console: add head to index to qemu consoles.
[qemu/cris-port.git] / ui / console.c
blob0a4f9128a5c74f6a341b37eb8739d845ed066a69
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 "ui/console.h"
26 #include "hw/qdev-core.h"
27 #include "qemu/timer.h"
28 #include "qmp-commands.h"
29 #include "sysemu/char.h"
30 #include "trace.h"
32 #define DEFAULT_BACKSCROLL 512
33 #define MAX_CONSOLES 12
34 #define CONSOLE_CURSOR_PERIOD 500
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 struct QemuConsole {
117 Object parent;
119 int index;
120 console_type_t console_type;
121 DisplayState *ds;
122 DisplaySurface *surface;
123 int dcls;
125 /* Graphic console state. */
126 Object *device;
127 uint32_t head;
128 const GraphicHwOps *hw_ops;
129 void *hw;
131 /* Text console state */
132 int width;
133 int height;
134 int total_height;
135 int backscroll_height;
136 int x, y;
137 int x_saved, y_saved;
138 int y_displayed;
139 int y_base;
140 TextAttributes t_attrib_default; /* default text attributes */
141 TextAttributes t_attrib; /* currently active text attributes */
142 TextCell *cells;
143 int text_x[2], text_y[2], cursor_invalidate;
144 int echo;
145 bool cursor_visible_phase;
146 QEMUTimer *cursor_timer;
148 int update_x0;
149 int update_y0;
150 int update_x1;
151 int update_y1;
153 enum TTYState state;
154 int esc_params[MAX_ESC_PARAMS];
155 int nb_esc_params;
157 CharDriverState *chr;
158 /* fifo for key pressed */
159 QEMUFIFO out_fifo;
160 uint8_t out_fifo_buf[16];
161 QEMUTimer *kbd_timer;
164 struct DisplayState {
165 QEMUTimer *gui_timer;
166 uint64_t last_update;
167 uint64_t update_interval;
168 bool refreshing;
169 bool have_gfx;
170 bool have_text;
172 QLIST_HEAD(, DisplayChangeListener) listeners;
175 static DisplayState *display_state;
176 static QemuConsole *active_console;
177 static QemuConsole *consoles[MAX_CONSOLES];
178 static int nb_consoles = 0;
180 static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
181 static void dpy_refresh(DisplayState *s);
182 static DisplayState *get_alloc_displaystate(void);
184 static void gui_update(void *opaque)
186 uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
187 uint64_t dcl_interval;
188 DisplayState *ds = opaque;
189 DisplayChangeListener *dcl;
190 int i;
192 ds->refreshing = true;
193 dpy_refresh(ds);
194 ds->refreshing = false;
196 QLIST_FOREACH(dcl, &ds->listeners, next) {
197 dcl_interval = dcl->update_interval ?
198 dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
199 if (interval > dcl_interval) {
200 interval = dcl_interval;
203 if (ds->update_interval != interval) {
204 ds->update_interval = interval;
205 for (i = 0; i < nb_consoles; i++) {
206 if (consoles[i]->hw_ops->update_interval) {
207 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
210 trace_console_refresh(interval);
212 ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
213 timer_mod(ds->gui_timer, ds->last_update + interval);
216 static void gui_setup_refresh(DisplayState *ds)
218 DisplayChangeListener *dcl;
219 bool need_timer = false;
220 bool have_gfx = false;
221 bool have_text = false;
223 QLIST_FOREACH(dcl, &ds->listeners, next) {
224 if (dcl->ops->dpy_refresh != NULL) {
225 need_timer = true;
227 if (dcl->ops->dpy_gfx_update != NULL) {
228 have_gfx = true;
230 if (dcl->ops->dpy_text_update != NULL) {
231 have_text = true;
235 if (need_timer && ds->gui_timer == NULL) {
236 ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
237 timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
239 if (!need_timer && ds->gui_timer != NULL) {
240 timer_del(ds->gui_timer);
241 timer_free(ds->gui_timer);
242 ds->gui_timer = NULL;
245 ds->have_gfx = have_gfx;
246 ds->have_text = have_text;
249 void graphic_hw_update(QemuConsole *con)
251 if (!con) {
252 con = active_console;
254 if (con && con->hw_ops->gfx_update) {
255 con->hw_ops->gfx_update(con->hw);
259 void graphic_hw_invalidate(QemuConsole *con)
261 if (!con) {
262 con = active_console;
264 if (con && con->hw_ops->invalidate) {
265 con->hw_ops->invalidate(con->hw);
269 static void ppm_save(const char *filename, struct DisplaySurface *ds,
270 Error **errp)
272 int width = pixman_image_get_width(ds->image);
273 int height = pixman_image_get_height(ds->image);
274 int fd;
275 FILE *f;
276 int y;
277 int ret;
278 pixman_image_t *linebuf;
280 trace_ppm_save(filename, ds);
281 fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
282 if (fd == -1) {
283 error_setg(errp, "failed to open file '%s': %s", filename,
284 strerror(errno));
285 return;
287 f = fdopen(fd, "wb");
288 ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
289 if (ret < 0) {
290 linebuf = NULL;
291 goto write_err;
293 linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
294 for (y = 0; y < height; y++) {
295 qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
296 clearerr(f);
297 ret = fwrite(pixman_image_get_data(linebuf), 1,
298 pixman_image_get_stride(linebuf), f);
299 (void)ret;
300 if (ferror(f)) {
301 goto write_err;
305 out:
306 qemu_pixman_image_unref(linebuf);
307 fclose(f);
308 return;
310 write_err:
311 error_setg(errp, "failed to write to file '%s': %s", filename,
312 strerror(errno));
313 unlink(filename);
314 goto out;
317 void qmp_screendump(const char *filename, Error **errp)
319 QemuConsole *con = qemu_console_lookup_by_index(0);
320 DisplaySurface *surface;
322 if (con == NULL) {
323 error_setg(errp, "There is no QemuConsole I can screendump from.");
324 return;
327 graphic_hw_update(con);
328 surface = qemu_console_surface(con);
329 ppm_save(filename, surface, errp);
332 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
334 if (!con) {
335 con = active_console;
337 if (con && con->hw_ops->text_update) {
338 con->hw_ops->text_update(con->hw, chardata);
342 static void vga_fill_rect(QemuConsole *con,
343 int posx, int posy, int width, int height,
344 pixman_color_t color)
346 DisplaySurface *surface = qemu_console_surface(con);
347 pixman_rectangle16_t rect = {
348 .x = posx, .y = posy, .width = width, .height = height
351 pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
352 &color, 1, &rect);
355 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
356 static void vga_bitblt(QemuConsole *con,
357 int xs, int ys, int xd, int yd, int w, int h)
359 DisplaySurface *surface = qemu_console_surface(con);
361 pixman_image_composite(PIXMAN_OP_SRC,
362 surface->image, NULL, surface->image,
363 xs, ys, 0, 0, xd, yd, w, h);
366 /***********************************************************/
367 /* basic char display */
369 #define FONT_HEIGHT 16
370 #define FONT_WIDTH 8
372 #include "vgafont.h"
374 #ifndef CONFIG_CURSES
375 enum color_names {
376 COLOR_BLACK = 0,
377 COLOR_RED = 1,
378 COLOR_GREEN = 2,
379 COLOR_YELLOW = 3,
380 COLOR_BLUE = 4,
381 COLOR_MAGENTA = 5,
382 COLOR_CYAN = 6,
383 COLOR_WHITE = 7
385 #endif
387 #define QEMU_RGB(r, g, b) \
388 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
390 static const pixman_color_t color_table_rgb[2][8] = {
391 { /* dark */
392 QEMU_RGB(0x00, 0x00, 0x00), /* black */
393 QEMU_RGB(0xaa, 0x00, 0x00), /* red */
394 QEMU_RGB(0x00, 0xaa, 0x00), /* green */
395 QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
396 QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
397 QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
398 QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
399 QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
401 { /* bright */
402 QEMU_RGB(0x00, 0x00, 0x00), /* black */
403 QEMU_RGB(0xff, 0x00, 0x00), /* red */
404 QEMU_RGB(0x00, 0xff, 0x00), /* green */
405 QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
406 QEMU_RGB(0x00, 0x00, 0xff), /* blue */
407 QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
408 QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
409 QEMU_RGB(0xff, 0xff, 0xff), /* white */
413 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
414 TextAttributes *t_attrib)
416 static pixman_image_t *glyphs[256];
417 DisplaySurface *surface = qemu_console_surface(s);
418 pixman_color_t fgcol, bgcol;
420 if (t_attrib->invers) {
421 bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
422 fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
423 } else {
424 fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
425 bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
428 if (!glyphs[ch]) {
429 glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
431 qemu_pixman_glyph_render(glyphs[ch], surface->image,
432 &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
435 static void text_console_resize(QemuConsole *s)
437 TextCell *cells, *c, *c1;
438 int w1, x, y, last_width;
440 last_width = s->width;
441 s->width = surface_width(s->surface) / FONT_WIDTH;
442 s->height = surface_height(s->surface) / FONT_HEIGHT;
444 w1 = last_width;
445 if (s->width < w1)
446 w1 = s->width;
448 cells = g_malloc(s->width * s->total_height * sizeof(TextCell));
449 for(y = 0; y < s->total_height; y++) {
450 c = &cells[y * s->width];
451 if (w1 > 0) {
452 c1 = &s->cells[y * last_width];
453 for(x = 0; x < w1; x++) {
454 *c++ = *c1++;
457 for(x = w1; x < s->width; x++) {
458 c->ch = ' ';
459 c->t_attrib = s->t_attrib_default;
460 c++;
463 g_free(s->cells);
464 s->cells = cells;
467 static inline void text_update_xy(QemuConsole *s, int x, int y)
469 s->text_x[0] = MIN(s->text_x[0], x);
470 s->text_x[1] = MAX(s->text_x[1], x);
471 s->text_y[0] = MIN(s->text_y[0], y);
472 s->text_y[1] = MAX(s->text_y[1], y);
475 static void invalidate_xy(QemuConsole *s, int x, int y)
477 if (s->update_x0 > x * FONT_WIDTH)
478 s->update_x0 = x * FONT_WIDTH;
479 if (s->update_y0 > y * FONT_HEIGHT)
480 s->update_y0 = y * FONT_HEIGHT;
481 if (s->update_x1 < (x + 1) * FONT_WIDTH)
482 s->update_x1 = (x + 1) * FONT_WIDTH;
483 if (s->update_y1 < (y + 1) * FONT_HEIGHT)
484 s->update_y1 = (y + 1) * FONT_HEIGHT;
487 static void update_xy(QemuConsole *s, int x, int y)
489 TextCell *c;
490 int y1, y2;
492 if (!qemu_console_is_visible(s)) {
493 return;
496 if (s->ds->have_text) {
497 text_update_xy(s, x, y);
500 if (s->ds->have_gfx) {
501 y1 = (s->y_base + y) % s->total_height;
502 y2 = y1 - s->y_displayed;
503 if (y2 < 0)
504 y2 += s->total_height;
505 if (y2 < s->height) {
506 c = &s->cells[y1 * s->width + x];
507 vga_putcharxy(s, x, y2, c->ch,
508 &(c->t_attrib));
509 invalidate_xy(s, x, y2);
514 static void console_show_cursor(QemuConsole *s, int show)
516 TextCell *c;
517 int y, y1;
518 int x = s->x;
520 if (!qemu_console_is_visible(s)) {
521 return;
524 if (s->ds->have_text) {
525 s->cursor_invalidate = 1;
528 if (s->ds->have_gfx) {
529 if (x >= s->width) {
530 x = s->width - 1;
532 y1 = (s->y_base + s->y) % s->total_height;
533 y = y1 - s->y_displayed;
534 if (y < 0)
535 y += s->total_height;
536 if (y < s->height) {
537 c = &s->cells[y1 * s->width + x];
538 if (show && s->cursor_visible_phase) {
539 TextAttributes t_attrib = s->t_attrib_default;
540 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
541 vga_putcharxy(s, x, y, c->ch, &t_attrib);
542 } else {
543 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
545 invalidate_xy(s, x, y);
550 static void console_refresh(QemuConsole *s)
552 DisplaySurface *surface = qemu_console_surface(s);
553 TextCell *c;
554 int x, y, y1;
556 if (!qemu_console_is_visible(s)) {
557 return;
560 if (s->ds->have_text) {
561 s->text_x[0] = 0;
562 s->text_y[0] = 0;
563 s->text_x[1] = s->width - 1;
564 s->text_y[1] = s->height - 1;
565 s->cursor_invalidate = 1;
568 if (s->ds->have_gfx) {
569 vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
570 color_table_rgb[0][COLOR_BLACK]);
571 y1 = s->y_displayed;
572 for (y = 0; y < s->height; y++) {
573 c = s->cells + y1 * s->width;
574 for (x = 0; x < s->width; x++) {
575 vga_putcharxy(s, x, y, c->ch,
576 &(c->t_attrib));
577 c++;
579 if (++y1 == s->total_height) {
580 y1 = 0;
583 console_show_cursor(s, 1);
584 dpy_gfx_update(s, 0, 0,
585 surface_width(surface), surface_height(surface));
589 static void console_scroll(QemuConsole *s, int ydelta)
591 int i, y1;
593 if (ydelta > 0) {
594 for(i = 0; i < ydelta; i++) {
595 if (s->y_displayed == s->y_base)
596 break;
597 if (++s->y_displayed == s->total_height)
598 s->y_displayed = 0;
600 } else {
601 ydelta = -ydelta;
602 i = s->backscroll_height;
603 if (i > s->total_height - s->height)
604 i = s->total_height - s->height;
605 y1 = s->y_base - i;
606 if (y1 < 0)
607 y1 += s->total_height;
608 for(i = 0; i < ydelta; i++) {
609 if (s->y_displayed == y1)
610 break;
611 if (--s->y_displayed < 0)
612 s->y_displayed = s->total_height - 1;
615 console_refresh(s);
618 static void console_put_lf(QemuConsole *s)
620 TextCell *c;
621 int x, y1;
623 s->y++;
624 if (s->y >= s->height) {
625 s->y = s->height - 1;
627 if (s->y_displayed == s->y_base) {
628 if (++s->y_displayed == s->total_height)
629 s->y_displayed = 0;
631 if (++s->y_base == s->total_height)
632 s->y_base = 0;
633 if (s->backscroll_height < s->total_height)
634 s->backscroll_height++;
635 y1 = (s->y_base + s->height - 1) % s->total_height;
636 c = &s->cells[y1 * s->width];
637 for(x = 0; x < s->width; x++) {
638 c->ch = ' ';
639 c->t_attrib = s->t_attrib_default;
640 c++;
642 if (qemu_console_is_visible(s) && s->y_displayed == s->y_base) {
643 if (s->ds->have_text) {
644 s->text_x[0] = 0;
645 s->text_y[0] = 0;
646 s->text_x[1] = s->width - 1;
647 s->text_y[1] = s->height - 1;
650 if (s->ds->have_gfx) {
651 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
652 s->width * FONT_WIDTH,
653 (s->height - 1) * FONT_HEIGHT);
654 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
655 s->width * FONT_WIDTH, FONT_HEIGHT,
656 color_table_rgb[0][s->t_attrib_default.bgcol]);
657 s->update_x0 = 0;
658 s->update_y0 = 0;
659 s->update_x1 = s->width * FONT_WIDTH;
660 s->update_y1 = s->height * FONT_HEIGHT;
666 /* Set console attributes depending on the current escape codes.
667 * NOTE: I know this code is not very efficient (checking every color for it
668 * self) but it is more readable and better maintainable.
670 static void console_handle_escape(QemuConsole *s)
672 int i;
674 for (i=0; i<s->nb_esc_params; i++) {
675 switch (s->esc_params[i]) {
676 case 0: /* reset all console attributes to default */
677 s->t_attrib = s->t_attrib_default;
678 break;
679 case 1:
680 s->t_attrib.bold = 1;
681 break;
682 case 4:
683 s->t_attrib.uline = 1;
684 break;
685 case 5:
686 s->t_attrib.blink = 1;
687 break;
688 case 7:
689 s->t_attrib.invers = 1;
690 break;
691 case 8:
692 s->t_attrib.unvisible = 1;
693 break;
694 case 22:
695 s->t_attrib.bold = 0;
696 break;
697 case 24:
698 s->t_attrib.uline = 0;
699 break;
700 case 25:
701 s->t_attrib.blink = 0;
702 break;
703 case 27:
704 s->t_attrib.invers = 0;
705 break;
706 case 28:
707 s->t_attrib.unvisible = 0;
708 break;
709 /* set foreground color */
710 case 30:
711 s->t_attrib.fgcol=COLOR_BLACK;
712 break;
713 case 31:
714 s->t_attrib.fgcol=COLOR_RED;
715 break;
716 case 32:
717 s->t_attrib.fgcol=COLOR_GREEN;
718 break;
719 case 33:
720 s->t_attrib.fgcol=COLOR_YELLOW;
721 break;
722 case 34:
723 s->t_attrib.fgcol=COLOR_BLUE;
724 break;
725 case 35:
726 s->t_attrib.fgcol=COLOR_MAGENTA;
727 break;
728 case 36:
729 s->t_attrib.fgcol=COLOR_CYAN;
730 break;
731 case 37:
732 s->t_attrib.fgcol=COLOR_WHITE;
733 break;
734 /* set background color */
735 case 40:
736 s->t_attrib.bgcol=COLOR_BLACK;
737 break;
738 case 41:
739 s->t_attrib.bgcol=COLOR_RED;
740 break;
741 case 42:
742 s->t_attrib.bgcol=COLOR_GREEN;
743 break;
744 case 43:
745 s->t_attrib.bgcol=COLOR_YELLOW;
746 break;
747 case 44:
748 s->t_attrib.bgcol=COLOR_BLUE;
749 break;
750 case 45:
751 s->t_attrib.bgcol=COLOR_MAGENTA;
752 break;
753 case 46:
754 s->t_attrib.bgcol=COLOR_CYAN;
755 break;
756 case 47:
757 s->t_attrib.bgcol=COLOR_WHITE;
758 break;
763 static void console_clear_xy(QemuConsole *s, int x, int y)
765 int y1 = (s->y_base + y) % s->total_height;
766 TextCell *c = &s->cells[y1 * s->width + x];
767 c->ch = ' ';
768 c->t_attrib = s->t_attrib_default;
769 update_xy(s, x, y);
772 /* set cursor, checking bounds */
773 static void set_cursor(QemuConsole *s, int x, int y)
775 if (x < 0) {
776 x = 0;
778 if (y < 0) {
779 y = 0;
781 if (y >= s->height) {
782 y = s->height - 1;
784 if (x >= s->width) {
785 x = s->width - 1;
788 s->x = x;
789 s->y = y;
792 static void console_putchar(QemuConsole *s, int ch)
794 TextCell *c;
795 int y1, i;
796 int x, y;
798 switch(s->state) {
799 case TTY_STATE_NORM:
800 switch(ch) {
801 case '\r': /* carriage return */
802 s->x = 0;
803 break;
804 case '\n': /* newline */
805 console_put_lf(s);
806 break;
807 case '\b': /* backspace */
808 if (s->x > 0)
809 s->x--;
810 break;
811 case '\t': /* tabspace */
812 if (s->x + (8 - (s->x % 8)) > s->width) {
813 s->x = 0;
814 console_put_lf(s);
815 } else {
816 s->x = s->x + (8 - (s->x % 8));
818 break;
819 case '\a': /* alert aka. bell */
820 /* TODO: has to be implemented */
821 break;
822 case 14:
823 /* SI (shift in), character set 0 (ignored) */
824 break;
825 case 15:
826 /* SO (shift out), character set 1 (ignored) */
827 break;
828 case 27: /* esc (introducing an escape sequence) */
829 s->state = TTY_STATE_ESC;
830 break;
831 default:
832 if (s->x >= s->width) {
833 /* line wrap */
834 s->x = 0;
835 console_put_lf(s);
837 y1 = (s->y_base + s->y) % s->total_height;
838 c = &s->cells[y1 * s->width + s->x];
839 c->ch = ch;
840 c->t_attrib = s->t_attrib;
841 update_xy(s, s->x, s->y);
842 s->x++;
843 break;
845 break;
846 case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
847 if (ch == '[') {
848 for(i=0;i<MAX_ESC_PARAMS;i++)
849 s->esc_params[i] = 0;
850 s->nb_esc_params = 0;
851 s->state = TTY_STATE_CSI;
852 } else {
853 s->state = TTY_STATE_NORM;
855 break;
856 case TTY_STATE_CSI: /* handle escape sequence parameters */
857 if (ch >= '0' && ch <= '9') {
858 if (s->nb_esc_params < MAX_ESC_PARAMS) {
859 int *param = &s->esc_params[s->nb_esc_params];
860 int digit = (ch - '0');
862 *param = (*param <= (INT_MAX - digit) / 10) ?
863 *param * 10 + digit : INT_MAX;
865 } else {
866 if (s->nb_esc_params < MAX_ESC_PARAMS)
867 s->nb_esc_params++;
868 if (ch == ';')
869 break;
870 trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
871 ch, s->nb_esc_params);
872 s->state = TTY_STATE_NORM;
873 switch(ch) {
874 case 'A':
875 /* move cursor up */
876 if (s->esc_params[0] == 0) {
877 s->esc_params[0] = 1;
879 set_cursor(s, s->x, s->y - s->esc_params[0]);
880 break;
881 case 'B':
882 /* move cursor down */
883 if (s->esc_params[0] == 0) {
884 s->esc_params[0] = 1;
886 set_cursor(s, s->x, s->y + s->esc_params[0]);
887 break;
888 case 'C':
889 /* move cursor right */
890 if (s->esc_params[0] == 0) {
891 s->esc_params[0] = 1;
893 set_cursor(s, s->x + s->esc_params[0], s->y);
894 break;
895 case 'D':
896 /* move cursor left */
897 if (s->esc_params[0] == 0) {
898 s->esc_params[0] = 1;
900 set_cursor(s, s->x - s->esc_params[0], s->y);
901 break;
902 case 'G':
903 /* move cursor to column */
904 set_cursor(s, s->esc_params[0] - 1, s->y);
905 break;
906 case 'f':
907 case 'H':
908 /* move cursor to row, column */
909 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
910 break;
911 case 'J':
912 switch (s->esc_params[0]) {
913 case 0:
914 /* clear to end of screen */
915 for (y = s->y; y < s->height; y++) {
916 for (x = 0; x < s->width; x++) {
917 if (y == s->y && x < s->x) {
918 continue;
920 console_clear_xy(s, x, y);
923 break;
924 case 1:
925 /* clear from beginning of screen */
926 for (y = 0; y <= s->y; y++) {
927 for (x = 0; x < s->width; x++) {
928 if (y == s->y && x > s->x) {
929 break;
931 console_clear_xy(s, x, y);
934 break;
935 case 2:
936 /* clear entire screen */
937 for (y = 0; y <= s->height; y++) {
938 for (x = 0; x < s->width; x++) {
939 console_clear_xy(s, x, y);
942 break;
944 break;
945 case 'K':
946 switch (s->esc_params[0]) {
947 case 0:
948 /* clear to eol */
949 for(x = s->x; x < s->width; x++) {
950 console_clear_xy(s, x, s->y);
952 break;
953 case 1:
954 /* clear from beginning of line */
955 for (x = 0; x <= s->x; x++) {
956 console_clear_xy(s, x, s->y);
958 break;
959 case 2:
960 /* clear entire line */
961 for(x = 0; x < s->width; x++) {
962 console_clear_xy(s, x, s->y);
964 break;
966 break;
967 case 'm':
968 console_handle_escape(s);
969 break;
970 case 'n':
971 /* report cursor position */
972 /* TODO: send ESC[row;colR */
973 break;
974 case 's':
975 /* save cursor position */
976 s->x_saved = s->x;
977 s->y_saved = s->y;
978 break;
979 case 'u':
980 /* restore cursor position */
981 s->x = s->x_saved;
982 s->y = s->y_saved;
983 break;
984 default:
985 trace_console_putchar_unhandled(ch);
986 break;
988 break;
993 void console_select(unsigned int index)
995 DisplayChangeListener *dcl;
996 QemuConsole *s;
998 if (index >= MAX_CONSOLES)
999 return;
1001 trace_console_select(index);
1002 s = qemu_console_lookup_by_index(index);
1003 if (s) {
1004 DisplayState *ds = s->ds;
1006 if (active_console && active_console->cursor_timer) {
1007 timer_del(active_console->cursor_timer);
1009 active_console = s;
1010 if (ds->have_gfx) {
1011 QLIST_FOREACH(dcl, &ds->listeners, next) {
1012 if (dcl->con != NULL) {
1013 continue;
1015 if (dcl->ops->dpy_gfx_switch) {
1016 dcl->ops->dpy_gfx_switch(dcl, s->surface);
1019 dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1020 surface_height(s->surface));
1022 if (ds->have_text) {
1023 dpy_text_resize(s, s->width, s->height);
1025 if (s->cursor_timer) {
1026 timer_mod(s->cursor_timer,
1027 qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + CONSOLE_CURSOR_PERIOD / 2);
1032 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1034 QemuConsole *s = chr->opaque;
1035 int i;
1037 s->update_x0 = s->width * FONT_WIDTH;
1038 s->update_y0 = s->height * FONT_HEIGHT;
1039 s->update_x1 = 0;
1040 s->update_y1 = 0;
1041 console_show_cursor(s, 0);
1042 for(i = 0; i < len; i++) {
1043 console_putchar(s, buf[i]);
1045 console_show_cursor(s, 1);
1046 if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1047 dpy_gfx_update(s, s->update_x0, s->update_y0,
1048 s->update_x1 - s->update_x0,
1049 s->update_y1 - s->update_y0);
1051 return len;
1054 static void kbd_send_chars(void *opaque)
1056 QemuConsole *s = opaque;
1057 int len;
1058 uint8_t buf[16];
1060 len = qemu_chr_be_can_write(s->chr);
1061 if (len > s->out_fifo.count)
1062 len = s->out_fifo.count;
1063 if (len > 0) {
1064 if (len > sizeof(buf))
1065 len = sizeof(buf);
1066 qemu_fifo_read(&s->out_fifo, buf, len);
1067 qemu_chr_be_write(s->chr, buf, len);
1069 /* characters are pending: we send them a bit later (XXX:
1070 horrible, should change char device API) */
1071 if (s->out_fifo.count > 0) {
1072 timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
1076 /* called when an ascii key is pressed */
1077 void kbd_put_keysym(int keysym)
1079 QemuConsole *s;
1080 uint8_t buf[16], *q;
1081 int c;
1083 s = active_console;
1084 if (!s || (s->console_type == GRAPHIC_CONSOLE))
1085 return;
1087 switch(keysym) {
1088 case QEMU_KEY_CTRL_UP:
1089 console_scroll(s, -1);
1090 break;
1091 case QEMU_KEY_CTRL_DOWN:
1092 console_scroll(s, 1);
1093 break;
1094 case QEMU_KEY_CTRL_PAGEUP:
1095 console_scroll(s, -10);
1096 break;
1097 case QEMU_KEY_CTRL_PAGEDOWN:
1098 console_scroll(s, 10);
1099 break;
1100 default:
1101 /* convert the QEMU keysym to VT100 key string */
1102 q = buf;
1103 if (keysym >= 0xe100 && keysym <= 0xe11f) {
1104 *q++ = '\033';
1105 *q++ = '[';
1106 c = keysym - 0xe100;
1107 if (c >= 10)
1108 *q++ = '0' + (c / 10);
1109 *q++ = '0' + (c % 10);
1110 *q++ = '~';
1111 } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1112 *q++ = '\033';
1113 *q++ = '[';
1114 *q++ = keysym & 0xff;
1115 } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1116 console_puts(s->chr, (const uint8_t *) "\r", 1);
1117 *q++ = '\n';
1118 } else {
1119 *q++ = keysym;
1121 if (s->echo) {
1122 console_puts(s->chr, buf, q - buf);
1124 if (s->chr->chr_read) {
1125 qemu_fifo_write(&s->out_fifo, buf, q - buf);
1126 kbd_send_chars(s);
1128 break;
1132 static void text_console_invalidate(void *opaque)
1134 QemuConsole *s = (QemuConsole *) opaque;
1136 if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1137 text_console_resize(s);
1139 console_refresh(s);
1142 static void text_console_update(void *opaque, console_ch_t *chardata)
1144 QemuConsole *s = (QemuConsole *) opaque;
1145 int i, j, src;
1147 if (s->text_x[0] <= s->text_x[1]) {
1148 src = (s->y_base + s->text_y[0]) * s->width;
1149 chardata += s->text_y[0] * s->width;
1150 for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1151 for (j = 0; j < s->width; j ++, src ++)
1152 console_write_ch(chardata ++, s->cells[src].ch |
1153 (s->cells[src].t_attrib.fgcol << 12) |
1154 (s->cells[src].t_attrib.bgcol << 8) |
1155 (s->cells[src].t_attrib.bold << 21));
1156 dpy_text_update(s, s->text_x[0], s->text_y[0],
1157 s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1158 s->text_x[0] = s->width;
1159 s->text_y[0] = s->height;
1160 s->text_x[1] = 0;
1161 s->text_y[1] = 0;
1163 if (s->cursor_invalidate) {
1164 dpy_text_cursor(s, s->x, s->y);
1165 s->cursor_invalidate = 0;
1169 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type)
1171 Error *local_err = NULL;
1172 Object *obj;
1173 QemuConsole *s;
1174 int i;
1176 if (nb_consoles >= MAX_CONSOLES)
1177 return NULL;
1179 obj = object_new(TYPE_QEMU_CONSOLE);
1180 s = QEMU_CONSOLE(obj);
1181 object_property_add_link(obj, "device", TYPE_DEVICE,
1182 (Object **)&s->device, &local_err);
1183 object_property_add_uint32_ptr(obj, "head",
1184 &s->head, &local_err);
1186 if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1187 (console_type == GRAPHIC_CONSOLE))) {
1188 active_console = s;
1190 s->ds = ds;
1191 s->console_type = console_type;
1192 if (console_type != GRAPHIC_CONSOLE) {
1193 s->index = nb_consoles;
1194 consoles[nb_consoles++] = s;
1195 } else {
1196 /* HACK: Put graphical consoles before text consoles. */
1197 for (i = nb_consoles; i > 0; i--) {
1198 if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1199 break;
1200 consoles[i] = consoles[i - 1];
1201 consoles[i]->index = i;
1203 s->index = i;
1204 consoles[i] = s;
1205 nb_consoles++;
1207 return s;
1210 static void qemu_alloc_display(DisplaySurface *surface, int width, int height,
1211 int linesize, PixelFormat pf, int newflags)
1213 surface->pf = pf;
1215 qemu_pixman_image_unref(surface->image);
1216 surface->image = NULL;
1218 surface->format = qemu_pixman_get_format(&pf);
1219 assert(surface->format != 0);
1220 surface->image = pixman_image_create_bits(surface->format,
1221 width, height,
1222 NULL, linesize);
1223 assert(surface->image != NULL);
1225 surface->flags = newflags | QEMU_ALLOCATED_FLAG;
1226 #ifdef HOST_WORDS_BIGENDIAN
1227 surface->flags |= QEMU_BIG_ENDIAN_FLAG;
1228 #endif
1231 DisplaySurface *qemu_create_displaysurface(int width, int height)
1233 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1234 int linesize = width * 4;
1236 trace_displaysurface_create(surface, width, height);
1237 qemu_alloc_display(surface, width, height, linesize,
1238 qemu_default_pixelformat(32), 0);
1239 return surface;
1242 DisplaySurface *qemu_create_displaysurface_from(int width, int height, int bpp,
1243 int linesize, uint8_t *data,
1244 bool byteswap)
1246 DisplaySurface *surface = g_new0(DisplaySurface, 1);
1248 trace_displaysurface_create_from(surface, width, height, bpp, byteswap);
1249 if (byteswap) {
1250 surface->pf = qemu_different_endianness_pixelformat(bpp);
1251 } else {
1252 surface->pf = qemu_default_pixelformat(bpp);
1255 surface->format = qemu_pixman_get_format(&surface->pf);
1256 assert(surface->format != 0);
1257 surface->image = pixman_image_create_bits(surface->format,
1258 width, height,
1259 (void *)data, linesize);
1260 assert(surface->image != NULL);
1262 #ifdef HOST_WORDS_BIGENDIAN
1263 surface->flags = QEMU_BIG_ENDIAN_FLAG;
1264 #endif
1266 return surface;
1269 static DisplaySurface *qemu_create_dummy_surface(void)
1271 static const char msg[] =
1272 "This VM has no graphic display device.";
1273 DisplaySurface *surface = qemu_create_displaysurface(640, 480);
1274 pixman_color_t bg = color_table_rgb[0][COLOR_BLACK];
1275 pixman_color_t fg = color_table_rgb[0][COLOR_WHITE];
1276 pixman_image_t *glyph;
1277 int len, x, y, i;
1279 len = strlen(msg);
1280 x = (640/FONT_WIDTH - len) / 2;
1281 y = (480/FONT_HEIGHT - 1) / 2;
1282 for (i = 0; i < len; i++) {
1283 glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
1284 qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
1285 x+i, y, FONT_WIDTH, FONT_HEIGHT);
1286 qemu_pixman_image_unref(glyph);
1288 return surface;
1291 void qemu_free_displaysurface(DisplaySurface *surface)
1293 if (surface == NULL) {
1294 return;
1296 trace_displaysurface_free(surface);
1297 qemu_pixman_image_unref(surface->image);
1298 g_free(surface);
1301 void register_displaychangelistener(DisplayChangeListener *dcl)
1303 static DisplaySurface *dummy;
1304 QemuConsole *con;
1306 trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1307 dcl->ds = get_alloc_displaystate();
1308 QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
1309 gui_setup_refresh(dcl->ds);
1310 if (dcl->con) {
1311 dcl->con->dcls++;
1312 con = dcl->con;
1313 } else {
1314 con = active_console;
1316 if (dcl->ops->dpy_gfx_switch) {
1317 if (con) {
1318 dcl->ops->dpy_gfx_switch(dcl, con->surface);
1319 } else {
1320 if (!dummy) {
1321 dummy = qemu_create_dummy_surface();
1323 dcl->ops->dpy_gfx_switch(dcl, dummy);
1328 void update_displaychangelistener(DisplayChangeListener *dcl,
1329 uint64_t interval)
1331 DisplayState *ds = dcl->ds;
1333 dcl->update_interval = interval;
1334 if (!ds->refreshing && ds->update_interval > interval) {
1335 timer_mod(ds->gui_timer, ds->last_update + interval);
1339 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1341 DisplayState *ds = dcl->ds;
1342 trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1343 if (dcl->con) {
1344 dcl->con->dcls--;
1346 QLIST_REMOVE(dcl, next);
1347 gui_setup_refresh(ds);
1350 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1352 DisplayState *s = con->ds;
1353 DisplayChangeListener *dcl;
1354 int width = surface_width(con->surface);
1355 int height = surface_height(con->surface);
1357 x = MAX(x, 0);
1358 y = MAX(y, 0);
1359 x = MIN(x, width);
1360 y = MIN(y, height);
1361 w = MIN(w, width - x);
1362 h = MIN(h, height - y);
1364 if (!qemu_console_is_visible(con)) {
1365 return;
1367 QLIST_FOREACH(dcl, &s->listeners, next) {
1368 if (con != (dcl->con ? dcl->con : active_console)) {
1369 continue;
1371 if (dcl->ops->dpy_gfx_update) {
1372 dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1377 void dpy_gfx_replace_surface(QemuConsole *con,
1378 DisplaySurface *surface)
1380 DisplayState *s = con->ds;
1381 DisplaySurface *old_surface = con->surface;
1382 DisplayChangeListener *dcl;
1384 con->surface = surface;
1385 QLIST_FOREACH(dcl, &s->listeners, next) {
1386 if (con != (dcl->con ? dcl->con : active_console)) {
1387 continue;
1389 if (dcl->ops->dpy_gfx_switch) {
1390 dcl->ops->dpy_gfx_switch(dcl, surface);
1393 qemu_free_displaysurface(old_surface);
1396 void dpy_refresh(DisplayState *s)
1398 DisplayChangeListener *dcl;
1400 QLIST_FOREACH(dcl, &s->listeners, next) {
1401 if (dcl->ops->dpy_refresh) {
1402 dcl->ops->dpy_refresh(dcl);
1407 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1408 int dst_x, int dst_y, int w, int h)
1410 DisplayState *s = con->ds;
1411 DisplayChangeListener *dcl;
1413 if (!qemu_console_is_visible(con)) {
1414 return;
1416 QLIST_FOREACH(dcl, &s->listeners, next) {
1417 if (con != (dcl->con ? dcl->con : active_console)) {
1418 continue;
1420 if (dcl->ops->dpy_gfx_copy) {
1421 dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1422 } else { /* TODO */
1423 dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1428 void dpy_text_cursor(QemuConsole *con, int x, int y)
1430 DisplayState *s = con->ds;
1431 DisplayChangeListener *dcl;
1433 if (!qemu_console_is_visible(con)) {
1434 return;
1436 QLIST_FOREACH(dcl, &s->listeners, next) {
1437 if (con != (dcl->con ? dcl->con : active_console)) {
1438 continue;
1440 if (dcl->ops->dpy_text_cursor) {
1441 dcl->ops->dpy_text_cursor(dcl, x, y);
1446 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1448 DisplayState *s = con->ds;
1449 DisplayChangeListener *dcl;
1451 if (!qemu_console_is_visible(con)) {
1452 return;
1454 QLIST_FOREACH(dcl, &s->listeners, next) {
1455 if (con != (dcl->con ? dcl->con : active_console)) {
1456 continue;
1458 if (dcl->ops->dpy_text_update) {
1459 dcl->ops->dpy_text_update(dcl, x, y, w, h);
1464 void dpy_text_resize(QemuConsole *con, int w, int h)
1466 DisplayState *s = con->ds;
1467 struct DisplayChangeListener *dcl;
1469 if (!qemu_console_is_visible(con)) {
1470 return;
1472 QLIST_FOREACH(dcl, &s->listeners, next) {
1473 if (con != (dcl->con ? dcl->con : active_console)) {
1474 continue;
1476 if (dcl->ops->dpy_text_resize) {
1477 dcl->ops->dpy_text_resize(dcl, w, h);
1482 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1484 DisplayState *s = con->ds;
1485 DisplayChangeListener *dcl;
1487 if (!qemu_console_is_visible(con)) {
1488 return;
1490 QLIST_FOREACH(dcl, &s->listeners, next) {
1491 if (con != (dcl->con ? dcl->con : active_console)) {
1492 continue;
1494 if (dcl->ops->dpy_mouse_set) {
1495 dcl->ops->dpy_mouse_set(dcl, x, y, on);
1500 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1502 DisplayState *s = con->ds;
1503 DisplayChangeListener *dcl;
1505 if (!qemu_console_is_visible(con)) {
1506 return;
1508 QLIST_FOREACH(dcl, &s->listeners, next) {
1509 if (con != (dcl->con ? dcl->con : active_console)) {
1510 continue;
1512 if (dcl->ops->dpy_cursor_define) {
1513 dcl->ops->dpy_cursor_define(dcl, cursor);
1518 bool dpy_cursor_define_supported(QemuConsole *con)
1520 DisplayState *s = con->ds;
1521 DisplayChangeListener *dcl;
1523 QLIST_FOREACH(dcl, &s->listeners, next) {
1524 if (dcl->ops->dpy_cursor_define) {
1525 return true;
1528 return false;
1531 /***********************************************************/
1532 /* register display */
1534 /* console.c internal use only */
1535 static DisplayState *get_alloc_displaystate(void)
1537 if (!display_state) {
1538 display_state = g_new0(DisplayState, 1);
1540 return display_state;
1544 * Called by main(), after creating QemuConsoles
1545 * and before initializing ui (sdl/vnc/...).
1547 DisplayState *init_displaystate(void)
1549 Error *local_err = NULL;
1550 gchar *name;
1551 int i;
1553 if (!display_state) {
1554 display_state = g_new0(DisplayState, 1);
1557 for (i = 0; i < nb_consoles; i++) {
1558 if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
1559 consoles[i]->ds == NULL) {
1560 text_console_do_init(consoles[i]->chr, display_state);
1563 /* Hook up into the qom tree here (not in new_console()), once
1564 * all QemuConsoles are created and the order / numbering
1565 * doesn't change any more */
1566 name = g_strdup_printf("console[%d]", i);
1567 object_property_add_child(container_get(object_get_root(), "/backend"),
1568 name, OBJECT(consoles[i]), &local_err);
1569 g_free(name);
1572 return display_state;
1575 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
1576 const GraphicHwOps *hw_ops,
1577 void *opaque)
1579 Error *local_err = NULL;
1580 int width = 640;
1581 int height = 480;
1582 QemuConsole *s;
1583 DisplayState *ds;
1585 ds = get_alloc_displaystate();
1586 trace_console_gfx_new();
1587 s = new_console(ds, GRAPHIC_CONSOLE);
1588 s->hw_ops = hw_ops;
1589 s->hw = opaque;
1590 if (dev) {
1591 object_property_set_link(OBJECT(s), OBJECT(dev),
1592 "device", &local_err);
1593 object_property_set_int(OBJECT(s), head,
1594 "head", &local_err);
1597 s->surface = qemu_create_displaysurface(width, height);
1598 return s;
1601 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1603 if (index >= MAX_CONSOLES) {
1604 return NULL;
1606 return consoles[index];
1609 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
1611 Error *local_err = NULL;
1612 Object *obj;
1613 uint32_t h;
1614 int i;
1616 for (i = 0; i < nb_consoles; i++) {
1617 if (!consoles[i]) {
1618 continue;
1620 obj = object_property_get_link(OBJECT(consoles[i]),
1621 "device", &local_err);
1622 if (DEVICE(obj) != dev) {
1623 continue;
1625 h = object_property_get_int(OBJECT(consoles[i]),
1626 "head", &local_err);
1627 if (h != head) {
1628 continue;
1630 return consoles[i];
1632 return NULL;
1635 bool qemu_console_is_visible(QemuConsole *con)
1637 return (con == active_console) || (con->dcls > 0);
1640 bool qemu_console_is_graphic(QemuConsole *con)
1642 if (con == NULL) {
1643 con = active_console;
1645 return con && (con->console_type == GRAPHIC_CONSOLE);
1648 bool qemu_console_is_fixedsize(QemuConsole *con)
1650 if (con == NULL) {
1651 con = active_console;
1653 return con && (con->console_type != TEXT_CONSOLE);
1656 int qemu_console_get_index(QemuConsole *con)
1658 if (con == NULL) {
1659 con = active_console;
1661 return con ? con->index : -1;
1664 uint32_t qemu_console_get_head(QemuConsole *con)
1666 if (con == NULL) {
1667 con = active_console;
1669 return con ? con->head : -1;
1672 int qemu_console_get_width(QemuConsole *con, int fallback)
1674 if (con == NULL) {
1675 con = active_console;
1677 return con ? surface_width(con->surface) : fallback;
1680 int qemu_console_get_height(QemuConsole *con, int fallback)
1682 if (con == NULL) {
1683 con = active_console;
1685 return con ? surface_height(con->surface) : fallback;
1688 static void text_console_set_echo(CharDriverState *chr, bool echo)
1690 QemuConsole *s = chr->opaque;
1692 s->echo = echo;
1695 static void text_console_update_cursor(void *opaque)
1697 QemuConsole *s = opaque;
1699 s->cursor_visible_phase = !s->cursor_visible_phase;
1700 graphic_hw_invalidate(s);
1701 timer_mod(s->cursor_timer,
1702 qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + CONSOLE_CURSOR_PERIOD / 2);
1705 static const GraphicHwOps text_console_ops = {
1706 .invalidate = text_console_invalidate,
1707 .text_update = text_console_update,
1710 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1712 QemuConsole *s;
1713 int g_width = 80 * FONT_WIDTH;
1714 int g_height = 24 * FONT_HEIGHT;
1716 s = chr->opaque;
1718 chr->chr_write = console_puts;
1720 s->out_fifo.buf = s->out_fifo_buf;
1721 s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1722 s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
1723 s->ds = ds;
1725 s->y_displayed = 0;
1726 s->y_base = 0;
1727 s->total_height = DEFAULT_BACKSCROLL;
1728 s->x = 0;
1729 s->y = 0;
1730 if (!s->surface) {
1731 if (active_console && active_console->surface) {
1732 g_width = surface_width(active_console->surface);
1733 g_height = surface_height(active_console->surface);
1735 s->surface = qemu_create_displaysurface(g_width, g_height);
1738 s->cursor_timer =
1739 timer_new_ms(QEMU_CLOCK_REALTIME, text_console_update_cursor, s);
1741 s->hw_ops = &text_console_ops;
1742 s->hw = s;
1744 /* Set text attribute defaults */
1745 s->t_attrib_default.bold = 0;
1746 s->t_attrib_default.uline = 0;
1747 s->t_attrib_default.blink = 0;
1748 s->t_attrib_default.invers = 0;
1749 s->t_attrib_default.unvisible = 0;
1750 s->t_attrib_default.fgcol = COLOR_WHITE;
1751 s->t_attrib_default.bgcol = COLOR_BLACK;
1752 /* set current text attributes to default */
1753 s->t_attrib = s->t_attrib_default;
1754 text_console_resize(s);
1756 if (chr->label) {
1757 char msg[128];
1758 int len;
1760 s->t_attrib.bgcol = COLOR_BLUE;
1761 len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1762 console_puts(chr, (uint8_t*)msg, len);
1763 s->t_attrib = s->t_attrib_default;
1766 qemu_chr_be_generic_open(chr);
1767 if (chr->init)
1768 chr->init(chr);
1771 static CharDriverState *text_console_init(ChardevVC *vc)
1773 CharDriverState *chr;
1774 QemuConsole *s;
1775 unsigned width = 0;
1776 unsigned height = 0;
1778 chr = g_malloc0(sizeof(CharDriverState));
1780 if (vc->has_width) {
1781 width = vc->width;
1782 } else if (vc->has_cols) {
1783 width = vc->cols * FONT_WIDTH;
1786 if (vc->has_height) {
1787 height = vc->height;
1788 } else if (vc->has_rows) {
1789 height = vc->rows * FONT_HEIGHT;
1792 trace_console_txt_new(width, height);
1793 if (width == 0 || height == 0) {
1794 s = new_console(NULL, TEXT_CONSOLE);
1795 } else {
1796 s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE);
1797 s->surface = qemu_create_displaysurface(width, height);
1800 if (!s) {
1801 g_free(chr);
1802 return NULL;
1805 s->chr = chr;
1806 chr->opaque = s;
1807 chr->chr_set_echo = text_console_set_echo;
1808 /* console/chardev init sometimes completes elsewhere in a 2nd
1809 * stage, so defer OPENED events until they are fully initialized
1811 chr->explicit_be_open = true;
1813 if (display_state) {
1814 text_console_do_init(chr, display_state);
1816 return chr;
1819 static VcHandler *vc_handler = text_console_init;
1821 CharDriverState *vc_init(ChardevVC *vc)
1823 return vc_handler(vc);
1826 void register_vc_handler(VcHandler *handler)
1828 vc_handler = handler;
1831 void qemu_console_resize(QemuConsole *s, int width, int height)
1833 DisplaySurface *surface;
1835 assert(s->console_type == GRAPHIC_CONSOLE);
1836 surface = qemu_create_displaysurface(width, height);
1837 dpy_gfx_replace_surface(s, surface);
1840 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
1841 int dst_x, int dst_y, int w, int h)
1843 assert(con->console_type == GRAPHIC_CONSOLE);
1844 dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
1847 DisplaySurface *qemu_console_surface(QemuConsole *console)
1849 return console->surface;
1852 DisplayState *qemu_console_displaystate(QemuConsole *console)
1854 return console->ds;
1857 PixelFormat qemu_different_endianness_pixelformat(int bpp)
1859 PixelFormat pf;
1861 memset(&pf, 0x00, sizeof(PixelFormat));
1863 pf.bits_per_pixel = bpp;
1864 pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1865 pf.depth = bpp == 32 ? 24 : bpp;
1867 switch (bpp) {
1868 case 24:
1869 pf.rmask = 0x000000FF;
1870 pf.gmask = 0x0000FF00;
1871 pf.bmask = 0x00FF0000;
1872 pf.rmax = 255;
1873 pf.gmax = 255;
1874 pf.bmax = 255;
1875 pf.rshift = 0;
1876 pf.gshift = 8;
1877 pf.bshift = 16;
1878 pf.rbits = 8;
1879 pf.gbits = 8;
1880 pf.bbits = 8;
1881 break;
1882 case 32:
1883 pf.rmask = 0x0000FF00;
1884 pf.gmask = 0x00FF0000;
1885 pf.bmask = 0xFF000000;
1886 pf.amask = 0x00000000;
1887 pf.amax = 255;
1888 pf.rmax = 255;
1889 pf.gmax = 255;
1890 pf.bmax = 255;
1891 pf.ashift = 0;
1892 pf.rshift = 8;
1893 pf.gshift = 16;
1894 pf.bshift = 24;
1895 pf.rbits = 8;
1896 pf.gbits = 8;
1897 pf.bbits = 8;
1898 pf.abits = 8;
1899 break;
1900 default:
1901 break;
1903 return pf;
1906 PixelFormat qemu_default_pixelformat(int bpp)
1908 PixelFormat pf;
1910 memset(&pf, 0x00, sizeof(PixelFormat));
1912 pf.bits_per_pixel = bpp;
1913 pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1914 pf.depth = bpp == 32 ? 24 : bpp;
1916 switch (bpp) {
1917 case 15:
1918 pf.bits_per_pixel = 16;
1919 pf.rmask = 0x00007c00;
1920 pf.gmask = 0x000003E0;
1921 pf.bmask = 0x0000001F;
1922 pf.rmax = 31;
1923 pf.gmax = 31;
1924 pf.bmax = 31;
1925 pf.rshift = 10;
1926 pf.gshift = 5;
1927 pf.bshift = 0;
1928 pf.rbits = 5;
1929 pf.gbits = 5;
1930 pf.bbits = 5;
1931 break;
1932 case 16:
1933 pf.rmask = 0x0000F800;
1934 pf.gmask = 0x000007E0;
1935 pf.bmask = 0x0000001F;
1936 pf.rmax = 31;
1937 pf.gmax = 63;
1938 pf.bmax = 31;
1939 pf.rshift = 11;
1940 pf.gshift = 5;
1941 pf.bshift = 0;
1942 pf.rbits = 5;
1943 pf.gbits = 6;
1944 pf.bbits = 5;
1945 break;
1946 case 24:
1947 pf.rmask = 0x00FF0000;
1948 pf.gmask = 0x0000FF00;
1949 pf.bmask = 0x000000FF;
1950 pf.rmax = 255;
1951 pf.gmax = 255;
1952 pf.bmax = 255;
1953 pf.rshift = 16;
1954 pf.gshift = 8;
1955 pf.bshift = 0;
1956 pf.rbits = 8;
1957 pf.gbits = 8;
1958 pf.bbits = 8;
1959 break;
1960 case 32:
1961 pf.rmask = 0x00FF0000;
1962 pf.gmask = 0x0000FF00;
1963 pf.bmask = 0x000000FF;
1964 pf.rmax = 255;
1965 pf.gmax = 255;
1966 pf.bmax = 255;
1967 pf.rshift = 16;
1968 pf.gshift = 8;
1969 pf.bshift = 0;
1970 pf.rbits = 8;
1971 pf.gbits = 8;
1972 pf.bbits = 8;
1973 break;
1974 default:
1975 break;
1977 return pf;
1980 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
1981 Error **errp)
1983 int val;
1985 backend->vc = g_new0(ChardevVC, 1);
1987 val = qemu_opt_get_number(opts, "width", 0);
1988 if (val != 0) {
1989 backend->vc->has_width = true;
1990 backend->vc->width = val;
1993 val = qemu_opt_get_number(opts, "height", 0);
1994 if (val != 0) {
1995 backend->vc->has_height = true;
1996 backend->vc->height = val;
1999 val = qemu_opt_get_number(opts, "cols", 0);
2000 if (val != 0) {
2001 backend->vc->has_cols = true;
2002 backend->vc->cols = val;
2005 val = qemu_opt_get_number(opts, "rows", 0);
2006 if (val != 0) {
2007 backend->vc->has_rows = true;
2008 backend->vc->rows = val;
2012 static const TypeInfo qemu_console_info = {
2013 .name = TYPE_QEMU_CONSOLE,
2014 .parent = TYPE_OBJECT,
2015 .instance_size = sizeof(QemuConsole),
2016 .class_size = sizeof(QemuConsoleClass),
2020 static void register_types(void)
2022 type_register_static(&qemu_console_info);
2023 register_char_driver_qapi("vc", CHARDEV_BACKEND_KIND_VC,
2024 qemu_chr_parse_vc);
2027 type_init(register_types);