ui/console.c

   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 "hw/qdev-core.h"
  27 #include "qemu/timer.h"
  28 #include "qmp-commands.h"
  29 #include "sysemu/char.h"
  30
  31 //#define DEBUG_CONSOLE
  32 #define DEFAULT_BACKSCROLL 512
  33 #define MAX_CONSOLES 12
  34 #define CONSOLE_CURSOR_PERIOD 500
  35
  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;
  45
  46 typedef struct TextCell {
  47     uint8_t ch;
  48     TextAttributes t_attrib;
  49 } TextCell;
  50
  51 #define MAX_ESC_PARAMS 3
  52
  53 enum TTYState {
  54     TTY_STATE_NORM,
  55     TTY_STATE_ESC,
  56     TTY_STATE_CSI,
  57 };
  58
  59 typedef struct QEMUFIFO {
  60     uint8_t *buf;
  61     int buf_size;
  62     int count, wptr, rptr;
  63 } QEMUFIFO;
  64
  65 static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
  66 {
  67     int l, len;
  68
  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;
  83     }
  84     f->count += len1;
  85     return len1;
  86 }
  87
  88 static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
  89 {
  90     int l, len;
  91
  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;
 105     }
 106     f->count -= len1;
 107     return len1;
 108 }
 109
 110 typedef enum {
 111     GRAPHIC_CONSOLE,
 112     TEXT_CONSOLE,
 113     TEXT_CONSOLE_FIXED_SIZE
 114 } console_type_t;
 115
 116 struct QemuConsole {
 117     Object parent;
 118
 119     int index;
 120     console_type_t console_type;
 121     DisplayState *ds;
 122     DisplaySurface *surface;
 123     int dcls;
 124
 125     /* Graphic console state.  */
 126     Object *device;
 127     const GraphicHwOps *hw_ops;
 128     void *hw;
 129
 130     /* Text console state */
 131     int width;
 132     int height;
 133     int total_height;
 134     int backscroll_height;
 135     int x, y;
 136     int x_saved, y_saved;
 137     int y_displayed;
 138     int y_base;
 139     TextAttributes t_attrib_default; /* default text attributes */
 140     TextAttributes t_attrib; /* currently active text attributes */
 141     TextCell *cells;
 142     int text_x[2], text_y[2], cursor_invalidate;
 143     int echo;
 144     bool cursor_visible_phase;
 145     QEMUTimer *cursor_timer;
 146
 147     int update_x0;
 148     int update_y0;
 149     int update_x1;
 150     int update_y1;
 151
 152     enum TTYState state;
 153     int esc_params[MAX_ESC_PARAMS];
 154     int nb_esc_params;
 155
 156     CharDriverState *chr;
 157     /* fifo for key pressed */
 158     QEMUFIFO out_fifo;
 159     uint8_t out_fifo_buf[16];
 160     QEMUTimer *kbd_timer;
 161 };
 162
 163 struct DisplayState {
 164     struct QEMUTimer *gui_timer;
 165     uint64_t last_update;
 166     uint64_t update_interval;
 167     bool refreshing;
 168     bool have_gfx;
 169     bool have_text;
 170
 171     QLIST_HEAD(, DisplayChangeListener) listeners;
 172 };
 173
 174 static DisplayState *display_state;
 175 static QemuConsole *active_console;
 176 static QemuConsole *consoles[MAX_CONSOLES];
 177 static int nb_consoles = 0;
 178
 179 static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
 180 static void dpy_refresh(DisplayState *s);
 181
 182 static void gui_update(void *opaque)
 183 {
 184     uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
 185     uint64_t dcl_interval;
 186     DisplayState *ds = opaque;
 187     DisplayChangeListener *dcl;
 188     int i;
 189
 190     ds->refreshing = true;
 191     dpy_refresh(ds);
 192     ds->refreshing = false;
 193
 194     QLIST_FOREACH(dcl, &ds->listeners, next) {
 195         dcl_interval = dcl->update_interval ?
 196             dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
 197         if (interval > dcl_interval) {
 198             interval = dcl_interval;
 199         }
 200     }
 201     if (ds->update_interval != interval) {
 202         ds->update_interval = interval;
 203         for (i = 0; i < nb_consoles; i++) {
 204             if (consoles[i]->hw_ops->update_interval) {
 205                 consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
 206             }
 207         }
 208         trace_console_refresh(interval);
 209     }
 210     ds->last_update = qemu_get_clock_ms(rt_clock);
 211     qemu_mod_timer(ds->gui_timer, ds->last_update + interval);
 212 }
 213
 214 static void gui_setup_refresh(DisplayState *ds)
 215 {
 216     DisplayChangeListener *dcl;
 217     bool need_timer = false;
 218     bool have_gfx = false;
 219     bool have_text = false;
 220
 221     QLIST_FOREACH(dcl, &ds->listeners, next) {
 222         if (dcl->ops->dpy_refresh != NULL) {
 223             need_timer = true;
 224         }
 225         if (dcl->ops->dpy_gfx_update != NULL) {
 226             have_gfx = true;
 227         }
 228         if (dcl->ops->dpy_text_update != NULL) {
 229             have_text = true;
 230         }
 231     }
 232
 233     if (need_timer && ds->gui_timer == NULL) {
 234         ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
 235         qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
 236     }
 237     if (!need_timer && ds->gui_timer != NULL) {
 238         qemu_del_timer(ds->gui_timer);
 239         qemu_free_timer(ds->gui_timer);
 240         ds->gui_timer = NULL;
 241     }
 242
 243     ds->have_gfx = have_gfx;
 244     ds->have_text = have_text;
 245 }
 246
 247 void graphic_hw_update(QemuConsole *con)
 248 {
 249     if (!con) {
 250         con = active_console;
 251     }
 252     if (con && con->hw_ops->gfx_update) {
 253         con->hw_ops->gfx_update(con->hw);
 254     }
 255 }
 256
 257 void graphic_hw_invalidate(QemuConsole *con)
 258 {
 259     if (!con) {
 260         con = active_console;
 261     }
 262     if (con && con->hw_ops->invalidate) {
 263         con->hw_ops->invalidate(con->hw);
 264     }
 265 }
 266
 267 static void ppm_save(const char *filename, struct DisplaySurface *ds,
 268                      Error **errp)
 269 {
 270     int width = pixman_image_get_width(ds->image);
 271     int height = pixman_image_get_height(ds->image);
 272     FILE *f;
 273     int y;
 274     int ret;
 275     pixman_image_t *linebuf;
 276
 277     trace_ppm_save(filename, ds);
 278     f = fopen(filename, "wb");
 279     if (!f) {
 280         error_setg(errp, "failed to open file '%s': %s", filename,
 281                    strerror(errno));
 282         return;
 283     }
 284     ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
 285     if (ret < 0) {
 286         linebuf = NULL;
 287         goto write_err;
 288     }
 289     linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
 290     for (y = 0; y < height; y++) {
 291         qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
 292         clearerr(f);
 293         ret = fwrite(pixman_image_get_data(linebuf), 1,
 294                      pixman_image_get_stride(linebuf), f);
 295         (void)ret;
 296         if (ferror(f)) {
 297             goto write_err;
 298         }
 299     }
 300
 301 out:
 302     qemu_pixman_image_unref(linebuf);
 303     fclose(f);
 304     return;
 305
 306 write_err:
 307     error_setg(errp, "failed to write to file '%s': %s", filename,
 308                strerror(errno));
 309     unlink(filename);
 310     goto out;
 311 }
 312
 313 void qmp_screendump(const char *filename, Error **errp)
 314 {
 315     QemuConsole *con = qemu_console_lookup_by_index(0);
 316     DisplaySurface *surface;
 317
 318     if (con == NULL) {
 319         error_setg(errp, "There is no QemuConsole I can screendump from.");
 320         return;
 321     }
 322
 323     graphic_hw_update(con);
 324     surface = qemu_console_surface(con);
 325     ppm_save(filename, surface, errp);
 326 }
 327
 328 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
 329 {
 330     if (!con) {
 331         con = active_console;
 332     }
 333     if (con && con->hw_ops->text_update) {
 334         con->hw_ops->text_update(con->hw, chardata);
 335     }
 336 }
 337
 338 static void vga_fill_rect(QemuConsole *con,
 339                           int posx, int posy, int width, int height,
 340                           pixman_color_t color)
 341 {
 342     DisplaySurface *surface = qemu_console_surface(con);
 343     pixman_rectangle16_t rect = {
 344         .x = posx, .y = posy, .width = width, .height = height
 345     };
 346
 347     pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
 348                                  &color, 1, &rect);
 349 }
 350
 351 /* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
 352 static void vga_bitblt(QemuConsole *con,
 353                        int xs, int ys, int xd, int yd, int w, int h)
 354 {
 355     DisplaySurface *surface = qemu_console_surface(con);
 356
 357     pixman_image_composite(PIXMAN_OP_SRC,
 358                            surface->image, NULL, surface->image,
 359                            xs, ys, 0, 0, xd, yd, w, h);
 360 }
 361
 362 /***********************************************************/
 363 /* basic char display */
 364
 365 #define FONT_HEIGHT 16
 366 #define FONT_WIDTH 8
 367
 368 #include "vgafont.h"
 369
 370 #ifndef CONFIG_CURSES
 371 enum color_names {
 372     COLOR_BLACK   = 0,
 373     COLOR_RED     = 1,
 374     COLOR_GREEN   = 2,
 375     COLOR_YELLOW  = 3,
 376     COLOR_BLUE    = 4,
 377     COLOR_MAGENTA = 5,
 378     COLOR_CYAN    = 6,
 379     COLOR_WHITE   = 7
 380 };
 381 #endif
 382
 383 #define QEMU_RGB(r, g, b)                                               \
 384     { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
 385
 386 static const pixman_color_t color_table_rgb[2][8] = {
 387     {   /* dark */
 388         QEMU_RGB(0x00, 0x00, 0x00),  /* black */
 389         QEMU_RGB(0xaa, 0x00, 0x00),  /* red */
 390         QEMU_RGB(0x00, 0xaa, 0x00),  /* green */
 391         QEMU_RGB(0xaa, 0xaa, 0x00),  /* yellow */
 392         QEMU_RGB(0x00, 0x00, 0xaa),  /* blue */
 393         QEMU_RGB(0xaa, 0x00, 0xaa),  /* magenta */
 394         QEMU_RGB(0x00, 0xaa, 0xaa),  /* cyan */
 395         QEMU_RGB(0xaa, 0xaa, 0xaa),  /* white */
 396     },
 397     {   /* bright */
 398         QEMU_RGB(0x00, 0x00, 0x00),  /* black */
 399         QEMU_RGB(0xff, 0x00, 0x00),  /* red */
 400         QEMU_RGB(0x00, 0xff, 0x00),  /* green */
 401         QEMU_RGB(0xff, 0xff, 0x00),  /* yellow */
 402         QEMU_RGB(0x00, 0x00, 0xff),  /* blue */
 403         QEMU_RGB(0xff, 0x00, 0xff),  /* magenta */
 404         QEMU_RGB(0x00, 0xff, 0xff),  /* cyan */
 405         QEMU_RGB(0xff, 0xff, 0xff),  /* white */
 406     }
 407 };
 408
 409 #ifdef DEBUG_CONSOLE
 410 static void console_print_text_attributes(TextAttributes *t_attrib, char ch)
 411 {
 412     if (t_attrib->bold) {
 413         printf("b");
 414     } else {
 415         printf(" ");
 416     }
 417     if (t_attrib->uline) {
 418         printf("u");
 419     } else {
 420         printf(" ");
 421     }
 422     if (t_attrib->blink) {
 423         printf("l");
 424     } else {
 425         printf(" ");
 426     }
 427     if (t_attrib->invers) {
 428         printf("i");
 429     } else {
 430         printf(" ");
 431     }
 432     if (t_attrib->unvisible) {
 433         printf("n");
 434     } else {
 435         printf(" ");
 436     }
 437
 438     printf(" fg: %d bg: %d ch:'%2X' '%c'\n", t_attrib->fgcol, t_attrib->bgcol, ch, ch);
 439 }
 440 #endif
 441
 442 static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
 443                           TextAttributes *t_attrib)
 444 {
 445     static pixman_image_t *glyphs[256];
 446     DisplaySurface *surface = qemu_console_surface(s);
 447     pixman_color_t fgcol, bgcol;
 448
 449     if (t_attrib->invers) {
 450         bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
 451         fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
 452     } else {
 453         fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
 454         bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
 455     }
 456
 457     if (!glyphs[ch]) {
 458         glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
 459     }
 460     qemu_pixman_glyph_render(glyphs[ch], surface->image,
 461                              &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
 462 }
 463
 464 static void text_console_resize(QemuConsole *s)
 465 {
 466     TextCell *cells, *c, *c1;
 467     int w1, x, y, last_width;
 468
 469     last_width = s->width;
 470     s->width = surface_width(s->surface) / FONT_WIDTH;
 471     s->height = surface_height(s->surface) / FONT_HEIGHT;
 472
 473     w1 = last_width;
 474     if (s->width < w1)
 475         w1 = s->width;
 476
 477     cells = g_malloc(s->width * s->total_height * sizeof(TextCell));
 478     for(y = 0; y < s->total_height; y++) {
 479         c = &cells[y * s->width];
 480         if (w1 > 0) {
 481             c1 = &s->cells[y * last_width];
 482             for(x = 0; x < w1; x++) {
 483                 *c++ = *c1++;
 484             }
 485         }
 486         for(x = w1; x < s->width; x++) {
 487             c->ch = ' ';
 488             c->t_attrib = s->t_attrib_default;
 489             c++;
 490         }
 491     }
 492     g_free(s->cells);
 493     s->cells = cells;
 494 }
 495
 496 static inline void text_update_xy(QemuConsole *s, int x, int y)
 497 {
 498     s->text_x[0] = MIN(s->text_x[0], x);
 499     s->text_x[1] = MAX(s->text_x[1], x);
 500     s->text_y[0] = MIN(s->text_y[0], y);
 501     s->text_y[1] = MAX(s->text_y[1], y);
 502 }
 503
 504 static void invalidate_xy(QemuConsole *s, int x, int y)
 505 {
 506     if (s->update_x0 > x * FONT_WIDTH)
 507         s->update_x0 = x * FONT_WIDTH;
 508     if (s->update_y0 > y * FONT_HEIGHT)
 509         s->update_y0 = y * FONT_HEIGHT;
 510     if (s->update_x1 < (x + 1) * FONT_WIDTH)
 511         s->update_x1 = (x + 1) * FONT_WIDTH;
 512     if (s->update_y1 < (y + 1) * FONT_HEIGHT)
 513         s->update_y1 = (y + 1) * FONT_HEIGHT;
 514 }
 515
 516 static void update_xy(QemuConsole *s, int x, int y)
 517 {
 518     TextCell *c;
 519     int y1, y2;
 520
 521     if (!qemu_console_is_visible(s)) {
 522         return;
 523     }
 524
 525     if (s->ds->have_text) {
 526         text_update_xy(s, x, y);
 527     }
 528
 529     if (s->ds->have_gfx) {
 530         y1 = (s->y_base + y) % s->total_height;
 531         y2 = y1 - s->y_displayed;
 532         if (y2 < 0)
 533             y2 += s->total_height;
 534         if (y2 < s->height) {
 535             c = &s->cells[y1 * s->width + x];
 536             vga_putcharxy(s, x, y2, c->ch,
 537                           &(c->t_attrib));
 538             invalidate_xy(s, x, y2);
 539         }
 540     }
 541 }
 542
 543 static void console_show_cursor(QemuConsole *s, int show)
 544 {
 545     TextCell *c;
 546     int y, y1;
 547     int x = s->x;
 548
 549     if (!qemu_console_is_visible(s)) {
 550         return;
 551     }
 552
 553     if (s->ds->have_text) {
 554         s->cursor_invalidate = 1;
 555     }
 556
 557     if (s->ds->have_gfx) {
 558         if (x >= s->width) {
 559             x = s->width - 1;
 560         }
 561         y1 = (s->y_base + s->y) % s->total_height;
 562         y = y1 - s->y_displayed;
 563         if (y < 0)
 564             y += s->total_height;
 565         if (y < s->height) {
 566             c = &s->cells[y1 * s->width + x];
 567             if (show && s->cursor_visible_phase) {
 568                 TextAttributes t_attrib = s->t_attrib_default;
 569                 t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
 570                 vga_putcharxy(s, x, y, c->ch, &t_attrib);
 571             } else {
 572                 vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
 573             }
 574             invalidate_xy(s, x, y);
 575         }
 576     }
 577 }
 578
 579 static void console_refresh(QemuConsole *s)
 580 {
 581     DisplaySurface *surface = qemu_console_surface(s);
 582     TextCell *c;
 583     int x, y, y1;
 584
 585     if (!qemu_console_is_visible(s)) {
 586         return;
 587     }
 588
 589     if (s->ds->have_text) {
 590         s->text_x[0] = 0;
 591         s->text_y[0] = 0;
 592         s->text_x[1] = s->width - 1;
 593         s->text_y[1] = s->height - 1;
 594         s->cursor_invalidate = 1;
 595     }
 596
 597     if (s->ds->have_gfx) {
 598         vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
 599                       color_table_rgb[0][COLOR_BLACK]);
 600         y1 = s->y_displayed;
 601         for (y = 0; y < s->height; y++) {
 602             c = s->cells + y1 * s->width;
 603             for (x = 0; x < s->width; x++) {
 604                 vga_putcharxy(s, x, y, c->ch,
 605                               &(c->t_attrib));
 606                 c++;
 607             }
 608             if (++y1 == s->total_height) {
 609                 y1 = 0;
 610             }
 611         }
 612         console_show_cursor(s, 1);
 613         dpy_gfx_update(s, 0, 0,
 614                        surface_width(surface), surface_height(surface));
 615     }
 616 }
 617
 618 static void console_scroll(QemuConsole *s, int ydelta)
 619 {
 620     int i, y1;
 621
 622     if (ydelta > 0) {
 623         for(i = 0; i < ydelta; i++) {
 624             if (s->y_displayed == s->y_base)
 625                 break;
 626             if (++s->y_displayed == s->total_height)
 627                 s->y_displayed = 0;
 628         }
 629     } else {
 630         ydelta = -ydelta;
 631         i = s->backscroll_height;
 632         if (i > s->total_height - s->height)
 633             i = s->total_height - s->height;
 634         y1 = s->y_base - i;
 635         if (y1 < 0)
 636             y1 += s->total_height;
 637         for(i = 0; i < ydelta; i++) {
 638             if (s->y_displayed == y1)
 639                 break;
 640             if (--s->y_displayed < 0)
 641                 s->y_displayed = s->total_height - 1;
 642         }
 643     }
 644     console_refresh(s);
 645 }
 646
 647 static void console_put_lf(QemuConsole *s)
 648 {
 649     TextCell *c;
 650     int x, y1;
 651
 652     s->y++;
 653     if (s->y >= s->height) {
 654         s->y = s->height - 1;
 655
 656         if (s->y_displayed == s->y_base) {
 657             if (++s->y_displayed == s->total_height)
 658                 s->y_displayed = 0;
 659         }
 660         if (++s->y_base == s->total_height)
 661             s->y_base = 0;
 662         if (s->backscroll_height < s->total_height)
 663             s->backscroll_height++;
 664         y1 = (s->y_base + s->height - 1) % s->total_height;
 665         c = &s->cells[y1 * s->width];
 666         for(x = 0; x < s->width; x++) {
 667             c->ch = ' ';
 668             c->t_attrib = s->t_attrib_default;
 669             c++;
 670         }
 671         if (qemu_console_is_visible(s) && s->y_displayed == s->y_base) {
 672             if (s->ds->have_text) {
 673                 s->text_x[0] = 0;
 674                 s->text_y[0] = 0;
 675                 s->text_x[1] = s->width - 1;
 676                 s->text_y[1] = s->height - 1;
 677             }
 678
 679             if (s->ds->have_gfx) {
 680                 vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
 681                            s->width * FONT_WIDTH,
 682                            (s->height - 1) * FONT_HEIGHT);
 683                 vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
 684                               s->width * FONT_WIDTH, FONT_HEIGHT,
 685                               color_table_rgb[0][s->t_attrib_default.bgcol]);
 686                 s->update_x0 = 0;
 687                 s->update_y0 = 0;
 688                 s->update_x1 = s->width * FONT_WIDTH;
 689                 s->update_y1 = s->height * FONT_HEIGHT;
 690             }
 691         }
 692     }
 693 }
 694
 695 /* Set console attributes depending on the current escape codes.
 696  * NOTE: I know this code is not very efficient (checking every color for it
 697  * self) but it is more readable and better maintainable.
 698  */
 699 static void console_handle_escape(QemuConsole *s)
 700 {
 701     int i;
 702
 703     for (i=0; i<s->nb_esc_params; i++) {
 704         switch (s->esc_params[i]) {
 705             case 0: /* reset all console attributes to default */
 706                 s->t_attrib = s->t_attrib_default;
 707                 break;
 708             case 1:
 709                 s->t_attrib.bold = 1;
 710                 break;
 711             case 4:
 712                 s->t_attrib.uline = 1;
 713                 break;
 714             case 5:
 715                 s->t_attrib.blink = 1;
 716                 break;
 717             case 7:
 718                 s->t_attrib.invers = 1;
 719                 break;
 720             case 8:
 721                 s->t_attrib.unvisible = 1;
 722                 break;
 723             case 22:
 724                 s->t_attrib.bold = 0;
 725                 break;
 726             case 24:
 727                 s->t_attrib.uline = 0;
 728                 break;
 729             case 25:
 730                 s->t_attrib.blink = 0;
 731                 break;
 732             case 27:
 733                 s->t_attrib.invers = 0;
 734                 break;
 735             case 28:
 736                 s->t_attrib.unvisible = 0;
 737                 break;
 738             /* set foreground color */
 739             case 30:
 740                 s->t_attrib.fgcol=COLOR_BLACK;
 741                 break;
 742             case 31:
 743                 s->t_attrib.fgcol=COLOR_RED;
 744                 break;
 745             case 32:
 746                 s->t_attrib.fgcol=COLOR_GREEN;
 747                 break;
 748             case 33:
 749                 s->t_attrib.fgcol=COLOR_YELLOW;
 750                 break;
 751             case 34:
 752                 s->t_attrib.fgcol=COLOR_BLUE;
 753                 break;
 754             case 35:
 755                 s->t_attrib.fgcol=COLOR_MAGENTA;
 756                 break;
 757             case 36:
 758                 s->t_attrib.fgcol=COLOR_CYAN;
 759                 break;
 760             case 37:
 761                 s->t_attrib.fgcol=COLOR_WHITE;
 762                 break;
 763             /* set background color */
 764             case 40:
 765                 s->t_attrib.bgcol=COLOR_BLACK;
 766                 break;
 767             case 41:
 768                 s->t_attrib.bgcol=COLOR_RED;
 769                 break;
 770             case 42:
 771                 s->t_attrib.bgcol=COLOR_GREEN;
 772                 break;
 773             case 43:
 774                 s->t_attrib.bgcol=COLOR_YELLOW;
 775                 break;
 776             case 44:
 777                 s->t_attrib.bgcol=COLOR_BLUE;
 778                 break;
 779             case 45:
 780                 s->t_attrib.bgcol=COLOR_MAGENTA;
 781                 break;
 782             case 46:
 783                 s->t_attrib.bgcol=COLOR_CYAN;
 784                 break;
 785             case 47:
 786                 s->t_attrib.bgcol=COLOR_WHITE;
 787                 break;
 788         }
 789     }
 790 }
 791
 792 static void console_clear_xy(QemuConsole *s, int x, int y)
 793 {
 794     int y1 = (s->y_base + y) % s->total_height;
 795     TextCell *c = &s->cells[y1 * s->width + x];
 796     c->ch = ' ';
 797     c->t_attrib = s->t_attrib_default;
 798     update_xy(s, x, y);
 799 }
 800
 801 /* set cursor, checking bounds */
 802 static void set_cursor(QemuConsole *s, int x, int y)
 803 {
 804     if (x < 0) {
 805         x = 0;
 806     }
 807     if (y < 0) {
 808         y = 0;
 809     }
 810     if (y >= s->height) {
 811         y = s->height - 1;
 812     }
 813     if (x >= s->width) {
 814         x = s->width - 1;
 815     }
 816
 817     s->x = x;
 818     s->y = y;
 819 }
 820
 821 static void console_putchar(QemuConsole *s, int ch)
 822 {
 823     TextCell *c;
 824     int y1, i;
 825     int x, y;
 826
 827     switch(s->state) {
 828     case TTY_STATE_NORM:
 829         switch(ch) {
 830         case '\r':  /* carriage return */
 831             s->x = 0;
 832             break;
 833         case '\n':  /* newline */
 834             console_put_lf(s);
 835             break;
 836         case '\b':  /* backspace */
 837             if (s->x > 0)
 838                 s->x--;
 839             break;
 840         case '\t':  /* tabspace */
 841             if (s->x + (8 - (s->x % 8)) > s->width) {
 842                 s->x = 0;
 843                 console_put_lf(s);
 844             } else {
 845                 s->x = s->x + (8 - (s->x % 8));
 846             }
 847             break;
 848         case '\a':  /* alert aka. bell */
 849             /* TODO: has to be implemented */
 850             break;
 851         case 14:
 852             /* SI (shift in), character set 0 (ignored) */
 853             break;
 854         case 15:
 855             /* SO (shift out), character set 1 (ignored) */
 856             break;
 857         case 27:    /* esc (introducing an escape sequence) */
 858             s->state = TTY_STATE_ESC;
 859             break;
 860         default:
 861             if (s->x >= s->width) {
 862                 /* line wrap */
 863                 s->x = 0;
 864                 console_put_lf(s);
 865             }
 866             y1 = (s->y_base + s->y) % s->total_height;
 867             c = &s->cells[y1 * s->width + s->x];
 868             c->ch = ch;
 869             c->t_attrib = s->t_attrib;
 870             update_xy(s, s->x, s->y);
 871             s->x++;
 872             break;
 873         }
 874         break;
 875     case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
 876         if (ch == '[') {
 877             for(i=0;i<MAX_ESC_PARAMS;i++)
 878                 s->esc_params[i] = 0;
 879             s->nb_esc_params = 0;
 880             s->state = TTY_STATE_CSI;
 881         } else {
 882             s->state = TTY_STATE_NORM;
 883         }
 884         break;
 885     case TTY_STATE_CSI: /* handle escape sequence parameters */
 886         if (ch >= '0' && ch <= '9') {
 887             if (s->nb_esc_params < MAX_ESC_PARAMS) {
 888                 int *param = &s->esc_params[s->nb_esc_params];
 889                 int digit = (ch - '0');
 890
 891                 *param = (*param <= (INT_MAX - digit) / 10) ?
 892                          *param * 10 + digit : INT_MAX;
 893             }
 894         } else {
 895             if (s->nb_esc_params < MAX_ESC_PARAMS)
 896                 s->nb_esc_params++;
 897             if (ch == ';')
 898                 break;
 899 #ifdef DEBUG_CONSOLE
 900             fprintf(stderr, "escape sequence CSI%d;%d%c, %d parameters\n",
 901                     s->esc_params[0], s->esc_params[1], ch, s->nb_esc_params);
 902 #endif
 903             s->state = TTY_STATE_NORM;
 904             switch(ch) {
 905             case 'A':
 906                 /* move cursor up */
 907                 if (s->esc_params[0] == 0) {
 908                     s->esc_params[0] = 1;
 909                 }
 910                 set_cursor(s, s->x, s->y - s->esc_params[0]);
 911                 break;
 912             case 'B':
 913                 /* move cursor down */
 914                 if (s->esc_params[0] == 0) {
 915                     s->esc_params[0] = 1;
 916                 }
 917                 set_cursor(s, s->x, s->y + s->esc_params[0]);
 918                 break;
 919             case 'C':
 920                 /* move cursor right */
 921                 if (s->esc_params[0] == 0) {
 922                     s->esc_params[0] = 1;
 923                 }
 924                 set_cursor(s, s->x + s->esc_params[0], s->y);
 925                 break;
 926             case 'D':
 927                 /* move cursor left */
 928                 if (s->esc_params[0] == 0) {
 929                     s->esc_params[0] = 1;
 930                 }
 931                 set_cursor(s, s->x - s->esc_params[0], s->y);
 932                 break;
 933             case 'G':
 934                 /* move cursor to column */
 935                 set_cursor(s, s->esc_params[0] - 1, s->y);
 936                 break;
 937             case 'f':
 938             case 'H':
 939                 /* move cursor to row, column */
 940                 set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
 941                 break;
 942             case 'J':
 943                 switch (s->esc_params[0]) {
 944                 case 0:
 945                     /* clear to end of screen */
 946                     for (y = s->y; y < s->height; y++) {
 947                         for (x = 0; x < s->width; x++) {
 948                             if (y == s->y && x < s->x) {
 949                                 continue;
 950                             }
 951                             console_clear_xy(s, x, y);
 952                         }
 953                     }
 954                     break;
 955                 case 1:
 956                     /* clear from beginning of screen */
 957                     for (y = 0; y <= s->y; y++) {
 958                         for (x = 0; x < s->width; x++) {
 959                             if (y == s->y && x > s->x) {
 960                                 break;
 961                             }
 962                             console_clear_xy(s, x, y);
 963                         }
 964                     }
 965                     break;
 966                 case 2:
 967                     /* clear entire screen */
 968                     for (y = 0; y <= s->height; y++) {
 969                         for (x = 0; x < s->width; x++) {
 970                             console_clear_xy(s, x, y);
 971                         }
 972                     }
 973                     break;
 974                 }
 975                 break;
 976             case 'K':
 977                 switch (s->esc_params[0]) {
 978                 case 0:
 979                     /* clear to eol */
 980                     for(x = s->x; x < s->width; x++) {
 981                         console_clear_xy(s, x, s->y);
 982                     }
 983                     break;
 984                 case 1:
 985                     /* clear from beginning of line */
 986                     for (x = 0; x <= s->x; x++) {
 987                         console_clear_xy(s, x, s->y);
 988                     }
 989                     break;
 990                 case 2:
 991                     /* clear entire line */
 992                     for(x = 0; x < s->width; x++) {
 993                         console_clear_xy(s, x, s->y);
 994                     }
 995                     break;
 996                 }
 997                 break;
 998             case 'm':
 999                 console_handle_escape(s);
1000                 break;
1001             case 'n':
1002                 /* report cursor position */
1003                 /* TODO: send ESC[row;colR */
1004                 break;
1005             case 's':
1006                 /* save cursor position */
1007                 s->x_saved = s->x;
1008                 s->y_saved = s->y;
1009                 break;
1010             case 'u':
1011                 /* restore cursor position */
1012                 s->x = s->x_saved;
1013                 s->y = s->y_saved;
1014                 break;
1015             default:
1016 #ifdef DEBUG_CONSOLE
1017                 fprintf(stderr, "unhandled escape character '%c'\n", ch);
1018 #endif
1019                 break;
1020             }
1021             break;
1022         }
1023     }
1024 }
1025
1026 void console_select(unsigned int index)
1027 {
1028     DisplayChangeListener *dcl;
1029     QemuConsole *s;
1030
1031     if (index >= MAX_CONSOLES)
1032         return;
1033
1034     trace_console_select(index);
1035     s = qemu_console_lookup_by_index(index);
1036     if (s) {
1037         DisplayState *ds = s->ds;
1038
1039         if (active_console && active_console->cursor_timer) {
1040             qemu_del_timer(active_console->cursor_timer);
1041         }
1042         active_console = s;
1043         if (ds->have_gfx) {
1044             QLIST_FOREACH(dcl, &ds->listeners, next) {
1045                 if (dcl->con != NULL) {
1046                     continue;
1047                 }
1048                 if (dcl->ops->dpy_gfx_switch) {
1049                     dcl->ops->dpy_gfx_switch(dcl, s->surface);
1050                 }
1051             }
1052             dpy_gfx_update(s, 0, 0, surface_width(s->surface),
1053                            surface_height(s->surface));
1054         }
1055         if (ds->have_text) {
1056             dpy_text_resize(s, s->width, s->height);
1057         }
1058         if (s->cursor_timer) {
1059             qemu_mod_timer(s->cursor_timer,
1060                    qemu_get_clock_ms(rt_clock) + CONSOLE_CURSOR_PERIOD / 2);
1061         }
1062     }
1063 }
1064
1065 static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
1066 {
1067     QemuConsole *s = chr->opaque;
1068     int i;
1069
1070     s->update_x0 = s->width * FONT_WIDTH;
1071     s->update_y0 = s->height * FONT_HEIGHT;
1072     s->update_x1 = 0;
1073     s->update_y1 = 0;
1074     console_show_cursor(s, 0);
1075     for(i = 0; i < len; i++) {
1076         console_putchar(s, buf[i]);
1077     }
1078     console_show_cursor(s, 1);
1079     if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
1080         dpy_gfx_update(s, s->update_x0, s->update_y0,
1081                        s->update_x1 - s->update_x0,
1082                        s->update_y1 - s->update_y0);
1083     }
1084     return len;
1085 }
1086
1087 static void kbd_send_chars(void *opaque)
1088 {
1089     QemuConsole *s = opaque;
1090     int len;
1091     uint8_t buf[16];
1092
1093     len = qemu_chr_be_can_write(s->chr);
1094     if (len > s->out_fifo.count)
1095         len = s->out_fifo.count;
1096     if (len > 0) {
1097         if (len > sizeof(buf))
1098             len = sizeof(buf);
1099         qemu_fifo_read(&s->out_fifo, buf, len);
1100         qemu_chr_be_write(s->chr, buf, len);
1101     }
1102     /* characters are pending: we send them a bit later (XXX:
1103        horrible, should change char device API) */
1104     if (s->out_fifo.count > 0) {
1105         qemu_mod_timer(s->kbd_timer, qemu_get_clock_ms(rt_clock) + 1);
1106     }
1107 }
1108
1109 /* called when an ascii key is pressed */
1110 void kbd_put_keysym(int keysym)
1111 {
1112     QemuConsole *s;
1113     uint8_t buf[16], *q;
1114     int c;
1115
1116     s = active_console;
1117     if (!s || (s->console_type == GRAPHIC_CONSOLE))
1118         return;
1119
1120     switch(keysym) {
1121     case QEMU_KEY_CTRL_UP:
1122         console_scroll(s, -1);
1123         break;
1124     case QEMU_KEY_CTRL_DOWN:
1125         console_scroll(s, 1);
1126         break;
1127     case QEMU_KEY_CTRL_PAGEUP:
1128         console_scroll(s, -10);
1129         break;
1130     case QEMU_KEY_CTRL_PAGEDOWN:
1131         console_scroll(s, 10);
1132         break;
1133     default:
1134         /* convert the QEMU keysym to VT100 key string */
1135         q = buf;
1136         if (keysym >= 0xe100 && keysym <= 0xe11f) {
1137             *q++ = '\033';
1138             *q++ = '[';
1139             c = keysym - 0xe100;
1140             if (c >= 10)
1141                 *q++ = '0' + (c / 10);
1142             *q++ = '0' + (c % 10);
1143             *q++ = '~';
1144         } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
1145             *q++ = '\033';
1146             *q++ = '[';
1147             *q++ = keysym & 0xff;
1148         } else if (s->echo && (keysym == '\r' || keysym == '\n')) {
1149             console_puts(s->chr, (const uint8_t *) "\r", 1);
1150             *q++ = '\n';
1151         } else {
1152             *q++ = keysym;
1153         }
1154         if (s->echo) {
1155             console_puts(s->chr, buf, q - buf);
1156         }
1157         if (s->chr->chr_read) {
1158             qemu_fifo_write(&s->out_fifo, buf, q - buf);
1159             kbd_send_chars(s);
1160         }
1161         break;
1162     }
1163 }
1164
1165 static void text_console_invalidate(void *opaque)
1166 {
1167     QemuConsole *s = (QemuConsole *) opaque;
1168
1169     if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
1170         text_console_resize(s);
1171     }
1172     console_refresh(s);
1173 }
1174
1175 static void text_console_update(void *opaque, console_ch_t *chardata)
1176 {
1177     QemuConsole *s = (QemuConsole *) opaque;
1178     int i, j, src;
1179
1180     if (s->text_x[0] <= s->text_x[1]) {
1181         src = (s->y_base + s->text_y[0]) * s->width;
1182         chardata += s->text_y[0] * s->width;
1183         for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
1184             for (j = 0; j < s->width; j ++, src ++)
1185                 console_write_ch(chardata ++, s->cells[src].ch |
1186                                 (s->cells[src].t_attrib.fgcol << 12) |
1187                                 (s->cells[src].t_attrib.bgcol << 8) |
1188                                 (s->cells[src].t_attrib.bold << 21));
1189         dpy_text_update(s, s->text_x[0], s->text_y[0],
1190                         s->text_x[1] - s->text_x[0], i - s->text_y[0]);
1191         s->text_x[0] = s->width;
1192         s->text_y[0] = s->height;
1193         s->text_x[1] = 0;
1194         s->text_y[1] = 0;
1195     }
1196     if (s->cursor_invalidate) {
1197         dpy_text_cursor(s, s->x, s->y);
1198         s->cursor_invalidate = 0;
1199     }
1200 }
1201
1202 static QemuConsole *new_console(DisplayState *ds, console_type_t console_type)
1203 {
1204     Error *local_err = NULL;
1205     Object *obj;
1206     QemuConsole *s;
1207     int i;
1208
1209     if (nb_consoles >= MAX_CONSOLES)
1210         return NULL;
1211
1212     obj = object_new(TYPE_QEMU_CONSOLE);
1213     s = QEMU_CONSOLE(obj);
1214     object_property_add_link(obj, "device", TYPE_DEVICE,
1215                              (Object **)&s->device, &local_err);
1216
1217     if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
1218         (console_type == GRAPHIC_CONSOLE))) {
1219         active_console = s;
1220     }
1221     s->ds = ds;
1222     s->console_type = console_type;
1223     if (console_type != GRAPHIC_CONSOLE) {
1224         s->index = nb_consoles;
1225         consoles[nb_consoles++] = s;
1226     } else {
1227         /* HACK: Put graphical consoles before text consoles.  */
1228         for (i = nb_consoles; i > 0; i--) {
1229             if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
1230                 break;
1231             consoles[i] = consoles[i - 1];
1232             consoles[i]->index = i;
1233         }
1234         s->index = i;
1235         consoles[i] = s;
1236         nb_consoles++;
1237     }
1238     return s;
1239 }
1240
1241 static void qemu_alloc_display(DisplaySurface *surface, int width, int height,
1242                                int linesize, PixelFormat pf, int newflags)
1243 {
1244     surface->pf = pf;
1245
1246     qemu_pixman_image_unref(surface->image);
1247     surface->image = NULL;
1248
1249     surface->format = qemu_pixman_get_format(&pf);
1250     assert(surface->format != 0);
1251     surface->image = pixman_image_create_bits(surface->format,
1252                                               width, height,
1253                                               NULL, linesize);
1254     assert(surface->image != NULL);
1255
1256     surface->flags = newflags | QEMU_ALLOCATED_FLAG;
1257 #ifdef HOST_WORDS_BIGENDIAN
1258     surface->flags |= QEMU_BIG_ENDIAN_FLAG;
1259 #endif
1260 }
1261
1262 DisplaySurface *qemu_create_displaysurface(int width, int height)
1263 {
1264     DisplaySurface *surface = g_new0(DisplaySurface, 1);
1265     int linesize = width * 4;
1266
1267     trace_displaysurface_create(surface, width, height);
1268     qemu_alloc_display(surface, width, height, linesize,
1269                        qemu_default_pixelformat(32), 0);
1270     return surface;
1271 }
1272
1273 DisplaySurface *qemu_create_displaysurface_from(int width, int height, int bpp,
1274                                                 int linesize, uint8_t *data,
1275                                                 bool byteswap)
1276 {
1277     DisplaySurface *surface = g_new0(DisplaySurface, 1);
1278
1279     trace_displaysurface_create_from(surface, width, height, bpp, byteswap);
1280     if (byteswap) {
1281         surface->pf = qemu_different_endianness_pixelformat(bpp);
1282     } else {
1283         surface->pf = qemu_default_pixelformat(bpp);
1284     }
1285
1286     surface->format = qemu_pixman_get_format(&surface->pf);
1287     assert(surface->format != 0);
1288     surface->image = pixman_image_create_bits(surface->format,
1289                                               width, height,
1290                                               (void *)data, linesize);
1291     assert(surface->image != NULL);
1292
1293 #ifdef HOST_WORDS_BIGENDIAN
1294     surface->flags = QEMU_BIG_ENDIAN_FLAG;
1295 #endif
1296
1297     return surface;
1298 }
1299
1300 void qemu_free_displaysurface(DisplaySurface *surface)
1301 {
1302     if (surface == NULL) {
1303         return;
1304     }
1305     trace_displaysurface_free(surface);
1306     qemu_pixman_image_unref(surface->image);
1307     g_free(surface);
1308 }
1309
1310 void register_displaychangelistener(DisplayState *ds,
1311                                     DisplayChangeListener *dcl)
1312 {
1313     QemuConsole *con;
1314
1315     trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
1316     dcl->ds = ds;
1317     QLIST_INSERT_HEAD(&ds->listeners, dcl, next);
1318     gui_setup_refresh(ds);
1319     if (dcl->con) {
1320         dcl->con->dcls++;
1321         con = dcl->con;
1322     } else {
1323         con = active_console;
1324     }
1325     if (dcl->ops->dpy_gfx_switch && con) {
1326         dcl->ops->dpy_gfx_switch(dcl, con->surface);
1327     }
1328 }
1329
1330 void update_displaychangelistener(DisplayChangeListener *dcl,
1331                                   uint64_t interval)
1332 {
1333     DisplayState *ds = dcl->ds;
1334
1335     dcl->update_interval = interval;
1336     if (!ds->refreshing && ds->update_interval > interval) {
1337         qemu_mod_timer(ds->gui_timer, ds->last_update + interval);
1338     }
1339 }
1340
1341 void unregister_displaychangelistener(DisplayChangeListener *dcl)
1342 {
1343     DisplayState *ds = dcl->ds;
1344     trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
1345     if (dcl->con) {
1346         dcl->con->dcls--;
1347     }
1348     QLIST_REMOVE(dcl, next);
1349     gui_setup_refresh(ds);
1350 }
1351
1352 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
1353 {
1354     DisplayState *s = con->ds;
1355     DisplayChangeListener *dcl;
1356     int width = surface_width(con->surface);
1357     int height = surface_height(con->surface);
1358
1359     x = MAX(x, 0);
1360     y = MAX(y, 0);
1361     x = MIN(x, width);
1362     y = MIN(y, height);
1363     w = MIN(w, width - x);
1364     h = MIN(h, height - y);
1365
1366     if (!qemu_console_is_visible(con)) {
1367         return;
1368     }
1369     QLIST_FOREACH(dcl, &s->listeners, next) {
1370         if (con != (dcl->con ? dcl->con : active_console)) {
1371             continue;
1372         }
1373         if (dcl->ops->dpy_gfx_update) {
1374             dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
1375         }
1376     }
1377 }
1378
1379 void dpy_gfx_replace_surface(QemuConsole *con,
1380                              DisplaySurface *surface)
1381 {
1382     DisplayState *s = con->ds;
1383     DisplaySurface *old_surface = con->surface;
1384     DisplayChangeListener *dcl;
1385
1386     con->surface = surface;
1387     QLIST_FOREACH(dcl, &s->listeners, next) {
1388         if (con != (dcl->con ? dcl->con : active_console)) {
1389             continue;
1390         }
1391         if (dcl->ops->dpy_gfx_switch) {
1392             dcl->ops->dpy_gfx_switch(dcl, surface);
1393         }
1394     }
1395     qemu_free_displaysurface(old_surface);
1396 }
1397
1398 void dpy_refresh(DisplayState *s)
1399 {
1400     DisplayChangeListener *dcl;
1401
1402     QLIST_FOREACH(dcl, &s->listeners, next) {
1403         if (dcl->ops->dpy_refresh) {
1404             dcl->ops->dpy_refresh(dcl);
1405         }
1406     }
1407 }
1408
1409 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
1410                   int dst_x, int dst_y, int w, int h)
1411 {
1412     DisplayState *s = con->ds;
1413     DisplayChangeListener *dcl;
1414
1415     if (!qemu_console_is_visible(con)) {
1416         return;
1417     }
1418     QLIST_FOREACH(dcl, &s->listeners, next) {
1419         if (con != (dcl->con ? dcl->con : active_console)) {
1420             continue;
1421         }
1422         if (dcl->ops->dpy_gfx_copy) {
1423             dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
1424         } else { /* TODO */
1425             dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
1426         }
1427     }
1428 }
1429
1430 void dpy_text_cursor(QemuConsole *con, int x, int y)
1431 {
1432     DisplayState *s = con->ds;
1433     DisplayChangeListener *dcl;
1434
1435     if (!qemu_console_is_visible(con)) {
1436         return;
1437     }
1438     QLIST_FOREACH(dcl, &s->listeners, next) {
1439         if (con != (dcl->con ? dcl->con : active_console)) {
1440             continue;
1441         }
1442         if (dcl->ops->dpy_text_cursor) {
1443             dcl->ops->dpy_text_cursor(dcl, x, y);
1444         }
1445     }
1446 }
1447
1448 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
1449 {
1450     DisplayState *s = con->ds;
1451     DisplayChangeListener *dcl;
1452
1453     if (!qemu_console_is_visible(con)) {
1454         return;
1455     }
1456     QLIST_FOREACH(dcl, &s->listeners, next) {
1457         if (con != (dcl->con ? dcl->con : active_console)) {
1458             continue;
1459         }
1460         if (dcl->ops->dpy_text_update) {
1461             dcl->ops->dpy_text_update(dcl, x, y, w, h);
1462         }
1463     }
1464 }
1465
1466 void dpy_text_resize(QemuConsole *con, int w, int h)
1467 {
1468     DisplayState *s = con->ds;
1469     struct DisplayChangeListener *dcl;
1470
1471     if (!qemu_console_is_visible(con)) {
1472         return;
1473     }
1474     QLIST_FOREACH(dcl, &s->listeners, next) {
1475         if (con != (dcl->con ? dcl->con : active_console)) {
1476             continue;
1477         }
1478         if (dcl->ops->dpy_text_resize) {
1479             dcl->ops->dpy_text_resize(dcl, w, h);
1480         }
1481     }
1482 }
1483
1484 void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
1485 {
1486     DisplayState *s = con->ds;
1487     DisplayChangeListener *dcl;
1488
1489     if (!qemu_console_is_visible(con)) {
1490         return;
1491     }
1492     QLIST_FOREACH(dcl, &s->listeners, next) {
1493         if (con != (dcl->con ? dcl->con : active_console)) {
1494             continue;
1495         }
1496         if (dcl->ops->dpy_mouse_set) {
1497             dcl->ops->dpy_mouse_set(dcl, x, y, on);
1498         }
1499     }
1500 }
1501
1502 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
1503 {
1504     DisplayState *s = con->ds;
1505     DisplayChangeListener *dcl;
1506
1507     if (!qemu_console_is_visible(con)) {
1508         return;
1509     }
1510     QLIST_FOREACH(dcl, &s->listeners, next) {
1511         if (con != (dcl->con ? dcl->con : active_console)) {
1512             continue;
1513         }
1514         if (dcl->ops->dpy_cursor_define) {
1515             dcl->ops->dpy_cursor_define(dcl, cursor);
1516         }
1517     }
1518 }
1519
1520 bool dpy_cursor_define_supported(QemuConsole *con)
1521 {
1522     DisplayState *s = con->ds;
1523     DisplayChangeListener *dcl;
1524
1525     QLIST_FOREACH(dcl, &s->listeners, next) {
1526         if (dcl->ops->dpy_cursor_define) {
1527             return true;
1528         }
1529     }
1530     return false;
1531 }
1532
1533 /***********************************************************/
1534 /* register display */
1535
1536 /* console.c internal use only */
1537 static DisplayState *get_alloc_displaystate(void)
1538 {
1539     if (!display_state) {
1540         display_state = g_new0(DisplayState, 1);
1541     }
1542     return display_state;
1543 }
1544
1545 /*
1546  * Called by main(), after creating QemuConsoles
1547  * and before initializing ui (sdl/vnc/...).
1548  */
1549 DisplayState *init_displaystate(void)
1550 {
1551     int i;
1552
1553     if (!display_state) {
1554         display_state = g_new0(DisplayState, 1);
1555     }
1556
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);
1561         }
1562     }
1563
1564     return display_state;
1565 }
1566
1567 QemuConsole *graphic_console_init(DeviceState *dev,
1568                                   const GraphicHwOps *hw_ops,
1569                                   void *opaque)
1570 {
1571     Error *local_err = NULL;
1572     int width = 640;
1573     int height = 480;
1574     QemuConsole *s;
1575     DisplayState *ds;
1576
1577     ds = get_alloc_displaystate();
1578     trace_console_gfx_new();
1579     s = new_console(ds, GRAPHIC_CONSOLE);
1580     s->hw_ops = hw_ops;
1581     s->hw = opaque;
1582     if (dev) {
1583         object_property_set_link(OBJECT(s), OBJECT(dev),
1584                                  "device", &local_err);
1585     }
1586
1587     s->surface = qemu_create_displaysurface(width, height);
1588     return s;
1589 }
1590
1591 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
1592 {
1593     if (index >= MAX_CONSOLES) {
1594         return NULL;
1595     }
1596     return consoles[index];
1597 }
1598
1599 bool qemu_console_is_visible(QemuConsole *con)
1600 {
1601     return (con == active_console) || (con->dcls > 0);
1602 }
1603
1604 bool qemu_console_is_graphic(QemuConsole *con)
1605 {
1606     if (con == NULL) {
1607         con = active_console;
1608     }
1609     return con && (con->console_type == GRAPHIC_CONSOLE);
1610 }
1611
1612 bool qemu_console_is_fixedsize(QemuConsole *con)
1613 {
1614     if (con == NULL) {
1615         con = active_console;
1616     }
1617     return con && (con->console_type != TEXT_CONSOLE);
1618 }
1619
1620 static void text_console_set_echo(CharDriverState *chr, bool echo)
1621 {
1622     QemuConsole *s = chr->opaque;
1623
1624     s->echo = echo;
1625 }
1626
1627 static void text_console_update_cursor(void *opaque)
1628 {
1629     QemuConsole *s = opaque;
1630
1631     s->cursor_visible_phase = !s->cursor_visible_phase;
1632     graphic_hw_invalidate(s);
1633     qemu_mod_timer(s->cursor_timer,
1634                    qemu_get_clock_ms(rt_clock) + CONSOLE_CURSOR_PERIOD / 2);
1635 }
1636
1637 static const GraphicHwOps text_console_ops = {
1638     .invalidate  = text_console_invalidate,
1639     .text_update = text_console_update,
1640 };
1641
1642 static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
1643 {
1644     QemuConsole *s;
1645     int g_width = 80 * FONT_WIDTH;
1646     int g_height = 24 * FONT_HEIGHT;
1647
1648     s = chr->opaque;
1649
1650     chr->chr_write = console_puts;
1651
1652     s->out_fifo.buf = s->out_fifo_buf;
1653     s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
1654     s->kbd_timer = qemu_new_timer_ms(rt_clock, kbd_send_chars, s);
1655     s->ds = ds;
1656
1657     s->y_displayed = 0;
1658     s->y_base = 0;
1659     s->total_height = DEFAULT_BACKSCROLL;
1660     s->x = 0;
1661     s->y = 0;
1662     if (!s->surface) {
1663         if (active_console && active_console->surface) {
1664             g_width = surface_width(active_console->surface);
1665             g_height = surface_height(active_console->surface);
1666         }
1667         s->surface = qemu_create_displaysurface(g_width, g_height);
1668     }
1669
1670     s->cursor_timer =
1671         qemu_new_timer_ms(rt_clock, text_console_update_cursor, s);
1672
1673     s->hw_ops = &text_console_ops;
1674     s->hw = s;
1675
1676     /* Set text attribute defaults */
1677     s->t_attrib_default.bold = 0;
1678     s->t_attrib_default.uline = 0;
1679     s->t_attrib_default.blink = 0;
1680     s->t_attrib_default.invers = 0;
1681     s->t_attrib_default.unvisible = 0;
1682     s->t_attrib_default.fgcol = COLOR_WHITE;
1683     s->t_attrib_default.bgcol = COLOR_BLACK;
1684     /* set current text attributes to default */
1685     s->t_attrib = s->t_attrib_default;
1686     text_console_resize(s);
1687
1688     if (chr->label) {
1689         char msg[128];
1690         int len;
1691
1692         s->t_attrib.bgcol = COLOR_BLUE;
1693         len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
1694         console_puts(chr, (uint8_t*)msg, len);
1695         s->t_attrib = s->t_attrib_default;
1696     }
1697
1698     qemu_chr_be_generic_open(chr);
1699     if (chr->init)
1700         chr->init(chr);
1701 }
1702
1703 static CharDriverState *text_console_init(ChardevVC *vc)
1704 {
1705     CharDriverState *chr;
1706     QemuConsole *s;
1707     unsigned width = 0;
1708     unsigned height = 0;
1709
1710     chr = g_malloc0(sizeof(CharDriverState));
1711
1712     if (vc->has_width) {
1713         width = vc->width;
1714     } else if (vc->has_cols) {
1715         width = vc->cols * FONT_WIDTH;
1716     }
1717
1718     if (vc->has_height) {
1719         height = vc->height;
1720     } else if (vc->has_rows) {
1721         height = vc->rows * FONT_HEIGHT;
1722     }
1723
1724     trace_console_txt_new(width, height);
1725     if (width == 0 || height == 0) {
1726         s = new_console(NULL, TEXT_CONSOLE);
1727     } else {
1728         s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE);
1729         s->surface = qemu_create_displaysurface(width, height);
1730     }
1731
1732     if (!s) {
1733         g_free(chr);
1734         return NULL;
1735     }
1736
1737     s->chr = chr;
1738     chr->opaque = s;
1739     chr->chr_set_echo = text_console_set_echo;
1740
1741     if (display_state) {
1742         text_console_do_init(chr, display_state);
1743     }
1744     return chr;
1745 }
1746
1747 static VcHandler *vc_handler = text_console_init;
1748
1749 CharDriverState *vc_init(ChardevVC *vc)
1750 {
1751     return vc_handler(vc);
1752 }
1753
1754 void register_vc_handler(VcHandler *handler)
1755 {
1756     vc_handler = handler;
1757 }
1758
1759 void qemu_console_resize(QemuConsole *s, int width, int height)
1760 {
1761     DisplaySurface *surface;
1762
1763     assert(s->console_type == GRAPHIC_CONSOLE);
1764     surface = qemu_create_displaysurface(width, height);
1765     dpy_gfx_replace_surface(s, surface);
1766 }
1767
1768 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
1769                        int dst_x, int dst_y, int w, int h)
1770 {
1771     assert(con->console_type == GRAPHIC_CONSOLE);
1772     dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
1773 }
1774
1775 DisplaySurface *qemu_console_surface(QemuConsole *console)
1776 {
1777     return console->surface;
1778 }
1779
1780 DisplayState *qemu_console_displaystate(QemuConsole *console)
1781 {
1782     return console->ds;
1783 }
1784
1785 PixelFormat qemu_different_endianness_pixelformat(int bpp)
1786 {
1787     PixelFormat pf;
1788
1789     memset(&pf, 0x00, sizeof(PixelFormat));
1790
1791     pf.bits_per_pixel = bpp;
1792     pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1793     pf.depth = bpp == 32 ? 24 : bpp;
1794
1795     switch (bpp) {
1796         case 24:
1797             pf.rmask = 0x000000FF;
1798             pf.gmask = 0x0000FF00;
1799             pf.bmask = 0x00FF0000;
1800             pf.rmax = 255;
1801             pf.gmax = 255;
1802             pf.bmax = 255;
1803             pf.rshift = 0;
1804             pf.gshift = 8;
1805             pf.bshift = 16;
1806             pf.rbits = 8;
1807             pf.gbits = 8;
1808             pf.bbits = 8;
1809             break;
1810         case 32:
1811             pf.rmask = 0x0000FF00;
1812             pf.gmask = 0x00FF0000;
1813             pf.bmask = 0xFF000000;
1814             pf.amask = 0x00000000;
1815             pf.amax = 255;
1816             pf.rmax = 255;
1817             pf.gmax = 255;
1818             pf.bmax = 255;
1819             pf.ashift = 0;
1820             pf.rshift = 8;
1821             pf.gshift = 16;
1822             pf.bshift = 24;
1823             pf.rbits = 8;
1824             pf.gbits = 8;
1825             pf.bbits = 8;
1826             pf.abits = 8;
1827             break;
1828         default:
1829             break;
1830     }
1831     return pf;
1832 }
1833
1834 PixelFormat qemu_default_pixelformat(int bpp)
1835 {
1836     PixelFormat pf;
1837
1838     memset(&pf, 0x00, sizeof(PixelFormat));
1839
1840     pf.bits_per_pixel = bpp;
1841     pf.bytes_per_pixel = DIV_ROUND_UP(bpp, 8);
1842     pf.depth = bpp == 32 ? 24 : bpp;
1843
1844     switch (bpp) {
1845         case 15:
1846             pf.bits_per_pixel = 16;
1847             pf.rmask = 0x00007c00;
1848             pf.gmask = 0x000003E0;
1849             pf.bmask = 0x0000001F;
1850             pf.rmax = 31;
1851             pf.gmax = 31;
1852             pf.bmax = 31;
1853             pf.rshift = 10;
1854             pf.gshift = 5;
1855             pf.bshift = 0;
1856             pf.rbits = 5;
1857             pf.gbits = 5;
1858             pf.bbits = 5;
1859             break;
1860         case 16:
1861             pf.rmask = 0x0000F800;
1862             pf.gmask = 0x000007E0;
1863             pf.bmask = 0x0000001F;
1864             pf.rmax = 31;
1865             pf.gmax = 63;
1866             pf.bmax = 31;
1867             pf.rshift = 11;
1868             pf.gshift = 5;
1869             pf.bshift = 0;
1870             pf.rbits = 5;
1871             pf.gbits = 6;
1872             pf.bbits = 5;
1873             break;
1874         case 24:
1875             pf.rmask = 0x00FF0000;
1876             pf.gmask = 0x0000FF00;
1877             pf.bmask = 0x000000FF;
1878             pf.rmax = 255;
1879             pf.gmax = 255;
1880             pf.bmax = 255;
1881             pf.rshift = 16;
1882             pf.gshift = 8;
1883             pf.bshift = 0;
1884             pf.rbits = 8;
1885             pf.gbits = 8;
1886             pf.bbits = 8;
1887             break;
1888         case 32:
1889             pf.rmask = 0x00FF0000;
1890             pf.gmask = 0x0000FF00;
1891             pf.bmask = 0x000000FF;
1892             pf.rmax = 255;
1893             pf.gmax = 255;
1894             pf.bmax = 255;
1895             pf.rshift = 16;
1896             pf.gshift = 8;
1897             pf.bshift = 0;
1898             pf.rbits = 8;
1899             pf.gbits = 8;
1900             pf.bbits = 8;
1901             break;
1902         default:
1903             break;
1904     }
1905     return pf;
1906 }
1907
1908 static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
1909                               Error **errp)
1910 {
1911     int val;
1912
1913     backend->vc = g_new0(ChardevVC, 1);
1914
1915     val = qemu_opt_get_number(opts, "width", 0);
1916     if (val != 0) {
1917         backend->vc->has_width = true;
1918         backend->vc->width = val;
1919     }
1920
1921     val = qemu_opt_get_number(opts, "height", 0);
1922     if (val != 0) {
1923         backend->vc->has_height = true;
1924         backend->vc->height = val;
1925     }
1926
1927     val = qemu_opt_get_number(opts, "cols", 0);
1928     if (val != 0) {
1929         backend->vc->has_cols = true;
1930         backend->vc->cols = val;
1931     }
1932
1933     val = qemu_opt_get_number(opts, "rows", 0);
1934     if (val != 0) {
1935         backend->vc->has_rows = true;
1936         backend->vc->rows = val;
1937     }
1938 }
1939
1940 static const TypeInfo qemu_console_info = {
1941     .name = TYPE_QEMU_CONSOLE,
1942     .parent = TYPE_OBJECT,
1943     .instance_size = sizeof(QemuConsole),
1944     .class_size = sizeof(QemuConsoleClass),
1945 };
1946
1947
1948 static void register_types(void)
1949 {
1950     type_register_static(&qemu_console_info);
1951     register_char_driver_qapi("vc", CHARDEV_BACKEND_KIND_VC,
1952                               qemu_chr_parse_vc);
1953 }
1954
1955 type_init(register_types);