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1 | /* | |
2 | * QEMU graphical console | |
3 | * | |
4 | * Copyright (c) 2004 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #include "qemu-common.h" | |
25 | #include "ui/console.h" | |
26 | #include "qemu/timer.h" | |
27 | #include "qmp-commands.h" | |
28 | #include "sysemu/char.h" | |
29 | ||
30 | //#define DEBUG_CONSOLE | |
31 | #define DEFAULT_BACKSCROLL 512 | |
32 | #define MAX_CONSOLES 12 | |
33 | #define CONSOLE_CURSOR_PERIOD 500 | |
34 | ||
35 | typedef struct TextAttributes { | |
36 | uint8_t fgcol:4; | |
37 | uint8_t bgcol:4; | |
38 | uint8_t bold:1; | |
39 | uint8_t uline:1; | |
40 | uint8_t blink:1; | |
41 | uint8_t invers:1; | |
42 | uint8_t unvisible:1; | |
43 | } TextAttributes; | |
44 | ||
45 | typedef struct TextCell { | |
46 | uint8_t ch; | |
47 | TextAttributes t_attrib; | |
48 | } TextCell; | |
49 | ||
50 | #define MAX_ESC_PARAMS 3 | |
51 | ||
52 | enum TTYState { | |
53 | TTY_STATE_NORM, | |
54 | TTY_STATE_ESC, | |
55 | TTY_STATE_CSI, | |
56 | }; | |
57 | ||
58 | typedef struct QEMUFIFO { | |
59 | uint8_t *buf; | |
60 | int buf_size; | |
61 | int count, wptr, rptr; | |
62 | } QEMUFIFO; | |
63 | ||
64 | static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1) | |
65 | { | |
66 | int l, len; | |
67 | ||
68 | l = f->buf_size - f->count; | |
69 | if (len1 > l) | |
70 | len1 = l; | |
71 | len = len1; | |
72 | while (len > 0) { | |
73 | l = f->buf_size - f->wptr; | |
74 | if (l > len) | |
75 | l = len; | |
76 | memcpy(f->buf + f->wptr, buf, l); | |
77 | f->wptr += l; | |
78 | if (f->wptr >= f->buf_size) | |
79 | f->wptr = 0; | |
80 | buf += l; | |
81 | len -= l; | |
82 | } | |
83 | f->count += len1; | |
84 | return len1; | |
85 | } | |
86 | ||
87 | static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1) | |
88 | { | |
89 | int l, len; | |
90 | ||
91 | if (len1 > f->count) | |
92 | len1 = f->count; | |
93 | len = len1; | |
94 | while (len > 0) { | |
95 | l = f->buf_size - f->rptr; | |
96 | if (l > len) | |
97 | l = len; | |
98 | memcpy(buf, f->buf + f->rptr, l); | |
99 | f->rptr += l; | |
100 | if (f->rptr >= f->buf_size) | |
101 | f->rptr = 0; | |
102 | buf += l; | |
103 | len -= l; | |
104 | } | |
105 | f->count -= len1; | |
106 | return len1; | |
107 | } | |
108 | ||
109 | typedef enum { | |
110 | GRAPHIC_CONSOLE, | |
111 | TEXT_CONSOLE, | |
112 | TEXT_CONSOLE_FIXED_SIZE | |
113 | } console_type_t; | |
114 | ||
115 | struct QemuConsole { | |
116 | int index; | |
117 | console_type_t console_type; | |
118 | DisplayState *ds; | |
119 | DisplaySurface *surface; | |
120 | ||
121 | /* Graphic console state. */ | |
122 | const GraphicHwOps *hw_ops; | |
123 | void *hw; | |
124 | ||
125 | /* Text console state */ | |
126 | int width; | |
127 | int height; | |
128 | int total_height; | |
129 | int backscroll_height; | |
130 | int x, y; | |
131 | int x_saved, y_saved; | |
132 | int y_displayed; | |
133 | int y_base; | |
134 | TextAttributes t_attrib_default; /* default text attributes */ | |
135 | TextAttributes t_attrib; /* currently active text attributes */ | |
136 | TextCell *cells; | |
137 | int text_x[2], text_y[2], cursor_invalidate; | |
138 | int echo; | |
139 | bool cursor_visible_phase; | |
140 | QEMUTimer *cursor_timer; | |
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 | struct DisplayState { | |
159 | struct QEMUTimer *gui_timer; | |
160 | bool have_gfx; | |
161 | bool have_text; | |
162 | ||
163 | QLIST_HEAD(, DisplayChangeListener) listeners; | |
164 | }; | |
165 | ||
166 | static DisplayState *display_state; | |
167 | static QemuConsole *active_console; | |
168 | static QemuConsole *consoles[MAX_CONSOLES]; | |
169 | static int nb_consoles = 0; | |
170 | ||
171 | static void text_console_do_init(CharDriverState *chr, DisplayState *ds); | |
172 | static void dpy_gfx_switch_surface(DisplayState *ds, | |
173 | DisplaySurface *surface); | |
174 | ||
175 | static void gui_update(void *opaque) | |
176 | { | |
177 | uint64_t interval = GUI_REFRESH_INTERVAL; | |
178 | DisplayState *ds = opaque; | |
179 | DisplayChangeListener *dcl; | |
180 | ||
181 | dpy_refresh(ds); | |
182 | ||
183 | QLIST_FOREACH(dcl, &ds->listeners, next) { | |
184 | if (dcl->gui_timer_interval && | |
185 | dcl->gui_timer_interval < interval) { | |
186 | interval = dcl->gui_timer_interval; | |
187 | } | |
188 | } | |
189 | qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock)); | |
190 | } | |
191 | ||
192 | static void gui_setup_refresh(DisplayState *ds) | |
193 | { | |
194 | DisplayChangeListener *dcl; | |
195 | bool need_timer = false; | |
196 | bool have_gfx = false; | |
197 | bool have_text = false; | |
198 | ||
199 | QLIST_FOREACH(dcl, &ds->listeners, next) { | |
200 | if (dcl->ops->dpy_refresh != NULL) { | |
201 | need_timer = true; | |
202 | } | |
203 | if (dcl->ops->dpy_gfx_update != NULL) { | |
204 | have_gfx = true; | |
205 | } | |
206 | if (dcl->ops->dpy_text_update != NULL) { | |
207 | have_text = true; | |
208 | } | |
209 | } | |
210 | ||
211 | if (need_timer && ds->gui_timer == NULL) { | |
212 | ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds); | |
213 | qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock)); | |
214 | } | |
215 | if (!need_timer && ds->gui_timer != NULL) { | |
216 | qemu_del_timer(ds->gui_timer); | |
217 | qemu_free_timer(ds->gui_timer); | |
218 | ds->gui_timer = NULL; | |
219 | } | |
220 | ||
221 | ds->have_gfx = have_gfx; | |
222 | ds->have_text = have_text; | |
223 | } | |
224 | ||
225 | void graphic_hw_update(QemuConsole *con) | |
226 | { | |
227 | if (!con) { | |
228 | con = active_console; | |
229 | } | |
230 | if (con && con->hw_ops->gfx_update) { | |
231 | con->hw_ops->gfx_update(con->hw); | |
232 | } | |
233 | } | |
234 | ||
235 | void graphic_hw_invalidate(QemuConsole *con) | |
236 | { | |
237 | if (!con) { | |
238 | con = active_console; | |
239 | } | |
240 | if (con && con->hw_ops->invalidate) { | |
241 | con->hw_ops->invalidate(con->hw); | |
242 | } | |
243 | } | |
244 | ||
245 | static void ppm_save(const char *filename, struct DisplaySurface *ds, | |
246 | Error **errp) | |
247 | { | |
248 | int width = pixman_image_get_width(ds->image); | |
249 | int height = pixman_image_get_height(ds->image); | |
250 | FILE *f; | |
251 | int y; | |
252 | int ret; | |
253 | pixman_image_t *linebuf; | |
254 | ||
255 | trace_ppm_save(filename, ds); | |
256 | f = fopen(filename, "wb"); | |
257 | if (!f) { | |
258 | error_setg(errp, "failed to open file '%s': %s", filename, | |
259 | strerror(errno)); | |
260 | return; | |
261 | } | |
262 | ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255); | |
263 | if (ret < 0) { | |
264 | linebuf = NULL; | |
265 | goto write_err; | |
266 | } | |
267 | linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width); | |
268 | for (y = 0; y < height; y++) { | |
269 | qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y); | |
270 | clearerr(f); | |
271 | ret = fwrite(pixman_image_get_data(linebuf), 1, | |
272 | pixman_image_get_stride(linebuf), f); | |
273 | (void)ret; | |
274 | if (ferror(f)) { | |
275 | goto write_err; | |
276 | } | |
277 | } | |
278 | ||
279 | out: | |
280 | qemu_pixman_image_unref(linebuf); | |
281 | fclose(f); | |
282 | return; | |
283 | ||
284 | write_err: | |
285 | error_setg(errp, "failed to write to file '%s': %s", filename, | |
286 | strerror(errno)); | |
287 | unlink(filename); | |
288 | goto out; | |
289 | } | |
290 | ||
291 | void qmp_screendump(const char *filename, Error **errp) | |
292 | { | |
293 | QemuConsole *con = consoles[0]; | |
294 | DisplaySurface *surface; | |
295 | ||
296 | if (con == NULL) { | |
297 | error_setg(errp, "There is no QemuConsole I can screendump from."); | |
298 | return; | |
299 | } | |
300 | ||
301 | graphic_hw_update(con); | |
302 | surface = qemu_console_surface(con); | |
303 | ppm_save(filename, surface, errp); | |
304 | } | |
305 | ||
306 | void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata) | |
307 | { | |
308 | if (!con) { | |
309 | con = active_console; | |
310 | } | |
311 | if (con && con->hw_ops->text_update) { | |
312 | con->hw_ops->text_update(con->hw, chardata); | |
313 | } | |
314 | } | |
315 | ||
316 | static void vga_fill_rect(QemuConsole *con, | |
317 | int posx, int posy, int width, int height, | |
318 | pixman_color_t color) | |
319 | { | |
320 | DisplaySurface *surface = qemu_console_surface(con); | |
321 | pixman_rectangle16_t rect = { | |
322 | .x = posx, .y = posy, .width = width, .height = height | |
323 | }; | |
324 | ||
325 | pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image, | |
326 | &color, 1, &rect); | |
327 | } | |
328 | ||
329 | /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */ | |
330 | static void vga_bitblt(QemuConsole *con, | |
331 | int xs, int ys, int xd, int yd, int w, int h) | |
332 | { | |
333 | DisplaySurface *surface = qemu_console_surface(con); | |
334 | ||
335 | pixman_image_composite(PIXMAN_OP_SRC, | |
336 | surface->image, NULL, surface->image, | |
337 | xs, ys, 0, 0, xd, yd, w, h); | |
338 | } | |
339 | ||
340 | /***********************************************************/ | |
341 | /* basic char display */ | |
342 | ||
343 | #define FONT_HEIGHT 16 | |
344 | #define FONT_WIDTH 8 | |
345 | ||
346 | #include "vgafont.h" | |
347 | ||
348 | #ifndef CONFIG_CURSES | |
349 | enum color_names { | |
350 | COLOR_BLACK = 0, | |
351 | COLOR_RED = 1, | |
352 | COLOR_GREEN = 2, | |
353 | COLOR_YELLOW = 3, | |
354 | COLOR_BLUE = 4, | |
355 | COLOR_MAGENTA = 5, | |
356 | COLOR_CYAN = 6, | |
357 | COLOR_WHITE = 7 | |
358 | }; | |
359 | #endif | |
360 | ||
361 | #define QEMU_RGB(r, g, b) \ | |
362 | { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff } | |
363 | ||
364 | static const pixman_color_t color_table_rgb[2][8] = { | |
365 | { /* dark */ | |
366 | QEMU_RGB(0x00, 0x00, 0x00), /* black */ | |
367 | QEMU_RGB(0xaa, 0x00, 0x00), /* red */ | |
368 | QEMU_RGB(0x00, 0xaa, 0x00), /* green */ | |
369 | QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */ | |
370 | QEMU_RGB(0x00, 0x00, 0xaa), /* blue */ | |
371 | QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */ | |
372 | QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */ | |
373 | QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */ | |
374 | }, | |
375 | { /* bright */ | |
376 | QEMU_RGB(0x00, 0x00, 0x00), /* black */ | |
377 | QEMU_RGB(0xff, 0x00, 0x00), /* red */ | |
378 | QEMU_RGB(0x00, 0xff, 0x00), /* green */ | |
379 | QEMU_RGB(0xff, 0xff, 0x00), /* yellow */ | |
380 | QEMU_RGB(0x00, 0x00, 0xff), /* blue */ | |
381 | QEMU_RGB(0xff, 0x00, 0xff), /* magenta */ | |
382 | QEMU_RGB(0x00, 0xff, 0xff), /* cyan */ | |
383 | QEMU_RGB(0xff, 0xff, 0xff), /* white */ | |
384 | } | |
385 | }; | |
386 | ||
387 | #ifdef DEBUG_CONSOLE | |
388 | static void console_print_text_attributes(TextAttributes *t_attrib, char ch) | |
389 | { | |
390 | if (t_attrib->bold) { | |
391 | printf("b"); | |
392 | } else { | |
393 | printf(" "); | |
394 | } | |
395 | if (t_attrib->uline) { | |
396 | printf("u"); | |
397 | } else { | |
398 | printf(" "); | |
399 | } | |
400 | if (t_attrib->blink) { | |
401 | printf("l"); | |
402 | } else { | |
403 | printf(" "); | |
404 | } | |
405 | if (t_attrib->invers) { | |
406 | printf("i"); | |
407 | } else { | |
408 | printf(" "); | |
409 | } | |
410 | if (t_attrib->unvisible) { | |
411 | printf("n"); | |
412 | } else { | |
413 | printf(" "); | |
414 | } | |
415 | ||
416 | printf(" fg: %d bg: %d ch:'%2X' '%c'\n", t_attrib->fgcol, t_attrib->bgcol, ch, ch); | |
417 | } | |
418 | #endif | |
419 | ||
420 | static void vga_putcharxy(QemuConsole *s, int x, int y, int ch, | |
421 | TextAttributes *t_attrib) | |
422 | { | |
423 | static pixman_image_t *glyphs[256]; | |
424 | DisplaySurface *surface = qemu_console_surface(s); | |
425 | pixman_color_t fgcol, bgcol; | |
426 | ||
427 | if (t_attrib->invers) { | |
428 | bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol]; | |
429 | fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol]; | |
430 | } else { | |
431 | fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol]; | |
432 | bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol]; | |
433 | } | |
434 | ||
435 | if (!glyphs[ch]) { | |
436 | glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch); | |
437 | } | |
438 | qemu_pixman_glyph_render(glyphs[ch], surface->image, | |
439 | &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT); | |
440 | } | |
441 | ||
442 | static void text_console_resize(QemuConsole *s) | |
443 | { | |
444 | TextCell *cells, *c, *c1; | |
445 | int w1, x, y, last_width; | |
446 | ||
447 | last_width = s->width; | |
448 | s->width = surface_width(s->surface) / FONT_WIDTH; | |
449 | s->height = surface_height(s->surface) / FONT_HEIGHT; | |
450 | ||
451 | w1 = last_width; | |
452 | if (s->width < w1) | |
453 | w1 = s->width; | |
454 | ||
455 | cells = g_malloc(s->width * s->total_height * sizeof(TextCell)); | |
456 | for(y = 0; y < s->total_height; y++) { | |
457 | c = &cells[y * s->width]; | |
458 | if (w1 > 0) { | |
459 | c1 = &s->cells[y * last_width]; | |
460 | for(x = 0; x < w1; x++) { | |
461 | *c++ = *c1++; | |
462 | } | |
463 | } | |
464 | for(x = w1; x < s->width; x++) { | |
465 | c->ch = ' '; | |
466 | c->t_attrib = s->t_attrib_default; | |
467 | c++; | |
468 | } | |
469 | } | |
470 | g_free(s->cells); | |
471 | s->cells = cells; | |
472 | } | |
473 | ||
474 | static inline void text_update_xy(QemuConsole *s, int x, int y) | |
475 | { | |
476 | s->text_x[0] = MIN(s->text_x[0], x); | |
477 | s->text_x[1] = MAX(s->text_x[1], x); | |
478 | s->text_y[0] = MIN(s->text_y[0], y); | |
479 | s->text_y[1] = MAX(s->text_y[1], y); | |
480 | } | |
481 | ||
482 | static void invalidate_xy(QemuConsole *s, int x, int y) | |
483 | { | |
484 | if (s->update_x0 > x * FONT_WIDTH) | |
485 | s->update_x0 = x * FONT_WIDTH; | |
486 | if (s->update_y0 > y * FONT_HEIGHT) | |
487 | s->update_y0 = y * FONT_HEIGHT; | |
488 | if (s->update_x1 < (x + 1) * FONT_WIDTH) | |
489 | s->update_x1 = (x + 1) * FONT_WIDTH; | |
490 | if (s->update_y1 < (y + 1) * FONT_HEIGHT) | |
491 | s->update_y1 = (y + 1) * FONT_HEIGHT; | |
492 | } | |
493 | ||
494 | static void update_xy(QemuConsole *s, int x, int y) | |
495 | { | |
496 | TextCell *c; | |
497 | int y1, y2; | |
498 | ||
499 | if (s != active_console) { | |
500 | return; | |
501 | } | |
502 | ||
503 | if (s->ds->have_text) { | |
504 | text_update_xy(s, x, y); | |
505 | } | |
506 | ||
507 | if (s->ds->have_gfx) { | |
508 | y1 = (s->y_base + y) % s->total_height; | |
509 | y2 = y1 - s->y_displayed; | |
510 | if (y2 < 0) | |
511 | y2 += s->total_height; | |
512 | if (y2 < s->height) { | |
513 | c = &s->cells[y1 * s->width + x]; | |
514 | vga_putcharxy(s, x, y2, c->ch, | |
515 | &(c->t_attrib)); | |
516 | invalidate_xy(s, x, y2); | |
517 | } | |
518 | } | |
519 | } | |
520 | ||
521 | static void console_show_cursor(QemuConsole *s, int show) | |
522 | { | |
523 | TextCell *c; | |
524 | int y, y1; | |
525 | int x = s->x; | |
526 | ||
527 | if (s != active_console) { | |
528 | return; | |
529 | } | |
530 | ||
531 | if (s->ds->have_text) { | |
532 | s->cursor_invalidate = 1; | |
533 | } | |
534 | ||
535 | if (s->ds->have_gfx) { | |
536 | if (x >= s->width) { | |
537 | x = s->width - 1; | |
538 | } | |
539 | y1 = (s->y_base + s->y) % s->total_height; | |
540 | y = y1 - s->y_displayed; | |
541 | if (y < 0) | |
542 | y += s->total_height; | |
543 | if (y < s->height) { | |
544 | c = &s->cells[y1 * s->width + x]; | |
545 | if (show && s->cursor_visible_phase) { | |
546 | TextAttributes t_attrib = s->t_attrib_default; | |
547 | t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */ | |
548 | vga_putcharxy(s, x, y, c->ch, &t_attrib); | |
549 | } else { | |
550 | vga_putcharxy(s, x, y, c->ch, &(c->t_attrib)); | |
551 | } | |
552 | invalidate_xy(s, x, y); | |
553 | } | |
554 | } | |
555 | } | |
556 | ||
557 | static void console_refresh(QemuConsole *s) | |
558 | { | |
559 | DisplaySurface *surface = qemu_console_surface(s); | |
560 | TextCell *c; | |
561 | int x, y, y1; | |
562 | ||
563 | if (s != active_console) | |
564 | return; | |
565 | ||
566 | if (s->ds->have_text) { | |
567 | s->text_x[0] = 0; | |
568 | s->text_y[0] = 0; | |
569 | s->text_x[1] = s->width - 1; | |
570 | s->text_y[1] = s->height - 1; | |
571 | s->cursor_invalidate = 1; | |
572 | } | |
573 | ||
574 | if (s->ds->have_gfx) { | |
575 | vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface), | |
576 | color_table_rgb[0][COLOR_BLACK]); | |
577 | y1 = s->y_displayed; | |
578 | for (y = 0; y < s->height; y++) { | |
579 | c = s->cells + y1 * s->width; | |
580 | for (x = 0; x < s->width; x++) { | |
581 | vga_putcharxy(s, x, y, c->ch, | |
582 | &(c->t_attrib)); | |
583 | c++; | |
584 | } | |
585 | if (++y1 == s->total_height) { | |
586 | y1 = 0; | |
587 | } | |
588 | } | |
589 | console_show_cursor(s, 1); | |
590 | dpy_gfx_update(s, 0, 0, | |
591 | surface_width(surface), surface_height(surface)); | |
592 | } | |
593 | } | |
594 | ||
595 | static void console_scroll(int ydelta) | |
596 | { | |
597 | QemuConsole *s; | |
598 | int i, y1; | |
599 | ||
600 | s = active_console; | |
601 | if (!s || (s->console_type == GRAPHIC_CONSOLE)) | |
602 | return; | |
603 | ||
604 | if (ydelta > 0) { | |
605 | for(i = 0; i < ydelta; i++) { | |
606 | if (s->y_displayed == s->y_base) | |
607 | break; | |
608 | if (++s->y_displayed == s->total_height) | |
609 | s->y_displayed = 0; | |
610 | } | |
611 | } else { | |
612 | ydelta = -ydelta; | |
613 | i = s->backscroll_height; | |
614 | if (i > s->total_height - s->height) | |
615 | i = s->total_height - s->height; | |
616 | y1 = s->y_base - i; | |
617 | if (y1 < 0) | |
618 | y1 += s->total_height; | |
619 | for(i = 0; i < ydelta; i++) { | |
620 | if (s->y_displayed == y1) | |
621 | break; | |
622 | if (--s->y_displayed < 0) | |
623 | s->y_displayed = s->total_height - 1; | |
624 | } | |
625 | } | |
626 | console_refresh(s); | |
627 | } | |
628 | ||
629 | static void console_put_lf(QemuConsole *s) | |
630 | { | |
631 | TextCell *c; | |
632 | int x, y1; | |
633 | ||
634 | s->y++; | |
635 | if (s->y >= s->height) { | |
636 | s->y = s->height - 1; | |
637 | ||
638 | if (s->y_displayed == s->y_base) { | |
639 | if (++s->y_displayed == s->total_height) | |
640 | s->y_displayed = 0; | |
641 | } | |
642 | if (++s->y_base == s->total_height) | |
643 | s->y_base = 0; | |
644 | if (s->backscroll_height < s->total_height) | |
645 | s->backscroll_height++; | |
646 | y1 = (s->y_base + s->height - 1) % s->total_height; | |
647 | c = &s->cells[y1 * s->width]; | |
648 | for(x = 0; x < s->width; x++) { | |
649 | c->ch = ' '; | |
650 | c->t_attrib = s->t_attrib_default; | |
651 | c++; | |
652 | } | |
653 | if (s == active_console && s->y_displayed == s->y_base) { | |
654 | if (s->ds->have_text) { | |
655 | s->text_x[0] = 0; | |
656 | s->text_y[0] = 0; | |
657 | s->text_x[1] = s->width - 1; | |
658 | s->text_y[1] = s->height - 1; | |
659 | } | |
660 | ||
661 | if (s->ds->have_gfx) { | |
662 | vga_bitblt(s, 0, FONT_HEIGHT, 0, 0, | |
663 | s->width * FONT_WIDTH, | |
664 | (s->height - 1) * FONT_HEIGHT); | |
665 | vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT, | |
666 | s->width * FONT_WIDTH, FONT_HEIGHT, | |
667 | color_table_rgb[0][s->t_attrib_default.bgcol]); | |
668 | s->update_x0 = 0; | |
669 | s->update_y0 = 0; | |
670 | s->update_x1 = s->width * FONT_WIDTH; | |
671 | s->update_y1 = s->height * FONT_HEIGHT; | |
672 | } | |
673 | } | |
674 | } | |
675 | } | |
676 | ||
677 | /* Set console attributes depending on the current escape codes. | |
678 | * NOTE: I know this code is not very efficient (checking every color for it | |
679 | * self) but it is more readable and better maintainable. | |
680 | */ | |
681 | static void console_handle_escape(QemuConsole *s) | |
682 | { | |
683 | int i; | |
684 | ||
685 | for (i=0; i<s->nb_esc_params; i++) { | |
686 | switch (s->esc_params[i]) { | |
687 | case 0: /* reset all console attributes to default */ | |
688 | s->t_attrib = s->t_attrib_default; | |
689 | break; | |
690 | case 1: | |
691 | s->t_attrib.bold = 1; | |
692 | break; | |
693 | case 4: | |
694 | s->t_attrib.uline = 1; | |
695 | break; | |
696 | case 5: | |
697 | s->t_attrib.blink = 1; | |
698 | break; | |
699 | case 7: | |
700 | s->t_attrib.invers = 1; | |
701 | break; | |
702 | case 8: | |
703 | s->t_attrib.unvisible = 1; | |
704 | break; | |
705 | case 22: | |
706 | s->t_attrib.bold = 0; | |
707 | break; | |
708 | case 24: | |
709 | s->t_attrib.uline = 0; | |
710 | break; | |
711 | case 25: | |
712 | s->t_attrib.blink = 0; | |
713 | break; | |
714 | case 27: | |
715 | s->t_attrib.invers = 0; | |
716 | break; | |
717 | case 28: | |
718 | s->t_attrib.unvisible = 0; | |
719 | break; | |
720 | /* set foreground color */ | |
721 | case 30: | |
722 | s->t_attrib.fgcol=COLOR_BLACK; | |
723 | break; | |
724 | case 31: | |
725 | s->t_attrib.fgcol=COLOR_RED; | |
726 | break; | |
727 | case 32: | |
728 | s->t_attrib.fgcol=COLOR_GREEN; | |
729 | break; | |
730 | case 33: | |
731 | s->t_attrib.fgcol=COLOR_YELLOW; | |
732 | break; | |
733 | case 34: | |
734 | s->t_attrib.fgcol=COLOR_BLUE; | |
735 | break; | |
736 | case 35: | |
737 | s->t_attrib.fgcol=COLOR_MAGENTA; | |
738 | break; | |
739 | case 36: | |
740 | s->t_attrib.fgcol=COLOR_CYAN; | |
741 | break; | |
742 | case 37: | |
743 | s->t_attrib.fgcol=COLOR_WHITE; | |
744 | break; | |
745 | /* set background color */ | |
746 | case 40: | |
747 | s->t_attrib.bgcol=COLOR_BLACK; | |
748 | break; | |
749 | case 41: | |
750 | s->t_attrib.bgcol=COLOR_RED; | |
751 | break; | |
752 | case 42: | |
753 | s->t_attrib.bgcol=COLOR_GREEN; | |
754 | break; | |
755 | case 43: | |
756 | s->t_attrib.bgcol=COLOR_YELLOW; | |
757 | break; | |
758 | case 44: | |
759 | s->t_attrib.bgcol=COLOR_BLUE; | |
760 | break; | |
761 | case 45: | |
762 | s->t_attrib.bgcol=COLOR_MAGENTA; | |
763 | break; | |
764 | case 46: | |
765 | s->t_attrib.bgcol=COLOR_CYAN; | |
766 | break; | |
767 | case 47: | |
768 | s->t_attrib.bgcol=COLOR_WHITE; | |
769 | break; | |
770 | } | |
771 | } | |
772 | } | |
773 | ||
774 | static void console_clear_xy(QemuConsole *s, int x, int y) | |
775 | { | |
776 | int y1 = (s->y_base + y) % s->total_height; | |
777 | TextCell *c = &s->cells[y1 * s->width + x]; | |
778 | c->ch = ' '; | |
779 | c->t_attrib = s->t_attrib_default; | |
780 | update_xy(s, x, y); | |
781 | } | |
782 | ||
783 | /* set cursor, checking bounds */ | |
784 | static void set_cursor(QemuConsole *s, int x, int y) | |
785 | { | |
786 | if (x < 0) { | |
787 | x = 0; | |
788 | } | |
789 | if (y < 0) { | |
790 | y = 0; | |
791 | } | |
792 | if (y >= s->height) { | |
793 | y = s->height - 1; | |
794 | } | |
795 | if (x >= s->width) { | |
796 | x = s->width - 1; | |
797 | } | |
798 | ||
799 | s->x = x; | |
800 | s->y = y; | |
801 | } | |
802 | ||
803 | static void console_putchar(QemuConsole *s, int ch) | |
804 | { | |
805 | TextCell *c; | |
806 | int y1, i; | |
807 | int x, y; | |
808 | ||
809 | switch(s->state) { | |
810 | case TTY_STATE_NORM: | |
811 | switch(ch) { | |
812 | case '\r': /* carriage return */ | |
813 | s->x = 0; | |
814 | break; | |
815 | case '\n': /* newline */ | |
816 | console_put_lf(s); | |
817 | break; | |
818 | case '\b': /* backspace */ | |
819 | if (s->x > 0) | |
820 | s->x--; | |
821 | break; | |
822 | case '\t': /* tabspace */ | |
823 | if (s->x + (8 - (s->x % 8)) > s->width) { | |
824 | s->x = 0; | |
825 | console_put_lf(s); | |
826 | } else { | |
827 | s->x = s->x + (8 - (s->x % 8)); | |
828 | } | |
829 | break; | |
830 | case '\a': /* alert aka. bell */ | |
831 | /* TODO: has to be implemented */ | |
832 | break; | |
833 | case 14: | |
834 | /* SI (shift in), character set 0 (ignored) */ | |
835 | break; | |
836 | case 15: | |
837 | /* SO (shift out), character set 1 (ignored) */ | |
838 | break; | |
839 | case 27: /* esc (introducing an escape sequence) */ | |
840 | s->state = TTY_STATE_ESC; | |
841 | break; | |
842 | default: | |
843 | if (s->x >= s->width) { | |
844 | /* line wrap */ | |
845 | s->x = 0; | |
846 | console_put_lf(s); | |
847 | } | |
848 | y1 = (s->y_base + s->y) % s->total_height; | |
849 | c = &s->cells[y1 * s->width + s->x]; | |
850 | c->ch = ch; | |
851 | c->t_attrib = s->t_attrib; | |
852 | update_xy(s, s->x, s->y); | |
853 | s->x++; | |
854 | break; | |
855 | } | |
856 | break; | |
857 | case TTY_STATE_ESC: /* check if it is a terminal escape sequence */ | |
858 | if (ch == '[') { | |
859 | for(i=0;i<MAX_ESC_PARAMS;i++) | |
860 | s->esc_params[i] = 0; | |
861 | s->nb_esc_params = 0; | |
862 | s->state = TTY_STATE_CSI; | |
863 | } else { | |
864 | s->state = TTY_STATE_NORM; | |
865 | } | |
866 | break; | |
867 | case TTY_STATE_CSI: /* handle escape sequence parameters */ | |
868 | if (ch >= '0' && ch <= '9') { | |
869 | if (s->nb_esc_params < MAX_ESC_PARAMS) { | |
870 | int *param = &s->esc_params[s->nb_esc_params]; | |
871 | int digit = (ch - '0'); | |
872 | ||
873 | *param = (*param <= (INT_MAX - digit) / 10) ? | |
874 | *param * 10 + digit : INT_MAX; | |
875 | } | |
876 | } else { | |
877 | if (s->nb_esc_params < MAX_ESC_PARAMS) | |
878 | s->nb_esc_params++; | |
879 | if (ch == ';') | |
880 | break; | |
881 | #ifdef DEBUG_CONSOLE | |
882 | fprintf(stderr, "escape sequence CSI%d;%d%c, %d parameters\n", | |
883 | s->esc_params[0], s->esc_params[1], ch, s->nb_esc_params); | |
884 | #endif | |
885 | s->state = TTY_STATE_NORM; | |
886 | switch(ch) { | |
887 | case 'A': | |
888 | /* move cursor up */ | |
889 | if (s->esc_params[0] == 0) { | |
890 | s->esc_params[0] = 1; | |
891 | } | |
892 | set_cursor(s, s->x, s->y - s->esc_params[0]); | |
893 | break; | |
894 | case 'B': | |
895 | /* move cursor down */ | |
896 | if (s->esc_params[0] == 0) { | |
897 | s->esc_params[0] = 1; | |
898 | } | |
899 | set_cursor(s, s->x, s->y + s->esc_params[0]); | |
900 | break; | |
901 | case 'C': | |
902 | /* move cursor right */ | |
903 | if (s->esc_params[0] == 0) { | |
904 | s->esc_params[0] = 1; | |
905 | } | |
906 | set_cursor(s, s->x + s->esc_params[0], s->y); | |
907 | break; | |
908 | case 'D': | |
909 | /* move cursor left */ | |
910 | if (s->esc_params[0] == 0) { | |
911 | s->esc_params[0] = 1; | |
912 | } | |
913 | set_cursor(s, s->x - s->esc_params[0], s->y); | |
914 | break; | |
915 | case 'G': | |
916 | /* move cursor to column */ | |
917 | set_cursor(s, s->esc_params[0] - 1, s->y); | |
918 | break; | |
919 | case 'f': | |
920 | case 'H': | |
921 | /* move cursor to row, column */ | |
922 | set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1); | |
923 | break; | |
924 | case 'J': | |
925 | switch (s->esc_params[0]) { | |
926 | case 0: | |
927 | /* clear to end of screen */ | |
928 | for (y = s->y; y < s->height; y++) { | |
929 | for (x = 0; x < s->width; x++) { | |
930 | if (y == s->y && x < s->x) { | |
931 | continue; | |
932 | } | |
933 | console_clear_xy(s, x, y); | |
934 | } | |
935 | } | |
936 | break; | |
937 | case 1: | |
938 | /* clear from beginning of screen */ | |
939 | for (y = 0; y <= s->y; y++) { | |
940 | for (x = 0; x < s->width; x++) { | |
941 | if (y == s->y && x > s->x) { | |
942 | break; | |
943 | } | |
944 | console_clear_xy(s, x, y); | |
945 | } | |
946 | } | |
947 | break; | |
948 | case 2: | |
949 | /* clear entire screen */ | |
950 | for (y = 0; y <= s->height; y++) { | |
951 | for (x = 0; x < s->width; x++) { | |
952 | console_clear_xy(s, x, y); | |
953 | } | |
954 | } | |
955 | break; | |
956 | } | |
957 | break; | |
958 | case 'K': | |
959 | switch (s->esc_params[0]) { | |
960 | case 0: | |
961 | /* clear to eol */ | |
962 | for(x = s->x; x < s->width; x++) { | |
963 | console_clear_xy(s, x, s->y); | |
964 | } | |
965 | break; | |
966 | case 1: | |
967 | /* clear from beginning of line */ | |
968 | for (x = 0; x <= s->x; x++) { | |
969 | console_clear_xy(s, x, s->y); | |
970 | } | |
971 | break; | |
972 | case 2: | |
973 | /* clear entire line */ | |
974 | for(x = 0; x < s->width; x++) { | |
975 | console_clear_xy(s, x, s->y); | |
976 | } | |
977 | break; | |
978 | } | |
979 | break; | |
980 | case 'm': | |
981 | console_handle_escape(s); | |
982 | break; | |
983 | case 'n': | |
984 | /* report cursor position */ | |
985 | /* TODO: send ESC[row;colR */ | |
986 | break; | |
987 | case 's': | |
988 | /* save cursor position */ | |
989 | s->x_saved = s->x; | |
990 | s->y_saved = s->y; | |
991 | break; | |
992 | case 'u': | |
993 | /* restore cursor position */ | |
994 | s->x = s->x_saved; | |
995 | s->y = s->y_saved; | |
996 | break; | |
997 | default: | |
998 | #ifdef DEBUG_CONSOLE | |
999 | fprintf(stderr, "unhandled escape character '%c'\n", ch); | |
1000 | #endif | |
1001 | break; | |
1002 | } | |
1003 | break; | |
1004 | } | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | void console_select(unsigned int index) | |
1009 | { | |
1010 | QemuConsole *s; | |
1011 | ||
1012 | if (index >= MAX_CONSOLES) | |
1013 | return; | |
1014 | ||
1015 | trace_console_select(index); | |
1016 | s = consoles[index]; | |
1017 | if (s) { | |
1018 | DisplayState *ds = s->ds; | |
1019 | ||
1020 | if (active_console && active_console->cursor_timer) { | |
1021 | qemu_del_timer(active_console->cursor_timer); | |
1022 | } | |
1023 | active_console = s; | |
1024 | if (ds->have_gfx) { | |
1025 | dpy_gfx_switch_surface(ds, s->surface); | |
1026 | dpy_gfx_update(s, 0, 0, surface_width(s->surface), | |
1027 | surface_height(s->surface)); | |
1028 | } | |
1029 | if (ds->have_text) { | |
1030 | dpy_text_resize(s, s->width, s->height); | |
1031 | } | |
1032 | if (s->cursor_timer) { | |
1033 | qemu_mod_timer(s->cursor_timer, | |
1034 | qemu_get_clock_ms(rt_clock) + CONSOLE_CURSOR_PERIOD / 2); | |
1035 | } | |
1036 | } | |
1037 | } | |
1038 | ||
1039 | static int console_puts(CharDriverState *chr, const uint8_t *buf, int len) | |
1040 | { | |
1041 | QemuConsole *s = chr->opaque; | |
1042 | int i; | |
1043 | ||
1044 | s->update_x0 = s->width * FONT_WIDTH; | |
1045 | s->update_y0 = s->height * FONT_HEIGHT; | |
1046 | s->update_x1 = 0; | |
1047 | s->update_y1 = 0; | |
1048 | console_show_cursor(s, 0); | |
1049 | for(i = 0; i < len; i++) { | |
1050 | console_putchar(s, buf[i]); | |
1051 | } | |
1052 | console_show_cursor(s, 1); | |
1053 | if (s->ds->have_gfx && s->update_x0 < s->update_x1) { | |
1054 | dpy_gfx_update(s, s->update_x0, s->update_y0, | |
1055 | s->update_x1 - s->update_x0, | |
1056 | s->update_y1 - s->update_y0); | |
1057 | } | |
1058 | return len; | |
1059 | } | |
1060 | ||
1061 | static void kbd_send_chars(void *opaque) | |
1062 | { | |
1063 | QemuConsole *s = opaque; | |
1064 | int len; | |
1065 | uint8_t buf[16]; | |
1066 | ||
1067 | len = qemu_chr_be_can_write(s->chr); | |
1068 | if (len > s->out_fifo.count) | |
1069 | len = s->out_fifo.count; | |
1070 | if (len > 0) { | |
1071 | if (len > sizeof(buf)) | |
1072 | len = sizeof(buf); | |
1073 | qemu_fifo_read(&s->out_fifo, buf, len); | |
1074 | qemu_chr_be_write(s->chr, buf, len); | |
1075 | } | |
1076 | /* characters are pending: we send them a bit later (XXX: | |
1077 | horrible, should change char device API) */ | |
1078 | if (s->out_fifo.count > 0) { | |
1079 | qemu_mod_timer(s->kbd_timer, qemu_get_clock_ms(rt_clock) + 1); | |
1080 | } | |
1081 | } | |
1082 | ||
1083 | /* called when an ascii key is pressed */ | |
1084 | void kbd_put_keysym(int keysym) | |
1085 | { | |
1086 | QemuConsole *s; | |
1087 | uint8_t buf[16], *q; | |
1088 | int c; | |
1089 | ||
1090 | s = active_console; | |
1091 | if (!s || (s->console_type == GRAPHIC_CONSOLE)) | |
1092 | return; | |
1093 | ||
1094 | switch(keysym) { | |
1095 | case QEMU_KEY_CTRL_UP: | |
1096 | console_scroll(-1); | |
1097 | break; | |
1098 | case QEMU_KEY_CTRL_DOWN: | |
1099 | console_scroll(1); | |
1100 | break; | |
1101 | case QEMU_KEY_CTRL_PAGEUP: | |
1102 | console_scroll(-10); | |
1103 | break; | |
1104 | case QEMU_KEY_CTRL_PAGEDOWN: | |
1105 | console_scroll(10); | |
1106 | break; | |
1107 | default: | |
1108 | /* convert the QEMU keysym to VT100 key string */ | |
1109 | q = buf; | |
1110 | if (keysym >= 0xe100 && keysym <= 0xe11f) { | |
1111 | *q++ = '\033'; | |
1112 | *q++ = '['; | |
1113 | c = keysym - 0xe100; | |
1114 | if (c >= 10) | |
1115 | *q++ = '0' + (c / 10); | |
1116 | *q++ = '0' + (c % 10); | |
1117 | *q++ = '~'; | |
1118 | } else if (keysym >= 0xe120 && keysym <= 0xe17f) { | |
1119 | *q++ = '\033'; | |
1120 | *q++ = '['; | |
1121 | *q++ = keysym & 0xff; | |
1122 | } else if (s->echo && (keysym == '\r' || keysym == '\n')) { | |
1123 | console_puts(s->chr, (const uint8_t *) "\r", 1); | |
1124 | *q++ = '\n'; | |
1125 | } else { | |
1126 | *q++ = keysym; | |
1127 | } | |
1128 | if (s->echo) { | |
1129 | console_puts(s->chr, buf, q - buf); | |
1130 | } | |
1131 | if (s->chr->chr_read) { | |
1132 | qemu_fifo_write(&s->out_fifo, buf, q - buf); | |
1133 | kbd_send_chars(s); | |
1134 | } | |
1135 | break; | |
1136 | } | |
1137 | } | |
1138 | ||
1139 | static void text_console_invalidate(void *opaque) | |
1140 | { | |
1141 | QemuConsole *s = (QemuConsole *) opaque; | |
1142 | ||
1143 | if (s->ds->have_text && s->console_type == TEXT_CONSOLE) { | |
1144 | text_console_resize(s); | |
1145 | } | |
1146 | console_refresh(s); | |
1147 | } | |
1148 | ||
1149 | static void text_console_update(void *opaque, console_ch_t *chardata) | |
1150 | { | |
1151 | QemuConsole *s = (QemuConsole *) opaque; | |
1152 | int i, j, src; | |
1153 | ||
1154 | if (s->text_x[0] <= s->text_x[1]) { | |
1155 | src = (s->y_base + s->text_y[0]) * s->width; | |
1156 | chardata += s->text_y[0] * s->width; | |
1157 | for (i = s->text_y[0]; i <= s->text_y[1]; i ++) | |
1158 | for (j = 0; j < s->width; j ++, src ++) | |
1159 | console_write_ch(chardata ++, s->cells[src].ch | | |
1160 | (s->cells[src].t_attrib.fgcol << 12) | | |
1161 | (s->cells[src].t_attrib.bgcol << 8) | | |
1162 | (s->cells[src].t_attrib.bold << 21)); | |
1163 | dpy_text_update(s, s->text_x[0], s->text_y[0], | |
1164 | s->text_x[1] - s->text_x[0], i - s->text_y[0]); | |
1165 | s->text_x[0] = s->width; | |
1166 | s->text_y[0] = s->height; | |
1167 | s->text_x[1] = 0; | |
1168 | s->text_y[1] = 0; | |
1169 | } | |
1170 | if (s->cursor_invalidate) { | |
1171 | dpy_text_cursor(s, s->x, s->y); | |
1172 | s->cursor_invalidate = 0; | |
1173 | } | |
1174 | } | |
1175 | ||
1176 | static QemuConsole *new_console(DisplayState *ds, console_type_t console_type) | |
1177 | { | |
1178 | QemuConsole *s; | |
1179 | int i; | |
1180 | ||
1181 | if (nb_consoles >= MAX_CONSOLES) | |
1182 | return NULL; | |
1183 | s = g_malloc0(sizeof(QemuConsole)); | |
1184 | if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) && | |
1185 | (console_type == GRAPHIC_CONSOLE))) { | |
1186 | active_console = s; | |
1187 | } | |
1188 | s->ds = ds; | |
1189 | s->console_type = console_type; | |
1190 | if (console_type != GRAPHIC_CONSOLE) { | |
1191 | s->index = nb_consoles; | |
1192 | consoles[nb_consoles++] = s; | |
1193 | } else { | |
1194 | /* HACK: Put graphical consoles before text consoles. */ | |
1195 | for (i = nb_consoles; i > 0; i--) { | |
1196 | if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE) | |
1197 | break; | |
1198 | consoles[i] = consoles[i - 1]; | |
1199 | consoles[i]->index = i; | |
1200 | } | |
1201 | s->index = i; | |
1202 | consoles[i] = s; | |
1203 | nb_consoles++; | |
1204 | } | |
1205 | return s; | |
1206 | } | |
1207 | ||
1208 | static void qemu_alloc_display(DisplaySurface *surface, int width, int height, | |
1209 | int linesize, PixelFormat pf, int newflags) | |
1210 | { | |
1211 | surface->pf = pf; | |
1212 | ||
1213 | qemu_pixman_image_unref(surface->image); | |
1214 | surface->image = NULL; | |
1215 | ||
1216 | surface->format = qemu_pixman_get_format(&pf); | |
1217 | assert(surface->format != 0); | |
1218 | surface->image = pixman_image_create_bits(surface->format, | |
1219 | width, height, | |
1220 | NULL, linesize); | |
1221 | assert(surface->image != NULL); | |
1222 | ||
1223 | surface->flags = newflags | QEMU_ALLOCATED_FLAG; | |
1224 | #ifdef HOST_WORDS_BIGENDIAN | |
1225 | surface->flags |= QEMU_BIG_ENDIAN_FLAG; | |
1226 | #endif | |
1227 | } | |
1228 | ||
1229 | DisplaySurface *qemu_create_displaysurface(int width, int height) | |
1230 | { | |
1231 | DisplaySurface *surface = g_new0(DisplaySurface, 1); | |
1232 | int linesize = width * 4; | |
1233 | ||
1234 | trace_displaysurface_create(surface, width, height); | |
1235 | qemu_alloc_display(surface, width, height, linesize, | |
1236 | qemu_default_pixelformat(32), 0); | |
1237 | return surface; | |
1238 | } | |
1239 | ||
1240 | DisplaySurface *qemu_create_displaysurface_from(int width, int height, int bpp, | |
1241 | int linesize, uint8_t *data, | |
1242 | bool byteswap) | |
1243 | { | |
1244 | DisplaySurface *surface = g_new0(DisplaySurface, 1); | |
1245 | ||
1246 | trace_displaysurface_create_from(surface, width, height, bpp, byteswap); | |
1247 | if (byteswap) { | |
1248 | surface->pf = qemu_different_endianness_pixelformat(bpp); | |
1249 | } else { | |
1250 | surface->pf = qemu_default_pixelformat(bpp); | |
1251 | } | |
1252 | ||
1253 | surface->format = qemu_pixman_get_format(&surface->pf); | |
1254 | assert(surface->format != 0); | |
1255 | surface->image = pixman_image_create_bits(surface->format, | |
1256 | width, height, | |
1257 | (void *)data, linesize); | |
1258 | assert(surface->image != NULL); | |
1259 | ||
1260 | #ifdef HOST_WORDS_BIGENDIAN | |
1261 | surface->flags = QEMU_BIG_ENDIAN_FLAG; | |
1262 | #endif | |
1263 | ||
1264 | return surface; | |
1265 | } | |
1266 | ||
1267 | void qemu_free_displaysurface(DisplaySurface *surface) | |
1268 | { | |
1269 | if (surface == NULL) { | |
1270 | return; | |
1271 | } | |
1272 | trace_displaysurface_free(surface); | |
1273 | qemu_pixman_image_unref(surface->image); | |
1274 | g_free(surface); | |
1275 | } | |
1276 | ||
1277 | void register_displaychangelistener(DisplayState *ds, | |
1278 | DisplayChangeListener *dcl) | |
1279 | { | |
1280 | trace_displaychangelistener_register(dcl, dcl->ops->dpy_name); | |
1281 | dcl->ds = ds; | |
1282 | QLIST_INSERT_HEAD(&ds->listeners, dcl, next); | |
1283 | gui_setup_refresh(ds); | |
1284 | if (dcl->ops->dpy_gfx_switch && active_console) { | |
1285 | dcl->ops->dpy_gfx_switch(dcl, active_console->surface); | |
1286 | } | |
1287 | } | |
1288 | ||
1289 | void unregister_displaychangelistener(DisplayChangeListener *dcl) | |
1290 | { | |
1291 | DisplayState *ds = dcl->ds; | |
1292 | trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name); | |
1293 | QLIST_REMOVE(dcl, next); | |
1294 | gui_setup_refresh(ds); | |
1295 | } | |
1296 | ||
1297 | void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h) | |
1298 | { | |
1299 | DisplayState *s = con->ds; | |
1300 | struct DisplayChangeListener *dcl; | |
1301 | int width = surface_width(con->surface); | |
1302 | int height = surface_height(con->surface); | |
1303 | ||
1304 | x = MAX(x, 0); | |
1305 | y = MAX(y, 0); | |
1306 | x = MIN(x, width); | |
1307 | y = MIN(y, height); | |
1308 | w = MIN(w, width - x); | |
1309 | h = MIN(h, height - y); | |
1310 | ||
1311 | if (con != active_console) { | |
1312 | return; | |
1313 | } | |
1314 | QLIST_FOREACH(dcl, &s->listeners, next) { | |
1315 | if (dcl->ops->dpy_gfx_update) { | |
1316 | dcl->ops->dpy_gfx_update(dcl, x, y, w, h); | |
1317 | } | |
1318 | } | |
1319 | } | |
1320 | ||
1321 | static void dpy_gfx_switch_surface(DisplayState *ds, | |
1322 | DisplaySurface *surface) | |
1323 | { | |
1324 | struct DisplayChangeListener *dcl; | |
1325 | ||
1326 | QLIST_FOREACH(dcl, &ds->listeners, next) { | |
1327 | if (dcl->ops->dpy_gfx_switch) { | |
1328 | dcl->ops->dpy_gfx_switch(dcl, surface); | |
1329 | } | |
1330 | } | |
1331 | } | |
1332 | ||
1333 | void dpy_gfx_replace_surface(QemuConsole *con, | |
1334 | DisplaySurface *surface) | |
1335 | { | |
1336 | DisplayState *s = con->ds; | |
1337 | DisplaySurface *old_surface = con->surface; | |
1338 | ||
1339 | con->surface = surface; | |
1340 | if (con == active_console) { | |
1341 | dpy_gfx_switch_surface(s, surface); | |
1342 | } | |
1343 | qemu_free_displaysurface(old_surface); | |
1344 | } | |
1345 | ||
1346 | void dpy_refresh(DisplayState *s) | |
1347 | { | |
1348 | struct DisplayChangeListener *dcl; | |
1349 | QLIST_FOREACH(dcl, &s->listeners, next) { | |
1350 | if (dcl->ops->dpy_refresh) { | |
1351 | dcl->ops->dpy_refresh(dcl); | |
1352 | } | |
1353 | } | |
1354 | } | |
1355 | ||
1356 | void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y, | |
1357 | int dst_x, int dst_y, int w, int h) | |
1358 | { | |
1359 | DisplayState *s = con->ds; | |
1360 | struct DisplayChangeListener *dcl; | |
1361 | ||
1362 | if (con != active_console) { | |
1363 | return; | |
1364 | } | |
1365 | QLIST_FOREACH(dcl, &s->listeners, next) { | |
1366 | if (dcl->ops->dpy_gfx_copy) { | |
1367 | dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h); | |
1368 | } else { /* TODO */ | |
1369 | dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h); | |
1370 | } | |
1371 | } | |
1372 | } | |
1373 | ||
1374 | void dpy_text_cursor(QemuConsole *con, int x, int y) | |
1375 | { | |
1376 | DisplayState *s = con->ds; | |
1377 | struct DisplayChangeListener *dcl; | |
1378 | ||
1379 | if (con != active_console) { | |
1380 | return; | |
1381 | } | |
1382 | QLIST_FOREACH(dcl, &s->listeners, next) { | |
1383 | if (dcl->ops->dpy_text_cursor) { | |
1384 | dcl->ops->dpy_text_cursor(dcl, x, y); | |
1385 | } | |
1386 | } | |
1387 | } | |
1388 | ||
1389 | void dpy_text_update(QemuConsole *con, int x, int y, int w, int h) | |
1390 | { | |
1391 | DisplayState *s = con->ds; | |
1392 | struct DisplayChangeListener *dcl; | |
1393 | ||
1394 | if (con != active_console) { | |
1395 | return; | |
1396 | } | |
1397 | QLIST_FOREACH(dcl, &s->listeners, next) { | |
1398 | if (dcl->ops->dpy_text_update) { | |
1399 | dcl->ops->dpy_text_update(dcl, x, y, w, h); | |
1400 | } | |
1401 | } | |
1402 | } | |
1403 | ||
1404 | void dpy_text_resize(QemuConsole *con, int w, int h) | |
1405 | { | |
1406 | DisplayState *s = con->ds; | |
1407 | struct DisplayChangeListener *dcl; | |
1408 | ||
1409 | if (con != active_console) { | |
1410 | return; | |
1411 | } | |
1412 | QLIST_FOREACH(dcl, &s->listeners, next) { | |
1413 | if (dcl->ops->dpy_text_resize) { | |
1414 | dcl->ops->dpy_text_resize(dcl, w, h); | |
1415 | } | |
1416 | } | |
1417 | } | |
1418 | ||
1419 | void dpy_mouse_set(QemuConsole *con, int x, int y, int on) | |
1420 | { | |
1421 | DisplayState *s = con->ds; | |
1422 | struct DisplayChangeListener *dcl; | |
1423 | ||
1424 | if (con != active_console) { | |
1425 | return; | |
1426 | } | |
1427 | QLIST_FOREACH(dcl, &s->listeners, next) { | |
1428 | if (dcl->ops->dpy_mouse_set) { | |
1429 | dcl->ops->dpy_mouse_set(dcl, x, y, on); | |
1430 | } | |
1431 | } | |
1432 | } | |
1433 | ||
1434 | void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor) | |
1435 | { | |
1436 | DisplayState *s = con->ds; | |
1437 | struct DisplayChangeListener *dcl; | |
1438 | ||
1439 | if (con != active_console) { | |
1440 | return; | |
1441 | } | |
1442 | QLIST_FOREACH(dcl, &s->listeners, next) { | |
1443 | if (dcl->ops->dpy_cursor_define) { | |
1444 | dcl->ops->dpy_cursor_define(dcl, cursor); | |
1445 | } | |
1446 | } | |
1447 | } | |
1448 | ||
1449 | bool dpy_cursor_define_supported(QemuConsole *con) | |
1450 | { | |
1451 | DisplayState *s = con->ds; | |
1452 | struct DisplayChangeListener *dcl; | |
1453 | QLIST_FOREACH(dcl, &s->listeners, next) { | |
1454 | if (dcl->ops->dpy_cursor_define) { | |
1455 | return true; | |
1456 | } | |
1457 | } | |
1458 | return false; | |
1459 | } | |
1460 | ||
1461 | /***********************************************************/ | |
1462 | /* register display */ | |
1463 | ||
1464 | /* console.c internal use only */ | |
1465 | static DisplayState *get_alloc_displaystate(void) | |
1466 | { | |
1467 | if (!display_state) { | |
1468 | display_state = g_new0(DisplayState, 1); | |
1469 | } | |
1470 | return display_state; | |
1471 | } | |
1472 | ||
1473 | /* | |
1474 | * Called by main(), after creating QemuConsoles | |
1475 | * and before initializing ui (sdl/vnc/...). | |
1476 | */ | |
1477 | DisplayState *init_displaystate(void) | |
1478 | { | |
1479 | int i; | |
1480 | ||
1481 | if (!display_state) { | |
1482 | display_state = g_new0(DisplayState, 1); | |
1483 | } | |
1484 | ||
1485 | for (i = 0; i < nb_consoles; i++) { | |
1486 | if (consoles[i]->console_type != GRAPHIC_CONSOLE && | |
1487 | consoles[i]->ds == NULL) { | |
1488 | text_console_do_init(consoles[i]->chr, display_state); | |
1489 | } | |
1490 | } | |
1491 | ||
1492 | return display_state; | |
1493 | } | |
1494 | ||
1495 | QemuConsole *graphic_console_init(const GraphicHwOps *hw_ops, | |
1496 | void *opaque) | |
1497 | { | |
1498 | int width = 640; | |
1499 | int height = 480; | |
1500 | QemuConsole *s; | |
1501 | DisplayState *ds; | |
1502 | ||
1503 | ds = get_alloc_displaystate(); | |
1504 | trace_console_gfx_new(); | |
1505 | s = new_console(ds, GRAPHIC_CONSOLE); | |
1506 | s->hw_ops = hw_ops; | |
1507 | s->hw = opaque; | |
1508 | ||
1509 | s->surface = qemu_create_displaysurface(width, height); | |
1510 | return s; | |
1511 | } | |
1512 | ||
1513 | int is_graphic_console(void) | |
1514 | { | |
1515 | return active_console && active_console->console_type == GRAPHIC_CONSOLE; | |
1516 | } | |
1517 | ||
1518 | int is_fixedsize_console(void) | |
1519 | { | |
1520 | return active_console && active_console->console_type != TEXT_CONSOLE; | |
1521 | } | |
1522 | ||
1523 | static void text_console_set_echo(CharDriverState *chr, bool echo) | |
1524 | { | |
1525 | QemuConsole *s = chr->opaque; | |
1526 | ||
1527 | s->echo = echo; | |
1528 | } | |
1529 | ||
1530 | static void text_console_update_cursor(void *opaque) | |
1531 | { | |
1532 | QemuConsole *s = opaque; | |
1533 | ||
1534 | s->cursor_visible_phase = !s->cursor_visible_phase; | |
1535 | graphic_hw_invalidate(s); | |
1536 | qemu_mod_timer(s->cursor_timer, | |
1537 | qemu_get_clock_ms(rt_clock) + CONSOLE_CURSOR_PERIOD / 2); | |
1538 | } | |
1539 | ||
1540 | static const GraphicHwOps text_console_ops = { | |
1541 | .invalidate = text_console_invalidate, | |
1542 | .text_update = text_console_update, | |
1543 | }; | |
1544 | ||
1545 | static void text_console_do_init(CharDriverState *chr, DisplayState *ds) | |
1546 | { | |
1547 | QemuConsole *s; | |
1548 | int g_width = 80 * FONT_WIDTH; | |
1549 | int g_height = 24 * FONT_HEIGHT; | |
1550 | ||
1551 | s = chr->opaque; | |
1552 | ||
1553 | chr->chr_write = console_puts; | |
1554 | ||
1555 | s->out_fifo.buf = s->out_fifo_buf; | |
1556 | s->out_fifo.buf_size = sizeof(s->out_fifo_buf); | |
1557 | s->kbd_timer = qemu_new_timer_ms(rt_clock, kbd_send_chars, s); | |
1558 | s->ds = ds; | |
1559 | ||
1560 | s->y_displayed = 0; | |
1561 | s->y_base = 0; | |
1562 | s->total_height = DEFAULT_BACKSCROLL; | |
1563 | s->x = 0; | |
1564 | s->y = 0; | |
1565 | if (!s->surface) { | |
1566 | if (active_console && active_console->surface) { | |
1567 | g_width = surface_width(active_console->surface); | |
1568 | g_height = surface_height(active_console->surface); | |
1569 | } | |
1570 | s->surface = qemu_create_displaysurface(g_width, g_height); | |
1571 | } | |
1572 | ||
1573 | s->cursor_timer = | |
1574 | qemu_new_timer_ms(rt_clock, text_console_update_cursor, s); | |
1575 | ||
1576 | s->hw_ops = &text_console_ops; | |
1577 | s->hw = s; | |
1578 | ||
1579 | /* Set text attribute defaults */ | |
1580 | s->t_attrib_default.bold = 0; | |
1581 | s->t_attrib_default.uline = 0; | |
1582 | s->t_attrib_default.blink = 0; | |
1583 | s->t_attrib_default.invers = 0; | |
1584 | s->t_attrib_default.unvisible = 0; | |
1585 | s->t_attrib_default.fgcol = COLOR_WHITE; | |
1586 | s->t_attrib_default.bgcol = COLOR_BLACK; | |
1587 | /* set current text attributes to default */ | |
1588 | s->t_attrib = s->t_attrib_default; | |
1589 | text_console_resize(s); | |
1590 | ||
1591 | if (chr->label) { | |
1592 | char msg[128]; | |
1593 | int len; | |
1594 | ||
1595 | s->t_attrib.bgcol = COLOR_BLUE; | |
1596 | len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label); | |
1597 | console_puts(chr, (uint8_t*)msg, len); | |
1598 | s->t_attrib = s->t_attrib_default; | |
1599 | } | |
1600 | ||
1601 | qemu_chr_be_generic_open(chr); | |
1602 | if (chr->init) | |
1603 | chr->init(chr); | |
1604 | } | |
1605 | ||
1606 | static CharDriverState *text_console_init(ChardevVC *vc) | |
1607 | { | |
1608 | CharDriverState *chr; | |
1609 | QemuConsole *s; | |
1610 | unsigned width = 0; | |
1611 | unsigned height = 0; | |
1612 | ||
1613 | chr = g_malloc0(sizeof(CharDriverState)); | |
1614 | ||
1615 | if (vc->has_width) { | |
1616 | width = vc->width; | |
1617 | } else if (vc->has_cols) { | |
1618 | width = vc->cols * FONT_WIDTH; | |
1619 | } | |
1620 | ||
1621 | if (vc->has_height) { | |
1622 | height = vc->height; | |
1623 | } else if (vc->has_rows) { | |
1624 | height = vc->rows * FONT_HEIGHT; | |
1625 | } | |
1626 | ||
1627 | trace_console_txt_new(width, height); | |
1628 | if (width == 0 || height == 0) { | |
1629 | s = new_console(NULL, TEXT_CONSOLE); | |
1630 | } else { | |
1631 | s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE); | |
1632 | s->surface = qemu_create_displaysurface(width, height); | |
1633 | } | |
1634 | ||
1635 | if (!s) { | |
1636 | g_free(chr); | |
1637 | return NULL; | |
1638 | } | |
1639 | ||
1640 | s->chr = chr; | |
1641 | chr->opaque = s; | |
1642 | chr->chr_set_echo = text_console_set_echo; | |
1643 | ||
1644 | if (display_state) { | |
1645 | text_console_do_init(chr, display_state); | |
1646 | } | |
1647 | return chr; | |
1648 | } | |
1649 | ||
1650 | static VcHandler *vc_handler = text_console_init; | |
1651 | ||
1652 | CharDriverState *vc_init(ChardevVC *vc) | |
1653 | { | |
1654 | return vc_handler(vc); | |
1655 | } | |
1656 | ||
1657 | void register_vc_handler(VcHandler *handler) | |
1658 | { | |
1659 | vc_handler = handler; | |
1660 | } | |
1661 | ||
1662 | void qemu_console_resize(QemuConsole *s, int width, int height) | |
1663 | { | |
1664 | DisplaySurface *surface; | |
1665 | ||
1666 | assert(s->console_type == GRAPHIC_CONSOLE); | |
1667 | surface = qemu_create_displaysurface(width, height); | |
1668 | dpy_gfx_replace_surface(s, surface); | |
1669 | } | |
1670 | ||
1671 | void qemu_console_copy(QemuConsole *con, int src_x, int src_y, | |
1672 | int dst_x, int dst_y, int w, int h) | |
1673 | { | |
1674 | assert(con->console_type == GRAPHIC_CONSOLE); | |
1675 | dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h); | |
1676 | } | |
1677 | ||
1678 | DisplaySurface *qemu_console_surface(QemuConsole *console) | |
1679 | { | |
1680 | return console->surface; | |
1681 | } | |
1682 | ||
1683 | DisplayState *qemu_console_displaystate(QemuConsole *console) | |
1684 | { | |
1685 | return console->ds; | |
1686 | } | |
1687 | ||
1688 | PixelFormat qemu_different_endianness_pixelformat(int bpp) | |
1689 | { | |
1690 | PixelFormat pf; | |
1691 | ||
1692 | memset(&pf, 0x00, sizeof(PixelFormat)); | |
1693 | ||
1694 | pf.bits_per_pixel = bpp; | |
1695 | pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8); | |
1696 | pf.depth = bpp == 32 ? 24 : bpp; | |
1697 | ||
1698 | switch (bpp) { | |
1699 | case 24: | |
1700 | pf.rmask = 0x000000FF; | |
1701 | pf.gmask = 0x0000FF00; | |
1702 | pf.bmask = 0x00FF0000; | |
1703 | pf.rmax = 255; | |
1704 | pf.gmax = 255; | |
1705 | pf.bmax = 255; | |
1706 | pf.rshift = 0; | |
1707 | pf.gshift = 8; | |
1708 | pf.bshift = 16; | |
1709 | pf.rbits = 8; | |
1710 | pf.gbits = 8; | |
1711 | pf.bbits = 8; | |
1712 | break; | |
1713 | case 32: | |
1714 | pf.rmask = 0x0000FF00; | |
1715 | pf.gmask = 0x00FF0000; | |
1716 | pf.bmask = 0xFF000000; | |
1717 | pf.amask = 0x00000000; | |
1718 | pf.amax = 255; | |
1719 | pf.rmax = 255; | |
1720 | pf.gmax = 255; | |
1721 | pf.bmax = 255; | |
1722 | pf.ashift = 0; | |
1723 | pf.rshift = 8; | |
1724 | pf.gshift = 16; | |
1725 | pf.bshift = 24; | |
1726 | pf.rbits = 8; | |
1727 | pf.gbits = 8; | |
1728 | pf.bbits = 8; | |
1729 | pf.abits = 8; | |
1730 | break; | |
1731 | default: | |
1732 | break; | |
1733 | } | |
1734 | return pf; | |
1735 | } | |
1736 | ||
1737 | PixelFormat qemu_default_pixelformat(int bpp) | |
1738 | { | |
1739 | PixelFormat pf; | |
1740 | ||
1741 | memset(&pf, 0x00, sizeof(PixelFormat)); | |
1742 | ||
1743 | pf.bits_per_pixel = bpp; | |
1744 | pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8); | |
1745 | pf.depth = bpp == 32 ? 24 : bpp; | |
1746 | ||
1747 | switch (bpp) { | |
1748 | case 15: | |
1749 | pf.bits_per_pixel = 16; | |
1750 | pf.rmask = 0x00007c00; | |
1751 | pf.gmask = 0x000003E0; | |
1752 | pf.bmask = 0x0000001F; | |
1753 | pf.rmax = 31; | |
1754 | pf.gmax = 31; | |
1755 | pf.bmax = 31; | |
1756 | pf.rshift = 10; | |
1757 | pf.gshift = 5; | |
1758 | pf.bshift = 0; | |
1759 | pf.rbits = 5; | |
1760 | pf.gbits = 5; | |
1761 | pf.bbits = 5; | |
1762 | break; | |
1763 | case 16: | |
1764 | pf.rmask = 0x0000F800; | |
1765 | pf.gmask = 0x000007E0; | |
1766 | pf.bmask = 0x0000001F; | |
1767 | pf.rmax = 31; | |
1768 | pf.gmax = 63; | |
1769 | pf.bmax = 31; | |
1770 | pf.rshift = 11; | |
1771 | pf.gshift = 5; | |
1772 | pf.bshift = 0; | |
1773 | pf.rbits = 5; | |
1774 | pf.gbits = 6; | |
1775 | pf.bbits = 5; | |
1776 | break; | |
1777 | case 24: | |
1778 | pf.rmask = 0x00FF0000; | |
1779 | pf.gmask = 0x0000FF00; | |
1780 | pf.bmask = 0x000000FF; | |
1781 | pf.rmax = 255; | |
1782 | pf.gmax = 255; | |
1783 | pf.bmax = 255; | |
1784 | pf.rshift = 16; | |
1785 | pf.gshift = 8; | |
1786 | pf.bshift = 0; | |
1787 | pf.rbits = 8; | |
1788 | pf.gbits = 8; | |
1789 | pf.bbits = 8; | |
1790 | break; | |
1791 | case 32: | |
1792 | pf.rmask = 0x00FF0000; | |
1793 | pf.gmask = 0x0000FF00; | |
1794 | pf.bmask = 0x000000FF; | |
1795 | pf.rmax = 255; | |
1796 | pf.gmax = 255; | |
1797 | pf.bmax = 255; | |
1798 | pf.rshift = 16; | |
1799 | pf.gshift = 8; | |
1800 | pf.bshift = 0; | |
1801 | pf.rbits = 8; | |
1802 | pf.gbits = 8; | |
1803 | pf.bbits = 8; | |
1804 | break; | |
1805 | default: | |
1806 | break; | |
1807 | } | |
1808 | return pf; | |
1809 | } | |
1810 | ||
1811 | static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, | |
1812 | Error **errp) | |
1813 | { | |
1814 | int val; | |
1815 | ||
1816 | backend->vc = g_new0(ChardevVC, 1); | |
1817 | ||
1818 | val = qemu_opt_get_number(opts, "width", 0); | |
1819 | if (val != 0) { | |
1820 | backend->vc->has_width = true; | |
1821 | backend->vc->width = val; | |
1822 | } | |
1823 | ||
1824 | val = qemu_opt_get_number(opts, "height", 0); | |
1825 | if (val != 0) { | |
1826 | backend->vc->has_height = true; | |
1827 | backend->vc->height = val; | |
1828 | } | |
1829 | ||
1830 | val = qemu_opt_get_number(opts, "cols", 0); | |
1831 | if (val != 0) { | |
1832 | backend->vc->has_cols = true; | |
1833 | backend->vc->cols = val; | |
1834 | } | |
1835 | ||
1836 | val = qemu_opt_get_number(opts, "rows", 0); | |
1837 | if (val != 0) { | |
1838 | backend->vc->has_rows = true; | |
1839 | backend->vc->rows = val; | |
1840 | } | |
1841 | } | |
1842 | ||
1843 | static void register_types(void) | |
1844 | { | |
1845 | register_char_driver_qapi("vc", CHARDEV_BACKEND_KIND_VC, | |
1846 | qemu_chr_parse_vc); | |
1847 | } | |
1848 | ||
1849 | type_init(register_types); |