0;
157 void vga_hw_update(void)
159 if (active_console && active_console->hw_update)
160 active_console->hw_update(active_console->hw);
163 void vga_hw_invalidate(void)
165 if (active_console->hw_invalidate)
166 active_console->hw_invalidate(active_console->hw);
169 void vga_hw_screen_dump(const char *filename)
171 TextConsole *previous_active_console;
173 previous_active_console = active_console;
174 active_console = consoles[0];
175 /* There is currently no way of specifying which screen we want to dump,
176 so always dump the first one. */
177 if (consoles[0]->hw_screen_dump)
178 consoles[0]->hw_screen_dump(consoles[0]->hw, filename);
179 active_console = previous_active_console;
182 void vga_hw_text_update(console_ch_t *chardata)
184 if (active_console && active_console->hw_text_update)
185 active_console->hw_text_update(active_console->hw, chardata);
188 /* convert a RGBA color to a color index usable in graphic primitives */
189 static unsigned int vga_get_color(DisplayState *ds, unsigned int rgba)
191 unsigned int r, g, b, color;
193 switch(ds_get_bits_per_pixel(ds)) {
194 #if 0
195 case 8:
196 r = (rgba >> 16) & 0xff;
197 g = (rgba >> 8) & 0xff;
198 b = (rgba) & 0xff;
199 color = (rgb_to_index[r] * 6 * 6) +
200 (rgb_to_index[g] * 6) +
201 (rgb_to_index[b]);
202 break;
203 #endif
204 case 15:
205 r = (rgba >> 16) & 0xff;
206 g = (rgba >> 8) & 0xff;
207 b = (rgba) & 0xff;
208 color = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);
209 break;
210 case 16:
211 r = (rgba >> 16) & 0xff;
212 g = (rgba >> 8) & 0xff;
213 b = (rgba) & 0xff;
214 color = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
215 break;
216 case 32:
217 default:
218 color = rgba;
219 break;
221 return color;
224 static void vga_fill_rect (DisplayState *ds,
225 int posx, int posy, int width, int height, uint32_t color)
227 uint8_t *d, *d1;
228 int x, y, bpp;
230 bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
231 d1 = ds_get_data(ds) +
232 ds_get_linesize(ds) * posy + bpp * posx;
233 for (y = 0; y < height; y++) {
234 d = d1;
235 switch(bpp) {
236 case 1:
237 for (x = 0; x < width; x++) {
238 *((uint8_t *)d) = color;
239 d++;
241 break;
242 case 2:
243 for (x = 0; x < width; x++) {
244 *((uint16_t *)d) = color;
245 d += 2;
247 break;
248 case 4:
249 for (x = 0; x < width; x++) {
250 *((uint32_t *)d) = color;
251 d += 4;
253 break;
255 d1 += ds_get_linesize(ds);
259 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
260 static void vga_bitblt(DisplayState *ds, int xs, int ys, int xd, int yd, int w, int h)
262 const uint8_t *s;
263 uint8_t *d;
264 int wb, y, bpp;
266 bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
267 wb = w * bpp;
268 if (yd <= ys) {
269 s = ds_get_data(ds) +
270 ds_get_linesize(ds) * ys + bpp * xs;
271 d = ds_get_data(ds) +
272 ds_get_linesize(ds) * yd + bpp * xd;
273 for (y = 0; y < h; y++) {
274 memmove(d, s, wb);
275 d += ds_get_linesize(ds);
276 s += ds_get_linesize(ds);
278 } else {
279 s = ds_get_data(ds) +
280 ds_get_linesize(ds) * (ys + h - 1) + bpp * xs;
281 d = ds_get_data(ds) +
282 ds_get_linesize(ds) * (yd + h - 1) + bpp * xd;
283 for (y = 0; y < h; y++) {
284 memmove(d, s, wb);
285 d -= ds_get_linesize(ds);
286 s -= ds_get_linesize(ds);
291 /***********************************************************/
292 /* basic char display */
294 #define FONT_HEIGHT 16
295 #define FONT_WIDTH 8
297 #include "vgafont.h"
299 #define cbswap_32(__x) \
300 ((uint32_t)( \
301 (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
302 (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
303 (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
304 (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) ))
306 #ifdef WORDS_BIGENDIAN
307 #define PAT(x) x
308 #else
309 #define PAT(x) cbswap_32(x)
310 #endif
312 static const uint32_t dmask16[16] = {
313 PAT(0x00000000),
314 PAT(0x000000ff),
315 PAT(0x0000ff00),
316 PAT(0x0000ffff),
317 PAT(0x00ff0000),
318 PAT(0x00ff00ff),
319 PAT(0x00ffff00),
320 PAT(0x00ffffff),
321 PAT(0xff000000),
322 PAT(0xff0000ff),
323 PAT(0xff00ff00),
324 PAT(0xff00ffff),
325 PAT(0xffff0000),
326 PAT(0xffff00ff),
327 PAT(0xffffff00),
328 PAT(0xffffffff),
331 static const uint32_t dmask4[4] = {
332 PAT(0x00000000),
333 PAT(0x0000ffff),
334 PAT(0xffff0000),
335 PAT(0xffffffff),
338 static uint32_t color_table[2][8];
340 enum color_names {
341 COLOR_BLACK = 0,
342 COLOR_RED = 1,
343 COLOR_GREEN = 2,
344 COLOR_YELLOW = 3,
345 COLOR_BLUE = 4,
346 COLOR_MAGENTA = 5,
347 COLOR_CYAN = 6,
348 COLOR_WHITE = 7
351 static const uint32_t color_table_rgb[2][8] = {
352 { /* dark */
353 QEMU_RGB(0x00, 0x00, 0x00), /* black */
354 QEMU_RGB(0xaa, 0x00, 0x00), /* red */
355 QEMU_RGB(0x00, 0xaa, 0x00), /* green */
356 QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
357 QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
358 QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
359 QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
360 QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
362 { /* bright */
363 QEMU_RGB(0x00, 0x00, 0x00), /* black */
364 QEMU_RGB(0xff, 0x00, 0x00), /* red */
365 QEMU_RGB(0x00, 0xff, 0x00), /* green */
366 QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
367 QEMU_RGB(0x00, 0x00, 0xff), /* blue */
368 QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
369 QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
370 QEMU_RGB(0xff, 0xff, 0xff), /* white */
374 static inline unsigned int col_expand(DisplayState *ds, unsigned int col)
376 switch(ds_get_bits_per_pixel(ds)) {
377 case 8:
378 col |= col << 8;
379 col |= col << 16;
380 break;
381 case 15:
382 case 16:
383 col |= col << 16;
384 break;
385 default:
386 break;
389 return col;
391 #ifdef DEBUG_CONSOLE
392 static void console_print_text_attributes(TextAttributes *t_attrib, char ch)
394 if (t_attrib->bold) {
395 printf("b");
396 } else {
397 printf(" ");
399 if (t_attrib->uline) {
400 printf("u");
401 } else {
402 printf(" ");
404 if (t_attrib->blink) {
405 printf("l");
406 } else {
407 printf(" ");
409 if (t_attrib->invers) {
410 printf("i");
411 } else {
412 printf(" ");
414 if (t_attrib->unvisible) {
415 printf("n");
416 } else {
417 printf(" ");
420 printf(" fg: %d bg: %d ch:'%2X' '%c'\n", t_attrib->fgcol, t_attrib->bgcol, ch, ch);
422 #endif
424 static void vga_putcharxy(DisplayState *ds, int x, int y, int ch,
425 TextAttributes *t_attrib)
427 uint8_t *d;
428 const uint8_t *font_ptr;
429 unsigned int font_data, linesize, xorcol, bpp;
430 int i;
431 unsigned int fgcol, bgcol;
433 #ifdef DEBUG_CONSOLE
434 printf("x: %2i y: %2i", x, y);
435 console_print_text_attributes(t_attrib, ch);
436 #endif
438 if (t_attrib->invers) {
439 bgcol = color_table[t_attrib->bold][t_attrib->fgcol];
440 fgcol = color_table[t_attrib->bold][t_attrib->bgcol];
441 } else {
442 fgcol = color_table[t_attrib->bold][t_attrib->fgcol];
443 bgcol = color_table[t_attrib->bold][t_attrib->bgcol];
446 bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
447 d = ds_get_data(ds) +
448 ds_get_linesize(ds) * y * FONT_HEIGHT + bpp * x * FONT_WIDTH;
449 linesize = ds_get_linesize(ds);
450 font_ptr = vgafont16 + FONT_HEIGHT * ch;
451 xorcol = bgcol ^ fgcol;
452 switch(ds_get_bits_per_pixel(ds)) {
453 case 8:
454 for(i = 0; i < FONT_HEIGHT; i++) {
455 font_data = *font_ptr++;
456 if (t_attrib->uline
457 && ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) {
458 font_data = 0xFFFF;
460 ((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol;
461 ((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
462 d += linesize;
464 break;
465 case 16:
466 case 15:
467 for(i = 0; i < FONT_HEIGHT; i++) {
468 font_data = *font_ptr++;
469 if (t_attrib->uline
470 && ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) {
471 font_data = 0xFFFF;
473 ((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol;
474 ((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol;
475 ((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol;
476 ((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
477 d += linesize;
479 break;
480 case 32:
481 for(i = 0; i < FONT_HEIGHT; i++) {
482 font_data = *font_ptr++;
483 if (t_attrib->uline && ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) {
484 font_data = 0xFFFF;
486 ((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
487 ((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
488 ((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
489 ((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
490 ((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
491 ((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
492 ((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
493 ((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
494 d += linesize;
496 break;
500 static void text_console_resize(TextConsole *s)
502 TextCell *cells, *c, *c1;
503 int w1, x, y, last_width;
505 last_width = s->width;
506 s->width = s->g_width / FONT_WIDTH;
507 s->height = s->g_height / FONT_HEIGHT;
509 w1 = last_width;
510 if (s->width < w1)
511 w1 = s->width;
513 cells = qemu_malloc(s->width * s->total_height * sizeof(TextCell));
514 for(y = 0; y < s->total_height; y++) {
515 c = &cells[y * s->width];
516 if (w1 > 0) {
517 c1 = &s->cells[y * last_width];
518 for(x = 0; x < w1; x++) {
519 *c++ = *c1++;
522 for(x = w1; x < s->width; x++) {
523 c->ch = ' ';
524 c->t_attrib = s->t_attrib_default;
525 c++;
528 qemu_free(s->cells);
529 s->cells = cells;
532 static inline void text_update_xy(TextConsole *s, int x, int y)
534 s->text_x[0] = MIN(s->text_x[0], x);
535 s->text_x[1] = MAX(s->text_x[1], x);
536 s->text_y[0] = MIN(s->text_y[0], y);
537 s->text_y[1] = MAX(s->text_y[1], y);
540 static void update_xy(TextConsole *s, int x, int y)
542 TextCell *c;
543 int y1, y2;
545 if (s == active_console) {
546 if (!ds_get_bits_per_pixel(s->ds)) {
547 text_update_xy(s, x, y);
548 return;
551 y1 = (s->y_base + y) % s->total_height;
552 y2 = y1 - s->y_displayed;
553 if (y2 < 0)
554 y2 += s->total_height;
555 if (y2 < s->height) {
556 c = &s->cells[y1 * s->width + x];
557 vga_putcharxy(s->ds, x, y2, c->ch,
558 &(c->t_attrib));
559 dpy_update(s->ds, x * FONT_WIDTH, y2 * FONT_HEIGHT,
560 FONT_WIDTH, FONT_HEIGHT);
565 static void console_show_cursor(TextConsole *s, int show)
567 TextCell *c;
568 int y, y1;
570 if (s == active_console) {
571 int x = s->x;
573 if (!ds_get_bits_per_pixel(s->ds)) {
574 s->cursor_invalidate = 1;
575 return;
578 if (x >= s->width) {
579 x = s->width - 1;
581 y1 = (s->y_base + s->y) % s->total_height;
582 y = y1 - s->y_displayed;
583 if (y < 0)
584 y += s->total_height;
585 if (y < s->height) {
586 c = &s->cells[y1 * s->width + x];
587 if (show) {
588 TextAttributes t_attrib = s->t_attrib_default;
589 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
590 vga_putcharxy(s->ds, x, y, c->ch, &t_attrib);
591 } else {
592 vga_putcharxy(s->ds, x, y, c->ch, &(c->t_attrib));
594 dpy_update(s->ds, x * FONT_WIDTH, y * FONT_HEIGHT,
595 FONT_WIDTH, FONT_HEIGHT);
600 static void console_refresh(TextConsole *s)
602 TextCell *c;
603 int x, y, y1;
605 if (s != active_console)
606 return;
607 if (!ds_get_bits_per_pixel(s->ds)) {
608 s->text_x[0] = 0;
609 s->text_y[0] = 0;
610 s->text_x[1] = s->width - 1;
611 s->text_y[1] = s->height - 1;
612 s->cursor_invalidate = 1;
613 return;
616 vga_fill_rect(s->ds, 0, 0, ds_get_width(s->ds), ds_get_height(s->ds),
617 color_table[0][COLOR_BLACK]);
618 y1 = s->y_displayed;
619 for(y = 0; y < s->height; y++) {
620 c = s->cells + y1 * s->width;
621 for(x = 0; x < s->width; x++) {
622 vga_putcharxy(s->ds, x, y, c->ch,
623 &(c->t_attrib));
624 c++;
626 if (++y1 == s->total_height)
627 y1 = 0;
629 dpy_update(s->ds, 0, 0, ds_get_width(s->ds), ds_get_height(s->ds));
630 console_show_cursor(s, 1);
633 static void console_scroll(int ydelta)
635 TextConsole *s;
636 int i, y1;
638 s = active_console;
639 if (!s || (s->console_type == GRAPHIC_CONSOLE))
640 return;
642 if (ydelta > 0) {
643 for(i = 0; i < ydelta; i++) {
644 if (s->y_displayed == s->y_base)
645 break;
646 if (++s->y_displayed == s->total_height)
647 s->y_displayed = 0;
649 } else {
650 ydelta = -ydelta;
651 i = s->backscroll_height;
652 if (i > s->total_height - s->height)
653 i = s->total_height - s->height;
654 y1 = s->y_base - i;
655 if (y1 < 0)
656 y1 += s->total_height;
657 for(i = 0; i < ydelta; i++) {
658 if (s->y_displayed == y1)
659 break;
660 if (--s->y_displayed < 0)
661 s->y_displayed = s->total_height - 1;
664 console_refresh(s);
667 static void console_put_lf(TextConsole *s)
669 TextCell *c;
670 int x, y1;
672 s->y++;
673 if (s->y >= s->height) {
674 s->y = s->height - 1;
676 if (s->y_displayed == s->y_base) {
677 if (++s->y_displayed == s->total_height)
678 s->y_displayed = 0;
680 if (++s->y_base == s->total_height)
681 s->y_base = 0;
682 if (s->backscroll_height < s->total_height)
683 s->backscroll_height++;
684 y1 = (s->y_base + s->height - 1) % s->total_height;
685 c = &s->cells[y1 * s->width];
686 for(x = 0; x < s->width; x++) {
687 c->ch = ' ';
688 c->t_attrib = s->t_attrib_default;
689 c++;
691 if (s == active_console && s->y_displayed == s->y_base) {
692 if (!ds_get_bits_per_pixel(s->ds)) {
693 s->text_x[0] = 0;
694 s->text_y[0] = 0;
695 s->text_x[1] = s->width - 1;
696 s->text_y[1] = s->height - 1;
697 return;
700 vga_bitblt(s->ds, 0, FONT_HEIGHT, 0, 0,
701 s->width * FONT_WIDTH,
702 (s->height - 1) * FONT_HEIGHT);
703 vga_fill_rect(s->ds, 0, (s->height - 1) * FONT_HEIGHT,
704 s->width * FONT_WIDTH, FONT_HEIGHT,
705 color_table[0][s->t_attrib_default.bgcol]);
706 dpy_update(s->ds, 0, 0,
707 s->width * FONT_WIDTH, s->height * FONT_HEIGHT);
712 /* Set console attributes depending on the current escape codes.
713 * NOTE: I know this code is not very efficient (checking every color for it
714 * self) but it is more readable and better maintainable.
716 static void console_handle_escape(TextConsole *s)
718 int i;
720 for (i=0; i<s->nb_esc_params; i++) {
721 switch (s->esc_params[i]) {
722 case 0: /* reset all console attributes to default */
723 s->t_attrib = s->t_attrib_default;
724 break;
725 case 1:
726 s->t_attrib.bold = 1;
727 break;
728 case 4:
729 s->t_attrib.uline = 1;
730 break;
731 case 5:
732 s->t_attrib.blink = 1;
733 break;
734 case 7:
735 s->t_attrib.invers = 1;
736 break;
737 case 8:
738 s->t_attrib.unvisible = 1;
739 break;
740 case 22:
741 s->t_attrib.bold = 0;
742 break;
743 case 24:
744 s->t_attrib.uline = 0;
745 break;
746 case 25:
747 s->t_attrib.blink = 0;
748 break;
749 case 27:
750 s->t_attrib.invers = 0;
751 break;
752 case 28:
753 s->t_attrib.unvisible = 0;
754 break;
755 /* set foreground color */
756 case 30:
757 s->t_attrib.fgcol=COLOR_BLACK;
758 break;
759 case 31:
760 s->t_attrib.fgcol=COLOR_RED;
761 break;
762 case 32:
763 s->t_attrib.fgcol=COLOR_GREEN;
764 break;
765 case 33:
766 s->t_attrib.fgcol=COLOR_YELLOW;
767 break;
768 case 34:
769 s->t_attrib.fgcol=COLOR_BLUE;
770 break;
771 case 35:
772 s->t_attrib.fgcol=COLOR_MAGENTA;
773 break;
774 case 36:
775 s->t_attrib.fgcol=COLOR_CYAN;
776 break;
777 case 37:
778 s->t_attrib.fgcol=COLOR_WHITE;
779 break;
780 /* set background color */
781 case 40:
782 s->t_attrib.bgcol=COLOR_BLACK;
783 break;
784 case 41:
785 s->t_attrib.bgcol=COLOR_RED;
786 break;
787 case 42:
788 s->t_attrib.bgcol=COLOR_GREEN;
789 break;
790 case 43:
791 s->t_attrib.bgcol=COLOR_YELLOW;
792 break;
793 case 44:
794 s->t_attrib.bgcol=COLOR_BLUE;
795 break;
796 case 45:
797 s->t_attrib.bgcol=COLOR_MAGENTA;
798 break;
799 case 46:
800 s->t_attrib.bgcol=COLOR_CYAN;
801 break;
802 case 47:
803 s->t_attrib.bgcol=COLOR_WHITE;
804 break;
809 static void console_clear_xy(TextConsole *s, int x, int y)
811 int y1 = (s->y_base + y) % s->total_height;
812 TextCell *c = &s->cells[y1 * s->width + x];
813 c->ch = ' ';
814 c->t_attrib = s->t_attrib_default;
815 c++;
816 update_xy(s, x, y);
819 static void console_putchar(TextConsole *s, int ch)
821 TextCell *c;
822 int y1, i;
823 int x, y;
825 switch(s->state) {
826 case TTY_STATE_NORM:
827 switch(ch) {
828 case '\r': /* carriage return */
829 s->x = 0;
830 break;
831 case '\n': /* newline */
832 console_put_lf(s);
833 break;
834 case '\b': /* backspace */
835 if (s->x > 0)
836 s->x--;
837 break;
838 case '\t': /* tabspace */
839 if (s->x + (8 - (s->x % 8)) > s->width) {
840 s->x = 0;
841 console_put_lf(s);
842 } else {
843 s->x = s->x + (8 - (s->x % 8));
845 break;
846 case '\a': /* alert aka. bell */
847 /* TODO: has to be implemented */
848 break;
849 case 14:
850 /* SI (shift in), character set 0 (ignored) */
851 break;
852 case 15:
853 /* SO (shift out), character set 1 (ignored) */
854 break;
855 case 27: /* esc (introducing an escape sequence) */
856 s->state = TTY_STATE_ESC;
857 break;
858 default:
859 if (s->x >= s->width) {
860 /* line wrap */
861 s->x = 0;
862 console_put_lf(s);
864 y1 = (s->y_base + s->y) % s->total_height;
865 c = &s->cells[y1 * s->width + s->x];
866 c->ch = ch;
867 c->t_attrib = s->t_attrib;
868 update_xy(s, s->x, s->y);
869 s->x++;
870 break;
872 break;
873 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
874 if (ch == '[') {
875 for(i=0;i<MAX_ESC_PARAMS;i++)
876 s->esc_params[i] = 0;
877 s->nb_esc_params = 0;
878 s->state = TTY_STATE_CSI;
879 } else {
880 s->state = TTY_STATE_NORM;
882 break;
883 case TTY_STATE_CSI: /* handle escape sequence parameters */
884 if (ch >= '0' && ch <= '9') {
885 if (s->nb_esc_params < MAX_ESC_PARAMS) {
886 s->esc_params[s->nb_esc_params] =
887 s->esc_params[s->nb_esc_params] * 10 + ch - '0';
889 } else {
890 s->nb_esc_params++;
891 if (ch == ';')
892 break;
893 #ifdef DEBUG_CONSOLE
894 fprintf(stderr, "escape sequence CSI%d;%d%c, %d parameters\n",
895 s->esc_params[0], s->esc_params[1], ch, s->nb_esc_params);
896 #endif
897 s->state = TTY_STATE_NORM;
898 switch(ch) {
899 case 'A':
900 /* move cursor up */
901 if (s->esc_params[0] == 0) {
902 s->esc_params[0] = 1;
904 s->y -= s->esc_params[0];
905 if (s->y < 0) {
906 s->y = 0;
908 break;
909 case 'B':
910 /* move cursor down */
911 if (s->esc_params[0] == 0) {
912 s->esc_params[0] = 1;
914 s->y += s->esc_params[0];
915 if (s->y >= s->height) {
916 s->y = s->height - 1;
918 break;
919 case 'C':
920 /* move cursor right */
921 if (s->esc_params[0] == 0) {
922 s->esc_params[0] = 1;
924 s->x += s->esc_params[0];
925 if (s->x >= s->width) {
926 s->x = s->width - 1;
928 break;
929 case 'D':
930 /* move cursor left */
931 if (s->esc_params[0] == 0) {
932 s->esc_params[0] = 1;
934 s->x -= s->esc_params[0];
935 if (s->x < 0) {
936 s->x = 0;
938 break;
939 case 'G':
940 /* move cursor to column */
941 s->x = s->esc_params[0] - 1;
942 if (s->x < 0) {
943 s->x = 0;
945 break;
946 case 'f':
947 case 'H':
948 /* move cursor to row, column */
949 s->x = s->esc_params[1] - 1;
950 if (s->x < 0) {
951 s->x = 0;
953 s->y = s->esc_params[0] - 1;
954 if (s->y < 0) {
955 s->y = 0;
957 break;
958 case 'J':
959 switch (s->esc_params[0]) {
960 case 0:
961 /* clear to end of screen */
962 for (y = s->y; y < s->height; y++) {
963 for (x = 0; x < s->width; x++) {
964 if (y == s->y && x < s->x) {
965 continue;
967 console_clear_xy(s, x, y);
970 break;
971 case 1:
972 /* clear from beginning of screen */
973 for (y = 0; y <= s->y; y++) {
974 for (x = 0; x < s->width; x++) {
975 if (y == s->y && x > s->x) {
976 break;
978 console_clear_xy(s, x, y);
981 break;
982 case 2:
983 /* clear entire screen */
984 for (y = 0; y <= s->height; y++) {
985 for (x = 0; x < s->width; x++) {
986 console_clear_xy(s, x, y);
989 break;
991 case 'K':
992 switch (s->esc_params[0]) {
993 case 0:
994 /* clear to eol */
995 for(x = s->x; x < s->width; x++) {
996 console_clear_xy(s, x, s->y);
998 break;
999 case 1:
1000 /* clear from beginning of line */
1001 for (x = 0; x <= s->x; x++) {
1002 console_clear_xy(s, x, s->y);
1004 break;
1005 case 2:
1006 /* clear entire line */
1007 for(x = 0; x < s->width; x++) {
1008 console_clear_xy(s, x, s->y);
1010 break;
1012 break;
1013 case 'm':
1014 console_handle_escape(s);
1015 break;
1016 case 'n':
1017 /* report cursor position */
1018 /* TODO: send ESC[row;colR */
1019 break;
1020 case 's':
1021 /* save cursor position */
1022 s->x_saved = s->x;
1023 s->y_saved = s->y;
1024 break;
1025 case 'u':
1026 /* restore cursor position */
1027 s->x = s->x_saved;
1028 s->y = s->y_saved;
1029 break;
1030 default:
1031 #ifdef DEBUG_CONSOLE
1032 fprintf(stderr, "unhandled escape character '%c'\n", ch);
1033 #endif
1034 break;
1036 break;
1041 void console_select(unsigned int index)
1043 TextConsole *s;
1045 if (index >= MAX_CONSOLES)
1046 return;
1047 s = consoles[index];
1048 if (s) {
1049 active_console = s;
1050 if (s->console_type != TEXT_CONSOLE && s->g_width && s->g_height
1051 && (s->g_width != ds_get_width(s->ds) || s->g_height != ds_get_height(s->ds)))
1052 dpy_resize(s->ds, s->g_width, s->g_height);
1053 vga_hw_invalidate();
1057 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1059 TextConsole *s = chr->opaque;
1060 int i;
1062 console_show_cursor(s, 0);
1063 for(i = 0; i < len; i++) {
1064 console_putchar(s, buf[i]);
1066 console_show_cursor(s, 1);
1067 return len;
1070 static void console_send_event(CharDriverState *chr, int event)
1072 TextConsole *s = chr->opaque;
1073 int i;
1075 if (event == CHR_EVENT_FOCUS) {
1076 for(i = 0; i < nb_consoles; i++) {
1077 if (consoles[i] == s) {
1078 console_select(i);
1079 break;
1085 static void kbd_send_chars(void *opaque)
1087 TextConsole *s = opaque;
1088 int len;
1089 uint8_t buf[16];
1091 len = qemu_chr_can_read(s->chr);
1092 if (len > s->out_fifo.count)
1093 len = s->out_fifo.count;
1094 if (len > 0) {
1095 if (len > sizeof(buf))
1096 len = sizeof(buf);
1097 qemu_fifo_read(&s->out_fifo, buf, len);
1098 qemu_chr_read(s->chr, buf, len);
1100 /* characters are pending: we send them a bit later (XXX:
1101 horrible, should change char device API) */
1102 if (s->out_fifo.count > 0) {
1103 qemu_mod_timer(s->kbd_timer, qemu_get_clock(rt_clock) + 1);
1107 /* called when an ascii key is pressed */
1108 void kbd_put_keysym(int keysym)
1110 TextConsole *s;
1111 uint8_t buf[16], *q;
1112 int c;
1114 s = active_console;
1115 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1116 return;
1118 switch(keysym) {
1119 case QEMU_KEY_CTRL_UP:
1120 console_scroll(-1);
1121 break;
1122 case QEMU_KEY_CTRL_DOWN:
1123 console_scroll(1);
1124 break;
1125 case QEMU_KEY_CTRL_PAGEUP:
1126 console_scroll(-10);
1127 break;
1128 case QEMU_KEY_CTRL_PAGEDOWN:
1129 console_scroll(10);
1130 break;
1131 default:
1132 /* convert the QEMU keysym to VT100 key string */
1133 q = buf;
1134 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1135 *q++ = '\033';
1136 *q++ = '[';
1137 c = keysym - 0xe100;
1138 if (c >= 10)
1139 *q++ = '0' + (c / 10);
1140 *q++ = '0' + (c % 10);
1141 *q++ = '~';
1142 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1143 *q++ = '\033';
1144 *q++ = '[';
1145 *q++ = keysym & 0xff;
1146 } else {
1147 *q++ = keysym;
1149 if (s->chr->chr_read) {
1150 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1151 kbd_send_chars(s);
1153 break;
1157 static void text_console_invalidate(void *opaque)
1159 TextConsole *s = (TextConsole *) opaque;
1161 if (s->g_width != ds_get_width(s->ds) || s->g_height != ds_get_height(s->ds)) {
1162 if (s->console_type == TEXT_CONSOLE_FIXED_SIZE)
1163 dpy_resize(s->ds, s->g_width, s->g_height);
1164 else {
1165 s->g_width = ds_get_width(s->ds);
1166 s->g_height = ds_get_height(s->ds);
1167 text_console_resize(s);
1170 console_refresh(s);
1173 static void text_console_update(void *opaque, console_ch_t *chardata)
1175 TextConsole *s = (TextConsole *) opaque;
1176 int i, j, src;
1178 if (s->text_x[0] <= s->text_x[1]) {
1179 src = (s->y_base + s->text_y[0]) * s->width;
1180 chardata += s->text_y[0] * s->width;
1181 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1182 for (j = 0; j < s->width; j ++, src ++)
1183 console_write_ch(chardata ++, s->cells[src].ch |
1184 (s->cells[src].t_attrib.fgcol << 12) |
1185 (s->cells[src].t_attrib.bgcol << 8) |
1186 (s->cells[src].t_attrib.bold << 21));
1187 dpy_update(s->ds, s->text_x[0], s->text_y[0],
1188 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1189 s->text_x[0] = s->width;
1190 s->text_y[0] = s->height;
1191 s->text_x[1] = 0;
1192 s->text_y[1] = 0;
1194 if (s->cursor_invalidate) {
1195 dpy_cursor(s->ds, s->x, s->y);
1196 s->cursor_invalidate = 0;
1200 static TextConsole *new_console(DisplayState *ds, console_type_t console_type)
1202 TextConsole *s;
1203 int i;
1205 if (nb_consoles >= MAX_CONSOLES)
1206 return NULL;
1207 s = qemu_mallocz(sizeof(TextConsole));
1208 if (!s) {
1209 return NULL;
1211 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1212 (console_type == GRAPHIC_CONSOLE))) {
1213 active_console = s;
1215 s->ds = ds;
1216 s->console_type = console_type;
1217 if (console_type != GRAPHIC_CONSOLE) {
1218 consoles[nb_consoles++] = s;
1219 } else {
1220 /* HACK: Put graphical consoles before text consoles. */
1221 for (i = nb_consoles; i > 0; i--) {
1222 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1223 break;
1224 consoles[i] = consoles[i - 1];
1226 consoles[i] = s;
1228 return s;
1231 TextConsole *graphic_console_init(DisplayState *ds, vga_hw_update_ptr update,
1232 vga_hw_invalidate_ptr invalidate,
1233 vga_hw_screen_dump_ptr screen_dump,
1234 vga_hw_text_update_ptr text_update,
1235 void *opaque)
1237 TextConsole *s;
1239 s = new_console(ds, GRAPHIC_CONSOLE);
1240 if (!s)
1241 return NULL;
1242 s->hw_update = update;
1243 s->hw_invalidate = invalidate;
1244 s->hw_screen_dump = screen_dump;
1245 s->hw_text_update = text_update;
1246 s->hw = opaque;
1247 return s;
1250 int is_graphic_console(void)
1252 return active_console && active_console->console_type == GRAPHIC_CONSOLE;
1255 int is_fixedsize_console(void)
1257 return active_console && active_console->console_type != TEXT_CONSOLE;
1260 void console_color_init(DisplayState *ds)
1262 int i, j;
1263 for (j = 0; j < 2; j++) {
1264 for (i = 0; i < 8; i++) {
1265 color_table[j][i] = col_expand(ds,
1266 vga_get_color(ds, color_table_rgb[j][i]));
1271 CharDriverState *text_console_init(DisplayState *ds, const char *p)
1273 CharDriverState *chr;
1274 TextConsole *s;
1275 unsigned width;
1276 unsigned height;
1277 static int color_inited;
1279 chr = qemu_mallocz(sizeof(CharDriverState));
1280 if (!chr)
1281 return NULL;
1282 s = new_console(ds, (p == 0) ? TEXT_CONSOLE : TEXT_CONSOLE_FIXED_SIZE);
1283 if (!s) {
1284 free(chr);
1285 return NULL;
1287 chr->opaque = s;
1288 chr->chr_write = console_puts;
1289 chr->chr_send_event = console_send_event;
1291 s->chr = chr;
1292 s->out_fifo.buf = s->out_fifo_buf;
1293 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1294 s->kbd_timer = qemu_new_timer(rt_clock, kbd_send_chars, s);
1296 if (!color_inited) {
1297 color_inited = 1;
1298 console_color_init(s->ds);
1300 s->y_displayed = 0;
1301 s->y_base = 0;
1302 s->total_height = DEFAULT_BACKSCROLL;
1303 s->x = 0;
1304 s->y = 0;
1305 width = ds_get_width(s->ds);
1306 height = ds_get_height(s->ds);
1307 if (p != 0) {
1308 width = strtoul(p, (char **)&p, 10);
1309 if (*p == 'C') {
1310 p++;
1311 width *= FONT_WIDTH;
1313 if (*p == 'x') {
1314 p++;
1315 height = strtoul(p, (char **)&p, 10);
1316 if (*p == 'C') {
1317 p++;
1318 height *= FONT_HEIGHT;
1322 s->g_width = width;
1323 s->g_height = height;
1325 s->hw_invalidate = text_console_invalidate;
1326 s->hw_text_update = text_console_update;
1327 s->hw = s;
1329 /* Set text attribute defaults */
1330 s->t_attrib_default.bold = 0;
1331 s->t_attrib_default.uline = 0;
1332 s->t_attrib_default.blink = 0;
1333 s->t_attrib_default.invers = 0;
1334 s->t_attrib_default.unvisible = 0;
1335 s->t_attrib_default.fgcol = COLOR_WHITE;
1336 s->t_attrib_default.bgcol = COLOR_BLACK;
1338 /* set current text attributes to default */
1339 s->t_attrib = s->t_attrib_default;
1340 text_console_resize(s);
1342 qemu_chr_reset(chr);
1344 return chr;
1347 void qemu_console_resize(QEMUConsole *console, int width, int height)
1349 if (console->g_width != width || console->g_height != height
1350 || !ds_get_data(console->ds)) {
1351 console->g_width = width;
1352 console->g_height = height;
1353 if (active_console == console) {
1354 dpy_resize(console->ds, width, height);
1359 void qemu_console_copy(QEMUConsole *console, int src_x, int src_y,
1360 int dst_x, int dst_y, int w, int h)
1362 if (active_console == console) {
1363 if (console->ds->dpy_copy)
1364 console->ds->dpy_copy(console->ds,
1365 src_x, src_y, dst_x, dst_y, w, h);
1366 else {
1367 /* TODO */
1368 console->ds->dpy_update(console->ds, dst_x, dst_y, w, h);